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| author | Mark Brown <broonie@kernel.org> | 2015-09-04 19:16:39 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-09-04 19:16:39 +0300 |
| commit | 04782ca20a8ebb5acf0c35756a38964ae5ea7321 (patch) | |
| tree | ebf475793bb17444d3a1e21974617f27e8ff3a4b | |
| parent | d5b98eb12420ce856caaf57dc5256eedc56a3747 (diff) | |
| parent | 17649c90ff4c5246bb4babf6260029968a6d119d (diff) | |
| download | linux-04782ca20a8ebb5acf0c35756a38964ae5ea7321.tar.xz | |
Merge branch 'topic/smbus-block' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap into regmap-core
1574 files changed, 20093 insertions, 11306 deletions
diff --git a/.get_maintainer.ignore b/.get_maintainer.ignore new file mode 100644 index 000000000000..cca6d870f7a5 --- /dev/null +++ b/.get_maintainer.ignore @@ -0,0 +1 @@ +Christoph Hellwig <hch@lst.de> @@ -17,6 +17,7 @@ Aleksey Gorelov <aleksey_gorelov@phoenix.com> Al Viro <viro@ftp.linux.org.uk> Al Viro <viro@zenIV.linux.org.uk> Andreas Herrmann <aherrman@de.ibm.com> +Andrey Ryabinin <ryabinin.a.a@gmail.com> <a.ryabinin@samsung.com> Andrew Morton <akpm@linux-foundation.org> Andrew Vasquez <andrew.vasquez@qlogic.com> Andy Adamson <andros@citi.umich.edu> @@ -116,6 +117,7 @@ Shiraz Hashim <shiraz.linux.kernel@gmail.com> <shiraz.hashim@st.com> Simon Kelley <simon@thekelleys.org.uk> Stéphane Witzmann <stephane.witzmann@ubpmes.univ-bpclermont.fr> Stephen Hemminger <shemminger@osdl.org> +Sudeep Holla <sudeep.holla@arm.com> Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com> Sumit Semwal <sumit.semwal@ti.com> Tejun Heo <htejun@gmail.com> Thomas Graf <tgraf@suug.ch> @@ -125,7 +127,9 @@ Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Uwe Kleine-König <ukl@pengutronix.de> Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> Valdis Kletnieks <Valdis.Kletnieks@vt.edu> -Viresh Kumar <viresh.linux@gmail.com> <viresh.kumar@st.com> +Viresh Kumar <vireshk@kernel.org> <viresh.kumar@st.com> +Viresh Kumar <vireshk@kernel.org> <viresh.linux@gmail.com> +Viresh Kumar <vireshk@kernel.org> <viresh.kumar2@arm.com> Takashi YOSHII <takashi.yoshii.zj@renesas.com> Yusuke Goda <goda.yusuke@renesas.com> Gustavo Padovan <gustavo@las.ic.unicamp.br> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index bbed111c31b4..70c9b1ac66db 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -1234,10 +1234,8 @@ Description: object is near the sensor, usually be observing reflectivity of infrared or ultrasound emitted. Often these sensors are unit less and as such conversion - to SI units is not possible. Where it is, the units should - be meters. If such a conversion is not possible, the reported - values should behave in the same way as a distance, i.e. lower - values indicate something is closer to the sensor. + to SI units is not possible. Higher proximity measurements + indicate closer objects, and vice versa. What: /sys/.../iio:deviceX/in_illuminance_input What: /sys/.../iio:deviceX/in_illuminance_raw diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl index c0312cbd023d..2fb9a5457522 100644 --- a/Documentation/DocBook/drm.tmpl +++ b/Documentation/DocBook/drm.tmpl @@ -3383,7 +3383,7 @@ void intel_crt_init(struct drm_device *dev) <td valign="top" >TBD</td> </tr> <tr> - <td rowspan="2" valign="top" >omap</td> + <td valign="top" >omap</td> <td valign="top" >Generic</td> <td valign="top" >“zorder”</td> <td valign="top" >RANGE</td> diff --git a/Documentation/arm/SPEAr/overview.txt b/Documentation/arm/SPEAr/overview.txt index 65610bf52ebf..1b049be6c84f 100644 --- a/Documentation/arm/SPEAr/overview.txt +++ b/Documentation/arm/SPEAr/overview.txt @@ -60,4 +60,4 @@ Introduction Document Author --------------- - Viresh Kumar <viresh.linux@gmail.com>, (c) 2010-2012 ST Microelectronics + Viresh Kumar <vireshk@kernel.org>, (c) 2010-2012 ST Microelectronics diff --git a/Documentation/arm/sunxi/README b/Documentation/arm/sunxi/README index 1fe2d7fd4108..5e38e1582f95 100644 --- a/Documentation/arm/sunxi/README +++ b/Documentation/arm/sunxi/README @@ -36,7 +36,7 @@ SunXi family + User Manual http://dl.linux-sunxi.org/A20/A20%20User%20Manual%202013-03-22.pdf - - Allwinner A23 + - Allwinner A23 (sun8i) + Datasheet http://dl.linux-sunxi.org/A23/A23%20Datasheet%20V1.0%2020130830.pdf + User Manual @@ -55,7 +55,23 @@ SunXi family + User Manual http://dl.linux-sunxi.org/A31/A3x_release_document/A31s/IC/A31s%20User%20Manual%20%20V1.0%2020130322.pdf + - Allwinner A33 (sun8i) + + Datasheet + http://dl.linux-sunxi.org/A33/A33%20Datasheet%20release%201.1.pdf + + User Manual + http://dl.linux-sunxi.org/A33/A33%20user%20manual%20release%201.1.pdf + + - Allwinner H3 (sun8i) + + Datasheet + http://dl.linux-sunxi.org/H3/Allwinner_H3_Datasheet_V1.0.pdf + * Quad ARM Cortex-A15, Quad ARM Cortex-A7 based SoCs - Allwinner A80 + Datasheet http://dl.linux-sunxi.org/A80/A80_Datasheet_Revision_1.0_0404.pdf + + * Octa ARM Cortex-A7 based SoCs + - Allwinner A83T + + Not Supported + + Datasheet + http://dl.linux-sunxi.org/A83T/A83T_datasheet_Revision_1.1.pdf diff --git a/Documentation/device-mapper/cache.txt b/Documentation/device-mapper/cache.txt index 82960cffbad3..785eab87aa71 100644 --- a/Documentation/device-mapper/cache.txt +++ b/Documentation/device-mapper/cache.txt @@ -258,6 +258,12 @@ cache metadata mode : ro if read-only, rw if read-write no further I/O will be permitted and the status will just contain the string 'Fail'. The userspace recovery tools should then be used. +needs_check : 'needs_check' if set, '-' if not set + A metadata operation has failed, resulting in the needs_check + flag being set in the metadata's superblock. The metadata + device must be deactivated and checked/repaired before the + cache can be made fully operational again. '-' indicates + needs_check is not set. Messages -------- diff --git a/Documentation/device-mapper/thin-provisioning.txt b/Documentation/device-mapper/thin-provisioning.txt index 4f67578b2954..1699a55b7b70 100644 --- a/Documentation/device-mapper/thin-provisioning.txt +++ b/Documentation/device-mapper/thin-provisioning.txt @@ -296,7 +296,7 @@ ii) Status underlying device. When this is enabled when loading the table, it can get disabled if the underlying device doesn't support it. - ro|rw + ro|rw|out_of_data_space If the pool encounters certain types of device failures it will drop into a read-only metadata mode in which no changes to the pool metadata (like allocating new blocks) are permitted. @@ -314,6 +314,13 @@ ii) Status module parameter can be used to change this timeout -- it defaults to 60 seconds but may be disabled using a value of 0. + needs_check + A metadata operation has failed, resulting in the needs_check + flag being set in the metadata's superblock. The metadata + device must be deactivated and checked/repaired before the + thin-pool can be made fully operational again. '-' indicates + needs_check is not set. + iii) Messages create_thin <dev id> diff --git a/Documentation/devicetree/bindings/arm/cpus.txt b/Documentation/devicetree/bindings/arm/cpus.txt index d6b794cef0b8..91e6e5c478d0 100644 --- a/Documentation/devicetree/bindings/arm/cpus.txt +++ b/Documentation/devicetree/bindings/arm/cpus.txt @@ -199,6 +199,7 @@ nodes to be present and contain the properties described below. "qcom,kpss-acc-v1" "qcom,kpss-acc-v2" "rockchip,rk3066-smp" + "ste,dbx500-smp" - cpu-release-addr Usage: required for systems that have an "enable-method" diff --git a/Documentation/devicetree/bindings/arm/sunxi.txt b/Documentation/devicetree/bindings/arm/sunxi.txt index 42941fdefb11..67da20539540 100644 --- a/Documentation/devicetree/bindings/arm/sunxi.txt +++ b/Documentation/devicetree/bindings/arm/sunxi.txt @@ -9,4 +9,6 @@ using one of the following compatible strings: allwinner,sun6i-a31 allwinner,sun7i-a20 allwinner,sun8i-a23 + allwinner,sun8i-a33 + allwinner,sun8i-h3 allwinner,sun9i-a80 diff --git a/Documentation/devicetree/bindings/dma/apm-xgene-dma.txt b/Documentation/devicetree/bindings/dma/apm-xgene-dma.txt index d3058768b23d..c53e0b08032f 100644 --- a/Documentation/devicetree/bindings/dma/apm-xgene-dma.txt +++ b/Documentation/devicetree/bindings/dma/apm-xgene-dma.txt @@ -35,7 +35,7 @@ Example: device_type = "dma"; reg = <0x0 0x1f270000 0x0 0x10000>, <0x0 0x1f200000 0x0 0x10000>, - <0x0 0x1b008000 0x0 0x2000>, + <0x0 0x1b000000 0x0 0x400000>, <0x0 0x1054a000 0x0 0x100>; interrupts = <0x0 0x82 0x4>, <0x0 0xb8 0x4>, diff --git a/Documentation/devicetree/bindings/drm/imx/fsl-imx-drm.txt b/Documentation/devicetree/bindings/drm/imx/fsl-imx-drm.txt index e75f0e549fff..971c3eedb1c7 100644 --- a/Documentation/devicetree/bindings/drm/imx/fsl-imx-drm.txt +++ b/Documentation/devicetree/bindings/drm/imx/fsl-imx-drm.txt @@ -65,8 +65,10 @@ Optional properties: - edid: verbatim EDID data block describing attached display. - ddc: phandle describing the i2c bus handling the display data channel -- port: A port node with endpoint definitions as defined in +- port@[0-1]: Port nodes with endpoint definitions as defined in Documentation/devicetree/bindings/media/video-interfaces.txt. + Port 0 is the input port connected to the IPU display interface, + port 1 is the output port connected to a panel. example: @@ -75,9 +77,29 @@ display@di0 { edid = [edid-data]; interface-pix-fmt = "rgb24"; - port { + port@0 { + reg = <0>; + display_in: endpoint { remote-endpoint = <&ipu_di0_disp0>; }; }; + + port@1 { + reg = <1>; + + display_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; +}; + +panel { + ... + + port { + panel_in: endpoint { + remote-endpoint = <&display_out>; + }; + }; }; diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt b/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt index c03eec116872..3443e0f838df 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt +++ b/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt @@ -35,3 +35,6 @@ the PCIe specification. NOTE: this only applies to the SMMU itself, not masters connected upstream of the SMMU. + +- hisilicon,broken-prefetch-cmd + : Avoid sending CMD_PREFETCH_* commands to the SMMU. diff --git a/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt b/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt index 938f8e1ba205..0db60470ebb6 100644 --- a/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt +++ b/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt @@ -8,6 +8,7 @@ of the EMIF IP and memory parts attached to it. Required properties: - compatible : Should be of the form "ti,emif-<ip-rev>" where <ip-rev> is the IP revision of the specific EMIF instance. + For am437x should be ti,emif-am4372. - phy-type : <u32> indicating the DDR phy type. Following are the allowed values diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt index 5d0376b8f202..211e7785f4d2 100644 --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt @@ -17,7 +17,6 @@ Required properties: "fsl,imx6sx-usdhc" Optional properties: -- fsl,cd-controller : Indicate to use controller internal card detection - fsl,wp-controller : Indicate to use controller internal write protection - fsl,delay-line : Specify the number of delay cells for override mode. This is used to set the clock delay for DLL(Delay Line) on override mode @@ -35,7 +34,6 @@ esdhc@70004000 { compatible = "fsl,imx51-esdhc"; reg = <0x70004000 0x4000>; interrupts = <1>; - fsl,cd-controller; fsl,wp-controller; }; diff --git a/Documentation/devicetree/bindings/phy/ti-phy.txt b/Documentation/devicetree/bindings/phy/ti-phy.txt index 305e3df3d9b1..9cf9446eaf2e 100644 --- a/Documentation/devicetree/bindings/phy/ti-phy.txt +++ b/Documentation/devicetree/bindings/phy/ti-phy.txt @@ -82,6 +82,9 @@ Optional properties: - id: If there are multiple instance of the same type, in order to differentiate between each instance "id" can be used (e.g., multi-lane PCIe PHY). If "id" is not provided, it is set to default value of '1'. + - syscon-pllreset: Handle to system control region that contains the + CTRL_CORE_SMA_SW_0 register and register offset to the CTRL_CORE_SMA_SW_0 + register that contains the SATA_PLL_SOFT_RESET bit. Only valid for sata_phy. This is usually a subnode of ocp2scp to which it is connected. @@ -100,3 +103,16 @@ usb3phy@4a084400 { "sysclk", "refclk"; }; + +sata_phy: phy@4A096000 { + compatible = "ti,phy-pipe3-sata"; + reg = <0x4A096000 0x80>, /* phy_rx */ + <0x4A096400 0x64>, /* phy_tx */ + <0x4A096800 0x40>; /* pll_ctrl */ + reg-names = "phy_rx", "phy_tx", "pll_ctrl"; + ctrl-module = <&omap_control_sata>; + clocks = <&sys_clkin1>, <&sata_ref_clk>; + clock-names = "sysclk", "refclk"; + syscon-pllreset = <&scm_conf 0x3fc>; + #phy-cells = <0>; +}; diff --git a/Documentation/devicetree/bindings/sound/mt8173-max98090.txt b/Documentation/devicetree/bindings/sound/mt8173-max98090.txt index 829bd26d17f8..519e97c8f1b8 100644 --- a/Documentation/devicetree/bindings/sound/mt8173-max98090.txt +++ b/Documentation/devicetree/bindings/sound/mt8173-max98090.txt @@ -3,11 +3,13 @@ MT8173 with MAX98090 CODEC Required properties: - compatible : "mediatek,mt8173-max98090" - mediatek,audio-codec: the phandle of the MAX98090 audio codec +- mediatek,platform: the phandle of MT8173 ASoC platform Example: sound { compatible = "mediatek,mt8173-max98090"; mediatek,audio-codec = <&max98090>; + mediatek,platform = <&afe>; }; diff --git a/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt b/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt index 61e98c976bd4..f205ce9e31dd 100644 --- a/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt +++ b/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt @@ -3,11 +3,13 @@ MT8173 with RT5650 RT5676 CODECS Required properties: - compatible : "mediatek,mt8173-rt5650-rt5676" - mediatek,audio-codec: the phandles of rt5650 and rt5676 codecs +- mediatek,platform: the phandle of MT8173 ASoC platform Example: sound { compatible = "mediatek,mt8173-rt5650-rt5676"; mediatek,audio-codec = <&rt5650 &rt5676>; + mediatek,platform = <&afe>; }; diff --git a/Documentation/devicetree/bindings/spi/spi-ath79.txt b/Documentation/devicetree/bindings/spi/spi-ath79.txt index f1ad9c367532..9c696fa66f81 100644 --- a/Documentation/devicetree/bindings/spi/spi-ath79.txt +++ b/Documentation/devicetree/bindings/spi/spi-ath79.txt @@ -3,7 +3,7 @@ Binding for Qualcomm Atheros AR7xxx/AR9xxx SPI controller Required properties: - compatible: has to be "qca,<soc-type>-spi", "qca,ar7100-spi" as fallback. - reg: Base address and size of the controllers memory area -- clocks: phandle to the AHB clock. +- clocks: phandle of the AHB clock. - clock-names: has to be "ahb". - #address-cells: <1>, as required by generic SPI binding. - #size-cells: <0>, also as required by generic SPI binding. @@ -12,9 +12,9 @@ Child nodes as per the generic SPI binding. Example: - spi@1F000000 { + spi@1f000000 { compatible = "qca,ar9132-spi", "qca,ar7100-spi"; - reg = <0x1F000000 0x10>; + reg = <0x1f000000 0x10>; clocks = <&pll 2>; clock-names = "ahb"; diff --git a/Documentation/hwmon/nct7904 b/Documentation/hwmon/nct7904 index 014f112e2a14..57fffe33ebfc 100644 --- a/Documentation/hwmon/nct7904 +++ b/Documentation/hwmon/nct7904 @@ -35,11 +35,11 @@ temp1_input Local temperature (1/1000 degree, temp[2-9]_input CPU temperatures (1/1000 degree, 0.125 degree resolution) -fan[1-4]_mode R/W, 0/1 for manual or SmartFan mode +pwm[1-4]_enable R/W, 1/2 for manual or SmartFan mode Setting SmartFan mode is supported only if it has been previously configured by BIOS (or configuration EEPROM) -fan[1-4]_pwm R/O in SmartFan mode, R/W in manual control mode +pwm[1-4] R/O in SmartFan mode, R/W in manual control mode The driver checks sensor control registers and does not export the sensors that are not enabled. Anyway, a sensor that is enabled may actually be not diff --git a/Documentation/input/alps.txt b/Documentation/input/alps.txt index c86f2f1ae4f6..1fec1135791d 100644 --- a/Documentation/input/alps.txt +++ b/Documentation/input/alps.txt @@ -119,8 +119,10 @@ ALPS Absolute Mode - Protocol Version 2 byte 5: 0 z6 z5 z4 z3 z2 z1 z0 Protocol Version 2 DualPoint devices send standard PS/2 mouse packets for -the DualPoint Stick. For non interleaved dualpoint devices the pointingstick -buttons get reported separately in the PSM, PSR and PSL bits. +the DualPoint Stick. The M, R and L bits signal the combined status of both +the pointingstick and touchpad buttons, except for Dell dualpoint devices +where the pointingstick buttons get reported separately in the PSM, PSR +and PSL bits. Dualpoint device -- interleaved packet format --------------------------------------------- diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index e63b446d973c..13f888a02a3d 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -952,6 +952,14 @@ When kbuild executes, the following steps are followed (roughly): $(KBUILD_ARFLAGS) set by the top level Makefile to "D" (deterministic mode) if this option is supported by $(AR). + ARCH_CPPFLAGS, ARCH_AFLAGS, ARCH_CFLAGS Overrides the kbuild defaults + + These variables are appended to the KBUILD_CPPFLAGS, + KBUILD_AFLAGS, and KBUILD_CFLAGS, respectively, after the + top-level Makefile has set any other flags. This provides a + means for an architecture to override the defaults. + + --- 6.2 Add prerequisites to archheaders: The archheaders: rule is used to generate header files that diff --git a/Documentation/power/swsusp.txt b/Documentation/power/swsusp.txt index f732a8321e8a..8cc17ca71813 100644 --- a/Documentation/power/swsusp.txt +++ b/Documentation/power/swsusp.txt @@ -410,8 +410,17 @@ Documentation/usb/persist.txt. Q: Can I suspend-to-disk using a swap partition under LVM? -A: No. You can suspend successfully, but you'll not be able to -resume. uswsusp should be able to work with LVM. See suspend.sf.net. +A: Yes and No. You can suspend successfully, but the kernel will not be able +to resume on its own. You need an initramfs that can recognize the resume +situation, activate the logical volume containing the swap volume (but not +touch any filesystems!), and eventually call + +echo -n "$major:$minor" > /sys/power/resume + +where $major and $minor are the respective major and minor device numbers of +the swap volume. + +uswsusp works with LVM, too. See http://suspend.sourceforge.net/ Q: I upgraded the kernel from 2.6.15 to 2.6.16. Both kernels were compiled with the similar configuration files. Anyway I found that diff --git a/Documentation/target/tcm_mod_builder.py b/Documentation/target/tcm_mod_builder.py index 949de191fcdc..cda56df9b8a7 100755 --- a/Documentation/target/tcm_mod_builder.py +++ b/Documentation/target/tcm_mod_builder.py @@ -199,7 +199,8 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name): buf += "#include <linux/string.h>\n" buf += "#include <linux/configfs.h>\n" buf += "#include <linux/ctype.h>\n" - buf += "#include <asm/unaligned.h>\n\n" + buf += "#include <asm/unaligned.h>\n" + buf += "#include <scsi/scsi_proto.h>\n\n" buf += "#include <target/target_core_base.h>\n" buf += "#include <target/target_core_fabric.h>\n" buf += "#include <target/target_core_fabric_configfs.h>\n" @@ -230,8 +231,14 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name): buf += " }\n" buf += " tpg->" + fabric_mod_port + " = " + fabric_mod_port + ";\n" buf += " tpg->" + fabric_mod_port + "_tpgt = tpgt;\n\n" - buf += " ret = core_tpg_register(&" + fabric_mod_name + "_ops, wwn,\n" - buf += " &tpg->se_tpg, SCSI_PROTOCOL_SAS);\n" + + if proto_ident == "FC": + buf += " ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_FCP);\n" + elif proto_ident == "SAS": + buf += " ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_SAS);\n" + elif proto_ident == "iSCSI": + buf += " ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_ISCSI);\n" + buf += " if (ret < 0) {\n" buf += " kfree(tpg);\n" buf += " return NULL;\n" @@ -292,7 +299,7 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name): buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops = {\n" buf += " .module = THIS_MODULE,\n" - buf += " .name = " + fabric_mod_name + ",\n" + buf += " .name = \"" + fabric_mod_name + "\",\n" buf += " .get_fabric_name = " + fabric_mod_name + "_get_fabric_name,\n" buf += " .tpg_get_wwn = " + fabric_mod_name + "_get_fabric_wwn,\n" buf += " .tpg_get_tag = " + fabric_mod_name + "_get_tag,\n" @@ -322,17 +329,17 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name): buf += " .fabric_make_tpg = " + fabric_mod_name + "_make_tpg,\n" buf += " .fabric_drop_tpg = " + fabric_mod_name + "_drop_tpg,\n" buf += "\n" - buf += " .tfc_wwn_attrs = " + fabric_mod_name + "_wwn_attrs;\n" + buf += " .tfc_wwn_attrs = " + fabric_mod_name + "_wwn_attrs,\n" buf += "};\n\n" buf += "static int __init " + fabric_mod_name + "_init(void)\n" buf += "{\n" - buf += " return target_register_template(" + fabric_mod_name + "_ops);\n" + buf += " return target_register_template(&" + fabric_mod_name + "_ops);\n" buf += "};\n\n" buf += "static void __exit " + fabric_mod_name + "_exit(void)\n" buf += "{\n" - buf += " target_unregister_template(" + fabric_mod_name + "_ops);\n" + buf += " target_unregister_template(&" + fabric_mod_name + "_ops);\n" buf += "};\n\n" buf += "MODULE_DESCRIPTION(\"" + fabric_mod_name.upper() + " series fabric driver\");\n" diff --git a/MAINTAINERS b/MAINTAINERS index 8133cefb6b6e..569568f6644f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -361,11 +361,11 @@ S: Supported F: drivers/input/touchscreen/ad7879.c ADDRESS SPACE LAYOUT RANDOMIZATION (ASLR) -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> S: Maintained ADM1025 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/adm1025 @@ -430,7 +430,7 @@ S: Maintained F: drivers/macintosh/therm_adt746x.c ADT7475 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/adt7475 @@ -445,7 +445,7 @@ F: drivers/input/misc/adxl34x.c ADVANSYS SCSI DRIVER M: Matthew Wilcox <matthew@wil.cx> -M: Hannes Reinecke <hare@suse.de> +M: Hannes Reinecke <hare@suse.com> L: linux-scsi@vger.kernel.org S: Maintained F: Documentation/scsi/advansys.txt @@ -506,7 +506,7 @@ F: drivers/scsi/aha152x* F: drivers/scsi/pcmcia/aha152x* AIC7XXX / AIC79XX SCSI DRIVER -M: Hannes Reinecke <hare@suse.de> +M: Hannes Reinecke <hare@suse.com> L: linux-scsi@vger.kernel.org S: Maintained F: drivers/scsi/aic7xxx/ @@ -746,7 +746,7 @@ S: Maintained F: sound/aoa/ APM DRIVER -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> S: Odd fixes F: arch/x86/kernel/apm_32.c F: include/linux/apm_bios.h @@ -1001,6 +1001,7 @@ ARM/CONEXANT DIGICOLOR MACHINE SUPPORT M: Baruch Siach <baruch@tkos.co.il> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained +F: arch/arm/boot/dts/cx92755* N: digicolor ARM/EBSA110 MACHINE SUPPORT @@ -1324,7 +1325,7 @@ F: arch/arm/mach-pxa/include/mach/palmtc.h F: arch/arm/mach-pxa/palmtc.c ARM/PALM TREO SUPPORT -M: Tomas Cech <sleep_walker@suse.cz> +M: Tomas Cech <sleep_walker@suse.com> L: linux-arm-kernel@lists.infradead.org W: http://hackndev.com S: Maintained @@ -1614,6 +1615,7 @@ M: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained F: arch/arm/boot/dts/vexpress* +F: arch/arm64/boot/dts/arm/vexpress* F: arch/arm/mach-vexpress/ F: */*/vexpress* F: */*/*/vexpress* @@ -2404,7 +2406,7 @@ F: drivers/gpio/gpio-bt8xx.c BTRFS FILE SYSTEM M: Chris Mason <clm@fb.com> M: Josef Bacik <jbacik@fb.com> -M: David Sterba <dsterba@suse.cz> +M: David Sterba <dsterba@suse.com> L: linux-btrfs@vger.kernel.org W: http://btrfs.wiki.kernel.org/ Q: http://patchwork.kernel.org/project/linux-btrfs/list/ @@ -2562,19 +2564,31 @@ F: arch/powerpc/include/uapi/asm/spu*.h F: arch/powerpc/oprofile/*cell* F: arch/powerpc/platforms/cell/ -CEPH DISTRIBUTED FILE SYSTEM CLIENT +CEPH COMMON CODE (LIBCEPH) +M: Ilya Dryomov <idryomov@gmail.com> M: "Yan, Zheng" <zyan@redhat.com> M: Sage Weil <sage@redhat.com> L: ceph-devel@vger.kernel.org W: http://ceph.com/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git +T: git git://github.com/ceph/ceph-client.git S: Supported -F: Documentation/filesystems/ceph.txt -F: fs/ceph/ F: net/ceph/ F: include/linux/ceph/ F: include/linux/crush/ +CEPH DISTRIBUTED FILE SYSTEM CLIENT (CEPH) +M: "Yan, Zheng" <zyan@redhat.com> +M: Sage Weil <sage@redhat.com> +M: Ilya Dryomov <idryomov@gmail.com> +L: ceph-devel@vger.kernel.org +W: http://ceph.com/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git +T: git git://github.com/ceph/ceph-client.git +S: Supported +F: Documentation/filesystems/ceph.txt +F: fs/ceph/ + CERTIFIED WIRELESS USB (WUSB) SUBSYSTEM: L: linux-usb@vger.kernel.org S: Orphan @@ -2735,7 +2749,7 @@ COCCINELLE/Semantic Patches (SmPL) M: Julia Lawall <Julia.Lawall@lip6.fr> M: Gilles Muller <Gilles.Muller@lip6.fr> M: Nicolas Palix <nicolas.palix@imag.fr> -M: Michal Marek <mmarek@suse.cz> +M: Michal Marek <mmarek@suse.com> L: cocci@systeme.lip6.fr (moderated for non-subscribers) T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git misc W: http://coccinelle.lip6.fr/ @@ -2851,7 +2865,7 @@ F: kernel/cpuset.c CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG) M: Johannes Weiner <hannes@cmpxchg.org> -M: Michal Hocko <mhocko@suse.cz> +M: Michal Hocko <mhocko@kernel.org> L: cgroups@vger.kernel.org L: linux-mm@kvack.org S: Maintained @@ -2932,7 +2946,7 @@ F: arch/x86/kernel/cpuid.c F: arch/x86/kernel/msr.c CPU POWER MONITORING SUBSYSTEM -M: Thomas Renninger <trenn@suse.de> +M: Thomas Renninger <trenn@suse.com> L: linux-pm@vger.kernel.org S: Maintained F: tools/power/cpupower/ @@ -3162,7 +3176,7 @@ F: Documentation/networking/dmfe.txt F: drivers/net/ethernet/dec/tulip/dmfe.c DC390/AM53C974 SCSI driver -M: Hannes Reinecke <hare@suse.de> +M: Hannes Reinecke <hare@suse.com> L: linux-scsi@vger.kernel.org S: Maintained F: drivers/scsi/am53c974.c @@ -3366,7 +3380,7 @@ W: http://www.win.tue.nl/~aeb/partitions/partition_types-1.html S: Maintained DISKQUOTA -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> S: Maintained F: Documentation/filesystems/quota.txt F: fs/quota/ @@ -3422,7 +3436,7 @@ F: Documentation/hwmon/dme1737 F: drivers/hwmon/dme1737.c DMI/SMBIOS SUPPORT -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> S: Maintained T: quilt http://jdelvare.nerim.net/devel/linux/jdelvare-dmi/ F: Documentation/ABI/testing/sysfs-firmware-dmi-tables @@ -3573,6 +3587,15 @@ S: Maintained F: drivers/gpu/drm/rockchip/ F: Documentation/devicetree/bindings/video/rockchip* +DRM DRIVERS FOR STI +M: Benjamin Gaignard <benjamin.gaignard@linaro.org> +M: Vincent Abriou <vincent.abriou@st.com> +L: dri-devel@lists.freedesktop.org +T: git http://git.linaro.org/people/benjamin.gaignard/kernel.git +S: Maintained +F: drivers/gpu/drm/sti +F: Documentation/devicetree/bindings/gpu/st,stih4xx.txt + DSBR100 USB FM RADIO DRIVER M: Alexey Klimov <klimov.linux@gmail.com> L: linux-media@vger.kernel.org @@ -4038,7 +4061,7 @@ F: drivers/of/of_mdio.c F: drivers/of/of_net.c EXT2 FILE SYSTEM -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> L: linux-ext4@vger.kernel.org S: Maintained F: Documentation/filesystems/ext2.txt @@ -4046,7 +4069,7 @@ F: fs/ext2/ F: include/linux/ext2* EXT3 FILE SYSTEM -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> M: Andrew Morton <akpm@linux-foundation.org> M: Andreas Dilger <adilger.kernel@dilger.ca> L: linux-ext4@vger.kernel.org @@ -4096,7 +4119,7 @@ F: drivers/video/fbdev/exynos/exynos_mipi* F: include/video/exynos_mipi* F71805F HARDWARE MONITORING DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/f71805f @@ -4231,7 +4254,7 @@ S: Maintained F: drivers/block/rsxx/ FLOPPY DRIVER -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/floppy.git S: Odd fixes F: drivers/block/floppy.c @@ -4652,7 +4675,7 @@ F: drivers/media/usb/stk1160/ H8/300 ARCHITECTURE M: Yoshinori Sato <ysato@users.sourceforge.jp> -L: uclinux-h8-devel@lists.sourceforge.jp +L: uclinux-h8-devel@lists.sourceforge.jp (moderated for non-subscribers) W: http://uclinux-h8.sourceforge.jp T: git git://git.sourceforge.jp/gitroot/uclinux-h8/linux.git S: Maintained @@ -4699,7 +4722,7 @@ S: Maintained F: drivers/media/usb/hackrf/ HARDWARE MONITORING -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> M: Guenter Roeck <linux@roeck-us.net> L: lm-sensors@lm-sensors.org W: http://www.lm-sensors.org/ @@ -4802,7 +4825,7 @@ F: include/linux/pm.h F: arch/*/include/asm/suspend*.h HID CORE LAYER -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> L: linux-input@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git S: Maintained @@ -4811,7 +4834,7 @@ F: include/linux/hid* F: include/uapi/linux/hid* HID SENSOR HUB DRIVERS -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> M: Jonathan Cameron <jic23@kernel.org> M: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> L: linux-input@vger.kernel.org @@ -4945,7 +4968,7 @@ F: include/linux/hyperv.h F: tools/hv/ I2C OVER PARALLEL PORT -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: linux-i2c@vger.kernel.org S: Maintained F: Documentation/i2c/busses/i2c-parport @@ -4954,7 +4977,7 @@ F: drivers/i2c/busses/i2c-parport.c F: drivers/i2c/busses/i2c-parport-light.c I2C/SMBUS CONTROLLER DRIVERS FOR PC -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: linux-i2c@vger.kernel.org S: Maintained F: Documentation/i2c/busses/i2c-ali1535 @@ -4995,7 +5018,7 @@ F: drivers/i2c/busses/i2c-ismt.c F: Documentation/i2c/busses/i2c-ismt I2C/SMBUS STUB DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: linux-i2c@vger.kernel.org S: Maintained F: drivers/i2c/i2c-stub.c @@ -5022,7 +5045,7 @@ L: linux-acpi@vger.kernel.org S: Maintained I2C-TAOS-EVM DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: linux-i2c@vger.kernel.org S: Maintained F: Documentation/i2c/busses/i2c-taos-evm @@ -5551,8 +5574,8 @@ F: include/uapi/linux/ip_vs.h F: net/netfilter/ipvs/ IPWIRELESS DRIVER -M: Jiri Kosina <jkosina@suse.cz> -M: David Sterba <dsterba@suse.cz> +M: Jiri Kosina <jkosina@suse.com> +M: David Sterba <dsterba@suse.com> S: Odd Fixes F: drivers/tty/ipwireless/ @@ -5586,6 +5609,7 @@ F: kernel/irq/ IRQCHIP DRIVERS M: Thomas Gleixner <tglx@linutronix.de> M: Jason Cooper <jason@lakedaemon.net> +M: Marc Zyngier <marc.zyngier@arm.com> L: linux-kernel@vger.kernel.org S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core @@ -5594,11 +5618,14 @@ F: Documentation/devicetree/bindings/interrupt-controller/ F: drivers/irqchip/ IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY) -M: Benjamin Herrenschmidt <benh@kernel.crashing.org> +M: Jiang Liu <jiang.liu@linux.intel.com> +M: Marc Zyngier <marc.zyngier@arm.com> S: Maintained +T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core F: Documentation/IRQ-domain.txt F: include/linux/irqdomain.h F: kernel/irq/irqdomain.c +F: kernel/irq/msi.c ISAPNP M: Jaroslav Kysela <perex@perex.cz> @@ -5672,7 +5699,7 @@ S: Maintained F: drivers/isdn/hardware/eicon/ IT87 HARDWARE MONITORING DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/it87 @@ -5739,7 +5766,7 @@ F: include/uapi/linux/jffs2.h JOURNALLING LAYER FOR BLOCK DEVICES (JBD) M: Andrew Morton <akpm@linux-foundation.org> -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> L: linux-ext4@vger.kernel.org S: Maintained F: fs/jbd/ @@ -5803,7 +5830,7 @@ S: Maintained F: fs/autofs4/ KERNEL BUILD + files below scripts/ (unless maintained elsewhere) -M: Michal Marek <mmarek@suse.cz> +M: Michal Marek <mmarek@suse.com> T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git for-next T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git rc-fixes L: linux-kbuild@vger.kernel.org @@ -5867,7 +5894,7 @@ F: arch/x86/include/asm/svm.h F: arch/x86/kvm/svm.c KERNEL VIRTUAL MACHINE (KVM) FOR POWERPC -M: Alexander Graf <agraf@suse.de> +M: Alexander Graf <agraf@suse.com> L: kvm-ppc@vger.kernel.org W: http://kvm.qumranet.com T: git git://github.com/agraf/linux-2.6.git @@ -5885,7 +5912,6 @@ S: Supported F: Documentation/s390/kvm.txt F: arch/s390/include/asm/kvm* F: arch/s390/kvm/ -F: drivers/s390/kvm/ KERNEL VIRTUAL MACHINE (KVM) FOR ARM M: Christoffer Dall <christoffer.dall@linaro.org> @@ -6024,7 +6050,7 @@ F: drivers/leds/ F: include/linux/leds.h LEGACY EEPROM DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> S: Maintained F: Documentation/misc-devices/eeprom F: drivers/misc/eeprom/eeprom.c @@ -6077,7 +6103,7 @@ F: include/linux/ata.h F: include/linux/libata.h LIBATA PATA ARASAN COMPACT FLASH CONTROLLER -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> L: linux-ide@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git S: Maintained @@ -6147,6 +6173,7 @@ L: linux-nvdimm@lists.01.org Q: https://patchwork.kernel.org/project/linux-nvdimm/list/ S: Supported F: drivers/nvdimm/pmem.c +F: include/linux/pmem.h LINUX FOR IBM pSERIES (RS/6000) M: Paul Mackerras <paulus@au.ibm.com> @@ -6161,7 +6188,7 @@ M: Michael Ellerman <mpe@ellerman.id.au> W: http://www.penguinppc.org/ L: linuxppc-dev@lists.ozlabs.org Q: http://patchwork.ozlabs.org/project/linuxppc-dev/list/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git S: Supported F: Documentation/powerpc/ F: arch/powerpc/ @@ -6237,8 +6264,8 @@ F: drivers/platform/x86/hp_accel.c LIVE PATCHING M: Josh Poimboeuf <jpoimboe@redhat.com> M: Seth Jennings <sjenning@redhat.com> -M: Jiri Kosina <jkosina@suse.cz> -M: Vojtech Pavlik <vojtech@suse.cz> +M: Jiri Kosina <jkosina@suse.com> +M: Vojtech Pavlik <vojtech@suse.com> S: Maintained F: kernel/livepatch/ F: include/linux/livepatch.h @@ -6264,21 +6291,21 @@ S: Maintained F: drivers/hwmon/lm73.c LM78 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/lm78 F: drivers/hwmon/lm78.c LM83 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/lm83 F: drivers/hwmon/lm83.c LM90 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/lm90 @@ -6824,6 +6851,12 @@ T: git git://linuxtv.org/anttip/media_tree.git S: Maintained F: drivers/media/usb/msi2500/ +MSYSTEMS DISKONCHIP G3 MTD DRIVER +M: Robert Jarzmik <robert.jarzmik@free.fr> +L: linux-mtd@lists.infradead.org +S: Maintained +F: drivers/mtd/devices/docg3* + MT9M032 APTINA SENSOR DRIVER M: Laurent Pinchart <laurent.pinchart@ideasonboard.com> L: linux-media@vger.kernel.org @@ -7005,6 +7038,7 @@ F: include/uapi/linux/netfilter/ F: net/*/netfilter.c F: net/*/netfilter/ F: net/netfilter/ +F: net/bridge/br_netfilter*.c NETLABEL M: Paul Moore <paul@paul-moore.com> @@ -7704,7 +7738,7 @@ S: Maintained F: drivers/char/pc8736x_gpio.c PC87427 HARDWARE MONITORING DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/pc87427 @@ -7981,7 +8015,7 @@ S: Maintained F: drivers/pinctrl/samsung/ PIN CONTROLLER - ST SPEAR -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> L: spear-devel@list.st.com L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) W: http://www.st.com/spear @@ -7989,7 +8023,7 @@ S: Maintained F: drivers/pinctrl/spear/ PKTCDVD DRIVER -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> S: Maintained F: drivers/block/pktcdvd.c F: include/linux/pktcdvd.h @@ -8366,10 +8400,12 @@ RADOS BLOCK DEVICE (RBD) M: Ilya Dryomov <idryomov@gmail.com> M: Sage Weil <sage@redhat.com> M: Alex Elder <elder@kernel.org> -M: ceph-devel@vger.kernel.org +L: ceph-devel@vger.kernel.org W: http://ceph.com/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git +T: git git://github.com/ceph/ceph-client.git S: Supported +F: Documentation/ABI/testing/sysfs-bus-rbd F: drivers/block/rbd.c F: drivers/block/rbd_types.h @@ -8878,7 +8914,7 @@ S: Maintained F: drivers/tty/serial/ SYNOPSYS DESIGNWARE DMAC DRIVER -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> M: Andy Shevchenko <andriy.shevchenko@linux.intel.com> S: Maintained F: include/linux/dma/dw.h @@ -9045,7 +9081,7 @@ S: Maintained F: drivers/mmc/host/sdhci-s3c* SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) ST SPEAR DRIVER -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> L: spear-devel@list.st.com L: linux-mmc@vger.kernel.org S: Maintained @@ -9407,7 +9443,7 @@ F: Documentation/hwmon/sch5627 F: drivers/hwmon/sch5627.c SMSC47B397 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/smsc47b397 @@ -9456,7 +9492,7 @@ S: Supported F: drivers/media/pci/solo6x10/ SOFTWARE RAID (Multiple Disks) SUPPORT -M: Neil Brown <neilb@suse.de> +M: Neil Brown <neilb@suse.com> L: linux-raid@vger.kernel.org S: Supported F: drivers/md/ @@ -9499,7 +9535,7 @@ F: drivers/memstick/core/ms_block.* SOUND M: Jaroslav Kysela <perex@perex.cz> -M: Takashi Iwai <tiwai@suse.de> +M: Takashi Iwai <tiwai@suse.com> L: alsa-devel@alsa-project.org (moderated for non-subscribers) W: http://www.alsa-project.org/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git @@ -9583,7 +9619,7 @@ S: Maintained F: include/linux/compiler.h SPEAR PLATFORM SUPPORT -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> M: Shiraz Hashim <shiraz.linux.kernel@gmail.com> L: spear-devel@list.st.com L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -9592,7 +9628,7 @@ S: Maintained F: arch/arm/mach-spear/ SPEAR CLOCK FRAMEWORK SUPPORT -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> L: spear-devel@list.st.com L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) W: http://www.st.com/spear @@ -10382,7 +10418,7 @@ K: ^Subject:.*(?i)trivial TTY LAYER M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -M: Jiri Slaby <jslaby@suse.cz> +M: Jiri Slaby <jslaby@suse.com> S: Supported T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git F: Documentation/serial/ @@ -10456,7 +10492,7 @@ F: arch/m68k/*/*_no.* F: arch/m68k/include/asm/*_no.* UDF FILESYSTEM -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> S: Maintained F: Documentation/filesystems/udf.txt F: fs/udf/ @@ -10599,7 +10635,7 @@ F: drivers/usb/gadget/ F: include/linux/usb/gadget* USB HID/HIDBP DRIVERS (USB KEYBOARDS, MICE, REMOTE CONTROLS, ...) -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> L: linux-usb@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git S: Maintained @@ -10724,7 +10760,7 @@ S: Maintained F: drivers/usb/host/uhci* USB "USBNET" DRIVER FRAMEWORK -M: Oliver Neukum <oneukum@suse.de> +M: Oliver Neukum <oneukum@suse.com> L: netdev@vger.kernel.org W: http://www.linux-usb.org/usbnet S: Maintained @@ -10878,6 +10914,15 @@ F: drivers/block/virtio_blk.c F: include/linux/virtio_*.h F: include/uapi/linux/virtio_*.h +VIRTIO DRIVERS FOR S390 +M: Christian Borntraeger <borntraeger@de.ibm.com> +M: Cornelia Huck <cornelia.huck@de.ibm.com> +L: linux-s390@vger.kernel.org +L: virtualization@lists.linux-foundation.org +L: kvm@vger.kernel.org +S: Supported +F: drivers/s390/virtio/ + VIRTIO GPU DRIVER M: David Airlie <airlied@linux.ie> M: Gerd Hoffmann <kraxel@redhat.com> @@ -11051,7 +11096,7 @@ F: Documentation/hwmon/w83793 F: drivers/hwmon/w83793.c W83795 HARDWARE MONITORING DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: drivers/hwmon/w83795.c @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 2 SUBLEVEL = 0 -EXTRAVERSION = -rc1 +EXTRAVERSION = -rc8 NAME = Hurr durr I'ma sheep # *DOCUMENTATION* @@ -597,6 +597,11 @@ endif # $(dot-config) # Defaults to vmlinux, but the arch makefile usually adds further targets all: vmlinux +# The arch Makefile can set ARCH_{CPP,A,C}FLAGS to override the default +# values of the respective KBUILD_* variables +ARCH_CPPFLAGS := +ARCH_AFLAGS := +ARCH_CFLAGS := include arch/$(SRCARCH)/Makefile KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,) @@ -780,10 +785,11 @@ endif include scripts/Makefile.kasan include scripts/Makefile.extrawarn -# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments -KBUILD_CPPFLAGS += $(KCPPFLAGS) -KBUILD_AFLAGS += $(KAFLAGS) -KBUILD_CFLAGS += $(KCFLAGS) +# Add any arch overrides and user supplied CPPFLAGS, AFLAGS and CFLAGS as the +# last assignments +KBUILD_CPPFLAGS += $(ARCH_CPPFLAGS) $(KCPPFLAGS) +KBUILD_AFLAGS += $(ARCH_AFLAGS) $(KAFLAGS) +KBUILD_CFLAGS += $(ARCH_CFLAGS) $(KCFLAGS) # Use --build-id when available. LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\ @@ -847,10 +853,10 @@ export mod_strip_cmd mod_compress_cmd = true ifdef CONFIG_MODULE_COMPRESS ifdef CONFIG_MODULE_COMPRESS_GZIP - mod_compress_cmd = gzip -n + mod_compress_cmd = gzip -n -f endif # CONFIG_MODULE_COMPRESS_GZIP ifdef CONFIG_MODULE_COMPRESS_XZ - mod_compress_cmd = xz + mod_compress_cmd = xz -f endif # CONFIG_MODULE_COMPRESS_XZ endif # CONFIG_MODULE_COMPRESS export mod_compress_cmd diff --git a/arch/Kconfig b/arch/Kconfig index bec6666a3cc4..8a8ea7110de8 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -221,6 +221,10 @@ config ARCH_TASK_STRUCT_ALLOCATOR config ARCH_THREAD_INFO_ALLOCATOR bool +# Select if arch wants to size task_struct dynamically via arch_task_struct_size: +config ARCH_WANTS_DYNAMIC_TASK_STRUCT + bool + config HAVE_REGS_AND_STACK_ACCESS_API bool help diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild index cde23cd03609..ffd9cf5ec8c4 100644 --- a/arch/alpha/include/asm/Kbuild +++ b/arch/alpha/include/asm/Kbuild @@ -5,6 +5,7 @@ generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += sections.h generic-y += trace_clock.h diff --git a/arch/alpha/include/asm/mm-arch-hooks.h b/arch/alpha/include/asm/mm-arch-hooks.h deleted file mode 100644 index b07fd862fec3..000000000000 --- a/arch/alpha/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_ALPHA_MM_ARCH_HOOKS_H -#define _ASM_ALPHA_MM_ARCH_HOOKS_H - -#endif /* _ASM_ALPHA_MM_ARCH_HOOKS_H */ diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index e7cee0a5c56d..bd4670d1b89b 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -115,6 +115,7 @@ if ISA_ARCOMPACT config ARC_CPU_750D bool "ARC750D" + select ARC_CANT_LLSC help Support for ARC750 core @@ -312,11 +313,11 @@ config ARC_PAGE_SIZE_8K config ARC_PAGE_SIZE_16K bool "16KB" - depends on ARC_MMU_V3 + depends on ARC_MMU_V3 || ARC_MMU_V4 config ARC_PAGE_SIZE_4K bool "4KB" - depends on ARC_MMU_V3 + depends on ARC_MMU_V3 || ARC_MMU_V4 endchoice @@ -362,7 +363,12 @@ config ARC_CANT_LLSC config ARC_HAS_LLSC bool "Insn: LLOCK/SCOND (efficient atomic ops)" default y - depends on !ARC_CPU_750D && !ARC_CANT_LLSC + depends on !ARC_CANT_LLSC + +config ARC_STAR_9000923308 + bool "Workaround for llock/scond livelock" + default y + depends on ISA_ARCV2 && SMP && ARC_HAS_LLSC config ARC_HAS_SWAPE bool "Insn: SWAPE (endian-swap)" @@ -378,6 +384,10 @@ config ARC_HAS_LL64 dest operands with 2 possible source operands. default y +config ARC_HAS_DIV_REM + bool "Insn: div, divu, rem, remu" + default y + config ARC_HAS_RTC bool "Local 64-bit r/o cycle counter" default n diff --git a/arch/arc/Makefile b/arch/arc/Makefile index 6107062c0111..8a27a48304a4 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -36,8 +36,16 @@ cflags-$(atleast_gcc44) += -fsection-anchors cflags-$(CONFIG_ARC_HAS_LLSC) += -mlock cflags-$(CONFIG_ARC_HAS_SWAPE) += -mswape +ifdef CONFIG_ISA_ARCV2 + ifndef CONFIG_ARC_HAS_LL64 -cflags-$(CONFIG_ISA_ARCV2) += -mno-ll64 +cflags-y += -mno-ll64 +endif + +ifndef CONFIG_ARC_HAS_DIV_REM +cflags-y += -mno-div-rem +endif + endif cflags-$(CONFIG_ARC_DW2_UNWIND) += -fasynchronous-unwind-tables @@ -49,7 +57,8 @@ endif ifndef CONFIG_CC_OPTIMIZE_FOR_SIZE # Generic build system uses -O2, we want -O3 -cflags-y += -O3 +# Note: No need to add to cflags-y as that happens anyways +ARCH_CFLAGS += -O3 endif # small data is default for elf32 tool-chain. If not usable, disable it diff --git a/arch/arc/boot/dts/axc003.dtsi b/arch/arc/boot/dts/axc003.dtsi index 15c8d6226c9d..1cd5e82f5dc2 100644 --- a/arch/arc/boot/dts/axc003.dtsi +++ b/arch/arc/boot/dts/axc003.dtsi @@ -12,7 +12,7 @@ / { compatible = "snps,arc"; - clock-frequency = <75000000>; + clock-frequency = <90000000>; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arc/boot/dts/axc003_idu.dtsi b/arch/arc/boot/dts/axc003_idu.dtsi index 199d42820eca..2f0b33257db2 100644 --- a/arch/arc/boot/dts/axc003_idu.dtsi +++ b/arch/arc/boot/dts/axc003_idu.dtsi @@ -12,7 +12,7 @@ / { compatible = "snps,arc"; - clock-frequency = <75000000>; + clock-frequency = <90000000>; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild index 1a80cc91a03b..7611b10a2d23 100644 --- a/arch/arc/include/asm/Kbuild +++ b/arch/arc/include/asm/Kbuild @@ -22,6 +22,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += param.h diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index 070f58827a5c..c8f57b8449dc 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -89,11 +89,10 @@ #define ECR_C_BIT_DTLB_LD_MISS 8 #define ECR_C_BIT_DTLB_ST_MISS 9 - /* Auxiliary registers */ #define AUX_IDENTITY 4 #define AUX_INTR_VEC_BASE 0x25 - +#define AUX_NON_VOL 0x5e /* * Floating Pt Registers @@ -240,9 +239,9 @@ struct bcr_extn_xymem { struct bcr_perip { #ifdef CONFIG_CPU_BIG_ENDIAN - unsigned int start:8, pad2:8, sz:8, pad:8; + unsigned int start:8, pad2:8, sz:8, ver:8; #else - unsigned int pad:8, sz:8, pad2:8, start:8; + unsigned int ver:8, sz:8, pad2:8, start:8; #endif }; diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h index 03484cb4d16d..87d18ae53115 100644 --- a/arch/arc/include/asm/atomic.h +++ b/arch/arc/include/asm/atomic.h @@ -23,33 +23,60 @@ #define atomic_set(v, i) (((v)->counter) = (i)) -#ifdef CONFIG_ISA_ARCV2 -#define PREFETCHW " prefetchw [%1] \n" -#else -#define PREFETCHW +#ifdef CONFIG_ARC_STAR_9000923308 + +#define SCOND_FAIL_RETRY_VAR_DEF \ + unsigned int delay = 1, tmp; \ + +#define SCOND_FAIL_RETRY_ASM \ + " bz 4f \n" \ + " ; --- scond fail delay --- \n" \ + " mov %[tmp], %[delay] \n" /* tmp = delay */ \ + "2: brne.d %[tmp], 0, 2b \n" /* while (tmp != 0) */ \ + " sub %[tmp], %[tmp], 1 \n" /* tmp-- */ \ + " rol %[delay], %[delay] \n" /* delay *= 2 */ \ + " b 1b \n" /* start over */ \ + "4: ; --- success --- \n" \ + +#define SCOND_FAIL_RETRY_VARS \ + ,[delay] "+&r" (delay),[tmp] "=&r" (tmp) \ + +#else /* !CONFIG_ARC_STAR_9000923308 */ + +#define SCOND_FAIL_RETRY_VAR_DEF + +#define SCOND_FAIL_RETRY_ASM \ + " bnz 1b \n" \ + +#define SCOND_FAIL_RETRY_VARS + #endif #define ATOMIC_OP(op, c_op, asm_op) \ static inline void atomic_##op(int i, atomic_t *v) \ { \ - unsigned int temp; \ + unsigned int val; \ + SCOND_FAIL_RETRY_VAR_DEF \ \ __asm__ __volatile__( \ - "1: \n" \ - PREFETCHW \ - " llock %0, [%1] \n" \ - " " #asm_op " %0, %0, %2 \n" \ - " scond %0, [%1] \n" \ - " bnz 1b \n" \ - : "=&r"(temp) /* Early clobber, to prevent reg reuse */ \ - : "r"(&v->counter), "ir"(i) \ + "1: llock %[val], [%[ctr]] \n" \ + " " #asm_op " %[val], %[val], %[i] \n" \ + " scond %[val], [%[ctr]] \n" \ + " \n" \ + SCOND_FAIL_RETRY_ASM \ + \ + : [val] "=&r" (val) /* Early clobber to prevent reg reuse */ \ + SCOND_FAIL_RETRY_VARS \ + : [ctr] "r" (&v->counter), /* Not "m": llock only supports reg direct addr mode */ \ + [i] "ir" (i) \ : "cc"); \ } \ #define ATOMIC_OP_RETURN(op, c_op, asm_op) \ static inline int atomic_##op##_return(int i, atomic_t *v) \ { \ - unsigned int temp; \ + unsigned int val; \ + SCOND_FAIL_RETRY_VAR_DEF \ \ /* \ * Explicit full memory barrier needed before/after as \ @@ -58,19 +85,21 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \ smp_mb(); \ \ __asm__ __volatile__( \ - "1: \n" \ - PREFETCHW \ - " llock %0, [%1] \n" \ - " " #asm_op " %0, %0, %2 \n" \ - " scond %0, [%1] \n" \ - " bnz 1b \n" \ - : "=&r"(temp) \ - : "r"(&v->counter), "ir"(i) \ + "1: llock %[val], [%[ctr]] \n" \ + " " #asm_op " %[val], %[val], %[i] \n" \ + " scond %[val], [%[ctr]] \n" \ + " \n" \ + SCOND_FAIL_RETRY_ASM \ + \ + : [val] "=&r" (val) \ + SCOND_FAIL_RETRY_VARS \ + : [ctr] "r" (&v->counter), \ + [i] "ir" (i) \ : "cc"); \ \ smp_mb(); \ \ - return temp; \ + return val; \ } #else /* !CONFIG_ARC_HAS_LLSC */ @@ -150,6 +179,9 @@ ATOMIC_OP(and, &=, and) #undef ATOMIC_OPS #undef ATOMIC_OP_RETURN #undef ATOMIC_OP +#undef SCOND_FAIL_RETRY_VAR_DEF +#undef SCOND_FAIL_RETRY_ASM +#undef SCOND_FAIL_RETRY_VARS /** * __atomic_add_unless - add unless the number is a given value diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h index 99fe118d3730..57c1f33844d4 100644 --- a/arch/arc/include/asm/bitops.h +++ b/arch/arc/include/asm/bitops.h @@ -50,8 +50,7 @@ static inline void op##_bit(unsigned long nr, volatile unsigned long *m)\ * done for const @nr, but no code is generated due to gcc \ * const prop. \ */ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ + nr &= 0x1f; \ \ __asm__ __volatile__( \ "1: llock %0, [%1] \n" \ @@ -82,8 +81,7 @@ static inline int test_and_##op##_bit(unsigned long nr, volatile unsigned long * \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ + nr &= 0x1f; \ \ /* \ * Explicit full memory barrier needed before/after as \ @@ -129,16 +127,13 @@ static inline void op##_bit(unsigned long nr, volatile unsigned long *m)\ unsigned long temp, flags; \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ - \ /* \ * spin lock/unlock provide the needed smp_mb() before/after \ */ \ bitops_lock(flags); \ \ temp = *m; \ - *m = temp c_op (1UL << nr); \ + *m = temp c_op (1UL << (nr & 0x1f)); \ \ bitops_unlock(flags); \ } @@ -149,17 +144,14 @@ static inline int test_and_##op##_bit(unsigned long nr, volatile unsigned long * unsigned long old, flags; \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ - \ bitops_lock(flags); \ \ old = *m; \ - *m = old c_op (1 << nr); \ + *m = old c_op (1UL << (nr & 0x1f)); \ \ bitops_unlock(flags); \ \ - return (old & (1 << nr)) != 0; \ + return (old & (1UL << (nr & 0x1f))) != 0; \ } #endif /* CONFIG_ARC_HAS_LLSC */ @@ -174,11 +166,8 @@ static inline void __##op##_bit(unsigned long nr, volatile unsigned long *m) \ unsigned long temp; \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ - \ temp = *m; \ - *m = temp c_op (1UL << nr); \ + *m = temp c_op (1UL << (nr & 0x1f)); \ } #define __TEST_N_BIT_OP(op, c_op, asm_op) \ @@ -187,13 +176,10 @@ static inline int __test_and_##op##_bit(unsigned long nr, volatile unsigned long unsigned long old; \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ - \ old = *m; \ - *m = old c_op (1 << nr); \ + *m = old c_op (1UL << (nr & 0x1f)); \ \ - return (old & (1 << nr)) != 0; \ + return (old & (1UL << (nr & 0x1f))) != 0; \ } #define BIT_OPS(op, c_op, asm_op) \ @@ -224,10 +210,7 @@ test_bit(unsigned int nr, const volatile unsigned long *addr) addr += nr >> 5; - if (__builtin_constant_p(nr)) - nr &= 0x1f; - - mask = 1 << nr; + mask = 1UL << (nr & 0x1f); return ((mask & *addr) != 0); } diff --git a/arch/arc/include/asm/futex.h b/arch/arc/include/asm/futex.h index 05b5aaf5b0f9..70cfe16b742d 100644 --- a/arch/arc/include/asm/futex.h +++ b/arch/arc/include/asm/futex.h @@ -16,12 +16,40 @@ #include <linux/uaccess.h> #include <asm/errno.h> +#ifdef CONFIG_ARC_HAS_LLSC + +#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg)\ + \ + __asm__ __volatile__( \ + "1: llock %1, [%2] \n" \ + insn "\n" \ + "2: scond %0, [%2] \n" \ + " bnz 1b \n" \ + " mov %0, 0 \n" \ + "3: \n" \ + " .section .fixup,\"ax\" \n" \ + " .align 4 \n" \ + "4: mov %0, %4 \n" \ + " b 3b \n" \ + " .previous \n" \ + " .section __ex_table,\"a\" \n" \ + " .align 4 \n" \ + " .word 1b, 4b \n" \ + " .word 2b, 4b \n" \ + " .previous \n" \ + \ + : "=&r" (ret), "=&r" (oldval) \ + : "r" (uaddr), "r" (oparg), "ir" (-EFAULT) \ + : "cc", "memory") + +#else /* !CONFIG_ARC_HAS_LLSC */ + #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg)\ \ __asm__ __volatile__( \ - "1: ld %1, [%2] \n" \ + "1: ld %1, [%2] \n" \ insn "\n" \ - "2: st %0, [%2] \n" \ + "2: st %0, [%2] \n" \ " mov %0, 0 \n" \ "3: \n" \ " .section .fixup,\"ax\" \n" \ @@ -39,6 +67,8 @@ : "r" (uaddr), "r" (oparg), "ir" (-EFAULT) \ : "cc", "memory") +#endif + static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; @@ -123,11 +153,17 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, u32 oldval, pagefault_disable(); - /* TBD : can use llock/scond */ __asm__ __volatile__( - "1: ld %0, [%3] \n" - " brne %0, %1, 3f \n" - "2: st %2, [%3] \n" +#ifdef CONFIG_ARC_HAS_LLSC + "1: llock %0, [%3] \n" + " brne %0, %1, 3f \n" + "2: scond %2, [%3] \n" + " bnz 1b \n" +#else + "1: ld %0, [%3] \n" + " brne %0, %1, 3f \n" + "2: st %2, [%3] \n" +#endif "3: \n" " .section .fixup,\"ax\" \n" "4: mov %0, %4 \n" diff --git a/arch/arc/include/asm/mm-arch-hooks.h b/arch/arc/include/asm/mm-arch-hooks.h deleted file mode 100644 index c37541c5f8ba..000000000000 --- a/arch/arc/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_ARC_MM_ARCH_HOOKS_H -#define _ASM_ARC_MM_ARCH_HOOKS_H - -#endif /* _ASM_ARC_MM_ARCH_HOOKS_H */ diff --git a/arch/arc/include/asm/ptrace.h b/arch/arc/include/asm/ptrace.h index 91755972b9a2..69095da1fcfd 100644 --- a/arch/arc/include/asm/ptrace.h +++ b/arch/arc/include/asm/ptrace.h @@ -20,20 +20,20 @@ struct pt_regs { /* Real registers */ - long bta; /* bta_l1, bta_l2, erbta */ + unsigned long bta; /* bta_l1, bta_l2, erbta */ - long lp_start, lp_end, lp_count; + unsigned long lp_start, lp_end, lp_count; - long status32; /* status32_l1, status32_l2, erstatus */ - long ret; /* ilink1, ilink2 or eret */ - long blink; - long fp; - long r26; /* gp */ + unsigned long status32; /* status32_l1, status32_l2, erstatus */ + unsigned long ret; /* ilink1, ilink2 or eret */ + unsigned long blink; + unsigned long fp; + unsigned long r26; /* gp */ - long r12, r11, r10, r9, r8, r7, r6, r5, r4, r3, r2, r1, r0; + unsigned long r12, r11, r10, r9, r8, r7, r6, r5, r4, r3, r2, r1, r0; - long sp; /* user/kernel sp depending on where we came from */ - long orig_r0; + unsigned long sp; /* User/Kernel depending on where we came from */ + unsigned long orig_r0; /* * To distinguish bet excp, syscall, irq @@ -55,13 +55,13 @@ struct pt_regs { unsigned long event; }; - long user_r25; + unsigned long user_r25; }; #else struct pt_regs { - long orig_r0; + unsigned long orig_r0; union { struct { @@ -76,26 +76,26 @@ struct pt_regs { unsigned long event; }; - long bta; /* bta_l1, bta_l2, erbta */ + unsigned long bta; /* bta_l1, bta_l2, erbta */ - long user_r25; + unsigned long user_r25; - long r26; /* gp */ - long fp; - long sp; /* user/kernel sp depending on where we came from */ + unsigned long r26; /* gp */ + unsigned long fp; + unsigned long sp; /* user/kernel sp depending on where we came from */ - long r12; + unsigned long r12; /*------- Below list auto saved by h/w -----------*/ - long r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11; + unsigned long r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11; - long blink; - long lp_end, lp_start, lp_count; + unsigned long blink; + unsigned long lp_end, lp_start, lp_count; - long ei, ldi, jli; + unsigned long ei, ldi, jli; - long ret; - long status32; + unsigned long ret; + unsigned long status32; }; #endif @@ -103,7 +103,7 @@ struct pt_regs { /* Callee saved registers - need to be saved only when you are scheduled out */ struct callee_regs { - long r25, r24, r23, r22, r21, r20, r19, r18, r17, r16, r15, r14, r13; + unsigned long r25, r24, r23, r22, r21, r20, r19, r18, r17, r16, r15, r14, r13; }; #define instruction_pointer(regs) ((regs)->ret) @@ -142,7 +142,7 @@ struct callee_regs { static inline long regs_return_value(struct pt_regs *regs) { - return regs->r0; + return (long)regs->r0; } #endif /* !__ASSEMBLY__ */ diff --git a/arch/arc/include/asm/spinlock.h b/arch/arc/include/asm/spinlock.h index e1651df6a93d..db8c59d1eaeb 100644 --- a/arch/arc/include/asm/spinlock.h +++ b/arch/arc/include/asm/spinlock.h @@ -18,9 +18,518 @@ #define arch_spin_unlock_wait(x) \ do { while (arch_spin_is_locked(x)) cpu_relax(); } while (0) +#ifdef CONFIG_ARC_HAS_LLSC + +/* + * A normal LLOCK/SCOND based system, w/o need for livelock workaround + */ +#ifndef CONFIG_ARC_STAR_9000923308 + static inline void arch_spin_lock(arch_spinlock_t *lock) { - unsigned int tmp = __ARCH_SPIN_LOCK_LOCKED__; + unsigned int val; + + smp_mb(); + + __asm__ __volatile__( + "1: llock %[val], [%[slock]] \n" + " breq %[val], %[LOCKED], 1b \n" /* spin while LOCKED */ + " scond %[LOCKED], [%[slock]] \n" /* acquire */ + " bnz 1b \n" + " \n" + : [val] "=&r" (val) + : [slock] "r" (&(lock->slock)), + [LOCKED] "r" (__ARCH_SPIN_LOCK_LOCKED__) + : "memory", "cc"); + + smp_mb(); +} + +/* 1 - lock taken successfully */ +static inline int arch_spin_trylock(arch_spinlock_t *lock) +{ + unsigned int val, got_it = 0; + + smp_mb(); + + __asm__ __volatile__( + "1: llock %[val], [%[slock]] \n" + " breq %[val], %[LOCKED], 4f \n" /* already LOCKED, just bail */ + " scond %[LOCKED], [%[slock]] \n" /* acquire */ + " bnz 1b \n" + " mov %[got_it], 1 \n" + "4: \n" + " \n" + : [val] "=&r" (val), + [got_it] "+&r" (got_it) + : [slock] "r" (&(lock->slock)), + [LOCKED] "r" (__ARCH_SPIN_LOCK_LOCKED__) + : "memory", "cc"); + + smp_mb(); + + return got_it; +} + +static inline void arch_spin_unlock(arch_spinlock_t *lock) +{ + smp_mb(); + + lock->slock = __ARCH_SPIN_LOCK_UNLOCKED__; + + smp_mb(); +} + +/* + * Read-write spinlocks, allowing multiple readers but only one writer. + * Unfair locking as Writers could be starved indefinitely by Reader(s) + */ + +static inline void arch_read_lock(arch_rwlock_t *rw) +{ + unsigned int val; + + smp_mb(); + + /* + * zero means writer holds the lock exclusively, deny Reader. + * Otherwise grant lock to first/subseq reader + * + * if (rw->counter > 0) { + * rw->counter--; + * ret = 1; + * } + */ + + __asm__ __volatile__( + "1: llock %[val], [%[rwlock]] \n" + " brls %[val], %[WR_LOCKED], 1b\n" /* <= 0: spin while write locked */ + " sub %[val], %[val], 1 \n" /* reader lock */ + " scond %[val], [%[rwlock]] \n" + " bnz 1b \n" + " \n" + : [val] "=&r" (val) + : [rwlock] "r" (&(rw->counter)), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); +} + +/* 1 - lock taken successfully */ +static inline int arch_read_trylock(arch_rwlock_t *rw) +{ + unsigned int val, got_it = 0; + + smp_mb(); + + __asm__ __volatile__( + "1: llock %[val], [%[rwlock]] \n" + " brls %[val], %[WR_LOCKED], 4f\n" /* <= 0: already write locked, bail */ + " sub %[val], %[val], 1 \n" /* counter-- */ + " scond %[val], [%[rwlock]] \n" + " bnz 1b \n" /* retry if collided with someone */ + " mov %[got_it], 1 \n" + " \n" + "4: ; --- done --- \n" + + : [val] "=&r" (val), + [got_it] "+&r" (got_it) + : [rwlock] "r" (&(rw->counter)), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); + + return got_it; +} + +static inline void arch_write_lock(arch_rwlock_t *rw) +{ + unsigned int val; + + smp_mb(); + + /* + * If reader(s) hold lock (lock < __ARCH_RW_LOCK_UNLOCKED__), + * deny writer. Otherwise if unlocked grant to writer + * Hence the claim that Linux rwlocks are unfair to writers. + * (can be starved for an indefinite time by readers). + * + * if (rw->counter == __ARCH_RW_LOCK_UNLOCKED__) { + * rw->counter = 0; + * ret = 1; + * } + */ + + __asm__ __volatile__( + "1: llock %[val], [%[rwlock]] \n" + " brne %[val], %[UNLOCKED], 1b \n" /* while !UNLOCKED spin */ + " mov %[val], %[WR_LOCKED] \n" + " scond %[val], [%[rwlock]] \n" + " bnz 1b \n" + " \n" + : [val] "=&r" (val) + : [rwlock] "r" (&(rw->counter)), + [UNLOCKED] "ir" (__ARCH_RW_LOCK_UNLOCKED__), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); +} + +/* 1 - lock taken successfully */ +static inline int arch_write_trylock(arch_rwlock_t *rw) +{ + unsigned int val, got_it = 0; + + smp_mb(); + + __asm__ __volatile__( + "1: llock %[val], [%[rwlock]] \n" + " brne %[val], %[UNLOCKED], 4f \n" /* !UNLOCKED, bail */ + " mov %[val], %[WR_LOCKED] \n" + " scond %[val], [%[rwlock]] \n" + " bnz 1b \n" /* retry if collided with someone */ + " mov %[got_it], 1 \n" + " \n" + "4: ; --- done --- \n" + + : [val] "=&r" (val), + [got_it] "+&r" (got_it) + : [rwlock] "r" (&(rw->counter)), + [UNLOCKED] "ir" (__ARCH_RW_LOCK_UNLOCKED__), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); + + return got_it; +} + +static inline void arch_read_unlock(arch_rwlock_t *rw) +{ + unsigned int val; + + smp_mb(); + + /* + * rw->counter++; + */ + __asm__ __volatile__( + "1: llock %[val], [%[rwlock]] \n" + " add %[val], %[val], 1 \n" + " scond %[val], [%[rwlock]] \n" + " bnz 1b \n" + " \n" + : [val] "=&r" (val) + : [rwlock] "r" (&(rw->counter)) + : "memory", "cc"); + + smp_mb(); +} + +static inline void arch_write_unlock(arch_rwlock_t *rw) +{ + smp_mb(); + + rw->counter = __ARCH_RW_LOCK_UNLOCKED__; + + smp_mb(); +} + +#else /* CONFIG_ARC_STAR_9000923308 */ + +/* + * HS38x4 could get into a LLOCK/SCOND livelock in case of multiple overlapping + * coherency transactions in the SCU. The exclusive line state keeps rotating + * among contenting cores leading to a never ending cycle. So break the cycle + * by deferring the retry of failed exclusive access (SCOND). The actual delay + * needed is function of number of contending cores as well as the unrelated + * coherency traffic from other cores. To keep the code simple, start off with + * small delay of 1 which would suffice most cases and in case of contention + * double the delay. Eventually the delay is sufficient such that the coherency + * pipeline is drained, thus a subsequent exclusive access would succeed. + */ + +#define SCOND_FAIL_RETRY_VAR_DEF \ + unsigned int delay, tmp; \ + +#define SCOND_FAIL_RETRY_ASM \ + " ; --- scond fail delay --- \n" \ + " mov %[tmp], %[delay] \n" /* tmp = delay */ \ + "2: brne.d %[tmp], 0, 2b \n" /* while (tmp != 0) */ \ + " sub %[tmp], %[tmp], 1 \n" /* tmp-- */ \ + " rol %[delay], %[delay] \n" /* delay *= 2 */ \ + " b 1b \n" /* start over */ \ + " \n" \ + "4: ; --- done --- \n" \ + +#define SCOND_FAIL_RETRY_VARS \ + ,[delay] "=&r" (delay), [tmp] "=&r" (tmp) \ + +static inline void arch_spin_lock(arch_spinlock_t *lock) +{ + unsigned int val; + SCOND_FAIL_RETRY_VAR_DEF; + + smp_mb(); + + __asm__ __volatile__( + "0: mov %[delay], 1 \n" + "1: llock %[val], [%[slock]] \n" + " breq %[val], %[LOCKED], 0b \n" /* spin while LOCKED */ + " scond %[LOCKED], [%[slock]] \n" /* acquire */ + " bz 4f \n" /* done */ + " \n" + SCOND_FAIL_RETRY_ASM + + : [val] "=&r" (val) + SCOND_FAIL_RETRY_VARS + : [slock] "r" (&(lock->slock)), + [LOCKED] "r" (__ARCH_SPIN_LOCK_LOCKED__) + : "memory", "cc"); + + smp_mb(); +} + +/* 1 - lock taken successfully */ +static inline int arch_spin_trylock(arch_spinlock_t *lock) +{ + unsigned int val, got_it = 0; + SCOND_FAIL_RETRY_VAR_DEF; + + smp_mb(); + + __asm__ __volatile__( + "0: mov %[delay], 1 \n" + "1: llock %[val], [%[slock]] \n" + " breq %[val], %[LOCKED], 4f \n" /* already LOCKED, just bail */ + " scond %[LOCKED], [%[slock]] \n" /* acquire */ + " bz.d 4f \n" + " mov.z %[got_it], 1 \n" /* got it */ + " \n" + SCOND_FAIL_RETRY_ASM + + : [val] "=&r" (val), + [got_it] "+&r" (got_it) + SCOND_FAIL_RETRY_VARS + : [slock] "r" (&(lock->slock)), + [LOCKED] "r" (__ARCH_SPIN_LOCK_LOCKED__) + : "memory", "cc"); + + smp_mb(); + + return got_it; +} + +static inline void arch_spin_unlock(arch_spinlock_t *lock) +{ + smp_mb(); + + lock->slock = __ARCH_SPIN_LOCK_UNLOCKED__; + + smp_mb(); +} + +/* + * Read-write spinlocks, allowing multiple readers but only one writer. + * Unfair locking as Writers could be starved indefinitely by Reader(s) + */ + +static inline void arch_read_lock(arch_rwlock_t *rw) +{ + unsigned int val; + SCOND_FAIL_RETRY_VAR_DEF; + + smp_mb(); + + /* + * zero means writer holds the lock exclusively, deny Reader. + * Otherwise grant lock to first/subseq reader + * + * if (rw->counter > 0) { + * rw->counter--; + * ret = 1; + * } + */ + + __asm__ __volatile__( + "0: mov %[delay], 1 \n" + "1: llock %[val], [%[rwlock]] \n" + " brls %[val], %[WR_LOCKED], 0b\n" /* <= 0: spin while write locked */ + " sub %[val], %[val], 1 \n" /* reader lock */ + " scond %[val], [%[rwlock]] \n" + " bz 4f \n" /* done */ + " \n" + SCOND_FAIL_RETRY_ASM + + : [val] "=&r" (val) + SCOND_FAIL_RETRY_VARS + : [rwlock] "r" (&(rw->counter)), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); +} + +/* 1 - lock taken successfully */ +static inline int arch_read_trylock(arch_rwlock_t *rw) +{ + unsigned int val, got_it = 0; + SCOND_FAIL_RETRY_VAR_DEF; + + smp_mb(); + + __asm__ __volatile__( + "0: mov %[delay], 1 \n" + "1: llock %[val], [%[rwlock]] \n" + " brls %[val], %[WR_LOCKED], 4f\n" /* <= 0: already write locked, bail */ + " sub %[val], %[val], 1 \n" /* counter-- */ + " scond %[val], [%[rwlock]] \n" + " bz.d 4f \n" + " mov.z %[got_it], 1 \n" /* got it */ + " \n" + SCOND_FAIL_RETRY_ASM + + : [val] "=&r" (val), + [got_it] "+&r" (got_it) + SCOND_FAIL_RETRY_VARS + : [rwlock] "r" (&(rw->counter)), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); + + return got_it; +} + +static inline void arch_write_lock(arch_rwlock_t *rw) +{ + unsigned int val; + SCOND_FAIL_RETRY_VAR_DEF; + + smp_mb(); + + /* + * If reader(s) hold lock (lock < __ARCH_RW_LOCK_UNLOCKED__), + * deny writer. Otherwise if unlocked grant to writer + * Hence the claim that Linux rwlocks are unfair to writers. + * (can be starved for an indefinite time by readers). + * + * if (rw->counter == __ARCH_RW_LOCK_UNLOCKED__) { + * rw->counter = 0; + * ret = 1; + * } + */ + + __asm__ __volatile__( + "0: mov %[delay], 1 \n" + "1: llock %[val], [%[rwlock]] \n" + " brne %[val], %[UNLOCKED], 0b \n" /* while !UNLOCKED spin */ + " mov %[val], %[WR_LOCKED] \n" + " scond %[val], [%[rwlock]] \n" + " bz 4f \n" + " \n" + SCOND_FAIL_RETRY_ASM + + : [val] "=&r" (val) + SCOND_FAIL_RETRY_VARS + : [rwlock] "r" (&(rw->counter)), + [UNLOCKED] "ir" (__ARCH_RW_LOCK_UNLOCKED__), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); +} + +/* 1 - lock taken successfully */ +static inline int arch_write_trylock(arch_rwlock_t *rw) +{ + unsigned int val, got_it = 0; + SCOND_FAIL_RETRY_VAR_DEF; + + smp_mb(); + + __asm__ __volatile__( + "0: mov %[delay], 1 \n" + "1: llock %[val], [%[rwlock]] \n" + " brne %[val], %[UNLOCKED], 4f \n" /* !UNLOCKED, bail */ + " mov %[val], %[WR_LOCKED] \n" + " scond %[val], [%[rwlock]] \n" + " bz.d 4f \n" + " mov.z %[got_it], 1 \n" /* got it */ + " \n" + SCOND_FAIL_RETRY_ASM + + : [val] "=&r" (val), + [got_it] "+&r" (got_it) + SCOND_FAIL_RETRY_VARS + : [rwlock] "r" (&(rw->counter)), + [UNLOCKED] "ir" (__ARCH_RW_LOCK_UNLOCKED__), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); + + return got_it; +} + +static inline void arch_read_unlock(arch_rwlock_t *rw) +{ + unsigned int val; + + smp_mb(); + + /* + * rw->counter++; + */ + __asm__ __volatile__( + "1: llock %[val], [%[rwlock]] \n" + " add %[val], %[val], 1 \n" + " scond %[val], [%[rwlock]] \n" + " bnz 1b \n" + " \n" + : [val] "=&r" (val) + : [rwlock] "r" (&(rw->counter)) + : "memory", "cc"); + + smp_mb(); +} + +static inline void arch_write_unlock(arch_rwlock_t *rw) +{ + unsigned int val; + + smp_mb(); + + /* + * rw->counter = __ARCH_RW_LOCK_UNLOCKED__; + */ + __asm__ __volatile__( + "1: llock %[val], [%[rwlock]] \n" + " scond %[UNLOCKED], [%[rwlock]]\n" + " bnz 1b \n" + " \n" + : [val] "=&r" (val) + : [rwlock] "r" (&(rw->counter)), + [UNLOCKED] "r" (__ARCH_RW_LOCK_UNLOCKED__) + : "memory", "cc"); + + smp_mb(); +} + +#undef SCOND_FAIL_RETRY_VAR_DEF +#undef SCOND_FAIL_RETRY_ASM +#undef SCOND_FAIL_RETRY_VARS + +#endif /* CONFIG_ARC_STAR_9000923308 */ + +#else /* !CONFIG_ARC_HAS_LLSC */ + +static inline void arch_spin_lock(arch_spinlock_t *lock) +{ + unsigned int val = __ARCH_SPIN_LOCK_LOCKED__; /* * This smp_mb() is technically superfluous, we only need the one @@ -33,7 +542,7 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) __asm__ __volatile__( "1: ex %0, [%1] \n" " breq %0, %2, 1b \n" - : "+&r" (tmp) + : "+&r" (val) : "r"(&(lock->slock)), "ir"(__ARCH_SPIN_LOCK_LOCKED__) : "memory"); @@ -48,26 +557,27 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) smp_mb(); } +/* 1 - lock taken successfully */ static inline int arch_spin_trylock(arch_spinlock_t *lock) { - unsigned int tmp = __ARCH_SPIN_LOCK_LOCKED__; + unsigned int val = __ARCH_SPIN_LOCK_LOCKED__; smp_mb(); __asm__ __volatile__( "1: ex %0, [%1] \n" - : "+r" (tmp) + : "+r" (val) : "r"(&(lock->slock)) : "memory"); smp_mb(); - return (tmp == __ARCH_SPIN_LOCK_UNLOCKED__); + return (val == __ARCH_SPIN_LOCK_UNLOCKED__); } static inline void arch_spin_unlock(arch_spinlock_t *lock) { - unsigned int tmp = __ARCH_SPIN_LOCK_UNLOCKED__; + unsigned int val = __ARCH_SPIN_LOCK_UNLOCKED__; /* * RELEASE barrier: given the instructions avail on ARCv2, full barrier @@ -77,7 +587,7 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) __asm__ __volatile__( " ex %0, [%1] \n" - : "+r" (tmp) + : "+r" (val) : "r"(&(lock->slock)) : "memory"); @@ -90,19 +600,12 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) /* * Read-write spinlocks, allowing multiple readers but only one writer. + * Unfair locking as Writers could be starved indefinitely by Reader(s) * * The spinlock itself is contained in @counter and access to it is * serialized with @lock_mutex. - * - * Unfair locking as Writers could be starved indefinitely by Reader(s) */ -/* Would read_trylock() succeed? */ -#define arch_read_can_lock(x) ((x)->counter > 0) - -/* Would write_trylock() succeed? */ -#define arch_write_can_lock(x) ((x)->counter == __ARCH_RW_LOCK_UNLOCKED__) - /* 1 - lock taken successfully */ static inline int arch_read_trylock(arch_rwlock_t *rw) { @@ -173,6 +676,11 @@ static inline void arch_write_unlock(arch_rwlock_t *rw) arch_spin_unlock(&(rw->lock_mutex)); } +#endif + +#define arch_read_can_lock(x) ((x)->counter > 0) +#define arch_write_can_lock(x) ((x)->counter == __ARCH_RW_LOCK_UNLOCKED__) + #define arch_read_lock_flags(lock, flags) arch_read_lock(lock) #define arch_write_lock_flags(lock, flags) arch_write_lock(lock) diff --git a/arch/arc/include/asm/spinlock_types.h b/arch/arc/include/asm/spinlock_types.h index 662627ced4f2..4e1ef5f650c6 100644 --- a/arch/arc/include/asm/spinlock_types.h +++ b/arch/arc/include/asm/spinlock_types.h @@ -26,7 +26,9 @@ typedef struct { */ typedef struct { volatile unsigned int counter; +#ifndef CONFIG_ARC_HAS_LLSC arch_spinlock_t lock_mutex; +#endif } arch_rwlock_t; #define __ARCH_RW_LOCK_UNLOCKED__ 0x01000000 diff --git a/arch/arc/include/uapi/asm/ptrace.h b/arch/arc/include/uapi/asm/ptrace.h index 76a7739aab1c..0b3ef63d4a03 100644 --- a/arch/arc/include/uapi/asm/ptrace.h +++ b/arch/arc/include/uapi/asm/ptrace.h @@ -32,20 +32,20 @@ */ struct user_regs_struct { - long pad; + unsigned long pad; struct { - long bta, lp_start, lp_end, lp_count; - long status32, ret, blink, fp, gp; - long r12, r11, r10, r9, r8, r7, r6, r5, r4, r3, r2, r1, r0; - long sp; + unsigned long bta, lp_start, lp_end, lp_count; + unsigned long status32, ret, blink, fp, gp; + unsigned long r12, r11, r10, r9, r8, r7, r6, r5, r4, r3, r2, r1, r0; + unsigned long sp; } scratch; - long pad2; + unsigned long pad2; struct { - long r25, r24, r23, r22, r21, r20; - long r19, r18, r17, r16, r15, r14, r13; + unsigned long r25, r24, r23, r22, r21, r20; + unsigned long r19, r18, r17, r16, r15, r14, r13; } callee; - long efa; /* break pt addr, for break points in delay slots */ - long stop_pc; /* give dbg stop_pc after ensuring brkpt trap */ + unsigned long efa; /* break pt addr, for break points in delay slots */ + unsigned long stop_pc; /* give dbg stop_pc after ensuring brkpt trap */ }; #endif /* !__ASSEMBLY__ */ diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c index 6208c630abed..26c156827479 100644 --- a/arch/arc/kernel/intc-arcv2.c +++ b/arch/arc/kernel/intc-arcv2.c @@ -12,7 +12,6 @@ #include <linux/of.h> #include <linux/irqdomain.h> #include <linux/irqchip.h> -#include "../../drivers/irqchip/irqchip.h" #include <asm/irq.h> /* diff --git a/arch/arc/kernel/intc-compact.c b/arch/arc/kernel/intc-compact.c index fcdddb631766..039fac30b5c1 100644 --- a/arch/arc/kernel/intc-compact.c +++ b/arch/arc/kernel/intc-compact.c @@ -12,7 +12,6 @@ #include <linux/of.h> #include <linux/irqdomain.h> #include <linux/irqchip.h> -#include "../../drivers/irqchip/irqchip.h" #include <asm/irq.h> /* diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c index 30284e8de6ff..2fb86589054d 100644 --- a/arch/arc/kernel/mcip.c +++ b/arch/arc/kernel/mcip.c @@ -175,7 +175,6 @@ void mcip_init_early_smp(void) #include <linux/irqchip.h> #include <linux/of.h> #include <linux/of_irq.h> -#include "../../drivers/irqchip/irqchip.h" /* * Set the DEST for @cmn_irq to @cpu_mask (1 bit per core) @@ -218,11 +217,28 @@ static void idu_irq_unmask(struct irq_data *data) raw_spin_unlock_irqrestore(&mcip_lock, flags); } +#ifdef CONFIG_SMP static int -idu_irq_set_affinity(struct irq_data *d, const struct cpumask *cpumask, bool f) +idu_irq_set_affinity(struct irq_data *data, const struct cpumask *cpumask, + bool force) { + unsigned long flags; + cpumask_t online; + + /* errout if no online cpu per @cpumask */ + if (!cpumask_and(&online, cpumask, cpu_online_mask)) + return -EINVAL; + + raw_spin_lock_irqsave(&mcip_lock, flags); + + idu_set_dest(data->hwirq, cpumask_bits(&online)[0]); + idu_set_mode(data->hwirq, IDU_M_TRIG_LEVEL, IDU_M_DISTRI_RR); + + raw_spin_unlock_irqrestore(&mcip_lock, flags); + return IRQ_SET_MASK_OK; } +#endif static struct irq_chip idu_irq_chip = { .name = "MCIP IDU Intc", @@ -330,8 +346,7 @@ idu_of_init(struct device_node *intc, struct device_node *parent) if (!i) idu_first_irq = irq; - irq_set_handler_data(irq, domain); - irq_set_chained_handler(irq, idu_cascade_isr); + irq_set_chained_handler_and_data(irq, idu_cascade_isr, domain); } __mcip_cmd(CMD_IDU_ENABLE, 0); diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index a3d186211ed3..cabde9dc0696 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -47,6 +47,7 @@ static void read_arc_build_cfg_regs(void) struct bcr_perip uncached_space; struct bcr_generic bcr; struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()]; + unsigned long perip_space; FIX_PTR(cpu); READ_BCR(AUX_IDENTITY, cpu->core); @@ -56,7 +57,12 @@ static void read_arc_build_cfg_regs(void) cpu->vec_base = read_aux_reg(AUX_INTR_VEC_BASE); READ_BCR(ARC_REG_D_UNCACH_BCR, uncached_space); - BUG_ON((uncached_space.start << 24) != ARC_UNCACHED_ADDR_SPACE); + if (uncached_space.ver < 3) + perip_space = uncached_space.start << 24; + else + perip_space = read_aux_reg(AUX_NON_VOL) & 0xF0000000; + + BUG_ON(perip_space != ARC_UNCACHED_ADDR_SPACE); READ_BCR(ARC_REG_MUL_BCR, cpu->extn_mpy); @@ -142,17 +148,22 @@ static void read_arc_build_cfg_regs(void) } static const struct cpuinfo_data arc_cpu_tbl[] = { +#ifdef CONFIG_ISA_ARCOMPACT { {0x20, "ARC 600" }, 0x2F}, { {0x30, "ARC 700" }, 0x33}, { {0x34, "ARC 700 R4.10"}, 0x34}, { {0x35, "ARC 700 R4.11"}, 0x35}, - { {0x50, "ARC HS38" }, 0x51}, +#else + { {0x50, "ARC HS38 R2.0"}, 0x51}, + { {0x52, "ARC HS38 R2.1"}, 0x52}, +#endif { {0x00, NULL } } }; -#define IS_AVAIL1(v, str) ((v) ? str : "") -#define IS_USED(cfg) (IS_ENABLED(cfg) ? "" : "(not used) ") -#define IS_AVAIL2(v, str, cfg) IS_AVAIL1(v, str), IS_AVAIL1(v, IS_USED(cfg)) +#define IS_AVAIL1(v, s) ((v) ? s : "") +#define IS_USED_RUN(v) ((v) ? "" : "(not used) ") +#define IS_USED_CFG(cfg) IS_USED_RUN(IS_ENABLED(cfg)) +#define IS_AVAIL2(v, s, cfg) IS_AVAIL1(v, s), IS_AVAIL1(v, IS_USED_CFG(cfg)) static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) { @@ -226,7 +237,7 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) n += scnprintf(buf + n, len - n, "mpy[opt %d] ", opt); } n += scnprintf(buf + n, len - n, "%s", - IS_USED(CONFIG_ARC_HAS_HW_MPY)); + IS_USED_CFG(CONFIG_ARC_HAS_HW_MPY)); } n += scnprintf(buf + n, len - n, "%s%s%s%s%s%s%s%s\n", @@ -325,6 +336,10 @@ static void arc_chk_core_config(void) pr_warn("CONFIG_ARC_FPU_SAVE_RESTORE needed for working apps\n"); else if (!cpu->extn.fpu_dp && fpu_enabled) panic("FPU non-existent, disable CONFIG_ARC_FPU_SAVE_RESTORE\n"); + + if (is_isa_arcv2() && IS_ENABLED(CONFIG_SMP) && cpu->isa.atomic && + !IS_ENABLED(CONFIG_ARC_STAR_9000923308)) + panic("llock/scond livelock workaround missing\n"); } /* diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c index 3364d2bbc515..4294761a2b3e 100644 --- a/arch/arc/kernel/time.c +++ b/arch/arc/kernel/time.c @@ -203,34 +203,24 @@ static int arc_clkevent_set_next_event(unsigned long delta, return 0; } -static void arc_clkevent_set_mode(enum clock_event_mode mode, - struct clock_event_device *dev) +static int arc_clkevent_set_periodic(struct clock_event_device *dev) { - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - /* - * At X Hz, 1 sec = 1000ms -> X cycles; - * 10ms -> X / 100 cycles - */ - arc_timer_event_setup(arc_get_core_freq() / HZ); - break; - case CLOCK_EVT_MODE_ONESHOT: - break; - default: - break; - } - - return; + /* + * At X Hz, 1 sec = 1000ms -> X cycles; + * 10ms -> X / 100 cycles + */ + arc_timer_event_setup(arc_get_core_freq() / HZ); + return 0; } static DEFINE_PER_CPU(struct clock_event_device, arc_clockevent_device) = { - .name = "ARC Timer0", - .features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_PERIODIC, - .mode = CLOCK_EVT_MODE_UNUSED, - .rating = 300, - .irq = TIMER0_IRQ, /* hardwired, no need for resources */ - .set_next_event = arc_clkevent_set_next_event, - .set_mode = arc_clkevent_set_mode, + .name = "ARC Timer0", + .features = CLOCK_EVT_FEAT_ONESHOT | + CLOCK_EVT_FEAT_PERIODIC, + .rating = 300, + .irq = TIMER0_IRQ, /* hardwired, no need for resources */ + .set_next_event = arc_clkevent_set_next_event, + .set_state_periodic = arc_clkevent_set_periodic, }; static irqreturn_t timer_irq_handler(int irq, void *dev_id) @@ -240,7 +230,7 @@ static irqreturn_t timer_irq_handler(int irq, void *dev_id) * irq_set_chip_and_handler() asked for handle_percpu_devid_irq() */ struct clock_event_device *evt = this_cpu_ptr(&arc_clockevent_device); - int irq_reenable = evt->mode == CLOCK_EVT_MODE_PERIODIC; + int irq_reenable = clockevent_state_periodic(evt); /* * Any write to CTRL reg ACks the interrupt, we rewrite the diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c index 807f7d61d7a7..a6f91e88ce36 100644 --- a/arch/arc/kernel/troubleshoot.c +++ b/arch/arc/kernel/troubleshoot.c @@ -58,7 +58,6 @@ static void show_callee_regs(struct callee_regs *cregs) static void print_task_path_n_nm(struct task_struct *tsk, char *buf) { - struct path path; char *path_nm = NULL; struct mm_struct *mm; struct file *exe_file; diff --git a/arch/arc/lib/memcpy-archs.S b/arch/arc/lib/memcpy-archs.S index 1b2b3acfed52..0cab0b8a57c5 100644 --- a/arch/arc/lib/memcpy-archs.S +++ b/arch/arc/lib/memcpy-archs.S @@ -206,7 +206,7 @@ unalignedOffby3: ld.ab r6, [r1, 4] prefetch [r1, 28] ;Prefetch the next read location ld.ab r8, [r1,4] - prefetch [r3, 32] ;Prefetch the next write location + prefetchw [r3, 32] ;Prefetch the next write location SHIFT_1 (r7, r6, 8) or r7, r7, r5 diff --git a/arch/arc/lib/memset-archs.S b/arch/arc/lib/memset-archs.S index 92d573c734b5..365b18364815 100644 --- a/arch/arc/lib/memset-archs.S +++ b/arch/arc/lib/memset-archs.S @@ -10,12 +10,6 @@ #undef PREALLOC_NOT_AVAIL -#ifdef PREALLOC_NOT_AVAIL -#define PREWRITE(A,B) prefetchw [(A),(B)] -#else -#define PREWRITE(A,B) prealloc [(A),(B)] -#endif - ENTRY(memset) prefetchw [r0] ; Prefetch the write location mov.f 0, r2 @@ -51,9 +45,15 @@ ENTRY(memset) ;;; Convert len to Dwords, unfold x8 lsr.f lp_count, lp_count, 6 + lpnz @.Lset64bytes ;; LOOP START - PREWRITE(r3, 64) ;Prefetch the next write location +#ifdef PREALLOC_NOT_AVAIL + prefetchw [r3, 64] ;Prefetch the next write location +#else + prealloc [r3, 64] +#endif +#ifdef CONFIG_ARC_HAS_LL64 std.ab r4, [r3, 8] std.ab r4, [r3, 8] std.ab r4, [r3, 8] @@ -62,16 +62,45 @@ ENTRY(memset) std.ab r4, [r3, 8] std.ab r4, [r3, 8] std.ab r4, [r3, 8] +#else + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] +#endif .Lset64bytes: lsr.f lp_count, r2, 5 ;Last remaining max 124 bytes lpnz .Lset32bytes ;; LOOP START prefetchw [r3, 32] ;Prefetch the next write location +#ifdef CONFIG_ARC_HAS_LL64 std.ab r4, [r3, 8] std.ab r4, [r3, 8] std.ab r4, [r3, 8] std.ab r4, [r3, 8] +#else + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] +#endif .Lset32bytes: and.f lp_count, r2, 0x1F ;Last remaining 31 bytes diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c index b29d62ed4f7e..1cd6695b6ab5 100644 --- a/arch/arc/mm/cache.c +++ b/arch/arc/mm/cache.c @@ -468,10 +468,18 @@ static void __ic_line_inv_vaddr(unsigned long paddr, unsigned long vaddr, noinline void slc_op(unsigned long paddr, unsigned long sz, const int op) { #ifdef CONFIG_ISA_ARCV2 + /* + * SLC is shared between all cores and concurrent aux operations from + * multiple cores need to be serialized using a spinlock + * A concurrent operation can be silently ignored and/or the old/new + * operation can remain incomplete forever (lockup in SLC_CTRL_BUSY loop + * below) + */ + static DEFINE_SPINLOCK(lock); unsigned long flags; unsigned int ctrl; - local_irq_save(flags); + spin_lock_irqsave(&lock, flags); /* * The Region Flush operation is specified by CTRL.RGN_OP[11..9] @@ -504,7 +512,7 @@ noinline void slc_op(unsigned long paddr, unsigned long sz, const int op) while (read_aux_reg(ARC_REG_SLC_CTRL) & SLC_CTRL_BUSY); - local_irq_restore(flags); + spin_unlock_irqrestore(&lock, flags); #endif } diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c index 74a637a1cfc4..57706a9c6948 100644 --- a/arch/arc/mm/dma.c +++ b/arch/arc/mm/dma.c @@ -60,8 +60,8 @@ void *dma_alloc_coherent(struct device *dev, size_t size, /* This is kernel Virtual address (0x7000_0000 based) */ kvaddr = ioremap_nocache((unsigned long)paddr, size); - if (kvaddr != NULL) - memset(kvaddr, 0, size); + if (kvaddr == NULL) + return NULL; /* This is bus address, platform dependent */ *dma_handle = (dma_addr_t)paddr; diff --git a/arch/arc/plat-axs10x/axs10x.c b/arch/arc/plat-axs10x/axs10x.c index 99f7da513a48..e7769c3ab5f2 100644 --- a/arch/arc/plat-axs10x/axs10x.c +++ b/arch/arc/plat-axs10x/axs10x.c @@ -389,6 +389,21 @@ axs103_set_freq(unsigned int id, unsigned int fd, unsigned int od) static void __init axs103_early_init(void) { + /* + * AXS103 configurations for SMP/QUAD configurations share device tree + * which defaults to 90 MHz. However recent failures of Quad config + * revealed P&R timing violations so clamp it down to safe 50 MHz + * Instead of duplicating defconfig/DT for SMP/QUAD, add a small hack + * + * This hack is really hacky as of now. Fix it properly by getting the + * number of cores as return value of platform's early SMP callback + */ +#ifdef CONFIG_ARC_MCIP + unsigned int num_cores = (read_aux_reg(ARC_REG_MCIP_BCR) >> 16) & 0x3F; + if (num_cores > 2) + arc_set_core_freq(50 * 1000000); +#endif + switch (arc_get_core_freq()/1000000) { case 33: axs103_set_freq(1, 1, 1); diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index a750c1425c3a..1c5021002fe4 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1693,6 +1693,12 @@ config HIGHMEM config HIGHPTE bool "Allocate 2nd-level pagetables from highmem" depends on HIGHMEM + help + The VM uses one page of physical memory for each page table. + For systems with a lot of processes, this can use a lot of + precious low memory, eventually leading to low memory being + consumed by page tables. Setting this option will allow + user-space 2nd level page tables to reside in high memory. config HW_PERF_EVENTS bool "Enable hardware performance counter support for perf events" diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index f1b157971366..a2e16f940394 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -1635,7 +1635,7 @@ config PID_IN_CONTEXTIDR config DEBUG_SET_MODULE_RONX bool "Set loadable kernel module data as NX and text as RO" - depends on MODULES + depends on MODULES && MMU ---help--- This option helps catch unintended modifications to loadable kernel module's text and read-only data. It also prevents execution diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 07ab3d203916..7451b447cc2d 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -312,6 +312,9 @@ INSTALL_TARGETS = zinstall uinstall install PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS) +bootpImage uImage: zImage +zImage: Image + $(BOOT_TARGETS): vmlinux $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts index 901739fcb85a..5c42d259fa68 100644 --- a/arch/arm/boot/dts/am335x-boneblack.dts +++ b/arch/arm/boot/dts/am335x-boneblack.dts @@ -80,3 +80,7 @@ status = "okay"; }; }; + +&rtc { + system-power-controller; +}; diff --git a/arch/arm/boot/dts/am335x-pepper.dts b/arch/arm/boot/dts/am335x-pepper.dts index 0d35ab64641c..7106114c7464 100644 --- a/arch/arm/boot/dts/am335x-pepper.dts +++ b/arch/arm/boot/dts/am335x-pepper.dts @@ -74,6 +74,7 @@ audio_codec: tlv320aic3106@1b { compatible = "ti,tlv320aic3106"; reg = <0x1b>; + ai3x-micbias-vg = <0x2>; }; accel: lis331dlh@1d { @@ -153,7 +154,7 @@ ti,audio-routing = "Headphone Jack", "HPLOUT", "Headphone Jack", "HPROUT", - "LINE1L", "Line In"; + "MIC3L", "Mic3L Switch"; }; &mcasp0 { @@ -438,41 +439,50 @@ regulators { dcdc1_reg: regulator@0 { /* VDD_1V8 system supply */ + regulator-always-on; }; dcdc2_reg: regulator@1 { /* VDD_CORE voltage limits 0.95V - 1.26V with +/-4% tolerance */ regulator-name = "vdd_core"; regulator-min-microvolt = <925000>; - regulator-max-microvolt = <1325000>; + regulator-max-microvolt = <1150000>; regulator-boot-on; + regulator-always-on; }; dcdc3_reg: regulator@2 { /* VDD_MPU voltage limits 0.95V - 1.1V with +/-4% tolerance */ regulator-name = "vdd_mpu"; regulator-min-microvolt = <925000>; - regulator-max-microvolt = <1150000>; + regulator-max-microvolt = <1325000>; regulator-boot-on; + regulator-always-on; }; ldo1_reg: regulator@3 { /* VRTC 1.8V always-on supply */ + regulator-name = "vrtc,vdds"; regulator-always-on; }; ldo2_reg: regulator@4 { /* 3.3V rail */ + regulator-name = "vdd_3v3aux"; + regulator-always-on; }; ldo3_reg: regulator@5 { /* VDD_3V3A 3.3V rail */ + regulator-name = "vdd_3v3a"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; ldo4_reg: regulator@6 { /* VDD_3V3B 3.3V rail */ + regulator-name = "vdd_3v3b"; + regulator-always-on; }; }; }; diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index c80a3e233792..ade28c790f4b 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -132,6 +132,12 @@ }; }; + emif: emif@4c000000 { + compatible = "ti,emif-am4372"; + reg = <0x4c000000 0x1000000>; + ti,hwmods = "emif"; + }; + edma: edma@49000000 { compatible = "ti,edma3"; ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2"; @@ -941,6 +947,7 @@ ti,hwmods = "dss_rfbi"; clocks = <&disp_clk>; clock-names = "fck"; + status = "disabled"; }; }; diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts index a42cc377a862..a63bf78191ea 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts @@ -605,6 +605,10 @@ phy-supply = <&ldousb_reg>; }; +&usb2_phy2 { + phy-supply = <&ldousb_reg>; +}; + &usb1 { dr_mode = "host"; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/atlas7.dtsi b/arch/arm/boot/dts/atlas7.dtsi index 5dfd3a44bf82..3e21311f9514 100644 --- a/arch/arm/boot/dts/atlas7.dtsi +++ b/arch/arm/boot/dts/atlas7.dtsi @@ -135,6 +135,1025 @@ compatible = "sirf,atlas7-ioc"; reg = <0x18880000 0x1000>, <0x10E40000 0x1000>; + + audio_ac97_pmx: audio_ac97@0 { + audio_ac97 { + groups = "audio_ac97_grp"; + function = "audio_ac97"; + }; + }; + + audio_func_dbg_pmx: audio_func_dbg@0 { + audio_func_dbg { + groups = "audio_func_dbg_grp"; + function = "audio_func_dbg"; + }; + }; + + audio_i2s_pmx: audio_i2s@0 { + audio_i2s { + groups = "audio_i2s_grp"; + function = "audio_i2s"; + }; + }; + + audio_i2s_2ch_pmx: audio_i2s_2ch@0 { + audio_i2s_2ch { + groups = "audio_i2s_2ch_grp"; + function = "audio_i2s_2ch"; + }; + }; + + audio_i2s_extclk_pmx: audio_i2s_extclk@0 { + audio_i2s_extclk { + groups = "audio_i2s_extclk_grp"; + function = "audio_i2s_extclk"; + }; + }; + + audio_uart0_pmx: audio_uart0@0 { + audio_uart0 { + groups = "audio_uart0_grp"; + function = "audio_uart0"; + }; + }; + + audio_uart1_pmx: audio_uart1@0 { + audio_uart1 { + groups = "audio_uart1_grp"; + function = "audio_uart1"; + }; + }; + + audio_uart2_pmx0: audio_uart2@0 { + audio_uart2_0 { + groups = "audio_uart2_grp0"; + function = "audio_uart2_m0"; + }; + }; + + audio_uart2_pmx1: audio_uart2@1 { + audio_uart2_1 { + groups = "audio_uart2_grp1"; + function = "audio_uart2_m1"; + }; + }; + + c_can_trnsvr_pmx: c_can_trnsvr@0 { + c_can_trnsvr { + groups = "c_can_trnsvr_grp"; + function = "c_can_trnsvr"; + }; + }; + + c0_can_pmx0: c0_can@0 { + c0_can_0 { + groups = "c0_can_grp0"; + function = "c0_can_m0"; + }; + }; + + c0_can_pmx1: c0_can@1 { + c0_can_1 { + groups = "c0_can_grp1"; + function = "c0_can_m1"; + }; + }; + + c1_can_pmx0: c1_can@0 { + c1_can_0 { + groups = "c1_can_grp0"; + function = "c1_can_m0"; + }; + }; + + c1_can_pmx1: c1_can@1 { + c1_can_1 { + groups = "c1_can_grp1"; + function = "c1_can_m1"; + }; + }; + + c1_can_pmx2: c1_can@2 { + c1_can_2 { + groups = "c1_can_grp2"; + function = "c1_can_m2"; + }; + }; + + ca_audio_lpc_pmx: ca_audio_lpc@0 { + ca_audio_lpc { + groups = "ca_audio_lpc_grp"; + function = "ca_audio_lpc"; + }; + }; + + ca_bt_lpc_pmx: ca_bt_lpc@0 { + ca_bt_lpc { + groups = "ca_bt_lpc_grp"; + function = "ca_bt_lpc"; + }; + }; + + ca_coex_pmx: ca_coex@0 { + ca_coex { + groups = "ca_coex_grp"; + function = "ca_coex"; + }; + }; + + ca_curator_lpc_pmx: ca_curator_lpc@0 { + ca_curator_lpc { + groups = "ca_curator_lpc_grp"; + function = "ca_curator_lpc"; + }; + }; + + ca_pcm_debug_pmx: ca_pcm_debug@0 { + ca_pcm_debug { + groups = "ca_pcm_debug_grp"; + function = "ca_pcm_debug"; + }; + }; + + ca_pio_pmx: ca_pio@0 { + ca_pio { + groups = "ca_pio_grp"; + function = "ca_pio"; + }; + }; + + ca_sdio_debug_pmx: ca_sdio_debug@0 { + ca_sdio_debug { + groups = "ca_sdio_debug_grp"; + function = "ca_sdio_debug"; + }; + }; + + ca_spi_pmx: ca_spi@0 { + ca_spi { + groups = "ca_spi_grp"; + function = "ca_spi"; + }; + }; + + ca_trb_pmx: ca_trb@0 { + ca_trb { + groups = "ca_trb_grp"; + function = "ca_trb"; + }; + }; + + ca_uart_debug_pmx: ca_uart_debug@0 { + ca_uart_debug { + groups = "ca_uart_debug_grp"; + function = "ca_uart_debug"; + }; + }; + + clkc_pmx0: clkc@0 { + clkc_0 { + groups = "clkc_grp0"; + function = "clkc_m0"; + }; + }; + + clkc_pmx1: clkc@1 { + clkc_1 { + groups = "clkc_grp1"; + function = "clkc_m1"; + }; + }; + + gn_gnss_i2c_pmx: gn_gnss_i2c@0 { + gn_gnss_i2c { + groups = "gn_gnss_i2c_grp"; + function = "gn_gnss_i2c"; + }; + }; + + gn_gnss_uart_nopause_pmx: gn_gnss_uart_nopause@0 { + gn_gnss_uart_nopause { + groups = "gn_gnss_uart_nopause_grp"; + function = "gn_gnss_uart_nopause"; + }; + }; + + gn_gnss_uart_pmx: gn_gnss_uart@0 { + gn_gnss_uart { + groups = "gn_gnss_uart_grp"; + function = "gn_gnss_uart"; + }; + }; + + gn_trg_spi_pmx0: gn_trg_spi@0 { + gn_trg_spi_0 { + groups = "gn_trg_spi_grp0"; + function = "gn_trg_spi_m0"; + }; + }; + + gn_trg_spi_pmx1: gn_trg_spi@1 { + gn_trg_spi_1 { + groups = "gn_trg_spi_grp1"; + function = "gn_trg_spi_m1"; + }; + }; + + cvbs_dbg_pmx: cvbs_dbg@0 { + cvbs_dbg { + groups = "cvbs_dbg_grp"; + function = "cvbs_dbg"; + }; + }; + + cvbs_dbg_test_pmx0: cvbs_dbg_test@0 { + cvbs_dbg_test_0 { + groups = "cvbs_dbg_test_grp0"; + function = "cvbs_dbg_test_m0"; + }; + }; + + cvbs_dbg_test_pmx1: cvbs_dbg_test@1 { + cvbs_dbg_test_1 { + groups = "cvbs_dbg_test_grp1"; + function = "cvbs_dbg_test_m1"; + }; + }; + + cvbs_dbg_test_pmx2: cvbs_dbg_test@2 { + cvbs_dbg_test_2 { + groups = "cvbs_dbg_test_grp2"; + function = "cvbs_dbg_test_m2"; + }; + }; + + cvbs_dbg_test_pmx3: cvbs_dbg_test@3 { + cvbs_dbg_test_3 { + groups = "cvbs_dbg_test_grp3"; + function = "cvbs_dbg_test_m3"; + }; + }; + + cvbs_dbg_test_pmx4: cvbs_dbg_test@4 { + cvbs_dbg_test_4 { + groups = "cvbs_dbg_test_grp4"; + function = "cvbs_dbg_test_m4"; + }; + }; + + cvbs_dbg_test_pmx5: cvbs_dbg_test@5 { + cvbs_dbg_test_5 { + groups = "cvbs_dbg_test_grp5"; + function = "cvbs_dbg_test_m5"; + }; + }; + + cvbs_dbg_test_pmx6: cvbs_dbg_test@6 { + cvbs_dbg_test_6 { + groups = "cvbs_dbg_test_grp6"; + function = "cvbs_dbg_test_m6"; + }; + }; + + cvbs_dbg_test_pmx7: cvbs_dbg_test@7 { + cvbs_dbg_test_7 { + groups = "cvbs_dbg_test_grp7"; + function = "cvbs_dbg_test_m7"; + }; + }; + + cvbs_dbg_test_pmx8: cvbs_dbg_test@8 { + cvbs_dbg_test_8 { + groups = "cvbs_dbg_test_grp8"; + function = "cvbs_dbg_test_m8"; + }; + }; + + cvbs_dbg_test_pmx9: cvbs_dbg_test@9 { + cvbs_dbg_test_9 { + groups = "cvbs_dbg_test_grp9"; + function = "cvbs_dbg_test_m9"; + }; + }; + + cvbs_dbg_test_pmx10: cvbs_dbg_test@10 { + cvbs_dbg_test_10 { + groups = "cvbs_dbg_test_grp10"; + function = "cvbs_dbg_test_m10"; + }; + }; + + cvbs_dbg_test_pmx11: cvbs_dbg_test@11 { + cvbs_dbg_test_11 { + groups = "cvbs_dbg_test_grp11"; + function = "cvbs_dbg_test_m11"; + }; + }; + + cvbs_dbg_test_pmx12: cvbs_dbg_test@12 { + cvbs_dbg_test_12 { + groups = "cvbs_dbg_test_grp12"; + function = "cvbs_dbg_test_m12"; + }; + }; + + cvbs_dbg_test_pmx13: cvbs_dbg_test@13 { + cvbs_dbg_test_13 { + groups = "cvbs_dbg_test_grp13"; + function = "cvbs_dbg_test_m13"; + }; + }; + + cvbs_dbg_test_pmx14: cvbs_dbg_test@14 { + cvbs_dbg_test_14 { + groups = "cvbs_dbg_test_grp14"; + function = "cvbs_dbg_test_m14"; + }; + }; + + cvbs_dbg_test_pmx15: cvbs_dbg_test@15 { + cvbs_dbg_test_15 { + groups = "cvbs_dbg_test_grp15"; + function = "cvbs_dbg_test_m15"; + }; + }; + + gn_gnss_power_pmx: gn_gnss_power@0 { + gn_gnss_power { + groups = "gn_gnss_power_grp"; + function = "gn_gnss_power"; + }; + }; + + gn_gnss_sw_status_pmx: gn_gnss_sw_status@0 { + gn_gnss_sw_status { + groups = "gn_gnss_sw_status_grp"; + function = "gn_gnss_sw_status"; + }; + }; + + gn_gnss_eclk_pmx: gn_gnss_eclk@0 { + gn_gnss_eclk { + groups = "gn_gnss_eclk_grp"; + function = "gn_gnss_eclk"; + }; + }; + + gn_gnss_irq1_pmx0: gn_gnss_irq1@0 { + gn_gnss_irq1_0 { + groups = "gn_gnss_irq1_grp0"; + function = "gn_gnss_irq1_m0"; + }; + }; + + gn_gnss_irq2_pmx0: gn_gnss_irq2@0 { + gn_gnss_irq2_0 { + groups = "gn_gnss_irq2_grp0"; + function = "gn_gnss_irq2_m0"; + }; + }; + + gn_gnss_tm_pmx: gn_gnss_tm@0 { + gn_gnss_tm { + groups = "gn_gnss_tm_grp"; + function = "gn_gnss_tm"; + }; + }; + + gn_gnss_tsync_pmx: gn_gnss_tsync@0 { + gn_gnss_tsync { + groups = "gn_gnss_tsync_grp"; + function = "gn_gnss_tsync"; + }; + }; + + gn_io_gnsssys_sw_cfg_pmx: gn_io_gnsssys_sw_cfg@0 { + gn_io_gnsssys_sw_cfg { + groups = "gn_io_gnsssys_sw_cfg_grp"; + function = "gn_io_gnsssys_sw_cfg"; + }; + }; + + gn_trg_pmx0: gn_trg@0 { + gn_trg_0 { + groups = "gn_trg_grp0"; + function = "gn_trg_m0"; + }; + }; + + gn_trg_pmx1: gn_trg@1 { + gn_trg_1 { + groups = "gn_trg_grp1"; + function = "gn_trg_m1"; + }; + }; + + gn_trg_shutdown_pmx0: gn_trg_shutdown@0 { + gn_trg_shutdown_0 { + groups = "gn_trg_shutdown_grp0"; + function = "gn_trg_shutdown_m0"; + }; + }; + + gn_trg_shutdown_pmx1: gn_trg_shutdown@1 { + gn_trg_shutdown_1 { + groups = "gn_trg_shutdown_grp1"; + function = "gn_trg_shutdown_m1"; + }; + }; + + gn_trg_shutdown_pmx2: gn_trg_shutdown@2 { + gn_trg_shutdown_2 { + groups = "gn_trg_shutdown_grp2"; + function = "gn_trg_shutdown_m2"; + }; + }; + + gn_trg_shutdown_pmx3: gn_trg_shutdown@3 { + gn_trg_shutdown_3 { + groups = "gn_trg_shutdown_grp3"; + function = "gn_trg_shutdown_m3"; + }; + }; + + i2c0_pmx: i2c0@0 { + i2c0 { + groups = "i2c0_grp"; + function = "i2c0"; + }; + }; + + i2c1_pmx: i2c1@0 { + i2c1 { + groups = "i2c1_grp"; + function = "i2c1"; + }; + }; + + jtag_pmx0: jtag@0 { + jtag_0 { + groups = "jtag_grp0"; + function = "jtag_m0"; + }; + }; + + ks_kas_spi_pmx0: ks_kas_spi@0 { + ks_kas_spi_0 { + groups = "ks_kas_spi_grp0"; + function = "ks_kas_spi_m0"; + }; + }; + + ld_ldd_pmx: ld_ldd@0 { + ld_ldd { + groups = "ld_ldd_grp"; + function = "ld_ldd"; + }; + }; + + ld_ldd_16bit_pmx: ld_ldd_16bit@0 { + ld_ldd_16bit { + groups = "ld_ldd_16bit_grp"; + function = "ld_ldd_16bit"; + }; + }; + + ld_ldd_fck_pmx: ld_ldd_fck@0 { + ld_ldd_fck { + groups = "ld_ldd_fck_grp"; + function = "ld_ldd_fck"; + }; + }; + + ld_ldd_lck_pmx: ld_ldd_lck@0 { + ld_ldd_lck { + groups = "ld_ldd_lck_grp"; + function = "ld_ldd_lck"; + }; + }; + + lr_lcdrom_pmx: lr_lcdrom@0 { + lr_lcdrom { + groups = "lr_lcdrom_grp"; + function = "lr_lcdrom"; + }; + }; + + lvds_analog_pmx: lvds_analog@0 { + lvds_analog { + groups = "lvds_analog_grp"; + function = "lvds_analog"; + }; + }; + + nd_df_pmx: nd_df@0 { + nd_df { + groups = "nd_df_grp"; + function = "nd_df"; + }; + }; + + nd_df_nowp_pmx: nd_df_nowp@0 { + nd_df_nowp { + groups = "nd_df_nowp_grp"; + function = "nd_df_nowp"; + }; + }; + + ps_pmx: ps@0 { + ps { + groups = "ps_grp"; + function = "ps"; + }; + }; + + pwc_core_on_pmx: pwc_core_on@0 { + pwc_core_on { + groups = "pwc_core_on_grp"; + function = "pwc_core_on"; + }; + }; + + pwc_ext_on_pmx: pwc_ext_on@0 { + pwc_ext_on { + groups = "pwc_ext_on_grp"; + function = "pwc_ext_on"; + }; + }; + + pwc_gpio3_clk_pmx: pwc_gpio3_clk@0 { + pwc_gpio3_clk { + groups = "pwc_gpio3_clk_grp"; + function = "pwc_gpio3_clk"; + }; + }; + + pwc_io_on_pmx: pwc_io_on@0 { + pwc_io_on { + groups = "pwc_io_on_grp"; + function = "pwc_io_on"; + }; + }; + + pwc_lowbatt_b_pmx0: pwc_lowbatt_b@0 { + pwc_lowbatt_b_0 { + groups = "pwc_lowbatt_b_grp0"; + function = "pwc_lowbatt_b_m0"; + }; + }; + + pwc_mem_on_pmx: pwc_mem_on@0 { + pwc_mem_on { + groups = "pwc_mem_on_grp"; + function = "pwc_mem_on"; + }; + }; + + pwc_on_key_b_pmx0: pwc_on_key_b@0 { + pwc_on_key_b_0 { + groups = "pwc_on_key_b_grp0"; + function = "pwc_on_key_b_m0"; + }; + }; + + pwc_wakeup_src0_pmx: pwc_wakeup_src0@0 { + pwc_wakeup_src0 { + groups = "pwc_wakeup_src0_grp"; + function = "pwc_wakeup_src0"; + }; + }; + + pwc_wakeup_src1_pmx: pwc_wakeup_src1@0 { + pwc_wakeup_src1 { + groups = "pwc_wakeup_src1_grp"; + function = "pwc_wakeup_src1"; + }; + }; + + pwc_wakeup_src2_pmx: pwc_wakeup_src2@0 { + pwc_wakeup_src2 { + groups = "pwc_wakeup_src2_grp"; + function = "pwc_wakeup_src2"; + }; + }; + + pwc_wakeup_src3_pmx: pwc_wakeup_src3@0 { + pwc_wakeup_src3 { + groups = "pwc_wakeup_src3_grp"; + function = "pwc_wakeup_src3"; + }; + }; + + pw_cko0_pmx0: pw_cko0@0 { + pw_cko0_0 { + groups = "pw_cko0_grp0"; + function = "pw_cko0_m0"; + }; + }; + + pw_cko0_pmx1: pw_cko0@1 { + pw_cko0_1 { + groups = "pw_cko0_grp1"; + function = "pw_cko0_m1"; + }; + }; + + pw_cko0_pmx2: pw_cko0@2 { + pw_cko0_2 { + groups = "pw_cko0_grp2"; + function = "pw_cko0_m2"; + }; + }; + + pw_cko1_pmx0: pw_cko1@0 { + pw_cko1_0 { + groups = "pw_cko1_grp0"; + function = "pw_cko1_m0"; + }; + }; + + pw_cko1_pmx1: pw_cko1@1 { + pw_cko1_1 { + groups = "pw_cko1_grp1"; + function = "pw_cko1_m1"; + }; + }; + + pw_i2s01_clk_pmx0: pw_i2s01_clk@0 { + pw_i2s01_clk_0 { + groups = "pw_i2s01_clk_grp0"; + function = "pw_i2s01_clk_m0"; + }; + }; + + pw_i2s01_clk_pmx1: pw_i2s01_clk@1 { + pw_i2s01_clk_1 { + groups = "pw_i2s01_clk_grp1"; + function = "pw_i2s01_clk_m1"; + }; + }; + + pw_pwm0_pmx: pw_pwm0@0 { + pw_pwm0 { + groups = "pw_pwm0_grp"; + function = "pw_pwm0"; + }; + }; + + pw_pwm1_pmx: pw_pwm1@0 { + pw_pwm1 { + groups = "pw_pwm1_grp"; + function = "pw_pwm1"; + }; + }; + + pw_pwm2_pmx0: pw_pwm2@0 { + pw_pwm2_0 { + groups = "pw_pwm2_grp0"; + function = "pw_pwm2_m0"; + }; + }; + + pw_pwm2_pmx1: pw_pwm2@1 { + pw_pwm2_1 { + groups = "pw_pwm2_grp1"; + function = "pw_pwm2_m1"; + }; + }; + + pw_pwm3_pmx0: pw_pwm3@0 { + pw_pwm3_0 { + groups = "pw_pwm3_grp0"; + function = "pw_pwm3_m0"; + }; + }; + + pw_pwm3_pmx1: pw_pwm3@1 { + pw_pwm3_1 { + groups = "pw_pwm3_grp1"; + function = "pw_pwm3_m1"; + }; + }; + + pw_pwm_cpu_vol_pmx0: pw_pwm_cpu_vol@0 { + pw_pwm_cpu_vol_0 { + groups = "pw_pwm_cpu_vol_grp0"; + function = "pw_pwm_cpu_vol_m0"; + }; + }; + + pw_pwm_cpu_vol_pmx1: pw_pwm_cpu_vol@1 { + pw_pwm_cpu_vol_1 { + groups = "pw_pwm_cpu_vol_grp1"; + function = "pw_pwm_cpu_vol_m1"; + }; + }; + + pw_backlight_pmx0: pw_backlight@0 { + pw_backlight_0 { + groups = "pw_backlight_grp0"; + function = "pw_backlight_m0"; + }; + }; + + pw_backlight_pmx1: pw_backlight@1 { + pw_backlight_1 { + groups = "pw_backlight_grp1"; + function = "pw_backlight_m1"; + }; + }; + + rg_eth_mac_pmx: rg_eth_mac@0 { + rg_eth_mac { + groups = "rg_eth_mac_grp"; + function = "rg_eth_mac"; + }; + }; + + rg_gmac_phy_intr_n_pmx: rg_gmac_phy_intr_n@0 { + rg_gmac_phy_intr_n { + groups = "rg_gmac_phy_intr_n_grp"; + function = "rg_gmac_phy_intr_n"; + }; + }; + + rg_rgmii_mac_pmx: rg_rgmii_mac@0 { + rg_rgmii_mac { + groups = "rg_rgmii_mac_grp"; + function = "rg_rgmii_mac"; + }; + }; + + rg_rgmii_phy_ref_clk_pmx0: rg_rgmii_phy_ref_clk@0 { + rg_rgmii_phy_ref_clk_0 { + groups = + "rg_rgmii_phy_ref_clk_grp0"; + function = + "rg_rgmii_phy_ref_clk_m0"; + }; + }; + + rg_rgmii_phy_ref_clk_pmx1: rg_rgmii_phy_ref_clk@1 { + rg_rgmii_phy_ref_clk_1 { + groups = + "rg_rgmii_phy_ref_clk_grp1"; + function = + "rg_rgmii_phy_ref_clk_m1"; + }; + }; + + sd0_pmx: sd0@0 { + sd0 { + groups = "sd0_grp"; + function = "sd0"; + }; + }; + + sd0_4bit_pmx: sd0_4bit@0 { + sd0_4bit { + groups = "sd0_4bit_grp"; + function = "sd0_4bit"; + }; + }; + + sd1_pmx: sd1@0 { + sd1 { + groups = "sd1_grp"; + function = "sd1"; + }; + }; + + sd1_4bit_pmx0: sd1_4bit@0 { + sd1_4bit_0 { + groups = "sd1_4bit_grp0"; + function = "sd1_4bit_m0"; + }; + }; + + sd1_4bit_pmx1: sd1_4bit@1 { + sd1_4bit_1 { + groups = "sd1_4bit_grp1"; + function = "sd1_4bit_m1"; + }; + }; + + sd2_pmx0: sd2@0 { + sd2_0 { + groups = "sd2_grp0"; + function = "sd2_m0"; + }; + }; + + sd2_no_cdb_pmx0: sd2_no_cdb@0 { + sd2_no_cdb_0 { + groups = "sd2_no_cdb_grp0"; + function = "sd2_no_cdb_m0"; + }; + }; + + sd3_pmx: sd3@0 { + sd3 { + groups = "sd3_grp"; + function = "sd3"; + }; + }; + + sd5_pmx: sd5@0 { + sd5 { + groups = "sd5_grp"; + function = "sd5"; + }; + }; + + sd6_pmx0: sd6@0 { + sd6_0 { + groups = "sd6_grp0"; + function = "sd6_m0"; + }; + }; + + sd6_pmx1: sd6@1 { + sd6_1 { + groups = "sd6_grp1"; + function = "sd6_m1"; + }; + }; + + sp0_ext_ldo_on_pmx: sp0_ext_ldo_on@0 { + sp0_ext_ldo_on { + groups = "sp0_ext_ldo_on_grp"; + function = "sp0_ext_ldo_on"; + }; + }; + + sp0_qspi_pmx: sp0_qspi@0 { + sp0_qspi { + groups = "sp0_qspi_grp"; + function = "sp0_qspi"; + }; + }; + + sp1_spi_pmx: sp1_spi@0 { + sp1_spi { + groups = "sp1_spi_grp"; + function = "sp1_spi"; + }; + }; + + tpiu_trace_pmx: tpiu_trace@0 { + tpiu_trace { + groups = "tpiu_trace_grp"; + function = "tpiu_trace"; + }; + }; + + uart0_pmx: uart0@0 { + uart0 { + groups = "uart0_grp"; + function = "uart0"; + }; + }; + + uart0_nopause_pmx: uart0_nopause@0 { + uart0_nopause { + groups = "uart0_nopause_grp"; + function = "uart0_nopause"; + }; + }; + + uart1_pmx: uart1@0 { + uart1 { + groups = "uart1_grp"; + function = "uart1"; + }; + }; + + uart2_pmx: uart2@0 { + uart2 { + groups = "uart2_grp"; + function = "uart2"; + }; + }; + + uart3_pmx0: uart3@0 { + uart3_0 { + groups = "uart3_grp0"; + function = "uart3_m0"; + }; + }; + + uart3_pmx1: uart3@1 { + uart3_1 { + groups = "uart3_grp1"; + function = "uart3_m1"; + }; + }; + + uart3_pmx2: uart3@2 { + uart3_2 { + groups = "uart3_grp2"; + function = "uart3_m2"; + }; + }; + + uart3_pmx3: uart3@3 { + uart3_3 { + groups = "uart3_grp3"; + function = "uart3_m3"; + }; + }; + + uart3_nopause_pmx0: uart3_nopause@0 { + uart3_nopause_0 { + groups = "uart3_nopause_grp0"; + function = "uart3_nopause_m0"; + }; + }; + + uart3_nopause_pmx1: uart3_nopause@1 { + uart3_nopause_1 { + groups = "uart3_nopause_grp1"; + function = "uart3_nopause_m1"; + }; + }; + + uart4_pmx0: uart4@0 { + uart4_0 { + groups = "uart4_grp0"; + function = "uart4_m0"; + }; + }; + + uart4_pmx1: uart4@1 { + uart4_1 { + groups = "uart4_grp1"; + function = "uart4_m1"; + }; + }; + + uart4_pmx2: uart4@2 { + uart4_2 { + groups = "uart4_grp2"; + function = "uart4_m2"; + }; + }; + + uart4_nopause_pmx: uart4_nopause@0 { + uart4_nopause { + groups = "uart4_nopause_grp"; + function = "uart4_nopause"; + }; + }; + + usb0_drvvbus_pmx: usb0_drvvbus@0 { + usb0_drvvbus { + groups = "usb0_drvvbus_grp"; + function = "usb0_drvvbus"; + }; + }; + + usb1_drvvbus_pmx: usb1_drvvbus@0 { + usb1_drvvbus { + groups = "usb1_drvvbus_grp"; + function = "usb1_drvvbus"; + }; + }; + + visbus_dout_pmx: visbus_dout@0 { + visbus_dout { + groups = "visbus_dout_grp"; + function = "visbus_dout"; + }; + }; + + vi_vip1_pmx: vi_vip1@0 { + vi_vip1 { + groups = "vi_vip1_grp"; + function = "vi_vip1"; + }; + }; + + vi_vip1_ext_pmx: vi_vip1_ext@0 { + vi_vip1_ext { + groups = "vi_vip1_ext_grp"; + function = "vi_vip1_ext"; + }; + }; + + vi_vip1_low8bit_pmx: vi_vip1_low8bit@0 { + vi_vip1_low8bit { + groups = "vi_vip1_low8bit_grp"; + function = "vi_vip1_low8bit"; + }; + }; + + vi_vip1_high8bit_pmx: vi_vip1_high8bit@0 { + vi_vip1_high8bit { + groups = "vi_vip1_high8bit_grp"; + function = "vi_vip1_high8bit"; + }; + }; }; pmipc { @@ -356,6 +1375,12 @@ clock-names = "gpio0_io"; gpio-controller; interrupt-controller; + + gpio-banks = <2>; + gpio-ranges = <&pinctrl 0 0 0>, + <&pinctrl 32 0 0>; + gpio-ranges-group-names = "lvds_gpio_grp", + "uart_nand_gpio_grp"; }; nand@17050000 { @@ -461,11 +1486,22 @@ #interrupt-cells = <2>; compatible = "sirf,atlas7-gpio"; reg = <0x13300000 0x1000>; - interrupts = <0 43 0>, <0 44 0>, <0 45 0>; + interrupts = <0 43 0>, <0 44 0>, + <0 45 0>, <0 46 0>; clocks = <&car 84>; clock-names = "gpio1_io"; gpio-controller; interrupt-controller; + + gpio-banks = <4>; + gpio-ranges = <&pinctrl 0 0 0>, + <&pinctrl 32 0 0>, + <&pinctrl 64 0 0>, + <&pinctrl 96 0 0>; + gpio-ranges-group-names = "gnss_gpio_grp", + "lcd_vip_gpio_grp", + "sdio_i2s_gpio_grp", + "sp_rgmii_gpio_grp"; }; sd2: sdhci@14200000 { @@ -744,6 +1780,10 @@ interrupts = <0 47 0>; gpio-controller; interrupt-controller; + + gpio-banks = <1>; + gpio-ranges = <&pinctrl 0 0 0>; + gpio-ranges-group-names = "rtc_gpio_grp"; }; rtc-iobg@18840000 { diff --git a/arch/arm/boot/dts/cros-ec-keyboard.dtsi b/arch/arm/boot/dts/cros-ec-keyboard.dtsi index 9c7fb0acae79..4e42f30cb318 100644 --- a/arch/arm/boot/dts/cros-ec-keyboard.dtsi +++ b/arch/arm/boot/dts/cros-ec-keyboard.dtsi @@ -22,6 +22,7 @@ MATRIX_KEY(0x00, 0x02, KEY_F1) MATRIX_KEY(0x00, 0x03, KEY_B) MATRIX_KEY(0x00, 0x04, KEY_F10) + MATRIX_KEY(0x00, 0x05, KEY_RO) MATRIX_KEY(0x00, 0x06, KEY_N) MATRIX_KEY(0x00, 0x08, KEY_EQUAL) MATRIX_KEY(0x00, 0x0a, KEY_RIGHTALT) @@ -34,6 +35,7 @@ MATRIX_KEY(0x01, 0x08, KEY_APOSTROPHE) MATRIX_KEY(0x01, 0x09, KEY_F9) MATRIX_KEY(0x01, 0x0b, KEY_BACKSPACE) + MATRIX_KEY(0x01, 0x0c, KEY_HENKAN) MATRIX_KEY(0x02, 0x00, KEY_LEFTCTRL) MATRIX_KEY(0x02, 0x01, KEY_TAB) @@ -45,6 +47,7 @@ MATRIX_KEY(0x02, 0x07, KEY_102ND) MATRIX_KEY(0x02, 0x08, KEY_LEFTBRACE) MATRIX_KEY(0x02, 0x09, KEY_F8) + MATRIX_KEY(0x02, 0x0a, KEY_YEN) MATRIX_KEY(0x03, 0x01, KEY_GRAVE) MATRIX_KEY(0x03, 0x02, KEY_F2) @@ -53,6 +56,7 @@ MATRIX_KEY(0x03, 0x06, KEY_6) MATRIX_KEY(0x03, 0x08, KEY_MINUS) MATRIX_KEY(0x03, 0x0b, KEY_BACKSLASH) + MATRIX_KEY(0x03, 0x0c, KEY_MUHENKAN) MATRIX_KEY(0x04, 0x00, KEY_RIGHTCTRL) MATRIX_KEY(0x04, 0x01, KEY_A) diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index aa465904f6cc..096f68be99e2 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -686,7 +686,8 @@ &dcan1 { status = "ok"; - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&dcan1_pins_default>; + pinctrl-names = "default", "sleep", "active"; + pinctrl-0 = <&dcan1_pins_sleep>; pinctrl-1 = <&dcan1_pins_sleep>; + pinctrl-2 = <&dcan1_pins_default>; }; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index 8f1e25bcecbd..1e29ccf77ea2 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -116,7 +116,7 @@ ranges = <0 0x2000 0x2000>; scm_conf: scm_conf@0 { - compatible = "syscon"; + compatible = "syscon", "simple-bus"; reg = <0x0 0x1400>; #address-cells = <1>; #size-cells = <1>; @@ -1140,6 +1140,7 @@ ctrl-module = <&omap_control_sata>; clocks = <&sys_clkin1>, <&sata_ref_clk>; clock-names = "sysclk", "refclk"; + syscon-pllreset = <&scm_conf 0x3fc>; #phy-cells = <0>; }; diff --git a/arch/arm/boot/dts/dra72-evm.dts b/arch/arm/boot/dts/dra72-evm.dts index 4e1b60581782..803738414086 100644 --- a/arch/arm/boot/dts/dra72-evm.dts +++ b/arch/arm/boot/dts/dra72-evm.dts @@ -587,9 +587,10 @@ &dcan1 { status = "ok"; - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&dcan1_pins_default>; + pinctrl-names = "default", "sleep", "active"; + pinctrl-0 = <&dcan1_pins_sleep>; pinctrl-1 = <&dcan1_pins_sleep>; + pinctrl-2 = <&dcan1_pins_default>; }; &qspi { diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi index d7201333e3bc..2db99433e17f 100644 --- a/arch/arm/boot/dts/exynos3250.dtsi +++ b/arch/arm/boot/dts/exynos3250.dtsi @@ -138,8 +138,8 @@ mipi_phy: video-phy@10020710 { compatible = "samsung,s5pv210-mipi-video-phy"; - reg = <0x10020710 8>; #phy-cells = <1>; + syscon = <&pmu_system_controller>; }; pd_cam: cam-power-domain@10023C00 { diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts index e0abfc3324d1..e050d85cdacd 100644 --- a/arch/arm/boot/dts/exynos4210-origen.dts +++ b/arch/arm/boot/dts/exynos4210-origen.dts @@ -127,6 +127,10 @@ }; }; +&cpu0 { + cpu0-supply = <&buck1_reg>; +}; + &fimd { pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts index 98f3ce65cb9a..ba34886f8b65 100644 --- a/arch/arm/boot/dts/exynos4210-trats.dts +++ b/arch/arm/boot/dts/exynos4210-trats.dts @@ -188,6 +188,10 @@ }; }; +&cpu0 { + cpu0-supply = <&varm_breg>; +}; + &dsi_0 { vddcore-supply = <&vusb_reg>; vddio-supply = <&vmipi_reg>; diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts index d4f2b11319dd..775892b2cc6a 100644 --- a/arch/arm/boot/dts/exynos4210-universal_c210.dts +++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts @@ -548,6 +548,10 @@ }; }; +&cpu0 { + cpu0-supply = <&vdd_arm_reg>; +}; + &pinctrl_1 { hdmi_hpd: hdmi-hpd { samsung,pins = "gpx3-7"; diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi index 10d3c173396e..3e5ba665d200 100644 --- a/arch/arm/boot/dts/exynos4210.dtsi +++ b/arch/arm/boot/dts/exynos4210.dtsi @@ -40,6 +40,18 @@ device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <0x900>; + clocks = <&clock CLK_ARM_CLK>; + clock-names = "cpu"; + clock-latency = <160000>; + + operating-points = < + 1200000 1250000 + 1000000 1150000 + 800000 1075000 + 500000 975000 + 400000 975000 + 200000 950000 + >; cooling-min-level = <4>; cooling-max-level = <2>; #cooling-cells = <2>; /* min followed by max */ diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi index c892d58e8dad..b995333ea22b 100644 --- a/arch/arm/boot/dts/imx23.dtsi +++ b/arch/arm/boot/dts/imx23.dtsi @@ -468,6 +468,7 @@ interrupts = <36 37 38 39 40 41 42 43 44>; status = "disabled"; clocks = <&clks 26>; + #io-channel-cells = <1>; }; spdif@80054000 { diff --git a/arch/arm/boot/dts/imx25-pdk.dts b/arch/arm/boot/dts/imx25-pdk.dts index dd45e6971bc3..9351296356dc 100644 --- a/arch/arm/boot/dts/imx25-pdk.dts +++ b/arch/arm/boot/dts/imx25-pdk.dts @@ -10,6 +10,7 @@ */ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> #include <dt-bindings/input/input.h> #include "imx25.dtsi" @@ -114,8 +115,8 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio2 1 0>; - wp-gpios = <&gpio2 0 0>; + cd-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 0 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi index bc215e4b75fd..b69be5c499cf 100644 --- a/arch/arm/boot/dts/imx27.dtsi +++ b/arch/arm/boot/dts/imx27.dtsi @@ -108,7 +108,7 @@ }; gpt1: timer@10003000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x10003000 0x1000>; interrupts = <26>; clocks = <&clks IMX27_CLK_GPT1_IPG_GATE>, @@ -117,7 +117,7 @@ }; gpt2: timer@10004000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x10004000 0x1000>; interrupts = <25>; clocks = <&clks IMX27_CLK_GPT2_IPG_GATE>, @@ -126,7 +126,7 @@ }; gpt3: timer@10005000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x10005000 0x1000>; interrupts = <24>; clocks = <&clks IMX27_CLK_GPT3_IPG_GATE>, @@ -376,7 +376,7 @@ }; gpt4: timer@10019000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x10019000 0x1000>; interrupts = <4>; clocks = <&clks IMX27_CLK_GPT4_IPG_GATE>, @@ -385,7 +385,7 @@ }; gpt5: timer@1001a000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x1001a000 0x1000>; interrupts = <3>; clocks = <&clks IMX27_CLK_GPT5_IPG_GATE>, @@ -436,7 +436,7 @@ }; gpt6: timer@1001f000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x1001f000 0x1000>; interrupts = <2>; clocks = <&clks IMX27_CLK_GPT6_IPG_GATE>, diff --git a/arch/arm/boot/dts/imx35.dtsi b/arch/arm/boot/dts/imx35.dtsi index b6478e97d6a7..e6540b5cfa4c 100644 --- a/arch/arm/boot/dts/imx35.dtsi +++ b/arch/arm/boot/dts/imx35.dtsi @@ -286,8 +286,8 @@ can1: can@53fe4000 { compatible = "fsl,imx35-flexcan", "fsl,p1010-flexcan"; reg = <0x53fe4000 0x1000>; - clocks = <&clks 33>; - clock-names = "ipg"; + clocks = <&clks 33>, <&clks 33>; + clock-names = "ipg", "per"; interrupts = <43>; status = "disabled"; }; @@ -295,8 +295,8 @@ can2: can@53fe8000 { compatible = "fsl,imx35-flexcan", "fsl,p1010-flexcan"; reg = <0x53fe8000 0x1000>; - clocks = <&clks 34>; - clock-names = "ipg"; + clocks = <&clks 34>, <&clks 34>; + clock-names = "ipg", "per"; interrupts = <44>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx51-apf51dev.dts b/arch/arm/boot/dts/imx51-apf51dev.dts index 93d3ea12328c..0f3fe29b816e 100644 --- a/arch/arm/boot/dts/imx51-apf51dev.dts +++ b/arch/arm/boot/dts/imx51-apf51dev.dts @@ -98,7 +98,7 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio2 29 GPIO_ACTIVE_LOW>; bus-width = <4>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-ard.dts b/arch/arm/boot/dts/imx53-ard.dts index e9337ad52f59..3bc18835fb4b 100644 --- a/arch/arm/boot/dts/imx53-ard.dts +++ b/arch/arm/boot/dts/imx53-ard.dts @@ -103,8 +103,8 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio1 1 0>; - wp-gpios = <&gpio1 9 0>; + cd-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-m53evk.dts b/arch/arm/boot/dts/imx53-m53evk.dts index d0e0f57eb432..53f40885c530 100644 --- a/arch/arm/boot/dts/imx53-m53evk.dts +++ b/arch/arm/boot/dts/imx53-m53evk.dts @@ -124,8 +124,8 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio1 1 0>; - wp-gpios = <&gpio1 9 0>; + cd-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-qsb-common.dtsi b/arch/arm/boot/dts/imx53-qsb-common.dtsi index 181ae5ebf23f..b0d5542ac829 100644 --- a/arch/arm/boot/dts/imx53-qsb-common.dtsi +++ b/arch/arm/boot/dts/imx53-qsb-common.dtsi @@ -147,8 +147,8 @@ &esdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc3>; - cd-gpios = <&gpio3 11 0>; - wp-gpios = <&gpio3 12 0>; + cd-gpios = <&gpio3 11 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio3 12 GPIO_ACTIVE_HIGH>; bus-width = <8>; status = "okay"; }; @@ -295,9 +295,10 @@ &tve { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_vga_sync>; + ddc-i2c-bus = <&i2c2>; fsl,tve-mode = "vga"; - fsl,hsync-pin = <4>; - fsl,vsync-pin = <6>; + fsl,hsync-pin = <7>; /* IPU DI1 PIN7 via EIM_OE */ + fsl,vsync-pin = <8>; /* IPU DI1 PIN8 via EIM_RW */ status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-smd.dts b/arch/arm/boot/dts/imx53-smd.dts index 1d325576bcc0..fc89ce1e5763 100644 --- a/arch/arm/boot/dts/imx53-smd.dts +++ b/arch/arm/boot/dts/imx53-smd.dts @@ -41,8 +41,8 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio3 13 0>; - wp-gpios = <&gpio4 11 0>; + cd-gpios = <&gpio3 13 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio4 11 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-tqma53.dtsi b/arch/arm/boot/dts/imx53-tqma53.dtsi index 4f1f0e2868bf..e03373a58760 100644 --- a/arch/arm/boot/dts/imx53-tqma53.dtsi +++ b/arch/arm/boot/dts/imx53-tqma53.dtsi @@ -41,8 +41,8 @@ pinctrl-0 = <&pinctrl_esdhc2>, <&pinctrl_esdhc2_cdwp>; vmmc-supply = <®_3p3v>; - wp-gpios = <&gpio1 2 0>; - cd-gpios = <&gpio1 4 0>; + wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx53-tx53.dtsi b/arch/arm/boot/dts/imx53-tx53.dtsi index 704bd72cbfec..d3e50b22064f 100644 --- a/arch/arm/boot/dts/imx53-tx53.dtsi +++ b/arch/arm/boot/dts/imx53-tx53.dtsi @@ -183,7 +183,7 @@ }; &esdhc1 { - cd-gpios = <&gpio3 24 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>; fsl,wp-controller; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; @@ -191,7 +191,7 @@ }; &esdhc2 { - cd-gpios = <&gpio3 25 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio3 25 GPIO_ACTIVE_LOW>; fsl,wp-controller; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc2>; diff --git a/arch/arm/boot/dts/imx53-voipac-bsb.dts b/arch/arm/boot/dts/imx53-voipac-bsb.dts index c17d3ad6dba5..fc51b87ad208 100644 --- a/arch/arm/boot/dts/imx53-voipac-bsb.dts +++ b/arch/arm/boot/dts/imx53-voipac-bsb.dts @@ -119,8 +119,8 @@ &esdhc2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc2>; - cd-gpios = <&gpio3 25 0>; - wp-gpios = <&gpio2 19 0>; + cd-gpios = <&gpio3 25 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6dl-riotboard.dts b/arch/arm/boot/dts/imx6dl-riotboard.dts index 43cb3fd76be7..5111f5170d53 100644 --- a/arch/arm/boot/dts/imx6dl-riotboard.dts +++ b/arch/arm/boot/dts/imx6dl-riotboard.dts @@ -305,8 +305,8 @@ &usdhc2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; - cd-gpios = <&gpio1 4 0>; - wp-gpios = <&gpio1 2 0>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; }; @@ -314,8 +314,8 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 0>; - wp-gpios = <&gpio7 1 0>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6q-arm2.dts b/arch/arm/boot/dts/imx6q-arm2.dts index 78df05e9d1ce..d6515f7a56c4 100644 --- a/arch/arm/boot/dts/imx6q-arm2.dts +++ b/arch/arm/boot/dts/imx6q-arm2.dts @@ -11,6 +11,7 @@ */ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> #include "imx6q.dtsi" / { @@ -196,8 +197,8 @@ }; &usdhc3 { - cd-gpios = <&gpio6 11 0>; - wp-gpios = <&gpio6 14 0>; + cd-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio6 14 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3 diff --git a/arch/arm/boot/dts/imx6q-gk802.dts b/arch/arm/boot/dts/imx6q-gk802.dts index 703539cf36d3..00bd63e63d0c 100644 --- a/arch/arm/boot/dts/imx6q-gk802.dts +++ b/arch/arm/boot/dts/imx6q-gk802.dts @@ -7,6 +7,7 @@ */ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> #include "imx6q.dtsi" / { @@ -161,7 +162,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; bus-width = <4>; - cd-gpios = <&gpio6 11 0>; + cd-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6q-tbs2910.dts b/arch/arm/boot/dts/imx6q-tbs2910.dts index a43abfa21e33..5645d52850a7 100644 --- a/arch/arm/boot/dts/imx6q-tbs2910.dts +++ b/arch/arm/boot/dts/imx6q-tbs2910.dts @@ -251,7 +251,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; bus-width = <4>; - cd-gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; @@ -260,7 +260,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; bus-width = <4>; - cd-gpios = <&gpio2 0 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; diff --git a/arch/arm/boot/dts/imx6qdl-aristainetos.dtsi b/arch/arm/boot/dts/imx6qdl-aristainetos.dtsi index e6d9195a1da7..f4d6ae564ead 100644 --- a/arch/arm/boot/dts/imx6qdl-aristainetos.dtsi +++ b/arch/arm/boot/dts/imx6qdl-aristainetos.dtsi @@ -173,7 +173,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc1>; vmmc-supply = <®_3p3v>; - cd-gpios = <&gpio4 7 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio4 7 GPIO_ACTIVE_LOW>; status = "okay"; }; @@ -181,7 +181,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; vmmc-supply = <®_3p3v>; - cd-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio4 8 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi b/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi index 1d85de2befb3..a47a0399a172 100644 --- a/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi +++ b/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi @@ -392,7 +392,7 @@ &usdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc1>; - cd-gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio1 27 GPIO_ACTIVE_LOW>; no-1-8-v; status = "okay"; }; @@ -400,7 +400,7 @@ &usdhc2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; - cd-gpios = <&gpio4 5 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio4 5 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>; no-1-8-v; status = "okay"; diff --git a/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi b/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi index 59e5d15e3ec4..ff41f83551de 100644 --- a/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi +++ b/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi @@ -258,6 +258,6 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_cubox_i_usdhc2_aux &pinctrl_cubox_i_usdhc2>; vmmc-supply = <®_3p3v>; - cd-gpios = <&gpio1 4 0>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi b/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi index 2c253d6d20bd..45e7c39e80d5 100644 --- a/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi +++ b/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi @@ -1,3 +1,5 @@ +#include <dt-bindings/gpio/gpio.h> + / { regulators { compatible = "simple-bus"; @@ -181,7 +183,7 @@ &usdhc2 { /* module slot */ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; - cd-gpios = <&gpio2 2 0>; + cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi index b5756c21ea1d..4493f6e99330 100644 --- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi @@ -318,7 +318,7 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi index 86f03c1b147c..a857d1294609 100644 --- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi @@ -324,7 +324,7 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi index 4a8d97f47759..1afe3385e2d2 100644 --- a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi @@ -417,7 +417,7 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi b/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi index 62a82f3eba88..6dd0b764e036 100644 --- a/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi +++ b/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi @@ -299,6 +299,6 @@ &pinctrl_hummingboard_usdhc2 >; vmmc-supply = <®_3p3v>; - cd-gpios = <&gpio1 4 0>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi index 3af16dfe417b..d7fe6672d00c 100644 --- a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi +++ b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi @@ -453,7 +453,7 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 0>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; @@ -461,7 +461,7 @@ &usdhc4 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc4>; - cd-gpios = <&gpio2 6 0>; + cd-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi index 1ce6133b67f5..9e6ecd99b472 100644 --- a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi +++ b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi @@ -409,8 +409,8 @@ &usdhc2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; - cd-gpios = <&gpio1 4 0>; - wp-gpios = <&gpio1 2 0>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; status = "disabled"; }; @@ -418,7 +418,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3 &pinctrl_usdhc3_cdwp>; - cd-gpios = <&gpio1 27 0>; - wp-gpios = <&gpio1 29 0>; + cd-gpios = <&gpio1 27 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx6qdl-rex.dtsi b/arch/arm/boot/dts/imx6qdl-rex.dtsi index 488a640796ac..3373fd958e95 100644 --- a/arch/arm/boot/dts/imx6qdl-rex.dtsi +++ b/arch/arm/boot/dts/imx6qdl-rex.dtsi @@ -342,7 +342,7 @@ pinctrl-0 = <&pinctrl_usdhc2>; bus-width = <4>; cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; - wp-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>; status = "okay"; }; @@ -351,6 +351,6 @@ pinctrl-0 = <&pinctrl_usdhc3>; bus-width = <4>; cd-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; - wp-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi index 3b24b12651b2..e329ca5c3322 100644 --- a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi @@ -467,8 +467,8 @@ pinctrl-0 = <&pinctrl_usdhc3>; pinctrl-1 = <&pinctrl_usdhc3_100mhz>; pinctrl-2 = <&pinctrl_usdhc3_200mhz>; - cd-gpios = <&gpio6 15 0>; - wp-gpios = <&gpio1 13 0>; + cd-gpios = <&gpio6 15 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi index e00c44f6a0df..782379320517 100644 --- a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi @@ -448,8 +448,8 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 0>; - wp-gpios = <&gpio7 1 0>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; }; @@ -457,7 +457,7 @@ &usdhc4 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc4>; - cd-gpios = <&gpio2 6 0>; + cd-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi index a626e6dd8022..944eb81cb2b8 100644 --- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi @@ -562,8 +562,8 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; bus-width = <8>; - cd-gpios = <&gpio2 2 0>; - wp-gpios = <&gpio2 3 0>; + cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>; status = "okay"; }; @@ -571,8 +571,8 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; bus-width = <8>; - cd-gpios = <&gpio2 0 0>; - wp-gpios = <&gpio2 1 0>; + cd-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi b/arch/arm/boot/dts/imx6qdl-tx6.dtsi index f02b80b41d4f..da08de324e9e 100644 --- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi +++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi @@ -680,7 +680,7 @@ pinctrl-0 = <&pinctrl_usdhc1>; bus-width = <4>; no-1-8-v; - cd-gpios = <&gpio7 2 0>; + cd-gpios = <&gpio7 2 GPIO_ACTIVE_LOW>; fsl,wp-controller; status = "okay"; }; @@ -690,7 +690,7 @@ pinctrl-0 = <&pinctrl_usdhc2>; bus-width = <4>; no-1-8-v; - cd-gpios = <&gpio7 3 0>; + cd-gpios = <&gpio7 3 GPIO_ACTIVE_LOW>; fsl,wp-controller; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi index 5fb091675582..9e096d811bed 100644 --- a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi +++ b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi @@ -9,6 +9,8 @@ * */ +#include <dt-bindings/gpio/gpio.h> + / { regulators { compatible = "simple-bus"; @@ -250,13 +252,13 @@ &usdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc1>; - cd-gpios = <&gpio1 2 0>; + cd-gpios = <&gpio1 2 GPIO_ACTIVE_LOW>; status = "okay"; }; &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio3 9 0>; + cd-gpios = <&gpio3 9 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index e6d13592080d..b57033e8c633 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -181,10 +181,10 @@ interrupt-names = "msi"; #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 0x7>; - interrupt-map = <0 0 0 1 &intc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, - <0 0 0 2 &intc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>, - <0 0 0 3 &intc GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>, - <0 0 0 4 &intc GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; + interrupt-map = <0 0 0 1 &gpc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 2 &gpc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 3 &gpc GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 4 &gpc GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks IMX6QDL_CLK_PCIE_AXI>, <&clks IMX6QDL_CLK_LVDS1_GATE>, <&clks IMX6QDL_CLK_PCIE_REF_125M>; diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts index 945887d3fdb3..b84dff2e94ea 100644 --- a/arch/arm/boot/dts/imx6sl-evk.dts +++ b/arch/arm/boot/dts/imx6sl-evk.dts @@ -617,8 +617,8 @@ pinctrl-1 = <&pinctrl_usdhc1_100mhz>; pinctrl-2 = <&pinctrl_usdhc1_200mhz>; bus-width = <8>; - cd-gpios = <&gpio4 7 0>; - wp-gpios = <&gpio4 6 0>; + cd-gpios = <&gpio4 7 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio4 6 GPIO_ACTIVE_HIGH>; status = "okay"; }; @@ -627,8 +627,8 @@ pinctrl-0 = <&pinctrl_usdhc2>; pinctrl-1 = <&pinctrl_usdhc2_100mhz>; pinctrl-2 = <&pinctrl_usdhc2_200mhz>; - cd-gpios = <&gpio5 0 0>; - wp-gpios = <&gpio4 29 0>; + cd-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio4 29 GPIO_ACTIVE_HIGH>; status = "okay"; }; @@ -637,6 +637,6 @@ pinctrl-0 = <&pinctrl_usdhc3>; pinctrl-1 = <&pinctrl_usdhc3_100mhz>; pinctrl-2 = <&pinctrl_usdhc3_200mhz>; - cd-gpios = <&gpio3 22 0>; + cd-gpios = <&gpio3 22 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts index e3c0b63c2205..115f3fd78971 100644 --- a/arch/arm/boot/dts/imx6sx-sabreauto.dts +++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts @@ -49,7 +49,7 @@ pinctrl-1 = <&pinctrl_usdhc3_100mhz>; pinctrl-2 = <&pinctrl_usdhc3_200mhz>; bus-width = <8>; - cd-gpios = <&gpio7 10 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>; keep-power-in-suspend; enable-sdio-wakeup; @@ -61,7 +61,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc4>; bus-width = <8>; - cd-gpios = <&gpio7 11 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 11 GPIO_ACTIVE_LOW>; no-1-8-v; keep-power-in-suspend; enable-sdio-wakup; diff --git a/arch/arm/boot/dts/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi index cef04cef3a80..ac88c3467078 100644 --- a/arch/arm/boot/dts/imx6sx-sdb.dtsi +++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi @@ -293,7 +293,7 @@ pinctrl-1 = <&pinctrl_usdhc3_100mhz>; pinctrl-2 = <&pinctrl_usdhc3_200mhz>; bus-width = <8>; - cd-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio2 15 GPIO_ACTIVE_HIGH>; keep-power-in-suspend; enable-sdio-wakeup; @@ -304,7 +304,7 @@ &usdhc4 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc4>; - cd-gpios = <&gpio6 21 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio6 21 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio6 20 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts index 4d1a4b977d84..fdd1d7c9a5cc 100644 --- a/arch/arm/boot/dts/imx7d-sdb.dts +++ b/arch/arm/boot/dts/imx7d-sdb.dts @@ -234,8 +234,8 @@ &usdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc1>; - cd-gpios = <&gpio5 0 0>; - wp-gpios = <&gpio5 1 0>; + cd-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>; enable-sdio-wakeup; keep-power-in-suspend; status = "okay"; diff --git a/arch/arm/boot/dts/k2e-clocks.dtsi b/arch/arm/boot/dts/k2e-clocks.dtsi index 4773d6af66a0..d56d68fe7ffc 100644 --- a/arch/arm/boot/dts/k2e-clocks.dtsi +++ b/arch/arm/boot/dts/k2e-clocks.dtsi @@ -13,9 +13,8 @@ clocks { #clock-cells = <0>; compatible = "ti,keystone,main-pll-clock"; clocks = <&refclksys>; - reg = <0x02620350 4>, <0x02310110 4>; - reg-names = "control", "multiplier"; - fixed-postdiv = <2>; + reg = <0x02620350 4>, <0x02310110 4>, <0x02310108 4>; + reg-names = "control", "multiplier", "post-divider"; }; papllclk: papllclk@2620358 { diff --git a/arch/arm/boot/dts/k2e.dtsi b/arch/arm/boot/dts/k2e.dtsi index 50e555eab50d..675fb8e492c6 100644 --- a/arch/arm/boot/dts/k2e.dtsi +++ b/arch/arm/boot/dts/k2e.dtsi @@ -86,7 +86,7 @@ gpio,syscon-dev = <&devctrl 0x240>; }; - pcie@21020000 { + pcie1: pcie@21020000 { compatible = "ti,keystone-pcie","snps,dw-pcie"; clocks = <&clkpcie1>; clock-names = "pcie"; @@ -96,6 +96,7 @@ ranges = <0x81000000 0 0 0x23260000 0x4000 0x4000 0x82000000 0 0x60000000 0x60000000 0 0x10000000>; + status = "disabled"; device_type = "pci"; num-lanes = <2>; @@ -130,10 +131,17 @@ <GIC_SPI 376 IRQ_TYPE_EDGE_RISING>; }; }; + + mdio: mdio@24200f00 { + compatible = "ti,keystone_mdio", "ti,davinci_mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x24200f00 0x100>; + status = "disabled"; + clocks = <&clkcpgmac>; + clock-names = "fck"; + bus_freq = <2500000>; + }; /include/ "k2e-netcp.dtsi" }; }; - -&mdio { - reg = <0x24200f00 0x100>; -}; diff --git a/arch/arm/boot/dts/k2hk-clocks.dtsi b/arch/arm/boot/dts/k2hk-clocks.dtsi index d5adee3c0067..af9b7190533a 100644 --- a/arch/arm/boot/dts/k2hk-clocks.dtsi +++ b/arch/arm/boot/dts/k2hk-clocks.dtsi @@ -22,9 +22,8 @@ clocks { #clock-cells = <0>; compatible = "ti,keystone,main-pll-clock"; clocks = <&refclksys>; - reg = <0x02620350 4>, <0x02310110 4>; - reg-names = "control", "multiplier"; - fixed-postdiv = <2>; + reg = <0x02620350 4>, <0x02310110 4>, <0x02310108 4>; + reg-names = "control", "multiplier", "post-divider"; }; papllclk: papllclk@2620358 { diff --git a/arch/arm/boot/dts/k2hk.dtsi b/arch/arm/boot/dts/k2hk.dtsi index ae6472407b22..d0810a5f2968 100644 --- a/arch/arm/boot/dts/k2hk.dtsi +++ b/arch/arm/boot/dts/k2hk.dtsi @@ -98,6 +98,17 @@ #gpio-cells = <2>; gpio,syscon-dev = <&devctrl 0x25c>; }; + + mdio: mdio@02090300 { + compatible = "ti,keystone_mdio", "ti,davinci_mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x02090300 0x100>; + status = "disabled"; + clocks = <&clkcpgmac>; + clock-names = "fck"; + bus_freq = <2500000>; + }; /include/ "k2hk-netcp.dtsi" }; }; diff --git a/arch/arm/boot/dts/k2l-clocks.dtsi b/arch/arm/boot/dts/k2l-clocks.dtsi index eb1e3e29f073..ef8464bb11ff 100644 --- a/arch/arm/boot/dts/k2l-clocks.dtsi +++ b/arch/arm/boot/dts/k2l-clocks.dtsi @@ -22,9 +22,8 @@ clocks { #clock-cells = <0>; compatible = "ti,keystone,main-pll-clock"; clocks = <&refclksys>; - reg = <0x02620350 4>, <0x02310110 4>; - reg-names = "control", "multiplier"; - fixed-postdiv = <2>; + reg = <0x02620350 4>, <0x02310110 4>, <0x02310108 4>; + reg-names = "control", "multiplier", "post-divider"; }; papllclk: papllclk@2620358 { diff --git a/arch/arm/boot/dts/k2l.dtsi b/arch/arm/boot/dts/k2l.dtsi index 0e007483615e..49fd414f680c 100644 --- a/arch/arm/boot/dts/k2l.dtsi +++ b/arch/arm/boot/dts/k2l.dtsi @@ -29,7 +29,6 @@ }; soc { - /include/ "k2l-clocks.dtsi" uart2: serial@02348400 { @@ -79,6 +78,17 @@ #gpio-cells = <2>; gpio,syscon-dev = <&devctrl 0x24c>; }; + + mdio: mdio@26200f00 { + compatible = "ti,keystone_mdio", "ti,davinci_mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x26200f00 0x100>; + status = "disabled"; + clocks = <&clkcpgmac>; + clock-names = "fck"; + bus_freq = <2500000>; + }; /include/ "k2l-netcp.dtsi" }; }; @@ -96,7 +106,3 @@ /* Pin muxed. Enabled and configured by Bootloader */ status = "disabled"; }; - -&mdio { - reg = <0x26200f00 0x100>; -}; diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi index c06542b2c954..72816d65f7ec 100644 --- a/arch/arm/boot/dts/keystone.dtsi +++ b/arch/arm/boot/dts/keystone.dtsi @@ -267,17 +267,6 @@ 1 0 0x21000A00 0x00000100>; }; - mdio: mdio@02090300 { - compatible = "ti,keystone_mdio", "ti,davinci_mdio"; - #address-cells = <1>; - #size-cells = <0>; - reg = <0x02090300 0x100>; - status = "disabled"; - clocks = <&clkpa>; - clock-names = "fck"; - bus_freq = <2500000>; - }; - kirq0: keystone_irq@26202a0 { compatible = "ti,keystone-irq"; interrupts = <GIC_SPI 4 IRQ_TYPE_EDGE_RISING>; @@ -286,7 +275,7 @@ ti,syscon-dev = <&devctrl 0x2a0>; }; - pcie@21800000 { + pcie0: pcie@21800000 { compatible = "ti,keystone-pcie", "snps,dw-pcie"; clocks = <&clkpcie>; clock-names = "pcie"; @@ -296,6 +285,7 @@ ranges = <0x81000000 0 0 0x23250000 0 0x4000 0x82000000 0 0x50000000 0x50000000 0 0x10000000>; + status = "disabled"; device_type = "pci"; num-lanes = <2>; diff --git a/arch/arm/boot/dts/omap2430.dtsi b/arch/arm/boot/dts/omap2430.dtsi index 11a7963be003..2390f387c271 100644 --- a/arch/arm/boot/dts/omap2430.dtsi +++ b/arch/arm/boot/dts/omap2430.dtsi @@ -51,7 +51,8 @@ }; scm_conf: scm_conf@270 { - compatible = "syscon"; + compatible = "syscon", + "simple-bus"; reg = <0x270 0x240>; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi b/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi index 233c69e50ae3..df8908adb0cb 100644 --- a/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi +++ b/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi @@ -120,7 +120,7 @@ lcd0: display@0 { compatible = "lgphilips,lb035q02"; - label = "lcd"; + label = "lcd35"; reg = <1>; /* CS1 */ spi-max-frequency = <10000000>; diff --git a/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi b/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi index f5395b7da912..048fd216970a 100644 --- a/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi +++ b/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi @@ -98,7 +98,7 @@ lcd0: display@0 { compatible = "samsung,lte430wq-f0c", "panel-dpi"; - label = "lcd"; + label = "lcd43"; pinctrl-names = "default"; pinctrl-0 = <<e430_pins>; diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi index f884d6adb71e..abc4473e6f8a 100644 --- a/arch/arm/boot/dts/omap4.dtsi +++ b/arch/arm/boot/dts/omap4.dtsi @@ -191,7 +191,8 @@ }; omap4_padconf_global: omap4_padconf_global@5a0 { - compatible = "syscon"; + compatible = "syscon", + "simple-bus"; reg = <0x5a0 0x170>; #address-cells = <1>; #size-cells = <1>; @@ -551,6 +552,7 @@ reg = <0x4a066000 0x100>; interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>; ti,hwmods = "mmu_dsp"; + #iommu-cells = <0>; }; mmu_ipu: mmu@55082000 { @@ -558,6 +560,7 @@ reg = <0x55082000 0x100>; interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>; ti,hwmods = "mmu_ipu"; + #iommu-cells = <0>; ti,iommu-bus-err-back; }; diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 7d24ae0306b5..b1a1263e6001 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -180,7 +180,8 @@ }; omap5_padconf_global: omap5_padconf_global@5a0 { - compatible = "syscon"; + compatible = "syscon", + "simple-bus"; reg = <0x5a0 0xec>; #address-cells = <1>; #size-cells = <1>; @@ -612,6 +613,7 @@ reg = <0x4a066000 0x100>; interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>; ti,hwmods = "mmu_dsp"; + #iommu-cells = <0>; }; mmu_ipu: mmu@55082000 { @@ -619,6 +621,7 @@ reg = <0x55082000 0x100>; interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>; ti,hwmods = "mmu_ipu"; + #iommu-cells = <0>; ti,iommu-bus-err-back; }; diff --git a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts index 71468a7eb28f..5e17fd147728 100644 --- a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts +++ b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts @@ -60,27 +60,27 @@ rxc-skew-ps = <2000>; }; -&mmc0 { - vmmc-supply = <®ulator_3_3v>; - vqmmc-supply = <®ulator_3_3v>; -}; - -&usb1 { - status = "okay"; -}; - &gpio2 { status = "okay"; }; -&i2c1{ +&i2c1 { status = "okay"; - accel1: accel1@53{ - compatible = "adxl34x"; + accel1: accelerometer@53 { + compatible = "adi,adxl345"; reg = <0x53>; - interrupt-parent = < &portc >; + interrupt-parent = <&portc>; interrupts = <3 2>; }; }; + +&mmc0 { + vmmc-supply = <®ulator_3_3v>; + vqmmc-supply = <®ulator_3_3v>; +}; + +&usb1 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/spear1310-evb.dts b/arch/arm/boot/dts/spear1310-evb.dts index d42c84b1df8d..e48857249ce7 100644 --- a/arch/arm/boot/dts/spear1310-evb.dts +++ b/arch/arm/boot/dts/spear1310-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr1310 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear1310.dtsi b/arch/arm/boot/dts/spear1310.dtsi index 9d342920695a..54bc6d3cf290 100644 --- a/arch/arm/boot/dts/spear1310.dtsi +++ b/arch/arm/boot/dts/spear1310.dtsi @@ -1,7 +1,7 @@ /* * DTS file for all SPEAr1310 SoCs * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear1340-evb.dts b/arch/arm/boot/dts/spear1340-evb.dts index b23e05ed1d60..c611f5606dfe 100644 --- a/arch/arm/boot/dts/spear1340-evb.dts +++ b/arch/arm/boot/dts/spear1340-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr1340 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear1340.dtsi b/arch/arm/boot/dts/spear1340.dtsi index 13e1aa33daa2..df2232d767ed 100644 --- a/arch/arm/boot/dts/spear1340.dtsi +++ b/arch/arm/boot/dts/spear1340.dtsi @@ -1,7 +1,7 @@ /* * DTS file for all SPEAr1340 SoCs * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear13xx.dtsi b/arch/arm/boot/dts/spear13xx.dtsi index 40accc87e3a2..14594ce8c18a 100644 --- a/arch/arm/boot/dts/spear13xx.dtsi +++ b/arch/arm/boot/dts/spear13xx.dtsi @@ -1,7 +1,7 @@ /* * DTS file for all SPEAr13xx SoCs * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear300-evb.dts b/arch/arm/boot/dts/spear300-evb.dts index 5de1431653e4..e859e8288bcd 100644 --- a/arch/arm/boot/dts/spear300-evb.dts +++ b/arch/arm/boot/dts/spear300-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr300 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear300.dtsi b/arch/arm/boot/dts/spear300.dtsi index f79b3dfaabe6..f4e92e599729 100644 --- a/arch/arm/boot/dts/spear300.dtsi +++ b/arch/arm/boot/dts/spear300.dtsi @@ -1,7 +1,7 @@ /* * DTS file for SPEAr300 SoC * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear310-evb.dts b/arch/arm/boot/dts/spear310-evb.dts index b09632963d15..070f2c1b7851 100644 --- a/arch/arm/boot/dts/spear310-evb.dts +++ b/arch/arm/boot/dts/spear310-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr310 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear310.dtsi b/arch/arm/boot/dts/spear310.dtsi index 95372080eea6..da210b454753 100644 --- a/arch/arm/boot/dts/spear310.dtsi +++ b/arch/arm/boot/dts/spear310.dtsi @@ -1,7 +1,7 @@ /* * DTS file for SPEAr310 SoC * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear320-evb.dts b/arch/arm/boot/dts/spear320-evb.dts index fdedbb514102..1b1034477923 100644 --- a/arch/arm/boot/dts/spear320-evb.dts +++ b/arch/arm/boot/dts/spear320-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr320 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear320.dtsi b/arch/arm/boot/dts/spear320.dtsi index ffea342aeec9..22be6e5edaac 100644 --- a/arch/arm/boot/dts/spear320.dtsi +++ b/arch/arm/boot/dts/spear320.dtsi @@ -1,7 +1,7 @@ /* * DTS file for SPEAr320 SoC * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear3xx.dtsi b/arch/arm/boot/dts/spear3xx.dtsi index f0e3fcf8e323..118135d75899 100644 --- a/arch/arm/boot/dts/spear3xx.dtsi +++ b/arch/arm/boot/dts/spear3xx.dtsi @@ -1,7 +1,7 @@ /* * DTS file for all SPEAr3xx SoCs * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/ste-ccu8540.dts b/arch/arm/boot/dts/ste-ccu8540.dts index 32dd55e5f4e6..6eaaf638e52e 100644 --- a/arch/arm/boot/dts/ste-ccu8540.dts +++ b/arch/arm/boot/dts/ste-ccu8540.dts @@ -17,6 +17,13 @@ model = "ST-Ericsson U8540 platform with Device Tree"; compatible = "st-ericsson,ccu8540", "st-ericsson,u8540"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + memory@0 { device_type = "memory"; reg = <0x20000000 0x1f000000>, <0xc0000000 0x3f000000>; diff --git a/arch/arm/boot/dts/ste-ccu9540.dts b/arch/arm/boot/dts/ste-ccu9540.dts index 651c56d400a4..c8b815819cfe 100644 --- a/arch/arm/boot/dts/ste-ccu9540.dts +++ b/arch/arm/boot/dts/ste-ccu9540.dts @@ -16,6 +16,13 @@ model = "ST-Ericsson CCU9540 platform with Device Tree"; compatible = "st-ericsson,ccu9540", "st-ericsson,u9540"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + memory { reg = <0x00000000 0x20000000>; }; diff --git a/arch/arm/boot/dts/ste-dbx5x0.dtsi b/arch/arm/boot/dts/ste-dbx5x0.dtsi index 853684ad7773..b8f81fb418ce 100644 --- a/arch/arm/boot/dts/ste-dbx5x0.dtsi +++ b/arch/arm/boot/dts/ste-dbx5x0.dtsi @@ -15,6 +15,33 @@ #include "skeleton.dtsi" / { + cpus { + #address-cells = <1>; + #size-cells = <0>; + enable-method = "ste,dbx500-smp"; + + cpu-map { + cluster0 { + core0 { + cpu = <&CPU0>; + }; + core1 { + cpu = <&CPU1>; + }; + }; + }; + CPU0: cpu@300 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0x300>; + }; + CPU1: cpu@301 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0x301>; + }; + }; + soc { #address-cells = <1>; #size-cells = <1>; @@ -22,32 +49,6 @@ interrupt-parent = <&intc>; ranges; - cpus { - #address-cells = <1>; - #size-cells = <0>; - - cpu-map { - cluster0 { - core0 { - cpu = <&CPU0>; - }; - core1 { - cpu = <&CPU1>; - }; - }; - }; - CPU0: cpu@0 { - device_type = "cpu"; - compatible = "arm,cortex-a9"; - reg = <0>; - }; - CPU1: cpu@1 { - device_type = "cpu"; - compatible = "arm,cortex-a9"; - reg = <1>; - }; - }; - ptm@801ae000 { compatible = "arm,coresight-etm3x", "arm,primecell"; reg = <0x801ae000 0x1000>; @@ -971,7 +972,7 @@ power-domains = <&pm_domains DOMAIN_VAPE>; }; - uart@80120000 { + ux500_serial0: uart@80120000 { compatible = "arm,pl011", "arm,primecell"; reg = <0x80120000 0x1000>; interrupts = <0 11 IRQ_TYPE_LEVEL_HIGH>; @@ -986,7 +987,7 @@ status = "disabled"; }; - uart@80121000 { + ux500_serial1: uart@80121000 { compatible = "arm,pl011", "arm,primecell"; reg = <0x80121000 0x1000>; interrupts = <0 19 IRQ_TYPE_LEVEL_HIGH>; @@ -1001,7 +1002,7 @@ status = "disabled"; }; - uart@80007000 { + ux500_serial2: uart@80007000 { compatible = "arm,pl011", "arm,primecell"; reg = <0x80007000 0x1000>; interrupts = <0 26 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm/boot/dts/ste-href.dtsi b/arch/arm/boot/dts/ste-href.dtsi index 744c1e3a744d..6d8ce154347e 100644 --- a/arch/arm/boot/dts/ste-href.dtsi +++ b/arch/arm/boot/dts/ste-href.dtsi @@ -32,11 +32,11 @@ status = "okay"; }; + /* This UART is unused and thus left disabled */ uart@80121000 { pinctrl-names = "default", "sleep"; pinctrl-0 = <&uart1_default_mode>; pinctrl-1 = <&uart1_sleep_mode>; - status = "okay"; }; uart@80007000 { diff --git a/arch/arm/boot/dts/ste-hrefprev60-stuib.dts b/arch/arm/boot/dts/ste-hrefprev60-stuib.dts index 2b1cb5b584b6..18e9795a94f9 100644 --- a/arch/arm/boot/dts/ste-hrefprev60-stuib.dts +++ b/arch/arm/boot/dts/ste-hrefprev60-stuib.dts @@ -17,6 +17,13 @@ model = "ST-Ericsson HREF (pre-v60) and ST UIB"; compatible = "st-ericsson,mop500", "st-ericsson,u8500"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + soc { /* Reset line for the BU21013 touchscreen */ i2c@80110000 { diff --git a/arch/arm/boot/dts/ste-hrefprev60-tvk.dts b/arch/arm/boot/dts/ste-hrefprev60-tvk.dts index 59523f866812..24739914e689 100644 --- a/arch/arm/boot/dts/ste-hrefprev60-tvk.dts +++ b/arch/arm/boot/dts/ste-hrefprev60-tvk.dts @@ -16,4 +16,11 @@ / { model = "ST-Ericsson HREF (pre-v60) and TVK1281618 UIB"; compatible = "st-ericsson,mop500", "st-ericsson,u8500"; + + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; }; diff --git a/arch/arm/boot/dts/ste-hrefprev60.dtsi b/arch/arm/boot/dts/ste-hrefprev60.dtsi index 7f3975b58d16..b0278f4c486c 100644 --- a/arch/arm/boot/dts/ste-hrefprev60.dtsi +++ b/arch/arm/boot/dts/ste-hrefprev60.dtsi @@ -23,6 +23,11 @@ }; soc { + /* Enable UART1 on this board */ + uart@80121000 { + status = "okay"; + }; + i2c@80004000 { tps61052@33 { compatible = "tps61052"; diff --git a/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts b/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts index 8c6a2de56cf1..c2e1ba019a2f 100644 --- a/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts +++ b/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts @@ -19,6 +19,13 @@ model = "ST-Ericsson HREF (v60+) and ST UIB"; compatible = "st-ericsson,hrefv60+", "st-ericsson,u8500"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + soc { /* Reset line for the BU21013 touchscreen */ i2c@80110000 { diff --git a/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts b/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts index d53cccdce776..ebd8547e98f1 100644 --- a/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts +++ b/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts @@ -18,4 +18,11 @@ / { model = "ST-Ericsson HREF (v60+) and TVK1281618 UIB"; compatible = "st-ericsson,hrefv60+", "st-ericsson,u8500"; + + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; }; diff --git a/arch/arm/boot/dts/ste-hrefv60plus.dtsi b/arch/arm/boot/dts/ste-hrefv60plus.dtsi index a4bc9e77d640..810cda743b6d 100644 --- a/arch/arm/boot/dts/ste-hrefv60plus.dtsi +++ b/arch/arm/boot/dts/ste-hrefv60plus.dtsi @@ -43,15 +43,26 @@ <&vaudio_hf_hrefv60_mode>, <&gbf_hrefv60_mode>, <&hdtv_hrefv60_mode>, - <&touch_hrefv60_mode>; + <&touch_hrefv60_mode>, + <&gpios_hrefv60_mode>; sdi0 { - /* SD card detect GPIO pin, extend default state */ sdi0_default_mode: sdi0_default { + /* SD card detect GPIO pin, extend default state */ default_hrefv60_cfg1 { pins = "GPIO95_E8"; ste,config = <&gpio_in_pu>; }; + /* VMMCI level-shifter enable */ + default_hrefv60_cfg2 { + pins = "GPIO169_D22"; + ste,config = <&gpio_out_lo>; + }; + /* VMMCI level-shifter voltage select */ + default_hrefv60_cfg3 { + pins = "GPIO5_AG6"; + ste,config = <&gpio_out_hi>; + }; }; }; ipgpio { @@ -213,6 +224,16 @@ }; }; }; + gpios { + /* Dangling GPIO pins */ + gpios_hrefv60_mode: gpios_hrefv60 { + default_cfg1 { + /* Normally UART1 RXD, now dangling */ + pins = "GPIO4_AH6"; + ste,config = <&in_pu>; + }; + }; + }; }; }; }; diff --git a/arch/arm/boot/dts/ste-nomadik-nhk15.dts b/arch/arm/boot/dts/ste-nomadik-nhk15.dts index 3d0b8755caee..3d25dba143a5 100644 --- a/arch/arm/boot/dts/ste-nomadik-nhk15.dts +++ b/arch/arm/boot/dts/ste-nomadik-nhk15.dts @@ -17,6 +17,7 @@ }; aliases { + serial1 = &uart1; stmpe-i2c0 = &stmpe0; stmpe-i2c1 = &stmpe1; }; diff --git a/arch/arm/boot/dts/ste-nomadik-s8815.dts b/arch/arm/boot/dts/ste-nomadik-s8815.dts index 85d3b95dfdba..3c140d05f796 100644 --- a/arch/arm/boot/dts/ste-nomadik-s8815.dts +++ b/arch/arm/boot/dts/ste-nomadik-s8815.dts @@ -15,6 +15,10 @@ bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk"; }; + aliases { + serial1 = &uart1; + }; + src@101e0000 { /* These chrystal drivers are not used on this board */ disable-sxtalo; diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi index 9a5f2ba139b7..ef794a33b4dc 100644 --- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi +++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi @@ -757,6 +757,7 @@ clock-names = "uartclk", "apb_pclk"; pinctrl-names = "default"; pinctrl-0 = <&uart0_default_mux>; + status = "disabled"; }; uart1: uart@101fb000 { diff --git a/arch/arm/boot/dts/ste-snowball.dts b/arch/arm/boot/dts/ste-snowball.dts index 9edadc37719f..32a5ccb14e7e 100644 --- a/arch/arm/boot/dts/ste-snowball.dts +++ b/arch/arm/boot/dts/ste-snowball.dts @@ -18,6 +18,13 @@ model = "Calao Systems Snowball platform with device tree"; compatible = "calaosystems,snowball-a9500", "st-ericsson,u9500"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + memory { reg = <0x00000000 0x20000000>; }; @@ -223,11 +230,11 @@ status = "okay"; }; + /* This UART is unused and thus left disabled */ uart@80121000 { pinctrl-names = "default", "sleep"; pinctrl-0 = <&uart1_default_mode>; pinctrl-1 = <&uart1_sleep_mode>; - status = "okay"; }; uart@80007000 { @@ -452,7 +459,21 @@ pins = "GPIO21_AB3"; /* DAT31DIR */ ste,config = <&out_hi>; }; - + /* SD card detect GPIO pin, extend default state */ + snowball_cfg2 { + pins = "GPIO218_AH11"; + ste,config = <&gpio_in_pu>; + }; + /* VMMCI level-shifter enable */ + snowball_cfg3 { + pins = "GPIO217_AH12"; + ste,config = <&gpio_out_lo>; + }; + /* VMMCI level-shifter voltage select */ + snowball_cfg4 { + pins = "GPIO228_AJ6"; + ste,config = <&gpio_out_hi>; + }; }; }; ssp0 { diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts index 107395c32d82..17f63f7dfd9e 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts @@ -150,6 +150,16 @@ interface-type = "ace"; reg = <0x5000 0x1000>; }; + + pmu@9000 { + compatible = "arm,cci-400-pmu,r0"; + reg = <0x9000 0x5000>; + interrupts = <0 105 4>, + <0 101 4>, + <0 102 4>, + <0 103 4>, + <0 104 4>; + }; }; memory-controller@7ffd0000 { @@ -187,11 +197,22 @@ <1 10 0xf08>; }; - pmu { + pmu_a15 { compatible = "arm,cortex-a15-pmu"; interrupts = <0 68 4>, <0 69 4>; - interrupt-affinity = <&cpu0>, <&cpu1>; + interrupt-affinity = <&cpu0>, + <&cpu1>; + }; + + pmu_a7 { + compatible = "arm,cortex-a7-pmu"; + interrupts = <0 128 4>, + <0 129 4>, + <0 130 4>; + interrupt-affinity = <&cpu2>, + <&cpu3>, + <&cpu4>; }; oscclk6a: oscclk6a { diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index 6d83a1bf0c74..5fd8df6f50ea 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -353,7 +353,6 @@ CONFIG_POWER_RESET_AS3722=y CONFIG_POWER_RESET_GPIO=y CONFIG_POWER_RESET_GPIO_RESTART=y CONFIG_POWER_RESET_KEYSTONE=y -CONFIG_POWER_RESET_SUN6I=y CONFIG_POWER_RESET_RMOBILE=y CONFIG_SENSORS_LM90=y CONFIG_SENSORS_LM95245=y diff --git a/arch/arm/configs/sunxi_defconfig b/arch/arm/configs/sunxi_defconfig index 8ecba00dcd83..7ebc346bf9fa 100644 --- a/arch/arm/configs/sunxi_defconfig +++ b/arch/arm/configs/sunxi_defconfig @@ -2,6 +2,7 @@ CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_BLK_DEV_INITRD=y CONFIG_PERF_EVENTS=y +CONFIG_MODULES=y CONFIG_ARCH_SUNXI=y CONFIG_SMP=y CONFIG_NR_CPUS=8 @@ -77,7 +78,6 @@ CONFIG_SPI_SUN6I=y CONFIG_GPIO_SYSFS=y CONFIG_POWER_SUPPLY=y CONFIG_POWER_RESET=y -CONFIG_POWER_RESET_SUN6I=y CONFIG_THERMAL=y CONFIG_CPU_THERMAL=y CONFIG_WATCHDOG=y @@ -87,6 +87,10 @@ CONFIG_REGULATOR=y CONFIG_REGULATOR_FIXED_VOLTAGE=y CONFIG_REGULATOR_AXP20X=y CONFIG_REGULATOR_GPIO=y +CONFIG_FB=y +CONFIG_FB_SIMPLE=y +CONFIG_FRAMEBUFFER_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y CONFIG_USB=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_HCD_PLATFORM=y diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild index 83c50193626c..30b3bc1666d2 100644 --- a/arch/arm/include/asm/Kbuild +++ b/arch/arm/include/asm/Kbuild @@ -13,6 +13,7 @@ generic-y += kdebug.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += msgbuf.h generic-y += param.h generic-y += parport.h diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 1c3938f26beb..485982084fe9 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -140,16 +140,11 @@ static inline u32 __raw_readl(const volatile void __iomem *addr) * The _caller variety takes a __builtin_return_address(0) value for * /proc/vmalloc to use - and should only be used in non-inline functions. */ -extern void __iomem *__arm_ioremap_pfn_caller(unsigned long, unsigned long, - size_t, unsigned int, void *); extern void __iomem *__arm_ioremap_caller(phys_addr_t, size_t, unsigned int, void *); - extern void __iomem *__arm_ioremap_pfn(unsigned long, unsigned long, size_t, unsigned int); -extern void __iomem *__arm_ioremap(phys_addr_t, size_t, unsigned int); extern void __iomem *__arm_ioremap_exec(phys_addr_t, size_t, bool cached); extern void __iounmap(volatile void __iomem *addr); -extern void __arm_iounmap(volatile void __iomem *addr); extern void __iomem * (*arch_ioremap_caller)(phys_addr_t, size_t, unsigned int, void *); @@ -321,21 +316,24 @@ extern void _memset_io(volatile void __iomem *, int, size_t); static inline void memset_io(volatile void __iomem *dst, unsigned c, size_t count) { - memset((void __force *)dst, c, count); + extern void mmioset(void *, unsigned int, size_t); + mmioset((void __force *)dst, c, count); } #define memset_io(dst,c,count) memset_io(dst,c,count) static inline void memcpy_fromio(void *to, const volatile void __iomem *from, size_t count) { - memcpy(to, (const void __force *)from, count); + extern void mmiocpy(void *, const void *, size_t); + mmiocpy(to, (const void __force *)from, count); } #define memcpy_fromio(to,from,count) memcpy_fromio(to,from,count) static inline void memcpy_toio(volatile void __iomem *to, const void *from, size_t count) { - memcpy((void __force *)to, from, count); + extern void mmiocpy(void *, const void *, size_t); + mmiocpy((void __force *)to, from, count); } #define memcpy_toio(to,from,count) memcpy_toio(to,from,count) @@ -348,18 +346,61 @@ static inline void memcpy_toio(volatile void __iomem *to, const void *from, #endif /* readl */ /* - * ioremap and friends. + * ioremap() and friends. + * + * ioremap() takes a resource address, and size. Due to the ARM memory + * types, it is important to use the correct ioremap() function as each + * mapping has specific properties. + * + * Function Memory type Cacheability Cache hint + * ioremap() Device n/a n/a + * ioremap_nocache() Device n/a n/a + * ioremap_cache() Normal Writeback Read allocate + * ioremap_wc() Normal Non-cacheable n/a + * ioremap_wt() Normal Non-cacheable n/a + * + * All device mappings have the following properties: + * - no access speculation + * - no repetition (eg, on return from an exception) + * - number, order and size of accesses are maintained + * - unaligned accesses are "unpredictable" + * - writes may be delayed before they hit the endpoint device * - * ioremap takes a PCI memory address, as specified in - * Documentation/io-mapping.txt. + * ioremap_nocache() is the same as ioremap() as there are too many device + * drivers using this for device registers, and documentation which tells + * people to use it for such for this to be any different. This is not a + * safe fallback for memory-like mappings, or memory regions where the + * compiler may generate unaligned accesses - eg, via inlining its own + * memcpy. * + * All normal memory mappings have the following properties: + * - reads can be repeated with no side effects + * - repeated reads return the last value written + * - reads can fetch additional locations without side effects + * - writes can be repeated (in certain cases) with no side effects + * - writes can be merged before accessing the target + * - unaligned accesses can be supported + * - ordering is not guaranteed without explicit dependencies or barrier + * instructions + * - writes may be delayed before they hit the endpoint memory + * + * The cache hint is only a performance hint: CPUs may alias these hints. + * Eg, a CPU not implementing read allocate but implementing write allocate + * will provide a write allocate mapping instead. */ -#define ioremap(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE) -#define ioremap_nocache(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE) -#define ioremap_cache(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_CACHED) -#define ioremap_wc(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_WC) -#define ioremap_wt(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE) -#define iounmap __arm_iounmap +void __iomem *ioremap(resource_size_t res_cookie, size_t size); +#define ioremap ioremap +#define ioremap_nocache ioremap + +void __iomem *ioremap_cache(resource_size_t res_cookie, size_t size); +#define ioremap_cache ioremap_cache + +void __iomem *ioremap_wc(resource_size_t res_cookie, size_t size); +#define ioremap_wc ioremap_wc +#define ioremap_wt ioremap_wc + +void iounmap(volatile void __iomem *iomem_cookie); +#define iounmap iounmap /* * io{read,write}{16,32}be() macros diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 3a72d69b3255..b7f6fb462ea0 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -275,7 +275,7 @@ static inline void *phys_to_virt(phys_addr_t x) */ #define __pa(x) __virt_to_phys((unsigned long)(x)) #define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x))) -#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) +#define pfn_to_kaddr(pfn) __va((phys_addr_t)(pfn) << PAGE_SHIFT) extern phys_addr_t (*arch_virt_to_idmap)(unsigned long x); @@ -286,7 +286,7 @@ extern phys_addr_t (*arch_virt_to_idmap)(unsigned long x); */ static inline phys_addr_t __virt_to_idmap(unsigned long x) { - if (arch_virt_to_idmap) + if (IS_ENABLED(CONFIG_MMU) && arch_virt_to_idmap) return arch_virt_to_idmap(x); else return __virt_to_phys(x); diff --git a/arch/arm/include/asm/mm-arch-hooks.h b/arch/arm/include/asm/mm-arch-hooks.h deleted file mode 100644 index 7056660c7cc4..000000000000 --- a/arch/arm/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_ARM_MM_ARCH_HOOKS_H -#define _ASM_ARM_MM_ARCH_HOOKS_H - -#endif /* _ASM_ARM_MM_ARCH_HOOKS_H */ diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h index bfd662e49a25..aeddd28b3595 100644 --- a/arch/arm/include/asm/pgtable-2level.h +++ b/arch/arm/include/asm/pgtable-2level.h @@ -129,7 +129,36 @@ /* * These are the memory types, defined to be compatible with - * pre-ARMv6 CPUs cacheable and bufferable bits: XXCB + * pre-ARMv6 CPUs cacheable and bufferable bits: n/a,n/a,C,B + * ARMv6+ without TEX remapping, they are a table index. + * ARMv6+ with TEX remapping, they correspond to n/a,TEX(0),C,B + * + * MT type Pre-ARMv6 ARMv6+ type / cacheable status + * UNCACHED Uncached Strongly ordered + * BUFFERABLE Bufferable Normal memory / non-cacheable + * WRITETHROUGH Writethrough Normal memory / write through + * WRITEBACK Writeback Normal memory / write back, read alloc + * MINICACHE Minicache N/A + * WRITEALLOC Writeback Normal memory / write back, write alloc + * DEV_SHARED Uncached Device memory (shared) + * DEV_NONSHARED Uncached Device memory (non-shared) + * DEV_WC Bufferable Normal memory / non-cacheable + * DEV_CACHED Writeback Normal memory / write back, read alloc + * VECTORS Variable Normal memory / variable + * + * All normal memory mappings have the following properties: + * - reads can be repeated with no side effects + * - repeated reads return the last value written + * - reads can fetch additional locations without side effects + * - writes can be repeated (in certain cases) with no side effects + * - writes can be merged before accessing the target + * - unaligned accesses can be supported + * + * All device mappings have the following properties: + * - no access speculation + * - no repetition (eg, on return from an exception) + * - number, order and size of accesses are maintained + * - unaligned accesses are "unpredictable" */ #define L_PTE_MT_UNCACHED (_AT(pteval_t, 0x00) << 2) /* 0000 */ #define L_PTE_MT_BUFFERABLE (_AT(pteval_t, 0x01) << 2) /* 0001 */ diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c index a88671cfe1ff..5e5a51a99e68 100644 --- a/arch/arm/kernel/armksyms.c +++ b/arch/arm/kernel/armksyms.c @@ -50,6 +50,9 @@ extern void __aeabi_ulcmp(void); extern void fpundefinstr(void); +void mmioset(void *, unsigned int, size_t); +void mmiocpy(void *, const void *, size_t); + /* platform dependent support */ EXPORT_SYMBOL(arm_delay_ops); @@ -88,6 +91,9 @@ EXPORT_SYMBOL(memmove); EXPORT_SYMBOL(memchr); EXPORT_SYMBOL(__memzero); +EXPORT_SYMBOL(mmioset); +EXPORT_SYMBOL(mmiocpy); + #ifdef CONFIG_MMU EXPORT_SYMBOL(copy_page); diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 7dac3086e361..cb4fb1e69778 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -410,7 +410,7 @@ ENDPROC(__fiq_abt) zero_fp .if \trace -#ifdef CONFIG_IRQSOFF_TRACER +#ifdef CONFIG_TRACE_IRQFLAGS bl trace_hardirqs_off #endif ct_user_exit save = 0 diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 92828a1dec80..b48dd4f37f80 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -61,6 +61,7 @@ work_pending: movlt scno, #(__NR_restart_syscall - __NR_SYSCALL_BASE) ldmia sp, {r0 - r6} @ have to reload r0 - r6 b local_restart @ ... and off we go +ENDPROC(ret_fast_syscall) /* * "slow" syscall return path. "why" tells us if this was a real syscall. diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index bd755d97e459..29e2991465cb 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -399,6 +399,9 @@ ENTRY(secondary_startup) sub lr, r4, r5 @ mmu has been enabled add r3, r7, lr ldrd r4, [r3, #0] @ get secondary_data.pgdir +ARM_BE8(eor r4, r4, r5) @ Swap r5 and r4 in BE: +ARM_BE8(eor r5, r4, r5) @ it can be done in 3 steps +ARM_BE8(eor r4, r4, r5) @ without using a temp reg. ldr r8, [r3, #8] @ get secondary_data.swapper_pg_dir badr lr, __enable_mmu @ return address mov r13, r12 @ __secondary_switched address diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index 357f57ea83f4..54272e0be713 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -818,12 +818,13 @@ static int of_pmu_irq_cfg(struct arm_pmu *pmu) if (arch_find_n_match_cpu_physical_id(dn, cpu, NULL)) break; - of_node_put(dn); if (cpu >= nr_cpu_ids) { pr_warn("Failed to find logical CPU for %s\n", dn->name); + of_node_put(dn); break; } + of_node_put(dn); irqs[i] = cpu; cpumask_set_cpu(cpu, &pmu->supported_cpus); diff --git a/arch/arm/kernel/reboot.c b/arch/arm/kernel/reboot.c index 1a4d232796be..38269358fd25 100644 --- a/arch/arm/kernel/reboot.c +++ b/arch/arm/kernel/reboot.c @@ -50,7 +50,7 @@ static void __soft_restart(void *addr) flush_cache_all(); /* Switch to the identity mapping. */ - phys_reset = (phys_reset_t)(unsigned long)virt_to_phys(cpu_reset); + phys_reset = (phys_reset_t)(unsigned long)virt_to_idmap(cpu_reset); phys_reset((unsigned long)addr); /* Should never get here. */ diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 90dfbedfbfb8..3d6b7821cff8 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -578,7 +578,7 @@ void handle_IPI(int ipinr, struct pt_regs *regs) struct pt_regs *old_regs = set_irq_regs(regs); if ((unsigned)ipinr < NR_IPI) { - trace_ipi_entry(ipi_types[ipinr]); + trace_ipi_entry_rcuidle(ipi_types[ipinr]); __inc_irq_stat(cpu, ipi_irqs[ipinr]); } @@ -637,7 +637,7 @@ void handle_IPI(int ipinr, struct pt_regs *regs) } if ((unsigned)ipinr < NR_IPI) - trace_ipi_exit(ipi_types[ipinr]); + trace_ipi_exit_rcuidle(ipi_types[ipinr]); set_irq_regs(old_regs); } diff --git a/arch/arm/kernel/vdso.c b/arch/arm/kernel/vdso.c index efe17dd9b921..54a5aeab988d 100644 --- a/arch/arm/kernel/vdso.c +++ b/arch/arm/kernel/vdso.c @@ -296,7 +296,6 @@ static bool tk_is_cntvct(const struct timekeeper *tk) */ void update_vsyscall(struct timekeeper *tk) { - struct timespec xtime_coarse; struct timespec64 *wtm = &tk->wall_to_monotonic; if (!cntvct_ok) { @@ -308,10 +307,10 @@ void update_vsyscall(struct timekeeper *tk) vdso_write_begin(vdso_data); - xtime_coarse = __current_kernel_time(); vdso_data->tk_is_cntvct = tk_is_cntvct(tk); - vdso_data->xtime_coarse_sec = xtime_coarse.tv_sec; - vdso_data->xtime_coarse_nsec = xtime_coarse.tv_nsec; + vdso_data->xtime_coarse_sec = tk->xtime_sec; + vdso_data->xtime_coarse_nsec = (u32)(tk->tkr_mono.xtime_nsec >> + tk->tkr_mono.shift); vdso_data->wtm_clock_sec = wtm->tv_sec; vdso_data->wtm_clock_nsec = wtm->tv_nsec; diff --git a/arch/arm/lib/memcpy.S b/arch/arm/lib/memcpy.S index 7797e81e40e0..64111bd4440b 100644 --- a/arch/arm/lib/memcpy.S +++ b/arch/arm/lib/memcpy.S @@ -61,8 +61,10 @@ /* Prototype: void *memcpy(void *dest, const void *src, size_t n); */ +ENTRY(mmiocpy) ENTRY(memcpy) #include "copy_template.S" ENDPROC(memcpy) +ENDPROC(mmiocpy) diff --git a/arch/arm/lib/memset.S b/arch/arm/lib/memset.S index a4ee97b5a2bf..3c65e3bd790f 100644 --- a/arch/arm/lib/memset.S +++ b/arch/arm/lib/memset.S @@ -16,6 +16,7 @@ .text .align 5 +ENTRY(mmioset) ENTRY(memset) UNWIND( .fnstart ) ands r3, r0, #3 @ 1 unaligned? @@ -133,3 +134,4 @@ UNWIND( .fnstart ) b 1b UNWIND( .fnend ) ENDPROC(memset) +ENDPROC(mmioset) diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c index 3e58d710013c..4b39af2dfda9 100644 --- a/arch/arm/lib/uaccess_with_memcpy.c +++ b/arch/arm/lib/uaccess_with_memcpy.c @@ -96,7 +96,7 @@ __copy_to_user_memcpy(void __user *to, const void *from, unsigned long n) } /* the mmap semaphore is taken only if not in an atomic context */ - atomic = in_atomic(); + atomic = faulthandler_disabled(); if (!atomic) down_read(¤t->mm->mmap_sem); diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c index 6001f1c9d136..4a87e86dec45 100644 --- a/arch/arm/mach-exynos/pm_domains.c +++ b/arch/arm/mach-exynos/pm_domains.c @@ -146,9 +146,8 @@ static __init int exynos4_pm_init_power_domain(void) pd->base = of_iomap(np, 0); if (!pd->base) { pr_warn("%s: failed to map memory\n", __func__); - kfree(pd->pd.name); + kfree_const(pd->pd.name); kfree(pd); - of_node_put(np); continue; } diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c index 80bad29d609a..8c4467fad837 100644 --- a/arch/arm/mach-imx/gpc.c +++ b/arch/arm/mach-imx/gpc.c @@ -291,8 +291,6 @@ void __init imx_gpc_check_dt(void) } } -#ifdef CONFIG_PM_GENERIC_DOMAINS - static void _imx6q_pm_pu_power_off(struct generic_pm_domain *genpd) { int iso, iso2sw; @@ -399,7 +397,6 @@ static struct genpd_onecell_data imx_gpc_onecell_data = { static int imx_gpc_genpd_init(struct device *dev, struct regulator *pu_reg) { struct clk *clk; - bool is_off; int i; imx6q_pu_domain.reg = pu_reg; @@ -416,18 +413,13 @@ static int imx_gpc_genpd_init(struct device *dev, struct regulator *pu_reg) } imx6q_pu_domain.num_clks = i; - is_off = IS_ENABLED(CONFIG_PM); - if (is_off) { - _imx6q_pm_pu_power_off(&imx6q_pu_domain.base); - } else { - /* - * Enable power if compiled without CONFIG_PM in case the - * bootloader disabled it. - */ - imx6q_pm_pu_power_on(&imx6q_pu_domain.base); - } + /* Enable power always in case bootloader disabled it. */ + imx6q_pm_pu_power_on(&imx6q_pu_domain.base); + + if (!IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS)) + return 0; - pm_genpd_init(&imx6q_pu_domain.base, NULL, is_off); + pm_genpd_init(&imx6q_pu_domain.base, NULL, false); return of_genpd_add_provider_onecell(dev->of_node, &imx_gpc_onecell_data); @@ -437,13 +429,6 @@ clk_err: return -EINVAL; } -#else -static inline int imx_gpc_genpd_init(struct device *dev, struct regulator *reg) -{ - return 0; -} -#endif /* CONFIG_PM_GENERIC_DOMAINS */ - static int imx_gpc_probe(struct platform_device *pdev) { struct regulator *pu_reg; diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index ecc04ff13e95..4a023e8d1bdb 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -60,6 +60,7 @@ config SOC_AM43XX select ARM_GIC select MACH_OMAP_GENERIC select MIGHT_HAVE_CACHE_L2X0 + select HAVE_ARM_SCU config SOC_DRA7XX bool "TI DRA7XX" diff --git a/arch/arm/mach-omap2/dma.c b/arch/arm/mach-omap2/dma.c index e1a56d87599e..1ed4be184a29 100644 --- a/arch/arm/mach-omap2/dma.c +++ b/arch/arm/mach-omap2/dma.c @@ -117,7 +117,6 @@ static void omap2_show_dma_caps(void) u8 revision = dma_read(REVISION, 0) & 0xff; printk(KERN_INFO "OMAP DMA hardware revision %d.%d\n", revision >> 4, revision & 0xf); - return; } static unsigned configure_dma_errata(void) diff --git a/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c index 8e52621b5a6b..e1d2e991d17a 100644 --- a/arch/arm/mach-omap2/omap-wakeupgen.c +++ b/arch/arm/mach-omap2/omap-wakeupgen.c @@ -392,6 +392,7 @@ static struct irq_chip wakeupgen_chip = { .irq_mask = wakeupgen_mask, .irq_unmask = wakeupgen_unmask, .irq_retrigger = irq_chip_retrigger_hierarchy, + .irq_set_type = irq_chip_set_type_parent, .flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_MASK_ON_SUSPEND, #ifdef CONFIG_SMP .irq_set_affinity = irq_chip_set_affinity_parent, diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index d78c12e7cb5e..486cc4ded190 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -2373,6 +2373,9 @@ static int of_dev_hwmod_lookup(struct device_node *np, * registers. This address is needed early so the OCP registers that * are part of the device's address space can be ioremapped properly. * + * If SYSC access is not needed, the registers will not be remapped + * and non-availability of MPU access is not treated as an error. + * * Returns 0 on success, -EINVAL if an invalid hwmod is passed, and * -ENXIO on absent or invalid register target address space. */ @@ -2387,6 +2390,11 @@ static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data, _save_mpu_port_index(oh); + /* if we don't need sysc access we don't need to ioremap */ + if (!oh->class->sysc) + return 0; + + /* we can't continue without MPU PORT if we need sysc access */ if (oh->_int_flags & _HWMOD_NO_MPU_PORT) return -ENXIO; @@ -2396,8 +2404,10 @@ static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data, oh->name); /* Extract the IO space from device tree blob */ - if (!np) + if (!np) { + pr_err("omap_hwmod: %s: no dt node\n", oh->name); return -ENXIO; + } va_start = of_iomap(np, index + oh->mpu_rt_idx); } else { @@ -2456,13 +2466,11 @@ static int __init _init(struct omap_hwmod *oh, void *data) oh->name, np->name); } - if (oh->class->sysc) { - r = _init_mpu_rt_base(oh, NULL, index, np); - if (r < 0) { - WARN(1, "omap_hwmod: %s: doesn't have mpu register target base\n", - oh->name); - return 0; - } + r = _init_mpu_rt_base(oh, NULL, index, np); + if (r < 0) { + WARN(1, "omap_hwmod: %s: doesn't have mpu register target base\n", + oh->name); + return 0; } r = _init_clocks(oh, NULL); diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c index 2606c6608bd8..562247bced49 100644 --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c @@ -827,8 +827,7 @@ static struct omap_hwmod_class_sysconfig dra7xx_gpmc_sysc = { .syss_offs = 0x0014, .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | - SIDLE_SMART_WKUP), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), .sysc_fields = &omap_hwmod_sysc_type1, }; @@ -844,7 +843,7 @@ static struct omap_hwmod dra7xx_gpmc_hwmod = { .class = &dra7xx_gpmc_hwmod_class, .clkdm_name = "l3main1_clkdm", /* Skip reset for CONFIG_OMAP_GPMC_DEBUG for bootloader timings */ - .flags = HWMOD_SWSUP_SIDLE | DEBUG_OMAP_GPMC_HWMOD_FLAGS, + .flags = DEBUG_OMAP_GPMC_HWMOD_FLAGS, .main_clk = "l3_iclk_div", .prcm = { .omap4 = { diff --git a/arch/arm/mach-prima2/Kconfig b/arch/arm/mach-prima2/Kconfig index e03d8b5c9ad0..9ab8932403e5 100644 --- a/arch/arm/mach-prima2/Kconfig +++ b/arch/arm/mach-prima2/Kconfig @@ -4,6 +4,7 @@ menuconfig ARCH_SIRF select ARCH_REQUIRE_GPIOLIB select GENERIC_IRQ_CHIP select NO_IOPORT_MAP + select REGMAP select PINCTRL select PINCTRL_SIRF help diff --git a/arch/arm/mach-prima2/rtciobrg.c b/arch/arm/mach-prima2/rtciobrg.c index 8f66d8f7ca75..d4852d24dc7d 100644 --- a/arch/arm/mach-prima2/rtciobrg.c +++ b/arch/arm/mach-prima2/rtciobrg.c @@ -1,5 +1,5 @@ /* - * RTC I/O Bridge interfaces for CSR SiRFprimaII + * RTC I/O Bridge interfaces for CSR SiRFprimaII/atlas7 * ARM access the registers of SYSRTC, GPSRTC and PWRC through this module * * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. @@ -10,6 +10,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/io.h> +#include <linux/regmap.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_device.h> @@ -66,6 +67,7 @@ u32 sirfsoc_rtc_iobrg_readl(u32 addr) { unsigned long flags, val; + /* TODO: add hwspinlock to sync with M3 */ spin_lock_irqsave(&rtciobrg_lock, flags); val = __sirfsoc_rtc_iobrg_readl(addr); @@ -90,6 +92,7 @@ void sirfsoc_rtc_iobrg_writel(u32 val, u32 addr) { unsigned long flags; + /* TODO: add hwspinlock to sync with M3 */ spin_lock_irqsave(&rtciobrg_lock, flags); sirfsoc_rtc_iobrg_pre_writel(val, addr); @@ -102,6 +105,45 @@ void sirfsoc_rtc_iobrg_writel(u32 val, u32 addr) } EXPORT_SYMBOL_GPL(sirfsoc_rtc_iobrg_writel); + +static int regmap_iobg_regwrite(void *context, unsigned int reg, + unsigned int val) +{ + sirfsoc_rtc_iobrg_writel(val, reg); + return 0; +} + +static int regmap_iobg_regread(void *context, unsigned int reg, + unsigned int *val) +{ + *val = (u32)sirfsoc_rtc_iobrg_readl(reg); + return 0; +} + +static struct regmap_bus regmap_iobg = { + .reg_write = regmap_iobg_regwrite, + .reg_read = regmap_iobg_regread, +}; + +/** + * devm_regmap_init_iobg(): Initialise managed register map + * + * @iobg: Device that will be interacted with + * @config: Configuration for register map + * + * The return value will be an ERR_PTR() on error or a valid pointer + * to a struct regmap. The regmap will be automatically freed by the + * device management code. + */ +struct regmap *devm_regmap_init_iobg(struct device *dev, + const struct regmap_config *config) +{ + const struct regmap_bus *bus = ®map_iobg; + + return devm_regmap_init(dev, bus, dev, config); +} +EXPORT_SYMBOL_GPL(devm_regmap_init_iobg); + static const struct of_device_id rtciobrg_ids[] = { { .compatible = "sirf,prima2-rtciobg" }, {} @@ -132,7 +174,7 @@ static int __init sirfsoc_rtciobrg_init(void) } postcore_initcall(sirfsoc_rtciobrg_init); -MODULE_AUTHOR("Zhiwu Song <zhiwu.song@csr.com>, " - "Barry Song <baohua.song@csr.com>"); +MODULE_AUTHOR("Zhiwu Song <zhiwu.song@csr.com>"); +MODULE_AUTHOR("Barry Song <baohua.song@csr.com>"); MODULE_DESCRIPTION("CSR SiRFprimaII rtc io bridge"); MODULE_LICENSE("GPL v2"); diff --git a/arch/arm/mach-pxa/capc7117.c b/arch/arm/mach-pxa/capc7117.c index c092730749b9..bf366b39fa61 100644 --- a/arch/arm/mach-pxa/capc7117.c +++ b/arch/arm/mach-pxa/capc7117.c @@ -24,6 +24,7 @@ #include <linux/ata_platform.h> #include <linux/serial_8250.h> #include <linux/gpio.h> +#include <linux/regulator/machine.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -144,6 +145,8 @@ static void __init capc7117_init(void) capc7117_uarts_init(); capc7117_ide_init(); + + regulator_has_full_constraints(); } MACHINE_START(CAPC7117, diff --git a/arch/arm/mach-pxa/cm-x2xx.c b/arch/arm/mach-pxa/cm-x2xx.c index bb99f59a36d8..a17a91eb8e9a 100644 --- a/arch/arm/mach-pxa/cm-x2xx.c +++ b/arch/arm/mach-pxa/cm-x2xx.c @@ -13,6 +13,7 @@ #include <linux/syscore_ops.h> #include <linux/irq.h> #include <linux/gpio.h> +#include <linux/regulator/machine.h> #include <linux/dm9000.h> #include <linux/leds.h> @@ -466,6 +467,8 @@ static void __init cmx2xx_init(void) cmx2xx_init_ac97(); cmx2xx_init_touchscreen(); cmx2xx_init_leds(); + + regulator_has_full_constraints(); } static void __init cmx2xx_init_irq(void) diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c index 4d3588d26c2a..5851f4c254c1 100644 --- a/arch/arm/mach-pxa/cm-x300.c +++ b/arch/arm/mach-pxa/cm-x300.c @@ -835,6 +835,8 @@ static void __init cm_x300_init(void) cm_x300_init_ac97(); cm_x300_init_wi2wi(); cm_x300_init_bl(); + + regulator_has_full_constraints(); } static void __init cm_x300_fixup(struct tag *tags, char **cmdline) diff --git a/arch/arm/mach-pxa/colibri-pxa270.c b/arch/arm/mach-pxa/colibri-pxa270.c index 5f9d9303b346..3503826333c7 100644 --- a/arch/arm/mach-pxa/colibri-pxa270.c +++ b/arch/arm/mach-pxa/colibri-pxa270.c @@ -18,6 +18,7 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> #include <linux/platform_device.h> +#include <linux/regulator/machine.h> #include <linux/ucb1400.h> #include <asm/mach/arch.h> @@ -294,6 +295,8 @@ static void __init colibri_pxa270_init(void) printk(KERN_ERR "Illegal colibri_pxa270_baseboard type %d\n", colibri_pxa270_baseboard); } + + regulator_has_full_constraints(); } /* The "Income s.r.o. SH-Dmaster PXA270 SBC" board can be booted either diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c index 51531ecffca8..9d7072b04045 100644 --- a/arch/arm/mach-pxa/em-x270.c +++ b/arch/arm/mach-pxa/em-x270.c @@ -1306,6 +1306,8 @@ static void __init em_x270_init(void) em_x270_init_i2c(); em_x270_init_camera(); em_x270_userspace_consumers_init(); + + regulator_has_full_constraints(); } MACHINE_START(EM_X270, "Compulab EM-X270") diff --git a/arch/arm/mach-pxa/icontrol.c b/arch/arm/mach-pxa/icontrol.c index c98511c5abd1..9b0eb0252af6 100644 --- a/arch/arm/mach-pxa/icontrol.c +++ b/arch/arm/mach-pxa/icontrol.c @@ -26,6 +26,7 @@ #include <linux/spi/spi.h> #include <linux/spi/pxa2xx_spi.h> #include <linux/can/platform/mcp251x.h> +#include <linux/regulator/machine.h> #include "generic.h" @@ -185,6 +186,8 @@ static void __init icontrol_init(void) mxm_8x10_mmc_init(); icontrol_can_init(); + + regulator_has_full_constraints(); } MACHINE_START(ICONTROL, "iControl/SafeTcam boards using Embedian MXM-8x10 CoM") diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c index 872dcb20e757..066e3a250ee0 100644 --- a/arch/arm/mach-pxa/trizeps4.c +++ b/arch/arm/mach-pxa/trizeps4.c @@ -26,6 +26,7 @@ #include <linux/dm9000.h> #include <linux/mtd/physmap.h> #include <linux/mtd/partitions.h> +#include <linux/regulator/machine.h> #include <linux/i2c/pxa-i2c.h> #include <asm/types.h> @@ -534,6 +535,8 @@ static void __init trizeps4_init(void) BCR_writew(trizeps_conxs_bcr); board_backlight_power(1); + + regulator_has_full_constraints(); } static void __init trizeps4_map_io(void) diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c index aa89488f961e..54122a983ae3 100644 --- a/arch/arm/mach-pxa/vpac270.c +++ b/arch/arm/mach-pxa/vpac270.c @@ -24,6 +24,7 @@ #include <linux/dm9000.h> #include <linux/ucb1400.h> #include <linux/ata_platform.h> +#include <linux/regulator/machine.h> #include <linux/regulator/max1586.h> #include <linux/i2c/pxa-i2c.h> @@ -711,6 +712,8 @@ static void __init vpac270_init(void) vpac270_ts_init(); vpac270_rtc_init(); vpac270_ide_init(); + + regulator_has_full_constraints(); } MACHINE_START(VPAC270, "Voipac PXA270") diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c index ac2ae5c71ab4..6158566fa0f7 100644 --- a/arch/arm/mach-pxa/zeus.c +++ b/arch/arm/mach-pxa/zeus.c @@ -868,6 +868,8 @@ static void __init zeus_init(void) i2c_register_board_info(0, ARRAY_AND_SIZE(zeus_i2c_devices)); pxa2xx_set_spi_info(3, &pxa2xx_spi_ssp3_master_info); spi_register_board_info(zeus_spi_board_info, ARRAY_SIZE(zeus_spi_board_info)); + + regulator_has_full_constraints(); } static struct map_desc zeus_io_desc[] __initdata = { diff --git a/arch/arm/mach-spear/generic.h b/arch/arm/mach-spear/generic.h index a99d90a4d09c..06640914d9a0 100644 --- a/arch/arm/mach-spear/generic.h +++ b/arch/arm/mach-spear/generic.h @@ -3,7 +3,7 @@ * * Copyright (C) 2009-2012 ST Microelectronics * Rajeev Kumar <rajeev-dlh.kumar@st.com> - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/include/mach/irqs.h b/arch/arm/mach-spear/include/mach/irqs.h index 92da0a8c6bce..7058720c5278 100644 --- a/arch/arm/mach-spear/include/mach/irqs.h +++ b/arch/arm/mach-spear/include/mach/irqs.h @@ -3,7 +3,7 @@ * * Copyright (C) 2009-2012 ST Microelectronics * Rajeev Kumar <rajeev-dlh.kumar@st.com> - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/include/mach/misc_regs.h b/arch/arm/mach-spear/include/mach/misc_regs.h index 935639ce59ba..cfaf7c665b58 100644 --- a/arch/arm/mach-spear/include/mach/misc_regs.h +++ b/arch/arm/mach-spear/include/mach/misc_regs.h @@ -4,7 +4,7 @@ * Miscellaneous registers definitions for SPEAr3xx machine family * * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/include/mach/spear.h b/arch/arm/mach-spear/include/mach/spear.h index f2d6a0176575..5ed841ccf8a3 100644 --- a/arch/arm/mach-spear/include/mach/spear.h +++ b/arch/arm/mach-spear/include/mach/spear.h @@ -3,7 +3,7 @@ * * Copyright (C) 2009,2012 ST Microelectronics * Rajeev Kumar<rajeev-dlh.kumar@st.com> - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/include/mach/uncompress.h b/arch/arm/mach-spear/include/mach/uncompress.h index 51b2dc93e4da..8439b9c12edb 100644 --- a/arch/arm/mach-spear/include/mach/uncompress.h +++ b/arch/arm/mach-spear/include/mach/uncompress.h @@ -4,7 +4,7 @@ * Serial port stubs for kernel decompress status messages * * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/pl080.c b/arch/arm/mach-spear/pl080.c index cfa1199d0f4a..b4529f3e0ee9 100644 --- a/arch/arm/mach-spear/pl080.c +++ b/arch/arm/mach-spear/pl080.c @@ -4,7 +4,7 @@ * DMAC pl080 definitions for SPEAr platform * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/pl080.h b/arch/arm/mach-spear/pl080.h index eb6590ded40d..608dec6725ae 100644 --- a/arch/arm/mach-spear/pl080.h +++ b/arch/arm/mach-spear/pl080.h @@ -4,7 +4,7 @@ * DMAC pl080 definitions for SPEAr platform * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/restart.c b/arch/arm/mach-spear/restart.c index ce5e098c4888..b4342155a783 100644 --- a/arch/arm/mach-spear/restart.c +++ b/arch/arm/mach-spear/restart.c @@ -4,7 +4,7 @@ * SPEAr platform specific restart functions * * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear1310.c b/arch/arm/mach-spear/spear1310.c index d9ce4d8000f0..cd5d375d91f0 100644 --- a/arch/arm/mach-spear/spear1310.c +++ b/arch/arm/mach-spear/spear1310.c @@ -4,7 +4,7 @@ * SPEAr1310 machine source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear1340.c b/arch/arm/mach-spear/spear1340.c index 3f3c0f124bd3..94594d5a446c 100644 --- a/arch/arm/mach-spear/spear1340.c +++ b/arch/arm/mach-spear/spear1340.c @@ -4,7 +4,7 @@ * SPEAr1340 machine source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear13xx.c b/arch/arm/mach-spear/spear13xx.c index 2e463a93468d..b7afce6795f4 100644 --- a/arch/arm/mach-spear/spear13xx.c +++ b/arch/arm/mach-spear/spear13xx.c @@ -4,7 +4,7 @@ * SPEAr13XX machines common source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear300.c b/arch/arm/mach-spear/spear300.c index b52e48f342f4..5b32edda2276 100644 --- a/arch/arm/mach-spear/spear300.c +++ b/arch/arm/mach-spear/spear300.c @@ -4,7 +4,7 @@ * SPEAr300 machine source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear310.c b/arch/arm/mach-spear/spear310.c index ed2029db391f..86a44ac7ff67 100644 --- a/arch/arm/mach-spear/spear310.c +++ b/arch/arm/mach-spear/spear310.c @@ -4,7 +4,7 @@ * SPEAr310 machine source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear320.c b/arch/arm/mach-spear/spear320.c index bf634b32a930..d45d751926c5 100644 --- a/arch/arm/mach-spear/spear320.c +++ b/arch/arm/mach-spear/spear320.c @@ -4,7 +4,7 @@ * SPEAr320 machine source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear3xx.c b/arch/arm/mach-spear/spear3xx.c index bf3b1fd8cb23..23394ac76cf2 100644 --- a/arch/arm/mach-spear/spear3xx.c +++ b/arch/arm/mach-spear/spear3xx.c @@ -4,7 +4,7 @@ * SPEAr3XX machines common source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index 81502b90dd91..4efe2d43a126 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -35,7 +35,7 @@ config MACH_SUN7I select SUN5I_HSTIMER config MACH_SUN8I - bool "Allwinner A23 (sun8i) SoCs support" + bool "Allwinner sun8i Family SoCs support" default ARCH_SUNXI select ARM_GIC select MFD_SUN6I_PRCM diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c index 1bc811a74a9f..65bab2876343 100644 --- a/arch/arm/mach-sunxi/sunxi.c +++ b/arch/arm/mach-sunxi/sunxi.c @@ -67,10 +67,13 @@ MACHINE_END static const char * const sun8i_board_dt_compat[] = { "allwinner,sun8i-a23", + "allwinner,sun8i-a33", + "allwinner,sun8i-h3", NULL, }; -DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i (A23) Family") +DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i Family") + .init_time = sun6i_timer_init, .dt_compat = sun8i_board_dt_compat, .init_late = sunxi_dt_cpufreq_init, MACHINE_END diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 1ced8a0f7a52..cba12f34ff77 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -1971,7 +1971,7 @@ static int extend_iommu_mapping(struct dma_iommu_mapping *mapping) { int next_bitmap; - if (mapping->nr_bitmaps > mapping->extensions) + if (mapping->nr_bitmaps >= mapping->extensions) return -EINVAL; next_bitmap = mapping->nr_bitmaps; diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index d1e5ad7ab3bc..0c81056c1dd7 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -255,7 +255,7 @@ remap_area_supersections(unsigned long virt, unsigned long pfn, } #endif -void __iomem * __arm_ioremap_pfn_caller(unsigned long pfn, +static void __iomem * __arm_ioremap_pfn_caller(unsigned long pfn, unsigned long offset, size_t size, unsigned int mtype, void *caller) { const struct mem_type *type; @@ -363,7 +363,7 @@ __arm_ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size, unsigned int mtype) { return __arm_ioremap_pfn_caller(pfn, offset, size, mtype, - __builtin_return_address(0)); + __builtin_return_address(0)); } EXPORT_SYMBOL(__arm_ioremap_pfn); @@ -371,13 +371,26 @@ void __iomem * (*arch_ioremap_caller)(phys_addr_t, size_t, unsigned int, void *) = __arm_ioremap_caller; -void __iomem * -__arm_ioremap(phys_addr_t phys_addr, size_t size, unsigned int mtype) +void __iomem *ioremap(resource_size_t res_cookie, size_t size) +{ + return arch_ioremap_caller(res_cookie, size, MT_DEVICE, + __builtin_return_address(0)); +} +EXPORT_SYMBOL(ioremap); + +void __iomem *ioremap_cache(resource_size_t res_cookie, size_t size) +{ + return arch_ioremap_caller(res_cookie, size, MT_DEVICE_CACHED, + __builtin_return_address(0)); +} +EXPORT_SYMBOL(ioremap_cache); + +void __iomem *ioremap_wc(resource_size_t res_cookie, size_t size) { - return arch_ioremap_caller(phys_addr, size, mtype, - __builtin_return_address(0)); + return arch_ioremap_caller(res_cookie, size, MT_DEVICE_WC, + __builtin_return_address(0)); } -EXPORT_SYMBOL(__arm_ioremap); +EXPORT_SYMBOL(ioremap_wc); /* * Remap an arbitrary physical address space into the kernel virtual @@ -431,11 +444,11 @@ void __iounmap(volatile void __iomem *io_addr) void (*arch_iounmap)(volatile void __iomem *) = __iounmap; -void __arm_iounmap(volatile void __iomem *io_addr) +void iounmap(volatile void __iomem *cookie) { - arch_iounmap(io_addr); + arch_iounmap(cookie); } -EXPORT_SYMBOL(__arm_iounmap); +EXPORT_SYMBOL(iounmap); #ifdef CONFIG_PCI static int pci_ioremap_mem_type = MT_DEVICE; diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 6ca7d9aa896f..870838a46d52 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -1072,6 +1072,7 @@ void __init sanity_check_meminfo(void) int highmem = 0; phys_addr_t vmalloc_limit = __pa(vmalloc_min - 1) + 1; struct memblock_region *reg; + bool should_use_highmem = false; for_each_memblock(memory, reg) { phys_addr_t block_start = reg->base; @@ -1090,6 +1091,7 @@ void __init sanity_check_meminfo(void) pr_notice("Ignoring RAM at %pa-%pa (!CONFIG_HIGHMEM)\n", &block_start, &block_end); memblock_remove(reg->base, reg->size); + should_use_highmem = true; continue; } @@ -1100,6 +1102,7 @@ void __init sanity_check_meminfo(void) &block_start, &block_end, &vmalloc_limit); memblock_remove(vmalloc_limit, overlap_size); block_end = vmalloc_limit; + should_use_highmem = true; } } @@ -1134,6 +1137,9 @@ void __init sanity_check_meminfo(void) } } + if (should_use_highmem) + pr_notice("Consider using a HIGHMEM enabled kernel.\n"); + high_memory = __va(arm_lowmem_limit - 1) + 1; /* @@ -1494,6 +1500,7 @@ void __init paging_init(const struct machine_desc *mdesc) build_mem_type_table(); prepare_page_table(); map_lowmem(); + memblock_set_current_limit(arm_lowmem_limit); dma_contiguous_remap(); devicemaps_init(mdesc); kmap_init(); diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index afd7e05d95f1..1dd10936d68d 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -351,30 +351,43 @@ void __iomem *__arm_ioremap_pfn(unsigned long pfn, unsigned long offset, } EXPORT_SYMBOL(__arm_ioremap_pfn); -void __iomem *__arm_ioremap_pfn_caller(unsigned long pfn, unsigned long offset, - size_t size, unsigned int mtype, void *caller) +void __iomem *__arm_ioremap_caller(phys_addr_t phys_addr, size_t size, + unsigned int mtype, void *caller) { - return __arm_ioremap_pfn(pfn, offset, size, mtype); + return (void __iomem *)phys_addr; } -void __iomem *__arm_ioremap(phys_addr_t phys_addr, size_t size, - unsigned int mtype) +void __iomem * (*arch_ioremap_caller)(phys_addr_t, size_t, unsigned int, void *); + +void __iomem *ioremap(resource_size_t res_cookie, size_t size) { - return (void __iomem *)phys_addr; + return __arm_ioremap_caller(res_cookie, size, MT_DEVICE, + __builtin_return_address(0)); } -EXPORT_SYMBOL(__arm_ioremap); +EXPORT_SYMBOL(ioremap); -void __iomem * (*arch_ioremap_caller)(phys_addr_t, size_t, unsigned int, void *); +void __iomem *ioremap_cache(resource_size_t res_cookie, size_t size) +{ + return __arm_ioremap_caller(res_cookie, size, MT_DEVICE_CACHED, + __builtin_return_address(0)); +} +EXPORT_SYMBOL(ioremap_cache); -void __iomem *__arm_ioremap_caller(phys_addr_t phys_addr, size_t size, - unsigned int mtype, void *caller) +void __iomem *ioremap_wc(resource_size_t res_cookie, size_t size) +{ + return __arm_ioremap_caller(res_cookie, size, MT_DEVICE_WC, + __builtin_return_address(0)); +} +EXPORT_SYMBOL(ioremap_wc); + +void __iounmap(volatile void __iomem *addr) { - return __arm_ioremap(phys_addr, size, mtype); } +EXPORT_SYMBOL(__iounmap); void (*arch_iounmap)(volatile void __iomem *); -void __arm_iounmap(volatile void __iomem *addr) +void iounmap(volatile void __iomem *addr) { } -EXPORT_SYMBOL(__arm_iounmap); +EXPORT_SYMBOL(iounmap); diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 0716bbe19872..de2b246fed38 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -274,7 +274,10 @@ __v7_ca15mp_setup: __v7_b15mp_setup: __v7_ca17mp_setup: mov r10, #0 -1: +1: adr r12, __v7_setup_stack @ the local stack + stmia r12, {r0-r5, lr} @ v7_invalidate_l1 touches r0-r6 + bl v7_invalidate_l1 + ldmia r12, {r0-r5, lr} #ifdef CONFIG_SMP ALT_SMP(mrc p15, 0, r0, c1, c0, 1) ALT_UP(mov r0, #(1 << 6)) @ fake it for UP @@ -283,7 +286,7 @@ __v7_ca17mp_setup: orreq r0, r0, r10 @ Enable CPU-specific SMP bits mcreq p15, 0, r0, c1, c0, 1 #endif - b __v7_setup + b __v7_setup_cont /* * Errata: @@ -413,10 +416,11 @@ __v7_pj4b_setup: __v7_setup: adr r12, __v7_setup_stack @ the local stack - stmia r12, {r0-r5, r7, r9, r11, lr} + stmia r12, {r0-r5, lr} @ v7_invalidate_l1 touches r0-r6 bl v7_invalidate_l1 - ldmia r12, {r0-r5, r7, r9, r11, lr} + ldmia r12, {r0-r5, lr} +__v7_setup_cont: and r0, r9, #0xff000000 @ ARM? teq r0, #0x41000000 bne __errata_finish @@ -480,7 +484,7 @@ ENDPROC(__v7_setup) .align 2 __v7_setup_stack: - .space 4 * 11 @ 11 registers + .space 4 * 7 @ 12 registers __INITDATA diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index 4550d247e308..c011e2296cb1 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -74,32 +74,52 @@ struct jit_ctx { int bpf_jit_enable __read_mostly; -static u64 jit_get_skb_b(struct sk_buff *skb, unsigned offset) +static inline int call_neg_helper(struct sk_buff *skb, int offset, void *ret, + unsigned int size) +{ + void *ptr = bpf_internal_load_pointer_neg_helper(skb, offset, size); + + if (!ptr) + return -EFAULT; + memcpy(ret, ptr, size); + return 0; +} + +static u64 jit_get_skb_b(struct sk_buff *skb, int offset) { u8 ret; int err; - err = skb_copy_bits(skb, offset, &ret, 1); + if (offset < 0) + err = call_neg_helper(skb, offset, &ret, 1); + else + err = skb_copy_bits(skb, offset, &ret, 1); return (u64)err << 32 | ret; } -static u64 jit_get_skb_h(struct sk_buff *skb, unsigned offset) +static u64 jit_get_skb_h(struct sk_buff *skb, int offset) { u16 ret; int err; - err = skb_copy_bits(skb, offset, &ret, 2); + if (offset < 0) + err = call_neg_helper(skb, offset, &ret, 2); + else + err = skb_copy_bits(skb, offset, &ret, 2); return (u64)err << 32 | ntohs(ret); } -static u64 jit_get_skb_w(struct sk_buff *skb, unsigned offset) +static u64 jit_get_skb_w(struct sk_buff *skb, int offset) { u32 ret; int err; - err = skb_copy_bits(skb, offset, &ret, 4); + if (offset < 0) + err = call_neg_helper(skb, offset, &ret, 4); + else + err = skb_copy_bits(skb, offset, &ret, 4); return (u64)err << 32 | ntohl(ret); } @@ -536,9 +556,6 @@ static int build_body(struct jit_ctx *ctx) case BPF_LD | BPF_B | BPF_ABS: load_order = 0; load: - /* the interpreter will deal with the negative K */ - if ((int)k < 0) - return -ENOTSUPP; emit_mov_i(r_off, k, ctx); load_common: ctx->seen |= SEEN_DATA | SEEN_CALL; @@ -547,12 +564,24 @@ load_common: emit(ARM_SUB_I(r_scratch, r_skb_hl, 1 << load_order), ctx); emit(ARM_CMP_R(r_scratch, r_off), ctx); - condt = ARM_COND_HS; + condt = ARM_COND_GE; } else { emit(ARM_CMP_R(r_skb_hl, r_off), ctx); condt = ARM_COND_HI; } + /* + * test for negative offset, only if we are + * currently scheduled to take the fast + * path. this will update the flags so that + * the slowpath instruction are ignored if the + * offset is negative. + * + * for loard_order == 0 the HI condition will + * make loads at offset 0 take the slow path too. + */ + _emit(condt, ARM_CMP_I(r_off, 0), ctx); + _emit(condt, ARM_ADD_R(r_scratch, r_off, r_skb_data), ctx); @@ -860,9 +889,11 @@ b_epilogue: off = offsetof(struct sk_buff, vlan_tci); emit(ARM_LDRH_I(r_A, r_skb, off), ctx); if (code == (BPF_ANC | SKF_AD_VLAN_TAG)) - OP_IMM3(ARM_AND, r_A, r_A, VLAN_VID_MASK, ctx); - else - OP_IMM3(ARM_AND, r_A, r_A, VLAN_TAG_PRESENT, ctx); + OP_IMM3(ARM_AND, r_A, r_A, ~VLAN_TAG_PRESENT, ctx); + else { + OP_IMM3(ARM_LSR, r_A, r_A, 12, ctx); + OP_IMM3(ARM_AND, r_A, r_A, 0x1, ctx); + } break; case BPF_ANC | SKF_AD_QUEUE: ctx->seen |= SEEN_SKB; diff --git a/arch/arm/vdso/Makefile b/arch/arm/vdso/Makefile index 9d259d94e429..1160434eece0 100644 --- a/arch/arm/vdso/Makefile +++ b/arch/arm/vdso/Makefile @@ -14,7 +14,7 @@ VDSO_LDFLAGS += -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096 VDSO_LDFLAGS += -nostdlib -shared VDSO_LDFLAGS += $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) VDSO_LDFLAGS += $(call cc-ldoption, -Wl$(comma)--build-id) -VDSO_LDFLAGS += $(call cc-option, -fuse-ld=bfd) +VDSO_LDFLAGS += $(call cc-ldoption, -fuse-ld=bfd) obj-$(CONFIG_VDSO) += vdso.o extra-$(CONFIG_VDSO) += vdso.lds diff --git a/arch/arm/vdso/vdsomunge.c b/arch/arm/vdso/vdsomunge.c index 9005b07296c8..aedec81d1198 100644 --- a/arch/arm/vdso/vdsomunge.c +++ b/arch/arm/vdso/vdsomunge.c @@ -45,13 +45,11 @@ * it does. */ -#define _GNU_SOURCE - #include <byteswap.h> #include <elf.h> #include <errno.h> -#include <error.h> #include <fcntl.h> +#include <stdarg.h> #include <stdbool.h> #include <stdio.h> #include <stdlib.h> @@ -82,11 +80,25 @@ #define EF_ARM_ABI_FLOAT_HARD 0x400 #endif +static int failed; +static const char *argv0; static const char *outfile; +static void fail(const char *fmt, ...) +{ + va_list ap; + + failed = 1; + fprintf(stderr, "%s: ", argv0); + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); + exit(EXIT_FAILURE); +} + static void cleanup(void) { - if (error_message_count > 0 && outfile != NULL) + if (failed && outfile != NULL) unlink(outfile); } @@ -119,68 +131,66 @@ int main(int argc, char **argv) int infd; atexit(cleanup); + argv0 = argv[0]; if (argc != 3) - error(EXIT_FAILURE, 0, "Usage: %s [infile] [outfile]", argv[0]); + fail("Usage: %s [infile] [outfile]\n", argv[0]); infile = argv[1]; outfile = argv[2]; infd = open(infile, O_RDONLY); if (infd < 0) - error(EXIT_FAILURE, errno, "Cannot open %s", infile); + fail("Cannot open %s: %s\n", infile, strerror(errno)); if (fstat(infd, &stat) != 0) - error(EXIT_FAILURE, errno, "Failed stat for %s", infile); + fail("Failed stat for %s: %s\n", infile, strerror(errno)); inbuf = mmap(NULL, stat.st_size, PROT_READ, MAP_PRIVATE, infd, 0); if (inbuf == MAP_FAILED) - error(EXIT_FAILURE, errno, "Failed to map %s", infile); + fail("Failed to map %s: %s\n", infile, strerror(errno)); close(infd); inhdr = inbuf; if (memcmp(&inhdr->e_ident, ELFMAG, SELFMAG) != 0) - error(EXIT_FAILURE, 0, "Not an ELF file"); + fail("Not an ELF file\n"); if (inhdr->e_ident[EI_CLASS] != ELFCLASS32) - error(EXIT_FAILURE, 0, "Unsupported ELF class"); + fail("Unsupported ELF class\n"); swap = inhdr->e_ident[EI_DATA] != HOST_ORDER; if (read_elf_half(inhdr->e_type, swap) != ET_DYN) - error(EXIT_FAILURE, 0, "Not a shared object"); + fail("Not a shared object\n"); - if (read_elf_half(inhdr->e_machine, swap) != EM_ARM) { - error(EXIT_FAILURE, 0, "Unsupported architecture %#x", - inhdr->e_machine); - } + if (read_elf_half(inhdr->e_machine, swap) != EM_ARM) + fail("Unsupported architecture %#x\n", inhdr->e_machine); e_flags = read_elf_word(inhdr->e_flags, swap); if (EF_ARM_EABI_VERSION(e_flags) != EF_ARM_EABI_VER5) { - error(EXIT_FAILURE, 0, "Unsupported EABI version %#x", - EF_ARM_EABI_VERSION(e_flags)); + fail("Unsupported EABI version %#x\n", + EF_ARM_EABI_VERSION(e_flags)); } if (e_flags & EF_ARM_ABI_FLOAT_HARD) - error(EXIT_FAILURE, 0, - "Unexpected hard-float flag set in e_flags"); + fail("Unexpected hard-float flag set in e_flags\n"); clear_soft_float = !!(e_flags & EF_ARM_ABI_FLOAT_SOFT); outfd = open(outfile, O_RDWR | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR); if (outfd < 0) - error(EXIT_FAILURE, errno, "Cannot open %s", outfile); + fail("Cannot open %s: %s\n", outfile, strerror(errno)); if (ftruncate(outfd, stat.st_size) != 0) - error(EXIT_FAILURE, errno, "Cannot truncate %s", outfile); + fail("Cannot truncate %s: %s\n", outfile, strerror(errno)); outbuf = mmap(NULL, stat.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, outfd, 0); if (outbuf == MAP_FAILED) - error(EXIT_FAILURE, errno, "Failed to map %s", outfile); + fail("Failed to map %s: %s\n", outfile, strerror(errno)); close(outfd); @@ -195,7 +205,7 @@ int main(int argc, char **argv) } if (msync(outbuf, stat.st_size, MS_SYNC) != 0) - error(EXIT_FAILURE, errno, "Failed to sync %s", outfile); + fail("Failed to sync %s: %s\n", outfile, strerror(errno)); return EXIT_SUCCESS; } diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 0f6edb14b7e4..318175f62c24 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -23,9 +23,9 @@ config ARM64 select BUILDTIME_EXTABLE_SORT select CLONE_BACKWARDS select COMMON_CLK - select EDAC_SUPPORT select CPU_PM if (SUSPEND || CPU_IDLE) select DCACHE_WORD_ACCESS + select EDAC_SUPPORT select GENERIC_ALLOCATOR select GENERIC_CLOCKEVENTS select GENERIC_CLOCKEVENTS_BROADCAST if SMP diff --git a/arch/arm64/boot/dts/apm/apm-mustang.dts b/arch/arm64/boot/dts/apm/apm-mustang.dts index 83578e766b94..4c55833d8a41 100644 --- a/arch/arm64/boot/dts/apm/apm-mustang.dts +++ b/arch/arm64/boot/dts/apm/apm-mustang.dts @@ -23,6 +23,16 @@ device_type = "memory"; reg = < 0x1 0x00000000 0x0 0x80000000 >; /* Updated by bootloader */ }; + + gpio-keys { + compatible = "gpio-keys"; + button@1 { + label = "POWER"; + linux,code = <116>; + linux,input-type = <0x1>; + interrupts = <0x0 0x2d 0x1>; + }; + }; }; &pcie0clk { diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi index 0689c3fb56e3..58093edeea2e 100644 --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi @@ -823,7 +823,7 @@ device_type = "dma"; reg = <0x0 0x1f270000 0x0 0x10000>, <0x0 0x1f200000 0x0 0x10000>, - <0x0 0x1b008000 0x0 0x2000>, + <0x0 0x1b000000 0x0 0x400000>, <0x0 0x1054a000 0x0 0x100>; interrupts = <0x0 0x82 0x4>, <0x0 0xb8 0x4>, diff --git a/arch/arm64/boot/dts/arm/Makefile b/arch/arm64/boot/dts/arm/Makefile index c5c98b91514e..bb3c07209676 100644 --- a/arch/arm64/boot/dts/arm/Makefile +++ b/arch/arm64/boot/dts/arm/Makefile @@ -1,6 +1,7 @@ dtb-$(CONFIG_ARCH_VEXPRESS) += foundation-v8.dtb dtb-$(CONFIG_ARCH_VEXPRESS) += juno.dtb juno-r1.dtb dtb-$(CONFIG_ARCH_VEXPRESS) += rtsm_ve-aemv8a.dtb +dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2f-1xv7-ca53x2.dtb always := $(dtb-y) subdir-y := $(dts-dirs) diff --git a/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts b/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts new file mode 100644 index 000000000000..5b1d0181023b --- /dev/null +++ b/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts @@ -0,0 +1,191 @@ +/* + * ARM Ltd. Versatile Express + * + * LogicTile Express 20MG + * V2F-1XV7 + * + * Cortex-A53 (2 cores) Soft Macrocell Model + * + * HBI-0247C + */ + +/dts-v1/; + +#include <dt-bindings/interrupt-controller/arm-gic.h> + +/ { + model = "V2F-1XV7 Cortex-A53x2 SMM"; + arm,hbi = <0x247>; + arm,vexpress,site = <0xf>; + compatible = "arm,vexpress,v2f-1xv7,ca53x2", "arm,vexpress,v2f-1xv7", "arm,vexpress"; + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + chosen { + stdout-path = "serial0:38400n8"; + }; + + aliases { + serial0 = &v2m_serial0; + serial1 = &v2m_serial1; + serial2 = &v2m_serial2; + serial3 = &v2m_serial3; + i2c0 = &v2m_i2c_dvi; + i2c1 = &v2m_i2c_pcie; + }; + + cpus { + #address-cells = <2>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a53", "arm,armv8"; + reg = <0 0>; + next-level-cache = <&L2_0>; + }; + + cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53", "arm,armv8"; + reg = <0 1>; + next-level-cache = <&L2_0>; + }; + + L2_0: l2-cache0 { + compatible = "cache"; + }; + }; + + memory@80000000 { + device_type = "memory"; + reg = <0 0x80000000 0 0x80000000>; /* 2GB @ 2GB */ + }; + + gic: interrupt-controller@2c001000 { + compatible = "arm,gic-400"; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + reg = <0 0x2c001000 0 0x1000>, + <0 0x2c002000 0 0x2000>, + <0 0x2c004000 0 0x2000>, + <0 0x2c006000 0 0x2000>; + interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>; + }; + + pmu { + compatible = "arm,armv8-pmuv3"; + interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>; + }; + + dcc { + compatible = "arm,vexpress,config-bus"; + arm,vexpress,config-bridge = <&v2m_sysreg>; + + smbclk: osc@4 { + /* SMC clock */ + compatible = "arm,vexpress-osc"; + arm,vexpress-sysreg,func = <1 4>; + freq-range = <40000000 40000000>; + #clock-cells = <0>; + clock-output-names = "smclk"; + }; + + volt@0 { + /* VIO to expansion board above */ + compatible = "arm,vexpress-volt"; + arm,vexpress-sysreg,func = <2 0>; + regulator-name = "VIO_UP"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + + volt@1 { + /* 12V from power connector J6 */ + compatible = "arm,vexpress-volt"; + arm,vexpress-sysreg,func = <2 1>; + regulator-name = "12"; + regulator-always-on; + }; + + temp@0 { + /* FPGA temperature */ + compatible = "arm,vexpress-temp"; + arm,vexpress-sysreg,func = <4 0>; + label = "FPGA"; + }; + }; + + smb { + compatible = "simple-bus"; + + #address-cells = <2>; + #size-cells = <1>; + ranges = <0 0 0 0x08000000 0x04000000>, + <1 0 0 0x14000000 0x04000000>, + <2 0 0 0x18000000 0x04000000>, + <3 0 0 0x1c000000 0x04000000>, + <4 0 0 0x0c000000 0x04000000>, + <5 0 0 0x10000000 0x04000000>; + + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 63>; + interrupt-map = <0 0 0 &gic GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>, + <0 0 1 &gic GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>, + <0 0 2 &gic GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>, + <0 0 3 &gic GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>, + <0 0 4 &gic GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>, + <0 0 5 &gic GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>, + <0 0 6 &gic GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>, + <0 0 7 &gic GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>, + <0 0 8 &gic GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>, + <0 0 9 &gic GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>, + <0 0 10 &gic GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>, + <0 0 11 &gic GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>, + <0 0 12 &gic GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>, + <0 0 13 &gic GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>, + <0 0 14 &gic GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>, + <0 0 15 &gic GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>, + <0 0 16 &gic GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>, + <0 0 17 &gic GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>, + <0 0 18 &gic GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>, + <0 0 19 &gic GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>, + <0 0 20 &gic GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>, + <0 0 21 &gic GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>, + <0 0 22 &gic GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>, + <0 0 23 &gic GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>, + <0 0 24 &gic GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>, + <0 0 25 &gic GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>, + <0 0 26 &gic GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>, + <0 0 27 &gic GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>, + <0 0 28 &gic GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>, + <0 0 29 &gic GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>, + <0 0 30 &gic GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>, + <0 0 31 &gic GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>, + <0 0 32 &gic GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>, + <0 0 33 &gic GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>, + <0 0 34 &gic GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>, + <0 0 35 &gic GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>, + <0 0 36 &gic GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>, + <0 0 37 &gic GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>, + <0 0 38 &gic GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>, + <0 0 39 &gic GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>, + <0 0 40 &gic GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>, + <0 0 41 &gic GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>, + <0 0 42 &gic GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>; + + /include/ "../../../../arm/boot/dts/vexpress-v2m-rs1.dtsi" + }; +}; diff --git a/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi b/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi index d8c0bdc51882..9cb7cf94284a 100644 --- a/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi +++ b/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi @@ -376,10 +376,19 @@ gic0: interrupt-controller@8010,00000000 { compatible = "arm,gic-v3"; #interrupt-cells = <3>; + #address-cells = <2>; + #size-cells = <2>; + ranges; interrupt-controller; reg = <0x8010 0x00000000 0x0 0x010000>, /* GICD */ <0x8010 0x80000000 0x0 0x600000>; /* GICR */ interrupts = <1 9 0xf04>; + + its: gic-its@8010,00020000 { + compatible = "arm,gic-v3-its"; + msi-controller; + reg = <0x8010 0x20000 0x0 0x200000>; + }; }; uaa0: serial@87e0,24000000 { diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index f38c94f1d898..4e17e7ede33d 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -83,6 +83,7 @@ CONFIG_BLK_DEV_SD=y CONFIG_ATA=y CONFIG_SATA_AHCI=y CONFIG_SATA_AHCI_PLATFORM=y +CONFIG_AHCI_CEVA=y CONFIG_AHCI_XGENE=y CONFIG_PATA_PLATFORM=y CONFIG_PATA_OF_PLATFORM=y diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index b112a39834d0..70fd9ffb58cf 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -25,6 +25,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += msi.h diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h index 39248d3adf5d..406485ed110a 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -19,6 +19,14 @@ #include <asm/psci.h> #include <asm/smp_plat.h> +/* Macros for consistency checks of the GICC subtable of MADT */ +#define ACPI_MADT_GICC_LENGTH \ + (acpi_gbl_FADT.header.revision < 6 ? 76 : 80) + +#define BAD_MADT_GICC_ENTRY(entry, end) \ + (!(entry) || (unsigned long)(entry) + sizeof(*(entry)) > (end) || \ + (entry)->header.length != ACPI_MADT_GICC_LENGTH) + /* Basic configuration for ACPI */ #ifdef CONFIG_ACPI /* ACPI table mapping after acpi_gbl_permanent_mmap is set */ diff --git a/arch/arm64/include/asm/mm-arch-hooks.h b/arch/arm64/include/asm/mm-arch-hooks.h deleted file mode 100644 index 562b655f5ba9..000000000000 --- a/arch/arm64/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_ARM64_MM_ARCH_HOOKS_H -#define _ASM_ARM64_MM_ARCH_HOOKS_H - -#endif /* _ASM_ARM64_MM_ARCH_HOOKS_H */ diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c index 9d4aa18f2a82..e8ca6eaedd02 100644 --- a/arch/arm64/kernel/efi.c +++ b/arch/arm64/kernel/efi.c @@ -122,12 +122,12 @@ static int __init uefi_init(void) /* Show what we know for posterity */ c16 = early_memremap(efi_to_phys(efi.systab->fw_vendor), - sizeof(vendor)); + sizeof(vendor) * sizeof(efi_char16_t)); if (c16) { for (i = 0; i < (int) sizeof(vendor) - 1 && *c16; ++i) vendor[i] = c16[i]; vendor[i] = '\0'; - early_memunmap(c16, sizeof(vendor)); + early_memunmap(c16, sizeof(vendor) * sizeof(efi_char16_t)); } pr_info("EFI v%u.%.02u by %s\n", diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index a7691a378668..e16351819fed 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -352,8 +352,8 @@ el1_inv: // TODO: add support for undefined instructions in kernel mode enable_dbg mov x0, sp + mov x2, x1 mov x1, #BAD_SYNC - mrs x2, esr_el1 b bad_mode ENDPROC(el1_sync) @@ -553,7 +553,7 @@ el0_inv: ct_user_exit mov x0, sp mov x1, #BAD_SYNC - mrs x2, esr_el1 + mov x2, x25 bl bad_mode b ret_to_user ENDPROC(el0_sync) @@ -585,7 +585,8 @@ ENDPROC(el0_irq) * */ ENTRY(cpu_switch_to) - add x8, x0, #THREAD_CPU_CONTEXT + mov x10, #THREAD_CPU_CONTEXT + add x8, x0, x10 mov x9, sp stp x19, x20, [x8], #16 // store callee-saved registers stp x21, x22, [x8], #16 @@ -594,7 +595,7 @@ ENTRY(cpu_switch_to) stp x27, x28, [x8], #16 stp x29, x9, [x8], #16 str lr, [x8] - add x8, x1, #THREAD_CPU_CONTEXT + add x8, x1, x10 ldp x19, x20, [x8], #16 // restore callee-saved registers ldp x21, x22, [x8], #16 ldp x23, x24, [x8], #16 diff --git a/arch/arm64/kernel/entry32.S b/arch/arm64/kernel/entry32.S index bd9bfaa9269b..f332d5d1f6b4 100644 --- a/arch/arm64/kernel/entry32.S +++ b/arch/arm64/kernel/entry32.S @@ -32,13 +32,11 @@ ENTRY(compat_sys_sigreturn_wrapper) mov x0, sp - mov x27, #0 // prevent syscall restart handling (why) b compat_sys_sigreturn ENDPROC(compat_sys_sigreturn_wrapper) ENTRY(compat_sys_rt_sigreturn_wrapper) mov x0, sp - mov x27, #0 // prevent syscall restart handling (why) b compat_sys_rt_sigreturn ENDPROC(compat_sys_rt_sigreturn_wrapper) diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c index 240b75c0e94f..463fa2e7e34c 100644 --- a/arch/arm64/kernel/irq.c +++ b/arch/arm64/kernel/irq.c @@ -61,7 +61,7 @@ void __init init_IRQ(void) static bool migrate_one_irq(struct irq_desc *desc) { struct irq_data *d = irq_desc_get_irq_data(desc); - const struct cpumask *affinity = d->affinity; + const struct cpumask *affinity = irq_data_get_affinity_mask(d); struct irq_chip *c; bool ret = false; @@ -81,7 +81,7 @@ static bool migrate_one_irq(struct irq_desc *desc) if (!c->irq_set_affinity) pr_debug("IRQ%u: unable to set affinity\n", d->irq); else if (c->irq_set_affinity(d, affinity, false) == IRQ_SET_MASK_OK && ret) - cpumask_copy(d->affinity, affinity); + cpumask_copy(irq_data_get_affinity_mask(d), affinity); return ret; } diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c index 1670f15ef69e..948f0ad2de23 100644 --- a/arch/arm64/kernel/signal32.c +++ b/arch/arm64/kernel/signal32.c @@ -168,7 +168,8 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from) * Other callers might not initialize the si_lsb field, * so check explicitely for the right codes here. */ - if (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO) + if (from->si_signo == SIGBUS && + (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO)) err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb); #endif break; @@ -201,8 +202,6 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from) int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) { - memset(to, 0, sizeof *to); - if (copy_from_user(to, from, __ARCH_SI_PREAMBLE_SIZE) || copy_from_user(to->_sifields._pad, from->_sifields._pad, SI_PAD_SIZE)) diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 695801a54ca5..50fb4696654e 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -438,7 +438,7 @@ acpi_parse_gic_cpu_interface(struct acpi_subtable_header *header, struct acpi_madt_generic_interrupt *processor; processor = (struct acpi_madt_generic_interrupt *)header; - if (BAD_MADT_ENTRY(processor, end)) + if (BAD_MADT_GICC_ENTRY(processor, end)) return -EINVAL; acpi_table_print_madt_entry(header); diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c index ec37ab3f524f..97bc68f4c689 100644 --- a/arch/arm64/kernel/vdso.c +++ b/arch/arm64/kernel/vdso.c @@ -199,16 +199,15 @@ up_fail: */ void update_vsyscall(struct timekeeper *tk) { - struct timespec xtime_coarse; u32 use_syscall = strcmp(tk->tkr_mono.clock->name, "arch_sys_counter"); ++vdso_data->tb_seq_count; smp_wmb(); - xtime_coarse = __current_kernel_time(); vdso_data->use_syscall = use_syscall; - vdso_data->xtime_coarse_sec = xtime_coarse.tv_sec; - vdso_data->xtime_coarse_nsec = xtime_coarse.tv_nsec; + vdso_data->xtime_coarse_sec = tk->xtime_sec; + vdso_data->xtime_coarse_nsec = tk->tkr_mono.xtime_nsec >> + tk->tkr_mono.shift; vdso_data->wtm_clock_sec = tk->wall_to_monotonic.tv_sec; vdso_data->wtm_clock_nsec = tk->wall_to_monotonic.tv_nsec; diff --git a/arch/arm64/mm/Makefile b/arch/arm64/mm/Makefile index 9d84feb41a16..773d37a14039 100644 --- a/arch/arm64/mm/Makefile +++ b/arch/arm64/mm/Makefile @@ -4,5 +4,3 @@ obj-y := dma-mapping.o extable.o fault.o init.o \ context.o proc.o pageattr.o obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o obj-$(CONFIG_ARM64_PTDUMP) += dump.o - -CFLAGS_mmu.o := -I$(srctree)/scripts/dtc/libfdt/ diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild index 1d66afdfac07..f61f2dd67464 100644 --- a/arch/avr32/include/asm/Kbuild +++ b/arch/avr32/include/asm/Kbuild @@ -12,6 +12,7 @@ generic-y += irq_work.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += param.h generic-y += percpu.h generic-y += preempt.h diff --git a/arch/avr32/include/asm/mm-arch-hooks.h b/arch/avr32/include/asm/mm-arch-hooks.h deleted file mode 100644 index 145452ffbdad..000000000000 --- a/arch/avr32/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_AVR32_MM_ARCH_HOOKS_H -#define _ASM_AVR32_MM_ARCH_HOOKS_H - -#endif /* _ASM_AVR32_MM_ARCH_HOOKS_H */ diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c index d0f771be9e96..a124c55733db 100644 --- a/arch/avr32/kernel/time.c +++ b/arch/avr32/kernel/time.c @@ -18,6 +18,7 @@ #include <mach/pm.h> +static bool disable_cpu_idle_poll; static cycle_t read_cycle_count(struct clocksource *cs) { @@ -80,45 +81,45 @@ static int comparator_next_event(unsigned long delta, return 0; } -static void comparator_mode(enum clock_event_mode mode, - struct clock_event_device *evdev) +static int comparator_shutdown(struct clock_event_device *evdev) { - switch (mode) { - case CLOCK_EVT_MODE_ONESHOT: - pr_debug("%s: start\n", evdev->name); - /* FALLTHROUGH */ - case CLOCK_EVT_MODE_RESUME: + pr_debug("%s: %s\n", __func__, evdev->name); + sysreg_write(COMPARE, 0); + + if (disable_cpu_idle_poll) { + disable_cpu_idle_poll = false; /* - * If we're using the COUNT and COMPARE registers we - * need to force idle poll. + * Only disable idle poll if we have forced that + * in a previous call. */ - cpu_idle_poll_ctrl(true); - break; - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_SHUTDOWN: - sysreg_write(COMPARE, 0); - pr_debug("%s: stop\n", evdev->name); - if (evdev->mode == CLOCK_EVT_MODE_ONESHOT || - evdev->mode == CLOCK_EVT_MODE_RESUME) { - /* - * Only disable idle poll if we have forced that - * in a previous call. - */ - cpu_idle_poll_ctrl(false); - } - break; - default: - BUG(); + cpu_idle_poll_ctrl(false); } + return 0; +} + +static int comparator_set_oneshot(struct clock_event_device *evdev) +{ + pr_debug("%s: %s\n", __func__, evdev->name); + + disable_cpu_idle_poll = true; + /* + * If we're using the COUNT and COMPARE registers we + * need to force idle poll. + */ + cpu_idle_poll_ctrl(true); + + return 0; } static struct clock_event_device comparator = { - .name = "avr32_comparator", - .features = CLOCK_EVT_FEAT_ONESHOT, - .shift = 16, - .rating = 50, - .set_next_event = comparator_next_event, - .set_mode = comparator_mode, + .name = "avr32_comparator", + .features = CLOCK_EVT_FEAT_ONESHOT, + .shift = 16, + .rating = 50, + .set_next_event = comparator_next_event, + .set_state_shutdown = comparator_shutdown, + .set_state_oneshot = comparator_set_oneshot, + .tick_resume = comparator_set_oneshot, }; void read_persistent_clock(struct timespec *ts) diff --git a/arch/avr32/mach-at32ap/clock.c b/arch/avr32/mach-at32ap/clock.c index 23b1a97fae7a..52c179bec0cc 100644 --- a/arch/avr32/mach-at32ap/clock.c +++ b/arch/avr32/mach-at32ap/clock.c @@ -80,6 +80,9 @@ int clk_enable(struct clk *clk) { unsigned long flags; + if (!clk) + return 0; + spin_lock_irqsave(&clk_lock, flags); __clk_enable(clk); spin_unlock_irqrestore(&clk_lock, flags); @@ -106,6 +109,9 @@ void clk_disable(struct clk *clk) { unsigned long flags; + if (IS_ERR_OR_NULL(clk)) + return; + spin_lock_irqsave(&clk_lock, flags); __clk_disable(clk); spin_unlock_irqrestore(&clk_lock, flags); @@ -117,6 +123,9 @@ unsigned long clk_get_rate(struct clk *clk) unsigned long flags; unsigned long rate; + if (!clk) + return 0; + spin_lock_irqsave(&clk_lock, flags); rate = clk->get_rate(clk); spin_unlock_irqrestore(&clk_lock, flags); @@ -129,6 +138,9 @@ long clk_round_rate(struct clk *clk, unsigned long rate) { unsigned long flags, actual_rate; + if (!clk) + return 0; + if (!clk->set_rate) return -ENOSYS; @@ -145,6 +157,9 @@ int clk_set_rate(struct clk *clk, unsigned long rate) unsigned long flags; long ret; + if (!clk) + return 0; + if (!clk->set_rate) return -ENOSYS; @@ -161,6 +176,9 @@ int clk_set_parent(struct clk *clk, struct clk *parent) unsigned long flags; int ret; + if (!clk) + return 0; + if (!clk->set_parent) return -ENOSYS; @@ -174,7 +192,7 @@ EXPORT_SYMBOL(clk_set_parent); struct clk *clk_get_parent(struct clk *clk) { - return clk->parent; + return !clk ? NULL : clk->parent; } EXPORT_SYMBOL(clk_get_parent); diff --git a/arch/blackfin/include/asm/Kbuild b/arch/blackfin/include/asm/Kbuild index 07051a63415d..61cd1e786a14 100644 --- a/arch/blackfin/include/asm/Kbuild +++ b/arch/blackfin/include/asm/Kbuild @@ -21,6 +21,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += mutex.h diff --git a/arch/blackfin/include/asm/mm-arch-hooks.h b/arch/blackfin/include/asm/mm-arch-hooks.h deleted file mode 100644 index 1c5211ec338f..000000000000 --- a/arch/blackfin/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_BLACKFIN_MM_ARCH_HOOKS_H -#define _ASM_BLACKFIN_MM_ARCH_HOOKS_H - -#endif /* _ASM_BLACKFIN_MM_ARCH_HOOKS_H */ diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild index 7aeb32272975..f17c4dc6050c 100644 --- a/arch/c6x/include/asm/Kbuild +++ b/arch/c6x/include/asm/Kbuild @@ -26,6 +26,7 @@ generic-y += kdebug.h generic-y += kmap_types.h generic-y += local.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += mmu.h generic-y += mmu_context.h diff --git a/arch/c6x/include/asm/mm-arch-hooks.h b/arch/c6x/include/asm/mm-arch-hooks.h deleted file mode 100644 index bb3c4a6ce8e9..000000000000 --- a/arch/c6x/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_C6X_MM_ARCH_HOOKS_H -#define _ASM_C6X_MM_ARCH_HOOKS_H - -#endif /* _ASM_C6X_MM_ARCH_HOOKS_H */ diff --git a/arch/cris/arch-v32/drivers/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c index 4dda9bd6b8fb..e989cee77414 100644 --- a/arch/cris/arch-v32/drivers/sync_serial.c +++ b/arch/cris/arch-v32/drivers/sync_serial.c @@ -1464,7 +1464,7 @@ static inline void handle_rx_packet(struct sync_port *port) if (port->write_ts_idx == NBR_IN_DESCR) port->write_ts_idx = 0; idx = port->write_ts_idx++; - do_posix_clock_monotonic_gettime(&port->timestamp[idx]); + ktime_get_ts(&port->timestamp[idx]); port->in_buffer_len += port->inbufchunk; } spin_unlock_irqrestore(&port->lock, flags); diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild index d294f6aaff1d..ad2244f35bca 100644 --- a/arch/cris/include/asm/Kbuild +++ b/arch/cris/include/asm/Kbuild @@ -18,6 +18,7 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += module.h generic-y += percpu.h generic-y += preempt.h diff --git a/arch/cris/include/asm/mm-arch-hooks.h b/arch/cris/include/asm/mm-arch-hooks.h deleted file mode 100644 index 314f774db2b0..000000000000 --- a/arch/cris/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_CRIS_MM_ARCH_HOOKS_H -#define _ASM_CRIS_MM_ARCH_HOOKS_H - -#endif /* _ASM_CRIS_MM_ARCH_HOOKS_H */ diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild index 30edce31e5c2..8e47b832cc76 100644 --- a/arch/frv/include/asm/Kbuild +++ b/arch/frv/include/asm/Kbuild @@ -4,5 +4,6 @@ generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += trace_clock.h diff --git a/arch/frv/include/asm/mm-arch-hooks.h b/arch/frv/include/asm/mm-arch-hooks.h deleted file mode 100644 index 51d13a870404..000000000000 --- a/arch/frv/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_FRV_MM_ARCH_HOOKS_H -#define _ASM_FRV_MM_ARCH_HOOKS_H - -#endif /* _ASM_FRV_MM_ARCH_HOOKS_H */ diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild index 00379d64f707..70e6ae1e7006 100644 --- a/arch/h8300/include/asm/Kbuild +++ b/arch/h8300/include/asm/Kbuild @@ -33,6 +33,7 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += mmu.h generic-y += mmu_context.h diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild index 5ade4a163558..daee37bd0999 100644 --- a/arch/hexagon/include/asm/Kbuild +++ b/arch/hexagon/include/asm/Kbuild @@ -28,6 +28,7 @@ generic-y += kmap_types.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += pci.h diff --git a/arch/hexagon/include/asm/mm-arch-hooks.h b/arch/hexagon/include/asm/mm-arch-hooks.h deleted file mode 100644 index 05e8b939e416..000000000000 --- a/arch/hexagon/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_HEXAGON_MM_ARCH_HOOKS_H -#define _ASM_HEXAGON_MM_ARCH_HOOKS_H - -#endif /* _ASM_HEXAGON_MM_ARCH_HOOKS_H */ diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild index ccff13d33fa2..9de3ba12f6b9 100644 --- a/arch/ia64/include/asm/Kbuild +++ b/arch/ia64/include/asm/Kbuild @@ -4,6 +4,7 @@ generic-y += exec.h generic-y += irq_work.h generic-y += kvm_para.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += trace_clock.h generic-y += vtime.h diff --git a/arch/ia64/include/asm/mm-arch-hooks.h b/arch/ia64/include/asm/mm-arch-hooks.h deleted file mode 100644 index ab4b5c698322..000000000000 --- a/arch/ia64/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_IA64_MM_ARCH_HOOKS_H -#define _ASM_IA64_MM_ARCH_HOOKS_H - -#endif /* _ASM_IA64_MM_ARCH_HOOKS_H */ diff --git a/arch/m32r/include/asm/Kbuild b/arch/m32r/include/asm/Kbuild index ba1cdc018731..e0eb704ca1fa 100644 --- a/arch/m32r/include/asm/Kbuild +++ b/arch/m32r/include/asm/Kbuild @@ -4,6 +4,7 @@ generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += module.h generic-y += preempt.h generic-y += sections.h diff --git a/arch/m32r/include/asm/io.h b/arch/m32r/include/asm/io.h index 0c3f25ee3381..f8de767ce2bc 100644 --- a/arch/m32r/include/asm/io.h +++ b/arch/m32r/include/asm/io.h @@ -174,6 +174,11 @@ static inline void _writel(unsigned long l, unsigned long addr) #define iowrite16 writew #define iowrite32 writel +#define ioread16be(addr) be16_to_cpu(readw(addr)) +#define ioread32be(addr) be32_to_cpu(readl(addr)) +#define iowrite16be(v, addr) writew(cpu_to_be16(v), (addr)) +#define iowrite32be(v, addr) writel(cpu_to_be32(v), (addr)) + #define mmiowb() #define flush_write_buffers() do { } while (0) /* M32R_FIXME */ diff --git a/arch/m32r/include/asm/mm-arch-hooks.h b/arch/m32r/include/asm/mm-arch-hooks.h deleted file mode 100644 index 6d60b4750f41..000000000000 --- a/arch/m32r/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_M32R_MM_ARCH_HOOKS_H -#define _ASM_M32R_MM_ARCH_HOOKS_H - -#endif /* _ASM_M32R_MM_ARCH_HOOKS_H */ diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu index 33013dfcd3e1..c496d48a8c8d 100644 --- a/arch/m68k/Kconfig.cpu +++ b/arch/m68k/Kconfig.cpu @@ -125,6 +125,13 @@ endif # M68KCLASSIC if COLDFIRE +choice + prompt "ColdFire SoC type" + default M520x + help + Select the type of ColdFire System-on-Chip (SoC) that you want + to build for. + config M5206 bool "MCF5206" depends on !MMU @@ -174,9 +181,6 @@ config M525x help Freescale (Motorola) Coldfire 5251/5253 processor support. -config M527x - bool - config M5271 bool "MCF5271" depends on !MMU @@ -223,9 +227,6 @@ config M5307 help Motorola ColdFire 5307 processor support. -config M53xx - bool - config M532x bool "MCF532x" depends on !MMU @@ -251,9 +252,6 @@ config M5407 help Motorola ColdFire 5407 processor support. -config M54xx - bool - config M547x bool "MCF547x" select M54xx @@ -280,6 +278,17 @@ config M5441x help Freescale Coldfire 54410/54415/54416/54417/54418 processor support. +endchoice + +config M527x + bool + +config M53xx + bool + +config M54xx + bool + endif # COLDFIRE @@ -416,22 +425,18 @@ config HAVE_MBAR config HAVE_IPSBAR bool -config CLOCK_SET - bool "Enable setting the CPU clock frequency" - depends on COLDFIRE - default n - help - On some CPU's you do not need to know what the core CPU clock - frequency is. On these you can disable clock setting. On some - traditional 68K parts, and on all ColdFire parts you need to set - the appropriate CPU clock frequency. On these devices many of the - onboard peripherals derive their timing from the master CPU clock - frequency. - config CLOCK_FREQ int "Set the core clock frequency" + default "25000000" if M5206 + default "54000000" if M5206e + default "166666666" if M520x + default "140000000" if M5249 + default "150000000" if M527x || M523x + default "90000000" if M5307 + default "50000000" if M5407 + default "266000000" if M54xx default "66666666" - depends on CLOCK_SET + depends on COLDFIRE help Define the CPU clock frequency in use. This is the core clock frequency, it may or may not be the same as the external clock diff --git a/arch/m68k/configs/m5208evb_defconfig b/arch/m68k/configs/m5208evb_defconfig index e7292f460af4..4c7b7938d53a 100644 --- a/arch/m68k/configs/m5208evb_defconfig +++ b/arch/m68k/configs/m5208evb_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,17 +12,12 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set -CONFIG_M520x=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=166666666 -CONFIG_CLOCK_DIV=2 -CONFIG_M5208EVB=y +# CONFIG_MMU is not set # CONFIG_4KSTACKS is not set CONFIG_RAMBASE=0x40000000 CONFIG_RAMSIZE=0x2000000 CONFIG_VECTORBASE=0x40000000 CONFIG_KERNELBASE=0x40020000 -CONFIG_RAM16BIT=y CONFIG_BINFMT_FLAT=y CONFIG_NET=y CONFIG_PACKET=y @@ -40,24 +31,19 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y CONFIG_FEC=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_BAUDRATE=115200 CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set @@ -68,8 +54,6 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set -CONFIG_SYSCTL_SYSCALL_CHECK=y -CONFIG_FULLDEBUG=y CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" +CONFIG_FULLDEBUG=y diff --git a/arch/m68k/configs/m5249evb_defconfig b/arch/m68k/configs/m5249evb_defconfig index 0cd4b39f325b..a782f368650f 100644 --- a/arch/m68k/configs/m5249evb_defconfig +++ b/arch/m68k/configs/m5249evb_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,10 +12,8 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5249=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=140000000 -CONFIG_CLOCK_DIV=2 CONFIG_M5249C3=y CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00800000 @@ -38,23 +32,18 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set CONFIG_PPP=y # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set CONFIG_EXT2_FS=y @@ -62,7 +51,5 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" -# CONFIG_CRC32 is not set diff --git a/arch/m68k/configs/m5272c3_defconfig b/arch/m68k/configs/m5272c3_defconfig index a60cb3509135..6f5fb92f5cbf 100644 --- a/arch/m68k/configs/m5272c3_defconfig +++ b/arch/m68k/configs/m5272c3_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,8 +12,8 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5272=y -CONFIG_CLOCK_SET=y CONFIG_M5272C3=y CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00800000 @@ -36,23 +32,18 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y CONFIG_FEC=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set CONFIG_EXT2_FS=y @@ -61,6 +52,5 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" diff --git a/arch/m68k/configs/m5275evb_defconfig b/arch/m68k/configs/m5275evb_defconfig index e6502ab7cb2f..b5d7cd1ce856 100644 --- a/arch/m68k/configs/m5275evb_defconfig +++ b/arch/m68k/configs/m5275evb_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,11 +12,8 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5275=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=150000000 -CONFIG_CLOCK_DIV=2 -CONFIG_M5275EVB=y # CONFIG_4KSTACKS is not set CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00000000 @@ -39,24 +32,19 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y CONFIG_FEC=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set CONFIG_PPP=y # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set CONFIG_EXT2_FS=y @@ -65,8 +53,5 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set -CONFIG_SYSCTL_SYSCALL_CHECK=y CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" -# CONFIG_CRC32 is not set diff --git a/arch/m68k/configs/m5307c3_defconfig b/arch/m68k/configs/m5307c3_defconfig index 023812abd2e6..1b4c09461c40 100644 --- a/arch/m68k/configs/m5307c3_defconfig +++ b/arch/m68k/configs/m5307c3_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,10 +12,8 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5307=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=90000000 -CONFIG_CLOCK_DIV=2 CONFIG_M5307C3=y CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00800000 @@ -38,16 +32,11 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set CONFIG_PPP=y CONFIG_SLIP=y CONFIG_SLIP_COMPRESSED=y @@ -56,21 +45,17 @@ CONFIG_SLIP_COMPRESSED=y # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_LEGACY_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_LEGACY_PTYS is not set # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set -# CONFIG_HID_SUPPORT is not set # CONFIG_USB_SUPPORT is not set CONFIG_EXT2_FS=y # CONFIG_DNOTIFY is not set CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set -CONFIG_SYSCTL_SYSCALL_CHECK=y -CONFIG_FULLDEBUG=y CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" -# CONFIG_CRC32 is not set +CONFIG_FULLDEBUG=y diff --git a/arch/m68k/configs/m5407c3_defconfig b/arch/m68k/configs/m5407c3_defconfig index 557b39f3be90..275ad543d4bc 100644 --- a/arch/m68k/configs/m5407c3_defconfig +++ b/arch/m68k/configs/m5407c3_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -17,9 +13,8 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5407=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=50000000 CONFIG_M5407C3=y CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00000000 @@ -38,22 +33,17 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set CONFIG_PPP=y # CONFIG_INPUT is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set @@ -63,8 +53,5 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set -CONFIG_SYSCTL_SYSCALL_CHECK=y CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" -# CONFIG_CRC32 is not set diff --git a/arch/m68k/configs/m5475evb_defconfig b/arch/m68k/configs/m5475evb_defconfig index c5018a68819b..4f4ccd13c11b 100644 --- a/arch/m68k/configs/m5475evb_defconfig +++ b/arch/m68k/configs/m5475evb_defconfig @@ -1,11 +1,7 @@ -CONFIG_EXPERIMENTAL=y # CONFIG_SWAP is not set CONFIG_LOG_BUF_SHIFT=14 -CONFIG_SYSFS_DEPRECATED=y -CONFIG_SYSFS_DEPRECATED_V2=y CONFIG_SYSCTL_SYSCALL=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -20,19 +16,16 @@ CONFIG_MODULES=y # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set CONFIG_COLDFIRE=y -CONFIG_M547x=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=266000000 # CONFIG_4KSTACKS is not set CONFIG_RAMBASE=0x0 CONFIG_RAMSIZE=0x2000000 CONFIG_VECTORBASE=0x0 CONFIG_MBAR=0xff000000 CONFIG_KERNELBASE=0x20000 +CONFIG_PCI=y # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_CFI=y CONFIG_MTD_JEDECPROBE=y diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild index 1555bc189c7d..eb85bd9c6180 100644 --- a/arch/m68k/include/asm/Kbuild +++ b/arch/m68k/include/asm/Kbuild @@ -18,6 +18,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += mutex.h generic-y += percpu.h diff --git a/arch/m68k/include/asm/coldfire.h b/arch/m68k/include/asm/coldfire.h index c94557b91448..50aa4dac9ca2 100644 --- a/arch/m68k/include/asm/coldfire.h +++ b/arch/m68k/include/asm/coldfire.h @@ -19,7 +19,7 @@ * in any case new boards come along from time to time that have yet * another different clocking frequency. */ -#ifdef CONFIG_CLOCK_SET +#ifdef CONFIG_CLOCK_FREQ #define MCF_CLK CONFIG_CLOCK_FREQ #else #error "Don't know what your ColdFire CPU clock frequency is??" diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h index 618c85d3c786..f55cad529400 100644 --- a/arch/m68k/include/asm/io_mm.h +++ b/arch/m68k/include/asm/io_mm.h @@ -413,7 +413,8 @@ static inline void isa_delay(void) #define writew(val, addr) out_le16((addr), (val)) #endif /* CONFIG_ATARI_ROM_ISA */ -#if !defined(CONFIG_ISA) && !defined(CONFIG_ATARI_ROM_ISA) +#if !defined(CONFIG_ISA) && !defined(CONFIG_ATARI_ROM_ISA) && \ + !(defined(CONFIG_PCI) && defined(CONFIG_COLDFIRE)) /* * We need to define dummy functions for GENERIC_IOMAP support. */ diff --git a/arch/m68k/include/asm/mm-arch-hooks.h b/arch/m68k/include/asm/mm-arch-hooks.h deleted file mode 100644 index 7e8709bc90ae..000000000000 --- a/arch/m68k/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_M68K_MM_ARCH_HOOKS_H -#define _ASM_M68K_MM_ARCH_HOOKS_H - -#endif /* _ASM_M68K_MM_ARCH_HOOKS_H */ diff --git a/arch/metag/include/asm/Kbuild b/arch/metag/include/asm/Kbuild index 199320f3c345..df31353fd200 100644 --- a/arch/metag/include/asm/Kbuild +++ b/arch/metag/include/asm/Kbuild @@ -25,6 +25,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += msgbuf.h generic-y += mutex.h generic-y += param.h diff --git a/arch/metag/include/asm/mm-arch-hooks.h b/arch/metag/include/asm/mm-arch-hooks.h deleted file mode 100644 index b0072b2eb0de..000000000000 --- a/arch/metag/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_METAG_MM_ARCH_HOOKS_H -#define _ASM_METAG_MM_ARCH_HOOKS_H - -#endif /* _ASM_METAG_MM_ARCH_HOOKS_H */ diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild index 9989ddb169ca..2f222f355c4b 100644 --- a/arch/microblaze/include/asm/Kbuild +++ b/arch/microblaze/include/asm/Kbuild @@ -6,6 +6,7 @@ generic-y += device.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += syscalls.h generic-y += trace_clock.h diff --git a/arch/microblaze/include/asm/mm-arch-hooks.h b/arch/microblaze/include/asm/mm-arch-hooks.h deleted file mode 100644 index 5c4065911bda..000000000000 --- a/arch/microblaze/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_MICROBLAZE_MM_ARCH_HOOKS_H -#define _ASM_MICROBLAZE_MM_ARCH_HOOKS_H - -#endif /* _ASM_MICROBLAZE_MM_ARCH_HOOKS_H */ diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 2a14585c90d2..199a8357838c 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -151,7 +151,6 @@ config BMIPS_GENERIC select BCM7120_L2_IRQ select BRCMSTB_L2_IRQ select IRQ_MIPS_CPU - select RAW_IRQ_ACCESSORS select DMA_NONCOHERENT select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN @@ -1427,6 +1426,7 @@ config CPU_MIPS64_R6 select CPU_SUPPORTS_HIGHMEM select CPU_SUPPORTS_MSA select GENERIC_CSUM + select MIPS_O32_FP64_SUPPORT if MIPS32_O32 help Choose this option to build a kernel for release 6 or later of the MIPS64 architecture. New MIPS processors, starting with the Warrior @@ -2231,7 +2231,7 @@ config MIPS_CMP config MIPS_CPS bool "MIPS Coherent Processing System support" - depends on SYS_SUPPORTS_MIPS_CPS && !64BIT + depends on SYS_SUPPORTS_MIPS_CPS select MIPS_CM select MIPS_CPC select MIPS_CPS_PM if HOTPLUG_CPU @@ -2262,11 +2262,6 @@ config MIPS_CM config MIPS_CPC bool -config SB1_PASS_1_WORKAROUNDS - bool - depends on CPU_SB1_PASS_1 - default y - config SB1_PASS_2_WORKAROUNDS bool depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) diff --git a/arch/mips/Makefile b/arch/mips/Makefile index ae2dd59050f7..252e347958f3 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -181,13 +181,6 @@ cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,) cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,) -ifdef CONFIG_CPU_SB1 -ifdef CONFIG_SB1_PASS_1_WORKAROUNDS -KBUILD_AFLAGS_MODULE += -msb1-pass1-workarounds -KBUILD_CFLAGS_MODULE += -msb1-pass1-workarounds -endif -endif - # For smartmips configurations, there are hundreds of warnings due to ISA overrides # in assembly and header files. smartmips is only supported for MIPS32r1 onwards # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c index 01a644f174dd..1ba21204ebe0 100644 --- a/arch/mips/ath79/setup.c +++ b/arch/mips/ath79/setup.c @@ -190,6 +190,7 @@ int get_c0_perfcount_int(void) { return ATH79_MISC_IRQ(5); } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c index 56f5d080ef9d..b7fa9ae28c36 100644 --- a/arch/mips/cavium-octeon/smp.c +++ b/arch/mips/cavium-octeon/smp.c @@ -42,7 +42,7 @@ static irqreturn_t mailbox_interrupt(int irq, void *dev_id) cvmx_write_csr(CVMX_CIU_MBOX_CLRX(coreid), action); if (action & SMP_CALL_FUNCTION) - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); if (action & SMP_RESCHEDULE_YOURSELF) scheduler_ipi(); diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild index 7fe5c61a3cb8..1f8546081d20 100644 --- a/arch/mips/include/asm/Kbuild +++ b/arch/mips/include/asm/Kbuild @@ -7,6 +7,7 @@ generic-y += emergency-restart.h generic-y += irq_work.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mutex.h generic-y += parport.h generic-y += percpu.h diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h index 084780b355aa..1b0625189835 100644 --- a/arch/mips/include/asm/fpu.h +++ b/arch/mips/include/asm/fpu.h @@ -74,7 +74,7 @@ static inline int __enable_fpu(enum fpu_mode mode) goto fr_common; case FPU_64BIT: -#if !(defined(CONFIG_CPU_MIPS32_R2) || defined(CONFIG_CPU_MIPS32_R6) \ +#if !(defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) \ || defined(CONFIG_64BIT)) /* we only have a 32-bit FPU */ return SIGFPE; diff --git a/arch/mips/include/asm/mach-bcm63xx/dma-coherence.h b/arch/mips/include/asm/mach-bcm63xx/dma-coherence.h deleted file mode 100644 index 11d3b572b1b3..000000000000 --- a/arch/mips/include/asm/mach-bcm63xx/dma-coherence.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef __ASM_MACH_BCM63XX_DMA_COHERENCE_H -#define __ASM_MACH_BCM63XX_DMA_COHERENCE_H - -#include <asm/bmips.h> - -#define plat_post_dma_flush bmips_post_dma_flush - -#include <asm/mach-generic/dma-coherence.h> - -#endif /* __ASM_MACH_BCM63XX_DMA_COHERENCE_H */ diff --git a/arch/mips/include/asm/mach-loongson64/mmzone.h b/arch/mips/include/asm/mach-loongson64/mmzone.h index 37c08a27b4f0..c9f7e231e66b 100644 --- a/arch/mips/include/asm/mach-loongson64/mmzone.h +++ b/arch/mips/include/asm/mach-loongson64/mmzone.h @@ -1,6 +1,6 @@ /* * Copyright (C) 2010 Loongson Inc. & Lemote Inc. & - * Insititute of Computing Technology + * Institute of Computing Technology * Author: Xiang Gao, gaoxiang@ict.ac.cn * Huacai Chen, chenhc@lemote.com * Xiaofu Meng, Shuangshuang Zhang diff --git a/arch/mips/include/asm/mach-sibyte/war.h b/arch/mips/include/asm/mach-sibyte/war.h index 0a227d426b9c..520f8fc2c806 100644 --- a/arch/mips/include/asm/mach-sibyte/war.h +++ b/arch/mips/include/asm/mach-sibyte/war.h @@ -13,8 +13,7 @@ #define R4600_V2_HIT_CACHEOP_WAR 0 #define R5432_CP0_INTERRUPT_WAR 0 -#if defined(CONFIG_SB1_PASS_1_WORKAROUNDS) || \ - defined(CONFIG_SB1_PASS_2_WORKAROUNDS) +#if defined(CONFIG_SB1_PASS_2_WORKAROUNDS) #ifndef __ASSEMBLY__ extern int sb1250_m3_workaround_needed(void); diff --git a/arch/mips/include/asm/mm-arch-hooks.h b/arch/mips/include/asm/mm-arch-hooks.h deleted file mode 100644 index b5609fe8e475..000000000000 --- a/arch/mips/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_MIPS_MM_ARCH_HOOKS_H -#define _ASM_MIPS_MM_ARCH_HOOKS_H - -#endif /* _ASM_MIPS_MM_ARCH_HOOKS_H */ diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 9d8106758142..ae8569475264 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -182,8 +182,39 @@ static inline void set_pte(pte_t *ptep, pte_t pteval) * Make sure the buddy is global too (if it's !none, * it better already be global) */ +#ifdef CONFIG_SMP + /* + * For SMP, multiple CPUs can race, so we need to do + * this atomically. + */ +#ifdef CONFIG_64BIT +#define LL_INSN "lld" +#define SC_INSN "scd" +#else /* CONFIG_32BIT */ +#define LL_INSN "ll" +#define SC_INSN "sc" +#endif + unsigned long page_global = _PAGE_GLOBAL; + unsigned long tmp; + + __asm__ __volatile__ ( + " .set push\n" + " .set noreorder\n" + "1: " LL_INSN " %[tmp], %[buddy]\n" + " bnez %[tmp], 2f\n" + " or %[tmp], %[tmp], %[global]\n" + " " SC_INSN " %[tmp], %[buddy]\n" + " beqz %[tmp], 1b\n" + " nop\n" + "2:\n" + " .set pop" + : [buddy] "+m" (buddy->pte), + [tmp] "=&r" (tmp) + : [global] "r" (page_global)); +#else /* !CONFIG_SMP */ if (pte_none(*buddy)) pte_val(*buddy) = pte_val(*buddy) | _PAGE_GLOBAL; +#endif /* CONFIG_SMP */ } #endif } diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h index 2b25d1ba1ea0..03722d4326a1 100644 --- a/arch/mips/include/asm/smp.h +++ b/arch/mips/include/asm/smp.h @@ -23,6 +23,7 @@ extern int smp_num_siblings; extern cpumask_t cpu_sibling_map[]; extern cpumask_t cpu_core_map[]; +extern cpumask_t cpu_foreign_map; #define raw_smp_processor_id() (current_thread_info()->cpu) @@ -82,8 +83,6 @@ static inline void __cpu_die(unsigned int cpu) extern void play_dead(void); #endif -extern asmlinkage void smp_call_function_interrupt(void); - static inline void arch_send_call_function_single_ipi(int cpu) { extern struct plat_smp_ops *mp_ops; /* private */ diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h index 28d6d9364bd1..a71da576883c 100644 --- a/arch/mips/include/asm/stackframe.h +++ b/arch/mips/include/asm/stackframe.h @@ -152,6 +152,31 @@ .set noreorder bltz k0, 8f move k1, sp +#ifdef CONFIG_EVA + /* + * Flush interAptiv's Return Prediction Stack (RPS) by writing + * EntryHi. Toggling Config7.RPS is slower and less portable. + * + * The RPS isn't automatically flushed when exceptions are + * taken, which can result in kernel mode speculative accesses + * to user addresses if the RPS mispredicts. That's harmless + * when user and kernel share the same address space, but with + * EVA the same user segments may be unmapped to kernel mode, + * even containing sensitive MMIO regions or invalid memory. + * + * This can happen when the kernel sets the return address to + * ret_from_* and jr's to the exception handler, which looks + * more like a tail call than a function call. If nested calls + * don't evict the last user address in the RPS, it will + * mispredict the return and fetch from a user controlled + * address into the icache. + * + * More recent EVA-capable cores with MAAR to restrict + * speculative accesses aren't affected. + */ + MFC0 k0, CP0_ENTRYHI + MTC0 k0, CP0_ENTRYHI +#endif .set reorder /* Called from user mode, new stack. */ get_saved_sp diff --git a/arch/mips/include/uapi/asm/sigcontext.h b/arch/mips/include/uapi/asm/sigcontext.h index 6c9906f59c6e..9081d88ae44f 100644 --- a/arch/mips/include/uapi/asm/sigcontext.h +++ b/arch/mips/include/uapi/asm/sigcontext.h @@ -16,7 +16,7 @@ /* * Keep this struct definition in sync with the sigcontext fragment - * in arch/mips/tools/offset.c + * in arch/mips/kernel/asm-offsets.c */ struct sigcontext { unsigned int sc_regmask; /* Unused */ @@ -46,7 +46,7 @@ struct sigcontext { #include <linux/posix_types.h> /* * Keep this struct definition in sync with the sigcontext fragment - * in arch/mips/tools/offset.c + * in arch/mips/kernel/asm-offsets.c * * Warning: this structure illdefined with sc_badvaddr being just an unsigned * int so it was changed to unsigned long in 2.6.0-test1. This may break diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index beabe19ff8e5..072fab13645d 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -1,5 +1,5 @@ /* - * offset.c: Calculate pt_regs and task_struct offsets. + * asm-offsets.c: Calculate pt_regs and task_struct offsets. * * Copyright (C) 1996 David S. Miller * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Ralf Baechle diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c index c0c5e5972256..d8f9b357b222 100644 --- a/arch/mips/kernel/branch.c +++ b/arch/mips/kernel/branch.c @@ -600,7 +600,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, break; case blezl_op: /* not really i_format */ - if (NO_R6EMU) + if (!insn.i_format.rt && NO_R6EMU) goto sigill_r6; case blez_op: /* @@ -635,7 +635,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, break; case bgtzl_op: - if (NO_R6EMU) + if (!insn.i_format.rt && NO_R6EMU) goto sigill_r6; case bgtz_op: /* diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S index 55b759a0019e..1b6ca634e646 100644 --- a/arch/mips/kernel/cps-vec.S +++ b/arch/mips/kernel/cps-vec.S @@ -60,7 +60,7 @@ LEAF(mips_cps_core_entry) nop /* This is an NMI */ - la k0, nmi_handler + PTR_LA k0, nmi_handler jr k0 nop @@ -107,10 +107,10 @@ not_nmi: mul t1, t1, t0 mul t1, t1, t2 - li a0, KSEG0 - add a1, a0, t1 + li a0, CKSEG0 + PTR_ADD a1, a0, t1 1: cache Index_Store_Tag_I, 0(a0) - add a0, a0, t0 + PTR_ADD a0, a0, t0 bne a0, a1, 1b nop icache_done: @@ -134,12 +134,12 @@ icache_done: mul t1, t1, t0 mul t1, t1, t2 - li a0, KSEG0 - addu a1, a0, t1 - subu a1, a1, t0 + li a0, CKSEG0 + PTR_ADDU a1, a0, t1 + PTR_SUBU a1, a1, t0 1: cache Index_Store_Tag_D, 0(a0) bne a0, a1, 1b - add a0, a0, t0 + PTR_ADD a0, a0, t0 dcache_done: /* Set Kseg0 CCA to that in s0 */ @@ -152,11 +152,11 @@ dcache_done: /* Enter the coherent domain */ li t0, 0xff - sw t0, GCR_CL_COHERENCE_OFS(v1) + PTR_S t0, GCR_CL_COHERENCE_OFS(v1) ehb /* Jump to kseg0 */ - la t0, 1f + PTR_LA t0, 1f jr t0 nop @@ -178,9 +178,9 @@ dcache_done: nop /* Off we go! */ - lw t1, VPEBOOTCFG_PC(v0) - lw gp, VPEBOOTCFG_GP(v0) - lw sp, VPEBOOTCFG_SP(v0) + PTR_L t1, VPEBOOTCFG_PC(v0) + PTR_L gp, VPEBOOTCFG_GP(v0) + PTR_L sp, VPEBOOTCFG_SP(v0) jr t1 nop END(mips_cps_core_entry) @@ -217,7 +217,7 @@ LEAF(excep_intex) .org 0x480 LEAF(excep_ejtag) - la k0, ejtag_debug_handler + PTR_LA k0, ejtag_debug_handler jr k0 nop END(excep_ejtag) @@ -229,7 +229,7 @@ LEAF(mips_cps_core_init) nop .set push - .set mips32r2 + .set mips64r2 .set mt /* Only allow 1 TC per VPE to execute... */ @@ -237,7 +237,7 @@ LEAF(mips_cps_core_init) /* ...and for the moment only 1 VPE */ dvpe - la t1, 1f + PTR_LA t1, 1f jr.hb t1 nop @@ -250,25 +250,25 @@ LEAF(mips_cps_core_init) mfc0 t0, CP0_MVPCONF0 srl t0, t0, MVPCONF0_PVPE_SHIFT andi t0, t0, (MVPCONF0_PVPE >> MVPCONF0_PVPE_SHIFT) - addiu t7, t0, 1 + addiu ta3, t0, 1 /* If there's only 1, we're done */ beqz t0, 2f nop /* Loop through each VPE within this core */ - li t5, 1 + li ta1, 1 1: /* Operate on the appropriate TC */ - mtc0 t5, CP0_VPECONTROL + mtc0 ta1, CP0_VPECONTROL ehb /* Bind TC to VPE (1:1 TC:VPE mapping) */ - mttc0 t5, CP0_TCBIND + mttc0 ta1, CP0_TCBIND /* Set exclusive TC, non-active, master */ li t0, VPECONF0_MVP - sll t1, t5, VPECONF0_XTC_SHIFT + sll t1, ta1, VPECONF0_XTC_SHIFT or t0, t0, t1 mttc0 t0, CP0_VPECONF0 @@ -280,8 +280,8 @@ LEAF(mips_cps_core_init) mttc0 t0, CP0_TCHALT /* Next VPE */ - addiu t5, t5, 1 - slt t0, t5, t7 + addiu ta1, ta1, 1 + slt t0, ta1, ta3 bnez t0, 1b nop @@ -298,19 +298,19 @@ LEAF(mips_cps_core_init) LEAF(mips_cps_boot_vpes) /* Retrieve CM base address */ - la t0, mips_cm_base - lw t0, 0(t0) + PTR_LA t0, mips_cm_base + PTR_L t0, 0(t0) /* Calculate a pointer to this cores struct core_boot_config */ - lw t0, GCR_CL_ID_OFS(t0) + PTR_L t0, GCR_CL_ID_OFS(t0) li t1, COREBOOTCFG_SIZE mul t0, t0, t1 - la t1, mips_cps_core_bootcfg - lw t1, 0(t1) - addu t0, t0, t1 + PTR_LA t1, mips_cps_core_bootcfg + PTR_L t1, 0(t1) + PTR_ADDU t0, t0, t1 /* Calculate this VPEs ID. If the core doesn't support MT use 0 */ - has_mt t6, 1f + has_mt ta2, 1f li t9, 0 /* Find the number of VPEs present in the core */ @@ -334,24 +334,24 @@ LEAF(mips_cps_boot_vpes) 1: /* Calculate a pointer to this VPEs struct vpe_boot_config */ li t1, VPEBOOTCFG_SIZE mul v0, t9, t1 - lw t7, COREBOOTCFG_VPECONFIG(t0) - addu v0, v0, t7 + PTR_L ta3, COREBOOTCFG_VPECONFIG(t0) + PTR_ADDU v0, v0, ta3 #ifdef CONFIG_MIPS_MT /* If the core doesn't support MT then return */ - bnez t6, 1f + bnez ta2, 1f nop jr ra nop .set push - .set mips32r2 + .set mips64r2 .set mt 1: /* Enter VPE configuration state */ dvpe - la t1, 1f + PTR_LA t1, 1f jr.hb t1 nop 1: mfc0 t1, CP0_MVPCONTROL @@ -360,12 +360,12 @@ LEAF(mips_cps_boot_vpes) ehb /* Loop through each VPE */ - lw t6, COREBOOTCFG_VPEMASK(t0) - move t8, t6 - li t5, 0 + PTR_L ta2, COREBOOTCFG_VPEMASK(t0) + move t8, ta2 + li ta1, 0 /* Check whether the VPE should be running. If not, skip it */ -1: andi t0, t6, 1 +1: andi t0, ta2, 1 beqz t0, 2f nop @@ -373,7 +373,7 @@ LEAF(mips_cps_boot_vpes) mfc0 t0, CP0_VPECONTROL ori t0, t0, VPECONTROL_TARGTC xori t0, t0, VPECONTROL_TARGTC - or t0, t0, t5 + or t0, t0, ta1 mtc0 t0, CP0_VPECONTROL ehb @@ -384,8 +384,8 @@ LEAF(mips_cps_boot_vpes) /* Calculate a pointer to the VPEs struct vpe_boot_config */ li t0, VPEBOOTCFG_SIZE - mul t0, t0, t5 - addu t0, t0, t7 + mul t0, t0, ta1 + addu t0, t0, ta3 /* Set the TC restart PC */ lw t1, VPEBOOTCFG_PC(t0) @@ -423,9 +423,9 @@ LEAF(mips_cps_boot_vpes) mttc0 t0, CP0_VPECONF0 /* Next VPE */ -2: srl t6, t6, 1 - addiu t5, t5, 1 - bnez t6, 1b +2: srl ta2, ta2, 1 + addiu ta1, ta1, 1 + bnez ta2, 1b nop /* Leave VPE configuration state */ @@ -445,7 +445,7 @@ LEAF(mips_cps_boot_vpes) /* This VPE should be offline, halt the TC */ li t0, TCHALT_H mtc0 t0, CP0_TCHALT - la t0, 1f + PTR_LA t0, 1f 1: jr.hb t0 nop @@ -466,10 +466,10 @@ LEAF(mips_cps_boot_vpes) .set noat lw $1, TI_CPU(gp) sll $1, $1, LONGLOG - la \dest, __per_cpu_offset + PTR_LA \dest, __per_cpu_offset addu $1, $1, \dest lw $1, 0($1) - la \dest, cps_cpu_state + PTR_LA \dest, cps_cpu_state addu \dest, \dest, $1 .set pop .endm diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S index af42e7003f12..baa7b6fc0a60 100644 --- a/arch/mips/kernel/genex.S +++ b/arch/mips/kernel/genex.S @@ -407,7 +407,7 @@ NESTED(nmi_handler, PT_SIZE, sp) .set noat SAVE_ALL FEXPORT(handle_\exception\ext) - __BUILD_clear_\clear + __build_clear_\clear .set at __BUILD_\verbose \exception move a0, sp diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c index 3e4491aa6d6b..789d7bf4fef3 100644 --- a/arch/mips/kernel/mips-mt-fpaff.c +++ b/arch/mips/kernel/mips-mt-fpaff.c @@ -154,7 +154,7 @@ asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len, unsigned long __user *user_mask_ptr) { unsigned int real_len; - cpumask_t mask; + cpumask_t allowed, mask; int retval; struct task_struct *p; @@ -173,7 +173,8 @@ asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len, if (retval) goto out_unlock; - cpumask_and(&mask, &p->thread.user_cpus_allowed, cpu_possible_mask); + cpumask_or(&allowed, &p->thread.user_cpus_allowed, &p->cpus_allowed); + cpumask_and(&mask, &allowed, cpu_active_mask); out_unlock: read_unlock(&tasklist_lock); diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c index b130033838ba..5fcec3032f38 100644 --- a/arch/mips/kernel/prom.c +++ b/arch/mips/kernel/prom.c @@ -38,7 +38,7 @@ char *mips_get_machine_name(void) return mips_machine_name; } -#ifdef CONFIG_OF +#ifdef CONFIG_USE_OF void __init early_init_dt_add_memory_arch(u64 base, u64 size) { return add_memory_region(base, size, BOOT_MEM_RAM); diff --git a/arch/mips/kernel/relocate_kernel.S b/arch/mips/kernel/relocate_kernel.S index 74bab9ddd0e1..c6bbf2165051 100644 --- a/arch/mips/kernel/relocate_kernel.S +++ b/arch/mips/kernel/relocate_kernel.S @@ -24,7 +24,7 @@ LEAF(relocate_new_kernel) process_entry: PTR_L s2, (s0) - PTR_ADD s0, s0, SZREG + PTR_ADDIU s0, s0, SZREG /* * In case of a kdump/crash kernel, the indirection page is not @@ -61,9 +61,9 @@ copy_word: /* copy page word by word */ REG_L s5, (s2) REG_S s5, (s4) - PTR_ADD s4, s4, SZREG - PTR_ADD s2, s2, SZREG - LONG_SUB s6, s6, 1 + PTR_ADDIU s4, s4, SZREG + PTR_ADDIU s2, s2, SZREG + LONG_ADDIU s6, s6, -1 beq s6, zero, process_entry b copy_word b process_entry diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 6e8de80bb446..4cc13508d967 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -73,10 +73,11 @@ NESTED(handle_sys, PT_SIZE, sp) .set noreorder .set nomacro -1: user_lw(t5, 16(t0)) # argument #5 from usp -4: user_lw(t6, 20(t0)) # argument #6 from usp -3: user_lw(t7, 24(t0)) # argument #7 from usp -2: user_lw(t8, 28(t0)) # argument #8 from usp +load_a4: user_lw(t5, 16(t0)) # argument #5 from usp +load_a5: user_lw(t6, 20(t0)) # argument #6 from usp +load_a6: user_lw(t7, 24(t0)) # argument #7 from usp +load_a7: user_lw(t8, 28(t0)) # argument #8 from usp +loads_done: sw t5, 16(sp) # argument #5 to ksp sw t6, 20(sp) # argument #6 to ksp @@ -85,10 +86,10 @@ NESTED(handle_sys, PT_SIZE, sp) .set pop .section __ex_table,"a" - PTR 1b,bad_stack - PTR 2b,bad_stack - PTR 3b,bad_stack - PTR 4b,bad_stack + PTR load_a4, bad_stack_a4 + PTR load_a5, bad_stack_a5 + PTR load_a6, bad_stack_a6 + PTR load_a7, bad_stack_a7 .previous lw t0, TI_FLAGS($28) # syscall tracing enabled? @@ -153,8 +154,8 @@ syscall_trace_entry: /* ------------------------------------------------------------------------ */ /* - * The stackpointer for a call with more than 4 arguments is bad. - * We probably should handle this case a bit more drastic. + * Our open-coded access area sanity test for the stack pointer + * failed. We probably should handle this case a bit more drastic. */ bad_stack: li v0, EFAULT @@ -163,6 +164,22 @@ bad_stack: sw t0, PT_R7(sp) j o32_syscall_exit +bad_stack_a4: + li t5, 0 + b load_a5 + +bad_stack_a5: + li t6, 0 + b load_a6 + +bad_stack_a6: + li t7, 0 + b load_a7 + +bad_stack_a7: + li t8, 0 + b loads_done + /* * The system call does not exist in this kernel */ diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index ad4d44635c76..a6f6b762c47a 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -80,7 +80,7 @@ syscall_trace_entry: SAVE_STATIC move s0, t2 move a0, sp - daddiu a1, v0, __NR_64_Linux + move a1, v0 jal syscall_trace_enter bltz v0, 2f # seccomp failed? Skip syscall diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 446cc654da56..4b2010654c46 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -72,7 +72,7 @@ n32_syscall_trace_entry: SAVE_STATIC move s0, t2 move a0, sp - daddiu a1, v0, __NR_N32_Linux + move a1, v0 jal syscall_trace_enter bltz v0, 2f # seccomp failed? Skip syscall diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index d07b210fbeff..f543ff4feef9 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -69,16 +69,17 @@ NESTED(handle_sys, PT_SIZE, sp) daddu t1, t0, 32 bltz t1, bad_stack -1: lw a4, 16(t0) # argument #5 from usp -2: lw a5, 20(t0) # argument #6 from usp -3: lw a6, 24(t0) # argument #7 from usp -4: lw a7, 28(t0) # argument #8 from usp (for indirect syscalls) +load_a4: lw a4, 16(t0) # argument #5 from usp +load_a5: lw a5, 20(t0) # argument #6 from usp +load_a6: lw a6, 24(t0) # argument #7 from usp +load_a7: lw a7, 28(t0) # argument #8 from usp +loads_done: .section __ex_table,"a" - PTR 1b, bad_stack - PTR 2b, bad_stack - PTR 3b, bad_stack - PTR 4b, bad_stack + PTR load_a4, bad_stack_a4 + PTR load_a5, bad_stack_a5 + PTR load_a6, bad_stack_a6 + PTR load_a7, bad_stack_a7 .previous li t1, _TIF_WORK_SYSCALL_ENTRY @@ -167,6 +168,22 @@ bad_stack: sd t0, PT_R7(sp) j o32_syscall_exit +bad_stack_a4: + li a4, 0 + b load_a5 + +bad_stack_a5: + li a5, 0 + b load_a6 + +bad_stack_a6: + li a6, 0 + b load_a7 + +bad_stack_a7: + li a7, 0 + b loads_done + not_o32_scall: /* * This is not an o32 compatibility syscall, pass it on @@ -383,7 +400,7 @@ EXPORT(sys32_call_table) PTR sys_connect /* 4170 */ PTR sys_getpeername PTR sys_getsockname - PTR sys_getsockopt + PTR compat_sys_getsockopt PTR sys_listen PTR compat_sys_recv /* 4175 */ PTR compat_sys_recvfrom diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index be73c491182b..008b3378653a 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -337,6 +337,11 @@ static void __init bootmem_init(void) min_low_pfn = start; if (end <= reserved_end) continue; +#ifdef CONFIG_BLK_DEV_INITRD + /* mapstart should be after initrd_end */ + if (initrd_end && end <= (unsigned long)PFN_UP(__pa(initrd_end))) + continue; +#endif if (start >= mapstart) continue; mapstart = max(reserved_end, start); @@ -366,14 +371,6 @@ static void __init bootmem_init(void) max_low_pfn = PFN_DOWN(HIGHMEM_START); } -#ifdef CONFIG_BLK_DEV_INITRD - /* - * mapstart should be after initrd_end - */ - if (initrd_end) - mapstart = max(mapstart, (unsigned long)PFN_UP(__pa(initrd_end))); -#endif - /* * Initialize the boot-time allocator with low memory only. */ diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 19a7705f2a01..5d7f2634996f 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -409,8 +409,6 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from) int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) { - memset(to, 0, sizeof *to); - if (copy_from_user(to, from, 3*sizeof(int)) || copy_from_user(to->_sifields._pad, from->_sifields._pad, SI_PAD_SIZE32)) diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c index 336708ae5c5b..78cf8c2f1de0 100644 --- a/arch/mips/kernel/smp-bmips.c +++ b/arch/mips/kernel/smp-bmips.c @@ -284,7 +284,7 @@ static irqreturn_t bmips5000_ipi_interrupt(int irq, void *dev_id) if (action == 0) scheduler_ipi(); else - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); return IRQ_HANDLED; } @@ -336,7 +336,7 @@ static irqreturn_t bmips43xx_ipi_interrupt(int irq, void *dev_id) if (action & SMP_RESCHEDULE_YOURSELF) scheduler_ipi(); if (action & SMP_CALL_FUNCTION) - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); return IRQ_HANDLED; } diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c index 4251d390b5b6..c88937745b4e 100644 --- a/arch/mips/kernel/smp-cps.c +++ b/arch/mips/kernel/smp-cps.c @@ -133,7 +133,7 @@ static void __init cps_prepare_cpus(unsigned int max_cpus) /* * Patch the start of mips_cps_core_entry to provide: * - * v0 = CM base address + * v1 = CM base address * s0 = kseg0 CCA */ entry_code = (u32 *)&mips_cps_core_entry; @@ -369,7 +369,7 @@ void play_dead(void) static void wait_for_sibling_halt(void *ptr_cpu) { - unsigned cpu = (unsigned)ptr_cpu; + unsigned cpu = (unsigned long)ptr_cpu; unsigned vpe_id = cpu_vpe_id(&cpu_data[cpu]); unsigned halted; unsigned long flags; @@ -430,7 +430,7 @@ static void cps_cpu_die(unsigned int cpu) */ err = smp_call_function_single(cpu_death_sibling, wait_for_sibling_halt, - (void *)cpu, 1); + (void *)(unsigned long)cpu, 1); if (err) panic("Failed to call remote sibling CPU\n"); } diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index faa46ebd9dda..a31896c33716 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -63,6 +63,13 @@ EXPORT_SYMBOL(cpu_sibling_map); cpumask_t cpu_core_map[NR_CPUS] __read_mostly; EXPORT_SYMBOL(cpu_core_map); +/* + * A logcal cpu mask containing only one VPE per core to + * reduce the number of IPIs on large MT systems. + */ +cpumask_t cpu_foreign_map __read_mostly; +EXPORT_SYMBOL(cpu_foreign_map); + /* representing cpus for which sibling maps can be computed */ static cpumask_t cpu_sibling_setup_map; @@ -103,6 +110,29 @@ static inline void set_cpu_core_map(int cpu) } } +/* + * Calculate a new cpu_foreign_map mask whenever a + * new cpu appears or disappears. + */ +static inline void calculate_cpu_foreign_map(void) +{ + int i, k, core_present; + cpumask_t temp_foreign_map; + + /* Re-calculate the mask */ + for_each_online_cpu(i) { + core_present = 0; + for_each_cpu(k, &temp_foreign_map) + if (cpu_data[i].package == cpu_data[k].package && + cpu_data[i].core == cpu_data[k].core) + core_present = 1; + if (!core_present) + cpumask_set_cpu(i, &temp_foreign_map); + } + + cpumask_copy(&cpu_foreign_map, &temp_foreign_map); +} + struct plat_smp_ops *mp_ops; EXPORT_SYMBOL(mp_ops); @@ -146,6 +176,8 @@ asmlinkage void start_secondary(void) set_cpu_sibling_map(cpu); set_cpu_core_map(cpu); + calculate_cpu_foreign_map(); + cpumask_set_cpu(cpu, &cpu_callin_map); synchronise_count_slave(cpu); @@ -160,22 +192,21 @@ asmlinkage void start_secondary(void) cpu_startup_entry(CPUHP_ONLINE); } -/* - * Call into both interrupt handlers, as we share the IPI for them - */ -void __irq_entry smp_call_function_interrupt(void) -{ - irq_enter(); - generic_smp_call_function_interrupt(); - irq_exit(); -} - static void stop_this_cpu(void *dummy) { /* - * Remove this CPU: + * Remove this CPU. Be a bit slow here and + * set the bits for every online CPU so we don't miss + * any IPI whilst taking this VPE down. */ + + cpumask_copy(&cpu_foreign_map, cpu_online_mask); + + /* Make it visible to every other CPU */ + smp_mb(); + set_cpu_online(smp_processor_id(), false); + calculate_cpu_foreign_map(); local_irq_disable(); while (1); } @@ -197,6 +228,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) mp_ops->prepare_cpus(max_cpus); set_cpu_sibling_map(0); set_cpu_core_map(0); + calculate_cpu_foreign_map(); #ifndef CONFIG_HOTPLUG_CPU init_cpu_present(cpu_possible_mask); #endif diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 2a7b38ed23f0..8ea28e6ab37d 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -192,6 +192,7 @@ static void show_stacktrace(struct task_struct *task, void show_stack(struct task_struct *task, unsigned long *sp) { struct pt_regs regs; + mm_segment_t old_fs = get_fs(); if (sp) { regs.regs[29] = (unsigned long)sp; regs.regs[31] = 0; @@ -210,7 +211,13 @@ void show_stack(struct task_struct *task, unsigned long *sp) prepare_frametrace(®s); } } + /* + * show_stack() deals exclusively with kernel mode, so be sure to access + * the stack in the kernel (not user) address space. + */ + set_fs(KERNEL_DS); show_stacktrace(task, ®s); + set_fs(old_fs); } static void show_code(unsigned int __user *pc) @@ -1519,6 +1526,7 @@ asmlinkage void do_mcheck(struct pt_regs *regs) const int field = 2 * sizeof(unsigned long); int multi_match = regs->cp0_status & ST0_TS; enum ctx_state prev_state; + mm_segment_t old_fs = get_fs(); prev_state = exception_enter(); show_regs(regs); @@ -1540,8 +1548,13 @@ asmlinkage void do_mcheck(struct pt_regs *regs) dump_tlb_all(); } + if (!user_mode(regs)) + set_fs(KERNEL_DS); + show_code((unsigned int __user *) regs->cp0_epc); + set_fs(old_fs); + /* * Some chips may have other causes of machine check (e.g. SB1 * graduation timer) @@ -2130,10 +2143,10 @@ void per_cpu_trap_init(bool is_boot_cpu) BUG_ON(current->mm); enter_lazy_tlb(&init_mm, current); - /* Boot CPU's cache setup in setup_arch(). */ - if (!is_boot_cpu) - cpu_cache_init(); - tlb_init(); + /* Boot CPU's cache setup in setup_arch(). */ + if (!is_boot_cpu) + cpu_cache_init(); + tlb_init(); TLBMISS_HANDLER_SETUP(); } diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c index af84bef0c90d..eb3efd137fd1 100644 --- a/arch/mips/kernel/unaligned.c +++ b/arch/mips/kernel/unaligned.c @@ -438,7 +438,7 @@ do { \ : "memory"); \ } while(0) -#define StoreDW(addr, value, res) \ +#define _StoreDW(addr, value, res) \ do { \ __asm__ __volatile__ ( \ ".set\tpush\n\t" \ diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c index 6ab10573490d..2c218c3bbca5 100644 --- a/arch/mips/lantiq/irq.c +++ b/arch/mips/lantiq/irq.c @@ -293,7 +293,7 @@ static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) static irqreturn_t ipi_call_interrupt(int irq, void *dev_id) { - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); return IRQ_HANDLED; } @@ -466,6 +466,7 @@ int get_c0_perfcount_int(void) { return ltq_perfcount_irq; } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { diff --git a/arch/mips/loongson64/common/bonito-irq.c b/arch/mips/loongson64/common/bonito-irq.c index cc0e4fd548e6..4e116d23bab3 100644 --- a/arch/mips/loongson64/common/bonito-irq.c +++ b/arch/mips/loongson64/common/bonito-irq.c @@ -3,7 +3,7 @@ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net * Copyright (C) 2000, 2001 Ralf Baechle (ralf@gnu.org) * - * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * * This program is free software; you can redistribute it and/or modify it diff --git a/arch/mips/loongson64/common/cmdline.c b/arch/mips/loongson64/common/cmdline.c index 72fed003a536..01fbed137028 100644 --- a/arch/mips/loongson64/common/cmdline.c +++ b/arch/mips/loongson64/common/cmdline.c @@ -6,7 +6,7 @@ * Copyright 2003 ICT CAS * Author: Michael Guo <guoyi@ict.ac.cn> * - * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * * Copyright (C) 2009 Lemote Inc. diff --git a/arch/mips/loongson64/common/cs5536/cs5536_mfgpt.c b/arch/mips/loongson64/common/cs5536/cs5536_mfgpt.c index 12c75db23420..875037063a80 100644 --- a/arch/mips/loongson64/common/cs5536/cs5536_mfgpt.c +++ b/arch/mips/loongson64/common/cs5536/cs5536_mfgpt.c @@ -1,7 +1,7 @@ /* * CS5536 General timer functions * - * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology * Author: Yanhua, yanh@lemote.com * * Copyright (C) 2009 Lemote Inc. diff --git a/arch/mips/loongson64/common/env.c b/arch/mips/loongson64/common/env.c index 22f04ca2ff3e..f6c44dd332e2 100644 --- a/arch/mips/loongson64/common/env.c +++ b/arch/mips/loongson64/common/env.c @@ -6,7 +6,7 @@ * Copyright 2003 ICT CAS * Author: Michael Guo <guoyi@ict.ac.cn> * - * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * * Copyright (C) 2009 Lemote Inc. diff --git a/arch/mips/loongson64/common/irq.c b/arch/mips/loongson64/common/irq.c index 687003b19b45..d36d969a4a87 100644 --- a/arch/mips/loongson64/common/irq.c +++ b/arch/mips/loongson64/common/irq.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * * This program is free software; you can redistribute it and/or modify it diff --git a/arch/mips/loongson64/common/setup.c b/arch/mips/loongson64/common/setup.c index d477dd6bb326..2dc5122f0e09 100644 --- a/arch/mips/loongson64/common/setup.c +++ b/arch/mips/loongson64/common/setup.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * * This program is free software; you can redistribute it and/or modify it diff --git a/arch/mips/loongson64/fuloong-2e/irq.c b/arch/mips/loongson64/fuloong-2e/irq.c index ef5ec8f3de5f..892963f860b7 100644 --- a/arch/mips/loongson64/fuloong-2e/irq.c +++ b/arch/mips/loongson64/fuloong-2e/irq.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * * This program is free software; you can redistribute it and/or modify it diff --git a/arch/mips/loongson64/lemote-2f/clock.c b/arch/mips/loongson64/lemote-2f/clock.c index 462e34d46b4a..a78fb657068c 100644 --- a/arch/mips/loongson64/lemote-2f/clock.c +++ b/arch/mips/loongson64/lemote-2f/clock.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006 - 2008 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2006 - 2008 Lemote Inc. & Institute of Computing Technology * Author: Yanhua, yanh@lemote.com * * This file is subject to the terms and conditions of the GNU General Public @@ -15,7 +15,7 @@ #include <linux/spinlock.h> #include <asm/clock.h> -#include <asm/mach-loongson/loongson.h> +#include <asm/mach-loongson64/loongson.h> static LIST_HEAD(clock_list); static DEFINE_SPINLOCK(clock_lock); diff --git a/arch/mips/loongson64/loongson-3/numa.c b/arch/mips/loongson64/loongson-3/numa.c index 12d14ed48778..6f9e010cec4d 100644 --- a/arch/mips/loongson64/loongson-3/numa.c +++ b/arch/mips/loongson64/loongson-3/numa.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2010 Loongson Inc. & Lemote Inc. & - * Insititute of Computing Technology + * Institute of Computing Technology * Author: Xiang Gao, gaoxiang@ict.ac.cn * Huacai Chen, chenhc@lemote.com * Xiaofu Meng, Shuangshuang Zhang diff --git a/arch/mips/loongson64/loongson-3/smp.c b/arch/mips/loongson64/loongson-3/smp.c index 509877c6e9d9..1a4738a8f2d3 100644 --- a/arch/mips/loongson64/loongson-3/smp.c +++ b/arch/mips/loongson64/loongson-3/smp.c @@ -266,8 +266,11 @@ void loongson3_ipi_interrupt(struct pt_regs *regs) if (action & SMP_RESCHEDULE_YOURSELF) scheduler_ipi(); - if (action & SMP_CALL_FUNCTION) - smp_call_function_interrupt(); + if (action & SMP_CALL_FUNCTION) { + irq_enter(); + generic_smp_call_function_interrupt(); + irq_exit(); + } if (action & SMP_ASK_C0COUNT) { BUG_ON(cpu != 0); diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index 22b9b2cb9219..712f17a2ecf2 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -451,7 +451,7 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, /* Fall through */ case jr_op: /* For R6, JR already emulated in jalr_op */ - if (NO_R6EMU && insn.r_format.opcode == jr_op) + if (NO_R6EMU && insn.r_format.func == jr_op) break; *contpc = regs->regs[insn.r_format.rs]; return 1; @@ -551,7 +551,7 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, dec_insn.next_pc_inc; return 1; case blezl_op: - if (NO_R6EMU) + if (!insn.i_format.rt && NO_R6EMU) break; case blez_op: @@ -588,7 +588,7 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, dec_insn.next_pc_inc; return 1; case bgtzl_op: - if (NO_R6EMU) + if (!insn.i_format.rt && NO_R6EMU) break; case bgtz_op: /* diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 7f660dc67596..fbea4432f3f2 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -37,6 +37,7 @@ #include <asm/cacheflush.h> /* for run_uncached() */ #include <asm/traps.h> #include <asm/dma-coherence.h> +#include <asm/mips-cm.h> /* * Special Variant of smp_call_function for use by cache functions: @@ -51,9 +52,16 @@ static inline void r4k_on_each_cpu(void (*func) (void *info), void *info) { preempt_disable(); -#ifndef CONFIG_MIPS_MT_SMP - smp_call_function(func, info, 1); -#endif + /* + * The Coherent Manager propagates address-based cache ops to other + * cores but not index-based ops. However, r4k_on_each_cpu is used + * in both cases so there is no easy way to tell what kind of op is + * executed to the other cores. The best we can probably do is + * to restrict that call when a CM is not present because both + * CM-based SMP protocols (CMP & CPS) restrict index-based cache ops. + */ + if (!mips_cm_present()) + smp_call_function_many(&cpu_foreign_map, func, info, 1); func(info); preempt_enable(); } @@ -937,7 +945,9 @@ static void b5k_instruction_hazard(void) } static char *way_string[] = { NULL, "direct mapped", "2-way", - "3-way", "4-way", "5-way", "6-way", "7-way", "8-way" + "3-way", "4-way", "5-way", "6-way", "7-way", "8-way", + "9-way", "10-way", "11-way", "12-way", + "13-way", "14-way", "15-way", "16-way", }; static void probe_pcache(void) diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index 77d96db8253c..aab218c36e0d 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -160,18 +160,18 @@ static inline void setup_protection_map(void) protection_map[1] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC); protection_map[2] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ); protection_map[3] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC); - protection_map[4] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_READ); + protection_map[4] = __pgprot(_page_cachable_default | _PAGE_PRESENT); protection_map[5] = __pgprot(_page_cachable_default | _PAGE_PRESENT); - protection_map[6] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_READ); + protection_map[6] = __pgprot(_page_cachable_default | _PAGE_PRESENT); protection_map[7] = __pgprot(_page_cachable_default | _PAGE_PRESENT); protection_map[8] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ); protection_map[9] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC); protection_map[10] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE | _PAGE_NO_READ); protection_map[11] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE); - protection_map[12] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_READ); + protection_map[12] = __pgprot(_page_cachable_default | _PAGE_PRESENT); protection_map[13] = __pgprot(_page_cachable_default | _PAGE_PRESENT); - protection_map[14] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_WRITE | _PAGE_NO_READ); + protection_map[14] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_WRITE); protection_map[15] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_WRITE); } else { diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index 36c0f26fac6b..852a41c6da45 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -133,7 +133,8 @@ good_area: #endif goto bad_area; } - if (!(vma->vm_flags & VM_READ)) { + if (!(vma->vm_flags & VM_READ) && + exception_epc(regs) != address) { #if 0 pr_notice("Cpu%d[%s:%d:%0*lx:%ld:%0*lx] RI violation\n", raw_smp_processor_id(), diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c index d1392f8f5811..fa8f591f3713 100644 --- a/arch/mips/mti-malta/malta-int.c +++ b/arch/mips/mti-malta/malta-int.c @@ -222,7 +222,7 @@ static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) static irqreturn_t ipi_call_interrupt(int irq, void *dev_id) { - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); return IRQ_HANDLED; } diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c index 185e68261f45..b7bf721eabf5 100644 --- a/arch/mips/mti-malta/malta-time.c +++ b/arch/mips/mti-malta/malta-time.c @@ -119,18 +119,24 @@ void read_persistent_clock(struct timespec *ts) int get_c0_fdc_int(void) { - int mips_cpu_fdc_irq; + /* + * Some cores claim the FDC is routable through the GIC, but it doesn't + * actually seem to be connected for those Malta bitstreams. + */ + switch (current_cpu_type()) { + case CPU_INTERAPTIV: + case CPU_PROAPTIV: + return -1; + }; if (cpu_has_veic) - mips_cpu_fdc_irq = -1; + return -1; else if (gic_present) - mips_cpu_fdc_irq = gic_get_c0_fdc_int(); + return gic_get_c0_fdc_int(); else if (cp0_fdc_irq >= 0) - mips_cpu_fdc_irq = MIPS_CPU_IRQ_BASE + cp0_fdc_irq; + return MIPS_CPU_IRQ_BASE + cp0_fdc_irq; else - mips_cpu_fdc_irq = -1; - - return mips_cpu_fdc_irq; + return -1; } int get_c0_perfcount_int(void) @@ -148,6 +154,7 @@ int get_c0_perfcount_int(void) return mips_cpu_perf_irq; } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { @@ -165,14 +172,17 @@ unsigned int get_c0_compare_int(void) static void __init init_rtc(void) { - /* stop the clock whilst setting it up */ - CMOS_WRITE(RTC_SET | RTC_24H, RTC_CONTROL); + unsigned char freq, ctrl; - /* 32KHz time base */ - CMOS_WRITE(RTC_REF_CLCK_32KHZ, RTC_FREQ_SELECT); + /* Set 32KHz time base if not already set */ + freq = CMOS_READ(RTC_FREQ_SELECT); + if ((freq & RTC_DIV_CTL) != RTC_REF_CLCK_32KHZ) + CMOS_WRITE(RTC_REF_CLCK_32KHZ, RTC_FREQ_SELECT); - /* start the clock */ - CMOS_WRITE(RTC_24H, RTC_CONTROL); + /* Ensure SET bit is clear so RTC can run */ + ctrl = CMOS_READ(RTC_CONTROL); + if (ctrl & RTC_SET) + CMOS_WRITE(ctrl & ~RTC_SET, RTC_CONTROL); } void __init plat_time_init(void) diff --git a/arch/mips/mti-sead3/sead3-time.c b/arch/mips/mti-sead3/sead3-time.c index e1d69895fb1d..a120b7a5a8fe 100644 --- a/arch/mips/mti-sead3/sead3-time.c +++ b/arch/mips/mti-sead3/sead3-time.c @@ -77,6 +77,7 @@ int get_c0_perfcount_int(void) return MIPS_CPU_IRQ_BASE + cp0_perfcount_irq; return -1; } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { diff --git a/arch/mips/netlogic/common/smp.c b/arch/mips/netlogic/common/smp.c index dc3e327fbbac..f5fff228b347 100644 --- a/arch/mips/netlogic/common/smp.c +++ b/arch/mips/netlogic/common/smp.c @@ -86,7 +86,7 @@ void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc) { clear_c0_eimr(irq); ack_c0_eirr(irq); - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); set_c0_eimr(irq); } diff --git a/arch/mips/paravirt/paravirt-smp.c b/arch/mips/paravirt/paravirt-smp.c index 42181c7105df..f8d3e081b2eb 100644 --- a/arch/mips/paravirt/paravirt-smp.c +++ b/arch/mips/paravirt/paravirt-smp.c @@ -114,7 +114,7 @@ static irqreturn_t paravirt_reched_interrupt(int irq, void *dev_id) static irqreturn_t paravirt_function_interrupt(int irq, void *dev_id) { - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); return IRQ_HANDLED; } diff --git a/arch/mips/pistachio/init.c b/arch/mips/pistachio/init.c index d2dc836523a3..8bd8ebb20a72 100644 --- a/arch/mips/pistachio/init.c +++ b/arch/mips/pistachio/init.c @@ -63,13 +63,19 @@ void __init plat_mem_setup(void) plat_setup_iocoherency(); } -#define DEFAULT_CPC_BASE_ADDR 0x1bde0000 +#define DEFAULT_CPC_BASE_ADDR 0x1bde0000 +#define DEFAULT_CDMM_BASE_ADDR 0x1bdd0000 phys_addr_t mips_cpc_default_phys_base(void) { return DEFAULT_CPC_BASE_ADDR; } +phys_addr_t mips_cdmm_phys_base(void) +{ + return DEFAULT_CDMM_BASE_ADDR; +} + static void __init mips_nmi_setup(void) { void *base; diff --git a/arch/mips/pistachio/time.c b/arch/mips/pistachio/time.c index 67889fcea8aa..8a377346f0ca 100644 --- a/arch/mips/pistachio/time.c +++ b/arch/mips/pistachio/time.c @@ -26,6 +26,12 @@ int get_c0_perfcount_int(void) { return gic_get_c0_perfcount_int(); } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); + +int get_c0_fdc_int(void) +{ + return gic_get_c0_fdc_int(); +} void __init plat_time_init(void) { diff --git a/arch/mips/pmcs-msp71xx/msp_smp.c b/arch/mips/pmcs-msp71xx/msp_smp.c index 10170580a2de..ffa0f7101a97 100644 --- a/arch/mips/pmcs-msp71xx/msp_smp.c +++ b/arch/mips/pmcs-msp71xx/msp_smp.c @@ -44,7 +44,7 @@ static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) static irqreturn_t ipi_call_interrupt(int irq, void *dev_id) { - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); return IRQ_HANDLED; } diff --git a/arch/mips/ralink/irq.c b/arch/mips/ralink/irq.c index 53707aacc0f8..8c624a8b9ea2 100644 --- a/arch/mips/ralink/irq.c +++ b/arch/mips/ralink/irq.c @@ -89,6 +89,7 @@ int get_c0_perfcount_int(void) { return rt_perfcount_irq; } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c index 3fbaef97a1b8..16ec4e12daa3 100644 --- a/arch/mips/sgi-ip27/ip27-irq.c +++ b/arch/mips/sgi-ip27/ip27-irq.c @@ -107,10 +107,14 @@ static void ip27_do_irq_mask0(void) scheduler_ipi(); } else if (pend0 & (1UL << CPU_CALL_A_IRQ)) { LOCAL_HUB_CLR_INTR(CPU_CALL_A_IRQ); - smp_call_function_interrupt(); + irq_enter(); + generic_smp_call_function_interrupt(); + irq_exit(); } else if (pend0 & (1UL << CPU_CALL_B_IRQ)) { LOCAL_HUB_CLR_INTR(CPU_CALL_B_IRQ); - smp_call_function_interrupt(); + irq_enter(); + generic_smp_call_function_interrupt(); + irq_exit(); } else #endif { diff --git a/arch/mips/sibyte/Kconfig b/arch/mips/sibyte/Kconfig index a8bb972fd9fd..cb9a095f5c5e 100644 --- a/arch/mips/sibyte/Kconfig +++ b/arch/mips/sibyte/Kconfig @@ -81,11 +81,6 @@ choice prompt "SiByte SOC Stepping" depends on SIBYTE_SB1xxx_SOC -config CPU_SB1_PASS_1 - bool "1250 Pass1" - depends on SIBYTE_SB1250 - select CPU_HAS_PREFETCH - config CPU_SB1_PASS_2_1250 bool "1250 An" depends on SIBYTE_SB1250 diff --git a/arch/mips/sibyte/bcm1480/smp.c b/arch/mips/sibyte/bcm1480/smp.c index af7d44edd9a8..4c71aea25663 100644 --- a/arch/mips/sibyte/bcm1480/smp.c +++ b/arch/mips/sibyte/bcm1480/smp.c @@ -29,8 +29,6 @@ #include <asm/sibyte/bcm1480_regs.h> #include <asm/sibyte/bcm1480_int.h> -extern void smp_call_function_interrupt(void); - /* * These are routines for dealing with the bcm1480 smp capabilities * independent of board/firmware @@ -184,6 +182,9 @@ void bcm1480_mailbox_interrupt(void) if (action & SMP_RESCHEDULE_YOURSELF) scheduler_ipi(); - if (action & SMP_CALL_FUNCTION) - smp_call_function_interrupt(); + if (action & SMP_CALL_FUNCTION) { + irq_enter(); + generic_smp_call_function_interrupt(); + irq_exit(); + } } diff --git a/arch/mips/sibyte/common/bus_watcher.c b/arch/mips/sibyte/common/bus_watcher.c index 5581844c9194..41a1d2242211 100644 --- a/arch/mips/sibyte/common/bus_watcher.c +++ b/arch/mips/sibyte/common/bus_watcher.c @@ -81,10 +81,7 @@ void check_bus_watcher(void) { u32 status, l2_err, memio_err; -#ifdef CONFIG_SB1_PASS_1_WORKAROUNDS - /* Destructive read, clears register and interrupt */ - status = csr_in32(IOADDR(A_SCD_BUS_ERR_STATUS)); -#elif defined(CONFIG_SIBYTE_BCM112X) || defined(CONFIG_SIBYTE_SB1250) +#if defined(CONFIG_SIBYTE_BCM112X) || defined(CONFIG_SIBYTE_SB1250) /* Use non-destructive register */ status = csr_in32(IOADDR(A_SCD_BUS_ERR_STATUS_DEBUG)); #elif defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80) diff --git a/arch/mips/sibyte/sb1250/setup.c b/arch/mips/sibyte/sb1250/setup.c index 3c02b2a77ae9..9d3c24efdf4a 100644 --- a/arch/mips/sibyte/sb1250/setup.c +++ b/arch/mips/sibyte/sb1250/setup.c @@ -202,12 +202,10 @@ void __init sb1250_setup(void) switch (war_pass) { case K_SYS_REVISION_BCM1250_PASS1: -#ifndef CONFIG_SB1_PASS_1_WORKAROUNDS printk("@@@@ This is a BCM1250 A0-A2 (Pass 1) board, " "and the kernel doesn't have the proper " "workarounds compiled in. @@@@\n"); bad_config = 1; -#endif break; case K_SYS_REVISION_BCM1250_PASS2: /* Pass 2 - easiest as default for now - so many numbers */ diff --git a/arch/mips/sibyte/sb1250/smp.c b/arch/mips/sibyte/sb1250/smp.c index c0c4b3f88a08..1cf66f5ff23d 100644 --- a/arch/mips/sibyte/sb1250/smp.c +++ b/arch/mips/sibyte/sb1250/smp.c @@ -172,6 +172,9 @@ void sb1250_mailbox_interrupt(void) if (action & SMP_RESCHEDULE_YOURSELF) scheduler_ipi(); - if (action & SMP_CALL_FUNCTION) - smp_call_function_interrupt(); + if (action & SMP_CALL_FUNCTION) { + irq_enter(); + generic_smp_call_function_interrupt(); + irq_exit(); + } } diff --git a/arch/mn10300/include/asm/Kbuild b/arch/mn10300/include/asm/Kbuild index de30b0c88796..6edb9ee6128e 100644 --- a/arch/mn10300/include/asm/Kbuild +++ b/arch/mn10300/include/asm/Kbuild @@ -5,6 +5,7 @@ generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += sections.h generic-y += trace_clock.h diff --git a/arch/mn10300/include/asm/mm-arch-hooks.h b/arch/mn10300/include/asm/mm-arch-hooks.h deleted file mode 100644 index e2029a652f4c..000000000000 --- a/arch/mn10300/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_MN10300_MM_ARCH_HOOKS_H -#define _ASM_MN10300_MM_ARCH_HOOKS_H - -#endif /* _ASM_MN10300_MM_ARCH_HOOKS_H */ diff --git a/arch/nios2/include/asm/Kbuild b/arch/nios2/include/asm/Kbuild index 434639d510b3..914864eb5a25 100644 --- a/arch/nios2/include/asm/Kbuild +++ b/arch/nios2/include/asm/Kbuild @@ -30,6 +30,7 @@ generic-y += kmap_types.h generic-y += kvm_para.h generic-y += local.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += module.h generic-y += msgbuf.h diff --git a/arch/nios2/include/asm/mm-arch-hooks.h b/arch/nios2/include/asm/mm-arch-hooks.h deleted file mode 100644 index d7290dc68558..000000000000 --- a/arch/nios2/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_NIOS2_MM_ARCH_HOOKS_H -#define _ASM_NIOS2_MM_ARCH_HOOKS_H - -#endif /* _ASM_NIOS2_MM_ARCH_HOOKS_H */ diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig index e5a693b16da2..443f44de1020 100644 --- a/arch/openrisc/Kconfig +++ b/arch/openrisc/Kconfig @@ -17,6 +17,7 @@ config OPENRISC select GENERIC_IRQ_SHOW select GENERIC_IOMAP select GENERIC_CPU_DEVICES + select HAVE_UID16 select GENERIC_ATOMIC64 select GENERIC_CLOCKEVENTS select GENERIC_STRNCPY_FROM_USER @@ -31,9 +32,6 @@ config MMU config HAVE_DMA_ATTRS def_bool y -config UID16 - def_bool y - config RWSEM_GENERIC_SPINLOCK def_bool y diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild index 2a2e39b8109a..2832f031fb11 100644 --- a/arch/openrisc/include/asm/Kbuild +++ b/arch/openrisc/include/asm/Kbuild @@ -36,6 +36,7 @@ generic-y += kmap_types.h generic-y += kvm_para.h generic-y += local.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += module.h generic-y += msgbuf.h diff --git a/arch/openrisc/include/asm/mm-arch-hooks.h b/arch/openrisc/include/asm/mm-arch-hooks.h deleted file mode 100644 index 6d33cb555fe1..000000000000 --- a/arch/openrisc/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_OPENRISC_MM_ARCH_HOOKS_H -#define _ASM_OPENRISC_MM_ARCH_HOOKS_H - -#endif /* _ASM_OPENRISC_MM_ARCH_HOOKS_H */ diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild index 12b341d04f88..f9b3a81aefcd 100644 --- a/arch/parisc/include/asm/Kbuild +++ b/arch/parisc/include/asm/Kbuild @@ -15,6 +15,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mutex.h generic-y += param.h generic-y += percpu.h diff --git a/arch/parisc/include/asm/mm-arch-hooks.h b/arch/parisc/include/asm/mm-arch-hooks.h deleted file mode 100644 index 654ec63b0ee9..000000000000 --- a/arch/parisc/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_PARISC_MM_ARCH_HOOKS_H -#define _ASM_PARISC_MM_ARCH_HOOKS_H - -#endif /* _ASM_PARISC_MM_ARCH_HOOKS_H */ diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h index 3a08eae3318f..3edbb9fc91b4 100644 --- a/arch/parisc/include/asm/pgalloc.h +++ b/arch/parisc/include/asm/pgalloc.h @@ -72,7 +72,7 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) { - if(pmd_flag(*pmd) & PxD_FLAG_ATTACHED) + if (pmd_flag(*pmd) & PxD_FLAG_ATTACHED) { /* * This is the permanent pmd attached to the pgd; * cannot free it. @@ -81,6 +81,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) */ mm_inc_nr_pmds(mm); return; + } free_pages((unsigned long)pmd, PMD_ORDER); } diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h index 0a183756d6ec..f93c4a4e6580 100644 --- a/arch/parisc/include/asm/pgtable.h +++ b/arch/parisc/include/asm/pgtable.h @@ -16,7 +16,7 @@ #include <asm/processor.h> #include <asm/cache.h> -extern spinlock_t pa_dbit_lock; +extern spinlock_t pa_tlb_lock; /* * kern_addr_valid(ADDR) tests if ADDR is pointing to valid kernel @@ -33,6 +33,19 @@ extern spinlock_t pa_dbit_lock; */ #define kern_addr_valid(addr) (1) +/* Purge data and instruction TLB entries. Must be called holding + * the pa_tlb_lock. The TLB purge instructions are slow on SMP + * machines since the purge must be broadcast to all CPUs. + */ + +static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr) +{ + mtsp(mm->context, 1); + pdtlb(addr); + if (unlikely(split_tlb)) + pitlb(addr); +} + /* Certain architectures need to do special things when PTEs * within a page table are directly modified. Thus, the following * hook is made available. @@ -42,15 +55,20 @@ extern spinlock_t pa_dbit_lock; *(pteptr) = (pteval); \ } while(0) -extern void purge_tlb_entries(struct mm_struct *, unsigned long); +#define pte_inserted(x) \ + ((pte_val(x) & (_PAGE_PRESENT|_PAGE_ACCESSED)) \ + == (_PAGE_PRESENT|_PAGE_ACCESSED)) -#define set_pte_at(mm, addr, ptep, pteval) \ - do { \ +#define set_pte_at(mm, addr, ptep, pteval) \ + do { \ + pte_t old_pte; \ unsigned long flags; \ - spin_lock_irqsave(&pa_dbit_lock, flags); \ - set_pte(ptep, pteval); \ - purge_tlb_entries(mm, addr); \ - spin_unlock_irqrestore(&pa_dbit_lock, flags); \ + spin_lock_irqsave(&pa_tlb_lock, flags); \ + old_pte = *ptep; \ + set_pte(ptep, pteval); \ + if (pte_inserted(old_pte)) \ + purge_tlb_entries(mm, addr); \ + spin_unlock_irqrestore(&pa_tlb_lock, flags); \ } while (0) #endif /* !__ASSEMBLY__ */ @@ -268,7 +286,7 @@ extern unsigned long *empty_zero_page; #define pte_none(x) (pte_val(x) == 0) #define pte_present(x) (pte_val(x) & _PAGE_PRESENT) -#define pte_clear(mm,addr,xp) do { pte_val(*(xp)) = 0; } while (0) +#define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0)) #define pmd_flag(x) (pmd_val(x) & PxD_FLAG_MASK) #define pmd_address(x) ((unsigned long)(pmd_val(x) &~ PxD_FLAG_MASK) << PxD_VALUE_SHIFT) @@ -435,15 +453,15 @@ static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned if (!pte_young(*ptep)) return 0; - spin_lock_irqsave(&pa_dbit_lock, flags); + spin_lock_irqsave(&pa_tlb_lock, flags); pte = *ptep; if (!pte_young(pte)) { - spin_unlock_irqrestore(&pa_dbit_lock, flags); + spin_unlock_irqrestore(&pa_tlb_lock, flags); return 0; } set_pte(ptep, pte_mkold(pte)); purge_tlb_entries(vma->vm_mm, addr); - spin_unlock_irqrestore(&pa_dbit_lock, flags); + spin_unlock_irqrestore(&pa_tlb_lock, flags); return 1; } @@ -453,11 +471,12 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t old_pte; unsigned long flags; - spin_lock_irqsave(&pa_dbit_lock, flags); + spin_lock_irqsave(&pa_tlb_lock, flags); old_pte = *ptep; - pte_clear(mm,addr,ptep); - purge_tlb_entries(mm, addr); - spin_unlock_irqrestore(&pa_dbit_lock, flags); + set_pte(ptep, __pte(0)); + if (pte_inserted(old_pte)) + purge_tlb_entries(mm, addr); + spin_unlock_irqrestore(&pa_tlb_lock, flags); return old_pte; } @@ -465,10 +484,10 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { unsigned long flags; - spin_lock_irqsave(&pa_dbit_lock, flags); + spin_lock_irqsave(&pa_tlb_lock, flags); set_pte(ptep, pte_wrprotect(*ptep)); purge_tlb_entries(mm, addr); - spin_unlock_irqrestore(&pa_dbit_lock, flags); + spin_unlock_irqrestore(&pa_tlb_lock, flags); } #define pte_same(A,B) (pte_val(A) == pte_val(B)) diff --git a/arch/parisc/include/asm/tlbflush.h b/arch/parisc/include/asm/tlbflush.h index 9d086a599fa0..e84b96478193 100644 --- a/arch/parisc/include/asm/tlbflush.h +++ b/arch/parisc/include/asm/tlbflush.h @@ -13,6 +13,9 @@ * active at any one time on the Merced bus. This tlb purge * synchronisation is fairly lightweight and harmless so we activate * it on all systems not just the N class. + + * It is also used to ensure PTE updates are atomic and consistent + * with the TLB. */ extern spinlock_t pa_tlb_lock; @@ -24,20 +27,24 @@ extern void flush_tlb_all_local(void *); #define smp_flush_tlb_all() flush_tlb_all() +int __flush_tlb_range(unsigned long sid, + unsigned long start, unsigned long end); + +#define flush_tlb_range(vma, start, end) \ + __flush_tlb_range((vma)->vm_mm->context, start, end) + +#define flush_tlb_kernel_range(start, end) \ + __flush_tlb_range(0, start, end) + /* * flush_tlb_mm() * - * XXX This code is NOT valid for HP-UX compatibility processes, - * (although it will probably work 99% of the time). HP-UX - * processes are free to play with the space id's and save them - * over long periods of time, etc. so we have to preserve the - * space and just flush the entire tlb. We need to check the - * personality in order to do that, but the personality is not - * currently being set correctly. - * - * Of course, Linux processes could do the same thing, but - * we don't support that (and the compilers, dynamic linker, - * etc. do not do that). + * The code to switch to a new context is NOT valid for processes + * which play with the space id's. Thus, we have to preserve the + * space and just flush the entire tlb. However, the compilers, + * dynamic linker, etc, do not manipulate space id's, so there + * could be a significant performance benefit in switching contexts + * and not flushing the whole tlb. */ static inline void flush_tlb_mm(struct mm_struct *mm) @@ -45,10 +52,18 @@ static inline void flush_tlb_mm(struct mm_struct *mm) BUG_ON(mm == &init_mm); /* Should never happen */ #if 1 || defined(CONFIG_SMP) + /* Except for very small threads, flushing the whole TLB is + * faster than using __flush_tlb_range. The pdtlb and pitlb + * instructions are very slow because of the TLB broadcast. + * It might be faster to do local range flushes on all CPUs + * on PA 2.0 systems. + */ flush_tlb_all(); #else /* FIXME: currently broken, causing space id and protection ids - * to go out of sync, resulting in faults on userspace accesses. + * to go out of sync, resulting in faults on userspace accesses. + * This approach needs further investigation since running many + * small applications (e.g., GCC testsuite) is faster on HP-UX. */ if (mm) { if (mm->context != 0) @@ -65,22 +80,12 @@ static inline void flush_tlb_page(struct vm_area_struct *vma, { unsigned long flags, sid; - /* For one page, it's not worth testing the split_tlb variable */ - - mb(); sid = vma->vm_mm->context; purge_tlb_start(flags); mtsp(sid, 1); pdtlb(addr); - pitlb(addr); + if (unlikely(split_tlb)) + pitlb(addr); purge_tlb_end(flags); } - -void __flush_tlb_range(unsigned long sid, - unsigned long start, unsigned long end); - -#define flush_tlb_range(vma,start,end) __flush_tlb_range((vma)->vm_mm->context,start,end) - -#define flush_tlb_kernel_range(start, end) __flush_tlb_range(0,start,end) - #endif diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index f6448c7c62b5..cda6dbbe9842 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -342,12 +342,15 @@ EXPORT_SYMBOL(flush_data_cache_local); EXPORT_SYMBOL(flush_kernel_icache_range_asm); #define FLUSH_THRESHOLD 0x80000 /* 0.5MB */ -int parisc_cache_flush_threshold __read_mostly = FLUSH_THRESHOLD; +static unsigned long parisc_cache_flush_threshold __read_mostly = FLUSH_THRESHOLD; + +#define FLUSH_TLB_THRESHOLD (2*1024*1024) /* 2MB initial TLB threshold */ +static unsigned long parisc_tlb_flush_threshold __read_mostly = FLUSH_TLB_THRESHOLD; void __init parisc_setup_cache_timing(void) { unsigned long rangetime, alltime; - unsigned long size; + unsigned long size, start; alltime = mfctl(16); flush_data_cache(); @@ -364,14 +367,43 @@ void __init parisc_setup_cache_timing(void) /* Racy, but if we see an intermediate value, it's ok too... */ parisc_cache_flush_threshold = size * alltime / rangetime; - parisc_cache_flush_threshold = (parisc_cache_flush_threshold + L1_CACHE_BYTES - 1) &~ (L1_CACHE_BYTES - 1); + parisc_cache_flush_threshold = L1_CACHE_ALIGN(parisc_cache_flush_threshold); if (!parisc_cache_flush_threshold) parisc_cache_flush_threshold = FLUSH_THRESHOLD; if (parisc_cache_flush_threshold > cache_info.dc_size) parisc_cache_flush_threshold = cache_info.dc_size; - printk(KERN_INFO "Setting cache flush threshold to %x (%d CPUs online)\n", parisc_cache_flush_threshold, num_online_cpus()); + printk(KERN_INFO "Setting cache flush threshold to %lu kB\n", + parisc_cache_flush_threshold/1024); + + /* calculate TLB flush threshold */ + + alltime = mfctl(16); + flush_tlb_all(); + alltime = mfctl(16) - alltime; + + size = PAGE_SIZE; + start = (unsigned long) _text; + rangetime = mfctl(16); + while (start < (unsigned long) _end) { + flush_tlb_kernel_range(start, start + PAGE_SIZE); + start += PAGE_SIZE; + size += PAGE_SIZE; + } + rangetime = mfctl(16) - rangetime; + + printk(KERN_DEBUG "Whole TLB flush %lu cycles, flushing %lu bytes %lu cycles\n", + alltime, size, rangetime); + + parisc_tlb_flush_threshold = size * alltime / rangetime; + parisc_tlb_flush_threshold *= num_online_cpus(); + parisc_tlb_flush_threshold = PAGE_ALIGN(parisc_tlb_flush_threshold); + if (!parisc_tlb_flush_threshold) + parisc_tlb_flush_threshold = FLUSH_TLB_THRESHOLD; + + printk(KERN_INFO "Setting TLB flush threshold to %lu kB\n", + parisc_tlb_flush_threshold/1024); } extern void purge_kernel_dcache_page_asm(unsigned long); @@ -403,48 +435,45 @@ void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, } EXPORT_SYMBOL(copy_user_page); -void purge_tlb_entries(struct mm_struct *mm, unsigned long addr) -{ - unsigned long flags; - - /* Note: purge_tlb_entries can be called at startup with - no context. */ - - purge_tlb_start(flags); - mtsp(mm->context, 1); - pdtlb(addr); - pitlb(addr); - purge_tlb_end(flags); -} -EXPORT_SYMBOL(purge_tlb_entries); - -void __flush_tlb_range(unsigned long sid, unsigned long start, - unsigned long end) +/* __flush_tlb_range() + * + * returns 1 if all TLBs were flushed. + */ +int __flush_tlb_range(unsigned long sid, unsigned long start, + unsigned long end) { - unsigned long npages; + unsigned long flags, size; - npages = ((end - (start & PAGE_MASK)) + (PAGE_SIZE - 1)) >> PAGE_SHIFT; - if (npages >= 512) /* 2MB of space: arbitrary, should be tuned */ + size = (end - start); + if (size >= parisc_tlb_flush_threshold) { flush_tlb_all(); - else { - unsigned long flags; + return 1; + } + /* Purge TLB entries for small ranges using the pdtlb and + pitlb instructions. These instructions execute locally + but cause a purge request to be broadcast to other TLBs. */ + if (likely(!split_tlb)) { + while (start < end) { + purge_tlb_start(flags); + mtsp(sid, 1); + pdtlb(start); + purge_tlb_end(flags); + start += PAGE_SIZE; + } + return 0; + } + + /* split TLB case */ + while (start < end) { purge_tlb_start(flags); mtsp(sid, 1); - if (split_tlb) { - while (npages--) { - pdtlb(start); - pitlb(start); - start += PAGE_SIZE; - } - } else { - while (npages--) { - pdtlb(start); - start += PAGE_SIZE; - } - } + pdtlb(start); + pitlb(start); purge_tlb_end(flags); + start += PAGE_SIZE; } + return 0; } static void cacheflush_h_tmp_function(void *dummy) diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index 75819617f93b..c5ef4081b01d 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -45,7 +45,7 @@ .level 2.0 #endif - .import pa_dbit_lock,data + .import pa_tlb_lock,data /* space_to_prot macro creates a prot id from a space id */ @@ -420,8 +420,8 @@ SHLREG %r9,PxD_VALUE_SHIFT,\pmd extru \va,31-PAGE_SHIFT,ASM_BITS_PER_PTE,\index dep %r0,31,PAGE_SHIFT,\pmd /* clear offset */ - shladd \index,BITS_PER_PTE_ENTRY,\pmd,\pmd - LDREG %r0(\pmd),\pte /* pmd is now pte */ + shladd \index,BITS_PER_PTE_ENTRY,\pmd,\pmd /* pmd is now pte */ + LDREG %r0(\pmd),\pte bb,>=,n \pte,_PAGE_PRESENT_BIT,\fault .endm @@ -453,57 +453,53 @@ L2_ptep \pgd,\pte,\index,\va,\fault .endm - /* Acquire pa_dbit_lock lock. */ - .macro dbit_lock spc,tmp,tmp1 + /* Acquire pa_tlb_lock lock and recheck page is still present. */ + .macro tlb_lock spc,ptp,pte,tmp,tmp1,fault #ifdef CONFIG_SMP cmpib,COND(=),n 0,\spc,2f - load32 PA(pa_dbit_lock),\tmp + load32 PA(pa_tlb_lock),\tmp 1: LDCW 0(\tmp),\tmp1 cmpib,COND(=) 0,\tmp1,1b nop + LDREG 0(\ptp),\pte + bb,<,n \pte,_PAGE_PRESENT_BIT,2f + b \fault + stw \spc,0(\tmp) 2: #endif .endm - /* Release pa_dbit_lock lock without reloading lock address. */ - .macro dbit_unlock0 spc,tmp + /* Release pa_tlb_lock lock without reloading lock address. */ + .macro tlb_unlock0 spc,tmp #ifdef CONFIG_SMP or,COND(=) %r0,\spc,%r0 stw \spc,0(\tmp) #endif .endm - /* Release pa_dbit_lock lock. */ - .macro dbit_unlock1 spc,tmp + /* Release pa_tlb_lock lock. */ + .macro tlb_unlock1 spc,tmp #ifdef CONFIG_SMP - load32 PA(pa_dbit_lock),\tmp - dbit_unlock0 \spc,\tmp + load32 PA(pa_tlb_lock),\tmp + tlb_unlock0 \spc,\tmp #endif .endm /* Set the _PAGE_ACCESSED bit of the PTE. Be clever and * don't needlessly dirty the cache line if it was already set */ - .macro update_ptep spc,ptep,pte,tmp,tmp1 -#ifdef CONFIG_SMP - or,COND(=) %r0,\spc,%r0 - LDREG 0(\ptep),\pte -#endif + .macro update_accessed ptp,pte,tmp,tmp1 ldi _PAGE_ACCESSED,\tmp1 or \tmp1,\pte,\tmp and,COND(<>) \tmp1,\pte,%r0 - STREG \tmp,0(\ptep) + STREG \tmp,0(\ptp) .endm /* Set the dirty bit (and accessed bit). No need to be * clever, this is only used from the dirty fault */ - .macro update_dirty spc,ptep,pte,tmp -#ifdef CONFIG_SMP - or,COND(=) %r0,\spc,%r0 - LDREG 0(\ptep),\pte -#endif + .macro update_dirty ptp,pte,tmp ldi _PAGE_ACCESSED|_PAGE_DIRTY,\tmp or \tmp,\pte,\pte - STREG \pte,0(\ptep) + STREG \pte,0(\ptp) .endm /* bitshift difference between a PFN (based on kernel's PAGE_SIZE) @@ -1148,14 +1144,14 @@ dtlb_miss_20w: L3_ptep ptp,pte,t0,va,dtlb_check_alias_20w - dbit_lock spc,t0,t1 - update_ptep spc,ptp,pte,t0,t1 + tlb_lock spc,ptp,pte,t0,t1,dtlb_check_alias_20w + update_accessed ptp,pte,t0,t1 make_insert_tlb spc,pte,prot idtlbt pte,prot - dbit_unlock1 spc,t0 + tlb_unlock1 spc,t0 rfir nop @@ -1174,14 +1170,14 @@ nadtlb_miss_20w: L3_ptep ptp,pte,t0,va,nadtlb_check_alias_20w - dbit_lock spc,t0,t1 - update_ptep spc,ptp,pte,t0,t1 + tlb_lock spc,ptp,pte,t0,t1,nadtlb_check_alias_20w + update_accessed ptp,pte,t0,t1 make_insert_tlb spc,pte,prot idtlbt pte,prot - dbit_unlock1 spc,t0 + tlb_unlock1 spc,t0 rfir nop @@ -1202,20 +1198,20 @@ dtlb_miss_11: L2_ptep ptp,pte,t0,va,dtlb_check_alias_11 - dbit_lock spc,t0,t1 - update_ptep spc,ptp,pte,t0,t1 + tlb_lock spc,ptp,pte,t0,t1,dtlb_check_alias_11 + update_accessed ptp,pte,t0,t1 make_insert_tlb_11 spc,pte,prot - mfsp %sr1,t0 /* Save sr1 so we can use it in tlb inserts */ + mfsp %sr1,t1 /* Save sr1 so we can use it in tlb inserts */ mtsp spc,%sr1 idtlba pte,(%sr1,va) idtlbp prot,(%sr1,va) - mtsp t0, %sr1 /* Restore sr1 */ - dbit_unlock1 spc,t0 + mtsp t1, %sr1 /* Restore sr1 */ + tlb_unlock1 spc,t0 rfir nop @@ -1235,21 +1231,20 @@ nadtlb_miss_11: L2_ptep ptp,pte,t0,va,nadtlb_check_alias_11 - dbit_lock spc,t0,t1 - update_ptep spc,ptp,pte,t0,t1 + tlb_lock spc,ptp,pte,t0,t1,nadtlb_check_alias_11 + update_accessed ptp,pte,t0,t1 make_insert_tlb_11 spc,pte,prot - - mfsp %sr1,t0 /* Save sr1 so we can use it in tlb inserts */ + mfsp %sr1,t1 /* Save sr1 so we can use it in tlb inserts */ mtsp spc,%sr1 idtlba pte,(%sr1,va) idtlbp prot,(%sr1,va) - mtsp t0, %sr1 /* Restore sr1 */ - dbit_unlock1 spc,t0 + mtsp t1, %sr1 /* Restore sr1 */ + tlb_unlock1 spc,t0 rfir nop @@ -1269,16 +1264,16 @@ dtlb_miss_20: L2_ptep ptp,pte,t0,va,dtlb_check_alias_20 - dbit_lock spc,t0,t1 - update_ptep spc,ptp,pte,t0,t1 + tlb_lock spc,ptp,pte,t0,t1,dtlb_check_alias_20 + update_accessed ptp,pte,t0,t1 make_insert_tlb spc,pte,prot - f_extend pte,t0 + f_extend pte,t1 idtlbt pte,prot - dbit_unlock1 spc,t0 + tlb_unlock1 spc,t0 rfir nop @@ -1297,16 +1292,16 @@ nadtlb_miss_20: L2_ptep ptp,pte,t0,va,nadtlb_check_alias_20 - dbit_lock spc,t0,t1 - update_ptep spc,ptp,pte,t0,t1 + tlb_lock spc,ptp,pte,t0,t1,nadtlb_check_alias_20 + update_accessed ptp,pte,t0,t1 make_insert_tlb spc,pte,prot - f_extend pte,t0 + f_extend pte,t1 - idtlbt pte,prot - dbit_unlock1 spc,t0 + idtlbt pte,prot + tlb_unlock1 spc,t0 rfir nop @@ -1406,14 +1401,14 @@ itlb_miss_20w: L3_ptep ptp,pte,t0,va,itlb_fault - dbit_lock spc,t0,t1 - update_ptep spc,ptp,pte,t0,t1 + tlb_lock spc,ptp,pte,t0,t1,itlb_fault + update_accessed ptp,pte,t0,t1 make_insert_tlb spc,pte,prot iitlbt pte,prot - dbit_unlock1 spc,t0 + tlb_unlock1 spc,t0 rfir nop @@ -1430,14 +1425,14 @@ naitlb_miss_20w: L3_ptep ptp,pte,t0,va,naitlb_check_alias_20w - dbit_lock spc,t0,t1 - update_ptep spc,ptp,pte,t0,t1 + tlb_lock spc,ptp,pte,t0,t1,naitlb_check_alias_20w + update_accessed ptp,pte,t0,t1 make_insert_tlb spc,pte,prot iitlbt pte,prot - dbit_unlock1 spc,t0 + tlb_unlock1 spc,t0 rfir nop @@ -1458,20 +1453,20 @@ itlb_miss_11: L2_ptep ptp,pte,t0,va,itlb_fault - dbit_lock spc,t0,t1 - update_ptep spc,ptp,pte,t0,t1 + tlb_lock spc,ptp,pte,t0,t1,itlb_fault + update_accessed ptp,pte,t0,t1 make_insert_tlb_11 spc,pte,prot - mfsp %sr1,t0 /* Save sr1 so we can use it in tlb inserts */ + mfsp %sr1,t1 /* Save sr1 so we can use it in tlb inserts */ mtsp spc,%sr1 iitlba pte,(%sr1,va) iitlbp prot,(%sr1,va) - mtsp t0, %sr1 /* Restore sr1 */ - dbit_unlock1 spc,t0 + mtsp t1, %sr1 /* Restore sr1 */ + tlb_unlock1 spc,t0 rfir nop @@ -1482,20 +1477,20 @@ naitlb_miss_11: L2_ptep ptp,pte,t0,va,naitlb_check_alias_11 - dbit_lock spc,t0,t1 - update_ptep spc,ptp,pte,t0,t1 + tlb_lock spc,ptp,pte,t0,t1,naitlb_check_alias_11 + update_accessed ptp,pte,t0,t1 make_insert_tlb_11 spc,pte,prot - mfsp %sr1,t0 /* Save sr1 so we can use it in tlb inserts */ + mfsp %sr1,t1 /* Save sr1 so we can use it in tlb inserts */ mtsp spc,%sr1 iitlba pte,(%sr1,va) iitlbp prot,(%sr1,va) - mtsp t0, %sr1 /* Restore sr1 */ - dbit_unlock1 spc,t0 + mtsp t1, %sr1 /* Restore sr1 */ + tlb_unlock1 spc,t0 rfir nop @@ -1516,16 +1511,16 @@ itlb_miss_20: L2_ptep ptp,pte,t0,va,itlb_fault - dbit_lock spc,t0,t1 - update_ptep spc,ptp,pte,t0,t1 + tlb_lock spc,ptp,pte,t0,t1,itlb_fault + update_accessed ptp,pte,t0,t1 make_insert_tlb spc,pte,prot - f_extend pte,t0 + f_extend pte,t1 iitlbt pte,prot - dbit_unlock1 spc,t0 + tlb_unlock1 spc,t0 rfir nop @@ -1536,16 +1531,16 @@ naitlb_miss_20: L2_ptep ptp,pte,t0,va,naitlb_check_alias_20 - dbit_lock spc,t0,t1 - update_ptep spc,ptp,pte,t0,t1 + tlb_lock spc,ptp,pte,t0,t1,naitlb_check_alias_20 + update_accessed ptp,pte,t0,t1 make_insert_tlb spc,pte,prot - f_extend pte,t0 + f_extend pte,t1 iitlbt pte,prot - dbit_unlock1 spc,t0 + tlb_unlock1 spc,t0 rfir nop @@ -1568,14 +1563,14 @@ dbit_trap_20w: L3_ptep ptp,pte,t0,va,dbit_fault - dbit_lock spc,t0,t1 - update_dirty spc,ptp,pte,t1 + tlb_lock spc,ptp,pte,t0,t1,dbit_fault + update_dirty ptp,pte,t1 make_insert_tlb spc,pte,prot idtlbt pte,prot - dbit_unlock0 spc,t0 + tlb_unlock0 spc,t0 rfir nop #else @@ -1588,8 +1583,8 @@ dbit_trap_11: L2_ptep ptp,pte,t0,va,dbit_fault - dbit_lock spc,t0,t1 - update_dirty spc,ptp,pte,t1 + tlb_lock spc,ptp,pte,t0,t1,dbit_fault + update_dirty ptp,pte,t1 make_insert_tlb_11 spc,pte,prot @@ -1600,8 +1595,8 @@ dbit_trap_11: idtlbp prot,(%sr1,va) mtsp t1, %sr1 /* Restore sr1 */ - dbit_unlock0 spc,t0 + tlb_unlock0 spc,t0 rfir nop @@ -1612,16 +1607,16 @@ dbit_trap_20: L2_ptep ptp,pte,t0,va,dbit_fault - dbit_lock spc,t0,t1 - update_dirty spc,ptp,pte,t1 + tlb_lock spc,ptp,pte,t0,t1,dbit_fault + update_dirty ptp,pte,t1 make_insert_tlb spc,pte,prot f_extend pte,t1 - idtlbt pte,prot - dbit_unlock0 spc,t0 + idtlbt pte,prot + tlb_unlock0 spc,t0 rfir nop #endif diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index 6548fd1d2e62..b99b39f1da02 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -43,10 +43,6 @@ #include "../math-emu/math-emu.h" /* for handle_fpe() */ -#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) -DEFINE_SPINLOCK(pa_dbit_lock); -#endif - static void parisc_show_stack(struct task_struct *task, unsigned long *sp, struct pt_regs *regs); diff --git a/arch/powerpc/kernel/idle_power7.S b/arch/powerpc/kernel/idle_power7.S index ccde8f084ce4..112ccf497562 100644 --- a/arch/powerpc/kernel/idle_power7.S +++ b/arch/powerpc/kernel/idle_power7.S @@ -52,6 +52,22 @@ .text /* + * Used by threads when the lock bit of core_idle_state is set. + * Threads will spin in HMT_LOW until the lock bit is cleared. + * r14 - pointer to core_idle_state + * r15 - used to load contents of core_idle_state + */ + +core_idle_lock_held: + HMT_LOW +3: lwz r15,0(r14) + andi. r15,r15,PNV_CORE_IDLE_LOCK_BIT + bne 3b + HMT_MEDIUM + lwarx r15,0,r14 + blr + +/* * Pass requested state in r3: * r3 - PNV_THREAD_NAP/SLEEP/WINKLE * @@ -150,6 +166,10 @@ power7_enter_nap_mode: ld r14,PACA_CORE_IDLE_STATE_PTR(r13) lwarx_loop1: lwarx r15,0,r14 + + andi. r9,r15,PNV_CORE_IDLE_LOCK_BIT + bnel core_idle_lock_held + andc r15,r15,r7 /* Clear thread bit */ andi. r15,r15,PNV_CORE_IDLE_THREAD_BITS @@ -294,7 +314,7 @@ lwarx_loop2: * workaround undo code or resyncing timebase or restoring context * In either case loop until the lock bit is cleared. */ - bne core_idle_lock_held + bnel core_idle_lock_held cmpwi cr2,r15,0 lbz r4,PACA_SUBCORE_SIBLING_MASK(r13) @@ -319,15 +339,6 @@ lwarx_loop2: isync b common_exit -core_idle_lock_held: - HMT_LOW -core_idle_lock_loop: - lwz r15,0(14) - andi. r9,r15,PNV_CORE_IDLE_LOCK_BIT - bne core_idle_lock_loop - HMT_MEDIUM - b lwarx_loop2 - first_thread_in_subcore: /* First thread in subcore to wakeup */ ori r15,r15,PNV_CORE_IDLE_LOCK_BIT diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index d3a831ac0f92..da50e0c9c57e 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -966,8 +966,6 @@ int copy_siginfo_to_user32(struct compat_siginfo __user *d, const siginfo_t *s) int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from) { - memset(to, 0, sizeof *to); - if (copy_from_user(to, from, 3*sizeof(int)) || copy_from_user(to->_sifields._pad, from->_sifields._pad, SI_PAD_SIZE32)) diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 6530f1b8874d..37de90f8a845 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -297,6 +297,8 @@ long machine_check_early(struct pt_regs *regs) __this_cpu_inc(irq_stat.mce_exceptions); + add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE); + if (cur_cpu_spec && cur_cpu_spec->machine_check_early) handled = cur_cpu_spec->machine_check_early(regs); return handled; diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 6d535973b200..a67c6d781c52 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -529,6 +529,10 @@ void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig) printk(KERN_ALERT "Unable to handle kernel paging request for " "instruction fetch\n"); break; + case 0x600: + printk(KERN_ALERT "Unable to handle kernel paging request for " + "unaligned access at address 0x%08lx\n", regs->dar); + break; default: printk(KERN_ALERT "Unable to handle kernel paging request for " "unknown fault\n"); diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index ec2eb20631d1..df956295c2a7 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -320,6 +320,8 @@ static struct attribute *device_str_attr_create_(char *name, char *str) if (!attr) return NULL; + sysfs_attr_init(&attr->attr.attr); + attr->var = str; attr->attr.attr.name = name; attr->attr.attr.mode = 0444; diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c index 5cf5e6ea213b..7cf0df859d05 100644 --- a/arch/powerpc/platforms/powernv/eeh-powernv.c +++ b/arch/powerpc/platforms/powernv/eeh-powernv.c @@ -1478,7 +1478,7 @@ static int pnv_eeh_next_error(struct eeh_pe **pe) } /* Unmask the event */ - if (eeh_enabled()) + if (ret == EEH_NEXT_ERR_NONE && eeh_enabled()) enable_irq(eeh_event_irq); return ret; diff --git a/arch/powerpc/platforms/powernv/opal-elog.c b/arch/powerpc/platforms/powernv/opal-elog.c index 4949ef0d9400..37f959bf392e 100644 --- a/arch/powerpc/platforms/powernv/opal-elog.c +++ b/arch/powerpc/platforms/powernv/opal-elog.c @@ -237,7 +237,7 @@ static struct elog_obj *create_elog_obj(uint64_t id, size_t size, uint64_t type) return elog; } -static void elog_work_fn(struct work_struct *work) +static irqreturn_t elog_event(int irq, void *data) { __be64 size; __be64 id; @@ -251,7 +251,7 @@ static void elog_work_fn(struct work_struct *work) rc = opal_get_elog_size(&id, &size, &type); if (rc != OPAL_SUCCESS) { pr_err("ELOG: OPAL log info read failed\n"); - return; + return IRQ_HANDLED; } elog_size = be64_to_cpu(size); @@ -270,16 +270,10 @@ static void elog_work_fn(struct work_struct *work) * entries. */ if (kset_find_obj(elog_kset, name)) - return; + return IRQ_HANDLED; create_elog_obj(log_id, elog_size, elog_type); -} - -static DECLARE_WORK(elog_work, elog_work_fn); -static irqreturn_t elog_event(int irq, void *data) -{ - schedule_work(&elog_work); return IRQ_HANDLED; } @@ -304,8 +298,8 @@ int __init opal_elog_init(void) return irq; } - rc = request_irq(irq, elog_event, - IRQ_TYPE_LEVEL_HIGH, "opal-elog", NULL); + rc = request_threaded_irq(irq, NULL, elog_event, + IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "opal-elog", NULL); if (rc) { pr_err("%s: Can't request OPAL event irq (%d)\n", __func__, rc); diff --git a/arch/powerpc/platforms/powernv/opal-prd.c b/arch/powerpc/platforms/powernv/opal-prd.c index 46cb3feb0a13..4ece8e40dd54 100644 --- a/arch/powerpc/platforms/powernv/opal-prd.c +++ b/arch/powerpc/platforms/powernv/opal-prd.c @@ -112,6 +112,7 @@ static int opal_prd_open(struct inode *inode, struct file *file) static int opal_prd_mmap(struct file *file, struct vm_area_struct *vma) { size_t addr, size; + pgprot_t page_prot; int rc; pr_devel("opal_prd_mmap(0x%016lx, 0x%016lx, 0x%lx, 0x%lx)\n", @@ -125,13 +126,11 @@ static int opal_prd_mmap(struct file *file, struct vm_area_struct *vma) if (!opal_prd_range_is_valid(addr, size)) return -EINVAL; - vma->vm_page_prot = __pgprot(pgprot_val(phys_mem_access_prot(file, - vma->vm_pgoff, - size, vma->vm_page_prot)) - | _PAGE_SPECIAL); + page_prot = phys_mem_access_prot(file, vma->vm_pgoff, + size, vma->vm_page_prot); rc = remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, size, - vma->vm_page_prot); + page_prot); return rc; } diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 5738d315248b..85cbc96eff6c 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -2220,7 +2220,7 @@ static void pnv_pci_ioda_setup_opal_tce_kill(struct pnv_phb *phb) static __be64 *pnv_pci_ioda2_table_do_alloc_pages(int nid, unsigned shift, unsigned levels, unsigned long limit, - unsigned long *current_offset) + unsigned long *current_offset, unsigned long *total_allocated) { struct page *tce_mem = NULL; __be64 *addr, *tmp; @@ -2236,6 +2236,7 @@ static __be64 *pnv_pci_ioda2_table_do_alloc_pages(int nid, unsigned shift, } addr = page_address(tce_mem); memset(addr, 0, allocated); + *total_allocated += allocated; --levels; if (!levels) { @@ -2245,7 +2246,7 @@ static __be64 *pnv_pci_ioda2_table_do_alloc_pages(int nid, unsigned shift, for (i = 0; i < entries; ++i) { tmp = pnv_pci_ioda2_table_do_alloc_pages(nid, shift, - levels, limit, current_offset); + levels, limit, current_offset, total_allocated); if (!tmp) break; @@ -2267,7 +2268,7 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset, struct iommu_table *tbl) { void *addr; - unsigned long offset = 0, level_shift; + unsigned long offset = 0, level_shift, total_allocated = 0; const unsigned window_shift = ilog2(window_size); unsigned entries_shift = window_shift - page_shift; unsigned table_shift = max_t(unsigned, entries_shift + 3, PAGE_SHIFT); @@ -2286,7 +2287,7 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset, /* Allocate TCE table */ addr = pnv_pci_ioda2_table_do_alloc_pages(nid, level_shift, - levels, tce_table_size, &offset); + levels, tce_table_size, &offset, &total_allocated); /* addr==NULL means that the first level allocation failed */ if (!addr) @@ -2308,7 +2309,7 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset, page_shift); tbl->it_level_size = 1ULL << (level_shift - 3); tbl->it_indirect_levels = levels - 1; - tbl->it_allocated_size = offset; + tbl->it_allocated_size = total_allocated; pr_devel("Created TCE table: ws=%08llx ts=%lx @%08llx\n", window_size, tce_table_size, bus_offset); diff --git a/arch/powerpc/sysdev/ppc4xx_hsta_msi.c b/arch/powerpc/sysdev/ppc4xx_hsta_msi.c index 2bc33674ebfc..87f9623ca805 100644 --- a/arch/powerpc/sysdev/ppc4xx_hsta_msi.c +++ b/arch/powerpc/sysdev/ppc4xx_hsta_msi.c @@ -18,6 +18,7 @@ #include <linux/pci.h> #include <linux/semaphore.h> #include <asm/msi_bitmap.h> +#include <asm/ppc-pci.h> struct ppc4xx_hsta_msi { struct device *dev; diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild index dc5385ebb071..5ad26dd94d77 100644 --- a/arch/s390/include/asm/Kbuild +++ b/arch/s390/include/asm/Kbuild @@ -3,5 +3,6 @@ generic-y += clkdev.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += trace_clock.h diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h index cfad7fca01d6..d7697ab802f6 100644 --- a/arch/s390/include/asm/ctl_reg.h +++ b/arch/s390/include/asm/ctl_reg.h @@ -57,7 +57,10 @@ union ctlreg0 { unsigned long lap : 1; /* Low-address-protection control */ unsigned long : 4; unsigned long edat : 1; /* Enhanced-DAT-enablement control */ - unsigned long : 23; + unsigned long : 4; + unsigned long afp : 1; /* AFP-register control */ + unsigned long vx : 1; /* Vector enablement control */ + unsigned long : 17; }; }; diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h index 0130d0379edd..d9be7c0c1291 100644 --- a/arch/s390/include/asm/hugetlb.h +++ b/arch/s390/include/asm/hugetlb.h @@ -14,6 +14,7 @@ #define is_hugepage_only_range(mm, addr, len) 0 #define hugetlb_free_pgd_range free_pgd_range +#define hugepages_supported() (MACHINE_HAS_HPAGE) void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte); diff --git a/arch/s390/include/asm/mm-arch-hooks.h b/arch/s390/include/asm/mm-arch-hooks.h deleted file mode 100644 index 07680b2f3c59..000000000000 --- a/arch/s390/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_S390_MM_ARCH_HOOKS_H -#define _ASM_S390_MM_ARCH_HOOKS_H - -#endif /* _ASM_S390_MM_ARCH_HOOKS_H */ diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index dd345238d9a7..53eacbd4f09b 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h @@ -17,10 +17,7 @@ #define PAGE_DEFAULT_ACC 0 #define PAGE_DEFAULT_KEY (PAGE_DEFAULT_ACC << 4) -#include <asm/setup.h> -#ifndef __ASSEMBLY__ - -extern int HPAGE_SHIFT; +#define HPAGE_SHIFT 20 #define HPAGE_SIZE (1UL << HPAGE_SHIFT) #define HPAGE_MASK (~(HPAGE_SIZE - 1)) #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) @@ -30,6 +27,9 @@ extern int HPAGE_SHIFT; #define ARCH_HAS_PREPARE_HUGEPAGE #define ARCH_HAS_HUGEPAGE_CLEAR_FLUSH +#include <asm/setup.h> +#ifndef __ASSEMBLY__ + static inline void storage_key_init_range(unsigned long start, unsigned long end) { #if PAGE_DEFAULT_KEY diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h index 4cb19fe76dd9..f897ec73dc8c 100644 --- a/arch/s390/include/asm/perf_event.h +++ b/arch/s390/include/asm/perf_event.h @@ -87,7 +87,15 @@ struct sf_raw_sample { } __packed; /* Perf hardware reserve and release functions */ +#ifdef CONFIG_PERF_EVENTS int perf_reserve_sampling(void); void perf_release_sampling(void); +#else /* CONFIG_PERF_EVENTS */ +static inline int perf_reserve_sampling(void) +{ + return 0; +} +static inline void perf_release_sampling(void) {} +#endif /* CONFIG_PERF_EVENTS */ #endif /* _ASM_S390_PERF_EVENT_H */ diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index c7d1b9d09011..a2da259d9327 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -23,15 +23,15 @@ int main(void) { - DEFINE(__THREAD_info, offsetof(struct task_struct, stack)); - DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp)); - DEFINE(__THREAD_mm_segment, offsetof(struct task_struct, thread.mm_segment)); - BLANK(); + DEFINE(__TASK_thread_info, offsetof(struct task_struct, stack)); + DEFINE(__TASK_thread, offsetof(struct task_struct, thread)); DEFINE(__TASK_pid, offsetof(struct task_struct, pid)); BLANK(); - DEFINE(__THREAD_per_cause, offsetof(struct task_struct, thread.per_event.cause)); - DEFINE(__THREAD_per_address, offsetof(struct task_struct, thread.per_event.address)); - DEFINE(__THREAD_per_paid, offsetof(struct task_struct, thread.per_event.paid)); + DEFINE(__THREAD_ksp, offsetof(struct thread_struct, ksp)); + DEFINE(__THREAD_per_cause, offsetof(struct thread_struct, per_event.cause)); + DEFINE(__THREAD_per_address, offsetof(struct thread_struct, per_event.address)); + DEFINE(__THREAD_per_paid, offsetof(struct thread_struct, per_event.paid)); + DEFINE(__THREAD_trap_tdb, offsetof(struct thread_struct, trap_tdb)); BLANK(); DEFINE(__TI_task, offsetof(struct thread_info, task)); DEFINE(__TI_flags, offsetof(struct thread_info, flags)); @@ -176,7 +176,6 @@ int main(void) DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data)); DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap)); DEFINE(__LC_PGM_TDB, offsetof(struct _lowcore, pgm_tdb)); - DEFINE(__THREAD_trap_tdb, offsetof(struct task_struct, thread.trap_tdb)); DEFINE(__GMAP_ASCE, offsetof(struct gmap, asce)); DEFINE(__SIE_PROG0C, offsetof(struct kvm_s390_sie_block, prog0c)); DEFINE(__SIE_PROG20, offsetof(struct kvm_s390_sie_block, prog20)); diff --git a/arch/s390/kernel/cache.c b/arch/s390/kernel/cache.c index bff5e3b6d822..8ba32436effe 100644 --- a/arch/s390/kernel/cache.c +++ b/arch/s390/kernel/cache.c @@ -138,6 +138,8 @@ int init_cache_level(unsigned int cpu) union cache_topology ct; enum cache_type ctype; + if (!test_facility(34)) + return -EOPNOTSUPP; if (!this_cpu_ci) return -EINVAL; ct.raw = ecag(EXTRACT_TOPOLOGY, 0, 0); diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 3238893c9d4f..84062e7a77da 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -178,17 +178,21 @@ _PIF_WORK = (_PIF_PER_TRAP) */ ENTRY(__switch_to) stmg %r6,%r15,__SF_GPRS(%r15) # store gprs of prev task - stg %r15,__THREAD_ksp(%r2) # store kernel stack of prev - lg %r4,__THREAD_info(%r2) # get thread_info of prev - lg %r5,__THREAD_info(%r3) # get thread_info of next + lgr %r1,%r2 + aghi %r1,__TASK_thread # thread_struct of prev task + lg %r4,__TASK_thread_info(%r2) # get thread_info of prev + lg %r5,__TASK_thread_info(%r3) # get thread_info of next + stg %r15,__THREAD_ksp(%r1) # store kernel stack of prev + lgr %r1,%r3 + aghi %r1,__TASK_thread # thread_struct of next task lgr %r15,%r5 aghi %r15,STACK_INIT # end of kernel stack of next stg %r3,__LC_CURRENT # store task struct of next stg %r5,__LC_THREAD_INFO # store thread info of next stg %r15,__LC_KERNEL_STACK # store end of kernel stack + lg %r15,__THREAD_ksp(%r1) # load kernel stack of next lctl %c4,%c4,__TASK_pid(%r3) # load pid to control reg. 4 mvc __LC_CURRENT_PID+4(4,%r0),__TASK_pid(%r3) # store pid of next - lg %r15,__THREAD_ksp(%r3) # load kernel stack of next lmg %r6,%r15,__SF_GPRS(%r15) # load gprs of next task br %r14 @@ -417,6 +421,7 @@ ENTRY(pgm_check_handler) LAST_BREAK %r14 lg %r15,__LC_KERNEL_STACK lg %r14,__TI_task(%r12) + aghi %r14,__TASK_thread # pointer to thread_struct lghi %r13,__LC_PGM_TDB tm __LC_PGM_ILC+2,0x02 # check for transaction abort jz 2f diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c index 505c17c0ae1a..56b550893593 100644 --- a/arch/s390/kernel/nmi.c +++ b/arch/s390/kernel/nmi.c @@ -21,6 +21,7 @@ #include <asm/nmi.h> #include <asm/crw.h> #include <asm/switch_to.h> +#include <asm/ctl_reg.h> struct mcck_struct { int kill_task; @@ -129,26 +130,30 @@ static int notrace s390_revalidate_registers(struct mci *mci) } else asm volatile("lfpc 0(%0)" : : "a" (fpt_creg_save_area)); - asm volatile( - " ld 0,0(%0)\n" - " ld 1,8(%0)\n" - " ld 2,16(%0)\n" - " ld 3,24(%0)\n" - " ld 4,32(%0)\n" - " ld 5,40(%0)\n" - " ld 6,48(%0)\n" - " ld 7,56(%0)\n" - " ld 8,64(%0)\n" - " ld 9,72(%0)\n" - " ld 10,80(%0)\n" - " ld 11,88(%0)\n" - " ld 12,96(%0)\n" - " ld 13,104(%0)\n" - " ld 14,112(%0)\n" - " ld 15,120(%0)\n" - : : "a" (fpt_save_area)); - /* Revalidate vector registers */ - if (MACHINE_HAS_VX && current->thread.vxrs) { + if (!MACHINE_HAS_VX) { + /* Revalidate floating point registers */ + asm volatile( + " ld 0,0(%0)\n" + " ld 1,8(%0)\n" + " ld 2,16(%0)\n" + " ld 3,24(%0)\n" + " ld 4,32(%0)\n" + " ld 5,40(%0)\n" + " ld 6,48(%0)\n" + " ld 7,56(%0)\n" + " ld 8,64(%0)\n" + " ld 9,72(%0)\n" + " ld 10,80(%0)\n" + " ld 11,88(%0)\n" + " ld 12,96(%0)\n" + " ld 13,104(%0)\n" + " ld 14,112(%0)\n" + " ld 15,120(%0)\n" + : : "a" (fpt_save_area)); + } else { + /* Revalidate vector registers */ + union ctlreg0 cr0; + if (!mci->vr) { /* * Vector registers can't be restored and therefore @@ -156,8 +161,12 @@ static int notrace s390_revalidate_registers(struct mci *mci) */ kill_task = 1; } + cr0.val = S390_lowcore.cregs_save_area[0]; + cr0.afp = cr0.vx = 1; + __ctl_load(cr0.val, 0, 0); restore_vx_regs((__vector128 *) - S390_lowcore.vector_save_area_addr); + &S390_lowcore.vector_save_area); + __ctl_load(S390_lowcore.cregs_save_area[0], 0, 0); } /* Revalidate access registers */ asm volatile( diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index dc5edc29b73a..8f587d871b9f 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -163,7 +163,7 @@ int copy_thread(unsigned long clone_flags, unsigned long new_stackp, asmlinkage void execve_tail(void) { current->thread.fp_regs.fpc = 0; - asm volatile("sfpc %0,%0" : : "d" (0)); + asm volatile("sfpc %0" : : "d" (0)); } /* diff --git a/arch/s390/kernel/sclp.S b/arch/s390/kernel/sclp.S index 43c3169ea49c..ada0c07fe1a8 100644 --- a/arch/s390/kernel/sclp.S +++ b/arch/s390/kernel/sclp.S @@ -270,6 +270,8 @@ ENTRY(_sclp_print_early) jno .Lesa2 ahi %r15,-80 stmh %r6,%r15,96(%r15) # store upper register halves + basr %r13,0 + lmh %r0,%r15,.Lzeroes-.(%r13) # clear upper register halves .Lesa2: lr %r10,%r2 # save string pointer lhi %r2,0 @@ -291,6 +293,8 @@ ENTRY(_sclp_print_early) .Lesa3: lm %r6,%r15,120(%r15) # restore registers br %r14 +.Lzeroes: + .fill 64,4,0 .LwritedataS4: .long 0x00760005 # SCLP command for write data diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index f7f027caaaaa..ca070d260af2 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -885,8 +885,6 @@ void __init setup_arch(char **cmdline_p) */ setup_hwcaps(); - HPAGE_SHIFT = MACHINE_HAS_HPAGE ? 20 : 0; - /* * Create kernel page tables and switch to virtual addressing. */ diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 4d96c9f53455..7bea81d8a363 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -259,7 +259,7 @@ void vector_exception(struct pt_regs *regs) } /* get vector interrupt code from fpc */ - asm volatile("stfpc %0" : "=m" (current->thread.fp_regs.fpc)); + asm volatile("stfpc %0" : "=Q" (current->thread.fp_regs.fpc)); vic = (current->thread.fp_regs.fpc & 0xf00) >> 8; switch (vic) { case 1: /* invalid vector operation */ @@ -297,7 +297,7 @@ void data_exception(struct pt_regs *regs) location = get_trap_ip(regs); - asm volatile("stfpc %0" : "=m" (current->thread.fp_regs.fpc)); + asm volatile("stfpc %0" : "=Q" (current->thread.fp_regs.fpc)); /* Check for vector register enablement */ if (MACHINE_HAS_VX && !current->thread.vxrs && (current->thread.fp_regs.fpc & FPC_DXC_MASK) == 0xfe00) { diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 2078f92d15ac..f32f843a3631 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1742,10 +1742,10 @@ static bool ibs_enabled(struct kvm_vcpu *vcpu) static int kvm_s390_handle_requests(struct kvm_vcpu *vcpu) { - if (!vcpu->requests) - return 0; retry: kvm_s390_vcpu_request_handled(vcpu); + if (!vcpu->requests) + return 0; /* * We use MMU_RELOAD just to re-arm the ipte notifier for the * guest prefix page. gmap_ipte_notify will wait on the ptl lock. diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 33082d0d101b..b33f66110ca9 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -31,8 +31,6 @@ #define ALLOC_ORDER 2 #define FRAG_MASK 0x03 -int HPAGE_SHIFT; - unsigned long *crst_table_alloc(struct mm_struct *mm) { struct page *page = alloc_pages(GFP_KERNEL, ALLOC_ORDER); diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index fee782acc2ee..8d2e5165865f 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -448,13 +448,13 @@ static void bpf_jit_prologue(struct bpf_jit *jit) EMIT6_DISP_LH(0xe3000000, 0x0004, REG_SKB_DATA, REG_0, BPF_REG_1, offsetof(struct sk_buff, data)); } - /* BPF compatibility: clear A (%b7) and X (%b8) registers */ - if (REG_SEEN(BPF_REG_7)) - /* lghi %b7,0 */ - EMIT4_IMM(0xa7090000, BPF_REG_7, 0); - if (REG_SEEN(BPF_REG_8)) - /* lghi %b8,0 */ - EMIT4_IMM(0xa7090000, BPF_REG_8, 0); + /* BPF compatibility: clear A (%b0) and X (%b7) registers */ + if (REG_SEEN(BPF_REG_A)) + /* lghi %ba,0 */ + EMIT4_IMM(0xa7090000, BPF_REG_A, 0); + if (REG_SEEN(BPF_REG_X)) + /* lghi %bx,0 */ + EMIT4_IMM(0xa7090000, BPF_REG_X, 0); } /* diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c index bc927a09a172..9cfa2ffaa9d6 100644 --- a/arch/s390/oprofile/init.c +++ b/arch/s390/oprofile/init.c @@ -16,6 +16,7 @@ #include <linux/fs.h> #include <linux/module.h> #include <asm/processor.h> +#include <asm/perf_event.h> #include "../../../drivers/oprofile/oprof.h" diff --git a/arch/score/include/asm/Kbuild b/arch/score/include/asm/Kbuild index 138fb3db45ba..92ffe397b893 100644 --- a/arch/score/include/asm/Kbuild +++ b/arch/score/include/asm/Kbuild @@ -7,6 +7,7 @@ generic-y += clkdev.h generic-y += cputime.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += sections.h generic-y += trace_clock.h diff --git a/arch/score/include/asm/mm-arch-hooks.h b/arch/score/include/asm/mm-arch-hooks.h deleted file mode 100644 index 5e38689f189a..000000000000 --- a/arch/score/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_SCORE_MM_ARCH_HOOKS_H -#define _ASM_SCORE_MM_ARCH_HOOKS_H - -#endif /* _ASM_SCORE_MM_ARCH_HOOKS_H */ diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild index 9ac4626e7284..aac452b26aa8 100644 --- a/arch/sh/include/asm/Kbuild +++ b/arch/sh/include/asm/Kbuild @@ -16,6 +16,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += param.h diff --git a/arch/sh/include/asm/mm-arch-hooks.h b/arch/sh/include/asm/mm-arch-hooks.h deleted file mode 100644 index 18087298b728..000000000000 --- a/arch/sh/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_SH_MM_ARCH_HOOKS_H -#define _ASM_SH_MM_ARCH_HOOKS_H - -#endif /* _ASM_SH_MM_ARCH_HOOKS_H */ diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index 2b2a69dcc467..e928618838bc 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -12,6 +12,7 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += module.h generic-y += mutex.h generic-y += preempt.h diff --git a/arch/sparc/include/asm/mm-arch-hooks.h b/arch/sparc/include/asm/mm-arch-hooks.h deleted file mode 100644 index b89ba44c16f1..000000000000 --- a/arch/sparc/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_SPARC_MM_ARCH_HOOKS_H -#define _ASM_SPARC_MM_ARCH_HOOKS_H - -#endif /* _ASM_SPARC_MM_ARCH_HOOKS_H */ diff --git a/arch/sparc/include/asm/visasm.h b/arch/sparc/include/asm/visasm.h index 1f0aa2024e94..6424249d5f78 100644 --- a/arch/sparc/include/asm/visasm.h +++ b/arch/sparc/include/asm/visasm.h @@ -28,16 +28,10 @@ * Must preserve %o5 between VISEntryHalf and VISExitHalf */ #define VISEntryHalf \ - rd %fprs, %o5; \ - andcc %o5, FPRS_FEF, %g0; \ - be,pt %icc, 297f; \ - sethi %hi(298f), %g7; \ - sethi %hi(VISenterhalf), %g1; \ - jmpl %g1 + %lo(VISenterhalf), %g0; \ - or %g7, %lo(298f), %g7; \ - clr %o5; \ -297: wr %o5, FPRS_FEF, %fprs; \ -298: + VISEntry + +#define VISExitHalf \ + VISExit #define VISEntryHalfFast(fail_label) \ rd %fprs, %o5; \ @@ -47,7 +41,7 @@ ba,a,pt %xcc, fail_label; \ 297: wr %o5, FPRS_FEF, %fprs; -#define VISExitHalf \ +#define VISExitHalfFast \ wr %o5, 0, %fprs; #ifndef __ASSEMBLY__ diff --git a/arch/sparc/lib/NG4memcpy.S b/arch/sparc/lib/NG4memcpy.S index 140527a20e7d..83aeeb1dffdb 100644 --- a/arch/sparc/lib/NG4memcpy.S +++ b/arch/sparc/lib/NG4memcpy.S @@ -240,8 +240,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ add %o0, 0x40, %o0 bne,pt %icc, 1b LOAD(prefetch, %g1 + 0x200, #n_reads_strong) +#ifdef NON_USER_COPY + VISExitHalfFast +#else VISExitHalf - +#endif brz,pn %o2, .Lexit cmp %o2, 19 ble,pn %icc, .Lsmall_unaligned diff --git a/arch/sparc/lib/VISsave.S b/arch/sparc/lib/VISsave.S index b320ae9e2e2e..a063d84336d6 100644 --- a/arch/sparc/lib/VISsave.S +++ b/arch/sparc/lib/VISsave.S @@ -44,9 +44,8 @@ vis1: ldub [%g6 + TI_FPSAVED], %g3 stx %g3, [%g6 + TI_GSR] 2: add %g6, %g1, %g3 - cmp %o5, FPRS_DU - be,pn %icc, 6f - sll %g1, 3, %g1 + mov FPRS_DU | FPRS_DL | FPRS_FEF, %o5 + sll %g1, 3, %g1 stb %o5, [%g3 + TI_FPSAVED] rd %gsr, %g2 add %g6, %g1, %g3 @@ -80,65 +79,3 @@ vis1: ldub [%g6 + TI_FPSAVED], %g3 .align 32 80: jmpl %g7 + %g0, %g0 nop - -6: ldub [%g3 + TI_FPSAVED], %o5 - or %o5, FPRS_DU, %o5 - add %g6, TI_FPREGS+0x80, %g2 - stb %o5, [%g3 + TI_FPSAVED] - - sll %g1, 5, %g1 - add %g6, TI_FPREGS+0xc0, %g3 - wr %g0, FPRS_FEF, %fprs - membar #Sync - stda %f32, [%g2 + %g1] ASI_BLK_P - stda %f48, [%g3 + %g1] ASI_BLK_P - membar #Sync - ba,pt %xcc, 80f - nop - - .align 32 -80: jmpl %g7 + %g0, %g0 - nop - - .align 32 -VISenterhalf: - ldub [%g6 + TI_FPDEPTH], %g1 - brnz,a,pn %g1, 1f - cmp %g1, 1 - stb %g0, [%g6 + TI_FPSAVED] - stx %fsr, [%g6 + TI_XFSR] - clr %o5 - jmpl %g7 + %g0, %g0 - wr %g0, FPRS_FEF, %fprs - -1: bne,pn %icc, 2f - srl %g1, 1, %g1 - ba,pt %xcc, vis1 - sub %g7, 8, %g7 -2: addcc %g6, %g1, %g3 - sll %g1, 3, %g1 - andn %o5, FPRS_DU, %g2 - stb %g2, [%g3 + TI_FPSAVED] - - rd %gsr, %g2 - add %g6, %g1, %g3 - stx %g2, [%g3 + TI_GSR] - add %g6, %g1, %g2 - stx %fsr, [%g2 + TI_XFSR] - sll %g1, 5, %g1 -3: andcc %o5, FPRS_DL, %g0 - be,pn %icc, 4f - add %g6, TI_FPREGS, %g2 - - add %g6, TI_FPREGS+0x40, %g3 - membar #Sync - stda %f0, [%g2 + %g1] ASI_BLK_P - stda %f16, [%g3 + %g1] ASI_BLK_P - membar #Sync - ba,pt %xcc, 4f - nop - - .align 32 -4: and %o5, FPRS_DU, %o5 - jmpl %g7 + %g0, %g0 - wr %o5, FPRS_FEF, %fprs diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c index 1d649a95660c..8069ce12f20b 100644 --- a/arch/sparc/lib/ksyms.c +++ b/arch/sparc/lib/ksyms.c @@ -135,10 +135,6 @@ EXPORT_SYMBOL(copy_user_page); void VISenter(void); EXPORT_SYMBOL(VISenter); -/* CRYPTO code needs this */ -void VISenterhalf(void); -EXPORT_SYMBOL(VISenterhalf); - extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *); extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *, unsigned long *); diff --git a/arch/tile/include/asm/Kbuild b/arch/tile/include/asm/Kbuild index d53654488c2c..d8a843163471 100644 --- a/arch/tile/include/asm/Kbuild +++ b/arch/tile/include/asm/Kbuild @@ -19,6 +19,7 @@ generic-y += irq_regs.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += msgbuf.h generic-y += mutex.h generic-y += param.h diff --git a/arch/tile/include/asm/mm-arch-hooks.h b/arch/tile/include/asm/mm-arch-hooks.h deleted file mode 100644 index d1709ea774f7..000000000000 --- a/arch/tile/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_TILE_MM_ARCH_HOOKS_H -#define _ASM_TILE_MM_ARCH_HOOKS_H - -#endif /* _ASM_TILE_MM_ARCH_HOOKS_H */ diff --git a/arch/tile/kernel/compat_signal.c b/arch/tile/kernel/compat_signal.c index e8c2c04143cd..c667e104a0c2 100644 --- a/arch/tile/kernel/compat_signal.c +++ b/arch/tile/kernel/compat_signal.c @@ -113,8 +113,6 @@ int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from) if (!access_ok(VERIFY_READ, from, sizeof(struct compat_siginfo))) return -EFAULT; - memset(to, 0, sizeof(*to)); - err = __get_user(to->si_signo, &from->si_signo); err |= __get_user(to->si_errno, &from->si_errno); err |= __get_user(to->si_code, &from->si_code); diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c index 99c9ff87e018..6b755d125783 100644 --- a/arch/tile/kernel/setup.c +++ b/arch/tile/kernel/setup.c @@ -1139,7 +1139,7 @@ static void __init load_hv_initrd(void) void __init free_initrd_mem(unsigned long begin, unsigned long end) { - free_bootmem(__pa(begin), end - begin); + free_bootmem_late(__pa(begin), end - begin); } static int __init setup_initrd(char *str) diff --git a/arch/tile/lib/memcpy_user_64.c b/arch/tile/lib/memcpy_user_64.c index 88c7016492c4..97bbb6060b25 100644 --- a/arch/tile/lib/memcpy_user_64.c +++ b/arch/tile/lib/memcpy_user_64.c @@ -28,7 +28,7 @@ #define _ST(p, inst, v) \ ({ \ asm("1: " #inst " %0, %1;" \ - ".pushsection .coldtext.memcpy,\"ax\";" \ + ".pushsection .coldtext,\"ax\";" \ "2: { move r0, %2; jrp lr };" \ ".section __ex_table,\"a\";" \ ".align 8;" \ @@ -41,7 +41,7 @@ ({ \ unsigned long __v; \ asm("1: " #inst " %0, %1;" \ - ".pushsection .coldtext.memcpy,\"ax\";" \ + ".pushsection .coldtext,\"ax\";" \ "2: { move r0, %2; jrp lr };" \ ".section __ex_table,\"a\";" \ ".align 8;" \ diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild index 3d63ff6f583f..149ec55f9c46 100644 --- a/arch/um/include/asm/Kbuild +++ b/arch/um/include/asm/Kbuild @@ -16,6 +16,7 @@ generic-y += irq_regs.h generic-y += irq_work.h generic-y += kdebug.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mutex.h generic-y += param.h generic-y += pci.h diff --git a/arch/um/include/asm/mm-arch-hooks.h b/arch/um/include/asm/mm-arch-hooks.h deleted file mode 100644 index a7c8b0dfdd4e..000000000000 --- a/arch/um/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_UM_MM_ARCH_HOOKS_H -#define _ASM_UM_MM_ARCH_HOOKS_H - -#endif /* _ASM_UM_MM_ARCH_HOOKS_H */ diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index d12b377b5a8b..1fc7a286dc6f 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild @@ -26,6 +26,7 @@ generic-y += kdebug.h generic-y += kmap_types.h generic-y += local.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += module.h generic-y += msgbuf.h diff --git a/arch/unicore32/include/asm/mm-arch-hooks.h b/arch/unicore32/include/asm/mm-arch-hooks.h deleted file mode 100644 index 4d79a850c509..000000000000 --- a/arch/unicore32/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_UNICORE32_MM_ARCH_HOOKS_H -#define _ASM_UNICORE32_MM_ARCH_HOOKS_H - -#endif /* _ASM_UNICORE32_MM_ARCH_HOOKS_H */ diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 55bced17dc95..b3a1a5d77d92 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -41,6 +41,7 @@ config X86 select ARCH_USE_CMPXCHG_LOCKREF if X86_64 select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS + select ARCH_WANTS_DYNAMIC_TASK_STRUCT select ARCH_WANT_FRAME_POINTERS select ARCH_WANT_IPC_PARSE_VERSION if X86_32 select ARCH_WANT_OPTIONAL_GPIOLIB @@ -254,6 +255,11 @@ config ARCH_SUPPORTS_OPTIMIZED_INLINING config ARCH_SUPPORTS_DEBUG_PAGEALLOC def_bool y +config KASAN_SHADOW_OFFSET + hex + depends on KASAN + default 0xdffffc0000000000 + config HAVE_INTEL_TXT def_bool y depends on INTEL_IOMMU && ACPI @@ -2015,7 +2021,7 @@ config CMDLINE_BOOL To compile command line arguments into the kernel, set this option to 'Y', then fill in the - the boot arguments in CONFIG_CMDLINE. + boot arguments in CONFIG_CMDLINE. Systems with fully functional boot loaders (i.e. non-embedded) should leave this option set to 'N'. diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index a15893d17c55..d8c0d3266173 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -297,6 +297,18 @@ config OPTIMIZE_INLINING If unsure, say N. +config DEBUG_ENTRY + bool "Debug low-level entry code" + depends on DEBUG_KERNEL + ---help--- + This option enables sanity checks in x86's low-level entry code. + Some of these sanity checks may slow down kernel entries and + exits or otherwise impact performance. + + This is currently used to help test NMI code. + + If unsure, say N. + config DEBUG_NMI_SELFTEST bool "NMI Selftest" depends on DEBUG_KERNEL && X86_LOCAL_APIC diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c index 2c82bd150d43..7d69afd8b6fa 100644 --- a/arch/x86/boot/compressed/eboot.c +++ b/arch/x86/boot/compressed/eboot.c @@ -1193,6 +1193,10 @@ static efi_status_t setup_e820(struct boot_params *params, unsigned int e820_type = 0; unsigned long m = efi->efi_memmap; +#ifdef CONFIG_X86_64 + m |= (u64)efi->efi_memmap_hi << 32; +#endif + d = (efi_memory_desc_t *)(m + (i * efi->efi_memdesc_size)); switch (d->type) { case EFI_RESERVED_TYPE: diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 3bb2c4302df1..8cb3e438f21e 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -1237,11 +1237,12 @@ ENTRY(nmi) * If the variable is not set and the stack is not the NMI * stack then: * o Set the special variable on the stack - * o Copy the interrupt frame into a "saved" location on the stack - * o Copy the interrupt frame into a "copy" location on the stack + * o Copy the interrupt frame into an "outermost" location on the + * stack + * o Copy the interrupt frame into an "iret" location on the stack * o Continue processing the NMI * If the variable is set or the previous stack is the NMI stack: - * o Modify the "copy" location to jump to the repeate_nmi + * o Modify the "iret" location to jump to the repeat_nmi * o return back to the first NMI * * Now on exit of the first NMI, we first clear the stack variable @@ -1250,31 +1251,151 @@ ENTRY(nmi) * a nested NMI that updated the copy interrupt stack frame, a * jump will be made to the repeat_nmi code that will handle the second * NMI. + * + * However, espfix prevents us from directly returning to userspace + * with a single IRET instruction. Similarly, IRET to user mode + * can fault. We therefore handle NMIs from user space like + * other IST entries. */ /* Use %rdx as our temp variable throughout */ pushq %rdx + testb $3, CS-RIP+8(%rsp) + jz .Lnmi_from_kernel + + /* + * NMI from user mode. We need to run on the thread stack, but we + * can't go through the normal entry paths: NMIs are masked, and + * we don't want to enable interrupts, because then we'll end + * up in an awkward situation in which IRQs are on but NMIs + * are off. + */ + + SWAPGS + cld + movq %rsp, %rdx + movq PER_CPU_VAR(cpu_current_top_of_stack), %rsp + pushq 5*8(%rdx) /* pt_regs->ss */ + pushq 4*8(%rdx) /* pt_regs->rsp */ + pushq 3*8(%rdx) /* pt_regs->flags */ + pushq 2*8(%rdx) /* pt_regs->cs */ + pushq 1*8(%rdx) /* pt_regs->rip */ + pushq $-1 /* pt_regs->orig_ax */ + pushq %rdi /* pt_regs->di */ + pushq %rsi /* pt_regs->si */ + pushq (%rdx) /* pt_regs->dx */ + pushq %rcx /* pt_regs->cx */ + pushq %rax /* pt_regs->ax */ + pushq %r8 /* pt_regs->r8 */ + pushq %r9 /* pt_regs->r9 */ + pushq %r10 /* pt_regs->r10 */ + pushq %r11 /* pt_regs->r11 */ + pushq %rbx /* pt_regs->rbx */ + pushq %rbp /* pt_regs->rbp */ + pushq %r12 /* pt_regs->r12 */ + pushq %r13 /* pt_regs->r13 */ + pushq %r14 /* pt_regs->r14 */ + pushq %r15 /* pt_regs->r15 */ + + /* + * At this point we no longer need to worry about stack damage + * due to nesting -- we're on the normal thread stack and we're + * done with the NMI stack. + */ + + movq %rsp, %rdi + movq $-1, %rsi + call do_nmi + + /* + * Return back to user mode. We must *not* do the normal exit + * work, because we don't want to enable interrupts. Fortunately, + * do_nmi doesn't modify pt_regs. + */ + SWAPGS + jmp restore_c_regs_and_iret + +.Lnmi_from_kernel: + /* + * Here's what our stack frame will look like: + * +---------------------------------------------------------+ + * | original SS | + * | original Return RSP | + * | original RFLAGS | + * | original CS | + * | original RIP | + * +---------------------------------------------------------+ + * | temp storage for rdx | + * +---------------------------------------------------------+ + * | "NMI executing" variable | + * +---------------------------------------------------------+ + * | iret SS } Copied from "outermost" frame | + * | iret Return RSP } on each loop iteration; overwritten | + * | iret RFLAGS } by a nested NMI to force another | + * | iret CS } iteration if needed. | + * | iret RIP } | + * +---------------------------------------------------------+ + * | outermost SS } initialized in first_nmi; | + * | outermost Return RSP } will not be changed before | + * | outermost RFLAGS } NMI processing is done. | + * | outermost CS } Copied to "iret" frame on each | + * | outermost RIP } iteration. | + * +---------------------------------------------------------+ + * | pt_regs | + * +---------------------------------------------------------+ + * + * The "original" frame is used by hardware. Before re-enabling + * NMIs, we need to be done with it, and we need to leave enough + * space for the asm code here. + * + * We return by executing IRET while RSP points to the "iret" frame. + * That will either return for real or it will loop back into NMI + * processing. + * + * The "outermost" frame is copied to the "iret" frame on each + * iteration of the loop, so each iteration starts with the "iret" + * frame pointing to the final return target. + */ + /* - * If %cs was not the kernel segment, then the NMI triggered in user - * space, which means it is definitely not nested. + * Determine whether we're a nested NMI. + * + * If we interrupted kernel code between repeat_nmi and + * end_repeat_nmi, then we are a nested NMI. We must not + * modify the "iret" frame because it's being written by + * the outer NMI. That's okay; the outer NMI handler is + * about to about to call do_nmi anyway, so we can just + * resume the outer NMI. */ - cmpl $__KERNEL_CS, 16(%rsp) - jne first_nmi + + movq $repeat_nmi, %rdx + cmpq 8(%rsp), %rdx + ja 1f + movq $end_repeat_nmi, %rdx + cmpq 8(%rsp), %rdx + ja nested_nmi_out +1: /* - * Check the special variable on the stack to see if NMIs are - * executing. + * Now check "NMI executing". If it's set, then we're nested. + * This will not detect if we interrupted an outer NMI just + * before IRET. */ cmpl $1, -8(%rsp) je nested_nmi /* - * Now test if the previous stack was an NMI stack. - * We need the double check. We check the NMI stack to satisfy the - * race when the first NMI clears the variable before returning. - * We check the variable because the first NMI could be in a - * breakpoint routine using a breakpoint stack. + * Now test if the previous stack was an NMI stack. This covers + * the case where we interrupt an outer NMI after it clears + * "NMI executing" but before IRET. We need to be careful, though: + * there is one case in which RSP could point to the NMI stack + * despite there being no NMI active: naughty userspace controls + * RSP at the very beginning of the SYSCALL targets. We can + * pull a fast one on naughty userspace, though: we program + * SYSCALL to mask DF, so userspace cannot cause DF to be set + * if it controls the kernel's RSP. We set DF before we clear + * "NMI executing". */ lea 6*8(%rsp), %rdx /* Compare the NMI stack (rdx) with the stack we came from (4*8(%rsp)) */ @@ -1286,25 +1407,20 @@ ENTRY(nmi) cmpq %rdx, 4*8(%rsp) /* If it is below the NMI stack, it is a normal NMI */ jb first_nmi - /* Ah, it is within the NMI stack, treat it as nested */ + + /* Ah, it is within the NMI stack. */ + + testb $(X86_EFLAGS_DF >> 8), (3*8 + 1)(%rsp) + jz first_nmi /* RSP was user controlled. */ + + /* This is a nested NMI. */ nested_nmi: /* - * Do nothing if we interrupted the fixup in repeat_nmi. - * It's about to repeat the NMI handler, so we are fine - * with ignoring this one. + * Modify the "iret" frame to point to repeat_nmi, forcing another + * iteration of NMI handling. */ - movq $repeat_nmi, %rdx - cmpq 8(%rsp), %rdx - ja 1f - movq $end_repeat_nmi, %rdx - cmpq 8(%rsp), %rdx - ja nested_nmi_out - -1: - /* Set up the interrupted NMIs stack to jump to repeat_nmi */ - leaq -1*8(%rsp), %rdx - movq %rdx, %rsp + subq $8, %rsp leaq -10*8(%rsp), %rdx pushq $__KERNEL_DS pushq %rdx @@ -1318,61 +1434,42 @@ nested_nmi: nested_nmi_out: popq %rdx - /* No need to check faults here */ + /* We are returning to kernel mode, so this cannot result in a fault. */ INTERRUPT_RETURN first_nmi: - /* - * Because nested NMIs will use the pushed location that we - * stored in rdx, we must keep that space available. - * Here's what our stack frame will look like: - * +-------------------------+ - * | original SS | - * | original Return RSP | - * | original RFLAGS | - * | original CS | - * | original RIP | - * +-------------------------+ - * | temp storage for rdx | - * +-------------------------+ - * | NMI executing variable | - * +-------------------------+ - * | copied SS | - * | copied Return RSP | - * | copied RFLAGS | - * | copied CS | - * | copied RIP | - * +-------------------------+ - * | Saved SS | - * | Saved Return RSP | - * | Saved RFLAGS | - * | Saved CS | - * | Saved RIP | - * +-------------------------+ - * | pt_regs | - * +-------------------------+ - * - * The saved stack frame is used to fix up the copied stack frame - * that a nested NMI may change to make the interrupted NMI iret jump - * to the repeat_nmi. The original stack frame and the temp storage - * is also used by nested NMIs and can not be trusted on exit. - */ - /* Do not pop rdx, nested NMIs will corrupt that part of the stack */ + /* Restore rdx. */ movq (%rsp), %rdx - /* Set the NMI executing variable on the stack. */ - pushq $1 + /* Make room for "NMI executing". */ + pushq $0 - /* Leave room for the "copied" frame */ + /* Leave room for the "iret" frame */ subq $(5*8), %rsp - /* Copy the stack frame to the Saved frame */ + /* Copy the "original" frame to the "outermost" frame */ .rept 5 pushq 11*8(%rsp) .endr /* Everything up to here is safe from nested NMIs */ +#ifdef CONFIG_DEBUG_ENTRY + /* + * For ease of testing, unmask NMIs right away. Disabled by + * default because IRET is very expensive. + */ + pushq $0 /* SS */ + pushq %rsp /* RSP (minus 8 because of the previous push) */ + addq $8, (%rsp) /* Fix up RSP */ + pushfq /* RFLAGS */ + pushq $__KERNEL_CS /* CS */ + pushq $1f /* RIP */ + INTERRUPT_RETURN /* continues at repeat_nmi below */ +1: +#endif + +repeat_nmi: /* * If there was a nested NMI, the first NMI's iret will return * here. But NMIs are still enabled and we can take another @@ -1381,16 +1478,20 @@ first_nmi: * it will just return, as we are about to repeat an NMI anyway. * This makes it safe to copy to the stack frame that a nested * NMI will update. + * + * RSP is pointing to "outermost RIP". gsbase is unknown, but, if + * we're repeating an NMI, gsbase has the same value that it had on + * the first iteration. paranoid_entry will load the kernel + * gsbase if needed before we call do_nmi. "NMI executing" + * is zero. */ -repeat_nmi: + movq $1, 10*8(%rsp) /* Set "NMI executing". */ + /* - * Update the stack variable to say we are still in NMI (the update - * is benign for the non-repeat case, where 1 was pushed just above - * to this very stack slot). + * Copy the "outermost" frame to the "iret" frame. NMIs that nest + * here must not modify the "iret" frame while we're writing to + * it or it will end up containing garbage. */ - movq $1, 10*8(%rsp) - - /* Make another copy, this one may be modified by nested NMIs */ addq $(10*8), %rsp .rept 5 pushq -6*8(%rsp) @@ -1399,9 +1500,9 @@ repeat_nmi: end_repeat_nmi: /* - * Everything below this point can be preempted by a nested - * NMI if the first NMI took an exception and reset our iret stack - * so that we repeat another NMI. + * Everything below this point can be preempted by a nested NMI. + * If this happens, then the inner NMI will change the "iret" + * frame to point back to repeat_nmi. */ pushq $-1 /* ORIG_RAX: no syscall to restart */ ALLOC_PT_GPREGS_ON_STACK @@ -1415,28 +1516,11 @@ end_repeat_nmi: */ call paranoid_entry - /* - * Save off the CR2 register. If we take a page fault in the NMI then - * it could corrupt the CR2 value. If the NMI preempts a page fault - * handler before it was able to read the CR2 register, and then the - * NMI itself takes a page fault, the page fault that was preempted - * will read the information from the NMI page fault and not the - * origin fault. Save it off and restore it if it changes. - * Use the r12 callee-saved register. - */ - movq %cr2, %r12 - /* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */ movq %rsp, %rdi movq $-1, %rsi call do_nmi - /* Did the NMI take a page fault? Restore cr2 if it did */ - movq %cr2, %rcx - cmpq %rcx, %r12 - je 1f - movq %r12, %cr2 -1: testl %ebx, %ebx /* swapgs needed? */ jnz nmi_restore nmi_swapgs: @@ -1444,11 +1528,26 @@ nmi_swapgs: nmi_restore: RESTORE_EXTRA_REGS RESTORE_C_REGS - /* Pop the extra iret frame at once */ + + /* Point RSP at the "iret" frame. */ REMOVE_PT_GPREGS_FROM_STACK 6*8 - /* Clear the NMI executing stack variable */ - movq $0, 5*8(%rsp) + /* + * Clear "NMI executing". Set DF first so that we can easily + * distinguish the remaining code between here and IRET from + * the SYSCALL entry and exit paths. On a native kernel, we + * could just inspect RIP, but, on paravirt kernels, + * INTERRUPT_RETURN can translate into a jump into a + * hypercall page. + */ + std + movq $0, 5*8(%rsp) /* clear "NMI executing" */ + + /* + * INTERRUPT_RETURN reads the "iret" frame and exits the NMI + * stack in a single instruction. We are returning to kernel + * mode, so this cannot result in a fault. + */ INTERRUPT_RETURN END(nmi) diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S index bb187a6a877c..a7e257d9cb90 100644 --- a/arch/x86/entry/entry_64_compat.S +++ b/arch/x86/entry/entry_64_compat.S @@ -140,6 +140,7 @@ sysexit_from_sys_call: */ andl $~TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) movl RIP(%rsp), %ecx /* User %eip */ + movq RAX(%rsp), %rax RESTORE_RSI_RDI xorl %edx, %edx /* Do not leak kernel information */ xorq %r8, %r8 @@ -205,7 +206,6 @@ sysexit_from_sys_call: movl RDX(%rsp), %edx /* arg3 */ movl RSI(%rsp), %ecx /* arg4 */ movl RDI(%rsp), %r8d /* arg5 */ - movl %ebp, %r9d /* arg6 */ .endm .macro auditsys_exit exit @@ -220,7 +220,6 @@ sysexit_from_sys_call: 1: setbe %al /* 1 if error, 0 if not */ movzbl %al, %edi /* zero-extend that into %edi */ call __audit_syscall_exit - movq RAX(%rsp), %rax /* reload syscall return value */ movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT), %edi DISABLE_INTERRUPTS(CLBR_NONE) TRACE_IRQS_OFF @@ -236,6 +235,7 @@ sysexit_from_sys_call: sysenter_auditsys: auditsys_entry_common + movl %ebp, %r9d /* reload 6th syscall arg */ jmp sysenter_dispatch sysexit_audit: @@ -336,7 +336,7 @@ ENTRY(entry_SYSCALL_compat) * 32-bit zero extended: */ ASM_STAC -1: movl (%r8), %ebp +1: movl (%r8), %r9d _ASM_EXTABLE(1b, ia32_badarg) ASM_CLAC orl $TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) @@ -346,7 +346,7 @@ ENTRY(entry_SYSCALL_compat) cstar_do_call: /* 32-bit syscall -> 64-bit C ABI argument conversion */ movl %edi, %r8d /* arg5 */ - movl %ebp, %r9d /* arg6 */ + /* r9 already loaded */ /* arg6 */ xchg %ecx, %esi /* rsi:arg2, rcx:arg4 */ movl %ebx, %edi /* arg1 */ movl %edx, %edx /* arg3 (zero extension) */ @@ -358,7 +358,6 @@ cstar_dispatch: call *ia32_sys_call_table(, %rax, 8) movq %rax, RAX(%rsp) 1: - movl RCX(%rsp), %ebp DISABLE_INTERRUPTS(CLBR_NONE) TRACE_IRQS_OFF testl $_TIF_ALLWORK_MASK, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) @@ -369,6 +368,7 @@ sysretl_from_sys_call: RESTORE_RSI_RDI_RDX movl RIP(%rsp), %ecx movl EFLAGS(%rsp), %r11d + movq RAX(%rsp), %rax xorq %r10, %r10 xorq %r9, %r9 xorq %r8, %r8 @@ -392,7 +392,9 @@ sysretl_from_sys_call: #ifdef CONFIG_AUDITSYSCALL cstar_auditsys: + movl %r9d, R9(%rsp) /* register to be clobbered by call */ auditsys_entry_common + movl R9(%rsp), %r9d /* reload 6th syscall arg */ jmp cstar_dispatch sysretl_audit: @@ -404,14 +406,16 @@ cstar_tracesys: testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT), ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) jz cstar_auditsys #endif + xchgl %r9d, %ebp SAVE_EXTRA_REGS xorl %eax, %eax /* Do not leak kernel information */ movq %rax, R11(%rsp) movq %rax, R10(%rsp) - movq %rax, R9(%rsp) + movq %r9, R9(%rsp) movq %rax, R8(%rsp) movq %rsp, %rdi /* &pt_regs -> arg1 */ call syscall_trace_enter + movl R9(%rsp), %r9d /* Reload arg registers from stack. (see sysenter_tracesys) */ movl RCX(%rsp), %ecx @@ -421,6 +425,7 @@ cstar_tracesys: movl %eax, %eax /* zero extension */ RESTORE_EXTRA_REGS + xchgl %ebp, %r9d jmp cstar_do_call END(entry_SYSCALL_compat) diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild index 4dd1f2d770af..aeac434c9feb 100644 --- a/arch/x86/include/asm/Kbuild +++ b/arch/x86/include/asm/Kbuild @@ -9,3 +9,4 @@ generic-y += cputime.h generic-y += dma-contiguous.h generic-y += early_ioremap.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index a0bf89fd2647..4e10d73cf018 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -280,21 +280,6 @@ static inline void clear_LDT(void) set_ldt(NULL, 0); } -/* - * load one particular LDT into the current CPU - */ -static inline void load_LDT_nolock(mm_context_t *pc) -{ - set_ldt(pc->ldt, pc->size); -} - -static inline void load_LDT(mm_context_t *pc) -{ - preempt_disable(); - load_LDT_nolock(pc); - preempt_enable(); -} - static inline unsigned long get_desc_base(const struct desc_struct *desc) { return (unsigned)(desc->base0 | ((desc->base1) << 16) | ((desc->base2) << 24)); diff --git a/arch/x86/include/asm/espfix.h b/arch/x86/include/asm/espfix.h index 99efebb2f69d..ca3ce9ab9385 100644 --- a/arch/x86/include/asm/espfix.h +++ b/arch/x86/include/asm/espfix.h @@ -9,7 +9,7 @@ DECLARE_PER_CPU_READ_MOSTLY(unsigned long, espfix_stack); DECLARE_PER_CPU_READ_MOSTLY(unsigned long, espfix_waddr); extern void init_espfix_bsp(void); -extern void init_espfix_ap(void); +extern void init_espfix_ap(int cpu); #endif /* CONFIG_X86_64 */ diff --git a/arch/x86/include/asm/fpu/types.h b/arch/x86/include/asm/fpu/types.h index 0637826292de..c49c5173158e 100644 --- a/arch/x86/include/asm/fpu/types.h +++ b/arch/x86/include/asm/fpu/types.h @@ -189,6 +189,7 @@ union fpregs_state { struct fxregs_state fxsave; struct swregs_state soft; struct xregs_state xsave; + u8 __padding[PAGE_SIZE]; }; /* @@ -198,40 +199,6 @@ union fpregs_state { */ struct fpu { /* - * @state: - * - * In-memory copy of all FPU registers that we save/restore - * over context switches. If the task is using the FPU then - * the registers in the FPU are more recent than this state - * copy. If the task context-switches away then they get - * saved here and represent the FPU state. - * - * After context switches there may be a (short) time period - * during which the in-FPU hardware registers are unchanged - * and still perfectly match this state, if the tasks - * scheduled afterwards are not using the FPU. - * - * This is the 'lazy restore' window of optimization, which - * we track though 'fpu_fpregs_owner_ctx' and 'fpu->last_cpu'. - * - * We detect whether a subsequent task uses the FPU via setting - * CR0::TS to 1, which causes any FPU use to raise a #NM fault. - * - * During this window, if the task gets scheduled again, we - * might be able to skip having to do a restore from this - * memory buffer to the hardware registers - at the cost of - * incurring the overhead of #NM fault traps. - * - * Note that on modern CPUs that support the XSAVEOPT (or other - * optimized XSAVE instructions), we don't use #NM traps anymore, - * as the hardware can track whether FPU registers need saving - * or not. On such CPUs we activate the non-lazy ('eagerfpu') - * logic, which unconditionally saves/restores all FPU state - * across context switches. (if FPU state exists.) - */ - union fpregs_state state; - - /* * @last_cpu: * * Records the last CPU on which this context was loaded into @@ -288,6 +255,43 @@ struct fpu { * deal with bursty apps that only use the FPU for a short time: */ unsigned char counter; + /* + * @state: + * + * In-memory copy of all FPU registers that we save/restore + * over context switches. If the task is using the FPU then + * the registers in the FPU are more recent than this state + * copy. If the task context-switches away then they get + * saved here and represent the FPU state. + * + * After context switches there may be a (short) time period + * during which the in-FPU hardware registers are unchanged + * and still perfectly match this state, if the tasks + * scheduled afterwards are not using the FPU. + * + * This is the 'lazy restore' window of optimization, which + * we track though 'fpu_fpregs_owner_ctx' and 'fpu->last_cpu'. + * + * We detect whether a subsequent task uses the FPU via setting + * CR0::TS to 1, which causes any FPU use to raise a #NM fault. + * + * During this window, if the task gets scheduled again, we + * might be able to skip having to do a restore from this + * memory buffer to the hardware registers - at the cost of + * incurring the overhead of #NM fault traps. + * + * Note that on modern CPUs that support the XSAVEOPT (or other + * optimized XSAVE instructions), we don't use #NM traps anymore, + * as the hardware can track whether FPU registers need saving + * or not. On such CPUs we activate the non-lazy ('eagerfpu') + * logic, which unconditionally saves/restores all FPU state + * across context switches. (if FPU state exists.) + */ + union fpregs_state state; + /* + * WARNING: 'state' is dynamically-sized. Do not put + * anything after it here. + */ }; #endif /* _ASM_X86_FPU_H */ diff --git a/arch/x86/include/asm/intel_pmc_ipc.h b/arch/x86/include/asm/intel_pmc_ipc.h index 200ec2e7821d..cd0310e186f4 100644 --- a/arch/x86/include/asm/intel_pmc_ipc.h +++ b/arch/x86/include/asm/intel_pmc_ipc.h @@ -25,36 +25,9 @@ #if IS_ENABLED(CONFIG_INTEL_PMC_IPC) -/* - * intel_pmc_ipc_simple_command - * @cmd: command - * @sub: sub type - */ int intel_pmc_ipc_simple_command(int cmd, int sub); - -/* - * intel_pmc_ipc_raw_cmd - * @cmd: command - * @sub: sub type - * @in: input data - * @inlen: input length in bytes - * @out: output data - * @outlen: output length in dwords - * @sptr: data writing to SPTR register - * @dptr: data writing to DPTR register - */ int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, u32 outlen, u32 dptr, u32 sptr); - -/* - * intel_pmc_ipc_command - * @cmd: command - * @sub: sub type - * @in: input data - * @inlen: input length in bytes - * @out: output data - * @outlen: output length in dwords - */ int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, u32 outlen); diff --git a/arch/x86/include/asm/kasan.h b/arch/x86/include/asm/kasan.h index 8b22422fbad8..74a2a8dc9908 100644 --- a/arch/x86/include/asm/kasan.h +++ b/arch/x86/include/asm/kasan.h @@ -14,15 +14,11 @@ #ifndef __ASSEMBLY__ -extern pte_t kasan_zero_pte[]; -extern pte_t kasan_zero_pmd[]; -extern pte_t kasan_zero_pud[]; - #ifdef CONFIG_KASAN -void __init kasan_map_early_shadow(pgd_t *pgd); +void __init kasan_early_init(void); void __init kasan_init(void); #else -static inline void kasan_map_early_shadow(pgd_t *pgd) { } +static inline void kasan_early_init(void) { } static inline void kasan_init(void) { } #endif diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 2a7f5d782c33..49ec9038ec14 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -604,6 +604,8 @@ struct kvm_arch { bool iommu_noncoherent; #define __KVM_HAVE_ARCH_NONCOHERENT_DMA atomic_t noncoherent_dma_count; +#define __KVM_HAVE_ARCH_ASSIGNED_DEVICE + atomic_t assigned_device_count; struct kvm_pic *vpic; struct kvm_ioapic *vioapic; struct kvm_pit *vpit; diff --git a/arch/x86/include/asm/mm-arch-hooks.h b/arch/x86/include/asm/mm-arch-hooks.h deleted file mode 100644 index 4e881a342236..000000000000 --- a/arch/x86/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_X86_MM_ARCH_HOOKS_H -#define _ASM_X86_MM_ARCH_HOOKS_H - -#endif /* _ASM_X86_MM_ARCH_HOOKS_H */ diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h index 09b9620a73b4..364d27481a52 100644 --- a/arch/x86/include/asm/mmu.h +++ b/arch/x86/include/asm/mmu.h @@ -9,8 +9,7 @@ * we put the segment information here. */ typedef struct { - void *ldt; - int size; + struct ldt_struct *ldt; #ifdef CONFIG_X86_64 /* True if mm supports a task running in 32 bit compatibility mode. */ diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h index 5e8daee7c5c9..984abfe47edc 100644 --- a/arch/x86/include/asm/mmu_context.h +++ b/arch/x86/include/asm/mmu_context.h @@ -23,7 +23,7 @@ extern struct static_key rdpmc_always_available; static inline void load_mm_cr4(struct mm_struct *mm) { - if (static_key_true(&rdpmc_always_available) || + if (static_key_false(&rdpmc_always_available) || atomic_read(&mm->context.perf_rdpmc_allowed)) cr4_set_bits(X86_CR4_PCE); else @@ -34,6 +34,50 @@ static inline void load_mm_cr4(struct mm_struct *mm) {} #endif /* + * ldt_structs can be allocated, used, and freed, but they are never + * modified while live. + */ +struct ldt_struct { + /* + * Xen requires page-aligned LDTs with special permissions. This is + * needed to prevent us from installing evil descriptors such as + * call gates. On native, we could merge the ldt_struct and LDT + * allocations, but it's not worth trying to optimize. + */ + struct desc_struct *entries; + int size; +}; + +static inline void load_mm_ldt(struct mm_struct *mm) +{ + struct ldt_struct *ldt; + + /* lockless_dereference synchronizes with smp_store_release */ + ldt = lockless_dereference(mm->context.ldt); + + /* + * Any change to mm->context.ldt is followed by an IPI to all + * CPUs with the mm active. The LDT will not be freed until + * after the IPI is handled by all such CPUs. This means that, + * if the ldt_struct changes before we return, the values we see + * will be safe, and the new values will be loaded before we run + * any user code. + * + * NB: don't try to convert this to use RCU without extreme care. + * We would still need IRQs off, because we don't want to change + * the local LDT after an IPI loaded a newer value than the one + * that we can see. + */ + + if (unlikely(ldt)) + set_ldt(ldt->entries, ldt->size); + else + clear_LDT(); + + DEBUG_LOCKS_WARN_ON(preemptible()); +} + +/* * Used for LDT copy/destruction. */ int init_new_context(struct task_struct *tsk, struct mm_struct *mm); @@ -78,12 +122,12 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, * was called and then modify_ldt changed * prev->context.ldt but suppressed an IPI to this CPU. * In this case, prev->context.ldt != NULL, because we - * never free an LDT while the mm still exists. That - * means that next->context.ldt != prev->context.ldt, - * because mms never share an LDT. + * never set context.ldt to NULL while the mm still + * exists. That means that next->context.ldt != + * prev->context.ldt, because mms never share an LDT. */ if (unlikely(prev->context.ldt != next->context.ldt)) - load_LDT_nolock(&next->context); + load_mm_ldt(next); } #ifdef CONFIG_SMP else { @@ -106,7 +150,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, load_cr3(next->pgd); trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL); load_mm_cr4(next); - load_LDT_nolock(&next->context); + load_mm_ldt(next); } } #endif diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 43e6519df0d5..944f1785ed0d 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -390,9 +390,6 @@ struct thread_struct { #endif unsigned long gs; - /* Floating point and extended processor state */ - struct fpu fpu; - /* Save middle states of ptrace breakpoints */ struct perf_event *ptrace_bps[HBP_NUM]; /* Debug status used for traps, single steps, etc... */ @@ -418,6 +415,13 @@ struct thread_struct { unsigned long iopl; /* Max allowed port in the bitmap, in bytes: */ unsigned io_bitmap_max; + + /* Floating point and extended processor state */ + struct fpu fpu; + /* + * WARNING: 'fpu' is dynamically-sized. It *MUST* be at + * the end. + */ }; /* diff --git a/arch/x86/include/asm/sigcontext.h b/arch/x86/include/asm/sigcontext.h index 6fe6b182c998..9dfce4e0417d 100644 --- a/arch/x86/include/asm/sigcontext.h +++ b/arch/x86/include/asm/sigcontext.h @@ -57,9 +57,9 @@ struct sigcontext { unsigned long ip; unsigned long flags; unsigned short cs; - unsigned short __pad2; /* Was called gs, but was always zero. */ - unsigned short __pad1; /* Was called fs, but was always zero. */ - unsigned short ss; + unsigned short gs; + unsigned short fs; + unsigned short __pad0; unsigned long err; unsigned long trapno; unsigned long oldmask; diff --git a/arch/x86/include/asm/switch_to.h b/arch/x86/include/asm/switch_to.h index 751bf4b7bf11..d7f3b3b78ac3 100644 --- a/arch/x86/include/asm/switch_to.h +++ b/arch/x86/include/asm/switch_to.h @@ -79,12 +79,12 @@ do { \ #else /* CONFIG_X86_32 */ /* frame pointer must be last for get_wchan */ -#define SAVE_CONTEXT "pushq %%rbp ; movq %%rsi,%%rbp\n\t" -#define RESTORE_CONTEXT "movq %%rbp,%%rsi ; popq %%rbp\t" +#define SAVE_CONTEXT "pushf ; pushq %%rbp ; movq %%rsi,%%rbp\n\t" +#define RESTORE_CONTEXT "movq %%rbp,%%rsi ; popq %%rbp ; popf\t" #define __EXTRA_CLOBBER \ , "rcx", "rbx", "rdx", "r8", "r9", "r10", "r11", \ - "r12", "r13", "r14", "r15", "flags" + "r12", "r13", "r14", "r15" #ifdef CONFIG_CC_STACKPROTECTOR #define __switch_canary \ @@ -100,11 +100,7 @@ do { \ #define __switch_canary_iparam #endif /* CC_STACKPROTECTOR */ -/* - * There is no need to save or restore flags, because flags are always - * clean in kernel mode, with the possible exception of IOPL. Kernel IOPL - * has no effect. - */ +/* Save restore flags to clear handle leaking NT */ #define switch_to(prev, next, last) \ asm volatile(SAVE_CONTEXT \ "movq %%rsp,%P[threadrsp](%[prev])\n\t" /* save RSP */ \ diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h index 8fba544e9cc4..f36d56bd7632 100644 --- a/arch/x86/include/uapi/asm/hyperv.h +++ b/arch/x86/include/uapi/asm/hyperv.h @@ -108,6 +108,8 @@ #define HV_X64_HYPERCALL_PARAMS_XMM_AVAILABLE (1 << 4) /* Support for a virtual guest idle state is available */ #define HV_X64_GUEST_IDLE_STATE_AVAILABLE (1 << 5) +/* Guest crash data handler available */ +#define HV_X64_GUEST_CRASH_MSR_AVAILABLE (1 << 10) /* * Implementation recommendations. Indicates which behaviors the hypervisor diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h index a4ae82eb82aa..cd54147cb365 100644 --- a/arch/x86/include/uapi/asm/kvm.h +++ b/arch/x86/include/uapi/asm/kvm.h @@ -354,7 +354,7 @@ struct kvm_xcrs { struct kvm_sync_regs { }; -#define KVM_QUIRK_LINT0_REENABLED (1 << 0) -#define KVM_QUIRK_CD_NW_CLEARED (1 << 1) +#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0) +#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1) #endif /* _ASM_X86_KVM_H */ diff --git a/arch/x86/include/uapi/asm/sigcontext.h b/arch/x86/include/uapi/asm/sigcontext.h index 0e8a973de9ee..40836a9a7250 100644 --- a/arch/x86/include/uapi/asm/sigcontext.h +++ b/arch/x86/include/uapi/asm/sigcontext.h @@ -177,24 +177,9 @@ struct sigcontext { __u64 rip; __u64 eflags; /* RFLAGS */ __u16 cs; - - /* - * Prior to 2.5.64 ("[PATCH] x86-64 updates for 2.5.64-bk3"), - * Linux saved and restored fs and gs in these slots. This - * was counterproductive, as fsbase and gsbase were never - * saved, so arch_prctl was presumably unreliable. - * - * If these slots are ever needed for any other purpose, there - * is some risk that very old 64-bit binaries could get - * confused. I doubt that many such binaries still work, - * though, since the same patch in 2.5.64 also removed the - * 64-bit set_thread_area syscall, so it appears that there is - * no TLS API that works in both pre- and post-2.5.64 kernels. - */ - __u16 __pad2; /* Was gs. */ - __u16 __pad1; /* Was fs. */ - - __u16 ss; + __u16 gs; + __u16 fs; + __u16 __pad0; __u64 err; __u64 trapno; __u64 oldmask; diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 845dc0df2002..206052e55517 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -943,7 +943,7 @@ static bool mp_check_pin_attr(int irq, struct irq_alloc_info *info) */ if (irq < nr_legacy_irqs() && data->count == 1) { if (info->ioapic_trigger != data->trigger) - mp_register_handler(irq, data->trigger); + mp_register_handler(irq, info->ioapic_trigger); data->entry.trigger = data->trigger = info->ioapic_trigger; data->entry.polarity = data->polarity = info->ioapic_polarity; } diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c index 28eba2d38b15..2683f36e4e0a 100644 --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -322,7 +322,7 @@ static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq, irq_data->chip = &lapic_controller; irq_data->chip_data = data; irq_data->hwirq = virq + i; - err = assign_irq_vector_policy(virq, irq_data->node, data, + err = assign_irq_vector_policy(virq + i, irq_data->node, data, info); if (err) goto error; @@ -409,12 +409,6 @@ static void __setup_vector_irq(int cpu) int irq, vector; struct apic_chip_data *data; - /* - * vector_lock will make sure that we don't run into irq vector - * assignments that might be happening on another cpu in parallel, - * while we setup our initial vector to irq mappings. - */ - raw_spin_lock(&vector_lock); /* Mark the inuse vectors */ for_each_active_irq(irq) { data = apic_chip_data(irq_get_irq_data(irq)); @@ -436,16 +430,16 @@ static void __setup_vector_irq(int cpu) if (!cpumask_test_cpu(cpu, data->domain)) per_cpu(vector_irq, cpu)[vector] = VECTOR_UNDEFINED; } - raw_spin_unlock(&vector_lock); } /* - * Setup the vector to irq mappings. + * Setup the vector to irq mappings. Must be called with vector_lock held. */ void setup_vector_irq(int cpu) { int irq; + lockdep_assert_held(&vector_lock); /* * On most of the platforms, legacy PIC delivers the interrupts on the * boot cpu. But there are certain platforms where PIC interrupts are diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 922c5e0cea4c..cb9e5df42dd2 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1410,7 +1410,7 @@ void cpu_init(void) load_sp0(t, ¤t->thread); set_tss_desc(cpu, t); load_TR_desc(); - load_LDT(&init_mm.context); + load_mm_ldt(&init_mm); clear_all_debug_regs(); dbg_restore_debug_regs(); @@ -1459,7 +1459,7 @@ void cpu_init(void) load_sp0(t, thread); set_tss_desc(cpu, t); load_TR_desc(); - load_LDT(&init_mm.context); + load_mm_ldt(&init_mm); t->x86_tss.io_bitmap_base = offsetof(struct tss_struct, io_bitmap); diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 3658de47900f..9469dfa55607 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -2179,21 +2179,25 @@ static unsigned long get_segment_base(unsigned int segment) int idx = segment >> 3; if ((segment & SEGMENT_TI_MASK) == SEGMENT_LDT) { + struct ldt_struct *ldt; + if (idx > LDT_ENTRIES) return 0; - if (idx > current->active_mm->context.size) + /* IRQs are off, so this synchronizes with smp_store_release */ + ldt = lockless_dereference(current->active_mm->context.ldt); + if (!ldt || idx > ldt->size) return 0; - desc = current->active_mm->context.ldt; + desc = &ldt->entries[idx]; } else { if (idx > GDT_ENTRIES) return 0; - desc = raw_cpu_ptr(gdt_page.gdt); + desc = raw_cpu_ptr(gdt_page.gdt) + idx; } - return get_desc_base(desc + idx); + return get_desc_base(desc); } #ifdef CONFIG_COMPAT diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index b9826a981fb2..6326ae24e4d5 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -2534,7 +2534,7 @@ static int intel_pmu_cpu_prepare(int cpu) if (x86_pmu.extra_regs || x86_pmu.lbr_sel_map) { cpuc->shared_regs = allocate_shared_regs(cpu); if (!cpuc->shared_regs) - return NOTIFY_BAD; + goto err; } if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) { @@ -2542,18 +2542,27 @@ static int intel_pmu_cpu_prepare(int cpu) cpuc->constraint_list = kzalloc(sz, GFP_KERNEL); if (!cpuc->constraint_list) - return NOTIFY_BAD; + goto err_shared_regs; cpuc->excl_cntrs = allocate_excl_cntrs(cpu); - if (!cpuc->excl_cntrs) { - kfree(cpuc->constraint_list); - kfree(cpuc->shared_regs); - return NOTIFY_BAD; - } + if (!cpuc->excl_cntrs) + goto err_constraint_list; + cpuc->excl_thread_id = 0; } return NOTIFY_OK; + +err_constraint_list: + kfree(cpuc->constraint_list); + cpuc->constraint_list = NULL; + +err_shared_regs: + kfree(cpuc->shared_regs); + cpuc->shared_regs = NULL; + +err: + return NOTIFY_BAD; } static void intel_pmu_cpu_starting(int cpu) diff --git a/arch/x86/kernel/cpu/perf_event_intel_cqm.c b/arch/x86/kernel/cpu/perf_event_intel_cqm.c index 188076161c1b..377e8f8ed391 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_cqm.c +++ b/arch/x86/kernel/cpu/perf_event_intel_cqm.c @@ -952,6 +952,14 @@ static u64 intel_cqm_event_count(struct perf_event *event) return 0; /* + * Getting up-to-date values requires an SMP IPI which is not + * possible if we're being called in interrupt context. Return + * the cached values instead. + */ + if (unlikely(in_interrupt())) + goto out; + + /* * Notice that we don't perform the reading of an RMID * atomically, because we can't hold a spin lock across the * IPIs. @@ -1247,7 +1255,7 @@ static inline void cqm_pick_event_reader(int cpu) cpumask_set_cpu(cpu, &cqm_cpumask); } -static void intel_cqm_cpu_prepare(unsigned int cpu) +static void intel_cqm_cpu_starting(unsigned int cpu) { struct intel_pqr_state *state = &per_cpu(pqr_state, cpu); struct cpuinfo_x86 *c = &cpu_data(cpu); @@ -1288,13 +1296,11 @@ static int intel_cqm_cpu_notifier(struct notifier_block *nb, unsigned int cpu = (unsigned long)hcpu; switch (action & ~CPU_TASKS_FROZEN) { - case CPU_UP_PREPARE: - intel_cqm_cpu_prepare(cpu); - break; case CPU_DOWN_PREPARE: intel_cqm_cpu_exit(cpu); break; case CPU_STARTING: + intel_cqm_cpu_starting(cpu); cqm_pick_event_reader(cpu); break; } @@ -1365,7 +1371,7 @@ static int __init intel_cqm_init(void) goto out; for_each_online_cpu(i) { - intel_cqm_cpu_prepare(i); + intel_cqm_cpu_starting(i); cqm_pick_event_reader(i); } diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c index 89427d8d4fc5..eec40f595ab9 100644 --- a/arch/x86/kernel/early_printk.c +++ b/arch/x86/kernel/early_printk.c @@ -175,7 +175,9 @@ static __init void early_serial_init(char *s) } if (*s) { - if (kstrtoul(s, 0, &baud) < 0 || baud == 0) + baud = simple_strtoull(s, &e, 0); + + if (baud == 0 || s == e) baud = DEFAULT_BAUD; } diff --git a/arch/x86/kernel/espfix_64.c b/arch/x86/kernel/espfix_64.c index f5d0730e7b08..ce95676abd60 100644 --- a/arch/x86/kernel/espfix_64.c +++ b/arch/x86/kernel/espfix_64.c @@ -131,25 +131,24 @@ void __init init_espfix_bsp(void) init_espfix_random(); /* The rest is the same as for any other processor */ - init_espfix_ap(); + init_espfix_ap(0); } -void init_espfix_ap(void) +void init_espfix_ap(int cpu) { - unsigned int cpu, page; + unsigned int page; unsigned long addr; pud_t pud, *pud_p; pmd_t pmd, *pmd_p; pte_t pte, *pte_p; - int n; + int n, node; void *stack_page; pteval_t ptemask; /* We only have to do this once... */ - if (likely(this_cpu_read(espfix_stack))) + if (likely(per_cpu(espfix_stack, cpu))) return; /* Already initialized */ - cpu = smp_processor_id(); addr = espfix_base_addr(cpu); page = cpu/ESPFIX_STACKS_PER_PAGE; @@ -165,12 +164,15 @@ void init_espfix_ap(void) if (stack_page) goto unlock_done; + node = cpu_to_node(cpu); ptemask = __supported_pte_mask; pud_p = &espfix_pud_page[pud_index(addr)]; pud = *pud_p; if (!pud_present(pud)) { - pmd_p = (pmd_t *)__get_free_page(PGALLOC_GFP); + struct page *page = alloc_pages_node(node, PGALLOC_GFP, 0); + + pmd_p = (pmd_t *)page_address(page); pud = __pud(__pa(pmd_p) | (PGTABLE_PROT & ptemask)); paravirt_alloc_pmd(&init_mm, __pa(pmd_p) >> PAGE_SHIFT); for (n = 0; n < ESPFIX_PUD_CLONES; n++) @@ -180,7 +182,9 @@ void init_espfix_ap(void) pmd_p = pmd_offset(&pud, addr); pmd = *pmd_p; if (!pmd_present(pmd)) { - pte_p = (pte_t *)__get_free_page(PGALLOC_GFP); + struct page *page = alloc_pages_node(node, PGALLOC_GFP, 0); + + pte_p = (pte_t *)page_address(page); pmd = __pmd(__pa(pte_p) | (PGTABLE_PROT & ptemask)); paravirt_alloc_pte(&init_mm, __pa(pte_p) >> PAGE_SHIFT); for (n = 0; n < ESPFIX_PMD_CLONES; n++) @@ -188,7 +192,7 @@ void init_espfix_ap(void) } pte_p = pte_offset_kernel(&pmd, addr); - stack_page = (void *)__get_free_page(GFP_KERNEL); + stack_page = page_address(alloc_pages_node(node, GFP_KERNEL, 0)); pte = __pte(__pa(stack_page) | (__PAGE_KERNEL_RO & ptemask)); for (n = 0; n < ESPFIX_PTE_CLONES; n++) set_pte(&pte_p[n*PTE_STRIDE], pte); @@ -199,7 +203,7 @@ void init_espfix_ap(void) unlock_done: mutex_unlock(&espfix_init_mutex); done: - this_cpu_write(espfix_stack, addr); - this_cpu_write(espfix_waddr, (unsigned long)stack_page - + (addr & ~PAGE_MASK)); + per_cpu(espfix_stack, cpu) = addr; + per_cpu(espfix_waddr, cpu) = (unsigned long)stack_page + + (addr & ~PAGE_MASK); } diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index 79de954626fd..d25097c3fc1d 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -270,7 +270,7 @@ int fpu__copy(struct fpu *dst_fpu, struct fpu *src_fpu) dst_fpu->fpregs_active = 0; dst_fpu->last_cpu = -1; - if (src_fpu->fpstate_active) + if (src_fpu->fpstate_active && cpu_has_fpu) fpu_copy(dst_fpu, src_fpu); return 0; diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c index 32826791e675..d14e9ac3235a 100644 --- a/arch/x86/kernel/fpu/init.c +++ b/arch/x86/kernel/fpu/init.c @@ -4,6 +4,8 @@ #include <asm/fpu/internal.h> #include <asm/tlbflush.h> +#include <linux/sched.h> + /* * Initialize the TS bit in CR0 according to the style of context-switches * we are using: @@ -38,7 +40,12 @@ static void fpu__init_cpu_generic(void) write_cr0(cr0); /* Flush out any pending x87 state: */ - asm volatile ("fninit"); +#ifdef CONFIG_MATH_EMULATION + if (!cpu_has_fpu) + fpstate_init_soft(¤t->thread.fpu.state.soft); + else +#endif + asm volatile ("fninit"); } /* @@ -136,6 +143,43 @@ static void __init fpu__init_system_generic(void) unsigned int xstate_size; EXPORT_SYMBOL_GPL(xstate_size); +/* Enforce that 'MEMBER' is the last field of 'TYPE': */ +#define CHECK_MEMBER_AT_END_OF(TYPE, MEMBER) \ + BUILD_BUG_ON(sizeof(TYPE) != offsetofend(TYPE, MEMBER)) + +/* + * We append the 'struct fpu' to the task_struct: + */ +static void __init fpu__init_task_struct_size(void) +{ + int task_size = sizeof(struct task_struct); + + /* + * Subtract off the static size of the register state. + * It potentially has a bunch of padding. + */ + task_size -= sizeof(((struct task_struct *)0)->thread.fpu.state); + + /* + * Add back the dynamically-calculated register state + * size. + */ + task_size += xstate_size; + + /* + * We dynamically size 'struct fpu', so we require that + * it be at the end of 'thread_struct' and that + * 'thread_struct' be at the end of 'task_struct'. If + * you hit a compile error here, check the structure to + * see if something got added to the end. + */ + CHECK_MEMBER_AT_END_OF(struct fpu, state); + CHECK_MEMBER_AT_END_OF(struct thread_struct, fpu); + CHECK_MEMBER_AT_END_OF(struct task_struct, thread); + + arch_task_struct_size = task_size; +} + /* * Set up the xstate_size based on the legacy FPU context size. * @@ -287,6 +331,7 @@ void __init fpu__init_system(struct cpuinfo_x86 *c) fpu__init_system_generic(); fpu__init_system_xstate_size_legacy(); fpu__init_system_xstate(); + fpu__init_task_struct_size(); fpu__init_system_ctx_switch(); } @@ -311,9 +356,15 @@ static int __init x86_noxsave_setup(char *s) setup_clear_cpu_cap(X86_FEATURE_XSAVE); setup_clear_cpu_cap(X86_FEATURE_XSAVEOPT); + setup_clear_cpu_cap(X86_FEATURE_XSAVEC); setup_clear_cpu_cap(X86_FEATURE_XSAVES); setup_clear_cpu_cap(X86_FEATURE_AVX); setup_clear_cpu_cap(X86_FEATURE_AVX2); + setup_clear_cpu_cap(X86_FEATURE_AVX512F); + setup_clear_cpu_cap(X86_FEATURE_AVX512PF); + setup_clear_cpu_cap(X86_FEATURE_AVX512ER); + setup_clear_cpu_cap(X86_FEATURE_AVX512CD); + setup_clear_cpu_cap(X86_FEATURE_MPX); return 1; } diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 5a4668136e98..f129a9af6357 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -161,11 +161,12 @@ asmlinkage __visible void __init x86_64_start_kernel(char * real_mode_data) /* Kill off the identity-map trampoline */ reset_early_page_tables(); - kasan_map_early_shadow(early_level4_pgt); - - /* clear bss before set_intr_gate with early_idt_handler */ clear_bss(); + clear_page(init_level4_pgt); + + kasan_early_init(); + for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) set_intr_gate(i, early_idt_handler_array[i]); load_idt((const struct desc_ptr *)&idt_descr); @@ -177,12 +178,9 @@ asmlinkage __visible void __init x86_64_start_kernel(char * real_mode_data) */ load_ucode_bsp(); - clear_page(init_level4_pgt); /* set init_level4_pgt kernel high mapping*/ init_level4_pgt[511] = early_level4_pgt[511]; - kasan_map_early_shadow(init_level4_pgt); - x86_64_start_reservations(real_mode_data); } diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index e5c27f729a38..1d40ca8a73f2 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -516,38 +516,9 @@ ENTRY(phys_base) /* This must match the first entry in level2_kernel_pgt */ .quad 0x0000000000000000 -#ifdef CONFIG_KASAN -#define FILL(VAL, COUNT) \ - .rept (COUNT) ; \ - .quad (VAL) ; \ - .endr - -NEXT_PAGE(kasan_zero_pte) - FILL(kasan_zero_page - __START_KERNEL_map + _KERNPG_TABLE, 512) -NEXT_PAGE(kasan_zero_pmd) - FILL(kasan_zero_pte - __START_KERNEL_map + _KERNPG_TABLE, 512) -NEXT_PAGE(kasan_zero_pud) - FILL(kasan_zero_pmd - __START_KERNEL_map + _KERNPG_TABLE, 512) - -#undef FILL -#endif - - #include "../../x86/xen/xen-head.S" __PAGE_ALIGNED_BSS NEXT_PAGE(empty_zero_page) .skip PAGE_SIZE -#ifdef CONFIG_KASAN -/* - * This page used as early shadow. We don't use empty_zero_page - * at early stages, stack instrumentation could write some garbage - * to this page. - * Latter we reuse it as zero shadow for large ranges of memory - * that allowed to access, but not instrumented by kasan - * (vmalloc/vmemmap ...). - */ -NEXT_PAGE(kasan_zero_page) - .skip PAGE_SIZE -#endif diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 88b366487b0e..c7dfe1be784e 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -347,14 +347,22 @@ int check_irq_vectors_for_cpu_disable(void) if (!desc) continue; + /* + * Protect against concurrent action removal, + * affinity changes etc. + */ + raw_spin_lock(&desc->lock); data = irq_desc_get_irq_data(desc); cpumask_copy(&affinity_new, data->affinity); cpumask_clear_cpu(this_cpu, &affinity_new); /* Do not count inactive or per-cpu irqs. */ - if (!irq_has_action(irq) || irqd_is_per_cpu(data)) + if (!irq_has_action(irq) || irqd_is_per_cpu(data)) { + raw_spin_unlock(&desc->lock); continue; + } + raw_spin_unlock(&desc->lock); /* * A single irq may be mapped to multiple * cpu's vector_irq[] (for example IOAPIC cluster @@ -385,6 +393,9 @@ int check_irq_vectors_for_cpu_disable(void) * vector. If the vector is marked in the used vectors * bitmap or an irq is assigned to it, we don't count * it as available. + * + * As this is an inaccurate snapshot anyway, we can do + * this w/o holding vector_lock. */ for (vector = FIRST_EXTERNAL_VECTOR; vector < first_system_vector; vector++) { @@ -486,6 +497,11 @@ void fixup_irqs(void) */ mdelay(1); + /* + * We can walk the vector array of this cpu without holding + * vector_lock because the cpu is already marked !online, so + * nothing else will touch it. + */ for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) { unsigned int irr; @@ -497,9 +513,9 @@ void fixup_irqs(void) irq = __this_cpu_read(vector_irq[vector]); desc = irq_to_desc(irq); + raw_spin_lock(&desc->lock); data = irq_desc_get_irq_data(desc); chip = irq_data_get_irq_chip(data); - raw_spin_lock(&desc->lock); if (chip->irq_retrigger) { chip->irq_retrigger(data); __this_cpu_write(vector_irq[vector], VECTOR_RETRIGGERED); diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c index c37886d759cc..2bcc0525f1c1 100644 --- a/arch/x86/kernel/ldt.c +++ b/arch/x86/kernel/ldt.c @@ -12,6 +12,7 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/smp.h> +#include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/uaccess.h> @@ -20,82 +21,82 @@ #include <asm/mmu_context.h> #include <asm/syscalls.h> -#ifdef CONFIG_SMP +/* context.lock is held for us, so we don't need any locking. */ static void flush_ldt(void *current_mm) { - if (current->active_mm == current_mm) - load_LDT(¤t->active_mm->context); + mm_context_t *pc; + + if (current->active_mm != current_mm) + return; + + pc = ¤t->active_mm->context; + set_ldt(pc->ldt->entries, pc->ldt->size); } -#endif -static int alloc_ldt(mm_context_t *pc, int mincount, int reload) +/* The caller must call finalize_ldt_struct on the result. LDT starts zeroed. */ +static struct ldt_struct *alloc_ldt_struct(int size) { - void *oldldt, *newldt; - int oldsize; - - if (mincount <= pc->size) - return 0; - oldsize = pc->size; - mincount = (mincount + (PAGE_SIZE / LDT_ENTRY_SIZE - 1)) & - (~(PAGE_SIZE / LDT_ENTRY_SIZE - 1)); - if (mincount * LDT_ENTRY_SIZE > PAGE_SIZE) - newldt = vmalloc(mincount * LDT_ENTRY_SIZE); + struct ldt_struct *new_ldt; + int alloc_size; + + if (size > LDT_ENTRIES) + return NULL; + + new_ldt = kmalloc(sizeof(struct ldt_struct), GFP_KERNEL); + if (!new_ldt) + return NULL; + + BUILD_BUG_ON(LDT_ENTRY_SIZE != sizeof(struct desc_struct)); + alloc_size = size * LDT_ENTRY_SIZE; + + /* + * Xen is very picky: it requires a page-aligned LDT that has no + * trailing nonzero bytes in any page that contains LDT descriptors. + * Keep it simple: zero the whole allocation and never allocate less + * than PAGE_SIZE. + */ + if (alloc_size > PAGE_SIZE) + new_ldt->entries = vzalloc(alloc_size); else - newldt = (void *)__get_free_page(GFP_KERNEL); - - if (!newldt) - return -ENOMEM; + new_ldt->entries = kzalloc(PAGE_SIZE, GFP_KERNEL); - if (oldsize) - memcpy(newldt, pc->ldt, oldsize * LDT_ENTRY_SIZE); - oldldt = pc->ldt; - memset(newldt + oldsize * LDT_ENTRY_SIZE, 0, - (mincount - oldsize) * LDT_ENTRY_SIZE); + if (!new_ldt->entries) { + kfree(new_ldt); + return NULL; + } - paravirt_alloc_ldt(newldt, mincount); + new_ldt->size = size; + return new_ldt; +} -#ifdef CONFIG_X86_64 - /* CHECKME: Do we really need this ? */ - wmb(); -#endif - pc->ldt = newldt; - wmb(); - pc->size = mincount; - wmb(); - - if (reload) { -#ifdef CONFIG_SMP - preempt_disable(); - load_LDT(pc); - if (!cpumask_equal(mm_cpumask(current->mm), - cpumask_of(smp_processor_id()))) - smp_call_function(flush_ldt, current->mm, 1); - preempt_enable(); -#else - load_LDT(pc); -#endif - } - if (oldsize) { - paravirt_free_ldt(oldldt, oldsize); - if (oldsize * LDT_ENTRY_SIZE > PAGE_SIZE) - vfree(oldldt); - else - put_page(virt_to_page(oldldt)); - } - return 0; +/* After calling this, the LDT is immutable. */ +static void finalize_ldt_struct(struct ldt_struct *ldt) +{ + paravirt_alloc_ldt(ldt->entries, ldt->size); } -static inline int copy_ldt(mm_context_t *new, mm_context_t *old) +/* context.lock is held */ +static void install_ldt(struct mm_struct *current_mm, + struct ldt_struct *ldt) { - int err = alloc_ldt(new, old->size, 0); - int i; + /* Synchronizes with lockless_dereference in load_mm_ldt. */ + smp_store_release(¤t_mm->context.ldt, ldt); + + /* Activate the LDT for all CPUs using current_mm. */ + on_each_cpu_mask(mm_cpumask(current_mm), flush_ldt, current_mm, true); +} - if (err < 0) - return err; +static void free_ldt_struct(struct ldt_struct *ldt) +{ + if (likely(!ldt)) + return; - for (i = 0; i < old->size; i++) - write_ldt_entry(new->ldt, i, old->ldt + i * LDT_ENTRY_SIZE); - return 0; + paravirt_free_ldt(ldt->entries, ldt->size); + if (ldt->size * LDT_ENTRY_SIZE > PAGE_SIZE) + vfree(ldt->entries); + else + kfree(ldt->entries); + kfree(ldt); } /* @@ -104,17 +105,37 @@ static inline int copy_ldt(mm_context_t *new, mm_context_t *old) */ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) { + struct ldt_struct *new_ldt; struct mm_struct *old_mm; int retval = 0; mutex_init(&mm->context.lock); - mm->context.size = 0; old_mm = current->mm; - if (old_mm && old_mm->context.size > 0) { - mutex_lock(&old_mm->context.lock); - retval = copy_ldt(&mm->context, &old_mm->context); - mutex_unlock(&old_mm->context.lock); + if (!old_mm) { + mm->context.ldt = NULL; + return 0; } + + mutex_lock(&old_mm->context.lock); + if (!old_mm->context.ldt) { + mm->context.ldt = NULL; + goto out_unlock; + } + + new_ldt = alloc_ldt_struct(old_mm->context.ldt->size); + if (!new_ldt) { + retval = -ENOMEM; + goto out_unlock; + } + + memcpy(new_ldt->entries, old_mm->context.ldt->entries, + new_ldt->size * LDT_ENTRY_SIZE); + finalize_ldt_struct(new_ldt); + + mm->context.ldt = new_ldt; + +out_unlock: + mutex_unlock(&old_mm->context.lock); return retval; } @@ -125,53 +146,47 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) */ void destroy_context(struct mm_struct *mm) { - if (mm->context.size) { -#ifdef CONFIG_X86_32 - /* CHECKME: Can this ever happen ? */ - if (mm == current->active_mm) - clear_LDT(); -#endif - paravirt_free_ldt(mm->context.ldt, mm->context.size); - if (mm->context.size * LDT_ENTRY_SIZE > PAGE_SIZE) - vfree(mm->context.ldt); - else - put_page(virt_to_page(mm->context.ldt)); - mm->context.size = 0; - } + free_ldt_struct(mm->context.ldt); + mm->context.ldt = NULL; } static int read_ldt(void __user *ptr, unsigned long bytecount) { - int err; + int retval; unsigned long size; struct mm_struct *mm = current->mm; - if (!mm->context.size) - return 0; + mutex_lock(&mm->context.lock); + + if (!mm->context.ldt) { + retval = 0; + goto out_unlock; + } + if (bytecount > LDT_ENTRY_SIZE * LDT_ENTRIES) bytecount = LDT_ENTRY_SIZE * LDT_ENTRIES; - mutex_lock(&mm->context.lock); - size = mm->context.size * LDT_ENTRY_SIZE; + size = mm->context.ldt->size * LDT_ENTRY_SIZE; if (size > bytecount) size = bytecount; - err = 0; - if (copy_to_user(ptr, mm->context.ldt, size)) - err = -EFAULT; - mutex_unlock(&mm->context.lock); - if (err < 0) - goto error_return; + if (copy_to_user(ptr, mm->context.ldt->entries, size)) { + retval = -EFAULT; + goto out_unlock; + } + if (size != bytecount) { - /* zero-fill the rest */ - if (clear_user(ptr + size, bytecount - size) != 0) { - err = -EFAULT; - goto error_return; + /* Zero-fill the rest and pretend we read bytecount bytes. */ + if (clear_user(ptr + size, bytecount - size)) { + retval = -EFAULT; + goto out_unlock; } } - return bytecount; -error_return: - return err; + retval = bytecount; + +out_unlock: + mutex_unlock(&mm->context.lock); + return retval; } static int read_default_ldt(void __user *ptr, unsigned long bytecount) @@ -195,6 +210,8 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode) struct desc_struct ldt; int error; struct user_desc ldt_info; + int oldsize, newsize; + struct ldt_struct *new_ldt, *old_ldt; error = -EINVAL; if (bytecount != sizeof(ldt_info)) @@ -213,34 +230,39 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode) goto out; } - mutex_lock(&mm->context.lock); - if (ldt_info.entry_number >= mm->context.size) { - error = alloc_ldt(¤t->mm->context, - ldt_info.entry_number + 1, 1); - if (error < 0) - goto out_unlock; - } - - /* Allow LDTs to be cleared by the user. */ - if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { - if (oldmode || LDT_empty(&ldt_info)) { - memset(&ldt, 0, sizeof(ldt)); - goto install; + if ((oldmode && !ldt_info.base_addr && !ldt_info.limit) || + LDT_empty(&ldt_info)) { + /* The user wants to clear the entry. */ + memset(&ldt, 0, sizeof(ldt)); + } else { + if (!IS_ENABLED(CONFIG_X86_16BIT) && !ldt_info.seg_32bit) { + error = -EINVAL; + goto out; } + + fill_ldt(&ldt, &ldt_info); + if (oldmode) + ldt.avl = 0; } - if (!IS_ENABLED(CONFIG_X86_16BIT) && !ldt_info.seg_32bit) { - error = -EINVAL; + mutex_lock(&mm->context.lock); + + old_ldt = mm->context.ldt; + oldsize = old_ldt ? old_ldt->size : 0; + newsize = max((int)(ldt_info.entry_number + 1), oldsize); + + error = -ENOMEM; + new_ldt = alloc_ldt_struct(newsize); + if (!new_ldt) goto out_unlock; - } - fill_ldt(&ldt, &ldt_info); - if (oldmode) - ldt.avl = 0; + if (old_ldt) + memcpy(new_ldt->entries, old_ldt->entries, oldsize * LDT_ENTRY_SIZE); + new_ldt->entries[ldt_info.entry_number] = ldt; + finalize_ldt_struct(new_ldt); - /* Install the new entry ... */ -install: - write_ldt_entry(mm->context.ldt, ldt_info.entry_number, &ldt); + install_ldt(mm, new_ldt); + free_ldt_struct(old_ldt); error = 0; out_unlock: diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c index c3e985d1751c..d05bd2e2ee91 100644 --- a/arch/x86/kernel/nmi.c +++ b/arch/x86/kernel/nmi.c @@ -408,15 +408,15 @@ static void default_do_nmi(struct pt_regs *regs) NOKPROBE_SYMBOL(default_do_nmi); /* - * NMIs can hit breakpoints which will cause it to lose its - * NMI context with the CPU when the breakpoint does an iret. - */ -#ifdef CONFIG_X86_32 -/* - * For i386, NMIs use the same stack as the kernel, and we can - * add a workaround to the iret problem in C (preventing nested - * NMIs if an NMI takes a trap). Simply have 3 states the NMI - * can be in: + * NMIs can page fault or hit breakpoints which will cause it to lose + * its NMI context with the CPU when the breakpoint or page fault does an IRET. + * + * As a result, NMIs can nest if NMIs get unmasked due an IRET during + * NMI processing. On x86_64, the asm glue protects us from nested NMIs + * if the outer NMI came from kernel mode, but we can still nest if the + * outer NMI came from user mode. + * + * To handle these nested NMIs, we have three states: * * 1) not running * 2) executing @@ -430,15 +430,14 @@ NOKPROBE_SYMBOL(default_do_nmi); * (Note, the latch is binary, thus multiple NMIs triggering, * when one is running, are ignored. Only one NMI is restarted.) * - * If an NMI hits a breakpoint that executes an iret, another - * NMI can preempt it. We do not want to allow this new NMI - * to run, but we want to execute it when the first one finishes. - * We set the state to "latched", and the exit of the first NMI will - * perform a dec_return, if the result is zero (NOT_RUNNING), then - * it will simply exit the NMI handler. If not, the dec_return - * would have set the state to NMI_EXECUTING (what we want it to - * be when we are running). In this case, we simply jump back - * to rerun the NMI handler again, and restart the 'latched' NMI. + * If an NMI executes an iret, another NMI can preempt it. We do not + * want to allow this new NMI to run, but we want to execute it when the + * first one finishes. We set the state to "latched", and the exit of + * the first NMI will perform a dec_return, if the result is zero + * (NOT_RUNNING), then it will simply exit the NMI handler. If not, the + * dec_return would have set the state to NMI_EXECUTING (what we want it + * to be when we are running). In this case, we simply jump back to + * rerun the NMI handler again, and restart the 'latched' NMI. * * No trap (breakpoint or page fault) should be hit before nmi_restart, * thus there is no race between the first check of state for NOT_RUNNING @@ -461,49 +460,36 @@ enum nmi_states { static DEFINE_PER_CPU(enum nmi_states, nmi_state); static DEFINE_PER_CPU(unsigned long, nmi_cr2); -#define nmi_nesting_preprocess(regs) \ - do { \ - if (this_cpu_read(nmi_state) != NMI_NOT_RUNNING) { \ - this_cpu_write(nmi_state, NMI_LATCHED); \ - return; \ - } \ - this_cpu_write(nmi_state, NMI_EXECUTING); \ - this_cpu_write(nmi_cr2, read_cr2()); \ - } while (0); \ - nmi_restart: - -#define nmi_nesting_postprocess() \ - do { \ - if (unlikely(this_cpu_read(nmi_cr2) != read_cr2())) \ - write_cr2(this_cpu_read(nmi_cr2)); \ - if (this_cpu_dec_return(nmi_state)) \ - goto nmi_restart; \ - } while (0) -#else /* x86_64 */ +#ifdef CONFIG_X86_64 /* - * In x86_64 things are a bit more difficult. This has the same problem - * where an NMI hitting a breakpoint that calls iret will remove the - * NMI context, allowing a nested NMI to enter. What makes this more - * difficult is that both NMIs and breakpoints have their own stack. - * When a new NMI or breakpoint is executed, the stack is set to a fixed - * point. If an NMI is nested, it will have its stack set at that same - * fixed address that the first NMI had, and will start corrupting the - * stack. This is handled in entry_64.S, but the same problem exists with - * the breakpoint stack. + * In x86_64, we need to handle breakpoint -> NMI -> breakpoint. Without + * some care, the inner breakpoint will clobber the outer breakpoint's + * stack. * - * If a breakpoint is being processed, and the debug stack is being used, - * if an NMI comes in and also hits a breakpoint, the stack pointer - * will be set to the same fixed address as the breakpoint that was - * interrupted, causing that stack to be corrupted. To handle this case, - * check if the stack that was interrupted is the debug stack, and if - * so, change the IDT so that new breakpoints will use the current stack - * and not switch to the fixed address. On return of the NMI, switch back - * to the original IDT. + * If a breakpoint is being processed, and the debug stack is being + * used, if an NMI comes in and also hits a breakpoint, the stack + * pointer will be set to the same fixed address as the breakpoint that + * was interrupted, causing that stack to be corrupted. To handle this + * case, check if the stack that was interrupted is the debug stack, and + * if so, change the IDT so that new breakpoints will use the current + * stack and not switch to the fixed address. On return of the NMI, + * switch back to the original IDT. */ static DEFINE_PER_CPU(int, update_debug_stack); +#endif -static inline void nmi_nesting_preprocess(struct pt_regs *regs) +dotraplinkage notrace void +do_nmi(struct pt_regs *regs, long error_code) { + if (this_cpu_read(nmi_state) != NMI_NOT_RUNNING) { + this_cpu_write(nmi_state, NMI_LATCHED); + return; + } + this_cpu_write(nmi_state, NMI_EXECUTING); + this_cpu_write(nmi_cr2, read_cr2()); +nmi_restart: + +#ifdef CONFIG_X86_64 /* * If we interrupted a breakpoint, it is possible that * the nmi handler will have breakpoints too. We need to @@ -514,22 +500,8 @@ static inline void nmi_nesting_preprocess(struct pt_regs *regs) debug_stack_set_zero(); this_cpu_write(update_debug_stack, 1); } -} - -static inline void nmi_nesting_postprocess(void) -{ - if (unlikely(this_cpu_read(update_debug_stack))) { - debug_stack_reset(); - this_cpu_write(update_debug_stack, 0); - } -} #endif -dotraplinkage notrace void -do_nmi(struct pt_regs *regs, long error_code) -{ - nmi_nesting_preprocess(regs); - nmi_enter(); inc_irq_stat(__nmi_count); @@ -539,8 +511,17 @@ do_nmi(struct pt_regs *regs, long error_code) nmi_exit(); - /* On i386, may loop back to preprocess */ - nmi_nesting_postprocess(); +#ifdef CONFIG_X86_64 + if (unlikely(this_cpu_read(update_debug_stack))) { + debug_stack_reset(); + this_cpu_write(update_debug_stack, 0); + } +#endif + + if (unlikely(this_cpu_read(nmi_cr2) != read_cr2())) + write_cr2(this_cpu_read(nmi_cr2)); + if (this_cpu_dec_return(nmi_state)) + goto nmi_restart; } NOKPROBE_SYMBOL(do_nmi); diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 9cad694ed7c4..c27cad726765 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -81,7 +81,7 @@ EXPORT_SYMBOL_GPL(idle_notifier_unregister); */ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) { - *dst = *src; + memcpy(dst, src, arch_task_struct_size); return fpu__copy(&dst->thread.fpu, &src->thread.fpu); } @@ -408,6 +408,7 @@ static int prefer_mwait_c1_over_halt(const struct cpuinfo_x86 *c) static void mwait_idle(void) { if (!current_set_polling_and_test()) { + trace_cpu_idle_rcuidle(1, smp_processor_id()); if (this_cpu_has(X86_BUG_CLFLUSH_MONITOR)) { smp_mb(); /* quirk */ clflush((void *)¤t_thread_info()->flags); @@ -419,6 +420,7 @@ static void mwait_idle(void) __sti_mwait(0, 0); else local_irq_enable(); + trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id()); } else { local_irq_enable(); } diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 71d7849a07f7..f6b916387590 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -121,11 +121,11 @@ void __show_regs(struct pt_regs *regs, int all) void release_thread(struct task_struct *dead_task) { if (dead_task->mm) { - if (dead_task->mm->context.size) { + if (dead_task->mm->context.ldt) { pr_warn("WARNING: dead process %s still has LDT? <%p/%d>\n", dead_task->comm, dead_task->mm->context.ldt, - dead_task->mm->context.size); + dead_task->mm->context.ldt->size); BUG(); } } diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 206996c1669d..71820c42b6ce 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -93,8 +93,15 @@ int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) COPY(r15); #endif /* CONFIG_X86_64 */ +#ifdef CONFIG_X86_32 COPY_SEG_CPL3(cs); COPY_SEG_CPL3(ss); +#else /* !CONFIG_X86_32 */ + /* Kernel saves and restores only the CS segment register on signals, + * which is the bare minimum needed to allow mixed 32/64-bit code. + * App's signal handler can save/restore other segments if needed. */ + COPY_SEG_CPL3(cs); +#endif /* CONFIG_X86_32 */ get_user_ex(tmpflags, &sc->flags); regs->flags = (regs->flags & ~FIX_EFLAGS) | (tmpflags & FIX_EFLAGS); @@ -154,9 +161,8 @@ int setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate, #else /* !CONFIG_X86_32 */ put_user_ex(regs->flags, &sc->flags); put_user_ex(regs->cs, &sc->cs); - put_user_ex(0, &sc->__pad2); - put_user_ex(0, &sc->__pad1); - put_user_ex(regs->ss, &sc->ss); + put_user_ex(0, &sc->gs); + put_user_ex(0, &sc->fs); #endif /* CONFIG_X86_32 */ put_user_ex(fpstate, &sc->fpstate); @@ -451,19 +457,9 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig, regs->sp = (unsigned long)frame; - /* - * Set up the CS and SS registers to run signal handlers in - * 64-bit mode, even if the handler happens to be interrupting - * 32-bit or 16-bit code. - * - * SS is subtle. In 64-bit mode, we don't need any particular - * SS descriptor, but we do need SS to be valid. It's possible - * that the old SS is entirely bogus -- this can happen if the - * signal we're trying to deliver is #GP or #SS caused by a bad - * SS value. - */ + /* Set up the CS register to run signal handlers in 64-bit mode, + even if the handler happens to be interrupting 32-bit code. */ regs->cs = __USER_CS; - regs->ss = __USER_DS; return 0; } diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 8add66b22f33..b1f3ed9c7a9e 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -171,11 +171,6 @@ static void smp_callin(void) apic_ap_setup(); /* - * Need to setup vector mappings before we enable interrupts. - */ - setup_vector_irq(smp_processor_id()); - - /* * Save our processor parameters. Note: this information * is needed for clock calibration. */ @@ -239,18 +234,13 @@ static void notrace start_secondary(void *unused) check_tsc_sync_target(); /* - * Enable the espfix hack for this CPU - */ -#ifdef CONFIG_X86_ESPFIX64 - init_espfix_ap(); -#endif - - /* - * We need to hold vector_lock so there the set of online cpus - * does not change while we are assigning vectors to cpus. Holding - * this lock ensures we don't half assign or remove an irq from a cpu. + * Lock vector_lock and initialize the vectors on this cpu + * before setting the cpu online. We must set it online with + * vector_lock held to prevent a concurrent setup/teardown + * from seeing a half valid vector space. */ lock_vector_lock(); + setup_vector_irq(smp_processor_id()); set_cpu_online(smp_processor_id(), true); unlock_vector_lock(); cpu_set_state_online(smp_processor_id()); @@ -854,6 +844,13 @@ static int do_boot_cpu(int apicid, int cpu, struct task_struct *idle) initial_code = (unsigned long)start_secondary; stack_start = idle->thread.sp; + /* + * Enable the espfix hack for this CPU + */ +#ifdef CONFIG_X86_ESPFIX64 + init_espfix_ap(cpu); +#endif + /* So we see what's up */ announce_cpu(cpu, apicid); @@ -995,8 +992,17 @@ int native_cpu_up(unsigned int cpu, struct task_struct *tidle) common_cpu_up(cpu, tidle); + /* + * We have to walk the irq descriptors to setup the vector + * space for the cpu which comes online. Prevent irq + * alloc/free across the bringup. + */ + irq_lock_sparse(); + err = do_boot_cpu(apicid, cpu, tidle); + if (err) { + irq_unlock_sparse(); pr_err("do_boot_cpu failed(%d) to wakeup CPU#%u\n", err, cpu); return -EIO; } @@ -1014,6 +1020,8 @@ int native_cpu_up(unsigned int cpu, struct task_struct *tidle) touch_nmi_watchdog(); } + irq_unlock_sparse(); + return 0; } diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c index 9b4d51d0c0d0..0ccb53a9fcd9 100644 --- a/arch/x86/kernel/step.c +++ b/arch/x86/kernel/step.c @@ -5,6 +5,7 @@ #include <linux/mm.h> #include <linux/ptrace.h> #include <asm/desc.h> +#include <asm/mmu_context.h> unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs) { @@ -27,13 +28,14 @@ unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *re struct desc_struct *desc; unsigned long base; - seg &= ~7UL; + seg >>= 3; mutex_lock(&child->mm->context.lock); - if (unlikely((seg >> 3) >= child->mm->context.size)) + if (unlikely(!child->mm->context.ldt || + seg >= child->mm->context.ldt->size)) addr = -1L; /* bogus selector, access would fault */ else { - desc = child->mm->context.ldt + seg; + desc = &child->mm->context.ldt->entries[seg]; base = get_desc_base(desc); /* 16-bit code segment? */ diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 505449700e0c..7437b41f6a47 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -598,10 +598,19 @@ static unsigned long quick_pit_calibrate(void) if (!pit_expect_msb(0xff-i, &delta, &d2)) break; + delta -= tsc; + + /* + * Extrapolate the error and fail fast if the error will + * never be below 500 ppm. + */ + if (i == 1 && + d1 + d2 >= (delta * MAX_QUICK_PIT_ITERATIONS) >> 11) + return 0; + /* * Iterate until the error is less than 500 ppm */ - delta -= tsc; if (d1+d2 >= delta >> 11) continue; diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 64dd46793099..2fbea2544f24 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -98,6 +98,8 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu) best->ebx = xstate_required_size(vcpu->arch.xcr0, true); vcpu->arch.eager_fpu = use_eager_fpu() || guest_cpuid_has_mpx(vcpu); + if (vcpu->arch.eager_fpu) + kvm_x86_ops->fpu_activate(vcpu); /* * The existing code assumes virtual address is 48-bit in the canonical diff --git a/arch/x86/kvm/iommu.c b/arch/x86/kvm/iommu.c index 7dbced309ddb..5c520ebf6343 100644 --- a/arch/x86/kvm/iommu.c +++ b/arch/x86/kvm/iommu.c @@ -200,6 +200,7 @@ int kvm_assign_device(struct kvm *kvm, struct pci_dev *pdev) goto out_unmap; } + kvm_arch_start_assignment(kvm); pci_set_dev_assigned(pdev); dev_info(&pdev->dev, "kvm assign device\n"); @@ -224,6 +225,7 @@ int kvm_deassign_device(struct kvm *kvm, struct pci_dev *pdev) iommu_detach_device(domain, &pdev->dev); pci_clear_dev_assigned(pdev); + kvm_arch_end_assignment(kvm); dev_info(&pdev->dev, "kvm deassign device\n"); diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 954e98a8c2e3..2a5ca97c263b 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1595,7 +1595,7 @@ void kvm_lapic_reset(struct kvm_vcpu *vcpu, bool init_event) for (i = 0; i < APIC_LVT_NUM; i++) apic_set_reg(apic, APIC_LVTT + 0x10 * i, APIC_LVT_MASKED); apic_update_lvtt(apic); - if (!(vcpu->kvm->arch.disabled_quirks & KVM_QUIRK_LINT0_REENABLED)) + if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_LINT0_REENABLED)) apic_set_reg(apic, APIC_LVT0, SET_APIC_DELIVERY_MODE(0, APIC_MODE_EXTINT)); apic_manage_nmi_watchdog(apic, kvm_apic_get_reg(apic, APIC_LVT0)); diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index f807496b62c2..44171462bd2a 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2479,6 +2479,14 @@ static int mmu_need_write_protect(struct kvm_vcpu *vcpu, gfn_t gfn, return 0; } +static bool kvm_is_mmio_pfn(pfn_t pfn) +{ + if (pfn_valid(pfn)) + return !is_zero_pfn(pfn) && PageReserved(pfn_to_page(pfn)); + + return true; +} + static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep, unsigned pte_access, int level, gfn_t gfn, pfn_t pfn, bool speculative, @@ -2506,7 +2514,7 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep, spte |= PT_PAGE_SIZE_MASK; if (tdp_enabled) spte |= kvm_x86_ops->get_mt_mask(vcpu, gfn, - kvm_is_reserved_pfn(pfn)); + kvm_is_mmio_pfn(pfn)); if (host_writable) spte |= SPTE_HOST_WRITEABLE; diff --git a/arch/x86/kvm/mtrr.c b/arch/x86/kvm/mtrr.c index de1d2d8062e2..9e8bf13572e6 100644 --- a/arch/x86/kvm/mtrr.c +++ b/arch/x86/kvm/mtrr.c @@ -120,6 +120,16 @@ static u8 mtrr_default_type(struct kvm_mtrr *mtrr_state) return mtrr_state->deftype & IA32_MTRR_DEF_TYPE_TYPE_MASK; } +static u8 mtrr_disabled_type(void) +{ + /* + * Intel SDM 11.11.2.2: all MTRRs are disabled when + * IA32_MTRR_DEF_TYPE.E bit is cleared, and the UC + * memory type is applied to all of physical memory. + */ + return MTRR_TYPE_UNCACHABLE; +} + /* * Three terms are used in the following code: * - segment, it indicates the address segments covered by fixed MTRRs. @@ -434,6 +444,8 @@ struct mtrr_iter { /* output fields. */ int mem_type; + /* mtrr is completely disabled? */ + bool mtrr_disabled; /* [start, end) is not fully covered in MTRRs? */ bool partial_map; @@ -549,7 +561,7 @@ static void mtrr_lookup_var_next(struct mtrr_iter *iter) static void mtrr_lookup_start(struct mtrr_iter *iter) { if (!mtrr_is_enabled(iter->mtrr_state)) { - iter->partial_map = true; + iter->mtrr_disabled = true; return; } @@ -563,6 +575,7 @@ static void mtrr_lookup_init(struct mtrr_iter *iter, iter->mtrr_state = mtrr_state; iter->start = start; iter->end = end; + iter->mtrr_disabled = false; iter->partial_map = false; iter->fixed = false; iter->range = NULL; @@ -656,15 +669,19 @@ u8 kvm_mtrr_get_guest_memory_type(struct kvm_vcpu *vcpu, gfn_t gfn) return MTRR_TYPE_WRBACK; } - /* It is not covered by MTRRs. */ - if (iter.partial_map) { - /* - * We just check one page, partially covered by MTRRs is - * impossible. - */ - WARN_ON(type != -1); - type = mtrr_default_type(mtrr_state); - } + if (iter.mtrr_disabled) + return mtrr_disabled_type(); + + /* not contained in any MTRRs. */ + if (type == -1) + return mtrr_default_type(mtrr_state); + + /* + * We just check one page, partially covered by MTRRs is + * impossible. + */ + WARN_ON(iter.partial_map); + return type; } EXPORT_SYMBOL_GPL(kvm_mtrr_get_guest_memory_type); @@ -689,6 +706,9 @@ bool kvm_mtrr_check_gfn_range_consistency(struct kvm_vcpu *vcpu, gfn_t gfn, return false; } + if (iter.mtrr_disabled) + return true; + if (!iter.partial_map) return true; diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 602b974a60a6..8e0c0844c6b9 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -865,6 +865,64 @@ static void svm_disable_lbrv(struct vcpu_svm *svm) set_msr_interception(msrpm, MSR_IA32_LASTINTTOIP, 0, 0); } +#define MTRR_TYPE_UC_MINUS 7 +#define MTRR2PROTVAL_INVALID 0xff + +static u8 mtrr2protval[8]; + +static u8 fallback_mtrr_type(int mtrr) +{ + /* + * WT and WP aren't always available in the host PAT. Treat + * them as UC and UC- respectively. Everything else should be + * there. + */ + switch (mtrr) + { + case MTRR_TYPE_WRTHROUGH: + return MTRR_TYPE_UNCACHABLE; + case MTRR_TYPE_WRPROT: + return MTRR_TYPE_UC_MINUS; + default: + BUG(); + } +} + +static void build_mtrr2protval(void) +{ + int i; + u64 pat; + + for (i = 0; i < 8; i++) + mtrr2protval[i] = MTRR2PROTVAL_INVALID; + + /* Ignore the invalid MTRR types. */ + mtrr2protval[2] = 0; + mtrr2protval[3] = 0; + + /* + * Use host PAT value to figure out the mapping from guest MTRR + * values to nested page table PAT/PCD/PWT values. We do not + * want to change the host PAT value every time we enter the + * guest. + */ + rdmsrl(MSR_IA32_CR_PAT, pat); + for (i = 0; i < 8; i++) { + u8 mtrr = pat >> (8 * i); + + if (mtrr2protval[mtrr] == MTRR2PROTVAL_INVALID) + mtrr2protval[mtrr] = __cm_idx2pte(i); + } + + for (i = 0; i < 8; i++) { + if (mtrr2protval[i] == MTRR2PROTVAL_INVALID) { + u8 fallback = fallback_mtrr_type(i); + mtrr2protval[i] = mtrr2protval[fallback]; + BUG_ON(mtrr2protval[i] == MTRR2PROTVAL_INVALID); + } + } +} + static __init int svm_hardware_setup(void) { int cpu; @@ -931,6 +989,7 @@ static __init int svm_hardware_setup(void) } else kvm_disable_tdp(); + build_mtrr2protval(); return 0; err: @@ -1085,6 +1144,39 @@ static u64 svm_compute_tsc_offset(struct kvm_vcpu *vcpu, u64 target_tsc) return target_tsc - tsc; } +static void svm_set_guest_pat(struct vcpu_svm *svm, u64 *g_pat) +{ + struct kvm_vcpu *vcpu = &svm->vcpu; + + /* Unlike Intel, AMD takes the guest's CR0.CD into account. + * + * AMD does not have IPAT. To emulate it for the case of guests + * with no assigned devices, just set everything to WB. If guests + * have assigned devices, however, we cannot force WB for RAM + * pages only, so use the guest PAT directly. + */ + if (!kvm_arch_has_assigned_device(vcpu->kvm)) + *g_pat = 0x0606060606060606; + else + *g_pat = vcpu->arch.pat; +} + +static u64 svm_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) +{ + u8 mtrr; + + /* + * 1. MMIO: trust guest MTRR, so same as item 3. + * 2. No passthrough: always map as WB, and force guest PAT to WB as well + * 3. Passthrough: can't guarantee the result, try to trust guest. + */ + if (!is_mmio && !kvm_arch_has_assigned_device(vcpu->kvm)) + return 0; + + mtrr = kvm_mtrr_get_guest_memory_type(vcpu, gfn); + return mtrr2protval[mtrr]; +} + static void init_vmcb(struct vcpu_svm *svm, bool init_event) { struct vmcb_control_area *control = &svm->vmcb->control; @@ -1180,6 +1272,7 @@ static void init_vmcb(struct vcpu_svm *svm, bool init_event) clr_cr_intercept(svm, INTERCEPT_CR3_READ); clr_cr_intercept(svm, INTERCEPT_CR3_WRITE); save->g_pat = svm->vcpu.arch.pat; + svm_set_guest_pat(svm, &save->g_pat); save->cr3 = 0; save->cr4 = 0; } @@ -1579,7 +1672,7 @@ static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) * does not do it - this results in some delay at * reboot */ - if (!(vcpu->kvm->arch.disabled_quirks & KVM_QUIRK_CD_NW_CLEARED)) + if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED)) cr0 &= ~(X86_CR0_CD | X86_CR0_NW); svm->vmcb->save.cr0 = cr0; mark_dirty(svm->vmcb, VMCB_CR); @@ -3254,6 +3347,16 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) case MSR_VM_IGNNE: vcpu_unimpl(vcpu, "unimplemented wrmsr: 0x%x data 0x%llx\n", ecx, data); break; + case MSR_IA32_CR_PAT: + if (npt_enabled) { + if (!kvm_mtrr_valid(vcpu, MSR_IA32_CR_PAT, data)) + return 1; + vcpu->arch.pat = data; + svm_set_guest_pat(svm, &svm->vmcb->save.g_pat); + mark_dirty(svm->vmcb, VMCB_NPT); + break; + } + /* fall through */ default: return kvm_set_msr_common(vcpu, msr); } @@ -4088,11 +4191,6 @@ static bool svm_has_high_real_mode_segbase(void) return true; } -static u64 svm_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) -{ - return 0; -} - static void svm_cpuid_update(struct kvm_vcpu *vcpu) { } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index e856dd566f4c..83b7b5cd75d5 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -8632,22 +8632,17 @@ static u64 vmx_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) u64 ipat = 0; /* For VT-d and EPT combination - * 1. MMIO: always map as UC + * 1. MMIO: guest may want to apply WC, trust it. * 2. EPT with VT-d: * a. VT-d without snooping control feature: can't guarantee the - * result, try to trust guest. + * result, try to trust guest. So the same as item 1. * b. VT-d with snooping control feature: snooping control feature of * VT-d engine can guarantee the cache correctness. Just set it * to WB to keep consistent with host. So the same as item 3. * 3. EPT without VT-d: always map as WB and set IPAT=1 to keep * consistent with host MTRR */ - if (is_mmio) { - cache = MTRR_TYPE_UNCACHABLE; - goto exit; - } - - if (!kvm_arch_has_noncoherent_dma(vcpu->kvm)) { + if (!is_mmio && !kvm_arch_has_noncoherent_dma(vcpu->kvm)) { ipat = VMX_EPT_IPAT_BIT; cache = MTRR_TYPE_WRBACK; goto exit; @@ -8655,7 +8650,10 @@ static u64 vmx_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) if (kvm_read_cr0(vcpu) & X86_CR0_CD) { ipat = VMX_EPT_IPAT_BIT; - cache = MTRR_TYPE_UNCACHABLE; + if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED)) + cache = MTRR_TYPE_WRBACK; + else + cache = MTRR_TYPE_UNCACHABLE; goto exit; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index bbaf44e8f0d3..8f0f6eca69da 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2105,7 +2105,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) if (guest_cpuid_has_tsc_adjust(vcpu)) { if (!msr_info->host_initiated) { s64 adj = data - vcpu->arch.ia32_tsc_adjust_msr; - kvm_x86_ops->adjust_tsc_offset(vcpu, adj, true); + adjust_tsc_offset_guest(vcpu, adj); } vcpu->arch.ia32_tsc_adjust_msr = data; } @@ -3157,8 +3157,7 @@ static void load_xsave(struct kvm_vcpu *vcpu, u8 *src) cpuid_count(XSTATE_CPUID, index, &size, &offset, &ecx, &edx); memcpy(dest, src + offset, size); - } else - WARN_ON_ONCE(1); + } valid -= feature; } @@ -6328,6 +6327,7 @@ static void process_smi_save_state_64(struct kvm_vcpu *vcpu, char *buf) static void process_smi(struct kvm_vcpu *vcpu) { struct kvm_segment cs, ds; + struct desc_ptr dt; char buf[512]; u32 cr0; @@ -6360,6 +6360,10 @@ static void process_smi(struct kvm_vcpu *vcpu) kvm_x86_ops->set_cr4(vcpu, 0); + /* Undocumented: IDT limit is set to zero on entry to SMM. */ + dt.address = dt.size = 0; + kvm_x86_ops->set_idt(vcpu, &dt); + __kvm_set_dr(vcpu, 7, DR7_FIXED_1); cs.selector = (vcpu->arch.smbase >> 4) & 0xffff; @@ -7315,11 +7319,6 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, vcpu = kvm_x86_ops->vcpu_create(kvm, id); - /* - * Activate fpu unconditionally in case the guest needs eager FPU. It will be - * deactivated soon if it doesn't. - */ - kvm_x86_ops->fpu_activate(vcpu); return vcpu; } @@ -8218,6 +8217,24 @@ bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu) kvm_x86_ops->interrupt_allowed(vcpu); } +void kvm_arch_start_assignment(struct kvm *kvm) +{ + atomic_inc(&kvm->arch.assigned_device_count); +} +EXPORT_SYMBOL_GPL(kvm_arch_start_assignment); + +void kvm_arch_end_assignment(struct kvm *kvm) +{ + atomic_dec(&kvm->arch.assigned_device_count); +} +EXPORT_SYMBOL_GPL(kvm_arch_end_assignment); + +bool kvm_arch_has_assigned_device(struct kvm *kvm) +{ + return atomic_read(&kvm->arch.assigned_device_count); +} +EXPORT_SYMBOL_GPL(kvm_arch_has_assigned_device); + void kvm_arch_register_noncoherent_dma(struct kvm *kvm) { atomic_inc(&kvm->arch.noncoherent_dma_count); diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index edc8cdcd786b..0ca2f3e4803c 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -147,6 +147,11 @@ static inline void kvm_register_writel(struct kvm_vcpu *vcpu, return kvm_register_write(vcpu, reg, val); } +static inline bool kvm_check_has_quirk(struct kvm *kvm, u64 quirk) +{ + return !(kvm->arch.disabled_quirks & quirk); +} + void kvm_before_handle_nmi(struct kvm_vcpu *vcpu); void kvm_after_handle_nmi(struct kvm_vcpu *vcpu); void kvm_set_pending_timer(struct kvm_vcpu *vcpu); diff --git a/arch/x86/lib/usercopy.c b/arch/x86/lib/usercopy.c index ddf9ecb53cc3..e342586db6e4 100644 --- a/arch/x86/lib/usercopy.c +++ b/arch/x86/lib/usercopy.c @@ -20,7 +20,7 @@ copy_from_user_nmi(void *to, const void __user *from, unsigned long n) unsigned long ret; if (__range_not_ok(from, n, TASK_SIZE)) - return 0; + return n; /* * Even though this function is typically called from NMI/IRQ context diff --git a/arch/x86/math-emu/fpu_entry.c b/arch/x86/math-emu/fpu_entry.c index f37e84ab49f3..3d8f2e421466 100644 --- a/arch/x86/math-emu/fpu_entry.c +++ b/arch/x86/math-emu/fpu_entry.c @@ -29,7 +29,6 @@ #include <asm/uaccess.h> #include <asm/traps.h> -#include <asm/desc.h> #include <asm/user.h> #include <asm/fpu/internal.h> @@ -181,7 +180,7 @@ void math_emulate(struct math_emu_info *info) math_abort(FPU_info, SIGILL); } - code_descriptor = LDT_DESCRIPTOR(FPU_CS); + code_descriptor = FPU_get_ldt_descriptor(FPU_CS); if (SEG_D_SIZE(code_descriptor)) { /* The above test may be wrong, the book is not clear */ /* Segmented 32 bit protected mode */ diff --git a/arch/x86/math-emu/fpu_system.h b/arch/x86/math-emu/fpu_system.h index 9ccecb61a4fa..5e044d506b7a 100644 --- a/arch/x86/math-emu/fpu_system.h +++ b/arch/x86/math-emu/fpu_system.h @@ -16,9 +16,24 @@ #include <linux/kernel.h> #include <linux/mm.h> -/* s is always from a cpu register, and the cpu does bounds checking - * during register load --> no further bounds checks needed */ -#define LDT_DESCRIPTOR(s) (((struct desc_struct *)current->mm->context.ldt)[(s) >> 3]) +#include <asm/desc.h> +#include <asm/mmu_context.h> + +static inline struct desc_struct FPU_get_ldt_descriptor(unsigned seg) +{ + static struct desc_struct zero_desc; + struct desc_struct ret = zero_desc; + +#ifdef CONFIG_MODIFY_LDT_SYSCALL + seg >>= 3; + mutex_lock(¤t->mm->context.lock); + if (current->mm->context.ldt && seg < current->mm->context.ldt->size) + ret = current->mm->context.ldt->entries[seg]; + mutex_unlock(¤t->mm->context.lock); +#endif + return ret; +} + #define SEG_D_SIZE(x) ((x).b & (3 << 21)) #define SEG_G_BIT(x) ((x).b & (1 << 23)) #define SEG_GRANULARITY(x) (((x).b & (1 << 23)) ? 4096 : 1) diff --git a/arch/x86/math-emu/get_address.c b/arch/x86/math-emu/get_address.c index 6ef5e99380f9..8300db71c2a6 100644 --- a/arch/x86/math-emu/get_address.c +++ b/arch/x86/math-emu/get_address.c @@ -20,7 +20,6 @@ #include <linux/stddef.h> #include <asm/uaccess.h> -#include <asm/desc.h> #include "fpu_system.h" #include "exception.h" @@ -158,7 +157,7 @@ static long pm_address(u_char FPU_modrm, u_char segment, addr->selector = PM_REG_(segment); } - descriptor = LDT_DESCRIPTOR(PM_REG_(segment)); + descriptor = FPU_get_ldt_descriptor(addr->selector); base_address = SEG_BASE_ADDR(descriptor); address = base_address + offset; limit = base_address diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index cc5ccc415cc0..b9c78f3bcd67 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -63,8 +63,6 @@ static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages, !PageReserved(pfn_to_page(start_pfn + i))) return 1; - WARN_ONCE(1, "ioremap on RAM pfn 0x%lx\n", start_pfn); - return 0; } @@ -94,7 +92,6 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, pgprot_t prot; int retval; void __iomem *ret_addr; - int ram_region; /* Don't allow wraparound or zero size */ last_addr = phys_addr + size - 1; @@ -117,23 +114,15 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, /* * Don't allow anybody to remap normal RAM that we're using.. */ - /* First check if whole region can be identified as RAM or not */ - ram_region = region_is_ram(phys_addr, size); - if (ram_region > 0) { - WARN_ONCE(1, "ioremap on RAM at 0x%lx - 0x%lx\n", - (unsigned long int)phys_addr, - (unsigned long int)last_addr); + pfn = phys_addr >> PAGE_SHIFT; + last_pfn = last_addr >> PAGE_SHIFT; + if (walk_system_ram_range(pfn, last_pfn - pfn + 1, NULL, + __ioremap_check_ram) == 1) { + WARN_ONCE(1, "ioremap on RAM at %pa - %pa\n", + &phys_addr, &last_addr); return NULL; } - /* If could not be identified(-1), check page by page */ - if (ram_region < 0) { - pfn = phys_addr >> PAGE_SHIFT; - last_pfn = last_addr >> PAGE_SHIFT; - if (walk_system_ram_range(pfn, last_pfn - pfn + 1, NULL, - __ioremap_check_ram) == 1) - return NULL; - } /* * Mappings have to be page-aligned */ diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c index 4860906c6b9f..e1840f3db5b5 100644 --- a/arch/x86/mm/kasan_init_64.c +++ b/arch/x86/mm/kasan_init_64.c @@ -1,3 +1,4 @@ +#define pr_fmt(fmt) "kasan: " fmt #include <linux/bootmem.h> #include <linux/kasan.h> #include <linux/kdebug.h> @@ -11,7 +12,19 @@ extern pgd_t early_level4_pgt[PTRS_PER_PGD]; extern struct range pfn_mapped[E820_X_MAX]; -extern unsigned char kasan_zero_page[PAGE_SIZE]; +static pud_t kasan_zero_pud[PTRS_PER_PUD] __page_aligned_bss; +static pmd_t kasan_zero_pmd[PTRS_PER_PMD] __page_aligned_bss; +static pte_t kasan_zero_pte[PTRS_PER_PTE] __page_aligned_bss; + +/* + * This page used as early shadow. We don't use empty_zero_page + * at early stages, stack instrumentation could write some garbage + * to this page. + * Latter we reuse it as zero shadow for large ranges of memory + * that allowed to access, but not instrumented by kasan + * (vmalloc/vmemmap ...). + */ +static unsigned char kasan_zero_page[PAGE_SIZE] __page_aligned_bss; static int __init map_range(struct range *range) { @@ -36,7 +49,7 @@ static void __init clear_pgds(unsigned long start, pgd_clear(pgd_offset_k(start)); } -void __init kasan_map_early_shadow(pgd_t *pgd) +static void __init kasan_map_early_shadow(pgd_t *pgd) { int i; unsigned long start = KASAN_SHADOW_START; @@ -73,7 +86,7 @@ static int __init zero_pmd_populate(pud_t *pud, unsigned long addr, while (IS_ALIGNED(addr, PMD_SIZE) && addr + PMD_SIZE <= end) { WARN_ON(!pmd_none(*pmd)); set_pmd(pmd, __pmd(__pa_nodebug(kasan_zero_pte) - | __PAGE_KERNEL_RO)); + | _KERNPG_TABLE)); addr += PMD_SIZE; pmd = pmd_offset(pud, addr); } @@ -99,7 +112,7 @@ static int __init zero_pud_populate(pgd_t *pgd, unsigned long addr, while (IS_ALIGNED(addr, PUD_SIZE) && addr + PUD_SIZE <= end) { WARN_ON(!pud_none(*pud)); set_pud(pud, __pud(__pa_nodebug(kasan_zero_pmd) - | __PAGE_KERNEL_RO)); + | _KERNPG_TABLE)); addr += PUD_SIZE; pud = pud_offset(pgd, addr); } @@ -124,7 +137,7 @@ static int __init zero_pgd_populate(unsigned long addr, unsigned long end) while (IS_ALIGNED(addr, PGDIR_SIZE) && addr + PGDIR_SIZE <= end) { WARN_ON(!pgd_none(*pgd)); set_pgd(pgd, __pgd(__pa_nodebug(kasan_zero_pud) - | __PAGE_KERNEL_RO)); + | _KERNPG_TABLE)); addr += PGDIR_SIZE; pgd = pgd_offset_k(addr); } @@ -166,6 +179,26 @@ static struct notifier_block kasan_die_notifier = { }; #endif +void __init kasan_early_init(void) +{ + int i; + pteval_t pte_val = __pa_nodebug(kasan_zero_page) | __PAGE_KERNEL; + pmdval_t pmd_val = __pa_nodebug(kasan_zero_pte) | _KERNPG_TABLE; + pudval_t pud_val = __pa_nodebug(kasan_zero_pmd) | _KERNPG_TABLE; + + for (i = 0; i < PTRS_PER_PTE; i++) + kasan_zero_pte[i] = __pte(pte_val); + + for (i = 0; i < PTRS_PER_PMD; i++) + kasan_zero_pmd[i] = __pmd(pmd_val); + + for (i = 0; i < PTRS_PER_PUD; i++) + kasan_zero_pud[i] = __pud(pud_val); + + kasan_map_early_shadow(early_level4_pgt); + kasan_map_early_shadow(init_level4_pgt); +} + void __init kasan_init(void) { int i; @@ -176,6 +209,7 @@ void __init kasan_init(void) memcpy(early_level4_pgt, init_level4_pgt, sizeof(early_level4_pgt)); load_cr3(early_level4_pgt); + __flush_tlb_all(); clear_pgds(KASAN_SHADOW_START, KASAN_SHADOW_END); @@ -202,5 +236,8 @@ void __init kasan_init(void) memset(kasan_zero_page, 0, PAGE_SIZE); load_cr3(init_level4_pgt); + __flush_tlb_all(); init_task.kasan_depth = 0; + + pr_info("Kernel address sanitizer initialized\n"); } diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c index 9d518d693b4b..844b06d67df4 100644 --- a/arch/x86/mm/mmap.c +++ b/arch/x86/mm/mmap.c @@ -126,3 +126,10 @@ void arch_pick_mmap_layout(struct mm_struct *mm) mm->get_unmapped_area = arch_get_unmapped_area_topdown; } } + +const char *arch_vma_name(struct vm_area_struct *vma) +{ + if (vma->vm_flags & VM_MPX) + return "[mpx]"; + return NULL; +} diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c index 7a657f58bbea..db1b0bc5017c 100644 --- a/arch/x86/mm/mpx.c +++ b/arch/x86/mm/mpx.c @@ -20,20 +20,6 @@ #define CREATE_TRACE_POINTS #include <asm/trace/mpx.h> -static const char *mpx_mapping_name(struct vm_area_struct *vma) -{ - return "[mpx]"; -} - -static struct vm_operations_struct mpx_vma_ops = { - .name = mpx_mapping_name, -}; - -static int is_mpx_vma(struct vm_area_struct *vma) -{ - return (vma->vm_ops == &mpx_vma_ops); -} - static inline unsigned long mpx_bd_size_bytes(struct mm_struct *mm) { if (is_64bit_mm(mm)) @@ -53,9 +39,6 @@ static inline unsigned long mpx_bt_size_bytes(struct mm_struct *mm) /* * This is really a simplified "vm_mmap". it only handles MPX * bounds tables (the bounds directory is user-allocated). - * - * Later on, we use the vma->vm_ops to uniquely identify these - * VMAs. */ static unsigned long mpx_mmap(unsigned long len) { @@ -101,7 +84,6 @@ static unsigned long mpx_mmap(unsigned long len) ret = -ENOMEM; goto out; } - vma->vm_ops = &mpx_vma_ops; if (vm_flags & VM_LOCKED) { up_write(&mm->mmap_sem); @@ -812,7 +794,7 @@ static noinline int zap_bt_entries_mapping(struct mm_struct *mm, * so stop immediately and return an error. This * probably results in a SIGSEGV. */ - if (!is_mpx_vma(vma)) + if (!(vma->vm_flags & VM_MPX)) return -EINVAL; len = min(vma->vm_end, end) - addr; @@ -945,9 +927,9 @@ static int try_unmap_single_bt(struct mm_struct *mm, * lots of tables even though we have no actual table * entries in use. */ - while (next && is_mpx_vma(next)) + while (next && (next->vm_flags & VM_MPX)) next = next->vm_next; - while (prev && is_mpx_vma(prev)) + while (prev && (prev->vm_flags & VM_MPX)) prev = prev->vm_prev; /* * We know 'start' and 'end' lie within an area controlled diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 3250f2371aea..90b924acd982 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -117,7 +117,7 @@ static void flush_tlb_func(void *info) } else { unsigned long addr; unsigned long nr_pages = - f->flush_end - f->flush_start / PAGE_SIZE; + (f->flush_end - f->flush_start) / PAGE_SIZE; addr = f->flush_start; while (addr < f->flush_end) { __flush_tlb_single(addr); diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index 579a8fd74be0..be2e7a2b10d7 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -269,7 +269,7 @@ static void emit_bpf_tail_call(u8 **pprog) EMIT4(0x48, 0x8B, 0x46, /* mov rax, qword ptr [rsi + 16] */ offsetof(struct bpf_array, map.max_entries)); EMIT3(0x48, 0x39, 0xD0); /* cmp rax, rdx */ -#define OFFSET1 44 /* number of bytes to jump */ +#define OFFSET1 47 /* number of bytes to jump */ EMIT2(X86_JBE, OFFSET1); /* jbe out */ label1 = cnt; @@ -278,15 +278,15 @@ static void emit_bpf_tail_call(u8 **pprog) */ EMIT2_off32(0x8B, 0x85, -STACKSIZE + 36); /* mov eax, dword ptr [rbp - 516] */ EMIT3(0x83, 0xF8, MAX_TAIL_CALL_CNT); /* cmp eax, MAX_TAIL_CALL_CNT */ -#define OFFSET2 33 +#define OFFSET2 36 EMIT2(X86_JA, OFFSET2); /* ja out */ label2 = cnt; EMIT3(0x83, 0xC0, 0x01); /* add eax, 1 */ EMIT2_off32(0x89, 0x85, -STACKSIZE + 36); /* mov dword ptr [rbp - 516], eax */ /* prog = array->prog[index]; */ - EMIT4(0x48, 0x8D, 0x44, 0xD6); /* lea rax, [rsi + rdx * 8 + 0x50] */ - EMIT1(offsetof(struct bpf_array, prog)); + EMIT4_off32(0x48, 0x8D, 0x84, 0xD6, /* lea rax, [rsi + rdx * 8 + offsetof(...)] */ + offsetof(struct bpf_array, prog)); EMIT3(0x48, 0x8B, 0x00); /* mov rax, qword ptr [rax] */ /* if (prog == NULL) diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index cfba30f27392..e4308fe6afe8 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -972,6 +972,11 @@ u64 efi_mem_attributes(unsigned long phys_addr) static int __init arch_parse_efi_cmdline(char *str) { + if (!str) { + pr_warn("need at least one option\n"); + return -EINVAL; + } + if (parse_option_str(str, "old_map")) set_bit(EFI_OLD_MEMMAP, &efi.flags); if (parse_option_str(str, "debug")) diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c index 0d7dd1f5ac36..9ab52791fed5 100644 --- a/arch/x86/power/cpu.c +++ b/arch/x86/power/cpu.c @@ -22,6 +22,7 @@ #include <asm/fpu/internal.h> #include <asm/debugreg.h> #include <asm/cpu.h> +#include <asm/mmu_context.h> #ifdef CONFIG_X86_32 __visible unsigned long saved_context_ebx; @@ -153,7 +154,7 @@ static void fix_processor_context(void) syscall_init(); /* This sets MSR_*STAR and related */ #endif load_TR_desc(); /* This does ltr */ - load_LDT(¤t->active_mm->context); /* This does lldt */ + load_mm_ldt(current->active_mm); /* This does lldt */ fpu__resume_cpu(); } diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig index e88fda867a33..484145368a24 100644 --- a/arch/x86/xen/Kconfig +++ b/arch/x86/xen/Kconfig @@ -8,7 +8,7 @@ config XEN select PARAVIRT_CLOCK select XEN_HAVE_PVMMU depends on X86_64 || (X86_32 && X86_PAE) - depends on X86_TSC + depends on X86_LOCAL_APIC && X86_TSC help This is the Linux Xen port. Enabling this will allow the kernel to boot in a paravirtualized environment under the @@ -17,7 +17,7 @@ config XEN config XEN_DOM0 def_bool y depends on XEN && PCI_XEN && SWIOTLB_XEN - depends on X86_LOCAL_APIC && X86_IO_APIC && ACPI && PCI + depends on X86_IO_APIC && ACPI && PCI config XEN_PVHVM def_bool y diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index 7322755f337a..4b6e29ac0968 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -13,13 +13,13 @@ CFLAGS_mmu.o := $(nostackp) obj-y := enlighten.o setup.o multicalls.o mmu.o irq.o \ time.o xen-asm.o xen-asm_$(BITS).o \ grant-table.o suspend.o platform-pci-unplug.o \ - p2m.o + p2m.o apic.o obj-$(CONFIG_EVENT_TRACING) += trace.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= spinlock.o obj-$(CONFIG_XEN_DEBUG_FS) += debugfs.o -obj-$(CONFIG_XEN_DOM0) += apic.o vga.o +obj-$(CONFIG_XEN_DOM0) += vga.o obj-$(CONFIG_SWIOTLB_XEN) += pci-swiotlb-xen.o obj-$(CONFIG_XEN_EFI) += efi.o diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 0b95c9b8283f..11d6fb4e8483 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -483,6 +483,7 @@ static void set_aliased_prot(void *v, pgprot_t prot) pte_t pte; unsigned long pfn; struct page *page; + unsigned char dummy; ptep = lookup_address((unsigned long)v, &level); BUG_ON(ptep == NULL); @@ -492,6 +493,32 @@ static void set_aliased_prot(void *v, pgprot_t prot) pte = pfn_pte(pfn, prot); + /* + * Careful: update_va_mapping() will fail if the virtual address + * we're poking isn't populated in the page tables. We don't + * need to worry about the direct map (that's always in the page + * tables), but we need to be careful about vmap space. In + * particular, the top level page table can lazily propagate + * entries between processes, so if we've switched mms since we + * vmapped the target in the first place, we might not have the + * top-level page table entry populated. + * + * We disable preemption because we want the same mm active when + * we probe the target and when we issue the hypercall. We'll + * have the same nominal mm, but if we're a kernel thread, lazy + * mm dropping could change our pgd. + * + * Out of an abundance of caution, this uses __get_user() to fault + * in the target address just in case there's some obscure case + * in which the target address isn't readable. + */ + + preempt_disable(); + + pagefault_disable(); /* Avoid warnings due to being atomic. */ + __get_user(dummy, (unsigned char __user __force *)v); + pagefault_enable(); + if (HYPERVISOR_update_va_mapping((unsigned long)v, pte, 0)) BUG(); @@ -503,6 +530,8 @@ static void set_aliased_prot(void *v, pgprot_t prot) BUG(); } else kmap_flush_unused(); + + preempt_enable(); } static void xen_alloc_ldt(struct desc_struct *ldt, unsigned entries) @@ -510,6 +539,17 @@ static void xen_alloc_ldt(struct desc_struct *ldt, unsigned entries) const unsigned entries_per_page = PAGE_SIZE / LDT_ENTRY_SIZE; int i; + /* + * We need to mark the all aliases of the LDT pages RO. We + * don't need to call vm_flush_aliases(), though, since that's + * only responsible for flushing aliases out the TLBs, not the + * page tables, and Xen will flush the TLB for us if needed. + * + * To avoid confusing future readers: none of this is necessary + * to load the LDT. The hypervisor only checks this when the + * LDT is faulted in due to subsequent descriptor access. + */ + for(i = 0; i < entries; i += entries_per_page) set_aliased_prot(ldt + i, PAGE_KERNEL_RO); } diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index c20fe29e65f4..2292721b1d10 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -101,17 +101,15 @@ struct dom0_vga_console_info; #ifdef CONFIG_XEN_DOM0 void __init xen_init_vga(const struct dom0_vga_console_info *, size_t size); -void __init xen_init_apic(void); #else static inline void __init xen_init_vga(const struct dom0_vga_console_info *info, size_t size) { } -static inline void __init xen_init_apic(void) -{ -} #endif +void __init xen_init_apic(void); + #ifdef CONFIG_XEN_EFI extern void xen_efi_init(void); #else diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild index 14d15bf1a95b..5b478accd5fc 100644 --- a/arch/xtensa/include/asm/Kbuild +++ b/arch/xtensa/include/asm/Kbuild @@ -19,6 +19,7 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += percpu.h generic-y += preempt.h generic-y += resource.h diff --git a/arch/xtensa/include/asm/mm-arch-hooks.h b/arch/xtensa/include/asm/mm-arch-hooks.h deleted file mode 100644 index d2e5cfd3dd02..000000000000 --- a/arch/xtensa/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_XTENSA_MM_ARCH_HOOKS_H -#define _ASM_XTENSA_MM_ARCH_HOOKS_H - -#endif /* _ASM_XTENSA_MM_ARCH_HOOKS_H */ diff --git a/block/bio-integrity.c b/block/bio-integrity.c index 0436c21db7f2..719b7152aed1 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -51,7 +51,7 @@ struct bio_integrity_payload *bio_integrity_alloc(struct bio *bio, unsigned long idx = BIO_POOL_NONE; unsigned inline_vecs; - if (!bs) { + if (!bs || !bs->bio_integrity_pool) { bip = kmalloc(sizeof(struct bio_integrity_payload) + sizeof(struct bio_vec) * nr_vecs, gfp_mask); inline_vecs = nr_vecs; @@ -104,7 +104,7 @@ void bio_integrity_free(struct bio *bio) kfree(page_address(bip->bip_vec->bv_page) + bip->bip_vec->bv_offset); - if (bs) { + if (bs && bs->bio_integrity_pool) { if (bip->bip_slab != BIO_POOL_NONE) bvec_free(bs->bvec_integrity_pool, bip->bip_vec, bip->bip_slab); diff --git a/block/bio.c b/block/bio.c index 2a00d349cd68..d6e5ba3399f0 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1831,8 +1831,9 @@ EXPORT_SYMBOL(bio_endio); * Allocates and returns a new bio which represents @sectors from the start of * @bio, and updates @bio to represent the remaining sectors. * - * The newly allocated bio will point to @bio's bi_io_vec; it is the caller's - * responsibility to ensure that @bio is not freed before the split. + * Unless this is a discard request the newly allocated bio will point + * to @bio's bi_io_vec; it is the caller's responsibility to ensure that + * @bio is not freed before the split. */ struct bio *bio_split(struct bio *bio, int sectors, gfp_t gfp, struct bio_set *bs) @@ -1842,7 +1843,15 @@ struct bio *bio_split(struct bio *bio, int sectors, BUG_ON(sectors <= 0); BUG_ON(sectors >= bio_sectors(bio)); - split = bio_clone_fast(bio, gfp, bs); + /* + * Discards need a mutable bio_vec to accommodate the payload + * required by the DSM TRIM and UNMAP commands. + */ + if (bio->bi_rw & REQ_DISCARD) + split = bio_clone_bioset(bio, gfp, bs); + else + split = bio_clone_fast(bio, gfp, bs); + if (!split) return NULL; @@ -2009,6 +2018,7 @@ int bio_associate_blkcg(struct bio *bio, struct cgroup_subsys_state *blkcg_css) bio->bi_css = blkcg_css; return 0; } +EXPORT_SYMBOL_GPL(bio_associate_blkcg); /** * bio_associate_current - associate a bio with %current @@ -2039,6 +2049,7 @@ int bio_associate_current(struct bio *bio) bio->bi_css = task_get_css(current, blkio_cgrp_id); return 0; } +EXPORT_SYMBOL_GPL(bio_associate_current); /** * bio_disassociate_task - undo bio_associate_current() diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 9f97da52d006..d6283b3f5db5 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -29,6 +29,14 @@ #define MAX_KEY_LEN 100 +/* + * blkcg_pol_mutex protects blkcg_policy[] and policy [de]activation. + * blkcg_pol_register_mutex nests outside of it and synchronizes entire + * policy [un]register operations including cgroup file additions / + * removals. Putting cgroup file registration outside blkcg_pol_mutex + * allows grabbing it from cgroup callbacks. + */ +static DEFINE_MUTEX(blkcg_pol_register_mutex); static DEFINE_MUTEX(blkcg_pol_mutex); struct blkcg blkcg_root; @@ -38,6 +46,8 @@ struct cgroup_subsys_state * const blkcg_root_css = &blkcg_root.css; static struct blkcg_policy *blkcg_policy[BLKCG_MAX_POLS]; +static LIST_HEAD(all_blkcgs); /* protected by blkcg_pol_mutex */ + static bool blkcg_policy_enabled(struct request_queue *q, const struct blkcg_policy *pol) { @@ -453,20 +463,7 @@ static int blkcg_reset_stats(struct cgroup_subsys_state *css, struct blkcg_gq *blkg; int i; - /* - * XXX: We invoke cgroup_add/rm_cftypes() under blkcg_pol_mutex - * which ends up putting cgroup's internal cgroup_tree_mutex under - * it; however, cgroup_tree_mutex is nested above cgroup file - * active protection and grabbing blkcg_pol_mutex from a cgroup - * file operation creates a possible circular dependency. cgroup - * internal locking is planned to go through further simplification - * and this issue should go away soon. For now, let's trylock - * blkcg_pol_mutex and restart the write on failure. - * - * http://lkml.kernel.org/g/5363C04B.4010400@oracle.com - */ - if (!mutex_trylock(&blkcg_pol_mutex)) - return restart_syscall(); + mutex_lock(&blkcg_pol_mutex); spin_lock_irq(&blkcg->lock); /* @@ -721,8 +718,12 @@ int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol, return -EINVAL; disk = get_gendisk(MKDEV(major, minor), &part); - if (!disk || part) + if (!disk) + return -EINVAL; + if (part) { + put_disk(disk); return -EINVAL; + } rcu_read_lock(); spin_lock_irq(disk->queue->queue_lock); @@ -822,8 +823,17 @@ static void blkcg_css_free(struct cgroup_subsys_state *css) { struct blkcg *blkcg = css_to_blkcg(css); - if (blkcg != &blkcg_root) + mutex_lock(&blkcg_pol_mutex); + list_del(&blkcg->all_blkcgs_node); + mutex_unlock(&blkcg_pol_mutex); + + if (blkcg != &blkcg_root) { + int i; + + for (i = 0; i < BLKCG_MAX_POLS; i++) + kfree(blkcg->pd[i]); kfree(blkcg); + } } static struct cgroup_subsys_state * @@ -833,6 +843,8 @@ blkcg_css_alloc(struct cgroup_subsys_state *parent_css) struct cgroup_subsys_state *ret; int i; + mutex_lock(&blkcg_pol_mutex); + if (!parent_css) { blkcg = &blkcg_root; goto done; @@ -875,14 +887,17 @@ done: #ifdef CONFIG_CGROUP_WRITEBACK INIT_LIST_HEAD(&blkcg->cgwb_list); #endif + list_add_tail(&blkcg->all_blkcgs_node, &all_blkcgs); + + mutex_unlock(&blkcg_pol_mutex); return &blkcg->css; free_pd_blkcg: for (i--; i >= 0; i--) kfree(blkcg->pd[i]); - free_blkcg: kfree(blkcg); + mutex_unlock(&blkcg_pol_mutex); return ret; } @@ -1037,10 +1052,8 @@ int blkcg_activate_policy(struct request_queue *q, const struct blkcg_policy *pol) { LIST_HEAD(pds); - LIST_HEAD(cpds); struct blkcg_gq *blkg; struct blkg_policy_data *pd, *nd; - struct blkcg_policy_data *cpd, *cnd; int cnt = 0, ret; if (blkcg_policy_enabled(q, pol)) @@ -1053,10 +1066,7 @@ int blkcg_activate_policy(struct request_queue *q, cnt++; spin_unlock_irq(q->queue_lock); - /* - * Allocate per-blkg and per-blkcg policy data - * for all existing blkgs. - */ + /* allocate per-blkg policy data for all existing blkgs */ while (cnt--) { pd = kzalloc_node(pol->pd_size, GFP_KERNEL, q->node); if (!pd) { @@ -1064,15 +1074,6 @@ int blkcg_activate_policy(struct request_queue *q, goto out_free; } list_add_tail(&pd->alloc_node, &pds); - - if (!pol->cpd_size) - continue; - cpd = kzalloc_node(pol->cpd_size, GFP_KERNEL, q->node); - if (!cpd) { - ret = -ENOMEM; - goto out_free; - } - list_add_tail(&cpd->alloc_node, &cpds); } /* @@ -1082,32 +1083,17 @@ int blkcg_activate_policy(struct request_queue *q, spin_lock_irq(q->queue_lock); list_for_each_entry(blkg, &q->blkg_list, q_node) { - if (WARN_ON(list_empty(&pds)) || - WARN_ON(pol->cpd_size && list_empty(&cpds))) { + if (WARN_ON(list_empty(&pds))) { /* umm... this shouldn't happen, just abort */ ret = -ENOMEM; goto out_unlock; } - cpd = list_first_entry(&cpds, struct blkcg_policy_data, - alloc_node); - list_del_init(&cpd->alloc_node); pd = list_first_entry(&pds, struct blkg_policy_data, alloc_node); list_del_init(&pd->alloc_node); /* grab blkcg lock too while installing @pd on @blkg */ spin_lock(&blkg->blkcg->lock); - if (!pol->cpd_size) - goto no_cpd; - if (!blkg->blkcg->pd[pol->plid]) { - /* Per-policy per-blkcg data */ - blkg->blkcg->pd[pol->plid] = cpd; - cpd->plid = pol->plid; - pol->cpd_init_fn(blkg->blkcg); - } else { /* must free it as it has already been extracted */ - kfree(cpd); - } -no_cpd: blkg->pd[pol->plid] = pd; pd->blkg = blkg; pd->plid = pol->plid; @@ -1124,8 +1110,6 @@ out_free: blk_queue_bypass_end(q); list_for_each_entry_safe(pd, nd, &pds, alloc_node) kfree(pd); - list_for_each_entry_safe(cpd, cnd, &cpds, alloc_node) - kfree(cpd); return ret; } EXPORT_SYMBOL_GPL(blkcg_activate_policy); @@ -1162,8 +1146,6 @@ void blkcg_deactivate_policy(struct request_queue *q, kfree(blkg->pd[pol->plid]); blkg->pd[pol->plid] = NULL; - kfree(blkg->blkcg->pd[pol->plid]); - blkg->blkcg->pd[pol->plid] = NULL; spin_unlock(&blkg->blkcg->lock); } @@ -1182,11 +1164,13 @@ EXPORT_SYMBOL_GPL(blkcg_deactivate_policy); */ int blkcg_policy_register(struct blkcg_policy *pol) { + struct blkcg *blkcg; int i, ret; if (WARN_ON(pol->pd_size < sizeof(struct blkg_policy_data))) return -EINVAL; + mutex_lock(&blkcg_pol_register_mutex); mutex_lock(&blkcg_pol_mutex); /* find an empty slot */ @@ -1195,19 +1179,49 @@ int blkcg_policy_register(struct blkcg_policy *pol) if (!blkcg_policy[i]) break; if (i >= BLKCG_MAX_POLS) - goto out_unlock; + goto err_unlock; - /* register and update blkgs */ + /* register @pol */ pol->plid = i; - blkcg_policy[i] = pol; + blkcg_policy[pol->plid] = pol; + + /* allocate and install cpd's */ + if (pol->cpd_size) { + list_for_each_entry(blkcg, &all_blkcgs, all_blkcgs_node) { + struct blkcg_policy_data *cpd; + + cpd = kzalloc(pol->cpd_size, GFP_KERNEL); + if (!cpd) { + mutex_unlock(&blkcg_pol_mutex); + goto err_free_cpds; + } + + blkcg->pd[pol->plid] = cpd; + cpd->plid = pol->plid; + pol->cpd_init_fn(blkcg); + } + } + + mutex_unlock(&blkcg_pol_mutex); /* everything is in place, add intf files for the new policy */ if (pol->cftypes) WARN_ON(cgroup_add_legacy_cftypes(&blkio_cgrp_subsys, pol->cftypes)); - ret = 0; -out_unlock: + mutex_unlock(&blkcg_pol_register_mutex); + return 0; + +err_free_cpds: + if (pol->cpd_size) { + list_for_each_entry(blkcg, &all_blkcgs, all_blkcgs_node) { + kfree(blkcg->pd[pol->plid]); + blkcg->pd[pol->plid] = NULL; + } + } + blkcg_policy[pol->plid] = NULL; +err_unlock: mutex_unlock(&blkcg_pol_mutex); + mutex_unlock(&blkcg_pol_register_mutex); return ret; } EXPORT_SYMBOL_GPL(blkcg_policy_register); @@ -1220,7 +1234,9 @@ EXPORT_SYMBOL_GPL(blkcg_policy_register); */ void blkcg_policy_unregister(struct blkcg_policy *pol) { - mutex_lock(&blkcg_pol_mutex); + struct blkcg *blkcg; + + mutex_lock(&blkcg_pol_register_mutex); if (WARN_ON(blkcg_policy[pol->plid] != pol)) goto out_unlock; @@ -1229,9 +1245,19 @@ void blkcg_policy_unregister(struct blkcg_policy *pol) if (pol->cftypes) cgroup_rm_cftypes(pol->cftypes); - /* unregister and update blkgs */ + /* remove cpds and unregister */ + mutex_lock(&blkcg_pol_mutex); + + if (pol->cpd_size) { + list_for_each_entry(blkcg, &all_blkcgs, all_blkcgs_node) { + kfree(blkcg->pd[pol->plid]); + blkcg->pd[pol->plid] = NULL; + } + } blkcg_policy[pol->plid] = NULL; -out_unlock: + mutex_unlock(&blkcg_pol_mutex); +out_unlock: + mutex_unlock(&blkcg_pol_register_mutex); } EXPORT_SYMBOL_GPL(blkcg_policy_unregister); diff --git a/block/blk-core.c b/block/blk-core.c index 82819e68f58b..627ed0c593fb 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -3370,7 +3370,7 @@ EXPORT_SYMBOL(blk_post_runtime_resume); int __init blk_dev_init(void) { BUILD_BUG_ON(__REQ_NR_BITS > 8 * - sizeof(((struct request *)0)->cmd_flags)); + FIELD_SIZEOF(struct request, cmd_flags)); /* used for unplugging and affects IO latency/throughput - HIGHPRI */ kblockd_workqueue = alloc_workqueue("kblockd", diff --git a/block/blk-mq.c b/block/blk-mq.c index f53779692c77..7d842db59699 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1998,7 +1998,7 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set, goto err_hctxs; setup_timer(&q->timeout, blk_mq_rq_timer, (unsigned long) q); - blk_queue_rq_timeout(q, set->timeout ? set->timeout : 30000); + blk_queue_rq_timeout(q, set->timeout ? set->timeout : 30 * HZ); q->nr_queues = nr_cpu_ids; q->nr_hw_queues = set->nr_hw_queues; diff --git a/block/blk-settings.c b/block/blk-settings.c index 12600bfffca9..e0057d035200 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -241,8 +241,8 @@ EXPORT_SYMBOL(blk_queue_bounce_limit); * Description: * Enables a low level driver to set a hard upper limit, * max_hw_sectors, on the size of requests. max_hw_sectors is set by - * the device driver based upon the combined capabilities of I/O - * controller and storage device. + * the device driver based upon the capabilities of the I/O + * controller. * * max_sectors is a soft limit imposed by the block layer for * filesystem type requests. This value can be overridden on a diff --git a/crypto/authencesn.c b/crypto/authencesn.c index a3da6770bc9e..b8efe36ce114 100644 --- a/crypto/authencesn.c +++ b/crypto/authencesn.c @@ -393,8 +393,6 @@ static int crypto_authenc_esn_genicv(struct aead_request *req, u8 *iv, struct scatterlist *cipher = areq_ctx->cipher; struct scatterlist *hsg = areq_ctx->hsg; struct scatterlist *tsg = areq_ctx->tsg; - struct scatterlist *assoc1; - struct scatterlist *assoc2; unsigned int ivsize = crypto_aead_ivsize(authenc_esn); unsigned int cryptlen = req->cryptlen; struct page *dstp; @@ -412,27 +410,19 @@ static int crypto_authenc_esn_genicv(struct aead_request *req, u8 *iv, cryptlen += ivsize; } - if (sg_is_last(assoc)) - return -EINVAL; - - assoc1 = assoc + 1; - if (sg_is_last(assoc1)) - return -EINVAL; - - assoc2 = assoc + 2; - if (!sg_is_last(assoc2)) + if (assoc->length < 12) return -EINVAL; sg_init_table(hsg, 2); - sg_set_page(hsg, sg_page(assoc), assoc->length, assoc->offset); - sg_set_page(hsg + 1, sg_page(assoc2), assoc2->length, assoc2->offset); + sg_set_page(hsg, sg_page(assoc), 4, assoc->offset); + sg_set_page(hsg + 1, sg_page(assoc), 4, assoc->offset + 8); sg_init_table(tsg, 1); - sg_set_page(tsg, sg_page(assoc1), assoc1->length, assoc1->offset); + sg_set_page(tsg, sg_page(assoc), 4, assoc->offset + 4); areq_ctx->cryptlen = cryptlen; - areq_ctx->headlen = assoc->length + assoc2->length; - areq_ctx->trailen = assoc1->length; + areq_ctx->headlen = 8; + areq_ctx->trailen = 4; areq_ctx->sg = dst; areq_ctx->complete = authenc_esn_geniv_ahash_done; @@ -563,8 +553,6 @@ static int crypto_authenc_esn_iverify(struct aead_request *req, u8 *iv, struct scatterlist *cipher = areq_ctx->cipher; struct scatterlist *hsg = areq_ctx->hsg; struct scatterlist *tsg = areq_ctx->tsg; - struct scatterlist *assoc1; - struct scatterlist *assoc2; unsigned int ivsize = crypto_aead_ivsize(authenc_esn); struct page *srcp; u8 *vsrc; @@ -580,27 +568,19 @@ static int crypto_authenc_esn_iverify(struct aead_request *req, u8 *iv, cryptlen += ivsize; } - if (sg_is_last(assoc)) - return -EINVAL; - - assoc1 = assoc + 1; - if (sg_is_last(assoc1)) - return -EINVAL; - - assoc2 = assoc + 2; - if (!sg_is_last(assoc2)) + if (assoc->length < 12) return -EINVAL; sg_init_table(hsg, 2); - sg_set_page(hsg, sg_page(assoc), assoc->length, assoc->offset); - sg_set_page(hsg + 1, sg_page(assoc2), assoc2->length, assoc2->offset); + sg_set_page(hsg, sg_page(assoc), 4, assoc->offset); + sg_set_page(hsg + 1, sg_page(assoc), 4, assoc->offset + 8); sg_init_table(tsg, 1); - sg_set_page(tsg, sg_page(assoc1), assoc1->length, assoc1->offset); + sg_set_page(tsg, sg_page(assoc), 4, assoc->offset + 4); areq_ctx->cryptlen = cryptlen; - areq_ctx->headlen = assoc->length + assoc2->length; - areq_ctx->trailen = assoc1->length; + areq_ctx->headlen = 8; + areq_ctx->trailen = 4; areq_ctx->sg = src; areq_ctx->complete = authenc_esn_verify_ahash_done; diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index 569ee090343f..46b58abb08c5 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -352,13 +352,16 @@ static int acpi_lpss_create_device(struct acpi_device *adev, pdata->mmio_size = resource_size(rentry->res); pdata->mmio_base = ioremap(rentry->res->start, pdata->mmio_size); - if (!pdata->mmio_base) - goto err_out; break; } acpi_dev_free_resource_list(&resource_list); + if (!pdata->mmio_base) { + ret = -ENOMEM; + goto err_out; + } + pdata->dev_desc = dev_desc; if (dev_desc->setup) diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 717afcdb5f4a..88dbbb115285 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -231,7 +231,7 @@ int acpi_device_set_power(struct acpi_device *device, int state) dev_warn(&device->dev, "Failed to change power state to %s\n", acpi_power_state_string(state)); } else { - device->power.state = state; + device->power.state = target_state; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] transitioned to %s\n", device->pnp.bus_id, diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index 2161fa178c8d..628a42c41ab1 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -18,6 +18,7 @@ #include <linux/list.h> #include <linux/acpi.h> #include <linux/sort.h> +#include <linux/pmem.h> #include <linux/io.h> #include "nfit.h" @@ -305,6 +306,23 @@ static bool add_idt(struct acpi_nfit_desc *acpi_desc, return true; } +static bool add_flush(struct acpi_nfit_desc *acpi_desc, + struct acpi_nfit_flush_address *flush) +{ + struct device *dev = acpi_desc->dev; + struct nfit_flush *nfit_flush = devm_kzalloc(dev, sizeof(*nfit_flush), + GFP_KERNEL); + + if (!nfit_flush) + return false; + INIT_LIST_HEAD(&nfit_flush->list); + nfit_flush->flush = flush; + list_add_tail(&nfit_flush->list, &acpi_desc->flushes); + dev_dbg(dev, "%s: nfit_flush handle: %d hint_count: %d\n", __func__, + flush->device_handle, flush->hint_count); + return true; +} + static void *add_table(struct acpi_nfit_desc *acpi_desc, void *table, const void *end) { @@ -338,7 +356,8 @@ static void *add_table(struct acpi_nfit_desc *acpi_desc, void *table, return err; break; case ACPI_NFIT_TYPE_FLUSH_ADDRESS: - dev_dbg(dev, "%s: flush\n", __func__); + if (!add_flush(acpi_desc, table)) + return err; break; case ACPI_NFIT_TYPE_SMBIOS: dev_dbg(dev, "%s: smbios\n", __func__); @@ -389,6 +408,7 @@ static int nfit_mem_add(struct acpi_nfit_desc *acpi_desc, { u16 dcr = __to_nfit_memdev(nfit_mem)->region_index; struct nfit_memdev *nfit_memdev; + struct nfit_flush *nfit_flush; struct nfit_dcr *nfit_dcr; struct nfit_bdw *nfit_bdw; struct nfit_idt *nfit_idt; @@ -442,6 +462,14 @@ static int nfit_mem_add(struct acpi_nfit_desc *acpi_desc, nfit_mem->idt_bdw = nfit_idt->idt; break; } + + list_for_each_entry(nfit_flush, &acpi_desc->flushes, list) { + if (nfit_flush->flush->device_handle != + nfit_memdev->memdev->device_handle) + continue; + nfit_mem->nfit_flush = nfit_flush; + break; + } break; } @@ -978,6 +1006,24 @@ static u64 to_interleave_offset(u64 offset, struct nfit_blk_mmio *mmio) return mmio->base_offset + line_offset + table_offset + sub_line_offset; } +static void wmb_blk(struct nfit_blk *nfit_blk) +{ + + if (nfit_blk->nvdimm_flush) { + /* + * The first wmb() is needed to 'sfence' all previous writes + * such that they are architecturally visible for the platform + * buffer flush. Note that we've already arranged for pmem + * writes to avoid the cache via arch_memcpy_to_pmem(). The + * final wmb() ensures ordering for the NVDIMM flush write. + */ + wmb(); + writeq(1, nfit_blk->nvdimm_flush); + wmb(); + } else + wmb_pmem(); +} + static u64 read_blk_stat(struct nfit_blk *nfit_blk, unsigned int bw) { struct nfit_blk_mmio *mmio = &nfit_blk->mmio[DCR]; @@ -1012,7 +1058,10 @@ static void write_blk_ctl(struct nfit_blk *nfit_blk, unsigned int bw, offset = to_interleave_offset(offset, mmio); writeq(cmd, mmio->base + offset); - /* FIXME: conditionally perform read-back if mandated by firmware */ + wmb_blk(nfit_blk); + + if (nfit_blk->dimm_flags & ND_BLK_DCR_LATCH) + readq(mmio->base + offset); } static int acpi_nfit_blk_single_io(struct nfit_blk *nfit_blk, @@ -1026,7 +1075,6 @@ static int acpi_nfit_blk_single_io(struct nfit_blk *nfit_blk, base_offset = nfit_blk->bdw_offset + dpa % L1_CACHE_BYTES + lane * mmio->size; - /* TODO: non-temporal access, flush hints, cache management etc... */ write_blk_ctl(nfit_blk, lane, dpa, len, rw); while (len) { unsigned int c; @@ -1045,13 +1093,19 @@ static int acpi_nfit_blk_single_io(struct nfit_blk *nfit_blk, } if (rw) - memcpy(mmio->aperture + offset, iobuf + copied, c); + memcpy_to_pmem(mmio->aperture + offset, + iobuf + copied, c); else - memcpy(iobuf + copied, mmio->aperture + offset, c); + memcpy_from_pmem(iobuf + copied, + mmio->aperture + offset, c); copied += c; len -= c; } + + if (rw) + wmb_blk(nfit_blk); + rc = read_blk_stat(nfit_blk, lane) ? -EIO : 0; return rc; } @@ -1124,7 +1178,7 @@ static void nfit_spa_unmap(struct acpi_nfit_desc *acpi_desc, } static void __iomem *__nfit_spa_map(struct acpi_nfit_desc *acpi_desc, - struct acpi_nfit_system_address *spa) + struct acpi_nfit_system_address *spa, enum spa_map_type type) { resource_size_t start = spa->address; resource_size_t n = spa->length; @@ -1152,8 +1206,15 @@ static void __iomem *__nfit_spa_map(struct acpi_nfit_desc *acpi_desc, if (!res) goto err_mem; - /* TODO: cacheability based on the spa type */ - spa_map->iomem = ioremap_nocache(start, n); + if (type == SPA_MAP_APERTURE) { + /* + * TODO: memremap_pmem() support, but that requires cache + * flushing when the aperture is moved. + */ + spa_map->iomem = ioremap_wc(start, n); + } else + spa_map->iomem = ioremap_nocache(start, n); + if (!spa_map->iomem) goto err_map; @@ -1171,6 +1232,7 @@ static void __iomem *__nfit_spa_map(struct acpi_nfit_desc *acpi_desc, * nfit_spa_map - interleave-aware managed-mappings of acpi_nfit_system_address ranges * @nvdimm_bus: NFIT-bus that provided the spa table entry * @nfit_spa: spa table to map + * @type: aperture or control region * * In the case where block-data-window apertures and * dimm-control-regions are interleaved they will end up sharing a @@ -1180,12 +1242,12 @@ static void __iomem *__nfit_spa_map(struct acpi_nfit_desc *acpi_desc, * unbound. */ static void __iomem *nfit_spa_map(struct acpi_nfit_desc *acpi_desc, - struct acpi_nfit_system_address *spa) + struct acpi_nfit_system_address *spa, enum spa_map_type type) { void __iomem *iomem; mutex_lock(&acpi_desc->spa_map_mutex); - iomem = __nfit_spa_map(acpi_desc, spa); + iomem = __nfit_spa_map(acpi_desc, spa, type); mutex_unlock(&acpi_desc->spa_map_mutex); return iomem; @@ -1206,12 +1268,35 @@ static int nfit_blk_init_interleave(struct nfit_blk_mmio *mmio, return 0; } +static int acpi_nfit_blk_get_flags(struct nvdimm_bus_descriptor *nd_desc, + struct nvdimm *nvdimm, struct nfit_blk *nfit_blk) +{ + struct nd_cmd_dimm_flags flags; + int rc; + + memset(&flags, 0, sizeof(flags)); + rc = nd_desc->ndctl(nd_desc, nvdimm, ND_CMD_DIMM_FLAGS, &flags, + sizeof(flags)); + + if (rc >= 0 && flags.status == 0) + nfit_blk->dimm_flags = flags.flags; + else if (rc == -ENOTTY) { + /* fall back to a conservative default */ + nfit_blk->dimm_flags = ND_BLK_DCR_LATCH; + rc = 0; + } else + rc = -ENXIO; + + return rc; +} + static int acpi_nfit_blk_region_enable(struct nvdimm_bus *nvdimm_bus, struct device *dev) { struct nvdimm_bus_descriptor *nd_desc = to_nd_desc(nvdimm_bus); struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc); struct nd_blk_region *ndbr = to_nd_blk_region(dev); + struct nfit_flush *nfit_flush; struct nfit_blk_mmio *mmio; struct nfit_blk *nfit_blk; struct nfit_mem *nfit_mem; @@ -1223,8 +1308,8 @@ static int acpi_nfit_blk_region_enable(struct nvdimm_bus *nvdimm_bus, if (!nfit_mem || !nfit_mem->dcr || !nfit_mem->bdw) { dev_dbg(dev, "%s: missing%s%s%s\n", __func__, nfit_mem ? "" : " nfit_mem", - nfit_mem->dcr ? "" : " dcr", - nfit_mem->bdw ? "" : " bdw"); + (nfit_mem && nfit_mem->dcr) ? "" : " dcr", + (nfit_mem && nfit_mem->bdw) ? "" : " bdw"); return -ENXIO; } @@ -1237,7 +1322,8 @@ static int acpi_nfit_blk_region_enable(struct nvdimm_bus *nvdimm_bus, /* map block aperture memory */ nfit_blk->bdw_offset = nfit_mem->bdw->offset; mmio = &nfit_blk->mmio[BDW]; - mmio->base = nfit_spa_map(acpi_desc, nfit_mem->spa_bdw); + mmio->base = nfit_spa_map(acpi_desc, nfit_mem->spa_bdw, + SPA_MAP_APERTURE); if (!mmio->base) { dev_dbg(dev, "%s: %s failed to map bdw\n", __func__, nvdimm_name(nvdimm)); @@ -1259,7 +1345,8 @@ static int acpi_nfit_blk_region_enable(struct nvdimm_bus *nvdimm_bus, nfit_blk->cmd_offset = nfit_mem->dcr->command_offset; nfit_blk->stat_offset = nfit_mem->dcr->status_offset; mmio = &nfit_blk->mmio[DCR]; - mmio->base = nfit_spa_map(acpi_desc, nfit_mem->spa_dcr); + mmio->base = nfit_spa_map(acpi_desc, nfit_mem->spa_dcr, + SPA_MAP_CONTROL); if (!mmio->base) { dev_dbg(dev, "%s: %s failed to map dcr\n", __func__, nvdimm_name(nvdimm)); @@ -1277,6 +1364,24 @@ static int acpi_nfit_blk_region_enable(struct nvdimm_bus *nvdimm_bus, return rc; } + rc = acpi_nfit_blk_get_flags(nd_desc, nvdimm, nfit_blk); + if (rc < 0) { + dev_dbg(dev, "%s: %s failed get DIMM flags\n", + __func__, nvdimm_name(nvdimm)); + return rc; + } + + nfit_flush = nfit_mem->nfit_flush; + if (nfit_flush && nfit_flush->flush->hint_count != 0) { + nfit_blk->nvdimm_flush = devm_ioremap_nocache(dev, + nfit_flush->flush->hint_address[0], 8); + if (!nfit_blk->nvdimm_flush) + return -ENOMEM; + } + + if (!arch_has_pmem_api() && !nfit_blk->nvdimm_flush) + dev_warn(dev, "unable to guarantee persistence of writes\n"); + if (mmio->line_size == 0) return 0; @@ -1459,6 +1564,7 @@ int acpi_nfit_init(struct acpi_nfit_desc *acpi_desc, acpi_size sz) INIT_LIST_HEAD(&acpi_desc->dcrs); INIT_LIST_HEAD(&acpi_desc->bdws); INIT_LIST_HEAD(&acpi_desc->idts); + INIT_LIST_HEAD(&acpi_desc->flushes); INIT_LIST_HEAD(&acpi_desc->memdevs); INIT_LIST_HEAD(&acpi_desc->dimms); mutex_init(&acpi_desc->spa_map_mutex); diff --git a/drivers/acpi/nfit.h b/drivers/acpi/nfit.h index 81f2e8c5a79c..79b6d83875c1 100644 --- a/drivers/acpi/nfit.h +++ b/drivers/acpi/nfit.h @@ -40,6 +40,10 @@ enum nfit_uuids { NFIT_UUID_MAX, }; +enum { + ND_BLK_DCR_LATCH = 2, +}; + struct nfit_spa { struct acpi_nfit_system_address *spa; struct list_head list; @@ -60,6 +64,11 @@ struct nfit_idt { struct list_head list; }; +struct nfit_flush { + struct acpi_nfit_flush_address *flush; + struct list_head list; +}; + struct nfit_memdev { struct acpi_nfit_memory_map *memdev; struct list_head list; @@ -77,6 +86,7 @@ struct nfit_mem { struct acpi_nfit_system_address *spa_bdw; struct acpi_nfit_interleave *idt_dcr; struct acpi_nfit_interleave *idt_bdw; + struct nfit_flush *nfit_flush; struct list_head list; struct acpi_device *adev; unsigned long dsm_mask; @@ -88,6 +98,7 @@ struct acpi_nfit_desc { struct mutex spa_map_mutex; struct list_head spa_maps; struct list_head memdevs; + struct list_head flushes; struct list_head dimms; struct list_head spas; struct list_head dcrs; @@ -109,7 +120,7 @@ struct nfit_blk { struct nfit_blk_mmio { union { void __iomem *base; - void *aperture; + void __pmem *aperture; }; u64 size; u64 base_offset; @@ -123,6 +134,13 @@ struct nfit_blk { u64 bdw_offset; /* post interleave offset */ u64 stat_offset; u64 cmd_offset; + void __iomem *nvdimm_flush; + u32 dimm_flags; +}; + +enum spa_map_type { + SPA_MAP_CONTROL, + SPA_MAP_APERTURE, }; struct nfit_spa_mapping { diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index c262e4acd68d..3b8963f21b36 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -175,10 +175,14 @@ static void __init acpi_request_region (struct acpi_generic_address *gas, if (!addr || !length) return; - acpi_reserve_region(addr, length, gas->space_id, 0, desc); + /* Resources are never freed */ + if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO) + request_region(addr, length, desc); + else if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) + request_mem_region(addr, length, desc); } -static void __init acpi_reserve_resources(void) +static int __init acpi_reserve_resources(void) { acpi_request_region(&acpi_gbl_FADT.xpm1a_event_block, acpi_gbl_FADT.pm1_event_length, "ACPI PM1a_EVT_BLK"); @@ -207,7 +211,10 @@ static void __init acpi_reserve_resources(void) if (!(acpi_gbl_FADT.gpe1_block_length & 0x1)) acpi_request_region(&acpi_gbl_FADT.xgpe1_block, acpi_gbl_FADT.gpe1_block_length, "ACPI GPE1_BLK"); + + return 0; } +fs_initcall_sync(acpi_reserve_resources); void acpi_os_printf(const char *fmt, ...) { @@ -1862,7 +1869,6 @@ acpi_status __init acpi_os_initialize(void) acpi_status __init acpi_os_initialize1(void) { - acpi_reserve_resources(); kacpid_wq = alloc_workqueue("kacpid", 0, 1); kacpi_notify_wq = alloc_workqueue("kacpi_notify", 0, 1); kacpi_hotplug_wq = alloc_ordered_workqueue("kacpi_hotplug", 0); diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 10561ce16ed1..f1c966e05078 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -26,7 +26,6 @@ #include <linux/device.h> #include <linux/export.h> #include <linux/ioport.h> -#include <linux/list.h> #include <linux/slab.h> #ifdef CONFIG_X86 @@ -194,6 +193,7 @@ static bool acpi_decode_space(struct resource_win *win, u8 iodec = attr->granularity == 0xfff ? ACPI_DECODE_10 : ACPI_DECODE_16; bool wp = addr->info.mem.write_protect; u64 len = attr->address_length; + u64 start, end, offset = 0; struct resource *res = &win->res; /* @@ -205,9 +205,6 @@ static bool acpi_decode_space(struct resource_win *win, pr_debug("ACPI: Invalid address space min_addr_fix %d, max_addr_fix %d, len %llx\n", addr->min_address_fixed, addr->max_address_fixed, len); - res->start = attr->minimum; - res->end = attr->maximum; - /* * For bridges that translate addresses across the bridge, * translation_offset is the offset that must be added to the @@ -215,12 +212,22 @@ static bool acpi_decode_space(struct resource_win *win, * primary side. Non-bridge devices must list 0 for all Address * Translation offset bits. */ - if (addr->producer_consumer == ACPI_PRODUCER) { - res->start += attr->translation_offset; - res->end += attr->translation_offset; - } else if (attr->translation_offset) { + if (addr->producer_consumer == ACPI_PRODUCER) + offset = attr->translation_offset; + else if (attr->translation_offset) pr_debug("ACPI: translation_offset(%lld) is invalid for non-bridge device.\n", attr->translation_offset); + start = attr->minimum + offset; + end = attr->maximum + offset; + + win->offset = offset; + res->start = start; + res->end = end; + if (sizeof(resource_size_t) < sizeof(u64) && + (offset != win->offset || start != res->start || end != res->end)) { + pr_warn("acpi resource window ([%#llx-%#llx] ignored, not CPU addressable)\n", + attr->minimum, attr->maximum); + return false; } switch (addr->resource_type) { @@ -237,8 +244,6 @@ static bool acpi_decode_space(struct resource_win *win, return false; } - win->offset = attr->translation_offset; - if (addr->producer_consumer == ACPI_PRODUCER) res->flags |= IORESOURCE_WINDOW; @@ -622,164 +627,3 @@ int acpi_dev_filter_resource_type(struct acpi_resource *ares, return (type & types) ? 0 : 1; } EXPORT_SYMBOL_GPL(acpi_dev_filter_resource_type); - -struct reserved_region { - struct list_head node; - u64 start; - u64 end; -}; - -static LIST_HEAD(reserved_io_regions); -static LIST_HEAD(reserved_mem_regions); - -static int request_range(u64 start, u64 end, u8 space_id, unsigned long flags, - char *desc) -{ - unsigned int length = end - start + 1; - struct resource *res; - - res = space_id == ACPI_ADR_SPACE_SYSTEM_IO ? - request_region(start, length, desc) : - request_mem_region(start, length, desc); - if (!res) - return -EIO; - - res->flags &= ~flags; - return 0; -} - -static int add_region_before(u64 start, u64 end, u8 space_id, - unsigned long flags, char *desc, - struct list_head *head) -{ - struct reserved_region *reg; - int error; - - reg = kmalloc(sizeof(*reg), GFP_KERNEL); - if (!reg) - return -ENOMEM; - - error = request_range(start, end, space_id, flags, desc); - if (error) { - kfree(reg); - return error; - } - - reg->start = start; - reg->end = end; - list_add_tail(®->node, head); - return 0; -} - -/** - * acpi_reserve_region - Reserve an I/O or memory region as a system resource. - * @start: Starting address of the region. - * @length: Length of the region. - * @space_id: Identifier of address space to reserve the region from. - * @flags: Resource flags to clear for the region after requesting it. - * @desc: Region description (for messages). - * - * Reserve an I/O or memory region as a system resource to prevent others from - * using it. If the new region overlaps with one of the regions (in the given - * address space) already reserved by this routine, only the non-overlapping - * parts of it will be reserved. - * - * Returned is either 0 (success) or a negative error code indicating a resource - * reservation problem. It is the code of the first encountered error, but the - * routine doesn't abort until it has attempted to request all of the parts of - * the new region that don't overlap with other regions reserved previously. - * - * The resources requested by this routine are never released. - */ -int acpi_reserve_region(u64 start, unsigned int length, u8 space_id, - unsigned long flags, char *desc) -{ - struct list_head *regions; - struct reserved_region *reg; - u64 end = start + length - 1; - int ret = 0, error = 0; - - if (space_id == ACPI_ADR_SPACE_SYSTEM_IO) - regions = &reserved_io_regions; - else if (space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) - regions = &reserved_mem_regions; - else - return -EINVAL; - - if (list_empty(regions)) - return add_region_before(start, end, space_id, flags, desc, regions); - - list_for_each_entry(reg, regions, node) - if (reg->start == end + 1) { - /* The new region can be prepended to this one. */ - ret = request_range(start, end, space_id, flags, desc); - if (!ret) - reg->start = start; - - return ret; - } else if (reg->start > end) { - /* No overlap. Add the new region here and get out. */ - return add_region_before(start, end, space_id, flags, - desc, ®->node); - } else if (reg->end == start - 1) { - goto combine; - } else if (reg->end >= start) { - goto overlap; - } - - /* The new region goes after the last existing one. */ - return add_region_before(start, end, space_id, flags, desc, regions); - - overlap: - /* - * The new region overlaps an existing one. - * - * The head part of the new region immediately preceding the existing - * overlapping one can be combined with it right away. - */ - if (reg->start > start) { - error = request_range(start, reg->start - 1, space_id, flags, desc); - if (error) - ret = error; - else - reg->start = start; - } - - combine: - /* - * The new region is adjacent to an existing one. If it extends beyond - * that region all the way to the next one, it is possible to combine - * all three of them. - */ - while (reg->end < end) { - struct reserved_region *next = NULL; - u64 a = reg->end + 1, b = end; - - if (!list_is_last(®->node, regions)) { - next = list_next_entry(reg, node); - if (next->start <= end) - b = next->start - 1; - } - error = request_range(a, b, space_id, flags, desc); - if (!error) { - if (next && next->start == b + 1) { - reg->end = next->end; - list_del(&next->node); - kfree(next); - } else { - reg->end = end; - break; - } - } else if (next) { - if (!ret) - ret = error; - - reg = next; - } else { - break; - } - } - - return ret ? ret : error; -} -EXPORT_SYMBOL_GPL(acpi_reserve_region); diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 2649a068671d..ec256352f423 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1019,6 +1019,29 @@ static bool acpi_of_match_device(struct acpi_device *adev, return false; } +static bool __acpi_match_device_cls(const struct acpi_device_id *id, + struct acpi_hardware_id *hwid) +{ + int i, msk, byte_shift; + char buf[3]; + + if (!id->cls) + return false; + + /* Apply class-code bitmask, before checking each class-code byte */ + for (i = 1; i <= 3; i++) { + byte_shift = 8 * (3 - i); + msk = (id->cls_msk >> byte_shift) & 0xFF; + if (!msk) + continue; + + sprintf(buf, "%02x", (id->cls >> byte_shift) & msk); + if (strncmp(buf, &hwid->id[(i - 1) * 2], 2)) + return false; + } + return true; +} + static const struct acpi_device_id *__acpi_match_device( struct acpi_device *device, const struct acpi_device_id *ids, @@ -1036,9 +1059,12 @@ static const struct acpi_device_id *__acpi_match_device( list_for_each_entry(hwid, &device->pnp.ids, list) { /* First, check the ACPI/PNP IDs provided by the caller. */ - for (id = ids; id->id[0]; id++) - if (!strcmp((char *) id->id, hwid->id)) + for (id = ids; id->id[0] || id->cls; id++) { + if (id->id[0] && !strcmp((char *) id->id, hwid->id)) return id; + else if (id->cls && __acpi_match_device_cls(id, hwid)) + return id; + } /* * Next, check ACPI_DT_NAMESPACE_HID and try to match the @@ -2101,6 +2127,8 @@ static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp, if (info->valid & ACPI_VALID_UID) pnp->unique_id = kstrdup(info->unique_id.string, GFP_KERNEL); + if (info->valid & ACPI_VALID_CLS) + acpi_add_id(pnp, info->class_code.string); kfree(info); diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 815f75ef2411..2922f1f252d5 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -32,6 +32,7 @@ #include <linux/module.h> #include <linux/pci.h> #include <linux/types.h> +#include <linux/workqueue.h> #include <acpi/video.h> ACPI_MODULE_NAME("video"); @@ -41,6 +42,7 @@ void acpi_video_unregister_backlight(void); static bool backlight_notifier_registered; static struct notifier_block backlight_nb; +static struct work_struct backlight_notify_work; static enum acpi_backlight_type acpi_backlight_cmdline = acpi_backlight_undef; static enum acpi_backlight_type acpi_backlight_dmi = acpi_backlight_undef; @@ -262,6 +264,13 @@ static const struct dmi_system_id video_detect_dmi_table[] = { { }, }; +/* This uses a workqueue to avoid various locking ordering issues */ +static void acpi_video_backlight_notify_work(struct work_struct *work) +{ + if (acpi_video_get_backlight_type() != acpi_backlight_video) + acpi_video_unregister_backlight(); +} + static int acpi_video_backlight_notify(struct notifier_block *nb, unsigned long val, void *bd) { @@ -269,9 +278,8 @@ static int acpi_video_backlight_notify(struct notifier_block *nb, /* A raw bl registering may change video -> native */ if (backlight->props.type == BACKLIGHT_RAW && - val == BACKLIGHT_REGISTERED && - acpi_video_get_backlight_type() != acpi_backlight_video) - acpi_video_unregister_backlight(); + val == BACKLIGHT_REGISTERED) + schedule_work(&backlight_notify_work); return NOTIFY_OK; } @@ -304,6 +312,8 @@ enum acpi_backlight_type acpi_video_get_backlight_type(void) acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, find_video, NULL, &video_caps, NULL); + INIT_WORK(&backlight_notify_work, + acpi_video_backlight_notify_work); backlight_nb.notifier_call = acpi_video_backlight_notify; backlight_nb.priority = 0; if (backlight_register_notifier(&backlight_nb) == 0) diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 6d17a3b65ef7..15e40ee62a94 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -48,7 +48,7 @@ config ATA_VERBOSE_ERROR config ATA_ACPI bool "ATA ACPI Support" - depends on ACPI && PCI + depends on ACPI default y help This option adds support for ATA-related ACPI objects. diff --git a/drivers/ata/ahci_brcmstb.c b/drivers/ata/ahci_brcmstb.c index ce1e3a885981..14b7305d2ba0 100644 --- a/drivers/ata/ahci_brcmstb.c +++ b/drivers/ata/ahci_brcmstb.c @@ -92,7 +92,7 @@ static inline u32 brcm_sata_readreg(void __iomem *addr) * Other architectures (e.g., ARM) either do not support big endian, or * else leave I/O in little endian mode. */ - if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(__BIG_ENDIAN)) + if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) return __raw_readl(addr); else return readl_relaxed(addr); @@ -101,7 +101,7 @@ static inline u32 brcm_sata_readreg(void __iomem *addr) static inline void brcm_sata_writereg(u32 val, void __iomem *addr) { /* See brcm_sata_readreg() comments */ - if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(__BIG_ENDIAN)) + if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) __raw_writel(val, addr); else writel_relaxed(val, addr); @@ -209,6 +209,7 @@ static void brcm_sata_init(struct brcm_ahci_priv *priv) priv->top_ctrl + SATA_TOP_CTRL_BUS_CTRL); } +#ifdef CONFIG_PM_SLEEP static int brcm_ahci_suspend(struct device *dev) { struct ata_host *host = dev_get_drvdata(dev); @@ -231,6 +232,7 @@ static int brcm_ahci_resume(struct device *dev) brcm_sata_phys_enable(priv); return ahci_platform_resume(dev); } +#endif static struct scsi_host_template ahci_platform_sht = { AHCI_SHT(DRV_NAME), diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index 614c78f510f0..1befb114c384 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -20,6 +20,8 @@ #include <linux/platform_device.h> #include <linux/libata.h> #include <linux/ahci_platform.h> +#include <linux/acpi.h> +#include <linux/pci_ids.h> #include "ahci.h" #define DRV_NAME "ahci" @@ -79,12 +81,19 @@ static const struct of_device_id ahci_of_match[] = { }; MODULE_DEVICE_TABLE(of, ahci_of_match); +static const struct acpi_device_id ahci_acpi_match[] = { + { ACPI_DEVICE_CLASS(PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff) }, + {}, +}; +MODULE_DEVICE_TABLE(acpi, ahci_acpi_match); + static struct platform_driver ahci_driver = { .probe = ahci_probe, .remove = ata_platform_remove_one, .driver = { .name = DRV_NAME, .of_match_table = ahci_of_match, + .acpi_match_table = ahci_acpi_match, .pm = &ahci_pm_ops, }, }; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index e83fc3d0da9c..19bcb80b2031 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -694,11 +694,11 @@ static int ata_rwcmd_protocol(struct ata_taskfile *tf, struct ata_device *dev) * RETURNS: * Block address read from @tf. */ -u64 ata_tf_read_block(const struct ata_taskfile *tf, struct ata_device *dev) +u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev) { u64 block = 0; - if (!dev || tf->flags & ATA_TFLAG_LBA) { + if (tf->flags & ATA_TFLAG_LBA) { if (tf->flags & ATA_TFLAG_LBA48) { block |= (u64)tf->hob_lbah << 40; block |= (u64)tf->hob_lbam << 32; @@ -2147,24 +2147,6 @@ static int ata_dev_config_ncq(struct ata_device *dev, return 0; } -static void ata_dev_config_sense_reporting(struct ata_device *dev) -{ - unsigned int err_mask; - - if (!ata_id_has_sense_reporting(dev->id)) - return; - - if (ata_id_sense_reporting_enabled(dev->id)) - return; - - err_mask = ata_dev_set_feature(dev, SETFEATURE_SENSE_DATA, 0x1); - if (err_mask) { - ata_dev_dbg(dev, - "failed to enable Sense Data Reporting, Emask 0x%x\n", - err_mask); - } -} - /** * ata_dev_configure - Configure the specified ATA/ATAPI device * @dev: Target device to configure @@ -2387,7 +2369,7 @@ int ata_dev_configure(struct ata_device *dev) dev->devslp_timing[i] = sata_setting[j]; } } - ata_dev_config_sense_reporting(dev); + dev->cdb_len = 16; } @@ -2478,6 +2460,10 @@ int ata_dev_configure(struct ata_device *dev) dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128, dev->max_sectors); + if (dev->horkage & ATA_HORKAGE_MAX_SEC_1024) + dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_1024, + dev->max_sectors); + if (dev->horkage & ATA_HORKAGE_MAX_SEC_LBA48) dev->max_sectors = ATA_MAX_SECTORS_LBA48; @@ -4146,6 +4132,12 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "Slimtype DVD A DS8A8SH", NULL, ATA_HORKAGE_MAX_SEC_LBA48 }, { "Slimtype DVD A DS8A9SH", NULL, ATA_HORKAGE_MAX_SEC_LBA48 }, + /* + * Causes silent data corruption with higher max sects. + * http://lkml.kernel.org/g/x49wpy40ysk.fsf@segfault.boston.devel.redhat.com + */ + { "ST380013AS", "3.20", ATA_HORKAGE_MAX_SEC_1024 }, + /* Devices we expect to fail diagnostics */ /* Devices where NCQ should be avoided */ @@ -4174,9 +4166,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "ST3320[68]13AS", "SD1[5-9]", ATA_HORKAGE_NONCQ | ATA_HORKAGE_FIRMWARE_WARN }, - /* Seagate Momentus SpinPoint M8 seem to have FPMDA_AA issues */ + /* drives which fail FPDMA_AA activation (some may freeze afterwards) */ { "ST1000LM024 HN-M101MBB", "2AR10001", ATA_HORKAGE_BROKEN_FPDMA_AA }, { "ST1000LM024 HN-M101MBB", "2BA30001", ATA_HORKAGE_BROKEN_FPDMA_AA }, + { "VB0250EAVER", "HPG7", ATA_HORKAGE_BROKEN_FPDMA_AA }, /* Blacklist entries taken from Silicon Image 3124/3132 Windows driver .inf file - also several Linux problem reports */ @@ -4229,7 +4222,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "Crucial_CT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, - { "Micron_M5[15]0*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM | + { "Micron_M5[15]0_*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "Crucial_CT*M550*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, @@ -4238,6 +4231,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "Samsung SSD 8*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, + /* devices that don't properly handle TRIM commands */ + { "SuperSSpeed S238*", NULL, ATA_HORKAGE_NOTRIM, }, + /* * As defined, the DRAT (Deterministic Read After Trim) and RZAT * (Return Zero After Trim) flags in the ATA Command Set are @@ -4501,7 +4497,8 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev) else /* In the ancient relic department - skip all of this */ return 0; - err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0); + /* On some disks, this command causes spin-up, so we need longer timeout */ + err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 15000); DPRINTK("EXIT, err_mask=%x\n", err_mask); return err_mask; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 7465031a893c..cb0508af1459 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1592,8 +1592,6 @@ static int ata_eh_read_log_10h(struct ata_device *dev, tf->hob_lbah = buf[10]; tf->nsect = buf[12]; tf->hob_nsect = buf[13]; - if (ata_id_has_ncq_autosense(dev->id)) - tf->auxiliary = buf[14] << 16 | buf[15] << 8 | buf[16]; return 0; } @@ -1630,70 +1628,6 @@ unsigned int atapi_eh_tur(struct ata_device *dev, u8 *r_sense_key) } /** - * ata_eh_request_sense - perform REQUEST_SENSE_DATA_EXT - * @dev: device to perform REQUEST_SENSE_SENSE_DATA_EXT to - * @sense_buf: result sense data buffer (SCSI_SENSE_BUFFERSIZE bytes long) - * @dfl_sense_key: default sense key to use - * - * Perform REQUEST_SENSE_DATA_EXT after the device reported CHECK - * SENSE. This function is EH helper. - * - * LOCKING: - * Kernel thread context (may sleep). - * - * RETURNS: - * encoded sense data on success, 0 on failure or if sense data - * is not available. - */ -static u32 ata_eh_request_sense(struct ata_queued_cmd *qc, - struct scsi_cmnd *cmd) -{ - struct ata_device *dev = qc->dev; - struct ata_taskfile tf; - unsigned int err_mask; - - if (!cmd) - return 0; - - DPRINTK("ATA request sense\n"); - ata_dev_warn(dev, "request sense\n"); - if (!ata_id_sense_reporting_enabled(dev->id)) { - ata_dev_warn(qc->dev, "sense data reporting disabled\n"); - return 0; - } - ata_tf_init(dev, &tf); - - tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; - tf.flags |= ATA_TFLAG_LBA | ATA_TFLAG_LBA48; - tf.command = ATA_CMD_REQ_SENSE_DATA; - tf.protocol = ATA_PROT_NODATA; - - err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0); - /* - * ACS-4 states: - * The device may set the SENSE DATA AVAILABLE bit to one in the - * STATUS field and clear the ERROR bit to zero in the STATUS field - * to indicate that the command returned completion without an error - * and the sense data described in table 306 is available. - * - * IOW the 'ATA_SENSE' bit might not be set even though valid - * sense data is available. - * So check for both. - */ - if ((tf.command & ATA_SENSE) || - tf.lbah != 0 || tf.lbam != 0 || tf.lbal != 0) { - ata_scsi_set_sense(cmd, tf.lbah, tf.lbam, tf.lbal); - qc->flags |= ATA_QCFLAG_SENSE_VALID; - ata_dev_warn(dev, "sense data %02x/%02x/%02x\n", - tf.lbah, tf.lbam, tf.lbal); - } else { - ata_dev_warn(dev, "request sense failed stat %02x emask %x\n", - tf.command, err_mask); - } - return err_mask; -} - -/** * atapi_eh_request_sense - perform ATAPI REQUEST_SENSE * @dev: device to perform REQUEST_SENSE to * @sense_buf: result sense data buffer (SCSI_SENSE_BUFFERSIZE bytes long) @@ -1855,19 +1789,6 @@ void ata_eh_analyze_ncq_error(struct ata_link *link) memcpy(&qc->result_tf, &tf, sizeof(tf)); qc->result_tf.flags = ATA_TFLAG_ISADDR | ATA_TFLAG_LBA | ATA_TFLAG_LBA48; qc->err_mask |= AC_ERR_DEV | AC_ERR_NCQ; - if (qc->result_tf.auxiliary) { - char sense_key, asc, ascq; - - sense_key = (qc->result_tf.auxiliary >> 16) & 0xff; - asc = (qc->result_tf.auxiliary >> 8) & 0xff; - ascq = qc->result_tf.auxiliary & 0xff; - ata_dev_dbg(dev, "NCQ Autosense %02x/%02x/%02x\n", - sense_key, asc, ascq); - ata_scsi_set_sense(qc->scsicmd, sense_key, asc, ascq); - ata_scsi_set_sense_information(qc->scsicmd, &qc->result_tf); - qc->flags |= ATA_QCFLAG_SENSE_VALID; - } - ehc->i.err_mask &= ~AC_ERR_DEV; } @@ -1897,27 +1818,6 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc, return ATA_EH_RESET; } - /* - * Sense data reporting does not work if the - * device fault bit is set. - */ - if ((stat & ATA_SENSE) && !(stat & ATA_DF) && - !(qc->flags & ATA_QCFLAG_SENSE_VALID)) { - if (!(qc->ap->pflags & ATA_PFLAG_FROZEN)) { - tmp = ata_eh_request_sense(qc, qc->scsicmd); - if (tmp) - qc->err_mask |= tmp; - else - ata_scsi_set_sense_information(qc->scsicmd, tf); - } else { - ata_dev_warn(qc->dev, "sense data available but port frozen\n"); - } - } - - /* Set by NCQ autosense or request sense above */ - if (qc->flags & ATA_QCFLAG_SENSE_VALID) - return 0; - if (stat & (ATA_ERR | ATA_DF)) qc->err_mask |= AC_ERR_DEV; else @@ -2661,15 +2561,14 @@ static void ata_eh_link_report(struct ata_link *link) #ifdef CONFIG_ATA_VERBOSE_ERROR if (res->command & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | - ATA_SENSE | ATA_ERR)) { + ATA_ERR)) { if (res->command & ATA_BUSY) ata_dev_err(qc->dev, "status: { Busy }\n"); else - ata_dev_err(qc->dev, "status: { %s%s%s%s%s}\n", + ata_dev_err(qc->dev, "status: { %s%s%s%s}\n", res->command & ATA_DRDY ? "DRDY " : "", res->command & ATA_DF ? "DF " : "", res->command & ATA_DRQ ? "DRQ " : "", - res->command & ATA_SENSE ? "SENSE " : "", res->command & ATA_ERR ? "ERR " : ""); } diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c index 7ccc084bf1df..85aa76116a30 100644 --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c @@ -460,6 +460,13 @@ static void sata_pmp_quirks(struct ata_port *ap) ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA; } + } else if (vendor == 0x11ab && devid == 0x4140) { + /* Marvell 4140 quirks */ + ata_for_each_link(link, ap, EDGE) { + /* port 4 is for SEMB device and it doesn't like SRST */ + if (link->pmp == 4) + link->flags |= ATA_LFLAG_DISABLED; + } } } diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 3131adcc1f87..0d7f0da3a269 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -270,28 +270,13 @@ DEVICE_ATTR(unload_heads, S_IRUGO | S_IWUSR, ata_scsi_park_show, ata_scsi_park_store); EXPORT_SYMBOL_GPL(dev_attr_unload_heads); -void ata_scsi_set_sense(struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq) +static void ata_scsi_set_sense(struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq) { - if (!cmd) - return; - cmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION; scsi_build_sense_buffer(0, cmd->sense_buffer, sk, asc, ascq); } -void ata_scsi_set_sense_information(struct scsi_cmnd *cmd, - const struct ata_taskfile *tf) -{ - u64 information; - - if (!cmd) - return; - - information = ata_tf_read_block(tf, NULL); - scsi_set_sense_information(cmd->sense_buffer, information); -} - static ssize_t ata_scsi_em_message_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -1792,9 +1777,7 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc) ((cdb[2] & 0x20) || need_sense)) { ata_gen_passthru_sense(qc); } else { - if (qc->flags & ATA_QCFLAG_SENSE_VALID) { - cmd->result = SAM_STAT_CHECK_CONDITION; - } else if (!need_sense) { + if (!need_sense) { cmd->result = SAM_STAT_GOOD; } else { /* TODO: decide which descriptor format to use @@ -2568,7 +2551,8 @@ static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf) rbuf[14] = (lowest_aligned >> 8) & 0x3f; rbuf[15] = lowest_aligned; - if (ata_id_has_trim(args->id)) { + if (ata_id_has_trim(args->id) && + !(dev->horkage & ATA_HORKAGE_NOTRIM)) { rbuf[14] |= 0x80; /* LBPME */ if (ata_id_has_zero_after_trim(args->id) && diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c index d6c37bcd416d..e2d94972962d 100644 --- a/drivers/ata/libata-transport.c +++ b/drivers/ata/libata-transport.c @@ -569,6 +569,8 @@ show_ata_dev_trim(struct device *dev, if (!ata_id_has_trim(ata_dev->id)) mode = "unsupported"; + else if (ata_dev->horkage & ATA_HORKAGE_NOTRIM) + mode = "forced_unsupported"; else if (ata_dev->horkage & ATA_HORKAGE_NO_NCQ_TRIM) mode = "forced_unqueued"; else if (ata_fpdma_dsm_supported(ata_dev)) diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index a998a175f9f1..f840ca18a7c0 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -67,8 +67,7 @@ extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev, int tag); extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev, u64 block, u32 n_block, unsigned int tf_flags, unsigned int tag); -extern u64 ata_tf_read_block(const struct ata_taskfile *tf, - struct ata_device *dev); +extern u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev); extern unsigned ata_exec_internal(struct ata_device *dev, struct ata_taskfile *tf, const u8 *cdb, int dma_dir, void *buf, unsigned int buflen, @@ -138,9 +137,6 @@ extern int ata_scsi_add_hosts(struct ata_host *host, struct scsi_host_template *sht); extern void ata_scsi_scan_host(struct ata_port *ap, int sync); extern int ata_scsi_offline_dev(struct ata_device *dev); -extern void ata_scsi_set_sense(struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq); -extern void ata_scsi_set_sense_information(struct scsi_cmnd *cmd, - const struct ata_taskfile *tf); extern void ata_scsi_media_change_notify(struct ata_device *dev); extern void ata_scsi_hotplug(struct work_struct *work); extern void ata_schedule_scsi_eh(struct Scsi_Host *shost); diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c index a9b0c820f2eb..5d9ee99c2148 100644 --- a/drivers/ata/pata_arasan_cf.c +++ b/drivers/ata/pata_arasan_cf.c @@ -4,7 +4,7 @@ * Arasan Compact Flash host controller source file * * Copyright (C) 2011 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -968,7 +968,7 @@ static struct platform_driver arasan_cf_driver = { module_platform_driver(arasan_cf_driver); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("Arasan ATA Compact Flash driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" DRIVER_NAME); diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c index 3a18a8a719b4..fab504fd9cfd 100644 --- a/drivers/ata/sata_sx4.c +++ b/drivers/ata/sata_sx4.c @@ -1238,8 +1238,12 @@ static unsigned int pdc20621_prog_dimm_global(struct ata_host *host) readl(mmio + PDC_SDRAM_CONTROL); /* Turn on for ECC */ - pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS, - PDC_DIMM_SPD_TYPE, &spd0); + if (!pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS, + PDC_DIMM_SPD_TYPE, &spd0)) { + pr_err("Failed in i2c read: device=%#x, subaddr=%#x\n", + PDC_DIMM0_SPD_DEV_ADDRESS, PDC_DIMM_SPD_TYPE); + return 1; + } if (spd0 == 0x02) { data |= (0x01 << 16); writel(data, mmio + PDC_SDRAM_CONTROL); @@ -1380,8 +1384,12 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host) /* ECC initiliazation. */ - pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS, - PDC_DIMM_SPD_TYPE, &spd0); + if (!pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS, + PDC_DIMM_SPD_TYPE, &spd0)) { + pr_err("Failed in i2c read: device=%#x, subaddr=%#x\n", + PDC_DIMM0_SPD_DEV_ADDRESS, PDC_DIMM_SPD_TYPE); + return 1; + } if (spd0 == 0x02) { void *buf; VPRINTK("Start ECC initialization\n"); diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 9c4288362a8e..894bda114224 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -563,10 +563,8 @@ static void fw_dev_release(struct device *dev) kfree(fw_priv); } -static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env) +static int do_firmware_uevent(struct firmware_priv *fw_priv, struct kobj_uevent_env *env) { - struct firmware_priv *fw_priv = to_firmware_priv(dev); - if (add_uevent_var(env, "FIRMWARE=%s", fw_priv->buf->fw_id)) return -ENOMEM; if (add_uevent_var(env, "TIMEOUT=%i", loading_timeout)) @@ -577,6 +575,18 @@ static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env) return 0; } +static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + struct firmware_priv *fw_priv = to_firmware_priv(dev); + int err = 0; + + mutex_lock(&fw_lock); + if (fw_priv->buf) + err = do_firmware_uevent(fw_priv, env); + mutex_unlock(&fw_lock); + return err; +} + static struct class firmware_class = { .name = "firmware", .class_attrs = firmware_class_attrs, diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index cdd547bd67df..0ee43c1056e0 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -6,6 +6,7 @@ * This file is released under the GPLv2. */ +#include <linux/delay.h> #include <linux/kernel.h> #include <linux/io.h> #include <linux/platform_device.h> @@ -19,6 +20,8 @@ #include <linux/suspend.h> #include <linux/export.h> +#define GENPD_RETRY_MAX_MS 250 /* Approximate */ + #define GENPD_DEV_CALLBACK(genpd, type, callback, dev) \ ({ \ type (*__routine)(struct device *__d); \ @@ -2131,6 +2134,7 @@ EXPORT_SYMBOL_GPL(of_genpd_get_from_provider); static void genpd_dev_pm_detach(struct device *dev, bool power_off) { struct generic_pm_domain *pd; + unsigned int i; int ret = 0; pd = pm_genpd_lookup_dev(dev); @@ -2139,10 +2143,12 @@ static void genpd_dev_pm_detach(struct device *dev, bool power_off) dev_dbg(dev, "removing from PM domain %s\n", pd->name); - while (1) { + for (i = 1; i < GENPD_RETRY_MAX_MS; i <<= 1) { ret = pm_genpd_remove_device(pd, dev); if (ret != -EAGAIN) break; + + mdelay(i); cond_resched(); } @@ -2183,6 +2189,7 @@ int genpd_dev_pm_attach(struct device *dev) { struct of_phandle_args pd_args; struct generic_pm_domain *pd; + unsigned int i; int ret; if (!dev->of_node) @@ -2218,10 +2225,12 @@ int genpd_dev_pm_attach(struct device *dev) dev_dbg(dev, "adding to PM domain %s\n", pd->name); - while (1) { + for (i = 1; i < GENPD_RETRY_MAX_MS; i <<= 1) { ret = pm_genpd_add_device(pd, dev); if (ret != -EAGAIN) break; + + mdelay(i); cond_resched(); } diff --git a/drivers/base/power/wakeirq.c b/drivers/base/power/wakeirq.c index 7470004ca810..eb6e67451dec 100644 --- a/drivers/base/power/wakeirq.c +++ b/drivers/base/power/wakeirq.c @@ -45,14 +45,12 @@ static int dev_pm_attach_wake_irq(struct device *dev, int irq, return -EEXIST; } - dev->power.wakeirq = wirq; - spin_unlock_irqrestore(&dev->power.lock, flags); - err = device_wakeup_attach_irq(dev, wirq); - if (err) - return err; + if (!err) + dev->power.wakeirq = wirq; - return 0; + spin_unlock_irqrestore(&dev->power.lock, flags); + return err; } /** @@ -105,10 +103,10 @@ void dev_pm_clear_wake_irq(struct device *dev) return; spin_lock_irqsave(&dev->power.lock, flags); + device_wakeup_detach_irq(dev); dev->power.wakeirq = NULL; spin_unlock_irqrestore(&dev->power.lock, flags); - device_wakeup_detach_irq(dev); if (wirq->dedicated_irq) free_irq(wirq->irq, wirq); kfree(wirq); diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c index 40f71603378c..51f15bc15774 100644 --- a/drivers/base/power/wakeup.c +++ b/drivers/base/power/wakeup.c @@ -281,32 +281,25 @@ EXPORT_SYMBOL_GPL(device_wakeup_enable); * Attach a device wakeirq to the wakeup source so the device * wake IRQ can be configured automatically for suspend and * resume. + * + * Call under the device's power.lock lock. */ int device_wakeup_attach_irq(struct device *dev, struct wake_irq *wakeirq) { struct wakeup_source *ws; - int ret = 0; - spin_lock_irq(&dev->power.lock); ws = dev->power.wakeup; if (!ws) { dev_err(dev, "forgot to call call device_init_wakeup?\n"); - ret = -EINVAL; - goto unlock; + return -EINVAL; } - if (ws->wakeirq) { - ret = -EEXIST; - goto unlock; - } + if (ws->wakeirq) + return -EEXIST; ws->wakeirq = wakeirq; - -unlock: - spin_unlock_irq(&dev->power.lock); - - return ret; + return 0; } /** @@ -314,20 +307,16 @@ unlock: * @dev: Device to handle * * Removes a device wakeirq from the wakeup source. + * + * Call under the device's power.lock lock. */ void device_wakeup_detach_irq(struct device *dev) { struct wakeup_source *ws; - spin_lock_irq(&dev->power.lock); ws = dev->power.wakeup; - if (!ws) - goto unlock; - - ws->wakeirq = NULL; - -unlock: - spin_unlock_irq(&dev->power.lock); + if (ws) + ws->wakeirq = NULL; } /** diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h index d744ae3926dd..fc554e357c5d 100644 --- a/drivers/base/regmap/internal.h +++ b/drivers/base/regmap/internal.h @@ -146,6 +146,10 @@ struct regmap { /* if set, the device supports multi write mode */ bool can_multi_write; + /* if set, raw reads/writes are limited to this size */ + size_t max_raw_read; + size_t max_raw_write; + struct rb_root range_tree; void *selector_work_buf; /* Scratch buffer used for selector */ }; diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c index 81751a49d8bf..56486d92c4e7 100644 --- a/drivers/base/regmap/regcache-rbtree.c +++ b/drivers/base/regmap/regcache-rbtree.c @@ -296,11 +296,20 @@ static int regcache_rbtree_insert_to_block(struct regmap *map, if (!blk) return -ENOMEM; - present = krealloc(rbnode->cache_present, - BITS_TO_LONGS(blklen) * sizeof(*present), GFP_KERNEL); - if (!present) { - kfree(blk); - return -ENOMEM; + if (BITS_TO_LONGS(blklen) > BITS_TO_LONGS(rbnode->blklen)) { + present = krealloc(rbnode->cache_present, + BITS_TO_LONGS(blklen) * sizeof(*present), + GFP_KERNEL); + if (!present) { + kfree(blk); + return -ENOMEM; + } + + memset(present + BITS_TO_LONGS(rbnode->blklen), 0, + (BITS_TO_LONGS(blklen) - BITS_TO_LONGS(rbnode->blklen)) + * sizeof(*present)); + } else { + present = rbnode->cache_present; } /* insert the register value in the correct place in the rbnode block */ diff --git a/drivers/base/regmap/regmap-i2c.c b/drivers/base/regmap/regmap-i2c.c index 4b76e33110a2..ddb9b0efb724 100644 --- a/drivers/base/regmap/regmap-i2c.c +++ b/drivers/base/regmap/regmap-i2c.c @@ -209,11 +209,60 @@ static struct regmap_bus regmap_i2c = { .val_format_endian_default = REGMAP_ENDIAN_BIG, }; +static int regmap_i2c_smbus_i2c_write(void *context, const void *data, + size_t count) +{ + struct device *dev = context; + struct i2c_client *i2c = to_i2c_client(dev); + + if (count < 1) + return -EINVAL; + if (count >= I2C_SMBUS_BLOCK_MAX) + return -E2BIG; + + --count; + return i2c_smbus_write_i2c_block_data(i2c, ((u8 *)data)[0], count, + ((u8 *)data + 1)); +} + +static int regmap_i2c_smbus_i2c_read(void *context, const void *reg, + size_t reg_size, void *val, + size_t val_size) +{ + struct device *dev = context; + struct i2c_client *i2c = to_i2c_client(dev); + int ret; + + if (reg_size != 1 || val_size < 1) + return -EINVAL; + if (val_size >= I2C_SMBUS_BLOCK_MAX) + return -E2BIG; + + ret = i2c_smbus_read_i2c_block_data(i2c, ((u8 *)reg)[0], val_size, val); + if (ret == val_size) + return 0; + else if (ret < 0) + return ret; + else + return -EIO; +} + +static struct regmap_bus regmap_i2c_smbus_i2c_block = { + .write = regmap_i2c_smbus_i2c_write, + .read = regmap_i2c_smbus_i2c_read, + .max_raw_read = I2C_SMBUS_BLOCK_MAX, + .max_raw_write = I2C_SMBUS_BLOCK_MAX, +}; + static const struct regmap_bus *regmap_get_i2c_bus(struct i2c_client *i2c, const struct regmap_config *config) { if (i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C)) return ®map_i2c; + else if (config->reg_bits == 8 && + i2c_check_functionality(i2c->adapter, + I2C_FUNC_SMBUS_I2C_BLOCK)) + return ®map_i2c_smbus_i2c_block; else if (config->val_bits == 16 && config->reg_bits == 8 && i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_WORD_DATA)) diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index b77f1c6abdad..e48cb8562e68 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -579,6 +579,10 @@ struct regmap *regmap_init(struct device *dev, map->use_single_read = config->use_single_rw || !bus || !bus->read; map->use_single_write = config->use_single_rw || !bus || !bus->write; map->can_multi_write = config->can_multi_write && bus && bus->write; + if (bus) { + map->max_raw_read = bus->max_raw_read; + map->max_raw_write = bus->max_raw_write; + } map->dev = dev; map->bus = bus; map->bus_context = bus_context; @@ -1386,10 +1390,33 @@ int _regmap_raw_write(struct regmap *map, unsigned int reg, */ bool regmap_can_raw_write(struct regmap *map) { - return map->bus && map->format.format_val && map->format.format_reg; + return map->bus && map->bus->write && map->format.format_val && + map->format.format_reg; } EXPORT_SYMBOL_GPL(regmap_can_raw_write); +/** + * regmap_get_raw_read_max - Get the maximum size we can read + * + * @map: Map to check. + */ +size_t regmap_get_raw_read_max(struct regmap *map) +{ + return map->max_raw_read; +} +EXPORT_SYMBOL_GPL(regmap_get_raw_read_max); + +/** + * regmap_get_raw_write_max - Get the maximum size we can read + * + * @map: Map to check. + */ +size_t regmap_get_raw_write_max(struct regmap *map) +{ + return map->max_raw_write; +} +EXPORT_SYMBOL_GPL(regmap_get_raw_write_max); + static int _regmap_bus_formatted_write(void *context, unsigned int reg, unsigned int val) { @@ -1559,6 +1586,8 @@ int regmap_raw_write(struct regmap *map, unsigned int reg, return -EINVAL; if (val_len % map->format.val_bytes) return -EINVAL; + if (map->max_raw_write && map->max_raw_write > val_len) + return -E2BIG; map->lock(map->lock_arg); @@ -1673,6 +1702,7 @@ int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val, { int ret = 0, i; size_t val_bytes = map->format.val_bytes; + size_t total_size = val_bytes * val_count; if (map->bus && !map->format.parse_inplace) return -EINVAL; @@ -1721,16 +1751,37 @@ int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val, } out: map->unlock(map->lock_arg); - } else if (map->use_single_write) { + } else if (map->use_single_write || + (map->max_raw_write && map->max_raw_write < total_size)) { + int chunk_stride = map->reg_stride; + size_t chunk_size = val_bytes; + size_t chunk_count = val_count; + + if (!map->use_single_write) { + chunk_size = map->max_raw_write; + if (chunk_size % val_bytes) + chunk_size -= chunk_size % val_bytes; + chunk_count = total_size / chunk_size; + chunk_stride *= chunk_size / val_bytes; + } + map->lock(map->lock_arg); - for (i = 0; i < val_count; i++) { + /* Write as many bytes as possible with chunk_size */ + for (i = 0; i < chunk_count; i++) { ret = _regmap_raw_write(map, - reg + (i * map->reg_stride), - val + (i * val_bytes), - val_bytes); + reg + (i * chunk_stride), + val + (i * chunk_size), + chunk_size); if (ret) break; } + + /* Write remaining bytes */ + if (!ret && chunk_size * i < total_size) { + ret = _regmap_raw_write(map, reg + (i * chunk_stride), + val + (i * chunk_size), + total_size - i * chunk_size); + } map->unlock(map->lock_arg); } else { void *wval; @@ -1761,7 +1812,7 @@ EXPORT_SYMBOL_GPL(regmap_bulk_write); * * the (register,newvalue) pairs in regs have not been formatted, but * they are all in the same page and have been changed to being page - * relative. The page register has been written if that was neccessary. + * relative. The page register has been written if that was necessary. */ static int _regmap_raw_multi_reg_write(struct regmap *map, const struct reg_default *regs, @@ -2071,7 +2122,7 @@ static int _regmap_raw_read(struct regmap *map, unsigned int reg, void *val, /* * Some buses or devices flag reads by setting the high bits in the - * register addresss; since it's always the high bits for all + * register address; since it's always the high bits for all * current formats we can do this here rather than in * formatting. This may break if we get interesting formats. */ @@ -2205,6 +2256,15 @@ int regmap_raw_read(struct regmap *map, unsigned int reg, void *val, if (regmap_volatile_range(map, reg, val_count) || map->cache_bypass || map->cache_type == REGCACHE_NONE) { + if (!map->bus->read) { + ret = -ENOTSUPP; + goto out; + } + if (map->max_raw_read && map->max_raw_read < val_len) { + ret = -E2BIG; + goto out; + } + /* Physical block read if there's no cache involved */ ret = _regmap_raw_read(map, reg, val, val_len); @@ -2313,20 +2373,51 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val, * Some devices does not support bulk read, for * them we have a series of single read operations. */ - if (map->use_single_read) { - for (i = 0; i < val_count; i++) { - ret = regmap_raw_read(map, - reg + (i * map->reg_stride), - val + (i * val_bytes), - val_bytes); - if (ret != 0) - return ret; - } - } else { + size_t total_size = val_bytes * val_count; + + if (!map->use_single_read && + (!map->max_raw_read || map->max_raw_read > total_size)) { ret = regmap_raw_read(map, reg, val, val_bytes * val_count); if (ret != 0) return ret; + } else { + /* + * Some devices do not support bulk read or do not + * support large bulk reads, for them we have a series + * of read operations. + */ + int chunk_stride = map->reg_stride; + size_t chunk_size = val_bytes; + size_t chunk_count = val_count; + + if (!map->use_single_read) { + chunk_size = map->max_raw_read; + if (chunk_size % val_bytes) + chunk_size -= chunk_size % val_bytes; + chunk_count = total_size / chunk_size; + chunk_stride *= chunk_size / val_bytes; + } + + /* Read bytes that fit into a multiple of chunk_size */ + for (i = 0; i < chunk_count; i++) { + ret = regmap_raw_read(map, + reg + (i * chunk_stride), + val + (i * chunk_size), + chunk_size); + if (ret != 0) + return ret; + } + + /* Read remaining bytes */ + if (chunk_size * i < total_size) { + ret = regmap_raw_read(map, + reg + (i * chunk_stride), + val + (i * chunk_size), + total_size - i * chunk_size); + if (ret != 0) + return ret; + } } for (i = 0; i < val_count * val_bytes; i += val_bytes) diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index 69de41a87b74..3177b245d2bd 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -240,19 +240,19 @@ static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer) while ((entry = llist_del_all(&cq->list)) != NULL) { entry = llist_reverse_order(entry); do { + struct request_queue *q = NULL; + cmd = container_of(entry, struct nullb_cmd, ll_list); entry = entry->next; + if (cmd->rq) + q = cmd->rq->q; end_cmd(cmd); - if (cmd->rq) { - struct request_queue *q = cmd->rq->q; - - if (!q->mq_ops && blk_queue_stopped(q)) { - spin_lock(q->queue_lock); - if (blk_queue_stopped(q)) - blk_start_queue(q); - spin_unlock(q->queue_lock); - } + if (q && !q->mq_ops && blk_queue_stopped(q)) { + spin_lock(q->queue_lock); + if (blk_queue_stopped(q)) + blk_start_queue(q); + spin_unlock(q->queue_lock); } } while (entry); } diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c index d1d6141920d3..7920c2741b47 100644 --- a/drivers/block/nvme-core.c +++ b/drivers/block/nvme-core.c @@ -2108,8 +2108,17 @@ static void nvme_alloc_ns(struct nvme_dev *dev, unsigned nsid) goto out_free_disk; add_disk(ns->disk); - if (ns->ms) - revalidate_disk(ns->disk); + if (ns->ms) { + struct block_device *bd = bdget_disk(ns->disk, 0); + if (!bd) + return; + if (blkdev_get(bd, FMODE_READ, NULL)) { + bdput(bd); + return; + } + blkdev_reread_part(bd); + blkdev_put(bd, FMODE_READ); + } return; out_free_disk: kfree(disk); diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index d94529d5c8e9..bc67a93aa4f4 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -523,6 +523,7 @@ void rbd_warn(struct rbd_device *rbd_dev, const char *fmt, ...) # define rbd_assert(expr) ((void) 0) #endif /* !RBD_DEBUG */ +static void rbd_osd_copyup_callback(struct rbd_obj_request *obj_request); static int rbd_img_obj_request_submit(struct rbd_obj_request *obj_request); static void rbd_img_parent_read(struct rbd_obj_request *obj_request); static void rbd_dev_remove_parent(struct rbd_device *rbd_dev); @@ -1818,6 +1819,16 @@ static void rbd_osd_stat_callback(struct rbd_obj_request *obj_request) obj_request_done_set(obj_request); } +static void rbd_osd_call_callback(struct rbd_obj_request *obj_request) +{ + dout("%s: obj %p\n", __func__, obj_request); + + if (obj_request_img_data_test(obj_request)) + rbd_osd_copyup_callback(obj_request); + else + obj_request_done_set(obj_request); +} + static void rbd_osd_req_callback(struct ceph_osd_request *osd_req, struct ceph_msg *msg) { @@ -1866,6 +1877,8 @@ static void rbd_osd_req_callback(struct ceph_osd_request *osd_req, rbd_osd_discard_callback(obj_request); break; case CEPH_OSD_OP_CALL: + rbd_osd_call_callback(obj_request); + break; case CEPH_OSD_OP_NOTIFY_ACK: case CEPH_OSD_OP_WATCH: rbd_osd_trivial_callback(obj_request); @@ -2530,13 +2543,15 @@ out_unwind: } static void -rbd_img_obj_copyup_callback(struct rbd_obj_request *obj_request) +rbd_osd_copyup_callback(struct rbd_obj_request *obj_request) { struct rbd_img_request *img_request; struct rbd_device *rbd_dev; struct page **pages; u32 page_count; + dout("%s: obj %p\n", __func__, obj_request); + rbd_assert(obj_request->type == OBJ_REQUEST_BIO || obj_request->type == OBJ_REQUEST_NODATA); rbd_assert(obj_request_img_data_test(obj_request)); @@ -2563,9 +2578,7 @@ rbd_img_obj_copyup_callback(struct rbd_obj_request *obj_request) if (!obj_request->result) obj_request->xferred = obj_request->length; - /* Finish up with the normal image object callback */ - - rbd_img_obj_callback(obj_request); + obj_request_done_set(obj_request); } static void @@ -2650,7 +2663,6 @@ rbd_img_obj_parent_read_full_callback(struct rbd_img_request *img_request) /* All set, send it off. */ - orig_request->callback = rbd_img_obj_copyup_callback; osdc = &rbd_dev->rbd_client->client->osdc; img_result = rbd_obj_request_submit(osdc, orig_request); if (!img_result) diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index ced96777b677..954c0029fb3b 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -369,8 +369,8 @@ static void purge_persistent_gnt(struct xen_blkif *blkif) return; } - if (work_pending(&blkif->persistent_purge_work)) { - pr_alert_ratelimited("Scheduled work from previous purge is still pending, cannot purge list\n"); + if (work_busy(&blkif->persistent_purge_work)) { + pr_alert_ratelimited("Scheduled work from previous purge is still busy, cannot purge list\n"); return; } diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 6d89ed35d80c..7a8a73f1fc04 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -179,6 +179,7 @@ static DEFINE_SPINLOCK(minor_lock); ((_segs + SEGS_PER_INDIRECT_FRAME - 1)/SEGS_PER_INDIRECT_FRAME) static int blkfront_setup_indirect(struct blkfront_info *info); +static int blkfront_gather_backend_features(struct blkfront_info *info); static int get_id_from_freelist(struct blkfront_info *info) { @@ -1128,8 +1129,10 @@ static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info, * Add the used indirect page back to the list of * available pages for indirect grefs. */ - indirect_page = pfn_to_page(s->indirect_grants[i]->pfn); - list_add(&indirect_page->lru, &info->indirect_pages); + if (!info->feature_persistent) { + indirect_page = pfn_to_page(s->indirect_grants[i]->pfn); + list_add(&indirect_page->lru, &info->indirect_pages); + } s->indirect_grants[i]->gref = GRANT_INVALID_REF; list_add_tail(&s->indirect_grants[i]->node, &info->grants); } @@ -1519,7 +1522,7 @@ static int blkif_recover(struct blkfront_info *info) info->shadow_free = info->ring.req_prod_pvt; info->shadow[BLK_RING_SIZE(info)-1].req.u.rw.id = 0x0fffffff; - rc = blkfront_setup_indirect(info); + rc = blkfront_gather_backend_features(info); if (rc) { kfree(copy); return rc; @@ -1720,20 +1723,13 @@ static void blkfront_setup_discard(struct blkfront_info *info) static int blkfront_setup_indirect(struct blkfront_info *info) { - unsigned int indirect_segments, segs; + unsigned int segs; int err, i; - err = xenbus_gather(XBT_NIL, info->xbdev->otherend, - "feature-max-indirect-segments", "%u", &indirect_segments, - NULL); - if (err) { - info->max_indirect_segments = 0; + if (info->max_indirect_segments == 0) segs = BLKIF_MAX_SEGMENTS_PER_REQUEST; - } else { - info->max_indirect_segments = min(indirect_segments, - xen_blkif_max_segments); + else segs = info->max_indirect_segments; - } err = fill_grant_buffer(info, (segs + INDIRECT_GREFS(segs)) * BLK_RING_SIZE(info)); if (err) @@ -1797,6 +1793,68 @@ out_of_memory: } /* + * Gather all backend feature-* + */ +static int blkfront_gather_backend_features(struct blkfront_info *info) +{ + int err; + int barrier, flush, discard, persistent; + unsigned int indirect_segments; + + info->feature_flush = 0; + + err = xenbus_gather(XBT_NIL, info->xbdev->otherend, + "feature-barrier", "%d", &barrier, + NULL); + + /* + * If there's no "feature-barrier" defined, then it means + * we're dealing with a very old backend which writes + * synchronously; nothing to do. + * + * If there are barriers, then we use flush. + */ + if (!err && barrier) + info->feature_flush = REQ_FLUSH | REQ_FUA; + /* + * And if there is "feature-flush-cache" use that above + * barriers. + */ + err = xenbus_gather(XBT_NIL, info->xbdev->otherend, + "feature-flush-cache", "%d", &flush, + NULL); + + if (!err && flush) + info->feature_flush = REQ_FLUSH; + + err = xenbus_gather(XBT_NIL, info->xbdev->otherend, + "feature-discard", "%d", &discard, + NULL); + + if (!err && discard) + blkfront_setup_discard(info); + + err = xenbus_gather(XBT_NIL, info->xbdev->otherend, + "feature-persistent", "%u", &persistent, + NULL); + if (err) + info->feature_persistent = 0; + else + info->feature_persistent = persistent; + + err = xenbus_gather(XBT_NIL, info->xbdev->otherend, + "feature-max-indirect-segments", "%u", &indirect_segments, + NULL); + if (err) + info->max_indirect_segments = 0; + else + info->max_indirect_segments = min(indirect_segments, + xen_blkif_max_segments); + + return blkfront_setup_indirect(info); +} + +/* * Invoked when the backend is finally 'ready' (and has told produced * the details about the physical device - #sectors, size, etc). */ @@ -1807,7 +1865,6 @@ static void blkfront_connect(struct blkfront_info *info) unsigned int physical_sector_size; unsigned int binfo; int err; - int barrier, flush, discard, persistent; switch (info->connected) { case BLKIF_STATE_CONNECTED: @@ -1864,48 +1921,7 @@ static void blkfront_connect(struct blkfront_info *info) if (err != 1) physical_sector_size = sector_size; - info->feature_flush = 0; - - err = xenbus_gather(XBT_NIL, info->xbdev->otherend, - "feature-barrier", "%d", &barrier, - NULL); - - /* - * If there's no "feature-barrier" defined, then it means - * we're dealing with a very old backend which writes - * synchronously; nothing to do. - * - * If there are barriers, then we use flush. - */ - if (!err && barrier) - info->feature_flush = REQ_FLUSH | REQ_FUA; - /* - * And if there is "feature-flush-cache" use that above - * barriers. - */ - err = xenbus_gather(XBT_NIL, info->xbdev->otherend, - "feature-flush-cache", "%d", &flush, - NULL); - - if (!err && flush) - info->feature_flush = REQ_FLUSH; - - err = xenbus_gather(XBT_NIL, info->xbdev->otherend, - "feature-discard", "%d", &discard, - NULL); - - if (!err && discard) - blkfront_setup_discard(info); - - err = xenbus_gather(XBT_NIL, info->xbdev->otherend, - "feature-persistent", "%u", &persistent, - NULL); - if (err) - info->feature_persistent = 0; - else - info->feature_persistent = persistent; - - err = blkfront_setup_indirect(info); + err = blkfront_gather_backend_features(info); if (err) { xenbus_dev_fatal(info->xbdev, err, "setup_indirect at %s", info->xbdev->otherend); diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index fb655e8d1e3b..763301c7828c 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -496,10 +496,9 @@ static void zram_meta_free(struct zram_meta *meta, u64 disksize) kfree(meta); } -static struct zram_meta *zram_meta_alloc(int device_id, u64 disksize) +static struct zram_meta *zram_meta_alloc(char *pool_name, u64 disksize) { size_t num_pages; - char pool_name[8]; struct zram_meta *meta = kmalloc(sizeof(*meta), GFP_KERNEL); if (!meta) @@ -512,7 +511,6 @@ static struct zram_meta *zram_meta_alloc(int device_id, u64 disksize) goto out_error; } - snprintf(pool_name, sizeof(pool_name), "zram%d", device_id); meta->mem_pool = zs_create_pool(pool_name, GFP_NOIO | __GFP_HIGHMEM); if (!meta->mem_pool) { pr_err("Error creating memory pool\n"); @@ -1031,7 +1029,7 @@ static ssize_t disksize_store(struct device *dev, return -EINVAL; disksize = PAGE_ALIGN(disksize); - meta = zram_meta_alloc(zram->disk->first_minor, disksize); + meta = zram_meta_alloc(zram->disk->disk_name, disksize); if (!meta) return -ENOMEM; diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c index 1e1a4323a71f..9ceb8ac68fdc 100644 --- a/drivers/bluetooth/btbcm.c +++ b/drivers/bluetooth/btbcm.c @@ -472,12 +472,11 @@ int btbcm_setup_apple(struct hci_dev *hdev) /* Read Verbose Config Version Info */ skb = btbcm_read_verbose_config(hdev); - if (IS_ERR(skb)) - return PTR_ERR(skb); - - BT_INFO("%s: BCM: chip id %u build %4.4u", hdev->name, skb->data[1], - get_unaligned_le16(skb->data + 5)); - kfree_skb(skb); + if (!IS_ERR(skb)) { + BT_INFO("%s: BCM: chip id %u build %4.4u", hdev->name, skb->data[1], + get_unaligned_le16(skb->data + 5)); + kfree_skb(skb); + } set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index da8faf78536a..5643b65cee20 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -429,7 +429,7 @@ static int hwrng_fillfn(void *unused) static void start_khwrngd(void) { hwrng_fill = kthread_run(hwrng_fillfn, NULL, "hwrng"); - if (hwrng_fill == ERR_PTR(-ENOMEM)) { + if (IS_ERR(hwrng_fill)) { pr_err("hwrng_fill thread creation failed"); hwrng_fill = NULL; } diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index 283f00a7f036..1082d4bb016a 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -129,8 +129,9 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev, device_initialize(&chip->dev); - chip->cdev.owner = chip->pdev->driver->owner; cdev_init(&chip->cdev, &tpm_fops); + chip->cdev.owner = chip->pdev->driver->owner; + chip->cdev.kobj.parent = &chip->dev.kobj; return chip; } diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index 44f9d20c19ac..1267322595da 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -233,6 +233,14 @@ static int crb_acpi_add(struct acpi_device *device) return -ENODEV; } + /* At least some versions of AMI BIOS have a bug that TPM2 table has + * zero address for the control area and therefore we must fail. + */ + if (!buf->control_area_pa) { + dev_err(dev, "TPM2 ACPI table has a zero address for the control area\n"); + return -EINVAL; + } + if (buf->hdr.length < sizeof(struct acpi_tpm2)) { dev_err(dev, "TPM2 ACPI table has wrong size"); return -EINVAL; diff --git a/drivers/clk/at91/clk-h32mx.c b/drivers/clk/at91/clk-h32mx.c index 152dcb3f7b5f..61566bcefa53 100644 --- a/drivers/clk/at91/clk-h32mx.c +++ b/drivers/clk/at91/clk-h32mx.c @@ -116,8 +116,10 @@ void __init of_sama5d4_clk_h32mx_setup(struct device_node *np, h32mxclk->pmc = pmc; clk = clk_register(NULL, &h32mxclk->hw); - if (!clk) + if (!clk) { + kfree(h32mxclk); return; + } of_clk_add_provider(np, of_clk_src_simple_get, clk); } diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c index c2400456a044..27dfa965cfed 100644 --- a/drivers/clk/at91/clk-main.c +++ b/drivers/clk/at91/clk-main.c @@ -171,8 +171,10 @@ at91_clk_register_main_osc(struct at91_pmc *pmc, irq_set_status_flags(osc->irq, IRQ_NOAUTOEN); ret = request_irq(osc->irq, clk_main_osc_irq_handler, IRQF_TRIGGER_HIGH, name, osc); - if (ret) + if (ret) { + kfree(osc); return ERR_PTR(ret); + } if (bypass) pmc_write(pmc, AT91_CKGR_MOR, diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c index f98eafe9b12d..5b3ded5205a2 100644 --- a/drivers/clk/at91/clk-master.c +++ b/drivers/clk/at91/clk-master.c @@ -165,12 +165,16 @@ at91_clk_register_master(struct at91_pmc *pmc, unsigned int irq, irq_set_status_flags(master->irq, IRQ_NOAUTOEN); ret = request_irq(master->irq, clk_master_irq_handler, IRQF_TRIGGER_HIGH, "clk-master", master); - if (ret) + if (ret) { + kfree(master); return ERR_PTR(ret); + } clk = clk_register(NULL, &master->hw); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + free_irq(master->irq, master); kfree(master); + } return clk; } diff --git a/drivers/clk/at91/clk-pll.c b/drivers/clk/at91/clk-pll.c index cbbe40377ad6..18b60f4895a6 100644 --- a/drivers/clk/at91/clk-pll.c +++ b/drivers/clk/at91/clk-pll.c @@ -346,12 +346,16 @@ at91_clk_register_pll(struct at91_pmc *pmc, unsigned int irq, const char *name, irq_set_status_flags(pll->irq, IRQ_NOAUTOEN); ret = request_irq(pll->irq, clk_pll_irq_handler, IRQF_TRIGGER_HIGH, id ? "clk-pllb" : "clk-plla", pll); - if (ret) + if (ret) { + kfree(pll); return ERR_PTR(ret); + } clk = clk_register(NULL, &pll->hw); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + free_irq(pll->irq, pll); kfree(pll); + } return clk; } diff --git a/drivers/clk/at91/clk-system.c b/drivers/clk/at91/clk-system.c index a76d03fd577b..58008b3e8bc1 100644 --- a/drivers/clk/at91/clk-system.c +++ b/drivers/clk/at91/clk-system.c @@ -130,13 +130,17 @@ at91_clk_register_system(struct at91_pmc *pmc, const char *name, irq_set_status_flags(sys->irq, IRQ_NOAUTOEN); ret = request_irq(sys->irq, clk_system_irq_handler, IRQF_TRIGGER_HIGH, name, sys); - if (ret) + if (ret) { + kfree(sys); return ERR_PTR(ret); + } } clk = clk_register(NULL, &sys->hw); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + free_irq(sys->irq, sys); kfree(sys); + } return clk; } diff --git a/drivers/clk/at91/clk-utmi.c b/drivers/clk/at91/clk-utmi.c index ae3263bc1476..30dd697b1668 100644 --- a/drivers/clk/at91/clk-utmi.c +++ b/drivers/clk/at91/clk-utmi.c @@ -118,12 +118,16 @@ at91_clk_register_utmi(struct at91_pmc *pmc, unsigned int irq, irq_set_status_flags(utmi->irq, IRQ_NOAUTOEN); ret = request_irq(utmi->irq, clk_utmi_irq_handler, IRQF_TRIGGER_HIGH, "clk-utmi", utmi); - if (ret) + if (ret) { + kfree(utmi); return ERR_PTR(ret); + } clk = clk_register(NULL, &utmi->hw); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + free_irq(utmi->irq, utmi); kfree(utmi); + } return clk; } diff --git a/drivers/clk/bcm/clk-iproc-asiu.c b/drivers/clk/bcm/clk-iproc-asiu.c index e19c09cd9645..f630e1bbdcfe 100644 --- a/drivers/clk/bcm/clk-iproc-asiu.c +++ b/drivers/clk/bcm/clk-iproc-asiu.c @@ -222,10 +222,6 @@ void __init iproc_asiu_setup(struct device_node *node, struct iproc_asiu_clk *asiu_clk; const char *clk_name; - clk_name = kzalloc(IPROC_CLK_NAME_LEN, GFP_KERNEL); - if (WARN_ON(!clk_name)) - goto err_clk_register; - ret = of_property_read_string_index(node, "clock-output-names", i, &clk_name); if (WARN_ON(ret)) @@ -259,7 +255,7 @@ void __init iproc_asiu_setup(struct device_node *node, err_clk_register: for (i = 0; i < num_clks; i++) - kfree(asiu->clks[i].name); + clk_unregister(asiu->clk_data.clks[i]); iounmap(asiu->gate_base); err_iomap_gate: diff --git a/drivers/clk/bcm/clk-iproc-pll.c b/drivers/clk/bcm/clk-iproc-pll.c index 46fb84bc2674..2dda4e8295a9 100644 --- a/drivers/clk/bcm/clk-iproc-pll.c +++ b/drivers/clk/bcm/clk-iproc-pll.c @@ -366,7 +366,7 @@ static unsigned long iproc_pll_recalc_rate(struct clk_hw *hw, val = readl(pll->pll_base + ctrl->ndiv_int.offset); ndiv_int = (val >> ctrl->ndiv_int.shift) & bit_mask(ctrl->ndiv_int.width); - ndiv = ndiv_int << ctrl->ndiv_int.shift; + ndiv = (u64)ndiv_int << ctrl->ndiv_int.shift; if (ctrl->flags & IPROC_CLK_PLL_HAS_NDIV_FRAC) { val = readl(pll->pll_base + ctrl->ndiv_frac.offset); @@ -374,7 +374,8 @@ static unsigned long iproc_pll_recalc_rate(struct clk_hw *hw, bit_mask(ctrl->ndiv_frac.width); if (ndiv_frac != 0) - ndiv = (ndiv_int << ctrl->ndiv_int.shift) | ndiv_frac; + ndiv = ((u64)ndiv_int << ctrl->ndiv_int.shift) | + ndiv_frac; } val = readl(pll->pll_base + ctrl->pdiv.offset); @@ -655,10 +656,6 @@ void __init iproc_pll_clk_setup(struct device_node *node, memset(&init, 0, sizeof(init)); parent_name = node->name; - clk_name = kzalloc(IPROC_CLK_NAME_LEN, GFP_KERNEL); - if (WARN_ON(!clk_name)) - goto err_clk_register; - ret = of_property_read_string_index(node, "clock-output-names", i, &clk_name); if (WARN_ON(ret)) @@ -690,10 +687,8 @@ void __init iproc_pll_clk_setup(struct device_node *node, return; err_clk_register: - for (i = 0; i < num_clks; i++) { - kfree(pll->clks[i].name); + for (i = 0; i < num_clks; i++) clk_unregister(pll->clk_data.clks[i]); - } err_pll_register: if (pll->asiu_base) diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c index b9b12a742970..3f6f7ad39490 100644 --- a/drivers/clk/clk-stm32f4.c +++ b/drivers/clk/clk-stm32f4.c @@ -268,7 +268,7 @@ static int stm32f4_rcc_lookup_clk_idx(u8 primary, u8 secondary) memcpy(table, stm32f42xx_gate_map, sizeof(table)); /* only bits set in table can be used as indices */ - if (WARN_ON(secondary > 8 * sizeof(table) || + if (WARN_ON(secondary >= BITS_PER_BYTE * sizeof(table) || 0 == (table[BIT_ULL_WORD(secondary)] & BIT_ULL_MASK(secondary)))) return -EINVAL; diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c index 4b9e04cdf7e8..8b6523d15fb8 100644 --- a/drivers/clk/mediatek/clk-mt8173.c +++ b/drivers/clk/mediatek/clk-mt8173.c @@ -700,6 +700,22 @@ static const struct mtk_composite peri_clks[] __initconst = { MUX(CLK_PERI_UART3_SEL, "uart3_ck_sel", uart_ck_sel_parents, 0x40c, 3, 1), }; +static struct clk_onecell_data *mt8173_top_clk_data __initdata; +static struct clk_onecell_data *mt8173_pll_clk_data __initdata; + +static void __init mtk_clk_enable_critical(void) +{ + if (!mt8173_top_clk_data || !mt8173_pll_clk_data) + return; + + clk_prepare_enable(mt8173_pll_clk_data->clks[CLK_APMIXED_ARMCA15PLL]); + clk_prepare_enable(mt8173_pll_clk_data->clks[CLK_APMIXED_ARMCA7PLL]); + clk_prepare_enable(mt8173_top_clk_data->clks[CLK_TOP_MEM_SEL]); + clk_prepare_enable(mt8173_top_clk_data->clks[CLK_TOP_DDRPHYCFG_SEL]); + clk_prepare_enable(mt8173_top_clk_data->clks[CLK_TOP_CCI400_SEL]); + clk_prepare_enable(mt8173_top_clk_data->clks[CLK_TOP_RTC_SEL]); +} + static void __init mtk_topckgen_init(struct device_node *node) { struct clk_onecell_data *clk_data; @@ -712,19 +728,19 @@ static void __init mtk_topckgen_init(struct device_node *node) return; } - clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); + mt8173_top_clk_data = clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); mtk_clk_register_factors(root_clk_alias, ARRAY_SIZE(root_clk_alias), clk_data); mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data); mtk_clk_register_composites(top_muxes, ARRAY_SIZE(top_muxes), base, &mt8173_clk_lock, clk_data); - clk_prepare_enable(clk_data->clks[CLK_TOP_CCI400_SEL]); - r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); if (r) pr_err("%s(): could not register clock provider: %d\n", __func__, r); + + mtk_clk_enable_critical(); } CLK_OF_DECLARE(mtk_topckgen, "mediatek,mt8173-topckgen", mtk_topckgen_init); @@ -818,13 +834,13 @@ static void __init mtk_apmixedsys_init(struct device_node *node) { struct clk_onecell_data *clk_data; - clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK); + mt8173_pll_clk_data = clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK); if (!clk_data) return; mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data); - clk_prepare_enable(clk_data->clks[CLK_APMIXED_ARMCA15PLL]); + mtk_clk_enable_critical(); } CLK_OF_DECLARE(mtk_apmixedsys, "mediatek,mt8173-apmixedsys", mtk_apmixedsys_init); diff --git a/drivers/clk/pxa/clk-pxa3xx.c b/drivers/clk/pxa/clk-pxa3xx.c index 4b93a1efb36d..ac03ba49e9d1 100644 --- a/drivers/clk/pxa/clk-pxa3xx.c +++ b/drivers/clk/pxa/clk-pxa3xx.c @@ -126,7 +126,7 @@ PARENTS(pxa3xx_ac97_bus) = { "ring_osc_60mhz", "ac97" }; PARENTS(pxa3xx_sbus) = { "ring_osc_60mhz", "system_bus" }; PARENTS(pxa3xx_smemcbus) = { "ring_osc_60mhz", "smemc" }; -#define CKEN_AB(bit) ((CKEN_ ## bit > 31) ? &CKENA : &CKENB) +#define CKEN_AB(bit) ((CKEN_ ## bit > 31) ? &CKENB : &CKENA) #define PXA3XX_CKEN(dev_id, con_id, parents, mult_lp, div_lp, mult_hp, \ div_hp, bit, is_lp, flags) \ PXA_CKEN(dev_id, con_id, bit, parents, mult_lp, div_lp, \ diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c index b95d17fbb8d7..92936f0912d2 100644 --- a/drivers/clk/qcom/clk-rcg2.c +++ b/drivers/clk/qcom/clk-rcg2.c @@ -530,19 +530,16 @@ static int clk_pixel_set_rate(struct clk_hw *hw, unsigned long rate, struct clk_rcg2 *rcg = to_clk_rcg2(hw); struct freq_tbl f = *rcg->freq_tbl; const struct frac_entry *frac = frac_table_pixel; - unsigned long request, src_rate; + unsigned long request; int delta = 100000; u32 mask = BIT(rcg->hid_width) - 1; u32 hid_div; - int index = qcom_find_src_index(hw, rcg->parent_map, f.src); - struct clk *parent = clk_get_parent_by_index(hw->clk, index); for (; frac->num; frac++) { request = (rate * frac->den) / frac->num; - src_rate = __clk_round_rate(parent, request); - if ((src_rate < (request - delta)) || - (src_rate > (request + delta))) + if ((parent_rate < (request - delta)) || + (parent_rate > (request + delta))) continue; regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG, diff --git a/drivers/clk/spear/clk-aux-synth.c b/drivers/clk/spear/clk-aux-synth.c index bdfb4421c643..f271c350ef94 100644 --- a/drivers/clk/spear/clk-aux-synth.c +++ b/drivers/clk/spear/clk-aux-synth.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk-frac-synth.c b/drivers/clk/spear/clk-frac-synth.c index dffd4ce6c8b5..58d678b5b40a 100644 --- a/drivers/clk/spear/clk-frac-synth.c +++ b/drivers/clk/spear/clk-frac-synth.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk-gpt-synth.c b/drivers/clk/spear/clk-gpt-synth.c index 1afc18c4effc..1a722e99e76e 100644 --- a/drivers/clk/spear/clk-gpt-synth.c +++ b/drivers/clk/spear/clk-gpt-synth.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk-vco-pll.c b/drivers/clk/spear/clk-vco-pll.c index 1b9b65bca51e..5ebddc528145 100644 --- a/drivers/clk/spear/clk-vco-pll.c +++ b/drivers/clk/spear/clk-vco-pll.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk.c b/drivers/clk/spear/clk.c index 628b6d5ed3d9..157fe099ea6a 100644 --- a/drivers/clk/spear/clk.c +++ b/drivers/clk/spear/clk.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk.h b/drivers/clk/spear/clk.h index 931737677dfa..9834944f08b1 100644 --- a/drivers/clk/spear/clk.h +++ b/drivers/clk/spear/clk.h @@ -2,7 +2,7 @@ * Clock framework definitions for SPEAr platform * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/spear1310_clock.c b/drivers/clk/spear/spear1310_clock.c index 4daa5977793a..222ce108b41a 100644 --- a/drivers/clk/spear/spear1310_clock.c +++ b/drivers/clk/spear/spear1310_clock.c @@ -4,7 +4,7 @@ * SPEAr1310 machine clock framework source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/spear1340_clock.c b/drivers/clk/spear/spear1340_clock.c index 5a5c6648308d..973c9d3fbcf8 100644 --- a/drivers/clk/spear/spear1340_clock.c +++ b/drivers/clk/spear/spear1340_clock.c @@ -4,7 +4,7 @@ * SPEAr1340 machine clock framework source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c index bb5f387774e2..404a55edd613 100644 --- a/drivers/clk/spear/spear3xx_clock.c +++ b/drivers/clk/spear/spear3xx_clock.c @@ -2,7 +2,7 @@ * SPEAr3xx machines clock framework source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/spear6xx_clock.c b/drivers/clk/spear/spear6xx_clock.c index 4f649c9cb094..231061fa73a4 100644 --- a/drivers/clk/spear/spear6xx_clock.c +++ b/drivers/clk/spear/spear6xx_clock.c @@ -2,7 +2,7 @@ * SPEAr6xx machines clock framework source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/st/clk-flexgen.c b/drivers/clk/st/clk-flexgen.c index 657ca14ba709..8dd8cce27361 100644 --- a/drivers/clk/st/clk-flexgen.c +++ b/drivers/clk/st/clk-flexgen.c @@ -190,7 +190,7 @@ static struct clk *clk_register_flexgen(const char *name, init.name = name; init.ops = &flexgen_ops; - init.flags = CLK_IS_BASIC | flexgen_flags; + init.flags = CLK_IS_BASIC | CLK_GET_RATE_NOCACHE | flexgen_flags; init.parent_names = parent_names; init.num_parents = num_parents; @@ -303,6 +303,8 @@ static void __init st_of_flexgen_setup(struct device_node *np) if (!rlock) goto err; + spin_lock_init(rlock); + for (i = 0; i < clk_data->clk_num; i++) { struct clk *clk; const char *clk_name; diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c index e94197f04b0b..d9eb2e1d8471 100644 --- a/drivers/clk/st/clkgen-fsyn.c +++ b/drivers/clk/st/clkgen-fsyn.c @@ -340,7 +340,7 @@ static const struct clkgen_quadfs_data st_fs660c32_C_407 = { CLKGEN_FIELD(0x30c, 0xf, 20), CLKGEN_FIELD(0x310, 0xf, 20) }, .lockstatus_present = true, - .lock_status = CLKGEN_FIELD(0x2A0, 0x1, 24), + .lock_status = CLKGEN_FIELD(0x2f0, 0x1, 24), .powerup_polarity = 1, .standby_polarity = 1, .pll_ops = &st_quadfs_pll_c32_ops, @@ -489,7 +489,7 @@ static int quadfs_pll_is_enabled(struct clk_hw *hw) struct st_clk_quadfs_pll *pll = to_quadfs_pll(hw); u32 npda = CLKGEN_READ(pll, npda); - return !!npda; + return pll->data->powerup_polarity ? !npda : !!npda; } static int clk_fs660c32_vco_get_rate(unsigned long input, struct stm_fs *fs, @@ -635,7 +635,7 @@ static struct clk * __init st_clk_register_quadfs_pll( init.name = name; init.ops = quadfs->pll_ops; - init.flags = CLK_IS_BASIC; + init.flags = CLK_IS_BASIC | CLK_GET_RATE_NOCACHE; init.parent_names = &parent_name; init.num_parents = 1; @@ -774,7 +774,7 @@ static void quadfs_fsynth_disable(struct clk_hw *hw) if (fs->lock) spin_lock_irqsave(fs->lock, flags); - CLKGEN_WRITE(fs, nsb[fs->chan], !fs->data->standby_polarity); + CLKGEN_WRITE(fs, nsb[fs->chan], fs->data->standby_polarity); if (fs->lock) spin_unlock_irqrestore(fs->lock, flags); @@ -1082,10 +1082,6 @@ static const struct of_device_id quadfs_of_match[] = { .compatible = "st,stih407-quadfs660-D", .data = &st_fs660c32_D_407 }, - { - .compatible = "st,stih407-quadfs660-D", - .data = (void *)&st_fs660c32_D_407 - }, {} }; diff --git a/drivers/clk/st/clkgen-mux.c b/drivers/clk/st/clkgen-mux.c index 4fbe6e099587..717c4a91a17b 100644 --- a/drivers/clk/st/clkgen-mux.c +++ b/drivers/clk/st/clkgen-mux.c @@ -237,7 +237,7 @@ static struct clk *clk_register_genamux(const char *name, init.name = name; init.ops = &clkgena_divmux_ops; - init.flags = CLK_IS_BASIC; + init.flags = CLK_IS_BASIC | CLK_GET_RATE_NOCACHE; init.parent_names = parent_names; init.num_parents = num_parents; @@ -513,7 +513,8 @@ static void __init st_of_clkgena_prediv_setup(struct device_node *np) 0, &clk_name)) return; - clk = clk_register_divider_table(NULL, clk_name, parent_name, 0, + clk = clk_register_divider_table(NULL, clk_name, parent_name, + CLK_GET_RATE_NOCACHE, reg + data->offset, data->shift, 1, 0, data->table, NULL); if (IS_ERR(clk)) @@ -582,7 +583,7 @@ static struct clkgen_mux_data stih416_a9_mux_data = { }; static struct clkgen_mux_data stih407_a9_mux_data = { .offset = 0x1a4, - .shift = 1, + .shift = 0, .width = 2, }; @@ -786,7 +787,8 @@ static void __init st_of_clkgen_vcc_setup(struct device_node *np) &mux->hw, &clk_mux_ops, &div->hw, &clk_divider_ops, &gate->hw, &clk_gate_ops, - data->clk_flags); + data->clk_flags | + CLK_GET_RATE_NOCACHE); if (IS_ERR(clk)) { kfree(gate); kfree(div); diff --git a/drivers/clk/st/clkgen-pll.c b/drivers/clk/st/clkgen-pll.c index 106532207213..72d1c27eaffa 100644 --- a/drivers/clk/st/clkgen-pll.c +++ b/drivers/clk/st/clkgen-pll.c @@ -406,7 +406,7 @@ static struct clk * __init clkgen_pll_register(const char *parent_name, init.name = clk_name; init.ops = pll_data->ops; - init.flags = CLK_IS_BASIC; + init.flags = CLK_IS_BASIC | CLK_GET_RATE_NOCACHE; init.parent_names = &parent_name; init.num_parents = 1; diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c index 9a82f17d2d73..abf7b37faf73 100644 --- a/drivers/clk/sunxi/clk-sunxi.c +++ b/drivers/clk/sunxi/clk-sunxi.c @@ -1391,6 +1391,7 @@ static void __init sun6i_init_clocks(struct device_node *node) CLK_OF_DECLARE(sun6i_a31_clk_init, "allwinner,sun6i-a31", sun6i_init_clocks); CLK_OF_DECLARE(sun6i_a31s_clk_init, "allwinner,sun6i-a31s", sun6i_init_clocks); CLK_OF_DECLARE(sun8i_a23_clk_init, "allwinner,sun8i-a23", sun6i_init_clocks); +CLK_OF_DECLARE(sun8i_a33_clk_init, "allwinner,sun8i-a33", sun6i_init_clocks); static void __init sun9i_init_clocks(struct device_node *node) { diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c index b8ff3c64cc45..c96de14036a0 100644 --- a/drivers/clocksource/sh_cmt.c +++ b/drivers/clocksource/sh_cmt.c @@ -661,6 +661,9 @@ static void sh_cmt_clocksource_suspend(struct clocksource *cs) { struct sh_cmt_channel *ch = cs_to_sh_cmt(cs); + if (!ch->cs_enabled) + return; + sh_cmt_stop(ch, FLAG_CLOCKSOURCE); pm_genpd_syscore_poweroff(&ch->cmt->pdev->dev); } @@ -669,6 +672,9 @@ static void sh_cmt_clocksource_resume(struct clocksource *cs) { struct sh_cmt_channel *ch = cs_to_sh_cmt(cs); + if (!ch->cs_enabled) + return; + pm_genpd_syscore_poweron(&ch->cmt->pdev->dev); sh_cmt_start(ch, FLAG_CLOCKSOURCE); } diff --git a/drivers/clocksource/timer-imx-gpt.c b/drivers/clocksource/timer-imx-gpt.c index 879c78423546..86c7eb66bdfb 100644 --- a/drivers/clocksource/timer-imx-gpt.c +++ b/drivers/clocksource/timer-imx-gpt.c @@ -462,6 +462,7 @@ void __init mxc_timer_init(unsigned long pbase, int irq, enum imx_gpt_type type) BUG_ON(!imxtm->base); imxtm->type = type; + imxtm->irq = irq; _mxc_timer_init(imxtm); } @@ -529,6 +530,7 @@ static void __init imx6dl_timer_init_dt(struct device_node *np) CLOCKSOURCE_OF_DECLARE(imx1_timer, "fsl,imx1-gpt", imx1_timer_init_dt); CLOCKSOURCE_OF_DECLARE(imx21_timer, "fsl,imx21-gpt", imx21_timer_init_dt); +CLOCKSOURCE_OF_DECLARE(imx27_timer, "fsl,imx27-gpt", imx21_timer_init_dt); CLOCKSOURCE_OF_DECLARE(imx31_timer, "fsl,imx31-gpt", imx31_timer_init_dt); CLOCKSOURCE_OF_DECLARE(imx25_timer, "fsl,imx25-gpt", imx31_timer_init_dt); CLOCKSOURCE_OF_DECLARE(imx50_timer, "fsl,imx50-gpt", imx31_timer_init_dt); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index b612411655f9..7a3c30c4336f 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -169,6 +169,15 @@ struct kobject *get_governor_parent_kobj(struct cpufreq_policy *policy) } EXPORT_SYMBOL_GPL(get_governor_parent_kobj); +struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu) +{ + struct cpufreq_policy *policy = per_cpu(cpufreq_cpu_data, cpu); + + return policy && !policy_is_inactive(policy) ? + policy->freq_table : NULL; +} +EXPORT_SYMBOL_GPL(cpufreq_frequency_get_table); + static inline u64 get_cpu_idle_time_jiffy(unsigned int cpu, u64 *wall) { u64 idle_time; @@ -993,7 +1002,7 @@ static int cpufreq_add_dev_symlink(struct cpufreq_policy *policy) int ret = 0; /* Some related CPUs might not be present (physically hotplugged) */ - for_each_cpu_and(j, policy->related_cpus, cpu_present_mask) { + for_each_cpu(j, policy->real_cpus) { if (j == policy->kobj_cpu) continue; @@ -1010,7 +1019,7 @@ static void cpufreq_remove_dev_symlink(struct cpufreq_policy *policy) unsigned int j; /* Some related CPUs might not be present (physically hotplugged) */ - for_each_cpu_and(j, policy->related_cpus, cpu_present_mask) { + for_each_cpu(j, policy->real_cpus) { if (j == policy->kobj_cpu) continue; @@ -1132,6 +1141,7 @@ static struct cpufreq_policy *cpufreq_policy_restore(unsigned int cpu) down_write(&policy->rwsem); policy->cpu = cpu; + policy->governor = NULL; up_write(&policy->rwsem); } @@ -1153,11 +1163,14 @@ static struct cpufreq_policy *cpufreq_policy_alloc(struct device *dev) if (!zalloc_cpumask_var(&policy->related_cpus, GFP_KERNEL)) goto err_free_cpumask; + if (!zalloc_cpumask_var(&policy->real_cpus, GFP_KERNEL)) + goto err_free_rcpumask; + ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq, &dev->kobj, "cpufreq"); if (ret) { pr_err("%s: failed to init policy->kobj: %d\n", __func__, ret); - goto err_free_rcpumask; + goto err_free_real_cpus; } INIT_LIST_HEAD(&policy->policy_list); @@ -1174,6 +1187,8 @@ static struct cpufreq_policy *cpufreq_policy_alloc(struct device *dev) return policy; +err_free_real_cpus: + free_cpumask_var(policy->real_cpus); err_free_rcpumask: free_cpumask_var(policy->related_cpus); err_free_cpumask: @@ -1224,6 +1239,7 @@ static void cpufreq_policy_free(struct cpufreq_policy *policy, bool notify) write_unlock_irqrestore(&cpufreq_driver_lock, flags); cpufreq_policy_put_kobj(policy, notify); + free_cpumask_var(policy->real_cpus); free_cpumask_var(policy->related_cpus); free_cpumask_var(policy->cpus); kfree(policy); @@ -1248,14 +1264,17 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif) pr_debug("adding CPU %u\n", cpu); - /* - * Only possible if 'cpu' wasn't physically present earlier and we are - * here from subsys_interface add callback. A hotplug notifier will - * follow and we will handle it like logical CPU hotplug then. For now, - * just create the sysfs link. - */ - if (cpu_is_offline(cpu)) - return add_cpu_dev_symlink(per_cpu(cpufreq_cpu_data, cpu), cpu); + if (cpu_is_offline(cpu)) { + /* + * Only possible if we are here from the subsys_interface add + * callback. A hotplug notifier will follow and we will handle + * it as CPU online then. For now, just create the sysfs link, + * unless there is no policy or the link is already present. + */ + policy = per_cpu(cpufreq_cpu_data, cpu); + return policy && !cpumask_test_and_set_cpu(cpu, policy->real_cpus) + ? add_cpu_dev_symlink(policy, cpu) : 0; + } if (!down_read_trylock(&cpufreq_rwsem)) return 0; @@ -1297,6 +1316,10 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif) /* related cpus should atleast have policy->cpus */ cpumask_or(policy->related_cpus, policy->related_cpus, policy->cpus); + /* Remember which CPUs have been present at the policy creation time. */ + if (!recover_policy) + cpumask_and(policy->real_cpus, policy->cpus, cpu_present_mask); + /* * affected cpus must always be the one, which are online. We aren't * managing offline cpus here. @@ -1410,8 +1433,7 @@ nomem_out: return ret; } -static int __cpufreq_remove_dev_prepare(struct device *dev, - struct subsys_interface *sif) +static int __cpufreq_remove_dev_prepare(struct device *dev) { unsigned int cpu = dev->id; int ret = 0; @@ -1427,10 +1449,8 @@ static int __cpufreq_remove_dev_prepare(struct device *dev, if (has_target()) { ret = __cpufreq_governor(policy, CPUFREQ_GOV_STOP); - if (ret) { + if (ret) pr_err("%s: Failed to stop governor\n", __func__); - return ret; - } } down_write(&policy->rwsem); @@ -1463,8 +1483,7 @@ static int __cpufreq_remove_dev_prepare(struct device *dev, return ret; } -static int __cpufreq_remove_dev_finish(struct device *dev, - struct subsys_interface *sif) +static int __cpufreq_remove_dev_finish(struct device *dev) { unsigned int cpu = dev->id; int ret; @@ -1482,10 +1501,8 @@ static int __cpufreq_remove_dev_finish(struct device *dev, /* If cpu is last user of policy, free policy */ if (has_target()) { ret = __cpufreq_governor(policy, CPUFREQ_GOV_POLICY_EXIT); - if (ret) { + if (ret) pr_err("%s: Failed to exit governor\n", __func__); - return ret; - } } /* @@ -1496,10 +1513,6 @@ static int __cpufreq_remove_dev_finish(struct device *dev, if (cpufreq_driver->exit) cpufreq_driver->exit(policy); - /* Free the policy only if the driver is getting removed. */ - if (sif) - cpufreq_policy_free(policy, true); - return 0; } @@ -1511,42 +1524,41 @@ static int __cpufreq_remove_dev_finish(struct device *dev, static int cpufreq_remove_dev(struct device *dev, struct subsys_interface *sif) { unsigned int cpu = dev->id; - int ret; - - /* - * Only possible if 'cpu' is getting physically removed now. A hotplug - * notifier should have already been called and we just need to remove - * link or free policy here. - */ - if (cpu_is_offline(cpu)) { - struct cpufreq_policy *policy = per_cpu(cpufreq_cpu_data, cpu); - struct cpumask mask; + struct cpufreq_policy *policy = per_cpu(cpufreq_cpu_data, cpu); - if (!policy) - return 0; + if (!policy) + return 0; - cpumask_copy(&mask, policy->related_cpus); - cpumask_clear_cpu(cpu, &mask); + if (cpu_online(cpu)) { + __cpufreq_remove_dev_prepare(dev); + __cpufreq_remove_dev_finish(dev); + } - /* - * Free policy only if all policy->related_cpus are removed - * physically. - */ - if (cpumask_intersects(&mask, cpu_present_mask)) { - remove_cpu_dev_symlink(policy, cpu); - return 0; - } + cpumask_clear_cpu(cpu, policy->real_cpus); + if (cpumask_empty(policy->real_cpus)) { cpufreq_policy_free(policy, true); return 0; } - ret = __cpufreq_remove_dev_prepare(dev, sif); + if (cpu != policy->kobj_cpu) { + remove_cpu_dev_symlink(policy, cpu); + } else { + /* + * The CPU owning the policy object is going away. Move it to + * another suitable CPU. + */ + unsigned int new_cpu = cpumask_first(policy->real_cpus); + struct device *new_dev = get_cpu_device(new_cpu); - if (!ret) - ret = __cpufreq_remove_dev_finish(dev, sif); + dev_dbg(dev, "%s: Moving policy object to CPU%u\n", __func__, new_cpu); - return ret; + sysfs_remove_link(&new_dev->kobj, "cpufreq"); + policy->kobj_cpu = new_cpu; + WARN_ON(kobject_move(&policy->kobj, &new_dev->kobj)); + } + + return 0; } static void handle_update(struct work_struct *work) @@ -2385,11 +2397,11 @@ static int cpufreq_cpu_callback(struct notifier_block *nfb, break; case CPU_DOWN_PREPARE: - __cpufreq_remove_dev_prepare(dev, NULL); + __cpufreq_remove_dev_prepare(dev); break; case CPU_POST_DEAD: - __cpufreq_remove_dev_finish(dev, NULL); + __cpufreq_remove_dev_finish(dev); break; case CPU_DOWN_FAILED: diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c index ae5b2bd3a978..fa3dd840a837 100644 --- a/drivers/cpufreq/exynos-cpufreq.c +++ b/drivers/cpufreq/exynos-cpufreq.c @@ -180,7 +180,7 @@ static int exynos_cpufreq_probe(struct platform_device *pdev) ret = exynos5250_cpufreq_init(exynos_info); } else { pr_err("%s: Unknown SoC type\n", __func__); - return -ENODEV; + ret = -ENODEV; } if (ret) @@ -188,12 +188,14 @@ static int exynos_cpufreq_probe(struct platform_device *pdev) if (exynos_info->set_freq == NULL) { dev_err(&pdev->dev, "No set_freq function (ERR)\n"); + ret = -EINVAL; goto err_vdd_arm; } arm_regulator = regulator_get(NULL, "vdd_arm"); if (IS_ERR(arm_regulator)) { dev_err(&pdev->dev, "failed to get resource vdd_arm\n"); + ret = -EINVAL; goto err_vdd_arm; } @@ -225,7 +227,7 @@ err_cpufreq_reg: regulator_put(arm_regulator); err_vdd_arm: kfree(exynos_info); - return -EINVAL; + return ret; } static struct platform_driver exynos_cpufreq_platdrv = { diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c index df14766a8e06..dfbbf981ed56 100644 --- a/drivers/cpufreq/freq_table.c +++ b/drivers/cpufreq/freq_table.c @@ -297,15 +297,6 @@ int cpufreq_table_validate_and_show(struct cpufreq_policy *policy, } EXPORT_SYMBOL_GPL(cpufreq_table_validate_and_show); -struct cpufreq_policy *cpufreq_cpu_get_raw(unsigned int cpu); - -struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu) -{ - struct cpufreq_policy *policy = cpufreq_cpu_get_raw(cpu); - return policy ? policy->freq_table : NULL; -} -EXPORT_SYMBOL_GPL(cpufreq_frequency_get_table); - MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>"); MODULE_DESCRIPTION("CPUfreq frequency table helpers"); MODULE_LICENSE("GPL"); diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 15ada47bb720..fcb929ec5304 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -681,6 +681,7 @@ static struct cpu_defaults knl_params = { .get_max = core_get_max_pstate, .get_min = core_get_min_pstate, .get_turbo = knl_get_turbo_pstate, + .get_scaling = core_get_scaling, .set = core_set_pstate, }, }; diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c index fc897babab55..cd593c1f66dc 100644 --- a/drivers/cpufreq/loongson2_cpufreq.c +++ b/drivers/cpufreq/loongson2_cpufreq.c @@ -3,7 +3,7 @@ * * The 2E revision of loongson processor not support this feature. * - * Copyright (C) 2006 - 2008 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2006 - 2008 Lemote Inc. & Institute of Computing Technology * Author: Yanhua, yanh@lemote.com * * This file is subject to the terms and conditions of the GNU General Public @@ -20,7 +20,7 @@ #include <asm/clock.h> #include <asm/idle.h> -#include <asm/mach-loongson/loongson.h> +#include <asm/mach-loongson64/loongson.h> static uint nowait; diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index e8e2775c3821..48b7228563ad 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -112,7 +112,12 @@ int cpuidle_find_deepest_state(struct cpuidle_driver *drv, static void enter_freeze_proper(struct cpuidle_driver *drv, struct cpuidle_device *dev, int index) { - tick_freeze(); + /* + * trace_suspend_resume() called by tick_freeze() for the last CPU + * executing it contains RCU usage regarded as invalid in the idle + * context, so tell RCU about that. + */ + RCU_NONIDLE(tick_freeze()); /* * The state used here cannot be a "coupled" one, because the "coupled" * cpuidle mechanism enables interrupts and doing that with timekeeping @@ -122,7 +127,7 @@ static void enter_freeze_proper(struct cpuidle_driver *drv, WARN_ON(!irqs_disabled()); /* * timekeeping_resume() that will be called by tick_unfreeze() for the - * last CPU executing it calls functions containing RCU read-side + * first CPU executing it calls functions containing RCU read-side * critical sections, so tell RCU about that. */ RCU_NONIDLE(tick_unfreeze()); diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index dae1e8099969..f9c78751989e 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -909,13 +909,14 @@ static int ahash_final_ctx(struct ahash_request *req) state->buflen_1; u32 *sh_desc = ctx->sh_desc_fin, *desc; dma_addr_t ptr = ctx->sh_desc_fin_dma; - int sec4_sg_bytes; + int sec4_sg_bytes, sec4_sg_src_index; int digestsize = crypto_ahash_digestsize(ahash); struct ahash_edesc *edesc; int ret = 0; int sh_len; - sec4_sg_bytes = (1 + (buflen ? 1 : 0)) * sizeof(struct sec4_sg_entry); + sec4_sg_src_index = 1 + (buflen ? 1 : 0); + sec4_sg_bytes = sec4_sg_src_index * sizeof(struct sec4_sg_entry); /* allocate space for base edesc and hw desc commands, link tables */ edesc = kmalloc(sizeof(struct ahash_edesc) + DESC_JOB_IO_LEN + @@ -942,7 +943,7 @@ static int ahash_final_ctx(struct ahash_request *req) state->buf_dma = try_buf_map_to_sec4_sg(jrdev, edesc->sec4_sg + 1, buf, state->buf_dma, buflen, last_buflen); - (edesc->sec4_sg + sec4_sg_bytes - 1)->len |= SEC4_SG_LEN_FIN; + (edesc->sec4_sg + sec4_sg_src_index - 1)->len |= SEC4_SG_LEN_FIN; edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg, sec4_sg_bytes, DMA_TO_DEVICE); diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index 7ba495f75370..402631a19a11 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c @@ -905,7 +905,6 @@ static int ablk_perform(struct ablkcipher_request *req, int encrypt) crypt->mode |= NPE_OP_NOT_IN_PLACE; /* This was never tested by Intel * for more than one dst buffer, I think. */ - BUG_ON(req->dst->length < nbytes); req_ctx->dst = NULL; if (!chainup_buffers(dev, req->dst, nbytes, &dst_hook, flags, DMA_FROM_DEVICE)) diff --git a/drivers/crypto/nx/nx-aes-ccm.c b/drivers/crypto/nx/nx-aes-ccm.c index 67f80813a06f..e4311ce0cd78 100644 --- a/drivers/crypto/nx/nx-aes-ccm.c +++ b/drivers/crypto/nx/nx-aes-ccm.c @@ -494,8 +494,9 @@ out: static int ccm4309_aes_nx_encrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); + struct nx_gcm_rctx *rctx = aead_request_ctx(req); struct blkcipher_desc desc; - u8 *iv = nx_ctx->priv.ccm.iv; + u8 *iv = rctx->iv; iv[0] = 3; memcpy(iv + 1, nx_ctx->priv.ccm.nonce, 3); @@ -525,8 +526,9 @@ static int ccm_aes_nx_encrypt(struct aead_request *req) static int ccm4309_aes_nx_decrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); + struct nx_gcm_rctx *rctx = aead_request_ctx(req); struct blkcipher_desc desc; - u8 *iv = nx_ctx->priv.ccm.iv; + u8 *iv = rctx->iv; iv[0] = 3; memcpy(iv + 1, nx_ctx->priv.ccm.nonce, 3); diff --git a/drivers/crypto/nx/nx-aes-ctr.c b/drivers/crypto/nx/nx-aes-ctr.c index 2617cd4d54dd..dd7e9f3f5b6b 100644 --- a/drivers/crypto/nx/nx-aes-ctr.c +++ b/drivers/crypto/nx/nx-aes-ctr.c @@ -72,7 +72,7 @@ static int ctr3686_aes_nx_set_key(struct crypto_tfm *tfm, if (key_len < CTR_RFC3686_NONCE_SIZE) return -EINVAL; - memcpy(nx_ctx->priv.ctr.iv, + memcpy(nx_ctx->priv.ctr.nonce, in_key + key_len - CTR_RFC3686_NONCE_SIZE, CTR_RFC3686_NONCE_SIZE); @@ -131,14 +131,15 @@ static int ctr3686_aes_nx_crypt(struct blkcipher_desc *desc, unsigned int nbytes) { struct nx_crypto_ctx *nx_ctx = crypto_blkcipher_ctx(desc->tfm); - u8 *iv = nx_ctx->priv.ctr.iv; + u8 iv[16]; + memcpy(iv, nx_ctx->priv.ctr.nonce, CTR_RFC3686_IV_SIZE); memcpy(iv + CTR_RFC3686_NONCE_SIZE, desc->info, CTR_RFC3686_IV_SIZE); iv[12] = iv[13] = iv[14] = 0; iv[15] = 1; - desc->info = nx_ctx->priv.ctr.iv; + desc->info = iv; return ctr_aes_nx_crypt(desc, dst, src, nbytes); } diff --git a/drivers/crypto/nx/nx-aes-gcm.c b/drivers/crypto/nx/nx-aes-gcm.c index 08ac6d48688c..92c993f08213 100644 --- a/drivers/crypto/nx/nx-aes-gcm.c +++ b/drivers/crypto/nx/nx-aes-gcm.c @@ -317,6 +317,7 @@ out: static int gcm_aes_nx_crypt(struct aead_request *req, int enc) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); + struct nx_gcm_rctx *rctx = aead_request_ctx(req); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; struct blkcipher_desc desc; unsigned int nbytes = req->cryptlen; @@ -326,7 +327,7 @@ static int gcm_aes_nx_crypt(struct aead_request *req, int enc) spin_lock_irqsave(&nx_ctx->lock, irq_flags); - desc.info = nx_ctx->priv.gcm.iv; + desc.info = rctx->iv; /* initialize the counter */ *(u32 *)(desc.info + NX_GCM_CTR_OFFSET) = 1; @@ -424,8 +425,8 @@ out: static int gcm_aes_nx_encrypt(struct aead_request *req) { - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; memcpy(iv, req->iv, 12); @@ -434,8 +435,8 @@ static int gcm_aes_nx_encrypt(struct aead_request *req) static int gcm_aes_nx_decrypt(struct aead_request *req) { - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; memcpy(iv, req->iv, 12); @@ -445,7 +446,8 @@ static int gcm_aes_nx_decrypt(struct aead_request *req) static int gcm4106_aes_nx_encrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; char *nonce = nx_ctx->priv.gcm.nonce; memcpy(iv, nonce, NX_GCM4106_NONCE_LEN); @@ -457,7 +459,8 @@ static int gcm4106_aes_nx_encrypt(struct aead_request *req) static int gcm4106_aes_nx_decrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; char *nonce = nx_ctx->priv.gcm.nonce; memcpy(iv, nonce, NX_GCM4106_NONCE_LEN); diff --git a/drivers/crypto/nx/nx-aes-xcbc.c b/drivers/crypto/nx/nx-aes-xcbc.c index 8c2faffab4a3..c2f7d4befb55 100644 --- a/drivers/crypto/nx/nx-aes-xcbc.c +++ b/drivers/crypto/nx/nx-aes-xcbc.c @@ -42,6 +42,7 @@ static int nx_xcbc_set_key(struct crypto_shash *desc, unsigned int key_len) { struct nx_crypto_ctx *nx_ctx = crypto_shash_ctx(desc); + struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; switch (key_len) { case AES_KEYSIZE_128: @@ -51,7 +52,7 @@ static int nx_xcbc_set_key(struct crypto_shash *desc, return -EINVAL; } - memcpy(nx_ctx->priv.xcbc.key, in_key, key_len); + memcpy(csbcpb->cpb.aes_xcbc.key, in_key, key_len); return 0; } @@ -148,32 +149,29 @@ out: return rc; } -static int nx_xcbc_init(struct shash_desc *desc) +static int nx_crypto_ctx_aes_xcbc_init2(struct crypto_tfm *tfm) { - struct xcbc_state *sctx = shash_desc_ctx(desc); - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); + struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; - struct nx_sg *out_sg; - int len; + int err; - nx_ctx_init(nx_ctx, HCOP_FC_AES); + err = nx_crypto_ctx_aes_xcbc_init(tfm); + if (err) + return err; - memset(sctx, 0, sizeof *sctx); + nx_ctx_init(nx_ctx, HCOP_FC_AES); NX_CPB_SET_KEY_SIZE(csbcpb, NX_KS_AES_128); csbcpb->cpb.hdr.mode = NX_MODE_AES_XCBC_MAC; - memcpy(csbcpb->cpb.aes_xcbc.key, nx_ctx->priv.xcbc.key, AES_BLOCK_SIZE); - memset(nx_ctx->priv.xcbc.key, 0, sizeof *nx_ctx->priv.xcbc.key); - - len = AES_BLOCK_SIZE; - out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, - &len, nx_ctx->ap->sglen); + return 0; +} - if (len != AES_BLOCK_SIZE) - return -EINVAL; +static int nx_xcbc_init(struct shash_desc *desc) +{ + struct xcbc_state *sctx = shash_desc_ctx(desc); - nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + memset(sctx, 0, sizeof *sctx); return 0; } @@ -186,6 +184,7 @@ static int nx_xcbc_update(struct shash_desc *desc, struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; struct nx_sg *in_sg; + struct nx_sg *out_sg; u32 to_process = 0, leftover, total; unsigned int max_sg_len; unsigned long irq_flags; @@ -213,6 +212,17 @@ static int nx_xcbc_update(struct shash_desc *desc, max_sg_len = min_t(u64, max_sg_len, nx_ctx->ap->databytelen/NX_PAGE_SIZE); + data_len = AES_BLOCK_SIZE; + out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, + &len, nx_ctx->ap->sglen); + + if (data_len != AES_BLOCK_SIZE) { + rc = -EINVAL; + goto out; + } + + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + do { to_process = total - to_process; to_process = to_process & ~(AES_BLOCK_SIZE - 1); @@ -235,8 +245,10 @@ static int nx_xcbc_update(struct shash_desc *desc, (u8 *) sctx->buffer, &data_len, max_sg_len); - if (data_len != sctx->count) - return -EINVAL; + if (data_len != sctx->count) { + rc = -EINVAL; + goto out; + } } data_len = to_process - sctx->count; @@ -245,8 +257,10 @@ static int nx_xcbc_update(struct shash_desc *desc, &data_len, max_sg_len); - if (data_len != to_process - sctx->count) - return -EINVAL; + if (data_len != to_process - sctx->count) { + rc = -EINVAL; + goto out; + } nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); @@ -325,15 +339,19 @@ static int nx_xcbc_final(struct shash_desc *desc, u8 *out) in_sg = nx_build_sg_list(nx_ctx->in_sg, (u8 *)sctx->buffer, &len, nx_ctx->ap->sglen); - if (len != sctx->count) - return -EINVAL; + if (len != sctx->count) { + rc = -EINVAL; + goto out; + } len = AES_BLOCK_SIZE; out_sg = nx_build_sg_list(nx_ctx->out_sg, out, &len, nx_ctx->ap->sglen); - if (len != AES_BLOCK_SIZE) - return -EINVAL; + if (len != AES_BLOCK_SIZE) { + rc = -EINVAL; + goto out; + } nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); @@ -372,7 +390,7 @@ struct shash_alg nx_shash_aes_xcbc_alg = { .cra_blocksize = AES_BLOCK_SIZE, .cra_module = THIS_MODULE, .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_init = nx_crypto_ctx_aes_xcbc_init, + .cra_init = nx_crypto_ctx_aes_xcbc_init2, .cra_exit = nx_crypto_ctx_exit, } }; diff --git a/drivers/crypto/nx/nx-sha256.c b/drivers/crypto/nx/nx-sha256.c index 4e91bdb83c59..becb738c897b 100644 --- a/drivers/crypto/nx/nx-sha256.c +++ b/drivers/crypto/nx/nx-sha256.c @@ -29,34 +29,28 @@ #include "nx.h" -static int nx_sha256_init(struct shash_desc *desc) +static int nx_crypto_ctx_sha256_init(struct crypto_tfm *tfm) { - struct sha256_state *sctx = shash_desc_ctx(desc); - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); - struct nx_sg *out_sg; - int len; - u32 max_sg_len; + struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm); + int err; - nx_ctx_init(nx_ctx, HCOP_FC_SHA); + err = nx_crypto_ctx_sha_init(tfm); + if (err) + return err; - memset(sctx, 0, sizeof *sctx); + nx_ctx_init(nx_ctx, HCOP_FC_SHA); nx_ctx->ap = &nx_ctx->props[NX_PROPS_SHA256]; NX_CPB_SET_DIGEST_SIZE(nx_ctx->csbcpb, NX_DS_SHA256); - max_sg_len = min_t(u64, nx_ctx->ap->sglen, - nx_driver.of.max_sg_len/sizeof(struct nx_sg)); - max_sg_len = min_t(u64, max_sg_len, - nx_ctx->ap->databytelen/NX_PAGE_SIZE); + return 0; +} - len = SHA256_DIGEST_SIZE; - out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, - &len, max_sg_len); - nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); +static int nx_sha256_init(struct shash_desc *desc) { + struct sha256_state *sctx = shash_desc_ctx(desc); - if (len != SHA256_DIGEST_SIZE) - return -EINVAL; + memset(sctx, 0, sizeof *sctx); sctx->state[0] = __cpu_to_be32(SHA256_H0); sctx->state[1] = __cpu_to_be32(SHA256_H1); @@ -77,7 +71,7 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, struct sha256_state *sctx = shash_desc_ctx(desc); struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = (struct nx_csbcpb *)nx_ctx->csbcpb; - struct nx_sg *in_sg; + struct nx_sg *out_sg; u64 to_process = 0, leftover, total; unsigned long irq_flags; int rc = 0; @@ -102,24 +96,28 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, NX_CPB_FDM(csbcpb) |= NX_FDM_INTERMEDIATE; NX_CPB_FDM(csbcpb) |= NX_FDM_CONTINUATION; - in_sg = nx_ctx->in_sg; max_sg_len = min_t(u64, nx_ctx->ap->sglen, nx_driver.of.max_sg_len/sizeof(struct nx_sg)); max_sg_len = min_t(u64, max_sg_len, nx_ctx->ap->databytelen/NX_PAGE_SIZE); + data_len = SHA256_DIGEST_SIZE; + out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, + &data_len, max_sg_len); + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + + if (data_len != SHA256_DIGEST_SIZE) { + rc = -EINVAL; + goto out; + } + do { - /* - * to_process: the SHA256_BLOCK_SIZE data chunk to process in - * this update. This value is also restricted by the sg list - * limits. - */ - to_process = total - to_process; - to_process = to_process & ~(SHA256_BLOCK_SIZE - 1); + int used_sgs = 0; + struct nx_sg *in_sg = nx_ctx->in_sg; if (buf_len) { data_len = buf_len; - in_sg = nx_build_sg_list(nx_ctx->in_sg, + in_sg = nx_build_sg_list(in_sg, (u8 *) sctx->buf, &data_len, max_sg_len); @@ -128,15 +126,27 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, rc = -EINVAL; goto out; } + used_sgs = in_sg - nx_ctx->in_sg; } + /* to_process: SHA256_BLOCK_SIZE aligned chunk to be + * processed in this iteration. This value is restricted + * by sg list limits and number of sgs we already used + * for leftover data. (see above) + * In ideal case, we could allow NX_PAGE_SIZE * max_sg_len, + * but because data may not be aligned, we need to account + * for that too. */ + to_process = min_t(u64, total, + (max_sg_len - 1 - used_sgs) * NX_PAGE_SIZE); + to_process = to_process & ~(SHA256_BLOCK_SIZE - 1); + data_len = to_process - buf_len; in_sg = nx_build_sg_list(in_sg, (u8 *) data, &data_len, max_sg_len); nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); - to_process = (data_len + buf_len); + to_process = data_len + buf_len; leftover = total - to_process; /* @@ -282,7 +292,7 @@ struct shash_alg nx_shash_sha256_alg = { .cra_blocksize = SHA256_BLOCK_SIZE, .cra_module = THIS_MODULE, .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_init = nx_crypto_ctx_sha_init, + .cra_init = nx_crypto_ctx_sha256_init, .cra_exit = nx_crypto_ctx_exit, } }; diff --git a/drivers/crypto/nx/nx-sha512.c b/drivers/crypto/nx/nx-sha512.c index e6a58d2ee628..b6e183d58d73 100644 --- a/drivers/crypto/nx/nx-sha512.c +++ b/drivers/crypto/nx/nx-sha512.c @@ -28,34 +28,29 @@ #include "nx.h" -static int nx_sha512_init(struct shash_desc *desc) +static int nx_crypto_ctx_sha512_init(struct crypto_tfm *tfm) { - struct sha512_state *sctx = shash_desc_ctx(desc); - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); - struct nx_sg *out_sg; - int len; - u32 max_sg_len; + struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm); + int err; - nx_ctx_init(nx_ctx, HCOP_FC_SHA); + err = nx_crypto_ctx_sha_init(tfm); + if (err) + return err; - memset(sctx, 0, sizeof *sctx); + nx_ctx_init(nx_ctx, HCOP_FC_SHA); nx_ctx->ap = &nx_ctx->props[NX_PROPS_SHA512]; NX_CPB_SET_DIGEST_SIZE(nx_ctx->csbcpb, NX_DS_SHA512); - max_sg_len = min_t(u64, nx_ctx->ap->sglen, - nx_driver.of.max_sg_len/sizeof(struct nx_sg)); - max_sg_len = min_t(u64, max_sg_len, - nx_ctx->ap->databytelen/NX_PAGE_SIZE); + return 0; +} - len = SHA512_DIGEST_SIZE; - out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, - &len, max_sg_len); - nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); +static int nx_sha512_init(struct shash_desc *desc) +{ + struct sha512_state *sctx = shash_desc_ctx(desc); - if (len != SHA512_DIGEST_SIZE) - return -EINVAL; + memset(sctx, 0, sizeof *sctx); sctx->state[0] = __cpu_to_be64(SHA512_H0); sctx->state[1] = __cpu_to_be64(SHA512_H1); @@ -76,7 +71,7 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, struct sha512_state *sctx = shash_desc_ctx(desc); struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = (struct nx_csbcpb *)nx_ctx->csbcpb; - struct nx_sg *in_sg; + struct nx_sg *out_sg; u64 to_process, leftover = 0, total; unsigned long irq_flags; int rc = 0; @@ -101,25 +96,28 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, NX_CPB_FDM(csbcpb) |= NX_FDM_INTERMEDIATE; NX_CPB_FDM(csbcpb) |= NX_FDM_CONTINUATION; - in_sg = nx_ctx->in_sg; max_sg_len = min_t(u64, nx_ctx->ap->sglen, nx_driver.of.max_sg_len/sizeof(struct nx_sg)); max_sg_len = min_t(u64, max_sg_len, nx_ctx->ap->databytelen/NX_PAGE_SIZE); + data_len = SHA512_DIGEST_SIZE; + out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, + &data_len, max_sg_len); + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + + if (data_len != SHA512_DIGEST_SIZE) { + rc = -EINVAL; + goto out; + } + do { - /* - * to_process: the SHA512_BLOCK_SIZE data chunk to process in - * this update. This value is also restricted by the sg list - * limits. - */ - to_process = total - leftover; - to_process = to_process & ~(SHA512_BLOCK_SIZE - 1); - leftover = total - to_process; + int used_sgs = 0; + struct nx_sg *in_sg = nx_ctx->in_sg; if (buf_len) { data_len = buf_len; - in_sg = nx_build_sg_list(nx_ctx->in_sg, + in_sg = nx_build_sg_list(in_sg, (u8 *) sctx->buf, &data_len, max_sg_len); @@ -127,8 +125,20 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, rc = -EINVAL; goto out; } + used_sgs = in_sg - nx_ctx->in_sg; } + /* to_process: SHA512_BLOCK_SIZE aligned chunk to be + * processed in this iteration. This value is restricted + * by sg list limits and number of sgs we already used + * for leftover data. (see above) + * In ideal case, we could allow NX_PAGE_SIZE * max_sg_len, + * but because data may not be aligned, we need to account + * for that too. */ + to_process = min_t(u64, total, + (max_sg_len - 1 - used_sgs) * NX_PAGE_SIZE); + to_process = to_process & ~(SHA512_BLOCK_SIZE - 1); + data_len = to_process - buf_len; in_sg = nx_build_sg_list(in_sg, (u8 *) data, &data_len, max_sg_len); @@ -140,7 +150,7 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, goto out; } - to_process = (data_len + buf_len); + to_process = data_len + buf_len; leftover = total - to_process; /* @@ -288,7 +298,7 @@ struct shash_alg nx_shash_sha512_alg = { .cra_blocksize = SHA512_BLOCK_SIZE, .cra_module = THIS_MODULE, .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_init = nx_crypto_ctx_sha_init, + .cra_init = nx_crypto_ctx_sha512_init, .cra_exit = nx_crypto_ctx_exit, } }; diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c index f6198f29a4a8..436971343ff7 100644 --- a/drivers/crypto/nx/nx.c +++ b/drivers/crypto/nx/nx.c @@ -713,12 +713,15 @@ static int nx_crypto_ctx_init(struct nx_crypto_ctx *nx_ctx, u32 fc, u32 mode) /* entry points from the crypto tfm initializers */ int nx_crypto_ctx_aes_ccm_init(struct crypto_tfm *tfm) { + crypto_aead_set_reqsize(__crypto_aead_cast(tfm), + sizeof(struct nx_ccm_rctx)); return nx_crypto_ctx_init(crypto_tfm_ctx(tfm), NX_FC_AES, NX_MODE_AES_CCM); } int nx_crypto_ctx_aes_gcm_init(struct crypto_aead *tfm) { + crypto_aead_set_reqsize(tfm, sizeof(struct nx_gcm_rctx)); return nx_crypto_ctx_init(crypto_aead_ctx(tfm), NX_FC_AES, NX_MODE_AES_GCM); } diff --git a/drivers/crypto/nx/nx.h b/drivers/crypto/nx/nx.h index de3ea8738146..cdff03a42ae7 100644 --- a/drivers/crypto/nx/nx.h +++ b/drivers/crypto/nx/nx.h @@ -2,6 +2,8 @@ #ifndef __NX_H__ #define __NX_H__ +#include <crypto/ctr.h> + #define NX_NAME "nx-crypto" #define NX_STRING "IBM Power7+ Nest Accelerator Crypto Driver" #define NX_VERSION "1.0" @@ -91,8 +93,11 @@ struct nx_crypto_driver { #define NX_GCM4106_NONCE_LEN (4) #define NX_GCM_CTR_OFFSET (12) -struct nx_gcm_priv { +struct nx_gcm_rctx { u8 iv[16]; +}; + +struct nx_gcm_priv { u8 iauth_tag[16]; u8 nonce[NX_GCM4106_NONCE_LEN]; }; @@ -100,8 +105,11 @@ struct nx_gcm_priv { #define NX_CCM_AES_KEY_LEN (16) #define NX_CCM4309_AES_KEY_LEN (19) #define NX_CCM4309_NONCE_LEN (3) -struct nx_ccm_priv { +struct nx_ccm_rctx { u8 iv[16]; +}; + +struct nx_ccm_priv { u8 b0[16]; u8 iauth_tag[16]; u8 oauth_tag[16]; @@ -113,7 +121,7 @@ struct nx_xcbc_priv { }; struct nx_ctr_priv { - u8 iv[16]; + u8 nonce[CTR_RFC3686_NONCE_SIZE]; }; struct nx_crypto_ctx { diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c index 46307098f8ba..0a70e46d5416 100644 --- a/drivers/crypto/omap-des.c +++ b/drivers/crypto/omap-des.c @@ -536,9 +536,6 @@ static int omap_des_crypt_dma_stop(struct omap_des_dev *dd) dmaengine_terminate_all(dd->dma_lch_in); dmaengine_terminate_all(dd->dma_lch_out); - dma_unmap_sg(dd->dev, dd->in_sg, dd->in_sg_len, DMA_TO_DEVICE); - dma_unmap_sg(dd->dev, dd->out_sg, dd->out_sg_len, DMA_FROM_DEVICE); - return err; } diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index 067402c7c2a9..df427c0e9e7b 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -73,7 +73,8 @@ ICP_QAT_HW_CIPHER_KEY_CONVERT, \ ICP_QAT_HW_CIPHER_DECRYPT) -static atomic_t active_dev; +static DEFINE_MUTEX(algs_lock); +static unsigned int active_devs; struct qat_alg_buf { uint32_t len; @@ -1280,7 +1281,10 @@ static struct crypto_alg qat_algs[] = { { int qat_algs_register(void) { - if (atomic_add_return(1, &active_dev) == 1) { + int ret = 0; + + mutex_lock(&algs_lock); + if (++active_devs == 1) { int i; for (i = 0; i < ARRAY_SIZE(qat_algs); i++) @@ -1289,21 +1293,25 @@ int qat_algs_register(void) CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC : CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC; - return crypto_register_algs(qat_algs, ARRAY_SIZE(qat_algs)); + ret = crypto_register_algs(qat_algs, ARRAY_SIZE(qat_algs)); } - return 0; + mutex_unlock(&algs_lock); + return ret; } int qat_algs_unregister(void) { - if (atomic_sub_return(1, &active_dev) == 0) - return crypto_unregister_algs(qat_algs, ARRAY_SIZE(qat_algs)); - return 0; + int ret = 0; + + mutex_lock(&algs_lock); + if (--active_devs == 0) + ret = crypto_unregister_algs(qat_algs, ARRAY_SIZE(qat_algs)); + mutex_unlock(&algs_lock); + return ret; } int qat_algs_init(void) { - atomic_set(&active_dev, 0); crypto_get_default_rng(); return 0; } diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 59892126d175..d3629b7482dd 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -48,6 +48,8 @@ BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) |\ BIT(DMA_SLAVE_BUSWIDTH_4_BYTES)) +#define ATC_MAX_DSCR_TRIALS 10 + /* * Initial number of descriptors to allocate for each channel. This could * be increased during dma usage. @@ -285,28 +287,19 @@ static struct at_desc *atc_get_desc_by_cookie(struct at_dma_chan *atchan, * * @current_len: the number of bytes left before reading CTRLA * @ctrla: the value of CTRLA - * @desc: the descriptor containing the transfer width */ -static inline int atc_calc_bytes_left(int current_len, u32 ctrla, - struct at_desc *desc) +static inline int atc_calc_bytes_left(int current_len, u32 ctrla) { - return current_len - ((ctrla & ATC_BTSIZE_MAX) << desc->tx_width); -} + u32 btsize = (ctrla & ATC_BTSIZE_MAX); + u32 src_width = ATC_REG_TO_SRC_WIDTH(ctrla); -/** - * atc_calc_bytes_left_from_reg - calculates the number of bytes left according - * to the current value of CTRLA. - * - * @current_len: the number of bytes left before reading CTRLA - * @atchan: the channel to read CTRLA for - * @desc: the descriptor containing the transfer width - */ -static inline int atc_calc_bytes_left_from_reg(int current_len, - struct at_dma_chan *atchan, struct at_desc *desc) -{ - u32 ctrla = channel_readl(atchan, CTRLA); - - return atc_calc_bytes_left(current_len, ctrla, desc); + /* + * According to the datasheet, when reading the Control A Register + * (ctrla), the Buffer Transfer Size (btsize) bitfield refers to the + * number of transfers completed on the Source Interface. + * So btsize is always a number of source width transfers. + */ + return current_len - (btsize << src_width); } /** @@ -320,7 +313,7 @@ static int atc_get_bytes_left(struct dma_chan *chan, dma_cookie_t cookie) struct at_desc *desc_first = atc_first_active(atchan); struct at_desc *desc; int ret; - u32 ctrla, dscr; + u32 ctrla, dscr, trials; /* * If the cookie doesn't match to the currently running transfer then @@ -346,15 +339,82 @@ static int atc_get_bytes_left(struct dma_chan *chan, dma_cookie_t cookie) * the channel's DSCR register and compare it against the value * of the hardware linked list structure of each child * descriptor. + * + * The CTRLA register provides us with the amount of data + * already read from the source for the current child + * descriptor. So we can compute a more accurate residue by also + * removing the number of bytes corresponding to this amount of + * data. + * + * However, the DSCR and CTRLA registers cannot be read both + * atomically. Hence a race condition may occur: the first read + * register may refer to one child descriptor whereas the second + * read may refer to a later child descriptor in the list + * because of the DMA transfer progression inbetween the two + * reads. + * + * One solution could have been to pause the DMA transfer, read + * the DSCR and CTRLA then resume the DMA transfer. Nonetheless, + * this approach presents some drawbacks: + * - If the DMA transfer is paused, RX overruns or TX underruns + * are more likey to occur depending on the system latency. + * Taking the USART driver as an example, it uses a cyclic DMA + * transfer to read data from the Receive Holding Register + * (RHR) to avoid RX overruns since the RHR is not protected + * by any FIFO on most Atmel SoCs. So pausing the DMA transfer + * to compute the residue would break the USART driver design. + * - The atc_pause() function masks interrupts but we'd rather + * avoid to do so for system latency purpose. + * + * Then we'd rather use another solution: the DSCR is read a + * first time, the CTRLA is read in turn, next the DSCR is read + * a second time. If the two consecutive read values of the DSCR + * are the same then we assume both refers to the very same + * child descriptor as well as the CTRLA value read inbetween + * does. For cyclic tranfers, the assumption is that a full loop + * is "not so fast". + * If the two DSCR values are different, we read again the CTRLA + * then the DSCR till two consecutive read values from DSCR are + * equal or till the maxium trials is reach. + * This algorithm is very unlikely not to find a stable value for + * DSCR. */ - ctrla = channel_readl(atchan, CTRLA); - rmb(); /* ensure CTRLA is read before DSCR */ dscr = channel_readl(atchan, DSCR); + rmb(); /* ensure DSCR is read before CTRLA */ + ctrla = channel_readl(atchan, CTRLA); + for (trials = 0; trials < ATC_MAX_DSCR_TRIALS; ++trials) { + u32 new_dscr; + + rmb(); /* ensure DSCR is read after CTRLA */ + new_dscr = channel_readl(atchan, DSCR); + + /* + * If the DSCR register value has not changed inside the + * DMA controller since the previous read, we assume + * that both the dscr and ctrla values refers to the + * very same descriptor. + */ + if (likely(new_dscr == dscr)) + break; + + /* + * DSCR has changed inside the DMA controller, so the + * previouly read value of CTRLA may refer to an already + * processed descriptor hence could be outdated. + * We need to update ctrla to match the current + * descriptor. + */ + dscr = new_dscr; + rmb(); /* ensure DSCR is read before CTRLA */ + ctrla = channel_readl(atchan, CTRLA); + } + if (unlikely(trials >= ATC_MAX_DSCR_TRIALS)) + return -ETIMEDOUT; /* for the first descriptor we can be more accurate */ if (desc_first->lli.dscr == dscr) - return atc_calc_bytes_left(ret, ctrla, desc_first); + return atc_calc_bytes_left(ret, ctrla); ret -= desc_first->len; list_for_each_entry(desc, &desc_first->tx_list, desc_node) { @@ -365,16 +425,14 @@ static int atc_get_bytes_left(struct dma_chan *chan, dma_cookie_t cookie) } /* - * For the last descriptor in the chain we can calculate + * For the current descriptor in the chain we can calculate * the remaining bytes using the channel's register. - * Note that the transfer width of the first and last - * descriptor may differ. */ - if (!desc->lli.dscr) - ret = atc_calc_bytes_left_from_reg(ret, atchan, desc); + ret = atc_calc_bytes_left(ret, ctrla); } else { /* single transfer */ - ret = atc_calc_bytes_left_from_reg(ret, atchan, desc_first); + ctrla = channel_readl(atchan, CTRLA); + ret = atc_calc_bytes_left(ret, ctrla); } return ret; @@ -726,7 +784,6 @@ atc_prep_dma_interleaved(struct dma_chan *chan, desc->txd.cookie = -EBUSY; desc->total_len = desc->len = len; - desc->tx_width = dwidth; /* set end-of-link to the last link descriptor of list*/ set_desc_eol(desc); @@ -804,10 +861,6 @@ atc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, first->txd.cookie = -EBUSY; first->total_len = len; - /* set transfer width for the calculation of the residue */ - first->tx_width = src_width; - prev->tx_width = src_width; - /* set end-of-link to the last link descriptor of list*/ set_desc_eol(desc); @@ -956,10 +1009,6 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, first->txd.cookie = -EBUSY; first->total_len = total_len; - /* set transfer width for the calculation of the residue */ - first->tx_width = reg_width; - prev->tx_width = reg_width; - /* first link descriptor of list is responsible of flags */ first->txd.flags = flags; /* client is in control of this ack */ @@ -1077,12 +1126,6 @@ atc_prep_dma_sg(struct dma_chan *chan, desc->txd.cookie = 0; desc->len = len; - /* - * Although we only need the transfer width for the first and - * the last descriptor, its easier to set it to all descriptors. - */ - desc->tx_width = src_width; - atc_desc_chain(&first, &prev, desc); /* update the lengths and addresses for the next loop cycle */ @@ -1256,7 +1299,6 @@ atc_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, /* First descriptor of the chain embedds additional information */ first->txd.cookie = -EBUSY; first->total_len = buf_len; - first->tx_width = reg_width; return &first->txd; diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h index bc8d5ebedd19..7f5a08230f76 100644 --- a/drivers/dma/at_hdmac_regs.h +++ b/drivers/dma/at_hdmac_regs.h @@ -112,6 +112,7 @@ #define ATC_SRC_WIDTH_BYTE (0x0 << 24) #define ATC_SRC_WIDTH_HALFWORD (0x1 << 24) #define ATC_SRC_WIDTH_WORD (0x2 << 24) +#define ATC_REG_TO_SRC_WIDTH(r) (((r) >> 24) & 0x3) #define ATC_DST_WIDTH_MASK (0x3 << 28) /* Destination Single Transfer Size */ #define ATC_DST_WIDTH(x) ((x) << 28) #define ATC_DST_WIDTH_BYTE (0x0 << 28) @@ -182,7 +183,6 @@ struct at_lli { * @txd: support for the async_tx api * @desc_node: node on the channed descriptors list * @len: descriptor byte count - * @tx_width: transfer width * @total_len: total transaction byte count */ struct at_desc { @@ -194,7 +194,6 @@ struct at_desc { struct dma_async_tx_descriptor txd; struct list_head desc_node; size_t len; - u32 tx_width; size_t total_len; /* Interleaved data */ diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index cf1213de7865..40afa2a16cfc 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -359,18 +359,19 @@ static void at_xdmac_start_xfer(struct at_xdmac_chan *atchan, * descriptor view 2 since some fields of the configuration register * depend on transfer size and src/dest addresses. */ - if (at_xdmac_chan_is_cyclic(atchan)) { + if (at_xdmac_chan_is_cyclic(atchan)) reg = AT_XDMAC_CNDC_NDVIEW_NDV1; - at_xdmac_chan_write(atchan, AT_XDMAC_CC, first->lld.mbr_cfg); - } else if (first->lld.mbr_ubc & AT_XDMAC_MBR_UBC_NDV3) { + else if (first->lld.mbr_ubc & AT_XDMAC_MBR_UBC_NDV3) reg = AT_XDMAC_CNDC_NDVIEW_NDV3; - } else { - /* - * No need to write AT_XDMAC_CC reg, it will be done when the - * descriptor is fecthed. - */ + else reg = AT_XDMAC_CNDC_NDVIEW_NDV2; - } + /* + * Even if the register will be updated from the configuration in the + * descriptor when using view 2 or higher, the PROT bit won't be set + * properly. This bit can be modified only by using the channel + * configuration register. + */ + at_xdmac_chan_write(atchan, AT_XDMAC_CC, first->lld.mbr_cfg); reg |= AT_XDMAC_CNDC_NDDUP | AT_XDMAC_CNDC_NDSUP @@ -681,15 +682,16 @@ at_xdmac_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, desc->lld.mbr_sa = mem; desc->lld.mbr_da = atchan->sconfig.dst_addr; } - desc->lld.mbr_cfg = atchan->cfg; - dwidth = at_xdmac_get_dwidth(desc->lld.mbr_cfg); + dwidth = at_xdmac_get_dwidth(atchan->cfg); fixed_dwidth = IS_ALIGNED(len, 1 << dwidth) - ? at_xdmac_get_dwidth(desc->lld.mbr_cfg) + ? dwidth : AT_XDMAC_CC_DWIDTH_BYTE; desc->lld.mbr_ubc = AT_XDMAC_MBR_UBC_NDV2 /* next descriptor view */ | AT_XDMAC_MBR_UBC_NDEN /* next descriptor dst parameter update */ | AT_XDMAC_MBR_UBC_NSEN /* next descriptor src parameter update */ | (len >> fixed_dwidth); /* microblock length */ + desc->lld.mbr_cfg = (atchan->cfg & ~AT_XDMAC_CC_DWIDTH_MASK) | + AT_XDMAC_CC_DWIDTH(fixed_dwidth); dev_dbg(chan2dev(chan), "%s: lld: mbr_sa=%pad, mbr_da=%pad, mbr_ubc=0x%08x\n", __func__, &desc->lld.mbr_sa, &desc->lld.mbr_da, desc->lld.mbr_ubc); diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 4a4cce15f25d..3ff284c8e3d5 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -689,6 +689,10 @@ struct dma_chan *dma_request_slave_channel(struct device *dev, struct dma_chan *ch = dma_request_slave_channel_reason(dev, name); if (IS_ERR(ch)) return NULL; + + dma_cap_set(DMA_PRIVATE, ch->device->cap_mask); + ch->device->privatecnt++; + return ch; } EXPORT_SYMBOL_GPL(dma_request_slave_channel); diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index 1022c2e1a2b0..cf1c87fa1edd 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -1746,4 +1746,4 @@ EXPORT_SYMBOL_GPL(dw_dma_enable); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller core driver"); MODULE_AUTHOR("Haavard Skinnemoen (Atmel)"); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c index fbaf1ead2597..f1325f62563e 100644 --- a/drivers/dma/mv_xor.c +++ b/drivers/dma/mv_xor.c @@ -162,10 +162,11 @@ static void mv_chan_set_mode(struct mv_xor_chan *chan, config &= ~0x7; config |= op_mode; - if (IS_ENABLED(__BIG_ENDIAN)) - config |= XOR_DESCRIPTOR_SWAP; - else - config &= ~XOR_DESCRIPTOR_SWAP; +#if defined(__BIG_ENDIAN) + config |= XOR_DESCRIPTOR_SWAP; +#else + config &= ~XOR_DESCRIPTOR_SWAP; +#endif writel_relaxed(config, XOR_CONFIG(chan)); chan->current_type = type; diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index f513f77b1d85..ecab4ea059b4 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2328,7 +2328,7 @@ static dma_cookie_t pl330_tx_submit(struct dma_async_tx_descriptor *tx) desc->txd.callback = last->txd.callback; desc->txd.callback_param = last->txd.callback_param; } - last->last = false; + desc->last = false; dma_cookie_assign(&desc->txd); @@ -2623,6 +2623,7 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, desc->rqcfg.brst_len = 1; desc->rqcfg.brst_len = get_burst_len(desc, len); + desc->bytes_requested = len; desc->txd.flags = flags; diff --git a/drivers/dma/virt-dma.c b/drivers/dma/virt-dma.c index 7d2c17d8d30f..6f80432a3f0a 100644 --- a/drivers/dma/virt-dma.c +++ b/drivers/dma/virt-dma.c @@ -29,7 +29,7 @@ dma_cookie_t vchan_tx_submit(struct dma_async_tx_descriptor *tx) spin_lock_irqsave(&vc->lock, flags); cookie = dma_cookie_assign(tx); - list_move_tail(&vd->node, &vc->desc_submitted); + list_add_tail(&vd->node, &vc->desc_submitted); spin_unlock_irqrestore(&vc->lock, flags); dev_dbg(vc->chan.device->dev, "vchan %p: txd %p[%x]: submitted\n", @@ -83,10 +83,8 @@ static void vchan_complete(unsigned long arg) cb_data = vd->tx.callback_param; list_del(&vd->node); - if (async_tx_test_ack(&vd->tx)) - list_add(&vd->node, &vc->desc_allocated); - else - vc->desc_free(vd); + + vc->desc_free(vd); if (cb) cb(cb_data); @@ -98,13 +96,9 @@ void vchan_dma_desc_free_list(struct virt_dma_chan *vc, struct list_head *head) while (!list_empty(head)) { struct virt_dma_desc *vd = list_first_entry(head, struct virt_dma_desc, node); - if (async_tx_test_ack(&vd->tx)) { - list_move_tail(&vd->node, &vc->desc_allocated); - } else { - dev_dbg(vc->chan.device->dev, "txd %p: freeing\n", vd); - list_del(&vd->node); - vc->desc_free(vd); - } + list_del(&vd->node); + dev_dbg(vc->chan.device->dev, "txd %p: freeing\n", vd); + vc->desc_free(vd); } } EXPORT_SYMBOL_GPL(vchan_dma_desc_free_list); @@ -114,7 +108,6 @@ void vchan_init(struct virt_dma_chan *vc, struct dma_device *dmadev) dma_cookie_init(&vc->chan); spin_lock_init(&vc->lock); - INIT_LIST_HEAD(&vc->desc_allocated); INIT_LIST_HEAD(&vc->desc_submitted); INIT_LIST_HEAD(&vc->desc_issued); INIT_LIST_HEAD(&vc->desc_completed); diff --git a/drivers/dma/virt-dma.h b/drivers/dma/virt-dma.h index 189e75dbcb15..181b95267866 100644 --- a/drivers/dma/virt-dma.h +++ b/drivers/dma/virt-dma.h @@ -29,7 +29,6 @@ struct virt_dma_chan { spinlock_t lock; /* protected by vc.lock */ - struct list_head desc_allocated; struct list_head desc_submitted; struct list_head desc_issued; struct list_head desc_completed; @@ -56,16 +55,11 @@ static inline struct dma_async_tx_descriptor *vchan_tx_prep(struct virt_dma_chan struct virt_dma_desc *vd, unsigned long tx_flags) { extern dma_cookie_t vchan_tx_submit(struct dma_async_tx_descriptor *); - unsigned long flags; dma_async_tx_descriptor_init(&vd->tx, &vc->chan); vd->tx.flags = tx_flags; vd->tx.tx_submit = vchan_tx_submit; - spin_lock_irqsave(&vc->lock, flags); - list_add_tail(&vd->node, &vc->desc_allocated); - spin_unlock_irqrestore(&vc->lock, flags); - return &vd->tx; } @@ -128,8 +122,7 @@ static inline struct virt_dma_desc *vchan_next_desc(struct virt_dma_chan *vc) } /** - * vchan_get_all_descriptors - obtain all allocated, submitted and issued - * descriptors + * vchan_get_all_descriptors - obtain all submitted and issued descriptors * vc: virtual channel to get descriptors from * head: list of descriptors found * @@ -141,7 +134,6 @@ static inline struct virt_dma_desc *vchan_next_desc(struct virt_dma_chan *vc) static inline void vchan_get_all_descriptors(struct virt_dma_chan *vc, struct list_head *head) { - list_splice_tail_init(&vc->desc_allocated, head); list_splice_tail_init(&vc->desc_submitted, head); list_splice_tail_init(&vc->desc_issued, head); list_splice_tail_init(&vc->desc_completed, head); @@ -149,14 +141,11 @@ static inline void vchan_get_all_descriptors(struct virt_dma_chan *vc, static inline void vchan_free_chan_resources(struct virt_dma_chan *vc) { - struct virt_dma_desc *vd; unsigned long flags; LIST_HEAD(head); spin_lock_irqsave(&vc->lock, flags); vchan_get_all_descriptors(vc, &head); - list_for_each_entry(vd, &head, node) - async_tx_clear_ack(&vd->tx); spin_unlock_irqrestore(&vc->lock, flags); vchan_dma_desc_free_list(vc, &head); diff --git a/drivers/dma/xgene-dma.c b/drivers/dma/xgene-dma.c index 620fd55ec766..dff22ab01851 100644 --- a/drivers/dma/xgene-dma.c +++ b/drivers/dma/xgene-dma.c @@ -111,6 +111,7 @@ #define XGENE_DMA_MEM_RAM_SHUTDOWN 0xD070 #define XGENE_DMA_BLK_MEM_RDY 0xD074 #define XGENE_DMA_BLK_MEM_RDY_VAL 0xFFFFFFFF +#define XGENE_DMA_RING_CMD_SM_OFFSET 0x8000 /* X-Gene SoC EFUSE csr register and bit defination */ #define XGENE_SOC_JTAG1_SHADOW 0x18 @@ -1887,6 +1888,8 @@ static int xgene_dma_get_resources(struct platform_device *pdev, return -ENOMEM; } + pdma->csr_ring_cmd += XGENE_DMA_RING_CMD_SM_OFFSET; + /* Get efuse csr region */ res = platform_get_resource(pdev, IORESOURCE_MEM, 3); if (!res) { diff --git a/drivers/edac/ppc4xx_edac.c b/drivers/edac/ppc4xx_edac.c index 3515b381c131..711d8ad74f11 100644 --- a/drivers/edac/ppc4xx_edac.c +++ b/drivers/edac/ppc4xx_edac.c @@ -920,7 +920,7 @@ static int ppc4xx_edac_init_csrows(struct mem_ctl_info *mci, u32 mcopt1) */ for (row = 0; row < mci->nr_csrows; row++) { - struct csrow_info *csi = &mci->csrows[row]; + struct csrow_info *csi = mci->csrows[row]; /* * Get the configuration settings for this diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c index 080d5cc27055..eebdf2a33bfe 100644 --- a/drivers/extcon/extcon-palmas.c +++ b/drivers/extcon/extcon-palmas.c @@ -200,7 +200,6 @@ static int palmas_usb_probe(struct platform_device *pdev) status = devm_extcon_dev_register(&pdev->dev, palmas_usb->edev); if (status) { dev_err(&pdev->dev, "failed to register extcon device\n"); - kfree(palmas_usb->edev->name); return status; } @@ -214,7 +213,6 @@ static int palmas_usb_probe(struct platform_device *pdev) if (status < 0) { dev_err(&pdev->dev, "can't get IRQ %d, err %d\n", palmas_usb->id_irq, status); - kfree(palmas_usb->edev->name); return status; } } @@ -229,7 +227,6 @@ static int palmas_usb_probe(struct platform_device *pdev) if (status < 0) { dev_err(&pdev->dev, "can't get IRQ %d, err %d\n", palmas_usb->vbus_irq, status); - kfree(palmas_usb->edev->name); return status; } } @@ -239,15 +236,6 @@ static int palmas_usb_probe(struct platform_device *pdev) return 0; } -static int palmas_usb_remove(struct platform_device *pdev) -{ - struct palmas_usb *palmas_usb = platform_get_drvdata(pdev); - - kfree(palmas_usb->edev->name); - - return 0; -} - #ifdef CONFIG_PM_SLEEP static int palmas_usb_suspend(struct device *dev) { @@ -288,7 +276,6 @@ static const struct of_device_id of_palmas_match_tbl[] = { static struct platform_driver palmas_usb_driver = { .probe = palmas_usb_probe, - .remove = palmas_usb_remove, .driver = { .name = "palmas-usb", .of_match_table = of_palmas_match_tbl, diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c index 76157ab9faf3..43b57b02d050 100644 --- a/drivers/extcon/extcon.c +++ b/drivers/extcon/extcon.c @@ -124,25 +124,35 @@ static int find_cable_index_by_id(struct extcon_dev *edev, const unsigned int id return -EINVAL; } -static int find_cable_index_by_name(struct extcon_dev *edev, const char *name) +static int find_cable_id_by_name(struct extcon_dev *edev, const char *name) { - unsigned int id = EXTCON_NONE; + unsigned int id = -EINVAL; int i = 0; - if (edev->max_supported == 0) - return -EINVAL; - - /* Find the the number of extcon cable */ + /* Find the id of extcon cable */ while (extcon_name[i]) { if (!strncmp(extcon_name[i], name, CABLE_NAME_MAX)) { id = i; break; } + i++; } - if (id == EXTCON_NONE) + return id; +} + +static int find_cable_index_by_name(struct extcon_dev *edev, const char *name) +{ + unsigned int id; + + if (edev->max_supported == 0) return -EINVAL; + /* Find the the number of extcon cable */ + id = find_cable_id_by_name(edev, name); + if (id < 0) + return id; + return find_cable_index_by_id(edev, id); } @@ -228,9 +238,11 @@ static ssize_t cable_state_show(struct device *dev, struct extcon_cable *cable = container_of(attr, struct extcon_cable, attr_state); + int i = cable->cable_index; + return sprintf(buf, "%d\n", extcon_get_cable_state_(cable->edev, - cable->cable_index)); + cable->edev->supported_cable[i])); } /** @@ -263,20 +275,25 @@ int extcon_update_state(struct extcon_dev *edev, u32 mask, u32 state) spin_lock_irqsave(&edev->lock, flags); if (edev->state != ((edev->state & ~mask) | (state & mask))) { + u32 old_state; + if (check_mutually_exclusive(edev, (edev->state & ~mask) | (state & mask))) { spin_unlock_irqrestore(&edev->lock, flags); return -EPERM; } - for (index = 0; index < edev->max_supported; index++) { - if (is_extcon_changed(edev->state, state, index, &attached)) - raw_notifier_call_chain(&edev->nh[index], attached, edev); - } - + old_state = edev->state; edev->state &= ~mask; edev->state |= state & mask; + for (index = 0; index < edev->max_supported; index++) { + if (is_extcon_changed(old_state, edev->state, index, + &attached)) + raw_notifier_call_chain(&edev->nh[index], + attached, edev); + } + /* This could be in interrupt handler */ prop_buf = (char *)get_zeroed_page(GFP_ATOMIC); if (prop_buf) { @@ -361,8 +378,13 @@ EXPORT_SYMBOL_GPL(extcon_get_cable_state_); */ int extcon_get_cable_state(struct extcon_dev *edev, const char *cable_name) { - return extcon_get_cable_state_(edev, find_cable_index_by_name - (edev, cable_name)); + unsigned int id; + + id = find_cable_id_by_name(edev, cable_name); + if (id < 0) + return id; + + return extcon_get_cable_state_(edev, id); } EXPORT_SYMBOL_GPL(extcon_get_cable_state); @@ -404,8 +426,13 @@ EXPORT_SYMBOL_GPL(extcon_set_cable_state_); int extcon_set_cable_state(struct extcon_dev *edev, const char *cable_name, bool cable_state) { - return extcon_set_cable_state_(edev, find_cable_index_by_name - (edev, cable_name), cable_state); + unsigned int id; + + id = find_cable_id_by_name(edev, cable_name); + if (id < 0) + return id; + + return extcon_set_cable_state_(edev, id, cable_state); } EXPORT_SYMBOL_GPL(extcon_set_cable_state); diff --git a/drivers/firmware/broadcom/bcm47xx_nvram.c b/drivers/firmware/broadcom/bcm47xx_nvram.c index 87add3fdce52..e41594510b97 100644 --- a/drivers/firmware/broadcom/bcm47xx_nvram.c +++ b/drivers/firmware/broadcom/bcm47xx_nvram.c @@ -245,4 +245,4 @@ char *bcm47xx_nvram_get_contents(size_t *nvram_size) } EXPORT_SYMBOL(bcm47xx_nvram_get_contents); -MODULE_LICENSE("GPLv2"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c index 4fd9961d552e..d42537425438 100644 --- a/drivers/firmware/efi/cper.c +++ b/drivers/firmware/efi/cper.c @@ -305,10 +305,17 @@ const char *cper_mem_err_unpack(struct trace_seq *p, return ret; } -static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem) +static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem, + int len) { struct cper_mem_err_compact cmem; + /* Don't trust UEFI 2.1/2.2 structure with bad validation bits */ + if (len == sizeof(struct cper_sec_mem_err_old) && + (mem->validation_bits & ~(CPER_MEM_VALID_RANK_NUMBER - 1))) { + pr_err(FW_WARN "valid bits set for fields beyond structure\n"); + return; + } if (mem->validation_bits & CPER_MEM_VALID_ERROR_STATUS) printk("%s""error_status: 0x%016llx\n", pfx, mem->error_status); if (mem->validation_bits & CPER_MEM_VALID_PA) @@ -405,8 +412,10 @@ static void cper_estatus_print_section( } else if (!uuid_le_cmp(*sec_type, CPER_SEC_PLATFORM_MEM)) { struct cper_sec_mem_err *mem_err = (void *)(gdata + 1); printk("%s""section_type: memory error\n", newpfx); - if (gdata->error_data_length >= sizeof(*mem_err)) - cper_print_mem(newpfx, mem_err); + if (gdata->error_data_length >= + sizeof(struct cper_sec_mem_err_old)) + cper_print_mem(newpfx, mem_err, + gdata->error_data_length); else goto err_section_too_small; } else if (!uuid_le_cmp(*sec_type, CPER_SEC_PCIE)) { diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 9fa8084a7c8d..d6144e3b97c5 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -58,6 +58,11 @@ bool efi_runtime_disabled(void) static int __init parse_efi_cmdline(char *str) { + if (!str) { + pr_warn("need at least one option\n"); + return -EINVAL; + } + if (parse_option_str(str, "noruntime")) disable_runtime = true; diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c index 7a3cb1fa0a76..4630a8133ea6 100644 --- a/drivers/gpio/gpio-brcmstb.c +++ b/drivers/gpio/gpio-brcmstb.c @@ -87,6 +87,15 @@ static int brcmstb_gpio_remove(struct platform_device *pdev) struct brcmstb_gpio_bank *bank; int ret = 0; + if (!priv) { + dev_err(&pdev->dev, "called %s without drvdata!\n", __func__); + return -EFAULT; + } + + /* + * You can lose return values below, but we report all errors, and it's + * more important to actually perform all of the steps. + */ list_for_each(pos, &priv->bank_list) { bank = list_entry(pos, struct brcmstb_gpio_bank, node); ret = bgpio_remove(&bank->bgc); @@ -143,6 +152,8 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; + platform_set_drvdata(pdev, priv); + INIT_LIST_HEAD(&priv->bank_list); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); reg_base = devm_ioremap_resource(dev, res); @@ -153,7 +164,6 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) priv->reg_base = reg_base; priv->pdev = pdev; - INIT_LIST_HEAD(&priv->bank_list); if (brcmstb_gpio_sanity_check_banks(dev, np, res)) return -EINVAL; @@ -221,8 +231,6 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) dev_info(dev, "Registered %d banks (GPIO(s): %d-%d)\n", priv->num_banks, priv->gpio_base, gpio_base - 1); - platform_set_drvdata(pdev, priv); - return 0; fail: diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index c5e05c82d67c..c246ac3dda7c 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -578,15 +578,13 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev) writel_relaxed(~0, &g->clr_falling); writel_relaxed(~0, &g->clr_rising); - /* set up all irqs in this bank */ - irq_set_chained_handler(bank_irq, gpio_irq_handler); - /* * Each chip handles 32 gpios, and each irq bank consists of 16 * gpio irqs. Pass the irq bank's corresponding controller to * the chained irq handler. */ - irq_set_handler_data(bank_irq, &chips[gpio / 32]); + irq_set_chained_handler_and_data(bank_irq, gpio_irq_handler, + &chips[gpio / 32]); binten |= BIT(bank); } diff --git a/drivers/gpio/gpio-max732x.c b/drivers/gpio/gpio-max732x.c index aed4ca9338bc..7d3c90e9da71 100644 --- a/drivers/gpio/gpio-max732x.c +++ b/drivers/gpio/gpio-max732x.c @@ -603,6 +603,7 @@ static int max732x_setup_gpio(struct max732x_chip *chip, gc->base = gpio_start; gc->ngpio = port; gc->label = chip->client->name; + gc->dev = &chip->client->dev; gc->owner = THIS_MODULE; return port; diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index b0c57d505be7..61a731ff9a07 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -500,8 +500,10 @@ static int omap_gpio_irq_type(struct irq_data *d, unsigned type) spin_lock_irqsave(&bank->lock, flags); retval = omap_set_gpio_triggering(bank, offset, type); - if (retval) + if (retval) { + spin_unlock_irqrestore(&bank->lock, flags); goto error; + } omap_gpio_init_irq(bank, offset); if (!omap_gpio_is_input(bank, offset)) { spin_unlock_irqrestore(&bank->lock, flags); @@ -1185,6 +1187,7 @@ static int omap_gpio_probe(struct platform_device *pdev) bank->irq = res->start; bank->dev = dev; bank->chip.dev = dev; + bank->chip.owner = THIS_MODULE; bank->dbck_flag = pdata->dbck_flag; bank->stride = pdata->bank_stride; bank->width = pdata->bank_width; diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index d233eb3b8132..50caeb1ee350 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -570,6 +570,10 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, "could not connect irqchip to gpiochip\n"); return ret; } + + gpiochip_set_chained_irqchip(&chip->gpio_chip, + &pca953x_irq_chip, + client->irq, NULL); } return 0; diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c index 77fe5d3cb105..d5284dfe01fe 100644 --- a/drivers/gpio/gpio-xilinx.c +++ b/drivers/gpio/gpio-xilinx.c @@ -220,9 +220,9 @@ static void xgpio_save_regs(struct of_mm_gpio_chip *mm_gc) if (!chip->gpio_width[1]) return; - xgpio_writereg(mm_gc->regs + XGPIO_DATA_OFFSET + XGPIO_TRI_OFFSET, + xgpio_writereg(mm_gc->regs + XGPIO_DATA_OFFSET + XGPIO_CHANNEL_OFFSET, chip->gpio_state[1]); - xgpio_writereg(mm_gc->regs + XGPIO_TRI_OFFSET + XGPIO_TRI_OFFSET, + xgpio_writereg(mm_gc->regs + XGPIO_TRI_OFFSET + XGPIO_CHANNEL_OFFSET, chip->gpio_dir[1]); } diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 2e87c4b8da26..a78882389836 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -757,6 +757,7 @@ static int zynq_gpio_remove(struct platform_device *pdev) gpiochip_remove(&gpio->chip); clk_disable_unprepare(gpio->clk); device_set_wakeup_capable(&pdev->dev, 0); + pm_runtime_disable(&pdev->dev); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 01657830b470..f7b49d5ce4b8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1130,6 +1130,9 @@ struct amdgpu_gfx { uint32_t me_feature_version; uint32_t ce_feature_version; uint32_t pfp_feature_version; + uint32_t rlc_feature_version; + uint32_t mec_feature_version; + uint32_t mec2_feature_version; struct amdgpu_ring gfx_ring[AMDGPU_MAX_GFX_RINGS]; unsigned num_gfx_rings; struct amdgpu_ring compute_ring[AMDGPU_MAX_COMPUTE_RINGS]; @@ -1614,6 +1617,9 @@ struct amdgpu_uvd { #define AMDGPU_MAX_VCE_HANDLES 16 #define AMDGPU_VCE_FIRMWARE_OFFSET 256 +#define AMDGPU_VCE_HARVEST_VCE0 (1 << 0) +#define AMDGPU_VCE_HARVEST_VCE1 (1 << 1) + struct amdgpu_vce { struct amdgpu_bo *vcpu_bo; uint64_t gpu_addr; @@ -1626,6 +1632,7 @@ struct amdgpu_vce { const struct firmware *fw; /* VCE firmware */ struct amdgpu_ring ring[AMDGPU_MAX_VCE_RINGS]; struct amdgpu_irq_src irq; + unsigned harvest_config; }; /* @@ -1635,6 +1642,7 @@ struct amdgpu_sdma { /* SDMA firmware */ const struct firmware *fw; uint32_t fw_version; + uint32_t feature_version; struct amdgpu_ring ring; }; @@ -1862,6 +1870,12 @@ typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t); typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t); typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t); +struct amdgpu_ip_block_status { + bool valid; + bool sw; + bool hw; +}; + struct amdgpu_device { struct device *dev; struct drm_device *ddev; @@ -2004,7 +2018,7 @@ struct amdgpu_device { const struct amdgpu_ip_block_version *ip_blocks; int num_ip_blocks; - bool *ip_block_enabled; + struct amdgpu_ip_block_status *ip_block_status; struct mutex mn_lock; DECLARE_HASHTABLE(mn_hash, 7); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index d63135bf29c0..1f040d85ac47 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -669,6 +669,7 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev, static int amdgpu_cs_dependencies(struct amdgpu_device *adev, struct amdgpu_cs_parser *p) { + struct amdgpu_fpriv *fpriv = p->filp->driver_priv; struct amdgpu_ib *ib; int i, j, r; @@ -694,6 +695,7 @@ static int amdgpu_cs_dependencies(struct amdgpu_device *adev, for (j = 0; j < num_deps; ++j) { struct amdgpu_fence *fence; struct amdgpu_ring *ring; + struct amdgpu_ctx *ctx; r = amdgpu_cs_get_ring(adev, deps[j].ip_type, deps[j].ip_instance, @@ -701,14 +703,21 @@ static int amdgpu_cs_dependencies(struct amdgpu_device *adev, if (r) return r; + ctx = amdgpu_ctx_get(fpriv, deps[j].ctx_id); + if (ctx == NULL) + return -EINVAL; + r = amdgpu_fence_recreate(ring, p->filp, deps[j].handle, &fence); - if (r) + if (r) { + amdgpu_ctx_put(ctx); return r; + } amdgpu_sync_fence(&ib->sync, fence); amdgpu_fence_unref(&fence); + amdgpu_ctx_put(ctx); } } @@ -808,12 +817,16 @@ int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, r = amdgpu_cs_get_ring(adev, wait->in.ip_type, wait->in.ip_instance, wait->in.ring, &ring); - if (r) + if (r) { + amdgpu_ctx_put(ctx); return r; + } r = amdgpu_fence_recreate(ring, filp, wait->in.handle, &fence); - if (r) + if (r) { + amdgpu_ctx_put(ctx); return r; + } r = fence_wait_timeout(&fence->base, true, timeout); amdgpu_fence_unref(&fence); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index ba46be361c9b..99f158e1baff 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1191,8 +1191,9 @@ static int amdgpu_early_init(struct amdgpu_device *adev) return -EINVAL; } - adev->ip_block_enabled = kcalloc(adev->num_ip_blocks, sizeof(bool), GFP_KERNEL); - if (adev->ip_block_enabled == NULL) + adev->ip_block_status = kcalloc(adev->num_ip_blocks, + sizeof(struct amdgpu_ip_block_status), GFP_KERNEL); + if (adev->ip_block_status == NULL) return -ENOMEM; if (adev->ip_blocks == NULL) { @@ -1203,14 +1204,19 @@ static int amdgpu_early_init(struct amdgpu_device *adev) for (i = 0; i < adev->num_ip_blocks; i++) { if ((amdgpu_ip_block_mask & (1 << i)) == 0) { DRM_ERROR("disabled ip block: %d\n", i); - adev->ip_block_enabled[i] = false; + adev->ip_block_status[i].valid = false; } else { if (adev->ip_blocks[i].funcs->early_init) { r = adev->ip_blocks[i].funcs->early_init((void *)adev); - if (r) + if (r == -ENOENT) + adev->ip_block_status[i].valid = false; + else if (r) return r; + else + adev->ip_block_status[i].valid = true; + } else { + adev->ip_block_status[i].valid = true; } - adev->ip_block_enabled[i] = true; } } @@ -1222,11 +1228,12 @@ static int amdgpu_init(struct amdgpu_device *adev) int i, r; for (i = 0; i < adev->num_ip_blocks; i++) { - if (!adev->ip_block_enabled[i]) + if (!adev->ip_block_status[i].valid) continue; r = adev->ip_blocks[i].funcs->sw_init((void *)adev); if (r) return r; + adev->ip_block_status[i].sw = true; /* need to do gmc hw init early so we can allocate gpu mem */ if (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_GMC) { r = amdgpu_vram_scratch_init(adev); @@ -1238,11 +1245,12 @@ static int amdgpu_init(struct amdgpu_device *adev) r = amdgpu_wb_init(adev); if (r) return r; + adev->ip_block_status[i].hw = true; } } for (i = 0; i < adev->num_ip_blocks; i++) { - if (!adev->ip_block_enabled[i]) + if (!adev->ip_block_status[i].sw) continue; /* gmc hw init is done early */ if (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_GMC) @@ -1250,6 +1258,7 @@ static int amdgpu_init(struct amdgpu_device *adev) r = adev->ip_blocks[i].funcs->hw_init((void *)adev); if (r) return r; + adev->ip_block_status[i].hw = true; } return 0; @@ -1260,7 +1269,7 @@ static int amdgpu_late_init(struct amdgpu_device *adev) int i = 0, r; for (i = 0; i < adev->num_ip_blocks; i++) { - if (!adev->ip_block_enabled[i]) + if (!adev->ip_block_status[i].valid) continue; /* enable clockgating to save power */ r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev, @@ -1282,7 +1291,7 @@ static int amdgpu_fini(struct amdgpu_device *adev) int i, r; for (i = adev->num_ip_blocks - 1; i >= 0; i--) { - if (!adev->ip_block_enabled[i]) + if (!adev->ip_block_status[i].hw) continue; if (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_GMC) { amdgpu_wb_fini(adev); @@ -1295,14 +1304,16 @@ static int amdgpu_fini(struct amdgpu_device *adev) return r; r = adev->ip_blocks[i].funcs->hw_fini((void *)adev); /* XXX handle errors */ + adev->ip_block_status[i].hw = false; } for (i = adev->num_ip_blocks - 1; i >= 0; i--) { - if (!adev->ip_block_enabled[i]) + if (!adev->ip_block_status[i].sw) continue; r = adev->ip_blocks[i].funcs->sw_fini((void *)adev); /* XXX handle errors */ - adev->ip_block_enabled[i] = false; + adev->ip_block_status[i].sw = false; + adev->ip_block_status[i].valid = false; } return 0; @@ -1313,7 +1324,7 @@ static int amdgpu_suspend(struct amdgpu_device *adev) int i, r; for (i = adev->num_ip_blocks - 1; i >= 0; i--) { - if (!adev->ip_block_enabled[i]) + if (!adev->ip_block_status[i].valid) continue; /* ungate blocks so that suspend can properly shut them down */ r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev, @@ -1331,7 +1342,7 @@ static int amdgpu_resume(struct amdgpu_device *adev) int i, r; for (i = 0; i < adev->num_ip_blocks; i++) { - if (!adev->ip_block_enabled[i]) + if (!adev->ip_block_status[i].valid) continue; r = adev->ip_blocks[i].funcs->resume(adev); if (r) @@ -1577,8 +1588,8 @@ void amdgpu_device_fini(struct amdgpu_device *adev) amdgpu_fence_driver_fini(adev); amdgpu_fbdev_fini(adev); r = amdgpu_fini(adev); - kfree(adev->ip_block_enabled); - adev->ip_block_enabled = NULL; + kfree(adev->ip_block_status); + adev->ip_block_status = NULL; adev->accel_working = false; /* free i2c buses */ amdgpu_i2c_fini(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 975edb1000a2..4afc507820c0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -352,7 +352,7 @@ unsigned long amdgpu_gem_timeout(uint64_t timeout_ns) if (((int64_t)timeout_ns) < 0) return MAX_SCHEDULE_TIMEOUT; - timeout = ktime_sub_ns(ktime_get(), timeout_ns); + timeout = ktime_sub(ns_to_ktime(timeout_ns), ktime_get()); if (ktime_to_ns(timeout) < 0) return 0; @@ -449,7 +449,7 @@ out: * vital here, so they are not reported back to userspace. */ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev, - struct amdgpu_bo_va *bo_va) + struct amdgpu_bo_va *bo_va, uint32_t operation) { struct ttm_validate_buffer tv, *entry; struct amdgpu_bo_list_entry *vm_bos; @@ -485,7 +485,9 @@ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev, if (r) goto error_unlock; - r = amdgpu_vm_bo_update(adev, bo_va, &bo_va->bo->tbo.mem); + + if (operation == AMDGPU_VA_OP_MAP) + r = amdgpu_vm_bo_update(adev, bo_va, &bo_va->bo->tbo.mem); error_unlock: mutex_unlock(&bo_va->vm->mutex); @@ -580,7 +582,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, } if (!r && !(args->flags & AMDGPU_VM_DELAY_UPDATE)) - amdgpu_gem_va_update_vm(adev, bo_va); + amdgpu_gem_va_update_vm(adev, bo_va, args->operation); drm_gem_object_unreference_unlocked(gobj); return r; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 52dff75aac6f..bc0fac618a3f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -180,16 +180,16 @@ int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs, if (vm) { /* do context switch */ amdgpu_vm_flush(ring, vm, ib->sync.last_vm_update); - } - if (vm && ring->funcs->emit_gds_switch) - amdgpu_ring_emit_gds_switch(ring, ib->vm->ids[ring->idx].id, - ib->gds_base, ib->gds_size, - ib->gws_base, ib->gws_size, - ib->oa_base, ib->oa_size); + if (ring->funcs->emit_gds_switch) + amdgpu_ring_emit_gds_switch(ring, ib->vm->ids[ring->idx].id, + ib->gds_base, ib->gds_size, + ib->gws_base, ib->gws_size, + ib->oa_base, ib->oa_size); - if (ring->funcs->emit_hdp_flush) - amdgpu_ring_emit_hdp_flush(ring); + if (ring->funcs->emit_hdp_flush) + amdgpu_ring_emit_hdp_flush(ring); + } old_ctx = ring->current_ctx; for (i = 0; i < num_ibs; ++i) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 5533434c7a8f..3bfe67de8349 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -235,7 +235,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file for (i = 0; i < adev->num_ip_blocks; i++) { if (adev->ip_blocks[i].type == type && - adev->ip_block_enabled[i]) { + adev->ip_block_status[i].valid) { ip.hw_ip_version_major = adev->ip_blocks[i].major; ip.hw_ip_version_minor = adev->ip_blocks[i].minor; ip.capabilities_flags = 0; @@ -274,7 +274,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file for (i = 0; i < adev->num_ip_blocks; i++) if (adev->ip_blocks[i].type == type && - adev->ip_block_enabled[i] && + adev->ip_block_status[i].valid && count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT) count++; @@ -317,16 +317,17 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file break; case AMDGPU_INFO_FW_GFX_RLC: fw_info.ver = adev->gfx.rlc_fw_version; - fw_info.feature = 0; + fw_info.feature = adev->gfx.rlc_feature_version; break; case AMDGPU_INFO_FW_GFX_MEC: - if (info->query_fw.index == 0) + if (info->query_fw.index == 0) { fw_info.ver = adev->gfx.mec_fw_version; - else if (info->query_fw.index == 1) + fw_info.feature = adev->gfx.mec_feature_version; + } else if (info->query_fw.index == 1) { fw_info.ver = adev->gfx.mec2_fw_version; - else + fw_info.feature = adev->gfx.mec2_feature_version; + } else return -EINVAL; - fw_info.feature = 0; break; case AMDGPU_INFO_FW_SMC: fw_info.ver = adev->pm.fw_version; @@ -336,7 +337,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file if (info->query_fw.index >= 2) return -EINVAL; fw_info.ver = adev->sdma[info->query_fw.index].fw_version; - fw_info.feature = 0; + fw_info.feature = adev->sdma[info->query_fw.index].feature_version; break; default: return -EINVAL; @@ -416,7 +417,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file return n ? -EFAULT : 0; } case AMDGPU_INFO_DEV_INFO: { - struct drm_amdgpu_info_device dev_info; + struct drm_amdgpu_info_device dev_info = {}; struct amdgpu_cu_info cu_info; dev_info.device_id = dev->pdev->device; @@ -459,6 +460,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file memcpy(&dev_info.cu_bitmap[0], &cu_info.bitmap[0], sizeof(cu_info.bitmap)); dev_info.vram_type = adev->mc.vram_type; dev_info.vram_bit_width = adev->mc.vram_width; + dev_info.vce_harvest_config = adev->vce.harvest_config; return copy_to_user(out, &dev_info, min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index 2f7a5efa21c2..f5c22556ec2c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -374,7 +374,7 @@ static int amdgpu_uvd_cs_msg_decode(uint32_t *msg, unsigned buf_sizes[]) unsigned height_in_mb = ALIGN(height / 16, 2); unsigned fs_in_mb = width_in_mb * height_in_mb; - unsigned image_size, tmp, min_dpb_size, num_dpb_buffer; + unsigned image_size, tmp, min_dpb_size, num_dpb_buffer, min_ctx_size; image_size = width * height; image_size += image_size / 2; @@ -466,6 +466,8 @@ static int amdgpu_uvd_cs_msg_decode(uint32_t *msg, unsigned buf_sizes[]) num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2; min_dpb_size = image_size * num_dpb_buffer; + min_ctx_size = ((width + 255) / 16) * ((height + 255) / 16) + * 16 * num_dpb_buffer + 52 * 1024; break; default: @@ -486,6 +488,7 @@ static int amdgpu_uvd_cs_msg_decode(uint32_t *msg, unsigned buf_sizes[]) buf_sizes[0x1] = dpb_size; buf_sizes[0x2] = image_size; + buf_sizes[0x4] = min_ctx_size; return 0; } @@ -628,6 +631,13 @@ static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx) return -EINVAL; } + } else if (cmd == 0x206) { + if ((end - start) < ctx->buf_sizes[4]) { + DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd, + (unsigned)(end - start), + ctx->buf_sizes[4]); + return -EINVAL; + } } else if ((cmd != 0x100) && (cmd != 0x204)) { DRM_ERROR("invalid UVD command %X!\n", cmd); return -EINVAL; @@ -755,9 +765,10 @@ int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx) struct amdgpu_uvd_cs_ctx ctx = {}; unsigned buf_sizes[] = { [0x00000000] = 2048, - [0x00000001] = 32 * 1024 * 1024, - [0x00000002] = 2048 * 1152 * 3, + [0x00000001] = 0xFFFFFFFF, + [0x00000002] = 0xFFFFFFFF, [0x00000003] = 2048, + [0x00000004] = 0xFFFFFFFF, }; struct amdgpu_ib *ib = &parser->ibs[ib_idx]; int r; diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c index ab83cc1ca4cc..15df46c93f0a 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c @@ -500,6 +500,7 @@ static int cik_sdma_load_microcode(struct amdgpu_device *adev) amdgpu_ucode_print_sdma_hdr(&hdr->header); fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; adev->sdma[i].fw_version = le32_to_cpu(hdr->header.ucode_version); + adev->sdma[i].feature_version = le32_to_cpu(hdr->ucode_feature_version); fw_data = (const __le32 *) (adev->sdma[i].fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], 0); diff --git a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c index f75a31df30bd..ace870afc7d4 100644 --- a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c @@ -494,29 +494,67 @@ static void cz_dpm_fini(struct amdgpu_device *adev) amdgpu_free_extended_power_table(adev); } +#define ixSMUSVI_NB_CURRENTVID 0xD8230044 +#define CURRENT_NB_VID_MASK 0xff000000 +#define CURRENT_NB_VID__SHIFT 24 +#define ixSMUSVI_GFX_CURRENTVID 0xD8230048 +#define CURRENT_GFX_VID_MASK 0xff000000 +#define CURRENT_GFX_VID__SHIFT 24 + static void cz_dpm_debugfs_print_current_performance_level(struct amdgpu_device *adev, struct seq_file *m) { + struct cz_power_info *pi = cz_get_pi(adev); struct amdgpu_clock_voltage_dependency_table *table = &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk; - u32 current_index = - (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) & - TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >> - TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT; - u32 sclk, tmp; - u16 vddc; - - if (current_index >= NUM_SCLK_LEVELS) { - seq_printf(m, "invalid dpm profile %d\n", current_index); + struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table = + &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table; + struct amdgpu_vce_clock_voltage_dependency_table *vce_table = + &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table; + u32 sclk_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX), + TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX); + u32 uvd_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX_2), + TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_UVD_INDEX); + u32 vce_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX_2), + TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_VCE_INDEX); + u32 sclk, vclk, dclk, ecclk, tmp; + u16 vddnb, vddgfx; + + if (sclk_index >= NUM_SCLK_LEVELS) { + seq_printf(m, "invalid sclk dpm profile %d\n", sclk_index); } else { - sclk = table->entries[current_index].clk; - tmp = (RREG32_SMC(ixSMU_VOLTAGE_STATUS) & - SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL_MASK) >> - SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL__SHIFT; - vddc = cz_convert_8bit_index_to_voltage(adev, (u16)tmp); - seq_printf(m, "power level %d sclk: %u vddc: %u\n", - current_index, sclk, vddc); + sclk = table->entries[sclk_index].clk; + seq_printf(m, "%u sclk: %u\n", sclk_index, sclk); + } + + tmp = (RREG32_SMC(ixSMUSVI_NB_CURRENTVID) & + CURRENT_NB_VID_MASK) >> CURRENT_NB_VID__SHIFT; + vddnb = cz_convert_8bit_index_to_voltage(adev, (u16)tmp); + tmp = (RREG32_SMC(ixSMUSVI_GFX_CURRENTVID) & + CURRENT_GFX_VID_MASK) >> CURRENT_GFX_VID__SHIFT; + vddgfx = cz_convert_8bit_index_to_voltage(adev, (u16)tmp); + seq_printf(m, "vddnb: %u vddgfx: %u\n", vddnb, vddgfx); + + seq_printf(m, "uvd %sabled\n", pi->uvd_power_gated ? "dis" : "en"); + if (!pi->uvd_power_gated) { + if (uvd_index >= CZ_MAX_HARDWARE_POWERLEVELS) { + seq_printf(m, "invalid uvd dpm level %d\n", uvd_index); + } else { + vclk = uvd_table->entries[uvd_index].vclk; + dclk = uvd_table->entries[uvd_index].dclk; + seq_printf(m, "%u uvd vclk: %u dclk: %u\n", uvd_index, vclk, dclk); + } + } + + seq_printf(m, "vce %sabled\n", pi->vce_power_gated ? "dis" : "en"); + if (!pi->vce_power_gated) { + if (vce_index >= CZ_MAX_HARDWARE_POWERLEVELS) { + seq_printf(m, "invalid vce dpm level %d\n", vce_index); + } else { + ecclk = vce_table->entries[vce_index].ecclk; + seq_printf(m, "%u vce ecclk: %u\n", vce_index, ecclk); + } } } @@ -1679,25 +1717,31 @@ static int cz_dpm_unforce_dpm_levels(struct amdgpu_device *adev) if (ret) return ret; - DRM_INFO("DPM unforce state min=%d, max=%d.\n", - pi->sclk_dpm.soft_min_clk, - pi->sclk_dpm.soft_max_clk); + DRM_DEBUG("DPM unforce state min=%d, max=%d.\n", + pi->sclk_dpm.soft_min_clk, + pi->sclk_dpm.soft_max_clk); return 0; } static int cz_dpm_force_dpm_level(struct amdgpu_device *adev, - enum amdgpu_dpm_forced_level level) + enum amdgpu_dpm_forced_level level) { int ret = 0; switch (level) { case AMDGPU_DPM_FORCED_LEVEL_HIGH: + ret = cz_dpm_unforce_dpm_levels(adev); + if (ret) + return ret; ret = cz_dpm_force_highest(adev); if (ret) return ret; break; case AMDGPU_DPM_FORCED_LEVEL_LOW: + ret = cz_dpm_unforce_dpm_levels(adev); + if (ret) + return ret; ret = cz_dpm_force_lowest(adev); if (ret) return ret; @@ -1711,6 +1755,8 @@ static int cz_dpm_force_dpm_level(struct amdgpu_device *adev, break; } + adev->pm.dpm.forced_level = level; + return ret; } diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index 5cde635978f9..e70a26f587a0 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -2632,6 +2632,7 @@ static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode) struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + unsigned type; switch (mode) { case DRM_MODE_DPMS_ON: @@ -2640,6 +2641,9 @@ static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode) dce_v10_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); dce_v10_0_vga_enable(crtc, false); + /* Make sure VBLANK interrupt is still enabled */ + type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); + amdgpu_irq_update(adev, &adev->crtc_irq, type); drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id); dce_v10_0_crtc_load_lut(crtc); break; @@ -3403,19 +3407,25 @@ static int dce_v10_0_crtc_irq(struct amdgpu_device *adev, switch (entry->src_data) { case 0: /* vblank */ - if (disp_int & interrupt_status_offsets[crtc].vblank) { + if (disp_int & interrupt_status_offsets[crtc].vblank) dce_v10_0_crtc_vblank_int_ack(adev, crtc); - if (amdgpu_irq_enabled(adev, source, irq_type)) { - drm_handle_vblank(adev->ddev, crtc); - } - DRM_DEBUG("IH: D%d vblank\n", crtc + 1); + else + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (amdgpu_irq_enabled(adev, source, irq_type)) { + drm_handle_vblank(adev->ddev, crtc); } + DRM_DEBUG("IH: D%d vblank\n", crtc + 1); + break; case 1: /* vline */ - if (disp_int & interrupt_status_offsets[crtc].vline) { + if (disp_int & interrupt_status_offsets[crtc].vline) dce_v10_0_crtc_vline_int_ack(adev, crtc); - DRM_DEBUG("IH: D%d vline\n", crtc + 1); - } + else + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + DRM_DEBUG("IH: D%d vline\n", crtc + 1); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data); diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index 95efd98b202d..dcb402ee048a 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -2631,6 +2631,7 @@ static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode) struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + unsigned type; switch (mode) { case DRM_MODE_DPMS_ON: @@ -2639,6 +2640,9 @@ static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode) dce_v11_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); dce_v11_0_vga_enable(crtc, false); + /* Make sure VBLANK interrupt is still enabled */ + type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); + amdgpu_irq_update(adev, &adev->crtc_irq, type); drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id); dce_v11_0_crtc_load_lut(crtc); break; @@ -3402,19 +3406,25 @@ static int dce_v11_0_crtc_irq(struct amdgpu_device *adev, switch (entry->src_data) { case 0: /* vblank */ - if (disp_int & interrupt_status_offsets[crtc].vblank) { + if (disp_int & interrupt_status_offsets[crtc].vblank) dce_v11_0_crtc_vblank_int_ack(adev, crtc); - if (amdgpu_irq_enabled(adev, source, irq_type)) { - drm_handle_vblank(adev->ddev, crtc); - } - DRM_DEBUG("IH: D%d vblank\n", crtc + 1); + else + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (amdgpu_irq_enabled(adev, source, irq_type)) { + drm_handle_vblank(adev->ddev, crtc); } + DRM_DEBUG("IH: D%d vblank\n", crtc + 1); + break; case 1: /* vline */ - if (disp_int & interrupt_status_offsets[crtc].vline) { + if (disp_int & interrupt_status_offsets[crtc].vline) dce_v11_0_crtc_vline_int_ack(adev, crtc); - DRM_DEBUG("IH: D%d vline\n", crtc + 1); - } + else + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + DRM_DEBUG("IH: D%d vline\n", crtc + 1); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data); diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index aaca8d663f2c..cc050a329c49 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -2566,6 +2566,7 @@ static void dce_v8_0_crtc_dpms(struct drm_crtc *crtc, int mode) struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + unsigned type; switch (mode) { case DRM_MODE_DPMS_ON: @@ -2574,6 +2575,9 @@ static void dce_v8_0_crtc_dpms(struct drm_crtc *crtc, int mode) dce_v8_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); dce_v8_0_vga_enable(crtc, false); + /* Make sure VBLANK interrupt is still enabled */ + type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); + amdgpu_irq_update(adev, &adev->crtc_irq, type); drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id); dce_v8_0_crtc_load_lut(crtc); break; @@ -3237,19 +3241,25 @@ static int dce_v8_0_crtc_irq(struct amdgpu_device *adev, switch (entry->src_data) { case 0: /* vblank */ - if (disp_int & interrupt_status_offsets[crtc].vblank) { + if (disp_int & interrupt_status_offsets[crtc].vblank) WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], LB_VBLANK_STATUS__VBLANK_ACK_MASK); - if (amdgpu_irq_enabled(adev, source, irq_type)) { - drm_handle_vblank(adev->ddev, crtc); - } - DRM_DEBUG("IH: D%d vblank\n", crtc + 1); + else + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (amdgpu_irq_enabled(adev, source, irq_type)) { + drm_handle_vblank(adev->ddev, crtc); } + DRM_DEBUG("IH: D%d vblank\n", crtc + 1); + break; case 1: /* vline */ - if (disp_int & interrupt_status_offsets[crtc].vline) { + if (disp_int & interrupt_status_offsets[crtc].vline) WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], LB_VLINE_STATUS__VLINE_ACK_MASK); - DRM_DEBUG("IH: D%d vline\n", crtc + 1); - } + else + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + DRM_DEBUG("IH: D%d vline\n", crtc + 1); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 2c188fb9fd22..0d8bf2cb1956 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -2561,7 +2561,7 @@ static bool gfx_v7_0_ring_emit_semaphore(struct amdgpu_ring *ring, * sheduling on the ring. This function schedules the IB * on the gfx ring for execution by the GPU. */ -static void gfx_v7_0_ring_emit_ib(struct amdgpu_ring *ring, +static void gfx_v7_0_ring_emit_ib_gfx(struct amdgpu_ring *ring, struct amdgpu_ib *ib) { bool need_ctx_switch = ring->current_ctx != ib->ctx; @@ -2569,15 +2569,10 @@ static void gfx_v7_0_ring_emit_ib(struct amdgpu_ring *ring, u32 next_rptr = ring->wptr + 5; /* drop the CE preamble IB for the same context */ - if ((ring->type == AMDGPU_RING_TYPE_GFX) && - (ib->flags & AMDGPU_IB_FLAG_PREAMBLE) && - !need_ctx_switch) + if ((ib->flags & AMDGPU_IB_FLAG_PREAMBLE) && !need_ctx_switch) return; - if (ring->type == AMDGPU_RING_TYPE_COMPUTE) - control |= INDIRECT_BUFFER_VALID; - - if (need_ctx_switch && ring->type == AMDGPU_RING_TYPE_GFX) + if (need_ctx_switch) next_rptr += 2; next_rptr += 4; @@ -2588,7 +2583,7 @@ static void gfx_v7_0_ring_emit_ib(struct amdgpu_ring *ring, amdgpu_ring_write(ring, next_rptr); /* insert SWITCH_BUFFER packet before first IB in the ring frame */ - if (need_ctx_switch && ring->type == AMDGPU_RING_TYPE_GFX) { + if (need_ctx_switch) { amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0)); amdgpu_ring_write(ring, 0); } @@ -2611,6 +2606,35 @@ static void gfx_v7_0_ring_emit_ib(struct amdgpu_ring *ring, amdgpu_ring_write(ring, control); } +static void gfx_v7_0_ring_emit_ib_compute(struct amdgpu_ring *ring, + struct amdgpu_ib *ib) +{ + u32 header, control = 0; + u32 next_rptr = ring->wptr + 5; + + control |= INDIRECT_BUFFER_VALID; + next_rptr += 4; + amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); + amdgpu_ring_write(ring, WRITE_DATA_DST_SEL(5) | WR_CONFIRM); + amdgpu_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); + amdgpu_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xffffffff); + amdgpu_ring_write(ring, next_rptr); + + header = PACKET3(PACKET3_INDIRECT_BUFFER, 2); + + control |= ib->length_dw | + (ib->vm ? (ib->vm->ids[ring->idx].id << 24) : 0); + + amdgpu_ring_write(ring, header); + amdgpu_ring_write(ring, +#ifdef __BIG_ENDIAN + (2 << 0) | +#endif + (ib->gpu_addr & 0xFFFFFFFC)); + amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF); + amdgpu_ring_write(ring, control); +} + /** * gfx_v7_0_ring_test_ib - basic ring IB test * @@ -3056,6 +3080,8 @@ static int gfx_v7_0_cp_compute_load_microcode(struct amdgpu_device *adev) mec_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data; amdgpu_ucode_print_gfx_hdr(&mec_hdr->header); adev->gfx.mec_fw_version = le32_to_cpu(mec_hdr->header.ucode_version); + adev->gfx.mec_feature_version = le32_to_cpu( + mec_hdr->ucode_feature_version); gfx_v7_0_cp_compute_enable(adev, false); @@ -3078,6 +3104,8 @@ static int gfx_v7_0_cp_compute_load_microcode(struct amdgpu_device *adev) mec2_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec2_fw->data; amdgpu_ucode_print_gfx_hdr(&mec2_hdr->header); adev->gfx.mec2_fw_version = le32_to_cpu(mec2_hdr->header.ucode_version); + adev->gfx.mec2_feature_version = le32_to_cpu( + mec2_hdr->ucode_feature_version); /* MEC2 */ fw_data = (const __le32 *) @@ -4042,6 +4070,8 @@ static int gfx_v7_0_rlc_resume(struct amdgpu_device *adev) hdr = (const struct rlc_firmware_header_v1_0 *)adev->gfx.rlc_fw->data; amdgpu_ucode_print_rlc_hdr(&hdr->header); adev->gfx.rlc_fw_version = le32_to_cpu(hdr->header.ucode_version); + adev->gfx.rlc_feature_version = le32_to_cpu( + hdr->ucode_feature_version); gfx_v7_0_rlc_stop(adev); @@ -5098,7 +5128,7 @@ static void gfx_v7_0_print_status(void *handle) dev_info(adev->dev, " CP_HPD_EOP_CONTROL=0x%08X\n", RREG32(mmCP_HPD_EOP_CONTROL)); - for (queue = 0; queue < 8; i++) { + for (queue = 0; queue < 8; queue++) { cik_srbm_select(adev, me, pipe, queue, 0); dev_info(adev->dev, " queue: %d\n", queue); dev_info(adev->dev, " CP_PQ_WPTR_POLL_CNTL=0x%08X\n", @@ -5555,7 +5585,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = { .get_wptr = gfx_v7_0_ring_get_wptr_gfx, .set_wptr = gfx_v7_0_ring_set_wptr_gfx, .parse_cs = NULL, - .emit_ib = gfx_v7_0_ring_emit_ib, + .emit_ib = gfx_v7_0_ring_emit_ib_gfx, .emit_fence = gfx_v7_0_ring_emit_fence_gfx, .emit_semaphore = gfx_v7_0_ring_emit_semaphore, .emit_vm_flush = gfx_v7_0_ring_emit_vm_flush, @@ -5571,7 +5601,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = { .get_wptr = gfx_v7_0_ring_get_wptr_compute, .set_wptr = gfx_v7_0_ring_set_wptr_compute, .parse_cs = NULL, - .emit_ib = gfx_v7_0_ring_emit_ib, + .emit_ib = gfx_v7_0_ring_emit_ib_compute, .emit_fence = gfx_v7_0_ring_emit_fence_compute, .emit_semaphore = gfx_v7_0_ring_emit_semaphore, .emit_vm_flush = gfx_v7_0_ring_emit_vm_flush, diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 7b683fb2173c..20e2cfd521d5 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -587,6 +587,7 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev) int err; struct amdgpu_firmware_info *info = NULL; const struct common_firmware_header *header = NULL; + const struct gfx_firmware_header_v1_0 *cp_hdr; DRM_DEBUG("\n"); @@ -611,6 +612,9 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev) err = amdgpu_ucode_validate(adev->gfx.pfp_fw); if (err) goto out; + cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.pfp_fw->data; + adev->gfx.pfp_fw_version = le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.pfp_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version); snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me.bin", chip_name); err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev); @@ -619,6 +623,9 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev) err = amdgpu_ucode_validate(adev->gfx.me_fw); if (err) goto out; + cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.me_fw->data; + adev->gfx.me_fw_version = le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.me_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version); snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ce.bin", chip_name); err = request_firmware(&adev->gfx.ce_fw, fw_name, adev->dev); @@ -627,12 +634,18 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev) err = amdgpu_ucode_validate(adev->gfx.ce_fw); if (err) goto out; + cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.ce_fw->data; + adev->gfx.ce_fw_version = le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.ce_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version); snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc.bin", chip_name); err = request_firmware(&adev->gfx.rlc_fw, fw_name, adev->dev); if (err) goto out; err = amdgpu_ucode_validate(adev->gfx.rlc_fw); + cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.rlc_fw->data; + adev->gfx.rlc_fw_version = le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.rlc_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version); snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec.bin", chip_name); err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev); @@ -641,6 +654,9 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev) err = amdgpu_ucode_validate(adev->gfx.mec_fw); if (err) goto out; + cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data; + adev->gfx.mec_fw_version = le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.mec_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version); snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec2.bin", chip_name); err = request_firmware(&adev->gfx.mec2_fw, fw_name, adev->dev); @@ -648,6 +664,12 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev) err = amdgpu_ucode_validate(adev->gfx.mec2_fw); if (err) goto out; + cp_hdr = (const struct gfx_firmware_header_v1_0 *) + adev->gfx.mec2_fw->data; + adev->gfx.mec2_fw_version = le32_to_cpu( + cp_hdr->header.ucode_version); + adev->gfx.mec2_feature_version = le32_to_cpu( + cp_hdr->ucode_feature_version); } else { err = 0; adev->gfx.mec2_fw = NULL; @@ -1813,10 +1835,7 @@ static u32 gfx_v8_0_get_rb_disabled(struct amdgpu_device *adev, u32 data, mask; data = RREG32(mmCC_RB_BACKEND_DISABLE); - if (data & 1) - data &= CC_RB_BACKEND_DISABLE__BACKEND_DISABLE_MASK; - else - data = 0; + data &= CC_RB_BACKEND_DISABLE__BACKEND_DISABLE_MASK; data |= RREG32(mmGC_USER_RB_BACKEND_DISABLE); @@ -1986,6 +2005,7 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev) adev->gfx.config.max_shader_engines = 1; adev->gfx.config.max_tile_pipes = 2; adev->gfx.config.max_sh_per_se = 1; + adev->gfx.config.max_backends_per_se = 2; switch (adev->pdev->revision) { case 0xc4: @@ -1994,7 +2014,6 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev) case 0xcc: /* B10 */ adev->gfx.config.max_cu_per_sh = 8; - adev->gfx.config.max_backends_per_se = 2; break; case 0xc5: case 0x81: @@ -2003,14 +2022,12 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev) case 0xcd: /* B8 */ adev->gfx.config.max_cu_per_sh = 6; - adev->gfx.config.max_backends_per_se = 2; break; case 0xc6: case 0xca: case 0xce: /* B6 */ adev->gfx.config.max_cu_per_sh = 6; - adev->gfx.config.max_backends_per_se = 2; break; case 0xc7: case 0x87: @@ -2018,7 +2035,6 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev) default: /* B4 */ adev->gfx.config.max_cu_per_sh = 4; - adev->gfx.config.max_backends_per_se = 1; break; } @@ -2278,7 +2294,6 @@ static int gfx_v8_0_rlc_load_microcode(struct amdgpu_device *adev) hdr = (const struct rlc_firmware_header_v2_0 *)adev->gfx.rlc_fw->data; amdgpu_ucode_print_rlc_hdr(&hdr->header); - adev->gfx.rlc_fw_version = le32_to_cpu(hdr->header.ucode_version); fw_data = (const __le32 *)(adev->gfx.rlc_fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); @@ -2364,12 +2379,6 @@ static int gfx_v8_0_cp_gfx_load_microcode(struct amdgpu_device *adev) amdgpu_ucode_print_gfx_hdr(&pfp_hdr->header); amdgpu_ucode_print_gfx_hdr(&ce_hdr->header); amdgpu_ucode_print_gfx_hdr(&me_hdr->header); - adev->gfx.pfp_fw_version = le32_to_cpu(pfp_hdr->header.ucode_version); - adev->gfx.ce_fw_version = le32_to_cpu(ce_hdr->header.ucode_version); - adev->gfx.me_fw_version = le32_to_cpu(me_hdr->header.ucode_version); - adev->gfx.me_feature_version = le32_to_cpu(me_hdr->ucode_feature_version); - adev->gfx.ce_feature_version = le32_to_cpu(ce_hdr->ucode_feature_version); - adev->gfx.pfp_feature_version = le32_to_cpu(pfp_hdr->ucode_feature_version); gfx_v8_0_cp_gfx_enable(adev, false); @@ -2625,7 +2634,6 @@ static int gfx_v8_0_cp_compute_load_microcode(struct amdgpu_device *adev) mec_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data; amdgpu_ucode_print_gfx_hdr(&mec_hdr->header); - adev->gfx.mec_fw_version = le32_to_cpu(mec_hdr->header.ucode_version); fw_data = (const __le32 *) (adev->gfx.mec_fw->data + @@ -2644,7 +2652,6 @@ static int gfx_v8_0_cp_compute_load_microcode(struct amdgpu_device *adev) mec2_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec2_fw->data; amdgpu_ucode_print_gfx_hdr(&mec2_hdr->header); - adev->gfx.mec2_fw_version = le32_to_cpu(mec2_hdr->header.ucode_version); fw_data = (const __le32 *) (adev->gfx.mec2_fw->data + @@ -3128,7 +3135,7 @@ static int gfx_v8_0_cp_compute_resume(struct amdgpu_device *adev) WREG32(mmCP_MEC_DOORBELL_RANGE_LOWER, AMDGPU_DOORBELL_KIQ << 2); WREG32(mmCP_MEC_DOORBELL_RANGE_UPPER, - 0x7FFFF << 2); + AMDGPU_DOORBELL_MEC_RING7 << 2); } tmp = RREG32(mmCP_HQD_PQ_DOORBELL_CONTROL); tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_DOORBELL_CONTROL, @@ -3756,7 +3763,7 @@ static void gfx_v8_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) amdgpu_ring_write(ring, 0x20); /* poll interval */ } -static void gfx_v8_0_ring_emit_ib(struct amdgpu_ring *ring, +static void gfx_v8_0_ring_emit_ib_gfx(struct amdgpu_ring *ring, struct amdgpu_ib *ib) { bool need_ctx_switch = ring->current_ctx != ib->ctx; @@ -3764,15 +3771,10 @@ static void gfx_v8_0_ring_emit_ib(struct amdgpu_ring *ring, u32 next_rptr = ring->wptr + 5; /* drop the CE preamble IB for the same context */ - if ((ring->type == AMDGPU_RING_TYPE_GFX) && - (ib->flags & AMDGPU_IB_FLAG_PREAMBLE) && - !need_ctx_switch) + if ((ib->flags & AMDGPU_IB_FLAG_PREAMBLE) && !need_ctx_switch) return; - if (ring->type == AMDGPU_RING_TYPE_COMPUTE) - control |= INDIRECT_BUFFER_VALID; - - if (need_ctx_switch && ring->type == AMDGPU_RING_TYPE_GFX) + if (need_ctx_switch) next_rptr += 2; next_rptr += 4; @@ -3783,7 +3785,7 @@ static void gfx_v8_0_ring_emit_ib(struct amdgpu_ring *ring, amdgpu_ring_write(ring, next_rptr); /* insert SWITCH_BUFFER packet before first IB in the ring frame */ - if (need_ctx_switch && ring->type == AMDGPU_RING_TYPE_GFX) { + if (need_ctx_switch) { amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0)); amdgpu_ring_write(ring, 0); } @@ -3806,6 +3808,36 @@ static void gfx_v8_0_ring_emit_ib(struct amdgpu_ring *ring, amdgpu_ring_write(ring, control); } +static void gfx_v8_0_ring_emit_ib_compute(struct amdgpu_ring *ring, + struct amdgpu_ib *ib) +{ + u32 header, control = 0; + u32 next_rptr = ring->wptr + 5; + + control |= INDIRECT_BUFFER_VALID; + + next_rptr += 4; + amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); + amdgpu_ring_write(ring, WRITE_DATA_DST_SEL(5) | WR_CONFIRM); + amdgpu_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); + amdgpu_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xffffffff); + amdgpu_ring_write(ring, next_rptr); + + header = PACKET3(PACKET3_INDIRECT_BUFFER, 2); + + control |= ib->length_dw | + (ib->vm ? (ib->vm->ids[ring->idx].id << 24) : 0); + + amdgpu_ring_write(ring, header); + amdgpu_ring_write(ring, +#ifdef __BIG_ENDIAN + (2 << 0) | +#endif + (ib->gpu_addr & 0xFFFFFFFC)); + amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF); + amdgpu_ring_write(ring, control); +} + static void gfx_v8_0_ring_emit_fence_gfx(struct amdgpu_ring *ring, u64 addr, u64 seq, unsigned flags) { @@ -4227,7 +4259,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_gfx = { .get_wptr = gfx_v8_0_ring_get_wptr_gfx, .set_wptr = gfx_v8_0_ring_set_wptr_gfx, .parse_cs = NULL, - .emit_ib = gfx_v8_0_ring_emit_ib, + .emit_ib = gfx_v8_0_ring_emit_ib_gfx, .emit_fence = gfx_v8_0_ring_emit_fence_gfx, .emit_semaphore = gfx_v8_0_ring_emit_semaphore, .emit_vm_flush = gfx_v8_0_ring_emit_vm_flush, @@ -4243,7 +4275,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = { .get_wptr = gfx_v8_0_ring_get_wptr_compute, .set_wptr = gfx_v8_0_ring_set_wptr_compute, .parse_cs = NULL, - .emit_ib = gfx_v8_0_ring_emit_ib, + .emit_ib = gfx_v8_0_ring_emit_ib_compute, .emit_fence = gfx_v8_0_ring_emit_fence_compute, .emit_semaphore = gfx_v8_0_ring_emit_semaphore, .emit_vm_flush = gfx_v8_0_ring_emit_vm_flush, diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c index d7895885fe0c..a988dfb1d394 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c @@ -121,6 +121,7 @@ static int sdma_v2_4_init_microcode(struct amdgpu_device *adev) int err, i; struct amdgpu_firmware_info *info = NULL; const struct common_firmware_header *header = NULL; + const struct sdma_firmware_header_v1_0 *hdr; DRM_DEBUG("\n"); @@ -142,6 +143,9 @@ static int sdma_v2_4_init_microcode(struct amdgpu_device *adev) err = amdgpu_ucode_validate(adev->sdma[i].fw); if (err) goto out; + hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma[i].fw->data; + adev->sdma[i].fw_version = le32_to_cpu(hdr->header.ucode_version); + adev->sdma[i].feature_version = le32_to_cpu(hdr->ucode_feature_version); if (adev->firmware.smu_load) { info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i]; @@ -541,8 +545,6 @@ static int sdma_v2_4_load_microcode(struct amdgpu_device *adev) hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma[i].fw->data; amdgpu_ucode_print_sdma_hdr(&hdr->header); fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; - adev->sdma[i].fw_version = le32_to_cpu(hdr->header.ucode_version); - fw_data = (const __le32 *) (adev->sdma[i].fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c index 7bb37b93993f..2b86569b18d3 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c @@ -159,6 +159,7 @@ static int sdma_v3_0_init_microcode(struct amdgpu_device *adev) int err, i; struct amdgpu_firmware_info *info = NULL; const struct common_firmware_header *header = NULL; + const struct sdma_firmware_header_v1_0 *hdr; DRM_DEBUG("\n"); @@ -183,6 +184,9 @@ static int sdma_v3_0_init_microcode(struct amdgpu_device *adev) err = amdgpu_ucode_validate(adev->sdma[i].fw); if (err) goto out; + hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma[i].fw->data; + adev->sdma[i].fw_version = le32_to_cpu(hdr->header.ucode_version); + adev->sdma[i].feature_version = le32_to_cpu(hdr->ucode_feature_version); if (adev->firmware.smu_load) { info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i]; @@ -630,8 +634,6 @@ static int sdma_v3_0_load_microcode(struct amdgpu_device *adev) hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma[i].fw->data; amdgpu_ucode_print_sdma_hdr(&hdr->header); fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; - adev->sdma[i].fw_version = le32_to_cpu(hdr->header.ucode_version); - fw_data = (const __le32 *) (adev->sdma[i].fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c index d62c4002e39c..d1064ca3670e 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c @@ -35,6 +35,8 @@ #include "oss/oss_2_0_d.h" #include "oss/oss_2_0_sh_mask.h" #include "gca/gfx_8_0_d.h" +#include "smu/smu_7_1_2_d.h" +#include "smu/smu_7_1_2_sh_mask.h" #define GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT 0x04 #define GRBM_GFX_INDEX__VCE_INSTANCE_MASK 0x10 @@ -112,6 +114,10 @@ static int vce_v3_0_start(struct amdgpu_device *adev) mutex_lock(&adev->grbm_idx_mutex); for (idx = 0; idx < 2; ++idx) { + + if (adev->vce.harvest_config & (1 << idx)) + continue; + if(idx == 0) WREG32_P(mmGRBM_GFX_INDEX, 0, ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK); @@ -190,10 +196,52 @@ static int vce_v3_0_start(struct amdgpu_device *adev) return 0; } +#define ixVCE_HARVEST_FUSE_MACRO__ADDRESS 0xC0014074 +#define VCE_HARVEST_FUSE_MACRO__SHIFT 27 +#define VCE_HARVEST_FUSE_MACRO__MASK 0x18000000 + +static unsigned vce_v3_0_get_harvest_config(struct amdgpu_device *adev) +{ + u32 tmp; + unsigned ret; + + if (adev->flags & AMDGPU_IS_APU) + tmp = (RREG32_SMC(ixVCE_HARVEST_FUSE_MACRO__ADDRESS) & + VCE_HARVEST_FUSE_MACRO__MASK) >> + VCE_HARVEST_FUSE_MACRO__SHIFT; + else + tmp = (RREG32_SMC(ixCC_HARVEST_FUSES) & + CC_HARVEST_FUSES__VCE_DISABLE_MASK) >> + CC_HARVEST_FUSES__VCE_DISABLE__SHIFT; + + switch (tmp) { + case 1: + ret = AMDGPU_VCE_HARVEST_VCE0; + break; + case 2: + ret = AMDGPU_VCE_HARVEST_VCE1; + break; + case 3: + ret = AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1; + break; + default: + ret = 0; + } + + return ret; +} + static int vce_v3_0_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + adev->vce.harvest_config = vce_v3_0_get_harvest_config(adev); + + if ((adev->vce.harvest_config & + (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) == + (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) + return -ENOENT; + vce_v3_0_set_ring_funcs(adev); vce_v3_0_set_irq_funcs(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index fa5a4448531d..68552da40287 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -122,6 +122,32 @@ static void vi_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v) spin_unlock_irqrestore(&adev->smc_idx_lock, flags); } +/* smu_8_0_d.h */ +#define mmMP0PUB_IND_INDEX 0x180 +#define mmMP0PUB_IND_DATA 0x181 + +static u32 cz_smc_rreg(struct amdgpu_device *adev, u32 reg) +{ + unsigned long flags; + u32 r; + + spin_lock_irqsave(&adev->smc_idx_lock, flags); + WREG32(mmMP0PUB_IND_INDEX, (reg)); + r = RREG32(mmMP0PUB_IND_DATA); + spin_unlock_irqrestore(&adev->smc_idx_lock, flags); + return r; +} + +static void cz_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v) +{ + unsigned long flags; + + spin_lock_irqsave(&adev->smc_idx_lock, flags); + WREG32(mmMP0PUB_IND_INDEX, (reg)); + WREG32(mmMP0PUB_IND_DATA, (v)); + spin_unlock_irqrestore(&adev->smc_idx_lock, flags); +} + static u32 vi_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg) { unsigned long flags; @@ -1222,8 +1248,13 @@ static int vi_common_early_init(void *handle) bool smc_enabled = false; struct amdgpu_device *adev = (struct amdgpu_device *)handle; - adev->smc_rreg = &vi_smc_rreg; - adev->smc_wreg = &vi_smc_wreg; + if (adev->flags & AMDGPU_IS_APU) { + adev->smc_rreg = &cz_smc_rreg; + adev->smc_wreg = &cz_smc_wreg; + } else { + adev->smc_rreg = &vi_smc_rreg; + adev->smc_wreg = &vi_smc_wreg; + } adev->pcie_rreg = &vi_pcie_rreg; adev->pcie_wreg = &vi_pcie_wreg; adev->uvd_ctx_rreg = &vi_uvd_ctx_rreg; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 8a1f999daa24..9be007081b72 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -420,6 +420,12 @@ void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid) pqm_uninit(&p->pqm); pdd = kfd_get_process_device_data(dev, p); + + if (!pdd) { + mutex_unlock(&p->mutex); + return; + } + if (pdd->reset_wavefronts) { dbgdev_wave_reset_wavefronts(pdd->dev, p); pdd->reset_wavefronts = false; @@ -431,8 +437,7 @@ void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid) * We don't call amd_iommu_unbind_pasid() here * because the IOMMU called us. */ - if (pdd) - pdd->bound = false; + pdd->bound = false; mutex_unlock(&p->mutex); } diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index 42d2ffa08716..01ffe9bffe38 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -531,8 +531,6 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc, drm_crtc_vblank_off(crtc); - crtc->mode = *adj; - val = dcrtc->dumb_ctrl & ~CFG_DUMB_ENA; if (val != dcrtc->dumb_ctrl) { dcrtc->dumb_ctrl = val; diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c index 580e10acaa3a..60a688ef81c7 100644 --- a/drivers/gpu/drm/armada/armada_gem.c +++ b/drivers/gpu/drm/armada/armada_gem.c @@ -69,8 +69,9 @@ void armada_gem_free_object(struct drm_gem_object *obj) if (dobj->obj.import_attach) { /* We only ever display imported data */ - dma_buf_unmap_attachment(dobj->obj.import_attach, dobj->sgt, - DMA_TO_DEVICE); + if (dobj->sgt) + dma_buf_unmap_attachment(dobj->obj.import_attach, + dobj->sgt, DMA_TO_DEVICE); drm_prime_gem_destroy(&dobj->obj, NULL); } diff --git a/drivers/gpu/drm/armada/armada_overlay.c b/drivers/gpu/drm/armada/armada_overlay.c index c5b06fdb459c..e939faba7fcc 100644 --- a/drivers/gpu/drm/armada/armada_overlay.c +++ b/drivers/gpu/drm/armada/armada_overlay.c @@ -7,6 +7,7 @@ * published by the Free Software Foundation. */ #include <drm/drmP.h> +#include <drm/drm_plane_helper.h> #include "armada_crtc.h" #include "armada_drm.h" #include "armada_fb.h" @@ -85,16 +86,8 @@ static void armada_plane_vbl(struct armada_crtc *dcrtc, void *data) if (fb) armada_drm_queue_unref_work(dcrtc->crtc.dev, fb); -} -static unsigned armada_limit(int start, unsigned size, unsigned max) -{ - int end = start + size; - if (end < 0) - return 0; - if (start < 0) - start = 0; - return (unsigned)end > max ? max - start : end - start; + wake_up(&dplane->vbl.wait); } static int @@ -105,26 +98,39 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, { struct armada_plane *dplane = drm_to_armada_plane(plane); struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc); + struct drm_rect src = { + .x1 = src_x, + .y1 = src_y, + .x2 = src_x + src_w, + .y2 = src_y + src_h, + }; + struct drm_rect dest = { + .x1 = crtc_x, + .y1 = crtc_y, + .x2 = crtc_x + crtc_w, + .y2 = crtc_y + crtc_h, + }; + const struct drm_rect clip = { + .x2 = crtc->mode.hdisplay, + .y2 = crtc->mode.vdisplay, + }; uint32_t val, ctrl0; unsigned idx = 0; + bool visible; int ret; - crtc_w = armada_limit(crtc_x, crtc_w, dcrtc->crtc.mode.hdisplay); - crtc_h = armada_limit(crtc_y, crtc_h, dcrtc->crtc.mode.vdisplay); + ret = drm_plane_helper_check_update(plane, crtc, fb, &src, &dest, &clip, + 0, INT_MAX, true, false, &visible); + if (ret) + return ret; + ctrl0 = CFG_DMA_FMT(drm_fb_to_armada_fb(fb)->fmt) | CFG_DMA_MOD(drm_fb_to_armada_fb(fb)->mod) | CFG_CBSH_ENA | CFG_DMA_HSMOOTH | CFG_DMA_ENA; /* Does the position/size result in nothing to display? */ - if (crtc_w == 0 || crtc_h == 0) { + if (!visible) ctrl0 &= ~CFG_DMA_ENA; - } - - /* - * FIXME: if the starting point is off screen, we need to - * adjust src_x, src_y, src_w, src_h appropriately, and - * according to the scale. - */ if (!dcrtc->plane) { dcrtc->plane = plane; @@ -134,15 +140,19 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, /* FIXME: overlay on an interlaced display */ /* Just updating the position/size? */ if (plane->fb == fb && dplane->ctrl0 == ctrl0) { - val = (src_h & 0xffff0000) | src_w >> 16; + val = (drm_rect_height(&src) & 0xffff0000) | + drm_rect_width(&src) >> 16; dplane->src_hw = val; writel_relaxed(val, dcrtc->base + LCD_SPU_DMA_HPXL_VLN); - val = crtc_h << 16 | crtc_w; + + val = drm_rect_height(&dest) << 16 | drm_rect_width(&dest); dplane->dst_hw = val; writel_relaxed(val, dcrtc->base + LCD_SPU_DZM_HPXL_VLN); - val = crtc_y << 16 | crtc_x; + + val = dest.y1 << 16 | dest.x1; dplane->dst_yx = val; writel_relaxed(val, dcrtc->base + LCD_SPU_DMA_OVSA_HPXL_VLN); + return 0; } else if (~dplane->ctrl0 & ctrl0 & CFG_DMA_ENA) { /* Power up the Y/U/V FIFOs on ENA 0->1 transitions */ @@ -150,15 +160,14 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, dcrtc->base + LCD_SPU_SRAM_PARA1); } - ret = wait_event_timeout(dplane->vbl.wait, - list_empty(&dplane->vbl.update.node), - HZ/25); - if (ret < 0) - return ret; + wait_event_timeout(dplane->vbl.wait, + list_empty(&dplane->vbl.update.node), + HZ/25); if (plane->fb != fb) { struct armada_gem_object *obj = drm_fb_obj(fb); - uint32_t sy, su, sv; + uint32_t addr[3], pixel_format; + int i, num_planes, hsub; /* * Take a reference on the new framebuffer - we want to @@ -178,26 +187,39 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, older_fb); } - src_y >>= 16; - src_x >>= 16; - sy = obj->dev_addr + fb->offsets[0] + src_y * fb->pitches[0] + - src_x * fb->bits_per_pixel / 8; - su = obj->dev_addr + fb->offsets[1] + src_y * fb->pitches[1] + - src_x; - sv = obj->dev_addr + fb->offsets[2] + src_y * fb->pitches[2] + - src_x; + src_y = src.y1 >> 16; + src_x = src.x1 >> 16; - armada_reg_queue_set(dplane->vbl.regs, idx, sy, + pixel_format = fb->pixel_format; + hsub = drm_format_horz_chroma_subsampling(pixel_format); + num_planes = drm_format_num_planes(pixel_format); + + /* + * Annoyingly, shifting a YUYV-format image by one pixel + * causes the U/V planes to toggle. Toggle the UV swap. + * (Unfortunately, this causes momentary colour flickering.) + */ + if (src_x & (hsub - 1) && num_planes == 1) + ctrl0 ^= CFG_DMA_MOD(CFG_SWAPUV); + + for (i = 0; i < num_planes; i++) + addr[i] = obj->dev_addr + fb->offsets[i] + + src_y * fb->pitches[i] + + src_x * drm_format_plane_cpp(pixel_format, i); + for (; i < ARRAY_SIZE(addr); i++) + addr[i] = 0; + + armada_reg_queue_set(dplane->vbl.regs, idx, addr[0], LCD_SPU_DMA_START_ADDR_Y0); - armada_reg_queue_set(dplane->vbl.regs, idx, su, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[1], LCD_SPU_DMA_START_ADDR_U0); - armada_reg_queue_set(dplane->vbl.regs, idx, sv, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[2], LCD_SPU_DMA_START_ADDR_V0); - armada_reg_queue_set(dplane->vbl.regs, idx, sy, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[0], LCD_SPU_DMA_START_ADDR_Y1); - armada_reg_queue_set(dplane->vbl.regs, idx, su, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[1], LCD_SPU_DMA_START_ADDR_U1); - armada_reg_queue_set(dplane->vbl.regs, idx, sv, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[2], LCD_SPU_DMA_START_ADDR_V1); val = fb->pitches[0] << 16 | fb->pitches[0]; @@ -208,24 +230,27 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, LCD_SPU_DMA_PITCH_UV); } - val = (src_h & 0xffff0000) | src_w >> 16; + val = (drm_rect_height(&src) & 0xffff0000) | drm_rect_width(&src) >> 16; if (dplane->src_hw != val) { dplane->src_hw = val; armada_reg_queue_set(dplane->vbl.regs, idx, val, LCD_SPU_DMA_HPXL_VLN); } - val = crtc_h << 16 | crtc_w; + + val = drm_rect_height(&dest) << 16 | drm_rect_width(&dest); if (dplane->dst_hw != val) { dplane->dst_hw = val; armada_reg_queue_set(dplane->vbl.regs, idx, val, LCD_SPU_DZM_HPXL_VLN); } - val = crtc_y << 16 | crtc_x; + + val = dest.y1 << 16 | dest.x1; if (dplane->dst_yx != val) { dplane->dst_yx = val; armada_reg_queue_set(dplane->vbl.regs, idx, val, LCD_SPU_DMA_OVSA_HPXL_VLN); } + if (dplane->ctrl0 != ctrl0) { dplane->ctrl0 = ctrl0; armada_reg_queue_mod(dplane->vbl.regs, idx, ctrl0, @@ -279,7 +304,11 @@ static int armada_plane_disable(struct drm_plane *plane) static void armada_plane_destroy(struct drm_plane *plane) { - kfree(plane); + struct armada_plane *dplane = drm_to_armada_plane(plane); + + drm_plane_cleanup(plane); + + kfree(dplane); } static int armada_plane_set_property(struct drm_plane *plane, diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c index f69b92535505..5ae5c6923128 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c @@ -355,6 +355,7 @@ int atmel_hlcdc_crtc_create(struct drm_device *dev) planes->overlays[i]->base.possible_crtcs = 1 << crtc->id; drm_crtc_helper_add(&crtc->base, &lcdc_crtc_helper_funcs); + drm_crtc_vblank_reset(&crtc->base); dc->crtc = &crtc->base; diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c index 60b0c13d7ff5..ef6182bc8e5e 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -313,20 +313,20 @@ static int atmel_hlcdc_dc_load(struct drm_device *dev) pm_runtime_enable(dev->dev); - ret = atmel_hlcdc_dc_modeset_init(dev); + ret = drm_vblank_init(dev, 1); if (ret < 0) { - dev_err(dev->dev, "failed to initialize mode setting\n"); + dev_err(dev->dev, "failed to initialize vblank\n"); goto err_periph_clk_disable; } - drm_mode_config_reset(dev); - - ret = drm_vblank_init(dev, 1); + ret = atmel_hlcdc_dc_modeset_init(dev); if (ret < 0) { - dev_err(dev->dev, "failed to initialize vblank\n"); + dev_err(dev->dev, "failed to initialize mode setting\n"); goto err_periph_clk_disable; } + drm_mode_config_reset(dev); + pm_runtime_get_sync(dev->dev); ret = drm_irq_install(dev, dc->hlcdc->irq); pm_runtime_put_sync(dev->dev); @@ -559,7 +559,7 @@ static int atmel_hlcdc_dc_drm_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int atmel_hlcdc_dc_drm_suspend(struct device *dev) { struct drm_device *drm_dev = dev_get_drvdata(dev); diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 5b59d5ad7d1c..9dcc7280e572 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -196,7 +196,12 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) } funcs = connector->helper_private; - new_encoder = funcs->best_encoder(connector); + + if (funcs->atomic_best_encoder) + new_encoder = funcs->atomic_best_encoder(connector, + connector_state); + else + new_encoder = funcs->best_encoder(connector); if (!new_encoder) { DRM_DEBUG_ATOMIC("No suitable encoder found for [CONNECTOR:%d:%s]\n", @@ -229,6 +234,9 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) } } + if (WARN_ON(!connector_state->crtc)) + return -EINVAL; + connector_state->best_encoder = new_encoder; idx = drm_crtc_index(connector_state->crtc); diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index b9ba06176eb1..fed748311b92 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -2706,8 +2706,11 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -EINVAL; - /* For some reason crtc x/y offsets are signed internally. */ - if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) + /* + * Universal plane src offsets are only 16.16, prevent havoc for + * drivers using universal plane code internally. + */ + if (crtc_req->x & 0xffff0000 || crtc_req->y & 0xffff0000) return -ERANGE; drm_modeset_lock_all(dev); @@ -5395,12 +5398,9 @@ void drm_mode_config_reset(struct drm_device *dev) if (encoder->funcs->reset) encoder->funcs->reset(encoder); - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - connector->status = connector_status_unknown; - + list_for_each_entry(connector, &dev->mode_config.connector_list, head) if (connector->funcs->reset) connector->funcs->reset(connector); - } } EXPORT_SYMBOL(drm_mode_config_reset); diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 778bbb6425b8..eb603f1defc2 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -873,9 +873,10 @@ static void drm_dp_destroy_port(struct kref *kref) from an EDID retrieval */ if (port->connector) { mutex_lock(&mgr->destroy_connector_lock); - list_add(&port->connector->destroy_list, &mgr->destroy_connector_list); + list_add(&port->next, &mgr->destroy_connector_list); mutex_unlock(&mgr->destroy_connector_lock); schedule_work(&mgr->destroy_connector_work); + return; } drm_dp_port_teardown_pdt(port, port->pdt); @@ -1294,7 +1295,6 @@ retry: goto retry; } DRM_DEBUG_KMS("failed to dpcd write %d %d\n", tosend, ret); - WARN(1, "fail\n"); return -EIO; } @@ -2660,7 +2660,7 @@ static void drm_dp_tx_work(struct work_struct *work) static void drm_dp_destroy_connector_work(struct work_struct *work) { struct drm_dp_mst_topology_mgr *mgr = container_of(work, struct drm_dp_mst_topology_mgr, destroy_connector_work); - struct drm_connector *connector; + struct drm_dp_mst_port *port; /* * Not a regular list traverse as we have to drop the destroy @@ -2669,15 +2669,21 @@ static void drm_dp_destroy_connector_work(struct work_struct *work) */ for (;;) { mutex_lock(&mgr->destroy_connector_lock); - connector = list_first_entry_or_null(&mgr->destroy_connector_list, struct drm_connector, destroy_list); - if (!connector) { + port = list_first_entry_or_null(&mgr->destroy_connector_list, struct drm_dp_mst_port, next); + if (!port) { mutex_unlock(&mgr->destroy_connector_lock); break; } - list_del(&connector->destroy_list); + list_del(&port->next); mutex_unlock(&mgr->destroy_connector_lock); - mgr->cbs->destroy_connector(mgr, connector); + mgr->cbs->destroy_connector(mgr, port->connector); + + drm_dp_port_teardown_pdt(port, port->pdt); + + if (!port->input && port->vcpi.vcpi > 0) + drm_dp_mst_put_payload_id(mgr, port->vcpi.vcpi); + kfree(port); } } diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index aa8bbb460c57..9cfcd0aef0df 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -70,6 +70,8 @@ #define DRM_IOCTL_WAIT_VBLANK32 DRM_IOWR(0x3a, drm_wait_vblank32_t) +#define DRM_IOCTL_MODE_ADDFB232 DRM_IOWR(0xb8, drm_mode_fb_cmd232_t) + typedef struct drm_version_32 { int version_major; /**< Major version */ int version_minor; /**< Minor version */ @@ -1016,6 +1018,63 @@ static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, return 0; } +typedef struct drm_mode_fb_cmd232 { + u32 fb_id; + u32 width; + u32 height; + u32 pixel_format; + u32 flags; + u32 handles[4]; + u32 pitches[4]; + u32 offsets[4]; + u64 modifier[4]; +} __attribute__((packed)) drm_mode_fb_cmd232_t; + +static int compat_drm_mode_addfb2(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct drm_mode_fb_cmd232 __user *argp = (void __user *)arg; + struct drm_mode_fb_cmd232 req32; + struct drm_mode_fb_cmd2 __user *req64; + int i; + int err; + + if (copy_from_user(&req32, argp, sizeof(req32))) + return -EFAULT; + + req64 = compat_alloc_user_space(sizeof(*req64)); + + if (!access_ok(VERIFY_WRITE, req64, sizeof(*req64)) + || __put_user(req32.width, &req64->width) + || __put_user(req32.height, &req64->height) + || __put_user(req32.pixel_format, &req64->pixel_format) + || __put_user(req32.flags, &req64->flags)) + return -EFAULT; + + for (i = 0; i < 4; i++) { + if (__put_user(req32.handles[i], &req64->handles[i])) + return -EFAULT; + if (__put_user(req32.pitches[i], &req64->pitches[i])) + return -EFAULT; + if (__put_user(req32.offsets[i], &req64->offsets[i])) + return -EFAULT; + if (__put_user(req32.modifier[i], &req64->modifier[i])) + return -EFAULT; + } + + err = drm_ioctl(file, DRM_IOCTL_MODE_ADDFB2, (unsigned long)req64); + if (err) + return err; + + if (__get_user(req32.fb_id, &req64->fb_id)) + return -EFAULT; + + if (copy_to_user(argp, &req32, sizeof(req32))) + return -EFAULT; + + return 0; +} + static drm_ioctl_compat_t *drm_compat_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version, [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique, @@ -1048,6 +1107,7 @@ static drm_ioctl_compat_t *drm_compat_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW32)] = compat_drm_update_draw, #endif [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank, + [DRM_IOCTL_NR(DRM_IOCTL_MODE_ADDFB232)] = compat_drm_mode_addfb2, }; /** diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index f9cc68fbd2a3..b50fa0afd907 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -75,7 +75,7 @@ module_param_named(timestamp_precision_usec, drm_timestamp_precision, int, 0600) module_param_named(timestamp_monotonic, drm_timestamp_monotonic, int, 0600); static void store_vblank(struct drm_device *dev, int crtc, - unsigned vblank_count_inc, + u32 vblank_count_inc, struct timeval *t_vblank) { struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index 842d6b8dc3c4..2a652359af64 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -1745,7 +1745,6 @@ static int fimc_probe(struct platform_device *pdev) spin_lock_init(&ctx->lock); platform_set_drvdata(pdev, ctx); - pm_runtime_set_active(dev); pm_runtime_enable(dev); ret = exynos_drm_ippdrv_register(ippdrv); diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 8040ed2a831f..f1c6b76c127f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -593,8 +593,7 @@ static int gsc_src_set_transf(struct device *dev, gsc_write(cfg, GSC_IN_CON); - ctx->rotation = cfg & - (GSC_IN_ROT_90 | GSC_IN_ROT_270) ? 1 : 0; + ctx->rotation = (cfg & GSC_IN_ROT_90) ? 1 : 0; *swap = ctx->rotation; return 0; @@ -857,8 +856,7 @@ static int gsc_dst_set_transf(struct device *dev, gsc_write(cfg, GSC_IN_CON); - ctx->rotation = cfg & - (GSC_IN_ROT_90 | GSC_IN_ROT_270) ? 1 : 0; + ctx->rotation = (cfg & GSC_IN_ROT_90) ? 1 : 0; *swap = ctx->rotation; return 0; diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 99e286489031..4a00990e4ae4 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1064,6 +1064,7 @@ static int hdmi_get_modes(struct drm_connector *connector) { struct hdmi_context *hdata = ctx_from_connector(connector); struct edid *edid; + int ret; if (!hdata->ddc_adpt) return -ENODEV; @@ -1079,7 +1080,11 @@ static int hdmi_get_modes(struct drm_connector *connector) drm_mode_connector_update_edid_property(connector, edid); - return drm_add_edid_modes(connector, edid); + ret = drm_add_edid_modes(connector, edid); + + kfree(edid); + + return ret; } static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock) diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index cae98db33062..4706b56902b4 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -718,6 +718,10 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg) /* handling VSYNC */ if (val & MXR_INT_STATUS_VSYNC) { + /* vsync interrupt use different bit for read and clear */ + val |= MXR_INT_CLEAR_VSYNC; + val &= ~MXR_INT_STATUS_VSYNC; + /* interlace scan need to check shadow register */ if (ctx->interlace) { base = mixer_reg_read(res, MXR_GRAPHIC_BASE(0)); @@ -743,11 +747,6 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg) out: /* clear interrupts */ - if (~val & MXR_INT_EN_VSYNC) { - /* vsync interrupt use different bit for read and clear */ - val &= ~MXR_INT_EN_VSYNC; - val |= MXR_INT_CLEAR_VSYNC; - } mixer_reg_write(res, MXR_INT_STATUS, val); spin_unlock(&res->reg_slock); @@ -907,8 +906,8 @@ static int mixer_enable_vblank(struct exynos_drm_crtc *crtc) } /* enable vsync interrupt */ - mixer_reg_writemask(res, MXR_INT_EN, MXR_INT_EN_VSYNC, - MXR_INT_EN_VSYNC); + mixer_reg_writemask(res, MXR_INT_STATUS, ~0, MXR_INT_CLEAR_VSYNC); + mixer_reg_writemask(res, MXR_INT_EN, ~0, MXR_INT_EN_VSYNC); return 0; } @@ -918,7 +917,13 @@ static void mixer_disable_vblank(struct exynos_drm_crtc *crtc) struct mixer_context *mixer_ctx = crtc->ctx; struct mixer_resources *res = &mixer_ctx->mixer_res; + if (!mixer_ctx->powered) { + mixer_ctx->int_en &= MXR_INT_EN_VSYNC; + return; + } + /* disable vsync interrupt */ + mixer_reg_writemask(res, MXR_INT_STATUS, ~0, MXR_INT_CLEAR_VSYNC); mixer_reg_writemask(res, MXR_INT_EN, 0, MXR_INT_EN_VSYNC); } @@ -1047,6 +1052,8 @@ static void mixer_enable(struct exynos_drm_crtc *crtc) mixer_reg_writemask(res, MXR_STATUS, ~0, MXR_STATUS_SOFT_RESET); + if (ctx->int_en & MXR_INT_EN_VSYNC) + mixer_reg_writemask(res, MXR_INT_STATUS, ~0, MXR_INT_CLEAR_VSYNC); mixer_reg_write(res, MXR_INT_EN, ctx->int_en); mixer_win_reset(ctx); } diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index fe1599d75f14..424228be79ae 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -606,8 +606,6 @@ static void tda998x_write_if(struct tda998x_priv *priv, uint8_t bit, uint16_t addr, uint8_t *buf, size_t size) { - buf[PB(0)] = tda998x_cksum(buf, size); - reg_clear(priv, REG_DIP_IF_FLAGS, bit); reg_write_range(priv, addr, buf, size); reg_set(priv, REG_DIP_IF_FLAGS, bit); @@ -627,6 +625,8 @@ tda998x_write_aif(struct tda998x_priv *priv, struct tda998x_encoder_params *p) buf[PB(4)] = p->audio_frame[4]; buf[PB(5)] = p->audio_frame[5] & 0xf8; /* DM_INH + LSV */ + buf[PB(0)] = tda998x_cksum(buf, sizeof(buf)); + tda998x_write_if(priv, DIP_IF_FLAGS_IF4, REG_IF4_HB0, buf, sizeof(buf)); } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 542fac628b28..fd1de451c8c6 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -826,6 +826,7 @@ struct intel_context { struct kref ref; int user_handle; uint8_t remap_slice; + struct drm_i915_private *i915; struct drm_i915_file_private *file_priv; struct i915_ctx_hang_stats hang_stats; struct i915_hw_ppgtt *ppgtt; @@ -2036,8 +2037,6 @@ struct drm_i915_gem_object { unsigned int cache_level:3; unsigned int cache_dirty:1; - unsigned int has_dma_mapping:1; - unsigned int frontbuffer_bits:INTEL_FRONTBUFFER_BITS; unsigned int pin_display; @@ -3116,7 +3115,8 @@ void i915_debugfs_cleanup(struct drm_minor *minor); int i915_debugfs_connector_add(struct drm_connector *connector); void intel_display_crc_init(struct drm_device *dev); #else -static inline int i915_debugfs_connector_add(struct drm_connector *connector) {} +static inline int i915_debugfs_connector_add(struct drm_connector *connector) +{ return 0; } static inline void intel_display_crc_init(struct drm_device *dev) {} #endif @@ -3303,15 +3303,14 @@ int intel_freq_opcode(struct drm_i915_private *dev_priv, int val); #define I915_READ64(reg) dev_priv->uncore.funcs.mmio_readq(dev_priv, (reg), true) #define I915_READ64_2x32(lower_reg, upper_reg) ({ \ - u32 upper = I915_READ(upper_reg); \ - u32 lower = I915_READ(lower_reg); \ - u32 tmp = I915_READ(upper_reg); \ - if (upper != tmp) { \ - upper = tmp; \ - lower = I915_READ(lower_reg); \ - WARN_ON(I915_READ(upper_reg) != upper); \ - } \ - (u64)upper << 32 | lower; }) + u32 upper, lower, tmp; \ + tmp = I915_READ(upper_reg); \ + do { \ + upper = tmp; \ + lower = I915_READ(lower_reg); \ + tmp = I915_READ(upper_reg); \ + } while (upper != tmp); \ + (u64)upper << 32 | lower; }) #define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg) #define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 248fd1ac7b3a..52b446b27b4d 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -213,7 +213,6 @@ i915_gem_object_get_pages_phys(struct drm_i915_gem_object *obj) sg_dma_len(sg) = obj->base.size; obj->pages = st; - obj->has_dma_mapping = true; return 0; } @@ -265,8 +264,6 @@ i915_gem_object_put_pages_phys(struct drm_i915_gem_object *obj) sg_free_table(obj->pages); kfree(obj->pages); - - obj->has_dma_mapping = false; } static void @@ -2139,6 +2136,8 @@ i915_gem_object_put_pages_gtt(struct drm_i915_gem_object *obj) obj->base.read_domains = obj->base.write_domain = I915_GEM_DOMAIN_CPU; } + i915_gem_gtt_finish_object(obj); + if (i915_gem_object_needs_bit17_swizzle(obj)) i915_gem_object_save_bit_17_swizzle(obj); @@ -2199,6 +2198,7 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) struct sg_page_iter sg_iter; struct page *page; unsigned long last_pfn = 0; /* suppress gcc warning */ + int ret; gfp_t gfp; /* Assert that the object is not currently in any GPU domain. As it @@ -2246,8 +2246,10 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) */ i915_gem_shrink_all(dev_priv); page = shmem_read_mapping_page(mapping, i); - if (IS_ERR(page)) + if (IS_ERR(page)) { + ret = PTR_ERR(page); goto err_pages; + } } #ifdef CONFIG_SWIOTLB if (swiotlb_nr_tbl()) { @@ -2276,6 +2278,10 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) sg_mark_end(sg); obj->pages = st; + ret = i915_gem_gtt_prepare_object(obj); + if (ret) + goto err_pages; + if (i915_gem_object_needs_bit17_swizzle(obj)) i915_gem_object_do_bit_17_swizzle(obj); @@ -2300,10 +2306,10 @@ err_pages: * space and so want to translate the error from shmemfs back to our * usual understanding of ENOMEM. */ - if (PTR_ERR(page) == -ENOSPC) - return -ENOMEM; - else - return PTR_ERR(page); + if (ret == -ENOSPC) + ret = -ENOMEM; + + return ret; } /* Ensure that the associated pages are gathered from the backing storage @@ -2542,6 +2548,7 @@ int __i915_add_request(struct intel_engine_cs *ring, } request->emitted_jiffies = jiffies; + ring->last_submitted_seqno = request->seqno; list_add_tail(&request->list, &ring->request_list); request->file_priv = NULL; @@ -3247,10 +3254,8 @@ int i915_vma_unbind(struct i915_vma *vma) /* Since the unbound list is global, only move to that list if * no more VMAs exist. */ - if (list_empty(&obj->vma_list)) { - i915_gem_gtt_finish_object(obj); + if (list_empty(&obj->vma_list)) list_move_tail(&obj->global_list, &dev_priv->mm.unbound_list); - } /* And finally now the object is completely decoupled from this vma, * we can drop its hold on the backing storage and allow it to be @@ -3768,22 +3773,16 @@ search_free: goto err_remove_node; } - ret = i915_gem_gtt_prepare_object(obj); - if (ret) - goto err_remove_node; - trace_i915_vma_bind(vma, flags); ret = i915_vma_bind(vma, obj->cache_level, flags); if (ret) - goto err_finish_gtt; + goto err_remove_node; list_move_tail(&obj->global_list, &dev_priv->mm.bound_list); list_add_tail(&vma->mm_list, &vm->inactive_list); return vma; -err_finish_gtt: - i915_gem_gtt_finish_object(obj); err_remove_node: drm_mm_remove_node(&vma->node); err_free_vma: diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 8867818b1401..48afa777e94a 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -135,8 +135,7 @@ static int get_context_size(struct drm_device *dev) void i915_gem_context_free(struct kref *ctx_ref) { - struct intel_context *ctx = container_of(ctx_ref, - typeof(*ctx), ref); + struct intel_context *ctx = container_of(ctx_ref, typeof(*ctx), ref); trace_i915_context_free(ctx); @@ -157,9 +156,7 @@ i915_gem_alloc_context_obj(struct drm_device *dev, size_t size) struct drm_i915_gem_object *obj; int ret; - obj = i915_gem_object_create_stolen(dev, size); - if (obj == NULL) - obj = i915_gem_alloc_object(dev, size); + obj = i915_gem_alloc_object(dev, size); if (obj == NULL) return ERR_PTR(-ENOMEM); @@ -197,6 +194,7 @@ __create_hw_context(struct drm_device *dev, kref_init(&ctx->ref); list_add_tail(&ctx->link, &dev_priv->context_list); + ctx->i915 = dev_priv; if (dev_priv->hw_context_size) { struct drm_i915_gem_object *obj = diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c index 7998da27c500..e9c2bfd85b52 100644 --- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c @@ -256,7 +256,6 @@ static int i915_gem_object_get_pages_dmabuf(struct drm_i915_gem_object *obj) return PTR_ERR(sg); obj->pages = sg; - obj->has_dma_mapping = true; return 0; } @@ -264,7 +263,6 @@ static void i915_gem_object_put_pages_dmabuf(struct drm_i915_gem_object *obj) { dma_buf_unmap_attachment(obj->base.import_attach, obj->pages, DMA_BIDIRECTIONAL); - obj->has_dma_mapping = false; } static const struct drm_i915_gem_object_ops i915_gem_object_dmabuf_ops = { diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 9daa2883ac18..31e8269e6e3d 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1723,9 +1723,6 @@ void i915_gem_suspend_gtt_mappings(struct drm_device *dev) int i915_gem_gtt_prepare_object(struct drm_i915_gem_object *obj) { - if (obj->has_dma_mapping) - return 0; - if (!dma_map_sg(&obj->base.dev->pdev->dev, obj->pages->sgl, obj->pages->nents, PCI_DMA_BIDIRECTIONAL)) @@ -1926,6 +1923,17 @@ static int ggtt_bind_vma(struct i915_vma *vma, vma->vm->insert_entries(vma->vm, pages, vma->node.start, cache_level, pte_flags); + + /* Note the inconsistency here is due to absence of the + * aliasing ppgtt on gen4 and earlier. Though we always + * request PIN_USER for execbuffer (translated to LOCAL_BIND), + * without the appgtt, we cannot honour that request and so + * must substitute it with a global binding. Since we do this + * behind the upper layers back, we need to explicitly set + * the bound flag ourselves. + */ + vma->bound |= GLOBAL_BIND; + } if (dev_priv->mm.aliasing_ppgtt && flags & LOCAL_BIND) { @@ -1972,10 +1980,8 @@ void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj) interruptible = do_idling(dev_priv); - if (!obj->has_dma_mapping) - dma_unmap_sg(&dev->pdev->dev, - obj->pages->sgl, obj->pages->nents, - PCI_DMA_BIDIRECTIONAL); + dma_unmap_sg(&dev->pdev->dev, obj->pages->sgl, obj->pages->nents, + PCI_DMA_BIDIRECTIONAL); undo_idling(dev_priv, interruptible); } @@ -2546,6 +2552,8 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj; struct i915_address_space *vm; + struct i915_vma *vma; + bool flush; i915_check_and_clear_faults(dev); @@ -2555,16 +2563,23 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev) dev_priv->gtt.base.total, true); + /* Cache flush objects bound into GGTT and rebind them. */ + vm = &dev_priv->gtt.base; list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { - struct i915_vma *vma = i915_gem_obj_to_vma(obj, - &dev_priv->gtt.base); - if (!vma) - continue; + flush = false; + list_for_each_entry(vma, &obj->vma_list, vma_link) { + if (vma->vm != vm) + continue; - i915_gem_clflush_object(obj, obj->pin_display); - WARN_ON(i915_vma_bind(vma, obj->cache_level, PIN_UPDATE)); - } + WARN_ON(i915_vma_bind(vma, obj->cache_level, + PIN_UPDATE)); + flush = true; + } + + if (flush) + i915_gem_clflush_object(obj, obj->pin_display); + } if (INTEL_INFO(dev)->gen >= 8) { if (IS_CHERRYVIEW(dev) || IS_BROXTON(dev)) diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 348ed5abcdbf..8b5b784c62fe 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -416,7 +416,6 @@ _i915_gem_object_create_stolen(struct drm_device *dev, if (obj->pages == NULL) goto cleanup; - obj->has_dma_mapping = true; i915_gem_object_pin_pages(obj); obj->stolen = stolen; diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index 633bd1fcab69..d19c9db5e18c 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -464,7 +464,10 @@ i915_gem_get_tiling(struct drm_device *dev, void *data, } /* Hide bit 17 from the user -- see comment in i915_gem_set_tiling */ - args->phys_swizzle_mode = args->swizzle_mode; + if (dev_priv->quirks & QUIRK_PIN_SWIZZLED_PAGES) + args->phys_swizzle_mode = I915_BIT_6_SWIZZLE_UNKNOWN; + else + args->phys_swizzle_mode = args->swizzle_mode; if (args->swizzle_mode == I915_BIT_6_SWIZZLE_9_17) args->swizzle_mode = I915_BIT_6_SWIZZLE_9; if (args->swizzle_mode == I915_BIT_6_SWIZZLE_9_10_17) diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c index 1f4e5a32a16e..8fd431bcdfd3 100644 --- a/drivers/gpu/drm/i915/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/i915_gem_userptr.c @@ -545,6 +545,26 @@ err: return ret; } +static int +__i915_gem_userptr_set_pages(struct drm_i915_gem_object *obj, + struct page **pvec, int num_pages) +{ + int ret; + + ret = st_set_pages(&obj->pages, pvec, num_pages); + if (ret) + return ret; + + ret = i915_gem_gtt_prepare_object(obj); + if (ret) { + sg_free_table(obj->pages); + kfree(obj->pages); + obj->pages = NULL; + } + + return ret; +} + static void __i915_gem_userptr_get_pages_worker(struct work_struct *_work) { @@ -584,9 +604,12 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work) if (obj->userptr.work != &work->work) { ret = 0; } else if (pinned == num_pages) { - ret = st_set_pages(&obj->pages, pvec, num_pages); + ret = __i915_gem_userptr_set_pages(obj, pvec, num_pages); if (ret == 0) { list_add_tail(&obj->global_list, &to_i915(dev)->mm.unbound_list); + obj->get_page.sg = obj->pages->sgl; + obj->get_page.last = 0; + pinned = 0; } } @@ -693,7 +716,7 @@ i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj) } } } else { - ret = st_set_pages(&obj->pages, pvec, num_pages); + ret = __i915_gem_userptr_set_pages(obj, pvec, num_pages); if (ret == 0) { obj->userptr.work = NULL; pinned = 0; @@ -715,6 +738,8 @@ i915_gem_userptr_put_pages(struct drm_i915_gem_object *obj) if (obj->madv != I915_MADV_WILLNEED) obj->dirty = 0; + i915_gem_gtt_finish_object(obj); + for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) { struct page *page = sg_page_iter_page(&sg_iter); diff --git a/drivers/gpu/drm/i915/i915_ioc32.c b/drivers/gpu/drm/i915/i915_ioc32.c index 176de6322e4d..23aa04cded6b 100644 --- a/drivers/gpu/drm/i915/i915_ioc32.c +++ b/drivers/gpu/drm/i915/i915_ioc32.c @@ -204,7 +204,7 @@ long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) drm_ioctl_compat_t *fn = NULL; int ret; - if (nr < DRM_COMMAND_BASE) + if (nr < DRM_COMMAND_BASE || nr >= DRM_COMMAND_END) return drm_compat_ioctl(filp, cmd, arg); if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(i915_compat_ioctls)) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index e6bb72dca3ff..984e2fe6688c 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2706,18 +2706,11 @@ static void gen8_disable_vblank(struct drm_device *dev, int pipe) spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } -static struct drm_i915_gem_request * -ring_last_request(struct intel_engine_cs *ring) -{ - return list_entry(ring->request_list.prev, - struct drm_i915_gem_request, list); -} - static bool -ring_idle(struct intel_engine_cs *ring) +ring_idle(struct intel_engine_cs *ring, u32 seqno) { return (list_empty(&ring->request_list) || - i915_gem_request_completed(ring_last_request(ring), false)); + i915_seqno_passed(seqno, ring->last_submitted_seqno)); } static bool @@ -2939,7 +2932,7 @@ static void i915_hangcheck_elapsed(struct work_struct *work) acthd = intel_ring_get_active_head(ring); if (ring->hangcheck.seqno == seqno) { - if (ring_idle(ring)) { + if (ring_idle(ring, seqno)) { ring->hangcheck.action = HANGCHECK_IDLE; if (waitqueue_active(&ring->irq_queue)) { diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h index 497cba5deb1e..849a2590e010 100644 --- a/drivers/gpu/drm/i915/i915_trace.h +++ b/drivers/gpu/drm/i915/i915_trace.h @@ -727,7 +727,7 @@ DECLARE_EVENT_CLASS(i915_context, TP_fast_assign( __entry->ctx = ctx; __entry->vm = ctx->ppgtt ? &ctx->ppgtt->base : NULL; - __entry->dev = ctx->file_priv->dev_priv->dev->primary->index; + __entry->dev = ctx->i915->dev->primary->index; ), TP_printk("dev=%u, ctx=%p, ctx_vm=%p", diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c index 7ed8033aae60..8e35e0d013df 100644 --- a/drivers/gpu/drm/i915/intel_atomic.c +++ b/drivers/gpu/drm/i915/intel_atomic.c @@ -129,8 +129,9 @@ int intel_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, bool async) { - int ret; - int i; + struct drm_crtc_state *crtc_state; + struct drm_crtc *crtc; + int ret, i; if (async) { DRM_DEBUG_KMS("i915 does not yet support async commit\n"); @@ -142,48 +143,18 @@ int intel_atomic_commit(struct drm_device *dev, return ret; /* Point of no return */ - - /* - * FIXME: The proper sequence here will eventually be: - * - * drm_atomic_helper_swap_state(dev, state) - * drm_atomic_helper_commit_modeset_disables(dev, state); - * drm_atomic_helper_commit_planes(dev, state); - * drm_atomic_helper_commit_modeset_enables(dev, state); - * drm_atomic_helper_wait_for_vblanks(dev, state); - * drm_atomic_helper_cleanup_planes(dev, state); - * drm_atomic_state_free(state); - * - * once we have full atomic modeset. For now, just manually update - * plane states to avoid clobbering good states with dummy states - * while nuclear pageflipping. - */ - for (i = 0; i < dev->mode_config.num_total_plane; i++) { - struct drm_plane *plane = state->planes[i]; - - if (!plane) - continue; - - plane->state->state = state; - swap(state->plane_states[i], plane->state); - plane->state->state = NULL; - } + drm_atomic_helper_swap_state(dev, state); /* swap crtc_scaler_state */ - for (i = 0; i < dev->mode_config.num_crtc; i++) { - struct drm_crtc *crtc = state->crtcs[i]; - if (!crtc) { - continue; - } - - to_intel_crtc(crtc)->config->scaler_state = - to_intel_crtc_state(state->crtc_states[i])->scaler_state; + for_each_crtc_in_state(state, crtc, crtc_state, i) { + to_intel_crtc(crtc)->config = to_intel_crtc_state(crtc->state); if (INTEL_INFO(dev)->gen >= 9) skl_detach_scalers(to_intel_crtc(crtc)); + + drm_atomic_helper_commit_planes_on_crtc(crtc_state); } - drm_atomic_helper_commit_planes(dev, state); drm_atomic_helper_wait_for_vblanks(dev, state); drm_atomic_helper_cleanup_planes(dev, state); drm_atomic_state_free(state); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 1b61f9810387..87476ff181dd 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4854,6 +4854,9 @@ static void intel_crtc_disable_planes(struct drm_crtc *crtc) struct intel_plane *intel_plane; int pipe = intel_crtc->pipe; + if (!intel_crtc->active) + return; + intel_crtc_wait_for_pending_flips(crtc); intel_pre_disable_primary(crtc); @@ -6312,9 +6315,6 @@ static void intel_crtc_disable(struct drm_crtc *crtc) struct drm_connector *connector; struct drm_i915_private *dev_priv = dev->dev_private; - /* crtc should still be enabled when we disable it. */ - WARN_ON(!crtc->state->enable); - intel_crtc_disable_planes(crtc); dev_priv->display.crtc_disable(crtc); dev_priv->display.off(crtc); @@ -7887,7 +7887,7 @@ static void chv_crtc_clock_get(struct intel_crtc *crtc, int pipe = pipe_config->cpu_transcoder; enum dpio_channel port = vlv_pipe_to_channel(pipe); intel_clock_t clock; - u32 cmn_dw13, pll_dw0, pll_dw1, pll_dw2; + u32 cmn_dw13, pll_dw0, pll_dw1, pll_dw2, pll_dw3; int refclk = 100000; mutex_lock(&dev_priv->sb_lock); @@ -7895,10 +7895,13 @@ static void chv_crtc_clock_get(struct intel_crtc *crtc, pll_dw0 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW0(port)); pll_dw1 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW1(port)); pll_dw2 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW2(port)); + pll_dw3 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW3(port)); mutex_unlock(&dev_priv->sb_lock); clock.m1 = (pll_dw1 & 0x7) == DPIO_CHV_M1_DIV_BY_2 ? 2 : 0; - clock.m2 = ((pll_dw0 & 0xff) << 22) | (pll_dw2 & 0x3fffff); + clock.m2 = (pll_dw0 & 0xff) << 22; + if (pll_dw3 & DPIO_CHV_FRAC_DIV_EN) + clock.m2 |= pll_dw2 & 0x3fffff; clock.n = (pll_dw1 >> DPIO_CHV_N_DIV_SHIFT) & 0xf; clock.p1 = (cmn_dw13 >> DPIO_CHV_P1_DIV_SHIFT) & 0x7; clock.p2 = (cmn_dw13 >> DPIO_CHV_P2_DIV_SHIFT) & 0x1f; @@ -11823,7 +11826,9 @@ encoder_retry: goto encoder_retry; } - pipe_config->dither = pipe_config->pipe_bpp != base_bpp; + /* Dithering seems to not pass-through bits correctly when it should, so + * only enable it on 6bpc panels. */ + pipe_config->dither = pipe_config->pipe_bpp == 6*3; DRM_DEBUG_KMS("plane bpp: %i, pipe bpp: %i, dithering: %i\n", base_bpp, pipe_config->pipe_bpp, pipe_config->dither); @@ -12585,7 +12590,8 @@ static int __intel_set_mode(struct drm_crtc *modeset_crtc, continue; if (!crtc_state->enable) { - intel_crtc_disable(crtc); + if (crtc->state->enable) + intel_crtc_disable(crtc); } else if (crtc->state->enable) { intel_crtc_disable_planes(crtc); dev_priv->display.crtc_disable(crtc); @@ -12620,17 +12626,17 @@ static int __intel_set_mode(struct drm_crtc *modeset_crtc, modeset_update_crtc_power_domains(state); - drm_atomic_helper_commit_planes(dev, state); - /* Now enable the clocks, plane, pipe, and connectors that we set up. */ for_each_crtc_in_state(state, crtc, crtc_state, i) { - if (!needs_modeset(crtc->state) || !crtc->state->enable) + if (!needs_modeset(crtc->state) || !crtc->state->enable) { + drm_atomic_helper_commit_planes_on_crtc(crtc_state); continue; + } update_scanline_offset(to_intel_crtc(crtc)); dev_priv->display.crtc_enable(crtc); - intel_crtc_enable_planes(crtc); + drm_atomic_helper_commit_planes_on_crtc(crtc_state); } /* FIXME: add subpixel order */ @@ -12887,20 +12893,11 @@ intel_modeset_stage_output_state(struct drm_device *dev, return 0; } -static bool primary_plane_visible(struct drm_crtc *crtc) -{ - struct intel_plane_state *plane_state = - to_intel_plane_state(crtc->primary->state); - - return plane_state->visible; -} - static int intel_crtc_set_config(struct drm_mode_set *set) { struct drm_device *dev; struct drm_atomic_state *state = NULL; struct intel_crtc_state *pipe_config; - bool primary_plane_was_visible; int ret; BUG_ON(!set); @@ -12939,38 +12936,8 @@ static int intel_crtc_set_config(struct drm_mode_set *set) intel_update_pipe_size(to_intel_crtc(set->crtc)); - primary_plane_was_visible = primary_plane_visible(set->crtc); - ret = intel_set_mode_with_config(set->crtc, pipe_config, true); - if (ret == 0 && - pipe_config->base.enable && - pipe_config->base.planes_changed && - !needs_modeset(&pipe_config->base)) { - struct intel_crtc *intel_crtc = to_intel_crtc(set->crtc); - - /* - * We need to make sure the primary plane is re-enabled if it - * has previously been turned off. - */ - if (ret == 0 && !primary_plane_was_visible && - primary_plane_visible(set->crtc)) { - WARN_ON(!intel_crtc->active); - intel_post_enable_primary(set->crtc); - } - - /* - * In the fastboot case this may be our only check of the - * state after boot. It would be better to only do it on - * the first update, but we don't have a nice way of doing that - * (and really, set_config isn't used much for high freq page - * flipping, so increasing its cost here shouldn't be a big - * deal). - */ - if (i915.fastboot && ret == 0) - intel_modeset_check_state(set->crtc->dev); - } - if (ret) { DRM_DEBUG_KMS("failed to set mode on [CRTC:%d], err = %d\n", set->crtc->base.id, ret); @@ -13270,7 +13237,7 @@ intel_check_primary_plane(struct drm_plane *plane, if (ret) return ret; - if (intel_crtc->active) { + if (crtc_state ? crtc_state->base.active : intel_crtc->active) { struct intel_plane_state *old_state = to_intel_plane_state(plane->state); @@ -13301,6 +13268,9 @@ intel_check_primary_plane(struct drm_plane *plane, */ if (IS_BROADWELL(dev)) intel_crtc->atomic.wait_vblank = true; + + if (crtc_state) + intel_crtc->atomic.post_enable_primary = true; } /* @@ -13313,6 +13283,10 @@ intel_check_primary_plane(struct drm_plane *plane, if (!state->visible || !fb) intel_crtc->atomic.disable_ips = true; + if (!state->visible && old_state->visible && + crtc_state && !needs_modeset(&crtc_state->base)) + intel_crtc->atomic.pre_disable_primary = true; + intel_crtc->atomic.fb_bits |= INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe); @@ -15030,6 +15004,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) struct intel_plane_state *plane_state; memset(crtc->config, 0, sizeof(*crtc->config)); + crtc->config->base.crtc = &crtc->base; crtc->config->quirks |= PIPE_CONFIG_QUIRK_INHERITED_MODE; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 6e8faa253792..1df0e1fe235f 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -93,9 +93,6 @@ static const struct dp_link_dpll chv_dpll[] = { static const int skl_rates[] = { 162000, 216000, 270000, 324000, 432000, 540000 }; -static const int chv_rates[] = { 162000, 202500, 210000, 216000, - 243000, 270000, 324000, 405000, - 420000, 432000, 540000 }; static const int default_rates[] = { 162000, 270000, 540000 }; /** @@ -1169,24 +1166,31 @@ intel_dp_sink_rates(struct intel_dp *intel_dp, const int **sink_rates) return (intel_dp_max_link_bw(intel_dp) >> 3) + 1; } +static bool intel_dp_source_supports_hbr2(struct drm_device *dev) +{ + /* WaDisableHBR2:skl */ + if (IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0) + return false; + + if ((IS_HASWELL(dev) && !IS_HSW_ULX(dev)) || IS_BROADWELL(dev) || + (INTEL_INFO(dev)->gen >= 9)) + return true; + else + return false; +} + static int intel_dp_source_rates(struct drm_device *dev, const int **source_rates) { if (IS_SKYLAKE(dev)) { *source_rates = skl_rates; return ARRAY_SIZE(skl_rates); - } else if (IS_CHERRYVIEW(dev)) { - *source_rates = chv_rates; - return ARRAY_SIZE(chv_rates); } *source_rates = default_rates; - if (IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0) - /* WaDisableHBR2:skl */ - return (DP_LINK_BW_2_7 >> 3) + 1; - else if (INTEL_INFO(dev)->gen >= 8 || - (IS_HASWELL(dev) && !IS_HSW_ULX(dev))) + /* This depends on the fact that 5.4 is last value in the array */ + if (intel_dp_source_supports_hbr2(dev)) return (DP_LINK_BW_5_4 >> 3) + 1; else return (DP_LINK_BW_2_7 >> 3) + 1; @@ -3941,10 +3945,15 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp) } } - /* Training Pattern 3 support, both source and sink */ + /* Training Pattern 3 support, Intel platforms that support HBR2 alone + * have support for TP3 hence that check is used along with dpcd check + * to ensure TP3 can be enabled. + * SKL < B0: due it's WaDisableHBR2 is the only exception where TP3 is + * supported but still not enabled. + */ if (intel_dp->dpcd[DP_DPCD_REV] >= 0x12 && intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED && - (IS_HASWELL(dev_priv) || INTEL_INFO(dev_priv)->gen >= 8)) { + intel_dp_source_supports_hbr2(dev)) { intel_dp->use_tps3 = true; DRM_DEBUG_KMS("Displayport TPS3 supported\n"); } else diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index 6e4cc5334f47..600afdbef8c9 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -357,6 +357,16 @@ intel_dp_mst_mode_valid(struct drm_connector *connector, return MODE_OK; } +static struct drm_encoder *intel_mst_atomic_best_encoder(struct drm_connector *connector, + struct drm_connector_state *state) +{ + struct intel_connector *intel_connector = to_intel_connector(connector); + struct intel_dp *intel_dp = intel_connector->mst_port; + struct intel_crtc *crtc = to_intel_crtc(state->crtc); + + return &intel_dp->mst_encoders[crtc->pipe]->base.base; +} + static struct drm_encoder *intel_mst_best_encoder(struct drm_connector *connector) { struct intel_connector *intel_connector = to_intel_connector(connector); @@ -367,6 +377,7 @@ static struct drm_encoder *intel_mst_best_encoder(struct drm_connector *connecto static const struct drm_connector_helper_funcs intel_dp_mst_connector_helper_funcs = { .get_modes = intel_dp_mst_get_modes, .mode_valid = intel_dp_mst_mode_valid, + .atomic_best_encoder = intel_mst_atomic_best_encoder, .best_encoder = intel_mst_best_encoder, }; diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 9b74ffae5f5a..7f2161a1ff5d 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1012,6 +1012,8 @@ static int intel_lr_context_pin(struct intel_engine_cs *ring, ret = intel_pin_and_map_ringbuffer_obj(ring->dev, ringbuf); if (ret) goto unpin_ctx_obj; + + ctx_obj->dirty = true; } return ret; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index e539314ae87e..4be66f60504d 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -275,6 +275,13 @@ struct intel_engine_cs { * Do we have some not yet emitted requests outstanding? */ struct drm_i915_gem_request *outstanding_lazy_request; + /** + * Seqno of request most recently submitted to request_list. + * Used exclusively by hang checker to avoid grabbing lock while + * inspecting request list. + */ + u32 last_submitted_seqno; + bool gpu_caches_dirty; wait_queue_head_t irq_queue; diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index a6d8a3ee7750..260389acfb77 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1274,10 +1274,12 @@ int i915_reg_read_ioctl(struct drm_device *dev, struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_reg_read *reg = data; struct register_whitelist const *entry = whitelist; + unsigned size; + u64 offset; int i, ret = 0; for (i = 0; i < ARRAY_SIZE(whitelist); i++, entry++) { - if (entry->offset == reg->offset && + if (entry->offset == (reg->offset & -entry->size) && (1 << INTEL_INFO(dev)->gen & entry->gen_bitmask)) break; } @@ -1285,23 +1287,33 @@ int i915_reg_read_ioctl(struct drm_device *dev, if (i == ARRAY_SIZE(whitelist)) return -EINVAL; + /* We use the low bits to encode extra flags as the register should + * be naturally aligned (and those that are not so aligned merely + * limit the available flags for that register). + */ + offset = entry->offset; + size = entry->size; + size |= reg->offset ^ offset; + intel_runtime_pm_get(dev_priv); - switch (entry->size) { + switch (size) { + case 8 | 1: + reg->val = I915_READ64_2x32(offset, offset+4); + break; case 8: - reg->val = I915_READ64(reg->offset); + reg->val = I915_READ64(offset); break; case 4: - reg->val = I915_READ(reg->offset); + reg->val = I915_READ(offset); break; case 2: - reg->val = I915_READ16(reg->offset); + reg->val = I915_READ16(offset); break; case 1: - reg->val = I915_READ8(reg->offset); + reg->val = I915_READ8(offset); break; default: - MISSING_CASE(entry->size); ret = -EINVAL; goto out; } diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c index 214eceefc981..e671ad369416 100644 --- a/drivers/gpu/drm/imx/imx-tve.c +++ b/drivers/gpu/drm/imx/imx-tve.c @@ -301,7 +301,7 @@ static void imx_tve_encoder_prepare(struct drm_encoder *encoder) switch (tve->mode) { case TVE_MODE_VGA: - imx_drm_set_bus_format_pins(encoder, MEDIA_BUS_FMT_YUV8_1X24, + imx_drm_set_bus_format_pins(encoder, MEDIA_BUS_FMT_GBR888_1X24, tve->hsync_pin, tve->vsync_pin); break; case TVE_MODE_TVOUT: diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index 74a9ce40ddc4..b4deb9cf9d71 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -21,6 +21,7 @@ #include <drm/drm_panel.h> #include <linux/videodev2.h> #include <video/of_display_timing.h> +#include <linux/of_graph.h> #include "imx-drm.h" @@ -208,7 +209,7 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data) { struct drm_device *drm = data; struct device_node *np = dev->of_node; - struct device_node *panel_node; + struct device_node *port; const u8 *edidp; struct imx_parallel_display *imxpd; int ret; @@ -234,11 +235,19 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data) imxpd->bus_format = MEDIA_BUS_FMT_RGB666_1X24_CPADHI; } - panel_node = of_parse_phandle(np, "fsl,panel", 0); - if (panel_node) { - imxpd->panel = of_drm_find_panel(panel_node); - if (!imxpd->panel) - return -EPROBE_DEFER; + /* port@1 is the output port */ + port = of_graph_get_port_by_id(np, 1); + if (port) { + struct device_node *endpoint, *remote; + + endpoint = of_get_child_by_name(port, "endpoint"); + if (endpoint) { + remote = of_graph_get_remote_port_parent(endpoint); + if (remote) + imxpd->panel = of_drm_find_panel(remote); + if (!imxpd->panel) + return -EPROBE_DEFER; + } } imxpd->dev = dev; diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c index 0d1dbb737933..247a424445f7 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c @@ -220,13 +220,15 @@ static int mdp4_plane_mode_set(struct drm_plane *plane, uint32_t op_mode = 0; uint32_t phasex_step = MDP4_VG_PHASE_STEP_DEFAULT; uint32_t phasey_step = MDP4_VG_PHASE_STEP_DEFAULT; - enum mdp4_frame_format frame_type = mdp4_get_frame_format(fb); + enum mdp4_frame_format frame_type; if (!(crtc && fb)) { DBG("%s: disabled!", mdp4_plane->name); return 0; } + frame_type = mdp4_get_frame_format(fb); + /* src values are in Q16 fixed point, convert to integer: */ src_x = src_x >> 16; src_y = src_y >> 16; diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c index 206f758f7d64..e253db5de5aa 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c @@ -76,7 +76,20 @@ static void mdp5_prepare_commit(struct msm_kms *kms, struct drm_atomic_state *st static void mdp5_complete_commit(struct msm_kms *kms, struct drm_atomic_state *state) { + int i; struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms)); + int nplanes = mdp5_kms->dev->mode_config.num_total_plane; + + for (i = 0; i < nplanes; i++) { + struct drm_plane *plane = state->planes[i]; + struct drm_plane_state *plane_state = state->plane_states[i]; + + if (!plane) + continue; + + mdp5_plane_complete_commit(plane, plane_state); + } + mdp5_disable(mdp5_kms); } diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h index e0eb24587c84..e79ac09b7216 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h @@ -227,6 +227,8 @@ void mdp5_plane_install_properties(struct drm_plane *plane, struct drm_mode_object *obj); uint32_t mdp5_plane_get_flush(struct drm_plane *plane); void mdp5_plane_complete_flip(struct drm_plane *plane); +void mdp5_plane_complete_commit(struct drm_plane *plane, + struct drm_plane_state *state); enum mdp5_pipe mdp5_plane_pipe(struct drm_plane *plane); struct drm_plane *mdp5_plane_init(struct drm_device *dev, enum mdp5_pipe pipe, bool private_plane, uint32_t reg_offset); diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c index 57b8f56ae9d0..22275568ab8b 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c @@ -31,8 +31,6 @@ struct mdp5_plane { uint32_t nformats; uint32_t formats[32]; - - bool enabled; }; #define to_mdp5_plane(x) container_of(x, struct mdp5_plane, base) @@ -56,22 +54,6 @@ static bool plane_enabled(struct drm_plane_state *state) return state->fb && state->crtc; } -static int mdp5_plane_disable(struct drm_plane *plane) -{ - struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane); - struct mdp5_kms *mdp5_kms = get_kms(plane); - enum mdp5_pipe pipe = mdp5_plane->pipe; - - DBG("%s: disable", mdp5_plane->name); - - if (mdp5_kms) { - /* Release the memory we requested earlier from the SMP: */ - mdp5_smp_release(mdp5_kms->smp, pipe); - } - - return 0; -} - static void mdp5_plane_destroy(struct drm_plane *plane) { struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane); @@ -224,7 +206,6 @@ static void mdp5_plane_atomic_update(struct drm_plane *plane, if (!plane_enabled(state)) { to_mdp5_plane_state(state)->pending = true; - mdp5_plane_disable(plane); } else if (to_mdp5_plane_state(state)->mode_changed) { int ret; to_mdp5_plane_state(state)->pending = true; @@ -602,6 +583,20 @@ uint32_t mdp5_plane_get_flush(struct drm_plane *plane) return mdp5_plane->flush_mask; } +/* called after vsync in thread context */ +void mdp5_plane_complete_commit(struct drm_plane *plane, + struct drm_plane_state *state) +{ + struct mdp5_kms *mdp5_kms = get_kms(plane); + struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane); + enum mdp5_pipe pipe = mdp5_plane->pipe; + + if (!plane_enabled(plane->state)) { + DBG("%s: free SMP", mdp5_plane->name); + mdp5_smp_release(mdp5_kms->smp, pipe); + } +} + /* initialize plane */ struct drm_plane *mdp5_plane_init(struct drm_device *dev, enum mdp5_pipe pipe, bool private_plane, uint32_t reg_offset) diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c index 16702aecf0df..64a27d86f2f5 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c @@ -34,22 +34,44 @@ * and CANNOT be re-allocated (eg: MMB0 and MMB1 both tied to RGB0). * * For each block that can be dynamically allocated, it can be either - * free, or pending/in-use by a client. The updates happen in three steps: + * free: + * The block is free. + * + * pending: + * The block is allocated to some client and not free. + * + * configured: + * The block is allocated to some client, and assigned to that + * client in MDP5_MDP_SMP_ALLOC registers. + * + * inuse: + * The block is being actively used by a client. + * + * The updates happen in the following steps: * * 1) mdp5_smp_request(): * When plane scanout is setup, calculate required number of - * blocks needed per client, and request. Blocks not inuse or - * pending by any other client are added to client's pending - * set. + * blocks needed per client, and request. Blocks neither inuse nor + * configured nor pending by any other client are added to client's + * pending set. + * For shrinking, blocks in pending but not in configured can be freed + * directly, but those already in configured will be freed later by + * mdp5_smp_commit. * * 2) mdp5_smp_configure(): * As hw is programmed, before FLUSH, MDP5_MDP_SMP_ALLOC registers * are configured for the union(pending, inuse) + * Current pending is copied to configured. + * It is assumed that mdp5_smp_request and mdp5_smp_configure not run + * concurrently for the same pipe. * * 3) mdp5_smp_commit(): - * After next vblank, copy pending -> inuse. Optionally update + * After next vblank, copy configured -> inuse. Optionally update * MDP5_SMP_ALLOC registers if there are newly unused blocks * + * 4) mdp5_smp_release(): + * Must be called after the pipe is disabled and no longer uses any SMB + * * On the next vblank after changes have been committed to hw, the * client's pending blocks become it's in-use blocks (and no-longer * in-use blocks become available to other clients). @@ -77,6 +99,9 @@ struct mdp5_smp { struct mdp5_client_smp_state client_state[MAX_CLIENTS]; }; +static void update_smp_state(struct mdp5_smp *smp, + u32 cid, mdp5_smp_state_t *assigned); + static inline struct mdp5_kms *get_kms(struct mdp5_smp *smp) { @@ -149,7 +174,12 @@ static int smp_request_block(struct mdp5_smp *smp, for (i = cur_nblks; i > nblks; i--) { int blk = find_first_bit(ps->pending, cnt); clear_bit(blk, ps->pending); - /* don't clear in global smp_state until _commit() */ + + /* clear in global smp_state if not in configured + * otherwise until _commit() + */ + if (!test_bit(blk, ps->configured)) + clear_bit(blk, smp->state); } } @@ -223,10 +253,33 @@ int mdp5_smp_request(struct mdp5_smp *smp, enum mdp5_pipe pipe, u32 fmt, u32 wid /* Release SMP blocks for all clients of the pipe */ void mdp5_smp_release(struct mdp5_smp *smp, enum mdp5_pipe pipe) { - int i, nblks; + int i; + unsigned long flags; + int cnt = smp->blk_cnt; + + for (i = 0; i < pipe2nclients(pipe); i++) { + mdp5_smp_state_t assigned; + u32 cid = pipe2client(pipe, i); + struct mdp5_client_smp_state *ps = &smp->client_state[cid]; + + spin_lock_irqsave(&smp->state_lock, flags); + + /* clear hw assignment */ + bitmap_or(assigned, ps->inuse, ps->configured, cnt); + update_smp_state(smp, CID_UNUSED, &assigned); + + /* free to global pool */ + bitmap_andnot(smp->state, smp->state, ps->pending, cnt); + bitmap_andnot(smp->state, smp->state, assigned, cnt); + + /* clear client's infor */ + bitmap_zero(ps->pending, cnt); + bitmap_zero(ps->configured, cnt); + bitmap_zero(ps->inuse, cnt); + + spin_unlock_irqrestore(&smp->state_lock, flags); + } - for (i = 0, nblks = 0; i < pipe2nclients(pipe); i++) - smp_request_block(smp, pipe2client(pipe, i), 0); set_fifo_thresholds(smp, pipe, 0); } @@ -274,12 +327,20 @@ void mdp5_smp_configure(struct mdp5_smp *smp, enum mdp5_pipe pipe) u32 cid = pipe2client(pipe, i); struct mdp5_client_smp_state *ps = &smp->client_state[cid]; - bitmap_or(assigned, ps->inuse, ps->pending, cnt); + /* + * if vblank has not happened since last smp_configure + * skip the configure for now + */ + if (!bitmap_equal(ps->inuse, ps->configured, cnt)) + continue; + + bitmap_copy(ps->configured, ps->pending, cnt); + bitmap_or(assigned, ps->inuse, ps->configured, cnt); update_smp_state(smp, cid, &assigned); } } -/* step #3: after vblank, copy pending -> inuse: */ +/* step #3: after vblank, copy configured -> inuse: */ void mdp5_smp_commit(struct mdp5_smp *smp, enum mdp5_pipe pipe) { int cnt = smp->blk_cnt; @@ -295,7 +356,7 @@ void mdp5_smp_commit(struct mdp5_smp *smp, enum mdp5_pipe pipe) * using, which can be released and made available to other * clients: */ - if (bitmap_andnot(released, ps->inuse, ps->pending, cnt)) { + if (bitmap_andnot(released, ps->inuse, ps->configured, cnt)) { unsigned long flags; spin_lock_irqsave(&smp->state_lock, flags); @@ -306,7 +367,7 @@ void mdp5_smp_commit(struct mdp5_smp *smp, enum mdp5_pipe pipe) update_smp_state(smp, CID_UNUSED, &released); } - bitmap_copy(ps->inuse, ps->pending, cnt); + bitmap_copy(ps->inuse, ps->configured, cnt); } } diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.h index e47179f63585..5b6c2363f592 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.h +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.h @@ -23,6 +23,7 @@ struct mdp5_client_smp_state { mdp5_smp_state_t inuse; + mdp5_smp_state_t configured; mdp5_smp_state_t pending; }; diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index 1b22d8bfe142..1ceb4f22dd89 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.c @@ -283,12 +283,8 @@ int msm_atomic_commit(struct drm_device *dev, timeout = ktime_add_ms(ktime_get(), 1000); - ret = msm_wait_fence_interruptable(dev, c->fence, &timeout); - if (ret) { - WARN_ON(ret); // TODO unswap state back? or?? - commit_destroy(c); - return ret; - } + /* uninterruptible wait */ + msm_wait_fence(dev, c->fence, &timeout, false); complete_commit(c); diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index b7ef56ed8d1c..d3467b115e04 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -637,8 +637,8 @@ static void msm_debugfs_cleanup(struct drm_minor *minor) * Fences: */ -int msm_wait_fence_interruptable(struct drm_device *dev, uint32_t fence, - ktime_t *timeout) +int msm_wait_fence(struct drm_device *dev, uint32_t fence, + ktime_t *timeout , bool interruptible) { struct msm_drm_private *priv = dev->dev_private; int ret; @@ -667,7 +667,12 @@ int msm_wait_fence_interruptable(struct drm_device *dev, uint32_t fence, remaining_jiffies = timespec_to_jiffies(&ts); } - ret = wait_event_interruptible_timeout(priv->fence_event, + if (interruptible) + ret = wait_event_interruptible_timeout(priv->fence_event, + fence_completed(dev, fence), + remaining_jiffies); + else + ret = wait_event_timeout(priv->fence_event, fence_completed(dev, fence), remaining_jiffies); @@ -853,7 +858,7 @@ static int msm_ioctl_wait_fence(struct drm_device *dev, void *data, return -EINVAL; } - return msm_wait_fence_interruptable(dev, args->fence, &timeout); + return msm_wait_fence(dev, args->fence, &timeout, true); } static const struct drm_ioctl_desc msm_ioctls[] = { diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index e7c5ea125d45..4ff0ec9c994b 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -164,8 +164,8 @@ int msm_atomic_commit(struct drm_device *dev, int msm_register_mmu(struct drm_device *dev, struct msm_mmu *mmu); -int msm_wait_fence_interruptable(struct drm_device *dev, uint32_t fence, - ktime_t *timeout); +int msm_wait_fence(struct drm_device *dev, uint32_t fence, + ktime_t *timeout, bool interruptible); int msm_queue_fence_cb(struct drm_device *dev, struct msm_fence_cb *cb, uint32_t fence); void msm_update_fence(struct drm_device *dev, uint32_t fence); diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index f211b80e3a1e..c76cc853b08a 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -460,7 +460,7 @@ int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout) if (op & MSM_PREP_NOSYNC) timeout = NULL; - ret = msm_wait_fence_interruptable(dev, fence, timeout); + ret = msm_wait_fence(dev, fence, timeout, true); } /* TODO cache maintenance */ diff --git a/drivers/gpu/drm/msm/msm_gem_prime.c b/drivers/gpu/drm/msm/msm_gem_prime.c index dd7a7ab603e2..831461bc98a5 100644 --- a/drivers/gpu/drm/msm/msm_gem_prime.c +++ b/drivers/gpu/drm/msm/msm_gem_prime.c @@ -23,8 +23,12 @@ struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj) { struct msm_gem_object *msm_obj = to_msm_bo(obj); - BUG_ON(!msm_obj->sgt); /* should have already pinned! */ - return msm_obj->sgt; + int npages = obj->size >> PAGE_SHIFT; + + if (WARN_ON(!msm_obj->pages)) /* should have already pinned! */ + return NULL; + + return drm_prime_pages_to_sg(msm_obj->pages, npages); } void *msm_gem_prime_vmap(struct drm_gem_object *obj) diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 649024d4daf1..477cbb12809b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -128,6 +128,7 @@ nouveau_cli_destroy(struct nouveau_cli *cli) nvkm_vm_ref(NULL, &nvxx_client(&cli->base)->vm, NULL); nvif_client_fini(&cli->base); usif_client_fini(cli); + kfree(cli); } static void @@ -865,8 +866,10 @@ nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv) pm_runtime_get_sync(dev->dev); + mutex_lock(&cli->mutex); if (cli->abi16) nouveau_abi16_fini(cli->abi16); + mutex_unlock(&cli->mutex); mutex_lock(&drm->client.mutex); list_del(&cli->head); diff --git a/drivers/gpu/drm/nouveau/nouveau_platform.c b/drivers/gpu/drm/nouveau/nouveau_platform.c index 775277f1edb0..dcfbbfaf1739 100644 --- a/drivers/gpu/drm/nouveau/nouveau_platform.c +++ b/drivers/gpu/drm/nouveau/nouveau_platform.c @@ -92,6 +92,8 @@ static int nouveau_platform_power_down(struct nouveau_platform_gpu *gpu) return 0; } +#if IS_ENABLED(CONFIG_IOMMU_API) + static void nouveau_platform_probe_iommu(struct device *dev, struct nouveau_platform_gpu *gpu) { @@ -158,6 +160,20 @@ static void nouveau_platform_remove_iommu(struct device *dev, } } +#else + +static void nouveau_platform_probe_iommu(struct device *dev, + struct nouveau_platform_gpu *gpu) +{ +} + +static void nouveau_platform_remove_iommu(struct device *dev, + struct nouveau_platform_gpu *gpu) +{ +} + +#endif + static int nouveau_platform_probe(struct platform_device *pdev) { struct nouveau_platform_gpu *gpu; diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c index 18f449715788..7464aef34674 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ttm.c +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c @@ -175,15 +175,24 @@ nouveau_gart_manager_new(struct ttm_mem_type_manager *man, node->page_shift = 12; switch (drm->device.info.family) { + case NV_DEVICE_INFO_V0_TNT: + case NV_DEVICE_INFO_V0_CELSIUS: + case NV_DEVICE_INFO_V0_KELVIN: + case NV_DEVICE_INFO_V0_RANKINE: + case NV_DEVICE_INFO_V0_CURIE: + break; case NV_DEVICE_INFO_V0_TESLA: if (drm->device.info.chipset != 0x50) node->memtype = (nvbo->tile_flags & 0x7f00) >> 8; break; case NV_DEVICE_INFO_V0_FERMI: case NV_DEVICE_INFO_V0_KEPLER: + case NV_DEVICE_INFO_V0_MAXWELL: node->memtype = (nvbo->tile_flags & 0xff00) >> 8; break; default: + NV_WARN(drm, "%s: unhandled family type %x\n", __func__, + drm->device.info.family); break; } diff --git a/drivers/gpu/drm/nouveau/nv04_fbcon.c b/drivers/gpu/drm/nouveau/nv04_fbcon.c index 4ef602c5469d..495c57644ced 100644 --- a/drivers/gpu/drm/nouveau/nv04_fbcon.c +++ b/drivers/gpu/drm/nouveau/nv04_fbcon.c @@ -203,7 +203,7 @@ nv04_fbcon_accel_init(struct fb_info *info) if (ret) return ret; - if (RING_SPACE(chan, 49)) { + if (RING_SPACE(chan, 49 + (device->info.chipset >= 0x11 ? 4 : 0))) { nouveau_fbcon_gpu_lockup(info); return 0; } diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 7da7958556a3..981342d142ff 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -979,7 +979,7 @@ nv50_crtc_cursor_show_hide(struct nouveau_crtc *nv_crtc, bool show, bool update) { struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev); - if (show && nv_crtc->cursor.nvbo) + if (show && nv_crtc->cursor.nvbo && nv_crtc->base.enabled) nv50_crtc_cursor_show(nv_crtc); else nv50_crtc_cursor_hide(nv_crtc); diff --git a/drivers/gpu/drm/nouveau/nv50_fbcon.c b/drivers/gpu/drm/nouveau/nv50_fbcon.c index 394c89abcc97..901130b06072 100644 --- a/drivers/gpu/drm/nouveau/nv50_fbcon.c +++ b/drivers/gpu/drm/nouveau/nv50_fbcon.c @@ -188,7 +188,7 @@ nv50_fbcon_accel_init(struct fb_info *info) if (ret) return ret; - ret = RING_SPACE(chan, 59); + ret = RING_SPACE(chan, 58); if (ret) { nouveau_fbcon_gpu_lockup(info); return ret; @@ -252,6 +252,7 @@ nv50_fbcon_accel_init(struct fb_info *info) OUT_RING(chan, info->var.yres_virtual); OUT_RING(chan, upper_32_bits(fb->vma.offset)); OUT_RING(chan, lower_32_bits(fb->vma.offset)); + FIRE_RING(chan); return 0; } diff --git a/drivers/gpu/drm/nouveau/nvc0_fbcon.c b/drivers/gpu/drm/nouveau/nvc0_fbcon.c index 61246677e8dc..fcd2e5f27bb9 100644 --- a/drivers/gpu/drm/nouveau/nvc0_fbcon.c +++ b/drivers/gpu/drm/nouveau/nvc0_fbcon.c @@ -188,7 +188,7 @@ nvc0_fbcon_accel_init(struct fb_info *info) return -EINVAL; } - ret = RING_SPACE(chan, 60); + ret = RING_SPACE(chan, 58); if (ret) { WARN_ON(1); nouveau_fbcon_gpu_lockup(info); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c index 9ef6728c528d..7f2f05f78cc8 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c @@ -809,7 +809,7 @@ exec_lookup(struct nv50_disp_priv *priv, int head, int or, u32 ctrl, case 0x00000900: type = DCB_OUTPUT_DP; mask = 2; break; default: nv_error(priv, "unknown SOR mc 0x%08x\n", ctrl); - return 0x0000; + return NULL; } } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c index 5606c25e5d02..ca11ddb6ed46 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c @@ -663,6 +663,37 @@ gf100_gr_zbc_init(struct gf100_gr_priv *priv) gf100_gr_zbc_clear_depth(priv, index); } +/** + * Wait until GR goes idle. GR is considered idle if it is disabled by the + * MC (0x200) register, or GR is not busy and a context switch is not in + * progress. + */ +int +gf100_gr_wait_idle(struct gf100_gr_priv *priv) +{ + unsigned long end_jiffies = jiffies + msecs_to_jiffies(2000); + bool gr_enabled, ctxsw_active, gr_busy; + + do { + /* + * required to make sure FIFO_ENGINE_STATUS (0x2640) is + * up-to-date + */ + nv_rd32(priv, 0x400700); + + gr_enabled = nv_rd32(priv, 0x200) & 0x1000; + ctxsw_active = nv_rd32(priv, 0x2640) & 0x8000; + gr_busy = nv_rd32(priv, 0x40060c) & 0x1; + + if (!gr_enabled || (!gr_busy && !ctxsw_active)) + return 0; + } while (time_before(jiffies, end_jiffies)); + + nv_error(priv, "wait for idle timeout (en: %d, ctxsw: %d, busy: %d)\n", + gr_enabled, ctxsw_active, gr_busy); + return -EAGAIN; +} + void gf100_gr_mmio(struct gf100_gr_priv *priv, const struct gf100_gr_pack *p) { @@ -699,7 +730,13 @@ gf100_gr_icmd(struct gf100_gr_priv *priv, const struct gf100_gr_pack *p) while (addr < next) { nv_wr32(priv, 0x400200, addr); - nv_wait(priv, 0x400700, 0x00000002, 0x00000000); + /** + * Wait for GR to go idle after submitting a + * GO_IDLE bundle + */ + if ((addr & 0xffff) == 0xe100) + gf100_gr_wait_idle(priv); + nv_wait(priv, 0x400700, 0x00000004, 0x00000000); addr += init->pitch; } } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h index 8af1a89eda84..c9533fdac4fc 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h @@ -181,6 +181,7 @@ struct gf100_gr_oclass { int ppc_nr; }; +int gf100_gr_wait_idle(struct gf100_gr_priv *); void gf100_gr_mmio(struct gf100_gr_priv *, const struct gf100_gr_pack *); void gf100_gr_icmd(struct gf100_gr_priv *, const struct gf100_gr_pack *); void gf100_gr_mthd(struct gf100_gr_priv *, const struct gf100_gr_pack *); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c index 2006c445938d..4cf36a3aa814 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c @@ -332,9 +332,12 @@ static void nvkm_perfctx_dtor(struct nvkm_object *object) { struct nvkm_pm *ppm = (void *)object->engine; + struct nvkm_perfctx *ctx = (void *)object; + mutex_lock(&nv_subdev(ppm)->mutex); - nvkm_engctx_destroy(&ppm->context->base); - ppm->context = NULL; + nvkm_engctx_destroy(&ctx->base); + if (ppm->context == ctx) + ppm->context = NULL; mutex_unlock(&nv_subdev(ppm)->mutex); } @@ -355,12 +358,11 @@ nvkm_perfctx_ctor(struct nvkm_object *parent, struct nvkm_object *engine, mutex_lock(&nv_subdev(ppm)->mutex); if (ppm->context == NULL) ppm->context = ctx; - mutex_unlock(&nv_subdev(ppm)->mutex); - if (ctx != ppm->context) - return -EBUSY; + ret = -EBUSY; + mutex_unlock(&nv_subdev(ppm)->mutex); - return 0; + return ret; } struct nvkm_oclass diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c index f67cdae1e90a..f4611e3f0971 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c @@ -1285,6 +1285,44 @@ init_zm_reg_sequence(struct nvbios_init *init) } /** + * INIT_PLL_INDIRECT - opcode 0x59 + * + */ +static void +init_pll_indirect(struct nvbios_init *init) +{ + struct nvkm_bios *bios = init->bios; + u32 reg = nv_ro32(bios, init->offset + 1); + u16 addr = nv_ro16(bios, init->offset + 5); + u32 freq = (u32)nv_ro16(bios, addr) * 1000; + + trace("PLL_INDIRECT\tR[0x%06x] =PLL= VBIOS[%04x] = %dkHz\n", + reg, addr, freq); + init->offset += 7; + + init_prog_pll(init, reg, freq); +} + +/** + * INIT_ZM_REG_INDIRECT - opcode 0x5a + * + */ +static void +init_zm_reg_indirect(struct nvbios_init *init) +{ + struct nvkm_bios *bios = init->bios; + u32 reg = nv_ro32(bios, init->offset + 1); + u16 addr = nv_ro16(bios, init->offset + 5); + u32 data = nv_ro32(bios, addr); + + trace("ZM_REG_INDIRECT\tR[0x%06x] = VBIOS[0x%04x] = 0x%08x\n", + reg, addr, data); + init->offset += 7; + + init_wr32(init, addr, data); +} + +/** * INIT_SUB_DIRECT - opcode 0x5b * */ @@ -2145,6 +2183,8 @@ static struct nvbios_init_opcode { [0x56] = { init_condition_time }, [0x57] = { init_ltime }, [0x58] = { init_zm_reg_sequence }, + [0x59] = { init_pll_indirect }, + [0x5a] = { init_zm_reg_indirect }, [0x5b] = { init_sub_direct }, [0x5c] = { init_jump }, [0x5e] = { init_i2c_if }, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.c b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.c index 822d32a28d6e..065e9f5c8db9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.c @@ -180,7 +180,8 @@ gt215_clk_info(struct nvkm_clk *clock, int clk, u32 khz, struct gt215_clk_info *info) { struct gt215_clk_priv *priv = (void *)clock; - u32 oclk, sclk, sdiv, diff; + u32 oclk, sclk, sdiv; + s32 diff; info->clk = 0; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c index c0fdb89e74ac..24dcdfb58a8d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c @@ -38,6 +38,14 @@ gk20a_ibus_init_priv_ring(struct gk20a_ibus_priv *priv) nv_wr32(priv, 0x12004c, 0x4); nv_wr32(priv, 0x122204, 0x2); nv_rd32(priv, 0x122204); + + /* + * Bug: increase clock timeout to avoid operation failure at high + * gpcclk rate. + */ + nv_wr32(priv, 0x122354, 0x800); + nv_wr32(priv, 0x128328, 0x800); + nv_wr32(priv, 0x124320, 0x800); } static void diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c index 80614f1b2074..282143f49d72 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c @@ -50,7 +50,12 @@ nv04_instobj_dtor(struct nvkm_object *object) { struct nv04_instmem_priv *priv = (void *)nvkm_instmem(object); struct nv04_instobj_priv *node = (void *)object; + struct nvkm_subdev *subdev = (void *)priv; + + mutex_lock(&subdev->mutex); nvkm_mm_free(&priv->heap, &node->mem); + mutex_unlock(&subdev->mutex); + nvkm_instobj_destroy(&node->base); } @@ -62,6 +67,7 @@ nv04_instobj_ctor(struct nvkm_object *parent, struct nvkm_object *engine, struct nv04_instmem_priv *priv = (void *)nvkm_instmem(parent); struct nv04_instobj_priv *node; struct nvkm_instobj_args *args = data; + struct nvkm_subdev *subdev = (void *)priv; int ret; if (!args->align) @@ -72,8 +78,10 @@ nv04_instobj_ctor(struct nvkm_object *parent, struct nvkm_object *engine, if (ret) return ret; + mutex_lock(&subdev->mutex); ret = nvkm_mm_head(&priv->heap, 0, 1, args->size, args->size, args->align, &node->mem); + mutex_unlock(&subdev->mutex); if (ret) return ret; diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c index f2daad8c3d96..7841970de48d 100644 --- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c +++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c @@ -285,7 +285,7 @@ static int dmm_txn_commit(struct dmm_txn *txn, bool wait) if (wait) { if (!wait_for_completion_timeout(&engine->compl, - msecs_to_jiffies(1))) { + msecs_to_jiffies(100))) { dev_err(dmm->dev, "timed out waiting for done\n"); ret = -ETIMEDOUT; } diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h index ae2df41f216f..12081e61d45a 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.h +++ b/drivers/gpu/drm/omapdrm/omap_drv.h @@ -177,7 +177,7 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos); struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p); int omap_framebuffer_pin(struct drm_framebuffer *fb); -int omap_framebuffer_unpin(struct drm_framebuffer *fb); +void omap_framebuffer_unpin(struct drm_framebuffer *fb); void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, struct omap_drm_window *win, struct omap_overlay_info *info); struct drm_connector *omap_framebuffer_get_next_connector( @@ -211,7 +211,7 @@ void omap_gem_dma_sync(struct drm_gem_object *obj, enum dma_data_direction dir); int omap_gem_get_paddr(struct drm_gem_object *obj, dma_addr_t *paddr, bool remap); -int omap_gem_put_paddr(struct drm_gem_object *obj); +void omap_gem_put_paddr(struct drm_gem_object *obj); int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages, bool remap); int omap_gem_put_pages(struct drm_gem_object *obj); @@ -236,7 +236,7 @@ static inline int align_pitch(int pitch, int width, int bpp) /* PVR needs alignment to 8 pixels.. right now that is the most * restrictive stride requirement.. */ - return ALIGN(pitch, 8 * bytespp); + return roundup(pitch, 8 * bytespp); } /* map crtc to vblank mask */ diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c index 0b967e76df1a..51b1219af87f 100644 --- a/drivers/gpu/drm/omapdrm/omap_fb.c +++ b/drivers/gpu/drm/omapdrm/omap_fb.c @@ -287,10 +287,10 @@ fail: } /* unpin, no longer being scanned out: */ -int omap_framebuffer_unpin(struct drm_framebuffer *fb) +void omap_framebuffer_unpin(struct drm_framebuffer *fb) { struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); - int ret, i, n = drm_format_num_planes(fb->pixel_format); + int i, n = drm_format_num_planes(fb->pixel_format); mutex_lock(&omap_fb->lock); @@ -298,24 +298,16 @@ int omap_framebuffer_unpin(struct drm_framebuffer *fb) if (omap_fb->pin_count > 0) { mutex_unlock(&omap_fb->lock); - return 0; + return; } for (i = 0; i < n; i++) { struct plane *plane = &omap_fb->planes[i]; - ret = omap_gem_put_paddr(plane->bo); - if (ret) - goto fail; + omap_gem_put_paddr(plane->bo); plane->paddr = 0; } mutex_unlock(&omap_fb->lock); - - return 0; - -fail: - mutex_unlock(&omap_fb->lock); - return ret; } struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p) diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c index 23b5a84389e3..720d16bce7e8 100644 --- a/drivers/gpu/drm/omapdrm/omap_fbdev.c +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c @@ -135,7 +135,7 @@ static int omap_fbdev_create(struct drm_fb_helper *helper, fbdev->ywrap_enabled = priv->has_dmm && ywrap_enabled; if (fbdev->ywrap_enabled) { /* need to align pitch to page size if using DMM scrolling */ - mode_cmd.pitches[0] = ALIGN(mode_cmd.pitches[0], PAGE_SIZE); + mode_cmd.pitches[0] = PAGE_ALIGN(mode_cmd.pitches[0]); } /* allocate backing bo */ diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c index 2ab77801cf5f..7ed08fdc4c42 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem.c +++ b/drivers/gpu/drm/omapdrm/omap_gem.c @@ -808,10 +808,10 @@ fail: /* Release physical address, when DMA is no longer being performed.. this * could potentially unpin and unmap buffers from TILER */ -int omap_gem_put_paddr(struct drm_gem_object *obj) +void omap_gem_put_paddr(struct drm_gem_object *obj) { struct omap_gem_object *omap_obj = to_omap_bo(obj); - int ret = 0; + int ret; mutex_lock(&obj->dev->struct_mutex); if (omap_obj->paddr_cnt > 0) { @@ -821,7 +821,6 @@ int omap_gem_put_paddr(struct drm_gem_object *obj) if (ret) { dev_err(obj->dev->dev, "could not unpin pages: %d\n", ret); - goto fail; } ret = tiler_release(omap_obj->block); if (ret) { @@ -832,9 +831,8 @@ int omap_gem_put_paddr(struct drm_gem_object *obj) omap_obj->block = NULL; } } -fail: + mutex_unlock(&obj->dev->struct_mutex); - return ret; } /* Get rotated scanout address (only valid if already pinned), at the @@ -1378,11 +1376,7 @@ struct drm_gem_object *omap_gem_new(struct drm_device *dev, omap_obj = kzalloc(sizeof(*omap_obj), GFP_KERNEL); if (!omap_obj) - goto fail; - - spin_lock(&priv->list_lock); - list_add(&omap_obj->mm_list, &priv->obj_list); - spin_unlock(&priv->list_lock); + return NULL; obj = &omap_obj->base; @@ -1392,11 +1386,19 @@ struct drm_gem_object *omap_gem_new(struct drm_device *dev, */ omap_obj->vaddr = dma_alloc_writecombine(dev->dev, size, &omap_obj->paddr, GFP_KERNEL); - if (omap_obj->vaddr) - flags |= OMAP_BO_DMA; + if (!omap_obj->vaddr) { + kfree(omap_obj); + + return NULL; + } + flags |= OMAP_BO_DMA; } + spin_lock(&priv->list_lock); + list_add(&omap_obj->mm_list, &priv->obj_list); + spin_unlock(&priv->list_lock); + omap_obj->flags = flags; if (flags & OMAP_BO_TILED) { diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c index cfa8276c4deb..098904696a5c 100644 --- a/drivers/gpu/drm/omapdrm/omap_plane.c +++ b/drivers/gpu/drm/omapdrm/omap_plane.c @@ -17,6 +17,7 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_plane_helper.h> @@ -153,9 +154,34 @@ static void omap_plane_atomic_disable(struct drm_plane *plane, dispc_ovl_enable(omap_plane->id, false); } +static int omap_plane_atomic_check(struct drm_plane *plane, + struct drm_plane_state *state) +{ + struct drm_crtc_state *crtc_state; + + if (!state->crtc) + return 0; + + crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc); + if (IS_ERR(crtc_state)) + return PTR_ERR(crtc_state); + + if (state->crtc_x < 0 || state->crtc_y < 0) + return -EINVAL; + + if (state->crtc_x + state->crtc_w > crtc_state->adjusted_mode.hdisplay) + return -EINVAL; + + if (state->crtc_y + state->crtc_h > crtc_state->adjusted_mode.vdisplay) + return -EINVAL; + + return 0; +} + static const struct drm_plane_helper_funcs omap_plane_helper_funcs = { .prepare_fb = omap_plane_prepare_fb, .cleanup_fb = omap_plane_cleanup_fb, + .atomic_check = omap_plane_atomic_check, .atomic_update = omap_plane_atomic_update, .atomic_disable = omap_plane_atomic_disable, }; diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index dd39f434b4a7..c3872598b85a 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -2299,8 +2299,7 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder, encoder_mode = atombios_get_encoder_mode(encoder); if (connector && (radeon_audio != 0) && ((encoder_mode == ATOM_ENCODER_MODE_HDMI) || - (ENCODER_MODE_IS_DP(encoder_mode) && - drm_detect_monitor_audio(radeon_connector_edid(connector))))) + ENCODER_MODE_IS_DP(encoder_mode))) radeon_audio_mode_set(encoder, adjusted_mode); } diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 8730562323a8..4a09947be244 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -5818,7 +5818,7 @@ int ci_dpm_init(struct radeon_device *rdev) tmp |= DPM_ENABLED; break; default: - DRM_ERROR("Invalid PCC GPIO: %u!\n", gpio.shift); + DRM_DEBUG("Invalid PCC GPIO: %u!\n", gpio.shift); break; } WREG32_SMC(CNB_PWRMGT_CNTL, tmp); diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 4ecf5caa8c6d..248953d2fdb7 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -7964,23 +7964,27 @@ restart_ih: case 1: /* D1 vblank/vline */ switch (src_data) { case 0: /* D1 vblank */ - if (rdev->irq.stat_regs.cik.disp_int & LB_D1_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[0]) { - drm_handle_vblank(rdev->ddev, 0); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[0])) - radeon_crtc_handle_vblank(rdev, 0); - rdev->irq.stat_regs.cik.disp_int &= ~LB_D1_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D1 vblank\n"); + if (!(rdev->irq.stat_regs.cik.disp_int & LB_D1_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[0]) { + drm_handle_vblank(rdev->ddev, 0); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[0])) + radeon_crtc_handle_vblank(rdev, 0); + rdev->irq.stat_regs.cik.disp_int &= ~LB_D1_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D1 vblank\n"); + break; case 1: /* D1 vline */ - if (rdev->irq.stat_regs.cik.disp_int & LB_D1_VLINE_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int &= ~LB_D1_VLINE_INTERRUPT; - DRM_DEBUG("IH: D1 vline\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int & LB_D1_VLINE_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int &= ~LB_D1_VLINE_INTERRUPT; + DRM_DEBUG("IH: D1 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -7990,23 +7994,27 @@ restart_ih: case 2: /* D2 vblank/vline */ switch (src_data) { case 0: /* D2 vblank */ - if (rdev->irq.stat_regs.cik.disp_int_cont & LB_D2_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[1]) { - drm_handle_vblank(rdev->ddev, 1); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[1])) - radeon_crtc_handle_vblank(rdev, 1); - rdev->irq.stat_regs.cik.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D2 vblank\n"); + if (!(rdev->irq.stat_regs.cik.disp_int_cont & LB_D2_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[1]) { + drm_handle_vblank(rdev->ddev, 1); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[1])) + radeon_crtc_handle_vblank(rdev, 1); + rdev->irq.stat_regs.cik.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D2 vblank\n"); + break; case 1: /* D2 vline */ - if (rdev->irq.stat_regs.cik.disp_int_cont & LB_D2_VLINE_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT; - DRM_DEBUG("IH: D2 vline\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont & LB_D2_VLINE_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT; + DRM_DEBUG("IH: D2 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -8016,23 +8024,27 @@ restart_ih: case 3: /* D3 vblank/vline */ switch (src_data) { case 0: /* D3 vblank */ - if (rdev->irq.stat_regs.cik.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[2]) { - drm_handle_vblank(rdev->ddev, 2); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[2])) - radeon_crtc_handle_vblank(rdev, 2); - rdev->irq.stat_regs.cik.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D3 vblank\n"); + if (!(rdev->irq.stat_regs.cik.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[2]) { + drm_handle_vblank(rdev->ddev, 2); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[2])) + radeon_crtc_handle_vblank(rdev, 2); + rdev->irq.stat_regs.cik.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D3 vblank\n"); + break; case 1: /* D3 vline */ - if (rdev->irq.stat_regs.cik.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT; - DRM_DEBUG("IH: D3 vline\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT; + DRM_DEBUG("IH: D3 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -8042,23 +8054,27 @@ restart_ih: case 4: /* D4 vblank/vline */ switch (src_data) { case 0: /* D4 vblank */ - if (rdev->irq.stat_regs.cik.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[3]) { - drm_handle_vblank(rdev->ddev, 3); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[3])) - radeon_crtc_handle_vblank(rdev, 3); - rdev->irq.stat_regs.cik.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D4 vblank\n"); + if (!(rdev->irq.stat_regs.cik.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[3]) { + drm_handle_vblank(rdev->ddev, 3); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[3])) + radeon_crtc_handle_vblank(rdev, 3); + rdev->irq.stat_regs.cik.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D4 vblank\n"); + break; case 1: /* D4 vline */ - if (rdev->irq.stat_regs.cik.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT; - DRM_DEBUG("IH: D4 vline\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT; + DRM_DEBUG("IH: D4 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -8068,23 +8084,27 @@ restart_ih: case 5: /* D5 vblank/vline */ switch (src_data) { case 0: /* D5 vblank */ - if (rdev->irq.stat_regs.cik.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[4]) { - drm_handle_vblank(rdev->ddev, 4); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[4])) - radeon_crtc_handle_vblank(rdev, 4); - rdev->irq.stat_regs.cik.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D5 vblank\n"); + if (!(rdev->irq.stat_regs.cik.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[4]) { + drm_handle_vblank(rdev->ddev, 4); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[4])) + radeon_crtc_handle_vblank(rdev, 4); + rdev->irq.stat_regs.cik.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D5 vblank\n"); + break; case 1: /* D5 vline */ - if (rdev->irq.stat_regs.cik.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT; - DRM_DEBUG("IH: D5 vline\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT; + DRM_DEBUG("IH: D5 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -8094,23 +8114,27 @@ restart_ih: case 6: /* D6 vblank/vline */ switch (src_data) { case 0: /* D6 vblank */ - if (rdev->irq.stat_regs.cik.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[5]) { - drm_handle_vblank(rdev->ddev, 5); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[5])) - radeon_crtc_handle_vblank(rdev, 5); - rdev->irq.stat_regs.cik.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D6 vblank\n"); + if (!(rdev->irq.stat_regs.cik.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[5]) { + drm_handle_vblank(rdev->ddev, 5); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[5])) + radeon_crtc_handle_vblank(rdev, 5); + rdev->irq.stat_regs.cik.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D6 vblank\n"); + break; case 1: /* D6 vline */ - if (rdev->irq.stat_regs.cik.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT; - DRM_DEBUG("IH: D6 vline\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT; + DRM_DEBUG("IH: D6 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -8130,88 +8154,112 @@ restart_ih: case 42: /* HPD hotplug */ switch (src_data) { case 0: - if (rdev->irq.stat_regs.cik.disp_int & DC_HPD1_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int &= ~DC_HPD1_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD1\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int & DC_HPD1_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int &= ~DC_HPD1_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD1\n"); + break; case 1: - if (rdev->irq.stat_regs.cik.disp_int_cont & DC_HPD2_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont &= ~DC_HPD2_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD2\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont & DC_HPD2_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont &= ~DC_HPD2_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD2\n"); + break; case 2: - if (rdev->irq.stat_regs.cik.disp_int_cont2 & DC_HPD3_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont2 &= ~DC_HPD3_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD3\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont2 & DC_HPD3_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont2 &= ~DC_HPD3_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD3\n"); + break; case 3: - if (rdev->irq.stat_regs.cik.disp_int_cont3 & DC_HPD4_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont3 &= ~DC_HPD4_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD4\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont3 & DC_HPD4_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont3 &= ~DC_HPD4_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD4\n"); + break; case 4: - if (rdev->irq.stat_regs.cik.disp_int_cont4 & DC_HPD5_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont4 &= ~DC_HPD5_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD5\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont4 & DC_HPD5_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont4 &= ~DC_HPD5_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD5\n"); + break; case 5: - if (rdev->irq.stat_regs.cik.disp_int_cont5 & DC_HPD6_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont5 &= ~DC_HPD6_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD6\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont5 & DC_HPD6_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont5 &= ~DC_HPD6_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD6\n"); + break; case 6: - if (rdev->irq.stat_regs.cik.disp_int & DC_HPD1_RX_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int &= ~DC_HPD1_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 1\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int & DC_HPD1_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int &= ~DC_HPD1_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 1\n"); + break; case 7: - if (rdev->irq.stat_regs.cik.disp_int_cont & DC_HPD2_RX_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont &= ~DC_HPD2_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 2\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont & DC_HPD2_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont &= ~DC_HPD2_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 2\n"); + break; case 8: - if (rdev->irq.stat_regs.cik.disp_int_cont2 & DC_HPD3_RX_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont2 &= ~DC_HPD3_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 3\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont2 & DC_HPD3_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont2 &= ~DC_HPD3_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 3\n"); + break; case 9: - if (rdev->irq.stat_regs.cik.disp_int_cont3 & DC_HPD4_RX_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont3 &= ~DC_HPD4_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 4\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont3 & DC_HPD4_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont3 &= ~DC_HPD4_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 4\n"); + break; case 10: - if (rdev->irq.stat_regs.cik.disp_int_cont4 & DC_HPD5_RX_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont4 &= ~DC_HPD5_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 5\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont4 & DC_HPD5_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont4 &= ~DC_HPD5_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 5\n"); + break; case 11: - if (rdev->irq.stat_regs.cik.disp_int_cont5 & DC_HPD6_RX_INTERRUPT) { - rdev->irq.stat_regs.cik.disp_int_cont5 &= ~DC_HPD6_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 6\n"); - } + if (!(rdev->irq.stat_regs.cik.disp_int_cont5 & DC_HPD6_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.cik.disp_int_cont5 &= ~DC_HPD6_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 6\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c index 68fd9fc677e3..44480c1b9738 100644 --- a/drivers/gpu/drm/radeon/dce6_afmt.c +++ b/drivers/gpu/drm/radeon/dce6_afmt.c @@ -93,30 +93,26 @@ void dce6_afmt_select_pin(struct drm_encoder *encoder) struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - u32 offset; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->offset; - - WREG32(AFMT_AUDIO_SRC_CONTROL + offset, - AFMT_AUDIO_SRC_SELECT(dig->afmt->pin->id)); + WREG32(AFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, + AFMT_AUDIO_SRC_SELECT(dig->pin->id)); } void dce6_afmt_write_latency_fields(struct drm_encoder *encoder, - struct drm_connector *connector, struct drm_display_mode *mode) + struct drm_connector *connector, + struct drm_display_mode *mode) { struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - u32 tmp = 0, offset; + u32 tmp = 0; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->pin->offset; - if (mode->flags & DRM_MODE_FLAG_INTERLACE) { if (connector->latency_present[1]) tmp = VIDEO_LIPSYNC(connector->video_latency[1]) | @@ -130,24 +126,24 @@ void dce6_afmt_write_latency_fields(struct drm_encoder *encoder, else tmp = VIDEO_LIPSYNC(0) | AUDIO_LIPSYNC(0); } - WREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); + WREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); } void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder, - u8 *sadb, int sad_count) + u8 *sadb, int sad_count) { struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - u32 offset, tmp; + u32 tmp; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->pin->offset; - /* program the speaker allocation */ - tmp = RREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); + tmp = RREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); tmp &= ~(DP_CONNECTION | SPEAKER_ALLOCATION_MASK); /* set HDMI mode */ tmp |= HDMI_CONNECTION; @@ -155,24 +151,24 @@ void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder, tmp |= SPEAKER_ALLOCATION(sadb[0]); else tmp |= SPEAKER_ALLOCATION(5); /* stereo */ - WREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); + WREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); } void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder, - u8 *sadb, int sad_count) + u8 *sadb, int sad_count) { struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - u32 offset, tmp; + u32 tmp; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->pin->offset; - /* program the speaker allocation */ - tmp = RREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); + tmp = RREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); tmp &= ~(HDMI_CONNECTION | SPEAKER_ALLOCATION_MASK); /* set DP mode */ tmp |= DP_CONNECTION; @@ -180,13 +176,13 @@ void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder, tmp |= SPEAKER_ALLOCATION(sadb[0]); else tmp |= SPEAKER_ALLOCATION(5); /* stereo */ - WREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); + WREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); } void dce6_afmt_write_sad_regs(struct drm_encoder *encoder, - struct cea_sad *sads, int sad_count) + struct cea_sad *sads, int sad_count) { - u32 offset; int i; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; @@ -206,11 +202,9 @@ void dce6_afmt_write_sad_regs(struct drm_encoder *encoder, { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, }; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->pin->offset; - for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { u32 value = 0; u8 stereo_freqs = 0; @@ -237,7 +231,7 @@ void dce6_afmt_write_sad_regs(struct drm_encoder *encoder, value |= SUPPORTED_FREQUENCIES_STEREO(stereo_freqs); - WREG32_ENDPOINT(offset, eld_reg_to_type[i][0], value); + WREG32_ENDPOINT(dig->pin->offset, eld_reg_to_type[i][0], value); } } @@ -253,7 +247,7 @@ void dce6_audio_enable(struct radeon_device *rdev, } void dce6_hdmi_audio_set_dto(struct radeon_device *rdev, - struct radeon_crtc *crtc, unsigned int clock) + struct radeon_crtc *crtc, unsigned int clock) { /* Two dtos; generally use dto0 for HDMI */ u32 value = 0; @@ -272,7 +266,7 @@ void dce6_hdmi_audio_set_dto(struct radeon_device *rdev, } void dce6_dp_audio_set_dto(struct radeon_device *rdev, - struct radeon_crtc *crtc, unsigned int clock) + struct radeon_crtc *crtc, unsigned int clock) { /* Two dtos; generally use dto1 for DP */ u32 value = 0; diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 3a6d483a2c36..0acde1949c18 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -4924,7 +4924,7 @@ restart_ih: return IRQ_NONE; rptr = rdev->ih.rptr; - DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr); + DRM_DEBUG("evergreen_irq_process start: rptr %d, wptr %d\n", rptr, wptr); /* Order reading of wptr vs. reading of IH ring data */ rmb(); @@ -4942,23 +4942,27 @@ restart_ih: case 1: /* D1 vblank/vline */ switch (src_data) { case 0: /* D1 vblank */ - if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[0]) { - drm_handle_vblank(rdev->ddev, 0); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[0])) - radeon_crtc_handle_vblank(rdev, 0); - rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D1 vblank\n"); + if (!(rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: D1 vblank - IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[0]) { + drm_handle_vblank(rdev->ddev, 0); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[0])) + radeon_crtc_handle_vblank(rdev, 0); + rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D1 vblank\n"); + break; case 1: /* D1 vline */ - if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT; - DRM_DEBUG("IH: D1 vline\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)) + DRM_DEBUG("IH: D1 vline - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT; + DRM_DEBUG("IH: D1 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -4968,23 +4972,27 @@ restart_ih: case 2: /* D2 vblank/vline */ switch (src_data) { case 0: /* D2 vblank */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[1]) { - drm_handle_vblank(rdev->ddev, 1); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[1])) - radeon_crtc_handle_vblank(rdev, 1); - rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D2 vblank\n"); + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: D2 vblank - IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[1]) { + drm_handle_vblank(rdev->ddev, 1); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[1])) + radeon_crtc_handle_vblank(rdev, 1); + rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D2 vblank\n"); + break; case 1: /* D2 vline */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT; - DRM_DEBUG("IH: D2 vline\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)) + DRM_DEBUG("IH: D2 vline - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT; + DRM_DEBUG("IH: D2 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -4994,23 +5002,27 @@ restart_ih: case 3: /* D3 vblank/vline */ switch (src_data) { case 0: /* D3 vblank */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[2]) { - drm_handle_vblank(rdev->ddev, 2); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[2])) - radeon_crtc_handle_vblank(rdev, 2); - rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D3 vblank\n"); + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: D3 vblank - IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[2]) { + drm_handle_vblank(rdev->ddev, 2); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[2])) + radeon_crtc_handle_vblank(rdev, 2); + rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D3 vblank\n"); + break; case 1: /* D3 vline */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT; - DRM_DEBUG("IH: D3 vline\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)) + DRM_DEBUG("IH: D3 vline - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT; + DRM_DEBUG("IH: D3 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -5020,23 +5032,27 @@ restart_ih: case 4: /* D4 vblank/vline */ switch (src_data) { case 0: /* D4 vblank */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[3]) { - drm_handle_vblank(rdev->ddev, 3); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[3])) - radeon_crtc_handle_vblank(rdev, 3); - rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D4 vblank\n"); + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: D4 vblank - IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[3]) { + drm_handle_vblank(rdev->ddev, 3); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[3])) + radeon_crtc_handle_vblank(rdev, 3); + rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D4 vblank\n"); + break; case 1: /* D4 vline */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT; - DRM_DEBUG("IH: D4 vline\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)) + DRM_DEBUG("IH: D4 vline - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT; + DRM_DEBUG("IH: D4 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -5046,23 +5062,27 @@ restart_ih: case 5: /* D5 vblank/vline */ switch (src_data) { case 0: /* D5 vblank */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[4]) { - drm_handle_vblank(rdev->ddev, 4); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[4])) - radeon_crtc_handle_vblank(rdev, 4); - rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D5 vblank\n"); + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: D5 vblank - IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[4]) { + drm_handle_vblank(rdev->ddev, 4); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[4])) + radeon_crtc_handle_vblank(rdev, 4); + rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D5 vblank\n"); + break; case 1: /* D5 vline */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT; - DRM_DEBUG("IH: D5 vline\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)) + DRM_DEBUG("IH: D5 vline - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT; + DRM_DEBUG("IH: D5 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -5072,23 +5092,27 @@ restart_ih: case 6: /* D6 vblank/vline */ switch (src_data) { case 0: /* D6 vblank */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[5]) { - drm_handle_vblank(rdev->ddev, 5); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[5])) - radeon_crtc_handle_vblank(rdev, 5); - rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D6 vblank\n"); + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: D6 vblank - IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[5]) { + drm_handle_vblank(rdev->ddev, 5); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[5])) + radeon_crtc_handle_vblank(rdev, 5); + rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D6 vblank\n"); + break; case 1: /* D6 vline */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT; - DRM_DEBUG("IH: D6 vline\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)) + DRM_DEBUG("IH: D6 vline - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT; + DRM_DEBUG("IH: D6 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -5108,88 +5132,100 @@ restart_ih: case 42: /* HPD hotplug */ switch (src_data) { case 0: - if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD1\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD1\n"); break; case 1: - if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD2\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD2\n"); break; case 2: - if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD3\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD3\n"); break; case 3: - if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD4\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD4\n"); break; case 4: - if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD5\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD5\n"); break; case 5: - if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD6\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD6\n"); break; case 6: - if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_RX_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 1\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 1\n"); break; case 7: - if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_RX_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 2\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 2\n"); break; case 8: - if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_RX_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 3\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 3\n"); break; case 9: - if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_RX_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 4\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 4\n"); break; case 10: - if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_RX_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 5\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 5\n"); break; case 11: - if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_RX_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 6\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 6\n"); break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -5199,46 +5235,52 @@ restart_ih: case 44: /* hdmi */ switch (src_data) { case 0: - if (rdev->irq.stat_regs.evergreen.afmt_status1 & AFMT_AZ_FORMAT_WTRIG) { - rdev->irq.stat_regs.evergreen.afmt_status1 &= ~AFMT_AZ_FORMAT_WTRIG; - queue_hdmi = true; - DRM_DEBUG("IH: HDMI0\n"); - } + if (!(rdev->irq.stat_regs.evergreen.afmt_status1 & AFMT_AZ_FORMAT_WTRIG)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.afmt_status1 &= ~AFMT_AZ_FORMAT_WTRIG; + queue_hdmi = true; + DRM_DEBUG("IH: HDMI0\n"); break; case 1: - if (rdev->irq.stat_regs.evergreen.afmt_status2 & AFMT_AZ_FORMAT_WTRIG) { - rdev->irq.stat_regs.evergreen.afmt_status2 &= ~AFMT_AZ_FORMAT_WTRIG; - queue_hdmi = true; - DRM_DEBUG("IH: HDMI1\n"); - } + if (!(rdev->irq.stat_regs.evergreen.afmt_status2 & AFMT_AZ_FORMAT_WTRIG)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.afmt_status2 &= ~AFMT_AZ_FORMAT_WTRIG; + queue_hdmi = true; + DRM_DEBUG("IH: HDMI1\n"); break; case 2: - if (rdev->irq.stat_regs.evergreen.afmt_status3 & AFMT_AZ_FORMAT_WTRIG) { - rdev->irq.stat_regs.evergreen.afmt_status3 &= ~AFMT_AZ_FORMAT_WTRIG; - queue_hdmi = true; - DRM_DEBUG("IH: HDMI2\n"); - } + if (!(rdev->irq.stat_regs.evergreen.afmt_status3 & AFMT_AZ_FORMAT_WTRIG)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.afmt_status3 &= ~AFMT_AZ_FORMAT_WTRIG; + queue_hdmi = true; + DRM_DEBUG("IH: HDMI2\n"); break; case 3: - if (rdev->irq.stat_regs.evergreen.afmt_status4 & AFMT_AZ_FORMAT_WTRIG) { - rdev->irq.stat_regs.evergreen.afmt_status4 &= ~AFMT_AZ_FORMAT_WTRIG; - queue_hdmi = true; - DRM_DEBUG("IH: HDMI3\n"); - } + if (!(rdev->irq.stat_regs.evergreen.afmt_status4 & AFMT_AZ_FORMAT_WTRIG)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.afmt_status4 &= ~AFMT_AZ_FORMAT_WTRIG; + queue_hdmi = true; + DRM_DEBUG("IH: HDMI3\n"); break; case 4: - if (rdev->irq.stat_regs.evergreen.afmt_status5 & AFMT_AZ_FORMAT_WTRIG) { - rdev->irq.stat_regs.evergreen.afmt_status5 &= ~AFMT_AZ_FORMAT_WTRIG; - queue_hdmi = true; - DRM_DEBUG("IH: HDMI4\n"); - } + if (!(rdev->irq.stat_regs.evergreen.afmt_status5 & AFMT_AZ_FORMAT_WTRIG)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.afmt_status5 &= ~AFMT_AZ_FORMAT_WTRIG; + queue_hdmi = true; + DRM_DEBUG("IH: HDMI4\n"); break; case 5: - if (rdev->irq.stat_regs.evergreen.afmt_status6 & AFMT_AZ_FORMAT_WTRIG) { - rdev->irq.stat_regs.evergreen.afmt_status6 &= ~AFMT_AZ_FORMAT_WTRIG; - queue_hdmi = true; - DRM_DEBUG("IH: HDMI5\n"); - } + if (!(rdev->irq.stat_regs.evergreen.afmt_status6 & AFMT_AZ_FORMAT_WTRIG)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.afmt_status6 &= ~AFMT_AZ_FORMAT_WTRIG; + queue_hdmi = true; + DRM_DEBUG("IH: HDMI5\n"); break; default: DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data); diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 8e5aeeb058a5..158872eb78e4 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -2162,18 +2162,20 @@ static int cayman_startup(struct radeon_device *rdev) DRM_ERROR("radeon: failed initializing UVD (%d).\n", r); } - ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX]; - if (ring->ring_size) - r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0); + if (rdev->family == CHIP_ARUBA) { + ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX]; + if (ring->ring_size) + r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0); - ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX]; - if (ring->ring_size) - r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0); + ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX]; + if (ring->ring_size) + r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0); - if (!r) - r = vce_v1_0_init(rdev); - else if (r != -ENOENT) - DRM_ERROR("radeon: failed initializing VCE (%d).\n", r); + if (!r) + r = vce_v1_0_init(rdev); + if (r) + DRM_ERROR("radeon: failed initializing VCE (%d).\n", r); + } r = radeon_ib_pool_init(rdev); if (r) { @@ -2396,7 +2398,8 @@ void cayman_fini(struct radeon_device *rdev) radeon_irq_kms_fini(rdev); uvd_v1_0_fini(rdev); radeon_uvd_fini(rdev); - radeon_vce_fini(rdev); + if (rdev->family == CHIP_ARUBA) + radeon_vce_fini(rdev); cayman_pcie_gart_fini(rdev); r600_vram_scratch_fini(rdev); radeon_gem_fini(rdev); diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 35dafd77a639..4ea5b10ff5f4 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -4086,23 +4086,27 @@ restart_ih: case 1: /* D1 vblank/vline */ switch (src_data) { case 0: /* D1 vblank */ - if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[0]) { - drm_handle_vblank(rdev->ddev, 0); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[0])) - radeon_crtc_handle_vblank(rdev, 0); - rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D1 vblank\n"); + if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: D1 vblank - IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[0]) { + drm_handle_vblank(rdev->ddev, 0); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[0])) + radeon_crtc_handle_vblank(rdev, 0); + rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D1 vblank\n"); + break; case 1: /* D1 vline */ - if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) { - rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT; - DRM_DEBUG("IH: D1 vline\n"); - } + if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)) + DRM_DEBUG("IH: D1 vline - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT; + DRM_DEBUG("IH: D1 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -4112,23 +4116,27 @@ restart_ih: case 5: /* D2 vblank/vline */ switch (src_data) { case 0: /* D2 vblank */ - if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[1]) { - drm_handle_vblank(rdev->ddev, 1); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[1])) - radeon_crtc_handle_vblank(rdev, 1); - rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D2 vblank\n"); + if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: D2 vblank - IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[1]) { + drm_handle_vblank(rdev->ddev, 1); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[1])) + radeon_crtc_handle_vblank(rdev, 1); + rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D2 vblank\n"); + break; case 1: /* D1 vline */ - if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) { - rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT; - DRM_DEBUG("IH: D2 vline\n"); - } + if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)) + DRM_DEBUG("IH: D2 vline - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT; + DRM_DEBUG("IH: D2 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -4148,46 +4156,53 @@ restart_ih: case 19: /* HPD/DAC hotplug */ switch (src_data) { case 0: - if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) { - rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD1\n"); - } + if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT)) + DRM_DEBUG("IH: HPD1 - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD1\n"); break; case 1: - if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) { - rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD2\n"); - } + if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT)) + DRM_DEBUG("IH: HPD2 - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD2\n"); break; case 4: - if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) { - rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD3\n"); - } + if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT)) + DRM_DEBUG("IH: HPD3 - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD3\n"); break; case 5: - if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) { - rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD4\n"); - } + if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT)) + DRM_DEBUG("IH: HPD4 - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD4\n"); break; case 10: - if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) { - rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD5\n"); - } + if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT)) + DRM_DEBUG("IH: HPD5 - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD5\n"); break; case 12: - if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) { - rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD6\n"); - } + if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT)) + DRM_DEBUG("IH: HPD6 - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD6\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -4197,18 +4212,22 @@ restart_ih: case 21: /* hdmi */ switch (src_data) { case 4: - if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) { - rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG; - queue_hdmi = true; - DRM_DEBUG("IH: HDMI0\n"); - } + if (!(rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG)) + DRM_DEBUG("IH: HDMI0 - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG; + queue_hdmi = true; + DRM_DEBUG("IH: HDMI0\n"); + break; case 5: - if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) { - rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG; - queue_hdmi = true; - DRM_DEBUG("IH: HDMI1\n"); - } + if (!(rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG)) + DRM_DEBUG("IH: HDMI1 - IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG; + queue_hdmi = true; + DRM_DEBUG("IH: HDMI1\n"); + break; default: DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data); diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c index 09e3f39925fa..98f9adaccc3d 100644 --- a/drivers/gpu/drm/radeon/r600_cp.c +++ b/drivers/gpu/drm/radeon/r600_cp.c @@ -2483,7 +2483,7 @@ int r600_cp_dispatch_texture(struct drm_device *dev, struct drm_buf *buf; u32 *buffer; const u8 __user *data; - int size, pass_size; + unsigned int size, pass_size; u64 src_offset, dst_offset; if (!radeon_check_offset(dev_priv, tex->offset)) { diff --git a/drivers/gpu/drm/radeon/radeon_audio.c b/drivers/gpu/drm/radeon/radeon_audio.c index fa719c53449b..fbc8d88d6e5d 100644 --- a/drivers/gpu/drm/radeon/radeon_audio.c +++ b/drivers/gpu/drm/radeon/radeon_audio.c @@ -245,6 +245,28 @@ static struct radeon_audio_funcs dce6_dp_funcs = { static void radeon_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin, u8 enable_mask) { + struct drm_encoder *encoder; + struct radeon_encoder *radeon_encoder; + struct radeon_encoder_atom_dig *dig; + int pin_count = 0; + + if (!pin) + return; + + if (rdev->mode_info.mode_config_initialized) { + list_for_each_entry(encoder, &rdev->ddev->mode_config.encoder_list, head) { + if (radeon_encoder_is_digital(encoder)) { + radeon_encoder = to_radeon_encoder(encoder); + dig = radeon_encoder->enc_priv; + if (dig->pin == pin) + pin_count++; + } + } + + if ((pin_count > 1) && (enable_mask == 0)) + return; + } + if (rdev->audio.funcs->enable) rdev->audio.funcs->enable(rdev, pin, enable_mask); } @@ -336,24 +358,13 @@ void radeon_audio_endpoint_wreg(struct radeon_device *rdev, u32 offset, static void radeon_audio_write_sad_regs(struct drm_encoder *encoder) { - struct radeon_encoder *radeon_encoder; - struct drm_connector *connector; - struct radeon_connector *radeon_connector = NULL; + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct cea_sad *sads; int sad_count; - list_for_each_entry(connector, - &encoder->dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - radeon_connector = to_radeon_connector(connector); - break; - } - } - - if (!radeon_connector) { - DRM_ERROR("Couldn't find encoder's connector\n"); + if (!connector) return; - } sad_count = drm_edid_to_sad(radeon_connector_edid(connector), &sads); if (sad_count <= 0) { @@ -362,8 +373,6 @@ static void radeon_audio_write_sad_regs(struct drm_encoder *encoder) } BUG_ON(!sads); - radeon_encoder = to_radeon_encoder(encoder); - if (radeon_encoder->audio && radeon_encoder->audio->write_sad_regs) radeon_encoder->audio->write_sad_regs(encoder, sads, sad_count); @@ -372,27 +381,16 @@ static void radeon_audio_write_sad_regs(struct drm_encoder *encoder) static void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder) { + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); - struct drm_connector *connector; - struct radeon_connector *radeon_connector = NULL; u8 *sadb = NULL; int sad_count; - list_for_each_entry(connector, - &encoder->dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - radeon_connector = to_radeon_connector(connector); - break; - } - } - - if (!radeon_connector) { - DRM_ERROR("Couldn't find encoder's connector\n"); + if (!connector) return; - } - sad_count = drm_edid_to_speaker_allocation( - radeon_connector_edid(connector), &sadb); + sad_count = drm_edid_to_speaker_allocation(radeon_connector_edid(connector), + &sadb); if (sad_count < 0) { DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); @@ -406,26 +404,13 @@ static void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder) } static void radeon_audio_write_latency_fields(struct drm_encoder *encoder, - struct drm_display_mode *mode) + struct drm_display_mode *mode) { - struct radeon_encoder *radeon_encoder; - struct drm_connector *connector; - struct radeon_connector *radeon_connector = 0; - - list_for_each_entry(connector, - &encoder->dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - radeon_connector = to_radeon_connector(connector); - break; - } - } + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); - if (!radeon_connector) { - DRM_ERROR("Couldn't find encoder's connector\n"); + if (!connector) return; - } - - radeon_encoder = to_radeon_encoder(encoder); if (radeon_encoder->audio && radeon_encoder->audio->write_latency_fields) radeon_encoder->audio->write_latency_fields(encoder, connector, mode); @@ -451,29 +436,23 @@ static void radeon_audio_select_pin(struct drm_encoder *encoder) } void radeon_audio_detect(struct drm_connector *connector, + struct drm_encoder *encoder, enum drm_connector_status status) { - struct radeon_device *rdev; - struct radeon_encoder *radeon_encoder; + struct drm_device *dev = connector->dev; + struct radeon_device *rdev = dev->dev_private; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig; - if (!connector || !connector->encoder) + if (!radeon_audio_chipset_supported(rdev)) return; - rdev = connector->encoder->dev->dev_private; - - if (!radeon_audio_chipset_supported(rdev)) + if (!radeon_encoder_is_digital(encoder)) return; - radeon_encoder = to_radeon_encoder(connector->encoder); dig = radeon_encoder->enc_priv; if (status == connector_status_connected) { - if (!drm_detect_monitor_audio(radeon_connector_edid(connector))) { - radeon_encoder->audio = NULL; - return; - } - if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); @@ -486,11 +465,17 @@ void radeon_audio_detect(struct drm_connector *connector, radeon_encoder->audio = rdev->audio.hdmi_funcs; } - dig->afmt->pin = radeon_audio_get_pin(connector->encoder); - radeon_audio_enable(rdev, dig->afmt->pin, 0xf); + if (drm_detect_monitor_audio(radeon_connector_edid(connector))) { + if (!dig->pin) + dig->pin = radeon_audio_get_pin(encoder); + radeon_audio_enable(rdev, dig->pin, 0xf); + } else { + radeon_audio_enable(rdev, dig->pin, 0); + dig->pin = NULL; + } } else { - radeon_audio_enable(rdev, dig->afmt->pin, 0); - dig->afmt->pin = NULL; + radeon_audio_enable(rdev, dig->pin, 0); + dig->pin = NULL; } } @@ -518,29 +503,18 @@ static void radeon_audio_set_dto(struct drm_encoder *encoder, unsigned int clock } static int radeon_audio_set_avi_packet(struct drm_encoder *encoder, - struct drm_display_mode *mode) + struct drm_display_mode *mode) { struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - struct drm_connector *connector; - struct radeon_connector *radeon_connector = NULL; + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; struct hdmi_avi_infoframe frame; int err; - list_for_each_entry(connector, - &encoder->dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - radeon_connector = to_radeon_connector(connector); - break; - } - } - - if (!radeon_connector) { - DRM_ERROR("Couldn't find encoder's connector\n"); - return -ENOENT; - } + if (!connector) + return -EINVAL; err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode); if (err < 0) { @@ -563,8 +537,8 @@ static int radeon_audio_set_avi_packet(struct drm_encoder *encoder, return err; } - if (dig && dig->afmt && - radeon_encoder->audio && radeon_encoder->audio->set_avi_packet) + if (dig && dig->afmt && radeon_encoder->audio && + radeon_encoder->audio->set_avi_packet) radeon_encoder->audio->set_avi_packet(rdev, dig->afmt->offset, buffer, sizeof(buffer)); @@ -722,30 +696,41 @@ static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder, { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); if (!dig || !dig->afmt) return; - radeon_audio_set_mute(encoder, true); + if (!connector) + return; - radeon_audio_write_speaker_allocation(encoder); - radeon_audio_write_sad_regs(encoder); - radeon_audio_write_latency_fields(encoder, mode); - radeon_audio_set_dto(encoder, mode->clock); - radeon_audio_set_vbi_packet(encoder); - radeon_hdmi_set_color_depth(encoder); - radeon_audio_update_acr(encoder, mode->clock); - radeon_audio_set_audio_packet(encoder); - radeon_audio_select_pin(encoder); + if (drm_detect_monitor_audio(radeon_connector_edid(connector))) { + radeon_audio_set_mute(encoder, true); - if (radeon_audio_set_avi_packet(encoder, mode) < 0) - return; + radeon_audio_write_speaker_allocation(encoder); + radeon_audio_write_sad_regs(encoder); + radeon_audio_write_latency_fields(encoder, mode); + radeon_audio_set_dto(encoder, mode->clock); + radeon_audio_set_vbi_packet(encoder); + radeon_hdmi_set_color_depth(encoder); + radeon_audio_update_acr(encoder, mode->clock); + radeon_audio_set_audio_packet(encoder); + radeon_audio_select_pin(encoder); + + if (radeon_audio_set_avi_packet(encoder, mode) < 0) + return; - radeon_audio_set_mute(encoder, false); + radeon_audio_set_mute(encoder, false); + } else { + radeon_hdmi_set_color_depth(encoder); + + if (radeon_audio_set_avi_packet(encoder, mode) < 0) + return; + } } static void radeon_audio_dp_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode) + struct drm_display_mode *mode) { struct drm_device *dev = encoder->dev; struct radeon_device *rdev = dev->dev_private; @@ -759,22 +744,27 @@ static void radeon_audio_dp_mode_set(struct drm_encoder *encoder, if (!dig || !dig->afmt) return; - radeon_audio_write_speaker_allocation(encoder); - radeon_audio_write_sad_regs(encoder); - radeon_audio_write_latency_fields(encoder, mode); - if (rdev->clock.dp_extclk || ASIC_IS_DCE5(rdev)) - radeon_audio_set_dto(encoder, rdev->clock.default_dispclk * 10); - else - radeon_audio_set_dto(encoder, dig_connector->dp_clock); - radeon_audio_set_audio_packet(encoder); - radeon_audio_select_pin(encoder); - - if (radeon_audio_set_avi_packet(encoder, mode) < 0) + if (!connector) return; + + if (drm_detect_monitor_audio(radeon_connector_edid(connector))) { + radeon_audio_write_speaker_allocation(encoder); + radeon_audio_write_sad_regs(encoder); + radeon_audio_write_latency_fields(encoder, mode); + if (rdev->clock.dp_extclk || ASIC_IS_DCE5(rdev)) + radeon_audio_set_dto(encoder, rdev->clock.default_dispclk * 10); + else + radeon_audio_set_dto(encoder, dig_connector->dp_clock); + radeon_audio_set_audio_packet(encoder); + radeon_audio_select_pin(encoder); + + if (radeon_audio_set_avi_packet(encoder, mode) < 0) + return; + } } void radeon_audio_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode) + struct drm_display_mode *mode) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); diff --git a/drivers/gpu/drm/radeon/radeon_audio.h b/drivers/gpu/drm/radeon/radeon_audio.h index 8438304f7139..059cc3012062 100644 --- a/drivers/gpu/drm/radeon/radeon_audio.h +++ b/drivers/gpu/drm/radeon/radeon_audio.h @@ -68,7 +68,8 @@ struct radeon_audio_funcs int radeon_audio_init(struct radeon_device *rdev); void radeon_audio_detect(struct drm_connector *connector, - enum drm_connector_status status); + struct drm_encoder *encoder, + enum drm_connector_status status); u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg); void radeon_audio_endpoint_wreg(struct radeon_device *rdev, diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 3e5f6b71f3ad..c097d3a82bda 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -1255,10 +1255,15 @@ struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) && (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) { + u32 hss = (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8; + + if (hss > lvds->native_mode.hdisplay) + hss = (10 - 1) * 8; + lvds->native_mode.htotal = lvds->native_mode.hdisplay + (RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8; lvds->native_mode.hsync_start = lvds->native_mode.hdisplay + - (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8; + hss; lvds->native_mode.hsync_end = lvds->native_mode.hsync_start + (RBIOS8(tmp + 23) * 8); diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index cebb65e07e1d..94b21ae70ef7 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1379,8 +1379,16 @@ out: /* updated in get modes as well since we need to know if it's analog or digital */ radeon_connector_update_scratch_regs(connector, ret); - if (radeon_audio != 0) - radeon_audio_detect(connector, ret); + if ((radeon_audio != 0) && radeon_connector->use_digital) { + const struct drm_connector_helper_funcs *connector_funcs = + connector->helper_private; + + encoder = connector_funcs->best_encoder(connector); + if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) { + radeon_connector_get_edid(connector); + radeon_audio_detect(connector, encoder, ret); + } + } exit: pm_runtime_mark_last_busy(connector->dev->dev); @@ -1717,8 +1725,10 @@ radeon_dp_detect(struct drm_connector *connector, bool force) radeon_connector_update_scratch_regs(connector, ret); - if (radeon_audio != 0) - radeon_audio_detect(connector, ret); + if ((radeon_audio != 0) && encoder) { + radeon_connector_get_edid(connector); + radeon_audio_detect(connector, encoder, ret); + } out: pm_runtime_mark_last_busy(connector->dev->dev); diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c index 45e54060ee97..afaf346bd50e 100644 --- a/drivers/gpu/drm/radeon/radeon_cursor.c +++ b/drivers/gpu/drm/radeon/radeon_cursor.c @@ -91,15 +91,34 @@ static void radeon_show_cursor(struct drm_crtc *crtc) struct radeon_device *rdev = crtc->dev->dev_private; if (ASIC_IS_DCE4(rdev)) { + WREG32(EVERGREEN_CUR_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, + upper_32_bits(radeon_crtc->cursor_addr)); + WREG32(EVERGREEN_CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset, + lower_32_bits(radeon_crtc->cursor_addr)); WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset); WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_EN | EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT) | EVERGREEN_CURSOR_URGENT_CONTROL(EVERGREEN_CURSOR_URGENT_1_2)); } else if (ASIC_IS_AVIVO(rdev)) { + if (rdev->family >= CHIP_RV770) { + if (radeon_crtc->crtc_id) + WREG32(R700_D2CUR_SURFACE_ADDRESS_HIGH, + upper_32_bits(radeon_crtc->cursor_addr)); + else + WREG32(R700_D1CUR_SURFACE_ADDRESS_HIGH, + upper_32_bits(radeon_crtc->cursor_addr)); + } + + WREG32(AVIVO_D1CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset, + lower_32_bits(radeon_crtc->cursor_addr)); WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset); WREG32(RADEON_MM_DATA, AVIVO_D1CURSOR_EN | (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT)); } else { + /* offset is from DISP(2)_BASE_ADDRESS */ + WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, + radeon_crtc->cursor_addr - radeon_crtc->legacy_display_base_addr); + switch (radeon_crtc->crtc_id) { case 0: WREG32(RADEON_MM_INDEX, RADEON_CRTC_GEN_CNTL); @@ -205,8 +224,9 @@ static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y) | (x << 16) | y)); /* offset is from DISP(2)_BASE_ADDRESS */ - WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, (radeon_crtc->legacy_cursor_offset + - (yorigin * 256))); + WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, + radeon_crtc->cursor_addr - radeon_crtc->legacy_display_base_addr + + yorigin * 256); } radeon_crtc->cursor_x = x; @@ -227,53 +247,6 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc, return ret; } -static int radeon_set_cursor(struct drm_crtc *crtc, struct drm_gem_object *obj) -{ - struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); - struct radeon_device *rdev = crtc->dev->dev_private; - struct radeon_bo *robj = gem_to_radeon_bo(obj); - uint64_t gpu_addr; - int ret; - - ret = radeon_bo_reserve(robj, false); - if (unlikely(ret != 0)) - goto fail; - /* Only 27 bit offset for legacy cursor */ - ret = radeon_bo_pin_restricted(robj, RADEON_GEM_DOMAIN_VRAM, - ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27, - &gpu_addr); - radeon_bo_unreserve(robj); - if (ret) - goto fail; - - if (ASIC_IS_DCE4(rdev)) { - WREG32(EVERGREEN_CUR_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, - upper_32_bits(gpu_addr)); - WREG32(EVERGREEN_CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset, - gpu_addr & 0xffffffff); - } else if (ASIC_IS_AVIVO(rdev)) { - if (rdev->family >= CHIP_RV770) { - if (radeon_crtc->crtc_id) - WREG32(R700_D2CUR_SURFACE_ADDRESS_HIGH, upper_32_bits(gpu_addr)); - else - WREG32(R700_D1CUR_SURFACE_ADDRESS_HIGH, upper_32_bits(gpu_addr)); - } - WREG32(AVIVO_D1CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset, - gpu_addr & 0xffffffff); - } else { - radeon_crtc->legacy_cursor_offset = gpu_addr - radeon_crtc->legacy_display_base_addr; - /* offset is from DISP(2)_BASE_ADDRESS */ - WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, radeon_crtc->legacy_cursor_offset); - } - - return 0; - -fail: - drm_gem_object_unreference_unlocked(obj); - - return ret; -} - int radeon_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv, uint32_t handle, @@ -283,7 +256,9 @@ int radeon_crtc_cursor_set2(struct drm_crtc *crtc, int32_t hot_y) { struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + struct radeon_device *rdev = crtc->dev->dev_private; struct drm_gem_object *obj; + struct radeon_bo *robj; int ret; if (!handle) { @@ -305,6 +280,23 @@ int radeon_crtc_cursor_set2(struct drm_crtc *crtc, return -ENOENT; } + robj = gem_to_radeon_bo(obj); + ret = radeon_bo_reserve(robj, false); + if (ret != 0) { + drm_gem_object_unreference_unlocked(obj); + return ret; + } + /* Only 27 bit offset for legacy cursor */ + ret = radeon_bo_pin_restricted(robj, RADEON_GEM_DOMAIN_VRAM, + ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27, + &radeon_crtc->cursor_addr); + radeon_bo_unreserve(robj); + if (ret) { + DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret); + drm_gem_object_unreference_unlocked(obj); + return ret; + } + radeon_crtc->cursor_width = width; radeon_crtc->cursor_height = height; @@ -323,13 +315,7 @@ int radeon_crtc_cursor_set2(struct drm_crtc *crtc, radeon_crtc->cursor_hot_y = hot_y; } - ret = radeon_set_cursor(crtc, obj); - - if (ret) - DRM_ERROR("radeon_set_cursor returned %d, not changing cursor\n", - ret); - else - radeon_show_cursor(crtc); + radeon_show_cursor(crtc); radeon_lock_cursor(crtc, false); @@ -341,8 +327,7 @@ unpin: radeon_bo_unpin(robj); radeon_bo_unreserve(robj); } - if (radeon_crtc->cursor_bo != obj) - drm_gem_object_unreference_unlocked(radeon_crtc->cursor_bo); + drm_gem_object_unreference_unlocked(radeon_crtc->cursor_bo); } radeon_crtc->cursor_bo = obj; @@ -360,7 +345,6 @@ unpin: void radeon_cursor_reset(struct drm_crtc *crtc) { struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); - int ret; if (radeon_crtc->cursor_bo) { radeon_lock_cursor(crtc, true); @@ -368,12 +352,7 @@ void radeon_cursor_reset(struct drm_crtc *crtc) radeon_cursor_move_locked(crtc, radeon_crtc->cursor_x, radeon_crtc->cursor_y); - ret = radeon_set_cursor(crtc, radeon_crtc->cursor_bo); - if (ret) - DRM_ERROR("radeon_set_cursor returned %d, not showing " - "cursor\n", ret); - else - radeon_show_cursor(crtc); + radeon_show_cursor(crtc); radeon_lock_cursor(crtc, false); } diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 2593b1168bd6..d8319dae8358 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1080,6 +1080,22 @@ static bool radeon_check_pot_argument(int arg) } /** + * Determine a sensible default GART size according to ASIC family. + * + * @family ASIC family name + */ +static int radeon_gart_size_auto(enum radeon_family family) +{ + /* default to a larger gart size on newer asics */ + if (family >= CHIP_TAHITI) + return 2048; + else if (family >= CHIP_RV770) + return 1024; + else + return 512; +} + +/** * radeon_check_arguments - validate module params * * @rdev: radeon_device pointer @@ -1097,27 +1113,17 @@ static void radeon_check_arguments(struct radeon_device *rdev) } if (radeon_gart_size == -1) { - /* default to a larger gart size on newer asics */ - if (rdev->family >= CHIP_RV770) - radeon_gart_size = 1024; - else - radeon_gart_size = 512; + radeon_gart_size = radeon_gart_size_auto(rdev->family); } /* gtt size must be power of two and greater or equal to 32M */ if (radeon_gart_size < 32) { dev_warn(rdev->dev, "gart size (%d) too small\n", radeon_gart_size); - if (rdev->family >= CHIP_RV770) - radeon_gart_size = 1024; - else - radeon_gart_size = 512; + radeon_gart_size = radeon_gart_size_auto(rdev->family); } else if (!radeon_check_pot_argument(radeon_gart_size)) { dev_warn(rdev->dev, "gart size (%d) must be a power of 2\n", radeon_gart_size); - if (rdev->family >= CHIP_RV770) - radeon_gart_size = 1024; - else - radeon_gart_size = 512; + radeon_gart_size = radeon_gart_size_auto(rdev->family); } rdev->mc.gtt_size = (uint64_t)radeon_gart_size << 20; @@ -1572,11 +1578,21 @@ int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon) drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); } - /* unpin the front buffers */ + /* unpin the front buffers and cursors */ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); struct radeon_framebuffer *rfb = to_radeon_framebuffer(crtc->primary->fb); struct radeon_bo *robj; + if (radeon_crtc->cursor_bo) { + struct radeon_bo *robj = gem_to_radeon_bo(radeon_crtc->cursor_bo); + r = radeon_bo_reserve(robj, false); + if (r == 0) { + radeon_bo_unpin(robj); + radeon_bo_unreserve(robj); + } + } + if (rfb == NULL || rfb->obj == NULL) { continue; } @@ -1639,6 +1655,7 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon) { struct drm_connector *connector; struct radeon_device *rdev = dev->dev_private; + struct drm_crtc *crtc; int r; if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) @@ -1678,6 +1695,27 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon) radeon_restore_bios_scratch_regs(rdev); + /* pin cursors */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + + if (radeon_crtc->cursor_bo) { + struct radeon_bo *robj = gem_to_radeon_bo(radeon_crtc->cursor_bo); + r = radeon_bo_reserve(robj, false); + if (r == 0) { + /* Only 27 bit offset for legacy cursor */ + r = radeon_bo_pin_restricted(robj, + RADEON_GEM_DOMAIN_VRAM, + ASIC_IS_AVIVO(rdev) ? + 0 : 1 << 27, + &radeon_crtc->cursor_addr); + if (r != 0) + DRM_ERROR("Failed to pin cursor BO (%d)\n", r); + radeon_bo_unreserve(robj); + } + } + } + /* init dig PHYs, disp eng pll */ if (rdev->is_atom_bios) { radeon_atom_encoder_init(rdev); diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c index 634793ea8418..aeb676708e60 100644 --- a/drivers/gpu/drm/radeon/radeon_fb.c +++ b/drivers/gpu/drm/radeon/radeon_fb.c @@ -257,6 +257,7 @@ static int radeonfb_create(struct drm_fb_helper *helper, } info->par = rfbdev; + info->skip_vt_switch = true; ret = radeon_framebuffer_init(rdev->ddev, &rfbdev->rfb, &mode_cmd, gobj); if (ret) { diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index 5450fa95a47e..c4777c8d0312 100644 --- a/drivers/gpu/drm/radeon/radeon_gart.c +++ b/drivers/gpu/drm/radeon/radeon_gart.c @@ -260,8 +260,10 @@ void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset, } } } - mb(); - radeon_gart_tlb_flush(rdev); + if (rdev->gart.ptr) { + mb(); + radeon_gart_tlb_flush(rdev); + } } /** @@ -306,8 +308,10 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset, page_base += RADEON_GPU_PAGE_SIZE; } } - mb(); - radeon_gart_tlb_flush(rdev); + if (rdev->gart.ptr) { + mb(); + radeon_gart_tlb_flush(rdev); + } return 0; } diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index ac3c1310b953..3dcc5733ff69 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -36,6 +36,7 @@ void radeon_gem_object_free(struct drm_gem_object *gobj) if (robj) { if (robj->gem_base.import_attach) drm_prime_gem_destroy(&robj->gem_base, robj->tbo.sg); + radeon_mn_unregister(robj); radeon_bo_unref(&robj); } } @@ -428,7 +429,6 @@ int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data, int radeon_gem_busy_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) { - struct radeon_device *rdev = dev->dev_private; struct drm_radeon_gem_busy *args = data; struct drm_gem_object *gobj; struct radeon_bo *robj; @@ -440,10 +440,16 @@ int radeon_gem_busy_ioctl(struct drm_device *dev, void *data, return -ENOENT; } robj = gem_to_radeon_bo(gobj); - r = radeon_bo_wait(robj, &cur_placement, true); + + r = reservation_object_test_signaled_rcu(robj->tbo.resv, true); + if (r == 0) + r = -EBUSY; + else + r = 0; + + cur_placement = ACCESS_ONCE(robj->tbo.mem.mem_type); args->domain = radeon_mem_type_to_domain(cur_placement); drm_gem_object_unreference_unlocked(gobj); - r = radeon_gem_handle_lockup(rdev, r); return r; } @@ -471,6 +477,7 @@ int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data, r = ret; /* Flush HDP cache via MMIO if necessary */ + cur_placement = ACCESS_ONCE(robj->tbo.mem.mem_type); if (rdev->asic->mmio_hdp_flush && radeon_mem_type_to_domain(cur_placement) == RADEON_GEM_DOMAIN_VRAM) robj->rdev->asic->mmio_hdp_flush(rdev); diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index 1162bfa464f3..171d3e43c30c 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -79,6 +79,11 @@ static void radeon_hotplug_work_func(struct work_struct *work) struct drm_mode_config *mode_config = &dev->mode_config; struct drm_connector *connector; + /* we can race here at startup, some boards seem to trigger + * hotplug irqs when they shouldn't. */ + if (!rdev->mode_info.mode_config_initialized) + return; + mutex_lock(&mode_config->mutex); if (mode_config->num_connector) { list_for_each_entry(connector, &mode_config->connector_list, head) diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index 6de5459316b5..aecc3e3dec0c 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -237,7 +237,6 @@ struct radeon_afmt { int offset; bool last_buffer_filled_status; int id; - struct r600_audio_pin *pin; }; struct radeon_mode_info { @@ -343,7 +342,6 @@ struct radeon_crtc { int max_cursor_width; int max_cursor_height; uint32_t legacy_display_base_addr; - uint32_t legacy_cursor_offset; enum radeon_rmx_type rmx_type; u8 h_border; u8 v_border; @@ -440,6 +438,7 @@ struct radeon_encoder_atom_dig { uint8_t backlight_level; int panel_mode; struct radeon_afmt *afmt; + struct r600_audio_pin *pin; int active_mst_links; }; diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 318165d4855c..676362769b8d 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -75,7 +75,6 @@ static void radeon_ttm_bo_destroy(struct ttm_buffer_object *tbo) bo = container_of(tbo, struct radeon_bo, tbo); radeon_update_memory_usage(bo, bo->tbo.mem.mem_type, -1); - radeon_mn_unregister(bo); mutex_lock(&bo->rdev->gem.mutex); list_del_init(&bo->list); diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index ec10533a49b8..48d97c040f49 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -493,38 +493,35 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev, } if (bo_va->it.start || bo_va->it.last) { - spin_lock(&vm->status_lock); - if (list_empty(&bo_va->vm_status)) { - /* add a clone of the bo_va to clear the old address */ - struct radeon_bo_va *tmp; - spin_unlock(&vm->status_lock); - tmp = kzalloc(sizeof(struct radeon_bo_va), GFP_KERNEL); - if (!tmp) { - mutex_unlock(&vm->mutex); - r = -ENOMEM; - goto error_unreserve; - } - tmp->it.start = bo_va->it.start; - tmp->it.last = bo_va->it.last; - tmp->vm = vm; - tmp->bo = radeon_bo_ref(bo_va->bo); - spin_lock(&vm->status_lock); - list_add(&tmp->vm_status, &vm->freed); + /* add a clone of the bo_va to clear the old address */ + struct radeon_bo_va *tmp; + tmp = kzalloc(sizeof(struct radeon_bo_va), GFP_KERNEL); + if (!tmp) { + mutex_unlock(&vm->mutex); + r = -ENOMEM; + goto error_unreserve; } - spin_unlock(&vm->status_lock); + tmp->it.start = bo_va->it.start; + tmp->it.last = bo_va->it.last; + tmp->vm = vm; + tmp->bo = radeon_bo_ref(bo_va->bo); interval_tree_remove(&bo_va->it, &vm->va); + spin_lock(&vm->status_lock); bo_va->it.start = 0; bo_va->it.last = 0; + list_del_init(&bo_va->vm_status); + list_add(&tmp->vm_status, &vm->freed); + spin_unlock(&vm->status_lock); } if (soffset || eoffset) { + spin_lock(&vm->status_lock); bo_va->it.start = soffset; bo_va->it.last = eoffset - 1; - interval_tree_insert(&bo_va->it, &vm->va); - spin_lock(&vm->status_lock); list_add(&bo_va->vm_status, &vm->cleared); spin_unlock(&vm->status_lock); + interval_tree_insert(&bo_va->it, &vm->va); } bo_va->flags = flags; @@ -1158,7 +1155,8 @@ void radeon_vm_bo_invalidate(struct radeon_device *rdev, list_for_each_entry(bo_va, &bo->va, bo_list) { spin_lock(&bo_va->vm->status_lock); - if (list_empty(&bo_va->vm_status)) + if (list_empty(&bo_va->vm_status) && + (bo_va->it.start || bo_va->it.last)) list_add(&bo_va->vm_status, &bo_va->vm->invalidated); spin_unlock(&bo_va->vm->status_lock); } diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 26388b5dd6ed..07037e32dea3 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -6466,23 +6466,27 @@ restart_ih: case 1: /* D1 vblank/vline */ switch (src_data) { case 0: /* D1 vblank */ - if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[0]) { - drm_handle_vblank(rdev->ddev, 0); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[0])) - radeon_crtc_handle_vblank(rdev, 0); - rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D1 vblank\n"); + if (!(rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[0]) { + drm_handle_vblank(rdev->ddev, 0); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[0])) + radeon_crtc_handle_vblank(rdev, 0); + rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D1 vblank\n"); + break; case 1: /* D1 vline */ - if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT; - DRM_DEBUG("IH: D1 vline\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT; + DRM_DEBUG("IH: D1 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -6492,23 +6496,27 @@ restart_ih: case 2: /* D2 vblank/vline */ switch (src_data) { case 0: /* D2 vblank */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[1]) { - drm_handle_vblank(rdev->ddev, 1); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[1])) - radeon_crtc_handle_vblank(rdev, 1); - rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D2 vblank\n"); + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[1]) { + drm_handle_vblank(rdev->ddev, 1); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[1])) + radeon_crtc_handle_vblank(rdev, 1); + rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D2 vblank\n"); + break; case 1: /* D2 vline */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT; - DRM_DEBUG("IH: D2 vline\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT; + DRM_DEBUG("IH: D2 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -6518,23 +6526,27 @@ restart_ih: case 3: /* D3 vblank/vline */ switch (src_data) { case 0: /* D3 vblank */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[2]) { - drm_handle_vblank(rdev->ddev, 2); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[2])) - radeon_crtc_handle_vblank(rdev, 2); - rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D3 vblank\n"); + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[2]) { + drm_handle_vblank(rdev->ddev, 2); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[2])) + radeon_crtc_handle_vblank(rdev, 2); + rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D3 vblank\n"); + break; case 1: /* D3 vline */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT; - DRM_DEBUG("IH: D3 vline\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT; + DRM_DEBUG("IH: D3 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -6544,23 +6556,27 @@ restart_ih: case 4: /* D4 vblank/vline */ switch (src_data) { case 0: /* D4 vblank */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[3]) { - drm_handle_vblank(rdev->ddev, 3); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[3])) - radeon_crtc_handle_vblank(rdev, 3); - rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D4 vblank\n"); + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[3]) { + drm_handle_vblank(rdev->ddev, 3); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[3])) + radeon_crtc_handle_vblank(rdev, 3); + rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D4 vblank\n"); + break; case 1: /* D4 vline */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT; - DRM_DEBUG("IH: D4 vline\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT; + DRM_DEBUG("IH: D4 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -6570,23 +6586,27 @@ restart_ih: case 5: /* D5 vblank/vline */ switch (src_data) { case 0: /* D5 vblank */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[4]) { - drm_handle_vblank(rdev->ddev, 4); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[4])) - radeon_crtc_handle_vblank(rdev, 4); - rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D5 vblank\n"); + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[4]) { + drm_handle_vblank(rdev->ddev, 4); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[4])) + radeon_crtc_handle_vblank(rdev, 4); + rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D5 vblank\n"); + break; case 1: /* D5 vline */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT; - DRM_DEBUG("IH: D5 vline\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT; + DRM_DEBUG("IH: D5 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -6596,23 +6616,27 @@ restart_ih: case 6: /* D6 vblank/vline */ switch (src_data) { case 0: /* D6 vblank */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) { - if (rdev->irq.crtc_vblank_int[5]) { - drm_handle_vblank(rdev->ddev, 5); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); - } - if (atomic_read(&rdev->irq.pflip[5])) - radeon_crtc_handle_vblank(rdev, 5); - rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT; - DRM_DEBUG("IH: D6 vblank\n"); + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + if (rdev->irq.crtc_vblank_int[5]) { + drm_handle_vblank(rdev->ddev, 5); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); } + if (atomic_read(&rdev->irq.pflip[5])) + radeon_crtc_handle_vblank(rdev, 5); + rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT; + DRM_DEBUG("IH: D6 vblank\n"); + break; case 1: /* D6 vline */ - if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT; - DRM_DEBUG("IH: D6 vline\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT; + DRM_DEBUG("IH: D6 vline\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); @@ -6632,88 +6656,112 @@ restart_ih: case 42: /* HPD hotplug */ switch (src_data) { case 0: - if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD1\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD1\n"); + break; case 1: - if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD2\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD2\n"); + break; case 2: - if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD3\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD3\n"); + break; case 3: - if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD4\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD4\n"); + break; case 4: - if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD5\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD5\n"); + break; case 5: - if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT; - queue_hotplug = true; - DRM_DEBUG("IH: HPD6\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT; + queue_hotplug = true; + DRM_DEBUG("IH: HPD6\n"); + break; case 6: - if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_RX_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 1\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 1\n"); + break; case 7: - if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_RX_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 2\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 2\n"); + break; case 8: - if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_RX_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 3\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 3\n"); + break; case 9: - if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_RX_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 4\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 4\n"); + break; case 10: - if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_RX_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 5\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 5\n"); + break; case 11: - if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_RX_INTERRUPT) { - rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_RX_INTERRUPT; - queue_dp = true; - DRM_DEBUG("IH: HPD_RX 6\n"); - } + if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_RX_INTERRUPT)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + + rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_RX_INTERRUPT; + queue_dp = true; + DRM_DEBUG("IH: HPD_RX 6\n"); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 1dbdf3230dae..787cd8fd897f 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2926,6 +2926,7 @@ static struct si_dpm_quirk si_dpm_quirk_list[] = { /* PITCAIRN - https://bugs.freedesktop.org/show_bug.cgi?id=76490 */ { PCI_VENDOR_ID_ATI, 0x6810, 0x1462, 0x3036, 0, 120000 }, { PCI_VENDOR_ID_ATI, 0x6811, 0x174b, 0xe271, 0, 120000 }, + { PCI_VENDOR_ID_ATI, 0x6810, 0x174b, 0xe271, 85000, 90000 }, { 0, 0, 0, 0 }, }; diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c index 01b558fe3695..9a0c2911272a 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c @@ -555,7 +555,6 @@ static struct platform_driver rockchip_drm_platform_driver = { .probe = rockchip_drm_platform_probe, .remove = rockchip_drm_platform_remove, .driver = { - .owner = THIS_MODULE, .name = "rockchip-drm", .of_match_table = rockchip_drm_dt_ids, .pm = &rockchip_drm_pm_ops, diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index 77d52893d40f..002645bb5bbf 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -162,7 +162,8 @@ static void rockchip_drm_output_poll_changed(struct drm_device *dev) struct rockchip_drm_private *private = dev->dev_private; struct drm_fb_helper *fb_helper = &private->fbdev_helper; - drm_fb_helper_hotplug_event(fb_helper); + if (fb_helper) + drm_fb_helper_hotplug_event(fb_helper); } static const struct drm_mode_config_funcs rockchip_drm_mode_config_funcs = { diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index eb2282cc4a56..eba5f8a52fbd 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -54,55 +54,56 @@ static void rockchip_gem_free_buf(struct rockchip_gem_object *rk_obj) &rk_obj->dma_attrs); } -int rockchip_gem_mmap_buf(struct drm_gem_object *obj, - struct vm_area_struct *vma) +static int rockchip_drm_gem_object_mmap(struct drm_gem_object *obj, + struct vm_area_struct *vma) + { + int ret; struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj); struct drm_device *drm = obj->dev; - unsigned long vm_size; - vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP; - vm_size = vma->vm_end - vma->vm_start; - - if (vm_size > obj->size) - return -EINVAL; + /* + * dma_alloc_attrs() allocated a struct page table for rk_obj, so clear + * VM_PFNMAP flag that was set by drm_gem_mmap_obj()/drm_gem_mmap(). + */ + vma->vm_flags &= ~VM_PFNMAP; - return dma_mmap_attrs(drm->dev, vma, rk_obj->kvaddr, rk_obj->dma_addr, + ret = dma_mmap_attrs(drm->dev, vma, rk_obj->kvaddr, rk_obj->dma_addr, obj->size, &rk_obj->dma_attrs); + if (ret) + drm_gem_vm_close(vma); + + return ret; } -/* drm driver mmap file operations */ -int rockchip_gem_mmap(struct file *filp, struct vm_area_struct *vma) +int rockchip_gem_mmap_buf(struct drm_gem_object *obj, + struct vm_area_struct *vma) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->minor->dev; - struct drm_gem_object *obj; - struct drm_vma_offset_node *node; + struct drm_device *drm = obj->dev; int ret; - if (drm_device_is_unplugged(dev)) - return -ENODEV; + mutex_lock(&drm->struct_mutex); + ret = drm_gem_mmap_obj(obj, obj->size, vma); + mutex_unlock(&drm->struct_mutex); + if (ret) + return ret; - mutex_lock(&dev->struct_mutex); + return rockchip_drm_gem_object_mmap(obj, vma); +} - node = drm_vma_offset_exact_lookup(dev->vma_offset_manager, - vma->vm_pgoff, - vma_pages(vma)); - if (!node) { - mutex_unlock(&dev->struct_mutex); - DRM_ERROR("failed to find vma node.\n"); - return -EINVAL; - } else if (!drm_vma_node_is_allowed(node, filp)) { - mutex_unlock(&dev->struct_mutex); - return -EACCES; - } +/* drm driver mmap file operations */ +int rockchip_gem_mmap(struct file *filp, struct vm_area_struct *vma) +{ + struct drm_gem_object *obj; + int ret; - obj = container_of(node, struct drm_gem_object, vma_node); - ret = rockchip_gem_mmap_buf(obj, vma); + ret = drm_gem_mmap(filp, vma); + if (ret) + return ret; - mutex_unlock(&dev->struct_mutex); + obj = vma->vm_private_data; - return ret; + return rockchip_drm_gem_object_mmap(obj, vma); } struct rockchip_gem_object * diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index dc65161d7cad..34b78e736532 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -170,6 +170,7 @@ struct vop_win_phy { struct vop_reg enable; struct vop_reg format; + struct vop_reg rb_swap; struct vop_reg act_info; struct vop_reg dsp_info; struct vop_reg dsp_st; @@ -199,8 +200,12 @@ struct vop_data { static const uint32_t formats_01[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_XBGR8888, + DRM_FORMAT_ABGR8888, DRM_FORMAT_RGB888, + DRM_FORMAT_BGR888, DRM_FORMAT_RGB565, + DRM_FORMAT_BGR565, DRM_FORMAT_NV12, DRM_FORMAT_NV16, DRM_FORMAT_NV24, @@ -209,8 +214,12 @@ static const uint32_t formats_01[] = { static const uint32_t formats_234[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_XBGR8888, + DRM_FORMAT_ABGR8888, DRM_FORMAT_RGB888, + DRM_FORMAT_BGR888, DRM_FORMAT_RGB565, + DRM_FORMAT_BGR565, }; static const struct vop_win_phy win01_data = { @@ -218,6 +227,7 @@ static const struct vop_win_phy win01_data = { .nformats = ARRAY_SIZE(formats_01), .enable = VOP_REG(WIN0_CTRL0, 0x1, 0), .format = VOP_REG(WIN0_CTRL0, 0x7, 1), + .rb_swap = VOP_REG(WIN0_CTRL0, 0x1, 12), .act_info = VOP_REG(WIN0_ACT_INFO, 0x1fff1fff, 0), .dsp_info = VOP_REG(WIN0_DSP_INFO, 0x0fff0fff, 0), .dsp_st = VOP_REG(WIN0_DSP_ST, 0x1fff1fff, 0), @@ -234,6 +244,7 @@ static const struct vop_win_phy win23_data = { .nformats = ARRAY_SIZE(formats_234), .enable = VOP_REG(WIN2_CTRL0, 0x1, 0), .format = VOP_REG(WIN2_CTRL0, 0x7, 1), + .rb_swap = VOP_REG(WIN2_CTRL0, 0x1, 12), .dsp_info = VOP_REG(WIN2_DSP_INFO0, 0x0fff0fff, 0), .dsp_st = VOP_REG(WIN2_DSP_ST0, 0x1fff1fff, 0), .yrgb_mst = VOP_REG(WIN2_MST0, 0xffffffff, 0), @@ -242,15 +253,6 @@ static const struct vop_win_phy win23_data = { .dst_alpha_ctl = VOP_REG(WIN2_DST_ALPHA_CTRL, 0xff, 0), }; -static const struct vop_win_phy cursor_data = { - .data_formats = formats_234, - .nformats = ARRAY_SIZE(formats_234), - .enable = VOP_REG(HWC_CTRL0, 0x1, 0), - .format = VOP_REG(HWC_CTRL0, 0x7, 1), - .dsp_st = VOP_REG(HWC_DSP_ST, 0x1fff1fff, 0), - .yrgb_mst = VOP_REG(HWC_MST, 0xffffffff, 0), -}; - static const struct vop_ctrl ctrl_data = { .standby = VOP_REG(SYS_CTRL, 0x1, 22), .gate_en = VOP_REG(SYS_CTRL, 0x1, 23), @@ -282,14 +284,14 @@ static const struct vop_reg_data vop_init_reg_table[] = { /* * Note: rk3288 has a dedicated 'cursor' window, however, that window requires * special support to get alpha blending working. For now, just use overlay - * window 1 for the drm cursor. + * window 3 for the drm cursor. + * */ static const struct vop_win_data rk3288_vop_win_data[] = { { .base = 0x00, .phy = &win01_data, .type = DRM_PLANE_TYPE_PRIMARY }, - { .base = 0x40, .phy = &win01_data, .type = DRM_PLANE_TYPE_CURSOR }, + { .base = 0x40, .phy = &win01_data, .type = DRM_PLANE_TYPE_OVERLAY }, { .base = 0x00, .phy = &win23_data, .type = DRM_PLANE_TYPE_OVERLAY }, - { .base = 0x50, .phy = &win23_data, .type = DRM_PLANE_TYPE_OVERLAY }, - { .base = 0x00, .phy = &cursor_data, .type = DRM_PLANE_TYPE_OVERLAY }, + { .base = 0x50, .phy = &win23_data, .type = DRM_PLANE_TYPE_CURSOR }, }; static const struct vop_data rk3288_vop = { @@ -352,15 +354,32 @@ static inline void vop_mask_write_relaxed(struct vop *vop, uint32_t offset, } } +static bool has_rb_swapped(uint32_t format) +{ + switch (format) { + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + case DRM_FORMAT_BGR888: + case DRM_FORMAT_BGR565: + return true; + default: + return false; + } +} + static enum vop_data_format vop_convert_format(uint32_t format) { switch (format) { case DRM_FORMAT_XRGB8888: case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: return VOP_FMT_ARGB8888; case DRM_FORMAT_RGB888: + case DRM_FORMAT_BGR888: return VOP_FMT_RGB888; case DRM_FORMAT_RGB565: + case DRM_FORMAT_BGR565: return VOP_FMT_RGB565; case DRM_FORMAT_NV12: return VOP_FMT_YUV420SP; @@ -378,6 +397,7 @@ static bool is_alpha_support(uint32_t format) { switch (format) { case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_ABGR8888: return true; default: return false; @@ -588,6 +608,7 @@ static int vop_update_plane_event(struct drm_plane *plane, enum vop_data_format format; uint32_t val; bool is_alpha; + bool rb_swap; bool visible; int ret; struct drm_rect dest = { @@ -621,6 +642,7 @@ static int vop_update_plane_event(struct drm_plane *plane, return 0; is_alpha = is_alpha_support(fb->pixel_format); + rb_swap = has_rb_swapped(fb->pixel_format); format = vop_convert_format(fb->pixel_format); if (format < 0) return format; @@ -689,6 +711,7 @@ static int vop_update_plane_event(struct drm_plane *plane, val = (dsp_sty - 1) << 16; val |= (dsp_stx - 1) & 0xffff; VOP_WIN_SET(vop, win, dsp_st, val); + VOP_WIN_SET(vop, win, rb_swap, rb_swap); if (is_alpha) { VOP_WIN_SET(vop, win, dst_alpha_ctl, diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 882cccdad272..ac6fe40b99f7 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -490,7 +490,8 @@ pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp) else if (boot_cpu_data.x86 > 3) tmp = pgprot_noncached(tmp); #endif -#if defined(__ia64__) || defined(__arm__) || defined(__powerpc__) +#if defined(__ia64__) || defined(__arm__) || defined(__aarch64__) || \ + defined(__powerpc__) if (caching_flags & TTM_PL_FLAG_WC) tmp = pgprot_writecombine(tmp); else diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c index 3077f1554099..624d941aaad1 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c @@ -963,14 +963,13 @@ void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev) } else { pool->npages_free += count; list_splice(&ttm_dma->pages_list, &pool->free_list); - npages = count; - if (pool->npages_free > _manager->options.max_size) { + /* + * Wait to have at at least NUM_PAGES_TO_ALLOC number of pages + * to free in order to minimize calls to set_memory_wb(). + */ + if (pool->npages_free >= (_manager->options.max_size + + NUM_PAGES_TO_ALLOC)) npages = pool->npages_free - _manager->options.max_size; - /* free at least NUM_PAGES_TO_ALLOC number of pages - * to reduce calls to set_memory_wb */ - if (npages < NUM_PAGES_TO_ALLOC) - npages = NUM_PAGES_TO_ALLOC; - } } spin_unlock_irqrestore(&pool->lock, irq_flags); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 654c8daeb5ab..97ad3bcb99a7 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -2492,7 +2492,7 @@ int vmw_execbuf_process(struct drm_file *file_priv, ret = ttm_eu_reserve_buffers(&ticket, &sw_context->validate_nodes, true, NULL); if (unlikely(ret != 0)) - goto out_err; + goto out_err_nores; ret = vmw_validate_buffers(dev_priv, sw_context); if (unlikely(ret != 0)) @@ -2536,6 +2536,7 @@ int vmw_execbuf_process(struct drm_file *file_priv, vmw_resource_relocations_free(&sw_context->res_relocations); vmw_fifo_commit(dev_priv, command_size); + mutex_unlock(&dev_priv->binding_mutex); vmw_query_bo_switch_commit(dev_priv, sw_context); ret = vmw_execbuf_fence_commands(file_priv, dev_priv, @@ -2551,7 +2552,6 @@ int vmw_execbuf_process(struct drm_file *file_priv, DRM_ERROR("Fence submission error. Syncing.\n"); vmw_resource_list_unreserve(&sw_context->resource_list, false); - mutex_unlock(&dev_priv->binding_mutex); ttm_eu_fence_buffer_objects(&ticket, &sw_context->validate_nodes, (void *) fence); diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index 6d2f39d36e44..00f2058944e5 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -1107,6 +1107,9 @@ static int ipu_irq_init(struct ipu_soc *ipu) return ret; } + for (i = 0; i < IPU_NUM_IRQS; i += 32) + ipu_cm_write(ipu, 0, IPU_INT_CTRL(i / 32)); + for (i = 0; i < IPU_NUM_IRQS; i += 32) { gc = irq_get_domain_generic_chip(ipu->domain, i); gc->reg_base = ipu->cm_reg; diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index f822fd2a1ada..884d82f9190e 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -546,6 +546,12 @@ static const struct hid_device_id apple_devices[] = { .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS), .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO), diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 157c62775053..e6fce23b121a 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1782,6 +1782,9 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, @@ -2463,6 +2466,9 @@ static const struct hid_device_id hid_mouse_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { } diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c index 3318de690e00..a2dbbbe0d8d7 100644 --- a/drivers/hid/hid-cp2112.c +++ b/drivers/hid/hid-cp2112.c @@ -356,6 +356,8 @@ static int cp2112_read(struct cp2112_device *dev, u8 *data, size_t size) struct cp2112_force_read_report report; int ret; + if (size > sizeof(dev->read_data)) + size = sizeof(dev->read_data); report.report = CP2112_DATA_READ_FORCE_SEND; report.length = cpu_to_be16(size); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index b04b0820d816..b3b225b75d0a 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -142,6 +142,9 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI 0x0290 #define USB_DEVICE_ID_APPLE_WELLSPRING8_ISO 0x0291 #define USB_DEVICE_ID_APPLE_WELLSPRING8_JIS 0x0292 +#define USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI 0x0272 +#define USB_DEVICE_ID_APPLE_WELLSPRING9_ISO 0x0273 +#define USB_DEVICE_ID_APPLE_WELLSPRING9_JIS 0x0274 #define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY 0x030a #define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY 0x030b #define USB_DEVICE_ID_APPLE_IRCONTROL 0x8240 diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 3511bbaba505..e3c63640df73 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -462,12 +462,15 @@ out: static void hidinput_cleanup_battery(struct hid_device *dev) { + const struct power_supply_desc *psy_desc; + if (!dev->battery) return; + psy_desc = dev->battery->desc; power_supply_unregister(dev->battery); - kfree(dev->battery->desc->name); - kfree(dev->battery->desc); + kfree(psy_desc->name); + kfree(psy_desc); dev->battery = NULL; } #else /* !CONFIG_HID_BATTERY_STRENGTH */ diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 6a9b05b328a9..7c811252c1ce 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -778,9 +778,16 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, /* * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" * for the stylus. + * The check for mt_report_id ensures we don't process + * HID_DG_CONTACTCOUNT from the pen report as it is outside the physical + * collection, but within the report ID. */ if (field->physical == HID_DG_STYLUS) return 0; + else if ((field->physical == 0) && + (field->report->id != td->mt_report_id) && + (td->mt_report_id != -1)) + return 0; if (field->application == HID_DG_TOUCHSCREEN || field->application == HID_DG_TOUCHPAD) diff --git a/drivers/hid/hid-uclogic.c b/drivers/hid/hid-uclogic.c index 94167310e15a..b905d501e752 100644 --- a/drivers/hid/hid-uclogic.c +++ b/drivers/hid/hid-uclogic.c @@ -858,7 +858,7 @@ static int uclogic_tablet_enable(struct hid_device *hdev) for (p = drvdata->rdesc; p <= drvdata->rdesc + drvdata->rsize - 4;) { if (p[0] == 0xFE && p[1] == 0xED && p[2] == 0x1D && - p[3] < sizeof(params)) { + p[3] < ARRAY_SIZE(params)) { v = params[p[3]]; put_unaligned(cpu_to_le32(v), (s32 *)p); p += 4; diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 53e7de7cb9e2..20f9a653444c 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -87,6 +87,9 @@ static const struct hid_blacklist { { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOUSE_C05A, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOUSE_C06A, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_SURFACE_PRO_2, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_2, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3_JP, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER, HID_QUIRK_NO_INIT_REPORTS }, diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 4c0ffca97bef..01b937e63cf3 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -1271,17 +1271,52 @@ fail_leds: pad_input_dev = NULL; wacom_wac->pad_registered = false; fail_register_pad_input: - input_unregister_device(touch_input_dev); + if (touch_input_dev) + input_unregister_device(touch_input_dev); wacom_wac->touch_input = NULL; wacom_wac->touch_registered = false; fail_register_touch_input: - input_unregister_device(pen_input_dev); + if (pen_input_dev) + input_unregister_device(pen_input_dev); wacom_wac->pen_input = NULL; wacom_wac->pen_registered = false; fail_register_pen_input: return error; } +/* + * Not all devices report physical dimensions from HID. + * Compute the default from hardcoded logical dimension + * and resolution before driver overwrites them. + */ +static void wacom_set_default_phy(struct wacom_features *features) +{ + if (features->x_resolution) { + features->x_phy = (features->x_max * 100) / + features->x_resolution; + features->y_phy = (features->y_max * 100) / + features->y_resolution; + } +} + +static void wacom_calculate_res(struct wacom_features *features) +{ + /* set unit to "100th of a mm" for devices not reported by HID */ + if (!features->unit) { + features->unit = 0x11; + features->unitExpo = -3; + } + + features->x_resolution = wacom_calc_hid_res(features->x_max, + features->x_phy, + features->unit, + features->unitExpo); + features->y_resolution = wacom_calc_hid_res(features->y_max, + features->y_phy, + features->unit, + features->unitExpo); +} + static void wacom_wireless_work(struct work_struct *work) { struct wacom *wacom = container_of(work, struct wacom, work); @@ -1339,6 +1374,8 @@ static void wacom_wireless_work(struct work_struct *work) if (wacom_wac1->features.type != INTUOSHT && wacom_wac1->features.type != BAMBOO_PT) wacom_wac1->features.device_type |= WACOM_DEVICETYPE_PAD; + wacom_set_default_phy(&wacom_wac1->features); + wacom_calculate_res(&wacom_wac1->features); snprintf(wacom_wac1->pen_name, WACOM_NAME_MAX, "%s (WL) Pen", wacom_wac1->features.name); snprintf(wacom_wac1->pad_name, WACOM_NAME_MAX, "%s (WL) Pad", @@ -1357,7 +1394,9 @@ static void wacom_wireless_work(struct work_struct *work) wacom_wac2->features = *((struct wacom_features *)id->driver_data); wacom_wac2->features.pktlen = WACOM_PKGLEN_BBTOUCH3; + wacom_set_default_phy(&wacom_wac2->features); wacom_wac2->features.x_max = wacom_wac2->features.y_max = 4096; + wacom_calculate_res(&wacom_wac2->features); snprintf(wacom_wac2->touch_name, WACOM_NAME_MAX, "%s (WL) Finger",wacom_wac2->features.name); snprintf(wacom_wac2->pad_name, WACOM_NAME_MAX, @@ -1405,39 +1444,6 @@ void wacom_battery_work(struct work_struct *work) } } -/* - * Not all devices report physical dimensions from HID. - * Compute the default from hardcoded logical dimension - * and resolution before driver overwrites them. - */ -static void wacom_set_default_phy(struct wacom_features *features) -{ - if (features->x_resolution) { - features->x_phy = (features->x_max * 100) / - features->x_resolution; - features->y_phy = (features->y_max * 100) / - features->y_resolution; - } -} - -static void wacom_calculate_res(struct wacom_features *features) -{ - /* set unit to "100th of a mm" for devices not reported by HID */ - if (!features->unit) { - features->unit = 0x11; - features->unitExpo = -3; - } - - features->x_resolution = wacom_calc_hid_res(features->x_max, - features->x_phy, - features->unit, - features->unitExpo); - features->y_resolution = wacom_calc_hid_res(features->y_max, - features->y_phy, - features->unit, - features->unitExpo); -} - static size_t wacom_compute_pktlen(struct hid_device *hdev) { struct hid_report_enum *report_enum; diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 232da89f4e88..0d244239e55d 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -2213,6 +2213,9 @@ void wacom_setup_device_quirks(struct wacom *wacom) features->x_max = 4096; features->y_max = 4096; } + else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) { + features->device_type |= WACOM_DEVICETYPE_PAD; + } } /* diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c index 37c16afe007a..c8487894b312 100644 --- a/drivers/hwmon/dell-smm-hwmon.c +++ b/drivers/hwmon/dell-smm-hwmon.c @@ -929,6 +929,21 @@ static struct dmi_system_id i8k_dmi_table[] __initdata = { MODULE_DEVICE_TABLE(dmi, i8k_dmi_table); +static struct dmi_system_id i8k_blacklist_dmi_table[] __initdata = { + { + /* + * CPU fan speed going up and down on Dell Studio XPS 8100 + * for unknown reasons. + */ + .ident = "Dell Studio XPS 8100", + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Studio XPS 8100"), + }, + }, + { } +}; + /* * Probe for the presence of a supported laptop. */ @@ -940,7 +955,8 @@ static int __init i8k_probe(void) /* * Get DMI information */ - if (!dmi_check_system(i8k_dmi_table)) { + if (!dmi_check_system(i8k_dmi_table) || + dmi_check_system(i8k_blacklist_dmi_table)) { if (!ignore_dmi && !force) return -ENODEV; diff --git a/drivers/hwmon/g762.c b/drivers/hwmon/g762.c index 9b55e673b67c..85d106fe3ce8 100644 --- a/drivers/hwmon/g762.c +++ b/drivers/hwmon/g762.c @@ -582,6 +582,7 @@ static const struct of_device_id g762_dt_match[] = { { .compatible = "gmt,g763" }, { }, }; +MODULE_DEVICE_TABLE(of, g762_dt_match); /* * Grab clock (a required property), enable it, get (fixed) clock frequency diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c index 28fcb2e246d5..fbfc02bb2cfa 100644 --- a/drivers/hwmon/nct7802.c +++ b/drivers/hwmon/nct7802.c @@ -195,7 +195,7 @@ abort: } static int nct7802_write_voltage(struct nct7802_data *data, int nr, int index, - unsigned int voltage) + unsigned long voltage) { int shift = 8 - REG_VOLTAGE_LIMIT_MSB_SHIFT[index - 1][nr]; int err; diff --git a/drivers/hwmon/nct7904.c b/drivers/hwmon/nct7904.c index b77b82f24480..08ff89d222e5 100644 --- a/drivers/hwmon/nct7904.c +++ b/drivers/hwmon/nct7904.c @@ -412,8 +412,9 @@ static ssize_t show_pwm(struct device *dev, return sprintf(buf, "%d\n", val); } -static ssize_t store_mode(struct device *dev, struct device_attribute *devattr, - const char *buf, size_t count) +static ssize_t store_enable(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) { int index = to_sensor_dev_attr(devattr)->index; struct nct7904_data *data = dev_get_drvdata(dev); @@ -422,18 +423,18 @@ static ssize_t store_mode(struct device *dev, struct device_attribute *devattr, if (kstrtoul(buf, 10, &val) < 0) return -EINVAL; - if (val > 1 || (val && !data->fan_mode[index])) + if (val < 1 || val > 2 || (val == 2 && !data->fan_mode[index])) return -EINVAL; ret = nct7904_write_reg(data, BANK_3, FANCTL1_FMR_REG + index, - val ? data->fan_mode[index] : 0); + val == 2 ? data->fan_mode[index] : 0); return ret ? ret : count; } -/* Return 0 for manual mode or 1 for SmartFan mode */ -static ssize_t show_mode(struct device *dev, - struct device_attribute *devattr, char *buf) +/* Return 1 for manual mode or 2 for SmartFan mode */ +static ssize_t show_enable(struct device *dev, + struct device_attribute *devattr, char *buf) { int index = to_sensor_dev_attr(devattr)->index; struct nct7904_data *data = dev_get_drvdata(dev); @@ -443,36 +444,36 @@ static ssize_t show_mode(struct device *dev, if (val < 0) return val; - return sprintf(buf, "%d\n", val ? 1 : 0); + return sprintf(buf, "%d\n", val ? 2 : 1); } /* 2 attributes per channel: pwm and mode */ -static SENSOR_DEVICE_ATTR(fan1_pwm, S_IRUGO | S_IWUSR, +static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 0); -static SENSOR_DEVICE_ATTR(fan1_mode, S_IRUGO | S_IWUSR, - show_mode, store_mode, 0); -static SENSOR_DEVICE_ATTR(fan2_pwm, S_IRUGO | S_IWUSR, +static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, + show_enable, store_enable, 0); +static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 1); -static SENSOR_DEVICE_ATTR(fan2_mode, S_IRUGO | S_IWUSR, - show_mode, store_mode, 1); -static SENSOR_DEVICE_ATTR(fan3_pwm, S_IRUGO | S_IWUSR, +static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, + show_enable, store_enable, 1); +static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 2); -static SENSOR_DEVICE_ATTR(fan3_mode, S_IRUGO | S_IWUSR, - show_mode, store_mode, 2); -static SENSOR_DEVICE_ATTR(fan4_pwm, S_IRUGO | S_IWUSR, +static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, + show_enable, store_enable, 2); +static SENSOR_DEVICE_ATTR(pwm4, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 3); -static SENSOR_DEVICE_ATTR(fan4_mode, S_IRUGO | S_IWUSR, - show_mode, store_mode, 3); +static SENSOR_DEVICE_ATTR(pwm4_enable, S_IRUGO | S_IWUSR, + show_enable, store_enable, 3); static struct attribute *nct7904_fanctl_attrs[] = { - &sensor_dev_attr_fan1_pwm.dev_attr.attr, - &sensor_dev_attr_fan1_mode.dev_attr.attr, - &sensor_dev_attr_fan2_pwm.dev_attr.attr, - &sensor_dev_attr_fan2_mode.dev_attr.attr, - &sensor_dev_attr_fan3_pwm.dev_attr.attr, - &sensor_dev_attr_fan3_mode.dev_attr.attr, - &sensor_dev_attr_fan4_pwm.dev_attr.attr, - &sensor_dev_attr_fan4_mode.dev_attr.attr, + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm3.dev_attr.attr, + &sensor_dev_attr_pwm3_enable.dev_attr.attr, + &sensor_dev_attr_pwm4.dev_attr.attr, + &sensor_dev_attr_pwm4_enable.dev_attr.attr, NULL }; @@ -574,6 +575,7 @@ static const struct i2c_device_id nct7904_id[] = { {"nct7904", 0}, {} }; +MODULE_DEVICE_TABLE(i2c, nct7904_id); static struct i2c_driver nct7904_driver = { .class = I2C_CLASS_HWMON, diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 35ac23768ce9..577d58d1f1a1 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -633,6 +633,7 @@ config I2C_MPC config I2C_MT65XX tristate "MediaTek I2C adapter" depends on ARCH_MEDIATEK || COMPILE_TEST + depends on HAS_DMA help This selects the MediaTek(R) Integrated Inter Circuit bus driver for MT65xx and MT81xx. diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c index af162b4c7a6d..025686d41640 100644 --- a/drivers/i2c/busses/i2c-bfin-twi.c +++ b/drivers/i2c/busses/i2c-bfin-twi.c @@ -692,7 +692,7 @@ static int i2c_bfin_twi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, iface); - dev_info(&pdev->dev, "Blackfin BF5xx on-chip I2C TWI Contoller, " + dev_info(&pdev->dev, "Blackfin BF5xx on-chip I2C TWI Controller, " "regs_base@%p\n", iface->regs_base); return 0; @@ -735,6 +735,6 @@ subsys_initcall(i2c_bfin_twi_init); module_exit(i2c_bfin_twi_exit); MODULE_AUTHOR("Bryan Wu, Sonic Zhang"); -MODULE_DESCRIPTION("Blackfin BF5xx on-chip I2C TWI Contoller Driver"); +MODULE_DESCRIPTION("Blackfin BF5xx on-chip I2C TWI Controller Driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:i2c-bfin-twi"); diff --git a/drivers/i2c/busses/i2c-jz4780.c b/drivers/i2c/busses/i2c-jz4780.c index 19b2d689a5ef..f325663c27c5 100644 --- a/drivers/i2c/busses/i2c-jz4780.c +++ b/drivers/i2c/busses/i2c-jz4780.c @@ -764,12 +764,15 @@ static int jz4780_i2c_probe(struct platform_device *pdev) if (IS_ERR(i2c->clk)) return PTR_ERR(i2c->clk); - clk_prepare_enable(i2c->clk); + ret = clk_prepare_enable(i2c->clk); + if (ret) + return ret; - if (of_property_read_u32(pdev->dev.of_node, "clock-frequency", - &clk_freq)) { + ret = of_property_read_u32(pdev->dev.of_node, "clock-frequency", + &clk_freq); + if (ret) { dev_err(&pdev->dev, "clock-frequency not specified in DT"); - return clk_freq; + goto err; } i2c->speed = clk_freq / 1000; @@ -790,10 +793,8 @@ static int jz4780_i2c_probe(struct platform_device *pdev) i2c->irq = platform_get_irq(pdev, 0); ret = devm_request_irq(&pdev->dev, i2c->irq, jz4780_i2c_irq, 0, dev_name(&pdev->dev), i2c); - if (ret) { - ret = -ENODEV; + if (ret) goto err; - } ret = i2c_add_adapter(&i2c->adap); if (ret < 0) { diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index d1c22e3fdd14..fc9bf7f30e35 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1247,7 +1247,14 @@ static void omap_i2c_prepare_recovery(struct i2c_adapter *adap) u32 reg; reg = omap_i2c_read_reg(dev, OMAP_I2C_SYSTEST_REG); + /* enable test mode */ reg |= OMAP_I2C_SYSTEST_ST_EN; + /* select SDA/SCL IO mode */ + reg |= 3 << OMAP_I2C_SYSTEST_TMODE_SHIFT; + /* set SCL to high-impedance state (reset value is 0) */ + reg |= OMAP_I2C_SYSTEST_SCL_O; + /* set SDA to high-impedance state (reset value is 0) */ + reg |= OMAP_I2C_SYSTEST_SDA_O; omap_i2c_write_reg(dev, OMAP_I2C_SYSTEST_REG, reg); } @@ -1257,7 +1264,11 @@ static void omap_i2c_unprepare_recovery(struct i2c_adapter *adap) u32 reg; reg = omap_i2c_read_reg(dev, OMAP_I2C_SYSTEST_REG); + /* restore reset values */ reg &= ~OMAP_I2C_SYSTEST_ST_EN; + reg &= ~OMAP_I2C_SYSTEST_TMODE_MASK; + reg &= ~OMAP_I2C_SYSTEST_SCL_O; + reg &= ~OMAP_I2C_SYSTEST_SDA_O; omap_i2c_write_reg(dev, OMAP_I2C_SYSTEST_REG, reg); } diff --git a/drivers/i2c/busses/i2c-xgene-slimpro.c b/drivers/i2c/busses/i2c-xgene-slimpro.c index dcca7076231e..1c9cb65ac4cf 100644 --- a/drivers/i2c/busses/i2c-xgene-slimpro.c +++ b/drivers/i2c/busses/i2c-xgene-slimpro.c @@ -419,6 +419,7 @@ static int xgene_slimpro_i2c_probe(struct platform_device *pdev) rc = i2c_add_adapter(adapter); if (rc) { dev_err(&pdev->dev, "Adapter registeration failed\n"); + mbox_free_channel(ctx->mbox_chan); return rc; } diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 069a41f116dd..c83e4d13cfc5 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -567,6 +567,9 @@ static int i2c_generic_recovery(struct i2c_adapter *adap) if (bri->prepare_recovery) bri->prepare_recovery(adap); + bri->set_scl(adap, val); + ndelay(RECOVERY_NDELAY); + /* * By this time SCL is high, as we need to give 9 falling-rising edges */ @@ -597,7 +600,6 @@ static int i2c_generic_recovery(struct i2c_adapter *adap) int i2c_generic_scl_recovery(struct i2c_adapter *adap) { - adap->bus_recovery_info->set_scl(adap, 1); return i2c_generic_recovery(adap); } EXPORT_SYMBOL_GPL(i2c_generic_scl_recovery); @@ -1012,6 +1014,8 @@ EXPORT_SYMBOL_GPL(i2c_new_device); */ void i2c_unregister_device(struct i2c_client *client) { + if (client->dev.of_node) + of_node_clear_flag(client->dev.of_node, OF_POPULATED); device_unregister(&client->dev); } EXPORT_SYMBOL_GPL(i2c_unregister_device); @@ -1320,8 +1324,11 @@ static void of_i2c_register_devices(struct i2c_adapter *adap) dev_dbg(&adap->dev, "of_i2c: walking child nodes\n"); - for_each_available_child_of_node(adap->dev.of_node, node) + for_each_available_child_of_node(adap->dev.of_node, node) { + if (of_node_test_and_set_flag(node, OF_POPULATED)) + continue; of_i2c_register_device(adap, node); + } } static int of_dev_node_match(struct device *dev, void *data) @@ -1333,13 +1340,17 @@ static int of_dev_node_match(struct device *dev, void *data) struct i2c_client *of_find_i2c_device_by_node(struct device_node *node) { struct device *dev; + struct i2c_client *client; - dev = bus_find_device(&i2c_bus_type, NULL, node, - of_dev_node_match); + dev = bus_find_device(&i2c_bus_type, NULL, node, of_dev_node_match); if (!dev) return NULL; - return i2c_verify_client(dev); + client = i2c_verify_client(dev); + if (!client) + put_device(dev); + + return client; } EXPORT_SYMBOL(of_find_i2c_device_by_node); @@ -1347,13 +1358,17 @@ EXPORT_SYMBOL(of_find_i2c_device_by_node); struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node) { struct device *dev; + struct i2c_adapter *adapter; - dev = bus_find_device(&i2c_bus_type, NULL, node, - of_dev_node_match); + dev = bus_find_device(&i2c_bus_type, NULL, node, of_dev_node_match); if (!dev) return NULL; - return i2c_verify_adapter(dev); + adapter = i2c_verify_adapter(dev); + if (!adapter) + put_device(dev); + + return adapter; } EXPORT_SYMBOL(of_find_i2c_adapter_by_node); #else @@ -1853,6 +1868,11 @@ static int of_i2c_notify(struct notifier_block *nb, unsigned long action, if (adap == NULL) return NOTIFY_OK; /* not for us */ + if (of_node_test_and_set_flag(rd->dn, OF_POPULATED)) { + put_device(&adap->dev); + return NOTIFY_OK; + } + client = of_i2c_register_device(adap, rd->dn); put_device(&adap->dev); @@ -1863,6 +1883,10 @@ static int of_i2c_notify(struct notifier_block *nb, unsigned long action, } break; case OF_RECONFIG_CHANGE_REMOVE: + /* already depopulated? */ + if (!of_node_check_flag(rd->dn, OF_POPULATED)) + return NOTIFY_OK; + /* find our device by node */ client = of_find_i2c_device_by_node(rd->dn); if (client == NULL) diff --git a/drivers/i2c/i2c-slave-eeprom.c b/drivers/i2c/i2c-slave-eeprom.c index 822374654609..1da449614779 100644 --- a/drivers/i2c/i2c-slave-eeprom.c +++ b/drivers/i2c/i2c-slave-eeprom.c @@ -80,9 +80,6 @@ static ssize_t i2c_slave_eeprom_bin_read(struct file *filp, struct kobject *kobj struct eeprom_data *eeprom; unsigned long flags; - if (off + count > attr->size) - return -EFBIG; - eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj)); spin_lock_irqsave(&eeprom->buffer_lock, flags); @@ -98,9 +95,6 @@ static ssize_t i2c_slave_eeprom_bin_write(struct file *filp, struct kobject *kob struct eeprom_data *eeprom; unsigned long flags; - if (off + count > attr->size) - return -EFBIG; - eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj)); spin_lock_irqsave(&eeprom->buffer_lock, flags); diff --git a/drivers/iio/accel/bmc150-accel.c b/drivers/iio/accel/bmc150-accel.c index 4e70f51c2370..cc5a35750b50 100644 --- a/drivers/iio/accel/bmc150-accel.c +++ b/drivers/iio/accel/bmc150-accel.c @@ -1464,7 +1464,7 @@ static void bmc150_accel_unregister_triggers(struct bmc150_accel_data *data, { int i; - for (i = from; i >= 0; i++) { + for (i = from; i >= 0; i--) { if (data->triggers[i].indio_trig) { iio_trigger_unregister(data->triggers[i].indio_trig); data->triggers[i].indio_trig = NULL; diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index e8e2077c7244..13ea1ea23328 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -557,21 +557,21 @@ static void mma8452_transient_interrupt(struct iio_dev *indio_dev) if (src & MMA8452_TRANSIENT_SRC_XTRANSE) iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_X, - IIO_EV_TYPE_THRESH, + IIO_EV_TYPE_MAG, IIO_EV_DIR_RISING), ts); if (src & MMA8452_TRANSIENT_SRC_YTRANSE) iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_Y, - IIO_EV_TYPE_THRESH, + IIO_EV_TYPE_MAG, IIO_EV_DIR_RISING), ts); if (src & MMA8452_TRANSIENT_SRC_ZTRANSE) iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_Z, - IIO_EV_TYPE_THRESH, + IIO_EV_TYPE_MAG, IIO_EV_DIR_RISING), ts); } @@ -644,7 +644,7 @@ static int mma8452_reg_access_dbg(struct iio_dev *indio_dev, static const struct iio_event_spec mma8452_transient_event[] = { { - .type = IIO_EV_TYPE_THRESH, + .type = IIO_EV_TYPE_MAG, .dir = IIO_EV_DIR_RISING, .mask_separate = BIT(IIO_EV_INFO_ENABLE), .mask_shared_by_type = BIT(IIO_EV_INFO_VALUE) | diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 7c5565891cb8..eb0cd897714a 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -153,8 +153,7 @@ config DA9150_GPADC config CC10001_ADC tristate "Cosmic Circuits 10001 ADC driver" - depends on HAVE_CLK || REGULATOR - depends on HAS_IOMEM + depends on HAS_IOMEM && HAVE_CLK && REGULATOR select IIO_BUFFER select IIO_TRIGGERED_BUFFER help diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 8a0eb4a04fb5..7b40925dd4ff 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -182,7 +182,7 @@ struct at91_adc_caps { u8 ts_pen_detect_sensitivity; /* startup time calculate function */ - u32 (*calc_startup_ticks)(u8 startup_time, u32 adc_clk_khz); + u32 (*calc_startup_ticks)(u32 startup_time, u32 adc_clk_khz); u8 num_channels; struct at91_adc_reg_desc registers; @@ -201,7 +201,7 @@ struct at91_adc_state { u8 num_channels; void __iomem *reg_base; struct at91_adc_reg_desc *registers; - u8 startup_time; + u32 startup_time; u8 sample_hold_time; bool sleep_mode; struct iio_trigger **trig; @@ -779,7 +779,7 @@ ret: return ret; } -static u32 calc_startup_ticks_9260(u8 startup_time, u32 adc_clk_khz) +static u32 calc_startup_ticks_9260(u32 startup_time, u32 adc_clk_khz) { /* * Number of ticks needed to cover the startup time of the ADC @@ -790,7 +790,7 @@ static u32 calc_startup_ticks_9260(u8 startup_time, u32 adc_clk_khz) return round_up((startup_time * adc_clk_khz / 1000) - 1, 8) / 8; } -static u32 calc_startup_ticks_9x5(u8 startup_time, u32 adc_clk_khz) +static u32 calc_startup_ticks_9x5(u32 startup_time, u32 adc_clk_khz) { /* * For sama5d3x and at91sam9x5, the formula changes to: diff --git a/drivers/iio/adc/mcp320x.c b/drivers/iio/adc/mcp320x.c index 8d9c9b9215dd..d819823f7257 100644 --- a/drivers/iio/adc/mcp320x.c +++ b/drivers/iio/adc/mcp320x.c @@ -299,6 +299,8 @@ static int mcp320x_probe(struct spi_device *spi) indio_dev->channels = chip_info->channels; indio_dev->num_channels = chip_info->num_channels; + adc->chip_info = chip_info; + adc->transfer[0].tx_buf = &adc->tx_buf; adc->transfer[0].len = sizeof(adc->tx_buf); adc->transfer[1].rx_buf = adc->rx_buf; diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index 8d4e019ea4ca..9c311c1e1ac7 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -349,3 +349,7 @@ static struct platform_driver rockchip_saradc_driver = { }; module_platform_driver(rockchip_saradc_driver); + +MODULE_AUTHOR("Heiko Stuebner <heiko@sntech.de>"); +MODULE_DESCRIPTION("Rockchip SARADC driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c index 06f4792240f0..ebe415f10640 100644 --- a/drivers/iio/adc/twl4030-madc.c +++ b/drivers/iio/adc/twl4030-madc.c @@ -833,7 +833,8 @@ static int twl4030_madc_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, twl4030_madc_threaded_irq_handler, - IRQF_TRIGGER_RISING, "twl4030_madc", madc); + IRQF_TRIGGER_RISING | IRQF_ONESHOT, + "twl4030_madc", madc); if (ret) { dev_err(&pdev->dev, "could not request irq\n"); goto err_i2c; diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c index 480f335a0f9f..819632bf1fda 100644 --- a/drivers/iio/adc/vf610_adc.c +++ b/drivers/iio/adc/vf610_adc.c @@ -635,7 +635,7 @@ static int vf610_adc_reg_access(struct iio_dev *indio_dev, struct vf610_adc *info = iio_priv(indio_dev); if ((readval == NULL) || - (!(reg % 4) || (reg > VF610_REG_ADC_PCTL))) + ((reg % 4) || (reg > VF610_REG_ADC_PCTL))) return -EINVAL; *readval = readl(info->regs + reg); diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index 610fc98f88ef..595511022795 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -36,6 +36,8 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state) s32 poll_value = 0; if (state) { + if (!atomic_read(&st->user_requested_state)) + return 0; if (sensor_hub_device_open(st->hsdev)) return -EIO; @@ -52,8 +54,12 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state) poll_value = hid_sensor_read_poll_value(st); } else { - if (!atomic_dec_and_test(&st->data_ready)) + int val; + + val = atomic_dec_if_positive(&st->data_ready); + if (val < 0) return 0; + sensor_hub_device_close(st->hsdev); state_val = hid_sensor_get_usage_index(st->hsdev, st->power_state.report_id, @@ -92,9 +98,11 @@ EXPORT_SYMBOL(hid_sensor_power_state); int hid_sensor_power_state(struct hid_sensor_common *st, bool state) { + #ifdef CONFIG_PM int ret; + atomic_set(&st->user_requested_state, state); if (state) ret = pm_runtime_get_sync(&st->pdev->dev); else { @@ -109,6 +117,7 @@ int hid_sensor_power_state(struct hid_sensor_common *st, bool state) return 0; #else + atomic_set(&st->user_requested_state, state); return _hid_sensor_power_state(st, state); #endif } diff --git a/drivers/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c index 61bb9d4239ea..e98428df0d44 100644 --- a/drivers/iio/dac/ad5624r_spi.c +++ b/drivers/iio/dac/ad5624r_spi.c @@ -22,7 +22,7 @@ #include "ad5624r.h" static int ad5624r_spi_write(struct spi_device *spi, - u8 cmd, u8 addr, u16 val, u8 len) + u8 cmd, u8 addr, u16 val, u8 shift) { u32 data; u8 msg[3]; @@ -35,7 +35,7 @@ static int ad5624r_spi_write(struct spi_device *spi, * 14-, 12-bit input code followed by 0, 2, or 4 don't care bits, * for the AD5664R, AD5644R, and AD5624R, respectively. */ - data = (0 << 22) | (cmd << 19) | (addr << 16) | (val << (16 - len)); + data = (0 << 22) | (cmd << 19) | (addr << 16) | (val << shift); msg[0] = data >> 16; msg[1] = data >> 8; msg[2] = data; diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index 17d4bb15be4d..65ce86837177 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -431,6 +431,23 @@ static int inv_mpu6050_write_gyro_scale(struct inv_mpu6050_state *st, int val) return -EINVAL; } +static int inv_write_raw_get_fmt(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, long mask) +{ + switch (mask) { + case IIO_CHAN_INFO_SCALE: + switch (chan->type) { + case IIO_ANGL_VEL: + return IIO_VAL_INT_PLUS_NANO; + default: + return IIO_VAL_INT_PLUS_MICRO; + } + default: + return IIO_VAL_INT_PLUS_MICRO; + } + + return -EINVAL; +} static int inv_mpu6050_write_accel_scale(struct inv_mpu6050_state *st, int val) { int result, i; @@ -696,6 +713,7 @@ static const struct iio_info mpu_info = { .driver_module = THIS_MODULE, .read_raw = &inv_mpu6050_read_raw, .write_raw = &inv_mpu6050_write_raw, + .write_raw_get_fmt = &inv_write_raw_get_fmt, .attrs = &inv_attribute_group, .validate_trigger = inv_mpu6050_validate_trigger, }; diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig index e6198b7c9cbf..a5c59251ec0e 100644 --- a/drivers/iio/light/Kconfig +++ b/drivers/iio/light/Kconfig @@ -188,6 +188,7 @@ config SENSORS_LM3533 config LTR501 tristate "LTR-501ALS-01 light sensor" depends on I2C + select REGMAP_I2C select IIO_BUFFER select IIO_TRIGGERED_BUFFER help @@ -201,6 +202,7 @@ config LTR501 config STK3310 tristate "STK3310 ALS and proximity sensor" depends on I2C + select REGMAP_I2C help Say yes here to get support for the Sensortek STK3310 ambient light and proximity sensor. The STK3311 model is also supported by this diff --git a/drivers/iio/light/cm3323.c b/drivers/iio/light/cm3323.c index 869033e48a1f..a1d4905cc9d2 100644 --- a/drivers/iio/light/cm3323.c +++ b/drivers/iio/light/cm3323.c @@ -123,7 +123,7 @@ static int cm3323_set_it_bits(struct cm3323_data *data, int val, int val2) for (i = 0; i < ARRAY_SIZE(cm3323_int_time); i++) { if (val == cm3323_int_time[i].val && val2 == cm3323_int_time[i].val2) { - reg_conf = data->reg_conf; + reg_conf = data->reg_conf & ~CM3323_CONF_IT_MASK; reg_conf |= i << CM3323_CONF_IT_SHIFT; ret = i2c_smbus_write_word_data(data->client, diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c index 1ef7d3773ab9..b5a0e66b5f28 100644 --- a/drivers/iio/light/ltr501.c +++ b/drivers/iio/light/ltr501.c @@ -1302,7 +1302,7 @@ static int ltr501_init(struct ltr501_data *data) if (ret < 0) return ret; - data->als_contr = ret | data->chip_info->als_mode_active; + data->als_contr = status | data->chip_info->als_mode_active; ret = regmap_read(data->regmap, LTR501_PS_CONTR, &status); if (ret < 0) diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c index fee4297d7c8f..11a027adc204 100644 --- a/drivers/iio/light/stk3310.c +++ b/drivers/iio/light/stk3310.c @@ -43,7 +43,6 @@ #define STK3311_CHIP_ID_VAL 0x1D #define STK3310_PSINT_EN 0x01 #define STK3310_PS_MAX_VAL 0xFFFF -#define STK3310_THRESH_MAX 0xFFFF #define STK3310_DRIVER_NAME "stk3310" #define STK3310_REGMAP_NAME "stk3310_regmap" @@ -84,15 +83,13 @@ static const struct reg_field stk3310_reg_field_flag_psint = REG_FIELD(STK3310_REG_FLAG, 4, 4); static const struct reg_field stk3310_reg_field_flag_nf = REG_FIELD(STK3310_REG_FLAG, 0, 0); -/* - * Maximum PS values with regard to scale. Used to export the 'inverse' - * PS value (high values for far objects, low values for near objects). - */ + +/* Estimate maximum proximity values with regard to measurement scale. */ static const int stk3310_ps_max[4] = { - STK3310_PS_MAX_VAL / 64, - STK3310_PS_MAX_VAL / 16, - STK3310_PS_MAX_VAL / 4, - STK3310_PS_MAX_VAL, + STK3310_PS_MAX_VAL / 640, + STK3310_PS_MAX_VAL / 160, + STK3310_PS_MAX_VAL / 40, + STK3310_PS_MAX_VAL / 10 }; static const int stk3310_scale_table[][2] = { @@ -128,14 +125,14 @@ static const struct iio_event_spec stk3310_events[] = { /* Proximity event */ { .type = IIO_EV_TYPE_THRESH, - .dir = IIO_EV_DIR_FALLING, + .dir = IIO_EV_DIR_RISING, .mask_separate = BIT(IIO_EV_INFO_VALUE) | BIT(IIO_EV_INFO_ENABLE), }, /* Out-of-proximity event */ { .type = IIO_EV_TYPE_THRESH, - .dir = IIO_EV_DIR_RISING, + .dir = IIO_EV_DIR_FALLING, .mask_separate = BIT(IIO_EV_INFO_VALUE) | BIT(IIO_EV_INFO_ENABLE), }, @@ -203,25 +200,18 @@ static int stk3310_read_event(struct iio_dev *indio_dev, int *val, int *val2) { u8 reg; - u16 buf; + __be16 buf; int ret; - unsigned int index; struct stk3310_data *data = iio_priv(indio_dev); if (info != IIO_EV_INFO_VALUE) return -EINVAL; - /* - * Only proximity interrupts are implemented at the moment. - * Since we're inverting proximity values, the sensor's 'high' - * threshold will become our 'low' threshold, associated with - * 'near' events. Similarly, the sensor's 'low' threshold will - * be our 'high' threshold, associated with 'far' events. - */ + /* Only proximity interrupts are implemented at the moment. */ if (dir == IIO_EV_DIR_RISING) - reg = STK3310_REG_THDL_PS; - else if (dir == IIO_EV_DIR_FALLING) reg = STK3310_REG_THDH_PS; + else if (dir == IIO_EV_DIR_FALLING) + reg = STK3310_REG_THDL_PS; else return -EINVAL; @@ -232,8 +222,7 @@ static int stk3310_read_event(struct iio_dev *indio_dev, dev_err(&data->client->dev, "register read failed\n"); return ret; } - regmap_field_read(data->reg_ps_gain, &index); - *val = swab16(stk3310_ps_max[index] - buf); + *val = be16_to_cpu(buf); return IIO_VAL_INT; } @@ -246,7 +235,7 @@ static int stk3310_write_event(struct iio_dev *indio_dev, int val, int val2) { u8 reg; - u16 buf; + __be16 buf; int ret; unsigned int index; struct stk3310_data *data = iio_priv(indio_dev); @@ -257,13 +246,13 @@ static int stk3310_write_event(struct iio_dev *indio_dev, return -EINVAL; if (dir == IIO_EV_DIR_RISING) - reg = STK3310_REG_THDL_PS; - else if (dir == IIO_EV_DIR_FALLING) reg = STK3310_REG_THDH_PS; + else if (dir == IIO_EV_DIR_FALLING) + reg = STK3310_REG_THDL_PS; else return -EINVAL; - buf = swab16(stk3310_ps_max[index] - val); + buf = cpu_to_be16(val); ret = regmap_bulk_write(data->regmap, reg, &buf, 2); if (ret < 0) dev_err(&client->dev, "failed to set PS threshold!\n"); @@ -312,7 +301,7 @@ static int stk3310_read_raw(struct iio_dev *indio_dev, int *val, int *val2, long mask) { u8 reg; - u16 buf; + __be16 buf; int ret; unsigned int index; struct stk3310_data *data = iio_priv(indio_dev); @@ -333,15 +322,7 @@ static int stk3310_read_raw(struct iio_dev *indio_dev, mutex_unlock(&data->lock); return ret; } - *val = swab16(buf); - if (chan->type == IIO_PROXIMITY) { - /* - * Invert the proximity data so we return low values - * for close objects and high values for far ones. - */ - regmap_field_read(data->reg_ps_gain, &index); - *val = stk3310_ps_max[index] - *val; - } + *val = be16_to_cpu(buf); mutex_unlock(&data->lock); return IIO_VAL_INT; case IIO_CHAN_INFO_INT_TIME: @@ -581,8 +562,8 @@ static irqreturn_t stk3310_irq_event_handler(int irq, void *private) } event = IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, 1, IIO_EV_TYPE_THRESH, - (dir ? IIO_EV_DIR_RISING : - IIO_EV_DIR_FALLING)); + (dir ? IIO_EV_DIR_FALLING : + IIO_EV_DIR_RISING)); iio_push_event(indio_dev, event, data->timestamp); /* Reset the interrupt flag */ @@ -627,13 +608,7 @@ static int stk3310_probe(struct i2c_client *client, if (ret < 0) return ret; - ret = iio_device_register(indio_dev); - if (ret < 0) { - dev_err(&client->dev, "device_register failed\n"); - stk3310_set_state(data, STK3310_STATE_STANDBY); - } - - if (client->irq <= 0) + if (client->irq < 0) client->irq = stk3310_gpio_probe(client); if (client->irq >= 0) { @@ -648,6 +623,12 @@ static int stk3310_probe(struct i2c_client *client, client->irq); } + ret = iio_device_register(indio_dev); + if (ret < 0) { + dev_err(&client->dev, "device_register failed\n"); + stk3310_set_state(data, STK3310_STATE_STANDBY); + } + return ret; } diff --git a/drivers/iio/light/tcs3414.c b/drivers/iio/light/tcs3414.c index 71c2bde275aa..f8b1df018abe 100644 --- a/drivers/iio/light/tcs3414.c +++ b/drivers/iio/light/tcs3414.c @@ -185,7 +185,7 @@ static int tcs3414_write_raw(struct iio_dev *indio_dev, if (val != 0) return -EINVAL; for (i = 0; i < ARRAY_SIZE(tcs3414_times); i++) { - if (val == tcs3414_times[i] * 1000) { + if (val2 == tcs3414_times[i] * 1000) { data->timing &= ~TCS3414_INTEG_MASK; data->timing |= i; return i2c_smbus_write_byte_data( diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig index dcadfc4f0661..efb9350b0d76 100644 --- a/drivers/iio/magnetometer/Kconfig +++ b/drivers/iio/magnetometer/Kconfig @@ -90,6 +90,7 @@ config IIO_ST_MAGN_SPI_3AXIS config BMC150_MAGN tristate "Bosch BMC150 Magnetometer Driver" depends on I2C + select REGMAP_I2C select IIO_BUFFER select IIO_TRIGGERED_BUFFER help diff --git a/drivers/iio/magnetometer/bmc150_magn.c b/drivers/iio/magnetometer/bmc150_magn.c index d4c178869991..1347a1f2e46f 100644 --- a/drivers/iio/magnetometer/bmc150_magn.c +++ b/drivers/iio/magnetometer/bmc150_magn.c @@ -706,11 +706,11 @@ static int bmc150_magn_init(struct bmc150_magn_data *data) goto err_poweroff; } if (chip_id != BMC150_MAGN_CHIP_ID_VAL) { - dev_err(&data->client->dev, "Invalid chip id 0x%x\n", ret); + dev_err(&data->client->dev, "Invalid chip id 0x%x\n", chip_id); ret = -ENODEV; goto err_poweroff; } - dev_dbg(&data->client->dev, "Chip id %x\n", ret); + dev_dbg(&data->client->dev, "Chip id %x\n", chip_id); preset = bmc150_magn_presets_table[BMC150_MAGN_DEFAULT_PRESET]; ret = bmc150_magn_set_odr(data, preset.odr); diff --git a/drivers/iio/magnetometer/mmc35240.c b/drivers/iio/magnetometer/mmc35240.c index 7a2ea71c659a..706ebfd6297f 100644 --- a/drivers/iio/magnetometer/mmc35240.c +++ b/drivers/iio/magnetometer/mmc35240.c @@ -84,10 +84,10 @@ #define MMC35240_OTP_START_ADDR 0x1B enum mmc35240_resolution { - MMC35240_16_BITS_SLOW = 0, /* 100 Hz */ - MMC35240_16_BITS_FAST, /* 200 Hz */ - MMC35240_14_BITS, /* 333 Hz */ - MMC35240_12_BITS, /* 666 Hz */ + MMC35240_16_BITS_SLOW = 0, /* 7.92 ms */ + MMC35240_16_BITS_FAST, /* 4.08 ms */ + MMC35240_14_BITS, /* 2.16 ms */ + MMC35240_12_BITS, /* 1.20 ms */ }; enum mmc35240_axis { @@ -100,22 +100,22 @@ static const struct { int sens[3]; /* sensitivity per X, Y, Z axis */ int nfo; /* null field output */ } mmc35240_props_table[] = { - /* 16 bits, 100Hz ODR */ + /* 16 bits, 125Hz ODR */ { {1024, 1024, 1024}, 32768, }, - /* 16 bits, 200Hz ODR */ + /* 16 bits, 250Hz ODR */ { {1024, 1024, 770}, 32768, }, - /* 14 bits, 333Hz ODR */ + /* 14 bits, 450Hz ODR */ { {256, 256, 193}, 8192, }, - /* 12 bits, 666Hz ODR */ + /* 12 bits, 800Hz ODR */ { {64, 64, 48}, 2048, @@ -133,9 +133,15 @@ struct mmc35240_data { int axis_scale[3]; }; -static const int mmc35240_samp_freq[] = {100, 200, 333, 666}; +static const struct { + int val; + int val2; +} mmc35240_samp_freq[] = { {1, 500000}, + {13, 0}, + {25, 0}, + {50, 0} }; -static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("100 200 333 666"); +static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("1.5 13 25 50"); #define MMC35240_CHANNEL(_axis) { \ .type = IIO_MAGN, \ @@ -168,7 +174,8 @@ static int mmc35240_get_samp_freq_index(struct mmc35240_data *data, int i; for (i = 0; i < ARRAY_SIZE(mmc35240_samp_freq); i++) - if (mmc35240_samp_freq[i] == val) + if (mmc35240_samp_freq[i].val == val && + mmc35240_samp_freq[i].val2 == val2) return i; return -EINVAL; } @@ -195,8 +202,8 @@ static int mmc35240_hw_set(struct mmc35240_data *data, bool set) coil_bit = MMC35240_CTRL0_RESET_BIT; return regmap_update_bits(data->regmap, MMC35240_REG_CTRL0, - MMC35240_CTRL0_REFILL_BIT, - coil_bit); + coil_bit, coil_bit); + } static int mmc35240_init(struct mmc35240_data *data) @@ -215,14 +222,15 @@ static int mmc35240_init(struct mmc35240_data *data) /* * make sure we restore sensor characteristics, by doing - * a RESET/SET sequence + * a SET/RESET sequence, the axis polarity being naturally + * aligned after RESET */ - ret = mmc35240_hw_set(data, false); + ret = mmc35240_hw_set(data, true); if (ret < 0) return ret; usleep_range(MMC53240_WAIT_SET_RESET, MMC53240_WAIT_SET_RESET + 1); - ret = mmc35240_hw_set(data, true); + ret = mmc35240_hw_set(data, false); if (ret < 0) return ret; @@ -378,9 +386,9 @@ static int mmc35240_read_raw(struct iio_dev *indio_dev, if (i < 0 || i >= ARRAY_SIZE(mmc35240_samp_freq)) return -EINVAL; - *val = mmc35240_samp_freq[i]; - *val2 = 0; - return IIO_VAL_INT; + *val = mmc35240_samp_freq[i].val; + *val2 = mmc35240_samp_freq[i].val2; + return IIO_VAL_INT_PLUS_MICRO; default: return -EINVAL; } @@ -496,6 +504,7 @@ static int mmc35240_probe(struct i2c_client *client, } data = iio_priv(indio_dev); + i2c_set_clientdata(client, indio_dev); data->client = client; data->regmap = regmap; data->res = MMC35240_16_BITS_SLOW; diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c index 2042e375f835..3d756bd8c703 100644 --- a/drivers/iio/proximity/sx9500.c +++ b/drivers/iio/proximity/sx9500.c @@ -80,6 +80,7 @@ #define SX9500_COMPSTAT_MASK GENMASK(3, 0) #define SX9500_NUM_CHANNELS 4 +#define SX9500_CHAN_MASK GENMASK(SX9500_NUM_CHANNELS - 1, 0) struct sx9500_data { struct mutex mutex; @@ -281,7 +282,7 @@ static int sx9500_read_prox_data(struct sx9500_data *data, if (ret < 0) return ret; - *val = 32767 - (s16)be16_to_cpu(regval); + *val = be16_to_cpu(regval); return IIO_VAL_INT; } @@ -329,27 +330,29 @@ static int sx9500_read_proximity(struct sx9500_data *data, else ret = sx9500_wait_for_sample(data); - if (ret < 0) - return ret; - mutex_lock(&data->mutex); - ret = sx9500_read_prox_data(data, chan, val); if (ret < 0) - goto out; + goto out_dec_data_rdy; - ret = sx9500_dec_chan_users(data, chan->channel); + ret = sx9500_read_prox_data(data, chan, val); if (ret < 0) - goto out; + goto out_dec_data_rdy; ret = sx9500_dec_data_rdy_users(data); if (ret < 0) + goto out_dec_chan; + + ret = sx9500_dec_chan_users(data, chan->channel); + if (ret < 0) goto out; ret = IIO_VAL_INT; goto out; +out_dec_data_rdy: + sx9500_dec_data_rdy_users(data); out_dec_chan: sx9500_dec_chan_users(data, chan->channel); out: @@ -679,7 +682,7 @@ out: static int sx9500_buffer_preenable(struct iio_dev *indio_dev) { struct sx9500_data *data = iio_priv(indio_dev); - int ret, i; + int ret = 0, i; mutex_lock(&data->mutex); @@ -703,7 +706,7 @@ static int sx9500_buffer_preenable(struct iio_dev *indio_dev) static int sx9500_buffer_predisable(struct iio_dev *indio_dev) { struct sx9500_data *data = iio_priv(indio_dev); - int ret, i; + int ret = 0, i; iio_triggered_buffer_predisable(indio_dev); @@ -800,8 +803,7 @@ static int sx9500_init_compensation(struct iio_dev *indio_dev) unsigned int val; ret = regmap_update_bits(data->regmap, SX9500_REG_PROX_CTRL0, - GENMASK(SX9500_NUM_CHANNELS, 0), - GENMASK(SX9500_NUM_CHANNELS, 0)); + SX9500_CHAN_MASK, SX9500_CHAN_MASK); if (ret < 0) return ret; @@ -821,7 +823,7 @@ static int sx9500_init_compensation(struct iio_dev *indio_dev) out: regmap_update_bits(data->regmap, SX9500_REG_PROX_CTRL0, - GENMASK(SX9500_NUM_CHANNELS, 0), 0); + SX9500_CHAN_MASK, 0); return ret; } diff --git a/drivers/iio/temperature/mlx90614.c b/drivers/iio/temperature/mlx90614.c index cb2e8ad8bfdc..7a2b639eaa96 100644 --- a/drivers/iio/temperature/mlx90614.c +++ b/drivers/iio/temperature/mlx90614.c @@ -204,7 +204,7 @@ static int mlx90614_read_raw(struct iio_dev *indio_dev, *val = ret; return IIO_VAL_INT; case IIO_CHAN_INFO_OFFSET: - *val = 13657; + *val = -13657; *val2 = 500000; return IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_SCALE: diff --git a/drivers/iio/temperature/tmp006.c b/drivers/iio/temperature/tmp006.c index fcc49f89b946..8f21f32f9739 100644 --- a/drivers/iio/temperature/tmp006.c +++ b/drivers/iio/temperature/tmp006.c @@ -132,6 +132,9 @@ static int tmp006_write_raw(struct iio_dev *indio_dev, struct tmp006_data *data = iio_priv(indio_dev); int i; + if (mask != IIO_CHAN_INFO_SAMP_FREQ) + return -EINVAL; + for (i = 0; i < ARRAY_SIZE(tmp006_freqs); i++) if ((val == tmp006_freqs[i][0]) && (val2 == tmp006_freqs[i][1])) { diff --git a/drivers/infiniband/core/agent.c b/drivers/infiniband/core/agent.c index c7dcfe4ca5f1..0429040304fd 100644 --- a/drivers/infiniband/core/agent.c +++ b/drivers/infiniband/core/agent.c @@ -88,7 +88,7 @@ void agent_send_response(const struct ib_mad_hdr *mad_hdr, const struct ib_grh * struct ib_ah *ah; struct ib_mad_send_wr_private *mad_send_wr; - if (device->node_type == RDMA_NODE_IB_SWITCH) + if (rdma_cap_ib_switch(device)) port_priv = ib_get_agent_port(device, 0); else port_priv = ib_get_agent_port(device, port_num); @@ -122,7 +122,7 @@ void agent_send_response(const struct ib_mad_hdr *mad_hdr, const struct ib_grh * memcpy(send_buf->mad, mad_hdr, resp_mad_len); send_buf->ah = ah; - if (device->node_type == RDMA_NODE_IB_SWITCH) { + if (rdma_cap_ib_switch(device)) { mad_send_wr = container_of(send_buf, struct ib_mad_send_wr_private, send_buf); diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index dbddddd6fb5d..3a972ebf3c0d 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -169,6 +169,7 @@ struct cm_device { struct ib_device *ib_device; struct device *device; u8 ack_delay; + int going_down; struct cm_port *port[0]; }; @@ -805,6 +806,11 @@ static void cm_enter_timewait(struct cm_id_private *cm_id_priv) { int wait_time; unsigned long flags; + struct cm_device *cm_dev; + + cm_dev = ib_get_client_data(cm_id_priv->id.device, &cm_client); + if (!cm_dev) + return; spin_lock_irqsave(&cm.lock, flags); cm_cleanup_timewait(cm_id_priv->timewait_info); @@ -818,8 +824,14 @@ static void cm_enter_timewait(struct cm_id_private *cm_id_priv) */ cm_id_priv->id.state = IB_CM_TIMEWAIT; wait_time = cm_convert_to_ms(cm_id_priv->av.timeout); - queue_delayed_work(cm.wq, &cm_id_priv->timewait_info->work.work, - msecs_to_jiffies(wait_time)); + + /* Check if the device started its remove_one */ + spin_lock_irq(&cm.lock); + if (!cm_dev->going_down) + queue_delayed_work(cm.wq, &cm_id_priv->timewait_info->work.work, + msecs_to_jiffies(wait_time)); + spin_unlock_irq(&cm.lock); + cm_id_priv->timewait_info = NULL; } @@ -3305,6 +3317,11 @@ static int cm_establish(struct ib_cm_id *cm_id) struct cm_work *work; unsigned long flags; int ret = 0; + struct cm_device *cm_dev; + + cm_dev = ib_get_client_data(cm_id->device, &cm_client); + if (!cm_dev) + return -ENODEV; work = kmalloc(sizeof *work, GFP_ATOMIC); if (!work) @@ -3343,7 +3360,17 @@ static int cm_establish(struct ib_cm_id *cm_id) work->remote_id = cm_id->remote_id; work->mad_recv_wc = NULL; work->cm_event.event = IB_CM_USER_ESTABLISHED; - queue_delayed_work(cm.wq, &work->work, 0); + + /* Check if the device started its remove_one */ + spin_lock_irq(&cm.lock); + if (!cm_dev->going_down) { + queue_delayed_work(cm.wq, &work->work, 0); + } else { + kfree(work); + ret = -ENODEV; + } + spin_unlock_irq(&cm.lock); + out: return ret; } @@ -3394,6 +3421,7 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent, enum ib_cm_event_type event; u16 attr_id; int paths = 0; + int going_down = 0; switch (mad_recv_wc->recv_buf.mad->mad_hdr.attr_id) { case CM_REQ_ATTR_ID: @@ -3452,7 +3480,19 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent, work->cm_event.event = event; work->mad_recv_wc = mad_recv_wc; work->port = port; - queue_delayed_work(cm.wq, &work->work, 0); + + /* Check if the device started its remove_one */ + spin_lock_irq(&cm.lock); + if (!port->cm_dev->going_down) + queue_delayed_work(cm.wq, &work->work, 0); + else + going_down = 1; + spin_unlock_irq(&cm.lock); + + if (going_down) { + kfree(work); + ib_free_recv_mad(mad_recv_wc); + } } static int cm_init_qp_init_attr(struct cm_id_private *cm_id_priv, @@ -3771,7 +3811,7 @@ static void cm_add_one(struct ib_device *ib_device) cm_dev->ib_device = ib_device; cm_get_ack_delay(cm_dev); - + cm_dev->going_down = 0; cm_dev->device = device_create(&cm_class, &ib_device->dev, MKDEV(0, 0), NULL, "%s", ib_device->name); @@ -3864,14 +3904,23 @@ static void cm_remove_one(struct ib_device *ib_device) list_del(&cm_dev->list); write_unlock_irqrestore(&cm.device_lock, flags); + spin_lock_irq(&cm.lock); + cm_dev->going_down = 1; + spin_unlock_irq(&cm.lock); + for (i = 1; i <= ib_device->phys_port_cnt; i++) { if (!rdma_cap_ib_cm(ib_device, i)) continue; port = cm_dev->port[i-1]; ib_modify_port(ib_device, port->port_num, 0, &port_modify); - ib_unregister_mad_agent(port->mad_agent); + /* + * We flush the queue here after the going_down set, this + * verify that no new works will be queued in the recv handler, + * after that we can call the unregister_mad_agent + */ flush_workqueue(cm.wq); + ib_unregister_mad_agent(port->mad_agent); cm_remove_port_fs(port); } device_unregister(cm_dev->device); diff --git a/drivers/infiniband/core/iwpm_msg.c b/drivers/infiniband/core/iwpm_msg.c index e6ffa2e66c1a..22a3abee2a54 100644 --- a/drivers/infiniband/core/iwpm_msg.c +++ b/drivers/infiniband/core/iwpm_msg.c @@ -67,7 +67,8 @@ int iwpm_register_pid(struct iwpm_dev_data *pm_msg, u8 nl_client) err_str = "Invalid port mapper client"; goto pid_query_error; } - if (iwpm_registered_client(nl_client)) + if (iwpm_check_registration(nl_client, IWPM_REG_VALID) || + iwpm_user_pid == IWPM_PID_UNAVAILABLE) return 0; skb = iwpm_create_nlmsg(RDMA_NL_IWPM_REG_PID, &nlh, nl_client); if (!skb) { @@ -106,7 +107,6 @@ int iwpm_register_pid(struct iwpm_dev_data *pm_msg, u8 nl_client) ret = ibnl_multicast(skb, nlh, RDMA_NL_GROUP_IWPM, GFP_KERNEL); if (ret) { skb = NULL; /* skb is freed in the netlink send-op handling */ - iwpm_set_registered(nl_client, 1); iwpm_user_pid = IWPM_PID_UNAVAILABLE; err_str = "Unable to send a nlmsg"; goto pid_query_error; @@ -144,12 +144,12 @@ int iwpm_add_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client) err_str = "Invalid port mapper client"; goto add_mapping_error; } - if (!iwpm_registered_client(nl_client)) { + if (!iwpm_valid_pid()) + return 0; + if (!iwpm_check_registration(nl_client, IWPM_REG_VALID)) { err_str = "Unregistered port mapper client"; goto add_mapping_error; } - if (!iwpm_valid_pid()) - return 0; skb = iwpm_create_nlmsg(RDMA_NL_IWPM_ADD_MAPPING, &nlh, nl_client); if (!skb) { err_str = "Unable to create a nlmsg"; @@ -214,12 +214,12 @@ int iwpm_add_and_query_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client) err_str = "Invalid port mapper client"; goto query_mapping_error; } - if (!iwpm_registered_client(nl_client)) { + if (!iwpm_valid_pid()) + return 0; + if (!iwpm_check_registration(nl_client, IWPM_REG_VALID)) { err_str = "Unregistered port mapper client"; goto query_mapping_error; } - if (!iwpm_valid_pid()) - return 0; ret = -ENOMEM; skb = iwpm_create_nlmsg(RDMA_NL_IWPM_QUERY_MAPPING, &nlh, nl_client); if (!skb) { @@ -288,12 +288,12 @@ int iwpm_remove_mapping(struct sockaddr_storage *local_addr, u8 nl_client) err_str = "Invalid port mapper client"; goto remove_mapping_error; } - if (!iwpm_registered_client(nl_client)) { + if (!iwpm_valid_pid()) + return 0; + if (iwpm_check_registration(nl_client, IWPM_REG_UNDEF)) { err_str = "Unregistered port mapper client"; goto remove_mapping_error; } - if (!iwpm_valid_pid()) - return 0; skb = iwpm_create_nlmsg(RDMA_NL_IWPM_REMOVE_MAPPING, &nlh, nl_client); if (!skb) { ret = -ENOMEM; @@ -388,7 +388,7 @@ int iwpm_register_pid_cb(struct sk_buff *skb, struct netlink_callback *cb) pr_debug("%s: iWarp Port Mapper (pid = %d) is available!\n", __func__, iwpm_user_pid); if (iwpm_valid_client(nl_client)) - iwpm_set_registered(nl_client, 1); + iwpm_set_registration(nl_client, IWPM_REG_VALID); register_pid_response_exit: nlmsg_request->request_done = 1; /* always for found nlmsg_request */ @@ -644,7 +644,6 @@ int iwpm_mapping_info_cb(struct sk_buff *skb, struct netlink_callback *cb) { struct nlattr *nltb[IWPM_NLA_MAPINFO_REQ_MAX]; const char *msg_type = "Mapping Info response"; - int iwpm_pid; u8 nl_client; char *iwpm_name; u16 iwpm_version; @@ -669,14 +668,14 @@ int iwpm_mapping_info_cb(struct sk_buff *skb, struct netlink_callback *cb) __func__, nl_client); return ret; } - iwpm_set_registered(nl_client, 0); + iwpm_set_registration(nl_client, IWPM_REG_INCOMPL); atomic_set(&echo_nlmsg_seq, cb->nlh->nlmsg_seq); + iwpm_user_pid = cb->nlh->nlmsg_pid; if (!iwpm_mapinfo_available()) return 0; - iwpm_pid = cb->nlh->nlmsg_pid; pr_debug("%s: iWarp Port Mapper (pid = %d) is available!\n", - __func__, iwpm_pid); - ret = iwpm_send_mapinfo(nl_client, iwpm_pid); + __func__, iwpm_user_pid); + ret = iwpm_send_mapinfo(nl_client, iwpm_user_pid); return ret; } EXPORT_SYMBOL(iwpm_mapping_info_cb); diff --git a/drivers/infiniband/core/iwpm_util.c b/drivers/infiniband/core/iwpm_util.c index a626795bf9c7..5fb089e91353 100644 --- a/drivers/infiniband/core/iwpm_util.c +++ b/drivers/infiniband/core/iwpm_util.c @@ -78,6 +78,7 @@ init_exit: mutex_unlock(&iwpm_admin_lock); if (!ret) { iwpm_set_valid(nl_client, 1); + iwpm_set_registration(nl_client, IWPM_REG_UNDEF); pr_debug("%s: Mapinfo and reminfo tables are created\n", __func__); } @@ -106,6 +107,7 @@ int iwpm_exit(u8 nl_client) } mutex_unlock(&iwpm_admin_lock); iwpm_set_valid(nl_client, 0); + iwpm_set_registration(nl_client, IWPM_REG_UNDEF); return 0; } EXPORT_SYMBOL(iwpm_exit); @@ -397,17 +399,23 @@ void iwpm_set_valid(u8 nl_client, int valid) } /* valid client */ -int iwpm_registered_client(u8 nl_client) +u32 iwpm_get_registration(u8 nl_client) { return iwpm_admin.reg_list[nl_client]; } /* valid client */ -void iwpm_set_registered(u8 nl_client, int reg) +void iwpm_set_registration(u8 nl_client, u32 reg) { iwpm_admin.reg_list[nl_client] = reg; } +/* valid client */ +u32 iwpm_check_registration(u8 nl_client, u32 reg) +{ + return (iwpm_get_registration(nl_client) & reg); +} + int iwpm_compare_sockaddr(struct sockaddr_storage *a_sockaddr, struct sockaddr_storage *b_sockaddr) { diff --git a/drivers/infiniband/core/iwpm_util.h b/drivers/infiniband/core/iwpm_util.h index ee2d9ff095be..b7b9e194ce81 100644 --- a/drivers/infiniband/core/iwpm_util.h +++ b/drivers/infiniband/core/iwpm_util.h @@ -58,6 +58,10 @@ #define IWPM_PID_UNDEFINED -1 #define IWPM_PID_UNAVAILABLE -2 +#define IWPM_REG_UNDEF 0x01 +#define IWPM_REG_VALID 0x02 +#define IWPM_REG_INCOMPL 0x04 + struct iwpm_nlmsg_request { struct list_head inprocess_list; __u32 nlmsg_seq; @@ -88,7 +92,7 @@ struct iwpm_admin_data { atomic_t refcount; atomic_t nlmsg_seq; int client_list[RDMA_NL_NUM_CLIENTS]; - int reg_list[RDMA_NL_NUM_CLIENTS]; + u32 reg_list[RDMA_NL_NUM_CLIENTS]; }; /** @@ -159,19 +163,31 @@ int iwpm_valid_client(u8 nl_client); void iwpm_set_valid(u8 nl_client, int valid); /** - * iwpm_registered_client - Check if the port mapper client is registered + * iwpm_check_registration - Check if the client registration + * matches the given one * @nl_client: The index of the netlink client + * @reg: The given registration type to compare with * * Call iwpm_register_pid() to register a client + * Returns true if the client registration matches reg, + * otherwise returns false + */ +u32 iwpm_check_registration(u8 nl_client, u32 reg); + +/** + * iwpm_set_registration - Set the client registration + * @nl_client: The index of the netlink client + * @reg: Registration type to set */ -int iwpm_registered_client(u8 nl_client); +void iwpm_set_registration(u8 nl_client, u32 reg); /** - * iwpm_set_registered - Set the port mapper client to registered or not + * iwpm_get_registration * @nl_client: The index of the netlink client - * @reg: 1 if registered or 0 if not + * + * Returns the client registration type */ -void iwpm_set_registered(u8 nl_client, int reg); +u32 iwpm_get_registration(u8 nl_client); /** * iwpm_send_mapinfo - Send local and mapped IPv4/IPv6 address info of diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index a4b1466c1bf6..786fc51bf04b 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -769,7 +769,7 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, bool opa = rdma_cap_opa_mad(mad_agent_priv->qp_info->port_priv->device, mad_agent_priv->qp_info->port_priv->port_num); - if (device->node_type == RDMA_NODE_IB_SWITCH && + if (rdma_cap_ib_switch(device) && smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) port_num = send_wr->wr.ud.port_num; else @@ -787,14 +787,15 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, if ((opa_get_smp_direction(opa_smp) ? opa_smp->route.dr.dr_dlid : opa_smp->route.dr.dr_slid) == OPA_LID_PERMISSIVE && - opa_smi_handle_dr_smp_send(opa_smp, device->node_type, + opa_smi_handle_dr_smp_send(opa_smp, + rdma_cap_ib_switch(device), port_num) == IB_SMI_DISCARD) { ret = -EINVAL; dev_err(&device->dev, "OPA Invalid directed route\n"); goto out; } opa_drslid = be32_to_cpu(opa_smp->route.dr.dr_slid); - if (opa_drslid != OPA_LID_PERMISSIVE && + if (opa_drslid != be32_to_cpu(OPA_LID_PERMISSIVE) && opa_drslid & 0xffff0000) { ret = -EINVAL; dev_err(&device->dev, "OPA Invalid dr_slid 0x%x\n", @@ -810,7 +811,7 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, } else { if ((ib_get_smp_direction(smp) ? smp->dr_dlid : smp->dr_slid) == IB_LID_PERMISSIVE && - smi_handle_dr_smp_send(smp, device->node_type, port_num) == + smi_handle_dr_smp_send(smp, rdma_cap_ib_switch(device), port_num) == IB_SMI_DISCARD) { ret = -EINVAL; dev_err(&device->dev, "Invalid directed route\n"); @@ -2030,7 +2031,7 @@ static enum smi_action handle_ib_smi(const struct ib_mad_port_private *port_priv struct ib_smp *smp = (struct ib_smp *)recv->mad; if (smi_handle_dr_smp_recv(smp, - port_priv->device->node_type, + rdma_cap_ib_switch(port_priv->device), port_num, port_priv->device->phys_port_cnt) == IB_SMI_DISCARD) @@ -2042,13 +2043,13 @@ static enum smi_action handle_ib_smi(const struct ib_mad_port_private *port_priv if (retsmi == IB_SMI_SEND) { /* don't forward */ if (smi_handle_dr_smp_send(smp, - port_priv->device->node_type, + rdma_cap_ib_switch(port_priv->device), port_num) == IB_SMI_DISCARD) return IB_SMI_DISCARD; if (smi_check_local_smp(smp, port_priv->device) == IB_SMI_DISCARD) return IB_SMI_DISCARD; - } else if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) { + } else if (rdma_cap_ib_switch(port_priv->device)) { /* forward case for switches */ memcpy(response, recv, mad_priv_size(response)); response->header.recv_wc.wc = &response->header.wc; @@ -2115,7 +2116,7 @@ handle_opa_smi(struct ib_mad_port_private *port_priv, struct opa_smp *smp = (struct opa_smp *)recv->mad; if (opa_smi_handle_dr_smp_recv(smp, - port_priv->device->node_type, + rdma_cap_ib_switch(port_priv->device), port_num, port_priv->device->phys_port_cnt) == IB_SMI_DISCARD) @@ -2127,7 +2128,7 @@ handle_opa_smi(struct ib_mad_port_private *port_priv, if (retsmi == IB_SMI_SEND) { /* don't forward */ if (opa_smi_handle_dr_smp_send(smp, - port_priv->device->node_type, + rdma_cap_ib_switch(port_priv->device), port_num) == IB_SMI_DISCARD) return IB_SMI_DISCARD; @@ -2135,7 +2136,7 @@ handle_opa_smi(struct ib_mad_port_private *port_priv, IB_SMI_DISCARD) return IB_SMI_DISCARD; - } else if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) { + } else if (rdma_cap_ib_switch(port_priv->device)) { /* forward case for switches */ memcpy(response, recv, mad_priv_size(response)); response->header.recv_wc.wc = &response->header.wc; @@ -2235,7 +2236,7 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv, goto out; } - if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) + if (rdma_cap_ib_switch(port_priv->device)) port_num = wc->port_num; else port_num = port_priv->port_num; @@ -3297,17 +3298,11 @@ static int ib_mad_port_close(struct ib_device *device, int port_num) static void ib_mad_init_device(struct ib_device *device) { - int start, end, i; + int start, i; - if (device->node_type == RDMA_NODE_IB_SWITCH) { - start = 0; - end = 0; - } else { - start = 1; - end = device->phys_port_cnt; - } + start = rdma_start_port(device); - for (i = start; i <= end; i++) { + for (i = start; i <= rdma_end_port(device); i++) { if (!rdma_cap_ib_mad(device, i)) continue; @@ -3342,17 +3337,9 @@ error: static void ib_mad_remove_device(struct ib_device *device) { - int start, end, i; - - if (device->node_type == RDMA_NODE_IB_SWITCH) { - start = 0; - end = 0; - } else { - start = 1; - end = device->phys_port_cnt; - } + int i; - for (i = start; i <= end; i++) { + for (i = rdma_start_port(device); i <= rdma_end_port(device); i++) { if (!rdma_cap_ib_mad(device, i)) continue; diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c index 1244f02a5c6d..2cb865c7ce7a 100644 --- a/drivers/infiniband/core/multicast.c +++ b/drivers/infiniband/core/multicast.c @@ -812,12 +812,8 @@ static void mcast_add_one(struct ib_device *device) if (!dev) return; - if (device->node_type == RDMA_NODE_IB_SWITCH) - dev->start_port = dev->end_port = 0; - else { - dev->start_port = 1; - dev->end_port = device->phys_port_cnt; - } + dev->start_port = rdma_start_port(device); + dev->end_port = rdma_end_port(device); for (i = 0; i <= dev->end_port - dev->start_port; i++) { if (!rdma_cap_ib_mcast(device, dev->start_port + i)) diff --git a/drivers/infiniband/core/opa_smi.h b/drivers/infiniband/core/opa_smi.h index 62d91bfa4cb7..3bfab3505a29 100644 --- a/drivers/infiniband/core/opa_smi.h +++ b/drivers/infiniband/core/opa_smi.h @@ -39,12 +39,12 @@ #include "smi.h" -enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, u8 node_type, +enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, bool is_switch, int port_num, int phys_port_cnt); int opa_smi_get_fwd_port(struct opa_smp *smp); extern enum smi_forward_action opa_smi_check_forward_dr_smp(struct opa_smp *smp); extern enum smi_action opa_smi_handle_dr_smp_send(struct opa_smp *smp, - u8 node_type, int port_num); + bool is_switch, int port_num); /* * Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 0fae85062a65..ca919f429666 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -1156,12 +1156,8 @@ static void ib_sa_add_one(struct ib_device *device) int s, e, i; int count = 0; - if (device->node_type == RDMA_NODE_IB_SWITCH) - s = e = 0; - else { - s = 1; - e = device->phys_port_cnt; - } + s = rdma_start_port(device); + e = rdma_end_port(device); sa_dev = kzalloc(sizeof *sa_dev + (e - s + 1) * sizeof (struct ib_sa_port), diff --git a/drivers/infiniband/core/smi.c b/drivers/infiniband/core/smi.c index 368a561d1a5d..f19b23817c2b 100644 --- a/drivers/infiniband/core/smi.c +++ b/drivers/infiniband/core/smi.c @@ -41,7 +41,7 @@ #include "smi.h" #include "opa_smi.h" -static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, +static enum smi_action __smi_handle_dr_smp_send(bool is_switch, int port_num, u8 *hop_ptr, u8 hop_cnt, const u8 *initial_path, const u8 *return_path, @@ -64,7 +64,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, /* C14-9:2 */ if (*hop_ptr && *hop_ptr < hop_cnt) { - if (node_type != RDMA_NODE_IB_SWITCH) + if (!is_switch) return IB_SMI_DISCARD; /* return_path set when received */ @@ -77,7 +77,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, if (*hop_ptr == hop_cnt) { /* return_path set when received */ (*hop_ptr)++; - return (node_type == RDMA_NODE_IB_SWITCH || + return (is_switch || dr_dlid_is_permissive ? IB_SMI_HANDLE : IB_SMI_DISCARD); } @@ -96,7 +96,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, /* C14-13:2 */ if (2 <= *hop_ptr && *hop_ptr <= hop_cnt) { - if (node_type != RDMA_NODE_IB_SWITCH) + if (!is_switch) return IB_SMI_DISCARD; (*hop_ptr)--; @@ -108,7 +108,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, if (*hop_ptr == 1) { (*hop_ptr)--; /* C14-13:3 -- SMPs destined for SM shouldn't be here */ - return (node_type == RDMA_NODE_IB_SWITCH || + return (is_switch || dr_slid_is_permissive ? IB_SMI_HANDLE : IB_SMI_DISCARD); } @@ -127,9 +127,9 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, * Return IB_SMI_DISCARD if the SMP should be discarded */ enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp, - u8 node_type, int port_num) + bool is_switch, int port_num) { - return __smi_handle_dr_smp_send(node_type, port_num, + return __smi_handle_dr_smp_send(is_switch, port_num, &smp->hop_ptr, smp->hop_cnt, smp->initial_path, smp->return_path, @@ -139,9 +139,9 @@ enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp, } enum smi_action opa_smi_handle_dr_smp_send(struct opa_smp *smp, - u8 node_type, int port_num) + bool is_switch, int port_num) { - return __smi_handle_dr_smp_send(node_type, port_num, + return __smi_handle_dr_smp_send(is_switch, port_num, &smp->hop_ptr, smp->hop_cnt, smp->route.dr.initial_path, smp->route.dr.return_path, @@ -152,7 +152,7 @@ enum smi_action opa_smi_handle_dr_smp_send(struct opa_smp *smp, OPA_LID_PERMISSIVE); } -static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, +static enum smi_action __smi_handle_dr_smp_recv(bool is_switch, int port_num, int phys_port_cnt, u8 *hop_ptr, u8 hop_cnt, const u8 *initial_path, @@ -173,7 +173,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, /* C14-9:2 -- intermediate hop */ if (*hop_ptr && *hop_ptr < hop_cnt) { - if (node_type != RDMA_NODE_IB_SWITCH) + if (!is_switch) return IB_SMI_DISCARD; return_path[*hop_ptr] = port_num; @@ -188,7 +188,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, return_path[*hop_ptr] = port_num; /* hop_ptr updated when sending */ - return (node_type == RDMA_NODE_IB_SWITCH || + return (is_switch || dr_dlid_is_permissive ? IB_SMI_HANDLE : IB_SMI_DISCARD); } @@ -208,7 +208,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, /* C14-13:2 */ if (2 <= *hop_ptr && *hop_ptr <= hop_cnt) { - if (node_type != RDMA_NODE_IB_SWITCH) + if (!is_switch) return IB_SMI_DISCARD; /* hop_ptr updated when sending */ @@ -224,8 +224,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, return IB_SMI_HANDLE; } /* hop_ptr updated when sending */ - return (node_type == RDMA_NODE_IB_SWITCH ? - IB_SMI_HANDLE : IB_SMI_DISCARD); + return (is_switch ? IB_SMI_HANDLE : IB_SMI_DISCARD); } /* C14-13:4 -- hop_ptr = 0 -> give to SM */ @@ -238,10 +237,10 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, * Adjust information for a received SMP * Return IB_SMI_DISCARD if the SMP should be dropped */ -enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type, +enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, bool is_switch, int port_num, int phys_port_cnt) { - return __smi_handle_dr_smp_recv(node_type, port_num, phys_port_cnt, + return __smi_handle_dr_smp_recv(is_switch, port_num, phys_port_cnt, &smp->hop_ptr, smp->hop_cnt, smp->initial_path, smp->return_path, @@ -254,10 +253,10 @@ enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type, * Adjust information for a received SMP * Return IB_SMI_DISCARD if the SMP should be dropped */ -enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, u8 node_type, +enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, bool is_switch, int port_num, int phys_port_cnt) { - return __smi_handle_dr_smp_recv(node_type, port_num, phys_port_cnt, + return __smi_handle_dr_smp_recv(is_switch, port_num, phys_port_cnt, &smp->hop_ptr, smp->hop_cnt, smp->route.dr.initial_path, smp->route.dr.return_path, diff --git a/drivers/infiniband/core/smi.h b/drivers/infiniband/core/smi.h index aff96bac49b4..33c91c8a16e9 100644 --- a/drivers/infiniband/core/smi.h +++ b/drivers/infiniband/core/smi.h @@ -51,12 +51,12 @@ enum smi_forward_action { IB_SMI_FORWARD /* SMP should be forwarded (for switches only) */ }; -enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type, +enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, bool is_switch, int port_num, int phys_port_cnt); int smi_get_fwd_port(struct ib_smp *smp); extern enum smi_forward_action smi_check_forward_dr_smp(struct ib_smp *smp); extern enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp, - u8 node_type, int port_num); + bool is_switch, int port_num); /* * Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c index ed6b6c85c334..0b84a9cdfe5b 100644 --- a/drivers/infiniband/core/sysfs.c +++ b/drivers/infiniband/core/sysfs.c @@ -870,7 +870,7 @@ int ib_device_register_sysfs(struct ib_device *device, goto err_put; } - if (device->node_type == RDMA_NODE_IB_SWITCH) { + if (rdma_cap_ib_switch(device)) { ret = add_port(device, 0, port_callback); if (ret) goto err_put; diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index 62c24b1452b8..009481073644 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -1193,6 +1193,7 @@ static int ib_ucm_close(struct inode *inode, struct file *filp) return 0; } +static DECLARE_BITMAP(overflow_map, IB_UCM_MAX_DEVICES); static void ib_ucm_release_dev(struct device *dev) { struct ib_ucm_device *ucm_dev; @@ -1202,7 +1203,7 @@ static void ib_ucm_release_dev(struct device *dev) if (ucm_dev->devnum < IB_UCM_MAX_DEVICES) clear_bit(ucm_dev->devnum, dev_map); else - clear_bit(ucm_dev->devnum - IB_UCM_MAX_DEVICES, dev_map); + clear_bit(ucm_dev->devnum - IB_UCM_MAX_DEVICES, overflow_map); kfree(ucm_dev); } @@ -1226,7 +1227,6 @@ static ssize_t show_ibdev(struct device *dev, struct device_attribute *attr, static DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL); static dev_t overflow_maj; -static DECLARE_BITMAP(overflow_map, IB_UCM_MAX_DEVICES); static int find_overflow_devnum(void) { int ret; diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index ad45469f7582..29b21213ea75 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -1354,10 +1354,10 @@ static void ucma_lock_files(struct ucma_file *file1, struct ucma_file *file2) /* Acquire mutex's based on pointer comparison to prevent deadlock. */ if (file1 < file2) { mutex_lock(&file1->mut); - mutex_lock(&file2->mut); + mutex_lock_nested(&file2->mut, SINGLE_DEPTH_NESTING); } else { mutex_lock(&file2->mut); - mutex_lock(&file1->mut); + mutex_lock_nested(&file1->mut, SINGLE_DEPTH_NESTING); } } @@ -1616,6 +1616,7 @@ static void __exit ucma_cleanup(void) device_remove_file(ucma_misc.this_device, &dev_attr_abi_version); misc_deregister(&ucma_misc); idr_destroy(&ctx_idr); + idr_destroy(&multicast_idr); } module_init(ucma_init); diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index b1b73232f217..bbbe0184e592 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -736,6 +736,10 @@ static struct ib_mr *iwch_get_dma_mr(struct ib_pd *pd, int acc) /* * T3 only supports 32 bits of size. */ + if (sizeof(phys_addr_t) > 4) { + pr_warn_once(MOD "Cannot support dma_mrs on this platform.\n"); + return ERR_PTR(-ENOTSUPP); + } bl.size = 0xffffffff; bl.addr = 0; kva = 0; diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c index c7aab48f07cd..92d518382a9f 100644 --- a/drivers/infiniband/hw/cxgb4/cq.c +++ b/drivers/infiniband/hw/cxgb4/cq.c @@ -814,7 +814,7 @@ static int c4iw_poll_cq_one(struct c4iw_cq *chp, struct ib_wc *wc) printk(KERN_ERR MOD "Unexpected cqe_status 0x%x for QPID=0x%0x\n", CQE_STATUS(&cqe), CQE_QPID(&cqe)); - ret = -EINVAL; + wc->status = IB_WC_FATAL_ERR; } } out: diff --git a/drivers/infiniband/hw/ehca/ehca_sqp.c b/drivers/infiniband/hw/ehca/ehca_sqp.c index 12b5bc23832b..376b031c2c7f 100644 --- a/drivers/infiniband/hw/ehca/ehca_sqp.c +++ b/drivers/infiniband/hw/ehca/ehca_sqp.c @@ -226,8 +226,9 @@ int ehca_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; if (!port_num || port_num > ibdev->phys_port_cnt || !in_wc) return IB_MAD_RESULT_FAILURE; diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c index 2d7e503d13cb..871dbe56216a 100644 --- a/drivers/infiniband/hw/ipath/ipath_driver.c +++ b/drivers/infiniband/hw/ipath/ipath_driver.c @@ -31,6 +31,8 @@ * SOFTWARE. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/sched.h> #include <linux/spinlock.h> #include <linux/idr.h> @@ -399,8 +401,8 @@ static int ipath_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) u32 bar0 = 0, bar1 = 0; #ifdef CONFIG_X86_64 - if (WARN(pat_enabled(), - "ipath needs PAT disabled, boot with nopat kernel parameter\n")) { + if (pat_enabled()) { + pr_warn("ipath needs PAT disabled, boot with nopat kernel parameter\n"); ret = -ENODEV; goto bail; } diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c index 948188e37f95..ad3a926ab3c5 100644 --- a/drivers/infiniband/hw/ipath/ipath_mad.c +++ b/drivers/infiniband/hw/ipath/ipath_mad.c @@ -1499,8 +1499,9 @@ int ipath_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; switch (in_mad->mad_hdr.mgmt_class) { case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c index 48253b839a6f..30ba49c4a98c 100644 --- a/drivers/infiniband/hw/ipath/ipath_verbs.c +++ b/drivers/infiniband/hw/ipath/ipath_verbs.c @@ -2044,9 +2044,9 @@ int ipath_register_ib_device(struct ipath_devdata *dd) spin_lock_init(&idev->qp_table.lock); spin_lock_init(&idev->lk_table.lock); - idev->sm_lid = __constant_be16_to_cpu(IB_LID_PERMISSIVE); + idev->sm_lid = be16_to_cpu(IB_LID_PERMISSIVE); /* Set the prefix to the default value (see ch. 4.1.1) */ - idev->gid_prefix = __constant_cpu_to_be64(0xfe80000000000000ULL); + idev->gid_prefix = cpu_to_be64(0xfe80000000000000ULL); ret = ipath_init_qp_table(idev, ib_ipath_qp_table_size); if (ret) diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index 85a50df2f203..68b3dfa922bf 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -860,21 +860,31 @@ int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, struct mlx4_ib_dev *dev = to_mdev(ibdev); const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; + enum rdma_link_layer link = rdma_port_get_link_layer(ibdev, port_num); - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; - switch (rdma_port_get_link_layer(ibdev, port_num)) { - case IB_LINK_LAYER_INFINIBAND: - if (!mlx4_is_slave(dev->dev)) - return ib_process_mad(ibdev, mad_flags, port_num, in_wc, - in_grh, in_mad, out_mad); - case IB_LINK_LAYER_ETHERNET: - return iboe_process_mad(ibdev, mad_flags, port_num, in_wc, - in_grh, in_mad, out_mad); - default: - return -EINVAL; + /* iboe_process_mad() which uses the HCA flow-counters to implement IB PMA + * queries, should be called only by VFs and for that specific purpose + */ + if (link == IB_LINK_LAYER_INFINIBAND) { + if (mlx4_is_slave(dev->dev) && + in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT && + in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS) + return iboe_process_mad(ibdev, mad_flags, port_num, in_wc, + in_grh, in_mad, out_mad); + + return ib_process_mad(ibdev, mad_flags, port_num, in_wc, + in_grh, in_mad, out_mad); } + + if (link == IB_LINK_LAYER_ETHERNET) + return iboe_process_mad(ibdev, mad_flags, port_num, in_wc, + in_grh, in_mad, out_mad); + + return -EINVAL; } static void send_handler(struct ib_mad_agent *agent, diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 067a691ecbed..8be6db816460 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -253,14 +253,15 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->hca_core_clock = dev->dev->caps.hca_core_clock * 1000UL; props->timestamp_mask = 0xFFFFFFFFFFFFULL; - err = mlx4_get_internal_clock_params(dev->dev, &clock_params); - if (err) - goto out; + if (!mlx4_is_slave(dev->dev)) + err = mlx4_get_internal_clock_params(dev->dev, &clock_params); if (uhw->outlen >= resp.response_length + sizeof(resp.hca_core_clock_offset)) { - resp.hca_core_clock_offset = clock_params.offset % PAGE_SIZE; resp.response_length += sizeof(resp.hca_core_clock_offset); - resp.comp_mask |= QUERY_DEVICE_RESP_MASK_TIMESTAMP; + if (!err && !mlx4_is_slave(dev->dev)) { + resp.comp_mask |= QUERY_DEVICE_RESP_MASK_TIMESTAMP; + resp.hca_core_clock_offset = clock_params.offset % PAGE_SIZE; + } } if (uhw->outlen) { @@ -2669,31 +2670,33 @@ static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init) dm = kcalloc(ports, sizeof(*dm), GFP_ATOMIC); if (!dm) { pr_err("failed to allocate memory for tunneling qp update\n"); - goto out; + return; } for (i = 0; i < ports; i++) { dm[i] = kmalloc(sizeof (struct mlx4_ib_demux_work), GFP_ATOMIC); if (!dm[i]) { pr_err("failed to allocate memory for tunneling qp update work struct\n"); - for (i = 0; i < dev->caps.num_ports; i++) { - if (dm[i]) - kfree(dm[i]); - } + while (--i >= 0) + kfree(dm[i]); goto out; } - } - /* initialize or tear down tunnel QPs for the slave */ - for (i = 0; i < ports; i++) { INIT_WORK(&dm[i]->work, mlx4_ib_tunnels_update_work); dm[i]->port = first_port + i + 1; dm[i]->slave = slave; dm[i]->do_init = do_init; dm[i]->dev = ibdev; - spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags); - if (!ibdev->sriov.is_going_down) + } + /* initialize or tear down tunnel QPs for the slave */ + spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags); + if (!ibdev->sriov.is_going_down) { + for (i = 0; i < ports; i++) queue_work(ibdev->sriov.demux[i].ud_wq, &dm[i]->work); spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags); + } else { + spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags); + for (i = 0; i < ports; i++) + kfree(dm[i]); } out: kfree(dm); diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c index 01fc97db45d6..b84d13a487cc 100644 --- a/drivers/infiniband/hw/mlx5/mad.c +++ b/drivers/infiniband/hw/mlx5/mad.c @@ -68,8 +68,9 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; slid = in_wc ? in_wc->slid : be16_to_cpu(IB_LID_PERMISSIVE); diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c index 6b2418b74c99..7c3f2fb44ba5 100644 --- a/drivers/infiniband/hw/mthca/mthca_mad.c +++ b/drivers/infiniband/hw/mthca/mthca_mad.c @@ -209,8 +209,9 @@ int mthca_process_mad(struct ib_device *ibdev, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; /* Forward locally generated traps to the SM */ if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP && diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 9047af429906..8a3ad170d790 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -1520,8 +1520,9 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi int rc = arpindex; struct net_device *netdev; struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter; + __be32 dst_ipaddr = htonl(dst_ip); - rt = ip_route_output(&init_net, htonl(dst_ip), 0, 0, 0); + rt = ip_route_output(&init_net, dst_ipaddr, nesvnic->local_ipaddr, 0, 0); if (IS_ERR(rt)) { printk(KERN_ERR "%s: ip_route_output_key failed for 0x%08X\n", __func__, dst_ip); @@ -1533,7 +1534,7 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi else netdev = nesvnic->netdev; - neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, netdev); + neigh = dst_neigh_lookup(&rt->dst, &dst_ipaddr); rcu_read_lock(); if (neigh) { diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index 02120d340d50..4713dd7ed764 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -3861,7 +3861,7 @@ void nes_manage_arp_cache(struct net_device *netdev, unsigned char *mac_addr, (((u32)mac_addr[2]) << 24) | (((u32)mac_addr[3]) << 16) | (((u32)mac_addr[4]) << 8) | (u32)mac_addr[5]); cqp_wqe->wqe_words[NES_CQP_ARP_WQE_MAC_HIGH_IDX] = cpu_to_le32( - (((u32)mac_addr[0]) << 16) | (u32)mac_addr[1]); + (((u32)mac_addr[0]) << 8) | (u32)mac_addr[1]); } else { cqp_wqe->wqe_words[NES_CQP_ARP_WQE_MAC_ADDR_LOW_IDX] = 0; cqp_wqe->wqe_words[NES_CQP_ARP_WQE_MAC_HIGH_IDX] = 0; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h index b396344fae16..6a36338593cd 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma.h @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #ifndef __OCRDMA_H__ #define __OCRDMA_H__ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_abi.h b/drivers/infiniband/hw/ocrdma/ocrdma_abi.h index 1554cca5712a..430b1350fe96 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_abi.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_abi.h @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #ifndef __OCRDMA_ABI_H__ #define __OCRDMA_ABI_H__ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c index 4bafa15708d0..44766fee1f4e 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #include <net/neighbour.h> #include <net/netevent.h> @@ -215,8 +230,9 @@ int ocrdma_process_mad(struct ib_device *ibdev, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; switch (in_mad->mad_hdr.mgmt_class) { case IB_MGMT_CLASS_PERF_MGMT: diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.h b/drivers/infiniband/hw/ocrdma/ocrdma_ah.h index cf366fe03cb8..04a30ae67473 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.h @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #ifndef __OCRDMA_AH_H__ #define __OCRDMA_AH_H__ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 47615ff33bc6..aab391a15db4 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) CNA Adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #include <linux/sched.h> #include <linux/interrupt.h> diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h index e905972fceb7..7ed885c1851e 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) CNA Adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #ifndef __OCRDMA_HW_H__ #define __OCRDMA_HW_H__ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 8a1398b253a2..b119a3413a15 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #include <linux/module.h> #include <linux/idr.h> @@ -46,7 +61,7 @@ MODULE_VERSION(OCRDMA_ROCE_DRV_VERSION); MODULE_DESCRIPTION(OCRDMA_ROCE_DRV_DESC " " OCRDMA_ROCE_DRV_VERSION); MODULE_AUTHOR("Emulex Corporation"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("Dual BSD/GPL"); static LIST_HEAD(ocrdma_dev_list); static DEFINE_SPINLOCK(ocrdma_devlist_lock); @@ -696,6 +711,7 @@ static void __exit ocrdma_exit_module(void) ocrdma_unregister_inet6addr_notifier(); ocrdma_unregister_inetaddr_notifier(); ocrdma_rem_debugfs(); + idr_destroy(&ocrdma_dev_id); } module_init(ocrdma_init_module); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h index 02ad0aee99af..80006b24aa11 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #ifndef __OCRDMA_SLI_H__ #define __OCRDMA_SLI_H__ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c index 48d7ef51aa0c..69334e214571 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2014 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #include <rdma/ib_addr.h> #include <rdma/ib_pma.h> diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.h b/drivers/infiniband/hw/ocrdma/ocrdma_stats.h index 091edd68a8a3..c9e58d04c7b8 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_stats.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.h @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2014 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #ifndef __OCRDMA_STATS_H__ #define __OCRDMA_STATS_H__ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 5bb61eb58f2c..bc84cd462ecf 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #include <linux/dma-mapping.h> #include <rdma/ib_verbs.h> diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h index b15c608efa7b..eaccb2d3cb9f 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #ifndef __OCRDMA_VERBS_H__ #define __OCRDMA_VERBS_H__ diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c index 05e3242d8442..9625e7c438e5 100644 --- a/drivers/infiniband/hw/qib/qib_mad.c +++ b/drivers/infiniband/hw/qib/qib_mad.c @@ -2412,8 +2412,9 @@ int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; switch (in_mad->mad_hdr.mgmt_class) { case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index bd94b0a6e9e5..79859c4d43c9 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -239,7 +239,7 @@ struct ipoib_cm_tx { struct net_device *dev; struct ipoib_neigh *neigh; struct ipoib_path *path; - struct ipoib_cm_tx_buf *tx_ring; + struct ipoib_tx_buf *tx_ring; unsigned tx_head; unsigned tx_tail; unsigned long flags; @@ -504,6 +504,33 @@ int ipoib_mcast_stop_thread(struct net_device *dev); void ipoib_mcast_dev_down(struct net_device *dev); void ipoib_mcast_dev_flush(struct net_device *dev); +int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req); +void ipoib_dma_unmap_tx(struct ipoib_dev_priv *priv, + struct ipoib_tx_buf *tx_req); + +static inline void ipoib_build_sge(struct ipoib_dev_priv *priv, + struct ipoib_tx_buf *tx_req) +{ + int i, off; + struct sk_buff *skb = tx_req->skb; + skb_frag_t *frags = skb_shinfo(skb)->frags; + int nr_frags = skb_shinfo(skb)->nr_frags; + u64 *mapping = tx_req->mapping; + + if (skb_headlen(skb)) { + priv->tx_sge[0].addr = mapping[0]; + priv->tx_sge[0].length = skb_headlen(skb); + off = 1; + } else + off = 0; + + for (i = 0; i < nr_frags; ++i) { + priv->tx_sge[i + off].addr = mapping[i + off]; + priv->tx_sge[i + off].length = skb_frag_size(&frags[i]); + } + priv->tx_wr.num_sge = nr_frags + off; +} + #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev); int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index cf32a778e7d0..ee39be6ccfb0 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -694,14 +694,12 @@ repost: static inline int post_send(struct ipoib_dev_priv *priv, struct ipoib_cm_tx *tx, unsigned int wr_id, - u64 addr, int len) + struct ipoib_tx_buf *tx_req) { struct ib_send_wr *bad_wr; - priv->tx_sge[0].addr = addr; - priv->tx_sge[0].length = len; + ipoib_build_sge(priv, tx_req); - priv->tx_wr.num_sge = 1; priv->tx_wr.wr_id = wr_id | IPOIB_OP_CM; return ib_post_send(tx->qp, &priv->tx_wr, &bad_wr); @@ -710,8 +708,7 @@ static inline int post_send(struct ipoib_dev_priv *priv, void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx) { struct ipoib_dev_priv *priv = netdev_priv(dev); - struct ipoib_cm_tx_buf *tx_req; - u64 addr; + struct ipoib_tx_buf *tx_req; int rc; if (unlikely(skb->len > tx->mtu)) { @@ -735,24 +732,21 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_ */ tx_req = &tx->tx_ring[tx->tx_head & (ipoib_sendq_size - 1)]; tx_req->skb = skb; - addr = ib_dma_map_single(priv->ca, skb->data, skb->len, DMA_TO_DEVICE); - if (unlikely(ib_dma_mapping_error(priv->ca, addr))) { + + if (unlikely(ipoib_dma_map_tx(priv->ca, tx_req))) { ++dev->stats.tx_errors; dev_kfree_skb_any(skb); return; } - tx_req->mapping = addr; - skb_orphan(skb); skb_dst_drop(skb); - rc = post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1), - addr, skb->len); + rc = post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1), tx_req); if (unlikely(rc)) { ipoib_warn(priv, "post_send failed, error %d\n", rc); ++dev->stats.tx_errors; - ib_dma_unmap_single(priv->ca, addr, skb->len, DMA_TO_DEVICE); + ipoib_dma_unmap_tx(priv, tx_req); dev_kfree_skb_any(skb); } else { dev->trans_start = jiffies; @@ -777,7 +771,7 @@ void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) struct ipoib_dev_priv *priv = netdev_priv(dev); struct ipoib_cm_tx *tx = wc->qp->qp_context; unsigned int wr_id = wc->wr_id & ~IPOIB_OP_CM; - struct ipoib_cm_tx_buf *tx_req; + struct ipoib_tx_buf *tx_req; unsigned long flags; ipoib_dbg_data(priv, "cm send completion: id %d, status: %d\n", @@ -791,7 +785,7 @@ void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) tx_req = &tx->tx_ring[wr_id]; - ib_dma_unmap_single(priv->ca, tx_req->mapping, tx_req->skb->len, DMA_TO_DEVICE); + ipoib_dma_unmap_tx(priv, tx_req); /* FIXME: is this right? Shouldn't we only increment on success? */ ++dev->stats.tx_packets; @@ -1036,6 +1030,9 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_ struct ib_qp *tx_qp; + if (dev->features & NETIF_F_SG) + attr.cap.max_send_sge = MAX_SKB_FRAGS + 1; + tx_qp = ib_create_qp(priv->pd, &attr); if (PTR_ERR(tx_qp) == -EINVAL) { ipoib_warn(priv, "can't use GFP_NOIO for QPs on device %s, using GFP_KERNEL\n", @@ -1170,7 +1167,7 @@ err_tx: static void ipoib_cm_tx_destroy(struct ipoib_cm_tx *p) { struct ipoib_dev_priv *priv = netdev_priv(p->dev); - struct ipoib_cm_tx_buf *tx_req; + struct ipoib_tx_buf *tx_req; unsigned long begin; ipoib_dbg(priv, "Destroy active connection 0x%x head 0x%x tail 0x%x\n", @@ -1197,8 +1194,7 @@ timeout: while ((int) p->tx_tail - (int) p->tx_head < 0) { tx_req = &p->tx_ring[p->tx_tail & (ipoib_sendq_size - 1)]; - ib_dma_unmap_single(priv->ca, tx_req->mapping, tx_req->skb->len, - DMA_TO_DEVICE); + ipoib_dma_unmap_tx(priv, tx_req); dev_kfree_skb_any(tx_req->skb); ++p->tx_tail; netif_tx_lock_bh(p->dev); @@ -1455,7 +1451,6 @@ static void ipoib_cm_stale_task(struct work_struct *work) spin_unlock_irq(&priv->lock); } - static ssize_t show_mode(struct device *d, struct device_attribute *attr, char *buf) { diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 63b92cbb29ad..d266667ca9b8 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -263,8 +263,7 @@ repost: "for buf %d\n", wr_id); } -static int ipoib_dma_map_tx(struct ib_device *ca, - struct ipoib_tx_buf *tx_req) +int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req) { struct sk_buff *skb = tx_req->skb; u64 *mapping = tx_req->mapping; @@ -305,8 +304,8 @@ partial_error: return -EIO; } -static void ipoib_dma_unmap_tx(struct ib_device *ca, - struct ipoib_tx_buf *tx_req) +void ipoib_dma_unmap_tx(struct ipoib_dev_priv *priv, + struct ipoib_tx_buf *tx_req) { struct sk_buff *skb = tx_req->skb; u64 *mapping = tx_req->mapping; @@ -314,7 +313,8 @@ static void ipoib_dma_unmap_tx(struct ib_device *ca, int off; if (skb_headlen(skb)) { - ib_dma_unmap_single(ca, mapping[0], skb_headlen(skb), DMA_TO_DEVICE); + ib_dma_unmap_single(priv->ca, mapping[0], skb_headlen(skb), + DMA_TO_DEVICE); off = 1; } else off = 0; @@ -322,8 +322,8 @@ static void ipoib_dma_unmap_tx(struct ib_device *ca, for (i = 0; i < skb_shinfo(skb)->nr_frags; ++i) { const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - ib_dma_unmap_page(ca, mapping[i + off], skb_frag_size(frag), - DMA_TO_DEVICE); + ib_dma_unmap_page(priv->ca, mapping[i + off], + skb_frag_size(frag), DMA_TO_DEVICE); } } @@ -389,7 +389,7 @@ static void ipoib_ib_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) tx_req = &priv->tx_ring[wr_id]; - ipoib_dma_unmap_tx(priv->ca, tx_req); + ipoib_dma_unmap_tx(priv, tx_req); ++dev->stats.tx_packets; dev->stats.tx_bytes += tx_req->skb->len; @@ -514,24 +514,10 @@ static inline int post_send(struct ipoib_dev_priv *priv, void *head, int hlen) { struct ib_send_wr *bad_wr; - int i, off; struct sk_buff *skb = tx_req->skb; - skb_frag_t *frags = skb_shinfo(skb)->frags; - int nr_frags = skb_shinfo(skb)->nr_frags; - u64 *mapping = tx_req->mapping; - if (skb_headlen(skb)) { - priv->tx_sge[0].addr = mapping[0]; - priv->tx_sge[0].length = skb_headlen(skb); - off = 1; - } else - off = 0; + ipoib_build_sge(priv, tx_req); - for (i = 0; i < nr_frags; ++i) { - priv->tx_sge[i + off].addr = mapping[i + off]; - priv->tx_sge[i + off].length = skb_frag_size(&frags[i]); - } - priv->tx_wr.num_sge = nr_frags + off; priv->tx_wr.wr_id = wr_id; priv->tx_wr.wr.ud.remote_qpn = qpn; priv->tx_wr.wr.ud.ah = address; @@ -617,7 +603,7 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb, ipoib_warn(priv, "post_send failed, error %d\n", rc); ++dev->stats.tx_errors; --priv->tx_outstanding; - ipoib_dma_unmap_tx(priv->ca, tx_req); + ipoib_dma_unmap_tx(priv, tx_req); dev_kfree_skb_any(skb); if (netif_queue_stopped(dev)) netif_wake_queue(dev); @@ -868,7 +854,7 @@ int ipoib_ib_dev_stop(struct net_device *dev) while ((int) priv->tx_tail - (int) priv->tx_head < 0) { tx_req = &priv->tx_ring[priv->tx_tail & (ipoib_sendq_size - 1)]; - ipoib_dma_unmap_tx(priv->ca, tx_req); + ipoib_dma_unmap_tx(priv, tx_req); dev_kfree_skb_any(tx_req->skb); ++priv->tx_tail; --priv->tx_outstanding; @@ -985,20 +971,21 @@ static inline int update_child_pkey(struct ipoib_dev_priv *priv) } static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, - enum ipoib_flush_level level) + enum ipoib_flush_level level, + int nesting) { struct ipoib_dev_priv *cpriv; struct net_device *dev = priv->dev; int result; - down_read(&priv->vlan_rwsem); + down_read_nested(&priv->vlan_rwsem, nesting); /* * Flush any child interfaces too -- they might be up even if * the parent is down. */ list_for_each_entry(cpriv, &priv->child_intfs, list) - __ipoib_ib_dev_flush(cpriv, level); + __ipoib_ib_dev_flush(cpriv, level, nesting + 1); up_read(&priv->vlan_rwsem); @@ -1076,7 +1063,7 @@ void ipoib_ib_dev_flush_light(struct work_struct *work) struct ipoib_dev_priv *priv = container_of(work, struct ipoib_dev_priv, flush_light); - __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_LIGHT); + __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_LIGHT, 0); } void ipoib_ib_dev_flush_normal(struct work_struct *work) @@ -1084,7 +1071,7 @@ void ipoib_ib_dev_flush_normal(struct work_struct *work) struct ipoib_dev_priv *priv = container_of(work, struct ipoib_dev_priv, flush_normal); - __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_NORMAL); + __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_NORMAL, 0); } void ipoib_ib_dev_flush_heavy(struct work_struct *work) @@ -1092,7 +1079,7 @@ void ipoib_ib_dev_flush_heavy(struct work_struct *work) struct ipoib_dev_priv *priv = container_of(work, struct ipoib_dev_priv, flush_heavy); - __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_HEAVY); + __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_HEAVY, 0); } void ipoib_ib_dev_cleanup(struct net_device *dev) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index da149c278cb8..b2943c84a5dd 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -190,7 +190,7 @@ static netdev_features_t ipoib_fix_features(struct net_device *dev, netdev_featu struct ipoib_dev_priv *priv = netdev_priv(dev); if (test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags)) - features &= ~(NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); + features &= ~(NETIF_F_IP_CSUM | NETIF_F_TSO); return features; } @@ -232,6 +232,7 @@ int ipoib_set_mode(struct net_device *dev, const char *buf) ipoib_warn(priv, "enabling connected mode " "will cause multicast packet drops\n"); netdev_update_features(dev); + dev_set_mtu(dev, ipoib_cm_max_mtu(dev)); rtnl_unlock(); priv->tx_wr.send_flags &= ~IB_SEND_IP_CSUM; @@ -1577,7 +1578,8 @@ static struct net_device *ipoib_add_port(const char *format, SET_NETDEV_DEV(priv->dev, hca->dma_device); priv->dev->dev_id = port - 1; - if (!ib_query_port(hca, port, &attr)) + result = ib_query_port(hca, port, &attr); + if (!result) priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu); else { printk(KERN_WARNING "%s: ib_query_port %d failed\n", @@ -1598,7 +1600,8 @@ static struct net_device *ipoib_add_port(const char *format, goto device_init_failed; } - if (ipoib_set_dev_features(priv, hca)) + result = ipoib_set_dev_features(priv, hca); + if (result) goto device_init_failed; /* @@ -1684,7 +1687,7 @@ static void ipoib_add_one(struct ib_device *device) struct list_head *dev_list; struct net_device *dev; struct ipoib_dev_priv *priv; - int s, e, p; + int p; int count = 0; dev_list = kmalloc(sizeof *dev_list, GFP_KERNEL); @@ -1693,15 +1696,7 @@ static void ipoib_add_one(struct ib_device *device) INIT_LIST_HEAD(dev_list); - if (device->node_type == RDMA_NODE_IB_SWITCH) { - s = 0; - e = 0; - } else { - s = 1; - e = device->phys_port_cnt; - } - - for (p = s; p <= e; ++p) { + for (p = rdma_start_port(device); p <= rdma_end_port(device); ++p) { if (!rdma_protocol_ib(device, p)) continue; dev = ipoib_add_port("ib%d", device, p); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c index 9e6ee82a8fd7..851c8219d501 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c @@ -177,7 +177,8 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca) else size += ipoib_recvq_size * ipoib_max_conn_qp; } else - goto out_free_wq; + if (ret != -ENOSYS) + goto out_free_wq; cq_attr.cqe = size; priv->recv_cq = ib_create_cq(priv->ca, ipoib_ib_completion, NULL, diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 771700963127..d851e1828d6f 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -775,6 +775,17 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) ret = isert_rdma_post_recvl(isert_conn); if (ret) goto out_conn_dev; + /* + * Obtain the second reference now before isert_rdma_accept() to + * ensure that any initiator generated REJECT CM event that occurs + * asynchronously won't drop the last reference until the error path + * in iscsi_target_login_sess_out() does it's ->iscsit_free_conn() -> + * isert_free_conn() -> isert_put_conn() -> kref_put(). + */ + if (!kref_get_unless_zero(&isert_conn->kref)) { + isert_warn("conn %p connect_release is running\n", isert_conn); + goto out_conn_dev; + } ret = isert_rdma_accept(isert_conn); if (ret) @@ -836,11 +847,6 @@ isert_connected_handler(struct rdma_cm_id *cma_id) isert_info("conn %p\n", isert_conn); - if (!kref_get_unless_zero(&isert_conn->kref)) { - isert_warn("conn %p connect_release is running\n", isert_conn); - return; - } - mutex_lock(&isert_conn->mutex); if (isert_conn->state != ISER_CONN_FULL_FEATURE) isert_conn->state = ISER_CONN_UP; diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 267dc4f75502..31a20b462266 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -161,13 +161,10 @@ static int srp_tmo_set(const char *val, const struct kernel_param *kp) { int tmo, res; - if (strncmp(val, "off", 3) != 0) { - res = kstrtoint(val, 0, &tmo); - if (res) - goto out; - } else { - tmo = -1; - } + res = srp_parse_tmo(&tmo, val); + if (res) + goto out; + if (kp->arg == &srp_reconnect_delay) res = srp_tmo_valid(tmo, srp_fast_io_fail_tmo, srp_dev_loss_tmo); @@ -3379,7 +3376,7 @@ static void srp_add_one(struct ib_device *device) struct srp_device *srp_dev; struct ib_device_attr *dev_attr; struct srp_host *host; - int mr_page_shift, s, e, p; + int mr_page_shift, p; u64 max_pages_per_mr; dev_attr = kmalloc(sizeof *dev_attr, GFP_KERNEL); @@ -3443,15 +3440,7 @@ static void srp_add_one(struct ib_device *device) if (IS_ERR(srp_dev->mr)) goto err_pd; - if (device->node_type == RDMA_NODE_IB_SWITCH) { - s = 0; - e = 0; - } else { - s = 1; - e = device->phys_port_cnt; - } - - for (p = s; p <= e; ++p) { + for (p = rdma_start_port(device); p <= rdma_end_port(device); ++p) { host = srp_add_port(srp_dev, p); if (host) list_add_tail(&host->list, &srp_dev->dev_list); diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 82897ca17f32..60ff0a2390e5 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -302,7 +302,7 @@ static void srpt_get_iou(struct ib_dm_mad *mad) int i; ioui = (struct ib_dm_iou_info *)mad->data; - ioui->change_id = __constant_cpu_to_be16(1); + ioui->change_id = cpu_to_be16(1); ioui->max_controllers = 16; /* set present for slot 1 and empty for the rest */ @@ -330,13 +330,13 @@ static void srpt_get_ioc(struct srpt_port *sport, u32 slot, if (!slot || slot > 16) { mad->mad_hdr.status - = __constant_cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD); + = cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD); return; } if (slot > 2) { mad->mad_hdr.status - = __constant_cpu_to_be16(DM_MAD_STATUS_NO_IOC); + = cpu_to_be16(DM_MAD_STATUS_NO_IOC); return; } @@ -348,10 +348,10 @@ static void srpt_get_ioc(struct srpt_port *sport, u32 slot, iocp->device_version = cpu_to_be16(sdev->dev_attr.hw_ver); iocp->subsys_vendor_id = cpu_to_be32(sdev->dev_attr.vendor_id); iocp->subsys_device_id = 0x0; - iocp->io_class = __constant_cpu_to_be16(SRP_REV16A_IB_IO_CLASS); - iocp->io_subclass = __constant_cpu_to_be16(SRP_IO_SUBCLASS); - iocp->protocol = __constant_cpu_to_be16(SRP_PROTOCOL); - iocp->protocol_version = __constant_cpu_to_be16(SRP_PROTOCOL_VERSION); + iocp->io_class = cpu_to_be16(SRP_REV16A_IB_IO_CLASS); + iocp->io_subclass = cpu_to_be16(SRP_IO_SUBCLASS); + iocp->protocol = cpu_to_be16(SRP_PROTOCOL); + iocp->protocol_version = cpu_to_be16(SRP_PROTOCOL_VERSION); iocp->send_queue_depth = cpu_to_be16(sdev->srq_size); iocp->rdma_read_depth = 4; iocp->send_size = cpu_to_be32(srp_max_req_size); @@ -379,13 +379,13 @@ static void srpt_get_svc_entries(u64 ioc_guid, if (!slot || slot > 16) { mad->mad_hdr.status - = __constant_cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD); + = cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD); return; } if (slot > 2 || lo > hi || hi > 1) { mad->mad_hdr.status - = __constant_cpu_to_be16(DM_MAD_STATUS_NO_IOC); + = cpu_to_be16(DM_MAD_STATUS_NO_IOC); return; } @@ -436,7 +436,7 @@ static void srpt_mgmt_method_get(struct srpt_port *sp, struct ib_mad *rq_mad, break; default: rsp_mad->mad_hdr.status = - __constant_cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR); + cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR); break; } } @@ -493,11 +493,11 @@ static void srpt_mad_recv_handler(struct ib_mad_agent *mad_agent, break; case IB_MGMT_METHOD_SET: dm_mad->mad_hdr.status = - __constant_cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR); + cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR); break; default: dm_mad->mad_hdr.status = - __constant_cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD); + cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD); break; } @@ -1535,7 +1535,7 @@ static int srpt_build_cmd_rsp(struct srpt_rdma_ch *ch, memset(srp_rsp, 0, sizeof *srp_rsp); srp_rsp->opcode = SRP_RSP; srp_rsp->req_lim_delta = - __constant_cpu_to_be32(1 + atomic_xchg(&ch->req_lim_delta, 0)); + cpu_to_be32(1 + atomic_xchg(&ch->req_lim_delta, 0)); srp_rsp->tag = tag; srp_rsp->status = status; @@ -1585,8 +1585,8 @@ static int srpt_build_tskmgmt_rsp(struct srpt_rdma_ch *ch, memset(srp_rsp, 0, sizeof *srp_rsp); srp_rsp->opcode = SRP_RSP; - srp_rsp->req_lim_delta = __constant_cpu_to_be32(1 - + atomic_xchg(&ch->req_lim_delta, 0)); + srp_rsp->req_lim_delta = + cpu_to_be32(1 + atomic_xchg(&ch->req_lim_delta, 0)); srp_rsp->tag = tag; srp_rsp->flags |= SRP_RSP_FLAG_RSPVALID; @@ -1630,7 +1630,7 @@ static uint64_t srpt_unpack_lun(const uint8_t *lun, int len) switch (len) { case 8: if ((*((__be64 *)lun) & - __constant_cpu_to_be64(0x0000FFFFFFFFFFFFLL)) != 0) + cpu_to_be64(0x0000FFFFFFFFFFFFLL)) != 0) goto out_err; break; case 4: @@ -2449,8 +2449,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, } if (it_iu_len > srp_max_req_size || it_iu_len < 64) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_REQ_IT_IU_LENGTH_TOO_LARGE); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_REQ_IT_IU_LENGTH_TOO_LARGE); ret = -EINVAL; pr_err("rejected SRP_LOGIN_REQ because its" " length (%d bytes) is out of range (%d .. %d)\n", @@ -2459,8 +2459,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, } if (!sport->enabled) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); ret = -EINVAL; pr_err("rejected SRP_LOGIN_REQ because the target port" " has not yet been enabled\n"); @@ -2505,8 +2505,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, if (*(__be64 *)req->target_port_id != cpu_to_be64(srpt_service_guid) || *(__be64 *)(req->target_port_id + 8) != cpu_to_be64(srpt_service_guid)) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_UNABLE_ASSOCIATE_CHANNEL); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_UNABLE_ASSOCIATE_CHANNEL); ret = -ENOMEM; pr_err("rejected SRP_LOGIN_REQ because it" " has an invalid target port identifier.\n"); @@ -2515,8 +2515,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, ch = kzalloc(sizeof *ch, GFP_KERNEL); if (!ch) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_err("rejected SRP_LOGIN_REQ because no memory.\n"); ret = -ENOMEM; goto reject; @@ -2552,8 +2552,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, ret = srpt_create_ch_ib(ch); if (ret) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_err("rejected SRP_LOGIN_REQ because creating" " a new RDMA channel failed.\n"); goto free_ring; @@ -2561,8 +2561,7 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, ret = srpt_ch_qp_rtr(ch, ch->qp); if (ret) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32(SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_err("rejected SRP_LOGIN_REQ because enabling" " RTR failed (error code = %d)\n", ret); goto destroy_ib; @@ -2580,15 +2579,15 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, if (!nacl) { pr_info("Rejected login because no ACL has been" " configured yet for initiator %s.\n", ch->sess_name); - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_CHANNEL_LIMIT_REACHED); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_CHANNEL_LIMIT_REACHED); goto destroy_ib; } ch->sess = transport_init_session(TARGET_PROT_NORMAL); if (IS_ERR(ch->sess)) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_debug("Failed to create session\n"); goto deregister_session; } @@ -2604,8 +2603,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, rsp->max_it_iu_len = req->req_it_iu_len; rsp->max_ti_iu_len = req->req_it_iu_len; ch->max_ti_iu_len = it_iu_len; - rsp->buf_fmt = __constant_cpu_to_be16(SRP_BUF_FORMAT_DIRECT - | SRP_BUF_FORMAT_INDIRECT); + rsp->buf_fmt = cpu_to_be16(SRP_BUF_FORMAT_DIRECT + | SRP_BUF_FORMAT_INDIRECT); rsp->req_lim_delta = cpu_to_be32(ch->rq_size); atomic_set(&ch->req_lim, ch->rq_size); atomic_set(&ch->req_lim_delta, 0); @@ -2655,8 +2654,8 @@ free_ch: reject: rej->opcode = SRP_LOGIN_REJ; rej->tag = req->tag; - rej->buf_fmt = __constant_cpu_to_be16(SRP_BUF_FORMAT_DIRECT - | SRP_BUF_FORMAT_INDIRECT); + rej->buf_fmt = cpu_to_be16(SRP_BUF_FORMAT_DIRECT + | SRP_BUF_FORMAT_INDIRECT); ib_send_cm_rej(cm_id, IB_CM_REJ_CONSUMER_DEFINED, NULL, 0, (void *)rej, sizeof *rej); diff --git a/drivers/input/input-leds.c b/drivers/input/input-leds.c index 074a65ed17bb..766bf2660116 100644 --- a/drivers/input/input-leds.c +++ b/drivers/input/input-leds.c @@ -71,6 +71,18 @@ static void input_leds_event(struct input_handle *handle, unsigned int type, { } +static int input_leds_get_count(struct input_dev *dev) +{ + unsigned int led_code; + int count = 0; + + for_each_set_bit(led_code, dev->ledbit, LED_CNT) + if (input_led_info[led_code].name) + count++; + + return count; +} + static int input_leds_connect(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id) @@ -81,7 +93,7 @@ static int input_leds_connect(struct input_handler *handler, int led_no; int error; - num_leds = bitmap_weight(dev->ledbit, LED_CNT); + num_leds = input_leds_get_count(dev); if (!num_leds) return -ENXIO; @@ -112,7 +124,7 @@ static int input_leds_connect(struct input_handler *handler, led->handle = &leds->handle; led->code = led_code; - if (WARN_ON(!input_led_info[led_code].name)) + if (!input_led_info[led_code].name) continue; led->cdev.name = kasprintf(GFP_KERNEL, "%s::%s", diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c index 27b6a3ce18ca..891797ad76bc 100644 --- a/drivers/input/joystick/turbografx.c +++ b/drivers/input/joystick/turbografx.c @@ -196,7 +196,7 @@ static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs) if (n_buttons[i] < 1) continue; - if (n_buttons[i] > 6) { + if (n_buttons[i] > ARRAY_SIZE(tgfx_buttons)) { printk(KERN_ERR "turbografx.c: Invalid number of buttons %d\n", n_buttons[i]); err = -EINVAL; goto err_unreg_devs; diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c index 097d7216d98e..c6dc644aa580 100644 --- a/drivers/input/keyboard/gpio_keys_polled.c +++ b/drivers/input/keyboard/gpio_keys_polled.c @@ -246,7 +246,7 @@ static int gpio_keys_polled_probe(struct platform_device *pdev) * convert it to descriptor. */ if (!button->gpiod && gpio_is_valid(button->gpio)) { - unsigned flags = 0; + unsigned flags = GPIOF_IN; if (button->active_low) flags |= GPIOF_ACTIVE_LOW; diff --git a/drivers/input/misc/axp20x-pek.c b/drivers/input/misc/axp20x-pek.c index 10e140af5aac..1ac898db303a 100644 --- a/drivers/input/misc/axp20x-pek.c +++ b/drivers/input/misc/axp20x-pek.c @@ -292,3 +292,4 @@ module_platform_driver(axp20x_pek_driver); MODULE_DESCRIPTION("axp20x Power Button"); MODULE_AUTHOR("Carlo Caione <carlo@caione.org>"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:axp20x-pek"); diff --git a/drivers/input/misc/twl4030-vibra.c b/drivers/input/misc/twl4030-vibra.c index fc17b9592f54..10c4e3d462f1 100644 --- a/drivers/input/misc/twl4030-vibra.c +++ b/drivers/input/misc/twl4030-vibra.c @@ -183,7 +183,8 @@ static bool twl4030_vibra_check_coexist(struct twl4030_vibra_data *pdata, if (pdata && pdata->coexist) return true; - if (of_find_node_by_name(node, "codec")) { + node = of_find_node_by_name(node, "codec"); + if (node) { of_node_put(node); return true; } diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 113d6f1516a5..4d246861d692 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -20,6 +20,7 @@ #include <linux/input/mt.h> #include <linux/serio.h> #include <linux/libps2.h> +#include <linux/dmi.h> #include "psmouse.h" #include "alps.h" @@ -99,6 +100,7 @@ static const struct alps_nibble_commands alps_v6_nibble_commands[] = { #define ALPS_FOUR_BUTTONS 0x40 /* 4 direction button present */ #define ALPS_PS2_INTERLEAVED 0x80 /* 3-byte PS/2 packet interleaved with 6-byte ALPS packet */ +#define ALPS_DELL 0x100 /* device is a Dell laptop */ #define ALPS_BUTTONPAD 0x200 /* device is a clickpad */ static const struct alps_model_info alps_model_data[] = { @@ -251,9 +253,9 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse) return; } - /* Non interleaved V2 dualpoint has separate stick button bits */ + /* Dell non interleaved V2 dualpoint has separate stick button bits */ if (priv->proto_version == ALPS_PROTO_V2 && - priv->flags == (ALPS_PASS | ALPS_DUALPOINT)) { + priv->flags == (ALPS_DELL | ALPS_PASS | ALPS_DUALPOINT)) { left |= packet[0] & 1; right |= packet[0] & 2; middle |= packet[0] & 4; @@ -2550,6 +2552,8 @@ static int alps_set_protocol(struct psmouse *psmouse, priv->byte0 = protocol->byte0; priv->mask0 = protocol->mask0; priv->flags = protocol->flags; + if (dmi_name_in_vendors("Dell")) + priv->flags |= ALPS_DELL; priv->x_max = 2000; priv->y_max = 1400; diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index b10709f04615..30e3442518f8 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -2,6 +2,7 @@ * Apple USB BCM5974 (Macbook Air and Penryn Macbook Pro) multitouch driver * * Copyright (C) 2008 Henrik Rydberg (rydberg@euromail.se) + * Copyright (C) 2015 John Horan (knasher@gmail.com) * * The USB initialization and package decoding was made by * Scott Shawcroft as part of the touchd user-space driver project: @@ -91,6 +92,10 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI 0x0290 #define USB_DEVICE_ID_APPLE_WELLSPRING8_ISO 0x0291 #define USB_DEVICE_ID_APPLE_WELLSPRING8_JIS 0x0292 +/* MacbookPro12,1 (2015) */ +#define USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI 0x0272 +#define USB_DEVICE_ID_APPLE_WELLSPRING9_ISO 0x0273 +#define USB_DEVICE_ID_APPLE_WELLSPRING9_JIS 0x0274 #define BCM5974_DEVICE(prod) { \ .match_flags = (USB_DEVICE_ID_MATCH_DEVICE | \ @@ -152,6 +157,10 @@ static const struct usb_device_id bcm5974_table[] = { BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_ISO), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_JIS), + /* MacbookPro12,1 */ + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING9_ISO), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING9_JIS), /* Terminating entry */ {} }; @@ -180,21 +189,47 @@ struct bt_data { enum tp_type { TYPE1, /* plain trackpad */ TYPE2, /* button integrated in trackpad */ - TYPE3 /* additional header fields since June 2013 */ + TYPE3, /* additional header fields since June 2013 */ + TYPE4 /* additional header field for pressure data */ }; /* trackpad finger data offsets, le16-aligned */ -#define FINGER_TYPE1 (13 * sizeof(__le16)) -#define FINGER_TYPE2 (15 * sizeof(__le16)) -#define FINGER_TYPE3 (19 * sizeof(__le16)) +#define HEADER_TYPE1 (13 * sizeof(__le16)) +#define HEADER_TYPE2 (15 * sizeof(__le16)) +#define HEADER_TYPE3 (19 * sizeof(__le16)) +#define HEADER_TYPE4 (23 * sizeof(__le16)) /* trackpad button data offsets */ +#define BUTTON_TYPE1 0 #define BUTTON_TYPE2 15 #define BUTTON_TYPE3 23 +#define BUTTON_TYPE4 31 /* list of device capability bits */ #define HAS_INTEGRATED_BUTTON 1 +/* trackpad finger data block size */ +#define FSIZE_TYPE1 (14 * sizeof(__le16)) +#define FSIZE_TYPE2 (14 * sizeof(__le16)) +#define FSIZE_TYPE3 (14 * sizeof(__le16)) +#define FSIZE_TYPE4 (15 * sizeof(__le16)) + +/* offset from header to finger struct */ +#define DELTA_TYPE1 (0 * sizeof(__le16)) +#define DELTA_TYPE2 (0 * sizeof(__le16)) +#define DELTA_TYPE3 (0 * sizeof(__le16)) +#define DELTA_TYPE4 (1 * sizeof(__le16)) + +/* usb control message mode switch data */ +#define USBMSG_TYPE1 8, 0x300, 0, 0, 0x1, 0x8 +#define USBMSG_TYPE2 8, 0x300, 0, 0, 0x1, 0x8 +#define USBMSG_TYPE3 8, 0x300, 0, 0, 0x1, 0x8 +#define USBMSG_TYPE4 2, 0x302, 2, 1, 0x1, 0x0 + +/* Wellspring initialization constants */ +#define BCM5974_WELLSPRING_MODE_READ_REQUEST_ID 1 +#define BCM5974_WELLSPRING_MODE_WRITE_REQUEST_ID 9 + /* trackpad finger structure, le16-aligned */ struct tp_finger { __le16 origin; /* zero when switching track finger */ @@ -207,14 +242,13 @@ struct tp_finger { __le16 orientation; /* 16384 when point, else 15 bit angle */ __le16 touch_major; /* touch area, major axis */ __le16 touch_minor; /* touch area, minor axis */ - __le16 unused[3]; /* zeros */ + __le16 unused[2]; /* zeros */ + __le16 pressure; /* pressure on forcetouch touchpad */ __le16 multi; /* one finger: varies, more fingers: constant */ } __attribute__((packed,aligned(2))); /* trackpad finger data size, empirically at least ten fingers */ #define MAX_FINGERS 16 -#define SIZEOF_FINGER sizeof(struct tp_finger) -#define SIZEOF_ALL_FINGERS (MAX_FINGERS * SIZEOF_FINGER) #define MAX_FINGER_ORIENTATION 16384 /* device-specific parameters */ @@ -232,8 +266,17 @@ struct bcm5974_config { int bt_datalen; /* data length of the button interface */ int tp_ep; /* the endpoint of the trackpad interface */ enum tp_type tp_type; /* type of trackpad interface */ - int tp_offset; /* offset to trackpad finger data */ + int tp_header; /* bytes in header block */ int tp_datalen; /* data length of the trackpad interface */ + int tp_button; /* offset to button data */ + int tp_fsize; /* bytes in single finger block */ + int tp_delta; /* offset from header to finger struct */ + int um_size; /* usb control message length */ + int um_req_val; /* usb control message value */ + int um_req_idx; /* usb control message index */ + int um_switch_idx; /* usb control message mode switch index */ + int um_switch_on; /* usb control message mode switch on */ + int um_switch_off; /* usb control message mode switch off */ struct bcm5974_param p; /* finger pressure limits */ struct bcm5974_param w; /* finger width limits */ struct bcm5974_param x; /* horizontal limits */ @@ -259,6 +302,24 @@ struct bcm5974 { int slots[MAX_FINGERS]; /* slot assignments */ }; +/* trackpad finger block data, le16-aligned */ +static const struct tp_finger *get_tp_finger(const struct bcm5974 *dev, int i) +{ + const struct bcm5974_config *c = &dev->cfg; + u8 *f_base = dev->tp_data + c->tp_header + c->tp_delta; + + return (const struct tp_finger *)(f_base + i * c->tp_fsize); +} + +#define DATAFORMAT(type) \ + type, \ + HEADER_##type, \ + HEADER_##type + (MAX_FINGERS) * (FSIZE_##type), \ + BUTTON_##type, \ + FSIZE_##type, \ + DELTA_##type, \ + USBMSG_##type + /* logical signal quality */ #define SN_PRESSURE 45 /* pressure signal-to-noise ratio */ #define SN_WIDTH 25 /* width signal-to-noise ratio */ @@ -273,7 +334,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING_JIS, 0, 0x84, sizeof(struct bt_data), - 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE1), { SN_PRESSURE, 0, 256 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4824, 5342 }, @@ -286,7 +347,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING2_JIS, 0, 0x84, sizeof(struct bt_data), - 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE1), { SN_PRESSURE, 0, 256 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4824, 4824 }, @@ -299,7 +360,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING3_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4460, 5166 }, @@ -312,7 +373,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING4_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4620, 5140 }, @@ -325,7 +386,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4616, 5112 }, @@ -338,7 +399,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING5_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4415, 5050 }, @@ -351,7 +412,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING6_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4620, 5140 }, @@ -364,7 +425,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4750, 5280 }, @@ -377,7 +438,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4620, 5140 }, @@ -390,7 +451,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING7_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4750, 5280 }, @@ -403,7 +464,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4750, 5280 }, @@ -416,13 +477,26 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING8_JIS, HAS_INTEGRATED_BUTTON, 0, sizeof(struct bt_data), - 0x83, TYPE3, FINGER_TYPE3, FINGER_TYPE3 + SIZEOF_ALL_FINGERS, + 0x83, DATAFORMAT(TYPE3), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4620, 5140 }, { SN_COORD, -150, 6600 }, { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, + { + USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI, + USB_DEVICE_ID_APPLE_WELLSPRING9_ISO, + USB_DEVICE_ID_APPLE_WELLSPRING9_JIS, + HAS_INTEGRATED_BUTTON, + 0, sizeof(struct bt_data), + 0x83, DATAFORMAT(TYPE4), + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4828, 5345 }, + { SN_COORD, -203, 6803 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } + }, {} }; @@ -549,19 +623,18 @@ static int report_tp_state(struct bcm5974 *dev, int size) struct input_dev *input = dev->input; int raw_n, i, n = 0; - if (size < c->tp_offset || (size - c->tp_offset) % SIZEOF_FINGER != 0) + if (size < c->tp_header || (size - c->tp_header) % c->tp_fsize != 0) return -EIO; - /* finger data, le16-aligned */ - f = (const struct tp_finger *)(dev->tp_data + c->tp_offset); - raw_n = (size - c->tp_offset) / SIZEOF_FINGER; + raw_n = (size - c->tp_header) / c->tp_fsize; for (i = 0; i < raw_n; i++) { - if (raw2int(f[i].touch_major) == 0) + f = get_tp_finger(dev, i); + if (raw2int(f->touch_major) == 0) continue; - dev->pos[n].x = raw2int(f[i].abs_x); - dev->pos[n].y = c->y.min + c->y.max - raw2int(f[i].abs_y); - dev->index[n++] = &f[i]; + dev->pos[n].x = raw2int(f->abs_x); + dev->pos[n].y = c->y.min + c->y.max - raw2int(f->abs_y); + dev->index[n++] = f; } input_mt_assign_slots(input, dev->slots, dev->pos, n, 0); @@ -572,32 +645,22 @@ static int report_tp_state(struct bcm5974 *dev, int size) input_mt_sync_frame(input); - report_synaptics_data(input, c, f, raw_n); + report_synaptics_data(input, c, get_tp_finger(dev, 0), raw_n); - /* type 2 reports button events via ibt only */ - if (c->tp_type == TYPE2) { - int ibt = raw2int(dev->tp_data[BUTTON_TYPE2]); + /* later types report button events via integrated button only */ + if (c->caps & HAS_INTEGRATED_BUTTON) { + int ibt = raw2int(dev->tp_data[c->tp_button]); input_report_key(input, BTN_LEFT, ibt); } - if (c->tp_type == TYPE3) - input_report_key(input, BTN_LEFT, dev->tp_data[BUTTON_TYPE3]); - input_sync(input); return 0; } -/* Wellspring initialization constants */ -#define BCM5974_WELLSPRING_MODE_READ_REQUEST_ID 1 -#define BCM5974_WELLSPRING_MODE_WRITE_REQUEST_ID 9 -#define BCM5974_WELLSPRING_MODE_REQUEST_VALUE 0x300 -#define BCM5974_WELLSPRING_MODE_REQUEST_INDEX 0 -#define BCM5974_WELLSPRING_MODE_VENDOR_VALUE 0x01 -#define BCM5974_WELLSPRING_MODE_NORMAL_VALUE 0x08 - static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on) { + const struct bcm5974_config *c = &dev->cfg; int retval = 0, size; char *data; @@ -605,7 +668,7 @@ static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on) if (dev->cfg.tp_type == TYPE3) return 0; - data = kmalloc(8, GFP_KERNEL); + data = kmalloc(c->um_size, GFP_KERNEL); if (!data) { dev_err(&dev->intf->dev, "out of memory\n"); retval = -ENOMEM; @@ -616,28 +679,24 @@ static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on) size = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), BCM5974_WELLSPRING_MODE_READ_REQUEST_ID, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, - BCM5974_WELLSPRING_MODE_REQUEST_VALUE, - BCM5974_WELLSPRING_MODE_REQUEST_INDEX, data, 8, 5000); + c->um_req_val, c->um_req_idx, data, c->um_size, 5000); - if (size != 8) { + if (size != c->um_size) { dev_err(&dev->intf->dev, "could not read from device\n"); retval = -EIO; goto out; } /* apply the mode switch */ - data[0] = on ? - BCM5974_WELLSPRING_MODE_VENDOR_VALUE : - BCM5974_WELLSPRING_MODE_NORMAL_VALUE; + data[c->um_switch_idx] = on ? c->um_switch_on : c->um_switch_off; /* write configuration */ size = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), BCM5974_WELLSPRING_MODE_WRITE_REQUEST_ID, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, - BCM5974_WELLSPRING_MODE_REQUEST_VALUE, - BCM5974_WELLSPRING_MODE_REQUEST_INDEX, data, 8, 5000); + c->um_req_val, c->um_req_idx, data, c->um_size, 5000); - if (size != 8) { + if (size != c->um_size) { dev_err(&dev->intf->dev, "could not write to device\n"); retval = -EIO; goto out; diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index 62641f2adaf7..5b5f403d8ce6 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -771,7 +771,7 @@ static const struct attribute_group *elan_sysfs_groups[] = { */ static void elan_report_contact(struct elan_tp_data *data, int contact_num, bool contact_valid, - bool hover_event, u8 *finger_data) + u8 *finger_data) { struct input_dev *input = data->input; unsigned int pos_x, pos_y; @@ -815,9 +815,7 @@ static void elan_report_contact(struct elan_tp_data *data, input_mt_report_slot_state(input, MT_TOOL_FINGER, true); input_report_abs(input, ABS_MT_POSITION_X, pos_x); input_report_abs(input, ABS_MT_POSITION_Y, data->max_y - pos_y); - input_report_abs(input, ABS_MT_DISTANCE, hover_event); - input_report_abs(input, ABS_MT_PRESSURE, - hover_event ? 0 : scaled_pressure); + input_report_abs(input, ABS_MT_PRESSURE, scaled_pressure); input_report_abs(input, ABS_TOOL_WIDTH, mk_x); input_report_abs(input, ABS_MT_TOUCH_MAJOR, major); input_report_abs(input, ABS_MT_TOUCH_MINOR, minor); @@ -839,14 +837,14 @@ static void elan_report_absolute(struct elan_tp_data *data, u8 *packet) hover_event = hover_info & 0x40; for (i = 0; i < ETP_MAX_FINGERS; i++) { contact_valid = tp_info & (1U << (3 + i)); - elan_report_contact(data, i, contact_valid, hover_event, - finger_data); + elan_report_contact(data, i, contact_valid, finger_data); if (contact_valid) finger_data += ETP_FINGER_DATA_LEN; } input_report_key(input, BTN_LEFT, tp_info & 0x01); + input_report_abs(input, ABS_DISTANCE, hover_event != 0); input_mt_report_pointer_emulation(input, true); input_sync(input); } @@ -922,6 +920,7 @@ static int elan_setup_input_device(struct elan_tp_data *data) input_abs_set_res(input, ABS_Y, data->y_res); input_set_abs_params(input, ABS_PRESSURE, 0, ETP_MAX_PRESSURE, 0, 0); input_set_abs_params(input, ABS_TOOL_WIDTH, 0, ETP_FINGER_WIDTH, 0, 0); + input_set_abs_params(input, ABS_DISTANCE, 0, 1, 0, 0); /* And MT parameters */ input_set_abs_params(input, ABS_MT_POSITION_X, 0, data->max_x, 0, 0); @@ -934,7 +933,6 @@ static int elan_setup_input_device(struct elan_tp_data *data) ETP_FINGER_WIDTH * max_width, 0, 0); input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, ETP_FINGER_WIDTH * min_width, 0, 0); - input_set_abs_params(input, ABS_MT_DISTANCE, 0, 1, 0, 0); data->input = input; diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index ce3d40004458..2955f1d0ca6c 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -783,19 +783,26 @@ static int elantech_packet_check_v4(struct psmouse *psmouse) struct elantech_data *etd = psmouse->private; unsigned char *packet = psmouse->packet; unsigned char packet_type = packet[3] & 0x03; + unsigned int ic_version; bool sanity_check; if (etd->tp_dev && (packet[3] & 0x0f) == 0x06) return PACKET_TRACKPOINT; + /* This represents the version of IC body. */ + ic_version = (etd->fw_version & 0x0f0000) >> 16; + /* * Sanity check based on the constant bits of a packet. * The constant bits change depending on the value of - * the hardware flag 'crc_enabled' but are the same for - * every packet, regardless of the type. + * the hardware flag 'crc_enabled' and the version of + * the IC body, but are the same for every packet, + * regardless of the type. */ if (etd->crc_enabled) sanity_check = ((packet[3] & 0x08) == 0x00); + else if (ic_version == 7 && etd->samples[1] == 0x2A) + sanity_check = ((packet[3] & 0x1c) == 0x10); else sanity_check = ((packet[0] & 0x0c) == 0x04 && (packet[3] & 0x1c) == 0x10); @@ -1116,6 +1123,7 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse, * Avatar AVIU-145A2 0x361f00 ? clickpad * Fujitsu LIFEBOOK E544 0x470f00 d0, 12, 09 2 hw buttons * Fujitsu LIFEBOOK E554 0x570f01 40, 14, 0c 2 hw buttons + * Fujitsu T725 0x470f01 05, 12, 09 2 hw buttons * Fujitsu H730 0x570f00 c0, 14, 0c 3 hw buttons (**) * Gigabyte U2442 0x450f01 58, 17, 0c 2 hw buttons * Lenovo L430 0x350f02 b9, 15, 0c 2 hw buttons (*) @@ -1167,7 +1175,7 @@ static int elantech_set_input_params(struct psmouse *psmouse) struct input_dev *dev = psmouse->dev; struct elantech_data *etd = psmouse->private; unsigned int x_min = 0, y_min = 0, x_max = 0, y_max = 0, width = 0; - unsigned int x_res = 0, y_res = 0; + unsigned int x_res = 31, y_res = 31; if (elantech_set_range(psmouse, &x_min, &y_min, &x_max, &y_max, &width)) return -1; @@ -1232,8 +1240,6 @@ static int elantech_set_input_params(struct psmouse *psmouse) /* For X to recognize me as touchpad. */ input_set_abs_params(dev, ABS_X, x_min, x_max, 0, 0); input_set_abs_params(dev, ABS_Y, y_min, y_max, 0, 0); - input_abs_set_res(dev, ABS_X, x_res); - input_abs_set_res(dev, ABS_Y, y_res); /* * range of pressure and width is the same as v2, * report ABS_PRESSURE, ABS_TOOL_WIDTH for compatibility. @@ -1246,8 +1252,6 @@ static int elantech_set_input_params(struct psmouse *psmouse) input_mt_init_slots(dev, ETP_MAX_FINGERS, 0); input_set_abs_params(dev, ABS_MT_POSITION_X, x_min, x_max, 0, 0); input_set_abs_params(dev, ABS_MT_POSITION_Y, y_min, y_max, 0, 0); - input_abs_set_res(dev, ABS_MT_POSITION_X, x_res); - input_abs_set_res(dev, ABS_MT_POSITION_Y, y_res); input_set_abs_params(dev, ABS_MT_PRESSURE, ETP_PMIN_V2, ETP_PMAX_V2, 0, 0); /* @@ -1259,6 +1263,13 @@ static int elantech_set_input_params(struct psmouse *psmouse) break; } + input_abs_set_res(dev, ABS_X, x_res); + input_abs_set_res(dev, ABS_Y, y_res); + if (etd->hw_version > 1) { + input_abs_set_res(dev, ABS_MT_POSITION_X, x_res); + input_abs_set_res(dev, ABS_MT_POSITION_Y, y_res); + } + etd->y_max = y_max; etd->width = width; @@ -1648,6 +1659,16 @@ int elantech_init(struct psmouse *psmouse) etd->capabilities[0], etd->capabilities[1], etd->capabilities[2]); + if (etd->hw_version != 1) { + if (etd->send_cmd(psmouse, ETP_SAMPLE_QUERY, etd->samples)) { + psmouse_err(psmouse, "failed to query sample data\n"); + goto init_fail; + } + psmouse_info(psmouse, + "Elan sample query result %02x, %02x, %02x\n", + etd->samples[0], etd->samples[1], etd->samples[2]); + } + if (elantech_set_absolute_mode(psmouse)) { psmouse_err(psmouse, "failed to put touchpad into absolute mode.\n"); diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h index f965d1569cc3..e1cbf409d9c8 100644 --- a/drivers/input/mouse/elantech.h +++ b/drivers/input/mouse/elantech.h @@ -129,6 +129,7 @@ struct elantech_data { unsigned char reg_26; unsigned char debug; unsigned char capabilities[3]; + unsigned char samples[3]; bool paritycheck; bool jumpy_cursor; bool reports_pressure; diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 35c8d0ceabee..6025eb430c0a 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -1199,7 +1199,7 @@ static void set_input_params(struct psmouse *psmouse, ABS_MT_POSITION_Y); /* Image sensors can report per-contact pressure */ input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0); - input_mt_init_slots(dev, 3, INPUT_MT_POINTER | INPUT_MT_TRACK); + input_mt_init_slots(dev, 2, INPUT_MT_POINTER | INPUT_MT_TRACK); /* Image sensors can signal 4 and 5 finger clicks */ __set_bit(BTN_TOOL_QUADTAP, dev->keybit); @@ -1484,12 +1484,12 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS; psmouse_info(psmouse, - "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx, board id: %lu, fw id: %lu\n", + "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx/%#lx, board id: %lu, fw id: %lu\n", SYN_ID_MODEL(priv->identity), SYN_ID_MAJOR(priv->identity), SYN_ID_MINOR(priv->identity), priv->model_id, priv->capabilities, priv->ext_cap, priv->ext_cap_0c, - priv->board_id, priv->firmware_id); + priv->ext_cap_10, priv->board_id, priv->firmware_id); set_input_params(psmouse, priv); diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index b4d12e29abff..e36162b28c2a 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -15,6 +15,7 @@ */ #include <linux/kernel.h> +#include <linux/dmi.h> #include <linux/i2c.h> #include <linux/input.h> #include <linux/input/mt.h> @@ -34,6 +35,7 @@ struct goodix_ts_data { int abs_y_max; unsigned int max_touch_num; unsigned int int_trigger_type; + bool rotated_screen; }; #define GOODIX_MAX_HEIGHT 4096 @@ -60,6 +62,30 @@ static const unsigned long goodix_irq_flags[] = { IRQ_TYPE_LEVEL_HIGH, }; +/* + * Those tablets have their coordinates origin at the bottom right + * of the tablet, as if rotated 180 degrees + */ +static const struct dmi_system_id rotated_screen[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_X86) + { + .ident = "WinBook TW100", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "WinBook"), + DMI_MATCH(DMI_PRODUCT_NAME, "TW100") + } + }, + { + .ident = "WinBook TW700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "WinBook"), + DMI_MATCH(DMI_PRODUCT_NAME, "TW700") + }, + }, +#endif + {} +}; + /** * goodix_i2c_read - read data from a register of the i2c slave device. * @@ -129,6 +155,11 @@ static void goodix_ts_report_touch(struct goodix_ts_data *ts, u8 *coor_data) int input_y = get_unaligned_le16(&coor_data[3]); int input_w = get_unaligned_le16(&coor_data[5]); + if (ts->rotated_screen) { + input_x = ts->abs_x_max - input_x; + input_y = ts->abs_y_max - input_y; + } + input_mt_slot(ts->input_dev, id); input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, true); input_report_abs(ts->input_dev, ABS_MT_POSITION_X, input_x); @@ -223,6 +254,11 @@ static void goodix_read_config(struct goodix_ts_data *ts) ts->abs_y_max = GOODIX_MAX_HEIGHT; ts->max_touch_num = GOODIX_MAX_CONTACTS; } + + ts->rotated_screen = dmi_check_system(rotated_screen); + if (ts->rotated_screen) + dev_dbg(&ts->client->dev, + "Applying '180 degrees rotated screen' quirk\n"); } /** diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index f2c6c352c55a..2c41107240de 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -627,6 +627,9 @@ static int dmc_tsc10_init(struct usbtouch_usb *usbtouch) goto err_out; } + /* TSC-25 data sheet specifies a delay after the RESET command */ + msleep(150); + /* set coordinate output rate */ buf[0] = buf[1] = 0xFF; ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index a57e9b749895..658ee39e6569 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -76,8 +76,6 @@ LIST_HEAD(hpet_map); * Domain for untranslated devices - only allocated * if iommu=pt passed on kernel cmd line. */ -static struct protection_domain *pt_domain; - static const struct iommu_ops amd_iommu_ops; static ATOMIC_NOTIFIER_HEAD(ppr_notifier); @@ -96,7 +94,7 @@ struct iommu_dev_data { struct protection_domain *domain; /* Domain the device is bound to */ u16 devid; /* PCI Device ID */ bool iommu_v2; /* Device can make use of IOMMUv2 */ - bool passthrough; /* Default for device is pt_domain */ + bool passthrough; /* Device is identity mapped */ struct { bool enabled; int qdep; @@ -116,7 +114,6 @@ struct iommu_cmd { struct kmem_cache *amd_iommu_irq_cache; static void update_domain(struct protection_domain *domain); -static int alloc_passthrough_domain(void); static int protection_domain_init(struct protection_domain *domain); /**************************************************************************** @@ -2167,15 +2164,17 @@ static int attach_device(struct device *dev, dev_data = get_dev_data(dev); if (domain->flags & PD_IOMMUV2_MASK) { - if (!dev_data->iommu_v2 || !dev_data->passthrough) + if (!dev_data->passthrough) return -EINVAL; - if (pdev_iommuv2_enable(pdev) != 0) - return -EINVAL; + if (dev_data->iommu_v2) { + if (pdev_iommuv2_enable(pdev) != 0) + return -EINVAL; - dev_data->ats.enabled = true; - dev_data->ats.qdep = pci_ats_queue_depth(pdev); - dev_data->pri_tlp = pci_pri_tlp_required(pdev); + dev_data->ats.enabled = true; + dev_data->ats.qdep = pci_ats_queue_depth(pdev); + dev_data->pri_tlp = pci_pri_tlp_required(pdev); + } } else if (amd_iommu_iotlb_sup && pci_enable_ats(pdev, PAGE_SHIFT) == 0) { dev_data->ats.enabled = true; @@ -2221,15 +2220,6 @@ static void __detach_device(struct iommu_dev_data *dev_data) do_detach(head); spin_unlock_irqrestore(&domain->lock, flags); - - /* - * If we run in passthrough mode the device must be assigned to the - * passthrough domain if it is detached from any other domain. - * Make sure we can deassign from the pt_domain itself. - */ - if (dev_data->passthrough && - (dev_data->domain == NULL && domain != pt_domain)) - __attach_device(dev_data, pt_domain); } /* @@ -2249,7 +2239,7 @@ static void detach_device(struct device *dev) __detach_device(dev_data); write_unlock_irqrestore(&amd_iommu_devtable_lock, flags); - if (domain->flags & PD_IOMMUV2_MASK) + if (domain->flags & PD_IOMMUV2_MASK && dev_data->iommu_v2) pdev_iommuv2_disable(to_pci_dev(dev)); else if (dev_data->ats.enabled) pci_disable_ats(to_pci_dev(dev)); @@ -2287,17 +2277,15 @@ static int amd_iommu_add_device(struct device *dev) BUG_ON(!dev_data); - if (dev_data->iommu_v2) + if (iommu_pass_through || dev_data->iommu_v2) iommu_request_dm_for_dev(dev); /* Domains are initialized for this device - have a look what we ended up with */ domain = iommu_get_domain_for_dev(dev); - if (domain->type == IOMMU_DOMAIN_IDENTITY) { + if (domain->type == IOMMU_DOMAIN_IDENTITY) dev_data->passthrough = true; - dev->archdata.dma_ops = &nommu_dma_ops; - } else { + else dev->archdata.dma_ops = &amd_iommu_dma_ops; - } out: iommu_completion_wait(iommu); @@ -2862,8 +2850,17 @@ int __init amd_iommu_init_api(void) int __init amd_iommu_init_dma_ops(void) { + swiotlb = iommu_pass_through ? 1 : 0; iommu_detected = 1; - swiotlb = 0; + + /* + * In case we don't initialize SWIOTLB (actually the common case + * when AMD IOMMU is enabled), make sure there are global + * dma_ops set as a fall-back for devices not handled by this + * driver (for example non-PCI devices). + */ + if (!swiotlb) + dma_ops = &nommu_dma_ops; amd_iommu_stats_init(); @@ -2947,21 +2944,6 @@ out_err: return NULL; } -static int alloc_passthrough_domain(void) -{ - if (pt_domain != NULL) - return 0; - - /* allocate passthrough domain */ - pt_domain = protection_domain_alloc(); - if (!pt_domain) - return -ENOMEM; - - pt_domain->mode = PAGE_MODE_NONE; - - return 0; -} - static struct iommu_domain *amd_iommu_domain_alloc(unsigned type) { struct protection_domain *pdomain; @@ -3222,33 +3204,6 @@ static const struct iommu_ops amd_iommu_ops = { * *****************************************************************************/ -int __init amd_iommu_init_passthrough(void) -{ - struct iommu_dev_data *dev_data; - struct pci_dev *dev = NULL; - int ret; - - ret = alloc_passthrough_domain(); - if (ret) - return ret; - - for_each_pci_dev(dev) { - if (!check_device(&dev->dev)) - continue; - - dev_data = get_dev_data(&dev->dev); - dev_data->passthrough = true; - - attach_device(&dev->dev, pt_domain); - } - - amd_iommu_stats_init(); - - pr_info("AMD-Vi: Initialized for Passthrough Mode\n"); - - return 0; -} - /* IOMMUv2 specific functions */ int amd_iommu_register_ppr_notifier(struct notifier_block *nb) { @@ -3363,7 +3318,12 @@ static int __flush_pasid(struct protection_domain *domain, int pasid, struct amd_iommu *iommu; int qdep; - BUG_ON(!dev_data->ats.enabled); + /* + There might be non-IOMMUv2 capable devices in an IOMMUv2 + * domain. + */ + if (!dev_data->ats.enabled) + continue; qdep = dev_data->ats.qdep; iommu = amd_iommu_rlookup_table[dev_data->devid]; diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index dbda9ae68c5d..a24495eb4e26 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -2026,14 +2026,6 @@ static bool detect_ivrs(void) return true; } -static int amd_iommu_init_dma(void) -{ - if (iommu_pass_through) - return amd_iommu_init_passthrough(); - else - return amd_iommu_init_dma_ops(); -} - /**************************************************************************** * * AMD IOMMU Initialization State Machine @@ -2073,7 +2065,7 @@ static int __init state_next(void) init_state = ret ? IOMMU_INIT_ERROR : IOMMU_INTERRUPTS_EN; break; case IOMMU_INTERRUPTS_EN: - ret = amd_iommu_init_dma(); + ret = amd_iommu_init_dma_ops(); init_state = ret ? IOMMU_INIT_ERROR : IOMMU_DMA_OPS; break; case IOMMU_DMA_OPS: diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index 3465faf1809e..f7b875bb70d4 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -132,11 +132,19 @@ static struct device_state *get_device_state(u16 devid) static void free_device_state(struct device_state *dev_state) { + struct iommu_group *group; + /* * First detach device from domain - No more PRI requests will arrive * from that device after it is unbound from the IOMMUv2 domain. */ - iommu_detach_device(dev_state->domain, &dev_state->pdev->dev); + group = iommu_group_get(&dev_state->pdev->dev); + if (WARN_ON(!group)) + return; + + iommu_detach_group(dev_state->domain, group); + + iommu_group_put(group); /* Everything is down now, free the IOMMUv2 domain */ iommu_domain_free(dev_state->domain); @@ -731,6 +739,7 @@ EXPORT_SYMBOL(amd_iommu_unbind_pasid); int amd_iommu_init_device(struct pci_dev *pdev, int pasids) { struct device_state *dev_state; + struct iommu_group *group; unsigned long flags; int ret, tmp; u16 devid; @@ -776,10 +785,16 @@ int amd_iommu_init_device(struct pci_dev *pdev, int pasids) if (ret) goto out_free_domain; - ret = iommu_attach_device(dev_state->domain, &pdev->dev); - if (ret != 0) + group = iommu_group_get(&pdev->dev); + if (!group) goto out_free_domain; + ret = iommu_attach_group(dev_state->domain, group); + if (ret != 0) + goto out_drop_group; + + iommu_group_put(group); + spin_lock_irqsave(&state_lock, flags); if (__get_device_state(devid) != NULL) { @@ -794,6 +809,9 @@ int amd_iommu_init_device(struct pci_dev *pdev, int pasids) return 0; +out_drop_group: + iommu_group_put(group); + out_free_domain: iommu_domain_free(dev_state->domain); diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 8e9ec81ce4bb..da902baaa794 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -199,9 +199,10 @@ * Stream table. * * Linear: Enough to cover 1 << IDR1.SIDSIZE entries - * 2lvl: 8k L1 entries, 256 lazy entries per table (each table covers a PCI bus) + * 2lvl: 128k L1 entries, + * 256 lazy entries per table (each table covers a PCI bus) */ -#define STRTAB_L1_SZ_SHIFT 16 +#define STRTAB_L1_SZ_SHIFT 20 #define STRTAB_SPLIT 8 #define STRTAB_L1_DESC_DWORDS 1 @@ -269,10 +270,10 @@ #define ARM64_TCR_TG0_SHIFT 14 #define ARM64_TCR_TG0_MASK 0x3UL #define CTXDESC_CD_0_TCR_IRGN0_SHIFT 8 -#define ARM64_TCR_IRGN0_SHIFT 24 +#define ARM64_TCR_IRGN0_SHIFT 8 #define ARM64_TCR_IRGN0_MASK 0x3UL #define CTXDESC_CD_0_TCR_ORGN0_SHIFT 10 -#define ARM64_TCR_ORGN0_SHIFT 26 +#define ARM64_TCR_ORGN0_SHIFT 10 #define ARM64_TCR_ORGN0_MASK 0x3UL #define CTXDESC_CD_0_TCR_SH0_SHIFT 12 #define ARM64_TCR_SH0_SHIFT 12 @@ -542,6 +543,9 @@ struct arm_smmu_device { #define ARM_SMMU_FEAT_HYP (1 << 12) u32 features; +#define ARM_SMMU_OPT_SKIP_PREFETCH (1 << 0) + u32 options; + struct arm_smmu_cmdq cmdq; struct arm_smmu_evtq evtq; struct arm_smmu_priq priq; @@ -602,11 +606,35 @@ struct arm_smmu_domain { static DEFINE_SPINLOCK(arm_smmu_devices_lock); static LIST_HEAD(arm_smmu_devices); +struct arm_smmu_option_prop { + u32 opt; + const char *prop; +}; + +static struct arm_smmu_option_prop arm_smmu_options[] = { + { ARM_SMMU_OPT_SKIP_PREFETCH, "hisilicon,broken-prefetch-cmd" }, + { 0, NULL}, +}; + static struct arm_smmu_domain *to_smmu_domain(struct iommu_domain *dom) { return container_of(dom, struct arm_smmu_domain, domain); } +static void parse_driver_options(struct arm_smmu_device *smmu) +{ + int i = 0; + + do { + if (of_property_read_bool(smmu->dev->of_node, + arm_smmu_options[i].prop)) { + smmu->options |= arm_smmu_options[i].opt; + dev_notice(smmu->dev, "option %s\n", + arm_smmu_options[i].prop); + } + } while (arm_smmu_options[++i].opt); +} + /* Low-level queue manipulation functions */ static bool queue_full(struct arm_smmu_queue *q) { @@ -1036,7 +1064,8 @@ static void arm_smmu_write_strtab_ent(struct arm_smmu_device *smmu, u32 sid, arm_smmu_sync_ste_for_sid(smmu, sid); /* It's likely that we'll want to use the new STE soon */ - arm_smmu_cmdq_issue_cmd(smmu, &prefetch_cmd); + if (!(smmu->options & ARM_SMMU_OPT_SKIP_PREFETCH)) + arm_smmu_cmdq_issue_cmd(smmu, &prefetch_cmd); } static void arm_smmu_init_bypass_stes(u64 *strtab, unsigned int nent) @@ -1064,7 +1093,7 @@ static int arm_smmu_init_l2_strtab(struct arm_smmu_device *smmu, u32 sid) return 0; size = 1 << (STRTAB_SPLIT + ilog2(STRTAB_STE_DWORDS) + 3); - strtab = &cfg->strtab[sid >> STRTAB_SPLIT << STRTAB_L1_DESC_DWORDS]; + strtab = &cfg->strtab[(sid >> STRTAB_SPLIT) * STRTAB_L1_DESC_DWORDS]; desc->span = STRTAB_SPLIT + 1; desc->l2ptr = dma_zalloc_coherent(smmu->dev, size, &desc->l2ptr_dma, @@ -2020,21 +2049,23 @@ static int arm_smmu_init_strtab_2lvl(struct arm_smmu_device *smmu) { void *strtab; u64 reg; - u32 size; + u32 size, l1size; int ret; struct arm_smmu_strtab_cfg *cfg = &smmu->strtab_cfg; /* Calculate the L1 size, capped to the SIDSIZE */ size = STRTAB_L1_SZ_SHIFT - (ilog2(STRTAB_L1_DESC_DWORDS) + 3); size = min(size, smmu->sid_bits - STRTAB_SPLIT); - if (size + STRTAB_SPLIT < smmu->sid_bits) + cfg->num_l1_ents = 1 << size; + + size += STRTAB_SPLIT; + if (size < smmu->sid_bits) dev_warn(smmu->dev, "2-level strtab only covers %u/%u bits of SID\n", - size + STRTAB_SPLIT, smmu->sid_bits); + size, smmu->sid_bits); - cfg->num_l1_ents = 1 << size; - size = cfg->num_l1_ents * (STRTAB_L1_DESC_DWORDS << 3); - strtab = dma_zalloc_coherent(smmu->dev, size, &cfg->strtab_dma, + l1size = cfg->num_l1_ents * (STRTAB_L1_DESC_DWORDS << 3); + strtab = dma_zalloc_coherent(smmu->dev, l1size, &cfg->strtab_dma, GFP_KERNEL); if (!strtab) { dev_err(smmu->dev, @@ -2055,8 +2086,7 @@ static int arm_smmu_init_strtab_2lvl(struct arm_smmu_device *smmu) ret = arm_smmu_init_l1_strtab(smmu); if (ret) dma_free_coherent(smmu->dev, - cfg->num_l1_ents * - (STRTAB_L1_DESC_DWORDS << 3), + l1size, strtab, cfg->strtab_dma); return ret; @@ -2573,6 +2603,8 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) if (irq > 0) smmu->gerr_irq = irq; + parse_driver_options(smmu); + /* Probe the h/w */ ret = arm_smmu_device_probe(smmu); if (ret) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a98a7b27aca1..0649b94f5958 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1830,8 +1830,9 @@ static int domain_init(struct dmar_domain *domain, int guest_width) static void domain_exit(struct dmar_domain *domain) { + struct dmar_drhd_unit *drhd; + struct intel_iommu *iommu; struct page *freelist = NULL; - int i; /* Domain 0 is reserved, so dont process it */ if (!domain) @@ -1851,8 +1852,10 @@ static void domain_exit(struct dmar_domain *domain) /* clear attached or cached domains */ rcu_read_lock(); - for_each_set_bit(i, domain->iommu_bmp, g_num_of_iommus) - iommu_detach_domain(domain, g_iommus[i]); + for_each_active_iommu(iommu, drhd) + if (domain_type_is_vm(domain) || + test_bit(iommu->seq_id, domain->iommu_bmp)) + iommu_detach_domain(domain, iommu); rcu_read_unlock(); dma_free_pagelist(freelist); diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c index 692fe2bc8197..c12bb93334ff 100644 --- a/drivers/irqchip/irq-crossbar.c +++ b/drivers/irqchip/irq-crossbar.c @@ -68,7 +68,9 @@ static struct irq_chip crossbar_chip = { .irq_mask = irq_chip_mask_parent, .irq_unmask = irq_chip_unmask_parent, .irq_retrigger = irq_chip_retrigger_hierarchy, - .irq_set_wake = irq_chip_set_wake_parent, + .irq_set_type = irq_chip_set_type_parent, + .flags = IRQCHIP_MASK_ON_SUSPEND | + IRQCHIP_SKIP_SET_WAKE, #ifdef CONFIG_SMP .irq_set_affinity = irq_chip_set_affinity_parent, #endif diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 1b7e155869f6..c00e2db351ba 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -75,6 +75,13 @@ struct its_node { #define ITS_ITT_ALIGN SZ_256 +struct event_lpi_map { + unsigned long *lpi_map; + u16 *col_map; + irq_hw_number_t lpi_base; + int nr_lpis; +}; + /* * The ITS view of a device - belongs to an ITS, a collection, owns an * interrupt translation table, and a list of interrupts. @@ -82,11 +89,8 @@ struct its_node { struct its_device { struct list_head entry; struct its_node *its; - struct its_collection *collection; + struct event_lpi_map event_map; void *itt; - unsigned long *lpi_map; - irq_hw_number_t lpi_base; - int nr_lpis; u32 nr_ites; u32 device_id; }; @@ -99,6 +103,14 @@ static struct rdists *gic_rdists; #define gic_data_rdist() (raw_cpu_ptr(gic_rdists->rdist)) #define gic_data_rdist_rd_base() (gic_data_rdist()->rd_base) +static struct its_collection *dev_event_to_col(struct its_device *its_dev, + u32 event) +{ + struct its_node *its = its_dev->its; + + return its->collections + its_dev->event_map.col_map[event]; +} + /* * ITS command descriptors - parameters to be encoded in a command * block. @@ -134,7 +146,7 @@ struct its_cmd_desc { struct { struct its_device *dev; struct its_collection *col; - u32 id; + u32 event_id; } its_movi_cmd; struct { @@ -241,7 +253,7 @@ static struct its_collection *its_build_mapd_cmd(struct its_cmd_block *cmd, its_fixup_cmd(cmd); - return desc->its_mapd_cmd.dev->collection; + return NULL; } static struct its_collection *its_build_mapc_cmd(struct its_cmd_block *cmd, @@ -260,52 +272,72 @@ static struct its_collection *its_build_mapc_cmd(struct its_cmd_block *cmd, static struct its_collection *its_build_mapvi_cmd(struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + struct its_collection *col; + + col = dev_event_to_col(desc->its_mapvi_cmd.dev, + desc->its_mapvi_cmd.event_id); + its_encode_cmd(cmd, GITS_CMD_MAPVI); its_encode_devid(cmd, desc->its_mapvi_cmd.dev->device_id); its_encode_event_id(cmd, desc->its_mapvi_cmd.event_id); its_encode_phys_id(cmd, desc->its_mapvi_cmd.phys_id); - its_encode_collection(cmd, desc->its_mapvi_cmd.dev->collection->col_id); + its_encode_collection(cmd, col->col_id); its_fixup_cmd(cmd); - return desc->its_mapvi_cmd.dev->collection; + return col; } static struct its_collection *its_build_movi_cmd(struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + struct its_collection *col; + + col = dev_event_to_col(desc->its_movi_cmd.dev, + desc->its_movi_cmd.event_id); + its_encode_cmd(cmd, GITS_CMD_MOVI); its_encode_devid(cmd, desc->its_movi_cmd.dev->device_id); - its_encode_event_id(cmd, desc->its_movi_cmd.id); + its_encode_event_id(cmd, desc->its_movi_cmd.event_id); its_encode_collection(cmd, desc->its_movi_cmd.col->col_id); its_fixup_cmd(cmd); - return desc->its_movi_cmd.dev->collection; + return col; } static struct its_collection *its_build_discard_cmd(struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + struct its_collection *col; + + col = dev_event_to_col(desc->its_discard_cmd.dev, + desc->its_discard_cmd.event_id); + its_encode_cmd(cmd, GITS_CMD_DISCARD); its_encode_devid(cmd, desc->its_discard_cmd.dev->device_id); its_encode_event_id(cmd, desc->its_discard_cmd.event_id); its_fixup_cmd(cmd); - return desc->its_discard_cmd.dev->collection; + return col; } static struct its_collection *its_build_inv_cmd(struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + struct its_collection *col; + + col = dev_event_to_col(desc->its_inv_cmd.dev, + desc->its_inv_cmd.event_id); + its_encode_cmd(cmd, GITS_CMD_INV); its_encode_devid(cmd, desc->its_inv_cmd.dev->device_id); its_encode_event_id(cmd, desc->its_inv_cmd.event_id); its_fixup_cmd(cmd); - return desc->its_inv_cmd.dev->collection; + return col; } static struct its_collection *its_build_invall_cmd(struct its_cmd_block *cmd, @@ -497,7 +529,7 @@ static void its_send_movi(struct its_device *dev, desc.its_movi_cmd.dev = dev; desc.its_movi_cmd.col = col; - desc.its_movi_cmd.id = id; + desc.its_movi_cmd.event_id = id; its_send_single_command(dev->its, its_build_movi_cmd, &desc); } @@ -528,7 +560,7 @@ static void its_send_invall(struct its_node *its, struct its_collection *col) static inline u32 its_get_event_id(struct irq_data *d) { struct its_device *its_dev = irq_data_get_irq_chip_data(d); - return d->hwirq - its_dev->lpi_base; + return d->hwirq - its_dev->event_map.lpi_base; } static void lpi_set_config(struct irq_data *d, bool enable) @@ -583,7 +615,7 @@ static int its_set_affinity(struct irq_data *d, const struct cpumask *mask_val, target_col = &its_dev->its->collections[cpu]; its_send_movi(its_dev, target_col, id); - its_dev->collection = target_col; + its_dev->event_map.col_map[id] = cpu; return IRQ_SET_MASK_OK_DONE; } @@ -713,8 +745,10 @@ out: return bitmap; } -static void its_lpi_free(unsigned long *bitmap, int base, int nr_ids) +static void its_lpi_free(struct event_lpi_map *map) { + int base = map->lpi_base; + int nr_ids = map->nr_lpis; int lpi; spin_lock(&lpi_lock); @@ -731,7 +765,8 @@ static void its_lpi_free(unsigned long *bitmap, int base, int nr_ids) spin_unlock(&lpi_lock); - kfree(bitmap); + kfree(map->lpi_map); + kfree(map->col_map); } /* @@ -1099,11 +1134,11 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id, struct its_device *dev; unsigned long *lpi_map; unsigned long flags; + u16 *col_map = NULL; void *itt; int lpi_base; int nr_lpis; int nr_ites; - int cpu; int sz; dev = kzalloc(sizeof(*dev), GFP_KERNEL); @@ -1117,20 +1152,24 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id, sz = max(sz, ITS_ITT_ALIGN) + ITS_ITT_ALIGN - 1; itt = kzalloc(sz, GFP_KERNEL); lpi_map = its_lpi_alloc_chunks(nvecs, &lpi_base, &nr_lpis); + if (lpi_map) + col_map = kzalloc(sizeof(*col_map) * nr_lpis, GFP_KERNEL); - if (!dev || !itt || !lpi_map) { + if (!dev || !itt || !lpi_map || !col_map) { kfree(dev); kfree(itt); kfree(lpi_map); + kfree(col_map); return NULL; } dev->its = its; dev->itt = itt; dev->nr_ites = nr_ites; - dev->lpi_map = lpi_map; - dev->lpi_base = lpi_base; - dev->nr_lpis = nr_lpis; + dev->event_map.lpi_map = lpi_map; + dev->event_map.col_map = col_map; + dev->event_map.lpi_base = lpi_base; + dev->event_map.nr_lpis = nr_lpis; dev->device_id = dev_id; INIT_LIST_HEAD(&dev->entry); @@ -1138,10 +1177,6 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id, list_add(&dev->entry, &its->its_device_list); raw_spin_unlock_irqrestore(&its->lock, flags); - /* Bind the device to the first possible CPU */ - cpu = cpumask_first(cpu_online_mask); - dev->collection = &its->collections[cpu]; - /* Map device to its ITT */ its_send_mapd(dev, 1); @@ -1163,12 +1198,13 @@ static int its_alloc_device_irq(struct its_device *dev, irq_hw_number_t *hwirq) { int idx; - idx = find_first_zero_bit(dev->lpi_map, dev->nr_lpis); - if (idx == dev->nr_lpis) + idx = find_first_zero_bit(dev->event_map.lpi_map, + dev->event_map.nr_lpis); + if (idx == dev->event_map.nr_lpis) return -ENOSPC; - *hwirq = dev->lpi_base + idx; - set_bit(idx, dev->lpi_map); + *hwirq = dev->event_map.lpi_base + idx; + set_bit(idx, dev->event_map.lpi_map); return 0; } @@ -1288,7 +1324,8 @@ static int its_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, irq_domain_set_hwirq_and_chip(domain, virq + i, hwirq, &its_irq_chip, its_dev); dev_dbg(info->scratchpad[1].ptr, "ID:%d pID:%d vID:%d\n", - (int)(hwirq - its_dev->lpi_base), (int)hwirq, virq + i); + (int)(hwirq - its_dev->event_map.lpi_base), + (int)hwirq, virq + i); } return 0; @@ -1300,6 +1337,9 @@ static void its_irq_domain_activate(struct irq_domain *domain, struct its_device *its_dev = irq_data_get_irq_chip_data(d); u32 event = its_get_event_id(d); + /* Bind the LPI to the first possible CPU */ + its_dev->event_map.col_map[event] = cpumask_first(cpu_online_mask); + /* Map the GIC IRQ and event to the device */ its_send_mapvi(its_dev, d->hwirq, event); } @@ -1327,17 +1367,16 @@ static void its_irq_domain_free(struct irq_domain *domain, unsigned int virq, u32 event = its_get_event_id(data); /* Mark interrupt index as unused */ - clear_bit(event, its_dev->lpi_map); + clear_bit(event, its_dev->event_map.lpi_map); /* Nuke the entry in the domain */ irq_domain_reset_irq_data(data); } /* If all interrupts have been freed, start mopping the floor */ - if (bitmap_empty(its_dev->lpi_map, its_dev->nr_lpis)) { - its_lpi_free(its_dev->lpi_map, - its_dev->lpi_base, - its_dev->nr_lpis); + if (bitmap_empty(its_dev->event_map.lpi_map, + its_dev->event_map.nr_lpis)) { + its_lpi_free(&its_dev->event_map); /* Unmap device/itt */ its_send_mapd(its_dev, 0); diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 8d7e1c8b6d56..4dd88264dff5 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -1055,7 +1055,7 @@ gic_acpi_parse_madt_cpu(struct acpi_subtable_header *header, processor = (struct acpi_madt_generic_interrupt *)header; - if (BAD_MADT_ENTRY(processor, end)) + if (BAD_MADT_GICC_ENTRY(processor, end)) return -EINVAL; /* diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index 4400edd1a6c7..ff4be0515a0d 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -257,16 +257,6 @@ int gic_get_c0_fdc_int(void) return MIPS_CPU_IRQ_BASE + cp0_fdc_irq; } - /* - * Some cores claim the FDC is routable but it doesn't actually seem to - * be connected. - */ - switch (current_cpu_type()) { - case CPU_INTERAPTIV: - case CPU_PROAPTIV: - return -1; - } - return irq_create_mapping(gic_irq_domain, GIC_LOCAL_TO_HWIRQ(GIC_LOCAL_INT_FDC)); } @@ -548,7 +538,7 @@ static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) static irqreturn_t ipi_call_interrupt(int irq, void *dev_id) { - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); return IRQ_HANDLED; } diff --git a/drivers/irqchip/spear-shirq.c b/drivers/irqchip/spear-shirq.c index a45121546caf..acb721b31bcf 100644 --- a/drivers/irqchip/spear-shirq.c +++ b/drivers/irqchip/spear-shirq.c @@ -2,7 +2,7 @@ * SPEAr platform shared irq layer source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * Copyright (C) 2012 ST Microelectronics * Shiraz Hashim <shiraz.linux.kernel@gmail.com> diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c index 8c91fd5eb6fd..375be509e95f 100644 --- a/drivers/isdn/gigaset/ser-gigaset.c +++ b/drivers/isdn/gigaset/ser-gigaset.c @@ -524,9 +524,18 @@ gigaset_tty_open(struct tty_struct *tty) cs->hw.ser->tty = tty; atomic_set(&cs->hw.ser->refcnt, 1); init_completion(&cs->hw.ser->dead_cmp); - tty->disc_data = cs; + /* Set the amount of data we're willing to receive per call + * from the hardware driver to half of the input buffer size + * to leave some reserve. + * Note: We don't do flow control towards the hardware driver. + * If more data is received than will fit into the input buffer, + * it will be dropped and an error will be logged. This should + * never happen as the device is slow and the buffer size ample. + */ + tty->receive_room = RBUFSIZE/2; + /* OK.. Initialization of the datastructures and the HW is done.. Now * startup system and notify the LL that we are ready to run */ @@ -598,28 +607,6 @@ static int gigaset_tty_hangup(struct tty_struct *tty) } /* - * Read on the tty. - * Unused, received data goes only to the Gigaset driver. - */ -static ssize_t -gigaset_tty_read(struct tty_struct *tty, struct file *file, - unsigned char __user *buf, size_t count) -{ - return -EAGAIN; -} - -/* - * Write on the tty. - * Unused, transmit data comes only from the Gigaset driver. - */ -static ssize_t -gigaset_tty_write(struct tty_struct *tty, struct file *file, - const unsigned char *buf, size_t count) -{ - return -EAGAIN; -} - -/* * Ioctl on the tty. * Called in process context only. * May be re-entered by multiple ioctl calling threads. @@ -752,8 +739,6 @@ static struct tty_ldisc_ops gigaset_ldisc = { .open = gigaset_tty_open, .close = gigaset_tty_close, .hangup = gigaset_tty_hangup, - .read = gigaset_tty_read, - .write = gigaset_tty_write, .ioctl = gigaset_tty_ioctl, .receive_buf = gigaset_tty_receive, .write_wakeup = gigaset_tty_wakeup, diff --git a/drivers/macintosh/ans-lcd.c b/drivers/macintosh/ans-lcd.c index 1a57e88a38f7..cd35079c8c98 100644 --- a/drivers/macintosh/ans-lcd.c +++ b/drivers/macintosh/ans-lcd.c @@ -7,7 +7,7 @@ #include <linux/kernel.h> #include <linux/miscdevice.h> #include <linux/fcntl.h> -#include <linux/init.h> +#include <linux/module.h> #include <linux/delay.h> #include <linux/fs.h> diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index b59727309072..bfec3bdfe598 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -259,7 +259,7 @@ config DM_CRYPT the ciphers you're going to use in the cryptoapi configuration. For further information on dm-crypt and userspace tools see: - <http://code.google.com/p/cryptsetup/wiki/DMCrypt> + <https://gitlab.com/cryptsetup/cryptsetup/wikis/DMCrypt> To compile this code as a module, choose M here: the module will be called dm-crypt. diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h index a08e3eeac3c5..79a6d63e8ed3 100644 --- a/drivers/md/bcache/closure.h +++ b/drivers/md/bcache/closure.h @@ -320,7 +320,6 @@ static inline void closure_wake_up(struct closure_waitlist *list) do { \ set_closure_fn(_cl, _fn, _wq); \ closure_sub(_cl, CLOSURE_RUNNING + 1); \ - return; \ } while (0) /** @@ -349,7 +348,6 @@ do { \ do { \ set_closure_fn(_cl, _fn, _wq); \ closure_queue(_cl); \ - return; \ } while (0) /** @@ -365,7 +363,6 @@ do { \ do { \ set_closure_fn(_cl, _destructor, NULL); \ closure_sub(_cl, CLOSURE_RUNNING - CLOSURE_DESTRUCTOR + 1); \ - return; \ } while (0) /** diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c index cb64e64a4789..bf6a9ca18403 100644 --- a/drivers/md/bcache/io.c +++ b/drivers/md/bcache/io.c @@ -105,6 +105,7 @@ void bch_generic_make_request(struct bio *bio, struct bio_split_pool *p) } while (n != bio); continue_at(&s->cl, bch_bio_submit_split_done, NULL); + return; submit: generic_make_request(bio); } diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index ce64fc851251..418607a6ba33 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -592,12 +592,14 @@ static void journal_write_unlocked(struct closure *cl) if (!w->need_write) { closure_return_with_destructor(cl, journal_write_unlock); + return; } else if (journal_full(&c->journal)) { journal_reclaim(c); spin_unlock(&c->journal.lock); btree_flush_write(c); continue_at(cl, journal_write, system_wq); + return; } c->journal.blocks_free -= set_blocks(w->data, block_bytes(c)); diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 4afb2d26b148..f292790997d7 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -88,8 +88,10 @@ static void bch_data_insert_keys(struct closure *cl) if (journal_ref) atomic_dec_bug(journal_ref); - if (!op->insert_data_done) + if (!op->insert_data_done) { continue_at(cl, bch_data_insert_start, op->wq); + return; + } bch_keylist_free(&op->insert_keys); closure_return(cl); @@ -216,8 +218,10 @@ static void bch_data_insert_start(struct closure *cl) /* 1 for the device pointer and 1 for the chksum */ if (bch_keylist_realloc(&op->insert_keys, 3 + (op->csum ? 1 : 0), - op->c)) + op->c)) { continue_at(cl, bch_data_insert_keys, op->wq); + return; + } k = op->insert_keys.top; bkey_init(k); @@ -255,6 +259,7 @@ static void bch_data_insert_start(struct closure *cl) op->insert_data_done = true; continue_at(cl, bch_data_insert_keys, op->wq); + return; err: /* bch_alloc_sectors() blocks if s->writeback = true */ BUG_ON(op->writeback); @@ -576,8 +581,10 @@ static void cache_lookup(struct closure *cl) ret = bch_btree_map_keys(&s->op, s->iop.c, &KEY(s->iop.inode, bio->bi_iter.bi_sector, 0), cache_lookup_fn, MAP_END_KEY); - if (ret == -EAGAIN) + if (ret == -EAGAIN) { continue_at(cl, cache_lookup, bcache_wq); + return; + } closure_return(cl); } @@ -1085,6 +1092,7 @@ static void flash_dev_make_request(struct request_queue *q, struct bio *bio) continue_at_nobarrier(&s->cl, flash_dev_nodata, bcache_wq); + return; } else if (rw) { bch_keybuf_check_overlapping(&s->iop.c->moving_gc_keys, &KEY(d->id, bio->bi_iter.bi_sector, 0), diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index ed2346ddf4c9..e51de52eeb94 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -494,7 +494,7 @@ static int bitmap_new_disk_sb(struct bitmap *bitmap) bitmap_super_t *sb; unsigned long chunksize, daemon_sleep, write_behind; - bitmap->storage.sb_page = alloc_page(GFP_KERNEL); + bitmap->storage.sb_page = alloc_page(GFP_KERNEL | __GFP_ZERO); if (bitmap->storage.sb_page == NULL) return -ENOMEM; bitmap->storage.sb_page->index = 0; @@ -541,6 +541,7 @@ static int bitmap_new_disk_sb(struct bitmap *bitmap) sb->state = cpu_to_le32(bitmap->flags); bitmap->events_cleared = bitmap->mddev->events; sb->events_cleared = cpu_to_le64(bitmap->mddev->events); + bitmap->mddev->bitmap_info.nodes = 0; kunmap_atomic(sb); @@ -558,6 +559,7 @@ static int bitmap_read_sb(struct bitmap *bitmap) unsigned long sectors_reserved = 0; int err = -EINVAL; struct page *sb_page; + loff_t offset = bitmap->mddev->bitmap_info.offset; if (!bitmap->storage.file && !bitmap->mddev->bitmap_info.offset) { chunksize = 128 * 1024 * 1024; @@ -584,9 +586,9 @@ re_read: bm_blocks = ((bm_blocks+7) >> 3) + sizeof(bitmap_super_t); /* to 4k blocks */ bm_blocks = DIV_ROUND_UP_SECTOR_T(bm_blocks, 4096); - bitmap->mddev->bitmap_info.offset += bitmap->cluster_slot * (bm_blocks << 3); + offset = bitmap->mddev->bitmap_info.offset + (bitmap->cluster_slot * (bm_blocks << 3)); pr_info("%s:%d bm slot: %d offset: %llu\n", __func__, __LINE__, - bitmap->cluster_slot, (unsigned long long)bitmap->mddev->bitmap_info.offset); + bitmap->cluster_slot, offset); } if (bitmap->storage.file) { @@ -597,7 +599,7 @@ re_read: bitmap, bytes, sb_page); } else { err = read_sb_page(bitmap->mddev, - bitmap->mddev->bitmap_info.offset, + offset, sb_page, 0, sizeof(bitmap_super_t)); } @@ -611,8 +613,16 @@ re_read: daemon_sleep = le32_to_cpu(sb->daemon_sleep) * HZ; write_behind = le32_to_cpu(sb->write_behind); sectors_reserved = le32_to_cpu(sb->sectors_reserved); - nodes = le32_to_cpu(sb->nodes); - strlcpy(bitmap->mddev->bitmap_info.cluster_name, sb->cluster_name, 64); + /* XXX: This is a hack to ensure that we don't use clustering + * in case: + * - dm-raid is in use and + * - the nodes written in bitmap_sb is erroneous. + */ + if (!bitmap->mddev->sync_super) { + nodes = le32_to_cpu(sb->nodes); + strlcpy(bitmap->mddev->bitmap_info.cluster_name, + sb->cluster_name, 64); + } /* verify that the bitmap-specific fields are valid */ if (sb->magic != cpu_to_le32(BITMAP_MAGIC)) @@ -671,7 +681,7 @@ out: kunmap_atomic(sb); /* Assiging chunksize is required for "re_read" */ bitmap->mddev->bitmap_info.chunksize = chunksize; - if (nodes && (bitmap->cluster_slot < 0)) { + if (err == 0 && nodes && (bitmap->cluster_slot < 0)) { err = md_setup_cluster(bitmap->mddev, nodes); if (err) { pr_err("%s: Could not setup cluster service (%d)\n", @@ -1866,10 +1876,6 @@ int bitmap_copy_from_slot(struct mddev *mddev, int slot, if (IS_ERR(bitmap)) return PTR_ERR(bitmap); - rv = bitmap_read_sb(bitmap); - if (rv) - goto err; - rv = bitmap_init_from_disk(bitmap, 0); if (rv) goto err; diff --git a/drivers/md/dm-cache-policy-mq.c b/drivers/md/dm-cache-policy-mq.c index 32814371b8d3..aa1b41ca40f7 100644 --- a/drivers/md/dm-cache-policy-mq.c +++ b/drivers/md/dm-cache-policy-mq.c @@ -1471,5 +1471,3 @@ module_exit(mq_exit); MODULE_AUTHOR("Joe Thornber <dm-devel@redhat.com>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("mq cache policy"); - -MODULE_ALIAS("dm-cache-default"); diff --git a/drivers/md/dm-cache-policy-smq.c b/drivers/md/dm-cache-policy-smq.c index b6f22651dd35..200366c62231 100644 --- a/drivers/md/dm-cache-policy-smq.c +++ b/drivers/md/dm-cache-policy-smq.c @@ -1686,7 +1686,7 @@ static struct dm_cache_policy *smq_create(dm_cblock_t cache_size, if (from_cblock(cache_size)) { mq->cache_hit_bits = alloc_bitset(from_cblock(cache_size)); - if (!mq->cache_hit_bits && mq->cache_hit_bits) { + if (!mq->cache_hit_bits) { DMERR("couldn't allocate cache hit bitset"); goto bad_cache_hit_bits; } @@ -1789,3 +1789,5 @@ module_exit(smq_exit); MODULE_AUTHOR("Joe Thornber <dm-devel@redhat.com>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("smq cache policy"); + +MODULE_ALIAS("dm-cache-default"); diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 1b4e1756b169..1fe93cfea7d3 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -1947,6 +1947,7 @@ static int commit_if_needed(struct cache *cache) static void process_deferred_bios(struct cache *cache) { + bool prealloc_used = false; unsigned long flags; struct bio_list bios; struct bio *bio; @@ -1966,6 +1967,7 @@ static void process_deferred_bios(struct cache *cache) * this bio might require one, we pause until there are some * prepared mappings to process. */ + prealloc_used = true; if (prealloc_data_structs(cache, &structs)) { spin_lock_irqsave(&cache->lock, flags); bio_list_merge(&cache->deferred_bios, &bios); @@ -1983,11 +1985,13 @@ static void process_deferred_bios(struct cache *cache) process_bio(cache, &structs, bio); } - prealloc_free_structs(cache, &structs); + if (prealloc_used) + prealloc_free_structs(cache, &structs); } static void process_deferred_cells(struct cache *cache) { + bool prealloc_used = false; unsigned long flags; struct dm_bio_prison_cell *cell, *tmp; struct list_head cells; @@ -2007,6 +2011,7 @@ static void process_deferred_cells(struct cache *cache) * this bio might require one, we pause until there are some * prepared mappings to process. */ + prealloc_used = true; if (prealloc_data_structs(cache, &structs)) { spin_lock_irqsave(&cache->lock, flags); list_splice(&cells, &cache->deferred_cells); @@ -2017,7 +2022,8 @@ static void process_deferred_cells(struct cache *cache) process_cell(cache, &structs, cell); } - prealloc_free_structs(cache, &structs); + if (prealloc_used) + prealloc_free_structs(cache, &structs); } static void process_deferred_flush_bios(struct cache *cache, bool submit_bios) @@ -2062,7 +2068,7 @@ static void process_deferred_writethrough_bios(struct cache *cache) static void writeback_some_dirty_blocks(struct cache *cache) { - int r = 0; + bool prealloc_used = false; dm_oblock_t oblock; dm_cblock_t cblock; struct prealloc structs; @@ -2072,15 +2078,12 @@ static void writeback_some_dirty_blocks(struct cache *cache) memset(&structs, 0, sizeof(structs)); while (spare_migration_bandwidth(cache)) { - if (prealloc_data_structs(cache, &structs)) - break; - - r = policy_writeback_work(cache->policy, &oblock, &cblock, busy); - if (r) - break; + if (policy_writeback_work(cache->policy, &oblock, &cblock, busy)) + break; /* no work to do */ - r = get_cell(cache, oblock, &structs, &old_ocell); - if (r) { + prealloc_used = true; + if (prealloc_data_structs(cache, &structs) || + get_cell(cache, oblock, &structs, &old_ocell)) { policy_set_dirty(cache->policy, oblock); break; } @@ -2088,7 +2091,8 @@ static void writeback_some_dirty_blocks(struct cache *cache) writeback(cache, &structs, oblock, cblock, old_ocell); } - prealloc_free_structs(cache, &structs); + if (prealloc_used) + prealloc_free_structs(cache, &structs); } /*---------------------------------------------------------------- @@ -3496,7 +3500,7 @@ static void cache_resume(struct dm_target *ti) * <#demotions> <#promotions> <#dirty> * <#features> <features>* * <#core args> <core args> - * <policy name> <#policy args> <policy args>* <cache metadata mode> + * <policy name> <#policy args> <policy args>* <cache metadata mode> <needs_check> */ static void cache_status(struct dm_target *ti, status_type_t type, unsigned status_flags, char *result, unsigned maxlen) @@ -3582,6 +3586,11 @@ static void cache_status(struct dm_target *ti, status_type_t type, else DMEMIT("rw "); + if (dm_cache_metadata_needs_check(cache->cmd)) + DMEMIT("needs_check "); + else + DMEMIT("- "); + break; case STATUSTYPE_TABLE: @@ -3820,7 +3829,7 @@ static void cache_io_hints(struct dm_target *ti, struct queue_limits *limits) static struct target_type cache_target = { .name = "cache", - .version = {1, 7, 0}, + .version = {1, 8, 0}, .module = THIS_MODULE, .ctr = cache_ctr, .dtr = cache_dtr, diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 48dfe3c4d6aa..6ba47cfb1443 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -1293,8 +1293,8 @@ static int __release_metadata_snap(struct dm_pool_metadata *pmd) return r; disk_super = dm_block_data(copy); - dm_sm_dec_block(pmd->metadata_sm, le64_to_cpu(disk_super->data_mapping_root)); - dm_sm_dec_block(pmd->metadata_sm, le64_to_cpu(disk_super->device_details_root)); + dm_btree_del(&pmd->info, le64_to_cpu(disk_super->data_mapping_root)); + dm_btree_del(&pmd->details_info, le64_to_cpu(disk_super->device_details_root)); dm_sm_dec_block(pmd->metadata_sm, held_root); return dm_tm_unlock(pmd->tm, copy); diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index c33f61a4cc28..d2bbe8cc1e97 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -18,6 +18,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/vmalloc.h> #include <linux/sort.h> #include <linux/rbtree.h> @@ -268,7 +269,7 @@ struct pool { process_mapping_fn process_prepared_mapping; process_mapping_fn process_prepared_discard; - struct dm_bio_prison_cell *cell_sort_array[CELL_SORT_ARRAY_SIZE]; + struct dm_bio_prison_cell **cell_sort_array; }; static enum pool_mode get_pool_mode(struct pool *pool); @@ -665,16 +666,21 @@ static void requeue_io(struct thin_c *tc) requeue_deferred_cells(tc); } -static void error_retry_list(struct pool *pool) +static void error_retry_list_with_code(struct pool *pool, int error) { struct thin_c *tc; rcu_read_lock(); list_for_each_entry_rcu(tc, &pool->active_thins, list) - error_thin_bio_list(tc, &tc->retry_on_resume_list, -EIO); + error_thin_bio_list(tc, &tc->retry_on_resume_list, error); rcu_read_unlock(); } +static void error_retry_list(struct pool *pool) +{ + return error_retry_list_with_code(pool, -EIO); +} + /* * This section of code contains the logic for processing a thin device's IO. * Much of the code depends on pool object resources (lists, workqueues, etc) @@ -2281,18 +2287,23 @@ static void do_waker(struct work_struct *ws) queue_delayed_work(pool->wq, &pool->waker, COMMIT_PERIOD); } +static void notify_of_pool_mode_change_to_oods(struct pool *pool); + /* * We're holding onto IO to allow userland time to react. After the * timeout either the pool will have been resized (and thus back in - * PM_WRITE mode), or we degrade to PM_READ_ONLY and start erroring IO. + * PM_WRITE mode), or we degrade to PM_OUT_OF_DATA_SPACE w/ error_if_no_space. */ static void do_no_space_timeout(struct work_struct *ws) { struct pool *pool = container_of(to_delayed_work(ws), struct pool, no_space_timeout); - if (get_pool_mode(pool) == PM_OUT_OF_DATA_SPACE && !pool->pf.error_if_no_space) - set_pool_mode(pool, PM_READ_ONLY); + if (get_pool_mode(pool) == PM_OUT_OF_DATA_SPACE && !pool->pf.error_if_no_space) { + pool->pf.error_if_no_space = true; + notify_of_pool_mode_change_to_oods(pool); + error_retry_list_with_code(pool, -ENOSPC); + } } /*----------------------------------------------------------------*/ @@ -2370,6 +2381,14 @@ static void notify_of_pool_mode_change(struct pool *pool, const char *new_mode) dm_device_name(pool->pool_md), new_mode); } +static void notify_of_pool_mode_change_to_oods(struct pool *pool) +{ + if (!pool->pf.error_if_no_space) + notify_of_pool_mode_change(pool, "out-of-data-space (queue IO)"); + else + notify_of_pool_mode_change(pool, "out-of-data-space (error IO)"); +} + static bool passdown_enabled(struct pool_c *pt) { return pt->adjusted_pf.discard_passdown; @@ -2454,7 +2473,7 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode) * frequently seeing this mode. */ if (old_mode != new_mode) - notify_of_pool_mode_change(pool, "out-of-data-space"); + notify_of_pool_mode_change_to_oods(pool); pool->process_bio = process_bio_read_only; pool->process_discard = process_discard_bio; pool->process_cell = process_cell_read_only; @@ -2777,6 +2796,7 @@ static void __pool_destroy(struct pool *pool) { __pool_table_remove(pool); + vfree(pool->cell_sort_array); if (dm_pool_metadata_close(pool->pmd) < 0) DMWARN("%s: dm_pool_metadata_close() failed.", __func__); @@ -2889,6 +2909,13 @@ static struct pool *pool_create(struct mapped_device *pool_md, goto bad_mapping_pool; } + pool->cell_sort_array = vmalloc(sizeof(*pool->cell_sort_array) * CELL_SORT_ARRAY_SIZE); + if (!pool->cell_sort_array) { + *error = "Error allocating cell sort array"; + err_p = ERR_PTR(-ENOMEM); + goto bad_sort_array; + } + pool->ref_count = 1; pool->last_commit_jiffies = jiffies; pool->pool_md = pool_md; @@ -2897,6 +2924,8 @@ static struct pool *pool_create(struct mapped_device *pool_md, return pool; +bad_sort_array: + mempool_destroy(pool->mapping_pool); bad_mapping_pool: dm_deferred_set_destroy(pool->all_io_ds); bad_all_io_ds: @@ -3714,6 +3743,7 @@ static void emit_flags(struct pool_features *pf, char *result, * Status line is: * <transaction id> <used metadata sectors>/<total metadata sectors> * <used data sectors>/<total data sectors> <held metadata root> + * <pool mode> <discard config> <no space config> <needs_check> */ static void pool_status(struct dm_target *ti, status_type_t type, unsigned status_flags, char *result, unsigned maxlen) @@ -3815,6 +3845,11 @@ static void pool_status(struct dm_target *ti, status_type_t type, else DMEMIT("queue_if_no_space "); + if (dm_pool_metadata_needs_check(pool->pmd)) + DMEMIT("needs_check "); + else + DMEMIT("- "); + break; case STATUSTYPE_TABLE: @@ -3918,7 +3953,7 @@ static struct target_type pool_target = { .name = "thin-pool", .features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE | DM_TARGET_IMMUTABLE, - .version = {1, 15, 0}, + .version = {1, 16, 0}, .module = THIS_MODULE, .ctr = pool_ctr, .dtr = pool_dtr, @@ -4305,7 +4340,7 @@ static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits) static struct target_type thin_target = { .name = "thin", - .version = {1, 15, 0}, + .version = {1, 16, 0}, .module = THIS_MODULE, .ctr = thin_ctr, .dtr = thin_dtr, diff --git a/drivers/md/dm.c b/drivers/md/dm.c index f331d888e7f5..0d7ab20c58df 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1067,13 +1067,10 @@ static void rq_end_stats(struct mapped_device *md, struct request *orig) */ static void rq_completed(struct mapped_device *md, int rw, bool run_queue) { - int nr_requests_pending; - atomic_dec(&md->pending[rw]); /* nudge anyone waiting on suspend queue */ - nr_requests_pending = md_in_flight(md); - if (!nr_requests_pending) + if (!md_in_flight(md)) wake_up(&md->wait); /* @@ -1085,8 +1082,7 @@ static void rq_completed(struct mapped_device *md, int rw, bool run_queue) if (run_queue) { if (md->queue->mq_ops) blk_mq_run_hw_queues(md->queue, true); - else if (!nr_requests_pending || - (nr_requests_pending >= md->queue->nr_congestion_on)) + else blk_run_queue_async(md->queue); } @@ -1733,7 +1729,8 @@ static int dm_merge_bvec(struct request_queue *q, struct mapped_device *md = q->queuedata; struct dm_table *map = dm_get_live_table_fast(md); struct dm_target *ti; - sector_t max_sectors, max_size = 0; + sector_t max_sectors; + int max_size = 0; if (unlikely(!map)) goto out; @@ -1746,18 +1743,10 @@ static int dm_merge_bvec(struct request_queue *q, * Find maximum amount of I/O that won't need splitting */ max_sectors = min(max_io_len(bvm->bi_sector, ti), - (sector_t) queue_max_sectors(q)); + (sector_t) BIO_MAX_SECTORS); max_size = (max_sectors << SECTOR_SHIFT) - bvm->bi_size; - - /* - * FIXME: this stop-gap fix _must_ be cleaned up (by passing a sector_t - * to the targets' merge function since it holds sectors not bytes). - * Just doing this as an interim fix for stable@ because the more - * comprehensive cleanup of switching to sector_t will impact every - * DM target that implements a ->merge hook. - */ - if (max_size > INT_MAX) - max_size = INT_MAX; + if (max_size < 0) + max_size = 0; /* * merge_bvec_fn() returns number of bytes @@ -1765,13 +1754,13 @@ static int dm_merge_bvec(struct request_queue *q, * max is precomputed maximal io size */ if (max_size && ti->type->merge) - max_size = ti->type->merge(ti, bvm, biovec, (int) max_size); + max_size = ti->type->merge(ti, bvm, biovec, max_size); /* * If the target doesn't support merge method and some of the devices - * provided their merge_bvec method (we know this by looking for the - * max_hw_sectors that dm_set_device_limits may set), then we can't - * allow bios with multiple vector entries. So always set max_size - * to 0, and the code below allows just one page. + * provided their merge_bvec method (we know this by looking at + * queue_max_hw_sectors), then we can't allow bios with multiple vector + * entries. So always set max_size to 0, and the code below allows + * just one page. */ else if (queue_max_hw_sectors(q) <= PAGE_SIZE >> 9) max_size = 0; @@ -2281,8 +2270,6 @@ static void dm_init_old_md_queue(struct mapped_device *md) static void cleanup_mapped_device(struct mapped_device *md) { - cleanup_srcu_struct(&md->io_barrier); - if (md->wq) destroy_workqueue(md->wq); if (md->kworker_task) @@ -2294,6 +2281,8 @@ static void cleanup_mapped_device(struct mapped_device *md) if (md->bs) bioset_free(md->bs); + cleanup_srcu_struct(&md->io_barrier); + if (md->disk) { spin_lock(&_minor_lock); md->disk->private_data = NULL; diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index fcfc4b9b2672..0072190515e0 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -44,6 +44,7 @@ struct resync_info { /* md_cluster_info flags */ #define MD_CLUSTER_WAITING_FOR_NEWDISK 1 +#define MD_CLUSTER_SUSPEND_READ_BALANCING 2 struct md_cluster_info { @@ -275,6 +276,9 @@ clear_bit: static void recover_prep(void *arg) { + struct mddev *mddev = arg; + struct md_cluster_info *cinfo = mddev->cluster_info; + set_bit(MD_CLUSTER_SUSPEND_READ_BALANCING, &cinfo->state); } static void recover_slot(void *arg, struct dlm_slot *slot) @@ -307,6 +311,7 @@ static void recover_done(void *arg, struct dlm_slot *slots, cinfo->slot_number = our_slot; complete(&cinfo->completion); + clear_bit(MD_CLUSTER_SUSPEND_READ_BALANCING, &cinfo->state); } static const struct dlm_lockspace_ops md_ls_ops = { @@ -816,12 +821,17 @@ static void resync_finish(struct mddev *mddev) resync_send(mddev, RESYNCING, 0, 0); } -static int area_resyncing(struct mddev *mddev, sector_t lo, sector_t hi) +static int area_resyncing(struct mddev *mddev, int direction, + sector_t lo, sector_t hi) { struct md_cluster_info *cinfo = mddev->cluster_info; int ret = 0; struct suspend_info *s; + if ((direction == READ) && + test_bit(MD_CLUSTER_SUSPEND_READ_BALANCING, &cinfo->state)) + return 1; + spin_lock_irq(&cinfo->suspend_lock); if (list_empty(&cinfo->suspend_list)) goto out; diff --git a/drivers/md/md-cluster.h b/drivers/md/md-cluster.h index 6817ee00e053..00defe2badbc 100644 --- a/drivers/md/md-cluster.h +++ b/drivers/md/md-cluster.h @@ -18,7 +18,7 @@ struct md_cluster_operations { int (*metadata_update_start)(struct mddev *mddev); int (*metadata_update_finish)(struct mddev *mddev); int (*metadata_update_cancel)(struct mddev *mddev); - int (*area_resyncing)(struct mddev *mddev, sector_t lo, sector_t hi); + int (*area_resyncing)(struct mddev *mddev, int direction, sector_t lo, sector_t hi); int (*add_new_disk_start)(struct mddev *mddev, struct md_rdev *rdev); int (*add_new_disk_finish)(struct mddev *mddev); int (*new_disk_ack)(struct mddev *mddev, bool ack); diff --git a/drivers/md/md.c b/drivers/md/md.c index d429c30cd514..e25f00f0138a 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5382,6 +5382,8 @@ static void __md_stop(struct mddev *mddev) { struct md_personality *pers = mddev->pers; mddev_detach(mddev); + /* Ensure ->event_work is done */ + flush_workqueue(md_misc_wq); spin_lock(&mddev->lock); mddev->ready = 0; mddev->pers = NULL; @@ -5757,7 +5759,7 @@ static int get_bitmap_file(struct mddev *mddev, void __user * arg) char *ptr; int err; - file = kmalloc(sizeof(*file), GFP_NOIO); + file = kzalloc(sizeof(*file), GFP_NOIO); if (!file) return -ENOMEM; @@ -7437,7 +7439,7 @@ int md_setup_cluster(struct mddev *mddev, int nodes) err = request_module("md-cluster"); if (err) { pr_err("md-cluster module not found.\n"); - return err; + return -ENOENT; } spin_lock(&pers_lock); diff --git a/drivers/md/persistent-data/dm-btree-internal.h b/drivers/md/persistent-data/dm-btree-internal.h index bf2b80d5c470..8731b6ea026b 100644 --- a/drivers/md/persistent-data/dm-btree-internal.h +++ b/drivers/md/persistent-data/dm-btree-internal.h @@ -138,4 +138,10 @@ int lower_bound(struct btree_node *n, uint64_t key); extern struct dm_block_validator btree_node_validator; +/* + * Value type for upper levels of multi-level btrees. + */ +extern void init_le64_type(struct dm_transaction_manager *tm, + struct dm_btree_value_type *vt); + #endif /* DM_BTREE_INTERNAL_H */ diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c index e04cfd2d60ef..4222f774cf36 100644 --- a/drivers/md/persistent-data/dm-btree-remove.c +++ b/drivers/md/persistent-data/dm-btree-remove.c @@ -309,8 +309,8 @@ static void redistribute3(struct dm_btree_info *info, struct btree_node *parent, if (s < 0 && nr_center < -s) { /* not enough in central node */ - shift(left, center, nr_center); - s = nr_center - target; + shift(left, center, -nr_center); + s += nr_center; shift(left, right, s); nr_right += s; } else @@ -323,7 +323,7 @@ static void redistribute3(struct dm_btree_info *info, struct btree_node *parent, if (s > 0 && nr_center < s) { /* not enough in central node */ shift(center, right, nr_center); - s = target - nr_center; + s -= nr_center; shift(left, right, s); nr_left -= s; } else @@ -544,14 +544,6 @@ static int remove_raw(struct shadow_spine *s, struct dm_btree_info *info, return r; } -static struct dm_btree_value_type le64_type = { - .context = NULL, - .size = sizeof(__le64), - .inc = NULL, - .dec = NULL, - .equal = NULL -}; - int dm_btree_remove(struct dm_btree_info *info, dm_block_t root, uint64_t *keys, dm_block_t *new_root) { @@ -559,12 +551,14 @@ int dm_btree_remove(struct dm_btree_info *info, dm_block_t root, int index = 0, r = 0; struct shadow_spine spine; struct btree_node *n; + struct dm_btree_value_type le64_vt; + init_le64_type(info->tm, &le64_vt); init_shadow_spine(&spine, info); for (level = 0; level < info->levels; level++) { r = remove_raw(&spine, info, (level == last_level ? - &info->value_type : &le64_type), + &info->value_type : &le64_vt), root, keys[level], (unsigned *)&index); if (r < 0) break; @@ -654,11 +648,13 @@ static int remove_one(struct dm_btree_info *info, dm_block_t root, int index = 0, r = 0; struct shadow_spine spine; struct btree_node *n; + struct dm_btree_value_type le64_vt; uint64_t k; + init_le64_type(info->tm, &le64_vt); init_shadow_spine(&spine, info); for (level = 0; level < last_level; level++) { - r = remove_raw(&spine, info, &le64_type, + r = remove_raw(&spine, info, &le64_vt, root, keys[level], (unsigned *) &index); if (r < 0) goto out; @@ -689,6 +685,7 @@ static int remove_one(struct dm_btree_info *info, dm_block_t root, value_ptr(n, index)); delete_at(n, index); + keys[last_level] = k + 1ull; } else r = -ENODATA; diff --git a/drivers/md/persistent-data/dm-btree-spine.c b/drivers/md/persistent-data/dm-btree-spine.c index 1b5e13ec7f96..0dee514ba4c5 100644 --- a/drivers/md/persistent-data/dm-btree-spine.c +++ b/drivers/md/persistent-data/dm-btree-spine.c @@ -249,3 +249,40 @@ int shadow_root(struct shadow_spine *s) { return s->root; } + +static void le64_inc(void *context, const void *value_le) +{ + struct dm_transaction_manager *tm = context; + __le64 v_le; + + memcpy(&v_le, value_le, sizeof(v_le)); + dm_tm_inc(tm, le64_to_cpu(v_le)); +} + +static void le64_dec(void *context, const void *value_le) +{ + struct dm_transaction_manager *tm = context; + __le64 v_le; + + memcpy(&v_le, value_le, sizeof(v_le)); + dm_tm_dec(tm, le64_to_cpu(v_le)); +} + +static int le64_equal(void *context, const void *value1_le, const void *value2_le) +{ + __le64 v1_le, v2_le; + + memcpy(&v1_le, value1_le, sizeof(v1_le)); + memcpy(&v2_le, value2_le, sizeof(v2_le)); + return v1_le == v2_le; +} + +void init_le64_type(struct dm_transaction_manager *tm, + struct dm_btree_value_type *vt) +{ + vt->context = tm; + vt->size = sizeof(__le64); + vt->inc = le64_inc; + vt->dec = le64_dec; + vt->equal = le64_equal; +} diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index 200ac12a1d40..c7726cebc495 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -255,7 +255,7 @@ int dm_btree_del(struct dm_btree_info *info, dm_block_t root) int r; struct del_stack *s; - s = kmalloc(sizeof(*s), GFP_KERNEL); + s = kmalloc(sizeof(*s), GFP_NOIO); if (!s) return -ENOMEM; s->info = info; @@ -667,12 +667,7 @@ static int insert(struct dm_btree_info *info, dm_block_t root, struct btree_node *n; struct dm_btree_value_type le64_type; - le64_type.context = NULL; - le64_type.size = sizeof(__le64); - le64_type.inc = NULL; - le64_type.dec = NULL; - le64_type.equal = NULL; - + init_le64_type(info->tm, &le64_type); init_shadow_spine(&spine, info); for (level = 0; level < (info->levels - 1); level++) { diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index f80f1af61ce7..967a4ed73929 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -336,7 +336,7 @@ static void raid1_end_read_request(struct bio *bio, int error) spin_lock_irqsave(&conf->device_lock, flags); if (r1_bio->mddev->degraded == conf->raid_disks || (r1_bio->mddev->degraded == conf->raid_disks-1 && - !test_bit(Faulty, &conf->mirrors[mirror].rdev->flags))) + test_bit(In_sync, &conf->mirrors[mirror].rdev->flags))) uptodate = 1; spin_unlock_irqrestore(&conf->device_lock, flags); } @@ -541,7 +541,7 @@ static int read_balance(struct r1conf *conf, struct r1bio *r1_bio, int *max_sect if ((conf->mddev->recovery_cp < this_sector + sectors) || (mddev_is_clustered(conf->mddev) && - md_cluster_ops->area_resyncing(conf->mddev, this_sector, + md_cluster_ops->area_resyncing(conf->mddev, READ, this_sector, this_sector + sectors))) choose_first = 1; else @@ -1111,7 +1111,8 @@ static void make_request(struct mddev *mddev, struct bio * bio) ((bio_end_sector(bio) > mddev->suspend_lo && bio->bi_iter.bi_sector < mddev->suspend_hi) || (mddev_is_clustered(mddev) && - md_cluster_ops->area_resyncing(mddev, bio->bi_iter.bi_sector, bio_end_sector(bio))))) { + md_cluster_ops->area_resyncing(mddev, WRITE, + bio->bi_iter.bi_sector, bio_end_sector(bio))))) { /* As the suspend_* range is controlled by * userspace, we want an interruptible * wait. @@ -1124,7 +1125,7 @@ static void make_request(struct mddev *mddev, struct bio * bio) if (bio_end_sector(bio) <= mddev->suspend_lo || bio->bi_iter.bi_sector >= mddev->suspend_hi || (mddev_is_clustered(mddev) && - !md_cluster_ops->area_resyncing(mddev, + !md_cluster_ops->area_resyncing(mddev, WRITE, bio->bi_iter.bi_sector, bio_end_sector(bio)))) break; schedule(); @@ -1475,6 +1476,7 @@ static void error(struct mddev *mddev, struct md_rdev *rdev) { char b[BDEVNAME_SIZE]; struct r1conf *conf = mddev->private; + unsigned long flags; /* * If it is not operational, then we have already marked it as dead @@ -1494,14 +1496,13 @@ static void error(struct mddev *mddev, struct md_rdev *rdev) return; } set_bit(Blocked, &rdev->flags); + spin_lock_irqsave(&conf->device_lock, flags); if (test_and_clear_bit(In_sync, &rdev->flags)) { - unsigned long flags; - spin_lock_irqsave(&conf->device_lock, flags); mddev->degraded++; set_bit(Faulty, &rdev->flags); - spin_unlock_irqrestore(&conf->device_lock, flags); } else set_bit(Faulty, &rdev->flags); + spin_unlock_irqrestore(&conf->device_lock, flags); /* * if recovery is running, make sure it aborts. */ @@ -1567,7 +1568,10 @@ static int raid1_spare_active(struct mddev *mddev) * Find all failed disks within the RAID1 configuration * and mark them readable. * Called under mddev lock, so rcu protection not needed. + * device_lock used to avoid races with raid1_end_read_request + * which expects 'In_sync' flags and ->degraded to be consistent. */ + spin_lock_irqsave(&conf->device_lock, flags); for (i = 0; i < conf->raid_disks; i++) { struct md_rdev *rdev = conf->mirrors[i].rdev; struct md_rdev *repl = conf->mirrors[conf->raid_disks + i].rdev; @@ -1598,7 +1602,6 @@ static int raid1_spare_active(struct mddev *mddev) sysfs_notify_dirent_safe(rdev->sysfs_state); } } - spin_lock_irqsave(&conf->device_lock, flags); mddev->degraded -= count; spin_unlock_irqrestore(&conf->device_lock, flags); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 940f2f365461..38c58e19cfce 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3556,6 +3556,7 @@ static struct r10conf *setup_conf(struct mddev *mddev) /* far_copies must be 1 */ conf->prev.stride = conf->dev_sectors; } + conf->reshape_safe = conf->reshape_progress; spin_lock_init(&conf->device_lock); INIT_LIST_HEAD(&conf->retry_list); @@ -3760,7 +3761,6 @@ static int run(struct mddev *mddev) } conf->offset_diff = min_offset_diff; - conf->reshape_safe = conf->reshape_progress; clear_bit(MD_RECOVERY_SYNC, &mddev->recovery); clear_bit(MD_RECOVERY_CHECK, &mddev->recovery); set_bit(MD_RECOVERY_RESHAPE, &mddev->recovery); @@ -4103,6 +4103,7 @@ static int raid10_start_reshape(struct mddev *mddev) conf->reshape_progress = size; } else conf->reshape_progress = 0; + conf->reshape_safe = conf->reshape_progress; spin_unlock_irq(&conf->device_lock); if (mddev->delta_disks && mddev->bitmap) { @@ -4170,6 +4171,7 @@ abort: rdev->new_data_offset = rdev->data_offset; smp_wmb(); conf->reshape_progress = MaxSector; + conf->reshape_safe = MaxSector; mddev->reshape_position = MaxSector; spin_unlock_irq(&conf->device_lock); return ret; @@ -4524,6 +4526,7 @@ static void end_reshape(struct r10conf *conf) md_finish_reshape(conf->mddev); smp_wmb(); conf->reshape_progress = MaxSector; + conf->reshape_safe = MaxSector; spin_unlock_irq(&conf->device_lock); /* read-ahead size must cover two whole stripes, which is diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 59e44e99eef3..f757023fc458 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2162,6 +2162,9 @@ static int resize_stripes(struct r5conf *conf, int newsize) if (!sc) return -ENOMEM; + /* Need to ensure auto-resizing doesn't interfere */ + mutex_lock(&conf->cache_size_mutex); + for (i = conf->max_nr_stripes; i; i--) { nsh = alloc_stripe(sc, GFP_KERNEL); if (!nsh) @@ -2178,6 +2181,7 @@ static int resize_stripes(struct r5conf *conf, int newsize) kmem_cache_free(sc, nsh); } kmem_cache_destroy(sc); + mutex_unlock(&conf->cache_size_mutex); return -ENOMEM; } /* Step 2 - Must use GFP_NOIO now. @@ -2224,6 +2228,7 @@ static int resize_stripes(struct r5conf *conf, int newsize) } else err = -ENOMEM; + mutex_unlock(&conf->cache_size_mutex); /* Step 4, return new stripes to service */ while(!list_empty(&newstripes)) { nsh = list_entry(newstripes.next, struct stripe_head, lru); @@ -2251,7 +2256,7 @@ static int resize_stripes(struct r5conf *conf, int newsize) static int drop_one_stripe(struct r5conf *conf) { struct stripe_head *sh; - int hash = (conf->max_nr_stripes - 1) % NR_STRIPE_HASH_LOCKS; + int hash = (conf->max_nr_stripes - 1) & STRIPE_HASH_LOCKS_MASK; spin_lock_irq(conf->hash_locks + hash); sh = get_free_stripe(conf, hash); @@ -4061,8 +4066,10 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s) &first_bad, &bad_sectors)) set_bit(R5_ReadRepl, &dev->flags); else { - if (rdev) + if (rdev && !test_bit(Faulty, &rdev->flags)) set_bit(R5_NeedReplace, &dev->flags); + else + clear_bit(R5_NeedReplace, &dev->flags); rdev = rcu_dereference(conf->disks[i].rdev); clear_bit(R5_ReadRepl, &dev->flags); } @@ -5857,12 +5864,14 @@ static void raid5d(struct md_thread *thread) pr_debug("%d stripes handled\n", handled); spin_unlock_irq(&conf->device_lock); - if (test_and_clear_bit(R5_ALLOC_MORE, &conf->cache_state)) { + if (test_and_clear_bit(R5_ALLOC_MORE, &conf->cache_state) && + mutex_trylock(&conf->cache_size_mutex)) { grow_one_stripe(conf, __GFP_NOWARN); /* Set flag even if allocation failed. This helps * slow down allocation requests when mem is short */ set_bit(R5_DID_ALLOC, &conf->cache_state); + mutex_unlock(&conf->cache_size_mutex); } async_tx_issue_pending_all(); @@ -5894,18 +5903,22 @@ raid5_set_cache_size(struct mddev *mddev, int size) return -EINVAL; conf->min_nr_stripes = size; + mutex_lock(&conf->cache_size_mutex); while (size < conf->max_nr_stripes && drop_one_stripe(conf)) ; + mutex_unlock(&conf->cache_size_mutex); err = md_allow_write(mddev); if (err) return err; + mutex_lock(&conf->cache_size_mutex); while (size > conf->max_nr_stripes) if (!grow_one_stripe(conf, GFP_KERNEL)) break; + mutex_unlock(&conf->cache_size_mutex); return 0; } @@ -6371,11 +6384,19 @@ static unsigned long raid5_cache_scan(struct shrinker *shrink, struct shrink_control *sc) { struct r5conf *conf = container_of(shrink, struct r5conf, shrinker); - int ret = 0; - while (ret < sc->nr_to_scan) { - if (drop_one_stripe(conf) == 0) - return SHRINK_STOP; - ret++; + unsigned long ret = SHRINK_STOP; + + if (mutex_trylock(&conf->cache_size_mutex)) { + ret= 0; + while (ret < sc->nr_to_scan && + conf->max_nr_stripes > conf->min_nr_stripes) { + if (drop_one_stripe(conf) == 0) { + ret = SHRINK_STOP; + break; + } + ret++; + } + mutex_unlock(&conf->cache_size_mutex); } return ret; } @@ -6444,6 +6465,7 @@ static struct r5conf *setup_conf(struct mddev *mddev) goto abort; spin_lock_init(&conf->device_lock); seqcount_init(&conf->gen_lock); + mutex_init(&conf->cache_size_mutex); init_waitqueue_head(&conf->wait_for_quiescent); for (i = 0; i < NR_STRIPE_HASH_LOCKS; i++) { init_waitqueue_head(&conf->wait_for_stripe[i]); diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 02c3bf8fbfe7..d05144278690 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -482,7 +482,8 @@ struct r5conf { */ int active_name; char cache_name[2][32]; - struct kmem_cache *slab_cache; /* for allocating stripes */ + struct kmem_cache *slab_cache; /* for allocating stripes */ + struct mutex cache_size_mutex; /* Protect changes to cache size */ int seq_flush, seq_write; int quiesce; diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig index 0d35f5850ff1..5ab90f36a6a6 100644 --- a/drivers/media/dvb-frontends/Kconfig +++ b/drivers/media/dvb-frontends/Kconfig @@ -240,7 +240,7 @@ config DVB_SI21XX config DVB_TS2020 tristate "Montage Tehnology TS2020 based tuners" - depends on DVB_CORE + depends on DVB_CORE && I2C select REGMAP_I2C default m if !MEDIA_SUBDRV_AUTOSELECT help diff --git a/drivers/media/pci/cobalt/Kconfig b/drivers/media/pci/cobalt/Kconfig index 3be1b2c3c386..6a1c0089bb62 100644 --- a/drivers/media/pci/cobalt/Kconfig +++ b/drivers/media/pci/cobalt/Kconfig @@ -2,6 +2,7 @@ config VIDEO_COBALT tristate "Cisco Cobalt support" depends on VIDEO_V4L2 && I2C && MEDIA_CONTROLLER depends on PCI_MSI && MTD_COMPLEX_MAPPINGS && GPIOLIB + depends on SND select I2C_ALGOBIT select VIDEO_ADV7604 select VIDEO_ADV7511 diff --git a/drivers/media/pci/cobalt/cobalt-irq.c b/drivers/media/pci/cobalt/cobalt-irq.c index dd4bff9cf339..d1f5898d11ba 100644 --- a/drivers/media/pci/cobalt/cobalt-irq.c +++ b/drivers/media/pci/cobalt/cobalt-irq.c @@ -139,7 +139,7 @@ done: also know about dropped frames. */ cb->vb.v4l2_buf.sequence = s->sequence++; vb2_buffer_done(&cb->vb, (skip || s->unstable_frame) ? - VB2_BUF_STATE_QUEUED : VB2_BUF_STATE_DONE); + VB2_BUF_STATE_REQUEUEING : VB2_BUF_STATE_DONE); } irqreturn_t cobalt_irq_handler(int irq, void *dev_id) diff --git a/drivers/media/pci/ivtv/ivtvfb.c b/drivers/media/pci/ivtv/ivtvfb.c index 4cb365d4ffdc..8b95eefb610b 100644 --- a/drivers/media/pci/ivtv/ivtvfb.c +++ b/drivers/media/pci/ivtv/ivtvfb.c @@ -38,6 +38,8 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/kernel.h> #include <linux/fb.h> @@ -1171,6 +1173,13 @@ static int ivtvfb_init_card(struct ivtv *itv) { int rc; +#ifdef CONFIG_X86_64 + if (pat_enabled()) { + pr_warn("ivtvfb needs PAT disabled, boot with nopat kernel parameter\n"); + return -ENODEV; + } +#endif + if (itv->osd_info) { IVTVFB_ERR("Card %d already initialised\n", ivtvfb_card_id); return -EBUSY; @@ -1265,12 +1274,6 @@ static int __init ivtvfb_init(void) int registered = 0; int err; -#ifdef CONFIG_X86_64 - if (WARN(pat_enabled(), - "ivtvfb needs PAT disabled, boot with nopat kernel parameter\n")) { - return -ENODEV; - } -#endif if (ivtvfb_card_id < -1 || ivtvfb_card_id >= IVTV_MAX_CARDS) { printk(KERN_ERR "ivtvfb: ivtvfb_card_id parameter is out of range (valid range: -1 - %d)\n", diff --git a/drivers/media/pci/mantis/mantis_dma.c b/drivers/media/pci/mantis/mantis_dma.c index 1d59c7e039f7..87990ece5848 100644 --- a/drivers/media/pci/mantis/mantis_dma.c +++ b/drivers/media/pci/mantis/mantis_dma.c @@ -130,10 +130,11 @@ err: int mantis_dma_init(struct mantis_pci *mantis) { - int err = 0; + int err; dprintk(MANTIS_DEBUG, 1, "Mantis DMA init"); - if (mantis_alloc_buffers(mantis) < 0) { + err = mantis_alloc_buffers(mantis); + if (err < 0) { dprintk(MANTIS_ERROR, 1, "Error allocating DMA buffer"); /* Stop RISC Engine */ diff --git a/drivers/media/rc/ir-rc5-decoder.c b/drivers/media/rc/ir-rc5-decoder.c index 8939ebd74391..84fa6e9b59a1 100644 --- a/drivers/media/rc/ir-rc5-decoder.c +++ b/drivers/media/rc/ir-rc5-decoder.c @@ -184,125 +184,9 @@ out: return -EINVAL; } -static struct ir_raw_timings_manchester ir_rc5_timings = { - .leader = RC5_UNIT, - .pulse_space_start = 0, - .clock = RC5_UNIT, - .trailer_space = RC5_UNIT * 10, -}; - -static struct ir_raw_timings_manchester ir_rc5x_timings[2] = { - { - .leader = RC5_UNIT, - .pulse_space_start = 0, - .clock = RC5_UNIT, - .trailer_space = RC5X_SPACE, - }, - { - .clock = RC5_UNIT, - .trailer_space = RC5_UNIT * 10, - }, -}; - -static struct ir_raw_timings_manchester ir_rc5_sz_timings = { - .leader = RC5_UNIT, - .pulse_space_start = 0, - .clock = RC5_UNIT, - .trailer_space = RC5_UNIT * 10, -}; - -static int ir_rc5_validate_filter(const struct rc_scancode_filter *scancode, - unsigned int important_bits) -{ - /* all important bits of scancode should be set in mask */ - if (~scancode->mask & important_bits) - return -EINVAL; - /* extra bits in mask should be zero in data */ - if (scancode->mask & scancode->data & ~important_bits) - return -EINVAL; - return 0; -} - -/** - * ir_rc5_encode() - Encode a scancode as a stream of raw events - * - * @protocols: allowed protocols - * @scancode: scancode filter describing scancode (helps distinguish between - * protocol subtypes when scancode is ambiguous) - * @events: array of raw ir events to write into - * @max: maximum size of @events - * - * Returns: The number of events written. - * -ENOBUFS if there isn't enough space in the array to fit the - * encoding. In this case all @max events will have been written. - * -EINVAL if the scancode is ambiguous or invalid. - */ -static int ir_rc5_encode(u64 protocols, - const struct rc_scancode_filter *scancode, - struct ir_raw_event *events, unsigned int max) -{ - int ret; - struct ir_raw_event *e = events; - unsigned int data, xdata, command, commandx, system; - - /* Detect protocol and convert scancode to raw data */ - if (protocols & RC_BIT_RC5 && - !ir_rc5_validate_filter(scancode, 0x1f7f)) { - /* decode scancode */ - command = (scancode->data & 0x003f) >> 0; - commandx = (scancode->data & 0x0040) >> 6; - system = (scancode->data & 0x1f00) >> 8; - /* encode data */ - data = !commandx << 12 | system << 6 | command; - - /* Modulate the data */ - ret = ir_raw_gen_manchester(&e, max, &ir_rc5_timings, RC5_NBITS, - data); - if (ret < 0) - return ret; - } else if (protocols & RC_BIT_RC5X && - !ir_rc5_validate_filter(scancode, 0x1f7f3f)) { - /* decode scancode */ - xdata = (scancode->data & 0x00003f) >> 0; - command = (scancode->data & 0x003f00) >> 8; - commandx = (scancode->data & 0x004000) >> 14; - system = (scancode->data & 0x1f0000) >> 16; - /* commandx and system overlap, bits must match when encoded */ - if (commandx == (system & 0x1)) - return -EINVAL; - /* encode data */ - data = 1 << 18 | system << 12 | command << 6 | xdata; - - /* Modulate the data */ - ret = ir_raw_gen_manchester(&e, max, &ir_rc5x_timings[0], - CHECK_RC5X_NBITS, - data >> (RC5X_NBITS-CHECK_RC5X_NBITS)); - if (ret < 0) - return ret; - ret = ir_raw_gen_manchester(&e, max - (e - events), - &ir_rc5x_timings[1], - RC5X_NBITS - CHECK_RC5X_NBITS, - data); - if (ret < 0) - return ret; - } else if (protocols & RC_BIT_RC5_SZ && - !ir_rc5_validate_filter(scancode, 0x2fff)) { - /* RC5-SZ scancode is raw enough for Manchester as it is */ - ret = ir_raw_gen_manchester(&e, max, &ir_rc5_sz_timings, - RC5_SZ_NBITS, scancode->data & 0x2fff); - if (ret < 0) - return ret; - } else { - return -EINVAL; - } - - return e - events; -} - static struct ir_raw_handler rc5_handler = { .protocols = RC_BIT_RC5 | RC_BIT_RC5X | RC_BIT_RC5_SZ, .decode = ir_rc5_decode, - .encode = ir_rc5_encode, }; static int __init ir_rc5_decode_init(void) diff --git a/drivers/media/rc/ir-rc6-decoder.c b/drivers/media/rc/ir-rc6-decoder.c index f9c70baf6e0c..d16bc67af732 100644 --- a/drivers/media/rc/ir-rc6-decoder.c +++ b/drivers/media/rc/ir-rc6-decoder.c @@ -291,133 +291,11 @@ out: return -EINVAL; } -static struct ir_raw_timings_manchester ir_rc6_timings[4] = { - { - .leader = RC6_PREFIX_PULSE, - .pulse_space_start = 0, - .clock = RC6_UNIT, - .invert = 1, - .trailer_space = RC6_PREFIX_SPACE, - }, - { - .clock = RC6_UNIT, - .invert = 1, - }, - { - .clock = RC6_UNIT * 2, - .invert = 1, - }, - { - .clock = RC6_UNIT, - .invert = 1, - .trailer_space = RC6_SUFFIX_SPACE, - }, -}; - -static int ir_rc6_validate_filter(const struct rc_scancode_filter *scancode, - unsigned int important_bits) -{ - /* all important bits of scancode should be set in mask */ - if (~scancode->mask & important_bits) - return -EINVAL; - /* extra bits in mask should be zero in data */ - if (scancode->mask & scancode->data & ~important_bits) - return -EINVAL; - return 0; -} - -/** - * ir_rc6_encode() - Encode a scancode as a stream of raw events - * - * @protocols: allowed protocols - * @scancode: scancode filter describing scancode (helps distinguish between - * protocol subtypes when scancode is ambiguous) - * @events: array of raw ir events to write into - * @max: maximum size of @events - * - * Returns: The number of events written. - * -ENOBUFS if there isn't enough space in the array to fit the - * encoding. In this case all @max events will have been written. - * -EINVAL if the scancode is ambiguous or invalid. - */ -static int ir_rc6_encode(u64 protocols, - const struct rc_scancode_filter *scancode, - struct ir_raw_event *events, unsigned int max) -{ - int ret; - struct ir_raw_event *e = events; - - if (protocols & RC_BIT_RC6_0 && - !ir_rc6_validate_filter(scancode, 0xffff)) { - - /* Modulate the preamble */ - ret = ir_raw_gen_manchester(&e, max, &ir_rc6_timings[0], 0, 0); - if (ret < 0) - return ret; - - /* Modulate the header (Start Bit & Mode-0) */ - ret = ir_raw_gen_manchester(&e, max - (e - events), - &ir_rc6_timings[1], - RC6_HEADER_NBITS, (1 << 3)); - if (ret < 0) - return ret; - - /* Modulate Trailer Bit */ - ret = ir_raw_gen_manchester(&e, max - (e - events), - &ir_rc6_timings[2], 1, 0); - if (ret < 0) - return ret; - - /* Modulate rest of the data */ - ret = ir_raw_gen_manchester(&e, max - (e - events), - &ir_rc6_timings[3], RC6_0_NBITS, - scancode->data); - if (ret < 0) - return ret; - - } else if (protocols & (RC_BIT_RC6_6A_20 | RC_BIT_RC6_6A_24 | - RC_BIT_RC6_6A_32 | RC_BIT_RC6_MCE) && - !ir_rc6_validate_filter(scancode, 0x8fffffff)) { - - /* Modulate the preamble */ - ret = ir_raw_gen_manchester(&e, max, &ir_rc6_timings[0], 0, 0); - if (ret < 0) - return ret; - - /* Modulate the header (Start Bit & Header-version 6 */ - ret = ir_raw_gen_manchester(&e, max - (e - events), - &ir_rc6_timings[1], - RC6_HEADER_NBITS, (1 << 3 | 6)); - if (ret < 0) - return ret; - - /* Modulate Trailer Bit */ - ret = ir_raw_gen_manchester(&e, max - (e - events), - &ir_rc6_timings[2], 1, 0); - if (ret < 0) - return ret; - - /* Modulate rest of the data */ - ret = ir_raw_gen_manchester(&e, max - (e - events), - &ir_rc6_timings[3], - fls(scancode->mask), - scancode->data); - if (ret < 0) - return ret; - - } else { - return -EINVAL; - } - - return e - events; -} - static struct ir_raw_handler rc6_handler = { .protocols = RC_BIT_RC6_0 | RC_BIT_RC6_6A_20 | RC_BIT_RC6_6A_24 | RC_BIT_RC6_6A_32 | RC_BIT_RC6_MCE, .decode = ir_rc6_decode, - .encode = ir_rc6_encode, }; static int __init ir_rc6_decode_init(void) diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c index baeb5971fd52..85af7a869167 100644 --- a/drivers/media/rc/nuvoton-cir.c +++ b/drivers/media/rc/nuvoton-cir.c @@ -526,130 +526,6 @@ static int nvt_set_tx_carrier(struct rc_dev *dev, u32 carrier) return 0; } -static int nvt_write_wakeup_codes(struct rc_dev *dev, - const u8 *wakeup_sample_buf, int count) -{ - int i = 0; - u8 reg, reg_learn_mode; - unsigned long flags; - struct nvt_dev *nvt = dev->priv; - - nvt_dbg_wake("writing wakeup samples"); - - reg = nvt_cir_wake_reg_read(nvt, CIR_WAKE_IRCON); - reg_learn_mode = reg & ~CIR_WAKE_IRCON_MODE0; - reg_learn_mode |= CIR_WAKE_IRCON_MODE1; - - /* Lock the learn area to prevent racing with wake-isr */ - spin_lock_irqsave(&nvt->nvt_lock, flags); - - /* Enable fifo writes */ - nvt_cir_wake_reg_write(nvt, reg_learn_mode, CIR_WAKE_IRCON); - - /* Clear cir wake rx fifo */ - nvt_clear_cir_wake_fifo(nvt); - - if (count > WAKE_FIFO_LEN) { - nvt_dbg_wake("HW FIFO too small for all wake samples"); - count = WAKE_FIFO_LEN; - } - - if (count) - pr_info("Wake samples (%d) =", count); - else - pr_info("Wake sample fifo cleared"); - - /* Write wake samples to fifo */ - for (i = 0; i < count; i++) { - pr_cont(" %02x", wakeup_sample_buf[i]); - nvt_cir_wake_reg_write(nvt, wakeup_sample_buf[i], - CIR_WAKE_WR_FIFO_DATA); - } - pr_cont("\n"); - - /* Switch cir to wakeup mode and disable fifo writing */ - nvt_cir_wake_reg_write(nvt, reg, CIR_WAKE_IRCON); - - /* Set number of bytes needed for wake */ - nvt_cir_wake_reg_write(nvt, count ? count : - CIR_WAKE_FIFO_CMP_BYTES, - CIR_WAKE_FIFO_CMP_DEEP); - - spin_unlock_irqrestore(&nvt->nvt_lock, flags); - - return 0; -} - -static int nvt_ir_raw_set_wakeup_filter(struct rc_dev *dev, - struct rc_scancode_filter *sc_filter) -{ - u8 *reg_buf; - u8 buf_val; - int i, ret, count; - unsigned int val; - struct ir_raw_event *raw; - bool complete; - - /* Require both mask and data to be set before actually committing */ - if (!sc_filter->mask || !sc_filter->data) - return 0; - - raw = kmalloc_array(WAKE_FIFO_LEN, sizeof(*raw), GFP_KERNEL); - if (!raw) - return -ENOMEM; - - ret = ir_raw_encode_scancode(dev->enabled_wakeup_protocols, sc_filter, - raw, WAKE_FIFO_LEN); - complete = (ret != -ENOBUFS); - if (!complete) - ret = WAKE_FIFO_LEN; - else if (ret < 0) - goto out_raw; - - reg_buf = kmalloc_array(WAKE_FIFO_LEN, sizeof(*reg_buf), GFP_KERNEL); - if (!reg_buf) { - ret = -ENOMEM; - goto out_raw; - } - - /* Inspect the ir samples */ - for (i = 0, count = 0; i < ret && count < WAKE_FIFO_LEN; ++i) { - val = NS_TO_US((raw[i]).duration) / SAMPLE_PERIOD; - - /* Split too large values into several smaller ones */ - while (val > 0 && count < WAKE_FIFO_LEN) { - - /* Skip last value for better comparison tolerance */ - if (complete && i == ret - 1 && val < BUF_LEN_MASK) - break; - - /* Clamp values to BUF_LEN_MASK at most */ - buf_val = (val > BUF_LEN_MASK) ? BUF_LEN_MASK : val; - - reg_buf[count] = buf_val; - val -= buf_val; - if ((raw[i]).pulse) - reg_buf[count] |= BUF_PULSE_BIT; - count++; - } - } - - ret = nvt_write_wakeup_codes(dev, reg_buf, count); - - kfree(reg_buf); -out_raw: - kfree(raw); - - return ret; -} - -/* Dummy implementation. nuvoton is agnostic to the protocol used */ -static int nvt_ir_raw_change_wakeup_protocol(struct rc_dev *dev, - u64 *rc_type) -{ - return 0; -} - /* * nvt_tx_ir * @@ -1167,14 +1043,11 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id) /* Set up the rc device */ rdev->priv = nvt; rdev->driver_type = RC_DRIVER_IR_RAW; - rdev->encode_wakeup = true; rdev->allowed_protocols = RC_BIT_ALL; rdev->open = nvt_open; rdev->close = nvt_close; rdev->tx_ir = nvt_tx_ir; rdev->s_tx_carrier = nvt_set_tx_carrier; - rdev->s_wakeup_filter = nvt_ir_raw_set_wakeup_filter; - rdev->change_wakeup_protocol = nvt_ir_raw_change_wakeup_protocol; rdev->input_name = "Nuvoton w836x7hg Infrared Remote Transceiver"; rdev->input_phys = "nuvoton/cir0"; rdev->input_id.bustype = BUS_HOST; diff --git a/drivers/media/rc/nuvoton-cir.h b/drivers/media/rc/nuvoton-cir.h index 9d0e161c2a88..e1cf23c3875b 100644 --- a/drivers/media/rc/nuvoton-cir.h +++ b/drivers/media/rc/nuvoton-cir.h @@ -63,7 +63,6 @@ static int debug; */ #define TX_BUF_LEN 256 #define RX_BUF_LEN 32 -#define WAKE_FIFO_LEN 67 struct nvt_dev { struct pnp_dev *pdev; diff --git a/drivers/media/rc/rc-core-priv.h b/drivers/media/rc/rc-core-priv.h index 4b994aa2f2a7..b68d4f762734 100644 --- a/drivers/media/rc/rc-core-priv.h +++ b/drivers/media/rc/rc-core-priv.h @@ -25,8 +25,6 @@ struct ir_raw_handler { u64 protocols; /* which are handled by this handler */ int (*decode)(struct rc_dev *dev, struct ir_raw_event event); - int (*encode)(u64 protocols, const struct rc_scancode_filter *scancode, - struct ir_raw_event *events, unsigned int max); /* These two should only be used by the lirc decoder */ int (*raw_register)(struct rc_dev *dev); @@ -152,44 +150,10 @@ static inline bool is_timing_event(struct ir_raw_event ev) #define TO_US(duration) DIV_ROUND_CLOSEST((duration), 1000) #define TO_STR(is_pulse) ((is_pulse) ? "pulse" : "space") -/* functions for IR encoders */ - -static inline void init_ir_raw_event_duration(struct ir_raw_event *ev, - unsigned int pulse, - u32 duration) -{ - init_ir_raw_event(ev); - ev->duration = duration; - ev->pulse = pulse; -} - -/** - * struct ir_raw_timings_manchester - Manchester coding timings - * @leader: duration of leader pulse (if any) 0 if continuing - * existing signal (see @pulse_space_start) - * @pulse_space_start: 1 for starting with pulse (0 for starting with space) - * @clock: duration of each pulse/space in ns - * @invert: if set clock logic is inverted - * (0 = space + pulse, 1 = pulse + space) - * @trailer_space: duration of trailer space in ns - */ -struct ir_raw_timings_manchester { - unsigned int leader; - unsigned int pulse_space_start:1; - unsigned int clock; - unsigned int invert:1; - unsigned int trailer_space; -}; - -int ir_raw_gen_manchester(struct ir_raw_event **ev, unsigned int max, - const struct ir_raw_timings_manchester *timings, - unsigned int n, unsigned int data); - /* * Routines from rc-raw.c to be used internally and by decoders */ u64 ir_raw_get_allowed_protocols(void); -u64 ir_raw_get_encode_protocols(void); int ir_raw_event_register(struct rc_dev *dev); void ir_raw_event_unregister(struct rc_dev *dev); int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler); diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c index b9e4645c731c..b732ac6a26d8 100644 --- a/drivers/media/rc/rc-ir-raw.c +++ b/drivers/media/rc/rc-ir-raw.c @@ -30,7 +30,6 @@ static LIST_HEAD(ir_raw_client_list); static DEFINE_MUTEX(ir_raw_handler_lock); static LIST_HEAD(ir_raw_handler_list); static u64 available_protocols; -static u64 encode_protocols; static int ir_raw_event_thread(void *data) { @@ -241,146 +240,12 @@ ir_raw_get_allowed_protocols(void) return protocols; } -/* used internally by the sysfs interface */ -u64 -ir_raw_get_encode_protocols(void) -{ - u64 protocols; - - mutex_lock(&ir_raw_handler_lock); - protocols = encode_protocols; - mutex_unlock(&ir_raw_handler_lock); - return protocols; -} - static int change_protocol(struct rc_dev *dev, u64 *rc_type) { /* the caller will update dev->enabled_protocols */ return 0; } -/** - * ir_raw_gen_manchester() - Encode data with Manchester (bi-phase) modulation. - * @ev: Pointer to pointer to next free event. *@ev is incremented for - * each raw event filled. - * @max: Maximum number of raw events to fill. - * @timings: Manchester modulation timings. - * @n: Number of bits of data. - * @data: Data bits to encode. - * - * Encodes the @n least significant bits of @data using Manchester (bi-phase) - * modulation with the timing characteristics described by @timings, writing up - * to @max raw IR events using the *@ev pointer. - * - * Returns: 0 on success. - * -ENOBUFS if there isn't enough space in the array to fit the - * full encoded data. In this case all @max events will have been - * written. - */ -int ir_raw_gen_manchester(struct ir_raw_event **ev, unsigned int max, - const struct ir_raw_timings_manchester *timings, - unsigned int n, unsigned int data) -{ - bool need_pulse; - unsigned int i; - int ret = -ENOBUFS; - - i = 1 << (n - 1); - - if (timings->leader) { - if (!max--) - return ret; - if (timings->pulse_space_start) { - init_ir_raw_event_duration((*ev)++, 1, timings->leader); - - if (!max--) - return ret; - init_ir_raw_event_duration((*ev), 0, timings->leader); - } else { - init_ir_raw_event_duration((*ev), 1, timings->leader); - } - i >>= 1; - } else { - /* continue existing signal */ - --(*ev); - } - /* from here on *ev will point to the last event rather than the next */ - - while (n && i > 0) { - need_pulse = !(data & i); - if (timings->invert) - need_pulse = !need_pulse; - if (need_pulse == !!(*ev)->pulse) { - (*ev)->duration += timings->clock; - } else { - if (!max--) - goto nobufs; - init_ir_raw_event_duration(++(*ev), need_pulse, - timings->clock); - } - - if (!max--) - goto nobufs; - init_ir_raw_event_duration(++(*ev), !need_pulse, - timings->clock); - i >>= 1; - } - - if (timings->trailer_space) { - if (!(*ev)->pulse) - (*ev)->duration += timings->trailer_space; - else if (!max--) - goto nobufs; - else - init_ir_raw_event_duration(++(*ev), 0, - timings->trailer_space); - } - - ret = 0; -nobufs: - /* point to the next event rather than last event before returning */ - ++(*ev); - return ret; -} -EXPORT_SYMBOL(ir_raw_gen_manchester); - -/** - * ir_raw_encode_scancode() - Encode a scancode as raw events - * - * @protocols: permitted protocols - * @scancode: scancode filter describing a single scancode - * @events: array of raw events to write into - * @max: max number of raw events - * - * Attempts to encode the scancode as raw events. - * - * Returns: The number of events written. - * -ENOBUFS if there isn't enough space in the array to fit the - * encoding. In this case all @max events will have been written. - * -EINVAL if the scancode is ambiguous or invalid, or if no - * compatible encoder was found. - */ -int ir_raw_encode_scancode(u64 protocols, - const struct rc_scancode_filter *scancode, - struct ir_raw_event *events, unsigned int max) -{ - struct ir_raw_handler *handler; - int ret = -EINVAL; - - mutex_lock(&ir_raw_handler_lock); - list_for_each_entry(handler, &ir_raw_handler_list, list) { - if (handler->protocols & protocols && handler->encode) { - ret = handler->encode(protocols, scancode, events, max); - if (ret >= 0 || ret == -ENOBUFS) - break; - } - } - mutex_unlock(&ir_raw_handler_lock); - - return ret; -} -EXPORT_SYMBOL(ir_raw_encode_scancode); - /* * Used to (un)register raw event clients */ @@ -463,8 +328,6 @@ int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler) list_for_each_entry(raw, &ir_raw_client_list, list) ir_raw_handler->raw_register(raw->dev); available_protocols |= ir_raw_handler->protocols; - if (ir_raw_handler->encode) - encode_protocols |= ir_raw_handler->protocols; mutex_unlock(&ir_raw_handler_lock); return 0; @@ -481,8 +344,6 @@ void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler) list_for_each_entry(raw, &ir_raw_client_list, list) ir_raw_handler->raw_unregister(raw->dev); available_protocols &= ~ir_raw_handler->protocols; - if (ir_raw_handler->encode) - encode_protocols &= ~ir_raw_handler->protocols; mutex_unlock(&ir_raw_handler_lock); } EXPORT_SYMBOL(ir_raw_handler_unregister); diff --git a/drivers/media/rc/rc-loopback.c b/drivers/media/rc/rc-loopback.c index d8bdf63ce985..63dace8198b0 100644 --- a/drivers/media/rc/rc-loopback.c +++ b/drivers/media/rc/rc-loopback.c @@ -26,7 +26,6 @@ #include <linux/device.h> #include <linux/module.h> #include <linux/sched.h> -#include <linux/slab.h> #include <media/rc-core.h> #define DRIVER_NAME "rc-loopback" @@ -177,39 +176,6 @@ static int loop_set_carrier_report(struct rc_dev *dev, int enable) return 0; } -static int loop_set_wakeup_filter(struct rc_dev *dev, - struct rc_scancode_filter *sc_filter) -{ - static const unsigned int max = 512; - struct ir_raw_event *raw; - int ret; - int i; - - /* fine to disable filter */ - if (!sc_filter->mask) - return 0; - - /* encode the specified filter and loop it back */ - raw = kmalloc_array(max, sizeof(*raw), GFP_KERNEL); - ret = ir_raw_encode_scancode(dev->enabled_wakeup_protocols, sc_filter, - raw, max); - /* still loop back the partial raw IR even if it's incomplete */ - if (ret == -ENOBUFS) - ret = max; - if (ret >= 0) { - /* do the loopback */ - for (i = 0; i < ret; ++i) - ir_raw_event_store(dev, &raw[i]); - ir_raw_event_handle(dev); - - ret = 0; - } - - kfree(raw); - - return ret; -} - static int __init loop_init(void) { struct rc_dev *rc; @@ -229,7 +195,6 @@ static int __init loop_init(void) rc->map_name = RC_MAP_EMPTY; rc->priv = &loopdev; rc->driver_type = RC_DRIVER_IR_RAW; - rc->encode_wakeup = true; rc->allowed_protocols = RC_BIT_ALL; rc->timeout = 100 * 1000 * 1000; /* 100 ms */ rc->min_timeout = 1; @@ -244,7 +209,6 @@ static int __init loop_init(void) rc->s_idle = loop_set_idle; rc->s_learning_mode = loop_set_learning_mode; rc->s_carrier_report = loop_set_carrier_report; - rc->s_wakeup_filter = loop_set_wakeup_filter; loopdev.txmask = RXMASK_REGULAR; loopdev.txcarrier = 36000; diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index 9d015db65280..0ff388a16168 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -865,8 +865,6 @@ static ssize_t show_protocols(struct device *device, } else { enabled = dev->enabled_wakeup_protocols; allowed = dev->allowed_wakeup_protocols; - if (dev->encode_wakeup && !allowed) - allowed = ir_raw_get_encode_protocols(); } mutex_unlock(&dev->lock); @@ -1408,16 +1406,13 @@ int rc_register_device(struct rc_dev *dev) path ? path : "N/A"); kfree(path); - if (dev->driver_type == RC_DRIVER_IR_RAW || dev->encode_wakeup) { + if (dev->driver_type == RC_DRIVER_IR_RAW) { /* Load raw decoders, if they aren't already */ if (!raw_init) { IR_dprintk(1, "Loading raw decoders\n"); ir_raw_init(); raw_init = true; } - } - - if (dev->driver_type == RC_DRIVER_IR_RAW) { /* calls ir_register_device so unlock mutex here*/ mutex_unlock(&dev->lock); rc = ir_raw_event_register(dev); diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 93b315459098..a14c428f70e9 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -715,6 +715,7 @@ static void __fill_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b) break; case VB2_BUF_STATE_PREPARING: case VB2_BUF_STATE_DEQUEUED: + case VB2_BUF_STATE_REQUEUEING: /* nothing */ break; } @@ -1182,7 +1183,8 @@ void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state) if (WARN_ON(state != VB2_BUF_STATE_DONE && state != VB2_BUF_STATE_ERROR && - state != VB2_BUF_STATE_QUEUED)) + state != VB2_BUF_STATE_QUEUED && + state != VB2_BUF_STATE_REQUEUEING)) state = VB2_BUF_STATE_ERROR; #ifdef CONFIG_VIDEO_ADV_DEBUG @@ -1199,22 +1201,30 @@ void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state) for (plane = 0; plane < vb->num_planes; ++plane) call_void_memop(vb, finish, vb->planes[plane].mem_priv); - /* Add the buffer to the done buffers list */ spin_lock_irqsave(&q->done_lock, flags); - vb->state = state; - if (state != VB2_BUF_STATE_QUEUED) + if (state == VB2_BUF_STATE_QUEUED || + state == VB2_BUF_STATE_REQUEUEING) { + vb->state = VB2_BUF_STATE_QUEUED; + } else { + /* Add the buffer to the done buffers list */ list_add_tail(&vb->done_entry, &q->done_list); + vb->state = state; + } atomic_dec(&q->owned_by_drv_count); spin_unlock_irqrestore(&q->done_lock, flags); - if (state == VB2_BUF_STATE_QUEUED) { + switch (state) { + case VB2_BUF_STATE_QUEUED: + return; + case VB2_BUF_STATE_REQUEUEING: if (q->start_streaming_called) __enqueue_in_driver(vb); return; + default: + /* Inform any processes that may be waiting for buffers */ + wake_up(&q->done_wq); + break; } - - /* Inform any processes that may be waiting for buffers */ - wake_up(&q->done_wq); } EXPORT_SYMBOL_GPL(vb2_buffer_done); @@ -1244,19 +1254,19 @@ EXPORT_SYMBOL_GPL(vb2_discard_done); static void vb2_warn_zero_bytesused(struct vb2_buffer *vb) { - static bool __check_once __read_mostly; + static bool check_once; - if (__check_once) + if (check_once) return; - __check_once = true; - __WARN(); + check_once = true; + WARN_ON(1); - pr_warn_once("use of bytesused == 0 is deprecated and will be removed in the future,\n"); + pr_warn("use of bytesused == 0 is deprecated and will be removed in the future,\n"); if (vb->vb2_queue->allow_zero_bytesused) - pr_warn_once("use VIDIOC_DECODER_CMD(V4L2_DEC_CMD_STOP) instead.\n"); + pr_warn("use VIDIOC_DECODER_CMD(V4L2_DEC_CMD_STOP) instead.\n"); else - pr_warn_once("use the actual size instead.\n"); + pr_warn("use the actual size instead.\n"); } /** diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index 8911e51d410a..9426276dbe14 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -2074,14 +2074,8 @@ static int gpmc_probe_dt(struct platform_device *pdev) ret = gpmc_probe_nand_child(pdev, child); else if (of_node_cmp(child->name, "onenand") == 0) ret = gpmc_probe_onenand_child(pdev, child); - else if (of_node_cmp(child->name, "ethernet") == 0 || - of_node_cmp(child->name, "nor") == 0 || - of_node_cmp(child->name, "uart") == 0) + else ret = gpmc_probe_generic_child(pdev, child); - - if (WARN(ret < 0, "%s: probing gpmc child %s failed\n", - __func__, child->full_name)) - of_node_put(child); } return 0; @@ -2251,6 +2245,9 @@ void omap3_gpmc_save_context(void) { int i; + if (!gpmc_base) + return; + gpmc_context.sysconfig = gpmc_read_reg(GPMC_SYSCONFIG); gpmc_context.irqenable = gpmc_read_reg(GPMC_IRQENABLE); gpmc_context.timeout_ctrl = gpmc_read_reg(GPMC_TIMEOUT_CONTROL); @@ -2283,6 +2280,9 @@ void omap3_gpmc_restore_context(void) { int i; + if (!gpmc_base) + return; + gpmc_write_reg(GPMC_SYSCONFIG, gpmc_context.sysconfig); gpmc_write_reg(GPMC_IRQENABLE, gpmc_context.irqenable); gpmc_write_reg(GPMC_TIMEOUT_CONTROL, gpmc_context.timeout_ctrl); diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 653815950aa2..3f68dd251ce8 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -115,7 +115,7 @@ config MFD_CROS_EC_I2C config MFD_CROS_EC_SPI tristate "ChromeOS Embedded Controller (SPI)" - depends on MFD_CROS_EC && CROS_EC_PROTO && SPI && OF + depends on MFD_CROS_EC && CROS_EC_PROTO && SPI ---help--- If you say Y here, you get support for talking to the ChromeOS EC diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index bebf58a06a6b..a72ddb295078 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -651,7 +651,7 @@ static int arizona_runtime_suspend(struct device *dev) arizona->has_fully_powered_off = true; - disable_irq(arizona->irq); + disable_irq_nosync(arizona->irq); arizona_enable_reset(arizona); regulator_bulk_disable(arizona->num_core_supplies, arizona->core_supplies); @@ -1141,10 +1141,6 @@ int arizona_dev_init(struct arizona *arizona) arizona->pdata.gpio_defaults[i]); } - pm_runtime_set_autosuspend_delay(arizona->dev, 100); - pm_runtime_use_autosuspend(arizona->dev); - pm_runtime_enable(arizona->dev); - /* Chip default */ if (!arizona->pdata.clk32k_src) arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2; @@ -1245,11 +1241,17 @@ int arizona_dev_init(struct arizona *arizona) arizona->pdata.spk_fmt[i]); } + pm_runtime_set_active(arizona->dev); + pm_runtime_enable(arizona->dev); + /* Set up for interrupts */ ret = arizona_irq_init(arizona); if (ret != 0) goto err_reset; + pm_runtime_set_autosuspend_delay(arizona->dev, 100); + pm_runtime_use_autosuspend(arizona->dev); + arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error", arizona_clkgen_err, arizona); arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked", @@ -1278,10 +1280,6 @@ int arizona_dev_init(struct arizona *arizona) goto err_irq; } -#ifdef CONFIG_PM - regulator_disable(arizona->dcvdd); -#endif - return 0; err_irq: diff --git a/drivers/mfd/stmpe-i2c.c b/drivers/mfd/stmpe-i2c.c index 5c054031c3f8..e14c8c9d189b 100644 --- a/drivers/mfd/stmpe-i2c.c +++ b/drivers/mfd/stmpe-i2c.c @@ -6,7 +6,7 @@ * * License Terms: GNU General Public License, version 2 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson - * Author: Viresh Kumar <viresh.linux@gmail.com> for ST Microelectronics + * Author: Viresh Kumar <vireshk@kernel.org> for ST Microelectronics */ #include <linux/i2c.h> diff --git a/drivers/mfd/stmpe-spi.c b/drivers/mfd/stmpe-spi.c index a81badbaa917..6fdb30e84a2b 100644 --- a/drivers/mfd/stmpe-spi.c +++ b/drivers/mfd/stmpe-spi.c @@ -4,7 +4,7 @@ * Copyright (C) ST Microelectronics SA 2011 * * License Terms: GNU General Public License, version 2 - * Author: Viresh Kumar <viresh.linux@gmail.com> for ST Microelectronics + * Author: Viresh Kumar <vireshk@kernel.org> for ST Microelectronics */ #include <linux/spi/spi.h> @@ -146,4 +146,4 @@ module_exit(stmpe_exit); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("STMPE MFD SPI Interface Driver"); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c index 0c77240ae2fc..729e0851167d 100644 --- a/drivers/misc/cxl/api.c +++ b/drivers/misc/cxl/api.c @@ -23,6 +23,7 @@ struct cxl_context *cxl_dev_context_init(struct pci_dev *dev) afu = cxl_pci_to_afu(dev); + get_device(&afu->dev); ctx = cxl_context_alloc(); if (IS_ERR(ctx)) return ctx; @@ -31,6 +32,7 @@ struct cxl_context *cxl_dev_context_init(struct pci_dev *dev) rc = cxl_context_init(ctx, afu, false, NULL); if (rc) { kfree(ctx); + put_device(&afu->dev); return ERR_PTR(-ENOMEM); } cxl_assign_psn_space(ctx); @@ -60,6 +62,8 @@ int cxl_release_context(struct cxl_context *ctx) if (ctx->status != CLOSED) return -EBUSY; + put_device(&ctx->afu->dev); + cxl_context_free(ctx); return 0; @@ -159,7 +163,6 @@ int cxl_start_context(struct cxl_context *ctx, u64 wed, } ctx->status = STARTED; - get_device(&ctx->afu->dev); out: mutex_unlock(&ctx->status_mutex); return rc; @@ -175,12 +178,7 @@ EXPORT_SYMBOL_GPL(cxl_process_element); /* Stop a context. Returns 0 on success, otherwise -Errno */ int cxl_stop_context(struct cxl_context *ctx) { - int rc; - - rc = __detach_context(ctx); - if (!rc) - put_device(&ctx->afu->dev); - return rc; + return __detach_context(ctx); } EXPORT_SYMBOL_GPL(cxl_stop_context); diff --git a/drivers/misc/cxl/context.c b/drivers/misc/cxl/context.c index 2a4c80ac322a..1287148629c0 100644 --- a/drivers/misc/cxl/context.c +++ b/drivers/misc/cxl/context.c @@ -113,11 +113,11 @@ static int cxl_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) if (ctx->afu->current_mode == CXL_MODE_DEDICATED) { area = ctx->afu->psn_phys; - if (offset > ctx->afu->adapter->ps_size) + if (offset >= ctx->afu->adapter->ps_size) return VM_FAULT_SIGBUS; } else { area = ctx->psn_phys; - if (offset > ctx->psn_size) + if (offset >= ctx->psn_size) return VM_FAULT_SIGBUS; } @@ -145,8 +145,16 @@ static const struct vm_operations_struct cxl_mmap_vmops = { */ int cxl_context_iomap(struct cxl_context *ctx, struct vm_area_struct *vma) { + u64 start = vma->vm_pgoff << PAGE_SHIFT; u64 len = vma->vm_end - vma->vm_start; - len = min(len, ctx->psn_size); + + if (ctx->afu->current_mode == CXL_MODE_DEDICATED) { + if (start + len > ctx->afu->adapter->ps_size) + return -EINVAL; + } else { + if (start + len > ctx->psn_size) + return -EINVAL; + } if (ctx->afu->current_mode != CXL_MODE_DEDICATED) { /* make sure there is a valid per process space for this AFU */ diff --git a/drivers/misc/cxl/main.c b/drivers/misc/cxl/main.c index 833348e2c9cb..4a164ab8b35a 100644 --- a/drivers/misc/cxl/main.c +++ b/drivers/misc/cxl/main.c @@ -73,7 +73,7 @@ static inline void cxl_slbia_core(struct mm_struct *mm) spin_lock(&adapter->afu_list_lock); for (slice = 0; slice < adapter->slices; slice++) { afu = adapter->afu[slice]; - if (!afu->enabled) + if (!afu || !afu->enabled) continue; rcu_read_lock(); idr_for_each_entry(&afu->contexts_idr, ctx, id) diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index c68ef5806dbe..32ad09705949 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -539,7 +539,7 @@ err: static void cxl_unmap_slice_regs(struct cxl_afu *afu) { - if (afu->p1n_mmio) + if (afu->p2n_mmio) iounmap(afu->p2n_mmio); if (afu->p1n_mmio) iounmap(afu->p1n_mmio); diff --git a/drivers/misc/cxl/vphb.c b/drivers/misc/cxl/vphb.c index b1d1983a84a5..2eba002b580b 100644 --- a/drivers/misc/cxl/vphb.c +++ b/drivers/misc/cxl/vphb.c @@ -112,9 +112,10 @@ static int cxl_pcie_config_info(struct pci_bus *bus, unsigned int devfn, unsigned long addr; phb = pci_bus_to_host(bus); - afu = (struct cxl_afu *)phb->private_data; if (phb == NULL) return PCIBIOS_DEVICE_NOT_FOUND; + afu = (struct cxl_afu *)phb->private_data; + if (cxl_pcie_cfg_record(bus->number, devfn) > afu->crs_num) return PCIBIOS_DEVICE_NOT_FOUND; if (offset >= (unsigned long)phb->cfg_data) diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 2d3db81be099..6ded3dc36644 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -438,9 +438,6 @@ static ssize_t at24_bin_write(struct file *filp, struct kobject *kobj, { struct at24_data *at24; - if (unlikely(off >= attr->size)) - return -EFBIG; - at24 = dev_get_drvdata(container_of(kobj, struct device, kobj)); return at24_write(at24, buf, off, count); } diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 357b6ae4d207..458aa5a09c52 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -552,22 +552,6 @@ void mei_cl_bus_rx_event(struct mei_cl *cl) schedule_work(&device->event_work); } -void mei_cl_bus_remove_devices(struct mei_device *dev) -{ - struct mei_cl *cl, *next; - - mutex_lock(&dev->device_lock); - list_for_each_entry_safe(cl, next, &dev->device_list, device_link) { - if (cl->device) - mei_cl_remove_device(cl->device); - - list_del(&cl->device_link); - mei_cl_unlink(cl); - kfree(cl); - } - mutex_unlock(&dev->device_lock); -} - int __init mei_cl_bus_init(void) { return bus_register(&mei_cl_bus_type); diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index 94514b2c7a50..00c3865ca3b1 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -333,8 +333,6 @@ void mei_stop(struct mei_device *dev) mei_nfc_host_exit(dev); - mei_cl_bus_remove_devices(dev); - mutex_lock(&dev->device_lock); mei_wd_stop(dev); diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 8eb0a9500a90..e9513d651cd3 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -682,7 +682,7 @@ int mei_register(struct mei_device *dev, struct device *parent) /* Fill in the data structures */ devno = MKDEV(MAJOR(mei_devt), dev->minor); cdev_init(&dev->cdev, &mei_fops); - dev->cdev.owner = mei_fops.owner; + dev->cdev.owner = parent->driver->owner; /* Add the device */ ret = cdev_add(&dev->cdev, devno, 1); diff --git a/drivers/misc/mei/nfc.c b/drivers/misc/mei/nfc.c index b983c4ecad38..290ef3037437 100644 --- a/drivers/misc/mei/nfc.c +++ b/drivers/misc/mei/nfc.c @@ -402,11 +402,12 @@ void mei_nfc_host_exit(struct mei_device *dev) cldev->priv_data = NULL; - mutex_lock(&dev->device_lock); /* Need to remove the device here * since mei_nfc_free will unlink the clients */ mei_cl_remove_device(cldev); + + mutex_lock(&dev->device_lock); mei_nfc_free(ndev); mutex_unlock(&dev->device_lock); } diff --git a/drivers/misc/mic/scif/scif_nodeqp.c b/drivers/misc/mic/scif/scif_nodeqp.c index 41e3bdb10061..6dfdae3452d6 100644 --- a/drivers/misc/mic/scif/scif_nodeqp.c +++ b/drivers/misc/mic/scif/scif_nodeqp.c @@ -357,7 +357,7 @@ static void scif_p2p_freesg(struct scatterlist *sg) } static struct scatterlist * -scif_p2p_setsg(void __iomem *va, int page_size, int page_cnt) +scif_p2p_setsg(phys_addr_t pa, int page_size, int page_cnt) { struct scatterlist *sg; struct page *page; @@ -368,16 +368,11 @@ scif_p2p_setsg(void __iomem *va, int page_size, int page_cnt) return NULL; sg_init_table(sg, page_cnt); for (i = 0; i < page_cnt; i++) { - page = vmalloc_to_page((void __force *)va); - if (!page) - goto p2p_sg_err; + page = pfn_to_page(pa >> PAGE_SHIFT); sg_set_page(&sg[i], page, page_size, 0); - va += page_size; + pa += page_size; } return sg; -p2p_sg_err: - kfree(sg); - return NULL; } /* Init p2p mappings required to access peerdev from scifdev */ @@ -395,14 +390,14 @@ scif_init_p2p_info(struct scif_dev *scifdev, struct scif_dev *peerdev) p2p = kzalloc(sizeof(*p2p), GFP_KERNEL); if (!p2p) return NULL; - p2p->ppi_sg[SCIF_PPI_MMIO] = scif_p2p_setsg(psdev->mmio->va, + p2p->ppi_sg[SCIF_PPI_MMIO] = scif_p2p_setsg(psdev->mmio->pa, PAGE_SIZE, num_mmio_pages); if (!p2p->ppi_sg[SCIF_PPI_MMIO]) goto free_p2p; p2p->sg_nentries[SCIF_PPI_MMIO] = num_mmio_pages; sg_page_shift = get_order(min(psdev->aper->len, (u64)(1 << 30))); num_aper_chunks = num_aper_pages >> (sg_page_shift - PAGE_SHIFT); - p2p->ppi_sg[SCIF_PPI_APER] = scif_p2p_setsg(psdev->aper->va, + p2p->ppi_sg[SCIF_PPI_APER] = scif_p2p_setsg(psdev->aper->pa, 1 << sg_page_shift, num_aper_chunks); p2p->sg_nentries[SCIF_PPI_APER] = num_aper_chunks; diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index c9c3d20b784b..a1b820fcb2a6 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -208,6 +208,8 @@ static ssize_t power_ro_lock_show(struct device *dev, ret = snprintf(buf, PAGE_SIZE, "%d\n", locked); + mmc_blk_put(md); + return ret; } diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index fd9a58e216a5..6a0f9c79be26 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -779,6 +779,7 @@ config MMC_TOSHIBA_PCI config MMC_MTK tristate "MediaTek SD/MMC Card Interface support" + depends on HAS_DMA help This selects the MediaTek(R) Secure digital and Multimedia card Interface. If you have a machine with a integrated SD/MMC card reader, say Y or M here. diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index b2b411da297b..4d1203236890 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1062,9 +1062,14 @@ static void omap_hsmmc_do_irq(struct omap_hsmmc_host *host, int status) if (status & (CTO_EN | CCRC_EN)) end_cmd = 1; + if (host->data || host->response_busy) { + end_trans = !end_cmd; + host->response_busy = 0; + } if (status & (CTO_EN | DTO_EN)) hsmmc_command_incomplete(host, -ETIMEDOUT, end_cmd); - else if (status & (CCRC_EN | DCRC_EN)) + else if (status & (CCRC_EN | DCRC_EN | DEB_EN | CEB_EN | + BADA_EN)) hsmmc_command_incomplete(host, -EILSEQ, end_cmd); if (status & ACE_EN) { @@ -1081,10 +1086,6 @@ static void omap_hsmmc_do_irq(struct omap_hsmmc_host *host, int status) } dev_dbg(mmc_dev(host->mmc), "AC12 err: 0x%x\n", ac12); } - if (host->data || host->response_busy) { - end_trans = !end_cmd; - host->response_busy = 0; - } } OMAP_HSMMC_WRITE(host->base, STAT, status); diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index faf0cb910c96..c6b9f6492e1a 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -581,13 +581,8 @@ static void esdhc_writeb_le(struct sdhci_host *host, u8 val, int reg) static unsigned int esdhc_pltfm_get_max_clock(struct sdhci_host *host) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct pltfm_imx_data *imx_data = pltfm_host->priv; - struct esdhc_platform_data *boarddata = &imx_data->boarddata; - if (boarddata->f_max && (boarddata->f_max < pltfm_host->clock)) - return boarddata->f_max; - else - return pltfm_host->clock; + return pltfm_host->clock; } static unsigned int esdhc_pltfm_get_min_clock(struct sdhci_host *host) @@ -878,34 +873,19 @@ static const struct sdhci_pltfm_data sdhci_esdhc_imx_pdata = { static int sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, struct sdhci_host *host, - struct esdhc_platform_data *boarddata) + struct pltfm_imx_data *imx_data) { struct device_node *np = pdev->dev.of_node; - - if (!np) - return -ENODEV; - - if (of_get_property(np, "non-removable", NULL)) - boarddata->cd_type = ESDHC_CD_PERMANENT; - - if (of_get_property(np, "fsl,cd-controller", NULL)) - boarddata->cd_type = ESDHC_CD_CONTROLLER; + struct esdhc_platform_data *boarddata = &imx_data->boarddata; + int ret; if (of_get_property(np, "fsl,wp-controller", NULL)) boarddata->wp_type = ESDHC_WP_CONTROLLER; - boarddata->cd_gpio = of_get_named_gpio(np, "cd-gpios", 0); - if (gpio_is_valid(boarddata->cd_gpio)) - boarddata->cd_type = ESDHC_CD_GPIO; - boarddata->wp_gpio = of_get_named_gpio(np, "wp-gpios", 0); if (gpio_is_valid(boarddata->wp_gpio)) boarddata->wp_type = ESDHC_WP_GPIO; - of_property_read_u32(np, "bus-width", &boarddata->max_bus_width); - - of_property_read_u32(np, "max-frequency", &boarddata->f_max); - if (of_find_property(np, "no-1-8-v", NULL)) boarddata->support_vsel = false; else @@ -916,29 +896,119 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, mmc_of_parse_voltage(np, &host->ocr_mask); + /* sdr50 and sdr104 needs work on 1.8v signal voltage */ + if ((boarddata->support_vsel) && esdhc_is_usdhc(imx_data) && + !IS_ERR(imx_data->pins_default)) { + imx_data->pins_100mhz = pinctrl_lookup_state(imx_data->pinctrl, + ESDHC_PINCTRL_STATE_100MHZ); + imx_data->pins_200mhz = pinctrl_lookup_state(imx_data->pinctrl, + ESDHC_PINCTRL_STATE_200MHZ); + if (IS_ERR(imx_data->pins_100mhz) || + IS_ERR(imx_data->pins_200mhz)) { + dev_warn(mmc_dev(host->mmc), + "could not get ultra high speed state, work on normal mode\n"); + /* + * fall back to not support uhs by specify no 1.8v quirk + */ + host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; + } + } else { + host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; + } + /* call to generic mmc_of_parse to support additional capabilities */ - return mmc_of_parse(host->mmc); + ret = mmc_of_parse(host->mmc); + if (ret) + return ret; + + if (!IS_ERR_VALUE(mmc_gpio_get_cd(host->mmc))) + host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; + + return 0; } #else static inline int sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, struct sdhci_host *host, - struct esdhc_platform_data *boarddata) + struct pltfm_imx_data *imx_data) { return -ENODEV; } #endif +static int sdhci_esdhc_imx_probe_nondt(struct platform_device *pdev, + struct sdhci_host *host, + struct pltfm_imx_data *imx_data) +{ + struct esdhc_platform_data *boarddata = &imx_data->boarddata; + int err; + + if (!host->mmc->parent->platform_data) { + dev_err(mmc_dev(host->mmc), "no board data!\n"); + return -EINVAL; + } + + imx_data->boarddata = *((struct esdhc_platform_data *) + host->mmc->parent->platform_data); + /* write_protect */ + if (boarddata->wp_type == ESDHC_WP_GPIO) { + err = mmc_gpio_request_ro(host->mmc, boarddata->wp_gpio); + if (err) { + dev_err(mmc_dev(host->mmc), + "failed to request write-protect gpio!\n"); + return err; + } + host->mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH; + } + + /* card_detect */ + switch (boarddata->cd_type) { + case ESDHC_CD_GPIO: + err = mmc_gpio_request_cd(host->mmc, boarddata->cd_gpio, 0); + if (err) { + dev_err(mmc_dev(host->mmc), + "failed to request card-detect gpio!\n"); + return err; + } + /* fall through */ + + case ESDHC_CD_CONTROLLER: + /* we have a working card_detect back */ + host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; + break; + + case ESDHC_CD_PERMANENT: + host->mmc->caps |= MMC_CAP_NONREMOVABLE; + break; + + case ESDHC_CD_NONE: + break; + } + + switch (boarddata->max_bus_width) { + case 8: + host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA; + break; + case 4: + host->mmc->caps |= MMC_CAP_4_BIT_DATA; + break; + case 1: + default: + host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA; + break; + } + + return 0; +} + static int sdhci_esdhc_imx_probe(struct platform_device *pdev) { const struct of_device_id *of_id = of_match_device(imx_esdhc_dt_ids, &pdev->dev); struct sdhci_pltfm_host *pltfm_host; struct sdhci_host *host; - struct esdhc_platform_data *boarddata; int err; struct pltfm_imx_data *imx_data; - bool dt = true; host = sdhci_pltfm_init(pdev, &sdhci_esdhc_imx_pdata, 0); if (IS_ERR(host)) @@ -1030,84 +1100,12 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) if (imx_data->socdata->flags & ESDHC_FLAG_ERR004536) host->quirks |= SDHCI_QUIRK_BROKEN_ADMA; - boarddata = &imx_data->boarddata; - if (sdhci_esdhc_imx_probe_dt(pdev, host, boarddata) < 0) { - if (!host->mmc->parent->platform_data) { - dev_err(mmc_dev(host->mmc), "no board data!\n"); - err = -EINVAL; - goto disable_clk; - } - imx_data->boarddata = *((struct esdhc_platform_data *) - host->mmc->parent->platform_data); - dt = false; - } - /* write_protect */ - if (boarddata->wp_type == ESDHC_WP_GPIO && !dt) { - err = mmc_gpio_request_ro(host->mmc, boarddata->wp_gpio); - if (err) { - dev_err(mmc_dev(host->mmc), - "failed to request write-protect gpio!\n"); - goto disable_clk; - } - host->mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH; - } - - /* card_detect */ - switch (boarddata->cd_type) { - case ESDHC_CD_GPIO: - if (dt) - break; - err = mmc_gpio_request_cd(host->mmc, boarddata->cd_gpio, 0); - if (err) { - dev_err(mmc_dev(host->mmc), - "failed to request card-detect gpio!\n"); - goto disable_clk; - } - /* fall through */ - - case ESDHC_CD_CONTROLLER: - /* we have a working card_detect back */ - host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; - break; - - case ESDHC_CD_PERMANENT: - host->mmc->caps |= MMC_CAP_NONREMOVABLE; - break; - - case ESDHC_CD_NONE: - break; - } - - switch (boarddata->max_bus_width) { - case 8: - host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA; - break; - case 4: - host->mmc->caps |= MMC_CAP_4_BIT_DATA; - break; - case 1: - default: - host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA; - break; - } - - /* sdr50 and sdr104 needs work on 1.8v signal voltage */ - if ((boarddata->support_vsel) && esdhc_is_usdhc(imx_data) && - !IS_ERR(imx_data->pins_default)) { - imx_data->pins_100mhz = pinctrl_lookup_state(imx_data->pinctrl, - ESDHC_PINCTRL_STATE_100MHZ); - imx_data->pins_200mhz = pinctrl_lookup_state(imx_data->pinctrl, - ESDHC_PINCTRL_STATE_200MHZ); - if (IS_ERR(imx_data->pins_100mhz) || - IS_ERR(imx_data->pins_200mhz)) { - dev_warn(mmc_dev(host->mmc), - "could not get ultra high speed state, work on normal mode\n"); - /* fall back to not support uhs by specify no 1.8v quirk */ - host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; - } - } else { - host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; - } + if (of_id) + err = sdhci_esdhc_imx_probe_dt(pdev, host, imx_data); + else + err = sdhci_esdhc_imx_probe_nondt(pdev, host, imx_data); + if (err) + goto disable_clk; err = sdhci_add_host(host); if (err) diff --git a/drivers/mmc/host/sdhci-esdhc.h b/drivers/mmc/host/sdhci-esdhc.h index 3497cfaf683c..a870c42731d7 100644 --- a/drivers/mmc/host/sdhci-esdhc.h +++ b/drivers/mmc/host/sdhci-esdhc.h @@ -45,6 +45,6 @@ #define ESDHC_DMA_SYSCTL 0x40c #define ESDHC_DMA_SNOOP 0x00000040 -#define ESDHC_HOST_CONTROL_RES 0x05 +#define ESDHC_HOST_CONTROL_RES 0x01 #endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */ diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c index 9cd5fc62f130..946d37f94a31 100644 --- a/drivers/mmc/host/sdhci-pxav3.c +++ b/drivers/mmc/host/sdhci-pxav3.c @@ -411,6 +411,7 @@ static int sdhci_pxav3_probe(struct platform_device *pdev) goto err_of_parse; sdhci_get_of_property(pdev); pdata = pxav3_get_mmc_pdata(dev); + pdev->dev.platform_data = pdata; } else if (pdata) { /* on-chip device */ if (pdata->flags & PXA_FLAG_CARD_PERMANENT) diff --git a/drivers/mmc/host/sdhci-spear.c b/drivers/mmc/host/sdhci-spear.c index df088343d60f..255a896769b8 100644 --- a/drivers/mmc/host/sdhci-spear.c +++ b/drivers/mmc/host/sdhci-spear.c @@ -4,7 +4,7 @@ * Support of SDHCI platform devices for spear soc family * * Copyright (C) 2010 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * Inspired by sdhci-pltfm.c * @@ -211,5 +211,5 @@ static struct platform_driver sdhci_driver = { module_platform_driver(sdhci_driver); MODULE_DESCRIPTION("SPEAr Secure Digital Host Controller Interface driver"); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index bc1445238fb3..1dbe93232030 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2866,6 +2866,7 @@ int sdhci_add_host(struct sdhci_host *host) u32 max_current_caps; unsigned int ocr_avail; unsigned int override_timeout_clk; + u32 max_clk; int ret; WARN_ON(host == NULL); @@ -2978,8 +2979,11 @@ int sdhci_add_host(struct sdhci_host *host) GFP_KERNEL); host->align_buffer = kmalloc(host->align_buffer_sz, GFP_KERNEL); if (!host->adma_table || !host->align_buffer) { - dma_free_coherent(mmc_dev(mmc), host->adma_table_sz, - host->adma_table, host->adma_addr); + if (host->adma_table) + dma_free_coherent(mmc_dev(mmc), + host->adma_table_sz, + host->adma_table, + host->adma_addr); kfree(host->align_buffer); pr_warn("%s: Unable to allocate ADMA buffers - falling back to standard DMA\n", mmc_hostname(mmc)); @@ -3047,18 +3051,22 @@ int sdhci_add_host(struct sdhci_host *host) * Set host parameters. */ mmc->ops = &sdhci_ops; - mmc->f_max = host->max_clk; + max_clk = host->max_clk; + if (host->ops->get_min_clock) mmc->f_min = host->ops->get_min_clock(host); else if (host->version >= SDHCI_SPEC_300) { if (host->clk_mul) { mmc->f_min = (host->max_clk * host->clk_mul) / 1024; - mmc->f_max = host->max_clk * host->clk_mul; + max_clk = host->max_clk * host->clk_mul; } else mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_300; } else mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_200; + if (!mmc->f_max || (mmc->f_max && (mmc->f_max > max_clk))) + mmc->f_max = max_clk; + if (!(host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)) { host->timeout_clk = (caps[0] & SDHCI_TIMEOUT_CLK_MASK) >> SDHCI_TIMEOUT_CLK_SHIFT; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 19eb990d398c..a98dd4f1b0e3 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -625,6 +625,23 @@ static void bond_set_dev_addr(struct net_device *bond_dev, call_netdevice_notifiers(NETDEV_CHANGEADDR, bond_dev); } +static struct slave *bond_get_old_active(struct bonding *bond, + struct slave *new_active) +{ + struct slave *slave; + struct list_head *iter; + + bond_for_each_slave(bond, slave, iter) { + if (slave == new_active) + continue; + + if (ether_addr_equal(bond->dev->dev_addr, slave->dev->dev_addr)) + return slave; + } + + return NULL; +} + /* bond_do_fail_over_mac * * Perform special MAC address swapping for fail_over_mac settings @@ -652,6 +669,9 @@ static void bond_do_fail_over_mac(struct bonding *bond, if (!new_active) return; + if (!old_active) + old_active = bond_get_old_active(bond, new_active); + if (old_active) { ether_addr_copy(tmp_mac, new_active->dev->dev_addr); ether_addr_copy(saddr.sa_data, @@ -689,40 +709,57 @@ out: } -static bool bond_should_change_active(struct bonding *bond) +static struct slave *bond_choose_primary_or_current(struct bonding *bond) { struct slave *prim = rtnl_dereference(bond->primary_slave); struct slave *curr = rtnl_dereference(bond->curr_active_slave); - if (!prim || !curr || curr->link != BOND_LINK_UP) - return true; + if (!prim || prim->link != BOND_LINK_UP) { + if (!curr || curr->link != BOND_LINK_UP) + return NULL; + return curr; + } + if (bond->force_primary) { bond->force_primary = false; - return true; + return prim; + } + + if (!curr || curr->link != BOND_LINK_UP) + return prim; + + /* At this point, prim and curr are both up */ + switch (bond->params.primary_reselect) { + case BOND_PRI_RESELECT_ALWAYS: + return prim; + case BOND_PRI_RESELECT_BETTER: + if (prim->speed < curr->speed) + return curr; + if (prim->speed == curr->speed && prim->duplex <= curr->duplex) + return curr; + return prim; + case BOND_PRI_RESELECT_FAILURE: + return curr; + default: + netdev_err(bond->dev, "impossible primary_reselect %d\n", + bond->params.primary_reselect); + return curr; } - if (bond->params.primary_reselect == BOND_PRI_RESELECT_BETTER && - (prim->speed < curr->speed || - (prim->speed == curr->speed && prim->duplex <= curr->duplex))) - return false; - if (bond->params.primary_reselect == BOND_PRI_RESELECT_FAILURE) - return false; - return true; } /** - * find_best_interface - select the best available slave to be the active one + * bond_find_best_slave - select the best available slave to be the active one * @bond: our bonding struct */ static struct slave *bond_find_best_slave(struct bonding *bond) { - struct slave *slave, *bestslave = NULL, *primary; + struct slave *slave, *bestslave = NULL; struct list_head *iter; int mintime = bond->params.updelay; - primary = rtnl_dereference(bond->primary_slave); - if (primary && primary->link == BOND_LINK_UP && - bond_should_change_active(bond)) - return primary; + slave = bond_choose_primary_or_current(bond); + if (slave) + return slave; bond_for_each_slave(bond, slave, iter) { if (slave->link == BOND_LINK_UP) @@ -749,6 +786,7 @@ static bool bond_should_notify_peers(struct bonding *bond) slave ? slave->dev->name : "NULL"); if (!slave || !bond->send_peer_notif || + !netif_carrier_ok(bond->dev) || test_bit(__LINK_STATE_LINKWATCH_PENDING, &slave->dev->state)) return false; @@ -1708,9 +1746,16 @@ err_free: err_undo_flags: /* Enslave of first slave has failed and we need to fix master's mac */ - if (!bond_has_slaves(bond) && - ether_addr_equal_64bits(bond_dev->dev_addr, slave_dev->dev_addr)) - eth_hw_addr_random(bond_dev); + if (!bond_has_slaves(bond)) { + if (ether_addr_equal_64bits(bond_dev->dev_addr, + slave_dev->dev_addr)) + eth_hw_addr_random(bond_dev); + if (bond_dev->type != ARPHRD_ETHER) { + ether_setup(bond_dev); + bond_dev->flags |= IFF_MASTER; + bond_dev->priv_flags &= ~IFF_TX_SKB_SHARING; + } + } return res; } @@ -1899,6 +1944,7 @@ static int bond_release_and_destroy(struct net_device *bond_dev, bond_dev->priv_flags |= IFF_DISABLE_NETPOLL; netdev_info(bond_dev, "Destroying bond %s\n", bond_dev->name); + bond_remove_proc_entry(bond); unregister_netdevice(bond_dev); } return ret; diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index f4e40aa4d2a2..945c0955a967 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -577,10 +577,10 @@ static void at91_rx_overflow_err(struct net_device *dev) cf->can_id |= CAN_ERR_CRTL; cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW; - netif_receive_skb(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_receive_skb(skb); } /** @@ -642,10 +642,10 @@ static void at91_read_msg(struct net_device *dev, unsigned int mb) } at91_read_mb(dev, mb, cf); - netif_receive_skb(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_receive_skb(skb); can_led_event(dev, CAN_LED_EVENT_RX); } @@ -802,10 +802,10 @@ static int at91_poll_err(struct net_device *dev, int quota, u32 reg_sr) return 0; at91_poll_err_frame(dev, cf, reg_sr); - netif_receive_skb(skb); dev->stats.rx_packets++; dev->stats.rx_bytes += cf->can_dlc; + netif_receive_skb(skb); return 1; } @@ -1067,10 +1067,10 @@ static void at91_irq_err(struct net_device *dev) return; at91_irq_err_state(dev, cf, new_state); - netif_rx(skb); dev->stats.rx_packets++; dev->stats.rx_bytes += cf->can_dlc; + netif_rx(skb); priv->can.state = new_state; } diff --git a/drivers/net/can/bfin_can.c b/drivers/net/can/bfin_can.c index 27ad312e7abf..57dadd52b428 100644 --- a/drivers/net/can/bfin_can.c +++ b/drivers/net/can/bfin_can.c @@ -424,10 +424,9 @@ static void bfin_can_rx(struct net_device *dev, u16 isrc) cf->data[6 - i] = (6 - i) < cf->can_dlc ? (val >> 8) : 0; } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } static int bfin_can_err(struct net_device *dev, u16 isrc, u16 status) @@ -508,10 +507,9 @@ static int bfin_can_err(struct net_device *dev, u16 isrc, u16 status) priv->can.state = state; - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index 041525d2595c..5d214d135332 100644 --- a/drivers/net/can/c_can/c_can.c +++ b/drivers/net/can/c_can/c_can.c @@ -592,6 +592,7 @@ static int c_can_start(struct net_device *dev) { struct c_can_priv *priv = netdev_priv(dev); int err; + struct pinctrl *p; /* basic c_can configuration */ err = c_can_chip_config(dev); @@ -604,8 +605,13 @@ static int c_can_start(struct net_device *dev) priv->can.state = CAN_STATE_ERROR_ACTIVE; - /* activate pins */ - pinctrl_pm_select_default_state(dev->dev.parent); + /* Attempt to use "active" if available else use "default" */ + p = pinctrl_get_select(priv->device, "active"); + if (!IS_ERR(p)) + pinctrl_put(p); + else + pinctrl_pm_select_default_state(priv->device); + return 0; } diff --git a/drivers/net/can/cc770/cc770.c b/drivers/net/can/cc770/cc770.c index c11d44984036..70a8cbb29e75 100644 --- a/drivers/net/can/cc770/cc770.c +++ b/drivers/net/can/cc770/cc770.c @@ -504,10 +504,10 @@ static void cc770_rx(struct net_device *dev, unsigned int mo, u8 ctrl1) for (i = 0; i < cf->can_dlc; i++) cf->data[i] = cc770_read_reg(priv, msgobj[mo].data[i]); } - netif_rx(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } static int cc770_err(struct net_device *dev, u8 status) @@ -584,10 +584,10 @@ static int cc770_err(struct net_device *dev, u8 status) } } - netif_rx(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index e9b1810d319f..aede704605c6 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -440,9 +440,6 @@ unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx) struct can_frame *cf = (struct can_frame *)skb->data; u8 dlc = cf->can_dlc; - if (!(skb->tstamp.tv64)) - __net_timestamp(skb); - netif_rx(priv->echo_skb[idx]); priv->echo_skb[idx] = NULL; @@ -578,7 +575,6 @@ struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf) if (unlikely(!skb)) return NULL; - __net_timestamp(skb); skb->protocol = htons(ETH_P_CAN); skb->pkt_type = PACKET_BROADCAST; skb->ip_summed = CHECKSUM_UNNECESSARY; @@ -589,6 +585,7 @@ struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf) can_skb_reserve(skb); can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; *cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame)); memset(*cf, 0, sizeof(struct can_frame)); @@ -607,7 +604,6 @@ struct sk_buff *alloc_canfd_skb(struct net_device *dev, if (unlikely(!skb)) return NULL; - __net_timestamp(skb); skb->protocol = htons(ETH_P_CANFD); skb->pkt_type = PACKET_BROADCAST; skb->ip_summed = CHECKSUM_UNNECESSARY; @@ -618,6 +614,7 @@ struct sk_buff *alloc_canfd_skb(struct net_device *dev, can_skb_reserve(skb); can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; *cfd = (struct canfd_frame *)skb_put(skb, sizeof(struct canfd_frame)); memset(*cfd, 0, sizeof(struct canfd_frame)); diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 6201c5a1a884..b1e8d729851c 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -577,10 +577,10 @@ static int flexcan_poll_bus_err(struct net_device *dev, u32 reg_esr) return 0; do_bus_err(dev, cf, reg_esr); - netif_receive_skb(skb); dev->stats.rx_packets++; dev->stats.rx_bytes += cf->can_dlc; + netif_receive_skb(skb); return 1; } @@ -622,10 +622,9 @@ static int flexcan_poll_state(struct net_device *dev, u32 reg_esr) if (unlikely(new_state == CAN_STATE_BUS_OFF)) can_bus_off(dev); - netif_receive_skb(skb); - dev->stats.rx_packets++; dev->stats.rx_bytes += cf->can_dlc; + netif_receive_skb(skb); return 1; } @@ -670,10 +669,10 @@ static int flexcan_read_frame(struct net_device *dev) } flexcan_read_fifo(dev, cf); - netif_receive_skb(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_receive_skb(skb); can_led_event(dev, CAN_LED_EVENT_RX); diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c index e3d7e22a4fa0..db9538d4b358 100644 --- a/drivers/net/can/grcan.c +++ b/drivers/net/can/grcan.c @@ -1216,11 +1216,12 @@ static int grcan_receive(struct net_device *dev, int budget) cf->data[i] = (u8)(slot[j] >> shift); } } - netif_receive_skb(skb); /* Update statistics and read pointer */ stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_receive_skb(skb); + rd = grcan_ring_add(rd, GRCAN_MSG_SIZE, dma->rx.size); } diff --git a/drivers/net/can/rcar_can.c b/drivers/net/can/rcar_can.c index 7deb80dcbe8c..7bd54191f962 100644 --- a/drivers/net/can/rcar_can.c +++ b/drivers/net/can/rcar_can.c @@ -508,7 +508,8 @@ static int rcar_can_open(struct net_device *ndev) err = clk_prepare_enable(priv->clk); if (err) { - netdev_err(ndev, "failed to enable periperal clock, error %d\n", + netdev_err(ndev, + "failed to enable peripheral clock, error %d\n", err); goto out; } @@ -526,7 +527,8 @@ static int rcar_can_open(struct net_device *ndev) napi_enable(&priv->napi); err = request_irq(ndev->irq, rcar_can_interrupt, 0, ndev->name, ndev); if (err) { - netdev_err(ndev, "error requesting interrupt %x\n", ndev->irq); + netdev_err(ndev, "request_irq(%d) failed, error %d\n", + ndev->irq, err); goto out_close; } can_led_event(ndev, CAN_LED_EVENT_OPEN); @@ -758,8 +760,9 @@ static int rcar_can_probe(struct platform_device *pdev) } irq = platform_get_irq(pdev, 0); - if (!irq) { + if (irq < 0) { dev_err(&pdev->dev, "No IRQ resource\n"); + err = irq; goto fail; } @@ -782,7 +785,8 @@ static int rcar_can_probe(struct platform_device *pdev) priv->clk = devm_clk_get(&pdev->dev, "clkp1"); if (IS_ERR(priv->clk)) { err = PTR_ERR(priv->clk); - dev_err(&pdev->dev, "cannot get peripheral clock: %d\n", err); + dev_err(&pdev->dev, "cannot get peripheral clock, error %d\n", + err); goto fail_clk; } @@ -794,7 +798,7 @@ static int rcar_can_probe(struct platform_device *pdev) priv->can_clk = devm_clk_get(&pdev->dev, clock_names[clock_select]); if (IS_ERR(priv->can_clk)) { err = PTR_ERR(priv->can_clk); - dev_err(&pdev->dev, "cannot get CAN clock: %d\n", err); + dev_err(&pdev->dev, "cannot get CAN clock, error %d\n", err); goto fail_clk; } @@ -823,7 +827,7 @@ static int rcar_can_probe(struct platform_device *pdev) devm_can_led_init(ndev); - dev_info(&pdev->dev, "device registered (reg_base=%p, irq=%u)\n", + dev_info(&pdev->dev, "device registered (regs @ %p, IRQ%d)\n", priv->regs, ndev->irq); return 0; diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index 32bd7f451aa4..7b92e911a616 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -377,10 +377,9 @@ static void sja1000_rx(struct net_device *dev) /* release receive buffer */ sja1000_write_cmdreg(priv, CMD_RRB); - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); can_led_event(dev, CAN_LED_EVENT_RX); } @@ -484,10 +483,9 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status) can_bus_off(dev); } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index f64f5290d6f8..9a3f15cb7ef4 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -207,7 +207,6 @@ static void slc_bump(struct slcan *sl) if (!skb) return; - __net_timestamp(skb); skb->dev = sl->dev; skb->protocol = htons(ETH_P_CAN); skb->pkt_type = PACKET_BROADCAST; @@ -215,13 +214,14 @@ static void slc_bump(struct slcan *sl) can_skb_reserve(skb); can_skb_prv(skb)->ifindex = sl->dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; memcpy(skb_put(skb, sizeof(struct can_frame)), &cf, sizeof(struct can_frame)); - netif_rx_ni(skb); sl->dev->stats.rx_packets++; sl->dev->stats.rx_bytes += cf.can_dlc; + netif_rx_ni(skb); } /* parse tty input stream */ diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index c1a95a34d62e..b7e83c212023 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -1086,8 +1086,8 @@ static int mcp251x_can_probe(struct spi_device *spi) if (ret) goto out_clk; - priv->power = devm_regulator_get(&spi->dev, "vdd"); - priv->transceiver = devm_regulator_get(&spi->dev, "xceiver"); + priv->power = devm_regulator_get_optional(&spi->dev, "vdd"); + priv->transceiver = devm_regulator_get_optional(&spi->dev, "xceiver"); if ((PTR_ERR(priv->power) == -EPROBE_DEFER) || (PTR_ERR(priv->transceiver) == -EPROBE_DEFER)) { ret = -EPROBE_DEFER; @@ -1222,17 +1222,16 @@ static int __maybe_unused mcp251x_can_resume(struct device *dev) struct spi_device *spi = to_spi_device(dev); struct mcp251x_priv *priv = spi_get_drvdata(spi); - if (priv->after_suspend & AFTER_SUSPEND_POWER) { + if (priv->after_suspend & AFTER_SUSPEND_POWER) mcp251x_power_enable(priv->power, 1); + + if (priv->after_suspend & AFTER_SUSPEND_UP) { + mcp251x_power_enable(priv->transceiver, 1); queue_work(priv->wq, &priv->restart_work); } else { - if (priv->after_suspend & AFTER_SUSPEND_UP) { - mcp251x_power_enable(priv->transceiver, 1); - queue_work(priv->wq, &priv->restart_work); - } else { - priv->after_suspend = 0; - } + priv->after_suspend = 0; } + priv->force_quit = 0; enable_irq(spi->irq); return 0; diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index e95a9e1a889f..cf345cbfe819 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -747,9 +747,9 @@ static int ti_hecc_error(struct net_device *ndev, int int_status, } } - netif_rx(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c index 866bac0ae7e9..2d390384ef3b 100644 --- a/drivers/net/can/usb/ems_usb.c +++ b/drivers/net/can/usb/ems_usb.c @@ -324,10 +324,9 @@ static void ems_usb_rx_can_msg(struct ems_usb *dev, struct ems_cpc_msg *msg) cf->data[i] = msg->msg.can_msg.msg[i]; } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg) @@ -400,10 +399,9 @@ static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg) stats->rx_errors++; } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } /* diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c index 411c1af92c62..0e5a4493ba4f 100644 --- a/drivers/net/can/usb/esd_usb2.c +++ b/drivers/net/can/usb/esd_usb2.c @@ -301,13 +301,12 @@ static void esd_usb2_rx_event(struct esd_usb2_net_priv *priv, cf->data[7] = rxerr; } - netif_rx(skb); - priv->bec.txerr = txerr; priv->bec.rxerr = rxerr; stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } } @@ -347,10 +346,9 @@ static void esd_usb2_rx_can_msg(struct esd_usb2_net_priv *priv, cf->data[i] = msg->msg.rx.data[i]; } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } return; diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c index 72427f21edff..6b94007ae052 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb.c @@ -526,9 +526,9 @@ static int pcan_usb_decode_error(struct pcan_usb_msg_context *mc, u8 n, hwts->hwtstamp = timeval_to_ktime(tv); } - netif_rx(skb); mc->netdev->stats.rx_packets++; mc->netdev->stats.rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } @@ -659,12 +659,11 @@ static int pcan_usb_decode_data(struct pcan_usb_msg_context *mc, u8 status_len) hwts = skb_hwtstamps(skb); hwts->hwtstamp = timeval_to_ktime(tv); - /* push the skb */ - netif_rx(skb); - /* update statistics */ mc->netdev->stats.rx_packets++; mc->netdev->stats.rx_bytes += cf->can_dlc; + /* push the skb */ + netif_rx(skb); return 0; diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c index dec51717635e..7d61b3279798 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c @@ -553,9 +553,9 @@ static int pcan_usb_pro_handle_canmsg(struct pcan_usb_pro_interface *usb_if, hwts = skb_hwtstamps(skb); hwts->hwtstamp = timeval_to_ktime(tv); - netif_rx(skb); netdev->stats.rx_packets++; netdev->stats.rx_bytes += can_frame->can_dlc; + netif_rx(skb); return 0; } @@ -670,9 +670,9 @@ static int pcan_usb_pro_handle_error(struct pcan_usb_pro_interface *usb_if, peak_usb_get_ts_tv(&usb_if->time_ref, le32_to_cpu(er->ts32), &tv); hwts = skb_hwtstamps(skb); hwts->hwtstamp = timeval_to_ktime(tv); - netif_rx(skb); netdev->stats.rx_packets++; netdev->stats.rx_bytes += can_frame->can_dlc; + netif_rx(skb); return 0; } diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c index dd52c7a4c80d..de95b1ccba3e 100644 --- a/drivers/net/can/usb/usb_8dev.c +++ b/drivers/net/can/usb/usb_8dev.c @@ -461,10 +461,9 @@ static void usb_8dev_rx_err_msg(struct usb_8dev_priv *priv, priv->bec.txerr = txerr; priv->bec.rxerr = rxerr; - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } /* Read data and status frames */ @@ -494,10 +493,9 @@ static void usb_8dev_rx_can_msg(struct usb_8dev_priv *priv, else memcpy(cf->data, msg->data, cf->can_dlc); - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); can_led_event(priv->netdev, CAN_LED_EVENT_RX); } else { diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c index 0ce868de855d..674f367087c5 100644 --- a/drivers/net/can/vcan.c +++ b/drivers/net/can/vcan.c @@ -78,9 +78,6 @@ static void vcan_rx(struct sk_buff *skb, struct net_device *dev) skb->dev = dev; skb->ip_summed = CHECKSUM_UNNECESSARY; - if (!(skb->tstamp.tv64)) - __net_timestamp(skb); - netif_rx_ni(skb); } diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 972982f8bea7..079897b3a955 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -696,9 +696,20 @@ static int bcm_sf2_sw_setup(struct dsa_switch *ds) } /* Include the pseudo-PHY address and the broadcast PHY address to - * divert reads towards our workaround + * divert reads towards our workaround. This is only required for + * 7445D0, since 7445E0 disconnects the internal switch pseudo-PHY such + * that we can use the regular SWITCH_MDIO master controller instead. + * + * By default, DSA initializes ds->phys_mii_mask to ds->phys_port_mask + * to have a 1:1 mapping between Port address and PHY address in order + * to utilize the slave_mii_bus instance to read from Port PHYs. This is + * not what we want here, so we initialize phys_mii_mask 0 to always + * utilize the "master" MDIO bus backed by the "mdio-unimac" driver. */ - ds->phys_mii_mask |= ((1 << BRCM_PSEUDO_PHY_ADDR) | (1 << 0)); + if (of_machine_is_compatible("brcm,bcm7445d0")) + ds->phys_mii_mask |= ((1 << BRCM_PSEUDO_PHY_ADDR) | (1 << 0)); + else + ds->phys_mii_mask = 0; rev = reg_readl(priv, REG_SWITCH_REVISION); priv->hw_params.top_rev = (rev >> SWITCH_TOP_REV_SHIFT) & diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index fd8547c2b79d..561342466076 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -1163,7 +1163,7 @@ int mv88e6xxx_leave_bridge(struct dsa_switch *ds, int port, u32 br_port_mask) newfid = __ffs(ps->fid_mask); ps->fid[port] = newfid; - ps->fid_mask &= (1 << newfid); + ps->fid_mask &= ~(1 << newfid); ps->bridge_mask[fid] &= ~(1 << port); ps->bridge_mask[newfid] = 1 << port; diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c index 41095ebad97f..753887d02b46 100644 --- a/drivers/net/ethernet/3com/3c59x.c +++ b/drivers/net/ethernet/3com/3c59x.c @@ -1763,16 +1763,9 @@ vortex_open(struct net_device *dev) vp->rx_ring[i].addr = cpu_to_le32(pci_map_single(VORTEX_PCI(vp), skb->data, PKT_BUF_SZ, PCI_DMA_FROMDEVICE)); } if (i != RX_RING_SIZE) { - int j; pr_emerg("%s: no memory for rx ring\n", dev->name); - for (j = 0; j < i; j++) { - if (vp->rx_skbuff[j]) { - dev_kfree_skb(vp->rx_skbuff[j]); - vp->rx_skbuff[j] = NULL; - } - } retval = -ENOMEM; - goto err_free_irq; + goto err_free_skb; } /* Wrap the ring. */ vp->rx_ring[i-1].next = cpu_to_le32(vp->rx_ring_dma); @@ -1782,7 +1775,13 @@ vortex_open(struct net_device *dev) if (!retval) goto out; -err_free_irq: +err_free_skb: + for (i = 0; i < RX_RING_SIZE; i++) { + if (vp->rx_skbuff[i]) { + dev_kfree_skb(vp->rx_skbuff[i]); + vp->rx_skbuff[i] = NULL; + } + } free_irq(dev->irq, dev); err: if (vortex_debug > 1) @@ -2382,6 +2381,7 @@ boomerang_interrupt(int irq, void *dev_id) void __iomem *ioaddr; int status; int work_done = max_interrupt_work; + int handled = 0; ioaddr = vp->ioaddr; @@ -2400,6 +2400,7 @@ boomerang_interrupt(int irq, void *dev_id) if ((status & IntLatch) == 0) goto handler_exit; /* No interrupt: shared IRQs can cause this */ + handled = 1; if (status == 0xffff) { /* h/w no longer present (hotplug)? */ if (vortex_debug > 1) @@ -2501,7 +2502,7 @@ boomerang_interrupt(int irq, void *dev_id) handler_exit: vp->handling_irq = 0; spin_unlock(&vp->lock); - return IRQ_HANDLED; + return IRQ_RETVAL(handled); } static int vortex_rx(struct net_device *dev) diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c index 661cdaa7ea96..b3bc87fe3764 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c @@ -303,7 +303,8 @@ static void xgbe_set_buffer_data(struct xgbe_buffer_data *bd, get_page(pa->pages); bd->pa = *pa; - bd->dma = pa->pages_dma + pa->pages_offset; + bd->dma_base = pa->pages_dma; + bd->dma_off = pa->pages_offset; bd->dma_len = len; pa->pages_offset += len; diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index 506e832c9e9a..a4473d8ff4fa 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -1110,6 +1110,7 @@ static void xgbe_rx_desc_reset(struct xgbe_prv_data *pdata, unsigned int rx_usecs = pdata->rx_usecs; unsigned int rx_frames = pdata->rx_frames; unsigned int inte; + dma_addr_t hdr_dma, buf_dma; if (!rx_usecs && !rx_frames) { /* No coalescing, interrupt for every descriptor */ @@ -1129,10 +1130,12 @@ static void xgbe_rx_desc_reset(struct xgbe_prv_data *pdata, * Set buffer 2 (hi) address to buffer dma address (hi) and * set control bits OWN and INTE */ - rdesc->desc0 = cpu_to_le32(lower_32_bits(rdata->rx.hdr.dma)); - rdesc->desc1 = cpu_to_le32(upper_32_bits(rdata->rx.hdr.dma)); - rdesc->desc2 = cpu_to_le32(lower_32_bits(rdata->rx.buf.dma)); - rdesc->desc3 = cpu_to_le32(upper_32_bits(rdata->rx.buf.dma)); + hdr_dma = rdata->rx.hdr.dma_base + rdata->rx.hdr.dma_off; + buf_dma = rdata->rx.buf.dma_base + rdata->rx.buf.dma_off; + rdesc->desc0 = cpu_to_le32(lower_32_bits(hdr_dma)); + rdesc->desc1 = cpu_to_le32(upper_32_bits(hdr_dma)); + rdesc->desc2 = cpu_to_le32(lower_32_bits(buf_dma)); + rdesc->desc3 = cpu_to_le32(upper_32_bits(buf_dma)); XGMAC_SET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, INTE, inte); diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index 1e9c28d19ef8..aae9d5ecd182 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -1765,8 +1765,9 @@ static struct sk_buff *xgbe_create_skb(struct xgbe_prv_data *pdata, /* Start with the header buffer which may contain just the header * or the header plus data */ - dma_sync_single_for_cpu(pdata->dev, rdata->rx.hdr.dma, - rdata->rx.hdr.dma_len, DMA_FROM_DEVICE); + dma_sync_single_range_for_cpu(pdata->dev, rdata->rx.hdr.dma_base, + rdata->rx.hdr.dma_off, + rdata->rx.hdr.dma_len, DMA_FROM_DEVICE); packet = page_address(rdata->rx.hdr.pa.pages) + rdata->rx.hdr.pa.pages_offset; @@ -1778,8 +1779,11 @@ static struct sk_buff *xgbe_create_skb(struct xgbe_prv_data *pdata, len -= copy_len; if (len) { /* Add the remaining data as a frag */ - dma_sync_single_for_cpu(pdata->dev, rdata->rx.buf.dma, - rdata->rx.buf.dma_len, DMA_FROM_DEVICE); + dma_sync_single_range_for_cpu(pdata->dev, + rdata->rx.buf.dma_base, + rdata->rx.buf.dma_off, + rdata->rx.buf.dma_len, + DMA_FROM_DEVICE); skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rdata->rx.buf.pa.pages, @@ -1945,8 +1949,9 @@ read_again: if (!skb) error = 1; } else if (rdesc_len) { - dma_sync_single_for_cpu(pdata->dev, - rdata->rx.buf.dma, + dma_sync_single_range_for_cpu(pdata->dev, + rdata->rx.buf.dma_base, + rdata->rx.buf.dma_off, rdata->rx.buf.dma_len, DMA_FROM_DEVICE); diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h index 63d72a140053..717ce21b6077 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe.h @@ -337,7 +337,8 @@ struct xgbe_buffer_data { struct xgbe_page_alloc pa; struct xgbe_page_alloc pa_unmap; - dma_addr_t dma; + dma_addr_t dma_base; + unsigned long dma_off; unsigned int dma_len; }; diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 909ad7a0d480..4566cdf0bc39 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1793,7 +1793,7 @@ static int bcm_sysport_probe(struct platform_device *pdev) macaddr = of_get_mac_address(dn); if (!macaddr || !is_valid_ether_addr(macaddr)) { dev_warn(&pdev->dev, "using random Ethernet MAC\n"); - random_ether_addr(dev->dev_addr); + eth_hw_addr_random(dev); } else { ether_addr_copy(dev->dev_addr, macaddr); } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index a90d7364334f..f7fbdc9d1325 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -262,9 +262,9 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata, if (likely(skb)) { (*pkts_compl)++; (*bytes_compl) += skb->len; + dev_kfree_skb_any(skb); } - dev_kfree_skb_any(skb); tx_buf->first_bd = 0; tx_buf->skb = NULL; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index 76b9052a961c..5907c821d131 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -1718,6 +1718,22 @@ static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf, offset += sizeof(u32); data_buf += sizeof(u32); written_so_far += sizeof(u32); + + /* At end of each 4Kb page, release nvram lock to allow MFW + * chance to take it for its own use. + */ + if ((cmd_flags & MCPR_NVM_COMMAND_LAST) && + (written_so_far < buf_size)) { + DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, + "Releasing NVM lock after offset 0x%x\n", + (u32)(offset - sizeof(u32))); + bnx2x_release_nvram_lock(bp); + usleep_range(1000, 2000); + rc = bnx2x_acquire_nvram_lock(bp); + if (rc) + return rc; + } + cmd_flags = 0; } diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index b43b2cb9b830..64c1e9db6b0b 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1230,7 +1230,6 @@ static struct sk_buff *bcmgenet_put_tx_csum(struct net_device *dev, new_skb = skb_realloc_headroom(skb, sizeof(*status)); dev_kfree_skb(skb); if (!new_skb) { - dev->stats.tx_errors++; dev->stats.tx_dropped++; return NULL; } @@ -1465,7 +1464,6 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring, if (unlikely(!skb)) { dev->stats.rx_dropped++; - dev->stats.rx_errors++; goto next; } @@ -1493,7 +1491,6 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring, if (unlikely(!(dma_flag & DMA_EOP) || !(dma_flag & DMA_SOP))) { netif_err(priv, rx_status, dev, "dropping fragmented packet!\n"); - dev->stats.rx_dropped++; dev->stats.rx_errors++; dev_kfree_skb_any(skb); goto next; @@ -1515,7 +1512,6 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring, dev->stats.rx_frame_errors++; if (dma_flag & DMA_RX_LG) dev->stats.rx_length_errors++; - dev->stats.rx_dropped++; dev->stats.rx_errors++; dev_kfree_skb_any(skb); goto next; diff --git a/drivers/net/ethernet/broadcom/sb1250-mac.c b/drivers/net/ethernet/broadcom/sb1250-mac.c index ac27e24264a5..f557a2aaec23 100644 --- a/drivers/net/ethernet/broadcom/sb1250-mac.c +++ b/drivers/net/ethernet/broadcom/sb1250-mac.c @@ -1508,16 +1508,7 @@ static void sbmac_channel_start(struct sbmac_softc *s) __raw_writeq(reg, port); port = s->sbm_base + R_MAC_ETHERNET_ADDR; -#ifdef CONFIG_SB1_PASS_1_WORKAROUNDS - /* - * Pass1 SOCs do not receive packets addressed to the - * destination address in the R_MAC_ETHERNET_ADDR register. - * Set the value to zero. - */ - __raw_writeq(0, port); -#else __raw_writeq(reg, port); -#endif /* * Set the receive filter for no packets, and write values diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index 0612b19f6313..506047c38607 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -676,6 +676,7 @@ bnad_cq_process(struct bnad *bnad, struct bna_ccb *ccb, int budget) if (!next_cmpl->valid) break; } + packets++; /* TODO: BNA_CQ_EF_LOCAL ? */ if (unlikely(flags & (BNA_CQ_EF_MAC_ERROR | @@ -692,7 +693,6 @@ bnad_cq_process(struct bnad *bnad, struct bna_ccb *ccb, int budget) else bnad_cq_setup_skb_frags(rcb, skb, sop_ci, nvecs, len); - packets++; rcb->rxq->rx_packets++; rcb->rxq->rx_bytes += totlen; ccb->bytes_per_intr += totlen; diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index caeb39561567..bf9eb2ecf960 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -104,6 +104,57 @@ static void *macb_rx_buffer(struct macb *bp, unsigned int index) return bp->rx_buffers + bp->rx_buffer_size * macb_rx_ring_wrap(index); } +/* I/O accessors */ +static u32 hw_readl_native(struct macb *bp, int offset) +{ + return __raw_readl(bp->regs + offset); +} + +static void hw_writel_native(struct macb *bp, int offset, u32 value) +{ + __raw_writel(value, bp->regs + offset); +} + +static u32 hw_readl(struct macb *bp, int offset) +{ + return readl_relaxed(bp->regs + offset); +} + +static void hw_writel(struct macb *bp, int offset, u32 value) +{ + writel_relaxed(value, bp->regs + offset); +} + +/* + * Find the CPU endianness by using the loopback bit of NCR register. When the + * CPU is in big endian we need to program swaped mode for management + * descriptor access. + */ +static bool hw_is_native_io(void __iomem *addr) +{ + u32 value = MACB_BIT(LLB); + + __raw_writel(value, addr + MACB_NCR); + value = __raw_readl(addr + MACB_NCR); + + /* Write 0 back to disable everything */ + __raw_writel(0, addr + MACB_NCR); + + return value == MACB_BIT(LLB); +} + +static bool hw_is_gem(void __iomem *addr, bool native_io) +{ + u32 id; + + if (native_io) + id = __raw_readl(addr + MACB_MID); + else + id = readl_relaxed(addr + MACB_MID); + + return MACB_BFEXT(IDNUM, id) >= 0x2; +} + static void macb_set_hwaddr(struct macb *bp) { u32 bottom; @@ -160,7 +211,7 @@ static void macb_get_hwaddr(struct macb *bp) } } - netdev_info(bp->dev, "invalid hw address, using random\n"); + dev_info(&bp->pdev->dev, "invalid hw address, using random\n"); eth_hw_addr_random(bp->dev); } @@ -252,7 +303,6 @@ static void macb_handle_link_change(struct net_device *dev) struct macb *bp = netdev_priv(dev); struct phy_device *phydev = bp->phy_dev; unsigned long flags; - int status_change = 0; spin_lock_irqsave(&bp->lock, flags); @@ -449,14 +499,14 @@ err_out: static void macb_update_stats(struct macb *bp) { - u32 __iomem *reg = bp->regs + MACB_PFR; u32 *p = &bp->hw_stats.macb.rx_pause_frames; u32 *end = &bp->hw_stats.macb.tx_pause_frames + 1; + int offset = MACB_PFR; WARN_ON((unsigned long)(end - p - 1) != (MACB_TPF - MACB_PFR) / 4); - for(; p < end; p++, reg++) - *p += readl_relaxed(reg); + for(; p < end; p++, offset += 4) + *p += bp->macb_reg_readl(bp, offset); } static int macb_halt_tx(struct macb *bp) @@ -1107,12 +1157,6 @@ static void macb_poll_controller(struct net_device *dev) } #endif -static inline unsigned int macb_count_tx_descriptors(struct macb *bp, - unsigned int len) -{ - return (len + bp->max_tx_length - 1) / bp->max_tx_length; -} - static unsigned int macb_tx_map(struct macb *bp, struct macb_queue *queue, struct sk_buff *skb) @@ -1263,11 +1307,11 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev) * socket buffer: skb fragments of jumbo frames may need to be * splitted into many buffer descriptors. */ - count = macb_count_tx_descriptors(bp, skb_headlen(skb)); + count = DIV_ROUND_UP(skb_headlen(skb), bp->max_tx_length); nr_frags = skb_shinfo(skb)->nr_frags; for (f = 0; f < nr_frags; f++) { frag_size = skb_frag_size(&skb_shinfo(skb)->frags[f]); - count += macb_count_tx_descriptors(bp, frag_size); + count += DIV_ROUND_UP(frag_size, bp->max_tx_length); } spin_lock_irqsave(&bp->lock, flags); @@ -1603,7 +1647,6 @@ static u32 macb_dbw(struct macb *bp) static void macb_configure_dma(struct macb *bp) { u32 dmacfg; - u32 tmp, ncr; if (macb_is_gem(bp)) { dmacfg = gem_readl(bp, DMACFG) & ~GEM_BF(RXBS, -1L); @@ -1613,22 +1656,11 @@ static void macb_configure_dma(struct macb *bp) dmacfg |= GEM_BIT(TXPBMS) | GEM_BF(RXBMS, -1L); dmacfg &= ~GEM_BIT(ENDIA_PKT); - /* Find the CPU endianness by using the loopback bit of net_ctrl - * register. save it first. When the CPU is in big endian we - * need to program swaped mode for management descriptor access. - */ - ncr = macb_readl(bp, NCR); - __raw_writel(MACB_BIT(LLB), bp->regs + MACB_NCR); - tmp = __raw_readl(bp->regs + MACB_NCR); - - if (tmp == MACB_BIT(LLB)) + if (bp->native_io) dmacfg &= ~GEM_BIT(ENDIA_DESC); else dmacfg |= GEM_BIT(ENDIA_DESC); /* CPU in big endian */ - /* Restore net_ctrl */ - macb_writel(bp, NCR, ncr); - if (bp->dev->features & NETIF_F_HW_CSUM) dmacfg |= GEM_BIT(TXCOEN); else @@ -1897,19 +1929,19 @@ static int macb_change_mtu(struct net_device *dev, int new_mtu) static void gem_update_stats(struct macb *bp) { - int i; + unsigned int i; u32 *p = &bp->hw_stats.gem.tx_octets_31_0; for (i = 0; i < GEM_STATS_LEN; ++i, ++p) { u32 offset = gem_statistics[i].offset; - u64 val = readl_relaxed(bp->regs + offset); + u64 val = bp->macb_reg_readl(bp, offset); bp->ethtool_stats[i] += val; *p += val; if (offset == GEM_OCTTXL || offset == GEM_OCTRXL) { /* Add GEM_OCTTXH, GEM_OCTRXH */ - val = readl_relaxed(bp->regs + offset + 4); + val = bp->macb_reg_readl(bp, offset + 4); bp->ethtool_stats[i] += ((u64)val) << 32; *(++p) += val; } @@ -1976,7 +2008,7 @@ static int gem_get_sset_count(struct net_device *dev, int sset) static void gem_get_ethtool_strings(struct net_device *dev, u32 sset, u8 *p) { - int i; + unsigned int i; switch (sset) { case ETH_SS_STATS: @@ -2190,7 +2222,7 @@ static void macb_configure_caps(struct macb *bp, const struct macb_config *dt_co if (dt_conf) bp->caps = dt_conf->caps; - if (macb_is_gem_hw(bp->regs)) { + if (hw_is_gem(bp->regs, bp->native_io)) { bp->caps |= MACB_CAPS_MACB_IS_GEM; dcfg = gem_readl(bp, DCFG1); @@ -2201,10 +2233,11 @@ static void macb_configure_caps(struct macb *bp, const struct macb_config *dt_co bp->caps |= MACB_CAPS_FIFO_MODE; } - netdev_dbg(bp->dev, "Cadence caps 0x%08x\n", bp->caps); + dev_dbg(&bp->pdev->dev, "Cadence caps 0x%08x\n", bp->caps); } static void macb_probe_queues(void __iomem *mem, + bool native_io, unsigned int *queue_mask, unsigned int *num_queues) { @@ -2219,7 +2252,7 @@ static void macb_probe_queues(void __iomem *mem, * we are early in the probe process and don't have the * MACB_CAPS_MACB_IS_GEM flag positioned */ - if (!macb_is_gem_hw(mem)) + if (!hw_is_gem(mem, native_io)) return; /* bit 0 is never set but queue 0 always exists */ @@ -2786,6 +2819,7 @@ static int macb_probe(struct platform_device *pdev) struct clk *pclk, *hclk, *tx_clk; unsigned int queue_mask, num_queues; struct macb_platform_data *pdata; + bool native_io; struct phy_device *phydev; struct net_device *dev; struct resource *regs; @@ -2794,6 +2828,11 @@ static int macb_probe(struct platform_device *pdev) struct macb *bp; int err; + regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); + mem = devm_ioremap_resource(&pdev->dev, regs); + if (IS_ERR(mem)) + return PTR_ERR(mem); + if (np) { const struct of_device_id *match; @@ -2809,14 +2848,9 @@ static int macb_probe(struct platform_device *pdev) if (err) return err; - regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - mem = devm_ioremap_resource(&pdev->dev, regs); - if (IS_ERR(mem)) { - err = PTR_ERR(mem); - goto err_disable_clocks; - } + native_io = hw_is_native_io(mem); - macb_probe_queues(mem, &queue_mask, &num_queues); + macb_probe_queues(mem, native_io, &queue_mask, &num_queues); dev = alloc_etherdev_mq(sizeof(*bp), num_queues); if (!dev) { err = -ENOMEM; @@ -2831,6 +2865,14 @@ static int macb_probe(struct platform_device *pdev) bp->pdev = pdev; bp->dev = dev; bp->regs = mem; + bp->native_io = native_io; + if (native_io) { + bp->macb_reg_readl = hw_readl_native; + bp->macb_reg_writel = hw_writel_native; + } else { + bp->macb_reg_readl = hw_readl; + bp->macb_reg_writel = hw_writel; + } bp->num_queues = num_queues; bp->queue_mask = queue_mask; if (macb_config) @@ -2838,9 +2880,8 @@ static int macb_probe(struct platform_device *pdev) bp->pclk = pclk; bp->hclk = hclk; bp->tx_clk = tx_clk; - if (macb_config->jumbo_max_len) { + if (macb_config) bp->jumbo_max_len = macb_config->jumbo_max_len; - } spin_lock_init(&bp->lock); diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index d74655993d4b..1895b6b2addd 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -429,18 +429,12 @@ | GEM_BF(name, value)) /* Register access macros */ -#define macb_readl(port,reg) \ - readl_relaxed((port)->regs + MACB_##reg) -#define macb_writel(port,reg,value) \ - writel_relaxed((value), (port)->regs + MACB_##reg) -#define gem_readl(port, reg) \ - readl_relaxed((port)->regs + GEM_##reg) -#define gem_writel(port, reg, value) \ - writel_relaxed((value), (port)->regs + GEM_##reg) -#define queue_readl(queue, reg) \ - readl_relaxed((queue)->bp->regs + (queue)->reg) -#define queue_writel(queue, reg, value) \ - writel_relaxed((value), (queue)->bp->regs + (queue)->reg) +#define macb_readl(port, reg) (port)->macb_reg_readl((port), MACB_##reg) +#define macb_writel(port, reg, value) (port)->macb_reg_writel((port), MACB_##reg, (value)) +#define gem_readl(port, reg) (port)->macb_reg_readl((port), GEM_##reg) +#define gem_writel(port, reg, value) (port)->macb_reg_writel((port), GEM_##reg, (value)) +#define queue_readl(queue, reg) (queue)->bp->macb_reg_readl((queue)->bp, (queue)->reg) +#define queue_writel(queue, reg, value) (queue)->bp->macb_reg_writel((queue)->bp, (queue)->reg, (value)) /* Conditional GEM/MACB macros. These perform the operation to the correct * register dependent on whether the device is a GEM or a MACB. For registers @@ -785,6 +779,11 @@ struct macb_queue { struct macb { void __iomem *regs; + bool native_io; + + /* hardware IO accessors */ + u32 (*macb_reg_readl)(struct macb *bp, int offset); + void (*macb_reg_writel)(struct macb *bp, int offset, u32 value); unsigned int rx_tail; unsigned int rx_prepared_head; @@ -817,9 +816,9 @@ struct macb { struct mii_bus *mii_bus; struct phy_device *phy_dev; - unsigned int link; - unsigned int speed; - unsigned int duplex; + int link; + int speed; + int duplex; u32 caps; unsigned int dma_burst_length; @@ -843,9 +842,4 @@ static inline bool macb_is_gem(struct macb *bp) return !!(bp->caps & MACB_CAPS_MACB_IS_GEM); } -static inline bool macb_is_gem_hw(void __iomem *addr) -{ - return !!(MACB_BFEXT(IDNUM, readl_relaxed(addr + MACB_MID)) >= 0x2); -} - #endif /* _MACB_H */ diff --git a/drivers/net/ethernet/cavium/Kconfig b/drivers/net/ethernet/cavium/Kconfig index c4d6bbe9458d..02e23e6f1424 100644 --- a/drivers/net/ethernet/cavium/Kconfig +++ b/drivers/net/ethernet/cavium/Kconfig @@ -16,7 +16,6 @@ if NET_VENDOR_CAVIUM config THUNDER_NIC_PF tristate "Thunder Physical function driver" depends on 64BIT - default ARCH_THUNDER select THUNDER_NIC_BGX ---help--- This driver supports Thunder's NIC physical function. @@ -29,14 +28,12 @@ config THUNDER_NIC_PF config THUNDER_NIC_VF tristate "Thunder Virtual function driver" depends on 64BIT - default ARCH_THUNDER ---help--- This driver supports Thunder's NIC virtual function config THUNDER_NIC_BGX tristate "Thunder MAC interface driver (BGX)" depends on 64BIT - default ARCH_THUNDER ---help--- This driver supports programming and controlling of MAC interface from NIC physical function driver. diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h index dda8a02b7322..8aee250904ec 100644 --- a/drivers/net/ethernet/cavium/thunder/nic.h +++ b/drivers/net/ethernet/cavium/thunder/nic.h @@ -125,6 +125,15 @@ */ #define NICPF_CLK_PER_INT_TICK 2 +/* Time to wait before we decide that a SQ is stuck. + * + * Since both pkt rx and tx notifications are done with same CQ, + * when packets are being received at very high rate (eg: L2 forwarding) + * then freeing transmitted skbs will be delayed and watchdog + * will kick in, resetting interface. Hence keeping this value high. + */ +#define NICVF_TX_TIMEOUT (50 * HZ) + struct nicvf_cq_poll { u8 cq_idx; /* Completion queue index */ struct napi_struct napi; @@ -216,8 +225,9 @@ struct nicvf_drv_stats { /* Tx */ u64 tx_frames_ok; u64 tx_drops; - u64 tx_busy; u64 tx_tso; + u64 txq_stop; + u64 txq_wake; }; struct nicvf { diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c index 16bd2d772db9..a4228e664567 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c @@ -66,9 +66,10 @@ static const struct nicvf_stat nicvf_drv_stats[] = { NICVF_DRV_STAT(rx_frames_jumbo), NICVF_DRV_STAT(rx_drops), NICVF_DRV_STAT(tx_frames_ok), - NICVF_DRV_STAT(tx_busy), NICVF_DRV_STAT(tx_tso), NICVF_DRV_STAT(tx_drops), + NICVF_DRV_STAT(txq_stop), + NICVF_DRV_STAT(txq_wake), }; static const struct nicvf_stat nicvf_queue_stats[] = { @@ -126,6 +127,7 @@ static void nicvf_set_msglevel(struct net_device *netdev, u32 lvl) static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data) { + struct nicvf *nic = netdev_priv(netdev); int stats, qidx; if (sset != ETH_SS_STATS) @@ -141,7 +143,7 @@ static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data) data += ETH_GSTRING_LEN; } - for (qidx = 0; qidx < MAX_RCV_QUEUES_PER_QS; qidx++) { + for (qidx = 0; qidx < nic->qs->rq_cnt; qidx++) { for (stats = 0; stats < nicvf_n_queue_stats; stats++) { sprintf(data, "rxq%d: %s", qidx, nicvf_queue_stats[stats].name); @@ -149,7 +151,7 @@ static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data) } } - for (qidx = 0; qidx < MAX_SND_QUEUES_PER_QS; qidx++) { + for (qidx = 0; qidx < nic->qs->sq_cnt; qidx++) { for (stats = 0; stats < nicvf_n_queue_stats; stats++) { sprintf(data, "txq%d: %s", qidx, nicvf_queue_stats[stats].name); @@ -170,12 +172,14 @@ static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data) static int nicvf_get_sset_count(struct net_device *netdev, int sset) { + struct nicvf *nic = netdev_priv(netdev); + if (sset != ETH_SS_STATS) return -EINVAL; return nicvf_n_hw_stats + nicvf_n_drv_stats + (nicvf_n_queue_stats * - (MAX_RCV_QUEUES_PER_QS + MAX_SND_QUEUES_PER_QS)) + + (nic->qs->rq_cnt + nic->qs->sq_cnt)) + BGX_RX_STATS_COUNT + BGX_TX_STATS_COUNT; } @@ -197,13 +201,13 @@ static void nicvf_get_ethtool_stats(struct net_device *netdev, *(data++) = ((u64 *)&nic->drv_stats) [nicvf_drv_stats[stat].index]; - for (qidx = 0; qidx < MAX_RCV_QUEUES_PER_QS; qidx++) { + for (qidx = 0; qidx < nic->qs->rq_cnt; qidx++) { for (stat = 0; stat < nicvf_n_queue_stats; stat++) *(data++) = ((u64 *)&nic->qs->rq[qidx].stats) [nicvf_queue_stats[stat].index]; } - for (qidx = 0; qidx < MAX_SND_QUEUES_PER_QS; qidx++) { + for (qidx = 0; qidx < nic->qs->sq_cnt; qidx++) { for (stat = 0; stat < nicvf_n_queue_stats; stat++) *(data++) = ((u64 *)&nic->qs->sq[qidx].stats) [nicvf_queue_stats[stat].index]; @@ -543,6 +547,7 @@ static int nicvf_set_channels(struct net_device *dev, { struct nicvf *nic = netdev_priv(dev); int err = 0; + bool if_up = netif_running(dev); if (!channel->rx_count || !channel->tx_count) return -EINVAL; @@ -551,6 +556,9 @@ static int nicvf_set_channels(struct net_device *dev, if (channel->tx_count > MAX_SND_QUEUES_PER_QS) return -EINVAL; + if (if_up) + nicvf_stop(dev); + nic->qs->rq_cnt = channel->rx_count; nic->qs->sq_cnt = channel->tx_count; nic->qs->cq_cnt = max(nic->qs->rq_cnt, nic->qs->sq_cnt); @@ -559,11 +567,9 @@ static int nicvf_set_channels(struct net_device *dev, if (err) return err; - if (!netif_running(dev)) - return err; + if (if_up) + nicvf_open(dev); - nicvf_stop(dev); - nicvf_open(dev); netdev_info(dev, "Setting num Tx rings to %d, Rx rings to %d success\n", nic->qs->sq_cnt, nic->qs->rq_cnt); diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index 8b119a035b7e..3b90afb8c293 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -234,7 +234,7 @@ static void nicvf_handle_mbx_intr(struct nicvf *nic) nic->duplex == DUPLEX_FULL ? "Full duplex" : "Half duplex"); netif_carrier_on(nic->netdev); - netif_tx_wake_all_queues(nic->netdev); + netif_tx_start_all_queues(nic->netdev); } else { netdev_info(nic->netdev, "%s: Link is Down\n", nic->netdev->name); @@ -425,6 +425,7 @@ static void nicvf_snd_pkt_handler(struct net_device *netdev, if (skb) { prefetch(skb); dev_consume_skb_any(skb); + sq->skbuff[cqe_tx->sqe_ptr] = (u64)NULL; } } @@ -476,12 +477,13 @@ static void nicvf_rcv_pkt_handler(struct net_device *netdev, static int nicvf_cq_intr_handler(struct net_device *netdev, u8 cq_idx, struct napi_struct *napi, int budget) { - int processed_cqe, work_done = 0; + int processed_cqe, work_done = 0, tx_done = 0; int cqe_count, cqe_head; struct nicvf *nic = netdev_priv(netdev); struct queue_set *qs = nic->qs; struct cmp_queue *cq = &qs->cq[cq_idx]; struct cqe_rx_t *cq_desc; + struct netdev_queue *txq; spin_lock_bh(&cq->lock); loop: @@ -496,8 +498,8 @@ loop: cqe_head = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_HEAD, cq_idx) >> 9; cqe_head &= 0xFFFF; - netdev_dbg(nic->netdev, "%s cqe_count %d cqe_head %d\n", - __func__, cqe_count, cqe_head); + netdev_dbg(nic->netdev, "%s CQ%d cqe_count %d cqe_head %d\n", + __func__, cq_idx, cqe_count, cqe_head); while (processed_cqe < cqe_count) { /* Get the CQ descriptor */ cq_desc = (struct cqe_rx_t *)GET_CQ_DESC(cq, cqe_head); @@ -511,8 +513,8 @@ loop: break; } - netdev_dbg(nic->netdev, "cq_desc->cqe_type %d\n", - cq_desc->cqe_type); + netdev_dbg(nic->netdev, "CQ%d cq_desc->cqe_type %d\n", + cq_idx, cq_desc->cqe_type); switch (cq_desc->cqe_type) { case CQE_TYPE_RX: nicvf_rcv_pkt_handler(netdev, napi, cq, @@ -522,6 +524,7 @@ loop: case CQE_TYPE_SEND: nicvf_snd_pkt_handler(netdev, cq, (void *)cq_desc, CQE_TYPE_SEND); + tx_done++; break; case CQE_TYPE_INVALID: case CQE_TYPE_RX_SPLIT: @@ -532,8 +535,9 @@ loop: } processed_cqe++; } - netdev_dbg(nic->netdev, "%s processed_cqe %d work_done %d budget %d\n", - __func__, processed_cqe, work_done, budget); + netdev_dbg(nic->netdev, + "%s CQ%d processed_cqe %d work_done %d budget %d\n", + __func__, cq_idx, processed_cqe, work_done, budget); /* Ring doorbell to inform H/W to reuse processed CQEs */ nicvf_queue_reg_write(nic, NIC_QSET_CQ_0_7_DOOR, @@ -543,6 +547,19 @@ loop: goto loop; done: + /* Wakeup TXQ if its stopped earlier due to SQ full */ + if (tx_done) { + txq = netdev_get_tx_queue(netdev, cq_idx); + if (netif_tx_queue_stopped(txq)) { + netif_tx_start_queue(txq); + nic->drv_stats.txq_wake++; + if (netif_msg_tx_err(nic)) + netdev_warn(netdev, + "%s: Transmit queue wakeup SQ%d\n", + netdev->name, cq_idx); + } + } + spin_unlock_bh(&cq->lock); return work_done; } @@ -554,15 +571,10 @@ static int nicvf_poll(struct napi_struct *napi, int budget) struct net_device *netdev = napi->dev; struct nicvf *nic = netdev_priv(netdev); struct nicvf_cq_poll *cq; - struct netdev_queue *txq; cq = container_of(napi, struct nicvf_cq_poll, napi); work_done = nicvf_cq_intr_handler(netdev, cq->cq_idx, napi, budget); - txq = netdev_get_tx_queue(netdev, cq->cq_idx); - if (netif_tx_queue_stopped(txq)) - netif_tx_wake_queue(txq); - if (work_done < budget) { /* Slow packet rate, exit polling */ napi_complete(napi); @@ -833,9 +845,9 @@ static netdev_tx_t nicvf_xmit(struct sk_buff *skb, struct net_device *netdev) return NETDEV_TX_OK; } - if (!nicvf_sq_append_skb(nic, skb) && !netif_tx_queue_stopped(txq)) { + if (!netif_tx_queue_stopped(txq) && !nicvf_sq_append_skb(nic, skb)) { netif_tx_stop_queue(txq); - nic->drv_stats.tx_busy++; + nic->drv_stats.txq_stop++; if (netif_msg_tx_err(nic)) netdev_warn(netdev, "%s: Transmit ring full, stopping SQ%d\n", @@ -859,7 +871,6 @@ int nicvf_stop(struct net_device *netdev) nicvf_send_msg_to_pf(nic, &mbx); netif_carrier_off(netdev); - netif_tx_disable(netdev); /* Disable RBDR & QS error interrupts */ for (qidx = 0; qidx < qs->rbdr_cnt; qidx++) { @@ -894,6 +905,8 @@ int nicvf_stop(struct net_device *netdev) kfree(cq_poll); } + netif_tx_disable(netdev); + /* Free resources */ nicvf_config_data_transfer(nic, false); @@ -988,6 +1001,9 @@ int nicvf_open(struct net_device *netdev) for (qidx = 0; qidx < qs->rbdr_cnt; qidx++) nicvf_enable_intr(nic, NICVF_INTR_RBDR, qidx); + nic->drv_stats.txq_stop = 0; + nic->drv_stats.txq_wake = 0; + netif_carrier_on(netdev); netif_tx_start_all_queues(netdev); @@ -1278,6 +1294,7 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->hw_features = netdev->features; netdev->netdev_ops = &nicvf_netdev_ops; + netdev->watchdog_timeo = NICVF_TX_TIMEOUT; INIT_WORK(&nic->reset_task, nicvf_reset_task); @@ -1318,11 +1335,17 @@ static void nicvf_remove(struct pci_dev *pdev) pci_disable_device(pdev); } +static void nicvf_shutdown(struct pci_dev *pdev) +{ + nicvf_remove(pdev); +} + static struct pci_driver nicvf_driver = { .name = DRV_NAME, .id_table = nicvf_id_table, .probe = nicvf_probe, .remove = nicvf_remove, + .shutdown = nicvf_shutdown, }; static int __init nicvf_init_module(void) diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index d69d228d11a0..ca4240aa6d15 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -103,9 +103,11 @@ static inline int nicvf_alloc_rcv_buffer(struct nicvf *nic, gfp_t gfp, /* Allocate a new page */ if (!nic->rb_page) { - nic->rb_page = alloc_pages(gfp | __GFP_COMP, order); + nic->rb_page = alloc_pages(gfp | __GFP_COMP | __GFP_NOWARN, + order); if (!nic->rb_page) { - netdev_err(nic->netdev, "Failed to allocate new rcv buffer\n"); + netdev_err(nic->netdev, + "Failed to allocate new rcv buffer\n"); return -ENOMEM; } nic->rb_page_offset = 0; @@ -382,7 +384,8 @@ static void nicvf_free_snd_queue(struct nicvf *nic, struct snd_queue *sq) return; if (sq->tso_hdrs) - dma_free_coherent(&nic->pdev->dev, sq->dmem.q_len, + dma_free_coherent(&nic->pdev->dev, + sq->dmem.q_len * TSO_HEADER_SIZE, sq->tso_hdrs, sq->tso_hdrs_phys); kfree(sq->skbuff); @@ -863,10 +866,11 @@ void nicvf_sq_free_used_descs(struct net_device *netdev, struct snd_queue *sq, continue; } skb = (struct sk_buff *)sq->skbuff[sq->head]; + if (skb) + dev_kfree_skb_any(skb); atomic64_add(1, (atomic64_t *)&netdev->stats.tx_packets); atomic64_add(hdr->tot_len, (atomic64_t *)&netdev->stats.tx_bytes); - dev_kfree_skb_any(skb); nicvf_put_sq_desc(sq, hdr->subdesc_cnt + 1); } } @@ -992,7 +996,7 @@ static inline void nicvf_sq_add_gather_subdesc(struct snd_queue *sq, int qentry, memset(gather, 0, SND_QUEUE_DESC_SIZE); gather->subdesc_type = SQ_DESC_TYPE_GATHER; - gather->ld_type = NIC_SEND_LD_TYPE_E_LDWB; + gather->ld_type = NIC_SEND_LD_TYPE_E_LDD; gather->size = size; gather->addr = data; } @@ -1048,7 +1052,7 @@ static int nicvf_sq_append_tso(struct nicvf *nic, struct snd_queue *sq, } nicvf_sq_add_hdr_subdesc(sq, hdr_qentry, seg_subdescs - 1, skb, seg_len); - sq->skbuff[hdr_qentry] = 0; + sq->skbuff[hdr_qentry] = (u64)NULL; qentry = nicvf_get_nxt_sqentry(sq, qentry); desc_cnt += seg_subdescs; @@ -1062,6 +1066,7 @@ static int nicvf_sq_append_tso(struct nicvf *nic, struct snd_queue *sq, /* Inform HW to xmit all TSO segments */ nicvf_queue_reg_write(nic, NIC_QSET_SQ_0_7_DOOR, skb_get_queue_mapping(skb), desc_cnt); + nic->drv_stats.tx_tso++; return 1; } diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h index 8341bdf755d1..f0937b7bfe9f 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h @@ -62,7 +62,7 @@ #define SND_QUEUE_CNT 8 #define CMP_QUEUE_CNT 8 /* Max of RCV and SND qcount */ -#define SND_QSIZE SND_QUEUE_SIZE4 +#define SND_QSIZE SND_QUEUE_SIZE2 #define SND_QUEUE_LEN (1ULL << (SND_QSIZE + 10)) #define MAX_SND_QUEUE_LEN (1ULL << (SND_QUEUE_SIZE6 + 10)) #define SND_QUEUE_THRESH 2ULL @@ -70,7 +70,10 @@ /* Since timestamp not enabled, otherwise 2 */ #define MAX_CQE_PER_PKT_XMIT 1 -#define CMP_QSIZE CMP_QUEUE_SIZE4 +/* Keep CQ and SQ sizes same, if timestamping + * is enabled this equation will change. + */ +#define CMP_QSIZE CMP_QUEUE_SIZE2 #define CMP_QUEUE_LEN (1ULL << (CMP_QSIZE + 10)) #define CMP_QUEUE_CQE_THRESH 0 #define CMP_QUEUE_TIMER_THRESH 220 /* 10usec */ @@ -87,7 +90,12 @@ #define MAX_CQES_FOR_TX ((SND_QUEUE_LEN / MIN_SQ_DESC_PER_PKT_XMIT) * \ MAX_CQE_PER_PKT_XMIT) -#define RQ_CQ_DROP ((CMP_QUEUE_LEN - MAX_CQES_FOR_TX) / 256) +/* Calculate number of CQEs to reserve for all SQEs. + * Its 1/256th level of CQ size. + * '+ 1' to account for pipelining + */ +#define RQ_CQ_DROP ((256 / (CMP_QUEUE_LEN / \ + (CMP_QUEUE_LEN - MAX_CQES_FOR_TX))) + 1) /* Descriptor size in bytes */ #define SND_QUEUE_DESC_SIZE 16 diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c index 633ec05dfe05..b961a89dc626 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c @@ -673,7 +673,10 @@ static void bgx_lmac_disable(struct bgx *bgx, u8 lmacid) bgx_reg_write(bgx, lmacid, BGX_CMRX_CFG, cmrx_cfg); bgx_flush_dmac_addrs(bgx, lmacid); - if (lmac->phydev) + if ((bgx->lmac_type != BGX_MODE_XFI) && + (bgx->lmac_type != BGX_MODE_XLAUI) && + (bgx->lmac_type != BGX_MODE_40G_KR) && + (bgx->lmac_type != BGX_MODE_10G_KR) && lmac->phydev) phy_disconnect(lmac->phydev); lmac->phydev = NULL; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c index 484eb8c37489..c3c7db41819d 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c @@ -952,16 +952,23 @@ static int devlog_show(struct seq_file *seq, void *v) * eventually have to put a format interpreter in here ... */ seq_printf(seq, "%10d %15llu %8s %8s ", - e->seqno, e->timestamp, + be32_to_cpu(e->seqno), + be64_to_cpu(e->timestamp), (e->level < ARRAY_SIZE(devlog_level_strings) ? devlog_level_strings[e->level] : "UNKNOWN"), (e->facility < ARRAY_SIZE(devlog_facility_strings) ? devlog_facility_strings[e->facility] : "UNKNOWN")); - seq_printf(seq, e->fmt, e->params[0], e->params[1], - e->params[2], e->params[3], e->params[4], - e->params[5], e->params[6], e->params[7]); + seq_printf(seq, e->fmt, + be32_to_cpu(e->params[0]), + be32_to_cpu(e->params[1]), + be32_to_cpu(e->params[2]), + be32_to_cpu(e->params[3]), + be32_to_cpu(e->params[4]), + be32_to_cpu(e->params[5]), + be32_to_cpu(e->params[6]), + be32_to_cpu(e->params[7])); } return 0; } @@ -1043,23 +1050,17 @@ static int devlog_open(struct inode *inode, struct file *file) return ret; } - /* Translate log multi-byte integral elements into host native format - * and determine where the first entry in the log is. + /* Find the earliest (lowest Sequence Number) log entry in the + * circular Device Log. */ for (fseqno = ~((u32)0), index = 0; index < dinfo->nentries; index++) { struct fw_devlog_e *e = &dinfo->log[index]; - int i; __u32 seqno; if (e->timestamp == 0) continue; - e->timestamp = (__force __be64)be64_to_cpu(e->timestamp); seqno = be32_to_cpu(e->seqno); - for (i = 0; i < 8; i++) - e->params[i] = - (__force __be32)be32_to_cpu(e->params[i]); - if (seqno < fseqno) { fseqno = seqno; dinfo->first = index; @@ -2331,10 +2332,11 @@ int t4_setup_debugfs(struct adapter *adap) EXT_MEM1_SIZE_G(size)); } } else { - if (i & EXT_MEM_ENABLE_F) + if (i & EXT_MEM_ENABLE_F) { size = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A); add_debugfs_mem(adap, "mc", MEM_MC, EXT_MEM_SIZE_G(size)); + } } de = debugfs_create_file_size("flash", S_IRUSR, adap->debugfs_root, adap, diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index da2004e2a741..918a8e42139b 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1170,7 +1170,7 @@ static int enic_poll(struct napi_struct *napi, int budget) wq_work_done, 0 /* dont unmask intr */, 0 /* dont reset intr timer */); - return rq_work_done; + return budget; } if (budget > 0) @@ -1191,6 +1191,7 @@ static int enic_poll(struct napi_struct *napi, int budget) 0 /* don't reset intr timer */); err = vnic_rq_fill(&enic->rq[0], enic_rq_alloc_buf); + enic_poll_unlock_napi(&enic->rq[cq_rq], napi); /* Buffer allocation failed. Stay in polling * mode so we can try to fill the ring again. @@ -1208,7 +1209,6 @@ static int enic_poll(struct napi_struct *napi, int budget) napi_complete(napi); vnic_intr_unmask(&enic->intr[intr]); } - enic_poll_unlock_napi(&enic->rq[cq_rq], napi); return rq_work_done; } diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h index 2716e6f30d9a..00e3a6b6b822 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.h +++ b/drivers/net/ethernet/emulex/benet/be_cmds.h @@ -620,6 +620,11 @@ enum be_if_flags { BE_IF_FLAGS_VLAN_PROMISCUOUS |\ BE_IF_FLAGS_MCAST_PROMISCUOUS) +#define BE_IF_EN_FLAGS (BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_PASS_L3L4_ERRORS |\ + BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_UNTAGGED) + +#define BE_IF_ALL_FILT_FLAGS (BE_IF_EN_FLAGS | BE_IF_FLAGS_ALL_PROMISCUOUS) + /* An RX interface is an object with one or more MAC addresses and * filtering capabilities. */ struct be_cmd_req_if_create { diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 6f642426308c..6ca693b03f33 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -273,6 +273,10 @@ static int be_mac_addr_set(struct net_device *netdev, void *p) if (ether_addr_equal(addr->sa_data, netdev->dev_addr)) return 0; + /* if device is not running, copy MAC to netdev->dev_addr */ + if (!netif_running(netdev)) + goto done; + /* The PMAC_ADD cmd may fail if the VF doesn't have FILTMGMT * privilege or if PF did not provision the new MAC address. * On BE3, this cmd will always fail if the VF doesn't have the @@ -307,9 +311,9 @@ static int be_mac_addr_set(struct net_device *netdev, void *p) status = -EPERM; goto err; } - - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - dev_info(dev, "MAC address changed to %pM\n", mac); +done: + ether_addr_copy(netdev->dev_addr, addr->sa_data); + dev_info(dev, "MAC address changed to %pM\n", addr->sa_data); return 0; err: dev_warn(dev, "MAC address change to %pM failed\n", addr->sa_data); @@ -2447,10 +2451,24 @@ static void be_eq_clean(struct be_eq_obj *eqo) be_eq_notify(eqo->adapter, eqo->q.id, false, true, num, 0); } -static void be_rx_cq_clean(struct be_rx_obj *rxo) +/* Free posted rx buffers that were not used */ +static void be_rxq_clean(struct be_rx_obj *rxo) { - struct be_rx_page_info *page_info; struct be_queue_info *rxq = &rxo->q; + struct be_rx_page_info *page_info; + + while (atomic_read(&rxq->used) > 0) { + page_info = get_rx_page_info(rxo); + put_page(page_info->page); + memset(page_info, 0, sizeof(*page_info)); + } + BUG_ON(atomic_read(&rxq->used)); + rxq->tail = 0; + rxq->head = 0; +} + +static void be_rx_cq_clean(struct be_rx_obj *rxo) +{ struct be_queue_info *rx_cq = &rxo->cq; struct be_rx_compl_info *rxcp; struct be_adapter *adapter = rxo->adapter; @@ -2487,16 +2505,6 @@ static void be_rx_cq_clean(struct be_rx_obj *rxo) /* After cleanup, leave the CQ in unarmed state */ be_cq_notify(adapter, rx_cq->id, false, 0); - - /* Then free posted rx buffers that were not used */ - while (atomic_read(&rxq->used) > 0) { - page_info = get_rx_page_info(rxo); - put_page(page_info->page); - memset(page_info, 0, sizeof(*page_info)); - } - BUG_ON(atomic_read(&rxq->used)); - rxq->tail = 0; - rxq->head = 0; } static void be_tx_compl_clean(struct be_adapter *adapter) @@ -2576,8 +2584,8 @@ static void be_evt_queues_destroy(struct be_adapter *adapter) be_cmd_q_destroy(adapter, &eqo->q, QTYPE_EQ); napi_hash_del(&eqo->napi); netif_napi_del(&eqo->napi); + free_cpumask_var(eqo->affinity_mask); } - free_cpumask_var(eqo->affinity_mask); be_queue_free(adapter, &eqo->q); } } @@ -2594,13 +2602,7 @@ static int be_evt_queues_create(struct be_adapter *adapter) for_all_evt_queues(adapter, eqo, i) { int numa_node = dev_to_node(&adapter->pdev->dev); - if (!zalloc_cpumask_var(&eqo->affinity_mask, GFP_KERNEL)) - return -ENOMEM; - cpumask_set_cpu(cpumask_local_spread(i, numa_node), - eqo->affinity_mask); - netif_napi_add(adapter->netdev, &eqo->napi, be_poll, - BE_NAPI_WEIGHT); - napi_hash_add(&eqo->napi); + aic = &adapter->aic_obj[i]; eqo->adapter = adapter; eqo->idx = i; @@ -2616,6 +2618,14 @@ static int be_evt_queues_create(struct be_adapter *adapter) rc = be_cmd_eq_create(adapter, eqo); if (rc) return rc; + + if (!zalloc_cpumask_var(&eqo->affinity_mask, GFP_KERNEL)) + return -ENOMEM; + cpumask_set_cpu(cpumask_local_spread(i, numa_node), + eqo->affinity_mask); + netif_napi_add(adapter->netdev, &eqo->napi, be_poll, + BE_NAPI_WEIGHT); + napi_hash_add(&eqo->napi); } return 0; } @@ -3354,13 +3364,54 @@ static void be_rx_qs_destroy(struct be_adapter *adapter) for_all_rx_queues(adapter, rxo, i) { q = &rxo->q; if (q->created) { + /* If RXQs are destroyed while in an "out of buffer" + * state, there is a possibility of an HW stall on + * Lancer. So, post 64 buffers to each queue to relieve + * the "out of buffer" condition. + * Make sure there's space in the RXQ before posting. + */ + if (lancer_chip(adapter)) { + be_rx_cq_clean(rxo); + if (atomic_read(&q->used) == 0) + be_post_rx_frags(rxo, GFP_KERNEL, + MAX_RX_POST); + } + be_cmd_rxq_destroy(adapter, q); be_rx_cq_clean(rxo); + be_rxq_clean(rxo); } be_queue_free(adapter, q); } } +static void be_disable_if_filters(struct be_adapter *adapter) +{ + be_cmd_pmac_del(adapter, adapter->if_handle, + adapter->pmac_id[0], 0); + + be_clear_uc_list(adapter); + + /* The IFACE flags are enabled in the open path and cleared + * in the close path. When a VF gets detached from the host and + * assigned to a VM the following happens: + * - VF's IFACE flags get cleared in the detach path + * - IFACE create is issued by the VF in the attach path + * Due to a bug in the BE3/Skyhawk-R FW + * (Lancer FW doesn't have the bug), the IFACE capability flags + * specified along with the IFACE create cmd issued by a VF are not + * honoured by FW. As a consequence, if a *new* driver + * (that enables/disables IFACE flags in open/close) + * is loaded in the host and an *old* driver is * used by a VM/VF, + * the IFACE gets created *without* the needed flags. + * To avoid this, disable RX-filter flags only for Lancer. + */ + if (lancer_chip(adapter)) { + be_cmd_rx_filter(adapter, BE_IF_ALL_FILT_FLAGS, OFF); + adapter->if_flags &= ~BE_IF_ALL_FILT_FLAGS; + } +} + static int be_close(struct net_device *netdev) { struct be_adapter *adapter = netdev_priv(netdev); @@ -3373,6 +3424,8 @@ static int be_close(struct net_device *netdev) if (!(adapter->flags & BE_FLAGS_SETUP_DONE)) return 0; + be_disable_if_filters(adapter); + be_roce_dev_close(adapter); if (adapter->flags & BE_FLAGS_NAPI_ENABLED) { @@ -3392,7 +3445,6 @@ static int be_close(struct net_device *netdev) be_tx_compl_clean(adapter); be_rx_qs_destroy(adapter); - be_clear_uc_list(adapter); for_all_evt_queues(adapter, eqo, i) { if (msix_enabled(adapter)) @@ -3477,6 +3529,31 @@ static int be_rx_qs_create(struct be_adapter *adapter) return 0; } +static int be_enable_if_filters(struct be_adapter *adapter) +{ + int status; + + status = be_cmd_rx_filter(adapter, BE_IF_EN_FLAGS, ON); + if (status) + return status; + + /* For BE3 VFs, the PF programs the initial MAC address */ + if (!(BEx_chip(adapter) && be_virtfn(adapter))) { + status = be_cmd_pmac_add(adapter, adapter->netdev->dev_addr, + adapter->if_handle, + &adapter->pmac_id[0], 0); + if (status) + return status; + } + + if (adapter->vlans_added) + be_vid_config(adapter); + + be_set_rx_mode(adapter->netdev); + + return 0; +} + static int be_open(struct net_device *netdev) { struct be_adapter *adapter = netdev_priv(netdev); @@ -3490,6 +3567,10 @@ static int be_open(struct net_device *netdev) if (status) goto err; + status = be_enable_if_filters(adapter); + if (status) + goto err; + status = be_irq_register(adapter); if (status) goto err; @@ -3686,16 +3767,6 @@ static void be_cancel_err_detection(struct be_adapter *adapter) } } -static void be_mac_clear(struct be_adapter *adapter) -{ - if (adapter->pmac_id) { - be_cmd_pmac_del(adapter, adapter->if_handle, - adapter->pmac_id[0], 0); - kfree(adapter->pmac_id); - adapter->pmac_id = NULL; - } -} - #ifdef CONFIG_BE2NET_VXLAN static void be_disable_vxlan_offloads(struct be_adapter *adapter) { @@ -3770,8 +3841,8 @@ static int be_clear(struct be_adapter *adapter) #ifdef CONFIG_BE2NET_VXLAN be_disable_vxlan_offloads(adapter); #endif - /* delete the primary mac along with the uc-mac list */ - be_mac_clear(adapter); + kfree(adapter->pmac_id); + adapter->pmac_id = NULL; be_cmd_if_destroy(adapter, adapter->if_handle, 0); @@ -3782,25 +3853,11 @@ static int be_clear(struct be_adapter *adapter) return 0; } -static int be_if_create(struct be_adapter *adapter, u32 *if_handle, - u32 cap_flags, u32 vf) -{ - u32 en_flags; - - en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | - BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_PASS_L3L4_ERRORS | - BE_IF_FLAGS_RSS | BE_IF_FLAGS_DEFQ_RSS; - - en_flags &= cap_flags; - - return be_cmd_if_create(adapter, cap_flags, en_flags, if_handle, vf); -} - static int be_vfs_if_create(struct be_adapter *adapter) { struct be_resources res = {0}; + u32 cap_flags, en_flags, vf; struct be_vf_cfg *vf_cfg; - u32 cap_flags, vf; int status; /* If a FW profile exists, then cap_flags are updated */ @@ -3821,8 +3878,12 @@ static int be_vfs_if_create(struct be_adapter *adapter) } } - status = be_if_create(adapter, &vf_cfg->if_handle, - cap_flags, vf + 1); + en_flags = cap_flags & (BE_IF_FLAGS_UNTAGGED | + BE_IF_FLAGS_BROADCAST | + BE_IF_FLAGS_MULTICAST | + BE_IF_FLAGS_PASS_L3L4_ERRORS); + status = be_cmd_if_create(adapter, cap_flags, en_flags, + &vf_cfg->if_handle, vf + 1); if (status) return status; } @@ -4194,15 +4255,8 @@ static int be_mac_setup(struct be_adapter *adapter) memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); - } else { - /* Maybe the HW was reset; dev_addr must be re-programmed */ - memcpy(mac, adapter->netdev->dev_addr, ETH_ALEN); } - /* For BE3-R VFs, the PF programs the initial MAC address */ - if (!(BEx_chip(adapter) && be_virtfn(adapter))) - be_cmd_pmac_add(adapter, mac, adapter->if_handle, - &adapter->pmac_id[0], 0); return 0; } @@ -4342,6 +4396,7 @@ static int be_func_init(struct be_adapter *adapter) static int be_setup(struct be_adapter *adapter) { struct device *dev = &adapter->pdev->dev; + u32 en_flags; int status; status = be_func_init(adapter); @@ -4364,8 +4419,11 @@ static int be_setup(struct be_adapter *adapter) if (status) goto err; - status = be_if_create(adapter, &adapter->if_handle, - be_if_cap_flags(adapter), 0); + /* will enable all the needed filter flags in be_open() */ + en_flags = BE_IF_FLAGS_RSS | BE_IF_FLAGS_DEFQ_RSS; + en_flags = en_flags & be_if_cap_flags(adapter); + status = be_cmd_if_create(adapter, be_if_cap_flags(adapter), en_flags, + &adapter->if_handle, 0); if (status) goto err; @@ -4391,11 +4449,6 @@ static int be_setup(struct be_adapter *adapter) dev_err(dev, "Please upgrade firmware to version >= 4.0\n"); } - if (adapter->vlans_added) - be_vid_config(adapter); - - be_set_rx_mode(adapter->netdev); - status = be_cmd_set_flow_control(adapter, adapter->tx_fc, adapter->rx_fc); if (status) @@ -5121,7 +5174,7 @@ static void be_add_vxlan_port(struct net_device *netdev, sa_family_t sa_family, struct device *dev = &adapter->pdev->dev; int status; - if (lancer_chip(adapter) || BEx_chip(adapter)) + if (lancer_chip(adapter) || BEx_chip(adapter) || be_is_mc(adapter)) return; if (adapter->flags & BE_FLAGS_VXLAN_OFFLOADS) { @@ -5168,7 +5221,7 @@ static void be_del_vxlan_port(struct net_device *netdev, sa_family_t sa_family, { struct be_adapter *adapter = netdev_priv(netdev); - if (lancer_chip(adapter) || BEx_chip(adapter)) + if (lancer_chip(adapter) || BEx_chip(adapter) || be_is_mc(adapter)) return; if (adapter->vxlan_port != port) diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 1eee73cccdf5..99d33e2d35e6 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -562,6 +562,7 @@ struct fec_enet_private { }; void fec_ptp_init(struct platform_device *pdev); +void fec_ptp_stop(struct platform_device *pdev); void fec_ptp_start_cyclecounter(struct net_device *ndev); int fec_ptp_set(struct net_device *ndev, struct ifreq *ifr); int fec_ptp_get(struct net_device *ndev, struct ifreq *ifr); diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 1f89c59b4353..271bb5862346 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -24,6 +24,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/string.h> +#include <linux/pm_runtime.h> #include <linux/ptrace.h> #include <linux/errno.h> #include <linux/ioport.h> @@ -77,6 +78,7 @@ static void fec_enet_itr_coal_init(struct net_device *ndev); #define FEC_ENET_RAEM_V 0x8 #define FEC_ENET_RAFL_V 0x8 #define FEC_ENET_OPD_V 0xFFF0 +#define FEC_MDIO_PM_TIMEOUT 100 /* ms */ static struct platform_device_id fec_devtype[] = { { @@ -1767,7 +1769,13 @@ static void fec_enet_adjust_link(struct net_device *ndev) static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum) { struct fec_enet_private *fep = bus->priv; + struct device *dev = &fep->pdev->dev; unsigned long time_left; + int ret = 0; + + ret = pm_runtime_get_sync(dev); + if (IS_ERR_VALUE(ret)) + return ret; fep->mii_timeout = 0; init_completion(&fep->mdio_done); @@ -1783,18 +1791,30 @@ static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum) if (time_left == 0) { fep->mii_timeout = 1; netdev_err(fep->netdev, "MDIO read timeout\n"); - return -ETIMEDOUT; + ret = -ETIMEDOUT; + goto out; } - /* return value */ - return FEC_MMFR_DATA(readl(fep->hwp + FEC_MII_DATA)); + ret = FEC_MMFR_DATA(readl(fep->hwp + FEC_MII_DATA)); + +out: + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); + + return ret; } static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value) { struct fec_enet_private *fep = bus->priv; + struct device *dev = &fep->pdev->dev; unsigned long time_left; + int ret = 0; + + ret = pm_runtime_get_sync(dev); + if (IS_ERR_VALUE(ret)) + return ret; fep->mii_timeout = 0; init_completion(&fep->mdio_done); @@ -1811,10 +1831,13 @@ static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum, if (time_left == 0) { fep->mii_timeout = 1; netdev_err(fep->netdev, "MDIO write timeout\n"); - return -ETIMEDOUT; + ret = -ETIMEDOUT; } - return 0; + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); + + return ret; } static int fec_enet_clk_enable(struct net_device *ndev, bool enable) @@ -1826,9 +1849,6 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable) ret = clk_prepare_enable(fep->clk_ahb); if (ret) return ret; - ret = clk_prepare_enable(fep->clk_ipg); - if (ret) - goto failed_clk_ipg; if (fep->clk_enet_out) { ret = clk_prepare_enable(fep->clk_enet_out); if (ret) @@ -1852,7 +1872,6 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable) } } else { clk_disable_unprepare(fep->clk_ahb); - clk_disable_unprepare(fep->clk_ipg); if (fep->clk_enet_out) clk_disable_unprepare(fep->clk_enet_out); if (fep->clk_ptp) { @@ -1874,8 +1893,6 @@ failed_clk_ptp: if (fep->clk_enet_out) clk_disable_unprepare(fep->clk_enet_out); failed_clk_enet_out: - clk_disable_unprepare(fep->clk_ipg); -failed_clk_ipg: clk_disable_unprepare(fep->clk_ahb); return ret; @@ -2847,10 +2864,14 @@ fec_enet_open(struct net_device *ndev) struct fec_enet_private *fep = netdev_priv(ndev); int ret; + ret = pm_runtime_get_sync(&fep->pdev->dev); + if (IS_ERR_VALUE(ret)) + return ret; + pinctrl_pm_select_default_state(&fep->pdev->dev); ret = fec_enet_clk_enable(ndev, true); if (ret) - return ret; + goto clk_enable; /* I should reset the ring buffers here, but I don't yet know * a simple way to do that. @@ -2881,6 +2902,9 @@ err_enet_mii_probe: fec_enet_free_buffers(ndev); err_enet_alloc: fec_enet_clk_enable(ndev, false); +clk_enable: + pm_runtime_mark_last_busy(&fep->pdev->dev); + pm_runtime_put_autosuspend(&fep->pdev->dev); pinctrl_pm_select_sleep_state(&fep->pdev->dev); return ret; } @@ -2903,6 +2927,9 @@ fec_enet_close(struct net_device *ndev) fec_enet_clk_enable(ndev, false); pinctrl_pm_select_sleep_state(&fep->pdev->dev); + pm_runtime_mark_last_busy(&fep->pdev->dev); + pm_runtime_put_autosuspend(&fep->pdev->dev); + fec_enet_free_buffers(ndev); return 0; @@ -3115,8 +3142,8 @@ static int fec_enet_init(struct net_device *ndev) fep->bufdesc_size; /* Allocate memory for buffer descriptors. */ - cbd_base = dma_alloc_coherent(NULL, bd_size, &bd_dma, - GFP_KERNEL); + cbd_base = dmam_alloc_coherent(&fep->pdev->dev, bd_size, &bd_dma, + GFP_KERNEL); if (!cbd_base) { return -ENOMEM; } @@ -3388,6 +3415,10 @@ fec_probe(struct platform_device *pdev) if (ret) goto failed_clk; + ret = clk_prepare_enable(fep->clk_ipg); + if (ret) + goto failed_clk_ipg; + fep->reg_phy = devm_regulator_get(&pdev->dev, "phy"); if (!IS_ERR(fep->reg_phy)) { ret = regulator_enable(fep->reg_phy); @@ -3400,6 +3431,12 @@ fec_probe(struct platform_device *pdev) fep->reg_phy = NULL; } + pm_runtime_set_autosuspend_delay(&pdev->dev, FEC_MDIO_PM_TIMEOUT); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_get_noresume(&pdev->dev); + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); + fec_reset_phy(pdev); if (fep->bufdesc_ex) @@ -3447,6 +3484,10 @@ fec_probe(struct platform_device *pdev) fep->rx_copybreak = COPYBREAK_DEFAULT; INIT_WORK(&fep->tx_timeout_work, fec_enet_timeout_work); + + pm_runtime_mark_last_busy(&pdev->dev); + pm_runtime_put_autosuspend(&pdev->dev); + return 0; failed_register: @@ -3454,9 +3495,12 @@ failed_register: failed_mii_init: failed_irq: failed_init: + fec_ptp_stop(pdev); if (fep->reg_phy) regulator_disable(fep->reg_phy); failed_regulator: + clk_disable_unprepare(fep->clk_ipg); +failed_clk_ipg: fec_enet_clk_enable(ndev, false); failed_clk: failed_phy: @@ -3473,14 +3517,12 @@ fec_drv_remove(struct platform_device *pdev) struct net_device *ndev = platform_get_drvdata(pdev); struct fec_enet_private *fep = netdev_priv(ndev); - cancel_delayed_work_sync(&fep->time_keep); cancel_work_sync(&fep->tx_timeout_work); + fec_ptp_stop(pdev); unregister_netdev(ndev); fec_enet_mii_remove(fep); if (fep->reg_phy) regulator_disable(fep->reg_phy); - if (fep->ptp_clock) - ptp_clock_unregister(fep->ptp_clock); of_node_put(fep->phy_node); free_netdev(ndev); @@ -3568,7 +3610,28 @@ failed_clk: return ret; } -static SIMPLE_DEV_PM_OPS(fec_pm_ops, fec_suspend, fec_resume); +static int __maybe_unused fec_runtime_suspend(struct device *dev) +{ + struct net_device *ndev = dev_get_drvdata(dev); + struct fec_enet_private *fep = netdev_priv(ndev); + + clk_disable_unprepare(fep->clk_ipg); + + return 0; +} + +static int __maybe_unused fec_runtime_resume(struct device *dev) +{ + struct net_device *ndev = dev_get_drvdata(dev); + struct fec_enet_private *fep = netdev_priv(ndev); + + return clk_prepare_enable(fep->clk_ipg); +} + +static const struct dev_pm_ops fec_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(fec_suspend, fec_resume) + SET_RUNTIME_PM_OPS(fec_runtime_suspend, fec_runtime_resume, NULL) +}; static struct platform_driver fec_driver = { .driver = { diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c index a15663ad7f5e..f457a23d0bfb 100644 --- a/drivers/net/ethernet/freescale/fec_ptp.c +++ b/drivers/net/ethernet/freescale/fec_ptp.c @@ -604,6 +604,16 @@ void fec_ptp_init(struct platform_device *pdev) schedule_delayed_work(&fep->time_keep, HZ); } +void fec_ptp_stop(struct platform_device *pdev) +{ + struct net_device *ndev = platform_get_drvdata(pdev); + struct fec_enet_private *fep = netdev_priv(ndev); + + cancel_delayed_work_sync(&fep->time_keep); + if (fep->ptp_clock) + ptp_clock_unregister(fep->ptp_clock); +} + /** * fec_ptp_check_pps_event * @fep: the fec_enet_private structure handle diff --git a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c index 56316db6c5a6..cf8e54652df9 100644 --- a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c +++ b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c @@ -586,7 +586,8 @@ static int fs_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) frag = skb_shinfo(skb)->frags; while (nr_frags) { CBDC_SC(bdp, - BD_ENET_TX_STATS | BD_ENET_TX_LAST | BD_ENET_TX_TC); + BD_ENET_TX_STATS | BD_ENET_TX_INTR | BD_ENET_TX_LAST | + BD_ENET_TX_TC); CBDS_SC(bdp, BD_ENET_TX_READY); if ((CBDR_SC(bdp) & BD_ENET_TX_WRAP) == 0) diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c index b34214e2df5f..016743e355de 100644 --- a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c +++ b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c @@ -110,7 +110,7 @@ static int do_pd_setup(struct fs_enet_private *fep) } #define FEC_NAPI_RX_EVENT_MSK (FEC_ENET_RXF | FEC_ENET_RXB) -#define FEC_NAPI_TX_EVENT_MSK (FEC_ENET_TXF | FEC_ENET_TXB) +#define FEC_NAPI_TX_EVENT_MSK (FEC_ENET_TXF) #define FEC_RX_EVENT (FEC_ENET_RXF) #define FEC_TX_EVENT (FEC_ENET_TXF) #define FEC_ERR_EVENT_MSK (FEC_ENET_HBERR | FEC_ENET_BABR | \ diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index ff875028fdff..10b3bbbbac8e 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -565,22 +565,6 @@ static void gfar_ints_enable(struct gfar_private *priv) } } -static void lock_tx_qs(struct gfar_private *priv) -{ - int i; - - for (i = 0; i < priv->num_tx_queues; i++) - spin_lock(&priv->tx_queue[i]->txlock); -} - -static void unlock_tx_qs(struct gfar_private *priv) -{ - int i; - - for (i = 0; i < priv->num_tx_queues; i++) - spin_unlock(&priv->tx_queue[i]->txlock); -} - static int gfar_alloc_tx_queues(struct gfar_private *priv) { int i; @@ -1376,7 +1360,6 @@ static int gfar_probe(struct platform_device *ofdev) priv->dev = &ofdev->dev; SET_NETDEV_DEV(dev, &ofdev->dev); - spin_lock_init(&priv->bflock); INIT_WORK(&priv->reset_task, gfar_reset_task); platform_set_drvdata(ofdev, priv); @@ -1470,9 +1453,8 @@ static int gfar_probe(struct platform_device *ofdev) goto register_fail; } - device_init_wakeup(&dev->dev, - priv->device_flags & - FSL_GIANFAR_DEV_HAS_MAGIC_PACKET); + device_set_wakeup_capable(&dev->dev, priv->device_flags & + FSL_GIANFAR_DEV_HAS_MAGIC_PACKET); /* fill out IRQ number and name fields */ for (i = 0; i < priv->num_grps; i++) { @@ -1540,48 +1522,37 @@ static int gfar_suspend(struct device *dev) struct gfar_private *priv = dev_get_drvdata(dev); struct net_device *ndev = priv->ndev; struct gfar __iomem *regs = priv->gfargrp[0].regs; - unsigned long flags; u32 tempval; - int magic_packet = priv->wol_en && (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET); + if (!netif_running(ndev)) + return 0; + + disable_napi(priv); + netif_tx_lock(ndev); netif_device_detach(ndev); + netif_tx_unlock(ndev); - if (netif_running(ndev)) { + gfar_halt(priv); - local_irq_save(flags); - lock_tx_qs(priv); + if (magic_packet) { + /* Enable interrupt on Magic Packet */ + gfar_write(®s->imask, IMASK_MAG); - gfar_halt_nodisable(priv); + /* Enable Magic Packet mode */ + tempval = gfar_read(®s->maccfg2); + tempval |= MACCFG2_MPEN; + gfar_write(®s->maccfg2, tempval); - /* Disable Tx, and Rx if wake-on-LAN is disabled. */ + /* re-enable the Rx block */ tempval = gfar_read(®s->maccfg1); - - tempval &= ~MACCFG1_TX_EN; - - if (!magic_packet) - tempval &= ~MACCFG1_RX_EN; - + tempval |= MACCFG1_RX_EN; gfar_write(®s->maccfg1, tempval); - unlock_tx_qs(priv); - local_irq_restore(flags); - - disable_napi(priv); - - if (magic_packet) { - /* Enable interrupt on Magic Packet */ - gfar_write(®s->imask, IMASK_MAG); - - /* Enable Magic Packet mode */ - tempval = gfar_read(®s->maccfg2); - tempval |= MACCFG2_MPEN; - gfar_write(®s->maccfg2, tempval); - } else { - phy_stop(priv->phydev); - } + } else { + phy_stop(priv->phydev); } return 0; @@ -1592,37 +1563,26 @@ static int gfar_resume(struct device *dev) struct gfar_private *priv = dev_get_drvdata(dev); struct net_device *ndev = priv->ndev; struct gfar __iomem *regs = priv->gfargrp[0].regs; - unsigned long flags; u32 tempval; int magic_packet = priv->wol_en && (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET); - if (!netif_running(ndev)) { - netif_device_attach(ndev); + if (!netif_running(ndev)) return 0; - } - if (!magic_packet && priv->phydev) + if (magic_packet) { + /* Disable Magic Packet mode */ + tempval = gfar_read(®s->maccfg2); + tempval &= ~MACCFG2_MPEN; + gfar_write(®s->maccfg2, tempval); + } else { phy_start(priv->phydev); - - /* Disable Magic Packet mode, in case something - * else woke us up. - */ - local_irq_save(flags); - lock_tx_qs(priv); - - tempval = gfar_read(®s->maccfg2); - tempval &= ~MACCFG2_MPEN; - gfar_write(®s->maccfg2, tempval); + } gfar_start(priv); - unlock_tx_qs(priv); - local_irq_restore(flags); - netif_device_attach(ndev); - enable_napi(priv); return 0; @@ -2045,7 +2005,8 @@ static int register_grp_irqs(struct gfar_priv_grp *grp) /* Install our interrupt handlers for Error, * Transmit, and Receive */ - err = request_irq(gfar_irq(grp, ER)->irq, gfar_error, 0, + err = request_irq(gfar_irq(grp, ER)->irq, gfar_error, + IRQF_NO_SUSPEND, gfar_irq(grp, ER)->name, grp); if (err < 0) { netif_err(priv, intr, dev, "Can't get IRQ %d\n", @@ -2068,7 +2029,8 @@ static int register_grp_irqs(struct gfar_priv_grp *grp) goto rx_irq_fail; } } else { - err = request_irq(gfar_irq(grp, TX)->irq, gfar_interrupt, 0, + err = request_irq(gfar_irq(grp, TX)->irq, gfar_interrupt, + IRQF_NO_SUSPEND, gfar_irq(grp, TX)->name, grp); if (err < 0) { netif_err(priv, intr, dev, "Can't get IRQ %d\n", @@ -2140,6 +2102,11 @@ int startup_gfar(struct net_device *ndev) /* Start Rx/Tx DMA and enable the interrupts */ gfar_start(priv); + /* force link state update after mac reset */ + priv->oldlink = 0; + priv->oldspeed = 0; + priv->oldduplex = -1; + phy_start(priv->phydev); enable_napi(priv); @@ -2169,8 +2136,6 @@ static int gfar_enet_open(struct net_device *dev) if (err) return err; - device_set_wakeup_enable(&dev->dev, priv->wol_en); - return err; } diff --git a/drivers/net/ethernet/freescale/gianfar.h b/drivers/net/ethernet/freescale/gianfar.h index daa1d37de642..5545e4103368 100644 --- a/drivers/net/ethernet/freescale/gianfar.h +++ b/drivers/net/ethernet/freescale/gianfar.h @@ -1145,9 +1145,6 @@ struct gfar_private { int oldduplex; int oldlink; - /* Bitfield update lock */ - spinlock_t bflock; - uint32_t msg_enable; struct work_struct reset_task; diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c index fda12fb32ec7..5b90fcf96265 100644 --- a/drivers/net/ethernet/freescale/gianfar_ethtool.c +++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c @@ -653,7 +653,6 @@ static void gfar_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct gfar_private *priv = netdev_priv(dev); - unsigned long flags; if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) && wol->wolopts != 0) @@ -664,9 +663,7 @@ static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) device_set_wakeup_enable(&dev->dev, wol->wolopts & WAKE_MAGIC); - spin_lock_irqsave(&priv->bflock, flags); - priv->wol_en = !!device_may_wakeup(&dev->dev); - spin_unlock_irqrestore(&priv->bflock, flags); + priv->wol_en = !!device_may_wakeup(&dev->dev); return 0; } @@ -903,27 +900,6 @@ static int gfar_check_filer_hardware(struct gfar_private *priv) return 0; } -static int gfar_comp_asc(const void *a, const void *b) -{ - return memcmp(a, b, 4); -} - -static int gfar_comp_desc(const void *a, const void *b) -{ - return -memcmp(a, b, 4); -} - -static void gfar_swap(void *a, void *b, int size) -{ - u32 *_a = a; - u32 *_b = b; - - swap(_a[0], _b[0]); - swap(_a[1], _b[1]); - swap(_a[2], _b[2]); - swap(_a[3], _b[3]); -} - /* Write a mask to filer cache */ static void gfar_set_mask(u32 mask, struct filer_table *tab) { @@ -1273,310 +1249,6 @@ static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule, return 0; } -/* Copy size filer entries */ -static void gfar_copy_filer_entries(struct gfar_filer_entry dst[0], - struct gfar_filer_entry src[0], s32 size) -{ - while (size > 0) { - size--; - dst[size].ctrl = src[size].ctrl; - dst[size].prop = src[size].prop; - } -} - -/* Delete the contents of the filer-table between start and end - * and collapse them - */ -static int gfar_trim_filer_entries(u32 begin, u32 end, struct filer_table *tab) -{ - int length; - - if (end > MAX_FILER_CACHE_IDX || end < begin) - return -EINVAL; - - end++; - length = end - begin; - - /* Copy */ - while (end < tab->index) { - tab->fe[begin].ctrl = tab->fe[end].ctrl; - tab->fe[begin++].prop = tab->fe[end++].prop; - - } - /* Fill up with don't cares */ - while (begin < tab->index) { - tab->fe[begin].ctrl = 0x60; - tab->fe[begin].prop = 0xFFFFFFFF; - begin++; - } - - tab->index -= length; - return 0; -} - -/* Make space on the wanted location */ -static int gfar_expand_filer_entries(u32 begin, u32 length, - struct filer_table *tab) -{ - if (length == 0 || length + tab->index > MAX_FILER_CACHE_IDX || - begin > MAX_FILER_CACHE_IDX) - return -EINVAL; - - gfar_copy_filer_entries(&(tab->fe[begin + length]), &(tab->fe[begin]), - tab->index - length + 1); - - tab->index += length; - return 0; -} - -static int gfar_get_next_cluster_start(int start, struct filer_table *tab) -{ - for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1); - start++) { - if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE)) == - (RQFCR_AND | RQFCR_CLE)) - return start; - } - return -1; -} - -static int gfar_get_next_cluster_end(int start, struct filer_table *tab) -{ - for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1); - start++) { - if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE)) == - (RQFCR_CLE)) - return start; - } - return -1; -} - -/* Uses hardwares clustering option to reduce - * the number of filer table entries - */ -static void gfar_cluster_filer(struct filer_table *tab) -{ - s32 i = -1, j, iend, jend; - - while ((i = gfar_get_next_cluster_start(++i, tab)) != -1) { - j = i; - while ((j = gfar_get_next_cluster_start(++j, tab)) != -1) { - /* The cluster entries self and the previous one - * (a mask) must be identical! - */ - if (tab->fe[i].ctrl != tab->fe[j].ctrl) - break; - if (tab->fe[i].prop != tab->fe[j].prop) - break; - if (tab->fe[i - 1].ctrl != tab->fe[j - 1].ctrl) - break; - if (tab->fe[i - 1].prop != tab->fe[j - 1].prop) - break; - iend = gfar_get_next_cluster_end(i, tab); - jend = gfar_get_next_cluster_end(j, tab); - if (jend == -1 || iend == -1) - break; - - /* First we make some free space, where our cluster - * element should be. Then we copy it there and finally - * delete in from its old location. - */ - if (gfar_expand_filer_entries(iend, (jend - j), tab) == - -EINVAL) - break; - - gfar_copy_filer_entries(&(tab->fe[iend + 1]), - &(tab->fe[jend + 1]), jend - j); - - if (gfar_trim_filer_entries(jend - 1, - jend + (jend - j), - tab) == -EINVAL) - return; - - /* Mask out cluster bit */ - tab->fe[iend].ctrl &= ~(RQFCR_CLE); - } - } -} - -/* Swaps the masked bits of a1<>a2 and b1<>b2 */ -static void gfar_swap_bits(struct gfar_filer_entry *a1, - struct gfar_filer_entry *a2, - struct gfar_filer_entry *b1, - struct gfar_filer_entry *b2, u32 mask) -{ - u32 temp[4]; - temp[0] = a1->ctrl & mask; - temp[1] = a2->ctrl & mask; - temp[2] = b1->ctrl & mask; - temp[3] = b2->ctrl & mask; - - a1->ctrl &= ~mask; - a2->ctrl &= ~mask; - b1->ctrl &= ~mask; - b2->ctrl &= ~mask; - - a1->ctrl |= temp[1]; - a2->ctrl |= temp[0]; - b1->ctrl |= temp[3]; - b2->ctrl |= temp[2]; -} - -/* Generate a list consisting of masks values with their start and - * end of validity and block as indicator for parts belonging - * together (glued by ANDs) in mask_table - */ -static u32 gfar_generate_mask_table(struct gfar_mask_entry *mask_table, - struct filer_table *tab) -{ - u32 i, and_index = 0, block_index = 1; - - for (i = 0; i < tab->index; i++) { - - /* LSByte of control = 0 sets a mask */ - if (!(tab->fe[i].ctrl & 0xF)) { - mask_table[and_index].mask = tab->fe[i].prop; - mask_table[and_index].start = i; - mask_table[and_index].block = block_index; - if (and_index >= 1) - mask_table[and_index - 1].end = i - 1; - and_index++; - } - /* cluster starts and ends will be separated because they should - * hold their position - */ - if (tab->fe[i].ctrl & RQFCR_CLE) - block_index++; - /* A not set AND indicates the end of a depended block */ - if (!(tab->fe[i].ctrl & RQFCR_AND)) - block_index++; - } - - mask_table[and_index - 1].end = i - 1; - - return and_index; -} - -/* Sorts the entries of mask_table by the values of the masks. - * Important: The 0xFF80 flags of the first and last entry of a - * block must hold their position (which queue, CLusterEnable, ReJEct, - * AND) - */ -static void gfar_sort_mask_table(struct gfar_mask_entry *mask_table, - struct filer_table *temp_table, u32 and_index) -{ - /* Pointer to compare function (_asc or _desc) */ - int (*gfar_comp)(const void *, const void *); - - u32 i, size = 0, start = 0, prev = 1; - u32 old_first, old_last, new_first, new_last; - - gfar_comp = &gfar_comp_desc; - - for (i = 0; i < and_index; i++) { - if (prev != mask_table[i].block) { - old_first = mask_table[start].start + 1; - old_last = mask_table[i - 1].end; - sort(mask_table + start, size, - sizeof(struct gfar_mask_entry), - gfar_comp, &gfar_swap); - - /* Toggle order for every block. This makes the - * thing more efficient! - */ - if (gfar_comp == gfar_comp_desc) - gfar_comp = &gfar_comp_asc; - else - gfar_comp = &gfar_comp_desc; - - new_first = mask_table[start].start + 1; - new_last = mask_table[i - 1].end; - - gfar_swap_bits(&temp_table->fe[new_first], - &temp_table->fe[old_first], - &temp_table->fe[new_last], - &temp_table->fe[old_last], - RQFCR_QUEUE | RQFCR_CLE | - RQFCR_RJE | RQFCR_AND); - - start = i; - size = 0; - } - size++; - prev = mask_table[i].block; - } -} - -/* Reduces the number of masks needed in the filer table to save entries - * This is done by sorting the masks of a depended block. A depended block is - * identified by gluing ANDs or CLE. The sorting order toggles after every - * block. Of course entries in scope of a mask must change their location with - * it. - */ -static int gfar_optimize_filer_masks(struct filer_table *tab) -{ - struct filer_table *temp_table; - struct gfar_mask_entry *mask_table; - - u32 and_index = 0, previous_mask = 0, i = 0, j = 0, size = 0; - s32 ret = 0; - - /* We need a copy of the filer table because - * we want to change its order - */ - temp_table = kmemdup(tab, sizeof(*temp_table), GFP_KERNEL); - if (temp_table == NULL) - return -ENOMEM; - - mask_table = kcalloc(MAX_FILER_CACHE_IDX / 2 + 1, - sizeof(struct gfar_mask_entry), GFP_KERNEL); - - if (mask_table == NULL) { - ret = -ENOMEM; - goto end; - } - - and_index = gfar_generate_mask_table(mask_table, tab); - - gfar_sort_mask_table(mask_table, temp_table, and_index); - - /* Now we can copy the data from our duplicated filer table to - * the real one in the order the mask table says - */ - for (i = 0; i < and_index; i++) { - size = mask_table[i].end - mask_table[i].start + 1; - gfar_copy_filer_entries(&(tab->fe[j]), - &(temp_table->fe[mask_table[i].start]), size); - j += size; - } - - /* And finally we just have to check for duplicated masks and drop the - * second ones - */ - for (i = 0; i < tab->index && i < MAX_FILER_CACHE_IDX; i++) { - if (tab->fe[i].ctrl == 0x80) { - previous_mask = i++; - break; - } - } - for (; i < tab->index && i < MAX_FILER_CACHE_IDX; i++) { - if (tab->fe[i].ctrl == 0x80) { - if (tab->fe[i].prop == tab->fe[previous_mask].prop) { - /* Two identical ones found! - * So drop the second one! - */ - gfar_trim_filer_entries(i, i, tab); - } else - /* Not identical! */ - previous_mask = i; - } - } - - kfree(mask_table); -end: kfree(temp_table); - return ret; -} - /* Write the bit-pattern from software's buffer to hardware registers */ static int gfar_write_filer_table(struct gfar_private *priv, struct filer_table *tab) @@ -1586,11 +1258,10 @@ static int gfar_write_filer_table(struct gfar_private *priv, return -EBUSY; /* Fill regular entries */ - for (; i < MAX_FILER_IDX - 1 && (tab->fe[i].ctrl | tab->fe[i].prop); - i++) + for (; i < MAX_FILER_IDX && (tab->fe[i].ctrl | tab->fe[i].prop); i++) gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop); /* Fill the rest with fall-troughs */ - for (; i < MAX_FILER_IDX - 1; i++) + for (; i < MAX_FILER_IDX; i++) gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF); /* Last entry must be default accept * because that's what people expect @@ -1624,7 +1295,6 @@ static int gfar_process_filer_changes(struct gfar_private *priv) { struct ethtool_flow_spec_container *j; struct filer_table *tab; - s32 i = 0; s32 ret = 0; /* So index is set to zero, too! */ @@ -1649,17 +1319,6 @@ static int gfar_process_filer_changes(struct gfar_private *priv) } } - i = tab->index; - - /* Optimizations to save entries */ - gfar_cluster_filer(tab); - gfar_optimize_filer_masks(tab); - - pr_debug("\tSummary:\n" - "\tData on hardware: %d\n" - "\tCompression rate: %d%%\n", - tab->index, 100 - (100 * tab->index) / i); - /* Write everything to hardware */ ret = gfar_write_filer_table(priv, tab); if (ret == -EBUSY) { @@ -1725,13 +1384,14 @@ static int gfar_add_cls(struct gfar_private *priv, } process: + priv->rx_list.count++; ret = gfar_process_filer_changes(priv); if (ret) goto clean_list; - priv->rx_list.count++; return ret; clean_list: + priv->rx_list.count--; list_del(&temp->list); clean_mem: kfree(temp); diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c index 982fdcdc795b..b5b2925103ec 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c @@ -216,7 +216,7 @@ static void fm10k_reuse_rx_page(struct fm10k_ring *rx_ring, static inline bool fm10k_page_is_reserved(struct page *page) { - return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; + return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); } static bool fm10k_can_reuse_rx_page(struct fm10k_rx_buffer *rx_buffer, diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 2f70a9b152bd..830466c49987 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -6566,7 +6566,7 @@ static void igb_reuse_rx_page(struct igb_ring *rx_ring, static inline bool igb_page_is_reserved(struct page *page) { - return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; + return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); } static bool igb_can_reuse_rx_page(struct igb_rx_buffer *rx_buffer, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 9aa6104e34ea..ae21e0b06c3a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -1832,7 +1832,7 @@ static void ixgbe_reuse_rx_page(struct ixgbe_ring *rx_ring, static inline bool ixgbe_page_is_reserved(struct page *page) { - return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; + return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); } /** diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index e71cdde9cb01..1d7b00b038a2 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -765,7 +765,7 @@ static void ixgbevf_reuse_rx_page(struct ixgbevf_ring *rx_ring, static inline bool ixgbevf_page_is_reserved(struct page *page) { - return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; + return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); } /** diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 370e20ed224c..62e48bc0cb23 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -1462,7 +1462,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, struct mvneta_rx_queue *rxq) { struct net_device *dev = pp->dev; - int rx_done, rx_filled; + int rx_done; u32 rcvd_pkts = 0; u32 rcvd_bytes = 0; @@ -1473,7 +1473,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, rx_todo = rx_done; rx_done = 0; - rx_filled = 0; /* Fairness NAPI loop */ while (rx_done < rx_todo) { @@ -1484,7 +1483,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, int rx_bytes, err; rx_done++; - rx_filled++; rx_status = rx_desc->status; rx_bytes = rx_desc->data_size - (ETH_FCS_LEN + MVNETA_MH_SIZE); data = (unsigned char *)rx_desc->buf_cookie; @@ -1524,6 +1522,14 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, continue; } + /* Refill processing */ + err = mvneta_rx_refill(pp, rx_desc); + if (err) { + netdev_err(dev, "Linux processing - Can't refill\n"); + rxq->missed++; + goto err_drop_frame; + } + skb = build_skb(data, pp->frag_size > PAGE_SIZE ? 0 : pp->frag_size); if (!skb) goto err_drop_frame; @@ -1543,14 +1549,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, mvneta_rx_csum(pp, rx_status, skb); napi_gro_receive(&pp->napi, skb); - - /* Refill processing */ - err = mvneta_rx_refill(pp, rx_desc); - if (err) { - netdev_err(dev, "Linux processing - Can't refill\n"); - rxq->missed++; - rx_filled--; - } } if (rcvd_pkts) { @@ -1563,7 +1561,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, } /* Update rxq management counters */ - mvneta_rxq_desc_num_update(pp, rxq, rx_done, rx_filled); + mvneta_rxq_desc_num_update(pp, rxq, rx_done, rx_done); return rx_done; } diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index 3e8b1bfb1f2e..d9884fd15b45 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -27,6 +27,8 @@ #include <linux/of_address.h> #include <linux/phy.h> #include <linux/clk.h> +#include <linux/hrtimer.h> +#include <linux/ktime.h> #include <uapi/linux/ppp_defs.h> #include <net/ip.h> #include <net/ipv6.h> @@ -299,6 +301,7 @@ /* Coalescing */ #define MVPP2_TXDONE_COAL_PKTS_THRESH 15 +#define MVPP2_TXDONE_HRTIMER_PERIOD_NS 1000000UL #define MVPP2_RX_COAL_PKTS 32 #define MVPP2_RX_COAL_USEC 100 @@ -660,6 +663,14 @@ struct mvpp2_pcpu_stats { u64 tx_bytes; }; +/* Per-CPU port control */ +struct mvpp2_port_pcpu { + struct hrtimer tx_done_timer; + bool timer_scheduled; + /* Tasklet for egress finalization */ + struct tasklet_struct tx_done_tasklet; +}; + struct mvpp2_port { u8 id; @@ -679,6 +690,9 @@ struct mvpp2_port { u32 pending_cause_rx; struct napi_struct napi; + /* Per-CPU port control */ + struct mvpp2_port_pcpu __percpu *pcpu; + /* Flags */ unsigned long flags; @@ -776,6 +790,9 @@ struct mvpp2_txq_pcpu { /* Array of transmitted skb */ struct sk_buff **tx_skb; + /* Array of transmitted buffers' physical addresses */ + dma_addr_t *tx_buffs; + /* Index of last TX DMA descriptor that was inserted */ int txq_put_index; @@ -913,8 +930,6 @@ struct mvpp2_bm_pool { /* Occupied buffers indicator */ atomic_t in_use; int in_use_thresh; - - spinlock_t lock; }; struct mvpp2_buff_hdr { @@ -963,9 +978,13 @@ static void mvpp2_txq_inc_get(struct mvpp2_txq_pcpu *txq_pcpu) } static void mvpp2_txq_inc_put(struct mvpp2_txq_pcpu *txq_pcpu, - struct sk_buff *skb) + struct sk_buff *skb, + struct mvpp2_tx_desc *tx_desc) { txq_pcpu->tx_skb[txq_pcpu->txq_put_index] = skb; + if (skb) + txq_pcpu->tx_buffs[txq_pcpu->txq_put_index] = + tx_desc->buf_phys_addr; txq_pcpu->txq_put_index++; if (txq_pcpu->txq_put_index == txq_pcpu->size) txq_pcpu->txq_put_index = 0; @@ -3376,7 +3395,6 @@ static int mvpp2_bm_pool_create(struct platform_device *pdev, bm_pool->pkt_size = 0; bm_pool->buf_num = 0; atomic_set(&bm_pool->in_use, 0); - spin_lock_init(&bm_pool->lock); return 0; } @@ -3647,7 +3665,6 @@ static struct mvpp2_bm_pool * mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type, int pkt_size) { - unsigned long flags = 0; struct mvpp2_bm_pool *new_pool = &port->priv->bm_pools[pool]; int num; @@ -3656,8 +3673,6 @@ mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type, return NULL; } - spin_lock_irqsave(&new_pool->lock, flags); - if (new_pool->type == MVPP2_BM_FREE) new_pool->type = type; @@ -3686,8 +3701,6 @@ mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type, if (num != pkts_num) { WARN(1, "pool %d: %d of %d allocated\n", new_pool->id, num, pkts_num); - /* We need to undo the bufs_add() allocations */ - spin_unlock_irqrestore(&new_pool->lock, flags); return NULL; } } @@ -3695,15 +3708,12 @@ mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type, mvpp2_bm_pool_bufsize_set(port->priv, new_pool, MVPP2_RX_BUF_SIZE(new_pool->pkt_size)); - spin_unlock_irqrestore(&new_pool->lock, flags); - return new_pool; } /* Initialize pools for swf */ static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port) { - unsigned long flags = 0; int rxq; if (!port->pool_long) { @@ -3714,9 +3724,7 @@ static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port) if (!port->pool_long) return -ENOMEM; - spin_lock_irqsave(&port->pool_long->lock, flags); port->pool_long->port_map |= (1 << port->id); - spin_unlock_irqrestore(&port->pool_long->lock, flags); for (rxq = 0; rxq < rxq_number; rxq++) mvpp2_rxq_long_pool_set(port, rxq, port->pool_long->id); @@ -3730,9 +3738,7 @@ static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port) if (!port->pool_short) return -ENOMEM; - spin_lock_irqsave(&port->pool_short->lock, flags); port->pool_short->port_map |= (1 << port->id); - spin_unlock_irqrestore(&port->pool_short->lock, flags); for (rxq = 0; rxq < rxq_number; rxq++) mvpp2_rxq_short_pool_set(port, rxq, @@ -3806,7 +3812,6 @@ static void mvpp2_interrupts_unmask(void *arg) mvpp2_write(port->priv, MVPP2_ISR_RX_TX_MASK_REG(port->id), (MVPP2_CAUSE_MISC_SUM_MASK | - MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK | MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK)); } @@ -4382,23 +4387,6 @@ static void mvpp2_rx_time_coal_set(struct mvpp2_port *port, rxq->time_coal = usec; } -/* Set threshold for TX_DONE pkts coalescing */ -static void mvpp2_tx_done_pkts_coal_set(void *arg) -{ - struct mvpp2_port *port = arg; - int queue; - u32 val; - - for (queue = 0; queue < txq_number; queue++) { - struct mvpp2_tx_queue *txq = port->txqs[queue]; - - val = (txq->done_pkts_coal << MVPP2_TRANSMITTED_THRESH_OFFSET) & - MVPP2_TRANSMITTED_THRESH_MASK; - mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id); - mvpp2_write(port->priv, MVPP2_TXQ_THRESH_REG, val); - } -} - /* Free Tx queue skbuffs */ static void mvpp2_txq_bufs_free(struct mvpp2_port *port, struct mvpp2_tx_queue *txq, @@ -4407,8 +4395,8 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port, int i; for (i = 0; i < num; i++) { - struct mvpp2_tx_desc *tx_desc = txq->descs + - txq_pcpu->txq_get_index; + dma_addr_t buf_phys_addr = + txq_pcpu->tx_buffs[txq_pcpu->txq_get_index]; struct sk_buff *skb = txq_pcpu->tx_skb[txq_pcpu->txq_get_index]; mvpp2_txq_inc_get(txq_pcpu); @@ -4416,8 +4404,8 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port, if (!skb) continue; - dma_unmap_single(port->dev->dev.parent, tx_desc->buf_phys_addr, - tx_desc->data_size, DMA_TO_DEVICE); + dma_unmap_single(port->dev->dev.parent, buf_phys_addr, + skb_headlen(skb), DMA_TO_DEVICE); dev_kfree_skb_any(skb); } } @@ -4433,7 +4421,7 @@ static inline struct mvpp2_rx_queue *mvpp2_get_rx_queue(struct mvpp2_port *port, static inline struct mvpp2_tx_queue *mvpp2_get_tx_queue(struct mvpp2_port *port, u32 cause) { - int queue = fls(cause >> 16) - 1; + int queue = fls(cause) - 1; return port->txqs[queue]; } @@ -4460,6 +4448,29 @@ static void mvpp2_txq_done(struct mvpp2_port *port, struct mvpp2_tx_queue *txq, netif_tx_wake_queue(nq); } +static unsigned int mvpp2_tx_done(struct mvpp2_port *port, u32 cause) +{ + struct mvpp2_tx_queue *txq; + struct mvpp2_txq_pcpu *txq_pcpu; + unsigned int tx_todo = 0; + + while (cause) { + txq = mvpp2_get_tx_queue(port, cause); + if (!txq) + break; + + txq_pcpu = this_cpu_ptr(txq->pcpu); + + if (txq_pcpu->count) { + mvpp2_txq_done(port, txq, txq_pcpu); + tx_todo += txq_pcpu->count; + } + + cause &= ~(1 << txq->log_id); + } + return tx_todo; +} + /* Rx/Tx queue initialization/cleanup methods */ /* Allocate and initialize descriptors for aggr TXQ */ @@ -4649,12 +4660,13 @@ static int mvpp2_txq_init(struct mvpp2_port *port, txq_pcpu->tx_skb = kmalloc(txq_pcpu->size * sizeof(*txq_pcpu->tx_skb), GFP_KERNEL); - if (!txq_pcpu->tx_skb) { - dma_free_coherent(port->dev->dev.parent, - txq->size * MVPP2_DESC_ALIGNED_SIZE, - txq->descs, txq->descs_phys); - return -ENOMEM; - } + if (!txq_pcpu->tx_skb) + goto error; + + txq_pcpu->tx_buffs = kmalloc(txq_pcpu->size * + sizeof(dma_addr_t), GFP_KERNEL); + if (!txq_pcpu->tx_buffs) + goto error; txq_pcpu->count = 0; txq_pcpu->reserved_num = 0; @@ -4663,6 +4675,19 @@ static int mvpp2_txq_init(struct mvpp2_port *port, } return 0; + +error: + for_each_present_cpu(cpu) { + txq_pcpu = per_cpu_ptr(txq->pcpu, cpu); + kfree(txq_pcpu->tx_skb); + kfree(txq_pcpu->tx_buffs); + } + + dma_free_coherent(port->dev->dev.parent, + txq->size * MVPP2_DESC_ALIGNED_SIZE, + txq->descs, txq->descs_phys); + + return -ENOMEM; } /* Free allocated TXQ resources */ @@ -4675,6 +4700,7 @@ static void mvpp2_txq_deinit(struct mvpp2_port *port, for_each_present_cpu(cpu) { txq_pcpu = per_cpu_ptr(txq->pcpu, cpu); kfree(txq_pcpu->tx_skb); + kfree(txq_pcpu->tx_buffs); } if (txq->descs) @@ -4805,7 +4831,6 @@ static int mvpp2_setup_txqs(struct mvpp2_port *port) goto err_cleanup; } - on_each_cpu(mvpp2_tx_done_pkts_coal_set, port, 1); on_each_cpu(mvpp2_txq_sent_counter_clear, port, 1); return 0; @@ -4887,6 +4912,49 @@ static void mvpp2_link_event(struct net_device *dev) } } +static void mvpp2_timer_set(struct mvpp2_port_pcpu *port_pcpu) +{ + ktime_t interval; + + if (!port_pcpu->timer_scheduled) { + port_pcpu->timer_scheduled = true; + interval = ktime_set(0, MVPP2_TXDONE_HRTIMER_PERIOD_NS); + hrtimer_start(&port_pcpu->tx_done_timer, interval, + HRTIMER_MODE_REL_PINNED); + } +} + +static void mvpp2_tx_proc_cb(unsigned long data) +{ + struct net_device *dev = (struct net_device *)data; + struct mvpp2_port *port = netdev_priv(dev); + struct mvpp2_port_pcpu *port_pcpu = this_cpu_ptr(port->pcpu); + unsigned int tx_todo, cause; + + if (!netif_running(dev)) + return; + port_pcpu->timer_scheduled = false; + + /* Process all the Tx queues */ + cause = (1 << txq_number) - 1; + tx_todo = mvpp2_tx_done(port, cause); + + /* Set the timer in case not all the packets were processed */ + if (tx_todo) + mvpp2_timer_set(port_pcpu); +} + +static enum hrtimer_restart mvpp2_hr_timer_cb(struct hrtimer *timer) +{ + struct mvpp2_port_pcpu *port_pcpu = container_of(timer, + struct mvpp2_port_pcpu, + tx_done_timer); + + tasklet_schedule(&port_pcpu->tx_done_tasklet); + + return HRTIMER_NORESTART; +} + /* Main RX/TX processing routines */ /* Display more error info */ @@ -5144,11 +5212,11 @@ static int mvpp2_tx_frag_process(struct mvpp2_port *port, struct sk_buff *skb, if (i == (skb_shinfo(skb)->nr_frags - 1)) { /* Last descriptor */ tx_desc->command = MVPP2_TXD_L_DESC; - mvpp2_txq_inc_put(txq_pcpu, skb); + mvpp2_txq_inc_put(txq_pcpu, skb, tx_desc); } else { /* Descriptor in the middle: Not First, Not Last */ tx_desc->command = 0; - mvpp2_txq_inc_put(txq_pcpu, NULL); + mvpp2_txq_inc_put(txq_pcpu, NULL, tx_desc); } } @@ -5214,12 +5282,12 @@ static int mvpp2_tx(struct sk_buff *skb, struct net_device *dev) /* First and Last descriptor */ tx_cmd |= MVPP2_TXD_F_DESC | MVPP2_TXD_L_DESC; tx_desc->command = tx_cmd; - mvpp2_txq_inc_put(txq_pcpu, skb); + mvpp2_txq_inc_put(txq_pcpu, skb, tx_desc); } else { /* First but not Last */ tx_cmd |= MVPP2_TXD_F_DESC | MVPP2_TXD_PADDING_DISABLE; tx_desc->command = tx_cmd; - mvpp2_txq_inc_put(txq_pcpu, NULL); + mvpp2_txq_inc_put(txq_pcpu, NULL, tx_desc); /* Continue with other skb fragments */ if (mvpp2_tx_frag_process(port, skb, aggr_txq, txq)) { @@ -5255,6 +5323,17 @@ out: dev_kfree_skb_any(skb); } + /* Finalize TX processing */ + if (txq_pcpu->count >= txq->done_pkts_coal) + mvpp2_txq_done(port, txq, txq_pcpu); + + /* Set the timer in case not all frags were processed */ + if (txq_pcpu->count <= frags && txq_pcpu->count > 0) { + struct mvpp2_port_pcpu *port_pcpu = this_cpu_ptr(port->pcpu); + + mvpp2_timer_set(port_pcpu); + } + return NETDEV_TX_OK; } @@ -5268,10 +5347,11 @@ static inline void mvpp2_cause_error(struct net_device *dev, int cause) netdev_err(dev, "tx fifo underrun error\n"); } -static void mvpp2_txq_done_percpu(void *arg) +static int mvpp2_poll(struct napi_struct *napi, int budget) { - struct mvpp2_port *port = arg; - u32 cause_rx_tx, cause_tx, cause_misc; + u32 cause_rx_tx, cause_rx, cause_misc; + int rx_done = 0; + struct mvpp2_port *port = netdev_priv(napi->dev); /* Rx/Tx cause register * @@ -5285,7 +5365,7 @@ static void mvpp2_txq_done_percpu(void *arg) */ cause_rx_tx = mvpp2_read(port->priv, MVPP2_ISR_RX_TX_CAUSE_REG(port->id)); - cause_tx = cause_rx_tx & MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK; + cause_rx_tx &= ~MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK; cause_misc = cause_rx_tx & MVPP2_CAUSE_MISC_SUM_MASK; if (cause_misc) { @@ -5297,26 +5377,6 @@ static void mvpp2_txq_done_percpu(void *arg) cause_rx_tx & ~MVPP2_CAUSE_MISC_SUM_MASK); } - /* Release TX descriptors */ - if (cause_tx) { - struct mvpp2_tx_queue *txq = mvpp2_get_tx_queue(port, cause_tx); - struct mvpp2_txq_pcpu *txq_pcpu = this_cpu_ptr(txq->pcpu); - - if (txq_pcpu->count) - mvpp2_txq_done(port, txq, txq_pcpu); - } -} - -static int mvpp2_poll(struct napi_struct *napi, int budget) -{ - u32 cause_rx_tx, cause_rx; - int rx_done = 0; - struct mvpp2_port *port = netdev_priv(napi->dev); - - on_each_cpu(mvpp2_txq_done_percpu, port, 1); - - cause_rx_tx = mvpp2_read(port->priv, - MVPP2_ISR_RX_TX_CAUSE_REG(port->id)); cause_rx = cause_rx_tx & MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK; /* Process RX packets */ @@ -5561,6 +5621,8 @@ err_cleanup_rxqs: static int mvpp2_stop(struct net_device *dev) { struct mvpp2_port *port = netdev_priv(dev); + struct mvpp2_port_pcpu *port_pcpu; + int cpu; mvpp2_stop_dev(port); mvpp2_phy_disconnect(port); @@ -5569,6 +5631,13 @@ static int mvpp2_stop(struct net_device *dev) on_each_cpu(mvpp2_interrupts_mask, port, 1); free_irq(port->irq, port); + for_each_present_cpu(cpu) { + port_pcpu = per_cpu_ptr(port->pcpu, cpu); + + hrtimer_cancel(&port_pcpu->tx_done_timer); + port_pcpu->timer_scheduled = false; + tasklet_kill(&port_pcpu->tx_done_tasklet); + } mvpp2_cleanup_rxqs(port); mvpp2_cleanup_txqs(port); @@ -5784,7 +5853,6 @@ static int mvpp2_ethtool_set_coalesce(struct net_device *dev, txq->done_pkts_coal = c->tx_max_coalesced_frames; } - on_each_cpu(mvpp2_tx_done_pkts_coal_set, port, 1); return 0; } @@ -6035,6 +6103,7 @@ static int mvpp2_port_probe(struct platform_device *pdev, { struct device_node *phy_node; struct mvpp2_port *port; + struct mvpp2_port_pcpu *port_pcpu; struct net_device *dev; struct resource *res; const char *dt_mac_addr; @@ -6044,7 +6113,7 @@ static int mvpp2_port_probe(struct platform_device *pdev, int features; int phy_mode; int priv_common_regs_num = 2; - int err, i; + int err, i, cpu; dev = alloc_etherdev_mqs(sizeof(struct mvpp2_port), txq_number, rxq_number); @@ -6135,6 +6204,24 @@ static int mvpp2_port_probe(struct platform_device *pdev, } mvpp2_port_power_up(port); + port->pcpu = alloc_percpu(struct mvpp2_port_pcpu); + if (!port->pcpu) { + err = -ENOMEM; + goto err_free_txq_pcpu; + } + + for_each_present_cpu(cpu) { + port_pcpu = per_cpu_ptr(port->pcpu, cpu); + + hrtimer_init(&port_pcpu->tx_done_timer, CLOCK_MONOTONIC, + HRTIMER_MODE_REL_PINNED); + port_pcpu->tx_done_timer.function = mvpp2_hr_timer_cb; + port_pcpu->timer_scheduled = false; + + tasklet_init(&port_pcpu->tx_done_tasklet, mvpp2_tx_proc_cb, + (unsigned long)dev); + } + netif_napi_add(dev, &port->napi, mvpp2_poll, NAPI_POLL_WEIGHT); features = NETIF_F_SG | NETIF_F_IP_CSUM; dev->features = features | NETIF_F_RXCSUM; @@ -6144,7 +6231,7 @@ static int mvpp2_port_probe(struct platform_device *pdev, err = register_netdev(dev); if (err < 0) { dev_err(&pdev->dev, "failed to register netdev\n"); - goto err_free_txq_pcpu; + goto err_free_port_pcpu; } netdev_info(dev, "Using %s mac address %pM\n", mac_from, dev->dev_addr); @@ -6153,6 +6240,8 @@ static int mvpp2_port_probe(struct platform_device *pdev, priv->port_list[id] = port; return 0; +err_free_port_pcpu: + free_percpu(port->pcpu); err_free_txq_pcpu: for (i = 0; i < txq_number; i++) free_percpu(port->txqs[i]->pcpu); @@ -6171,6 +6260,7 @@ static void mvpp2_port_remove(struct mvpp2_port *port) int i; unregister_netdev(port->dev); + free_percpu(port->pcpu); free_percpu(port->stats); for (i = 0; i < txq_number; i++) free_percpu(port->txqs[i]->pcpu); diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index 82040137d7d9..0a3202047569 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -686,6 +686,7 @@ static int mlx4_cmd_wait(struct mlx4_dev *dev, u64 in_param, u64 *out_param, { struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd; struct mlx4_cmd_context *context; + long ret_wait; int err = 0; down(&cmd->event_sem); @@ -711,8 +712,20 @@ static int mlx4_cmd_wait(struct mlx4_dev *dev, u64 in_param, u64 *out_param, if (err) goto out_reset; - if (!wait_for_completion_timeout(&context->done, - msecs_to_jiffies(timeout))) { + if (op == MLX4_CMD_SENSE_PORT) { + ret_wait = + wait_for_completion_interruptible_timeout(&context->done, + msecs_to_jiffies(timeout)); + if (ret_wait < 0) { + context->fw_status = 0; + context->out_param = 0; + context->result = 0; + } + } else { + ret_wait = (long)wait_for_completion_timeout(&context->done, + msecs_to_jiffies(timeout)); + } + if (!ret_wait) { mlx4_warn(dev, "command 0x%x timed out (go bit not cleared)\n", op); if (op == MLX4_CMD_NOP) { diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 7a4f20bb7fcb..9c145dddd717 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -246,7 +246,6 @@ static int mlx4_en_prepare_rx_desc(struct mlx4_en_priv *priv, static inline bool mlx4_en_is_ring_empty(struct mlx4_en_rx_ring *ring) { - BUG_ON((u32)(ring->prod - ring->cons) > ring->actual_size); return ring->prod == ring->cons; } diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index aae13adfb492..8e81e53c370e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -601,7 +601,7 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq) continue; mlx4_dbg(dev, "%s: Sending MLX4_PORT_CHANGE_SUBTYPE_DOWN to slave: %d, port:%d\n", __func__, i, port); - s_info = &priv->mfunc.master.vf_oper[slave].vport[port].state; + s_info = &priv->mfunc.master.vf_oper[i].vport[port].state; if (IFLA_VF_LINK_STATE_AUTO == s_info->link_state) { eqe->event.port_change.port = cpu_to_be32( @@ -640,7 +640,7 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq) continue; if (i == mlx4_master_func_num(dev)) continue; - s_info = &priv->mfunc.master.vf_oper[slave].vport[port].state; + s_info = &priv->mfunc.master.vf_oper[i].vport[port].state; if (IFLA_VF_LINK_STATE_AUTO == s_info->link_state) { eqe->event.port_change.port = cpu_to_be32( diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 12fbfcb44d8a..29c2a017a450 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -2273,6 +2273,11 @@ static int mlx4_allocate_default_counters(struct mlx4_dev *dev) } else if (err == -ENOENT) { err = 0; continue; + } else if (mlx4_is_slave(dev) && err == -EINVAL) { + priv->def_counter[port] = MLX4_SINK_COUNTER_INDEX(dev); + mlx4_warn(dev, "can't allocate counter from old PF driver, using index %d\n", + MLX4_SINK_COUNTER_INDEX(dev)); + err = 0; } else { mlx4_err(dev, "%s: failed to allocate default counter port %d err %d\n", __func__, port + 1, err); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index afad529838de..06e3e1e54c35 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -391,6 +391,8 @@ static int handle_hca_cap(struct mlx5_core_dev *dev) /* disable cmdif checksum */ MLX5_SET(cmd_hca_cap, set_hca_cap, cmdif_checksum, 0); + MLX5_SET(cmd_hca_cap, set_hca_cap, log_uar_page_sz, PAGE_SHIFT - 12); + err = set_caps(dev, set_ctx, set_sz); query_ex: diff --git a/drivers/net/ethernet/micrel/ks8842.c b/drivers/net/ethernet/micrel/ks8842.c index f78909a00f15..09d2e16fd6b0 100644 --- a/drivers/net/ethernet/micrel/ks8842.c +++ b/drivers/net/ethernet/micrel/ks8842.c @@ -952,9 +952,8 @@ static int ks8842_alloc_dma_bufs(struct net_device *netdev) sg_dma_address(&tx_ctl->sg) = dma_map_single(adapter->dev, tx_ctl->buf, DMA_BUFFER_SIZE, DMA_TO_DEVICE); - err = dma_mapping_error(adapter->dev, - sg_dma_address(&tx_ctl->sg)); - if (err) { + if (dma_mapping_error(adapter->dev, sg_dma_address(&tx_ctl->sg))) { + err = -ENOMEM; sg_dma_address(&tx_ctl->sg) = 0; goto err; } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c index 33669c29b341..753ea8bad953 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c @@ -1415,7 +1415,7 @@ static int qlcnic_83xx_copy_fw_file(struct qlcnic_adapter *adapter) if (fw->size & 0xF) { addr = dest + size; for (i = 0; i < (fw->size & 0xF); i++) - data[i] = temp[size + i]; + data[i] = ((u8 *)temp)[size + i]; for (; i < 16; i++) data[i] = 0; ret = qlcnic_ms_mem_write128(adapter, addr, diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 3df51faf18ae..f790f61ea78a 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -4875,10 +4875,12 @@ static void rtl_init_rxcfg(struct rtl8169_private *tp) case RTL_GIGA_MAC_VER_46: case RTL_GIGA_MAC_VER_47: case RTL_GIGA_MAC_VER_48: + RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST | RX_EARLY_OFF); + break; case RTL_GIGA_MAC_VER_49: case RTL_GIGA_MAC_VER_50: case RTL_GIGA_MAC_VER_51: - RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST | RX_EARLY_OFF); + RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); break; default: RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST); diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index fd9745714d90..78849dd4ef8e 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -228,9 +228,7 @@ static void ravb_ring_format(struct net_device *ndev, int q) struct ravb_desc *desc = NULL; int rx_ring_size = sizeof(*rx_desc) * priv->num_rx_ring[q]; int tx_ring_size = sizeof(*tx_desc) * priv->num_tx_ring[q]; - struct sk_buff *skb; dma_addr_t dma_addr; - void *buffer; int i; priv->cur_rx[q] = 0; @@ -241,41 +239,28 @@ static void ravb_ring_format(struct net_device *ndev, int q) memset(priv->rx_ring[q], 0, rx_ring_size); /* Build RX ring buffer */ for (i = 0; i < priv->num_rx_ring[q]; i++) { - priv->rx_skb[q][i] = NULL; - skb = netdev_alloc_skb(ndev, PKT_BUF_SZ + RAVB_ALIGN - 1); - if (!skb) - break; - ravb_set_buffer_align(skb); /* RX descriptor */ rx_desc = &priv->rx_ring[q][i]; /* The size of the buffer should be on 16-byte boundary. */ rx_desc->ds_cc = cpu_to_le16(ALIGN(PKT_BUF_SZ, 16)); - dma_addr = dma_map_single(&ndev->dev, skb->data, + dma_addr = dma_map_single(&ndev->dev, priv->rx_skb[q][i]->data, ALIGN(PKT_BUF_SZ, 16), DMA_FROM_DEVICE); - if (dma_mapping_error(&ndev->dev, dma_addr)) { - dev_kfree_skb(skb); - break; - } - priv->rx_skb[q][i] = skb; + /* We just set the data size to 0 for a failed mapping which + * should prevent DMA from happening... + */ + if (dma_mapping_error(&ndev->dev, dma_addr)) + rx_desc->ds_cc = cpu_to_le16(0); rx_desc->dptr = cpu_to_le32(dma_addr); rx_desc->die_dt = DT_FEMPTY; } rx_desc = &priv->rx_ring[q][i]; rx_desc->dptr = cpu_to_le32((u32)priv->rx_desc_dma[q]); rx_desc->die_dt = DT_LINKFIX; /* type */ - priv->dirty_rx[q] = (u32)(i - priv->num_rx_ring[q]); memset(priv->tx_ring[q], 0, tx_ring_size); /* Build TX ring buffer */ for (i = 0; i < priv->num_tx_ring[q]; i++) { - priv->tx_skb[q][i] = NULL; - priv->tx_buffers[q][i] = NULL; - buffer = kmalloc(PKT_BUF_SZ + RAVB_ALIGN - 1, GFP_KERNEL); - if (!buffer) - break; - /* Aligned TX buffer */ - priv->tx_buffers[q][i] = buffer; tx_desc = &priv->tx_ring[q][i]; tx_desc->die_dt = DT_EEMPTY; } @@ -298,7 +283,10 @@ static void ravb_ring_format(struct net_device *ndev, int q) static int ravb_ring_init(struct net_device *ndev, int q) { struct ravb_private *priv = netdev_priv(ndev); + struct sk_buff *skb; int ring_size; + void *buffer; + int i; /* Allocate RX and TX skb rings */ priv->rx_skb[q] = kcalloc(priv->num_rx_ring[q], @@ -308,12 +296,28 @@ static int ravb_ring_init(struct net_device *ndev, int q) if (!priv->rx_skb[q] || !priv->tx_skb[q]) goto error; + for (i = 0; i < priv->num_rx_ring[q]; i++) { + skb = netdev_alloc_skb(ndev, PKT_BUF_SZ + RAVB_ALIGN - 1); + if (!skb) + goto error; + ravb_set_buffer_align(skb); + priv->rx_skb[q][i] = skb; + } + /* Allocate rings for the aligned buffers */ priv->tx_buffers[q] = kcalloc(priv->num_tx_ring[q], sizeof(*priv->tx_buffers[q]), GFP_KERNEL); if (!priv->tx_buffers[q]) goto error; + for (i = 0; i < priv->num_tx_ring[q]; i++) { + buffer = kmalloc(PKT_BUF_SZ + RAVB_ALIGN - 1, GFP_KERNEL); + if (!buffer) + goto error; + /* Aligned TX buffer */ + priv->tx_buffers[q][i] = buffer; + } + /* Allocate all RX descriptors. */ ring_size = sizeof(struct ravb_ex_rx_desc) * (priv->num_rx_ring[q] + 1); priv->rx_ring[q] = dma_alloc_coherent(NULL, ring_size, @@ -524,6 +528,10 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q) if (--boguscnt < 0) break; + /* We use 0-byte descriptors to mark the DMA mapping errors */ + if (!pkt_len) + continue; + if (desc_status & MSC_MC) stats->multicast++; @@ -543,10 +551,9 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q) skb = priv->rx_skb[q][entry]; priv->rx_skb[q][entry] = NULL; - dma_sync_single_for_cpu(&ndev->dev, - le32_to_cpu(desc->dptr), - ALIGN(PKT_BUF_SZ, 16), - DMA_FROM_DEVICE); + dma_unmap_single(&ndev->dev, le32_to_cpu(desc->dptr), + ALIGN(PKT_BUF_SZ, 16), + DMA_FROM_DEVICE); get_ts &= (q == RAVB_NC) ? RAVB_RXTSTAMP_TYPE_V2_L2_EVENT : ~RAVB_RXTSTAMP_TYPE_V2_L2_EVENT; @@ -584,17 +591,15 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q) if (!skb) break; /* Better luck next round. */ ravb_set_buffer_align(skb); - dma_unmap_single(&ndev->dev, le32_to_cpu(desc->dptr), - ALIGN(PKT_BUF_SZ, 16), - DMA_FROM_DEVICE); dma_addr = dma_map_single(&ndev->dev, skb->data, le16_to_cpu(desc->ds_cc), DMA_FROM_DEVICE); skb_checksum_none_assert(skb); - if (dma_mapping_error(&ndev->dev, dma_addr)) { - dev_kfree_skb_any(skb); - break; - } + /* We just set the data size to 0 for a failed mapping + * which should prevent DMA from happening... + */ + if (dma_mapping_error(&ndev->dev, dma_addr)) + desc->ds_cc = cpu_to_le16(0); desc->dptr = cpu_to_le32(dma_addr); priv->rx_skb[q][entry] = skb; } @@ -1279,7 +1284,6 @@ static netdev_tx_t ravb_start_xmit(struct sk_buff *skb, struct net_device *ndev) u32 dma_addr; void *buffer; u32 entry; - u32 tccr; spin_lock_irqsave(&priv->lock, flags); if (priv->cur_tx[q] - priv->dirty_tx[q] >= priv->num_tx_ring[q]) { @@ -1328,9 +1332,7 @@ static netdev_tx_t ravb_start_xmit(struct sk_buff *skb, struct net_device *ndev) dma_wmb(); desc->die_dt = DT_FSINGLE; - tccr = ravb_read(ndev, TCCR); - if (!(tccr & (TCCR_TSRQ0 << q))) - ravb_write(ndev, tccr | (TCCR_TSRQ0 << q), TCCR); + ravb_write(ndev, ravb_read(ndev, TCCR) | (TCCR_TSRQ0 << q), TCCR); priv->cur_tx[q]++; if (priv->cur_tx[q] - priv->dirty_tx[q] >= priv->num_tx_ring[q] && diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c index 2d8578cade03..2e7f9a2834be 100644 --- a/drivers/net/ethernet/rocker/rocker.c +++ b/drivers/net/ethernet/rocker/rocker.c @@ -4821,6 +4821,7 @@ static void rocker_remove_ports(const struct rocker *rocker) rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, ROCKER_OP_FLAG_REMOVE); unregister_netdev(rocker_port->dev); + free_netdev(rocker_port->dev); } kfree(rocker->ports); } diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 847643455468..605cc8948594 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -101,6 +101,11 @@ static unsigned int efx_ef10_mem_map_size(struct efx_nic *efx) return resource_size(&efx->pci_dev->resource[bar]); } +static bool efx_ef10_is_vf(struct efx_nic *efx) +{ + return efx->type->is_vf; +} + static int efx_ef10_get_pf_index(struct efx_nic *efx) { MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_FUNCTION_INFO_OUT_LEN); @@ -677,6 +682,48 @@ static int efx_ef10_probe_pf(struct efx_nic *efx) return efx_ef10_probe(efx); } +int efx_ef10_vadaptor_alloc(struct efx_nic *efx, unsigned int port_id) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_ALLOC_IN_LEN); + + MCDI_SET_DWORD(inbuf, VADAPTOR_ALLOC_IN_UPSTREAM_PORT_ID, port_id); + return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_ALLOC, inbuf, sizeof(inbuf), + NULL, 0, NULL); +} + +int efx_ef10_vadaptor_free(struct efx_nic *efx, unsigned int port_id) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_FREE_IN_LEN); + + MCDI_SET_DWORD(inbuf, VADAPTOR_FREE_IN_UPSTREAM_PORT_ID, port_id); + return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_FREE, inbuf, sizeof(inbuf), + NULL, 0, NULL); +} + +int efx_ef10_vport_add_mac(struct efx_nic *efx, + unsigned int port_id, u8 *mac) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_ADD_MAC_ADDRESS_IN_LEN); + + MCDI_SET_DWORD(inbuf, VPORT_ADD_MAC_ADDRESS_IN_VPORT_ID, port_id); + ether_addr_copy(MCDI_PTR(inbuf, VPORT_ADD_MAC_ADDRESS_IN_MACADDR), mac); + + return efx_mcdi_rpc(efx, MC_CMD_VPORT_ADD_MAC_ADDRESS, inbuf, + sizeof(inbuf), NULL, 0, NULL); +} + +int efx_ef10_vport_del_mac(struct efx_nic *efx, + unsigned int port_id, u8 *mac) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_DEL_MAC_ADDRESS_IN_LEN); + + MCDI_SET_DWORD(inbuf, VPORT_DEL_MAC_ADDRESS_IN_VPORT_ID, port_id); + ether_addr_copy(MCDI_PTR(inbuf, VPORT_DEL_MAC_ADDRESS_IN_MACADDR), mac); + + return efx_mcdi_rpc(efx, MC_CMD_VPORT_DEL_MAC_ADDRESS, inbuf, + sizeof(inbuf), NULL, 0, NULL); +} + #ifdef CONFIG_SFC_SRIOV static int efx_ef10_probe_vf(struct efx_nic *efx) { @@ -3804,6 +3851,72 @@ static void efx_ef10_filter_sync_rx_mode(struct efx_nic *efx) WARN_ON(remove_failed); } +static int efx_ef10_vport_set_mac_address(struct efx_nic *efx) +{ + struct efx_ef10_nic_data *nic_data = efx->nic_data; + u8 mac_old[ETH_ALEN]; + int rc, rc2; + + /* Only reconfigure a PF-created vport */ + if (is_zero_ether_addr(nic_data->vport_mac)) + return 0; + + efx_device_detach_sync(efx); + efx_net_stop(efx->net_dev); + down_write(&efx->filter_sem); + efx_ef10_filter_table_remove(efx); + up_write(&efx->filter_sem); + + rc = efx_ef10_vadaptor_free(efx, nic_data->vport_id); + if (rc) + goto restore_filters; + + ether_addr_copy(mac_old, nic_data->vport_mac); + rc = efx_ef10_vport_del_mac(efx, nic_data->vport_id, + nic_data->vport_mac); + if (rc) + goto restore_vadaptor; + + rc = efx_ef10_vport_add_mac(efx, nic_data->vport_id, + efx->net_dev->dev_addr); + if (!rc) { + ether_addr_copy(nic_data->vport_mac, efx->net_dev->dev_addr); + } else { + rc2 = efx_ef10_vport_add_mac(efx, nic_data->vport_id, mac_old); + if (rc2) { + /* Failed to add original MAC, so clear vport_mac */ + eth_zero_addr(nic_data->vport_mac); + goto reset_nic; + } + } + +restore_vadaptor: + rc2 = efx_ef10_vadaptor_alloc(efx, nic_data->vport_id); + if (rc2) + goto reset_nic; +restore_filters: + down_write(&efx->filter_sem); + rc2 = efx_ef10_filter_table_probe(efx); + up_write(&efx->filter_sem); + if (rc2) + goto reset_nic; + + rc2 = efx_net_open(efx->net_dev); + if (rc2) + goto reset_nic; + + netif_device_attach(efx->net_dev); + + return rc; + +reset_nic: + netif_err(efx, drv, efx->net_dev, + "Failed to restore when changing MAC address - scheduling reset\n"); + efx_schedule_reset(efx, RESET_TYPE_DATAPATH); + + return rc ? rc : rc2; +} + static int efx_ef10_set_mac_address(struct efx_nic *efx) { MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_SET_MAC_IN_LEN); @@ -3820,8 +3933,8 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx) efx->net_dev->dev_addr); MCDI_SET_DWORD(inbuf, VADAPTOR_SET_MAC_IN_UPSTREAM_PORT_ID, nic_data->vport_id); - rc = efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_SET_MAC, inbuf, - sizeof(inbuf), NULL, 0, NULL); + rc = efx_mcdi_rpc_quiet(efx, MC_CMD_VADAPTOR_SET_MAC, inbuf, + sizeof(inbuf), NULL, 0, NULL); efx_ef10_filter_table_probe(efx); up_write(&efx->filter_sem); @@ -3829,38 +3942,27 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx) efx_net_open(efx->net_dev); netif_device_attach(efx->net_dev); -#if !defined(CONFIG_SFC_SRIOV) - if (rc == -EPERM) - netif_err(efx, drv, efx->net_dev, - "Cannot change MAC address; use sfboot to enable mac-spoofing" - " on this interface\n"); -#else - if (rc == -EPERM) { +#ifdef CONFIG_SFC_SRIOV + if (efx->pci_dev->is_virtfn && efx->pci_dev->physfn) { struct pci_dev *pci_dev_pf = efx->pci_dev->physfn; - /* Switch to PF and change MAC address on vport */ - if (efx->pci_dev->is_virtfn && pci_dev_pf) { - struct efx_nic *efx_pf = pci_get_drvdata(pci_dev_pf); + if (rc == -EPERM) { + struct efx_nic *efx_pf; - if (!efx_ef10_sriov_set_vf_mac(efx_pf, - nic_data->vf_index, - efx->net_dev->dev_addr)) - return 0; - } - netif_err(efx, drv, efx->net_dev, - "Cannot change MAC address; use sfboot to enable mac-spoofing" - " on this interface\n"); - } else if (efx->pci_dev->is_virtfn) { - /* Successfully changed by VF (with MAC spoofing), so update the - * parent PF if possible. - */ - struct pci_dev *pci_dev_pf = efx->pci_dev->physfn; + /* Switch to PF and change MAC address on vport */ + efx_pf = pci_get_drvdata(pci_dev_pf); - if (pci_dev_pf) { + rc = efx_ef10_sriov_set_vf_mac(efx_pf, + nic_data->vf_index, + efx->net_dev->dev_addr); + } else if (!rc) { struct efx_nic *efx_pf = pci_get_drvdata(pci_dev_pf); struct efx_ef10_nic_data *nic_data = efx_pf->nic_data; unsigned int i; + /* MAC address successfully changed by VF (with MAC + * spoofing) so update the parent PF if possible. + */ for (i = 0; i < efx_pf->vf_count; ++i) { struct ef10_vf *vf = nic_data->vf + i; @@ -3871,8 +3973,24 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx) } } } - } + } else #endif + if (rc == -EPERM) { + netif_err(efx, drv, efx->net_dev, + "Cannot change MAC address; use sfboot to enable" + " mac-spoofing on this interface\n"); + } else if (rc == -ENOSYS && !efx_ef10_is_vf(efx)) { + /* If the active MCFW does not support MC_CMD_VADAPTOR_SET_MAC + * fall-back to the method of changing the MAC address on the + * vport. This only applies to PFs because such versions of + * MCFW do not support VFs. + */ + rc = efx_ef10_vport_set_mac_address(efx); + } else { + efx_mcdi_display_error(efx, MC_CMD_VADAPTOR_SET_MAC, + sizeof(inbuf), NULL, 0, rc); + } + return rc; } diff --git a/drivers/net/ethernet/sfc/ef10_sriov.c b/drivers/net/ethernet/sfc/ef10_sriov.c index 6c9b6e45509a..3c17f274e802 100644 --- a/drivers/net/ethernet/sfc/ef10_sriov.c +++ b/drivers/net/ethernet/sfc/ef10_sriov.c @@ -29,30 +29,6 @@ static int efx_ef10_evb_port_assign(struct efx_nic *efx, unsigned int port_id, NULL, 0, NULL); } -static int efx_ef10_vport_add_mac(struct efx_nic *efx, - unsigned int port_id, u8 *mac) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_ADD_MAC_ADDRESS_IN_LEN); - - MCDI_SET_DWORD(inbuf, VPORT_ADD_MAC_ADDRESS_IN_VPORT_ID, port_id); - ether_addr_copy(MCDI_PTR(inbuf, VPORT_ADD_MAC_ADDRESS_IN_MACADDR), mac); - - return efx_mcdi_rpc(efx, MC_CMD_VPORT_ADD_MAC_ADDRESS, inbuf, - sizeof(inbuf), NULL, 0, NULL); -} - -static int efx_ef10_vport_del_mac(struct efx_nic *efx, - unsigned int port_id, u8 *mac) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_DEL_MAC_ADDRESS_IN_LEN); - - MCDI_SET_DWORD(inbuf, VPORT_DEL_MAC_ADDRESS_IN_VPORT_ID, port_id); - ether_addr_copy(MCDI_PTR(inbuf, VPORT_DEL_MAC_ADDRESS_IN_MACADDR), mac); - - return efx_mcdi_rpc(efx, MC_CMD_VPORT_DEL_MAC_ADDRESS, inbuf, - sizeof(inbuf), NULL, 0, NULL); -} - static int efx_ef10_vswitch_alloc(struct efx_nic *efx, unsigned int port_id, unsigned int vswitch_type) { @@ -136,24 +112,6 @@ static int efx_ef10_vport_free(struct efx_nic *efx, unsigned int port_id) NULL, 0, NULL); } -static int efx_ef10_vadaptor_alloc(struct efx_nic *efx, unsigned int port_id) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_ALLOC_IN_LEN); - - MCDI_SET_DWORD(inbuf, VADAPTOR_ALLOC_IN_UPSTREAM_PORT_ID, port_id); - return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_ALLOC, inbuf, sizeof(inbuf), - NULL, 0, NULL); -} - -static int efx_ef10_vadaptor_free(struct efx_nic *efx, unsigned int port_id) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_FREE_IN_LEN); - - MCDI_SET_DWORD(inbuf, VADAPTOR_FREE_IN_UPSTREAM_PORT_ID, port_id); - return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_FREE, inbuf, sizeof(inbuf), - NULL, 0, NULL); -} - static void efx_ef10_sriov_free_vf_vports(struct efx_nic *efx) { struct efx_ef10_nic_data *nic_data = efx->nic_data; @@ -640,21 +598,21 @@ int efx_ef10_sriov_set_vf_vlan(struct efx_nic *efx, int vf_i, u16 vlan, MC_CMD_VPORT_ALLOC_IN_VPORT_TYPE_NORMAL, vf->vlan, &vf->vport_id); if (rc) - goto reset_nic; + goto reset_nic_up_write; restore_mac: if (!is_zero_ether_addr(vf->mac)) { rc2 = efx_ef10_vport_add_mac(efx, vf->vport_id, vf->mac); if (rc2) { eth_zero_addr(vf->mac); - goto reset_nic; + goto reset_nic_up_write; } } restore_evb_port: rc2 = efx_ef10_evb_port_assign(efx, vf->vport_id, vf_i); if (rc2) - goto reset_nic; + goto reset_nic_up_write; else vf->vport_assigned = 1; @@ -662,14 +620,16 @@ restore_vadaptor: if (vf->efx) { rc2 = efx_ef10_vadaptor_alloc(vf->efx, EVB_PORT_ID_ASSIGNED); if (rc2) - goto reset_nic; + goto reset_nic_up_write; } restore_filters: if (vf->efx) { rc2 = vf->efx->type->filter_table_probe(vf->efx); if (rc2) - goto reset_nic; + goto reset_nic_up_write; + + up_write(&vf->efx->filter_sem); up_write(&vf->efx->filter_sem); @@ -681,9 +641,12 @@ restore_filters: } return rc; +reset_nic_up_write: + if (vf->efx) + up_write(&vf->efx->filter_sem); + reset_nic: if (vf->efx) { - up_write(&vf->efx->filter_sem); netif_err(efx, drv, efx->net_dev, "Failed to restore VF - scheduling reset.\n"); efx_schedule_reset(vf->efx, RESET_TYPE_DATAPATH); diff --git a/drivers/net/ethernet/sfc/ef10_sriov.h b/drivers/net/ethernet/sfc/ef10_sriov.h index db4ef537c610..6d25b92cb45e 100644 --- a/drivers/net/ethernet/sfc/ef10_sriov.h +++ b/drivers/net/ethernet/sfc/ef10_sriov.h @@ -65,5 +65,11 @@ int efx_ef10_vswitching_restore_pf(struct efx_nic *efx); int efx_ef10_vswitching_restore_vf(struct efx_nic *efx); void efx_ef10_vswitching_remove_pf(struct efx_nic *efx); void efx_ef10_vswitching_remove_vf(struct efx_nic *efx); +int efx_ef10_vport_add_mac(struct efx_nic *efx, + unsigned int port_id, u8 *mac); +int efx_ef10_vport_del_mac(struct efx_nic *efx, + unsigned int port_id, u8 *mac); +int efx_ef10_vadaptor_alloc(struct efx_nic *efx, unsigned int port_id); +int efx_ef10_vadaptor_free(struct efx_nic *efx, unsigned int port_id); #endif /* EF10_SRIOV_H */ diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 804b9ad553d3..03bc03b67f08 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -245,11 +245,17 @@ static int efx_check_disabled(struct efx_nic *efx) */ static int efx_process_channel(struct efx_channel *channel, int budget) { + struct efx_tx_queue *tx_queue; int spent; if (unlikely(!channel->enabled)) return 0; + efx_for_each_channel_tx_queue(tx_queue, channel) { + tx_queue->pkts_compl = 0; + tx_queue->bytes_compl = 0; + } + spent = efx_nic_process_eventq(channel, budget); if (spent && efx_channel_has_rx_queue(channel)) { struct efx_rx_queue *rx_queue = @@ -259,6 +265,14 @@ static int efx_process_channel(struct efx_channel *channel, int budget) efx_fast_push_rx_descriptors(rx_queue, true); } + /* Update BQL */ + efx_for_each_channel_tx_queue(tx_queue, channel) { + if (tx_queue->bytes_compl) { + netdev_tx_completed_queue(tx_queue->core_txq, + tx_queue->pkts_compl, tx_queue->bytes_compl); + } + } + return spent; } diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index d72f522bf9c3..47d1e3a96522 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -241,6 +241,8 @@ struct efx_tx_queue { unsigned int read_count ____cacheline_aligned_in_smp; unsigned int old_write_count; unsigned int merge_events; + unsigned int bytes_compl; + unsigned int pkts_compl; /* Members used only on the xmit path */ unsigned int insert_count ____cacheline_aligned_in_smp; diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index aaf2987512b5..1833a0146571 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -617,7 +617,8 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index) EFX_BUG_ON_PARANOID(index > tx_queue->ptr_mask); efx_dequeue_buffers(tx_queue, index, &pkts_compl, &bytes_compl); - netdev_tx_completed_queue(tx_queue->core_txq, pkts_compl, bytes_compl); + tx_queue->pkts_compl += pkts_compl; + tx_queue->bytes_compl += bytes_compl; if (pkts_compl > 1) ++tx_queue->merge_events; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c index 7e3129e7f143..f0e4bb4e3ec5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c @@ -42,7 +42,7 @@ #define NSS_COMMON_CLK_DIV_MASK 0x7f #define NSS_COMMON_CLK_SRC_CTRL 0x14 -#define NSS_COMMON_CLK_SRC_CTRL_OFFSET(x) (1 << x) +#define NSS_COMMON_CLK_SRC_CTRL_OFFSET(x) (x) /* Mode is coded on 1 bit but is different depending on the MAC ID: * MAC0: QSGMII=0 RGMII=1 * MAC1: QSGMII=0 SGMII=0 RGMII=1 @@ -291,7 +291,7 @@ static void *ipq806x_gmac_setup(struct platform_device *pdev) /* Configure the clock src according to the mode */ regmap_read(gmac->nss_common, NSS_COMMON_CLK_SRC_CTRL, &val); - val &= ~NSS_COMMON_CLK_SRC_CTRL_OFFSET(gmac->id); + val &= ~(1 << NSS_COMMON_CLK_SRC_CTRL_OFFSET(gmac->id)); switch (gmac->phy_mode) { case PHY_INTERFACE_MODE_RGMII: val |= NSS_COMMON_CLK_SRC_CTRL_RGMII(gmac->id) << diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 50f7a7a26821..864b476f7fd5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2843,7 +2843,7 @@ int stmmac_dvr_probe(struct device *device, if (res->mac) memcpy(priv->dev->dev_addr, res->mac, ETH_ALEN); - dev_set_drvdata(device, priv); + dev_set_drvdata(device, priv->dev); /* Verify driver arguments */ stmmac_verify_args(); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index f3918c7e7eeb..bcdc8955c719 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -413,3 +413,7 @@ static int stmmac_pltfr_resume(struct device *dev) SIMPLE_DEV_PM_OPS(stmmac_pltfr_pm_ops, stmmac_pltfr_suspend, stmmac_pltfr_resume); EXPORT_SYMBOL_GPL(stmmac_pltfr_pm_ops); + +MODULE_DESCRIPTION("STMMAC 10/100/1000 Ethernet platform support"); +MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index 0c5842aeb807..ab6051a43134 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -6658,10 +6658,8 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb, struct sk_buff *skb_new; skb_new = skb_realloc_headroom(skb, len); - if (!skb_new) { - rp->tx_errors++; + if (!skb_new) goto out_drop; - } kfree_skb(skb); skb = skb_new; } else diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 462820514fae..d155bf2573cd 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -138,19 +138,6 @@ do { \ #define CPSW_CMINTMAX_INTVL (1000 / CPSW_CMINTMIN_CNT) #define CPSW_CMINTMIN_INTVL ((1000 / CPSW_CMINTMAX_CNT) + 1) -#define cpsw_enable_irq(priv) \ - do { \ - u32 i; \ - for (i = 0; i < priv->num_irqs; i++) \ - enable_irq(priv->irqs_table[i]); \ - } while (0) -#define cpsw_disable_irq(priv) \ - do { \ - u32 i; \ - for (i = 0; i < priv->num_irqs; i++) \ - disable_irq_nosync(priv->irqs_table[i]); \ - } while (0) - #define cpsw_slave_index(priv) \ ((priv->data.dual_emac) ? priv->emac_port : \ priv->data.active_slave) @@ -509,9 +496,11 @@ static const struct cpsw_stats cpsw_gstrings_stats[] = { (func)(slave++, ##arg); \ } while (0) #define cpsw_get_slave_ndev(priv, __slave_no__) \ - (priv->slaves[__slave_no__].ndev) + ((__slave_no__ < priv->data.slaves) ? \ + priv->slaves[__slave_no__].ndev : NULL) #define cpsw_get_slave_priv(priv, __slave_no__) \ - ((priv->slaves[__slave_no__].ndev) ? \ + (((__slave_no__ < priv->data.slaves) && \ + (priv->slaves[__slave_no__].ndev)) ? \ netdev_priv(priv->slaves[__slave_no__].ndev) : NULL) \ #define cpsw_dual_emac_src_port_detect(status, priv, ndev, skb) \ @@ -781,7 +770,7 @@ static irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id) cpsw_intr_disable(priv); if (priv->irq_enabled == true) { - cpsw_disable_irq(priv); + disable_irq_nosync(priv->irqs_table[0]); priv->irq_enabled = false; } @@ -804,9 +793,7 @@ static irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id) static int cpsw_poll(struct napi_struct *napi, int budget) { struct cpsw_priv *priv = napi_to_priv(napi); - int num_tx, num_rx; - - num_tx = cpdma_chan_process(priv->txch, 128); + int num_rx; num_rx = cpdma_chan_process(priv->rxch, budget); if (num_rx < budget) { @@ -817,13 +804,12 @@ static int cpsw_poll(struct napi_struct *napi, int budget) prim_cpsw = cpsw_get_slave_priv(priv, 0); if (prim_cpsw->irq_enabled == false) { prim_cpsw->irq_enabled = true; - cpsw_enable_irq(priv); + enable_irq(priv->irqs_table[0]); } } - if (num_rx || num_tx) - cpsw_dbg(priv, intr, "poll %d rx, %d tx pkts\n", - num_rx, num_tx); + if (num_rx) + cpsw_dbg(priv, intr, "poll %d rx pkts\n", num_rx); return num_rx; } @@ -1333,7 +1319,7 @@ static int cpsw_ndo_open(struct net_device *ndev) if (prim_cpsw->irq_enabled == false) { if ((priv == prim_cpsw) || !netif_running(prim_cpsw->ndev)) { prim_cpsw->irq_enabled = true; - cpsw_enable_irq(prim_cpsw); + enable_irq(prim_cpsw->irqs_table[0]); } } diff --git a/drivers/net/ethernet/ti/netcp.h b/drivers/net/ethernet/ti/netcp.h index bbacf5cccec2..bb1bb72121c0 100644 --- a/drivers/net/ethernet/ti/netcp.h +++ b/drivers/net/ethernet/ti/netcp.h @@ -85,7 +85,6 @@ struct netcp_intf { struct list_head rxhook_list_head; unsigned int rx_queue_id; void *rx_fdq[KNAV_DMA_FDQ_PER_CHAN]; - u32 rx_buffer_sizes[KNAV_DMA_FDQ_PER_CHAN]; struct napi_struct rx_napi; struct napi_struct tx_napi; @@ -223,6 +222,7 @@ void *netcp_device_find_module(struct netcp_device *netcp_device, /* SGMII functions */ int netcp_sgmii_reset(void __iomem *sgmii_ofs, int port); +bool netcp_sgmii_rtreset(void __iomem *sgmii_ofs, int port, bool set); int netcp_sgmii_get_port_link(void __iomem *sgmii_ofs, int port); int netcp_sgmii_config(void __iomem *sgmii_ofs, int port, u32 interface); diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c index 5ec4ed3f6c8d..4755838c6137 100644 --- a/drivers/net/ethernet/ti/netcp_core.c +++ b/drivers/net/ethernet/ti/netcp_core.c @@ -34,6 +34,7 @@ #define NETCP_SOP_OFFSET (NET_IP_ALIGN + NET_SKB_PAD) #define NETCP_NAPI_WEIGHT 64 #define NETCP_TX_TIMEOUT (5 * HZ) +#define NETCP_PACKET_SIZE (ETH_FRAME_LEN + ETH_FCS_LEN) #define NETCP_MIN_PACKET_SIZE ETH_ZLEN #define NETCP_MAX_MCAST_ADDR 16 @@ -804,30 +805,28 @@ static void netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq) if (likely(fdq == 0)) { unsigned int primary_buf_len; /* Allocate a primary receive queue entry */ - buf_len = netcp->rx_buffer_sizes[0] + NETCP_SOP_OFFSET; + buf_len = NETCP_PACKET_SIZE + NETCP_SOP_OFFSET; primary_buf_len = SKB_DATA_ALIGN(buf_len) + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); - if (primary_buf_len <= PAGE_SIZE) { - bufptr = netdev_alloc_frag(primary_buf_len); - pad[1] = primary_buf_len; - } else { - bufptr = kmalloc(primary_buf_len, GFP_ATOMIC | - GFP_DMA32 | __GFP_COLD); - pad[1] = 0; - } + bufptr = netdev_alloc_frag(primary_buf_len); + pad[1] = primary_buf_len; if (unlikely(!bufptr)) { - dev_warn_ratelimited(netcp->ndev_dev, "Primary RX buffer alloc failed\n"); + dev_warn_ratelimited(netcp->ndev_dev, + "Primary RX buffer alloc failed\n"); goto fail; } dma = dma_map_single(netcp->dev, bufptr, buf_len, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(netcp->dev, dma))) + goto fail; + pad[0] = (u32)bufptr; } else { /* Allocate a secondary receive queue entry */ - page = alloc_page(GFP_ATOMIC | GFP_DMA32 | __GFP_COLD); + page = alloc_page(GFP_ATOMIC | GFP_DMA | __GFP_COLD); if (unlikely(!page)) { dev_warn_ratelimited(netcp->ndev_dev, "Secondary page alloc failed\n"); goto fail; @@ -1010,7 +1009,7 @@ netcp_tx_map_skb(struct sk_buff *skb, struct netcp_intf *netcp) /* Map the linear buffer */ dma_addr = dma_map_single(dev, skb->data, pkt_len, DMA_TO_DEVICE); - if (unlikely(!dma_addr)) { + if (unlikely(dma_mapping_error(dev, dma_addr))) { dev_err(netcp->ndev_dev, "Failed to map skb buffer\n"); return NULL; } @@ -1546,8 +1545,8 @@ static int netcp_setup_navigator_resources(struct net_device *ndev) knav_queue_disable_notify(netcp->rx_queue); /* open Rx FDQs */ - for (i = 0; i < KNAV_DMA_FDQ_PER_CHAN && - netcp->rx_queue_depths[i] && netcp->rx_buffer_sizes[i]; ++i) { + for (i = 0; i < KNAV_DMA_FDQ_PER_CHAN && netcp->rx_queue_depths[i]; + ++i) { snprintf(name, sizeof(name), "rx-fdq-%s-%d", ndev->name, i); netcp->rx_fdq[i] = knav_queue_open(name, KNAV_QUEUE_GP, 0); if (IS_ERR_OR_NULL(netcp->rx_fdq[i])) { @@ -1617,11 +1616,11 @@ static int netcp_ndo_open(struct net_device *ndev) } mutex_unlock(&netcp_modules_lock); - netcp_rxpool_refill(netcp); napi_enable(&netcp->rx_napi); napi_enable(&netcp->tx_napi); knav_queue_enable_notify(netcp->tx_compl_q); knav_queue_enable_notify(netcp->rx_queue); + netcp_rxpool_refill(netcp); netif_tx_wake_all_queues(ndev); dev_dbg(netcp->ndev_dev, "netcp device %s opened\n", ndev->name); return 0; @@ -1941,14 +1940,6 @@ static int netcp_create_interface(struct netcp_device *netcp_device, netcp->rx_queue_depths[0] = 128; } - ret = of_property_read_u32_array(node_interface, "rx-buffer-size", - netcp->rx_buffer_sizes, - KNAV_DMA_FDQ_PER_CHAN); - if (ret) { - dev_err(dev, "missing \"rx-buffer-size\" parameter\n"); - netcp->rx_buffer_sizes[0] = 1536; - } - ret = of_property_read_u32_array(node_interface, "rx-pool", temp, 2); if (ret < 0) { dev_err(dev, "missing \"rx-pool\" parameter\n"); @@ -2112,6 +2103,7 @@ probe_quit: static int netcp_remove(struct platform_device *pdev) { struct netcp_device *netcp_device = platform_get_drvdata(pdev); + struct netcp_intf *netcp_intf, *netcp_tmp; struct netcp_inst_modpriv *inst_modpriv, *tmp; struct netcp_module *module; @@ -2123,10 +2115,17 @@ static int netcp_remove(struct platform_device *pdev) list_del(&inst_modpriv->inst_list); kfree(inst_modpriv); } - WARN(!list_empty(&netcp_device->interface_head), "%s interface list not empty!\n", - pdev->name); - devm_kfree(&pdev->dev, netcp_device); + /* now that all modules are removed, clean up the interfaces */ + list_for_each_entry_safe(netcp_intf, netcp_tmp, + &netcp_device->interface_head, + interface_list) { + netcp_delete_interface(netcp_device, netcp_intf->ndev); + } + + WARN(!list_empty(&netcp_device->interface_head), + "%s interface list not empty!\n", pdev->name); + pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); platform_set_drvdata(pdev, NULL); diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c index 9b7e0a34c98b..1974a8ae764a 100644 --- a/drivers/net/ethernet/ti/netcp_ethss.c +++ b/drivers/net/ethernet/ti/netcp_ethss.c @@ -1901,11 +1901,28 @@ static void gbe_port_config(struct gbe_priv *gbe_dev, struct gbe_slave *slave, writel(slave->mac_control, GBE_REG_ADDR(slave, emac_regs, mac_control)); } +static void gbe_sgmii_rtreset(struct gbe_priv *priv, + struct gbe_slave *slave, bool set) +{ + void __iomem *sgmii_port_regs; + + if (SLAVE_LINK_IS_XGMII(slave)) + return; + + if ((priv->ss_version == GBE_SS_VERSION_14) && (slave->slave_num >= 2)) + sgmii_port_regs = priv->sgmii_port34_regs; + else + sgmii_port_regs = priv->sgmii_port_regs; + + netcp_sgmii_rtreset(sgmii_port_regs, slave->slave_num, set); +} + static void gbe_slave_stop(struct gbe_intf *intf) { struct gbe_priv *gbe_dev = intf->gbe_dev; struct gbe_slave *slave = intf->slave; + gbe_sgmii_rtreset(gbe_dev, slave, true); gbe_port_reset(slave); /* Disable forwarding */ cpsw_ale_control_set(gbe_dev->ale, slave->port_num, @@ -1947,6 +1964,7 @@ static int gbe_slave_open(struct gbe_intf *gbe_intf) gbe_sgmii_config(priv, slave); gbe_port_reset(slave); + gbe_sgmii_rtreset(priv, slave, false); gbe_port_config(priv, slave, priv->rx_packet_max); gbe_set_slave_mac(slave, gbe_intf); /* enable forwarding */ @@ -2490,10 +2508,9 @@ static void free_secondary_ports(struct gbe_priv *gbe_dev) { struct gbe_slave *slave; - for (;;) { + while (!list_empty(&gbe_dev->secondary_slaves)) { slave = first_sec_slave(gbe_dev); - if (!slave) - break; + if (slave->phy) phy_disconnect(slave->phy); list_del(&slave->slave_list); @@ -2839,14 +2856,13 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, &gbe_dev->dma_chan_name); if (ret < 0) { dev_err(dev, "missing \"tx-channel\" parameter\n"); - ret = -ENODEV; - goto quit; + return -EINVAL; } if (!strcmp(node->name, "gbe")) { ret = get_gbe_resource_version(gbe_dev, node); if (ret) - goto quit; + return ret; dev_dbg(dev, "ss_version: 0x%08x\n", gbe_dev->ss_version); @@ -2857,22 +2873,20 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, else ret = -ENODEV; - if (ret) - goto quit; } else if (!strcmp(node->name, "xgbe")) { ret = set_xgbe_ethss10_priv(gbe_dev, node); if (ret) - goto quit; + return ret; ret = netcp_xgbe_serdes_init(gbe_dev->xgbe_serdes_regs, gbe_dev->ss_regs); - if (ret) - goto quit; } else { dev_err(dev, "unknown GBE node(%s)\n", node->name); ret = -ENODEV; - goto quit; } + if (ret) + return ret; + interfaces = of_get_child_by_name(node, "interfaces"); if (!interfaces) dev_err(dev, "could not find interfaces\n"); @@ -2880,11 +2894,11 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, ret = netcp_txpipe_init(&gbe_dev->tx_pipe, netcp_device, gbe_dev->dma_chan_name, gbe_dev->tx_queue_id); if (ret) - goto quit; + return ret; ret = netcp_txpipe_open(&gbe_dev->tx_pipe); if (ret) - goto quit; + return ret; /* Create network interfaces */ INIT_LIST_HEAD(&gbe_dev->gbe_intf_head); @@ -2899,6 +2913,7 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves) break; } + of_node_put(interfaces); if (!gbe_dev->num_slaves) dev_warn(dev, "No network interface configured\n"); @@ -2911,9 +2926,10 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, of_node_put(secondary_ports); if (!gbe_dev->num_slaves) { - dev_err(dev, "No network interface or secondary ports configured\n"); + dev_err(dev, + "No network interface or secondary ports configured\n"); ret = -ENODEV; - goto quit; + goto free_sec_ports; } memset(&ale_params, 0, sizeof(ale_params)); @@ -2927,7 +2943,7 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, if (!gbe_dev->ale) { dev_err(gbe_dev->dev, "error initializing ale engine\n"); ret = -ENODEV; - goto quit; + goto free_sec_ports; } else { dev_dbg(gbe_dev->dev, "Created a gbe ale engine\n"); } @@ -2943,14 +2959,8 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, *inst_priv = gbe_dev; return 0; -quit: - if (gbe_dev->hw_stats) - devm_kfree(dev, gbe_dev->hw_stats); - cpsw_ale_destroy(gbe_dev->ale); - if (gbe_dev->ss_regs) - devm_iounmap(dev, gbe_dev->ss_regs); - of_node_put(interfaces); - devm_kfree(dev, gbe_dev); +free_sec_ports: + free_secondary_ports(gbe_dev); return ret; } @@ -3023,12 +3033,9 @@ static int gbe_remove(struct netcp_device *netcp_device, void *inst_priv) free_secondary_ports(gbe_dev); if (!list_empty(&gbe_dev->gbe_intf_head)) - dev_alert(gbe_dev->dev, "unreleased ethss interfaces present\n"); + dev_alert(gbe_dev->dev, + "unreleased ethss interfaces present\n"); - devm_kfree(gbe_dev->dev, gbe_dev->hw_stats); - devm_iounmap(gbe_dev->dev, gbe_dev->ss_regs); - memset(gbe_dev, 0x00, sizeof(*gbe_dev)); - devm_kfree(gbe_dev->dev, gbe_dev); return 0; } diff --git a/drivers/net/ethernet/ti/netcp_sgmii.c b/drivers/net/ethernet/ti/netcp_sgmii.c index dbeb14266e2f..5d8419f658d0 100644 --- a/drivers/net/ethernet/ti/netcp_sgmii.c +++ b/drivers/net/ethernet/ti/netcp_sgmii.c @@ -18,6 +18,9 @@ #include "netcp.h" +#define SGMII_SRESET_RESET BIT(0) +#define SGMII_SRESET_RTRESET BIT(1) + #define SGMII_REG_STATUS_LOCK BIT(4) #define SGMII_REG_STATUS_LINK BIT(0) #define SGMII_REG_STATUS_AUTONEG BIT(2) @@ -51,12 +54,35 @@ static void sgmii_write_reg_bit(void __iomem *base, int reg, u32 val) int netcp_sgmii_reset(void __iomem *sgmii_ofs, int port) { /* Soft reset */ - sgmii_write_reg_bit(sgmii_ofs, SGMII_SRESET_REG(port), 0x1); - while (sgmii_read_reg(sgmii_ofs, SGMII_SRESET_REG(port)) != 0x0) + sgmii_write_reg_bit(sgmii_ofs, SGMII_SRESET_REG(port), + SGMII_SRESET_RESET); + + while ((sgmii_read_reg(sgmii_ofs, SGMII_SRESET_REG(port)) & + SGMII_SRESET_RESET) != 0x0) ; + return 0; } +/* port is 0 based */ +bool netcp_sgmii_rtreset(void __iomem *sgmii_ofs, int port, bool set) +{ + u32 reg; + bool oldval; + + /* Initiate a soft reset */ + reg = sgmii_read_reg(sgmii_ofs, SGMII_SRESET_REG(port)); + oldval = (reg & SGMII_SRESET_RTRESET) != 0x0; + if (set) + reg |= SGMII_SRESET_RTRESET; + else + reg &= ~SGMII_SRESET_RTRESET; + sgmii_write_reg(sgmii_ofs, SGMII_SRESET_REG(port), reg); + wmb(); + + return oldval; +} + int netcp_sgmii_get_port_link(void __iomem *sgmii_ofs, int port) { u32 status = 0, link = 0; diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 4208dd7ef101..d95f9aae95e7 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -1530,9 +1530,9 @@ static int axienet_probe(struct platform_device *pdev) /* Map device registers */ ethres = platform_get_resource(pdev, IORESOURCE_MEM, 0); lp->regs = devm_ioremap_resource(&pdev->dev, ethres); - if (!lp->regs) { + if (IS_ERR(lp->regs)) { dev_err(&pdev->dev, "could not map Axi Ethernet regs.\n"); - ret = -ENOMEM; + ret = PTR_ERR(lp->regs); goto free_netdev; } @@ -1599,9 +1599,9 @@ static int axienet_probe(struct platform_device *pdev) goto free_netdev; } lp->dma_regs = devm_ioremap_resource(&pdev->dev, &dmares); - if (!lp->dma_regs) { + if (IS_ERR(lp->dma_regs)) { dev_err(&pdev->dev, "could not map DMA regs\n"); - ret = -ENOMEM; + ret = PTR_ERR(lp->dma_regs); goto free_netdev; } lp->rx_irq = irq_of_parse_and_map(np, 1); diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c index 7856b6ccf5c5..d95a50ae996d 100644 --- a/drivers/net/hamradio/bpqether.c +++ b/drivers/net/hamradio/bpqether.c @@ -482,6 +482,7 @@ static void bpq_setup(struct net_device *dev) memcpy(dev->dev_addr, &ax25_defaddr, AX25_ADDR_LEN); dev->flags = 0; + dev->features = NETIF_F_LLTX; /* Allow recursion */ #if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE) dev->header_ops = &ax25_header_ops; diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index 2ffbf13471d0..216bfd350169 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -728,11 +728,12 @@ static int mkiss_open(struct tty_struct *tty) dev->type = ARPHRD_AX25; /* Perform the low-level AX25 initialization. */ - if ((err = ax_open(ax->dev))) { + err = ax_open(ax->dev); + if (err) goto out_free_netdev; - } - if (register_netdev(dev)) + err = register_netdev(dev); + if (err) goto out_free_buffers; /* after register_netdev() - because else printk smashes the kernel */ diff --git a/drivers/net/ipvlan/ipvlan.h b/drivers/net/ipvlan/ipvlan.h index 953a97492fab..9542b7bac61a 100644 --- a/drivers/net/ipvlan/ipvlan.h +++ b/drivers/net/ipvlan/ipvlan.h @@ -67,8 +67,6 @@ struct ipvl_dev { struct ipvl_port *port; struct net_device *phy_dev; struct list_head addrs; - int ipv4cnt; - int ipv6cnt; struct ipvl_pcpu_stats __percpu *pcpu_stats; DECLARE_BITMAP(mac_filters, IPVLAN_MAC_FILTER_SIZE); netdev_features_t sfeatures; @@ -106,6 +104,11 @@ static inline struct ipvl_port *ipvlan_port_get_rcu(const struct net_device *d) return rcu_dereference(d->rx_handler_data); } +static inline struct ipvl_port *ipvlan_port_get_rcu_bh(const struct net_device *d) +{ + return rcu_dereference_bh(d->rx_handler_data); +} + static inline struct ipvl_port *ipvlan_port_get_rtnl(const struct net_device *d) { return rtnl_dereference(d->rx_handler_data); @@ -124,5 +127,5 @@ struct ipvl_addr *ipvlan_find_addr(const struct ipvl_dev *ipvlan, bool ipvlan_addr_busy(struct ipvl_port *port, void *iaddr, bool is_v6); struct ipvl_addr *ipvlan_ht_addr_lookup(const struct ipvl_port *port, const void *iaddr, bool is_v6); -void ipvlan_ht_addr_del(struct ipvl_addr *addr, bool sync); +void ipvlan_ht_addr_del(struct ipvl_addr *addr); #endif /* __IPVLAN_H */ diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c index 8afbedad620d..207f62e8de9a 100644 --- a/drivers/net/ipvlan/ipvlan_core.c +++ b/drivers/net/ipvlan/ipvlan_core.c @@ -85,11 +85,9 @@ void ipvlan_ht_addr_add(struct ipvl_dev *ipvlan, struct ipvl_addr *addr) hlist_add_head_rcu(&addr->hlnode, &port->hlhead[hash]); } -void ipvlan_ht_addr_del(struct ipvl_addr *addr, bool sync) +void ipvlan_ht_addr_del(struct ipvl_addr *addr) { hlist_del_init_rcu(&addr->hlnode); - if (sync) - synchronize_rcu(); } struct ipvl_addr *ipvlan_find_addr(const struct ipvl_dev *ipvlan, @@ -531,7 +529,7 @@ static int ipvlan_xmit_mode_l2(struct sk_buff *skb, struct net_device *dev) int ipvlan_queue_xmit(struct sk_buff *skb, struct net_device *dev) { struct ipvl_dev *ipvlan = netdev_priv(dev); - struct ipvl_port *port = ipvlan_port_get_rcu(ipvlan->phy_dev); + struct ipvl_port *port = ipvlan_port_get_rcu_bh(ipvlan->phy_dev); if (!port) goto out; diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index 1acc283160d9..20b58bdecf75 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -153,10 +153,9 @@ static int ipvlan_open(struct net_device *dev) else dev->flags &= ~IFF_NOARP; - if (ipvlan->ipv6cnt > 0 || ipvlan->ipv4cnt > 0) { - list_for_each_entry(addr, &ipvlan->addrs, anode) - ipvlan_ht_addr_add(ipvlan, addr); - } + list_for_each_entry(addr, &ipvlan->addrs, anode) + ipvlan_ht_addr_add(ipvlan, addr); + return dev_uc_add(phy_dev, phy_dev->dev_addr); } @@ -171,10 +170,9 @@ static int ipvlan_stop(struct net_device *dev) dev_uc_del(phy_dev, phy_dev->dev_addr); - if (ipvlan->ipv6cnt > 0 || ipvlan->ipv4cnt > 0) { - list_for_each_entry(addr, &ipvlan->addrs, anode) - ipvlan_ht_addr_del(addr, !dev->dismantle); - } + list_for_each_entry(addr, &ipvlan->addrs, anode) + ipvlan_ht_addr_del(addr); + return 0; } @@ -471,8 +469,6 @@ static int ipvlan_link_new(struct net *src_net, struct net_device *dev, ipvlan->port = port; ipvlan->sfeatures = IPVLAN_FEATURES; INIT_LIST_HEAD(&ipvlan->addrs); - ipvlan->ipv4cnt = 0; - ipvlan->ipv6cnt = 0; /* TODO Probably put random address here to be presented to the * world but keep using the physical-dev address for the outgoing @@ -508,12 +504,12 @@ static void ipvlan_link_delete(struct net_device *dev, struct list_head *head) struct ipvl_dev *ipvlan = netdev_priv(dev); struct ipvl_addr *addr, *next; - if (ipvlan->ipv6cnt > 0 || ipvlan->ipv4cnt > 0) { - list_for_each_entry_safe(addr, next, &ipvlan->addrs, anode) { - ipvlan_ht_addr_del(addr, !dev->dismantle); - list_del(&addr->anode); - } + list_for_each_entry_safe(addr, next, &ipvlan->addrs, anode) { + ipvlan_ht_addr_del(addr); + list_del(&addr->anode); + kfree_rcu(addr, rcu); } + list_del_rcu(&ipvlan->pnode); unregister_netdevice_queue(dev, head); netdev_upper_dev_unlink(ipvlan->phy_dev, dev); @@ -627,7 +623,7 @@ static int ipvlan_add_addr6(struct ipvl_dev *ipvlan, struct in6_addr *ip6_addr) memcpy(&addr->ip6addr, ip6_addr, sizeof(struct in6_addr)); addr->atype = IPVL_IPV6; list_add_tail(&addr->anode, &ipvlan->addrs); - ipvlan->ipv6cnt++; + /* If the interface is not up, the address will be added to the hash * list by ipvlan_open. */ @@ -645,10 +641,8 @@ static void ipvlan_del_addr6(struct ipvl_dev *ipvlan, struct in6_addr *ip6_addr) if (!addr) return; - ipvlan_ht_addr_del(addr, true); + ipvlan_ht_addr_del(addr); list_del(&addr->anode); - ipvlan->ipv6cnt--; - WARN_ON(ipvlan->ipv6cnt < 0); kfree_rcu(addr, rcu); return; @@ -661,6 +655,10 @@ static int ipvlan_addr6_event(struct notifier_block *unused, struct net_device *dev = (struct net_device *)if6->idev->dev; struct ipvl_dev *ipvlan = netdev_priv(dev); + /* FIXME IPv6 autoconf calls us from bh without RTNL */ + if (in_softirq()) + return NOTIFY_DONE; + if (!netif_is_ipvlan(dev)) return NOTIFY_DONE; @@ -699,7 +697,7 @@ static int ipvlan_add_addr4(struct ipvl_dev *ipvlan, struct in_addr *ip4_addr) memcpy(&addr->ip4addr, ip4_addr, sizeof(struct in_addr)); addr->atype = IPVL_IPV4; list_add_tail(&addr->anode, &ipvlan->addrs); - ipvlan->ipv4cnt++; + /* If the interface is not up, the address will be added to the hash * list by ipvlan_open. */ @@ -717,10 +715,8 @@ static void ipvlan_del_addr4(struct ipvl_dev *ipvlan, struct in_addr *ip4_addr) if (!addr) return; - ipvlan_ht_addr_del(addr, true); + ipvlan_ht_addr_del(addr); list_del(&addr->anode); - ipvlan->ipv4cnt--; - WARN_ON(ipvlan->ipv4cnt < 0); kfree_rcu(addr, rcu); return; diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index f8370808a018..edd77342773a 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -719,6 +719,7 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m, struct virtio_net_hdr vnet_hdr = { 0 }; int vnet_hdr_len = 0; int copylen = 0; + int depth; bool zerocopy = false; size_t linear; ssize_t n; @@ -804,6 +805,12 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m, skb_probe_transport_header(skb, ETH_HLEN); + /* Move network header to the right position for VLAN tagged packets */ + if ((skb->protocol == htons(ETH_P_8021Q) || + skb->protocol == htons(ETH_P_8021AD)) && + __vlan_get_protocol(skb, skb->protocol, &depth) != 0) + skb_set_network_header(skb, depth); + rcu_read_lock(); vlan = rcu_dereference(q->vlan); /* copy skb_ubuf_info for callback when skb has no error */ @@ -1355,6 +1362,7 @@ static void macvtap_exit(void) class_unregister(macvtap_class); cdev_del(&macvtap_cdev); unregister_chrdev_region(macvtap_major, MACVTAP_NUM_DEVS); + idr_destroy(&minor_idr); } module_exit(macvtap_exit); diff --git a/drivers/net/ntb_netdev.c b/drivers/net/ntb_netdev.c index 3cc316cb7e6b..d8757bf9ad75 100644 --- a/drivers/net/ntb_netdev.c +++ b/drivers/net/ntb_netdev.c @@ -102,6 +102,12 @@ static void ntb_netdev_rx_handler(struct ntb_transport_qp *qp, void *qp_data, netdev_dbg(ndev, "%s: %d byte payload received\n", __func__, len); + if (len < 0) { + ndev->stats.rx_errors++; + ndev->stats.rx_length_errors++; + goto enqueue_again; + } + skb_put(skb, len); skb->protocol = eth_type_trans(skb, ndev); skb->ip_summed = CHECKSUM_NONE; @@ -121,6 +127,7 @@ static void ntb_netdev_rx_handler(struct ntb_transport_qp *qp, void *qp_data, return; } +enqueue_again: rc = ntb_transport_rx_enqueue(qp, skb, skb->data, ndev->mtu + ETH_HLEN); if (rc) { dev_kfree_skb(skb); @@ -184,7 +191,7 @@ static int ntb_netdev_open(struct net_device *ndev) rc = ntb_transport_rx_enqueue(dev->qp, skb, skb->data, ndev->mtu + ETH_HLEN); - if (rc == -EINVAL) { + if (rc) { dev_kfree_skb(skb); goto err; } diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index cf18940f4e84..cb86d7a01542 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -191,7 +191,7 @@ config MDIO_BUS_MUX_GPIO config MDIO_BUS_MUX_MMIOREG tristate "Support for MMIO device-controlled MDIO bus multiplexers" - depends on OF_MDIO + depends on OF_MDIO && HAS_IOMEM select MDIO_BUS_MUX help This module provides a driver for MDIO bus multiplexers that diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c index c7a12e2e07b7..8a3bf5469892 100644 --- a/drivers/net/phy/dp83867.c +++ b/drivers/net/phy/dp83867.c @@ -164,7 +164,7 @@ static int dp83867_config_init(struct phy_device *phydev) return ret; } - if ((phydev->interface >= PHY_INTERFACE_MODE_RGMII_ID) || + if ((phydev->interface >= PHY_INTERFACE_MODE_RGMII_ID) && (phydev->interface <= PHY_INTERFACE_MODE_RGMII_RXID)) { val = phy_read_mmd_indirect(phydev, DP83867_RGMIICTL, DP83867_DEVADDR, phydev->addr); diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 095ef3fe369a..46a14cbb0215 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -421,6 +421,8 @@ static int mdio_bus_match(struct device *dev, struct device_driver *drv) { struct phy_device *phydev = to_phy_device(dev); struct phy_driver *phydrv = to_phy_driver(drv); + const int num_ids = ARRAY_SIZE(phydev->c45_ids.device_ids); + int i; if (of_driver_match_device(dev, drv)) return 1; @@ -428,8 +430,21 @@ static int mdio_bus_match(struct device *dev, struct device_driver *drv) if (phydrv->match_phy_device) return phydrv->match_phy_device(phydev); - return (phydrv->phy_id & phydrv->phy_id_mask) == - (phydev->phy_id & phydrv->phy_id_mask); + if (phydev->is_c45) { + for (i = 1; i < num_ids; i++) { + if (!(phydev->c45_ids.devices_in_package & (1 << i))) + continue; + + if ((phydrv->phy_id & phydrv->phy_id_mask) == + (phydev->c45_ids.device_ids[i] & + phydrv->phy_id_mask)) + return 1; + } + return 0; + } else { + return (phydrv->phy_id & phydrv->phy_id_mask) == + (phydev->phy_id & phydrv->phy_id_mask); + } } #ifdef CONFIG_PM diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index b2197b506acb..1e1fbb049ec6 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -811,6 +811,7 @@ void phy_state_machine(struct work_struct *work) bool needs_aneg = false, do_suspend = false; enum phy_state old_state; int err = 0; + int old_link; mutex_lock(&phydev->lock); @@ -896,11 +897,18 @@ void phy_state_machine(struct work_struct *work) phydev->adjust_link(phydev->attached_dev); break; case PHY_RUNNING: - /* Only register a CHANGE if we are - * polling or ignoring interrupts + /* Only register a CHANGE if we are polling or ignoring + * interrupts and link changed since latest checking. */ - if (!phy_interrupt_is_valid(phydev)) - phydev->state = PHY_CHANGELINK; + if (!phy_interrupt_is_valid(phydev)) { + old_link = phydev->link; + err = phy_read_status(phydev); + if (err) + break; + + if (old_link != phydev->link) + phydev->state = PHY_CHANGELINK; + } break; case PHY_CHANGELINK: err = phy_read_status(phydev); diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c index c0f6479e19d4..70b08958763a 100644 --- a/drivers/net/phy/smsc.c +++ b/drivers/net/phy/smsc.c @@ -91,19 +91,18 @@ static int lan911x_config_init(struct phy_device *phydev) } /* - * The LAN8710/LAN8720 requires a minimum of 2 link pulses within 64ms of each - * other in order to set the ENERGYON bit and exit EDPD mode. If a link partner - * does send the pulses within this interval, the PHY will remained powered - * down. - * - * This workaround will manually toggle the PHY on/off upon calls to read_status - * in order to generate link test pulses if the link is down. If a link partner - * is present, it will respond to the pulses, which will cause the ENERGYON bit - * to be set and will cause the EDPD mode to be exited. + * The LAN87xx suffers from rare absence of the ENERGYON-bit when Ethernet cable + * plugs in while LAN87xx is in Energy Detect Power-Down mode. This leads to + * unstable detection of plugging in Ethernet cable. + * This workaround disables Energy Detect Power-Down mode and waiting for + * response on link pulses to detect presence of plugged Ethernet cable. + * The Energy Detect Power-Down mode is enabled again in the end of procedure to + * save approximately 220 mW of power if cable is unplugged. */ static int lan87xx_read_status(struct phy_device *phydev) { int err = genphy_read_status(phydev); + int i; if (!phydev->link) { /* Disable EDPD to wake up PHY */ @@ -116,8 +115,16 @@ static int lan87xx_read_status(struct phy_device *phydev) if (rc < 0) return rc; - /* Sleep 64 ms to allow ~5 link test pulses to be sent */ - msleep(64); + /* Wait max 640 ms to detect energy */ + for (i = 0; i < 64; i++) { + /* Sleep to allow link test pulses to be sent */ + msleep(10); + rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS); + if (rc < 0) + return rc; + if (rc & MII_LAN83C185_ENERGYON) + break; + } /* Re-enable EDPD */ rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS); @@ -191,7 +198,7 @@ static struct phy_driver smsc_phy_driver[] = { /* basic functions */ .config_aneg = genphy_config_aneg, - .read_status = genphy_read_status, + .read_status = lan87xx_read_status, .config_init = smsc_phy_config_init, .soft_reset = smsc_phy_reset, diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index 9d15566521a7..fa8f5046afe9 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -269,9 +269,9 @@ static void ppp_ccp_peek(struct ppp *ppp, struct sk_buff *skb, int inbound); static void ppp_ccp_closed(struct ppp *ppp); static struct compressor *find_compressor(int type); static void ppp_get_stats(struct ppp *ppp, struct ppp_stats *st); -static struct ppp *ppp_create_interface(struct net *net, int unit, int *retp); +static struct ppp *ppp_create_interface(struct net *net, int unit, + struct file *file, int *retp); static void init_ppp_file(struct ppp_file *pf, int kind); -static void ppp_shutdown_interface(struct ppp *ppp); static void ppp_destroy_interface(struct ppp *ppp); static struct ppp *ppp_find_unit(struct ppp_net *pn, int unit); static struct channel *ppp_find_channel(struct ppp_net *pn, int unit); @@ -392,8 +392,10 @@ static int ppp_release(struct inode *unused, struct file *file) file->private_data = NULL; if (pf->kind == INTERFACE) { ppp = PF_TO_PPP(pf); + rtnl_lock(); if (file == ppp->owner) - ppp_shutdown_interface(ppp); + unregister_netdevice(ppp->dev); + rtnl_unlock(); } if (atomic_dec_and_test(&pf->refcnt)) { switch (pf->kind) { @@ -593,8 +595,10 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) mutex_lock(&ppp_mutex); if (pf->kind == INTERFACE) { ppp = PF_TO_PPP(pf); + rtnl_lock(); if (file == ppp->owner) - ppp_shutdown_interface(ppp); + unregister_netdevice(ppp->dev); + rtnl_unlock(); } if (atomic_long_read(&file->f_count) < 2) { ppp_release(NULL, file); @@ -838,11 +842,10 @@ static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf, /* Create a new ppp unit */ if (get_user(unit, p)) break; - ppp = ppp_create_interface(net, unit, &err); + ppp = ppp_create_interface(net, unit, file, &err); if (!ppp) break; file->private_data = &ppp->file; - ppp->owner = file; err = -EFAULT; if (put_user(ppp->file.index, p)) break; @@ -916,6 +919,16 @@ static __net_init int ppp_init_net(struct net *net) static __net_exit void ppp_exit_net(struct net *net) { struct ppp_net *pn = net_generic(net, ppp_net_id); + struct ppp *ppp; + LIST_HEAD(list); + int id; + + rtnl_lock(); + idr_for_each_entry(&pn->units_idr, ppp, id) + unregister_netdevice_queue(ppp->dev, &list); + + unregister_netdevice_many(&list); + rtnl_unlock(); idr_destroy(&pn->units_idr); } @@ -1088,8 +1101,28 @@ static int ppp_dev_init(struct net_device *dev) return 0; } +static void ppp_dev_uninit(struct net_device *dev) +{ + struct ppp *ppp = netdev_priv(dev); + struct ppp_net *pn = ppp_pernet(ppp->ppp_net); + + ppp_lock(ppp); + ppp->closing = 1; + ppp_unlock(ppp); + + mutex_lock(&pn->all_ppp_mutex); + unit_put(&pn->units_idr, ppp->file.index); + mutex_unlock(&pn->all_ppp_mutex); + + ppp->owner = NULL; + + ppp->file.dead = 1; + wake_up_interruptible(&ppp->file.rwait); +} + static const struct net_device_ops ppp_netdev_ops = { .ndo_init = ppp_dev_init, + .ndo_uninit = ppp_dev_uninit, .ndo_start_xmit = ppp_start_xmit, .ndo_do_ioctl = ppp_net_ioctl, .ndo_get_stats64 = ppp_get_stats64, @@ -2667,8 +2700,8 @@ ppp_get_stats(struct ppp *ppp, struct ppp_stats *st) * or if there is already a unit with the requested number. * unit == -1 means allocate a new number. */ -static struct ppp * -ppp_create_interface(struct net *net, int unit, int *retp) +static struct ppp *ppp_create_interface(struct net *net, int unit, + struct file *file, int *retp) { struct ppp *ppp; struct ppp_net *pn; @@ -2688,6 +2721,7 @@ ppp_create_interface(struct net *net, int unit, int *retp) ppp->mru = PPP_MRU; init_ppp_file(&ppp->file, INTERFACE); ppp->file.hdrlen = PPP_HDRLEN - 2; /* don't count proto bytes */ + ppp->owner = file; for (i = 0; i < NUM_NP; ++i) ppp->npmode[i] = NPMODE_PASS; INIT_LIST_HEAD(&ppp->channels); @@ -2776,34 +2810,6 @@ init_ppp_file(struct ppp_file *pf, int kind) } /* - * Take down a ppp interface unit - called when the owning file - * (the one that created the unit) is closed or detached. - */ -static void ppp_shutdown_interface(struct ppp *ppp) -{ - struct ppp_net *pn; - - pn = ppp_pernet(ppp->ppp_net); - mutex_lock(&pn->all_ppp_mutex); - - /* This will call dev_close() for us. */ - ppp_lock(ppp); - if (!ppp->closing) { - ppp->closing = 1; - ppp_unlock(ppp); - unregister_netdev(ppp->dev); - unit_put(&pn->units_idr, ppp->file.index); - } else - ppp_unlock(ppp); - - ppp->file.dead = 1; - ppp->owner = NULL; - wake_up_interruptible(&ppp->file.rwait); - - mutex_unlock(&pn->all_ppp_mutex); -} - -/* * Free the memory used by a ppp unit. This is only called once * there are no channels connected to the unit and no file structs * that reference the unit. diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 4545e78840b0..35a2bffe848a 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -523,6 +523,7 @@ static const struct driver_info wwan_info = { #define REALTEK_VENDOR_ID 0x0bda #define SAMSUNG_VENDOR_ID 0x04e8 #define LENOVO_VENDOR_ID 0x17ef +#define NVIDIA_VENDOR_ID 0x0955 static const struct usb_device_id products[] = { /* BLACKLIST !! @@ -710,6 +711,13 @@ static const struct usb_device_id products[] = { .driver_info = 0, }, +/* NVIDIA Tegra USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */ +{ + USB_DEVICE_AND_INTERFACE_INFO(NVIDIA_VENDOR_ID, 0x09ff, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + /* WHITELIST!!! * * CDC Ether uses two interfaces, not necessarily consecutive. diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index e4b7a47a825c..efc18e05af0a 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -158,7 +158,7 @@ static int cdc_mbim_bind(struct usbnet *dev, struct usb_interface *intf) if (!cdc_ncm_comm_intf_is_mbim(intf->cur_altsetting)) goto err; - ret = cdc_ncm_bind_common(dev, intf, data_altsetting); + ret = cdc_ncm_bind_common(dev, intf, data_altsetting, 0); if (ret) goto err; diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 8067b8fbb0ee..db40175b1a0b 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -6,7 +6,7 @@ * Original author: Hans Petter Selasky <hans.petter.selasky@stericsson.com> * * USB Host Driver for Network Control Model (NCM) - * http://www.usb.org/developers/devclass_docs/NCM10.zip + * http://www.usb.org/developers/docs/devclass_docs/NCM10_012011.zip * * The NCM encoding, decoding and initialization logic * derives from FreeBSD 8.x. if_cdce.c and if_cdcereg.h @@ -684,10 +684,12 @@ static void cdc_ncm_free(struct cdc_ncm_ctx *ctx) ctx->tx_curr_skb = NULL; } + kfree(ctx->delayed_ndp16); + kfree(ctx); } -int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting) +int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags) { const struct usb_cdc_union_desc *union_desc = NULL; struct cdc_ncm_ctx *ctx; @@ -855,6 +857,17 @@ advance: /* finish setting up the device specific data */ cdc_ncm_setup(dev); + /* Device-specific flags */ + ctx->drvflags = drvflags; + + /* Allocate the delayed NDP if needed. */ + if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) { + ctx->delayed_ndp16 = kzalloc(ctx->max_ndp_size, GFP_KERNEL); + if (!ctx->delayed_ndp16) + goto error2; + dev_info(&intf->dev, "NDP will be placed at end of frame for this device."); + } + /* override ethtool_ops */ dev->net->ethtool_ops = &cdc_ncm_ethtool_ops; @@ -954,8 +967,11 @@ static int cdc_ncm_bind(struct usbnet *dev, struct usb_interface *intf) if (cdc_ncm_select_altsetting(intf) != CDC_NCM_COMM_ALTSETTING_NCM) return -ENODEV; - /* The NCM data altsetting is fixed */ - ret = cdc_ncm_bind_common(dev, intf, CDC_NCM_DATA_ALTSETTING_NCM); + /* The NCM data altsetting is fixed, so we hard-coded it. + * Additionally, generic NCM devices are assumed to accept arbitrarily + * placed NDP. + */ + ret = cdc_ncm_bind_common(dev, intf, CDC_NCM_DATA_ALTSETTING_NCM, 0); /* * We should get an event when network connection is "connected" or @@ -986,6 +1002,14 @@ static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_ struct usb_cdc_ncm_nth16 *nth16 = (void *)skb->data; size_t ndpoffset = le16_to_cpu(nth16->wNdpIndex); + /* If NDP should be moved to the end of the NCM package, we can't follow the + * NTH16 header as we would normally do. NDP isn't written to the SKB yet, and + * the wNdpIndex field in the header is actually not consistent with reality. It will be later. + */ + if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) + if (ctx->delayed_ndp16->dwSignature == sign) + return ctx->delayed_ndp16; + /* follow the chain of NDPs, looking for a match */ while (ndpoffset) { ndp16 = (struct usb_cdc_ncm_ndp16 *)(skb->data + ndpoffset); @@ -995,7 +1019,8 @@ static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_ } /* align new NDP */ - cdc_ncm_align_tail(skb, ctx->tx_ndp_modulus, 0, ctx->tx_max); + if (!(ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END)) + cdc_ncm_align_tail(skb, ctx->tx_ndp_modulus, 0, ctx->tx_max); /* verify that there is room for the NDP and the datagram (reserve) */ if ((ctx->tx_max - skb->len - reserve) < ctx->max_ndp_size) @@ -1008,7 +1033,11 @@ static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_ nth16->wNdpIndex = cpu_to_le16(skb->len); /* push a new empty NDP */ - ndp16 = (struct usb_cdc_ncm_ndp16 *)memset(skb_put(skb, ctx->max_ndp_size), 0, ctx->max_ndp_size); + if (!(ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END)) + ndp16 = (struct usb_cdc_ncm_ndp16 *)memset(skb_put(skb, ctx->max_ndp_size), 0, ctx->max_ndp_size); + else + ndp16 = ctx->delayed_ndp16; + ndp16->dwSignature = sign; ndp16->wLength = cpu_to_le16(sizeof(struct usb_cdc_ncm_ndp16) + sizeof(struct usb_cdc_ncm_dpe16)); return ndp16; @@ -1023,6 +1052,15 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) struct sk_buff *skb_out; u16 n = 0, index, ndplen; u8 ready2send = 0; + u32 delayed_ndp_size; + + /* When our NDP gets written in cdc_ncm_ndp(), then skb_out->len gets updated + * accordingly. Otherwise, we should check here. + */ + if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) + delayed_ndp_size = ctx->max_ndp_size; + else + delayed_ndp_size = 0; /* if there is a remaining skb, it gets priority */ if (skb != NULL) { @@ -1077,7 +1115,7 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) cdc_ncm_align_tail(skb_out, ctx->tx_modulus, ctx->tx_remainder, ctx->tx_max); /* check if we had enough room left for both NDP and frame */ - if (!ndp16 || skb_out->len + skb->len > ctx->tx_max) { + if (!ndp16 || skb_out->len + skb->len + delayed_ndp_size > ctx->tx_max) { if (n == 0) { /* won't fit, MTU problem? */ dev_kfree_skb_any(skb); @@ -1150,6 +1188,17 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) /* variables will be reset at next call */ } + /* If requested, put NDP at end of frame. */ + if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) { + nth16 = (struct usb_cdc_ncm_nth16 *)skb_out->data; + cdc_ncm_align_tail(skb_out, ctx->tx_ndp_modulus, 0, ctx->tx_max); + nth16->wNdpIndex = cpu_to_le16(skb_out->len); + memcpy(skb_put(skb_out, ctx->max_ndp_size), ctx->delayed_ndp16, ctx->max_ndp_size); + + /* Zero out delayed NDP - signature checking will naturally fail. */ + ndp16 = memset(ctx->delayed_ndp16, 0, ctx->max_ndp_size); + } + /* If collected data size is less or equal ctx->min_tx_pkt * bytes, we send buffers as it is. If we get more data, it * would be more efficient for USB HS mobile device with DMA diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c index 735f7dadb9a0..2680a65cd5e4 100644 --- a/drivers/net/usb/huawei_cdc_ncm.c +++ b/drivers/net/usb/huawei_cdc_ncm.c @@ -73,11 +73,14 @@ static int huawei_cdc_ncm_bind(struct usbnet *usbnet_dev, struct usb_driver *subdriver = ERR_PTR(-ENODEV); int ret = -ENODEV; struct huawei_cdc_ncm_state *drvstate = (void *)&usbnet_dev->data; + int drvflags = 0; /* altsetting should always be 1 for NCM devices - so we hard-coded - * it here + * it here. Some huawei devices will need the NDP part of the NCM package to + * be at the end of the frame. */ - ret = cdc_ncm_bind_common(usbnet_dev, intf, 1); + drvflags |= CDC_NCM_FLAG_NDP_TO_END; + ret = cdc_ncm_bind_common(usbnet_dev, intf, 1, drvflags); if (ret) goto err; diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index f603f362504b..64a60afbe50c 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -757,6 +757,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ + {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */ {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */ {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */ @@ -784,6 +785,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ + {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ {QMI_FIXED_INTF(0x03f0, 0x581d, 4)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */ /* 4. Gobi 1000 devices */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index aafa1a1898e4..ad8cbc6c9ee7 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -27,7 +27,7 @@ #include <linux/usb/cdc.h> /* Version Information */ -#define DRIVER_VERSION "v1.08.0 (2015/01/13)" +#define DRIVER_VERSION "v1.08.1 (2015/07/28)" #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>" #define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters" #define MODULENAME "r8152" @@ -494,6 +494,7 @@ enum rtl8152_flags { #define VENDOR_ID_REALTEK 0x0bda #define VENDOR_ID_SAMSUNG 0x04e8 #define VENDOR_ID_LENOVO 0x17ef +#define VENDOR_ID_NVIDIA 0x0955 #define MCU_TYPE_PLA 0x0100 #define MCU_TYPE_USB 0x0000 @@ -1901,11 +1902,10 @@ static void rtl_drop_queued_tx(struct r8152 *tp) static void rtl8152_tx_timeout(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); - int i; netif_warn(tp, tx_err, netdev, "Tx timeout\n"); - for (i = 0; i < RTL8152_MAX_TX; i++) - usb_unlink_urb(tp->tx_info[i].urb); + + usb_queue_reset_device(tp->intf); } static void rtl8152_set_rx_mode(struct net_device *netdev) @@ -2074,7 +2074,6 @@ static int rtl_start_rx(struct r8152 *tp) { int i, ret = 0; - napi_disable(&tp->napi); INIT_LIST_HEAD(&tp->rx_done); for (i = 0; i < RTL8152_MAX_RX; i++) { INIT_LIST_HEAD(&tp->rx_info[i].list); @@ -2082,7 +2081,6 @@ static int rtl_start_rx(struct r8152 *tp) if (ret) break; } - napi_enable(&tp->napi); if (ret && ++i < RTL8152_MAX_RX) { struct list_head rx_queue; @@ -2165,6 +2163,7 @@ static int rtl8153_enable(struct r8152 *tp) if (test_bit(RTL8152_UNPLUG, &tp->flags)) return -ENODEV; + usb_disable_lpm(tp->udev); set_tx_qlen(tp); rtl_set_eee_plus(tp); r8153_set_rx_early_timeout(tp); @@ -2336,11 +2335,61 @@ static void __rtl_set_wol(struct r8152 *tp, u32 wolopts) device_set_wakeup_enable(&tp->udev->dev, false); } +static void r8153_u1u2en(struct r8152 *tp, bool enable) +{ + u8 u1u2[8]; + + if (enable) + memset(u1u2, 0xff, sizeof(u1u2)); + else + memset(u1u2, 0x00, sizeof(u1u2)); + + usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2); +} + +static void r8153_u2p3en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL); + if (enable && tp->version != RTL_VER_03 && tp->version != RTL_VER_04) + ocp_data |= U2P3_ENABLE; + else + ocp_data &= ~U2P3_ENABLE; + ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data); +} + +static void r8153_power_cut_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT); + if (enable) + ocp_data |= PWR_EN | PHASE2_EN; + else + ocp_data &= ~(PWR_EN | PHASE2_EN); + ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0); + ocp_data &= ~PCUT_STATUS; + ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data); +} + +static bool rtl_can_wakeup(struct r8152 *tp) +{ + struct usb_device *udev = tp->udev; + + return (udev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_WAKEUP); +} + static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable) { if (enable) { u32 ocp_data; + r8153_u1u2en(tp, false); + r8153_u2p3en(tp, false); + __rtl_set_wol(tp, WAKE_ANY); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); @@ -2352,6 +2401,8 @@ static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable) ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); } else { __rtl_set_wol(tp, tp->saved_wolopts); + r8153_u2p3en(tp, true); + r8153_u1u2en(tp, true); } } @@ -2598,46 +2649,6 @@ static void r8153_hw_phy_cfg(struct r8152 *tp) set_bit(PHY_RESET, &tp->flags); } -static void r8153_u1u2en(struct r8152 *tp, bool enable) -{ - u8 u1u2[8]; - - if (enable) - memset(u1u2, 0xff, sizeof(u1u2)); - else - memset(u1u2, 0x00, sizeof(u1u2)); - - usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2); -} - -static void r8153_u2p3en(struct r8152 *tp, bool enable) -{ - u32 ocp_data; - - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL); - if (enable) - ocp_data |= U2P3_ENABLE; - else - ocp_data &= ~U2P3_ENABLE; - ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data); -} - -static void r8153_power_cut_en(struct r8152 *tp, bool enable) -{ - u32 ocp_data; - - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT); - if (enable) - ocp_data |= PWR_EN | PHASE2_EN; - else - ocp_data &= ~(PWR_EN | PHASE2_EN); - ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data); - - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0); - ocp_data &= ~PCUT_STATUS; - ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data); -} - static void r8153_first_init(struct r8152 *tp) { u32 ocp_data; @@ -2780,6 +2791,7 @@ static void rtl8153_disable(struct r8152 *tp) r8153_disable_aldps(tp); rtl_disable(tp); r8153_enable_aldps(tp); + usb_enable_lpm(tp->udev); } static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) @@ -2900,9 +2912,13 @@ static void rtl8153_up(struct r8152 *tp) if (test_bit(RTL8152_UNPLUG, &tp->flags)) return; + r8153_u1u2en(tp, false); r8153_disable_aldps(tp); r8153_first_init(tp); r8153_enable_aldps(tp); + r8153_u2p3en(tp, true); + r8153_u1u2en(tp, true); + usb_enable_lpm(tp->udev); } static void rtl8153_down(struct r8152 *tp) @@ -2913,6 +2929,7 @@ static void rtl8153_down(struct r8152 *tp) } r8153_u1u2en(tp, false); + r8153_u2p3en(tp, false); r8153_power_cut_en(tp, false); r8153_disable_aldps(tp); r8153_enter_oob(tp); @@ -2931,8 +2948,10 @@ static void set_carrier(struct r8152 *tp) if (!netif_carrier_ok(netdev)) { tp->rtl_ops.enable(tp); set_bit(RTL8152_SET_RX_MODE, &tp->flags); + napi_disable(&tp->napi); netif_carrier_on(netdev); rtl_start_rx(tp); + napi_enable(&tp->napi); } } else { if (netif_carrier_ok(netdev)) { @@ -3251,6 +3270,7 @@ static void r8153_init(struct r8152 *tp) msleep(20); } + usb_disable_lpm(tp->udev); r8153_u2p3en(tp, false); if (tp->version == RTL_VER_04) { @@ -3318,6 +3338,59 @@ static void r8153_init(struct r8152 *tp) r8153_enable_aldps(tp); r8152b_enable_fc(tp); rtl_tally_reset(tp); + r8153_u2p3en(tp, true); +} + +static int rtl8152_pre_reset(struct usb_interface *intf) +{ + struct r8152 *tp = usb_get_intfdata(intf); + struct net_device *netdev; + + if (!tp) + return 0; + + netdev = tp->netdev; + if (!netif_running(netdev)) + return 0; + + napi_disable(&tp->napi); + clear_bit(WORK_ENABLE, &tp->flags); + usb_kill_urb(tp->intr_urb); + cancel_delayed_work_sync(&tp->schedule); + if (netif_carrier_ok(netdev)) { + netif_stop_queue(netdev); + mutex_lock(&tp->control); + tp->rtl_ops.disable(tp); + mutex_unlock(&tp->control); + } + + return 0; +} + +static int rtl8152_post_reset(struct usb_interface *intf) +{ + struct r8152 *tp = usb_get_intfdata(intf); + struct net_device *netdev; + + if (!tp) + return 0; + + netdev = tp->netdev; + if (!netif_running(netdev)) + return 0; + + set_bit(WORK_ENABLE, &tp->flags); + if (netif_carrier_ok(netdev)) { + mutex_lock(&tp->control); + tp->rtl_ops.enable(tp); + rtl8152_set_rx_mode(netdev); + mutex_unlock(&tp->control); + netif_wake_queue(netdev); + } + + napi_enable(&tp->napi); + + return 0; } static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) @@ -3373,9 +3446,11 @@ static int rtl8152_resume(struct usb_interface *intf) if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { rtl_runtime_suspend_enable(tp, false); clear_bit(SELECTIVE_SUSPEND, &tp->flags); + napi_disable(&tp->napi); set_bit(WORK_ENABLE, &tp->flags); if (netif_carrier_ok(tp->netdev)) rtl_start_rx(tp); + napi_enable(&tp->napi); } else { tp->rtl_ops.up(tp); rtl8152_set_speed(tp, AUTONEG_ENABLE, @@ -3402,12 +3477,15 @@ static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) if (usb_autopm_get_interface(tp->intf) < 0) return; - mutex_lock(&tp->control); - - wol->supported = WAKE_ANY; - wol->wolopts = __rtl_get_wol(tp); - - mutex_unlock(&tp->control); + if (!rtl_can_wakeup(tp)) { + wol->supported = 0; + wol->wolopts = 0; + } else { + mutex_lock(&tp->control); + wol->supported = WAKE_ANY; + wol->wolopts = __rtl_get_wol(tp); + mutex_unlock(&tp->control); + } usb_autopm_put_interface(tp->intf); } @@ -3417,6 +3495,9 @@ static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) struct r8152 *tp = netdev_priv(dev); int ret; + if (!rtl_can_wakeup(tp)) + return -EOPNOTSUPP; + ret = usb_autopm_get_interface(tp->intf); if (ret < 0) goto out_set_wol; @@ -4058,6 +4139,9 @@ static int rtl8152_probe(struct usb_interface *intf, goto out1; } + if (!rtl_can_wakeup(tp)) + __rtl_set_wol(tp, 0); + tp->saved_wolopts = __rtl_get_wol(tp); if (tp->saved_wolopts) device_set_wakeup_enable(&udev->dev, true); @@ -4117,6 +4201,7 @@ static struct usb_device_id rtl8152_table[] = { {REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)}, {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7205)}, {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x304f)}, + {REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA, 0x09ff)}, {} }; @@ -4130,6 +4215,8 @@ static struct usb_driver rtl8152_driver = { .suspend = rtl8152_suspend, .resume = rtl8152_resume, .reset_resume = rtl8152_resume, + .pre_reset = rtl8152_pre_reset, + .post_reset = rtl8152_post_reset, .supports_autosuspend = 1, .disable_hub_initiated_lpm = 1, }; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 63c7810e1545..237f8e5e493d 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1756,9 +1756,9 @@ static int virtnet_probe(struct virtio_device *vdev) /* Do we support "hardware" checksums? */ if (virtio_has_feature(vdev, VIRTIO_NET_F_CSUM)) { /* This opens up the world of extra features. */ - dev->hw_features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST; + dev->hw_features |= NETIF_F_HW_CSUM | NETIF_F_SG; if (csum) - dev->features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST; + dev->features |= NETIF_F_HW_CSUM | NETIF_F_SG; if (virtio_has_feature(vdev, VIRTIO_NET_F_GSO)) { dev->hw_features |= NETIF_F_TSO | NETIF_F_UFO @@ -1828,7 +1828,8 @@ static int virtnet_probe(struct virtio_device *vdev) else vi->hdr_len = sizeof(struct virtio_net_hdr); - if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT) || + virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index da11bb5e9c7f..46f4caddccbe 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -1216,7 +1216,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, static const u32 rxprod_reg[2] = { VMXNET3_REG_RXPROD, VMXNET3_REG_RXPROD2 }; - u32 num_rxd = 0; + u32 num_pkts = 0; bool skip_page_frags = false; struct Vmxnet3_RxCompDesc *rcd; struct vmxnet3_rx_ctx *ctx = &rq->rx_ctx; @@ -1235,13 +1235,12 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, struct Vmxnet3_RxDesc *rxd; u32 idx, ring_idx; struct vmxnet3_cmd_ring *ring = NULL; - if (num_rxd >= quota) { + if (num_pkts >= quota) { /* we may stop even before we see the EOP desc of * the current pkt */ break; } - num_rxd++; BUG_ON(rcd->rqID != rq->qid && rcd->rqID != rq->qid2); idx = rcd->rxdIdx; ring_idx = rcd->rqID < adapter->num_rx_queues ? 0 : 1; @@ -1413,6 +1412,7 @@ not_lro: napi_gro_receive(&rq->napi, skb); ctx->skb = NULL; + num_pkts++; } rcd_done: @@ -1443,7 +1443,7 @@ rcd_done: &rq->comp_ring.base[rq->comp_ring.next2proc].rcd, &rxComp); } - return num_rxd; + return num_pkts; } diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c index 7193b7304fdd..848ea6a399f2 100644 --- a/drivers/net/wan/cosa.c +++ b/drivers/net/wan/cosa.c @@ -589,7 +589,8 @@ static int cosa_probe(int base, int irq, int dma) chan->netdev->base_addr = chan->cosa->datareg; chan->netdev->irq = chan->cosa->irq; chan->netdev->dma = chan->cosa->dma; - if (register_hdlc_device(chan->netdev)) { + err = register_hdlc_device(chan->netdev); + if (err) { netdev_warn(chan->netdev, "register_hdlc_device() failed\n"); free_netdev(chan->netdev); diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c index feacc3b994b7..2f0bd6955f33 100644 --- a/drivers/net/wan/z85230.c +++ b/drivers/net/wan/z85230.c @@ -1044,7 +1044,7 @@ EXPORT_SYMBOL(z8530_sync_dma_close); * @dev: The network device to attach * @c: The Z8530 channel to configure in sync DMA mode. * - * Set up a Z85x30 device for synchronous DMA tranmission. One + * Set up a Z85x30 device for synchronous DMA transmission. One * ISA DMA channel must be available for this to work. The receive * side is run in PIO mode, but then it has the bigger FIFO. */ diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 5e15e8e10ed3..a31a6804dc34 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -279,6 +279,7 @@ static void ath9k_hw_read_revisions(struct ath_hw *ah) return; case AR9300_DEVID_QCA956X: ah->hw_version.macVersion = AR_SREV_VERSION_9561; + return; } val = REG_READ(ah, AR_SREV) & AR_SREV_ID; diff --git a/drivers/net/wireless/b43/tables_nphy.c b/drivers/net/wireless/b43/tables_nphy.c index 25d1cbd34306..b2f0d245bcf3 100644 --- a/drivers/net/wireless/b43/tables_nphy.c +++ b/drivers/net/wireless/b43/tables_nphy.c @@ -3728,7 +3728,7 @@ const u32 *b43_nphy_get_tx_gain_table(struct b43_wldev *dev) switch (phy->rev) { case 6: case 5: - if (sprom->fem.ghz5.extpa_gain == 3) + if (sprom->fem.ghz2.extpa_gain == 3) return b43_ntab_tx_gain_epa_rev3_hi_pwr_2g; /* fall through */ case 4: diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h index d56064861a9c..d45dc021cda2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fh.h +++ b/drivers/net/wireless/iwlwifi/iwl-fh.h @@ -438,6 +438,12 @@ static inline unsigned int FH_MEM_CBBC_QUEUE(unsigned int chnl) #define RX_QUEUE_MASK 255 #define RX_QUEUE_SIZE_LOG 8 +/* + * RX related structures and functions + */ +#define RX_FREE_BUFFERS 64 +#define RX_LOW_WATERMARK 8 + /** * struct iwl_rb_status - reserve buffer status * host memory mapped FH registers diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c index 80fefe7d7b8c..3b8e85e51002 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c @@ -540,13 +540,11 @@ static void iwl_set_hw_address_family_8000(struct device *dev, hw_addr = (const u8 *)(mac_override + MAC_ADDRESS_OVERRIDE_FAMILY_8000); - /* The byte order is little endian 16 bit, meaning 214365 */ - data->hw_addr[0] = hw_addr[1]; - data->hw_addr[1] = hw_addr[0]; - data->hw_addr[2] = hw_addr[3]; - data->hw_addr[3] = hw_addr[2]; - data->hw_addr[4] = hw_addr[5]; - data->hw_addr[5] = hw_addr[4]; + /* + * Store the MAC address from MAO section. + * No byte swapping is required in MAO section + */ + memcpy(data->hw_addr, hw_addr, ETH_ALEN); /* * Force the use of the OTP MAC address in case of reserved MAC diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h index 5e4cbdb44c60..737774a01c74 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h @@ -660,7 +660,8 @@ struct iwl_scan_config { * iwl_umac_scan_flags *@IWL_UMAC_SCAN_FLAG_PREEMPTIVE: scan process triggered by this scan request * can be preempted by other scan requests with higher priority. - * The low priority scan is aborted. + * The low priority scan will be resumed when the higher proirity scan is + * completed. *@IWL_UMAC_SCAN_FLAG_START_NOTIF: notification will be sent to the driver * when scan starts. */ diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 5de144968723..5514ad6d4e54 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -1023,7 +1023,7 @@ static void iwl_mvm_scan_umac_dwell(struct iwl_mvm *mvm, cmd->scan_priority = iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6); - if (iwl_mvm_scan_total_iterations(params) == 0) + if (iwl_mvm_scan_total_iterations(params) == 1) cmd->ooc_priority = iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6); else @@ -1109,6 +1109,9 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, cmd->uid = cpu_to_le32(uid); cmd->general_flags = cpu_to_le32(iwl_mvm_scan_umac_flags(mvm, params)); + if (type == IWL_MVM_SCAN_SCHED) + cmd->flags = cpu_to_le32(IWL_UMAC_SCAN_FLAG_PREEMPTIVE); + if (iwl_mvm_scan_use_ebs(mvm, vif, n_iterations)) cmd->channel_flags = IWL_SCAN_CHANNEL_FLAG_EBS | IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index d68dc697a4a0..26f076e82149 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -1401,6 +1401,7 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE); u8 sta_id; int ret; + static const u8 __maybe_unused zero_addr[ETH_ALEN] = {0}; lockdep_assert_held(&mvm->mutex); @@ -1467,7 +1468,7 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, end: IWL_DEBUG_WEP(mvm, "key: cipher=%x len=%d idx=%d sta=%pM ret=%d\n", keyconf->cipher, keyconf->keylen, keyconf->keyidx, - sta->addr, ret); + sta ? sta->addr : zero_addr, ret); return ret; } diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c index d24b6a83e68c..e472729e5f14 100644 --- a/drivers/net/wireless/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c @@ -86,7 +86,7 @@ void iwl_mvm_te_clear_data(struct iwl_mvm *mvm, { lockdep_assert_held(&mvm->time_event_lock); - if (te_data->id == TE_MAX) + if (!te_data->vif) return; list_del(&te_data->list); diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 7ba7a118ff5c..89116864d2a0 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -252,7 +252,7 @@ void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, if (info->band == IEEE80211_BAND_2GHZ && !iwl_mvm_bt_coex_is_shared_ant_avail(mvm)) - rate_flags = BIT(mvm->cfg->non_shared_ant) << RATE_MCS_ANT_POS; + rate_flags = mvm->cfg->non_shared_ant << RATE_MCS_ANT_POS; else rate_flags = BIT(mvm->mgmt_last_antenna_idx) << RATE_MCS_ANT_POS; diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 2ed1e4d2774d..9f65c1cff1b1 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -368,12 +368,14 @@ static const struct pci_device_id iwl_hw_card_ids[] = { /* 3165 Series */ {IWL_PCI_DEVICE(0x3165, 0x4010, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x4012, iwl3165_2ac_cfg)}, + {IWL_PCI_DEVICE(0x3166, 0x4212, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x4410, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x4510, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x4110, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3166, 0x4310, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3166, 0x4210, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x8010, iwl3165_2ac_cfg)}, + {IWL_PCI_DEVICE(0x3165, 0x8110, iwl3165_2ac_cfg)}, /* 7265 Series */ {IWL_PCI_DEVICE(0x095A, 0x5010, iwl7265_2ac_cfg)}, @@ -426,9 +428,8 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x24F4, 0x1130, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F4, 0x1030, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xC010, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0xC110, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xD010, iwl8260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x24F4, 0xC030, iwl8260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x24F4, 0xD030, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xC050, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xD050, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x8010, iwl8260_2ac_cfg)}, diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h index 31f72a61cc3f..376b84e54ad7 100644 --- a/drivers/net/wireless/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/iwlwifi/pcie/internal.h @@ -44,15 +44,6 @@ #include "iwl-io.h" #include "iwl-op-mode.h" -/* - * RX related structures and functions - */ -#define RX_NUM_QUEUES 1 -#define RX_POST_REQ_ALLOC 2 -#define RX_CLAIM_REQ_ALLOC 8 -#define RX_POOL_SIZE ((RX_CLAIM_REQ_ALLOC - RX_POST_REQ_ALLOC) * RX_NUM_QUEUES) -#define RX_LOW_WATERMARK 8 - struct iwl_host_cmd; /*This file includes the declaration that are internal to the @@ -86,29 +77,29 @@ struct isr_statistics { * struct iwl_rxq - Rx queue * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) + * @pool: + * @queue: * @read: Shared index to newest available Rx buffer * @write: Shared index to oldest written Rx packet * @free_count: Number of pre-allocated buffers in rx_free - * @used_count: Number of RBDs handled to allocator to use for allocation * @write_actual: - * @rx_free: list of RBDs with allocated RB ready for use - * @rx_used: list of RBDs with no RB attached + * @rx_free: list of free SKBs for use + * @rx_used: List of Rx buffers with no SKB * @need_update: flag to indicate we need to update read/write index * @rb_stts: driver's pointer to receive buffer status * @rb_stts_dma: bus address of receive buffer status * @lock: - * @pool: initial pool of iwl_rx_mem_buffer for the queue - * @queue: actual rx queue * * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers */ struct iwl_rxq { __le32 *bd; dma_addr_t bd_dma; + struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; + struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; u32 read; u32 write; u32 free_count; - u32 used_count; u32 write_actual; struct list_head rx_free; struct list_head rx_used; @@ -116,32 +107,6 @@ struct iwl_rxq { struct iwl_rb_status *rb_stts; dma_addr_t rb_stts_dma; spinlock_t lock; - struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE]; - struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; -}; - -/** - * struct iwl_rb_allocator - Rx allocator - * @pool: initial pool of allocator - * @req_pending: number of requests the allcator had not processed yet - * @req_ready: number of requests honored and ready for claiming - * @rbd_allocated: RBDs with pages allocated and ready to be handled to - * the queue. This is a list of &struct iwl_rx_mem_buffer - * @rbd_empty: RBDs with no page attached for allocator use. This is a list - * of &struct iwl_rx_mem_buffer - * @lock: protects the rbd_allocated and rbd_empty lists - * @alloc_wq: work queue for background calls - * @rx_alloc: work struct for background calls - */ -struct iwl_rb_allocator { - struct iwl_rx_mem_buffer pool[RX_POOL_SIZE]; - atomic_t req_pending; - atomic_t req_ready; - struct list_head rbd_allocated; - struct list_head rbd_empty; - spinlock_t lock; - struct workqueue_struct *alloc_wq; - struct work_struct rx_alloc; }; struct iwl_dma_ptr { @@ -285,7 +250,7 @@ iwl_pcie_get_scratchbuf_dma(struct iwl_txq *txq, int idx) /** * struct iwl_trans_pcie - PCIe transport specific data * @rxq: all the RX queue data - * @rba: allocator for RX replenishing + * @rx_replenish: work that will be called when buffers need to be allocated * @drv - pointer to iwl_drv * @trans: pointer to the generic transport area * @scd_base_addr: scheduler sram base address in SRAM @@ -308,7 +273,7 @@ iwl_pcie_get_scratchbuf_dma(struct iwl_txq *txq, int idx) */ struct iwl_trans_pcie { struct iwl_rxq rxq; - struct iwl_rb_allocator rba; + struct work_struct rx_replenish; struct iwl_trans *trans; struct iwl_drv *drv; diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index a3fbaa0ef5e0..adad8d0fae7f 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -1,7 +1,7 @@ /****************************************************************************** * * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -74,29 +74,16 @@ * resets the Rx queue buffers with new memory. * * The management in the driver is as follows: - * + A list of pre-allocated RBDs is stored in iwl->rxq->rx_free. - * When the interrupt handler is called, the request is processed. - * The page is either stolen - transferred to the upper layer - * or reused - added immediately to the iwl->rxq->rx_free list. - * + When the page is stolen - the driver updates the matching queue's used - * count, detaches the RBD and transfers it to the queue used list. - * When there are two used RBDs - they are transferred to the allocator empty - * list. Work is then scheduled for the allocator to start allocating - * eight buffers. - * When there are another 6 used RBDs - they are transferred to the allocator - * empty list and the driver tries to claim the pre-allocated buffers and - * add them to iwl->rxq->rx_free. If it fails - it continues to claim them - * until ready. - * When there are 8+ buffers in the free list - either from allocation or from - * 8 reused unstolen pages - restock is called to update the FW and indexes. - * + In order to make sure the allocator always has RBDs to use for allocation - * the allocator has initial pool in the size of num_queues*(8-2) - the - * maximum missing RBDs per allocation request (request posted with 2 - * empty RBDs, there is no guarantee when the other 6 RBDs are supplied). - * The queues supplies the recycle of the rest of the RBDs. + * + A list of pre-allocated SKBs is stored in iwl->rxq->rx_free. When + * iwl->rxq->free_count drops to or below RX_LOW_WATERMARK, work is scheduled + * to replenish the iwl->rxq->rx_free. + * + In iwl_pcie_rx_replenish (scheduled) if 'processed' != 'read' then the + * iwl->rxq is replenished and the READ INDEX is updated (updating the + * 'processed' and 'read' driver indexes as well) * + A received packet is processed and handed to the kernel network stack, * detached from the iwl->rxq. The driver 'processed' index is updated. - * + If there are no allocated buffers in iwl->rxq->rx_free, + * + The Host/Firmware iwl->rxq is replenished at irq thread time from the + * rx_free list. If there are no allocated buffers in iwl->rxq->rx_free, * the READ INDEX is not incremented and iwl->status(RX_STALLED) is set. * If there were enough free buffers and RX_STALLED is set it is cleared. * @@ -105,32 +92,18 @@ * * iwl_rxq_alloc() Allocates rx_free * iwl_pcie_rx_replenish() Replenishes rx_free list from rx_used, and calls - * iwl_pcie_rxq_restock. - * Used only during initialization. + * iwl_pcie_rxq_restock * iwl_pcie_rxq_restock() Moves available buffers from rx_free into Rx * queue, updates firmware pointers, and updates - * the WRITE index. - * iwl_pcie_rx_allocator() Background work for allocating pages. + * the WRITE index. If insufficient rx_free buffers + * are available, schedules iwl_pcie_rx_replenish * * -- enable interrupts -- * ISR - iwl_rx() Detach iwl_rx_mem_buffers from pool up to the * READ INDEX, detaching the SKB from the pool. * Moves the packet buffer from queue to rx_used. - * Posts and claims requests to the allocator. * Calls iwl_pcie_rxq_restock to refill any empty * slots. - * - * RBD life-cycle: - * - * Init: - * rxq.pool -> rxq.rx_used -> rxq.rx_free -> rxq.queue - * - * Regular Receive interrupt: - * Page Stolen: - * rxq.queue -> rxq.rx_used -> allocator.rbd_empty -> - * allocator.rbd_allocated -> rxq.rx_free -> rxq.queue - * Page not Stolen: - * rxq.queue -> rxq.rx_free -> rxq.queue * ... * */ @@ -267,6 +240,10 @@ static void iwl_pcie_rxq_restock(struct iwl_trans *trans) rxq->free_count--; } spin_unlock(&rxq->lock); + /* If the pre-allocated buffer pool is dropping low, schedule to + * refill it */ + if (rxq->free_count <= RX_LOW_WATERMARK) + schedule_work(&trans_pcie->rx_replenish); /* If we've added more space for the firmware to place data, tell it. * Increment device's write pointer in multiples of 8. */ @@ -278,44 +255,6 @@ static void iwl_pcie_rxq_restock(struct iwl_trans *trans) } /* - * iwl_pcie_rx_alloc_page - allocates and returns a page. - * - */ -static struct page *iwl_pcie_rx_alloc_page(struct iwl_trans *trans) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rxq *rxq = &trans_pcie->rxq; - struct page *page; - gfp_t gfp_mask = GFP_KERNEL; - - if (rxq->free_count > RX_LOW_WATERMARK) - gfp_mask |= __GFP_NOWARN; - - if (trans_pcie->rx_page_order > 0) - gfp_mask |= __GFP_COMP; - - /* Alloc a new receive buffer */ - page = alloc_pages(gfp_mask, trans_pcie->rx_page_order); - if (!page) { - if (net_ratelimit()) - IWL_DEBUG_INFO(trans, "alloc_pages failed, order: %d\n", - trans_pcie->rx_page_order); - /* Issue an error if the hardware has consumed more than half - * of its free buffer list and we don't have enough - * pre-allocated buffers. -` */ - if (rxq->free_count <= RX_LOW_WATERMARK && - iwl_rxq_space(rxq) > (RX_QUEUE_SIZE / 2) && - net_ratelimit()) - IWL_CRIT(trans, - "Failed to alloc_pages with GFP_KERNEL. Only %u free buffers remaining.\n", - rxq->free_count); - return NULL; - } - return page; -} - -/* * iwl_pcie_rxq_alloc_rbs - allocate a page for each used RBD * * A used RBD is an Rx buffer that has been given to the stack. To use it again @@ -324,12 +263,13 @@ static struct page *iwl_pcie_rx_alloc_page(struct iwl_trans *trans) * iwl_pcie_rxq_restock. The latter function will update the HW to use the newly * allocated buffers. */ -static void iwl_pcie_rxq_alloc_rbs(struct iwl_trans *trans) +static void iwl_pcie_rxq_alloc_rbs(struct iwl_trans *trans, gfp_t priority) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; struct iwl_rx_mem_buffer *rxb; struct page *page; + gfp_t gfp_mask = priority; while (1) { spin_lock(&rxq->lock); @@ -339,10 +279,32 @@ static void iwl_pcie_rxq_alloc_rbs(struct iwl_trans *trans) } spin_unlock(&rxq->lock); + if (rxq->free_count > RX_LOW_WATERMARK) + gfp_mask |= __GFP_NOWARN; + + if (trans_pcie->rx_page_order > 0) + gfp_mask |= __GFP_COMP; + /* Alloc a new receive buffer */ - page = iwl_pcie_rx_alloc_page(trans); - if (!page) + page = alloc_pages(gfp_mask, trans_pcie->rx_page_order); + if (!page) { + if (net_ratelimit()) + IWL_DEBUG_INFO(trans, "alloc_pages failed, " + "order: %d\n", + trans_pcie->rx_page_order); + + if ((rxq->free_count <= RX_LOW_WATERMARK) && + net_ratelimit()) + IWL_CRIT(trans, "Failed to alloc_pages with %s." + "Only %u free buffers remaining.\n", + priority == GFP_ATOMIC ? + "GFP_ATOMIC" : "GFP_KERNEL", + rxq->free_count); + /* We don't reschedule replenish work here -- we will + * call the restock method and if it still needs + * more buffers it will schedule replenish */ return; + } spin_lock(&rxq->lock); @@ -393,7 +355,7 @@ static void iwl_pcie_rxq_free_rbs(struct iwl_trans *trans) lockdep_assert_held(&rxq->lock); - for (i = 0; i < RX_QUEUE_SIZE; i++) { + for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) { if (!rxq->pool[i].page) continue; dma_unmap_page(trans->dev, rxq->pool[i].page_dma, @@ -410,144 +372,32 @@ static void iwl_pcie_rxq_free_rbs(struct iwl_trans *trans) * When moving to rx_free an page is allocated for the slot. * * Also restock the Rx queue via iwl_pcie_rxq_restock. - * This is called only during initialization + * This is called as a scheduled work item (except for during initialization) */ -static void iwl_pcie_rx_replenish(struct iwl_trans *trans) +static void iwl_pcie_rx_replenish(struct iwl_trans *trans, gfp_t gfp) { - iwl_pcie_rxq_alloc_rbs(trans); + iwl_pcie_rxq_alloc_rbs(trans, gfp); iwl_pcie_rxq_restock(trans); } -/* - * iwl_pcie_rx_allocator - Allocates pages in the background for RX queues - * - * Allocates for each received request 8 pages - * Called as a scheduled work item. - */ -static void iwl_pcie_rx_allocator(struct iwl_trans *trans) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rb_allocator *rba = &trans_pcie->rba; - - while (atomic_read(&rba->req_pending)) { - int i; - struct list_head local_empty; - struct list_head local_allocated; - - INIT_LIST_HEAD(&local_allocated); - spin_lock(&rba->lock); - /* swap out the entire rba->rbd_empty to a local list */ - list_replace_init(&rba->rbd_empty, &local_empty); - spin_unlock(&rba->lock); - - for (i = 0; i < RX_CLAIM_REQ_ALLOC;) { - struct iwl_rx_mem_buffer *rxb; - struct page *page; - - /* List should never be empty - each reused RBD is - * returned to the list, and initial pool covers any - * possible gap between the time the page is allocated - * to the time the RBD is added. - */ - BUG_ON(list_empty(&local_empty)); - /* Get the first rxb from the rbd list */ - rxb = list_first_entry(&local_empty, - struct iwl_rx_mem_buffer, list); - BUG_ON(rxb->page); - - /* Alloc a new receive buffer */ - page = iwl_pcie_rx_alloc_page(trans); - if (!page) - continue; - rxb->page = page; - - /* Get physical address of the RB */ - rxb->page_dma = dma_map_page(trans->dev, page, 0, - PAGE_SIZE << trans_pcie->rx_page_order, - DMA_FROM_DEVICE); - if (dma_mapping_error(trans->dev, rxb->page_dma)) { - rxb->page = NULL; - __free_pages(page, trans_pcie->rx_page_order); - continue; - } - /* dma address must be no more than 36 bits */ - BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36)); - /* and also 256 byte aligned! */ - BUG_ON(rxb->page_dma & DMA_BIT_MASK(8)); - - /* move the allocated entry to the out list */ - list_move(&rxb->list, &local_allocated); - i++; - } - - spin_lock(&rba->lock); - /* add the allocated rbds to the allocator allocated list */ - list_splice_tail(&local_allocated, &rba->rbd_allocated); - /* add the unused rbds back to the allocator empty list */ - list_splice_tail(&local_empty, &rba->rbd_empty); - spin_unlock(&rba->lock); - - atomic_dec(&rba->req_pending); - atomic_inc(&rba->req_ready); - } -} - -/* - * iwl_pcie_rx_allocator_get - Returns the pre-allocated pages -.* -.* Called by queue when the queue posted allocation request and - * has freed 8 RBDs in order to restock itself. - */ -static int iwl_pcie_rx_allocator_get(struct iwl_trans *trans, - struct iwl_rx_mem_buffer - *out[RX_CLAIM_REQ_ALLOC]) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rb_allocator *rba = &trans_pcie->rba; - int i; - - if (atomic_dec_return(&rba->req_ready) < 0) { - atomic_inc(&rba->req_ready); - IWL_DEBUG_RX(trans, - "Allocation request not ready, pending requests = %d\n", - atomic_read(&rba->req_pending)); - return -ENOMEM; - } - - spin_lock(&rba->lock); - for (i = 0; i < RX_CLAIM_REQ_ALLOC; i++) { - /* Get next free Rx buffer, remove it from free list */ - out[i] = list_first_entry(&rba->rbd_allocated, - struct iwl_rx_mem_buffer, list); - list_del(&out[i]->list); - } - spin_unlock(&rba->lock); - - return 0; -} - -static void iwl_pcie_rx_allocator_work(struct work_struct *data) +static void iwl_pcie_rx_replenish_work(struct work_struct *data) { - struct iwl_rb_allocator *rba_p = - container_of(data, struct iwl_rb_allocator, rx_alloc); struct iwl_trans_pcie *trans_pcie = - container_of(rba_p, struct iwl_trans_pcie, rba); + container_of(data, struct iwl_trans_pcie, rx_replenish); - iwl_pcie_rx_allocator(trans_pcie->trans); + iwl_pcie_rx_replenish(trans_pcie->trans, GFP_KERNEL); } static int iwl_pcie_rx_alloc(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; - struct iwl_rb_allocator *rba = &trans_pcie->rba; struct device *dev = trans->dev; memset(&trans_pcie->rxq, 0, sizeof(trans_pcie->rxq)); spin_lock_init(&rxq->lock); - spin_lock_init(&rba->lock); if (WARN_ON(rxq->bd || rxq->rb_stts)) return -EINVAL; @@ -637,49 +487,15 @@ static void iwl_pcie_rx_init_rxb_lists(struct iwl_rxq *rxq) INIT_LIST_HEAD(&rxq->rx_free); INIT_LIST_HEAD(&rxq->rx_used); rxq->free_count = 0; - rxq->used_count = 0; - for (i = 0; i < RX_QUEUE_SIZE; i++) + for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) list_add(&rxq->pool[i].list, &rxq->rx_used); } -static void iwl_pcie_rx_init_rba(struct iwl_rb_allocator *rba) -{ - int i; - - lockdep_assert_held(&rba->lock); - - INIT_LIST_HEAD(&rba->rbd_allocated); - INIT_LIST_HEAD(&rba->rbd_empty); - - for (i = 0; i < RX_POOL_SIZE; i++) - list_add(&rba->pool[i].list, &rba->rbd_empty); -} - -static void iwl_pcie_rx_free_rba(struct iwl_trans *trans) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rb_allocator *rba = &trans_pcie->rba; - int i; - - lockdep_assert_held(&rba->lock); - - for (i = 0; i < RX_POOL_SIZE; i++) { - if (!rba->pool[i].page) - continue; - dma_unmap_page(trans->dev, rba->pool[i].page_dma, - PAGE_SIZE << trans_pcie->rx_page_order, - DMA_FROM_DEVICE); - __free_pages(rba->pool[i].page, trans_pcie->rx_page_order); - rba->pool[i].page = NULL; - } -} - int iwl_pcie_rx_init(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; - struct iwl_rb_allocator *rba = &trans_pcie->rba; int i, err; if (!rxq->bd) { @@ -687,21 +503,11 @@ int iwl_pcie_rx_init(struct iwl_trans *trans) if (err) return err; } - if (!rba->alloc_wq) - rba->alloc_wq = alloc_workqueue("rb_allocator", - WQ_HIGHPRI | WQ_UNBOUND, 1); - INIT_WORK(&rba->rx_alloc, iwl_pcie_rx_allocator_work); - - spin_lock(&rba->lock); - atomic_set(&rba->req_pending, 0); - atomic_set(&rba->req_ready, 0); - /* free all first - we might be reconfigured for a different size */ - iwl_pcie_rx_free_rba(trans); - iwl_pcie_rx_init_rba(rba); - spin_unlock(&rba->lock); spin_lock(&rxq->lock); + INIT_WORK(&trans_pcie->rx_replenish, iwl_pcie_rx_replenish_work); + /* free all first - we might be reconfigured for a different size */ iwl_pcie_rxq_free_rbs(trans); iwl_pcie_rx_init_rxb_lists(rxq); @@ -716,7 +522,7 @@ int iwl_pcie_rx_init(struct iwl_trans *trans) memset(rxq->rb_stts, 0, sizeof(*rxq->rb_stts)); spin_unlock(&rxq->lock); - iwl_pcie_rx_replenish(trans); + iwl_pcie_rx_replenish(trans, GFP_KERNEL); iwl_pcie_rx_hw_init(trans, rxq); @@ -731,7 +537,6 @@ void iwl_pcie_rx_free(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; - struct iwl_rb_allocator *rba = &trans_pcie->rba; /*if rxq->bd is NULL, it means that nothing has been allocated, * exit now */ @@ -740,15 +545,7 @@ void iwl_pcie_rx_free(struct iwl_trans *trans) return; } - cancel_work_sync(&rba->rx_alloc); - if (rba->alloc_wq) { - destroy_workqueue(rba->alloc_wq); - rba->alloc_wq = NULL; - } - - spin_lock(&rba->lock); - iwl_pcie_rx_free_rba(trans); - spin_unlock(&rba->lock); + cancel_work_sync(&trans_pcie->rx_replenish); spin_lock(&rxq->lock); iwl_pcie_rxq_free_rbs(trans); @@ -769,43 +566,6 @@ void iwl_pcie_rx_free(struct iwl_trans *trans) rxq->rb_stts = NULL; } -/* - * iwl_pcie_rx_reuse_rbd - Recycle used RBDs - * - * Called when a RBD can be reused. The RBD is transferred to the allocator. - * When there are 2 empty RBDs - a request for allocation is posted - */ -static void iwl_pcie_rx_reuse_rbd(struct iwl_trans *trans, - struct iwl_rx_mem_buffer *rxb, - struct iwl_rxq *rxq) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rb_allocator *rba = &trans_pcie->rba; - - /* Count the used RBDs */ - rxq->used_count++; - - /* Move the RBD to the used list, will be moved to allocator in batches - * before claiming or posting a request*/ - list_add_tail(&rxb->list, &rxq->rx_used); - - /* If we have RX_POST_REQ_ALLOC new released rx buffers - - * issue a request for allocator. Modulo RX_CLAIM_REQ_ALLOC is - * used for the case we failed to claim RX_CLAIM_REQ_ALLOC, - * after but we still need to post another request. - */ - if ((rxq->used_count % RX_CLAIM_REQ_ALLOC) == RX_POST_REQ_ALLOC) { - /* Move the 2 RBDs to the allocator ownership. - Allocator has another 6 from pool for the request completion*/ - spin_lock(&rba->lock); - list_splice_tail_init(&rxq->rx_used, &rba->rbd_empty); - spin_unlock(&rba->lock); - - atomic_inc(&rba->req_pending); - queue_work(rba->alloc_wq, &rba->rx_alloc); - } -} - static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb) { @@ -928,13 +688,13 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, */ __free_pages(rxb->page, trans_pcie->rx_page_order); rxb->page = NULL; - iwl_pcie_rx_reuse_rbd(trans, rxb, rxq); + list_add_tail(&rxb->list, &rxq->rx_used); } else { list_add_tail(&rxb->list, &rxq->rx_free); rxq->free_count++; } } else - iwl_pcie_rx_reuse_rbd(trans, rxb, rxq); + list_add_tail(&rxb->list, &rxq->rx_used); } /* @@ -944,7 +704,10 @@ static void iwl_pcie_rx_handle(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; - u32 r, i, j; + u32 r, i; + u8 fill_rx = 0; + u32 count = 8; + int total_empty; restart: spin_lock(&rxq->lock); @@ -957,6 +720,14 @@ restart: if (i == r) IWL_DEBUG_RX(trans, "HW = SW = %d\n", r); + /* calculate total frames need to be restock after handling RX */ + total_empty = r - rxq->write_actual; + if (total_empty < 0) + total_empty += RX_QUEUE_SIZE; + + if (total_empty > (RX_QUEUE_SIZE / 2)) + fill_rx = 1; + while (i != r) { struct iwl_rx_mem_buffer *rxb; @@ -968,48 +739,29 @@ restart: iwl_pcie_rx_handle_rb(trans, rxb); i = (i + 1) & RX_QUEUE_MASK; - - /* If we have RX_CLAIM_REQ_ALLOC released rx buffers - - * try to claim the pre-allocated buffers from the allocator */ - if (rxq->used_count >= RX_CLAIM_REQ_ALLOC) { - struct iwl_rb_allocator *rba = &trans_pcie->rba; - struct iwl_rx_mem_buffer *out[RX_CLAIM_REQ_ALLOC]; - - /* Add the remaining 6 empty RBDs for allocator use */ - spin_lock(&rba->lock); - list_splice_tail_init(&rxq->rx_used, &rba->rbd_empty); - spin_unlock(&rba->lock); - - /* If not ready - continue, will try to reclaim later. - * No need to reschedule work - allocator exits only on - * success */ - if (!iwl_pcie_rx_allocator_get(trans, out)) { - /* If success - then RX_CLAIM_REQ_ALLOC - * buffers were retrieved and should be added - * to free list */ - rxq->used_count -= RX_CLAIM_REQ_ALLOC; - for (j = 0; j < RX_CLAIM_REQ_ALLOC; j++) { - list_add_tail(&out[j]->list, - &rxq->rx_free); - rxq->free_count++; - } + /* If there are a lot of unused frames, + * restock the Rx queue so ucode wont assert. */ + if (fill_rx) { + count++; + if (count >= 8) { + rxq->read = i; + spin_unlock(&rxq->lock); + iwl_pcie_rx_replenish(trans, GFP_ATOMIC); + count = 0; + goto restart; } } - /* handle restock for two cases: - * - we just pulled buffers from the allocator - * - we have 8+ unstolen pages accumulated */ - if (rxq->free_count >= RX_CLAIM_REQ_ALLOC) { - rxq->read = i; - spin_unlock(&rxq->lock); - iwl_pcie_rxq_restock(trans); - goto restart; - } } /* Backtrack one entry */ rxq->read = i; spin_unlock(&rxq->lock); + if (fill_rx) + iwl_pcie_rx_replenish(trans, GFP_ATOMIC); + else + iwl_pcie_rxq_restock(trans); + if (trans_pcie->napi.poll) napi_gro_flush(&trans_pcie->napi, false); } diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 43ae658af6ec..9e144e71da0b 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -182,7 +182,7 @@ static void iwl_trans_pcie_write_shr(struct iwl_trans *trans, u32 reg, u32 val) static void iwl_pcie_set_pwr(struct iwl_trans *trans, bool vaux) { - if (!trans->cfg->apmg_not_supported) + if (trans->cfg->apmg_not_supported) return; if (vaux && pci_pme_capable(to_pci_dev(trans->dev), PCI_D3cold)) @@ -478,10 +478,16 @@ static void iwl_pcie_apm_stop(struct iwl_trans *trans, bool op_mode_leave) if (trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) iwl_set_bits_prph(trans, APMG_PCIDEV_STT_REG, APMG_PCIDEV_STT_VAL_WAKE_ME); - else if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) + else if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { + iwl_set_bit(trans, CSR_DBG_LINK_PWR_MGMT_REG, + CSR_RESET_LINK_PWR_MGMT_DISABLED); iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_PREPARE | CSR_HW_IF_CONFIG_REG_ENABLE_PME); + mdelay(1); + iwl_clear_bit(trans, CSR_DBG_LINK_PWR_MGMT_REG, + CSR_RESET_LINK_PWR_MGMT_DISABLED); + } mdelay(5); } @@ -575,6 +581,10 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) if (ret >= 0) return 0; + iwl_set_bit(trans, CSR_DBG_LINK_PWR_MGMT_REG, + CSR_RESET_LINK_PWR_MGMT_DISABLED); + msleep(1); + for (iter = 0; iter < 10; iter++) { /* If HW is not ready, prepare the conditions to check again */ iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, @@ -582,8 +592,10 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) do { ret = iwl_pcie_set_hw_ready(trans); - if (ret >= 0) - return 0; + if (ret >= 0) { + ret = 0; + goto out; + } usleep_range(200, 1000); t += 200; @@ -593,6 +605,10 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) IWL_ERR(trans, "Couldn't prepare the card\n"); +out: + iwl_clear_bit(trans, CSR_DBG_LINK_PWR_MGMT_REG, + CSR_RESET_LINK_PWR_MGMT_DISABLED); + return ret; } @@ -2459,7 +2475,7 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, struct iwl_trans_pcie *trans_pcie; struct iwl_trans *trans; u16 pci_cmd; - int err; + int ret; trans = iwl_trans_alloc(sizeof(struct iwl_trans_pcie), &pdev->dev, cfg, &trans_ops_pcie, 0); @@ -2474,8 +2490,8 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, spin_lock_init(&trans_pcie->ref_lock); init_waitqueue_head(&trans_pcie->ucode_write_waitq); - err = pci_enable_device(pdev); - if (err) + ret = pci_enable_device(pdev); + if (ret) goto out_no_pci; if (!cfg->base_params->pcie_l1_allowed) { @@ -2491,23 +2507,23 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, pci_set_master(pdev); - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(36)); - if (!err) - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(36)); - if (err) { - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (!err) - err = pci_set_consistent_dma_mask(pdev, + ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(36)); + if (!ret) + ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(36)); + if (ret) { + ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (!ret) + ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); /* both attempts failed: */ - if (err) { + if (ret) { dev_err(&pdev->dev, "No suitable DMA available\n"); goto out_pci_disable_device; } } - err = pci_request_regions(pdev, DRV_NAME); - if (err) { + ret = pci_request_regions(pdev, DRV_NAME); + if (ret) { dev_err(&pdev->dev, "pci_request_regions failed\n"); goto out_pci_disable_device; } @@ -2515,7 +2531,7 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, trans_pcie->hw_base = pci_ioremap_bar(pdev, 0); if (!trans_pcie->hw_base) { dev_err(&pdev->dev, "pci_ioremap_bar failed\n"); - err = -ENODEV; + ret = -ENODEV; goto out_pci_release_regions; } @@ -2527,9 +2543,9 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, trans_pcie->pci_dev = pdev; iwl_disable_interrupts(trans); - err = pci_enable_msi(pdev); - if (err) { - dev_err(&pdev->dev, "pci_enable_msi failed(0X%x)\n", err); + ret = pci_enable_msi(pdev); + if (ret) { + dev_err(&pdev->dev, "pci_enable_msi failed(0X%x)\n", ret); /* enable rfkill interrupt: hw bug w/a */ pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); if (pci_cmd & PCI_COMMAND_INTX_DISABLE) { @@ -2547,11 +2563,16 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, */ if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { unsigned long flags; - int ret; trans->hw_rev = (trans->hw_rev & 0xfff0) | (CSR_HW_REV_STEP(trans->hw_rev << 2) << 2); + ret = iwl_pcie_prepare_card_hw(trans); + if (ret) { + IWL_WARN(trans, "Exit HW not ready\n"); + goto out_pci_disable_msi; + } + /* * in-order to recognize C step driver should read chip version * id located at the AUX bus MISC address space. @@ -2591,13 +2612,14 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, /* Initialize the wait queue for commands */ init_waitqueue_head(&trans_pcie->wait_command_queue); - if (iwl_pcie_alloc_ict(trans)) + ret = iwl_pcie_alloc_ict(trans); + if (ret) goto out_pci_disable_msi; - err = request_threaded_irq(pdev->irq, iwl_pcie_isr, + ret = request_threaded_irq(pdev->irq, iwl_pcie_isr, iwl_pcie_irq_handler, IRQF_SHARED, DRV_NAME, trans); - if (err) { + if (ret) { IWL_ERR(trans, "Error allocating IRQ %d\n", pdev->irq); goto out_free_ict; } @@ -2617,5 +2639,5 @@ out_pci_disable_device: pci_disable_device(pdev); out_no_pci: iwl_trans_free(trans); - return ERR_PTR(err); + return ERR_PTR(ret); } diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c index 2b86c2135de3..607acb53c847 100644 --- a/drivers/net/wireless/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/iwlwifi/pcie/tx.c @@ -1875,8 +1875,19 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, /* start timer if queue currently empty */ if (q->read_ptr == q->write_ptr) { - if (txq->wd_timeout) - mod_timer(&txq->stuck_timer, jiffies + txq->wd_timeout); + if (txq->wd_timeout) { + /* + * If the TXQ is active, then set the timer, if not, + * set the timer in remainder so that the timer will + * be armed with the right value when the station will + * wake up. + */ + if (!txq->frozen) + mod_timer(&txq->stuck_timer, + jiffies + txq->wd_timeout); + else + txq->frozen_expiry_remainder = txq->wd_timeout; + } IWL_DEBUG_RPM(trans, "Q: %d first tx - take ref\n", q->id); iwl_trans_pcie_ref(trans); } diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c index b6cc9ff47fc2..1c6788aecc62 100644 --- a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c +++ b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c @@ -172,6 +172,7 @@ static int rsi_load_ta_instructions(struct rsi_common *common) (struct rsi_91x_sdiodev *)adapter->rsi_dev; u32 len; u32 num_blocks; + const u8 *fw; const struct firmware *fw_entry = NULL; u32 block_size = dev->tx_blk_size; int status = 0; @@ -200,6 +201,10 @@ static int rsi_load_ta_instructions(struct rsi_common *common) return status; } + /* Copy firmware into DMA-accessible memory */ + fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL); + if (!fw) + return -ENOMEM; len = fw_entry->size; if (len % 4) @@ -210,7 +215,8 @@ static int rsi_load_ta_instructions(struct rsi_common *common) rsi_dbg(INIT_ZONE, "%s: Instruction size:%d\n", __func__, len); rsi_dbg(INIT_ZONE, "%s: num blocks: %d\n", __func__, num_blocks); - status = rsi_copy_to_card(common, fw_entry->data, len, num_blocks); + status = rsi_copy_to_card(common, fw, len, num_blocks); + kfree(fw); release_firmware(fw_entry); return status; } diff --git a/drivers/net/wireless/rsi/rsi_91x_usb_ops.c b/drivers/net/wireless/rsi/rsi_91x_usb_ops.c index 1106ce76707e..30c2cf7fa93b 100644 --- a/drivers/net/wireless/rsi/rsi_91x_usb_ops.c +++ b/drivers/net/wireless/rsi/rsi_91x_usb_ops.c @@ -146,7 +146,10 @@ static int rsi_load_ta_instructions(struct rsi_common *common) return status; } + /* Copy firmware into DMA-accessible memory */ fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL); + if (!fw) + return -ENOMEM; len = fw_entry->size; if (len % 4) @@ -158,6 +161,7 @@ static int rsi_load_ta_instructions(struct rsi_common *common) rsi_dbg(INIT_ZONE, "%s: num blocks: %d\n", __func__, num_blocks); status = rsi_copy_to_card(common, fw, len, num_blocks); + kfree(fw); release_firmware(fw_entry); return status; } diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c index 3b3a88b53b11..585d0883c7e5 100644 --- a/drivers/net/wireless/rtlwifi/core.c +++ b/drivers/net/wireless/rtlwifi/core.c @@ -1015,9 +1015,12 @@ static void send_beacon_frame(struct ieee80211_hw *hw, { struct rtl_priv *rtlpriv = rtl_priv(hw); struct sk_buff *skb = ieee80211_beacon_get(hw, vif); + struct rtl_tcb_desc tcb_desc; - if (skb) - rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, NULL); + if (skb) { + memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); + rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc); + } } static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/rtlwifi/rtl8723be/sw.c b/drivers/net/wireless/rtlwifi/rtl8723be/sw.c index 1017f02d7bf7..7bf88d9dcdc3 100644 --- a/drivers/net/wireless/rtlwifi/rtl8723be/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8723be/sw.c @@ -385,6 +385,7 @@ module_param_named(debug, rtl8723be_mod_params.debug, int, 0444); module_param_named(ips, rtl8723be_mod_params.inactiveps, bool, 0444); module_param_named(swlps, rtl8723be_mod_params.swctrl_lps, bool, 0444); module_param_named(fwlps, rtl8723be_mod_params.fwctrl_lps, bool, 0444); +module_param_named(msi, rtl8723be_mod_params.msi_support, bool, 0444); module_param_named(disable_watchdog, rtl8723be_mod_params.disable_watchdog, bool, 0444); MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n"); diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 1a83e190fc15..28577a31549d 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -61,6 +61,12 @@ void xenvif_skb_zerocopy_prepare(struct xenvif_queue *queue, void xenvif_skb_zerocopy_complete(struct xenvif_queue *queue) { atomic_dec(&queue->inflight_packets); + + /* Wake the dealloc thread _after_ decrementing inflight_packets so + * that if kthread_stop() has already been called, the dealloc thread + * does not wait forever with nothing to wake it. + */ + wake_up(&queue->dealloc_wq); } int xenvif_schedulable(struct xenvif *vif) diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 880d0d63e872..3f44b522b831 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -810,23 +810,17 @@ static inline struct sk_buff *xenvif_alloc_skb(unsigned int size) static struct gnttab_map_grant_ref *xenvif_get_requests(struct xenvif_queue *queue, struct sk_buff *skb, struct xen_netif_tx_request *txp, - struct gnttab_map_grant_ref *gop) + struct gnttab_map_grant_ref *gop, + unsigned int frag_overflow, + struct sk_buff *nskb) { struct skb_shared_info *shinfo = skb_shinfo(skb); skb_frag_t *frags = shinfo->frags; u16 pending_idx = XENVIF_TX_CB(skb)->pending_idx; int start; pending_ring_idx_t index; - unsigned int nr_slots, frag_overflow = 0; + unsigned int nr_slots; - /* At this point shinfo->nr_frags is in fact the number of - * slots, which can be as large as XEN_NETBK_LEGACY_SLOTS_MAX. - */ - if (shinfo->nr_frags > MAX_SKB_FRAGS) { - frag_overflow = shinfo->nr_frags - MAX_SKB_FRAGS; - BUG_ON(frag_overflow > MAX_SKB_FRAGS); - shinfo->nr_frags = MAX_SKB_FRAGS; - } nr_slots = shinfo->nr_frags; /* Skip first skb fragment if it is on same page as header fragment. */ @@ -841,13 +835,6 @@ static struct gnttab_map_grant_ref *xenvif_get_requests(struct xenvif_queue *que } if (frag_overflow) { - struct sk_buff *nskb = xenvif_alloc_skb(0); - if (unlikely(nskb == NULL)) { - if (net_ratelimit()) - netdev_err(queue->vif->dev, - "Can't allocate the frag_list skb.\n"); - return NULL; - } shinfo = skb_shinfo(nskb); frags = shinfo->frags; @@ -1175,9 +1162,10 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue, unsigned *copy_ops, unsigned *map_ops) { - struct gnttab_map_grant_ref *gop = queue->tx_map_ops, *request_gop; - struct sk_buff *skb; + struct gnttab_map_grant_ref *gop = queue->tx_map_ops; + struct sk_buff *skb, *nskb; int ret; + unsigned int frag_overflow; while (skb_queue_len(&queue->tx_queue) < budget) { struct xen_netif_tx_request txreq; @@ -1265,6 +1253,29 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue, break; } + skb_shinfo(skb)->nr_frags = ret; + if (data_len < txreq.size) + skb_shinfo(skb)->nr_frags++; + /* At this point shinfo->nr_frags is in fact the number of + * slots, which can be as large as XEN_NETBK_LEGACY_SLOTS_MAX. + */ + frag_overflow = 0; + nskb = NULL; + if (skb_shinfo(skb)->nr_frags > MAX_SKB_FRAGS) { + frag_overflow = skb_shinfo(skb)->nr_frags - MAX_SKB_FRAGS; + BUG_ON(frag_overflow > MAX_SKB_FRAGS); + skb_shinfo(skb)->nr_frags = MAX_SKB_FRAGS; + nskb = xenvif_alloc_skb(0); + if (unlikely(nskb == NULL)) { + kfree_skb(skb); + xenvif_tx_err(queue, &txreq, idx); + if (net_ratelimit()) + netdev_err(queue->vif->dev, + "Can't allocate the frag_list skb.\n"); + break; + } + } + if (extras[XEN_NETIF_EXTRA_TYPE_GSO - 1].type) { struct xen_netif_extra_info *gso; gso = &extras[XEN_NETIF_EXTRA_TYPE_GSO - 1]; @@ -1272,6 +1283,7 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue, if (xenvif_set_skb_gso(queue->vif, skb, gso)) { /* Failure in xenvif_set_skb_gso is fatal. */ kfree_skb(skb); + kfree_skb(nskb); break; } } @@ -1294,9 +1306,7 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue, (*copy_ops)++; - skb_shinfo(skb)->nr_frags = ret; if (data_len < txreq.size) { - skb_shinfo(skb)->nr_frags++; frag_set_pending_idx(&skb_shinfo(skb)->frags[0], pending_idx); xenvif_tx_create_map_op(queue, pending_idx, &txreq, gop); @@ -1310,13 +1320,8 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue, queue->pending_cons++; - request_gop = xenvif_get_requests(queue, skb, txfrags, gop); - if (request_gop == NULL) { - kfree_skb(skb); - xenvif_tx_err(queue, &txreq, idx); - break; - } - gop = request_gop; + gop = xenvif_get_requests(queue, skb, txfrags, gop, + frag_overflow, nskb); __skb_queue_tail(&queue->tx_queue, skb); @@ -1536,7 +1541,6 @@ void xenvif_zerocopy_callback(struct ubuf_info *ubuf, bool zerocopy_success) smp_wmb(); queue->dealloc_prod++; } while (ubuf); - wake_up(&queue->dealloc_wq); spin_unlock_irqrestore(&queue->callback_lock, flags); if (likely(zerocopy_success)) @@ -1566,13 +1570,13 @@ static inline void xenvif_tx_dealloc_action(struct xenvif_queue *queue) smp_rmb(); while (dc != dp) { - BUG_ON(gop - queue->tx_unmap_ops > MAX_PENDING_REQS); + BUG_ON(gop - queue->tx_unmap_ops >= MAX_PENDING_REQS); pending_idx = queue->dealloc_ring[pending_index(dc++)]; - pending_idx_release[gop-queue->tx_unmap_ops] = + pending_idx_release[gop - queue->tx_unmap_ops] = pending_idx; - queue->pages_to_unmap[gop-queue->tx_unmap_ops] = + queue->pages_to_unmap[gop - queue->tx_unmap_ops] = queue->mmap_pages[pending_idx]; gnttab_set_unmap_op(gop, idx_to_kaddr(queue, pending_idx), diff --git a/drivers/ntb/ntb.c b/drivers/ntb/ntb.c index 23435f2a5486..2e2530743831 100644 --- a/drivers/ntb/ntb.c +++ b/drivers/ntb/ntb.c @@ -114,7 +114,7 @@ int ntb_register_device(struct ntb_dev *ntb) ntb->dev.bus = &ntb_bus; ntb->dev.parent = &ntb->pdev->dev; ntb->dev.release = ntb_dev_release; - dev_set_name(&ntb->dev, pci_name(ntb->pdev)); + dev_set_name(&ntb->dev, "%s", pci_name(ntb->pdev)); ntb->ctx = NULL; ntb->ctx_ops = NULL; diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index efe3ad4122f2..1c6386d5f79c 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -142,10 +142,11 @@ struct ntb_transport_qp { void (*rx_handler)(struct ntb_transport_qp *qp, void *qp_data, void *data, int len); + struct list_head rx_post_q; struct list_head rx_pend_q; struct list_head rx_free_q; - spinlock_t ntb_rx_pend_q_lock; - spinlock_t ntb_rx_free_q_lock; + /* ntb_rx_q_lock: synchronize access to rx_XXXX_q */ + spinlock_t ntb_rx_q_lock; void *rx_buff; unsigned int rx_index; unsigned int rx_max_entry; @@ -211,6 +212,8 @@ struct ntb_transport_ctx { bool link_is_up; struct delayed_work link_work; struct work_struct link_cleanup; + + struct dentry *debugfs_node_dir; }; enum { @@ -436,13 +439,17 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf, size_t count, char *buf; ssize_t ret, out_offset, out_count; + qp = filp->private_data; + + if (!qp || !qp->link_is_up) + return 0; + out_count = 1000; buf = kmalloc(out_count, GFP_KERNEL); if (!buf) return -ENOMEM; - qp = filp->private_data; out_offset = 0; out_offset += snprintf(buf + out_offset, out_count - out_offset, "NTB QP stats\n"); @@ -534,6 +541,27 @@ out: return entry; } +static struct ntb_queue_entry *ntb_list_mv(spinlock_t *lock, + struct list_head *list, + struct list_head *to_list) +{ + struct ntb_queue_entry *entry; + unsigned long flags; + + spin_lock_irqsave(lock, flags); + + if (list_empty(list)) { + entry = NULL; + } else { + entry = list_first_entry(list, struct ntb_queue_entry, entry); + list_move_tail(&entry->entry, to_list); + } + + spin_unlock_irqrestore(lock, flags); + + return entry; +} + static int ntb_transport_setup_qp_mw(struct ntb_transport_ctx *nt, unsigned int qp_num) { @@ -601,13 +629,16 @@ static void ntb_free_mw(struct ntb_transport_ctx *nt, int num_mw) } static int ntb_set_mw(struct ntb_transport_ctx *nt, int num_mw, - unsigned int size) + resource_size_t size) { struct ntb_transport_mw *mw = &nt->mw_vec[num_mw]; struct pci_dev *pdev = nt->ndev->pdev; - unsigned int xlat_size, buff_size; + size_t xlat_size, buff_size; int rc; + if (!size) + return -EINVAL; + xlat_size = round_up(size, mw->xlat_align_size); buff_size = round_up(size, mw->xlat_align); @@ -627,7 +658,7 @@ static int ntb_set_mw(struct ntb_transport_ctx *nt, int num_mw, if (!mw->virt_addr) { mw->xlat_size = 0; mw->buff_size = 0; - dev_err(&pdev->dev, "Unable to alloc MW buff of size %d\n", + dev_err(&pdev->dev, "Unable to alloc MW buff of size %zu\n", buff_size); return -ENOMEM; } @@ -867,6 +898,8 @@ static void ntb_qp_link_work(struct work_struct *work) if (qp->event_handler) qp->event_handler(qp->cb_data, qp->link_is_up); + + tasklet_schedule(&qp->rxc_db_work); } else if (nt->link_is_up) schedule_delayed_work(&qp->link_work, msecs_to_jiffies(NTB_LINK_DOWN_TIMEOUT)); @@ -923,12 +956,12 @@ static int ntb_transport_init_queue(struct ntb_transport_ctx *nt, qp->tx_max_frame = min(transport_mtu, tx_size / 2); qp->tx_max_entry = tx_size / qp->tx_max_frame; - if (nt_debugfs_dir) { + if (nt->debugfs_node_dir) { char debugfs_name[4]; snprintf(debugfs_name, 4, "qp%d", qp_num); qp->debugfs_dir = debugfs_create_dir(debugfs_name, - nt_debugfs_dir); + nt->debugfs_node_dir); qp->debugfs_stats = debugfs_create_file("stats", S_IRUSR, qp->debugfs_dir, qp, @@ -941,10 +974,10 @@ static int ntb_transport_init_queue(struct ntb_transport_ctx *nt, INIT_DELAYED_WORK(&qp->link_work, ntb_qp_link_work); INIT_WORK(&qp->link_cleanup, ntb_qp_link_cleanup_work); - spin_lock_init(&qp->ntb_rx_pend_q_lock); - spin_lock_init(&qp->ntb_rx_free_q_lock); + spin_lock_init(&qp->ntb_rx_q_lock); spin_lock_init(&qp->ntb_tx_free_q_lock); + INIT_LIST_HEAD(&qp->rx_post_q); INIT_LIST_HEAD(&qp->rx_pend_q); INIT_LIST_HEAD(&qp->rx_free_q); INIT_LIST_HEAD(&qp->tx_free_q); @@ -1031,6 +1064,12 @@ static int ntb_transport_probe(struct ntb_client *self, struct ntb_dev *ndev) goto err2; } + if (nt_debugfs_dir) { + nt->debugfs_node_dir = + debugfs_create_dir(pci_name(ndev->pdev), + nt_debugfs_dir); + } + for (i = 0; i < qp_count; i++) { rc = ntb_transport_init_queue(nt, i); if (rc) @@ -1107,22 +1146,47 @@ static void ntb_transport_free(struct ntb_client *self, struct ntb_dev *ndev) kfree(nt); } -static void ntb_rx_copy_callback(void *data) +static void ntb_complete_rxc(struct ntb_transport_qp *qp) { - struct ntb_queue_entry *entry = data; - struct ntb_transport_qp *qp = entry->qp; - void *cb_data = entry->cb_data; - unsigned int len = entry->len; - struct ntb_payload_header *hdr = entry->rx_hdr; + struct ntb_queue_entry *entry; + void *cb_data; + unsigned int len; + unsigned long irqflags; + + spin_lock_irqsave(&qp->ntb_rx_q_lock, irqflags); + + while (!list_empty(&qp->rx_post_q)) { + entry = list_first_entry(&qp->rx_post_q, + struct ntb_queue_entry, entry); + if (!(entry->flags & DESC_DONE_FLAG)) + break; + + entry->rx_hdr->flags = 0; + iowrite32(entry->index, &qp->rx_info->entry); - hdr->flags = 0; + cb_data = entry->cb_data; + len = entry->len; - iowrite32(entry->index, &qp->rx_info->entry); + list_move_tail(&entry->entry, &qp->rx_free_q); - ntb_list_add(&qp->ntb_rx_free_q_lock, &entry->entry, &qp->rx_free_q); + spin_unlock_irqrestore(&qp->ntb_rx_q_lock, irqflags); - if (qp->rx_handler && qp->client_ready) - qp->rx_handler(qp, qp->cb_data, cb_data, len); + if (qp->rx_handler && qp->client_ready) + qp->rx_handler(qp, qp->cb_data, cb_data, len); + + spin_lock_irqsave(&qp->ntb_rx_q_lock, irqflags); + } + + spin_unlock_irqrestore(&qp->ntb_rx_q_lock, irqflags); +} + +static void ntb_rx_copy_callback(void *data) +{ + struct ntb_queue_entry *entry = data; + + entry->flags |= DESC_DONE_FLAG; + + ntb_complete_rxc(entry->qp); } static void ntb_memcpy_rx(struct ntb_queue_entry *entry, void *offset) @@ -1138,19 +1202,18 @@ static void ntb_memcpy_rx(struct ntb_queue_entry *entry, void *offset) ntb_rx_copy_callback(entry); } -static void ntb_async_rx(struct ntb_queue_entry *entry, void *offset, - size_t len) +static void ntb_async_rx(struct ntb_queue_entry *entry, void *offset) { struct dma_async_tx_descriptor *txd; struct ntb_transport_qp *qp = entry->qp; struct dma_chan *chan = qp->dma_chan; struct dma_device *device; - size_t pay_off, buff_off; + size_t pay_off, buff_off, len; struct dmaengine_unmap_data *unmap; dma_cookie_t cookie; void *buf = entry->buf; - entry->len = len; + len = entry->len; if (!chan) goto err; @@ -1226,7 +1289,6 @@ static int ntb_process_rxc(struct ntb_transport_qp *qp) struct ntb_payload_header *hdr; struct ntb_queue_entry *entry; void *offset; - int rc; offset = qp->rx_buff + qp->rx_max_frame * qp->rx_index; hdr = offset + qp->rx_max_frame - sizeof(struct ntb_payload_header); @@ -1255,65 +1317,43 @@ static int ntb_process_rxc(struct ntb_transport_qp *qp) return -EIO; } - entry = ntb_list_rm(&qp->ntb_rx_pend_q_lock, &qp->rx_pend_q); + entry = ntb_list_mv(&qp->ntb_rx_q_lock, &qp->rx_pend_q, &qp->rx_post_q); if (!entry) { dev_dbg(&qp->ndev->pdev->dev, "no receive buffer\n"); qp->rx_err_no_buf++; - - rc = -ENOMEM; - goto err; + return -EAGAIN; } + entry->rx_hdr = hdr; + entry->index = qp->rx_index; + if (hdr->len > entry->len) { dev_dbg(&qp->ndev->pdev->dev, "receive buffer overflow! Wanted %d got %d\n", hdr->len, entry->len); qp->rx_err_oflow++; - rc = -EIO; - goto err; - } + entry->len = -EIO; + entry->flags |= DESC_DONE_FLAG; - dev_dbg(&qp->ndev->pdev->dev, - "RX OK index %u ver %u size %d into buf size %d\n", - qp->rx_index, hdr->ver, hdr->len, entry->len); + ntb_complete_rxc(qp); + } else { + dev_dbg(&qp->ndev->pdev->dev, + "RX OK index %u ver %u size %d into buf size %d\n", + qp->rx_index, hdr->ver, hdr->len, entry->len); - qp->rx_bytes += hdr->len; - qp->rx_pkts++; + qp->rx_bytes += hdr->len; + qp->rx_pkts++; - entry->index = qp->rx_index; - entry->rx_hdr = hdr; + entry->len = hdr->len; - ntb_async_rx(entry, offset, hdr->len); + ntb_async_rx(entry, offset); + } qp->rx_index++; qp->rx_index %= qp->rx_max_entry; return 0; - -err: - /* FIXME: if this syncrhonous update of the rx_index gets ahead of - * asyncrhonous ntb_rx_copy_callback of previous entry, there are three - * scenarios: - * - * 1) The peer might miss this update, but observe the update - * from the memcpy completion callback. In this case, the buffer will - * not be freed on the peer to be reused for a different packet. The - * successful rx of a later packet would clear the condition, but the - * condition could persist if several rx fail in a row. - * - * 2) The peer may observe this update before the asyncrhonous copy of - * prior packets is completed. The peer may overwrite the buffers of - * the prior packets before they are copied. - * - * 3) Both: the peer may observe the update, and then observe the index - * decrement by the asynchronous completion callback. Who knows what - * badness that will cause. - */ - hdr->flags = 0; - iowrite32(qp->rx_index, &qp->rx_info->entry); - - return rc; } static void ntb_transport_rxc_db(unsigned long data) @@ -1333,7 +1373,7 @@ static void ntb_transport_rxc_db(unsigned long data) break; } - if (qp->dma_chan) + if (i && qp->dma_chan) dma_async_issue_pending(qp->dma_chan); if (i == qp->rx_max_entry) { @@ -1609,7 +1649,7 @@ ntb_transport_create_queue(void *data, struct device *client_dev, goto err1; entry->qp = qp; - ntb_list_add(&qp->ntb_rx_free_q_lock, &entry->entry, + ntb_list_add(&qp->ntb_rx_q_lock, &entry->entry, &qp->rx_free_q); } @@ -1634,7 +1674,7 @@ err2: while ((entry = ntb_list_rm(&qp->ntb_tx_free_q_lock, &qp->tx_free_q))) kfree(entry); err1: - while ((entry = ntb_list_rm(&qp->ntb_rx_free_q_lock, &qp->rx_free_q))) + while ((entry = ntb_list_rm(&qp->ntb_rx_q_lock, &qp->rx_free_q))) kfree(entry); if (qp->dma_chan) dma_release_channel(qp->dma_chan); @@ -1652,7 +1692,6 @@ EXPORT_SYMBOL_GPL(ntb_transport_create_queue); */ void ntb_transport_free_queue(struct ntb_transport_qp *qp) { - struct ntb_transport_ctx *nt = qp->transport; struct pci_dev *pdev; struct ntb_queue_entry *entry; u64 qp_bit; @@ -1689,18 +1728,23 @@ void ntb_transport_free_queue(struct ntb_transport_qp *qp) qp->tx_handler = NULL; qp->event_handler = NULL; - while ((entry = ntb_list_rm(&qp->ntb_rx_free_q_lock, &qp->rx_free_q))) + while ((entry = ntb_list_rm(&qp->ntb_rx_q_lock, &qp->rx_free_q))) kfree(entry); - while ((entry = ntb_list_rm(&qp->ntb_rx_pend_q_lock, &qp->rx_pend_q))) { - dev_warn(&pdev->dev, "Freeing item from a non-empty queue\n"); + while ((entry = ntb_list_rm(&qp->ntb_rx_q_lock, &qp->rx_pend_q))) { + dev_warn(&pdev->dev, "Freeing item from non-empty rx_pend_q\n"); + kfree(entry); + } + + while ((entry = ntb_list_rm(&qp->ntb_rx_q_lock, &qp->rx_post_q))) { + dev_warn(&pdev->dev, "Freeing item from non-empty rx_post_q\n"); kfree(entry); } while ((entry = ntb_list_rm(&qp->ntb_tx_free_q_lock, &qp->tx_free_q))) kfree(entry); - nt->qp_bitmap_free |= qp_bit; + qp->transport->qp_bitmap_free |= qp_bit; dev_info(&pdev->dev, "NTB Transport QP %d freed\n", qp->qp_num); } @@ -1724,14 +1768,14 @@ void *ntb_transport_rx_remove(struct ntb_transport_qp *qp, unsigned int *len) if (!qp || qp->client_ready) return NULL; - entry = ntb_list_rm(&qp->ntb_rx_pend_q_lock, &qp->rx_pend_q); + entry = ntb_list_rm(&qp->ntb_rx_q_lock, &qp->rx_pend_q); if (!entry) return NULL; buf = entry->cb_data; *len = entry->len; - ntb_list_add(&qp->ntb_rx_free_q_lock, &entry->entry, &qp->rx_free_q); + ntb_list_add(&qp->ntb_rx_q_lock, &entry->entry, &qp->rx_free_q); return buf; } @@ -1757,15 +1801,18 @@ int ntb_transport_rx_enqueue(struct ntb_transport_qp *qp, void *cb, void *data, if (!qp) return -EINVAL; - entry = ntb_list_rm(&qp->ntb_rx_free_q_lock, &qp->rx_free_q); + entry = ntb_list_rm(&qp->ntb_rx_q_lock, &qp->rx_free_q); if (!entry) return -ENOMEM; entry->cb_data = cb; entry->buf = data; entry->len = len; + entry->flags = 0; + + ntb_list_add(&qp->ntb_rx_q_lock, &entry->entry, &qp->rx_pend_q); - ntb_list_add(&qp->ntb_rx_pend_q_lock, &entry->entry, &qp->rx_pend_q); + tasklet_schedule(&qp->rxc_db_work); return 0; } diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index 8eb22c0ca7ce..7e2c43f701bc 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -535,8 +535,6 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm, __func__, dimm_name, cmd_name, i); return -ENXIO; } - if (!access_ok(VERIFY_READ, p + in_len, in_size)) - return -EFAULT; if (in_len < sizeof(in_env)) copy = min_t(u32, sizeof(in_env) - in_len, in_size); else @@ -557,8 +555,6 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm, __func__, dimm_name, cmd_name, i); return -EFAULT; } - if (!access_ok(VERIFY_WRITE, p + in_len + out_len, out_size)) - return -EFAULT; if (out_len < sizeof(out_env)) copy = min_t(u32, sizeof(out_env) - out_len, out_size); else @@ -570,9 +566,6 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm, } buf_len = out_len + in_len; - if (!access_ok(VERIFY_WRITE, p, sizeof(buf_len))) - return -EFAULT; - if (buf_len > ND_IOCTL_MAX_BUFLEN) { dev_dbg(dev, "%s:%s cmd: %s buf_len: %zu > %d\n", __func__, dimm_name, cmd_name, buf_len, @@ -706,8 +699,10 @@ int __init nvdimm_bus_init(void) nvdimm_major = rc; nd_class = class_create(THIS_MODULE, "nd"); - if (IS_ERR(nd_class)) + if (IS_ERR(nd_class)) { + rc = PTR_ERR(nd_class); goto err_class; + } return 0; diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c index a5233422f9dc..7384455792bf 100644 --- a/drivers/nvdimm/region_devs.c +++ b/drivers/nvdimm/region_devs.c @@ -458,10 +458,15 @@ static void nd_region_notify_driver_action(struct nvdimm_bus *nvdimm_bus, nvdimm_bus_unlock(dev); } if (is_nd_btt(dev) && probe) { + struct nd_btt *nd_btt = to_nd_btt(dev); + nd_region = to_nd_region(dev->parent); nvdimm_bus_lock(dev); if (nd_region->btt_seed == dev) nd_region_create_btt_seed(nd_region); + if (nd_region->ns_seed == &nd_btt->ndns->dev && + is_nd_blk(dev->parent)) + nd_region_create_blk_seed(nd_region); nvdimm_bus_unlock(dev); } } diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig index 8df1b1777745..59bb8556e43a 100644 --- a/drivers/of/Kconfig +++ b/drivers/of/Kconfig @@ -47,7 +47,7 @@ config OF_DYNAMIC config OF_ADDRESS def_bool y - depends on !SPARC + depends on !SPARC && HAS_IOMEM select OF_ADDRESS_PCI if PCI config OF_ADDRESS_PCI diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index 18016341d5a9..9f71770b6226 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -979,7 +979,6 @@ static struct platform_driver unittest_driver = { .remove = unittest_remove, .driver = { .name = "unittest", - .owner = THIS_MODULE, .of_match_table = of_match_ptr(unittest_match), }, }; @@ -1666,7 +1665,6 @@ static const struct i2c_device_id unittest_i2c_dev_id[] = { static struct i2c_driver unittest_i2c_dev_driver = { .driver = { .name = "unittest-i2c-dev", - .owner = THIS_MODULE, }, .probe = unittest_i2c_dev_probe, .remove = unittest_i2c_dev_remove, @@ -1761,7 +1759,6 @@ static const struct i2c_device_id unittest_i2c_mux_id[] = { static struct i2c_driver unittest_i2c_mux_driver = { .driver = { .name = "unittest-i2c-mux", - .owner = THIS_MODULE, }, .probe = unittest_i2c_mux_probe, .remove = unittest_i2c_mux_remove, diff --git a/drivers/parport/share.c b/drivers/parport/share.c index 8067f54ce050..5ce5ef211bdb 100644 --- a/drivers/parport/share.c +++ b/drivers/parport/share.c @@ -891,8 +891,10 @@ parport_register_dev_model(struct parport *port, const char *name, par_dev->dev.release = free_pardevice; par_dev->devmodel = true; ret = device_register(&par_dev->dev); - if (ret) - goto err_put_dev; + if (ret) { + put_device(&par_dev->dev); + goto err_put_port; + } /* Chain this onto the list */ par_dev->prev = NULL; @@ -907,7 +909,8 @@ parport_register_dev_model(struct parport *port, const char *name, spin_unlock(&port->physport->pardevice_lock); pr_debug("%s: cannot grant exclusive access for device %s\n", port->name, name); - goto err_put_dev; + device_unregister(&par_dev->dev); + goto err_put_port; } port->flags |= PARPORT_FLAG_EXCL; } @@ -938,8 +941,6 @@ parport_register_dev_model(struct parport *port, const char *name, return par_dev; -err_put_dev: - put_device(&par_dev->dev); err_free_devname: kfree(devname); err_free_par_dev: diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 73de4efcbe6e..944f50015ed0 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -2,7 +2,7 @@ # PCI configuration # config PCI_BUS_ADDR_T_64BIT - def_bool y if (ARCH_DMA_ADDR_T_64BIT || 64BIT) + def_bool y if (ARCH_DMA_ADDR_T_64BIT || (64BIT && !PARISC)) depends on PCI config PCI_MSI diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index cefd636681b6..b978bbfe044c 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -997,7 +997,12 @@ void set_pcie_port_type(struct pci_dev *pdev) else if (type == PCI_EXP_TYPE_UPSTREAM || type == PCI_EXP_TYPE_DOWNSTREAM) { parent = pci_upstream_bridge(pdev); - if (!parent->has_secondary_link) + + /* + * Usually there's an upstream device (Root Port or Switch + * Downstream Port), but we can't assume one exists. + */ + if (parent && !parent->has_secondary_link) pdev->has_secondary_link = 1; } } diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index c0e6ede3e27d..6b8dd162f644 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -56,6 +56,7 @@ config PHY_EXYNOS_MIPI_VIDEO config PHY_PXA_28NM_HSIC tristate "Marvell USB HSIC 28nm PHY Driver" + depends on HAS_IOMEM select GENERIC_PHY help Enable this to support Marvell USB HSIC PHY driver for Marvell @@ -66,6 +67,7 @@ config PHY_PXA_28NM_HSIC config PHY_PXA_28NM_USB2 tristate "Marvell USB 2.0 28nm PHY Driver" + depends on HAS_IOMEM select GENERIC_PHY help Enable this to support Marvell USB 2.0 PHY driver for Marvell diff --git a/drivers/phy/phy-berlin-usb.c b/drivers/phy/phy-berlin-usb.c index c6fc95b53083..335e06d66ed9 100644 --- a/drivers/phy/phy-berlin-usb.c +++ b/drivers/phy/phy-berlin-usb.c @@ -105,9 +105,9 @@ static const u32 phy_berlin_pll_dividers[] = { /* Berlin 2 */ - CLK_REF_DIV(0xc) | FEEDBACK_CLK_DIV(0x54), - /* Berlin 2CD */ CLK_REF_DIV(0x6) | FEEDBACK_CLK_DIV(0x55), + /* Berlin 2CD/Q */ + CLK_REF_DIV(0xc) | FEEDBACK_CLK_DIV(0x54), }; struct phy_berlin_usb_priv { diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c index e17c539e4f6f..2dad7e820ff0 100644 --- a/drivers/phy/phy-sun4i-usb.c +++ b/drivers/phy/phy-sun4i-usb.c @@ -212,6 +212,7 @@ void sun4i_usb_phy_set_squelch_detect(struct phy *_phy, bool enabled) sun4i_usb_phy_write(phy, PHY_SQUELCH_DETECT, enabled ? 0 : 2, 2); } +EXPORT_SYMBOL_GPL(sun4i_usb_phy_set_squelch_detect); static struct phy_ops sun4i_usb_phy_ops = { .init = sun4i_usb_phy_init, diff --git a/drivers/phy/phy-ti-pipe3.c b/drivers/phy/phy-ti-pipe3.c index 53f295c1bab1..08020dc2c7c8 100644 --- a/drivers/phy/phy-ti-pipe3.c +++ b/drivers/phy/phy-ti-pipe3.c @@ -28,7 +28,8 @@ #include <linux/delay.h> #include <linux/phy/omap_control_phy.h> #include <linux/of_platform.h> -#include <linux/spinlock.h> +#include <linux/mfd/syscon.h> +#include <linux/regmap.h> #define PLL_STATUS 0x00000004 #define PLL_GO 0x00000008 @@ -53,6 +54,8 @@ #define PLL_LOCK 0x2 #define PLL_IDLE 0x1 +#define SATA_PLL_SOFT_RESET BIT(18) + /* * This is an Empirical value that works, need to confirm the actual * value required for the PIPE3PHY_PLL_CONFIGURATION2.PLL_IDLE status @@ -83,10 +86,9 @@ struct ti_pipe3 { struct clk *refclk; struct clk *div_clk; struct pipe3_dpll_map *dpll_map; - bool enabled; - spinlock_t lock; /* serialize clock enable/disable */ - /* the below flag is needed specifically for SATA */ - bool refclk_enabled; + struct regmap *dpll_reset_syscon; /* ctrl. reg. acces */ + unsigned int dpll_reset_reg; /* reg. index within syscon */ + bool sata_refclk_enabled; }; static struct pipe3_dpll_map dpll_map_usb[] = { @@ -137,6 +139,9 @@ static struct pipe3_dpll_params *ti_pipe3_get_dpll_params(struct ti_pipe3 *phy) return NULL; } +static int ti_pipe3_enable_clocks(struct ti_pipe3 *phy); +static void ti_pipe3_disable_clocks(struct ti_pipe3 *phy); + static int ti_pipe3_power_off(struct phy *x) { struct ti_pipe3 *phy = phy_get_drvdata(x); @@ -217,6 +222,7 @@ static int ti_pipe3_init(struct phy *x) u32 val; int ret = 0; + ti_pipe3_enable_clocks(phy); /* * Set pcie_pcs register to 0x96 for proper functioning of phy * as recommended in AM572x TRM SPRUHZ6, section 18.5.2.2, table @@ -250,33 +256,46 @@ static int ti_pipe3_exit(struct phy *x) u32 val; unsigned long timeout; - /* SATA DPLL can't be powered down due to Errata i783 and PCIe - * does not have internal DPLL + /* If dpll_reset_syscon is not present we wont power down SATA DPLL + * due to Errata i783 */ - if (of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-sata") || - of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-pcie")) + if (of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-sata") && + !phy->dpll_reset_syscon) return 0; - /* Put DPLL in IDLE mode */ - val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_CONFIGURATION2); - val |= PLL_IDLE; - ti_pipe3_writel(phy->pll_ctrl_base, PLL_CONFIGURATION2, val); + /* PCIe doesn't have internal DPLL */ + if (!of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-pcie")) { + /* Put DPLL in IDLE mode */ + val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_CONFIGURATION2); + val |= PLL_IDLE; + ti_pipe3_writel(phy->pll_ctrl_base, PLL_CONFIGURATION2, val); - /* wait for LDO and Oscillator to power down */ - timeout = jiffies + msecs_to_jiffies(PLL_IDLE_TIME); - do { - cpu_relax(); - val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_STATUS); - if ((val & PLL_TICOPWDN) && (val & PLL_LDOPWDN)) - break; - } while (!time_after(jiffies, timeout)); + /* wait for LDO and Oscillator to power down */ + timeout = jiffies + msecs_to_jiffies(PLL_IDLE_TIME); + do { + cpu_relax(); + val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_STATUS); + if ((val & PLL_TICOPWDN) && (val & PLL_LDOPWDN)) + break; + } while (!time_after(jiffies, timeout)); + + if (!(val & PLL_TICOPWDN) || !(val & PLL_LDOPWDN)) { + dev_err(phy->dev, "Failed to power down: PLL_STATUS 0x%x\n", + val); + return -EBUSY; + } + } - if (!(val & PLL_TICOPWDN) || !(val & PLL_LDOPWDN)) { - dev_err(phy->dev, "Failed to power down: PLL_STATUS 0x%x\n", - val); - return -EBUSY; + /* i783: SATA needs control bit toggle after PLL unlock */ + if (of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-sata")) { + regmap_update_bits(phy->dpll_reset_syscon, phy->dpll_reset_reg, + SATA_PLL_SOFT_RESET, SATA_PLL_SOFT_RESET); + regmap_update_bits(phy->dpll_reset_syscon, phy->dpll_reset_reg, + SATA_PLL_SOFT_RESET, 0); } + ti_pipe3_disable_clocks(phy); + return 0; } static struct phy_ops ops = { @@ -306,7 +325,6 @@ static int ti_pipe3_probe(struct platform_device *pdev) return -ENOMEM; phy->dev = &pdev->dev; - spin_lock_init(&phy->lock); if (!of_device_is_compatible(node, "ti,phy-pipe3-pcie")) { match = of_match_device(ti_pipe3_id_table, &pdev->dev); @@ -350,6 +368,21 @@ static int ti_pipe3_probe(struct platform_device *pdev) } } else { phy->wkupclk = ERR_PTR(-ENODEV); + phy->dpll_reset_syscon = syscon_regmap_lookup_by_phandle(node, + "syscon-pllreset"); + if (IS_ERR(phy->dpll_reset_syscon)) { + dev_info(&pdev->dev, + "can't get syscon-pllreset, sata dpll won't idle\n"); + phy->dpll_reset_syscon = NULL; + } else { + if (of_property_read_u32_index(node, + "syscon-pllreset", 1, + &phy->dpll_reset_reg)) { + dev_err(&pdev->dev, + "couldn't get pllreset reg. offset\n"); + return -EINVAL; + } + } } if (of_device_is_compatible(node, "ti,phy-pipe3-pcie")) { @@ -403,6 +436,16 @@ static int ti_pipe3_probe(struct platform_device *pdev) platform_set_drvdata(pdev, phy); pm_runtime_enable(phy->dev); + /* + * Prevent auto-disable of refclk for SATA PHY due to Errata i783 + */ + if (of_device_is_compatible(node, "ti,phy-pipe3-sata")) { + if (!IS_ERR(phy->refclk)) { + clk_prepare_enable(phy->refclk); + phy->sata_refclk_enabled = true; + } + } + generic_phy = devm_phy_create(phy->dev, NULL, &ops); if (IS_ERR(generic_phy)) return PTR_ERR(generic_phy); @@ -413,63 +456,33 @@ static int ti_pipe3_probe(struct platform_device *pdev) if (IS_ERR(phy_provider)) return PTR_ERR(phy_provider); - pm_runtime_get(&pdev->dev); - return 0; } static int ti_pipe3_remove(struct platform_device *pdev) { - if (!pm_runtime_suspended(&pdev->dev)) - pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); return 0; } -#ifdef CONFIG_PM -static int ti_pipe3_enable_refclk(struct ti_pipe3 *phy) +static int ti_pipe3_enable_clocks(struct ti_pipe3 *phy) { - if (!IS_ERR(phy->refclk) && !phy->refclk_enabled) { - int ret; + int ret = 0; + if (!IS_ERR(phy->refclk)) { ret = clk_prepare_enable(phy->refclk); if (ret) { dev_err(phy->dev, "Failed to enable refclk %d\n", ret); return ret; } - phy->refclk_enabled = true; } - return 0; -} - -static void ti_pipe3_disable_refclk(struct ti_pipe3 *phy) -{ - if (!IS_ERR(phy->refclk)) - clk_disable_unprepare(phy->refclk); - - phy->refclk_enabled = false; -} - -static int ti_pipe3_enable_clocks(struct ti_pipe3 *phy) -{ - int ret = 0; - unsigned long flags; - - spin_lock_irqsave(&phy->lock, flags); - if (phy->enabled) - goto err1; - - ret = ti_pipe3_enable_refclk(phy); - if (ret) - goto err1; - if (!IS_ERR(phy->wkupclk)) { ret = clk_prepare_enable(phy->wkupclk); if (ret) { dev_err(phy->dev, "Failed to enable wkupclk %d\n", ret); - goto err2; + goto disable_refclk; } } @@ -477,96 +490,43 @@ static int ti_pipe3_enable_clocks(struct ti_pipe3 *phy) ret = clk_prepare_enable(phy->div_clk); if (ret) { dev_err(phy->dev, "Failed to enable div_clk %d\n", ret); - goto err3; + goto disable_wkupclk; } } - phy->enabled = true; - spin_unlock_irqrestore(&phy->lock, flags); return 0; -err3: +disable_wkupclk: if (!IS_ERR(phy->wkupclk)) clk_disable_unprepare(phy->wkupclk); -err2: +disable_refclk: if (!IS_ERR(phy->refclk)) clk_disable_unprepare(phy->refclk); - ti_pipe3_disable_refclk(phy); -err1: - spin_unlock_irqrestore(&phy->lock, flags); return ret; } static void ti_pipe3_disable_clocks(struct ti_pipe3 *phy) { - unsigned long flags; - - spin_lock_irqsave(&phy->lock, flags); - if (!phy->enabled) { - spin_unlock_irqrestore(&phy->lock, flags); - return; - } - if (!IS_ERR(phy->wkupclk)) clk_disable_unprepare(phy->wkupclk); - /* Don't disable refclk for SATA PHY due to Errata i783 */ - if (!of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-sata")) - ti_pipe3_disable_refclk(phy); + if (!IS_ERR(phy->refclk)) { + clk_disable_unprepare(phy->refclk); + /* + * SATA refclk needs an additional disable as we left it + * on in probe to avoid Errata i783 + */ + if (phy->sata_refclk_enabled) { + clk_disable_unprepare(phy->refclk); + phy->sata_refclk_enabled = false; + } + } + if (!IS_ERR(phy->div_clk)) clk_disable_unprepare(phy->div_clk); - phy->enabled = false; - spin_unlock_irqrestore(&phy->lock, flags); } -static int ti_pipe3_runtime_suspend(struct device *dev) -{ - struct ti_pipe3 *phy = dev_get_drvdata(dev); - - ti_pipe3_disable_clocks(phy); - return 0; -} - -static int ti_pipe3_runtime_resume(struct device *dev) -{ - struct ti_pipe3 *phy = dev_get_drvdata(dev); - int ret = 0; - - ret = ti_pipe3_enable_clocks(phy); - return ret; -} - -static int ti_pipe3_suspend(struct device *dev) -{ - struct ti_pipe3 *phy = dev_get_drvdata(dev); - - ti_pipe3_disable_clocks(phy); - return 0; -} - -static int ti_pipe3_resume(struct device *dev) -{ - struct ti_pipe3 *phy = dev_get_drvdata(dev); - int ret; - - ret = ti_pipe3_enable_clocks(phy); - if (ret) - return ret; - - pm_runtime_disable(dev); - pm_runtime_set_active(dev); - pm_runtime_enable(dev); - return 0; -} -#endif - -static const struct dev_pm_ops ti_pipe3_pm_ops = { - SET_RUNTIME_PM_OPS(ti_pipe3_runtime_suspend, - ti_pipe3_runtime_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(ti_pipe3_suspend, ti_pipe3_resume) -}; - static const struct of_device_id ti_pipe3_id_table[] = { { .compatible = "ti,phy-usb3", @@ -592,7 +552,6 @@ static struct platform_driver ti_pipe3_driver = { .remove = ti_pipe3_remove, .driver = { .name = "ti-pipe3", - .pm = &ti_pipe3_pm_ops, .of_match_table = ti_pipe3_id_table, }, }; diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index efcf2a2b3975..6177315ab74e 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -473,6 +473,8 @@ static void bcm2835_gpio_irq_disable(struct irq_data *data) spin_lock_irqsave(&pc->irq_lock[bank], flags); bcm2835_gpio_irq_config(pc, gpio, false); + /* Clear events that were latched prior to clearing event sources */ + bcm2835_gpio_set_bit(pc, GPEDS0, gpio); clear_bit(offset, &pc->enabled_irq_map[bank]); spin_unlock_irqrestore(&pc->irq_lock[bank], flags); } diff --git a/drivers/pinctrl/freescale/pinctrl-imx1-core.c b/drivers/pinctrl/freescale/pinctrl-imx1-core.c index 5fd4437cee15..88a7fac11bd4 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx1-core.c +++ b/drivers/pinctrl/freescale/pinctrl-imx1-core.c @@ -403,14 +403,13 @@ static int imx1_pinconf_set(struct pinctrl_dev *pctldev, unsigned num_configs) { struct imx1_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev); - const struct imx1_pinctrl_soc_info *info = ipctl->info; int i; for (i = 0; i != num_configs; ++i) { imx1_write_bit(ipctl, pin_id, configs[i] & 0x01, MX1_PUEN); dev_dbg(ipctl->dev, "pinconf set pullup pin %s\n", - info->pins[pin_id].name); + pin_desc_get(pctldev, pin_id)->name); } return 0; diff --git a/drivers/pinctrl/nomadik/pinctrl-abx500.c b/drivers/pinctrl/nomadik/pinctrl-abx500.c index 557d0f2a3031..97681fac082e 100644 --- a/drivers/pinctrl/nomadik/pinctrl-abx500.c +++ b/drivers/pinctrl/nomadik/pinctrl-abx500.c @@ -787,7 +787,6 @@ static const struct pinmux_ops abx500_pinmux_ops = { .set_mux = abx500_pmx_set, .gpio_request_enable = abx500_gpio_request_enable, .gpio_disable_free = abx500_gpio_disable_free, - .strict = true, }; static int abx500_get_groups_cnt(struct pinctrl_dev *pctldev) diff --git a/drivers/pinctrl/pinctrl-lpc18xx.c b/drivers/pinctrl/pinctrl-lpc18xx.c index ef0b697639a7..347c763a6a78 100644 --- a/drivers/pinctrl/pinctrl-lpc18xx.c +++ b/drivers/pinctrl/pinctrl-lpc18xx.c @@ -823,7 +823,7 @@ static int lpc18xx_pconf_set_i2c0(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_INPUT_SCHMITT_ENABLE: - if (param) + if (param_val) *reg &= ~(LPC18XX_SCU_I2C0_ZIF << shift); else *reg |= (LPC18XX_SCU_I2C0_ZIF << shift); @@ -876,7 +876,7 @@ static int lpc18xx_pconf_set_pin(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_INPUT_SCHMITT_ENABLE: - if (param) + if (param_val) *reg &= ~LPC18XX_SCU_PIN_ZIF; else *reg |= LPC18XX_SCU_PIN_ZIF; diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index b2de09d3b1a0..0b8d480171a3 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1760,7 +1760,8 @@ static int pcs_irq_init_chained_handler(struct pcs_device *pcs, int res; res = request_irq(pcs_soc->irq, pcs_irq_handler, - IRQF_SHARED | IRQF_NO_SUSPEND, + IRQF_SHARED | IRQF_NO_SUSPEND | + IRQF_NO_THREAD, name, pcs_soc); if (res) { pcs_soc->irq = -1; diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index 3dd5a3b2ac62..c760bf43d116 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -33,11 +33,6 @@ #include "../core.h" #include "pinctrl-samsung.h" -#define GROUP_SUFFIX "-grp" -#define GSUFFIX_LEN sizeof(GROUP_SUFFIX) -#define FUNCTION_SUFFIX "-mux" -#define FSUFFIX_LEN sizeof(FUNCTION_SUFFIX) - /* list of all possible config options supported */ static struct pin_config { const char *property; diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h index c7508d5f6886..0874cfee6889 100644 --- a/drivers/pinctrl/sh-pfc/sh_pfc.h +++ b/drivers/pinctrl/sh-pfc/sh_pfc.h @@ -224,7 +224,7 @@ struct sh_pfc_soc_info { /* PINMUX_GPIO_GP_ALL - Expand to a list of sh_pfc_pin entries */ #define _GP_GPIO(bank, _pin, _name, sfx) \ - [(bank * 32) + _pin] = { \ + { \ .pin = (bank * 32) + _pin, \ .name = __stringify(_name), \ .enum_id = _name##_DATA, \ diff --git a/drivers/pinctrl/spear/pinctrl-spear.c b/drivers/pinctrl/spear/pinctrl-spear.c index f87a5eaf75da..0afaf79a4e51 100644 --- a/drivers/pinctrl/spear/pinctrl-spear.c +++ b/drivers/pinctrl/spear/pinctrl-spear.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * Inspired from: * - U300 Pinctl drivers diff --git a/drivers/pinctrl/spear/pinctrl-spear.h b/drivers/pinctrl/spear/pinctrl-spear.h index dc8bf85ecb2a..27c2cc8d83ad 100644 --- a/drivers/pinctrl/spear/pinctrl-spear.h +++ b/drivers/pinctrl/spear/pinctrl-spear.h @@ -2,7 +2,7 @@ * Driver header file for the ST Microelectronics SPEAr pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/pinctrl/spear/pinctrl-spear1310.c b/drivers/pinctrl/spear/pinctrl-spear1310.c index a7bdc537efa7..92611bb757ac 100644 --- a/drivers/pinctrl/spear/pinctrl-spear1310.c +++ b/drivers/pinctrl/spear/pinctrl-spear1310.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr1310 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -2730,7 +2730,7 @@ static void __exit spear1310_pinctrl_exit(void) } module_exit(spear1310_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr1310 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear1310_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear1340.c b/drivers/pinctrl/spear/pinctrl-spear1340.c index f43ec85a0328..f842e9dc40d0 100644 --- a/drivers/pinctrl/spear/pinctrl-spear1340.c +++ b/drivers/pinctrl/spear/pinctrl-spear1340.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr1340 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -2046,7 +2046,7 @@ static void __exit spear1340_pinctrl_exit(void) } module_exit(spear1340_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr1340 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear1340_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear300.c b/drivers/pinctrl/spear/pinctrl-spear300.c index da8990a8eeef..d998a2ccff48 100644 --- a/drivers/pinctrl/spear/pinctrl-spear300.c +++ b/drivers/pinctrl/spear/pinctrl-spear300.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr300 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -703,7 +703,7 @@ static void __exit spear300_pinctrl_exit(void) } module_exit(spear300_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr300 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear300_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear310.c b/drivers/pinctrl/spear/pinctrl-spear310.c index 31ede51e819b..609b18aceb16 100644 --- a/drivers/pinctrl/spear/pinctrl-spear310.c +++ b/drivers/pinctrl/spear/pinctrl-spear310.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr310 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -426,7 +426,7 @@ static void __exit spear310_pinctrl_exit(void) } module_exit(spear310_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr310 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear310_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear320.c b/drivers/pinctrl/spear/pinctrl-spear320.c index 506e40b641e0..c07114431bd4 100644 --- a/drivers/pinctrl/spear/pinctrl-spear320.c +++ b/drivers/pinctrl/spear/pinctrl-spear320.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr320 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -3467,7 +3467,7 @@ static void __exit spear320_pinctrl_exit(void) } module_exit(spear320_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr320 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear320_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear3xx.c b/drivers/pinctrl/spear/pinctrl-spear3xx.c index 12ee21af766b..d3119aafe709 100644 --- a/drivers/pinctrl/spear/pinctrl-spear3xx.c +++ b/drivers/pinctrl/spear/pinctrl-spear3xx.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr3xx pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/pinctrl/spear/pinctrl-spear3xx.h b/drivers/pinctrl/spear/pinctrl-spear3xx.h index 7860b36053c4..ce19dcf8f08b 100644 --- a/drivers/pinctrl/spear/pinctrl-spear3xx.h +++ b/drivers/pinctrl/spear/pinctrl-spear3xx.h @@ -2,7 +2,7 @@ * Header file for the ST Microelectronics SPEAr3xx pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/platform/chrome/Kconfig b/drivers/platform/chrome/Kconfig index cb1329919527..3271cd1abe7c 100644 --- a/drivers/platform/chrome/Kconfig +++ b/drivers/platform/chrome/Kconfig @@ -4,7 +4,6 @@ menuconfig CHROME_PLATFORMS bool "Platform support for Chrome hardware" - depends on X86 || ARM ---help--- Say Y here to get to see options for platform support for various Chromebooks and Chromeboxes. This option alone does diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index ed317ccac4a2..aaeeae81e3a9 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -309,12 +309,15 @@ static const struct dmi_system_id dell_quirks[] __initconst = { static struct calling_interface_buffer *buffer; static DEFINE_MUTEX(buffer_mutex); -static int hwswitch_state; +static void clear_buffer(void) +{ + memset(buffer, 0, sizeof(struct calling_interface_buffer)); +} static void get_buffer(void) { mutex_lock(&buffer_mutex); - memset(buffer, 0, sizeof(struct calling_interface_buffer)); + clear_buffer(); } static void release_buffer(void) @@ -548,21 +551,41 @@ static int dell_rfkill_set(void *data, bool blocked) int disable = blocked ? 1 : 0; unsigned long radio = (unsigned long)data; int hwswitch_bit = (unsigned long)data - 1; + int hwswitch; + int status; + int ret; get_buffer(); + + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + status = buffer->output[1]; + + if (ret != 0) + goto out; + + clear_buffer(); + + buffer->input[0] = 0x2; dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + hwswitch = buffer->output[1]; /* If the hardware switch controls this radio, and the hardware switch is disabled, always disable the radio */ - if ((hwswitch_state & BIT(hwswitch_bit)) && - !(buffer->output[1] & BIT(16))) + if (ret == 0 && (hwswitch & BIT(hwswitch_bit)) && + (status & BIT(0)) && !(status & BIT(16))) disable = 1; + clear_buffer(); + buffer->input[0] = (1 | (radio<<8) | (disable << 16)); dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + out: release_buffer(); - return 0; + return dell_smi_error(ret); } /* Must be called with the buffer held */ @@ -572,6 +595,7 @@ static void dell_rfkill_update_sw_state(struct rfkill *rfkill, int radio, if (status & BIT(0)) { /* Has hw-switch, sync sw_state to BIOS */ int block = rfkill_blocked(rfkill); + clear_buffer(); buffer->input[0] = (1 | (radio << 8) | (block << 16)); dell_send_request(buffer, 17, 11); } else { @@ -581,23 +605,43 @@ static void dell_rfkill_update_sw_state(struct rfkill *rfkill, int radio, } static void dell_rfkill_update_hw_state(struct rfkill *rfkill, int radio, - int status) + int status, int hwswitch) { - if (hwswitch_state & (BIT(radio - 1))) + if (hwswitch & (BIT(radio - 1))) rfkill_set_hw_state(rfkill, !(status & BIT(16))); } static void dell_rfkill_query(struct rfkill *rfkill, void *data) { + int radio = ((unsigned long)data & 0xF); + int hwswitch; int status; + int ret; get_buffer(); + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; status = buffer->output[1]; - dell_rfkill_update_hw_state(rfkill, (unsigned long)data, status); + if (ret != 0 || !(status & BIT(0))) { + release_buffer(); + return; + } + + clear_buffer(); + + buffer->input[0] = 0x2; + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + hwswitch = buffer->output[1]; release_buffer(); + + if (ret != 0) + return; + + dell_rfkill_update_hw_state(rfkill, radio, status, hwswitch); } static const struct rfkill_ops dell_rfkill_ops = { @@ -609,13 +653,27 @@ static struct dentry *dell_laptop_dir; static int dell_debugfs_show(struct seq_file *s, void *data) { + int hwswitch_state; + int hwswitch_ret; int status; + int ret; get_buffer(); + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; status = buffer->output[1]; + + clear_buffer(); + + buffer->input[0] = 0x2; + dell_send_request(buffer, 17, 11); + hwswitch_ret = buffer->output[0]; + hwswitch_state = buffer->output[1]; + release_buffer(); + seq_printf(s, "return:\t%d\n", ret); seq_printf(s, "status:\t0x%X\n", status); seq_printf(s, "Bit 0 : Hardware switch supported: %lu\n", status & BIT(0)); @@ -657,7 +715,8 @@ static int dell_debugfs_show(struct seq_file *s, void *data) seq_printf(s, "Bit 21: WiGig is blocked: %lu\n", (status & BIT(21)) >> 21); - seq_printf(s, "\nhwswitch_state:\t0x%X\n", hwswitch_state); + seq_printf(s, "\nhwswitch_return:\t%d\n", hwswitch_ret); + seq_printf(s, "hwswitch_state:\t0x%X\n", hwswitch_state); seq_printf(s, "Bit 0 : Wifi controlled by switch: %lu\n", hwswitch_state & BIT(0)); seq_printf(s, "Bit 1 : Bluetooth controlled by switch: %lu\n", @@ -693,25 +752,43 @@ static const struct file_operations dell_debugfs_fops = { static void dell_update_rfkill(struct work_struct *ignored) { + int hwswitch = 0; int status; + int ret; get_buffer(); + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; status = buffer->output[1]; + if (ret != 0) + goto out; + + clear_buffer(); + + buffer->input[0] = 0x2; + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + + if (ret == 0 && (status & BIT(0))) + hwswitch = buffer->output[1]; + if (wifi_rfkill) { - dell_rfkill_update_hw_state(wifi_rfkill, 1, status); + dell_rfkill_update_hw_state(wifi_rfkill, 1, status, hwswitch); dell_rfkill_update_sw_state(wifi_rfkill, 1, status); } if (bluetooth_rfkill) { - dell_rfkill_update_hw_state(bluetooth_rfkill, 2, status); + dell_rfkill_update_hw_state(bluetooth_rfkill, 2, status, + hwswitch); dell_rfkill_update_sw_state(bluetooth_rfkill, 2, status); } if (wwan_rfkill) { - dell_rfkill_update_hw_state(wwan_rfkill, 3, status); + dell_rfkill_update_hw_state(wwan_rfkill, 3, status, hwswitch); dell_rfkill_update_sw_state(wwan_rfkill, 3, status); } + out: release_buffer(); } static DECLARE_DELAYED_WORK(dell_rfkill_work, dell_update_rfkill); @@ -773,21 +850,17 @@ static int __init dell_setup_rfkill(void) get_buffer(); dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; status = buffer->output[1]; - buffer->input[0] = 0x2; - dell_send_request(buffer, 17, 11); - hwswitch_state = buffer->output[1]; release_buffer(); - if (!(status & BIT(0))) { - if (force_rfkill) { - /* No hwsitch, clear all hw-controlled bits */ - hwswitch_state &= ~7; - } else { - /* rfkill is only tested on laptops with a hwswitch */ - return 0; - } - } + /* dell wireless info smbios call is not supported */ + if (ret != 0) + return 0; + + /* rfkill is only tested on laptops with a hwswitch */ + if (!(status & BIT(0)) && !force_rfkill) + return 0; if ((status & (1<<2|1<<8)) == (1<<2|1<<8)) { wifi_rfkill = rfkill_alloc("dell-wifi", &platform_device->dev, @@ -932,47 +1005,50 @@ static void dell_cleanup_rfkill(void) static int dell_send_intensity(struct backlight_device *bd) { - int ret = 0; + int token; + int ret; + + token = find_token_location(BRIGHTNESS_TOKEN); + if (token == -1) + return -ENODEV; get_buffer(); - buffer->input[0] = find_token_location(BRIGHTNESS_TOKEN); + buffer->input[0] = token; buffer->input[1] = bd->props.brightness; - if (buffer->input[0] == -1) { - ret = -ENODEV; - goto out; - } - if (power_supply_is_system_supplied() > 0) dell_send_request(buffer, 1, 2); else dell_send_request(buffer, 1, 1); - out: + ret = dell_smi_error(buffer->output[0]); + release_buffer(); return ret; } static int dell_get_intensity(struct backlight_device *bd) { - int ret = 0; + int token; + int ret; - get_buffer(); - buffer->input[0] = find_token_location(BRIGHTNESS_TOKEN); + token = find_token_location(BRIGHTNESS_TOKEN); + if (token == -1) + return -ENODEV; - if (buffer->input[0] == -1) { - ret = -ENODEV; - goto out; - } + get_buffer(); + buffer->input[0] = token; if (power_supply_is_system_supplied() > 0) dell_send_request(buffer, 0, 2); else dell_send_request(buffer, 0, 1); - ret = buffer->output[1]; + if (buffer->output[0]) + ret = dell_smi_error(buffer->output[0]); + else + ret = buffer->output[1]; - out: release_buffer(); return ret; } @@ -2036,6 +2112,7 @@ static void kbd_led_exit(void) static int __init dell_init(void) { int max_intensity = 0; + int token; int ret; if (!dmi_check_system(dell_device_table)) @@ -2094,13 +2171,15 @@ static int __init dell_init(void) if (acpi_video_get_backlight_type() != acpi_backlight_vendor) return 0; - get_buffer(); - buffer->input[0] = find_token_location(BRIGHTNESS_TOKEN); - if (buffer->input[0] != -1) { + token = find_token_location(BRIGHTNESS_TOKEN); + if (token != -1) { + get_buffer(); + buffer->input[0] = token; dell_send_request(buffer, 0, 2); - max_intensity = buffer->output[3]; + if (buffer->output[0] == 0) + max_intensity = buffer->output[3]; + release_buffer(); } - release_buffer(); if (max_intensity) { struct backlight_properties props; diff --git a/drivers/platform/x86/intel_pmc_ipc.c b/drivers/platform/x86/intel_pmc_ipc.c index d734763dab69..105cfffe82c6 100644 --- a/drivers/platform/x86/intel_pmc_ipc.c +++ b/drivers/platform/x86/intel_pmc_ipc.c @@ -96,18 +96,18 @@ static struct intel_pmc_ipc_dev { struct completion cmd_complete; /* The following PMC BARs share the same ACPI device with the IPC */ - void *acpi_io_base; + resource_size_t acpi_io_base; int acpi_io_size; struct platform_device *tco_dev; /* gcr */ - void *gcr_base; + resource_size_t gcr_base; int gcr_size; /* punit */ - void *punit_base; + resource_size_t punit_base; int punit_size; - void *punit_base2; + resource_size_t punit_base2; int punit_size2; struct platform_device *punit_dev; } ipcdev; @@ -210,10 +210,15 @@ static int intel_pmc_ipc_check_status(void) return ret; } -/* - * intel_pmc_ipc_simple_command - * @cmd: command - * @sub: sub type +/** + * intel_pmc_ipc_simple_command() - Simple IPC command + * @cmd: IPC command code. + * @sub: IPC command sub type. + * + * Send a simple IPC command to PMC when don't need to specify + * input/output data and source/dest pointers. + * + * Return: an IPC error code or 0 on success. */ int intel_pmc_ipc_simple_command(int cmd, int sub) { @@ -232,16 +237,20 @@ int intel_pmc_ipc_simple_command(int cmd, int sub) } EXPORT_SYMBOL_GPL(intel_pmc_ipc_simple_command); -/* - * intel_pmc_ipc_raw_cmd - * @cmd: command - * @sub: sub type - * @in: input data - * @inlen: input length in bytes - * @out: output data - * @outlen: output length in dwords - * @sptr: data writing to SPTR register - * @dptr: data writing to DPTR register +/** + * intel_pmc_ipc_raw_cmd() - IPC command with data and pointers + * @cmd: IPC command code. + * @sub: IPC command sub type. + * @in: input data of this IPC command. + * @inlen: input data length in bytes. + * @out: output data of this IPC command. + * @outlen: output data length in dwords. + * @sptr: data writing to SPTR register. + * @dptr: data writing to DPTR register. + * + * Send an IPC command to PMC with input/output data and source/dest pointers. + * + * Return: an IPC error code or 0 on success. */ int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, u32 outlen, u32 dptr, u32 sptr) @@ -278,14 +287,18 @@ int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, } EXPORT_SYMBOL_GPL(intel_pmc_ipc_raw_cmd); -/* - * intel_pmc_ipc_command - * @cmd: command - * @sub: sub type - * @in: input data - * @inlen: input length in bytes - * @out: output data - * @outlen: output length in dwords +/** + * intel_pmc_ipc_command() - IPC command with input/output data + * @cmd: IPC command code. + * @sub: IPC command sub type. + * @in: input data of this IPC command. + * @inlen: input data length in bytes. + * @out: output data of this IPC command. + * @outlen: output data length in dwords. + * + * Send an IPC command to PMC with input/output data. + * + * Return: an IPC error code or 0 on success. */ int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, u32 outlen) @@ -480,11 +493,11 @@ static int ipc_create_punit_device(void) pdev->dev.parent = ipcdev.dev; res = punit_res; - res->start = (resource_size_t)ipcdev.punit_base; + res->start = ipcdev.punit_base; res->end = res->start + ipcdev.punit_size - 1; res = punit_res + PUNIT_RESOURCE_INTER; - res->start = (resource_size_t)ipcdev.punit_base2; + res->start = ipcdev.punit_base2; res->end = res->start + ipcdev.punit_size2 - 1; ret = platform_device_add_resources(pdev, punit_res, @@ -522,15 +535,15 @@ static int ipc_create_tco_device(void) pdev->dev.parent = ipcdev.dev; res = tco_res + TCO_RESOURCE_ACPI_IO; - res->start = (resource_size_t)ipcdev.acpi_io_base + TCO_BASE_OFFSET; + res->start = ipcdev.acpi_io_base + TCO_BASE_OFFSET; res->end = res->start + TCO_REGS_SIZE - 1; res = tco_res + TCO_RESOURCE_SMI_EN_IO; - res->start = (resource_size_t)ipcdev.acpi_io_base + SMI_EN_OFFSET; + res->start = ipcdev.acpi_io_base + SMI_EN_OFFSET; res->end = res->start + SMI_EN_SIZE - 1; res = tco_res + TCO_RESOURCE_GCR_MEM; - res->start = (resource_size_t)ipcdev.gcr_base; + res->start = ipcdev.gcr_base; res->end = res->start + ipcdev.gcr_size - 1; ret = platform_device_add_resources(pdev, tco_res, ARRAY_SIZE(tco_res)); @@ -589,7 +602,7 @@ static int ipc_plat_get_res(struct platform_device *pdev) return -ENXIO; } size = resource_size(res); - ipcdev.acpi_io_base = (void *)res->start; + ipcdev.acpi_io_base = res->start; ipcdev.acpi_io_size = size; dev_info(&pdev->dev, "io res: %llx %x\n", (long long)res->start, (int)resource_size(res)); @@ -601,7 +614,7 @@ static int ipc_plat_get_res(struct platform_device *pdev) return -ENXIO; } size = resource_size(res); - ipcdev.punit_base = (void *)res->start; + ipcdev.punit_base = res->start; ipcdev.punit_size = size; dev_info(&pdev->dev, "punit data res: %llx %x\n", (long long)res->start, (int)resource_size(res)); @@ -613,7 +626,7 @@ static int ipc_plat_get_res(struct platform_device *pdev) return -ENXIO; } size = resource_size(res); - ipcdev.punit_base2 = (void *)res->start; + ipcdev.punit_base2 = res->start; ipcdev.punit_size2 = size; dev_info(&pdev->dev, "punit interface res: %llx %x\n", (long long)res->start, (int)resource_size(res)); @@ -637,7 +650,7 @@ static int ipc_plat_get_res(struct platform_device *pdev) } ipcdev.ipc_base = addr; - ipcdev.gcr_base = (void *)(res->start + size); + ipcdev.gcr_base = res->start + size; ipcdev.gcr_size = PLAT_RESOURCE_GCR_SIZE; dev_info(&pdev->dev, "ipc res: %llx %x\n", (long long)res->start, (int)resource_size(res)); diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c index 001b199a8c33..187d1086d15c 100644 --- a/drivers/platform/x86/intel_scu_ipc.c +++ b/drivers/platform/x86/intel_scu_ipc.c @@ -216,13 +216,13 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id) int nc; u32 offset = 0; int err; - u8 cbuf[IPC_WWBUF_SIZE] = { }; + u8 cbuf[IPC_WWBUF_SIZE]; u32 *wbuf = (u32 *)&cbuf; - mutex_lock(&ipclock); - memset(cbuf, 0, sizeof(cbuf)); + mutex_lock(&ipclock); + if (ipcdev.pdev == NULL) { mutex_unlock(&ipclock); return -ENODEV; diff --git a/drivers/pnp/system.c b/drivers/pnp/system.c index 515f33882ab8..49c1720df59a 100644 --- a/drivers/pnp/system.c +++ b/drivers/pnp/system.c @@ -7,7 +7,6 @@ * Bjorn Helgaas <bjorn.helgaas@hp.com> */ -#include <linux/acpi.h> #include <linux/pnp.h> #include <linux/device.h> #include <linux/init.h> @@ -23,41 +22,25 @@ static const struct pnp_device_id pnp_dev_table[] = { {"", 0} }; -#ifdef CONFIG_ACPI -static bool __reserve_range(u64 start, unsigned int length, bool io, char *desc) -{ - u8 space_id = io ? ACPI_ADR_SPACE_SYSTEM_IO : ACPI_ADR_SPACE_SYSTEM_MEMORY; - return !acpi_reserve_region(start, length, space_id, IORESOURCE_BUSY, desc); -} -#else -static bool __reserve_range(u64 start, unsigned int length, bool io, char *desc) -{ - struct resource *res; - - res = io ? request_region(start, length, desc) : - request_mem_region(start, length, desc); - if (res) { - res->flags &= ~IORESOURCE_BUSY; - return true; - } - return false; -} -#endif - static void reserve_range(struct pnp_dev *dev, struct resource *r, int port) { char *regionid; const char *pnpid = dev_name(&dev->dev); resource_size_t start = r->start, end = r->end; - bool reserved; + struct resource *res; regionid = kmalloc(16, GFP_KERNEL); if (!regionid) return; snprintf(regionid, 16, "pnp %s", pnpid); - reserved = __reserve_range(start, end - start + 1, !!port, regionid); - if (!reserved) + if (port) + res = request_region(start, end - start + 1, regionid); + else + res = request_mem_region(start, end - start + 1, regionid); + if (res) + res->flags &= ~IORESOURCE_BUSY; + else kfree(regionid); /* @@ -66,7 +49,7 @@ static void reserve_range(struct pnp_dev *dev, struct resource *r, int port) * have double reservations. */ dev_info(&dev->dev, "%pR %s reserved\n", r, - reserved ? "has been" : "could not be"); + res ? "has been" : "could not be"); } static void reserve_resources_of_dev(struct pnp_dev *dev) diff --git a/drivers/regulator/88pm800.c b/drivers/regulator/88pm800.c index 832932bdc977..7fd4f511d78f 100644 --- a/drivers/regulator/88pm800.c +++ b/drivers/regulator/88pm800.c @@ -130,7 +130,7 @@ struct pm800_regulators { .owner = THIS_MODULE, \ .n_voltages = ARRAY_SIZE(ldo_volt_table), \ .vsel_reg = PM800_##vreg##_VOUT, \ - .vsel_mask = 0x1f, \ + .vsel_mask = 0xf, \ .enable_reg = PM800_##ereg, \ .enable_mask = 1 << (ebit), \ .volt_table = ldo_volt_table, \ diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index c9f72019bd68..78387a6cbae5 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -109,6 +109,7 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev, static struct regulator *create_regulator(struct regulator_dev *rdev, struct device *dev, const char *supply_name); +static void _regulator_put(struct regulator *regulator); static const char *rdev_get_name(struct regulator_dev *rdev) { @@ -1105,6 +1106,9 @@ static int set_supply(struct regulator_dev *rdev, rdev_info(rdev, "supplied by %s\n", rdev_get_name(supply_rdev)); + if (!try_module_get(supply_rdev->owner)) + return -ENODEV; + rdev->supply = create_regulator(supply_rdev, &rdev->dev, "SUPPLY"); if (rdev->supply == NULL) { err = -ENOMEM; @@ -1381,9 +1385,13 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) } if (!r) { - dev_err(dev, "Failed to resolve %s-supply for %s\n", - rdev->supply_name, rdev->desc->name); - return -EPROBE_DEFER; + if (have_full_constraints()) { + r = dummy_regulator_rdev; + } else { + dev_err(dev, "Failed to resolve %s-supply for %s\n", + rdev->supply_name, rdev->desc->name); + return -EPROBE_DEFER; + } } /* Recursively resolve the supply of the supply */ @@ -1398,8 +1406,11 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) /* Cascade always-on state to supply */ if (_regulator_is_enabled(rdev)) { ret = regulator_enable(rdev->supply); - if (ret < 0) + if (ret < 0) { + if (rdev->supply) + _regulator_put(rdev->supply); return ret; + } } return 0; diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c index 6f2bdad8b4d8..e94ddcf97722 100644 --- a/drivers/regulator/max8973-regulator.c +++ b/drivers/regulator/max8973-regulator.c @@ -450,7 +450,7 @@ static struct max8973_regulator_platform_data *max8973_parse_dt( pdata->control_flags |= MAX8973_CONTROL_FREQ_SHIFT_9PER_ENABLE; if (of_property_read_bool(np, "maxim,enable-bias-control")) - pdata->control_flags |= MAX8973_BIAS_ENABLE; + pdata->control_flags |= MAX8973_CONTROL_BIAS_ENABLE; return pdata; } diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index 326ffb553371..72fc3c32db49 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c @@ -34,6 +34,8 @@ #include <linux/mfd/samsung/s2mps14.h> #include <linux/mfd/samsung/s2mpu02.h> +/* The highest number of possible regulators for supported devices. */ +#define S2MPS_REGULATOR_MAX S2MPS13_REGULATOR_MAX struct s2mps11_info { unsigned int rdev_num; int ramp_delay2; @@ -49,7 +51,7 @@ struct s2mps11_info { * One bit for each S2MPS13/S2MPS14/S2MPU02 regulator whether * the suspend mode was enabled. */ - unsigned long long s2mps14_suspend_state:50; + DECLARE_BITMAP(suspend_state, S2MPS_REGULATOR_MAX); /* Array of size rdev_num with GPIO-s for external sleep control */ int *ext_control_gpio; @@ -500,7 +502,7 @@ static int s2mps14_regulator_enable(struct regulator_dev *rdev) switch (s2mps11->dev_type) { case S2MPS13X: case S2MPS14X: - if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev))) + if (test_bit(rdev_get_id(rdev), s2mps11->suspend_state)) val = S2MPS14_ENABLE_SUSPEND; else if (gpio_is_valid(s2mps11->ext_control_gpio[rdev_get_id(rdev)])) val = S2MPS14_ENABLE_EXT_CONTROL; @@ -508,7 +510,7 @@ static int s2mps14_regulator_enable(struct regulator_dev *rdev) val = rdev->desc->enable_mask; break; case S2MPU02: - if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev))) + if (test_bit(rdev_get_id(rdev), s2mps11->suspend_state)) val = S2MPU02_ENABLE_SUSPEND; else val = rdev->desc->enable_mask; @@ -562,7 +564,7 @@ static int s2mps14_regulator_set_suspend_disable(struct regulator_dev *rdev) if (ret < 0) return ret; - s2mps11->s2mps14_suspend_state |= (1 << rdev_get_id(rdev)); + set_bit(rdev_get_id(rdev), s2mps11->suspend_state); /* * Don't enable suspend mode if regulator is already disabled because * this would effectively for a short time turn on the regulator after @@ -960,18 +962,22 @@ static int s2mps11_pmic_probe(struct platform_device *pdev) case S2MPS11X: s2mps11->rdev_num = ARRAY_SIZE(s2mps11_regulators); regulators = s2mps11_regulators; + BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num); break; case S2MPS13X: s2mps11->rdev_num = ARRAY_SIZE(s2mps13_regulators); regulators = s2mps13_regulators; + BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num); break; case S2MPS14X: s2mps11->rdev_num = ARRAY_SIZE(s2mps14_regulators); regulators = s2mps14_regulators; + BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num); break; case S2MPU02: s2mps11->rdev_num = ARRAY_SIZE(s2mpu02_regulators); regulators = s2mpu02_regulators; + BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num); break; default: dev_err(&pdev->dev, "Invalid device type: %u\n", diff --git a/drivers/rtc/rtc-armada38x.c b/drivers/rtc/rtc-armada38x.c index 4b62d1a875e4..2b08cac62f07 100644 --- a/drivers/rtc/rtc-armada38x.c +++ b/drivers/rtc/rtc-armada38x.c @@ -88,7 +88,7 @@ static int armada38x_rtc_set_time(struct device *dev, struct rtc_time *tm) { struct armada38x_rtc *rtc = dev_get_drvdata(dev); int ret = 0; - unsigned long time, flags; + unsigned long time; ret = rtc_tm_to_time(tm, &time); diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c index c0090b698ff3..eab230be5a54 100644 --- a/drivers/rtc/rtc-mt6397.c +++ b/drivers/rtc/rtc-mt6397.c @@ -343,6 +343,8 @@ static int mtk_rtc_probe(struct platform_device *pdev) goto out_dispose_irq; } + device_init_wakeup(&pdev->dev, 1); + rtc->rtc_dev = rtc_device_register("mt6397-rtc", &pdev->dev, &mtk_rtc_ops, THIS_MODULE); if (IS_ERR(rtc->rtc_dev)) { @@ -351,8 +353,6 @@ static int mtk_rtc_probe(struct platform_device *pdev) goto out_free_irq; } - device_init_wakeup(&pdev->dev, 1); - return 0; out_free_irq: diff --git a/drivers/s390/Makefile b/drivers/s390/Makefile index 95bccfd3f169..e5225ad9c5b1 100644 --- a/drivers/s390/Makefile +++ b/drivers/s390/Makefile @@ -2,7 +2,7 @@ # Makefile for the S/390 specific device drivers # -obj-y += cio/ block/ char/ crypto/ net/ scsi/ kvm/ +obj-y += cio/ block/ char/ crypto/ net/ scsi/ virtio/ drivers-y += drivers/s390/built-in.o diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 1aec8ff0b587..f73d2f579a7e 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1863,6 +1863,33 @@ static void __dasd_device_check_expire(struct dasd_device *device) } /* + * return 1 when device is not eligible for IO + */ +static int __dasd_device_is_unusable(struct dasd_device *device, + struct dasd_ccw_req *cqr) +{ + int mask = ~(DASD_STOPPED_DC_WAIT | DASD_UNRESUMED_PM); + + if (test_bit(DASD_FLAG_OFFLINE, &device->flags)) { + /* dasd is being set offline. */ + return 1; + } + if (device->stopped) { + if (device->stopped & mask) { + /* stopped and CQR will not change that. */ + return 1; + } + if (!test_bit(DASD_CQR_VERIFY_PATH, &cqr->flags)) { + /* CQR is not able to change device to + * operational. */ + return 1; + } + /* CQR required to get device operational. */ + } + return 0; +} + +/* * Take a look at the first request on the ccw queue and check * if it needs to be started. */ @@ -1876,13 +1903,8 @@ static void __dasd_device_start_head(struct dasd_device *device) cqr = list_entry(device->ccw_queue.next, struct dasd_ccw_req, devlist); if (cqr->status != DASD_CQR_QUEUED) return; - /* when device is stopped, return request to previous layer - * exception: only the disconnect or unresumed bits are set and the - * cqr is a path verification request - */ - if (device->stopped && - !(!(device->stopped & ~(DASD_STOPPED_DC_WAIT | DASD_UNRESUMED_PM)) - && test_bit(DASD_CQR_VERIFY_PATH, &cqr->flags))) { + /* if device is not usable return request to upper layer */ + if (__dasd_device_is_unusable(device, cqr)) { cqr->intrc = -EAGAIN; cqr->status = DASD_CQR_CLEARED; dasd_schedule_device_bh(device); diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c index a2597e683e79..ee3a6faae22a 100644 --- a/drivers/s390/block/dasd_alias.c +++ b/drivers/s390/block/dasd_alias.c @@ -699,7 +699,8 @@ struct dasd_device *dasd_alias_get_start_dev(struct dasd_device *base_device) struct dasd_device, alias_list); spin_unlock_irqrestore(&lcu->lock, flags); alias_priv = (struct dasd_eckd_private *) alias_device->private; - if ((alias_priv->count < private->count) && !alias_device->stopped) + if ((alias_priv->count < private->count) && !alias_device->stopped && + !test_bit(DASD_FLAG_OFFLINE, &alias_device->flags)) return alias_device; else return NULL; diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c index aeed7969fd79..7bc6df3100ef 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -7,6 +7,7 @@ #define KMSG_COMPONENT "sclp_early" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/errno.h> #include <asm/ctl_reg.h> #include <asm/sclp.h> #include <asm/ipl.h> diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 08f1830cbfc4..01bf1f5cf2e9 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -54,6 +54,10 @@ MODULE_DESCRIPTION("Cryptographic Coprocessor interface, " \ "Copyright IBM Corp. 2001, 2012"); MODULE_LICENSE("GPL"); +static int zcrypt_hwrng_seed = 1; +module_param_named(hwrng_seed, zcrypt_hwrng_seed, int, S_IRUSR|S_IRGRP); +MODULE_PARM_DESC(hwrng_seed, "Turn on/off hwrng auto seed, default is 1 (on)."); + static DEFINE_SPINLOCK(zcrypt_device_lock); static LIST_HEAD(zcrypt_device_list); static int zcrypt_device_count = 0; @@ -1373,6 +1377,7 @@ static int zcrypt_rng_data_read(struct hwrng *rng, u32 *data) static struct hwrng zcrypt_rng_dev = { .name = "zcrypt", .data_read = zcrypt_rng_data_read, + .quality = 990, }; static int zcrypt_rng_device_add(void) @@ -1387,6 +1392,8 @@ static int zcrypt_rng_device_add(void) goto out; } zcrypt_rng_buffer_index = 0; + if (!zcrypt_hwrng_seed) + zcrypt_rng_dev.quality = 0; rc = hwrng_register(&zcrypt_rng_dev); if (rc) goto out_free; diff --git a/drivers/s390/kvm/Makefile b/drivers/s390/virtio/Makefile index 241891a57caf..241891a57caf 100644 --- a/drivers/s390/kvm/Makefile +++ b/drivers/s390/virtio/Makefile diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/virtio/kvm_virtio.c index 53fb975c404b..53fb975c404b 100644 --- a/drivers/s390/kvm/kvm_virtio.c +++ b/drivers/s390/virtio/kvm_virtio.c diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c index f8d8fdb26b72..f8d8fdb26b72 100644 --- a/drivers/s390/kvm/virtio_ccw.c +++ b/drivers/s390/virtio/virtio_ccw.c diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h index 26270c351624..ce129e595b55 100644 --- a/drivers/scsi/fnic/fnic.h +++ b/drivers/scsi/fnic/fnic.h @@ -39,7 +39,7 @@ #define DRV_NAME "fnic" #define DRV_DESCRIPTION "Cisco FCoE HBA Driver" -#define DRV_VERSION "1.6.0.17" +#define DRV_VERSION "1.6.0.17a" #define PFX DRV_NAME ": " #define DFX DRV_NAME "%d: " diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c index 155b286f1a9d..25436cd2860c 100644 --- a/drivers/scsi/fnic/fnic_scsi.c +++ b/drivers/scsi/fnic/fnic_scsi.c @@ -425,6 +425,7 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc, void (*done)(struct scsi_ unsigned long ptr; struct fc_rport_priv *rdata; spinlock_t *io_lock = NULL; + int io_lock_acquired = 0; if (unlikely(fnic_chk_state_flags_locked(fnic, FNIC_FLAGS_IO_BLOCKED))) return SCSI_MLQUEUE_HOST_BUSY; @@ -518,6 +519,7 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc, void (*done)(struct scsi_ spin_lock_irqsave(io_lock, flags); /* initialize rest of io_req */ + io_lock_acquired = 1; io_req->port_id = rport->port_id; io_req->start_time = jiffies; CMD_STATE(sc) = FNIC_IOREQ_CMD_PENDING; @@ -571,7 +573,7 @@ out: (((u64)CMD_FLAGS(sc) >> 32) | CMD_STATE(sc))); /* if only we issued IO, will we have the io lock */ - if (CMD_FLAGS(sc) & FNIC_IO_INITIALIZED) + if (io_lock_acquired) spin_unlock_irqrestore(io_lock, flags); atomic_dec(&fnic->in_flight); diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 882744852aac..a9aa38903efe 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -599,9 +599,10 @@ static void ipr_trc_hook(struct ipr_cmnd *ipr_cmd, { struct ipr_trace_entry *trace_entry; struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + unsigned int trace_index; - trace_entry = &ioa_cfg->trace[atomic_add_return - (1, &ioa_cfg->trace_index)%IPR_NUM_TRACE_ENTRIES]; + trace_index = atomic_add_return(1, &ioa_cfg->trace_index) & IPR_TRACE_INDEX_MASK; + trace_entry = &ioa_cfg->trace[trace_index]; trace_entry->time = jiffies; trace_entry->op_code = ipr_cmd->ioarcb.cmd_pkt.cdb[0]; trace_entry->type = type; @@ -1051,10 +1052,15 @@ static void ipr_send_blocking_cmd(struct ipr_cmnd *ipr_cmd, static int ipr_get_hrrq_index(struct ipr_ioa_cfg *ioa_cfg) { + unsigned int hrrq; + if (ioa_cfg->hrrq_num == 1) - return 0; - else - return (atomic_add_return(1, &ioa_cfg->hrrq_index) % (ioa_cfg->hrrq_num - 1)) + 1; + hrrq = 0; + else { + hrrq = atomic_add_return(1, &ioa_cfg->hrrq_index); + hrrq = (hrrq % (ioa_cfg->hrrq_num - 1)) + 1; + } + return hrrq; } /** @@ -6263,21 +6269,23 @@ static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd) struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); - unsigned long hrrq_flags; + unsigned long lock_flags; scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->s.ioasa.hdr.residual_data_len)); if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) { scsi_dma_unmap(scsi_cmd); - spin_lock_irqsave(ipr_cmd->hrrq->lock, hrrq_flags); + spin_lock_irqsave(ipr_cmd->hrrq->lock, lock_flags); list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); scsi_cmd->scsi_done(scsi_cmd); - spin_unlock_irqrestore(ipr_cmd->hrrq->lock, hrrq_flags); + spin_unlock_irqrestore(ipr_cmd->hrrq->lock, lock_flags); } else { - spin_lock_irqsave(ipr_cmd->hrrq->lock, hrrq_flags); + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + spin_lock(&ipr_cmd->hrrq->_lock); ipr_erp_start(ioa_cfg, ipr_cmd); - spin_unlock_irqrestore(ipr_cmd->hrrq->lock, hrrq_flags); + spin_unlock(&ipr_cmd->hrrq->_lock); + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); } } diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 73790a1d0969..6b97ee45c7b4 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -1486,6 +1486,7 @@ struct ipr_ioa_cfg { #define IPR_NUM_TRACE_INDEX_BITS 8 #define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS) +#define IPR_TRACE_INDEX_MASK (IPR_NUM_TRACE_ENTRIES - 1) #define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES) char trace_start[8]; #define IPR_TRACE_START_LABEL "trace" diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c index 1b3a09473452..30f9ef0c0d4f 100644 --- a/drivers/scsi/libfc/fc_exch.c +++ b/drivers/scsi/libfc/fc_exch.c @@ -733,8 +733,6 @@ static bool fc_invoke_resp(struct fc_exch *ep, struct fc_seq *sp, if (resp) { resp(sp, fp, arg); res = true; - } else if (!IS_ERR(fp)) { - fc_frame_free(fp); } spin_lock_bh(&ep->ex_lock); @@ -1596,7 +1594,8 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp) * If new exch resp handler is valid then call that * first. */ - fc_invoke_resp(ep, sp, fp); + if (!fc_invoke_resp(ep, sp, fp)) + fc_frame_free(fp); fc_exch_release(ep); return; @@ -1695,7 +1694,8 @@ static void fc_exch_abts_resp(struct fc_exch *ep, struct fc_frame *fp) fc_exch_hold(ep); if (!rc) fc_exch_delete(ep); - fc_invoke_resp(ep, sp, fp); + if (!fc_invoke_resp(ep, sp, fp)) + fc_frame_free(fp); if (has_rec) fc_exch_timer_set(ep, ep->r_a_tov); fc_exch_release(ep); diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index c6795941b45d..2d5909c4685c 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -1039,11 +1039,26 @@ restart: fc_fcp_pkt_hold(fsp); spin_unlock_irqrestore(&si->scsi_queue_lock, flags); - if (!fc_fcp_lock_pkt(fsp)) { + spin_lock_bh(&fsp->scsi_pkt_lock); + if (!(fsp->state & FC_SRB_COMPL)) { + fsp->state |= FC_SRB_COMPL; + /* + * TODO: dropping scsi_pkt_lock and then reacquiring + * again around fc_fcp_cleanup_cmd() is required, + * since fc_fcp_cleanup_cmd() calls into + * fc_seq_set_resp() and that func preempts cpu using + * schedule. May be schedule and related code should be + * removed instead of unlocking here to avoid scheduling + * while atomic bug. + */ + spin_unlock_bh(&fsp->scsi_pkt_lock); + fc_fcp_cleanup_cmd(fsp, error); + + spin_lock_bh(&fsp->scsi_pkt_lock); fc_io_compl(fsp); - fc_fcp_unlock_pkt(fsp); } + spin_unlock_bh(&fsp->scsi_pkt_lock); fc_fcp_pkt_release(fsp); spin_lock_irqsave(&si->scsi_queue_lock, flags); diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 8053f24f0349..98d9bb6ff725 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -2941,10 +2941,10 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) { struct iscsi_conn *conn = cls_conn->dd_data; struct iscsi_session *session = conn->session; - unsigned long flags; del_timer_sync(&conn->transport_timer); + mutex_lock(&session->eh_mutex); spin_lock_bh(&session->frwd_lock); conn->c_stage = ISCSI_CONN_CLEANUP_WAIT; if (session->leadconn == conn) { @@ -2956,28 +2956,6 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) } spin_unlock_bh(&session->frwd_lock); - /* - * Block until all in-progress commands for this connection - * time out or fail. - */ - for (;;) { - spin_lock_irqsave(session->host->host_lock, flags); - if (!atomic_read(&session->host->host_busy)) { /* OK for ERL == 0 */ - spin_unlock_irqrestore(session->host->host_lock, flags); - break; - } - spin_unlock_irqrestore(session->host->host_lock, flags); - msleep_interruptible(500); - iscsi_conn_printk(KERN_INFO, conn, "iscsi conn_destroy(): " - "host_busy %d host_failed %d\n", - atomic_read(&session->host->host_busy), - session->host->host_failed); - /* - * force eh_abort() to unblock - */ - wake_up(&conn->ehwait); - } - /* flush queued up work because we free the connection below */ iscsi_suspend_tx(conn); @@ -2994,6 +2972,7 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) if (session->leadconn == conn) session->leadconn = NULL; spin_unlock_bh(&session->frwd_lock); + mutex_unlock(&session->eh_mutex); iscsi_destroy_conn(cls_conn); } diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 82b92c414a9c..437254e1c4de 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -738,7 +738,7 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj, ql_log(ql_log_info, vha, 0x706f, "Issuing MPI reset.\n"); - if (IS_QLA83XX(ha)) { + if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { uint32_t idc_control; qla83xx_idc_lock(vha, 0); diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 0e6ee3ca30e6..8b011aef12bd 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -67,10 +67,10 @@ * | | | 0xd031-0xd0ff | * | | | 0xd101-0xd1fe | * | | | 0xd214-0xd2fe | - * | Target Mode | 0xe079 | | - * | Target Mode Management | 0xf072 | 0xf002 | + * | Target Mode | 0xe080 | | + * | Target Mode Management | 0xf096 | 0xf002 | * | | | 0xf046-0xf049 | - * | Target Mode Task Management | 0x1000b | | + * | Target Mode Task Management | 0x1000d | | * ---------------------------------------------------------------------- */ diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index e86201d3b8c6..9ad819edcd67 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -274,6 +274,7 @@ #define RESPONSE_ENTRY_CNT_FX00 256 /* Number of response entries.*/ struct req_que; +struct qla_tgt_sess; /* * (sd.h is not exported, hence local inclusion) @@ -2026,6 +2027,7 @@ typedef struct fc_port { uint16_t port_id; unsigned long retry_delay_timestamp; + struct qla_tgt_sess *tgt_session; } fc_port_t; #include "qla_mr.h" @@ -3154,13 +3156,13 @@ struct qla_hw_data { /* Bit 21 of fw_attributes decides the MCTP capabilities */ #define IS_MCTP_CAPABLE(ha) (IS_QLA2031(ha) && \ ((ha)->fw_attributes_ext[0] & BIT_0)) -#define IS_PI_UNINIT_CAPABLE(ha) (IS_QLA83XX(ha)) -#define IS_PI_IPGUARD_CAPABLE(ha) (IS_QLA83XX(ha)) +#define IS_PI_UNINIT_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha)) +#define IS_PI_IPGUARD_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha)) #define IS_PI_DIFB_DIX0_CAPABLE(ha) (0) -#define IS_PI_SPLIT_DET_CAPABLE_HBA(ha) (IS_QLA83XX(ha)) +#define IS_PI_SPLIT_DET_CAPABLE_HBA(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha)) #define IS_PI_SPLIT_DET_CAPABLE(ha) (IS_PI_SPLIT_DET_CAPABLE_HBA(ha) && \ (((ha)->fw_attributes_h << 16 | (ha)->fw_attributes) & BIT_22)) -#define IS_ATIO_MSIX_CAPABLE(ha) (IS_QLA83XX(ha)) +#define IS_ATIO_MSIX_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha)) #define IS_TGT_MODE_CAPABLE(ha) (ha->tgt.atio_q_length) #define IS_SHADOW_REG_CAPABLE(ha) (IS_QLA27XX(ha)) #define IS_DPORT_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha)) @@ -3579,6 +3581,16 @@ typedef struct scsi_qla_host { uint16_t fcoe_fcf_idx; uint8_t fcoe_vn_port_mac[6]; + /* list of commands waiting on workqueue */ + struct list_head qla_cmd_list; + struct list_head qla_sess_op_cmd_list; + spinlock_t cmd_list_lock; + + /* Counter to detect races between ELS and RSCN events */ + atomic_t generation_tick; + /* Time when global fcport update has been scheduled */ + int total_fcport_update_gen; + uint32_t vp_abort_cnt; struct fc_vport *fc_vport; /* holds fc_vport * for each vport */ diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 664013115c9d..11f2f3279eab 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -115,6 +115,8 @@ qla2x00_async_iocb_timeout(void *data) QLA_LOGIO_LOGIN_RETRIED : 0; qla2x00_post_async_login_done_work(fcport->vha, fcport, lio->u.logio.data); + } else if (sp->type == SRB_LOGOUT_CMD) { + qlt_logo_completion_handler(fcport, QLA_FUNCTION_TIMEOUT); } } @@ -497,7 +499,10 @@ void qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport, uint16_t *data) { - qla2x00_mark_device_lost(vha, fcport, 1, 0); + /* Don't re-login in target mode */ + if (!fcport->tgt_session) + qla2x00_mark_device_lost(vha, fcport, 1, 0); + qlt_logo_completion_handler(fcport, data[0]); return; } @@ -1538,7 +1543,7 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) mem_size = (ha->fw_memory_size - 0x11000 + 1) * sizeof(uint16_t); } else if (IS_FWI2_CAPABLE(ha)) { - if (IS_QLA83XX(ha)) + if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem); else if (IS_QLA81XX(ha)) fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem); @@ -1550,7 +1555,7 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) mem_size = (ha->fw_memory_size - 0x100000 + 1) * sizeof(uint32_t); if (ha->mqenable) { - if (!IS_QLA83XX(ha)) + if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha)) mq_size = sizeof(struct qla2xxx_mq_chain); /* * Allocate maximum buffer size for all queues. @@ -2922,21 +2927,14 @@ qla2x00_rport_del(void *data) { fc_port_t *fcport = data; struct fc_rport *rport; - scsi_qla_host_t *vha = fcport->vha; unsigned long flags; spin_lock_irqsave(fcport->vha->host->host_lock, flags); rport = fcport->drport ? fcport->drport: fcport->rport; fcport->drport = NULL; spin_unlock_irqrestore(fcport->vha->host->host_lock, flags); - if (rport) { + if (rport) fc_remote_port_delete(rport); - /* - * Release the target mode FC NEXUS in qla_target.c code - * if target mod is enabled. - */ - qlt_fc_port_deleted(vha, fcport); - } } /** @@ -3303,6 +3301,7 @@ qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport) * Create target mode FC NEXUS in qla_target.c if target mode is * enabled.. */ + qlt_fc_port_added(vha, fcport); spin_lock_irqsave(fcport->vha->host->host_lock, flags); @@ -3341,8 +3340,7 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) if (IS_QLAFX00(vha->hw)) { qla2x00_set_fcport_state(fcport, FCS_ONLINE); - qla2x00_reg_remote_port(vha, fcport); - return; + goto reg_port; } fcport->login_retry = 0; fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT); @@ -3350,7 +3348,16 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) qla2x00_set_fcport_state(fcport, FCS_ONLINE); qla2x00_iidma_fcport(vha, fcport); qla24xx_update_fcport_fcp_prio(vha, fcport); - qla2x00_reg_remote_port(vha, fcport); + +reg_port: + if (qla_ini_mode_enabled(vha)) + qla2x00_reg_remote_port(vha, fcport); + else { + /* + * Create target mode FC NEXUS in qla_target.c + */ + qlt_fc_port_added(vha, fcport); + } } /* @@ -3375,6 +3382,7 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) LIST_HEAD(new_fcports); struct qla_hw_data *ha = vha->hw; struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); + int discovery_gen; /* If FL port exists, then SNS is present */ if (IS_FWI2_CAPABLE(ha)) @@ -3445,6 +3453,14 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) fcport->scan_state = QLA_FCPORT_SCAN; } + /* Mark the time right before querying FW for connected ports. + * This process is long, asynchronous and by the time it's done, + * collected information might not be accurate anymore. E.g. + * disconnected port might have re-connected and a brand new + * session has been created. In this case session's generation + * will be newer than discovery_gen. */ + qlt_do_generation_tick(vha, &discovery_gen); + rval = qla2x00_find_all_fabric_devs(vha, &new_fcports); if (rval != QLA_SUCCESS) break; @@ -3460,20 +3476,44 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) continue; - if (fcport->scan_state == QLA_FCPORT_SCAN && - atomic_read(&fcport->state) == FCS_ONLINE) { - qla2x00_mark_device_lost(vha, fcport, - ql2xplogiabsentdevice, 0); - if (fcport->loop_id != FC_NO_LOOP_ID && - (fcport->flags & FCF_FCP2_DEVICE) == 0 && - fcport->port_type != FCT_INITIATOR && - fcport->port_type != FCT_BROADCAST) { - ha->isp_ops->fabric_logout(vha, - fcport->loop_id, - fcport->d_id.b.domain, - fcport->d_id.b.area, - fcport->d_id.b.al_pa); - qla2x00_clear_loop_id(fcport); + if (fcport->scan_state == QLA_FCPORT_SCAN) { + if (qla_ini_mode_enabled(base_vha) && + atomic_read(&fcport->state) == FCS_ONLINE) { + qla2x00_mark_device_lost(vha, fcport, + ql2xplogiabsentdevice, 0); + if (fcport->loop_id != FC_NO_LOOP_ID && + (fcport->flags & FCF_FCP2_DEVICE) == 0 && + fcport->port_type != FCT_INITIATOR && + fcport->port_type != FCT_BROADCAST) { + ha->isp_ops->fabric_logout(vha, + fcport->loop_id, + fcport->d_id.b.domain, + fcport->d_id.b.area, + fcport->d_id.b.al_pa); + qla2x00_clear_loop_id(fcport); + } + } else if (!qla_ini_mode_enabled(base_vha)) { + /* + * In target mode, explicitly kill + * sessions and log out of devices + * that are gone, so that we don't + * end up with an initiator using the + * wrong ACL (if the fabric recycles + * an FC address and we have a stale + * session around) and so that we don't + * report initiators that are no longer + * on the fabric. + */ + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf077, + "port gone, logging out/killing session: " + "%8phC state 0x%x flags 0x%x fc4_type 0x%x " + "scan_state %d\n", + fcport->port_name, + atomic_read(&fcport->state), + fcport->flags, fcport->fc4_type, + fcport->scan_state); + qlt_fc_port_deleted(vha, fcport, + discovery_gen); } } } @@ -3494,6 +3534,28 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) (fcport->flags & FCF_LOGIN_NEEDED) == 0) continue; + /* + * If we're not an initiator, skip looking for devices + * and logging in. There's no reason for us to do it, + * and it seems to actively cause problems in target + * mode if we race with the initiator logging into us + * (we might get the "port ID used" status back from + * our login command and log out the initiator, which + * seems to cause havoc). + */ + if (!qla_ini_mode_enabled(base_vha)) { + if (fcport->scan_state == QLA_FCPORT_FOUND) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf078, + "port %8phC state 0x%x flags 0x%x fc4_type 0x%x " + "scan_state %d (initiator mode disabled; skipping " + "login)\n", fcport->port_name, + atomic_read(&fcport->state), + fcport->flags, fcport->fc4_type, + fcport->scan_state); + } + continue; + } + if (fcport->loop_id == FC_NO_LOOP_ID) { fcport->loop_id = next_loopid; rval = qla2x00_find_new_loop_id( @@ -3520,16 +3582,38 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) break; - /* Find a new loop ID to use. */ - fcport->loop_id = next_loopid; - rval = qla2x00_find_new_loop_id(base_vha, fcport); - if (rval != QLA_SUCCESS) { - /* Ran out of IDs to use */ - break; - } + /* + * If we're not an initiator, skip looking for devices + * and logging in. There's no reason for us to do it, + * and it seems to actively cause problems in target + * mode if we race with the initiator logging into us + * (we might get the "port ID used" status back from + * our login command and log out the initiator, which + * seems to cause havoc). + */ + if (qla_ini_mode_enabled(base_vha)) { + /* Find a new loop ID to use. */ + fcport->loop_id = next_loopid; + rval = qla2x00_find_new_loop_id(base_vha, + fcport); + if (rval != QLA_SUCCESS) { + /* Ran out of IDs to use */ + break; + } - /* Login and update database */ - qla2x00_fabric_dev_login(vha, fcport, &next_loopid); + /* Login and update database */ + qla2x00_fabric_dev_login(vha, fcport, + &next_loopid); + } else { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf079, + "new port %8phC state 0x%x flags 0x%x fc4_type " + "0x%x scan_state %d (initiator mode disabled; " + "skipping login)\n", + fcport->port_name, + atomic_read(&fcport->state), + fcport->flags, fcport->fc4_type, + fcport->scan_state); + } list_move_tail(&fcport->list, &vha->vp_fcports); } @@ -3725,11 +3809,12 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha, fcport->fp_speed = new_fcport->fp_speed; /* - * If address the same and state FCS_ONLINE, nothing - * changed. + * If address the same and state FCS_ONLINE + * (or in target mode), nothing changed. */ if (fcport->d_id.b24 == new_fcport->d_id.b24 && - atomic_read(&fcport->state) == FCS_ONLINE) { + (atomic_read(&fcport->state) == FCS_ONLINE || + !qla_ini_mode_enabled(base_vha))) { break; } @@ -3749,6 +3834,22 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha, * Log it out if still logged in and mark it for * relogin later. */ + if (!qla_ini_mode_enabled(base_vha)) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080, + "port changed FC ID, %8phC" + " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n", + fcport->port_name, + fcport->d_id.b.domain, + fcport->d_id.b.area, + fcport->d_id.b.al_pa, + fcport->loop_id, + new_fcport->d_id.b.domain, + new_fcport->d_id.b.area, + new_fcport->d_id.b.al_pa); + fcport->d_id.b24 = new_fcport->d_id.b24; + break; + } + fcport->d_id.b24 = new_fcport->d_id.b24; fcport->flags |= FCF_LOGIN_NEEDED; if (fcport->loop_id != FC_NO_LOOP_ID && @@ -3768,6 +3869,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha, if (found) continue; /* If device was not in our fcports list, then add it. */ + new_fcport->scan_state = QLA_FCPORT_FOUND; list_add_tail(&new_fcport->list, new_fcports); /* Allocate a new replacement fcport. */ @@ -4188,6 +4290,14 @@ qla2x00_update_fcports(scsi_qla_host_t *base_vha) atomic_read(&fcport->state) != FCS_UNCONFIGURED) { spin_unlock_irqrestore(&ha->vport_slock, flags); qla2x00_rport_del(fcport); + + /* + * Release the target mode FC NEXUS in + * qla_target.c, if target mod is enabled. + */ + qlt_fc_port_deleted(vha, fcport, + base_vha->total_fcport_update_gen); + spin_lock_irqsave(&ha->vport_slock, flags); } } diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 36fbd4c7af8f..6f02b26a35cf 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -1943,6 +1943,9 @@ qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio) logio->entry_type = LOGINOUT_PORT_IOCB_TYPE; logio->control_flags = cpu_to_le16(LCF_COMMAND_LOGO|LCF_IMPL_LOGO); + if (!sp->fcport->tgt_session || + !sp->fcport->tgt_session->keep_nport_handle) + logio->control_flags |= cpu_to_le16(LCF_FREE_NPORT); logio->nport_handle = cpu_to_le16(sp->fcport->loop_id); logio->port_id[0] = sp->fcport->d_id.b.al_pa; logio->port_id[1] = sp->fcport->d_id.b.area; diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 02b1c1c5355b..b2f713ad9034 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -2415,7 +2415,8 @@ qla2x00_get_resource_cnts(scsi_qla_host_t *vha, uint16_t *cur_xchg_cnt, *orig_iocb_cnt = mcp->mb[10]; if (vha->hw->flags.npiv_supported && max_npiv_vports) *max_npiv_vports = mcp->mb[11]; - if ((IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) && max_fcfs) + if ((IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw) || + IS_QLA27XX(vha->hw)) && max_fcfs) *max_fcfs = mcp->mb[12]; } @@ -3898,7 +3899,7 @@ qla25xx_init_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) spin_lock_irqsave(&ha->hardware_lock, flags); if (!(rsp->options & BIT_0)) { WRT_REG_DWORD(rsp->rsp_q_out, 0); - if (!IS_QLA83XX(ha)) + if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha)) WRT_REG_DWORD(rsp->rsp_q_in, 0); } @@ -5345,7 +5346,7 @@ qla83xx_restart_nic_firmware(scsi_qla_host_t *vha) mbx_cmd_t *mcp = &mc; struct qla_hw_data *ha = vha->hw; - if (!IS_QLA83XX(ha)) + if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha)) return QLA_FUNCTION_FAILED; ql_dbg(ql_dbg_mbx, vha, 0x1143, "Entered %s.\n", __func__); diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index a28815b8276f..8a5cac8448c7 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -2504,6 +2504,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_24XX; rsp_length = RESPONSE_ENTRY_CNT_2300; + ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; ha->max_loop_id = SNS_LAST_LOOP_ID_2300; ha->init_cb_size = sizeof(struct mid_init_cb_81xx); ha->gid_list_info_size = 8; @@ -3229,11 +3230,15 @@ qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport, spin_lock_irqsave(vha->host->host_lock, flags); fcport->drport = rport; spin_unlock_irqrestore(vha->host->host_lock, flags); + qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen); set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags); qla2xxx_wake_dpc(base_vha); } else { - fc_remote_port_delete(rport); - qlt_fc_port_deleted(vha, fcport); + int now; + if (rport) + fc_remote_port_delete(rport); + qlt_do_generation_tick(vha, &now); + qlt_fc_port_deleted(vha, fcport, now); } } @@ -3763,8 +3768,11 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht, INIT_LIST_HEAD(&vha->vp_fcports); INIT_LIST_HEAD(&vha->work_list); INIT_LIST_HEAD(&vha->list); + INIT_LIST_HEAD(&vha->qla_cmd_list); + INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list); spin_lock_init(&vha->work_lock); + spin_lock_init(&vha->cmd_list_lock); sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no); ql_dbg(ql_dbg_init, vha, 0x0041, diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c index 028e8c8a7de9..2feb5f38edcd 100644 --- a/drivers/scsi/qla2xxx/qla_sup.c +++ b/drivers/scsi/qla2xxx/qla_sup.c @@ -1697,7 +1697,7 @@ qla83xx_select_led_port(struct qla_hw_data *ha) { uint32_t led_select_value = 0; - if (!IS_QLA83XX(ha)) + if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha)) goto out; if (ha->port_no == 0) diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index b749026aa592..58651ecbd88c 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -113,6 +113,11 @@ static void qlt_abort_cmd_on_host_reset(struct scsi_qla_host *vha, static void qlt_alloc_qfull_cmd(struct scsi_qla_host *vha, struct atio_from_isp *atio, uint16_t status, int qfull); static void qlt_disable_vha(struct scsi_qla_host *vha); +static void qlt_clear_tgt_db(struct qla_tgt *tgt); +static void qlt_send_notify_ack(struct scsi_qla_host *vha, + struct imm_ntfy_from_isp *ntfy, + uint32_t add_flags, uint16_t resp_code, int resp_code_valid, + uint16_t srr_flags, uint16_t srr_reject_code, uint8_t srr_explan); /* * Global Variables */ @@ -122,6 +127,16 @@ static struct workqueue_struct *qla_tgt_wq; static DEFINE_MUTEX(qla_tgt_mutex); static LIST_HEAD(qla_tgt_glist); +/* This API intentionally takes dest as a parameter, rather than returning + * int value to avoid caller forgetting to issue wmb() after the store */ +void qlt_do_generation_tick(struct scsi_qla_host *vha, int *dest) +{ + scsi_qla_host_t *base_vha = pci_get_drvdata(vha->hw->pdev); + *dest = atomic_inc_return(&base_vha->generation_tick); + /* memory barrier */ + wmb(); +} + /* ha->hardware_lock supposed to be held on entry (to protect tgt->sess_list) */ static struct qla_tgt_sess *qlt_find_sess_by_port_name( struct qla_tgt *tgt, @@ -381,14 +396,73 @@ static void qlt_free_session_done(struct work_struct *work) struct qla_tgt *tgt = sess->tgt; struct scsi_qla_host *vha = sess->vha; struct qla_hw_data *ha = vha->hw; + unsigned long flags; + bool logout_started = false; + fc_port_t fcport; + + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf084, + "%s: se_sess %p / sess %p from port %8phC loop_id %#04x" + " s_id %02x:%02x:%02x logout %d keep %d plogi %d\n", + __func__, sess->se_sess, sess, sess->port_name, sess->loop_id, + sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa, + sess->logout_on_delete, sess->keep_nport_handle, + sess->plogi_ack_needed); BUG_ON(!tgt); + + if (sess->logout_on_delete) { + int rc; + + memset(&fcport, 0, sizeof(fcport)); + fcport.loop_id = sess->loop_id; + fcport.d_id = sess->s_id; + memcpy(fcport.port_name, sess->port_name, WWN_SIZE); + fcport.vha = vha; + fcport.tgt_session = sess; + + rc = qla2x00_post_async_logout_work(vha, &fcport, NULL); + if (rc != QLA_SUCCESS) + ql_log(ql_log_warn, vha, 0xf085, + "Schedule logo failed sess %p rc %d\n", + sess, rc); + else + logout_started = true; + } + /* * Release the target session for FC Nexus from fabric module code. */ if (sess->se_sess != NULL) ha->tgt.tgt_ops->free_session(sess); + if (logout_started) { + bool traced = false; + + while (!ACCESS_ONCE(sess->logout_completed)) { + if (!traced) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf086, + "%s: waiting for sess %p logout\n", + __func__, sess); + traced = true; + } + msleep(100); + } + + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf087, + "%s: sess %p logout completed\n", + __func__, sess); + } + + spin_lock_irqsave(&ha->hardware_lock, flags); + + if (sess->plogi_ack_needed) + qlt_send_notify_ack(vha, &sess->tm_iocb, + 0, 0, 0, 0, 0, 0); + + list_del(&sess->sess_list_entry); + + spin_unlock_irqrestore(&ha->hardware_lock, flags); + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf001, "Unregistration of sess %p finished\n", sess); @@ -409,9 +483,9 @@ void qlt_unreg_sess(struct qla_tgt_sess *sess) vha->hw->tgt.tgt_ops->clear_nacl_from_fcport_map(sess); - list_del(&sess->sess_list_entry); - if (sess->deleted) - list_del(&sess->del_list_entry); + if (!list_empty(&sess->del_list_entry)) + list_del_init(&sess->del_list_entry); + sess->deleted = QLA_SESS_DELETION_IN_PROGRESS; INIT_WORK(&sess->free_work, qlt_free_session_done); schedule_work(&sess->free_work); @@ -431,10 +505,10 @@ static int qlt_reset(struct scsi_qla_host *vha, void *iocb, int mcmd) loop_id = le16_to_cpu(n->u.isp24.nport_handle); if (loop_id == 0xFFFF) { -#if 0 /* FIXME: Re-enable Global event handling.. */ /* Global event */ - atomic_inc(&ha->tgt.qla_tgt->tgt_global_resets_count); - qlt_clear_tgt_db(ha->tgt.qla_tgt); + atomic_inc(&vha->vha_tgt.qla_tgt->tgt_global_resets_count); + qlt_clear_tgt_db(vha->vha_tgt.qla_tgt); +#if 0 /* FIXME: do we need to choose a session here? */ if (!list_empty(&ha->tgt.qla_tgt->sess_list)) { sess = list_entry(ha->tgt.qla_tgt->sess_list.next, typeof(*sess), sess_list_entry); @@ -489,27 +563,38 @@ static void qlt_schedule_sess_for_deletion(struct qla_tgt_sess *sess, struct qla_tgt *tgt = sess->tgt; uint32_t dev_loss_tmo = tgt->ha->port_down_retry_count + 5; - if (sess->deleted) - return; + if (sess->deleted) { + /* Upgrade to unconditional deletion in case it was temporary */ + if (immediate && sess->deleted == QLA_SESS_DELETION_PENDING) + list_del(&sess->del_list_entry); + else + return; + } ql_dbg(ql_dbg_tgt, sess->vha, 0xe001, "Scheduling sess %p for deletion\n", sess); - list_add_tail(&sess->del_list_entry, &tgt->del_sess_list); - sess->deleted = 1; - if (immediate) + if (immediate) { dev_loss_tmo = 0; + sess->deleted = QLA_SESS_DELETION_IN_PROGRESS; + list_add(&sess->del_list_entry, &tgt->del_sess_list); + } else { + sess->deleted = QLA_SESS_DELETION_PENDING; + list_add_tail(&sess->del_list_entry, &tgt->del_sess_list); + } sess->expires = jiffies + dev_loss_tmo * HZ; ql_dbg(ql_dbg_tgt, sess->vha, 0xe048, - "qla_target(%d): session for port %8phC (loop ID %d) scheduled for " - "deletion in %u secs (expires: %lu) immed: %d\n", - sess->vha->vp_idx, sess->port_name, sess->loop_id, dev_loss_tmo, - sess->expires, immediate); + "qla_target(%d): session for port %8phC (loop ID %d s_id %02x:%02x:%02x)" + " scheduled for deletion in %u secs (expires: %lu) immed: %d, logout: %d, gen: %#x\n", + sess->vha->vp_idx, sess->port_name, sess->loop_id, + sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa, + dev_loss_tmo, sess->expires, immediate, sess->logout_on_delete, + sess->generation); if (immediate) - schedule_delayed_work(&tgt->sess_del_work, 0); + mod_delayed_work(system_wq, &tgt->sess_del_work, 0); else schedule_delayed_work(&tgt->sess_del_work, sess->expires - jiffies); @@ -578,9 +663,9 @@ out_free_id_list: /* ha->hardware_lock supposed to be held on entry */ static void qlt_undelete_sess(struct qla_tgt_sess *sess) { - BUG_ON(!sess->deleted); + BUG_ON(sess->deleted != QLA_SESS_DELETION_PENDING); - list_del(&sess->del_list_entry); + list_del_init(&sess->del_list_entry); sess->deleted = 0; } @@ -599,7 +684,9 @@ static void qlt_del_sess_work_fn(struct delayed_work *work) del_list_entry); elapsed = jiffies; if (time_after_eq(elapsed, sess->expires)) { - qlt_undelete_sess(sess); + /* No turning back */ + list_del_init(&sess->del_list_entry); + sess->deleted = QLA_SESS_DELETION_IN_PROGRESS; ql_dbg(ql_dbg_tgt_mgt, vha, 0xf004, "Timeout: sess %p about to be deleted\n", @@ -643,6 +730,13 @@ static struct qla_tgt_sess *qlt_create_sess( fcport->d_id.b.al_pa, fcport->d_id.b.area, fcport->loop_id); + /* Cannot undelete at this point */ + if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { + spin_unlock_irqrestore(&ha->hardware_lock, + flags); + return NULL; + } + if (sess->deleted) qlt_undelete_sess(sess); @@ -652,6 +746,9 @@ static struct qla_tgt_sess *qlt_create_sess( if (sess->local && !local) sess->local = 0; + + qlt_do_generation_tick(vha, &sess->generation); + spin_unlock_irqrestore(&ha->hardware_lock, flags); return sess; @@ -673,6 +770,14 @@ static struct qla_tgt_sess *qlt_create_sess( sess->s_id = fcport->d_id; sess->loop_id = fcport->loop_id; sess->local = local; + INIT_LIST_HEAD(&sess->del_list_entry); + + /* Under normal circumstances we want to logout from firmware when + * session eventually ends and release corresponding nport handle. + * In the exception cases (e.g. when new PLOGI is waiting) corresponding + * code will adjust these flags as necessary. */ + sess->logout_on_delete = 1; + sess->keep_nport_handle = 0; ql_dbg(ql_dbg_tgt_mgt, vha, 0xf006, "Adding sess %p to tgt %p via ->check_initiator_node_acl()\n", @@ -705,6 +810,7 @@ static struct qla_tgt_sess *qlt_create_sess( spin_lock_irqsave(&ha->hardware_lock, flags); list_add_tail(&sess->sess_list_entry, &vha->vha_tgt.qla_tgt->sess_list); vha->vha_tgt.qla_tgt->sess_count++; + qlt_do_generation_tick(vha, &sess->generation); spin_unlock_irqrestore(&ha->hardware_lock, flags); ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04b, @@ -718,7 +824,7 @@ static struct qla_tgt_sess *qlt_create_sess( } /* - * Called from drivers/scsi/qla2xxx/qla_init.c:qla2x00_reg_remote_port() + * Called from qla2x00_reg_remote_port() */ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport) { @@ -750,6 +856,10 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport) mutex_unlock(&vha->vha_tgt.tgt_mutex); spin_lock_irqsave(&ha->hardware_lock, flags); + } else if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { + /* Point of no return */ + spin_unlock_irqrestore(&ha->hardware_lock, flags); + return; } else { kref_get(&sess->se_sess->sess_kref); @@ -780,27 +890,36 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport) spin_unlock_irqrestore(&ha->hardware_lock, flags); } -void qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport) +/* + * max_gen - specifies maximum session generation + * at which this deletion requestion is still valid + */ +void +qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport, int max_gen) { - struct qla_hw_data *ha = vha->hw; struct qla_tgt *tgt = vha->vha_tgt.qla_tgt; struct qla_tgt_sess *sess; - unsigned long flags; if (!vha->hw->tgt.tgt_ops) return; - if (!tgt || (fcport->port_type != FCT_INITIATOR)) + if (!tgt) return; - spin_lock_irqsave(&ha->hardware_lock, flags); if (tgt->tgt_stop) { - spin_unlock_irqrestore(&ha->hardware_lock, flags); return; } sess = qlt_find_sess_by_port_name(tgt, fcport->port_name); if (!sess) { - spin_unlock_irqrestore(&ha->hardware_lock, flags); + return; + } + + if (max_gen - sess->generation < 0) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf092, + "Ignoring stale deletion request for se_sess %p / sess %p" + " for port %8phC, req_gen %d, sess_gen %d\n", + sess->se_sess, sess, sess->port_name, max_gen, + sess->generation); return; } @@ -808,7 +927,6 @@ void qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport) sess->local = 1; qlt_schedule_sess_for_deletion(sess, false); - spin_unlock_irqrestore(&ha->hardware_lock, flags); } static inline int test_tgt_sess_count(struct qla_tgt *tgt) @@ -1175,6 +1293,70 @@ static void qlt_24xx_retry_term_exchange(struct scsi_qla_host *vha, FCP_TMF_CMPL, true); } +static int abort_cmd_for_tag(struct scsi_qla_host *vha, uint32_t tag) +{ + struct qla_tgt_sess_op *op; + struct qla_tgt_cmd *cmd; + + spin_lock(&vha->cmd_list_lock); + + list_for_each_entry(op, &vha->qla_sess_op_cmd_list, cmd_list) { + if (tag == op->atio.u.isp24.exchange_addr) { + op->aborted = true; + spin_unlock(&vha->cmd_list_lock); + return 1; + } + } + + list_for_each_entry(cmd, &vha->qla_cmd_list, cmd_list) { + if (tag == cmd->atio.u.isp24.exchange_addr) { + cmd->state = QLA_TGT_STATE_ABORTED; + spin_unlock(&vha->cmd_list_lock); + return 1; + } + } + + spin_unlock(&vha->cmd_list_lock); + return 0; +} + +/* drop cmds for the given lun + * XXX only looks for cmds on the port through which lun reset was recieved + * XXX does not go through the list of other port (which may have cmds + * for the same lun) + */ +static void abort_cmds_for_lun(struct scsi_qla_host *vha, + uint32_t lun, uint8_t *s_id) +{ + struct qla_tgt_sess_op *op; + struct qla_tgt_cmd *cmd; + uint32_t key; + + key = sid_to_key(s_id); + spin_lock(&vha->cmd_list_lock); + list_for_each_entry(op, &vha->qla_sess_op_cmd_list, cmd_list) { + uint32_t op_key; + uint32_t op_lun; + + op_key = sid_to_key(op->atio.u.isp24.fcp_hdr.s_id); + op_lun = scsilun_to_int( + (struct scsi_lun *)&op->atio.u.isp24.fcp_cmnd.lun); + if (op_key == key && op_lun == lun) + op->aborted = true; + } + list_for_each_entry(cmd, &vha->qla_cmd_list, cmd_list) { + uint32_t cmd_key; + uint32_t cmd_lun; + + cmd_key = sid_to_key(cmd->atio.u.isp24.fcp_hdr.s_id); + cmd_lun = scsilun_to_int( + (struct scsi_lun *)&cmd->atio.u.isp24.fcp_cmnd.lun); + if (cmd_key == key && cmd_lun == lun) + cmd->state = QLA_TGT_STATE_ABORTED; + } + spin_unlock(&vha->cmd_list_lock); +} + /* ha->hardware_lock supposed to be held on entry */ static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha, struct abts_recv_from_24xx *abts, struct qla_tgt_sess *sess) @@ -1199,8 +1381,19 @@ static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha, } spin_unlock(&se_sess->sess_cmd_lock); - if (!found_lun) - return -ENOENT; + /* cmd not in LIO lists, look in qla list */ + if (!found_lun) { + if (abort_cmd_for_tag(vha, abts->exchange_addr_to_abort)) { + /* send TASK_ABORT response immediately */ + qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_CMPL, false); + return 0; + } else { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf081, + "unable to find cmd in driver or LIO for tag 0x%x\n", + abts->exchange_addr_to_abort); + return -ENOENT; + } + } ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00f, "qla_target(%d): task abort (tag=%d)\n", @@ -1284,6 +1477,11 @@ static void qlt_24xx_handle_abts(struct scsi_qla_host *vha, return; } + if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { + qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED, false); + return; + } + rc = __qlt_24xx_handle_abts(vha, abts, sess); if (rc != 0) { ql_dbg(ql_dbg_tgt_mgt, vha, 0xf054, @@ -1726,20 +1924,6 @@ static int qlt_pre_xmit_response(struct qla_tgt_cmd *cmd, struct qla_hw_data *ha = vha->hw; struct se_cmd *se_cmd = &cmd->se_cmd; - if (unlikely(cmd->aborted)) { - ql_dbg(ql_dbg_tgt_mgt, vha, 0xf014, - "qla_target(%d): terminating exchange for aborted cmd=%p (se_cmd=%p, tag=%lld)", - vha->vp_idx, cmd, se_cmd, se_cmd->tag); - - cmd->state = QLA_TGT_STATE_ABORTED; - cmd->cmd_flags |= BIT_6; - - qlt_send_term_exchange(vha, cmd, &cmd->atio, 0); - - /* !! At this point cmd could be already freed !! */ - return QLA_TGT_PRE_XMIT_RESP_CMD_ABORTED; - } - prm->cmd = cmd; prm->tgt = tgt; prm->rq_result = scsi_status; @@ -2301,6 +2485,19 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type, unsigned long flags = 0; int res; + spin_lock_irqsave(&ha->hardware_lock, flags); + if (cmd->sess && cmd->sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { + cmd->state = QLA_TGT_STATE_PROCESSED; + if (cmd->sess->logout_completed) + /* no need to terminate. FW already freed exchange. */ + qlt_abort_cmd_on_host_reset(cmd->vha, cmd); + else + qlt_send_term_exchange(vha, cmd, &cmd->atio, 1); + spin_unlock_irqrestore(&ha->hardware_lock, flags); + return 0; + } + spin_unlock_irqrestore(&ha->hardware_lock, flags); + memset(&prm, 0, sizeof(prm)); qlt_check_srr_debug(cmd, &xmit_type); @@ -2313,9 +2510,6 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type, res = qlt_pre_xmit_response(cmd, &prm, xmit_type, scsi_status, &full_req_cnt); if (unlikely(res != 0)) { - if (res == QLA_TGT_PRE_XMIT_RESP_CMD_ABORTED) - return 0; - return res; } @@ -2345,9 +2539,10 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type, res = qlt_build_ctio_crc2_pkt(&prm, vha); else res = qlt_24xx_build_ctio_pkt(&prm, vha); - if (unlikely(res != 0)) + if (unlikely(res != 0)) { + vha->req->cnt += full_req_cnt; goto out_unmap_unlock; - + } pkt = (struct ctio7_to_24xx *)prm.pkt; @@ -2461,7 +2656,8 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd) spin_lock_irqsave(&ha->hardware_lock, flags); - if (qla2x00_reset_active(vha) || cmd->reset_count != ha->chip_reset) { + if (qla2x00_reset_active(vha) || (cmd->reset_count != ha->chip_reset) || + (cmd->sess && cmd->sess->deleted == QLA_SESS_DELETION_IN_PROGRESS)) { /* * Either a chip reset is active or this request was from * previous life, just abort the processing. @@ -2485,8 +2681,11 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd) else res = qlt_24xx_build_ctio_pkt(&prm, vha); - if (unlikely(res != 0)) + if (unlikely(res != 0)) { + vha->req->cnt += prm.req_cnt; goto out_unlock_free_unmap; + } + pkt = (struct ctio7_to_24xx *)prm.pkt; pkt->u.status0.flags |= __constant_cpu_to_le16(CTIO7_FLAGS_DATA_OUT | CTIO7_FLAGS_STATUS_MODE_0); @@ -2651,6 +2850,89 @@ out: /* If hardware_lock held on entry, might drop it, then reaquire */ /* This function sends the appropriate CTIO to ISP 2xxx or 24xx */ +static int __qlt_send_term_imm_notif(struct scsi_qla_host *vha, + struct imm_ntfy_from_isp *ntfy) +{ + struct nack_to_isp *nack; + struct qla_hw_data *ha = vha->hw; + request_t *pkt; + int ret = 0; + + ql_dbg(ql_dbg_tgt_tmr, vha, 0xe01c, + "Sending TERM ELS CTIO (ha=%p)\n", ha); + + pkt = (request_t *)qla2x00_alloc_iocbs_ready(vha, NULL); + if (pkt == NULL) { + ql_dbg(ql_dbg_tgt, vha, 0xe080, + "qla_target(%d): %s failed: unable to allocate " + "request packet\n", vha->vp_idx, __func__); + return -ENOMEM; + } + + pkt->entry_type = NOTIFY_ACK_TYPE; + pkt->entry_count = 1; + pkt->handle = QLA_TGT_SKIP_HANDLE | CTIO_COMPLETION_HANDLE_MARK; + + nack = (struct nack_to_isp *)pkt; + nack->ox_id = ntfy->ox_id; + + nack->u.isp24.nport_handle = ntfy->u.isp24.nport_handle; + if (le16_to_cpu(ntfy->u.isp24.status) == IMM_NTFY_ELS) { + nack->u.isp24.flags = ntfy->u.isp24.flags & + __constant_cpu_to_le32(NOTIFY24XX_FLAGS_PUREX_IOCB); + } + + /* terminate */ + nack->u.isp24.flags |= + __constant_cpu_to_le16(NOTIFY_ACK_FLAGS_TERMINATE); + + nack->u.isp24.srr_rx_id = ntfy->u.isp24.srr_rx_id; + nack->u.isp24.status = ntfy->u.isp24.status; + nack->u.isp24.status_subcode = ntfy->u.isp24.status_subcode; + nack->u.isp24.fw_handle = ntfy->u.isp24.fw_handle; + nack->u.isp24.exchange_address = ntfy->u.isp24.exchange_address; + nack->u.isp24.srr_rel_offs = ntfy->u.isp24.srr_rel_offs; + nack->u.isp24.srr_ui = ntfy->u.isp24.srr_ui; + nack->u.isp24.vp_index = ntfy->u.isp24.vp_index; + + qla2x00_start_iocbs(vha, vha->req); + return ret; +} + +static void qlt_send_term_imm_notif(struct scsi_qla_host *vha, + struct imm_ntfy_from_isp *imm, int ha_locked) +{ + unsigned long flags = 0; + int rc; + + if (qlt_issue_marker(vha, ha_locked) < 0) + return; + + if (ha_locked) { + rc = __qlt_send_term_imm_notif(vha, imm); + +#if 0 /* Todo */ + if (rc == -ENOMEM) + qlt_alloc_qfull_cmd(vha, imm, 0, 0); +#endif + goto done; + } + + spin_lock_irqsave(&vha->hw->hardware_lock, flags); + rc = __qlt_send_term_imm_notif(vha, imm); + +#if 0 /* Todo */ + if (rc == -ENOMEM) + qlt_alloc_qfull_cmd(vha, imm, 0, 0); +#endif + +done: + if (!ha_locked) + spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); +} + +/* If hardware_lock held on entry, might drop it, then reaquire */ +/* This function sends the appropriate CTIO to ISP 2xxx or 24xx */ static int __qlt_send_term_exchange(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd, struct atio_from_isp *atio) @@ -2715,7 +2997,7 @@ static int __qlt_send_term_exchange(struct scsi_qla_host *vha, static void qlt_send_term_exchange(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd, struct atio_from_isp *atio, int ha_locked) { - unsigned long flags; + unsigned long flags = 0; int rc; if (qlt_issue_marker(vha, ha_locked) < 0) @@ -2731,17 +3013,18 @@ static void qlt_send_term_exchange(struct scsi_qla_host *vha, rc = __qlt_send_term_exchange(vha, cmd, atio); if (rc == -ENOMEM) qlt_alloc_qfull_cmd(vha, atio, 0, 0); - spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); done: if (cmd && ((cmd->state != QLA_TGT_STATE_ABORTED) || !cmd->cmd_sent_to_fw)) { - if (!ha_locked && !in_interrupt()) - msleep(250); /* just in case */ - - qlt_unmap_sg(vha, cmd); + if (cmd->sg_mapped) + qlt_unmap_sg(vha, cmd); vha->hw->tgt.tgt_ops->free_cmd(cmd); } + + if (!ha_locked) + spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); + return; } @@ -2792,6 +3075,24 @@ static void qlt_chk_exch_leak_thresh_hold(struct scsi_qla_host *vha) } +void qlt_abort_cmd(struct qla_tgt_cmd *cmd) +{ + struct qla_tgt *tgt = cmd->tgt; + struct scsi_qla_host *vha = tgt->vha; + struct se_cmd *se_cmd = &cmd->se_cmd; + + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf014, + "qla_target(%d): terminating exchange for aborted cmd=%p " + "(se_cmd=%p, tag=%llu)", vha->vp_idx, cmd, &cmd->se_cmd, + se_cmd->tag); + + cmd->state = QLA_TGT_STATE_ABORTED; + cmd->cmd_flags |= BIT_6; + + qlt_send_term_exchange(vha, cmd, &cmd->atio, 0); +} +EXPORT_SYMBOL(qlt_abort_cmd); + void qlt_free_cmd(struct qla_tgt_cmd *cmd) { struct qla_tgt_sess *sess = cmd->sess; @@ -3015,7 +3316,7 @@ qlt_abort_cmd_on_host_reset(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd) dump_stack(); } - cmd->cmd_flags |= BIT_12; + cmd->cmd_flags |= BIT_17; ha->tgt.tgt_ops->free_cmd(cmd); } @@ -3177,7 +3478,7 @@ static void qlt_do_ctio_completion(struct scsi_qla_host *vha, uint32_t handle, skip_term: if (cmd->state == QLA_TGT_STATE_PROCESSED) { - ; + cmd->cmd_flags |= BIT_12; } else if (cmd->state == QLA_TGT_STATE_NEED_DATA) { int rx_status = 0; @@ -3191,9 +3492,11 @@ skip_term: ha->tgt.tgt_ops->handle_data(cmd); return; } else if (cmd->state == QLA_TGT_STATE_ABORTED) { + cmd->cmd_flags |= BIT_18; ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01e, "Aborted command %p (tag %lld) finished\n", cmd, se_cmd->tag); } else { + cmd->cmd_flags |= BIT_19; ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05c, "qla_target(%d): A command in state (%d) should " "not return a CTIO complete\n", vha->vp_idx, cmd->state); @@ -3205,7 +3508,6 @@ skip_term: dump_stack(); } - ha->tgt.tgt_ops->free_cmd(cmd); } @@ -3263,6 +3565,13 @@ static void __qlt_do_work(struct qla_tgt_cmd *cmd) if (tgt->tgt_stop) goto out_term; + if (cmd->state == QLA_TGT_STATE_ABORTED) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf082, + "cmd with tag %u is aborted\n", + cmd->atio.u.isp24.exchange_addr); + goto out_term; + } + cdb = &atio->u.isp24.fcp_cmnd.cdb[0]; cmd->se_cmd.tag = atio->u.isp24.exchange_addr; cmd->unpacked_lun = scsilun_to_int( @@ -3316,6 +3625,12 @@ out_term: static void qlt_do_work(struct work_struct *work) { struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work); + scsi_qla_host_t *vha = cmd->vha; + unsigned long flags; + + spin_lock_irqsave(&vha->cmd_list_lock, flags); + list_del(&cmd->cmd_list); + spin_unlock_irqrestore(&vha->cmd_list_lock, flags); __qlt_do_work(cmd); } @@ -3345,6 +3660,11 @@ static struct qla_tgt_cmd *qlt_get_tag(scsi_qla_host_t *vha, cmd->loop_id = sess->loop_id; cmd->conf_compl_supported = sess->conf_compl_supported; + cmd->cmd_flags = 0; + cmd->jiffies_at_alloc = get_jiffies_64(); + + cmd->reset_count = vha->hw->chip_reset; + return cmd; } @@ -3362,14 +3682,25 @@ static void qlt_create_sess_from_atio(struct work_struct *work) unsigned long flags; uint8_t *s_id = op->atio.u.isp24.fcp_hdr.s_id; + spin_lock_irqsave(&vha->cmd_list_lock, flags); + list_del(&op->cmd_list); + spin_unlock_irqrestore(&vha->cmd_list_lock, flags); + + if (op->aborted) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf083, + "sess_op with tag %u is aborted\n", + op->atio.u.isp24.exchange_addr); + goto out_term; + } + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf022, - "qla_target(%d): Unable to find wwn login" - " (s_id %x:%x:%x), trying to create it manually\n", - vha->vp_idx, s_id[0], s_id[1], s_id[2]); + "qla_target(%d): Unable to find wwn login" + " (s_id %x:%x:%x), trying to create it manually\n", + vha->vp_idx, s_id[0], s_id[1], s_id[2]); if (op->atio.u.raw.entry_count > 1) { ql_dbg(ql_dbg_tgt_mgt, vha, 0xf023, - "Dropping multy entry atio %p\n", &op->atio); + "Dropping multy entry atio %p\n", &op->atio); goto out_term; } @@ -3434,10 +3765,25 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha, memcpy(&op->atio, atio, sizeof(*atio)); op->vha = vha; + + spin_lock(&vha->cmd_list_lock); + list_add_tail(&op->cmd_list, &vha->qla_sess_op_cmd_list); + spin_unlock(&vha->cmd_list_lock); + INIT_WORK(&op->work, qlt_create_sess_from_atio); queue_work(qla_tgt_wq, &op->work); return 0; } + + /* Another WWN used to have our s_id. Our PLOGI scheduled its + * session deletion, but it's still in sess_del_work wq */ + if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { + ql_dbg(ql_dbg_io, vha, 0x3061, + "New command while old session %p is being deleted\n", + sess); + return -EFAULT; + } + /* * Do kref_get() before returning + dropping qla_hw_data->hardware_lock. */ @@ -3451,13 +3797,13 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha, return -ENOMEM; } - cmd->cmd_flags = 0; - cmd->jiffies_at_alloc = get_jiffies_64(); - - cmd->reset_count = vha->hw->chip_reset; - cmd->cmd_in_wq = 1; cmd->cmd_flags |= BIT_0; + + spin_lock(&vha->cmd_list_lock); + list_add_tail(&cmd->cmd_list, &vha->qla_cmd_list); + spin_unlock(&vha->cmd_list_lock); + INIT_WORK(&cmd->work, qlt_do_work); queue_work(qla_tgt_wq, &cmd->work); return 0; @@ -3471,6 +3817,7 @@ static int qlt_issue_task_mgmt(struct qla_tgt_sess *sess, uint32_t lun, struct scsi_qla_host *vha = sess->vha; struct qla_hw_data *ha = vha->hw; struct qla_tgt_mgmt_cmd *mcmd; + struct atio_from_isp *a = (struct atio_from_isp *)iocb; int res; uint8_t tmr_func; @@ -3511,6 +3858,7 @@ static int qlt_issue_task_mgmt(struct qla_tgt_sess *sess, uint32_t lun, ql_dbg(ql_dbg_tgt_tmr, vha, 0x10002, "qla_target(%d): LUN_RESET received\n", sess->vha->vp_idx); tmr_func = TMR_LUN_RESET; + abort_cmds_for_lun(vha, lun, a->u.isp24.fcp_hdr.s_id); break; case QLA_TGT_CLEAR_TS: @@ -3599,6 +3947,9 @@ static int qlt_handle_task_mgmt(struct scsi_qla_host *vha, void *iocb) sizeof(struct atio_from_isp)); } + if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) + return -EFAULT; + return qlt_issue_task_mgmt(sess, unpacked_lun, fn, iocb, 0); } @@ -3664,22 +4015,280 @@ static int qlt_abort_task(struct scsi_qla_host *vha, return __qlt_abort_task(vha, iocb, sess); } +void qlt_logo_completion_handler(fc_port_t *fcport, int rc) +{ + if (fcport->tgt_session) { + if (rc != MBS_COMMAND_COMPLETE) { + ql_dbg(ql_dbg_tgt_mgt, fcport->vha, 0xf093, + "%s: se_sess %p / sess %p from" + " port %8phC loop_id %#04x s_id %02x:%02x:%02x" + " LOGO failed: %#x\n", + __func__, + fcport->tgt_session->se_sess, + fcport->tgt_session, + fcport->port_name, fcport->loop_id, + fcport->d_id.b.domain, fcport->d_id.b.area, + fcport->d_id.b.al_pa, rc); + } + + fcport->tgt_session->logout_completed = 1; + } +} + +static void qlt_swap_imm_ntfy_iocb(struct imm_ntfy_from_isp *a, + struct imm_ntfy_from_isp *b) +{ + struct imm_ntfy_from_isp tmp; + memcpy(&tmp, a, sizeof(struct imm_ntfy_from_isp)); + memcpy(a, b, sizeof(struct imm_ntfy_from_isp)); + memcpy(b, &tmp, sizeof(struct imm_ntfy_from_isp)); +} + +/* +* ha->hardware_lock supposed to be held on entry (to protect tgt->sess_list) +* +* Schedules sessions with matching port_id/loop_id but different wwn for +* deletion. Returns existing session with matching wwn if present. +* Null otherwise. +*/ +static struct qla_tgt_sess * +qlt_find_sess_invalidate_other(struct qla_tgt *tgt, uint64_t wwn, + port_id_t port_id, uint16_t loop_id) +{ + struct qla_tgt_sess *sess = NULL, *other_sess; + uint64_t other_wwn; + + list_for_each_entry(other_sess, &tgt->sess_list, sess_list_entry) { + + other_wwn = wwn_to_u64(other_sess->port_name); + + if (wwn == other_wwn) { + WARN_ON(sess); + sess = other_sess; + continue; + } + + /* find other sess with nport_id collision */ + if (port_id.b24 == other_sess->s_id.b24) { + if (loop_id != other_sess->loop_id) { + ql_dbg(ql_dbg_tgt_tmr, tgt->vha, 0x1000c, + "Invalidating sess %p loop_id %d wwn %llx.\n", + other_sess, other_sess->loop_id, other_wwn); + + /* + * logout_on_delete is set by default, but another + * session that has the same s_id/loop_id combo + * might have cleared it when requested this session + * deletion, so don't touch it + */ + qlt_schedule_sess_for_deletion(other_sess, true); + } else { + /* + * Another wwn used to have our s_id/loop_id + * combo - kill the session, but don't log out + */ + sess->logout_on_delete = 0; + qlt_schedule_sess_for_deletion(other_sess, + true); + } + continue; + } + + /* find other sess with nport handle collision */ + if (loop_id == other_sess->loop_id) { + ql_dbg(ql_dbg_tgt_tmr, tgt->vha, 0x1000d, + "Invalidating sess %p loop_id %d wwn %llx.\n", + other_sess, other_sess->loop_id, other_wwn); + + /* Same loop_id but different s_id + * Ok to kill and logout */ + qlt_schedule_sess_for_deletion(other_sess, true); + } + } + + return sess; +} + +/* Abort any commands for this s_id waiting on qla_tgt_wq workqueue */ +static int abort_cmds_for_s_id(struct scsi_qla_host *vha, port_id_t *s_id) +{ + struct qla_tgt_sess_op *op; + struct qla_tgt_cmd *cmd; + uint32_t key; + int count = 0; + + key = (((u32)s_id->b.domain << 16) | + ((u32)s_id->b.area << 8) | + ((u32)s_id->b.al_pa)); + + spin_lock(&vha->cmd_list_lock); + list_for_each_entry(op, &vha->qla_sess_op_cmd_list, cmd_list) { + uint32_t op_key = sid_to_key(op->atio.u.isp24.fcp_hdr.s_id); + if (op_key == key) { + op->aborted = true; + count++; + } + } + list_for_each_entry(cmd, &vha->qla_cmd_list, cmd_list) { + uint32_t cmd_key = sid_to_key(cmd->atio.u.isp24.fcp_hdr.s_id); + if (cmd_key == key) { + cmd->state = QLA_TGT_STATE_ABORTED; + count++; + } + } + spin_unlock(&vha->cmd_list_lock); + + return count; +} + /* * ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire */ static int qlt_24xx_handle_els(struct scsi_qla_host *vha, struct imm_ntfy_from_isp *iocb) { + struct qla_tgt *tgt = vha->vha_tgt.qla_tgt; + struct qla_hw_data *ha = vha->hw; + struct qla_tgt_sess *sess = NULL; + uint64_t wwn; + port_id_t port_id; + uint16_t loop_id; + uint16_t wd3_lo; int res = 0; + wwn = wwn_to_u64(iocb->u.isp24.port_name); + + port_id.b.domain = iocb->u.isp24.port_id[2]; + port_id.b.area = iocb->u.isp24.port_id[1]; + port_id.b.al_pa = iocb->u.isp24.port_id[0]; + port_id.b.rsvd_1 = 0; + + loop_id = le16_to_cpu(iocb->u.isp24.nport_handle); + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf026, "qla_target(%d): Port ID: 0x%3phC ELS opcode: 0x%02x\n", vha->vp_idx, iocb->u.isp24.port_id, iocb->u.isp24.status_subcode); + /* res = 1 means ack at the end of thread + * res = 0 means ack async/later. + */ switch (iocb->u.isp24.status_subcode) { case ELS_PLOGI: - case ELS_FLOGI: + + /* Mark all stale commands in qla_tgt_wq for deletion */ + abort_cmds_for_s_id(vha, &port_id); + + if (wwn) + sess = qlt_find_sess_invalidate_other(tgt, wwn, + port_id, loop_id); + + if (!sess || IS_SW_RESV_ADDR(sess->s_id)) { + res = 1; + break; + } + + if (sess->plogi_ack_needed) { + /* + * Initiator sent another PLOGI before last PLOGI could + * finish. Swap plogi iocbs and terminate old one + * without acking, new one will get acked when session + * deletion completes. + */ + ql_log(ql_log_warn, sess->vha, 0xf094, + "sess %p received double plogi.\n", sess); + + qlt_swap_imm_ntfy_iocb(iocb, &sess->tm_iocb); + + qlt_send_term_imm_notif(vha, iocb, 1); + + res = 0; + break; + } + + res = 0; + + /* + * Save immediate Notif IOCB for Ack when sess is done + * and being deleted. + */ + memcpy(&sess->tm_iocb, iocb, sizeof(sess->tm_iocb)); + sess->plogi_ack_needed = 1; + + /* + * Under normal circumstances we want to release nport handle + * during LOGO process to avoid nport handle leaks inside FW. + * The exception is when LOGO is done while another PLOGI with + * the same nport handle is waiting as might be the case here. + * Note: there is always a possibily of a race where session + * deletion has already started for other reasons (e.g. ACL + * removal) and now PLOGI arrives: + * 1. if PLOGI arrived in FW after nport handle has been freed, + * FW must have assigned this PLOGI a new/same handle and we + * can proceed ACK'ing it as usual when session deletion + * completes. + * 2. if PLOGI arrived in FW before LOGO with LCF_FREE_NPORT + * bit reached it, the handle has now been released. We'll + * get an error when we ACK this PLOGI. Nothing will be sent + * back to initiator. Initiator should eventually retry + * PLOGI and situation will correct itself. + */ + sess->keep_nport_handle = ((sess->loop_id == loop_id) && + (sess->s_id.b24 == port_id.b24)); + qlt_schedule_sess_for_deletion(sess, true); + break; + case ELS_PRLI: + wd3_lo = le16_to_cpu(iocb->u.isp24.u.prli.wd3_lo); + + if (wwn) + sess = qlt_find_sess_invalidate_other(tgt, wwn, port_id, + loop_id); + + if (sess != NULL) { + if (sess->deleted) { + /* + * Impatient initiator sent PRLI before last + * PLOGI could finish. Will force him to re-try, + * while last one finishes. + */ + ql_log(ql_log_warn, sess->vha, 0xf095, + "sess %p PRLI received, before plogi ack.\n", + sess); + qlt_send_term_imm_notif(vha, iocb, 1); + res = 0; + break; + } + + /* + * This shouldn't happen under normal circumstances, + * since we have deleted the old session during PLOGI + */ + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf096, + "PRLI (loop_id %#04x) for existing sess %p (loop_id %#04x)\n", + sess->loop_id, sess, iocb->u.isp24.nport_handle); + + sess->local = 0; + sess->loop_id = loop_id; + sess->s_id = port_id; + + if (wd3_lo & BIT_7) + sess->conf_compl_supported = 1; + + } + res = 1; /* send notify ack */ + + /* Make session global (not used in fabric mode) */ + if (ha->current_topology != ISP_CFG_F) { + set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); + set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); + } else { + /* todo: else - create sess here. */ + res = 1; /* send notify ack */ + } + + break; + case ELS_LOGO: case ELS_PRLO: res = qlt_reset(vha, iocb, QLA_TGT_NEXUS_LOSS_SESS); @@ -3697,6 +4306,7 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha, break; } + case ELS_FLOGI: /* should never happen */ default: ql_dbg(ql_dbg_tgt_mgt, vha, 0xf061, "qla_target(%d): Unsupported ELS command %x " @@ -5012,6 +5622,11 @@ static void qlt_abort_work(struct qla_tgt *tgt, if (!sess) goto out_term; } else { + if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { + sess = NULL; + goto out_term; + } + kref_get(&sess->se_sess->sess_kref); } @@ -5066,6 +5681,11 @@ static void qlt_tmr_work(struct qla_tgt *tgt, if (!sess) goto out_term; } else { + if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { + sess = NULL; + goto out_term; + } + kref_get(&sess->se_sess->sess_kref); } @@ -5552,6 +6172,7 @@ qlt_24xx_process_atio_queue(struct scsi_qla_host *vha) /* Adjust ring index */ WRT_REG_DWORD(ISP_ATIO_Q_OUT(vha), ha->tgt.atio_ring_index); + RD_REG_DWORD_RELAXED(ISP_ATIO_Q_OUT(vha)); } void @@ -5793,7 +6414,7 @@ qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha) if (!QLA_TGT_MODE_ENABLED()) return; - if (ha->mqenable || IS_QLA83XX(ha)) { + if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) { ISP_ATIO_Q_IN(base_vha) = &ha->mqiobase->isp25mq.atio_q_in; ISP_ATIO_Q_OUT(base_vha) = &ha->mqiobase->isp25mq.atio_q_out; } else { diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index 985d76dd706b..bca584ae45b7 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -167,7 +167,24 @@ struct imm_ntfy_from_isp { uint32_t srr_rel_offs; uint16_t srr_ui; uint16_t srr_ox_id; - uint8_t reserved_4[19]; + union { + struct { + uint8_t node_name[8]; + } plogi; /* PLOGI/ADISC/PDISC */ + struct { + /* PRLI word 3 bit 0-15 */ + uint16_t wd3_lo; + uint8_t resv0[6]; + } prli; + struct { + uint8_t port_id[3]; + uint8_t resv1; + uint16_t nport_handle; + uint16_t resv2; + } req_els; + } u; + uint8_t port_name[8]; + uint8_t resv3[3]; uint8_t vp_index; uint32_t reserved_5; uint8_t port_id[3]; @@ -234,6 +251,7 @@ struct nack_to_isp { uint8_t reserved[2]; uint16_t ox_id; } __packed; +#define NOTIFY_ACK_FLAGS_TERMINATE BIT_3 #define NOTIFY_ACK_SRR_FLAGS_ACCEPT 0 #define NOTIFY_ACK_SRR_FLAGS_REJECT 1 @@ -790,13 +808,6 @@ int qla2x00_wait_for_hba_online(struct scsi_qla_host *); #define FC_TM_REJECT 4 #define FC_TM_FAILED 5 -/* - * Error code of qlt_pre_xmit_response() meaning that cmd's exchange was - * terminated, so no more actions is needed and success should be returned - * to target. - */ -#define QLA_TGT_PRE_XMIT_RESP_CMD_ABORTED 0x1717 - #if (BITS_PER_LONG > 32) || defined(CONFIG_HIGHMEM64G) #define pci_dma_lo32(a) (a & 0xffffffff) #define pci_dma_hi32(a) ((((a) >> 16)>>16) & 0xffffffff) @@ -874,6 +885,15 @@ struct qla_tgt_sess_op { struct scsi_qla_host *vha; struct atio_from_isp atio; struct work_struct work; + struct list_head cmd_list; + bool aborted; +}; + +enum qla_sess_deletion { + QLA_SESS_DELETION_NONE = 0, + QLA_SESS_DELETION_PENDING = 1, /* hopefully we can get rid of + * this one */ + QLA_SESS_DELETION_IN_PROGRESS = 2, }; /* @@ -884,8 +904,15 @@ struct qla_tgt_sess { port_id_t s_id; unsigned int conf_compl_supported:1; - unsigned int deleted:1; + unsigned int deleted:2; unsigned int local:1; + unsigned int logout_on_delete:1; + unsigned int plogi_ack_needed:1; + unsigned int keep_nport_handle:1; + + unsigned char logout_completed; + + int generation; struct se_session *se_sess; struct scsi_qla_host *vha; @@ -897,6 +924,10 @@ struct qla_tgt_sess { uint8_t port_name[WWN_SIZE]; struct work_struct free_work; + + union { + struct imm_ntfy_from_isp tm_iocb; + }; }; struct qla_tgt_cmd { @@ -912,7 +943,6 @@ struct qla_tgt_cmd { unsigned int conf_compl_supported:1; unsigned int sg_mapped:1; unsigned int free_sg:1; - unsigned int aborted:1; /* Needed in case of SRR */ unsigned int write_data_transferred:1; unsigned int ctx_dsd_alloced:1; unsigned int q_full:1; @@ -961,6 +991,9 @@ struct qla_tgt_cmd { * BIT_14 - Back end data received/sent. * BIT_15 - SRR prepare ctio * BIT_16 - complete free + * BIT_17 - flush - qlt_abort_cmd_on_host_reset + * BIT_18 - completion w/abort status + * BIT_19 - completion w/unknown status */ uint32_t cmd_flags; }; @@ -1026,6 +1059,10 @@ struct qla_tgt_srr_ctio { struct qla_tgt_cmd *cmd; }; +/* Check for Switch reserved address */ +#define IS_SW_RESV_ADDR(_s_id) \ + ((_s_id.b.domain == 0xff) && (_s_id.b.area == 0xfc)) + #define QLA_TGT_XMIT_DATA 1 #define QLA_TGT_XMIT_STATUS 2 #define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA) @@ -1043,7 +1080,7 @@ extern int qlt_lport_register(void *, u64, u64, u64, extern void qlt_lport_deregister(struct scsi_qla_host *); extern void qlt_unreg_sess(struct qla_tgt_sess *); extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *); -extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *); +extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int); extern int __init qlt_init(void); extern void qlt_exit(void); extern void qlt_update_vp_map(struct scsi_qla_host *, int); @@ -1073,12 +1110,23 @@ static inline void qla_reverse_ini_mode(struct scsi_qla_host *ha) ha->host->active_mode |= MODE_INITIATOR; } +static inline uint32_t sid_to_key(const uint8_t *s_id) +{ + uint32_t key; + + key = (((unsigned long)s_id[0] << 16) | + ((unsigned long)s_id[1] << 8) | + (unsigned long)s_id[2]); + return key; +} + /* * Exported symbols from qla_target.c LLD logic used by qla2xxx code.. */ extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, response_t *); extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *); extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t); +extern void qlt_abort_cmd(struct qla_tgt_cmd *); extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *); extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *); extern void qlt_free_cmd(struct qla_tgt_cmd *cmd); @@ -1109,5 +1157,7 @@ extern void qlt_stop_phase2(struct qla_tgt *); extern irqreturn_t qla83xx_msix_atio_q(int, void *); extern void qlt_83xx_iospace_config(struct qla_hw_data *); extern int qlt_free_qfull_cmds(struct scsi_qla_host *); +extern void qlt_logo_completion_handler(fc_port_t *, int); +extern void qlt_do_generation_tick(struct scsi_qla_host *, int *); #endif /* __QLA_TARGET_H */ diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index d9a8c6084346..9224a06646e6 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -374,7 +374,7 @@ static int tcm_qla2xxx_write_pending(struct se_cmd *se_cmd) { struct qla_tgt_cmd *cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd); - + cmd->cmd_flags |= BIT_3; cmd->bufflen = se_cmd->data_length; cmd->dma_data_direction = target_reverse_dma_direction(se_cmd); @@ -405,7 +405,7 @@ static int tcm_qla2xxx_write_pending_status(struct se_cmd *se_cmd) se_cmd->t_state == TRANSPORT_COMPLETE_QF_WP) { spin_unlock_irqrestore(&se_cmd->t_state_lock, flags); wait_for_completion_timeout(&se_cmd->t_transport_stop_comp, - 3000); + 3 * HZ); return 0; } spin_unlock_irqrestore(&se_cmd->t_state_lock, flags); @@ -541,12 +541,10 @@ static int tcm_qla2xxx_queue_data_in(struct se_cmd *se_cmd) cmd->cmd_flags |= BIT_4; cmd->bufflen = se_cmd->data_length; cmd->dma_data_direction = target_reverse_dma_direction(se_cmd); - cmd->aborted = (se_cmd->transport_state & CMD_T_ABORTED); cmd->sg_cnt = se_cmd->t_data_nents; cmd->sg = se_cmd->t_data_sg; cmd->offset = 0; - cmd->cmd_flags |= BIT_3; cmd->prot_sg_cnt = se_cmd->t_prot_nents; cmd->prot_sg = se_cmd->t_prot_sg; @@ -571,7 +569,6 @@ static int tcm_qla2xxx_queue_status(struct se_cmd *se_cmd) cmd->sg_cnt = 0; cmd->offset = 0; cmd->dma_data_direction = target_reverse_dma_direction(se_cmd); - cmd->aborted = (se_cmd->transport_state & CMD_T_ABORTED); if (cmd->cmd_flags & BIT_5) { pr_crit("Bit_5 already set for cmd = %p.\n", cmd); dump_stack(); @@ -636,14 +633,7 @@ static void tcm_qla2xxx_aborted_task(struct se_cmd *se_cmd) { struct qla_tgt_cmd *cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd); - struct scsi_qla_host *vha = cmd->vha; - struct qla_hw_data *ha = vha->hw; - - if (!cmd->sg_mapped) - return; - - pci_unmap_sg(ha->pdev, cmd->sg, cmd->sg_cnt, cmd->dma_data_direction); - cmd->sg_mapped = 0; + qlt_abort_cmd(cmd); } static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport *, @@ -1149,9 +1139,7 @@ static struct qla_tgt_sess *tcm_qla2xxx_find_sess_by_s_id( return NULL; } - key = (((unsigned long)s_id[0] << 16) | - ((unsigned long)s_id[1] << 8) | - (unsigned long)s_id[2]); + key = sid_to_key(s_id); pr_debug("find_sess_by_s_id: 0x%06x\n", key); se_nacl = btree_lookup32(&lport->lport_fcport_map, key); @@ -1186,9 +1174,7 @@ static void tcm_qla2xxx_set_sess_by_s_id( void *slot; int rc; - key = (((unsigned long)s_id[0] << 16) | - ((unsigned long)s_id[1] << 8) | - (unsigned long)s_id[2]); + key = sid_to_key(s_id); pr_debug("set_sess_by_s_id: %06x\n", key); slot = btree_lookup32(&lport->lport_fcport_map, key); @@ -1544,6 +1530,10 @@ static void tcm_qla2xxx_update_sess(struct qla_tgt_sess *sess, port_id_t s_id, } sess->conf_compl_supported = conf_compl_supported; + + /* Reset logout parameters to default */ + sess->logout_on_delete = 1; + sess->keep_nport_handle = 0; } /* diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 106884a5444e..6457a8a0db9c 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -26,7 +26,6 @@ #include <linux/blkdev.h> #include <linux/delay.h> #include <linux/jiffies.h> -#include <asm/unaligned.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -944,7 +943,7 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses, scmd->sdb.length); scmd->sdb.table.sgl = &ses->sense_sgl; scmd->sc_data_direction = DMA_FROM_DEVICE; - scmd->sdb.table.nents = 1; + scmd->sdb.table.nents = scmd->sdb.table.orig_nents = 1; scmd->cmnd[0] = REQUEST_SENSE; scmd->cmnd[4] = scmd->sdb.length; scmd->cmd_len = COMMAND_SIZE(scmd->cmnd[0]); @@ -2523,33 +2522,3 @@ void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq) } } EXPORT_SYMBOL(scsi_build_sense_buffer); - -/** - * scsi_set_sense_information - set the information field in a - * formatted sense data buffer - * @buf: Where to build sense data - * @info: 64-bit information value to be set - * - **/ -void scsi_set_sense_information(u8 *buf, u64 info) -{ - if ((buf[0] & 0x7f) == 0x72) { - u8 *ucp, len; - - len = buf[7]; - ucp = (char *)scsi_sense_desc_find(buf, len + 8, 0); - if (!ucp) { - buf[7] = len + 0xa; - ucp = buf + 8 + len; - } - ucp[0] = 0; - ucp[1] = 0xa; - ucp[2] = 0x80; /* Valid bit */ - ucp[3] = 0; - put_unaligned_be64(info, &ucp[4]); - } else if ((buf[0] & 0x7f) == 0x70) { - buf[0] |= 0x80; - put_unaligned_be64(info, &buf[3]); - } -} -EXPORT_SYMBOL(scsi_set_sense_information); diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index b1a263137a23..448ebdaa3d69 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -583,7 +583,7 @@ static struct scatterlist *scsi_sg_alloc(unsigned int nents, gfp_t gfp_mask) static void scsi_free_sgtable(struct scsi_data_buffer *sdb, bool mq) { - if (mq && sdb->table.nents <= SCSI_MAX_SG_SEGMENTS) + if (mq && sdb->table.orig_nents <= SCSI_MAX_SG_SEGMENTS) return; __sg_free_table(&sdb->table, SCSI_MAX_SG_SEGMENTS, mq, scsi_sg_free); } @@ -597,8 +597,8 @@ static int scsi_alloc_sgtable(struct scsi_data_buffer *sdb, int nents, bool mq) if (mq) { if (nents <= SCSI_MAX_SG_SEGMENTS) { - sdb->table.nents = nents; - sg_init_table(sdb->table.sgl, sdb->table.nents); + sdb->table.nents = sdb->table.orig_nents = nents; + sg_init_table(sdb->table.sgl, nents); return 0; } first_chunk = sdb->table.sgl; diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c index 9e43ae1d2163..e4b799837948 100644 --- a/drivers/scsi/scsi_pm.c +++ b/drivers/scsi/scsi_pm.c @@ -217,15 +217,15 @@ static int sdev_runtime_suspend(struct device *dev) { const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; struct scsi_device *sdev = to_scsi_device(dev); - int err; + int err = 0; - err = blk_pre_runtime_suspend(sdev->request_queue); - if (err) - return err; - if (pm && pm->runtime_suspend) + if (pm && pm->runtime_suspend) { + err = blk_pre_runtime_suspend(sdev->request_queue); + if (err) + return err; err = pm->runtime_suspend(dev); - blk_post_runtime_suspend(sdev->request_queue, err); - + blk_post_runtime_suspend(sdev->request_queue, err); + } return err; } @@ -248,11 +248,11 @@ static int sdev_runtime_resume(struct device *dev) const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; int err = 0; - blk_pre_runtime_resume(sdev->request_queue); - if (pm && pm->runtime_resume) + if (pm && pm->runtime_resume) { + blk_pre_runtime_resume(sdev->request_queue); err = pm->runtime_resume(dev); - blk_post_runtime_resume(sdev->request_queue, err); - + blk_post_runtime_resume(sdev->request_queue, err); + } return err; } diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 1ac38e73df7e..9ad41168d26d 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -859,7 +859,7 @@ sdev_store_queue_depth(struct device *dev, struct device_attribute *attr, depth = simple_strtoul(buf, NULL, 0); - if (depth < 1 || depth > sht->can_queue) + if (depth < 1 || depth > sdev->host->can_queue) return -EINVAL; retval = sht->change_queue_depth(sdev, depth); diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c index a85292b1d09d..e3cd3ece4412 100644 --- a/drivers/scsi/scsi_transport_srp.c +++ b/drivers/scsi/scsi_transport_srp.c @@ -203,7 +203,7 @@ static ssize_t srp_show_tmo(char *buf, int tmo) return tmo >= 0 ? sprintf(buf, "%d\n", tmo) : sprintf(buf, "off\n"); } -static int srp_parse_tmo(int *tmo, const char *buf) +int srp_parse_tmo(int *tmo, const char *buf) { int res = 0; @@ -214,6 +214,7 @@ static int srp_parse_tmo(int *tmo, const char *buf) return res; } +EXPORT_SYMBOL(srp_parse_tmo); static ssize_t show_reconnect_delay(struct device *dev, struct device_attribute *attr, char *buf) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 3b2fcb4fada0..a20da8c25b4f 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2770,9 +2770,9 @@ static int sd_revalidate_disk(struct gendisk *disk) max_xfer = sdkp->max_xfer_blocks; max_xfer <<= ilog2(sdp->sector_size) - 9; - max_xfer = min_not_zero(queue_max_hw_sectors(sdkp->disk->queue), - max_xfer); - blk_queue_max_hw_sectors(sdkp->disk->queue, max_xfer); + sdkp->disk->queue->limits.max_sectors = + min_not_zero(queue_max_hw_sectors(sdkp->disk->queue), max_xfer); + set_capacity(disk, sdkp->capacity); sd_config_write_same(sdkp); kfree(buffer); diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 3f25b8fa921d..871f3553987d 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -1329,9 +1329,9 @@ static int st_open(struct inode *inode, struct file *filp) spin_lock(&st_use_lock); STp->in_use = 0; spin_unlock(&st_use_lock); - scsi_tape_put(STp); if (resumed) scsi_autopm_put_device(STp->device); + scsi_tape_put(STp); return retval; } diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 285f77544c36..7dbbb29d24c6 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -949,7 +949,7 @@ static int virtscsi_probe(struct virtio_device *vdev) { struct Scsi_Host *shost; struct virtio_scsi *vscsi; - int err, host_prot; + int err; u32 sg_elems, num_targets; u32 cmd_per_lun; u32 num_queues; @@ -1009,6 +1009,8 @@ static int virtscsi_probe(struct virtio_device *vdev) #ifdef CONFIG_BLK_DEV_INTEGRITY if (virtio_has_feature(vdev, VIRTIO_SCSI_F_T10_PI)) { + int host_prot; + host_prot = SHOST_DIF_TYPE1_PROTECTION | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION | SHOST_DIX_TYPE1_PROTECTION | SHOST_DIX_TYPE2_PROTECTION | SHOST_DIX_TYPE3_PROTECTION; diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 0cae1694014d..b0f30fb68914 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -612,7 +612,7 @@ config SPI_XTENSA_XTFPGA config SPI_ZYNQMP_GQSPI tristate "Xilinx ZynqMP GQSPI controller" - depends on SPI_MASTER + depends on SPI_MASTER && HAS_DMA help Enables Xilinx GQSPI controller driver for Zynq UltraScale+ MPSoC. diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c index 788e2b176a4f..acce90ac7371 100644 --- a/drivers/spi/spi-img-spfi.c +++ b/drivers/spi/spi-img-spfi.c @@ -40,6 +40,7 @@ #define SPFI_CONTROL_SOFT_RESET BIT(11) #define SPFI_CONTROL_SEND_DMA BIT(10) #define SPFI_CONTROL_GET_DMA BIT(9) +#define SPFI_CONTROL_SE BIT(8) #define SPFI_CONTROL_TMODE_SHIFT 5 #define SPFI_CONTROL_TMODE_MASK 0x7 #define SPFI_CONTROL_TMODE_SINGLE 0 @@ -491,6 +492,7 @@ static void img_spfi_config(struct spi_master *master, struct spi_device *spi, else if (xfer->tx_nbits == SPI_NBITS_QUAD && xfer->rx_nbits == SPI_NBITS_QUAD) val |= SPFI_CONTROL_TMODE_QUAD << SPFI_CONTROL_TMODE_SHIFT; + val |= SPFI_CONTROL_SE; spfi_writel(spfi, val, SPFI_CONTROL); } diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index eb7d3a6fb14c..f9deb84e4e55 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -201,8 +201,9 @@ static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi, { struct spi_imx_data *spi_imx = spi_master_get_devdata(master); - if (spi_imx->dma_is_inited && (transfer->len > spi_imx->rx_wml) - && (transfer->len > spi_imx->tx_wml)) + if (spi_imx->dma_is_inited + && transfer->len > spi_imx->rx_wml * sizeof(u32) + && transfer->len > spi_imx->tx_wml * sizeof(u32)) return true; return false; } diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c index 87b20a511a6b..f23f36ebaf3d 100644 --- a/drivers/spi/spi-zynqmp-gqspi.c +++ b/drivers/spi/spi-zynqmp-gqspi.c @@ -214,6 +214,7 @@ static void zynqmp_gqspi_selectslave(struct zynqmp_qspi *instanceptr, case GQSPI_SELECT_FLASH_CS_BOTH: instanceptr->genfifocs = GQSPI_GENFIFO_CS_LOWER | GQSPI_GENFIFO_CS_UPPER; + break; case GQSPI_SELECT_FLASH_CS_UPPER: instanceptr->genfifocs = GQSPI_GENFIFO_CS_UPPER; break; diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index dd616ff0ffc5..c7de64171c45 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -693,6 +693,7 @@ static struct class *spidev_class; #ifdef CONFIG_OF static const struct of_device_id spidev_dt_ids[] = { { .compatible = "rohm,dh2228fv" }, + { .compatible = "lineartechnology,ltc2488" }, {}, }; MODULE_DEVICE_TABLE(of, spidev_dt_ids); diff --git a/drivers/staging/board/Kconfig b/drivers/staging/board/Kconfig index b8ee81840666..3f287c48e082 100644 --- a/drivers/staging/board/Kconfig +++ b/drivers/staging/board/Kconfig @@ -1,6 +1,6 @@ config STAGING_BOARD bool "Staging Board Support" - depends on OF_ADDRESS + depends on OF_ADDRESS && OF_IRQ && CLKDEV_LOOKUP help Select to enable per-board staging support code. diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c index bfa42620a3f6..940781183fac 100644 --- a/drivers/staging/comedi/drivers/das1800.c +++ b/drivers/staging/comedi/drivers/das1800.c @@ -1266,6 +1266,7 @@ static const struct das1800_board *das1800_probe(struct comedi_device *dev) if (index == das1801hc || index == das1802hc) return board; index = das1801hc; + break; default: dev_err(dev->class_dev, "Board model: probe returned 0x%x (unknown, please report)\n", diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h index 7125eb955ae5..8a9d4a0de129 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h @@ -31,7 +31,6 @@ #define DEBUG_PORTAL_ALLOC #define DEBUG_SUBSYSTEM S_LND -#include <asm/irq.h> #include <linux/crc32.h> #include <linux/errno.h> #include <linux/if.h> diff --git a/drivers/staging/lustre/lustre/obdclass/debug.c b/drivers/staging/lustre/lustre/obdclass/debug.c index 9c934e6d2ea1..c61add46b426 100644 --- a/drivers/staging/lustre/lustre/obdclass/debug.c +++ b/drivers/staging/lustre/lustre/obdclass/debug.c @@ -40,7 +40,7 @@ #define DEBUG_SUBSYSTEM D_OTHER -#include <linux/unaligned/access_ok.h> +#include <asm/unaligned.h> #include "../include/obd_support.h" #include "../include/lustre_debug.h" diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index ed040fbb7df8..69bdc8f29b59 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1418,7 +1418,7 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, priv->current_aid = conf->aid; - if (changed & BSS_CHANGED_BSSID) { + if (changed & BSS_CHANGED_BSSID && conf->bssid) { unsigned long flags; spin_lock_irqsave(&priv->lock, flags); @@ -1483,8 +1483,9 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, } } - if (changed & BSS_CHANGED_ASSOC && priv->op_mode != NL80211_IFTYPE_AP) { - if (conf->assoc) { + if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INFO) && + priv->op_mode != NL80211_IFTYPE_AP) { + if (conf->assoc && conf->beacon_rate) { CARDbUpdateTSF(priv, conf->beacon_rate->hw_value, conf->sync_tsf); diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index f97323f19acf..af572d718135 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -701,7 +701,7 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, priv->current_aid = conf->aid; - if (changed & BSS_CHANGED_BSSID) + if (changed & BSS_CHANGED_BSSID && conf->bssid) vnt_mac_set_bssid_addr(priv, (u8 *)conf->bssid); diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 4e68b62193ed..fd092909a457 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -968,9 +968,9 @@ int iscsit_setup_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, cmd->cmd_flags |= ICF_NON_IMMEDIATE_UNSOLICITED_DATA; conn->sess->init_task_tag = cmd->init_task_tag = hdr->itt; - if (hdr->flags & ISCSI_FLAG_CMD_READ) { + if (hdr->flags & ISCSI_FLAG_CMD_READ) cmd->targ_xfer_tag = session_get_next_ttt(conn->sess); - } else if (hdr->flags & ISCSI_FLAG_CMD_WRITE) + else cmd->targ_xfer_tag = 0xFFFFFFFF; cmd->cmd_sn = be32_to_cpu(hdr->cmdsn); cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn); @@ -3998,7 +3998,13 @@ get_immediate: } transport_err: - iscsit_take_action_for_connection_exit(conn); + /* + * Avoid the normal connection failure code-path if this connection + * is still within LOGIN mode, and iscsi_np process context is + * responsible for cleaning up the early connection failure. + */ + if (conn->conn_state != TARG_CONN_STATE_IN_LOGIN) + iscsit_take_action_for_connection_exit(conn); out: return 0; } @@ -4082,7 +4088,7 @@ reject: int iscsi_target_rx_thread(void *arg) { - int ret; + int ret, rc; u8 buffer[ISCSI_HDR_LEN], opcode; u32 checksum = 0, digest = 0; struct iscsi_conn *conn = arg; @@ -4092,10 +4098,16 @@ int iscsi_target_rx_thread(void *arg) * connection recovery / failure event can be triggered externally. */ allow_signal(SIGINT); + /* + * Wait for iscsi_post_login_handler() to complete before allowing + * incoming iscsi/tcp socket I/O, and/or failing the connection. + */ + rc = wait_for_completion_interruptible(&conn->rx_login_comp); + if (rc < 0) + return 0; if (conn->conn_transport->transport_type == ISCSI_INFINIBAND) { struct completion comp; - int rc; init_completion(&comp); rc = wait_for_completion_interruptible(&comp); @@ -4532,7 +4544,18 @@ static void iscsit_logout_post_handler_closesession( struct iscsi_conn *conn) { struct iscsi_session *sess = conn->sess; - int sleep = cmpxchg(&conn->tx_thread_active, true, false); + int sleep = 1; + /* + * Traditional iscsi/tcp will invoke this logic from TX thread + * context during session logout, so clear tx_thread_active and + * sleep if iscsit_close_connection() has not already occured. + * + * Since iser-target invokes this logic from it's own workqueue, + * always sleep waiting for RX/TX thread shutdown to complete + * within iscsit_close_connection(). + */ + if (conn->conn_transport->transport_type == ISCSI_TCP) + sleep = cmpxchg(&conn->tx_thread_active, true, false); atomic_set(&conn->conn_logout_remove, 0); complete(&conn->conn_logout_comp); @@ -4546,7 +4569,10 @@ static void iscsit_logout_post_handler_closesession( static void iscsit_logout_post_handler_samecid( struct iscsi_conn *conn) { - int sleep = cmpxchg(&conn->tx_thread_active, true, false); + int sleep = 1; + + if (conn->conn_transport->transport_type == ISCSI_TCP) + sleep = cmpxchg(&conn->tx_thread_active, true, false); atomic_set(&conn->conn_logout_remove, 0); complete(&conn->conn_logout_comp); @@ -4765,6 +4791,7 @@ int iscsit_release_sessions_for_tpg(struct iscsi_portal_group *tpg, int force) struct iscsi_session *sess; struct se_portal_group *se_tpg = &tpg->tpg_se_tpg; struct se_session *se_sess, *se_sess_tmp; + LIST_HEAD(free_list); int session_count = 0; spin_lock_bh(&se_tpg->session_lock); @@ -4786,14 +4813,17 @@ int iscsit_release_sessions_for_tpg(struct iscsi_portal_group *tpg, int force) } atomic_set(&sess->session_reinstatement, 1); spin_unlock(&sess->conn_lock); - spin_unlock_bh(&se_tpg->session_lock); - iscsit_free_session(sess); - spin_lock_bh(&se_tpg->session_lock); + list_move_tail(&se_sess->sess_list, &free_list); + } + spin_unlock_bh(&se_tpg->session_lock); + + list_for_each_entry_safe(se_sess, se_sess_tmp, &free_list, sess_list) { + sess = (struct iscsi_session *)se_sess->fabric_sess_ptr; + iscsit_free_session(sess); session_count++; } - spin_unlock_bh(&se_tpg->session_lock); pr_debug("Released %d iSCSI Session(s) from Target Portal" " Group: %hu\n", session_count, tpg->tpgt); diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index 3d0fe4ff5590..7e8f65e5448f 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -82,6 +82,7 @@ static struct iscsi_login *iscsi_login_init_conn(struct iscsi_conn *conn) init_completion(&conn->conn_logout_comp); init_completion(&conn->rx_half_close_comp); init_completion(&conn->tx_half_close_comp); + init_completion(&conn->rx_login_comp); spin_lock_init(&conn->cmd_lock); spin_lock_init(&conn->conn_usage_lock); spin_lock_init(&conn->immed_queue_lock); @@ -644,7 +645,7 @@ static void iscsi_post_login_start_timers(struct iscsi_conn *conn) iscsit_start_nopin_timer(conn); } -static int iscsit_start_kthreads(struct iscsi_conn *conn) +int iscsit_start_kthreads(struct iscsi_conn *conn) { int ret = 0; @@ -679,6 +680,7 @@ static int iscsit_start_kthreads(struct iscsi_conn *conn) return 0; out_tx: + send_sig(SIGINT, conn->tx_thread, 1); kthread_stop(conn->tx_thread); conn->tx_thread_active = false; out_bitmap: @@ -689,7 +691,7 @@ out_bitmap: return ret; } -int iscsi_post_login_handler( +void iscsi_post_login_handler( struct iscsi_np *np, struct iscsi_conn *conn, u8 zero_tsih) @@ -699,7 +701,6 @@ int iscsi_post_login_handler( struct se_session *se_sess = sess->se_sess; struct iscsi_portal_group *tpg = sess->tpg; struct se_portal_group *se_tpg = &tpg->tpg_se_tpg; - int rc; iscsit_inc_conn_usage_count(conn); @@ -739,10 +740,6 @@ int iscsi_post_login_handler( sess->sess_ops->InitiatorName); spin_unlock_bh(&sess->conn_lock); - rc = iscsit_start_kthreads(conn); - if (rc) - return rc; - iscsi_post_login_start_timers(conn); /* * Determine CPU mask to ensure connection's RX and TX kthreads @@ -751,15 +748,20 @@ int iscsi_post_login_handler( iscsit_thread_get_cpumask(conn); conn->conn_rx_reset_cpumask = 1; conn->conn_tx_reset_cpumask = 1; - + /* + * Wakeup the sleeping iscsi_target_rx_thread() now that + * iscsi_conn is in TARG_CONN_STATE_LOGGED_IN state. + */ + complete(&conn->rx_login_comp); iscsit_dec_conn_usage_count(conn); + if (stop_timer) { spin_lock_bh(&se_tpg->session_lock); iscsit_stop_time2retain_timer(sess); spin_unlock_bh(&se_tpg->session_lock); } iscsit_dec_session_usage_count(sess); - return 0; + return; } iscsi_set_session_parameters(sess->sess_ops, conn->param_list, 1); @@ -800,10 +802,6 @@ int iscsi_post_login_handler( " iSCSI Target Portal Group: %hu\n", tpg->nsessions, tpg->tpgt); spin_unlock_bh(&se_tpg->session_lock); - rc = iscsit_start_kthreads(conn); - if (rc) - return rc; - iscsi_post_login_start_timers(conn); /* * Determine CPU mask to ensure connection's RX and TX kthreads @@ -812,10 +810,12 @@ int iscsi_post_login_handler( iscsit_thread_get_cpumask(conn); conn->conn_rx_reset_cpumask = 1; conn->conn_tx_reset_cpumask = 1; - + /* + * Wakeup the sleeping iscsi_target_rx_thread() now that + * iscsi_conn is in TARG_CONN_STATE_LOGGED_IN state. + */ + complete(&conn->rx_login_comp); iscsit_dec_conn_usage_count(conn); - - return 0; } static void iscsi_handle_login_thread_timeout(unsigned long data) @@ -1380,23 +1380,12 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) if (ret < 0) goto new_sess_out; - if (!conn->sess) { - pr_err("struct iscsi_conn session pointer is NULL!\n"); - goto new_sess_out; - } - iscsi_stop_login_thread_timer(np); - if (signal_pending(current)) - goto new_sess_out; - if (ret == 1) { tpg_np = conn->tpg_np; - ret = iscsi_post_login_handler(np, conn, zero_tsih); - if (ret < 0) - goto new_sess_out; - + iscsi_post_login_handler(np, conn, zero_tsih); iscsit_deaccess_np(np, tpg, tpg_np); } diff --git a/drivers/target/iscsi/iscsi_target_login.h b/drivers/target/iscsi/iscsi_target_login.h index 1c7358081533..57aa0d0fd820 100644 --- a/drivers/target/iscsi/iscsi_target_login.h +++ b/drivers/target/iscsi/iscsi_target_login.h @@ -12,7 +12,8 @@ extern int iscsit_accept_np(struct iscsi_np *, struct iscsi_conn *); extern int iscsit_get_login_rx(struct iscsi_conn *, struct iscsi_login *); extern int iscsit_put_login_tx(struct iscsi_conn *, struct iscsi_login *, u32); extern void iscsit_free_conn(struct iscsi_np *, struct iscsi_conn *); -extern int iscsi_post_login_handler(struct iscsi_np *, struct iscsi_conn *, u8); +extern int iscsit_start_kthreads(struct iscsi_conn *); +extern void iscsi_post_login_handler(struct iscsi_np *, struct iscsi_conn *, u8); extern void iscsi_target_login_sess_out(struct iscsi_conn *, struct iscsi_np *, bool, bool); extern int iscsi_target_login_thread(void *); diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 8c02fa34716f..f9cde9141836 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -17,6 +17,7 @@ ******************************************************************************/ #include <linux/ctype.h> +#include <linux/kthread.h> #include <scsi/iscsi_proto.h> #include <target/target_core_base.h> #include <target/target_core_fabric.h> @@ -361,10 +362,24 @@ static int iscsi_target_do_tx_login_io(struct iscsi_conn *conn, struct iscsi_log ntohl(login_rsp->statsn), login->rsp_length); padding = ((-login->rsp_length) & 3); + /* + * Before sending the last login response containing the transition + * bit for full-feature-phase, go ahead and start up TX/RX threads + * now to avoid potential resource allocation failures after the + * final login response has been sent. + */ + if (login->login_complete) { + int rc = iscsit_start_kthreads(conn); + if (rc) { + iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, + ISCSI_LOGIN_STATUS_NO_RESOURCES); + return -1; + } + } if (conn->conn_transport->iscsit_put_login_tx(conn, login, login->rsp_length + padding) < 0) - return -1; + goto err; login->rsp_length = 0; mutex_lock(&sess->cmdsn_mutex); @@ -373,6 +388,23 @@ static int iscsi_target_do_tx_login_io(struct iscsi_conn *conn, struct iscsi_log mutex_unlock(&sess->cmdsn_mutex); return 0; + +err: + if (login->login_complete) { + if (conn->rx_thread && conn->rx_thread_active) { + send_sig(SIGINT, conn->rx_thread, 1); + kthread_stop(conn->rx_thread); + } + if (conn->tx_thread && conn->tx_thread_active) { + send_sig(SIGINT, conn->tx_thread, 1); + kthread_stop(conn->tx_thread); + } + spin_lock(&iscsit_global->ts_bitmap_lock); + bitmap_release_region(iscsit_global->ts_bitmap, conn->bitmap_id, + get_order(1)); + spin_unlock(&iscsit_global->ts_bitmap_lock); + } + return -1; } static void iscsi_target_sk_data_ready(struct sock *sk) diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 0b0de3647478..860e84046177 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -457,8 +457,15 @@ void target_unregister_template(const struct target_core_fabric_ops *fo) if (!strcmp(t->tf_ops->name, fo->name)) { BUG_ON(atomic_read(&t->tf_access_cnt)); list_del(&t->tf_list); + mutex_unlock(&g_tf_lock); + /* + * Wait for any outstanding fabric se_deve_entry->rcu_head + * callbacks to complete post kfree_rcu(), before allowing + * fabric driver unload of TFO->module to proceed. + */ + rcu_barrier(); kfree(t); - break; + return; } } mutex_unlock(&g_tf_lock); @@ -747,7 +754,7 @@ static ssize_t store_pi_prot_type(struct se_dev_attrib *da, if (!dev->transport->init_prot || !dev->transport->free_prot) { /* 0 is only allowed value for non-supporting backends */ if (flag == 0) - return 0; + return count; pr_err("DIF protection not supported by backend: %s\n", dev->transport->name); @@ -1590,9 +1597,9 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata( u8 type = 0; if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH) - return 0; + return count; if (dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS) - return 0; + return count; if (dev->export_count) { pr_debug("Unable to process APTPL metadata while" @@ -1658,22 +1665,32 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata( * PR APTPL Metadata for Reservation */ case Opt_res_holder: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; res_holder = arg; break; case Opt_res_type: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; type = (u8)arg; break; case Opt_res_scope: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; break; case Opt_res_all_tg_pt: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; all_tg_pt = (int)arg; break; case Opt_mapped_lun: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; mapped_lun = (u64)arg; break; /* @@ -1701,14 +1718,20 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata( } break; case Opt_tpgt: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; tpgt = (u16)arg; break; case Opt_port_rtpi: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; break; case Opt_target_lun: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; target_lun = (u64)arg; break; default: @@ -1985,7 +2008,7 @@ static ssize_t target_core_store_alua_lu_gp( lu_gp_mem = dev->dev_alua_lu_gp_mem; if (!lu_gp_mem) - return 0; + return count; if (count > LU_GROUP_NAME_BUF) { pr_err("ALUA LU Group Alias too large!\n"); diff --git a/drivers/target/target_core_hba.c b/drivers/target/target_core_hba.c index 62ea4e8e70a8..be9cefc07407 100644 --- a/drivers/target/target_core_hba.c +++ b/drivers/target/target_core_hba.c @@ -84,8 +84,16 @@ void target_backend_unregister(const struct target_backend_ops *ops) list_for_each_entry(tb, &backend_list, list) { if (tb->ops == ops) { list_del(&tb->list); + mutex_unlock(&backend_mutex); + /* + * Wait for any outstanding backend driver ->rcu_head + * callbacks to complete post TBO->free_device() -> + * call_rcu(), before allowing backend driver module + * unload of target_backend_ops->owner to proceed. + */ + rcu_barrier(); kfree(tb); - break; + return; } } mutex_unlock(&backend_mutex); diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 0fdbe43b7dad..5ab7100de17e 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -1474,7 +1474,7 @@ core_scsi3_decode_spec_i_port( LIST_HEAD(tid_dest_list); struct pr_transport_id_holder *tidh_new, *tidh, *tidh_tmp; unsigned char *buf, *ptr, proto_ident; - const unsigned char *i_str; + const unsigned char *i_str = NULL; char *iport_ptr = NULL, i_buf[PR_REG_ISID_ID_LEN]; sense_reason_t ret; u32 tpdl, tid_len = 0; diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c index 4703f403f31c..384cf8894411 100644 --- a/drivers/target/target_core_rd.c +++ b/drivers/target/target_core_rd.c @@ -333,6 +333,7 @@ static int rd_configure_device(struct se_device *dev) dev->dev_attrib.hw_block_size = RD_BLOCKSIZE; dev->dev_attrib.hw_max_sectors = UINT_MAX; dev->dev_attrib.hw_queue_depth = RD_MAX_DEVICE_QUEUE_DEPTH; + dev->dev_attrib.is_nonrot = 1; rd_dev->rd_dev_id = rd_host->rd_host_dev_id_count++; diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index b0744433315a..f87d4cef6d39 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -454,10 +454,17 @@ spc_emulate_evpd_86(struct se_cmd *cmd, unsigned char *buf) cmd->se_sess->sess_prot_type == TARGET_DIF_TYPE1_PROT) buf[4] = 0x5; else if (dev->dev_attrib.pi_prot_type == TARGET_DIF_TYPE3_PROT || - cmd->se_sess->sess_prot_type == TARGET_DIF_TYPE3_PROT) + cmd->se_sess->sess_prot_type == TARGET_DIF_TYPE3_PROT) buf[4] = 0x4; } + /* logical unit supports type 1 and type 3 protection */ + if ((dev->transport->get_device_type(dev) == TYPE_DISK) && + (sess->sup_prot_ops & (TARGET_PROT_DIN_PASS | TARGET_PROT_DOUT_PASS)) && + (dev->dev_attrib.pi_prot_type || cmd->se_sess->sess_prot_type)) { + buf[4] |= (0x3 << 3); + } + /* Set HEADSUP, ORDSUP, SIMPSUP */ buf[5] = 0x07; @@ -1196,17 +1203,13 @@ sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd) struct se_dev_entry *deve; struct se_session *sess = cmd->se_sess; struct se_node_acl *nacl; + struct scsi_lun slun; unsigned char *buf; u32 lun_count = 0, offset = 8; - - if (cmd->data_length < 16) { - pr_warn("REPORT LUNS allocation length %u too small\n", - cmd->data_length); - return TCM_INVALID_CDB_FIELD; - } + __be32 len; buf = transport_kmap_data_sg(cmd); - if (!buf) + if (cmd->data_length && !buf) return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; /* @@ -1214,11 +1217,9 @@ sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd) * coming via a target_core_mod PASSTHROUGH op, and not through * a $FABRIC_MOD. In that case, report LUN=0 only. */ - if (!sess) { - int_to_scsilun(0, (struct scsi_lun *)&buf[offset]); - lun_count = 1; + if (!sess) goto done; - } + nacl = sess->se_node_acl; rcu_read_lock(); @@ -1229,10 +1230,12 @@ sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd) * See SPC2-R20 7.19. */ lun_count++; - if ((offset + 8) > cmd->data_length) + if (offset >= cmd->data_length) continue; - int_to_scsilun(deve->mapped_lun, (struct scsi_lun *)&buf[offset]); + int_to_scsilun(deve->mapped_lun, &slun); + memcpy(buf + offset, &slun, + min(8u, cmd->data_length - offset)); offset += 8; } rcu_read_unlock(); @@ -1241,12 +1244,22 @@ sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd) * See SPC3 r07, page 159. */ done: - lun_count *= 8; - buf[0] = ((lun_count >> 24) & 0xff); - buf[1] = ((lun_count >> 16) & 0xff); - buf[2] = ((lun_count >> 8) & 0xff); - buf[3] = (lun_count & 0xff); - transport_kunmap_data_sg(cmd); + /* + * If no LUNs are accessible, report virtual LUN 0. + */ + if (lun_count == 0) { + int_to_scsilun(0, &slun); + if (cmd->data_length > 8) + memcpy(buf + offset, &slun, + min(8u, cmd->data_length - offset)); + lun_count = 1; + } + + if (buf) { + len = cpu_to_be32(lun_count * 8); + memcpy(buf, &len, min_t(int, sizeof len, cmd->data_length)); + transport_kunmap_data_sg(cmd); + } target_complete_cmd_with_length(cmd, GOOD, 8 + lun_count * 8); return 0; diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 6509c61b9648..620dcd405ff6 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -68,7 +68,7 @@ struct power_table { * registered cooling device. * @cpufreq_state: integer value representing the current state of cpufreq * cooling devices. - * @cpufreq_val: integer value representing the absolute value of the clipped + * @clipped_freq: integer value representing the absolute value of the clipped * frequency. * @max_level: maximum cooling level. One less than total number of valid * cpufreq frequencies. @@ -91,7 +91,7 @@ struct cpufreq_cooling_device { int id; struct thermal_cooling_device *cool_dev; unsigned int cpufreq_state; - unsigned int cpufreq_val; + unsigned int clipped_freq; unsigned int max_level; unsigned int *freq_table; /* In descending order */ struct cpumask allowed_cpus; @@ -107,6 +107,9 @@ struct cpufreq_cooling_device { static DEFINE_IDR(cpufreq_idr); static DEFINE_MUTEX(cooling_cpufreq_lock); +static unsigned int cpufreq_dev_count; + +static DEFINE_MUTEX(cooling_list_lock); static LIST_HEAD(cpufreq_dev_list); /** @@ -185,14 +188,14 @@ unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq) { struct cpufreq_cooling_device *cpufreq_dev; - mutex_lock(&cooling_cpufreq_lock); + mutex_lock(&cooling_list_lock); list_for_each_entry(cpufreq_dev, &cpufreq_dev_list, node) { if (cpumask_test_cpu(cpu, &cpufreq_dev->allowed_cpus)) { - mutex_unlock(&cooling_cpufreq_lock); + mutex_unlock(&cooling_list_lock); return get_level(cpufreq_dev, freq); } } - mutex_unlock(&cooling_cpufreq_lock); + mutex_unlock(&cooling_list_lock); pr_err("%s: cpu:%d not part of any cooling device\n", __func__, cpu); return THERMAL_CSTATE_INVALID; @@ -215,29 +218,35 @@ static int cpufreq_thermal_notifier(struct notifier_block *nb, unsigned long event, void *data) { struct cpufreq_policy *policy = data; - unsigned long max_freq = 0; + unsigned long clipped_freq; struct cpufreq_cooling_device *cpufreq_dev; - switch (event) { + if (event != CPUFREQ_ADJUST) + return NOTIFY_DONE; - case CPUFREQ_ADJUST: - mutex_lock(&cooling_cpufreq_lock); - list_for_each_entry(cpufreq_dev, &cpufreq_dev_list, node) { - if (!cpumask_test_cpu(policy->cpu, - &cpufreq_dev->allowed_cpus)) - continue; + mutex_lock(&cooling_list_lock); + list_for_each_entry(cpufreq_dev, &cpufreq_dev_list, node) { + if (!cpumask_test_cpu(policy->cpu, &cpufreq_dev->allowed_cpus)) + continue; - max_freq = cpufreq_dev->cpufreq_val; + /* + * policy->max is the maximum allowed frequency defined by user + * and clipped_freq is the maximum that thermal constraints + * allow. + * + * If clipped_freq is lower than policy->max, then we need to + * readjust policy->max. + * + * But, if clipped_freq is greater than policy->max, we don't + * need to do anything. + */ + clipped_freq = cpufreq_dev->clipped_freq; - if (policy->max != max_freq) - cpufreq_verify_within_limits(policy, 0, - max_freq); - } - mutex_unlock(&cooling_cpufreq_lock); + if (policy->max > clipped_freq) + cpufreq_verify_within_limits(policy, 0, clipped_freq); break; - default: - return NOTIFY_DONE; } + mutex_unlock(&cooling_list_lock); return NOTIFY_OK; } @@ -519,7 +528,7 @@ static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev, clip_freq = cpufreq_device->freq_table[state]; cpufreq_device->cpufreq_state = state; - cpufreq_device->cpufreq_val = clip_freq; + cpufreq_device->clipped_freq = clip_freq; cpufreq_update_policy(cpu); @@ -861,17 +870,19 @@ __cpufreq_cooling_register(struct device_node *np, pr_debug("%s: freq:%u KHz\n", __func__, freq); } - cpufreq_dev->cpufreq_val = cpufreq_dev->freq_table[0]; + cpufreq_dev->clipped_freq = cpufreq_dev->freq_table[0]; cpufreq_dev->cool_dev = cool_dev; mutex_lock(&cooling_cpufreq_lock); + mutex_lock(&cooling_list_lock); + list_add(&cpufreq_dev->node, &cpufreq_dev_list); + mutex_unlock(&cooling_list_lock); + /* Register the notifier for first cpufreq cooling device */ - if (list_empty(&cpufreq_dev_list)) + if (!cpufreq_dev_count++) cpufreq_register_notifier(&thermal_cpufreq_notifier_block, CPUFREQ_POLICY_NOTIFIER); - list_add(&cpufreq_dev->node, &cpufreq_dev_list); - mutex_unlock(&cooling_cpufreq_lock); return cool_dev; @@ -1013,13 +1024,17 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev) return; cpufreq_dev = cdev->devdata; - mutex_lock(&cooling_cpufreq_lock); - list_del(&cpufreq_dev->node); /* Unregister the notifier for the last cpufreq cooling device */ - if (list_empty(&cpufreq_dev_list)) + mutex_lock(&cooling_cpufreq_lock); + if (!--cpufreq_dev_count) cpufreq_unregister_notifier(&thermal_cpufreq_notifier_block, CPUFREQ_POLICY_NOTIFIER); + + mutex_lock(&cooling_list_lock); + list_del(&cpufreq_dev->node); + mutex_unlock(&cooling_list_lock); + mutex_unlock(&cooling_cpufreq_lock); thermal_cooling_device_unregister(cpufreq_dev->cool_dev); diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c index d5dd357ba57c..b49f97c734d0 100644 --- a/drivers/thermal/hisi_thermal.c +++ b/drivers/thermal/hisi_thermal.c @@ -405,7 +405,6 @@ static SIMPLE_DEV_PM_OPS(hisi_thermal_pm_ops, static struct platform_driver hisi_thermal_driver = { .driver = { .name = "hisi_thermal", - .owner = THIS_MODULE, .pm = &hisi_thermal_pm_ops, .of_match_table = of_hisi_thermal_match, }, diff --git a/drivers/thermal/power_allocator.c b/drivers/thermal/power_allocator.c index 4672250b329f..7006860f2f36 100644 --- a/drivers/thermal/power_allocator.c +++ b/drivers/thermal/power_allocator.c @@ -229,7 +229,8 @@ static int allocate_power(struct thermal_zone_device *tz, struct thermal_instance *instance; struct power_allocator_params *params = tz->governor_data; u32 *req_power, *max_power, *granted_power, *extra_actor_power; - u32 total_req_power, max_allocatable_power; + u32 *weighted_req_power; + u32 total_req_power, max_allocatable_power, total_weighted_req_power; u32 total_granted_power, power_range; int i, num_actors, total_weight, ret = 0; int trip_max_desired_temperature = params->trip_max_desired_temperature; @@ -247,16 +248,17 @@ static int allocate_power(struct thermal_zone_device *tz, } /* - * We need to allocate three arrays of the same size: - * req_power, max_power and granted_power. They are going to - * be needed until this function returns. Allocate them all - * in one go to simplify the allocation and deallocation - * logic. + * We need to allocate five arrays of the same size: + * req_power, max_power, granted_power, extra_actor_power and + * weighted_req_power. They are going to be needed until this + * function returns. Allocate them all in one go to simplify + * the allocation and deallocation logic. */ BUILD_BUG_ON(sizeof(*req_power) != sizeof(*max_power)); BUILD_BUG_ON(sizeof(*req_power) != sizeof(*granted_power)); BUILD_BUG_ON(sizeof(*req_power) != sizeof(*extra_actor_power)); - req_power = devm_kcalloc(&tz->device, num_actors * 4, + BUILD_BUG_ON(sizeof(*req_power) != sizeof(*weighted_req_power)); + req_power = devm_kcalloc(&tz->device, num_actors * 5, sizeof(*req_power), GFP_KERNEL); if (!req_power) { ret = -ENOMEM; @@ -266,8 +268,10 @@ static int allocate_power(struct thermal_zone_device *tz, max_power = &req_power[num_actors]; granted_power = &req_power[2 * num_actors]; extra_actor_power = &req_power[3 * num_actors]; + weighted_req_power = &req_power[4 * num_actors]; i = 0; + total_weighted_req_power = 0; total_req_power = 0; max_allocatable_power = 0; @@ -289,13 +293,14 @@ static int allocate_power(struct thermal_zone_device *tz, else weight = instance->weight; - req_power[i] = frac_to_int(weight * req_power[i]); + weighted_req_power[i] = frac_to_int(weight * req_power[i]); if (power_actor_get_max_power(cdev, tz, &max_power[i])) continue; total_req_power += req_power[i]; max_allocatable_power += max_power[i]; + total_weighted_req_power += weighted_req_power[i]; i++; } @@ -303,8 +308,9 @@ static int allocate_power(struct thermal_zone_device *tz, power_range = pid_controller(tz, current_temp, control_temp, max_allocatable_power); - divvy_up_power(req_power, max_power, num_actors, total_req_power, - power_range, granted_power, extra_actor_power); + divvy_up_power(weighted_req_power, max_power, num_actors, + total_weighted_req_power, power_range, granted_power, + extra_actor_power); total_granted_power = 0; i = 0; @@ -328,7 +334,7 @@ static int allocate_power(struct thermal_zone_device *tz, max_allocatable_power, current_temp, (s32)control_temp - (s32)current_temp); - devm_kfree(&tz->device, req_power); + kfree(req_power); unlock: mutex_unlock(&tz->lock); @@ -420,7 +426,7 @@ static int power_allocator_bind(struct thermal_zone_device *tz) return -EINVAL; } - params = devm_kzalloc(&tz->device, sizeof(*params), GFP_KERNEL); + params = kzalloc(sizeof(*params), GFP_KERNEL); if (!params) return -ENOMEM; @@ -462,14 +468,14 @@ static int power_allocator_bind(struct thermal_zone_device *tz) return 0; free: - devm_kfree(&tz->device, params); + kfree(params); return ret; } static void power_allocator_unbind(struct thermal_zone_device *tz) { dev_dbg(&tz->device, "Unbinding from thermal zone %d\n", tz->id); - devm_kfree(&tz->device, tz->governor_data); + kfree(tz->governor_data); tz->governor_data = NULL; } diff --git a/drivers/thermal/samsung/Kconfig b/drivers/thermal/samsung/Kconfig index c8e35c1a43dc..e0da3865e060 100644 --- a/drivers/thermal/samsung/Kconfig +++ b/drivers/thermal/samsung/Kconfig @@ -1,6 +1,6 @@ config EXYNOS_THERMAL tristate "Exynos thermal management unit driver" - depends on OF + depends on THERMAL_OF help If you say yes here you get support for the TMU (Thermal Management Unit) driver for SAMSUNG EXYNOS series of SoCs. This driver initialises diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 531f4b179871..c96ff10b869e 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -1296,7 +1296,6 @@ static struct thermal_zone_of_device_ops exynos_sensor_ops = { static int exynos_tmu_probe(struct platform_device *pdev) { - struct exynos_tmu_platform_data *pdata; struct exynos_tmu_data *data; int ret; @@ -1318,8 +1317,6 @@ static int exynos_tmu_probe(struct platform_device *pdev) if (ret) goto err_sensor; - pdata = data->pdata; - INIT_WORK(&data->irq_work, exynos_tmu_work); data->clk = devm_clk_get(&pdev->dev, "tmu_apbif"); @@ -1392,6 +1389,8 @@ err_clk_sec: if (!IS_ERR(data->clk_sec)) clk_unprepare(data->clk_sec); err_sensor: + if (!IS_ERR_OR_NULL(data->regulator)) + regulator_disable(data->regulator); thermal_zone_of_sensor_unregister(&pdev->dev, data->tzd); return ret; diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 04659bfb888b..4ca211be4c0f 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1333,6 +1333,7 @@ int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz, return -ENODEV; unbind: + device_remove_file(&tz->device, &pos->weight_attr); device_remove_file(&tz->device, &pos->attr); sysfs_remove_link(&tz->device.kobj, pos->name); release_idr(&tz->idr, &tz->lock, pos->id); diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index c9c27f69e101..ee8bfacf2071 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1108,19 +1108,29 @@ static void eraser(unsigned char c, struct tty_struct *tty) * Locking: ctrl_lock */ -static void isig(int sig, struct tty_struct *tty) +static void __isig(int sig, struct tty_struct *tty) { - struct n_tty_data *ldata = tty->disc_data; struct pid *tty_pgrp = tty_get_pgrp(tty); if (tty_pgrp) { kill_pgrp(tty_pgrp, sig, 1); put_pid(tty_pgrp); } +} - if (!L_NOFLSH(tty)) { +static void isig(int sig, struct tty_struct *tty) +{ + struct n_tty_data *ldata = tty->disc_data; + + if (L_NOFLSH(tty)) { + /* signal only */ + __isig(sig, tty); + + } else { /* signal and flush */ up_read(&tty->termios_rwsem); down_write(&tty->termios_rwsem); + __isig(sig, tty); + /* clear echo buffer */ mutex_lock(&ldata->output_lock); ldata->echo_head = ldata->echo_tail = 0; diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 76e65b714471..15b4079a335e 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -1185,7 +1185,7 @@ config SERIAL_SC16IS7XX_CORE config SERIAL_SC16IS7XX tristate "SC16IS7xx serial support" select SERIAL_CORE - depends on I2C || SPI_MASTER + depends on (SPI_MASTER && !I2C) || I2C help This selects support for SC16IS7xx serial ports. Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 50cf5b10ceed..fd27e986b1dd 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -2310,8 +2310,8 @@ static int pl011_setup_port(struct device *dev, struct uart_amba_port *uap, void __iomem *base; base = devm_ioremap_resource(dev, mmiobase); - if (!base) - return -ENOMEM; + if (IS_ERR(base)) + return PTR_ERR(base); index = pl011_probe_dt_alias(index, dev); diff --git a/drivers/tty/serial/etraxfs-uart.c b/drivers/tty/serial/etraxfs-uart.c index a57301a6fe42..679709f51fd4 100644 --- a/drivers/tty/serial/etraxfs-uart.c +++ b/drivers/tty/serial/etraxfs-uart.c @@ -950,7 +950,7 @@ static int etraxfs_uart_remove(struct platform_device *pdev) port = platform_get_drvdata(pdev); uart_remove_one_port(&etraxfs_uart_driver, port); - etraxfs_uart_ports[pdev->id] = NULL; + etraxfs_uart_ports[port->line] = NULL; return 0; } diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 2c90dc31bfaa..54fdc7866ea1 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1121,11 +1121,6 @@ static int imx_startup(struct uart_port *port) writel(temp & ~UCR4_DREN, sport->port.membase + UCR4); - /* Can we enable the DMA support? */ - if (is_imx6q_uart(sport) && !uart_console(port) && - !sport->dma_is_inited) - imx_uart_dma_init(sport); - spin_lock_irqsave(&sport->port.lock, flags); /* Reset fifo's and state machines */ i = 100; @@ -1143,9 +1138,6 @@ static int imx_startup(struct uart_port *port) writel(USR1_RTSD, sport->port.membase + USR1); writel(USR2_ORE, sport->port.membase + USR2); - if (sport->dma_is_inited && !sport->dma_is_enabled) - imx_enable_dma(sport); - temp = readl(sport->port.membase + UCR1); temp |= UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN; @@ -1316,6 +1308,11 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios, } else { ucr2 |= UCR2_CTSC; } + + /* Can we enable the DMA support? */ + if (is_imx6q_uart(sport) && !uart_console(port) + && !sport->dma_is_inited) + imx_uart_dma_init(sport); } else { termios->c_cflag &= ~CRTSCTS; } @@ -1432,6 +1429,8 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios, if (UART_ENABLE_MS(&sport->port, termios->c_cflag)) imx_enable_ms(&sport->port); + if (sport->dma_is_inited && !sport->dma_is_enabled) + imx_enable_dma(sport); spin_unlock_irqrestore(&sport->port.lock, flags); } diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 9e6576004a42..5ccc698cbbfa 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -354,6 +354,26 @@ static void sc16is7xx_port_write(struct uart_port *port, u8 reg, u8 val) (reg << SC16IS7XX_REG_SHIFT) | port->line, val); } +static void sc16is7xx_fifo_read(struct uart_port *port, unsigned int rxlen) +{ + struct sc16is7xx_port *s = dev_get_drvdata(port->dev); + u8 addr = (SC16IS7XX_RHR_REG << SC16IS7XX_REG_SHIFT) | port->line; + + regcache_cache_bypass(s->regmap, true); + regmap_raw_read(s->regmap, addr, s->buf, rxlen); + regcache_cache_bypass(s->regmap, false); +} + +static void sc16is7xx_fifo_write(struct uart_port *port, u8 to_send) +{ + struct sc16is7xx_port *s = dev_get_drvdata(port->dev); + u8 addr = (SC16IS7XX_THR_REG << SC16IS7XX_REG_SHIFT) | port->line; + + regcache_cache_bypass(s->regmap, true); + regmap_raw_write(s->regmap, addr, s->buf, to_send); + regcache_cache_bypass(s->regmap, false); +} + static void sc16is7xx_port_update(struct uart_port *port, u8 reg, u8 mask, u8 val) { @@ -508,10 +528,7 @@ static void sc16is7xx_handle_rx(struct uart_port *port, unsigned int rxlen, s->buf[0] = sc16is7xx_port_read(port, SC16IS7XX_RHR_REG); bytes_read = 1; } else { - regcache_cache_bypass(s->regmap, true); - regmap_raw_read(s->regmap, SC16IS7XX_RHR_REG, - s->buf, rxlen); - regcache_cache_bypass(s->regmap, false); + sc16is7xx_fifo_read(port, rxlen); bytes_read = rxlen; } @@ -591,9 +608,8 @@ static void sc16is7xx_handle_tx(struct uart_port *port) s->buf[i] = xmit->buf[xmit->tail]; xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); } - regcache_cache_bypass(s->regmap, true); - regmap_raw_write(s->regmap, SC16IS7XX_THR_REG, s->buf, to_send); - regcache_cache_bypass(s->regmap, false); + + sc16is7xx_fifo_write(port, to_send); } if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 7ae1592f7ec9..f36852067f20 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1418,7 +1418,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp) mutex_lock(&port->mutex); uart_shutdown(tty, state); tty_port_tty_set(port, NULL); - tty->closing = 0; + spin_lock_irqsave(&port->lock, flags); if (port->blocked_open) { @@ -1444,6 +1444,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp) mutex_unlock(&port->mutex); tty_ldisc_flush(tty); + tty->closing = 0; } static void uart_wait_until_sent(struct tty_struct *tty, int timeout) diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c index ea27804d87af..381a2b13682c 100644 --- a/drivers/tty/vt/selection.c +++ b/drivers/tty/vt/selection.c @@ -356,6 +356,7 @@ int paste_selection(struct tty_struct *tty) schedule(); continue; } + __set_current_state(TASK_RUNNING); count = sel_buffer_lth - pasted; count = tty_ldisc_receive_buf(ld, sel_buffer + pasted, NULL, count); diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 8fe52989b380..4462d167900c 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -742,6 +742,8 @@ static void visual_init(struct vc_data *vc, int num, int init) __module_get(vc->vc_sw->owner); vc->vc_num = num; vc->vc_display_fg = &master_display_fg; + if (vc->vc_uni_pagedir_loc) + con_free_unimap(vc); vc->vc_uni_pagedir_loc = &vc->vc_uni_pagedir; vc->vc_uni_pagedir = NULL; vc->vc_hi_font_mask = 0; diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 74fea4fa41b1..3ad48e1c0c57 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -1024,7 +1024,18 @@ static struct platform_driver ci_hdrc_driver = { }, }; -module_platform_driver(ci_hdrc_driver); +static int __init ci_hdrc_platform_register(void) +{ + ci_hdrc_host_driver_init(); + return platform_driver_register(&ci_hdrc_driver); +} +module_init(ci_hdrc_platform_register); + +static void __exit ci_hdrc_platform_unregister(void) +{ + platform_driver_unregister(&ci_hdrc_driver); +} +module_exit(ci_hdrc_platform_unregister); MODULE_ALIAS("platform:ci_hdrc"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c index 6cf87b8b13a8..7161439def19 100644 --- a/drivers/usb/chipidea/host.c +++ b/drivers/usb/chipidea/host.c @@ -249,9 +249,12 @@ int ci_hdrc_host_init(struct ci_hdrc *ci) rdrv->name = "host"; ci->roles[CI_ROLE_HOST] = rdrv; + return 0; +} + +void ci_hdrc_host_driver_init(void) +{ ehci_init_driver(&ci_ehci_hc_driver, &ehci_ci_overrides); orig_bus_suspend = ci_ehci_hc_driver.bus_suspend; ci_ehci_hc_driver.bus_suspend = ci_ehci_bus_suspend; - - return 0; } diff --git a/drivers/usb/chipidea/host.h b/drivers/usb/chipidea/host.h index 5707bf379bfb..0f12f131bdd3 100644 --- a/drivers/usb/chipidea/host.h +++ b/drivers/usb/chipidea/host.h @@ -5,6 +5,7 @@ int ci_hdrc_host_init(struct ci_hdrc *ci); void ci_hdrc_host_destroy(struct ci_hdrc *ci); +void ci_hdrc_host_driver_init(void); #else @@ -18,6 +19,11 @@ static inline void ci_hdrc_host_destroy(struct ci_hdrc *ci) } +static void ci_hdrc_host_driver_init(void) +{ + +} + #endif #endif /* __DRIVERS_USB_CHIPIDEA_HOST_H */ diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 519a77ba214c..b30e7423549b 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1944,6 +1944,7 @@ static void __exit acm_exit(void) usb_deregister(&acm_driver); tty_unregister_driver(acm_tty_driver); put_tty_driver(acm_tty_driver); + idr_destroy(&acm_minors); } module_init(acm_init); diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c index 0e6f968e93fe..01c0c0477a9e 100644 --- a/drivers/usb/common/ulpi.c +++ b/drivers/usb/common/ulpi.c @@ -242,7 +242,7 @@ static int __init ulpi_init(void) { return bus_register(&ulpi_bus); } -module_init(ulpi_init); +subsys_initcall(ulpi_init); static void __exit ulpi_exit(void) { diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index be5b2074f906..cbcd0920fb51 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1022,9 +1022,12 @@ static int register_root_hub(struct usb_hcd *hcd) dev_name(&usb_dev->dev), retval); return (retval < 0) ? retval : -EMSGSIZE; } - if (usb_dev->speed == USB_SPEED_SUPER) { + + if (le16_to_cpu(usb_dev->descriptor.bcdUSB) >= 0x0201) { retval = usb_get_bos_descriptor(usb_dev); - if (retval < 0) { + if (!retval) { + usb_dev->lpm_capable = usb_device_supports_lpm(usb_dev); + } else if (usb_dev->speed == USB_SPEED_SUPER) { mutex_unlock(&usb_bus_list_lock); dev_dbg(parent_dev, "can't read %s bos descriptor %d\n", dev_name(&usb_dev->dev), retval); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 43cb2f2e3b43..73dfa194160b 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -122,7 +122,7 @@ struct usb_hub *usb_hub_to_struct_hub(struct usb_device *hdev) return usb_get_intfdata(hdev->actconfig->interface[0]); } -static int usb_device_supports_lpm(struct usb_device *udev) +int usb_device_supports_lpm(struct usb_device *udev) { /* USB 2.1 (and greater) devices indicate LPM support through * their USB 2.0 Extended Capabilities BOS descriptor. diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 7eb1e26798e5..457255a3306a 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -65,6 +65,7 @@ extern int usb_hub_init(void); extern void usb_hub_cleanup(void); extern int usb_major_init(void); extern void usb_major_cleanup(void); +extern int usb_device_supports_lpm(struct usb_device *udev); #ifdef CONFIG_PM diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c index e5b546f1152e..c3cc1a78d1e2 100644 --- a/drivers/usb/dwc2/core.c +++ b/drivers/usb/dwc2/core.c @@ -72,17 +72,7 @@ static int dwc2_backup_host_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Backup Host regs */ - hr = hsotg->hr_backup; - if (!hr) { - hr = devm_kzalloc(hsotg->dev, sizeof(*hr), GFP_KERNEL); - if (!hr) { - dev_err(hsotg->dev, "%s: can't allocate host regs\n", - __func__); - return -ENOMEM; - } - - hsotg->hr_backup = hr; - } + hr = &hsotg->hr_backup; hr->hcfg = readl(hsotg->regs + HCFG); hr->haintmsk = readl(hsotg->regs + HAINTMSK); for (i = 0; i < hsotg->core_params->host_channels; ++i) @@ -90,6 +80,7 @@ static int dwc2_backup_host_registers(struct dwc2_hsotg *hsotg) hr->hprt0 = readl(hsotg->regs + HPRT0); hr->hfir = readl(hsotg->regs + HFIR); + hr->valid = true; return 0; } @@ -109,12 +100,13 @@ static int dwc2_restore_host_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Restore host regs */ - hr = hsotg->hr_backup; - if (!hr) { + hr = &hsotg->hr_backup; + if (!hr->valid) { dev_err(hsotg->dev, "%s: no host registers to restore\n", __func__); return -EINVAL; } + hr->valid = false; writel(hr->hcfg, hsotg->regs + HCFG); writel(hr->haintmsk, hsotg->regs + HAINTMSK); @@ -152,17 +144,7 @@ static int dwc2_backup_device_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Backup dev regs */ - dr = hsotg->dr_backup; - if (!dr) { - dr = devm_kzalloc(hsotg->dev, sizeof(*dr), GFP_KERNEL); - if (!dr) { - dev_err(hsotg->dev, "%s: can't allocate device regs\n", - __func__); - return -ENOMEM; - } - - hsotg->dr_backup = dr; - } + dr = &hsotg->dr_backup; dr->dcfg = readl(hsotg->regs + DCFG); dr->dctl = readl(hsotg->regs + DCTL); @@ -195,7 +177,7 @@ static int dwc2_backup_device_registers(struct dwc2_hsotg *hsotg) dr->doeptsiz[i] = readl(hsotg->regs + DOEPTSIZ(i)); dr->doepdma[i] = readl(hsotg->regs + DOEPDMA(i)); } - + dr->valid = true; return 0; } @@ -215,12 +197,13 @@ static int dwc2_restore_device_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Restore dev regs */ - dr = hsotg->dr_backup; - if (!dr) { + dr = &hsotg->dr_backup; + if (!dr->valid) { dev_err(hsotg->dev, "%s: no device registers to restore\n", __func__); return -EINVAL; } + dr->valid = false; writel(dr->dcfg, hsotg->regs + DCFG); writel(dr->dctl, hsotg->regs + DCTL); @@ -268,17 +251,7 @@ static int dwc2_backup_global_registers(struct dwc2_hsotg *hsotg) int i; /* Backup global regs */ - gr = hsotg->gr_backup; - if (!gr) { - gr = devm_kzalloc(hsotg->dev, sizeof(*gr), GFP_KERNEL); - if (!gr) { - dev_err(hsotg->dev, "%s: can't allocate global regs\n", - __func__); - return -ENOMEM; - } - - hsotg->gr_backup = gr; - } + gr = &hsotg->gr_backup; gr->gotgctl = readl(hsotg->regs + GOTGCTL); gr->gintmsk = readl(hsotg->regs + GINTMSK); @@ -291,6 +264,7 @@ static int dwc2_backup_global_registers(struct dwc2_hsotg *hsotg) for (i = 0; i < MAX_EPS_CHANNELS; i++) gr->dtxfsiz[i] = readl(hsotg->regs + DPTXFSIZN(i)); + gr->valid = true; return 0; } @@ -309,12 +283,13 @@ static int dwc2_restore_global_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Restore global regs */ - gr = hsotg->gr_backup; - if (!gr) { + gr = &hsotg->gr_backup; + if (!gr->valid) { dev_err(hsotg->dev, "%s: no global registers to restore\n", __func__); return -EINVAL; } + gr->valid = false; writel(0xffffffff, hsotg->regs + GINTSTS); writel(gr->gotgctl, hsotg->regs + GOTGCTL); diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index 53b8de03f102..0ed87620941b 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -492,6 +492,7 @@ struct dwc2_gregs_backup { u32 gdfifocfg; u32 dtxfsiz[MAX_EPS_CHANNELS]; u32 gpwrdn; + bool valid; }; /** @@ -521,6 +522,7 @@ struct dwc2_dregs_backup { u32 doepctl[MAX_EPS_CHANNELS]; u32 doeptsiz[MAX_EPS_CHANNELS]; u32 doepdma[MAX_EPS_CHANNELS]; + bool valid; }; /** @@ -538,6 +540,7 @@ struct dwc2_hregs_backup { u32 hcintmsk[MAX_EPS_CHANNELS]; u32 hprt0; u32 hfir; + bool valid; }; /** @@ -705,9 +708,9 @@ struct dwc2_hsotg { struct work_struct wf_otg; struct timer_list wkp_timer; enum dwc2_lx_state lx_state; - struct dwc2_gregs_backup *gr_backup; - struct dwc2_dregs_backup *dr_backup; - struct dwc2_hregs_backup *hr_backup; + struct dwc2_gregs_backup gr_backup; + struct dwc2_dregs_backup dr_backup; + struct dwc2_hregs_backup hr_backup; struct dentry *debug_root; struct debugfs_regset32 *regset; diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index b10377c65064..f845c41fe9e5 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -359,10 +359,9 @@ void dwc2_hcd_stop(struct dwc2_hsotg *hsotg) /* Caller must hold driver lock */ static int dwc2_hcd_urb_enqueue(struct dwc2_hsotg *hsotg, - struct dwc2_hcd_urb *urb, void **ep_handle, - gfp_t mem_flags) + struct dwc2_hcd_urb *urb, struct dwc2_qh *qh, + struct dwc2_qtd *qtd) { - struct dwc2_qtd *qtd; u32 intr_mask; int retval; int dev_speed; @@ -386,18 +385,15 @@ static int dwc2_hcd_urb_enqueue(struct dwc2_hsotg *hsotg, return -ENODEV; } - qtd = kzalloc(sizeof(*qtd), mem_flags); if (!qtd) - return -ENOMEM; + return -EINVAL; dwc2_hcd_qtd_init(qtd, urb); - retval = dwc2_hcd_qtd_add(hsotg, qtd, (struct dwc2_qh **)ep_handle, - mem_flags); + retval = dwc2_hcd_qtd_add(hsotg, qtd, qh); if (retval) { dev_err(hsotg->dev, "DWC OTG HCD URB Enqueue failed adding QTD. Error status %d\n", retval); - kfree(qtd); return retval; } @@ -2445,6 +2441,9 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, u32 tflags = 0; void *buf; unsigned long flags; + struct dwc2_qh *qh; + bool qh_allocated = false; + struct dwc2_qtd *qtd; if (dbg_urb(urb)) { dev_vdbg(hsotg->dev, "DWC OTG HCD URB Enqueue\n"); @@ -2523,15 +2522,32 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, urb->iso_frame_desc[i].length); urb->hcpriv = dwc2_urb; + qh = (struct dwc2_qh *) ep->hcpriv; + /* Create QH for the endpoint if it doesn't exist */ + if (!qh) { + qh = dwc2_hcd_qh_create(hsotg, dwc2_urb, mem_flags); + if (!qh) { + retval = -ENOMEM; + goto fail0; + } + ep->hcpriv = qh; + qh_allocated = true; + } + + qtd = kzalloc(sizeof(*qtd), mem_flags); + if (!qtd) { + retval = -ENOMEM; + goto fail1; + } spin_lock_irqsave(&hsotg->lock, flags); retval = usb_hcd_link_urb_to_ep(hcd, urb); if (retval) - goto fail1; + goto fail2; - retval = dwc2_hcd_urb_enqueue(hsotg, dwc2_urb, &ep->hcpriv, mem_flags); + retval = dwc2_hcd_urb_enqueue(hsotg, dwc2_urb, qh, qtd); if (retval) - goto fail2; + goto fail3; if (alloc_bandwidth) { dwc2_allocate_bus_bandwidth(hcd, @@ -2543,12 +2559,25 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, return 0; -fail2: +fail3: dwc2_urb->priv = NULL; usb_hcd_unlink_urb_from_ep(hcd, urb); -fail1: +fail2: spin_unlock_irqrestore(&hsotg->lock, flags); urb->hcpriv = NULL; + kfree(qtd); +fail1: + if (qh_allocated) { + struct dwc2_qtd *qtd2, *qtd2_tmp; + + ep->hcpriv = NULL; + dwc2_hcd_qh_unlink(hsotg, qh); + /* Free each QTD in the QH's QTD list */ + list_for_each_entry_safe(qtd2, qtd2_tmp, &qh->qtd_list, + qtd_list_entry) + dwc2_hcd_qtd_unlink_and_free(hsotg, qtd2, qh); + dwc2_hcd_qh_free(hsotg, qh); + } fail0: kfree(dwc2_urb); diff --git a/drivers/usb/dwc2/hcd.h b/drivers/usb/dwc2/hcd.h index 7b5841c40033..fc1054965552 100644 --- a/drivers/usb/dwc2/hcd.h +++ b/drivers/usb/dwc2/hcd.h @@ -463,6 +463,9 @@ extern void dwc2_hcd_queue_transactions(struct dwc2_hsotg *hsotg, /* Schedule Queue Functions */ /* Implemented in hcd_queue.c */ extern void dwc2_hcd_init_usecs(struct dwc2_hsotg *hsotg); +extern struct dwc2_qh *dwc2_hcd_qh_create(struct dwc2_hsotg *hsotg, + struct dwc2_hcd_urb *urb, + gfp_t mem_flags); extern void dwc2_hcd_qh_free(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh); extern int dwc2_hcd_qh_add(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh); extern void dwc2_hcd_qh_unlink(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh); @@ -471,7 +474,7 @@ extern void dwc2_hcd_qh_deactivate(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, extern void dwc2_hcd_qtd_init(struct dwc2_qtd *qtd, struct dwc2_hcd_urb *urb); extern int dwc2_hcd_qtd_add(struct dwc2_hsotg *hsotg, struct dwc2_qtd *qtd, - struct dwc2_qh **qh, gfp_t mem_flags); + struct dwc2_qh *qh); /* Unlinks and frees a QTD */ static inline void dwc2_hcd_qtd_unlink_and_free(struct dwc2_hsotg *hsotg, diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c index 9b5c36256627..3ad63d392e13 100644 --- a/drivers/usb/dwc2/hcd_queue.c +++ b/drivers/usb/dwc2/hcd_queue.c @@ -191,7 +191,7 @@ static void dwc2_qh_init(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, * * Return: Pointer to the newly allocated QH, or NULL on error */ -static struct dwc2_qh *dwc2_hcd_qh_create(struct dwc2_hsotg *hsotg, +struct dwc2_qh *dwc2_hcd_qh_create(struct dwc2_hsotg *hsotg, struct dwc2_hcd_urb *urb, gfp_t mem_flags) { @@ -767,57 +767,32 @@ void dwc2_hcd_qtd_init(struct dwc2_qtd *qtd, struct dwc2_hcd_urb *urb) * * @hsotg: The DWC HCD structure * @qtd: The QTD to add - * @qh: Out parameter to return queue head - * @atomic_alloc: Flag to do atomic alloc if needed + * @qh: Queue head to add qtd to * * Return: 0 if successful, negative error code otherwise * - * Finds the correct QH to place the QTD into. If it does not find a QH, it - * will create a new QH. If the QH to which the QTD is added is not currently - * scheduled, it is placed into the proper schedule based on its EP type. + * If the QH to which the QTD is added is not currently scheduled, it is placed + * into the proper schedule based on its EP type. */ int dwc2_hcd_qtd_add(struct dwc2_hsotg *hsotg, struct dwc2_qtd *qtd, - struct dwc2_qh **qh, gfp_t mem_flags) + struct dwc2_qh *qh) { - struct dwc2_hcd_urb *urb = qtd->urb; - int allocated = 0; int retval; - /* - * Get the QH which holds the QTD-list to insert to. Create QH if it - * doesn't exist. - */ - if (*qh == NULL) { - *qh = dwc2_hcd_qh_create(hsotg, urb, mem_flags); - if (*qh == NULL) - return -ENOMEM; - allocated = 1; + if (unlikely(!qh)) { + dev_err(hsotg->dev, "%s: Invalid QH\n", __func__); + retval = -EINVAL; + goto fail; } - retval = dwc2_hcd_qh_add(hsotg, *qh); + retval = dwc2_hcd_qh_add(hsotg, qh); if (retval) goto fail; - qtd->qh = *qh; - list_add_tail(&qtd->qtd_list_entry, &(*qh)->qtd_list); + qtd->qh = qh; + list_add_tail(&qtd->qtd_list_entry, &qh->qtd_list); return 0; - fail: - if (allocated) { - struct dwc2_qtd *qtd2, *qtd2_tmp; - struct dwc2_qh *qh_tmp = *qh; - - *qh = NULL; - dwc2_hcd_qh_unlink(hsotg, qh_tmp); - - /* Free each QTD in the QH's QTD list */ - list_for_each_entry_safe(qtd2, qtd2_tmp, &qh_tmp->qtd_list, - qtd_list_entry) - dwc2_hcd_qtd_unlink_and_free(hsotg, qtd2, qh_tmp); - - dwc2_hcd_qh_free(hsotg, qh_tmp); - } - return retval; } diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 5c110d8e293b..ff5773c66b84 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -446,10 +446,12 @@ static int dwc3_phy_setup(struct dwc3 *dwc) /* Select the HS PHY interface */ switch (DWC3_GHWPARAMS3_HSPHY_IFC(dwc->hwparams.hwparams3)) { case DWC3_GHWPARAMS3_HSPHY_IFC_UTMI_ULPI: - if (!strncmp(dwc->hsphy_interface, "utmi", 4)) { + if (dwc->hsphy_interface && + !strncmp(dwc->hsphy_interface, "utmi", 4)) { reg &= ~DWC3_GUSB2PHYCFG_ULPI_UTMI; break; - } else if (!strncmp(dwc->hsphy_interface, "ulpi", 4)) { + } else if (dwc->hsphy_interface && + !strncmp(dwc->hsphy_interface, "ulpi", 4)) { reg |= DWC3_GUSB2PHYCFG_ULPI_UTMI; dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); } else { diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 2ef3c8d6a9db..69e769c35cf5 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -727,6 +727,10 @@ static int dwc3_ep0_std_request(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) dwc3_trace(trace_dwc3_ep0, "USB_REQ_SET_ISOCH_DELAY"); ret = dwc3_ep0_set_isoch_delay(dwc, ctrl); break; + case USB_REQ_SET_INTERFACE: + dwc3_trace(trace_dwc3_ep0, "USB_REQ_SET_INTERFACE"); + dwc->start_config_issued = false; + /* Fall through */ default: dwc3_trace(trace_dwc3_ep0, "Forwarding to gadget driver"); ret = dwc3_ep0_delegate_req(dwc, ctrl); diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 4e3447bbd097..58b4657fc721 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1758,10 +1758,13 @@ unknown: * take such requests too, if that's ever needed: to work * in config 0, etc. */ - list_for_each_entry(f, &cdev->config->functions, list) - if (f->req_match && f->req_match(f, ctrl)) - goto try_fun_setup; - f = NULL; + if (cdev->config) { + list_for_each_entry(f, &cdev->config->functions, list) + if (f->req_match && f->req_match(f, ctrl)) + goto try_fun_setup; + f = NULL; + } + switch (ctrl->bRequestType & USB_RECIP_MASK) { case USB_RECIP_INTERFACE: if (!cdev->config || intf >= MAX_CONFIG_INTERFACES) diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 0495c94a23d7..289e20119fea 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -571,7 +571,7 @@ static struct config_group *function_make( if (IS_ERR(fi)) return ERR_CAST(fi); - ret = config_item_set_name(&fi->group.cg_item, name); + ret = config_item_set_name(&fi->group.cg_item, "%s", name); if (ret) { usb_put_function_instance(fi); return ERR_PTR(ret); diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 45b8c8b338df..6e7be91e6097 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -924,7 +924,8 @@ static ssize_t ffs_epfile_write_iter(struct kiocb *kiocb, struct iov_iter *from) kiocb->private = p; - kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); + if (p->aio) + kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); res = ffs_epfile_io(kiocb->ki_filp, p); if (res == -EIOCBQUEUED) @@ -968,7 +969,8 @@ static ssize_t ffs_epfile_read_iter(struct kiocb *kiocb, struct iov_iter *to) kiocb->private = p; - kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); + if (p->aio) + kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); res = ffs_epfile_io(kiocb->ki_filp, p); if (res == -EIOCBQUEUED) diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index f7f35a36c09a..6df9715a4bcd 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -699,6 +699,10 @@ static inline int hidg_get_minor(void) int ret; ret = ida_simple_get(&hidg_ida, 0, 0, GFP_KERNEL); + if (ret >= HIDG_MINORS) { + ida_simple_remove(&hidg_ida, ret); + ret = -ENODEV; + } return ret; } diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index d2259c663996..f936268d26c6 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -2786,7 +2786,7 @@ int fsg_common_set_nluns(struct fsg_common *common, int nluns) return -EINVAL; } - curlun = kcalloc(nluns, sizeof(*curlun), GFP_KERNEL); + curlun = kcalloc(FSG_MAX_LUNS, sizeof(*curlun), GFP_KERNEL); if (unlikely(!curlun)) return -ENOMEM; @@ -2796,8 +2796,6 @@ int fsg_common_set_nluns(struct fsg_common *common, int nluns) common->luns = curlun; common->nluns = nluns; - pr_info("Number of LUNs=%d\n", common->nluns); - return 0; } EXPORT_SYMBOL_GPL(fsg_common_set_nluns); @@ -3563,14 +3561,26 @@ static struct usb_function *fsg_alloc(struct usb_function_instance *fi) struct fsg_opts *opts = fsg_opts_from_func_inst(fi); struct fsg_common *common = opts->common; struct fsg_dev *fsg; + unsigned nluns, i; fsg = kzalloc(sizeof(*fsg), GFP_KERNEL); if (unlikely(!fsg)) return ERR_PTR(-ENOMEM); mutex_lock(&opts->lock); + if (!opts->refcnt) { + for (nluns = i = 0; i < FSG_MAX_LUNS; ++i) + if (common->luns[i]) + nluns = i + 1; + if (!nluns) + pr_warn("No LUNS defined, continuing anyway\n"); + else + common->nluns = nluns; + pr_info("Number of LUNs=%u\n", common->nluns); + } opts->refcnt++; mutex_unlock(&opts->lock); + fsg->function.name = FSG_DRIVER_DESC; fsg->function.bind = fsg_bind; fsg->function.unbind = fsg_unbind; diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c index 6316aa5b1c49..ad50a67c1465 100644 --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -1145,7 +1145,7 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi) if (opts->id && !midi->id) { status = -ENOMEM; mutex_unlock(&opts->lock); - goto kstrdup_fail; + goto setup_fail; } midi->in_ports = opts->in_ports; midi->out_ports = opts->out_ports; @@ -1164,8 +1164,6 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi) return &midi->func; -kstrdup_fail: - f_midi_unregister_card(midi); setup_fail: for (--i; i >= 0; i--) kfree(midi->in_port[i]); diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index 44173df27273..357f63f47b42 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -1248,7 +1248,15 @@ static struct config_item_type printer_func_type = { static inline int gprinter_get_minor(void) { - return ida_simple_get(&printer_ida, 0, 0, GFP_KERNEL); + int ret; + + ret = ida_simple_get(&printer_ida, 0, 0, GFP_KERNEL); + if (ret >= PRINTER_MINORS) { + ida_simple_remove(&printer_ida, ret); + ret = -ENODEV; + } + + return ret; } static inline void gprinter_put_minor(int minor) diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index 6d3eb8b00a48..531861547253 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -1162,14 +1162,14 @@ afunc_set_alt(struct usb_function *fn, unsigned intf, unsigned alt) factor = 1000; } else { ep_desc = &hs_epin_desc; - factor = 125; + factor = 8000; } /* pre-compute some values for iso_complete() */ uac2->p_framesize = opts->p_ssize * num_channels(opts->p_chmask); rate = opts->p_srate * uac2->p_framesize; - uac2->p_interval = (1 << (ep_desc->bInterval - 1)) * factor; + uac2->p_interval = factor / (1 << (ep_desc->bInterval - 1)); uac2->p_pktsize = min_t(unsigned int, rate / uac2->p_interval, prm->max_psize); diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c index b04980cf6dc4..1efa61265d8d 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_ep.c +++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c @@ -779,7 +779,7 @@ static int ep_dequeue(struct bdc_ep *ep, struct bdc_req *req) /* The current hw dequeue pointer */ tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS0(0)); deq_ptr_64 = tmp_32; - tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS0(1)); + tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS1(0)); deq_ptr_64 |= ((u64)tmp_32 << 32); /* we have the dma addr of next bd that will be fetched by hardware */ diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c index e547ea7f56b1..1137e3384218 100644 --- a/drivers/usb/gadget/udc/fotg210-udc.c +++ b/drivers/usb/gadget/udc/fotg210-udc.c @@ -1171,7 +1171,7 @@ static int fotg210_udc_probe(struct platform_device *pdev) udc_name, fotg210); if (ret < 0) { pr_err("request_irq error (%d)\n", ret); - goto err_irq; + goto err_req; } ret = usb_add_gadget_udc(&pdev->dev, &fotg210->gadget); @@ -1183,7 +1183,6 @@ static int fotg210_udc_probe(struct platform_device *pdev) return 0; err_add_udc: -err_irq: free_irq(ires->start, fotg210); err_req: diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c index d32160d6463f..5da37c957b53 100644 --- a/drivers/usb/gadget/udc/mv_udc_core.c +++ b/drivers/usb/gadget/udc/mv_udc_core.c @@ -2167,7 +2167,7 @@ static int mv_udc_probe(struct platform_device *pdev) return -ENODEV; } - udc->phy_regs = ioremap(r->start, resource_size(r)); + udc->phy_regs = devm_ioremap(&pdev->dev, r->start, resource_size(r)); if (udc->phy_regs == NULL) { dev_err(&pdev->dev, "failed to map phy I/O memory\n"); return -EBUSY; diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index d69c35558f68..89ed5e71a199 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -60,13 +60,15 @@ static DEFINE_MUTEX(udc_lock); int usb_gadget_map_request(struct usb_gadget *gadget, struct usb_request *req, int is_in) { + struct device *dev = gadget->dev.parent; + if (req->length == 0) return 0; if (req->num_sgs) { int mapped; - mapped = dma_map_sg(&gadget->dev, req->sg, req->num_sgs, + mapped = dma_map_sg(dev, req->sg, req->num_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); if (mapped == 0) { dev_err(&gadget->dev, "failed to map SGs\n"); @@ -75,11 +77,11 @@ int usb_gadget_map_request(struct usb_gadget *gadget, req->num_mapped_sgs = mapped; } else { - req->dma = dma_map_single(&gadget->dev, req->buf, req->length, + req->dma = dma_map_single(dev, req->buf, req->length, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - if (dma_mapping_error(&gadget->dev, req->dma)) { - dev_err(&gadget->dev, "failed to map buffer\n"); + if (dma_mapping_error(dev, req->dma)) { + dev_err(dev, "failed to map buffer\n"); return -EFAULT; } } @@ -95,12 +97,12 @@ void usb_gadget_unmap_request(struct usb_gadget *gadget, return; if (req->num_mapped_sgs) { - dma_unmap_sg(&gadget->dev, req->sg, req->num_mapped_sgs, + dma_unmap_sg(gadget->dev.parent, req->sg, req->num_mapped_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); req->num_mapped_sgs = 0; } else { - dma_unmap_single(&gadget->dev, req->dma, req->length, + dma_unmap_single(gadget->dev.parent, req->dma, req->length, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); } } @@ -321,6 +323,7 @@ err4: err3: put_device(&udc->dev); + device_del(&gadget->dev); err2: put_device(&gadget->dev); diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index f7d561ed3c23..d029bbe9eb36 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -981,10 +981,6 @@ rescan_all: int completed, modified; __hc32 *prev; - /* Is this ED already invisible to the hardware? */ - if (ed->state == ED_IDLE) - goto ed_idle; - /* only take off EDs that the HC isn't using, accounting for * frame counter wraps and EDs with partially retired TDs */ @@ -1012,12 +1008,10 @@ skip_ed: } /* ED's now officially unlinked, hc doesn't see */ - ed->state = ED_IDLE; ed->hwHeadP &= ~cpu_to_hc32(ohci, ED_H); ed->hwNextED = 0; wmb(); ed->hwINFO &= ~cpu_to_hc32(ohci, ED_SKIP | ED_DEQUEUE); -ed_idle: /* reentrancy: if we drop the schedule lock, someone might * have modified this list. normally it's just prepending @@ -1088,6 +1082,7 @@ rescan_this: if (list_empty(&ed->td_list)) { *last = ed->ed_next; ed->ed_next = NULL; + ed->state = ED_IDLE; list_del(&ed->in_use_list); } else if (ohci->rh_state == OHCI_RH_RUNNING) { *last = ed->ed_next; diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index e9a6eec39142..cfcfadfc94fc 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -58,7 +58,7 @@ #define CCR_PM_CKRNEN 0x0002 #define CCR_PM_USBPW1 0x0004 #define CCR_PM_USBPW2 0x0008 -#define CCR_PM_USBPW3 0x0008 +#define CCR_PM_USBPW3 0x0010 #define CCR_PM_PMEE 0x0100 #define CCR_PM_PMES 0x8000 diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index e75c565feb53..78241b5550df 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -484,10 +484,13 @@ static void xhci_hub_report_usb3_link_state(struct xhci_hcd *xhci, u32 pls = status_reg & PORT_PLS_MASK; /* resume state is a xHCI internal state. - * Do not report it to usb core. + * Do not report it to usb core, instead, pretend to be U3, + * thus usb core knows it's not ready for transfer */ - if (pls == XDEV_RESUME) + if (pls == XDEV_RESUME) { + *status |= USB_SS_PORT_LS_U3; return; + } /* When the CAS bit is set then warm reset * should be performed on port @@ -588,7 +591,14 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, status |= USB_PORT_STAT_C_RESET << 16; /* USB3.0 only */ if (hcd->speed == HCD_USB3) { - if ((raw_port_status & PORT_PLC)) + /* Port link change with port in resume state should not be + * reported to usbcore, as this is an internal state to be + * handled by xhci driver. Reporting PLC to usbcore may + * cause usbcore clearing PLC first and port change event + * irq won't be generated. + */ + if ((raw_port_status & PORT_PLC) && + (raw_port_status & PORT_PLS_MASK) != XDEV_RESUME) status |= USB_PORT_STAT_C_LINK_STATE << 16; if ((raw_port_status & PORT_WRC)) status |= USB_PORT_STAT_C_BH_RESET << 16; @@ -1120,10 +1130,10 @@ int xhci_bus_suspend(struct usb_hcd *hcd) spin_lock_irqsave(&xhci->lock, flags); if (hcd->self.root_hub->do_remote_wakeup) { - if (bus_state->resuming_ports) { + if (bus_state->resuming_ports || /* USB2 */ + bus_state->port_remote_wakeup) { /* USB3 */ spin_unlock_irqrestore(&xhci->lock, flags); - xhci_dbg(xhci, "suspend failed because " - "a port is resuming\n"); + xhci_dbg(xhci, "suspend failed because a port is resuming\n"); return -EBUSY; } } diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index f8336408ef07..9a8c936cd42c 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1427,10 +1427,10 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, /* Attempt to use the ring cache */ if (virt_dev->num_rings_cached == 0) return -ENOMEM; + virt_dev->num_rings_cached--; virt_dev->eps[ep_index].new_ring = virt_dev->ring_cache[virt_dev->num_rings_cached]; virt_dev->ring_cache[virt_dev->num_rings_cached] = NULL; - virt_dev->num_rings_cached--; xhci_reinit_cached_ring(xhci, virt_dev->eps[ep_index].new_ring, 1, type); } @@ -1792,7 +1792,8 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) int size; int i, j, num_ports; - del_timer_sync(&xhci->cmd_timer); + if (timer_pending(&xhci->cmd_timer)) + del_timer_sync(&xhci->cmd_timer); /* Free the Event Ring Segment Table and the actual Event Ring */ size = sizeof(struct xhci_erst_entry)*(xhci->erst.num_entries); diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 4a4cb1d91ac8..5590eac2b22d 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -23,10 +23,15 @@ #include <linux/pci.h> #include <linux/slab.h> #include <linux/module.h> +#include <linux/acpi.h> #include "xhci.h" #include "xhci-trace.h" +#define PORT2_SSIC_CONFIG_REG2 0x883c +#define PROG_DONE (1 << 30) +#define SSIC_PORT_UNUSED (1 << 31) + /* Device for a quirk */ #define PCI_VENDOR_ID_FRESCO_LOGIC 0x1b73 #define PCI_DEVICE_ID_FRESCO_LOGIC_PDK 0x1000 @@ -176,20 +181,63 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) } /* + * In some Intel xHCI controllers, in order to get D3 working, + * through a vendor specific SSIC CONFIG register at offset 0x883c, + * SSIC PORT need to be marked as "unused" before putting xHCI + * into D3. After D3 exit, the SSIC port need to be marked as "used". + * Without this change, xHCI might not enter D3 state. * Make sure PME works on some Intel xHCI controllers by writing 1 to clear * the Internal PME flag bit in vendor specific PMCTRL register at offset 0x80a4 */ -static void xhci_pme_quirk(struct xhci_hcd *xhci) +static void xhci_pme_quirk(struct usb_hcd *hcd, bool suspend) { + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + struct pci_dev *pdev = to_pci_dev(hcd->self.controller); u32 val; void __iomem *reg; + if (pdev->vendor == PCI_VENDOR_ID_INTEL && + pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) { + + reg = (void __iomem *) xhci->cap_regs + PORT2_SSIC_CONFIG_REG2; + + /* Notify SSIC that SSIC profile programming is not done */ + val = readl(reg) & ~PROG_DONE; + writel(val, reg); + + /* Mark SSIC port as unused(suspend) or used(resume) */ + val = readl(reg); + if (suspend) + val |= SSIC_PORT_UNUSED; + else + val &= ~SSIC_PORT_UNUSED; + writel(val, reg); + + /* Notify SSIC that SSIC profile programming is done */ + val = readl(reg) | PROG_DONE; + writel(val, reg); + readl(reg); + } + reg = (void __iomem *) xhci->cap_regs + 0x80a4; val = readl(reg); writel(val | BIT(28), reg); readl(reg); } +#ifdef CONFIG_ACPI +static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) +{ + static const u8 intel_dsm_uuid[] = { + 0xb7, 0x0c, 0x34, 0xac, 0x01, 0xe9, 0xbf, 0x45, + 0xb7, 0xe6, 0x2b, 0x34, 0xec, 0x93, 0x1e, 0x23, + }; + acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), intel_dsm_uuid, 3, 1, NULL); +} +#else + static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { } +#endif /* CONFIG_ACPI */ + /* called during probe() after chip reset completes */ static int xhci_pci_setup(struct usb_hcd *hcd) { @@ -263,6 +311,9 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) HCC_MAX_PSA(xhci->hcc_params) >= 4) xhci->shared_hcd->can_do_streams = 1; + if (xhci->quirks & XHCI_PME_STUCK_QUIRK) + xhci_pme_acpi_rtd3_enable(dev); + /* USB-2 and USB-3 roothubs initialized, allow runtime pm suspend */ pm_runtime_put_noidle(&dev->dev); @@ -307,7 +358,7 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) pdev->no_d3cold = true; if (xhci->quirks & XHCI_PME_STUCK_QUIRK) - xhci_pme_quirk(xhci); + xhci_pme_quirk(hcd, true); return xhci_suspend(xhci, do_wakeup); } @@ -340,7 +391,7 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated) usb_enable_intel_xhci_ports(pdev); if (xhci->quirks & XHCI_PME_STUCK_QUIRK) - xhci_pme_quirk(xhci); + xhci_pme_quirk(hcd, false); retval = xhci_resume(xhci, hibernated); return retval; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 94416ff70810..32f4d564494a 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -82,7 +82,7 @@ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg, return 0; /* offset in TRBs */ segment_offset = trb - seg->trbs; - if (segment_offset > TRBS_PER_SEGMENT) + if (segment_offset >= TRBS_PER_SEGMENT) return 0; return seg->dma + (segment_offset * sizeof(*trb)); } @@ -1546,6 +1546,9 @@ static void handle_port_status(struct xhci_hcd *xhci, usb_hcd_resume_root_hub(hcd); } + if (hcd->speed == HCD_USB3 && (temp & PORT_PLS_MASK) == XDEV_INACTIVE) + bus_state->port_remote_wakeup &= ~(1 << faked_port_index); + if ((temp & PORT_PLC) && (temp & PORT_PLS_MASK) == XDEV_RESUME) { xhci_dbg(xhci, "port resume event for port %d\n", port_id); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 7da0d6043d33..526ebc0c7e72 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3453,6 +3453,9 @@ int xhci_discover_or_reset_device(struct usb_hcd *hcd, struct usb_device *udev) return -EINVAL; } + if (virt_dev->tt_info) + old_active_eps = virt_dev->tt_info->active_eps; + if (virt_dev->udev != udev) { /* If the virt_dev and the udev does not match, this virt_dev * may belong to another udev. diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 31e46cc55807..ed2ebf647c38 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -285,6 +285,7 @@ struct xhci_op_regs { #define XDEV_U0 (0x0 << 5) #define XDEV_U2 (0x2 << 5) #define XDEV_U3 (0x3 << 5) +#define XDEV_INACTIVE (0x6 << 5) #define XDEV_RESUME (0xf << 5) /* true: port has power (see HCC_PPC) */ #define PORT_POWER (1 << 9) diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index 30842bc195f5..92d5f718659b 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -275,9 +275,7 @@ static int musb_has_gadget(struct musb *musb) #ifdef CONFIG_USB_MUSB_HOST return 1; #else - if (musb->port_mode == MUSB_PORT_MODE_HOST) - return 1; - return musb->g.dev.driver != NULL; + return musb->port_mode == MUSB_PORT_MODE_HOST; #endif } diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c index 8f7cb068d29b..3fcc0483a081 100644 --- a/drivers/usb/phy/phy-mxs-usb.c +++ b/drivers/usb/phy/phy-mxs-usb.c @@ -217,6 +217,9 @@ static bool mxs_phy_get_vbus_status(struct mxs_phy *mxs_phy) { unsigned int vbus_value; + if (!mxs_phy->regmap_anatop) + return false; + if (mxs_phy->port_id == 0) regmap_read(mxs_phy->regmap_anatop, ANADIG_USB1_VBUS_DET_STAT, diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index ffd739e31bfc..eac7ccaa3c85 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -187,6 +187,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1FB9, 0x0602) }, /* Lake Shore Model 648 Magnet Power Supply */ { USB_DEVICE(0x1FB9, 0x0700) }, /* Lake Shore Model 737 VSM Controller */ { USB_DEVICE(0x1FB9, 0x0701) }, /* Lake Shore Model 776 Hall Matrix */ + { USB_DEVICE(0x2626, 0xEA60) }, /* Aruba Networks 7xxx USB Serial Console */ { USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */ { USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */ { USB_DEVICE(0x3195, 0xF281) }, /* Link Instruments MSO-28 */ diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 4f70df33975a..78b4f64c6b00 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -121,26 +121,26 @@ static DEFINE_SPINLOCK(release_lock); static const unsigned int dummy; /* for clarity in register access fns */ enum mos_regs { - THR, /* serial port regs */ - RHR, - IER, - FCR, - ISR, - LCR, - MCR, - LSR, - MSR, - SPR, - DLL, - DLM, - DPR, /* parallel port regs */ - DSR, - DCR, - ECR, - SP1_REG, /* device control regs */ - SP2_REG, /* serial port 2 (7720 only) */ - PP_REG, - SP_CONTROL_REG, + MOS7720_THR, /* serial port regs */ + MOS7720_RHR, + MOS7720_IER, + MOS7720_FCR, + MOS7720_ISR, + MOS7720_LCR, + MOS7720_MCR, + MOS7720_LSR, + MOS7720_MSR, + MOS7720_SPR, + MOS7720_DLL, + MOS7720_DLM, + MOS7720_DPR, /* parallel port regs */ + MOS7720_DSR, + MOS7720_DCR, + MOS7720_ECR, + MOS7720_SP1_REG, /* device control regs */ + MOS7720_SP2_REG, /* serial port 2 (7720 only) */ + MOS7720_PP_REG, + MOS7720_SP_CONTROL_REG, }; /* @@ -150,26 +150,26 @@ enum mos_regs { static inline __u16 get_reg_index(enum mos_regs reg) { static const __u16 mos7715_index_lookup_table[] = { - 0x00, /* THR */ - 0x00, /* RHR */ - 0x01, /* IER */ - 0x02, /* FCR */ - 0x02, /* ISR */ - 0x03, /* LCR */ - 0x04, /* MCR */ - 0x05, /* LSR */ - 0x06, /* MSR */ - 0x07, /* SPR */ - 0x00, /* DLL */ - 0x01, /* DLM */ - 0x00, /* DPR */ - 0x01, /* DSR */ - 0x02, /* DCR */ - 0x0a, /* ECR */ - 0x01, /* SP1_REG */ - 0x02, /* SP2_REG (7720 only) */ - 0x04, /* PP_REG (7715 only) */ - 0x08, /* SP_CONTROL_REG */ + 0x00, /* MOS7720_THR */ + 0x00, /* MOS7720_RHR */ + 0x01, /* MOS7720_IER */ + 0x02, /* MOS7720_FCR */ + 0x02, /* MOS7720_ISR */ + 0x03, /* MOS7720_LCR */ + 0x04, /* MOS7720_MCR */ + 0x05, /* MOS7720_LSR */ + 0x06, /* MOS7720_MSR */ + 0x07, /* MOS7720_SPR */ + 0x00, /* MOS7720_DLL */ + 0x01, /* MOS7720_DLM */ + 0x00, /* MOS7720_DPR */ + 0x01, /* MOS7720_DSR */ + 0x02, /* MOS7720_DCR */ + 0x0a, /* MOS7720_ECR */ + 0x01, /* MOS7720_SP1_REG */ + 0x02, /* MOS7720_SP2_REG (7720 only) */ + 0x04, /* MOS7720_PP_REG (7715 only) */ + 0x08, /* MOS7720_SP_CONTROL_REG */ }; return mos7715_index_lookup_table[reg]; } @@ -181,10 +181,10 @@ static inline __u16 get_reg_index(enum mos_regs reg) static inline __u16 get_reg_value(enum mos_regs reg, unsigned int serial_portnum) { - if (reg >= SP1_REG) /* control reg */ + if (reg >= MOS7720_SP1_REG) /* control reg */ return 0x0000; - else if (reg >= DPR) /* parallel port reg (7715 only) */ + else if (reg >= MOS7720_DPR) /* parallel port reg (7715 only) */ return 0x0100; else /* serial port reg */ @@ -252,7 +252,8 @@ static inline int mos7715_change_mode(struct mos7715_parport *mos_parport, enum mos7715_pp_modes mode) { mos_parport->shadowECR = mode; - write_mos_reg(mos_parport->serial, dummy, ECR, mos_parport->shadowECR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_ECR, + mos_parport->shadowECR); return 0; } @@ -486,7 +487,7 @@ static void parport_mos7715_write_data(struct parport *pp, unsigned char d) if (parport_prologue(pp) < 0) return; mos7715_change_mode(mos_parport, SPP); - write_mos_reg(mos_parport->serial, dummy, DPR, (__u8)d); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DPR, (__u8)d); parport_epilogue(pp); } @@ -497,7 +498,7 @@ static unsigned char parport_mos7715_read_data(struct parport *pp) if (parport_prologue(pp) < 0) return 0; - read_mos_reg(mos_parport->serial, dummy, DPR, &d); + read_mos_reg(mos_parport->serial, dummy, MOS7720_DPR, &d); parport_epilogue(pp); return d; } @@ -510,7 +511,7 @@ static void parport_mos7715_write_control(struct parport *pp, unsigned char d) if (parport_prologue(pp) < 0) return; data = ((__u8)d & 0x0f) | (mos_parport->shadowDCR & 0xf0); - write_mos_reg(mos_parport->serial, dummy, DCR, data); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, data); mos_parport->shadowDCR = data; parport_epilogue(pp); } @@ -543,7 +544,8 @@ static unsigned char parport_mos7715_frob_control(struct parport *pp, if (parport_prologue(pp) < 0) return 0; mos_parport->shadowDCR = (mos_parport->shadowDCR & (~mask)) ^ val; - write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, + mos_parport->shadowDCR); dcr = mos_parport->shadowDCR & 0x0f; parport_epilogue(pp); return dcr; @@ -581,7 +583,8 @@ static void parport_mos7715_data_forward(struct parport *pp) return; mos7715_change_mode(mos_parport, PS2); mos_parport->shadowDCR &= ~0x20; - write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, + mos_parport->shadowDCR); parport_epilogue(pp); } @@ -593,7 +596,8 @@ static void parport_mos7715_data_reverse(struct parport *pp) return; mos7715_change_mode(mos_parport, PS2); mos_parport->shadowDCR |= 0x20; - write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, + mos_parport->shadowDCR); parport_epilogue(pp); } @@ -633,8 +637,10 @@ static void parport_mos7715_restore_state(struct parport *pp, spin_unlock(&release_lock); return; } - write_parport_reg_nonblock(mos_parport, DCR, mos_parport->shadowDCR); - write_parport_reg_nonblock(mos_parport, ECR, mos_parport->shadowECR); + write_parport_reg_nonblock(mos_parport, MOS7720_DCR, + mos_parport->shadowDCR); + write_parport_reg_nonblock(mos_parport, MOS7720_ECR, + mos_parport->shadowECR); spin_unlock(&release_lock); } @@ -714,14 +720,16 @@ static int mos7715_parport_init(struct usb_serial *serial) init_completion(&mos_parport->syncmsg_compl); /* cycle parallel port reset bit */ - write_mos_reg(mos_parport->serial, dummy, PP_REG, (__u8)0x80); - write_mos_reg(mos_parport->serial, dummy, PP_REG, (__u8)0x00); + write_mos_reg(mos_parport->serial, dummy, MOS7720_PP_REG, (__u8)0x80); + write_mos_reg(mos_parport->serial, dummy, MOS7720_PP_REG, (__u8)0x00); /* initialize device registers */ mos_parport->shadowDCR = DCR_INIT_VAL; - write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, + mos_parport->shadowDCR); mos_parport->shadowECR = ECR_INIT_VAL; - write_mos_reg(mos_parport->serial, dummy, ECR, mos_parport->shadowECR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_ECR, + mos_parport->shadowECR); /* register with parport core */ mos_parport->pp = parport_register_port(0, PARPORT_IRQ_NONE, @@ -1033,45 +1041,49 @@ static int mos7720_open(struct tty_struct *tty, struct usb_serial_port *port) /* Initialize MCS7720 -- Write Init values to corresponding Registers * * Register Index - * 0 : THR/RHR - * 1 : IER - * 2 : FCR - * 3 : LCR - * 4 : MCR - * 5 : LSR - * 6 : MSR - * 7 : SPR + * 0 : MOS7720_THR/MOS7720_RHR + * 1 : MOS7720_IER + * 2 : MOS7720_FCR + * 3 : MOS7720_LCR + * 4 : MOS7720_MCR + * 5 : MOS7720_LSR + * 6 : MOS7720_MSR + * 7 : MOS7720_SPR * * 0x08 : SP1/2 Control Reg */ port_number = port->port_number; - read_mos_reg(serial, port_number, LSR, &data); + read_mos_reg(serial, port_number, MOS7720_LSR, &data); dev_dbg(&port->dev, "SS::%p LSR:%x\n", mos7720_port, data); - write_mos_reg(serial, dummy, SP1_REG, 0x02); - write_mos_reg(serial, dummy, SP2_REG, 0x02); + write_mos_reg(serial, dummy, MOS7720_SP1_REG, 0x02); + write_mos_reg(serial, dummy, MOS7720_SP2_REG, 0x02); - write_mos_reg(serial, port_number, IER, 0x00); - write_mos_reg(serial, port_number, FCR, 0x00); + write_mos_reg(serial, port_number, MOS7720_IER, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0x00); - write_mos_reg(serial, port_number, FCR, 0xcf); + write_mos_reg(serial, port_number, MOS7720_FCR, 0xcf); mos7720_port->shadowLCR = 0x03; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); mos7720_port->shadowMCR = 0x0b; - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); - write_mos_reg(serial, port_number, SP_CONTROL_REG, 0x00); - read_mos_reg(serial, dummy, SP_CONTROL_REG, &data); + write_mos_reg(serial, port_number, MOS7720_SP_CONTROL_REG, 0x00); + read_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, &data); data = data | (port->port_number + 1); - write_mos_reg(serial, dummy, SP_CONTROL_REG, data); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, data); mos7720_port->shadowLCR = 0x83; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); - write_mos_reg(serial, port_number, THR, 0x0c); - write_mos_reg(serial, port_number, IER, 0x00); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_THR, 0x0c); + write_mos_reg(serial, port_number, MOS7720_IER, 0x00); mos7720_port->shadowLCR = 0x03; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); - write_mos_reg(serial, port_number, IER, 0x0c); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_IER, 0x0c); response = usb_submit_urb(port->read_urb, GFP_KERNEL); if (response) @@ -1144,8 +1156,8 @@ static void mos7720_close(struct usb_serial_port *port) usb_kill_urb(port->write_urb); usb_kill_urb(port->read_urb); - write_mos_reg(serial, port->port_number, MCR, 0x00); - write_mos_reg(serial, port->port_number, IER, 0x00); + write_mos_reg(serial, port->port_number, MOS7720_MCR, 0x00); + write_mos_reg(serial, port->port_number, MOS7720_IER, 0x00); mos7720_port->open = 0; } @@ -1169,7 +1181,8 @@ static void mos7720_break(struct tty_struct *tty, int break_state) data = mos7720_port->shadowLCR & ~UART_LCR_SBC; mos7720_port->shadowLCR = data; - write_mos_reg(serial, port->port_number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, port->port_number, MOS7720_LCR, + mos7720_port->shadowLCR); } /* @@ -1297,7 +1310,7 @@ static void mos7720_throttle(struct tty_struct *tty) /* if we are implementing RTS/CTS, toggle that line */ if (tty->termios.c_cflag & CRTSCTS) { mos7720_port->shadowMCR &= ~UART_MCR_RTS; - write_mos_reg(port->serial, port->port_number, MCR, + write_mos_reg(port->serial, port->port_number, MOS7720_MCR, mos7720_port->shadowMCR); } } @@ -1327,7 +1340,7 @@ static void mos7720_unthrottle(struct tty_struct *tty) /* if we are implementing RTS/CTS, toggle that line */ if (tty->termios.c_cflag & CRTSCTS) { mos7720_port->shadowMCR |= UART_MCR_RTS; - write_mos_reg(port->serial, port->port_number, MCR, + write_mos_reg(port->serial, port->port_number, MOS7720_MCR, mos7720_port->shadowMCR); } } @@ -1352,35 +1365,39 @@ static int set_higher_rates(struct moschip_port *mos7720_port, dev_dbg(&port->dev, "Sending Setting Commands ..........\n"); port_number = port->port_number; - write_mos_reg(serial, port_number, IER, 0x00); - write_mos_reg(serial, port_number, FCR, 0x00); - write_mos_reg(serial, port_number, FCR, 0xcf); + write_mos_reg(serial, port_number, MOS7720_IER, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0xcf); mos7720_port->shadowMCR = 0x0b; - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); - write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x00); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, 0x00); /*********************************************** * Set for higher rates * ***********************************************/ /* writing baud rate verbatum into uart clock field clearly not right */ if (port_number == 0) - sp_reg = SP1_REG; + sp_reg = MOS7720_SP1_REG; else - sp_reg = SP2_REG; + sp_reg = MOS7720_SP2_REG; write_mos_reg(serial, dummy, sp_reg, baud * 0x10); - write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x03); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, 0x03); mos7720_port->shadowMCR = 0x2b; - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); /*********************************************** * Set DLL/DLM ***********************************************/ mos7720_port->shadowLCR = mos7720_port->shadowLCR | UART_LCR_DLAB; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); - write_mos_reg(serial, port_number, DLL, 0x01); - write_mos_reg(serial, port_number, DLM, 0x00); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_DLL, 0x01); + write_mos_reg(serial, port_number, MOS7720_DLM, 0x00); mos7720_port->shadowLCR = mos7720_port->shadowLCR & ~UART_LCR_DLAB; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); return 0; } @@ -1488,15 +1505,16 @@ static int send_cmd_write_baud_rate(struct moschip_port *mos7720_port, /* Enable access to divisor latch */ mos7720_port->shadowLCR = mos7720_port->shadowLCR | UART_LCR_DLAB; - write_mos_reg(serial, number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, number, MOS7720_LCR, mos7720_port->shadowLCR); /* Write the divisor */ - write_mos_reg(serial, number, DLL, (__u8)(divisor & 0xff)); - write_mos_reg(serial, number, DLM, (__u8)((divisor & 0xff00) >> 8)); + write_mos_reg(serial, number, MOS7720_DLL, (__u8)(divisor & 0xff)); + write_mos_reg(serial, number, MOS7720_DLM, + (__u8)((divisor & 0xff00) >> 8)); /* Disable access to divisor latch */ mos7720_port->shadowLCR = mos7720_port->shadowLCR & ~UART_LCR_DLAB; - write_mos_reg(serial, number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, number, MOS7720_LCR, mos7720_port->shadowLCR); return status; } @@ -1600,14 +1618,16 @@ static void change_port_settings(struct tty_struct *tty, /* Disable Interrupts */ - write_mos_reg(serial, port_number, IER, 0x00); - write_mos_reg(serial, port_number, FCR, 0x00); - write_mos_reg(serial, port_number, FCR, 0xcf); + write_mos_reg(serial, port_number, MOS7720_IER, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0xcf); /* Send the updated LCR value to the mos7720 */ - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); mos7720_port->shadowMCR = 0x0b; - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); /* set up the MCR register and send it to the mos7720 */ mos7720_port->shadowMCR = UART_MCR_OUT2; @@ -1619,14 +1639,17 @@ static void change_port_settings(struct tty_struct *tty, /* To set hardware flow control to the specified * * serial port, in SP1/2_CONTROL_REG */ if (port_number) - write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x01); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, + 0x01); else - write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x02); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, + 0x02); } else mos7720_port->shadowMCR &= ~(UART_MCR_XONANY); - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); /* Determine divisor based on baud rate */ baud = tty_get_baud_rate(tty); @@ -1639,7 +1662,7 @@ static void change_port_settings(struct tty_struct *tty, if (baud >= 230400) { set_higher_rates(mos7720_port, baud); /* Enable Interrupts */ - write_mos_reg(serial, port_number, IER, 0x0c); + write_mos_reg(serial, port_number, MOS7720_IER, 0x0c); return; } @@ -1650,7 +1673,7 @@ static void change_port_settings(struct tty_struct *tty, if (cflag & CBAUD) tty_encode_baud_rate(tty, baud, baud); /* Enable Interrupts */ - write_mos_reg(serial, port_number, IER, 0x0c); + write_mos_reg(serial, port_number, MOS7720_IER, 0x0c); if (port->read_urb->status != -EINPROGRESS) { status = usb_submit_urb(port->read_urb, GFP_KERNEL); @@ -1725,7 +1748,7 @@ static int get_lsr_info(struct tty_struct *tty, count = mos7720_chars_in_buffer(tty); if (count == 0) { - read_mos_reg(port->serial, port_number, LSR, &data); + read_mos_reg(port->serial, port_number, MOS7720_LSR, &data); if ((data & (UART_LSR_TEMT | UART_LSR_THRE)) == (UART_LSR_TEMT | UART_LSR_THRE)) { dev_dbg(&port->dev, "%s -- Empty\n", __func__); @@ -1782,7 +1805,7 @@ static int mos7720_tiocmset(struct tty_struct *tty, mcr &= ~UART_MCR_LOOP; mos7720_port->shadowMCR = mcr; - write_mos_reg(port->serial, port->port_number, MCR, + write_mos_reg(port->serial, port->port_number, MOS7720_MCR, mos7720_port->shadowMCR); return 0; @@ -1827,7 +1850,7 @@ static int set_modem_info(struct moschip_port *mos7720_port, unsigned int cmd, } mos7720_port->shadowMCR = mcr; - write_mos_reg(port->serial, port->port_number, MCR, + write_mos_reg(port->serial, port->port_number, MOS7720_MCR, mos7720_port->shadowMCR); return 0; @@ -1942,7 +1965,7 @@ static int mos7720_startup(struct usb_serial *serial) } #endif /* LSR For Port 1 */ - read_mos_reg(serial, 0, LSR, &data); + read_mos_reg(serial, 0, MOS7720_LSR, &data); dev_dbg(&dev->dev, "LSR:%x\n", data); return 0; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index f0c0c53359ad..876423b8892c 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1099,6 +1099,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */ { USB_DEVICE_INTERFACE_CLASS(SIERRA_VENDOR_ID, 0x68c0, 0xff), .driver_info = (kernel_ulong_t)&sierra_mc73xx_blacklist }, /* MC73xx */ + { USB_DEVICE_INTERFACE_CLASS(SIERRA_VENDOR_ID, 0x9041, 0xff), + .driver_info = (kernel_ulong_t)&sierra_mc73xx_blacklist }, /* MC7305/MC7355 */ { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003), @@ -1765,6 +1767,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ + { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ { USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) }, { USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) }, { } /* Terminating entry */ diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 9c63897b3a56..d156545728c2 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -145,7 +145,6 @@ static const struct usb_device_id id_table[] = { {DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */ {DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */ {DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */ - {DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */ {DEVICE_SWI(0x1199, 0x9051)}, /* Netgear AirCard 340U */ {DEVICE_SWI(0x1199, 0x9053)}, /* Sierra Wireless Modem */ {DEVICE_SWI(0x1199, 0x9054)}, /* Sierra Wireless Modem */ @@ -158,6 +157,7 @@ static const struct usb_device_id id_table[] = { {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ {DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ {DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ + {DEVICE_SWI(0x413c, 0x81b1)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ /* Huawei devices */ {DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */ diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 46179a0828eb..07d1ecd564f7 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -289,6 +289,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x68AA, 0xFF, 0xFF, 0xFF), .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist }, + { USB_DEVICE(0x1199, 0x68AB) }, /* Sierra Wireless AR8550 */ /* AT&T Direct IP LTE modems */ { USB_DEVICE_AND_INTERFACE_INFO(0x0F3D, 0x68AA, 0xFF, 0xFF, 0xFF), .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 529066bbc7e8..46f1f13b41f1 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1306,6 +1306,7 @@ static void __exit usb_serial_exit(void) tty_unregister_driver(usb_serial_tty_driver); put_tty_driver(usb_serial_tty_driver); bus_unregister(&usb_serial_bus_type); + idr_destroy(&serial_minors); } diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index caf188800c67..6b2479123de7 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2065,6 +2065,18 @@ UNUSUAL_DEV( 0x1908, 0x3335, 0x0200, 0x0200, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_READ_DISC_INFO ), +/* Reported by Oliver Neukum <oneukum@suse.com> + * This device morphes spontaneously into another device if the access + * pattern of Windows isn't followed. Thus writable media would be dirty + * if the initial instance is used. So the device is limited to its + * virtual CD. + * And yes, the concept that BCD goes up to 9 is not heeded */ +UNUSUAL_DEV( 0x19d2, 0x1225, 0x0000, 0xffff, + "ZTE,Incorporated", + "ZTE WCDMA Technologies MSM", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_SINGLE_LUN ), + /* Reported by Sven Geggus <sven-usbst@geggus.net> * This encrypted pen drive returns bogus data for the initial READ(10). */ @@ -2074,6 +2086,17 @@ UNUSUAL_DEV( 0x1b1c, 0x1ab5, 0x0200, 0x0200, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_INITIAL_READ10 ), +/* Reported by Hans de Goede <hdegoede@redhat.com> + * These are mini projectors using USB for both power and video data transport + * The usb-storage interface is a virtual windows driver CD, which the gm12u320 + * driver automatically converts into framebuffer & kms dri device nodes. + */ +UNUSUAL_DEV( 0x1de1, 0xc102, 0x0000, 0xffff, + "Grain-media Technology Corp.", + "USB3.0 Device GM12U320", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_IGNORE_DEVICE ), + /* Patch by Richard Schütz <r.schtz@t-online.de> * This external hard drive enclosure uses a JMicron chip which * needs the US_FL_IGNORE_RESIDUE flag to work properly. */ diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c index 2fb29dfeffbd..563c510f285c 100644 --- a/drivers/vfio/vfio.c +++ b/drivers/vfio/vfio.c @@ -689,6 +689,23 @@ struct vfio_device *vfio_device_get_from_dev(struct device *dev) } EXPORT_SYMBOL_GPL(vfio_device_get_from_dev); +static struct vfio_device *vfio_device_get_from_name(struct vfio_group *group, + char *buf) +{ + struct vfio_device *device; + + mutex_lock(&group->device_lock); + list_for_each_entry(device, &group->device_list, group_next) { + if (!strcmp(dev_name(device->dev), buf)) { + vfio_device_get(device); + break; + } + } + mutex_unlock(&group->device_lock); + + return device; +} + /* * Caller must hold a reference to the vfio_device */ @@ -1198,53 +1215,53 @@ static int vfio_group_get_device_fd(struct vfio_group *group, char *buf) { struct vfio_device *device; struct file *filep; - int ret = -ENODEV; + int ret; if (0 == atomic_read(&group->container_users) || !group->container->iommu_driver || !vfio_group_viable(group)) return -EINVAL; - mutex_lock(&group->device_lock); - list_for_each_entry(device, &group->device_list, group_next) { - if (strcmp(dev_name(device->dev), buf)) - continue; + device = vfio_device_get_from_name(group, buf); + if (!device) + return -ENODEV; - ret = device->ops->open(device->device_data); - if (ret) - break; - /* - * We can't use anon_inode_getfd() because we need to modify - * the f_mode flags directly to allow more than just ioctls - */ - ret = get_unused_fd_flags(O_CLOEXEC); - if (ret < 0) { - device->ops->release(device->device_data); - break; - } + ret = device->ops->open(device->device_data); + if (ret) { + vfio_device_put(device); + return ret; + } - filep = anon_inode_getfile("[vfio-device]", &vfio_device_fops, - device, O_RDWR); - if (IS_ERR(filep)) { - put_unused_fd(ret); - ret = PTR_ERR(filep); - device->ops->release(device->device_data); - break; - } + /* + * We can't use anon_inode_getfd() because we need to modify + * the f_mode flags directly to allow more than just ioctls + */ + ret = get_unused_fd_flags(O_CLOEXEC); + if (ret < 0) { + device->ops->release(device->device_data); + vfio_device_put(device); + return ret; + } - /* - * TODO: add an anon_inode interface to do this. - * Appears to be missing by lack of need rather than - * explicitly prevented. Now there's need. - */ - filep->f_mode |= (FMODE_LSEEK | FMODE_PREAD | FMODE_PWRITE); + filep = anon_inode_getfile("[vfio-device]", &vfio_device_fops, + device, O_RDWR); + if (IS_ERR(filep)) { + put_unused_fd(ret); + ret = PTR_ERR(filep); + device->ops->release(device->device_data); + vfio_device_put(device); + return ret; + } + + /* + * TODO: add an anon_inode interface to do this. + * Appears to be missing by lack of need rather than + * explicitly prevented. Now there's need. + */ + filep->f_mode |= (FMODE_LSEEK | FMODE_PREAD | FMODE_PWRITE); - vfio_device_get(device); - atomic_inc(&group->container_users); + atomic_inc(&group->container_users); - fd_install(ret, filep); - break; - } - mutex_unlock(&group->device_lock); + fd_install(ret, filep); return ret; } diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 9e8e004bb1c3..eec2f11809ff 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -22,14 +22,20 @@ #include <linux/file.h> #include <linux/highmem.h> #include <linux/slab.h> +#include <linux/vmalloc.h> #include <linux/kthread.h> #include <linux/cgroup.h> #include <linux/module.h> +#include <linux/sort.h> #include "vhost.h" +static ushort max_mem_regions = 64; +module_param(max_mem_regions, ushort, 0444); +MODULE_PARM_DESC(max_mem_regions, + "Maximum number of memory regions in memory map. (default: 64)"); + enum { - VHOST_MEMORY_MAX_NREGIONS = 64, VHOST_MEMORY_F_LOG = 0x1, }; @@ -543,7 +549,7 @@ void vhost_dev_cleanup(struct vhost_dev *dev, bool locked) fput(dev->log_file); dev->log_file = NULL; /* No one will access memory at this point */ - kfree(dev->memory); + kvfree(dev->memory); dev->memory = NULL; WARN_ON(!list_empty(&dev->work_list)); if (dev->worker) { @@ -663,6 +669,25 @@ int vhost_vq_access_ok(struct vhost_virtqueue *vq) } EXPORT_SYMBOL_GPL(vhost_vq_access_ok); +static int vhost_memory_reg_sort_cmp(const void *p1, const void *p2) +{ + const struct vhost_memory_region *r1 = p1, *r2 = p2; + if (r1->guest_phys_addr < r2->guest_phys_addr) + return 1; + if (r1->guest_phys_addr > r2->guest_phys_addr) + return -1; + return 0; +} + +static void *vhost_kvzalloc(unsigned long size) +{ + void *n = kzalloc(size, GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT); + + if (!n) + n = vzalloc(size); + return n; +} + static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m) { struct vhost_memory mem, *newmem, *oldmem; @@ -673,21 +698,23 @@ static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m) return -EFAULT; if (mem.padding) return -EOPNOTSUPP; - if (mem.nregions > VHOST_MEMORY_MAX_NREGIONS) + if (mem.nregions > max_mem_regions) return -E2BIG; - newmem = kmalloc(size + mem.nregions * sizeof *m->regions, GFP_KERNEL); + newmem = vhost_kvzalloc(size + mem.nregions * sizeof(*m->regions)); if (!newmem) return -ENOMEM; memcpy(newmem, &mem, size); if (copy_from_user(newmem->regions, m->regions, mem.nregions * sizeof *m->regions)) { - kfree(newmem); + kvfree(newmem); return -EFAULT; } + sort(newmem->regions, newmem->nregions, sizeof(*newmem->regions), + vhost_memory_reg_sort_cmp, NULL); if (!memory_access_ok(d, newmem, 0)) { - kfree(newmem); + kvfree(newmem); return -EFAULT; } oldmem = d->memory; @@ -699,7 +726,7 @@ static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m) d->vqs[i]->memory = newmem; mutex_unlock(&d->vqs[i]->mutex); } - kfree(oldmem); + kvfree(oldmem); return 0; } @@ -965,6 +992,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp) } if (eventfp != d->log_file) { filep = d->log_file; + d->log_file = eventfp; ctx = d->log_ctx; d->log_ctx = eventfp ? eventfd_ctx_fileget(eventfp) : NULL; @@ -992,17 +1020,22 @@ EXPORT_SYMBOL_GPL(vhost_dev_ioctl); static const struct vhost_memory_region *find_region(struct vhost_memory *mem, __u64 addr, __u32 len) { - struct vhost_memory_region *reg; - int i; + const struct vhost_memory_region *reg; + int start = 0, end = mem->nregions; - /* linear search is not brilliant, but we really have on the order of 6 - * regions in practice */ - for (i = 0; i < mem->nregions; ++i) { - reg = mem->regions + i; - if (reg->guest_phys_addr <= addr && - reg->guest_phys_addr + reg->memory_size - 1 >= addr) - return reg; + while (start < end) { + int slot = start + (end - start) / 2; + reg = mem->regions + slot; + if (addr >= reg->guest_phys_addr) + end = slot; + else + start = slot + 1; } + + reg = mem->regions + start; + if (addr >= reg->guest_phys_addr && + reg->guest_phys_addr + reg->memory_size > addr) + return reg; return NULL; } diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 658c34bb9076..1aaf89300621 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -1306,10 +1306,11 @@ static void fbcon_cursor(struct vc_data *vc, int mode) int y; int c = scr_readw((u16 *) vc->vc_pos); + ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms); + if (fbcon_is_inactive(vc, info) || vc->vc_deccm != 1) return; - ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms); if (vc->vc_cursor_type & 0x10) fbcon_del_cursor_timer(info); else diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index 2d98de535e0f..f888561568d9 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -298,7 +298,7 @@ config FB_ARMCLCD # Helper logic selected only by the ARM Versatile platform family. config PLAT_VERSATILE_CLCD - def_bool ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS + def_bool ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || ARCH_INTEGRATOR depends on ARM depends on FB_ARMCLCD && FB=y diff --git a/drivers/video/fbdev/omap2/dss/dss-of.c b/drivers/video/fbdev/omap2/dss/dss-of.c index 928ee639c0c1..bf407b6ba15c 100644 --- a/drivers/video/fbdev/omap2/dss/dss-of.c +++ b/drivers/video/fbdev/omap2/dss/dss-of.c @@ -60,6 +60,8 @@ omapdss_of_get_next_port(const struct device_node *parent, } prev = port; } while (of_node_cmp(port->name, "port") != 0); + + of_node_put(ports); } return port; @@ -94,7 +96,7 @@ struct device_node *dss_of_port_get_parent_device(struct device_node *port) if (!port) return NULL; - np = of_get_next_parent(port); + np = of_get_parent(port); for (i = 0; i < 2 && np; ++i) { struct property *prop; diff --git a/drivers/video/fbdev/pxa3xx-gcu.c b/drivers/video/fbdev/pxa3xx-gcu.c index 86bd457d039d..50bce45e7f3d 100644 --- a/drivers/video/fbdev/pxa3xx-gcu.c +++ b/drivers/video/fbdev/pxa3xx-gcu.c @@ -653,7 +653,7 @@ static int pxa3xx_gcu_probe(struct platform_device *pdev) goto err_free_dma; } - ret = clk_enable(priv->clk); + ret = clk_prepare_enable(priv->clk); if (ret < 0) { dev_err(dev, "failed to enable clock\n"); goto err_misc_deregister; @@ -685,7 +685,7 @@ err_misc_deregister: misc_deregister(&priv->misc_dev); err_disable_clk: - clk_disable(priv->clk); + clk_disable_unprepare(priv->clk); return ret; } diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c index 86621fabbb8b..735355b0e023 100644 --- a/drivers/video/fbdev/stifb.c +++ b/drivers/video/fbdev/stifb.c @@ -121,6 +121,7 @@ static int __initdata stifb_bpp_pref[MAX_STI_ROMS]; #define REG_3 0x0004a0 #define REG_4 0x000600 #define REG_6 0x000800 +#define REG_7 0x000804 #define REG_8 0x000820 #define REG_9 0x000a04 #define REG_10 0x018000 @@ -135,6 +136,8 @@ static int __initdata stifb_bpp_pref[MAX_STI_ROMS]; #define REG_21 0x200218 #define REG_22 0x0005a0 #define REG_23 0x0005c0 +#define REG_24 0x000808 +#define REG_25 0x000b00 #define REG_26 0x200118 #define REG_27 0x200308 #define REG_32 0x21003c @@ -429,6 +432,9 @@ ARTIST_ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable) #define SET_LENXY_START_RECFILL(fb, lenxy) \ WRITE_WORD(lenxy, fb, REG_9) +#define SETUP_COPYAREA(fb) \ + WRITE_BYTE(0, fb, REG_16b1) + static void HYPER_ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable) { @@ -1004,6 +1010,36 @@ stifb_blank(int blank_mode, struct fb_info *info) return 0; } +static void +stifb_copyarea(struct fb_info *info, const struct fb_copyarea *area) +{ + struct stifb_info *fb = container_of(info, struct stifb_info, info); + + SETUP_COPYAREA(fb); + + SETUP_HW(fb); + if (fb->info.var.bits_per_pixel == 32) { + WRITE_WORD(0xBBA0A000, fb, REG_10); + + NGLE_REALLY_SET_IMAGE_PLANEMASK(fb, 0xffffffff); + } else { + WRITE_WORD(fb->id == S9000_ID_HCRX ? 0x13a02000 : 0x13a01000, fb, REG_10); + + NGLE_REALLY_SET_IMAGE_PLANEMASK(fb, 0xff); + } + + NGLE_QUICK_SET_IMAGE_BITMAP_OP(fb, + IBOvals(RopSrc, MaskAddrOffset(0), + BitmapExtent08, StaticReg(1), + DataDynamic, MaskOtc, BGx(0), FGx(0))); + + WRITE_WORD(((area->sx << 16) | area->sy), fb, REG_24); + WRITE_WORD(((area->width << 16) | area->height), fb, REG_7); + WRITE_WORD(((area->dx << 16) | area->dy), fb, REG_25); + + SETUP_FB(fb); +} + static void __init stifb_init_display(struct stifb_info *fb) { @@ -1069,7 +1105,7 @@ static struct fb_ops stifb_ops = { .fb_setcolreg = stifb_setcolreg, .fb_blank = stifb_blank, .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, + .fb_copyarea = stifb_copyarea, .fb_imageblit = cfb_imageblit, }; @@ -1258,7 +1294,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref) info->fbops = &stifb_ops; info->screen_base = ioremap_nocache(REGION_BASE(fb,1), fix->smem_len); info->screen_size = fix->smem_len; - info->flags = FBINFO_DEFAULT; + info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA; info->pseudo_palette = &fb->pseudo_palette; /* This has to be done !!! */ diff --git a/drivers/video/of_videomode.c b/drivers/video/of_videomode.c index 111c2d1911d3..b5102aa6090d 100644 --- a/drivers/video/of_videomode.c +++ b/drivers/video/of_videomode.c @@ -44,11 +44,9 @@ int of_get_videomode(struct device_node *np, struct videomode *vm, index = disp->native_mode; ret = videomode_from_timings(disp, vm, index); - if (ret) - return ret; display_timings_release(disp); - return 0; + return ret; } EXPORT_SYMBOL_GPL(of_get_videomode); diff --git a/drivers/virtio/virtio_input.c b/drivers/virtio/virtio_input.c index 60e2a1677563..c96944b59856 100644 --- a/drivers/virtio/virtio_input.c +++ b/drivers/virtio/virtio_input.c @@ -313,6 +313,7 @@ err_init_vq: static void virtinput_remove(struct virtio_device *vdev) { struct virtio_input *vi = vdev->priv; + void *buf; unsigned long flags; spin_lock_irqsave(&vi->lock, flags); @@ -320,6 +321,9 @@ static void virtinput_remove(struct virtio_device *vdev) spin_unlock_irqrestore(&vi->lock, flags); input_unregister_device(vi->idev); + vdev->config->reset(vdev); + while ((buf = virtqueue_detach_unused_buf(vi->sts)) != NULL) + kfree(buf); vdev->config->del_vqs(vdev); kfree(vi); } diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c index c1b03f4235b9..4e7fec36f5c3 100644 --- a/drivers/watchdog/sp805_wdt.c +++ b/drivers/watchdog/sp805_wdt.c @@ -4,7 +4,7 @@ * Watchdog driver for ARM SP805 watchdog module * * Copyright (C) 2010 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2 or later. This program is licensed "as is" without any @@ -303,6 +303,6 @@ static struct amba_driver sp805_wdt_driver = { module_amba_driver(sp805_wdt_driver); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ARM SP805 Watchdog Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index fd933695f232..bf4a23c7c591 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -472,7 +472,7 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp) } /* - * We avoid multiple worker processes conflicting via the balloon mutex. + * As this is a work item it is guaranteed to run as a single instance only. * We may of course race updates of the target counts (which are protected * by the balloon lock), or with changes to the Xen hard limit, but we will * recover from these in time. @@ -482,9 +482,10 @@ static void balloon_process(struct work_struct *work) enum bp_state state = BP_DONE; long credit; - mutex_lock(&balloon_mutex); do { + mutex_lock(&balloon_mutex); + credit = current_credit(); if (credit > 0) { @@ -499,17 +500,15 @@ static void balloon_process(struct work_struct *work) state = update_schedule(state); -#ifndef CONFIG_PREEMPT - if (need_resched()) - schedule(); -#endif + mutex_unlock(&balloon_mutex); + + cond_resched(); + } while (credit && state == BP_DONE); /* Schedule more work if there is some still to be done. */ if (state == BP_EAGAIN) schedule_delayed_work(&balloon_worker, balloon_stats.schedule_delay * HZ); - - mutex_unlock(&balloon_mutex); } /* Resets the Xen limit, sets new target, and kicks off processing. */ diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 67b9163db718..0dbb222daaf1 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -568,12 +568,14 @@ static int gntdev_release(struct inode *inode, struct file *flip) pr_debug("priv %p\n", priv); + mutex_lock(&priv->lock); while (!list_empty(&priv->maps)) { map = list_entry(priv->maps.next, struct grant_map, next); list_del(&map->next); gntdev_put_map(NULL /* already removed */, map); } WARN_ON(!list_empty(&priv->freeable_maps)); + mutex_unlock(&priv->lock); if (use_ptemod) mmu_notifier_unregister(&priv->mn, priv->mm); diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index 9ad327238ba9..e30353575d5d 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -814,8 +814,10 @@ static int xenbus_unmap_ring_vfree_hvm(struct xenbus_device *dev, void *vaddr) rv = xenbus_unmap_ring(dev, node->handles, node->nr_handles, addrs); - if (!rv) + if (!rv) { vunmap(vaddr); + free_xenballooned_pages(node->nr_handles, node->hvm.pages); + } else WARN(1, "Leaking %p, size %u page(s)\n", vaddr, node->nr_handles); diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 510040b04c96..b1dc51888048 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -540,8 +540,7 @@ static struct inode *v9fs_qid_iget(struct super_block *sb, unlock_new_inode(inode); return inode; error: - unlock_new_inode(inode); - iput(inode); + iget_failed(inode); return ERR_PTR(retval); } diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index 09e4433717b8..e8aa57dc8d6d 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -149,8 +149,7 @@ static struct inode *v9fs_qid_iget_dotl(struct super_block *sb, unlock_new_inode(inode); return inode; error: - unlock_new_inode(inode); - iput(inode); + iget_failed(inode); return ERR_PTR(retval); } diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index 0ef5cc13fae2..81220b2203c6 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -44,6 +44,8 @@ #define BTRFS_INODE_IN_DELALLOC_LIST 9 #define BTRFS_INODE_READDIO_NEED_LOCK 10 #define BTRFS_INODE_HAS_PROPS 11 +/* DIO is ready to submit */ +#define BTRFS_INODE_DIO_READY 12 /* * The following 3 bits are meant only for the btree inode. * When any of them is set, it means an error happened while writing an diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 80a9aefb0c46..aac314e14188 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1778,6 +1778,7 @@ struct btrfs_fs_info { spinlock_t unused_bgs_lock; struct list_head unused_bgs; struct mutex unused_bg_unpin_mutex; + struct mutex delete_unused_bgs_mutex; /* For btrfs to record security options */ struct security_mnt_opts security_opts; diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index 862fbc206755..564a7de17d99 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -378,7 +378,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root, ret = btrfs_kobj_add_device(tgt_device->fs_devices, tgt_device); if (ret) - btrfs_error(root->fs_info, ret, "kobj add dev failed"); + btrfs_err(root->fs_info, "kobj add dev failed %d\n", ret); printk_in_rcu(KERN_INFO "BTRFS: dev_replace from %s (devid %llu) to %s started\n", diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 3f43bfea3684..f556c3732c2c 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1751,6 +1751,7 @@ static int cleaner_kthread(void *arg) { struct btrfs_root *root = arg; int again; + struct btrfs_trans_handle *trans; do { again = 0; @@ -1772,7 +1773,6 @@ static int cleaner_kthread(void *arg) } btrfs_run_delayed_iputs(root); - btrfs_delete_unused_bgs(root->fs_info); again = btrfs_clean_one_deleted_snapshot(root); mutex_unlock(&root->fs_info->cleaner_mutex); @@ -1781,6 +1781,16 @@ static int cleaner_kthread(void *arg) * needn't do anything special here. */ btrfs_run_defrag_inodes(root->fs_info); + + /* + * Acquires fs_info->delete_unused_bgs_mutex to avoid racing + * with relocation (btrfs_relocate_chunk) and relocation + * acquires fs_info->cleaner_mutex (btrfs_relocate_block_group) + * after acquiring fs_info->delete_unused_bgs_mutex. So we + * can't hold, nor need to, fs_info->cleaner_mutex when deleting + * unused block groups. + */ + btrfs_delete_unused_bgs(root->fs_info); sleep: if (!try_to_freeze() && !again) { set_current_state(TASK_INTERRUPTIBLE); @@ -1789,6 +1799,34 @@ sleep: __set_current_state(TASK_RUNNING); } } while (!kthread_should_stop()); + + /* + * Transaction kthread is stopped before us and wakes us up. + * However we might have started a new transaction and COWed some + * tree blocks when deleting unused block groups for example. So + * make sure we commit the transaction we started to have a clean + * shutdown when evicting the btree inode - if it has dirty pages + * when we do the final iput() on it, eviction will trigger a + * writeback for it which will fail with null pointer dereferences + * since work queues and other resources were already released and + * destroyed by the time the iput/eviction/writeback is made. + */ + trans = btrfs_attach_transaction(root); + if (IS_ERR(trans)) { + if (PTR_ERR(trans) != -ENOENT) + btrfs_err(root->fs_info, + "cleaner transaction attach returned %ld", + PTR_ERR(trans)); + } else { + int ret; + + ret = btrfs_commit_transaction(trans, root); + if (ret) + btrfs_err(root->fs_info, + "cleaner open transaction commit returned %d", + ret); + } + return 0; } @@ -2492,6 +2530,7 @@ int open_ctree(struct super_block *sb, spin_lock_init(&fs_info->unused_bgs_lock); rwlock_init(&fs_info->tree_mod_log_lock); mutex_init(&fs_info->unused_bg_unpin_mutex); + mutex_init(&fs_info->delete_unused_bgs_mutex); mutex_init(&fs_info->reloc_mutex); mutex_init(&fs_info->delalloc_root_mutex); seqlock_init(&fs_info->profiles_lock); @@ -2803,6 +2842,7 @@ int open_ctree(struct super_block *sb, !extent_buffer_uptodate(chunk_root->node)) { printk(KERN_ERR "BTRFS: failed to read chunk root on %s\n", sb->s_id); + chunk_root->node = NULL; goto fail_tree_roots; } btrfs_set_root_node(&chunk_root->root_item, chunk_root->node); @@ -2840,7 +2880,7 @@ retry_root_backup: !extent_buffer_uptodate(tree_root->node)) { printk(KERN_WARNING "BTRFS: failed to read tree root on %s\n", sb->s_id); - + tree_root->node = NULL; goto recovery_tree_root; } diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 38b76cc02f48..07204bf601ed 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2296,9 +2296,22 @@ static int run_one_delayed_ref(struct btrfs_trans_handle *trans, static inline struct btrfs_delayed_ref_node * select_delayed_ref(struct btrfs_delayed_ref_head *head) { + struct btrfs_delayed_ref_node *ref; + if (list_empty(&head->ref_list)) return NULL; + /* + * Select a delayed ref of type BTRFS_ADD_DELAYED_REF first. + * This is to prevent a ref count from going down to zero, which deletes + * the extent item from the extent tree, when there still are references + * to add, which would fail because they would not find the extent item. + */ + list_for_each_entry(ref, &head->ref_list, list) { + if (ref->action == BTRFS_ADD_DELAYED_REF) + return ref; + } + return list_entry(head->ref_list.next, struct btrfs_delayed_ref_node, list); } @@ -4214,6 +4227,24 @@ out: space_info->chunk_alloc = 0; spin_unlock(&space_info->lock); mutex_unlock(&fs_info->chunk_mutex); + /* + * When we allocate a new chunk we reserve space in the chunk block + * reserve to make sure we can COW nodes/leafs in the chunk tree or + * add new nodes/leafs to it if we end up needing to do it when + * inserting the chunk item and updating device items as part of the + * second phase of chunk allocation, performed by + * btrfs_finish_chunk_alloc(). So make sure we don't accumulate a + * large number of new block groups to create in our transaction + * handle's new_bgs list to avoid exhausting the chunk block reserve + * in extreme cases - like having a single transaction create many new + * block groups when starting to write out the free space caches of all + * the block groups that were made dirty during the lifetime of the + * transaction. + */ + if (trans->chunk_bytes_reserved >= (2 * 1024 * 1024ull)) { + btrfs_create_pending_block_groups(trans, trans->root); + btrfs_trans_release_chunk_metadata(trans); + } return ret; } @@ -9889,6 +9920,8 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) } spin_unlock(&fs_info->unused_bgs_lock); + mutex_lock(&root->fs_info->delete_unused_bgs_mutex); + /* Don't want to race with allocators so take the groups_sem */ down_write(&space_info->groups_sem); spin_lock(&block_group->lock); @@ -9983,6 +10016,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) end_trans: btrfs_end_transaction(trans, root); next: + mutex_unlock(&root->fs_info->delete_unused_bgs_mutex); btrfs_put_block_group(block_group); spin_lock(&fs_info->unused_bgs_lock); } diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c index f6a596d5a637..d4a582ac3f73 100644 --- a/fs/btrfs/inode-map.c +++ b/fs/btrfs/inode-map.c @@ -246,6 +246,7 @@ void btrfs_unpin_free_ino(struct btrfs_root *root) { struct btrfs_free_space_ctl *ctl = root->free_ino_ctl; struct rb_root *rbroot = &root->free_ino_pinned->free_space_offset; + spinlock_t *rbroot_lock = &root->free_ino_pinned->tree_lock; struct btrfs_free_space *info; struct rb_node *n; u64 count; @@ -254,24 +255,30 @@ void btrfs_unpin_free_ino(struct btrfs_root *root) return; while (1) { + bool add_to_ctl = true; + + spin_lock(rbroot_lock); n = rb_first(rbroot); - if (!n) + if (!n) { + spin_unlock(rbroot_lock); break; + } info = rb_entry(n, struct btrfs_free_space, offset_index); BUG_ON(info->bitmap); /* Logic error */ if (info->offset > root->ino_cache_progress) - goto free; + add_to_ctl = false; else if (info->offset + info->bytes > root->ino_cache_progress) count = root->ino_cache_progress - info->offset + 1; else count = info->bytes; - __btrfs_add_free_space(ctl, info->offset, count); -free: rb_erase(&info->offset_index, rbroot); - kfree(info); + spin_unlock(rbroot_lock); + if (add_to_ctl) + __btrfs_add_free_space(ctl, info->offset, count); + kmem_cache_free(btrfs_free_space_cachep, info); } } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 855935f6671a..e33dff356460 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4209,7 +4209,7 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans, u64 extent_num_bytes = 0; u64 extent_offset = 0; u64 item_end = 0; - u64 last_size = (u64)-1; + u64 last_size = new_size; u32 found_type = (u8)-1; int found_extent; int del_item; @@ -4493,8 +4493,7 @@ out: btrfs_abort_transaction(trans, root, ret); } error: - if (last_size != (u64)-1 && - root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) + if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) btrfs_ordered_update_i_size(inode, last_size, NULL); btrfs_free_path(path); @@ -4989,8 +4988,9 @@ static void evict_inode_truncate_pages(struct inode *inode) /* * Keep looping until we have no more ranges in the io tree. * We can have ongoing bios started by readpages (called from readahead) - * that didn't get their end io callbacks called yet or they are still - * in progress ((extent_io.c:end_bio_extent_readpage()). This means some + * that have their endio callback (extent_io.c:end_bio_extent_readpage) + * still in progress (unlocked the pages in the bio but did not yet + * unlocked the ranges in the io tree). Therefore this means some * ranges can still be locked and eviction started because before * submitting those bios, which are executed by a separate task (work * queue kthread), inode references (inode->i_count) were not taken @@ -7546,6 +7546,7 @@ unlock: current->journal_info = outstanding_extents; btrfs_free_reserved_data_space(inode, len); + set_bit(BTRFS_INODE_DIO_READY, &BTRFS_I(inode)->runtime_flags); } /* @@ -7871,8 +7872,6 @@ static void btrfs_endio_direct_write(struct bio *bio, int err) struct bio *dio_bio; int ret; - if (err) - goto out_done; again: ret = btrfs_dec_test_first_ordered_pending(inode, &ordered, &ordered_offset, @@ -7895,7 +7894,6 @@ out_test: ordered = NULL; goto again; } -out_done: dio_bio = dip->dio_bio; kfree(dip); @@ -8163,9 +8161,8 @@ out_err: static void btrfs_submit_direct(int rw, struct bio *dio_bio, struct inode *inode, loff_t file_offset) { - struct btrfs_root *root = BTRFS_I(inode)->root; - struct btrfs_dio_private *dip; - struct bio *io_bio; + struct btrfs_dio_private *dip = NULL; + struct bio *io_bio = NULL; struct btrfs_io_bio *btrfs_bio; int skip_sum; int write = rw & REQ_WRITE; @@ -8182,7 +8179,7 @@ static void btrfs_submit_direct(int rw, struct bio *dio_bio, dip = kzalloc(sizeof(*dip), GFP_NOFS); if (!dip) { ret = -ENOMEM; - goto free_io_bio; + goto free_ordered; } dip->private = dio_bio->bi_private; @@ -8210,25 +8207,55 @@ static void btrfs_submit_direct(int rw, struct bio *dio_bio, if (btrfs_bio->end_io) btrfs_bio->end_io(btrfs_bio, ret); -free_io_bio: - bio_put(io_bio); free_ordered: /* - * If this is a write, we need to clean up the reserved space and kill - * the ordered extent. + * If we arrived here it means either we failed to submit the dip + * or we either failed to clone the dio_bio or failed to allocate the + * dip. If we cloned the dio_bio and allocated the dip, we can just + * call bio_endio against our io_bio so that we get proper resource + * cleanup if we fail to submit the dip, otherwise, we must do the + * same as btrfs_endio_direct_[write|read] because we can't call these + * callbacks - they require an allocated dip and a clone of dio_bio. */ - if (write) { - struct btrfs_ordered_extent *ordered; - ordered = btrfs_lookup_ordered_extent(inode, file_offset); - if (!test_bit(BTRFS_ORDERED_PREALLOC, &ordered->flags) && - !test_bit(BTRFS_ORDERED_NOCOW, &ordered->flags)) - btrfs_free_reserved_extent(root, ordered->start, - ordered->disk_len, 1); - btrfs_put_ordered_extent(ordered); - btrfs_put_ordered_extent(ordered); + if (io_bio && dip) { + bio_endio(io_bio, ret); + /* + * The end io callbacks free our dip, do the final put on io_bio + * and all the cleanup and final put for dio_bio (through + * dio_end_io()). + */ + dip = NULL; + io_bio = NULL; + } else { + if (write) { + struct btrfs_ordered_extent *ordered; + + ordered = btrfs_lookup_ordered_extent(inode, + file_offset); + set_bit(BTRFS_ORDERED_IOERR, &ordered->flags); + /* + * Decrements our ref on the ordered extent and removes + * the ordered extent from the inode's ordered tree, + * doing all the proper resource cleanup such as for the + * reserved space and waking up any waiters for this + * ordered extent (through btrfs_remove_ordered_extent). + */ + btrfs_finish_ordered_io(ordered); + } else { + unlock_extent(&BTRFS_I(inode)->io_tree, file_offset, + file_offset + dio_bio->bi_iter.bi_size - 1); + } + clear_bit(BIO_UPTODATE, &dio_bio->bi_flags); + /* + * Releases and cleans up our dio_bio, no need to bio_put() + * nor bio_endio()/bio_io_error() against dio_bio. + */ + dio_end_io(dio_bio, ret); } - bio_endio(dio_bio, ret); + if (io_bio) + bio_put(io_bio); + kfree(dip); } static ssize_t check_direct_IO(struct btrfs_root *root, struct kiocb *iocb, @@ -8330,9 +8357,18 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter, btrfs_submit_direct, flags); if (iov_iter_rw(iter) == WRITE) { current->journal_info = NULL; - if (ret < 0 && ret != -EIOCBQUEUED) - btrfs_delalloc_release_space(inode, count); - else if (ret >= 0 && (size_t)ret < count) + if (ret < 0 && ret != -EIOCBQUEUED) { + /* + * If the error comes from submitting stage, + * btrfs_get_blocsk_direct() has free'd data space, + * and metadata space will be handled by + * finish_ordered_fn, don't do that again to make + * sure bytes_may_use is correct. + */ + if (!test_and_clear_bit(BTRFS_INODE_DIO_READY, + &BTRFS_I(inode)->runtime_flags)) + btrfs_delalloc_release_space(inode, count); + } else if (ret >= 0 && (size_t)ret < count) btrfs_delalloc_release_space(inode, count - (size_t)ret); } diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index c86b835da7a8..0770c91586ca 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -87,7 +87,8 @@ struct btrfs_ioctl_received_subvol_args_32 { static int btrfs_clone(struct inode *src, struct inode *inode, - u64 off, u64 olen, u64 olen_aligned, u64 destoff); + u64 off, u64 olen, u64 olen_aligned, u64 destoff, + int no_time_update); /* Mask out flags that are inappropriate for the given type of inode. */ static inline __u32 btrfs_mask_flags(umode_t mode, __u32 flags) @@ -2765,14 +2766,11 @@ out: return ret; } -static struct page *extent_same_get_page(struct inode *inode, u64 off) +static struct page *extent_same_get_page(struct inode *inode, pgoff_t index) { struct page *page; - pgoff_t index; struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree; - index = off >> PAGE_CACHE_SHIFT; - page = grab_cache_page(inode->i_mapping, index); if (!page) return NULL; @@ -2793,6 +2791,20 @@ static struct page *extent_same_get_page(struct inode *inode, u64 off) return page; } +static int gather_extent_pages(struct inode *inode, struct page **pages, + int num_pages, u64 off) +{ + int i; + pgoff_t index = off >> PAGE_CACHE_SHIFT; + + for (i = 0; i < num_pages; i++) { + pages[i] = extent_same_get_page(inode, index + i); + if (!pages[i]) + return -ENOMEM; + } + return 0; +} + static inline void lock_extent_range(struct inode *inode, u64 off, u64 len) { /* do any pending delalloc/csum calc on src, one way or @@ -2818,52 +2830,120 @@ static inline void lock_extent_range(struct inode *inode, u64 off, u64 len) } } -static void btrfs_double_unlock(struct inode *inode1, u64 loff1, - struct inode *inode2, u64 loff2, u64 len) +static void btrfs_double_inode_unlock(struct inode *inode1, struct inode *inode2) { - unlock_extent(&BTRFS_I(inode1)->io_tree, loff1, loff1 + len - 1); - unlock_extent(&BTRFS_I(inode2)->io_tree, loff2, loff2 + len - 1); - mutex_unlock(&inode1->i_mutex); mutex_unlock(&inode2->i_mutex); } -static void btrfs_double_lock(struct inode *inode1, u64 loff1, - struct inode *inode2, u64 loff2, u64 len) +static void btrfs_double_inode_lock(struct inode *inode1, struct inode *inode2) +{ + if (inode1 < inode2) + swap(inode1, inode2); + + mutex_lock_nested(&inode1->i_mutex, I_MUTEX_PARENT); + if (inode1 != inode2) + mutex_lock_nested(&inode2->i_mutex, I_MUTEX_CHILD); +} + +static void btrfs_double_extent_unlock(struct inode *inode1, u64 loff1, + struct inode *inode2, u64 loff2, u64 len) +{ + unlock_extent(&BTRFS_I(inode1)->io_tree, loff1, loff1 + len - 1); + unlock_extent(&BTRFS_I(inode2)->io_tree, loff2, loff2 + len - 1); +} + +static void btrfs_double_extent_lock(struct inode *inode1, u64 loff1, + struct inode *inode2, u64 loff2, u64 len) { if (inode1 < inode2) { swap(inode1, inode2); swap(loff1, loff2); } - - mutex_lock_nested(&inode1->i_mutex, I_MUTEX_PARENT); lock_extent_range(inode1, loff1, len); - if (inode1 != inode2) { - mutex_lock_nested(&inode2->i_mutex, I_MUTEX_CHILD); + if (inode1 != inode2) lock_extent_range(inode2, loff2, len); +} + +struct cmp_pages { + int num_pages; + struct page **src_pages; + struct page **dst_pages; +}; + +static void btrfs_cmp_data_free(struct cmp_pages *cmp) +{ + int i; + struct page *pg; + + for (i = 0; i < cmp->num_pages; i++) { + pg = cmp->src_pages[i]; + if (pg) + page_cache_release(pg); + pg = cmp->dst_pages[i]; + if (pg) + page_cache_release(pg); + } + kfree(cmp->src_pages); + kfree(cmp->dst_pages); +} + +static int btrfs_cmp_data_prepare(struct inode *src, u64 loff, + struct inode *dst, u64 dst_loff, + u64 len, struct cmp_pages *cmp) +{ + int ret; + int num_pages = PAGE_CACHE_ALIGN(len) >> PAGE_CACHE_SHIFT; + struct page **src_pgarr, **dst_pgarr; + + /* + * We must gather up all the pages before we initiate our + * extent locking. We use an array for the page pointers. Size + * of the array is bounded by len, which is in turn bounded by + * BTRFS_MAX_DEDUPE_LEN. + */ + src_pgarr = kzalloc(num_pages * sizeof(struct page *), GFP_NOFS); + dst_pgarr = kzalloc(num_pages * sizeof(struct page *), GFP_NOFS); + if (!src_pgarr || !dst_pgarr) { + kfree(src_pgarr); + kfree(dst_pgarr); + return -ENOMEM; } + cmp->num_pages = num_pages; + cmp->src_pages = src_pgarr; + cmp->dst_pages = dst_pgarr; + + ret = gather_extent_pages(src, cmp->src_pages, cmp->num_pages, loff); + if (ret) + goto out; + + ret = gather_extent_pages(dst, cmp->dst_pages, cmp->num_pages, dst_loff); + +out: + if (ret) + btrfs_cmp_data_free(cmp); + return 0; } static int btrfs_cmp_data(struct inode *src, u64 loff, struct inode *dst, - u64 dst_loff, u64 len) + u64 dst_loff, u64 len, struct cmp_pages *cmp) { int ret = 0; + int i; struct page *src_page, *dst_page; unsigned int cmp_len = PAGE_CACHE_SIZE; void *addr, *dst_addr; + i = 0; while (len) { if (len < PAGE_CACHE_SIZE) cmp_len = len; - src_page = extent_same_get_page(src, loff); - if (!src_page) - return -EINVAL; - dst_page = extent_same_get_page(dst, dst_loff); - if (!dst_page) { - page_cache_release(src_page); - return -EINVAL; - } + BUG_ON(i >= cmp->num_pages); + + src_page = cmp->src_pages[i]; + dst_page = cmp->dst_pages[i]; + addr = kmap_atomic(src_page); dst_addr = kmap_atomic(dst_page); @@ -2875,15 +2955,12 @@ static int btrfs_cmp_data(struct inode *src, u64 loff, struct inode *dst, kunmap_atomic(addr); kunmap_atomic(dst_addr); - page_cache_release(src_page); - page_cache_release(dst_page); if (ret) break; - loff += cmp_len; - dst_loff += cmp_len; len -= cmp_len; + i++; } return ret; @@ -2914,27 +2991,62 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen, { int ret; u64 len = olen; + struct cmp_pages cmp; + int same_inode = 0; + u64 same_lock_start = 0; + u64 same_lock_len = 0; - /* - * btrfs_clone() can't handle extents in the same file - * yet. Once that works, we can drop this check and replace it - * with a check for the same inode, but overlapping extents. - */ if (src == dst) - return -EINVAL; + same_inode = 1; if (len == 0) return 0; - btrfs_double_lock(src, loff, dst, dst_loff, len); + if (same_inode) { + mutex_lock(&src->i_mutex); - ret = extent_same_check_offsets(src, loff, &len, olen); - if (ret) - goto out_unlock; + ret = extent_same_check_offsets(src, loff, &len, olen); + if (ret) + goto out_unlock; - ret = extent_same_check_offsets(dst, dst_loff, &len, olen); - if (ret) - goto out_unlock; + /* + * Single inode case wants the same checks, except we + * don't want our length pushed out past i_size as + * comparing that data range makes no sense. + * + * extent_same_check_offsets() will do this for an + * unaligned length at i_size, so catch it here and + * reject the request. + * + * This effectively means we require aligned extents + * for the single-inode case, whereas the other cases + * allow an unaligned length so long as it ends at + * i_size. + */ + if (len != olen) { + ret = -EINVAL; + goto out_unlock; + } + + /* Check for overlapping ranges */ + if (dst_loff + len > loff && dst_loff < loff + len) { + ret = -EINVAL; + goto out_unlock; + } + + same_lock_start = min_t(u64, loff, dst_loff); + same_lock_len = max_t(u64, loff, dst_loff) + len - same_lock_start; + } else { + btrfs_double_inode_lock(src, dst); + + ret = extent_same_check_offsets(src, loff, &len, olen); + if (ret) + goto out_unlock; + + ret = extent_same_check_offsets(dst, dst_loff, &len, olen); + if (ret) + goto out_unlock; + } /* don't make the dst file partly checksummed */ if ((BTRFS_I(src)->flags & BTRFS_INODE_NODATASUM) != @@ -2943,12 +3055,32 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen, goto out_unlock; } - ret = btrfs_cmp_data(src, loff, dst, dst_loff, len); + ret = btrfs_cmp_data_prepare(src, loff, dst, dst_loff, olen, &cmp); + if (ret) + goto out_unlock; + + if (same_inode) + lock_extent_range(src, same_lock_start, same_lock_len); + else + btrfs_double_extent_lock(src, loff, dst, dst_loff, len); + + /* pass original length for comparison so we stay within i_size */ + ret = btrfs_cmp_data(src, loff, dst, dst_loff, olen, &cmp); if (ret == 0) - ret = btrfs_clone(src, dst, loff, olen, len, dst_loff); + ret = btrfs_clone(src, dst, loff, olen, len, dst_loff, 1); + + if (same_inode) + unlock_extent(&BTRFS_I(src)->io_tree, same_lock_start, + same_lock_start + same_lock_len - 1); + else + btrfs_double_extent_unlock(src, loff, dst, dst_loff, len); + btrfs_cmp_data_free(&cmp); out_unlock: - btrfs_double_unlock(src, loff, dst, dst_loff, len); + if (same_inode) + mutex_unlock(&src->i_mutex); + else + btrfs_double_inode_unlock(src, dst); return ret; } @@ -2958,7 +3090,7 @@ out_unlock: static long btrfs_ioctl_file_extent_same(struct file *file, struct btrfs_ioctl_same_args __user *argp) { - struct btrfs_ioctl_same_args *same; + struct btrfs_ioctl_same_args *same = NULL; struct btrfs_ioctl_same_extent_info *info; struct inode *src = file_inode(file); u64 off; @@ -2988,6 +3120,7 @@ static long btrfs_ioctl_file_extent_same(struct file *file, if (IS_ERR(same)) { ret = PTR_ERR(same); + same = NULL; goto out; } @@ -3058,6 +3191,7 @@ static long btrfs_ioctl_file_extent_same(struct file *file, out: mnt_drop_write_file(file); + kfree(same); return ret; } @@ -3100,13 +3234,15 @@ static int clone_finish_inode_update(struct btrfs_trans_handle *trans, struct inode *inode, u64 endoff, const u64 destoff, - const u64 olen) + const u64 olen, + int no_time_update) { struct btrfs_root *root = BTRFS_I(inode)->root; int ret; inode_inc_iversion(inode); - inode->i_mtime = inode->i_ctime = CURRENT_TIME; + if (!no_time_update) + inode->i_mtime = inode->i_ctime = CURRENT_TIME; /* * We round up to the block size at eof when determining which * extents to clone above, but shouldn't round up the file size. @@ -3191,13 +3327,13 @@ static void clone_update_extent_map(struct inode *inode, * @inode: Inode to clone to * @off: Offset within source to start clone from * @olen: Original length, passed by user, of range to clone - * @olen_aligned: Block-aligned value of olen, extent_same uses - * identical values here + * @olen_aligned: Block-aligned value of olen * @destoff: Offset within @inode to start clone + * @no_time_update: Whether to update mtime/ctime on the target inode */ static int btrfs_clone(struct inode *src, struct inode *inode, const u64 off, const u64 olen, const u64 olen_aligned, - const u64 destoff) + const u64 destoff, int no_time_update) { struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_path *path = NULL; @@ -3452,6 +3588,20 @@ process_slot: u64 trim = 0; u64 aligned_end = 0; + /* + * Don't copy an inline extent into an offset + * greater than zero. Having an inline extent + * at such an offset results in chaos as btrfs + * isn't prepared for such cases. Just skip + * this case for the same reasons as commented + * at btrfs_ioctl_clone(). + */ + if (last_dest_end > 0) { + ret = -EOPNOTSUPP; + btrfs_end_transaction(trans, root); + goto out; + } + if (off > key.offset) { skip = off - key.offset; new_key.offset += skip; @@ -3521,7 +3671,8 @@ process_slot: root->sectorsize); ret = clone_finish_inode_update(trans, inode, last_dest_end, - destoff, olen); + destoff, olen, + no_time_update); if (ret) goto out; if (new_key.offset + datal >= destoff + len) @@ -3559,7 +3710,7 @@ process_slot: clone_update_extent_map(inode, trans, NULL, last_dest_end, destoff + len - last_dest_end); ret = clone_finish_inode_update(trans, inode, destoff + len, - destoff, olen); + destoff, olen, no_time_update); } out: @@ -3696,7 +3847,7 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, lock_extent_range(inode, destoff, len); } - ret = btrfs_clone(src, inode, off, olen, len, destoff); + ret = btrfs_clone(src, inode, off, olen, len, destoff, 0); if (same_inode) { u64 lock_start = min_t(u64, off, destoff); diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 89656d799ff6..52170cf1757e 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -552,6 +552,10 @@ void btrfs_put_ordered_extent(struct btrfs_ordered_extent *entry) trace_btrfs_ordered_extent_put(entry->inode, entry); if (atomic_dec_and_test(&entry->refs)) { + ASSERT(list_empty(&entry->log_list)); + ASSERT(list_empty(&entry->trans_list)); + ASSERT(list_empty(&entry->root_extent_list)); + ASSERT(RB_EMPTY_NODE(&entry->rb_node)); if (entry->inode) btrfs_add_delayed_iput(entry->inode); while (!list_empty(&entry->list)) { @@ -579,6 +583,7 @@ void btrfs_remove_ordered_extent(struct inode *inode, spin_lock_irq(&tree->lock); node = &entry->rb_node; rb_erase(node, &tree->tree); + RB_CLEAR_NODE(node); if (tree->last == node) tree->last = NULL; set_bit(BTRFS_ORDERED_COMPLETE, &entry->flags); diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index d5f1f033b7a0..8a8202956576 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1349,6 +1349,11 @@ int btrfs_limit_qgroup(struct btrfs_trans_handle *trans, struct btrfs_root *quota_root; struct btrfs_qgroup *qgroup; int ret = 0; + /* Sometimes we would want to clear the limit on this qgroup. + * To meet this requirement, we treat the -1 as a special value + * which tell kernel to clear the limit on this qgroup. + */ + const u64 CLEAR_VALUE = -1; mutex_lock(&fs_info->qgroup_ioctl_lock); quota_root = fs_info->quota_root; @@ -1364,14 +1369,42 @@ int btrfs_limit_qgroup(struct btrfs_trans_handle *trans, } spin_lock(&fs_info->qgroup_lock); - if (limit->flags & BTRFS_QGROUP_LIMIT_MAX_RFER) - qgroup->max_rfer = limit->max_rfer; - if (limit->flags & BTRFS_QGROUP_LIMIT_MAX_EXCL) - qgroup->max_excl = limit->max_excl; - if (limit->flags & BTRFS_QGROUP_LIMIT_RSV_RFER) - qgroup->rsv_rfer = limit->rsv_rfer; - if (limit->flags & BTRFS_QGROUP_LIMIT_RSV_EXCL) - qgroup->rsv_excl = limit->rsv_excl; + if (limit->flags & BTRFS_QGROUP_LIMIT_MAX_RFER) { + if (limit->max_rfer == CLEAR_VALUE) { + qgroup->lim_flags &= ~BTRFS_QGROUP_LIMIT_MAX_RFER; + limit->flags &= ~BTRFS_QGROUP_LIMIT_MAX_RFER; + qgroup->max_rfer = 0; + } else { + qgroup->max_rfer = limit->max_rfer; + } + } + if (limit->flags & BTRFS_QGROUP_LIMIT_MAX_EXCL) { + if (limit->max_excl == CLEAR_VALUE) { + qgroup->lim_flags &= ~BTRFS_QGROUP_LIMIT_MAX_EXCL; + limit->flags &= ~BTRFS_QGROUP_LIMIT_MAX_EXCL; + qgroup->max_excl = 0; + } else { + qgroup->max_excl = limit->max_excl; + } + } + if (limit->flags & BTRFS_QGROUP_LIMIT_RSV_RFER) { + if (limit->rsv_rfer == CLEAR_VALUE) { + qgroup->lim_flags &= ~BTRFS_QGROUP_LIMIT_RSV_RFER; + limit->flags &= ~BTRFS_QGROUP_LIMIT_RSV_RFER; + qgroup->rsv_rfer = 0; + } else { + qgroup->rsv_rfer = limit->rsv_rfer; + } + } + if (limit->flags & BTRFS_QGROUP_LIMIT_RSV_EXCL) { + if (limit->rsv_excl == CLEAR_VALUE) { + qgroup->lim_flags &= ~BTRFS_QGROUP_LIMIT_RSV_EXCL; + limit->flags &= ~BTRFS_QGROUP_LIMIT_RSV_EXCL; + qgroup->rsv_excl = 0; + } else { + qgroup->rsv_excl = limit->rsv_excl; + } + } qgroup->lim_flags |= limit->flags; spin_unlock(&fs_info->qgroup_lock); @@ -1618,6 +1651,11 @@ static int qgroup_update_counters(struct btrfs_fs_info *fs_info, /* Exclusive -> exclusive, nothing changed */ } } + + /* For exclusive extent, free its reserved bytes too */ + if (nr_old_roots == 0 && nr_new_roots == 1 && + cur_new_count == nr_new_roots) + qg->reserved -= num_bytes; if (dirty) qgroup_dirty(fs_info, qg); } diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 827951fbf7fc..88cbb5995667 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -4049,7 +4049,7 @@ restart: if (trans && progress && err == -ENOSPC) { ret = btrfs_force_chunk_alloc(trans, rc->extent_root, rc->block_group->flags); - if (ret == 0) { + if (ret == 1) { err = 0; progress = 0; goto restart; diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 9f2feabe99f2..94db0fa5225a 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -3571,7 +3571,6 @@ static noinline_for_stack int scrub_supers(struct scrub_ctx *sctx, static noinline_for_stack int scrub_workers_get(struct btrfs_fs_info *fs_info, int is_dev_replace) { - int ret = 0; unsigned int flags = WQ_FREEZABLE | WQ_UNBOUND; int max_active = fs_info->thread_pool_size; @@ -3584,34 +3583,36 @@ static noinline_for_stack int scrub_workers_get(struct btrfs_fs_info *fs_info, fs_info->scrub_workers = btrfs_alloc_workqueue("btrfs-scrub", flags, max_active, 4); - if (!fs_info->scrub_workers) { - ret = -ENOMEM; - goto out; - } + if (!fs_info->scrub_workers) + goto fail_scrub_workers; + fs_info->scrub_wr_completion_workers = btrfs_alloc_workqueue("btrfs-scrubwrc", flags, max_active, 2); - if (!fs_info->scrub_wr_completion_workers) { - ret = -ENOMEM; - goto out; - } + if (!fs_info->scrub_wr_completion_workers) + goto fail_scrub_wr_completion_workers; + fs_info->scrub_nocow_workers = btrfs_alloc_workqueue("btrfs-scrubnc", flags, 1, 0); - if (!fs_info->scrub_nocow_workers) { - ret = -ENOMEM; - goto out; - } + if (!fs_info->scrub_nocow_workers) + goto fail_scrub_nocow_workers; fs_info->scrub_parity_workers = btrfs_alloc_workqueue("btrfs-scrubparity", flags, max_active, 2); - if (!fs_info->scrub_parity_workers) { - ret = -ENOMEM; - goto out; - } + if (!fs_info->scrub_parity_workers) + goto fail_scrub_parity_workers; } ++fs_info->scrub_workers_refcnt; -out: - return ret; + return 0; + +fail_scrub_parity_workers: + btrfs_destroy_workqueue(fs_info->scrub_nocow_workers); +fail_scrub_nocow_workers: + btrfs_destroy_workqueue(fs_info->scrub_wr_completion_workers); +fail_scrub_wr_completion_workers: + btrfs_destroy_workqueue(fs_info->scrub_workers); +fail_scrub_workers: + return -ENOMEM; } static noinline_for_stack void scrub_workers_put(struct btrfs_fs_info *fs_info) diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index c0f18e7266b6..f5021fcb154e 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -761,7 +761,7 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans, if (!list_empty(&trans->ordered)) { spin_lock(&info->trans_lock); - list_splice(&trans->ordered, &cur_trans->pending_ordered); + list_splice_init(&trans->ordered, &cur_trans->pending_ordered); spin_unlock(&info->trans_lock); } @@ -1866,7 +1866,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, } spin_lock(&root->fs_info->trans_lock); - list_splice(&trans->ordered, &cur_trans->pending_ordered); + list_splice_init(&trans->ordered, &cur_trans->pending_ordered); if (cur_trans->state >= TRANS_STATE_COMMIT_START) { spin_unlock(&root->fs_info->trans_lock); atomic_inc(&cur_trans->use_count); @@ -2152,7 +2152,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, kmem_cache_free(btrfs_trans_handle_cachep, trans); - if (current != root->fs_info->transaction_kthread) + if (current != root->fs_info->transaction_kthread && + current != root->fs_info->cleaner_kthread) btrfs_run_delayed_iputs(root); return ret; diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 1ce80c1c4eb6..9c45431e69ab 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -4117,6 +4117,187 @@ static int logged_inode_size(struct btrfs_root *log, struct inode *inode, return 0; } +/* + * At the moment we always log all xattrs. This is to figure out at log replay + * time which xattrs must have their deletion replayed. If a xattr is missing + * in the log tree and exists in the fs/subvol tree, we delete it. This is + * because if a xattr is deleted, the inode is fsynced and a power failure + * happens, causing the log to be replayed the next time the fs is mounted, + * we want the xattr to not exist anymore (same behaviour as other filesystems + * with a journal, ext3/4, xfs, f2fs, etc). + */ +static int btrfs_log_all_xattrs(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct inode *inode, + struct btrfs_path *path, + struct btrfs_path *dst_path) +{ + int ret; + struct btrfs_key key; + const u64 ino = btrfs_ino(inode); + int ins_nr = 0; + int start_slot = 0; + + key.objectid = ino; + key.type = BTRFS_XATTR_ITEM_KEY; + key.offset = 0; + + ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); + if (ret < 0) + return ret; + + while (true) { + int slot = path->slots[0]; + struct extent_buffer *leaf = path->nodes[0]; + int nritems = btrfs_header_nritems(leaf); + + if (slot >= nritems) { + if (ins_nr > 0) { + u64 last_extent = 0; + + ret = copy_items(trans, inode, dst_path, path, + &last_extent, start_slot, + ins_nr, 1, 0); + /* can't be 1, extent items aren't processed */ + ASSERT(ret <= 0); + if (ret < 0) + return ret; + ins_nr = 0; + } + ret = btrfs_next_leaf(root, path); + if (ret < 0) + return ret; + else if (ret > 0) + break; + continue; + } + + btrfs_item_key_to_cpu(leaf, &key, slot); + if (key.objectid != ino || key.type != BTRFS_XATTR_ITEM_KEY) + break; + + if (ins_nr == 0) + start_slot = slot; + ins_nr++; + path->slots[0]++; + cond_resched(); + } + if (ins_nr > 0) { + u64 last_extent = 0; + + ret = copy_items(trans, inode, dst_path, path, + &last_extent, start_slot, + ins_nr, 1, 0); + /* can't be 1, extent items aren't processed */ + ASSERT(ret <= 0); + if (ret < 0) + return ret; + } + + return 0; +} + +/* + * If the no holes feature is enabled we need to make sure any hole between the + * last extent and the i_size of our inode is explicitly marked in the log. This + * is to make sure that doing something like: + * + * 1) create file with 128Kb of data + * 2) truncate file to 64Kb + * 3) truncate file to 256Kb + * 4) fsync file + * 5) <crash/power failure> + * 6) mount fs and trigger log replay + * + * Will give us a file with a size of 256Kb, the first 64Kb of data match what + * the file had in its first 64Kb of data at step 1 and the last 192Kb of the + * file correspond to a hole. The presence of explicit holes in a log tree is + * what guarantees that log replay will remove/adjust file extent items in the + * fs/subvol tree. + * + * Here we do not need to care about holes between extents, that is already done + * by copy_items(). We also only need to do this in the full sync path, where we + * lookup for extents from the fs/subvol tree only. In the fast path case, we + * lookup the list of modified extent maps and if any represents a hole, we + * insert a corresponding extent representing a hole in the log tree. + */ +static int btrfs_log_trailing_hole(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct inode *inode, + struct btrfs_path *path) +{ + int ret; + struct btrfs_key key; + u64 hole_start; + u64 hole_size; + struct extent_buffer *leaf; + struct btrfs_root *log = root->log_root; + const u64 ino = btrfs_ino(inode); + const u64 i_size = i_size_read(inode); + + if (!btrfs_fs_incompat(root->fs_info, NO_HOLES)) + return 0; + + key.objectid = ino; + key.type = BTRFS_EXTENT_DATA_KEY; + key.offset = (u64)-1; + + ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); + ASSERT(ret != 0); + if (ret < 0) + return ret; + + ASSERT(path->slots[0] > 0); + path->slots[0]--; + leaf = path->nodes[0]; + btrfs_item_key_to_cpu(leaf, &key, path->slots[0]); + + if (key.objectid != ino || key.type != BTRFS_EXTENT_DATA_KEY) { + /* inode does not have any extents */ + hole_start = 0; + hole_size = i_size; + } else { + struct btrfs_file_extent_item *extent; + u64 len; + + /* + * If there's an extent beyond i_size, an explicit hole was + * already inserted by copy_items(). + */ + if (key.offset >= i_size) + return 0; + + extent = btrfs_item_ptr(leaf, path->slots[0], + struct btrfs_file_extent_item); + + if (btrfs_file_extent_type(leaf, extent) == + BTRFS_FILE_EXTENT_INLINE) { + len = btrfs_file_extent_inline_len(leaf, + path->slots[0], + extent); + ASSERT(len == i_size); + return 0; + } + + len = btrfs_file_extent_num_bytes(leaf, extent); + /* Last extent goes beyond i_size, no need to log a hole. */ + if (key.offset + len > i_size) + return 0; + hole_start = key.offset + len; + hole_size = i_size - hole_start; + } + btrfs_release_path(path); + + /* Last extent ends at i_size. */ + if (hole_size == 0) + return 0; + + hole_size = ALIGN(hole_size, root->sectorsize); + ret = btrfs_insert_file_extent(trans, log, ino, hole_start, 0, 0, + hole_size, 0, hole_size, 0, 0, 0); + return ret; +} + /* log a single inode in the tree log. * At least one parent directory for this inode must exist in the tree * or be logged already. @@ -4155,6 +4336,7 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, u64 ino = btrfs_ino(inode); struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree; u64 logged_isize = 0; + bool need_log_inode_item = true; path = btrfs_alloc_path(); if (!path) @@ -4263,11 +4445,6 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, } else { if (inode_only == LOG_INODE_ALL) fast_search = true; - ret = log_inode_item(trans, log, dst_path, inode); - if (ret) { - err = ret; - goto out_unlock; - } goto log_extents; } @@ -4290,6 +4467,28 @@ again: if (min_key.type > max_key.type) break; + if (min_key.type == BTRFS_INODE_ITEM_KEY) + need_log_inode_item = false; + + /* Skip xattrs, we log them later with btrfs_log_all_xattrs() */ + if (min_key.type == BTRFS_XATTR_ITEM_KEY) { + if (ins_nr == 0) + goto next_slot; + ret = copy_items(trans, inode, dst_path, path, + &last_extent, ins_start_slot, + ins_nr, inode_only, logged_isize); + if (ret < 0) { + err = ret; + goto out_unlock; + } + ins_nr = 0; + if (ret) { + btrfs_release_path(path); + continue; + } + goto next_slot; + } + src = path->nodes[0]; if (ins_nr && ins_start_slot + ins_nr == path->slots[0]) { ins_nr++; @@ -4357,9 +4556,26 @@ next_slot: ins_nr = 0; } + btrfs_release_path(path); + btrfs_release_path(dst_path); + err = btrfs_log_all_xattrs(trans, root, inode, path, dst_path); + if (err) + goto out_unlock; + if (max_key.type >= BTRFS_EXTENT_DATA_KEY && !fast_search) { + btrfs_release_path(path); + btrfs_release_path(dst_path); + err = btrfs_log_trailing_hole(trans, root, inode, path); + if (err) + goto out_unlock; + } log_extents: btrfs_release_path(path); btrfs_release_path(dst_path); + if (need_log_inode_item) { + err = log_inode_item(trans, log, dst_path, inode); + if (err) + goto out_unlock; + } if (fast_search) { /* * Some ordered extents started by fsync might have completed diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 4b438b4c8c91..fbe7c104531c 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2766,6 +2766,20 @@ static int btrfs_relocate_chunk(struct btrfs_root *root, root = root->fs_info->chunk_root; extent_root = root->fs_info->extent_root; + /* + * Prevent races with automatic removal of unused block groups. + * After we relocate and before we remove the chunk with offset + * chunk_offset, automatic removal of the block group can kick in, + * resulting in a failure when calling btrfs_remove_chunk() below. + * + * Make sure to acquire this mutex before doing a tree search (dev + * or chunk trees) to find chunks. Otherwise the cleaner kthread might + * call btrfs_remove_chunk() (through btrfs_delete_unused_bgs()) after + * we release the path used to search the chunk/dev tree and before + * the current task acquires this mutex and calls us. + */ + ASSERT(mutex_is_locked(&root->fs_info->delete_unused_bgs_mutex)); + ret = btrfs_can_relocate(extent_root, chunk_offset); if (ret) return -ENOSPC; @@ -2814,13 +2828,18 @@ again: key.type = BTRFS_CHUNK_ITEM_KEY; while (1) { + mutex_lock(&root->fs_info->delete_unused_bgs_mutex); ret = btrfs_search_slot(NULL, chunk_root, &key, path, 0, 0); - if (ret < 0) + if (ret < 0) { + mutex_unlock(&root->fs_info->delete_unused_bgs_mutex); goto error; + } BUG_ON(ret == 0); /* Corruption */ ret = btrfs_previous_item(chunk_root, path, key.objectid, key.type); + if (ret) + mutex_unlock(&root->fs_info->delete_unused_bgs_mutex); if (ret < 0) goto error; if (ret > 0) @@ -2843,6 +2862,7 @@ again: else BUG_ON(ret); } + mutex_unlock(&root->fs_info->delete_unused_bgs_mutex); if (found_key.offset == 0) break; @@ -3299,9 +3319,12 @@ again: goto error; } + mutex_lock(&fs_info->delete_unused_bgs_mutex); ret = btrfs_search_slot(NULL, chunk_root, &key, path, 0, 0); - if (ret < 0) + if (ret < 0) { + mutex_unlock(&fs_info->delete_unused_bgs_mutex); goto error; + } /* * this shouldn't happen, it means the last relocate @@ -3313,6 +3336,7 @@ again: ret = btrfs_previous_item(chunk_root, path, 0, BTRFS_CHUNK_ITEM_KEY); if (ret) { + mutex_unlock(&fs_info->delete_unused_bgs_mutex); ret = 0; break; } @@ -3321,8 +3345,10 @@ again: slot = path->slots[0]; btrfs_item_key_to_cpu(leaf, &found_key, slot); - if (found_key.objectid != key.objectid) + if (found_key.objectid != key.objectid) { + mutex_unlock(&fs_info->delete_unused_bgs_mutex); break; + } chunk = btrfs_item_ptr(leaf, slot, struct btrfs_chunk); @@ -3335,10 +3361,13 @@ again: ret = should_balance_chunk(chunk_root, leaf, chunk, found_key.offset); btrfs_release_path(path); - if (!ret) + if (!ret) { + mutex_unlock(&fs_info->delete_unused_bgs_mutex); goto loop; + } if (counting) { + mutex_unlock(&fs_info->delete_unused_bgs_mutex); spin_lock(&fs_info->balance_lock); bctl->stat.expected++; spin_unlock(&fs_info->balance_lock); @@ -3348,6 +3377,7 @@ again: ret = btrfs_relocate_chunk(chunk_root, found_key.objectid, found_key.offset); + mutex_unlock(&fs_info->delete_unused_bgs_mutex); if (ret && ret != -ENOSPC) goto error; if (ret == -ENOSPC) { @@ -4087,11 +4117,16 @@ again: key.type = BTRFS_DEV_EXTENT_KEY; do { + mutex_lock(&root->fs_info->delete_unused_bgs_mutex); ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); - if (ret < 0) + if (ret < 0) { + mutex_unlock(&root->fs_info->delete_unused_bgs_mutex); goto done; + } ret = btrfs_previous_item(root, path, 0, key.type); + if (ret) + mutex_unlock(&root->fs_info->delete_unused_bgs_mutex); if (ret < 0) goto done; if (ret) { @@ -4105,6 +4140,7 @@ again: btrfs_item_key_to_cpu(l, &key, path->slots[0]); if (key.objectid != device->devid) { + mutex_unlock(&root->fs_info->delete_unused_bgs_mutex); btrfs_release_path(path); break; } @@ -4113,6 +4149,7 @@ again: length = btrfs_dev_extent_length(l, dev_extent); if (key.offset + length <= new_size) { + mutex_unlock(&root->fs_info->delete_unused_bgs_mutex); btrfs_release_path(path); break; } @@ -4122,6 +4159,7 @@ again: btrfs_release_path(path); ret = btrfs_relocate_chunk(root, chunk_objectid, chunk_offset); + mutex_unlock(&root->fs_info->delete_unused_bgs_mutex); if (ret && ret != -ENOSPC) goto done; if (ret == -ENOSPC) @@ -5715,7 +5753,6 @@ static inline void btrfs_end_bbio(struct btrfs_bio *bbio, struct bio *bio, int e static void btrfs_end_bio(struct bio *bio, int err) { struct btrfs_bio *bbio = bio->bi_private; - struct btrfs_device *dev = bbio->stripes[0].dev; int is_orig_bio = 0; if (err) { @@ -5723,6 +5760,7 @@ static void btrfs_end_bio(struct bio *bio, int err) if (err == -EIO || err == -EREMOTEIO) { unsigned int stripe_index = btrfs_io_bio(bio)->stripe_index; + struct btrfs_device *dev; BUG_ON(stripe_index >= bbio->num_stripes); dev = bbio->stripes[stripe_index].dev; diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index dc10c9dd36c1..ddd5e9471290 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1506,7 +1506,6 @@ static int __mark_caps_flushing(struct inode *inode, swap(cf, ci->i_prealloc_cap_flush); cf->caps = flushing; - cf->kick = false; spin_lock(&mdsc->cap_dirty_lock); list_del_init(&ci->i_dirty_item); @@ -2123,8 +2122,7 @@ static void kick_flushing_capsnaps(struct ceph_mds_client *mdsc, static int __kick_flushing_caps(struct ceph_mds_client *mdsc, struct ceph_mds_session *session, - struct ceph_inode_info *ci, - bool kick_all) + struct ceph_inode_info *ci) { struct inode *inode = &ci->vfs_inode; struct ceph_cap *cap; @@ -2150,9 +2148,7 @@ static int __kick_flushing_caps(struct ceph_mds_client *mdsc, for (n = rb_first(&ci->i_cap_flush_tree); n; n = rb_next(n)) { cf = rb_entry(n, struct ceph_cap_flush, i_node); - if (cf->tid < first_tid) - continue; - if (kick_all || cf->kick) + if (cf->tid >= first_tid) break; } if (!n) { @@ -2161,7 +2157,6 @@ static int __kick_flushing_caps(struct ceph_mds_client *mdsc, } cf = rb_entry(n, struct ceph_cap_flush, i_node); - cf->kick = false; first_tid = cf->tid + 1; @@ -2181,8 +2176,6 @@ void ceph_early_kick_flushing_caps(struct ceph_mds_client *mdsc, { struct ceph_inode_info *ci; struct ceph_cap *cap; - struct ceph_cap_flush *cf; - struct rb_node *n; dout("early_kick_flushing_caps mds%d\n", session->s_mds); list_for_each_entry(ci, &session->s_cap_flushing, i_flushing_item) { @@ -2205,16 +2198,11 @@ void ceph_early_kick_flushing_caps(struct ceph_mds_client *mdsc, if ((cap->issued & ci->i_flushing_caps) != ci->i_flushing_caps) { spin_unlock(&ci->i_ceph_lock); - if (!__kick_flushing_caps(mdsc, session, ci, true)) + if (!__kick_flushing_caps(mdsc, session, ci)) continue; spin_lock(&ci->i_ceph_lock); } - for (n = rb_first(&ci->i_cap_flush_tree); n; n = rb_next(n)) { - cf = rb_entry(n, struct ceph_cap_flush, i_node); - cf->kick = true; - } - spin_unlock(&ci->i_ceph_lock); } } @@ -2228,7 +2216,7 @@ void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc, dout("kick_flushing_caps mds%d\n", session->s_mds); list_for_each_entry(ci, &session->s_cap_flushing, i_flushing_item) { - int delayed = __kick_flushing_caps(mdsc, session, ci, false); + int delayed = __kick_flushing_caps(mdsc, session, ci); if (delayed) { spin_lock(&ci->i_ceph_lock); __cap_delay_requeue(mdsc, ci); @@ -2261,7 +2249,7 @@ static void kick_flushing_inode_caps(struct ceph_mds_client *mdsc, spin_unlock(&ci->i_ceph_lock); - delayed = __kick_flushing_caps(mdsc, session, ci, true); + delayed = __kick_flushing_caps(mdsc, session, ci); if (delayed) { spin_lock(&ci->i_ceph_lock); __cap_delay_requeue(mdsc, ci); diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c index 4347039ecc18..6706bde9ad1b 100644 --- a/fs/ceph/locks.c +++ b/fs/ceph/locks.c @@ -287,7 +287,7 @@ int ceph_encode_locks_to_buffer(struct inode *inode, return 0; spin_lock(&ctx->flc_lock); - list_for_each_entry(lock, &ctx->flc_flock, fl_list) { + list_for_each_entry(lock, &ctx->flc_posix, fl_list) { ++seen_fcntl; if (seen_fcntl > num_fcntl_locks) { err = -ENOSPC; diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 860cc016e70d..2f2460d23a06 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -189,7 +189,6 @@ static inline void ceph_put_cap_snap(struct ceph_cap_snap *capsnap) struct ceph_cap_flush { u64 tid; int caps; - bool kick; struct rb_node g_node; // global union { struct rb_node i_node; // inode diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 6b8e2f091f5b..48851f6ea6ec 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -896,6 +896,7 @@ COMPATIBLE_IOCTL(FIGETBSZ) /* 'X' - originally XFS but some now in the VFS */ COMPATIBLE_IOCTL(FIFREEZE) COMPATIBLE_IOCTL(FITHAW) +COMPATIBLE_IOCTL(FITRIM) COMPATIBLE_IOCTL(KDGETKEYCODE) COMPATIBLE_IOCTL(KDSETKEYCODE) COMPATIBLE_IOCTL(KDGKBTYPE) diff --git a/fs/configfs/item.c b/fs/configfs/item.c index 4d6a30e76168..b863a09cd2f1 100644 --- a/fs/configfs/item.c +++ b/fs/configfs/item.c @@ -115,7 +115,7 @@ void config_item_init_type_name(struct config_item *item, const char *name, struct config_item_type *type) { - config_item_set_name(item, name); + config_item_set_name(item, "%s", name); item->ci_type = type; config_item_init(item); } @@ -124,7 +124,7 @@ EXPORT_SYMBOL(config_item_init_type_name); void config_group_init_type_name(struct config_group *group, const char *name, struct config_item_type *type) { - config_item_set_name(&group->cg_item, name); + config_item_set_name(&group->cg_item, "%s", name); group->cg_item.ci_type = type; config_group_init(group); } @@ -319,6 +319,12 @@ static int dax_insert_mapping(struct inode *inode, struct buffer_head *bh, * @vma: The virtual memory area where the fault occurred * @vmf: The description of the fault * @get_block: The filesystem method used to translate file offsets to blocks + * @complete_unwritten: The filesystem method used to convert unwritten blocks + * to written so the data written to them is exposed. This is required for + * required by write faults for filesystems that will return unwritten + * extent mappings from @get_block, but it is optional for reads as + * dax_insert_mapping() will always zero unwritten blocks. If the fs does + * not support unwritten extents, the it should pass NULL. * * When a page fault occurs, filesystems may call this helper in their * fault handler for DAX files. __dax_fault() assumes the caller has done all @@ -437,8 +443,12 @@ int __dax_fault(struct vm_area_struct *vma, struct vm_fault *vmf, * as for normal BH based IO completions. */ error = dax_insert_mapping(inode, &bh, vma, vmf); - if (buffer_unwritten(&bh)) - complete_unwritten(&bh, !error); + if (buffer_unwritten(&bh)) { + if (complete_unwritten) + complete_unwritten(&bh, !error); + else + WARN_ON_ONCE(!(vmf->flags & FAULT_FLAG_WRITE)); + } out: if (error == -ENOMEM) diff --git a/fs/dcache.c b/fs/dcache.c index 7a3f3e5f9cea..9b5fe503f6cb 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -642,7 +642,7 @@ static inline bool fast_dput(struct dentry *dentry) /* * If we have a d_op->d_delete() operation, we sould not - * let the dentry count go to zero, so use "put__or_lock". + * let the dentry count go to zero, so use "put_or_lock". */ if (unlikely(dentry->d_flags & DCACHE_OP_DELETE)) return lockref_put_or_lock(&dentry->d_lockref); @@ -697,7 +697,7 @@ static inline bool fast_dput(struct dentry *dentry) */ smp_rmb(); d_flags = ACCESS_ONCE(dentry->d_flags); - d_flags &= DCACHE_REFERENCED | DCACHE_LRU_LIST; + d_flags &= DCACHE_REFERENCED | DCACHE_LRU_LIST | DCACHE_DISCONNECTED; /* Nothing to do? Dropping the reference was all we needed? */ if (d_flags == (DCACHE_REFERENCED | DCACHE_LRU_LIST) && !d_unhashed(dentry)) @@ -776,6 +776,9 @@ repeat: if (unlikely(d_unhashed(dentry))) goto kill_it; + if (unlikely(dentry->d_flags & DCACHE_DISCONNECTED)) + goto kill_it; + if (unlikely(dentry->d_flags & DCACHE_OP_DELETE)) { if (dentry->d_op->d_delete(dentry)) goto kill_it; @@ -3439,22 +3442,15 @@ void __init vfs_caches_init_early(void) inode_init_early(); } -void __init vfs_caches_init(unsigned long mempages) +void __init vfs_caches_init(void) { - unsigned long reserve; - - /* Base hash sizes on available memory, with a reserve equal to - 150% of current kernel size */ - - reserve = min((mempages - nr_free_pages()) * 3/2, mempages - 1); - mempages -= reserve; - names_cachep = kmem_cache_create("names_cache", PATH_MAX, 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL); dcache_init(); inode_init(); - files_init(mempages); + files_init(); + files_maxfiles_init(); mnt_init(); bdev_cache_init(); chrdev_init(); diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index 72afcc629d7b..feef8a9c4de7 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -325,7 +325,6 @@ ecryptfs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return rc; switch (cmd) { - case FITRIM: case FS_IOC32_GETFLAGS: case FS_IOC32_SETFLAGS: case FS_IOC32_GETVERSION: diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index aadb72828834..2553aa8b608d 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -504,7 +504,7 @@ __read_extent_tree_block(const char *function, unsigned int line, struct buffer_head *bh; int err; - bh = sb_getblk(inode->i_sb, pblk); + bh = sb_getblk_gfp(inode->i_sb, pblk, __GFP_MOVABLE | GFP_NOFS); if (unlikely(!bh)) return ERR_PTR(-ENOMEM); @@ -1089,7 +1089,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode, err = -EIO; goto cleanup; } - bh = sb_getblk(inode->i_sb, newblock); + bh = sb_getblk_gfp(inode->i_sb, newblock, __GFP_MOVABLE | GFP_NOFS); if (unlikely(!bh)) { err = -ENOMEM; goto cleanup; @@ -1283,7 +1283,7 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode, if (newblock == 0) return err; - bh = sb_getblk(inode->i_sb, newblock); + bh = sb_getblk_gfp(inode->i_sb, newblock, __GFP_MOVABLE | GFP_NOFS); if (unlikely(!bh)) return -ENOMEM; lock_buffer(bh); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 41f8e55afcd1..cecf9aa10811 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1323,7 +1323,7 @@ static void ext4_da_page_release_reservation(struct page *page, unsigned int offset, unsigned int length) { - int to_release = 0; + int to_release = 0, contiguous_blks = 0; struct buffer_head *head, *bh; unsigned int curr_off = 0; struct inode *inode = page->mapping->host; @@ -1344,14 +1344,23 @@ static void ext4_da_page_release_reservation(struct page *page, if ((offset <= curr_off) && (buffer_delay(bh))) { to_release++; + contiguous_blks++; clear_buffer_delay(bh); + } else if (contiguous_blks) { + lblk = page->index << + (PAGE_CACHE_SHIFT - inode->i_blkbits); + lblk += (curr_off >> inode->i_blkbits) - + contiguous_blks; + ext4_es_remove_extent(inode, lblk, contiguous_blks); + contiguous_blks = 0; } curr_off = next_off; } while ((bh = bh->b_this_page) != head); - if (to_release) { + if (contiguous_blks) { lblk = page->index << (PAGE_CACHE_SHIFT - inode->i_blkbits); - ext4_es_remove_extent(inode, lblk, to_release); + lblk += (curr_off >> inode->i_blkbits) - contiguous_blks; + ext4_es_remove_extent(inode, lblk, contiguous_blks); } /* If we have released all the blocks belonging to a cluster, then we @@ -4344,7 +4353,12 @@ static void ext4_update_other_inodes_time(struct super_block *sb, int inode_size = EXT4_INODE_SIZE(sb); oi.orig_ino = orig_ino; - ino = (orig_ino & ~(inodes_per_block - 1)) + 1; + /* + * Calculate the first inode in the inode table block. Inode + * numbers are one-based. That is, the first inode in a block + * (assuming 4k blocks and 256 byte inodes) is (n*16 + 1). + */ + ino = ((orig_ino - 1) & ~(inodes_per_block - 1)) + 1; for (i = 0; i < inodes_per_block; i++, ino++, buf += inode_size) { if (ino == orig_ino) continue; diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index cb8451246b30..1346cfa355d0 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -755,7 +755,6 @@ long ext4_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return err; } case EXT4_IOC_MOVE_EXT: - case FITRIM: case EXT4_IOC_RESIZE_FS: case EXT4_IOC_PRECACHE_EXTENTS: case EXT4_IOC_SET_ENCRYPTION_POLICY: diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index f6aedf88da43..34b610ea5030 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -4816,18 +4816,12 @@ do_more: /* * blocks being freed are metadata. these blocks shouldn't * be used until this transaction is committed + * + * We use __GFP_NOFAIL because ext4_free_blocks() is not allowed + * to fail. */ - retry: - new_entry = kmem_cache_alloc(ext4_free_data_cachep, GFP_NOFS); - if (!new_entry) { - /* - * We use a retry loop because - * ext4_free_blocks() is not allowed to fail. - */ - cond_resched(); - congestion_wait(BLK_RW_ASYNC, HZ/50); - goto retry; - } + new_entry = kmem_cache_alloc(ext4_free_data_cachep, + GFP_NOFS|__GFP_NOFAIL); new_entry->efd_start_cluster = bit; new_entry->efd_group = block_group; new_entry->efd_count = count_clusters; diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c index b52374e42102..6163ad21cb0e 100644 --- a/fs/ext4/migrate.c +++ b/fs/ext4/migrate.c @@ -620,6 +620,7 @@ int ext4_ind_migrate(struct inode *inode) struct ext4_inode_info *ei = EXT4_I(inode); struct ext4_extent *ex; unsigned int i, len; + ext4_lblk_t start, end; ext4_fsblk_t blk; handle_t *handle; int ret; @@ -633,6 +634,14 @@ int ext4_ind_migrate(struct inode *inode) EXT4_FEATURE_RO_COMPAT_BIGALLOC)) return -EOPNOTSUPP; + /* + * In order to get correct extent info, force all delayed allocation + * blocks to be allocated, otherwise delayed allocation blocks may not + * be reflected and bypass the checks on extent header. + */ + if (test_opt(inode->i_sb, DELALLOC)) + ext4_alloc_da_blocks(inode); + handle = ext4_journal_start(inode, EXT4_HT_MIGRATE, 1); if (IS_ERR(handle)) return PTR_ERR(handle); @@ -650,11 +659,13 @@ int ext4_ind_migrate(struct inode *inode) goto errout; } if (eh->eh_entries == 0) - blk = len = 0; + blk = len = start = end = 0; else { len = le16_to_cpu(ex->ee_len); blk = ext4_ext_pblock(ex); - if (len > EXT4_NDIR_BLOCKS) { + start = le32_to_cpu(ex->ee_block); + end = start + len - 1; + if (end >= EXT4_NDIR_BLOCKS) { ret = -EOPNOTSUPP; goto errout; } @@ -662,7 +673,7 @@ int ext4_ind_migrate(struct inode *inode) ext4_clear_inode_flag(inode, EXT4_INODE_EXTENTS); memset(ei->i_data, 0, sizeof(ei->i_data)); - for (i=0; i < len; i++) + for (i = start; i <= end; i++) ei->i_data[i] = cpu_to_le32(blk++); ext4_mark_inode_dirty(handle, inode); errout: diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 9bedfa8dd3a5..f71e19a9dd3c 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -2072,8 +2072,6 @@ static int f2fs_set_data_page_dirty(struct page *page) return 1; } - mark_inode_dirty(inode); - if (!PageDirty(page)) { __set_page_dirty_nobuffers(page); update_dirty_page(inode, page); diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index ada2a3dd701a..b0f38c3b37f4 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1331,12 +1331,13 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp) if (ret) return ret; - if (f2fs_is_atomic_file(inode)) + if (f2fs_is_atomic_file(inode)) { + clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE); commit_inmem_pages(inode, false); + } ret = f2fs_sync_file(filp, 0, LONG_MAX, 0); mnt_drop_write_file(filp); - clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE); return ret; } @@ -1387,8 +1388,8 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp) f2fs_balance_fs(F2FS_I_SB(inode)); if (f2fs_is_atomic_file(inode)) { - commit_inmem_pages(inode, false); clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE); + commit_inmem_pages(inode, false); } if (f2fs_is_volatile_file(inode)) diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index e1e73617d13b..22fb5ef37966 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -556,27 +556,39 @@ static void move_encrypted_block(struct inode *inode, block_t bidx) if (!fio.encrypted_page) goto put_out; - f2fs_submit_page_bio(&fio); + err = f2fs_submit_page_bio(&fio); + if (err) + goto put_page_out; + + /* write page */ + lock_page(fio.encrypted_page); + + if (unlikely(!PageUptodate(fio.encrypted_page))) + goto put_page_out; + if (unlikely(fio.encrypted_page->mapping != META_MAPPING(fio.sbi))) + goto put_page_out; + + set_page_dirty(fio.encrypted_page); + f2fs_wait_on_page_writeback(fio.encrypted_page, META); + if (clear_page_dirty_for_io(fio.encrypted_page)) + dec_page_count(fio.sbi, F2FS_DIRTY_META); + + set_page_writeback(fio.encrypted_page); /* allocate block address */ f2fs_wait_on_page_writeback(dn.node_page, NODE); - allocate_data_block(fio.sbi, NULL, fio.blk_addr, &fio.blk_addr, &sum, CURSEG_COLD_DATA); - dn.data_blkaddr = fio.blk_addr; - - /* write page */ - lock_page(fio.encrypted_page); - set_page_writeback(fio.encrypted_page); fio.rw = WRITE_SYNC; f2fs_submit_page_mbio(&fio); + dn.data_blkaddr = fio.blk_addr; set_data_blkaddr(&dn); f2fs_update_extent_cache(&dn); set_inode_flag(F2FS_I(inode), FI_APPEND_WRITE); if (page->index == 0) set_inode_flag(F2FS_I(inode), FI_FIRST_BLOCK_WRITTEN); - +put_page_out: f2fs_put_page(fio.encrypted_page, 1); put_out: f2fs_put_dnode(&dn); @@ -605,8 +617,8 @@ static void move_data_page(struct inode *inode, block_t bidx, int gc_type) .page = page, .encrypted_page = NULL, }; + set_page_dirty(page); f2fs_wait_on_page_writeback(page, DATA); - if (clear_page_dirty_for_io(page)) inode_dec_dirty_pages(inode); set_cold_data(page); diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index 38e75fb1e488..a13ffcc32992 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -141,6 +141,8 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page) kunmap_atomic(dst_addr); SetPageUptodate(page); no_update: + set_page_dirty(page); + /* clear dirty state */ dirty = clear_page_dirty_for_io(page); diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 1eb343768781..61b97f9cb9f6 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -257,6 +257,7 @@ void commit_inmem_pages(struct inode *inode, bool abort) if (!abort) { lock_page(cur->page); if (cur->page->mapping == inode->i_mapping) { + set_page_dirty(cur->page); f2fs_wait_on_page_writeback(cur->page, DATA); if (clear_page_dirty_for_io(cur->page)) inode_dec_dirty_pages(inode); diff --git a/fs/file_table.c b/fs/file_table.c index 7f9d407c7595..ad17e05ebf95 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -25,6 +25,7 @@ #include <linux/hardirq.h> #include <linux/task_work.h> #include <linux/ima.h> +#include <linux/swap.h> #include <linux/atomic.h> @@ -308,19 +309,24 @@ void put_filp(struct file *file) } } -void __init files_init(unsigned long mempages) +void __init files_init(void) { - unsigned long n; - filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0, SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL); + percpu_counter_init(&nr_files, 0, GFP_KERNEL); +} - /* - * One file with associated inode and dcache is very roughly 1K. - * Per default don't use more than 10% of our memory for files. - */ +/* + * One file with associated inode and dcache is very roughly 1K. Per default + * do not use more than 10% of our memory for files. + */ +void __init files_maxfiles_init(void) +{ + unsigned long n; + unsigned long memreserve = (totalram_pages - nr_free_pages()) * 3/2; + + memreserve = min(memreserve, totalram_pages - 1); + n = ((totalram_pages - memreserve) * (PAGE_SIZE / 1024)) / 10; - n = (mempages * (PAGE_SIZE / 1024)) / 10; files_stat.max_files = max_t(unsigned long, n, NR_FILE); - percpu_counter_init(&nr_files, 0, GFP_KERNEL); } diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index f0520bcf2094..518c6294bf6c 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -702,6 +702,7 @@ void wbc_account_io(struct writeback_control *wbc, struct page *page, else wbc->wb_tcand_bytes -= min(bytes, wbc->wb_tcand_bytes); } +EXPORT_SYMBOL_GPL(wbc_account_io); /** * inode_congested - test whether an inode is congested diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 80cc1b35d460..ebb5e37455a0 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -2246,7 +2246,15 @@ static long fuse_dev_ioctl(struct file *file, unsigned int cmd, err = -EINVAL; if (old) { - struct fuse_dev *fud = fuse_get_dev(old); + struct fuse_dev *fud = NULL; + + /* + * Check against file->f_op because CUSE + * uses the same ioctl handler. + */ + if (old->f_op == file->f_op && + old->f_cred->user_ns == file->f_cred->user_ns) + fud = fuse_get_dev(old); if (fud) { mutex_lock(&fuse_mutex); diff --git a/fs/hpfs/alloc.c b/fs/hpfs/alloc.c index f005046e1591..d6a4b55d2ab0 100644 --- a/fs/hpfs/alloc.c +++ b/fs/hpfs/alloc.c @@ -484,3 +484,98 @@ struct anode *hpfs_alloc_anode(struct super_block *s, secno near, anode_secno *a a->btree.first_free = cpu_to_le16(8); return a; } + +static unsigned find_run(__le32 *bmp, unsigned *idx) +{ + unsigned len; + while (tstbits(bmp, *idx, 1)) { + (*idx)++; + if (unlikely(*idx >= 0x4000)) + return 0; + } + len = 1; + while (!tstbits(bmp, *idx + len, 1)) + len++; + return len; +} + +static int do_trim(struct super_block *s, secno start, unsigned len, secno limit_start, secno limit_end, unsigned minlen, unsigned *result) +{ + int err; + secno end; + if (fatal_signal_pending(current)) + return -EINTR; + end = start + len; + if (start < limit_start) + start = limit_start; + if (end > limit_end) + end = limit_end; + if (start >= end) + return 0; + if (end - start < minlen) + return 0; + err = sb_issue_discard(s, start, end - start, GFP_NOFS, 0); + if (err) + return err; + *result += end - start; + return 0; +} + +int hpfs_trim_fs(struct super_block *s, u64 start, u64 end, u64 minlen, unsigned *result) +{ + int err = 0; + struct hpfs_sb_info *sbi = hpfs_sb(s); + unsigned idx, len, start_bmp, end_bmp; + __le32 *bmp; + struct quad_buffer_head qbh; + + *result = 0; + if (!end || end > sbi->sb_fs_size) + end = sbi->sb_fs_size; + if (start >= sbi->sb_fs_size) + return 0; + if (minlen > 0x4000) + return 0; + if (start < sbi->sb_dirband_start + sbi->sb_dirband_size && end > sbi->sb_dirband_start) { + hpfs_lock(s); + if (s->s_flags & MS_RDONLY) { + err = -EROFS; + goto unlock_1; + } + if (!(bmp = hpfs_map_dnode_bitmap(s, &qbh))) { + err = -EIO; + goto unlock_1; + } + idx = 0; + while ((len = find_run(bmp, &idx)) && !err) { + err = do_trim(s, sbi->sb_dirband_start + idx * 4, len * 4, start, end, minlen, result); + idx += len; + } + hpfs_brelse4(&qbh); +unlock_1: + hpfs_unlock(s); + } + start_bmp = start >> 14; + end_bmp = (end + 0x3fff) >> 14; + while (start_bmp < end_bmp && !err) { + hpfs_lock(s); + if (s->s_flags & MS_RDONLY) { + err = -EROFS; + goto unlock_2; + } + if (!(bmp = hpfs_map_bitmap(s, start_bmp, &qbh, "trim"))) { + err = -EIO; + goto unlock_2; + } + idx = 0; + while ((len = find_run(bmp, &idx)) && !err) { + err = do_trim(s, (start_bmp << 14) + idx, len, start, end, minlen, result); + idx += len; + } + hpfs_brelse4(&qbh); +unlock_2: + hpfs_unlock(s); + start_bmp++; + } + return err; +} diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c index 2a8e07425de0..dc540bfcee1d 100644 --- a/fs/hpfs/dir.c +++ b/fs/hpfs/dir.c @@ -327,4 +327,5 @@ const struct file_operations hpfs_dir_ops = .iterate = hpfs_readdir, .release = hpfs_dir_release, .fsync = hpfs_file_fsync, + .unlocked_ioctl = hpfs_ioctl, }; diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c index 6d8cfe9b52d6..7ca28d604bf7 100644 --- a/fs/hpfs/file.c +++ b/fs/hpfs/file.c @@ -203,6 +203,7 @@ const struct file_operations hpfs_file_ops = .release = hpfs_file_release, .fsync = hpfs_file_fsync, .splice_read = generic_file_splice_read, + .unlocked_ioctl = hpfs_ioctl, }; const struct inode_operations hpfs_file_iops = diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h index bb04b58d1d69..c4867b5116dd 100644 --- a/fs/hpfs/hpfs_fn.h +++ b/fs/hpfs/hpfs_fn.h @@ -18,6 +18,8 @@ #include <linux/pagemap.h> #include <linux/buffer_head.h> #include <linux/slab.h> +#include <linux/sched.h> +#include <linux/blkdev.h> #include <asm/unaligned.h> #include "hpfs.h" @@ -200,6 +202,7 @@ void hpfs_free_dnode(struct super_block *, secno); struct dnode *hpfs_alloc_dnode(struct super_block *, secno, dnode_secno *, struct quad_buffer_head *); struct fnode *hpfs_alloc_fnode(struct super_block *, secno, fnode_secno *, struct buffer_head **); struct anode *hpfs_alloc_anode(struct super_block *, secno, anode_secno *, struct buffer_head **); +int hpfs_trim_fs(struct super_block *, u64, u64, u64, unsigned *); /* anode.c */ @@ -318,6 +321,7 @@ __printf(2, 3) void hpfs_error(struct super_block *, const char *, ...); int hpfs_stop_cycles(struct super_block *, int, int *, int *, char *); unsigned hpfs_get_free_dnodes(struct super_block *); +long hpfs_ioctl(struct file *file, unsigned cmd, unsigned long arg); /* * local time (HPFS) to GMT (Unix) diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c index 7cd00d3a7c9b..68a9bed05628 100644 --- a/fs/hpfs/super.c +++ b/fs/hpfs/super.c @@ -52,17 +52,20 @@ static void unmark_dirty(struct super_block *s) } /* Filesystem error... */ -static char err_buf[1024]; - void hpfs_error(struct super_block *s, const char *fmt, ...) { + struct va_format vaf; va_list args; va_start(args, fmt); - vsnprintf(err_buf, sizeof(err_buf), fmt, args); + + vaf.fmt = fmt; + vaf.va = &args; + + pr_err("filesystem error: %pV", &vaf); + va_end(args); - pr_err("filesystem error: %s", err_buf); if (!hpfs_sb(s)->sb_was_error) { if (hpfs_sb(s)->sb_err == 2) { pr_cont("; crashing the system because you wanted it\n"); @@ -196,12 +199,39 @@ static int hpfs_statfs(struct dentry *dentry, struct kstatfs *buf) return 0; } + +long hpfs_ioctl(struct file *file, unsigned cmd, unsigned long arg) +{ + switch (cmd) { + case FITRIM: { + struct fstrim_range range; + secno n_trimmed; + int r; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + if (copy_from_user(&range, (struct fstrim_range __user *)arg, sizeof(range))) + return -EFAULT; + r = hpfs_trim_fs(file_inode(file)->i_sb, range.start >> 9, (range.start + range.len) >> 9, (range.minlen + 511) >> 9, &n_trimmed); + if (r) + return r; + range.len = (u64)n_trimmed << 9; + if (copy_to_user((struct fstrim_range __user *)arg, &range, sizeof(range))) + return -EFAULT; + return 0; + } + default: { + return -ENOIOCTLCMD; + } + } +} + + static struct kmem_cache * hpfs_inode_cachep; static struct inode *hpfs_alloc_inode(struct super_block *sb) { struct hpfs_inode_info *ei; - ei = (struct hpfs_inode_info *)kmem_cache_alloc(hpfs_inode_cachep, GFP_NOFS); + ei = kmem_cache_alloc(hpfs_inode_cachep, GFP_NOFS); if (!ei) return NULL; ei->vfs_inode.i_version = 1; @@ -424,11 +454,14 @@ static int hpfs_remount_fs(struct super_block *s, int *flags, char *data) int o; struct hpfs_sb_info *sbi = hpfs_sb(s); char *new_opts = kstrdup(data, GFP_KERNEL); - + + if (!new_opts) + return -ENOMEM; + sync_filesystem(s); *flags |= MS_NOATIME; - + hpfs_lock(s); uid = sbi->sb_uid; gid = sbi->sb_gid; umask = 0777 & ~sbi->sb_mode; diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 0cf74df68617..973c24ce59ad 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -1010,6 +1010,8 @@ struct file *hugetlb_file_setup(const char *name, size_t size, inode = hugetlbfs_get_inode(sb, NULL, S_IFREG | S_IRWXUGO, 0); if (!inode) goto out_dentry; + if (creat_flags == HUGETLB_SHMFS_INODE) + inode->i_flags |= S_PRIVATE; file = ERR_PTR(-ENOMEM); if (hugetlb_reserve_pages(inode, 0, diff --git a/fs/jfs/file.c b/fs/jfs/file.c index e98d39d75cf4..b9dc23cd04f2 100644 --- a/fs/jfs/file.c +++ b/fs/jfs/file.c @@ -76,7 +76,7 @@ static int jfs_open(struct inode *inode, struct file *file) if (ji->active_ag == -1) { struct jfs_sb_info *jfs_sb = JFS_SBI(inode->i_sb); ji->active_ag = BLKTOAG(addressPXD(&ji->ixpxd), jfs_sb); - atomic_inc( &jfs_sb->bmap->db_active[ji->active_ag]); + atomic_inc(&jfs_sb->bmap->db_active[ji->active_ag]); } spin_unlock_irq(&ji->ag_lock); } diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index 6f1cb2b5ee28..41aa3ca6a6a4 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c @@ -134,11 +134,11 @@ int jfs_write_inode(struct inode *inode, struct writeback_control *wbc) * It has been committed since the last change, but was still * on the dirty inode list. */ - if (!test_cflag(COMMIT_Dirty, inode)) { + if (!test_cflag(COMMIT_Dirty, inode)) { /* Make sure committed changes hit the disk */ jfs_flush_journal(JFS_SBI(inode->i_sb)->log, wait); return 0; - } + } if (jfs_commit_inode(inode, wait)) { jfs_err("jfs_write_inode: jfs_commit_inode failed!"); diff --git a/fs/jfs/ioctl.c b/fs/jfs/ioctl.c index 93a1232894f6..8db8b7d61e40 100644 --- a/fs/jfs/ioctl.c +++ b/fs/jfs/ioctl.c @@ -180,9 +180,6 @@ long jfs_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) case JFS_IOC_SETFLAGS32: cmd = JFS_IOC_SETFLAGS; break; - case FITRIM: - cmd = FITRIM; - break; } return jfs_ioctl(filp, cmd, arg); } diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index e33be921aa41..a5ac97b9a933 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c @@ -1160,7 +1160,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, rc = dtModify(tid, new_dir, &new_dname, &ino, old_ip->i_ino, JFS_RENAME); if (rc) - goto out4; + goto out_tx; drop_nlink(new_ip); if (S_ISDIR(new_ip->i_mode)) { drop_nlink(new_ip); @@ -1185,7 +1185,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, if ((new_size = commitZeroLink(tid, new_ip)) < 0) { txAbort(tid, 1); /* Marks FS Dirty */ rc = new_size; - goto out4; + goto out_tx; } tblk = tid_to_tblock(tid); tblk->xflag |= COMMIT_DELETE; @@ -1203,7 +1203,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (rc) { jfs_err("jfs_rename didn't expect dtSearch to fail " "w/rc = %d", rc); - goto out4; + goto out_tx; } ino = old_ip->i_ino; @@ -1211,7 +1211,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (rc) { if (rc == -EIO) jfs_err("jfs_rename: dtInsert returned -EIO"); - goto out4; + goto out_tx; } if (S_ISDIR(old_ip->i_mode)) inc_nlink(new_dir); @@ -1226,7 +1226,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, jfs_err("jfs_rename did not expect dtDelete to return rc = %d", rc); txAbort(tid, 1); /* Marks Filesystem dirty */ - goto out4; + goto out_tx; } if (S_ISDIR(old_ip->i_mode)) { drop_nlink(old_dir); @@ -1285,7 +1285,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, rc = txCommit(tid, ipcount, iplist, commit_flag); - out4: + out_tx: txEnd(tid); if (new_ip) mutex_unlock(&JFS_IP(new_ip)->commit_mutex); @@ -1308,13 +1308,6 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, } if (new_ip && (new_ip->i_nlink == 0)) set_cflag(COMMIT_Nolink, new_ip); - out3: - free_UCSname(&new_dname); - out2: - free_UCSname(&old_dname); - out1: - if (new_ip && !S_ISDIR(new_ip->i_mode)) - IWRITE_UNLOCK(new_ip); /* * Truncating the directory index table is not guaranteed. It * may need to be done iteratively @@ -1325,7 +1318,13 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, clear_cflag(COMMIT_Stale, old_dir); } - + if (new_ip && !S_ISDIR(new_ip->i_mode)) + IWRITE_UNLOCK(new_ip); + out3: + free_UCSname(&new_dname); + out2: + free_UCSname(&old_dname); + out1: jfs_info("jfs_rename: returning %d", rc); return rc; } diff --git a/fs/locks.c b/fs/locks.c index 653faabb07f4..d3d558ba4da7 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -862,12 +862,11 @@ static int posix_locks_deadlock(struct file_lock *caller_fl, * whether or not a lock was successfully freed by testing the return * value for -ENOENT. */ -static int flock_lock_file(struct file *filp, struct file_lock *request) +static int flock_lock_inode(struct inode *inode, struct file_lock *request) { struct file_lock *new_fl = NULL; struct file_lock *fl; struct file_lock_context *ctx; - struct inode *inode = file_inode(filp); int error = 0; bool found = false; LIST_HEAD(dispose); @@ -890,7 +889,7 @@ static int flock_lock_file(struct file *filp, struct file_lock *request) goto find_conflict; list_for_each_entry(fl, &ctx->flc_flock, fl_list) { - if (filp != fl->fl_file) + if (request->fl_file != fl->fl_file) continue; if (request->fl_type == fl->fl_type) goto out; @@ -1164,20 +1163,19 @@ int posix_lock_file(struct file *filp, struct file_lock *fl, EXPORT_SYMBOL(posix_lock_file); /** - * posix_lock_file_wait - Apply a POSIX-style lock to a file - * @filp: The file to apply the lock to + * posix_lock_inode_wait - Apply a POSIX-style lock to a file + * @inode: inode of file to which lock request should be applied * @fl: The lock to be applied * - * Add a POSIX style lock to a file. - * We merge adjacent & overlapping locks whenever possible. - * POSIX locks are sorted by owner task, then by starting address + * Variant of posix_lock_file_wait that does not take a filp, and so can be + * used after the filp has already been torn down. */ -int posix_lock_file_wait(struct file *filp, struct file_lock *fl) +int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl) { int error; might_sleep (); for (;;) { - error = posix_lock_file(filp, fl, NULL); + error = __posix_lock_file(inode, fl, NULL); if (error != FILE_LOCK_DEFERRED) break; error = wait_event_interruptible(fl->fl_wait, !fl->fl_next); @@ -1189,7 +1187,7 @@ int posix_lock_file_wait(struct file *filp, struct file_lock *fl) } return error; } -EXPORT_SYMBOL(posix_lock_file_wait); +EXPORT_SYMBOL(posix_lock_inode_wait); /** * locks_mandatory_locked - Check for an active lock @@ -1851,18 +1849,18 @@ int fcntl_setlease(unsigned int fd, struct file *filp, long arg) } /** - * flock_lock_file_wait - Apply a FLOCK-style lock to a file - * @filp: The file to apply the lock to + * flock_lock_inode_wait - Apply a FLOCK-style lock to a file + * @inode: inode of the file to apply to * @fl: The lock to be applied * - * Add a FLOCK style lock to a file. + * Apply a FLOCK style lock request to an inode. */ -int flock_lock_file_wait(struct file *filp, struct file_lock *fl) +int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl) { int error; might_sleep(); for (;;) { - error = flock_lock_file(filp, fl); + error = flock_lock_inode(inode, fl); if (error != FILE_LOCK_DEFERRED) break; error = wait_event_interruptible(fl->fl_wait, !fl->fl_next); @@ -1874,8 +1872,7 @@ int flock_lock_file_wait(struct file *filp, struct file_lock *fl) } return error; } - -EXPORT_SYMBOL(flock_lock_file_wait); +EXPORT_SYMBOL(flock_lock_inode_wait); /** * sys_flock: - flock() system call. @@ -2401,7 +2398,8 @@ locks_remove_flock(struct file *filp) .fl_type = F_UNLCK, .fl_end = OFFSET_MAX, }; - struct file_lock_context *flctx = file_inode(filp)->i_flctx; + struct inode *inode = file_inode(filp); + struct file_lock_context *flctx = inode->i_flctx; if (list_empty(&flctx->flc_flock)) return; @@ -2409,7 +2407,7 @@ locks_remove_flock(struct file *filp) if (filp->f_op->flock) filp->f_op->flock(filp, F_SETLKW, &fl); else - flock_lock_file(filp, &fl); + flock_lock_inode(inode, &fl); if (fl.fl_ops && fl.fl_ops->fl_release_private) fl.fl_ops->fl_release_private(&fl); diff --git a/fs/namei.c b/fs/namei.c index ae4e4c18b2ac..1c2105ed20c5 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -879,7 +879,7 @@ static inline int may_follow_link(struct nameidata *nd) return 0; /* Allowed if parent directory not sticky and world-writable. */ - parent = nd->path.dentry->d_inode; + parent = nd->inode; if ((parent->i_mode & (S_ISVTX|S_IWOTH)) != (S_ISVTX|S_IWOTH)) return 0; @@ -1954,8 +1954,13 @@ OK: continue; } } - if (unlikely(!d_can_lookup(nd->path.dentry))) + if (unlikely(!d_can_lookup(nd->path.dentry))) { + if (nd->flags & LOOKUP_RCU) { + if (unlazy_walk(nd, NULL, 0)) + return -ECHILD; + } return -ENOTDIR; + } } } diff --git a/fs/namespace.c b/fs/namespace.c index c7cb8a526c05..2b8aa15fd6df 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1361,6 +1361,36 @@ enum umount_tree_flags { UMOUNT_PROPAGATE = 2, UMOUNT_CONNECTED = 4, }; + +static bool disconnect_mount(struct mount *mnt, enum umount_tree_flags how) +{ + /* Leaving mounts connected is only valid for lazy umounts */ + if (how & UMOUNT_SYNC) + return true; + + /* A mount without a parent has nothing to be connected to */ + if (!mnt_has_parent(mnt)) + return true; + + /* Because the reference counting rules change when mounts are + * unmounted and connected, umounted mounts may not be + * connected to mounted mounts. + */ + if (!(mnt->mnt_parent->mnt.mnt_flags & MNT_UMOUNT)) + return true; + + /* Has it been requested that the mount remain connected? */ + if (how & UMOUNT_CONNECTED) + return false; + + /* Is the mount locked such that it needs to remain connected? */ + if (IS_MNT_LOCKED(mnt)) + return false; + + /* By default disconnect the mount */ + return true; +} + /* * mount_lock must be held * namespace_sem must be held for write @@ -1398,10 +1428,7 @@ static void umount_tree(struct mount *mnt, enum umount_tree_flags how) if (how & UMOUNT_SYNC) p->mnt.mnt_flags |= MNT_SYNC_UMOUNT; - disconnect = !(((how & UMOUNT_CONNECTED) && - mnt_has_parent(p) && - (p->mnt_parent->mnt.mnt_flags & MNT_UMOUNT)) || - IS_MNT_LOCKED_AND_LAZY(p)); + disconnect = disconnect_mount(p, how); pin_insert_group(&p->mnt_umount, &p->mnt_parent->mnt, disconnect ? &unmounted : NULL); @@ -1538,11 +1565,8 @@ void __detach_mounts(struct dentry *dentry) while (!hlist_empty(&mp->m_list)) { mnt = hlist_entry(mp->m_list.first, struct mount, mnt_mp_list); if (mnt->mnt.mnt_flags & MNT_UMOUNT) { - struct mount *p, *tmp; - list_for_each_entry_safe(p, tmp, &mnt->mnt_mounts, mnt_child) { - hlist_add_head(&p->mnt_umount.s_list, &unmounted); - umount_mnt(p); - } + hlist_add_head(&mnt->mnt_umount.s_list, &unmounted); + umount_mnt(mnt); } else umount_tree(mnt, UMOUNT_CONNECTED); } diff --git a/fs/nfs/client.c b/fs/nfs/client.c index ecebb406cc1a..4a90c9bb3135 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -775,7 +775,7 @@ static int nfs_init_server(struct nfs_server *server, server->options = data->options; server->caps |= NFS_CAP_HARDLINKS|NFS_CAP_SYMLINKS|NFS_CAP_FILEID| NFS_CAP_MODE|NFS_CAP_NLINK|NFS_CAP_OWNER|NFS_CAP_OWNER_GROUP| - NFS_CAP_ATIME|NFS_CAP_CTIME|NFS_CAP_MTIME|NFS_CAP_CHANGE_ATTR; + NFS_CAP_ATIME|NFS_CAP_CTIME|NFS_CAP_MTIME; if (data->rsize) server->rsize = nfs_block_size(data->rsize, NULL); diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index c12951b9551e..b3289d701eea 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -1852,7 +1852,7 @@ ff_layout_mirror_prepare_stats(struct nfs42_layoutstat_args *args, struct nfs42_layoutstat_devinfo *devinfo; int i; - for (i = 0; i <= FF_LAYOUT_MIRROR_COUNT(pls); i++) { + for (i = 0; i < FF_LAYOUT_MIRROR_COUNT(pls); i++) { if (*dev_count >= dev_limit) break; mirror = FF_LAYOUT_COMP(pls, i); diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index b77b328a06d7..0adc7d245b3d 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -442,8 +442,9 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR); if (fattr->valid & NFS_ATTR_FATTR_CHANGE) inode->i_version = fattr->change_attr; - else if (nfs_server_capable(inode, NFS_CAP_CHANGE_ATTR)) - nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR); + else + nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR + | NFS_INO_REVAL_PAGECACHE); if (fattr->valid & NFS_ATTR_FATTR_SIZE) inode->i_size = nfs_size_to_loff_t(fattr->size); else @@ -1244,9 +1245,11 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat if (fattr->valid & NFS_ATTR_FATTR_SIZE) { cur_size = i_size_read(inode); new_isize = nfs_size_to_loff_t(fattr->size); - if (cur_size != new_isize && nfsi->nrequests == 0) + if (cur_size != new_isize) invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; } + if (nfsi->nrequests != 0) + invalid &= ~NFS_INO_REVAL_PAGECACHE; /* Have any file permissions changed? */ if ((fattr->valid & NFS_ATTR_FATTR_MODE) && (inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO)) @@ -1684,13 +1687,12 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_DATA | NFS_INO_INVALID_ACCESS - | NFS_INO_INVALID_ACL - | NFS_INO_REVAL_PAGECACHE; + | NFS_INO_INVALID_ACL; if (S_ISDIR(inode->i_mode)) nfs_force_lookup_revalidate(inode); inode->i_version = fattr->change_attr; } - } else if (server->caps & NFS_CAP_CHANGE_ATTR) + } else nfsi->cache_validity |= save_cache_validity; if (fattr->valid & NFS_ATTR_FATTR_MTIME) { @@ -1717,7 +1719,6 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) if ((nfsi->nrequests == 0) || new_isize > cur_isize) { i_size_write(inode, new_isize); invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA; - invalid &= ~NFS_INO_REVAL_PAGECACHE; } dprintk("NFS: isize change on server for file %s/%ld " "(%Ld to %Ld)\n", diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 7e3c4604bea8..9b372b845f6a 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -296,6 +296,22 @@ extern struct rpc_procinfo nfs4_procedures[]; #ifdef CONFIG_NFS_V4_SECURITY_LABEL extern struct nfs4_label *nfs4_label_alloc(struct nfs_server *server, gfp_t flags); +static inline struct nfs4_label * +nfs4_label_copy(struct nfs4_label *dst, struct nfs4_label *src) +{ + if (!dst || !src) + return NULL; + + if (src->len > NFS4_MAXLABELLEN) + return NULL; + + dst->lfs = src->lfs; + dst->pi = src->pi; + dst->len = src->len; + memcpy(dst->label, src->label, src->len); + + return dst; +} static inline void nfs4_label_free(struct nfs4_label *label) { if (label) { @@ -316,6 +332,11 @@ static inline void nfs4_label_free(void *label) {} static inline void nfs_zap_label_cache_locked(struct nfs_inode *nfsi) { } +static inline struct nfs4_label * +nfs4_label_copy(struct nfs4_label *dst, struct nfs4_label *src) +{ + return NULL; +} #endif /* CONFIG_NFS_V4_SECURITY_LABEL */ /* proc.c */ diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index f486b80f927a..d731bbf974aa 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -135,7 +135,7 @@ int nfs42_proc_deallocate(struct file *filep, loff_t offset, loff_t len) return err; } -loff_t nfs42_proc_llseek(struct file *filep, loff_t offset, int whence) +static loff_t _nfs42_proc_llseek(struct file *filep, loff_t offset, int whence) { struct inode *inode = file_inode(filep); struct nfs42_seek_args args = { @@ -171,6 +171,23 @@ loff_t nfs42_proc_llseek(struct file *filep, loff_t offset, int whence) return vfs_setpos(filep, res.sr_offset, inode->i_sb->s_maxbytes); } +loff_t nfs42_proc_llseek(struct file *filep, loff_t offset, int whence) +{ + struct nfs_server *server = NFS_SERVER(file_inode(filep)); + struct nfs4_exception exception = { }; + int err; + + do { + err = _nfs42_proc_llseek(filep, offset, whence); + if (err == -ENOTSUPP) + return -EOPNOTSUPP; + err = nfs4_handle_exception(server, err, &exception); + } while (exception.retry); + + return err; +} + + static void nfs42_layoutstat_prepare(struct rpc_task *task, void *calldata) { diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 6f228b5af819..3acb1eb72930 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -467,7 +467,10 @@ static void do_renew_lease(struct nfs_client *clp, unsigned long timestamp) static void renew_lease(const struct nfs_server *server, unsigned long timestamp) { - do_renew_lease(server->nfs_client, timestamp); + struct nfs_client *clp = server->nfs_client; + + if (!nfs4_has_session(clp)) + do_renew_lease(clp, timestamp); } struct nfs4_call_sync_data { @@ -616,8 +619,7 @@ int nfs41_sequence_done(struct rpc_task *task, struct nfs4_sequence_res *res) clp = session->clp; do_renew_lease(clp, res->sr_timestamp); /* Check sequence flags */ - if (res->sr_status_flags != 0) - nfs4_schedule_lease_recovery(clp); + nfs41_handle_sequence_flag_errors(clp, res->sr_status_flags); nfs41_update_target_slotid(slot->table, slot, res); break; case 1: @@ -910,6 +912,7 @@ struct nfs4_opendata { struct nfs_open_confirmres c_res; struct nfs4_string owner_name; struct nfs4_string group_name; + struct nfs4_label *a_label; struct nfs_fattr f_attr; struct nfs4_label *f_label; struct dentry *dir; @@ -1013,6 +1016,10 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, if (IS_ERR(p->f_label)) goto err_free_p; + p->a_label = nfs4_label_alloc(server, gfp_mask); + if (IS_ERR(p->a_label)) + goto err_free_f; + alloc_seqid = server->nfs_client->cl_mvops->alloc_seqid; p->o_arg.seqid = alloc_seqid(&sp->so_seqid, gfp_mask); if (IS_ERR(p->o_arg.seqid)) @@ -1041,7 +1048,7 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, p->o_arg.server = server; p->o_arg.bitmask = nfs4_bitmask(server, label); p->o_arg.open_bitmap = &nfs4_fattr_bitmap[0]; - p->o_arg.label = label; + p->o_arg.label = nfs4_label_copy(p->a_label, label); p->o_arg.claim = nfs4_map_atomic_open_claim(server, claim); switch (p->o_arg.claim) { case NFS4_OPEN_CLAIM_NULL: @@ -1074,6 +1081,8 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, return p; err_free_label: + nfs4_label_free(p->a_label); +err_free_f: nfs4_label_free(p->f_label); err_free_p: kfree(p); @@ -1093,6 +1102,7 @@ static void nfs4_opendata_free(struct kref *kref) nfs4_put_open_state(p->state); nfs4_put_state_owner(p->owner); + nfs4_label_free(p->a_label); nfs4_label_free(p->f_label); dput(p->dir); @@ -1198,12 +1208,15 @@ static bool nfs_need_update_open_stateid(struct nfs4_state *state, static void nfs_resync_open_stateid_locked(struct nfs4_state *state) { + if (!(state->n_wronly || state->n_rdonly || state->n_rdwr)) + return; if (state->n_wronly) set_bit(NFS_O_WRONLY_STATE, &state->flags); if (state->n_rdonly) set_bit(NFS_O_RDONLY_STATE, &state->flags); if (state->n_rdwr) set_bit(NFS_O_RDWR_STATE, &state->flags); + set_bit(NFS_OPEN_STATE, &state->flags); } static void nfs_clear_open_stateid_locked(struct nfs4_state *state, @@ -5439,15 +5452,15 @@ static int nfs4_proc_getlk(struct nfs4_state *state, int cmd, struct file_lock * return err; } -static int do_vfs_lock(struct file *file, struct file_lock *fl) +static int do_vfs_lock(struct inode *inode, struct file_lock *fl) { int res = 0; switch (fl->fl_flags & (FL_POSIX|FL_FLOCK)) { case FL_POSIX: - res = posix_lock_file_wait(file, fl); + res = posix_lock_inode_wait(inode, fl); break; case FL_FLOCK: - res = flock_lock_file_wait(file, fl); + res = flock_lock_inode_wait(inode, fl); break; default: BUG(); @@ -5484,7 +5497,6 @@ static struct nfs4_unlockdata *nfs4_alloc_unlockdata(struct file_lock *fl, atomic_inc(&lsp->ls_count); /* Ensure we don't close file until we're done freeing locks! */ p->ctx = get_nfs_open_context(ctx); - get_file(fl->fl_file); memcpy(&p->fl, fl, sizeof(p->fl)); p->server = NFS_SERVER(inode); return p; @@ -5496,7 +5508,6 @@ static void nfs4_locku_release_calldata(void *data) nfs_free_seqid(calldata->arg.seqid); nfs4_put_lock_state(calldata->lsp); put_nfs_open_context(calldata->ctx); - fput(calldata->fl.fl_file); kfree(calldata); } @@ -5509,7 +5520,7 @@ static void nfs4_locku_done(struct rpc_task *task, void *data) switch (task->tk_status) { case 0: renew_lease(calldata->server, calldata->timestamp); - do_vfs_lock(calldata->fl.fl_file, &calldata->fl); + do_vfs_lock(calldata->lsp->ls_state->inode, &calldata->fl); if (nfs4_update_lock_stateid(calldata->lsp, &calldata->res.stateid)) break; @@ -5617,7 +5628,7 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock * mutex_lock(&sp->so_delegreturn_mutex); /* Exclude nfs4_reclaim_open_stateid() - note nesting! */ down_read(&nfsi->rwsem); - if (do_vfs_lock(request->fl_file, request) == -ENOENT) { + if (do_vfs_lock(inode, request) == -ENOENT) { up_read(&nfsi->rwsem); mutex_unlock(&sp->so_delegreturn_mutex); goto out; @@ -5758,7 +5769,7 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata) data->timestamp); if (data->arg.new_lock) { data->fl.fl_flags &= ~(FL_SLEEP | FL_ACCESS); - if (do_vfs_lock(data->fl.fl_file, &data->fl) < 0) { + if (do_vfs_lock(lsp->ls_state->inode, &data->fl) < 0) { rpc_restart_call_prepare(task); break; } @@ -6000,7 +6011,7 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock if (status != 0) goto out; request->fl_flags |= FL_ACCESS; - status = do_vfs_lock(request->fl_file, request); + status = do_vfs_lock(state->inode, request); if (status < 0) goto out; down_read(&nfsi->rwsem); @@ -6008,7 +6019,7 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock /* Yes: cache locks! */ /* ...but avoid races with delegation recall... */ request->fl_flags = fl_flags & ~FL_SLEEP; - status = do_vfs_lock(request->fl_file, request); + status = do_vfs_lock(state->inode, request); up_read(&nfsi->rwsem); goto out; } @@ -7573,13 +7584,8 @@ static int nfs4_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred) goto out; } ret = rpc_wait_for_completion_task(task); - if (!ret) { - struct nfs4_sequence_res *res = task->tk_msg.rpc_resp; - - if (task->tk_status == 0) - nfs41_handle_sequence_flag_errors(clp, res->sr_status_flags); + if (!ret) ret = task->tk_status; - } rpc_put_task(task); out: dprintk("<-- %s status=%d\n", __func__, ret); @@ -7967,16 +7973,17 @@ static void nfs4_layoutreturn_release(void *calldata) { struct nfs4_layoutreturn *lrp = calldata; struct pnfs_layout_hdr *lo = lrp->args.layout; + LIST_HEAD(freeme); dprintk("--> %s\n", __func__); spin_lock(&lo->plh_inode->i_lock); if (lrp->res.lrs_present) pnfs_set_layout_stateid(lo, &lrp->res.stateid, true); + pnfs_mark_matching_lsegs_invalid(lo, &freeme, &lrp->args.range); pnfs_clear_layoutreturn_waitbit(lo); - clear_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, &lo->plh_flags); - rpc_wake_up(&NFS_SERVER(lo->plh_inode)->roc_rpcwaitq); lo->plh_block_lgets--; spin_unlock(&lo->plh_inode->i_lock); + pnfs_free_lseg_list(&freeme); pnfs_put_layout_hdr(lrp->args.layout); nfs_iput_and_deactive(lrp->inode); kfree(calldata); @@ -8590,7 +8597,6 @@ static const struct nfs4_minor_version_ops nfs_v4_0_minor_ops = { .minor_version = 0, .init_caps = NFS_CAP_READDIRPLUS | NFS_CAP_ATOMIC_OPEN - | NFS_CAP_CHANGE_ATTR | NFS_CAP_POSIX_LOCK, .init_client = nfs40_init_client, .shutdown_client = nfs40_shutdown_client, @@ -8616,7 +8622,6 @@ static const struct nfs4_minor_version_ops nfs_v4_1_minor_ops = { .minor_version = 1, .init_caps = NFS_CAP_READDIRPLUS | NFS_CAP_ATOMIC_OPEN - | NFS_CAP_CHANGE_ATTR | NFS_CAP_POSIX_LOCK | NFS_CAP_STATEID_NFSV41 | NFS_CAP_ATOMIC_OPEN_V1, @@ -8639,7 +8644,6 @@ static const struct nfs4_minor_version_ops nfs_v4_2_minor_ops = { .minor_version = 2, .init_caps = NFS_CAP_READDIRPLUS | NFS_CAP_ATOMIC_OPEN - | NFS_CAP_CHANGE_ATTR | NFS_CAP_POSIX_LOCK | NFS_CAP_STATEID_NFSV41 | NFS_CAP_ATOMIC_OPEN_V1 diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 605840dc89cf..f2e2ad894461 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -2191,25 +2191,35 @@ static void nfs41_handle_server_reboot(struct nfs_client *clp) } } -static void nfs41_handle_state_revoked(struct nfs_client *clp) +static void nfs41_handle_all_state_revoked(struct nfs_client *clp) { nfs4_reset_all_state(clp); dprintk("%s: state revoked on server %s\n", __func__, clp->cl_hostname); } +static void nfs41_handle_some_state_revoked(struct nfs_client *clp) +{ + nfs4_state_mark_reclaim_helper(clp, nfs4_state_mark_reclaim_nograce); + nfs4_schedule_state_manager(clp); + + dprintk("%s: state revoked on server %s\n", __func__, clp->cl_hostname); +} + static void nfs41_handle_recallable_state_revoked(struct nfs_client *clp) { - /* This will need to handle layouts too */ - nfs_expire_all_delegations(clp); + /* FIXME: For now, we destroy all layouts. */ + pnfs_destroy_all_layouts(clp); + /* FIXME: For now, we test all delegations+open state+locks. */ + nfs41_handle_some_state_revoked(clp); dprintk("%s: Recallable state revoked on server %s!\n", __func__, clp->cl_hostname); } static void nfs41_handle_backchannel_fault(struct nfs_client *clp) { - nfs_expire_all_delegations(clp); - if (test_and_set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state) == 0) - nfs4_schedule_state_manager(clp); + set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state); + nfs4_schedule_state_manager(clp); + dprintk("%s: server %s declared a backchannel fault\n", __func__, clp->cl_hostname); } @@ -2231,10 +2241,11 @@ void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags) if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED) nfs41_handle_server_reboot(clp); - if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED | - SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED | + if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED)) + nfs41_handle_all_state_revoked(clp); + if (flags & (SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED | SEQ4_STATUS_ADMIN_STATE_REVOKED)) - nfs41_handle_state_revoked(clp); + nfs41_handle_some_state_revoked(clp); if (flags & SEQ4_STATUS_LEASE_MOVED) nfs4_schedule_lease_moved_recovery(clp); if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED) diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index 1da68d3b1eda..4984bbe55ff1 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -1100,8 +1100,6 @@ static int nfs_do_recoalesce(struct nfs_pageio_descriptor *desc) mirror->pg_base = 0; mirror->pg_recoalesce = 0; - desc->pg_moreio = 0; - while (!list_empty(&head)) { struct nfs_page *req; @@ -1109,8 +1107,11 @@ static int nfs_do_recoalesce(struct nfs_pageio_descriptor *desc) nfs_list_remove_request(req); if (__nfs_pageio_add_request(desc, req)) continue; - if (desc->pg_error < 0) + if (desc->pg_error < 0) { + list_splice_tail(&head, &mirror->pg_list); + mirror->pg_recoalesce = 1; return 0; + } break; } } while (mirror->pg_recoalesce); diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 0ba9a02c9566..70bf706b1090 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -352,7 +352,7 @@ pnfs_layout_need_return(struct pnfs_layout_hdr *lo, { struct pnfs_layout_segment *s; - if (!test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) + if (!test_and_clear_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) return false; list_for_each_entry(s, &lo->plh_segs, pls_list) @@ -362,6 +362,18 @@ pnfs_layout_need_return(struct pnfs_layout_hdr *lo, return true; } +static bool +pnfs_prepare_layoutreturn(struct pnfs_layout_hdr *lo) +{ + if (test_and_set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags)) + return false; + lo->plh_return_iomode = 0; + lo->plh_block_lgets++; + pnfs_get_layout_hdr(lo); + clear_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, &lo->plh_flags); + return true; +} + static void pnfs_layoutreturn_before_put_lseg(struct pnfs_layout_segment *lseg, struct pnfs_layout_hdr *lo, struct inode *inode) { @@ -372,17 +384,16 @@ static void pnfs_layoutreturn_before_put_lseg(struct pnfs_layout_segment *lseg, if (pnfs_layout_need_return(lo, lseg)) { nfs4_stateid stateid; enum pnfs_iomode iomode; + bool send; stateid = lo->plh_stateid; iomode = lo->plh_return_iomode; - /* decreased in pnfs_send_layoutreturn() */ - lo->plh_block_lgets++; - lo->plh_return_iomode = 0; + send = pnfs_prepare_layoutreturn(lo); spin_unlock(&inode->i_lock); - pnfs_get_layout_hdr(lo); - - /* Send an async layoutreturn so we dont deadlock */ - pnfs_send_layoutreturn(lo, stateid, iomode, false); + if (send) { + /* Send an async layoutreturn so we dont deadlock */ + pnfs_send_layoutreturn(lo, stateid, iomode, false); + } } else spin_unlock(&inode->i_lock); } @@ -411,6 +422,10 @@ pnfs_put_lseg(struct pnfs_layout_segment *lseg) pnfs_layoutreturn_before_put_lseg(lseg, lo, inode); if (atomic_dec_and_lock(&lseg->pls_refcount, &inode->i_lock)) { + if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags)) { + spin_unlock(&inode->i_lock); + return; + } pnfs_get_layout_hdr(lo); pnfs_layout_remove_lseg(lo, lseg); spin_unlock(&inode->i_lock); @@ -451,6 +466,8 @@ pnfs_put_lseg_locked(struct pnfs_layout_segment *lseg) test_bit(NFS_LSEG_VALID, &lseg->pls_flags)); if (atomic_dec_and_test(&lseg->pls_refcount)) { struct pnfs_layout_hdr *lo = lseg->pls_layout; + if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags)) + return; pnfs_get_layout_hdr(lo); pnfs_layout_remove_lseg(lo, lseg); pnfs_free_lseg_async(lseg); @@ -924,6 +941,7 @@ void pnfs_clear_layoutreturn_waitbit(struct pnfs_layout_hdr *lo) clear_bit_unlock(NFS_LAYOUT_RETURN, &lo->plh_flags); smp_mb__after_atomic(); wake_up_bit(&lo->plh_flags, NFS_LAYOUT_RETURN); + rpc_wake_up(&NFS_SERVER(lo->plh_inode)->roc_rpcwaitq); } static int @@ -978,6 +996,7 @@ _pnfs_return_layout(struct inode *ino) LIST_HEAD(tmp_list); nfs4_stateid stateid; int status = 0, empty; + bool send; dprintk("NFS: %s for inode %lu\n", __func__, ino->i_ino); @@ -1007,17 +1026,18 @@ _pnfs_return_layout(struct inode *ino) /* Don't send a LAYOUTRETURN if list was initially empty */ if (empty) { spin_unlock(&ino->i_lock); - pnfs_put_layout_hdr(lo); dprintk("NFS: %s no layout segments to return\n", __func__); - goto out; + goto out_put_layout_hdr; } set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags); - lo->plh_block_lgets++; + send = pnfs_prepare_layoutreturn(lo); spin_unlock(&ino->i_lock); pnfs_free_lseg_list(&tmp_list); - - status = pnfs_send_layoutreturn(lo, stateid, IOMODE_ANY, true); + if (send) + status = pnfs_send_layoutreturn(lo, stateid, IOMODE_ANY, true); +out_put_layout_hdr: + pnfs_put_layout_hdr(lo); out: dprintk("<-- %s status: %d\n", __func__, status); return status; @@ -1097,13 +1117,9 @@ bool pnfs_roc(struct inode *ino) out_noroc: if (lo) { stateid = lo->plh_stateid; - layoutreturn = - test_and_clear_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, - &lo->plh_flags); - if (layoutreturn) { - lo->plh_block_lgets++; - pnfs_get_layout_hdr(lo); - } + if (test_and_clear_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, + &lo->plh_flags)) + layoutreturn = pnfs_prepare_layoutreturn(lo); } spin_unlock(&ino->i_lock); if (layoutreturn) { @@ -1146,15 +1162,18 @@ bool pnfs_roc_drain(struct inode *ino, u32 *barrier, struct rpc_task *task) struct pnfs_layout_segment *lseg; nfs4_stateid stateid; u32 current_seqid; - bool found = false, layoutreturn = false; + bool layoutreturn = false; spin_lock(&ino->i_lock); - list_for_each_entry(lseg, &nfsi->layout->plh_segs, pls_list) - if (test_bit(NFS_LSEG_ROC, &lseg->pls_flags)) { - rpc_sleep_on(&NFS_SERVER(ino)->roc_rpcwaitq, task, NULL); - found = true; - goto out; - } + list_for_each_entry(lseg, &nfsi->layout->plh_segs, pls_list) { + if (!test_bit(NFS_LSEG_ROC, &lseg->pls_flags)) + continue; + if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags)) + continue; + rpc_sleep_on(&NFS_SERVER(ino)->roc_rpcwaitq, task, NULL); + spin_unlock(&ino->i_lock); + return true; + } lo = nfsi->layout; current_seqid = be32_to_cpu(lo->plh_stateid.seqid); @@ -1162,23 +1181,19 @@ bool pnfs_roc_drain(struct inode *ino, u32 *barrier, struct rpc_task *task) * a barrier, we choose the worst-case barrier. */ *barrier = current_seqid + atomic_read(&lo->plh_outstanding); -out: - if (!found) { - stateid = lo->plh_stateid; - layoutreturn = - test_and_clear_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, - &lo->plh_flags); - if (layoutreturn) { - lo->plh_block_lgets++; - pnfs_get_layout_hdr(lo); - } - } + stateid = lo->plh_stateid; + if (test_and_clear_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, + &lo->plh_flags)) + layoutreturn = pnfs_prepare_layoutreturn(lo); + if (test_bit(NFS_LAYOUT_RETURN, &lo->plh_flags)) + rpc_sleep_on(&NFS_SERVER(ino)->roc_rpcwaitq, task, NULL); + spin_unlock(&ino->i_lock); if (layoutreturn) { - rpc_sleep_on(&NFS_SERVER(ino)->roc_rpcwaitq, task, NULL); pnfs_send_layoutreturn(lo, stateid, IOMODE_ANY, false); + return true; } - return found; + return false; } /* @@ -1695,7 +1710,6 @@ void pnfs_error_mark_layout_for_return(struct inode *inode, spin_lock(&inode->i_lock); /* set failure bit so that pnfs path will be retried later */ pnfs_layout_set_fail_bit(lo, iomode); - set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags); if (lo->plh_return_iomode == 0) lo->plh_return_iomode = range.iomode; else if (lo->plh_return_iomode != range.iomode) @@ -2207,13 +2221,12 @@ pnfs_layoutcommit_inode(struct inode *inode, bool sync) if (ld->prepare_layoutcommit) { status = ld->prepare_layoutcommit(&data->args); if (status) { + put_rpccred(data->cred); spin_lock(&inode->i_lock); set_bit(NFS_INO_LAYOUTCOMMIT, &nfsi->flags); if (end_pos > nfsi->layout->plh_lwb) nfsi->layout->plh_lwb = end_pos; - spin_unlock(&inode->i_lock); - put_rpccred(data->cred); - goto clear_layoutcommitting; + goto out_unlock; } } diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 65869ca9c851..75a35a1afa79 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -1379,24 +1379,27 @@ static void nfs_writeback_check_extend(struct nfs_pgio_header *hdr, { struct nfs_pgio_args *argp = &hdr->args; struct nfs_pgio_res *resp = &hdr->res; + u64 size = argp->offset + resp->count; if (!(fattr->valid & NFS_ATTR_FATTR_SIZE)) + fattr->size = size; + if (nfs_size_to_loff_t(fattr->size) < i_size_read(hdr->inode)) { + fattr->valid &= ~NFS_ATTR_FATTR_SIZE; return; - if (argp->offset + resp->count != fattr->size) - return; - if (nfs_size_to_loff_t(fattr->size) < i_size_read(hdr->inode)) + } + if (size != fattr->size) return; /* Set attribute barrier */ nfs_fattr_set_barrier(fattr); + /* ...and update size */ + fattr->valid |= NFS_ATTR_FATTR_SIZE; } void nfs_writeback_update_inode(struct nfs_pgio_header *hdr) { - struct nfs_fattr *fattr = hdr->res.fattr; + struct nfs_fattr *fattr = &hdr->fattr; struct inode *inode = hdr->inode; - if (fattr == NULL) - return; spin_lock(&inode->i_lock); nfs_writeback_check_extend(hdr, fattr); nfs_post_op_update_inode_force_wcc_locked(inode, fattr); diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c index 6904213a4363..ebf90e487c75 100644 --- a/fs/nfsd/nfs4layouts.c +++ b/fs/nfsd/nfs4layouts.c @@ -212,6 +212,7 @@ nfsd4_alloc_layout_stateid(struct nfsd4_compound_state *cstate, BUG_ON(!ls->ls_file); if (nfsd4_layout_setlease(ls)) { + fput(ls->ls_file); put_nfs4_file(fp); kmem_cache_free(nfs4_layout_stateid_cache, ls); return NULL; diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 61dfb33f0559..95202719a1fd 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -4396,9 +4396,9 @@ laundromat_main(struct work_struct *laundry) queue_delayed_work(laundry_wq, &nn->laundromat_work, t*HZ); } -static inline __be32 nfs4_check_fh(struct svc_fh *fhp, struct nfs4_ol_stateid *stp) +static inline __be32 nfs4_check_fh(struct svc_fh *fhp, struct nfs4_stid *stp) { - if (!fh_match(&fhp->fh_handle, &stp->st_stid.sc_file->fi_fhandle)) + if (!fh_match(&fhp->fh_handle, &stp->sc_file->fi_fhandle)) return nfserr_bad_stateid; return nfs_ok; } @@ -4601,9 +4601,6 @@ nfs4_check_olstateid(struct svc_fh *fhp, struct nfs4_ol_stateid *ols, int flags) { __be32 status; - status = nfs4_check_fh(fhp, ols); - if (status) - return status; status = nfsd4_check_openowner_confirmed(ols); if (status) return status; @@ -4690,6 +4687,9 @@ nfs4_preprocess_stateid_op(struct svc_rqst *rqstp, status = nfserr_bad_stateid; break; } + if (status) + goto out; + status = nfs4_check_fh(fhp, s); done: if (!status && filpp) @@ -4798,7 +4798,7 @@ static __be32 nfs4_seqid_op_checks(struct nfsd4_compound_state *cstate, stateid_ status = check_stateid_generation(stateid, &stp->st_stid.sc_stateid, nfsd4_has_session(cstate)); if (status) return status; - return nfs4_check_fh(current_fh, stp); + return nfs4_check_fh(current_fh, &stp->st_stid); } /* diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 54633858733a..75e0563c09d1 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2143,6 +2143,7 @@ nfsd4_encode_aclname(struct xdr_stream *xdr, struct svc_rqst *rqstp, #define WORD0_ABSENT_FS_ATTRS (FATTR4_WORD0_FS_LOCATIONS | FATTR4_WORD0_FSID | \ FATTR4_WORD0_RDATTR_ERROR) #define WORD1_ABSENT_FS_ATTRS FATTR4_WORD1_MOUNTED_ON_FILEID +#define WORD2_ABSENT_FS_ATTRS 0 #ifdef CONFIG_NFSD_V4_SECURITY_LABEL static inline __be32 @@ -2171,7 +2172,7 @@ nfsd4_encode_security_label(struct xdr_stream *xdr, struct svc_rqst *rqstp, { return 0; } #endif -static __be32 fattr_handle_absent_fs(u32 *bmval0, u32 *bmval1, u32 *rdattr_err) +static __be32 fattr_handle_absent_fs(u32 *bmval0, u32 *bmval1, u32 *bmval2, u32 *rdattr_err) { /* As per referral draft: */ if (*bmval0 & ~WORD0_ABSENT_FS_ATTRS || @@ -2184,6 +2185,7 @@ static __be32 fattr_handle_absent_fs(u32 *bmval0, u32 *bmval1, u32 *rdattr_err) } *bmval0 &= WORD0_ABSENT_FS_ATTRS; *bmval1 &= WORD1_ABSENT_FS_ATTRS; + *bmval2 &= WORD2_ABSENT_FS_ATTRS; return 0; } @@ -2246,8 +2248,7 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, BUG_ON(bmval2 & ~nfsd_suppattrs2(minorversion)); if (exp->ex_fslocs.migrated) { - BUG_ON(bmval[2]); - status = fattr_handle_absent_fs(&bmval0, &bmval1, &rdattr_err); + status = fattr_handle_absent_fs(&bmval0, &bmval1, &bmval2, &rdattr_err); if (status) goto out; } @@ -2286,8 +2287,8 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, } #ifdef CONFIG_NFSD_V4_SECURITY_LABEL - if ((bmval[2] & FATTR4_WORD2_SECURITY_LABEL) || - bmval[0] & FATTR4_WORD0_SUPPORTED_ATTRS) { + if ((bmval2 & FATTR4_WORD2_SECURITY_LABEL) || + bmval0 & FATTR4_WORD0_SUPPORTED_ATTRS) { err = security_inode_getsecctx(d_inode(dentry), &context, &contextlen); contextsupport = (err == 0); diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index 9a20e513d7eb..aba43811d6ef 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -1369,7 +1369,6 @@ long nilfs_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) case NILFS_IOCTL_SYNC: case NILFS_IOCTL_RESIZE: case NILFS_IOCTL_SET_ALLOC_RANGE: - case FITRIM: break; default: return -ENOIOCTLCMD; diff --git a/fs/notify/mark.c b/fs/notify/mark.c index 92e48c70f0f0..39ddcaf0918f 100644 --- a/fs/notify/mark.c +++ b/fs/notify/mark.c @@ -412,16 +412,36 @@ void fsnotify_clear_marks_by_group_flags(struct fsnotify_group *group, unsigned int flags) { struct fsnotify_mark *lmark, *mark; + LIST_HEAD(to_free); + /* + * We have to be really careful here. Anytime we drop mark_mutex, e.g. + * fsnotify_clear_marks_by_inode() can come and free marks. Even in our + * to_free list so we have to use mark_mutex even when accessing that + * list. And freeing mark requires us to drop mark_mutex. So we can + * reliably free only the first mark in the list. That's why we first + * move marks to free to to_free list in one go and then free marks in + * to_free list one by one. + */ mutex_lock_nested(&group->mark_mutex, SINGLE_DEPTH_NESTING); list_for_each_entry_safe(mark, lmark, &group->marks_list, g_list) { - if (mark->flags & flags) { - fsnotify_get_mark(mark); - fsnotify_destroy_mark_locked(mark, group); - fsnotify_put_mark(mark); - } + if (mark->flags & flags) + list_move(&mark->g_list, &to_free); } mutex_unlock(&group->mark_mutex); + + while (1) { + mutex_lock_nested(&group->mark_mutex, SINGLE_DEPTH_NESTING); + if (list_empty(&to_free)) { + mutex_unlock(&group->mark_mutex); + break; + } + mark = list_first_entry(&to_free, struct fsnotify_mark, g_list); + fsnotify_get_mark(mark); + fsnotify_destroy_mark_locked(mark, group); + mutex_unlock(&group->mark_mutex); + fsnotify_put_mark(mark); + } } /* diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 1a35c6139656..0f5fd9db8194 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -685,7 +685,7 @@ static int ocfs2_direct_IO_zero_extend(struct ocfs2_super *osb, if (p_cpos && !(ext_flags & OCFS2_EXT_UNWRITTEN)) { u64 s = i_size_read(inode); - sector_t sector = (p_cpos << (osb->s_clustersize_bits - 9)) + + sector_t sector = ((u64)p_cpos << (osb->s_clustersize_bits - 9)) + (do_div(s, osb->s_clustersize) >> 9); ret = blkdev_issue_zeroout(osb->sb->s_bdev, sector, @@ -910,7 +910,7 @@ static ssize_t ocfs2_direct_IO_write(struct kiocb *iocb, BUG_ON(!p_cpos || (ext_flags & OCFS2_EXT_UNWRITTEN)); ret = blkdev_issue_zeroout(osb->sb->s_bdev, - p_cpos << (osb->s_clustersize_bits - 9), + (u64)p_cpos << (osb->s_clustersize_bits - 9), zero_len_head >> 9, GFP_NOFS, false); if (ret < 0) mlog_errno(ret); diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 8b23aa2f52dd..23157e40dd74 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -4025,9 +4025,13 @@ static void ocfs2_downconvert_thread_do_work(struct ocfs2_super *osb) osb->dc_work_sequence = osb->dc_wake_sequence; processed = osb->blocked_lock_count; - while (processed) { - BUG_ON(list_empty(&osb->blocked_lock_list)); - + /* + * blocked lock processing in this loop might call iput which can + * remove items off osb->blocked_lock_list. Downconvert up to + * 'processed' number of locks, but stop short if we had some + * removed in ocfs2_mark_lockres_freeing when downconverting. + */ + while (processed && !list_empty(&osb->blocked_lock_list)) { lockres = list_entry(osb->blocked_lock_list.next, struct ocfs2_lock_res, l_blocked_list); list_del_init(&lockres->l_blocked_list); diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c index 53e6c40ed4c6..3cb097ccce60 100644 --- a/fs/ocfs2/ioctl.c +++ b/fs/ocfs2/ioctl.c @@ -980,7 +980,6 @@ long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg) case OCFS2_IOC_GROUP_EXTEND: case OCFS2_IOC_GROUP_ADD: case OCFS2_IOC_GROUP_ADD64: - case FITRIM: break; case OCFS2_IOC_REFLINK: if (copy_from_user(&args, argp, sizeof(args))) diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index f140e3dbfb7b..d9da5a4e9382 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -343,6 +343,9 @@ struct inode *ovl_d_select_inode(struct dentry *dentry, unsigned file_flags) struct path realpath; enum ovl_path_type type; + if (d_is_dir(dentry)) + return d_backing_inode(dentry); + type = ovl_path_real(dentry, &realpath); if (ovl_open_need_copy_up(file_flags, type, realpath.dentry)) { err = ovl_want_write(dentry); diff --git a/fs/pnode.h b/fs/pnode.h index 7114ce6e6b9e..0fcdbe7ca648 100644 --- a/fs/pnode.h +++ b/fs/pnode.h @@ -20,8 +20,6 @@ #define SET_MNT_MARK(m) ((m)->mnt.mnt_flags |= MNT_MARKED) #define CLEAR_MNT_MARK(m) ((m)->mnt.mnt_flags &= ~MNT_MARKED) #define IS_MNT_LOCKED(m) ((m)->mnt.mnt_flags & MNT_LOCKED) -#define IS_MNT_LOCKED_AND_LAZY(m) \ - (((m)->mnt.mnt_flags & (MNT_LOCKED|MNT_SYNC_UMOUNT)) == MNT_LOCKED) #define CL_EXPIRE 0x01 #define CL_SLAVE 0x02 diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig index d751fcb637bb..1ade1206bb89 100644 --- a/fs/proc/Kconfig +++ b/fs/proc/Kconfig @@ -75,3 +75,9 @@ config PROC_PAGE_MONITOR config PROC_CHILDREN bool "Include /proc/<pid>/task/<tid>/children file" default n + help + Provides a fast way to retrieve first level children pids of a task. See + <file:Documentation/filesystems/proc.txt> for more information. + + Say Y if you are running any user-space software which takes benefit from + this interface. For example, rkt is such a piece of software. diff --git a/fs/proc/base.c b/fs/proc/base.c index 87782e874b6a..aa50d1ac28fc 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -243,6 +243,11 @@ static ssize_t proc_pid_cmdline_read(struct file *file, char __user *buf, len1 = arg_end - arg_start; len2 = env_end - env_start; + /* Empty ARGV. */ + if (len1 == 0) { + rv = 0; + goto out_free_page; + } /* * Inherently racy -- command line shares address space * with code and data. diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c index 91a4e6426321..92e6726f6e37 100644 --- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -92,7 +92,7 @@ static size_t get_kcore_size(int *nphdr, size_t *elf_buflen) roundup(sizeof(CORE_STR), 4)) + roundup(sizeof(struct elf_prstatus), 4) + roundup(sizeof(struct elf_prpsinfo), 4) + - roundup(sizeof(struct task_struct), 4); + roundup(arch_task_struct_size, 4); *elf_buflen = PAGE_ALIGN(*elf_buflen); return size + *elf_buflen; } @@ -415,7 +415,7 @@ static void elf_kcore_store_hdr(char *bufp, int nphdr, int dataoff) /* set up the task structure */ notes[2].name = CORE_STR; notes[2].type = NT_TASKSTRUCT; - notes[2].datasz = sizeof(struct task_struct); + notes[2].datasz = arch_task_struct_size; notes[2].data = current; nhdr->p_filesz += notesize(¬es[2]); diff --git a/fs/signalfd.c b/fs/signalfd.c index 7e412ad74836..270221fcef42 100644 --- a/fs/signalfd.c +++ b/fs/signalfd.c @@ -121,8 +121,9 @@ static int signalfd_copyinfo(struct signalfd_siginfo __user *uinfo, * Other callers might not initialize the si_lsb field, * so check explicitly for the right codes here. */ - if (kinfo->si_code == BUS_MCEERR_AR || - kinfo->si_code == BUS_MCEERR_AO) + if (kinfo->si_signo == SIGBUS && + (kinfo->si_code == BUS_MCEERR_AR || + kinfo->si_code == BUS_MCEERR_AO)) err |= __put_user((short) kinfo->si_addr_lsb, &uinfo->ssi_addr_lsb); #endif diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 6afac3d561ac..8d0b3ade0ff0 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1652,17 +1652,9 @@ static int udf_update_inode(struct inode *inode, int do_sync) iinfo->i_ext.i_data, inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry)); use->descTag.tagIdent = cpu_to_le16(TAG_IDENT_USE); - use->descTag.tagLocation = - cpu_to_le32(iinfo->i_location.logicalBlockNum); - crclen = sizeof(struct unallocSpaceEntry) + - iinfo->i_lenAlloc - sizeof(struct tag); - use->descTag.descCRCLength = cpu_to_le16(crclen); - use->descTag.descCRC = cpu_to_le16(crc_itu_t(0, (char *)use + - sizeof(struct tag), - crclen)); - use->descTag.tagChecksum = udf_tag_checksum(&use->descTag); + crclen = sizeof(struct unallocSpaceEntry); - goto out; + goto finish; } if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_FORGET)) @@ -1782,6 +1774,8 @@ static int udf_update_inode(struct inode *inode, int do_sync) efe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EFE); crclen = sizeof(struct extendedFileEntry); } + +finish: if (iinfo->i_strat4096) { fe->icbTag.strategyType = cpu_to_le16(4096); fe->icbTag.strategyParameter = cpu_to_le16(1); @@ -1791,7 +1785,9 @@ static int udf_update_inode(struct inode *inode, int do_sync) fe->icbTag.numEntries = cpu_to_le16(1); } - if (S_ISDIR(inode->i_mode)) + if (iinfo->i_use) + fe->icbTag.fileType = ICBTAG_FILE_TYPE_USE; + else if (S_ISDIR(inode->i_mode)) fe->icbTag.fileType = ICBTAG_FILE_TYPE_DIRECTORY; else if (S_ISREG(inode->i_mode)) fe->icbTag.fileType = ICBTAG_FILE_TYPE_REGULAR; @@ -1828,7 +1824,6 @@ static int udf_update_inode(struct inode *inode, int do_sync) crclen)); fe->descTag.tagChecksum = udf_tag_checksum(&fe->descTag); -out: set_buffer_uptodate(bh); unlock_buffer(bh); diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c index 20de88d1bf86..dd714037c322 100644 --- a/fs/xfs/libxfs/xfs_attr_remote.c +++ b/fs/xfs/libxfs/xfs_attr_remote.c @@ -159,11 +159,10 @@ xfs_attr3_rmt_write_verify( struct xfs_buf *bp) { struct xfs_mount *mp = bp->b_target->bt_mount; - struct xfs_buf_log_item *bip = bp->b_fspriv; + int blksize = mp->m_attr_geo->blksize; char *ptr; int len; xfs_daddr_t bno; - int blksize = mp->m_attr_geo->blksize; /* no verification of non-crc buffers */ if (!xfs_sb_version_hascrc(&mp->m_sb)) @@ -175,16 +174,22 @@ xfs_attr3_rmt_write_verify( ASSERT(len >= blksize); while (len > 0) { + struct xfs_attr3_rmt_hdr *rmt = (struct xfs_attr3_rmt_hdr *)ptr; + if (!xfs_attr3_rmt_verify(mp, ptr, blksize, bno)) { xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } - if (bip) { - struct xfs_attr3_rmt_hdr *rmt; - rmt = (struct xfs_attr3_rmt_hdr *)ptr; - rmt->rm_lsn = cpu_to_be64(bip->bli_item.li_lsn); + /* + * Ensure we aren't writing bogus LSNs to disk. See + * xfs_attr3_rmt_hdr_set() for the explanation. + */ + if (rmt->rm_lsn != cpu_to_be64(NULLCOMMITLSN)) { + xfs_buf_ioerror(bp, -EFSCORRUPTED); + xfs_verifier_error(bp); + return; } xfs_update_cksum(ptr, blksize, XFS_ATTR3_RMT_CRC_OFF); @@ -221,6 +226,18 @@ xfs_attr3_rmt_hdr_set( rmt->rm_owner = cpu_to_be64(ino); rmt->rm_blkno = cpu_to_be64(bno); + /* + * Remote attribute blocks are written synchronously, so we don't + * have an LSN that we can stamp in them that makes any sense to log + * recovery. To ensure that log recovery handles overwrites of these + * blocks sanely (i.e. once they've been freed and reallocated as some + * other type of metadata) we need to ensure that the LSN has a value + * that tells log recovery to ignore the LSN and overwrite the buffer + * with whatever is in it's log. To do this, we use the magic + * NULLCOMMITLSN to indicate that the LSN is invalid. + */ + rmt->rm_lsn = cpu_to_be64(NULLCOMMITLSN); + return sizeof(struct xfs_attr3_rmt_hdr); } @@ -434,14 +451,21 @@ xfs_attr_rmtval_set( /* * Allocate a single extent, up to the size of the value. + * + * Note that we have to consider this a data allocation as we + * write the remote attribute without logging the contents. + * Hence we must ensure that we aren't using blocks that are on + * the busy list so that we don't overwrite blocks which have + * recently been freed but their transactions are not yet + * committed to disk. If we overwrite the contents of a busy + * extent and then crash then the block may not contain the + * correct metadata after log recovery occurs. */ xfs_bmap_init(args->flist, args->firstblock); nmap = 1; error = xfs_bmapi_write(args->trans, dp, (xfs_fileoff_t)lblkno, - blkcnt, - XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA, - args->firstblock, args->total, &map, &nmap, - args->flist); + blkcnt, XFS_BMAPI_ATTRFORK, args->firstblock, + args->total, &map, &nmap, args->flist); if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, &committed); diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index f0e8249722d4..db4acc1c3e73 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -1514,18 +1514,27 @@ xfs_filemap_fault( struct vm_area_struct *vma, struct vm_fault *vmf) { - struct xfs_inode *ip = XFS_I(file_inode(vma->vm_file)); + struct inode *inode = file_inode(vma->vm_file); int ret; - trace_xfs_filemap_fault(ip); + trace_xfs_filemap_fault(XFS_I(inode)); /* DAX can shortcut the normal fault path on write faults! */ - if ((vmf->flags & FAULT_FLAG_WRITE) && IS_DAX(VFS_I(ip))) + if ((vmf->flags & FAULT_FLAG_WRITE) && IS_DAX(inode)) return xfs_filemap_page_mkwrite(vma, vmf); - xfs_ilock(ip, XFS_MMAPLOCK_SHARED); - ret = filemap_fault(vma, vmf); - xfs_iunlock(ip, XFS_MMAPLOCK_SHARED); + xfs_ilock(XFS_I(inode), XFS_MMAPLOCK_SHARED); + if (IS_DAX(inode)) { + /* + * we do not want to trigger unwritten extent conversion on read + * faults - that is unnecessary overhead and would also require + * changes to xfs_get_blocks_direct() to map unwritten extent + * ioend for conversion on read-only mappings. + */ + ret = __dax_fault(vma, vmf, xfs_get_blocks_direct, NULL); + } else + ret = filemap_fault(vma, vmf); + xfs_iunlock(XFS_I(inode), XFS_MMAPLOCK_SHARED); return ret; } diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 01dd228ca05e..480ebba8464f 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -1886,9 +1886,14 @@ xlog_recover_get_buf_lsn( uuid = &((struct xfs_dir3_blk_hdr *)blk)->uuid; break; case XFS_ATTR3_RMT_MAGIC: - lsn = be64_to_cpu(((struct xfs_attr3_rmt_hdr *)blk)->rm_lsn); - uuid = &((struct xfs_attr3_rmt_hdr *)blk)->rm_uuid; - break; + /* + * Remote attr blocks are written synchronously, rather than + * being logged. That means they do not contain a valid LSN + * (i.e. transactionally ordered) in them, and hence any time we + * see a buffer to replay over the top of a remote attribute + * block we should simply do so. + */ + goto recover_immediately; case XFS_SB_MAGIC: lsn = be64_to_cpu(((struct xfs_dsb *)blk)->sb_lsn); uuid = &((struct xfs_dsb *)blk)->sb_uuid; diff --git a/include/asm-generic/mm-arch-hooks.h b/include/asm-generic/mm-arch-hooks.h new file mode 100644 index 000000000000..5ff0e5193f85 --- /dev/null +++ b/include/asm-generic/mm-arch-hooks.h @@ -0,0 +1,16 @@ +/* + * Architecture specific mm hooks + */ + +#ifndef _ASM_GENERIC_MM_ARCH_HOOKS_H +#define _ASM_GENERIC_MM_ARCH_HOOKS_H + +/* + * This file should be included through arch/../include/asm/Kbuild for + * the architecture which doesn't need specific mm hooks. + * + * In that case, the generic hooks defined in include/linux/mm-arch-hooks.h + * are used. + */ + +#endif /* _ASM_GENERIC_MM_ARCH_HOOKS_H */ diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 48db6a56975f..5aa519711e0b 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -691,7 +691,7 @@ struct drm_vblank_crtc { struct timer_list disable_timer; /* delayed disable timer */ /* vblank counter, protected by dev->vblank_time_lock for writes */ - unsigned long count; + u32 count; /* vblank timestamps, protected by dev->vblank_time_lock for writes */ struct timeval time[DRM_VBLANKTIME_RBSIZE]; diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 57ca8cc383a6..3b4d8a4a23fb 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -743,8 +743,6 @@ struct drm_connector { uint8_t num_h_tile, num_v_tile; uint8_t tile_h_loc, tile_v_loc; uint16_t tile_h_size, tile_v_size; - - struct list_head destroy_list; }; /** diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h index c8fc187061de..918aa68b5199 100644 --- a/include/drm/drm_crtc_helper.h +++ b/include/drm/drm_crtc_helper.h @@ -168,6 +168,7 @@ struct drm_encoder_helper_funcs { * @get_modes: get mode list for this connector * @mode_valid: is this mode valid on the given connector? (optional) * @best_encoder: return the preferred encoder for this connector + * @atomic_best_encoder: atomic version of @best_encoder * * The helper operations are called by the mid-layer CRTC helper. */ @@ -176,6 +177,8 @@ struct drm_connector_helper_funcs { enum drm_mode_status (*mode_valid)(struct drm_connector *connector, struct drm_display_mode *mode); struct drm_encoder *(*best_encoder)(struct drm_connector *connector); + struct drm_encoder *(*atomic_best_encoder)(struct drm_connector *connector, + struct drm_connector_state *connector_state); }; extern void drm_helper_disable_unused_functions(struct drm_device *dev); diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 799050198323..53c53c459b15 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -348,6 +348,25 @@ static inline int drm_eld_mnl(const uint8_t *eld) } /** + * drm_eld_sad - Get ELD SAD structures. + * @eld: pointer to an eld memory structure with sad_count set + */ +static inline const uint8_t *drm_eld_sad(const uint8_t *eld) +{ + unsigned int ver, mnl; + + ver = (eld[DRM_ELD_VER] & DRM_ELD_VER_MASK) >> DRM_ELD_VER_SHIFT; + if (ver != 2 && ver != 31) + return NULL; + + mnl = drm_eld_mnl(eld); + if (mnl > 16) + return NULL; + + return eld + DRM_ELD_CEA_SAD(mnl, 0); +} + +/** * drm_eld_sad_count - Get ELD SAD count. * @eld: pointer to an eld memory structure with sad_count set */ diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index 45c39a37f924..8bc073d297db 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -172,6 +172,7 @@ {0x1002, 0x6610, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6611, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6613, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6617, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6620, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6621, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6623, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ diff --git a/include/linux/acpi.h b/include/linux/acpi.h index c471dfc93b71..d2445fa9999f 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -58,6 +58,19 @@ static inline acpi_handle acpi_device_handle(struct acpi_device *adev) acpi_fwnode_handle(adev) : NULL) #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) +/** + * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with + * the PCI-defined class-code information + * + * @_cls : the class, subclass, prog-if triple for this device + * @_msk : the class mask for this device + * + * This macro is used to create a struct acpi_device_id that matches a + * specific PCI class. The .id and .driver_data fields will be left + * initialized with the default value. + */ +#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk), + static inline bool has_acpi_companion(struct device *dev) { return is_acpi_node(dev->fwnode); @@ -309,9 +322,6 @@ int acpi_check_region(resource_size_t start, resource_size_t n, int acpi_resources_are_enforced(void); -int acpi_reserve_region(u64 start, unsigned int length, u8 space_id, - unsigned long flags, char *desc); - #ifdef CONFIG_HIBERNATION void __init acpi_no_s4_hw_signature(void); #endif @@ -446,6 +456,7 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *); #define ACPI_COMPANION(dev) (NULL) #define ACPI_COMPANION_SET(dev, adev) do { } while (0) #define ACPI_HANDLE(dev) (NULL) +#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), struct fwnode_handle; @@ -507,13 +518,6 @@ static inline int acpi_check_region(resource_size_t start, resource_size_t n, return 0; } -static inline int acpi_reserve_region(u64 start, unsigned int length, - u8 space_id, unsigned long flags, - char *desc) -{ - return -ENXIO; -} - struct acpi_table_header; static inline int acpi_table_parse(char *id, int (*handler)(struct acpi_table_header *)) diff --git a/include/linux/amba/sp810.h b/include/linux/amba/sp810.h index c7df89f99115..58fe9e8b6fd7 100644 --- a/include/linux/amba/sp810.h +++ b/include/linux/amba/sp810.h @@ -2,7 +2,7 @@ * ARM PrimeXsys System Controller SP810 header file * * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/include/linux/ata.h b/include/linux/ata.h index fed36418dd1c..d2992bfa1706 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -45,6 +45,7 @@ enum { ATA_SECT_SIZE = 512, ATA_MAX_SECTORS_128 = 128, ATA_MAX_SECTORS = 256, + ATA_MAX_SECTORS_1024 = 1024, ATA_MAX_SECTORS_LBA48 = 65535,/* TODO: 65536? */ ATA_MAX_SECTORS_TAPE = 65535, @@ -384,8 +385,6 @@ enum { SATA_SSP = 0x06, /* Software Settings Preservation */ SATA_DEVSLP = 0x09, /* Device Sleep */ - SETFEATURE_SENSE_DATA = 0xC3, /* Sense Data Reporting feature */ - /* feature values for SET_MAX */ ATA_SET_MAX_ADDR = 0x00, ATA_SET_MAX_PASSWD = 0x01, @@ -529,8 +528,6 @@ struct ata_bmdma_prd { #define ata_id_cdb_intr(id) (((id)[ATA_ID_CONFIG] & 0x60) == 0x20) #define ata_id_has_da(id) ((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4)) #define ata_id_has_devslp(id) ((id)[ATA_ID_FEATURE_SUPP] & (1 << 8)) -#define ata_id_has_ncq_autosense(id) \ - ((id)[ATA_ID_FEATURE_SUPP] & (1 << 7)) static inline bool ata_id_has_hipm(const u16 *id) { @@ -719,20 +716,6 @@ static inline bool ata_id_has_read_log_dma_ext(const u16 *id) return false; } -static inline bool ata_id_has_sense_reporting(const u16 *id) -{ - if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15))) - return false; - return id[ATA_ID_COMMAND_SET_3] & (1 << 6); -} - -static inline bool ata_id_sense_reporting_enabled(const u16 *id) -{ - if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15))) - return false; - return id[ATA_ID_COMMAND_SET_4] & (1 << 6); -} - /** * ata_id_major_version - get ATA level of drive * @id: Identify data diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h index 58cfab80dd70..1b62d768c7df 100644 --- a/include/linux/blk-cgroup.h +++ b/include/linux/blk-cgroup.h @@ -47,6 +47,7 @@ struct blkcg { struct blkcg_policy_data *pd[BLKCG_MAX_POLS]; + struct list_head all_blkcgs_node; #ifdef CONFIG_CGROUP_WRITEBACK struct list_head cgwb_list; #endif @@ -88,18 +89,12 @@ struct blkg_policy_data { * Policies that need to keep per-blkcg data which is independent * from any request_queue associated to it must specify its size * with the cpd_size field of the blkcg_policy structure and - * embed a blkcg_policy_data in it. blkcg core allocates - * policy-specific per-blkcg structures lazily the first time - * they are actually needed, so it handles them together with - * blkgs. cpd_init() is invoked to let each policy handle - * per-blkcg data. + * embed a blkcg_policy_data in it. cpd_init() is invoked to let + * each policy handle per-blkcg data. */ struct blkcg_policy_data { /* the policy id this per-policy data belongs to */ int plid; - - /* used during policy activation */ - struct list_head alloc_node; }; /* association between a blk cgroup and a request queue */ diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 73b45225a7ca..e6797ded700e 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -317,6 +317,13 @@ sb_getblk(struct super_block *sb, sector_t block) return __getblk_gfp(sb->s_bdev, block, sb->s_blocksize, __GFP_MOVABLE); } + +static inline struct buffer_head * +sb_getblk_gfp(struct super_block *sb, sector_t block, gfp_t gfp) +{ + return __getblk_gfp(sb->s_bdev, block, sb->s_blocksize, gfp); +} + static inline struct buffer_head * sb_find_get_block(struct super_block *sb, sector_t block) { diff --git a/include/linux/can/skb.h b/include/linux/can/skb.h index b6a52a4b457a..51bb6532785c 100644 --- a/include/linux/can/skb.h +++ b/include/linux/can/skb.h @@ -27,10 +27,12 @@ /** * struct can_skb_priv - private additional data inside CAN sk_buffs * @ifindex: ifindex of the first interface the CAN frame appeared on + * @skbcnt: atomic counter to have an unique id together with skb pointer * @cf: align to the following CAN frame at skb->data */ struct can_skb_priv { int ifindex; + int skbcnt; struct can_frame cf[0]; }; diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h index e15499422fdc..37753278987a 100644 --- a/include/linux/ceph/messenger.h +++ b/include/linux/ceph/messenger.h @@ -8,6 +8,7 @@ #include <linux/radix-tree.h> #include <linux/uio.h> #include <linux/workqueue.h> +#include <net/net_namespace.h> #include <linux/ceph/types.h> #include <linux/ceph/buffer.h> @@ -56,6 +57,7 @@ struct ceph_messenger { struct ceph_entity_addr my_enc_addr; atomic_t stopping; + possible_net_t net; bool nocrc; bool tcp_nodelay; @@ -267,6 +269,7 @@ extern void ceph_messenger_init(struct ceph_messenger *msgr, u64 required_features, bool nocrc, bool tcp_nodelay); +extern void ceph_messenger_fini(struct ceph_messenger *msgr); extern void ceph_con_init(struct ceph_connection *con, void *private, const struct ceph_connection_operations *ops, diff --git a/include/linux/clkdev.h b/include/linux/clkdev.h index a240b18e86fa..08bffcc466de 100644 --- a/include/linux/clkdev.h +++ b/include/linux/clkdev.h @@ -33,18 +33,19 @@ struct clk_lookup { } struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, - const char *dev_fmt, ...); + const char *dev_fmt, ...) __printf(3, 4); void clkdev_add(struct clk_lookup *cl); void clkdev_drop(struct clk_lookup *cl); struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id, - const char *dev_fmt, ...); + const char *dev_fmt, ...) __printf(3, 4); void clkdev_add_table(struct clk_lookup *, size_t); int clk_add_alias(const char *, const char *, const char *, struct device *); -int clk_register_clkdev(struct clk *, const char *, const char *, ...); +int clk_register_clkdev(struct clk *, const char *, const char *, ...) + __printf(3, 4); int clk_register_clkdevs(struct clk *, struct clk_lookup *, size_t); #ifdef CONFIG_COMMON_CLK diff --git a/include/linux/compat.h b/include/linux/compat.h index ab25814690bc..a76c9172b2eb 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -424,7 +424,7 @@ asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); -extern int compat_printk(const char *fmt, ...); +extern __printf(1, 2) int compat_printk(const char *fmt, ...); extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat); extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set); diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 7f8ad9593da7..e08a6ae7c0a4 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -17,11 +17,11 @@ # define __release(x) __context__(x,-1) # define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0) # define __percpu __attribute__((noderef, address_space(3))) +# define __pmem __attribute__((noderef, address_space(5))) #ifdef CONFIG_SPARSE_RCU_POINTER # define __rcu __attribute__((noderef, address_space(4))) #else # define __rcu -# define __pmem __attribute__((noderef, address_space(5))) #endif extern void __chk_user_ptr(const volatile void __user *); extern void __chk_io_ptr(const volatile void __iomem *); diff --git a/include/linux/configfs.h b/include/linux/configfs.h index c9e5c57e4edf..63a36e89d0eb 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h @@ -64,7 +64,8 @@ struct config_item { struct dentry *ci_dentry; }; -extern int config_item_set_name(struct config_item *, const char *, ...); +extern __printf(2, 3) +int config_item_set_name(struct config_item *, const char *, ...); static inline char *config_item_name(struct config_item * item) { diff --git a/include/linux/cper.h b/include/linux/cper.h index 76abba4b238e..dcacb1a72e26 100644 --- a/include/linux/cper.h +++ b/include/linux/cper.h @@ -340,7 +340,27 @@ struct cper_ia_proc_ctx { __u64 mm_reg_addr; }; -/* Memory Error Section */ +/* Old Memory Error Section UEFI 2.1, 2.2 */ +struct cper_sec_mem_err_old { + __u64 validation_bits; + __u64 error_status; + __u64 physical_addr; + __u64 physical_addr_mask; + __u16 node; + __u16 card; + __u16 module; + __u16 bank; + __u16 device; + __u16 row; + __u16 column; + __u16 bit_pos; + __u64 requestor_id; + __u64 responder_id; + __u64 target_id; + __u8 error_type; +}; + +/* Memory Error Section UEFI >= 2.3 */ struct cper_sec_mem_err { __u64 validation_bits; __u64 error_status; diff --git a/include/linux/cpu.h b/include/linux/cpu.h index c0fb6b1b4712..23c30bdcca86 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -40,9 +40,10 @@ extern void cpu_remove_dev_attr(struct device_attribute *attr); extern int cpu_add_dev_attr_group(struct attribute_group *attrs); extern void cpu_remove_dev_attr_group(struct attribute_group *attrs); -extern struct device *cpu_device_create(struct device *parent, void *drvdata, - const struct attribute_group **groups, - const char *fmt, ...); +extern __printf(4, 5) +struct device *cpu_device_create(struct device *parent, void *drvdata, + const struct attribute_group **groups, + const char *fmt, ...); #ifdef CONFIG_HOTPLUG_CPU extern void unregister_cpu(struct cpu *cpu); extern ssize_t arch_cpu_probe(const char *, size_t); diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 29ad97c34fd5..bde1e567b3a9 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -62,6 +62,7 @@ struct cpufreq_policy { /* CPUs sharing clock, require sw coordination */ cpumask_var_t cpus; /* Online CPUs only */ cpumask_var_t related_cpus; /* Online + Offline CPUs */ + cpumask_var_t real_cpus; /* Related and present */ unsigned int shared_type; /* ACPI: ANY or ALL affected CPUs should set cpufreq */ diff --git a/include/linux/dcache.h b/include/linux/dcache.h index d2d50249b7b2..d67ae119cf4e 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -327,7 +327,8 @@ static inline unsigned d_count(const struct dentry *dentry) /* * helper function for dentry_operations.d_dname() members */ -extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...); +extern __printf(4, 5) +char *dynamic_dname(struct dentry *, char *, int, const char *, ...); extern char *simple_dname(struct dentry *, char *, int); extern char *__d_path(const struct path *, const struct path *, char *, int); diff --git a/include/linux/device.h b/include/linux/device.h index 5a31bf3a4024..a2b4ea70a946 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -637,8 +637,9 @@ extern int devres_release_group(struct device *dev, void *id); /* managed devm_k.alloc/kfree for device drivers */ extern void *devm_kmalloc(struct device *dev, size_t size, gfp_t gfp); -extern char *devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, - va_list ap); +extern __printf(3, 0) +char *devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, + va_list ap); extern __printf(3, 4) char *devm_kasprintf(struct device *dev, gfp_t gfp, const char *fmt, ...); static inline void *devm_kzalloc(struct device *dev, size_t size, gfp_t gfp) @@ -1011,12 +1012,10 @@ extern int __must_check device_reprobe(struct device *dev); /* * Easy functions for dynamically creating devices on the fly */ -extern struct device *device_create_vargs(struct class *cls, - struct device *parent, - dev_t devt, - void *drvdata, - const char *fmt, - va_list vargs); +extern __printf(5, 0) +struct device *device_create_vargs(struct class *cls, struct device *parent, + dev_t devt, void *drvdata, + const char *fmt, va_list vargs); extern __printf(5, 6) struct device *device_create(struct class *cls, struct device *parent, dev_t devt, void *drvdata, diff --git a/include/linux/fs.h b/include/linux/fs.h index a0653e560c26..84b783f277f7 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -55,7 +55,8 @@ struct vm_fault; extern void __init inode_init(void); extern void __init inode_init_early(void); -extern void __init files_init(unsigned long); +extern void __init files_init(void); +extern void __init files_maxfiles_init(void); extern struct files_stat_struct files_stat; extern unsigned long get_max_files(void); @@ -1046,12 +1047,12 @@ extern void locks_remove_file(struct file *); extern void locks_release_private(struct file_lock *); extern void posix_test_lock(struct file *, struct file_lock *); extern int posix_lock_file(struct file *, struct file_lock *, struct file_lock *); -extern int posix_lock_file_wait(struct file *, struct file_lock *); +extern int posix_lock_inode_wait(struct inode *, struct file_lock *); extern int posix_unblock_lock(struct file_lock *); extern int vfs_test_lock(struct file *, struct file_lock *); extern int vfs_lock_file(struct file *, unsigned int, struct file_lock *, struct file_lock *); extern int vfs_cancel_lock(struct file *filp, struct file_lock *fl); -extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl); +extern int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl); extern int __break_lease(struct inode *inode, unsigned int flags, unsigned int type); extern void lease_get_mtime(struct inode *, struct timespec *time); extern int generic_setlease(struct file *, long, struct file_lock **, void **priv); @@ -1137,7 +1138,8 @@ static inline int posix_lock_file(struct file *filp, struct file_lock *fl, return -ENOLCK; } -static inline int posix_lock_file_wait(struct file *filp, struct file_lock *fl) +static inline int posix_lock_inode_wait(struct inode *inode, + struct file_lock *fl) { return -ENOLCK; } @@ -1163,8 +1165,8 @@ static inline int vfs_cancel_lock(struct file *filp, struct file_lock *fl) return 0; } -static inline int flock_lock_file_wait(struct file *filp, - struct file_lock *request) +static inline int flock_lock_inode_wait(struct inode *inode, + struct file_lock *request) { return -ENOLCK; } @@ -1202,6 +1204,20 @@ static inline void show_fd_locks(struct seq_file *f, struct file *filp, struct files_struct *files) {} #endif /* !CONFIG_FILE_LOCKING */ +static inline struct inode *file_inode(const struct file *f) +{ + return f->f_inode; +} + +static inline int posix_lock_file_wait(struct file *filp, struct file_lock *fl) +{ + return posix_lock_inode_wait(file_inode(filp), fl); +} + +static inline int flock_lock_file_wait(struct file *filp, struct file_lock *fl) +{ + return flock_lock_inode_wait(file_inode(filp), fl); +} struct fasync_struct { spinlock_t fa_lock; @@ -2011,11 +2027,6 @@ extern void ihold(struct inode * inode); extern void iput(struct inode *); extern int generic_update_time(struct inode *, struct timespec *, int); -static inline struct inode *file_inode(const struct file *f) -{ - return f->f_inode; -} - /* /sys/fs */ extern struct kobject *fs_kobj; @@ -2235,7 +2246,7 @@ extern int ioctl_preallocate(struct file *filp, void __user *argp); /* fs/dcache.c */ extern void __init vfs_caches_init_early(void); -extern void __init vfs_caches_init(unsigned long); +extern void __init vfs_caches_init(void); extern struct kmem_cache *names_cachep; diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 1da602982cf9..6cd8c0ee4b6f 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -116,6 +116,7 @@ ftrace_func_t ftrace_ops_get_func(struct ftrace_ops *ops); * SAVE_REGS. If another ops with this flag set is already registered * for any of the functions that this ops will be registered for, then * this ops will fail to register or set_filter_ip. + * PID - Is affected by set_ftrace_pid (allows filtering on those pids) */ enum { FTRACE_OPS_FL_ENABLED = 1 << 0, @@ -132,6 +133,7 @@ enum { FTRACE_OPS_FL_MODIFYING = 1 << 11, FTRACE_OPS_FL_ALLOC_TRAMP = 1 << 12, FTRACE_OPS_FL_IPMODIFY = 1 << 13, + FTRACE_OPS_FL_PID = 1 << 14, }; #ifdef CONFIG_DYNAMIC_FTRACE @@ -159,6 +161,7 @@ struct ftrace_ops { struct ftrace_ops *next; unsigned long flags; void *private; + ftrace_func_t saved_func; int __percpu *disabled; #ifdef CONFIG_DYNAMIC_FTRACE int nr_trampolines; diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index cc7ec129b329..c8393cd4d44f 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -45,7 +45,7 @@ struct seq_file; * @base: identifies the first GPIO number handled by this chip; * or, if negative during registration, requests dynamic ID allocation. * DEPRECATION: providing anything non-negative and nailing the base - * base offset of GPIO chips is deprecated. Please pass -1 as base to + * offset of GPIO chips is deprecated. Please pass -1 as base to * let gpiolib select the chip base in all possible cases. We want to * get rid of the static GPIO number space in the long run. * @ngpio: the number of GPIOs handled by this controller; the last GPIO diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h index 0042bf330b99..c02b5ce6c5cd 100644 --- a/include/linux/hid-sensor-hub.h +++ b/include/linux/hid-sensor-hub.h @@ -230,6 +230,7 @@ struct hid_sensor_common { struct platform_device *pdev; unsigned usage_id; atomic_t data_ready; + atomic_t user_requested_state; struct iio_trigger *trigger; struct hid_sensor_hub_attribute_info poll; struct hid_sensor_hub_attribute_info report_state; diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 205026175c42..d891f949466a 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -460,15 +460,14 @@ static inline spinlock_t *huge_pte_lockptr(struct hstate *h, return &mm->page_table_lock; } -static inline bool hugepages_supported(void) -{ - /* - * Some platform decide whether they support huge pages at boot - * time. On these, such as powerpc, HPAGE_SHIFT is set to 0 when - * there is no such support - */ - return HPAGE_SHIFT != 0; -} +#ifndef hugepages_supported +/* + * Some platform decide whether they support huge pages at boot + * time. Some of them, such as powerpc, set HPAGE_SHIFT to 0 + * when there is no such support + */ +#define hugepages_supported() (HPAGE_SHIFT != 0) +#endif #else /* CONFIG_HUGETLB_PAGE */ struct hstate {}; diff --git a/include/linux/init.h b/include/linux/init.h index 7c68c36d3fd8..b449f378f995 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -282,68 +282,8 @@ void __init parse_early_param(void); void __init parse_early_options(char *cmdline); #endif /* __ASSEMBLY__ */ -/** - * module_init() - driver initialization entry point - * @x: function to be run at kernel boot time or module insertion - * - * module_init() will either be called during do_initcalls() (if - * builtin) or at module insertion time (if a module). There can only - * be one per module. - */ -#define module_init(x) __initcall(x); - -/** - * module_exit() - driver exit entry point - * @x: function to be run when driver is removed - * - * module_exit() will wrap the driver clean-up code - * with cleanup_module() when used with rmmod when - * the driver is a module. If the driver is statically - * compiled into the kernel, module_exit() has no effect. - * There can only be one per module. - */ -#define module_exit(x) __exitcall(x); - #else /* MODULE */ -/* - * In most cases loadable modules do not need custom - * initcall levels. There are still some valid cases where - * a driver may be needed early if built in, and does not - * matter when built as a loadable module. Like bus - * snooping debug drivers. - */ -#define early_initcall(fn) module_init(fn) -#define core_initcall(fn) module_init(fn) -#define core_initcall_sync(fn) module_init(fn) -#define postcore_initcall(fn) module_init(fn) -#define postcore_initcall_sync(fn) module_init(fn) -#define arch_initcall(fn) module_init(fn) -#define subsys_initcall(fn) module_init(fn) -#define subsys_initcall_sync(fn) module_init(fn) -#define fs_initcall(fn) module_init(fn) -#define fs_initcall_sync(fn) module_init(fn) -#define rootfs_initcall(fn) module_init(fn) -#define device_initcall(fn) module_init(fn) -#define device_initcall_sync(fn) module_init(fn) -#define late_initcall(fn) module_init(fn) -#define late_initcall_sync(fn) module_init(fn) - -#define console_initcall(fn) module_init(fn) -#define security_initcall(fn) module_init(fn) - -/* Each module must use one module_init(). */ -#define module_init(initfn) \ - static inline initcall_t __inittest(void) \ - { return initfn; } \ - int init_module(void) __attribute__((alias(#initfn))); - -/* This is only required if you want to be unloadable. */ -#define module_exit(exitfn) \ - static inline exitcall_t __exittest(void) \ - { return exitfn; } \ - void cleanup_module(void) __attribute__((alias(#exitfn))); - #define __setup_param(str, unique_id, fn) /* nothing */ #define __setup(str, func) /* nothing */ #endif @@ -351,24 +291,6 @@ void __init parse_early_options(char *cmdline); /* Data marked not to be saved by software suspend */ #define __nosavedata __section(.data..nosave) -/* This means "can be init if no module support, otherwise module load - may call it." */ -#ifdef CONFIG_MODULES -#define __init_or_module -#define __initdata_or_module -#define __initconst_or_module -#define __INIT_OR_MODULE .text -#define __INITDATA_OR_MODULE .data -#define __INITRODATA_OR_MODULE .section ".rodata","a",%progbits -#else -#define __init_or_module __init -#define __initdata_or_module __initdata -#define __initconst_or_module __initconst -#define __INIT_OR_MODULE __INIT -#define __INITDATA_OR_MODULE __INITDATA -#define __INITRODATA_OR_MODULE __INITRODATA -#endif /*CONFIG_MODULES*/ - #ifdef MODULE #define __exit_p(x) x #else diff --git a/include/linux/iommu.h b/include/linux/iommu.h index dc767f7c3704..f9c1b6d0f2e4 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -258,7 +258,7 @@ extern int iommu_domain_set_attr(struct iommu_domain *domain, enum iommu_attr, void *data); struct device *iommu_device_create(struct device *parent, void *drvdata, const struct attribute_group **groups, - const char *fmt, ...); + const char *fmt, ...) __printf(4, 5); void iommu_device_destroy(struct device *dev); int iommu_device_link(struct device *dev, struct device *link); void iommu_device_unlink(struct device *dev, struct device *link); diff --git a/include/linux/irq.h b/include/linux/irq.h index 92188b0225bb..51744bcf74ee 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -484,6 +484,7 @@ extern int irq_chip_set_affinity_parent(struct irq_data *data, extern int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on); extern int irq_chip_set_vcpu_affinity_parent(struct irq_data *data, void *vcpu_info); +extern int irq_chip_set_type_parent(struct irq_data *data, unsigned int type); #endif /* Handling of unhandled and spurious interrupts: */ diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index 624a668e61f1..fcea4e48e21f 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -87,7 +87,12 @@ struct irq_desc { const char *name; } ____cacheline_internodealigned_in_smp; -#ifndef CONFIG_SPARSE_IRQ +#ifdef CONFIG_SPARSE_IRQ +extern void irq_lock_sparse(void); +extern void irq_unlock_sparse(void); +#else +static inline void irq_lock_sparse(void) { } +static inline void irq_unlock_sparse(void) { } extern struct irq_desc irq_desc[NR_IRQS]; #endif diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 5f0be58640ea..5582410727cb 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -411,7 +411,8 @@ extern __printf(3, 0) int vscnprintf(char *buf, size_t size, const char *fmt, va_list args); extern __printf(2, 3) char *kasprintf(gfp_t gfp, const char *fmt, ...); -extern char *kvasprintf(gfp_t gfp, const char *fmt, va_list args); +extern __printf(2, 0) +char *kvasprintf(gfp_t gfp, const char *fmt, va_list args); extern __scanf(2, 3) int sscanf(const char *, const char *, ...); @@ -679,10 +680,10 @@ do { \ __ftrace_vprintk(_THIS_IP_, fmt, vargs); \ } while (0) -extern int +extern __printf(2, 0) int __ftrace_vbprintk(unsigned long ip, const char *fmt, va_list ap); -extern int +extern __printf(2, 0) int __ftrace_vprintk(unsigned long ip, const char *fmt, va_list ap); extern void ftrace_dump(enum ftrace_dump_mode oops_dump_mode); @@ -702,7 +703,7 @@ int trace_printk(const char *fmt, ...) { return 0; } -static inline int +static __printf(1, 0) inline int ftrace_vprintk(const char *fmt, va_list ap) { return 0; diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 2d61b909f414..637f67002c5a 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -80,8 +80,9 @@ struct kobject { extern __printf(2, 3) int kobject_set_name(struct kobject *kobj, const char *name, ...); -extern int kobject_set_name_vargs(struct kobject *kobj, const char *fmt, - va_list vargs); +extern __printf(2, 0) +int kobject_set_name_vargs(struct kobject *kobj, const char *fmt, + va_list vargs); static inline const char *kobject_name(const struct kobject *kobj) { diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 9564fd78c547..05e99b8ef465 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -734,6 +734,24 @@ static inline bool kvm_arch_has_noncoherent_dma(struct kvm *kvm) return false; } #endif +#ifdef __KVM_HAVE_ARCH_ASSIGNED_DEVICE +void kvm_arch_start_assignment(struct kvm *kvm); +void kvm_arch_end_assignment(struct kvm *kvm); +bool kvm_arch_has_assigned_device(struct kvm *kvm); +#else +static inline void kvm_arch_start_assignment(struct kvm *kvm) +{ +} + +static inline void kvm_arch_end_assignment(struct kvm *kvm) +{ +} + +static inline bool kvm_arch_has_assigned_device(struct kvm *kvm) +{ + return false; +} +#endif static inline wait_queue_head_t *kvm_arch_vcpu_wq(struct kvm_vcpu *vcpu) { diff --git a/include/linux/libata.h b/include/linux/libata.h index 36ce37bcc963..c9cfbcdb8d14 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -431,6 +431,8 @@ enum { ATA_HORKAGE_WD_BROKEN_LPM = (1 << 21), /* some WDs have broken LPM */ ATA_HORKAGE_ZERO_AFTER_TRIM = (1 << 22),/* guarantees zero after trim */ ATA_HORKAGE_NO_NCQ_LOG = (1 << 23), /* don't use NCQ for log read */ + ATA_HORKAGE_NOTRIM = (1 << 24), /* don't use TRIM */ + ATA_HORKAGE_MAX_SEC_1024 = (1 << 25), /* Limit max sects to 1024 */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ diff --git a/include/linux/mm.h b/include/linux/mm.h index 2e872f92dbac..bf6f117fcf4d 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1003,6 +1003,34 @@ static inline int page_mapped(struct page *page) } /* + * Return true only if the page has been allocated with + * ALLOC_NO_WATERMARKS and the low watermark was not + * met implying that the system is under some pressure. + */ +static inline bool page_is_pfmemalloc(struct page *page) +{ + /* + * Page index cannot be this large so this must be + * a pfmemalloc page. + */ + return page->index == -1UL; +} + +/* + * Only to be called by the page allocator on a freshly allocated + * page. + */ +static inline void set_page_pfmemalloc(struct page *page) +{ + page->index = -1UL; +} + +static inline void clear_page_pfmemalloc(struct page *page) +{ + page->index = 0; +} + +/* * Different kinds of faults, as returned by handle_mm_fault(). * Used to decide whether a process gets delivered SIGBUS or * just gets major/minor fault counters bumped up. diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 0038ac7466fd..15549578d559 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -63,15 +63,6 @@ struct page { union { pgoff_t index; /* Our offset within mapping. */ void *freelist; /* sl[aou]b first free object */ - bool pfmemalloc; /* If set by the page allocator, - * ALLOC_NO_WATERMARKS was set - * and the low watermark was not - * met implying that the system - * is under some pressure. The - * caller should try ensure - * this page is only used to - * free other pages. - */ }; union { diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h index c5d52780d6a0..3ba327af055c 100644 --- a/include/linux/mmiotrace.h +++ b/include/linux/mmiotrace.h @@ -106,6 +106,6 @@ extern void enable_mmiotrace(void); extern void disable_mmiotrace(void); extern void mmio_trace_rw(struct mmiotrace_rw *rw); extern void mmio_trace_mapping(struct mmiotrace_map *map); -extern int mmio_trace_printk(const char *fmt, va_list args); +extern __printf(1, 0) int mmio_trace_printk(const char *fmt, va_list args); #endif /* _LINUX_MMIOTRACE_H */ diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 8183d6640ca7..34f25b7bf642 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -189,6 +189,8 @@ struct css_device_id { struct acpi_device_id { __u8 id[ACPI_ID_LEN]; kernel_ulong_t driver_data; + __u32 cls; + __u32 cls_msk; }; #define PNP_ID_LEN 8 diff --git a/include/linux/module.h b/include/linux/module.h index d67b1932cc59..3a19c79918e0 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -11,6 +11,7 @@ #include <linux/compiler.h> #include <linux/cache.h> #include <linux/kmod.h> +#include <linux/init.h> #include <linux/elf.h> #include <linux/stringify.h> #include <linux/kobject.h> @@ -71,6 +72,89 @@ extern struct module_attribute module_uevent; extern int init_module(void); extern void cleanup_module(void); +#ifndef MODULE +/** + * module_init() - driver initialization entry point + * @x: function to be run at kernel boot time or module insertion + * + * module_init() will either be called during do_initcalls() (if + * builtin) or at module insertion time (if a module). There can only + * be one per module. + */ +#define module_init(x) __initcall(x); + +/** + * module_exit() - driver exit entry point + * @x: function to be run when driver is removed + * + * module_exit() will wrap the driver clean-up code + * with cleanup_module() when used with rmmod when + * the driver is a module. If the driver is statically + * compiled into the kernel, module_exit() has no effect. + * There can only be one per module. + */ +#define module_exit(x) __exitcall(x); + +#else /* MODULE */ + +/* + * In most cases loadable modules do not need custom + * initcall levels. There are still some valid cases where + * a driver may be needed early if built in, and does not + * matter when built as a loadable module. Like bus + * snooping debug drivers. + */ +#define early_initcall(fn) module_init(fn) +#define core_initcall(fn) module_init(fn) +#define core_initcall_sync(fn) module_init(fn) +#define postcore_initcall(fn) module_init(fn) +#define postcore_initcall_sync(fn) module_init(fn) +#define arch_initcall(fn) module_init(fn) +#define subsys_initcall(fn) module_init(fn) +#define subsys_initcall_sync(fn) module_init(fn) +#define fs_initcall(fn) module_init(fn) +#define fs_initcall_sync(fn) module_init(fn) +#define rootfs_initcall(fn) module_init(fn) +#define device_initcall(fn) module_init(fn) +#define device_initcall_sync(fn) module_init(fn) +#define late_initcall(fn) module_init(fn) +#define late_initcall_sync(fn) module_init(fn) + +#define console_initcall(fn) module_init(fn) +#define security_initcall(fn) module_init(fn) + +/* Each module must use one module_init(). */ +#define module_init(initfn) \ + static inline initcall_t __inittest(void) \ + { return initfn; } \ + int init_module(void) __attribute__((alias(#initfn))); + +/* This is only required if you want to be unloadable. */ +#define module_exit(exitfn) \ + static inline exitcall_t __exittest(void) \ + { return exitfn; } \ + void cleanup_module(void) __attribute__((alias(#exitfn))); + +#endif + +/* This means "can be init if no module support, otherwise module load + may call it." */ +#ifdef CONFIG_MODULES +#define __init_or_module +#define __initdata_or_module +#define __initconst_or_module +#define __INIT_OR_MODULE .text +#define __INITDATA_OR_MODULE .data +#define __INITRODATA_OR_MODULE .section ".rodata","a",%progbits +#else +#define __init_or_module __init +#define __initdata_or_module __initdata +#define __initconst_or_module __initconst +#define __INIT_OR_MODULE __INIT +#define __INITDATA_OR_MODULE __INITDATA +#define __INITRODATA_OR_MODULE __INITRODATA +#endif /*CONFIG_MODULES*/ + /* Archs provide a method of finding the correct exception table. */ struct exception_table_entry; diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index f25e2bdd188c..272f42952f34 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -178,17 +178,17 @@ typedef enum { /* Chip may not exist, so silence any errors in scan */ #define NAND_SCAN_SILENT_NODEV 0x00040000 /* - * This option could be defined by controller drivers to protect against - * kmap'ed, vmalloc'ed highmem buffers being passed from upper layers - */ -#define NAND_USE_BOUNCE_BUFFER 0x00080000 -/* * Autodetect nand buswidth with readid/onfi. * This suppose the driver will configure the hardware in 8 bits mode * when calling nand_scan_ident, and update its configuration * before calling nand_scan_tail. */ #define NAND_BUSWIDTH_AUTO 0x00080000 +/* + * This option could be defined by controller drivers to protect against + * kmap'ed, vmalloc'ed highmem buffers being passed from upper layers + */ +#define NAND_USE_BOUNCE_BUFFER 0x00100000 /* Options set by nand scan */ /* Nand scan has allocated controller struct */ diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index f91b5ade30c9..874b77228fb9 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -292,9 +292,12 @@ static inline void nfs_mark_for_revalidate(struct inode *inode) struct nfs_inode *nfsi = NFS_I(inode); spin_lock(&inode->i_lock); - nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS; + nfsi->cache_validity |= NFS_INO_INVALID_ATTR | + NFS_INO_REVAL_PAGECACHE | + NFS_INO_INVALID_ACCESS | + NFS_INO_INVALID_ACL; if (S_ISDIR(inode->i_mode)) - nfsi->cache_validity |= NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_DATA; + nfsi->cache_validity |= NFS_INO_INVALID_DATA; spin_unlock(&inode->i_lock); } diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index a2ea1491d3df..20bc8e51b161 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -220,7 +220,7 @@ struct nfs_server { #define NFS_CAP_SYMLINKS (1U << 2) #define NFS_CAP_ACLS (1U << 3) #define NFS_CAP_ATOMIC_OPEN (1U << 4) -#define NFS_CAP_CHANGE_ATTR (1U << 5) +/* #define NFS_CAP_CHANGE_ATTR (1U << 5) */ #define NFS_CAP_FILEID (1U << 6) #define NFS_CAP_MODE (1U << 7) #define NFS_CAP_NLINK (1U << 8) diff --git a/include/linux/of_device.h b/include/linux/of_device.h index 4c508549833a..cc7dd687a89d 100644 --- a/include/linux/of_device.h +++ b/include/linux/of_device.h @@ -59,7 +59,7 @@ void of_dma_configure(struct device *dev, struct device_node *np); #else /* CONFIG_OF */ static inline int of_driver_match_device(struct device *dev, - struct device_driver *drv) + const struct device_driver *drv) { return 0; } diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index f34e040b34e9..41c93844fb1d 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -631,15 +631,19 @@ static inline void ClearPageSlabPfmemalloc(struct page *page) 1 << PG_private | 1 << PG_private_2 | \ 1 << PG_writeback | 1 << PG_reserved | \ 1 << PG_slab | 1 << PG_swapcache | 1 << PG_active | \ - 1 << PG_unevictable | __PG_MLOCKED | __PG_HWPOISON | \ + 1 << PG_unevictable | __PG_MLOCKED | \ __PG_COMPOUND_LOCK) /* * Flags checked when a page is prepped for return by the page allocator. - * Pages being prepped should not have any flags set. It they are set, + * Pages being prepped should not have these flags set. It they are set, * there has been a kernel bug or struct page corruption. + * + * __PG_HWPOISON is exceptional because it needs to be kept beyond page's + * alloc-free cycle to prevent from reusing the page. */ -#define PAGE_FLAGS_CHECK_AT_PREP ((1 << NR_PAGEFLAGS) - 1) +#define PAGE_FLAGS_CHECK_AT_PREP \ + (((1 << NR_PAGEFLAGS) - 1) & ~__PG_HWPOISON) #define PAGE_FLAGS_PRIVATE \ (1 << PG_private | 1 << PG_private_2) diff --git a/include/linux/page_owner.h b/include/linux/page_owner.h index b48c3471c254..cacaabea8a09 100644 --- a/include/linux/page_owner.h +++ b/include/linux/page_owner.h @@ -8,6 +8,7 @@ extern struct page_ext_operations page_owner_ops; extern void __reset_page_owner(struct page *page, unsigned int order); extern void __set_page_owner(struct page *page, unsigned int order, gfp_t gfp_mask); +extern gfp_t __get_page_owner_gfp(struct page *page); static inline void reset_page_owner(struct page *page, unsigned int order) { @@ -25,6 +26,14 @@ static inline void set_page_owner(struct page *page, __set_page_owner(page, order, gfp_mask); } + +static inline gfp_t get_page_owner_gfp(struct page *page) +{ + if (likely(!page_owner_inited)) + return 0; + + return __get_page_owner_gfp(page); +} #else static inline void reset_page_owner(struct page *page, unsigned int order) { @@ -33,6 +42,10 @@ static inline void set_page_owner(struct page *page, unsigned int order, gfp_t gfp_mask) { } +static inline gfp_t get_page_owner_gfp(struct page *page) +{ + return 0; +} #endif /* CONFIG_PAGE_OWNER */ #endif /* __LINUX_PAGE_OWNER_H */ diff --git a/include/linux/pata_arasan_cf_data.h b/include/linux/pata_arasan_cf_data.h index 3cc21c9cc1e8..9fade5dd2e86 100644 --- a/include/linux/pata_arasan_cf_data.h +++ b/include/linux/pata_arasan_cf_data.h @@ -4,7 +4,7 @@ * Arasan Compact Flash host controller platform data header file * * Copyright (C) 2011 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/include/linux/platform_data/macb.h b/include/linux/platform_data/macb.h index 044a124bfbbc..21b15f6fee25 100644 --- a/include/linux/platform_data/macb.h +++ b/include/linux/platform_data/macb.h @@ -8,11 +8,19 @@ #ifndef __MACB_PDATA_H__ #define __MACB_PDATA_H__ +/** + * struct macb_platform_data - platform data for MACB Ethernet + * @phy_mask: phy mask passed when register the MDIO bus + * within the driver + * @phy_irq_pin: PHY IRQ + * @is_rmii: using RMII interface? + * @rev_eth_addr: reverse Ethernet address byte order + */ struct macb_platform_data { u32 phy_mask; - int phy_irq_pin; /* PHY IRQ */ - u8 is_rmii; /* using RMII interface? */ - u8 rev_eth_addr; /* reverse Ethernet address byte order */ + int phy_irq_pin; + u8 is_rmii; + u8 rev_eth_addr; }; #endif /* __MACB_PDATA_H__ */ diff --git a/include/linux/platform_data/mmc-esdhc-imx.h b/include/linux/platform_data/mmc-esdhc-imx.h index 75f70f6ac137..e1571efa3f2b 100644 --- a/include/linux/platform_data/mmc-esdhc-imx.h +++ b/include/linux/platform_data/mmc-esdhc-imx.h @@ -43,7 +43,6 @@ struct esdhc_platform_data { enum wp_types wp_type; enum cd_types cd_type; int max_bus_width; - unsigned int f_max; bool support_vsel; unsigned int delay_line; }; diff --git a/include/linux/printk.h b/include/linux/printk.h index 58b1fec40d37..a6298b27ac99 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -122,7 +122,7 @@ static inline __printf(1, 2) __cold void early_printk(const char *s, ...) { } #endif -typedef int(*printk_func_t)(const char *fmt, va_list args); +typedef __printf(1, 0) int (*printk_func_t)(const char *fmt, va_list args); #ifdef CONFIG_PRINTK asmlinkage __printf(5, 0) @@ -166,7 +166,7 @@ char *log_buf_addr_get(void); u32 log_buf_len_get(void); void log_buf_kexec_setup(void); void __init setup_log_buf(int early); -void dump_stack_set_arch_desc(const char *fmt, ...); +__printf(1, 2) void dump_stack_set_arch_desc(const char *fmt, ...); void dump_stack_print_info(const char *log_lvl); void show_regs_print_info(const char *log_lvl); #else @@ -217,7 +217,7 @@ static inline void setup_log_buf(int early) { } -static inline void dump_stack_set_arch_desc(const char *fmt, ...) +static inline __printf(1, 2) void dump_stack_set_arch_desc(const char *fmt, ...) { } diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 59c55ea0f0b5..6724d0e3819e 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -296,8 +296,12 @@ typedef void (*regmap_hw_free_context)(void *context); * if not implemented on a given device. * @async_write: Write operation which completes asynchronously, optional and * must serialise with respect to non-async I/O. + * @reg_write: Write a single register value to the given register address. This + * write operation has to complete when returning from the function. * @read: Read operation. Data is returned in the buffer used to transmit * data. + * @reg_read: Read a single register value from a given register address. + * @free_context: Free context. * @async_alloc: Allocate a regmap_async() structure. * @read_flag_mask: Mask to be set in the top byte of the register when doing * a read. @@ -307,7 +311,8 @@ typedef void (*regmap_hw_free_context)(void *context); * @val_format_endian_default: Default endianness for formatted register * values. Used when the regmap_config specifies DEFAULT. If this is * DEFAULT, BIG is assumed. - * @async_size: Size of struct used for async work. + * @max_raw_read: Max raw read size that can be used on the bus. + * @max_raw_write: Max raw write size that can be used on the bus. */ struct regmap_bus { bool fast_io; @@ -322,6 +327,8 @@ struct regmap_bus { u8 read_flag_mask; enum regmap_endian reg_format_endian_default; enum regmap_endian val_format_endian_default; + size_t max_raw_read; + size_t max_raw_write; }; struct regmap *regmap_init(struct device *dev, @@ -437,6 +444,8 @@ int regmap_get_max_register(struct regmap *map); int regmap_get_reg_stride(struct regmap *map); int regmap_async_complete(struct regmap *map); bool regmap_can_raw_write(struct regmap *map); +size_t regmap_get_raw_read_max(struct regmap *map); +size_t regmap_get_raw_write_max(struct regmap *map); int regcache_sync(struct regmap *map); int regcache_sync_region(struct regmap *map, unsigned int min, diff --git a/include/linux/rtc/sirfsoc_rtciobrg.h b/include/linux/rtc/sirfsoc_rtciobrg.h index 2c92e1c8e055..aefd997262e4 100644 --- a/include/linux/rtc/sirfsoc_rtciobrg.h +++ b/include/linux/rtc/sirfsoc_rtciobrg.h @@ -9,10 +9,14 @@ #ifndef _SIRFSOC_RTC_IOBRG_H_ #define _SIRFSOC_RTC_IOBRG_H_ +struct regmap_config; + extern void sirfsoc_rtc_iobrg_besyncing(void); extern u32 sirfsoc_rtc_iobrg_readl(u32 addr); extern void sirfsoc_rtc_iobrg_writel(u32 val, u32 addr); +struct regmap *devm_regmap_init_iobg(struct device *dev, + const struct regmap_config *config); #endif diff --git a/include/linux/sched.h b/include/linux/sched.h index ae21f1591615..04b5ada460b4 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1522,8 +1522,6 @@ struct task_struct { /* hung task detection */ unsigned long last_switch_count; #endif -/* CPU-specific state of this task */ - struct thread_struct thread; /* filesystem information */ struct fs_struct *fs; /* open file information */ @@ -1778,8 +1776,22 @@ struct task_struct { unsigned long task_state_change; #endif int pagefault_disabled; +/* CPU-specific state of this task */ + struct thread_struct thread; +/* + * WARNING: on x86, 'thread_struct' contains a variable-sized + * structure. It *MUST* be at the end of 'task_struct'. + * + * Do not put anything below here! + */ }; +#ifdef CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT +extern int arch_task_struct_size __read_mostly; +#else +# define arch_task_struct_size (sizeof(struct task_struct)) +#endif + /* Future-safe accessor for struct task_struct's cpus_allowed. */ #define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index d6cdd6e87d53..9b88536487e6 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1602,20 +1602,16 @@ static inline void __skb_fill_page_desc(struct sk_buff *skb, int i, skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; /* - * Propagate page->pfmemalloc to the skb if we can. The problem is - * that not all callers have unique ownership of the page. If - * pfmemalloc is set, we check the mapping as a mapping implies - * page->index is set (index and pfmemalloc share space). - * If it's a valid mapping, we cannot use page->pfmemalloc but we - * do not lose pfmemalloc information as the pages would not be - * allocated using __GFP_MEMALLOC. + * Propagate page pfmemalloc to the skb if we can. The problem is + * that not all callers have unique ownership of the page but rely + * on page_is_pfmemalloc doing the right thing(tm). */ frag->page.p = page; frag->page_offset = off; skb_frag_size_set(frag, size); page = compound_head(page); - if (page->pfmemalloc && !page->mapping) + if (page_is_pfmemalloc(page)) skb->pfmemalloc = true; } @@ -2263,7 +2259,7 @@ static inline struct page *dev_alloc_page(void) static inline void skb_propagate_pfmemalloc(struct page *page, struct sk_buff *skb) { - if (page && page->pfmemalloc) + if (page_is_pfmemalloc(page)) skb->pfmemalloc = true; } @@ -2884,11 +2880,11 @@ static inline bool skb_defer_rx_timestamp(struct sk_buff *skb) * * PHY drivers may accept clones of transmitted packets for * timestamping via their phy_driver.txtstamp method. These drivers - * must call this function to return the skb back to the stack, with - * or without a timestamp. + * must call this function to return the skb back to the stack with a + * timestamp. * * @skb: clone of the the original outgoing packet - * @hwtstamps: hardware time stamps, may be NULL if not available + * @hwtstamps: hardware time stamps * */ void skb_complete_tx_timestamp(struct sk_buff *skb, diff --git a/include/linux/tick.h b/include/linux/tick.h index 3741ba1a652c..edbfc9a5293e 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -67,10 +67,13 @@ extern void tick_broadcast_control(enum tick_broadcast_mode mode); static inline void tick_broadcast_control(enum tick_broadcast_mode mode) { } #endif /* BROADCAST */ -#if defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) && defined(CONFIG_TICK_ONESHOT) +#ifdef CONFIG_GENERIC_CLOCKEVENTS extern int tick_broadcast_oneshot_control(enum tick_broadcast_state state); #else -static inline int tick_broadcast_oneshot_control(enum tick_broadcast_state state) { return 0; } +static inline int tick_broadcast_oneshot_control(enum tick_broadcast_state state) +{ + return 0; +} #endif static inline void tick_broadcast_enable(void) diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h index 3aa72e648650..6e191e4e6ab6 100644 --- a/include/linux/timekeeping.h +++ b/include/linux/timekeeping.h @@ -145,7 +145,6 @@ static inline void getboottime(struct timespec *ts) } #endif -#define do_posix_clock_monotonic_gettime(ts) ktime_get_ts(ts) #define ktime_get_real_ts64(ts) getnstimeofday64(ts) /* diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index 7c9b484735c5..1f6526c76ee8 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -80,6 +80,9 @@ #define CDC_NCM_TIMER_INTERVAL_MIN 5UL #define CDC_NCM_TIMER_INTERVAL_MAX (U32_MAX / NSEC_PER_USEC) +/* Driver flags */ +#define CDC_NCM_FLAG_NDP_TO_END 0x02 /* NDP is placed at end of frame */ + #define cdc_ncm_comm_intf_is_mbim(x) ((x)->desc.bInterfaceSubClass == USB_CDC_SUBCLASS_MBIM && \ (x)->desc.bInterfaceProtocol == USB_CDC_PROTO_NONE) #define cdc_ncm_data_intf_is_mbim(x) ((x)->desc.bInterfaceProtocol == USB_CDC_MBIM_PROTO_NTB) @@ -103,9 +106,11 @@ struct cdc_ncm_ctx { spinlock_t mtx; atomic_t stop; + int drvflags; u32 timer_interval; u32 max_ndp_size; + struct usb_cdc_ncm_ndp16 *delayed_ndp16; u32 tx_timer_pending; u32 tx_curr_frame_num; @@ -133,7 +138,7 @@ struct cdc_ncm_ctx { }; u8 cdc_ncm_select_altsetting(struct usb_interface *intf); -int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting); +int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags); void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf); struct sk_buff *cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign); int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in); diff --git a/include/media/rc-core.h b/include/media/rc-core.h index 45534da57759..644bdc61c387 100644 --- a/include/media/rc-core.h +++ b/include/media/rc-core.h @@ -74,8 +74,6 @@ enum rc_filter_type { * @input_dev: the input child device used to communicate events to userspace * @driver_type: specifies if protocol decoding is done in hardware or software * @idle: used to keep track of RX state - * @encode_wakeup: wakeup filtering uses IR encode API, therefore the allowed - * wakeup protocols is the set of all raw encoders * @allowed_protocols: bitmask with the supported RC_BIT_* protocols * @enabled_protocols: bitmask with the enabled RC_BIT_* protocols * @allowed_wakeup_protocols: bitmask with the supported RC_BIT_* wakeup protocols @@ -136,7 +134,6 @@ struct rc_dev { struct input_dev *input_dev; enum rc_driver_type driver_type; bool idle; - bool encode_wakeup; u64 allowed_protocols; u64 enabled_protocols; u64 allowed_wakeup_protocols; @@ -246,7 +243,6 @@ static inline void init_ir_raw_event(struct ir_raw_event *ev) #define US_TO_NS(usec) ((usec) * 1000) #define MS_TO_US(msec) ((msec) * 1000) #define MS_TO_NS(msec) ((msec) * 1000 * 1000) -#define NS_TO_US(nsec) DIV_ROUND_UP(nsec, 1000L) void ir_raw_event_handle(struct rc_dev *dev); int ir_raw_event_store(struct rc_dev *dev, struct ir_raw_event *ev); @@ -254,9 +250,6 @@ int ir_raw_event_store_edge(struct rc_dev *dev, enum raw_event_type type); int ir_raw_event_store_with_filter(struct rc_dev *dev, struct ir_raw_event *ev); void ir_raw_event_set_idle(struct rc_dev *dev, bool idle); -int ir_raw_encode_scancode(u64 protocols, - const struct rc_scancode_filter *scancode, - struct ir_raw_event *events, unsigned int max); static inline void ir_raw_event_reset(struct rc_dev *dev) { diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index 22a44c2f5963..c192e1b46cdc 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -139,6 +139,7 @@ enum vb2_io_modes { * @VB2_BUF_STATE_PREPARING: buffer is being prepared in videobuf * @VB2_BUF_STATE_PREPARED: buffer prepared in videobuf and by the driver * @VB2_BUF_STATE_QUEUED: buffer queued in videobuf, but not in driver + * @VB2_BUF_STATE_REQUEUEING: re-queue a buffer to the driver * @VB2_BUF_STATE_ACTIVE: buffer queued in driver and possibly used * in a hardware operation * @VB2_BUF_STATE_DONE: buffer returned from driver to videobuf, but @@ -152,6 +153,7 @@ enum vb2_buffer_state { VB2_BUF_STATE_PREPARING, VB2_BUF_STATE_PREPARED, VB2_BUF_STATE_QUEUED, + VB2_BUF_STATE_REQUEUEING, VB2_BUF_STATE_ACTIVE, VB2_BUF_STATE_DONE, VB2_BUF_STATE_ERROR, diff --git a/include/net/act_api.h b/include/net/act_api.h index 3ee4c92afd1b..931738bc5bba 100644 --- a/include/net/act_api.h +++ b/include/net/act_api.h @@ -99,7 +99,6 @@ struct tc_action_ops { int tcf_hash_search(struct tc_action *a, u32 index); void tcf_hash_destroy(struct tc_action *a); -int tcf_hash_release(struct tc_action *a, int bind); u32 tcf_hash_new_index(struct tcf_hashinfo *hinfo); int tcf_hash_check(u32 index, struct tc_action *a, int bind); int tcf_hash_create(u32 index, struct nlattr *est, struct tc_action *a, @@ -107,6 +106,13 @@ int tcf_hash_create(u32 index, struct nlattr *est, struct tc_action *a, void tcf_hash_cleanup(struct tc_action *a, struct nlattr *est); void tcf_hash_insert(struct tc_action *a); +int __tcf_hash_release(struct tc_action *a, bool bind, bool strict); + +static inline int tcf_hash_release(struct tc_action *a, bool bind) +{ + return __tcf_hash_release(a, bind, false); +} + int tcf_register_action(struct tc_action_ops *a, unsigned int mask); int tcf_unregister_action(struct tc_action_ops *a); int tcf_action_destroy(struct list_head *actions, int bind); diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index a741678f24a2..883fe1e7c5a1 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -4868,6 +4868,23 @@ bool cfg80211_reg_can_beacon(struct wiphy *wiphy, struct cfg80211_chan_def *chandef, enum nl80211_iftype iftype); +/** + * cfg80211_reg_can_beacon_relax - check if beaconing is allowed with relaxation + * @wiphy: the wiphy + * @chandef: the channel definition + * @iftype: interface type + * + * Return: %true if there is no secondary channel or the secondary channel(s) + * can be used for beaconing (i.e. is not a radar channel etc.). This version + * also checks if IR-relaxation conditions apply, to allow beaconing under + * more permissive conditions. + * + * Requires the RTNL to be held. + */ +bool cfg80211_reg_can_beacon_relax(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype); + /* * cfg80211_ch_switch_notify - update wdev channel and notify userspace * @dev: the device which switched channels diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h index e1300b3dd597..53eead2da743 100644 --- a/include/net/inet_frag.h +++ b/include/net/inet_frag.h @@ -21,13 +21,11 @@ struct netns_frags { * @INET_FRAG_FIRST_IN: first fragment has arrived * @INET_FRAG_LAST_IN: final fragment has arrived * @INET_FRAG_COMPLETE: frag queue has been processed and is due for destruction - * @INET_FRAG_EVICTED: frag queue is being evicted */ enum { INET_FRAG_FIRST_IN = BIT(0), INET_FRAG_LAST_IN = BIT(1), INET_FRAG_COMPLETE = BIT(2), - INET_FRAG_EVICTED = BIT(3) }; /** @@ -45,6 +43,7 @@ enum { * @flags: fragment queue flags * @max_size: maximum received fragment size * @net: namespace that this frag belongs to + * @list_evictor: list of queues to forcefully evict (e.g. due to low memory) */ struct inet_frag_queue { spinlock_t lock; @@ -59,6 +58,7 @@ struct inet_frag_queue { __u8 flags; u16 max_size; struct netns_frags *net; + struct hlist_node list_evictor; }; #define INETFRAGS_HASHSZ 1024 @@ -125,6 +125,11 @@ static inline void inet_frag_put(struct inet_frag_queue *q, struct inet_frags *f inet_frag_destroy(q, f); } +static inline bool inet_frag_evicting(struct inet_frag_queue *q) +{ + return !hlist_unhashed(&q->list_evictor); +} + /* Memory Tracking Functions. */ /* The default percpu_counter batch size is not big enough to scale to @@ -139,14 +144,14 @@ static inline int frag_mem_limit(struct netns_frags *nf) return percpu_counter_read(&nf->mem); } -static inline void sub_frag_mem_limit(struct inet_frag_queue *q, int i) +static inline void sub_frag_mem_limit(struct netns_frags *nf, int i) { - __percpu_counter_add(&q->net->mem, -i, frag_percpu_counter_batch); + __percpu_counter_add(&nf->mem, -i, frag_percpu_counter_batch); } -static inline void add_frag_mem_limit(struct inet_frag_queue *q, int i) +static inline void add_frag_mem_limit(struct netns_frags *nf, int i) { - __percpu_counter_add(&q->net->mem, i, frag_percpu_counter_batch); + __percpu_counter_add(&nf->mem, i, frag_percpu_counter_batch); } static inline void init_frag_mem_limit(struct netns_frags *nf) diff --git a/include/net/ip.h b/include/net/ip.h index 0750a186ea63..d5fe9f2ab699 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -161,6 +161,7 @@ static inline __u8 get_rtconn_flags(struct ipcm_cookie* ipc, struct sock* sk) } /* datagram.c */ +int __ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len); int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len); void ip4_datagram_release_cb(struct sock *sk); diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 49c142bdf01e..5fa643b4e891 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -183,7 +183,6 @@ __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh); struct fib_table { struct hlist_node tb_hlist; u32 tb_id; - int tb_default; int tb_num_default; struct rcu_head rcu; unsigned long *tb_data; @@ -290,7 +289,7 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb); int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, u8 tos, int oif, struct net_device *dev, struct in_device *idev, u32 *itag); -void fib_select_default(struct fib_result *res); +void fib_select_default(const struct flowi4 *flp, struct fib_result *res); #ifdef CONFIG_IP_ROUTE_CLASSID static inline int fib_num_tclassid_users(struct net *net) { diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index 095433b8a8b0..37cd3911d5c5 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -291,7 +291,7 @@ extern unsigned int nf_conntrack_max; extern unsigned int nf_conntrack_hash_rnd; void init_nf_conntrack_hash_rnd(void); -void nf_conntrack_tmpl_insert(struct net *net, struct nf_conn *tmpl); +struct nf_conn *nf_ct_tmpl_alloc(struct net *net, u16 zone, gfp_t flags); #define NF_CT_STAT_INC(net, count) __this_cpu_inc((net)->ct.stat->count) #define NF_CT_STAT_INC_ATOMIC(net, count) this_cpu_inc((net)->ct.stat->count) diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h index 29d6a94db54d..723b61c82b3f 100644 --- a/include/net/netns/conntrack.h +++ b/include/net/netns/conntrack.h @@ -68,7 +68,6 @@ struct ct_pcpu { spinlock_t lock; struct hlist_nulls_head unconfirmed; struct hlist_nulls_head dying; - struct hlist_nulls_head tmpl; }; struct netns_ct { diff --git a/include/net/sock.h b/include/net/sock.h index 05a8c1aea251..f21f0708ec59 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -902,7 +902,7 @@ void sk_stream_kill_queues(struct sock *sk); void sk_set_memalloc(struct sock *sk); void sk_clear_memalloc(struct sock *sk); -int sk_wait_data(struct sock *sk, long *timeo); +int sk_wait_data(struct sock *sk, long *timeo, const struct sk_buff *skb); struct request_sock_ops; struct timewait_sock_ops; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 986fddb08579..b0f898e3b2e7 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1745,6 +1745,7 @@ struct ib_device { char node_desc[64]; __be64 node_guid; u32 local_dma_lkey; + u16 is_switch:1; u8 node_type; u8 phys_port_cnt; @@ -1824,6 +1825,20 @@ enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, u8 port_num); /** + * rdma_cap_ib_switch - Check if the device is IB switch + * @device: Device to check + * + * Device driver is responsible for setting is_switch bit on + * in ib_device structure at init time. + * + * Return: true if the device is IB switch. + */ +static inline bool rdma_cap_ib_switch(const struct ib_device *device) +{ + return device->is_switch; +} + +/** * rdma_start_port - Return the first valid port number for the device * specified * @@ -1833,7 +1848,7 @@ enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, */ static inline u8 rdma_start_port(const struct ib_device *device) { - return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1; + return rdma_cap_ib_switch(device) ? 0 : 1; } /** @@ -1846,8 +1861,7 @@ static inline u8 rdma_start_port(const struct ib_device *device) */ static inline u8 rdma_end_port(const struct ib_device *device) { - return (device->node_type == RDMA_NODE_IB_SWITCH) ? - 0 : device->phys_port_cnt; + return rdma_cap_ib_switch(device) ? 0 : device->phys_port_cnt; } static inline bool rdma_protocol_ib(const struct ib_device *device, u8 port_num) diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h index 4942710ef720..8d1d7fa67ec4 100644 --- a/include/scsi/scsi_eh.h +++ b/include/scsi/scsi_eh.h @@ -28,7 +28,6 @@ extern int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len, u64 * info_out); extern void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq); -extern void scsi_set_sense_information(u8 *buf, u64 info); extern int scsi_ioctl_reset(struct scsi_device *, int __user *); diff --git a/include/scsi/scsi_transport_srp.h b/include/scsi/scsi_transport_srp.h index cdb05dd1d440..d40d3ef25707 100644 --- a/include/scsi/scsi_transport_srp.h +++ b/include/scsi/scsi_transport_srp.h @@ -119,6 +119,7 @@ extern struct srp_rport *srp_rport_add(struct Scsi_Host *, extern void srp_rport_del(struct srp_rport *); extern int srp_tmo_valid(int reconnect_delay, int fast_io_fail_tmo, int dev_loss_tmo); +int srp_parse_tmo(int *tmo, const char *buf); extern int srp_reconnect_rport(struct srp_rport *rport); extern void srp_start_tl_fail_timers(struct srp_rport *rport); extern void srp_remove_host(struct Scsi_Host *); diff --git a/include/sound/soc-topology.h b/include/sound/soc-topology.h index 865a141b118b..427bc41df3ae 100644 --- a/include/sound/soc-topology.h +++ b/include/sound/soc-topology.h @@ -141,6 +141,8 @@ struct snd_soc_tplg_ops { int io_ops_count; }; +#ifdef CONFIG_SND_SOC_TOPOLOGY + /* gets a pointer to data from the firmware block header */ static inline const void *snd_soc_tplg_get_data(struct snd_soc_tplg_hdr *hdr) { @@ -165,4 +167,14 @@ int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w, const struct snd_soc_tplg_widget_events *events, int num_events, u16 event_type); +#else + +static inline int snd_soc_tplg_component_remove(struct snd_soc_component *comp, + u32 index) +{ + return 0; +} + +#endif + #endif diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h index 34117b8b72e4..0aedbb2c10e0 100644 --- a/include/target/iscsi/iscsi_target_core.h +++ b/include/target/iscsi/iscsi_target_core.h @@ -595,6 +595,7 @@ struct iscsi_conn { int bitmap_id; int rx_thread_active; struct task_struct *rx_thread; + struct completion rx_login_comp; int tx_thread_active; struct task_struct *tx_thread; /* list_head for session connection list */ diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index b6fce900a833..fbdd11851725 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -32,7 +32,7 @@ #ifndef __AMDGPU_DRM_H__ #define __AMDGPU_DRM_H__ -#include <drm/drm.h> +#include "drm.h" #define DRM_AMDGPU_GEM_CREATE 0x00 #define DRM_AMDGPU_GEM_MMAP 0x01 @@ -614,6 +614,8 @@ struct drm_amdgpu_info_device { uint32_t vram_type; /** video memory bit width*/ uint32_t vram_bit_width; + /* vce harvesting instance */ + uint32_t vce_harvest_config; }; struct drm_amdgpu_info_hw_ip { diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 6e1a2ed116cb..db809b722985 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -1070,6 +1070,14 @@ struct drm_i915_reg_read { __u64 offset; __u64 val; /* Return value */ }; +/* Known registers: + * + * Render engine timestamp - 0x2358 + 64bit - gen7+ + * - Note this register returns an invalid value if using the default + * single instruction 8byte read, in order to workaround that use + * offset (0x2538 | 1) instead. + * + */ struct drm_i915_reset_stats { __u32 ctx_id; diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h index 1ef76661e1a1..01aa2a8e3f8d 100644 --- a/include/uapi/drm/radeon_drm.h +++ b/include/uapi/drm/radeon_drm.h @@ -33,7 +33,7 @@ #ifndef __RADEON_DRM_H__ #define __RADEON_DRM_H__ -#include <drm/drm.h> +#include "drm.h" /* WARNING: If you change any of these defines, make sure to change the * defines in the X server file (radeon_sarea.h) diff --git a/include/uapi/linux/netconf.h b/include/uapi/linux/netconf.h index 669a1f0b1d97..23cbd34e4ac7 100644 --- a/include/uapi/linux/netconf.h +++ b/include/uapi/linux/netconf.h @@ -15,6 +15,7 @@ enum { NETCONFA_RP_FILTER, NETCONFA_MC_FORWARDING, NETCONFA_PROXY_NEIGH, + NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN, __NETCONFA_MAX }; #define NETCONFA_MAX (__NETCONFA_MAX - 1) diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index efe3443572ba..413417f3707b 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -319,6 +319,7 @@ #define PCI_MSIX_PBA 8 /* Pending Bit Array offset */ #define PCI_MSIX_PBA_BIR 0x00000007 /* BAR index */ #define PCI_MSIX_PBA_OFFSET 0xfffffff8 /* Offset into specified BAR */ +#define PCI_MSIX_FLAGS_BIRMASK PCI_MSIX_PBA_BIR /* deprecated */ #define PCI_CAP_MSIX_SIZEOF 12 /* size of MSIX registers */ /* MSI-X Table entry format */ diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h index 7bbee79ca293..ec32293a00db 100644 --- a/include/uapi/linux/virtio_net.h +++ b/include/uapi/linux/virtio_net.h @@ -34,6 +34,7 @@ /* The feature bitmap for virtio net */ #define VIRTIO_NET_F_CSUM 0 /* Host handles pkts w/ partial csum */ #define VIRTIO_NET_F_GUEST_CSUM 1 /* Guest handles pkts w/ partial csum */ +#define VIRTIO_NET_F_CTRL_GUEST_OFFLOADS 2 /* Dynamic offload configuration. */ #define VIRTIO_NET_F_MAC 5 /* Host has given MAC address. */ #define VIRTIO_NET_F_GUEST_TSO4 7 /* Guest can handle TSOv4 in. */ #define VIRTIO_NET_F_GUEST_TSO6 8 /* Guest can handle TSOv6 in. */ @@ -226,4 +227,19 @@ struct virtio_net_ctrl_mq { #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000 +/* + * Control network offloads + * + * Reconfigures the network offloads that Guest can handle. + * + * Available with the VIRTIO_NET_F_CTRL_GUEST_OFFLOADS feature bit. + * + * Command data format matches the feature bit mask exactly. + * + * See VIRTIO_NET_F_GUEST_* for the list of offloads + * that can be enabled/disabled. + */ +#define VIRTIO_NET_CTRL_GUEST_OFFLOADS 5 +#define VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET 0 + #endif /* _LINUX_VIRTIO_NET_H */ diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h index 75301468359f..90007a1abcab 100644 --- a/include/uapi/linux/virtio_pci.h +++ b/include/uapi/linux/virtio_pci.h @@ -157,6 +157,12 @@ struct virtio_pci_common_cfg { __le32 queue_used_hi; /* read-write */ }; +/* Fields in VIRTIO_PCI_CAP_PCI_CFG: */ +struct virtio_pci_cfg_cap { + struct virtio_pci_cap cap; + __u8 pci_cfg_data[4]; /* Data for BAR access. */ +}; + /* Macro versions of offsets for the Old Timers! */ #define VIRTIO_PCI_CAP_VNDR 0 #define VIRTIO_PCI_CAP_NEXT 1 diff --git a/include/uapi/linux/virtio_ring.h b/include/uapi/linux/virtio_ring.h index 915980ac68df..c07295969b7e 100644 --- a/include/uapi/linux/virtio_ring.h +++ b/include/uapi/linux/virtio_ring.h @@ -31,6 +31,9 @@ * SUCH DAMAGE. * * Copyright Rusty Russell IBM Corporation 2007. */ +#ifndef __KERNEL__ +#include <stdint.h> +#endif #include <linux/types.h> #include <linux/virtio_types.h> @@ -143,7 +146,7 @@ static inline void vring_init(struct vring *vr, unsigned int num, void *p, vr->num = num; vr->desc = p; vr->avail = p + num*sizeof(struct vring_desc); - vr->used = (void *)(((unsigned long)&vr->avail->ring[num] + sizeof(__virtio16) + vr->used = (void *)(((uintptr_t)&vr->avail->ring[num] + sizeof(__virtio16) + align-1) & ~(align - 1)); } diff --git a/include/uapi/sound/asoc.h b/include/uapi/sound/asoc.h index 12215205ab8d..247c50bd60f0 100644 --- a/include/uapi/sound/asoc.h +++ b/include/uapi/sound/asoc.h @@ -18,6 +18,12 @@ #include <linux/types.h> #include <sound/asound.h> +#ifndef __KERNEL__ +#error This API is an early revision and not enabled in the current +#error kernel release, it will be enabled in a future kernel version +#error with incompatible changes to what is here. +#endif + /* * Maximum number of channels topology kcontrol can represent. */ @@ -77,7 +83,7 @@ #define SND_SOC_TPLG_NUM_TEXTS 16 /* ABI version */ -#define SND_SOC_TPLG_ABI_VERSION 0x2 +#define SND_SOC_TPLG_ABI_VERSION 0x3 /* Max size of TLV data */ #define SND_SOC_TPLG_TLV_SIZE 32 @@ -97,7 +103,8 @@ #define SND_SOC_TPLG_TYPE_PCM 7 #define SND_SOC_TPLG_TYPE_MANIFEST 8 #define SND_SOC_TPLG_TYPE_CODEC_LINK 9 -#define SND_SOC_TPLG_TYPE_MAX SND_SOC_TPLG_TYPE_CODEC_LINK +#define SND_SOC_TPLG_TYPE_PDATA 10 +#define SND_SOC_TPLG_TYPE_MAX SND_SOC_TPLG_TYPE_PDATA /* vendor block IDs - please add new vendor types to end */ #define SND_SOC_TPLG_TYPE_VENDOR_FW 1000 @@ -110,7 +117,7 @@ /* * Block Header. - * This header preceeds all object and object arrays below. + * This header precedes all object and object arrays below. */ struct snd_soc_tplg_hdr { __le32 magic; /* magic number */ @@ -137,11 +144,19 @@ struct snd_soc_tplg_private { /* * Kcontrol TLV data. */ +struct snd_soc_tplg_tlv_dbscale { + __le32 min; + __le32 step; + __le32 mute; +} __attribute__((packed)); + struct snd_soc_tplg_ctl_tlv { - __le32 size; /* in bytes aligned to 4 */ - __le32 numid; /* control element numeric identification */ - __le32 count; /* number of elem in data array */ - __le32 data[SND_SOC_TPLG_TLV_SIZE]; + __le32 size; /* in bytes of this structure */ + __le32 type; /* SNDRV_CTL_TLVT_*, type of TLV */ + union { + __le32 data[SND_SOC_TPLG_TLV_SIZE]; + struct snd_soc_tplg_tlv_dbscale scale; + }; } __attribute__((packed)); /* @@ -155,9 +170,11 @@ struct snd_soc_tplg_channel { } __attribute__((packed)); /* - * Kcontrol Operations IDs + * Genericl Operations IDs, for binding Kcontrol or Bytes ext ops + * Kcontrol ops need get/put/info. + * Bytes ext ops need get/put. */ -struct snd_soc_tplg_kcontrol_ops_id { +struct snd_soc_tplg_io_ops { __le32 get; __le32 put; __le32 info; @@ -171,8 +188,8 @@ struct snd_soc_tplg_ctl_hdr { __le32 type; char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; __le32 access; - struct snd_soc_tplg_kcontrol_ops_id ops; - __le32 tlv_size; /* non zero means control has TLV data */ + struct snd_soc_tplg_io_ops ops; + struct snd_soc_tplg_ctl_tlv tlv; } __attribute__((packed)); /* @@ -222,7 +239,7 @@ struct snd_soc_tplg_stream_config { /* * Manifest. List totals for each payload type. Not used in parsing, but will * be passed to the component driver before any other objects in order for any - * global componnent resource allocations. + * global component resource allocations. * * File block representation for manifest :- * +-----------------------------------+----+ @@ -238,6 +255,7 @@ struct snd_soc_tplg_manifest { __le32 graph_elems; /* number of graph elements */ __le32 dai_elems; /* number of DAI elements */ __le32 dai_link_elems; /* number of DAI link elements */ + struct snd_soc_tplg_private priv; } __attribute__((packed)); /* @@ -259,7 +277,6 @@ struct snd_soc_tplg_mixer_control { __le32 invert; __le32 num_channels; struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN]; - struct snd_soc_tplg_ctl_tlv tlv; struct snd_soc_tplg_private priv; } __attribute__((packed)); @@ -303,6 +320,7 @@ struct snd_soc_tplg_bytes_control { __le32 mask; __le32 base; __le32 num_regs; + struct snd_soc_tplg_io_ops ext_ops; struct snd_soc_tplg_private priv; } __attribute__((packed)); @@ -347,6 +365,7 @@ struct snd_soc_tplg_dapm_widget { __le32 reg; /* negative reg = no direct dapm */ __le32 shift; /* bits to shift */ __le32 mask; /* non-shifted mask */ + __le32 subseq; /* sort within widget type */ __u32 invert; /* invert the power bit */ __u32 ignore_suspend; /* kept enabled over suspend */ __u16 event_flags; diff --git a/init/main.c b/init/main.c index c5d5626289ce..56506553d4d8 100644 --- a/init/main.c +++ b/init/main.c @@ -656,7 +656,7 @@ asmlinkage __visible void __init start_kernel(void) key_init(); security_init(); dbg_late_init(); - vfs_caches_init(totalram_pages); + vfs_caches_init(); signals_init(); /* rootfs populating might need page-writeback */ page_writeback_init(); diff --git a/ipc/mqueue.c b/ipc/mqueue.c index a24ba9fe5bb8..161a1807e6ef 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -142,7 +142,6 @@ static int msg_insert(struct msg_msg *msg, struct mqueue_inode_info *info) if (!leaf) return -ENOMEM; INIT_LIST_HEAD(&leaf->msg_list); - info->qsize += sizeof(*leaf); } leaf->priority = msg->m_type; rb_link_node(&leaf->rb_node, parent, p); @@ -187,7 +186,6 @@ try_again: "lazy leaf delete!\n"); rb_erase(&leaf->rb_node, &info->msg_tree); if (info->node_cache) { - info->qsize -= sizeof(*leaf); kfree(leaf); } else { info->node_cache = leaf; @@ -200,7 +198,6 @@ try_again: if (list_empty(&leaf->msg_list)) { rb_erase(&leaf->rb_node, &info->msg_tree); if (info->node_cache) { - info->qsize -= sizeof(*leaf); kfree(leaf); } else { info->node_cache = leaf; @@ -1034,7 +1031,6 @@ SYSCALL_DEFINE5(mq_timedsend, mqd_t, mqdes, const char __user *, u_msg_ptr, /* Save our speculative allocation into the cache */ INIT_LIST_HEAD(&new_leaf->msg_list); info->node_cache = new_leaf; - info->qsize += sizeof(*new_leaf); new_leaf = NULL; } else { kfree(new_leaf); @@ -1142,7 +1138,6 @@ SYSCALL_DEFINE5(mq_timedreceive, mqd_t, mqdes, char __user *, u_msg_ptr, /* Save our speculative allocation into the cache */ INIT_LIST_HEAD(&new_leaf->msg_list); info->node_cache = new_leaf; - info->qsize += sizeof(*new_leaf); } else { kfree(new_leaf); } diff --git a/ipc/sem.c b/ipc/sem.c index bc3d530cb23e..b471e5a3863d 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -253,6 +253,16 @@ static void sem_rcu_free(struct rcu_head *head) } /* + * spin_unlock_wait() and !spin_is_locked() are not memory barriers, they + * are only control barriers. + * The code must pair with spin_unlock(&sem->lock) or + * spin_unlock(&sem_perm.lock), thus just the control barrier is insufficient. + * + * smp_rmb() is sufficient, as writes cannot pass the control barrier. + */ +#define ipc_smp_acquire__after_spin_is_unlocked() smp_rmb() + +/* * Wait until all currently ongoing simple ops have completed. * Caller must own sem_perm.lock. * New simple ops cannot start, because simple ops first check @@ -275,6 +285,7 @@ static void sem_wait_array(struct sem_array *sma) sem = sma->sem_base + i; spin_unlock_wait(&sem->lock); } + ipc_smp_acquire__after_spin_is_unlocked(); } /* @@ -327,13 +338,12 @@ static inline int sem_lock(struct sem_array *sma, struct sembuf *sops, /* Then check that the global lock is free */ if (!spin_is_locked(&sma->sem_perm.lock)) { /* - * The ipc object lock check must be visible on all - * cores before rechecking the complex count. Otherwise - * we can race with another thread that does: + * We need a memory barrier with acquire semantics, + * otherwise we can race with another thread that does: * complex_count++; * spin_unlock(sem_perm.lock); */ - smp_rmb(); + ipc_smp_acquire__after_spin_is_unlocked(); /* * Now repeat the test of complex_count: @@ -2074,17 +2084,28 @@ void exit_sem(struct task_struct *tsk) rcu_read_lock(); un = list_entry_rcu(ulp->list_proc.next, struct sem_undo, list_proc); - if (&un->list_proc == &ulp->list_proc) - semid = -1; - else - semid = un->semid; + if (&un->list_proc == &ulp->list_proc) { + /* + * We must wait for freeary() before freeing this ulp, + * in case we raced with last sem_undo. There is a small + * possibility where we exit while freeary() didn't + * finish unlocking sem_undo_list. + */ + spin_unlock_wait(&ulp->lock); + rcu_read_unlock(); + break; + } + spin_lock(&ulp->lock); + semid = un->semid; + spin_unlock(&ulp->lock); + /* exit_sem raced with IPC_RMID, nothing to do */ if (semid == -1) { rcu_read_unlock(); - break; + continue; } - sma = sem_obtain_object_check(tsk->nsproxy->ipc_ns, un->semid); + sma = sem_obtain_object_check(tsk->nsproxy->ipc_ns, semid); /* exit_sem raced with IPC_RMID, nothing to do */ if (IS_ERR(sma)) { rcu_read_unlock(); @@ -2112,9 +2133,11 @@ void exit_sem(struct task_struct *tsk) ipc_assert_locked_object(&sma->sem_perm); list_del(&un->list_id); - spin_lock(&ulp->lock); + /* we are the last process using this ulp, acquiring ulp->lock + * isn't required. Besides that, we are also protected against + * IPC_RMID as we hold sma->sem_perm lock now + */ list_del_rcu(&un->list_proc); - spin_unlock(&ulp->lock); /* perform adjustments registered in un */ for (i = 0; i < sma->sem_nsems; i++) { diff --git a/ipc/shm.c b/ipc/shm.c index 06e5cf2fe019..4aef24d91b63 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -545,7 +545,7 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params) if ((shmflg & SHM_NORESERVE) && sysctl_overcommit_memory != OVERCOMMIT_NEVER) acctflag = VM_NORESERVE; - file = shmem_file_setup(name, size, acctflag); + file = shmem_kernel_file_setup(name, size, acctflag); } error = PTR_ERR(file); if (IS_ERR(file)) diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 09c65640cad6..e85bdfd15fed 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -1021,8 +1021,7 @@ static int audit_log_single_execve_arg(struct audit_context *context, * for strings that are too long, we should not have created * any. */ - if (unlikely((len == 0) || len > MAX_ARG_STRLEN - 1)) { - WARN_ON(1); + if (WARN_ON_ONCE(len < 0 || len > MAX_ARG_STRLEN - 1)) { send_sig(SIGKILL, current, 0); return -1; } diff --git a/kernel/cpu.c b/kernel/cpu.c index 9c9c9fab16cc..5644ec5582b9 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -21,6 +21,7 @@ #include <linux/suspend.h> #include <linux/lockdep.h> #include <linux/tick.h> +#include <linux/irq.h> #include <trace/events/power.h> #include "smpboot.h" @@ -392,13 +393,19 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen) smpboot_park_threads(cpu); /* - * So now all preempt/rcu users must observe !cpu_active(). + * Prevent irq alloc/free while the dying cpu reorganizes the + * interrupt affinities. */ + irq_lock_sparse(); + /* + * So now all preempt/rcu users must observe !cpu_active(). + */ err = __stop_machine(take_cpu_down, &tcd_param, cpumask_of(cpu)); if (err) { /* CPU didn't die: tell everyone. Can't complain. */ cpu_notify_nofail(CPU_DOWN_FAILED | mod, hcpu); + irq_unlock_sparse(); goto out_release; } BUG_ON(cpu_online(cpu)); @@ -415,6 +422,9 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen) smp_mb(); /* Read from cpu_dead_idle before __cpu_die(). */ per_cpu(cpu_dead_idle, cpu) = false; + /* Interrupts are moved away from the dying cpu, reenable alloc/free */ + irq_unlock_sparse(); + hotplug_cpu__broadcast_tick_pull(cpu); /* This actually kills the CPU. */ __cpu_die(cpu); @@ -519,6 +529,7 @@ static int _cpu_up(unsigned int cpu, int tasks_frozen) /* Arch-specific enabling code. */ ret = __cpu_up(cpu, idle); + if (ret != 0) goto out_notify; BUG_ON(!cpu_online(cpu)); diff --git a/kernel/cpuset.c b/kernel/cpuset.c index ee14e3a35a29..f0acff0f66c9 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -1223,7 +1223,7 @@ static int update_nodemask(struct cpuset *cs, struct cpuset *trialcs, spin_unlock_irq(&callback_lock); /* use trialcs->mems_allowed as a temp variable */ - update_nodemasks_hier(cs, &cs->mems_allowed); + update_nodemasks_hier(cs, &trialcs->mems_allowed); done: return retval; } diff --git a/kernel/events/core.c b/kernel/events/core.c index e965cfae4207..e6feb5114134 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -1868,8 +1868,6 @@ event_sched_in(struct perf_event *event, perf_pmu_disable(event->pmu); - event->tstamp_running += tstamp - event->tstamp_stopped; - perf_set_shadow_time(event, ctx, tstamp); perf_log_itrace_start(event); @@ -1881,6 +1879,8 @@ event_sched_in(struct perf_event *event, goto out; } + event->tstamp_running += tstamp - event->tstamp_stopped; + if (!is_software_event(event)) cpuctx->active_oncpu++; if (!ctx->nr_active++) @@ -3958,28 +3958,21 @@ static void perf_event_for_each(struct perf_event *event, perf_event_for_each_child(sibling, func); } -static int perf_event_period(struct perf_event *event, u64 __user *arg) -{ - struct perf_event_context *ctx = event->ctx; - int ret = 0, active; +struct period_event { + struct perf_event *event; u64 value; +}; - if (!is_sampling_event(event)) - return -EINVAL; - - if (copy_from_user(&value, arg, sizeof(value))) - return -EFAULT; - - if (!value) - return -EINVAL; +static int __perf_event_period(void *info) +{ + struct period_event *pe = info; + struct perf_event *event = pe->event; + struct perf_event_context *ctx = event->ctx; + u64 value = pe->value; + bool active; - raw_spin_lock_irq(&ctx->lock); + raw_spin_lock(&ctx->lock); if (event->attr.freq) { - if (value > sysctl_perf_event_sample_rate) { - ret = -EINVAL; - goto unlock; - } - event->attr.sample_freq = value; } else { event->attr.sample_period = value; @@ -3998,11 +3991,53 @@ static int perf_event_period(struct perf_event *event, u64 __user *arg) event->pmu->start(event, PERF_EF_RELOAD); perf_pmu_enable(ctx->pmu); } + raw_spin_unlock(&ctx->lock); -unlock: + return 0; +} + +static int perf_event_period(struct perf_event *event, u64 __user *arg) +{ + struct period_event pe = { .event = event, }; + struct perf_event_context *ctx = event->ctx; + struct task_struct *task; + u64 value; + + if (!is_sampling_event(event)) + return -EINVAL; + + if (copy_from_user(&value, arg, sizeof(value))) + return -EFAULT; + + if (!value) + return -EINVAL; + + if (event->attr.freq && value > sysctl_perf_event_sample_rate) + return -EINVAL; + + task = ctx->task; + pe.value = value; + + if (!task) { + cpu_function_call(event->cpu, __perf_event_period, &pe); + return 0; + } + +retry: + if (!task_function_call(task, __perf_event_period, &pe)) + return 0; + + raw_spin_lock_irq(&ctx->lock); + if (ctx->is_active) { + raw_spin_unlock_irq(&ctx->lock); + task = ctx->task; + goto retry; + } + + __perf_event_period(&pe); raw_spin_unlock_irq(&ctx->lock); - return ret; + return 0; } static const struct file_operations perf_fops; @@ -4358,14 +4393,6 @@ static void ring_buffer_wakeup(struct perf_event *event) rcu_read_unlock(); } -static void rb_free_rcu(struct rcu_head *rcu_head) -{ - struct ring_buffer *rb; - - rb = container_of(rcu_head, struct ring_buffer, rcu_head); - rb_free(rb); -} - struct ring_buffer *ring_buffer_get(struct perf_event *event) { struct ring_buffer *rb; @@ -4748,12 +4775,20 @@ static const struct file_operations perf_fops = { * to user-space before waking everybody up. */ +static inline struct fasync_struct **perf_event_fasync(struct perf_event *event) +{ + /* only the parent has fasync state */ + if (event->parent) + event = event->parent; + return &event->fasync; +} + void perf_event_wakeup(struct perf_event *event) { ring_buffer_wakeup(event); if (event->pending_kill) { - kill_fasync(&event->fasync, SIGIO, event->pending_kill); + kill_fasync(perf_event_fasync(event), SIGIO, event->pending_kill); event->pending_kill = 0; } } @@ -6132,7 +6167,7 @@ static int __perf_event_overflow(struct perf_event *event, else perf_event_output(event, data, regs); - if (event->fasync && event->pending_kill) { + if (*perf_event_fasync(event) && event->pending_kill) { event->pending_wakeup = 1; irq_work_queue(&event->pending); } diff --git a/kernel/events/internal.h b/kernel/events/internal.h index 2deb24c7a40d..2bbad9c1274c 100644 --- a/kernel/events/internal.h +++ b/kernel/events/internal.h @@ -11,6 +11,7 @@ struct ring_buffer { atomic_t refcount; struct rcu_head rcu_head; + struct irq_work irq_work; #ifdef CONFIG_PERF_USE_VMALLOC struct work_struct work; int page_order; /* allocation order */ @@ -55,6 +56,15 @@ struct ring_buffer { }; extern void rb_free(struct ring_buffer *rb); + +static inline void rb_free_rcu(struct rcu_head *rcu_head) +{ + struct ring_buffer *rb; + + rb = container_of(rcu_head, struct ring_buffer, rcu_head); + rb_free(rb); +} + extern struct ring_buffer * rb_alloc(int nr_pages, long watermark, int cpu, int flags); extern void perf_event_wakeup(struct perf_event *event); diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c index 96472824a752..c8aa3f75bc4d 100644 --- a/kernel/events/ring_buffer.c +++ b/kernel/events/ring_buffer.c @@ -221,6 +221,8 @@ void perf_output_end(struct perf_output_handle *handle) rcu_read_unlock(); } +static void rb_irq_work(struct irq_work *work); + static void ring_buffer_init(struct ring_buffer *rb, long watermark, int flags) { @@ -241,6 +243,16 @@ ring_buffer_init(struct ring_buffer *rb, long watermark, int flags) INIT_LIST_HEAD(&rb->event_list); spin_lock_init(&rb->event_lock); + init_irq_work(&rb->irq_work, rb_irq_work); +} + +static void ring_buffer_put_async(struct ring_buffer *rb) +{ + if (!atomic_dec_and_test(&rb->refcount)) + return; + + rb->rcu_head.next = (void *)rb; + irq_work_queue(&rb->irq_work); } /* @@ -319,7 +331,7 @@ err_put: rb_free_aux(rb); err: - ring_buffer_put(rb); + ring_buffer_put_async(rb); handle->event = NULL; return NULL; @@ -370,7 +382,7 @@ void perf_aux_output_end(struct perf_output_handle *handle, unsigned long size, local_set(&rb->aux_nest, 0); rb_free_aux(rb); - ring_buffer_put(rb); + ring_buffer_put_async(rb); } /* @@ -547,17 +559,30 @@ static void __rb_free_aux(struct ring_buffer *rb) rb->aux_priv = NULL; } - for (pg = 0; pg < rb->aux_nr_pages; pg++) - rb_free_aux_page(rb, pg); + if (rb->aux_nr_pages) { + for (pg = 0; pg < rb->aux_nr_pages; pg++) + rb_free_aux_page(rb, pg); - kfree(rb->aux_pages); - rb->aux_nr_pages = 0; + kfree(rb->aux_pages); + rb->aux_nr_pages = 0; + } } void rb_free_aux(struct ring_buffer *rb) { if (atomic_dec_and_test(&rb->aux_refcount)) + irq_work_queue(&rb->irq_work); +} + +static void rb_irq_work(struct irq_work *work) +{ + struct ring_buffer *rb = container_of(work, struct ring_buffer, irq_work); + + if (!atomic_read(&rb->aux_refcount)) __rb_free_aux(rb); + + if (rb->rcu_head.next == (void *)rb) + call_rcu(&rb->rcu_head, rb_free_rcu); } #ifndef CONFIG_PERF_USE_VMALLOC diff --git a/kernel/fork.c b/kernel/fork.c index 1bfefc6f96a4..dbd9b8d7b7cc 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -287,6 +287,11 @@ static void set_max_threads(unsigned int max_threads_suggested) max_threads = clamp_t(u64, threads, MIN_THREADS, MAX_THREADS); } +#ifdef CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT +/* Initialized by the architecture: */ +int arch_task_struct_size __read_mostly; +#endif + void __init fork_init(void) { #ifndef CONFIG_ARCH_TASK_STRUCT_ALLOCATOR @@ -295,7 +300,7 @@ void __init fork_init(void) #endif /* create a slab on which task_structs can be allocated */ task_struct_cachep = - kmem_cache_create("task_struct", sizeof(struct task_struct), + kmem_cache_create("task_struct", arch_task_struct_size, ARCH_MIN_TASKALIGN, SLAB_PANIC | SLAB_NOTRACK, NULL); #endif diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 27f4332c7f84..ae216824e8ca 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -985,6 +985,23 @@ int irq_chip_set_affinity_parent(struct irq_data *data, } /** + * irq_chip_set_type_parent - Set IRQ type on the parent interrupt + * @data: Pointer to interrupt specific data + * @type: IRQ_TYPE_{LEVEL,EDGE}_* value - see include/linux/irq.h + * + * Conditional, as the underlying parent chip might not implement it. + */ +int irq_chip_set_type_parent(struct irq_data *data, unsigned int type) +{ + data = data->parent_data; + + if (data->chip->irq_set_type) + return data->chip->irq_set_type(data, type); + + return -ENOSYS; +} + +/** * irq_chip_retrigger_hierarchy - Retrigger an interrupt in hardware * @data: Pointer to interrupt specific data * @@ -997,7 +1014,7 @@ int irq_chip_retrigger_hierarchy(struct irq_data *data) if (data->chip && data->chip->irq_retrigger) return data->chip->irq_retrigger(data); - return -ENOSYS; + return 0; } /** diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index 4834ee828c41..61008b8433ab 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -76,12 +76,8 @@ extern void unmask_threaded_irq(struct irq_desc *desc); #ifdef CONFIG_SPARSE_IRQ static inline void irq_mark_irq(unsigned int irq) { } -extern void irq_lock_sparse(void); -extern void irq_unlock_sparse(void); #else extern void irq_mark_irq(unsigned int irq); -static inline void irq_lock_sparse(void) { } -static inline void irq_unlock_sparse(void) { } #endif extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr); diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c index 9065107f083e..7a5237a1bce5 100644 --- a/kernel/irq/resend.c +++ b/kernel/irq/resend.c @@ -75,13 +75,21 @@ void check_irq_resend(struct irq_desc *desc, unsigned int irq) !desc->irq_data.chip->irq_retrigger(&desc->irq_data)) { #ifdef CONFIG_HARDIRQS_SW_RESEND /* - * If the interrupt has a parent irq and runs - * in the thread context of the parent irq, - * retrigger the parent. + * If the interrupt is running in the thread + * context of the parent irq we need to be + * careful, because we cannot trigger it + * directly. */ - if (desc->parent_irq && - irq_settings_is_nested_thread(desc)) + if (irq_settings_is_nested_thread(desc)) { + /* + * If the parent_irq is valid, we + * retrigger the parent, otherwise we + * do nothing. + */ + if (!desc->parent_irq) + return; irq = desc->parent_irq; + } /* Set it pending and activate the softirq: */ set_bit(irq, irqs_resend); tasklet_schedule(&resend_tasklet); diff --git a/kernel/kthread.c b/kernel/kthread.c index 10e489c448fe..fdea0bee7b5a 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -97,6 +97,7 @@ bool kthread_should_park(void) { return test_bit(KTHREAD_SHOULD_PARK, &to_kthread(current)->flags); } +EXPORT_SYMBOL_GPL(kthread_should_park); /** * kthread_freezable_should_stop - should this freezable kthread return now? @@ -171,6 +172,7 @@ void kthread_parkme(void) { __kthread_parkme(to_kthread(current)); } +EXPORT_SYMBOL_GPL(kthread_parkme); static int kthread(void *_create) { @@ -411,6 +413,7 @@ void kthread_unpark(struct task_struct *k) if (kthread) __kthread_unpark(k, kthread); } +EXPORT_SYMBOL_GPL(kthread_unpark); /** * kthread_park - park a thread created by kthread_create(). @@ -441,6 +444,7 @@ int kthread_park(struct task_struct *k) } return ret; } +EXPORT_SYMBOL_GPL(kthread_park); /** * kthread_stop - stop a thread created by kthread_create(). diff --git a/kernel/locking/qspinlock_paravirt.h b/kernel/locking/qspinlock_paravirt.h index 04ab18151cc8..df19ae4debd0 100644 --- a/kernel/locking/qspinlock_paravirt.h +++ b/kernel/locking/qspinlock_paravirt.h @@ -4,6 +4,7 @@ #include <linux/hash.h> #include <linux/bootmem.h> +#include <linux/debug_locks.h> /* * Implement paravirt qspinlocks; the general idea is to halt the vcpus instead @@ -286,15 +287,23 @@ __visible void __pv_queued_spin_unlock(struct qspinlock *lock) { struct __qspinlock *l = (void *)lock; struct pv_node *node; + u8 lockval = cmpxchg(&l->locked, _Q_LOCKED_VAL, 0); /* * We must not unlock if SLOW, because in that case we must first * unhash. Otherwise it would be possible to have multiple @lock * entries, which would be BAD. */ - if (likely(cmpxchg(&l->locked, _Q_LOCKED_VAL, 0) == _Q_LOCKED_VAL)) + if (likely(lockval == _Q_LOCKED_VAL)) return; + if (unlikely(lockval != _Q_SLOW_VAL)) { + if (debug_locks_silent) + return; + WARN(1, "pvqspinlock: lock %p has corrupted value 0x%x!\n", lock, atomic_read(&lock->val)); + return; + } + /* * Since the above failed to release, this must be the SLOW path. * Therefore start by looking up the blocked node and unhashing it. diff --git a/kernel/module.c b/kernel/module.c index 3e0e19763d24..b86b7bf1be38 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -602,13 +602,16 @@ const struct kernel_symbol *find_symbol(const char *name, } EXPORT_SYMBOL_GPL(find_symbol); -/* Search for module by name: must hold module_mutex. */ +/* + * Search for module by name: must hold module_mutex (or preempt disabled + * for read-only access). + */ static struct module *find_module_all(const char *name, size_t len, bool even_unformed) { struct module *mod; - module_assert_mutex(); + module_assert_mutex_or_preempt(); list_for_each_entry(mod, &modules, list) { if (!even_unformed && mod->state == MODULE_STATE_UNFORMED) @@ -621,6 +624,7 @@ static struct module *find_module_all(const char *name, size_t len, struct module *find_module(const char *name) { + module_assert_mutex(); return find_module_all(name, strlen(name), false); } EXPORT_SYMBOL_GPL(find_module); @@ -3557,6 +3561,7 @@ static int load_module(struct load_info *info, const char __user *uargs, mutex_lock(&module_mutex); /* Unlink carefully: kallsyms could be walking list. */ list_del_rcu(&mod->list); + mod_tree_remove(mod); wake_up_all(&module_wq); /* Wait for RCU-sched synchronizing before releasing mod->list. */ synchronize_sched(); diff --git a/kernel/resource.c b/kernel/resource.c index 90552aab5f2d..fed052a1bc9f 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -504,13 +504,13 @@ int region_is_ram(resource_size_t start, unsigned long size) { struct resource *p; resource_size_t end = start + size - 1; - int flags = IORESOURCE_MEM | IORESOURCE_BUSY; + unsigned long flags = IORESOURCE_MEM | IORESOURCE_BUSY; const char *name = "System RAM"; int ret = -1; read_lock(&resource_lock); for (p = iomem_resource.child; p ; p = p->sibling) { - if (end < p->start) + if (p->end < start) continue; if (p->start <= start && end <= p->end) { @@ -521,7 +521,7 @@ int region_is_ram(resource_size_t start, unsigned long size) ret = 1; break; } - if (p->end < start) + if (end < p->start) break; /* not found */ } read_unlock(&resource_lock); diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 65c8f3ebdc3c..d113c3ba8bc4 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3683,7 +3683,7 @@ static void throttle_cfs_rq(struct cfs_rq *cfs_rq) cfs_rq->throttled = 1; cfs_rq->throttled_clock = rq_clock(rq); raw_spin_lock(&cfs_b->lock); - empty = list_empty(&cfs_rq->throttled_list); + empty = list_empty(&cfs_b->throttled_cfs_rq); /* * Add to the _head_ of the list, so that an already-started diff --git a/kernel/signal.c b/kernel/signal.c index 836df8dac6cc..0f6bbbe77b46 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2748,12 +2748,15 @@ int copy_siginfo_to_user(siginfo_t __user *to, const siginfo_t *from) * Other callers might not initialize the si_lsb field, * so check explicitly for the right codes here. */ - if (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO) + if (from->si_signo == SIGBUS && + (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO)) err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb); #endif #ifdef SEGV_BNDERR - err |= __put_user(from->si_lower, &to->si_lower); - err |= __put_user(from->si_upper, &to->si_upper); + if (from->si_signo == SIGSEGV && from->si_code == SEGV_BNDERR) { + err |= __put_user(from->si_lower, &to->si_lower); + err |= __put_user(from->si_upper, &to->si_upper); + } #endif break; case __SI_CHLD: @@ -3017,7 +3020,7 @@ COMPAT_SYSCALL_DEFINE3(rt_sigqueueinfo, int, sig, struct compat_siginfo __user *, uinfo) { - siginfo_t info; + siginfo_t info = {}; int ret = copy_siginfo_from_user32(&info, uinfo); if (unlikely(ret)) return ret; @@ -3061,7 +3064,7 @@ COMPAT_SYSCALL_DEFINE4(rt_tgsigqueueinfo, int, sig, struct compat_siginfo __user *, uinfo) { - siginfo_t info; + siginfo_t info = {}; if (copy_siginfo_from_user32(&info, uinfo)) return -EFAULT; diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c index 08ccc3da3ca0..50eb107f1198 100644 --- a/kernel/time/clockevents.c +++ b/kernel/time/clockevents.c @@ -120,19 +120,25 @@ static int __clockevents_switch_state(struct clock_event_device *dev, /* The clockevent device is getting replaced. Shut it down. */ case CLOCK_EVT_STATE_SHUTDOWN: - return dev->set_state_shutdown(dev); + if (dev->set_state_shutdown) + return dev->set_state_shutdown(dev); + return 0; case CLOCK_EVT_STATE_PERIODIC: /* Core internal bug */ if (!(dev->features & CLOCK_EVT_FEAT_PERIODIC)) return -ENOSYS; - return dev->set_state_periodic(dev); + if (dev->set_state_periodic) + return dev->set_state_periodic(dev); + return 0; case CLOCK_EVT_STATE_ONESHOT: /* Core internal bug */ if (!(dev->features & CLOCK_EVT_FEAT_ONESHOT)) return -ENOSYS; - return dev->set_state_oneshot(dev); + if (dev->set_state_oneshot) + return dev->set_state_oneshot(dev); + return 0; case CLOCK_EVT_STATE_ONESHOT_STOPPED: /* Core internal bug */ @@ -471,18 +477,6 @@ static int clockevents_sanity_check(struct clock_event_device *dev) if (dev->features & CLOCK_EVT_FEAT_DUMMY) return 0; - /* New state-specific callbacks */ - if (!dev->set_state_shutdown) - return -EINVAL; - - if ((dev->features & CLOCK_EVT_FEAT_PERIODIC) && - !dev->set_state_periodic) - return -EINVAL; - - if ((dev->features & CLOCK_EVT_FEAT_ONESHOT) && - !dev->set_state_oneshot) - return -EINVAL; - return 0; } diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index d39f32cdd1b5..f6aae7977824 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -159,7 +159,7 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu) { struct clock_event_device *bc = tick_broadcast_device.evtdev; unsigned long flags; - int ret; + int ret = 0; raw_spin_lock_irqsave(&tick_broadcast_lock, flags); @@ -221,13 +221,14 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu) * If we kept the cpu in the broadcast mask, * tell the caller to leave the per cpu device * in shutdown state. The periodic interrupt - * is delivered by the broadcast device. + * is delivered by the broadcast device, if + * the broadcast device exists and is not + * hrtimer based. */ - ret = cpumask_test_cpu(cpu, tick_broadcast_mask); + if (bc && !(bc->features & CLOCK_EVT_FEAT_HRTIMER)) + ret = cpumask_test_cpu(cpu, tick_broadcast_mask); break; default: - /* Nothing to do */ - ret = 0; break; } } @@ -265,8 +266,22 @@ static bool tick_do_broadcast(struct cpumask *mask) * Check, if the current cpu is in the mask */ if (cpumask_test_cpu(cpu, mask)) { + struct clock_event_device *bc = tick_broadcast_device.evtdev; + cpumask_clear_cpu(cpu, mask); - local = true; + /* + * We only run the local handler, if the broadcast + * device is not hrtimer based. Otherwise we run into + * a hrtimer recursion. + * + * local timer_interrupt() + * local_handler() + * expire_hrtimers() + * bc_handler() + * local_handler() + * expire_hrtimers() + */ + local = !(bc->features & CLOCK_EVT_FEAT_HRTIMER); } if (!cpumask_empty(mask)) { @@ -301,6 +316,13 @@ static void tick_handle_periodic_broadcast(struct clock_event_device *dev) bool bc_local; raw_spin_lock(&tick_broadcast_lock); + + /* Handle spurious interrupts gracefully */ + if (clockevent_state_shutdown(tick_broadcast_device.evtdev)) { + raw_spin_unlock(&tick_broadcast_lock); + return; + } + bc_local = tick_do_periodic_broadcast(); if (clockevent_state_oneshot(dev)) { @@ -359,8 +381,16 @@ void tick_broadcast_control(enum tick_broadcast_mode mode) case TICK_BROADCAST_ON: cpumask_set_cpu(cpu, tick_broadcast_on); if (!cpumask_test_and_set_cpu(cpu, tick_broadcast_mask)) { - if (tick_broadcast_device.mode == - TICKDEV_MODE_PERIODIC) + /* + * Only shutdown the cpu local device, if: + * + * - the broadcast device exists + * - the broadcast device is not a hrtimer based one + * - the broadcast device is in periodic mode to + * avoid a hickup during switch to oneshot mode + */ + if (bc && !(bc->features & CLOCK_EVT_FEAT_HRTIMER) && + tick_broadcast_device.mode == TICKDEV_MODE_PERIODIC) clockevents_shutdown(dev); } break; @@ -379,14 +409,16 @@ void tick_broadcast_control(enum tick_broadcast_mode mode) break; } - if (cpumask_empty(tick_broadcast_mask)) { - if (!bc_stopped) - clockevents_shutdown(bc); - } else if (bc_stopped) { - if (tick_broadcast_device.mode == TICKDEV_MODE_PERIODIC) - tick_broadcast_start_periodic(bc); - else - tick_broadcast_setup_oneshot(bc); + if (bc) { + if (cpumask_empty(tick_broadcast_mask)) { + if (!bc_stopped) + clockevents_shutdown(bc); + } else if (bc_stopped) { + if (tick_broadcast_device.mode == TICKDEV_MODE_PERIODIC) + tick_broadcast_start_periodic(bc); + else + tick_broadcast_setup_oneshot(bc); + } } raw_spin_unlock(&tick_broadcast_lock); } @@ -662,71 +694,82 @@ static void broadcast_shutdown_local(struct clock_event_device *bc, clockevents_switch_state(dev, CLOCK_EVT_STATE_SHUTDOWN); } -/** - * tick_broadcast_oneshot_control - Enter/exit broadcast oneshot mode - * @state: The target state (enter/exit) - * - * The system enters/leaves a state, where affected devices might stop - * Returns 0 on success, -EBUSY if the cpu is used to broadcast wakeups. - * - * Called with interrupts disabled, so clockevents_lock is not - * required here because the local clock event device cannot go away - * under us. - */ -int tick_broadcast_oneshot_control(enum tick_broadcast_state state) +int __tick_broadcast_oneshot_control(enum tick_broadcast_state state) { struct clock_event_device *bc, *dev; - struct tick_device *td; int cpu, ret = 0; ktime_t now; /* - * Periodic mode does not care about the enter/exit of power - * states + * If there is no broadcast device, tell the caller not to go + * into deep idle. */ - if (tick_broadcast_device.mode == TICKDEV_MODE_PERIODIC) - return 0; + if (!tick_broadcast_device.evtdev) + return -EBUSY; - /* - * We are called with preemtion disabled from the depth of the - * idle code, so we can't be moved away. - */ - td = this_cpu_ptr(&tick_cpu_device); - dev = td->evtdev; - - if (!(dev->features & CLOCK_EVT_FEAT_C3STOP)) - return 0; + dev = this_cpu_ptr(&tick_cpu_device)->evtdev; raw_spin_lock(&tick_broadcast_lock); bc = tick_broadcast_device.evtdev; cpu = smp_processor_id(); if (state == TICK_BROADCAST_ENTER) { + /* + * If the current CPU owns the hrtimer broadcast + * mechanism, it cannot go deep idle and we do not add + * the CPU to the broadcast mask. We don't have to go + * through the EXIT path as the local timer is not + * shutdown. + */ + ret = broadcast_needs_cpu(bc, cpu); + if (ret) + goto out; + + /* + * If the broadcast device is in periodic mode, we + * return. + */ + if (tick_broadcast_device.mode == TICKDEV_MODE_PERIODIC) { + /* If it is a hrtimer based broadcast, return busy */ + if (bc->features & CLOCK_EVT_FEAT_HRTIMER) + ret = -EBUSY; + goto out; + } + if (!cpumask_test_and_set_cpu(cpu, tick_broadcast_oneshot_mask)) { WARN_ON_ONCE(cpumask_test_cpu(cpu, tick_broadcast_pending_mask)); + + /* Conditionally shut down the local timer. */ broadcast_shutdown_local(bc, dev); + /* * We only reprogram the broadcast timer if we * did not mark ourself in the force mask and * if the cpu local event is earlier than the * broadcast event. If the current CPU is in * the force mask, then we are going to be - * woken by the IPI right away. + * woken by the IPI right away; we return + * busy, so the CPU does not try to go deep + * idle. */ - if (!cpumask_test_cpu(cpu, tick_broadcast_force_mask) && - dev->next_event.tv64 < bc->next_event.tv64) + if (cpumask_test_cpu(cpu, tick_broadcast_force_mask)) { + ret = -EBUSY; + } else if (dev->next_event.tv64 < bc->next_event.tv64) { tick_broadcast_set_event(bc, cpu, dev->next_event); + /* + * In case of hrtimer broadcasts the + * programming might have moved the + * timer to this cpu. If yes, remove + * us from the broadcast mask and + * return busy. + */ + ret = broadcast_needs_cpu(bc, cpu); + if (ret) { + cpumask_clear_cpu(cpu, + tick_broadcast_oneshot_mask); + } + } } - /* - * If the current CPU owns the hrtimer broadcast - * mechanism, it cannot go deep idle and we remove the - * CPU from the broadcast mask. We don't have to go - * through the EXIT path as the local timer is not - * shutdown. - */ - ret = broadcast_needs_cpu(bc, cpu); - if (ret) - cpumask_clear_cpu(cpu, tick_broadcast_oneshot_mask); } else { if (cpumask_test_and_clear_cpu(cpu, tick_broadcast_oneshot_mask)) { clockevents_switch_state(dev, CLOCK_EVT_STATE_ONESHOT); @@ -796,7 +839,6 @@ out: raw_spin_unlock(&tick_broadcast_lock); return ret; } -EXPORT_SYMBOL_GPL(tick_broadcast_oneshot_control); /* * Reset the one shot broadcast for a cpu @@ -938,6 +980,16 @@ bool tick_broadcast_oneshot_available(void) return bc ? bc->features & CLOCK_EVT_FEAT_ONESHOT : false; } +#else +int __tick_broadcast_oneshot_control(enum tick_broadcast_state state) +{ + struct clock_event_device *bc = tick_broadcast_device.evtdev; + + if (!bc || (bc->features & CLOCK_EVT_FEAT_HRTIMER)) + return -EBUSY; + + return 0; +} #endif void __init tick_broadcast_init(void) diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index 76446cb5dfe1..f8bf47571dda 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -343,6 +343,28 @@ out_bc: tick_install_broadcast_device(newdev); } +/** + * tick_broadcast_oneshot_control - Enter/exit broadcast oneshot mode + * @state: The target state (enter/exit) + * + * The system enters/leaves a state, where affected devices might stop + * Returns 0 on success, -EBUSY if the cpu is used to broadcast wakeups. + * + * Called with interrupts disabled, so clockevents_lock is not + * required here because the local clock event device cannot go away + * under us. + */ +int tick_broadcast_oneshot_control(enum tick_broadcast_state state) +{ + struct tick_device *td = this_cpu_ptr(&tick_cpu_device); + + if (!(td->evtdev->features & CLOCK_EVT_FEAT_C3STOP)) + return 0; + + return __tick_broadcast_oneshot_control(state); +} +EXPORT_SYMBOL_GPL(tick_broadcast_oneshot_control); + #ifdef CONFIG_HOTPLUG_CPU /* * Transfer the do_timer job away from a dying cpu. diff --git a/kernel/time/tick-sched.h b/kernel/time/tick-sched.h index 42fdf4958bcc..a4a8d4e9baa1 100644 --- a/kernel/time/tick-sched.h +++ b/kernel/time/tick-sched.h @@ -71,4 +71,14 @@ extern void tick_cancel_sched_timer(int cpu); static inline void tick_cancel_sched_timer(int cpu) { } #endif +#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST +extern int __tick_broadcast_oneshot_control(enum tick_broadcast_state state); +#else +static inline int +__tick_broadcast_oneshot_control(enum tick_broadcast_state state) +{ + return -EBUSY; +} +#endif + #endif diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 5e097fa9faf7..84190f02b521 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -807,8 +807,8 @@ __mod_timer(struct timer_list *timer, unsigned long expires, spin_unlock(&base->lock); base = new_base; spin_lock(&base->lock); - timer->flags &= ~TIMER_BASEMASK; - timer->flags |= base->cpu; + WRITE_ONCE(timer->flags, + (timer->flags & ~TIMER_BASEMASK) | base->cpu); } } diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 02bece4a99ea..eb11011b5292 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -98,6 +98,13 @@ struct ftrace_pid { struct pid *pid; }; +static bool ftrace_pids_enabled(void) +{ + return !list_empty(&ftrace_pids); +} + +static void ftrace_update_trampoline(struct ftrace_ops *ops); + /* * ftrace_disabled is set when an anomaly is discovered. * ftrace_disabled is much stronger than ftrace_enabled. @@ -109,7 +116,6 @@ static DEFINE_MUTEX(ftrace_lock); static struct ftrace_ops *ftrace_control_list __read_mostly = &ftrace_list_end; static struct ftrace_ops *ftrace_ops_list __read_mostly = &ftrace_list_end; ftrace_func_t ftrace_trace_function __read_mostly = ftrace_stub; -ftrace_func_t ftrace_pid_function __read_mostly = ftrace_stub; static struct ftrace_ops global_ops; static struct ftrace_ops control_ops; @@ -183,14 +189,7 @@ static void ftrace_pid_func(unsigned long ip, unsigned long parent_ip, if (!test_tsk_trace_trace(current)) return; - ftrace_pid_function(ip, parent_ip, op, regs); -} - -static void set_ftrace_pid_function(ftrace_func_t func) -{ - /* do not set ftrace_pid_function to itself! */ - if (func != ftrace_pid_func) - ftrace_pid_function = func; + op->saved_func(ip, parent_ip, op, regs); } /** @@ -202,7 +201,6 @@ static void set_ftrace_pid_function(ftrace_func_t func) void clear_ftrace_function(void) { ftrace_trace_function = ftrace_stub; - ftrace_pid_function = ftrace_stub; } static void control_ops_disable_all(struct ftrace_ops *ops) @@ -436,6 +434,12 @@ static int __register_ftrace_function(struct ftrace_ops *ops) } else add_ftrace_ops(&ftrace_ops_list, ops); + /* Always save the function, and reset at unregistering */ + ops->saved_func = ops->func; + + if (ops->flags & FTRACE_OPS_FL_PID && ftrace_pids_enabled()) + ops->func = ftrace_pid_func; + ftrace_update_trampoline(ops); if (ftrace_enabled) @@ -463,15 +467,28 @@ static int __unregister_ftrace_function(struct ftrace_ops *ops) if (ftrace_enabled) update_ftrace_function(); + ops->func = ops->saved_func; + return 0; } static void ftrace_update_pid_func(void) { + bool enabled = ftrace_pids_enabled(); + struct ftrace_ops *op; + /* Only do something if we are tracing something */ if (ftrace_trace_function == ftrace_stub) return; + do_for_each_ftrace_op(op, ftrace_ops_list) { + if (op->flags & FTRACE_OPS_FL_PID) { + op->func = enabled ? ftrace_pid_func : + op->saved_func; + ftrace_update_trampoline(op); + } + } while_for_each_ftrace_op(op); + update_ftrace_function(); } @@ -1133,7 +1150,8 @@ static struct ftrace_ops global_ops = { .local_hash.filter_hash = EMPTY_HASH, INIT_OPS_HASH(global_ops) .flags = FTRACE_OPS_FL_RECURSION_SAFE | - FTRACE_OPS_FL_INITIALIZED, + FTRACE_OPS_FL_INITIALIZED | + FTRACE_OPS_FL_PID, }; /* @@ -5023,7 +5041,9 @@ static void ftrace_update_trampoline(struct ftrace_ops *ops) static struct ftrace_ops global_ops = { .func = ftrace_stub, - .flags = FTRACE_OPS_FL_RECURSION_SAFE | FTRACE_OPS_FL_INITIALIZED, + .flags = FTRACE_OPS_FL_RECURSION_SAFE | + FTRACE_OPS_FL_INITIALIZED | + FTRACE_OPS_FL_PID, }; static int __init ftrace_nodyn_init(void) @@ -5080,11 +5100,6 @@ void ftrace_init_array_ops(struct trace_array *tr, ftrace_func_t func) if (WARN_ON(tr->ops->func != ftrace_stub)) printk("ftrace ops had %pS for function\n", tr->ops->func); - /* Only the top level instance does pid tracing */ - if (!list_empty(&ftrace_pids)) { - set_ftrace_pid_function(func); - func = ftrace_pid_func; - } } tr->ops->func = func; tr->ops->private = tr; @@ -5371,7 +5386,7 @@ static void *fpid_start(struct seq_file *m, loff_t *pos) { mutex_lock(&ftrace_lock); - if (list_empty(&ftrace_pids) && (!*pos)) + if (!ftrace_pids_enabled() && (!*pos)) return (void *) 1; return seq_list_start(&ftrace_pids, *pos); @@ -5610,6 +5625,7 @@ static struct ftrace_ops graph_ops = { .func = ftrace_stub, .flags = FTRACE_OPS_FL_RECURSION_SAFE | FTRACE_OPS_FL_INITIALIZED | + FTRACE_OPS_FL_PID | FTRACE_OPS_FL_STUB, #ifdef FTRACE_GRAPH_TRAMP_ADDR .trampoline = FTRACE_GRAPH_TRAMP_ADDR, diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index f060716b02ae..74bde81601a9 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -444,6 +444,7 @@ enum { TRACE_CONTROL_BIT, + TRACE_BRANCH_BIT, /* * Abuse of the trace_recursion. * As we need a way to maintain state if we are tracing the function diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c index a87b43f49eb4..e2e12ad3186f 100644 --- a/kernel/trace/trace_branch.c +++ b/kernel/trace/trace_branch.c @@ -36,9 +36,12 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) struct trace_branch *entry; struct ring_buffer *buffer; unsigned long flags; - int cpu, pc; + int pc; const char *p; + if (current->trace_recursion & TRACE_BRANCH_BIT) + return; + /* * I would love to save just the ftrace_likely_data pointer, but * this code can also be used by modules. Ugly things can happen @@ -49,10 +52,10 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) if (unlikely(!tr)) return; - local_irq_save(flags); - cpu = raw_smp_processor_id(); - data = per_cpu_ptr(tr->trace_buffer.data, cpu); - if (atomic_inc_return(&data->disabled) != 1) + raw_local_irq_save(flags); + current->trace_recursion |= TRACE_BRANCH_BIT; + data = this_cpu_ptr(tr->trace_buffer.data); + if (atomic_read(&data->disabled)) goto out; pc = preempt_count(); @@ -81,8 +84,8 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) __buffer_unlock_commit(buffer, event); out: - atomic_dec(&data->disabled); - local_irq_restore(flags); + current->trace_recursion &= ~TRACE_BRANCH_BIT; + raw_local_irq_restore(flags); } static inline diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan index 777eda7d1ab4..39f24d6721e5 100644 --- a/lib/Kconfig.kasan +++ b/lib/Kconfig.kasan @@ -18,10 +18,6 @@ config KASAN For better error detection enable CONFIG_STACKTRACE, and add slub_debug=U to boot cmdline. -config KASAN_SHADOW_OFFSET - hex - default 0xdffffc0000000000 if X86_64 - choice prompt "Instrumentation type" depends on KASAN diff --git a/lib/decompress.c b/lib/decompress.c index 528ff932d8e4..62696dff5730 100644 --- a/lib/decompress.c +++ b/lib/decompress.c @@ -59,8 +59,11 @@ decompress_fn __init decompress_method(const unsigned char *inbuf, long len, { const struct compress_format *cf; - if (len < 2) + if (len < 2) { + if (name) + *name = NULL; return NULL; /* Need at least this much... */ + } pr_debug("Compressed data magic: %#.2x %#.2x\n", inbuf[0], inbuf[1]); diff --git a/lib/dma-debug.c b/lib/dma-debug.c index ae4b65e17e64..dace71fe41f7 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -574,6 +574,9 @@ void debug_dma_assert_idle(struct page *page) unsigned long flags; phys_addr_t cln; + if (dma_debug_disabled()) + return; + if (!page) return; diff --git a/lib/hexdump.c b/lib/hexdump.c index 7ea09699855d..8d74c20d8595 100644 --- a/lib/hexdump.c +++ b/lib/hexdump.c @@ -11,6 +11,7 @@ #include <linux/ctype.h> #include <linux/kernel.h> #include <linux/export.h> +#include <asm/unaligned.h> const char hex_asc[] = "0123456789abcdef"; EXPORT_SYMBOL(hex_asc); @@ -139,7 +140,7 @@ int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, for (j = 0; j < ngroups; j++) { ret = snprintf(linebuf + lx, linebuflen - lx, "%s%16.16llx", j ? " " : "", - (unsigned long long)*(ptr8 + j)); + get_unaligned(ptr8 + j)); if (ret >= linebuflen - lx) goto overflow1; lx += ret; @@ -150,7 +151,7 @@ int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, for (j = 0; j < ngroups; j++) { ret = snprintf(linebuf + lx, linebuflen - lx, "%s%8.8x", j ? " " : "", - *(ptr4 + j)); + get_unaligned(ptr4 + j)); if (ret >= linebuflen - lx) goto overflow1; lx += ret; @@ -161,7 +162,7 @@ int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, for (j = 0; j < ngroups; j++) { ret = snprintf(linebuf + lx, linebuflen - lx, "%s%4.4x", j ? " " : "", - *(ptr2 + j)); + get_unaligned(ptr2 + j)); if (ret >= linebuflen - lx) goto overflow1; lx += ret; diff --git a/lib/iommu-common.c b/lib/iommu-common.c index df30632f0bef..ff19f66d3f7f 100644 --- a/lib/iommu-common.c +++ b/lib/iommu-common.c @@ -119,7 +119,7 @@ unsigned long iommu_tbl_range_alloc(struct device *dev, unsigned long align_mask = 0; if (align_order > 0) - align_mask = 0xffffffffffffffffl >> (64 - align_order); + align_mask = ~0ul >> (BITS_PER_LONG - align_order); /* Sanity check */ if (unlikely(npages == 0)) { diff --git a/lib/kobject.c b/lib/kobject.c index 2e3bd01964a9..3e3a5c3cb330 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -337,8 +337,9 @@ error: } EXPORT_SYMBOL(kobject_init); -static int kobject_add_varg(struct kobject *kobj, struct kobject *parent, - const char *fmt, va_list vargs) +static __printf(3, 0) int kobject_add_varg(struct kobject *kobj, + struct kobject *parent, + const char *fmt, va_list vargs) { int retval; diff --git a/lib/rhashtable.c b/lib/rhashtable.c index a60a6d335a91..cc0c69710dcf 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -610,6 +610,8 @@ next: iter->skip = 0; } + iter->p = NULL; + /* Ensure we see any new tables. */ smp_rmb(); @@ -620,8 +622,6 @@ next: return ERR_PTR(-EAGAIN); } - iter->p = NULL; - return NULL; } EXPORT_SYMBOL_GPL(rhashtable_walk_next); @@ -16,7 +16,7 @@ struct cma { extern struct cma cma_areas[MAX_CMA_AREAS]; extern unsigned cma_area_count; -static unsigned long cma_bitmap_maxno(struct cma *cma) +static inline unsigned long cma_bitmap_maxno(struct cma *cma) { return cma->count >> cma->order_per_bit; } diff --git a/mm/cma_debug.c b/mm/cma_debug.c index 7621ee34daa0..f8e4b60db167 100644 --- a/mm/cma_debug.c +++ b/mm/cma_debug.c @@ -39,7 +39,7 @@ static int cma_used_get(void *data, u64 *val) mutex_lock(&cma->lock); /* pages counter is smaller than sizeof(int) */ - used = bitmap_weight(cma->bitmap, (int)cma->count); + used = bitmap_weight(cma->bitmap, (int)cma_bitmap_maxno(cma)); mutex_unlock(&cma->lock); *val = (u64)used << cma->order_per_bit; @@ -52,13 +52,14 @@ static int cma_maxchunk_get(void *data, u64 *val) struct cma *cma = data; unsigned long maxchunk = 0; unsigned long start, end = 0; + unsigned long bitmap_maxno = cma_bitmap_maxno(cma); mutex_lock(&cma->lock); for (;;) { - start = find_next_zero_bit(cma->bitmap, cma->count, end); + start = find_next_zero_bit(cma->bitmap, bitmap_maxno, end); if (start >= cma->count) break; - end = find_next_bit(cma->bitmap, cma->count, start); + end = find_next_bit(cma->bitmap, bitmap_maxno, start); maxchunk = max(end - start, maxchunk); } mutex_unlock(&cma->lock); @@ -170,10 +171,10 @@ static void cma_debugfs_add_one(struct cma *cma, int idx) tmp = debugfs_create_dir(name, cma_debugfs_root); - debugfs_create_file("alloc", S_IWUSR, cma_debugfs_root, cma, + debugfs_create_file("alloc", S_IWUSR, tmp, cma, &cma_alloc_fops); - debugfs_create_file("free", S_IWUSR, cma_debugfs_root, cma, + debugfs_create_file("free", S_IWUSR, tmp, cma, &cma_free_fops); debugfs_create_file("base_pfn", S_IRUGO, tmp, diff --git a/mm/huge_memory.c b/mm/huge_memory.c index c107094f79ba..097c7a4bfbd9 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1676,12 +1676,7 @@ static void __split_huge_page_refcount(struct page *page, /* after clearing PageTail the gup refcount can be released */ smp_mb__after_atomic(); - /* - * retain hwpoison flag of the poisoned tail page: - * fix for the unsuitable process killed on Guest Machine(KVM) - * by the memory-failure. - */ - page_tail->flags &= ~PAGE_FLAGS_CHECK_AT_PREP | __PG_HWPOISON; + page_tail->flags &= ~PAGE_FLAGS_CHECK_AT_PREP; page_tail->flags |= (page->flags & ((1L << PG_referenced) | (1L << PG_swapbacked) | diff --git a/mm/kasan/kasan.c b/mm/kasan/kasan.c index 6c513a63ea84..7b28e9cdf1c7 100644 --- a/mm/kasan/kasan.c +++ b/mm/kasan/kasan.c @@ -2,7 +2,7 @@ * This file contains shadow memory manipulation code. * * Copyright (c) 2014 Samsung Electronics Co., Ltd. - * Author: Andrey Ryabinin <a.ryabinin@samsung.com> + * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com> * * Some of code borrowed from https://github.com/xairy/linux by * Andrey Konovalov <adech.fo@gmail.com> diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 680ceedf810a..e07c94fbd0ac 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -2,7 +2,7 @@ * This file contains error reporting code. * * Copyright (c) 2014 Samsung Electronics Co., Ltd. - * Author: Andrey Ryabinin <a.ryabinin@samsung.com> + * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com> * * Some of code borrowed from https://github.com/xairy/linux by * Andrey Konovalov <adech.fo@gmail.com> diff --git a/mm/memory-failure.c b/mm/memory-failure.c index c53543d89282..1f4446a90cef 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -909,6 +909,18 @@ int get_hwpoison_page(struct page *page) * directly for tail pages. */ if (PageTransHuge(head)) { + /* + * Non anonymous thp exists only in allocation/free time. We + * can't handle such a case correctly, so let's give it up. + * This should be better than triggering BUG_ON when kernel + * tries to touch the "partially handled" page. + */ + if (!PageAnon(head)) { + pr_err("MCE: %#lx: non anonymous thp\n", + page_to_pfn(page)); + return 0; + } + if (get_page_unless_zero(head)) { if (PageTail(page)) get_page(page); @@ -1134,17 +1146,11 @@ int memory_failure(unsigned long pfn, int trapno, int flags) } if (!PageHuge(p) && PageTransHuge(hpage)) { - if (!PageAnon(hpage)) { - pr_err("MCE: %#lx: non anonymous thp\n", pfn); - if (TestClearPageHWPoison(p)) - atomic_long_sub(nr_pages, &num_poisoned_pages); - put_page(p); - if (p != hpage) - put_page(hpage); - return -EBUSY; - } - if (unlikely(split_huge_page(hpage))) { - pr_err("MCE: %#lx: thp split failed\n", pfn); + if (!PageAnon(hpage) || unlikely(split_huge_page(hpage))) { + if (!PageAnon(hpage)) + pr_err("MCE: %#lx: non anonymous thp\n", pfn); + else + pr_err("MCE: %#lx: thp split failed\n", pfn); if (TestClearPageHWPoison(p)) atomic_long_sub(nr_pages, &num_poisoned_pages); put_page(p); @@ -1209,9 +1215,9 @@ int memory_failure(unsigned long pfn, int trapno, int flags) if (!PageHWPoison(p)) { printk(KERN_ERR "MCE %#lx: just unpoisoned\n", pfn); atomic_long_sub(nr_pages, &num_poisoned_pages); + unlock_page(hpage); put_page(hpage); - res = 0; - goto out; + return 0; } if (hwpoison_filter(p)) { if (TestClearPageHWPoison(p)) @@ -1535,6 +1541,8 @@ static int get_any_page(struct page *page, unsigned long pfn, int flags) */ ret = __get_any_page(page, pfn, 0); if (!PageLRU(page)) { + /* Drop page reference which is from __get_any_page() */ + put_page(page); pr_info("soft_offline: %#lx: unknown non LRU page type %lx\n", pfn, page->flags); return -EIO; @@ -1564,13 +1572,12 @@ static int soft_offline_huge_page(struct page *page, int flags) unlock_page(hpage); ret = isolate_huge_page(hpage, &pagelist); - if (ret) { - /* - * get_any_page() and isolate_huge_page() takes a refcount each, - * so need to drop one here. - */ - put_page(hpage); - } else { + /* + * get_any_page() and isolate_huge_page() takes a refcount each, + * so need to drop one here. + */ + put_page(hpage); + if (!ret) { pr_info("soft offline: %#lx hugepage failed to isolate\n", pfn); return -EBUSY; } @@ -1656,6 +1663,8 @@ static int __soft_offline_page(struct page *page, int flags) inc_zone_page_state(page, NR_ISOLATED_ANON + page_is_file_cache(page)); list_add(&page->lru, &pagelist); + if (!TestSetPageHWPoison(page)) + atomic_long_inc(&num_poisoned_pages); ret = migrate_pages(&pagelist, new_page, NULL, MPOL_MF_MOVE_ALL, MIGRATE_SYNC, MR_MEMORY_FAILURE); if (ret) { @@ -1670,9 +1679,8 @@ static int __soft_offline_page(struct page *page, int flags) pfn, ret, page->flags); if (ret > 0) ret = -EIO; - } else { - SetPageHWPoison(page); - atomic_long_inc(&num_poisoned_pages); + if (TestClearPageHWPoison(page)) + atomic_long_dec(&num_poisoned_pages); } } else { pr_info("soft offline: %#lx: isolation failed: %d, page count %d, type %lx\n", diff --git a/mm/memory.c b/mm/memory.c index a84fbb772034..388dcf9aa283 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2670,6 +2670,10 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma, pte_unmap(page_table); + /* File mapping without ->vm_ops ? */ + if (vma->vm_flags & VM_SHARED) + return VM_FAULT_SIGBUS; + /* Check if we need to add a guard page to the stack */ if (check_stack_guard_page(vma, address) < 0) return VM_FAULT_SIGSEGV; @@ -3099,6 +3103,9 @@ static int do_fault(struct mm_struct *mm, struct vm_area_struct *vma, - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; pte_unmap(page_table); + /* The VMA was not fully populated on mmap() or missing VM_DONTEXPAND */ + if (!vma->vm_ops->fault) + return VM_FAULT_SIGBUS; if (!(flags & FAULT_FLAG_WRITE)) return do_read_fault(mm, vma, address, pmd, pgoff, flags, orig_pte); @@ -3244,13 +3251,12 @@ static int handle_pte_fault(struct mm_struct *mm, barrier(); if (!pte_present(entry)) { if (pte_none(entry)) { - if (vma->vm_ops) { - if (likely(vma->vm_ops->fault)) - return do_fault(mm, vma, address, pte, - pmd, flags, entry); - } - return do_anonymous_page(mm, vma, address, - pte, pmd, flags); + if (vma->vm_ops) + return do_fault(mm, vma, address, pte, pmd, + flags, entry); + + return do_anonymous_page(mm, vma, address, pte, pmd, + flags); } return do_swap_page(mm, vma, address, pte, pmd, flags, entry); diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 26fbba7d888f..6da82bcb0a8b 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -446,7 +446,7 @@ static int __meminit __add_zone(struct zone *zone, unsigned long phys_start_pfn) int nr_pages = PAGES_PER_SECTION; int nid = pgdat->node_id; int zone_type; - unsigned long flags; + unsigned long flags, pfn; int ret; zone_type = zone - pgdat->node_zones; @@ -461,6 +461,14 @@ static int __meminit __add_zone(struct zone *zone, unsigned long phys_start_pfn) pgdat_resize_unlock(zone->zone_pgdat, &flags); memmap_init_zone(nr_pages, nid, zone_type, phys_start_pfn, MEMMAP_HOTPLUG); + + /* online_page_range is called later and expects pages reserved */ + for (pfn = phys_start_pfn; pfn < phys_start_pfn + nr_pages; pfn++) { + if (!pfn_valid(pfn)) + continue; + + SetPageReserved(pfn_to_page(pfn)); + } return 0; } @@ -1269,6 +1277,7 @@ int __ref add_memory(int nid, u64 start, u64 size) /* create new memmap entry */ firmware_map_add_hotplug(start, start + size, "System RAM"); + memblock_add_node(start, size, nid); goto out; @@ -2005,6 +2014,8 @@ void __ref remove_memory(int nid, u64 start, u64 size) /* remove memmap entry */ firmware_map_remove(start, start + size, "System RAM"); + memblock_free(start, size); + memblock_remove(start, size); arch_remove_memory(start, size); diff --git a/mm/migrate.c b/mm/migrate.c index ee401e4e5ef1..eb4267107d1f 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -880,7 +880,8 @@ static int __unmap_and_move(struct page *page, struct page *newpage, /* Establish migration ptes or remove ptes */ if (page_mapped(page)) { try_to_unmap(page, - TTU_MIGRATION|TTU_IGNORE_MLOCK|TTU_IGNORE_ACCESS); + TTU_MIGRATION|TTU_IGNORE_MLOCK|TTU_IGNORE_ACCESS| + TTU_IGNORE_HWPOISON); page_was_mapped = 1; } @@ -950,7 +951,10 @@ out: list_del(&page->lru); dec_zone_page_state(page, NR_ISOLATED_ANON + page_is_file_cache(page)); - if (reason != MR_MEMORY_FAILURE) + /* Soft-offlined page shouldn't go through lru cache list */ + if (reason == MR_MEMORY_FAILURE) + put_page(page); + else putback_lru_page(page); } diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 22cddd3e5de8..5cccc127ef81 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2063,10 +2063,10 @@ static struct notifier_block ratelimit_nb = { */ void __init page_writeback_init(void) { + BUG_ON(wb_domain_init(&global_wb_domain, GFP_KERNEL)); + writeback_set_ratelimit(); register_cpu_notifier(&ratelimit_nb); - - BUG_ON(wb_domain_init(&global_wb_domain, GFP_KERNEL)); } /** diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 506eac8b38af..5b5240b7f642 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -18,7 +18,6 @@ #include <linux/mm.h> #include <linux/swap.h> #include <linux/interrupt.h> -#include <linux/rwsem.h> #include <linux/pagemap.h> #include <linux/jiffies.h> #include <linux/bootmem.h> @@ -246,9 +245,7 @@ static inline void reset_deferred_meminit(pg_data_t *pgdat) /* Returns true if the struct page for the pfn is uninitialised */ static inline bool __meminit early_page_uninitialised(unsigned long pfn) { - int nid = early_pfn_to_nid(pfn); - - if (pfn >= NODE_DATA(nid)->first_deferred_pfn) + if (pfn >= NODE_DATA(early_pfn_to_nid(pfn))->first_deferred_pfn) return true; return false; @@ -983,21 +980,21 @@ static void __init __free_pages_boot_core(struct page *page, #if defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID) || \ defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) -/* Only safe to use early in boot when initialisation is single-threaded */ + static struct mminit_pfnnid_cache early_pfnnid_cache __meminitdata; int __meminit early_pfn_to_nid(unsigned long pfn) { + static DEFINE_SPINLOCK(early_pfn_lock); int nid; - /* The system will behave unpredictably otherwise */ - BUG_ON(system_state != SYSTEM_BOOTING); - + spin_lock(&early_pfn_lock); nid = __early_pfn_to_nid(pfn, &early_pfnnid_cache); - if (nid >= 0) - return nid; - /* just returns 0 */ - return 0; + if (nid < 0) + nid = 0; + spin_unlock(&early_pfn_lock); + + return nid; } #endif @@ -1062,7 +1059,15 @@ static void __init deferred_free_range(struct page *page, __free_pages_boot_core(page, pfn, 0); } -static __initdata DECLARE_RWSEM(pgdat_init_rwsem); +/* Completion tracking for deferred_init_memmap() threads */ +static atomic_t pgdat_init_n_undone __initdata; +static __initdata DECLARE_COMPLETION(pgdat_init_all_done_comp); + +static inline void __init pgdat_init_report_one_done(void) +{ + if (atomic_dec_and_test(&pgdat_init_n_undone)) + complete(&pgdat_init_all_done_comp); +} /* Initialise remaining memory on a node */ static int __init deferred_init_memmap(void *data) @@ -1079,7 +1084,7 @@ static int __init deferred_init_memmap(void *data) const struct cpumask *cpumask = cpumask_of_node(pgdat->node_id); if (first_init_pfn == ULONG_MAX) { - up_read(&pgdat_init_rwsem); + pgdat_init_report_one_done(); return 0; } @@ -1179,7 +1184,8 @@ free_range: pr_info("node %d initialised, %lu pages in %ums\n", nid, nr_pages, jiffies_to_msecs(jiffies - start)); - up_read(&pgdat_init_rwsem); + + pgdat_init_report_one_done(); return 0; } @@ -1187,14 +1193,17 @@ void __init page_alloc_init_late(void) { int nid; + /* There will be num_node_state(N_MEMORY) threads */ + atomic_set(&pgdat_init_n_undone, num_node_state(N_MEMORY)); for_each_node_state(nid, N_MEMORY) { - down_read(&pgdat_init_rwsem); kthread_run(deferred_init_memmap, NODE_DATA(nid), "pgdatinit%d", nid); } /* Block until all are initialised */ - down_write(&pgdat_init_rwsem); - up_write(&pgdat_init_rwsem); + wait_for_completion(&pgdat_init_all_done_comp); + + /* Reinit limits that are based on free pages after the kernel is up */ + files_maxfiles_init(); } #endif /* CONFIG_DEFERRED_STRUCT_PAGE_INIT */ @@ -1287,6 +1296,10 @@ static inline int check_new_page(struct page *page) bad_reason = "non-NULL mapping"; if (unlikely(atomic_read(&page->_count) != 0)) bad_reason = "nonzero _count"; + if (unlikely(page->flags & __PG_HWPOISON)) { + bad_reason = "HWPoisoned (hardware-corrupted)"; + bad_flags = __PG_HWPOISON; + } if (unlikely(page->flags & PAGE_FLAGS_CHECK_AT_PREP)) { bad_reason = "PAGE_FLAGS_CHECK_AT_PREP flag set"; bad_flags = PAGE_FLAGS_CHECK_AT_PREP; @@ -1330,12 +1343,15 @@ static int prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags, set_page_owner(page, order, gfp_flags); /* - * page->pfmemalloc is set when ALLOC_NO_WATERMARKS was necessary to + * page is set pfmemalloc when ALLOC_NO_WATERMARKS was necessary to * allocate the page. The expectation is that the caller is taking * steps that will free more memory. The caller should avoid the page * being used for !PFMEMALLOC purposes. */ - page->pfmemalloc = !!(alloc_flags & ALLOC_NO_WATERMARKS); + if (alloc_flags & ALLOC_NO_WATERMARKS) + set_page_pfmemalloc(page); + else + clear_page_pfmemalloc(page); return 0; } @@ -1950,6 +1966,7 @@ void free_hot_cold_page_list(struct list_head *list, bool cold) void split_page(struct page *page, unsigned int order) { int i; + gfp_t gfp_mask; VM_BUG_ON_PAGE(PageCompound(page), page); VM_BUG_ON_PAGE(!page_count(page), page); @@ -1963,10 +1980,11 @@ void split_page(struct page *page, unsigned int order) split_page(virt_to_page(page[0].shadow), order); #endif - set_page_owner(page, 0, 0); + gfp_mask = get_page_owner_gfp(page); + set_page_owner(page, 0, gfp_mask); for (i = 1; i < (1 << order); i++) { set_page_refcounted(page + i); - set_page_owner(page + i, 0, 0); + set_page_owner(page + i, 0, gfp_mask); } } EXPORT_SYMBOL_GPL(split_page); @@ -1996,6 +2014,8 @@ int __isolate_free_page(struct page *page, unsigned int order) zone->free_area[order].nr_free--; rmv_page_order(page); + set_page_owner(page, order, __GFP_MOVABLE); + /* Set the pageblock if the isolated page is at least a pageblock */ if (order >= pageblock_order - 1) { struct page *endpage = page + (1 << order) - 1; @@ -2007,7 +2027,7 @@ int __isolate_free_page(struct page *page, unsigned int order) } } - set_page_owner(page, order, 0); + return 1UL << order; } @@ -3328,7 +3348,7 @@ refill: atomic_add(size - 1, &page->_count); /* reset page count bias and offset to start of new frag */ - nc->pfmemalloc = page->pfmemalloc; + nc->pfmemalloc = page_is_pfmemalloc(page); nc->pagecnt_bias = size; nc->offset = size; } @@ -5043,6 +5063,10 @@ static unsigned long __meminit zone_spanned_pages_in_node(int nid, { unsigned long zone_start_pfn, zone_end_pfn; + /* When hotadd a new node, the node should be empty */ + if (!node_start_pfn && !node_end_pfn) + return 0; + /* Get the start and end of the zone */ zone_start_pfn = arch_zone_lowest_possible_pfn[zone_type]; zone_end_pfn = arch_zone_highest_possible_pfn[zone_type]; @@ -5106,6 +5130,10 @@ static unsigned long __meminit zone_absent_pages_in_node(int nid, unsigned long zone_high = arch_zone_highest_possible_pfn[zone_type]; unsigned long zone_start_pfn, zone_end_pfn; + /* When hotadd a new node, the node should be empty */ + if (!node_start_pfn && !node_end_pfn) + return 0; + zone_start_pfn = clamp(node_start_pfn, zone_low, zone_high); zone_end_pfn = clamp(node_end_pfn, zone_low, zone_high); diff --git a/mm/page_owner.c b/mm/page_owner.c index bd5f842b56d2..983c3a10fa07 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -76,6 +76,13 @@ void __set_page_owner(struct page *page, unsigned int order, gfp_t gfp_mask) __set_bit(PAGE_EXT_OWNER, &page_ext->flags); } +gfp_t __get_page_owner_gfp(struct page *page) +{ + struct page_ext *page_ext = lookup_page_ext(page); + + return page_ext->gfp_mask; +} + static ssize_t print_page_owner(char __user *buf, size_t count, unsigned long pfn, struct page *page, struct page_ext *page_ext) diff --git a/mm/shmem.c b/mm/shmem.c index 4caf8ed24d65..dbe0c1e8349c 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -3363,8 +3363,8 @@ put_path: * shmem_kernel_file_setup - get an unlinked file living in tmpfs which must be * kernel internal. There will be NO LSM permission checks against the * underlying inode. So users of this interface must do LSM checks at a - * higher layer. The one user is the big_key implementation. LSM checks - * are provided at the key level rather than the inode level. + * higher layer. The users are the big_key and shm implementations. LSM + * checks are provided at the key or shm level rather than the inode. * @name: name for dentry (to be seen in /proc/<pid>/maps * @size: size to be set for the file * @flags: VM_NORESERVE suppresses pre-accounting of the entire object size diff --git a/mm/slab.c b/mm/slab.c index 200e22412a16..bbd0b47dc6a9 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1603,7 +1603,7 @@ static struct page *kmem_getpages(struct kmem_cache *cachep, gfp_t flags, } /* Record if ALLOC_NO_WATERMARKS was set when allocating the slab */ - if (unlikely(page->pfmemalloc)) + if (page_is_pfmemalloc(page)) pfmemalloc_active = true; nr_pages = (1 << cachep->gfporder); @@ -1614,7 +1614,7 @@ static struct page *kmem_getpages(struct kmem_cache *cachep, gfp_t flags, add_zone_page_state(page_zone(page), NR_SLAB_UNRECLAIMABLE, nr_pages); __SetPageSlab(page); - if (page->pfmemalloc) + if (page_is_pfmemalloc(page)) SetPageSlabPfmemalloc(page); if (kmemcheck_enabled && !(cachep->flags & SLAB_NOTRACK)) { diff --git a/mm/slab_common.c b/mm/slab_common.c index 3e5f8f29c286..86831105a09f 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -37,8 +37,7 @@ struct kmem_cache *kmem_cache; SLAB_TRACE | SLAB_DESTROY_BY_RCU | SLAB_NOLEAKTRACE | \ SLAB_FAILSLAB) -#define SLAB_MERGE_SAME (SLAB_DEBUG_FREE | SLAB_RECLAIM_ACCOUNT | \ - SLAB_CACHE_DMA | SLAB_NOTRACK) +#define SLAB_MERGE_SAME (SLAB_RECLAIM_ACCOUNT | SLAB_CACHE_DMA | SLAB_NOTRACK) /* * Merge control. If this is set then no merging of slab caches will occur. diff --git a/mm/slub.c b/mm/slub.c index 816df0016555..f68c0e50f3c0 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1427,7 +1427,7 @@ static struct page *new_slab(struct kmem_cache *s, gfp_t flags, int node) inc_slabs_node(s, page_to_nid(page), page->objects); page->slab_cache = s; __SetPageSlab(page); - if (page->pfmemalloc) + if (page_is_pfmemalloc(page)) SetPageSlabPfmemalloc(page); start = page_address(page); diff --git a/mm/vmscan.c b/mm/vmscan.c index e61445dce04e..8286938c70de 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -973,22 +973,18 @@ static unsigned long shrink_page_list(struct list_head *page_list, * caller can stall after page list has been processed. * * 2) Global or new memcg reclaim encounters a page that is - * not marked for immediate reclaim or the caller does not - * have __GFP_IO. In this case mark the page for immediate + * not marked for immediate reclaim, or the caller does not + * have __GFP_FS (or __GFP_IO if it's simply going to swap, + * not to fs). In this case mark the page for immediate * reclaim and continue scanning. * - * __GFP_IO is checked because a loop driver thread might + * Require may_enter_fs because we would wait on fs, which + * may not have submitted IO yet. And the loop driver might * enter reclaim, and deadlock if it waits on a page for * which it is needed to do the write (loop masks off * __GFP_IO|__GFP_FS for this reason); but more thought * would probably show more reasons. * - * Don't require __GFP_FS, since we're not going into the - * FS, just waiting on its writeback completion. Worryingly, - * ext4 gfs2 and xfs allocate pages with - * grab_cache_page_write_begin(,,AOP_FLAG_NOFS), so testing - * may_enter_fs here is liable to OOM on them. - * * 3) Legacy memcg encounters a page that is not already marked * PageReclaim. memcg does not have any dirty pages * throttling so we could easily OOM just because too many @@ -1005,7 +1001,7 @@ static unsigned long shrink_page_list(struct list_head *page_list, /* Case 2 above */ } else if (sane_reclaim(sc) || - !PageReclaim(page) || !(sc->gfp_mask & __GFP_IO)) { + !PageReclaim(page) || !may_enter_fs) { /* * This is slightly racy - end_page_writeback() * might have just cleared PageReclaim, then diff --git a/net/9p/client.c b/net/9p/client.c index 498454b3c06c..ea79ee9a7348 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -1541,6 +1541,7 @@ p9_client_read(struct p9_fid *fid, u64 offset, struct iov_iter *to, int *err) struct p9_client *clnt = fid->clnt; struct p9_req_t *req; int total = 0; + *err = 0; p9_debug(P9_DEBUG_9P, ">>> TREAD fid %d offset %llu %d\n", fid->fid, (unsigned long long) offset, (int)iov_iter_count(to)); @@ -1620,6 +1621,7 @@ p9_client_write(struct p9_fid *fid, u64 offset, struct iov_iter *from, int *err) struct p9_client *clnt = fid->clnt; struct p9_req_t *req; int total = 0; + *err = 0; p9_debug(P9_DEBUG_9P, ">>> TWRITE fid %d offset %llu count %zd\n", fid->fid, (unsigned long long) offset, diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 9dd49ca67dbc..6e70ddb158b4 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -704,6 +704,7 @@ static void p9_virtio_remove(struct virtio_device *vdev) mutex_unlock(&virtio_9p_lock); + vdev->config->reset(vdev); vdev->config->del_vqs(vdev); sysfs_remove_file(&(vdev->dev.kobj), &dev_attr_mount_tag.attr); diff --git a/net/ax25/ax25_subr.c b/net/ax25/ax25_subr.c index 1997538a5d23..3b78e8473a01 100644 --- a/net/ax25/ax25_subr.c +++ b/net/ax25/ax25_subr.c @@ -264,6 +264,7 @@ void ax25_disconnect(ax25_cb *ax25, int reason) { ax25_clear_queues(ax25); + ax25_stop_heartbeat(ax25); ax25_stop_t1timer(ax25); ax25_stop_t2timer(ax25); ax25_stop_t3timer(ax25); diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index fb54e6aed096..6d0b471eede8 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -1138,6 +1138,9 @@ void batadv_dat_snoop_outgoing_arp_reply(struct batadv_priv *bat_priv, * @bat_priv: the bat priv with all the soft interface information * @skb: packet to check * @hdr_size: size of the encapsulation header + * + * Returns true if the packet was snooped and consumed by DAT. False if the + * packet has to be delivered to the interface */ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv, struct sk_buff *skb, int hdr_size) @@ -1145,7 +1148,7 @@ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv, uint16_t type; __be32 ip_src, ip_dst; uint8_t *hw_src, *hw_dst; - bool ret = false; + bool dropped = false; unsigned short vid; if (!atomic_read(&bat_priv->distributed_arp_table)) @@ -1174,12 +1177,17 @@ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv, /* if this REPLY is directed to a client of mine, let's deliver the * packet to the interface */ - ret = !batadv_is_my_client(bat_priv, hw_dst, vid); + dropped = !batadv_is_my_client(bat_priv, hw_dst, vid); + + /* if this REPLY is sent on behalf of a client of mine, let's drop the + * packet because the client will reply by itself + */ + dropped |= batadv_is_my_client(bat_priv, hw_src, vid); out: - if (ret) + if (dropped) kfree_skb(skb); - /* if ret == false -> packet has to be delivered to the interface */ - return ret; + /* if dropped == false -> deliver to the interface */ + return dropped; } /** diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index bb0158620628..cffa92dd9877 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -439,6 +439,8 @@ static void batadv_gw_node_add(struct batadv_priv *bat_priv, INIT_HLIST_NODE(&gw_node->list); gw_node->orig_node = orig_node; + gw_node->bandwidth_down = ntohl(gateway->bandwidth_down); + gw_node->bandwidth_up = ntohl(gateway->bandwidth_up); atomic_set(&gw_node->refcount, 1); spin_lock_bh(&bat_priv->gw.list_lock); diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index c002961da75d..a2fc843c2243 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -479,6 +479,9 @@ out: */ void batadv_softif_vlan_free_ref(struct batadv_softif_vlan *vlan) { + if (!vlan) + return; + if (atomic_dec_and_test(&vlan->refcount)) { spin_lock_bh(&vlan->bat_priv->softif_vlan_list_lock); hlist_del_rcu(&vlan->list); diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index b4824951010b..5809b39c1922 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -594,6 +594,12 @@ bool batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr, /* increase the refcounter of the related vlan */ vlan = batadv_softif_vlan_get(bat_priv, vid); + if (WARN(!vlan, "adding TT local entry %pM to non-existent VLAN %d", + addr, BATADV_PRINT_VID(vid))) { + kfree(tt_local); + tt_local = NULL; + goto out; + } batadv_dbg(BATADV_DBG_TT, bat_priv, "Creating new local tt entry: %pM (vid: %d, ttvn: %d)\n", @@ -1034,6 +1040,7 @@ uint16_t batadv_tt_local_remove(struct batadv_priv *bat_priv, struct batadv_tt_local_entry *tt_local_entry; uint16_t flags, curr_flags = BATADV_NO_FLAGS; struct batadv_softif_vlan *vlan; + void *tt_entry_exists; tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr, vid); if (!tt_local_entry) @@ -1061,11 +1068,22 @@ uint16_t batadv_tt_local_remove(struct batadv_priv *bat_priv, * immediately purge it */ batadv_tt_local_event(bat_priv, tt_local_entry, BATADV_TT_CLIENT_DEL); - hlist_del_rcu(&tt_local_entry->common.hash_entry); + + tt_entry_exists = batadv_hash_remove(bat_priv->tt.local_hash, + batadv_compare_tt, + batadv_choose_tt, + &tt_local_entry->common); + if (!tt_entry_exists) + goto out; + + /* extra call to free the local tt entry */ batadv_tt_local_entry_free_ref(tt_local_entry); /* decrease the reference held for this vlan */ vlan = batadv_softif_vlan_get(bat_priv, vid); + if (!vlan) + goto out; + batadv_softif_vlan_free_ref(vlan); batadv_softif_vlan_free_ref(vlan); @@ -1166,8 +1184,10 @@ static void batadv_tt_local_table_free(struct batadv_priv *bat_priv) /* decrease the reference held for this vlan */ vlan = batadv_softif_vlan_get(bat_priv, tt_common_entry->vid); - batadv_softif_vlan_free_ref(vlan); - batadv_softif_vlan_free_ref(vlan); + if (vlan) { + batadv_softif_vlan_free_ref(vlan); + batadv_softif_vlan_free_ref(vlan); + } batadv_tt_local_entry_free_ref(tt_local); } @@ -3207,8 +3227,10 @@ static void batadv_tt_local_purge_pending_clients(struct batadv_priv *bat_priv) /* decrease the reference held for this vlan */ vlan = batadv_softif_vlan_get(bat_priv, tt_common->vid); - batadv_softif_vlan_free_ref(vlan); - batadv_softif_vlan_free_ref(vlan); + if (vlan) { + batadv_softif_vlan_free_ref(vlan); + batadv_softif_vlan_free_ref(vlan); + } batadv_tt_local_entry_free_ref(tt_local); } diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 7998fb279165..92720f3fe573 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -7820,7 +7820,7 @@ void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent) /* Make sure we copy only the significant bytes based on the * encryption key size, and set the rest of the value to zeroes. */ - memcpy(ev.key.val, key->val, sizeof(key->enc_size)); + memcpy(ev.key.val, key->val, key->enc_size); memset(ev.key.val + key->enc_size, 0, sizeof(ev.key.val) - key->enc_size); diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 3d0f7d2a0616..ad82324f710f 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -2312,6 +2312,10 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level) return 1; chan = conn->smp; + if (!chan) { + BT_ERR("SMP security requested but not available"); + return 1; + } if (!hci_dev_test_flag(hcon->hdev, HCI_LE_ENABLED)) return 1; diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c index e97572b5d2cc..fa7bfced888e 100644 --- a/net/bridge/br_forward.c +++ b/net/bridge/br_forward.c @@ -37,14 +37,30 @@ static inline int should_deliver(const struct net_bridge_port *p, int br_dev_queue_push_xmit(struct sock *sk, struct sk_buff *skb) { - if (!is_skb_forwardable(skb->dev, skb)) { - kfree_skb(skb); - } else { - skb_push(skb, ETH_HLEN); - br_drop_fake_rtable(skb); - dev_queue_xmit(skb); + if (!is_skb_forwardable(skb->dev, skb)) + goto drop; + + skb_push(skb, ETH_HLEN); + br_drop_fake_rtable(skb); + skb_sender_cpu_clear(skb); + + if (skb->ip_summed == CHECKSUM_PARTIAL && + (skb->protocol == htons(ETH_P_8021Q) || + skb->protocol == htons(ETH_P_8021AD))) { + int depth; + + if (!__vlan_get_protocol(skb, skb->protocol, &depth)) + goto drop; + + skb_set_network_header(skb, depth); } + dev_queue_xmit(skb); + + return 0; + +drop: + kfree_skb(skb); return 0; } EXPORT_SYMBOL_GPL(br_dev_queue_push_xmit); diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index e29ad70b3000..c94321955db7 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -323,6 +323,7 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, struct net_bridge_port_group *p; struct net_bridge_port_group __rcu **pp; struct net_bridge_mdb_htable *mdb; + unsigned long now = jiffies; int err; mdb = mlock_dereference(br->mdb, br); @@ -347,8 +348,9 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, if (unlikely(!p)) return -ENOMEM; rcu_assign_pointer(*pp, p); + if (state == MDB_TEMPORARY) + mod_timer(&p->timer, now + br->multicast_membership_interval); - br_mdb_notify(br->dev, port, group, RTM_NEWMDB); return 0; } @@ -371,6 +373,7 @@ static int __br_mdb_add(struct net *net, struct net_bridge *br, if (!p || p->br != br || p->state == BR_STATE_DISABLED) return -EINVAL; + memset(&ip, 0, sizeof(ip)); ip.proto = entry->addr.proto; if (ip.proto == htons(ETH_P_IP)) ip.u.ip4 = entry->addr.u.ip4; @@ -417,20 +420,14 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry) if (!netif_running(br->dev) || br->multicast_disabled) return -EINVAL; + memset(&ip, 0, sizeof(ip)); ip.proto = entry->addr.proto; - if (ip.proto == htons(ETH_P_IP)) { - if (timer_pending(&br->ip4_other_query.timer)) - return -EBUSY; - + if (ip.proto == htons(ETH_P_IP)) ip.u.ip4 = entry->addr.u.ip4; #if IS_ENABLED(CONFIG_IPV6) - } else { - if (timer_pending(&br->ip6_other_query.timer)) - return -EBUSY; - + else ip.u.ip6 = entry->addr.u.ip6; #endif - } spin_lock_bh(&br->multicast_lock); mdb = mlock_dereference(br->mdb, br); @@ -448,6 +445,7 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry) if (p->port->state == BR_STATE_DISABLED) goto unlock; + entry->state = p->state; rcu_assign_pointer(*pp, p->next); hlist_del_init(&p->mglist); del_timer(&p->timer); diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 742a6c27d7a2..1285eaf5dc22 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -39,6 +39,16 @@ static void br_multicast_start_querier(struct net_bridge *br, struct bridge_mcast_own_query *query); static void br_multicast_add_router(struct net_bridge *br, struct net_bridge_port *port); +static void br_ip4_multicast_leave_group(struct net_bridge *br, + struct net_bridge_port *port, + __be32 group, + __u16 vid); +#if IS_ENABLED(CONFIG_IPV6) +static void br_ip6_multicast_leave_group(struct net_bridge *br, + struct net_bridge_port *port, + const struct in6_addr *group, + __u16 vid); +#endif unsigned int br_mdb_rehash_seq; static inline int br_ip_equal(const struct br_ip *a, const struct br_ip *b) @@ -1010,9 +1020,15 @@ static int br_ip4_multicast_igmp3_report(struct net_bridge *br, continue; } - err = br_ip4_multicast_add_group(br, port, group, vid); - if (err) - break; + if ((type == IGMPV3_CHANGE_TO_INCLUDE || + type == IGMPV3_MODE_IS_INCLUDE) && + ntohs(grec->grec_nsrcs) == 0) { + br_ip4_multicast_leave_group(br, port, group, vid); + } else { + err = br_ip4_multicast_add_group(br, port, group, vid); + if (err) + break; + } } return err; @@ -1071,10 +1087,17 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br, continue; } - err = br_ip6_multicast_add_group(br, port, &grec->grec_mca, - vid); - if (err) - break; + if ((grec->grec_type == MLD2_CHANGE_TO_INCLUDE || + grec->grec_type == MLD2_MODE_IS_INCLUDE) && + ntohs(*nsrcs) == 0) { + br_ip6_multicast_leave_group(br, port, &grec->grec_mca, + vid); + } else { + err = br_ip6_multicast_add_group(br, port, + &grec->grec_mca, vid); + if (!err) + break; + } } return err; @@ -1393,8 +1416,7 @@ br_multicast_leave_group(struct net_bridge *br, spin_lock(&br->multicast_lock); if (!netif_running(br->dev) || - (port && port->state == BR_STATE_DISABLED) || - timer_pending(&other_query->timer)) + (port && port->state == BR_STATE_DISABLED)) goto out; mdb = mlock_dereference(br->mdb, br); @@ -1402,6 +1424,31 @@ br_multicast_leave_group(struct net_bridge *br, if (!mp) goto out; + if (port && (port->flags & BR_MULTICAST_FAST_LEAVE)) { + struct net_bridge_port_group __rcu **pp; + + for (pp = &mp->ports; + (p = mlock_dereference(*pp, br)) != NULL; + pp = &p->next) { + if (p->port != port) + continue; + + rcu_assign_pointer(*pp, p->next); + hlist_del_init(&p->mglist); + del_timer(&p->timer); + call_rcu_bh(&p->rcu, br_multicast_free_pg); + br_mdb_notify(br->dev, port, group, RTM_DELMDB); + + if (!mp->ports && !mp->mglist && + netif_running(br->dev)) + mod_timer(&mp->timer, jiffies); + } + goto out; + } + + if (timer_pending(&other_query->timer)) + goto out; + if (br->multicast_querier) { __br_multicast_send_query(br, port, &mp->addr); @@ -1427,28 +1474,6 @@ br_multicast_leave_group(struct net_bridge *br, } } - if (port && (port->flags & BR_MULTICAST_FAST_LEAVE)) { - struct net_bridge_port_group __rcu **pp; - - for (pp = &mp->ports; - (p = mlock_dereference(*pp, br)) != NULL; - pp = &p->next) { - if (p->port != port) - continue; - - rcu_assign_pointer(*pp, p->next); - hlist_del_init(&p->mglist); - del_timer(&p->timer); - call_rcu_bh(&p->rcu, br_multicast_free_pg); - br_mdb_notify(br->dev, port, group, RTM_DELMDB); - - if (!mp->ports && !mp->mglist && - netif_running(br->dev)) - mod_timer(&mp->timer, jiffies); - } - goto out; - } - now = jiffies; time = now + br->multicast_last_member_count * br->multicast_last_member_interval; @@ -1566,7 +1591,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br, break; } - if (skb_trimmed) + if (skb_trimmed && skb_trimmed != skb) kfree_skb(skb_trimmed); return err; @@ -1611,7 +1636,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br, break; } - if (skb_trimmed) + if (skb_trimmed && skb_trimmed != skb) kfree_skb(skb_trimmed); return err; diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index d89f4fac0bc5..c8b9bcfe997e 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -111,7 +111,7 @@ static inline __be16 pppoe_proto(const struct sk_buff *skb) /* largest possible L2 header, see br_nf_dev_queue_xmit() */ #define NF_BRIDGE_MAX_MAC_HEADER_LENGTH (PPPOE_SES_HLEN + ETH_HLEN) -#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4) +#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4) || IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) struct brnf_frag_data { char mac[NF_BRIDGE_MAX_MAC_HEADER_LENGTH]; u8 encap_size; @@ -694,6 +694,7 @@ static int br_nf_push_frag_xmit(struct sock *sk, struct sk_buff *skb) } #endif +#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4) static int br_nf_ip_fragment(struct sock *sk, struct sk_buff *skb, int (*output)(struct sock *, struct sk_buff *)) { @@ -712,6 +713,7 @@ static int br_nf_ip_fragment(struct sock *sk, struct sk_buff *skb, return ip_do_fragment(sk, skb, output); } +#endif static unsigned int nf_bridge_mtu_reduction(const struct sk_buff *skb) { @@ -742,7 +744,7 @@ static int br_nf_dev_queue_xmit(struct sock *sk, struct sk_buff *skb) struct brnf_frag_data *data; if (br_validate_ipv4(skb)) - return NF_DROP; + goto drop; IPCB(skb)->frag_max_size = nf_bridge->frag_max_size; @@ -767,7 +769,7 @@ static int br_nf_dev_queue_xmit(struct sock *sk, struct sk_buff *skb) struct brnf_frag_data *data; if (br_validate_ipv6(skb)) - return NF_DROP; + goto drop; IP6CB(skb)->frag_max_size = nf_bridge->frag_max_size; @@ -782,12 +784,16 @@ static int br_nf_dev_queue_xmit(struct sock *sk, struct sk_buff *skb) if (v6ops) return v6ops->fragment(sk, skb, br_nf_push_frag_xmit); - else - return -EMSGSIZE; + + kfree_skb(skb); + return -EMSGSIZE; } #endif nf_bridge_info_free(skb); return br_dev_queue_push_xmit(sk, skb); + drop: + kfree_skb(skb); + return 0; } /* PF_BRIDGE/POST_ROUTING ********************************************/ diff --git a/net/bridge/br_netfilter_ipv6.c b/net/bridge/br_netfilter_ipv6.c index 6d12d2675c80..13b7d1e3d185 100644 --- a/net/bridge/br_netfilter_ipv6.c +++ b/net/bridge/br_netfilter_ipv6.c @@ -104,7 +104,7 @@ int br_validate_ipv6(struct sk_buff *skb) { const struct ipv6hdr *hdr; struct net_device *dev = skb->dev; - struct inet6_dev *idev = in6_dev_get(skb->dev); + struct inet6_dev *idev = __in6_dev_get(skb->dev); u32 pkt_len; u8 ip6h_len = sizeof(struct ipv6hdr); diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 6b67ed3831de..4d74a0639c4c 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -112,6 +112,8 @@ static inline size_t br_port_info_size(void) + nla_total_size(1) /* IFLA_BRPORT_FAST_LEAVE */ + nla_total_size(1) /* IFLA_BRPORT_LEARNING */ + nla_total_size(1) /* IFLA_BRPORT_UNICAST_FLOOD */ + + nla_total_size(1) /* IFLA_BRPORT_PROXYARP */ + + nla_total_size(1) /* IFLA_BRPORT_PROXYARP_WIFI */ + 0; } @@ -457,6 +459,8 @@ static int br_afspec(struct net_bridge *br, if (nla_len(attr) != sizeof(struct bridge_vlan_info)) return -EINVAL; vinfo = nla_data(attr); + if (!vinfo->vid || vinfo->vid >= VLAN_VID_MASK) + return -EINVAL; if (vinfo->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { if (vinfo_start) return -EINVAL; @@ -504,6 +508,8 @@ static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = { [IFLA_BRPORT_FAST_LEAVE]= { .type = NLA_U8 }, [IFLA_BRPORT_LEARNING] = { .type = NLA_U8 }, [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 }, + [IFLA_BRPORT_PROXYARP] = { .type = NLA_U8 }, + [IFLA_BRPORT_PROXYARP_WIFI] = { .type = NLA_U8 }, }; /* Change the state of the port and notify spanning tree */ @@ -691,9 +697,17 @@ static int br_port_slave_changelink(struct net_device *brdev, struct nlattr *tb[], struct nlattr *data[]) { + struct net_bridge *br = netdev_priv(brdev); + int ret; + if (!data) return 0; - return br_setport(br_port_get_rtnl(dev), data); + + spin_lock_bh(&br->lock); + ret = br_setport(br_port_get_rtnl(dev), data); + spin_unlock_bh(&br->lock); + + return ret; } static int br_port_fill_slave_info(struct sk_buff *skb, diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c index b4b6dab9c285..ed74ffaa851f 100644 --- a/net/bridge/br_stp.c +++ b/net/bridge/br_stp.c @@ -209,8 +209,9 @@ void br_transmit_config(struct net_bridge_port *p) br_send_config_bpdu(p, &bpdu); p->topology_change_ack = 0; p->config_pending = 0; - mod_timer(&p->hold_timer, - round_jiffies(jiffies + BR_HOLD_TIME)); + if (p->br->stp_enabled == BR_KERNEL_STP) + mod_timer(&p->hold_timer, + round_jiffies(jiffies + BR_HOLD_TIME)); } } diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c index a2730e7196cd..4ca449a16132 100644 --- a/net/bridge/br_stp_if.c +++ b/net/bridge/br_stp_if.c @@ -48,7 +48,8 @@ void br_stp_enable_bridge(struct net_bridge *br) struct net_bridge_port *p; spin_lock_bh(&br->lock); - mod_timer(&br->hello_timer, jiffies + br->hello_time); + if (br->stp_enabled == BR_KERNEL_STP) + mod_timer(&br->hello_timer, jiffies + br->hello_time); mod_timer(&br->gc_timer, jiffies + HZ/10); br_config_bpdu_generation(br); @@ -127,6 +128,7 @@ static void br_stp_start(struct net_bridge *br) int r; char *argv[] = { BR_STP_PROG, br->dev->name, "start", NULL }; char *envp[] = { NULL }; + struct net_bridge_port *p; r = call_usermodehelper(BR_STP_PROG, argv, envp, UMH_WAIT_PROC); @@ -140,6 +142,10 @@ static void br_stp_start(struct net_bridge *br) if (r == 0) { br->stp_enabled = BR_USER_STP; br_debug(br, "userspace STP started\n"); + /* Stop hello and hold timers */ + del_timer(&br->hello_timer); + list_for_each_entry(p, &br->port_list, list) + del_timer(&p->hold_timer); } else { br->stp_enabled = BR_KERNEL_STP; br_debug(br, "using kernel STP\n"); @@ -156,12 +162,17 @@ static void br_stp_stop(struct net_bridge *br) int r; char *argv[] = { BR_STP_PROG, br->dev->name, "stop", NULL }; char *envp[] = { NULL }; + struct net_bridge_port *p; if (br->stp_enabled == BR_USER_STP) { r = call_usermodehelper(BR_STP_PROG, argv, envp, UMH_WAIT_PROC); br_info(br, "userspace STP stopped, return code %d\n", r); /* To start timers on any ports left in blocking */ + mod_timer(&br->hello_timer, jiffies + br->hello_time); + list_for_each_entry(p, &br->port_list, list) + mod_timer(&p->hold_timer, + round_jiffies(jiffies + BR_HOLD_TIME)); spin_lock_bh(&br->lock); br_port_state_selection(br); spin_unlock_bh(&br->lock); diff --git a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c index 7caf7fae2d5b..5f0f5af0ec35 100644 --- a/net/bridge/br_stp_timer.c +++ b/net/bridge/br_stp_timer.c @@ -40,7 +40,9 @@ static void br_hello_timer_expired(unsigned long arg) if (br->dev->flags & IFF_UP) { br_config_bpdu_generation(br); - mod_timer(&br->hello_timer, round_jiffies(jiffies + br->hello_time)); + if (br->stp_enabled != BR_USER_STP) + mod_timer(&br->hello_timer, + round_jiffies(jiffies + br->hello_time)); } spin_unlock(&br->lock); } diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index 3cc71b9f5517..cc858919108e 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -121,12 +121,13 @@ static void caif_flow_ctrl(struct sock *sk, int mode) * Copied from sock.c:sock_queue_rcv_skb(), but changed so packets are * not dropped, but CAIF is sending flow off instead. */ -static int caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) +static void caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) { int err; unsigned long flags; struct sk_buff_head *list = &sk->sk_receive_queue; struct caifsock *cf_sk = container_of(sk, struct caifsock, sk); + bool queued = false; if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >= (unsigned int)sk->sk_rcvbuf && rx_flow_is_on(cf_sk)) { @@ -139,7 +140,8 @@ static int caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) err = sk_filter(sk, skb); if (err) - return err; + goto out; + if (!sk_rmem_schedule(sk, skb, skb->truesize) && rx_flow_is_on(cf_sk)) { set_rx_flow_off(cf_sk); net_dbg_ratelimited("sending flow OFF due to rmem_schedule\n"); @@ -147,21 +149,16 @@ static int caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) } skb->dev = NULL; skb_set_owner_r(skb, sk); - /* Cache the SKB length before we tack it onto the receive - * queue. Once it is added it no longer belongs to us and - * may be freed by other threads of control pulling packets - * from the queue. - */ spin_lock_irqsave(&list->lock, flags); - if (!sock_flag(sk, SOCK_DEAD)) + queued = !sock_flag(sk, SOCK_DEAD); + if (queued) __skb_queue_tail(list, skb); spin_unlock_irqrestore(&list->lock, flags); - - if (!sock_flag(sk, SOCK_DEAD)) +out: + if (queued) sk->sk_data_ready(sk); else kfree_skb(skb); - return 0; } /* Packet Receive Callback function called from CAIF Stack */ diff --git a/net/can/af_can.c b/net/can/af_can.c index 7933e62a7318..166d436196c1 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -89,6 +89,8 @@ struct timer_list can_stattimer; /* timer for statistics update */ struct s_stats can_stats; /* packet statistics */ struct s_pstats can_pstats; /* receive list statistics */ +static atomic_t skbcounter = ATOMIC_INIT(0); + /* * af_can socket functions */ @@ -310,12 +312,8 @@ int can_send(struct sk_buff *skb, int loop) return err; } - if (newskb) { - if (!(newskb->tstamp.tv64)) - __net_timestamp(newskb); - + if (newskb) netif_rx_ni(newskb); - } /* update statistics */ can_stats.tx_frames++; @@ -683,6 +681,10 @@ static void can_receive(struct sk_buff *skb, struct net_device *dev) can_stats.rx_frames++; can_stats.rx_frames_delta++; + /* create non-zero unique skb identifier together with *skb */ + while (!(can_skb_prv(skb)->skbcnt)) + can_skb_prv(skb)->skbcnt = atomic_inc_return(&skbcounter); + rcu_read_lock(); /* deliver the packet to sockets listening on all devices */ diff --git a/net/can/bcm.c b/net/can/bcm.c index b523453585be..a1ba6875c2a2 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -261,6 +261,7 @@ static void bcm_can_tx(struct bcm_op *op) can_skb_reserve(skb); can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; memcpy(skb_put(skb, CFSIZ), cf, CFSIZ); @@ -1217,6 +1218,7 @@ static int bcm_tx_send(struct msghdr *msg, int ifindex, struct sock *sk) } can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; skb->dev = dev; can_skb_set_owner(skb, sk); err = can_send(skb, 1); /* send with loopback */ diff --git a/net/can/raw.c b/net/can/raw.c index 31b9748cbb4e..2e67b1423cd3 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -75,7 +75,7 @@ MODULE_ALIAS("can-proto-1"); */ struct uniqframe { - ktime_t tstamp; + int skbcnt; const struct sk_buff *skb; unsigned int join_rx_count; }; @@ -133,7 +133,7 @@ static void raw_rcv(struct sk_buff *oskb, void *data) /* eliminate multiple filter matches for the same skb */ if (this_cpu_ptr(ro->uniq)->skb == oskb && - ktime_equal(this_cpu_ptr(ro->uniq)->tstamp, oskb->tstamp)) { + this_cpu_ptr(ro->uniq)->skbcnt == can_skb_prv(oskb)->skbcnt) { if (ro->join_filters) { this_cpu_inc(ro->uniq->join_rx_count); /* drop frame until all enabled filters matched */ @@ -144,7 +144,7 @@ static void raw_rcv(struct sk_buff *oskb, void *data) } } else { this_cpu_ptr(ro->uniq)->skb = oskb; - this_cpu_ptr(ro->uniq)->tstamp = oskb->tstamp; + this_cpu_ptr(ro->uniq)->skbcnt = can_skb_prv(oskb)->skbcnt; this_cpu_ptr(ro->uniq)->join_rx_count = 1; /* drop first frame to check all enabled filters? */ if (ro->join_filters && ro->count > 1) @@ -749,6 +749,7 @@ static int raw_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) can_skb_reserve(skb); can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; err = memcpy_from_msg(skb_put(skb, size), msg, size); if (err < 0) diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index cb7db320dd27..f30329f72641 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -9,6 +9,7 @@ #include <keys/ceph-type.h> #include <linux/module.h> #include <linux/mount.h> +#include <linux/nsproxy.h> #include <linux/parser.h> #include <linux/sched.h> #include <linux/seq_file.h> @@ -16,8 +17,6 @@ #include <linux/statfs.h> #include <linux/string.h> #include <linux/vmalloc.h> -#include <linux/nsproxy.h> -#include <net/net_namespace.h> #include <linux/ceph/ceph_features.h> @@ -131,6 +130,13 @@ int ceph_compare_options(struct ceph_options *new_opt, int i; int ret; + /* + * Don't bother comparing options if network namespaces don't + * match. + */ + if (!net_eq(current->nsproxy->net_ns, read_pnet(&client->msgr.net))) + return -1; + ret = memcmp(opt1, opt2, ofs); if (ret) return ret; @@ -335,9 +341,6 @@ ceph_parse_options(char *options, const char *dev_name, int err = -ENOMEM; substring_t argstr[MAX_OPT_ARGS]; - if (current->nsproxy->net_ns != &init_net) - return ERR_PTR(-EINVAL); - opt = kzalloc(sizeof(*opt), GFP_KERNEL); if (!opt) return ERR_PTR(-ENOMEM); @@ -608,6 +611,7 @@ struct ceph_client *ceph_create_client(struct ceph_options *opt, void *private, fail_monc: ceph_monc_stop(&client->monc); fail: + ceph_messenger_fini(&client->msgr); kfree(client); return ERR_PTR(err); } @@ -621,8 +625,8 @@ void ceph_destroy_client(struct ceph_client *client) /* unmount */ ceph_osdc_stop(&client->osdc); - ceph_monc_stop(&client->monc); + ceph_messenger_fini(&client->msgr); ceph_debugfs_client_cleanup(client); diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 1679f47280e2..e3be1d22a247 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -6,6 +6,7 @@ #include <linux/inet.h> #include <linux/kthread.h> #include <linux/net.h> +#include <linux/nsproxy.h> #include <linux/slab.h> #include <linux/socket.h> #include <linux/string.h> @@ -479,7 +480,7 @@ static int ceph_tcp_connect(struct ceph_connection *con) int ret; BUG_ON(con->sock); - ret = sock_create_kern(&init_net, con->peer_addr.in_addr.ss_family, + ret = sock_create_kern(read_pnet(&con->msgr->net), paddr->ss_family, SOCK_STREAM, IPPROTO_TCP, &sock); if (ret) return ret; @@ -1731,17 +1732,17 @@ static int verify_hello(struct ceph_connection *con) static bool addr_is_blank(struct sockaddr_storage *ss) { + struct in_addr *addr = &((struct sockaddr_in *)ss)->sin_addr; + struct in6_addr *addr6 = &((struct sockaddr_in6 *)ss)->sin6_addr; + switch (ss->ss_family) { case AF_INET: - return ((struct sockaddr_in *)ss)->sin_addr.s_addr == 0; + return addr->s_addr == htonl(INADDR_ANY); case AF_INET6: - return - ((struct sockaddr_in6 *)ss)->sin6_addr.s6_addr32[0] == 0 && - ((struct sockaddr_in6 *)ss)->sin6_addr.s6_addr32[1] == 0 && - ((struct sockaddr_in6 *)ss)->sin6_addr.s6_addr32[2] == 0 && - ((struct sockaddr_in6 *)ss)->sin6_addr.s6_addr32[3] == 0; + return ipv6_addr_any(addr6); + default: + return true; } - return false; } static int addr_port(struct sockaddr_storage *ss) @@ -2944,11 +2945,18 @@ void ceph_messenger_init(struct ceph_messenger *msgr, msgr->tcp_nodelay = tcp_nodelay; atomic_set(&msgr->stopping, 0); + write_pnet(&msgr->net, get_net(current->nsproxy->net_ns)); dout("%s %p\n", __func__, msgr); } EXPORT_SYMBOL(ceph_messenger_init); +void ceph_messenger_fini(struct ceph_messenger *msgr) +{ + put_net(read_pnet(&msgr->net)); +} +EXPORT_SYMBOL(ceph_messenger_fini); + static void clear_standby(struct ceph_connection *con) { /* come back from STANDBY? */ diff --git a/net/core/datagram.c b/net/core/datagram.c index b80fb91bb3f7..617088aee21d 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -131,6 +131,35 @@ out_noerr: goto out; } +static struct sk_buff *skb_set_peeked(struct sk_buff *skb) +{ + struct sk_buff *nskb; + + if (skb->peeked) + return skb; + + /* We have to unshare an skb before modifying it. */ + if (!skb_shared(skb)) + goto done; + + nskb = skb_clone(skb, GFP_ATOMIC); + if (!nskb) + return ERR_PTR(-ENOMEM); + + skb->prev->next = nskb; + skb->next->prev = nskb; + nskb->prev = skb->prev; + nskb->next = skb->next; + + consume_skb(skb); + skb = nskb; + +done: + skb->peeked = 1; + + return skb; +} + /** * __skb_recv_datagram - Receive a datagram skbuff * @sk: socket @@ -165,7 +194,9 @@ out_noerr: struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, int *peeked, int *off, int *err) { + struct sk_buff_head *queue = &sk->sk_receive_queue; struct sk_buff *skb, *last; + unsigned long cpu_flags; long timeo; /* * Caller is allowed not to check sk->sk_err before skb_recv_datagram() @@ -184,8 +215,6 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, * Look at current nfs client by the way... * However, this function was correct in any case. 8) */ - unsigned long cpu_flags; - struct sk_buff_head *queue = &sk->sk_receive_queue; int _off = *off; last = (struct sk_buff *)queue; @@ -199,7 +228,12 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, _off -= skb->len; continue; } - skb->peeked = 1; + + skb = skb_set_peeked(skb); + error = PTR_ERR(skb); + if (IS_ERR(skb)) + goto unlock_err; + atomic_inc(&skb->users); } else __skb_unlink(skb, queue); @@ -223,6 +257,8 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, return NULL; +unlock_err: + spin_unlock_irqrestore(&queue->lock, cpu_flags); no_packet: *err = error; return NULL; @@ -622,7 +658,8 @@ __sum16 __skb_checksum_complete_head(struct sk_buff *skb, int len) !skb->csum_complete_sw) netdev_rx_csum_fault(skb->dev); } - skb->csum_valid = !sum; + if (!skb_shared(skb)) + skb->csum_valid = !sum; return sum; } EXPORT_SYMBOL(__skb_checksum_complete_head); @@ -642,11 +679,13 @@ __sum16 __skb_checksum_complete(struct sk_buff *skb) netdev_rx_csum_fault(skb->dev); } - /* Save full packet checksum */ - skb->csum = csum; - skb->ip_summed = CHECKSUM_COMPLETE; - skb->csum_complete_sw = 1; - skb->csum_valid = !sum; + if (!skb_shared(skb)) { + /* Save full packet checksum */ + skb->csum = csum; + skb->ip_summed = CHECKSUM_COMPLETE; + skb->csum_complete_sw = 1; + skb->csum_valid = !sum; + } return sum; } diff --git a/net/core/dev.c b/net/core/dev.c index 6778a9999d52..a8e4dd430285 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -677,10 +677,6 @@ int dev_get_iflink(const struct net_device *dev) if (dev->netdev_ops && dev->netdev_ops->ndo_get_iflink) return dev->netdev_ops->ndo_get_iflink(dev); - /* If dev->rtnl_link_ops is set, it's a virtual interface. */ - if (dev->rtnl_link_ops) - return 0; - return dev->ifindex; } EXPORT_SYMBOL(dev_get_iflink); @@ -3452,6 +3448,8 @@ static int enqueue_to_backlog(struct sk_buff *skb, int cpu, local_irq_save(flags); rps_lock(sd); + if (!netif_running(skb->dev)) + goto drop; qlen = skb_queue_len(&sd->input_pkt_queue); if (qlen <= netdev_max_backlog && !skb_flow_limit(skb, qlen)) { if (qlen) { @@ -3473,6 +3471,7 @@ enqueue: goto enqueue; } +drop: sd->dropped++; rps_unlock(sd); @@ -3775,8 +3774,6 @@ static int __netif_receive_skb_core(struct sk_buff *skb, bool pfmemalloc) pt_prev = NULL; - rcu_read_lock(); - another_round: skb->skb_iif = skb->dev->ifindex; @@ -3786,7 +3783,7 @@ another_round: skb->protocol == cpu_to_be16(ETH_P_8021AD)) { skb = skb_vlan_untag(skb); if (unlikely(!skb)) - goto unlock; + goto out; } #ifdef CONFIG_NET_CLS_ACT @@ -3816,10 +3813,10 @@ skip_taps: if (static_key_false(&ingress_needed)) { skb = handle_ing(skb, &pt_prev, &ret, orig_dev); if (!skb) - goto unlock; + goto out; if (nf_ingress(skb, &pt_prev, &ret, orig_dev) < 0) - goto unlock; + goto out; } #endif #ifdef CONFIG_NET_CLS_ACT @@ -3837,7 +3834,7 @@ ncls: if (vlan_do_receive(&skb)) goto another_round; else if (unlikely(!skb)) - goto unlock; + goto out; } rx_handler = rcu_dereference(skb->dev->rx_handler); @@ -3849,7 +3846,7 @@ ncls: switch (rx_handler(&skb)) { case RX_HANDLER_CONSUMED: ret = NET_RX_SUCCESS; - goto unlock; + goto out; case RX_HANDLER_ANOTHER: goto another_round; case RX_HANDLER_EXACT: @@ -3903,8 +3900,7 @@ drop: ret = NET_RX_DROP; } -unlock: - rcu_read_unlock(); +out: return ret; } @@ -3935,29 +3931,30 @@ static int __netif_receive_skb(struct sk_buff *skb) static int netif_receive_skb_internal(struct sk_buff *skb) { + int ret; + net_timestamp_check(netdev_tstamp_prequeue, skb); if (skb_defer_rx_timestamp(skb)) return NET_RX_SUCCESS; + rcu_read_lock(); + #ifdef CONFIG_RPS if (static_key_false(&rps_needed)) { struct rps_dev_flow voidflow, *rflow = &voidflow; - int cpu, ret; - - rcu_read_lock(); - - cpu = get_rps_cpu(skb->dev, skb, &rflow); + int cpu = get_rps_cpu(skb->dev, skb, &rflow); if (cpu >= 0) { ret = enqueue_to_backlog(skb, cpu, &rflow->last_qtail); rcu_read_unlock(); return ret; } - rcu_read_unlock(); } #endif - return __netif_receive_skb(skb); + ret = __netif_receive_skb(skb); + rcu_read_unlock(); + return ret; } /** @@ -4502,8 +4499,10 @@ static int process_backlog(struct napi_struct *napi, int quota) struct sk_buff *skb; while ((skb = __skb_dequeue(&sd->process_queue))) { + rcu_read_lock(); local_irq_enable(); __netif_receive_skb(skb); + rcu_read_unlock(); local_irq_disable(); input_queue_head_incr(sd); if (++work >= quota) { @@ -6139,6 +6138,7 @@ static void rollback_registered_many(struct list_head *head) unlist_netdevice(dev); dev->reg_state = NETREG_UNREGISTERING; + on_each_cpu(flush_backlog, dev, 1); } synchronize_net(); @@ -6409,7 +6409,8 @@ static int netif_alloc_netdev_queues(struct net_device *dev) struct netdev_queue *tx; size_t sz = count * sizeof(*tx); - BUG_ON(count < 1 || count > 0xffff); + if (count < 1 || count > 0xffff) + return -EINVAL; tx = kzalloc(sz, GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT); if (!tx) { @@ -6773,8 +6774,6 @@ void netdev_run_todo(void) dev->reg_state = NETREG_UNREGISTERED; - on_each_cpu(flush_backlog, dev, 1); - netdev_wait_allrefs(dev); /* paranoia */ diff --git a/net/core/dst.c b/net/core/dst.c index e956ce6d1378..002144bea935 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -284,7 +284,9 @@ void dst_release(struct dst_entry *dst) int newrefcnt; newrefcnt = atomic_dec_return(&dst->__refcnt); - WARN_ON(newrefcnt < 0); + if (unlikely(newrefcnt < 0)) + net_warn_ratelimited("%s: dst:%p refcnt:%d\n", + __func__, dst, newrefcnt); if (unlikely(dst->flags & DST_NOCACHE) && !newrefcnt) call_rcu(&dst->rcu_head, dst_destroy_rcu); } diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c index 9dfb88a933e7..92d886f4adcb 100644 --- a/net/core/gen_estimator.c +++ b/net/core/gen_estimator.c @@ -66,7 +66,7 @@ NOTES. - * avbps is scaled by 2^5, avpps is scaled by 2^10. + * avbps and avpps are scaled by 2^5. * both values are reported as 32 bit unsigned values. bps can overflow for fast links : max speed being 34360Mbit/sec * Minimal interval is HZ/4=250msec (it is the greatest common divisor @@ -85,10 +85,10 @@ struct gen_estimator struct gnet_stats_rate_est64 *rate_est; spinlock_t *stats_lock; int ewma_log; + u32 last_packets; + unsigned long avpps; u64 last_bytes; u64 avbps; - u32 last_packets; - u32 avpps; struct rcu_head e_rcu; struct rb_node node; struct gnet_stats_basic_cpu __percpu *cpu_bstats; @@ -118,8 +118,8 @@ static void est_timer(unsigned long arg) rcu_read_lock(); list_for_each_entry_rcu(e, &elist[idx].list, list) { struct gnet_stats_basic_packed b = {0}; + unsigned long rate; u64 brate; - u32 rate; spin_lock(e->stats_lock); read_lock(&est_lock); @@ -133,10 +133,11 @@ static void est_timer(unsigned long arg) e->avbps += (brate >> e->ewma_log) - (e->avbps >> e->ewma_log); e->rate_est->bps = (e->avbps+0xF)>>5; - rate = (b.packets - e->last_packets)<<(12 - idx); + rate = b.packets - e->last_packets; + rate <<= (7 - idx); e->last_packets = b.packets; e->avpps += (rate >> e->ewma_log) - (e->avpps >> e->ewma_log); - e->rate_est->pps = (e->avpps+0x1FF)>>10; + e->rate_est->pps = (e->avpps + 0xF) >> 5; skip: read_unlock(&est_lock); spin_unlock(e->stats_lock); diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c index 1f2a126f4ffa..6441f47b1a8f 100644 --- a/net/core/netclassid_cgroup.c +++ b/net/core/netclassid_cgroup.c @@ -23,7 +23,8 @@ static inline struct cgroup_cls_state *css_cls_state(struct cgroup_subsys_state struct cgroup_cls_state *task_cls_state(struct task_struct *p) { - return css_cls_state(task_css(p, net_cls_cgrp_id)); + return css_cls_state(task_css_check(p, net_cls_cgrp_id, + rcu_read_lock_bh_held())); } EXPORT_SYMBOL_GPL(task_cls_state); diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 05badbb58865..1cbd209192ea 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -3514,8 +3514,6 @@ static int pktgen_thread_worker(void *arg) set_freezable(); - __set_current_state(TASK_RUNNING); - while (!kthread_should_stop()) { pkt_dev = next_to_run(t); @@ -3560,7 +3558,6 @@ static int pktgen_thread_worker(void *arg) try_to_freeze(); } - set_current_state(TASK_INTERRUPTIBLE); pr_debug("%s stopping all device\n", t->tsk->comm); pktgen_stop(t); @@ -3571,13 +3568,6 @@ static int pktgen_thread_worker(void *arg) pr_debug("%s removing thread\n", t->tsk->comm); pktgen_rem_thread(t); - /* Wait for kthread_stop */ - while (!kthread_should_stop()) { - set_current_state(TASK_INTERRUPTIBLE); - schedule(); - } - __set_current_state(TASK_RUNNING); - return 0; } @@ -3769,6 +3759,7 @@ static int __net_init pktgen_create_thread(int cpu, struct pktgen_net *pn) } t->net = pn; + get_task_struct(p); wake_up_process(p); wait_for_completion(&t->start_done); @@ -3891,6 +3882,7 @@ static void __net_exit pg_net_exit(struct net *net) t = list_entry(q, struct pktgen_thread, th_list); list_del(&t->th_list); kthread_stop(t->tsk); + put_task_struct(t->tsk); kfree(t); } diff --git a/net/core/request_sock.c b/net/core/request_sock.c index 87b22c0bc08c..b42f0e26f89e 100644 --- a/net/core/request_sock.c +++ b/net/core/request_sock.c @@ -103,10 +103,16 @@ void reqsk_queue_destroy(struct request_sock_queue *queue) spin_lock_bh(&queue->syn_wait_lock); while ((req = lopt->syn_table[i]) != NULL) { lopt->syn_table[i] = req->dl_next; + /* Because of following del_timer_sync(), + * we must release the spinlock here + * or risk a dead lock. + */ + spin_unlock_bh(&queue->syn_wait_lock); atomic_inc(&lopt->qlen_dec); - if (del_timer(&req->rsk_timer)) + if (del_timer_sync(&req->rsk_timer)) reqsk_put(req); reqsk_put(req); + spin_lock_bh(&queue->syn_wait_lock); } spin_unlock_bh(&queue->syn_wait_lock); } diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 01ced4a889e0..dc004b1e1f85 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1328,10 +1328,6 @@ static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = { [IFLA_INFO_SLAVE_DATA] = { .type = NLA_NESTED }, }; -static const struct nla_policy ifla_vfinfo_policy[IFLA_VF_INFO_MAX+1] = { - [IFLA_VF_INFO] = { .type = NLA_NESTED }, -}; - static const struct nla_policy ifla_vf_policy[IFLA_VF_MAX+1] = { [IFLA_VF_MAC] = { .len = sizeof(struct ifla_vf_mac) }, [IFLA_VF_VLAN] = { .len = sizeof(struct ifla_vf_vlan) }, @@ -1488,96 +1484,98 @@ static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[]) return 0; } -static int do_setvfinfo(struct net_device *dev, struct nlattr *attr) +static int do_setvfinfo(struct net_device *dev, struct nlattr **tb) { - int rem, err = -EINVAL; - struct nlattr *vf; const struct net_device_ops *ops = dev->netdev_ops; + int err = -EINVAL; - nla_for_each_nested(vf, attr, rem) { - switch (nla_type(vf)) { - case IFLA_VF_MAC: { - struct ifla_vf_mac *ivm; - ivm = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_mac) - err = ops->ndo_set_vf_mac(dev, ivm->vf, - ivm->mac); - break; - } - case IFLA_VF_VLAN: { - struct ifla_vf_vlan *ivv; - ivv = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_vlan) - err = ops->ndo_set_vf_vlan(dev, ivv->vf, - ivv->vlan, - ivv->qos); - break; - } - case IFLA_VF_TX_RATE: { - struct ifla_vf_tx_rate *ivt; - struct ifla_vf_info ivf; - ivt = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_get_vf_config) - err = ops->ndo_get_vf_config(dev, ivt->vf, - &ivf); - if (err) - break; - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_rate) - err = ops->ndo_set_vf_rate(dev, ivt->vf, - ivf.min_tx_rate, - ivt->rate); - break; - } - case IFLA_VF_RATE: { - struct ifla_vf_rate *ivt; - ivt = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_rate) - err = ops->ndo_set_vf_rate(dev, ivt->vf, - ivt->min_tx_rate, - ivt->max_tx_rate); - break; - } - case IFLA_VF_SPOOFCHK: { - struct ifla_vf_spoofchk *ivs; - ivs = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_spoofchk) - err = ops->ndo_set_vf_spoofchk(dev, ivs->vf, - ivs->setting); - break; - } - case IFLA_VF_LINK_STATE: { - struct ifla_vf_link_state *ivl; - ivl = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_link_state) - err = ops->ndo_set_vf_link_state(dev, ivl->vf, - ivl->link_state); - break; - } - case IFLA_VF_RSS_QUERY_EN: { - struct ifla_vf_rss_query_en *ivrssq_en; + if (tb[IFLA_VF_MAC]) { + struct ifla_vf_mac *ivm = nla_data(tb[IFLA_VF_MAC]); - ivrssq_en = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_rss_query_en) - err = ops->ndo_set_vf_rss_query_en(dev, - ivrssq_en->vf, - ivrssq_en->setting); - break; - } - default: - err = -EINVAL; - break; - } - if (err) - break; + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_mac) + err = ops->ndo_set_vf_mac(dev, ivm->vf, + ivm->mac); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_VLAN]) { + struct ifla_vf_vlan *ivv = nla_data(tb[IFLA_VF_VLAN]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_vlan) + err = ops->ndo_set_vf_vlan(dev, ivv->vf, ivv->vlan, + ivv->qos); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_TX_RATE]) { + struct ifla_vf_tx_rate *ivt = nla_data(tb[IFLA_VF_TX_RATE]); + struct ifla_vf_info ivf; + + err = -EOPNOTSUPP; + if (ops->ndo_get_vf_config) + err = ops->ndo_get_vf_config(dev, ivt->vf, &ivf); + if (err < 0) + return err; + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_rate) + err = ops->ndo_set_vf_rate(dev, ivt->vf, + ivf.min_tx_rate, + ivt->rate); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_RATE]) { + struct ifla_vf_rate *ivt = nla_data(tb[IFLA_VF_RATE]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_rate) + err = ops->ndo_set_vf_rate(dev, ivt->vf, + ivt->min_tx_rate, + ivt->max_tx_rate); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_SPOOFCHK]) { + struct ifla_vf_spoofchk *ivs = nla_data(tb[IFLA_VF_SPOOFCHK]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_spoofchk) + err = ops->ndo_set_vf_spoofchk(dev, ivs->vf, + ivs->setting); + if (err < 0) + return err; } + + if (tb[IFLA_VF_LINK_STATE]) { + struct ifla_vf_link_state *ivl = nla_data(tb[IFLA_VF_LINK_STATE]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_link_state) + err = ops->ndo_set_vf_link_state(dev, ivl->vf, + ivl->link_state); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_RSS_QUERY_EN]) { + struct ifla_vf_rss_query_en *ivrssq_en; + + err = -EOPNOTSUPP; + ivrssq_en = nla_data(tb[IFLA_VF_RSS_QUERY_EN]); + if (ops->ndo_set_vf_rss_query_en) + err = ops->ndo_set_vf_rss_query_en(dev, ivrssq_en->vf, + ivrssq_en->setting); + if (err < 0) + return err; + } + return err; } @@ -1773,14 +1771,21 @@ static int do_setlink(const struct sk_buff *skb, } if (tb[IFLA_VFINFO_LIST]) { + struct nlattr *vfinfo[IFLA_VF_MAX + 1]; struct nlattr *attr; int rem; + nla_for_each_nested(attr, tb[IFLA_VFINFO_LIST], rem) { - if (nla_type(attr) != IFLA_VF_INFO) { + if (nla_type(attr) != IFLA_VF_INFO || + nla_len(attr) < NLA_HDRLEN) { err = -EINVAL; goto errout; } - err = do_setvfinfo(dev, attr); + err = nla_parse_nested(vfinfo, IFLA_VF_MAX, attr, + ifla_vf_policy); + if (err < 0) + goto errout; + err = do_setvfinfo(dev, vfinfo); if (err < 0) goto errout; status |= DO_SETLINK_NOTIFY; @@ -1799,10 +1804,13 @@ static int do_setlink(const struct sk_buff *skb, goto errout; nla_for_each_nested(attr, tb[IFLA_VF_PORTS], rem) { - if (nla_type(attr) != IFLA_VF_PORT) - continue; - err = nla_parse_nested(port, IFLA_PORT_MAX, - attr, ifla_port_policy); + if (nla_type(attr) != IFLA_VF_PORT || + nla_len(attr) < NLA_HDRLEN) { + err = -EINVAL; + goto errout; + } + err = nla_parse_nested(port, IFLA_PORT_MAX, attr, + ifla_port_policy); if (err < 0) goto errout; if (!port[IFLA_PORT_VF]) { diff --git a/net/core/skbuff.c b/net/core/skbuff.c index b6a19ca0f99e..7b84330e5d30 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -340,7 +340,7 @@ struct sk_buff *build_skb(void *data, unsigned int frag_size) if (skb && frag_size) { skb->head_frag = 1; - if (virt_to_head_page(data)->pfmemalloc) + if (page_is_pfmemalloc(virt_to_head_page(data))) skb->pfmemalloc = 1; } return skb; @@ -4022,8 +4022,8 @@ EXPORT_SYMBOL(skb_checksum_setup); * Otherwise returns the provided skb. Returns NULL in error cases * (e.g. transport_len exceeds skb length or out-of-memory). * - * Caller needs to set the skb transport header and release the returned skb. - * Provided skb is consumed. + * Caller needs to set the skb transport header and free any returned skb if it + * differs from the provided skb. */ static struct sk_buff *skb_checksum_maybe_trim(struct sk_buff *skb, unsigned int transport_len) @@ -4032,16 +4032,12 @@ static struct sk_buff *skb_checksum_maybe_trim(struct sk_buff *skb, unsigned int len = skb_transport_offset(skb) + transport_len; int ret; - if (skb->len < len) { - kfree_skb(skb); + if (skb->len < len) return NULL; - } else if (skb->len == len) { + else if (skb->len == len) return skb; - } skb_chk = skb_clone(skb, GFP_ATOMIC); - kfree_skb(skb); - if (!skb_chk) return NULL; @@ -4066,8 +4062,8 @@ static struct sk_buff *skb_checksum_maybe_trim(struct sk_buff *skb, * If the skb has data beyond the given transport length, then a * trimmed & cloned skb is checked and returned. * - * Caller needs to set the skb transport header and release the returned skb. - * Provided skb is consumed. + * Caller needs to set the skb transport header and free any returned skb if it + * differs from the provided skb. */ struct sk_buff *skb_checksum_trimmed(struct sk_buff *skb, unsigned int transport_len, @@ -4079,23 +4075,26 @@ struct sk_buff *skb_checksum_trimmed(struct sk_buff *skb, skb_chk = skb_checksum_maybe_trim(skb, transport_len); if (!skb_chk) - return NULL; + goto err; - if (!pskb_may_pull(skb_chk, offset)) { - kfree_skb(skb_chk); - return NULL; - } + if (!pskb_may_pull(skb_chk, offset)) + goto err; __skb_pull(skb_chk, offset); ret = skb_chkf(skb_chk); __skb_push(skb_chk, offset); - if (ret) { - kfree_skb(skb_chk); - return NULL; - } + if (ret) + goto err; return skb_chk; + +err: + if (skb_chk && skb_chk != skb) + kfree_skb(skb_chk); + + return NULL; + } EXPORT_SYMBOL(skb_checksum_trimmed); diff --git a/net/core/sock.c b/net/core/sock.c index 08f16db46070..193901d09757 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1497,7 +1497,8 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority) sock_copy(newsk, sk); /* SANITY */ - get_net(sock_net(newsk)); + if (likely(newsk->sk_net_refcnt)) + get_net(sock_net(newsk)); sk_node_init(&newsk->sk_node); sock_lock_init(newsk); bh_lock_sock(newsk); @@ -1967,20 +1968,21 @@ static void __release_sock(struct sock *sk) * sk_wait_data - wait for data to arrive at sk_receive_queue * @sk: sock to wait on * @timeo: for how long + * @skb: last skb seen on sk_receive_queue * * Now socket state including sk->sk_err is changed only under lock, * hence we may omit checks after joining wait queue. * We check receive queue before schedule() only as optimization; * it is very likely that release_sock() added new data. */ -int sk_wait_data(struct sock *sk, long *timeo) +int sk_wait_data(struct sock *sk, long *timeo, const struct sk_buff *skb) { int rc; DEFINE_WAIT(wait); prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); - rc = sk_wait_event(sk, timeo, !skb_queue_empty(&sk->sk_receive_queue)); + rc = sk_wait_event(sk, timeo, skb_peek_tail(&sk->sk_receive_queue) != skb); clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); finish_wait(sk_sleep(sk), &wait); return rc; diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 52a94016526d..b5cf13a28009 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -886,7 +886,7 @@ verify_sock_status: break; } - sk_wait_data(sk, &timeo); + sk_wait_data(sk, &timeo, NULL); continue; found_ok_skb: if (len > skb->len) diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 392e29a0227d..b445d492c115 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -630,7 +630,7 @@ static int dsa_of_probe(struct device *dev) continue; cd->sw_addr = be32_to_cpup(sw_addr); - if (cd->sw_addr > PHY_MAX_ADDR) + if (cd->sw_addr >= PHY_MAX_ADDR) continue; if (!of_property_read_u32(child, "eeprom-length", &eeprom_len)) @@ -642,6 +642,8 @@ static int dsa_of_probe(struct device *dev) continue; port_index = be32_to_cpup(port_reg); + if (port_index >= DSA_MAX_PORTS) + break; port_name = of_get_property(port, "label", NULL); if (!port_name) @@ -666,8 +668,6 @@ static int dsa_of_probe(struct device *dev) goto out_free_chip; } - if (port_index == DSA_MAX_PORTS) - break; } } diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 0917123790ea..35c47ddd04f0 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -756,7 +756,8 @@ static int dsa_slave_phy_connect(struct dsa_slave_priv *p, return -ENODEV; /* Use already configured phy mode */ - p->phy_interface = p->phy->interface; + if (p->phy_interface == PHY_INTERFACE_MODE_NA) + p->phy_interface = p->phy->interface; phy_connect_direct(slave_dev, p->phy, dsa_slave_adjust_link, p->phy_interface); diff --git a/net/ieee802154/6lowpan/reassembly.c b/net/ieee802154/6lowpan/reassembly.c index f46e4d1306f2..214d44aef35b 100644 --- a/net/ieee802154/6lowpan/reassembly.c +++ b/net/ieee802154/6lowpan/reassembly.c @@ -207,7 +207,7 @@ found: } else { fq->q.meat += skb->len; } - add_frag_mem_limit(&fq->q, skb->truesize); + add_frag_mem_limit(fq->q.net, skb->truesize); if (fq->q.flags == (INET_FRAG_FIRST_IN | INET_FRAG_LAST_IN) && fq->q.meat == fq->q.len) { @@ -287,7 +287,7 @@ static int lowpan_frag_reasm(struct lowpan_frag_queue *fq, struct sk_buff *prev, clone->data_len = clone->len; head->data_len -= clone->len; head->len -= clone->len; - add_frag_mem_limit(&fq->q, clone->truesize); + add_frag_mem_limit(fq->q.net, clone->truesize); } WARN_ON(head == NULL); @@ -310,7 +310,7 @@ static int lowpan_frag_reasm(struct lowpan_frag_queue *fq, struct sk_buff *prev, } fp = next; } - sub_frag_mem_limit(&fq->q, sum_truesize); + sub_frag_mem_limit(fq->q.net, sum_truesize); head->next = NULL; head->dev = dev; diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index 933a92820d26..6c8b1fbafce8 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -1017,14 +1017,16 @@ static int arp_req_get(struct arpreq *r, struct net_device *dev) neigh = neigh_lookup(&arp_tbl, &ip, dev); if (neigh) { - read_lock_bh(&neigh->lock); - memcpy(r->arp_ha.sa_data, neigh->ha, dev->addr_len); - r->arp_flags = arp_state_to_flags(neigh); - read_unlock_bh(&neigh->lock); - r->arp_ha.sa_family = dev->type; - strlcpy(r->arp_dev, dev->name, sizeof(r->arp_dev)); + if (!(neigh->nud_state & NUD_NOARP)) { + read_lock_bh(&neigh->lock); + memcpy(r->arp_ha.sa_data, neigh->ha, dev->addr_len); + r->arp_flags = arp_state_to_flags(neigh); + read_unlock_bh(&neigh->lock); + r->arp_ha.sa_family = dev->type; + strlcpy(r->arp_dev, dev->name, sizeof(r->arp_dev)); + err = 0; + } neigh_release(neigh); - err = 0; } return err; } diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c index 90c0e8386116..574fad9cca05 100644 --- a/net/ipv4/datagram.c +++ b/net/ipv4/datagram.c @@ -20,7 +20,7 @@ #include <net/route.h> #include <net/tcp_states.h> -int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) +int __ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) { struct inet_sock *inet = inet_sk(sk); struct sockaddr_in *usin = (struct sockaddr_in *) uaddr; @@ -39,8 +39,6 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) sk_dst_reset(sk); - lock_sock(sk); - oif = sk->sk_bound_dev_if; saddr = inet->inet_saddr; if (ipv4_is_multicast(usin->sin_addr.s_addr)) { @@ -82,9 +80,19 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) sk_dst_set(sk, &rt->dst); err = 0; out: - release_sock(sk); return err; } +EXPORT_SYMBOL(__ip4_datagram_connect); + +int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) +{ + int res; + + lock_sock(sk); + res = __ip4_datagram_connect(sk, uaddr, addr_len); + release_sock(sk); + return res; +} EXPORT_SYMBOL(ip4_datagram_connect); /* Because UDP xmit path can manipulate sk_dst_cache without holding diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 7498716e8f54..2d9cb1748f81 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -882,7 +882,6 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh) queue_delayed_work(system_power_efficient_wq, &check_lifetime_work, 0); rtmsg_ifa(RTM_NEWADDR, ifa, nlh, NETLINK_CB(skb).portid); - blocking_notifier_call_chain(&inetaddr_chain, NETDEV_UP, ifa); } return 0; } @@ -1740,6 +1739,8 @@ static int inet_netconf_msgsize_devconf(int type) size += nla_total_size(4); if (type == -1 || type == NETCONFA_PROXY_NEIGH) size += nla_total_size(4); + if (type == -1 || type == NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN) + size += nla_total_size(4); return size; } @@ -1780,6 +1781,10 @@ static int inet_netconf_fill_devconf(struct sk_buff *skb, int ifindex, nla_put_s32(skb, NETCONFA_PROXY_NEIGH, IPV4_DEVCONF(*devconf, PROXY_ARP)) < 0) goto nla_put_failure; + if ((type == -1 || type == NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN) && + nla_put_s32(skb, NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN, + IPV4_DEVCONF(*devconf, IGNORE_ROUTES_WITH_LINKDOWN)) < 0) + goto nla_put_failure; nlmsg_end(skb, nlh); return 0; @@ -1819,6 +1824,7 @@ static const struct nla_policy devconf_ipv4_policy[NETCONFA_MAX+1] = { [NETCONFA_FORWARDING] = { .len = sizeof(int) }, [NETCONFA_RP_FILTER] = { .len = sizeof(int) }, [NETCONFA_PROXY_NEIGH] = { .len = sizeof(int) }, + [NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN] = { .len = sizeof(int) }, }; static int inet_netconf_get_devconf(struct sk_buff *in_skb, @@ -2048,6 +2054,12 @@ static int devinet_conf_proc(struct ctl_table *ctl, int write, inet_netconf_notify_devconf(net, NETCONFA_PROXY_NEIGH, ifindex, cnf); } + if (i == IPV4_DEVCONF_IGNORE_ROUTES_WITH_LINKDOWN - 1 && + new_value != old_value) { + ifindex = devinet_conf_ifindex(net, cnf); + inet_netconf_notify_devconf(net, NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN, + ifindex, cnf); + } } return ret; diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h index c6211ed60b03..9c02920725db 100644 --- a/net/ipv4/fib_lookup.h +++ b/net/ipv4/fib_lookup.h @@ -13,6 +13,7 @@ struct fib_alias { u8 fa_state; u8 fa_slen; u32 tb_id; + s16 fa_default; struct rcu_head rcu; }; diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index c7358ea4ae93..3a06586b170c 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -1202,23 +1202,40 @@ int fib_sync_down_dev(struct net_device *dev, unsigned long event) } /* Must be invoked inside of an RCU protected region. */ -void fib_select_default(struct fib_result *res) +void fib_select_default(const struct flowi4 *flp, struct fib_result *res) { struct fib_info *fi = NULL, *last_resort = NULL; struct hlist_head *fa_head = res->fa_head; struct fib_table *tb = res->table; + u8 slen = 32 - res->prefixlen; int order = -1, last_idx = -1; - struct fib_alias *fa; + struct fib_alias *fa, *fa1 = NULL; + u32 last_prio = res->fi->fib_priority; + u8 last_tos = 0; hlist_for_each_entry_rcu(fa, fa_head, fa_list) { struct fib_info *next_fi = fa->fa_info; + if (fa->fa_slen != slen) + continue; + if (fa->fa_tos && fa->fa_tos != flp->flowi4_tos) + continue; + if (fa->tb_id != tb->tb_id) + continue; + if (next_fi->fib_priority > last_prio && + fa->fa_tos == last_tos) { + if (last_tos) + continue; + break; + } + if (next_fi->fib_flags & RTNH_F_DEAD) + continue; + last_tos = fa->fa_tos; + last_prio = next_fi->fib_priority; + if (next_fi->fib_scope != res->scope || fa->fa_type != RTN_UNICAST) continue; - - if (next_fi->fib_priority > res->fi->fib_priority) - break; if (!next_fi->fib_nh[0].nh_gw || next_fi->fib_nh[0].nh_scope != RT_SCOPE_LINK) continue; @@ -1228,10 +1245,11 @@ void fib_select_default(struct fib_result *res) if (!fi) { if (next_fi != res->fi) break; + fa1 = fa; } else if (!fib_detect_death(fi, order, &last_resort, - &last_idx, tb->tb_default)) { + &last_idx, fa1->fa_default)) { fib_result_assign(res, fi); - tb->tb_default = order; + fa1->fa_default = order; goto out; } fi = next_fi; @@ -1239,20 +1257,21 @@ void fib_select_default(struct fib_result *res) } if (order <= 0 || !fi) { - tb->tb_default = -1; + if (fa1) + fa1->fa_default = -1; goto out; } if (!fib_detect_death(fi, order, &last_resort, &last_idx, - tb->tb_default)) { + fa1->fa_default)) { fib_result_assign(res, fi); - tb->tb_default = order; + fa1->fa_default = order; goto out; } if (last_idx >= 0) fib_result_assign(res, last_resort); - tb->tb_default = last_idx; + fa1->fa_default = last_idx; out: return; } diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 15d32612e3c6..b0c6258ffb79 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1171,6 +1171,7 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg) new_fa->fa_state = state & ~FA_S_ACCESSED; new_fa->fa_slen = fa->fa_slen; new_fa->tb_id = tb->tb_id; + new_fa->fa_default = -1; err = switchdev_fib_ipv4_add(key, plen, fi, new_fa->fa_tos, @@ -1222,6 +1223,7 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg) new_fa->fa_state = 0; new_fa->fa_slen = slen; new_fa->tb_id = tb->tb_id; + new_fa->fa_default = -1; /* (Optionally) offload fib entry to switch hardware. */ err = switchdev_fib_ipv4_add(key, plen, fi, tos, cfg->fc_type, @@ -1791,8 +1793,6 @@ void fib_table_flush_external(struct fib_table *tb) if (hlist_empty(&n->leaf)) { put_child_root(pn, n->key, NULL); node_free(n); - } else { - leaf_pull_suffix(pn, n); } } } @@ -1862,8 +1862,6 @@ int fib_table_flush(struct fib_table *tb) if (hlist_empty(&n->leaf)) { put_child_root(pn, n->key, NULL); node_free(n); - } else { - leaf_pull_suffix(pn, n); } } @@ -1990,7 +1988,6 @@ struct fib_table *fib_trie_table(u32 id, struct fib_table *alias) return NULL; tb->tb_id = id; - tb->tb_default = -1; tb->tb_num_default = 0; tb->tb_data = (alias ? alias->__data : tb->__data); @@ -2468,7 +2465,7 @@ static struct key_vector *fib_route_get_idx(struct fib_route_iter *iter, key = l->key + 1; iter->pos++; - if (pos-- <= 0) + if (--pos <= 0) break; l = NULL; diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 651cdf648ec4..9fdfd9deac11 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -1435,33 +1435,35 @@ static int __ip_mc_check_igmp(struct sk_buff *skb, struct sk_buff **skb_trimmed) struct sk_buff *skb_chk; unsigned int transport_len; unsigned int len = skb_transport_offset(skb) + sizeof(struct igmphdr); - int ret; + int ret = -EINVAL; transport_len = ntohs(ip_hdr(skb)->tot_len) - ip_hdrlen(skb); - skb_get(skb); skb_chk = skb_checksum_trimmed(skb, transport_len, ip_mc_validate_checksum); if (!skb_chk) - return -EINVAL; + goto err; - if (!pskb_may_pull(skb_chk, len)) { - kfree_skb(skb_chk); - return -EINVAL; - } + if (!pskb_may_pull(skb_chk, len)) + goto err; ret = ip_mc_check_igmp_msg(skb_chk); - if (ret) { - kfree_skb(skb_chk); - return ret; - } + if (ret) + goto err; if (skb_trimmed) *skb_trimmed = skb_chk; - else + /* free now unneeded clone */ + else if (skb_chk != skb) kfree_skb(skb_chk); - return 0; + ret = 0; + +err: + if (ret && skb_chk && skb_chk != skb) + kfree_skb(skb_chk); + + return ret; } /** @@ -1470,7 +1472,7 @@ static int __ip_mc_check_igmp(struct sk_buff *skb, struct sk_buff **skb_trimmed) * @skb_trimmed: to store an skb pointer trimmed to IPv4 packet tail (optional) * * Checks whether an IPv4 packet is a valid IGMP packet. If so sets - * skb network and transport headers accordingly and returns zero. + * skb transport header accordingly and returns zero. * * -EINVAL: A broken packet was detected, i.e. it violates some internet * standard @@ -1485,7 +1487,8 @@ static int __ip_mc_check_igmp(struct sk_buff *skb, struct sk_buff **skb_trimmed) * to leave the original skb and its full frame unchanged (which might be * desirable for layer 2 frame jugglers). * - * The caller needs to release a reference count from any returned skb_trimmed. + * Caller needs to set the skb network header and free any returned skb if it + * differs from the provided skb. */ int ip_mc_check_igmp(struct sk_buff *skb, struct sk_buff **skb_trimmed) { diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 60021d0d9326..134957159c27 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -593,7 +593,7 @@ static bool reqsk_queue_unlink(struct request_sock_queue *queue, } spin_unlock(&queue->syn_wait_lock); - if (del_timer(&req->rsk_timer)) + if (timer_pending(&req->rsk_timer) && del_timer_sync(&req->rsk_timer)) reqsk_put(req); return found; } diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 9bc26677058e..c3b1f3a0f4cf 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -152,8 +152,8 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, inet6_sk(sk)->tclass) < 0) goto errout; - if (ipv6_only_sock(sk) && - nla_put_u8(skb, INET_DIAG_SKV6ONLY, 1)) + if (((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE)) && + nla_put_u8(skb, INET_DIAG_SKV6ONLY, ipv6_only_sock(sk))) goto errout; } #endif diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c index 5e346a082e5f..d0a7c0319e3d 100644 --- a/net/ipv4/inet_fragment.c +++ b/net/ipv4/inet_fragment.c @@ -131,34 +131,22 @@ inet_evict_bucket(struct inet_frags *f, struct inet_frag_bucket *hb) unsigned int evicted = 0; HLIST_HEAD(expired); -evict_again: spin_lock(&hb->chain_lock); hlist_for_each_entry_safe(fq, n, &hb->chain, list) { if (!inet_fragq_should_evict(fq)) continue; - if (!del_timer(&fq->timer)) { - /* q expiring right now thus increment its refcount so - * it won't be freed under us and wait until the timer - * has finished executing then destroy it - */ - atomic_inc(&fq->refcnt); - spin_unlock(&hb->chain_lock); - del_timer_sync(&fq->timer); - inet_frag_put(fq, f); - goto evict_again; - } + if (!del_timer(&fq->timer)) + continue; - fq->flags |= INET_FRAG_EVICTED; - hlist_del(&fq->list); - hlist_add_head(&fq->list, &expired); + hlist_add_head(&fq->list_evictor, &expired); ++evicted; } spin_unlock(&hb->chain_lock); - hlist_for_each_entry_safe(fq, n, &expired, list) + hlist_for_each_entry_safe(fq, n, &expired, list_evictor) f->frag_expire((unsigned long) fq); return evicted; @@ -240,18 +228,20 @@ void inet_frags_exit_net(struct netns_frags *nf, struct inet_frags *f) int i; nf->low_thresh = 0; - local_bh_disable(); evict_again: + local_bh_disable(); seq = read_seqbegin(&f->rnd_seqlock); for (i = 0; i < INETFRAGS_HASHSZ ; i++) inet_evict_bucket(f, &f->hash[i]); - if (read_seqretry(&f->rnd_seqlock, seq)) - goto evict_again; - local_bh_enable(); + cond_resched(); + + if (read_seqretry(&f->rnd_seqlock, seq) || + percpu_counter_sum(&nf->mem)) + goto evict_again; percpu_counter_destroy(&nf->mem); } @@ -284,8 +274,8 @@ static inline void fq_unlink(struct inet_frag_queue *fq, struct inet_frags *f) struct inet_frag_bucket *hb; hb = get_frag_bucket_locked(fq, f); - if (!(fq->flags & INET_FRAG_EVICTED)) - hlist_del(&fq->list); + hlist_del(&fq->list); + fq->flags |= INET_FRAG_COMPLETE; spin_unlock(&hb->chain_lock); } @@ -297,7 +287,6 @@ void inet_frag_kill(struct inet_frag_queue *fq, struct inet_frags *f) if (!(fq->flags & INET_FRAG_COMPLETE)) { fq_unlink(fq, f); atomic_dec(&fq->refcnt); - fq->flags |= INET_FRAG_COMPLETE; } } EXPORT_SYMBOL(inet_frag_kill); @@ -330,11 +319,12 @@ void inet_frag_destroy(struct inet_frag_queue *q, struct inet_frags *f) fp = xp; } sum = sum_truesize + f->qsize; - sub_frag_mem_limit(q, sum); if (f->destructor) f->destructor(q); kmem_cache_free(f->frags_cachep, q); + + sub_frag_mem_limit(nf, sum); } EXPORT_SYMBOL(inet_frag_destroy); @@ -390,7 +380,7 @@ static struct inet_frag_queue *inet_frag_alloc(struct netns_frags *nf, q->net = nf; f->constructor(q, arg); - add_frag_mem_limit(q, f->qsize); + add_frag_mem_limit(nf, f->qsize); setup_timer(&q->timer, f->frag_expire, (unsigned long)q); spin_lock_init(&q->lock); diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 5f9b063bbe8a..0cb9165421d4 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -624,22 +624,21 @@ EXPORT_SYMBOL_GPL(inet_hashinfo_init); int inet_ehash_locks_alloc(struct inet_hashinfo *hashinfo) { + unsigned int locksz = sizeof(spinlock_t); unsigned int i, nblocks = 1; - if (sizeof(spinlock_t) != 0) { + if (locksz != 0) { /* allocate 2 cache lines or at least one spinlock per cpu */ - nblocks = max_t(unsigned int, - 2 * L1_CACHE_BYTES / sizeof(spinlock_t), - 1); + nblocks = max(2U * L1_CACHE_BYTES / locksz, 1U); nblocks = roundup_pow_of_two(nblocks * num_possible_cpus()); /* no more locks than number of hash buckets */ nblocks = min(nblocks, hashinfo->ehash_mask + 1); - hashinfo->ehash_locks = kmalloc_array(nblocks, sizeof(spinlock_t), + hashinfo->ehash_locks = kmalloc_array(nblocks, locksz, GFP_KERNEL | __GFP_NOWARN); if (!hashinfo->ehash_locks) - hashinfo->ehash_locks = vmalloc(nblocks * sizeof(spinlock_t)); + hashinfo->ehash_locks = vmalloc(nblocks * locksz); if (!hashinfo->ehash_locks) return -ENOMEM; diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index a50dc6d408d1..921138f6c97c 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -202,7 +202,7 @@ static void ip_expire(unsigned long arg) ipq_kill(qp); IP_INC_STATS_BH(net, IPSTATS_MIB_REASMFAILS); - if (!(qp->q.flags & INET_FRAG_EVICTED)) { + if (!inet_frag_evicting(&qp->q)) { struct sk_buff *head = qp->q.fragments; const struct iphdr *iph; int err; @@ -309,7 +309,7 @@ static int ip_frag_reinit(struct ipq *qp) kfree_skb(fp); fp = xp; } while (fp); - sub_frag_mem_limit(&qp->q, sum_truesize); + sub_frag_mem_limit(qp->q.net, sum_truesize); qp->q.flags = 0; qp->q.len = 0; @@ -351,7 +351,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) ihl = ip_hdrlen(skb); /* Determine the position of this fragment. */ - end = offset + skb->len - ihl; + end = offset + skb->len - skb_network_offset(skb) - ihl; err = -EINVAL; /* Is this the final fragment? */ @@ -381,7 +381,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) goto err; err = -ENOMEM; - if (!pskb_pull(skb, ihl)) + if (!pskb_pull(skb, skb_network_offset(skb) + ihl)) goto err; err = pskb_trim_rcsum(skb, end - offset); @@ -455,7 +455,7 @@ found: qp->q.fragments = next; qp->q.meat -= free_it->len; - sub_frag_mem_limit(&qp->q, free_it->truesize); + sub_frag_mem_limit(qp->q.net, free_it->truesize); kfree_skb(free_it); } } @@ -479,7 +479,7 @@ found: qp->q.stamp = skb->tstamp; qp->q.meat += skb->len; qp->ecn |= ecn; - add_frag_mem_limit(&qp->q, skb->truesize); + add_frag_mem_limit(qp->q.net, skb->truesize); if (offset == 0) qp->q.flags |= INET_FRAG_FIRST_IN; @@ -587,7 +587,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, head->len -= clone->len; clone->csum = 0; clone->ip_summed = head->ip_summed; - add_frag_mem_limit(&qp->q, clone->truesize); + add_frag_mem_limit(qp->q.net, clone->truesize); } skb_push(head, head->data - skb_network_header(head)); @@ -615,7 +615,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, } fp = next; } - sub_frag_mem_limit(&qp->q, sum_truesize); + sub_frag_mem_limit(qp->q.net, sum_truesize); head->next = NULL; head->dev = dev; @@ -641,6 +641,8 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, iph->frag_off = 0; } + ip_send_check(iph); + IP_INC_STATS_BH(net, IPSTATS_MIB_REASMOKS); qp->q.fragments = NULL; qp->q.fragments_tail = NULL; diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 4c2c3ba4ba65..626d9e56a6bd 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -586,7 +586,8 @@ int ip_tunnel_encap(struct sk_buff *skb, struct ip_tunnel *t, EXPORT_SYMBOL(ip_tunnel_encap); static int tnl_update_pmtu(struct net_device *dev, struct sk_buff *skb, - struct rtable *rt, __be16 df) + struct rtable *rt, __be16 df, + const struct iphdr *inner_iph) { struct ip_tunnel *tunnel = netdev_priv(dev); int pkt_size = skb->len - tunnel->hlen - dev->hard_header_len; @@ -603,7 +604,8 @@ static int tnl_update_pmtu(struct net_device *dev, struct sk_buff *skb, if (skb->protocol == htons(ETH_P_IP)) { if (!skb_is_gso(skb) && - (df & htons(IP_DF)) && mtu < pkt_size) { + (inner_iph->frag_off & htons(IP_DF)) && + mtu < pkt_size) { memset(IPCB(skb), 0, sizeof(*IPCB(skb))); icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu)); return -E2BIG; @@ -737,7 +739,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, goto tx_error; } - if (tnl_update_pmtu(dev, skb, rt, tnl_params->frag_off)) { + if (tnl_update_pmtu(dev, skb, rt, tnl_params->frag_off, inner_iph)) { ip_rt_put(rt); goto tx_error; } diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index 95c9b6eece25..92305a1a021a 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -254,9 +254,10 @@ unsigned int arpt_do_table(struct sk_buff *skb, static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long)))); unsigned int verdict = NF_DROP; const struct arphdr *arp; - struct arpt_entry *e, *back; + struct arpt_entry *e, **jumpstack; const char *indev, *outdev; const void *table_base; + unsigned int cpu, stackidx = 0; const struct xt_table_info *private; struct xt_action_param acpar; unsigned int addend; @@ -270,15 +271,16 @@ unsigned int arpt_do_table(struct sk_buff *skb, local_bh_disable(); addend = xt_write_recseq_begin(); private = table->private; + cpu = smp_processor_id(); /* * Ensure we load private-> members after we've fetched the base * pointer. */ smp_read_barrier_depends(); table_base = private->entries; + jumpstack = (struct arpt_entry **)private->jumpstack[cpu]; e = get_entry(table_base, private->hook_entry[hook]); - back = get_entry(table_base, private->underflow[hook]); acpar.in = state->in; acpar.out = state->out; @@ -312,18 +314,23 @@ unsigned int arpt_do_table(struct sk_buff *skb, verdict = (unsigned int)(-v) - 1; break; } - e = back; - back = get_entry(table_base, back->comefrom); + if (stackidx == 0) { + e = get_entry(table_base, + private->underflow[hook]); + } else { + e = jumpstack[--stackidx]; + e = arpt_next_entry(e); + } continue; } if (table_base + v != arpt_next_entry(e)) { - /* Save old back ptr in next entry */ - struct arpt_entry *next = arpt_next_entry(e); - next->comefrom = (void *)back - table_base; - /* set back pointer to next entry */ - back = next; + if (stackidx >= private->stacksize) { + verdict = NF_DROP; + break; + } + jumpstack[stackidx++] = e; } e = get_entry(table_base, v); diff --git a/net/ipv4/netfilter/ipt_SYNPROXY.c b/net/ipv4/netfilter/ipt_SYNPROXY.c index fe8cc183411e..95ea633e8356 100644 --- a/net/ipv4/netfilter/ipt_SYNPROXY.c +++ b/net/ipv4/netfilter/ipt_SYNPROXY.c @@ -226,7 +226,8 @@ synproxy_send_client_ack(const struct synproxy_net *snet, synproxy_build_options(nth, opts); - synproxy_send_tcp(skb, nskb, NULL, 0, niph, nth, tcp_hdr_size); + synproxy_send_tcp(skb, nskb, skb->nfct, IP_CT_ESTABLISHED_REPLY, + niph, nth, tcp_hdr_size); } static bool diff --git a/net/ipv4/route.c b/net/ipv4/route.c index d0362a2de3d3..e681b852ced1 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2176,7 +2176,7 @@ struct rtable *__ip_route_output_key(struct net *net, struct flowi4 *fl4) if (!res.prefixlen && res.table->tb_num_default > 1 && res.type == RTN_UNICAST && !fl4->flowi4_oif) - fib_select_default(&res); + fib_select_default(fl4, &res); if (!fl4->saddr) fl4->saddr = FIB_RES_PREFSRC(net, res); diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index 433231ccfb17..0330ab2e2b63 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -41,8 +41,6 @@ static int tcp_syn_retries_min = 1; static int tcp_syn_retries_max = MAX_TCP_SYNCNT; static int ip_ping_group_range_min[] = { 0, 0 }; static int ip_ping_group_range_max[] = { GID_T_MAX, GID_T_MAX }; -static int min_sndbuf = SOCK_MIN_SNDBUF; -static int min_rcvbuf = SOCK_MIN_RCVBUF; /* Update system visible IP port range */ static void set_local_port_range(struct net *net, int range[2]) @@ -530,7 +528,7 @@ static struct ctl_table ipv4_table[] = { .maxlen = sizeof(sysctl_tcp_wmem), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &min_sndbuf, + .extra1 = &one, }, { .procname = "tcp_notsent_lowat", @@ -545,7 +543,7 @@ static struct ctl_table ipv4_table[] = { .maxlen = sizeof(sysctl_tcp_rmem), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &min_rcvbuf, + .extra1 = &one, }, { .procname = "tcp_app_win", @@ -758,7 +756,7 @@ static struct ctl_table ipv4_table[] = { .maxlen = sizeof(sysctl_udp_rmem_min), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &min_rcvbuf, + .extra1 = &one }, { .procname = "udp_wmem_min", @@ -766,7 +764,7 @@ static struct ctl_table ipv4_table[] = { .maxlen = sizeof(sysctl_udp_wmem_min), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &min_sndbuf, + .extra1 = &one }, { } }; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 7f4056785acc..45534a5ab430 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -780,7 +780,7 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos, ret = -EAGAIN; break; } - sk_wait_data(sk, &timeo); + sk_wait_data(sk, &timeo, NULL); if (signal_pending(current)) { ret = sock_intr_errno(timeo); break; @@ -1575,7 +1575,7 @@ int tcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock, int target; /* Read at least this many bytes */ long timeo; struct task_struct *user_recv = NULL; - struct sk_buff *skb; + struct sk_buff *skb, *last; u32 urg_hole = 0; if (unlikely(flags & MSG_ERRQUEUE)) @@ -1635,7 +1635,9 @@ int tcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock, /* Next get a buffer. */ + last = skb_peek_tail(&sk->sk_receive_queue); skb_queue_walk(&sk->sk_receive_queue, skb) { + last = skb; /* Now that we have two receive queues this * shouldn't happen. */ @@ -1754,8 +1756,9 @@ int tcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock, /* Do not sleep, just process backlog. */ release_sock(sk); lock_sock(sk); - } else - sk_wait_data(sk, &timeo); + } else { + sk_wait_data(sk, &timeo, last); + } if (user_recv) { int chunk; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 684f095d196e..728f5b3d3c64 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1917,14 +1917,13 @@ void tcp_enter_loss(struct sock *sk) const struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; - bool new_recovery = false; + bool new_recovery = icsk->icsk_ca_state < TCP_CA_Recovery; bool is_reneg; /* is receiver reneging on SACKs? */ /* Reduce ssthresh if it has not yet been made inside this window. */ if (icsk->icsk_ca_state <= TCP_CA_Disorder || !after(tp->high_seq, tp->snd_una) || (icsk->icsk_ca_state == TCP_CA_Loss && !icsk->icsk_retransmits)) { - new_recovery = true; tp->prior_ssthresh = tcp_current_ssthresh(sk); tp->snd_ssthresh = icsk->icsk_ca_ops->ssthresh(sk); tcp_ca_event(sk, CA_EVENT_LOSS); diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index d7d4c2b79cf2..0ea2e1c5d395 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1348,7 +1348,7 @@ static struct sock *tcp_v4_hnd_req(struct sock *sk, struct sk_buff *skb) req = inet_csk_search_req(sk, th->source, iph->saddr, iph->daddr); if (req) { nsk = tcp_check_req(sk, skb, req, false); - if (!nsk) + if (!nsk || nsk == sk) reqsk_put(req); return nsk; } diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 83aa604f9273..1b8c5ba7d5f7 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1995,12 +1995,19 @@ void udp_v4_early_demux(struct sk_buff *skb) skb->sk = sk; skb->destructor = sock_efree; - dst = sk->sk_rx_dst; + dst = READ_ONCE(sk->sk_rx_dst); if (dst) dst = dst_check(dst, 0); - if (dst) - skb_dst_set_noref(skb, dst); + if (dst) { + /* DST_NOCACHE can not be used without taking a reference */ + if (dst->flags & DST_NOCACHE) { + if (likely(atomic_inc_not_zero(&dst->__refcnt))) + skb_dst_set(skb, dst); + } else { + skb_dst_set_noref(skb, dst); + } + } } int udp_rcv(struct sk_buff *skb) diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index 62d908e64eeb..b10a88986a98 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -40,7 +40,7 @@ static bool ipv6_mapped_addr_any(const struct in6_addr *a) return ipv6_addr_v4mapped(a) && (a->s6_addr32[3] == 0); } -int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) +static int __ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) { struct sockaddr_in6 *usin = (struct sockaddr_in6 *) uaddr; struct inet_sock *inet = inet_sk(sk); @@ -56,7 +56,7 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) if (usin->sin6_family == AF_INET) { if (__ipv6_only_sock(sk)) return -EAFNOSUPPORT; - err = ip4_datagram_connect(sk, uaddr, addr_len); + err = __ip4_datagram_connect(sk, uaddr, addr_len); goto ipv4_connected; } @@ -98,9 +98,9 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) sin.sin_addr.s_addr = daddr->s6_addr32[3]; sin.sin_port = usin->sin6_port; - err = ip4_datagram_connect(sk, - (struct sockaddr *) &sin, - sizeof(sin)); + err = __ip4_datagram_connect(sk, + (struct sockaddr *) &sin, + sizeof(sin)); ipv4_connected: if (err) @@ -204,6 +204,16 @@ out: fl6_sock_release(flowlabel); return err; } + +int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) +{ + int res; + + lock_sock(sk); + res = __ip6_datagram_connect(sk, uaddr, addr_len); + release_sock(sk); + return res; +} EXPORT_SYMBOL_GPL(ip6_datagram_connect); int ip6_datagram_connect_v6_only(struct sock *sk, struct sockaddr *uaddr, diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 55d19861ab20..548c6237b1e7 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -172,6 +172,8 @@ static void rt6_free_pcpu(struct rt6_info *non_pcpu_rt) *ppcpu_rt = NULL; } } + + non_pcpu_rt->rt6i_pcpu = NULL; } static void rt6_release(struct rt6_info *rt) diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index f2e464eba5ef..57990c929cd8 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -331,10 +331,10 @@ int ip6_mc_input(struct sk_buff *skb) if (offset < 0) goto out; - if (!ipv6_is_mld(skb, nexthdr, offset)) - goto out; + if (ipv6_is_mld(skb, nexthdr, offset)) + deliver = true; - deliver = true; + goto out; } /* unknown RA - process it normally */ } diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index e893cd18612f..08b62047c67f 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -292,8 +292,6 @@ static struct packet_offload ipv6_packet_offload __read_mostly = { static const struct net_offload sit_offload = { .callbacks = { .gso_segment = ipv6_gso_segment, - .gro_receive = ipv6_gro_receive, - .gro_complete = ipv6_gro_complete, }, }; diff --git a/net/ipv6/mcast_snoop.c b/net/ipv6/mcast_snoop.c index df8afe5ab31e..9405b04eecc6 100644 --- a/net/ipv6/mcast_snoop.c +++ b/net/ipv6/mcast_snoop.c @@ -143,34 +143,36 @@ static int __ipv6_mc_check_mld(struct sk_buff *skb, struct sk_buff *skb_chk = NULL; unsigned int transport_len; unsigned int len = skb_transport_offset(skb) + sizeof(struct mld_msg); - int ret; + int ret = -EINVAL; transport_len = ntohs(ipv6_hdr(skb)->payload_len); transport_len -= skb_transport_offset(skb) - sizeof(struct ipv6hdr); - skb_get(skb); skb_chk = skb_checksum_trimmed(skb, transport_len, ipv6_mc_validate_checksum); if (!skb_chk) - return -EINVAL; + goto err; - if (!pskb_may_pull(skb_chk, len)) { - kfree_skb(skb_chk); - return -EINVAL; - } + if (!pskb_may_pull(skb_chk, len)) + goto err; ret = ipv6_mc_check_mld_msg(skb_chk); - if (ret) { - kfree_skb(skb_chk); - return ret; - } + if (ret) + goto err; if (skb_trimmed) *skb_trimmed = skb_chk; - else + /* free now unneeded clone */ + else if (skb_chk != skb) kfree_skb(skb_chk); - return 0; + ret = 0; + +err: + if (ret && skb_chk && skb_chk != skb) + kfree_skb(skb_chk); + + return ret; } /** @@ -179,7 +181,7 @@ static int __ipv6_mc_check_mld(struct sk_buff *skb, * @skb_trimmed: to store an skb pointer trimmed to IPv6 packet tail (optional) * * Checks whether an IPv6 packet is a valid MLD packet. If so sets - * skb network and transport headers accordingly and returns zero. + * skb transport header accordingly and returns zero. * * -EINVAL: A broken packet was detected, i.e. it violates some internet * standard @@ -194,7 +196,8 @@ static int __ipv6_mc_check_mld(struct sk_buff *skb, * to leave the original skb and its full frame unchanged (which might be * desirable for layer 2 frame jugglers). * - * The caller needs to release a reference count from any returned skb_trimmed. + * Caller needs to set the skb network header and free any returned skb if it + * differs from the provided skb. */ int ipv6_mc_check_mld(struct sk_buff *skb, struct sk_buff **skb_trimmed) { diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 0a05b35a90fc..c53331cfed95 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1650,6 +1650,7 @@ int ndisc_rcv(struct sk_buff *skb) static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) { struct net_device *dev = netdev_notifier_info_to_dev(ptr); + struct netdev_notifier_change_info *change_info; struct net *net = dev_net(dev); struct inet6_dev *idev; @@ -1664,6 +1665,11 @@ static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, ndisc_send_unsol_na(dev); in6_dev_put(idev); break; + case NETDEV_CHANGE: + change_info = ptr; + if (change_info->flags_changed & IFF_NOARP) + neigh_changeaddr(&nd_tbl, dev); + break; case NETDEV_DOWN: neigh_ifdown(&nd_tbl, dev); fib6_run_gc(0, net, false); diff --git a/net/ipv6/netfilter/ip6t_SYNPROXY.c b/net/ipv6/netfilter/ip6t_SYNPROXY.c index 6edb7b106de7..ebbb754c2111 100644 --- a/net/ipv6/netfilter/ip6t_SYNPROXY.c +++ b/net/ipv6/netfilter/ip6t_SYNPROXY.c @@ -37,12 +37,13 @@ synproxy_build_ip(struct sk_buff *skb, const struct in6_addr *saddr, } static void -synproxy_send_tcp(const struct sk_buff *skb, struct sk_buff *nskb, +synproxy_send_tcp(const struct synproxy_net *snet, + const struct sk_buff *skb, struct sk_buff *nskb, struct nf_conntrack *nfct, enum ip_conntrack_info ctinfo, struct ipv6hdr *niph, struct tcphdr *nth, unsigned int tcp_hdr_size) { - struct net *net = nf_ct_net((struct nf_conn *)nfct); + struct net *net = nf_ct_net(snet->tmpl); struct dst_entry *dst; struct flowi6 fl6; @@ -83,7 +84,8 @@ free_nskb: } static void -synproxy_send_client_synack(const struct sk_buff *skb, const struct tcphdr *th, +synproxy_send_client_synack(const struct synproxy_net *snet, + const struct sk_buff *skb, const struct tcphdr *th, const struct synproxy_options *opts) { struct sk_buff *nskb; @@ -119,7 +121,7 @@ synproxy_send_client_synack(const struct sk_buff *skb, const struct tcphdr *th, synproxy_build_options(nth, opts); - synproxy_send_tcp(skb, nskb, skb->nfct, IP_CT_ESTABLISHED_REPLY, + synproxy_send_tcp(snet, skb, nskb, skb->nfct, IP_CT_ESTABLISHED_REPLY, niph, nth, tcp_hdr_size); } @@ -163,7 +165,7 @@ synproxy_send_server_syn(const struct synproxy_net *snet, synproxy_build_options(nth, opts); - synproxy_send_tcp(skb, nskb, &snet->tmpl->ct_general, IP_CT_NEW, + synproxy_send_tcp(snet, skb, nskb, &snet->tmpl->ct_general, IP_CT_NEW, niph, nth, tcp_hdr_size); } @@ -203,7 +205,7 @@ synproxy_send_server_ack(const struct synproxy_net *snet, synproxy_build_options(nth, opts); - synproxy_send_tcp(skb, nskb, NULL, 0, niph, nth, tcp_hdr_size); + synproxy_send_tcp(snet, skb, nskb, NULL, 0, niph, nth, tcp_hdr_size); } static void @@ -241,7 +243,8 @@ synproxy_send_client_ack(const struct synproxy_net *snet, synproxy_build_options(nth, opts); - synproxy_send_tcp(skb, nskb, NULL, 0, niph, nth, tcp_hdr_size); + synproxy_send_tcp(snet, skb, nskb, skb->nfct, IP_CT_ESTABLISHED_REPLY, + niph, nth, tcp_hdr_size); } static bool @@ -301,7 +304,7 @@ synproxy_tg6(struct sk_buff *skb, const struct xt_action_param *par) XT_SYNPROXY_OPT_SACK_PERM | XT_SYNPROXY_OPT_ECN); - synproxy_send_client_synack(skb, th, &opts); + synproxy_send_client_synack(snet, skb, th, &opts); return NF_DROP; } else if (th->ack && !(th->fin || th->rst || th->syn)) { diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index 6f187c8d8a1b..6d02498172c1 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -348,7 +348,7 @@ found: fq->ecn |= ecn; if (payload_len > fq->q.max_size) fq->q.max_size = payload_len; - add_frag_mem_limit(&fq->q, skb->truesize); + add_frag_mem_limit(fq->q.net, skb->truesize); /* The first fragment. * nhoffset is obtained from the first fragment, of course. @@ -430,7 +430,7 @@ nf_ct_frag6_reasm(struct frag_queue *fq, struct net_device *dev) clone->ip_summed = head->ip_summed; NFCT_FRAG6_CB(clone)->orig = NULL; - add_frag_mem_limit(&fq->q, clone->truesize); + add_frag_mem_limit(fq->q.net, clone->truesize); } /* We have to remove fragment header from datagram and to relocate @@ -454,7 +454,7 @@ nf_ct_frag6_reasm(struct frag_queue *fq, struct net_device *dev) head->csum = csum_add(head->csum, fp->csum); head->truesize += fp->truesize; } - sub_frag_mem_limit(&fq->q, head->truesize); + sub_frag_mem_limit(fq->q.net, head->truesize); head->ignore_df = 1; head->next = NULL; diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 8ffa2c8cce77..f1159bb76e0a 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -144,7 +144,7 @@ void ip6_expire_frag_queue(struct net *net, struct frag_queue *fq, IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMFAILS); - if (fq->q.flags & INET_FRAG_EVICTED) + if (inet_frag_evicting(&fq->q)) goto out_rcu_unlock; IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMTIMEOUT); @@ -330,7 +330,7 @@ found: fq->q.stamp = skb->tstamp; fq->q.meat += skb->len; fq->ecn |= ecn; - add_frag_mem_limit(&fq->q, skb->truesize); + add_frag_mem_limit(fq->q.net, skb->truesize); /* The first fragment. * nhoffset is obtained from the first fragment, of course. @@ -443,7 +443,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, head->len -= clone->len; clone->csum = 0; clone->ip_summed = head->ip_summed; - add_frag_mem_limit(&fq->q, clone->truesize); + add_frag_mem_limit(fq->q.net, clone->truesize); } /* We have to remove fragment header from datagram and to relocate @@ -481,7 +481,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, } fp = next; } - sub_frag_mem_limit(&fq->q, sum_truesize); + sub_frag_mem_limit(fq->q.net, sum_truesize); head->next = NULL; head->dev = dev; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 1a1122a6bbf5..d15586490cec 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -318,8 +318,7 @@ static const struct rt6_info ip6_blk_hole_entry_template = { /* allocate dst with ip6_dst_ops */ static struct rt6_info *__ip6_dst_alloc(struct net *net, struct net_device *dev, - int flags, - struct fib6_table *table) + int flags) { struct rt6_info *rt = dst_alloc(&net->ipv6.ip6_dst_ops, dev, 0, DST_OBSOLETE_FORCE_CHK, flags); @@ -336,10 +335,9 @@ static struct rt6_info *__ip6_dst_alloc(struct net *net, static struct rt6_info *ip6_dst_alloc(struct net *net, struct net_device *dev, - int flags, - struct fib6_table *table) + int flags) { - struct rt6_info *rt = __ip6_dst_alloc(net, dev, flags, table); + struct rt6_info *rt = __ip6_dst_alloc(net, dev, flags); if (rt) { rt->rt6i_pcpu = alloc_percpu_gfp(struct rt6_info *, GFP_ATOMIC); @@ -369,10 +367,7 @@ static void ip6_dst_destroy(struct dst_entry *dst) struct inet6_dev *idev; dst_destroy_metrics_generic(dst); - - if (rt->rt6i_pcpu) - free_percpu(rt->rt6i_pcpu); - + free_percpu(rt->rt6i_pcpu); rt6_uncached_list_del(rt); idev = rt->rt6i_idev; @@ -953,8 +948,7 @@ static struct rt6_info *ip6_rt_cache_alloc(struct rt6_info *ort, if (ort->rt6i_flags & (RTF_CACHE | RTF_PCPU)) ort = (struct rt6_info *)ort->dst.from; - rt = __ip6_dst_alloc(dev_net(ort->dst.dev), ort->dst.dev, - 0, ort->rt6i_table); + rt = __ip6_dst_alloc(dev_net(ort->dst.dev), ort->dst.dev, 0); if (!rt) return NULL; @@ -986,8 +980,7 @@ static struct rt6_info *ip6_rt_pcpu_alloc(struct rt6_info *rt) struct rt6_info *pcpu_rt; pcpu_rt = __ip6_dst_alloc(dev_net(rt->dst.dev), - rt->dst.dev, rt->dst.flags, - rt->rt6i_table); + rt->dst.dev, rt->dst.flags); if (!pcpu_rt) return NULL; @@ -1000,32 +993,53 @@ static struct rt6_info *ip6_rt_pcpu_alloc(struct rt6_info *rt) /* It should be called with read_lock_bh(&tb6_lock) acquired */ static struct rt6_info *rt6_get_pcpu_route(struct rt6_info *rt) { - struct rt6_info *pcpu_rt, *prev, **p; + struct rt6_info *pcpu_rt, **p; p = this_cpu_ptr(rt->rt6i_pcpu); pcpu_rt = *p; - if (pcpu_rt) - goto done; + if (pcpu_rt) { + dst_hold(&pcpu_rt->dst); + rt6_dst_from_metrics_check(pcpu_rt); + } + return pcpu_rt; +} + +static struct rt6_info *rt6_make_pcpu_route(struct rt6_info *rt) +{ + struct fib6_table *table = rt->rt6i_table; + struct rt6_info *pcpu_rt, *prev, **p; pcpu_rt = ip6_rt_pcpu_alloc(rt); if (!pcpu_rt) { struct net *net = dev_net(rt->dst.dev); - pcpu_rt = net->ipv6.ip6_null_entry; - goto done; + dst_hold(&net->ipv6.ip6_null_entry->dst); + return net->ipv6.ip6_null_entry; } - prev = cmpxchg(p, NULL, pcpu_rt); - if (prev) { - /* If someone did it before us, return prev instead */ + read_lock_bh(&table->tb6_lock); + if (rt->rt6i_pcpu) { + p = this_cpu_ptr(rt->rt6i_pcpu); + prev = cmpxchg(p, NULL, pcpu_rt); + if (prev) { + /* If someone did it before us, return prev instead */ + dst_destroy(&pcpu_rt->dst); + pcpu_rt = prev; + } + } else { + /* rt has been removed from the fib6 tree + * before we have a chance to acquire the read_lock. + * In this case, don't brother to create a pcpu rt + * since rt is going away anyway. The next + * dst_check() will trigger a re-lookup. + */ dst_destroy(&pcpu_rt->dst); - pcpu_rt = prev; + pcpu_rt = rt; } - -done: dst_hold(&pcpu_rt->dst); rt6_dst_from_metrics_check(pcpu_rt); + read_unlock_bh(&table->tb6_lock); return pcpu_rt; } @@ -1100,9 +1114,22 @@ redo_rt6_select: rt->dst.lastuse = jiffies; rt->dst.__use++; pcpu_rt = rt6_get_pcpu_route(rt); - read_unlock_bh(&table->tb6_lock); + + if (pcpu_rt) { + read_unlock_bh(&table->tb6_lock); + } else { + /* We have to do the read_unlock first + * because rt6_make_pcpu_route() may trigger + * ip6_dst_gc() which will take the write_lock. + */ + dst_hold(&rt->dst); + read_unlock_bh(&table->tb6_lock); + pcpu_rt = rt6_make_pcpu_route(rt); + dst_release(&rt->dst); + } return pcpu_rt; + } } @@ -1558,7 +1585,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev, if (unlikely(!idev)) return ERR_PTR(-ENODEV); - rt = ip6_dst_alloc(net, dev, 0, NULL); + rt = ip6_dst_alloc(net, dev, 0); if (unlikely(!rt)) { in6_dev_put(idev); dst = ERR_PTR(-ENOMEM); @@ -1745,7 +1772,8 @@ int ip6_route_add(struct fib6_config *cfg) if (!table) goto out; - rt = ip6_dst_alloc(net, NULL, (cfg->fc_flags & RTF_ADDRCONF) ? 0 : DST_NOCOUNT, table); + rt = ip6_dst_alloc(net, NULL, + (cfg->fc_flags & RTF_ADDRCONF) ? 0 : DST_NOCOUNT); if (!rt) { err = -ENOMEM; @@ -1834,6 +1862,7 @@ int ip6_route_add(struct fib6_config *cfg) int gwa_type; gw_addr = &cfg->fc_gateway; + gwa_type = ipv6_addr_type(gw_addr); /* if gw_addr is local we will fail to detect this in case * address is still TENTATIVE (DAD in progress). rt6_lookup() @@ -1841,11 +1870,12 @@ int ip6_route_add(struct fib6_config *cfg) * prefix route was assigned to, which might be non-loopback. */ err = -EINVAL; - if (ipv6_chk_addr_and_flags(net, gw_addr, NULL, 0, 0)) + if (ipv6_chk_addr_and_flags(net, gw_addr, + gwa_type & IPV6_ADDR_LINKLOCAL ? + dev : NULL, 0, 0)) goto out; rt->rt6i_gateway = *gw_addr; - gwa_type = ipv6_addr_type(gw_addr); if (gwa_type != (IPV6_ADDR_LINKLOCAL|IPV6_ADDR_UNICAST)) { struct rt6_info *grt; @@ -2400,7 +2430,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev, { struct net *net = dev_net(idev->dev); struct rt6_info *rt = ip6_dst_alloc(net, net->loopback_dev, - DST_NOCOUNT, NULL); + DST_NOCOUNT); if (!rt) return ERR_PTR(-ENOMEM); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 6748c4277aff..7a6cea5e4274 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -943,7 +943,7 @@ static struct sock *tcp_v6_hnd_req(struct sock *sk, struct sk_buff *skb) &ipv6_hdr(skb)->daddr, tcp_v6_iif(skb)); if (req) { nsk = tcp_check_req(sk, skb, req, false); - if (!nsk) + if (!nsk || nsk == sk) reqsk_put(req); return nsk; } diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index 8fd9febaa5ba..8dab4e569571 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -613,7 +613,7 @@ static int llc_wait_data(struct sock *sk, long timeo) if (signal_pending(current)) break; rc = 0; - if (sk_wait_data(sk, &timeo)) + if (sk_wait_data(sk, &timeo, NULL)) break; } return rc; @@ -802,7 +802,7 @@ static int llc_ui_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, release_sock(sk); lock_sock(sk); } else - sk_wait_data(sk, &timeo); + sk_wait_data(sk, &timeo, NULL); if ((flags & MSG_PEEK) && peek_seq != llc->copied_seq) { net_dbg_ratelimited("LLC(%s:%d): Application bug, race in MSG_PEEK\n", diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index 29236e832e44..c09c0131bfa2 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -723,6 +723,7 @@ void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) debugfs_remove_recursive(sdata->vif.debugfs_dir); sdata->vif.debugfs_dir = NULL; + sdata->debugfs.subdir_stations = NULL; } void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index ed1edac14372..553ac6dd4867 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1863,10 +1863,6 @@ void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata) ieee80211_teardown_sdata(sdata); } -/* - * Remove all interfaces, may only be called at hardware unregistration - * time because it doesn't do RCU-safe list removals. - */ void ieee80211_remove_interfaces(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata, *tmp; @@ -1875,14 +1871,21 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local) ASSERT_RTNL(); - /* - * Close all AP_VLAN interfaces first, as otherwise they - * might be closed while the AP interface they belong to - * is closed, causing unregister_netdevice_many() to crash. + /* Before destroying the interfaces, make sure they're all stopped so + * that the hardware is stopped. Otherwise, the driver might still be + * iterating the interfaces during the shutdown, e.g. from a worker + * or from RX processing or similar, and if it does so (using atomic + * iteration) while we're manipulating the list, the iteration will + * crash. + * + * After this, the hardware should be stopped and the driver should + * have stopped all of its activities, so that we can do RCU-unaware + * manipulations of the interface list below. */ - list_for_each_entry(sdata, &local->interfaces, list) - if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) - dev_close(sdata->dev); + cfg80211_shutdown_all_interfaces(local->hw.wiphy); + + WARN(local->open_count, "%s: open count remains %d\n", + wiphy_name(local->hw.wiphy), local->open_count); mutex_lock(&local->iflist_mtx); list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) { diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 5438d13e2f00..3b59099413fb 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -306,7 +306,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, if (action == WLAN_SP_MESH_PEERING_CONFIRM) { /* AID */ pos = skb_put(skb, 2); - put_unaligned_le16(plid, pos + 2); + put_unaligned_le16(plid, pos); } if (ieee80211_add_srates_ie(sdata, skb, true, band) || ieee80211_add_ext_srates_ie(sdata, skb, true, band) || @@ -1122,6 +1122,9 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, WLAN_SP_MESH_PEERING_CONFIRM) { baseaddr += 4; baselen += 4; + + if (baselen > len) + return; } ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems); mesh_process_plink_frame(sdata, mgmt, &elems); diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index 06b60980c62c..b676b9fa707b 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -76,6 +76,22 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) if (sdata->vif.type != NL80211_IFTYPE_STATION) continue; ieee80211_mgd_quiesce(sdata); + /* If suspended during TX in progress, and wowlan + * is enabled (connection will be active) there + * can be a race where the driver is put out + * of power-save due to TX and during suspend + * dynamic_ps_timer is cancelled and TX packet + * is flushed, leaving the driver in ACTIVE even + * after resuming until dynamic_ps_timer puts + * driver back in DOZE. + */ + if (sdata->u.mgd.associated && + sdata->u.mgd.powersave && + !(local->hw.conf.flags & IEEE80211_CONF_PS)) { + local->hw.conf.flags |= IEEE80211_CONF_PS; + ieee80211_hw_config(local, + IEEE80211_CONF_CHANGE_PS); + } } err = drv_suspend(local, wowlan); diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c index 247552a7f6c2..3ece7d1034c8 100644 --- a/net/mac80211/rc80211_minstrel.c +++ b/net/mac80211/rc80211_minstrel.c @@ -92,14 +92,15 @@ int minstrel_get_tp_avg(struct minstrel_rate *mr, int prob_ewma) static inline void minstrel_sort_best_tp_rates(struct minstrel_sta_info *mi, int i, u8 *tp_list) { - int j = MAX_THR_RATES; - struct minstrel_rate_stats *tmp_mrs = &mi->r[j - 1].stats; + int j; + struct minstrel_rate_stats *tmp_mrs; struct minstrel_rate_stats *cur_mrs = &mi->r[i].stats; - while (j > 0 && (minstrel_get_tp_avg(&mi->r[i], cur_mrs->prob_ewma) > - minstrel_get_tp_avg(&mi->r[tp_list[j - 1]], tmp_mrs->prob_ewma))) { - j--; + for (j = MAX_THR_RATES; j > 0; --j) { tmp_mrs = &mi->r[tp_list[j - 1]].stats; + if (minstrel_get_tp_avg(&mi->r[i], cur_mrs->prob_ewma) <= + minstrel_get_tp_avg(&mi->r[tp_list[j - 1]], tmp_mrs->prob_ewma)) + break; } if (j < MAX_THR_RATES - 1) diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c index ad31b2dab4f5..8db6e2994bbc 100644 --- a/net/mac80211/tdls.c +++ b/net/mac80211/tdls.c @@ -60,6 +60,7 @@ ieee80211_tdls_add_subband(struct ieee80211_sub_if_data *sdata, struct ieee80211_channel *ch; struct cfg80211_chan_def chandef; int i, subband_start; + struct wiphy *wiphy = sdata->local->hw.wiphy; for (i = start; i <= end; i += spacing) { if (!ch_cnt) @@ -70,9 +71,8 @@ ieee80211_tdls_add_subband(struct ieee80211_sub_if_data *sdata, /* we will be active on the channel */ cfg80211_chandef_create(&chandef, ch, NL80211_CHAN_NO_HT); - if (cfg80211_reg_can_beacon(sdata->local->hw.wiphy, - &chandef, - sdata->wdev.iftype)) { + if (cfg80211_reg_can_beacon_relax(wiphy, &chandef, + sdata->wdev.iftype)) { ch_cnt++; /* * check if the next channel is also part of diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 8410bb3bf5e8..b8233505bf9f 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1117,7 +1117,9 @@ static bool ieee80211_tx_prep_agg(struct ieee80211_tx_data *tx, queued = true; info->control.vif = &tx->sdata->vif; info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; - info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS; + info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS | + IEEE80211_TX_CTL_NO_PS_BUFFER | + IEEE80211_TX_STATUS_EOSP; __skb_queue_tail(&tid_tx->pending, skb); if (skb_queue_len(&tid_tx->pending) > STA_MAX_TX_BUFFER) purge_skb = __skb_dequeue(&tid_tx->pending); diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c index 5d2b806a862e..38fbc194b9cb 100644 --- a/net/netfilter/ipvs/ip_vs_core.c +++ b/net/netfilter/ipvs/ip_vs_core.c @@ -319,7 +319,13 @@ ip_vs_sched_persist(struct ip_vs_service *svc, * return *ignored=0 i.e. ICMP and NF_DROP */ sched = rcu_dereference(svc->scheduler); - dest = sched->schedule(svc, skb, iph); + if (sched) { + /* read svc->sched_data after svc->scheduler */ + smp_rmb(); + dest = sched->schedule(svc, skb, iph); + } else { + dest = NULL; + } if (!dest) { IP_VS_DBG(1, "p-schedule: no dest found.\n"); kfree(param.pe_data); @@ -467,7 +473,13 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb, } sched = rcu_dereference(svc->scheduler); - dest = sched->schedule(svc, skb, iph); + if (sched) { + /* read svc->sched_data after svc->scheduler */ + smp_rmb(); + dest = sched->schedule(svc, skb, iph); + } else { + dest = NULL; + } if (dest == NULL) { IP_VS_DBG(1, "Schedule: no dest found.\n"); return NULL; diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index 285eae3a1454..24c554201a76 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -842,15 +842,16 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest, __ip_vs_dst_cache_reset(dest); spin_unlock_bh(&dest->dst_lock); - sched = rcu_dereference_protected(svc->scheduler, 1); if (add) { ip_vs_start_estimator(svc->net, &dest->stats); list_add_rcu(&dest->n_list, &svc->destinations); svc->num_dests++; - if (sched->add_dest) + sched = rcu_dereference_protected(svc->scheduler, 1); + if (sched && sched->add_dest) sched->add_dest(svc, dest); } else { - if (sched->upd_dest) + sched = rcu_dereference_protected(svc->scheduler, 1); + if (sched && sched->upd_dest) sched->upd_dest(svc, dest); } } @@ -1084,7 +1085,7 @@ static void __ip_vs_unlink_dest(struct ip_vs_service *svc, struct ip_vs_scheduler *sched; sched = rcu_dereference_protected(svc->scheduler, 1); - if (sched->del_dest) + if (sched && sched->del_dest) sched->del_dest(svc, dest); } } @@ -1175,11 +1176,14 @@ ip_vs_add_service(struct net *net, struct ip_vs_service_user_kern *u, ip_vs_use_count_inc(); /* Lookup the scheduler by 'u->sched_name' */ - sched = ip_vs_scheduler_get(u->sched_name); - if (sched == NULL) { - pr_info("Scheduler module ip_vs_%s not found\n", u->sched_name); - ret = -ENOENT; - goto out_err; + if (strcmp(u->sched_name, "none")) { + sched = ip_vs_scheduler_get(u->sched_name); + if (!sched) { + pr_info("Scheduler module ip_vs_%s not found\n", + u->sched_name); + ret = -ENOENT; + goto out_err; + } } if (u->pe_name && *u->pe_name) { @@ -1240,10 +1244,12 @@ ip_vs_add_service(struct net *net, struct ip_vs_service_user_kern *u, spin_lock_init(&svc->stats.lock); /* Bind the scheduler */ - ret = ip_vs_bind_scheduler(svc, sched); - if (ret) - goto out_err; - sched = NULL; + if (sched) { + ret = ip_vs_bind_scheduler(svc, sched); + if (ret) + goto out_err; + sched = NULL; + } /* Bind the ct retriever */ RCU_INIT_POINTER(svc->pe, pe); @@ -1291,17 +1297,20 @@ ip_vs_add_service(struct net *net, struct ip_vs_service_user_kern *u, static int ip_vs_edit_service(struct ip_vs_service *svc, struct ip_vs_service_user_kern *u) { - struct ip_vs_scheduler *sched, *old_sched; + struct ip_vs_scheduler *sched = NULL, *old_sched; struct ip_vs_pe *pe = NULL, *old_pe = NULL; int ret = 0; /* * Lookup the scheduler, by 'u->sched_name' */ - sched = ip_vs_scheduler_get(u->sched_name); - if (sched == NULL) { - pr_info("Scheduler module ip_vs_%s not found\n", u->sched_name); - return -ENOENT; + if (strcmp(u->sched_name, "none")) { + sched = ip_vs_scheduler_get(u->sched_name); + if (!sched) { + pr_info("Scheduler module ip_vs_%s not found\n", + u->sched_name); + return -ENOENT; + } } old_sched = sched; @@ -1329,14 +1338,20 @@ ip_vs_edit_service(struct ip_vs_service *svc, struct ip_vs_service_user_kern *u) old_sched = rcu_dereference_protected(svc->scheduler, 1); if (sched != old_sched) { + if (old_sched) { + ip_vs_unbind_scheduler(svc, old_sched); + RCU_INIT_POINTER(svc->scheduler, NULL); + /* Wait all svc->sched_data users */ + synchronize_rcu(); + } /* Bind the new scheduler */ - ret = ip_vs_bind_scheduler(svc, sched); - if (ret) { - old_sched = sched; - goto out; + if (sched) { + ret = ip_vs_bind_scheduler(svc, sched); + if (ret) { + ip_vs_scheduler_put(sched); + goto out; + } } - /* Unbind the old scheduler on success */ - ip_vs_unbind_scheduler(svc, old_sched); } /* @@ -1982,6 +1997,7 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v) const struct ip_vs_iter *iter = seq->private; const struct ip_vs_dest *dest; struct ip_vs_scheduler *sched = rcu_dereference(svc->scheduler); + char *sched_name = sched ? sched->name : "none"; if (iter->table == ip_vs_svc_table) { #ifdef CONFIG_IP_VS_IPV6 @@ -1990,18 +2006,18 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v) ip_vs_proto_name(svc->protocol), &svc->addr.in6, ntohs(svc->port), - sched->name); + sched_name); else #endif seq_printf(seq, "%s %08X:%04X %s %s ", ip_vs_proto_name(svc->protocol), ntohl(svc->addr.ip), ntohs(svc->port), - sched->name, + sched_name, (svc->flags & IP_VS_SVC_F_ONEPACKET)?"ops ":""); } else { seq_printf(seq, "FWM %08X %s %s", - svc->fwmark, sched->name, + svc->fwmark, sched_name, (svc->flags & IP_VS_SVC_F_ONEPACKET)?"ops ":""); } @@ -2427,13 +2443,15 @@ ip_vs_copy_service(struct ip_vs_service_entry *dst, struct ip_vs_service *src) { struct ip_vs_scheduler *sched; struct ip_vs_kstats kstats; + char *sched_name; sched = rcu_dereference_protected(src->scheduler, 1); + sched_name = sched ? sched->name : "none"; dst->protocol = src->protocol; dst->addr = src->addr.ip; dst->port = src->port; dst->fwmark = src->fwmark; - strlcpy(dst->sched_name, sched->name, sizeof(dst->sched_name)); + strlcpy(dst->sched_name, sched_name, sizeof(dst->sched_name)); dst->flags = src->flags; dst->timeout = src->timeout / HZ; dst->netmask = src->netmask; @@ -2892,6 +2910,7 @@ static int ip_vs_genl_fill_service(struct sk_buff *skb, struct ip_vs_flags flags = { .flags = svc->flags, .mask = ~0 }; struct ip_vs_kstats kstats; + char *sched_name; nl_service = nla_nest_start(skb, IPVS_CMD_ATTR_SERVICE); if (!nl_service) @@ -2910,8 +2929,9 @@ static int ip_vs_genl_fill_service(struct sk_buff *skb, } sched = rcu_dereference_protected(svc->scheduler, 1); + sched_name = sched ? sched->name : "none"; pe = rcu_dereference_protected(svc->pe, 1); - if (nla_put_string(skb, IPVS_SVC_ATTR_SCHED_NAME, sched->name) || + if (nla_put_string(skb, IPVS_SVC_ATTR_SCHED_NAME, sched_name) || (pe && nla_put_string(skb, IPVS_SVC_ATTR_PE_NAME, pe->name)) || nla_put(skb, IPVS_SVC_ATTR_FLAGS, sizeof(flags), &flags) || nla_put_u32(skb, IPVS_SVC_ATTR_TIMEOUT, svc->timeout / HZ) || diff --git a/net/netfilter/ipvs/ip_vs_sched.c b/net/netfilter/ipvs/ip_vs_sched.c index 199760c71f39..7e8141647943 100644 --- a/net/netfilter/ipvs/ip_vs_sched.c +++ b/net/netfilter/ipvs/ip_vs_sched.c @@ -74,7 +74,7 @@ void ip_vs_unbind_scheduler(struct ip_vs_service *svc, if (sched->done_service) sched->done_service(svc); - /* svc->scheduler can not be set to NULL */ + /* svc->scheduler can be set to NULL only by caller */ } @@ -147,21 +147,21 @@ void ip_vs_scheduler_put(struct ip_vs_scheduler *scheduler) void ip_vs_scheduler_err(struct ip_vs_service *svc, const char *msg) { - struct ip_vs_scheduler *sched; + struct ip_vs_scheduler *sched = rcu_dereference(svc->scheduler); + char *sched_name = sched ? sched->name : "none"; - sched = rcu_dereference(svc->scheduler); if (svc->fwmark) { IP_VS_ERR_RL("%s: FWM %u 0x%08X - %s\n", - sched->name, svc->fwmark, svc->fwmark, msg); + sched_name, svc->fwmark, svc->fwmark, msg); #ifdef CONFIG_IP_VS_IPV6 } else if (svc->af == AF_INET6) { IP_VS_ERR_RL("%s: %s [%pI6c]:%d - %s\n", - sched->name, ip_vs_proto_name(svc->protocol), + sched_name, ip_vs_proto_name(svc->protocol), &svc->addr.in6, ntohs(svc->port), msg); #endif } else { IP_VS_ERR_RL("%s: %s %pI4:%d - %s\n", - sched->name, ip_vs_proto_name(svc->protocol), + sched_name, ip_vs_proto_name(svc->protocol), &svc->addr.ip, ntohs(svc->port), msg); } } diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c index b08ba9538d12..d99ad93eb855 100644 --- a/net/netfilter/ipvs/ip_vs_sync.c +++ b/net/netfilter/ipvs/ip_vs_sync.c @@ -612,7 +612,7 @@ static void ip_vs_sync_conn_v0(struct net *net, struct ip_vs_conn *cp, pkts = atomic_add_return(1, &cp->in_pkts); else pkts = sysctl_sync_threshold(ipvs); - ip_vs_sync_conn(net, cp->control, pkts); + ip_vs_sync_conn(net, cp, pkts); } } diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c index bf66a8657a5f..258a0b0e82a2 100644 --- a/net/netfilter/ipvs/ip_vs_xmit.c +++ b/net/netfilter/ipvs/ip_vs_xmit.c @@ -130,7 +130,6 @@ static struct rtable *do_output_route4(struct net *net, __be32 daddr, memset(&fl4, 0, sizeof(fl4)); fl4.daddr = daddr; - fl4.saddr = (rt_mode & IP_VS_RT_MODE_CONNECT) ? *saddr : 0; fl4.flowi4_flags = (rt_mode & IP_VS_RT_MODE_KNOWN_NH) ? FLOWI_FLAG_KNOWN_NH : 0; @@ -505,6 +504,13 @@ err_put: return -1; err_unreach: + /* The ip6_link_failure function requires the dev field to be set + * in order to get the net (further for the sake of fwmark + * reflection). + */ + if (!skb->dev) + skb->dev = skb_dst(skb)->dev; + dst_link_failure(skb); return -1; } @@ -523,10 +529,27 @@ static inline int ip_vs_tunnel_xmit_prepare(struct sk_buff *skb, if (ret == NF_ACCEPT) { nf_reset(skb); skb_forward_csum(skb); + if (!skb->sk) + skb_sender_cpu_clear(skb); } return ret; } +/* In the event of a remote destination, it's possible that we would have + * matches against an old socket (particularly a TIME-WAIT socket). This + * causes havoc down the line (ip_local_out et. al. expect regular sockets + * and invalid memory accesses will happen) so simply drop the association + * in this case. +*/ +static inline void ip_vs_drop_early_demux_sk(struct sk_buff *skb) +{ + /* If dev is set, the packet came from the LOCAL_IN callback and + * not from a local TCP socket. + */ + if (skb->dev) + skb_orphan(skb); +} + /* return NF_STOLEN (sent) or NF_ACCEPT if local=1 (not sent) */ static inline int ip_vs_nat_send_or_cont(int pf, struct sk_buff *skb, struct ip_vs_conn *cp, int local) @@ -538,12 +561,23 @@ static inline int ip_vs_nat_send_or_cont(int pf, struct sk_buff *skb, ip_vs_notrack(skb); else ip_vs_update_conntrack(skb, cp, 1); + + /* Remove the early_demux association unless it's bound for the + * exact same port and address on this host after translation. + */ + if (!local || cp->vport != cp->dport || + !ip_vs_addr_equal(cp->af, &cp->vaddr, &cp->daddr)) + ip_vs_drop_early_demux_sk(skb); + if (!local) { skb_forward_csum(skb); + if (!skb->sk) + skb_sender_cpu_clear(skb); NF_HOOK(pf, NF_INET_LOCAL_OUT, NULL, skb, NULL, skb_dst(skb)->dev, dst_output_sk); } else ret = NF_ACCEPT; + return ret; } @@ -557,7 +591,10 @@ static inline int ip_vs_send_or_cont(int pf, struct sk_buff *skb, if (likely(!(cp->flags & IP_VS_CONN_F_NFCT))) ip_vs_notrack(skb); if (!local) { + ip_vs_drop_early_demux_sk(skb); skb_forward_csum(skb); + if (!skb->sk) + skb_sender_cpu_clear(skb); NF_HOOK(pf, NF_INET_LOCAL_OUT, NULL, skb, NULL, skb_dst(skb)->dev, dst_output_sk); } else @@ -845,6 +882,8 @@ ip_vs_prepare_tunneled_skb(struct sk_buff *skb, int skb_af, struct ipv6hdr *old_ipv6h = NULL; #endif + ip_vs_drop_early_demux_sk(skb); + if (skb_headroom(skb) < max_headroom || skb_cloned(skb)) { new_skb = skb_realloc_headroom(skb, max_headroom); if (!new_skb) diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 13fad8668f83..3c20d02aee73 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -287,6 +287,46 @@ static void nf_ct_del_from_dying_or_unconfirmed_list(struct nf_conn *ct) spin_unlock(&pcpu->lock); } +/* Released via destroy_conntrack() */ +struct nf_conn *nf_ct_tmpl_alloc(struct net *net, u16 zone, gfp_t flags) +{ + struct nf_conn *tmpl; + + tmpl = kzalloc(sizeof(*tmpl), flags); + if (tmpl == NULL) + return NULL; + + tmpl->status = IPS_TEMPLATE; + write_pnet(&tmpl->ct_net, net); + +#ifdef CONFIG_NF_CONNTRACK_ZONES + if (zone) { + struct nf_conntrack_zone *nf_ct_zone; + + nf_ct_zone = nf_ct_ext_add(tmpl, NF_CT_EXT_ZONE, flags); + if (!nf_ct_zone) + goto out_free; + nf_ct_zone->id = zone; + } +#endif + atomic_set(&tmpl->ct_general.use, 0); + + return tmpl; +#ifdef CONFIG_NF_CONNTRACK_ZONES +out_free: + kfree(tmpl); + return NULL; +#endif +} +EXPORT_SYMBOL_GPL(nf_ct_tmpl_alloc); + +static void nf_ct_tmpl_free(struct nf_conn *tmpl) +{ + nf_ct_ext_destroy(tmpl); + nf_ct_ext_free(tmpl); + kfree(tmpl); +} + static void destroy_conntrack(struct nf_conntrack *nfct) { @@ -298,6 +338,10 @@ destroy_conntrack(struct nf_conntrack *nfct) NF_CT_ASSERT(atomic_read(&nfct->use) == 0); NF_CT_ASSERT(!timer_pending(&ct->timeout)); + if (unlikely(nf_ct_is_template(ct))) { + nf_ct_tmpl_free(ct); + return; + } rcu_read_lock(); l4proto = __nf_ct_l4proto_find(nf_ct_l3num(ct), nf_ct_protonum(ct)); if (l4proto && l4proto->destroy) @@ -540,28 +584,6 @@ out: } EXPORT_SYMBOL_GPL(nf_conntrack_hash_check_insert); -/* deletion from this larval template list happens via nf_ct_put() */ -void nf_conntrack_tmpl_insert(struct net *net, struct nf_conn *tmpl) -{ - struct ct_pcpu *pcpu; - - __set_bit(IPS_TEMPLATE_BIT, &tmpl->status); - __set_bit(IPS_CONFIRMED_BIT, &tmpl->status); - nf_conntrack_get(&tmpl->ct_general); - - /* add this conntrack to the (per cpu) tmpl list */ - local_bh_disable(); - tmpl->cpu = smp_processor_id(); - pcpu = per_cpu_ptr(nf_ct_net(tmpl)->ct.pcpu_lists, tmpl->cpu); - - spin_lock(&pcpu->lock); - /* Overload tuple linked list to put us in template list. */ - hlist_nulls_add_head_rcu(&tmpl->tuplehash[IP_CT_DIR_ORIGINAL].hnnode, - &pcpu->tmpl); - spin_unlock_bh(&pcpu->lock); -} -EXPORT_SYMBOL_GPL(nf_conntrack_tmpl_insert); - /* Confirm a connection given skb; places it in hash table */ int __nf_conntrack_confirm(struct sk_buff *skb) @@ -1522,10 +1544,8 @@ void *nf_ct_alloc_hashtable(unsigned int *sizep, int nulls) sz = nr_slots * sizeof(struct hlist_nulls_head); hash = (void *)__get_free_pages(GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO, get_order(sz)); - if (!hash) { - printk(KERN_WARNING "nf_conntrack: falling back to vmalloc.\n"); + if (!hash) hash = vzalloc(sz); - } if (hash && nulls) for (i = 0; i < nr_slots; i++) @@ -1751,7 +1771,6 @@ int nf_conntrack_init_net(struct net *net) spin_lock_init(&pcpu->lock); INIT_HLIST_NULLS_HEAD(&pcpu->unconfirmed, UNCONFIRMED_NULLS_VAL); INIT_HLIST_NULLS_HEAD(&pcpu->dying, DYING_NULLS_VAL); - INIT_HLIST_NULLS_HEAD(&pcpu->tmpl, TEMPLATE_NULLS_VAL); } net->ct.stat = alloc_percpu(struct ip_conntrack_stat); diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index 7a17070c5dab..b45a4223cb05 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -219,7 +219,8 @@ static inline int expect_clash(const struct nf_conntrack_expect *a, a->mask.src.u3.all[count] & b->mask.src.u3.all[count]; } - return nf_ct_tuple_mask_cmp(&a->tuple, &b->tuple, &intersect_mask); + return nf_ct_tuple_mask_cmp(&a->tuple, &b->tuple, &intersect_mask) && + nf_ct_zone(a->master) == nf_ct_zone(b->master); } static inline int expect_matches(const struct nf_conntrack_expect *a, diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index d1c23940a86a..6b8b0abbfab4 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -2995,11 +2995,6 @@ ctnetlink_create_expect(struct net *net, u16 zone, } err = nf_ct_expect_related_report(exp, portid, report); - if (err < 0) - goto err_exp; - - return 0; -err_exp: nf_ct_expect_put(exp); err_ct: nf_ct_put(ct); diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c index cd60d397fe05..8a8b2abc35ff 100644 --- a/net/netfilter/nf_queue.c +++ b/net/netfilter/nf_queue.c @@ -213,7 +213,7 @@ void nf_reinject(struct nf_queue_entry *entry, unsigned int verdict) if (verdict == NF_ACCEPT) { next_hook: - verdict = nf_iterate(&nf_hooks[entry->state.pf][entry->state.hook], + verdict = nf_iterate(entry->state.hook_list, skb, &entry->state, &elem); } diff --git a/net/netfilter/nf_synproxy_core.c b/net/netfilter/nf_synproxy_core.c index 789feeae6c44..d7f168527903 100644 --- a/net/netfilter/nf_synproxy_core.c +++ b/net/netfilter/nf_synproxy_core.c @@ -349,23 +349,20 @@ static void __net_exit synproxy_proc_exit(struct net *net) static int __net_init synproxy_net_init(struct net *net) { struct synproxy_net *snet = synproxy_pernet(net); - struct nf_conntrack_tuple t; struct nf_conn *ct; int err = -ENOMEM; - memset(&t, 0, sizeof(t)); - ct = nf_conntrack_alloc(net, 0, &t, &t, GFP_KERNEL); - if (IS_ERR(ct)) { - err = PTR_ERR(ct); + ct = nf_ct_tmpl_alloc(net, 0, GFP_KERNEL); + if (!ct) goto err1; - } if (!nfct_seqadj_ext_add(ct)) goto err2; if (!nfct_synproxy_ext_add(ct)) goto err2; - nf_conntrack_tmpl_insert(net, ct); + __set_bit(IPS_CONFIRMED_BIT, &ct->status); + nf_conntrack_get(&ct->ct_general); snet->tmpl = ct; snet->stats = alloc_percpu(struct synproxy_stats); diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index 8b117c90ecd7..0c0e8ecf02ab 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -269,6 +269,12 @@ static void nfnl_err_deliver(struct list_head *err_list, struct sk_buff *skb) } } +enum { + NFNL_BATCH_FAILURE = (1 << 0), + NFNL_BATCH_DONE = (1 << 1), + NFNL_BATCH_REPLAY = (1 << 2), +}; + static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh, u_int16_t subsys_id) { @@ -276,13 +282,15 @@ static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh, struct net *net = sock_net(skb->sk); const struct nfnetlink_subsystem *ss; const struct nfnl_callback *nc; - bool success = true, done = false; static LIST_HEAD(err_list); + u32 status; int err; if (subsys_id >= NFNL_SUBSYS_COUNT) return netlink_ack(skb, nlh, -EINVAL); replay: + status = 0; + skb = netlink_skb_clone(oskb, GFP_KERNEL); if (!skb) return netlink_ack(oskb, nlh, -ENOMEM); @@ -336,10 +344,10 @@ replay: if (type == NFNL_MSG_BATCH_BEGIN) { /* Malformed: Batch begin twice */ nfnl_err_reset(&err_list); - success = false; + status |= NFNL_BATCH_FAILURE; goto done; } else if (type == NFNL_MSG_BATCH_END) { - done = true; + status |= NFNL_BATCH_DONE; goto done; } else if (type < NLMSG_MIN_TYPE) { err = -EINVAL; @@ -382,11 +390,8 @@ replay: * original skb. */ if (err == -EAGAIN) { - nfnl_err_reset(&err_list); - ss->abort(oskb); - nfnl_unlock(subsys_id); - kfree_skb(skb); - goto replay; + status |= NFNL_BATCH_REPLAY; + goto next; } } ack: @@ -402,7 +407,7 @@ ack: */ nfnl_err_reset(&err_list); netlink_ack(skb, nlmsg_hdr(oskb), -ENOMEM); - success = false; + status |= NFNL_BATCH_FAILURE; goto done; } /* We don't stop processing the batch on errors, thus, @@ -410,19 +415,26 @@ ack: * triggers. */ if (err) - success = false; + status |= NFNL_BATCH_FAILURE; } - +next: msglen = NLMSG_ALIGN(nlh->nlmsg_len); if (msglen > skb->len) msglen = skb->len; skb_pull(skb, msglen); } done: - if (success && done) + if (status & NFNL_BATCH_REPLAY) { + ss->abort(oskb); + nfnl_err_reset(&err_list); + nfnl_unlock(subsys_id); + kfree_skb(skb); + goto replay; + } else if (status == NFNL_BATCH_DONE) { ss->commit(oskb); - else + } else { ss->abort(oskb); + } nfnl_err_deliver(&err_list, oskb); nfnl_unlock(subsys_id); diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c index 75747aecdebe..43ddeee404e9 100644 --- a/net/netfilter/xt_CT.c +++ b/net/netfilter/xt_CT.c @@ -184,7 +184,6 @@ out: static int xt_ct_tg_check(const struct xt_tgchk_param *par, struct xt_ct_target_info_v1 *info) { - struct nf_conntrack_tuple t; struct nf_conn *ct; int ret = -EOPNOTSUPP; @@ -202,11 +201,11 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par, if (ret < 0) goto err1; - memset(&t, 0, sizeof(t)); - ct = nf_conntrack_alloc(par->net, info->zone, &t, &t, GFP_KERNEL); - ret = PTR_ERR(ct); - if (IS_ERR(ct)) + ct = nf_ct_tmpl_alloc(par->net, info->zone, GFP_KERNEL); + if (!ct) { + ret = -ENOMEM; goto err2; + } ret = 0; if ((info->ct_events || info->exp_events) && @@ -227,8 +226,8 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par, if (ret < 0) goto err3; } - - nf_conntrack_tmpl_insert(par->net, ct); + __set_bit(IPS_CONFIRMED_BIT, &ct->status); + nf_conntrack_get(&ct->ct_general); out: info->ct = ct; return 0; diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c index f407ebc13481..29d2c31f406c 100644 --- a/net/netfilter/xt_IDLETIMER.c +++ b/net/netfilter/xt_IDLETIMER.c @@ -126,6 +126,7 @@ static int idletimer_tg_create(struct idletimer_tg_info *info) goto out; } + sysfs_attr_init(&info->timer->attr.attr); info->timer->attr.attr.name = kstrdup(info->label, GFP_KERNEL); if (!info->timer->attr.attr.name) { ret = -ENOMEM; diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index dea925388a5b..67d210477863 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -158,7 +158,7 @@ static int __netlink_remove_tap(struct netlink_tap *nt) out: spin_unlock(&netlink_tap_lock); - if (found && nt->module) + if (found) module_put(nt->module); return found ? 0 : -ENODEV; @@ -357,25 +357,52 @@ err1: return NULL; } + +static void +__netlink_set_ring(struct sock *sk, struct nl_mmap_req *req, bool tx_ring, void **pg_vec, + unsigned int order) +{ + struct netlink_sock *nlk = nlk_sk(sk); + struct sk_buff_head *queue; + struct netlink_ring *ring; + + queue = tx_ring ? &sk->sk_write_queue : &sk->sk_receive_queue; + ring = tx_ring ? &nlk->tx_ring : &nlk->rx_ring; + + spin_lock_bh(&queue->lock); + + ring->frame_max = req->nm_frame_nr - 1; + ring->head = 0; + ring->frame_size = req->nm_frame_size; + ring->pg_vec_pages = req->nm_block_size / PAGE_SIZE; + + swap(ring->pg_vec_len, req->nm_block_nr); + swap(ring->pg_vec_order, order); + swap(ring->pg_vec, pg_vec); + + __skb_queue_purge(queue); + spin_unlock_bh(&queue->lock); + + WARN_ON(atomic_read(&nlk->mapped)); + + if (pg_vec) + free_pg_vec(pg_vec, order, req->nm_block_nr); +} + static int netlink_set_ring(struct sock *sk, struct nl_mmap_req *req, - bool closing, bool tx_ring) + bool tx_ring) { struct netlink_sock *nlk = nlk_sk(sk); struct netlink_ring *ring; - struct sk_buff_head *queue; void **pg_vec = NULL; unsigned int order = 0; - int err; ring = tx_ring ? &nlk->tx_ring : &nlk->rx_ring; - queue = tx_ring ? &sk->sk_write_queue : &sk->sk_receive_queue; - if (!closing) { - if (atomic_read(&nlk->mapped)) - return -EBUSY; - if (atomic_read(&ring->pending)) - return -EBUSY; - } + if (atomic_read(&nlk->mapped)) + return -EBUSY; + if (atomic_read(&ring->pending)) + return -EBUSY; if (req->nm_block_nr) { if (ring->pg_vec != NULL) @@ -407,31 +434,19 @@ static int netlink_set_ring(struct sock *sk, struct nl_mmap_req *req, return -EINVAL; } - err = -EBUSY; mutex_lock(&nlk->pg_vec_lock); - if (closing || atomic_read(&nlk->mapped) == 0) { - err = 0; - spin_lock_bh(&queue->lock); - - ring->frame_max = req->nm_frame_nr - 1; - ring->head = 0; - ring->frame_size = req->nm_frame_size; - ring->pg_vec_pages = req->nm_block_size / PAGE_SIZE; - - swap(ring->pg_vec_len, req->nm_block_nr); - swap(ring->pg_vec_order, order); - swap(ring->pg_vec, pg_vec); - - __skb_queue_purge(queue); - spin_unlock_bh(&queue->lock); - - WARN_ON(atomic_read(&nlk->mapped)); + if (atomic_read(&nlk->mapped) == 0) { + __netlink_set_ring(sk, req, tx_ring, pg_vec, order); + mutex_unlock(&nlk->pg_vec_lock); + return 0; } + mutex_unlock(&nlk->pg_vec_lock); if (pg_vec) free_pg_vec(pg_vec, order, req->nm_block_nr); - return err; + + return -EBUSY; } static void netlink_mm_open(struct vm_area_struct *vma) @@ -900,10 +915,10 @@ static void netlink_sock_destruct(struct sock *sk) memset(&req, 0, sizeof(req)); if (nlk->rx_ring.pg_vec) - netlink_set_ring(sk, &req, true, false); + __netlink_set_ring(sk, &req, false, NULL, 0); memset(&req, 0, sizeof(req)); if (nlk->tx_ring.pg_vec) - netlink_set_ring(sk, &req, true, true); + __netlink_set_ring(sk, &req, true, NULL, 0); } #endif /* CONFIG_NETLINK_MMAP */ @@ -1081,6 +1096,11 @@ static int netlink_insert(struct sock *sk, u32 portid) err = __netlink_insert(table, sk); if (err) { + /* In case the hashtable backend returns with -EBUSY + * from here, it must not escape to the caller. + */ + if (unlikely(err == -EBUSY)) + err = -EOVERFLOW; if (err == -EEXIST) err = -EADDRINUSE; nlk_sk(sk)->portid = 0; @@ -2223,7 +2243,7 @@ static int netlink_setsockopt(struct socket *sock, int level, int optname, return -EINVAL; if (copy_from_user(&req, optval, sizeof(req))) return -EFAULT; - err = netlink_set_ring(sk, &req, false, + err = netlink_set_ring(sk, &req, optname == NETLINK_TX_RING); break; } diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c index 8a8c0b8b4f63..ee34f474ad14 100644 --- a/net/openvswitch/actions.c +++ b/net/openvswitch/actions.c @@ -273,28 +273,36 @@ static int set_eth_addr(struct sk_buff *skb, struct sw_flow_key *flow_key, return 0; } -static void set_ip_addr(struct sk_buff *skb, struct iphdr *nh, - __be32 *addr, __be32 new_addr) +static void update_ip_l4_checksum(struct sk_buff *skb, struct iphdr *nh, + __be32 addr, __be32 new_addr) { int transport_len = skb->len - skb_transport_offset(skb); + if (nh->frag_off & htons(IP_OFFSET)) + return; + if (nh->protocol == IPPROTO_TCP) { if (likely(transport_len >= sizeof(struct tcphdr))) inet_proto_csum_replace4(&tcp_hdr(skb)->check, skb, - *addr, new_addr, 1); + addr, new_addr, 1); } else if (nh->protocol == IPPROTO_UDP) { if (likely(transport_len >= sizeof(struct udphdr))) { struct udphdr *uh = udp_hdr(skb); if (uh->check || skb->ip_summed == CHECKSUM_PARTIAL) { inet_proto_csum_replace4(&uh->check, skb, - *addr, new_addr, 1); + addr, new_addr, 1); if (!uh->check) uh->check = CSUM_MANGLED_0; } } } +} +static void set_ip_addr(struct sk_buff *skb, struct iphdr *nh, + __be32 *addr, __be32 new_addr) +{ + update_ip_l4_checksum(skb, nh, *addr, new_addr); csum_replace4(&nh->check, *addr, new_addr); skb_clear_hash(skb); *addr = new_addr; diff --git a/net/openvswitch/flow_table.c b/net/openvswitch/flow_table.c index 4613df8c8290..65523948fb95 100644 --- a/net/openvswitch/flow_table.c +++ b/net/openvswitch/flow_table.c @@ -752,7 +752,7 @@ int ovs_flow_init(void) BUILD_BUG_ON(sizeof(struct sw_flow_key) % sizeof(long)); flow_cache = kmem_cache_create("sw_flow", sizeof(struct sw_flow) - + (num_possible_nodes() + + (nr_node_ids * sizeof(struct flow_stats *)), 0, 0, NULL); if (flow_cache == NULL) diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index c9e8741226c6..ed458b315ef4 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2403,7 +2403,8 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg) } tp_len = tpacket_fill_skb(po, skb, ph, dev, size_max, proto, addr, hlen); - if (tp_len > dev->mtu + dev->hard_header_len) { + if (likely(tp_len >= 0) && + tp_len > dev->mtu + dev->hard_header_len) { struct ethhdr *ehdr; /* Earlier code assumed this would be a VLAN pkt, * double-check this now that we have the actual @@ -2784,7 +2785,7 @@ static int packet_release(struct socket *sock) static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 proto) { struct packet_sock *po = pkt_sk(sk); - const struct net_device *dev_curr; + struct net_device *dev_curr; __be16 proto_curr; bool need_rehook; @@ -2808,15 +2809,13 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 proto) po->num = proto; po->prot_hook.type = proto; - - if (po->prot_hook.dev) - dev_put(po->prot_hook.dev); - po->prot_hook.dev = dev; po->ifindex = dev ? dev->ifindex : 0; packet_cached_dev_assign(po, dev); } + if (dev_curr) + dev_put(dev_curr); if (proto == 0 || !need_rehook) goto out_unlock; diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c index 273b8bff6ba4..657ba9f5d308 100644 --- a/net/rds/ib_rdma.c +++ b/net/rds/ib_rdma.c @@ -759,8 +759,10 @@ void *rds_ib_get_mr(struct scatterlist *sg, unsigned long nents, } ibmr = rds_ib_alloc_fmr(rds_ibdev); - if (IS_ERR(ibmr)) + if (IS_ERR(ibmr)) { + rds_ib_dev_put(rds_ibdev); return ibmr; + } ret = rds_ib_map_fmr(rds_ibdev, ibmr, sg, nents); if (ret == 0) diff --git a/net/rds/info.c b/net/rds/info.c index 9a6b4f66187c..140a44a5f7b7 100644 --- a/net/rds/info.c +++ b/net/rds/info.c @@ -176,7 +176,7 @@ int rds_info_getsockopt(struct socket *sock, int optname, char __user *optval, /* check for all kinds of wrapping and the like */ start = (unsigned long)optval; - if (len < 0 || len + PAGE_SIZE - 1 < len || start + len < start) { + if (len < 0 || len > INT_MAX - PAGE_SIZE + 1 || start + len < start) { ret = -EINVAL; goto out; } diff --git a/net/rds/transport.c b/net/rds/transport.c index 8b4a6cd2c3a7..83498e1c75b8 100644 --- a/net/rds/transport.c +++ b/net/rds/transport.c @@ -73,7 +73,7 @@ EXPORT_SYMBOL_GPL(rds_trans_unregister); void rds_trans_put(struct rds_transport *trans) { - if (trans && trans->t_owner) + if (trans) module_put(trans->t_owner); } diff --git a/net/sched/act_api.c b/net/sched/act_api.c index af427a3dbcba..43ec92680ae8 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -45,7 +45,7 @@ void tcf_hash_destroy(struct tc_action *a) } EXPORT_SYMBOL(tcf_hash_destroy); -int tcf_hash_release(struct tc_action *a, int bind) +int __tcf_hash_release(struct tc_action *a, bool bind, bool strict) { struct tcf_common *p = a->priv; int ret = 0; @@ -53,7 +53,7 @@ int tcf_hash_release(struct tc_action *a, int bind) if (p) { if (bind) p->tcfc_bindcnt--; - else if (p->tcfc_bindcnt > 0) + else if (strict && p->tcfc_bindcnt > 0) return -EPERM; p->tcfc_refcnt--; @@ -64,9 +64,10 @@ int tcf_hash_release(struct tc_action *a, int bind) ret = 1; } } + return ret; } -EXPORT_SYMBOL(tcf_hash_release); +EXPORT_SYMBOL(__tcf_hash_release); static int tcf_dump_walker(struct sk_buff *skb, struct netlink_callback *cb, struct tc_action *a) @@ -136,7 +137,7 @@ static int tcf_del_walker(struct sk_buff *skb, struct tc_action *a) head = &hinfo->htab[tcf_hash(i, hinfo->hmask)]; hlist_for_each_entry_safe(p, n, head, tcfc_head) { a->priv = p; - ret = tcf_hash_release(a, 0); + ret = __tcf_hash_release(a, false, true); if (ret == ACT_P_DELETED) { module_put(a->ops->owner); n_i++; @@ -408,7 +409,7 @@ int tcf_action_destroy(struct list_head *actions, int bind) int ret = 0; list_for_each_entry_safe(a, tmp, actions, list) { - ret = tcf_hash_release(a, bind); + ret = __tcf_hash_release(a, bind, true); if (ret == ACT_P_DELETED) module_put(a->ops->owner); else if (ret < 0) diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c index 1d56903fd4c7..d0edeb7a1950 100644 --- a/net/sched/act_bpf.c +++ b/net/sched/act_bpf.c @@ -27,9 +27,10 @@ struct tcf_bpf_cfg { struct bpf_prog *filter; struct sock_filter *bpf_ops; - char *bpf_name; + const char *bpf_name; u32 bpf_fd; u16 bpf_num_ops; + bool is_ebpf; }; static int tcf_bpf(struct sk_buff *skb, const struct tc_action *act, @@ -207,6 +208,7 @@ static int tcf_bpf_init_from_ops(struct nlattr **tb, struct tcf_bpf_cfg *cfg) cfg->bpf_ops = bpf_ops; cfg->bpf_num_ops = bpf_num_ops; cfg->filter = fp; + cfg->is_ebpf = false; return 0; } @@ -241,18 +243,40 @@ static int tcf_bpf_init_from_efd(struct nlattr **tb, struct tcf_bpf_cfg *cfg) cfg->bpf_fd = bpf_fd; cfg->bpf_name = name; cfg->filter = fp; + cfg->is_ebpf = true; return 0; } +static void tcf_bpf_cfg_cleanup(const struct tcf_bpf_cfg *cfg) +{ + if (cfg->is_ebpf) + bpf_prog_put(cfg->filter); + else + bpf_prog_destroy(cfg->filter); + + kfree(cfg->bpf_ops); + kfree(cfg->bpf_name); +} + +static void tcf_bpf_prog_fill_cfg(const struct tcf_bpf *prog, + struct tcf_bpf_cfg *cfg) +{ + cfg->is_ebpf = tcf_bpf_is_ebpf(prog); + cfg->filter = prog->filter; + + cfg->bpf_ops = prog->bpf_ops; + cfg->bpf_name = prog->bpf_name; +} + static int tcf_bpf_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action *act, int replace, int bind) { struct nlattr *tb[TCA_ACT_BPF_MAX + 1]; + struct tcf_bpf_cfg cfg, old; struct tc_act_bpf *parm; struct tcf_bpf *prog; - struct tcf_bpf_cfg cfg; bool is_bpf, is_ebpf; int ret; @@ -301,6 +325,9 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla, prog = to_bpf(act); spin_lock_bh(&prog->tcf_lock); + if (ret != ACT_P_CREATED) + tcf_bpf_prog_fill_cfg(prog, &old); + prog->bpf_ops = cfg.bpf_ops; prog->bpf_name = cfg.bpf_name; @@ -316,29 +343,22 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla, if (ret == ACT_P_CREATED) tcf_hash_insert(act); + else + tcf_bpf_cfg_cleanup(&old); return ret; destroy_fp: - if (is_ebpf) - bpf_prog_put(cfg.filter); - else - bpf_prog_destroy(cfg.filter); - - kfree(cfg.bpf_ops); - kfree(cfg.bpf_name); - + tcf_bpf_cfg_cleanup(&cfg); return ret; } static void tcf_bpf_cleanup(struct tc_action *act, int bind) { - const struct tcf_bpf *prog = act->priv; + struct tcf_bpf_cfg tmp; - if (tcf_bpf_is_ebpf(prog)) - bpf_prog_put(prog->filter); - else - bpf_prog_destroy(prog->filter); + tcf_bpf_prog_fill_cfg(act->priv, &tmp); + tcf_bpf_cfg_cleanup(&tmp); } static struct tc_action_ops act_bpf_ops __read_mostly = { diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index a42a3b257226..268545050ddb 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -98,6 +98,8 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, return ret; ret = ACT_P_CREATED; } else { + if (bind) + return 0; if (!ovr) { tcf_hash_release(a, bind); return -EEXIST; diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c index 17e6d6669c7f..ff8b466a73f6 100644 --- a/net/sched/act_pedit.c +++ b/net/sched/act_pedit.c @@ -68,13 +68,12 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, } ret = ACT_P_CREATED; } else { - p = to_pedit(a); - tcf_hash_release(a, bind); if (bind) return 0; + tcf_hash_release(a, bind); if (!ovr) return -EEXIST; - + p = to_pedit(a); if (p->tcfp_nkeys && p->tcfp_nkeys != parm->nkeys) { keys = kmalloc(ksize, GFP_KERNEL); if (keys == NULL) diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c index c79ecfd36e0f..e5168f8b9640 100644 --- a/net/sched/cls_bpf.c +++ b/net/sched/cls_bpf.c @@ -378,7 +378,7 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb, goto errout; if (oldprog) { - list_replace_rcu(&prog->link, &oldprog->link); + list_replace_rcu(&oldprog->link, &prog->link); tcf_unbind_filter(tp, &oldprog->res); call_rcu(&oldprog->rcu, __cls_bpf_delete_prog); } else { diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c index 76bc3a20ffdb..bb2a0f529c1f 100644 --- a/net/sched/cls_flow.c +++ b/net/sched/cls_flow.c @@ -425,6 +425,8 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, if (!fnew) goto err2; + tcf_exts_init(&fnew->exts, TCA_FLOW_ACT, TCA_FLOW_POLICE); + fold = (struct flow_filter *)*arg; if (fold) { err = -EINVAL; @@ -486,7 +488,6 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, fnew->mask = ~0U; fnew->tp = tp; get_random_bytes(&fnew->hashrnd, 4); - tcf_exts_init(&fnew->exts, TCA_FLOW_ACT, TCA_FLOW_POLICE); } fnew->perturb_timer.function = flow_perturbation; @@ -526,7 +527,7 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, if (*arg == 0) list_add_tail_rcu(&fnew->list, &head->filters); else - list_replace_rcu(&fnew->list, &fold->list); + list_replace_rcu(&fold->list, &fnew->list); *arg = (unsigned long)fnew; diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index 9d37ccd95062..2f3d03f99487 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -499,7 +499,7 @@ static int fl_change(struct net *net, struct sk_buff *in_skb, *arg = (unsigned long) fnew; if (fold) { - list_replace_rcu(&fnew->list, &fold->list); + list_replace_rcu(&fold->list, &fnew->list); tcf_unbind_filter(tp, &fold->res); call_rcu(&fold->rcu, fl_destroy_filter); } else { diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c index 93d5742dc7e0..6a783afe4960 100644 --- a/net/sched/sch_choke.c +++ b/net/sched/sch_choke.c @@ -385,6 +385,19 @@ static void choke_reset(struct Qdisc *sch) { struct choke_sched_data *q = qdisc_priv(sch); + while (q->head != q->tail) { + struct sk_buff *skb = q->tab[q->head]; + + q->head = (q->head + 1) & q->tab_mask; + if (!skb) + continue; + qdisc_qstats_backlog_dec(sch, skb); + --sch->q.qlen; + qdisc_drop(skb, sch); + } + + memset(q->tab, 0, (q->tab_mask + 1) * sizeof(struct sk_buff *)); + q->head = q->tail = 0; red_restart(&q->vars); } diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c index d75993f89fac..a9ba030435a2 100644 --- a/net/sched/sch_fq_codel.c +++ b/net/sched/sch_fq_codel.c @@ -155,14 +155,23 @@ static unsigned int fq_codel_drop(struct Qdisc *sch) skb = dequeue_head(flow); len = qdisc_pkt_len(skb); q->backlogs[idx] -= len; - kfree_skb(skb); sch->q.qlen--; qdisc_qstats_drop(sch); qdisc_qstats_backlog_dec(sch, skb); + kfree_skb(skb); flow->dropped++; return idx; } +static unsigned int fq_codel_qdisc_drop(struct Qdisc *sch) +{ + unsigned int prev_backlog; + + prev_backlog = sch->qstats.backlog; + fq_codel_drop(sch); + return prev_backlog - sch->qstats.backlog; +} + static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch) { struct fq_codel_sched_data *q = qdisc_priv(sch); @@ -279,10 +288,26 @@ begin: static void fq_codel_reset(struct Qdisc *sch) { - struct sk_buff *skb; + struct fq_codel_sched_data *q = qdisc_priv(sch); + int i; - while ((skb = fq_codel_dequeue(sch)) != NULL) - kfree_skb(skb); + INIT_LIST_HEAD(&q->new_flows); + INIT_LIST_HEAD(&q->old_flows); + for (i = 0; i < q->flows_cnt; i++) { + struct fq_codel_flow *flow = q->flows + i; + + while (flow->head) { + struct sk_buff *skb = dequeue_head(flow); + + qdisc_qstats_backlog_dec(sch, skb); + kfree_skb(skb); + } + + INIT_LIST_HEAD(&flow->flowchain); + codel_vars_init(&flow->cvars); + } + memset(q->backlogs, 0, q->flows_cnt * sizeof(u32)); + sch->q.qlen = 0; } static const struct nla_policy fq_codel_policy[TCA_FQ_CODEL_MAX + 1] = { @@ -604,7 +629,7 @@ static struct Qdisc_ops fq_codel_qdisc_ops __read_mostly = { .enqueue = fq_codel_enqueue, .dequeue = fq_codel_dequeue, .peek = qdisc_peek_dequeued, - .drop = fq_codel_drop, + .drop = fq_codel_qdisc_drop, .init = fq_codel_init, .reset = fq_codel_reset, .destroy = fq_codel_destroy, diff --git a/net/sched/sch_plug.c b/net/sched/sch_plug.c index 89f8fcf73f18..ade9445a55ab 100644 --- a/net/sched/sch_plug.c +++ b/net/sched/sch_plug.c @@ -216,6 +216,7 @@ static struct Qdisc_ops plug_qdisc_ops __read_mostly = { .peek = qdisc_peek_head, .init = plug_init, .change = plug_change, + .reset = qdisc_reset_queue, .owner = THIS_MODULE, }; diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 7d1492663360..52f75a5473e1 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -306,10 +306,10 @@ drop: len = qdisc_pkt_len(skb); slot->backlog -= len; sfq_dec(q, x); - kfree_skb(skb); sch->q.qlen--; qdisc_qstats_drop(sch); qdisc_qstats_backlog_dec(sch, skb); + kfree_skb(skb); return len; } diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 1425ec2bbd5a..17bef01b9aa3 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -2200,12 +2200,6 @@ static int sctp_setsockopt_events(struct sock *sk, char __user *optval, if (copy_from_user(&sctp_sk(sk)->subscribe, optval, optlen)) return -EFAULT; - if (sctp_sk(sk)->subscribe.sctp_data_io_event) - pr_warn_ratelimited(DEPRECATED "%s (pid %d) " - "Requested SCTP_SNDRCVINFO event.\n" - "Use SCTP_RCVINFO through SCTP_RECVRCVINFO option instead.\n", - current->comm, task_pid_nr(current)); - /* At the time when a user app subscribes to SCTP_SENDER_DRY_EVENT, * if there is no data to be sent or retransmit, the stack will * immediately send up this notification. diff --git a/net/sunrpc/backchannel_rqst.c b/net/sunrpc/backchannel_rqst.c index 9825ff0f91d6..6255d141133b 100644 --- a/net/sunrpc/backchannel_rqst.c +++ b/net/sunrpc/backchannel_rqst.c @@ -240,8 +240,8 @@ static struct rpc_rqst *xprt_alloc_bc_request(struct rpc_xprt *xprt, __be32 xid) req = xprt_alloc_bc_req(xprt, GFP_ATOMIC); if (!req) goto not_found; - /* Note: this 'free' request adds it to xprt->bc_pa_list */ - xprt_free_bc_request(req); + list_add_tail(&req->rq_bc_pa_list, &xprt->bc_pa_list); + xprt->bc_alloc_count++; } req = list_first_entry(&xprt->bc_pa_list, struct rpc_rqst, rq_bc_pa_list); @@ -336,7 +336,7 @@ void xprt_complete_bc_request(struct rpc_rqst *req, uint32_t copied) spin_lock(&xprt->bc_pa_lock); list_del(&req->rq_bc_pa_list); - xprt->bc_alloc_count--; + xprt_dec_alloc_count(xprt, 1); spin_unlock(&xprt->bc_pa_lock); req->rq_private_buf.len = copied; diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index cbc6af923dd1..23608eb0ded2 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1902,6 +1902,7 @@ call_transmit_status(struct rpc_task *task) switch (task->tk_status) { case -EAGAIN: + case -ENOBUFS: break; default: dprint_status(task); @@ -1928,7 +1929,6 @@ call_transmit_status(struct rpc_task *task) case -ECONNABORTED: case -EADDRINUSE: case -ENOTCONN: - case -ENOBUFS: case -EPIPE: rpc_task_force_reencode(task); } @@ -2057,12 +2057,13 @@ call_status(struct rpc_task *task) case -ECONNABORTED: rpc_force_rebind(clnt); case -EADDRINUSE: - case -ENOBUFS: rpc_delay(task, 3*HZ); case -EPIPE: case -ENOTCONN: task->tk_action = call_bind; break; + case -ENOBUFS: + rpc_delay(task, HZ>>2); case -EAGAIN: task->tk_action = call_transmit; break; diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index e193c2b5476b..0030376327b7 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -527,6 +527,10 @@ static int xs_local_send_request(struct rpc_task *task) true, &sent); dprintk("RPC: %s(%u) = %d\n", __func__, xdr->len - req->rq_bytes_sent, status); + + if (status == -EAGAIN && sock_writeable(transport->inet)) + status = -ENOBUFS; + if (likely(sent > 0) || status == 0) { req->rq_bytes_sent += sent; req->rq_xmit_bytes_sent += sent; @@ -539,6 +543,7 @@ static int xs_local_send_request(struct rpc_task *task) switch (status) { case -ENOBUFS: + break; case -EAGAIN: status = xs_nospace(task); break; @@ -589,6 +594,9 @@ static int xs_udp_send_request(struct rpc_task *task) if (status == -EPERM) goto process_status; + if (status == -EAGAIN && sock_writeable(transport->inet)) + status = -ENOBUFS; + if (sent > 0 || status == 0) { req->rq_xmit_bytes_sent += sent; if (sent >= req->rq_slen) @@ -669,9 +677,6 @@ static int xs_tcp_send_request(struct rpc_task *task) dprintk("RPC: xs_tcp_send_request(%u) = %d\n", xdr->len - req->rq_bytes_sent, status); - if (unlikely(sent == 0 && status < 0)) - break; - /* If we've sent the entire packet, immediately * reset the count of bytes sent. */ req->rq_bytes_sent += sent; @@ -681,18 +686,21 @@ static int xs_tcp_send_request(struct rpc_task *task) return 0; } - if (sent != 0) - continue; - status = -EAGAIN; - break; + if (status < 0) + break; + if (sent == 0) { + status = -EAGAIN; + break; + } } + if (status == -EAGAIN && sk_stream_is_writeable(transport->inet)) + status = -ENOBUFS; switch (status) { case -ENOTSOCK: status = -ENOTCONN; /* Should we call xs_close() here? */ break; - case -ENOBUFS: case -EAGAIN: status = xs_nospace(task); break; @@ -703,6 +711,7 @@ static int xs_tcp_send_request(struct rpc_task *task) case -ECONNREFUSED: case -ENOTCONN: case -EADDRINUSE: + case -ENOBUFS: case -EPIPE: clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags); } diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index 84f77a054025..9f2add3cba26 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c @@ -171,8 +171,10 @@ int switchdev_port_attr_set(struct net_device *dev, struct switchdev_attr *attr) * released. */ - attr->trans = SWITCHDEV_TRANS_ABORT; - __switchdev_port_attr_set(dev, attr); + if (err != -EOPNOTSUPP) { + attr->trans = SWITCHDEV_TRANS_ABORT; + __switchdev_port_attr_set(dev, attr); + } return err; } @@ -249,8 +251,10 @@ int switchdev_port_obj_add(struct net_device *dev, struct switchdev_obj *obj) * released. */ - obj->trans = SWITCHDEV_TRANS_ABORT; - __switchdev_port_obj_add(dev, obj); + if (err != -EOPNOTSUPP) { + obj->trans = SWITCHDEV_TRANS_ABORT; + __switchdev_port_obj_add(dev, obj); + } return err; } diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 46b6ed534ef2..3a7567f690f3 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -2007,6 +2007,7 @@ static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags) res = tipc_sk_create(sock_net(sock->sk), new_sock, 0, 1); if (res) goto exit; + security_sk_clone(sock->sk, new_sock->sk); new_sk = new_sock->sk; new_tsock = tipc_sk(new_sk); diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 915b328b9ac5..59cabc9bce69 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -797,23 +797,18 @@ static bool cfg80211_ir_permissive_chan(struct wiphy *wiphy, return false; } -bool cfg80211_reg_can_beacon(struct wiphy *wiphy, - struct cfg80211_chan_def *chandef, - enum nl80211_iftype iftype) +static bool _cfg80211_reg_can_beacon(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype, + bool check_no_ir) { bool res; u32 prohibited_flags = IEEE80211_CHAN_DISABLED | IEEE80211_CHAN_RADAR; - trace_cfg80211_reg_can_beacon(wiphy, chandef, iftype); + trace_cfg80211_reg_can_beacon(wiphy, chandef, iftype, check_no_ir); - /* - * Under certain conditions suggested by some regulatory bodies a - * GO/STA can IR on channels marked with IEEE80211_NO_IR. Set this flag - * only if such relaxations are not enabled and the conditions are not - * met. - */ - if (!cfg80211_ir_permissive_chan(wiphy, iftype, chandef->chan)) + if (check_no_ir) prohibited_flags |= IEEE80211_CHAN_NO_IR; if (cfg80211_chandef_dfs_required(wiphy, chandef, iftype) > 0 && @@ -827,8 +822,36 @@ bool cfg80211_reg_can_beacon(struct wiphy *wiphy, trace_cfg80211_return_bool(res); return res; } + +bool cfg80211_reg_can_beacon(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype) +{ + return _cfg80211_reg_can_beacon(wiphy, chandef, iftype, true); +} EXPORT_SYMBOL(cfg80211_reg_can_beacon); +bool cfg80211_reg_can_beacon_relax(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype) +{ + bool check_no_ir; + + ASSERT_RTNL(); + + /* + * Under certain conditions suggested by some regulatory bodies a + * GO/STA can IR on channels marked with IEEE80211_NO_IR. Set this flag + * only if such relaxations are not enabled and the conditions are not + * met. + */ + check_no_ir = !cfg80211_ir_permissive_chan(wiphy, iftype, + chandef->chan); + + return _cfg80211_reg_can_beacon(wiphy, chandef, iftype, check_no_ir); +} +EXPORT_SYMBOL(cfg80211_reg_can_beacon_relax); + int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, struct cfg80211_chan_def *chandef) { diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index c264effd00a6..76b41578a838 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -2003,7 +2003,8 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, switch (iftype) { case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: - if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, iftype)) { + if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, + iftype)) { result = -EINVAL; break; } @@ -3403,8 +3404,8 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) } else if (!nl80211_get_ap_channel(rdev, ¶ms)) return -EINVAL; - if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, - wdev->iftype)) + if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, + wdev->iftype)) return -EINVAL; if (info->attrs[NL80211_ATTR_ACL_POLICY]) { @@ -6492,8 +6493,8 @@ skip_beacons: if (err) return err; - if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, - wdev->iftype)) + if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, + wdev->iftype)) return -EINVAL; err = cfg80211_chandef_dfs_required(wdev->wiphy, @@ -10170,7 +10171,8 @@ static int nl80211_tdls_channel_switch(struct sk_buff *skb, return -EINVAL; /* we will be active on the TDLS link */ - if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, wdev->iftype)) + if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, + wdev->iftype)) return -EINVAL; /* don't allow switching to DFS channels */ diff --git a/net/wireless/reg.c b/net/wireless/reg.c index d359e0610198..aa2d75482017 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -544,15 +544,15 @@ static int call_crda(const char *alpha2) reg_regdb_query(alpha2); if (reg_crda_timeouts > REG_MAX_CRDA_TIMEOUTS) { - pr_info("Exceeded CRDA call max attempts. Not calling CRDA\n"); + pr_debug("Exceeded CRDA call max attempts. Not calling CRDA\n"); return -EINVAL; } if (!is_world_regdom((char *) alpha2)) - pr_info("Calling CRDA for country: %c%c\n", + pr_debug("Calling CRDA for country: %c%c\n", alpha2[0], alpha2[1]); else - pr_info("Calling CRDA to update world regulatory domain\n"); + pr_debug("Calling CRDA to update world regulatory domain\n"); return kobject_uevent_env(®_pdev->dev.kobj, KOBJ_CHANGE, env); } @@ -1589,7 +1589,7 @@ static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev) case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: case NL80211_IFTYPE_ADHOC: - return cfg80211_reg_can_beacon(wiphy, &chandef, iftype); + return cfg80211_reg_can_beacon_relax(wiphy, &chandef, iftype); case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_P2P_CLIENT: return cfg80211_chandef_usable(wiphy, &chandef, diff --git a/net/wireless/trace.h b/net/wireless/trace.h index af3617c9879e..a808279a432a 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -2358,20 +2358,23 @@ TRACE_EVENT(cfg80211_cqm_rssi_notify, TRACE_EVENT(cfg80211_reg_can_beacon, TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef, - enum nl80211_iftype iftype), - TP_ARGS(wiphy, chandef, iftype), + enum nl80211_iftype iftype, bool check_no_ir), + TP_ARGS(wiphy, chandef, iftype, check_no_ir), TP_STRUCT__entry( WIPHY_ENTRY CHAN_DEF_ENTRY __field(enum nl80211_iftype, iftype) + __field(bool, check_no_ir) ), TP_fast_assign( WIPHY_ASSIGN; CHAN_DEF_ASSIGN(chandef); __entry->iftype = iftype; + __entry->check_no_ir = check_no_ir; ), - TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT ", iftype=%d", - WIPHY_PR_ARG, CHAN_DEF_PR_ARG, __entry->iftype) + TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT ", iftype=%d check_no_ir=%s", + WIPHY_PR_ARG, CHAN_DEF_PR_ARG, __entry->iftype, + BOOL_TO_STR(__entry->check_no_ir)) ); TRACE_EVENT(cfg80211_chandef_dfs_required, diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h index 8965d1bb8811..125d6402f64f 100644 --- a/samples/trace_events/trace-events-sample.h +++ b/samples/trace_events/trace-events-sample.h @@ -168,7 +168,10 @@ * * For __dynamic_array(int, foo, bar) use __get_dynamic_array(foo) * Use __get_dynamic_array_len(foo) to get the length of the array - * saved. + * saved. Note, __get_dynamic_array_len() returns the total allocated + * length of the dynamic array; __print_array() expects the second + * parameter to be the number of elements. To get that, the array length + * needs to be divided by the element size. * * For __string(foo, bar) use __get_str(foo) * @@ -288,7 +291,7 @@ TRACE_EVENT(foo_bar, * This prints out the array that is defined by __array in a nice format. */ __print_array(__get_dynamic_array(list), - __get_dynamic_array_len(list), + __get_dynamic_array_len(list) / sizeof(int), sizeof(int)), __get_str(str), __get_bitmask(cpus)) ); diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 90e1edc8dd42..d5c8e9a3a73c 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2599,7 +2599,7 @@ sub process { # if LONG_LINE is ignored, the other 2 types are also ignored # - if ($length > $max_line_length) { + if ($line =~ /^\+/ && $length > $max_line_length) { my $msg_type = "LONG_LINE"; # Check the allowed long line types first diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl index 9cb8522d8d22..f3d3fb42b873 100755 --- a/scripts/kconfig/streamline_config.pl +++ b/scripts/kconfig/streamline_config.pl @@ -137,7 +137,7 @@ my $ksource = ($ARGV[0] ? $ARGV[0] : '.'); my $kconfig = $ARGV[1]; my $lsmod_file = $ENV{'LSMOD'}; -my @makefiles = `find $ksource -name Makefile 2>/dev/null`; +my @makefiles = `find $ksource -name Makefile -or -name Kbuild 2>/dev/null`; chomp @makefiles; my %depends; diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c index eff7de1fc82e..e70fcd12eeeb 100644 --- a/scripts/mod/devicetable-offsets.c +++ b/scripts/mod/devicetable-offsets.c @@ -63,6 +63,8 @@ int main(void) DEVID(acpi_device_id); DEVID_FIELD(acpi_device_id, id); + DEVID_FIELD(acpi_device_id, cls); + DEVID_FIELD(acpi_device_id, cls_msk); DEVID(pnp_device_id); DEVID_FIELD(pnp_device_id, id); diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 84c86f3cd6cd..5f2088209132 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -523,12 +523,40 @@ static int do_serio_entry(const char *filename, } ADD_TO_DEVTABLE("serio", serio_device_id, do_serio_entry); -/* looks like: "acpi:ACPI0003 or acpi:PNP0C0B" or "acpi:LNXVIDEO" */ +/* looks like: "acpi:ACPI0003" or "acpi:PNP0C0B" or "acpi:LNXVIDEO" or + * "acpi:bbsspp" (bb=base-class, ss=sub-class, pp=prog-if) + * + * NOTE: Each driver should use one of the following : _HID, _CIDs + * or _CLS. Also, bb, ss, and pp can be substituted with ?? + * as don't care byte. + */ static int do_acpi_entry(const char *filename, void *symval, char *alias) { DEF_FIELD_ADDR(symval, acpi_device_id, id); - sprintf(alias, "acpi*:%s:*", *id); + DEF_FIELD_ADDR(symval, acpi_device_id, cls); + DEF_FIELD_ADDR(symval, acpi_device_id, cls_msk); + + if (id && strlen((const char *)*id)) + sprintf(alias, "acpi*:%s:*", *id); + else if (cls) { + int i, byte_shift, cnt = 0; + unsigned int msk; + + sprintf(&alias[cnt], "acpi*:"); + cnt = 6; + for (i = 1; i <= 3; i++) { + byte_shift = 8 * (3-i); + msk = (*cls_msk >> byte_shift) & 0xFF; + if (msk) + sprintf(&alias[cnt], "%02x", + (*cls >> byte_shift) & 0xFF); + else + sprintf(&alias[cnt], "??"); + cnt += 2; + } + sprintf(&alias[cnt], ":*"); + } return 1; } ADD_TO_DEVTABLE("acpi", acpi_device_id, do_acpi_entry); diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 91ee1b2e0f9a..12d3db3bd46b 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -886,7 +886,8 @@ static void check_section(const char *modname, struct elf_info *elf, #define TEXT_SECTIONS ".text", ".text.unlikely", ".sched.text", \ ".kprobes.text" #define OTHER_TEXT_SECTIONS ".ref.text", ".head.text", ".spinlock.text", \ - ".fixup", ".entry.text", ".exception.text", ".text.*" + ".fixup", ".entry.text", ".exception.text", ".text.*", \ + ".coldtext" #define INIT_SECTIONS ".init.*" #define MEM_INIT_SECTIONS ".meminit.*" diff --git a/security/keys/keyring.c b/security/keys/keyring.c index e72548b5897e..d33437007ad2 100644 --- a/security/keys/keyring.c +++ b/security/keys/keyring.c @@ -1181,9 +1181,11 @@ void __key_link_end(struct key *keyring, if (index_key->type == &key_type_keyring) up_write(&keyring_serialise_link_sem); - if (edit && !edit->dead_leaf) { - key_payload_reserve(keyring, - keyring->datalen - KEYQUOTA_LINK_BYTES); + if (edit) { + if (!edit->dead_leaf) { + key_payload_reserve(keyring, + keyring->datalen - KEYQUOTA_LINK_BYTES); + } assoc_array_cancel_edit(edit); } up_write(&keyring->sem); diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 623108199641..564079c5c49d 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -3283,7 +3283,8 @@ static int file_map_prot_check(struct file *file, unsigned long prot, int shared int rc = 0; if (default_noexec && - (prot & PROT_EXEC) && (!file || (!shared && (prot & PROT_WRITE)))) { + (prot & PROT_EXEC) && (!file || IS_PRIVATE(file_inode(file)) || + (!shared && (prot & PROT_WRITE)))) { /* * We are making executable an anonymous mapping or a * private file mapping that will also be writable. diff --git a/security/selinux/ss/ebitmap.c b/security/selinux/ss/ebitmap.c index afe6a269ec17..57644b1dc42e 100644 --- a/security/selinux/ss/ebitmap.c +++ b/security/selinux/ss/ebitmap.c @@ -153,6 +153,12 @@ int ebitmap_netlbl_import(struct ebitmap *ebmap, if (offset == (u32)-1) return 0; + /* don't waste ebitmap space if the netlabel bitmap is empty */ + if (bitmap == 0) { + offset += EBITMAP_UNIT_SIZE; + continue; + } + if (e_iter == NULL || offset >= e_iter->startbit + EBITMAP_SIZE) { e_prev = e_iter; diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c index 9ed32502470e..5ebb89687936 100644 --- a/security/yama/yama_lsm.c +++ b/security/yama/yama_lsm.c @@ -406,6 +406,7 @@ static __init int yama_init(void) */ if (!security_module_enable("yama")) return 0; + yama_add_hooks(); #endif pr_info("Yama: becoming mindful.\n"); diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index d126c03361ae..75888dd38a7f 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -85,7 +85,7 @@ static DECLARE_RWSEM(snd_pcm_link_rwsem); void snd_pcm_stream_lock(struct snd_pcm_substream *substream) { if (substream->pcm->nonatomic) { - down_read(&snd_pcm_link_rwsem); + down_read_nested(&snd_pcm_link_rwsem, SINGLE_DEPTH_NESTING); mutex_lock(&substream->self_group.mutex); } else { read_lock(&snd_pcm_link_rwlock); diff --git a/sound/firewire/amdtp.c b/sound/firewire/amdtp.c index 7bb988fa6b6d..2a153d260836 100644 --- a/sound/firewire/amdtp.c +++ b/sound/firewire/amdtp.c @@ -740,8 +740,9 @@ static int handle_in_packet(struct amdtp_stream *s, s->data_block_counter != UINT_MAX) data_block_counter = s->data_block_counter; - if (((s->flags & CIP_SKIP_DBC_ZERO_CHECK) && data_block_counter == 0) || - (s->data_block_counter == UINT_MAX)) { + if (((s->flags & CIP_SKIP_DBC_ZERO_CHECK) && + data_block_counter == s->tx_first_dbc) || + s->data_block_counter == UINT_MAX) { lost = false; } else if (!(s->flags & CIP_DBC_IS_END_EVENT)) { lost = data_block_counter != s->data_block_counter; diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h index 26b909329e54..b2cf9e75693b 100644 --- a/sound/firewire/amdtp.h +++ b/sound/firewire/amdtp.h @@ -157,6 +157,8 @@ struct amdtp_stream { /* quirk: fixed interval of dbc between previos/current packets. */ unsigned int tx_dbc_interval; + /* quirk: indicate the value of dbc field in a first packet. */ + unsigned int tx_first_dbc; bool callbacked; wait_queue_head_t callback_wait; diff --git a/sound/firewire/fireworks/fireworks.c b/sound/firewire/fireworks/fireworks.c index 2682e7e3e5c9..c94a432f7cc6 100644 --- a/sound/firewire/fireworks/fireworks.c +++ b/sound/firewire/fireworks/fireworks.c @@ -248,8 +248,16 @@ efw_probe(struct fw_unit *unit, err = get_hardware_info(efw); if (err < 0) goto error; + /* AudioFire8 (since 2009) and AudioFirePre8 */ if (entry->model_id == MODEL_ECHO_AUDIOFIRE_9) efw->is_af9 = true; + /* These models uses the same firmware. */ + if (entry->model_id == MODEL_ECHO_AUDIOFIRE_2 || + entry->model_id == MODEL_ECHO_AUDIOFIRE_4 || + entry->model_id == MODEL_ECHO_AUDIOFIRE_9 || + entry->model_id == MODEL_GIBSON_RIP || + entry->model_id == MODEL_GIBSON_GOLDTOP) + efw->is_fireworks3 = true; snd_efw_proc_init(efw); diff --git a/sound/firewire/fireworks/fireworks.h b/sound/firewire/fireworks/fireworks.h index 4f0201a95222..084d414b228c 100644 --- a/sound/firewire/fireworks/fireworks.h +++ b/sound/firewire/fireworks/fireworks.h @@ -71,6 +71,7 @@ struct snd_efw { /* for quirks */ bool is_af9; + bool is_fireworks3; u32 firmware_version; unsigned int midi_in_ports; diff --git a/sound/firewire/fireworks/fireworks_stream.c b/sound/firewire/fireworks/fireworks_stream.c index c55db1bddc80..7e353f1f7bff 100644 --- a/sound/firewire/fireworks/fireworks_stream.c +++ b/sound/firewire/fireworks/fireworks_stream.c @@ -172,6 +172,15 @@ int snd_efw_stream_init_duplex(struct snd_efw *efw) efw->tx_stream.flags |= CIP_DBC_IS_END_EVENT; /* Fireworks reset dbc at bus reset. */ efw->tx_stream.flags |= CIP_SKIP_DBC_ZERO_CHECK; + /* + * But Recent firmwares starts packets with non-zero dbc. + * Driver version 5.7.6 installs firmware version 5.7.3. + */ + if (efw->is_fireworks3 && + (efw->firmware_version == 0x5070000 || + efw->firmware_version == 0x5070300 || + efw->firmware_version == 0x5080000)) + efw->tx_stream.tx_first_dbc = 0x02; /* AudioFire9 always reports wrong dbs. */ if (efw->is_af9) efw->tx_stream.flags |= CIP_WRONG_DBS; diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c index b2da19b60f4e..358f16195483 100644 --- a/sound/hda/ext/hdac_ext_controller.c +++ b/sound/hda/ext/hdac_ext_controller.c @@ -44,16 +44,10 @@ int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *ebus) offset = snd_hdac_chip_readl(bus, LLCH); - if (offset < 0) - return -EIO; - /* Lets walk the linked capabilities list */ do { cur_cap = _snd_hdac_chip_read(l, bus, offset); - if (cur_cap < 0) - return -EIO; - dev_dbg(bus->dev, "Capability version: 0x%x\n", ((cur_cap & AZX_CAP_HDR_VER_MASK) >> AZX_CAP_HDR_VER_OFF)); diff --git a/sound/hda/ext/hdac_ext_stream.c b/sound/hda/ext/hdac_ext_stream.c index f8ffbdbb450d..3de47dd1a76d 100644 --- a/sound/hda/ext/hdac_ext_stream.c +++ b/sound/hda/ext/hdac_ext_stream.c @@ -299,7 +299,7 @@ hdac_ext_host_stream_assign(struct hdac_ext_bus *ebus, if (stream->direction != substream->stream) continue; - if (stream->opened) { + if (!stream->opened) { if (!hstream->decoupled) snd_hdac_ext_stream_decouple(ebus, hstream, true); res = hstream; diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c index 442500e06b7c..5676b849379d 100644 --- a/sound/hda/hdac_i915.c +++ b/sound/hda/hdac_i915.c @@ -56,8 +56,11 @@ int snd_hdac_display_power(struct hdac_bus *bus, bool enable) enable ? "enable" : "disable"); if (enable) { - if (!bus->i915_power_refcount++) + if (!bus->i915_power_refcount++) { acomp->ops->get_power(acomp->dev); + snd_hdac_set_codec_wakeup(bus, true); + snd_hdac_set_codec_wakeup(bus, false); + } } else { WARN_ON(!bus->i915_power_refcount); if (!--bus->i915_power_refcount) diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index ac0db1679f09..b077bb644434 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -5175,7 +5175,7 @@ static int alt_playback_pcm_open(struct hda_pcm_stream *hinfo, int err = 0; mutex_lock(&spec->pcm_mutex); - if (!spec->indep_hp_enabled) + if (spec->indep_hp && !spec->indep_hp_enabled) err = -EBUSY; else spec->active_streams |= 1 << STREAM_INDEP_HP; diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 745535d1840a..c38c68f57938 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -867,7 +867,7 @@ static int azx_suspend(struct device *dev) chip = card->private_data; hda = container_of(chip, struct hda_intel, chip); - if (chip->disabled || hda->init_failed) + if (chip->disabled || hda->init_failed || !chip->running) return 0; bus = azx_bus(chip); @@ -902,7 +902,7 @@ static int azx_resume(struct device *dev) chip = card->private_data; hda = container_of(chip, struct hda_intel, chip); - if (chip->disabled || hda->init_failed) + if (chip->disabled || hda->init_failed || !chip->running) return 0; if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL @@ -979,14 +979,16 @@ static int azx_runtime_resume(struct device *dev) if (!azx_has_pm_runtime(chip)) return 0; - if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL - && hda->need_i915_power) { - bus = azx_bus(chip); - snd_hdac_display_power(bus, true); - haswell_set_bclk(hda); - /* toggle codec wakeup bit for STATESTS read */ - snd_hdac_set_codec_wakeup(bus, true); - snd_hdac_set_codec_wakeup(bus, false); + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) { + bus = azx_bus(chip); + if (hda->need_i915_power) { + snd_hdac_display_power(bus, true); + haswell_set_bclk(hda); + } else { + /* toggle codec wakeup bit for STATESTS read */ + snd_hdac_set_codec_wakeup(bus, true); + snd_hdac_set_codec_wakeup(bus, false); + } } /* Read STATESTS before controller reset */ @@ -1025,7 +1027,7 @@ static int azx_runtime_idle(struct device *dev) return 0; if (!power_save_controller || !azx_has_pm_runtime(chip) || - azx_bus(chip)->codec_powered) + azx_bus(chip)->codec_powered || !chip->running) return -EBUSY; return 0; @@ -2182,6 +2184,8 @@ static const struct pci_device_id azx_ids[] = { /* ATI HDMI */ { PCI_DEVICE(0x1002, 0x1308), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, + { PCI_DEVICE(0x1002, 0x157a), + .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0x793b), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0x7919), @@ -2236,8 +2240,14 @@ static const struct pci_device_id azx_ids[] = { .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaab0), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, + { PCI_DEVICE(0x1002, 0xaac0), + .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaac8), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, + { PCI_DEVICE(0x1002, 0xaad8), + .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, + { PCI_DEVICE(0x1002, 0xaae8), + .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, /* VIA VT8251/VT8237A */ { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA | AZX_DCAPS_POSFIX_VIA }, diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index 25ccf781fbe7..584a0343ab0c 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -999,9 +999,7 @@ static void cs4210_spdif_automute(struct hda_codec *codec, spec->spdif_present = spdif_present; /* SPDIF TX on/off */ - if (spdif_present) - snd_hda_set_pin_ctl(codec, spdif_pin, - spdif_present ? PIN_OUT : 0); + snd_hda_set_pin_ctl(codec, spdif_pin, spdif_present ? PIN_OUT : 0); cs_automute(codec); } diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 2f2433845d04..a97db5fc8a15 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -3512,6 +3512,7 @@ static const struct hda_codec_preset snd_hda_preset_hdmi[] = { { .id = 0x10de0070, .name = "GPU 70 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0071, .name = "GPU 71 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0072, .name = "GPU 72 HDMI/DP", .patch = patch_nvhdmi }, +{ .id = 0x10de007d, .name = "GPU 7d HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch }, { .id = 0x11069f80, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi }, { .id = 0x11069f81, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi }, @@ -3527,6 +3528,7 @@ static const struct hda_codec_preset snd_hda_preset_hdmi[] = { { .id = 0x80862807, .name = "Haswell HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862808, .name = "Broadwell HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862809, .name = "Skylake HDMI", .patch = patch_generic_hdmi }, +{ .id = 0x8086280a, .name = "Broxton HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862880, .name = "CedarTrail HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862882, .name = "Valleyview2 HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862883, .name = "Braswell HDMI", .patch = patch_generic_hdmi }, @@ -3575,6 +3577,7 @@ MODULE_ALIAS("snd-hda-codec-id:10de0067"); MODULE_ALIAS("snd-hda-codec-id:10de0070"); MODULE_ALIAS("snd-hda-codec-id:10de0071"); MODULE_ALIAS("snd-hda-codec-id:10de0072"); +MODULE_ALIAS("snd-hda-codec-id:10de007d"); MODULE_ALIAS("snd-hda-codec-id:10de8001"); MODULE_ALIAS("snd-hda-codec-id:11069f80"); MODULE_ALIAS("snd-hda-codec-id:11069f81"); @@ -3591,6 +3594,7 @@ MODULE_ALIAS("snd-hda-codec-id:80862806"); MODULE_ALIAS("snd-hda-codec-id:80862807"); MODULE_ALIAS("snd-hda-codec-id:80862808"); MODULE_ALIAS("snd-hda-codec-id:80862809"); +MODULE_ALIAS("snd-hda-codec-id:8086280a"); MODULE_ALIAS("snd-hda-codec-id:80862880"); MODULE_ALIAS("snd-hda-codec-id:80862882"); MODULE_ALIAS("snd-hda-codec-id:80862883"); diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index b3b44681d3cf..374ea53288ca 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2222,7 +2222,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x106b, 0x4300, "iMac 9,1", ALC889_FIXUP_IMAC91_VREF), SND_PCI_QUIRK(0x106b, 0x4600, "MacbookPro 5,2", ALC889_FIXUP_IMAC91_VREF), SND_PCI_QUIRK(0x106b, 0x4900, "iMac 9,1 Aluminum", ALC889_FIXUP_IMAC91_VREF), - SND_PCI_QUIRK(0x106b, 0x4a00, "Macbook 5,2", ALC889_FIXUP_IMAC91_VREF), + SND_PCI_QUIRK(0x106b, 0x4a00, "Macbook 5,2", ALC889_FIXUP_MBA11_VREF), SND_PCI_QUIRK(0x1071, 0x8258, "Evesham Voyaeger", ALC882_FIXUP_EAPD), SND_PCI_QUIRK(0x1462, 0x7350, "MSI-7350", ALC889_FIXUP_CD), @@ -4441,6 +4441,55 @@ static void alc290_fixup_mono_speakers(struct hda_codec *codec, } } +/* Hook to update amp GPIO4 for automute */ +static void alc280_hp_gpio4_automute_hook(struct hda_codec *codec, + struct hda_jack_callback *jack) +{ + struct alc_spec *spec = codec->spec; + + snd_hda_gen_hp_automute(codec, jack); + /* mute_led_polarity is set to 0, so we pass inverted value here */ + alc_update_gpio_led(codec, 0x10, !spec->gen.hp_jack_present); +} + +/* Manage GPIOs for HP EliteBook Folio 9480m. + * + * GPIO4 is the headphone amplifier power control + * GPIO3 is the audio output mute indicator LED + */ + +static void alc280_fixup_hp_9480m(struct hda_codec *codec, + const struct hda_fixup *fix, + int action) +{ + struct alc_spec *spec = codec->spec; + static const struct hda_verb gpio_init[] = { + { 0x01, AC_VERB_SET_GPIO_MASK, 0x18 }, + { 0x01, AC_VERB_SET_GPIO_DIRECTION, 0x18 }, + {} + }; + + if (action == HDA_FIXUP_ACT_PRE_PROBE) { + /* Set the hooks to turn the headphone amp on/off + * as needed + */ + spec->gen.vmaster_mute.hook = alc_fixup_gpio_mute_hook; + spec->gen.hp_automute_hook = alc280_hp_gpio4_automute_hook; + + /* The GPIOs are currently off */ + spec->gpio_led = 0; + + /* GPIO3 is connected to the output mute LED, + * high is on, low is off + */ + spec->mute_led_polarity = 0; + spec->gpio_mute_led_mask = 0x08; + + /* Initialize GPIO configuration */ + snd_hda_add_verbs(codec, gpio_init); + } +} + /* for hda_fixup_thinkpad_acpi() */ #include "thinkpad_helper.c" @@ -4521,6 +4570,7 @@ enum { ALC286_FIXUP_HP_GPIO_LED, ALC280_FIXUP_HP_GPIO2_MIC_HOTKEY, ALC280_FIXUP_HP_DOCK_PINS, + ALC280_FIXUP_HP_9480M, ALC288_FIXUP_DELL_HEADSET_MODE, ALC288_FIXUP_DELL1_MIC_NO_PRESENCE, ALC288_FIXUP_DELL_XPS_13_GPIO6, @@ -5011,7 +5061,7 @@ static const struct hda_fixup alc269_fixups[] = { { 0x14, 0x90170110 }, { 0x17, 0x40000008 }, { 0x18, 0x411111f0 }, - { 0x19, 0x411111f0 }, + { 0x19, 0x01a1913c }, { 0x1a, 0x411111f0 }, { 0x1b, 0x411111f0 }, { 0x1d, 0x40f89b2d }, @@ -5043,6 +5093,10 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC280_FIXUP_HP_GPIO4 }, + [ALC280_FIXUP_HP_9480M] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc280_fixup_hp_9480m, + }, [ALC288_FIXUP_DELL_HEADSET_MODE] = { .type = HDA_FIXUP_FUNC, .v.func = alc_fixup_headset_mode_dell_alc288, @@ -5131,9 +5185,12 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x064a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x064b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x0665, "Dell XPS 13", ALC288_FIXUP_DELL_XPS_13), + SND_PCI_QUIRK(0x1028, 0x069a, "Dell Vostro 5480", ALC290_FIXUP_SUBWOOFER_HSJACK), SND_PCI_QUIRK(0x1028, 0x06c7, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x06d9, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x06da, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1028, 0x06de, "Dell", ALC292_FIXUP_DISABLE_AAMIX), + SND_PCI_QUIRK(0x1028, 0x06db, "Dell", ALC292_FIXUP_DISABLE_AAMIX), SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2), @@ -5161,6 +5218,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x22b7, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x22bf, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x22cf, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22db, "HP", ALC280_FIXUP_HP_9480M), SND_PCI_QUIRK(0x103c, 0x22dc, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), SND_PCI_QUIRK(0x103c, 0x22fb, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), /* ALC290 */ @@ -5234,6 +5292,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x220c, "Thinkpad T440s", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x220e, "Thinkpad T440p", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2210, "Thinkpad T540p", ALC292_FIXUP_TPT440_DOCK), + SND_PCI_QUIRK(0x17aa, 0x2211, "Thinkpad W541", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2212, "Thinkpad T440", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2214, "Thinkpad X240", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), @@ -5343,8 +5402,6 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {0x19, 0x411111f0}, \ {0x1a, 0x411111f0}, \ {0x1b, 0x411111f0}, \ - {0x1d, 0x40700001}, \ - {0x1e, 0x411111f0}, \ {0x21, 0x02211020} #define ALC282_STANDARD_PINS \ @@ -5375,8 +5432,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {0x15, 0x0221401f}, \ {0x1a, 0x411111f0}, \ {0x1b, 0x411111f0}, \ - {0x1d, 0x40700001}, \ - {0x1e, 0x411111f0} + {0x1d, 0x40700001} #define ALC298_STANDARD_PINS \ {0x18, 0x411111f0}, \ @@ -5408,6 +5464,39 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x1d, 0x40700001}, {0x21, 0x02211030}), SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, + {0x12, 0x40000000}, + {0x14, 0x90170130}, + {0x17, 0x411111f0}, + {0x18, 0x411111f0}, + {0x19, 0x411111f0}, + {0x1a, 0x411111f0}, + {0x1b, 0x01014020}, + {0x1d, 0x4054c029}, + {0x1e, 0x411111f0}, + {0x21, 0x0221103f}), + SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, + {0x12, 0x40000000}, + {0x14, 0x90170150}, + {0x17, 0x411111f0}, + {0x18, 0x411111f0}, + {0x19, 0x411111f0}, + {0x1a, 0x411111f0}, + {0x1b, 0x02011020}, + {0x1d, 0x4054c029}, + {0x1e, 0x411111f0}, + {0x21, 0x0221105f}), + SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, + {0x12, 0x40000000}, + {0x14, 0x90170110}, + {0x17, 0x411111f0}, + {0x18, 0x411111f0}, + {0x19, 0x411111f0}, + {0x1a, 0x411111f0}, + {0x1b, 0x01014020}, + {0x1d, 0x4054c029}, + {0x1e, 0x411111f0}, + {0x21, 0x0221101f}), + SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, {0x12, 0x90a60160}, {0x14, 0x90170120}, {0x17, 0x90170140}, @@ -5469,10 +5558,19 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x21, 0x02211030}), SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, ALC256_STANDARD_PINS, - {0x13, 0x40000000}), + {0x13, 0x40000000}, + {0x1d, 0x40700001}, + {0x1e, 0x411111f0}), + SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, + ALC256_STANDARD_PINS, + {0x13, 0x411111f0}, + {0x1d, 0x40700001}, + {0x1e, 0x411111f0}), SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, ALC256_STANDARD_PINS, - {0x13, 0x411111f0}), + {0x13, 0x411111f0}, + {0x1d, 0x4077992d}, + {0x1e, 0x411111ff}), SND_HDA_PIN_QUIRK(0x10ec0280, 0x103c, "HP", ALC280_FIXUP_HP_GPIO4, {0x12, 0x90a60130}, {0x13, 0x40000000}, @@ -5635,35 +5733,48 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x13, 0x411111f0}, {0x16, 0x01014020}, {0x18, 0x411111f0}, - {0x19, 0x01a19030}), + {0x19, 0x01a19030}, + {0x1e, 0x411111f0}), SND_HDA_PIN_QUIRK(0x10ec0292, 0x1028, "Dell", ALC269_FIXUP_DELL2_MIC_NO_PRESENCE, ALC292_STANDARD_PINS, {0x12, 0x90a60140}, {0x13, 0x411111f0}, {0x16, 0x01014020}, {0x18, 0x02a19031}, - {0x19, 0x01a1903e}), + {0x19, 0x01a1903e}, + {0x1e, 0x411111f0}), SND_HDA_PIN_QUIRK(0x10ec0292, 0x1028, "Dell", ALC269_FIXUP_DELL3_MIC_NO_PRESENCE, ALC292_STANDARD_PINS, {0x12, 0x90a60140}, {0x13, 0x411111f0}, {0x16, 0x411111f0}, {0x18, 0x411111f0}, - {0x19, 0x411111f0}), + {0x19, 0x411111f0}, + {0x1e, 0x411111f0}), SND_HDA_PIN_QUIRK(0x10ec0293, 0x1028, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE, ALC292_STANDARD_PINS, {0x12, 0x40000000}, {0x13, 0x90a60140}, {0x16, 0x21014020}, {0x18, 0x411111f0}, - {0x19, 0x21a19030}), + {0x19, 0x21a19030}, + {0x1e, 0x411111f0}), SND_HDA_PIN_QUIRK(0x10ec0293, 0x1028, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE, ALC292_STANDARD_PINS, {0x12, 0x40000000}, {0x13, 0x90a60140}, {0x16, 0x411111f0}, {0x18, 0x411111f0}, - {0x19, 0x411111f0}), + {0x19, 0x411111f0}, + {0x1e, 0x411111f0}), + SND_HDA_PIN_QUIRK(0x10ec0293, 0x1028, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE, + ALC292_STANDARD_PINS, + {0x12, 0x40000000}, + {0x13, 0x90a60140}, + {0x16, 0x21014020}, + {0x18, 0x411111f0}, + {0x19, 0x21a19030}, + {0x1e, 0x411111ff}), SND_HDA_PIN_QUIRK(0x10ec0298, 0x1028, "Dell", ALC298_FIXUP_DELL1_MIC_NO_PRESENCE, ALC298_STANDARD_PINS, {0x12, 0x90a60130}, diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index dcc7fe91244c..9d947aef2c8b 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -2920,7 +2920,8 @@ static const struct snd_pci_quirk stac92hd83xxx_fixup_tbl[] = { SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x148a, "HP Mini", STAC_92HD83XXX_HP_LED), SND_PCI_QUIRK_VENDOR(PCI_VENDOR_ID_HP, "HP", STAC_92HD83XXX_HP), - SND_PCI_QUIRK(PCI_VENDOR_ID_TOSHIBA, 0xfa91, + /* match both for 0xfa91 and 0xfa93 */ + SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_TOSHIBA, 0xfffd, 0xfa91, "Toshiba Satellite S50D", STAC_92HD83XXX_GPIO10_EAPD), {} /* terminator */ }; diff --git a/sound/pci/oxygen/oxygen_mixer.c b/sound/pci/oxygen/oxygen_mixer.c index 6492bca8c70f..4ca12665ff73 100644 --- a/sound/pci/oxygen/oxygen_mixer.c +++ b/sound/pci/oxygen/oxygen_mixer.c @@ -88,7 +88,7 @@ static int dac_mute_put(struct snd_kcontrol *ctl, int changed; mutex_lock(&chip->mutex); - changed = !value->value.integer.value[0] != chip->dac_mute; + changed = (!value->value.integer.value[0]) != chip->dac_mute; if (changed) { chip->dac_mute = !value->value.integer.value[0]; chip->model.update_dac_mute(chip); diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig index 2ae9619443d1..1d651b8a8957 100644 --- a/sound/soc/Kconfig +++ b/sound/soc/Kconfig @@ -30,6 +30,9 @@ config SND_SOC_GENERIC_DMAENGINE_PCM bool select SND_DMAENGINE_PCM +config SND_SOC_TOPOLOGY + bool + # All the supported SoCs source "sound/soc/adi/Kconfig" source "sound/soc/atmel/Kconfig" diff --git a/sound/soc/Makefile b/sound/soc/Makefile index e189903fabf4..669648b41d30 100644 --- a/sound/soc/Makefile +++ b/sound/soc/Makefile @@ -1,6 +1,9 @@ snd-soc-core-objs := soc-core.o soc-dapm.o soc-jack.o soc-cache.o soc-utils.o snd-soc-core-objs += soc-pcm.o soc-compress.o soc-io.o soc-devres.o soc-ops.o + +ifneq ($(CONFIG_SND_SOC_TOPOLOGY),) snd-soc-core-objs += soc-topology.o +endif ifneq ($(CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM),) snd-soc-core-objs += soc-generic-dmaengine-pcm.o diff --git a/sound/soc/codecs/cs4265.c b/sound/soc/codecs/cs4265.c index d7ec4756e45b..8e36198474d9 100644 --- a/sound/soc/codecs/cs4265.c +++ b/sound/soc/codecs/cs4265.c @@ -457,14 +457,14 @@ static int cs4265_pcm_hw_params(struct snd_pcm_substream *substream, case SND_SOC_DAIFMT_RIGHT_J: if (params_width(params) == 16) { snd_soc_update_bits(codec, CS4265_DAC_CTL, - CS4265_DAC_CTL_DIF, (1 << 5)); + CS4265_DAC_CTL_DIF, (2 << 4)); snd_soc_update_bits(codec, CS4265_SPDIF_CTL2, - CS4265_SPDIF_CTL2_DIF, (1 << 7)); + CS4265_SPDIF_CTL2_DIF, (2 << 6)); } else { snd_soc_update_bits(codec, CS4265_DAC_CTL, - CS4265_DAC_CTL_DIF, (3 << 5)); + CS4265_DAC_CTL_DIF, (3 << 4)); snd_soc_update_bits(codec, CS4265_SPDIF_CTL2, - CS4265_SPDIF_CTL2_DIF, (1 << 7)); + CS4265_SPDIF_CTL2_DIF, (3 << 6)); } break; case SND_SOC_DAIFMT_LEFT_J: @@ -473,7 +473,7 @@ static int cs4265_pcm_hw_params(struct snd_pcm_substream *substream, snd_soc_update_bits(codec, CS4265_ADC_CTL, CS4265_ADC_DIF, 0); snd_soc_update_bits(codec, CS4265_SPDIF_CTL2, - CS4265_SPDIF_CTL2_DIF, (1 << 6)); + CS4265_SPDIF_CTL2_DIF, 0); break; default: diff --git a/sound/soc/codecs/pcm1681.c b/sound/soc/codecs/pcm1681.c index 477e13d30971..e7ba557979cb 100644 --- a/sound/soc/codecs/pcm1681.c +++ b/sound/soc/codecs/pcm1681.c @@ -102,7 +102,7 @@ static int pcm1681_set_deemph(struct snd_soc_codec *codec) if (val != -1) { regmap_update_bits(priv->regmap, PCM1681_DEEMPH_CONTROL, - PCM1681_DEEMPH_RATE_MASK, val); + PCM1681_DEEMPH_RATE_MASK, val << 3); enable = 1; } else enable = 0; diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index 9ce311e088fc..961bd7e5877e 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -2943,6 +2943,9 @@ static int rt5645_irq_detection(struct rt5645_priv *rt5645) { int val, btn_type, gpio_state = 0, report = 0; + if (!rt5645->codec) + return -EINVAL; + switch (rt5645->pdata.jd_mode) { case 0: /* Not using rt5645 JD */ if (rt5645->gpiod_hp_det) { @@ -3338,6 +3341,8 @@ static int rt5645_i2c_probe(struct i2c_client *i2c, break; case RT5645_DMIC_DATA_GPIO5: + regmap_update_bits(rt5645->regmap, RT5645_GPIO_CTRL1, + RT5645_I2S2_DAC_PIN_MASK, RT5645_I2S2_DAC_PIN_GPIO); regmap_update_bits(rt5645->regmap, RT5645_DMIC_CTRL1, RT5645_DMIC_1_DP_MASK, RT5645_DMIC_1_DP_GPIO5); regmap_update_bits(rt5645->regmap, RT5645_GPIO_CTRL1, diff --git a/sound/soc/codecs/rt5645.h b/sound/soc/codecs/rt5645.h index 0353a6a273ab..278bb9f464c4 100644 --- a/sound/soc/codecs/rt5645.h +++ b/sound/soc/codecs/rt5645.h @@ -1693,6 +1693,10 @@ #define RT5645_GP6_PIN_SFT 6 #define RT5645_GP6_PIN_GPIO6 (0x0 << 6) #define RT5645_GP6_PIN_DMIC2_SDA (0x1 << 6) +#define RT5645_I2S2_DAC_PIN_MASK (0x1 << 4) +#define RT5645_I2S2_DAC_PIN_SFT 4 +#define RT5645_I2S2_DAC_PIN_I2S (0x0 << 4) +#define RT5645_I2S2_DAC_PIN_GPIO (0x1 << 4) #define RT5645_GP8_PIN_MASK (0x1 << 3) #define RT5645_GP8_PIN_SFT 3 #define RT5645_GP8_PIN_GPIO8 (0x0 << 3) diff --git a/sound/soc/codecs/sgtl5000.h b/sound/soc/codecs/sgtl5000.h index bd7a344bf8c5..1c317de26176 100644 --- a/sound/soc/codecs/sgtl5000.h +++ b/sound/soc/codecs/sgtl5000.h @@ -275,7 +275,7 @@ #define SGTL5000_BIAS_CTRL_MASK 0x000e #define SGTL5000_BIAS_CTRL_SHIFT 1 #define SGTL5000_BIAS_CTRL_WIDTH 3 -#define SGTL5000_SMALL_POP 0 +#define SGTL5000_SMALL_POP 1 /* * SGTL5000_CHIP_MIC_CTRL diff --git a/sound/soc/codecs/ssm4567.c b/sound/soc/codecs/ssm4567.c index 938d2cb6d78b..84a4f5ad8064 100644 --- a/sound/soc/codecs/ssm4567.c +++ b/sound/soc/codecs/ssm4567.c @@ -315,7 +315,13 @@ static int ssm4567_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) if (invert_fclk) ctrl1 |= SSM4567_SAI_CTRL_1_FSYNC; - return regmap_write(ssm4567->regmap, SSM4567_REG_SAI_CTRL_1, ctrl1); + return regmap_update_bits(ssm4567->regmap, SSM4567_REG_SAI_CTRL_1, + SSM4567_SAI_CTRL_1_BCLK | + SSM4567_SAI_CTRL_1_FSYNC | + SSM4567_SAI_CTRL_1_LJ | + SSM4567_SAI_CTRL_1_TDM | + SSM4567_SAI_CTRL_1_PDM, + ctrl1); } static int ssm4567_set_power(struct ssm4567 *ssm4567, bool enable) diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index c7647e066cfd..c0b940e2019f 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -633,7 +633,7 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, sub *= 100000; do_div(sub, freq); - if (sub < savesub) { + if (sub < savesub && !(i == 0 && psr == 0 && div2 == 0)) { baudrate = tmprate; savesub = sub; pm = i; diff --git a/sound/soc/intel/Makefile b/sound/soc/intel/Makefile index 3853ec2ddbc7..6de5d5cd3280 100644 --- a/sound/soc/intel/Makefile +++ b/sound/soc/intel/Makefile @@ -7,4 +7,4 @@ obj-$(CONFIG_SND_SOC_INTEL_BAYTRAIL) += baytrail/ obj-$(CONFIG_SND_SST_MFLD_PLATFORM) += atom/ # Machine support -obj-$(CONFIG_SND_SOC_INTEL_SST) += boards/ +obj-$(CONFIG_SND_SOC) += boards/ diff --git a/sound/soc/intel/atom/sst/sst_drv_interface.c b/sound/soc/intel/atom/sst/sst_drv_interface.c index 620da1d1b9e3..0e0e4d9c021f 100644 --- a/sound/soc/intel/atom/sst/sst_drv_interface.c +++ b/sound/soc/intel/atom/sst/sst_drv_interface.c @@ -42,6 +42,11 @@ #define MIN_FRAGMENT_SIZE (50 * 1024) #define MAX_FRAGMENT_SIZE (1024 * 1024) #define SST_GET_BYTES_PER_SAMPLE(pcm_wd_sz) (((pcm_wd_sz + 15) >> 4) << 1) +#ifdef CONFIG_PM +#define GET_USAGE_COUNT(dev) (atomic_read(&dev->power.usage_count)) +#else +#define GET_USAGE_COUNT(dev) 1 +#endif int free_stream_context(struct intel_sst_drv *ctx, unsigned int str_id) { @@ -141,15 +146,9 @@ static int sst_power_control(struct device *dev, bool state) int ret = 0; int usage_count = 0; -#ifdef CONFIG_PM - usage_count = atomic_read(&dev->power.usage_count); -#else - usage_count = 1; -#endif - if (state == true) { ret = pm_runtime_get_sync(dev); - + usage_count = GET_USAGE_COUNT(dev); dev_dbg(ctx->dev, "Enable: pm usage count: %d\n", usage_count); if (ret < 0) { dev_err(ctx->dev, "Runtime get failed with err: %d\n", ret); @@ -164,6 +163,7 @@ static int sst_power_control(struct device *dev, bool state) } } } else { + usage_count = GET_USAGE_COUNT(dev); dev_dbg(ctx->dev, "Disable: pm usage count: %d\n", usage_count); return sst_pm_runtime_put(ctx); } diff --git a/sound/soc/intel/baytrail/sst-baytrail-ipc.c b/sound/soc/intel/baytrail/sst-baytrail-ipc.c index 4c01bb43928d..5bbaa667bec1 100644 --- a/sound/soc/intel/baytrail/sst-baytrail-ipc.c +++ b/sound/soc/intel/baytrail/sst-baytrail-ipc.c @@ -701,6 +701,8 @@ int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata) if (byt == NULL) return -ENOMEM; + byt->dev = dev; + ipc = &byt->ipc; ipc->dev = dev; ipc->ops.tx_msg = byt_tx_msg; diff --git a/sound/soc/intel/boards/cht_bsw_max98090_ti.c b/sound/soc/intel/boards/cht_bsw_max98090_ti.c index d604ee80eda4..70f832114a5a 100644 --- a/sound/soc/intel/boards/cht_bsw_max98090_ti.c +++ b/sound/soc/intel/boards/cht_bsw_max98090_ti.c @@ -69,12 +69,12 @@ static const struct snd_soc_dapm_route cht_audio_map[] = { {"Headphone", NULL, "HPR"}, {"Ext Spk", NULL, "SPKL"}, {"Ext Spk", NULL, "SPKR"}, - {"AIF1 Playback", NULL, "ssp2 Tx"}, + {"HiFi Playback", NULL, "ssp2 Tx"}, {"ssp2 Tx", NULL, "codec_out0"}, {"ssp2 Tx", NULL, "codec_out1"}, {"codec_in0", NULL, "ssp2 Rx" }, {"codec_in1", NULL, "ssp2 Rx" }, - {"ssp2 Rx", NULL, "AIF1 Capture"}, + {"ssp2 Rx", NULL, "HiFi Capture"}, }; static const struct snd_kcontrol_new cht_mc_controls[] = { diff --git a/sound/soc/intel/haswell/sst-haswell-ipc.c b/sound/soc/intel/haswell/sst-haswell-ipc.c index f95f271aab0c..f6efa9d4acad 100644 --- a/sound/soc/intel/haswell/sst-haswell-ipc.c +++ b/sound/soc/intel/haswell/sst-haswell-ipc.c @@ -2119,6 +2119,8 @@ int sst_hsw_dsp_init(struct device *dev, struct sst_pdata *pdata) if (hsw == NULL) return -ENOMEM; + hsw->dev = dev; + ipc = &hsw->ipc; ipc->dev = dev; ipc->ops.tx_msg = hsw_tx_msg; diff --git a/sound/soc/mediatek/mt8173-max98090.c b/sound/soc/mediatek/mt8173-max98090.c index 4d44b5803e55..2d2536af141f 100644 --- a/sound/soc/mediatek/mt8173-max98090.c +++ b/sound/soc/mediatek/mt8173-max98090.c @@ -103,7 +103,6 @@ static struct snd_soc_dai_link mt8173_max98090_dais[] = { .name = "MAX98090 Playback", .stream_name = "MAX98090 Playback", .cpu_dai_name = "DL1", - .platform_name = "11220000.mt8173-afe-pcm", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, @@ -114,7 +113,6 @@ static struct snd_soc_dai_link mt8173_max98090_dais[] = { .name = "MAX98090 Capture", .stream_name = "MAX98090 Capture", .cpu_dai_name = "VUL", - .platform_name = "11220000.mt8173-afe-pcm", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, @@ -125,7 +123,6 @@ static struct snd_soc_dai_link mt8173_max98090_dais[] = { { .name = "Codec", .cpu_dai_name = "I2S", - .platform_name = "11220000.mt8173-afe-pcm", .no_pcm = 1, .codec_dai_name = "HiFi", .init = mt8173_max98090_init, @@ -152,9 +149,21 @@ static struct snd_soc_card mt8173_max98090_card = { static int mt8173_max98090_dev_probe(struct platform_device *pdev) { struct snd_soc_card *card = &mt8173_max98090_card; - struct device_node *codec_node; + struct device_node *codec_node, *platform_node; int ret, i; + platform_node = of_parse_phandle(pdev->dev.of_node, + "mediatek,platform", 0); + if (!platform_node) { + dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); + return -EINVAL; + } + for (i = 0; i < card->num_links; i++) { + if (mt8173_max98090_dais[i].platform_name) + continue; + mt8173_max98090_dais[i].platform_of_node = platform_node; + } + codec_node = of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); if (!codec_node) { diff --git a/sound/soc/mediatek/mt8173-rt5650-rt5676.c b/sound/soc/mediatek/mt8173-rt5650-rt5676.c index 094055323059..6f52eca05e26 100644 --- a/sound/soc/mediatek/mt8173-rt5650-rt5676.c +++ b/sound/soc/mediatek/mt8173-rt5650-rt5676.c @@ -138,7 +138,6 @@ static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = { .name = "rt5650_rt5676 Playback", .stream_name = "rt5650_rt5676 Playback", .cpu_dai_name = "DL1", - .platform_name = "11220000.mt8173-afe-pcm", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, @@ -149,7 +148,6 @@ static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = { .name = "rt5650_rt5676 Capture", .stream_name = "rt5650_rt5676 Capture", .cpu_dai_name = "VUL", - .platform_name = "11220000.mt8173-afe-pcm", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, @@ -161,7 +159,6 @@ static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = { { .name = "Codec", .cpu_dai_name = "I2S", - .platform_name = "11220000.mt8173-afe-pcm", .no_pcm = 1, .codecs = mt8173_rt5650_rt5676_codecs, .num_codecs = 2, @@ -209,7 +206,21 @@ static struct snd_soc_card mt8173_rt5650_rt5676_card = { static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev) { struct snd_soc_card *card = &mt8173_rt5650_rt5676_card; - int ret; + struct device_node *platform_node; + int i, ret; + + platform_node = of_parse_phandle(pdev->dev.of_node, + "mediatek,platform", 0); + if (!platform_node) { + dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); + return -EINVAL; + } + + for (i = 0; i < card->num_links; i++) { + if (mt8173_rt5650_rt5676_dais[i].platform_name) + continue; + mt8173_rt5650_rt5676_dais[i].platform_of_node = platform_node; + } mt8173_rt5650_rt5676_codecs[0].of_node = of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); diff --git a/sound/soc/mediatek/mtk-afe-pcm.c b/sound/soc/mediatek/mtk-afe-pcm.c index cc228db5fb76..9863da73dfe0 100644 --- a/sound/soc/mediatek/mtk-afe-pcm.c +++ b/sound/soc/mediatek/mtk-afe-pcm.c @@ -1199,6 +1199,8 @@ err_pm_disable: static int mtk_afe_pcm_dev_remove(struct platform_device *pdev) { pm_runtime_disable(&pdev->dev); + if (!pm_runtime_status_suspended(&pdev->dev)) + mtk_afe_runtime_suspend(&pdev->dev); snd_soc_unregister_component(&pdev->dev); snd_soc_unregister_platform(&pdev->dev); return 0; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 3a4a5c0e3f97..0e1e69c7abd5 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1716,6 +1716,7 @@ card_probe_error: if (card->remove) card->remove(card); + snd_soc_dapm_free(&card->dapm); soc_cleanup_card_debugfs(card); snd_card_free(card->snd_card); diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index aa327c92480c..e0de8072c514 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -358,9 +358,10 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget, data->widget = snd_soc_dapm_new_control_unlocked(widget->dapm, &template); + kfree(name); if (!data->widget) { ret = -ENOMEM; - goto err_name; + goto err_data; } } break; @@ -389,11 +390,12 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget, data->value = template.on_val; - data->widget = snd_soc_dapm_new_control(widget->dapm, - &template); + data->widget = snd_soc_dapm_new_control_unlocked( + widget->dapm, &template); + kfree(name); if (!data->widget) { ret = -ENOMEM; - goto err_name; + goto err_data; } snd_soc_dapm_add_path(widget->dapm, data->widget, @@ -408,8 +410,6 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget, return 0; -err_name: - kfree(name); err_data: kfree(data); return ret; @@ -418,8 +418,6 @@ err_data: static void dapm_kcontrol_free(struct snd_kcontrol *kctl) { struct dapm_kcontrol_data *data = snd_kcontrol_chip(kctl); - if (data->widget) - kfree(data->widget->name); kfree(data->wlist); kfree(data); } @@ -1952,6 +1950,7 @@ static ssize_t dapm_widget_power_read_file(struct file *file, size_t count, loff_t *ppos) { struct snd_soc_dapm_widget *w = file->private_data; + struct snd_soc_card *card = w->dapm->card; char *buf; int in, out; ssize_t ret; @@ -1961,6 +1960,8 @@ static ssize_t dapm_widget_power_read_file(struct file *file, if (!buf) return -ENOMEM; + mutex_lock(&card->dapm_mutex); + /* Supply widgets are not handled by is_connected_{input,output}_ep() */ if (w->is_supply) { in = 0; @@ -2007,6 +2008,8 @@ static ssize_t dapm_widget_power_read_file(struct file *file, p->sink->name); } + mutex_unlock(&card->dapm_mutex); + ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); kfree(buf); @@ -2281,11 +2284,15 @@ static ssize_t dapm_widget_show(struct device *dev, struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); int i, count = 0; + mutex_lock(&rtd->card->dapm_mutex); + for (i = 0; i < rtd->num_codecs; i++) { struct snd_soc_codec *codec = rtd->codec_dais[i]->codec; count += dapm_widget_show_codec(codec, buf + count); } + mutex_unlock(&rtd->card->dapm_mutex); + return count; } @@ -3334,16 +3341,10 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, } prefix = soc_dapm_prefix(dapm); - if (prefix) { + if (prefix) w->name = kasprintf(GFP_KERNEL, "%s %s", prefix, widget->name); - if (widget->sname) - w->sname = kasprintf(GFP_KERNEL, "%s %s", prefix, - widget->sname); - } else { + else w->name = kasprintf(GFP_KERNEL, "%s", widget->name); - if (widget->sname) - w->sname = kasprintf(GFP_KERNEL, "%s", widget->sname); - } if (w->name == NULL) { kfree(w); return NULL; @@ -3792,7 +3793,7 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card) break; } - if (!w->sname || !strstr(w->sname, dai_w->name)) + if (!w->sname || !strstr(w->sname, dai_w->sname)) continue; if (dai_w->id == snd_soc_dapm_dai_in) { diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index d0960683c409..31068b8f3db0 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -33,6 +33,7 @@ #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/soc-topology.h> +#include <sound/tlv.h> /* * We make several passes over the data (since it wont necessarily be ordered) @@ -144,7 +145,7 @@ static const struct snd_soc_tplg_kcontrol_ops io_ops[] = { {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe, snd_soc_put_strobe, NULL}, {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw, - snd_soc_dapm_put_volsw, NULL}, + snd_soc_dapm_put_volsw, snd_soc_info_volsw}, {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double, snd_soc_dapm_put_enum_double, snd_soc_info_enum_double}, {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double, @@ -534,7 +535,7 @@ static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr, k->put = bops[i].put; if (k->get == NULL && bops[i].id == hdr->ops.get) k->get = bops[i].get; - if (k->info == NULL && ops[i].id == hdr->ops.info) + if (k->info == NULL && bops[i].id == hdr->ops.info) k->info = bops[i].info; } @@ -579,29 +580,51 @@ static int soc_tplg_init_kcontrol(struct soc_tplg *tplg, return 0; } + +static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg, + struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale) +{ + unsigned int item_len = 2 * sizeof(unsigned int); + unsigned int *p; + + p = kzalloc(item_len + 2 * sizeof(unsigned int), GFP_KERNEL); + if (!p) + return -ENOMEM; + + p[0] = SNDRV_CTL_TLVT_DB_SCALE; + p[1] = item_len; + p[2] = scale->min; + p[3] = (scale->step & TLV_DB_SCALE_MASK) + | (scale->mute ? TLV_DB_SCALE_MUTE : 0); + + kc->tlv.p = (void *)p; + return 0; +} + static int soc_tplg_create_tlv(struct soc_tplg *tplg, - struct snd_kcontrol_new *kc, u32 tlv_size) + struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc) { struct snd_soc_tplg_ctl_tlv *tplg_tlv; - struct snd_ctl_tlv *tlv; - if (tlv_size == 0) + if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE)) return 0; - tplg_tlv = (struct snd_soc_tplg_ctl_tlv *) tplg->pos; - tplg->pos += tlv_size; - - tlv = kzalloc(sizeof(*tlv) + tlv_size, GFP_KERNEL); - if (tlv == NULL) - return -ENOMEM; - - dev_dbg(tplg->dev, " created TLV type %d size %d bytes\n", - tplg_tlv->numid, tplg_tlv->size); + if (tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { + kc->tlv.c = snd_soc_bytes_tlv_callback; + } else { + tplg_tlv = &tc->tlv; + switch (tplg_tlv->type) { + case SNDRV_CTL_TLVT_DB_SCALE: + return soc_tplg_create_tlv_db_scale(tplg, kc, + &tplg_tlv->scale); - tlv->numid = tplg_tlv->numid; - tlv->length = tplg_tlv->size; - memcpy(tlv->tlv, tplg_tlv + 1, tplg_tlv->size); - kc->tlv.p = (void *)tlv; + /* TODO: add support for other TLV types */ + default: + dev_dbg(tplg->dev, "Unsupported TLV type %d\n", + tplg_tlv->type); + return -EINVAL; + } + } return 0; } @@ -773,7 +796,7 @@ static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count, } /* create any TLV data */ - soc_tplg_create_tlv(tplg, &kc, mc->hdr.tlv_size); + soc_tplg_create_tlv(tplg, &kc, &mc->hdr); /* register control here */ err = soc_tplg_add_kcontrol(tplg, &kc, @@ -1351,6 +1374,7 @@ static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg, template.reg = w->reg; template.shift = w->shift; template.mask = w->mask; + template.subseq = w->subseq; template.on_val = w->invert ? 0 : 1; template.off_val = w->invert ? 1 : 0; template.ignore_suspend = w->ignore_suspend; diff --git a/sound/soc/zte/zx296702-i2s.c b/sound/soc/zte/zx296702-i2s.c index 98d96e1b17e0..1930c42e1f55 100644 --- a/sound/soc/zte/zx296702-i2s.c +++ b/sound/soc/zte/zx296702-i2s.c @@ -393,9 +393,9 @@ static int zx_i2s_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); zx_i2s->mapbase = res->start; zx_i2s->reg_base = devm_ioremap_resource(&pdev->dev, res); - if (!zx_i2s->reg_base) { + if (IS_ERR(zx_i2s->reg_base)) { dev_err(&pdev->dev, "ioremap failed!\n"); - return -EIO; + return PTR_ERR(zx_i2s->reg_base); } writel_relaxed(0, zx_i2s->reg_base + ZX_I2S_FIFO_CTRL); diff --git a/sound/soc/zte/zx296702-spdif.c b/sound/soc/zte/zx296702-spdif.c index 11a0e46a1156..26265ce4caca 100644 --- a/sound/soc/zte/zx296702-spdif.c +++ b/sound/soc/zte/zx296702-spdif.c @@ -322,9 +322,9 @@ static int zx_spdif_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); zx_spdif->mapbase = res->start; zx_spdif->reg_base = devm_ioremap_resource(&pdev->dev, res); - if (!zx_spdif->reg_base) { + if (IS_ERR(zx_spdif->reg_base)) { dev_err(&pdev->dev, "ioremap failed!\n"); - return -EIO; + return PTR_ERR(zx_spdif->reg_base); } zx_spdif_dev_init(zx_spdif->reg_base); diff --git a/sound/sparc/amd7930.c b/sound/sparc/amd7930.c index 1b1a89e80d13..784ceb85b2d9 100644 --- a/sound/sparc/amd7930.c +++ b/sound/sparc/amd7930.c @@ -956,6 +956,7 @@ static int snd_amd7930_create(struct snd_card *card, if (!amd->regs) { snd_printk(KERN_ERR "amd7930-%d: Unable to map chip registers.\n", dev); + kfree(amd); return -EIO; } diff --git a/sound/usb/card.c b/sound/usb/card.c index 1fab9778807a..0450593980fd 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -638,7 +638,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip) int err = -ENODEV; down_read(&chip->shutdown_rwsem); - if (chip->probing && chip->in_pm) + if (chip->probing || chip->in_pm) err = 0; else if (!chip->shutdown) err = usb_autopm_get_interface(chip->pm_intf); diff --git a/sound/usb/line6/pcm.c b/sound/usb/line6/pcm.c index 8461d6bf992f..204cc074adb9 100644 --- a/sound/usb/line6/pcm.c +++ b/sound/usb/line6/pcm.c @@ -186,12 +186,8 @@ static int line6_stream_start(struct snd_line6_pcm *line6pcm, int direction, int ret = 0; spin_lock_irqsave(&pstr->lock, flags); - if (!test_and_set_bit(type, &pstr->running)) { - if (pstr->active_urbs || pstr->unlink_urbs) { - ret = -EBUSY; - goto error; - } - + if (!test_and_set_bit(type, &pstr->running) && + !(pstr->active_urbs || pstr->unlink_urbs)) { pstr->count = 0; /* Submit all currently available URBs */ if (direction == SNDRV_PCM_STREAM_PLAYBACK) @@ -199,7 +195,6 @@ static int line6_stream_start(struct snd_line6_pcm *line6pcm, int direction, else ret = line6_submit_audio_in_all_urbs(line6pcm); } - error: if (ret < 0) clear_bit(type, &pstr->running); spin_unlock_irqrestore(&pstr->lock, flags); diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index e5000da9e9d7..6a803eff87f7 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -341,6 +341,20 @@ static const struct usbmix_name_map scms_usb3318_map[] = { { 0 } }; +/* Bose companion 5, the dB conversion factor is 16 instead of 256 */ +static struct usbmix_dB_map bose_companion5_dB = {-5006, -6}; +static struct usbmix_name_map bose_companion5_map[] = { + { 3, NULL, .dB = &bose_companion5_dB }, + { 0 } /* terminator */ +}; + +/* Dragonfly DAC 1.2, the dB conversion factor is 1 instead of 256 */ +static struct usbmix_dB_map dragonfly_1_2_dB = {0, 5000}; +static struct usbmix_name_map dragonfly_1_2_map[] = { + { 7, NULL, .dB = &dragonfly_1_2_dB }, + { 0 } /* terminator */ +}; + /* * Control map entries */ @@ -451,6 +465,16 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = { .id = USB_ID(0x25c4, 0x0003), .map = scms_usb3318_map, }, + { + /* Bose Companion 5 */ + .id = USB_ID(0x05a7, 0x1020), + .map = bose_companion5_map, + }, + { + /* Dragonfly DAC 1.2 */ + .id = USB_ID(0x21b4, 0x0081), + .map = dragonfly_1_2_map, + }, { 0 } /* terminator */ }; diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 2f6d3e9a1bcd..e4756651a52c 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -2512,6 +2512,74 @@ YAMAHA_DEVICE(0x7010, "UB99"), } }, +/* Steinberg devices */ +{ + /* Steinberg MI2 */ + USB_DEVICE_VENDOR_SPEC(0x0a4e, 0x2040), + .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = & (const struct snd_usb_audio_quirk[]) { + { + .ifnum = 0, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 1, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 2, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 3, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = &(const struct snd_usb_midi_endpoint_info) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + }, + { + .ifnum = -1 + } + } + } +}, +{ + /* Steinberg MI4 */ + USB_DEVICE_VENDOR_SPEC(0x0a4e, 0x4040), + .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = & (const struct snd_usb_audio_quirk[]) { + { + .ifnum = 0, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 1, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 2, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 3, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = &(const struct snd_usb_midi_endpoint_info) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + }, + { + .ifnum = -1 + } + } + } +}, + /* TerraTec devices */ { USB_DEVICE_VENDOR_SPEC(0x0ccd, 0x0012), diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h index f0e72674c52d..9098083869c8 100644 --- a/tools/include/linux/compiler.h +++ b/tools/include/linux/compiler.h @@ -41,4 +41,62 @@ #define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) +#include <linux/types.h> + +static __always_inline void __read_once_size(const volatile void *p, void *res, int size) +{ + switch (size) { + case 1: *(__u8 *)res = *(volatile __u8 *)p; break; + case 2: *(__u16 *)res = *(volatile __u16 *)p; break; + case 4: *(__u32 *)res = *(volatile __u32 *)p; break; + case 8: *(__u64 *)res = *(volatile __u64 *)p; break; + default: + barrier(); + __builtin_memcpy((void *)res, (const void *)p, size); + barrier(); + } +} + +static __always_inline void __write_once_size(volatile void *p, void *res, int size) +{ + switch (size) { + case 1: *(volatile __u8 *)p = *(__u8 *)res; break; + case 2: *(volatile __u16 *)p = *(__u16 *)res; break; + case 4: *(volatile __u32 *)p = *(__u32 *)res; break; + case 8: *(volatile __u64 *)p = *(__u64 *)res; break; + default: + barrier(); + __builtin_memcpy((void *)p, (const void *)res, size); + barrier(); + } +} + +/* + * Prevent the compiler from merging or refetching reads or writes. The + * compiler is also forbidden from reordering successive instances of + * READ_ONCE, WRITE_ONCE and ACCESS_ONCE (see below), but only when the + * compiler is aware of some particular ordering. One way to make the + * compiler aware of ordering is to put the two invocations of READ_ONCE, + * WRITE_ONCE or ACCESS_ONCE() in different C statements. + * + * In contrast to ACCESS_ONCE these two macros will also work on aggregate + * data types like structs or unions. If the size of the accessed data + * type exceeds the word size of the machine (e.g., 32 bits or 64 bits) + * READ_ONCE() and WRITE_ONCE() will fall back to memcpy and print a + * compile-time warning. + * + * Their two major use cases are: (1) Mediating communication between + * process-level code and irq/NMI handlers, all running on the same CPU, + * and (2) Ensuring that the compiler does not fold, spindle, or otherwise + * mutilate accesses that either do not require ordering or that interact + * with an explicit memory barrier or atomic instruction that provides the + * required ordering. + */ + +#define READ_ONCE(x) \ + ({ union { typeof(x) __val; char __c[1]; } __u; __read_once_size(&(x), __u.__c, sizeof(x)); __u.__val; }) + +#define WRITE_ONCE(x, val) \ + ({ union { typeof(x) __val; char __c[1]; } __u = { .__val = (val) }; __write_once_size(&(x), __u.__c, sizeof(x)); __u.__val; }) + #endif /* _TOOLS_LINUX_COMPILER_H */ diff --git a/tools/include/linux/export.h b/tools/include/linux/export.h deleted file mode 100644 index d07e586b9ba0..000000000000 --- a/tools/include/linux/export.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef _TOOLS_LINUX_EXPORT_H_ -#define _TOOLS_LINUX_EXPORT_H_ - -#define EXPORT_SYMBOL(sym) -#define EXPORT_SYMBOL_GPL(sym) -#define EXPORT_SYMBOL_GPL_FUTURE(sym) -#define EXPORT_UNUSED_SYMBOL(sym) -#define EXPORT_UNUSED_SYMBOL_GPL(sym) - -#endif diff --git a/tools/include/linux/rbtree.h b/tools/include/linux/rbtree.h new file mode 100644 index 000000000000..112582253dd0 --- /dev/null +++ b/tools/include/linux/rbtree.h @@ -0,0 +1,104 @@ +/* + Red Black Trees + (C) 1999 Andrea Arcangeli <andrea@suse.de> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + linux/include/linux/rbtree.h + + To use rbtrees you'll have to implement your own insert and search cores. + This will avoid us to use callbacks and to drop drammatically performances. + I know it's not the cleaner way, but in C (not in C++) to get + performances and genericity... + + See Documentation/rbtree.txt for documentation and samples. +*/ + +#ifndef __TOOLS_LINUX_PERF_RBTREE_H +#define __TOOLS_LINUX_PERF_RBTREE_H + +#include <linux/kernel.h> +#include <linux/stddef.h> + +struct rb_node { + unsigned long __rb_parent_color; + struct rb_node *rb_right; + struct rb_node *rb_left; +} __attribute__((aligned(sizeof(long)))); + /* The alignment might seem pointless, but allegedly CRIS needs it */ + +struct rb_root { + struct rb_node *rb_node; +}; + + +#define rb_parent(r) ((struct rb_node *)((r)->__rb_parent_color & ~3)) + +#define RB_ROOT (struct rb_root) { NULL, } +#define rb_entry(ptr, type, member) container_of(ptr, type, member) + +#define RB_EMPTY_ROOT(root) ((root)->rb_node == NULL) + +/* 'empty' nodes are nodes that are known not to be inserted in an rbtree */ +#define RB_EMPTY_NODE(node) \ + ((node)->__rb_parent_color == (unsigned long)(node)) +#define RB_CLEAR_NODE(node) \ + ((node)->__rb_parent_color = (unsigned long)(node)) + + +extern void rb_insert_color(struct rb_node *, struct rb_root *); +extern void rb_erase(struct rb_node *, struct rb_root *); + + +/* Find logical next and previous nodes in a tree */ +extern struct rb_node *rb_next(const struct rb_node *); +extern struct rb_node *rb_prev(const struct rb_node *); +extern struct rb_node *rb_first(const struct rb_root *); +extern struct rb_node *rb_last(const struct rb_root *); + +/* Postorder iteration - always visit the parent after its children */ +extern struct rb_node *rb_first_postorder(const struct rb_root *); +extern struct rb_node *rb_next_postorder(const struct rb_node *); + +/* Fast replacement of a single node without remove/rebalance/add/rebalance */ +extern void rb_replace_node(struct rb_node *victim, struct rb_node *new, + struct rb_root *root); + +static inline void rb_link_node(struct rb_node *node, struct rb_node *parent, + struct rb_node **rb_link) +{ + node->__rb_parent_color = (unsigned long)parent; + node->rb_left = node->rb_right = NULL; + + *rb_link = node; +} + +#define rb_entry_safe(ptr, type, member) \ + ({ typeof(ptr) ____ptr = (ptr); \ + ____ptr ? rb_entry(____ptr, type, member) : NULL; \ + }) + + +/* + * Handy for checking that we are not deleting an entry that is + * already in a list, found in block/{blk-throttle,cfq-iosched}.c, + * probably should be moved to lib/rbtree.c... + */ +static inline void rb_erase_init(struct rb_node *n, struct rb_root *root) +{ + rb_erase(n, root); + RB_CLEAR_NODE(n); +} +#endif /* __TOOLS_LINUX_PERF_RBTREE_H */ diff --git a/tools/include/linux/rbtree_augmented.h b/tools/include/linux/rbtree_augmented.h new file mode 100644 index 000000000000..43be941db695 --- /dev/null +++ b/tools/include/linux/rbtree_augmented.h @@ -0,0 +1,245 @@ +/* + Red Black Trees + (C) 1999 Andrea Arcangeli <andrea@suse.de> + (C) 2002 David Woodhouse <dwmw2@infradead.org> + (C) 2012 Michel Lespinasse <walken@google.com> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + tools/linux/include/linux/rbtree_augmented.h + + Copied from: + linux/include/linux/rbtree_augmented.h +*/ + +#ifndef _TOOLS_LINUX_RBTREE_AUGMENTED_H +#define _TOOLS_LINUX_RBTREE_AUGMENTED_H + +#include <linux/compiler.h> +#include <linux/rbtree.h> + +/* + * Please note - only struct rb_augment_callbacks and the prototypes for + * rb_insert_augmented() and rb_erase_augmented() are intended to be public. + * The rest are implementation details you are not expected to depend on. + * + * See Documentation/rbtree.txt for documentation and samples. + */ + +struct rb_augment_callbacks { + void (*propagate)(struct rb_node *node, struct rb_node *stop); + void (*copy)(struct rb_node *old, struct rb_node *new); + void (*rotate)(struct rb_node *old, struct rb_node *new); +}; + +extern void __rb_insert_augmented(struct rb_node *node, struct rb_root *root, + void (*augment_rotate)(struct rb_node *old, struct rb_node *new)); +/* + * Fixup the rbtree and update the augmented information when rebalancing. + * + * On insertion, the user must update the augmented information on the path + * leading to the inserted node, then call rb_link_node() as usual and + * rb_augment_inserted() instead of the usual rb_insert_color() call. + * If rb_augment_inserted() rebalances the rbtree, it will callback into + * a user provided function to update the augmented information on the + * affected subtrees. + */ +static inline void +rb_insert_augmented(struct rb_node *node, struct rb_root *root, + const struct rb_augment_callbacks *augment) +{ + __rb_insert_augmented(node, root, augment->rotate); +} + +#define RB_DECLARE_CALLBACKS(rbstatic, rbname, rbstruct, rbfield, \ + rbtype, rbaugmented, rbcompute) \ +static inline void \ +rbname ## _propagate(struct rb_node *rb, struct rb_node *stop) \ +{ \ + while (rb != stop) { \ + rbstruct *node = rb_entry(rb, rbstruct, rbfield); \ + rbtype augmented = rbcompute(node); \ + if (node->rbaugmented == augmented) \ + break; \ + node->rbaugmented = augmented; \ + rb = rb_parent(&node->rbfield); \ + } \ +} \ +static inline void \ +rbname ## _copy(struct rb_node *rb_old, struct rb_node *rb_new) \ +{ \ + rbstruct *old = rb_entry(rb_old, rbstruct, rbfield); \ + rbstruct *new = rb_entry(rb_new, rbstruct, rbfield); \ + new->rbaugmented = old->rbaugmented; \ +} \ +static void \ +rbname ## _rotate(struct rb_node *rb_old, struct rb_node *rb_new) \ +{ \ + rbstruct *old = rb_entry(rb_old, rbstruct, rbfield); \ + rbstruct *new = rb_entry(rb_new, rbstruct, rbfield); \ + new->rbaugmented = old->rbaugmented; \ + old->rbaugmented = rbcompute(old); \ +} \ +rbstatic const struct rb_augment_callbacks rbname = { \ + rbname ## _propagate, rbname ## _copy, rbname ## _rotate \ +}; + + +#define RB_RED 0 +#define RB_BLACK 1 + +#define __rb_parent(pc) ((struct rb_node *)(pc & ~3)) + +#define __rb_color(pc) ((pc) & 1) +#define __rb_is_black(pc) __rb_color(pc) +#define __rb_is_red(pc) (!__rb_color(pc)) +#define rb_color(rb) __rb_color((rb)->__rb_parent_color) +#define rb_is_red(rb) __rb_is_red((rb)->__rb_parent_color) +#define rb_is_black(rb) __rb_is_black((rb)->__rb_parent_color) + +static inline void rb_set_parent(struct rb_node *rb, struct rb_node *p) +{ + rb->__rb_parent_color = rb_color(rb) | (unsigned long)p; +} + +static inline void rb_set_parent_color(struct rb_node *rb, + struct rb_node *p, int color) +{ + rb->__rb_parent_color = (unsigned long)p | color; +} + +static inline void +__rb_change_child(struct rb_node *old, struct rb_node *new, + struct rb_node *parent, struct rb_root *root) +{ + if (parent) { + if (parent->rb_left == old) + parent->rb_left = new; + else + parent->rb_right = new; + } else + root->rb_node = new; +} + +extern void __rb_erase_color(struct rb_node *parent, struct rb_root *root, + void (*augment_rotate)(struct rb_node *old, struct rb_node *new)); + +static __always_inline struct rb_node * +__rb_erase_augmented(struct rb_node *node, struct rb_root *root, + const struct rb_augment_callbacks *augment) +{ + struct rb_node *child = node->rb_right, *tmp = node->rb_left; + struct rb_node *parent, *rebalance; + unsigned long pc; + + if (!tmp) { + /* + * Case 1: node to erase has no more than 1 child (easy!) + * + * Note that if there is one child it must be red due to 5) + * and node must be black due to 4). We adjust colors locally + * so as to bypass __rb_erase_color() later on. + */ + pc = node->__rb_parent_color; + parent = __rb_parent(pc); + __rb_change_child(node, child, parent, root); + if (child) { + child->__rb_parent_color = pc; + rebalance = NULL; + } else + rebalance = __rb_is_black(pc) ? parent : NULL; + tmp = parent; + } else if (!child) { + /* Still case 1, but this time the child is node->rb_left */ + tmp->__rb_parent_color = pc = node->__rb_parent_color; + parent = __rb_parent(pc); + __rb_change_child(node, tmp, parent, root); + rebalance = NULL; + tmp = parent; + } else { + struct rb_node *successor = child, *child2; + tmp = child->rb_left; + if (!tmp) { + /* + * Case 2: node's successor is its right child + * + * (n) (s) + * / \ / \ + * (x) (s) -> (x) (c) + * \ + * (c) + */ + parent = successor; + child2 = successor->rb_right; + augment->copy(node, successor); + } else { + /* + * Case 3: node's successor is leftmost under + * node's right child subtree + * + * (n) (s) + * / \ / \ + * (x) (y) -> (x) (y) + * / / + * (p) (p) + * / / + * (s) (c) + * \ + * (c) + */ + do { + parent = successor; + successor = tmp; + tmp = tmp->rb_left; + } while (tmp); + parent->rb_left = child2 = successor->rb_right; + successor->rb_right = child; + rb_set_parent(child, successor); + augment->copy(node, successor); + augment->propagate(parent, successor); + } + + successor->rb_left = tmp = node->rb_left; + rb_set_parent(tmp, successor); + + pc = node->__rb_parent_color; + tmp = __rb_parent(pc); + __rb_change_child(node, successor, tmp, root); + if (child2) { + successor->__rb_parent_color = pc; + rb_set_parent_color(child2, parent, RB_BLACK); + rebalance = NULL; + } else { + unsigned long pc2 = successor->__rb_parent_color; + successor->__rb_parent_color = pc; + rebalance = __rb_is_black(pc2) ? parent : NULL; + } + tmp = successor; + } + + augment->propagate(tmp, NULL); + return rebalance; +} + +static __always_inline void +rb_erase_augmented(struct rb_node *node, struct rb_root *root, + const struct rb_augment_callbacks *augment) +{ + struct rb_node *rebalance = __rb_erase_augmented(node, root, augment); + if (rebalance) + __rb_erase_color(rebalance, root, augment->rotate); +} + +#endif /* _TOOLS_LINUX_RBTREE_AUGMENTED_H */ diff --git a/tools/lib/api/Makefile b/tools/lib/api/Makefile index 8bd960658463..fe1b02c2c95b 100644 --- a/tools/lib/api/Makefile +++ b/tools/lib/api/Makefile @@ -36,7 +36,7 @@ $(LIBFILE): $(API_IN) clean: $(call QUIET_CLEAN, libapi) $(RM) $(LIBFILE); \ - find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o | xargs $(RM) + find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM) FORCE: diff --git a/tools/lib/hweight.c b/tools/lib/hweight.c new file mode 100644 index 000000000000..0b859b884339 --- /dev/null +++ b/tools/lib/hweight.c @@ -0,0 +1,62 @@ +#include <linux/bitops.h> +#include <asm/types.h> + +/** + * hweightN - returns the hamming weight of a N-bit word + * @x: the word to weigh + * + * The Hamming Weight of a number is the total number of bits set in it. + */ + +unsigned int __sw_hweight32(unsigned int w) +{ +#ifdef CONFIG_ARCH_HAS_FAST_MULTIPLIER + w -= (w >> 1) & 0x55555555; + w = (w & 0x33333333) + ((w >> 2) & 0x33333333); + w = (w + (w >> 4)) & 0x0f0f0f0f; + return (w * 0x01010101) >> 24; +#else + unsigned int res = w - ((w >> 1) & 0x55555555); + res = (res & 0x33333333) + ((res >> 2) & 0x33333333); + res = (res + (res >> 4)) & 0x0F0F0F0F; + res = res + (res >> 8); + return (res + (res >> 16)) & 0x000000FF; +#endif +} + +unsigned int __sw_hweight16(unsigned int w) +{ + unsigned int res = w - ((w >> 1) & 0x5555); + res = (res & 0x3333) + ((res >> 2) & 0x3333); + res = (res + (res >> 4)) & 0x0F0F; + return (res + (res >> 8)) & 0x00FF; +} + +unsigned int __sw_hweight8(unsigned int w) +{ + unsigned int res = w - ((w >> 1) & 0x55); + res = (res & 0x33) + ((res >> 2) & 0x33); + return (res + (res >> 4)) & 0x0F; +} + +unsigned long __sw_hweight64(__u64 w) +{ +#if BITS_PER_LONG == 32 + return __sw_hweight32((unsigned int)(w >> 32)) + + __sw_hweight32((unsigned int)w); +#elif BITS_PER_LONG == 64 +#ifdef CONFIG_ARCH_HAS_FAST_MULTIPLIER + w -= (w >> 1) & 0x5555555555555555ul; + w = (w & 0x3333333333333333ul) + ((w >> 2) & 0x3333333333333333ul); + w = (w + (w >> 4)) & 0x0f0f0f0f0f0f0f0ful; + return (w * 0x0101010101010101ul) >> 56; +#else + __u64 res = w - ((w >> 1) & 0x5555555555555555ul); + res = (res & 0x3333333333333333ul) + ((res >> 2) & 0x3333333333333333ul); + res = (res + (res >> 4)) & 0x0F0F0F0F0F0F0F0Ful; + res = res + (res >> 8); + res = res + (res >> 16); + return (res + (res >> 32)) & 0x00000000000000FFul; +#endif +#endif +} diff --git a/tools/lib/rbtree.c b/tools/lib/rbtree.c new file mode 100644 index 000000000000..17c2b596f043 --- /dev/null +++ b/tools/lib/rbtree.c @@ -0,0 +1,548 @@ +/* + Red Black Trees + (C) 1999 Andrea Arcangeli <andrea@suse.de> + (C) 2002 David Woodhouse <dwmw2@infradead.org> + (C) 2012 Michel Lespinasse <walken@google.com> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + linux/lib/rbtree.c +*/ + +#include <linux/rbtree_augmented.h> + +/* + * red-black trees properties: http://en.wikipedia.org/wiki/Rbtree + * + * 1) A node is either red or black + * 2) The root is black + * 3) All leaves (NULL) are black + * 4) Both children of every red node are black + * 5) Every simple path from root to leaves contains the same number + * of black nodes. + * + * 4 and 5 give the O(log n) guarantee, since 4 implies you cannot have two + * consecutive red nodes in a path and every red node is therefore followed by + * a black. So if B is the number of black nodes on every simple path (as per + * 5), then the longest possible path due to 4 is 2B. + * + * We shall indicate color with case, where black nodes are uppercase and red + * nodes will be lowercase. Unknown color nodes shall be drawn as red within + * parentheses and have some accompanying text comment. + */ + +static inline void rb_set_black(struct rb_node *rb) +{ + rb->__rb_parent_color |= RB_BLACK; +} + +static inline struct rb_node *rb_red_parent(struct rb_node *red) +{ + return (struct rb_node *)red->__rb_parent_color; +} + +/* + * Helper function for rotations: + * - old's parent and color get assigned to new + * - old gets assigned new as a parent and 'color' as a color. + */ +static inline void +__rb_rotate_set_parents(struct rb_node *old, struct rb_node *new, + struct rb_root *root, int color) +{ + struct rb_node *parent = rb_parent(old); + new->__rb_parent_color = old->__rb_parent_color; + rb_set_parent_color(old, new, color); + __rb_change_child(old, new, parent, root); +} + +static __always_inline void +__rb_insert(struct rb_node *node, struct rb_root *root, + void (*augment_rotate)(struct rb_node *old, struct rb_node *new)) +{ + struct rb_node *parent = rb_red_parent(node), *gparent, *tmp; + + while (true) { + /* + * Loop invariant: node is red + * + * If there is a black parent, we are done. + * Otherwise, take some corrective action as we don't + * want a red root or two consecutive red nodes. + */ + if (!parent) { + rb_set_parent_color(node, NULL, RB_BLACK); + break; + } else if (rb_is_black(parent)) + break; + + gparent = rb_red_parent(parent); + + tmp = gparent->rb_right; + if (parent != tmp) { /* parent == gparent->rb_left */ + if (tmp && rb_is_red(tmp)) { + /* + * Case 1 - color flips + * + * G g + * / \ / \ + * p u --> P U + * / / + * n n + * + * However, since g's parent might be red, and + * 4) does not allow this, we need to recurse + * at g. + */ + rb_set_parent_color(tmp, gparent, RB_BLACK); + rb_set_parent_color(parent, gparent, RB_BLACK); + node = gparent; + parent = rb_parent(node); + rb_set_parent_color(node, parent, RB_RED); + continue; + } + + tmp = parent->rb_right; + if (node == tmp) { + /* + * Case 2 - left rotate at parent + * + * G G + * / \ / \ + * p U --> n U + * \ / + * n p + * + * This still leaves us in violation of 4), the + * continuation into Case 3 will fix that. + */ + parent->rb_right = tmp = node->rb_left; + node->rb_left = parent; + if (tmp) + rb_set_parent_color(tmp, parent, + RB_BLACK); + rb_set_parent_color(parent, node, RB_RED); + augment_rotate(parent, node); + parent = node; + tmp = node->rb_right; + } + + /* + * Case 3 - right rotate at gparent + * + * G P + * / \ / \ + * p U --> n g + * / \ + * n U + */ + gparent->rb_left = tmp; /* == parent->rb_right */ + parent->rb_right = gparent; + if (tmp) + rb_set_parent_color(tmp, gparent, RB_BLACK); + __rb_rotate_set_parents(gparent, parent, root, RB_RED); + augment_rotate(gparent, parent); + break; + } else { + tmp = gparent->rb_left; + if (tmp && rb_is_red(tmp)) { + /* Case 1 - color flips */ + rb_set_parent_color(tmp, gparent, RB_BLACK); + rb_set_parent_color(parent, gparent, RB_BLACK); + node = gparent; + parent = rb_parent(node); + rb_set_parent_color(node, parent, RB_RED); + continue; + } + + tmp = parent->rb_left; + if (node == tmp) { + /* Case 2 - right rotate at parent */ + parent->rb_left = tmp = node->rb_right; + node->rb_right = parent; + if (tmp) + rb_set_parent_color(tmp, parent, + RB_BLACK); + rb_set_parent_color(parent, node, RB_RED); + augment_rotate(parent, node); + parent = node; + tmp = node->rb_left; + } + + /* Case 3 - left rotate at gparent */ + gparent->rb_right = tmp; /* == parent->rb_left */ + parent->rb_left = gparent; + if (tmp) + rb_set_parent_color(tmp, gparent, RB_BLACK); + __rb_rotate_set_parents(gparent, parent, root, RB_RED); + augment_rotate(gparent, parent); + break; + } + } +} + +/* + * Inline version for rb_erase() use - we want to be able to inline + * and eliminate the dummy_rotate callback there + */ +static __always_inline void +____rb_erase_color(struct rb_node *parent, struct rb_root *root, + void (*augment_rotate)(struct rb_node *old, struct rb_node *new)) +{ + struct rb_node *node = NULL, *sibling, *tmp1, *tmp2; + + while (true) { + /* + * Loop invariants: + * - node is black (or NULL on first iteration) + * - node is not the root (parent is not NULL) + * - All leaf paths going through parent and node have a + * black node count that is 1 lower than other leaf paths. + */ + sibling = parent->rb_right; + if (node != sibling) { /* node == parent->rb_left */ + if (rb_is_red(sibling)) { + /* + * Case 1 - left rotate at parent + * + * P S + * / \ / \ + * N s --> p Sr + * / \ / \ + * Sl Sr N Sl + */ + parent->rb_right = tmp1 = sibling->rb_left; + sibling->rb_left = parent; + rb_set_parent_color(tmp1, parent, RB_BLACK); + __rb_rotate_set_parents(parent, sibling, root, + RB_RED); + augment_rotate(parent, sibling); + sibling = tmp1; + } + tmp1 = sibling->rb_right; + if (!tmp1 || rb_is_black(tmp1)) { + tmp2 = sibling->rb_left; + if (!tmp2 || rb_is_black(tmp2)) { + /* + * Case 2 - sibling color flip + * (p could be either color here) + * + * (p) (p) + * / \ / \ + * N S --> N s + * / \ / \ + * Sl Sr Sl Sr + * + * This leaves us violating 5) which + * can be fixed by flipping p to black + * if it was red, or by recursing at p. + * p is red when coming from Case 1. + */ + rb_set_parent_color(sibling, parent, + RB_RED); + if (rb_is_red(parent)) + rb_set_black(parent); + else { + node = parent; + parent = rb_parent(node); + if (parent) + continue; + } + break; + } + /* + * Case 3 - right rotate at sibling + * (p could be either color here) + * + * (p) (p) + * / \ / \ + * N S --> N Sl + * / \ \ + * sl Sr s + * \ + * Sr + */ + sibling->rb_left = tmp1 = tmp2->rb_right; + tmp2->rb_right = sibling; + parent->rb_right = tmp2; + if (tmp1) + rb_set_parent_color(tmp1, sibling, + RB_BLACK); + augment_rotate(sibling, tmp2); + tmp1 = sibling; + sibling = tmp2; + } + /* + * Case 4 - left rotate at parent + color flips + * (p and sl could be either color here. + * After rotation, p becomes black, s acquires + * p's color, and sl keeps its color) + * + * (p) (s) + * / \ / \ + * N S --> P Sr + * / \ / \ + * (sl) sr N (sl) + */ + parent->rb_right = tmp2 = sibling->rb_left; + sibling->rb_left = parent; + rb_set_parent_color(tmp1, sibling, RB_BLACK); + if (tmp2) + rb_set_parent(tmp2, parent); + __rb_rotate_set_parents(parent, sibling, root, + RB_BLACK); + augment_rotate(parent, sibling); + break; + } else { + sibling = parent->rb_left; + if (rb_is_red(sibling)) { + /* Case 1 - right rotate at parent */ + parent->rb_left = tmp1 = sibling->rb_right; + sibling->rb_right = parent; + rb_set_parent_color(tmp1, parent, RB_BLACK); + __rb_rotate_set_parents(parent, sibling, root, + RB_RED); + augment_rotate(parent, sibling); + sibling = tmp1; + } + tmp1 = sibling->rb_left; + if (!tmp1 || rb_is_black(tmp1)) { + tmp2 = sibling->rb_right; + if (!tmp2 || rb_is_black(tmp2)) { + /* Case 2 - sibling color flip */ + rb_set_parent_color(sibling, parent, + RB_RED); + if (rb_is_red(parent)) + rb_set_black(parent); + else { + node = parent; + parent = rb_parent(node); + if (parent) + continue; + } + break; + } + /* Case 3 - right rotate at sibling */ + sibling->rb_right = tmp1 = tmp2->rb_left; + tmp2->rb_left = sibling; + parent->rb_left = tmp2; + if (tmp1) + rb_set_parent_color(tmp1, sibling, + RB_BLACK); + augment_rotate(sibling, tmp2); + tmp1 = sibling; + sibling = tmp2; + } + /* Case 4 - left rotate at parent + color flips */ + parent->rb_left = tmp2 = sibling->rb_right; + sibling->rb_right = parent; + rb_set_parent_color(tmp1, sibling, RB_BLACK); + if (tmp2) + rb_set_parent(tmp2, parent); + __rb_rotate_set_parents(parent, sibling, root, + RB_BLACK); + augment_rotate(parent, sibling); + break; + } + } +} + +/* Non-inline version for rb_erase_augmented() use */ +void __rb_erase_color(struct rb_node *parent, struct rb_root *root, + void (*augment_rotate)(struct rb_node *old, struct rb_node *new)) +{ + ____rb_erase_color(parent, root, augment_rotate); +} + +/* + * Non-augmented rbtree manipulation functions. + * + * We use dummy augmented callbacks here, and have the compiler optimize them + * out of the rb_insert_color() and rb_erase() function definitions. + */ + +static inline void dummy_propagate(struct rb_node *node, struct rb_node *stop) {} +static inline void dummy_copy(struct rb_node *old, struct rb_node *new) {} +static inline void dummy_rotate(struct rb_node *old, struct rb_node *new) {} + +static const struct rb_augment_callbacks dummy_callbacks = { + dummy_propagate, dummy_copy, dummy_rotate +}; + +void rb_insert_color(struct rb_node *node, struct rb_root *root) +{ + __rb_insert(node, root, dummy_rotate); +} + +void rb_erase(struct rb_node *node, struct rb_root *root) +{ + struct rb_node *rebalance; + rebalance = __rb_erase_augmented(node, root, &dummy_callbacks); + if (rebalance) + ____rb_erase_color(rebalance, root, dummy_rotate); +} + +/* + * Augmented rbtree manipulation functions. + * + * This instantiates the same __always_inline functions as in the non-augmented + * case, but this time with user-defined callbacks. + */ + +void __rb_insert_augmented(struct rb_node *node, struct rb_root *root, + void (*augment_rotate)(struct rb_node *old, struct rb_node *new)) +{ + __rb_insert(node, root, augment_rotate); +} + +/* + * This function returns the first node (in sort order) of the tree. + */ +struct rb_node *rb_first(const struct rb_root *root) +{ + struct rb_node *n; + + n = root->rb_node; + if (!n) + return NULL; + while (n->rb_left) + n = n->rb_left; + return n; +} + +struct rb_node *rb_last(const struct rb_root *root) +{ + struct rb_node *n; + + n = root->rb_node; + if (!n) + return NULL; + while (n->rb_right) + n = n->rb_right; + return n; +} + +struct rb_node *rb_next(const struct rb_node *node) +{ + struct rb_node *parent; + + if (RB_EMPTY_NODE(node)) + return NULL; + + /* + * If we have a right-hand child, go down and then left as far + * as we can. + */ + if (node->rb_right) { + node = node->rb_right; + while (node->rb_left) + node=node->rb_left; + return (struct rb_node *)node; + } + + /* + * No right-hand children. Everything down and left is smaller than us, + * so any 'next' node must be in the general direction of our parent. + * Go up the tree; any time the ancestor is a right-hand child of its + * parent, keep going up. First time it's a left-hand child of its + * parent, said parent is our 'next' node. + */ + while ((parent = rb_parent(node)) && node == parent->rb_right) + node = parent; + + return parent; +} + +struct rb_node *rb_prev(const struct rb_node *node) +{ + struct rb_node *parent; + + if (RB_EMPTY_NODE(node)) + return NULL; + + /* + * If we have a left-hand child, go down and then right as far + * as we can. + */ + if (node->rb_left) { + node = node->rb_left; + while (node->rb_right) + node=node->rb_right; + return (struct rb_node *)node; + } + + /* + * No left-hand children. Go up till we find an ancestor which + * is a right-hand child of its parent. + */ + while ((parent = rb_parent(node)) && node == parent->rb_left) + node = parent; + + return parent; +} + +void rb_replace_node(struct rb_node *victim, struct rb_node *new, + struct rb_root *root) +{ + struct rb_node *parent = rb_parent(victim); + + /* Set the surrounding nodes to point to the replacement */ + __rb_change_child(victim, new, parent, root); + if (victim->rb_left) + rb_set_parent(victim->rb_left, new); + if (victim->rb_right) + rb_set_parent(victim->rb_right, new); + + /* Copy the pointers/colour from the victim to the replacement */ + *new = *victim; +} + +static struct rb_node *rb_left_deepest_node(const struct rb_node *node) +{ + for (;;) { + if (node->rb_left) + node = node->rb_left; + else if (node->rb_right) + node = node->rb_right; + else + return (struct rb_node *)node; + } +} + +struct rb_node *rb_next_postorder(const struct rb_node *node) +{ + const struct rb_node *parent; + if (!node) + return NULL; + parent = rb_parent(node); + + /* If we're sitting on node, we've already seen our children */ + if (parent && node == parent->rb_left && parent->rb_right) { + /* If we are the parent's left node, go to the parent's right + * node then all the way down to the left */ + return rb_left_deepest_node(parent->rb_right); + } else + /* Otherwise we are the parent's right node, and the parent + * should be next */ + return (struct rb_node *)parent; +} + +struct rb_node *rb_first_postorder(const struct rb_root *root) +{ + if (!root->rb_node) + return NULL; + + return rb_left_deepest_node(root->rb_node); +} diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile index 6daaff652aff..7851df1490e0 100644 --- a/tools/lib/traceevent/Makefile +++ b/tools/lib/traceevent/Makefile @@ -268,7 +268,7 @@ install: install_lib clean: $(call QUIET_CLEAN, libtraceevent) \ - $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d \ + $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd \ $(RM) TRACEEVENT-CFLAGS tags TAGS PHONY += force plugins diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index fe50a1b34aa0..d01a0aad5a01 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -18,6 +18,8 @@ tools/arch/x86/include/asm/atomic.h tools/arch/x86/include/asm/rmwcc.h tools/lib/traceevent tools/lib/api +tools/lib/hweight.c +tools/lib/rbtree.c tools/lib/symbol/kallsyms.c tools/lib/symbol/kallsyms.h tools/lib/util/find_next_bit.c @@ -44,6 +46,8 @@ tools/include/linux/kernel.h tools/include/linux/list.h tools/include/linux/log2.h tools/include/linux/poison.h +tools/include/linux/rbtree.h +tools/include/linux/rbtree_augmented.h tools/include/linux/types.h include/asm-generic/bitops/arch_hweight.h include/asm-generic/bitops/const_hweight.h @@ -51,12 +55,9 @@ include/asm-generic/bitops/fls64.h include/asm-generic/bitops/__fls.h include/asm-generic/bitops/fls.h include/linux/perf_event.h -include/linux/rbtree.h include/linux/list.h include/linux/hash.h include/linux/stringify.h -lib/hweight.c -lib/rbtree.c include/linux/swab.h arch/*/include/asm/unistd*.h arch/*/include/uapi/asm/unistd*.h @@ -65,7 +66,6 @@ arch/*/lib/memcpy*.S arch/*/lib/memset*.S include/linux/poison.h include/linux/hw_breakpoint.h -include/linux/rbtree_augmented.h include/uapi/linux/perf_event.h include/uapi/linux/const.h include/uapi/linux/swab.h diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 7a4b549214e3..bba34636b733 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -109,9 +109,22 @@ $(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD $(Q)$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT) $(Q)touch $(OUTPUT)PERF-VERSION-FILE -CC = $(CROSS_COMPILE)gcc -LD ?= $(CROSS_COMPILE)ld -AR = $(CROSS_COMPILE)ar +# Makefiles suck: This macro sets a default value of $(2) for the +# variable named by $(1), unless the variable has been set by +# environment or command line. This is necessary for CC and AR +# because make sets default values, so the simpler ?= approach +# won't work as expected. +define allow-override + $(if $(or $(findstring environment,$(origin $(1))),\ + $(findstring command line,$(origin $(1)))),,\ + $(eval $(1) = $(2))) +endef + +# Allow setting CC and AR and LD, or setting CROSS_COMPILE as a prefix. +$(call allow-override,CC,$(CROSS_COMPILE)gcc) +$(call allow-override,AR,$(CROSS_COMPILE)ar) +$(call allow-override,LD,$(CROSS_COMPILE)ld) + PKG_CONFIG = $(CROSS_COMPILE)pkg-config RM = rm -f diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index de165a1b9240..20b56eb987f8 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -521,6 +521,15 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) goto out_child; } + /* + * Normally perf_session__new would do this, but it doesn't have the + * evlist. + */ + if (rec->tool.ordered_events && !perf_evlist__sample_id_all(rec->evlist)) { + pr_warning("WARNING: No sample_id_all support, falling back to unordered processing\n"); + rec->tool.ordered_events = false; + } + if (!rec->evlist->nr_groups) perf_header__clear_feat(&session->header, HEADER_GROUP_DESC); @@ -965,9 +974,11 @@ static struct record record = { .tool = { .sample = process_sample_event, .fork = perf_event__process_fork, + .exit = perf_event__process_exit, .comm = perf_event__process_comm, .mmap = perf_event__process_mmap, .mmap2 = perf_event__process_mmap2, + .ordered_events = true, }, }; diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 37e301a32f43..d99d850e1444 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -343,7 +343,7 @@ static int read_counter(struct perf_evsel *counter) return 0; } -static void read_counters(bool close) +static void read_counters(bool close_counters) { struct perf_evsel *counter; @@ -354,7 +354,7 @@ static void read_counters(bool close) if (process_counter(counter)) pr_warning("failed to process counter %s\n", counter->name); - if (close) { + if (close_counters) { perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), thread_map__nr(evsel_list->threads)); } diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index ecf319728f25..6135cc07213c 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -601,8 +601,8 @@ static void display_sig(int sig __maybe_unused) static void display_setup_sig(void) { - signal(SIGSEGV, display_sig); - signal(SIGFPE, display_sig); + signal(SIGSEGV, sighandler_dump_stack); + signal(SIGFPE, sighandler_dump_stack); signal(SIGINT, display_sig); signal(SIGQUIT, display_sig); signal(SIGTERM, display_sig); diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index 094ddaee104c..d31fac19c30b 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -638,7 +638,7 @@ ifndef DESTDIR prefix ?= $(HOME) endif bindir_relative = bin -bindir = $(prefix)/$(bindir_relative) +bindir = $(abspath $(prefix)/$(bindir_relative)) mandir = share/man infodir = share/info perfexecdir = libexec/perf-core diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 7629bef2fd79..fa67613976a8 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -48,7 +48,7 @@ static struct rb_node *hists__filter_entries(struct rb_node *nd, static bool hist_browser__has_filter(struct hist_browser *hb) { - return hists__has_filter(hb->hists) || hb->min_pcnt; + return hists__has_filter(hb->hists) || hb->min_pcnt || symbol_conf.has_filter; } static int hist_browser__get_folding(struct hist_browser *browser) diff --git a/tools/perf/util/Build b/tools/perf/util/Build index 586a59d46022..d2d318c59b37 100644 --- a/tools/perf/util/Build +++ b/tools/perf/util/Build @@ -139,10 +139,10 @@ $(OUTPUT)util/find_next_bit.o: ../lib/util/find_next_bit.c FORCE $(call rule_mkdir) $(call if_changed_dep,cc_o_c) -$(OUTPUT)util/rbtree.o: ../../lib/rbtree.c FORCE +$(OUTPUT)util/rbtree.o: ../lib/rbtree.c FORCE $(call rule_mkdir) $(call if_changed_dep,cc_o_c) -$(OUTPUT)util/hweight.o: ../../lib/hweight.c FORCE +$(OUTPUT)util/hweight.o: ../lib/hweight.c FORCE $(call rule_mkdir) $(call if_changed_dep,cc_o_c) diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c index 7e7405c9b936..83d9dd96fe08 100644 --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -53,11 +53,6 @@ int auxtrace_mmap__mmap(struct auxtrace_mmap *mm, { struct perf_event_mmap_page *pc = userpg; -#if BITS_PER_LONG != 64 && !defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT) - pr_err("Cannot use AUX area tracing mmaps\n"); - return -1; -#endif - WARN_ONCE(mm->base, "Uninitialized auxtrace_mmap\n"); mm->userpg = userpg; @@ -73,6 +68,11 @@ int auxtrace_mmap__mmap(struct auxtrace_mmap *mm, return 0; } +#if BITS_PER_LONG != 64 && !defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT) + pr_err("Cannot use AUX area tracing mmaps\n"); + return -1; +#endif + pc->aux_offset = mp->offset; pc->aux_size = mp->len; diff --git a/tools/perf/util/include/linux/rbtree.h b/tools/perf/util/include/linux/rbtree.h deleted file mode 100644 index f06d89f0b867..000000000000 --- a/tools/perf/util/include/linux/rbtree.h +++ /dev/null @@ -1,16 +0,0 @@ -#ifndef __TOOLS_LINUX_PERF_RBTREE_H -#define __TOOLS_LINUX_PERF_RBTREE_H -#include <stdbool.h> -#include "../../../../include/linux/rbtree.h" - -/* - * Handy for checking that we are not deleting an entry that is - * already in a list, found in block/{blk-throttle,cfq-iosched}.c, - * probably should be moved to lib/rbtree.c... - */ -static inline void rb_erase_init(struct rb_node *n, struct rb_root *root) -{ - rb_erase(n, root); - RB_CLEAR_NODE(n); -} -#endif /* __TOOLS_LINUX_PERF_RBTREE_H */ diff --git a/tools/perf/util/include/linux/rbtree_augmented.h b/tools/perf/util/include/linux/rbtree_augmented.h deleted file mode 100644 index 9d6fcdf1788b..000000000000 --- a/tools/perf/util/include/linux/rbtree_augmented.h +++ /dev/null @@ -1,2 +0,0 @@ -#include <stdbool.h> -#include "../../../../include/linux/rbtree_augmented.h" diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 7ff682770fdb..f1a4c833121e 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -1387,6 +1387,24 @@ int machine__process_fork_event(struct machine *machine, union perf_event *event event->fork.ptid); int err = 0; + if (dump_trace) + perf_event__fprintf_task(event, stdout); + + /* + * There may be an existing thread that is not actually the parent, + * either because we are processing events out of order, or because the + * (fork) event that would have removed the thread was lost. Assume the + * latter case and continue on as best we can. + */ + if (parent->pid_ != (pid_t)event->fork.ppid) { + dump_printf("removing erroneous parent thread %d/%d\n", + parent->pid_, parent->tid); + machine__remove_thread(machine, parent); + thread__put(parent); + parent = machine__findnew_thread(machine, event->fork.ppid, + event->fork.ptid); + } + /* if a thread currently exists for the thread id remove it */ if (thread != NULL) { machine__remove_thread(machine, thread); @@ -1395,8 +1413,6 @@ int machine__process_fork_event(struct machine *machine, union perf_event *event thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); - if (dump_trace) - perf_event__fprintf_task(event, stdout); if (thread == NULL || parent == NULL || thread__fork(thread, parent, sample->time) < 0) { diff --git a/tools/perf/util/python-ext-sources b/tools/perf/util/python-ext-sources index e23ded40c79e..0766d98c5da5 100644 --- a/tools/perf/util/python-ext-sources +++ b/tools/perf/util/python-ext-sources @@ -10,7 +10,7 @@ util/ctype.c util/evlist.c util/evsel.c util/cpumap.c -../../lib/hweight.c +../lib/hweight.c util/thread_map.c util/util.c util/xyarray.c @@ -19,5 +19,5 @@ util/rblist.c util/stat.c util/strlist.c util/trace-event.c -../../lib/rbtree.c +../lib/rbtree.c util/string.c diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index 53e8bb7bc852..2a5d8d7698ae 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -85,7 +85,7 @@ void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count, else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES)) update_stats(&runtime_cycles_stats[ctx][cpu], count[0]); else if (perf_stat_evsel__is(counter, CYCLES_IN_TX)) - update_stats(&runtime_transaction_stats[ctx][cpu], count[0]); + update_stats(&runtime_cycles_in_tx_stats[ctx][cpu], count[0]); else if (perf_stat_evsel__is(counter, TRANSACTION_START)) update_stats(&runtime_transaction_stats[ctx][cpu], count[0]); else if (perf_stat_evsel__is(counter, ELISION_START)) @@ -398,20 +398,18 @@ void perf_stat__print_shadow_stats(FILE *out, struct perf_evsel *evsel, " # %5.2f%% aborted cycles ", 100.0 * ((total2-avg) / total)); } else if (perf_stat_evsel__is(evsel, TRANSACTION_START) && - avg > 0 && runtime_cycles_in_tx_stats[ctx][cpu].n != 0) { total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]); - if (total) + if (avg) ratio = total / avg; fprintf(out, " # %8.0f cycles / transaction ", ratio); } else if (perf_stat_evsel__is(evsel, ELISION_START) && - avg > 0 && runtime_cycles_in_tx_stats[ctx][cpu].n != 0) { total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]); - if (total) + if (avg) ratio = total / avg; fprintf(out, " # %8.0f cycles / elision ", ratio); diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 48b588c6951a..60f11414bb5c 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1911,6 +1911,8 @@ int setup_list(struct strlist **list, const char *list_str, pr_err("problems parsing %s list\n", list_name); return -1; } + + symbol_conf.has_filter = true; return 0; } diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index bef47ead1d9b..b98ce51af142 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -105,7 +105,8 @@ struct symbol_conf { demangle_kernel, filter_relative, show_hist_headers, - branch_callstack; + branch_callstack, + has_filter; const char *vmlinux_name, *kallsyms_name, *source_prefix, diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 28c4b746baa1..0a9ae8014729 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -191,6 +191,12 @@ static int thread__clone_map_groups(struct thread *thread, if (thread->pid_ == parent->pid_) return 0; + if (thread->mg == parent->mg) { + pr_debug("broken map groups on thread %d/%d parent %d/%d\n", + thread->pid_, thread->tid, parent->pid_, parent->tid); + return 0; + } + /* But this one is new process, copy maps. */ for (i = 0; i < MAP__NR_TYPES; ++i) if (map_groups__clone(thread->mg, parent->mg, i) < 0) diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c index da7646d767fe..292ae2c90e06 100644 --- a/tools/perf/util/thread_map.c +++ b/tools/perf/util/thread_map.c @@ -136,8 +136,7 @@ struct thread_map *thread_map__new_by_uid(uid_t uid) if (grow) { struct thread_map *tmp; - tmp = realloc(threads, (sizeof(*threads) + - max_threads * sizeof(pid_t))); + tmp = thread_map__realloc(threads, max_threads); if (tmp == NULL) goto out_free_namelist; diff --git a/tools/perf/util/vdso.c b/tools/perf/util/vdso.c index 4b89118f158d..44d440da15dc 100644 --- a/tools/perf/util/vdso.c +++ b/tools/perf/util/vdso.c @@ -236,18 +236,16 @@ static struct dso *__machine__findnew_compat(struct machine *machine, const char *file_name; struct dso *dso; - pthread_rwlock_wrlock(&machine->dsos.lock); dso = __dsos__find(&machine->dsos, vdso_file->dso_name, true); if (dso) - goto out_unlock; + goto out; file_name = vdso__get_compat_file(vdso_file); if (!file_name) - goto out_unlock; + goto out; dso = __machine__addnew_vdso(machine, vdso_file->dso_name, file_name); -out_unlock: - pthread_rwlock_unlock(&machine->dsos.lock); +out: return dso; } diff --git a/tools/testing/nvdimm/Kbuild b/tools/testing/nvdimm/Kbuild index 8e9b64520ec1..f56914c7929b 100644 --- a/tools/testing/nvdimm/Kbuild +++ b/tools/testing/nvdimm/Kbuild @@ -1,3 +1,6 @@ +ldflags-y += --wrap=ioremap_wt +ldflags-y += --wrap=ioremap_wc +ldflags-y += --wrap=devm_ioremap_nocache ldflags-y += --wrap=ioremap_cache ldflags-y += --wrap=ioremap_nocache ldflags-y += --wrap=iounmap diff --git a/tools/testing/nvdimm/test/iomap.c b/tools/testing/nvdimm/test/iomap.c index c85a6f6ba559..64bfaa50831c 100644 --- a/tools/testing/nvdimm/test/iomap.c +++ b/tools/testing/nvdimm/test/iomap.c @@ -65,6 +65,21 @@ void __iomem *__nfit_test_ioremap(resource_size_t offset, unsigned long size, return fallback_fn(offset, size); } +void __iomem *__wrap_devm_ioremap_nocache(struct device *dev, + resource_size_t offset, unsigned long size) +{ + struct nfit_test_resource *nfit_res; + + rcu_read_lock(); + nfit_res = get_nfit_res(offset); + rcu_read_unlock(); + if (nfit_res) + return (void __iomem *) nfit_res->buf + offset + - nfit_res->res->start; + return devm_ioremap_nocache(dev, offset, size); +} +EXPORT_SYMBOL(__wrap_devm_ioremap_nocache); + void __iomem *__wrap_ioremap_cache(resource_size_t offset, unsigned long size) { return __nfit_test_ioremap(offset, size, ioremap_cache); @@ -77,6 +92,18 @@ void __iomem *__wrap_ioremap_nocache(resource_size_t offset, unsigned long size) } EXPORT_SYMBOL(__wrap_ioremap_nocache); +void __iomem *__wrap_ioremap_wt(resource_size_t offset, unsigned long size) +{ + return __nfit_test_ioremap(offset, size, ioremap_wt); +} +EXPORT_SYMBOL(__wrap_ioremap_wt); + +void __iomem *__wrap_ioremap_wc(resource_size_t offset, unsigned long size) +{ + return __nfit_test_ioremap(offset, size, ioremap_wc); +} +EXPORT_SYMBOL(__wrap_ioremap_wc); + void __wrap_iounmap(volatile void __iomem *addr) { struct nfit_test_resource *nfit_res; diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c index 4b69b8368de0..d0bdae40ccc9 100644 --- a/tools/testing/nvdimm/test/nfit.c +++ b/tools/testing/nvdimm/test/nfit.c @@ -128,6 +128,8 @@ struct nfit_test { int num_pm; void **dimm; dma_addr_t *dimm_dma; + void **flush; + dma_addr_t *flush_dma; void **label; dma_addr_t *label_dma; void **spa_set; @@ -155,7 +157,7 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc, int i, rc; if (!nfit_mem || !test_bit(cmd, &nfit_mem->dsm_mask)) - return -ENXIO; + return -ENOTTY; /* lookup label space for the given dimm */ for (i = 0; i < ARRAY_SIZE(handle); i++) @@ -331,7 +333,8 @@ static int nfit_test0_alloc(struct nfit_test *t) + sizeof(struct acpi_nfit_system_address) * NUM_SPA + sizeof(struct acpi_nfit_memory_map) * NUM_MEM + sizeof(struct acpi_nfit_control_region) * NUM_DCR - + sizeof(struct acpi_nfit_data_region) * NUM_BDW; + + sizeof(struct acpi_nfit_data_region) * NUM_BDW + + sizeof(struct acpi_nfit_flush_address) * NUM_DCR; int i; t->nfit_buf = test_alloc(t, nfit_size, &t->nfit_dma); @@ -356,6 +359,10 @@ static int nfit_test0_alloc(struct nfit_test *t) if (!t->label[i]) return -ENOMEM; sprintf(t->label[i], "label%d", i); + + t->flush[i] = test_alloc(t, 8, &t->flush_dma[i]); + if (!t->flush[i]) + return -ENOMEM; } for (i = 0; i < NUM_DCR; i++) { @@ -408,6 +415,7 @@ static void nfit_test0_setup(struct nfit_test *t) struct acpi_nfit_system_address *spa; struct acpi_nfit_control_region *dcr; struct acpi_nfit_data_region *bdw; + struct acpi_nfit_flush_address *flush; unsigned int offset; nfit_test_init_header(nfit_buf, size); @@ -831,6 +839,39 @@ static void nfit_test0_setup(struct nfit_test *t) bdw->capacity = DIMM_SIZE; bdw->start_address = 0; + offset = offset + sizeof(struct acpi_nfit_data_region) * 4; + /* flush0 (dimm0) */ + flush = nfit_buf + offset; + flush->header.type = ACPI_NFIT_TYPE_FLUSH_ADDRESS; + flush->header.length = sizeof(struct acpi_nfit_flush_address); + flush->device_handle = handle[0]; + flush->hint_count = 1; + flush->hint_address[0] = t->flush_dma[0]; + + /* flush1 (dimm1) */ + flush = nfit_buf + offset + sizeof(struct acpi_nfit_flush_address) * 1; + flush->header.type = ACPI_NFIT_TYPE_FLUSH_ADDRESS; + flush->header.length = sizeof(struct acpi_nfit_flush_address); + flush->device_handle = handle[1]; + flush->hint_count = 1; + flush->hint_address[0] = t->flush_dma[1]; + + /* flush2 (dimm2) */ + flush = nfit_buf + offset + sizeof(struct acpi_nfit_flush_address) * 2; + flush->header.type = ACPI_NFIT_TYPE_FLUSH_ADDRESS; + flush->header.length = sizeof(struct acpi_nfit_flush_address); + flush->device_handle = handle[2]; + flush->hint_count = 1; + flush->hint_address[0] = t->flush_dma[2]; + + /* flush3 (dimm3) */ + flush = nfit_buf + offset + sizeof(struct acpi_nfit_flush_address) * 3; + flush->header.type = ACPI_NFIT_TYPE_FLUSH_ADDRESS; + flush->header.length = sizeof(struct acpi_nfit_flush_address); + flush->device_handle = handle[3]; + flush->hint_count = 1; + flush->hint_address[0] = t->flush_dma[3]; + acpi_desc = &t->acpi_desc; set_bit(ND_CMD_GET_CONFIG_SIZE, &acpi_desc->dimm_dsm_force_en); set_bit(ND_CMD_GET_CONFIG_DATA, &acpi_desc->dimm_dsm_force_en); @@ -933,6 +974,10 @@ static int nfit_test_probe(struct platform_device *pdev) GFP_KERNEL); nfit_test->dimm_dma = devm_kcalloc(dev, num, sizeof(dma_addr_t), GFP_KERNEL); + nfit_test->flush = devm_kcalloc(dev, num, sizeof(void *), + GFP_KERNEL); + nfit_test->flush_dma = devm_kcalloc(dev, num, sizeof(dma_addr_t), + GFP_KERNEL); nfit_test->label = devm_kcalloc(dev, num, sizeof(void *), GFP_KERNEL); nfit_test->label_dma = devm_kcalloc(dev, num, @@ -943,7 +988,8 @@ static int nfit_test_probe(struct platform_device *pdev) sizeof(dma_addr_t), GFP_KERNEL); if (nfit_test->dimm && nfit_test->dimm_dma && nfit_test->label && nfit_test->label_dma && nfit_test->dcr - && nfit_test->dcr_dma) + && nfit_test->dcr_dma && nfit_test->flush + && nfit_test->flush_dma) /* pass */; else return -ENOMEM; diff --git a/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c b/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c index 7f0c756993af..3d7dc6afc3f8 100644 --- a/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c +++ b/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c @@ -191,7 +191,7 @@ int main(int argc, char *argv[]) if (res > 0) { atomic_set(&requeued, 1); break; - } else if (res > 0) { + } else if (res < 0) { error("FUTEX_CMP_REQUEUE_PI failed\n", errno); ret = RET_ERROR; break; diff --git a/virt/kvm/vfio.c b/virt/kvm/vfio.c index 620e37f741b8..1dd087da6f31 100644 --- a/virt/kvm/vfio.c +++ b/virt/kvm/vfio.c @@ -155,6 +155,8 @@ static int kvm_vfio_set_group(struct kvm_device *dev, long attr, u64 arg) list_add_tail(&kvg->node, &kv->group_list); kvg->vfio_group = vfio_group; + kvm_arch_start_assignment(dev->kvm); + mutex_unlock(&kv->lock); kvm_vfio_update_coherency(dev); @@ -190,6 +192,8 @@ static int kvm_vfio_set_group(struct kvm_device *dev, long attr, u64 arg) break; } + kvm_arch_end_assignment(dev->kvm); + mutex_unlock(&kv->lock); kvm_vfio_group_put_external_user(vfio_group); @@ -239,6 +243,7 @@ static void kvm_vfio_destroy(struct kvm_device *dev) kvm_vfio_group_put_external_user(kvg->vfio_group); list_del(&kvg->node); kfree(kvg); + kvm_arch_end_assignment(dev->kvm); } kvm_vfio_update_coherency(dev); |