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| author | Paolo Bonzini <pbonzini@redhat.com> | 2021-09-06 13:34:11 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-09-06 13:34:48 +0300 |
| commit | e99314a340d27efafab3b7ea226beb239162cd46 (patch) | |
| tree | e16aebf4ddd982518c89eda4ccebdaff1c430723 | |
| parent | 0d0a19395baa36ab186df8081ab7f7b57c3fade1 (diff) | |
| parent | 419025b3b4190ee867ef4fc48fb3bd7da2e67a0c (diff) | |
| download | linux-e99314a340d27efafab3b7ea226beb239162cd46.tar.xz | |
Merge tag 'kvmarm-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 updates for 5.15
- Page ownership tracking between host EL1 and EL2
- Rely on userspace page tables to create large stage-2 mappings
- Fix incompatibility between pKVM and kmemleak
- Fix the PMU reset state, and improve the performance of the virtual PMU
- Move over to the generic KVM entry code
- Address PSCI reset issues w.r.t. save/restore
- Preliminary rework for the upcoming pKVM fixed feature
- A bunch of MM cleanups
- a vGIC fix for timer spurious interrupts
- Various cleanups
574 files changed, 7117 insertions, 3848 deletions
diff --git a/Documentation/arm64/tagged-address-abi.rst b/Documentation/arm64/tagged-address-abi.rst index 459e6b66ff68..0c9120ec58ae 100644 --- a/Documentation/arm64/tagged-address-abi.rst +++ b/Documentation/arm64/tagged-address-abi.rst @@ -45,14 +45,24 @@ how the user addresses are used by the kernel: 1. User addresses not accessed by the kernel but used for address space management (e.g. ``mprotect()``, ``madvise()``). The use of valid - tagged pointers in this context is allowed with the exception of - ``brk()``, ``mmap()`` and the ``new_address`` argument to - ``mremap()`` as these have the potential to alias with existing - user addresses. - - NOTE: This behaviour changed in v5.6 and so some earlier kernels may - incorrectly accept valid tagged pointers for the ``brk()``, - ``mmap()`` and ``mremap()`` system calls. + tagged pointers in this context is allowed with these exceptions: + + - ``brk()``, ``mmap()`` and the ``new_address`` argument to + ``mremap()`` as these have the potential to alias with existing + user addresses. + + NOTE: This behaviour changed in v5.6 and so some earlier kernels may + incorrectly accept valid tagged pointers for the ``brk()``, + ``mmap()`` and ``mremap()`` system calls. + + - The ``range.start``, ``start`` and ``dst`` arguments to the + ``UFFDIO_*`` ``ioctl()``s used on a file descriptor obtained from + ``userfaultfd()``, as fault addresses subsequently obtained by reading + the file descriptor will be untagged, which may otherwise confuse + tag-unaware programs. + + NOTE: This behaviour changed in v5.14 and so some earlier kernels may + incorrectly accept valid tagged pointers for this system call. 2. User addresses accessed by the kernel (e.g. ``write()``). This ABI relaxation is disabled by default and the application thread needs to diff --git a/Documentation/devicetree/bindings/net/imx-dwmac.txt b/Documentation/devicetree/bindings/net/imx-dwmac.txt deleted file mode 100644 index 921d522fe8d7..000000000000 --- a/Documentation/devicetree/bindings/net/imx-dwmac.txt +++ /dev/null @@ -1,56 +0,0 @@ -IMX8 glue layer controller, NXP imx8 families support Synopsys MAC 5.10a IP. - -This file documents platform glue layer for IMX. -Please see stmmac.txt for the other unchanged properties. - -The device node has following properties. - -Required properties: -- compatible: Should be "nxp,imx8mp-dwmac-eqos" to select glue layer - and "snps,dwmac-5.10a" to select IP version. -- clocks: Must contain a phandle for each entry in clock-names. -- clock-names: Should be "stmmaceth" for the host clock. - Should be "pclk" for the MAC apb clock. - Should be "ptp_ref" for the MAC timer clock. - Should be "tx" for the MAC RGMII TX clock: - Should be "mem" for EQOS MEM clock. - - "mem" clock is required for imx8dxl platform. - - "mem" clock is not required for imx8mp platform. -- interrupt-names: Should contain a list of interrupt names corresponding to - the interrupts in the interrupts property, if available. - Should be "macirq" for the main MAC IRQ - Should be "eth_wake_irq" for the IT which wake up system -- intf_mode: Should be phandle/offset pair. The phandle to the syscon node which - encompases the GPR register, and the offset of the GPR register. - - required for imx8mp platform. - - is optional for imx8dxl platform. - -Optional properties: -- intf_mode: is optional for imx8dxl platform. -- snps,rmii_refclk_ext: to select RMII reference clock from external. - -Example: - eqos: ethernet@30bf0000 { - compatible = "nxp,imx8mp-dwmac-eqos", "snps,dwmac-5.10a"; - reg = <0x30bf0000 0x10000>; - interrupts = <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "eth_wake_irq", "macirq"; - clocks = <&clk IMX8MP_CLK_ENET_QOS_ROOT>, - <&clk IMX8MP_CLK_QOS_ENET_ROOT>, - <&clk IMX8MP_CLK_ENET_QOS_TIMER>, - <&clk IMX8MP_CLK_ENET_QOS>; - clock-names = "stmmaceth", "pclk", "ptp_ref", "tx"; - assigned-clocks = <&clk IMX8MP_CLK_ENET_AXI>, - <&clk IMX8MP_CLK_ENET_QOS_TIMER>, - <&clk IMX8MP_CLK_ENET_QOS>; - assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_266M>, - <&clk IMX8MP_SYS_PLL2_100M>, - <&clk IMX8MP_SYS_PLL2_125M>; - assigned-clock-rates = <0>, <100000000>, <125000000>; - nvmem-cells = <ð_mac0>; - nvmem-cell-names = "mac-address"; - nvmem_macaddr_swap; - intf_mode = <&gpr 0x4>; - status = "disabled"; - }; diff --git a/Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml b/Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml new file mode 100644 index 000000000000..5629b2e4ccf8 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nxp,dwmac-imx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX8 DWMAC glue layer Device Tree Bindings + +maintainers: + - Joakim Zhang <qiangqing.zhang@nxp.com> + +# We need a select here so we don't match all nodes with 'snps,dwmac' +select: + properties: + compatible: + contains: + enum: + - nxp,imx8mp-dwmac-eqos + - nxp,imx8dxl-dwmac-eqos + required: + - compatible + +allOf: + - $ref: "snps,dwmac.yaml#" + +properties: + compatible: + oneOf: + - items: + - enum: + - nxp,imx8mp-dwmac-eqos + - nxp,imx8dxl-dwmac-eqos + - const: snps,dwmac-5.10a + + clocks: + minItems: 3 + maxItems: 5 + items: + - description: MAC host clock + - description: MAC apb clock + - description: MAC timer clock + - description: MAC RGMII TX clock + - description: EQOS MEM clock + + clock-names: + minItems: 3 + maxItems: 5 + contains: + enum: + - stmmaceth + - pclk + - ptp_ref + - tx + - mem + + intf_mode: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: + Should be phandle/offset pair. The phandle to the syscon node which + encompases the GPR register, and the offset of the GPR register. + + snps,rmii_refclk_ext: + $ref: /schemas/types.yaml#/definitions/flag + description: + To select RMII reference clock from external. + +required: + - compatible + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/clock/imx8mp-clock.h> + + eqos: ethernet@30bf0000 { + compatible = "nxp,imx8mp-dwmac-eqos","snps,dwmac-5.10a"; + reg = <0x30bf0000 0x10000>; + interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "macirq", "eth_wake_irq"; + clocks = <&clk IMX8MP_CLK_ENET_QOS_ROOT>, + <&clk IMX8MP_CLK_QOS_ENET_ROOT>, + <&clk IMX8MP_CLK_ENET_QOS_TIMER>, + <&clk IMX8MP_CLK_ENET_QOS>; + clock-names = "stmmaceth", "pclk", "ptp_ref", "tx"; + phy-mode = "rgmii"; + status = "disabled"; + }; diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index d7652596a09b..42689b7d03a2 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -28,6 +28,7 @@ select: - snps,dwmac-4.00 - snps,dwmac-4.10a - snps,dwmac-4.20a + - snps,dwmac-5.10a - snps,dwxgmac - snps,dwxgmac-2.10 @@ -82,6 +83,7 @@ properties: - snps,dwmac-4.00 - snps,dwmac-4.10a - snps,dwmac-4.20a + - snps,dwmac-5.10a - snps,dwxgmac - snps,dwxgmac-2.10 @@ -375,6 +377,7 @@ allOf: - snps,dwmac-4.00 - snps,dwmac-4.10a - snps,dwmac-4.20a + - snps,dwmac-5.10a - snps,dwxgmac - snps,dwxgmac-2.10 - st,spear600-gmac diff --git a/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml b/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml index 8850c01bd470..9b131c6facbc 100644 --- a/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml +++ b/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml @@ -57,12 +57,14 @@ properties: maxItems: 1 power-domains: + deprecated: true description: Power domain to use for enable control. This binding is only available if the compatible is chosen to regulator-fixed-domain. maxItems: 1 required-opps: + deprecated: true description: Performance state to use for enable control. This binding is only available if the compatible is chosen to regulator-fixed-domain. The diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml index ee936d1aa724..c2930d65728e 100644 --- a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml +++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml @@ -114,7 +114,7 @@ properties: ports: $ref: /schemas/graph.yaml#/properties/ports - properties: + patternProperties: port(@[0-9a-f]+)?: $ref: audio-graph-port.yaml# unevaluatedProperties: false diff --git a/Documentation/networking/af_xdp.rst b/Documentation/networking/af_xdp.rst index 42576880aa4a..60b217b436be 100644 --- a/Documentation/networking/af_xdp.rst +++ b/Documentation/networking/af_xdp.rst @@ -243,8 +243,8 @@ Configuration Flags and Socket Options These are the various configuration flags that can be used to control and monitor the behavior of AF_XDP sockets. -XDP_COPY and XDP_ZERO_COPY bind flags -------------------------------------- +XDP_COPY and XDP_ZEROCOPY bind flags +------------------------------------ When you bind to a socket, the kernel will first try to use zero-copy copy. If zero-copy is not supported, it will fall back on using copy @@ -252,7 +252,7 @@ mode, i.e. copying all packets out to user space. But if you would like to force a certain mode, you can use the following flags. If you pass the XDP_COPY flag to the bind call, the kernel will force the socket into copy mode. If it cannot use copy mode, the bind call will -fail with an error. Conversely, the XDP_ZERO_COPY flag will force the +fail with an error. Conversely, the XDP_ZEROCOPY flag will force the socket into zero-copy mode or fail. XDP_SHARED_UMEM bind flag diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst index b3fa522e4cd9..316c7dfa9693 100644 --- a/Documentation/networking/ip-sysctl.rst +++ b/Documentation/networking/ip-sysctl.rst @@ -826,7 +826,7 @@ tcp_fastopen_blackhole_timeout_sec - INTEGER initial value when the blackhole issue goes away. 0 to disable the blackhole detection. - By default, it is set to 1hr. + By default, it is set to 0 (feature is disabled). tcp_fastopen_key - list of comma separated 32-digit hexadecimal INTEGERs The list consists of a primary key and an optional backup key. The diff --git a/Documentation/trace/histogram.rst b/Documentation/trace/histogram.rst index b71e09f745c3..f99be8062bc8 100644 --- a/Documentation/trace/histogram.rst +++ b/Documentation/trace/histogram.rst @@ -191,7 +191,7 @@ Documentation written by Tom Zanussi with the event, in nanoseconds. May be modified by .usecs to have timestamps interpreted as microseconds. - cpu int the cpu on which the event occurred. + common_cpu int the cpu on which the event occurred. ====================== ==== ======================================= Extended error information diff --git a/MAINTAINERS b/MAINTAINERS index 6c8be735cc91..c9467d2839f5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -445,7 +445,7 @@ F: drivers/platform/x86/wmi.c F: include/uapi/linux/wmi.h ACRN HYPERVISOR SERVICE MODULE -M: Shuo Liu <shuo.a.liu@intel.com> +M: Fei Li <fei1.li@intel.com> L: acrn-dev@lists.projectacrn.org (subscribers-only) S: Supported W: https://projectacrn.org @@ -7858,9 +7858,9 @@ S: Maintained F: drivers/input/touchscreen/goodix.c GOOGLE ETHERNET DRIVERS -M: Catherine Sullivan <csully@google.com> -R: Sagi Shahar <sagis@google.com> -R: Jon Olson <jonolson@google.com> +M: Jeroen de Borst <jeroendb@google.com> +R: Catherine Sullivan <csully@google.com> +R: David Awogbemila <awogbemila@google.com> L: netdev@vger.kernel.org S: Supported F: Documentation/networking/device_drivers/ethernet/google/gve.rst @@ -11327,6 +11327,12 @@ W: https://linuxtv.org T: git git://linuxtv.org/media_tree.git F: drivers/media/radio/radio-maxiradio* +MCAB MICROCHIP CAN BUS ANALYZER TOOL DRIVER +R: Yasushi SHOJI <yashi@spacecubics.com> +L: linux-can@vger.kernel.org +S: Maintained +F: drivers/net/can/usb/mcba_usb.c + MCAN MMIO DEVICE DRIVER M: Chandrasekar Ramakrishnan <rcsekar@samsung.com> L: linux-can@vger.kernel.org @@ -11758,6 +11764,7 @@ F: drivers/char/hw_random/mtk-rng.c MEDIATEK SWITCH DRIVER M: Sean Wang <sean.wang@mediatek.com> M: Landen Chao <Landen.Chao@mediatek.com> +M: DENG Qingfang <dqfext@gmail.com> L: netdev@vger.kernel.org S: Maintained F: drivers/net/dsa/mt7530.* @@ -15467,6 +15474,8 @@ M: Pan, Xinhui <Xinhui.Pan@amd.com> L: amd-gfx@lists.freedesktop.org S: Supported T: git https://gitlab.freedesktop.org/agd5f/linux.git +B: https://gitlab.freedesktop.org/drm/amd/-/issues +C: irc://irc.oftc.net/radeon F: drivers/gpu/drm/amd/ F: drivers/gpu/drm/radeon/ F: include/uapi/drm/amdgpu_drm.h @@ -19122,7 +19131,7 @@ M: Mauro Carvalho Chehab <mchehab@kernel.org> L: linux-usb@vger.kernel.org S: Maintained F: Documentation/devicetree/bindings/phy/hisilicon,hi3670-usb3.yaml -F: drivers/phy/hisilicon/phy-kirin970-usb3.c +F: drivers/phy/hisilicon/phy-hi3670-usb3.c USB ISP116X DRIVER M: Olav Kongas <ok@artecdesign.ee> @@ -19800,6 +19809,14 @@ L: netdev@vger.kernel.org S: Supported F: drivers/ptp/ptp_vmw.c +VMWARE VMCI DRIVER +M: Jorgen Hansen <jhansen@vmware.com> +M: Vishnu Dasa <vdasa@vmware.com> +L: linux-kernel@vger.kernel.org +L: pv-drivers@vmware.com (private) +S: Maintained +F: drivers/misc/vmw_vmci/ + VMWARE VMMOUSE SUBDRIVER M: "VMware Graphics" <linux-graphics-maintainer@vmware.com> M: "VMware, Inc." <pv-drivers@vmware.com> @@ -2,7 +2,7 @@ VERSION = 5 PATCHLEVEL = 14 SUBLEVEL = 0 -EXTRAVERSION = -rc2 +EXTRAVERSION = -rc4 NAME = Opossums on Parade # *DOCUMENTATION* diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 77d3280dc678..6c50877841df 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -14,7 +14,6 @@ config ALPHA select PCI_SYSCALL if PCI select HAVE_AOUT select HAVE_ASM_MODVERSIONS - select HAVE_IDE select HAVE_PCSPKR_PLATFORM select HAVE_PERF_EVENTS select NEED_DMA_MAP_STATE @@ -532,7 +531,7 @@ config SMP will run faster if you say N here. See also the SMP-HOWTO available at - <http://www.tldp.org/docs.html#howto>. + <https://www.tldp.org/docs.html#howto>. If you don't know what to do here, say N. diff --git a/arch/alpha/boot/bootp.c b/arch/alpha/boot/bootp.c index 00266e6e1b71..b4faba2432d5 100644 --- a/arch/alpha/boot/bootp.c +++ b/arch/alpha/boot/bootp.c @@ -23,7 +23,7 @@ #include "ksize.h" extern unsigned long switch_to_osf_pal(unsigned long nr, - struct pcb_struct * pcb_va, struct pcb_struct * pcb_pa, + struct pcb_struct *pcb_va, struct pcb_struct *pcb_pa, unsigned long *vptb); extern void move_stack(unsigned long new_stack); diff --git a/arch/alpha/boot/bootpz.c b/arch/alpha/boot/bootpz.c index 43af71835adf..90a2b341e9c0 100644 --- a/arch/alpha/boot/bootpz.c +++ b/arch/alpha/boot/bootpz.c @@ -200,7 +200,7 @@ extern char _end; START_ADDR KSEG address of the entry point of kernel code. ZERO_PGE KSEG address of page full of zeroes, but - upon entry to kerne cvan be expected + upon entry to kernel, it can be expected to hold the parameter list and possible INTRD information. diff --git a/arch/alpha/boot/misc.c b/arch/alpha/boot/misc.c index d65192202703..325d4dd4f904 100644 --- a/arch/alpha/boot/misc.c +++ b/arch/alpha/boot/misc.c @@ -30,7 +30,7 @@ extern long srm_printk(const char *, ...) __attribute__ ((format (printf, 1, 2))); /* - * gzip delarations + * gzip declarations */ #define OF(args) args #define STATIC static diff --git a/arch/alpha/configs/defconfig b/arch/alpha/configs/defconfig index dd2dd9f0861f..7f1ca30b115b 100644 --- a/arch/alpha/configs/defconfig +++ b/arch/alpha/configs/defconfig @@ -70,3 +70,4 @@ CONFIG_DEBUG_INFO=y CONFIG_ALPHA_LEGACY_START_ADDRESS=y CONFIG_MATHEMU=y CONFIG_CRYPTO_HMAC=y +CONFIG_DEVTMPFS=y diff --git a/arch/alpha/include/asm/compiler.h b/arch/alpha/include/asm/compiler.h index 5159ba259d65..ae645959018a 100644 --- a/arch/alpha/include/asm/compiler.h +++ b/arch/alpha/include/asm/compiler.h @@ -4,15 +4,4 @@ #include <uapi/asm/compiler.h> -/* Some idiots over in <linux/compiler.h> thought inline should imply - always_inline. This breaks stuff. We'll include this file whenever - we run into such problems. */ - -#include <linux/compiler.h> -#undef inline -#undef __inline__ -#undef __inline -#undef __always_inline -#define __always_inline inline __attribute__((always_inline)) - #endif /* __ALPHA_COMPILER_H */ diff --git a/arch/alpha/include/asm/syscall.h b/arch/alpha/include/asm/syscall.h index 11c688c1d7ec..f21babaeed85 100644 --- a/arch/alpha/include/asm/syscall.h +++ b/arch/alpha/include/asm/syscall.h @@ -9,4 +9,10 @@ static inline int syscall_get_arch(struct task_struct *task) return AUDIT_ARCH_ALPHA; } +static inline long syscall_get_return_value(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->r0; +} + #endif /* _ASM_ALPHA_SYSCALL_H */ diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index d5367a1c6300..d31167e3269c 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -834,7 +834,7 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer, return -EFAULT; state = ¤t_thread_info()->ieee_state; - /* Update softare trap enable bits. */ + /* Update software trap enable bits. */ *state = (*state & ~IEEE_SW_MASK) | (swcr & IEEE_SW_MASK); /* Update the real fpcr. */ @@ -854,7 +854,7 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer, state = ¤t_thread_info()->ieee_state; exc &= IEEE_STATUS_MASK; - /* Update softare trap enable bits. */ + /* Update software trap enable bits. */ swcr = (*state & IEEE_SW_MASK) | exc; *state |= exc; diff --git a/arch/alpha/kernel/perf_event.c b/arch/alpha/kernel/perf_event.c index e7a59d927d78..efcf7321701b 100644 --- a/arch/alpha/kernel/perf_event.c +++ b/arch/alpha/kernel/perf_event.c @@ -574,7 +574,7 @@ static void alpha_pmu_start(struct perf_event *event, int flags) * Check that CPU performance counters are supported. * - currently support EV67 and later CPUs. * - actually some later revisions of the EV6 have the same PMC model as the - * EV67 but we don't do suffiently deep CPU detection to detect them. + * EV67 but we don't do sufficiently deep CPU detection to detect them. * Bad luck to the very few people who might have one, I guess. */ static int supported_cpu(void) diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c index ef0c08ed0481..a5123ea426ce 100644 --- a/arch/alpha/kernel/process.c +++ b/arch/alpha/kernel/process.c @@ -256,7 +256,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, childstack->r26 = (unsigned long) ret_from_kernel_thread; childstack->r9 = usp; /* function */ childstack->r10 = kthread_arg; - childregs->hae = alpha_mv.hae_cache, + childregs->hae = alpha_mv.hae_cache; childti->pcb.usp = 0; return 0; } diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index 7d56c217b235..b4fbbba30aa2 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -319,18 +319,19 @@ setup_memory(void *kernel_end) i, cluster->usage, cluster->start_pfn, cluster->start_pfn + cluster->numpages); - /* Bit 0 is console/PALcode reserved. Bit 1 is - non-volatile memory -- we might want to mark - this for later. */ - if (cluster->usage & 3) - continue; - end = cluster->start_pfn + cluster->numpages; if (end > max_low_pfn) max_low_pfn = end; memblock_add(PFN_PHYS(cluster->start_pfn), cluster->numpages << PAGE_SHIFT); + + /* Bit 0 is console/PALcode reserved. Bit 1 is + non-volatile memory -- we might want to mark + this for later. */ + if (cluster->usage & 3) + memblock_reserve(PFN_PHYS(cluster->start_pfn), + cluster->numpages << PAGE_SHIFT); } /* diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 4b2575f936d4..cb64e4797d2a 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -582,7 +582,7 @@ void smp_send_stop(void) { cpumask_t to_whom; - cpumask_copy(&to_whom, cpu_possible_mask); + cpumask_copy(&to_whom, cpu_online_mask); cpumask_clear_cpu(smp_processor_id(), &to_whom); #ifdef DEBUG_IPI_MSG if (hard_smp_processor_id() != boot_cpu_id) diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c index 53adf43dcd44..96fd6ff3fe81 100644 --- a/arch/alpha/kernel/sys_nautilus.c +++ b/arch/alpha/kernel/sys_nautilus.c @@ -212,7 +212,7 @@ nautilus_init_pci(void) /* Use default IO. */ pci_add_resource(&bridge->windows, &ioport_resource); - /* Irongate PCI memory aperture, calculate requred size before + /* Irongate PCI memory aperture, calculate required size before setting it up. */ pci_add_resource(&bridge->windows, &irongate_mem); diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c index 921d4b6e4d95..5398f982bdd1 100644 --- a/arch/alpha/kernel/traps.c +++ b/arch/alpha/kernel/traps.c @@ -730,7 +730,7 @@ do_entUnaUser(void __user * va, unsigned long opcode, long error; /* Check the UAC bits to decide what the user wants us to do - with the unaliged access. */ + with the unaligned access. */ if (!(current_thread_info()->status & TS_UAC_NOPRINT)) { if (__ratelimit(&ratelimit)) { diff --git a/arch/alpha/math-emu/math.c b/arch/alpha/math-emu/math.c index d568cd9a3e43..f7cef66af88d 100644 --- a/arch/alpha/math-emu/math.c +++ b/arch/alpha/math-emu/math.c @@ -65,7 +65,7 @@ static long (*save_emul) (unsigned long pc); long do_alpha_fp_emul_imprecise(struct pt_regs *, unsigned long); long do_alpha_fp_emul(unsigned long); -int init_module(void) +static int alpha_fp_emul_init_module(void) { save_emul_imprecise = alpha_fp_emul_imprecise; save_emul = alpha_fp_emul; @@ -73,12 +73,14 @@ int init_module(void) alpha_fp_emul = do_alpha_fp_emul; return 0; } +module_init(alpha_fp_emul_init_module); -void cleanup_module(void) +static void alpha_fp_emul_cleanup_module(void) { alpha_fp_emul_imprecise = save_emul_imprecise; alpha_fp_emul = save_emul; } +module_exit(alpha_fp_emul_cleanup_module); #undef alpha_fp_emul_imprecise #define alpha_fp_emul_imprecise do_alpha_fp_emul_imprecise @@ -401,3 +403,5 @@ alpha_fp_emul_imprecise (struct pt_regs *regs, unsigned long write_mask) egress: return si_code; } + +EXPORT_SYMBOL(__udiv_qrnnd); diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 82f908fa5676..2fb7012c3246 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -95,7 +95,6 @@ config ARM select HAVE_FUNCTION_TRACER if !XIP_KERNEL select HAVE_GCC_PLUGINS select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7) - select HAVE_IDE if PCI || ISA || PCMCIA select HAVE_IRQ_TIME_ACCOUNTING select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZ4 @@ -361,7 +360,6 @@ config ARCH_FOOTBRIDGE bool "FootBridge" select CPU_SA110 select FOOTBRIDGE - select HAVE_IDE select NEED_MACH_IO_H if !MMU select NEED_MACH_MEMORY_H help @@ -430,7 +428,6 @@ config ARCH_PXA select GENERIC_IRQ_MULTI_HANDLER select GPIO_PXA select GPIOLIB - select HAVE_IDE select IRQ_DOMAIN select PLAT_PXA select SPARSE_IRQ @@ -446,7 +443,6 @@ config ARCH_RPC select ARM_HAS_SG_CHAIN select CPU_SA110 select FIQ - select HAVE_IDE select HAVE_PATA_PLATFORM select ISA_DMA_API select LEGACY_TIMER_TICK @@ -469,7 +465,6 @@ config ARCH_SA1100 select CPU_SA1100 select GENERIC_IRQ_MULTI_HANDLER select GPIOLIB - select HAVE_IDE select IRQ_DOMAIN select ISA select NEED_MACH_MEMORY_H @@ -505,7 +500,6 @@ config ARCH_OMAP1 select GENERIC_IRQ_CHIP select GENERIC_IRQ_MULTI_HANDLER select GPIOLIB - select HAVE_IDE select HAVE_LEGACY_CLK select IRQ_DOMAIN select NEED_MACH_IO_H if PCCARD diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig index de11030748d0..1d3aef84287d 100644 --- a/arch/arm/mach-davinci/Kconfig +++ b/arch/arm/mach-davinci/Kconfig @@ -9,7 +9,6 @@ menuconfig ARCH_DAVINCI select PM_GENERIC_DOMAINS_OF if PM && OF select REGMAP_MMIO select RESET_CONTROLLER - select HAVE_IDE select PINCTRL_SINGLE if ARCH_DAVINCI diff --git a/arch/arm/mach-rpc/riscpc.c b/arch/arm/mach-rpc/riscpc.c index d23970bd638d..f70fb9c4b0cb 100644 --- a/arch/arm/mach-rpc/riscpc.c +++ b/arch/arm/mach-rpc/riscpc.c @@ -49,6 +49,7 @@ static int __init parse_tag_acorn(const struct tag *tag) fallthrough; /* ??? */ case 256: vram_size += PAGE_SIZE * 256; + break; default: break; } diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index 897634d0a67c..a951276f0547 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -1602,6 +1602,9 @@ exit: rn = arm_bpf_get_reg32(src_lo, tmp2[1], ctx); emit_ldx_r(dst, rn, off, ctx, BPF_SIZE(code)); break; + /* speculation barrier */ + case BPF_ST | BPF_NOSPEC: + break; /* ST: *(size *)(dst + off) = imm */ case BPF_ST | BPF_MEM | BPF_W: case BPF_ST | BPF_MEM | BPF_H: diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index 9f7c7f587d38..f4eaab3ecf03 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -579,7 +579,7 @@ }; flexcan1: can@308c0000 { - compatible = "fsl,imx8mp-flexcan", "fsl,imx6q-flexcan"; + compatible = "fsl,imx8mp-flexcan"; reg = <0x308c0000 0x10000>; interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clk IMX8MP_CLK_IPG_ROOT>, @@ -594,7 +594,7 @@ }; flexcan2: can@308d0000 { - compatible = "fsl,imx8mp-flexcan", "fsl,imx6q-flexcan"; + compatible = "fsl,imx8mp-flexcan"; reg = <0x308d0000 0x10000>; interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clk IMX8MP_CLK_IPG_ROOT>, @@ -821,9 +821,9 @@ eqos: ethernet@30bf0000 { compatible = "nxp,imx8mp-dwmac-eqos", "snps,dwmac-5.10a"; reg = <0x30bf0000 0x10000>; - interrupts = <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "eth_wake_irq", "macirq"; + interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "macirq", "eth_wake_irq"; clocks = <&clk IMX8MP_CLK_ENET_QOS_ROOT>, <&clk IMX8MP_CLK_QOS_ENET_ROOT>, <&clk IMX8MP_CLK_ENET_QOS_TIMER>, diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi index 068692350e00..51e17094d7b1 100644 --- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi +++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi @@ -1063,7 +1063,7 @@ status = "okay"; extcon = <&usb2_id>; - usb@7600000 { + dwc3@7600000 { extcon = <&usb2_id>; dr_mode = "otg"; maximum-speed = "high-speed"; @@ -1074,7 +1074,7 @@ status = "okay"; extcon = <&usb3_id>; - usb@6a00000 { + dwc3@6a00000 { extcon = <&usb3_id>; dr_mode = "otg"; }; diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi index 95d6cb8cd4c0..f39bc10cc5bd 100644 --- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi @@ -443,7 +443,7 @@ resets = <&gcc GCC_USB0_BCR>; status = "disabled"; - dwc_0: usb@8a00000 { + dwc_0: dwc3@8a00000 { compatible = "snps,dwc3"; reg = <0x8a00000 0xcd00>; interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>; @@ -484,7 +484,7 @@ resets = <&gcc GCC_USB1_BCR>; status = "disabled"; - dwc_1: usb@8c00000 { + dwc_1: dwc3@8c00000 { compatible = "snps,dwc3"; reg = <0x8c00000 0xcd00>; interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi index 0e1bc4669d7e..78c55ca10ba9 100644 --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi @@ -2566,7 +2566,7 @@ power-domains = <&gcc USB30_GDSC>; status = "disabled"; - usb@6a00000 { + dwc3@6a00000 { compatible = "snps,dwc3"; reg = <0x06a00000 0xcc00>; interrupts = <0 131 IRQ_TYPE_LEVEL_HIGH>; @@ -2873,7 +2873,7 @@ qcom,select-utmi-as-pipe-clk; status = "disabled"; - usb@7600000 { + dwc3@7600000 { compatible = "snps,dwc3"; reg = <0x07600000 0xcc00>; interrupts = <0 138 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi index 6f294f9c0cdf..e9d3ce29937c 100644 --- a/arch/arm64/boot/dts/qcom/msm8998.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi @@ -1964,7 +1964,7 @@ resets = <&gcc GCC_USB_30_BCR>; - usb3_dwc3: usb@a800000 { + usb3_dwc3: dwc3@a800000 { compatible = "snps,dwc3"; reg = <0x0a800000 0xcd00>; interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi index f8a55307b855..a80c578484ba 100644 --- a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi +++ b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi @@ -337,7 +337,7 @@ &usb3 { status = "okay"; - usb@7580000 { + dwc3@7580000 { dr_mode = "host"; }; }; diff --git a/arch/arm64/boot/dts/qcom/qcs404.dtsi b/arch/arm64/boot/dts/qcom/qcs404.dtsi index 9c4be020d568..339790ba585d 100644 --- a/arch/arm64/boot/dts/qcom/qcs404.dtsi +++ b/arch/arm64/boot/dts/qcom/qcs404.dtsi @@ -544,7 +544,7 @@ assigned-clock-rates = <19200000>, <200000000>; status = "disabled"; - usb@7580000 { + dwc3@7580000 { compatible = "snps,dwc3"; reg = <0x07580000 0xcd00>; interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>; @@ -573,7 +573,7 @@ assigned-clock-rates = <19200000>, <133333333>; status = "disabled"; - usb@78c0000 { + dwc3@78c0000 { compatible = "snps,dwc3"; reg = <0x078c0000 0xcc00>; interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index a5d58eb92896..a9a052f8c63c 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -2756,7 +2756,7 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3 0>; interconnect-names = "usb-ddr", "apps-usb"; - usb_1_dwc3: usb@a600000 { + usb_1_dwc3: dwc3@a600000 { compatible = "snps,dwc3"; reg = <0 0x0a600000 0 0xe000>; interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 1796ae8372be..0a86fe71a66d 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -3781,7 +3781,7 @@ <&gladiator_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3_0 0>; interconnect-names = "usb-ddr", "apps-usb"; - usb_1_dwc3: usb@a600000 { + usb_1_dwc3: dwc3@a600000 { compatible = "snps,dwc3"; reg = <0 0x0a600000 0 0xcd00>; interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>; @@ -3829,7 +3829,7 @@ <&gladiator_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3_1 0>; interconnect-names = "usb-ddr", "apps-usb"; - usb_2_dwc3: usb@a800000 { + usb_2_dwc3: dwc3@a800000 { compatible = "snps,dwc3"; reg = <0 0x0a800000 0 0xcd00>; interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi index 612dda0fef43..eef9d79157e9 100644 --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi @@ -2344,7 +2344,7 @@ resets = <&gcc GCC_USB30_PRIM_BCR>; - usb_1_dwc3: usb@a600000 { + usb_1_dwc3: dwc3@a600000 { compatible = "snps,dwc3"; reg = <0 0x0a600000 0 0xcd00>; interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index 9bb9d11750d7..20e0517eb669 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -602,14 +602,14 @@ static inline bool id_aa64pfr0_32bit_el1(u64 pfr0) { u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL1_SHIFT); - return val == ID_AA64PFR0_EL1_32BIT_64BIT; + return val == ID_AA64PFR0_ELx_32BIT_64BIT; } static inline bool id_aa64pfr0_32bit_el0(u64 pfr0) { u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL0_SHIFT); - return val == ID_AA64PFR0_EL0_32BIT_64BIT; + return val == ID_AA64PFR0_ELx_32BIT_64BIT; } static inline bool id_aa64pfr0_sve(u64 pfr0) @@ -657,7 +657,8 @@ static inline bool system_supports_4kb_granule(void) val = cpuid_feature_extract_unsigned_field(mmfr0, ID_AA64MMFR0_TGRAN4_SHIFT); - return val == ID_AA64MMFR0_TGRAN4_SUPPORTED; + return (val >= ID_AA64MMFR0_TGRAN4_SUPPORTED_MIN) && + (val <= ID_AA64MMFR0_TGRAN4_SUPPORTED_MAX); } static inline bool system_supports_64kb_granule(void) @@ -669,7 +670,8 @@ static inline bool system_supports_64kb_granule(void) val = cpuid_feature_extract_unsigned_field(mmfr0, ID_AA64MMFR0_TGRAN64_SHIFT); - return val == ID_AA64MMFR0_TGRAN64_SUPPORTED; + return (val >= ID_AA64MMFR0_TGRAN64_SUPPORTED_MIN) && + (val <= ID_AA64MMFR0_TGRAN64_SUPPORTED_MAX); } static inline bool system_supports_16kb_granule(void) @@ -681,7 +683,8 @@ static inline bool system_supports_16kb_granule(void) val = cpuid_feature_extract_unsigned_field(mmfr0, ID_AA64MMFR0_TGRAN16_SHIFT); - return val == ID_AA64MMFR0_TGRAN16_SUPPORTED; + return (val >= ID_AA64MMFR0_TGRAN16_SUPPORTED_MIN) && + (val <= ID_AA64MMFR0_TGRAN16_SUPPORTED_MAX); } static inline bool system_supports_mixed_endian_el0(void) @@ -781,13 +784,13 @@ extern int do_emulate_mrs(struct pt_regs *regs, u32 sys_reg, u32 rt); static inline u32 id_aa64mmfr0_parange_to_phys_shift(int parange) { switch (parange) { - case 0: return 32; - case 1: return 36; - case 2: return 40; - case 3: return 42; - case 4: return 44; - case 5: return 48; - case 6: return 52; + case ID_AA64MMFR0_PARANGE_32: return 32; + case ID_AA64MMFR0_PARANGE_36: return 36; + case ID_AA64MMFR0_PARANGE_40: return 40; + case ID_AA64MMFR0_PARANGE_42: return 42; + case ID_AA64MMFR0_PARANGE_44: return 44; + case ID_AA64MMFR0_PARANGE_48: return 48; + case ID_AA64MMFR0_PARANGE_52: return 52; /* * A future PE could use a value unknown to the kernel. * However, by the "D10.1.4 Principles of the ID scheme diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h index d436831dd706..327120c0089f 100644 --- a/arch/arm64/include/asm/kvm_arm.h +++ b/arch/arm64/include/asm/kvm_arm.h @@ -12,8 +12,13 @@ #include <asm/types.h> /* Hyp Configuration Register (HCR) bits */ + +#define HCR_TID5 (UL(1) << 58) +#define HCR_DCT (UL(1) << 57) #define HCR_ATA_SHIFT 56 #define HCR_ATA (UL(1) << HCR_ATA_SHIFT) +#define HCR_AMVOFFEN (UL(1) << 51) +#define HCR_FIEN (UL(1) << 47) #define HCR_FWB (UL(1) << 46) #define HCR_API (UL(1) << 41) #define HCR_APK (UL(1) << 40) @@ -32,9 +37,9 @@ #define HCR_TVM (UL(1) << 26) #define HCR_TTLB (UL(1) << 25) #define HCR_TPU (UL(1) << 24) -#define HCR_TPC (UL(1) << 23) +#define HCR_TPC (UL(1) << 23) /* HCR_TPCP if FEAT_DPB */ #define HCR_TSW (UL(1) << 22) -#define HCR_TAC (UL(1) << 21) +#define HCR_TACR (UL(1) << 21) #define HCR_TIDCP (UL(1) << 20) #define HCR_TSC (UL(1) << 19) #define HCR_TID3 (UL(1) << 18) @@ -56,12 +61,13 @@ #define HCR_PTW (UL(1) << 2) #define HCR_SWIO (UL(1) << 1) #define HCR_VM (UL(1) << 0) +#define HCR_RES0 ((UL(1) << 48) | (UL(1) << 39)) /* * The bits we set in HCR: * TLOR: Trap LORegion register accesses * RW: 64bit by default, can be overridden for 32bit VMs - * TAC: Trap ACTLR + * TACR: Trap ACTLR * TSC: Trap SMC * TSW: Trap cache operations by set/way * TWE: Trap WFE @@ -76,7 +82,7 @@ * PTW: Take a stage2 fault if a stage1 walk steps in device memory */ #define HCR_GUEST_FLAGS (HCR_TSC | HCR_TSW | HCR_TWE | HCR_TWI | HCR_VM | \ - HCR_BSU_IS | HCR_FB | HCR_TAC | \ + HCR_BSU_IS | HCR_FB | HCR_TACR | \ HCR_AMO | HCR_SWIO | HCR_TIDCP | HCR_RW | HCR_TLOR | \ HCR_FMO | HCR_IMO | HCR_PTW ) #define HCR_VIRT_EXCP_MASK (HCR_VSE | HCR_VI | HCR_VF) @@ -275,24 +281,40 @@ #define CPTR_EL2_TTA (1 << 20) #define CPTR_EL2_TFP (1 << CPTR_EL2_TFP_SHIFT) #define CPTR_EL2_TZ (1 << 8) -#define CPTR_EL2_RES1 0x000032ff /* known RES1 bits in CPTR_EL2 */ -#define CPTR_EL2_DEFAULT CPTR_EL2_RES1 +#define CPTR_NVHE_EL2_RES1 0x000032ff /* known RES1 bits in CPTR_EL2 (nVHE) */ +#define CPTR_EL2_DEFAULT CPTR_NVHE_EL2_RES1 +#define CPTR_NVHE_EL2_RES0 (GENMASK(63, 32) | \ + GENMASK(29, 21) | \ + GENMASK(19, 14) | \ + BIT(11)) /* Hyp Debug Configuration Register bits */ #define MDCR_EL2_E2TB_MASK (UL(0x3)) #define MDCR_EL2_E2TB_SHIFT (UL(24)) -#define MDCR_EL2_TTRF (1 << 19) -#define MDCR_EL2_TPMS (1 << 14) +#define MDCR_EL2_HPMFZS (UL(1) << 36) +#define MDCR_EL2_HPMFZO (UL(1) << 29) +#define MDCR_EL2_MTPME (UL(1) << 28) +#define MDCR_EL2_TDCC (UL(1) << 27) +#define MDCR_EL2_HCCD (UL(1) << 23) +#define MDCR_EL2_TTRF (UL(1) << 19) +#define MDCR_EL2_HPMD (UL(1) << 17) +#define MDCR_EL2_TPMS (UL(1) << 14) #define MDCR_EL2_E2PB_MASK (UL(0x3)) #define MDCR_EL2_E2PB_SHIFT (UL(12)) -#define MDCR_EL2_TDRA (1 << 11) -#define MDCR_EL2_TDOSA (1 << 10) -#define MDCR_EL2_TDA (1 << 9) -#define MDCR_EL2_TDE (1 << 8) -#define MDCR_EL2_HPME (1 << 7) -#define MDCR_EL2_TPM (1 << 6) -#define MDCR_EL2_TPMCR (1 << 5) -#define MDCR_EL2_HPMN_MASK (0x1F) +#define MDCR_EL2_TDRA (UL(1) << 11) +#define MDCR_EL2_TDOSA (UL(1) << 10) +#define MDCR_EL2_TDA (UL(1) << 9) +#define MDCR_EL2_TDE (UL(1) << 8) +#define MDCR_EL2_HPME (UL(1) << 7) +#define MDCR_EL2_TPM (UL(1) << 6) +#define MDCR_EL2_TPMCR (UL(1) << 5) +#define MDCR_EL2_HPMN_MASK (UL(0x1F)) +#define MDCR_EL2_RES0 (GENMASK(63, 37) | \ + GENMASK(35, 30) | \ + GENMASK(25, 24) | \ + GENMASK(22, 20) | \ + BIT(18) | \ + GENMASK(16, 15)) /* For compatibility with fault code shared with 32-bit */ #define FSC_FAULT ESR_ELx_FSC_FAULT diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h index 9f0bf2109be7..e86045ac43ba 100644 --- a/arch/arm64/include/asm/kvm_asm.h +++ b/arch/arm64/include/asm/kvm_asm.h @@ -59,12 +59,11 @@ #define __KVM_HOST_SMCCC_FUNC___vgic_v3_save_aprs 13 #define __KVM_HOST_SMCCC_FUNC___vgic_v3_restore_aprs 14 #define __KVM_HOST_SMCCC_FUNC___pkvm_init 15 -#define __KVM_HOST_SMCCC_FUNC___pkvm_create_mappings 16 +#define __KVM_HOST_SMCCC_FUNC___pkvm_host_share_hyp 16 #define __KVM_HOST_SMCCC_FUNC___pkvm_create_private_mapping 17 #define __KVM_HOST_SMCCC_FUNC___pkvm_cpu_set_vector 18 #define __KVM_HOST_SMCCC_FUNC___pkvm_prot_finalize 19 -#define __KVM_HOST_SMCCC_FUNC___pkvm_mark_hyp 20 -#define __KVM_HOST_SMCCC_FUNC___kvm_adjust_pc 21 +#define __KVM_HOST_SMCCC_FUNC___kvm_adjust_pc 20 #ifndef __ASSEMBLY__ @@ -210,7 +209,7 @@ extern u64 __vgic_v3_read_vmcr(void); extern void __vgic_v3_write_vmcr(u32 vmcr); extern void __vgic_v3_init_lrs(void); -extern u32 __kvm_get_mdcr_el2(void); +extern u64 __kvm_get_mdcr_el2(void); #define __KVM_EXTABLE(from, to) \ " .pushsection __kvm_ex_table, \"a\"\n" \ diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 41911585ae0c..f8be56d5342b 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -66,7 +66,7 @@ DECLARE_STATIC_KEY_FALSE(userspace_irqchip_in_use); extern unsigned int kvm_sve_max_vl; int kvm_arm_init_sve(void); -int __attribute_const__ kvm_target_cpu(void); +u32 __attribute_const__ kvm_target_cpu(void); int kvm_reset_vcpu(struct kvm_vcpu *vcpu); void kvm_arm_vcpu_destroy(struct kvm_vcpu *vcpu); @@ -185,7 +185,6 @@ enum vcpu_sysreg { PMCNTENSET_EL0, /* Count Enable Set Register */ PMINTENSET_EL1, /* Interrupt Enable Set Register */ PMOVSSET_EL0, /* Overflow Flag Status Set Register */ - PMSWINC_EL0, /* Software Increment Register */ PMUSERENR_EL0, /* User Enable Register */ /* Pointer Authentication Registers in a strict increasing order. */ @@ -287,9 +286,13 @@ struct kvm_vcpu_arch { /* Stage 2 paging state used by the hardware on next switch */ struct kvm_s2_mmu *hw_mmu; - /* HYP configuration */ + /* Values of trap registers for the guest. */ u64 hcr_el2; - u32 mdcr_el2; + u64 mdcr_el2; + u64 cptr_el2; + + /* Values of trap registers for the host before guest entry. */ + u64 mdcr_el2_host; /* Exception Information */ struct kvm_vcpu_fault_info fault; @@ -576,6 +579,7 @@ struct kvm_vcpu_stat { u64 wfi_exit_stat; u64 mmio_exit_user; u64 mmio_exit_kernel; + u64 signal_exits; u64 exits; }; @@ -771,6 +775,11 @@ void kvm_arch_free_vm(struct kvm *kvm); int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type); +static inline bool kvm_vm_is_protected(struct kvm *kvm) +{ + return false; +} + int kvm_arm_vcpu_finalize(struct kvm_vcpu *vcpu, int feature); bool kvm_arm_vcpu_is_finalized(struct kvm_vcpu *vcpu); diff --git a/arch/arm64/include/asm/kvm_hyp.h b/arch/arm64/include/asm/kvm_hyp.h index 9d60b3006efc..657d0c94cf82 100644 --- a/arch/arm64/include/asm/kvm_hyp.h +++ b/arch/arm64/include/asm/kvm_hyp.h @@ -95,7 +95,7 @@ void __sve_restore_state(void *sve_pffr, u32 *fpsr); #ifndef __KVM_NVHE_HYPERVISOR__ void activate_traps_vhe_load(struct kvm_vcpu *vcpu); -void deactivate_traps_vhe_put(void); +void deactivate_traps_vhe_put(struct kvm_vcpu *vcpu); #endif u64 __guest_enter(struct kvm_vcpu *vcpu); diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index b52c5c4b9a3d..02d378887743 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -252,6 +252,11 @@ static inline int kvm_write_guest_lock(struct kvm *kvm, gpa_t gpa, #define kvm_phys_to_vttbr(addr) phys_to_ttbr(addr) +/* + * When this is (directly or indirectly) used on the TLB invalidation + * path, we rely on a previously issued DSB so that page table updates + * and VMID reads are correctly ordered. + */ static __always_inline u64 kvm_get_vttbr(struct kvm_s2_mmu *mmu) { struct kvm_vmid *vmid = &mmu->vmid; @@ -259,7 +264,7 @@ static __always_inline u64 kvm_get_vttbr(struct kvm_s2_mmu *mmu) u64 cnp = system_supports_cnp() ? VTTBR_CNP_BIT : 0; baddr = mmu->pgd_phys; - vmid_field = (u64)vmid->vmid << VTTBR_VMID_SHIFT; + vmid_field = (u64)READ_ONCE(vmid->vmid) << VTTBR_VMID_SHIFT; return kvm_phys_to_vttbr(baddr) | vmid_field | cnp; } @@ -267,9 +272,10 @@ static __always_inline u64 kvm_get_vttbr(struct kvm_s2_mmu *mmu) * Must be called from hyp code running at EL2 with an updated VTTBR * and interrupts disabled. */ -static __always_inline void __load_stage2(struct kvm_s2_mmu *mmu, unsigned long vtcr) +static __always_inline void __load_stage2(struct kvm_s2_mmu *mmu, + struct kvm_arch *arch) { - write_sysreg(vtcr, vtcr_el2); + write_sysreg(arch->vtcr, vtcr_el2); write_sysreg(kvm_get_vttbr(mmu), vttbr_el2); /* @@ -280,11 +286,6 @@ static __always_inline void __load_stage2(struct kvm_s2_mmu *mmu, unsigned long asm(ALTERNATIVE("nop", "isb", ARM64_WORKAROUND_SPECULATIVE_AT)); } -static __always_inline void __load_guest_stage2(struct kvm_s2_mmu *mmu) -{ - __load_stage2(mmu, kern_hyp_va(mmu->arch)->vtcr); -} - static inline struct kvm *kvm_s2_mmu_to_kvm(struct kvm_s2_mmu *mmu) { return container_of(mmu->arch, struct kvm, arch); diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h index f004c0115d89..027783829584 100644 --- a/arch/arm64/include/asm/kvm_pgtable.h +++ b/arch/arm64/include/asm/kvm_pgtable.h @@ -25,6 +25,46 @@ static inline u64 kvm_get_parange(u64 mmfr0) typedef u64 kvm_pte_t; +#define KVM_PTE_VALID BIT(0) + +#define KVM_PTE_ADDR_MASK GENMASK(47, PAGE_SHIFT) +#define KVM_PTE_ADDR_51_48 GENMASK(15, 12) + +static inline bool kvm_pte_valid(kvm_pte_t pte) +{ + return pte & KVM_PTE_VALID; +} + +static inline u64 kvm_pte_to_phys(kvm_pte_t pte) +{ + u64 pa = pte & KVM_PTE_ADDR_MASK; + + if (PAGE_SHIFT == 16) + pa |= FIELD_GET(KVM_PTE_ADDR_51_48, pte) << 48; + + return pa; +} + +static inline u64 kvm_granule_shift(u32 level) +{ + /* Assumes KVM_PGTABLE_MAX_LEVELS is 4 */ + return ARM64_HW_PGTABLE_LEVEL_SHIFT(level); +} + +static inline u64 kvm_granule_size(u32 level) +{ + return BIT(kvm_granule_shift(level)); +} + +static inline bool kvm_level_supports_block_mapping(u32 level) +{ + /* + * Reject invalid block mappings and don't bother with 4TB mappings for + * 52-bit PAs. + */ + return !(level == 0 || (PAGE_SIZE != SZ_4K && level == 1)); +} + /** * struct kvm_pgtable_mm_ops - Memory management callbacks. * @zalloc_page: Allocate a single zeroed memory page. @@ -76,30 +116,15 @@ enum kvm_pgtable_stage2_flags { }; /** - * struct kvm_pgtable - KVM page-table. - * @ia_bits: Maximum input address size, in bits. - * @start_level: Level at which the page-table walk starts. - * @pgd: Pointer to the first top-level entry of the page-table. - * @mm_ops: Memory management callbacks. - * @mmu: Stage-2 KVM MMU struct. Unused for stage-1 page-tables. - */ -struct kvm_pgtable { - u32 ia_bits; - u32 start_level; - kvm_pte_t *pgd; - struct kvm_pgtable_mm_ops *mm_ops; - - /* Stage-2 only */ - struct kvm_s2_mmu *mmu; - enum kvm_pgtable_stage2_flags flags; -}; - -/** * enum kvm_pgtable_prot - Page-table permissions and attributes. * @KVM_PGTABLE_PROT_X: Execute permission. * @KVM_PGTABLE_PROT_W: Write permission. * @KVM_PGTABLE_PROT_R: Read permission. * @KVM_PGTABLE_PROT_DEVICE: Device attributes. + * @KVM_PGTABLE_PROT_SW0: Software bit 0. + * @KVM_PGTABLE_PROT_SW1: Software bit 1. + * @KVM_PGTABLE_PROT_SW2: Software bit 2. + * @KVM_PGTABLE_PROT_SW3: Software bit 3. */ enum kvm_pgtable_prot { KVM_PGTABLE_PROT_X = BIT(0), @@ -107,21 +132,48 @@ enum kvm_pgtable_prot { KVM_PGTABLE_PROT_R = BIT(2), KVM_PGTABLE_PROT_DEVICE = BIT(3), + + KVM_PGTABLE_PROT_SW0 = BIT(55), + KVM_PGTABLE_PROT_SW1 = BIT(56), + KVM_PGTABLE_PROT_SW2 = BIT(57), + KVM_PGTABLE_PROT_SW3 = BIT(58), }; -#define PAGE_HYP (KVM_PGTABLE_PROT_R | KVM_PGTABLE_PROT_W) +#define KVM_PGTABLE_PROT_RW (KVM_PGTABLE_PROT_R | KVM_PGTABLE_PROT_W) +#define KVM_PGTABLE_PROT_RWX (KVM_PGTABLE_PROT_RW | KVM_PGTABLE_PROT_X) + +#define PKVM_HOST_MEM_PROT KVM_PGTABLE_PROT_RWX +#define PKVM_HOST_MMIO_PROT KVM_PGTABLE_PROT_RW + +#define PAGE_HYP KVM_PGTABLE_PROT_RW #define PAGE_HYP_EXEC (KVM_PGTABLE_PROT_R | KVM_PGTABLE_PROT_X) #define PAGE_HYP_RO (KVM_PGTABLE_PROT_R) #define PAGE_HYP_DEVICE (PAGE_HYP | KVM_PGTABLE_PROT_DEVICE) +typedef bool (*kvm_pgtable_force_pte_cb_t)(u64 addr, u64 end, + enum kvm_pgtable_prot prot); + /** - * struct kvm_mem_range - Range of Intermediate Physical Addresses - * @start: Start of the range. - * @end: End of the range. + * struct kvm_pgtable - KVM page-table. + * @ia_bits: Maximum input address size, in bits. + * @start_level: Level at which the page-table walk starts. + * @pgd: Pointer to the first top-level entry of the page-table. + * @mm_ops: Memory management callbacks. + * @mmu: Stage-2 KVM MMU struct. Unused for stage-1 page-tables. + * @flags: Stage-2 page-table flags. + * @force_pte_cb: Function that returns true if page level mappings must + * be used instead of block mappings. */ -struct kvm_mem_range { - u64 start; - u64 end; +struct kvm_pgtable { + u32 ia_bits; + u32 start_level; + kvm_pte_t *pgd; + struct kvm_pgtable_mm_ops *mm_ops; + + /* Stage-2 only */ + struct kvm_s2_mmu *mmu; + enum kvm_pgtable_stage2_flags flags; + kvm_pgtable_force_pte_cb_t force_pte_cb; }; /** @@ -216,21 +268,24 @@ int kvm_pgtable_hyp_map(struct kvm_pgtable *pgt, u64 addr, u64 size, u64 phys, u64 kvm_get_vtcr(u64 mmfr0, u64 mmfr1, u32 phys_shift); /** - * kvm_pgtable_stage2_init_flags() - Initialise a guest stage-2 page-table. + * __kvm_pgtable_stage2_init() - Initialise a guest stage-2 page-table. * @pgt: Uninitialised page-table structure to initialise. * @arch: Arch-specific KVM structure representing the guest virtual * machine. * @mm_ops: Memory management callbacks. * @flags: Stage-2 configuration flags. + * @force_pte_cb: Function that returns true if page level mappings must + * be used instead of block mappings. * * Return: 0 on success, negative error code on failure. */ -int kvm_pgtable_stage2_init_flags(struct kvm_pgtable *pgt, struct kvm_arch *arch, - struct kvm_pgtable_mm_ops *mm_ops, - enum kvm_pgtable_stage2_flags flags); +int __kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm_arch *arch, + struct kvm_pgtable_mm_ops *mm_ops, + enum kvm_pgtable_stage2_flags flags, + kvm_pgtable_force_pte_cb_t force_pte_cb); #define kvm_pgtable_stage2_init(pgt, arch, mm_ops) \ - kvm_pgtable_stage2_init_flags(pgt, arch, mm_ops, 0) + __kvm_pgtable_stage2_init(pgt, arch, mm_ops, 0, NULL) /** * kvm_pgtable_stage2_destroy() - Destroy an unused guest stage-2 page-table. @@ -374,7 +429,8 @@ kvm_pte_t kvm_pgtable_stage2_mkold(struct kvm_pgtable *pgt, u64 addr); * If there is a valid, leaf page-table entry used to translate @addr, then * relax the permissions in that entry according to the read, write and * execute permissions specified by @prot. No permissions are removed, and - * TLB invalidation is performed after updating the entry. + * TLB invalidation is performed after updating the entry. Software bits cannot + * be set or cleared using kvm_pgtable_stage2_relax_perms(). * * Return: 0 on success, negative error code on failure. */ @@ -433,22 +489,42 @@ int kvm_pgtable_walk(struct kvm_pgtable *pgt, u64 addr, u64 size, struct kvm_pgtable_walker *walker); /** - * kvm_pgtable_stage2_find_range() - Find a range of Intermediate Physical - * Addresses with compatible permission - * attributes. - * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init*(). - * @addr: Address that must be covered by the range. - * @prot: Protection attributes that the range must be compatible with. - * @range: Range structure used to limit the search space at call time and - * that will hold the result. + * kvm_pgtable_get_leaf() - Walk a page-table and retrieve the leaf entry + * with its level. + * @pgt: Page-table structure initialised by kvm_pgtable_*_init() + * or a similar initialiser. + * @addr: Input address for the start of the walk. + * @ptep: Pointer to storage for the retrieved PTE. + * @level: Pointer to storage for the level of the retrieved PTE. + * + * The offset of @addr within a page is ignored. * - * The offset of @addr within a page is ignored. An IPA is compatible with @prot - * iff its corresponding stage-2 page-table entry has default ownership and, if - * valid, is mapped with protection attributes identical to @prot. + * The walker will walk the page-table entries corresponding to the input + * address specified, retrieving the leaf corresponding to this address. + * Invalid entries are treated as leaf entries. * * Return: 0 on success, negative error code on failure. */ -int kvm_pgtable_stage2_find_range(struct kvm_pgtable *pgt, u64 addr, - enum kvm_pgtable_prot prot, - struct kvm_mem_range *range); +int kvm_pgtable_get_leaf(struct kvm_pgtable *pgt, u64 addr, + kvm_pte_t *ptep, u32 *level); + +/** + * kvm_pgtable_stage2_pte_prot() - Retrieve the protection attributes of a + * stage-2 Page-Table Entry. + * @pte: Page-table entry + * + * Return: protection attributes of the page-table entry in the enum + * kvm_pgtable_prot format. + */ +enum kvm_pgtable_prot kvm_pgtable_stage2_pte_prot(kvm_pte_t pte); + +/** + * kvm_pgtable_hyp_pte_prot() - Retrieve the protection attributes of a stage-1 + * Page-Table Entry. + * @pte: Page-table entry + * + * Return: protection attributes of the page-table entry in the enum + * kvm_pgtable_prot format. + */ +enum kvm_pgtable_prot kvm_pgtable_hyp_pte_prot(kvm_pte_t pte); #endif /* __ARM64_KVM_PGTABLE_H__ */ diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 7b9c3acba684..7640fa27be94 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -784,14 +784,13 @@ #define ID_AA64PFR0_AMU 0x1 #define ID_AA64PFR0_SVE 0x1 #define ID_AA64PFR0_RAS_V1 0x1 +#define ID_AA64PFR0_RAS_V1P1 0x2 #define ID_AA64PFR0_FP_NI 0xf #define ID_AA64PFR0_FP_SUPPORTED 0x0 #define ID_AA64PFR0_ASIMD_NI 0xf #define ID_AA64PFR0_ASIMD_SUPPORTED 0x0 -#define ID_AA64PFR0_EL1_64BIT_ONLY 0x1 -#define ID_AA64PFR0_EL1_32BIT_64BIT 0x2 -#define ID_AA64PFR0_EL0_64BIT_ONLY 0x1 -#define ID_AA64PFR0_EL0_32BIT_64BIT 0x2 +#define ID_AA64PFR0_ELx_64BIT_ONLY 0x1 +#define ID_AA64PFR0_ELx_32BIT_64BIT 0x2 /* id_aa64pfr1 */ #define ID_AA64PFR1_MPAMFRAC_SHIFT 16 @@ -847,15 +846,29 @@ #define ID_AA64MMFR0_ASID_SHIFT 4 #define ID_AA64MMFR0_PARANGE_SHIFT 0 -#define ID_AA64MMFR0_TGRAN4_NI 0xf -#define ID_AA64MMFR0_TGRAN4_SUPPORTED 0x0 -#define ID_AA64MMFR0_TGRAN64_NI 0xf -#define ID_AA64MMFR0_TGRAN64_SUPPORTED 0x0 -#define ID_AA64MMFR0_TGRAN16_NI 0x0 -#define ID_AA64MMFR0_TGRAN16_SUPPORTED 0x1 +#define ID_AA64MMFR0_ASID_8 0x0 +#define ID_AA64MMFR0_ASID_16 0x2 + +#define ID_AA64MMFR0_TGRAN4_NI 0xf +#define ID_AA64MMFR0_TGRAN4_SUPPORTED_MIN 0x0 +#define ID_AA64MMFR0_TGRAN4_SUPPORTED_MAX 0x7 +#define ID_AA64MMFR0_TGRAN64_NI 0xf +#define ID_AA64MMFR0_TGRAN64_SUPPORTED_MIN 0x0 +#define ID_AA64MMFR0_TGRAN64_SUPPORTED_MAX 0x7 +#define ID_AA64MMFR0_TGRAN16_NI 0x0 +#define ID_AA64MMFR0_TGRAN16_SUPPORTED_MIN 0x1 +#define ID_AA64MMFR0_TGRAN16_SUPPORTED_MAX 0xf + +#define ID_AA64MMFR0_PARANGE_32 0x0 +#define ID_AA64MMFR0_PARANGE_36 0x1 +#define ID_AA64MMFR0_PARANGE_40 0x2 +#define ID_AA64MMFR0_PARANGE_42 0x3 +#define ID_AA64MMFR0_PARANGE_44 0x4 #define ID_AA64MMFR0_PARANGE_48 0x5 #define ID_AA64MMFR0_PARANGE_52 0x6 +#define ARM64_MIN_PARANGE_BITS 32 + #define ID_AA64MMFR0_TGRAN_2_SUPPORTED_DEFAULT 0x0 #define ID_AA64MMFR0_TGRAN_2_SUPPORTED_NONE 0x1 #define ID_AA64MMFR0_TGRAN_2_SUPPORTED_MIN 0x2 @@ -900,6 +913,7 @@ #define ID_AA64MMFR2_CNP_SHIFT 0 /* id_aa64dfr0 */ +#define ID_AA64DFR0_MTPMU_SHIFT 48 #define ID_AA64DFR0_TRBE_SHIFT 44 #define ID_AA64DFR0_TRACE_FILT_SHIFT 40 #define ID_AA64DFR0_DOUBLELOCK_SHIFT 36 @@ -1028,16 +1042,19 @@ #if defined(CONFIG_ARM64_4K_PAGES) #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN4_SHIFT -#define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_TGRAN4_SUPPORTED -#define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX 0x7 +#define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_TGRAN4_SUPPORTED_MIN +#define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_TGRAN4_SUPPORTED_MAX +#define ID_AA64MMFR0_TGRAN_2_SHIFT ID_AA64MMFR0_TGRAN4_2_SHIFT #elif defined(CONFIG_ARM64_16K_PAGES) #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN16_SHIFT -#define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_TGRAN16_SUPPORTED -#define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX 0xF +#define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_TGRAN16_SUPPORTED_MIN +#define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_TGRAN16_SUPPORTED_MAX +#define ID_AA64MMFR0_TGRAN_2_SHIFT ID_AA64MMFR0_TGRAN16_2_SHIFT #elif defined(CONFIG_ARM64_64K_PAGES) #define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN64_SHIFT -#define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_TGRAN64_SUPPORTED -#define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX 0x7 +#define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_TGRAN64_SUPPORTED_MIN +#define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_TGRAN64_SUPPORTED_MAX +#define ID_AA64MMFR0_TGRAN_2_SHIFT ID_AA64MMFR0_TGRAN64_2_SHIFT #endif #define MVFR2_FPMISC_SHIFT 4 @@ -1153,6 +1170,11 @@ #define ICH_VTR_A3V_SHIFT 21 #define ICH_VTR_A3V_MASK (1 << ICH_VTR_A3V_SHIFT) +#define ARM64_FEATURE_FIELD_BITS 4 + +/* Create a mask for the feature bits of the specified feature. */ +#define ARM64_FEATURE_MASK(x) (GENMASK_ULL(x##_SHIFT + ARM64_FEATURE_FIELD_BITS - 1, x##_SHIFT)) + #ifdef __ASSEMBLY__ .irp num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30 diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 0ead8bfedf20..5b59fe5e26e4 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -239,8 +239,8 @@ static const struct arm64_ftr_bits ftr_id_aa64pfr0[] = { S_ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_FP_SHIFT, 4, ID_AA64PFR0_FP_NI), ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL3_SHIFT, 4, 0), ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL2_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_SHIFT, 4, ID_AA64PFR0_EL1_64BIT_ONLY), - ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL0_SHIFT, 4, ID_AA64PFR0_EL0_64BIT_ONLY), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_SHIFT, 4, ID_AA64PFR0_ELx_64BIT_ONLY), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL0_SHIFT, 4, ID_AA64PFR0_ELx_64BIT_ONLY), ARM64_FTR_END, }; @@ -1956,7 +1956,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = { .sys_reg = SYS_ID_AA64PFR0_EL1, .sign = FTR_UNSIGNED, .field_pos = ID_AA64PFR0_EL0_SHIFT, - .min_field_value = ID_AA64PFR0_EL0_32BIT_64BIT, + .min_field_value = ID_AA64PFR0_ELx_32BIT_64BIT, }, #ifdef CONFIG_KVM { @@ -1967,7 +1967,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = { .sys_reg = SYS_ID_AA64PFR0_EL1, .sign = FTR_UNSIGNED, .field_pos = ID_AA64PFR0_EL1_SHIFT, - .min_field_value = ID_AA64PFR0_EL1_32BIT_64BIT, + .min_field_value = ID_AA64PFR0_ELx_32BIT_64BIT, }, { .desc = "Protected KVM", diff --git a/arch/arm64/kernel/smccc-call.S b/arch/arm64/kernel/smccc-call.S index d3d37f932b97..487381164ff6 100644 --- a/arch/arm64/kernel/smccc-call.S +++ b/arch/arm64/kernel/smccc-call.S @@ -32,20 +32,23 @@ SYM_FUNC_END(__arm_smccc_sve_check) EXPORT_SYMBOL(__arm_smccc_sve_check) .macro SMCCC instr + stp x29, x30, [sp, #-16]! + mov x29, sp alternative_if ARM64_SVE bl __arm_smccc_sve_check alternative_else_nop_endif \instr #0 - ldr x4, [sp] + ldr x4, [sp, #16] stp x0, x1, [x4, #ARM_SMCCC_RES_X0_OFFS] stp x2, x3, [x4, #ARM_SMCCC_RES_X2_OFFS] - ldr x4, [sp, #8] + ldr x4, [sp, #24] cbz x4, 1f /* no quirk structure */ ldr x9, [x4, #ARM_SMCCC_QUIRK_ID_OFFS] cmp x9, #ARM_SMCCC_QUIRK_QCOM_A6 b.ne 1f str x6, [x4, ARM_SMCCC_QUIRK_STATE_OFFS] -1: ret +1: ldp x29, x30, [sp], #16 + ret .endm /* diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S index 709d2c433c5e..f6b1a88245db 100644 --- a/arch/arm64/kernel/vmlinux.lds.S +++ b/arch/arm64/kernel/vmlinux.lds.S @@ -181,6 +181,8 @@ SECTIONS /* everything from this point to __init_begin will be marked RO NX */ RO_DATA(PAGE_SIZE) + HYPERVISOR_DATA_SECTIONS + idmap_pg_dir = .; . += IDMAP_DIR_SIZE; idmap_pg_end = .; @@ -260,8 +262,6 @@ SECTIONS _sdata = .; RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN) - HYPERVISOR_DATA_SECTIONS - /* * Data written with the MMU off but read with the MMU on requires * cache lines to be invalidated, discarding up to a Cache Writeback diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig index a4eba0908bfa..d7eec0b43744 100644 --- a/arch/arm64/kvm/Kconfig +++ b/arch/arm64/kvm/Kconfig @@ -26,6 +26,7 @@ menuconfig KVM select HAVE_KVM_ARCH_TLB_FLUSH_ALL select KVM_MMIO select KVM_GENERIC_DIRTYLOG_READ_PROTECT + select KVM_XFER_TO_GUEST_WORK select SRCU select KVM_VFIO select HAVE_KVM_EVENTFD @@ -46,6 +47,15 @@ if KVM source "virt/kvm/Kconfig" +config NVHE_EL2_DEBUG + bool "Debug mode for non-VHE EL2 object" + help + Say Y here to enable the debug mode for the non-VHE KVM EL2 object. + Failure reports will BUG() in the hypervisor. This is intended for + local EL2 hypervisor development. + + If unsure, say N. + endif # KVM endif # VIRTUALIZATION diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index e9a2b8f27792..fe102cd2e518 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -6,6 +6,7 @@ #include <linux/bug.h> #include <linux/cpu_pm.h> +#include <linux/entry-kvm.h> #include <linux/errno.h> #include <linux/err.h> #include <linux/kvm_host.h> @@ -15,6 +16,7 @@ #include <linux/fs.h> #include <linux/mman.h> #include <linux/sched.h> +#include <linux/kmemleak.h> #include <linux/kvm.h> #include <linux/kvm_irqfd.h> #include <linux/irqbypass.h> @@ -42,10 +44,6 @@ #include <kvm/arm_pmu.h> #include <kvm/arm_psci.h> -#ifdef REQUIRES_VIRT -__asm__(".arch_extension virt"); -#endif - static enum kvm_mode kvm_mode = KVM_MODE_DEFAULT; DEFINE_STATIC_KEY_FALSE(kvm_protected_mode_initialized); @@ -94,10 +92,14 @@ int kvm_vm_ioctl_enable_cap(struct kvm *kvm, kvm->arch.return_nisv_io_abort_to_user = true; break; case KVM_CAP_ARM_MTE: - if (!system_supports_mte() || kvm->created_vcpus) - return -EINVAL; - r = 0; - kvm->arch.mte_enabled = true; + mutex_lock(&kvm->lock); + if (!system_supports_mte() || kvm->created_vcpus) { + r = -EINVAL; + } else { + r = 0; + kvm->arch.mte_enabled = true; + } + mutex_unlock(&kvm->lock); break; default: r = -EINVAL; @@ -571,7 +573,7 @@ static void update_vmid(struct kvm_vmid *vmid) kvm_call_hyp(__kvm_flush_vm_context); } - vmid->vmid = kvm_next_vmid; + WRITE_ONCE(vmid->vmid, kvm_next_vmid); kvm_next_vmid++; kvm_next_vmid &= (1 << kvm_get_vmid_bits()) - 1; @@ -715,6 +717,45 @@ static bool vcpu_mode_is_bad_32bit(struct kvm_vcpu *vcpu) } /** + * kvm_vcpu_exit_request - returns true if the VCPU should *not* enter the guest + * @vcpu: The VCPU pointer + * @ret: Pointer to write optional return code + * + * Returns: true if the VCPU needs to return to a preemptible + interruptible + * and skip guest entry. + * + * This function disambiguates between two different types of exits: exits to a + * preemptible + interruptible kernel context and exits to userspace. For an + * exit to userspace, this function will write the return code to ret and return + * true. For an exit to preemptible + interruptible kernel context (i.e. check + * for pending work and re-enter), return true without writing to ret. + */ +static bool kvm_vcpu_exit_request(struct kvm_vcpu *vcpu, int *ret) +{ + struct kvm_run *run = vcpu->run; + + /* + * If we're using a userspace irqchip, then check if we need + * to tell a userspace irqchip about timer or PMU level + * changes and if so, exit to userspace (the actual level + * state gets updated in kvm_timer_update_run and + * kvm_pmu_update_run below). + */ + if (static_branch_unlikely(&userspace_irqchip_in_use)) { + if (kvm_timer_should_notify_user(vcpu) || + kvm_pmu_should_notify_user(vcpu)) { + *ret = -EINTR; + run->exit_reason = KVM_EXIT_INTR; + return true; + } + } + + return kvm_request_pending(vcpu) || + need_new_vmid_gen(&vcpu->arch.hw_mmu->vmid) || + xfer_to_guest_mode_work_pending(); +} + +/** * kvm_arch_vcpu_ioctl_run - the main VCPU run function to execute guest code * @vcpu: The VCPU pointer * @@ -757,7 +798,9 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) /* * Check conditions before entering the guest */ - cond_resched(); + ret = xfer_to_guest_mode_handle_work(vcpu); + if (!ret) + ret = 1; update_vmid(&vcpu->arch.hw_mmu->vmid); @@ -777,30 +820,6 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) kvm_vgic_flush_hwstate(vcpu); /* - * Exit if we have a signal pending so that we can deliver the - * signal to user space. - */ - if (signal_pending(current)) { - ret = -EINTR; - run->exit_reason = KVM_EXIT_INTR; - } - - /* - * If we're using a userspace irqchip, then check if we need - * to tell a userspace irqchip about timer or PMU level - * changes and if so, exit to userspace (the actual level - * state gets updated in kvm_timer_update_run and - * kvm_pmu_update_run below). - */ - if (static_branch_unlikely(&userspace_irqchip_in_use)) { - if (kvm_timer_should_notify_user(vcpu) || - kvm_pmu_should_notify_user(vcpu)) { - ret = -EINTR; - run->exit_reason = KVM_EXIT_INTR; - } - } - - /* * Ensure we set mode to IN_GUEST_MODE after we disable * interrupts and before the final VCPU requests check. * See the comment in kvm_vcpu_exiting_guest_mode() and @@ -808,8 +827,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) */ smp_store_mb(vcpu->mode, IN_GUEST_MODE); - if (ret <= 0 || need_new_vmid_gen(&vcpu->arch.hw_mmu->vmid) || - kvm_request_pending(vcpu)) { + if (ret <= 0 || kvm_vcpu_exit_request(vcpu, &ret)) { vcpu->mode = OUTSIDE_GUEST_MODE; isb(); /* Ensure work in x_flush_hwstate is committed */ kvm_pmu_sync_hwstate(vcpu); @@ -1035,7 +1053,7 @@ static int kvm_vcpu_set_target(struct kvm_vcpu *vcpu, const struct kvm_vcpu_init *init) { unsigned int i, ret; - int phys_target = kvm_target_cpu(); + u32 phys_target = kvm_target_cpu(); if (init->target != phys_target) return -EINVAL; @@ -1104,6 +1122,7 @@ static int kvm_arch_vcpu_ioctl_vcpu_init(struct kvm_vcpu *vcpu, } vcpu_reset_hcr(vcpu); + vcpu->arch.cptr_el2 = CPTR_EL2_DEFAULT; /* * Handle the "start in power-off" case. @@ -1215,6 +1234,14 @@ long kvm_arch_vcpu_ioctl(struct file *filp, if (copy_from_user(®, argp, sizeof(reg))) break; + /* + * We could owe a reset due to PSCI. Handle the pending reset + * here to ensure userspace register accesses are ordered after + * the reset. + */ + if (kvm_check_request(KVM_REQ_VCPU_RESET, vcpu)) + kvm_reset_vcpu(vcpu); + if (ioctl == KVM_SET_ONE_REG) r = kvm_arm_set_reg(vcpu, ®); else @@ -1696,11 +1723,6 @@ static bool init_psci_relay(void) return true; } -static int init_common_resources(void) -{ - return kvm_set_ipa_limit(); -} - static int init_subsystems(void) { int err = 0; @@ -1954,56 +1976,17 @@ static void _kvm_host_prot_finalize(void *discard) WARN_ON(kvm_call_hyp_nvhe(__pkvm_prot_finalize)); } -static inline int pkvm_mark_hyp(phys_addr_t start, phys_addr_t end) -{ - return kvm_call_hyp_nvhe(__pkvm_mark_hyp, start, end); -} - -#define pkvm_mark_hyp_section(__section) \ - pkvm_mark_hyp(__pa_symbol(__section##_start), \ - __pa_symbol(__section##_end)) - static int finalize_hyp_mode(void) { - int cpu, ret; - if (!is_protected_kvm_enabled()) return 0; - ret = pkvm_mark_hyp_section(__hyp_idmap_text); - if (ret) - return ret; - - ret = pkvm_mark_hyp_section(__hyp_text); - if (ret) - return ret; - - ret = pkvm_mark_hyp_section(__hyp_rodata); - if (ret) - return ret; - - ret = pkvm_mark_hyp_section(__hyp_bss); - if (ret) - return ret; - - ret = pkvm_mark_hyp(hyp_mem_base, hyp_mem_base + hyp_mem_size); - if (ret) - return ret; - - for_each_possible_cpu(cpu) { - phys_addr_t start = virt_to_phys((void *)kvm_arm_hyp_percpu_base[cpu]); - phys_addr_t end = start + (PAGE_SIZE << nvhe_percpu_order()); - - ret = pkvm_mark_hyp(start, end); - if (ret) - return ret; - - start = virt_to_phys((void *)per_cpu(kvm_arm_hyp_stack_page, cpu)); - end = start + PAGE_SIZE; - ret = pkvm_mark_hyp(start, end); - if (ret) - return ret; - } + /* + * Exclude HYP BSS from kmemleak so that it doesn't get peeked + * at, which would end badly once the section is inaccessible. + * None of other sections should ever be introspected. + */ + kmemleak_free_part(__hyp_bss_start, __hyp_bss_end - __hyp_bss_start); /* * Flip the static key upfront as that may no longer be possible @@ -2015,11 +1998,6 @@ static int finalize_hyp_mode(void) return 0; } -static void check_kvm_target_cpu(void *ret) -{ - *(int *)ret = kvm_target_cpu(); -} - struct kvm_vcpu *kvm_mpidr_to_vcpu(struct kvm *kvm, unsigned long mpidr) { struct kvm_vcpu *vcpu; @@ -2079,7 +2057,6 @@ void kvm_arch_irq_bypass_start(struct irq_bypass_consumer *cons) int kvm_arch_init(void *opaque) { int err; - int ret, cpu; bool in_hyp_mode; if (!is_hyp_mode_available()) { @@ -2094,15 +2071,7 @@ int kvm_arch_init(void *opaque) kvm_info("Guests without required CPU erratum workarounds can deadlock system!\n" \ "Only trusted guests should be used on this system.\n"); - for_each_online_cpu(cpu) { - smp_call_function_single(cpu, check_kvm_target_cpu, &ret, 1); - if (ret < 0) { - kvm_err("Error, CPU %d not supported!\n", cpu); - return -ENODEV; - } - } - - err = init_common_resources(); + err = kvm_set_ipa_limit(); if (err) return err; diff --git a/arch/arm64/kvm/debug.c b/arch/arm64/kvm/debug.c index d5e79d7ee6e9..db9361338b2a 100644 --- a/arch/arm64/kvm/debug.c +++ b/arch/arm64/kvm/debug.c @@ -21,7 +21,7 @@ DBG_MDSCR_KDE | \ DBG_MDSCR_MDE) -static DEFINE_PER_CPU(u32, mdcr_el2); +static DEFINE_PER_CPU(u64, mdcr_el2); /** * save/restore_guest_debug_regs diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 5188184d25d0..5ce26bedf23c 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -48,6 +48,7 @@ const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = { STATS_DESC_COUNTER(VCPU, wfi_exit_stat), STATS_DESC_COUNTER(VCPU, mmio_exit_user), STATS_DESC_COUNTER(VCPU, mmio_exit_kernel), + STATS_DESC_COUNTER(VCPU, signal_exits), STATS_DESC_COUNTER(VCPU, exits) }; @@ -838,7 +839,7 @@ int __kvm_arm_vcpu_set_events(struct kvm_vcpu *vcpu, return 0; } -int __attribute_const__ kvm_target_cpu(void) +u32 __attribute_const__ kvm_target_cpu(void) { unsigned long implementor = read_cpuid_implementor(); unsigned long part_number = read_cpuid_part_number(); @@ -870,7 +871,7 @@ int __attribute_const__ kvm_target_cpu(void) int kvm_vcpu_preferred_target(struct kvm_vcpu_init *init) { - int target = kvm_target_cpu(); + u32 target = kvm_target_cpu(); if (target < 0) return -ENODEV; diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c index 6f48336b1d86..275a27368a04 100644 --- a/arch/arm64/kvm/handle_exit.c +++ b/arch/arm64/kvm/handle_exit.c @@ -113,34 +113,20 @@ static int kvm_handle_wfx(struct kvm_vcpu *vcpu) * guest and host are using the same debug facilities it will be up to * userspace to re-inject the correct exception for guest delivery. * - * @return: 0 (while setting vcpu->run->exit_reason), -1 for error + * @return: 0 (while setting vcpu->run->exit_reason) */ static int kvm_handle_guest_debug(struct kvm_vcpu *vcpu) { struct kvm_run *run = vcpu->run; u32 esr = kvm_vcpu_get_esr(vcpu); - int ret = 0; run->exit_reason = KVM_EXIT_DEBUG; run->debug.arch.hsr = esr; - switch (ESR_ELx_EC(esr)) { - case ESR_ELx_EC_WATCHPT_LOW: + if (ESR_ELx_EC(esr) == ESR_ELx_EC_WATCHPT_LOW) run->debug.arch.far = vcpu->arch.fault.far_el2; - fallthrough; - case ESR_ELx_EC_SOFTSTP_LOW: - case ESR_ELx_EC_BREAKPT_LOW: - case ESR_ELx_EC_BKPT32: - case ESR_ELx_EC_BRK64: - break; - default: - kvm_err("%s: un-handled case esr: %#08x\n", - __func__, (unsigned int) esr); - ret = -1; - break; - } - return ret; + return 0; } static int kvm_handle_unknown_ec(struct kvm_vcpu *vcpu) @@ -292,11 +278,12 @@ void handle_exit_early(struct kvm_vcpu *vcpu, int exception_index) kvm_handle_guest_serror(vcpu, kvm_vcpu_get_esr(vcpu)); } -void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr, u64 elr, +void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr, + u64 elr_virt, u64 elr_phys, u64 par, uintptr_t vcpu, u64 far, u64 hpfar) { - u64 elr_in_kimg = __phys_to_kimg(__hyp_pa(elr)); - u64 hyp_offset = elr_in_kimg - kaslr_offset() - elr; + u64 elr_in_kimg = __phys_to_kimg(elr_phys); + u64 hyp_offset = elr_in_kimg - kaslr_offset() - elr_virt; u64 mode = spsr & PSR_MODE_MASK; /* @@ -309,20 +296,24 @@ void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr, u64 elr, kvm_err("Invalid host exception to nVHE hyp!\n"); } else if (ESR_ELx_EC(esr) == ESR_ELx_EC_BRK64 && (esr & ESR_ELx_BRK64_ISS_COMMENT_MASK) == BUG_BRK_IMM) { - struct bug_entry *bug = find_bug(elr_in_kimg); const char *file = NULL; unsigned int line = 0; /* All hyp bugs, including warnings, are treated as fatal. */ - if (bug) - bug_get_file_line(bug, &file, &line); + if (!is_protected_kvm_enabled() || + IS_ENABLED(CONFIG_NVHE_EL2_DEBUG)) { + struct bug_entry *bug = find_bug(elr_in_kimg); + + if (bug) + bug_get_file_line(bug, &file, &line); + } if (file) kvm_err("nVHE hyp BUG at: %s:%u!\n", file, line); else - kvm_err("nVHE hyp BUG at: %016llx!\n", elr + hyp_offset); + kvm_err("nVHE hyp BUG at: %016llx!\n", elr_virt + hyp_offset); } else { - kvm_err("nVHE hyp panic at: %016llx!\n", elr + hyp_offset); + kvm_err("nVHE hyp panic at: %016llx!\n", elr_virt + hyp_offset); } /* @@ -334,5 +325,5 @@ void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr, u64 elr, kvm_err("Hyp Offset: 0x%llx\n", hyp_offset); panic("HYP panic:\nPS:%08llx PC:%016llx ESR:%08llx\nFAR:%016llx HPFAR:%016llx PAR:%016llx\nVCPU:%016lx\n", - spsr, elr, esr, far, hpfar, par, vcpu); + spsr, elr_virt, esr, far, hpfar, par, vcpu); } diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h index e4a2f295a394..a0e78a6027be 100644 --- a/arch/arm64/kvm/hyp/include/hyp/switch.h +++ b/arch/arm64/kvm/hyp/include/hyp/switch.h @@ -92,11 +92,15 @@ static inline void __activate_traps_common(struct kvm_vcpu *vcpu) write_sysreg(0, pmselr_el0); write_sysreg(ARMV8_PMU_USERENR_MASK, pmuserenr_el0); } + + vcpu->arch.mdcr_el2_host = read_sysreg(mdcr_el2); write_sysreg(vcpu->arch.mdcr_el2, mdcr_el2); } -static inline void __deactivate_traps_common(void) +static inline void __deactivate_traps_common(struct kvm_vcpu *vcpu) { + write_sysreg(vcpu->arch.mdcr_el2_host, mdcr_el2); + write_sysreg(0, hstr_el2); if (kvm_arm_support_pmu_v3()) write_sysreg(0, pmuserenr_el0); diff --git a/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h b/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h index 9c227d87c36d..b58c910babaf 100644 --- a/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h +++ b/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h @@ -12,6 +12,32 @@ #include <asm/virt.h> #include <nvhe/spinlock.h> +/* + * SW bits 0-1 are reserved to track the memory ownership state of each page: + * 00: The page is owned exclusively by the page-table owner. + * 01: The page is owned by the page-table owner, but is shared + * with another entity. + * 10: The page is shared with, but not owned by the page-table owner. + * 11: Reserved for future use (lending). + */ +enum pkvm_page_state { + PKVM_PAGE_OWNED = 0ULL, + PKVM_PAGE_SHARED_OWNED = KVM_PGTABLE_PROT_SW0, + PKVM_PAGE_SHARED_BORROWED = KVM_PGTABLE_PROT_SW1, +}; + +#define PKVM_PAGE_STATE_PROT_MASK (KVM_PGTABLE_PROT_SW0 | KVM_PGTABLE_PROT_SW1) +static inline enum kvm_pgtable_prot pkvm_mkstate(enum kvm_pgtable_prot prot, + enum pkvm_page_state state) +{ + return (prot & ~PKVM_PAGE_STATE_PROT_MASK) | state; +} + +static inline enum pkvm_page_state pkvm_getstate(enum kvm_pgtable_prot prot) +{ + return prot & PKVM_PAGE_STATE_PROT_MASK; +} + struct host_kvm { struct kvm_arch arch; struct kvm_pgtable pgt; @@ -20,16 +46,21 @@ struct host_kvm { }; extern struct host_kvm host_kvm; +extern const u8 pkvm_hyp_id; + int __pkvm_prot_finalize(void); -int __pkvm_mark_hyp(phys_addr_t start, phys_addr_t end); +int __pkvm_host_share_hyp(u64 pfn); +bool addr_is_memory(phys_addr_t phys); +int host_stage2_idmap_locked(phys_addr_t addr, u64 size, enum kvm_pgtable_prot prot); +int host_stage2_set_owner_locked(phys_addr_t addr, u64 size, u8 owner_id); int kvm_host_prepare_stage2(void *pgt_pool_base); void handle_host_mem_abort(struct kvm_cpu_context *host_ctxt); static __always_inline void __load_host_stage2(void) { if (static_branch_likely(&kvm_protected_mode_initialized)) - __load_stage2(&host_kvm.arch.mmu, host_kvm.arch.vtcr); + __load_stage2(&host_kvm.arch.mmu, &host_kvm.arch); else write_sysreg(0, vttbr_el2); } diff --git a/arch/arm64/kvm/hyp/include/nvhe/mm.h b/arch/arm64/kvm/hyp/include/nvhe/mm.h index 8ec3a5a7744b..c9a8f535212e 100644 --- a/arch/arm64/kvm/hyp/include/nvhe/mm.h +++ b/arch/arm64/kvm/hyp/include/nvhe/mm.h @@ -23,8 +23,7 @@ int hyp_map_vectors(void); int hyp_back_vmemmap(phys_addr_t phys, unsigned long size, phys_addr_t back); int pkvm_cpu_set_vector(enum arm64_hyp_spectre_vector slot); int pkvm_create_mappings(void *from, void *to, enum kvm_pgtable_prot prot); -int __pkvm_create_mappings(unsigned long start, unsigned long size, - unsigned long phys, enum kvm_pgtable_prot prot); +int pkvm_create_mappings_locked(void *from, void *to, enum kvm_pgtable_prot prot); unsigned long __pkvm_create_private_mapping(phys_addr_t phys, size_t size, enum kvm_pgtable_prot prot); diff --git a/arch/arm64/kvm/hyp/include/nvhe/spinlock.h b/arch/arm64/kvm/hyp/include/nvhe/spinlock.h index 76b537f8d1c6..4652fd04bdbe 100644 --- a/arch/arm64/kvm/hyp/include/nvhe/spinlock.h +++ b/arch/arm64/kvm/hyp/include/nvhe/spinlock.h @@ -15,6 +15,7 @@ #include <asm/alternative.h> #include <asm/lse.h> +#include <asm/rwonce.h> typedef union hyp_spinlock { u32 __val; @@ -89,4 +90,28 @@ static inline void hyp_spin_unlock(hyp_spinlock_t *lock) : "memory"); } +static inline bool hyp_spin_is_locked(hyp_spinlock_t *lock) +{ + hyp_spinlock_t lockval = READ_ONCE(*lock); + + return lockval.owner != lockval.next; +} + +#ifdef CONFIG_NVHE_EL2_DEBUG +static inline void hyp_assert_lock_held(hyp_spinlock_t *lock) +{ + /* + * The __pkvm_init() path accesses protected data-structures without + * holding locks as the other CPUs are guaranteed to not enter EL2 + * concurrently at this point in time. The point by which EL2 is + * initialized on all CPUs is reflected in the pkvm static key, so + * wait until it is set before checking the lock state. + */ + if (static_branch_likely(&kvm_protected_mode_initialized)) + BUG_ON(!hyp_spin_is_locked(lock)); +} +#else +static inline void hyp_assert_lock_held(hyp_spinlock_t *lock) { } +#endif + #endif /* __ARM64_KVM_NVHE_SPINLOCK_H__ */ diff --git a/arch/arm64/kvm/hyp/nvhe/debug-sr.c b/arch/arm64/kvm/hyp/nvhe/debug-sr.c index 7d3f25868cae..df361d839902 100644 --- a/arch/arm64/kvm/hyp/nvhe/debug-sr.c +++ b/arch/arm64/kvm/hyp/nvhe/debug-sr.c @@ -109,7 +109,7 @@ void __debug_switch_to_host(struct kvm_vcpu *vcpu) __debug_switch_to_host_common(vcpu); } -u32 __kvm_get_mdcr_el2(void) +u64 __kvm_get_mdcr_el2(void) { return read_sysreg(mdcr_el2); } diff --git a/arch/arm64/kvm/hyp/nvhe/host.S b/arch/arm64/kvm/hyp/nvhe/host.S index 2b23400e0fb3..4b652ffb591d 100644 --- a/arch/arm64/kvm/hyp/nvhe/host.S +++ b/arch/arm64/kvm/hyp/nvhe/host.S @@ -7,6 +7,7 @@ #include <linux/linkage.h> #include <asm/assembler.h> +#include <asm/kvm_arm.h> #include <asm/kvm_asm.h> #include <asm/kvm_mmu.h> @@ -85,12 +86,24 @@ SYM_FUNC_START(__hyp_do_panic) mov x29, x0 +#ifdef CONFIG_NVHE_EL2_DEBUG + /* Ensure host stage-2 is disabled */ + mrs x0, hcr_el2 + bic x0, x0, #HCR_VM + msr hcr_el2, x0 + isb + tlbi vmalls12e1 + dsb nsh +#endif + /* Load the panic arguments into x0-7 */ mrs x0, esr_el2 - get_vcpu_ptr x4, x5 - mrs x5, far_el2 - mrs x6, hpfar_el2 - mov x7, xzr // Unused argument + mov x4, x3 + mov x3, x2 + hyp_pa x3, x6 + get_vcpu_ptr x5, x6 + mrs x6, far_el2 + mrs x7, hpfar_el2 /* Enter the host, conditionally restoring the host context. */ cbz x29, __host_enter_without_restoring diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-main.c b/arch/arm64/kvm/hyp/nvhe/hyp-main.c index 1632f001f4ed..2da6aa8da868 100644 --- a/arch/arm64/kvm/hyp/nvhe/hyp-main.c +++ b/arch/arm64/kvm/hyp/nvhe/hyp-main.c @@ -140,14 +140,11 @@ static void handle___pkvm_cpu_set_vector(struct kvm_cpu_context *host_ctxt) cpu_reg(host_ctxt, 1) = pkvm_cpu_set_vector(slot); } -static void handle___pkvm_create_mappings(struct kvm_cpu_context *host_ctxt) +static void handle___pkvm_host_share_hyp(struct kvm_cpu_context *host_ctxt) { - DECLARE_REG(unsigned long, start, host_ctxt, 1); - DECLARE_REG(unsigned long, size, host_ctxt, 2); - DECLARE_REG(unsigned long, phys, host_ctxt, 3); - DECLARE_REG(enum kvm_pgtable_prot, prot, host_ctxt, 4); + DECLARE_REG(u64, pfn, host_ctxt, 1); - cpu_reg(host_ctxt, 1) = __pkvm_create_mappings(start, size, phys, prot); + cpu_reg(host_ctxt, 1) = __pkvm_host_share_hyp(pfn); } static void handle___pkvm_create_private_mapping(struct kvm_cpu_context *host_ctxt) @@ -163,14 +160,6 @@ static void handle___pkvm_prot_finalize(struct kvm_cpu_context *host_ctxt) { cpu_reg(host_ctxt, 1) = __pkvm_prot_finalize(); } - -static void handle___pkvm_mark_hyp(struct kvm_cpu_context *host_ctxt) -{ - DECLARE_REG(phys_addr_t, start, host_ctxt, 1); - DECLARE_REG(phys_addr_t, end, host_ctxt, 2); - - cpu_reg(host_ctxt, 1) = __pkvm_mark_hyp(start, end); -} typedef void (*hcall_t)(struct kvm_cpu_context *); #define HANDLE_FUNC(x) [__KVM_HOST_SMCCC_FUNC_##x] = (hcall_t)handle_##x @@ -193,10 +182,9 @@ static const hcall_t host_hcall[] = { HANDLE_FUNC(__vgic_v3_restore_aprs), HANDLE_FUNC(__pkvm_init), HANDLE_FUNC(__pkvm_cpu_set_vector), - HANDLE_FUNC(__pkvm_create_mappings), + HANDLE_FUNC(__pkvm_host_share_hyp), HANDLE_FUNC(__pkvm_create_private_mapping), HANDLE_FUNC(__pkvm_prot_finalize), - HANDLE_FUNC(__pkvm_mark_hyp), }; static void handle_host_hcall(struct kvm_cpu_context *host_ctxt) diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c index d938ce95d3bd..bacd493a4eac 100644 --- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c +++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c @@ -31,7 +31,7 @@ static struct hyp_pool host_s2_pool; u64 id_aa64mmfr0_el1_sys_val; u64 id_aa64mmfr1_el1_sys_val; -static const u8 pkvm_hyp_id = 1; +const u8 pkvm_hyp_id = 1; static void *host_s2_zalloc_pages_exact(size_t size) { @@ -89,6 +89,8 @@ static void prepare_host_vtcr(void) id_aa64mmfr1_el1_sys_val, phys_shift); } +static bool host_stage2_force_pte_cb(u64 addr, u64 end, enum kvm_pgtable_prot prot); + int kvm_host_prepare_stage2(void *pgt_pool_base) { struct kvm_s2_mmu *mmu = &host_kvm.arch.mmu; @@ -101,16 +103,17 @@ int kvm_host_prepare_stage2(void *pgt_pool_base) if (ret) return ret; - ret = kvm_pgtable_stage2_init_flags(&host_kvm.pgt, &host_kvm.arch, - &host_kvm.mm_ops, KVM_HOST_S2_FLAGS); + ret = __kvm_pgtable_stage2_init(&host_kvm.pgt, &host_kvm.arch, + &host_kvm.mm_ops, KVM_HOST_S2_FLAGS, + host_stage2_force_pte_cb); if (ret) return ret; mmu->pgd_phys = __hyp_pa(host_kvm.pgt.pgd); mmu->arch = &host_kvm.arch; mmu->pgt = &host_kvm.pgt; - mmu->vmid.vmid_gen = 0; - mmu->vmid.vmid = 0; + WRITE_ONCE(mmu->vmid.vmid_gen, 0); + WRITE_ONCE(mmu->vmid.vmid, 0); return 0; } @@ -126,7 +129,7 @@ int __pkvm_prot_finalize(void) kvm_flush_dcache_to_poc(params, sizeof(*params)); write_sysreg(params->hcr_el2, hcr_el2); - __load_stage2(&host_kvm.arch.mmu, host_kvm.arch.vtcr); + __load_stage2(&host_kvm.arch.mmu, &host_kvm.arch); /* * Make sure to have an ISB before the TLB maintenance below but only @@ -159,6 +162,11 @@ static int host_stage2_unmap_dev_all(void) return kvm_pgtable_stage2_unmap(pgt, addr, BIT(pgt->ia_bits) - addr); } +struct kvm_mem_range { + u64 start; + u64 end; +}; + static bool find_mem_range(phys_addr_t addr, struct kvm_mem_range *range) { int cur, left = 0, right = hyp_memblock_nr; @@ -189,16 +197,26 @@ static bool find_mem_range(phys_addr_t addr, struct kvm_mem_range *range) return false; } +bool addr_is_memory(phys_addr_t phys) +{ + struct kvm_mem_range range; + + return find_mem_range(phys, &range); +} + +static bool is_in_mem_range(u64 addr, struct kvm_mem_range *range) +{ + return range->start <= addr && addr < range->end; +} + static bool range_is_memory(u64 start, u64 end) { - struct kvm_mem_range r1, r2; + struct kvm_mem_range r; - if (!find_mem_range(start, &r1) || !find_mem_range(end, &r2)) - return false; - if (r1.start != r2.start) + if (!find_mem_range(start, &r)) return false; - return true; + return is_in_mem_range(end - 1, &r); } static inline int __host_stage2_idmap(u64 start, u64 end, @@ -208,60 +226,208 @@ static inline int __host_stage2_idmap(u64 start, u64 end, prot, &host_s2_pool); } +/* + * The pool has been provided with enough pages to cover all of memory with + * page granularity, but it is difficult to know how much of the MMIO range + * we will need to cover upfront, so we may need to 'recycle' the pages if we + * run out. + */ +#define host_stage2_try(fn, ...) \ + ({ \ + int __ret; \ + hyp_assert_lock_held(&host_kvm.lock); \ + __ret = fn(__VA_ARGS__); \ + if (__ret == -ENOMEM) { \ + __ret = host_stage2_unmap_dev_all(); \ + if (!__ret) \ + __ret = fn(__VA_ARGS__); \ + } \ + __ret; \ + }) + +static inline bool range_included(struct kvm_mem_range *child, + struct kvm_mem_range *parent) +{ + return parent->start <= child->start && child->end <= parent->end; +} + +static int host_stage2_adjust_range(u64 addr, struct kvm_mem_range *range) +{ + struct kvm_mem_range cur; + kvm_pte_t pte; + u32 level; + int ret; + + hyp_assert_lock_held(&host_kvm.lock); + ret = kvm_pgtable_get_leaf(&host_kvm.pgt, addr, &pte, &level); + if (ret) + return ret; + + if (kvm_pte_valid(pte)) + return -EAGAIN; + + if (pte) + return -EPERM; + + do { + u64 granule = kvm_granule_size(level); + cur.start = ALIGN_DOWN(addr, granule); + cur.end = cur.start + granule; + level++; + } while ((level < KVM_PGTABLE_MAX_LEVELS) && + !(kvm_level_supports_block_mapping(level) && + range_included(&cur, range))); + + *range = cur; + + return 0; +} + +int host_stage2_idmap_locked(phys_addr_t addr, u64 size, + enum kvm_pgtable_prot prot) +{ + hyp_assert_lock_held(&host_kvm.lock); + + return host_stage2_try(__host_stage2_idmap, addr, addr + size, prot); +} + +int host_stage2_set_owner_locked(phys_addr_t addr, u64 size, u8 owner_id) +{ + hyp_assert_lock_held(&host_kvm.lock); + + return host_stage2_try(kvm_pgtable_stage2_set_owner, &host_kvm.pgt, + addr, size, &host_s2_pool, owner_id); +} + +static bool host_stage2_force_pte_cb(u64 addr, u64 end, enum kvm_pgtable_prot prot) +{ + /* + * Block mappings must be used with care in the host stage-2 as a + * kvm_pgtable_stage2_map() operation targeting a page in the range of + * an existing block will delete the block under the assumption that + * mappings in the rest of the block range can always be rebuilt lazily. + * That assumption is correct for the host stage-2 with RWX mappings + * targeting memory or RW mappings targeting MMIO ranges (see + * host_stage2_idmap() below which implements some of the host memory + * abort logic). However, this is not safe for any other mappings where + * the host stage-2 page-table is in fact the only place where this + * state is stored. In all those cases, it is safer to use page-level + * mappings, hence avoiding to lose the state because of side-effects in + * kvm_pgtable_stage2_map(). + */ + if (range_is_memory(addr, end)) + return prot != PKVM_HOST_MEM_PROT; + else + return prot != PKVM_HOST_MMIO_PROT; +} + static int host_stage2_idmap(u64 addr) { - enum kvm_pgtable_prot prot = KVM_PGTABLE_PROT_R | KVM_PGTABLE_PROT_W; struct kvm_mem_range range; bool is_memory = find_mem_range(addr, &range); + enum kvm_pgtable_prot prot; int ret; - if (is_memory) - prot |= KVM_PGTABLE_PROT_X; + prot = is_memory ? PKVM_HOST_MEM_PROT : PKVM_HOST_MMIO_PROT; hyp_spin_lock(&host_kvm.lock); - ret = kvm_pgtable_stage2_find_range(&host_kvm.pgt, addr, prot, &range); + ret = host_stage2_adjust_range(addr, &range); if (ret) goto unlock; - ret = __host_stage2_idmap(range.start, range.end, prot); - if (ret != -ENOMEM) + ret = host_stage2_idmap_locked(range.start, range.end - range.start, prot); +unlock: + hyp_spin_unlock(&host_kvm.lock); + + return ret; +} + +static inline bool check_prot(enum kvm_pgtable_prot prot, + enum kvm_pgtable_prot required, + enum kvm_pgtable_prot denied) +{ + return (prot & (required | denied)) == required; +} + +int __pkvm_host_share_hyp(u64 pfn) +{ + phys_addr_t addr = hyp_pfn_to_phys(pfn); + enum kvm_pgtable_prot prot, cur; + void *virt = __hyp_va(addr); + enum pkvm_page_state state; + kvm_pte_t pte; + int ret; + + if (!addr_is_memory(addr)) + return -EINVAL; + + hyp_spin_lock(&host_kvm.lock); + hyp_spin_lock(&pkvm_pgd_lock); + + ret = kvm_pgtable_get_leaf(&host_kvm.pgt, addr, &pte, NULL); + if (ret) goto unlock; + if (!pte) + goto map_shared; /* - * The pool has been provided with enough pages to cover all of memory - * with page granularity, but it is difficult to know how much of the - * MMIO range we will need to cover upfront, so we may need to 'recycle' - * the pages if we run out. + * Check attributes in the host stage-2 PTE. We need the page to be: + * - mapped RWX as we're sharing memory; + * - not borrowed, as that implies absence of ownership. + * Otherwise, we can't let it got through */ - ret = host_stage2_unmap_dev_all(); - if (ret) + cur = kvm_pgtable_stage2_pte_prot(pte); + prot = pkvm_mkstate(0, PKVM_PAGE_SHARED_BORROWED); + if (!check_prot(cur, PKVM_HOST_MEM_PROT, prot)) { + ret = -EPERM; goto unlock; + } - ret = __host_stage2_idmap(range.start, range.end, prot); + state = pkvm_getstate(cur); + if (state == PKVM_PAGE_OWNED) + goto map_shared; -unlock: - hyp_spin_unlock(&host_kvm.lock); + /* + * Tolerate double-sharing the same page, but this requires + * cross-checking the hypervisor stage-1. + */ + if (state != PKVM_PAGE_SHARED_OWNED) { + ret = -EPERM; + goto unlock; + } - return ret; -} + ret = kvm_pgtable_get_leaf(&pkvm_pgtable, (u64)virt, &pte, NULL); + if (ret) + goto unlock; -int __pkvm_mark_hyp(phys_addr_t start, phys_addr_t end) -{ - int ret; + /* + * If the page has been shared with the hypervisor, it must be + * already mapped as SHARED_BORROWED in its stage-1. + */ + cur = kvm_pgtable_hyp_pte_prot(pte); + prot = pkvm_mkstate(PAGE_HYP, PKVM_PAGE_SHARED_BORROWED); + if (!check_prot(cur, prot, ~prot)) + ret = -EPERM; + goto unlock; +map_shared: /* - * host_stage2_unmap_dev_all() currently relies on MMIO mappings being - * non-persistent, so don't allow changing page ownership in MMIO range. + * If the page is not yet shared, adjust mappings in both page-tables + * while both locks are held. */ - if (!range_is_memory(start, end)) - return -EINVAL; + prot = pkvm_mkstate(PAGE_HYP, PKVM_PAGE_SHARED_BORROWED); + ret = pkvm_create_mappings_locked(virt, virt + PAGE_SIZE, prot); + BUG_ON(ret); - hyp_spin_lock(&host_kvm.lock); - ret = kvm_pgtable_stage2_set_owner(&host_kvm.pgt, start, end - start, - &host_s2_pool, pkvm_hyp_id); + prot = pkvm_mkstate(PKVM_HOST_MEM_PROT, PKVM_PAGE_SHARED_OWNED); + ret = host_stage2_idmap_locked(addr, PAGE_SIZE, prot); + BUG_ON(ret); + +unlock: + hyp_spin_unlock(&pkvm_pgd_lock); hyp_spin_unlock(&host_kvm.lock); - return ret != -EAGAIN ? ret : 0; + return ret; } void handle_host_mem_abort(struct kvm_cpu_context *host_ctxt) diff --git a/arch/arm64/kvm/hyp/nvhe/mm.c b/arch/arm64/kvm/hyp/nvhe/mm.c index a8efdf0f9003..2fabeceb889a 100644 --- a/arch/arm64/kvm/hyp/nvhe/mm.c +++ b/arch/arm64/kvm/hyp/nvhe/mm.c @@ -23,8 +23,8 @@ u64 __io_map_base; struct memblock_region hyp_memory[HYP_MEMBLOCK_REGIONS]; unsigned int hyp_memblock_nr; -int __pkvm_create_mappings(unsigned long start, unsigned long size, - unsigned long phys, enum kvm_pgtable_prot prot) +static int __pkvm_create_mappings(unsigned long start, unsigned long size, + unsigned long phys, enum kvm_pgtable_prot prot) { int err; @@ -67,13 +67,15 @@ out: return addr; } -int pkvm_create_mappings(void *from, void *to, enum kvm_pgtable_prot prot) +int pkvm_create_mappings_locked(void *from, void *to, enum kvm_pgtable_prot prot) { unsigned long start = (unsigned long)from; unsigned long end = (unsigned long)to; unsigned long virt_addr; phys_addr_t phys; + hyp_assert_lock_held(&pkvm_pgd_lock); + start = start & PAGE_MASK; end = PAGE_ALIGN(end); @@ -81,7 +83,8 @@ int pkvm_create_mappings(void *from, void *to, enum kvm_pgtable_prot prot) int err; phys = hyp_virt_to_phys((void *)virt_addr); - err = __pkvm_create_mappings(virt_addr, PAGE_SIZE, phys, prot); + err = kvm_pgtable_hyp_map(&pkvm_pgtable, virt_addr, PAGE_SIZE, + phys, prot); if (err) return err; } @@ -89,6 +92,17 @@ int pkvm_create_mappings(void *from, void *to, enum kvm_pgtable_prot prot) return 0; } +int pkvm_create_mappings(void *from, void *to, enum kvm_pgtable_prot prot) +{ + int ret; + + hyp_spin_lock(&pkvm_pgd_lock); + ret = pkvm_create_mappings_locked(from, to, prot); + hyp_spin_unlock(&pkvm_pgd_lock); + + return ret; +} + int hyp_back_vmemmap(phys_addr_t phys, unsigned long size, phys_addr_t back) { unsigned long start, end; diff --git a/arch/arm64/kvm/hyp/nvhe/setup.c b/arch/arm64/kvm/hyp/nvhe/setup.c index 0b574d106519..57c27846320f 100644 --- a/arch/arm64/kvm/hyp/nvhe/setup.c +++ b/arch/arm64/kvm/hyp/nvhe/setup.c @@ -58,6 +58,7 @@ static int recreate_hyp_mappings(phys_addr_t phys, unsigned long size, { void *start, *end, *virt = hyp_phys_to_virt(phys); unsigned long pgt_size = hyp_s1_pgtable_pages() << PAGE_SHIFT; + enum kvm_pgtable_prot prot; int ret, i; /* Recreate the hyp page-table using the early page allocator */ @@ -83,10 +84,6 @@ static int recreate_hyp_mappings(phys_addr_t phys, unsigned long size, if (ret) return ret; - ret = pkvm_create_mappings(__start_rodata, __end_rodata, PAGE_HYP_RO); - if (ret) - return ret; - ret = pkvm_create_mappings(__hyp_rodata_start, __hyp_rodata_end, PAGE_HYP_RO); if (ret) return ret; @@ -95,10 +92,6 @@ static int recreate_hyp_mappings(phys_addr_t phys, unsigned long size, if (ret) return ret; - ret = pkvm_create_mappings(__hyp_bss_end, __bss_stop, PAGE_HYP_RO); - if (ret) - return ret; - ret = pkvm_create_mappings(virt, virt + size, PAGE_HYP); if (ret) return ret; @@ -117,6 +110,24 @@ static int recreate_hyp_mappings(phys_addr_t phys, unsigned long size, return ret; } + /* + * Map the host's .bss and .rodata sections RO in the hypervisor, but + * transfer the ownership from the host to the hypervisor itself to + * make sure it can't be donated or shared with another entity. + * + * The ownership transition requires matching changes in the host + * stage-2. This will be done later (see finalize_host_mappings()) once + * the hyp_vmemmap is addressable. + */ + prot = pkvm_mkstate(PAGE_HYP_RO, PKVM_PAGE_SHARED_OWNED); + ret = pkvm_create_mappings(__start_rodata, __end_rodata, prot); + if (ret) + return ret; + + ret = pkvm_create_mappings(__hyp_bss_end, __bss_stop, prot); + if (ret) + return ret; + return 0; } @@ -148,6 +159,57 @@ static void hpool_put_page(void *addr) hyp_put_page(&hpool, addr); } +static int finalize_host_mappings_walker(u64 addr, u64 end, u32 level, + kvm_pte_t *ptep, + enum kvm_pgtable_walk_flags flag, + void * const arg) +{ + enum kvm_pgtable_prot prot; + enum pkvm_page_state state; + kvm_pte_t pte = *ptep; + phys_addr_t phys; + + if (!kvm_pte_valid(pte)) + return 0; + + if (level != (KVM_PGTABLE_MAX_LEVELS - 1)) + return -EINVAL; + + phys = kvm_pte_to_phys(pte); + if (!addr_is_memory(phys)) + return 0; + + /* + * Adjust the host stage-2 mappings to match the ownership attributes + * configured in the hypervisor stage-1. + */ + state = pkvm_getstate(kvm_pgtable_hyp_pte_prot(pte)); + switch (state) { + case PKVM_PAGE_OWNED: + return host_stage2_set_owner_locked(phys, PAGE_SIZE, pkvm_hyp_id); + case PKVM_PAGE_SHARED_OWNED: + prot = pkvm_mkstate(PKVM_HOST_MEM_PROT, PKVM_PAGE_SHARED_BORROWED); + break; + case PKVM_PAGE_SHARED_BORROWED: + prot = pkvm_mkstate(PKVM_HOST_MEM_PROT, PKVM_PAGE_SHARED_OWNED); + break; + default: + return -EINVAL; + } + + return host_stage2_idmap_locked(phys, PAGE_SIZE, prot); +} + +static int finalize_host_mappings(void) +{ + struct kvm_pgtable_walker walker = { + .cb = finalize_host_mappings_walker, + .flags = KVM_PGTABLE_WALK_LEAF, + }; + + return kvm_pgtable_walk(&pkvm_pgtable, 0, BIT(pkvm_pgtable.ia_bits), &walker); +} + void __noreturn __pkvm_init_finalise(void) { struct kvm_host_data *host_data = this_cpu_ptr(&kvm_host_data); @@ -167,6 +229,10 @@ void __noreturn __pkvm_init_finalise(void) if (ret) goto out; + ret = finalize_host_mappings(); + if (ret) + goto out; + pkvm_pgtable_mm_ops = (struct kvm_pgtable_mm_ops) { .zalloc_page = hyp_zalloc_hyp_page, .phys_to_virt = hyp_phys_to_virt, diff --git a/arch/arm64/kvm/hyp/nvhe/switch.c b/arch/arm64/kvm/hyp/nvhe/switch.c index f7af9688c1f7..a34b01cc8ab9 100644 --- a/arch/arm64/kvm/hyp/nvhe/switch.c +++ b/arch/arm64/kvm/hyp/nvhe/switch.c @@ -41,7 +41,7 @@ static void __activate_traps(struct kvm_vcpu *vcpu) ___activate_traps(vcpu); __activate_traps_common(vcpu); - val = CPTR_EL2_DEFAULT; + val = vcpu->arch.cptr_el2; val |= CPTR_EL2_TTA | CPTR_EL2_TAM; if (!update_fp_enabled(vcpu)) { val |= CPTR_EL2_TFP | CPTR_EL2_TZ; @@ -69,12 +69,10 @@ static void __activate_traps(struct kvm_vcpu *vcpu) static void __deactivate_traps(struct kvm_vcpu *vcpu) { extern char __kvm_hyp_host_vector[]; - u64 mdcr_el2, cptr; + u64 cptr; ___deactivate_traps(vcpu); - mdcr_el2 = read_sysreg(mdcr_el2); - if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) { u64 val; @@ -92,13 +90,8 @@ static void __deactivate_traps(struct kvm_vcpu *vcpu) isb(); } - __deactivate_traps_common(); - - mdcr_el2 &= MDCR_EL2_HPMN_MASK; - mdcr_el2 |= MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT; - mdcr_el2 |= MDCR_EL2_E2TB_MASK << MDCR_EL2_E2TB_SHIFT; + __deactivate_traps_common(vcpu); - write_sysreg(mdcr_el2, mdcr_el2); write_sysreg(this_cpu_ptr(&kvm_init_params)->hcr_el2, hcr_el2); cptr = CPTR_EL2_DEFAULT; @@ -170,6 +163,7 @@ int __kvm_vcpu_run(struct kvm_vcpu *vcpu) { struct kvm_cpu_context *host_ctxt; struct kvm_cpu_context *guest_ctxt; + struct kvm_s2_mmu *mmu; bool pmu_switch_needed; u64 exit_code; @@ -213,7 +207,8 @@ int __kvm_vcpu_run(struct kvm_vcpu *vcpu) __sysreg32_restore_state(vcpu); __sysreg_restore_state_nvhe(guest_ctxt); - __load_guest_stage2(kern_hyp_va(vcpu->arch.hw_mmu)); + mmu = kern_hyp_va(vcpu->arch.hw_mmu); + __load_stage2(mmu, kern_hyp_va(mmu->arch)); __activate_traps(vcpu); __hyp_vgic_restore_state(vcpu); diff --git a/arch/arm64/kvm/hyp/nvhe/tlb.c b/arch/arm64/kvm/hyp/nvhe/tlb.c index 38ed0f6f2703..d296d617f589 100644 --- a/arch/arm64/kvm/hyp/nvhe/tlb.c +++ b/arch/arm64/kvm/hyp/nvhe/tlb.c @@ -34,12 +34,12 @@ static void __tlb_switch_to_guest(struct kvm_s2_mmu *mmu, } /* - * __load_guest_stage2() includes an ISB only when the AT + * __load_stage2() includes an ISB only when the AT * workaround is applied. Take care of the opposite condition, * ensuring that we always have an ISB, but not two ISBs back * to back. */ - __load_guest_stage2(mmu); + __load_stage2(mmu, kern_hyp_va(mmu->arch)); asm(ALTERNATIVE("isb", "nop", ARM64_WORKAROUND_SPECULATIVE_AT)); } diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c index 05321f4165e3..f8ceebe4982e 100644 --- a/arch/arm64/kvm/hyp/pgtable.c +++ b/arch/arm64/kvm/hyp/pgtable.c @@ -11,16 +11,12 @@ #include <asm/kvm_pgtable.h> #include <asm/stage2_pgtable.h> -#define KVM_PTE_VALID BIT(0) #define KVM_PTE_TYPE BIT(1) #define KVM_PTE_TYPE_BLOCK 0 #define KVM_PTE_TYPE_PAGE 1 #define KVM_PTE_TYPE_TABLE 1 -#define KVM_PTE_ADDR_MASK GENMASK(47, PAGE_SHIFT) -#define KVM_PTE_ADDR_51_48 GENMASK(15, 12) - #define KVM_PTE_LEAF_ATTR_LO GENMASK(11, 2) #define KVM_PTE_LEAF_ATTR_LO_S1_ATTRIDX GENMASK(4, 2) @@ -40,6 +36,8 @@ #define KVM_PTE_LEAF_ATTR_HI GENMASK(63, 51) +#define KVM_PTE_LEAF_ATTR_HI_SW GENMASK(58, 55) + #define KVM_PTE_LEAF_ATTR_HI_S1_XN BIT(54) #define KVM_PTE_LEAF_ATTR_HI_S2_XN BIT(54) @@ -48,9 +46,7 @@ KVM_PTE_LEAF_ATTR_LO_S2_S2AP_W | \ KVM_PTE_LEAF_ATTR_HI_S2_XN) -#define KVM_PTE_LEAF_ATTR_S2_IGNORED GENMASK(58, 55) - -#define KVM_INVALID_PTE_OWNER_MASK GENMASK(63, 56) +#define KVM_INVALID_PTE_OWNER_MASK GENMASK(9, 2) #define KVM_MAX_OWNER_ID 1 struct kvm_pgtable_walk_data { @@ -61,17 +57,6 @@ struct kvm_pgtable_walk_data { u64 end; }; -static u64 kvm_granule_shift(u32 level) -{ - /* Assumes KVM_PGTABLE_MAX_LEVELS is 4 */ - return ARM64_HW_PGTABLE_LEVEL_SHIFT(level); -} - -static u64 kvm_granule_size(u32 level) -{ - return BIT(kvm_granule_shift(level)); -} - #define KVM_PHYS_INVALID (-1ULL) static bool kvm_phys_is_valid(u64 phys) @@ -79,15 +64,6 @@ static bool kvm_phys_is_valid(u64 phys) return phys < BIT(id_aa64mmfr0_parange_to_phys_shift(ID_AA64MMFR0_PARANGE_MAX)); } -static bool kvm_level_supports_block_mapping(u32 level) -{ - /* - * Reject invalid block mappings and don't bother with 4TB mappings for - * 52-bit PAs. - */ - return !(level == 0 || (PAGE_SIZE != SZ_4K && level == 1)); -} - static bool kvm_block_mapping_supported(u64 addr, u64 end, u64 phys, u32 level) { u64 granule = kvm_granule_size(level); @@ -135,11 +111,6 @@ static u32 kvm_pgd_pages(u32 ia_bits, u32 start_level) return __kvm_pgd_page_idx(&pgt, -1ULL) + 1; } -static bool kvm_pte_valid(kvm_pte_t pte) -{ - return pte & KVM_PTE_VALID; -} - static bool kvm_pte_table(kvm_pte_t pte, u32 level) { if (level == KVM_PGTABLE_MAX_LEVELS - 1) @@ -151,16 +122,6 @@ static bool kvm_pte_table(kvm_pte_t pte, u32 level) return FIELD_GET(KVM_PTE_TYPE, pte) == KVM_PTE_TYPE_TABLE; } -static u64 kvm_pte_to_phys(kvm_pte_t pte) -{ - u64 pa = pte & KVM_PTE_ADDR_MASK; - - if (PAGE_SHIFT == 16) - pa |= FIELD_GET(KVM_PTE_ADDR_51_48, pte) << 48; - - return pa; -} - static kvm_pte_t kvm_phys_to_pte(u64 pa) { kvm_pte_t pte = pa & KVM_PTE_ADDR_MASK; @@ -326,6 +287,45 @@ int kvm_pgtable_walk(struct kvm_pgtable *pgt, u64 addr, u64 size, return _kvm_pgtable_walk(&walk_data); } +struct leaf_walk_data { + kvm_pte_t pte; + u32 level; +}; + +static int leaf_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep, + enum kvm_pgtable_walk_flags flag, void * const arg) +{ + struct leaf_walk_data *data = arg; + + data->pte = *ptep; + data->level = level; + + return 0; +} + +int kvm_pgtable_get_leaf(struct kvm_pgtable *pgt, u64 addr, + kvm_pte_t *ptep, u32 *level) +{ + struct leaf_walk_data data; + struct kvm_pgtable_walker walker = { + .cb = leaf_walker, + .flags = KVM_PGTABLE_WALK_LEAF, + .arg = &data, + }; + int ret; + + ret = kvm_pgtable_walk(pgt, ALIGN_DOWN(addr, PAGE_SIZE), + PAGE_SIZE, &walker); + if (!ret) { + if (ptep) + *ptep = data.pte; + if (level) + *level = data.level; + } + + return ret; +} + struct hyp_map_data { u64 phys; kvm_pte_t attr; @@ -357,11 +357,47 @@ static int hyp_set_prot_attr(enum kvm_pgtable_prot prot, kvm_pte_t *ptep) attr |= FIELD_PREP(KVM_PTE_LEAF_ATTR_LO_S1_AP, ap); attr |= FIELD_PREP(KVM_PTE_LEAF_ATTR_LO_S1_SH, sh); attr |= KVM_PTE_LEAF_ATTR_LO_S1_AF; + attr |= prot & KVM_PTE_LEAF_ATTR_HI_SW; *ptep = attr; return 0; } +enum kvm_pgtable_prot kvm_pgtable_hyp_pte_prot(kvm_pte_t pte) +{ + enum kvm_pgtable_prot prot = pte & KVM_PTE_LEAF_ATTR_HI_SW; + u32 ap; + + if (!kvm_pte_valid(pte)) + return prot; + + if (!(pte & KVM_PTE_LEAF_ATTR_HI_S1_XN)) + prot |= KVM_PGTABLE_PROT_X; + + ap = FIELD_GET(KVM_PTE_LEAF_ATTR_LO_S1_AP, pte); + if (ap == KVM_PTE_LEAF_ATTR_LO_S1_AP_RO) + prot |= KVM_PGTABLE_PROT_R; + else if (ap == KVM_PTE_LEAF_ATTR_LO_S1_AP_RW) + prot |= KVM_PGTABLE_PROT_RW; + + return prot; +} + +static bool hyp_pte_needs_update(kvm_pte_t old, kvm_pte_t new) +{ + /* + * Tolerate KVM recreating the exact same mapping, or changing software + * bits if the existing mapping was valid. + */ + if (old == new) + return false; + + if (!kvm_pte_valid(old)) + return true; + + return !WARN_ON((old ^ new) & ~KVM_PTE_LEAF_ATTR_HI_SW); +} + static bool hyp_map_walker_try_leaf(u64 addr, u64 end, u32 level, kvm_pte_t *ptep, struct hyp_map_data *data) { @@ -371,9 +407,8 @@ static bool hyp_map_walker_try_leaf(u64 addr, u64 end, u32 level, if (!kvm_block_mapping_supported(addr, end, phys, level)) return false; - /* Tolerate KVM recreating the exact same mapping */ new = kvm_init_valid_leaf_pte(phys, data->attr, level); - if (old != new && !WARN_ON(kvm_pte_valid(old))) + if (hyp_pte_needs_update(old, new)) smp_store_release(ptep, new); data->phys += granule; @@ -438,6 +473,8 @@ int kvm_pgtable_hyp_init(struct kvm_pgtable *pgt, u32 va_bits, pgt->start_level = KVM_PGTABLE_MAX_LEVELS - levels; pgt->mm_ops = mm_ops; pgt->mmu = NULL; + pgt->force_pte_cb = NULL; + return 0; } @@ -475,6 +512,9 @@ struct stage2_map_data { void *memcache; struct kvm_pgtable_mm_ops *mm_ops; + + /* Force mappings to page granularity */ + bool force_pte; }; u64 kvm_get_vtcr(u64 mmfr0, u64 mmfr1, u32 phys_shift) @@ -539,11 +579,29 @@ static int stage2_set_prot_attr(struct kvm_pgtable *pgt, enum kvm_pgtable_prot p attr |= FIELD_PREP(KVM_PTE_LEAF_ATTR_LO_S2_SH, sh); attr |= KVM_PTE_LEAF_ATTR_LO_S2_AF; + attr |= prot & KVM_PTE_LEAF_ATTR_HI_SW; *ptep = attr; return 0; } +enum kvm_pgtable_prot kvm_pgtable_stage2_pte_prot(kvm_pte_t pte) +{ + enum kvm_pgtable_prot prot = pte & KVM_PTE_LEAF_ATTR_HI_SW; + + if (!kvm_pte_valid(pte)) + return prot; + + if (pte & KVM_PTE_LEAF_ATTR_LO_S2_S2AP_R) + prot |= KVM_PGTABLE_PROT_R; + if (pte & KVM_PTE_LEAF_ATTR_LO_S2_S2AP_W) + prot |= KVM_PGTABLE_PROT_W; + if (!(pte & KVM_PTE_LEAF_ATTR_HI_S2_XN)) + prot |= KVM_PGTABLE_PROT_X; + + return prot; +} + static bool stage2_pte_needs_update(kvm_pte_t old, kvm_pte_t new) { if (!kvm_pte_valid(old) || !kvm_pte_valid(new)) @@ -588,6 +646,15 @@ static bool stage2_pte_executable(kvm_pte_t pte) return !(pte & KVM_PTE_LEAF_ATTR_HI_S2_XN); } +static bool stage2_leaf_mapping_allowed(u64 addr, u64 end, u32 level, + struct stage2_map_data *data) +{ + if (data->force_pte && (level < (KVM_PGTABLE_MAX_LEVELS - 1))) + return false; + + return kvm_block_mapping_supported(addr, end, data->phys, level); +} + static int stage2_map_walker_try_leaf(u64 addr, u64 end, u32 level, kvm_pte_t *ptep, struct stage2_map_data *data) @@ -597,7 +664,7 @@ static int stage2_map_walker_try_leaf(u64 addr, u64 end, u32 level, struct kvm_pgtable *pgt = data->mmu->pgt; struct kvm_pgtable_mm_ops *mm_ops = data->mm_ops; - if (!kvm_block_mapping_supported(addr, end, phys, level)) + if (!stage2_leaf_mapping_allowed(addr, end, level, data)) return -E2BIG; if (kvm_phys_is_valid(phys)) @@ -641,7 +708,7 @@ static int stage2_map_walk_table_pre(u64 addr, u64 end, u32 level, if (data->anchor) return 0; - if (!kvm_block_mapping_supported(addr, end, data->phys, level)) + if (!stage2_leaf_mapping_allowed(addr, end, level, data)) return 0; data->childp = kvm_pte_follow(*ptep, data->mm_ops); @@ -771,6 +838,7 @@ int kvm_pgtable_stage2_map(struct kvm_pgtable *pgt, u64 addr, u64 size, .mmu = pgt->mmu, .memcache = mc, .mm_ops = pgt->mm_ops, + .force_pte = pgt->force_pte_cb && pgt->force_pte_cb(addr, addr + size, prot), }; struct kvm_pgtable_walker walker = { .cb = stage2_map_walker, @@ -802,6 +870,7 @@ int kvm_pgtable_stage2_set_owner(struct kvm_pgtable *pgt, u64 addr, u64 size, .memcache = mc, .mm_ops = pgt->mm_ops, .owner_id = owner_id, + .force_pte = true, }; struct kvm_pgtable_walker walker = { .cb = stage2_map_walker, @@ -995,6 +1064,9 @@ int kvm_pgtable_stage2_relax_perms(struct kvm_pgtable *pgt, u64 addr, u32 level; kvm_pte_t set = 0, clr = 0; + if (prot & KVM_PTE_LEAF_ATTR_HI_SW) + return -EINVAL; + if (prot & KVM_PGTABLE_PROT_R) set |= KVM_PTE_LEAF_ATTR_LO_S2_S2AP_R; @@ -1043,9 +1115,11 @@ int kvm_pgtable_stage2_flush(struct kvm_pgtable *pgt, u64 addr, u64 size) return kvm_pgtable_walk(pgt, addr, size, &walker); } -int kvm_pgtable_stage2_init_flags(struct kvm_pgtable *pgt, struct kvm_arch *arch, - struct kvm_pgtable_mm_ops *mm_ops, - enum kvm_pgtable_stage2_flags flags) + +int __kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm_arch *arch, + struct kvm_pgtable_mm_ops *mm_ops, + enum kvm_pgtable_stage2_flags flags, + kvm_pgtable_force_pte_cb_t force_pte_cb) { size_t pgd_sz; u64 vtcr = arch->vtcr; @@ -1063,6 +1137,7 @@ int kvm_pgtable_stage2_init_flags(struct kvm_pgtable *pgt, struct kvm_arch *arch pgt->mm_ops = mm_ops; pgt->mmu = &arch->mmu; pgt->flags = flags; + pgt->force_pte_cb = force_pte_cb; /* Ensure zeroed PGD pages are visible to the hardware walker */ dsb(ishst); @@ -1102,77 +1177,3 @@ void kvm_pgtable_stage2_destroy(struct kvm_pgtable *pgt) pgt->mm_ops->free_pages_exact(pgt->pgd, pgd_sz); pgt->pgd = NULL; } - -#define KVM_PTE_LEAF_S2_COMPAT_MASK (KVM_PTE_LEAF_ATTR_S2_PERMS | \ - KVM_PTE_LEAF_ATTR_LO_S2_MEMATTR | \ - KVM_PTE_LEAF_ATTR_S2_IGNORED) - -static int stage2_check_permission_walker(u64 addr, u64 end, u32 level, - kvm_pte_t *ptep, - enum kvm_pgtable_walk_flags flag, - void * const arg) -{ - kvm_pte_t old_attr, pte = *ptep, *new_attr = arg; - - /* - * Compatible mappings are either invalid and owned by the page-table - * owner (whose id is 0), or valid with matching permission attributes. - */ - if (kvm_pte_valid(pte)) { - old_attr = pte & KVM_PTE_LEAF_S2_COMPAT_MASK; - if (old_attr != *new_attr) - return -EEXIST; - } else if (pte) { - return -EEXIST; - } - - return 0; -} - -int kvm_pgtable_stage2_find_range(struct kvm_pgtable *pgt, u64 addr, - enum kvm_pgtable_prot prot, - struct kvm_mem_range *range) -{ - kvm_pte_t attr; - struct kvm_pgtable_walker check_perm_walker = { - .cb = stage2_check_permission_walker, - .flags = KVM_PGTABLE_WALK_LEAF, - .arg = &attr, - }; - u64 granule, start, end; - u32 level; - int ret; - - ret = stage2_set_prot_attr(pgt, prot, &attr); - if (ret) - return ret; - attr &= KVM_PTE_LEAF_S2_COMPAT_MASK; - - for (level = pgt->start_level; level < KVM_PGTABLE_MAX_LEVELS; level++) { - granule = kvm_granule_size(level); - start = ALIGN_DOWN(addr, granule); - end = start + granule; - - if (!kvm_level_supports_block_mapping(level)) - continue; - - if (start < range->start || range->end < end) - continue; - - /* - * Check the presence of existing mappings with incompatible - * permissions within the current block range, and try one level - * deeper if one is found. - */ - ret = kvm_pgtable_walk(pgt, start, granule, &check_perm_walker); - if (ret != -EEXIST) - break; - } - - if (!ret) { - range->start = start; - range->end = end; - } - - return ret; -} diff --git a/arch/arm64/kvm/hyp/vhe/debug-sr.c b/arch/arm64/kvm/hyp/vhe/debug-sr.c index f1e2e5a00933..289689b2682d 100644 --- a/arch/arm64/kvm/hyp/vhe/debug-sr.c +++ b/arch/arm64/kvm/hyp/vhe/debug-sr.c @@ -20,7 +20,7 @@ void __debug_switch_to_host(struct kvm_vcpu *vcpu) __debug_switch_to_host_common(vcpu); } -u32 __kvm_get_mdcr_el2(void) +u64 __kvm_get_mdcr_el2(void) { return read_sysreg(mdcr_el2); } diff --git a/arch/arm64/kvm/hyp/vhe/switch.c b/arch/arm64/kvm/hyp/vhe/switch.c index b3229924d243..ded2c66675f0 100644 --- a/arch/arm64/kvm/hyp/vhe/switch.c +++ b/arch/arm64/kvm/hyp/vhe/switch.c @@ -91,17 +91,9 @@ void activate_traps_vhe_load(struct kvm_vcpu *vcpu) __activate_traps_common(vcpu); } -void deactivate_traps_vhe_put(void) +void deactivate_traps_vhe_put(struct kvm_vcpu *vcpu) { - u64 mdcr_el2 = read_sysreg(mdcr_el2); - - mdcr_el2 &= MDCR_EL2_HPMN_MASK | - MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT | - MDCR_EL2_TPMS; - - write_sysreg(mdcr_el2, mdcr_el2); - - __deactivate_traps_common(); + __deactivate_traps_common(vcpu); } /* Switch to the guest for VHE systems running in EL2 */ @@ -124,11 +116,11 @@ static int __kvm_vcpu_run_vhe(struct kvm_vcpu *vcpu) * * We have already configured the guest's stage 1 translation in * kvm_vcpu_load_sysregs_vhe above. We must now call - * __load_guest_stage2 before __activate_traps, because - * __load_guest_stage2 configures stage 2 translation, and + * __load_stage2 before __activate_traps, because + * __load_stage2 configures stage 2 translation, and * __activate_traps clear HCR_EL2.TGE (among other things). */ - __load_guest_stage2(vcpu->arch.hw_mmu); + __load_stage2(vcpu->arch.hw_mmu, vcpu->arch.hw_mmu->arch); __activate_traps(vcpu); __kvm_adjust_pc(vcpu); diff --git a/arch/arm64/kvm/hyp/vhe/sysreg-sr.c b/arch/arm64/kvm/hyp/vhe/sysreg-sr.c index 2a0b8c88d74f..007a12dd4351 100644 --- a/arch/arm64/kvm/hyp/vhe/sysreg-sr.c +++ b/arch/arm64/kvm/hyp/vhe/sysreg-sr.c @@ -101,7 +101,7 @@ void kvm_vcpu_put_sysregs_vhe(struct kvm_vcpu *vcpu) struct kvm_cpu_context *host_ctxt; host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt; - deactivate_traps_vhe_put(); + deactivate_traps_vhe_put(vcpu); __sysreg_save_el1_state(guest_ctxt); __sysreg_save_user_state(guest_ctxt); diff --git a/arch/arm64/kvm/hyp/vhe/tlb.c b/arch/arm64/kvm/hyp/vhe/tlb.c index 66f17349f0c3..24cef9b87f9e 100644 --- a/arch/arm64/kvm/hyp/vhe/tlb.c +++ b/arch/arm64/kvm/hyp/vhe/tlb.c @@ -50,10 +50,10 @@ static void __tlb_switch_to_guest(struct kvm_s2_mmu *mmu, * * ARM erratum 1165522 requires some special handling (again), * as we need to make sure both stages of translation are in - * place before clearing TGE. __load_guest_stage2() already + * place before clearing TGE. __load_stage2() already * has an ISB in order to deal with this. */ - __load_guest_stage2(mmu); + __load_stage2(mmu, mmu->arch); val = read_sysreg(hcr_el2); val &= ~HCR_TGE; write_sysreg(val, hcr_el2); diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index f5bb235bbb59..1a94a7ca48f2 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -260,10 +260,8 @@ static int __create_hyp_mappings(unsigned long start, unsigned long size, { int err; - if (!kvm_host_owns_hyp_mappings()) { - return kvm_call_hyp_nvhe(__pkvm_create_mappings, - start, size, phys, prot); - } + if (WARN_ON(!kvm_host_owns_hyp_mappings())) + return -EINVAL; mutex_lock(&kvm_hyp_pgd_mutex); err = kvm_pgtable_hyp_map(hyp_pgtable, start, size, phys, prot); @@ -283,6 +281,21 @@ static phys_addr_t kvm_kaddr_to_phys(void *kaddr) } } +static int pkvm_share_hyp(phys_addr_t start, phys_addr_t end) +{ + phys_addr_t addr; + int ret; + + for (addr = ALIGN_DOWN(start, PAGE_SIZE); addr < end; addr += PAGE_SIZE) { + ret = kvm_call_hyp_nvhe(__pkvm_host_share_hyp, + __phys_to_pfn(addr)); + if (ret) + return ret; + } + + return 0; +} + /** * create_hyp_mappings - duplicate a kernel virtual address range in Hyp mode * @from: The virtual kernel start address of the range @@ -303,6 +316,13 @@ int create_hyp_mappings(void *from, void *to, enum kvm_pgtable_prot prot) if (is_kernel_in_hyp_mode()) return 0; + if (!kvm_host_owns_hyp_mappings()) { + if (WARN_ON(prot != PAGE_HYP)) + return -EPERM; + return pkvm_share_hyp(kvm_kaddr_to_phys(from), + kvm_kaddr_to_phys(to)); + } + start = start & PAGE_MASK; end = PAGE_ALIGN(end); @@ -434,6 +454,32 @@ int create_hyp_exec_mappings(phys_addr_t phys_addr, size_t size, return 0; } +static struct kvm_pgtable_mm_ops kvm_user_mm_ops = { + /* We shouldn't need any other callback to walk the PT */ + .phys_to_virt = kvm_host_va, +}; + +static int get_user_mapping_size(struct kvm *kvm, u64 addr) +{ + struct kvm_pgtable pgt = { + .pgd = (kvm_pte_t *)kvm->mm->pgd, + .ia_bits = VA_BITS, + .start_level = (KVM_PGTABLE_MAX_LEVELS - + CONFIG_PGTABLE_LEVELS), + .mm_ops = &kvm_user_mm_ops, + }; + kvm_pte_t pte = 0; /* Keep GCC quiet... */ + u32 level = ~0; + int ret; + + ret = kvm_pgtable_get_leaf(&pgt, addr, &pte, &level); + VM_BUG_ON(ret); + VM_BUG_ON(level >= KVM_PGTABLE_MAX_LEVELS); + VM_BUG_ON(!(pte & PTE_VALID)); + + return BIT(ARM64_HW_PGTABLE_LEVEL_SHIFT(level)); +} + static struct kvm_pgtable_mm_ops kvm_s2_mm_ops = { .zalloc_page = stage2_memcache_zalloc_page, .zalloc_pages_exact = kvm_host_zalloc_pages_exact, @@ -486,7 +532,7 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu) mmu->arch = &kvm->arch; mmu->pgt = pgt; mmu->pgd_phys = __pa(pgt->pgd); - mmu->vmid.vmid_gen = 0; + WRITE_ONCE(mmu->vmid.vmid_gen, 0); return 0; out_destroy_pgtable: @@ -781,7 +827,7 @@ static bool fault_supports_stage2_huge_mapping(struct kvm_memory_slot *memslot, * Returns the size of the mapping. */ static unsigned long -transparent_hugepage_adjust(struct kvm_memory_slot *memslot, +transparent_hugepage_adjust(struct kvm *kvm, struct kvm_memory_slot *memslot, unsigned long hva, kvm_pfn_t *pfnp, phys_addr_t *ipap) { @@ -792,8 +838,8 @@ transparent_hugepage_adjust(struct kvm_memory_slot *memslot, * sure that the HVA and IPA are sufficiently aligned and that the * block map is contained within the memslot. */ - if (kvm_is_transparent_hugepage(pfn) && - fault_supports_stage2_huge_mapping(memslot, hva, PMD_SIZE)) { + if (fault_supports_stage2_huge_mapping(memslot, hva, PMD_SIZE) && + get_user_mapping_size(kvm, hva) >= PMD_SIZE) { /* * The address we faulted on is backed by a transparent huge * page. However, because we map the compound huge page and @@ -815,7 +861,7 @@ transparent_hugepage_adjust(struct kvm_memory_slot *memslot, *ipap &= PMD_MASK; kvm_release_pfn_clean(pfn); pfn &= ~(PTRS_PER_PMD - 1); - kvm_get_pfn(pfn); + get_page(pfn_to_page(pfn)); *pfnp = pfn; return PMD_SIZE; @@ -1051,9 +1097,14 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, * If we are not forced to use page mapping, check if we are * backed by a THP and thus use block mapping if possible. */ - if (vma_pagesize == PAGE_SIZE && !(force_pte || device)) - vma_pagesize = transparent_hugepage_adjust(memslot, hva, - &pfn, &fault_ipa); + if (vma_pagesize == PAGE_SIZE && !(force_pte || device)) { + if (fault_status == FSC_PERM && fault_granule > PAGE_SIZE) + vma_pagesize = fault_granule; + else + vma_pagesize = transparent_hugepage_adjust(kvm, memslot, + hva, &pfn, + &fault_ipa); + } if (fault_status != FSC_PERM && !device && kvm_has_mte(kvm)) { /* Check the VMM hasn't introduced a new VM_SHARED VMA */ diff --git a/arch/arm64/kvm/perf.c b/arch/arm64/kvm/perf.c index 151c31fb9860..f9bb3b14130e 100644 --- a/arch/arm64/kvm/perf.c +++ b/arch/arm64/kvm/perf.c @@ -50,7 +50,7 @@ static struct perf_guest_info_callbacks kvm_guest_cbs = { int kvm_perf_init(void) { - if (kvm_pmu_probe_pmuver() != 0xf && !is_protected_kvm_enabled()) + if (kvm_pmu_probe_pmuver() != ID_AA64DFR0_PMUVER_IMP_DEF && !is_protected_kvm_enabled()) static_branch_enable(&kvm_arm_pmu_available); return perf_register_guest_info_callbacks(&kvm_guest_cbs); diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c index f33825c995cb..f5065f23b413 100644 --- a/arch/arm64/kvm/pmu-emul.c +++ b/arch/arm64/kvm/pmu-emul.c @@ -373,7 +373,6 @@ static u64 kvm_pmu_overflow_status(struct kvm_vcpu *vcpu) reg = __vcpu_sys_reg(vcpu, PMOVSSET_EL0); reg &= __vcpu_sys_reg(vcpu, PMCNTENSET_EL0); reg &= __vcpu_sys_reg(vcpu, PMINTENSET_EL1); - reg &= kvm_pmu_valid_counter_mask(vcpu); } return reg; @@ -564,20 +563,21 @@ void kvm_pmu_software_increment(struct kvm_vcpu *vcpu, u64 val) */ void kvm_pmu_handle_pmcr(struct kvm_vcpu *vcpu, u64 val) { - unsigned long mask = kvm_pmu_valid_counter_mask(vcpu); int i; if (val & ARMV8_PMU_PMCR_E) { kvm_pmu_enable_counter_mask(vcpu, - __vcpu_sys_reg(vcpu, PMCNTENSET_EL0) & mask); + __vcpu_sys_reg(vcpu, PMCNTENSET_EL0)); } else { - kvm_pmu_disable_counter_mask(vcpu, mask); + kvm_pmu_disable_counter_mask(vcpu, + __vcpu_sys_reg(vcpu, PMCNTENSET_EL0)); } if (val & ARMV8_PMU_PMCR_C) kvm_pmu_set_counter_value(vcpu, ARMV8_PMU_CYCLE_IDX, 0); if (val & ARMV8_PMU_PMCR_P) { + unsigned long mask = kvm_pmu_valid_counter_mask(vcpu); mask &= ~BIT(ARMV8_PMU_CYCLE_IDX); for_each_set_bit(i, &mask, 32) kvm_pmu_set_counter_value(vcpu, i, 0); @@ -745,7 +745,7 @@ int kvm_pmu_probe_pmuver(void) struct perf_event_attr attr = { }; struct perf_event *event; struct arm_pmu *pmu; - int pmuver = 0xf; + int pmuver = ID_AA64DFR0_PMUVER_IMP_DEF; /* * Create a dummy event that only counts user cycles. As we'll never @@ -770,7 +770,7 @@ int kvm_pmu_probe_pmuver(void) if (IS_ERR(event)) { pr_err_once("kvm: pmu event creation failed %ld\n", PTR_ERR(event)); - return 0xf; + return ID_AA64DFR0_PMUVER_IMP_DEF; } if (event->pmu) { @@ -923,7 +923,7 @@ int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr) if (!vcpu->kvm->arch.pmuver) vcpu->kvm->arch.pmuver = kvm_pmu_probe_pmuver(); - if (vcpu->kvm->arch.pmuver == 0xf) + if (vcpu->kvm->arch.pmuver == ID_AA64DFR0_PMUVER_IMP_DEF) return -ENODEV; switch (attr->attr) { diff --git a/arch/arm64/kvm/psci.c b/arch/arm64/kvm/psci.c index db4056ecccfd..74c47d420253 100644 --- a/arch/arm64/kvm/psci.c +++ b/arch/arm64/kvm/psci.c @@ -59,6 +59,12 @@ static void kvm_psci_vcpu_off(struct kvm_vcpu *vcpu) kvm_vcpu_kick(vcpu); } +static inline bool kvm_psci_valid_affinity(struct kvm_vcpu *vcpu, + unsigned long affinity) +{ + return !(affinity & ~MPIDR_HWID_BITMASK); +} + static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu) { struct vcpu_reset_state *reset_state; @@ -66,9 +72,9 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu) struct kvm_vcpu *vcpu = NULL; unsigned long cpu_id; - cpu_id = smccc_get_arg1(source_vcpu) & MPIDR_HWID_BITMASK; - if (vcpu_mode_is_32bit(source_vcpu)) - cpu_id &= ~((u32) 0); + cpu_id = smccc_get_arg1(source_vcpu); + if (!kvm_psci_valid_affinity(source_vcpu, cpu_id)) + return PSCI_RET_INVALID_PARAMS; vcpu = kvm_mpidr_to_vcpu(kvm, cpu_id); @@ -126,6 +132,9 @@ static unsigned long kvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu) target_affinity = smccc_get_arg1(vcpu); lowest_affinity_level = smccc_get_arg2(vcpu); + if (!kvm_psci_valid_affinity(vcpu, target_affinity)) + return PSCI_RET_INVALID_PARAMS; + /* Determine target affinity mask */ target_affinity_mask = psci_affinity_mask(lowest_affinity_level); if (!target_affinity_mask) diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c index cba7872d69a8..5ce36b0a3343 100644 --- a/arch/arm64/kvm/reset.c +++ b/arch/arm64/kvm/reset.c @@ -210,10 +210,16 @@ static bool vcpu_allowed_register_width(struct kvm_vcpu *vcpu) */ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) { + struct vcpu_reset_state reset_state; int ret; bool loaded; u32 pstate; + mutex_lock(&vcpu->kvm->lock); + reset_state = vcpu->arch.reset_state; + WRITE_ONCE(vcpu->arch.reset_state.reset, false); + mutex_unlock(&vcpu->kvm->lock); + /* Reset PMU outside of the non-preemptible section */ kvm_pmu_vcpu_reset(vcpu); @@ -276,8 +282,8 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) * Additional reset state handling that PSCI may have imposed on us. * Must be done after all the sys_reg reset. */ - if (vcpu->arch.reset_state.reset) { - unsigned long target_pc = vcpu->arch.reset_state.pc; + if (reset_state.reset) { + unsigned long target_pc = reset_state.pc; /* Gracefully handle Thumb2 entry point */ if (vcpu_mode_is_32bit(vcpu) && (target_pc & 1)) { @@ -286,13 +292,11 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) } /* Propagate caller endianness */ - if (vcpu->arch.reset_state.be) + if (reset_state.be) kvm_vcpu_set_be(vcpu); *vcpu_pc(vcpu) = target_pc; - vcpu_set_reg(vcpu, 0, vcpu->arch.reset_state.r0); - - vcpu->arch.reset_state.reset = false; + vcpu_set_reg(vcpu, 0, reset_state.r0); } /* Reset timer */ @@ -311,31 +315,26 @@ u32 get_kvm_ipa_limit(void) int kvm_set_ipa_limit(void) { - unsigned int parange, tgran_2; + unsigned int parange; u64 mmfr0; mmfr0 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1); parange = cpuid_feature_extract_unsigned_field(mmfr0, ID_AA64MMFR0_PARANGE_SHIFT); + /* + * IPA size beyond 48 bits could not be supported + * on either 4K or 16K page size. Hence let's cap + * it to 48 bits, in case it's reported as larger + * on the system. + */ + if (PAGE_SIZE != SZ_64K) + parange = min(parange, (unsigned int)ID_AA64MMFR0_PARANGE_48); /* * Check with ARMv8.5-GTG that our PAGE_SIZE is supported at * Stage-2. If not, things will stop very quickly. */ - switch (PAGE_SIZE) { - default: - case SZ_4K: - tgran_2 = ID_AA64MMFR0_TGRAN4_2_SHIFT; - break; - case SZ_16K: - tgran_2 = ID_AA64MMFR0_TGRAN16_2_SHIFT; - break; - case SZ_64K: - tgran_2 = ID_AA64MMFR0_TGRAN64_2_SHIFT; - break; - } - - switch (cpuid_feature_extract_unsigned_field(mmfr0, tgran_2)) { + switch (cpuid_feature_extract_unsigned_field(mmfr0, ID_AA64MMFR0_TGRAN_2_SHIFT)) { case ID_AA64MMFR0_TGRAN_2_SUPPORTED_NONE: kvm_err("PAGE_SIZE not supported at Stage-2, giving up\n"); return -EINVAL; @@ -369,7 +368,7 @@ int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type) phys_shift = KVM_VM_TYPE_ARM_IPA_SIZE(type); if (phys_shift) { if (phys_shift > kvm_ipa_limit || - phys_shift < 32) + phys_shift < ARM64_MIN_PARANGE_BITS) return -EINVAL; } else { phys_shift = KVM_PHYS_SHIFT; diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index f6f126eb6ac1..1d46e185f31e 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -44,10 +44,6 @@ * 64bit interface. */ -#define reg_to_encoding(x) \ - sys_reg((u32)(x)->Op0, (u32)(x)->Op1, \ - (u32)(x)->CRn, (u32)(x)->CRm, (u32)(x)->Op2) - static bool read_from_write_only(struct kvm_vcpu *vcpu, struct sys_reg_params *params, const struct sys_reg_desc *r) @@ -318,14 +314,14 @@ static bool trap_dbgauthstatus_el1(struct kvm_vcpu *vcpu, /* * We want to avoid world-switching all the DBG registers all the * time: - * + * * - If we've touched any debug register, it is likely that we're * going to touch more of them. It then makes sense to disable the * traps and start doing the save/restore dance * - If debug is active (DBG_MDSCR_KDE or DBG_MDSCR_MDE set), it is * then mandatory to save/restore the registers, as the guest * depends on them. - * + * * For this, we use a DIRTY bit, indicating the guest has modified the * debug registers, used as follow: * @@ -603,6 +599,41 @@ static unsigned int pmu_visibility(const struct kvm_vcpu *vcpu, return REG_HIDDEN; } +static void reset_pmu_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r) +{ + u64 n, mask = BIT(ARMV8_PMU_CYCLE_IDX); + + /* No PMU available, any PMU reg may UNDEF... */ + if (!kvm_arm_support_pmu_v3()) + return; + + n = read_sysreg(pmcr_el0) >> ARMV8_PMU_PMCR_N_SHIFT; + n &= ARMV8_PMU_PMCR_N_MASK; + if (n) + mask |= GENMASK(n - 1, 0); + + reset_unknown(vcpu, r); + __vcpu_sys_reg(vcpu, r->reg) &= mask; +} + +static void reset_pmevcntr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r) +{ + reset_unknown(vcpu, r); + __vcpu_sys_reg(vcpu, r->reg) &= GENMASK(31, 0); +} + +static void reset_pmevtyper(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r) +{ + reset_unknown(vcpu, r); + __vcpu_sys_reg(vcpu, r->reg) &= ARMV8_PMU_EVTYPE_MASK; +} + +static void reset_pmselr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r) +{ + reset_unknown(vcpu, r); + __vcpu_sys_reg(vcpu, r->reg) &= ARMV8_PMU_COUNTER_MASK; +} + static void reset_pmcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r) { u64 pmcr, val; @@ -845,7 +876,7 @@ static bool access_pmcnten(struct kvm_vcpu *vcpu, struct sys_reg_params *p, kvm_pmu_disable_counter_mask(vcpu, val); } } else { - p->regval = __vcpu_sys_reg(vcpu, PMCNTENSET_EL0) & mask; + p->regval = __vcpu_sys_reg(vcpu, PMCNTENSET_EL0); } return true; @@ -869,7 +900,7 @@ static bool access_pminten(struct kvm_vcpu *vcpu, struct sys_reg_params *p, /* accessing PMINTENCLR_EL1 */ __vcpu_sys_reg(vcpu, PMINTENSET_EL1) &= ~val; } else { - p->regval = __vcpu_sys_reg(vcpu, PMINTENSET_EL1) & mask; + p->regval = __vcpu_sys_reg(vcpu, PMINTENSET_EL1); } return true; @@ -891,7 +922,7 @@ static bool access_pmovs(struct kvm_vcpu *vcpu, struct sys_reg_params *p, /* accessing PMOVSCLR_EL0 */ __vcpu_sys_reg(vcpu, PMOVSSET_EL0) &= ~(p->regval & mask); } else { - p->regval = __vcpu_sys_reg(vcpu, PMOVSSET_EL0) & mask; + p->regval = __vcpu_sys_reg(vcpu, PMOVSSET_EL0); } return true; @@ -944,16 +975,18 @@ static bool access_pmuserenr(struct kvm_vcpu *vcpu, struct sys_reg_params *p, trap_wcr, reset_wcr, 0, 0, get_wcr, set_wcr } #define PMU_SYS_REG(r) \ - SYS_DESC(r), .reset = reset_unknown, .visibility = pmu_visibility + SYS_DESC(r), .reset = reset_pmu_reg, .visibility = pmu_visibility /* Macro to expand the PMEVCNTRn_EL0 register */ #define PMU_PMEVCNTR_EL0(n) \ { PMU_SYS_REG(SYS_PMEVCNTRn_EL0(n)), \ + .reset = reset_pmevcntr, \ .access = access_pmu_evcntr, .reg = (PMEVCNTR0_EL0 + n), } /* Macro to expand the PMEVTYPERn_EL0 register */ #define PMU_PMEVTYPER_EL0(n) \ { PMU_SYS_REG(SYS_PMEVTYPERn_EL0(n)), \ + .reset = reset_pmevtyper, \ .access = access_pmu_evtyper, .reg = (PMEVTYPER0_EL0 + n), } static bool undef_access(struct kvm_vcpu *vcpu, struct sys_reg_params *p, @@ -1026,8 +1059,6 @@ static bool access_arch_timer(struct kvm_vcpu *vcpu, return true; } -#define FEATURE(x) (GENMASK_ULL(x##_SHIFT + 3, x##_SHIFT)) - /* Read a sanitised cpufeature ID register by sys_reg_desc */ static u64 read_id_reg(const struct kvm_vcpu *vcpu, struct sys_reg_desc const *r, bool raz) @@ -1038,40 +1069,40 @@ static u64 read_id_reg(const struct kvm_vcpu *vcpu, switch (id) { case SYS_ID_AA64PFR0_EL1: if (!vcpu_has_sve(vcpu)) - val &= ~FEATURE(ID_AA64PFR0_SVE); - val &= ~FEATURE(ID_AA64PFR0_AMU); - val &= ~FEATURE(ID_AA64PFR0_CSV2); - val |= FIELD_PREP(FEATURE(ID_AA64PFR0_CSV2), (u64)vcpu->kvm->arch.pfr0_csv2); - val &= ~FEATURE(ID_AA64PFR0_CSV3); - val |= FIELD_PREP(FEATURE(ID_AA64PFR0_CSV3), (u64)vcpu->kvm->arch.pfr0_csv3); + val &= ~ARM64_FEATURE_MASK(ID_AA64PFR0_SVE); + val &= ~ARM64_FEATURE_MASK(ID_AA64PFR0_AMU); + val &= ~ARM64_FEATURE_MASK(ID_AA64PFR0_CSV2); + val |= FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_CSV2), (u64)vcpu->kvm->arch.pfr0_csv2); + val &= ~ARM64_FEATURE_MASK(ID_AA64PFR0_CSV3); + val |= FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR0_CSV3), (u64)vcpu->kvm->arch.pfr0_csv3); break; case SYS_ID_AA64PFR1_EL1: - val &= ~FEATURE(ID_AA64PFR1_MTE); + val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_MTE); if (kvm_has_mte(vcpu->kvm)) { u64 pfr, mte; pfr = read_sanitised_ftr_reg(SYS_ID_AA64PFR1_EL1); mte = cpuid_feature_extract_unsigned_field(pfr, ID_AA64PFR1_MTE_SHIFT); - val |= FIELD_PREP(FEATURE(ID_AA64PFR1_MTE), mte); + val |= FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64PFR1_MTE), mte); } break; case SYS_ID_AA64ISAR1_EL1: if (!vcpu_has_ptrauth(vcpu)) - val &= ~(FEATURE(ID_AA64ISAR1_APA) | - FEATURE(ID_AA64ISAR1_API) | - FEATURE(ID_AA64ISAR1_GPA) | - FEATURE(ID_AA64ISAR1_GPI)); + val &= ~(ARM64_FEATURE_MASK(ID_AA64ISAR1_APA) | + ARM64_FEATURE_MASK(ID_AA64ISAR1_API) | + ARM64_FEATURE_MASK(ID_AA64ISAR1_GPA) | + ARM64_FEATURE_MASK(ID_AA64ISAR1_GPI)); break; case SYS_ID_AA64DFR0_EL1: /* Limit debug to ARMv8.0 */ - val &= ~FEATURE(ID_AA64DFR0_DEBUGVER); - val |= FIELD_PREP(FEATURE(ID_AA64DFR0_DEBUGVER), 6); + val &= ~ARM64_FEATURE_MASK(ID_AA64DFR0_DEBUGVER); + val |= FIELD_PREP(ARM64_FEATURE_MASK(ID_AA64DFR0_DEBUGVER), 6); /* Limit guests to PMUv3 for ARMv8.4 */ val = cpuid_feature_cap_perfmon_field(val, ID_AA64DFR0_PMUVER_SHIFT, kvm_vcpu_has_pmu(vcpu) ? ID_AA64DFR0_PMUVER_8_4 : 0); /* Hide SPE from guests */ - val &= ~FEATURE(ID_AA64DFR0_PMSVER); + val &= ~ARM64_FEATURE_MASK(ID_AA64DFR0_PMSVER); break; case SYS_ID_DFR0_EL1: /* Limit guests to PMUv3 for ARMv8.4 */ @@ -1249,6 +1280,20 @@ static int set_raz_id_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd, return __set_id_reg(vcpu, rd, uaddr, true); } +static int set_wi_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd, + const struct kvm_one_reg *reg, void __user *uaddr) +{ + int err; + u64 val; + + /* Perform the access even if we are going to ignore the value */ + err = reg_from_user(&val, uaddr, sys_reg_to_index(rd)); + if (err) + return err; + + return 0; +} + static bool access_ctr(struct kvm_vcpu *vcpu, struct sys_reg_params *p, const struct sys_reg_desc *r) { @@ -1592,16 +1637,21 @@ static const struct sys_reg_desc sys_reg_descs[] = { .access = access_pmcnten, .reg = PMCNTENSET_EL0 }, { PMU_SYS_REG(SYS_PMOVSCLR_EL0), .access = access_pmovs, .reg = PMOVSSET_EL0 }, + /* + * PM_SWINC_EL0 is exposed to userspace as RAZ/WI, as it was + * previously (and pointlessly) advertised in the past... + */ { PMU_SYS_REG(SYS_PMSWINC_EL0), - .access = access_pmswinc, .reg = PMSWINC_EL0 }, + .get_user = get_raz_id_reg, .set_user = set_wi_reg, + .access = access_pmswinc, .reset = NULL }, { PMU_SYS_REG(SYS_PMSELR_EL0), - .access = access_pmselr, .reg = PMSELR_EL0 }, + .access = access_pmselr, .reset = reset_pmselr, .reg = PMSELR_EL0 }, { PMU_SYS_REG(SYS_PMCEID0_EL0), .access = access_pmceid, .reset = NULL }, { PMU_SYS_REG(SYS_PMCEID1_EL0), .access = access_pmceid, .reset = NULL }, { PMU_SYS_REG(SYS_PMCCNTR_EL0), - .access = access_pmu_evcntr, .reg = PMCCNTR_EL0 }, + .access = access_pmu_evcntr, .reset = reset_unknown, .reg = PMCCNTR_EL0 }, { PMU_SYS_REG(SYS_PMXEVTYPER_EL0), .access = access_pmu_evtyper, .reset = NULL }, { PMU_SYS_REG(SYS_PMXEVCNTR_EL0), @@ -2106,23 +2156,6 @@ static int check_sysreg_table(const struct sys_reg_desc *table, unsigned int n, return 0; } -static int match_sys_reg(const void *key, const void *elt) -{ - const unsigned long pval = (unsigned long)key; - const struct sys_reg_desc *r = elt; - - return pval - reg_to_encoding(r); -} - -static const struct sys_reg_desc *find_reg(const struct sys_reg_params *params, - const struct sys_reg_desc table[], - unsigned int num) -{ - unsigned long pval = reg_to_encoding(params); - - return bsearch((void *)pval, table, num, sizeof(table[0]), match_sys_reg); -} - int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu) { kvm_inject_undefined(vcpu); @@ -2365,13 +2398,8 @@ int kvm_handle_sys_reg(struct kvm_vcpu *vcpu) trace_kvm_handle_sys_reg(esr); - params.Op0 = (esr >> 20) & 3; - params.Op1 = (esr >> 14) & 0x7; - params.CRn = (esr >> 10) & 0xf; - params.CRm = (esr >> 1) & 0xf; - params.Op2 = (esr >> 17) & 0x7; + params = esr_sys64_to_params(esr); params.regval = vcpu_get_reg(vcpu, Rt); - params.is_write = !(esr & 1); ret = emulate_sys_reg(vcpu, ¶ms); diff --git a/arch/arm64/kvm/sys_regs.h b/arch/arm64/kvm/sys_regs.h index 9d0621417c2a..cc0cc95a0280 100644 --- a/arch/arm64/kvm/sys_regs.h +++ b/arch/arm64/kvm/sys_regs.h @@ -11,6 +11,12 @@ #ifndef __ARM64_KVM_SYS_REGS_LOCAL_H__ #define __ARM64_KVM_SYS_REGS_LOCAL_H__ +#include <linux/bsearch.h> + +#define reg_to_encoding(x) \ + sys_reg((u32)(x)->Op0, (u32)(x)->Op1, \ + (u32)(x)->CRn, (u32)(x)->CRm, (u32)(x)->Op2) + struct sys_reg_params { u8 Op0; u8 Op1; @@ -21,6 +27,14 @@ struct sys_reg_params { bool is_write; }; +#define esr_sys64_to_params(esr) \ + ((struct sys_reg_params){ .Op0 = ((esr) >> 20) & 3, \ + .Op1 = ((esr) >> 14) & 0x7, \ + .CRn = ((esr) >> 10) & 0xf, \ + .CRm = ((esr) >> 1) & 0xf, \ + .Op2 = ((esr) >> 17) & 0x7, \ + .is_write = !((esr) & 1) }) + struct sys_reg_desc { /* Sysreg string for debug */ const char *name; @@ -152,6 +166,23 @@ static inline int cmp_sys_reg(const struct sys_reg_desc *i1, return i1->Op2 - i2->Op2; } +static inline int match_sys_reg(const void *key, const void *elt) +{ + const unsigned long pval = (unsigned long)key; + const struct sys_reg_desc *r = elt; + + return pval - reg_to_encoding(r); +} + +static inline const struct sys_reg_desc * +find_reg(const struct sys_reg_params *params, const struct sys_reg_desc table[], + unsigned int num) +{ + unsigned long pval = reg_to_encoding(params); + + return __inline_bsearch((void *)pval, table, num, sizeof(table[0]), match_sys_reg); +} + const struct sys_reg_desc *find_reg_by_id(u64 id, struct sys_reg_params *params, const struct sys_reg_desc table[], diff --git a/arch/arm64/kvm/trace_handle_exit.h b/arch/arm64/kvm/trace_handle_exit.h index 8d78acc4fba7..064a58c19f48 100644 --- a/arch/arm64/kvm/trace_handle_exit.h +++ b/arch/arm64/kvm/trace_handle_exit.h @@ -78,13 +78,17 @@ TRACE_EVENT(kvm_arm_clear_debug, TP_printk("flags: 0x%08x", __entry->guest_debug) ); +/* + * The dreg32 name is a leftover from a distant past. This will really + * output a 64bit value... + */ TRACE_EVENT(kvm_arm_set_dreg32, - TP_PROTO(const char *name, __u32 value), + TP_PROTO(const char *name, __u64 value), TP_ARGS(name, value), TP_STRUCT__entry( __field(const char *, name) - __field(__u32, value) + __field(__u64, value) ), TP_fast_assign( @@ -92,7 +96,7 @@ TRACE_EVENT(kvm_arm_set_dreg32, __entry->value = value; ), - TP_printk("%s: 0x%08x", __entry->name, __entry->value) + TP_printk("%s: 0x%llx", __entry->name, __entry->value) ); TRACE_DEFINE_SIZEOF(__u64); diff --git a/arch/arm64/kvm/vgic/vgic-mmio-v2.c b/arch/arm64/kvm/vgic/vgic-mmio-v2.c index a016f07adc28..5f9014ae595b 100644 --- a/arch/arm64/kvm/vgic/vgic-mmio-v2.c +++ b/arch/arm64/kvm/vgic/vgic-mmio-v2.c @@ -282,7 +282,7 @@ static unsigned long vgic_mmio_read_vcpuif(struct kvm_vcpu *vcpu, case GIC_CPU_PRIMASK: /* * Our KVM_DEV_TYPE_ARM_VGIC_V2 device ABI exports the - * the PMR field as GICH_VMCR.VMPriMask rather than + * PMR field as GICH_VMCR.VMPriMask rather than * GICC_PMR.Priority, so we expose the upper five bits of * priority mask to userspace using the lower bits in the * unsigned long. @@ -329,7 +329,7 @@ static void vgic_mmio_write_vcpuif(struct kvm_vcpu *vcpu, case GIC_CPU_PRIMASK: /* * Our KVM_DEV_TYPE_ARM_VGIC_V2 device ABI exports the - * the PMR field as GICH_VMCR.VMPriMask rather than + * PMR field as GICH_VMCR.VMPriMask rather than * GICC_PMR.Priority, so we expose the upper five bits of * priority mask to userspace using the lower bits in the * unsigned long. diff --git a/arch/arm64/kvm/vgic/vgic-v2.c b/arch/arm64/kvm/vgic/vgic-v2.c index 2c580204f1dc..95a18cec14a3 100644 --- a/arch/arm64/kvm/vgic/vgic-v2.c +++ b/arch/arm64/kvm/vgic/vgic-v2.c @@ -60,6 +60,7 @@ void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu) u32 val = cpuif->vgic_lr[lr]; u32 cpuid, intid = val & GICH_LR_VIRTUALID; struct vgic_irq *irq; + bool deactivated; /* Extract the source vCPU id from the LR */ cpuid = val & GICH_LR_PHYSID_CPUID; @@ -75,7 +76,8 @@ void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu) raw_spin_lock(&irq->irq_lock); - /* Always preserve the active bit */ + /* Always preserve the active bit, note deactivation */ + deactivated = irq->active && !(val & GICH_LR_ACTIVE_BIT); irq->active = !!(val & GICH_LR_ACTIVE_BIT); if (irq->active && vgic_irq_is_sgi(intid)) @@ -96,36 +98,8 @@ void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu) if (irq->config == VGIC_CONFIG_LEVEL && !(val & GICH_LR_STATE)) irq->pending_latch = false; - /* - * Level-triggered mapped IRQs are special because we only - * observe rising edges as input to the VGIC. - * - * If the guest never acked the interrupt we have to sample - * the physical line and set the line level, because the - * device state could have changed or we simply need to - * process the still pending interrupt later. - * - * If this causes us to lower the level, we have to also clear - * the physical active state, since we will otherwise never be - * told when the interrupt becomes asserted again. - * - * Another case is when the interrupt requires a helping hand - * on deactivation (no HW deactivation, for example). - */ - if (vgic_irq_is_mapped_level(irq)) { - bool resample = false; - - if (val & GICH_LR_PENDING_BIT) { - irq->line_level = vgic_get_phys_line_level(irq); - resample = !irq->line_level; - } else if (vgic_irq_needs_resampling(irq) && - !(irq->active || irq->pending_latch)) { - resample = true; - } - - if (resample) - vgic_irq_set_phys_active(irq, false); - } + /* Handle resampling for mapped interrupts if required */ + vgic_irq_handle_resampling(irq, deactivated, val & GICH_LR_PENDING_BIT); raw_spin_unlock(&irq->irq_lock); vgic_put_irq(vcpu->kvm, irq); diff --git a/arch/arm64/kvm/vgic/vgic-v3.c b/arch/arm64/kvm/vgic/vgic-v3.c index 66004f61cd83..21a6207fb2ee 100644 --- a/arch/arm64/kvm/vgic/vgic-v3.c +++ b/arch/arm64/kvm/vgic/vgic-v3.c @@ -46,6 +46,7 @@ void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu) u32 intid, cpuid; struct vgic_irq *irq; bool is_v2_sgi = false; + bool deactivated; cpuid = val & GICH_LR_PHYSID_CPUID; cpuid >>= GICH_LR_PHYSID_CPUID_SHIFT; @@ -68,7 +69,8 @@ void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu) raw_spin_lock(&irq->irq_lock); - /* Always preserve the active bit */ + /* Always preserve the active bit, note deactivation */ + deactivated = irq->active && !(val & ICH_LR_ACTIVE_BIT); irq->active = !!(val & ICH_LR_ACTIVE_BIT); if (irq->active && is_v2_sgi) @@ -89,36 +91,8 @@ void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu) if (irq->config == VGIC_CONFIG_LEVEL && !(val & ICH_LR_STATE)) irq->pending_latch = false; - /* - * Level-triggered mapped IRQs are special because we only - * observe rising edges as input to the VGIC. - * - * If the guest never acked the interrupt we have to sample - * the physical line and set the line level, because the - * device state could have changed or we simply need to - * process the still pending interrupt later. - * - * If this causes us to lower the level, we have to also clear - * the physical active state, since we will otherwise never be - * told when the interrupt becomes asserted again. - * - * Another case is when the interrupt requires a helping hand - * on deactivation (no HW deactivation, for example). - */ - if (vgic_irq_is_mapped_level(irq)) { - bool resample = false; - - if (val & ICH_LR_PENDING_BIT) { - irq->line_level = vgic_get_phys_line_level(irq); - resample = !irq->line_level; - } else if (vgic_irq_needs_resampling(irq) && - !(irq->active || irq->pending_latch)) { - resample = true; - } - - if (resample) - vgic_irq_set_phys_active(irq, false); - } + /* Handle resampling for mapped interrupts if required */ + vgic_irq_handle_resampling(irq, deactivated, val & ICH_LR_PENDING_BIT); raw_spin_unlock(&irq->irq_lock); vgic_put_irq(vcpu->kvm, irq); diff --git a/arch/arm64/kvm/vgic/vgic.c b/arch/arm64/kvm/vgic/vgic.c index 111bff47e471..5dad4996cfb2 100644 --- a/arch/arm64/kvm/vgic/vgic.c +++ b/arch/arm64/kvm/vgic/vgic.c @@ -106,7 +106,6 @@ struct vgic_irq *vgic_get_irq(struct kvm *kvm, struct kvm_vcpu *vcpu, if (intid >= VGIC_MIN_LPI) return vgic_get_lpi(kvm, intid); - WARN(1, "Looking up struct vgic_irq for reserved INTID"); return NULL; } @@ -1022,3 +1021,41 @@ bool kvm_vgic_map_is_active(struct kvm_vcpu *vcpu, unsigned int vintid) return map_is_active; } + +/* + * Level-triggered mapped IRQs are special because we only observe rising + * edges as input to the VGIC. + * + * If the guest never acked the interrupt we have to sample the physical + * line and set the line level, because the device state could have changed + * or we simply need to process the still pending interrupt later. + * + * We could also have entered the guest with the interrupt active+pending. + * On the next exit, we need to re-evaluate the pending state, as it could + * otherwise result in a spurious interrupt by injecting a now potentially + * stale pending state. + * + * If this causes us to lower the level, we have to also clear the physical + * active state, since we will otherwise never be told when the interrupt + * becomes asserted again. + * + * Another case is when the interrupt requires a helping hand on + * deactivation (no HW deactivation, for example). + */ +void vgic_irq_handle_resampling(struct vgic_irq *irq, + bool lr_deactivated, bool lr_pending) +{ + if (vgic_irq_is_mapped_level(irq)) { + bool resample = false; + + if (unlikely(vgic_irq_needs_resampling(irq))) { + resample = !(irq->active || irq->pending_latch); + } else if (lr_pending || (lr_deactivated && irq->line_level)) { + irq->line_level = vgic_get_phys_line_level(irq); + resample = !irq->line_level; + } + + if (resample) + vgic_irq_set_phys_active(irq, false); + } +} diff --git a/arch/arm64/kvm/vgic/vgic.h b/arch/arm64/kvm/vgic/vgic.h index dc1f3d1657ee..14a9218641f5 100644 --- a/arch/arm64/kvm/vgic/vgic.h +++ b/arch/arm64/kvm/vgic/vgic.h @@ -169,6 +169,8 @@ void vgic_irq_set_phys_active(struct vgic_irq *irq, bool active); bool vgic_queue_irq_unlock(struct kvm *kvm, struct vgic_irq *irq, unsigned long flags); void vgic_kick_vcpus(struct kvm *kvm); +void vgic_irq_handle_resampling(struct vgic_irq *irq, + bool lr_deactivated, bool lr_pending); int vgic_check_ioaddr(struct kvm *kvm, phys_addr_t *ioaddr, phys_addr_t addr, phys_addr_t alignment); diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index d74586508448..9ff0de1b2b93 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -1339,7 +1339,6 @@ void *__init fixmap_remap_fdt(phys_addr_t dt_phys, int *size, pgprot_t prot) return dt_virt; } -#if CONFIG_PGTABLE_LEVELS > 3 int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t prot) { pud_t new_pud = pfn_pud(__phys_to_pfn(phys), mk_pud_sect_prot(prot)); @@ -1354,16 +1353,6 @@ int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t prot) return 1; } -int pud_clear_huge(pud_t *pudp) -{ - if (!pud_sect(READ_ONCE(*pudp))) - return 0; - pud_clear(pudp); - return 1; -} -#endif - -#if CONFIG_PGTABLE_LEVELS > 2 int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t prot) { pmd_t new_pmd = pfn_pmd(__phys_to_pfn(phys), mk_pmd_sect_prot(prot)); @@ -1378,6 +1367,14 @@ int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t prot) return 1; } +int pud_clear_huge(pud_t *pudp) +{ + if (!pud_sect(READ_ONCE(*pudp))) + return 0; + pud_clear(pudp); + return 1; +} + int pmd_clear_huge(pmd_t *pmdp) { if (!pmd_sect(READ_ONCE(*pmdp))) @@ -1385,7 +1382,6 @@ int pmd_clear_huge(pmd_t *pmdp) pmd_clear(pmdp); return 1; } -#endif int pmd_free_pte_page(pmd_t *pmdp, unsigned long addr) { diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index dccf98a37283..41c23f474ea6 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -823,6 +823,19 @@ emit_cond_jmp: return ret; break; + /* speculation barrier */ + case BPF_ST | BPF_NOSPEC: + /* + * Nothing required here. + * + * In case of arm64, we rely on the firmware mitigation of + * Speculative Store Bypass as controlled via the ssbd kernel + * parameter. Whenever the mitigation is enabled, it works + * for all of the kernel code with no need to provide any + * additional instructions. + */ + break; + /* ST: *(size *)(dst + off) = imm */ case BPF_ST | BPF_MEM | BPF_W: case BPF_ST | BPF_MEM | BPF_H: diff --git a/arch/h8300/Kconfig.cpu b/arch/h8300/Kconfig.cpu index b5e14d513e62..c30baa0499fc 100644 --- a/arch/h8300/Kconfig.cpu +++ b/arch/h8300/Kconfig.cpu @@ -44,7 +44,6 @@ config H8300_H8MAX bool "H8MAX" select H83069 select RAMKERNEL - select HAVE_IDE help H8MAX Evaluation Board Support More Information. (Japanese Only) diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index cf425c2c63af..4993c7ac7ff6 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -25,7 +25,6 @@ config IA64 select HAVE_ASM_MODVERSIONS select HAVE_UNSTABLE_SCHED_CLOCK select HAVE_EXIT_THREAD - select HAVE_IDE select HAVE_KPROBES select HAVE_KRETPROBES select HAVE_FTRACE_MCOUNT_RECORD diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 96989ad46f66..d632a1d576f9 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -23,7 +23,6 @@ config M68K select HAVE_DEBUG_BUGVERBOSE select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_HAS_NO_UNALIGNED select HAVE_FUTEX_CMPXCHG if MMU && FUTEX - select HAVE_IDE select HAVE_MOD_ARCH_SPECIFIC select HAVE_UID16 select MMU_GATHER_NO_RANGE if MMU diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine index d964c1f27399..6a07a6817885 100644 --- a/arch/m68k/Kconfig.machine +++ b/arch/m68k/Kconfig.machine @@ -33,6 +33,7 @@ config MAC depends on MMU select MMU_MOTOROLA if MMU select HAVE_ARCH_NVRAM_OPS + select HAVE_PATA_PLATFORM select LEGACY_TIMER_TICK help This option enables support for the Apple Macintosh series of diff --git a/arch/m68k/coldfire/m525x.c b/arch/m68k/coldfire/m525x.c index 2c4d2ca2f20d..485375112e28 100644 --- a/arch/m68k/coldfire/m525x.c +++ b/arch/m68k/coldfire/m525x.c @@ -26,7 +26,7 @@ DEFINE_CLK(pll, "pll.0", MCF_CLK); DEFINE_CLK(sys, "sys.0", MCF_BUSCLK); static struct clk_lookup m525x_clk_lookup[] = { - CLKDEV_INIT(NULL, "pll.0", &pll), + CLKDEV_INIT(NULL, "pll.0", &clk_pll), CLKDEV_INIT(NULL, "sys.0", &clk_sys), CLKDEV_INIT("mcftmr.0", NULL, &clk_sys), CLKDEV_INIT("mcftmr.1", NULL, &clk_sys), diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index cee6087cd686..6dfb27d531dd 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -71,7 +71,6 @@ config MIPS select HAVE_FUNCTION_TRACER select HAVE_GCC_PLUGINS select HAVE_GENERIC_VDSO - select HAVE_IDE select HAVE_IOREMAP_PROT select HAVE_IRQ_EXIT_ON_IRQ_STACK select HAVE_IRQ_TIME_ACCOUNTING diff --git a/arch/mips/net/ebpf_jit.c b/arch/mips/net/ebpf_jit.c index 939dd06764bc..3a73e9375712 100644 --- a/arch/mips/net/ebpf_jit.c +++ b/arch/mips/net/ebpf_jit.c @@ -1355,6 +1355,9 @@ jeq_common: } break; + case BPF_ST | BPF_NOSPEC: /* speculation barrier */ + break; + case BPF_ST | BPF_B | BPF_MEM: case BPF_ST | BPF_H | BPF_MEM: case BPF_ST | BPF_W | BPF_MEM: diff --git a/arch/nds32/mm/mmap.c b/arch/nds32/mm/mmap.c index c206b31ce07a..1bdf5e7d1b43 100644 --- a/arch/nds32/mm/mmap.c +++ b/arch/nds32/mm/mmap.c @@ -59,7 +59,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index bde9907bc5b2..4f8c1fbf8f2f 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -3,7 +3,6 @@ config PARISC def_bool y select ARCH_32BIT_OFF_T if !64BIT select ARCH_MIGHT_HAVE_PC_PARPORT - select HAVE_IDE select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_GRAPH_TRACER select HAVE_SYSCALL_TRACEPOINTS diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index d01e3401581d..663766fbf505 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -220,7 +220,6 @@ config PPC select HAVE_HARDLOCKUP_DETECTOR_ARCH if PPC_BOOK3S_64 && SMP select HAVE_HARDLOCKUP_DETECTOR_PERF if PERF_EVENTS && HAVE_PERF_EVENTS_NMI && !HAVE_HARDLOCKUP_DETECTOR_ARCH select HAVE_HW_BREAKPOINT if PERF_EVENTS && (PPC_BOOK3S || PPC_8xx) - select HAVE_IDE select HAVE_IOREMAP_PROT select HAVE_IRQ_EXIT_ON_IRQ_STACK select HAVE_IRQ_TIME_ACCOUNTING diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile index 2813e3f98db6..3c5baaa6f1e7 100644 --- a/arch/powerpc/kernel/vdso64/Makefile +++ b/arch/powerpc/kernel/vdso64/Makefile @@ -27,6 +27,13 @@ KASAN_SANITIZE := n ccflags-y := -shared -fno-common -fno-builtin -nostdlib \ -Wl,-soname=linux-vdso64.so.1 -Wl,--hash-style=both + +# Go prior to 1.16.x assumes r30 is not clobbered by any VDSO code. That used to be true +# by accident when the VDSO was hand-written asm code, but may not be now that the VDSO is +# compiler generated. To avoid breaking Go tell GCC not to use r30. Impact on code +# generation is minimal, it will just use r29 instead. +ccflags-y += $(call cc-option, -ffixed-r30) + asflags-y := -D__VDSO64__ -s targets += vdso64.lds diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 6d63c8e6d4f0..829ff9bb5250 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -2697,8 +2697,10 @@ static int kvmppc_core_vcpu_create_hv(struct kvm_vcpu *vcpu) HFSCR_DSCR | HFSCR_VECVSX | HFSCR_FP | HFSCR_PREFIX; if (cpu_has_feature(CPU_FTR_HVMODE)) { vcpu->arch.hfscr &= mfspr(SPRN_HFSCR); +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM if (cpu_has_feature(CPU_FTR_P9_TM_HV_ASSIST)) vcpu->arch.hfscr |= HFSCR_TM; +#endif } if (cpu_has_feature(CPU_FTR_TM_COMP)) vcpu->arch.hfscr |= HFSCR_TM; diff --git a/arch/powerpc/kvm/book3s_hv_nested.c b/arch/powerpc/kvm/book3s_hv_nested.c index 8543ad538b0c..898f942eb198 100644 --- a/arch/powerpc/kvm/book3s_hv_nested.c +++ b/arch/powerpc/kvm/book3s_hv_nested.c @@ -302,6 +302,9 @@ long kvmhv_enter_nested_guest(struct kvm_vcpu *vcpu) if (vcpu->kvm->arch.l1_ptcr == 0) return H_NOT_AVAILABLE; + if (MSR_TM_TRANSACTIONAL(vcpu->arch.shregs.msr)) + return H_BAD_MODE; + /* copy parameters in */ hv_ptr = kvmppc_get_gpr(vcpu, 4); regs_ptr = kvmppc_get_gpr(vcpu, 5); @@ -322,6 +325,23 @@ long kvmhv_enter_nested_guest(struct kvm_vcpu *vcpu) if (l2_hv.vcpu_token >= NR_CPUS) return H_PARAMETER; + /* + * L1 must have set up a suspended state to enter the L2 in a + * transactional state, and only in that case. These have to be + * filtered out here to prevent causing a TM Bad Thing in the + * host HRFID. We could synthesize a TM Bad Thing back to the L1 + * here but there doesn't seem like much point. + */ + if (MSR_TM_SUSPENDED(vcpu->arch.shregs.msr)) { + if (!MSR_TM_ACTIVE(l2_regs.msr)) + return H_BAD_MODE; + } else { + if (l2_regs.msr & MSR_TS_MASK) + return H_BAD_MODE; + if (WARN_ON_ONCE(vcpu->arch.shregs.msr & MSR_TS_MASK)) + return H_BAD_MODE; + } + /* translate lpid */ l2 = kvmhv_get_nested(vcpu->kvm, l2_hv.lpid, true); if (!l2) diff --git a/arch/powerpc/kvm/book3s_hv_p9_entry.c b/arch/powerpc/kvm/book3s_hv_p9_entry.c index 83f592eadcd2..961b3d70483c 100644 --- a/arch/powerpc/kvm/book3s_hv_p9_entry.c +++ b/arch/powerpc/kvm/book3s_hv_p9_entry.c @@ -317,6 +317,9 @@ int kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu, u64 time_limit, unsigned long lpc */ mtspr(SPRN_HDEC, hdec); +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM +tm_return_to_guest: +#endif mtspr(SPRN_DAR, vcpu->arch.shregs.dar); mtspr(SPRN_DSISR, vcpu->arch.shregs.dsisr); mtspr(SPRN_SRR0, vcpu->arch.shregs.srr0); @@ -415,11 +418,23 @@ int kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu, u64 time_limit, unsigned long lpc * is in real suspend mode and is trying to transition to * transactional mode. */ - if (local_paca->kvm_hstate.fake_suspend && + if (!local_paca->kvm_hstate.fake_suspend && (vcpu->arch.shregs.msr & MSR_TS_S)) { if (kvmhv_p9_tm_emulation_early(vcpu)) { - /* Prevent it being handled again. */ - trap = 0; + /* + * Go straight back into the guest with the + * new NIP/MSR as set by TM emulation. + */ + mtspr(SPRN_HSRR0, vcpu->arch.regs.nip); + mtspr(SPRN_HSRR1, vcpu->arch.shregs.msr); + + /* + * tm_return_to_guest re-loads SRR0/1, DAR, + * DSISR after RI is cleared, in case they had + * been clobbered by a MCE. + */ + __mtmsrd(0, 1); /* clear RI */ + goto tm_return_to_guest; } } #endif @@ -499,6 +514,10 @@ int kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu, u64 time_limit, unsigned long lpc * If we are in real mode, only switch MMU on after the MMU is * switched to host, to avoid the P9_RADIX_PREFETCH_BUG. */ + if (IS_ENABLED(CONFIG_PPC_TRANSACTIONAL_MEM) && + vcpu->arch.shregs.msr & MSR_TS_MASK) + msr |= MSR_TS_S; + __mtmsrd(msr, 0); end_timing(vcpu); diff --git a/arch/powerpc/kvm/book3s_rtas.c b/arch/powerpc/kvm/book3s_rtas.c index c5e677508d3b..0f847f1e5ddd 100644 --- a/arch/powerpc/kvm/book3s_rtas.c +++ b/arch/powerpc/kvm/book3s_rtas.c @@ -242,6 +242,17 @@ int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu) * value so we can restore it on the way out. */ orig_rets = args.rets; + if (be32_to_cpu(args.nargs) >= ARRAY_SIZE(args.args)) { + /* + * Don't overflow our args array: ensure there is room for + * at least rets[0] (even if the call specifies 0 nret). + * + * Each handler must then check for the correct nargs and nret + * values, but they may always return failure in rets[0]. + */ + rc = -EINVAL; + goto fail; + } args.rets = &args.args[be32_to_cpu(args.nargs)]; mutex_lock(&vcpu->kvm->arch.rtas_token_lock); @@ -269,9 +280,17 @@ int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu) fail: /* * We only get here if the guest has called RTAS with a bogus - * args pointer. That means we can't get to the args, and so we - * can't fail the RTAS call. So fail right out to userspace, - * which should kill the guest. + * args pointer or nargs/nret values that would overflow the + * array. That means we can't get to the args, and so we can't + * fail the RTAS call. So fail right out to userspace, which + * should kill the guest. + * + * SLOF should actually pass the hcall return value from the + * rtas handler call in r3, so enter_rtas could be modified to + * return a failure indication in r3 and we could return such + * errors to the guest rather than failing to host userspace. + * However old guests that don't test for failure could then + * continue silently after errors, so for now we won't do this. */ return rc; } diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index be33b5321a76..b4e6f70b97b9 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -2048,9 +2048,9 @@ long kvm_arch_vcpu_ioctl(struct file *filp, { struct kvm_enable_cap cap; r = -EFAULT; - vcpu_load(vcpu); if (copy_from_user(&cap, argp, sizeof(cap))) goto out; + vcpu_load(vcpu); r = kvm_vcpu_ioctl_enable_cap(vcpu, &cap); vcpu_put(vcpu); break; @@ -2074,9 +2074,9 @@ long kvm_arch_vcpu_ioctl(struct file *filp, case KVM_DIRTY_TLB: { struct kvm_dirty_tlb dirty; r = -EFAULT; - vcpu_load(vcpu); if (copy_from_user(&dirty, argp, sizeof(dirty))) goto out; + vcpu_load(vcpu); r = kvm_vcpu_ioctl_dirty_tlb(vcpu, &dirty); vcpu_put(vcpu); break; diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c index 60780e089118..0df9fe29dd56 100644 --- a/arch/powerpc/mm/nohash/8xx.c +++ b/arch/powerpc/mm/nohash/8xx.c @@ -240,3 +240,13 @@ void __init setup_kuap(bool disabled) mtspr(SPRN_MD_AP, MD_APG_KUAP); } #endif + +int pud_clear_huge(pud_t *pud) +{ + return 0; +} + +int pmd_clear_huge(pmd_t *pmd) +{ + return 0; +} diff --git a/arch/powerpc/net/bpf_jit_comp32.c b/arch/powerpc/net/bpf_jit_comp32.c index 34bb1583fc0c..beb12cbc8c29 100644 --- a/arch/powerpc/net/bpf_jit_comp32.c +++ b/arch/powerpc/net/bpf_jit_comp32.c @@ -738,6 +738,12 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context * break; /* + * BPF_ST NOSPEC (speculation barrier) + */ + case BPF_ST | BPF_NOSPEC: + break; + + /* * BPF_ST(X) */ case BPF_STX | BPF_MEM | BPF_B: /* *(u8 *)(dst + off) = src */ diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c index de8595880fee..b87a63dba9c8 100644 --- a/arch/powerpc/net/bpf_jit_comp64.c +++ b/arch/powerpc/net/bpf_jit_comp64.c @@ -628,6 +628,12 @@ emit_clear: break; /* + * BPF_ST NOSPEC (speculation barrier) + */ + case BPF_ST | BPF_NOSPEC: + break; + + /* * BPF_ST(X) */ case BPF_STX | BPF_MEM | BPF_B: /* *(u8 *)(dst + off) = src */ diff --git a/arch/powerpc/platforms/pasemi/idle.c b/arch/powerpc/platforms/pasemi/idle.c index 9b88e3cded7d..534b0317fc15 100644 --- a/arch/powerpc/platforms/pasemi/idle.c +++ b/arch/powerpc/platforms/pasemi/idle.c @@ -42,6 +42,7 @@ static int pasemi_system_reset_exception(struct pt_regs *regs) switch (regs->msr & SRR1_WAKEMASK) { case SRR1_WAKEDEC: set_dec(1); + break; case SRR1_WAKEEE: /* * Handle these when interrupts get re-enabled and we take diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 631a0d57b6cd..6b0886668465 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -77,7 +77,7 @@ #include "../../../../drivers/pci/pci.h" DEFINE_STATIC_KEY_FALSE(shared_processor); -EXPORT_SYMBOL_GPL(shared_processor); +EXPORT_SYMBOL(shared_processor); int CMO_PrPSP = -1; int CMO_SecPSP = -1; diff --git a/arch/riscv/include/asm/efi.h b/arch/riscv/include/asm/efi.h index 6d98cd999680..7b3483ba2e84 100644 --- a/arch/riscv/include/asm/efi.h +++ b/arch/riscv/include/asm/efi.h @@ -27,10 +27,10 @@ int efi_set_mapping_permissions(struct mm_struct *mm, efi_memory_desc_t *md); #define ARCH_EFI_IRQ_FLAGS_MASK (SR_IE | SR_SPIE) -/* Load initrd at enough distance from DRAM start */ +/* Load initrd anywhere in system RAM */ static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr) { - return image_addr + SZ_256M; + return ULONG_MAX; } #define alloc_screen_info(x...) (&screen_info) diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c index ff467b98c3e3..ac7593607fa6 100644 --- a/arch/riscv/kernel/stacktrace.c +++ b/arch/riscv/kernel/stacktrace.c @@ -132,8 +132,12 @@ unsigned long get_wchan(struct task_struct *task) { unsigned long pc = 0; - if (likely(task && task != current && !task_is_running(task))) + if (likely(task && task != current && !task_is_running(task))) { + if (!try_get_task_stack(task)) + return 0; walk_stackframe(task, NULL, save_wchan, &pc); + put_task_stack(task); + } return pc; } diff --git a/arch/riscv/lib/uaccess.S b/arch/riscv/lib/uaccess.S index bceb0629e440..63bc691cff91 100644 --- a/arch/riscv/lib/uaccess.S +++ b/arch/riscv/lib/uaccess.S @@ -30,23 +30,23 @@ ENTRY(__asm_copy_from_user) * t0 - end of uncopied dst */ add t0, a0, a2 - bgtu a0, t0, 5f /* * Use byte copy only if too small. + * SZREG holds 4 for RV32 and 8 for RV64 */ - li a3, 8*SZREG /* size must be larger than size in word_copy */ + li a3, 9*SZREG /* size must be larger than size in word_copy */ bltu a2, a3, .Lbyte_copy_tail /* - * Copy first bytes until dst is align to word boundary. + * Copy first bytes until dst is aligned to word boundary. * a0 - start of dst * t1 - start of aligned dst */ addi t1, a0, SZREG-1 andi t1, t1, ~(SZREG-1) /* dst is already aligned, skip */ - beq a0, t1, .Lskip_first_bytes + beq a0, t1, .Lskip_align_dst 1: /* a5 - one byte for copying data */ fixup lb a5, 0(a1), 10f @@ -55,7 +55,7 @@ ENTRY(__asm_copy_from_user) addi a0, a0, 1 /* dst */ bltu a0, t1, 1b /* t1 - start of aligned dst */ -.Lskip_first_bytes: +.Lskip_align_dst: /* * Now dst is aligned. * Use shift-copy if src is misaligned. @@ -72,10 +72,9 @@ ENTRY(__asm_copy_from_user) * * a0 - start of aligned dst * a1 - start of aligned src - * a3 - a1 & mask:(SZREG-1) * t0 - end of aligned dst */ - addi t0, t0, -(8*SZREG-1) /* not to over run */ + addi t0, t0, -(8*SZREG) /* not to over run */ 2: fixup REG_L a4, 0(a1), 10f fixup REG_L a5, SZREG(a1), 10f @@ -97,7 +96,7 @@ ENTRY(__asm_copy_from_user) addi a1, a1, 8*SZREG bltu a0, t0, 2b - addi t0, t0, 8*SZREG-1 /* revert to original value */ + addi t0, t0, 8*SZREG /* revert to original value */ j .Lbyte_copy_tail .Lshift_copy: @@ -107,7 +106,7 @@ ENTRY(__asm_copy_from_user) * For misaligned copy we still perform aligned word copy, but * we need to use the value fetched from the previous iteration and * do some shifts. - * This is safe because reading less than a word size. + * This is safe because reading is less than a word size. * * a0 - start of aligned dst * a1 - start of src @@ -117,7 +116,7 @@ ENTRY(__asm_copy_from_user) */ /* calculating aligned word boundary for dst */ andi t1, t0, ~(SZREG-1) - /* Converting unaligned src to aligned arc */ + /* Converting unaligned src to aligned src */ andi a1, a1, ~(SZREG-1) /* @@ -125,11 +124,11 @@ ENTRY(__asm_copy_from_user) * t3 - prev shift * t4 - current shift */ - slli t3, a3, LGREG + slli t3, a3, 3 /* converting bytes in a3 to bits */ li a5, SZREG*8 sub t4, a5, t3 - /* Load the first word to combine with seceond word */ + /* Load the first word to combine with second word */ fixup REG_L a5, 0(a1), 10f 3: @@ -161,7 +160,7 @@ ENTRY(__asm_copy_from_user) * a1 - start of remaining src * t0 - end of remaining dst */ - bgeu a0, t0, 5f + bgeu a0, t0, .Lout_copy_user /* check if end of copy */ 4: fixup lb a5, 0(a1), 10f addi a1, a1, 1 /* src */ @@ -169,7 +168,7 @@ ENTRY(__asm_copy_from_user) addi a0, a0, 1 /* dst */ bltu a0, t0, 4b /* t0 - end of dst */ -5: +.Lout_copy_user: /* Disable access to user memory */ csrc CSR_STATUS, t6 li a0, 0 diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 269fc648ef3d..a14bf3910eec 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -127,10 +127,17 @@ void __init mem_init(void) } /* - * The default maximal physical memory size is -PAGE_OFFSET, - * limit the memory size via mem. + * The default maximal physical memory size is -PAGE_OFFSET for 32-bit kernel, + * whereas for 64-bit kernel, the end of the virtual address space is occupied + * by the modules/BPF/kernel mappings which reduces the available size of the + * linear mapping. + * Limit the memory size via mem. */ +#ifdef CONFIG_64BIT +static phys_addr_t memory_limit = -PAGE_OFFSET - SZ_4G; +#else static phys_addr_t memory_limit = -PAGE_OFFSET; +#endif static int __init early_mem(char *p) { @@ -152,7 +159,7 @@ static void __init setup_bootmem(void) { phys_addr_t vmlinux_end = __pa_symbol(&_end); phys_addr_t vmlinux_start = __pa_symbol(&_start); - phys_addr_t max_mapped_addr = __pa(~(ulong)0); + phys_addr_t __maybe_unused max_mapped_addr; phys_addr_t dram_end; #ifdef CONFIG_XIP_KERNEL @@ -175,14 +182,21 @@ static void __init setup_bootmem(void) memblock_reserve(vmlinux_start, vmlinux_end - vmlinux_start); dram_end = memblock_end_of_DRAM(); + +#ifndef CONFIG_64BIT /* * memblock allocator is not aware of the fact that last 4K bytes of * the addressable memory can not be mapped because of IS_ERR_VALUE * macro. Make sure that last 4k bytes are not usable by memblock - * if end of dram is equal to maximum addressable memory. + * if end of dram is equal to maximum addressable memory. For 64-bit + * kernel, this problem can't happen here as the end of the virtual + * address space is occupied by the kernel mapping then this check must + * be done in create_kernel_page_table. */ + max_mapped_addr = __pa(~(ulong)0); if (max_mapped_addr == (dram_end - 1)) memblock_set_current_limit(max_mapped_addr - 4096); +#endif min_low_pfn = PFN_UP(memblock_start_of_DRAM()); max_low_pfn = max_pfn = PFN_DOWN(dram_end); @@ -570,6 +584,14 @@ asmlinkage void __init setup_vm(uintptr_t dtb_pa) BUG_ON((PAGE_OFFSET % PGDIR_SIZE) != 0); BUG_ON((kernel_map.phys_addr % map_size) != 0); +#ifdef CONFIG_64BIT + /* + * The last 4K bytes of the addressable memory can not be mapped because + * of IS_ERR_VALUE macro. + */ + BUG_ON((kernel_map.virt_addr + kernel_map.size) > ADDRESS_SPACE_END - SZ_4K); +#endif + pt_ops.alloc_pte = alloc_pte_early; pt_ops.get_pte_virt = get_pte_virt_early; #ifndef __PAGETABLE_PMD_FOLDED @@ -709,6 +731,8 @@ static void __init setup_vm_final(void) if (start <= __pa(PAGE_OFFSET) && __pa(PAGE_OFFSET) < end) start = __pa(PAGE_OFFSET); + if (end >= __pa(PAGE_OFFSET) + memory_limit) + end = __pa(PAGE_OFFSET) + memory_limit; map_size = best_map_size(start, end - start); for (pa = start; pa < end; pa += map_size) { diff --git a/arch/riscv/net/bpf_jit_comp32.c b/arch/riscv/net/bpf_jit_comp32.c index 81de865f4c7c..e6497424cbf6 100644 --- a/arch/riscv/net/bpf_jit_comp32.c +++ b/arch/riscv/net/bpf_jit_comp32.c @@ -1251,6 +1251,10 @@ int bpf_jit_emit_insn(const struct bpf_insn *insn, struct rv_jit_context *ctx, return -1; break; + /* speculation barrier */ + case BPF_ST | BPF_NOSPEC: + break; + case BPF_ST | BPF_MEM | BPF_B: case BPF_ST | BPF_MEM | BPF_H: case BPF_ST | BPF_MEM | BPF_W: diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c index 87e3bf5b9086..3af4131c22c7 100644 --- a/arch/riscv/net/bpf_jit_comp64.c +++ b/arch/riscv/net/bpf_jit_comp64.c @@ -939,6 +939,10 @@ out_be: emit_ld(rd, 0, RV_REG_T1, ctx); break; + /* speculation barrier */ + case BPF_ST | BPF_NOSPEC: + break; + /* ST: *(size *)(dst + off) = imm */ case BPF_ST | BPF_MEM | BPF_B: emit_imm(RV_REG_T1, imm, ctx); diff --git a/arch/s390/boot/text_dma.S b/arch/s390/boot/text_dma.S index f7c77cd518f2..5ff5fee02801 100644 --- a/arch/s390/boot/text_dma.S +++ b/arch/s390/boot/text_dma.S @@ -9,16 +9,6 @@ #include <asm/errno.h> #include <asm/sigp.h> -#ifdef CC_USING_EXPOLINE - .pushsection .dma.text.__s390_indirect_jump_r14,"axG" -__dma__s390_indirect_jump_r14: - larl %r1,0f - ex 0,0(%r1) - j . -0: br %r14 - .popsection -#endif - .section .dma.text,"ax" /* * Simplified version of expoline thunk. The normal thunks can not be used here, @@ -27,11 +17,10 @@ __dma__s390_indirect_jump_r14: * affects a few functions that are not performance-relevant. */ .macro BR_EX_DMA_r14 -#ifdef CC_USING_EXPOLINE - jg __dma__s390_indirect_jump_r14 -#else - br %r14 -#endif + larl %r1,0f + ex 0,0(%r1) + j . +0: br %r14 .endm /* diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig index 86afcc6b56bf..7de253f766e8 100644 --- a/arch/s390/configs/debug_defconfig +++ b/arch/s390/configs/debug_defconfig @@ -5,7 +5,12 @@ CONFIG_WATCH_QUEUE=y CONFIG_AUDIT=y CONFIG_NO_HZ_IDLE=y CONFIG_HIGH_RES_TIMERS=y +CONFIG_BPF_SYSCALL=y +CONFIG_BPF_JIT=y +CONFIG_BPF_JIT_ALWAYS_ON=y +CONFIG_BPF_LSM=y CONFIG_PREEMPT=y +CONFIG_SCHED_CORE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_TASKSTATS=y @@ -28,14 +33,13 @@ CONFIG_CGROUP_DEVICE=y CONFIG_CGROUP_CPUACCT=y CONFIG_CGROUP_PERF=y CONFIG_CGROUP_BPF=y +CONFIG_CGROUP_MISC=y CONFIG_NAMESPACES=y CONFIG_USER_NS=y CONFIG_CHECKPOINT_RESTORE=y CONFIG_SCHED_AUTOGROUP=y CONFIG_EXPERT=y # CONFIG_SYSFS_SYSCALL is not set -CONFIG_BPF_LSM=y -CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y # CONFIG_COMPAT_BRK is not set CONFIG_PROFILING=y @@ -76,6 +80,7 @@ CONFIG_BLK_DEV_THROTTLING=y CONFIG_BLK_WBT=y CONFIG_BLK_CGROUP_IOLATENCY=y CONFIG_BLK_CGROUP_IOCOST=y +CONFIG_BLK_CGROUP_IOPRIO=y CONFIG_BLK_INLINE_ENCRYPTION=y CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y CONFIG_PARTITION_ADVANCED=y @@ -95,6 +100,7 @@ CONFIG_CLEANCACHE=y CONFIG_FRONTSWAP=y CONFIG_CMA_DEBUG=y CONFIG_CMA_DEBUGFS=y +CONFIG_CMA_SYSFS=y CONFIG_CMA_AREAS=7 CONFIG_MEM_SOFT_DIRTY=y CONFIG_ZSWAP=y @@ -158,6 +164,7 @@ CONFIG_IPV6_RPL_LWTUNNEL=y CONFIG_MPTCP=y CONFIG_NETFILTER=y CONFIG_BRIDGE_NETFILTER=m +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_SECMARK=y CONFIG_NF_CONNTRACK_EVENTS=y @@ -280,6 +287,7 @@ CONFIG_IP_VS_FTP=m CONFIG_IP_VS_PE_SIP=m CONFIG_NFT_FIB_IPV4=m CONFIG_NF_TABLES_ARP=y +CONFIG_NF_LOG_IPV4=m CONFIG_IP_NF_IPTABLES=m CONFIG_IP_NF_MATCH_AH=m CONFIG_IP_NF_MATCH_ECN=m @@ -384,12 +392,11 @@ CONFIG_VSOCKETS=m CONFIG_VIRTIO_VSOCKETS=m CONFIG_NETLINK_DIAG=m CONFIG_CGROUP_NET_PRIO=y -CONFIG_BPF_JIT=y CONFIG_NET_PKTGEN=m CONFIG_PCI=y -CONFIG_PCI_IOV=y # CONFIG_PCIEASPM is not set CONFIG_PCI_DEBUG=y +CONFIG_PCI_IOV=y CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_S390=y CONFIG_DEVTMPFS=y @@ -436,7 +443,7 @@ CONFIG_MD_MULTIPATH=m CONFIG_MD_FAULTY=m CONFIG_MD_CLUSTER=m CONFIG_BCACHE=m -CONFIG_BLK_DEV_DM=m +CONFIG_BLK_DEV_DM=y CONFIG_DM_UNSTRIPED=m CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m @@ -453,6 +460,7 @@ CONFIG_DM_MULTIPATH_ST=m CONFIG_DM_MULTIPATH_HST=m CONFIG_DM_MULTIPATH_IOA=m CONFIG_DM_DELAY=m +CONFIG_DM_INIT=y CONFIG_DM_UEVENT=y CONFIG_DM_FLAKEY=m CONFIG_DM_VERITY=m @@ -495,6 +503,7 @@ CONFIG_NLMON=m # CONFIG_NET_VENDOR_GOOGLE is not set # CONFIG_NET_VENDOR_HUAWEI is not set # CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MICROSOFT is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_MLX4_EN=m CONFIG_MLX5_CORE=m @@ -551,7 +560,6 @@ CONFIG_INPUT_EVDEV=y CONFIG_LEGACY_PTY_COUNT=0 CONFIG_VIRTIO_CONSOLE=m CONFIG_HW_RANDOM_VIRTIO=m -CONFIG_RAW_DRIVER=m CONFIG_HANGCHECK_TIMER=m CONFIG_TN3270_FS=y CONFIG_PPS=m @@ -574,7 +582,6 @@ CONFIG_SYNC_FILE=y CONFIG_VFIO=m CONFIG_VFIO_PCI=m CONFIG_VFIO_MDEV=m -CONFIG_VFIO_MDEV_DEVICE=m CONFIG_VIRTIO_PCI=m CONFIG_VIRTIO_BALLOON=m CONFIG_VIRTIO_INPUT=y @@ -619,6 +626,7 @@ CONFIG_FUSE_FS=y CONFIG_CUSE=m CONFIG_VIRTIO_FS=m CONFIG_OVERLAY_FS=m +CONFIG_NETFS_STATS=y CONFIG_FSCACHE=m CONFIG_CACHEFILES=m CONFIG_ISO9660_FS=y @@ -654,7 +662,6 @@ CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y CONFIG_NFSD_V4_SECURITY_LABEL=y CONFIG_CIFS=m -CONFIG_CIFS_STATS2=y CONFIG_CIFS_WEAK_PW_HASH=y CONFIG_CIFS_UPCALL=y CONFIG_CIFS_XATTR=y @@ -682,6 +689,7 @@ CONFIG_SECURITY_SELINUX_BOOTPARAM=y CONFIG_SECURITY_SELINUX_DISABLE=y CONFIG_SECURITY_LOCKDOWN_LSM=y CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y +CONFIG_SECURITY_LANDLOCK=y CONFIG_INTEGRITY_SIGNATURE=y CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y CONFIG_IMA=y @@ -696,6 +704,7 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_DH=m CONFIG_CRYPTO_ECDH=m +CONFIG_CRYPTO_ECDSA=m CONFIG_CRYPTO_ECRDSA=m CONFIG_CRYPTO_SM2=m CONFIG_CRYPTO_CURVE25519=m @@ -843,7 +852,6 @@ CONFIG_FAULT_INJECTION_DEBUG_FS=y CONFIG_FAIL_FUNCTION=y CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y CONFIG_LKDTM=m -CONFIG_TEST_LIST_SORT=y CONFIG_TEST_MIN_HEAP=y CONFIG_TEST_SORT=y CONFIG_KPROBES_SANITY_TEST=y @@ -853,3 +861,4 @@ CONFIG_PERCPU_TEST=m CONFIG_ATOMIC64_SELFTEST=y CONFIG_TEST_BITOPS=m CONFIG_TEST_BPF=m +CONFIG_TEST_LIVEPATCH=m diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig index 71b49ea5b058..b671642967ba 100644 --- a/arch/s390/configs/defconfig +++ b/arch/s390/configs/defconfig @@ -4,6 +4,11 @@ CONFIG_WATCH_QUEUE=y CONFIG_AUDIT=y CONFIG_NO_HZ_IDLE=y CONFIG_HIGH_RES_TIMERS=y +CONFIG_BPF_SYSCALL=y +CONFIG_BPF_JIT=y +CONFIG_BPF_JIT_ALWAYS_ON=y +CONFIG_BPF_LSM=y +CONFIG_SCHED_CORE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_TASKSTATS=y @@ -26,14 +31,13 @@ CONFIG_CGROUP_DEVICE=y CONFIG_CGROUP_CPUACCT=y CONFIG_CGROUP_PERF=y CONFIG_CGROUP_BPF=y +CONFIG_CGROUP_MISC=y CONFIG_NAMESPACES=y CONFIG_USER_NS=y CONFIG_CHECKPOINT_RESTORE=y CONFIG_SCHED_AUTOGROUP=y CONFIG_EXPERT=y # CONFIG_SYSFS_SYSCALL is not set -CONFIG_BPF_LSM=y -CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y # CONFIG_COMPAT_BRK is not set CONFIG_PROFILING=y @@ -70,6 +74,7 @@ CONFIG_BLK_DEV_THROTTLING=y CONFIG_BLK_WBT=y CONFIG_BLK_CGROUP_IOLATENCY=y CONFIG_BLK_CGROUP_IOCOST=y +CONFIG_BLK_CGROUP_IOPRIO=y CONFIG_BLK_INLINE_ENCRYPTION=y CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y CONFIG_PARTITION_ADVANCED=y @@ -87,6 +92,7 @@ CONFIG_KSM=y CONFIG_TRANSPARENT_HUGEPAGE=y CONFIG_CLEANCACHE=y CONFIG_FRONTSWAP=y +CONFIG_CMA_SYSFS=y CONFIG_CMA_AREAS=7 CONFIG_MEM_SOFT_DIRTY=y CONFIG_ZSWAP=y @@ -149,6 +155,7 @@ CONFIG_IPV6_RPL_LWTUNNEL=y CONFIG_MPTCP=y CONFIG_NETFILTER=y CONFIG_BRIDGE_NETFILTER=m +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_SECMARK=y CONFIG_NF_CONNTRACK_EVENTS=y @@ -271,6 +278,7 @@ CONFIG_IP_VS_FTP=m CONFIG_IP_VS_PE_SIP=m CONFIG_NFT_FIB_IPV4=m CONFIG_NF_TABLES_ARP=y +CONFIG_NF_LOG_IPV4=m CONFIG_IP_NF_IPTABLES=m CONFIG_IP_NF_MATCH_AH=m CONFIG_IP_NF_MATCH_ECN=m @@ -374,11 +382,10 @@ CONFIG_VSOCKETS=m CONFIG_VIRTIO_VSOCKETS=m CONFIG_NETLINK_DIAG=m CONFIG_CGROUP_NET_PRIO=y -CONFIG_BPF_JIT=y CONFIG_NET_PKTGEN=m CONFIG_PCI=y -CONFIG_PCI_IOV=y # CONFIG_PCIEASPM is not set +CONFIG_PCI_IOV=y CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_S390=y CONFIG_UEVENT_HELPER=y @@ -427,7 +434,7 @@ CONFIG_MD_MULTIPATH=m CONFIG_MD_FAULTY=m CONFIG_MD_CLUSTER=m CONFIG_BCACHE=m -CONFIG_BLK_DEV_DM=m +CONFIG_BLK_DEV_DM=y CONFIG_DM_UNSTRIPED=m CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m @@ -444,6 +451,7 @@ CONFIG_DM_MULTIPATH_ST=m CONFIG_DM_MULTIPATH_HST=m CONFIG_DM_MULTIPATH_IOA=m CONFIG_DM_DELAY=m +CONFIG_DM_INIT=y CONFIG_DM_UEVENT=y CONFIG_DM_FLAKEY=m CONFIG_DM_VERITY=m @@ -487,6 +495,7 @@ CONFIG_NLMON=m # CONFIG_NET_VENDOR_GOOGLE is not set # CONFIG_NET_VENDOR_HUAWEI is not set # CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MICROSOFT is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_MLX4_EN=m CONFIG_MLX5_CORE=m @@ -543,7 +552,6 @@ CONFIG_INPUT_EVDEV=y CONFIG_LEGACY_PTY_COUNT=0 CONFIG_VIRTIO_CONSOLE=m CONFIG_HW_RANDOM_VIRTIO=m -CONFIG_RAW_DRIVER=m CONFIG_HANGCHECK_TIMER=m CONFIG_TN3270_FS=y # CONFIG_PTP_1588_CLOCK is not set @@ -566,7 +574,6 @@ CONFIG_SYNC_FILE=y CONFIG_VFIO=m CONFIG_VFIO_PCI=m CONFIG_VFIO_MDEV=m -CONFIG_VFIO_MDEV_DEVICE=m CONFIG_VIRTIO_PCI=m CONFIG_VIRTIO_BALLOON=m CONFIG_VIRTIO_INPUT=y @@ -607,6 +614,7 @@ CONFIG_FUSE_FS=y CONFIG_CUSE=m CONFIG_VIRTIO_FS=m CONFIG_OVERLAY_FS=m +CONFIG_NETFS_STATS=y CONFIG_FSCACHE=m CONFIG_CACHEFILES=m CONFIG_ISO9660_FS=y @@ -642,7 +650,6 @@ CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y CONFIG_NFSD_V4_SECURITY_LABEL=y CONFIG_CIFS=m -CONFIG_CIFS_STATS2=y CONFIG_CIFS_WEAK_PW_HASH=y CONFIG_CIFS_UPCALL=y CONFIG_CIFS_XATTR=y @@ -669,6 +676,7 @@ CONFIG_SECURITY_SELINUX_BOOTPARAM=y CONFIG_SECURITY_SELINUX_DISABLE=y CONFIG_SECURITY_LOCKDOWN_LSM=y CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y +CONFIG_SECURITY_LANDLOCK=y CONFIG_INTEGRITY_SIGNATURE=y CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y CONFIG_IMA=y @@ -684,6 +692,7 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_DH=m CONFIG_CRYPTO_ECDH=m +CONFIG_CRYPTO_ECDSA=m CONFIG_CRYPTO_ECRDSA=m CONFIG_CRYPTO_SM2=m CONFIG_CRYPTO_CURVE25519=m @@ -754,6 +763,7 @@ CONFIG_CRC8=m CONFIG_DMA_CMA=y CONFIG_CMA_SIZE_MBYTES=0 CONFIG_PRINTK_TIME=y +CONFIG_DYNAMIC_DEBUG=y CONFIG_DEBUG_INFO=y CONFIG_DEBUG_INFO_DWARF4=y CONFIG_GDB_SCRIPTS=y @@ -781,3 +791,4 @@ CONFIG_LKDTM=m CONFIG_PERCPU_TEST=m CONFIG_ATOMIC64_SELFTEST=y CONFIG_TEST_BPF=m +CONFIG_TEST_LIVEPATCH=m diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig index 76123a4b26ab..d576aaab27c9 100644 --- a/arch/s390/configs/zfcpdump_defconfig +++ b/arch/s390/configs/zfcpdump_defconfig @@ -29,9 +29,9 @@ CONFIG_PARTITION_ADVANCED=y # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set # CONFIG_COMPACTION is not set # CONFIG_MIGRATION is not set -# CONFIG_BOUNCE is not set CONFIG_NET=y # CONFIG_IUCV is not set +# CONFIG_PCPU_DEV_REFCNT is not set # CONFIG_ETHTOOL_NETLINK is not set CONFIG_DEVTMPFS=y CONFIG_BLK_DEV_RAM=y @@ -51,7 +51,6 @@ CONFIG_ZFCP=y # CONFIG_SERIO is not set # CONFIG_HVC_IUCV is not set # CONFIG_HW_RANDOM_S390 is not set -CONFIG_RAW_DRIVER=y # CONFIG_HMC_DRV is not set # CONFIG_S390_TAPE is not set # CONFIG_VMCP is not set diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h index 695c61989f97..345cbe982a8b 100644 --- a/arch/s390/include/asm/ftrace.h +++ b/arch/s390/include/asm/ftrace.h @@ -19,6 +19,7 @@ void ftrace_caller(void); extern char ftrace_graph_caller_end; extern unsigned long ftrace_plt; +extern void *ftrace_func; struct dyn_arch_ftrace { }; diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c index c6ddeb5029b4..2d8f595d9196 100644 --- a/arch/s390/kernel/ftrace.c +++ b/arch/s390/kernel/ftrace.c @@ -40,6 +40,7 @@ * trampoline (ftrace_plt), which clobbers also r1. */ +void *ftrace_func __read_mostly = ftrace_stub; unsigned long ftrace_plt; int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr, @@ -85,6 +86,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) int ftrace_update_ftrace_func(ftrace_func_t func) { + ftrace_func = func; return 0; } diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S index faf64c2f90f5..6b13797143a7 100644 --- a/arch/s390/kernel/mcount.S +++ b/arch/s390/kernel/mcount.S @@ -59,13 +59,13 @@ ENTRY(ftrace_caller) #ifdef CONFIG_HAVE_MARCH_Z196_FEATURES aghik %r2,%r0,-MCOUNT_INSN_SIZE lgrl %r4,function_trace_op - lgrl %r1,ftrace_trace_function + lgrl %r1,ftrace_func #else lgr %r2,%r0 aghi %r2,-MCOUNT_INSN_SIZE larl %r4,function_trace_op lg %r4,0(%r4) - larl %r1,ftrace_trace_function + larl %r1,ftrace_func lg %r1,0(%r1) #endif lgr %r3,%r14 diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index 975a00c8c564..d7dc36ec0a60 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -745,7 +745,7 @@ static int __init cpumf_pmu_init(void) if (!cf_dbg) { pr_err("Registration of s390dbf(cpum_cf) failed\n"); return -ENOMEM; - }; + } debug_register_view(cf_dbg, &debug_sprintf_view); cpumf_pmu.attr_groups = cpumf_cf_event_group(); diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile index b2349a3f4fa3..3457dcf10396 100644 --- a/arch/s390/kernel/vdso32/Makefile +++ b/arch/s390/kernel/vdso32/Makefile @@ -29,6 +29,7 @@ $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_32) $(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_32) obj-y += vdso32_wrapper.o +targets += vdso32.lds CPPFLAGS_vdso32.lds += -P -C -U$(ARCH) # Disable gcov profiling, ubsan and kasan for VDSO code diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index 63cae0476bb4..88419263a89a 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -112,7 +112,7 @@ static inline void reg_set_seen(struct bpf_jit *jit, u32 b1) { u32 r1 = reg2hex[b1]; - if (!jit->seen_reg[r1] && r1 >= 6 && r1 <= 15) + if (r1 >= 6 && r1 <= 15 && !jit->seen_reg[r1]) jit->seen_reg[r1] = 1; } @@ -1154,6 +1154,11 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, } break; /* + * BPF_NOSPEC (speculation barrier) + */ + case BPF_ST | BPF_NOSPEC: + break; + /* * BPF_ST(X) */ case BPF_STX | BPF_MEM | BPF_B: /* *(u8 *)(dst + off) = src_reg */ diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 45a0549421cd..b683b69a4556 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -39,7 +39,6 @@ config SUPERH select HAVE_FUTEX_CMPXCHG if FUTEX select HAVE_FTRACE_MCOUNT_RECORD select HAVE_HW_BREAKPOINT - select HAVE_IDE if HAS_IOPORT_MAP select HAVE_IOREMAP_PROT if MMU && !X2TLB select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_GZIP diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index c5fa7932b550..f0c0f955e169 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -19,7 +19,6 @@ config SPARC select OF select OF_PROMTREE select HAVE_ASM_MODVERSIONS - select HAVE_IDE select HAVE_ARCH_KGDB if !SMP || SPARC64 select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_SECCOMP if SPARC64 diff --git a/arch/sparc/net/bpf_jit_comp_64.c b/arch/sparc/net/bpf_jit_comp_64.c index 4b8d3c65d266..9a2f20cbd48b 100644 --- a/arch/sparc/net/bpf_jit_comp_64.c +++ b/arch/sparc/net/bpf_jit_comp_64.c @@ -1287,6 +1287,9 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx) return 1; break; } + /* speculation barrier */ + case BPF_ST | BPF_NOSPEC: + break; /* ST: *(size *)(dst + off) = imm */ case BPF_ST | BPF_MEM | BPF_W: case BPF_ST | BPF_MEM | BPF_H: diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 49270655e827..88fb922c23a0 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -202,7 +202,6 @@ config X86 select HAVE_FUNCTION_TRACER select HAVE_GCC_PLUGINS select HAVE_HW_BREAKPOINT - select HAVE_IDE select HAVE_IOREMAP_PROT select HAVE_IRQ_EXIT_ON_IRQ_STACK if X86_64 select HAVE_IRQ_TIME_ACCOUNTING diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index cc8f1773deca..c890d67a64ad 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -237,7 +237,7 @@ static void __init hv_smp_prepare_cpus(unsigned int max_cpus) for_each_present_cpu(i) { if (i == 0) continue; - ret = hv_call_add_logical_proc(numa_cpu_node(i), i, i); + ret = hv_call_add_logical_proc(numa_cpu_node(i), i, cpu_physical_id(i)); BUG_ON(ret); } diff --git a/arch/x86/kernel/jump_label.c b/arch/x86/kernel/jump_label.c index 674906fad43b..68f091ba8443 100644 --- a/arch/x86/kernel/jump_label.c +++ b/arch/x86/kernel/jump_label.c @@ -79,9 +79,10 @@ __jump_label_patch(struct jump_entry *entry, enum jump_label_type type) return (struct jump_label_patch){.code = code, .size = size}; } -static inline void __jump_label_transform(struct jump_entry *entry, - enum jump_label_type type, - int init) +static __always_inline void +__jump_label_transform(struct jump_entry *entry, + enum jump_label_type type, + int init) { const struct jump_label_patch jlp = __jump_label_patch(entry, type); diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 3364fe62b903..3481b35cb4ec 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -682,7 +682,6 @@ int p4d_clear_huge(p4d_t *p4d) } #endif -#if CONFIG_PGTABLE_LEVELS > 3 /** * pud_set_huge - setup kernel PUD mapping * @@ -722,23 +721,6 @@ int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot) } /** - * pud_clear_huge - clear kernel PUD mapping when it is set - * - * Returns 1 on success and 0 on failure (no PUD map is found). - */ -int pud_clear_huge(pud_t *pud) -{ - if (pud_large(*pud)) { - pud_clear(pud); - return 1; - } - - return 0; -} -#endif - -#if CONFIG_PGTABLE_LEVELS > 2 -/** * pmd_set_huge - setup kernel PMD mapping * * See text over pud_set_huge() above. @@ -769,6 +751,21 @@ int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t prot) } /** + * pud_clear_huge - clear kernel PUD mapping when it is set + * + * Returns 1 on success and 0 on failure (no PUD map is found). + */ +int pud_clear_huge(pud_t *pud) +{ + if (pud_large(*pud)) { + pud_clear(pud); + return 1; + } + + return 0; +} + +/** * pmd_clear_huge - clear kernel PMD mapping when it is set * * Returns 1 on success and 0 on failure (no PMD map is found). @@ -782,7 +779,6 @@ int pmd_clear_huge(pmd_t *pmd) return 0; } -#endif #ifdef CONFIG_X86_64 /** diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index 4b951458c9fc..16d76f814e9b 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -1219,6 +1219,13 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image, } break; + /* speculation barrier */ + case BPF_ST | BPF_NOSPEC: + if (boot_cpu_has(X86_FEATURE_XMM2)) + /* Emit 'lfence' */ + EMIT3(0x0F, 0xAE, 0xE8); + break; + /* ST: *(u8*)(dst_reg + off) = imm */ case BPF_ST | BPF_MEM | BPF_B: if (is_ereg(dst_reg)) diff --git a/arch/x86/net/bpf_jit_comp32.c b/arch/x86/net/bpf_jit_comp32.c index 3da88ded6ee3..3bfda5f502cb 100644 --- a/arch/x86/net/bpf_jit_comp32.c +++ b/arch/x86/net/bpf_jit_comp32.c @@ -1886,6 +1886,12 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image, i++; break; } + /* speculation barrier */ + case BPF_ST | BPF_NOSPEC: + if (boot_cpu_has(X86_FEATURE_XMM2)) + /* Emit 'lfence' */ + EMIT3(0x0F, 0xAE, 0xE8); + break; /* ST: *(u8*)(dst_reg + off) = imm */ case BPF_ST | BPF_MEM | BPF_H: case BPF_ST | BPF_MEM | BPF_B: diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 2332b2156993..3878880469d1 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -327,7 +327,6 @@ config XTENSA_PLATFORM_ISS config XTENSA_PLATFORM_XT2000 bool "XT2000" - select HAVE_IDE help XT2000 is the name of Tensilica's feature-rich emulation platform. This hardware is capable of running a full Linux distribution. diff --git a/block/blk-iocost.c b/block/blk-iocost.c index c2d6bc88d3f1..5fac3757e6e0 100644 --- a/block/blk-iocost.c +++ b/block/blk-iocost.c @@ -1440,16 +1440,17 @@ static int iocg_wake_fn(struct wait_queue_entry *wq_entry, unsigned mode, return -1; iocg_commit_bio(ctx->iocg, wait->bio, wait->abs_cost, cost); + wait->committed = true; /* * autoremove_wake_function() removes the wait entry only when it - * actually changed the task state. We want the wait always - * removed. Remove explicitly and use default_wake_function(). + * actually changed the task state. We want the wait always removed. + * Remove explicitly and use default_wake_function(). Note that the + * order of operations is important as finish_wait() tests whether + * @wq_entry is removed without grabbing the lock. */ - list_del_init(&wq_entry->entry); - wait->committed = true; - default_wake_function(wq_entry, mode, flags, key); + list_del_init_careful(&wq_entry->entry); return 0; } diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index c838d81ac058..0f006cabfd91 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -515,17 +515,6 @@ void blk_mq_sched_insert_requests(struct blk_mq_hw_ctx *hctx, percpu_ref_put(&q->q_usage_counter); } -static void blk_mq_sched_free_tags(struct blk_mq_tag_set *set, - struct blk_mq_hw_ctx *hctx, - unsigned int hctx_idx) -{ - if (hctx->sched_tags) { - blk_mq_free_rqs(set, hctx->sched_tags, hctx_idx); - blk_mq_free_rq_map(hctx->sched_tags, set->flags); - hctx->sched_tags = NULL; - } -} - static int blk_mq_sched_alloc_tags(struct request_queue *q, struct blk_mq_hw_ctx *hctx, unsigned int hctx_idx) @@ -539,8 +528,10 @@ static int blk_mq_sched_alloc_tags(struct request_queue *q, return -ENOMEM; ret = blk_mq_alloc_rqs(set, hctx->sched_tags, hctx_idx, q->nr_requests); - if (ret) - blk_mq_sched_free_tags(set, hctx, hctx_idx); + if (ret) { + blk_mq_free_rq_map(hctx->sched_tags, set->flags); + hctx->sched_tags = NULL; + } return ret; } diff --git a/block/genhd.c b/block/genhd.c index af4d2ab4a633..298ee78c1bda 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -1079,10 +1079,9 @@ static void disk_release(struct device *dev) disk_release_events(disk); kfree(disk->random); xa_destroy(&disk->part_tbl); - bdput(disk->part0); if (test_bit(GD_QUEUE_REF, &disk->state) && disk->queue) blk_put_queue(disk->queue); - kfree(disk); + bdput(disk->part0); /* frees the disk */ } struct class block_class = { .name = "block", diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 9d872ea477a6..8f9940f40baa 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -370,7 +370,7 @@ config ACPI_TABLE_UPGRADE config ACPI_TABLE_OVERRIDE_VIA_BUILTIN_INITRD bool "Override ACPI tables from built-in initrd" depends on ACPI_TABLE_UPGRADE - depends on INITRAMFS_SOURCE!="" && INITRAMFS_COMPRESSION="" + depends on INITRAMFS_SOURCE!="" && INITRAMFS_COMPRESSION_NONE help This option provides functionality to override arbitrary ACPI tables from built-in uncompressed initrd. diff --git a/drivers/acpi/dptf/dptf_pch_fivr.c b/drivers/acpi/dptf/dptf_pch_fivr.c index 5fca18296bf6..550b9081fcbc 100644 --- a/drivers/acpi/dptf/dptf_pch_fivr.c +++ b/drivers/acpi/dptf/dptf_pch_fivr.c @@ -9,6 +9,42 @@ #include <linux/module.h> #include <linux/platform_device.h> +struct pch_fivr_resp { + u64 status; + u64 result; +}; + +static int pch_fivr_read(acpi_handle handle, char *method, struct pch_fivr_resp *fivr_resp) +{ + struct acpi_buffer resp = { sizeof(struct pch_fivr_resp), fivr_resp}; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + struct acpi_buffer format = { sizeof("NN"), "NN" }; + union acpi_object *obj; + acpi_status status; + int ret = -EFAULT; + + status = acpi_evaluate_object(handle, method, NULL, &buffer); + if (ACPI_FAILURE(status)) + return ret; + + obj = buffer.pointer; + if (!obj || obj->type != ACPI_TYPE_PACKAGE) + goto release_buffer; + + status = acpi_extract_package(obj, &format, &resp); + if (ACPI_FAILURE(status)) + goto release_buffer; + + if (fivr_resp->status) + goto release_buffer; + + ret = 0; + +release_buffer: + kfree(buffer.pointer); + return ret; +} + /* * Presentation of attributes which are defined for INT1045 * They are: @@ -23,15 +59,14 @@ static ssize_t name##_show(struct device *dev,\ char *buf)\ {\ struct acpi_device *acpi_dev = dev_get_drvdata(dev);\ - unsigned long long val;\ - acpi_status status;\ + struct pch_fivr_resp fivr_resp;\ + int status;\ \ - status = acpi_evaluate_integer(acpi_dev->handle, #method,\ - NULL, &val);\ - if (ACPI_SUCCESS(status))\ - return sprintf(buf, "%d\n", (int)val);\ - else\ - return -EINVAL;\ + status = pch_fivr_read(acpi_dev->handle, #method, &fivr_resp);\ + if (status)\ + return status;\ +\ + return sprintf(buf, "%llu\n", fivr_resp.result);\ } #define PCH_FIVR_STORE(name, method) \ diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index dc01fb550b28..ee78a210c606 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -423,13 +423,6 @@ static void acpi_dev_get_irqresource(struct resource *res, u32 gsi, } } -static bool irq_is_legacy(struct acpi_resource_irq *irq) -{ - return irq->triggering == ACPI_EDGE_SENSITIVE && - irq->polarity == ACPI_ACTIVE_HIGH && - irq->shareable == ACPI_EXCLUSIVE; -} - /** * acpi_dev_resource_interrupt - Extract ACPI interrupt resource information. * @ares: Input ACPI resource object. @@ -468,7 +461,7 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, } acpi_dev_get_irqresource(res, irq->interrupts[index], irq->triggering, irq->polarity, - irq->shareable, irq_is_legacy(irq)); + irq->shareable, true); break; case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: ext_irq = &ares->data.extended_irq; diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index e7ddd281afff..d5cedffeeff9 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -860,11 +860,9 @@ EXPORT_SYMBOL(acpi_dev_present); * Return the next match of ACPI device if another matching device was present * at the moment of invocation, or NULL otherwise. * - * FIXME: The function does not tolerate the sudden disappearance of @adev, e.g. - * in the case of a hotplug event. That said, the caller should ensure that - * this will never happen. - * * The caller is responsible for invoking acpi_dev_put() on the returned device. + * On the other hand the function invokes acpi_dev_put() on the given @adev + * assuming that its reference counter had been increased beforehand. * * See additional information in acpi_dev_present() as well. */ @@ -880,6 +878,7 @@ acpi_dev_get_next_match_dev(struct acpi_device *adev, const char *hid, const cha match.hrv = hrv; dev = bus_find_device(&acpi_bus_type, start, &match, acpi_dev_match_cb); + acpi_dev_put(adev); return dev ? to_acpi_device(dev) : NULL; } EXPORT_SYMBOL(acpi_dev_get_next_match_dev); diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c index 1c507804fb10..fbdbef0ab552 100644 --- a/drivers/acpi/x86/s2idle.c +++ b/drivers/acpi/x86/s2idle.c @@ -378,19 +378,25 @@ static int lps0_device_attach(struct acpi_device *adev, * AMDI0006: * - should use rev_id 0x0 * - function mask = 0x3: Should use Microsoft method + * AMDI0007: + * - Should use rev_id 0x2 + * - Should only use AMD method */ const char *hid = acpi_device_hid(adev); - rev_id = 0; + rev_id = strcmp(hid, "AMDI0007") ? 0 : 2; lps0_dsm_func_mask = validate_dsm(adev->handle, ACPI_LPS0_DSM_UUID_AMD, rev_id, &lps0_dsm_guid); lps0_dsm_func_mask_microsoft = validate_dsm(adev->handle, - ACPI_LPS0_DSM_UUID_MICROSOFT, rev_id, + ACPI_LPS0_DSM_UUID_MICROSOFT, 0, &lps0_dsm_guid_microsoft); if (lps0_dsm_func_mask > 0x3 && (!strcmp(hid, "AMD0004") || !strcmp(hid, "AMDI0005"))) { lps0_dsm_func_mask = (lps0_dsm_func_mask << 1) | 0x1; acpi_handle_debug(adev->handle, "_DSM UUID %s: Adjusted function mask: 0x%x\n", ACPI_LPS0_DSM_UUID_AMD, lps0_dsm_func_mask); + } else if (lps0_dsm_func_mask_microsoft > 0 && !strcmp(hid, "AMDI0007")) { + lps0_dsm_func_mask_microsoft = -EINVAL; + acpi_handle_debug(adev->handle, "_DSM Using AMD method\n"); } } else { rev_id = 1; diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index ae7189d1a568..b71ea4a680b0 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -637,6 +637,20 @@ unsigned int ata_sff_data_xfer32(struct ata_queued_cmd *qc, unsigned char *buf, } EXPORT_SYMBOL_GPL(ata_sff_data_xfer32); +static void ata_pio_xfer(struct ata_queued_cmd *qc, struct page *page, + unsigned int offset, size_t xfer_size) +{ + bool do_write = (qc->tf.flags & ATA_TFLAG_WRITE); + unsigned char *buf; + + buf = kmap_atomic(page); + qc->ap->ops->sff_data_xfer(qc, buf + offset, xfer_size, do_write); + kunmap_atomic(buf); + + if (!do_write && !PageSlab(page)) + flush_dcache_page(page); +} + /** * ata_pio_sector - Transfer a sector of data. * @qc: Command on going @@ -648,11 +662,9 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer32); */ static void ata_pio_sector(struct ata_queued_cmd *qc) { - int do_write = (qc->tf.flags & ATA_TFLAG_WRITE); struct ata_port *ap = qc->ap; struct page *page; unsigned int offset; - unsigned char *buf; if (!qc->cursg) { qc->curbytes = qc->nbytes; @@ -670,13 +682,20 @@ static void ata_pio_sector(struct ata_queued_cmd *qc) DPRINTK("data %s\n", qc->tf.flags & ATA_TFLAG_WRITE ? "write" : "read"); - /* do the actual data transfer */ - buf = kmap_atomic(page); - ap->ops->sff_data_xfer(qc, buf + offset, qc->sect_size, do_write); - kunmap_atomic(buf); + /* + * Split the transfer when it splits a page boundary. Note that the + * split still has to be dword aligned like all ATA data transfers. + */ + WARN_ON_ONCE(offset % 4); + if (offset + qc->sect_size > PAGE_SIZE) { + unsigned int split_len = PAGE_SIZE - offset; - if (!do_write && !PageSlab(page)) - flush_dcache_page(page); + ata_pio_xfer(qc, page, offset, split_len); + ata_pio_xfer(qc, nth_page(page, 1), 0, + qc->sect_size - split_len); + } else { + ata_pio_xfer(qc, page, offset, qc->sect_size); + } qc->curbytes += qc->sect_size; qc->cursg_ofs += qc->sect_size; diff --git a/drivers/base/auxiliary.c b/drivers/base/auxiliary.c index adc199dfba3c..6a30264ab2ba 100644 --- a/drivers/base/auxiliary.c +++ b/drivers/base/auxiliary.c @@ -231,6 +231,8 @@ EXPORT_SYMBOL_GPL(auxiliary_find_device); int __auxiliary_driver_register(struct auxiliary_driver *auxdrv, struct module *owner, const char *modname) { + int ret; + if (WARN_ON(!auxdrv->probe) || WARN_ON(!auxdrv->id_table)) return -EINVAL; @@ -246,7 +248,11 @@ int __auxiliary_driver_register(struct auxiliary_driver *auxdrv, auxdrv->driver.bus = &auxiliary_bus_type; auxdrv->driver.mod_name = modname; - return driver_register(&auxdrv->driver); + ret = driver_register(&auxdrv->driver); + if (ret) + kfree(auxdrv->driver.name); + + return ret; } EXPORT_SYMBOL_GPL(__auxiliary_driver_register); diff --git a/drivers/base/core.c b/drivers/base/core.c index cadcade65825..f6360490a4a3 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -574,8 +574,10 @@ static void devlink_remove_symlinks(struct device *dev, return; } - snprintf(buf, len, "supplier:%s:%s", dev_bus_name(sup), dev_name(sup)); - sysfs_remove_link(&con->kobj, buf); + if (device_is_registered(con)) { + snprintf(buf, len, "supplier:%s:%s", dev_bus_name(sup), dev_name(sup)); + sysfs_remove_link(&con->kobj, buf); + } snprintf(buf, len, "consumer:%s:%s", dev_bus_name(con), dev_name(con)); sysfs_remove_link(&sup->kobj, buf); kfree(buf); diff --git a/drivers/block/loop.c b/drivers/block/loop.c index f37b9e3d833c..f0cdff0c5fbf 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -88,6 +88,47 @@ static DEFINE_IDR(loop_index_idr); static DEFINE_MUTEX(loop_ctl_mutex); +static DEFINE_MUTEX(loop_validate_mutex); + +/** + * loop_global_lock_killable() - take locks for safe loop_validate_file() test + * + * @lo: struct loop_device + * @global: true if @lo is about to bind another "struct loop_device", false otherwise + * + * Returns 0 on success, -EINTR otherwise. + * + * Since loop_validate_file() traverses on other "struct loop_device" if + * is_loop_device() is true, we need a global lock for serializing concurrent + * loop_configure()/loop_change_fd()/__loop_clr_fd() calls. + */ +static int loop_global_lock_killable(struct loop_device *lo, bool global) +{ + int err; + + if (global) { + err = mutex_lock_killable(&loop_validate_mutex); + if (err) + return err; + } + err = mutex_lock_killable(&lo->lo_mutex); + if (err && global) + mutex_unlock(&loop_validate_mutex); + return err; +} + +/** + * loop_global_unlock() - release locks taken by loop_global_lock_killable() + * + * @lo: struct loop_device + * @global: true if @lo was about to bind another "struct loop_device", false otherwise + */ +static void loop_global_unlock(struct loop_device *lo, bool global) +{ + mutex_unlock(&lo->lo_mutex); + if (global) + mutex_unlock(&loop_validate_mutex); +} static int max_part; static int part_shift; @@ -672,13 +713,15 @@ static int loop_validate_file(struct file *file, struct block_device *bdev) while (is_loop_device(f)) { struct loop_device *l; + lockdep_assert_held(&loop_validate_mutex); if (f->f_mapping->host->i_rdev == bdev->bd_dev) return -EBADF; l = I_BDEV(f->f_mapping->host)->bd_disk->private_data; - if (l->lo_state != Lo_bound) { + if (l->lo_state != Lo_bound) return -EINVAL; - } + /* Order wrt setting lo->lo_backing_file in loop_configure(). */ + rmb(); f = l->lo_backing_file; } if (!S_ISREG(inode->i_mode) && !S_ISBLK(inode->i_mode)) @@ -697,13 +740,18 @@ static int loop_validate_file(struct file *file, struct block_device *bdev) static int loop_change_fd(struct loop_device *lo, struct block_device *bdev, unsigned int arg) { - struct file *file = NULL, *old_file; - int error; - bool partscan; + struct file *file = fget(arg); + struct file *old_file; + int error; + bool partscan; + bool is_loop; - error = mutex_lock_killable(&lo->lo_mutex); + if (!file) + return -EBADF; + is_loop = is_loop_device(file); + error = loop_global_lock_killable(lo, is_loop); if (error) - return error; + goto out_putf; error = -ENXIO; if (lo->lo_state != Lo_bound) goto out_err; @@ -713,11 +761,6 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev, if (!(lo->lo_flags & LO_FLAGS_READ_ONLY)) goto out_err; - error = -EBADF; - file = fget(arg); - if (!file) - goto out_err; - error = loop_validate_file(file, bdev); if (error) goto out_err; @@ -740,7 +783,16 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev, loop_update_dio(lo); blk_mq_unfreeze_queue(lo->lo_queue); partscan = lo->lo_flags & LO_FLAGS_PARTSCAN; - mutex_unlock(&lo->lo_mutex); + loop_global_unlock(lo, is_loop); + + /* + * Flush loop_validate_file() before fput(), for l->lo_backing_file + * might be pointing at old_file which might be the last reference. + */ + if (!is_loop) { + mutex_lock(&loop_validate_mutex); + mutex_unlock(&loop_validate_mutex); + } /* * We must drop file reference outside of lo_mutex as dropping * the file ref can take open_mutex which creates circular locking @@ -752,9 +804,9 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev, return 0; out_err: - mutex_unlock(&lo->lo_mutex); - if (file) - fput(file); + loop_global_unlock(lo, is_loop); +out_putf: + fput(file); return error; } @@ -1136,22 +1188,22 @@ static int loop_configure(struct loop_device *lo, fmode_t mode, struct block_device *bdev, const struct loop_config *config) { - struct file *file; - struct inode *inode; + struct file *file = fget(config->fd); + struct inode *inode; struct address_space *mapping; - int error; - loff_t size; - bool partscan; - unsigned short bsize; + int error; + loff_t size; + bool partscan; + unsigned short bsize; + bool is_loop; + + if (!file) + return -EBADF; + is_loop = is_loop_device(file); /* This is safe, since we have a reference from open(). */ __module_get(THIS_MODULE); - error = -EBADF; - file = fget(config->fd); - if (!file) - goto out; - /* * If we don't hold exclusive handle for the device, upgrade to it * here to avoid changing device under exclusive owner. @@ -1162,7 +1214,7 @@ static int loop_configure(struct loop_device *lo, fmode_t mode, goto out_putf; } - error = mutex_lock_killable(&lo->lo_mutex); + error = loop_global_lock_killable(lo, is_loop); if (error) goto out_bdev; @@ -1242,6 +1294,9 @@ static int loop_configure(struct loop_device *lo, fmode_t mode, size = get_loop_size(lo, file); loop_set_size(lo, size); + /* Order wrt reading lo_state in loop_validate_file(). */ + wmb(); + lo->lo_state = Lo_bound; if (part_shift) lo->lo_flags |= LO_FLAGS_PARTSCAN; @@ -1253,7 +1308,7 @@ static int loop_configure(struct loop_device *lo, fmode_t mode, * put /dev/loopXX inode. Later in __loop_clr_fd() we bdput(bdev). */ bdgrab(bdev); - mutex_unlock(&lo->lo_mutex); + loop_global_unlock(lo, is_loop); if (partscan) loop_reread_partitions(lo); if (!(mode & FMODE_EXCL)) @@ -1261,13 +1316,12 @@ static int loop_configure(struct loop_device *lo, fmode_t mode, return 0; out_unlock: - mutex_unlock(&lo->lo_mutex); + loop_global_unlock(lo, is_loop); out_bdev: if (!(mode & FMODE_EXCL)) bd_abort_claiming(bdev, loop_configure); out_putf: fput(file); -out: /* This is safe: open() is still holding a reference. */ module_put(THIS_MODULE); return error; @@ -1283,6 +1337,18 @@ static int __loop_clr_fd(struct loop_device *lo, bool release) int lo_number; struct loop_worker *pos, *worker; + /* + * Flush loop_configure() and loop_change_fd(). It is acceptable for + * loop_validate_file() to succeed, for actual clear operation has not + * started yet. + */ + mutex_lock(&loop_validate_mutex); + mutex_unlock(&loop_validate_mutex); + /* + * loop_validate_file() now fails because l->lo_state != Lo_bound + * became visible. + */ + mutex_lock(&lo->lo_mutex); if (WARN_ON_ONCE(lo->lo_state != Lo_rundown)) { err = -ENXIO; diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 531d390902dd..90b947c96402 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -4100,8 +4100,6 @@ again: static bool rbd_quiesce_lock(struct rbd_device *rbd_dev) { - bool need_wait; - dout("%s rbd_dev %p\n", __func__, rbd_dev); lockdep_assert_held_write(&rbd_dev->lock_rwsem); @@ -4113,11 +4111,11 @@ static bool rbd_quiesce_lock(struct rbd_device *rbd_dev) */ rbd_dev->lock_state = RBD_LOCK_STATE_RELEASING; rbd_assert(!completion_done(&rbd_dev->releasing_wait)); - need_wait = !list_empty(&rbd_dev->running_list); - downgrade_write(&rbd_dev->lock_rwsem); - if (need_wait) - wait_for_completion(&rbd_dev->releasing_wait); - up_read(&rbd_dev->lock_rwsem); + if (list_empty(&rbd_dev->running_list)) + return true; + + up_write(&rbd_dev->lock_rwsem); + wait_for_completion(&rbd_dev->releasing_wait); down_write(&rbd_dev->lock_rwsem); if (rbd_dev->lock_state != RBD_LOCK_STATE_RELEASING) @@ -4203,15 +4201,11 @@ static void rbd_handle_acquired_lock(struct rbd_device *rbd_dev, u8 struct_v, if (!rbd_cid_equal(&cid, &rbd_empty_cid)) { down_write(&rbd_dev->lock_rwsem); if (rbd_cid_equal(&cid, &rbd_dev->owner_cid)) { - /* - * we already know that the remote client is - * the owner - */ - up_write(&rbd_dev->lock_rwsem); - return; + dout("%s rbd_dev %p cid %llu-%llu == owner_cid\n", + __func__, rbd_dev, cid.gid, cid.handle); + } else { + rbd_set_owner_cid(rbd_dev, &cid); } - - rbd_set_owner_cid(rbd_dev, &cid); downgrade_write(&rbd_dev->lock_rwsem); } else { down_read(&rbd_dev->lock_rwsem); @@ -4236,14 +4230,12 @@ static void rbd_handle_released_lock(struct rbd_device *rbd_dev, u8 struct_v, if (!rbd_cid_equal(&cid, &rbd_empty_cid)) { down_write(&rbd_dev->lock_rwsem); if (!rbd_cid_equal(&cid, &rbd_dev->owner_cid)) { - dout("%s rbd_dev %p unexpected owner, cid %llu-%llu != owner_cid %llu-%llu\n", + dout("%s rbd_dev %p cid %llu-%llu != owner_cid %llu-%llu\n", __func__, rbd_dev, cid.gid, cid.handle, rbd_dev->owner_cid.gid, rbd_dev->owner_cid.handle); - up_write(&rbd_dev->lock_rwsem); - return; + } else { + rbd_set_owner_cid(rbd_dev, &rbd_empty_cid); } - - rbd_set_owner_cid(rbd_dev, &rbd_empty_cid); downgrade_write(&rbd_dev->lock_rwsem); } else { down_read(&rbd_dev->lock_rwsem); @@ -4951,6 +4943,7 @@ static int rbd_init_disk(struct rbd_device *rbd_dev) disk->minors = RBD_MINORS_PER_MAJOR; } disk->fops = &rbd_bd_ops; + disk->private_data = rbd_dev; blk_queue_flag_set(QUEUE_FLAG_NONROT, q); /* QUEUE_FLAG_ADD_RANDOM is off by default for blk-mq */ diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c index 22acde118bc3..fc9196f11cb7 100644 --- a/drivers/bus/mhi/core/main.c +++ b/drivers/bus/mhi/core/main.c @@ -773,11 +773,18 @@ static void mhi_process_cmd_completion(struct mhi_controller *mhi_cntrl, cmd_pkt = mhi_to_virtual(mhi_ring, ptr); chan = MHI_TRE_GET_CMD_CHID(cmd_pkt); - mhi_chan = &mhi_cntrl->mhi_chan[chan]; - write_lock_bh(&mhi_chan->lock); - mhi_chan->ccs = MHI_TRE_GET_EV_CODE(tre); - complete(&mhi_chan->completion); - write_unlock_bh(&mhi_chan->lock); + + if (chan < mhi_cntrl->max_chan && + mhi_cntrl->mhi_chan[chan].configured) { + mhi_chan = &mhi_cntrl->mhi_chan[chan]; + write_lock_bh(&mhi_chan->lock); + mhi_chan->ccs = MHI_TRE_GET_EV_CODE(tre); + complete(&mhi_chan->completion); + write_unlock_bh(&mhi_chan->lock); + } else { + dev_err(&mhi_cntrl->mhi_dev->dev, + "Completion packet for invalid channel ID: %d\n", chan); + } mhi_del_ring_element(mhi_cntrl, mhi_ring); } diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c index ca3bc40427f8..4dd1077354af 100644 --- a/drivers/bus/mhi/pci_generic.c +++ b/drivers/bus/mhi/pci_generic.c @@ -32,6 +32,8 @@ * @edl: emergency download mode firmware path (if any) * @bar_num: PCI base address register to use for MHI MMIO register space * @dma_data_width: DMA transfer word size (32 or 64 bits) + * @sideband_wake: Devices using dedicated sideband GPIO for wakeup instead + * of inband wake support (such as sdx24) */ struct mhi_pci_dev_info { const struct mhi_controller_config *config; @@ -40,6 +42,7 @@ struct mhi_pci_dev_info { const char *edl; unsigned int bar_num; unsigned int dma_data_width; + bool sideband_wake; }; #define MHI_CHANNEL_CONFIG_UL(ch_num, ch_name, el_count, ev_ring) \ @@ -72,6 +75,22 @@ struct mhi_pci_dev_info { .doorbell_mode_switch = false, \ } +#define MHI_CHANNEL_CONFIG_DL_AUTOQUEUE(ch_num, ch_name, el_count, ev_ring) \ + { \ + .num = ch_num, \ + .name = ch_name, \ + .num_elements = el_count, \ + .event_ring = ev_ring, \ + .dir = DMA_FROM_DEVICE, \ + .ee_mask = BIT(MHI_EE_AMSS), \ + .pollcfg = 0, \ + .doorbell = MHI_DB_BRST_DISABLE, \ + .lpm_notify = false, \ + .offload_channel = false, \ + .doorbell_mode_switch = false, \ + .auto_queue = true, \ + } + #define MHI_EVENT_CONFIG_CTRL(ev_ring, el_count) \ { \ .num_elements = el_count, \ @@ -210,7 +229,7 @@ static const struct mhi_channel_config modem_qcom_v1_mhi_channels[] = { MHI_CHANNEL_CONFIG_UL(14, "QMI", 4, 0), MHI_CHANNEL_CONFIG_DL(15, "QMI", 4, 0), MHI_CHANNEL_CONFIG_UL(20, "IPCR", 8, 0), - MHI_CHANNEL_CONFIG_DL(21, "IPCR", 8, 0), + MHI_CHANNEL_CONFIG_DL_AUTOQUEUE(21, "IPCR", 8, 0), MHI_CHANNEL_CONFIG_UL_FP(34, "FIREHOSE", 32, 0), MHI_CHANNEL_CONFIG_DL_FP(35, "FIREHOSE", 32, 0), MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0", 128, 2), @@ -242,7 +261,8 @@ static const struct mhi_pci_dev_info mhi_qcom_sdx65_info = { .edl = "qcom/sdx65m/edl.mbn", .config = &modem_qcom_v1_mhiv_config, .bar_num = MHI_PCI_DEFAULT_BAR_NUM, - .dma_data_width = 32 + .dma_data_width = 32, + .sideband_wake = false, }; static const struct mhi_pci_dev_info mhi_qcom_sdx55_info = { @@ -251,7 +271,8 @@ static const struct mhi_pci_dev_info mhi_qcom_sdx55_info = { .edl = "qcom/sdx55m/edl.mbn", .config = &modem_qcom_v1_mhiv_config, .bar_num = MHI_PCI_DEFAULT_BAR_NUM, - .dma_data_width = 32 + .dma_data_width = 32, + .sideband_wake = false, }; static const struct mhi_pci_dev_info mhi_qcom_sdx24_info = { @@ -259,7 +280,8 @@ static const struct mhi_pci_dev_info mhi_qcom_sdx24_info = { .edl = "qcom/prog_firehose_sdx24.mbn", .config = &modem_qcom_v1_mhiv_config, .bar_num = MHI_PCI_DEFAULT_BAR_NUM, - .dma_data_width = 32 + .dma_data_width = 32, + .sideband_wake = true, }; static const struct mhi_channel_config mhi_quectel_em1xx_channels[] = { @@ -301,7 +323,8 @@ static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = { .edl = "qcom/prog_firehose_sdx24.mbn", .config = &modem_quectel_em1xx_config, .bar_num = MHI_PCI_DEFAULT_BAR_NUM, - .dma_data_width = 32 + .dma_data_width = 32, + .sideband_wake = true, }; static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = { @@ -339,7 +362,8 @@ static const struct mhi_pci_dev_info mhi_foxconn_sdx55_info = { .edl = "qcom/sdx55m/edl.mbn", .config = &modem_foxconn_sdx55_config, .bar_num = MHI_PCI_DEFAULT_BAR_NUM, - .dma_data_width = 32 + .dma_data_width = 32, + .sideband_wake = false, }; static const struct pci_device_id mhi_pci_id_table[] = { @@ -640,9 +664,12 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) mhi_cntrl->status_cb = mhi_pci_status_cb; mhi_cntrl->runtime_get = mhi_pci_runtime_get; mhi_cntrl->runtime_put = mhi_pci_runtime_put; - mhi_cntrl->wake_get = mhi_pci_wake_get_nop; - mhi_cntrl->wake_put = mhi_pci_wake_put_nop; - mhi_cntrl->wake_toggle = mhi_pci_wake_toggle_nop; + + if (info->sideband_wake) { + mhi_cntrl->wake_get = mhi_pci_wake_get_nop; + mhi_cntrl->wake_put = mhi_pci_wake_put_nop; + mhi_cntrl->wake_toggle = mhi_pci_wake_toggle_nop; + } err = mhi_pci_claim(mhi_cntrl, info->bar_num, DMA_BIT_MASK(info->dma_data_width)); if (err) diff --git a/drivers/firmware/efi/dev-path-parser.c b/drivers/firmware/efi/dev-path-parser.c index 10d4457417a4..eb9c65f97841 100644 --- a/drivers/firmware/efi/dev-path-parser.c +++ b/drivers/firmware/efi/dev-path-parser.c @@ -34,7 +34,6 @@ static long __init parse_acpi_path(const struct efi_dev_path *node, break; if (!adev->pnp.unique_id && node->acpi.uid == 0) break; - acpi_dev_put(adev); } if (!adev) return -ENODEV; diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 4b7ee3fa9224..847f33ffc4ae 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -896,6 +896,7 @@ static int __init efi_memreserve_map_root(void) static int efi_mem_reserve_iomem(phys_addr_t addr, u64 size) { struct resource *res, *parent; + int ret; res = kzalloc(sizeof(struct resource), GFP_ATOMIC); if (!res) @@ -908,7 +909,17 @@ static int efi_mem_reserve_iomem(phys_addr_t addr, u64 size) /* we expect a conflict with a 'System RAM' region */ parent = request_resource_conflict(&iomem_resource, res); - return parent ? request_resource(parent, res) : 0; + ret = parent ? request_resource(parent, res) : 0; + + /* + * Given that efi_mem_reserve_iomem() can be called at any + * time, only call memblock_reserve() if the architecture + * keeps the infrastructure around. + */ + if (IS_ENABLED(CONFIG_ARCH_KEEP_MEMBLOCK) && !ret) + memblock_reserve(addr, size); + + return ret; } int __ref efi_mem_reserve_persistent(phys_addr_t addr, u64 size) diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c index aa8da0a49829..ae87dded989d 100644 --- a/drivers/firmware/efi/libstub/efi-stub-helper.c +++ b/drivers/firmware/efi/libstub/efi-stub-helper.c @@ -630,8 +630,8 @@ efi_status_t efi_load_initrd_cmdline(efi_loaded_image_t *image, * @image: EFI loaded image protocol * @load_addr: pointer to loaded initrd * @load_size: size of loaded initrd - * @soft_limit: preferred size of allocated memory for loading the initrd - * @hard_limit: minimum size of allocated memory + * @soft_limit: preferred address for loading the initrd + * @hard_limit: upper limit address for loading the initrd * * Return: status code */ diff --git a/drivers/firmware/efi/mokvar-table.c b/drivers/firmware/efi/mokvar-table.c index d8bc01340686..38722d2009e2 100644 --- a/drivers/firmware/efi/mokvar-table.c +++ b/drivers/firmware/efi/mokvar-table.c @@ -180,7 +180,10 @@ void __init efi_mokvar_table_init(void) pr_err("EFI MOKvar config table is not valid\n"); return; } - efi_mem_reserve(efi.mokvar_table, map_size_needed); + + if (md.type == EFI_BOOT_SERVICES_DATA) + efi_mem_reserve(efi.mokvar_table, map_size_needed); + efi_mokvar_table_size = map_size_needed; } diff --git a/drivers/firmware/efi/tpm.c b/drivers/firmware/efi/tpm.c index c1955d320fec..8f665678e9e3 100644 --- a/drivers/firmware/efi/tpm.c +++ b/drivers/firmware/efi/tpm.c @@ -62,9 +62,11 @@ int __init efi_tpm_eventlog_init(void) tbl_size = sizeof(*log_tbl) + log_tbl->size; memblock_reserve(efi.tpm_log, tbl_size); - if (efi.tpm_final_log == EFI_INVALID_TABLE_ADDR || - log_tbl->version != EFI_TCG2_EVENT_LOG_FORMAT_TCG_2) { - pr_warn(FW_BUG "TPM Final Events table missing or invalid\n"); + if (efi.tpm_final_log == EFI_INVALID_TABLE_ADDR) { + pr_info("TPM Final Events table not present\n"); + goto out; + } else if (log_tbl->version != EFI_TCG2_EVENT_LOG_FORMAT_TCG_2) { + pr_warn(FW_BUG "TPM Final Events table invalid\n"); goto out; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index c0316eaba547..8ac6eb9f1fdb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -619,6 +619,13 @@ struct amdgpu_video_codec_info { u32 max_level; }; +#define codec_info_build(type, width, height, level) \ + .codec_type = type,\ + .max_width = width,\ + .max_height = height,\ + .max_pixels_per_frame = height * width,\ + .max_level = level, + struct amdgpu_video_codecs { const u32 codec_count; const struct amdgpu_video_codec_info *codec_array; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 84a1b4bc9bb4..6cc0d4fa4d0a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -26,6 +26,7 @@ #include <linux/slab.h> #include <linux/power_supply.h> #include <linux/pm_runtime.h> +#include <linux/suspend.h> #include <acpi/video.h> #include <acpi/actbl.h> @@ -1042,7 +1043,7 @@ bool amdgpu_acpi_is_s0ix_supported(struct amdgpu_device *adev) #if defined(CONFIG_AMD_PMC) || defined(CONFIG_AMD_PMC_MODULE) if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) { if (adev->flags & AMD_IS_APU) - return true; + return pm_suspend_target_state == PM_SUSPEND_TO_IDLE; } #endif return false; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index d303e88e3c23..f3fd5ec710b6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3504,13 +3504,13 @@ int amdgpu_device_init(struct amdgpu_device *adev, r = amdgpu_device_get_job_timeout_settings(adev); if (r) { dev_err(adev->dev, "invalid lockup_timeout parameter syntax\n"); - goto failed_unmap; + return r; } /* early init functions */ r = amdgpu_device_ip_early_init(adev); if (r) - goto failed_unmap; + return r; /* doorbell bar mapping and doorbell index init*/ amdgpu_device_doorbell_init(adev); @@ -3736,10 +3736,6 @@ release_ras_con: failed: amdgpu_vf_error_trans_all(adev); -failed_unmap: - iounmap(adev->rmmio); - adev->rmmio = NULL; - return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index abb928894eac..361b86b71b56 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1190,6 +1190,10 @@ static const struct pci_device_id pciidlist[] = { /* Van Gogh */ {0x1002, 0x163F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VANGOGH|AMD_IS_APU}, + /* Yellow Carp */ + {0x1002, 0x164D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_YELLOW_CARP|AMD_IS_APU}, + {0x1002, 0x1681, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_YELLOW_CARP|AMD_IS_APU}, + /* Navy_Flounder */ {0x1002, 0x73C0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVY_FLOUNDER}, {0x1002, 0x73C1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVY_FLOUNDER}, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index d0d9bc445d7b..854fc497844b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -255,6 +255,15 @@ static int amdgpu_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_str if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS) return -EPERM; + /* Workaround for Thunk bug creating PROT_NONE,MAP_PRIVATE mappings + * for debugger access to invisible VRAM. Should have used MAP_SHARED + * instead. Clearing VM_MAYWRITE prevents the mapping from ever + * becoming writable and makes is_cow_mapping(vm_flags) false. + */ + if (is_cow_mapping(vma->vm_flags) && + !(vma->vm_flags & (VM_READ | VM_WRITE | VM_EXEC))) + vma->vm_flags &= ~VM_MAYWRITE; + return drm_gem_ttm_mmap(obj, vma); } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index f5e9c022960b..a64b2c706090 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -3300,6 +3300,7 @@ static const struct soc15_reg_golden golden_settings_gc_10_3[] = SOC15_REG_GOLDEN_VALUE(GC, 0, mmSQ_PERFCOUNTER7_SELECT, 0xf0f001ff, 0x00000000), SOC15_REG_GOLDEN_VALUE(GC, 0, mmSQ_PERFCOUNTER8_SELECT, 0xf0f001ff, 0x00000000), SOC15_REG_GOLDEN_VALUE(GC, 0, mmSQ_PERFCOUNTER9_SELECT, 0xf0f001ff, 0x00000000), + SOC15_REG_GOLDEN_VALUE(GC, 0, mmSX_DEBUG_1, 0x00010000, 0x00010020), SOC15_REG_GOLDEN_VALUE(GC, 0, mmTA_CNTL_AUX, 0xfff7ffff, 0x01030000), SOC15_REG_GOLDEN_VALUE(GC, 0, mmUTCL1_CTRL, 0xffbfffff, 0x00a00000) }; @@ -3379,6 +3380,7 @@ static const struct soc15_reg_golden golden_settings_gc_10_3_vangogh[] = SOC15_REG_GOLDEN_VALUE(GC, 0, mmPA_SC_ENHANCE_2, 0xffffffbf, 0x00000020), SOC15_REG_GOLDEN_VALUE(GC, 0, mmSPI_CONFIG_CNTL_1_Vangogh, 0xffffffff, 0x00070103), SOC15_REG_GOLDEN_VALUE(GC, 0, mmSQG_CONFIG, 0x000017ff, 0x00001000), + SOC15_REG_GOLDEN_VALUE(GC, 0, mmSX_DEBUG_1, 0x00010000, 0x00010020), SOC15_REG_GOLDEN_VALUE(GC, 0, mmTA_CNTL_AUX, 0xfff7ffff, 0x01030000), SOC15_REG_GOLDEN_VALUE(GC, 0, mmUTCL1_CTRL, 0xffffffff, 0x00400000), SOC15_REG_GOLDEN_VALUE(GC, 0, mmVGT_GS_MAX_WAVE_ID, 0x00000fff, 0x000000ff), @@ -3445,6 +3447,7 @@ static const struct soc15_reg_golden golden_settings_gc_10_3_4[] = SOC15_REG_GOLDEN_VALUE(GC, 0, mmSQ_PERFCOUNTER7_SELECT, 0xf0f001ff, 0x00000000), SOC15_REG_GOLDEN_VALUE(GC, 0, mmSQ_PERFCOUNTER8_SELECT, 0xf0f001ff, 0x00000000), SOC15_REG_GOLDEN_VALUE(GC, 0, mmSQ_PERFCOUNTER9_SELECT, 0xf0f001ff, 0x00000000), + SOC15_REG_GOLDEN_VALUE(GC, 0, mmSX_DEBUG_1, 0x00010000, 0x00010020), SOC15_REG_GOLDEN_VALUE(GC, 0, mmTA_CNTL_AUX, 0x01030000, 0x01030000), SOC15_REG_GOLDEN_VALUE(GC, 0, mmUTCL1_CTRL, 0x03a00000, 0x00a00000), SOC15_REG_GOLDEN_VALUE(GC, 0, mmLDS_CONFIG, 0x00000020, 0x00000020) diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index 94a2c0742ee5..94d029dbf30d 100644 --- a/drivers/gpu/drm/amd/amdgpu/nv.c +++ b/drivers/gpu/drm/amd/amdgpu/nv.c @@ -64,32 +64,13 @@ #include "smuio_v11_0.h" #include "smuio_v11_0_6.h" -#define codec_info_build(type, width, height, level) \ - .codec_type = type,\ - .max_width = width,\ - .max_height = height,\ - .max_pixels_per_frame = height * width,\ - .max_level = level, - static const struct amd_ip_funcs nv_common_ip_funcs; /* Navi */ static const struct amdgpu_video_codec_info nv_video_codecs_encode_array[] = { - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, - .max_width = 4096, - .max_height = 2304, - .max_pixels_per_frame = 4096 * 2304, - .max_level = 0, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, - .max_width = 4096, - .max_height = 2304, - .max_pixels_per_frame = 4096 * 2304, - .max_level = 0, - }, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 2304, 0)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 2304, 0)}, }; static const struct amdgpu_video_codecs nv_video_codecs_encode = @@ -101,55 +82,13 @@ static const struct amdgpu_video_codecs nv_video_codecs_encode = /* Navi1x */ static const struct amdgpu_video_codec_info nv_video_codecs_decode_array[] = { - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 3, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 5, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 52, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 4, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, - .max_width = 8192, - .max_height = 4352, - .max_pixels_per_frame = 8192 * 4352, - .max_level = 186, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 0, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, - .max_width = 8192, - .max_height = 4352, - .max_pixels_per_frame = 8192 * 4352, - .max_level = 0, - }, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 4096, 4906, 3)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 4096, 4906, 5)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4906, 52)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 4096, 4906, 4)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)}, }; static const struct amdgpu_video_codecs nv_video_codecs_decode = @@ -161,62 +100,14 @@ static const struct amdgpu_video_codecs nv_video_codecs_decode = /* Sienna Cichlid */ static const struct amdgpu_video_codec_info sc_video_codecs_decode_array[] = { - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 3, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 5, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 52, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 4, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, - .max_width = 8192, - .max_height = 4352, - .max_pixels_per_frame = 8192 * 4352, - .max_level = 186, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 0, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, - .max_width = 8192, - .max_height = 4352, - .max_pixels_per_frame = 8192 * 4352, - .max_level = 0, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1, - .max_width = 8192, - .max_height = 4352, - .max_pixels_per_frame = 8192 * 4352, - .max_level = 0, - }, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 4096, 4906, 3)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 4096, 4906, 5)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4906, 52)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 4096, 4906, 4)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1, 8192, 4352, 0)}, }; static const struct amdgpu_video_codecs sc_video_codecs_decode = @@ -228,80 +119,20 @@ static const struct amdgpu_video_codecs sc_video_codecs_decode = /* SRIOV Sienna Cichlid, not const since data is controlled by host */ static struct amdgpu_video_codec_info sriov_sc_video_codecs_encode_array[] = { - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, - .max_width = 4096, - .max_height = 2304, - .max_pixels_per_frame = 4096 * 2304, - .max_level = 0, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, - .max_width = 4096, - .max_height = 2304, - .max_pixels_per_frame = 4096 * 2304, - .max_level = 0, - }, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 2304, 0)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 2304, 0)}, }; static struct amdgpu_video_codec_info sriov_sc_video_codecs_decode_array[] = { - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 3, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 5, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 52, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 4, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, - .max_width = 8192, - .max_height = 4352, - .max_pixels_per_frame = 8192 * 4352, - .max_level = 186, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 0, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, - .max_width = 8192, - .max_height = 4352, - .max_pixels_per_frame = 8192 * 4352, - .max_level = 0, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1, - .max_width = 8192, - .max_height = 4352, - .max_pixels_per_frame = 8192 * 4352, - .max_level = 0, - }, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 4096, 4906, 3)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 4096, 4906, 5)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4906, 52)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 4096, 4906, 4)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1, 8192, 4352, 0)}, }; static struct amdgpu_video_codecs sriov_sc_video_codecs_encode = @@ -333,6 +164,19 @@ static const struct amdgpu_video_codecs bg_video_codecs_encode = { .codec_array = NULL, }; +/* Yellow Carp*/ +static const struct amdgpu_video_codec_info yc_video_codecs_decode_array[] = { + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4906, 52)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)}, +}; + +static const struct amdgpu_video_codecs yc_video_codecs_decode = { + .codec_count = ARRAY_SIZE(yc_video_codecs_decode_array), + .codec_array = yc_video_codecs_decode_array, +}; + static int nv_query_video_codecs(struct amdgpu_device *adev, bool encode, const struct amdgpu_video_codecs **codecs) { @@ -353,12 +197,17 @@ static int nv_query_video_codecs(struct amdgpu_device *adev, bool encode, case CHIP_NAVY_FLOUNDER: case CHIP_DIMGREY_CAVEFISH: case CHIP_VANGOGH: - case CHIP_YELLOW_CARP: if (encode) *codecs = &nv_video_codecs_encode; else *codecs = &sc_video_codecs_decode; return 0; + case CHIP_YELLOW_CARP: + if (encode) + *codecs = &nv_video_codecs_encode; + else + *codecs = &yc_video_codecs_decode; + return 0; case CHIP_BEIGE_GOBY: if (encode) *codecs = &bg_video_codecs_encode; @@ -1387,7 +1236,10 @@ static int nv_common_early_init(void *handle) AMD_PG_SUPPORT_VCN | AMD_PG_SUPPORT_VCN_DPG | AMD_PG_SUPPORT_JPEG; - adev->external_rev_id = adev->rev_id + 0x01; + if (adev->pdev->device == 0x1681) + adev->external_rev_id = adev->rev_id + 0x19; + else + adev->external_rev_id = adev->rev_id + 0x01; break; default: /* FIXME: not supported yet */ diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c index 618e5b6b85d9..536d41f327c1 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c @@ -67,7 +67,7 @@ static int psp_v12_0_init_microcode(struct psp_context *psp) err = psp_init_asd_microcode(psp, chip_name); if (err) - goto out; + return err; snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name); err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev); @@ -80,7 +80,7 @@ static int psp_v12_0_init_microcode(struct psp_context *psp) } else { err = amdgpu_ucode_validate(adev->psp.ta_fw); if (err) - goto out2; + goto out; ta_hdr = (const struct ta_firmware_header_v1_0 *) adev->psp.ta_fw->data; @@ -105,10 +105,9 @@ static int psp_v12_0_init_microcode(struct psp_context *psp) return 0; -out2: +out: release_firmware(adev->psp.ta_fw); adev->psp.ta_fw = NULL; -out: if (err) { dev_err(adev->dev, "psp v12.0: Failed to load firmware \"%s\"\n", diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index b02436401d46..b7d350be8050 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -88,20 +88,8 @@ /* Vega, Raven, Arcturus */ static const struct amdgpu_video_codec_info vega_video_codecs_encode_array[] = { - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, - .max_width = 4096, - .max_height = 2304, - .max_pixels_per_frame = 4096 * 2304, - .max_level = 0, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, - .max_width = 4096, - .max_height = 2304, - .max_pixels_per_frame = 4096 * 2304, - .max_level = 0, - }, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 2304, 0)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 2304, 0)}, }; static const struct amdgpu_video_codecs vega_video_codecs_encode = @@ -113,48 +101,12 @@ static const struct amdgpu_video_codecs vega_video_codecs_encode = /* Vega */ static const struct amdgpu_video_codec_info vega_video_codecs_decode_array[] = { - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 3, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 5, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 52, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 4, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 186, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 0, - }, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 4096, 4906, 3)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 4096, 4906, 5)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4906, 52)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 4096, 4906, 4)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 4096, 186)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)}, }; static const struct amdgpu_video_codecs vega_video_codecs_decode = @@ -166,55 +118,13 @@ static const struct amdgpu_video_codecs vega_video_codecs_decode = /* Raven */ static const struct amdgpu_video_codec_info rv_video_codecs_decode_array[] = { - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 3, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 5, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 52, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 4, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 186, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 0, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 0, - }, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 4096, 4906, 3)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 4096, 4906, 5)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4906, 52)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 4096, 4906, 4)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 4096, 186)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 4096, 4096, 0)}, }; static const struct amdgpu_video_codecs rv_video_codecs_decode = @@ -226,55 +136,13 @@ static const struct amdgpu_video_codecs rv_video_codecs_decode = /* Renoir, Arcturus */ static const struct amdgpu_video_codec_info rn_video_codecs_decode_array[] = { - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 3, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 5, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 52, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 4, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, - .max_width = 8192, - .max_height = 4352, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 186, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, - .max_width = 4096, - .max_height = 4096, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 0, - }, - { - .codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, - .max_width = 8192, - .max_height = 4352, - .max_pixels_per_frame = 4096 * 4096, - .max_level = 0, - }, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 4096, 4906, 3)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 4096, 4906, 5)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4906, 52)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 4096, 4906, 4)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 4096, 4096, 0)}, + {codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)}, }; static const struct amdgpu_video_codecs rn_video_codecs_decode = diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index d3a2a5ff57e9..b53f49a23ddc 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -2429,9 +2429,9 @@ static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector) max_cll = conn_base->hdr_sink_metadata.hdmi_type1.max_cll; min_cll = conn_base->hdr_sink_metadata.hdmi_type1.min_cll; - if (caps->ext_caps->bits.oled == 1 || + if (caps->ext_caps->bits.oled == 1 /*|| caps->ext_caps->bits.sdr_aux_backlight_control == 1 || - caps->ext_caps->bits.hdr_aux_backlight_control == 1) + caps->ext_caps->bits.hdr_aux_backlight_control == 1*/) caps->aux_support = true; if (amdgpu_backlight == 0) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c index 6e0c5c664fdc..a5331b96f551 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c @@ -197,7 +197,7 @@ void dcn20_update_clocks_update_dentist(struct clk_mgr_internal *clk_mgr, struct REG_UPDATE(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, dispclk_wdivider); -// REG_WAIT(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, 1, 5, 100); + REG_WAIT(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, 1, 50, 1000); REG_UPDATE(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_WDIVIDER, dppclk_wdivider); REG_WAIT(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_CHG_DONE, 1, 5, 100); diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c index 513676a6f52b..af7004b770ae 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c @@ -190,6 +190,10 @@ void dcn3_init_clocks(struct clk_mgr *clk_mgr_base) &clk_mgr_base->bw_params->clk_table.entries[0].dtbclk_mhz, &num_levels); + /* SOCCLK */ + dcn3_init_single_clock(clk_mgr, PPCLK_SOCCLK, + &clk_mgr_base->bw_params->clk_table.entries[0].socclk_mhz, + &num_levels); // DPREFCLK ??? /* DISPCLK */ diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c index 7b7d884d58be..4a4894e9d9c9 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c @@ -48,6 +48,21 @@ #include "dc_dmub_srv.h" +#include "yellow_carp_offset.h" + +#define regCLK1_CLK_PLL_REQ 0x0237 +#define regCLK1_CLK_PLL_REQ_BASE_IDX 0 + +#define CLK1_CLK_PLL_REQ__FbMult_int__SHIFT 0x0 +#define CLK1_CLK_PLL_REQ__PllSpineDiv__SHIFT 0xc +#define CLK1_CLK_PLL_REQ__FbMult_frac__SHIFT 0x10 +#define CLK1_CLK_PLL_REQ__FbMult_int_MASK 0x000001FFL +#define CLK1_CLK_PLL_REQ__PllSpineDiv_MASK 0x0000F000L +#define CLK1_CLK_PLL_REQ__FbMult_frac_MASK 0xFFFF0000L + +#define REG(reg_name) \ + (CLK_BASE.instance[0].segment[reg ## reg_name ## _BASE_IDX] + reg ## reg_name) + #define TO_CLK_MGR_DCN31(clk_mgr)\ container_of(clk_mgr, struct clk_mgr_dcn31, base) @@ -124,10 +139,10 @@ static void dcn31_update_clocks(struct clk_mgr *clk_mgr_base, * also if safe to lower is false, we just go in the higher state */ if (safe_to_lower) { - if (new_clocks->z9_support == DCN_Z9_SUPPORT_ALLOW && - new_clocks->z9_support != clk_mgr_base->clks.z9_support) { + if (new_clocks->zstate_support == DCN_ZSTATE_SUPPORT_ALLOW && + new_clocks->zstate_support != clk_mgr_base->clks.zstate_support) { dcn31_smu_set_Z9_support(clk_mgr, true); - clk_mgr_base->clks.z9_support = new_clocks->z9_support; + clk_mgr_base->clks.zstate_support = new_clocks->zstate_support; } if (clk_mgr_base->clks.dtbclk_en && !new_clocks->dtbclk_en) { @@ -148,10 +163,10 @@ static void dcn31_update_clocks(struct clk_mgr *clk_mgr_base, } } } else { - if (new_clocks->z9_support == DCN_Z9_SUPPORT_DISALLOW && - new_clocks->z9_support != clk_mgr_base->clks.z9_support) { + if (new_clocks->zstate_support == DCN_ZSTATE_SUPPORT_DISALLOW && + new_clocks->zstate_support != clk_mgr_base->clks.zstate_support) { dcn31_smu_set_Z9_support(clk_mgr, false); - clk_mgr_base->clks.z9_support = new_clocks->z9_support; + clk_mgr_base->clks.zstate_support = new_clocks->zstate_support; } if (!clk_mgr_base->clks.dtbclk_en && new_clocks->dtbclk_en) { @@ -229,7 +244,32 @@ static void dcn31_update_clocks(struct clk_mgr *clk_mgr_base, static int get_vco_frequency_from_reg(struct clk_mgr_internal *clk_mgr) { - return 0; + /* get FbMult value */ + struct fixed31_32 pll_req; + unsigned int fbmult_frac_val = 0; + unsigned int fbmult_int_val = 0; + + /* + * Register value of fbmult is in 8.16 format, we are converting to 31.32 + * to leverage the fix point operations available in driver + */ + + REG_GET(CLK1_CLK_PLL_REQ, FbMult_frac, &fbmult_frac_val); /* 16 bit fractional part*/ + REG_GET(CLK1_CLK_PLL_REQ, FbMult_int, &fbmult_int_val); /* 8 bit integer part */ + + pll_req = dc_fixpt_from_int(fbmult_int_val); + + /* + * since fractional part is only 16 bit in register definition but is 32 bit + * in our fix point definiton, need to shift left by 16 to obtain correct value + */ + pll_req.value |= fbmult_frac_val << 16; + + /* multiply by REFCLK period */ + pll_req = dc_fixpt_mul_int(pll_req, clk_mgr->dfs_ref_freq_khz); + + /* integer part is now VCO frequency in kHz */ + return dc_fixpt_floor(pll_req); } static void dcn31_enable_pme_wa(struct clk_mgr *clk_mgr_base) @@ -246,7 +286,7 @@ static void dcn31_init_clocks(struct clk_mgr *clk_mgr) clk_mgr->clks.p_state_change_support = true; clk_mgr->clks.prev_p_state_change_support = true; clk_mgr->clks.pwr_state = DCN_PWR_STATE_UNKNOWN; - clk_mgr->clks.z9_support = DCN_Z9_SUPPORT_UNKNOWN; + clk_mgr->clks.zstate_support = DCN_ZSTATE_SUPPORT_UNKNOWN; } static bool dcn31_are_clock_states_equal(struct dc_clocks *a, @@ -260,7 +300,7 @@ static bool dcn31_are_clock_states_equal(struct dc_clocks *a, return false; else if (a->dcfclk_deep_sleep_khz != b->dcfclk_deep_sleep_khz) return false; - else if (a->z9_support != b->z9_support) + else if (a->zstate_support != b->zstate_support) return false; else if (a->dtbclk_en != b->dtbclk_en) return false; @@ -592,6 +632,7 @@ void dcn31_clk_mgr_construct( clk_mgr->base.dprefclk_ss_percentage = 0; clk_mgr->base.dprefclk_ss_divider = 1000; clk_mgr->base.ss_on_dprefclk = false; + clk_mgr->base.dfs_ref_freq_khz = 48000; clk_mgr->smu_wm_set.wm_set = (struct dcn31_watermarks *)dm_helpers_allocate_gpu_mem( clk_mgr->base.base.ctx, diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.h index cc21cf75eafd..f8f100535526 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.h +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.h @@ -27,60 +27,6 @@ #define __DCN31_CLK_MGR_H__ #include "clk_mgr_internal.h" -//CLK1_CLK_PLL_REQ -#ifndef CLK11_CLK1_CLK_PLL_REQ__FbMult_int__SHIFT -#define CLK11_CLK1_CLK_PLL_REQ__FbMult_int__SHIFT 0x0 -#define CLK11_CLK1_CLK_PLL_REQ__PllSpineDiv__SHIFT 0xc -#define CLK11_CLK1_CLK_PLL_REQ__FbMult_frac__SHIFT 0x10 -#define CLK11_CLK1_CLK_PLL_REQ__FbMult_int_MASK 0x000001FFL -#define CLK11_CLK1_CLK_PLL_REQ__PllSpineDiv_MASK 0x0000F000L -#define CLK11_CLK1_CLK_PLL_REQ__FbMult_frac_MASK 0xFFFF0000L -//CLK1_CLK0_DFS_CNTL -#define CLK11_CLK1_CLK0_DFS_CNTL__CLK0_DIVIDER__SHIFT 0x0 -#define CLK11_CLK1_CLK0_DFS_CNTL__CLK0_DIVIDER_MASK 0x0000007FL -/*DPREF clock related*/ -#define CLK0_CLK3_DFS_CNTL__CLK3_DIVIDER__SHIFT 0x0 -#define CLK0_CLK3_DFS_CNTL__CLK3_DIVIDER_MASK 0x0000007FL -#define CLK1_CLK3_DFS_CNTL__CLK3_DIVIDER__SHIFT 0x0 -#define CLK1_CLK3_DFS_CNTL__CLK3_DIVIDER_MASK 0x0000007FL -#define CLK2_CLK3_DFS_CNTL__CLK3_DIVIDER__SHIFT 0x0 -#define CLK2_CLK3_DFS_CNTL__CLK3_DIVIDER_MASK 0x0000007FL -#define CLK3_CLK3_DFS_CNTL__CLK3_DIVIDER__SHIFT 0x0 -#define CLK3_CLK3_DFS_CNTL__CLK3_DIVIDER_MASK 0x0000007FL - -//CLK3_0_CLK3_CLK_PLL_REQ -#define CLK3_0_CLK3_CLK_PLL_REQ__FbMult_int__SHIFT 0x0 -#define CLK3_0_CLK3_CLK_PLL_REQ__PllSpineDiv__SHIFT 0xc -#define CLK3_0_CLK3_CLK_PLL_REQ__FbMult_frac__SHIFT 0x10 -#define CLK3_0_CLK3_CLK_PLL_REQ__FbMult_int_MASK 0x000001FFL -#define CLK3_0_CLK3_CLK_PLL_REQ__PllSpineDiv_MASK 0x0000F000L -#define CLK3_0_CLK3_CLK_PLL_REQ__FbMult_frac_MASK 0xFFFF0000L - -#define mmCLK0_CLK3_DFS_CNTL 0x16C60 -#define mmCLK00_CLK0_CLK3_DFS_CNTL 0x16C60 -#define mmCLK01_CLK0_CLK3_DFS_CNTL 0x16E60 -#define mmCLK02_CLK0_CLK3_DFS_CNTL 0x17060 -#define mmCLK03_CLK0_CLK3_DFS_CNTL 0x17260 - -#define mmCLK0_CLK_PLL_REQ 0x16C10 -#define mmCLK00_CLK0_CLK_PLL_REQ 0x16C10 -#define mmCLK01_CLK0_CLK_PLL_REQ 0x16E10 -#define mmCLK02_CLK0_CLK_PLL_REQ 0x17010 -#define mmCLK03_CLK0_CLK_PLL_REQ 0x17210 - -#define mmCLK1_CLK_PLL_REQ 0x1B00D -#define mmCLK10_CLK1_CLK_PLL_REQ 0x1B00D -#define mmCLK11_CLK1_CLK_PLL_REQ 0x1B20D -#define mmCLK12_CLK1_CLK_PLL_REQ 0x1B40D -#define mmCLK13_CLK1_CLK_PLL_REQ 0x1B60D - -#define mmCLK2_CLK_PLL_REQ 0x17E0D - -/*AMCLK*/ -#define mmCLK11_CLK1_CLK0_DFS_CNTL 0x1B23F -#define mmCLK11_CLK1_CLK_PLL_REQ 0x1B20D -#endif - struct dcn31_watermarks; struct dcn31_smu_watermark_set { diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 6da226bf11d5..9fb8c46dc606 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -1820,8 +1820,7 @@ bool perform_link_training_with_retries( */ panel_mode = DP_PANEL_MODE_DEFAULT; } - } else - panel_mode = DP_PANEL_MODE_DEFAULT; + } } #endif @@ -4650,7 +4649,10 @@ enum dp_panel_mode dp_get_panel_mode(struct dc_link *link) } } - if (link->dpcd_caps.panel_mode_edp) { + if (link->dpcd_caps.panel_mode_edp && + (link->connector_signal == SIGNAL_TYPE_EDP || + (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT && + link->is_internal_display))) { return DP_PANEL_MODE_EDP; } @@ -4914,9 +4916,7 @@ bool dc_link_set_default_brightness_aux(struct dc_link *link) { uint32_t default_backlight; - if (link && - (link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 1 || - link->dpcd_sink_ext_caps.bits.sdr_aux_backlight_control == 1)) { + if (link && link->dpcd_sink_ext_caps.bits.oled == 1) { if (!dc_link_read_default_bl_aux(link, &default_backlight)) default_backlight = 150000; // if < 5 nits or > 5000, it might be wrong readback diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index a6a67244a322..1596f6b7fed7 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -1062,7 +1062,7 @@ bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx) * so use only 30 bpp on DCE_VERSION_11_0. Testing with DCE 11.2 and 8.3 * did not show such problems, so this seems to be the exception. */ - if (plane_state->ctx->dce_version != DCE_VERSION_11_0) + if (plane_state->ctx->dce_version > DCE_VERSION_11_0) pipe_ctx->plane_res.scl_data.lb_params.depth = LB_PIXEL_DEPTH_36BPP; else pipe_ctx->plane_res.scl_data.lb_params.depth = LB_PIXEL_DEPTH_30BPP; diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 45640f1c26c4..8dcea8ff5c5a 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -354,10 +354,10 @@ enum dcn_pwr_state { }; #if defined(CONFIG_DRM_AMD_DC_DCN) -enum dcn_z9_support_state { - DCN_Z9_SUPPORT_UNKNOWN, - DCN_Z9_SUPPORT_ALLOW, - DCN_Z9_SUPPORT_DISALLOW, +enum dcn_zstate_support_state { + DCN_ZSTATE_SUPPORT_UNKNOWN, + DCN_ZSTATE_SUPPORT_ALLOW, + DCN_ZSTATE_SUPPORT_DISALLOW, }; #endif /* @@ -378,7 +378,7 @@ struct dc_clocks { int dramclk_khz; bool p_state_change_support; #if defined(CONFIG_DRM_AMD_DC_DCN) - enum dcn_z9_support_state z9_support; + enum dcn_zstate_support_state zstate_support; bool dtbclk_en; #endif enum dcn_pwr_state pwr_state; diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h b/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h index df6539e4c730..0464a8f3db3c 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h @@ -636,6 +636,7 @@ struct dce_hwseq_registers { uint32_t ODM_MEM_PWR_CTRL3; uint32_t DMU_MEM_PWR_CNTL; uint32_t MMHUBBUB_MEM_PWR_CNTL; + uint32_t DCHUBBUB_ARB_HOSTVM_CNTL; }; /* set field name */ #define HWS_SF(blk_name, reg_name, field_name, post_fix)\ @@ -1110,7 +1111,8 @@ struct dce_hwseq_registers { type DOMAIN_POWER_FORCEON;\ type DOMAIN_POWER_GATE;\ type DOMAIN_PGFSM_PWR_STATUS;\ - type HPO_HDMISTREAMCLK_G_GATE_DIS; + type HPO_HDMISTREAMCLK_G_GATE_DIS;\ + type DISABLE_HOSTVM_FORCE_ALLOW_PSTATE; struct dce_hwseq_shift { HWSEQ_REG_FIELD_LIST(uint8_t) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c index 673b93f4fea5..cb9767ddf93d 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c @@ -217,6 +217,8 @@ static void dpp1_dscl_set_lb( const struct line_buffer_params *lb_params, enum lb_memory_config mem_size_config) { + uint32_t max_partitions = 63; /* Currently hardcoded on all ASICs before DCN 3.2 */ + /* LB */ if (dpp->base.caps->dscl_data_proc_format == DSCL_DATA_PRCESSING_FIXED_FORMAT) { /* DSCL caps: pixel data processed in fixed format */ @@ -239,9 +241,12 @@ static void dpp1_dscl_set_lb( LB_DATA_FORMAT__ALPHA_EN, lb_params->alpha_en); /* Alpha enable */ } + if (dpp->base.caps->max_lb_partitions == 31) + max_partitions = 31; + REG_SET_2(LB_MEMORY_CTRL, 0, MEMORY_CONFIG, mem_size_config, - LB_MAX_PARTITIONS, 63); + LB_MAX_PARTITIONS, max_partitions); } static const uint16_t *dpp1_dscl_get_filter_coeffs_64p(int taps, struct fixed31_32 ratio) diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index 1b05a37b674d..b173fa3653b5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -2093,8 +2093,10 @@ int dcn20_populate_dml_pipes_from_context( - timing->v_border_bottom; pipes[pipe_cnt].pipe.dest.htotal = timing->h_total; pipes[pipe_cnt].pipe.dest.vtotal = v_total; - pipes[pipe_cnt].pipe.dest.hactive = timing->h_addressable; - pipes[pipe_cnt].pipe.dest.vactive = timing->v_addressable; + pipes[pipe_cnt].pipe.dest.hactive = + timing->h_addressable + timing->h_border_left + timing->h_border_right; + pipes[pipe_cnt].pipe.dest.vactive = + timing->v_addressable + timing->v_border_top + timing->v_border_bottom; pipes[pipe_cnt].pipe.dest.interlaced = timing->flags.INTERLACE; pipes[pipe_cnt].pipe.dest.pixel_rate_mhz = timing->pix_clk_100hz/10000.0; if (timing->timing_3d_format == TIMING_3D_FORMAT_HW_FRAME_PACKING) @@ -3079,6 +3081,37 @@ static bool is_dtbclk_required(struct dc *dc, struct dc_state *context) return false; } +static enum dcn_zstate_support_state decide_zstate_support(struct dc *dc, struct dc_state *context) +{ + int plane_count; + int i; + + plane_count = 0; + for (i = 0; i < dc->res_pool->pipe_count; i++) { + if (context->res_ctx.pipe_ctx[i].plane_state) + plane_count++; + } + + /* + * Zstate is allowed in following scenarios: + * 1. Single eDP with PSR enabled + * 2. 0 planes (No memory requests) + * 3. Single eDP without PSR but > 5ms stutter period + */ + if (plane_count == 0) + return DCN_ZSTATE_SUPPORT_ALLOW; + else if (context->stream_count == 1 && context->streams[0]->signal == SIGNAL_TYPE_EDP) { + struct dc_link *link = context->streams[0]->sink->link; + + if ((link->link_index == 0 && link->psr_settings.psr_feature_enabled) + || context->bw_ctx.dml.vba.StutterPeriod > 5000.0) + return DCN_ZSTATE_SUPPORT_ALLOW; + else + return DCN_ZSTATE_SUPPORT_DISALLOW; + } else + return DCN_ZSTATE_SUPPORT_DISALLOW; +} + void dcn20_calculate_dlg_params( struct dc *dc, struct dc_state *context, display_e2e_pipe_params_st *pipes, @@ -3086,7 +3119,6 @@ void dcn20_calculate_dlg_params( int vlevel) { int i, pipe_idx; - int plane_count; /* Writeback MCIF_WB arbitration parameters */ dc->res_pool->funcs->set_mcif_arb_params(dc, context, pipes, pipe_cnt); @@ -3102,17 +3134,7 @@ void dcn20_calculate_dlg_params( != dm_dram_clock_change_unsupported; context->bw_ctx.bw.dcn.clk.dppclk_khz = 0; - context->bw_ctx.bw.dcn.clk.z9_support = (context->bw_ctx.dml.vba.StutterPeriod > 5000.0) ? - DCN_Z9_SUPPORT_ALLOW : DCN_Z9_SUPPORT_DISALLOW; - - plane_count = 0; - for (i = 0; i < dc->res_pool->pipe_count; i++) { - if (context->res_ctx.pipe_ctx[i].plane_state) - plane_count++; - } - - if (plane_count == 0) - context->bw_ctx.bw.dcn.clk.z9_support = DCN_Z9_SUPPORT_ALLOW; + context->bw_ctx.bw.dcn.clk.zstate_support = decide_zstate_support(dc, context); context->bw_ctx.bw.dcn.clk.dtbclk_en = is_dtbclk_required(dc, context); diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c index f3d98e3ba624..bf0a198eae15 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c @@ -109,6 +109,7 @@ struct _vcs_dpi_ip_params_st dcn2_1_ip = { .max_page_table_levels = 4, .pte_chunk_size_kbytes = 2, .meta_chunk_size_kbytes = 2, + .min_meta_chunk_size_bytes = 256, .writeback_chunk_size_kbytes = 2, .line_buffer_size_bits = 789504, .is_line_buffer_bpp_fixed = 0, diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c index 2140b75540cf..23a52d47e61c 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c @@ -383,13 +383,6 @@ bool dpp3_get_optimal_number_of_taps( int min_taps_y, min_taps_c; enum lb_memory_config lb_config; - /* Some ASICs does not support FP16 scaling, so we reject modes require this*/ - if (scl_data->viewport.width != scl_data->h_active && - scl_data->viewport.height != scl_data->v_active && - dpp->caps->dscl_data_proc_format == DSCL_DATA_PRCESSING_FIXED_FORMAT && - scl_data->format == PIXEL_FORMAT_FP16) - return false; - if (scl_data->viewport.width > scl_data->h_active && dpp->ctx->dc->debug.max_downscale_src_width != 0 && scl_data->viewport.width > dpp->ctx->dc->debug.max_downscale_src_width) @@ -1440,15 +1433,6 @@ bool dpp3_construct( dpp->tf_shift = tf_shift; dpp->tf_mask = tf_mask; - dpp->lb_pixel_depth_supported = - LB_PIXEL_DEPTH_18BPP | - LB_PIXEL_DEPTH_24BPP | - LB_PIXEL_DEPTH_30BPP | - LB_PIXEL_DEPTH_36BPP; - - dpp->lb_bits_per_entry = LB_BITS_PER_ENTRY; - dpp->lb_memory_size = LB_TOTAL_NUMBER_OF_ENTRIES; /*0x1404*/ - return true; } diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.h b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.h index 3fa86cd090a0..ac644ae6b9f2 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.h +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.h @@ -154,6 +154,7 @@ SRI(COLOR_KEYER_BLUE, CNVC_CFG, id), \ SRI(CURSOR_CONTROL, CURSOR0_, id),\ SRI(OBUF_MEM_PWR_CTRL, DSCL, id),\ + SRI(DSCL_MEM_PWR_STATUS, DSCL, id), \ SRI(DSCL_MEM_PWR_CTRL, DSCL, id) #define DPP_REG_LIST_DCN30(id)\ @@ -163,8 +164,6 @@ SRI(CM_SHAPER_LUT_DATA, CM, id),\ SRI(CM_MEM_PWR_CTRL2, CM, id), \ SRI(CM_MEM_PWR_STATUS2, CM, id), \ - SRI(DSCL_MEM_PWR_STATUS, DSCL, id), \ - SRI(DSCL_MEM_PWR_CTRL, DSCL, id), \ SRI(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_B, CM, id),\ SRI(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_G, CM, id),\ SRI(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_R, CM, id),\ diff --git a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c index 16a75ba0ca82..7d3ff5d44402 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c @@ -1398,11 +1398,18 @@ void dcn302_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_param dcn3_02_soc.clock_limits[i].dispclk_mhz = max_dispclk_mhz; dcn3_02_soc.clock_limits[i].dppclk_mhz = max_dppclk_mhz; dcn3_02_soc.clock_limits[i].phyclk_mhz = max_phyclk_mhz; - dcn3_02_soc.clock_limits[i].dtbclk_mhz = dcn3_02_soc.clock_limits[0].dtbclk_mhz; + /* Populate from bw_params for DTBCLK, SOCCLK */ + if (!bw_params->clk_table.entries[i].dtbclk_mhz && i > 0) + dcn3_02_soc.clock_limits[i].dtbclk_mhz = dcn3_02_soc.clock_limits[i-1].dtbclk_mhz; + else + dcn3_02_soc.clock_limits[i].dtbclk_mhz = bw_params->clk_table.entries[i].dtbclk_mhz; + if (!bw_params->clk_table.entries[i].socclk_mhz && i > 0) + dcn3_02_soc.clock_limits[i].socclk_mhz = dcn3_02_soc.clock_limits[i-1].socclk_mhz; + else + dcn3_02_soc.clock_limits[i].socclk_mhz = bw_params->clk_table.entries[i].socclk_mhz; /* These clocks cannot come from bw_params, always fill from dcn3_02_soc[1] */ - /* FCLK, PHYCLK_D18, SOCCLK, DSCCLK */ + /* FCLK, PHYCLK_D18, DSCCLK */ dcn3_02_soc.clock_limits[i].phyclk_d18_mhz = dcn3_02_soc.clock_limits[0].phyclk_d18_mhz; - dcn3_02_soc.clock_limits[i].socclk_mhz = dcn3_02_soc.clock_limits[0].socclk_mhz; dcn3_02_soc.clock_limits[i].dscclk_mhz = dcn3_02_soc.clock_limits[0].dscclk_mhz; } /* re-init DML with updated bb */ diff --git a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c index 34b89464ae02..833ab13fa834 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c @@ -1326,11 +1326,18 @@ void dcn303_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_param dcn3_03_soc.clock_limits[i].dispclk_mhz = max_dispclk_mhz; dcn3_03_soc.clock_limits[i].dppclk_mhz = max_dppclk_mhz; dcn3_03_soc.clock_limits[i].phyclk_mhz = max_phyclk_mhz; - dcn3_03_soc.clock_limits[i].dtbclk_mhz = dcn3_03_soc.clock_limits[0].dtbclk_mhz; + /* Populate from bw_params for DTBCLK, SOCCLK */ + if (!bw_params->clk_table.entries[i].dtbclk_mhz && i > 0) + dcn3_03_soc.clock_limits[i].dtbclk_mhz = dcn3_03_soc.clock_limits[i-1].dtbclk_mhz; + else + dcn3_03_soc.clock_limits[i].dtbclk_mhz = bw_params->clk_table.entries[i].dtbclk_mhz; + if (!bw_params->clk_table.entries[i].socclk_mhz && i > 0) + dcn3_03_soc.clock_limits[i].socclk_mhz = dcn3_03_soc.clock_limits[i-1].socclk_mhz; + else + dcn3_03_soc.clock_limits[i].socclk_mhz = bw_params->clk_table.entries[i].socclk_mhz; /* These clocks cannot come from bw_params, always fill from dcn3_03_soc[1] */ - /* FCLK, PHYCLK_D18, SOCCLK, DSCCLK */ + /* FCLK, PHYCLK_D18, DSCCLK */ dcn3_03_soc.clock_limits[i].phyclk_d18_mhz = dcn3_03_soc.clock_limits[0].phyclk_d18_mhz; - dcn3_03_soc.clock_limits[i].socclk_mhz = dcn3_03_soc.clock_limits[0].socclk_mhz; dcn3_03_soc.clock_limits[i].dscclk_mhz = dcn3_03_soc.clock_limits[0].dscclk_mhz; } /* re-init DML with updated bb */ diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c index 836864a5a5dc..6ac6faf0c533 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c @@ -47,6 +47,7 @@ #include "dce/dmub_outbox.h" #include "dc_link_dp.h" #include "inc/link_dpcd.h" +#include "dcn10/dcn10_hw_sequencer.h" #define DC_LOGGER_INIT(logger) @@ -594,3 +595,20 @@ bool dcn31_is_abm_supported(struct dc *dc, } return false; } + +static void apply_riommu_invalidation_wa(struct dc *dc) +{ + struct dce_hwseq *hws = dc->hwseq; + + if (!hws->wa.early_riommu_invalidation) + return; + + REG_UPDATE(DCHUBBUB_ARB_HOSTVM_CNTL, DISABLE_HOSTVM_FORCE_ALLOW_PSTATE, 0); +} + +void dcn31_init_pipes(struct dc *dc, struct dc_state *context) +{ + dcn10_init_pipes(dc, context); + apply_riommu_invalidation_wa(dc); + +} diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h index ff72f0fdd5be..40dfebe78fdd 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h @@ -52,5 +52,6 @@ void dcn31_reset_hw_ctx_wrap( struct dc_state *context); bool dcn31_is_abm_supported(struct dc *dc, struct dc_state *context, struct dc_stream_state *stream); +void dcn31_init_pipes(struct dc *dc, struct dc_state *context); #endif /* __DC_HWSS_DCN31_H__ */ diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c index e3048f8827d2..aaf2dbd095fe 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c @@ -93,7 +93,6 @@ static const struct hw_sequencer_funcs dcn31_funcs = { .set_flip_control_gsl = dcn20_set_flip_control_gsl, .get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync, .calc_vupdate_position = dcn10_calc_vupdate_position, - .apply_idle_power_optimizations = dcn30_apply_idle_power_optimizations, .set_backlight_level = dcn21_set_backlight_level, .set_abm_immediate_disable = dcn21_set_abm_immediate_disable, .set_pipe = dcn21_set_pipe, @@ -104,7 +103,7 @@ static const struct hw_sequencer_funcs dcn31_funcs = { }; static const struct hwseq_private_funcs dcn31_private_funcs = { - .init_pipes = dcn10_init_pipes, + .init_pipes = dcn31_init_pipes, .update_plane_addr = dcn20_update_plane_addr, .plane_atomic_disconnect = dcn10_plane_atomic_disconnect, .update_mpcc = dcn20_update_mpcc, diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c index c67bc9544f5d..38c010afade1 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c @@ -220,6 +220,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_1_soc = { .sr_exit_z8_time_us = 402.0, .sr_enter_plus_exit_z8_time_us = 520.0, .writeback_latency_us = 12.0, + .dram_channel_width_bytes = 4, .round_trip_ping_latency_dcfclk_cycles = 106, .urgent_latency_pixel_data_only_us = 4.0, .urgent_latency_pixel_mixed_with_vm_data_us = 4.0, @@ -741,6 +742,7 @@ static const struct dccg_mask dccg_mask = { #define HWSEQ_DCN31_REG_LIST()\ SR(DCHUBBUB_GLOBAL_TIMER_CNTL), \ + SR(DCHUBBUB_ARB_HOSTVM_CNTL), \ SR(DIO_MEM_PWR_CTRL), \ SR(ODM_MEM_PWR_CTRL3), \ SR(DMU_MEM_PWR_CNTL), \ @@ -801,6 +803,7 @@ static const struct dce_hwseq_registers hwseq_reg = { #define HWSEQ_DCN31_MASK_SH_LIST(mask_sh)\ HWSEQ_DCN_MASK_SH_LIST(mask_sh), \ HWS_SF(, DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_REFDIV, mask_sh), \ + HWS_SF(, DCHUBBUB_ARB_HOSTVM_CNTL, DISABLE_HOSTVM_FORCE_ALLOW_PSTATE, mask_sh), \ HWS_SF(, DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh), \ HWS_SF(, DOMAIN0_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh), \ HWS_SF(, DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh), \ @@ -1299,6 +1302,7 @@ static struct dce_hwseq *dcn31_hwseq_create( hws->regs = &hwseq_reg; hws->shifts = &hwseq_shift; hws->masks = &hwseq_mask; + hws->wa.early_riommu_invalidation = true; } return hws; } diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c index c26e742e8137..6655bb99fdfd 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c @@ -841,6 +841,9 @@ static bool CalculatePrefetchSchedule( else *DestinationLinesForPrefetch = dst_y_prefetch_equ; + // Limit to prevent overflow in DST_Y_PREFETCH register + *DestinationLinesForPrefetch = dml_min(*DestinationLinesForPrefetch, 63.75); + dml_print("DML: VStartup: %d\n", VStartup); dml_print("DML: TCalc: %f\n", TCalc); dml_print("DML: TWait: %f\n", TWait); @@ -4889,7 +4892,7 @@ void dml21_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l } } while ((locals->PrefetchSupported[i][j] != true || locals->VRatioInPrefetchSupported[i][j] != true) && (mode_lib->vba.NextMaxVStartup != mode_lib->vba.MaxMaxVStartup[0][0] - || mode_lib->vba.NextPrefetchMode < mode_lib->vba.MaxPrefetchMode)); + || mode_lib->vba.NextPrefetchMode <= mode_lib->vba.MaxPrefetchMode)); if (locals->PrefetchSupported[i][j] == true && locals->VRatioInPrefetchSupported[i][j] == true) { mode_lib->vba.BandwidthAvailableForImmediateFlip = locals->ReturnBWPerState[i][0]; diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h b/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h index 2a0db2b03047..9ac9d5e8df8b 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h @@ -289,6 +289,9 @@ struct dpp_caps { /* DSCL processing pixel data in fixed or float format */ enum dscl_data_processing_format dscl_data_proc_format; + /* max LB partitions */ + unsigned int max_lb_partitions; + /* Calculates the number of partitions in the line buffer. * The implementation of this function is overloaded for * different versions of DSCL LB. diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer_private.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer_private.h index f7f7e4fff0c2..082549f75978 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer_private.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer_private.h @@ -41,6 +41,7 @@ struct dce_hwseq_wa { bool DEGVIDCN10_254; bool DEGVIDCN21; bool disallow_self_refresh_during_multi_plane_transition; + bool early_riommu_invalidation; }; struct hwseq_wa_state { diff --git a/drivers/gpu/drm/amd/pm/inc/aldebaran_ppsmc.h b/drivers/gpu/drm/amd/pm/inc/aldebaran_ppsmc.h index 610266088ff1..35fa0d8e92dd 100644 --- a/drivers/gpu/drm/amd/pm/inc/aldebaran_ppsmc.h +++ b/drivers/gpu/drm/amd/pm/inc/aldebaran_ppsmc.h @@ -101,7 +101,8 @@ #define PPSMC_MSG_SetSystemVirtualSTBtoDramAddrLow 0x41 #define PPSMC_MSG_GfxDriverResetRecovery 0x42 -#define PPSMC_Message_Count 0x43 +#define PPSMC_MSG_BoardPowerCalibration 0x43 +#define PPSMC_Message_Count 0x44 //PPSMC Reset Types #define PPSMC_RESET_TYPE_WARM_RESET 0x00 diff --git a/drivers/gpu/drm/amd/pm/inc/smu_types.h b/drivers/gpu/drm/amd/pm/inc/smu_types.h index 89a16dcd0fff..1d3765b873df 100644 --- a/drivers/gpu/drm/amd/pm/inc/smu_types.h +++ b/drivers/gpu/drm/amd/pm/inc/smu_types.h @@ -225,7 +225,8 @@ __SMU_DUMMY_MAP(DisableDeterminism), \ __SMU_DUMMY_MAP(SetUclkDpmMode), \ __SMU_DUMMY_MAP(LightSBR), \ - __SMU_DUMMY_MAP(GfxDriverResetRecovery), + __SMU_DUMMY_MAP(GfxDriverResetRecovery), \ + __SMU_DUMMY_MAP(BoardPowerCalibration), #undef __SMU_DUMMY_MAP #define __SMU_DUMMY_MAP(type) SMU_MSG_##type diff --git a/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h b/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h index 1962a5877191..f61b5c914a3d 100644 --- a/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h +++ b/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h @@ -34,7 +34,7 @@ #define SMU11_DRIVER_IF_VERSION_Navy_Flounder 0xE #define SMU11_DRIVER_IF_VERSION_VANGOGH 0x03 #define SMU11_DRIVER_IF_VERSION_Dimgrey_Cavefish 0xF -#define SMU11_DRIVER_IF_VERSION_Beige_Goby 0x9 +#define SMU11_DRIVER_IF_VERSION_Beige_Goby 0xD /* MP Apertures */ #define MP0_Public 0x03800000 diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c index 9316a726195c..cb5485cf243f 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c @@ -134,6 +134,7 @@ static const struct cmn2asic_msg_mapping aldebaran_message_map[SMU_MSG_MAX_COUNT MSG_MAP(DisableDeterminism, PPSMC_MSG_DisableDeterminism, 0), MSG_MAP(SetUclkDpmMode, PPSMC_MSG_SetUclkDpmMode, 0), MSG_MAP(GfxDriverResetRecovery, PPSMC_MSG_GfxDriverResetRecovery, 0), + MSG_MAP(BoardPowerCalibration, PPSMC_MSG_BoardPowerCalibration, 0), }; static const struct cmn2asic_mapping aldebaran_clk_map[SMU_CLK_COUNT] = { @@ -440,6 +441,39 @@ static int aldebaran_setup_pptable(struct smu_context *smu) return ret; } +static bool aldebaran_is_primary(struct smu_context *smu) +{ + struct amdgpu_device *adev = smu->adev; + + if (adev->smuio.funcs && adev->smuio.funcs->get_die_id) + return adev->smuio.funcs->get_die_id(adev) == 0; + + return true; +} + +static int aldebaran_run_board_btc(struct smu_context *smu) +{ + u32 smu_version; + int ret; + + if (!aldebaran_is_primary(smu)) + return 0; + + ret = smu_cmn_get_smc_version(smu, NULL, &smu_version); + if (ret) { + dev_err(smu->adev->dev, "Failed to get smu version!\n"); + return ret; + } + if (smu_version <= 0x00441d00) + return 0; + + ret = smu_cmn_send_smc_msg(smu, SMU_MSG_BoardPowerCalibration, NULL); + if (ret) + dev_err(smu->adev->dev, "Board power calibration failed!\n"); + + return ret; +} + static int aldebaran_run_btc(struct smu_context *smu) { int ret; @@ -447,6 +481,8 @@ static int aldebaran_run_btc(struct smu_context *smu) ret = smu_cmn_send_smc_msg(smu, SMU_MSG_RunDcBtc, NULL); if (ret) dev_err(smu->adev->dev, "RunDcBtc failed!\n"); + else + ret = aldebaran_run_board_btc(smu); return ret; } @@ -524,16 +560,6 @@ static int aldebaran_freqs_in_same_level(int32_t frequency1, return (abs(frequency1 - frequency2) <= EPSILON); } -static bool aldebaran_is_primary(struct smu_context *smu) -{ - struct amdgpu_device *adev = smu->adev; - - if (adev->smuio.funcs && adev->smuio.funcs->get_die_id) - return adev->smuio.funcs->get_die_id(adev) == 0; - - return true; -} - static int aldebaran_get_smu_metrics_data(struct smu_context *smu, MetricsMember_t member, uint32_t *value) diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 98ae00661656..f454e0424086 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -834,6 +834,9 @@ long drm_ioctl(struct file *filp, if (drm_dev_is_unplugged(dev)) return -ENODEV; + if (DRM_IOCTL_TYPE(cmd) != DRM_IOCTL_BASE) + return -ENOTTY; + is_driver_ioctl = nr >= DRM_COMMAND_BASE && nr < DRM_COMMAND_END; if (is_driver_ioctl) { diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 5b6922e28ef2..aa667fa71158 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -2166,7 +2166,8 @@ static void init_vbt_missing_defaults(struct drm_i915_private *i915) { enum port port; - int ports = PORT_A | PORT_B | PORT_C | PORT_D | PORT_E | PORT_F; + int ports = BIT(PORT_A) | BIT(PORT_B) | BIT(PORT_C) | + BIT(PORT_D) | BIT(PORT_E) | BIT(PORT_F); if (!HAS_DDI(i915) && !IS_CHERRYVIEW(i915)) return; diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 3bad4e00f7be..2d5d21740c25 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -11361,13 +11361,19 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv) intel_ddi_init(dev_priv, PORT_B); intel_ddi_init(dev_priv, PORT_C); vlv_dsi_init(dev_priv); - } else if (DISPLAY_VER(dev_priv) >= 9) { + } else if (DISPLAY_VER(dev_priv) == 10) { intel_ddi_init(dev_priv, PORT_A); intel_ddi_init(dev_priv, PORT_B); intel_ddi_init(dev_priv, PORT_C); intel_ddi_init(dev_priv, PORT_D); intel_ddi_init(dev_priv, PORT_E); intel_ddi_init(dev_priv, PORT_F); + } else if (DISPLAY_VER(dev_priv) >= 9) { + intel_ddi_init(dev_priv, PORT_A); + intel_ddi_init(dev_priv, PORT_B); + intel_ddi_init(dev_priv, PORT_C); + intel_ddi_init(dev_priv, PORT_D); + intel_ddi_init(dev_priv, PORT_E); } else if (HAS_DDI(dev_priv)) { u32 found; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index a8abc9af5ff4..4a6419d7be93 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -25,10 +25,8 @@ #include "i915_gem_clflush.h" #include "i915_gem_context.h" #include "i915_gem_ioctls.h" -#include "i915_sw_fence_work.h" #include "i915_trace.h" #include "i915_user_extensions.h" -#include "i915_memcpy.h" struct eb_vma { struct i915_vma *vma; @@ -1456,6 +1454,10 @@ static u32 *reloc_gpu(struct i915_execbuffer *eb, int err; struct intel_engine_cs *engine = eb->engine; + /* If we need to copy for the cmdparser, we will stall anyway */ + if (eb_use_cmdparser(eb)) + return ERR_PTR(-EWOULDBLOCK); + if (!reloc_can_use_engine(engine)) { engine = engine->gt->engine_class[COPY_ENGINE_CLASS][0]; if (!engine) @@ -2372,217 +2374,6 @@ shadow_batch_pin(struct i915_execbuffer *eb, return vma; } -struct eb_parse_work { - struct dma_fence_work base; - struct intel_engine_cs *engine; - struct i915_vma *batch; - struct i915_vma *shadow; - struct i915_vma *trampoline; - unsigned long batch_offset; - unsigned long batch_length; - unsigned long *jump_whitelist; - const void *batch_map; - void *shadow_map; -}; - -static int __eb_parse(struct dma_fence_work *work) -{ - struct eb_parse_work *pw = container_of(work, typeof(*pw), base); - int ret; - bool cookie; - - cookie = dma_fence_begin_signalling(); - ret = intel_engine_cmd_parser(pw->engine, - pw->batch, - pw->batch_offset, - pw->batch_length, - pw->shadow, - pw->jump_whitelist, - pw->shadow_map, - pw->batch_map); - dma_fence_end_signalling(cookie); - - return ret; -} - -static void __eb_parse_release(struct dma_fence_work *work) -{ - struct eb_parse_work *pw = container_of(work, typeof(*pw), base); - - if (!IS_ERR_OR_NULL(pw->jump_whitelist)) - kfree(pw->jump_whitelist); - - if (pw->batch_map) - i915_gem_object_unpin_map(pw->batch->obj); - else - i915_gem_object_unpin_pages(pw->batch->obj); - - i915_gem_object_unpin_map(pw->shadow->obj); - - if (pw->trampoline) - i915_active_release(&pw->trampoline->active); - i915_active_release(&pw->shadow->active); - i915_active_release(&pw->batch->active); -} - -static const struct dma_fence_work_ops eb_parse_ops = { - .name = "eb_parse", - .work = __eb_parse, - .release = __eb_parse_release, -}; - -static inline int -__parser_mark_active(struct i915_vma *vma, - struct intel_timeline *tl, - struct dma_fence *fence) -{ - struct intel_gt_buffer_pool_node *node = vma->private; - - return i915_active_ref(&node->active, tl->fence_context, fence); -} - -static int -parser_mark_active(struct eb_parse_work *pw, struct intel_timeline *tl) -{ - int err; - - mutex_lock(&tl->mutex); - - err = __parser_mark_active(pw->shadow, tl, &pw->base.dma); - if (err) - goto unlock; - - if (pw->trampoline) { - err = __parser_mark_active(pw->trampoline, tl, &pw->base.dma); - if (err) - goto unlock; - } - -unlock: - mutex_unlock(&tl->mutex); - return err; -} - -static int eb_parse_pipeline(struct i915_execbuffer *eb, - struct i915_vma *shadow, - struct i915_vma *trampoline) -{ - struct eb_parse_work *pw; - struct drm_i915_gem_object *batch = eb->batch->vma->obj; - bool needs_clflush; - int err; - - GEM_BUG_ON(overflows_type(eb->batch_start_offset, pw->batch_offset)); - GEM_BUG_ON(overflows_type(eb->batch_len, pw->batch_length)); - - pw = kzalloc(sizeof(*pw), GFP_KERNEL); - if (!pw) - return -ENOMEM; - - err = i915_active_acquire(&eb->batch->vma->active); - if (err) - goto err_free; - - err = i915_active_acquire(&shadow->active); - if (err) - goto err_batch; - - if (trampoline) { - err = i915_active_acquire(&trampoline->active); - if (err) - goto err_shadow; - } - - pw->shadow_map = i915_gem_object_pin_map(shadow->obj, I915_MAP_WB); - if (IS_ERR(pw->shadow_map)) { - err = PTR_ERR(pw->shadow_map); - goto err_trampoline; - } - - needs_clflush = - !(batch->cache_coherent & I915_BO_CACHE_COHERENT_FOR_READ); - - pw->batch_map = ERR_PTR(-ENODEV); - if (needs_clflush && i915_has_memcpy_from_wc()) - pw->batch_map = i915_gem_object_pin_map(batch, I915_MAP_WC); - - if (IS_ERR(pw->batch_map)) { - err = i915_gem_object_pin_pages(batch); - if (err) - goto err_unmap_shadow; - pw->batch_map = NULL; - } - - pw->jump_whitelist = - intel_engine_cmd_parser_alloc_jump_whitelist(eb->batch_len, - trampoline); - if (IS_ERR(pw->jump_whitelist)) { - err = PTR_ERR(pw->jump_whitelist); - goto err_unmap_batch; - } - - dma_fence_work_init(&pw->base, &eb_parse_ops); - - pw->engine = eb->engine; - pw->batch = eb->batch->vma; - pw->batch_offset = eb->batch_start_offset; - pw->batch_length = eb->batch_len; - pw->shadow = shadow; - pw->trampoline = trampoline; - - /* Mark active refs early for this worker, in case we get interrupted */ - err = parser_mark_active(pw, eb->context->timeline); - if (err) - goto err_commit; - - err = dma_resv_reserve_shared(pw->batch->resv, 1); - if (err) - goto err_commit; - - err = dma_resv_reserve_shared(shadow->resv, 1); - if (err) - goto err_commit; - - /* Wait for all writes (and relocs) into the batch to complete */ - err = i915_sw_fence_await_reservation(&pw->base.chain, - pw->batch->resv, NULL, false, - 0, I915_FENCE_GFP); - if (err < 0) - goto err_commit; - - /* Keep the batch alive and unwritten as we parse */ - dma_resv_add_shared_fence(pw->batch->resv, &pw->base.dma); - - /* Force execution to wait for completion of the parser */ - dma_resv_add_excl_fence(shadow->resv, &pw->base.dma); - - dma_fence_work_commit_imm(&pw->base); - return 0; - -err_commit: - i915_sw_fence_set_error_once(&pw->base.chain, err); - dma_fence_work_commit_imm(&pw->base); - return err; - -err_unmap_batch: - if (pw->batch_map) - i915_gem_object_unpin_map(batch); - else - i915_gem_object_unpin_pages(batch); -err_unmap_shadow: - i915_gem_object_unpin_map(shadow->obj); -err_trampoline: - if (trampoline) - i915_active_release(&trampoline->active); -err_shadow: - i915_active_release(&shadow->active); -err_batch: - i915_active_release(&eb->batch->vma->active); -err_free: - kfree(pw); - return err; -} - static struct i915_vma *eb_dispatch_secure(struct i915_execbuffer *eb, struct i915_vma *vma) { /* @@ -2672,7 +2463,15 @@ static int eb_parse(struct i915_execbuffer *eb) goto err_trampoline; } - err = eb_parse_pipeline(eb, shadow, trampoline); + err = dma_resv_reserve_shared(shadow->resv, 1); + if (err) + goto err_trampoline; + + err = intel_engine_cmd_parser(eb->engine, + eb->batch->vma, + eb->batch_start_offset, + eb->batch_len, + shadow, trampoline); if (err) goto err_unpin_batch; diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_execbuffer.c index 4df505e4c53a..16162fc2782d 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_execbuffer.c @@ -125,6 +125,10 @@ static int igt_gpu_reloc(void *arg) intel_gt_pm_get(&eb.i915->gt); for_each_uabi_engine(eb.engine, eb.i915) { + if (intel_engine_requires_cmd_parser(eb.engine) || + intel_engine_using_cmd_parser(eb.engine)) + continue; + reloc_cache_init(&eb.reloc_cache, eb.i915); memset(map, POISON_INUSE, 4096); diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index 98eb48c24c46..06024d321a1a 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -1977,6 +1977,21 @@ static int elsp_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, if (drm_WARN_ON(&i915->drm, !engine)) return -EINVAL; + /* + * Due to d3_entered is used to indicate skipping PPGTT invalidation on + * vGPU reset, it's set on D0->D3 on PCI config write, and cleared after + * vGPU reset if in resuming. + * In S0ix exit, the device power state also transite from D3 to D0 as + * S3 resume, but no vGPU reset (triggered by QEMU devic model). After + * S0ix exit, all engines continue to work. However the d3_entered + * remains set which will break next vGPU reset logic (miss the expected + * PPGTT invalidation). + * Engines can only work in D0. Thus the 1st elsp write gives GVT a + * chance to clear d3_entered. + */ + if (vgpu->d3_entered) + vgpu->d3_entered = false; + execlist = &vgpu->submission.execlist[engine->id]; execlist->elsp_dwords.data[3 - execlist->elsp_dwords.index] = data; diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c index 3992c25a191d..a3b4d99d64b9 100644 --- a/drivers/gpu/drm/i915/i915_cmd_parser.c +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c @@ -1145,19 +1145,41 @@ find_reg(const struct intel_engine_cs *engine, u32 addr) static u32 *copy_batch(struct drm_i915_gem_object *dst_obj, struct drm_i915_gem_object *src_obj, unsigned long offset, unsigned long length, - void *dst, const void *src) + bool *needs_clflush_after) { - bool needs_clflush = - !(src_obj->cache_coherent & I915_BO_CACHE_COHERENT_FOR_READ); - - if (src) { - GEM_BUG_ON(!needs_clflush); - i915_unaligned_memcpy_from_wc(dst, src + offset, length); - } else { - struct scatterlist *sg; + unsigned int src_needs_clflush; + unsigned int dst_needs_clflush; + void *dst, *src; + int ret; + + ret = i915_gem_object_prepare_write(dst_obj, &dst_needs_clflush); + if (ret) + return ERR_PTR(ret); + + dst = i915_gem_object_pin_map(dst_obj, I915_MAP_WB); + i915_gem_object_finish_access(dst_obj); + if (IS_ERR(dst)) + return dst; + + ret = i915_gem_object_prepare_read(src_obj, &src_needs_clflush); + if (ret) { + i915_gem_object_unpin_map(dst_obj); + return ERR_PTR(ret); + } + + src = ERR_PTR(-ENODEV); + if (src_needs_clflush && i915_has_memcpy_from_wc()) { + src = i915_gem_object_pin_map(src_obj, I915_MAP_WC); + if (!IS_ERR(src)) { + i915_unaligned_memcpy_from_wc(dst, + src + offset, + length); + i915_gem_object_unpin_map(src_obj); + } + } + if (IS_ERR(src)) { + unsigned long x, n, remain; void *ptr; - unsigned int x, sg_ofs; - unsigned long remain; /* * We can avoid clflushing partial cachelines before the write @@ -1168,40 +1190,34 @@ static u32 *copy_batch(struct drm_i915_gem_object *dst_obj, * validate up to the end of the batch. */ remain = length; - if (!(dst_obj->cache_coherent & I915_BO_CACHE_COHERENT_FOR_READ)) + if (dst_needs_clflush & CLFLUSH_BEFORE) remain = round_up(remain, boot_cpu_data.x86_clflush_size); ptr = dst; x = offset_in_page(offset); - sg = i915_gem_object_get_sg(src_obj, offset >> PAGE_SHIFT, &sg_ofs, false); - - while (remain) { - unsigned long sg_max = sg->length >> PAGE_SHIFT; - - for (; remain && sg_ofs < sg_max; sg_ofs++) { - unsigned long len = min(remain, PAGE_SIZE - x); - void *map; - - map = kmap_atomic(nth_page(sg_page(sg), sg_ofs)); - if (needs_clflush) - drm_clflush_virt_range(map + x, len); - memcpy(ptr, map + x, len); - kunmap_atomic(map); - - ptr += len; - remain -= len; - x = 0; - } - - sg_ofs = 0; - sg = sg_next(sg); + for (n = offset >> PAGE_SHIFT; remain; n++) { + int len = min(remain, PAGE_SIZE - x); + + src = kmap_atomic(i915_gem_object_get_page(src_obj, n)); + if (src_needs_clflush) + drm_clflush_virt_range(src + x, len); + memcpy(ptr, src + x, len); + kunmap_atomic(src); + + ptr += len; + remain -= len; + x = 0; } } + i915_gem_object_finish_access(src_obj); + memset32(dst + length, 0, (dst_obj->base.size - length) / sizeof(u32)); /* dst_obj is returned with vmap pinned */ + *needs_clflush_after = dst_needs_clflush & CLFLUSH_AFTER; + return dst; } @@ -1360,6 +1376,9 @@ static int check_bbstart(u32 *cmd, u32 offset, u32 length, if (target_cmd_index == offset) return 0; + if (IS_ERR(jump_whitelist)) + return PTR_ERR(jump_whitelist); + if (!test_bit(target_cmd_index, jump_whitelist)) { DRM_DEBUG("CMD: BB_START to 0x%llx not a previously executed cmd\n", jump_target); @@ -1369,28 +1388,10 @@ static int check_bbstart(u32 *cmd, u32 offset, u32 length, return 0; } -/** - * intel_engine_cmd_parser_alloc_jump_whitelist() - preallocate jump whitelist for intel_engine_cmd_parser() - * @batch_length: length of the commands in batch_obj - * @trampoline: Whether jump trampolines are used. - * - * Preallocates a jump whitelist for parsing the cmd buffer in intel_engine_cmd_parser(). - * This has to be preallocated, because the command parser runs in signaling context, - * and may not allocate any memory. - * - * Return: NULL or pointer to a jump whitelist, or ERR_PTR() on failure. Use - * IS_ERR() to check for errors. Must bre freed() with kfree(). - * - * NULL is a valid value, meaning no allocation was required. - */ -unsigned long *intel_engine_cmd_parser_alloc_jump_whitelist(u32 batch_length, - bool trampoline) +static unsigned long *alloc_whitelist(u32 batch_length) { unsigned long *jmp; - if (trampoline) - return NULL; - /* * We expect batch_length to be less than 256KiB for known users, * i.e. we need at most an 8KiB bitmap allocation which should be @@ -1415,9 +1416,7 @@ unsigned long *intel_engine_cmd_parser_alloc_jump_whitelist(u32 batch_length, * @batch_offset: byte offset in the batch at which execution starts * @batch_length: length of the commands in batch_obj * @shadow: validated copy of the batch buffer in question - * @jump_whitelist: buffer preallocated with intel_engine_cmd_parser_alloc_jump_whitelist() - * @shadow_map: mapping to @shadow vma - * @batch_map: mapping to @batch vma + * @trampoline: true if we need to trampoline into privileged execution * * Parses the specified batch buffer looking for privilege violations as * described in the overview. @@ -1425,21 +1424,21 @@ unsigned long *intel_engine_cmd_parser_alloc_jump_whitelist(u32 batch_length, * Return: non-zero if the parser finds violations or otherwise fails; -EACCES * if the batch appears legal but should use hardware parsing */ + int intel_engine_cmd_parser(struct intel_engine_cs *engine, struct i915_vma *batch, unsigned long batch_offset, unsigned long batch_length, struct i915_vma *shadow, - unsigned long *jump_whitelist, - void *shadow_map, - const void *batch_map) + bool trampoline) { u32 *cmd, *batch_end, offset = 0; struct drm_i915_cmd_descriptor default_desc = noop_desc; const struct drm_i915_cmd_descriptor *desc = &default_desc; + bool needs_clflush_after = false; + unsigned long *jump_whitelist; u64 batch_addr, shadow_addr; int ret = 0; - bool trampoline = !jump_whitelist; GEM_BUG_ON(!IS_ALIGNED(batch_offset, sizeof(*cmd))); GEM_BUG_ON(!IS_ALIGNED(batch_length, sizeof(*cmd))); @@ -1447,8 +1446,18 @@ int intel_engine_cmd_parser(struct intel_engine_cs *engine, batch->size)); GEM_BUG_ON(!batch_length); - cmd = copy_batch(shadow->obj, batch->obj, batch_offset, batch_length, - shadow_map, batch_map); + cmd = copy_batch(shadow->obj, batch->obj, + batch_offset, batch_length, + &needs_clflush_after); + if (IS_ERR(cmd)) { + DRM_DEBUG("CMD: Failed to copy batch\n"); + return PTR_ERR(cmd); + } + + jump_whitelist = NULL; + if (!trampoline) + /* Defer failure until attempted use */ + jump_whitelist = alloc_whitelist(batch_length); shadow_addr = gen8_canonical_addr(shadow->node.start); batch_addr = gen8_canonical_addr(batch->node.start + batch_offset); @@ -1549,6 +1558,9 @@ int intel_engine_cmd_parser(struct intel_engine_cs *engine, i915_gem_object_flush_map(shadow->obj); + if (!IS_ERR_OR_NULL(jump_whitelist)) + kfree(jump_whitelist); + i915_gem_object_unpin_map(shadow->obj); return ret; } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 38ff2fb89744..b30397b04529 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1906,17 +1906,12 @@ const char *i915_cache_level_str(struct drm_i915_private *i915, int type); int i915_cmd_parser_get_version(struct drm_i915_private *dev_priv); int intel_engine_init_cmd_parser(struct intel_engine_cs *engine); void intel_engine_cleanup_cmd_parser(struct intel_engine_cs *engine); -unsigned long *intel_engine_cmd_parser_alloc_jump_whitelist(u32 batch_length, - bool trampoline); - int intel_engine_cmd_parser(struct intel_engine_cs *engine, struct i915_vma *batch, unsigned long batch_offset, unsigned long batch_length, struct i915_vma *shadow, - unsigned long *jump_whitelist, - void *shadow_map, - const void *batch_map); + bool trampoline); #define I915_CMD_PARSER_TRAMPOLINE_SIZE 8 /* intel_device_info.c */ diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index 1014c71cf7f5..37aef1308573 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -1426,10 +1426,8 @@ i915_request_await_execution(struct i915_request *rq, do { fence = *child++; - if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) { - i915_sw_fence_set_error_once(&rq->submit, fence->error); + if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) continue; - } if (fence->context == rq->fence.context) continue; @@ -1527,10 +1525,8 @@ i915_request_await_dma_fence(struct i915_request *rq, struct dma_fence *fence) do { fence = *child++; - if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) { - i915_sw_fence_set_error_once(&rq->submit, fence->error); + if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) continue; - } /* * Requests on the same timeline are explicitly ordered, along diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c index 7eaa92fee421..e0a10f36acc1 100644 --- a/drivers/gpu/drm/i915/intel_device_info.c +++ b/drivers/gpu/drm/i915/intel_device_info.c @@ -325,7 +325,7 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv) info->pipe_mask &= ~BIT(PIPE_C); info->cpu_transcoder_mask &= ~BIT(TRANSCODER_C); } - } else if (HAS_DISPLAY(dev_priv) && GRAPHICS_VER(dev_priv) >= 9) { + } else if (HAS_DISPLAY(dev_priv) && DISPLAY_VER(dev_priv) >= 9) { u32 dfsm = intel_de_read(dev_priv, SKL_DFSM); if (dfsm & SKL_DFSM_PIPE_A_DISABLE) { @@ -340,7 +340,8 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv) info->pipe_mask &= ~BIT(PIPE_C); info->cpu_transcoder_mask &= ~BIT(TRANSCODER_C); } - if (GRAPHICS_VER(dev_priv) >= 12 && + + if (DISPLAY_VER(dev_priv) >= 12 && (dfsm & TGL_DFSM_PIPE_D_DISABLE)) { info->pipe_mask &= ~BIT(PIPE_D); info->cpu_transcoder_mask &= ~BIT(TRANSCODER_D); @@ -352,10 +353,10 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv) if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE) info->display.has_fbc = 0; - if (GRAPHICS_VER(dev_priv) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE)) + if (DISPLAY_VER(dev_priv) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE)) info->display.has_dmc = 0; - if (GRAPHICS_VER(dev_priv) >= 10 && + if (DISPLAY_VER(dev_priv) >= 10 && (dfsm & CNL_DFSM_DISPLAY_DSC_DISABLE)) info->display.has_dsc = 0; } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c index d01c4c919504..704dace895cb 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c @@ -296,7 +296,7 @@ static const struct dpu_mdp_cfg sc7180_mdp[] = { static const struct dpu_mdp_cfg sm8250_mdp[] = { { .name = "top_0", .id = MDP_TOP, - .base = 0x0, .len = 0x45C, + .base = 0x0, .len = 0x494, .features = 0, .highest_bank_bit = 0x3, /* TODO: 2 for LP_DDR4 */ .clk_ctrls[DPU_CLK_CTRL_VIG0] = { diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c index ca96e3514790..c0423e76eed7 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.c +++ b/drivers/gpu/drm/msm/dp/dp_catalog.c @@ -771,6 +771,7 @@ int dp_catalog_panel_timing_cfg(struct dp_catalog *dp_catalog) dp_write_link(catalog, REG_DP_HSYNC_VSYNC_WIDTH_POLARITY, dp_catalog->width_blanking); dp_write_link(catalog, REG_DP_ACTIVE_HOR_VER, dp_catalog->dp_active); + dp_write_p0(catalog, MMSS_DP_INTF_CONFIG, 0); return 0; } diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index ee221d835fa0..eaddfd739885 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -1526,7 +1526,7 @@ static int dp_ctrl_process_phy_test_request(struct dp_ctrl_private *ctrl) * running. Add the global reset just before disabling the * link clocks and core clocks. */ - ret = dp_ctrl_off(&ctrl->dp_ctrl); + ret = dp_ctrl_off_link_stream(&ctrl->dp_ctrl); if (ret) { DRM_ERROR("failed to disable DP controller\n"); return ret; diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 051c1be1de7e..867388a399ad 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -219,6 +219,7 @@ static int dp_display_bind(struct device *dev, struct device *master, goto end; } + dp->aux->drm_dev = drm; rc = dp_aux_register(dp->aux); if (rc) { DRM_ERROR("DRM DP AUX register failed\n"); @@ -1311,6 +1312,10 @@ static int dp_pm_resume(struct device *dev) else dp->dp_display.is_connected = false; + dp_display_handle_plugged_change(g_dp_display, + dp->dp_display.is_connected); + + mutex_unlock(&dp->event_mutex); return 0; diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c index eed2a762e9dd..bcaddbba564d 100644 --- a/drivers/gpu/drm/msm/msm_iommu.c +++ b/drivers/gpu/drm/msm/msm_iommu.c @@ -142,6 +142,9 @@ static const struct iommu_flush_ops null_tlb_ops = { .tlb_add_page = msm_iommu_tlb_add_page, }; +static int msm_fault_handler(struct iommu_domain *domain, struct device *dev, + unsigned long iova, int flags, void *arg); + struct msm_mmu *msm_iommu_pagetable_create(struct msm_mmu *parent) { struct adreno_smmu_priv *adreno_smmu = dev_get_drvdata(parent->dev); @@ -157,6 +160,13 @@ struct msm_mmu *msm_iommu_pagetable_create(struct msm_mmu *parent) if (!ttbr1_cfg) return ERR_PTR(-ENODEV); + /* + * Defer setting the fault handler until we have a valid adreno_smmu + * to avoid accidentially installing a GPU specific fault handler for + * the display's iommu + */ + iommu_set_fault_handler(iommu->domain, msm_fault_handler, iommu); + pagetable = kzalloc(sizeof(*pagetable), GFP_KERNEL); if (!pagetable) return ERR_PTR(-ENOMEM); @@ -300,7 +310,6 @@ struct msm_mmu *msm_iommu_new(struct device *dev, struct iommu_domain *domain) iommu->domain = domain; msm_mmu_init(&iommu->base, dev, &funcs, MSM_MMU_IOMMU); - iommu_set_fault_handler(domain, msm_fault_handler, iommu); atomic_set(&iommu->pagetables, 0); diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 4f3a5357dd56..6d07e653f82d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -149,6 +149,8 @@ nouveau_bo_del_ttm(struct ttm_buffer_object *bo) */ if (bo->base.dev) drm_gem_object_release(&bo->base); + else + dma_resv_fini(&bo->base._resv); kfree(nvbo); } @@ -330,6 +332,10 @@ nouveau_bo_new(struct nouveau_cli *cli, u64 size, int align, if (IS_ERR(nvbo)) return PTR_ERR(nvbo); + nvbo->bo.base.size = size; + dma_resv_init(&nvbo->bo.base._resv); + drm_vma_node_reset(&nvbo->bo.base.vma_node); + ret = nouveau_bo_init(nvbo, size, align, domain, sg, robj); if (ret) return ret; diff --git a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c index 2229f1af2ca8..46029c5610c8 100644 --- a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c +++ b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c @@ -447,7 +447,6 @@ static int rpi_touchscreen_remove(struct i2c_client *i2c) drm_panel_remove(&ts->base); mipi_dsi_device_unregister(ts->dsi); - kfree(ts->dsi); return 0; } diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 21939d4352cf..1b80290c2b53 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -4166,7 +4166,7 @@ static const struct drm_display_mode yes_optoelectronics_ytc700tlag_05_201c_mode static const struct panel_desc yes_optoelectronics_ytc700tlag_05_201c = { .modes = &yes_optoelectronics_ytc700tlag_05_201c_mode, .num_modes = 1, - .bpc = 6, + .bpc = 8, .size = { .width = 154, .height = 90, diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 1b950b45cf4b..8d7fd65ccced 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -102,6 +102,9 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo, return; } + if (!mem) + return; + man = ttm_manager_type(bdev, mem->mem_type); list_move_tail(&bo->lru, &man->lru[bo->priority]); diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 2f57f824e6db..763fa6f4e07d 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -63,6 +63,9 @@ int ttm_mem_io_reserve(struct ttm_device *bdev, void ttm_mem_io_free(struct ttm_device *bdev, struct ttm_resource *mem) { + if (!mem) + return; + if (!mem->bus.offset && !mem->bus.addr) return; diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c index 5f31acec3ad7..74e3b460132b 100644 --- a/drivers/gpu/drm/ttm/ttm_device.c +++ b/drivers/gpu/drm/ttm/ttm_device.c @@ -44,6 +44,8 @@ static unsigned ttm_glob_use_count; struct ttm_global ttm_glob; EXPORT_SYMBOL(ttm_glob); +struct dentry *ttm_debugfs_root; + static void ttm_global_release(void) { struct ttm_global *glob = &ttm_glob; @@ -53,6 +55,7 @@ static void ttm_global_release(void) goto out; ttm_pool_mgr_fini(); + debugfs_remove(ttm_debugfs_root); __free_page(glob->dummy_read_page); memset(glob, 0, sizeof(*glob)); @@ -73,6 +76,13 @@ static int ttm_global_init(void) si_meminfo(&si); + ttm_debugfs_root = debugfs_create_dir("ttm", NULL); + if (IS_ERR(ttm_debugfs_root)) { + ret = PTR_ERR(ttm_debugfs_root); + ttm_debugfs_root = NULL; + goto out; + } + /* Limit the number of pages in the pool to about 50% of the total * system memory. */ @@ -100,6 +110,10 @@ static int ttm_global_init(void) debugfs_create_atomic_t("buffer_objects", 0444, ttm_debugfs_root, &glob->bo_count); out: + if (ret && ttm_debugfs_root) + debugfs_remove(ttm_debugfs_root); + if (ret) + --ttm_glob_use_count; mutex_unlock(&ttm_global_mutex); return ret; } diff --git a/drivers/gpu/drm/ttm/ttm_module.c b/drivers/gpu/drm/ttm/ttm_module.c index 997c458f68a9..7fcdef278c74 100644 --- a/drivers/gpu/drm/ttm/ttm_module.c +++ b/drivers/gpu/drm/ttm/ttm_module.c @@ -72,22 +72,6 @@ pgprot_t ttm_prot_from_caching(enum ttm_caching caching, pgprot_t tmp) return tmp; } -struct dentry *ttm_debugfs_root; - -static int __init ttm_init(void) -{ - ttm_debugfs_root = debugfs_create_dir("ttm", NULL); - return 0; -} - -static void __exit ttm_exit(void) -{ - debugfs_remove(ttm_debugfs_root); -} - -module_init(ttm_init); -module_exit(ttm_exit); - MODULE_AUTHOR("Thomas Hellstrom, Jerome Glisse"); MODULE_DESCRIPTION("TTM memory manager subsystem (for DRM device)"); MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index aab1b36ceb3c..c2876731ee2d 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -1857,38 +1857,46 @@ static int vc4_hdmi_cec_init(struct vc4_hdmi *vc4_hdmi) vc4_hdmi_cec_update_clk_div(vc4_hdmi); if (vc4_hdmi->variant->external_irq_controller) { - ret = devm_request_threaded_irq(&pdev->dev, - platform_get_irq_byname(pdev, "cec-rx"), - vc4_cec_irq_handler_rx_bare, - vc4_cec_irq_handler_rx_thread, 0, - "vc4 hdmi cec rx", vc4_hdmi); + ret = request_threaded_irq(platform_get_irq_byname(pdev, "cec-rx"), + vc4_cec_irq_handler_rx_bare, + vc4_cec_irq_handler_rx_thread, 0, + "vc4 hdmi cec rx", vc4_hdmi); if (ret) goto err_delete_cec_adap; - ret = devm_request_threaded_irq(&pdev->dev, - platform_get_irq_byname(pdev, "cec-tx"), - vc4_cec_irq_handler_tx_bare, - vc4_cec_irq_handler_tx_thread, 0, - "vc4 hdmi cec tx", vc4_hdmi); + ret = request_threaded_irq(platform_get_irq_byname(pdev, "cec-tx"), + vc4_cec_irq_handler_tx_bare, + vc4_cec_irq_handler_tx_thread, 0, + "vc4 hdmi cec tx", vc4_hdmi); if (ret) - goto err_delete_cec_adap; + goto err_remove_cec_rx_handler; } else { HDMI_WRITE(HDMI_CEC_CPU_MASK_SET, 0xffffffff); - ret = devm_request_threaded_irq(&pdev->dev, platform_get_irq(pdev, 0), - vc4_cec_irq_handler, - vc4_cec_irq_handler_thread, 0, - "vc4 hdmi cec", vc4_hdmi); + ret = request_threaded_irq(platform_get_irq(pdev, 0), + vc4_cec_irq_handler, + vc4_cec_irq_handler_thread, 0, + "vc4 hdmi cec", vc4_hdmi); if (ret) goto err_delete_cec_adap; } ret = cec_register_adapter(vc4_hdmi->cec_adap, &pdev->dev); if (ret < 0) - goto err_delete_cec_adap; + goto err_remove_handlers; return 0; +err_remove_handlers: + if (vc4_hdmi->variant->external_irq_controller) + free_irq(platform_get_irq_byname(pdev, "cec-tx"), vc4_hdmi); + else + free_irq(platform_get_irq(pdev, 0), vc4_hdmi); + +err_remove_cec_rx_handler: + if (vc4_hdmi->variant->external_irq_controller) + free_irq(platform_get_irq_byname(pdev, "cec-rx"), vc4_hdmi); + err_delete_cec_adap: cec_delete_adapter(vc4_hdmi->cec_adap); @@ -1897,6 +1905,15 @@ err_delete_cec_adap: static void vc4_hdmi_cec_exit(struct vc4_hdmi *vc4_hdmi) { + struct platform_device *pdev = vc4_hdmi->pdev; + + if (vc4_hdmi->variant->external_irq_controller) { + free_irq(platform_get_irq_byname(pdev, "cec-rx"), vc4_hdmi); + free_irq(platform_get_irq_byname(pdev, "cec-tx"), vc4_hdmi); + } else { + free_irq(platform_get_irq(pdev, 0), vc4_hdmi); + } + cec_unregister_adapter(vc4_hdmi->cec_adap); } #else diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 160554903ef9..76937f716fbe 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -576,7 +576,7 @@ config HID_LOGITECH_HIDPP depends on HID_LOGITECH select POWER_SUPPLY help - Support for Logitech devices relyingon the HID++ Logitech specification + Support for Logitech devices relying on the HID++ Logitech specification Say Y if you want support for Logitech devices relying on the HID++ specification. Such devices are the various Logitech Touchpads (T650, diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c index 96e2577fa37e..8d68796aa905 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c @@ -58,7 +58,7 @@ static void amd_stop_sensor_v2(struct amd_mp2_dev *privdata, u16 sensor_idx) cmd_base.cmd_v2.sensor_id = sensor_idx; cmd_base.cmd_v2.length = 16; - writeq(0x0, privdata->mmio + AMD_C2P_MSG2); + writeq(0x0, privdata->mmio + AMD_C2P_MSG1); writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG0); } diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 6b8f0d004d34..dc6bd4299c54 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -501,6 +501,8 @@ static const struct hid_device_id apple_devices[] = { APPLE_RDESC_JIS }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI), .driver_data = APPLE_HAS_FN }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI), + .driver_data = APPLE_HAS_FN }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO), .driver_data = APPLE_HAS_FN }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO), diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c index fca8fc78a78a..fb807c8e989b 100644 --- a/drivers/hid/hid-asus.c +++ b/drivers/hid/hid-asus.c @@ -485,9 +485,6 @@ static void asus_kbd_backlight_set(struct led_classdev *led_cdev, { struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, cdev); - if (led->brightness == brightness) - return; - led->brightness = brightness; schedule_work(&led->work); } diff --git a/drivers/hid/hid-ft260.c b/drivers/hid/hid-ft260.c index f43a8406cb9a..4ef1c3b8094e 100644 --- a/drivers/hid/hid-ft260.c +++ b/drivers/hid/hid-ft260.c @@ -742,7 +742,7 @@ static int ft260_is_interface_enabled(struct hid_device *hdev) int ret; ret = ft260_get_system_config(hdev, &cfg); - if (ret) + if (ret < 0) return ret; ft260_dbg("interface: 0x%02x\n", interface); @@ -754,23 +754,16 @@ static int ft260_is_interface_enabled(struct hid_device *hdev) switch (cfg.chip_mode) { case FT260_MODE_ALL: case FT260_MODE_BOTH: - if (interface == 1) { + if (interface == 1) hid_info(hdev, "uart interface is not supported\n"); - return 0; - } - ret = 1; + else + ret = 1; break; case FT260_MODE_UART: - if (interface == 0) { - hid_info(hdev, "uart is unsupported on interface 0\n"); - ret = 0; - } + hid_info(hdev, "uart interface is not supported\n"); break; case FT260_MODE_I2C: - if (interface == 1) { - hid_info(hdev, "i2c is unsupported on interface 1\n"); - ret = 0; - } + ret = 1; break; } return ret; @@ -785,7 +778,7 @@ static int ft260_byte_show(struct hid_device *hdev, int id, u8 *cfg, int len, if (ret < 0) return ret; - return scnprintf(buf, PAGE_SIZE, "%hi\n", *field); + return scnprintf(buf, PAGE_SIZE, "%d\n", *field); } static int ft260_word_show(struct hid_device *hdev, int id, u8 *cfg, int len, @@ -797,7 +790,7 @@ static int ft260_word_show(struct hid_device *hdev, int id, u8 *cfg, int len, if (ret < 0) return ret; - return scnprintf(buf, PAGE_SIZE, "%hi\n", le16_to_cpu(*field)); + return scnprintf(buf, PAGE_SIZE, "%d\n", le16_to_cpu(*field)); } #define FT260_ATTR_SHOW(name, reptype, id, type, func) \ @@ -1004,11 +997,9 @@ err_hid_stop: static void ft260_remove(struct hid_device *hdev) { - int ret; struct ft260_device *dev = hid_get_drvdata(hdev); - ret = ft260_is_interface_enabled(hdev); - if (ret <= 0) + if (!dev) return; sysfs_remove_group(&hdev->dev.kobj, &ft260_attr_group); diff --git a/drivers/hid/intel-ish-hid/ishtp-hid-client.c b/drivers/hid/intel-ish-hid/ishtp-hid-client.c index 6b1fa971b33e..91bf4d01e91a 100644 --- a/drivers/hid/intel-ish-hid/ishtp-hid-client.c +++ b/drivers/hid/intel-ish-hid/ishtp-hid-client.c @@ -784,6 +784,17 @@ static void hid_ishtp_cl_reset_handler(struct work_struct *work) } } +static void hid_ishtp_cl_resume_handler(struct work_struct *work) +{ + struct ishtp_cl_data *client_data = container_of(work, struct ishtp_cl_data, resume_work); + struct ishtp_cl *hid_ishtp_cl = client_data->hid_ishtp_cl; + + if (ishtp_wait_resume(ishtp_get_ishtp_device(hid_ishtp_cl))) { + client_data->suspended = false; + wake_up_interruptible(&client_data->ishtp_resume_wait); + } +} + ishtp_print_log ishtp_hid_print_trace; /** @@ -822,6 +833,8 @@ static int hid_ishtp_cl_probe(struct ishtp_cl_device *cl_device) init_waitqueue_head(&client_data->ishtp_resume_wait); INIT_WORK(&client_data->work, hid_ishtp_cl_reset_handler); + INIT_WORK(&client_data->resume_work, hid_ishtp_cl_resume_handler); + ishtp_hid_print_trace = ishtp_trace_callback(cl_device); @@ -921,7 +934,7 @@ static int hid_ishtp_cl_resume(struct device *device) hid_ishtp_trace(client_data, "%s hid_ishtp_cl %p\n", __func__, hid_ishtp_cl); - client_data->suspended = false; + schedule_work(&client_data->resume_work); return 0; } diff --git a/drivers/hid/intel-ish-hid/ishtp-hid.h b/drivers/hid/intel-ish-hid/ishtp-hid.h index f88443a7d935..6a5cc11aefd8 100644 --- a/drivers/hid/intel-ish-hid/ishtp-hid.h +++ b/drivers/hid/intel-ish-hid/ishtp-hid.h @@ -135,6 +135,7 @@ struct ishtp_cl_data { int multi_packet_cnt; struct work_struct work; + struct work_struct resume_work; struct ishtp_cl_device *cl_device; }; diff --git a/drivers/hid/intel-ish-hid/ishtp/bus.c b/drivers/hid/intel-ish-hid/ishtp/bus.c index f0802b047ed8..aa2c51624012 100644 --- a/drivers/hid/intel-ish-hid/ishtp/bus.c +++ b/drivers/hid/intel-ish-hid/ishtp/bus.c @@ -314,13 +314,6 @@ static int ishtp_cl_device_resume(struct device *dev) if (!device) return 0; - /* - * When ISH needs hard reset, it is done asynchrnously, hence bus - * resume will be called before full ISH resume - */ - if (device->ishtp_dev->resume_flag) - return 0; - driver = to_ishtp_cl_driver(dev->driver); if (driver && driver->driver.pm) { if (driver->driver.pm->resume) @@ -850,6 +843,28 @@ struct device *ishtp_device(struct ishtp_cl_device *device) EXPORT_SYMBOL(ishtp_device); /** + * ishtp_wait_resume() - Wait for IPC resume + * + * Wait for IPC resume + * + * Return: resume complete or not + */ +bool ishtp_wait_resume(struct ishtp_device *dev) +{ + /* 50ms to get resume response */ + #define WAIT_FOR_RESUME_ACK_MS 50 + + /* Waiting to get resume response */ + if (dev->resume_flag) + wait_event_interruptible_timeout(dev->resume_wait, + !dev->resume_flag, + msecs_to_jiffies(WAIT_FOR_RESUME_ACK_MS)); + + return (!dev->resume_flag); +} +EXPORT_SYMBOL_GPL(ishtp_wait_resume); + +/** * ishtp_get_pci_device() - Return PCI device dev pointer * This interface is used to return PCI device pointer * from ishtp_cl_device instance. diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig index dcf3a235870f..7c2032f7f44d 100644 --- a/drivers/hid/usbhid/Kconfig +++ b/drivers/hid/usbhid/Kconfig @@ -38,7 +38,7 @@ config USB_HIDDEV help Say Y here if you want to support HID devices (from the USB specification standpoint) that aren't strictly user interface - devices, like monitor controls and Uninterruptable Power Supplies. + devices, like monitor controls and Uninterruptible Power Supplies. This module supports these devices separately using a separate event interface on /dev/usb/hiddevX (char 180:96 to 180:111). diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 81d7d12bcf34..81ba642adcb7 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -2548,6 +2548,9 @@ static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac, int slot; slot = input_mt_get_slot_by_key(input, hid_data->id); + if (slot < 0) + return; + input_mt_slot(input, slot); input_mt_report_slot_state(input, MT_TOOL_FINGER, prox); } @@ -3831,7 +3834,7 @@ int wacom_setup_touch_input_capabilities(struct input_dev *input_dev, wacom_wac->shared->touch->product == 0xF6) { input_dev->evbit[0] |= BIT_MASK(EV_SW); __set_bit(SW_MUTE_DEVICE, input_dev->swbit); - wacom_wac->shared->has_mute_touch_switch = true; + wacom_wac->has_mute_touch_switch = true; } fallthrough; diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index caf6d0c4bc1b..142308526ec6 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -605,6 +605,17 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel) */ mutex_lock(&vmbus_connection.channel_mutex); + list_for_each_entry(channel, &vmbus_connection.chn_list, listentry) { + if (guid_equal(&channel->offermsg.offer.if_type, + &newchannel->offermsg.offer.if_type) && + guid_equal(&channel->offermsg.offer.if_instance, + &newchannel->offermsg.offer.if_instance)) { + fnew = false; + newchannel->primary_channel = channel; + break; + } + } + init_vp_index(newchannel); /* Remember the channels that should be cleaned up upon suspend. */ @@ -617,16 +628,6 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel) */ atomic_dec(&vmbus_connection.offer_in_progress); - list_for_each_entry(channel, &vmbus_connection.chn_list, listentry) { - if (guid_equal(&channel->offermsg.offer.if_type, - &newchannel->offermsg.offer.if_type) && - guid_equal(&channel->offermsg.offer.if_instance, - &newchannel->offermsg.offer.if_instance)) { - fnew = false; - break; - } - } - if (fnew) { list_add_tail(&newchannel->listentry, &vmbus_connection.chn_list); @@ -647,7 +648,6 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel) /* * Process the sub-channel. */ - newchannel->primary_channel = channel; list_add_tail(&newchannel->sc_list, &channel->sc_list); } @@ -684,6 +684,30 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel) } /* + * Check if CPUs used by other channels of the same device. + * It should only be called by init_vp_index(). + */ +static bool hv_cpuself_used(u32 cpu, struct vmbus_channel *chn) +{ + struct vmbus_channel *primary = chn->primary_channel; + struct vmbus_channel *sc; + + lockdep_assert_held(&vmbus_connection.channel_mutex); + + if (!primary) + return false; + + if (primary->target_cpu == cpu) + return true; + + list_for_each_entry(sc, &primary->sc_list, sc_list) + if (sc != chn && sc->target_cpu == cpu) + return true; + + return false; +} + +/* * We use this state to statically distribute the channel interrupt load. */ static int next_numa_node_id; @@ -702,6 +726,7 @@ static int next_numa_node_id; static void init_vp_index(struct vmbus_channel *channel) { bool perf_chn = hv_is_perf_channel(channel); + u32 i, ncpu = num_online_cpus(); cpumask_var_t available_mask; struct cpumask *alloced_mask; u32 target_cpu; @@ -724,31 +749,38 @@ static void init_vp_index(struct vmbus_channel *channel) return; } - while (true) { - numa_node = next_numa_node_id++; - if (numa_node == nr_node_ids) { - next_numa_node_id = 0; - continue; + for (i = 1; i <= ncpu + 1; i++) { + while (true) { + numa_node = next_numa_node_id++; + if (numa_node == nr_node_ids) { + next_numa_node_id = 0; + continue; + } + if (cpumask_empty(cpumask_of_node(numa_node))) + continue; + break; + } + alloced_mask = &hv_context.hv_numa_map[numa_node]; + + if (cpumask_weight(alloced_mask) == + cpumask_weight(cpumask_of_node(numa_node))) { + /* + * We have cycled through all the CPUs in the node; + * reset the alloced map. + */ + cpumask_clear(alloced_mask); } - if (cpumask_empty(cpumask_of_node(numa_node))) - continue; - break; - } - alloced_mask = &hv_context.hv_numa_map[numa_node]; - if (cpumask_weight(alloced_mask) == - cpumask_weight(cpumask_of_node(numa_node))) { - /* - * We have cycled through all the CPUs in the node; - * reset the alloced map. - */ - cpumask_clear(alloced_mask); - } + cpumask_xor(available_mask, alloced_mask, + cpumask_of_node(numa_node)); - cpumask_xor(available_mask, alloced_mask, cpumask_of_node(numa_node)); + target_cpu = cpumask_first(available_mask); + cpumask_set_cpu(target_cpu, alloced_mask); - target_cpu = cpumask_first(available_mask); - cpumask_set_cpu(target_cpu, alloced_mask); + if (channel->offermsg.offer.sub_channel_index >= ncpu || + i > ncpu || !hv_cpuself_used(target_cpu, channel)) + break; + } channel->target_cpu = target_cpu; diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 6d5014ebaab5..a6ea1eb1394e 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -635,8 +635,8 @@ static irqreturn_t mpc_i2c_isr(int irq, void *dev_id) status = readb(i2c->base + MPC_I2C_SR); if (status & CSR_MIF) { - /* Read again to allow register to stabilise */ - status = readb(i2c->base + MPC_I2C_SR); + /* Wait up to 100us for transfer to properly complete */ + readb_poll_timeout(i2c->base + MPC_I2C_SR, status, !(status & CSR_MCF), 0, 100); writeb(0, i2c->base + MPC_I2C_SR); mpc_i2c_do_intr(i2c, status); return IRQ_HANDLED; diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index d5674026512a..a8688a92c760 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -120,6 +120,7 @@ static int bnxt_re_setup_chip_ctx(struct bnxt_re_dev *rdev, u8 wqe_mode) if (!chip_ctx) return -ENOMEM; chip_ctx->chip_num = bp->chip_num; + chip_ctx->hw_stats_size = bp->hw_ring_stats_size; rdev->chip_ctx = chip_ctx; /* rest members to follow eventually */ @@ -550,6 +551,7 @@ static int bnxt_re_net_stats_ctx_alloc(struct bnxt_re_dev *rdev, dma_addr_t dma_map, u32 *fw_stats_ctx_id) { + struct bnxt_qplib_chip_ctx *chip_ctx = rdev->chip_ctx; struct hwrm_stat_ctx_alloc_output resp = {0}; struct hwrm_stat_ctx_alloc_input req = {0}; struct bnxt_en_dev *en_dev = rdev->en_dev; @@ -566,7 +568,7 @@ static int bnxt_re_net_stats_ctx_alloc(struct bnxt_re_dev *rdev, bnxt_re_init_hwrm_hdr(rdev, (void *)&req, HWRM_STAT_CTX_ALLOC, -1, -1); req.update_period_ms = cpu_to_le32(1000); req.stats_dma_addr = cpu_to_le64(dma_map); - req.stats_dma_length = cpu_to_le16(sizeof(struct ctx_hw_stats_ext)); + req.stats_dma_length = cpu_to_le16(chip_ctx->hw_stats_size); req.stat_ctx_flags = STAT_CTX_ALLOC_REQ_STAT_CTX_FLAGS_ROCE; bnxt_re_fill_fw_msg(&fw_msg, (void *)&req, sizeof(req), (void *)&resp, sizeof(resp), DFLT_HWRM_CMD_TIMEOUT); diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c index 17f0701b3cee..44282a8cdd4f 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c @@ -56,6 +56,7 @@ static void bnxt_qplib_free_stats_ctx(struct pci_dev *pdev, struct bnxt_qplib_stats *stats); static int bnxt_qplib_alloc_stats_ctx(struct pci_dev *pdev, + struct bnxt_qplib_chip_ctx *cctx, struct bnxt_qplib_stats *stats); /* PBL */ @@ -559,7 +560,7 @@ int bnxt_qplib_alloc_ctx(struct bnxt_qplib_res *res, goto fail; stats_alloc: /* Stats */ - rc = bnxt_qplib_alloc_stats_ctx(res->pdev, &ctx->stats); + rc = bnxt_qplib_alloc_stats_ctx(res->pdev, res->cctx, &ctx->stats); if (rc) goto fail; @@ -889,15 +890,12 @@ static void bnxt_qplib_free_stats_ctx(struct pci_dev *pdev, } static int bnxt_qplib_alloc_stats_ctx(struct pci_dev *pdev, + struct bnxt_qplib_chip_ctx *cctx, struct bnxt_qplib_stats *stats) { memset(stats, 0, sizeof(*stats)); stats->fw_id = -1; - /* 128 byte aligned context memory is required only for 57500. - * However making this unconditional, it does not harm previous - * generation. - */ - stats->size = ALIGN(sizeof(struct ctx_hw_stats), 128); + stats->size = cctx->hw_stats_size; stats->dma = dma_alloc_coherent(&pdev->dev, stats->size, &stats->dma_map, GFP_KERNEL); if (!stats->dma) { diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h index c291f495ae91..91031502e8f5 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h @@ -54,6 +54,7 @@ struct bnxt_qplib_chip_ctx { u16 chip_num; u8 chip_rev; u8 chip_metal; + u16 hw_stats_size; struct bnxt_qplib_drv_modes modes; }; diff --git a/drivers/infiniband/hw/irdma/ctrl.c b/drivers/infiniband/hw/irdma/ctrl.c index b1023a7d0bd1..f1e5515256e0 100644 --- a/drivers/infiniband/hw/irdma/ctrl.c +++ b/drivers/infiniband/hw/irdma/ctrl.c @@ -2845,7 +2845,7 @@ static u64 irdma_sc_decode_fpm_commit(struct irdma_sc_dev *dev, __le64 *buf, * parses fpm commit info and copy base value * of hmc objects in hmc_info */ -static enum irdma_status_code +static void irdma_sc_parse_fpm_commit_buf(struct irdma_sc_dev *dev, __le64 *buf, struct irdma_hmc_obj_info *info, u32 *sd) { @@ -2915,7 +2915,6 @@ irdma_sc_parse_fpm_commit_buf(struct irdma_sc_dev *dev, __le64 *buf, else *sd = (u32)(size >> 21); - return 0; } /** @@ -4187,11 +4186,9 @@ enum irdma_status_code irdma_sc_get_next_aeqe(struct irdma_sc_aeq *aeq, * @dev: sc device struct * @count: allocate count */ -enum irdma_status_code irdma_sc_repost_aeq_entries(struct irdma_sc_dev *dev, u32 count) +void irdma_sc_repost_aeq_entries(struct irdma_sc_dev *dev, u32 count) { writel(count, dev->hw_regs[IRDMA_AEQALLOC]); - - return 0; } /** @@ -4434,9 +4431,9 @@ static enum irdma_status_code irdma_sc_cfg_iw_fpm(struct irdma_sc_dev *dev, ret_code = irdma_sc_commit_fpm_val(dev->cqp, 0, hmc_info->hmc_fn_id, &commit_fpm_mem, true, wait_type); if (!ret_code) - ret_code = irdma_sc_parse_fpm_commit_buf(dev, dev->fpm_commit_buf, - hmc_info->hmc_obj, - &hmc_info->sd_table.sd_cnt); + irdma_sc_parse_fpm_commit_buf(dev, dev->fpm_commit_buf, + hmc_info->hmc_obj, + &hmc_info->sd_table.sd_cnt); print_hex_dump_debug("HMC: COMMIT FPM BUFFER", DUMP_PREFIX_OFFSET, 16, 8, commit_fpm_mem.va, IRDMA_COMMIT_FPM_BUF_SIZE, false); diff --git a/drivers/infiniband/hw/irdma/hw.c b/drivers/infiniband/hw/irdma/hw.c index 7afb8a6a0526..00de5ee9a260 100644 --- a/drivers/infiniband/hw/irdma/hw.c +++ b/drivers/infiniband/hw/irdma/hw.c @@ -1920,7 +1920,7 @@ enum irdma_status_code irdma_ctrl_init_hw(struct irdma_pci_f *rf) * irdma_set_hw_rsrc - set hw memory resources. * @rf: RDMA PCI function */ -static u32 irdma_set_hw_rsrc(struct irdma_pci_f *rf) +static void irdma_set_hw_rsrc(struct irdma_pci_f *rf) { rf->allocated_qps = (void *)(rf->mem_rsrc + (sizeof(struct irdma_arp_entry) * rf->arp_table_size)); @@ -1937,8 +1937,6 @@ static u32 irdma_set_hw_rsrc(struct irdma_pci_f *rf) spin_lock_init(&rf->arp_lock); spin_lock_init(&rf->qptable_lock); spin_lock_init(&rf->qh_list_lock); - - return 0; } /** @@ -2000,9 +1998,7 @@ u32 irdma_initialize_hw_rsrc(struct irdma_pci_f *rf) rf->arp_table = (struct irdma_arp_entry *)rf->mem_rsrc; - ret = irdma_set_hw_rsrc(rf); - if (ret) - goto set_hw_rsrc_fail; + irdma_set_hw_rsrc(rf); set_bit(0, rf->allocated_mrs); set_bit(0, rf->allocated_qps); @@ -2025,9 +2021,6 @@ u32 irdma_initialize_hw_rsrc(struct irdma_pci_f *rf) return 0; -set_hw_rsrc_fail: - kfree(rf->mem_rsrc); - rf->mem_rsrc = NULL; mem_rsrc_kzalloc_fail: kfree(rf->allocated_ws_nodes); rf->allocated_ws_nodes = NULL; diff --git a/drivers/infiniband/hw/irdma/main.c b/drivers/infiniband/hw/irdma/main.c index ea59432351fb..51a41359e0b4 100644 --- a/drivers/infiniband/hw/irdma/main.c +++ b/drivers/infiniband/hw/irdma/main.c @@ -215,10 +215,10 @@ static void irdma_remove(struct auxiliary_device *aux_dev) pr_debug("INIT: Gen2 PF[%d] device remove success\n", PCI_FUNC(pf->pdev->devfn)); } -static void irdma_fill_device_info(struct irdma_device *iwdev, struct ice_pf *pf) +static void irdma_fill_device_info(struct irdma_device *iwdev, struct ice_pf *pf, + struct ice_vsi *vsi) { struct irdma_pci_f *rf = iwdev->rf; - struct ice_vsi *vsi = ice_get_main_vsi(pf); rf->cdev = pf; rf->gen_ops.register_qset = irdma_lan_register_qset; @@ -253,12 +253,15 @@ static int irdma_probe(struct auxiliary_device *aux_dev, const struct auxiliary_ struct iidc_auxiliary_dev, adev); struct ice_pf *pf = iidc_adev->pf; + struct ice_vsi *vsi = ice_get_main_vsi(pf); struct iidc_qos_params qos_info = {}; struct irdma_device *iwdev; struct irdma_pci_f *rf; struct irdma_l2params l2params = {}; int err; + if (!vsi) + return -EIO; iwdev = ib_alloc_device(irdma_device, ibdev); if (!iwdev) return -ENOMEM; @@ -268,7 +271,7 @@ static int irdma_probe(struct auxiliary_device *aux_dev, const struct auxiliary_ return -ENOMEM; } - irdma_fill_device_info(iwdev, pf); + irdma_fill_device_info(iwdev, pf, vsi); rf = iwdev->rf; if (irdma_ctrl_init_hw(rf)) { diff --git a/drivers/infiniband/hw/irdma/type.h b/drivers/infiniband/hw/irdma/type.h index 7387b83e826d..874bc25a938b 100644 --- a/drivers/infiniband/hw/irdma/type.h +++ b/drivers/infiniband/hw/irdma/type.h @@ -1222,8 +1222,7 @@ enum irdma_status_code irdma_sc_aeq_init(struct irdma_sc_aeq *aeq, struct irdma_aeq_init_info *info); enum irdma_status_code irdma_sc_get_next_aeqe(struct irdma_sc_aeq *aeq, struct irdma_aeqe_info *info); -enum irdma_status_code irdma_sc_repost_aeq_entries(struct irdma_sc_dev *dev, - u32 count); +void irdma_sc_repost_aeq_entries(struct irdma_sc_dev *dev, u32 count); void irdma_sc_pd_init(struct irdma_sc_dev *dev, struct irdma_sc_pd *pd, u32 pd_id, int abi_ver); diff --git a/drivers/infiniband/hw/irdma/uk.c b/drivers/infiniband/hw/irdma/uk.c index a6d52c20091c..5fb92de1f015 100644 --- a/drivers/infiniband/hw/irdma/uk.c +++ b/drivers/infiniband/hw/irdma/uk.c @@ -931,7 +931,7 @@ enum irdma_status_code irdma_uk_mw_bind(struct irdma_qp_uk *qp, enum irdma_status_code irdma_uk_post_receive(struct irdma_qp_uk *qp, struct irdma_post_rq_info *info) { - u32 total_size = 0, wqe_idx, i, byte_off; + u32 wqe_idx, i, byte_off; u32 addl_frag_cnt; __le64 *wqe; u64 hdr; @@ -939,9 +939,6 @@ enum irdma_status_code irdma_uk_post_receive(struct irdma_qp_uk *qp, if (qp->max_rq_frag_cnt < info->num_sges) return IRDMA_ERR_INVALID_FRAG_COUNT; - for (i = 0; i < info->num_sges; i++) - total_size += info->sg_list[i].len; - wqe = irdma_qp_get_next_recv_wqe(qp, &wqe_idx); if (!wqe) return IRDMA_ERR_QP_TOOMANY_WRS_POSTED; diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index 9712f6902ba8..717147ed0519 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -557,7 +557,7 @@ static int irdma_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata) * @iwqp: qp ptr * @init_info: initialize info to return */ -static int irdma_setup_virt_qp(struct irdma_device *iwdev, +static void irdma_setup_virt_qp(struct irdma_device *iwdev, struct irdma_qp *iwqp, struct irdma_qp_init_info *init_info) { @@ -574,8 +574,6 @@ static int irdma_setup_virt_qp(struct irdma_device *iwdev, init_info->sq_pa = qpmr->sq_pbl.addr; init_info->rq_pa = qpmr->rq_pbl.addr; } - - return 0; } /** @@ -914,7 +912,7 @@ static struct ib_qp *irdma_create_qp(struct ib_pd *ibpd, } } init_info.qp_uk_init_info.abi_ver = iwpd->sc_pd.abi_ver; - err_code = irdma_setup_virt_qp(iwdev, iwqp, &init_info); + irdma_setup_virt_qp(iwdev, iwqp, &init_info); } else { init_info.qp_uk_init_info.abi_ver = IRDMA_ABI_VER; err_code = irdma_setup_kmode_qp(iwdev, iwqp, &init_info, init_attr); diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c index 6aabcb4de235..be4bcb420fab 100644 --- a/drivers/infiniband/sw/rxe/rxe_mr.c +++ b/drivers/infiniband/sw/rxe/rxe_mr.c @@ -113,13 +113,14 @@ int rxe_mr_init_user(struct rxe_pd *pd, u64 start, u64 length, u64 iova, int num_buf; void *vaddr; int err; + int i; umem = ib_umem_get(pd->ibpd.device, start, length, access); if (IS_ERR(umem)) { - pr_warn("err %d from rxe_umem_get\n", - (int)PTR_ERR(umem)); + pr_warn("%s: Unable to pin memory region err = %d\n", + __func__, (int)PTR_ERR(umem)); err = PTR_ERR(umem); - goto err1; + goto err_out; } mr->umem = umem; @@ -129,9 +130,9 @@ int rxe_mr_init_user(struct rxe_pd *pd, u64 start, u64 length, u64 iova, err = rxe_mr_alloc(mr, num_buf); if (err) { - pr_warn("err %d from rxe_mr_alloc\n", err); - ib_umem_release(umem); - goto err1; + pr_warn("%s: Unable to allocate memory for map\n", + __func__); + goto err_release_umem; } mr->page_shift = PAGE_SHIFT; @@ -151,10 +152,10 @@ int rxe_mr_init_user(struct rxe_pd *pd, u64 start, u64 length, u64 iova, vaddr = page_address(sg_page_iter_page(&sg_iter)); if (!vaddr) { - pr_warn("null vaddr\n"); - ib_umem_release(umem); + pr_warn("%s: Unable to get virtual address\n", + __func__); err = -ENOMEM; - goto err1; + goto err_cleanup_map; } buf->addr = (uintptr_t)vaddr; @@ -177,7 +178,13 @@ int rxe_mr_init_user(struct rxe_pd *pd, u64 start, u64 length, u64 iova, return 0; -err1: +err_cleanup_map: + for (i = 0; i < mr->num_map; i++) + kfree(mr->map[i]); + kfree(mr->map); +err_release_umem: + ib_umem_release(umem); +err_out: return err; } diff --git a/drivers/media/pci/intel/ipu3/cio2-bridge.c b/drivers/media/pci/intel/ipu3/cio2-bridge.c index 4657e99df033..59a36f922675 100644 --- a/drivers/media/pci/intel/ipu3/cio2-bridge.c +++ b/drivers/media/pci/intel/ipu3/cio2-bridge.c @@ -173,10 +173,8 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg, int ret; for_each_acpi_dev_match(adev, cfg->hid, NULL, -1) { - if (!adev->status.enabled) { - acpi_dev_put(adev); + if (!adev->status.enabled) continue; - } if (bridge->n_sensors >= CIO2_NUM_PORTS) { acpi_dev_put(adev); @@ -185,7 +183,6 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg, } sensor = &bridge->sensors[bridge->n_sensors]; - sensor->adev = adev; strscpy(sensor->name, cfg->hid, sizeof(sensor->name)); ret = cio2_bridge_read_acpi_buffer(adev, "SSDB", @@ -215,6 +212,7 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg, goto err_free_swnodes; } + sensor->adev = acpi_dev_get(adev); adev->fwnode.secondary = fwnode; dev_info(&cio2->dev, "Found supported sensor %s\n", diff --git a/drivers/media/pci/ngene/ngene-core.c b/drivers/media/pci/ngene/ngene-core.c index 07f342db6701..7481f553f959 100644 --- a/drivers/media/pci/ngene/ngene-core.c +++ b/drivers/media/pci/ngene/ngene-core.c @@ -385,7 +385,7 @@ static int ngene_command_config_free_buf(struct ngene *dev, u8 *config) com.cmd.hdr.Opcode = CMD_CONFIGURE_FREE_BUFFER; com.cmd.hdr.Length = 6; - memcpy(&com.cmd.ConfigureBuffers.config, config, 6); + memcpy(&com.cmd.ConfigureFreeBuffers.config, config, 6); com.in_len = 6; com.out_len = 0; diff --git a/drivers/media/pci/ngene/ngene.h b/drivers/media/pci/ngene/ngene.h index 84f04e0e0cb9..3d296f1998a1 100644 --- a/drivers/media/pci/ngene/ngene.h +++ b/drivers/media/pci/ngene/ngene.h @@ -407,12 +407,14 @@ enum _BUFFER_CONFIGS { struct FW_CONFIGURE_FREE_BUFFERS { struct FW_HEADER hdr; - u8 UVI1_BufferLength; - u8 UVI2_BufferLength; - u8 TVO_BufferLength; - u8 AUD1_BufferLength; - u8 AUD2_BufferLength; - u8 TVA_BufferLength; + struct { + u8 UVI1_BufferLength; + u8 UVI2_BufferLength; + u8 TVO_BufferLength; + u8 AUD1_BufferLength; + u8 AUD2_BufferLength; + u8 TVA_BufferLength; + } __packed config; } __attribute__ ((__packed__)); struct FW_CONFIGURE_UART { diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 7a6f01ace78a..305ffad131a2 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -714,23 +714,20 @@ static int at24_probe(struct i2c_client *client) } /* - * If the 'label' property is not present for the AT24 EEPROM, - * then nvmem_config.id is initialised to NVMEM_DEVID_AUTO, - * and this will append the 'devid' to the name of the NVMEM - * device. This is purely legacy and the AT24 driver has always - * defaulted to this. However, if the 'label' property is - * present then this means that the name is specified by the - * firmware and this name should be used verbatim and so it is - * not necessary to append the 'devid'. + * We initialize nvmem_config.id to NVMEM_DEVID_AUTO even if the + * label property is set as some platform can have multiple eeproms + * with same label and we can not register each of those with same + * label. Failing to register those eeproms trigger cascade failure + * on such platform. */ + nvmem_config.id = NVMEM_DEVID_AUTO; + if (device_property_present(dev, "label")) { - nvmem_config.id = NVMEM_DEVID_NONE; err = device_property_read_string(dev, "label", &nvmem_config.name); if (err) return err; } else { - nvmem_config.id = NVMEM_DEVID_AUTO; nvmem_config.name = dev_name(dev); } diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 9890a1532cb0..ce8aed562929 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -28,6 +28,7 @@ #include <linux/errno.h> #include <linux/hdreg.h> #include <linux/kdev_t.h> +#include <linux/kref.h> #include <linux/blkdev.h> #include <linux/cdev.h> #include <linux/mutex.h> @@ -111,7 +112,7 @@ struct mmc_blk_data { #define MMC_BLK_CMD23 (1 << 0) /* Can do SET_BLOCK_COUNT for multiblock */ #define MMC_BLK_REL_WR (1 << 1) /* MMC Reliable write support */ - unsigned int usage; + struct kref kref; unsigned int read_only; unsigned int part_type; unsigned int reset_done; @@ -181,10 +182,8 @@ static struct mmc_blk_data *mmc_blk_get(struct gendisk *disk) mutex_lock(&open_lock); md = disk->private_data; - if (md && md->usage == 0) + if (md && !kref_get_unless_zero(&md->kref)) md = NULL; - if (md) - md->usage++; mutex_unlock(&open_lock); return md; @@ -196,18 +195,25 @@ static inline int mmc_get_devidx(struct gendisk *disk) return devidx; } -static void mmc_blk_put(struct mmc_blk_data *md) +static void mmc_blk_kref_release(struct kref *ref) { - mutex_lock(&open_lock); - md->usage--; - if (md->usage == 0) { - int devidx = mmc_get_devidx(md->disk); + struct mmc_blk_data *md = container_of(ref, struct mmc_blk_data, kref); + int devidx; - ida_simple_remove(&mmc_blk_ida, devidx); - put_disk(md->disk); - kfree(md); - } + devidx = mmc_get_devidx(md->disk); + ida_simple_remove(&mmc_blk_ida, devidx); + + mutex_lock(&open_lock); + md->disk->private_data = NULL; mutex_unlock(&open_lock); + + put_disk(md->disk); + kfree(md); +} + +static void mmc_blk_put(struct mmc_blk_data *md) +{ + kref_put(&md->kref, mmc_blk_kref_release); } static ssize_t power_ro_lock_show(struct device *dev, @@ -2327,7 +2333,8 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card, INIT_LIST_HEAD(&md->part); INIT_LIST_HEAD(&md->rpmbs); - md->usage = 1; + kref_init(&md->kref); + md->queue.blkdata = md; md->disk->major = MMC_BLOCK_MAJOR; diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index eda4a1892c33..0475d96047c4 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -75,7 +75,8 @@ static void mmc_host_classdev_release(struct device *dev) { struct mmc_host *host = cls_dev_to_mmc_host(dev); wakeup_source_unregister(host->ws); - ida_simple_remove(&mmc_host_ida, host->index); + if (of_alias_get_id(host->parent->of_node, "mmc") < 0) + ida_simple_remove(&mmc_host_ida, host->index); kfree(host); } @@ -502,7 +503,7 @@ static int mmc_first_nonreserved_index(void) */ struct mmc_host *mmc_alloc_host(int extra, struct device *dev) { - int err; + int index; struct mmc_host *host; int alias_id, min_idx, max_idx; @@ -515,20 +516,19 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev) alias_id = of_alias_get_id(dev->of_node, "mmc"); if (alias_id >= 0) { - min_idx = alias_id; - max_idx = alias_id + 1; + index = alias_id; } else { min_idx = mmc_first_nonreserved_index(); max_idx = 0; - } - err = ida_simple_get(&mmc_host_ida, min_idx, max_idx, GFP_KERNEL); - if (err < 0) { - kfree(host); - return NULL; + index = ida_simple_get(&mmc_host_ida, min_idx, max_idx, GFP_KERNEL); + if (index < 0) { + kfree(host); + return NULL; + } } - host->index = err; + host->index = index; dev_set_name(&host->class_dev, "mmc%d", host->index); host->ws = wakeup_source_register(NULL, dev_name(&host->class_dev)); diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index d22d78303311..31730efa7538 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3450,7 +3450,9 @@ static int bond_master_netdev_event(unsigned long event, return bond_event_changename(event_bond); case NETDEV_UNREGISTER: bond_remove_proc_entry(event_bond); +#ifdef CONFIG_XFRM_OFFLOAD xfrm_dev_state_flush(dev_net(bond_dev), bond_dev, true); +#endif /* CONFIG_XFRM_OFFLOAD */ break; case NETDEV_REGISTER: bond_create_proc_entry(event_bond); diff --git a/drivers/net/can/spi/hi311x.c b/drivers/net/can/spi/hi311x.c index dd17b8c53e1c..89d9c986a229 100644 --- a/drivers/net/can/spi/hi311x.c +++ b/drivers/net/can/spi/hi311x.c @@ -218,7 +218,7 @@ static int hi3110_spi_trans(struct spi_device *spi, int len) return ret; } -static u8 hi3110_cmd(struct spi_device *spi, u8 command) +static int hi3110_cmd(struct spi_device *spi, u8 command) { struct hi3110_priv *priv = spi_get_drvdata(spi); diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c index 47c3f408a799..9ae48072b6c6 100644 --- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c +++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c @@ -2300,6 +2300,7 @@ static irqreturn_t mcp251xfd_irq(int irq, void *dev_id) err, priv->regs_status.intf); mcp251xfd_dump(priv); mcp251xfd_chip_interrupts_disable(priv); + mcp251xfd_timestamp_stop(priv); return handled; } diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c index 0a37af4a3fa4..2b5302e72435 100644 --- a/drivers/net/can/usb/ems_usb.c +++ b/drivers/net/can/usb/ems_usb.c @@ -255,6 +255,8 @@ struct ems_usb { unsigned int free_slots; /* remember number of available slots */ struct ems_cpc_msg active_params; /* active controller parameters */ + void *rxbuf[MAX_RX_URBS]; + dma_addr_t rxbuf_dma[MAX_RX_URBS]; }; static void ems_usb_read_interrupt_callback(struct urb *urb) @@ -587,6 +589,7 @@ static int ems_usb_start(struct ems_usb *dev) for (i = 0; i < MAX_RX_URBS; i++) { struct urb *urb = NULL; u8 *buf = NULL; + dma_addr_t buf_dma; /* create a URB, and a buffer for it */ urb = usb_alloc_urb(0, GFP_KERNEL); @@ -596,7 +599,7 @@ static int ems_usb_start(struct ems_usb *dev) } buf = usb_alloc_coherent(dev->udev, RX_BUFFER_SIZE, GFP_KERNEL, - &urb->transfer_dma); + &buf_dma); if (!buf) { netdev_err(netdev, "No memory left for USB buffer\n"); usb_free_urb(urb); @@ -604,6 +607,8 @@ static int ems_usb_start(struct ems_usb *dev) break; } + urb->transfer_dma = buf_dma; + usb_fill_bulk_urb(urb, dev->udev, usb_rcvbulkpipe(dev->udev, 2), buf, RX_BUFFER_SIZE, ems_usb_read_bulk_callback, dev); @@ -619,6 +624,9 @@ static int ems_usb_start(struct ems_usb *dev) break; } + dev->rxbuf[i] = buf; + dev->rxbuf_dma[i] = buf_dma; + /* Drop reference, USB core will take care of freeing it */ usb_free_urb(urb); } @@ -684,6 +692,10 @@ static void unlink_all_urbs(struct ems_usb *dev) usb_kill_anchored_urbs(&dev->rx_submitted); + for (i = 0; i < MAX_RX_URBS; ++i) + usb_free_coherent(dev->udev, RX_BUFFER_SIZE, + dev->rxbuf[i], dev->rxbuf_dma[i]); + usb_kill_anchored_urbs(&dev->tx_submitted); atomic_set(&dev->active_tx_urbs, 0); diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c index 65b58f8fc328..66fa8b07c2e6 100644 --- a/drivers/net/can/usb/esd_usb2.c +++ b/drivers/net/can/usb/esd_usb2.c @@ -195,6 +195,8 @@ struct esd_usb2 { int net_count; u32 version; int rxinitdone; + void *rxbuf[MAX_RX_URBS]; + dma_addr_t rxbuf_dma[MAX_RX_URBS]; }; struct esd_usb2_net_priv { @@ -545,6 +547,7 @@ static int esd_usb2_setup_rx_urbs(struct esd_usb2 *dev) for (i = 0; i < MAX_RX_URBS; i++) { struct urb *urb = NULL; u8 *buf = NULL; + dma_addr_t buf_dma; /* create a URB, and a buffer for it */ urb = usb_alloc_urb(0, GFP_KERNEL); @@ -554,7 +557,7 @@ static int esd_usb2_setup_rx_urbs(struct esd_usb2 *dev) } buf = usb_alloc_coherent(dev->udev, RX_BUFFER_SIZE, GFP_KERNEL, - &urb->transfer_dma); + &buf_dma); if (!buf) { dev_warn(dev->udev->dev.parent, "No memory left for USB buffer\n"); @@ -562,6 +565,8 @@ static int esd_usb2_setup_rx_urbs(struct esd_usb2 *dev) goto freeurb; } + urb->transfer_dma = buf_dma; + usb_fill_bulk_urb(urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1), buf, RX_BUFFER_SIZE, @@ -574,8 +579,12 @@ static int esd_usb2_setup_rx_urbs(struct esd_usb2 *dev) usb_unanchor_urb(urb); usb_free_coherent(dev->udev, RX_BUFFER_SIZE, buf, urb->transfer_dma); + goto freeurb; } + dev->rxbuf[i] = buf; + dev->rxbuf_dma[i] = buf_dma; + freeurb: /* Drop reference, USB core will take care of freeing it */ usb_free_urb(urb); @@ -663,6 +672,11 @@ static void unlink_all_urbs(struct esd_usb2 *dev) int i, j; usb_kill_anchored_urbs(&dev->rx_submitted); + + for (i = 0; i < MAX_RX_URBS; ++i) + usb_free_coherent(dev->udev, RX_BUFFER_SIZE, + dev->rxbuf[i], dev->rxbuf_dma[i]); + for (i = 0; i < dev->net_count; i++) { priv = dev->nets[i]; if (priv) { diff --git a/drivers/net/can/usb/mcba_usb.c b/drivers/net/can/usb/mcba_usb.c index a45865bd7254..a1a154c08b7f 100644 --- a/drivers/net/can/usb/mcba_usb.c +++ b/drivers/net/can/usb/mcba_usb.c @@ -653,6 +653,8 @@ static int mcba_usb_start(struct mcba_priv *priv) break; } + urb->transfer_dma = buf_dma; + usb_fill_bulk_urb(urb, priv->udev, usb_rcvbulkpipe(priv->udev, MCBA_USB_EP_IN), buf, MCBA_USB_RX_BUFF_SIZE, diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c index 1d6f77252f01..899a3d21b77f 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb.c @@ -117,7 +117,8 @@ #define PCAN_USB_BERR_MASK (PCAN_USB_ERR_RXERR | PCAN_USB_ERR_TXERR) /* identify bus event packets with rx/tx error counters */ -#define PCAN_USB_ERR_CNT 0x80 +#define PCAN_USB_ERR_CNT_DEC 0x00 /* counters are decreasing */ +#define PCAN_USB_ERR_CNT_INC 0x80 /* counters are increasing */ /* private to PCAN-USB adapter */ struct pcan_usb { @@ -608,11 +609,12 @@ static int pcan_usb_handle_bus_evt(struct pcan_usb_msg_context *mc, u8 ir) /* acccording to the content of the packet */ switch (ir) { - case PCAN_USB_ERR_CNT: + case PCAN_USB_ERR_CNT_DEC: + case PCAN_USB_ERR_CNT_INC: /* save rx/tx error counters from in the device context */ - pdev->bec.rxerr = mc->ptr[0]; - pdev->bec.txerr = mc->ptr[1]; + pdev->bec.rxerr = mc->ptr[1]; + pdev->bec.txerr = mc->ptr[2]; break; default: diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c index b6e7ef0d5bc6..d1b83bd1b3cb 100644 --- a/drivers/net/can/usb/usb_8dev.c +++ b/drivers/net/can/usb/usb_8dev.c @@ -137,7 +137,8 @@ struct usb_8dev_priv { u8 *cmd_msg_buffer; struct mutex usb_8dev_cmd_lock; - + void *rxbuf[MAX_RX_URBS]; + dma_addr_t rxbuf_dma[MAX_RX_URBS]; }; /* tx frame */ @@ -733,6 +734,7 @@ static int usb_8dev_start(struct usb_8dev_priv *priv) for (i = 0; i < MAX_RX_URBS; i++) { struct urb *urb = NULL; u8 *buf; + dma_addr_t buf_dma; /* create a URB, and a buffer for it */ urb = usb_alloc_urb(0, GFP_KERNEL); @@ -742,7 +744,7 @@ static int usb_8dev_start(struct usb_8dev_priv *priv) } buf = usb_alloc_coherent(priv->udev, RX_BUFFER_SIZE, GFP_KERNEL, - &urb->transfer_dma); + &buf_dma); if (!buf) { netdev_err(netdev, "No memory left for USB buffer\n"); usb_free_urb(urb); @@ -750,6 +752,8 @@ static int usb_8dev_start(struct usb_8dev_priv *priv) break; } + urb->transfer_dma = buf_dma; + usb_fill_bulk_urb(urb, priv->udev, usb_rcvbulkpipe(priv->udev, USB_8DEV_ENDP_DATA_RX), @@ -767,6 +771,9 @@ static int usb_8dev_start(struct usb_8dev_priv *priv) break; } + priv->rxbuf[i] = buf; + priv->rxbuf_dma[i] = buf_dma; + /* Drop reference, USB core will take care of freeing it */ usb_free_urb(urb); } @@ -836,6 +843,10 @@ static void unlink_all_urbs(struct usb_8dev_priv *priv) usb_kill_anchored_urbs(&priv->rx_submitted); + for (i = 0; i < MAX_RX_URBS; ++i) + usb_free_coherent(priv->udev, RX_BUFFER_SIZE, + priv->rxbuf[i], priv->rxbuf_dma[i]); + usb_kill_anchored_urbs(&priv->tx_submitted); atomic_set(&priv->active_tx_urbs, 0); diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 93136f7e69f5..69f21b71614c 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -366,6 +366,8 @@ mt7530_fdb_write(struct mt7530_priv *priv, u16 vid, int i; reg[1] |= vid & CVID_MASK; + if (vid > 1) + reg[1] |= ATA2_IVL; reg[2] |= (aging & AGE_TIMER_MASK) << AGE_TIMER; reg[2] |= (port_mask & PORT_MAP_MASK) << PORT_MAP; /* STATIC_ENT indicate that entry is static wouldn't diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h index 334d610a503d..b19b389ff10a 100644 --- a/drivers/net/dsa/mt7530.h +++ b/drivers/net/dsa/mt7530.h @@ -79,6 +79,7 @@ enum mt753x_bpdu_port_fw { #define STATIC_EMP 0 #define STATIC_ENT 3 #define MT7530_ATA2 0x78 +#define ATA2_IVL BIT(15) /* Register for address table write data */ #define MT7530_ATWD 0x7c diff --git a/drivers/net/dsa/mv88e6xxx/Kconfig b/drivers/net/dsa/mv88e6xxx/Kconfig index 05af632b0f59..634a48e6616b 100644 --- a/drivers/net/dsa/mv88e6xxx/Kconfig +++ b/drivers/net/dsa/mv88e6xxx/Kconfig @@ -12,7 +12,7 @@ config NET_DSA_MV88E6XXX config NET_DSA_MV88E6XXX_PTP bool "PTP support for Marvell 88E6xxx" default n - depends on PTP_1588_CLOCK + depends on NET_DSA_MV88E6XXX && PTP_1588_CLOCK help Say Y to enable PTP hardware timestamping on Marvell 88E6xxx switch chips that support it. diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index beb41572d04e..272b0535d946 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2155,7 +2155,7 @@ static int mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip *chip, int i, err; if (!vid) - return -EOPNOTSUPP; + return 0; err = mv88e6xxx_vtu_get(chip, vid, &vlan); if (err) diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index ced8c9cb29c2..e2dc997580a8 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -397,6 +397,12 @@ static int sja1105_init_static_vlan(struct sja1105_private *priv) if (dsa_is_cpu_port(ds, port)) v->pvid = true; list_add(&v->list, &priv->dsa_8021q_vlans); + + v = kmemdup(v, sizeof(*v), GFP_KERNEL); + if (!v) + return -ENOMEM; + + list_add(&v->list, &priv->bridge_vlans); } ((struct sja1105_vlan_lookup_entry *)table->entries)[0] = pvid; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index f56245eeef7b..89606587b156 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1671,11 +1671,16 @@ static inline struct sk_buff *bnxt_tpa_end(struct bnxt *bp, if ((tpa_info->flags2 & RX_CMP_FLAGS2_META_FORMAT_VLAN) && (skb->dev->features & BNXT_HW_FEATURE_VLAN_ALL_RX)) { - u16 vlan_proto = tpa_info->metadata >> - RX_CMP_FLAGS2_METADATA_TPID_SFT; + __be16 vlan_proto = htons(tpa_info->metadata >> + RX_CMP_FLAGS2_METADATA_TPID_SFT); u16 vtag = tpa_info->metadata & RX_CMP_FLAGS2_METADATA_TCI_MASK; - __vlan_hwaccel_put_tag(skb, htons(vlan_proto), vtag); + if (eth_type_vlan(vlan_proto)) { + __vlan_hwaccel_put_tag(skb, vlan_proto, vtag); + } else { + dev_kfree_skb(skb); + return NULL; + } } skb_checksum_none_assert(skb); @@ -1897,9 +1902,15 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, (skb->dev->features & BNXT_HW_FEATURE_VLAN_ALL_RX)) { u32 meta_data = le32_to_cpu(rxcmp1->rx_cmp_meta_data); u16 vtag = meta_data & RX_CMP_FLAGS2_METADATA_TCI_MASK; - u16 vlan_proto = meta_data >> RX_CMP_FLAGS2_METADATA_TPID_SFT; + __be16 vlan_proto = htons(meta_data >> + RX_CMP_FLAGS2_METADATA_TPID_SFT); - __vlan_hwaccel_put_tag(skb, htons(vlan_proto), vtag); + if (eth_type_vlan(vlan_proto)) { + __vlan_hwaccel_put_tag(skb, vlan_proto, vtag); + } else { + dev_kfree_skb(skb); + goto next_rx; + } } skb_checksum_none_assert(skb); @@ -7563,8 +7574,12 @@ static int __bnxt_hwrm_func_qcaps(struct bnxt *bp) bp->flags &= ~BNXT_FLAG_WOL_CAP; if (flags & FUNC_QCAPS_RESP_FLAGS_WOL_MAGICPKT_SUPPORTED) bp->flags |= BNXT_FLAG_WOL_CAP; - if (flags & FUNC_QCAPS_RESP_FLAGS_PTP_SUPPORTED) + if (flags & FUNC_QCAPS_RESP_FLAGS_PTP_SUPPORTED) { __bnxt_hwrm_ptp_qcfg(bp); + } else { + kfree(bp->ptp_cfg); + bp->ptp_cfg = NULL; + } } else { #ifdef CONFIG_BNXT_SRIOV struct bnxt_vf_info *vf = &bp->vf; @@ -10123,7 +10138,6 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) } } - bnxt_ptp_start(bp); rc = bnxt_init_nic(bp, irq_re_init); if (rc) { netdev_err(bp->dev, "bnxt_init_nic err: %x\n", rc); @@ -10197,6 +10211,12 @@ int bnxt_half_open_nic(struct bnxt *bp) { int rc = 0; + if (test_bit(BNXT_STATE_ABORT_ERR, &bp->state)) { + netdev_err(bp->dev, "A previous firmware reset has not completed, aborting half open\n"); + rc = -ENODEV; + goto half_open_err; + } + rc = bnxt_alloc_mem(bp, false); if (rc) { netdev_err(bp->dev, "bnxt_alloc_mem err: %x\n", rc); @@ -10256,9 +10276,16 @@ static int bnxt_open(struct net_device *dev) rc = bnxt_hwrm_if_change(bp, true); if (rc) return rc; + + if (bnxt_ptp_init(bp)) { + netdev_warn(dev, "PTP initialization failed.\n"); + kfree(bp->ptp_cfg); + bp->ptp_cfg = NULL; + } rc = __bnxt_open_nic(bp, true, true); if (rc) { bnxt_hwrm_if_change(bp, false); + bnxt_ptp_clear(bp); } else { if (test_and_clear_bit(BNXT_STATE_FW_RESET_DET, &bp->state)) { if (!test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) { @@ -10349,6 +10376,7 @@ static int bnxt_close(struct net_device *dev) { struct bnxt *bp = netdev_priv(dev); + bnxt_ptp_clear(bp); bnxt_hwmon_close(bp); bnxt_close_nic(bp, true, true); bnxt_hwrm_shutdown_link(bp); @@ -11335,6 +11363,7 @@ static void bnxt_fw_reset_close(struct bnxt *bp) bnxt_clear_int_mode(bp); pci_disable_device(bp->pdev); } + bnxt_ptp_clear(bp); __bnxt_close_nic(bp, true, false); bnxt_vf_reps_free(bp); bnxt_clear_int_mode(bp); @@ -11959,10 +11988,21 @@ static bool bnxt_fw_reset_timeout(struct bnxt *bp) (bp->fw_reset_max_dsecs * HZ / 10)); } +static void bnxt_fw_reset_abort(struct bnxt *bp, int rc) +{ + clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); + if (bp->fw_reset_state != BNXT_FW_RESET_STATE_POLL_VF) { + bnxt_ulp_start(bp, rc); + bnxt_dl_health_status_update(bp, false); + } + bp->fw_reset_state = 0; + dev_close(bp->dev); +} + static void bnxt_fw_reset_task(struct work_struct *work) { struct bnxt *bp = container_of(work, struct bnxt, fw_reset_task.work); - int rc; + int rc = 0; if (!test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) { netdev_err(bp->dev, "bnxt_fw_reset_task() called when not in fw reset mode!\n"); @@ -11992,6 +12032,11 @@ static void bnxt_fw_reset_task(struct work_struct *work) } bp->fw_reset_timestamp = jiffies; rtnl_lock(); + if (test_bit(BNXT_STATE_ABORT_ERR, &bp->state)) { + bnxt_fw_reset_abort(bp, rc); + rtnl_unlock(); + return; + } bnxt_fw_reset_close(bp); if (bp->fw_cap & BNXT_FW_CAP_ERR_RECOVER_RELOAD) { bp->fw_reset_state = BNXT_FW_RESET_STATE_POLL_FW_DOWN; @@ -12039,6 +12084,7 @@ static void bnxt_fw_reset_task(struct work_struct *work) if (val == 0xffff) { if (bnxt_fw_reset_timeout(bp)) { netdev_err(bp->dev, "Firmware reset aborted, PCI config space invalid\n"); + rc = -ETIMEDOUT; goto fw_reset_abort; } bnxt_queue_fw_reset_work(bp, HZ / 1000); @@ -12048,6 +12094,7 @@ static void bnxt_fw_reset_task(struct work_struct *work) clear_bit(BNXT_STATE_FW_FATAL_COND, &bp->state); if (pci_enable_device(bp->pdev)) { netdev_err(bp->dev, "Cannot re-enable PCI device\n"); + rc = -ENODEV; goto fw_reset_abort; } pci_set_master(bp->pdev); @@ -12074,18 +12121,18 @@ static void bnxt_fw_reset_task(struct work_struct *work) } rc = bnxt_open(bp->dev); if (rc) { - netdev_err(bp->dev, "bnxt_open_nic() failed\n"); - clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); - dev_close(bp->dev); + netdev_err(bp->dev, "bnxt_open() failed during FW reset\n"); + bnxt_fw_reset_abort(bp, rc); + rtnl_unlock(); + return; } bp->fw_reset_state = 0; /* Make sure fw_reset_state is 0 before clearing the flag */ smp_mb__before_atomic(); clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); - bnxt_ulp_start(bp, rc); - if (!rc) - bnxt_reenable_sriov(bp); + bnxt_ulp_start(bp, 0); + bnxt_reenable_sriov(bp); bnxt_vf_reps_alloc(bp); bnxt_vf_reps_open(bp); bnxt_dl_health_recovery_done(bp); @@ -12103,12 +12150,8 @@ fw_reset_abort_status: netdev_err(bp->dev, "fw_health_status 0x%x\n", sts); } fw_reset_abort: - clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); - if (bp->fw_reset_state != BNXT_FW_RESET_STATE_POLL_VF) - bnxt_dl_health_status_update(bp, false); - bp->fw_reset_state = 0; rtnl_lock(); - dev_close(bp->dev); + bnxt_fw_reset_abort(bp, rc); rtnl_unlock(); } @@ -12662,7 +12705,6 @@ static void bnxt_remove_one(struct pci_dev *pdev) if (BNXT_PF(bp)) devlink_port_type_clear(&bp->dl_port); - bnxt_ptp_clear(bp); pci_disable_pcie_error_reporting(pdev); unregister_netdev(dev); clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); @@ -13246,11 +13288,6 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) rc); } - if (bnxt_ptp_init(bp)) { - netdev_warn(dev, "PTP initialization failed.\n"); - kfree(bp->ptp_cfg); - bp->ptp_cfg = NULL; - } bnxt_inv_fw_health_reg(bp); bnxt_dl_register(bp); @@ -13436,7 +13473,8 @@ static pci_ers_result_t bnxt_io_error_detected(struct pci_dev *pdev, if (netif_running(netdev)) bnxt_close(netdev); - pci_disable_device(pdev); + if (pci_is_enabled(pdev)) + pci_disable_device(pdev); bnxt_free_ctx_mem(bp); kfree(bp->ctx); bp->ctx = NULL; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c index 8e90224c43a2..8a68df4d9e59 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c @@ -433,6 +433,7 @@ static int bnxt_hwrm_queue_dscp2pri_cfg(struct bnxt *bp, struct dcb_app *app, static int bnxt_ets_validate(struct bnxt *bp, struct ieee_ets *ets, u8 *tc) { int total_ets_bw = 0; + bool zero = false; u8 max_tc = 0; int i; @@ -453,13 +454,20 @@ static int bnxt_ets_validate(struct bnxt *bp, struct ieee_ets *ets, u8 *tc) break; case IEEE_8021QAZ_TSA_ETS: total_ets_bw += ets->tc_tx_bw[i]; + zero = zero || !ets->tc_tx_bw[i]; break; default: return -ENOTSUPP; } } - if (total_ets_bw > 100) + if (total_ets_bw > 100) { + netdev_warn(bp->dev, "rejecting ETS config exceeding available bandwidth\n"); return -EINVAL; + } + if (zero && total_ets_bw == 100) { + netdev_warn(bp->dev, "rejecting ETS config starving a TC\n"); + return -EINVAL; + } if (max_tc >= bp->max_tc) *tc = bp->max_tc; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c index f698b6bd4ff8..ec381c2423b8 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c @@ -353,6 +353,12 @@ static long bnxt_ptp_ts_aux_work(struct ptp_clock_info *ptp_info) bnxt_ptp_get_current_time(bp); ptp->next_period = now + HZ; + if (time_after_eq(now, ptp->next_overflow_check)) { + spin_lock_bh(&ptp->ptp_lock); + timecounter_read(&ptp->tc); + spin_unlock_bh(&ptp->ptp_lock); + ptp->next_overflow_check = now + BNXT_PHC_OVERFLOW_PERIOD; + } return HZ; } @@ -385,22 +391,6 @@ int bnxt_get_rx_ts_p5(struct bnxt *bp, u64 *ts, u32 pkt_ts) return 0; } -void bnxt_ptp_start(struct bnxt *bp) -{ - struct bnxt_ptp_cfg *ptp = bp->ptp_cfg; - - if (!ptp) - return; - - if (bp->flags & BNXT_FLAG_CHIP_P5) { - spin_lock_bh(&ptp->ptp_lock); - ptp->current_time = bnxt_refclk_read(bp, NULL); - WRITE_ONCE(ptp->old_time, ptp->current_time); - spin_unlock_bh(&ptp->ptp_lock); - ptp_schedule_worker(ptp->ptp_clock, 0); - } -} - static const struct ptp_clock_info bnxt_ptp_caps = { .owner = THIS_MODULE, .name = "bnxt clock", @@ -439,6 +429,7 @@ int bnxt_ptp_init(struct bnxt *bp) ptp->cc.shift = 0; ptp->cc.mult = 1; + ptp->next_overflow_check = jiffies + BNXT_PHC_OVERFLOW_PERIOD; timecounter_init(&ptp->tc, &ptp->cc, ktime_to_ns(ktime_get_real())); ptp->ptp_info = bnxt_ptp_caps; @@ -450,7 +441,13 @@ int bnxt_ptp_init(struct bnxt *bp) bnxt_unmap_ptp_regs(bp); return err; } - + if (bp->flags & BNXT_FLAG_CHIP_P5) { + spin_lock_bh(&ptp->ptp_lock); + ptp->current_time = bnxt_refclk_read(bp, NULL); + WRITE_ONCE(ptp->old_time, ptp->current_time); + spin_unlock_bh(&ptp->ptp_lock); + ptp_schedule_worker(ptp->ptp_clock, 0); + } return 0; } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h index 6b6245750e20..254ba7bc0f99 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h @@ -32,6 +32,10 @@ struct bnxt_ptp_cfg { u64 current_time; u64 old_time; unsigned long next_period; + unsigned long next_overflow_check; + /* 48-bit PHC overflows in 78 hours. Check overflow every 19 hours. */ + #define BNXT_PHC_OVERFLOW_PERIOD (19 * 3600 * HZ) + u16 tx_seqid; struct bnxt *bp; atomic_t tx_avail; @@ -75,7 +79,6 @@ int bnxt_hwtstamp_set(struct net_device *dev, struct ifreq *ifr); int bnxt_hwtstamp_get(struct net_device *dev, struct ifreq *ifr); int bnxt_get_tx_ts_p5(struct bnxt *bp, struct sk_buff *skb); int bnxt_get_rx_ts_p5(struct bnxt *bp, u64 *ts, u32 pkt_ts); -void bnxt_ptp_start(struct bnxt *bp); int bnxt_ptp_init(struct bnxt *bp); void bnxt_ptp_clear(struct bnxt *bp); #endif diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c index a918e374f3c5..187ff643ad2a 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c @@ -479,16 +479,17 @@ struct bnxt_en_dev *bnxt_ulp_probe(struct net_device *dev) if (!edev) return ERR_PTR(-ENOMEM); edev->en_ops = &bnxt_en_ops_tbl; - if (bp->flags & BNXT_FLAG_ROCEV1_CAP) - edev->flags |= BNXT_EN_FLAG_ROCEV1_CAP; - if (bp->flags & BNXT_FLAG_ROCEV2_CAP) - edev->flags |= BNXT_EN_FLAG_ROCEV2_CAP; edev->net = dev; edev->pdev = bp->pdev; edev->l2_db_size = bp->db_size; edev->l2_db_size_nc = bp->db_size; bp->edev = edev; } + edev->flags &= ~BNXT_EN_FLAG_ROCE_CAP; + if (bp->flags & BNXT_FLAG_ROCEV1_CAP) + edev->flags |= BNXT_EN_FLAG_ROCEV1_CAP; + if (bp->flags & BNXT_FLAG_ROCEV2_CAP) + edev->flags |= BNXT_EN_FLAG_ROCEV2_CAP; return bp->edev; } EXPORT_SYMBOL(bnxt_ulp_probe); diff --git a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c index 4cddd628d41b..9ed3d1ab2ca5 100644 --- a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c +++ b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c @@ -420,7 +420,7 @@ static int cn23xx_pf_setup_global_input_regs(struct octeon_device *oct) * bits 32:47 indicate the PVF num. */ for (q_no = 0; q_no < ern; q_no++) { - reg_val = oct->pcie_port << CN23XX_PKT_INPUT_CTL_MAC_NUM_POS; + reg_val = (u64)oct->pcie_port << CN23XX_PKT_INPUT_CTL_MAC_NUM_POS; /* for VF assigned queues. */ if (q_no < oct->sriov_info.pf_srn) { diff --git a/drivers/net/ethernet/dec/tulip/winbond-840.c b/drivers/net/ethernet/dec/tulip/winbond-840.c index f6ff1f76eacb..1876f15dd827 100644 --- a/drivers/net/ethernet/dec/tulip/winbond-840.c +++ b/drivers/net/ethernet/dec/tulip/winbond-840.c @@ -357,7 +357,7 @@ static int w840_probe1(struct pci_dev *pdev, const struct pci_device_id *ent) int i, option = find_cnt < MAX_UNITS ? options[find_cnt] : 0; void __iomem *ioaddr; - i = pci_enable_device(pdev); + i = pcim_enable_device(pdev); if (i) return i; pci_set_master(pdev); @@ -379,7 +379,7 @@ static int w840_probe1(struct pci_dev *pdev, const struct pci_device_id *ent) ioaddr = pci_iomap(pdev, TULIP_BAR, netdev_res_size); if (!ioaddr) - goto err_out_free_res; + goto err_out_netdev; for (i = 0; i < 3; i++) ((__le16 *)dev->dev_addr)[i] = cpu_to_le16(eeprom_read(ioaddr, i)); @@ -458,8 +458,6 @@ static int w840_probe1(struct pci_dev *pdev, const struct pci_device_id *ent) err_out_cleardev: pci_iounmap(pdev, ioaddr); -err_out_free_res: - pci_release_regions(pdev); err_out_netdev: free_netdev (dev); return -ENODEV; @@ -1526,7 +1524,6 @@ static void w840_remove1(struct pci_dev *pdev) if (dev) { struct netdev_private *np = netdev_priv(dev); unregister_netdev(dev); - pci_release_regions(pdev); pci_iounmap(pdev, np->base_addr); free_netdev(dev); } diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c index f3d12d0714fb..68b78642c045 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c @@ -2770,32 +2770,32 @@ static int dpaa2_switch_ctrl_if_setup(struct ethsw_core *ethsw) if (err) return err; - err = dpaa2_switch_seed_bp(ethsw); - if (err) - goto err_free_dpbp; - err = dpaa2_switch_alloc_rings(ethsw); if (err) - goto err_drain_dpbp; + goto err_free_dpbp; err = dpaa2_switch_setup_dpio(ethsw); if (err) goto err_destroy_rings; + err = dpaa2_switch_seed_bp(ethsw); + if (err) + goto err_deregister_dpio; + err = dpsw_ctrl_if_enable(ethsw->mc_io, 0, ethsw->dpsw_handle); if (err) { dev_err(ethsw->dev, "dpsw_ctrl_if_enable err %d\n", err); - goto err_deregister_dpio; + goto err_drain_dpbp; } return 0; +err_drain_dpbp: + dpaa2_switch_drain_bp(ethsw); err_deregister_dpio: dpaa2_switch_free_dpio(ethsw); err_destroy_rings: dpaa2_switch_destroy_rings(ethsw); -err_drain_dpbp: - dpaa2_switch_drain_bp(ethsw); err_free_dpbp: dpaa2_switch_free_dpbp(ethsw); diff --git a/drivers/net/ethernet/freescale/fman/mac.c b/drivers/net/ethernet/freescale/fman/mac.c index 46ecb42f2ef8..d9fc5c456bf3 100644 --- a/drivers/net/ethernet/freescale/fman/mac.c +++ b/drivers/net/ethernet/freescale/fman/mac.c @@ -524,6 +524,7 @@ static void setup_memac(struct mac_device *mac_dev) | SUPPORTED_Autoneg \ | SUPPORTED_Pause \ | SUPPORTED_Asym_Pause \ + | SUPPORTED_FIBRE \ | SUPPORTED_MII) static DEFINE_MUTEX(eth_lock); diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c index 12f6c2442a7a..e53512f6878a 100644 --- a/drivers/net/ethernet/hisilicon/hip04_eth.c +++ b/drivers/net/ethernet/hisilicon/hip04_eth.c @@ -131,7 +131,7 @@ /* buf unit size is cache_line_size, which is 64, so the shift is 6 */ #define PPE_BUF_SIZE_SHIFT 6 #define PPE_TX_BUF_HOLD BIT(31) -#define CACHE_LINE_MASK 0x3F +#define SOC_CACHE_LINE_MASK 0x3F #else #define PPE_CFG_QOS_VMID_GRP_SHIFT 8 #define PPE_CFG_RX_CTRL_ALIGN_SHIFT 11 @@ -531,8 +531,8 @@ hip04_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) #if defined(CONFIG_HI13X1_GMAC) desc->cfg = (__force u32)cpu_to_be32(TX_CLEAR_WB | TX_FINISH_CACHE_INV | TX_RELEASE_TO_PPE | priv->port << TX_POOL_SHIFT); - desc->data_offset = (__force u32)cpu_to_be32(phys & CACHE_LINE_MASK); - desc->send_addr = (__force u32)cpu_to_be32(phys & ~CACHE_LINE_MASK); + desc->data_offset = (__force u32)cpu_to_be32(phys & SOC_CACHE_LINE_MASK); + desc->send_addr = (__force u32)cpu_to_be32(phys & ~SOC_CACHE_LINE_MASK); #else desc->cfg = (__force u32)cpu_to_be32(TX_CLEAR_WB | TX_FINISH_CACHE_INV); desc->send_addr = (__force u32)cpu_to_be32(phys); diff --git a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h index 0a6cda309b24..aa86a81c8f4a 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h +++ b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h @@ -98,6 +98,7 @@ struct hclgevf_mbx_resp_status { u32 origin_mbx_msg; bool received_resp; int resp_status; + u16 match_id; u8 additional_info[HCLGE_MBX_MAX_RESP_DATA_SIZE]; }; @@ -143,7 +144,8 @@ struct hclge_mbx_vf_to_pf_cmd { u8 mbx_need_resp; u8 rsv1[1]; u8 msg_len; - u8 rsv2[3]; + u8 rsv2; + u16 match_id; struct hclge_vf_to_pf_msg msg; }; @@ -153,7 +155,8 @@ struct hclge_mbx_pf_to_vf_cmd { u8 dest_vfid; u8 rsv[3]; u8 msg_len; - u8 rsv1[3]; + u8 rsv1; + u16 match_id; struct hclge_pf_to_vf_msg msg; }; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index dd3354a57c62..ebeaf12e409b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -9552,13 +9552,17 @@ static int hclge_set_vport_vlan_filter(struct hclge_vport *vport, bool enable) if (ret) return ret; - if (test_bit(HNAE3_DEV_SUPPORT_PORT_VLAN_BYPASS_B, ae_dev->caps)) + if (test_bit(HNAE3_DEV_SUPPORT_PORT_VLAN_BYPASS_B, ae_dev->caps)) { ret = hclge_set_port_vlan_filter_bypass(hdev, vport->vport_id, !enable); - else if (!vport->vport_id) + } else if (!vport->vport_id) { + if (test_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, ae_dev->caps)) + enable = false; + ret = hclge_set_vlan_filter_ctrl(hdev, HCLGE_FILTER_TYPE_PORT, HCLGE_FILTER_FE_INGRESS, enable, 0); + } return ret; } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index e10a2c36b706..c0a478ae9583 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -47,6 +47,7 @@ static int hclge_gen_resp_to_vf(struct hclge_vport *vport, resp_pf_to_vf->dest_vfid = vf_to_pf_req->mbx_src_vfid; resp_pf_to_vf->msg_len = vf_to_pf_req->msg_len; + resp_pf_to_vf->match_id = vf_to_pf_req->match_id; resp_pf_to_vf->msg.code = HCLGE_MBX_PF_VF_RESP; resp_pf_to_vf->msg.vf_mbx_msg_code = vf_to_pf_req->msg.code; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c index 3b1f84502e36..befa9bcc2f2f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c @@ -5,9 +5,27 @@ #include "hclge_main.h" #include "hnae3.h" +static int hclge_ptp_get_cycle(struct hclge_dev *hdev) +{ + struct hclge_ptp *ptp = hdev->ptp; + + ptp->cycle.quo = readl(hdev->ptp->io_base + HCLGE_PTP_CYCLE_QUO_REG) & + HCLGE_PTP_CYCLE_QUO_MASK; + ptp->cycle.numer = readl(hdev->ptp->io_base + HCLGE_PTP_CYCLE_NUM_REG); + ptp->cycle.den = readl(hdev->ptp->io_base + HCLGE_PTP_CYCLE_DEN_REG); + + if (ptp->cycle.den == 0) { + dev_err(&hdev->pdev->dev, "invalid ptp cycle denominator!\n"); + return -EINVAL; + } + + return 0; +} + static int hclge_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) { struct hclge_dev *hdev = hclge_ptp_get_hdev(ptp); + struct hclge_ptp_cycle *cycle = &hdev->ptp->cycle; u64 adj_val, adj_base, diff; unsigned long flags; bool is_neg = false; @@ -18,7 +36,7 @@ static int hclge_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) is_neg = true; } - adj_base = HCLGE_PTP_CYCLE_ADJ_BASE * HCLGE_PTP_CYCLE_ADJ_UNIT; + adj_base = (u64)cycle->quo * (u64)cycle->den + (u64)cycle->numer; adj_val = adj_base * ppb; diff = div_u64(adj_val, 1000000000ULL); @@ -29,16 +47,16 @@ static int hclge_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) /* This clock cycle is defined by three part: quotient, numerator * and denominator. For example, 2.5ns, the quotient is 2, - * denominator is fixed to HCLGE_PTP_CYCLE_ADJ_UNIT, and numerator - * is 0.5 * HCLGE_PTP_CYCLE_ADJ_UNIT. + * denominator is fixed to ptp->cycle.den, and numerator + * is 0.5 * ptp->cycle.den. */ - quo = div_u64_rem(adj_val, HCLGE_PTP_CYCLE_ADJ_UNIT, &numerator); + quo = div_u64_rem(adj_val, cycle->den, &numerator); spin_lock_irqsave(&hdev->ptp->lock, flags); - writel(quo, hdev->ptp->io_base + HCLGE_PTP_CYCLE_QUO_REG); + writel(quo & HCLGE_PTP_CYCLE_QUO_MASK, + hdev->ptp->io_base + HCLGE_PTP_CYCLE_QUO_REG); writel(numerator, hdev->ptp->io_base + HCLGE_PTP_CYCLE_NUM_REG); - writel(HCLGE_PTP_CYCLE_ADJ_UNIT, - hdev->ptp->io_base + HCLGE_PTP_CYCLE_DEN_REG); + writel(cycle->den, hdev->ptp->io_base + HCLGE_PTP_CYCLE_DEN_REG); writel(HCLGE_PTP_CYCLE_ADJ_EN, hdev->ptp->io_base + HCLGE_PTP_CYCLE_CFG_REG); spin_unlock_irqrestore(&hdev->ptp->lock, flags); @@ -475,6 +493,10 @@ int hclge_ptp_init(struct hclge_dev *hdev) ret = hclge_ptp_create_clock(hdev); if (ret) return ret; + + ret = hclge_ptp_get_cycle(hdev); + if (ret) + return ret; } ret = hclge_ptp_int_en(hdev, true); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.h index 5a202b775471..dbf5f4c08019 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.h @@ -29,6 +29,7 @@ #define HCLGE_PTP_TIME_ADJ_REG 0x60 #define HCLGE_PTP_TIME_ADJ_EN BIT(0) #define HCLGE_PTP_CYCLE_QUO_REG 0x64 +#define HCLGE_PTP_CYCLE_QUO_MASK GENMASK(7, 0) #define HCLGE_PTP_CYCLE_DEN_REG 0x68 #define HCLGE_PTP_CYCLE_NUM_REG 0x6C #define HCLGE_PTP_CYCLE_CFG_REG 0x70 @@ -37,9 +38,7 @@ #define HCLGE_PTP_CUR_TIME_SEC_L_REG 0x78 #define HCLGE_PTP_CUR_TIME_NSEC_REG 0x7C -#define HCLGE_PTP_CYCLE_ADJ_BASE 2 #define HCLGE_PTP_CYCLE_ADJ_MAX 500000000 -#define HCLGE_PTP_CYCLE_ADJ_UNIT 100000000 #define HCLGE_PTP_SEC_H_OFFSET 32u #define HCLGE_PTP_SEC_L_MASK GENMASK(31, 0) @@ -47,6 +46,12 @@ #define HCLGE_PTP_FLAG_TX_EN 1 #define HCLGE_PTP_FLAG_RX_EN 2 +struct hclge_ptp_cycle { + u32 quo; + u32 numer; + u32 den; +}; + struct hclge_ptp { struct hclge_dev *hdev; struct ptp_clock *clock; @@ -58,6 +63,7 @@ struct hclge_ptp { spinlock_t lock; /* protects ptp registers */ u32 ptp_cfg; u32 last_tx_seqid; + struct hclge_ptp_cycle cycle; unsigned long tx_start; unsigned long tx_cnt; unsigned long tx_skipped; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 52eaf82b7cd7..8784d61e833f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -2641,6 +2641,16 @@ static int hclgevf_rss_init_hw(struct hclgevf_dev *hdev) static int hclgevf_init_vlan_config(struct hclgevf_dev *hdev) { + struct hnae3_handle *nic = &hdev->nic; + int ret; + + ret = hclgevf_en_hw_strip_rxvtag(nic, true); + if (ret) { + dev_err(&hdev->pdev->dev, + "failed to enable rx vlan offload, ret = %d\n", ret); + return ret; + } + return hclgevf_set_vlan_filter(&hdev->nic, htons(ETH_P_8021Q), 0, false); } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c index 9b17735b9f4c..772b2f8acd2e 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c @@ -13,6 +13,7 @@ static int hclgevf_resp_to_errno(u16 resp_code) return resp_code ? -resp_code : 0; } +#define HCLGEVF_MBX_MATCH_ID_START 1 static void hclgevf_reset_mbx_resp_status(struct hclgevf_dev *hdev) { /* this function should be called with mbx_resp.mbx_mutex held @@ -21,6 +22,10 @@ static void hclgevf_reset_mbx_resp_status(struct hclgevf_dev *hdev) hdev->mbx_resp.received_resp = false; hdev->mbx_resp.origin_mbx_msg = 0; hdev->mbx_resp.resp_status = 0; + hdev->mbx_resp.match_id++; + /* Update match_id and ensure the value of match_id is not zero */ + if (hdev->mbx_resp.match_id == 0) + hdev->mbx_resp.match_id = HCLGEVF_MBX_MATCH_ID_START; memset(hdev->mbx_resp.additional_info, 0, HCLGE_MBX_MAX_RESP_DATA_SIZE); } @@ -115,6 +120,7 @@ int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev, if (need_resp) { mutex_lock(&hdev->mbx_resp.mbx_mutex); hclgevf_reset_mbx_resp_status(hdev); + req->match_id = hdev->mbx_resp.match_id; status = hclgevf_cmd_send(&hdev->hw, &desc, 1); if (status) { dev_err(&hdev->pdev->dev, @@ -211,6 +217,19 @@ void hclgevf_mbx_handler(struct hclgevf_dev *hdev) resp->additional_info[i] = *temp; temp++; } + + /* If match_id is not zero, it means PF support + * match_id. If the match_id is right, VF get the + * right response, otherwise ignore the response. + * Driver will clear hdev->mbx_resp when send + * next message which need response. + */ + if (req->match_id) { + if (req->match_id == resp->match_id) + resp->received_resp = true; + } else { + resp->received_resp = true; + } break; case HCLGE_MBX_LINK_STAT_CHANGE: case HCLGE_MBX_ASSERTING_RESET: diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index ed77191d19f4..a775c69e4fd7 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -1731,7 +1731,6 @@ static netdev_tx_t ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev) tx_send_failed++; tx_dropped++; ret = NETDEV_TX_OK; - ibmvnic_tx_scrq_flush(adapter, tx_scrq); goto out; } @@ -1753,6 +1752,7 @@ static netdev_tx_t ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev) dev_kfree_skb_any(skb); tx_send_failed++; tx_dropped++; + ibmvnic_tx_scrq_flush(adapter, tx_scrq); ret = NETDEV_TX_OK; goto out; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index 3e822bad4851..2c9e4eeb7270 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -980,7 +980,7 @@ static void i40e_get_settings_link_up(struct i40e_hw *hw, default: /* if we got here and link is up something bad is afoot */ netdev_info(netdev, - "WARNING: Link is up but PHY type 0x%x is not recognized.\n", + "WARNING: Link is up but PHY type 0x%x is not recognized, or incorrect cable is in use\n", hw_link_info->phy_type); } @@ -5294,6 +5294,10 @@ flags_complete: dev_warn(&pf->pdev->dev, "Device configuration forbids SW from starting the LLDP agent.\n"); return -EINVAL; + case I40E_AQ_RC_EAGAIN: + dev_warn(&pf->pdev->dev, + "Stop FW LLDP agent command is still being processed, please try again in a second.\n"); + return -EBUSY; default: dev_warn(&pf->pdev->dev, "Starting FW LLDP agent failed: error: %s, %s\n", diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 861e59a350bd..1d1f52756a93 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -4454,11 +4454,10 @@ int i40e_control_wait_tx_q(int seid, struct i40e_pf *pf, int pf_q, } /** - * i40e_vsi_control_tx - Start or stop a VSI's rings + * i40e_vsi_enable_tx - Start a VSI's rings * @vsi: the VSI being configured - * @enable: start or stop the rings **/ -static int i40e_vsi_control_tx(struct i40e_vsi *vsi, bool enable) +static int i40e_vsi_enable_tx(struct i40e_vsi *vsi) { struct i40e_pf *pf = vsi->back; int i, pf_q, ret = 0; @@ -4467,7 +4466,7 @@ static int i40e_vsi_control_tx(struct i40e_vsi *vsi, bool enable) for (i = 0; i < vsi->num_queue_pairs; i++, pf_q++) { ret = i40e_control_wait_tx_q(vsi->seid, pf, pf_q, - false /*is xdp*/, enable); + false /*is xdp*/, true); if (ret) break; @@ -4476,7 +4475,7 @@ static int i40e_vsi_control_tx(struct i40e_vsi *vsi, bool enable) ret = i40e_control_wait_tx_q(vsi->seid, pf, pf_q + vsi->alloc_queue_pairs, - true /*is xdp*/, enable); + true /*is xdp*/, true); if (ret) break; } @@ -4574,32 +4573,25 @@ int i40e_control_wait_rx_q(struct i40e_pf *pf, int pf_q, bool enable) } /** - * i40e_vsi_control_rx - Start or stop a VSI's rings + * i40e_vsi_enable_rx - Start a VSI's rings * @vsi: the VSI being configured - * @enable: start or stop the rings **/ -static int i40e_vsi_control_rx(struct i40e_vsi *vsi, bool enable) +static int i40e_vsi_enable_rx(struct i40e_vsi *vsi) { struct i40e_pf *pf = vsi->back; int i, pf_q, ret = 0; pf_q = vsi->base_queue; for (i = 0; i < vsi->num_queue_pairs; i++, pf_q++) { - ret = i40e_control_wait_rx_q(pf, pf_q, enable); + ret = i40e_control_wait_rx_q(pf, pf_q, true); if (ret) { dev_info(&pf->pdev->dev, - "VSI seid %d Rx ring %d %sable timeout\n", - vsi->seid, pf_q, (enable ? "en" : "dis")); + "VSI seid %d Rx ring %d enable timeout\n", + vsi->seid, pf_q); break; } } - /* Due to HW errata, on Rx disable only, the register can indicate done - * before it really is. Needs 50ms to be sure - */ - if (!enable) - mdelay(50); - return ret; } @@ -4612,29 +4604,47 @@ int i40e_vsi_start_rings(struct i40e_vsi *vsi) int ret = 0; /* do rx first for enable and last for disable */ - ret = i40e_vsi_control_rx(vsi, true); + ret = i40e_vsi_enable_rx(vsi); if (ret) return ret; - ret = i40e_vsi_control_tx(vsi, true); + ret = i40e_vsi_enable_tx(vsi); return ret; } +#define I40E_DISABLE_TX_GAP_MSEC 50 + /** * i40e_vsi_stop_rings - Stop a VSI's rings * @vsi: the VSI being configured **/ void i40e_vsi_stop_rings(struct i40e_vsi *vsi) { + struct i40e_pf *pf = vsi->back; + int pf_q, err, q_end; + /* When port TX is suspended, don't wait */ if (test_bit(__I40E_PORT_SUSPENDED, vsi->back->state)) return i40e_vsi_stop_rings_no_wait(vsi); - /* do rx first for enable and last for disable - * Ignore return value, we need to shutdown whatever we can - */ - i40e_vsi_control_tx(vsi, false); - i40e_vsi_control_rx(vsi, false); + q_end = vsi->base_queue + vsi->num_queue_pairs; + for (pf_q = vsi->base_queue; pf_q < q_end; pf_q++) + i40e_pre_tx_queue_cfg(&pf->hw, (u32)pf_q, false); + + for (pf_q = vsi->base_queue; pf_q < q_end; pf_q++) { + err = i40e_control_wait_rx_q(pf, pf_q, false); + if (err) + dev_info(&pf->pdev->dev, + "VSI seid %d Rx ring %d dissable timeout\n", + vsi->seid, pf_q); + } + + msleep(I40E_DISABLE_TX_GAP_MSEC); + pf_q = vsi->base_queue; + for (pf_q = vsi->base_queue; pf_q < q_end; pf_q++) + wr32(&pf->hw, I40E_QTX_ENA(pf_q), 0); + + i40e_vsi_wait_queues_disabled(vsi); } /** @@ -7280,6 +7290,8 @@ static int i40e_validate_mqprio_qopt(struct i40e_vsi *vsi, } if (vsi->num_queue_pairs < (mqprio_qopt->qopt.offset[i] + mqprio_qopt->qopt.count[i])) { + dev_err(&vsi->back->pdev->dev, + "Failed to create traffic channel, insufficient number of queues.\n"); return -EINVAL; } if (sum_max_rate > i40e_get_link_speed(vsi)) { @@ -13261,6 +13273,7 @@ static const struct net_device_ops i40e_netdev_ops = { .ndo_poll_controller = i40e_netpoll, #endif .ndo_setup_tc = __i40e_setup_tc, + .ndo_select_queue = i40e_lan_select_queue, .ndo_set_features = i40e_set_features, .ndo_set_vf_mac = i40e_ndo_set_vf_mac, .ndo_set_vf_vlan = i40e_ndo_set_vf_port_vlan, diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 38eb8151ee9a..3f25bd8c4924 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -3631,6 +3631,56 @@ dma_error: return -1; } +static u16 i40e_swdcb_skb_tx_hash(struct net_device *dev, + const struct sk_buff *skb, + u16 num_tx_queues) +{ + u32 jhash_initval_salt = 0xd631614b; + u32 hash; + + if (skb->sk && skb->sk->sk_hash) + hash = skb->sk->sk_hash; + else + hash = (__force u16)skb->protocol ^ skb->hash; + + hash = jhash_1word(hash, jhash_initval_salt); + + return (u16)(((u64)hash * num_tx_queues) >> 32); +} + +u16 i40e_lan_select_queue(struct net_device *netdev, + struct sk_buff *skb, + struct net_device __always_unused *sb_dev) +{ + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_vsi *vsi = np->vsi; + struct i40e_hw *hw; + u16 qoffset; + u16 qcount; + u8 tclass; + u16 hash; + u8 prio; + + /* is DCB enabled at all? */ + if (vsi->tc_config.numtc == 1) + return i40e_swdcb_skb_tx_hash(netdev, skb, + netdev->real_num_tx_queues); + + prio = skb->priority; + hw = &vsi->back->hw; + tclass = hw->local_dcbx_config.etscfg.prioritytable[prio]; + /* sanity check */ + if (unlikely(!(vsi->tc_config.enabled_tc & BIT(tclass)))) + tclass = 0; + + /* select a queue assigned for the given TC */ + qcount = vsi->tc_config.tc_info[tclass].qcount; + hash = i40e_swdcb_skb_tx_hash(netdev, skb, qcount); + + qoffset = vsi->tc_config.tc_info[tclass].qoffset; + return qoffset + hash; +} + /** * i40e_xmit_xdp_ring - transmits an XDP buffer to an XDP Tx ring * @xdpf: data to transmit diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h index 86fed05b4f19..bfc2845c99d1 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h @@ -451,6 +451,8 @@ static inline unsigned int i40e_rx_pg_order(struct i40e_ring *ring) bool i40e_alloc_rx_buffers(struct i40e_ring *rxr, u16 cleaned_count); netdev_tx_t i40e_lan_xmit_frame(struct sk_buff *skb, struct net_device *netdev); +u16 i40e_lan_select_queue(struct net_device *netdev, struct sk_buff *skb, + struct net_device *sb_dev); void i40e_clean_tx_ring(struct i40e_ring *tx_ring); void i40e_clean_rx_ring(struct i40e_ring *rx_ring); int i40e_setup_tx_descriptors(struct i40e_ring *tx_ring); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 913253f8ecb4..14aea40da50f 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -1825,7 +1825,8 @@ static void ixgbe_dma_sync_frag(struct ixgbe_ring *rx_ring, struct sk_buff *skb) { if (ring_uses_build_skb(rx_ring)) { - unsigned long offset = (unsigned long)(skb->data) & ~PAGE_MASK; + unsigned long mask = (unsigned long)ixgbe_rx_pg_size(rx_ring) - 1; + unsigned long offset = (unsigned long)(skb->data) & mask; dma_sync_single_range_for_cpu(rx_ring->dev, IXGBE_CB(skb)->dma, diff --git a/drivers/net/ethernet/marvell/octeontx2/af/Makefile b/drivers/net/ethernet/marvell/octeontx2/af/Makefile index 1a3455620b38..cc8ac36cf687 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/Makefile +++ b/drivers/net/ethernet/marvell/octeontx2/af/Makefile @@ -10,4 +10,4 @@ obj-$(CONFIG_OCTEONTX2_AF) += rvu_af.o rvu_mbox-y := mbox.o rvu_trace.o rvu_af-y := cgx.o rvu.o rvu_cgx.o rvu_npa.o rvu_nix.o \ rvu_reg.o rvu_npc.o rvu_debugfs.o ptp.o rvu_npc_fs.o \ - rvu_cpt.o rvu_devlink.o rpm.o rvu_cn10k.o + rvu_cpt.o rvu_devlink.o rpm.o rvu_cn10k.o rvu_switch.o diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c index 9169849881bf..544c96c8fe1d 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c @@ -1504,8 +1504,8 @@ static int cgx_lmac_init(struct cgx *cgx) /* Add reference */ cgx->lmac_idmap[lmac->lmac_id] = lmac; - cgx->mac_ops->mac_pause_frm_config(cgx, lmac->lmac_id, true); set_bit(lmac->lmac_id, &cgx->lmac_bmap); + cgx->mac_ops->mac_pause_frm_config(cgx, lmac->lmac_id, true); } return cgx_lmac_verify_fwi_version(cgx); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc.h b/drivers/net/ethernet/marvell/octeontx2/af/npc.h index 19bad9a59c8f..243cf8070e77 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/npc.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/npc.h @@ -151,7 +151,10 @@ enum npc_kpu_lh_ltype { * Software assigns pkind for each incoming port such as CGX * Ethernet interfaces, LBK interfaces, etc. */ +#define NPC_UNRESERVED_PKIND_COUNT NPC_RX_VLAN_EXDSA_PKIND + enum npc_pkind_type { + NPC_RX_LBK_PKIND = 0ULL, NPC_RX_VLAN_EXDSA_PKIND = 56ULL, NPC_RX_CHLEN24B_PKIND = 57ULL, NPC_RX_CPT_HDR_PKIND, diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c index 10cddf1ac7b9..5fe277e354f7 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c @@ -391,8 +391,10 @@ void rvu_get_pf_numvfs(struct rvu *rvu, int pf, int *numvfs, int *hwvf) /* Get numVFs attached to this PF and first HWVF */ cfg = rvu_read64(rvu, BLKADDR_RVUM, RVU_PRIV_PFX_CFG(pf)); - *numvfs = (cfg >> 12) & 0xFF; - *hwvf = cfg & 0xFFF; + if (numvfs) + *numvfs = (cfg >> 12) & 0xFF; + if (hwvf) + *hwvf = cfg & 0xFFF; } static int rvu_get_hwvf(struct rvu *rvu, int pcifunc) @@ -1314,7 +1316,7 @@ int rvu_mbox_handler_detach_resources(struct rvu *rvu, return rvu_detach_rsrcs(rvu, detach, detach->hdr.pcifunc); } -static int rvu_get_nix_blkaddr(struct rvu *rvu, u16 pcifunc) +int rvu_get_nix_blkaddr(struct rvu *rvu, u16 pcifunc) { struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, pcifunc); int blkaddr = BLKADDR_NIX0, vf; @@ -2859,6 +2861,12 @@ static int rvu_enable_sriov(struct rvu *rvu) if (!vfs) return 0; + /* LBK channel number 63 is used for switching packets between + * CGX mapped VFs. Hence limit LBK pairs till 62 only. + */ + if (vfs > 62) + vfs = 62; + /* Save VFs number for reference in VF interrupts handlers. * Since interrupts might start arriving during SRIOV enablement * ordinary API cannot be used to get number of enabled VFs. @@ -3001,6 +3009,8 @@ static int rvu_probe(struct pci_dev *pdev, const struct pci_device_id *id) /* Initialize debugfs */ rvu_dbg_init(rvu); + mutex_init(&rvu->rswitch.switch_lock); + return 0; err_dl: rvu_unregister_dl(rvu); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h index 10e58a5d5861..91503fb2762c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h @@ -415,6 +415,16 @@ struct npc_kpu_profile_adapter { size_t kpus; }; +#define RVU_SWITCH_LBK_CHAN 63 + +struct rvu_switch { + struct mutex switch_lock; /* Serialize flow installation */ + u32 used_entries; + u16 *entry2pcifunc; + u16 mode; + u16 start_entry; +}; + struct rvu { void __iomem *afreg_base; void __iomem *pfreg_base; @@ -445,6 +455,7 @@ struct rvu { /* CGX */ #define PF_CGXMAP_BASE 1 /* PF 0 is reserved for RVU PF */ + u16 cgx_mapped_vfs; /* maximum CGX mapped VFs */ u8 cgx_mapped_pfs; u8 cgx_cnt_max; /* CGX port count max */ u8 *pf2cgxlmac_map; /* pf to cgx_lmac map */ @@ -477,6 +488,9 @@ struct rvu { struct rvu_debugfs rvu_dbg; #endif struct rvu_devlink *rvu_dl; + + /* RVU switch implementation over NPC with DMAC rules */ + struct rvu_switch rswitch; }; static inline void rvu_write64(struct rvu *rvu, u64 block, u64 offset, u64 val) @@ -691,6 +705,7 @@ int nix_aq_context_read(struct rvu *rvu, struct nix_hw *nix_hw, struct nix_cn10k_aq_enq_req *aq_req, struct nix_cn10k_aq_enq_rsp *aq_rsp, u16 pcifunc, u8 ctype, u32 qidx); +int rvu_get_nix_blkaddr(struct rvu *rvu, u16 pcifunc); /* NPC APIs */ int rvu_npc_init(struct rvu *rvu); @@ -768,4 +783,10 @@ void rvu_dbg_exit(struct rvu *rvu); static inline void rvu_dbg_init(struct rvu *rvu) {} static inline void rvu_dbg_exit(struct rvu *rvu) {} #endif + +/* RVU Switch */ +void rvu_switch_enable(struct rvu *rvu); +void rvu_switch_disable(struct rvu *rvu); +void rvu_switch_update_rules(struct rvu *rvu, u16 pcifunc); + #endif /* RVU_H */ diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c index 6cc8fbb7190c..fe99ac4a4dd8 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c @@ -126,6 +126,7 @@ static int rvu_map_cgx_lmac_pf(struct rvu *rvu) unsigned long lmac_bmap; int size, free_pkind; int cgx, lmac, iter; + int numvfs, hwvfs; if (!cgx_cnt_max) return 0; @@ -166,6 +167,8 @@ static int rvu_map_cgx_lmac_pf(struct rvu *rvu) pkind->pfchan_map[free_pkind] = ((pf) & 0x3F) << 16; rvu_map_cgx_nix_block(rvu, pf, cgx, lmac); rvu->cgx_mapped_pfs++; + rvu_get_pf_numvfs(rvu, pf, &numvfs, &hwvfs); + rvu->cgx_mapped_vfs += numvfs; pf++; } } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c index 370d4ca1e5ed..9b2dfbf90e51 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c @@ -2113,9 +2113,6 @@ static void rvu_print_npc_mcam_info(struct seq_file *s, int entry_acnt, entry_ecnt; int cntr_acnt, cntr_ecnt; - /* Skip PF0 */ - if (!pcifunc) - return; rvu_npc_get_mcam_entry_alloc_info(rvu, pcifunc, blkaddr, &entry_acnt, &entry_ecnt); rvu_npc_get_mcam_counter_alloc_info(rvu, pcifunc, blkaddr, @@ -2298,7 +2295,7 @@ static void rvu_dbg_npc_mcam_show_flows(struct seq_file *s, static void rvu_dbg_npc_mcam_show_action(struct seq_file *s, struct rvu_npc_mcam_rule *rule) { - if (rule->intf == NIX_INTF_TX) { + if (is_npc_intf_tx(rule->intf)) { switch (rule->tx_action.op) { case NIX_TX_ACTIONOP_DROP: seq_puts(s, "\taction: Drop\n"); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c index 10a98bcb7c54..2688186066d9 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c @@ -1364,6 +1364,44 @@ static void rvu_health_reporters_destroy(struct rvu *rvu) rvu_nix_health_reporters_destroy(rvu_dl); } +static int rvu_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode) +{ + struct rvu_devlink *rvu_dl = devlink_priv(devlink); + struct rvu *rvu = rvu_dl->rvu; + struct rvu_switch *rswitch; + + rswitch = &rvu->rswitch; + *mode = rswitch->mode; + + return 0; +} + +static int rvu_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode, + struct netlink_ext_ack *extack) +{ + struct rvu_devlink *rvu_dl = devlink_priv(devlink); + struct rvu *rvu = rvu_dl->rvu; + struct rvu_switch *rswitch; + + rswitch = &rvu->rswitch; + switch (mode) { + case DEVLINK_ESWITCH_MODE_LEGACY: + case DEVLINK_ESWITCH_MODE_SWITCHDEV: + if (rswitch->mode == mode) + return 0; + rswitch->mode = mode; + if (mode == DEVLINK_ESWITCH_MODE_SWITCHDEV) + rvu_switch_enable(rvu); + else + rvu_switch_disable(rvu); + break; + default: + return -EINVAL; + } + + return 0; +} + static int rvu_devlink_info_get(struct devlink *devlink, struct devlink_info_req *req, struct netlink_ext_ack *extack) { @@ -1372,6 +1410,8 @@ static int rvu_devlink_info_get(struct devlink *devlink, struct devlink_info_req static const struct devlink_ops rvu_devlink_ops = { .info_get = rvu_devlink_info_get, + .eswitch_mode_get = rvu_devlink_eswitch_mode_get, + .eswitch_mode_set = rvu_devlink_eswitch_mode_set, }; int rvu_register_dl(struct rvu *rvu) @@ -1380,14 +1420,9 @@ int rvu_register_dl(struct rvu *rvu) struct devlink *dl; int err; - rvu_dl = kzalloc(sizeof(*rvu_dl), GFP_KERNEL); - if (!rvu_dl) - return -ENOMEM; - dl = devlink_alloc(&rvu_devlink_ops, sizeof(struct rvu_devlink)); if (!dl) { dev_warn(rvu->dev, "devlink_alloc failed\n"); - kfree(rvu_dl); return -ENOMEM; } @@ -1395,10 +1430,10 @@ int rvu_register_dl(struct rvu *rvu) if (err) { dev_err(rvu->dev, "devlink register failed with error %d\n", err); devlink_free(dl); - kfree(rvu_dl); return err; } + rvu_dl = devlink_priv(dl); rvu_dl->dl = dl; rvu_dl->rvu = rvu; rvu->rvu_dl = rvu_dl; @@ -1417,5 +1452,4 @@ void rvu_unregister_dl(struct rvu *rvu) rvu_health_reporters_destroy(rvu); devlink_unregister(dl); devlink_free(dl); - kfree(rvu_dl); } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index aeae37704428..4bfbbdf38770 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -196,11 +196,22 @@ static void nix_rx_sync(struct rvu *rvu, int blkaddr) { int err; - /*Sync all in flight RX packets to LLC/DRAM */ + /* Sync all in flight RX packets to LLC/DRAM */ rvu_write64(rvu, blkaddr, NIX_AF_RX_SW_SYNC, BIT_ULL(0)); err = rvu_poll_reg(rvu, blkaddr, NIX_AF_RX_SW_SYNC, BIT_ULL(0), true); if (err) - dev_err(rvu->dev, "NIX RX software sync failed\n"); + dev_err(rvu->dev, "SYNC1: NIX RX software sync failed\n"); + + /* SW_SYNC ensures all existing transactions are finished and pkts + * are written to LLC/DRAM, queues should be teared down after + * successful SW_SYNC. Due to a HW errata, in some rare scenarios + * an existing transaction might end after SW_SYNC operation. To + * ensure operation is fully done, do the SW_SYNC twice. + */ + rvu_write64(rvu, blkaddr, NIX_AF_RX_SW_SYNC, BIT_ULL(0)); + err = rvu_poll_reg(rvu, blkaddr, NIX_AF_RX_SW_SYNC, BIT_ULL(0), true); + if (err) + dev_err(rvu->dev, "SYNC2: NIX RX software sync failed\n"); } static bool is_valid_txschq(struct rvu *rvu, int blkaddr, @@ -298,6 +309,7 @@ static int nix_interface_init(struct rvu *rvu, u16 pcifunc, int type, int nixlf) rvu_nix_chan_lbk(rvu, lbkid, vf + 1); pfvf->rx_chan_cnt = 1; pfvf->tx_chan_cnt = 1; + rvu_npc_set_pkind(rvu, NPC_RX_LBK_PKIND, pfvf); rvu_npc_install_promisc_entry(rvu, pcifunc, nixlf, pfvf->rx_chan_base, pfvf->rx_chan_cnt); @@ -1952,6 +1964,35 @@ static void nix_tl1_default_cfg(struct rvu *rvu, struct nix_hw *nix_hw, pfvf_map[schq] = TXSCH_SET_FLAG(pfvf_map[schq], NIX_TXSCHQ_CFG_DONE); } +static void rvu_nix_tx_tl2_cfg(struct rvu *rvu, int blkaddr, + u16 pcifunc, struct nix_txsch *txsch) +{ + struct rvu_hwinfo *hw = rvu->hw; + int lbk_link_start, lbk_links; + u8 pf = rvu_get_pf(pcifunc); + int schq; + + if (!is_pf_cgxmapped(rvu, pf)) + return; + + lbk_link_start = hw->cgx_links; + + for (schq = 0; schq < txsch->schq.max; schq++) { + if (TXSCH_MAP_FUNC(txsch->pfvf_map[schq]) != pcifunc) + continue; + /* Enable all LBK links with channel 63 by default so that + * packets can be sent to LBK with a NPC TX MCAM rule + */ + lbk_links = hw->lbk_links; + while (lbk_links--) + rvu_write64(rvu, blkaddr, + NIX_AF_TL3_TL2X_LINKX_CFG(schq, + lbk_link_start + + lbk_links), + BIT_ULL(12) | RVU_SWITCH_LBK_CHAN); + } +} + int rvu_mbox_handler_nix_txschq_cfg(struct rvu *rvu, struct nix_txschq_config *req, struct msg_rsp *rsp) @@ -2040,6 +2081,9 @@ int rvu_mbox_handler_nix_txschq_cfg(struct rvu *rvu, rvu_write64(rvu, blkaddr, reg, regval); } + rvu_nix_tx_tl2_cfg(rvu, blkaddr, pcifunc, + &nix_hw->txsch[NIX_TXSCH_LVL_TL2]); + return 0; } @@ -3180,6 +3224,8 @@ int rvu_mbox_handler_nix_set_mac_addr(struct rvu *rvu, if (test_bit(PF_SET_VF_TRUSTED, &pfvf->flags) && from_vf) ether_addr_copy(pfvf->default_mac, req->mac_addr); + rvu_switch_update_rules(rvu, pcifunc); + return 0; } @@ -3808,7 +3854,6 @@ static void rvu_nix_block_freemem(struct rvu *rvu, int blkaddr, vlan = &nix_hw->txvlan; kfree(vlan->rsrc.bmap); mutex_destroy(&vlan->rsrc_lock); - devm_kfree(rvu->dev, vlan->entry2pfvf_map); mcast = &nix_hw->mcast; qmem_free(rvu->dev, mcast->mce_ctx); @@ -3849,6 +3894,8 @@ int rvu_mbox_handler_nix_lf_start_rx(struct rvu *rvu, struct msg_req *req, pfvf = rvu_get_pfvf(rvu, pcifunc); set_bit(NIXLF_INITIALIZED, &pfvf->flags); + rvu_switch_update_rules(rvu, pcifunc); + return rvu_cgx_start_stop_io(rvu, pcifunc, true); } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c index 3612e0a2cab3..52b255426c22 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -442,7 +442,8 @@ static void npc_fixup_vf_rule(struct rvu *rvu, struct npc_mcam *mcam, owner = mcam->entry2pfvf_map[index]; target_func = (entry->action >> 4) & 0xffff; /* do nothing when target is LBK/PF or owner is not PF */ - if (is_afvf(target_func) || (owner & RVU_PFVF_FUNC_MASK) || + if (is_pffunc_af(owner) || is_afvf(target_func) || + (owner & RVU_PFVF_FUNC_MASK) || !(target_func & RVU_PFVF_FUNC_MASK)) return; @@ -468,6 +469,8 @@ static void npc_config_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, { int bank = npc_get_bank(mcam, index); int kw = 0, actbank, actindex; + u8 tx_intf_mask = ~intf & 0x3; + u8 tx_intf = intf; u64 cam0, cam1; actbank = bank; /* Save bank id, to set action later on */ @@ -488,12 +491,21 @@ static void npc_config_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, */ for (; bank < (actbank + mcam->banks_per_entry); bank++, kw = kw + 2) { /* Interface should be set in all banks */ + if (is_npc_intf_tx(intf)) { + /* Last bit must be set and rest don't care + * for TX interfaces + */ + tx_intf_mask = 0x1; + tx_intf = intf & tx_intf_mask; + tx_intf_mask = ~tx_intf & tx_intf_mask; + } + rvu_write64(rvu, blkaddr, NPC_AF_MCAMEX_BANKX_CAMX_INTF(index, bank, 1), - intf); + tx_intf); rvu_write64(rvu, blkaddr, NPC_AF_MCAMEX_BANKX_CAMX_INTF(index, bank, 0), - ~intf & 0x3); + tx_intf_mask); /* Set the match key */ npc_get_keyword(entry, kw, &cam0, &cam1); @@ -650,6 +662,7 @@ void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc, eth_broadcast_addr((u8 *)&req.mask.dmac); req.features = BIT_ULL(NPC_DMAC); req.channel = chan; + req.chan_mask = 0xFFFU; req.intf = pfvf->nix_rx_intf; req.op = action.op; req.hdr.pcifunc = 0; /* AF is requester */ @@ -799,6 +812,7 @@ void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc, eth_broadcast_addr((u8 *)&req.mask.dmac); req.features = BIT_ULL(NPC_DMAC); req.channel = chan; + req.chan_mask = 0xFFFU; req.intf = pfvf->nix_rx_intf; req.entry = index; req.hdr.pcifunc = 0; /* AF is requester */ @@ -1707,7 +1721,6 @@ static void npc_parser_profile_init(struct rvu *rvu, int blkaddr) { struct rvu_hwinfo *hw = rvu->hw; int num_pkinds, num_kpus, idx; - struct npc_pkind *pkind; /* Disable all KPUs and their entries */ for (idx = 0; idx < hw->npc_kpus; idx++) { @@ -1725,9 +1738,8 @@ static void npc_parser_profile_init(struct rvu *rvu, int blkaddr) * Check HW max count to avoid configuring junk or * writing to unsupported CSR addresses. */ - pkind = &hw->pkind; num_pkinds = rvu->kpu.pkinds; - num_pkinds = min_t(int, pkind->rsrc.max, num_pkinds); + num_pkinds = min_t(int, hw->npc_pkinds, num_pkinds); for (idx = 0; idx < num_pkinds; idx++) npc_config_kpuaction(rvu, blkaddr, &rvu->kpu.ikpu[idx], 0, idx, true); @@ -1745,6 +1757,8 @@ static int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr) int nixlf_count = rvu_get_nixlf_count(rvu); struct npc_mcam *mcam = &rvu->hw->mcam; int rsvd, err; + u16 index; + int cntr; u64 cfg; /* Actual number of MCAM entries vary by entry size */ @@ -1845,6 +1859,14 @@ static int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr) if (!mcam->entry2target_pffunc) goto free_mem; + for (index = 0; index < mcam->bmap_entries; index++) { + mcam->entry2pfvf_map[index] = NPC_MCAM_INVALID_MAP; + mcam->entry2cntr_map[index] = NPC_MCAM_INVALID_MAP; + } + + for (cntr = 0; cntr < mcam->counters.max; cntr++) + mcam->cntr2pfvf_map[cntr] = NPC_MCAM_INVALID_MAP; + mutex_init(&mcam->lock); return 0; @@ -1867,7 +1889,8 @@ static void rvu_npc_hw_init(struct rvu *rvu, int blkaddr) if (npc_const1 & BIT_ULL(63)) npc_const2 = rvu_read64(rvu, blkaddr, NPC_AF_CONST2); - pkind->rsrc.max = (npc_const1 >> 12) & 0xFFULL; + pkind->rsrc.max = NPC_UNRESERVED_PKIND_COUNT; + hw->npc_pkinds = (npc_const1 >> 12) & 0xFFULL; hw->npc_kpu_entries = npc_const1 & 0xFFFULL; hw->npc_kpus = (npc_const >> 8) & 0x1FULL; hw->npc_intfs = npc_const & 0xFULL; @@ -1978,6 +2001,10 @@ int rvu_npc_init(struct rvu *rvu) err = rvu_alloc_bitmap(&pkind->rsrc); if (err) return err; + /* Reserve PKIND#0 for LBKs. Power reset value of LBK_CH_PKIND is '0', + * no need to configure PKIND for all LBKs separately. + */ + rvu_alloc_rsrc(&pkind->rsrc); /* Allocate mem for pkind to PF and channel mapping info */ pkind->pfchan_map = devm_kcalloc(rvu->dev, pkind->rsrc.max, @@ -2562,7 +2589,7 @@ int rvu_mbox_handler_npc_mcam_alloc_entry(struct rvu *rvu, } /* Alloc request from PFFUNC with no NIXLF attached should be denied */ - if (!is_nixlf_attached(rvu, pcifunc)) + if (!is_pffunc_af(pcifunc) && !is_nixlf_attached(rvu, pcifunc)) return NPC_MCAM_ALLOC_DENIED; return npc_mcam_alloc_entries(mcam, pcifunc, req, rsp); @@ -2582,7 +2609,7 @@ int rvu_mbox_handler_npc_mcam_free_entry(struct rvu *rvu, return NPC_MCAM_INVALID_REQ; /* Free request from PFFUNC with no NIXLF attached, ignore */ - if (!is_nixlf_attached(rvu, pcifunc)) + if (!is_pffunc_af(pcifunc) && !is_nixlf_attached(rvu, pcifunc)) return NPC_MCAM_INVALID_REQ; mutex_lock(&mcam->lock); @@ -2594,7 +2621,7 @@ int rvu_mbox_handler_npc_mcam_free_entry(struct rvu *rvu, if (rc) goto exit; - mcam->entry2pfvf_map[req->entry] = 0; + mcam->entry2pfvf_map[req->entry] = NPC_MCAM_INVALID_MAP; mcam->entry2target_pffunc[req->entry] = 0x0; npc_mcam_clear_bit(mcam, req->entry); npc_enable_mcam_entry(rvu, mcam, blkaddr, req->entry, false); @@ -2679,13 +2706,14 @@ int rvu_mbox_handler_npc_mcam_write_entry(struct rvu *rvu, else nix_intf = pfvf->nix_rx_intf; - if (npc_mcam_verify_channel(rvu, pcifunc, req->intf, channel)) { + if (!is_pffunc_af(pcifunc) && + npc_mcam_verify_channel(rvu, pcifunc, req->intf, channel)) { rc = NPC_MCAM_INVALID_REQ; goto exit; } - if (npc_mcam_verify_pf_func(rvu, &req->entry_data, req->intf, - pcifunc)) { + if (!is_pffunc_af(pcifunc) && + npc_mcam_verify_pf_func(rvu, &req->entry_data, req->intf, pcifunc)) { rc = NPC_MCAM_INVALID_REQ; goto exit; } @@ -2836,7 +2864,7 @@ int rvu_mbox_handler_npc_mcam_alloc_counter(struct rvu *rvu, return NPC_MCAM_INVALID_REQ; /* If the request is from a PFFUNC with no NIXLF attached, ignore */ - if (!is_nixlf_attached(rvu, pcifunc)) + if (!is_pffunc_af(pcifunc) && !is_nixlf_attached(rvu, pcifunc)) return NPC_MCAM_INVALID_REQ; /* Since list of allocated counter IDs needs to be sent to requester, @@ -3081,7 +3109,7 @@ int rvu_mbox_handler_npc_mcam_alloc_and_write_entry(struct rvu *rvu, if (rc) { /* Free allocated MCAM entry */ mutex_lock(&mcam->lock); - mcam->entry2pfvf_map[entry] = 0; + mcam->entry2pfvf_map[entry] = NPC_MCAM_INVALID_MAP; npc_mcam_clear_bit(mcam, entry); mutex_unlock(&mcam->lock); return rc; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c index 68633145a8b8..5c01cf4a9c5b 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c @@ -910,14 +910,17 @@ static void rvu_mcam_add_counter_to_rule(struct rvu *rvu, u16 pcifunc, static void npc_update_rx_entry(struct rvu *rvu, struct rvu_pfvf *pfvf, struct mcam_entry *entry, - struct npc_install_flow_req *req, u16 target) + struct npc_install_flow_req *req, + u16 target, bool pf_set_vfs_mac) { + struct rvu_switch *rswitch = &rvu->rswitch; struct nix_rx_action action; - u64 chan_mask; - chan_mask = req->chan_mask ? req->chan_mask : ~0ULL; - npc_update_entry(rvu, NPC_CHAN, entry, req->channel, 0, chan_mask, 0, - NIX_INTF_RX); + if (rswitch->mode == DEVLINK_ESWITCH_MODE_SWITCHDEV && pf_set_vfs_mac) + req->chan_mask = 0x0; /* Do not care channel */ + + npc_update_entry(rvu, NPC_CHAN, entry, req->channel, 0, req->chan_mask, + 0, NIX_INTF_RX); *(u64 *)&action = 0x00; action.pf_func = target; @@ -949,9 +952,16 @@ static void npc_update_tx_entry(struct rvu *rvu, struct rvu_pfvf *pfvf, struct npc_install_flow_req *req, u16 target) { struct nix_tx_action action; + u64 mask = ~0ULL; + + /* If AF is installing then do not care about + * PF_FUNC in Send Descriptor + */ + if (is_pffunc_af(req->hdr.pcifunc)) + mask = 0; npc_update_entry(rvu, NPC_PF_FUNC, entry, (__force u16)htons(target), - 0, ~0ULL, 0, NIX_INTF_TX); + 0, mask, 0, NIX_INTF_TX); *(u64 *)&action = 0x00; action.op = req->op; @@ -1002,7 +1012,7 @@ static int npc_install_flow(struct rvu *rvu, int blkaddr, u16 target, req->intf); if (is_npc_intf_rx(req->intf)) - npc_update_rx_entry(rvu, pfvf, entry, req, target); + npc_update_rx_entry(rvu, pfvf, entry, req, target, pf_set_vfs_mac); else npc_update_tx_entry(rvu, pfvf, entry, req, target); @@ -1164,7 +1174,9 @@ int rvu_mbox_handler_npc_install_flow(struct rvu *rvu, if (err) return err; - if (npc_mcam_verify_channel(rvu, target, req->intf, req->channel)) + /* Skip channel validation if AF is installing */ + if (!is_pffunc_af(req->hdr.pcifunc) && + npc_mcam_verify_channel(rvu, target, req->intf, req->channel)) return -EINVAL; pfvf = rvu_get_pfvf(rvu, target); @@ -1180,6 +1192,7 @@ int rvu_mbox_handler_npc_install_flow(struct rvu *rvu, eth_broadcast_addr((u8 *)&req->mask.dmac); } + /* Proceed if NIXLF is attached or not for TX rules */ err = nix_get_nixlf(rvu, target, &nixlf, NULL); if (err && is_npc_intf_rx(req->intf) && !pf_set_vfs_mac) return -EINVAL; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_switch.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_switch.c new file mode 100644 index 000000000000..820adf390b8e --- /dev/null +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_switch.c @@ -0,0 +1,259 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Marvell OcteonTx2 RVU Admin Function driver + * + * Copyright (C) 2021 Marvell. + */ + +#include <linux/bitfield.h> +#include "rvu.h" + +static int rvu_switch_install_rx_rule(struct rvu *rvu, u16 pcifunc, + u16 chan_mask) +{ + struct npc_install_flow_req req = { 0 }; + struct npc_install_flow_rsp rsp = { 0 }; + struct rvu_pfvf *pfvf; + + pfvf = rvu_get_pfvf(rvu, pcifunc); + /* If the pcifunc is not initialized then nothing to do. + * This same function will be called again via rvu_switch_update_rules + * after pcifunc is initialized. + */ + if (!test_bit(NIXLF_INITIALIZED, &pfvf->flags)) + return 0; + + ether_addr_copy(req.packet.dmac, pfvf->mac_addr); + eth_broadcast_addr((u8 *)&req.mask.dmac); + req.hdr.pcifunc = 0; /* AF is requester */ + req.vf = pcifunc; + req.features = BIT_ULL(NPC_DMAC); + req.channel = pfvf->rx_chan_base; + req.chan_mask = chan_mask; + req.intf = pfvf->nix_rx_intf; + req.op = NIX_RX_ACTION_DEFAULT; + req.default_rule = 1; + + return rvu_mbox_handler_npc_install_flow(rvu, &req, &rsp); +} + +static int rvu_switch_install_tx_rule(struct rvu *rvu, u16 pcifunc, u16 entry) +{ + struct npc_install_flow_req req = { 0 }; + struct npc_install_flow_rsp rsp = { 0 }; + struct rvu_pfvf *pfvf; + u8 lbkid; + + pfvf = rvu_get_pfvf(rvu, pcifunc); + /* If the pcifunc is not initialized then nothing to do. + * This same function will be called again via rvu_switch_update_rules + * after pcifunc is initialized. + */ + if (!test_bit(NIXLF_INITIALIZED, &pfvf->flags)) + return 0; + + lbkid = pfvf->nix_blkaddr == BLKADDR_NIX0 ? 0 : 1; + ether_addr_copy(req.packet.dmac, pfvf->mac_addr); + eth_broadcast_addr((u8 *)&req.mask.dmac); + req.hdr.pcifunc = 0; /* AF is requester */ + req.vf = pcifunc; + req.entry = entry; + req.features = BIT_ULL(NPC_DMAC); + req.intf = pfvf->nix_tx_intf; + req.op = NIX_TX_ACTIONOP_UCAST_CHAN; + req.index = (lbkid << 8) | RVU_SWITCH_LBK_CHAN; + req.set_cntr = 1; + + return rvu_mbox_handler_npc_install_flow(rvu, &req, &rsp); +} + +static int rvu_switch_install_rules(struct rvu *rvu) +{ + struct rvu_switch *rswitch = &rvu->rswitch; + u16 start = rswitch->start_entry; + struct rvu_hwinfo *hw = rvu->hw; + u16 pcifunc, entry = 0; + int pf, vf, numvfs; + int err; + + for (pf = 1; pf < hw->total_pfs; pf++) { + if (!is_pf_cgxmapped(rvu, pf)) + continue; + + pcifunc = pf << 10; + /* rvu_get_nix_blkaddr sets up the corresponding NIX block + * address and NIX RX and TX interfaces for a pcifunc. + * Generally it is called during attach call of a pcifunc but it + * is called here since we are pre-installing rules before + * nixlfs are attached + */ + rvu_get_nix_blkaddr(rvu, pcifunc); + + /* MCAM RX rule for a PF/VF already exists as default unicast + * rules installed by AF. Hence change the channel in those + * rules to ignore channel so that packets with the required + * DMAC received from LBK(by other PF/VFs in system) or from + * external world (from wire) are accepted. + */ + err = rvu_switch_install_rx_rule(rvu, pcifunc, 0x0); + if (err) { + dev_err(rvu->dev, "RX rule for PF%d failed(%d)\n", + pf, err); + return err; + } + + err = rvu_switch_install_tx_rule(rvu, pcifunc, start + entry); + if (err) { + dev_err(rvu->dev, "TX rule for PF%d failed(%d)\n", + pf, err); + return err; + } + + rswitch->entry2pcifunc[entry++] = pcifunc; + + rvu_get_pf_numvfs(rvu, pf, &numvfs, NULL); + for (vf = 0; vf < numvfs; vf++) { + pcifunc = pf << 10 | ((vf + 1) & 0x3FF); + rvu_get_nix_blkaddr(rvu, pcifunc); + + err = rvu_switch_install_rx_rule(rvu, pcifunc, 0x0); + if (err) { + dev_err(rvu->dev, + "RX rule for PF%dVF%d failed(%d)\n", + pf, vf, err); + return err; + } + + err = rvu_switch_install_tx_rule(rvu, pcifunc, + start + entry); + if (err) { + dev_err(rvu->dev, + "TX rule for PF%dVF%d failed(%d)\n", + pf, vf, err); + return err; + } + + rswitch->entry2pcifunc[entry++] = pcifunc; + } + } + + return 0; +} + +void rvu_switch_enable(struct rvu *rvu) +{ + struct npc_mcam_alloc_entry_req alloc_req = { 0 }; + struct npc_mcam_alloc_entry_rsp alloc_rsp = { 0 }; + struct npc_delete_flow_req uninstall_req = { 0 }; + struct npc_mcam_free_entry_req free_req = { 0 }; + struct rvu_switch *rswitch = &rvu->rswitch; + struct msg_rsp rsp; + int ret; + + alloc_req.contig = true; + alloc_req.count = rvu->cgx_mapped_pfs + rvu->cgx_mapped_vfs; + ret = rvu_mbox_handler_npc_mcam_alloc_entry(rvu, &alloc_req, + &alloc_rsp); + if (ret) { + dev_err(rvu->dev, + "Unable to allocate MCAM entries\n"); + goto exit; + } + + if (alloc_rsp.count != alloc_req.count) { + dev_err(rvu->dev, + "Unable to allocate %d MCAM entries, got %d\n", + alloc_req.count, alloc_rsp.count); + goto free_entries; + } + + rswitch->entry2pcifunc = kcalloc(alloc_req.count, sizeof(u16), + GFP_KERNEL); + if (!rswitch->entry2pcifunc) + goto free_entries; + + rswitch->used_entries = alloc_rsp.count; + rswitch->start_entry = alloc_rsp.entry; + + ret = rvu_switch_install_rules(rvu); + if (ret) + goto uninstall_rules; + + return; + +uninstall_rules: + uninstall_req.start = rswitch->start_entry; + uninstall_req.end = rswitch->start_entry + rswitch->used_entries - 1; + rvu_mbox_handler_npc_delete_flow(rvu, &uninstall_req, &rsp); + kfree(rswitch->entry2pcifunc); +free_entries: + free_req.all = 1; + rvu_mbox_handler_npc_mcam_free_entry(rvu, &free_req, &rsp); +exit: + return; +} + +void rvu_switch_disable(struct rvu *rvu) +{ + struct npc_delete_flow_req uninstall_req = { 0 }; + struct npc_mcam_free_entry_req free_req = { 0 }; + struct rvu_switch *rswitch = &rvu->rswitch; + struct rvu_hwinfo *hw = rvu->hw; + int pf, vf, numvfs; + struct msg_rsp rsp; + u16 pcifunc; + int err; + + if (!rswitch->used_entries) + return; + + for (pf = 1; pf < hw->total_pfs; pf++) { + if (!is_pf_cgxmapped(rvu, pf)) + continue; + + pcifunc = pf << 10; + err = rvu_switch_install_rx_rule(rvu, pcifunc, 0xFFF); + if (err) + dev_err(rvu->dev, + "Reverting RX rule for PF%d failed(%d)\n", + pf, err); + + rvu_get_pf_numvfs(rvu, pf, &numvfs, NULL); + for (vf = 0; vf < numvfs; vf++) { + pcifunc = pf << 10 | ((vf + 1) & 0x3FF); + err = rvu_switch_install_rx_rule(rvu, pcifunc, 0xFFF); + if (err) + dev_err(rvu->dev, + "Reverting RX rule for PF%dVF%d failed(%d)\n", + pf, vf, err); + } + } + + uninstall_req.start = rswitch->start_entry; + uninstall_req.end = rswitch->start_entry + rswitch->used_entries - 1; + free_req.all = 1; + rvu_mbox_handler_npc_delete_flow(rvu, &uninstall_req, &rsp); + rvu_mbox_handler_npc_mcam_free_entry(rvu, &free_req, &rsp); + rswitch->used_entries = 0; + kfree(rswitch->entry2pcifunc); +} + +void rvu_switch_update_rules(struct rvu *rvu, u16 pcifunc) +{ + struct rvu_switch *rswitch = &rvu->rswitch; + u32 max = rswitch->used_entries; + u16 entry; + + if (!rswitch->used_entries) + return; + + for (entry = 0; entry < max; entry++) { + if (rswitch->entry2pcifunc[entry] == pcifunc) + break; + } + + if (entry >= max) + return; + + rvu_switch_install_tx_rule(rvu, pcifunc, rswitch->start_entry + entry); + rvu_switch_install_rx_rule(rvu, pcifunc, 0x0); +} diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c index 7cccd802c4ed..70fcc1fd962f 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c @@ -924,12 +924,14 @@ static int otx2_cq_init(struct otx2_nic *pfvf, u16 qidx) aq->cq.drop = RQ_DROP_LVL_CQ(pfvf->hw.rq_skid, cq->cqe_cnt); aq->cq.drop_ena = 1; - /* Enable receive CQ backpressure */ - aq->cq.bp_ena = 1; - aq->cq.bpid = pfvf->bpid[0]; + if (!is_otx2_lbkvf(pfvf->pdev)) { + /* Enable receive CQ backpressure */ + aq->cq.bp_ena = 1; + aq->cq.bpid = pfvf->bpid[0]; - /* Set backpressure level is same as cq pass level */ - aq->cq.bp = RQ_PASS_LVL_CQ(pfvf->hw.rq_skid, qset->rqe_cnt); + /* Set backpressure level is same as cq pass level */ + aq->cq.bp = RQ_PASS_LVL_CQ(pfvf->hw.rq_skid, qset->rqe_cnt); + } } /* Fill AQ info */ @@ -1186,7 +1188,7 @@ static int otx2_aura_init(struct otx2_nic *pfvf, int aura_id, aq->aura.fc_hyst_bits = 0; /* Store count on all updates */ /* Enable backpressure for RQ aura */ - if (aura_id < pfvf->hw.rqpool_cnt) { + if (aura_id < pfvf->hw.rqpool_cnt && !is_otx2_lbkvf(pfvf->pdev)) { aq->aura.bp_ena = 0; aq->aura.nix0_bpid = pfvf->bpid[0]; /* Set backpressure level for RQ's Aura */ diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c index 8df748e0677b..b906a0eb6e0d 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c @@ -298,15 +298,14 @@ static int otx2_set_channels(struct net_device *dev, err = otx2_set_real_num_queues(dev, channel->tx_count, channel->rx_count); if (err) - goto fail; + return err; pfvf->hw.rx_queues = channel->rx_count; pfvf->hw.tx_queues = channel->tx_count; pfvf->qset.cq_cnt = pfvf->hw.tx_queues + pfvf->hw.rx_queues; -fail: if (if_up) - dev->netdev_ops->ndo_open(dev); + err = dev->netdev_ops->ndo_open(dev); netdev_info(dev, "Setting num Tx rings to %d, Rx rings to %d success\n", pfvf->hw.tx_queues, pfvf->hw.rx_queues); @@ -410,7 +409,7 @@ static int otx2_set_ringparam(struct net_device *netdev, qs->rqe_cnt = rx_count; if (if_up) - netdev->netdev_ops->ndo_open(netdev); + return netdev->netdev_ops->ndo_open(netdev); return 0; } diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c index f300b807a85b..2c24944a4dba 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c @@ -1662,6 +1662,7 @@ int otx2_open(struct net_device *netdev) err_tx_stop_queues: netif_tx_stop_all_queues(netdev); netif_carrier_off(netdev); + pf->flags |= OTX2_FLAG_INTF_DOWN; err_free_cints: otx2_free_cints(pf, qidx); vec = pci_irq_vector(pf->pdev, @@ -1689,6 +1690,10 @@ int otx2_stop(struct net_device *netdev) struct otx2_rss_info *rss; int qidx, vec, wrk; + /* If the DOWN flag is set resources are already freed */ + if (pf->flags & OTX2_FLAG_INTF_DOWN) + return 0; + netif_carrier_off(netdev); netif_tx_stop_all_queues(netdev); diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 00c84656b2e7..28ac4693da3c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -3535,6 +3535,7 @@ slave_start: if (!SRIOV_VALID_STATE(dev->flags)) { mlx4_err(dev, "Invalid SRIOV state\n"); + err = -EINVAL; goto err_close; } } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c index ceebfc20f65e..def2156e50ee 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c @@ -500,10 +500,7 @@ static int next_phys_dev(struct device *dev, const void *data) return 1; } -/* This function is called with two flows: - * 1. During initialization of mlx5_core_dev and we don't need to lock it. - * 2. During LAG configure stage and caller holds &mlx5_intf_mutex. - */ +/* Must be called with intf_mutex held */ struct mlx5_core_dev *mlx5_get_next_phys_dev(struct mlx5_core_dev *dev) { struct auxiliary_device *adev; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c index 150c8e82c738..2cbf18c967f7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c @@ -471,6 +471,15 @@ static void mlx5e_build_rx_cq_param(struct mlx5_core_dev *mdev, param->cq_period_mode = params->rx_cq_moderation.cq_period_mode; } +static u8 rq_end_pad_mode(struct mlx5_core_dev *mdev, struct mlx5e_params *params) +{ + bool ro = pcie_relaxed_ordering_enabled(mdev->pdev) && + MLX5_CAP_GEN(mdev, relaxed_ordering_write); + + return ro && params->lro_en ? + MLX5_WQ_END_PAD_MODE_NONE : MLX5_WQ_END_PAD_MODE_ALIGN; +} + int mlx5e_build_rq_param(struct mlx5_core_dev *mdev, struct mlx5e_params *params, struct mlx5e_xsk_param *xsk, @@ -508,7 +517,7 @@ int mlx5e_build_rq_param(struct mlx5_core_dev *mdev, } MLX5_SET(wq, wq, wq_type, params->rq_wq_type); - MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); + MLX5_SET(wq, wq, end_padding_mode, rq_end_pad_mode(mdev, params)); MLX5_SET(wq, wq, log_wq_stride, mlx5e_get_rqwq_log_stride(params->rq_wq_type, ndsegs)); MLX5_SET(wq, wq, pd, mdev->mlx5e_res.hw_objs.pdn); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c index 778e229310a9..efef4adce086 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c @@ -482,8 +482,11 @@ static void mlx5e_ptp_build_params(struct mlx5e_ptp *c, params->log_sq_size = orig->log_sq_size; mlx5e_ptp_build_sq_param(c->mdev, params, &cparams->txq_sq_param); } - if (test_bit(MLX5E_PTP_STATE_RX, c->state)) + /* RQ */ + if (test_bit(MLX5E_PTP_STATE_RX, c->state)) { + params->vlan_strip_disable = orig->vlan_strip_disable; mlx5e_ptp_build_rq_param(c->mdev, c->netdev, c->priv->q_counter, cparams); + } } static int mlx5e_init_ptp_rq(struct mlx5e_ptp *c, struct mlx5e_params *params, @@ -494,7 +497,7 @@ static int mlx5e_init_ptp_rq(struct mlx5e_ptp *c, struct mlx5e_params *params, int err; rq->wq_type = params->rq_wq_type; - rq->pdev = mdev->device; + rq->pdev = c->pdev; rq->netdev = priv->netdev; rq->priv = priv; rq->clock = &mdev->clock; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/trap.c b/drivers/net/ethernet/mellanox/mlx5/core/en/trap.c index 86ab4e864fe6..7f94508594fb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/trap.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/trap.c @@ -37,7 +37,7 @@ static void mlx5e_init_trap_rq(struct mlx5e_trap *t, struct mlx5e_params *params struct mlx5e_priv *priv = t->priv; rq->wq_type = params->rq_wq_type; - rq->pdev = mdev->device; + rq->pdev = t->pdev; rq->netdev = priv->netdev; rq->priv = priv; rq->clock = &mdev->clock; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index d09e65557e75..37c440837945 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -3384,7 +3384,7 @@ static int mlx5e_modify_channels_scatter_fcs(struct mlx5e_channels *chs, bool en static int mlx5e_modify_channels_vsd(struct mlx5e_channels *chs, bool vsd) { - int err = 0; + int err; int i; for (i = 0; i < chs->num; i++) { @@ -3392,6 +3392,8 @@ static int mlx5e_modify_channels_vsd(struct mlx5e_channels *chs, bool vsd) if (err) return err; } + if (chs->ptp && test_bit(MLX5E_PTP_STATE_RX, chs->ptp->state)) + return mlx5e_modify_rq_vsd(&chs->ptp->rq, vsd); return 0; } @@ -3829,6 +3831,24 @@ int mlx5e_set_features(struct net_device *netdev, netdev_features_t features) return 0; } +static netdev_features_t mlx5e_fix_uplink_rep_features(struct net_device *netdev, + netdev_features_t features) +{ + features &= ~NETIF_F_HW_TLS_RX; + if (netdev->features & NETIF_F_HW_TLS_RX) + netdev_warn(netdev, "Disabling hw_tls_rx, not supported in switchdev mode\n"); + + features &= ~NETIF_F_HW_TLS_TX; + if (netdev->features & NETIF_F_HW_TLS_TX) + netdev_warn(netdev, "Disabling hw_tls_tx, not supported in switchdev mode\n"); + + features &= ~NETIF_F_NTUPLE; + if (netdev->features & NETIF_F_NTUPLE) + netdev_warn(netdev, "Disabling ntuple, not supported in switchdev mode\n"); + + return features; +} + static netdev_features_t mlx5e_fix_features(struct net_device *netdev, netdev_features_t features) { @@ -3860,15 +3880,8 @@ static netdev_features_t mlx5e_fix_features(struct net_device *netdev, netdev_warn(netdev, "Disabling rxhash, not supported when CQE compress is active\n"); } - if (mlx5e_is_uplink_rep(priv)) { - features &= ~NETIF_F_HW_TLS_RX; - if (netdev->features & NETIF_F_HW_TLS_RX) - netdev_warn(netdev, "Disabling hw_tls_rx, not supported in switchdev mode\n"); - - features &= ~NETIF_F_HW_TLS_TX; - if (netdev->features & NETIF_F_HW_TLS_TX) - netdev_warn(netdev, "Disabling hw_tls_tx, not supported in switchdev mode\n"); - } + if (mlx5e_is_uplink_rep(priv)) + features = mlx5e_fix_uplink_rep_features(netdev, features); mutex_unlock(&priv->state_lock); @@ -4859,6 +4872,9 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev) if (MLX5_CAP_ETH(mdev, scatter_fcs)) netdev->hw_features |= NETIF_F_RXFCS; + if (mlx5_qos_is_supported(mdev)) + netdev->hw_features |= NETIF_F_HW_TC; + netdev->features = netdev->hw_features; /* Defaults */ @@ -4879,8 +4895,6 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev) netdev->hw_features |= NETIF_F_NTUPLE; #endif } - if (mlx5_qos_is_supported(mdev)) - netdev->features |= NETIF_F_HW_TC; netdev->features |= NETIF_F_HIGHDMA; netdev->features |= NETIF_F_HW_VLAN_STAG_FILTER; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 629a61e8022f..d273758255c3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -452,12 +452,32 @@ static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, static struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) { + struct mlx5_core_dev *mdev; struct net_device *netdev; struct mlx5e_priv *priv; - netdev = __dev_get_by_index(net, ifindex); + netdev = dev_get_by_index(net, ifindex); + if (!netdev) + return ERR_PTR(-ENODEV); + priv = netdev_priv(netdev); - return priv->mdev; + mdev = priv->mdev; + dev_put(netdev); + + /* Mirred tc action holds a refcount on the ifindex net_device (see + * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev + * after dev_put(netdev), while we're in the context of adding a tc flow. + * + * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then + * stored in a hairpin object, which exists until all flows, that refer to it, get + * removed. + * + * On the other hand, after a hairpin object has been created, the peer net_device may + * be removed/unbound while there are still some hairpin flows that are using it. This + * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to + * NETDEV_UNREGISTER event of the peer net_device. + */ + return mdev; } static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) @@ -666,6 +686,10 @@ mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params func_mdev = priv->mdev; peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); + if (IS_ERR(peer_mdev)) { + err = PTR_ERR(peer_mdev); + goto create_pair_err; + } pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); if (IS_ERR(pair)) { @@ -804,6 +828,11 @@ static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, int err; peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); + if (IS_ERR(peer_mdev)) { + NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); + return PTR_ERR(peer_mdev); + } + if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); return -EOPNOTSUPP; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h index 48cac5bf606d..d562edf5b0bc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -636,7 +636,7 @@ struct esw_vport_tbl_namespace { }; struct mlx5_vport_tbl_attr { - u16 chain; + u32 chain; u16 prio; u16 vport; const struct esw_vport_tbl_namespace *vport_ns; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 7579f3402776..011e766e4f67 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -382,10 +382,11 @@ esw_setup_vport_dest(struct mlx5_flow_destination *dest, struct mlx5_flow_act *f { dest[dest_idx].type = MLX5_FLOW_DESTINATION_TYPE_VPORT; dest[dest_idx].vport.num = esw_attr->dests[attr_idx].rep->vport; - dest[dest_idx].vport.vhca_id = - MLX5_CAP_GEN(esw_attr->dests[attr_idx].mdev, vhca_id); - if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) + if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) { + dest[dest_idx].vport.vhca_id = + MLX5_CAP_GEN(esw_attr->dests[attr_idx].mdev, vhca_id); dest[dest_idx].vport.flags |= MLX5_FLOW_DEST_VPORT_VHCA_ID; + } if (esw_attr->dests[attr_idx].flags & MLX5_ESW_DEST_ENCAP) { if (pkt_reformat) { flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; @@ -2367,6 +2368,9 @@ static int mlx5_esw_offloads_devcom_event(int event, switch (event) { case ESW_OFFLOADS_DEVCOM_PAIR: + if (mlx5_get_next_phys_dev(esw->dev) != peer_esw->dev) + break; + if (mlx5_eswitch_vport_match_metadata_enabled(esw) != mlx5_eswitch_vport_match_metadata_enabled(peer_esw)) break; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index d7bf0a3e4a52..c0697e1b7118 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -1024,17 +1024,19 @@ static int connect_fwd_rules(struct mlx5_core_dev *dev, static int connect_flow_table(struct mlx5_core_dev *dev, struct mlx5_flow_table *ft, struct fs_prio *prio) { - struct mlx5_flow_table *next_ft; + struct mlx5_flow_table *next_ft, *first_ft; int err = 0; /* Connect_prev_fts and update_root_ft_create are mutually exclusive */ - if (list_empty(&prio->node.children)) { + first_ft = list_first_entry_or_null(&prio->node.children, + struct mlx5_flow_table, node.list); + if (!first_ft || first_ft->level > ft->level) { err = connect_prev_fts(dev, ft, prio); if (err) return err; - next_ft = find_next_chained_ft(prio); + next_ft = first_ft ? first_ft : find_next_chained_ft(prio); err = connect_fwd_rules(dev, ft, next_ft); if (err) return err; @@ -2120,7 +2122,7 @@ static int disconnect_flow_table(struct mlx5_flow_table *ft) node.list) == ft)) return 0; - next_ft = find_next_chained_ft(prio); + next_ft = find_next_ft(ft); err = connect_fwd_rules(dev, next_ft, ft); if (err) return err; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c index 9ff163c5bcde..9abeb80ffa31 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c @@ -626,8 +626,16 @@ static void mlx5_fw_fatal_reporter_err_work(struct work_struct *work) } fw_reporter_ctx.err_synd = health->synd; fw_reporter_ctx.miss_counter = health->miss_counter; - devlink_health_report(health->fw_fatal_reporter, - "FW fatal error reported", &fw_reporter_ctx); + if (devlink_health_report(health->fw_fatal_reporter, + "FW fatal error reported", &fw_reporter_ctx) == -ECANCELED) { + /* If recovery wasn't performed, due to grace period, + * unload the driver. This ensures that the driver + * closes all its resources and it is not subjected to + * requests from the kernel. + */ + mlx5_core_err(dev, "Driver is in error state. Unloading\n"); + mlx5_unload_one(dev); + } } static const struct devlink_health_reporter_ops mlx5_fw_fatal_reporter_ops = { diff --git a/drivers/net/ethernet/microchip/sparx5/Kconfig b/drivers/net/ethernet/microchip/sparx5/Kconfig index ac403d43c74c..7bdbb2d09a14 100644 --- a/drivers/net/ethernet/microchip/sparx5/Kconfig +++ b/drivers/net/ethernet/microchip/sparx5/Kconfig @@ -3,6 +3,7 @@ config SPARX5_SWITCH depends on NET_SWITCHDEV depends on HAS_IOMEM depends on OF + depends on ARCH_SPARX5 || COMPILE_TEST select PHYLINK select PHY_SPARX5_SERDES select RESET_CONTROLLER diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index af3a5368529c..e795fa63ca12 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -29,7 +29,7 @@ static const u8 ionic_qtype_versions[IONIC_QTYPE_MAX] = { */ }; -static void ionic_lif_rx_mode(struct ionic_lif *lif, unsigned int rx_mode); +static void ionic_lif_rx_mode(struct ionic_lif *lif); static int ionic_lif_addr_add(struct ionic_lif *lif, const u8 *addr); static int ionic_lif_addr_del(struct ionic_lif *lif, const u8 *addr); static void ionic_link_status_check(struct ionic_lif *lif); @@ -53,7 +53,19 @@ static void ionic_dim_work(struct work_struct *work) cur_moder = net_dim_get_rx_moderation(dim->mode, dim->profile_ix); qcq = container_of(dim, struct ionic_qcq, dim); new_coal = ionic_coal_usec_to_hw(qcq->q.lif->ionic, cur_moder.usec); - qcq->intr.dim_coal_hw = new_coal ? new_coal : 1; + new_coal = new_coal ? new_coal : 1; + + if (qcq->intr.dim_coal_hw != new_coal) { + unsigned int qi = qcq->cq.bound_q->index; + struct ionic_lif *lif = qcq->q.lif; + + qcq->intr.dim_coal_hw = new_coal; + + ionic_intr_coal_init(lif->ionic->idev.intr_ctrl, + lif->rxqcqs[qi]->intr.index, + qcq->intr.dim_coal_hw); + } + dim->state = DIM_START_MEASURE; } @@ -77,7 +89,7 @@ static void ionic_lif_deferred_work(struct work_struct *work) switch (w->type) { case IONIC_DW_TYPE_RX_MODE: - ionic_lif_rx_mode(lif, w->rx_mode); + ionic_lif_rx_mode(lif); break; case IONIC_DW_TYPE_RX_ADDR_ADD: ionic_lif_addr_add(lif, w->addr); @@ -1301,10 +1313,8 @@ static int ionic_lif_addr_del(struct ionic_lif *lif, const u8 *addr) return 0; } -static int ionic_lif_addr(struct ionic_lif *lif, const u8 *addr, bool add, - bool can_sleep) +static int ionic_lif_addr(struct ionic_lif *lif, const u8 *addr, bool add) { - struct ionic_deferred_work *work; unsigned int nmfilters; unsigned int nufilters; @@ -1330,97 +1340,46 @@ static int ionic_lif_addr(struct ionic_lif *lif, const u8 *addr, bool add, lif->nucast--; } - if (!can_sleep) { - work = kzalloc(sizeof(*work), GFP_ATOMIC); - if (!work) - return -ENOMEM; - work->type = add ? IONIC_DW_TYPE_RX_ADDR_ADD : - IONIC_DW_TYPE_RX_ADDR_DEL; - memcpy(work->addr, addr, ETH_ALEN); - netdev_dbg(lif->netdev, "deferred: rx_filter %s %pM\n", - add ? "add" : "del", addr); - ionic_lif_deferred_enqueue(&lif->deferred, work); - } else { - netdev_dbg(lif->netdev, "rx_filter %s %pM\n", - add ? "add" : "del", addr); - if (add) - return ionic_lif_addr_add(lif, addr); - else - return ionic_lif_addr_del(lif, addr); - } + netdev_dbg(lif->netdev, "rx_filter %s %pM\n", + add ? "add" : "del", addr); + if (add) + return ionic_lif_addr_add(lif, addr); + else + return ionic_lif_addr_del(lif, addr); return 0; } static int ionic_addr_add(struct net_device *netdev, const u8 *addr) { - return ionic_lif_addr(netdev_priv(netdev), addr, ADD_ADDR, CAN_SLEEP); -} - -static int ionic_ndo_addr_add(struct net_device *netdev, const u8 *addr) -{ - return ionic_lif_addr(netdev_priv(netdev), addr, ADD_ADDR, CAN_NOT_SLEEP); + return ionic_lif_addr(netdev_priv(netdev), addr, ADD_ADDR); } static int ionic_addr_del(struct net_device *netdev, const u8 *addr) { - return ionic_lif_addr(netdev_priv(netdev), addr, DEL_ADDR, CAN_SLEEP); + return ionic_lif_addr(netdev_priv(netdev), addr, DEL_ADDR); } -static int ionic_ndo_addr_del(struct net_device *netdev, const u8 *addr) +static void ionic_lif_rx_mode(struct ionic_lif *lif) { - return ionic_lif_addr(netdev_priv(netdev), addr, DEL_ADDR, CAN_NOT_SLEEP); -} - -static void ionic_lif_rx_mode(struct ionic_lif *lif, unsigned int rx_mode) -{ - struct ionic_admin_ctx ctx = { - .work = COMPLETION_INITIALIZER_ONSTACK(ctx.work), - .cmd.rx_mode_set = { - .opcode = IONIC_CMD_RX_MODE_SET, - .lif_index = cpu_to_le16(lif->index), - .rx_mode = cpu_to_le16(rx_mode), - }, - }; + struct net_device *netdev = lif->netdev; + unsigned int nfilters; + unsigned int nd_flags; char buf[128]; - int err; + u16 rx_mode; int i; #define REMAIN(__x) (sizeof(buf) - (__x)) - i = scnprintf(buf, sizeof(buf), "rx_mode 0x%04x -> 0x%04x:", - lif->rx_mode, rx_mode); - if (rx_mode & IONIC_RX_MODE_F_UNICAST) - i += scnprintf(&buf[i], REMAIN(i), " RX_MODE_F_UNICAST"); - if (rx_mode & IONIC_RX_MODE_F_MULTICAST) - i += scnprintf(&buf[i], REMAIN(i), " RX_MODE_F_MULTICAST"); - if (rx_mode & IONIC_RX_MODE_F_BROADCAST) - i += scnprintf(&buf[i], REMAIN(i), " RX_MODE_F_BROADCAST"); - if (rx_mode & IONIC_RX_MODE_F_PROMISC) - i += scnprintf(&buf[i], REMAIN(i), " RX_MODE_F_PROMISC"); - if (rx_mode & IONIC_RX_MODE_F_ALLMULTI) - i += scnprintf(&buf[i], REMAIN(i), " RX_MODE_F_ALLMULTI"); - netdev_dbg(lif->netdev, "lif%d %s\n", lif->index, buf); - - err = ionic_adminq_post_wait(lif, &ctx); - if (err) - netdev_warn(lif->netdev, "set rx_mode 0x%04x failed: %d\n", - rx_mode, err); - else - lif->rx_mode = rx_mode; -} + mutex_lock(&lif->config_lock); -static void ionic_set_rx_mode(struct net_device *netdev, bool can_sleep) -{ - struct ionic_lif *lif = netdev_priv(netdev); - struct ionic_deferred_work *work; - unsigned int nfilters; - unsigned int rx_mode; + /* grab the flags once for local use */ + nd_flags = netdev->flags; rx_mode = IONIC_RX_MODE_F_UNICAST; - rx_mode |= (netdev->flags & IFF_MULTICAST) ? IONIC_RX_MODE_F_MULTICAST : 0; - rx_mode |= (netdev->flags & IFF_BROADCAST) ? IONIC_RX_MODE_F_BROADCAST : 0; - rx_mode |= (netdev->flags & IFF_PROMISC) ? IONIC_RX_MODE_F_PROMISC : 0; - rx_mode |= (netdev->flags & IFF_ALLMULTI) ? IONIC_RX_MODE_F_ALLMULTI : 0; + rx_mode |= (nd_flags & IFF_MULTICAST) ? IONIC_RX_MODE_F_MULTICAST : 0; + rx_mode |= (nd_flags & IFF_BROADCAST) ? IONIC_RX_MODE_F_BROADCAST : 0; + rx_mode |= (nd_flags & IFF_PROMISC) ? IONIC_RX_MODE_F_PROMISC : 0; + rx_mode |= (nd_flags & IFF_ALLMULTI) ? IONIC_RX_MODE_F_ALLMULTI : 0; /* sync unicast addresses * next check to see if we're in an overflow state @@ -1429,49 +1388,83 @@ static void ionic_set_rx_mode(struct net_device *netdev, bool can_sleep) * we remove our overflow flag and check the netdev flags * to see if we can disable NIC PROMISC */ - if (can_sleep) - __dev_uc_sync(netdev, ionic_addr_add, ionic_addr_del); - else - __dev_uc_sync(netdev, ionic_ndo_addr_add, ionic_ndo_addr_del); + __dev_uc_sync(netdev, ionic_addr_add, ionic_addr_del); nfilters = le32_to_cpu(lif->identity->eth.max_ucast_filters); if (netdev_uc_count(netdev) + 1 > nfilters) { rx_mode |= IONIC_RX_MODE_F_PROMISC; lif->uc_overflow = true; } else if (lif->uc_overflow) { lif->uc_overflow = false; - if (!(netdev->flags & IFF_PROMISC)) + if (!(nd_flags & IFF_PROMISC)) rx_mode &= ~IONIC_RX_MODE_F_PROMISC; } /* same for multicast */ - if (can_sleep) - __dev_mc_sync(netdev, ionic_addr_add, ionic_addr_del); - else - __dev_mc_sync(netdev, ionic_ndo_addr_add, ionic_ndo_addr_del); + __dev_mc_sync(netdev, ionic_addr_add, ionic_addr_del); nfilters = le32_to_cpu(lif->identity->eth.max_mcast_filters); if (netdev_mc_count(netdev) > nfilters) { rx_mode |= IONIC_RX_MODE_F_ALLMULTI; lif->mc_overflow = true; } else if (lif->mc_overflow) { lif->mc_overflow = false; - if (!(netdev->flags & IFF_ALLMULTI)) + if (!(nd_flags & IFF_ALLMULTI)) rx_mode &= ~IONIC_RX_MODE_F_ALLMULTI; } + i = scnprintf(buf, sizeof(buf), "rx_mode 0x%04x -> 0x%04x:", + lif->rx_mode, rx_mode); + if (rx_mode & IONIC_RX_MODE_F_UNICAST) + i += scnprintf(&buf[i], REMAIN(i), " RX_MODE_F_UNICAST"); + if (rx_mode & IONIC_RX_MODE_F_MULTICAST) + i += scnprintf(&buf[i], REMAIN(i), " RX_MODE_F_MULTICAST"); + if (rx_mode & IONIC_RX_MODE_F_BROADCAST) + i += scnprintf(&buf[i], REMAIN(i), " RX_MODE_F_BROADCAST"); + if (rx_mode & IONIC_RX_MODE_F_PROMISC) + i += scnprintf(&buf[i], REMAIN(i), " RX_MODE_F_PROMISC"); + if (rx_mode & IONIC_RX_MODE_F_ALLMULTI) + i += scnprintf(&buf[i], REMAIN(i), " RX_MODE_F_ALLMULTI"); + if (rx_mode & IONIC_RX_MODE_F_RDMA_SNIFFER) + i += scnprintf(&buf[i], REMAIN(i), " RX_MODE_F_RDMA_SNIFFER"); + netdev_dbg(netdev, "lif%d %s\n", lif->index, buf); + if (lif->rx_mode != rx_mode) { - if (!can_sleep) { - work = kzalloc(sizeof(*work), GFP_ATOMIC); - if (!work) { - netdev_err(lif->netdev, "rxmode change dropped\n"); - return; - } - work->type = IONIC_DW_TYPE_RX_MODE; - work->rx_mode = rx_mode; - netdev_dbg(lif->netdev, "deferred: rx_mode\n"); - ionic_lif_deferred_enqueue(&lif->deferred, work); - } else { - ionic_lif_rx_mode(lif, rx_mode); + struct ionic_admin_ctx ctx = { + .work = COMPLETION_INITIALIZER_ONSTACK(ctx.work), + .cmd.rx_mode_set = { + .opcode = IONIC_CMD_RX_MODE_SET, + .lif_index = cpu_to_le16(lif->index), + }, + }; + int err; + + ctx.cmd.rx_mode_set.rx_mode = cpu_to_le16(rx_mode); + err = ionic_adminq_post_wait(lif, &ctx); + if (err) + netdev_warn(netdev, "set rx_mode 0x%04x failed: %d\n", + rx_mode, err); + else + lif->rx_mode = rx_mode; + } + + mutex_unlock(&lif->config_lock); +} + +static void ionic_set_rx_mode(struct net_device *netdev, bool can_sleep) +{ + struct ionic_lif *lif = netdev_priv(netdev); + struct ionic_deferred_work *work; + + if (!can_sleep) { + work = kzalloc(sizeof(*work), GFP_ATOMIC); + if (!work) { + netdev_err(lif->netdev, "rxmode change dropped\n"); + return; } + work->type = IONIC_DW_TYPE_RX_MODE; + netdev_dbg(lif->netdev, "deferred: rx_mode\n"); + ionic_lif_deferred_enqueue(&lif->deferred, work); + } else { + ionic_lif_rx_mode(lif); } } @@ -3058,6 +3051,7 @@ void ionic_lif_deinit(struct ionic_lif *lif) ionic_lif_qcq_deinit(lif, lif->notifyqcq); ionic_lif_qcq_deinit(lif, lif->adminqcq); + mutex_destroy(&lif->config_lock); mutex_destroy(&lif->queue_lock); ionic_lif_reset(lif); } @@ -3185,7 +3179,7 @@ static int ionic_station_set(struct ionic_lif *lif) */ if (!ether_addr_equal(ctx.comp.lif_getattr.mac, netdev->dev_addr)) - ionic_lif_addr(lif, netdev->dev_addr, ADD_ADDR, CAN_SLEEP); + ionic_lif_addr(lif, netdev->dev_addr, ADD_ADDR); } else { /* Update the netdev mac with the device's mac */ memcpy(addr.sa_data, ctx.comp.lif_getattr.mac, netdev->addr_len); @@ -3202,7 +3196,7 @@ static int ionic_station_set(struct ionic_lif *lif) netdev_dbg(lif->netdev, "adding station MAC addr %pM\n", netdev->dev_addr); - ionic_lif_addr(lif, netdev->dev_addr, ADD_ADDR, CAN_SLEEP); + ionic_lif_addr(lif, netdev->dev_addr, ADD_ADDR); return 0; } @@ -3225,6 +3219,7 @@ int ionic_lif_init(struct ionic_lif *lif) lif->hw_index = le16_to_cpu(comp.hw_index); mutex_init(&lif->queue_lock); + mutex_init(&lif->config_lock); /* now that we have the hw_index we can figure out our doorbell page */ lif->dbid_count = le32_to_cpu(lif->ionic->ident.dev.ndbpgs_per_lif); diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h index 346506f01715..69ab59fedb6c 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h @@ -108,7 +108,6 @@ struct ionic_deferred_work { struct list_head list; enum ionic_deferred_work_type type; union { - unsigned int rx_mode; u8 addr[ETH_ALEN]; u8 fw_status; }; @@ -179,6 +178,7 @@ struct ionic_lif { unsigned int index; unsigned int hw_index; struct mutex queue_lock; /* lock for queue structures */ + struct mutex config_lock; /* lock for config actions */ spinlock_t adminq_lock; /* lock for AdminQ operations */ struct ionic_qcq *adminqcq; struct ionic_qcq *notifyqcq; @@ -199,7 +199,7 @@ struct ionic_lif { unsigned int nrxq_descs; u32 rx_copybreak; u64 rxq_features; - unsigned int rx_mode; + u16 rx_mode; u64 hw_features; bool registered; bool mc_overflow; @@ -302,7 +302,7 @@ int ionic_lif_identify(struct ionic *ionic, u8 lif_type, int ionic_lif_size(struct ionic *ionic); #if IS_ENABLED(CONFIG_PTP_1588_CLOCK) -int ionic_lif_hwstamp_replay(struct ionic_lif *lif); +void ionic_lif_hwstamp_replay(struct ionic_lif *lif); int ionic_lif_hwstamp_set(struct ionic_lif *lif, struct ifreq *ifr); int ionic_lif_hwstamp_get(struct ionic_lif *lif, struct ifreq *ifr); ktime_t ionic_lif_phc_ktime(struct ionic_lif *lif, u64 counter); @@ -311,10 +311,7 @@ void ionic_lif_unregister_phc(struct ionic_lif *lif); void ionic_lif_alloc_phc(struct ionic_lif *lif); void ionic_lif_free_phc(struct ionic_lif *lif); #else -static inline int ionic_lif_hwstamp_replay(struct ionic_lif *lif) -{ - return -EOPNOTSUPP; -} +static inline void ionic_lif_hwstamp_replay(struct ionic_lif *lif) {} static inline int ionic_lif_hwstamp_set(struct ionic_lif *lif, struct ifreq *ifr) { diff --git a/drivers/net/ethernet/pensando/ionic/ionic_phc.c b/drivers/net/ethernet/pensando/ionic/ionic_phc.c index a87c87e86aef..6e2403c71608 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_phc.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_phc.c @@ -188,6 +188,9 @@ int ionic_lif_hwstamp_set(struct ionic_lif *lif, struct ifreq *ifr) struct hwtstamp_config config; int err; + if (!lif->phc || !lif->phc->ptp) + return -EOPNOTSUPP; + if (copy_from_user(&config, ifr->ifr_data, sizeof(config))) return -EFAULT; @@ -203,15 +206,16 @@ int ionic_lif_hwstamp_set(struct ionic_lif *lif, struct ifreq *ifr) return 0; } -int ionic_lif_hwstamp_replay(struct ionic_lif *lif) +void ionic_lif_hwstamp_replay(struct ionic_lif *lif) { int err; + if (!lif->phc || !lif->phc->ptp) + return; + err = ionic_lif_hwstamp_set_ts_config(lif, NULL); if (err) netdev_info(lif->netdev, "hwstamp replay failed: %d\n", err); - - return err; } int ionic_lif_hwstamp_get(struct ionic_lif *lif, struct ifreq *ifr) diff --git a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c index 08934888575c..08870190e4d2 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c @@ -274,12 +274,11 @@ static void ionic_rx_clean(struct ionic_queue *q, } } - if (likely(netdev->features & NETIF_F_RXCSUM)) { - if (comp->csum_flags & IONIC_RXQ_COMP_CSUM_F_CALC) { - skb->ip_summed = CHECKSUM_COMPLETE; - skb->csum = (__force __wsum)le16_to_cpu(comp->csum); - stats->csum_complete++; - } + if (likely(netdev->features & NETIF_F_RXCSUM) && + (comp->csum_flags & IONIC_RXQ_COMP_CSUM_F_CALC)) { + skb->ip_summed = CHECKSUM_COMPLETE; + skb->csum = (__force __wsum)le16_to_cpu(comp->csum); + stats->csum_complete++; } else { stats->csum_none++; } @@ -451,11 +450,12 @@ void ionic_rx_empty(struct ionic_queue *q) q->tail_idx = 0; } -static void ionic_dim_update(struct ionic_qcq *qcq) +static void ionic_dim_update(struct ionic_qcq *qcq, int napi_mode) { struct dim_sample dim_sample; struct ionic_lif *lif; unsigned int qi; + u64 pkts, bytes; if (!qcq->intr.dim_coal_hw) return; @@ -463,14 +463,23 @@ static void ionic_dim_update(struct ionic_qcq *qcq) lif = qcq->q.lif; qi = qcq->cq.bound_q->index; - ionic_intr_coal_init(lif->ionic->idev.intr_ctrl, - lif->rxqcqs[qi]->intr.index, - qcq->intr.dim_coal_hw); + switch (napi_mode) { + case IONIC_LIF_F_TX_DIM_INTR: + pkts = lif->txqstats[qi].pkts; + bytes = lif->txqstats[qi].bytes; + break; + case IONIC_LIF_F_RX_DIM_INTR: + pkts = lif->rxqstats[qi].pkts; + bytes = lif->rxqstats[qi].bytes; + break; + default: + pkts = lif->txqstats[qi].pkts + lif->rxqstats[qi].pkts; + bytes = lif->txqstats[qi].bytes + lif->rxqstats[qi].bytes; + break; + } dim_update_sample(qcq->cq.bound_intr->rearm_count, - lif->txqstats[qi].pkts, - lif->txqstats[qi].bytes, - &dim_sample); + pkts, bytes, &dim_sample); net_dim(&qcq->dim, dim_sample); } @@ -491,7 +500,7 @@ int ionic_tx_napi(struct napi_struct *napi, int budget) ionic_tx_service, NULL, NULL); if (work_done < budget && napi_complete_done(napi, work_done)) { - ionic_dim_update(qcq); + ionic_dim_update(qcq, IONIC_LIF_F_TX_DIM_INTR); flags |= IONIC_INTR_CRED_UNMASK; cq->bound_intr->rearm_count++; } @@ -530,7 +539,7 @@ int ionic_rx_napi(struct napi_struct *napi, int budget) ionic_rx_fill(cq->bound_q); if (work_done < budget && napi_complete_done(napi, work_done)) { - ionic_dim_update(qcq); + ionic_dim_update(qcq, IONIC_LIF_F_RX_DIM_INTR); flags |= IONIC_INTR_CRED_UNMASK; cq->bound_intr->rearm_count++; } @@ -576,7 +585,7 @@ int ionic_txrx_napi(struct napi_struct *napi, int budget) ionic_rx_fill(rxcq->bound_q); if (rx_work_done < budget && napi_complete_done(napi, rx_work_done)) { - ionic_dim_update(qcq); + ionic_dim_update(qcq, 0); flags |= IONIC_INTR_CRED_UNMASK; rxcq->bound_intr->rearm_count++; } diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c index c59b72c90293..a2e4dfb5cb44 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_filter.c +++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c @@ -831,7 +831,7 @@ int qede_configure_vlan_filters(struct qede_dev *edev) int qede_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid) { struct qede_dev *edev = netdev_priv(dev); - struct qede_vlan *vlan = NULL; + struct qede_vlan *vlan; int rc = 0; DP_VERBOSE(edev, NETIF_MSG_IFDOWN, "Removing vlan 0x%04x\n", vid); @@ -842,7 +842,7 @@ int qede_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid) if (vlan->vid == vid) break; - if (!vlan || (vlan->vid != vid)) { + if (list_entry_is_head(vlan, &edev->vlan_list, list)) { DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), "Vlan isn't configured\n"); goto out; diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index 2376b2729633..c00ad57575ea 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -154,7 +154,7 @@ static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev) "driver lock acquired\n"); return 1; } - ssleep(1); + mdelay(1000); } while (++i < 10); netdev_err(qdev->ndev, "Timed out waiting for driver lock...\n"); @@ -3274,7 +3274,7 @@ static int ql_adapter_reset(struct ql3_adapter *qdev) if ((value & ISP_CONTROL_SR) == 0) break; - ssleep(1); + mdelay(1000); } while ((--max_wait_time)); /* @@ -3310,7 +3310,7 @@ static int ql_adapter_reset(struct ql3_adapter *qdev) ispControlStatus); if ((value & ISP_CONTROL_FSR) == 0) break; - ssleep(1); + mdelay(1000); } while ((--max_wait_time)); } if (max_wait_time == 0) diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index f744557c33a3..c7af5bc3b8af 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -5084,7 +5084,8 @@ static int r8169_mdio_register(struct rtl8169_private *tp) new_bus->priv = tp; new_bus->parent = &pdev->dev; new_bus->irq[0] = PHY_MAC_INTERRUPT; - snprintf(new_bus->id, MII_BUS_ID_SIZE, "r8169-%x", pci_dev_id(pdev)); + snprintf(new_bus->id, MII_BUS_ID_SIZE, "r8169-%x-%x", + pci_domain_nr(pdev->bus), pci_dev_id(pdev)); new_bus->read = r8169_mdio_read_reg; new_bus->write = r8169_mdio_write_reg; diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h index 86a1eb0634e8..80e62ca2e3d3 100644 --- a/drivers/net/ethernet/renesas/ravb.h +++ b/drivers/net/ethernet/renesas/ravb.h @@ -864,7 +864,7 @@ enum GECMR_BIT { /* The Ethernet AVB descriptor definitions. */ struct ravb_desc { - __le16 ds; /* Descriptor size */ + __le16 ds; /* Descriptor size */ u8 cc; /* Content control MSBs (reserved) */ u8 die_dt; /* Descriptor interrupt enable and type */ __le32 dptr; /* Descriptor pointer */ diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 69c50f81e1cb..805397088850 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -920,7 +920,7 @@ static int ravb_poll(struct napi_struct *napi, int budget) if (ravb_rx(ndev, "a, q)) goto out; - /* Processing RX Descriptor Ring */ + /* Processing TX Descriptor Ring */ spin_lock_irqsave(&priv->lock, flags); /* Clear TX interrupt */ ravb_write(ndev, ~(mask | TIS_RESERVED), TIS); diff --git a/drivers/net/ethernet/sis/sis900.c b/drivers/net/ethernet/sis/sis900.c index ca9c00b7f588..cff87de9178a 100644 --- a/drivers/net/ethernet/sis/sis900.c +++ b/drivers/net/ethernet/sis/sis900.c @@ -443,7 +443,7 @@ static int sis900_probe(struct pci_dev *pci_dev, #endif /* setup various bits in PCI command register */ - ret = pci_enable_device(pci_dev); + ret = pcim_enable_device(pci_dev); if(ret) return ret; i = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32)); @@ -469,7 +469,7 @@ static int sis900_probe(struct pci_dev *pci_dev, ioaddr = pci_iomap(pci_dev, 0, 0); if (!ioaddr) { ret = -ENOMEM; - goto err_out_cleardev; + goto err_out; } sis_priv = netdev_priv(net_dev); @@ -581,8 +581,6 @@ err_unmap_tx: sis_priv->tx_ring_dma); err_out_unmap: pci_iounmap(pci_dev, ioaddr); -err_out_cleardev: - pci_release_regions(pci_dev); err_out: free_netdev(net_dev); return ret; @@ -2499,7 +2497,6 @@ static void sis900_remove(struct pci_dev *pci_dev) sis_priv->tx_ring_dma); pci_iounmap(pci_dev, sis_priv->ioaddr); free_netdev(net_dev); - pci_release_regions(pci_dev); } static int __maybe_unused sis900_suspend(struct device *dev) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 67ba083eb90c..b21745368983 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -1249,6 +1249,7 @@ const struct stmmac_ops dwmac410_ops = { .config_l3_filter = dwmac4_config_l3_filter, .config_l4_filter = dwmac4_config_l4_filter, .est_configure = dwmac5_est_configure, + .est_irq_status = dwmac5_est_irq_status, .fpe_configure = dwmac5_fpe_configure, .fpe_send_mpacket = dwmac5_fpe_send_mpacket, .fpe_irq_status = dwmac5_fpe_irq_status, @@ -1300,6 +1301,7 @@ const struct stmmac_ops dwmac510_ops = { .config_l3_filter = dwmac4_config_l3_filter, .config_l4_filter = dwmac4_config_l4_filter, .est_configure = dwmac5_est_configure, + .est_irq_status = dwmac5_est_irq_status, .fpe_configure = dwmac5_fpe_configure, .fpe_send_mpacket = dwmac5_fpe_send_mpacket, .fpe_irq_status = dwmac5_fpe_irq_status, diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index 74e748662ec0..860644d182ab 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -8191,8 +8191,9 @@ static int niu_pci_vpd_fetch(struct niu *np, u32 start) err = niu_pci_vpd_scan_props(np, here, end); if (err < 0) return err; + /* ret == 1 is not an error */ if (err == 1) - return -EINVAL; + return 0; } return 0; } diff --git a/drivers/net/ethernet/xscale/ptp_ixp46x.c b/drivers/net/ethernet/xscale/ptp_ixp46x.c index 99d4d9439d05..a6fb88fd42f7 100644 --- a/drivers/net/ethernet/xscale/ptp_ixp46x.c +++ b/drivers/net/ethernet/xscale/ptp_ixp46x.c @@ -14,6 +14,8 @@ #include <linux/kernel.h> #include <linux/ptp_clock_kernel.h> #include <linux/soc/ixp4xx/cpu.h> +#include <linux/module.h> +#include <mach/ixp4xx-regs.h> #include "ixp46x_ts.h" diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 7bf3011b8e77..83aea5c5cd03 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -288,7 +288,7 @@ static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev) if (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY) { if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54210E || BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810 || - BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54210E) + BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54811) val |= BCM54XX_SHD_SCR3_RXCTXC_DIS; else val |= BCM54XX_SHD_SCR3_TRDDAPD; diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 63006838bdcc..dec96e8ab567 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -2495,7 +2495,7 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface, hso_net_init); if (!net) { dev_err(&interface->dev, "Unable to create ethernet device\n"); - goto exit; + goto err_hso_dev; } hso_net = netdev_priv(net); @@ -2508,13 +2508,13 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface, USB_DIR_IN); if (!hso_net->in_endp) { dev_err(&interface->dev, "Can't find BULK IN endpoint\n"); - goto exit; + goto err_net; } hso_net->out_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, USB_DIR_OUT); if (!hso_net->out_endp) { dev_err(&interface->dev, "Can't find BULK OUT endpoint\n"); - goto exit; + goto err_net; } SET_NETDEV_DEV(net, &interface->dev); SET_NETDEV_DEVTYPE(net, &hso_type); @@ -2523,18 +2523,18 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface, for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) { hso_net->mux_bulk_rx_urb_pool[i] = usb_alloc_urb(0, GFP_KERNEL); if (!hso_net->mux_bulk_rx_urb_pool[i]) - goto exit; + goto err_mux_bulk_rx; hso_net->mux_bulk_rx_buf_pool[i] = kzalloc(MUX_BULK_RX_BUF_SIZE, GFP_KERNEL); if (!hso_net->mux_bulk_rx_buf_pool[i]) - goto exit; + goto err_mux_bulk_rx; } hso_net->mux_bulk_tx_urb = usb_alloc_urb(0, GFP_KERNEL); if (!hso_net->mux_bulk_tx_urb) - goto exit; + goto err_mux_bulk_rx; hso_net->mux_bulk_tx_buf = kzalloc(MUX_BULK_TX_BUF_SIZE, GFP_KERNEL); if (!hso_net->mux_bulk_tx_buf) - goto exit; + goto err_free_tx_urb; add_net_device(hso_dev); @@ -2542,7 +2542,7 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface, result = register_netdev(net); if (result) { dev_err(&interface->dev, "Failed to register device\n"); - goto exit; + goto err_free_tx_buf; } hso_log_port(hso_dev); @@ -2550,8 +2550,21 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface, hso_create_rfkill(hso_dev, interface); return hso_dev; -exit: - hso_free_net_device(hso_dev, true); + +err_free_tx_buf: + remove_net_device(hso_dev); + kfree(hso_net->mux_bulk_tx_buf); +err_free_tx_urb: + usb_free_urb(hso_net->mux_bulk_tx_urb); +err_mux_bulk_rx: + for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) { + usb_free_urb(hso_net->mux_bulk_rx_urb_pool[i]); + kfree(hso_net->mux_bulk_rx_buf_pool[i]); + } +err_net: + free_netdev(net); +err_hso_dev: + kfree(hso_dev); return NULL; } diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 1692d3b1b6e1..e09b107b5c99 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1552,7 +1552,8 @@ static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u32 speed, u8 duplex, u32 advertising); -static int rtl8152_set_mac_address(struct net_device *netdev, void *p) +static int __rtl8152_set_mac_address(struct net_device *netdev, void *p, + bool in_resume) { struct r8152 *tp = netdev_priv(netdev); struct sockaddr *addr = p; @@ -1561,9 +1562,11 @@ static int rtl8152_set_mac_address(struct net_device *netdev, void *p) if (!is_valid_ether_addr(addr->sa_data)) goto out1; - ret = usb_autopm_get_interface(tp->intf); - if (ret < 0) - goto out1; + if (!in_resume) { + ret = usb_autopm_get_interface(tp->intf); + if (ret < 0) + goto out1; + } mutex_lock(&tp->control); @@ -1575,11 +1578,17 @@ static int rtl8152_set_mac_address(struct net_device *netdev, void *p) mutex_unlock(&tp->control); - usb_autopm_put_interface(tp->intf); + if (!in_resume) + usb_autopm_put_interface(tp->intf); out1: return ret; } +static int rtl8152_set_mac_address(struct net_device *netdev, void *p) +{ + return __rtl8152_set_mac_address(netdev, p, false); +} + /* Devices containing proper chips can support a persistent * host system provided MAC address. * Examples of this are Dell TB15 and Dell WD15 docks @@ -1698,7 +1707,7 @@ static int determine_ethernet_addr(struct r8152 *tp, struct sockaddr *sa) return ret; } -static int set_ethernet_addr(struct r8152 *tp) +static int set_ethernet_addr(struct r8152 *tp, bool in_resume) { struct net_device *dev = tp->netdev; struct sockaddr sa; @@ -1711,7 +1720,7 @@ static int set_ethernet_addr(struct r8152 *tp) if (tp->version == RTL_VER_01) ether_addr_copy(dev->dev_addr, sa.sa_data); else - ret = rtl8152_set_mac_address(dev, &sa); + ret = __rtl8152_set_mac_address(dev, &sa, in_resume); return ret; } @@ -6763,9 +6772,10 @@ static int rtl8152_close(struct net_device *netdev) tp->rtl_ops.down(tp); mutex_unlock(&tp->control); + } + if (!res) usb_autopm_put_interface(tp->intf); - } free_all_mem(tp); @@ -8443,7 +8453,7 @@ static int rtl8152_reset_resume(struct usb_interface *intf) clear_bit(SELECTIVE_SUSPEND, &tp->flags); tp->rtl_ops.init(tp); queue_delayed_work(system_long_wq, &tp->hw_phy_work, 0); - set_ethernet_addr(tp); + set_ethernet_addr(tp, true); return rtl8152_resume(intf); } @@ -9644,7 +9654,7 @@ static int rtl8152_probe(struct usb_interface *intf, tp->rtl_fw.retry = true; #endif queue_delayed_work(system_long_wq, &tp->hw_phy_work, 0); - set_ethernet_addr(tp); + set_ethernet_addr(tp, false); usb_set_intfdata(intf, tp); diff --git a/drivers/net/wireless/virt_wifi.c b/drivers/net/wireless/virt_wifi.c index 1df959532c7d..514f2c1124b6 100644 --- a/drivers/net/wireless/virt_wifi.c +++ b/drivers/net/wireless/virt_wifi.c @@ -136,6 +136,29 @@ static struct ieee80211_supported_band band_5ghz = { /* Assigned at module init. Guaranteed locally-administered and unicast. */ static u8 fake_router_bssid[ETH_ALEN] __ro_after_init = {}; +static void virt_wifi_inform_bss(struct wiphy *wiphy) +{ + u64 tsf = div_u64(ktime_get_boottime_ns(), 1000); + struct cfg80211_bss *informed_bss; + static const struct { + u8 tag; + u8 len; + u8 ssid[8]; + } __packed ssid = { + .tag = WLAN_EID_SSID, + .len = 8, + .ssid = "VirtWifi", + }; + + informed_bss = cfg80211_inform_bss(wiphy, &channel_5ghz, + CFG80211_BSS_FTYPE_PRESP, + fake_router_bssid, tsf, + WLAN_CAPABILITY_ESS, 0, + (void *)&ssid, sizeof(ssid), + DBM_TO_MBM(-50), GFP_KERNEL); + cfg80211_put_bss(wiphy, informed_bss); +} + /* Called with the rtnl lock held. */ static int virt_wifi_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) @@ -156,28 +179,13 @@ static int virt_wifi_scan(struct wiphy *wiphy, /* Acquires and releases the rdev BSS lock. */ static void virt_wifi_scan_result(struct work_struct *work) { - struct { - u8 tag; - u8 len; - u8 ssid[8]; - } __packed ssid = { - .tag = WLAN_EID_SSID, .len = 8, .ssid = "VirtWifi", - }; - struct cfg80211_bss *informed_bss; struct virt_wifi_wiphy_priv *priv = container_of(work, struct virt_wifi_wiphy_priv, scan_result.work); struct wiphy *wiphy = priv_to_wiphy(priv); struct cfg80211_scan_info scan_info = { .aborted = false }; - u64 tsf = div_u64(ktime_get_boottime_ns(), 1000); - informed_bss = cfg80211_inform_bss(wiphy, &channel_5ghz, - CFG80211_BSS_FTYPE_PRESP, - fake_router_bssid, tsf, - WLAN_CAPABILITY_ESS, 0, - (void *)&ssid, sizeof(ssid), - DBM_TO_MBM(-50), GFP_KERNEL); - cfg80211_put_bss(wiphy, informed_bss); + virt_wifi_inform_bss(wiphy); /* Schedules work which acquires and releases the rtnl lock. */ cfg80211_scan_done(priv->scan_request, &scan_info); @@ -225,10 +233,12 @@ static int virt_wifi_connect(struct wiphy *wiphy, struct net_device *netdev, if (!could_schedule) return -EBUSY; - if (sme->bssid) + if (sme->bssid) { ether_addr_copy(priv->connect_requested_bss, sme->bssid); - else + } else { + virt_wifi_inform_bss(wiphy); eth_zero_addr(priv->connect_requested_bss); + } wiphy_debug(wiphy, "connect\n"); @@ -241,11 +251,13 @@ static void virt_wifi_connect_complete(struct work_struct *work) struct virt_wifi_netdev_priv *priv = container_of(work, struct virt_wifi_netdev_priv, connect.work); u8 *requested_bss = priv->connect_requested_bss; - bool has_addr = !is_zero_ether_addr(requested_bss); bool right_addr = ether_addr_equal(requested_bss, fake_router_bssid); u16 status = WLAN_STATUS_SUCCESS; - if (!priv->is_up || (has_addr && !right_addr)) + if (is_zero_ether_addr(requested_bss)) + requested_bss = NULL; + + if (!priv->is_up || (requested_bss && !right_addr)) status = WLAN_STATUS_UNSPECIFIED_FAILURE; else priv->is_connected = true; diff --git a/drivers/net/wwan/wwan_core.c b/drivers/net/wwan/wwan_core.c index 3e16c318e705..674a81d79db3 100644 --- a/drivers/net/wwan/wwan_core.c +++ b/drivers/net/wwan/wwan_core.c @@ -984,6 +984,8 @@ static void wwan_create_default_link(struct wwan_device *wwandev, goto unlock; } + rtnl_configure_link(dev, NULL); /* Link initialized, notify new link */ + unlock: rtnl_unlock(); diff --git a/drivers/nfc/nfcsim.c b/drivers/nfc/nfcsim.c index a9864fcdfba6..dd27c85190d3 100644 --- a/drivers/nfc/nfcsim.c +++ b/drivers/nfc/nfcsim.c @@ -192,8 +192,7 @@ static void nfcsim_recv_wq(struct work_struct *work) if (!IS_ERR(skb)) dev_kfree_skb(skb); - - skb = ERR_PTR(-ENODEV); + return; } dev->cb(dev->nfc_digital_dev, dev->arg, skb); diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c index eb5d7a5beac7..e3e72b8a29e3 100644 --- a/drivers/nfc/s3fwrn5/firmware.c +++ b/drivers/nfc/s3fwrn5/firmware.c @@ -423,7 +423,7 @@ int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info) if (IS_ERR(tfm)) { ret = PTR_ERR(tfm); dev_err(&fw_info->ndev->nfc_dev->dev, - "Cannot allocate shash (code=%d)\n", ret); + "Cannot allocate shash (code=%pe)\n", tfm); goto out; } diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 11779be42186..dfd9dec0c1f6 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -900,7 +900,10 @@ static inline blk_status_t nvme_setup_write_zeroes(struct nvme_ns *ns, cpu_to_le64(nvme_sect_to_lba(ns, blk_rq_pos(req))); cmnd->write_zeroes.length = cpu_to_le16((blk_rq_bytes(req) >> ns->lba_shift) - 1); - cmnd->write_zeroes.control = 0; + if (nvme_ns_has_pi(ns)) + cmnd->write_zeroes.control = cpu_to_le16(NVME_RW_PRINFO_PRACT); + else + cmnd->write_zeroes.control = 0; return BLK_STS_OK; } @@ -3807,6 +3810,8 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid, static void nvme_ns_remove(struct nvme_ns *ns) { + bool last_path = false; + if (test_and_set_bit(NVME_NS_REMOVING, &ns->flags)) return; @@ -3815,8 +3820,6 @@ static void nvme_ns_remove(struct nvme_ns *ns) mutex_lock(&ns->ctrl->subsys->lock); list_del_rcu(&ns->siblings); - if (list_empty(&ns->head->list)) - list_del_init(&ns->head->entry); mutex_unlock(&ns->ctrl->subsys->lock); synchronize_rcu(); /* guarantee not available in head->list */ @@ -3836,7 +3839,15 @@ static void nvme_ns_remove(struct nvme_ns *ns) list_del_init(&ns->list); up_write(&ns->ctrl->namespaces_rwsem); - nvme_mpath_check_last_path(ns); + /* Synchronize with nvme_init_ns_head() */ + mutex_lock(&ns->head->subsys->lock); + if (list_empty(&ns->head->list)) { + list_del_init(&ns->head->entry); + last_path = true; + } + mutex_unlock(&ns->head->subsys->lock); + if (last_path) + nvme_mpath_shutdown_disk(ns->head); nvme_put_ns(ns); } diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 0ea5298469c3..3f32c5e86bfc 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -760,14 +760,21 @@ void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id) #endif } -void nvme_mpath_remove_disk(struct nvme_ns_head *head) +void nvme_mpath_shutdown_disk(struct nvme_ns_head *head) { if (!head->disk) return; + kblockd_schedule_work(&head->requeue_work); if (head->disk->flags & GENHD_FL_UP) { nvme_cdev_del(&head->cdev, &head->cdev_device); del_gendisk(head->disk); } +} + +void nvme_mpath_remove_disk(struct nvme_ns_head *head) +{ + if (!head->disk) + return; blk_set_queue_dying(head->disk->queue); /* make sure all pending bios are cleaned up */ kblockd_schedule_work(&head->requeue_work); diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 18ef8dd03a90..5cd1fa3b8464 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -716,14 +716,7 @@ void nvme_mpath_uninit(struct nvme_ctrl *ctrl); void nvme_mpath_stop(struct nvme_ctrl *ctrl); bool nvme_mpath_clear_current_path(struct nvme_ns *ns); void nvme_mpath_clear_ctrl_paths(struct nvme_ctrl *ctrl); - -static inline void nvme_mpath_check_last_path(struct nvme_ns *ns) -{ - struct nvme_ns_head *head = ns->head; - - if (head->disk && list_empty(&head->list)) - kblockd_schedule_work(&head->requeue_work); -} +void nvme_mpath_shutdown_disk(struct nvme_ns_head *head); static inline void nvme_trace_bio_complete(struct request *req) { @@ -772,7 +765,7 @@ static inline bool nvme_mpath_clear_current_path(struct nvme_ns *ns) static inline void nvme_mpath_clear_ctrl_paths(struct nvme_ctrl *ctrl) { } -static inline void nvme_mpath_check_last_path(struct nvme_ns *ns) +static inline void nvme_mpath_shutdown_disk(struct nvme_ns_head *head) { } static inline void nvme_trace_bio_complete(struct request *req) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 320051f5a3dd..51852085239e 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2631,7 +2631,9 @@ static void nvme_reset_work(struct work_struct *work) bool was_suspend = !!(dev->ctrl.ctrl_config & NVME_CC_SHN_NORMAL); int result; - if (WARN_ON(dev->ctrl.state != NVME_CTRL_RESETTING)) { + if (dev->ctrl.state != NVME_CTRL_RESETTING) { + dev_warn(dev->ctrl.device, "ctrl state %d is not RESETTING\n", + dev->ctrl.state); result = -ENODEV; goto out; } diff --git a/drivers/nvme/host/trace.h b/drivers/nvme/host/trace.h index daaf700eae79..35bac7a25422 100644 --- a/drivers/nvme/host/trace.h +++ b/drivers/nvme/host/trace.h @@ -56,7 +56,7 @@ TRACE_EVENT(nvme_setup_cmd, __field(u8, fctype) __field(u16, cid) __field(u32, nsid) - __field(u64, metadata) + __field(bool, metadata) __array(u8, cdw10, 24) ), TP_fast_assign( @@ -66,13 +66,13 @@ TRACE_EVENT(nvme_setup_cmd, __entry->flags = cmd->common.flags; __entry->cid = cmd->common.command_id; __entry->nsid = le32_to_cpu(cmd->common.nsid); - __entry->metadata = le64_to_cpu(cmd->common.metadata); + __entry->metadata = !!blk_integrity_rq(req); __entry->fctype = cmd->fabrics.fctype; __assign_disk_name(__entry->disk, req->rq_disk); memcpy(__entry->cdw10, &cmd->common.cdw10, sizeof(__entry->cdw10)); ), - TP_printk("nvme%d: %sqid=%d, cmdid=%u, nsid=%u, flags=0x%x, meta=0x%llx, cmd=(%s %s)", + TP_printk("nvme%d: %sqid=%d, cmdid=%u, nsid=%u, flags=0x%x, meta=0x%x, cmd=(%s %s)", __entry->ctrl_id, __print_disk_name(__entry->disk), __entry->qid, __entry->cid, __entry->nsid, __entry->flags, __entry->metadata, diff --git a/drivers/platform/x86/amd-pmc.c b/drivers/platform/x86/amd-pmc.c index b9da58ee9b1e..3481479a2942 100644 --- a/drivers/platform/x86/amd-pmc.c +++ b/drivers/platform/x86/amd-pmc.c @@ -46,34 +46,79 @@ #define AMD_PMC_RESULT_CMD_UNKNOWN 0xFE #define AMD_PMC_RESULT_FAILED 0xFF +/* FCH SSC Registers */ +#define FCH_S0I3_ENTRY_TIME_L_OFFSET 0x30 +#define FCH_S0I3_ENTRY_TIME_H_OFFSET 0x34 +#define FCH_S0I3_EXIT_TIME_L_OFFSET 0x38 +#define FCH_S0I3_EXIT_TIME_H_OFFSET 0x3C +#define FCH_SSC_MAPPING_SIZE 0x800 +#define FCH_BASE_PHY_ADDR_LOW 0xFED81100 +#define FCH_BASE_PHY_ADDR_HIGH 0x00000000 + +/* SMU Message Definations */ +#define SMU_MSG_GETSMUVERSION 0x02 +#define SMU_MSG_LOG_GETDRAM_ADDR_HI 0x04 +#define SMU_MSG_LOG_GETDRAM_ADDR_LO 0x05 +#define SMU_MSG_LOG_START 0x06 +#define SMU_MSG_LOG_RESET 0x07 +#define SMU_MSG_LOG_DUMP_DATA 0x08 +#define SMU_MSG_GET_SUP_CONSTRAINTS 0x09 /* List of supported CPU ids */ #define AMD_CPU_ID_RV 0x15D0 #define AMD_CPU_ID_RN 0x1630 #define AMD_CPU_ID_PCO AMD_CPU_ID_RV #define AMD_CPU_ID_CZN AMD_CPU_ID_RN +#define AMD_CPU_ID_YC 0x14B5 -#define AMD_SMU_FW_VERSION 0x0 #define PMC_MSG_DELAY_MIN_US 100 #define RESPONSE_REGISTER_LOOP_MAX 200 +#define SOC_SUBSYSTEM_IP_MAX 12 +#define DELAY_MIN_US 2000 +#define DELAY_MAX_US 3000 enum amd_pmc_def { MSG_TEST = 0x01, MSG_OS_HINT_PCO, MSG_OS_HINT_RN, }; +struct amd_pmc_bit_map { + const char *name; + u32 bit_mask; +}; + +static const struct amd_pmc_bit_map soc15_ip_blk[] = { + {"DISPLAY", BIT(0)}, + {"CPU", BIT(1)}, + {"GFX", BIT(2)}, + {"VDD", BIT(3)}, + {"ACP", BIT(4)}, + {"VCN", BIT(5)}, + {"ISP", BIT(6)}, + {"NBIO", BIT(7)}, + {"DF", BIT(8)}, + {"USB0", BIT(9)}, + {"USB1", BIT(10)}, + {"LAPIC", BIT(11)}, + {} +}; + struct amd_pmc_dev { void __iomem *regbase; - void __iomem *smu_base; + void __iomem *smu_virt_addr; + void __iomem *fch_virt_addr; u32 base_addr; u32 cpu_id; + u32 active_ips; struct device *dev; + struct mutex lock; /* generic mutex lock */ #if IS_ENABLED(CONFIG_DEBUG_FS) struct dentry *dbgfs_dir; #endif /* CONFIG_DEBUG_FS */ }; static struct amd_pmc_dev pmc; +static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set, u32 *data, u8 msg, bool ret); static inline u32 amd_pmc_reg_read(struct amd_pmc_dev *dev, int reg_offset) { @@ -85,18 +130,77 @@ static inline void amd_pmc_reg_write(struct amd_pmc_dev *dev, int reg_offset, u3 iowrite32(val, dev->regbase + reg_offset); } +struct smu_metrics { + u32 table_version; + u32 hint_count; + u32 s0i3_cyclecount; + u32 timein_s0i2; + u64 timeentering_s0i3_lastcapture; + u64 timeentering_s0i3_totaltime; + u64 timeto_resume_to_os_lastcapture; + u64 timeto_resume_to_os_totaltime; + u64 timein_s0i3_lastcapture; + u64 timein_s0i3_totaltime; + u64 timein_swdrips_lastcapture; + u64 timein_swdrips_totaltime; + u64 timecondition_notmet_lastcapture[SOC_SUBSYSTEM_IP_MAX]; + u64 timecondition_notmet_totaltime[SOC_SUBSYSTEM_IP_MAX]; +} __packed; + #ifdef CONFIG_DEBUG_FS static int smu_fw_info_show(struct seq_file *s, void *unused) { struct amd_pmc_dev *dev = s->private; - u32 value; + struct smu_metrics table; + int idx; + + if (dev->cpu_id == AMD_CPU_ID_PCO) + return -EINVAL; + + memcpy_fromio(&table, dev->smu_virt_addr, sizeof(struct smu_metrics)); + + seq_puts(s, "\n=== SMU Statistics ===\n"); + seq_printf(s, "Table Version: %d\n", table.table_version); + seq_printf(s, "Hint Count: %d\n", table.hint_count); + seq_printf(s, "S0i3 Cycle Count: %d\n", table.s0i3_cyclecount); + seq_printf(s, "Time (in us) to S0i3: %lld\n", table.timeentering_s0i3_lastcapture); + seq_printf(s, "Time (in us) in S0i3: %lld\n", table.timein_s0i3_lastcapture); + + seq_puts(s, "\n=== Active time (in us) ===\n"); + for (idx = 0 ; idx < SOC_SUBSYSTEM_IP_MAX ; idx++) { + if (soc15_ip_blk[idx].bit_mask & dev->active_ips) + seq_printf(s, "%-8s : %lld\n", soc15_ip_blk[idx].name, + table.timecondition_notmet_lastcapture[idx]); + } - value = ioread32(dev->smu_base + AMD_SMU_FW_VERSION); - seq_printf(s, "SMU FW Info: %x\n", value); return 0; } DEFINE_SHOW_ATTRIBUTE(smu_fw_info); +static int s0ix_stats_show(struct seq_file *s, void *unused) +{ + struct amd_pmc_dev *dev = s->private; + u64 entry_time, exit_time, residency; + + entry_time = ioread32(dev->fch_virt_addr + FCH_S0I3_ENTRY_TIME_H_OFFSET); + entry_time = entry_time << 32 | ioread32(dev->fch_virt_addr + FCH_S0I3_ENTRY_TIME_L_OFFSET); + + exit_time = ioread32(dev->fch_virt_addr + FCH_S0I3_EXIT_TIME_H_OFFSET); + exit_time = exit_time << 32 | ioread32(dev->fch_virt_addr + FCH_S0I3_EXIT_TIME_L_OFFSET); + + /* It's in 48MHz. We need to convert it */ + residency = exit_time - entry_time; + do_div(residency, 48); + + seq_puts(s, "=== S0ix statistics ===\n"); + seq_printf(s, "S0ix Entry Time: %lld\n", entry_time); + seq_printf(s, "S0ix Exit Time: %lld\n", exit_time); + seq_printf(s, "Residency Time: %lld\n", residency); + + return 0; +} +DEFINE_SHOW_ATTRIBUTE(s0ix_stats); + static void amd_pmc_dbgfs_unregister(struct amd_pmc_dev *dev) { debugfs_remove_recursive(dev->dbgfs_dir); @@ -107,6 +211,8 @@ static void amd_pmc_dbgfs_register(struct amd_pmc_dev *dev) dev->dbgfs_dir = debugfs_create_dir("amd_pmc", NULL); debugfs_create_file("smu_fw_info", 0644, dev->dbgfs_dir, dev, &smu_fw_info_fops); + debugfs_create_file("s0ix_stats", 0644, dev->dbgfs_dir, dev, + &s0ix_stats_fops); } #else static inline void amd_pmc_dbgfs_register(struct amd_pmc_dev *dev) @@ -118,6 +224,32 @@ static inline void amd_pmc_dbgfs_unregister(struct amd_pmc_dev *dev) } #endif /* CONFIG_DEBUG_FS */ +static int amd_pmc_setup_smu_logging(struct amd_pmc_dev *dev) +{ + u32 phys_addr_low, phys_addr_hi; + u64 smu_phys_addr; + + if (dev->cpu_id == AMD_CPU_ID_PCO) + return -EINVAL; + + /* Get Active devices list from SMU */ + amd_pmc_send_cmd(dev, 0, &dev->active_ips, SMU_MSG_GET_SUP_CONSTRAINTS, 1); + + /* Get dram address */ + amd_pmc_send_cmd(dev, 0, &phys_addr_low, SMU_MSG_LOG_GETDRAM_ADDR_LO, 1); + amd_pmc_send_cmd(dev, 0, &phys_addr_hi, SMU_MSG_LOG_GETDRAM_ADDR_HI, 1); + smu_phys_addr = ((u64)phys_addr_hi << 32 | phys_addr_low); + + dev->smu_virt_addr = devm_ioremap(dev->dev, smu_phys_addr, sizeof(struct smu_metrics)); + if (!dev->smu_virt_addr) + return -ENOMEM; + + /* Start the logging */ + amd_pmc_send_cmd(dev, 0, NULL, SMU_MSG_LOG_START, 0); + + return 0; +} + static void amd_pmc_dump_registers(struct amd_pmc_dev *dev) { u32 value; @@ -132,19 +264,19 @@ static void amd_pmc_dump_registers(struct amd_pmc_dev *dev) dev_dbg(dev->dev, "AMD_PMC_REGISTER_MESSAGE:%x\n", value); } -static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set) +static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set, u32 *data, u8 msg, bool ret) { int rc; - u8 msg; u32 val; + mutex_lock(&dev->lock); /* Wait until we get a valid response */ rc = readx_poll_timeout(ioread32, dev->regbase + AMD_PMC_REGISTER_RESPONSE, - val, val > 0, PMC_MSG_DELAY_MIN_US, + val, val != 0, PMC_MSG_DELAY_MIN_US, PMC_MSG_DELAY_MIN_US * RESPONSE_REGISTER_LOOP_MAX); if (rc) { dev_err(dev->dev, "failed to talk to SMU\n"); - return rc; + goto out_unlock; } /* Write zero to response register */ @@ -154,34 +286,91 @@ static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set) amd_pmc_reg_write(dev, AMD_PMC_REGISTER_ARGUMENT, set); /* Write message ID to message ID register */ - msg = (dev->cpu_id == AMD_CPU_ID_RN) ? MSG_OS_HINT_RN : MSG_OS_HINT_PCO; amd_pmc_reg_write(dev, AMD_PMC_REGISTER_MESSAGE, msg); - return 0; + + /* Wait until we get a valid response */ + rc = readx_poll_timeout(ioread32, dev->regbase + AMD_PMC_REGISTER_RESPONSE, + val, val != 0, PMC_MSG_DELAY_MIN_US, + PMC_MSG_DELAY_MIN_US * RESPONSE_REGISTER_LOOP_MAX); + if (rc) { + dev_err(dev->dev, "SMU response timed out\n"); + goto out_unlock; + } + + switch (val) { + case AMD_PMC_RESULT_OK: + if (ret) { + /* PMFW may take longer time to return back the data */ + usleep_range(DELAY_MIN_US, 10 * DELAY_MAX_US); + *data = amd_pmc_reg_read(dev, AMD_PMC_REGISTER_ARGUMENT); + } + break; + case AMD_PMC_RESULT_CMD_REJECT_BUSY: + dev_err(dev->dev, "SMU not ready. err: 0x%x\n", val); + rc = -EBUSY; + goto out_unlock; + case AMD_PMC_RESULT_CMD_UNKNOWN: + dev_err(dev->dev, "SMU cmd unknown. err: 0x%x\n", val); + rc = -EINVAL; + goto out_unlock; + case AMD_PMC_RESULT_CMD_REJECT_PREREQ: + case AMD_PMC_RESULT_FAILED: + default: + dev_err(dev->dev, "SMU cmd failed. err: 0x%x\n", val); + rc = -EIO; + goto out_unlock; + } + +out_unlock: + mutex_unlock(&dev->lock); + amd_pmc_dump_registers(dev); + return rc; +} + +static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev) +{ + switch (dev->cpu_id) { + case AMD_CPU_ID_PCO: + return MSG_OS_HINT_PCO; + case AMD_CPU_ID_RN: + case AMD_CPU_ID_YC: + return MSG_OS_HINT_RN; + } + return -EINVAL; } static int __maybe_unused amd_pmc_suspend(struct device *dev) { struct amd_pmc_dev *pdev = dev_get_drvdata(dev); int rc; + u8 msg; + + /* Reset and Start SMU logging - to monitor the s0i3 stats */ + amd_pmc_send_cmd(pdev, 0, NULL, SMU_MSG_LOG_RESET, 0); + amd_pmc_send_cmd(pdev, 0, NULL, SMU_MSG_LOG_START, 0); - rc = amd_pmc_send_cmd(pdev, 1); + msg = amd_pmc_get_os_hint(pdev); + rc = amd_pmc_send_cmd(pdev, 1, NULL, msg, 0); if (rc) dev_err(pdev->dev, "suspend failed\n"); - amd_pmc_dump_registers(pdev); - return 0; + return rc; } static int __maybe_unused amd_pmc_resume(struct device *dev) { struct amd_pmc_dev *pdev = dev_get_drvdata(dev); int rc; + u8 msg; + + /* Let SMU know that we are looking for stats */ + amd_pmc_send_cmd(pdev, 0, NULL, SMU_MSG_LOG_DUMP_DATA, 0); - rc = amd_pmc_send_cmd(pdev, 0); + msg = amd_pmc_get_os_hint(pdev); + rc = amd_pmc_send_cmd(pdev, 0, NULL, msg, 0); if (rc) dev_err(pdev->dev, "resume failed\n"); - amd_pmc_dump_registers(pdev); return 0; } @@ -190,6 +379,7 @@ static const struct dev_pm_ops amd_pmc_pm_ops = { }; static const struct pci_device_id pmc_pci_ids[] = { + { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_YC) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_CZN) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_RN) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_PCO) }, @@ -201,9 +391,8 @@ static int amd_pmc_probe(struct platform_device *pdev) { struct amd_pmc_dev *dev = &pmc; struct pci_dev *rdev; - u32 base_addr_lo; - u32 base_addr_hi; - u64 base_addr; + u32 base_addr_lo, base_addr_hi; + u64 base_addr, fch_phys_addr; int err; u32 val; @@ -248,16 +437,25 @@ static int amd_pmc_probe(struct platform_device *pdev) pci_dev_put(rdev); base_addr = ((u64)base_addr_hi << 32 | base_addr_lo); - dev->smu_base = devm_ioremap(dev->dev, base_addr, AMD_PMC_MAPPING_SIZE); - if (!dev->smu_base) - return -ENOMEM; - dev->regbase = devm_ioremap(dev->dev, base_addr + AMD_PMC_BASE_ADDR_OFFSET, AMD_PMC_MAPPING_SIZE); if (!dev->regbase) return -ENOMEM; - amd_pmc_dump_registers(dev); + mutex_init(&dev->lock); + + /* Use FCH registers to get the S0ix stats */ + base_addr_lo = FCH_BASE_PHY_ADDR_LOW; + base_addr_hi = FCH_BASE_PHY_ADDR_HIGH; + fch_phys_addr = ((u64)base_addr_hi << 32 | base_addr_lo); + dev->fch_virt_addr = devm_ioremap(dev->dev, fch_phys_addr, FCH_SSC_MAPPING_SIZE); + if (!dev->fch_virt_addr) + return -ENOMEM; + + /* Use SMU to get the s0i3 debug stats */ + err = amd_pmc_setup_smu_logging(dev); + if (err) + dev_err(dev->dev, "SMU debugging info not supported on this platform\n"); platform_set_drvdata(pdev, dev); amd_pmc_dbgfs_register(dev); @@ -269,11 +467,14 @@ static int amd_pmc_remove(struct platform_device *pdev) struct amd_pmc_dev *dev = platform_get_drvdata(pdev); amd_pmc_dbgfs_unregister(dev); + mutex_destroy(&dev->lock); return 0; } static const struct acpi_device_id amd_pmc_acpi_ids[] = { {"AMDI0005", 0}, + {"AMDI0006", 0}, + {"AMDI0007", 0}, {"AMD0004", 0}, { } }; diff --git a/drivers/platform/x86/gigabyte-wmi.c b/drivers/platform/x86/gigabyte-wmi.c index 5529d7b0abea..fbb224a82e34 100644 --- a/drivers/platform/x86/gigabyte-wmi.c +++ b/drivers/platform/x86/gigabyte-wmi.c @@ -141,6 +141,7 @@ static u8 gigabyte_wmi_detect_sensor_usability(struct wmi_device *wdev) static const struct dmi_system_id gigabyte_wmi_known_working_platforms[] = { DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550 AORUS ELITE"), + DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550 AORUS ELITE V2"), DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550 GAMING X V2"), DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550M AORUS PRO-P"), DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550M DS3H"), diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c index 078648a9201b..e5fbe017f8e1 100644 --- a/drivers/platform/x86/intel-hid.c +++ b/drivers/platform/x86/intel-hid.c @@ -25,6 +25,7 @@ static const struct acpi_device_id intel_hid_ids[] = { {"INT33D5", 0}, {"INTC1051", 0}, {"INTC1054", 0}, + {"INTC1070", 0}, {"", 0}, }; MODULE_DEVICE_TABLE(acpi, intel_hid_ids); diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c index 3671b5d20613..6cfed4427fb0 100644 --- a/drivers/platform/x86/think-lmi.c +++ b/drivers/platform/x86/think-lmi.c @@ -571,6 +571,11 @@ static ssize_t current_value_store(struct kobject *kobj, else ret = tlmi_save_bios_settings(""); + if (!ret && !tlmi_priv.pending_changes) { + tlmi_priv.pending_changes = true; + /* let userland know it may need to check reboot pending again */ + kobject_uevent(&tlmi_priv.class_dev->kobj, KOBJ_CHANGE); + } out: kfree(auth_str); kfree(set_str); @@ -647,6 +652,14 @@ static struct kobj_type tlmi_pwd_setting_ktype = { .sysfs_ops = &tlmi_kobj_sysfs_ops, }; +static ssize_t pending_reboot_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) +{ + return sprintf(buf, "%d\n", tlmi_priv.pending_changes); +} + +static struct kobj_attribute pending_reboot = __ATTR_RO(pending_reboot); + /* ---- Initialisation --------------------------------------------------------- */ static void tlmi_release_attr(void) { @@ -659,6 +672,7 @@ static void tlmi_release_attr(void) kobject_put(&tlmi_priv.setting[i]->kobj); } } + sysfs_remove_file(&tlmi_priv.attribute_kset->kobj, &pending_reboot.attr); kset_unregister(tlmi_priv.attribute_kset); /* Authentication structures */ @@ -709,8 +723,8 @@ static int tlmi_sysfs_init(void) /* Build attribute */ tlmi_priv.setting[i]->kobj.kset = tlmi_priv.attribute_kset; - ret = kobject_init_and_add(&tlmi_priv.setting[i]->kobj, &tlmi_attr_setting_ktype, - NULL, "%s", tlmi_priv.setting[i]->display_name); + ret = kobject_add(&tlmi_priv.setting[i]->kobj, NULL, + "%s", tlmi_priv.setting[i]->display_name); if (ret) goto fail_create_attr; @@ -719,6 +733,10 @@ static int tlmi_sysfs_init(void) goto fail_create_attr; } + ret = sysfs_create_file(&tlmi_priv.attribute_kset->kobj, &pending_reboot.attr); + if (ret) + goto fail_create_attr; + /* Create authentication entries */ tlmi_priv.authentication_kset = kset_create_and_add("authentication", NULL, &tlmi_priv.class_dev->kobj); @@ -727,8 +745,7 @@ static int tlmi_sysfs_init(void) goto fail_create_attr; } tlmi_priv.pwd_admin->kobj.kset = tlmi_priv.authentication_kset; - ret = kobject_init_and_add(&tlmi_priv.pwd_admin->kobj, &tlmi_pwd_setting_ktype, - NULL, "%s", "Admin"); + ret = kobject_add(&tlmi_priv.pwd_admin->kobj, NULL, "%s", "Admin"); if (ret) goto fail_create_attr; @@ -737,8 +754,7 @@ static int tlmi_sysfs_init(void) goto fail_create_attr; tlmi_priv.pwd_power->kobj.kset = tlmi_priv.authentication_kset; - ret = kobject_init_and_add(&tlmi_priv.pwd_power->kobj, &tlmi_pwd_setting_ktype, - NULL, "%s", "System"); + ret = kobject_add(&tlmi_priv.pwd_power->kobj, NULL, "%s", "System"); if (ret) goto fail_create_attr; @@ -818,6 +834,7 @@ static int tlmi_analyze(void) pr_info("Error retrieving possible values for %d : %s\n", i, setting->display_name); } + kobject_init(&setting->kobj, &tlmi_attr_setting_ktype); tlmi_priv.setting[i] = setting; tlmi_priv.settings_count++; kfree(item); @@ -844,10 +861,12 @@ static int tlmi_analyze(void) if (pwdcfg.password_state & TLMI_PAP_PWD) tlmi_priv.pwd_admin->valid = true; + kobject_init(&tlmi_priv.pwd_admin->kobj, &tlmi_pwd_setting_ktype); + tlmi_priv.pwd_power = kzalloc(sizeof(struct tlmi_pwd_setting), GFP_KERNEL); if (!tlmi_priv.pwd_power) { ret = -ENOMEM; - goto fail_clear_attr; + goto fail_free_pwd_admin; } strscpy(tlmi_priv.pwd_power->kbdlang, "us", TLMI_LANG_MAXLEN); tlmi_priv.pwd_power->encoding = TLMI_ENCODING_ASCII; @@ -859,11 +878,19 @@ static int tlmi_analyze(void) if (pwdcfg.password_state & TLMI_POP_PWD) tlmi_priv.pwd_power->valid = true; + kobject_init(&tlmi_priv.pwd_power->kobj, &tlmi_pwd_setting_ktype); + return 0; +fail_free_pwd_admin: + kfree(tlmi_priv.pwd_admin); fail_clear_attr: - for (i = 0; i < TLMI_SETTINGS_COUNT; ++i) - kfree(tlmi_priv.setting[i]); + for (i = 0; i < TLMI_SETTINGS_COUNT; ++i) { + if (tlmi_priv.setting[i]) { + kfree(tlmi_priv.setting[i]->possible_values); + kfree(tlmi_priv.setting[i]); + } + } return ret; } diff --git a/drivers/platform/x86/think-lmi.h b/drivers/platform/x86/think-lmi.h index 6fa8da7af6c7..eb598846628a 100644 --- a/drivers/platform/x86/think-lmi.h +++ b/drivers/platform/x86/think-lmi.h @@ -60,6 +60,7 @@ struct think_lmi { bool can_get_bios_selections; bool can_set_bios_password; bool can_get_password_settings; + bool pending_changes; struct tlmi_attr_setting *setting[TLMI_SETTINGS_COUNT]; struct device *class_dev; diff --git a/drivers/platform/x86/wireless-hotkey.c b/drivers/platform/x86/wireless-hotkey.c index b010e4ca3383..11c60a273446 100644 --- a/drivers/platform/x86/wireless-hotkey.c +++ b/drivers/platform/x86/wireless-hotkey.c @@ -78,7 +78,7 @@ static int wl_add(struct acpi_device *device) err = wireless_input_setup(); if (err) - pr_err("Failed to setup hp wireless hotkeys\n"); + pr_err("Failed to setup wireless hotkeys\n"); return err; } diff --git a/drivers/regulator/bd9576-regulator.c b/drivers/regulator/bd9576-regulator.c index e16c3727db7a..aa42da4d141e 100644 --- a/drivers/regulator/bd9576-regulator.c +++ b/drivers/regulator/bd9576-regulator.c @@ -294,9 +294,9 @@ static bool check_temp_flag_mismatch(struct regulator_dev *rdev, int severity, struct bd957x_regulator_data *r) { if ((severity == REGULATOR_SEVERITY_ERR && - r->ovd_notif != REGULATOR_EVENT_OVER_TEMP) || + r->temp_notif != REGULATOR_EVENT_OVER_TEMP) || (severity == REGULATOR_SEVERITY_WARN && - r->ovd_notif != REGULATOR_EVENT_OVER_TEMP_WARN)) { + r->temp_notif != REGULATOR_EVENT_OVER_TEMP_WARN)) { dev_warn(rdev_get_dev(rdev), "Can't support both thermal WARN and ERR\n"); if (severity == REGULATOR_SEVERITY_WARN) diff --git a/drivers/regulator/hi6421-regulator.c b/drivers/regulator/hi6421-regulator.c index bff8c515dcde..d144a4bdb76d 100644 --- a/drivers/regulator/hi6421-regulator.c +++ b/drivers/regulator/hi6421-regulator.c @@ -366,9 +366,8 @@ static struct hi6421_regulator_info static int hi6421_regulator_enable(struct regulator_dev *rdev) { - struct hi6421_regulator_pdata *pdata; + struct hi6421_regulator_pdata *pdata = rdev_get_drvdata(rdev); - pdata = dev_get_drvdata(rdev->dev.parent); /* hi6421 spec requires regulator enablement must be serialized: * - Because when BUCK, LDO switching from off to on, it will have * a huge instantaneous current; so you can not turn on two or @@ -385,9 +384,10 @@ static int hi6421_regulator_enable(struct regulator_dev *rdev) static unsigned int hi6421_regulator_ldo_get_mode(struct regulator_dev *rdev) { - struct hi6421_regulator_info *info = rdev_get_drvdata(rdev); + struct hi6421_regulator_info *info; unsigned int reg_val; + info = container_of(rdev->desc, struct hi6421_regulator_info, desc); regmap_read(rdev->regmap, rdev->desc->enable_reg, ®_val); if (reg_val & info->mode_mask) return REGULATOR_MODE_IDLE; @@ -397,9 +397,10 @@ static unsigned int hi6421_regulator_ldo_get_mode(struct regulator_dev *rdev) static unsigned int hi6421_regulator_buck_get_mode(struct regulator_dev *rdev) { - struct hi6421_regulator_info *info = rdev_get_drvdata(rdev); + struct hi6421_regulator_info *info; unsigned int reg_val; + info = container_of(rdev->desc, struct hi6421_regulator_info, desc); regmap_read(rdev->regmap, rdev->desc->enable_reg, ®_val); if (reg_val & info->mode_mask) return REGULATOR_MODE_STANDBY; @@ -410,9 +411,10 @@ static unsigned int hi6421_regulator_buck_get_mode(struct regulator_dev *rdev) static int hi6421_regulator_ldo_set_mode(struct regulator_dev *rdev, unsigned int mode) { - struct hi6421_regulator_info *info = rdev_get_drvdata(rdev); + struct hi6421_regulator_info *info; unsigned int new_mode; + info = container_of(rdev->desc, struct hi6421_regulator_info, desc); switch (mode) { case REGULATOR_MODE_NORMAL: new_mode = 0; @@ -434,9 +436,10 @@ static int hi6421_regulator_ldo_set_mode(struct regulator_dev *rdev, static int hi6421_regulator_buck_set_mode(struct regulator_dev *rdev, unsigned int mode) { - struct hi6421_regulator_info *info = rdev_get_drvdata(rdev); + struct hi6421_regulator_info *info; unsigned int new_mode; + info = container_of(rdev->desc, struct hi6421_regulator_info, desc); switch (mode) { case REGULATOR_MODE_NORMAL: new_mode = 0; @@ -459,7 +462,9 @@ static unsigned int hi6421_regulator_ldo_get_optimum_mode(struct regulator_dev *rdev, int input_uV, int output_uV, int load_uA) { - struct hi6421_regulator_info *info = rdev_get_drvdata(rdev); + struct hi6421_regulator_info *info; + + info = container_of(rdev->desc, struct hi6421_regulator_info, desc); if (load_uA > info->eco_microamp) return REGULATOR_MODE_NORMAL; @@ -543,14 +548,13 @@ static int hi6421_regulator_probe(struct platform_device *pdev) if (!pdata) return -ENOMEM; mutex_init(&pdata->lock); - platform_set_drvdata(pdev, pdata); for (i = 0; i < ARRAY_SIZE(hi6421_regulator_info); i++) { /* assign per-regulator data */ info = &hi6421_regulator_info[i]; config.dev = pdev->dev.parent; - config.driver_data = info; + config.driver_data = pdata; config.regmap = pmic->regmap; rdev = devm_regulator_register(&pdev->dev, &info->desc, diff --git a/drivers/regulator/hi6421v600-regulator.c b/drivers/regulator/hi6421v600-regulator.c index 9b162c0555c3..845bc3b4026d 100644 --- a/drivers/regulator/hi6421v600-regulator.c +++ b/drivers/regulator/hi6421v600-regulator.c @@ -98,10 +98,9 @@ static const unsigned int ldo34_voltages[] = { static int hi6421_spmi_regulator_enable(struct regulator_dev *rdev) { - struct hi6421_spmi_reg_priv *priv; + struct hi6421_spmi_reg_priv *priv = rdev_get_drvdata(rdev); int ret; - priv = dev_get_drvdata(rdev->dev.parent); /* cannot enable more than one regulator at one time */ mutex_lock(&priv->enable_mutex); @@ -119,9 +118,10 @@ static int hi6421_spmi_regulator_enable(struct regulator_dev *rdev) static unsigned int hi6421_spmi_regulator_get_mode(struct regulator_dev *rdev) { - struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev); + struct hi6421_spmi_reg_info *sreg; unsigned int reg_val; + sreg = container_of(rdev->desc, struct hi6421_spmi_reg_info, desc); regmap_read(rdev->regmap, rdev->desc->enable_reg, ®_val); if (reg_val & sreg->eco_mode_mask) @@ -133,9 +133,10 @@ static unsigned int hi6421_spmi_regulator_get_mode(struct regulator_dev *rdev) static int hi6421_spmi_regulator_set_mode(struct regulator_dev *rdev, unsigned int mode) { - struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev); + struct hi6421_spmi_reg_info *sreg; unsigned int val; + sreg = container_of(rdev->desc, struct hi6421_spmi_reg_info, desc); switch (mode) { case REGULATOR_MODE_NORMAL: val = 0; @@ -159,7 +160,9 @@ hi6421_spmi_regulator_get_optimum_mode(struct regulator_dev *rdev, int input_uV, int output_uV, int load_uA) { - struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev); + struct hi6421_spmi_reg_info *sreg; + + sreg = container_of(rdev->desc, struct hi6421_spmi_reg_info, desc); if (!sreg->eco_uA || ((unsigned int)load_uA > sreg->eco_uA)) return REGULATOR_MODE_NORMAL; @@ -252,13 +255,12 @@ static int hi6421_spmi_regulator_probe(struct platform_device *pdev) return -ENOMEM; mutex_init(&priv->enable_mutex); - platform_set_drvdata(pdev, priv); for (i = 0; i < ARRAY_SIZE(regulator_info); i++) { info = ®ulator_info[i]; config.dev = pdev->dev.parent; - config.driver_data = info; + config.driver_data = priv; config.regmap = pmic->regmap; rdev = devm_regulator_register(dev, &info->desc, &config); diff --git a/drivers/regulator/mtk-dvfsrc-regulator.c b/drivers/regulator/mtk-dvfsrc-regulator.c index d3d876198d6e..234af3a66c77 100644 --- a/drivers/regulator/mtk-dvfsrc-regulator.c +++ b/drivers/regulator/mtk-dvfsrc-regulator.c @@ -179,8 +179,7 @@ static int dvfsrc_vcore_regulator_probe(struct platform_device *pdev) for (i = 0; i < regulator_init_data->size; i++) { config.dev = dev->parent; config.driver_data = (mt_regulators + i); - rdev = devm_regulator_register(dev->parent, - &(mt_regulators + i)->desc, + rdev = devm_regulator_register(dev, &(mt_regulators + i)->desc, &config); if (IS_ERR(rdev)) { dev_err(dev, "failed to register %s\n", diff --git a/drivers/regulator/rtmv20-regulator.c b/drivers/regulator/rtmv20-regulator.c index 4bca64de0f67..2ee334174e2b 100644 --- a/drivers/regulator/rtmv20-regulator.c +++ b/drivers/regulator/rtmv20-regulator.c @@ -37,7 +37,7 @@ #define RTMV20_WIDTH2_MASK GENMASK(7, 0) #define RTMV20_LBPLVL_MASK GENMASK(3, 0) #define RTMV20_LBPEN_MASK BIT(7) -#define RTMV20_STROBEPOL_MASK BIT(1) +#define RTMV20_STROBEPOL_MASK BIT(0) #define RTMV20_VSYNPOL_MASK BIT(1) #define RTMV20_FSINEN_MASK BIT(7) #define RTMV20_ESEN_MASK BIT(6) diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c index 84fc7a0c6ff4..4a84599ff491 100644 --- a/drivers/scsi/arm/acornscsi.c +++ b/drivers/scsi/arm/acornscsi.c @@ -2642,6 +2642,7 @@ int acornscsi_abort(struct scsi_cmnd *SCpnt) //#endif clear_bit(SCpnt->device->id * 8 + (u8)(SCpnt->device->lun & 0x7), host->busyluns); + fallthrough; /* * We found the command, and cleared it out. Either diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c index 6baa9b36367d..9c4458a99025 100644 --- a/drivers/scsi/arm/fas216.c +++ b/drivers/scsi/arm/fas216.c @@ -1375,6 +1375,7 @@ static void fas216_busservice_intr(FAS216_Info *info, unsigned int stat, unsigne case IS_COMPLETE: break; } + break; default: break; diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index c39955239d1c..19b1c0cf5f2a 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -2983,13 +2983,13 @@ _base_check_enable_msix(struct MPT3SAS_ADAPTER *ioc) } /** - * _base_free_irq - free irq + * mpt3sas_base_free_irq - free irq * @ioc: per adapter object * * Freeing respective reply_queue from the list. */ -static void -_base_free_irq(struct MPT3SAS_ADAPTER *ioc) +void +mpt3sas_base_free_irq(struct MPT3SAS_ADAPTER *ioc) { struct adapter_reply_queue *reply_q, *next; @@ -3191,12 +3191,12 @@ _base_check_and_enable_high_iops_queues(struct MPT3SAS_ADAPTER *ioc, } /** - * _base_disable_msix - disables msix + * mpt3sas_base_disable_msix - disables msix * @ioc: per adapter object * */ -static void -_base_disable_msix(struct MPT3SAS_ADAPTER *ioc) +void +mpt3sas_base_disable_msix(struct MPT3SAS_ADAPTER *ioc) { if (!ioc->msix_enable) return; @@ -3304,8 +3304,8 @@ _base_enable_msix(struct MPT3SAS_ADAPTER *ioc) for (i = 0; i < ioc->reply_queue_count; i++) { r = _base_request_irq(ioc, i); if (r) { - _base_free_irq(ioc); - _base_disable_msix(ioc); + mpt3sas_base_free_irq(ioc); + mpt3sas_base_disable_msix(ioc); goto try_ioapic; } } @@ -3342,8 +3342,8 @@ mpt3sas_base_unmap_resources(struct MPT3SAS_ADAPTER *ioc) dexitprintk(ioc, ioc_info(ioc, "%s\n", __func__)); - _base_free_irq(ioc); - _base_disable_msix(ioc); + mpt3sas_base_free_irq(ioc); + mpt3sas_base_disable_msix(ioc); kfree(ioc->replyPostRegisterIndex); ioc->replyPostRegisterIndex = NULL; @@ -7613,14 +7613,14 @@ _base_diag_reset(struct MPT3SAS_ADAPTER *ioc) } /** - * _base_make_ioc_ready - put controller in READY state + * mpt3sas_base_make_ioc_ready - put controller in READY state * @ioc: per adapter object * @type: FORCE_BIG_HAMMER or SOFT_RESET * * Return: 0 for success, non-zero for failure. */ -static int -_base_make_ioc_ready(struct MPT3SAS_ADAPTER *ioc, enum reset_type type) +int +mpt3sas_base_make_ioc_ready(struct MPT3SAS_ADAPTER *ioc, enum reset_type type) { u32 ioc_state; int rc; @@ -7897,7 +7897,7 @@ mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc) if (ioc->chip_phys && ioc->chip) { mpt3sas_base_mask_interrupts(ioc); ioc->shost_recovery = 1; - _base_make_ioc_ready(ioc, SOFT_RESET); + mpt3sas_base_make_ioc_ready(ioc, SOFT_RESET); ioc->shost_recovery = 0; } @@ -8017,7 +8017,7 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc) ioc->build_sg_mpi = &_base_build_sg; ioc->build_zero_len_sge_mpi = &_base_build_zero_len_sge; - r = _base_make_ioc_ready(ioc, SOFT_RESET); + r = mpt3sas_base_make_ioc_ready(ioc, SOFT_RESET); if (r) goto out_free_resources; @@ -8471,7 +8471,7 @@ mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc, _base_pre_reset_handler(ioc); mpt3sas_wait_for_commands_to_complete(ioc); mpt3sas_base_mask_interrupts(ioc); - r = _base_make_ioc_ready(ioc, type); + r = mpt3sas_base_make_ioc_ready(ioc, type); if (r) goto out; _base_clear_outstanding_commands(ioc); diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h index d4834c8ee9c0..0c6c3df0038d 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.h +++ b/drivers/scsi/mpt3sas/mpt3sas_base.h @@ -1730,6 +1730,10 @@ do { ioc_err(ioc, "In func: %s\n", __func__); \ status, mpi_request, sz); } while (0) int mpt3sas_wait_for_ioc(struct MPT3SAS_ADAPTER *ioc, int wait_count); +int +mpt3sas_base_make_ioc_ready(struct MPT3SAS_ADAPTER *ioc, enum reset_type type); +void mpt3sas_base_free_irq(struct MPT3SAS_ADAPTER *ioc); +void mpt3sas_base_disable_msix(struct MPT3SAS_ADAPTER *ioc); /* scsih shared API */ struct scsi_cmnd *mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 866d118f7931..8e64a6f14542 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -11295,7 +11295,12 @@ scsih_shutdown(struct pci_dev *pdev) _scsih_ir_shutdown(ioc); _scsih_nvme_shutdown(ioc); - mpt3sas_base_detach(ioc); + mpt3sas_base_mask_interrupts(ioc); + ioc->shost_recovery = 1; + mpt3sas_base_make_ioc_ready(ioc, SOFT_RESET); + ioc->shost_recovery = 0; + mpt3sas_base_free_irq(ioc); + mpt3sas_base_disable_msix(ioc); } diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index b07105ae7c91..d8b05d8b5470 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -439,39 +439,10 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj, struct device *dev = container_of(kobj, struct device, kobj); struct iscsi_iface *iface = iscsi_dev_to_iface(dev); struct iscsi_transport *t = iface->transport; - int param; - int param_type; + int param = -1; if (attr == &dev_attr_iface_enabled.attr) param = ISCSI_NET_PARAM_IFACE_ENABLE; - else if (attr == &dev_attr_iface_vlan_id.attr) - param = ISCSI_NET_PARAM_VLAN_ID; - else if (attr == &dev_attr_iface_vlan_priority.attr) - param = ISCSI_NET_PARAM_VLAN_PRIORITY; - else if (attr == &dev_attr_iface_vlan_enabled.attr) - param = ISCSI_NET_PARAM_VLAN_ENABLED; - else if (attr == &dev_attr_iface_mtu.attr) - param = ISCSI_NET_PARAM_MTU; - else if (attr == &dev_attr_iface_port.attr) - param = ISCSI_NET_PARAM_PORT; - else if (attr == &dev_attr_iface_ipaddress_state.attr) - param = ISCSI_NET_PARAM_IPADDR_STATE; - else if (attr == &dev_attr_iface_delayed_ack_en.attr) - param = ISCSI_NET_PARAM_DELAYED_ACK_EN; - else if (attr == &dev_attr_iface_tcp_nagle_disable.attr) - param = ISCSI_NET_PARAM_TCP_NAGLE_DISABLE; - else if (attr == &dev_attr_iface_tcp_wsf_disable.attr) - param = ISCSI_NET_PARAM_TCP_WSF_DISABLE; - else if (attr == &dev_attr_iface_tcp_wsf.attr) - param = ISCSI_NET_PARAM_TCP_WSF; - else if (attr == &dev_attr_iface_tcp_timer_scale.attr) - param = ISCSI_NET_PARAM_TCP_TIMER_SCALE; - else if (attr == &dev_attr_iface_tcp_timestamp_en.attr) - param = ISCSI_NET_PARAM_TCP_TIMESTAMP_EN; - else if (attr == &dev_attr_iface_cache_id.attr) - param = ISCSI_NET_PARAM_CACHE_ID; - else if (attr == &dev_attr_iface_redirect_en.attr) - param = ISCSI_NET_PARAM_REDIRECT_EN; else if (attr == &dev_attr_iface_def_taskmgmt_tmo.attr) param = ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO; else if (attr == &dev_attr_iface_header_digest.attr) @@ -508,6 +479,38 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj, param = ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN; else if (attr == &dev_attr_iface_initiator_name.attr) param = ISCSI_IFACE_PARAM_INITIATOR_NAME; + + if (param != -1) + return t->attr_is_visible(ISCSI_IFACE_PARAM, param); + + if (attr == &dev_attr_iface_vlan_id.attr) + param = ISCSI_NET_PARAM_VLAN_ID; + else if (attr == &dev_attr_iface_vlan_priority.attr) + param = ISCSI_NET_PARAM_VLAN_PRIORITY; + else if (attr == &dev_attr_iface_vlan_enabled.attr) + param = ISCSI_NET_PARAM_VLAN_ENABLED; + else if (attr == &dev_attr_iface_mtu.attr) + param = ISCSI_NET_PARAM_MTU; + else if (attr == &dev_attr_iface_port.attr) + param = ISCSI_NET_PARAM_PORT; + else if (attr == &dev_attr_iface_ipaddress_state.attr) + param = ISCSI_NET_PARAM_IPADDR_STATE; + else if (attr == &dev_attr_iface_delayed_ack_en.attr) + param = ISCSI_NET_PARAM_DELAYED_ACK_EN; + else if (attr == &dev_attr_iface_tcp_nagle_disable.attr) + param = ISCSI_NET_PARAM_TCP_NAGLE_DISABLE; + else if (attr == &dev_attr_iface_tcp_wsf_disable.attr) + param = ISCSI_NET_PARAM_TCP_WSF_DISABLE; + else if (attr == &dev_attr_iface_tcp_wsf.attr) + param = ISCSI_NET_PARAM_TCP_WSF; + else if (attr == &dev_attr_iface_tcp_timer_scale.attr) + param = ISCSI_NET_PARAM_TCP_TIMER_SCALE; + else if (attr == &dev_attr_iface_tcp_timestamp_en.attr) + param = ISCSI_NET_PARAM_TCP_TIMESTAMP_EN; + else if (attr == &dev_attr_iface_cache_id.attr) + param = ISCSI_NET_PARAM_CACHE_ID; + else if (attr == &dev_attr_iface_redirect_en.attr) + param = ISCSI_NET_PARAM_REDIRECT_EN; else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { if (attr == &dev_attr_ipv4_iface_ipaddress.attr) param = ISCSI_NET_PARAM_IPV4_ADDR; @@ -598,32 +601,7 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj, return 0; } - switch (param) { - case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: - case ISCSI_IFACE_PARAM_HDRDGST_EN: - case ISCSI_IFACE_PARAM_DATADGST_EN: - case ISCSI_IFACE_PARAM_IMM_DATA_EN: - case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: - case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: - case ISCSI_IFACE_PARAM_PDU_INORDER_EN: - case ISCSI_IFACE_PARAM_ERL: - case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: - case ISCSI_IFACE_PARAM_FIRST_BURST: - case ISCSI_IFACE_PARAM_MAX_R2T: - case ISCSI_IFACE_PARAM_MAX_BURST: - case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: - case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: - case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: - case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: - case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: - case ISCSI_IFACE_PARAM_INITIATOR_NAME: - param_type = ISCSI_IFACE_PARAM; - break; - default: - param_type = ISCSI_NET_PARAM; - } - - return t->attr_is_visible(param_type, param); + return t->attr_is_visible(ISCSI_NET_PARAM, param); } static struct attribute *iscsi_iface_attrs[] = { diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index 2ef74885ffa2..788dcdf25f00 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -352,8 +352,6 @@ static void cs_activate(struct atmel_spi *as, struct spi_device *spi) } mr = spi_readl(as, MR); - if (spi->cs_gpiod) - gpiod_set_value(spi->cs_gpiod, 1); } else { u32 cpol = (spi->mode & SPI_CPOL) ? SPI_BIT(CPOL) : 0; int i; @@ -369,8 +367,6 @@ static void cs_activate(struct atmel_spi *as, struct spi_device *spi) mr = spi_readl(as, MR); mr = SPI_BFINS(PCS, ~(1 << chip_select), mr); - if (spi->cs_gpiod) - gpiod_set_value(spi->cs_gpiod, 1); spi_writel(as, MR, mr); } @@ -400,8 +396,6 @@ static void cs_deactivate(struct atmel_spi *as, struct spi_device *spi) if (!spi->cs_gpiod) spi_writel(as, CR, SPI_BIT(LASTXFER)); - else - gpiod_set_value(spi->cs_gpiod, 0); } static void atmel_spi_lock(struct atmel_spi *as) __acquires(&as->lock) @@ -1483,7 +1477,8 @@ static int atmel_spi_probe(struct platform_device *pdev) master->bus_num = pdev->id; master->num_chipselect = 4; master->setup = atmel_spi_setup; - master->flags = (SPI_MASTER_MUST_RX | SPI_MASTER_MUST_TX); + master->flags = (SPI_MASTER_MUST_RX | SPI_MASTER_MUST_TX | + SPI_MASTER_GPIO_SS); master->transfer_one = atmel_spi_one_transfer; master->set_cs = atmel_spi_set_cs; master->cleanup = atmel_spi_cleanup; diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index 5f8771fe1a31..775c0bf2f923 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -83,6 +83,7 @@ MODULE_PARM_DESC(polling_limit_us, * struct bcm2835_spi - BCM2835 SPI controller * @regs: base address of register map * @clk: core clock, divided to calculate serial clock + * @clk_hz: core clock cached speed * @irq: interrupt, signals TX FIFO empty or RX FIFO ¾ full * @tfr: SPI transfer currently processed * @ctlr: SPI controller reverse lookup @@ -116,6 +117,7 @@ MODULE_PARM_DESC(polling_limit_us, struct bcm2835_spi { void __iomem *regs; struct clk *clk; + unsigned long clk_hz; int irq; struct spi_transfer *tfr; struct spi_controller *ctlr; @@ -1045,19 +1047,18 @@ static int bcm2835_spi_transfer_one(struct spi_controller *ctlr, { struct bcm2835_spi *bs = spi_controller_get_devdata(ctlr); struct bcm2835_spidev *slv = spi_get_ctldata(spi); - unsigned long spi_hz, clk_hz, cdiv; + unsigned long spi_hz, cdiv; unsigned long hz_per_byte, byte_limit; u32 cs = slv->prepare_cs; /* set clock */ spi_hz = tfr->speed_hz; - clk_hz = clk_get_rate(bs->clk); - if (spi_hz >= clk_hz / 2) { + if (spi_hz >= bs->clk_hz / 2) { cdiv = 2; /* clk_hz/2 is the fastest we can go */ } else if (spi_hz) { /* CDIV must be a multiple of two */ - cdiv = DIV_ROUND_UP(clk_hz, spi_hz); + cdiv = DIV_ROUND_UP(bs->clk_hz, spi_hz); cdiv += (cdiv % 2); if (cdiv >= 65536) @@ -1065,7 +1066,7 @@ static int bcm2835_spi_transfer_one(struct spi_controller *ctlr, } else { cdiv = 0; /* 0 is the slowest we can go */ } - tfr->effective_speed_hz = cdiv ? (clk_hz / cdiv) : (clk_hz / 65536); + tfr->effective_speed_hz = cdiv ? (bs->clk_hz / cdiv) : (bs->clk_hz / 65536); bcm2835_wr(bs, BCM2835_SPI_CLK, cdiv); /* handle all the 3-wire mode */ @@ -1354,6 +1355,7 @@ static int bcm2835_spi_probe(struct platform_device *pdev) return bs->irq ? bs->irq : -ENODEV; clk_prepare_enable(bs->clk); + bs->clk_hz = clk_get_rate(bs->clk); err = bcm2835_dma_init(ctlr, &pdev->dev, bs); if (err) diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 7a00346ff9b9..a2de23516553 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -309,6 +309,9 @@ static unsigned int cqspi_calc_dummy(const struct spi_mem_op *op, bool dtr) { unsigned int dummy_clk; + if (!op->dummy.nbytes) + return 0; + dummy_clk = op->dummy.nbytes * (8 / op->dummy.buswidth); if (dtr) dummy_clk /= 2; @@ -797,19 +800,20 @@ static int cqspi_write_setup(struct cqspi_flash_pdata *f_pdata, reg = cqspi_calc_rdreg(f_pdata); writel(reg, reg_base + CQSPI_REG_RD_INSTR); - if (f_pdata->dtr) { - /* - * Some flashes like the cypress Semper flash expect a 4-byte - * dummy address with the Read SR command in DTR mode, but this - * controller does not support sending address with the Read SR - * command. So, disable write completion polling on the - * controller's side. spi-nor will take care of polling the - * status register. - */ - reg = readl(reg_base + CQSPI_REG_WR_COMPLETION_CTRL); - reg |= CQSPI_REG_WR_DISABLE_AUTO_POLL; - writel(reg, reg_base + CQSPI_REG_WR_COMPLETION_CTRL); - } + /* + * SPI NAND flashes require the address of the status register to be + * passed in the Read SR command. Also, some SPI NOR flashes like the + * cypress Semper flash expect a 4-byte dummy address in the Read SR + * command in DTR mode. + * + * But this controller does not support address phase in the Read SR + * command when doing auto-HW polling. So, disable write completion + * polling on the controller's side. spinand and spi-nor will take + * care of polling the status register. + */ + reg = readl(reg_base + CQSPI_REG_WR_COMPLETION_CTRL); + reg |= CQSPI_REG_WR_DISABLE_AUTO_POLL; + writel(reg, reg_base + CQSPI_REG_WR_COMPLETION_CTRL); reg = readl(reg_base + CQSPI_REG_SIZE); reg &= ~CQSPI_REG_SIZE_ADDRESS_MASK; diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index a3afd1b9ac56..ceb16e70d235 100644 --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -517,6 +517,12 @@ static int cdns_spi_probe(struct platform_device *pdev) goto clk_dis_apb; } + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, SPI_AUTOSUSPEND_TIMEOUT); + pm_runtime_get_noresume(&pdev->dev); + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); + ret = of_property_read_u32(pdev->dev.of_node, "num-cs", &num_cs); if (ret < 0) master->num_chipselect = CDNS_SPI_DEFAULT_NUM_CS; @@ -531,11 +537,6 @@ static int cdns_spi_probe(struct platform_device *pdev) /* SPI controller initializations */ cdns_spi_init_hw(xspi); - pm_runtime_set_active(&pdev->dev); - pm_runtime_enable(&pdev->dev); - pm_runtime_use_autosuspend(&pdev->dev); - pm_runtime_set_autosuspend_delay(&pdev->dev, SPI_AUTOSUSPEND_TIMEOUT); - irq = platform_get_irq(pdev, 0); if (irq <= 0) { ret = -ENXIO; @@ -566,6 +567,9 @@ static int cdns_spi_probe(struct platform_device *pdev) master->bits_per_word_mask = SPI_BPW_MASK(8); + pm_runtime_mark_last_busy(&pdev->dev); + pm_runtime_put_autosuspend(&pdev->dev); + ret = spi_register_master(master); if (ret) { dev_err(&pdev->dev, "spi_register_master failed\n"); diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 39dc02e366f4..4aee3db6d6df 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -506,7 +506,7 @@ static int mx51_ecspi_prepare_message(struct spi_imx_data *spi_imx, { struct spi_device *spi = msg->spi; u32 ctrl = MX51_ECSPI_CTRL_ENABLE; - u32 testreg; + u32 testreg, delay; u32 cfg = readl(spi_imx->base + MX51_ECSPI_CONFIG); /* set Master or Slave mode */ @@ -567,6 +567,23 @@ static int mx51_ecspi_prepare_message(struct spi_imx_data *spi_imx, writel(cfg, spi_imx->base + MX51_ECSPI_CONFIG); + /* + * Wait until the changes in the configuration register CONFIGREG + * propagate into the hardware. It takes exactly one tick of the + * SCLK clock, but we will wait two SCLK clock just to be sure. The + * effect of the delay it takes for the hardware to apply changes + * is noticable if the SCLK clock run very slow. In such a case, if + * the polarity of SCLK should be inverted, the GPIO ChipSelect might + * be asserted before the SCLK polarity changes, which would disrupt + * the SPI communication as the device on the other end would consider + * the change of SCLK polarity as a clock tick already. + */ + delay = (2 * 1000000) / spi_imx->spi_bus_clk; + if (likely(delay < 10)) /* SCLK is faster than 100 kHz */ + udelay(delay); + else /* SCLK is _very_ slow */ + usleep_range(delay, delay + 10); + return 0; } @@ -574,7 +591,7 @@ static int mx51_ecspi_prepare_transfer(struct spi_imx_data *spi_imx, struct spi_device *spi) { u32 ctrl = readl(spi_imx->base + MX51_ECSPI_CTRL); - u32 clk, delay; + u32 clk; /* Clear BL field and set the right value */ ctrl &= ~MX51_ECSPI_CTRL_BL_MASK; @@ -596,23 +613,6 @@ static int mx51_ecspi_prepare_transfer(struct spi_imx_data *spi_imx, writel(ctrl, spi_imx->base + MX51_ECSPI_CTRL); - /* - * Wait until the changes in the configuration register CONFIGREG - * propagate into the hardware. It takes exactly one tick of the - * SCLK clock, but we will wait two SCLK clock just to be sure. The - * effect of the delay it takes for the hardware to apply changes - * is noticable if the SCLK clock run very slow. In such a case, if - * the polarity of SCLK should be inverted, the GPIO ChipSelect might - * be asserted before the SCLK polarity changes, which would disrupt - * the SPI communication as the device on the other end would consider - * the change of SCLK polarity as a clock tick already. - */ - delay = (2 * 1000000) / clk; - if (likely(delay < 10)) /* SCLK is faster than 100 kHz */ - udelay(delay); - else /* SCLK is _very_ slow */ - usleep_range(delay, delay + 10); - return 0; } diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c index 976f73b9e299..68dca8ceb3ad 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c @@ -427,13 +427,23 @@ static int mtk_spi_fifo_transfer(struct spi_master *master, mtk_spi_setup_packet(master); cnt = xfer->len / 4; - iowrite32_rep(mdata->base + SPI_TX_DATA_REG, xfer->tx_buf, cnt); + if (xfer->tx_buf) + iowrite32_rep(mdata->base + SPI_TX_DATA_REG, xfer->tx_buf, cnt); + + if (xfer->rx_buf) + ioread32_rep(mdata->base + SPI_RX_DATA_REG, xfer->rx_buf, cnt); remainder = xfer->len % 4; if (remainder > 0) { reg_val = 0; - memcpy(®_val, xfer->tx_buf + (cnt * 4), remainder); - writel(reg_val, mdata->base + SPI_TX_DATA_REG); + if (xfer->tx_buf) { + memcpy(®_val, xfer->tx_buf + (cnt * 4), remainder); + writel(reg_val, mdata->base + SPI_TX_DATA_REG); + } + if (xfer->rx_buf) { + reg_val = readl(mdata->base + SPI_RX_DATA_REG); + memcpy(xfer->rx_buf + (cnt * 4), ®_val, remainder); + } } mtk_spi_enable_transfer(master); @@ -793,12 +803,6 @@ static int mtk_spi_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); - ret = devm_spi_register_master(&pdev->dev, master); - if (ret) { - dev_err(&pdev->dev, "failed to register master (%d)\n", ret); - goto err_disable_runtime_pm; - } - if (mdata->dev_comp->need_pad_sel) { if (mdata->pad_num != master->num_chipselect) { dev_err(&pdev->dev, @@ -838,6 +842,12 @@ static int mtk_spi_probe(struct platform_device *pdev) dev_notice(&pdev->dev, "SPI dma_set_mask(%d) failed, ret:%d\n", addr_bits, ret); + ret = devm_spi_register_master(&pdev->dev, master); + if (ret) { + dev_err(&pdev->dev, "failed to register master (%d)\n", ret); + goto err_disable_runtime_pm; + } + return 0; err_disable_runtime_pm: diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index 8ffcffbb8157..05618a618939 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -884,15 +884,18 @@ static irqreturn_t stm32h7_spi_irq_thread(int irq, void *dev_id) ier = readl_relaxed(spi->base + STM32H7_SPI_IER); mask = ier; - /* EOTIE is triggered on EOT, SUSP and TXC events. */ + /* + * EOTIE enables irq from EOT, SUSP and TXC events. We need to set + * SUSP to acknowledge it later. TXC is automatically cleared + */ + mask |= STM32H7_SPI_SR_SUSP; /* - * When TXTF is set, DXPIE and TXPIE are cleared. So in case of - * Full-Duplex, need to poll RXP event to know if there are remaining - * data, before disabling SPI. + * DXPIE is set in Full-Duplex, one IT will be raised if TXP and RXP + * are set. So in case of Full-Duplex, need to poll TXP and RXP event. */ - if (spi->rx_buf && !spi->cur_usedma) - mask |= STM32H7_SPI_SR_RXP; + if ((spi->cur_comm == SPI_FULL_DUPLEX) && !spi->cur_usedma) + mask |= STM32H7_SPI_SR_TXP | STM32H7_SPI_SR_RXP; if (!(sr & mask)) { dev_warn(spi->dev, "spurious IT (sr=0x%08x, ier=0x%08x)\n", @@ -1925,6 +1928,7 @@ static int stm32_spi_probe(struct platform_device *pdev) master->can_dma = stm32_spi_can_dma; pm_runtime_set_active(&pdev->dev); + pm_runtime_get_noresume(&pdev->dev); pm_runtime_enable(&pdev->dev); ret = spi_register_master(master); @@ -1940,6 +1944,8 @@ static int stm32_spi_probe(struct platform_device *pdev) err_pm_disable: pm_runtime_disable(&pdev->dev); + pm_runtime_put_noidle(&pdev->dev); + pm_runtime_set_suspended(&pdev->dev); err_dma_release: if (spi->dma_tx) dma_release_channel(spi->dma_tx); @@ -1956,9 +1962,14 @@ static int stm32_spi_remove(struct platform_device *pdev) struct spi_master *master = platform_get_drvdata(pdev); struct stm32_spi *spi = spi_master_get_devdata(master); + pm_runtime_get_sync(&pdev->dev); + spi_unregister_master(master); spi->cfg->disable(spi); + pm_runtime_disable(&pdev->dev); + pm_runtime_put_noidle(&pdev->dev); + pm_runtime_set_suspended(&pdev->dev); if (master->dma_tx) dma_release_channel(master->dma_tx); if (master->dma_rx) @@ -1966,7 +1977,6 @@ static int stm32_spi_remove(struct platform_device *pdev) clk_disable_unprepare(spi->clk); - pm_runtime_disable(&pdev->dev); pinctrl_pm_select_sleep_state(&pdev->dev); diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index b32f4ee88e79..ca1b2312d6e7 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -25,7 +25,7 @@ #include "target_core_alua.h" static sense_reason_t -sbc_check_prot(struct se_device *, struct se_cmd *, unsigned char *, u32, bool); +sbc_check_prot(struct se_device *, struct se_cmd *, unsigned char, u32, bool); static sense_reason_t sbc_execute_unmap(struct se_cmd *cmd); static sense_reason_t @@ -279,14 +279,14 @@ static inline unsigned long long transport_lba_64_ext(unsigned char *cdb) } static sense_reason_t -sbc_setup_write_same(struct se_cmd *cmd, unsigned char *flags, struct sbc_ops *ops) +sbc_setup_write_same(struct se_cmd *cmd, unsigned char flags, struct sbc_ops *ops) { struct se_device *dev = cmd->se_dev; sector_t end_lba = dev->transport->get_blocks(dev) + 1; unsigned int sectors = sbc_get_write_same_sectors(cmd); sense_reason_t ret; - if ((flags[0] & 0x04) || (flags[0] & 0x02)) { + if ((flags & 0x04) || (flags & 0x02)) { pr_err("WRITE_SAME PBDATA and LBDATA" " bits not supported for Block Discard" " Emulation\n"); @@ -308,7 +308,7 @@ sbc_setup_write_same(struct se_cmd *cmd, unsigned char *flags, struct sbc_ops *o } /* We always have ANC_SUP == 0 so setting ANCHOR is always an error */ - if (flags[0] & 0x10) { + if (flags & 0x10) { pr_warn("WRITE SAME with ANCHOR not supported\n"); return TCM_INVALID_CDB_FIELD; } @@ -316,7 +316,7 @@ sbc_setup_write_same(struct se_cmd *cmd, unsigned char *flags, struct sbc_ops *o * Special case for WRITE_SAME w/ UNMAP=1 that ends up getting * translated into block discard requests within backend code. */ - if (flags[0] & 0x08) { + if (flags & 0x08) { if (!ops->execute_unmap) return TCM_UNSUPPORTED_SCSI_OPCODE; @@ -331,7 +331,7 @@ sbc_setup_write_same(struct se_cmd *cmd, unsigned char *flags, struct sbc_ops *o if (!ops->execute_write_same) return TCM_UNSUPPORTED_SCSI_OPCODE; - ret = sbc_check_prot(dev, cmd, &cmd->t_task_cdb[0], sectors, true); + ret = sbc_check_prot(dev, cmd, flags >> 5, sectors, true); if (ret) return ret; @@ -717,10 +717,9 @@ sbc_set_prot_op_checks(u8 protect, bool fabric_prot, enum target_prot_type prot_ } static sense_reason_t -sbc_check_prot(struct se_device *dev, struct se_cmd *cmd, unsigned char *cdb, +sbc_check_prot(struct se_device *dev, struct se_cmd *cmd, unsigned char protect, u32 sectors, bool is_write) { - u8 protect = cdb[1] >> 5; int sp_ops = cmd->se_sess->sup_prot_ops; int pi_prot_type = dev->dev_attrib.pi_prot_type; bool fabric_prot = false; @@ -768,7 +767,7 @@ sbc_check_prot(struct se_device *dev, struct se_cmd *cmd, unsigned char *cdb, fallthrough; default: pr_err("Unable to determine pi_prot_type for CDB: 0x%02x " - "PROTECT: 0x%02x\n", cdb[0], protect); + "PROTECT: 0x%02x\n", cmd->t_task_cdb[0], protect); return TCM_INVALID_CDB_FIELD; } @@ -843,7 +842,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) if (sbc_check_dpofua(dev, cmd, cdb)) return TCM_INVALID_CDB_FIELD; - ret = sbc_check_prot(dev, cmd, cdb, sectors, false); + ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); if (ret) return ret; @@ -857,7 +856,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) if (sbc_check_dpofua(dev, cmd, cdb)) return TCM_INVALID_CDB_FIELD; - ret = sbc_check_prot(dev, cmd, cdb, sectors, false); + ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); if (ret) return ret; @@ -871,7 +870,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) if (sbc_check_dpofua(dev, cmd, cdb)) return TCM_INVALID_CDB_FIELD; - ret = sbc_check_prot(dev, cmd, cdb, sectors, false); + ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); if (ret) return ret; @@ -892,7 +891,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) if (sbc_check_dpofua(dev, cmd, cdb)) return TCM_INVALID_CDB_FIELD; - ret = sbc_check_prot(dev, cmd, cdb, sectors, true); + ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true); if (ret) return ret; @@ -906,7 +905,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) if (sbc_check_dpofua(dev, cmd, cdb)) return TCM_INVALID_CDB_FIELD; - ret = sbc_check_prot(dev, cmd, cdb, sectors, true); + ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true); if (ret) return ret; @@ -921,7 +920,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) if (sbc_check_dpofua(dev, cmd, cdb)) return TCM_INVALID_CDB_FIELD; - ret = sbc_check_prot(dev, cmd, cdb, sectors, true); + ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true); if (ret) return ret; @@ -980,7 +979,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) size = sbc_get_size(cmd, 1); cmd->t_task_lba = get_unaligned_be64(&cdb[12]); - ret = sbc_setup_write_same(cmd, &cdb[10], ops); + ret = sbc_setup_write_same(cmd, cdb[10], ops); if (ret) return ret; break; @@ -1079,7 +1078,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) size = sbc_get_size(cmd, 1); cmd->t_task_lba = get_unaligned_be64(&cdb[2]); - ret = sbc_setup_write_same(cmd, &cdb[1], ops); + ret = sbc_setup_write_same(cmd, cdb[1], ops); if (ret) return ret; break; @@ -1097,7 +1096,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) * Follow sbcr26 with WRITE_SAME (10) and check for the existence * of byte 1 bit 3 UNMAP instead of original reserved field */ - ret = sbc_setup_write_same(cmd, &cdb[1], ops); + ret = sbc_setup_write_same(cmd, cdb[1], ops); if (ret) return ret; break; diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 7e35eddd9eb7..26ceabe34de5 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -886,7 +886,7 @@ void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status) INIT_WORK(&cmd->work, success ? target_complete_ok_work : target_complete_failure_work); - if (wwn->cmd_compl_affinity == SE_COMPL_AFFINITY_CPUID) + if (!wwn || wwn->cmd_compl_affinity == SE_COMPL_AFFINITY_CPUID) cpu = cmd->cpuid; else cpu = wwn->cmd_compl_affinity; diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index fdf79bcf7eb0..35d5908b5478 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -824,7 +824,7 @@ static struct usb_class_driver wdm_class = { }; /* --- WWAN framework integration --- */ -#ifdef CONFIG_WWAN +#ifdef CONFIG_WWAN_CORE static int wdm_wwan_port_start(struct wwan_port *port) { struct wdm_device *desc = wwan_port_get_drvdata(port); @@ -963,11 +963,11 @@ static void wdm_wwan_rx(struct wdm_device *desc, int length) /* inbuf has been copied, it is safe to check for outstanding data */ schedule_work(&desc->service_outs_intr); } -#else /* CONFIG_WWAN */ +#else /* CONFIG_WWAN_CORE */ static void wdm_wwan_init(struct wdm_device *desc) {} static void wdm_wwan_deinit(struct wdm_device *desc) {} static void wdm_wwan_rx(struct wdm_device *desc, int length) {} -#endif /* CONFIG_WWAN */ +#endif /* CONFIG_WWAN_CORE */ /* --- error handling --- */ static void wdm_rxwork(struct work_struct *work) diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index b97464498763..9618ba622a2d 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1133,7 +1133,7 @@ static int do_proc_control(struct usb_dev_state *ps, "wIndex=%04x wLength=%04x\n", ctrl->bRequestType, ctrl->bRequest, ctrl->wValue, ctrl->wIndex, ctrl->wLength); - if (ctrl->bRequestType & 0x80) { + if ((ctrl->bRequestType & USB_DIR_IN) && ctrl->wLength) { pipe = usb_rcvctrlpipe(dev, 0); snoop_urb(dev, NULL, pipe, ctrl->wLength, tmo, SUBMIT, NULL, 0); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index d1efc7141333..86658a81d284 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -48,6 +48,7 @@ #define USB_TP_TRANSMISSION_DELAY 40 /* ns */ #define USB_TP_TRANSMISSION_DELAY_MAX 65535 /* ns */ +#define USB_PING_RESPONSE_TIME 400 /* ns */ /* Protect struct usb_device->state and ->children members * Note: Both are also protected by ->dev.sem, except that ->state can @@ -182,8 +183,9 @@ int usb_device_supports_lpm(struct usb_device *udev) } /* - * Set the Maximum Exit Latency (MEL) for the host to initiate a transition from - * either U1 or U2. + * Set the Maximum Exit Latency (MEL) for the host to wakup up the path from + * U1/U2, send a PING to the device and receive a PING_RESPONSE. + * See USB 3.1 section C.1.5.2 */ static void usb_set_lpm_mel(struct usb_device *udev, struct usb3_lpm_parameters *udev_lpm_params, @@ -193,35 +195,37 @@ static void usb_set_lpm_mel(struct usb_device *udev, unsigned int hub_exit_latency) { unsigned int total_mel; - unsigned int device_mel; - unsigned int hub_mel; /* - * Calculate the time it takes to transition all links from the roothub - * to the parent hub into U0. The parent hub must then decode the - * packet (hub header decode latency) to figure out which port it was - * bound for. - * - * The Hub Header decode latency is expressed in 0.1us intervals (0x1 - * means 0.1us). Multiply that by 100 to get nanoseconds. + * tMEL1. time to transition path from host to device into U0. + * MEL for parent already contains the delay up to parent, so only add + * the exit latency for the last link (pick the slower exit latency), + * and the hub header decode latency. See USB 3.1 section C 2.2.1 + * Store MEL in nanoseconds */ total_mel = hub_lpm_params->mel + - (hub->descriptor->u.ss.bHubHdrDecLat * 100); + max(udev_exit_latency, hub_exit_latency) * 1000 + + hub->descriptor->u.ss.bHubHdrDecLat * 100; /* - * How long will it take to transition the downstream hub's port into - * U0? The greater of either the hub exit latency or the device exit - * latency. - * - * The BOS U1/U2 exit latencies are expressed in 1us intervals. - * Multiply that by 1000 to get nanoseconds. + * tMEL2. Time to submit PING packet. Sum of tTPTransmissionDelay for + * each link + wHubDelay for each hub. Add only for last link. + * tMEL4, the time for PING_RESPONSE to traverse upstream is similar. + * Multiply by 2 to include it as well. */ - device_mel = udev_exit_latency * 1000; - hub_mel = hub_exit_latency * 1000; - if (device_mel > hub_mel) - total_mel += device_mel; - else - total_mel += hub_mel; + total_mel += (__le16_to_cpu(hub->descriptor->u.ss.wHubDelay) + + USB_TP_TRANSMISSION_DELAY) * 2; + + /* + * tMEL3, tPingResponse. Time taken by device to generate PING_RESPONSE + * after receiving PING. Also add 2100ns as stated in USB 3.1 C 1.5.2.4 + * to cover the delay if the PING_RESPONSE is queued behind a Max Packet + * Size DP. + * Note these delays should be added only once for the entire path, so + * add them to the MEL of the device connected to the roothub. + */ + if (!hub->hdev->parent) + total_mel += USB_PING_RESPONSE_TIME + 2100; udev_lpm_params->mel = total_mel; } @@ -4113,6 +4117,47 @@ static int usb_set_lpm_timeout(struct usb_device *udev, } /* + * Don't allow device intiated U1/U2 if the system exit latency + one bus + * interval is greater than the minimum service interval of any active + * periodic endpoint. See USB 3.2 section 9.4.9 + */ +static bool usb_device_may_initiate_lpm(struct usb_device *udev, + enum usb3_link_state state) +{ + unsigned int sel; /* us */ + int i, j; + + if (state == USB3_LPM_U1) + sel = DIV_ROUND_UP(udev->u1_params.sel, 1000); + else if (state == USB3_LPM_U2) + sel = DIV_ROUND_UP(udev->u2_params.sel, 1000); + else + return false; + + for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) { + struct usb_interface *intf; + struct usb_endpoint_descriptor *desc; + unsigned int interval; + + intf = udev->actconfig->interface[i]; + if (!intf) + continue; + + for (j = 0; j < intf->cur_altsetting->desc.bNumEndpoints; j++) { + desc = &intf->cur_altsetting->endpoint[j].desc; + + if (usb_endpoint_xfer_int(desc) || + usb_endpoint_xfer_isoc(desc)) { + interval = (1 << (desc->bInterval - 1)) * 125; + if (sel + 125 > interval) + return false; + } + } + } + return true; +} + +/* * Enable the hub-initiated U1/U2 idle timeouts, and enable device-initiated * U1/U2 entry. * @@ -4184,20 +4229,23 @@ static void usb_enable_link_state(struct usb_hcd *hcd, struct usb_device *udev, * U1/U2_ENABLE */ if (udev->actconfig && - usb_set_device_initiated_lpm(udev, state, true) == 0) { - if (state == USB3_LPM_U1) - udev->usb3_lpm_u1_enabled = 1; - else if (state == USB3_LPM_U2) - udev->usb3_lpm_u2_enabled = 1; - } else { - /* Don't request U1/U2 entry if the device - * cannot transition to U1/U2. - */ - usb_set_lpm_timeout(udev, state, 0); - hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state); + usb_device_may_initiate_lpm(udev, state)) { + if (usb_set_device_initiated_lpm(udev, state, true)) { + /* + * Request to enable device initiated U1/U2 failed, + * better to turn off lpm in this case. + */ + usb_set_lpm_timeout(udev, state, 0); + hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state); + return; + } } -} + if (state == USB3_LPM_U1) + udev->usb3_lpm_u1_enabled = 1; + else if (state == USB3_LPM_U2) + udev->usb3_lpm_u2_enabled = 1; +} /* * Disable the hub-initiated U1/U2 idle timeouts, and disable device-initiated * U1/U2 entry. diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 6114cf83bb44..8239fe7129dd 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -501,10 +501,6 @@ static const struct usb_device_id usb_quirk_list[] = { /* DJI CineSSD */ { USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM }, - /* Fibocom L850-GL LTE Modem */ - { USB_DEVICE(0x2cb7, 0x0007), .driver_info = - USB_QUIRK_IGNORE_REMOTE_WAKEUP }, - /* INTEL VALUE SSD */ { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME }, diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index ab6b815e0089..483de2bbfaab 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -383,6 +383,9 @@ enum dwc2_ep0_state { * 0 - No (default) * 1 - Partial power down * 2 - Hibernation + * @no_clock_gating: Specifies whether to avoid clock gating feature. + * 0 - No (use clock gating) + * 1 - Yes (avoid it) * @lpm: Enable LPM support. * 0 - No * 1 - Yes @@ -480,6 +483,7 @@ struct dwc2_core_params { #define DWC2_POWER_DOWN_PARAM_NONE 0 #define DWC2_POWER_DOWN_PARAM_PARTIAL 1 #define DWC2_POWER_DOWN_PARAM_HIBERNATION 2 + bool no_clock_gating; bool lpm; bool lpm_clock_gating; diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c index a5ab03808da6..a5c52b237e72 100644 --- a/drivers/usb/dwc2/core_intr.c +++ b/drivers/usb/dwc2/core_intr.c @@ -556,7 +556,8 @@ static void dwc2_handle_usb_suspend_intr(struct dwc2_hsotg *hsotg) * If neither hibernation nor partial power down are supported, * clock gating is used to save power. */ - dwc2_gadget_enter_clock_gating(hsotg); + if (!hsotg->params.no_clock_gating) + dwc2_gadget_enter_clock_gating(hsotg); } /* diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index c581ee41ac81..3146df6e6510 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2749,12 +2749,14 @@ static void dwc2_hsotg_complete_in(struct dwc2_hsotg *hsotg, return; } - /* Zlp for all endpoints, for ep0 only in DATA IN stage */ + /* Zlp for all endpoints in non DDMA, for ep0 only in DATA IN stage */ if (hs_ep->send_zlp) { - dwc2_hsotg_program_zlp(hsotg, hs_ep); hs_ep->send_zlp = 0; - /* transfer will be completed on next complete interrupt */ - return; + if (!using_desc_dma(hsotg)) { + dwc2_hsotg_program_zlp(hsotg, hs_ep); + /* transfer will be completed on next complete interrupt */ + return; + } } if (hs_ep->index == 0 && hsotg->ep0_state == DWC2_EP0_DATA_IN) { @@ -3900,9 +3902,27 @@ static void dwc2_hsotg_ep_stop_xfr(struct dwc2_hsotg *hsotg, __func__); } } else { + /* Mask GINTSTS_GOUTNAKEFF interrupt */ + dwc2_hsotg_disable_gsint(hsotg, GINTSTS_GOUTNAKEFF); + if (!(dwc2_readl(hsotg, GINTSTS) & GINTSTS_GOUTNAKEFF)) dwc2_set_bit(hsotg, DCTL, DCTL_SGOUTNAK); + if (!using_dma(hsotg)) { + /* Wait for GINTSTS_RXFLVL interrupt */ + if (dwc2_hsotg_wait_bit_set(hsotg, GINTSTS, + GINTSTS_RXFLVL, 100)) { + dev_warn(hsotg->dev, "%s: timeout GINTSTS.RXFLVL\n", + __func__); + } else { + /* + * Pop GLOBAL OUT NAK status packet from RxFIFO + * to assert GOUTNAKEFF interrupt + */ + dwc2_readl(hsotg, GRXSTSP); + } + } + /* Wait for global nak to take effect */ if (dwc2_hsotg_wait_bit_set(hsotg, GINTSTS, GINTSTS_GOUTNAKEFF, 100)) @@ -4348,6 +4368,9 @@ static int dwc2_hsotg_ep_sethalt(struct usb_ep *ep, int value, bool now) epctl = dwc2_readl(hs, epreg); if (value) { + /* Unmask GOUTNAKEFF interrupt */ + dwc2_hsotg_en_gsint(hs, GINTSTS_GOUTNAKEFF); + if (!(dwc2_readl(hs, GINTSTS) & GINTSTS_GOUTNAKEFF)) dwc2_set_bit(hs, DCTL, DCTL_SGOUTNAK); // STALL bit will be set in GOUTNAKEFF interrupt handler diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 035d4911a3c3..2a7828971d05 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -3338,7 +3338,8 @@ int dwc2_port_suspend(struct dwc2_hsotg *hsotg, u16 windex) * If not hibernation nor partial power down are supported, * clock gating is used to save power. */ - dwc2_host_enter_clock_gating(hsotg); + if (!hsotg->params.no_clock_gating) + dwc2_host_enter_clock_gating(hsotg); break; } @@ -4402,7 +4403,8 @@ static int _dwc2_hcd_suspend(struct usb_hcd *hcd) * If not hibernation nor partial power down are supported, * clock gating is used to save power. */ - dwc2_host_enter_clock_gating(hsotg); + if (!hsotg->params.no_clock_gating) + dwc2_host_enter_clock_gating(hsotg); /* After entering suspend, hardware is not accessible */ clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index 67c5eb140232..59e119345994 100644 --- a/drivers/usb/dwc2/params.c +++ b/drivers/usb/dwc2/params.c @@ -76,6 +76,7 @@ static void dwc2_set_s3c6400_params(struct dwc2_hsotg *hsotg) struct dwc2_core_params *p = &hsotg->params; p->power_down = DWC2_POWER_DOWN_PARAM_NONE; + p->no_clock_gating = true; p->phy_utmi_width = 8; } diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index dccdf13b5f9e..5991766239ba 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -1279,6 +1279,7 @@ struct dwc3 { unsigned dis_metastability_quirk:1; unsigned dis_split_quirk:1; + unsigned async_callbacks:1; u16 imod_interval; }; diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 3cd294264372..2f9e45eed228 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -597,11 +597,13 @@ static int dwc3_ep0_set_address(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) static int dwc3_ep0_delegate_req(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) { - int ret; + int ret = -EINVAL; - spin_unlock(&dwc->lock); - ret = dwc->gadget_driver->setup(dwc->gadget, ctrl); - spin_lock(&dwc->lock); + if (dwc->async_callbacks) { + spin_unlock(&dwc->lock); + ret = dwc->gadget_driver->setup(dwc->gadget, ctrl); + spin_lock(&dwc->lock); + } return ret; } diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index af6d7f157989..45f2bc0807e8 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2585,6 +2585,16 @@ static int dwc3_gadget_vbus_draw(struct usb_gadget *g, unsigned int mA) return ret; } +static void dwc3_gadget_async_callbacks(struct usb_gadget *g, bool enable) +{ + struct dwc3 *dwc = gadget_to_dwc(g); + unsigned long flags; + + spin_lock_irqsave(&dwc->lock, flags); + dwc->async_callbacks = enable; + spin_unlock_irqrestore(&dwc->lock, flags); +} + static const struct usb_gadget_ops dwc3_gadget_ops = { .get_frame = dwc3_gadget_get_frame, .wakeup = dwc3_gadget_wakeup, @@ -2596,6 +2606,7 @@ static const struct usb_gadget_ops dwc3_gadget_ops = { .udc_set_ssp_rate = dwc3_gadget_set_ssp_rate, .get_config_params = dwc3_gadget_config_params, .vbus_draw = dwc3_gadget_vbus_draw, + .udc_async_callbacks = dwc3_gadget_async_callbacks, }; /* -------------------------------------------------------------------------- */ @@ -3231,7 +3242,7 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, static void dwc3_disconnect_gadget(struct dwc3 *dwc) { - if (dwc->gadget_driver && dwc->gadget_driver->disconnect) { + if (dwc->async_callbacks && dwc->gadget_driver->disconnect) { spin_unlock(&dwc->lock); dwc->gadget_driver->disconnect(dwc->gadget); spin_lock(&dwc->lock); @@ -3240,7 +3251,7 @@ static void dwc3_disconnect_gadget(struct dwc3 *dwc) static void dwc3_suspend_gadget(struct dwc3 *dwc) { - if (dwc->gadget_driver && dwc->gadget_driver->suspend) { + if (dwc->async_callbacks && dwc->gadget_driver->suspend) { spin_unlock(&dwc->lock); dwc->gadget_driver->suspend(dwc->gadget); spin_lock(&dwc->lock); @@ -3249,7 +3260,7 @@ static void dwc3_suspend_gadget(struct dwc3 *dwc) static void dwc3_resume_gadget(struct dwc3 *dwc) { - if (dwc->gadget_driver && dwc->gadget_driver->resume) { + if (dwc->async_callbacks && dwc->gadget_driver->resume) { spin_unlock(&dwc->lock); dwc->gadget_driver->resume(dwc->gadget); spin_lock(&dwc->lock); @@ -3261,7 +3272,7 @@ static void dwc3_reset_gadget(struct dwc3 *dwc) if (!dwc->gadget_driver) return; - if (dwc->gadget->speed != USB_SPEED_UNKNOWN) { + if (dwc->async_callbacks && dwc->gadget->speed != USB_SPEED_UNKNOWN) { spin_unlock(&dwc->lock); usb_gadget_udc_reset(dwc->gadget, dwc->gadget_driver); spin_lock(&dwc->lock); @@ -3585,7 +3596,7 @@ static void dwc3_gadget_wakeup_interrupt(struct dwc3 *dwc) * implemented. */ - if (dwc->gadget_driver && dwc->gadget_driver->resume) { + if (dwc->async_callbacks && dwc->gadget_driver->resume) { spin_unlock(&dwc->lock); dwc->gadget_driver->resume(dwc->gadget); spin_lock(&dwc->lock); diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index bffef8e47dac..281ca766698a 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -1198,7 +1198,7 @@ void gserial_free_line(unsigned char port_num) struct gs_port *port; mutex_lock(&ports[port_num].lock); - if (WARN_ON(!ports[port_num].port)) { + if (!ports[port_num].port) { mutex_unlock(&ports[port_num].lock); return; } diff --git a/drivers/usb/gadget/udc/tegra-xudc.c b/drivers/usb/gadget/udc/tegra-xudc.c index a54d1cef17db..c0ca7144e512 100644 --- a/drivers/usb/gadget/udc/tegra-xudc.c +++ b/drivers/usb/gadget/udc/tegra-xudc.c @@ -3853,6 +3853,7 @@ static int tegra_xudc_probe(struct platform_device *pdev) return 0; free_eps: + pm_runtime_disable(&pdev->dev); tegra_xudc_free_eps(xudc); free_event_ring: tegra_xudc_free_event_ring(xudc); diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 36f5bf6a0752..10b0365f3439 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -703,24 +703,28 @@ EXPORT_SYMBOL_GPL(ehci_setup); static irqreturn_t ehci_irq (struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci (hcd); - u32 status, masked_status, pcd_status = 0, cmd; + u32 status, current_status, masked_status, pcd_status = 0; + u32 cmd; int bh; spin_lock(&ehci->lock); - status = ehci_readl(ehci, &ehci->regs->status); + status = 0; + current_status = ehci_readl(ehci, &ehci->regs->status); +restart: /* e.g. cardbus physical eject */ - if (status == ~(u32) 0) { + if (current_status == ~(u32) 0) { ehci_dbg (ehci, "device removed\n"); goto dead; } + status |= current_status; /* * We don't use STS_FLR, but some controllers don't like it to * remain on, so mask it out along with the other status bits. */ - masked_status = status & (INTR_MASK | STS_FLR); + masked_status = current_status & (INTR_MASK | STS_FLR); /* Shared IRQ? */ if (!masked_status || unlikely(ehci->rh_state == EHCI_RH_HALTED)) { @@ -730,6 +734,12 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) /* clear (just) interrupts */ ehci_writel(ehci, masked_status, &ehci->regs->status); + + /* For edge interrupts, don't race with an interrupt bit being raised */ + current_status = ehci_readl(ehci, &ehci->regs->status); + if (current_status & INTR_MASK) + goto restart; + cmd = ehci_readl(ehci, &ehci->regs->command); bh = 0; diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c index e7a8e0609853..59cc1bc7f12f 100644 --- a/drivers/usb/host/max3421-hcd.c +++ b/drivers/usb/host/max3421-hcd.c @@ -153,8 +153,6 @@ struct max3421_hcd { */ struct urb *curr_urb; enum scheduling_pass sched_pass; - struct usb_device *loaded_dev; /* dev that's loaded into the chip */ - int loaded_epnum; /* epnum whose toggles are loaded */ int urb_done; /* > 0 -> no errors, < 0: errno */ size_t curr_len; u8 hien; @@ -492,39 +490,17 @@ max3421_set_speed(struct usb_hcd *hcd, struct usb_device *dev) * Caller must NOT hold HCD spinlock. */ static void -max3421_set_address(struct usb_hcd *hcd, struct usb_device *dev, int epnum, - int force_toggles) +max3421_set_address(struct usb_hcd *hcd, struct usb_device *dev, int epnum) { - struct max3421_hcd *max3421_hcd = hcd_to_max3421(hcd); - int old_epnum, same_ep, rcvtog, sndtog; - struct usb_device *old_dev; + int rcvtog, sndtog; u8 hctl; - old_dev = max3421_hcd->loaded_dev; - old_epnum = max3421_hcd->loaded_epnum; - - same_ep = (dev == old_dev && epnum == old_epnum); - if (same_ep && !force_toggles) - return; - - if (old_dev && !same_ep) { - /* save the old end-points toggles: */ - u8 hrsl = spi_rd8(hcd, MAX3421_REG_HRSL); - - rcvtog = (hrsl >> MAX3421_HRSL_RCVTOGRD_BIT) & 1; - sndtog = (hrsl >> MAX3421_HRSL_SNDTOGRD_BIT) & 1; - - /* no locking: HCD (i.e., we) own toggles, don't we? */ - usb_settoggle(old_dev, old_epnum, 0, rcvtog); - usb_settoggle(old_dev, old_epnum, 1, sndtog); - } /* setup new endpoint's toggle bits: */ rcvtog = usb_gettoggle(dev, epnum, 0); sndtog = usb_gettoggle(dev, epnum, 1); hctl = (BIT(rcvtog + MAX3421_HCTL_RCVTOG0_BIT) | BIT(sndtog + MAX3421_HCTL_SNDTOG0_BIT)); - max3421_hcd->loaded_epnum = epnum; spi_wr8(hcd, MAX3421_REG_HCTL, hctl); /* @@ -532,7 +508,6 @@ max3421_set_address(struct usb_hcd *hcd, struct usb_device *dev, int epnum, * address-assignment so it's best to just always load the * address whenever the end-point changed/was forced. */ - max3421_hcd->loaded_dev = dev; spi_wr8(hcd, MAX3421_REG_PERADDR, dev->devnum); } @@ -667,7 +642,7 @@ max3421_select_and_start_urb(struct usb_hcd *hcd) struct max3421_hcd *max3421_hcd = hcd_to_max3421(hcd); struct urb *urb, *curr_urb = NULL; struct max3421_ep *max3421_ep; - int epnum, force_toggles = 0; + int epnum; struct usb_host_endpoint *ep; struct list_head *pos; unsigned long flags; @@ -777,7 +752,6 @@ done: usb_settoggle(urb->dev, epnum, 0, 1); usb_settoggle(urb->dev, epnum, 1, 1); max3421_ep->pkt_state = PKT_STATE_SETUP; - force_toggles = 1; } else max3421_ep->pkt_state = PKT_STATE_TRANSFER; } @@ -785,7 +759,7 @@ done: spin_unlock_irqrestore(&max3421_hcd->lock, flags); max3421_ep->last_active = max3421_hcd->frame_number; - max3421_set_address(hcd, urb->dev, epnum, force_toggles); + max3421_set_address(hcd, urb->dev, epnum); max3421_set_speed(hcd, urb->dev); max3421_next_transfer(hcd, 0); return 1; @@ -1379,6 +1353,16 @@ max3421_urb_done(struct usb_hcd *hcd) status = 0; urb = max3421_hcd->curr_urb; if (urb) { + /* save the old end-points toggles: */ + u8 hrsl = spi_rd8(hcd, MAX3421_REG_HRSL); + int rcvtog = (hrsl >> MAX3421_HRSL_RCVTOGRD_BIT) & 1; + int sndtog = (hrsl >> MAX3421_HRSL_SNDTOGRD_BIT) & 1; + int epnum = usb_endpoint_num(&urb->ep->desc); + + /* no locking: HCD (i.e., we) own toggles, don't we? */ + usb_settoggle(urb->dev, epnum, 0, rcvtog); + usb_settoggle(urb->dev, epnum, 1, sndtog); + max3421_hcd->curr_urb = NULL; spin_lock_irqsave(&max3421_hcd->lock, flags); usb_hcd_unlink_urb_from_ep(hcd, urb); diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index e9b18fc17617..151e93c4bd57 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -1638,11 +1638,12 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf) * Inform the usbcore about resume-in-progress by returning * a non-zero value even if there are no status changes. */ + spin_lock_irqsave(&xhci->lock, flags); + status = bus_state->resuming_ports; mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC | PORT_WRC | PORT_CEC; - spin_lock_irqsave(&xhci->lock, flags); /* For each port, did anything change? If so, set that bit in buf. */ for (i = 0; i < max_ports; i++) { temp = readl(ports[i]->addr); diff --git a/drivers/usb/host/xhci-pci-renesas.c b/drivers/usb/host/xhci-pci-renesas.c index 1da647961c25..5923844ed821 100644 --- a/drivers/usb/host/xhci-pci-renesas.c +++ b/drivers/usb/host/xhci-pci-renesas.c @@ -207,8 +207,7 @@ static int renesas_check_rom_state(struct pci_dev *pdev) return 0; case RENESAS_ROM_STATUS_NO_RESULT: /* No result yet */ - dev_dbg(&pdev->dev, "Unknown ROM status ...\n"); - break; + return 0; case RENESAS_ROM_STATUS_ERROR: /* Error State */ default: /* All other states are marked as "Reserved states" */ @@ -225,12 +224,13 @@ static int renesas_fw_check_running(struct pci_dev *pdev) u8 fw_state; int err; - /* - * Only if device has ROM and loaded FW we can skip loading and - * return success. Otherwise (even unknown state), attempt to load FW. - */ - if (renesas_check_rom(pdev) && !renesas_check_rom_state(pdev)) - return 0; + /* Check if device has ROM and loaded, if so skip everything */ + err = renesas_check_rom(pdev); + if (err) { /* we have rom */ + err = renesas_check_rom_state(pdev); + if (!err) + return err; + } /* * Test if the device is actually needing the firmware. As most diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 18c2bbddf080..1c9a7957c45c 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -636,7 +636,14 @@ static const struct pci_device_id pci_ids[] = { { /* end: all zeroes */ } }; MODULE_DEVICE_TABLE(pci, pci_ids); + +/* + * Without CONFIG_USB_XHCI_PCI_RENESAS renesas_xhci_check_request_fw() won't + * load firmware, so don't encumber the xhci-pci driver with it. + */ +#if IS_ENABLED(CONFIG_USB_XHCI_PCI_RENESAS) MODULE_FIRMWARE("renesas_usb_fw.mem"); +#endif /* pci driver glue; this is a "new style" PCI driver module */ static struct pci_driver xhci_pci_driver = { diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c index 83ed5089475a..1b24492bb4e5 100644 --- a/drivers/usb/phy/phy.c +++ b/drivers/usb/phy/phy.c @@ -86,10 +86,10 @@ static struct usb_phy *__device_to_usb_phy(struct device *dev) list_for_each_entry(usb_phy, &phy_list, head) { if (usb_phy->dev == dev) - break; + return usb_phy; } - return usb_phy; + return NULL; } static void usb_phy_set_default_current(struct usb_phy *usb_phy) @@ -150,8 +150,14 @@ static int usb_phy_uevent(struct device *dev, struct kobj_uevent_env *env) struct usb_phy *usb_phy; char uchger_state[50] = { 0 }; char uchger_type[50] = { 0 }; + unsigned long flags; + spin_lock_irqsave(&phy_lock, flags); usb_phy = __device_to_usb_phy(dev); + spin_unlock_irqrestore(&phy_lock, flags); + + if (!usb_phy) + return -ENODEV; snprintf(uchger_state, ARRAY_SIZE(uchger_state), "USB_CHARGER_STATE=%s", usb_chger_state[usb_phy->chg_state]); diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index b5e7991dc7d9..a3c2b01ccf7b 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -101,6 +101,8 @@ static struct dma_chan *usbhsf_dma_chan_get(struct usbhs_fifo *fifo, #define usbhsf_dma_map(p) __usbhsf_dma_map_ctrl(p, 1) #define usbhsf_dma_unmap(p) __usbhsf_dma_map_ctrl(p, 0) static int __usbhsf_dma_map_ctrl(struct usbhs_pkt *pkt, int map); +static void usbhsf_tx_irq_ctrl(struct usbhs_pipe *pipe, int enable); +static void usbhsf_rx_irq_ctrl(struct usbhs_pipe *pipe, int enable); struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt) { struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe); @@ -123,6 +125,11 @@ struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt) if (chan) { dmaengine_terminate_all(chan); usbhsf_dma_unmap(pkt); + } else { + if (usbhs_pipe_is_dir_in(pipe)) + usbhsf_rx_irq_ctrl(pipe, 0); + else + usbhsf_tx_irq_ctrl(pipe, 0); } usbhs_pipe_clear_without_sequence(pipe, 0, 0); diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 09b845d0da41..3c80bfbf3bec 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -155,6 +155,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x89A4) }, /* CESINEL FTBC Flexible Thyristor Bridge Controller */ { USB_DEVICE(0x10C4, 0x89FB) }, /* Qivicon ZigBee USB Radio Stick */ { USB_DEVICE(0x10C4, 0x8A2A) }, /* HubZ dual ZigBee and Z-Wave dongle */ + { USB_DEVICE(0x10C4, 0x8A5B) }, /* CEL EM3588 ZigBee USB Stick */ { USB_DEVICE(0x10C4, 0x8A5E) }, /* CEL EM3588 ZigBee USB Stick Long Range */ { USB_DEVICE(0x10C4, 0x8B34) }, /* Qivicon ZigBee USB Radio Stick */ { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ @@ -202,8 +203,8 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1901, 0x0194) }, /* GE Healthcare Remote Alarm Box */ { USB_DEVICE(0x1901, 0x0195) }, /* GE B850/B650/B450 CP2104 DP UART interface */ { USB_DEVICE(0x1901, 0x0196) }, /* GE B850 CP2105 DP UART interface */ - { USB_DEVICE(0x1901, 0x0197) }, /* GE CS1000 Display serial interface */ - { USB_DEVICE(0x1901, 0x0198) }, /* GE CS1000 M.2 Key E serial interface */ + { USB_DEVICE(0x1901, 0x0197) }, /* GE CS1000 M.2 Key E serial interface */ + { USB_DEVICE(0x1901, 0x0198) }, /* GE CS1000 Display serial interface */ { USB_DEVICE(0x199B, 0xBA30) }, /* LORD WSDA-200-USB */ { USB_DEVICE(0x19CF, 0x3000) }, /* Parrot NMEA GPS Flight Recorder */ { USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 7608584ef4fe..0fbe253dc570 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -238,6 +238,7 @@ static void option_instat_callback(struct urb *urb); #define QUECTEL_PRODUCT_UC15 0x9090 /* These u-blox products use Qualcomm's vendor ID */ #define UBLOX_PRODUCT_R410M 0x90b2 +#define UBLOX_PRODUCT_R6XX 0x90fa /* These Yuga products use Qualcomm's vendor ID */ #define YUGA_PRODUCT_CLM920_NC5 0x9625 @@ -1101,6 +1102,8 @@ static const struct usb_device_id option_ids[] = { /* u-blox products using Qualcomm vendor ID */ { USB_DEVICE(QUALCOMM_VENDOR_ID, UBLOX_PRODUCT_R410M), .driver_info = RSVD(1) | RSVD(3) }, + { USB_DEVICE(QUALCOMM_VENDOR_ID, UBLOX_PRODUCT_R6XX), + .driver_info = RSVD(3) }, /* Quectel products using Quectel vendor ID */ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC21, 0xff, 0xff, 0xff), .driver_info = NUMEP2 }, diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index f9677a5ec31b..c35a6db993f1 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -45,6 +45,13 @@ UNUSUAL_DEV(0x059f, 0x105f, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_REPORT_OPCODES | US_FL_NO_SAME), +/* Reported-by: Julian Sikorski <belegdol@gmail.com> */ +UNUSUAL_DEV(0x059f, 0x1061, 0x0000, 0x9999, + "LaCie", + "Rugged USB3-FW", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_IGNORE_UAS), + /* * Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI * commands in UAS mode. Observed with the 1.28 firmware; are there others? diff --git a/drivers/usb/typec/stusb160x.c b/drivers/usb/typec/stusb160x.c index 6eaeba9b096e..e7745d1c2a5c 100644 --- a/drivers/usb/typec/stusb160x.c +++ b/drivers/usb/typec/stusb160x.c @@ -686,6 +686,15 @@ static int stusb160x_probe(struct i2c_client *client) return -ENODEV; /* + * This fwnode has a "compatible" property, but is never populated as a + * struct device. Instead we simply parse it to read the properties. + * This it breaks fw_devlink=on. To maintain backward compatibility + * with existing DT files, we work around this by deleting any + * fwnode_links to/from this fwnode. + */ + fw_devlink_purge_absent_suppliers(fwnode); + + /* * When both VDD and VSYS power supplies are present, the low power * supply VSYS is selected when VSYS voltage is above 3.1 V. * Otherwise VDD is selected. @@ -739,10 +748,6 @@ static int stusb160x_probe(struct i2c_client *client) typec_set_pwr_opmode(chip->port, chip->pwr_opmode); if (client->irq) { - ret = stusb160x_irq_init(chip, client->irq); - if (ret) - goto port_unregister; - chip->role_sw = fwnode_usb_role_switch_get(fwnode); if (IS_ERR(chip->role_sw)) { ret = PTR_ERR(chip->role_sw); @@ -752,6 +757,10 @@ static int stusb160x_probe(struct i2c_client *client) ret); goto port_unregister; } + + ret = stusb160x_irq_init(chip, client->irq); + if (ret) + goto role_sw_put; } else { /* * If Source or Dual power role, need to enable VDD supply @@ -775,6 +784,9 @@ static int stusb160x_probe(struct i2c_client *client) return 0; +role_sw_put: + if (chip->role_sw) + usb_role_switch_put(chip->role_sw); port_unregister: typec_unregister_port(chip->port); all_reg_disable: diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c index 938219bc1b4b..21b3ae25c76d 100644 --- a/drivers/usb/typec/tipd/core.c +++ b/drivers/usb/typec/tipd/core.c @@ -629,6 +629,15 @@ static int tps6598x_probe(struct i2c_client *client) if (!fwnode) return -ENODEV; + /* + * This fwnode has a "compatible" property, but is never populated as a + * struct device. Instead we simply parse it to read the properties. + * This breaks fw_devlink=on. To maintain backward compatibility + * with existing DT files, we work around this by deleting any + * fwnode_links to/from this fwnode. + */ + fw_devlink_purge_absent_suppliers(fwnode); + tps->role_sw = fwnode_usb_role_switch_get(fwnode); if (IS_ERR(tps->role_sw)) { ret = PTR_ERR(tps->role_sw); diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt index 06fb7a93a1bd..4d5ae61580aa 100644 --- a/fs/Kconfig.binfmt +++ b/fs/Kconfig.binfmt @@ -168,21 +168,6 @@ config OSF4_COMPAT with v4 shared libraries freely available from Compaq. If you're going to use shared libraries from Tru64 version 5.0 or later, say N. -config BINFMT_EM86 - tristate "Kernel support for Linux/Intel ELF binaries" - depends on ALPHA - help - Say Y here if you want to be able to execute Linux/Intel ELF - binaries just like native Alpha binaries on your Alpha machine. For - this to work, you need to have the emulator /usr/bin/em86 in place. - - You can get the same functionality by saying N here and saying Y to - "Kernel support for MISC binaries". - - You may answer M to compile the emulation support as a module and - later load the module when you want to use a Linux/Intel binary. The - module will be called binfmt_em86. If unsure, say Y. - config BINFMT_MISC tristate "Kernel support for MISC binaries" help diff --git a/fs/Makefile b/fs/Makefile index 9c708e1fbe8f..f98f3e691c37 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -39,7 +39,6 @@ obj-$(CONFIG_FS_ENCRYPTION) += crypto/ obj-$(CONFIG_FS_VERITY) += verity/ obj-$(CONFIG_FILE_LOCKING) += locks.o obj-$(CONFIG_BINFMT_AOUT) += binfmt_aout.o -obj-$(CONFIG_BINFMT_EM86) += binfmt_em86.o obj-$(CONFIG_BINFMT_MISC) += binfmt_misc.o obj-$(CONFIG_BINFMT_SCRIPT) += binfmt_script.o obj-$(CONFIG_BINFMT_ELF) += binfmt_elf.o diff --git a/fs/afs/cmservice.c b/fs/afs/cmservice.c index d3c6bb22c5f4..a3f5de28be79 100644 --- a/fs/afs/cmservice.c +++ b/fs/afs/cmservice.c @@ -29,16 +29,11 @@ static void SRXAFSCB_TellMeAboutYourself(struct work_struct *); static int afs_deliver_yfs_cb_callback(struct afs_call *); -#define CM_NAME(name) \ - char afs_SRXCB##name##_name[] __tracepoint_string = \ - "CB." #name - /* * CB.CallBack operation type */ -static CM_NAME(CallBack); static const struct afs_call_type afs_SRXCBCallBack = { - .name = afs_SRXCBCallBack_name, + .name = "CB.CallBack", .deliver = afs_deliver_cb_callback, .destructor = afs_cm_destructor, .work = SRXAFSCB_CallBack, @@ -47,9 +42,8 @@ static const struct afs_call_type afs_SRXCBCallBack = { /* * CB.InitCallBackState operation type */ -static CM_NAME(InitCallBackState); static const struct afs_call_type afs_SRXCBInitCallBackState = { - .name = afs_SRXCBInitCallBackState_name, + .name = "CB.InitCallBackState", .deliver = afs_deliver_cb_init_call_back_state, .destructor = afs_cm_destructor, .work = SRXAFSCB_InitCallBackState, @@ -58,9 +52,8 @@ static const struct afs_call_type afs_SRXCBInitCallBackState = { /* * CB.InitCallBackState3 operation type */ -static CM_NAME(InitCallBackState3); static const struct afs_call_type afs_SRXCBInitCallBackState3 = { - .name = afs_SRXCBInitCallBackState3_name, + .name = "CB.InitCallBackState3", .deliver = afs_deliver_cb_init_call_back_state3, .destructor = afs_cm_destructor, .work = SRXAFSCB_InitCallBackState, @@ -69,9 +62,8 @@ static const struct afs_call_type afs_SRXCBInitCallBackState3 = { /* * CB.Probe operation type */ -static CM_NAME(Probe); static const struct afs_call_type afs_SRXCBProbe = { - .name = afs_SRXCBProbe_name, + .name = "CB.Probe", .deliver = afs_deliver_cb_probe, .destructor = afs_cm_destructor, .work = SRXAFSCB_Probe, @@ -80,9 +72,8 @@ static const struct afs_call_type afs_SRXCBProbe = { /* * CB.ProbeUuid operation type */ -static CM_NAME(ProbeUuid); static const struct afs_call_type afs_SRXCBProbeUuid = { - .name = afs_SRXCBProbeUuid_name, + .name = "CB.ProbeUuid", .deliver = afs_deliver_cb_probe_uuid, .destructor = afs_cm_destructor, .work = SRXAFSCB_ProbeUuid, @@ -91,9 +82,8 @@ static const struct afs_call_type afs_SRXCBProbeUuid = { /* * CB.TellMeAboutYourself operation type */ -static CM_NAME(TellMeAboutYourself); static const struct afs_call_type afs_SRXCBTellMeAboutYourself = { - .name = afs_SRXCBTellMeAboutYourself_name, + .name = "CB.TellMeAboutYourself", .deliver = afs_deliver_cb_tell_me_about_yourself, .destructor = afs_cm_destructor, .work = SRXAFSCB_TellMeAboutYourself, @@ -102,9 +92,8 @@ static const struct afs_call_type afs_SRXCBTellMeAboutYourself = { /* * YFS CB.CallBack operation type */ -static CM_NAME(YFS_CallBack); static const struct afs_call_type afs_SRXYFSCB_CallBack = { - .name = afs_SRXCBYFS_CallBack_name, + .name = "YFSCB.CallBack", .deliver = afs_deliver_yfs_cb_callback, .destructor = afs_cm_destructor, .work = SRXAFSCB_CallBack, diff --git a/fs/afs/dir.c b/fs/afs/dir.c index 78719f2f567e..ac829e63c570 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -656,7 +656,6 @@ static int afs_do_lookup_one(struct inode *dir, struct dentry *dentry, return ret; } - ret = -ENOENT; if (!cookie.found) { _leave(" = -ENOENT [not found]"); return -ENOENT; @@ -2020,17 +2019,20 @@ static int afs_rename(struct user_namespace *mnt_userns, struct inode *old_dir, if (d_count(new_dentry) > 2) { /* copy the target dentry's name */ - ret = -ENOMEM; op->rename.tmp = d_alloc(new_dentry->d_parent, &new_dentry->d_name); - if (!op->rename.tmp) + if (!op->rename.tmp) { + op->error = -ENOMEM; goto error; + } ret = afs_sillyrename(new_dvnode, AFS_FS_I(d_inode(new_dentry)), new_dentry, op->key); - if (ret) + if (ret) { + op->error = ret; goto error; + } op->dentry_2 = op->rename.tmp; op->rename.rehash = NULL; diff --git a/fs/afs/write.c b/fs/afs/write.c index 3104b62c2082..c0534697268e 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -771,14 +771,20 @@ int afs_writepages(struct address_space *mapping, if (wbc->range_cyclic) { start = mapping->writeback_index * PAGE_SIZE; ret = afs_writepages_region(mapping, wbc, start, LLONG_MAX, &next); - if (start > 0 && wbc->nr_to_write > 0 && ret == 0) - ret = afs_writepages_region(mapping, wbc, 0, start, - &next); - mapping->writeback_index = next / PAGE_SIZE; + if (ret == 0) { + mapping->writeback_index = next / PAGE_SIZE; + if (start > 0 && wbc->nr_to_write > 0) { + ret = afs_writepages_region(mapping, wbc, 0, + start, &next); + if (ret == 0) + mapping->writeback_index = + next / PAGE_SIZE; + } + } } else if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) { ret = afs_writepages_region(mapping, wbc, 0, LLONG_MAX, &next); - if (wbc->nr_to_write > 0) - mapping->writeback_index = next; + if (wbc->nr_to_write > 0 && ret == 0) + mapping->writeback_index = next / PAGE_SIZE; } else { ret = afs_writepages_region(mapping, wbc, wbc->range_start, wbc->range_end, &next); diff --git a/fs/binfmt_em86.c b/fs/binfmt_em86.c deleted file mode 100644 index 06b9b9fddf70..000000000000 --- a/fs/binfmt_em86.c +++ /dev/null @@ -1,110 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/fs/binfmt_em86.c - * - * Based on linux/fs/binfmt_script.c - * Copyright (C) 1996 Martin von Löwis - * original #!-checking implemented by tytso. - * - * em86 changes Copyright (C) 1997 Jim Paradis - */ - -#include <linux/module.h> -#include <linux/string.h> -#include <linux/stat.h> -#include <linux/binfmts.h> -#include <linux/elf.h> -#include <linux/init.h> -#include <linux/fs.h> -#include <linux/file.h> -#include <linux/errno.h> - - -#define EM86_INTERP "/usr/bin/em86" -#define EM86_I_NAME "em86" - -static int load_em86(struct linux_binprm *bprm) -{ - const char *i_name, *i_arg; - char *interp; - struct file * file; - int retval; - struct elfhdr elf_ex; - - /* Make sure this is a Linux/Intel ELF executable... */ - elf_ex = *((struct elfhdr *)bprm->buf); - - if (memcmp(elf_ex.e_ident, ELFMAG, SELFMAG) != 0) - return -ENOEXEC; - - /* First of all, some simple consistency checks */ - if ((elf_ex.e_type != ET_EXEC && elf_ex.e_type != ET_DYN) || - (!((elf_ex.e_machine == EM_386) || (elf_ex.e_machine == EM_486))) || - !bprm->file->f_op->mmap) { - return -ENOEXEC; - } - - /* Need to be able to load the file after exec */ - if (bprm->interp_flags & BINPRM_FLAGS_PATH_INACCESSIBLE) - return -ENOENT; - - /* Unlike in the script case, we don't have to do any hairy - * parsing to find our interpreter... it's hardcoded! - */ - interp = EM86_INTERP; - i_name = EM86_I_NAME; - i_arg = NULL; /* We reserve the right to add an arg later */ - - /* - * Splice in (1) the interpreter's name for argv[0] - * (2) (optional) argument to interpreter - * (3) filename of emulated file (replace argv[0]) - * - * This is done in reverse order, because of how the - * user environment and arguments are stored. - */ - remove_arg_zero(bprm); - retval = copy_string_kernel(bprm->filename, bprm); - if (retval < 0) return retval; - bprm->argc++; - if (i_arg) { - retval = copy_string_kernel(i_arg, bprm); - if (retval < 0) return retval; - bprm->argc++; - } - retval = copy_string_kernel(i_name, bprm); - if (retval < 0) return retval; - bprm->argc++; - - /* - * OK, now restart the process with the interpreter's inode. - * Note that we use open_exec() as the name is now in kernel - * space, and we don't need to copy it. - */ - file = open_exec(interp); - if (IS_ERR(file)) - return PTR_ERR(file); - - bprm->interpreter = file; - return 0; -} - -static struct linux_binfmt em86_format = { - .module = THIS_MODULE, - .load_binary = load_em86, -}; - -static int __init init_em86_binfmt(void) -{ - register_binfmt(&em86_format); - return 0; -} - -static void __exit exit_em86_binfmt(void) -{ - unregister_binfmt(&em86_format); -} - -core_initcall(init_em86_binfmt); -module_exit(exit_em86_binfmt); -MODULE_LICENSE("GPL"); diff --git a/fs/block_dev.c b/fs/block_dev.c index 0c424a0cadaa..9ef4f1fc2cb0 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -812,6 +812,8 @@ static void bdev_free_inode(struct inode *inode) free_percpu(bdev->bd_stats); kfree(bdev->bd_meta_info); + if (!bdev_is_partition(bdev)) + kfree(bdev->bd_disk); kmem_cache_free(bdev_cachep, BDEV_I(inode)); } diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 7a8a2fc19533..78b202d198b8 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -1488,15 +1488,15 @@ static int btrfs_find_all_roots_safe(struct btrfs_trans_handle *trans, int btrfs_find_all_roots(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 bytenr, u64 time_seq, struct ulist **roots, - bool ignore_offset) + bool ignore_offset, bool skip_commit_root_sem) { int ret; - if (!trans) + if (!trans && !skip_commit_root_sem) down_read(&fs_info->commit_root_sem); ret = btrfs_find_all_roots_safe(trans, fs_info, bytenr, time_seq, roots, ignore_offset); - if (!trans) + if (!trans && !skip_commit_root_sem) up_read(&fs_info->commit_root_sem); return ret; } diff --git a/fs/btrfs/backref.h b/fs/btrfs/backref.h index 17abde7f794c..ff5f07f9940b 100644 --- a/fs/btrfs/backref.h +++ b/fs/btrfs/backref.h @@ -47,7 +47,8 @@ int btrfs_find_all_leafs(struct btrfs_trans_handle *trans, const u64 *extent_item_pos, bool ignore_offset); int btrfs_find_all_roots(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 bytenr, - u64 time_seq, struct ulist **roots, bool ignore_offset); + u64 time_seq, struct ulist **roots, bool ignore_offset, + bool skip_commit_root_sem); char *btrfs_ref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path, u32 name_len, unsigned long name_off, struct extent_buffer *eb_in, u64 parent, diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 9a023ae0f98b..30d82cdf128c 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -352,7 +352,7 @@ static void end_compressed_bio_write(struct bio *bio) btrfs_record_physical_zoned(inode, cb->start, bio); btrfs_writepage_endio_finish_ordered(BTRFS_I(inode), NULL, cb->start, cb->start + cb->len - 1, - bio->bi_status == BLK_STS_OK); + !cb->errors); end_compressed_writeback(inode, cb); /* note, our inode could be gone now */ diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c index 06bc842ecdb3..ca848b183474 100644 --- a/fs/btrfs/delayed-ref.c +++ b/fs/btrfs/delayed-ref.c @@ -974,7 +974,7 @@ int btrfs_add_delayed_tree_ref(struct btrfs_trans_handle *trans, kmem_cache_free(btrfs_delayed_tree_ref_cachep, ref); if (qrecord_inserted) - btrfs_qgroup_trace_extent_post(fs_info, record); + btrfs_qgroup_trace_extent_post(trans, record); return 0; } @@ -1069,7 +1069,7 @@ int btrfs_add_delayed_data_ref(struct btrfs_trans_handle *trans, if (qrecord_inserted) - return btrfs_qgroup_trace_extent_post(fs_info, record); + return btrfs_qgroup_trace_extent_post(trans, record); return 0; } diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index b117dd3b8172..a59ab7b9aea0 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -209,7 +209,7 @@ void btrfs_set_buffer_lockdep_class(u64 objectid, struct extent_buffer *eb, static void csum_tree_block(struct extent_buffer *buf, u8 *result) { struct btrfs_fs_info *fs_info = buf->fs_info; - const int num_pages = fs_info->nodesize >> PAGE_SHIFT; + const int num_pages = num_extent_pages(buf); const int first_page_part = min_t(u32, PAGE_SIZE, fs_info->nodesize); SHASH_DESC_ON_STACK(shash, fs_info->csum_shash); char *kaddr; diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index d296483d148f..268ce58d4569 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -6019,6 +6019,9 @@ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range) mutex_lock(&fs_info->fs_devices->device_list_mutex); devices = &fs_info->fs_devices->devices; list_for_each_entry(device, devices, dev_list) { + if (test_bit(BTRFS_DEV_STATE_MISSING, &device->dev_state)) + continue; + ret = btrfs_trim_free_extents(device, &group_trimmed); if (ret) { dev_failed++; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 8f60314c36c5..0117d867ecf8 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -2992,7 +2992,7 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent) goto out; } - if (ordered_extent->disk) + if (ordered_extent->bdev) btrfs_rewrite_logical_zoned(ordered_extent); btrfs_free_io_failure_record(inode, start, end); diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 6eb41b7c0c84..5c0f8481e25e 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -190,8 +190,6 @@ static int __btrfs_add_ordered_extent(struct btrfs_inode *inode, u64 file_offset entry->truncated_len = (u64)-1; entry->qgroup_rsv = ret; entry->physical = (u64)-1; - entry->disk = NULL; - entry->partno = (u8)-1; ASSERT(type == BTRFS_ORDERED_REGULAR || type == BTRFS_ORDERED_NOCOW || diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h index 566472004edd..b2d88aba8420 100644 --- a/fs/btrfs/ordered-data.h +++ b/fs/btrfs/ordered-data.h @@ -145,8 +145,7 @@ struct btrfs_ordered_extent { * command in a workqueue context */ u64 physical; - struct gendisk *disk; - u8 partno; + struct block_device *bdev; }; /* diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 07ec06d4e972..0fa121171ca1 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1704,17 +1704,39 @@ int btrfs_qgroup_trace_extent_nolock(struct btrfs_fs_info *fs_info, return 0; } -int btrfs_qgroup_trace_extent_post(struct btrfs_fs_info *fs_info, +int btrfs_qgroup_trace_extent_post(struct btrfs_trans_handle *trans, struct btrfs_qgroup_extent_record *qrecord) { struct ulist *old_root; u64 bytenr = qrecord->bytenr; int ret; - ret = btrfs_find_all_roots(NULL, fs_info, bytenr, 0, &old_root, false); + /* + * We are always called in a context where we are already holding a + * transaction handle. Often we are called when adding a data delayed + * reference from btrfs_truncate_inode_items() (truncating or unlinking), + * in which case we will be holding a write lock on extent buffer from a + * subvolume tree. In this case we can't allow btrfs_find_all_roots() to + * acquire fs_info->commit_root_sem, because that is a higher level lock + * that must be acquired before locking any extent buffers. + * + * So we want btrfs_find_all_roots() to not acquire the commit_root_sem + * but we can't pass it a non-NULL transaction handle, because otherwise + * it would not use commit roots and would lock extent buffers, causing + * a deadlock if it ends up trying to read lock the same extent buffer + * that was previously write locked at btrfs_truncate_inode_items(). + * + * So pass a NULL transaction handle to btrfs_find_all_roots() and + * explicitly tell it to not acquire the commit_root_sem - if we are + * holding a transaction handle we don't need its protection. + */ + ASSERT(trans != NULL); + + ret = btrfs_find_all_roots(NULL, trans->fs_info, bytenr, 0, &old_root, + false, true); if (ret < 0) { - fs_info->qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT; - btrfs_warn(fs_info, + trans->fs_info->qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT; + btrfs_warn(trans->fs_info, "error accounting new delayed refs extent (err code: %d), quota inconsistent", ret); return 0; @@ -1758,7 +1780,7 @@ int btrfs_qgroup_trace_extent(struct btrfs_trans_handle *trans, u64 bytenr, kfree(record); return 0; } - return btrfs_qgroup_trace_extent_post(fs_info, record); + return btrfs_qgroup_trace_extent_post(trans, record); } int btrfs_qgroup_trace_leaf_items(struct btrfs_trans_handle *trans, @@ -2629,7 +2651,7 @@ int btrfs_qgroup_account_extents(struct btrfs_trans_handle *trans) /* Search commit root to find old_roots */ ret = btrfs_find_all_roots(NULL, fs_info, record->bytenr, 0, - &record->old_roots, false); + &record->old_roots, false, false); if (ret < 0) goto cleanup; } @@ -2645,7 +2667,7 @@ int btrfs_qgroup_account_extents(struct btrfs_trans_handle *trans) * current root. It's safe inside commit_transaction(). */ ret = btrfs_find_all_roots(trans, fs_info, - record->bytenr, BTRFS_SEQ_LAST, &new_roots, false); + record->bytenr, BTRFS_SEQ_LAST, &new_roots, false, false); if (ret < 0) goto cleanup; if (qgroup_to_skip) { @@ -3179,7 +3201,7 @@ static int qgroup_rescan_leaf(struct btrfs_trans_handle *trans, num_bytes = found.offset; ret = btrfs_find_all_roots(NULL, fs_info, found.objectid, 0, - &roots, false); + &roots, false, false); if (ret < 0) goto out; /* For rescan, just pass old_roots as NULL */ diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h index 7283e4f549af..880e9df0dac1 100644 --- a/fs/btrfs/qgroup.h +++ b/fs/btrfs/qgroup.h @@ -298,7 +298,7 @@ int btrfs_qgroup_trace_extent_nolock( * using current root, then we can move all expensive backref walk out of * transaction committing, but not now as qgroup accounting will be wrong again. */ -int btrfs_qgroup_trace_extent_post(struct btrfs_fs_info *fs_info, +int btrfs_qgroup_trace_extent_post(struct btrfs_trans_handle *trans, struct btrfs_qgroup_extent_record *qrecord); /* diff --git a/fs/btrfs/tests/qgroup-tests.c b/fs/btrfs/tests/qgroup-tests.c index f3137285a9e2..98b5aaba46f1 100644 --- a/fs/btrfs/tests/qgroup-tests.c +++ b/fs/btrfs/tests/qgroup-tests.c @@ -224,7 +224,7 @@ static int test_no_shared_qgroup(struct btrfs_root *root, * quota. */ ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &old_roots, - false); + false, false); if (ret) { ulist_free(old_roots); test_err("couldn't find old roots: %d", ret); @@ -237,7 +237,7 @@ static int test_no_shared_qgroup(struct btrfs_root *root, return ret; ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &new_roots, - false); + false, false); if (ret) { ulist_free(old_roots); ulist_free(new_roots); @@ -261,7 +261,7 @@ static int test_no_shared_qgroup(struct btrfs_root *root, new_roots = NULL; ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &old_roots, - false); + false, false); if (ret) { ulist_free(old_roots); test_err("couldn't find old roots: %d", ret); @@ -273,7 +273,7 @@ static int test_no_shared_qgroup(struct btrfs_root *root, return -EINVAL; ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &new_roots, - false); + false, false); if (ret) { ulist_free(old_roots); ulist_free(new_roots); @@ -325,7 +325,7 @@ static int test_multiple_refs(struct btrfs_root *root, } ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &old_roots, - false); + false, false); if (ret) { ulist_free(old_roots); test_err("couldn't find old roots: %d", ret); @@ -338,7 +338,7 @@ static int test_multiple_refs(struct btrfs_root *root, return ret; ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &new_roots, - false); + false, false); if (ret) { ulist_free(old_roots); ulist_free(new_roots); @@ -360,7 +360,7 @@ static int test_multiple_refs(struct btrfs_root *root, } ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &old_roots, - false); + false, false); if (ret) { ulist_free(old_roots); test_err("couldn't find old roots: %d", ret); @@ -373,7 +373,7 @@ static int test_multiple_refs(struct btrfs_root *root, return ret; ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &new_roots, - false); + false, false); if (ret) { ulist_free(old_roots); ulist_free(new_roots); @@ -401,7 +401,7 @@ static int test_multiple_refs(struct btrfs_root *root, } ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &old_roots, - false); + false, false); if (ret) { ulist_free(old_roots); test_err("couldn't find old roots: %d", ret); @@ -414,7 +414,7 @@ static int test_multiple_refs(struct btrfs_root *root, return ret; ret = btrfs_find_all_roots(&trans, fs_info, nodesize, 0, &new_roots, - false); + false, false); if (ret) { ulist_free(old_roots); ulist_free(new_roots); diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index dc6eb088d73e..e6430ac9bbe8 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -5526,16 +5526,29 @@ log_extents: spin_lock(&inode->lock); inode->logged_trans = trans->transid; /* - * Don't update last_log_commit if we logged that an inode exists - * after it was loaded to memory (full_sync bit set). - * This is to prevent data loss when we do a write to the inode, - * then the inode gets evicted after all delalloc was flushed, - * then we log it exists (due to a rename for example) and then - * fsync it. This last fsync would do nothing (not logging the - * extents previously written). + * Don't update last_log_commit if we logged that an inode exists. + * We do this for two reasons: + * + * 1) We might have had buffered writes to this inode that were + * flushed and had their ordered extents completed in this + * transaction, but we did not previously log the inode with + * LOG_INODE_ALL. Later the inode was evicted and after that + * it was loaded again and this LOG_INODE_EXISTS log operation + * happened. We must make sure that if an explicit fsync against + * the inode is performed later, it logs the new extents, an + * updated inode item, etc, and syncs the log. The same logic + * applies to direct IO writes instead of buffered writes. + * + * 2) When we log the inode with LOG_INODE_EXISTS, its inode item + * is logged with an i_size of 0 or whatever value was logged + * before. If later the i_size of the inode is increased by a + * truncate operation, the log is synced through an fsync of + * some other inode and then finally an explicit fsync against + * this inode is made, we must make sure this fsync logs the + * inode with the new i_size, the hole between old i_size and + * the new i_size, and syncs the log. */ - if (inode_only != LOG_INODE_EXISTS || - !test_bit(BTRFS_INODE_NEEDS_FULL_SYNC, &inode->runtime_flags)) + if (inode_only != LOG_INODE_EXISTS) inode->last_log_commit = inode->last_sub_trans; spin_unlock(&inode->lock); } @@ -6490,8 +6503,8 @@ void btrfs_log_new_name(struct btrfs_trans_handle *trans, * if this inode hasn't been logged and directory we're renaming it * from hasn't been logged, we don't need to log it */ - if (inode->logged_trans < trans->transid && - (!old_dir || old_dir->logged_trans < trans->transid)) + if (!inode_logged(trans, inode) && + (!old_dir || !inode_logged(trans, old_dir))) return; /* diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 1e4d43ffe38b..70f94b75f25a 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1078,6 +1078,7 @@ static void __btrfs_free_extra_devids(struct btrfs_fs_devices *fs_devices, if (test_bit(BTRFS_DEV_STATE_WRITEABLE, &device->dev_state)) { list_del_init(&device->dev_alloc_list); clear_bit(BTRFS_DEV_STATE_WRITEABLE, &device->dev_state); + fs_devices->rw_devices--; } list_del_init(&device->dev_list); fs_devices->num_devices--; diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 297c0b1c0634..907c2cc45c9c 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -1349,8 +1349,7 @@ void btrfs_record_physical_zoned(struct inode *inode, u64 file_offset, return; ordered->physical = physical; - ordered->disk = bio->bi_bdev->bd_disk; - ordered->partno = bio->bi_bdev->bd_partno; + ordered->bdev = bio->bi_bdev; btrfs_put_ordered_extent(ordered); } @@ -1362,18 +1361,16 @@ void btrfs_rewrite_logical_zoned(struct btrfs_ordered_extent *ordered) struct extent_map_tree *em_tree; struct extent_map *em; struct btrfs_ordered_sum *sum; - struct block_device *bdev; u64 orig_logical = ordered->disk_bytenr; u64 *logical = NULL; int nr, stripe_len; /* Zoned devices should not have partitions. So, we can assume it is 0 */ - ASSERT(ordered->partno == 0); - bdev = bdgrab(ordered->disk->part0); - if (WARN_ON(!bdev)) + ASSERT(!bdev_is_partition(ordered->bdev)); + if (WARN_ON(!ordered->bdev)) return; - if (WARN_ON(btrfs_rmap_block(fs_info, orig_logical, bdev, + if (WARN_ON(btrfs_rmap_block(fs_info, orig_logical, ordered->bdev, ordered->physical, &logical, &nr, &stripe_len))) goto out; @@ -1402,7 +1399,6 @@ void btrfs_rewrite_logical_zoned(struct btrfs_ordered_extent *ordered) out: kfree(logical); - bdput(bdev); } bool btrfs_check_meta_write_pointer(struct btrfs_fs_info *fs_info, diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index a818213c972f..9db1b39df773 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -4456,7 +4456,7 @@ bool check_session_state(struct ceph_mds_session *s) break; case CEPH_MDS_SESSION_CLOSING: /* Should never reach this when we're unmounting */ - WARN_ON_ONCE(true); + WARN_ON_ONCE(s->s_ttl); fallthrough; case CEPH_MDS_SESSION_NEW: case CEPH_MDS_SESSION_RESTARTING: diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index f72e3b3dca69..65d1a65bfc37 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -873,8 +873,11 @@ PsxDelete: InformationLevel) - 4; offset = param_offset + params; - /* Setup pointer to Request Data (inode type) */ - pRqD = (struct unlink_psx_rq *)(((char *)&pSMB->hdr.Protocol) + offset); + /* Setup pointer to Request Data (inode type). + * Note that SMB offsets are from the beginning of SMB which is 4 bytes + * in, after RFC1001 field + */ + pRqD = (struct unlink_psx_rq *)((char *)(pSMB) + offset + 4); pRqD->type = cpu_to_le16(type); pSMB->ParameterOffset = cpu_to_le16(param_offset); pSMB->DataOffset = cpu_to_le16(offset); @@ -1081,7 +1084,8 @@ PsxCreat: param_offset = offsetof(struct smb_com_transaction2_spi_req, InformationLevel) - 4; offset = param_offset + params; - pdata = (OPEN_PSX_REQ *)(((char *)&pSMB->hdr.Protocol) + offset); + /* SMB offsets are from the beginning of SMB which is 4 bytes in, after RFC1001 field */ + pdata = (OPEN_PSX_REQ *)((char *)(pSMB) + offset + 4); pdata->Level = cpu_to_le16(SMB_QUERY_FILE_UNIX_BASIC); pdata->Permissions = cpu_to_le64(mode); pdata->PosixOpenFlags = cpu_to_le32(posix_flags); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 1b04d6ec14dd..3781eee9360a 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -220,7 +220,7 @@ cifs_reconnect(struct TCP_Server_Info *server) #ifdef CONFIG_CIFS_DFS_UPCALL struct super_block *sb = NULL; struct cifs_sb_info *cifs_sb = NULL; - struct dfs_cache_tgt_list tgt_list = {0}; + struct dfs_cache_tgt_list tgt_list = DFS_CACHE_TGT_LIST_INIT(tgt_list); struct dfs_cache_tgt_iterator *tgt_it = NULL; #endif @@ -3130,7 +3130,7 @@ static int do_dfs_failover(const char *path, const char *full_path, struct cifs_ { int rc; char *npath = NULL; - struct dfs_cache_tgt_list tgt_list = {0}; + struct dfs_cache_tgt_list tgt_list = DFS_CACHE_TGT_LIST_INIT(tgt_list); struct dfs_cache_tgt_iterator *tgt_it = NULL; struct smb3_fs_context tmp_ctx = {NULL}; diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c index 7c1769714609..283745592844 100644 --- a/fs/cifs/dfs_cache.c +++ b/fs/cifs/dfs_cache.c @@ -19,6 +19,7 @@ #include "cifs_debug.h" #include "cifs_unicode.h" #include "smb2glob.h" +#include "dns_resolve.h" #include "dfs_cache.h" @@ -911,6 +912,7 @@ static int get_targets(struct cache_entry *ce, struct dfs_cache_tgt_list *tl) err_free_it: list_for_each_entry_safe(it, nit, head, it_list) { + list_del(&it->it_list); kfree(it->it_name); kfree(it); } @@ -1293,6 +1295,194 @@ int dfs_cache_get_tgt_share(char *path, const struct dfs_cache_tgt_iterator *it, return 0; } +static bool target_share_equal(struct TCP_Server_Info *server, const char *s1, const char *s2) +{ + char unc[sizeof("\\\\") + SERVER_NAME_LENGTH] = {0}; + const char *host; + size_t hostlen; + char *ip = NULL; + struct sockaddr sa; + bool match; + int rc; + + if (strcasecmp(s1, s2)) + return false; + + /* + * Resolve share's hostname and check if server address matches. Otherwise just ignore it + * as we could not have upcall to resolve hostname or failed to convert ip address. + */ + match = true; + extract_unc_hostname(s1, &host, &hostlen); + scnprintf(unc, sizeof(unc), "\\\\%.*s", (int)hostlen, host); + + rc = dns_resolve_server_name_to_ip(unc, &ip, NULL); + if (rc < 0) { + cifs_dbg(FYI, "%s: could not resolve %.*s. assuming server address matches.\n", + __func__, (int)hostlen, host); + return true; + } + + if (!cifs_convert_address(&sa, ip, strlen(ip))) { + cifs_dbg(VFS, "%s: failed to convert address \'%s\'. skip address matching.\n", + __func__, ip); + } else { + mutex_lock(&server->srv_mutex); + match = cifs_match_ipaddr((struct sockaddr *)&server->dstaddr, &sa); + mutex_unlock(&server->srv_mutex); + } + + kfree(ip); + return match; +} + +/* + * Mark dfs tcon for reconnecting when the currently connected tcon does not match any of the new + * target shares in @refs. + */ +static void mark_for_reconnect_if_needed(struct cifs_tcon *tcon, struct dfs_cache_tgt_list *tl, + const struct dfs_info3_param *refs, int numrefs) +{ + struct dfs_cache_tgt_iterator *it; + int i; + + for (it = dfs_cache_get_tgt_iterator(tl); it; it = dfs_cache_get_next_tgt(tl, it)) { + for (i = 0; i < numrefs; i++) { + if (target_share_equal(tcon->ses->server, dfs_cache_get_tgt_name(it), + refs[i].node_name)) + return; + } + } + + cifs_dbg(FYI, "%s: no cached or matched targets. mark dfs share for reconnect.\n", __func__); + for (i = 0; i < tcon->ses->chan_count; i++) { + spin_lock(&GlobalMid_Lock); + if (tcon->ses->chans[i].server->tcpStatus != CifsExiting) + tcon->ses->chans[i].server->tcpStatus = CifsNeedReconnect; + spin_unlock(&GlobalMid_Lock); + } +} + +/* Refresh dfs referral of tcon and mark it for reconnect if needed */ +static int refresh_tcon(struct cifs_ses **sessions, struct cifs_tcon *tcon, bool force_refresh) +{ + const char *path = tcon->dfs_path + 1; + struct cifs_ses *ses; + struct cache_entry *ce; + struct dfs_info3_param *refs = NULL; + int numrefs = 0; + bool needs_refresh = false; + struct dfs_cache_tgt_list tl = DFS_CACHE_TGT_LIST_INIT(tl); + int rc = 0; + unsigned int xid; + + ses = find_ipc_from_server_path(sessions, path); + if (IS_ERR(ses)) { + cifs_dbg(FYI, "%s: could not find ipc session\n", __func__); + return PTR_ERR(ses); + } + + down_read(&htable_rw_lock); + ce = lookup_cache_entry(path); + needs_refresh = force_refresh || IS_ERR(ce) || cache_entry_expired(ce); + if (!IS_ERR(ce)) { + rc = get_targets(ce, &tl); + if (rc) + cifs_dbg(FYI, "%s: could not get dfs targets: %d\n", __func__, rc); + } + up_read(&htable_rw_lock); + + if (!needs_refresh) { + rc = 0; + goto out; + } + + xid = get_xid(); + rc = get_dfs_referral(xid, ses, path, &refs, &numrefs); + free_xid(xid); + + /* Create or update a cache entry with the new referral */ + if (!rc) { + dump_refs(refs, numrefs); + + down_write(&htable_rw_lock); + ce = lookup_cache_entry(path); + if (IS_ERR(ce)) + add_cache_entry_locked(refs, numrefs); + else if (force_refresh || cache_entry_expired(ce)) + update_cache_entry_locked(ce, refs, numrefs); + up_write(&htable_rw_lock); + + mark_for_reconnect_if_needed(tcon, &tl, refs, numrefs); + } + +out: + dfs_cache_free_tgts(&tl); + free_dfs_info_array(refs, numrefs); + return rc; +} + +/** + * dfs_cache_remount_fs - remount a DFS share + * + * Reconfigure dfs mount by forcing a new DFS referral and if the currently cached targets do not + * match any of the new targets, mark it for reconnect. + * + * @cifs_sb: cifs superblock. + * + * Return zero if remounted, otherwise non-zero. + */ +int dfs_cache_remount_fs(struct cifs_sb_info *cifs_sb) +{ + struct cifs_tcon *tcon; + struct mount_group *mg; + struct cifs_ses *sessions[CACHE_MAX_ENTRIES + 1] = {NULL}; + int rc; + + if (!cifs_sb || !cifs_sb->master_tlink) + return -EINVAL; + + tcon = cifs_sb_master_tcon(cifs_sb); + if (!tcon->dfs_path) { + cifs_dbg(FYI, "%s: not a dfs tcon\n", __func__); + return 0; + } + + if (uuid_is_null(&cifs_sb->dfs_mount_id)) { + cifs_dbg(FYI, "%s: tcon has no dfs mount group id\n", __func__); + return -EINVAL; + } + + mutex_lock(&mount_group_list_lock); + mg = find_mount_group_locked(&cifs_sb->dfs_mount_id); + if (IS_ERR(mg)) { + mutex_unlock(&mount_group_list_lock); + cifs_dbg(FYI, "%s: tcon has ipc session to refresh referral\n", __func__); + return PTR_ERR(mg); + } + kref_get(&mg->refcount); + mutex_unlock(&mount_group_list_lock); + + spin_lock(&mg->lock); + memcpy(&sessions, mg->sessions, mg->num_sessions * sizeof(mg->sessions[0])); + spin_unlock(&mg->lock); + + /* + * After reconnecting to a different server, unique ids won't match anymore, so we disable + * serverino. This prevents dentry revalidation to think the dentry are stale (ESTALE). + */ + cifs_autodisable_serverino(cifs_sb); + /* + * Force the use of prefix path to support failover on DFS paths that resolve to targets + * that have different prefix paths. + */ + cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_USE_PREFIX_PATH; + rc = refresh_tcon(sessions, tcon, true); + + kref_put(&mg->refcount, mount_group_release); + return rc; +} + /* * Refresh all active dfs mounts regardless of whether they are in cache or not. * (cache can be cleared) @@ -1303,7 +1493,6 @@ static void refresh_mounts(struct cifs_ses **sessions) struct cifs_ses *ses; struct cifs_tcon *tcon, *ntcon; struct list_head tcons; - unsigned int xid; INIT_LIST_HEAD(&tcons); @@ -1321,44 +1510,8 @@ static void refresh_mounts(struct cifs_ses **sessions) spin_unlock(&cifs_tcp_ses_lock); list_for_each_entry_safe(tcon, ntcon, &tcons, ulist) { - const char *path = tcon->dfs_path + 1; - struct cache_entry *ce; - struct dfs_info3_param *refs = NULL; - int numrefs = 0; - bool needs_refresh = false; - int rc = 0; - list_del_init(&tcon->ulist); - - ses = find_ipc_from_server_path(sessions, path); - if (IS_ERR(ses)) - goto next_tcon; - - down_read(&htable_rw_lock); - ce = lookup_cache_entry(path); - needs_refresh = IS_ERR(ce) || cache_entry_expired(ce); - up_read(&htable_rw_lock); - - if (!needs_refresh) - goto next_tcon; - - xid = get_xid(); - rc = get_dfs_referral(xid, ses, path, &refs, &numrefs); - free_xid(xid); - - /* Create or update a cache entry with the new referral */ - if (!rc) { - down_write(&htable_rw_lock); - ce = lookup_cache_entry(path); - if (IS_ERR(ce)) - add_cache_entry_locked(refs, numrefs); - else if (cache_entry_expired(ce)) - update_cache_entry_locked(ce, refs, numrefs); - up_write(&htable_rw_lock); - } - -next_tcon: - free_dfs_info_array(refs, numrefs); + refresh_tcon(sessions, tcon, false); cifs_put_tcon(tcon); } } diff --git a/fs/cifs/dfs_cache.h b/fs/cifs/dfs_cache.h index b29d3ae64829..52070d1df189 100644 --- a/fs/cifs/dfs_cache.h +++ b/fs/cifs/dfs_cache.h @@ -13,6 +13,8 @@ #include <linux/uuid.h> #include "cifsglob.h" +#define DFS_CACHE_TGT_LIST_INIT(var) { .tl_numtgts = 0, .tl_list = LIST_HEAD_INIT((var).tl_list), } + struct dfs_cache_tgt_list { int tl_numtgts; struct list_head tl_list; @@ -44,6 +46,7 @@ int dfs_cache_get_tgt_share(char *path, const struct dfs_cache_tgt_iterator *it, void dfs_cache_put_refsrv_sessions(const uuid_t *mount_id); void dfs_cache_add_refsrv_session(const uuid_t *mount_id, struct cifs_ses *ses); char *dfs_cache_canonical_path(const char *path, const struct nls_table *cp, int remap); +int dfs_cache_remount_fs(struct cifs_sb_info *cifs_sb); static inline struct dfs_cache_tgt_iterator * dfs_cache_get_next_tgt(struct dfs_cache_tgt_list *tl, diff --git a/fs/cifs/file.c b/fs/cifs/file.c index cd108607a070..0a72840a88f1 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -4619,7 +4619,7 @@ read_complete: static int cifs_readpage(struct file *file, struct page *page) { - loff_t offset = (loff_t)page->index << PAGE_SHIFT; + loff_t offset = page_file_offset(page); int rc = -EACCES; unsigned int xid; diff --git a/fs/cifs/fs_context.c b/fs/cifs/fs_context.c index 553adfbcc22a..eed59bc1d913 100644 --- a/fs/cifs/fs_context.c +++ b/fs/cifs/fs_context.c @@ -13,6 +13,9 @@ #include <linux/magic.h> #include <linux/security.h> #include <net/net_namespace.h> +#ifdef CONFIG_CIFS_DFS_UPCALL +#include "dfs_cache.h" +#endif */ #include <linux/ctype.h> @@ -779,6 +782,10 @@ static int smb3_reconfigure(struct fs_context *fc) smb3_cleanup_fs_context_contents(cifs_sb->ctx); rc = smb3_fs_context_dup(cifs_sb->ctx, ctx); smb3_update_mnt_flags(cifs_sb); +#ifdef CONFIG_CIFS_DFS_UPCALL + if (!rc) + rc = dfs_cache_remount_fs(cifs_sb); +#endif return rc; } @@ -918,6 +925,13 @@ static int smb3_fs_context_parse_param(struct fs_context *fc, ctx->cred_uid = uid; ctx->cruid_specified = true; break; + case Opt_backupuid: + uid = make_kuid(current_user_ns(), result.uint_32); + if (!uid_valid(uid)) + goto cifs_parse_mount_err; + ctx->backupuid = uid; + ctx->backupuid_specified = true; + break; case Opt_backupgid: gid = make_kgid(current_user_ns(), result.uint_32); if (!gid_valid(gid)) diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index ba3c58e1f725..2dfd0d8297eb 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -3618,6 +3618,7 @@ static int smb3_simple_fallocate_write_range(unsigned int xid, { struct cifs_io_parms io_parms = {0}; int nbytes; + int rc = 0; struct kvec iov[2]; io_parms.netfid = cfile->fid.netfid; @@ -3625,13 +3626,25 @@ static int smb3_simple_fallocate_write_range(unsigned int xid, io_parms.tcon = tcon; io_parms.persistent_fid = cfile->fid.persistent_fid; io_parms.volatile_fid = cfile->fid.volatile_fid; - io_parms.offset = off; - io_parms.length = len; - /* iov[0] is reserved for smb header */ - iov[1].iov_base = buf; - iov[1].iov_len = io_parms.length; - return SMB2_write(xid, &io_parms, &nbytes, iov, 1); + while (len) { + io_parms.offset = off; + io_parms.length = len; + if (io_parms.length > SMB2_MAX_BUFFER_SIZE) + io_parms.length = SMB2_MAX_BUFFER_SIZE; + /* iov[0] is reserved for smb header */ + iov[1].iov_base = buf; + iov[1].iov_len = io_parms.length; + rc = SMB2_write(xid, &io_parms, &nbytes, iov, 1); + if (rc) + break; + if (nbytes > len) + return -EINVAL; + buf += nbytes; + off += nbytes; + len -= nbytes; + } + return rc; } static int smb3_simple_fallocate_range(unsigned int xid, @@ -3655,11 +3668,6 @@ static int smb3_simple_fallocate_range(unsigned int xid, (char **)&out_data, &out_data_len); if (rc) goto out; - /* - * It is already all allocated - */ - if (out_data_len == 0) - goto out; buf = kzalloc(1024 * 1024, GFP_KERNEL); if (buf == NULL) { @@ -3782,6 +3790,24 @@ static long smb3_simple_falloc(struct file *file, struct cifs_tcon *tcon, goto out; } + if (keep_size == true) { + /* + * We can not preallocate pages beyond the end of the file + * in SMB2 + */ + if (off >= i_size_read(inode)) { + rc = 0; + goto out; + } + /* + * For fallocates that are partially beyond the end of file, + * clamp len so we only fallocate up to the end of file. + */ + if (off + len > i_size_read(inode)) { + len = i_size_read(inode) - off; + } + } + if ((keep_size == true) || (i_size_read(inode) >= off + len)) { /* * At this point, we are trying to fallocate an internal diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 14292dba3a12..2c2f179b6977 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -106,12 +106,11 @@ static int ext2_commit_chunk(struct page *page, loff_t pos, unsigned len) return err; } -static bool ext2_check_page(struct page *page, int quiet) +static bool ext2_check_page(struct page *page, int quiet, char *kaddr) { struct inode *dir = page->mapping->host; struct super_block *sb = dir->i_sb; unsigned chunk_size = ext2_chunk_size(dir); - char *kaddr = page_address(page); u32 max_inumber = le32_to_cpu(EXT2_SB(sb)->s_es->s_inodes_count); unsigned offs, rec_len; unsigned limit = PAGE_SIZE; @@ -205,7 +204,8 @@ static struct page * ext2_get_page(struct inode *dir, unsigned long n, if (!IS_ERR(page)) { *page_addr = kmap_local_page(page); if (unlikely(!PageChecked(page))) { - if (PageError(page) || !ext2_check_page(page, quiet)) + if (PageError(page) || !ext2_check_page(page, quiet, + *page_addr)) goto fail; } } @@ -584,10 +584,10 @@ out_unlock: * ext2_delete_entry deletes a directory entry by merging it with the * previous entry. Page is up-to-date. */ -int ext2_delete_entry (struct ext2_dir_entry_2 * dir, struct page * page ) +int ext2_delete_entry (struct ext2_dir_entry_2 *dir, struct page *page, + char *kaddr) { struct inode *inode = page->mapping->host; - char *kaddr = page_address(page); unsigned from = ((char*)dir - kaddr) & ~(ext2_chunk_size(inode)-1); unsigned to = ((char *)dir - kaddr) + ext2_rec_len_from_disk(dir->rec_len); @@ -607,7 +607,7 @@ int ext2_delete_entry (struct ext2_dir_entry_2 * dir, struct page * page ) de = ext2_next_entry(de); } if (pde) - from = (char*)pde - (char*)page_address(page); + from = (char *)pde - kaddr; pos = page_offset(page) + from; lock_page(page); err = ext2_prepare_chunk(page, pos, to - from); diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index b0a694820cb7..e512630cb63e 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -740,7 +740,8 @@ extern int ext2_inode_by_name(struct inode *dir, extern int ext2_make_empty(struct inode *, struct inode *); extern struct ext2_dir_entry_2 *ext2_find_entry(struct inode *, const struct qstr *, struct page **, void **res_page_addr); -extern int ext2_delete_entry (struct ext2_dir_entry_2 *, struct page *); +extern int ext2_delete_entry(struct ext2_dir_entry_2 *dir, struct page *page, + char *kaddr); extern int ext2_empty_dir (struct inode *); extern struct ext2_dir_entry_2 *ext2_dotdot(struct inode *dir, struct page **p, void **pa); extern void ext2_set_link(struct inode *, struct ext2_dir_entry_2 *, struct page *, void *, diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c index 1f69b81655b6..5f6b7560eb3f 100644 --- a/fs/ext2/namei.c +++ b/fs/ext2/namei.c @@ -293,7 +293,7 @@ static int ext2_unlink(struct inode * dir, struct dentry *dentry) goto out; } - err = ext2_delete_entry (de, page); + err = ext2_delete_entry (de, page, page_addr); ext2_put_page(page, page_addr); if (err) goto out; @@ -397,7 +397,7 @@ static int ext2_rename (struct user_namespace * mnt_userns, old_inode->i_ctime = current_time(old_inode); mark_inode_dirty(old_inode); - ext2_delete_entry(old_de, old_page); + ext2_delete_entry(old_de, old_page, old_page_addr); if (dir_de) { if (old_dir != new_dir) diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 06d04a74ab6c..4c3370548982 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -521,6 +521,9 @@ static bool inode_prepare_wbs_switch(struct inode *inode, */ smp_mb(); + if (IS_DAX(inode)) + return false; + /* while holding I_WB_SWITCH, no one else can update the association */ spin_lock(&inode->i_lock); if (!(inode->i_sb->s_flags & SB_ACTIVE) || diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 926eeb9bf4eb..cdfb1ae78a3f 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -77,7 +77,7 @@ enum hugetlb_param { static const struct fs_parameter_spec hugetlb_fs_parameters[] = { fsparam_u32 ("gid", Opt_gid), fsparam_string("min_size", Opt_min_size), - fsparam_u32 ("mode", Opt_mode), + fsparam_u32oct("mode", Opt_mode), fsparam_string("nr_inodes", Opt_nr_inodes), fsparam_string("pagesize", Opt_pagesize), fsparam_string("size", Opt_size), diff --git a/fs/internal.h b/fs/internal.h index 3ce8edbaa3ca..82e8eb32ff3d 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -61,7 +61,6 @@ extern void __init chrdev_init(void); */ extern const struct fs_context_operations legacy_fs_context_ops; extern int parse_monolithic_mount_data(struct fs_context *, void *); -extern void fc_drop_locked(struct fs_context *); extern void vfs_clean_context(struct fs_context *fc); extern int finish_clean_context(struct fs_context *fc); diff --git a/fs/io-wq.c b/fs/io-wq.c index 843d4a7bcd6e..cf086b01c6c6 100644 --- a/fs/io-wq.c +++ b/fs/io-wq.c @@ -731,7 +731,12 @@ static void io_wqe_enqueue(struct io_wqe *wqe, struct io_wq_work *work) int work_flags; unsigned long flags; - if (test_bit(IO_WQ_BIT_EXIT, &wqe->wq->state)) { + /* + * If io-wq is exiting for this task, or if the request has explicitly + * been marked as one that should not get executed, cancel it here. + */ + if (test_bit(IO_WQ_BIT_EXIT, &wqe->wq->state) || + (work->flags & IO_WQ_WORK_CANCEL)) { io_run_cancel(work, wqe); return; } diff --git a/fs/io_uring.c b/fs/io_uring.c index 0cac361bf6b8..bf548af0426c 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1279,8 +1279,17 @@ static void io_prep_async_link(struct io_kiocb *req) { struct io_kiocb *cur; - io_for_each_link(cur, req) - io_prep_async_work(cur); + if (req->flags & REQ_F_LINK_TIMEOUT) { + struct io_ring_ctx *ctx = req->ctx; + + spin_lock_irq(&ctx->completion_lock); + io_for_each_link(cur, req) + io_prep_async_work(cur); + spin_unlock_irq(&ctx->completion_lock); + } else { + io_for_each_link(cur, req) + io_prep_async_work(cur); + } } static void io_queue_async_work(struct io_kiocb *req) @@ -1294,6 +1303,17 @@ static void io_queue_async_work(struct io_kiocb *req) /* init ->work of the whole link before punting */ io_prep_async_link(req); + + /* + * Not expected to happen, but if we do have a bug where this _can_ + * happen, catch it here and ensure the request is marked as + * canceled. That will make io-wq go through the usual work cancel + * procedure rather than attempt to run this request (or create a new + * worker for it). + */ + if (WARN_ON_ONCE(!same_thread_group(req->task, current))) + req->work.flags |= IO_WQ_WORK_CANCEL; + trace_io_uring_queue_async_work(ctx, io_wq_is_hashed(&req->work), req, &req->work, req->flags); io_wq_enqueue(tctx->io_wq, &req->work); @@ -1939,9 +1959,13 @@ static void tctx_task_work(struct callback_head *cb) node = next; } if (wq_list_empty(&tctx->task_list)) { + spin_lock_irq(&tctx->task_lock); clear_bit(0, &tctx->task_state); - if (wq_list_empty(&tctx->task_list)) + if (wq_list_empty(&tctx->task_list)) { + spin_unlock_irq(&tctx->task_lock); break; + } + spin_unlock_irq(&tctx->task_lock); /* another tctx_task_work() is enqueued, yield */ if (test_and_set_bit(0, &tctx->task_state)) break; @@ -2036,6 +2060,12 @@ static void io_req_task_queue(struct io_kiocb *req) io_req_task_work_add(req); } +static void io_req_task_queue_reissue(struct io_kiocb *req) +{ + req->io_task_work.func = io_queue_async_work; + io_req_task_work_add(req); +} + static inline void io_queue_next(struct io_kiocb *req) { struct io_kiocb *nxt = io_req_find_next(req); @@ -2205,7 +2235,7 @@ static inline bool io_run_task_work(void) * Find and free completed poll iocbs */ static void io_iopoll_complete(struct io_ring_ctx *ctx, unsigned int *nr_events, - struct list_head *done) + struct list_head *done, bool resubmit) { struct req_batch rb; struct io_kiocb *req; @@ -2220,11 +2250,11 @@ static void io_iopoll_complete(struct io_ring_ctx *ctx, unsigned int *nr_events, req = list_first_entry(done, struct io_kiocb, inflight_entry); list_del(&req->inflight_entry); - if (READ_ONCE(req->result) == -EAGAIN && + if (READ_ONCE(req->result) == -EAGAIN && resubmit && !(req->flags & REQ_F_DONT_REISSUE)) { req->iopoll_completed = 0; req_ref_get(req); - io_queue_async_work(req); + io_req_task_queue_reissue(req); continue; } @@ -2244,7 +2274,7 @@ static void io_iopoll_complete(struct io_ring_ctx *ctx, unsigned int *nr_events, } static int io_do_iopoll(struct io_ring_ctx *ctx, unsigned int *nr_events, - long min) + long min, bool resubmit) { struct io_kiocb *req, *tmp; LIST_HEAD(done); @@ -2287,7 +2317,7 @@ static int io_do_iopoll(struct io_ring_ctx *ctx, unsigned int *nr_events, } if (!list_empty(&done)) - io_iopoll_complete(ctx, nr_events, &done); + io_iopoll_complete(ctx, nr_events, &done, resubmit); return ret; } @@ -2305,7 +2335,7 @@ static void io_iopoll_try_reap_events(struct io_ring_ctx *ctx) while (!list_empty(&ctx->iopoll_list)) { unsigned int nr_events = 0; - io_do_iopoll(ctx, &nr_events, 0); + io_do_iopoll(ctx, &nr_events, 0, false); /* let it sleep and repeat later if can't complete a request */ if (nr_events == 0) @@ -2367,7 +2397,7 @@ static int io_iopoll_check(struct io_ring_ctx *ctx, long min) list_empty(&ctx->iopoll_list)) break; } - ret = io_do_iopoll(ctx, &nr_events, min); + ret = io_do_iopoll(ctx, &nr_events, min, true); } while (!ret && nr_events < min && !need_resched()); out: mutex_unlock(&ctx->uring_lock); @@ -2417,6 +2447,12 @@ static bool io_rw_should_reissue(struct io_kiocb *req) */ if (percpu_ref_is_dying(&ctx->refs)) return false; + /* + * Play it safe and assume not safe to re-import and reissue if we're + * not in the original thread group (or in task context). + */ + if (!same_thread_group(req->task, current) || !in_task()) + return false; return true; } #else @@ -2747,7 +2783,7 @@ static void kiocb_done(struct kiocb *kiocb, ssize_t ret, req->flags &= ~REQ_F_REISSUE; if (io_resubmit_prep(req)) { req_ref_get(req); - io_queue_async_work(req); + io_req_task_queue_reissue(req); } else { int cflags = 0; @@ -4802,6 +4838,7 @@ IO_NETOP_FN(recv); struct io_poll_table { struct poll_table_struct pt; struct io_kiocb *req; + int nr_entries; int error; }; @@ -4902,7 +4939,6 @@ static bool io_poll_complete(struct io_kiocb *req, __poll_t mask) if (req->poll.events & EPOLLONESHOT) flags = 0; if (!io_cqring_fill_event(ctx, req->user_data, error, flags)) { - io_poll_remove_waitqs(req); req->poll.done = true; flags = 0; } @@ -4925,6 +4961,7 @@ static void io_poll_task_func(struct io_kiocb *req) done = io_poll_complete(req, req->result); if (done) { + io_poll_remove_double(req); hash_del(&req->hash_node); } else { req->result = 0; @@ -4995,11 +5032,11 @@ static void __io_queue_proc(struct io_poll_iocb *poll, struct io_poll_table *pt, struct io_kiocb *req = pt->req; /* - * If poll->head is already set, it's because the file being polled - * uses multiple waitqueues for poll handling (eg one for read, one - * for write). Setup a separate io_poll_iocb if this happens. + * The file being polled uses multiple waitqueues for poll handling + * (e.g. one for read, one for write). Setup a separate io_poll_iocb + * if this happens. */ - if (unlikely(poll->head)) { + if (unlikely(pt->nr_entries)) { struct io_poll_iocb *poll_one = poll; /* already have a 2nd entry, fail a third attempt */ @@ -5027,7 +5064,7 @@ static void __io_queue_proc(struct io_poll_iocb *poll, struct io_poll_table *pt, *poll_ptr = poll; } - pt->error = 0; + pt->nr_entries++; poll->head = head; if (poll->events & EPOLLEXCLUSIVE) @@ -5104,11 +5141,16 @@ static __poll_t __io_arm_poll_handler(struct io_kiocb *req, ipt->pt._key = mask; ipt->req = req; - ipt->error = -EINVAL; + ipt->error = 0; + ipt->nr_entries = 0; mask = vfs_poll(req->file, &ipt->pt) & poll->events; + if (unlikely(!ipt->nr_entries) && !ipt->error) + ipt->error = -EINVAL; spin_lock_irq(&ctx->completion_lock); + if (ipt->error || (mask && (poll->events & EPOLLONESHOT))) + io_poll_remove_double(req); if (likely(poll->head)) { spin_lock(&poll->head->lock); if (unlikely(list_empty(&poll->wait.entry))) { @@ -5179,7 +5221,6 @@ static int io_arm_poll_handler(struct io_kiocb *req) ret = __io_arm_poll_handler(req, &apoll->poll, &ipt, mask, io_async_wake); if (ret || ipt.error) { - io_poll_remove_double(req); spin_unlock_irq(&ctx->completion_lock); if (ret) return IO_APOLL_READY; @@ -6792,7 +6833,7 @@ static int __io_sq_thread(struct io_ring_ctx *ctx, bool cap_entries) mutex_lock(&ctx->uring_lock); if (!list_empty(&ctx->iopoll_list)) - io_do_iopoll(ctx, &nr_events, 0); + io_do_iopoll(ctx, &nr_events, 0, true); /* * Don't submit if refs are dying, good for io_uring_register(), @@ -7899,15 +7940,19 @@ static struct io_wq *io_init_wq_offload(struct io_ring_ctx *ctx, struct io_wq_data data; unsigned int concurrency; + mutex_lock(&ctx->uring_lock); hash = ctx->hash_map; if (!hash) { hash = kzalloc(sizeof(*hash), GFP_KERNEL); - if (!hash) + if (!hash) { + mutex_unlock(&ctx->uring_lock); return ERR_PTR(-ENOMEM); + } refcount_set(&hash->refs, 1); init_waitqueue_head(&hash->wait); ctx->hash_map = hash; } + mutex_unlock(&ctx->uring_lock); data.hash = hash; data.task = task; @@ -7981,9 +8026,11 @@ static int io_sq_offload_create(struct io_ring_ctx *ctx, f = fdget(p->wq_fd); if (!f.file) return -ENXIO; - fdput(f); - if (f.file->f_op != &io_uring_fops) + if (f.file->f_op != &io_uring_fops) { + fdput(f); return -EINVAL; + } + fdput(f); } if (ctx->flags & IORING_SETUP_SQPOLL) { struct task_struct *tsk; diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 775657943057..54d7843c0211 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1529,6 +1529,45 @@ static void ocfs2_truncate_cluster_pages(struct inode *inode, u64 byte_start, } } +/* + * zero out partial blocks of one cluster. + * + * start: file offset where zero starts, will be made upper block aligned. + * len: it will be trimmed to the end of current cluster if "start + len" + * is bigger than it. + */ +static int ocfs2_zeroout_partial_cluster(struct inode *inode, + u64 start, u64 len) +{ + int ret; + u64 start_block, end_block, nr_blocks; + u64 p_block, offset; + u32 cluster, p_cluster, nr_clusters; + struct super_block *sb = inode->i_sb; + u64 end = ocfs2_align_bytes_to_clusters(sb, start); + + if (start + len < end) + end = start + len; + + start_block = ocfs2_blocks_for_bytes(sb, start); + end_block = ocfs2_blocks_for_bytes(sb, end); + nr_blocks = end_block - start_block; + if (!nr_blocks) + return 0; + + cluster = ocfs2_bytes_to_clusters(sb, start); + ret = ocfs2_get_clusters(inode, cluster, &p_cluster, + &nr_clusters, NULL); + if (ret) + return ret; + if (!p_cluster) + return 0; + + offset = start_block - ocfs2_clusters_to_blocks(sb, cluster); + p_block = ocfs2_clusters_to_blocks(sb, p_cluster) + offset; + return sb_issue_zeroout(sb, p_block, nr_blocks, GFP_NOFS); +} + static int ocfs2_zero_partial_clusters(struct inode *inode, u64 start, u64 len) { @@ -1538,6 +1577,7 @@ static int ocfs2_zero_partial_clusters(struct inode *inode, struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); unsigned int csize = osb->s_clustersize; handle_t *handle; + loff_t isize = i_size_read(inode); /* * The "start" and "end" values are NOT necessarily part of @@ -1558,6 +1598,26 @@ static int ocfs2_zero_partial_clusters(struct inode *inode, if ((start & (csize - 1)) == 0 && (end & (csize - 1)) == 0) goto out; + /* No page cache for EOF blocks, issue zero out to disk. */ + if (end > isize) { + /* + * zeroout eof blocks in last cluster starting from + * "isize" even "start" > "isize" because it is + * complicated to zeroout just at "start" as "start" + * may be not aligned with block size, buffer write + * would be required to do that, but out of eof buffer + * write is not supported. + */ + ret = ocfs2_zeroout_partial_cluster(inode, isize, + end - isize); + if (ret) { + mlog_errno(ret); + goto out; + } + if (start >= isize) + goto out; + end = isize; + } handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS); if (IS_ERR(handle)) { ret = PTR_ERR(handle); @@ -1856,45 +1916,6 @@ out: } /* - * zero out partial blocks of one cluster. - * - * start: file offset where zero starts, will be made upper block aligned. - * len: it will be trimmed to the end of current cluster if "start + len" - * is bigger than it. - */ -static int ocfs2_zeroout_partial_cluster(struct inode *inode, - u64 start, u64 len) -{ - int ret; - u64 start_block, end_block, nr_blocks; - u64 p_block, offset; - u32 cluster, p_cluster, nr_clusters; - struct super_block *sb = inode->i_sb; - u64 end = ocfs2_align_bytes_to_clusters(sb, start); - - if (start + len < end) - end = start + len; - - start_block = ocfs2_blocks_for_bytes(sb, start); - end_block = ocfs2_blocks_for_bytes(sb, end); - nr_blocks = end_block - start_block; - if (!nr_blocks) - return 0; - - cluster = ocfs2_bytes_to_clusters(sb, start); - ret = ocfs2_get_clusters(inode, cluster, &p_cluster, - &nr_clusters, NULL); - if (ret) - return ret; - if (!p_cluster) - return 0; - - offset = start_block - ocfs2_clusters_to_blocks(sb, cluster); - p_block = ocfs2_clusters_to_blocks(sb, p_cluster) + offset; - return sb_issue_zeroout(sb, p_block, nr_blocks, GFP_NOFS); -} - -/* * Parts of this function taken from xfs_change_file_space() */ static int __ocfs2_change_file_space(struct file *file, struct inode *inode, @@ -1935,7 +1956,6 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode, goto out_inode_unlock; } - orig_isize = i_size_read(inode); switch (sr->l_whence) { case 0: /*SEEK_SET*/ break; @@ -1943,7 +1963,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode, sr->l_start += f_pos; break; case 2: /*SEEK_END*/ - sr->l_start += orig_isize; + sr->l_start += i_size_read(inode); break; default: ret = -EINVAL; @@ -1998,6 +2018,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode, ret = -EINVAL; } + orig_isize = i_size_read(inode); /* zeroout eof blocks in the cluster. */ if (!ret && change_size && orig_isize < size) { ret = ocfs2_zeroout_partial_cluster(inode, orig_isize, diff --git a/fs/pipe.c b/fs/pipe.c index bfd946a9ad01..9ef4231cce61 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -429,20 +429,20 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from) #endif /* - * Only wake up if the pipe started out empty, since - * otherwise there should be no readers waiting. + * Epoll nonsensically wants a wakeup whether the pipe + * was already empty or not. * * If it wasn't empty we try to merge new data into * the last buffer. * * That naturally merges small writes, but it also - * page-aligs the rest of the writes for large writes + * page-aligns the rest of the writes for large writes * spanning multiple pages. */ head = pipe->head; - was_empty = pipe_empty(head, pipe->tail); + was_empty = true; chars = total_len & (PAGE_SIZE-1); - if (chars && !was_empty) { + if (chars && !pipe_empty(head, pipe->tail)) { unsigned int mask = pipe->ring_size - 1; struct pipe_buffer *buf = &pipe->bufs[(head - 1) & mask]; int offset = buf->offset + buf->len; diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c index 476a7ff49482..ef42729216d1 100644 --- a/fs/reiserfs/stree.c +++ b/fs/reiserfs/stree.c @@ -387,6 +387,24 @@ void pathrelse(struct treepath *search_path) search_path->path_length = ILLEGAL_PATH_ELEMENT_OFFSET; } +static int has_valid_deh_location(struct buffer_head *bh, struct item_head *ih) +{ + struct reiserfs_de_head *deh; + int i; + + deh = B_I_DEH(bh, ih); + for (i = 0; i < ih_entry_count(ih); i++) { + if (deh_location(&deh[i]) > ih_item_len(ih)) { + reiserfs_warning(NULL, "reiserfs-5094", + "directory entry location seems wrong %h", + &deh[i]); + return 0; + } + } + + return 1; +} + static int is_leaf(char *buf, int blocksize, struct buffer_head *bh) { struct block_head *blkh; @@ -454,11 +472,14 @@ static int is_leaf(char *buf, int blocksize, struct buffer_head *bh) "(second one): %h", ih); return 0; } - if (is_direntry_le_ih(ih) && (ih_item_len(ih) < (ih_entry_count(ih) * IH_SIZE))) { - reiserfs_warning(NULL, "reiserfs-5093", - "item entry count seems wrong %h", - ih); - return 0; + if (is_direntry_le_ih(ih)) { + if (ih_item_len(ih) < (ih_entry_count(ih) * IH_SIZE)) { + reiserfs_warning(NULL, "reiserfs-5093", + "item entry count seems wrong %h", + ih); + return 0; + } + return has_valid_deh_location(bh, ih); } prev_location = ih_location(ih); } diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 3ffafc73acf0..58481f8d63d5 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -2082,6 +2082,14 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) unlock_new_inode(root_inode); } + if (!S_ISDIR(root_inode->i_mode) || !inode_get_bytes(root_inode) || + !root_inode->i_size) { + SWARN(silent, s, "", "corrupt root inode, run fsck"); + iput(root_inode); + errval = -EUCLEAN; + goto error; + } + s->s_root = d_make_root(root_inode); if (!s->s_root) goto error; diff --git a/fs/seq_file.c b/fs/seq_file.c index b117b212ef28..4a2cda04d3e2 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -32,6 +32,9 @@ static void seq_set_overflow(struct seq_file *m) static void *seq_buf_alloc(unsigned long size) { + if (unlikely(size > MAX_RW_COUNT)) + return NULL; + return kvmalloc(size, GFP_KERNEL_ACCOUNT); } diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index f6e0f0c0d0e5..5c2d806e6ae5 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -1236,23 +1236,21 @@ static __always_inline void wake_userfault(struct userfaultfd_ctx *ctx, } static __always_inline int validate_range(struct mm_struct *mm, - __u64 *start, __u64 len) + __u64 start, __u64 len) { __u64 task_size = mm->task_size; - *start = untagged_addr(*start); - - if (*start & ~PAGE_MASK) + if (start & ~PAGE_MASK) return -EINVAL; if (len & ~PAGE_MASK) return -EINVAL; if (!len) return -EINVAL; - if (*start < mmap_min_addr) + if (start < mmap_min_addr) return -EINVAL; - if (*start >= task_size) + if (start >= task_size) return -EINVAL; - if (len > task_size - *start) + if (len > task_size - start) return -EINVAL; return 0; } @@ -1316,7 +1314,7 @@ static int userfaultfd_register(struct userfaultfd_ctx *ctx, vm_flags |= VM_UFFD_MINOR; } - ret = validate_range(mm, &uffdio_register.range.start, + ret = validate_range(mm, uffdio_register.range.start, uffdio_register.range.len); if (ret) goto out; @@ -1522,7 +1520,7 @@ static int userfaultfd_unregister(struct userfaultfd_ctx *ctx, if (copy_from_user(&uffdio_unregister, buf, sizeof(uffdio_unregister))) goto out; - ret = validate_range(mm, &uffdio_unregister.start, + ret = validate_range(mm, uffdio_unregister.start, uffdio_unregister.len); if (ret) goto out; @@ -1671,7 +1669,7 @@ static int userfaultfd_wake(struct userfaultfd_ctx *ctx, if (copy_from_user(&uffdio_wake, buf, sizeof(uffdio_wake))) goto out; - ret = validate_range(ctx->mm, &uffdio_wake.start, uffdio_wake.len); + ret = validate_range(ctx->mm, uffdio_wake.start, uffdio_wake.len); if (ret) goto out; @@ -1711,7 +1709,7 @@ static int userfaultfd_copy(struct userfaultfd_ctx *ctx, sizeof(uffdio_copy)-sizeof(__s64))) goto out; - ret = validate_range(ctx->mm, &uffdio_copy.dst, uffdio_copy.len); + ret = validate_range(ctx->mm, uffdio_copy.dst, uffdio_copy.len); if (ret) goto out; /* @@ -1768,7 +1766,7 @@ static int userfaultfd_zeropage(struct userfaultfd_ctx *ctx, sizeof(uffdio_zeropage)-sizeof(__s64))) goto out; - ret = validate_range(ctx->mm, &uffdio_zeropage.range.start, + ret = validate_range(ctx->mm, uffdio_zeropage.range.start, uffdio_zeropage.range.len); if (ret) goto out; @@ -1818,7 +1816,7 @@ static int userfaultfd_writeprotect(struct userfaultfd_ctx *ctx, sizeof(struct uffdio_writeprotect))) return -EFAULT; - ret = validate_range(ctx->mm, &uffdio_wp.range.start, + ret = validate_range(ctx->mm, uffdio_wp.range.start, uffdio_wp.range.len); if (ret) return ret; @@ -1866,7 +1864,7 @@ static int userfaultfd_continue(struct userfaultfd_ctx *ctx, unsigned long arg) sizeof(uffdio_continue) - (sizeof(__s64)))) goto out; - ret = validate_range(ctx->mm, &uffdio_continue.range.start, + ret = validate_range(ctx->mm, uffdio_continue.range.start, uffdio_continue.range.len); if (ret) goto out; diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h index d548ea4b6aab..2c5bcbc19264 100644 --- a/fs/xfs/libxfs/xfs_log_format.h +++ b/fs/xfs/libxfs/xfs_log_format.h @@ -411,7 +411,16 @@ struct xfs_log_dinode { /* start of the extended dinode, writable fields */ uint32_t di_crc; /* CRC of the inode */ uint64_t di_changecount; /* number of attribute changes */ - xfs_lsn_t di_lsn; /* flush sequence */ + + /* + * The LSN we write to this field during formatting is not a reflection + * of the current on-disk LSN. It should never be used for recovery + * sequencing, nor should it be recovered into the on-disk inode at all. + * See xlog_recover_inode_commit_pass2() and xfs_log_dinode_to_disk() + * for details. + */ + xfs_lsn_t di_lsn; + uint64_t di_flags2; /* more random flags */ uint32_t di_cowextsize; /* basic cow extent size for file */ uint8_t di_pad2[12]; /* more padding for future expansion */ diff --git a/fs/xfs/xfs_buf_item_recover.c b/fs/xfs/xfs_buf_item_recover.c index d44e8b4a3391..4775485b4062 100644 --- a/fs/xfs/xfs_buf_item_recover.c +++ b/fs/xfs/xfs_buf_item_recover.c @@ -698,7 +698,8 @@ xlog_recover_do_inode_buffer( static xfs_lsn_t xlog_recover_get_buf_lsn( struct xfs_mount *mp, - struct xfs_buf *bp) + struct xfs_buf *bp, + struct xfs_buf_log_format *buf_f) { uint32_t magic32; uint16_t magic16; @@ -706,11 +707,20 @@ xlog_recover_get_buf_lsn( void *blk = bp->b_addr; uuid_t *uuid; xfs_lsn_t lsn = -1; + uint16_t blft; /* v4 filesystems always recover immediately */ if (!xfs_sb_version_hascrc(&mp->m_sb)) goto recover_immediately; + /* + * realtime bitmap and summary file blocks do not have magic numbers or + * UUIDs, so we must recover them immediately. + */ + blft = xfs_blft_from_flags(buf_f); + if (blft == XFS_BLFT_RTBITMAP_BUF || blft == XFS_BLFT_RTSUMMARY_BUF) + goto recover_immediately; + magic32 = be32_to_cpu(*(__be32 *)blk); switch (magic32) { case XFS_ABTB_CRC_MAGIC: @@ -796,6 +806,7 @@ xlog_recover_get_buf_lsn( switch (magicda) { case XFS_DIR3_LEAF1_MAGIC: case XFS_DIR3_LEAFN_MAGIC: + case XFS_ATTR3_LEAF_MAGIC: case XFS_DA3_NODE_MAGIC: lsn = be64_to_cpu(((struct xfs_da3_blkinfo *)blk)->lsn); uuid = &((struct xfs_da3_blkinfo *)blk)->uuid; @@ -919,7 +930,7 @@ xlog_recover_buf_commit_pass2( * the verifier will be reset to match whatever recover turns that * buffer into. */ - lsn = xlog_recover_get_buf_lsn(mp, bp); + lsn = xlog_recover_get_buf_lsn(mp, bp, buf_f); if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) { trace_xfs_log_recover_buf_skip(log, buf_f); xlog_recover_validate_buf_type(mp, bp, buf_f, NULLCOMMITLSN); diff --git a/fs/xfs/xfs_inode_item_recover.c b/fs/xfs/xfs_inode_item_recover.c index 7b79518b6c20..e0072a6cd2d3 100644 --- a/fs/xfs/xfs_inode_item_recover.c +++ b/fs/xfs/xfs_inode_item_recover.c @@ -145,7 +145,8 @@ xfs_log_dinode_to_disk_ts( STATIC void xfs_log_dinode_to_disk( struct xfs_log_dinode *from, - struct xfs_dinode *to) + struct xfs_dinode *to, + xfs_lsn_t lsn) { to->di_magic = cpu_to_be16(from->di_magic); to->di_mode = cpu_to_be16(from->di_mode); @@ -182,7 +183,7 @@ xfs_log_dinode_to_disk( to->di_flags2 = cpu_to_be64(from->di_flags2); to->di_cowextsize = cpu_to_be32(from->di_cowextsize); to->di_ino = cpu_to_be64(from->di_ino); - to->di_lsn = cpu_to_be64(from->di_lsn); + to->di_lsn = cpu_to_be64(lsn); memcpy(to->di_pad2, from->di_pad2, sizeof(to->di_pad2)); uuid_copy(&to->di_uuid, &from->di_uuid); to->di_flushiter = 0; @@ -261,16 +262,25 @@ xlog_recover_inode_commit_pass2( } /* - * If the inode has an LSN in it, recover the inode only if it's less - * than the lsn of the transaction we are replaying. Note: we still - * need to replay an owner change even though the inode is more recent - * than the transaction as there is no guarantee that all the btree - * blocks are more recent than this transaction, too. + * If the inode has an LSN in it, recover the inode only if the on-disk + * inode's LSN is older than the lsn of the transaction we are + * replaying. We can have multiple checkpoints with the same start LSN, + * so the current LSN being equal to the on-disk LSN doesn't necessarily + * mean that the on-disk inode is more recent than the change being + * replayed. + * + * We must check the current_lsn against the on-disk inode + * here because the we can't trust the log dinode to contain a valid LSN + * (see comment below before replaying the log dinode for details). + * + * Note: we still need to replay an owner change even though the inode + * is more recent than the transaction as there is no guarantee that all + * the btree blocks are more recent than this transaction, too. */ if (dip->di_version >= 3) { xfs_lsn_t lsn = be64_to_cpu(dip->di_lsn); - if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) { + if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) > 0) { trace_xfs_log_recover_inode_skip(log, in_f); error = 0; goto out_owner_change; @@ -368,8 +378,17 @@ xlog_recover_inode_commit_pass2( goto out_release; } - /* recover the log dinode inode into the on disk inode */ - xfs_log_dinode_to_disk(ldip, dip); + /* + * Recover the log dinode inode into the on disk inode. + * + * The LSN in the log dinode is garbage - it can be zero or reflect + * stale in-memory runtime state that isn't coherent with the changes + * logged in this transaction or the changes written to the on-disk + * inode. Hence we write the current lSN into the inode because that + * matches what xfs_iflush() would write inode the inode when flushing + * the changes in this transaction. + */ + xfs_log_dinode_to_disk(ldip, dip, current_lsn); fields = in_f->ilf_fields; if (fields & XFS_ILOG_DEV) diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 36fa2650b081..60ac5fd63f1e 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -78,13 +78,12 @@ xlog_verify_iclog( STATIC void xlog_verify_tail_lsn( struct xlog *log, - struct xlog_in_core *iclog, - xfs_lsn_t tail_lsn); + struct xlog_in_core *iclog); #else #define xlog_verify_dest_ptr(a,b) #define xlog_verify_grant_tail(a) #define xlog_verify_iclog(a,b,c) -#define xlog_verify_tail_lsn(a,b,c) +#define xlog_verify_tail_lsn(a,b) #endif STATIC int @@ -487,51 +486,80 @@ out_error: return error; } -static bool -__xlog_state_release_iclog( - struct xlog *log, - struct xlog_in_core *iclog) -{ - lockdep_assert_held(&log->l_icloglock); - - if (iclog->ic_state == XLOG_STATE_WANT_SYNC) { - /* update tail before writing to iclog */ - xfs_lsn_t tail_lsn = xlog_assign_tail_lsn(log->l_mp); - - iclog->ic_state = XLOG_STATE_SYNCING; - iclog->ic_header.h_tail_lsn = cpu_to_be64(tail_lsn); - xlog_verify_tail_lsn(log, iclog, tail_lsn); - /* cycle incremented when incrementing curr_block */ - trace_xlog_iclog_syncing(iclog, _RET_IP_); - return true; - } - - ASSERT(iclog->ic_state == XLOG_STATE_ACTIVE); - return false; -} - /* * Flush iclog to disk if this is the last reference to the given iclog and the * it is in the WANT_SYNC state. + * + * If the caller passes in a non-zero @old_tail_lsn and the current log tail + * does not match, there may be metadata on disk that must be persisted before + * this iclog is written. To satisfy that requirement, set the + * XLOG_ICL_NEED_FLUSH flag as a condition for writing this iclog with the new + * log tail value. + * + * If XLOG_ICL_NEED_FUA is already set on the iclog, we need to ensure that the + * log tail is updated correctly. NEED_FUA indicates that the iclog will be + * written to stable storage, and implies that a commit record is contained + * within the iclog. We need to ensure that the log tail does not move beyond + * the tail that the first commit record in the iclog ordered against, otherwise + * correct recovery of that checkpoint becomes dependent on future operations + * performed on this iclog. + * + * Hence if NEED_FUA is set and the current iclog tail lsn is empty, write the + * current tail into iclog. Once the iclog tail is set, future operations must + * not modify it, otherwise they potentially violate ordering constraints for + * the checkpoint commit that wrote the initial tail lsn value. The tail lsn in + * the iclog will get zeroed on activation of the iclog after sync, so we + * always capture the tail lsn on the iclog on the first NEED_FUA release + * regardless of the number of active reference counts on this iclog. */ + int xlog_state_release_iclog( struct xlog *log, - struct xlog_in_core *iclog) + struct xlog_in_core *iclog, + xfs_lsn_t old_tail_lsn) { + xfs_lsn_t tail_lsn; lockdep_assert_held(&log->l_icloglock); trace_xlog_iclog_release(iclog, _RET_IP_); if (iclog->ic_state == XLOG_STATE_IOERROR) return -EIO; - if (atomic_dec_and_test(&iclog->ic_refcnt) && - __xlog_state_release_iclog(log, iclog)) { - spin_unlock(&log->l_icloglock); - xlog_sync(log, iclog); - spin_lock(&log->l_icloglock); + /* + * Grabbing the current log tail needs to be atomic w.r.t. the writing + * of the tail LSN into the iclog so we guarantee that the log tail does + * not move between deciding if a cache flush is required and writing + * the LSN into the iclog below. + */ + if (old_tail_lsn || iclog->ic_state == XLOG_STATE_WANT_SYNC) { + tail_lsn = xlog_assign_tail_lsn(log->l_mp); + + if (old_tail_lsn && tail_lsn != old_tail_lsn) + iclog->ic_flags |= XLOG_ICL_NEED_FLUSH; + + if ((iclog->ic_flags & XLOG_ICL_NEED_FUA) && + !iclog->ic_header.h_tail_lsn) + iclog->ic_header.h_tail_lsn = cpu_to_be64(tail_lsn); } + if (!atomic_dec_and_test(&iclog->ic_refcnt)) + return 0; + + if (iclog->ic_state != XLOG_STATE_WANT_SYNC) { + ASSERT(iclog->ic_state == XLOG_STATE_ACTIVE); + return 0; + } + + iclog->ic_state = XLOG_STATE_SYNCING; + if (!iclog->ic_header.h_tail_lsn) + iclog->ic_header.h_tail_lsn = cpu_to_be64(tail_lsn); + xlog_verify_tail_lsn(log, iclog); + trace_xlog_iclog_syncing(iclog, _RET_IP_); + + spin_unlock(&log->l_icloglock); + xlog_sync(log, iclog); + spin_lock(&log->l_icloglock); return 0; } @@ -774,6 +802,21 @@ xfs_log_mount_cancel( } /* + * Flush out the iclog to disk ensuring that device caches are flushed and + * the iclog hits stable storage before any completion waiters are woken. + */ +static inline int +xlog_force_iclog( + struct xlog_in_core *iclog) +{ + atomic_inc(&iclog->ic_refcnt); + iclog->ic_flags |= XLOG_ICL_NEED_FLUSH | XLOG_ICL_NEED_FUA; + if (iclog->ic_state == XLOG_STATE_ACTIVE) + xlog_state_switch_iclogs(iclog->ic_log, iclog, 0); + return xlog_state_release_iclog(iclog->ic_log, iclog, 0); +} + +/* * Wait for the iclog and all prior iclogs to be written disk as required by the * log force state machine. Waiting on ic_force_wait ensures iclog completions * have been ordered and callbacks run before we are woken here, hence @@ -827,13 +870,6 @@ xlog_write_unmount_record( /* account for space used by record data */ ticket->t_curr_res -= sizeof(ulf); - /* - * For external log devices, we need to flush the data device cache - * first to ensure all metadata writeback is on stable storage before we - * stamp the tail LSN into the unmount record. - */ - if (log->l_targ != log->l_mp->m_ddev_targp) - blkdev_issue_flush(log->l_targ->bt_bdev); return xlog_write(log, &vec, ticket, NULL, NULL, XLOG_UNMOUNT_TRANS); } @@ -865,18 +901,7 @@ out_err: spin_lock(&log->l_icloglock); iclog = log->l_iclog; - atomic_inc(&iclog->ic_refcnt); - if (iclog->ic_state == XLOG_STATE_ACTIVE) - xlog_state_switch_iclogs(log, iclog, 0); - else - ASSERT(iclog->ic_state == XLOG_STATE_WANT_SYNC || - iclog->ic_state == XLOG_STATE_IOERROR); - /* - * Ensure the journal is fully flushed and on stable storage once the - * iclog containing the unmount record is written. - */ - iclog->ic_flags |= (XLOG_ICL_NEED_FLUSH | XLOG_ICL_NEED_FUA); - error = xlog_state_release_iclog(log, iclog); + error = xlog_force_iclog(iclog); xlog_wait_on_iclog(iclog); if (tic) { @@ -1796,10 +1821,20 @@ xlog_write_iclog( * metadata writeback and causing priority inversions. */ iclog->ic_bio.bi_opf = REQ_OP_WRITE | REQ_META | REQ_SYNC | REQ_IDLE; - if (iclog->ic_flags & XLOG_ICL_NEED_FLUSH) + if (iclog->ic_flags & XLOG_ICL_NEED_FLUSH) { iclog->ic_bio.bi_opf |= REQ_PREFLUSH; + /* + * For external log devices, we also need to flush the data + * device cache first to ensure all metadata writeback covered + * by the LSN in this iclog is on stable storage. This is slow, + * but it *must* complete before we issue the external log IO. + */ + if (log->l_targ != log->l_mp->m_ddev_targp) + blkdev_issue_flush(log->l_mp->m_ddev_targp->bt_bdev); + } if (iclog->ic_flags & XLOG_ICL_NEED_FUA) iclog->ic_bio.bi_opf |= REQ_FUA; + iclog->ic_flags &= ~(XLOG_ICL_NEED_FLUSH | XLOG_ICL_NEED_FUA); if (xlog_map_iclog_data(&iclog->ic_bio, iclog->ic_data, count)) { @@ -2310,7 +2345,7 @@ xlog_write_copy_finish( return 0; release_iclog: - error = xlog_state_release_iclog(log, iclog); + error = xlog_state_release_iclog(log, iclog, 0); spin_unlock(&log->l_icloglock); return error; } @@ -2529,7 +2564,7 @@ next_lv: ASSERT(optype & XLOG_COMMIT_TRANS); *commit_iclog = iclog; } else { - error = xlog_state_release_iclog(log, iclog); + error = xlog_state_release_iclog(log, iclog, 0); } spin_unlock(&log->l_icloglock); @@ -2567,6 +2602,7 @@ xlog_state_activate_iclog( memset(iclog->ic_header.h_cycle_data, 0, sizeof(iclog->ic_header.h_cycle_data)); iclog->ic_header.h_lsn = 0; + iclog->ic_header.h_tail_lsn = 0; } /* @@ -2967,7 +3003,7 @@ restart: * reference to the iclog. */ if (!atomic_add_unless(&iclog->ic_refcnt, -1, 1)) - error = xlog_state_release_iclog(log, iclog); + error = xlog_state_release_iclog(log, iclog, 0); spin_unlock(&log->l_icloglock); if (error) return error; @@ -3132,6 +3168,35 @@ xlog_state_switch_iclogs( } /* + * Force the iclog to disk and check if the iclog has been completed before + * xlog_force_iclog() returns. This can happen on synchronous (e.g. + * pmem) or fast async storage because we drop the icloglock to issue the IO. + * If completion has already occurred, tell the caller so that it can avoid an + * unnecessary wait on the iclog. + */ +static int +xlog_force_and_check_iclog( + struct xlog_in_core *iclog, + bool *completed) +{ + xfs_lsn_t lsn = be64_to_cpu(iclog->ic_header.h_lsn); + int error; + + *completed = false; + error = xlog_force_iclog(iclog); + if (error) + return error; + + /* + * If the iclog has already been completed and reused the header LSN + * will have been rewritten by completion + */ + if (be64_to_cpu(iclog->ic_header.h_lsn) != lsn) + *completed = true; + return 0; +} + +/* * Write out all data in the in-core log as of this exact moment in time. * * Data may be written to the in-core log during this call. However, @@ -3165,7 +3230,6 @@ xfs_log_force( { struct xlog *log = mp->m_log; struct xlog_in_core *iclog; - xfs_lsn_t lsn; XFS_STATS_INC(mp, xs_log_force); trace_xfs_log_force(mp, 0, _RET_IP_); @@ -3193,39 +3257,33 @@ xfs_log_force( iclog = iclog->ic_prev; } else if (iclog->ic_state == XLOG_STATE_ACTIVE) { if (atomic_read(&iclog->ic_refcnt) == 0) { - /* - * We are the only one with access to this iclog. - * - * Flush it out now. There should be a roundoff of zero - * to show that someone has already taken care of the - * roundoff from the previous sync. - */ - atomic_inc(&iclog->ic_refcnt); - lsn = be64_to_cpu(iclog->ic_header.h_lsn); - xlog_state_switch_iclogs(log, iclog, 0); - if (xlog_state_release_iclog(log, iclog)) + /* We have exclusive access to this iclog. */ + bool completed; + + if (xlog_force_and_check_iclog(iclog, &completed)) goto out_error; - if (be64_to_cpu(iclog->ic_header.h_lsn) != lsn) + if (completed) goto out_unlock; } else { /* - * Someone else is writing to this iclog. - * - * Use its call to flush out the data. However, the - * other thread may not force out this LR, so we mark - * it WANT_SYNC. + * Someone else is still writing to this iclog, so we + * need to ensure that when they release the iclog it + * gets synced immediately as we may be waiting on it. */ xlog_state_switch_iclogs(log, iclog, 0); } - } else { - /* - * If the head iclog is not active nor dirty, we just attach - * ourselves to the head and go to sleep if necessary. - */ - ; } + /* + * The iclog we are about to wait on may contain the checkpoint pushed + * by the above xlog_cil_force() call, but it may not have been pushed + * to disk yet. Like the ACTIVE case above, we need to make sure caches + * are flushed when this iclog is written. + */ + if (iclog->ic_state == XLOG_STATE_WANT_SYNC) + iclog->ic_flags |= XLOG_ICL_NEED_FLUSH | XLOG_ICL_NEED_FUA; + if (flags & XFS_LOG_SYNC) return xlog_wait_on_iclog(iclog); out_unlock: @@ -3245,6 +3303,7 @@ xlog_force_lsn( bool already_slept) { struct xlog_in_core *iclog; + bool completed; spin_lock(&log->l_icloglock); iclog = log->l_iclog; @@ -3258,7 +3317,8 @@ xlog_force_lsn( goto out_unlock; } - if (iclog->ic_state == XLOG_STATE_ACTIVE) { + switch (iclog->ic_state) { + case XLOG_STATE_ACTIVE: /* * We sleep here if we haven't already slept (e.g. this is the * first time we've looked at the correct iclog buf) and the @@ -3281,12 +3341,31 @@ xlog_force_lsn( &log->l_icloglock); return -EAGAIN; } - atomic_inc(&iclog->ic_refcnt); - xlog_state_switch_iclogs(log, iclog, 0); - if (xlog_state_release_iclog(log, iclog)) + if (xlog_force_and_check_iclog(iclog, &completed)) goto out_error; if (log_flushed) *log_flushed = 1; + if (completed) + goto out_unlock; + break; + case XLOG_STATE_WANT_SYNC: + /* + * This iclog may contain the checkpoint pushed by the + * xlog_cil_force_seq() call, but there are other writers still + * accessing it so it hasn't been pushed to disk yet. Like the + * ACTIVE case above, we need to make sure caches are flushed + * when this iclog is written. + */ + iclog->ic_flags |= XLOG_ICL_NEED_FLUSH | XLOG_ICL_NEED_FUA; + break; + default: + /* + * The entire checkpoint was written by the CIL force and is on + * its way to disk already. It will be stable when it + * completes, so we don't need to manipulate caches here at all. + * We just need to wait for completion if necessary. + */ + break; } if (flags & XFS_LOG_SYNC) @@ -3559,10 +3638,10 @@ xlog_verify_grant_tail( STATIC void xlog_verify_tail_lsn( struct xlog *log, - struct xlog_in_core *iclog, - xfs_lsn_t tail_lsn) + struct xlog_in_core *iclog) { - int blocks; + xfs_lsn_t tail_lsn = be64_to_cpu(iclog->ic_header.h_tail_lsn); + int blocks; if (CYCLE_LSN(tail_lsn) == log->l_prev_cycle) { blocks = diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c index b128aaa9b870..4c44bc3786c0 100644 --- a/fs/xfs/xfs_log_cil.c +++ b/fs/xfs/xfs_log_cil.c @@ -654,8 +654,9 @@ xlog_cil_push_work( struct xfs_trans_header thdr; struct xfs_log_iovec lhdr; struct xfs_log_vec lvhdr = { NULL }; + xfs_lsn_t preflush_tail_lsn; xfs_lsn_t commit_lsn; - xfs_lsn_t push_seq; + xfs_csn_t push_seq; struct bio bio; DECLARE_COMPLETION_ONSTACK(bdev_flush); @@ -730,7 +731,15 @@ xlog_cil_push_work( * because we hold the flush lock exclusively. Hence we can now issue * a cache flush to ensure all the completed metadata in the journal we * are about to overwrite is on stable storage. + * + * Because we are issuing this cache flush before we've written the + * tail lsn to the iclog, we can have metadata IO completions move the + * tail forwards between the completion of this flush and the iclog + * being written. In this case, we need to re-issue the cache flush + * before the iclog write. To detect whether the log tail moves, sample + * the tail LSN *before* we issue the flush. */ + preflush_tail_lsn = atomic64_read(&log->l_tail_lsn); xfs_flush_bdev_async(&bio, log->l_mp->m_ddev_targp->bt_bdev, &bdev_flush); @@ -941,7 +950,7 @@ restart: * storage. */ commit_iclog->ic_flags |= XLOG_ICL_NEED_FUA; - xlog_state_release_iclog(log, commit_iclog); + xlog_state_release_iclog(log, commit_iclog, preflush_tail_lsn); spin_unlock(&log->l_icloglock); return; diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index 4c41bbfa33b0..f3e79a45d60a 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -59,6 +59,16 @@ enum xlog_iclog_state { { XLOG_STATE_DIRTY, "XLOG_STATE_DIRTY" }, \ { XLOG_STATE_IOERROR, "XLOG_STATE_IOERROR" } +/* + * In core log flags + */ +#define XLOG_ICL_NEED_FLUSH (1 << 0) /* iclog needs REQ_PREFLUSH */ +#define XLOG_ICL_NEED_FUA (1 << 1) /* iclog needs REQ_FUA */ + +#define XLOG_ICL_STRINGS \ + { XLOG_ICL_NEED_FLUSH, "XLOG_ICL_NEED_FLUSH" }, \ + { XLOG_ICL_NEED_FUA, "XLOG_ICL_NEED_FUA" } + /* * Log ticket flags @@ -143,9 +153,6 @@ enum xlog_iclog_state { #define XLOG_COVER_OPS 5 -#define XLOG_ICL_NEED_FLUSH (1 << 0) /* iclog needs REQ_PREFLUSH */ -#define XLOG_ICL_NEED_FUA (1 << 1) /* iclog needs REQ_FUA */ - /* Ticket reservation region accounting */ #define XLOG_TIC_LEN_MAX 15 @@ -497,7 +504,8 @@ int xlog_commit_record(struct xlog *log, struct xlog_ticket *ticket, void xfs_log_ticket_ungrant(struct xlog *log, struct xlog_ticket *ticket); void xfs_log_ticket_regrant(struct xlog *log, struct xlog_ticket *ticket); -int xlog_state_release_iclog(struct xlog *log, struct xlog_in_core *iclog); +int xlog_state_release_iclog(struct xlog *log, struct xlog_in_core *iclog, + xfs_lsn_t log_tail_lsn); /* * When we crack an atomic LSN, we sample it first so that the value will not diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index f9d8d605f9b1..19260291ff8b 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -3944,6 +3944,7 @@ DECLARE_EVENT_CLASS(xlog_iclog_class, __field(uint32_t, state) __field(int32_t, refcount) __field(uint32_t, offset) + __field(uint32_t, flags) __field(unsigned long long, lsn) __field(unsigned long, caller_ip) ), @@ -3952,15 +3953,17 @@ DECLARE_EVENT_CLASS(xlog_iclog_class, __entry->state = iclog->ic_state; __entry->refcount = atomic_read(&iclog->ic_refcnt); __entry->offset = iclog->ic_offset; + __entry->flags = iclog->ic_flags; __entry->lsn = be64_to_cpu(iclog->ic_header.h_lsn); __entry->caller_ip = caller_ip; ), - TP_printk("dev %d:%d state %s refcnt %d offset %u lsn 0x%llx caller %pS", + TP_printk("dev %d:%d state %s refcnt %d offset %u lsn 0x%llx flags %s caller %pS", MAJOR(__entry->dev), MINOR(__entry->dev), __print_symbolic(__entry->state, XLOG_STATE_STRINGS), __entry->refcount, __entry->offset, __entry->lsn, + __print_flags(__entry->flags, "|", XLOG_ICL_STRINGS), (char *)__entry->caller_ip) ); diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 1ae993fee4a5..13d93371790e 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -707,11 +707,6 @@ acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv); * @hrv: Hardware Revision of the device, pass -1 to not check _HRV * * The caller is responsible for invoking acpi_dev_put() on the returned device. - * - * FIXME: Due to above requirement there is a window that may invalidate @adev - * and next iteration will use a dangling pointer, e.g. in the case of a - * hotplug event. That said, the caller should ensure that this will never - * happen. */ #define for_each_acpi_dev_match(adev, hid, uid, hrv) \ for (adev = acpi_dev_get_first_match_dev(hid, uid, hrv); \ @@ -725,7 +720,8 @@ static inline struct acpi_device *acpi_dev_get(struct acpi_device *adev) static inline void acpi_dev_put(struct acpi_device *adev) { - put_device(&adev->dev); + if (adev) + put_device(&adev->dev); } struct acpi_device *acpi_bus_get_acpi_device(acpi_handle handle); diff --git a/include/drm/drm_ioctl.h b/include/drm/drm_ioctl.h index 10100a4bbe2a..afb27cb6a7bd 100644 --- a/include/drm/drm_ioctl.h +++ b/include/drm/drm_ioctl.h @@ -68,6 +68,7 @@ typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, unsigned long arg); #define DRM_IOCTL_NR(n) _IOC_NR(n) +#define DRM_IOCTL_TYPE(n) _IOC_TYPE(n) #define DRM_MAJOR 226 /** diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 3177181c4326..d3afea47ade6 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -57,7 +57,7 @@ struct blk_keyslot_manager; * Maximum number of blkcg policies allowed to be registered concurrently. * Defined here to simplify include dependency. */ -#define BLKCG_MAX_POLS 5 +#define BLKCG_MAX_POLS 6 typedef void (rq_end_io_fn)(struct request *, blk_status_t); diff --git a/include/linux/bpf_types.h b/include/linux/bpf_types.h index a9db1eae6796..ae3ac3a2018c 100644 --- a/include/linux/bpf_types.h +++ b/include/linux/bpf_types.h @@ -134,4 +134,5 @@ BPF_LINK_TYPE(BPF_LINK_TYPE_CGROUP, cgroup) BPF_LINK_TYPE(BPF_LINK_TYPE_ITER, iter) #ifdef CONFIG_NET BPF_LINK_TYPE(BPF_LINK_TYPE_NETNS, netns) +BPF_LINK_TYPE(BPF_LINK_TYPE_XDP, xdp) #endif diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index e774ecc1cd1f..828d08afeee0 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -340,8 +340,8 @@ struct bpf_insn_aux_data { }; u64 map_key_state; /* constant (32 bit) key tracking for maps */ int ctx_field_size; /* the ctx field size for load insn, maybe 0 */ - int sanitize_stack_off; /* stack slot to be cleared */ u32 seen; /* this insn was processed by the verifier at env->pass_cnt */ + bool sanitize_stack_spill; /* subject to Spectre v4 sanitation */ bool zext_dst; /* this insn zero extends dst reg */ u8 alu_state; /* used in combination with alu_limit */ @@ -414,6 +414,7 @@ struct bpf_verifier_env { u32 used_map_cnt; /* number of used maps */ u32 used_btf_cnt; /* number of used BTF objects */ u32 id_gen; /* used to generate unique reg IDs */ + bool explore_alu_limits; bool allow_ptr_leaks; bool allow_uninit_stack; bool allow_ptr_to_map_access; diff --git a/include/linux/entry-kvm.h b/include/linux/entry-kvm.h index 136b8d97d8c0..0d7865a0731c 100644 --- a/include/linux/entry-kvm.h +++ b/include/linux/entry-kvm.h @@ -2,7 +2,11 @@ #ifndef __LINUX_ENTRYKVM_H #define __LINUX_ENTRYKVM_H -#include <linux/entry-common.h> +#include <linux/static_call_types.h> +#include <linux/tracehook.h> +#include <linux/syscalls.h> +#include <linux/seccomp.h> +#include <linux/sched.h> #include <linux/tick.h> /* Transfer to guest mode work */ diff --git a/include/linux/filter.h b/include/linux/filter.h index 472f97074da0..83b896044e79 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -73,6 +73,11 @@ struct ctl_table_header; /* unused opcode to mark call to interpreter with arguments */ #define BPF_CALL_ARGS 0xe0 +/* unused opcode to mark speculation barrier for mitigating + * Speculative Store Bypass + */ +#define BPF_NOSPEC 0xc0 + /* As per nm, we expose JITed images as text (code) section for * kallsyms. That way, tools like perf can find it to match * addresses. @@ -390,6 +395,16 @@ static inline bool insn_is_zext(const struct bpf_insn *insn) .off = 0, \ .imm = 0 }) +/* Speculation barrier */ + +#define BPF_ST_NOSPEC() \ + ((struct bpf_insn) { \ + .code = BPF_ST | BPF_NOSPEC, \ + .dst_reg = 0, \ + .src_reg = 0, \ + .off = 0, \ + .imm = 0 }) + /* Internal classic blocks for direct assignment */ #define __BPF_STMT(CODE, K) \ diff --git a/include/linux/fs_context.h b/include/linux/fs_context.h index e2bc16300c82..6b54982fc5f3 100644 --- a/include/linux/fs_context.h +++ b/include/linux/fs_context.h @@ -141,6 +141,7 @@ extern int vfs_get_tree(struct fs_context *fc); extern void put_fs_context(struct fs_context *fc); extern int vfs_parse_fs_param_source(struct fs_context *fc, struct fs_parameter *param); +extern void fc_drop_locked(struct fs_context *fc); /* * sget() wrappers to be called from the ->get_tree() op. diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 8c6e8e996c87..d9a606a9fc64 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -318,14 +318,16 @@ static inline void memcpy_to_page(struct page *page, size_t offset, VM_BUG_ON(offset + len > PAGE_SIZE); memcpy(to + offset, from, len); + flush_dcache_page(page); kunmap_local(to); } static inline void memzero_page(struct page *page, size_t offset, size_t len) { - char *addr = kmap_atomic(page); + char *addr = kmap_local_page(page); memset(addr + offset, 0, len); - kunmap_atomic(addr); + flush_dcache_page(page); + kunmap_local(addr); } #endif /* _LINUX_HIGHMEM_H */ diff --git a/include/linux/intel-ish-client-if.h b/include/linux/intel-ish-client-if.h index 25e2b4e80502..aee8ff4739b1 100644 --- a/include/linux/intel-ish-client-if.h +++ b/include/linux/intel-ish-client-if.h @@ -81,6 +81,8 @@ int ishtp_register_event_cb(struct ishtp_cl_device *device, /* Get the device * from ishtp device instance */ struct device *ishtp_device(struct ishtp_cl_device *cl_device); +/* wait for IPC resume */ +bool ishtp_wait_resume(struct ishtp_device *dev); /* Trace interface for clients */ ishtp_print_log ishtp_trace_callback(struct ishtp_cl_device *cl_device); /* Get device pointer of PCI device for DMA acces */ diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index c177789a8542..041ca7f15ea4 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -872,7 +872,6 @@ void kvm_release_pfn_clean(kvm_pfn_t pfn); void kvm_release_pfn_dirty(kvm_pfn_t pfn); void kvm_set_pfn_dirty(kvm_pfn_t pfn); void kvm_set_pfn_accessed(kvm_pfn_t pfn); -void kvm_get_pfn(kvm_pfn_t pfn); void kvm_release_pfn(kvm_pfn_t pfn, bool dirty, struct gfn_to_pfn_cache *cache); int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset, diff --git a/include/linux/memblock.h b/include/linux/memblock.h index cbf46f56d105..4a53c3ca86bd 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -209,7 +209,7 @@ static inline void __next_physmem_range(u64 *idx, struct memblock_type *type, */ #define for_each_mem_range(i, p_start, p_end) \ __for_each_mem_range(i, &memblock.memory, NULL, NUMA_NO_NODE, \ - MEMBLOCK_NONE, p_start, p_end, NULL) + MEMBLOCK_HOTPLUG, p_start, p_end, NULL) /** * for_each_mem_range_rev - reverse iterate through memblock areas from @@ -220,7 +220,7 @@ static inline void __next_physmem_range(u64 *idx, struct memblock_type *type, */ #define for_each_mem_range_rev(i, p_start, p_end) \ __for_each_mem_range_rev(i, &memblock.memory, NULL, NUMA_NO_NODE, \ - MEMBLOCK_NONE, p_start, p_end, NULL) + MEMBLOCK_HOTPLUG, p_start, p_end, NULL) /** * for_each_reserved_mem_range - iterate over all reserved memblock areas diff --git a/include/linux/mfd/rt5033-private.h b/include/linux/mfd/rt5033-private.h index 2d1895c3efbf..40a0c2dfb80f 100644 --- a/include/linux/mfd/rt5033-private.h +++ b/include/linux/mfd/rt5033-private.h @@ -200,13 +200,13 @@ enum rt5033_reg { #define RT5033_REGULATOR_BUCK_VOLTAGE_MIN 1000000U #define RT5033_REGULATOR_BUCK_VOLTAGE_MAX 3000000U #define RT5033_REGULATOR_BUCK_VOLTAGE_STEP 100000U -#define RT5033_REGULATOR_BUCK_VOLTAGE_STEP_NUM 32 +#define RT5033_REGULATOR_BUCK_VOLTAGE_STEP_NUM 21 /* RT5033 regulator LDO output voltage uV */ #define RT5033_REGULATOR_LDO_VOLTAGE_MIN 1200000U #define RT5033_REGULATOR_LDO_VOLTAGE_MAX 3000000U #define RT5033_REGULATOR_LDO_VOLTAGE_STEP 100000U -#define RT5033_REGULATOR_LDO_VOLTAGE_STEP_NUM 32 +#define RT5033_REGULATOR_LDO_VOLTAGE_STEP_NUM 19 /* RT5033 regulator SAFE LDO output voltage uV */ #define RT5033_REGULATOR_SAFE_LDO_VOLTAGE 4900000U diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 5922031ffab6..1ace27c4a8e0 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -633,43 +633,6 @@ static inline int PageTransCompound(struct page *page) } /* - * PageTransCompoundMap is the same as PageTransCompound, but it also - * guarantees the primary MMU has the entire compound page mapped - * through pmd_trans_huge, which in turn guarantees the secondary MMUs - * can also map the entire compound page. This allows the secondary - * MMUs to call get_user_pages() only once for each compound page and - * to immediately map the entire compound page with a single secondary - * MMU fault. If there will be a pmd split later, the secondary MMUs - * will get an update through the MMU notifier invalidation through - * split_huge_pmd(). - * - * Unlike PageTransCompound, this is safe to be called only while - * split_huge_pmd() cannot run from under us, like if protected by the - * MMU notifier, otherwise it may result in page->_mapcount check false - * positives. - * - * We have to treat page cache THP differently since every subpage of it - * would get _mapcount inc'ed once it is PMD mapped. But, it may be PTE - * mapped in the current process so comparing subpage's _mapcount to - * compound_mapcount to filter out PTE mapped case. - */ -static inline int PageTransCompoundMap(struct page *page) -{ - struct page *head; - - if (!PageTransCompound(page)) - return 0; - - if (PageAnon(page)) - return atomic_read(&page->_mapcount) < 0; - - head = compound_head(page); - /* File THP is PMD mapped and not PTE mapped */ - return atomic_read(&page->_mapcount) == - atomic_read(compound_mapcount_ptr(head)); -} - -/* * PageTransTail returns true for both transparent huge pages * and hugetlbfs pages, so it should only be called when it's known * that hugetlbfs pages aren't involved. diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index d147480cdefc..e24d2c992b11 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -1397,34 +1397,10 @@ static inline int p4d_clear_huge(p4d_t *p4d) } #endif /* !__PAGETABLE_P4D_FOLDED */ -#ifndef __PAGETABLE_PUD_FOLDED int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot); -int pud_clear_huge(pud_t *pud); -#else -static inline int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot) -{ - return 0; -} -static inline int pud_clear_huge(pud_t *pud) -{ - return 0; -} -#endif /* !__PAGETABLE_PUD_FOLDED */ - -#ifndef __PAGETABLE_PMD_FOLDED int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t prot); +int pud_clear_huge(pud_t *pud); int pmd_clear_huge(pmd_t *pmd); -#else -static inline int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t prot) -{ - return 0; -} -static inline int pmd_clear_huge(pmd_t *pmd) -{ - return 0; -} -#endif /* !__PAGETABLE_PMD_FOLDED */ - int p4d_free_pud_page(p4d_t *p4d, unsigned long addr); int pud_free_pmd_page(pud_t *pud, unsigned long addr); int pmd_free_pte_page(pmd_t *pmd, unsigned long addr); diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h index 96f319099744..14ab0c0bc924 100644 --- a/include/linux/skmsg.h +++ b/include/linux/skmsg.h @@ -285,11 +285,45 @@ static inline struct sk_psock *sk_psock(const struct sock *sk) return rcu_dereference_sk_user_data(sk); } +static inline void sk_psock_set_state(struct sk_psock *psock, + enum sk_psock_state_bits bit) +{ + set_bit(bit, &psock->state); +} + +static inline void sk_psock_clear_state(struct sk_psock *psock, + enum sk_psock_state_bits bit) +{ + clear_bit(bit, &psock->state); +} + +static inline bool sk_psock_test_state(const struct sk_psock *psock, + enum sk_psock_state_bits bit) +{ + return test_bit(bit, &psock->state); +} + +static inline void sock_drop(struct sock *sk, struct sk_buff *skb) +{ + sk_drops_add(sk, skb); + kfree_skb(skb); +} + +static inline void drop_sk_msg(struct sk_psock *psock, struct sk_msg *msg) +{ + if (msg->skb) + sock_drop(psock->sk, msg->skb); + kfree(msg); +} + static inline void sk_psock_queue_msg(struct sk_psock *psock, struct sk_msg *msg) { spin_lock_bh(&psock->ingress_lock); - list_add_tail(&msg->list, &psock->ingress_msg); + if (sk_psock_test_state(psock, SK_PSOCK_TX_ENABLED)) + list_add_tail(&msg->list, &psock->ingress_msg); + else + drop_sk_msg(psock, msg); spin_unlock_bh(&psock->ingress_lock); } @@ -406,24 +440,6 @@ static inline void sk_psock_restore_proto(struct sock *sk, psock->psock_update_sk_prot(sk, psock, true); } -static inline void sk_psock_set_state(struct sk_psock *psock, - enum sk_psock_state_bits bit) -{ - set_bit(bit, &psock->state); -} - -static inline void sk_psock_clear_state(struct sk_psock *psock, - enum sk_psock_state_bits bit) -{ - clear_bit(bit, &psock->state); -} - -static inline bool sk_psock_test_state(const struct sk_psock *psock, - enum sk_psock_state_bits bit) -{ - return test_bit(bit, &psock->state); -} - static inline struct sk_psock *sk_psock_get(struct sock *sk) { struct sk_psock *psock; diff --git a/include/net/llc_pdu.h b/include/net/llc_pdu.h index c0f0a13ed818..49aa79c7b278 100644 --- a/include/net/llc_pdu.h +++ b/include/net/llc_pdu.h @@ -15,9 +15,11 @@ #include <linux/if_ether.h> /* Lengths of frame formats */ -#define LLC_PDU_LEN_I 4 /* header and 2 control bytes */ -#define LLC_PDU_LEN_S 4 -#define LLC_PDU_LEN_U 3 /* header and 1 control byte */ +#define LLC_PDU_LEN_I 4 /* header and 2 control bytes */ +#define LLC_PDU_LEN_S 4 +#define LLC_PDU_LEN_U 3 /* header and 1 control byte */ +/* header and 1 control byte and XID info */ +#define LLC_PDU_LEN_U_XID (LLC_PDU_LEN_U + sizeof(struct llc_xid_info)) /* Known SAP addresses */ #define LLC_GLOBAL_SAP 0xFF #define LLC_NULL_SAP 0x00 /* not network-layer visible */ @@ -50,9 +52,10 @@ #define LLC_PDU_TYPE_U_MASK 0x03 /* 8-bit control field */ #define LLC_PDU_TYPE_MASK 0x03 -#define LLC_PDU_TYPE_I 0 /* first bit */ -#define LLC_PDU_TYPE_S 1 /* first two bits */ -#define LLC_PDU_TYPE_U 3 /* first two bits */ +#define LLC_PDU_TYPE_I 0 /* first bit */ +#define LLC_PDU_TYPE_S 1 /* first two bits */ +#define LLC_PDU_TYPE_U 3 /* first two bits */ +#define LLC_PDU_TYPE_U_XID 4 /* private type for detecting XID commands */ #define LLC_PDU_TYPE_IS_I(pdu) \ ((!(pdu->ctrl_1 & LLC_PDU_TYPE_I_MASK)) ? 1 : 0) @@ -230,9 +233,18 @@ static inline struct llc_pdu_un *llc_pdu_un_hdr(struct sk_buff *skb) static inline void llc_pdu_header_init(struct sk_buff *skb, u8 type, u8 ssap, u8 dsap, u8 cr) { - const int hlen = type == LLC_PDU_TYPE_U ? 3 : 4; + int hlen = 4; /* default value for I and S types */ struct llc_pdu_un *pdu; + switch (type) { + case LLC_PDU_TYPE_U: + hlen = 3; + break; + case LLC_PDU_TYPE_U_XID: + hlen = 6; + break; + } + skb_push(skb, hlen); skb_reset_network_header(skb); pdu = llc_pdu_un_hdr(skb); @@ -374,7 +386,10 @@ static inline void llc_pdu_init_as_xid_cmd(struct sk_buff *skb, xid_info->fmt_id = LLC_XID_FMT_ID; /* 0x81 */ xid_info->type = svcs_supported; xid_info->rw = rx_window << 1; /* size of receive window */ - skb_put(skb, sizeof(struct llc_xid_info)); + + /* no need to push/put since llc_pdu_header_init() has already + * pushed 3 + 3 bytes + */ } /** diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 32fc4a309df5..651bba654d77 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -984,6 +984,7 @@ struct sctp_transport { } cacc; struct { + __u32 last_rtx_chunks; __u16 pmtu; __u16 probe_size; __u16 probe_high; @@ -1024,8 +1025,8 @@ bool sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu); void sctp_transport_immediate_rtx(struct sctp_transport *); void sctp_transport_dst_release(struct sctp_transport *t); void sctp_transport_dst_confirm(struct sctp_transport *t); -void sctp_transport_pl_send(struct sctp_transport *t); -void sctp_transport_pl_recv(struct sctp_transport *t); +bool sctp_transport_pl_send(struct sctp_transport *t); +bool sctp_transport_pl_recv(struct sctp_transport *t); /* This is the structure we use to queue packets as they come into diff --git a/include/net/tcp.h b/include/net/tcp.h index 17df9b047ee4..784d5c3ef1c5 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1709,7 +1709,6 @@ struct tcp_fastopen_context { struct rcu_head rcu; }; -extern unsigned int sysctl_tcp_fastopen_blackhole_timeout; void tcp_fastopen_active_disable(struct sock *sk); bool tcp_fastopen_active_should_disable(struct sock *sk); void tcp_fastopen_active_disable_ofo_check(struct sock *sk); diff --git a/include/sound/soc.h b/include/sound/soc.h index 675849d07284..8e6dd8a257c5 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -712,6 +712,12 @@ struct snd_soc_dai_link { /* Do not create a PCM for this DAI link (Backend link) */ unsigned int ignore:1; + /* This flag will reorder stop sequence. By enabling this flag + * DMA controller stop sequence will be invoked first followed by + * CPU DAI driver stop sequence + */ + unsigned int stop_dma_first:1; + #ifdef CONFIG_SND_SOC_TOPOLOGY struct snd_soc_dobj dobj; /* For topology */ #endif diff --git a/include/trace/events/afs.h b/include/trace/events/afs.h index 3ccf591b2374..9f73ed2cf061 100644 --- a/include/trace/events/afs.h +++ b/include/trace/events/afs.h @@ -174,6 +174,34 @@ enum afs_vl_operation { afs_VL_GetCapabilities = 65537, /* AFS Get VL server capabilities */ }; +enum afs_cm_operation { + afs_CB_CallBack = 204, /* AFS break callback promises */ + afs_CB_InitCallBackState = 205, /* AFS initialise callback state */ + afs_CB_Probe = 206, /* AFS probe client */ + afs_CB_GetLock = 207, /* AFS get contents of CM lock table */ + afs_CB_GetCE = 208, /* AFS get cache file description */ + afs_CB_GetXStatsVersion = 209, /* AFS get version of extended statistics */ + afs_CB_GetXStats = 210, /* AFS get contents of extended statistics data */ + afs_CB_InitCallBackState3 = 213, /* AFS initialise callback state, version 3 */ + afs_CB_ProbeUuid = 214, /* AFS check the client hasn't rebooted */ +}; + +enum yfs_cm_operation { + yfs_CB_Probe = 206, /* YFS probe client */ + yfs_CB_GetLock = 207, /* YFS get contents of CM lock table */ + yfs_CB_XStatsVersion = 209, /* YFS get version of extended statistics */ + yfs_CB_GetXStats = 210, /* YFS get contents of extended statistics data */ + yfs_CB_InitCallBackState3 = 213, /* YFS initialise callback state, version 3 */ + yfs_CB_ProbeUuid = 214, /* YFS check the client hasn't rebooted */ + yfs_CB_GetServerPrefs = 215, + yfs_CB_GetCellServDV = 216, + yfs_CB_GetLocalCell = 217, + yfs_CB_GetCacheConfig = 218, + yfs_CB_GetCellByNum = 65537, + yfs_CB_TellMeAboutYourself = 65538, /* get client capabilities */ + yfs_CB_CallBack = 64204, +}; + enum afs_edit_dir_op { afs_edit_dir_create, afs_edit_dir_create_error, @@ -436,6 +464,32 @@ enum afs_cb_break_reason { EM(afs_YFSVL_GetCellName, "YFSVL.GetCellName") \ E_(afs_VL_GetCapabilities, "VL.GetCapabilities") +#define afs_cm_operations \ + EM(afs_CB_CallBack, "CB.CallBack") \ + EM(afs_CB_InitCallBackState, "CB.InitCallBackState") \ + EM(afs_CB_Probe, "CB.Probe") \ + EM(afs_CB_GetLock, "CB.GetLock") \ + EM(afs_CB_GetCE, "CB.GetCE") \ + EM(afs_CB_GetXStatsVersion, "CB.GetXStatsVersion") \ + EM(afs_CB_GetXStats, "CB.GetXStats") \ + EM(afs_CB_InitCallBackState3, "CB.InitCallBackState3") \ + E_(afs_CB_ProbeUuid, "CB.ProbeUuid") + +#define yfs_cm_operations \ + EM(yfs_CB_Probe, "YFSCB.Probe") \ + EM(yfs_CB_GetLock, "YFSCB.GetLock") \ + EM(yfs_CB_XStatsVersion, "YFSCB.XStatsVersion") \ + EM(yfs_CB_GetXStats, "YFSCB.GetXStats") \ + EM(yfs_CB_InitCallBackState3, "YFSCB.InitCallBackState3") \ + EM(yfs_CB_ProbeUuid, "YFSCB.ProbeUuid") \ + EM(yfs_CB_GetServerPrefs, "YFSCB.GetServerPrefs") \ + EM(yfs_CB_GetCellServDV, "YFSCB.GetCellServDV") \ + EM(yfs_CB_GetLocalCell, "YFSCB.GetLocalCell") \ + EM(yfs_CB_GetCacheConfig, "YFSCB.GetCacheConfig") \ + EM(yfs_CB_GetCellByNum, "YFSCB.GetCellByNum") \ + EM(yfs_CB_TellMeAboutYourself, "YFSCB.TellMeAboutYourself") \ + E_(yfs_CB_CallBack, "YFSCB.CallBack") + #define afs_edit_dir_ops \ EM(afs_edit_dir_create, "create") \ EM(afs_edit_dir_create_error, "c_fail") \ @@ -569,6 +623,8 @@ afs_server_traces; afs_cell_traces; afs_fs_operations; afs_vl_operations; +afs_cm_operations; +yfs_cm_operations; afs_edit_dir_ops; afs_edit_dir_reasons; afs_eproto_causes; @@ -649,20 +705,21 @@ TRACE_EVENT(afs_cb_call, TP_STRUCT__entry( __field(unsigned int, call ) - __field(const char *, name ) __field(u32, op ) + __field(u16, service_id ) ), TP_fast_assign( __entry->call = call->debug_id; - __entry->name = call->type->name; __entry->op = call->operation_ID; + __entry->service_id = call->service_id; ), - TP_printk("c=%08x %s o=%u", + TP_printk("c=%08x %s", __entry->call, - __entry->name, - __entry->op) + __entry->service_id == 2501 ? + __print_symbolic(__entry->op, yfs_cm_operations) : + __print_symbolic(__entry->op, afs_cm_operations)) ); TRACE_EVENT(afs_call, diff --git a/include/trace/events/net.h b/include/trace/events/net.h index 2399073c3afc..78c448c6ab4c 100644 --- a/include/trace/events/net.h +++ b/include/trace/events/net.h @@ -136,7 +136,7 @@ DECLARE_EVENT_CLASS(net_dev_template, __assign_str(name, skb->dev->name); ), - TP_printk("dev=%s skbaddr=%p len=%u", + TP_printk("dev=%s skbaddr=%px len=%u", __get_str(name), __entry->skbaddr, __entry->len) ) diff --git a/include/trace/events/qdisc.h b/include/trace/events/qdisc.h index 330d32d84485..c3006c6b4a87 100644 --- a/include/trace/events/qdisc.h +++ b/include/trace/events/qdisc.h @@ -41,11 +41,37 @@ TRACE_EVENT(qdisc_dequeue, __entry->txq_state = txq->state; ), - TP_printk("dequeue ifindex=%d qdisc handle=0x%X parent=0x%X txq_state=0x%lX packets=%d skbaddr=%p", + TP_printk("dequeue ifindex=%d qdisc handle=0x%X parent=0x%X txq_state=0x%lX packets=%d skbaddr=%px", __entry->ifindex, __entry->handle, __entry->parent, __entry->txq_state, __entry->packets, __entry->skbaddr ) ); +TRACE_EVENT(qdisc_enqueue, + + TP_PROTO(struct Qdisc *qdisc, const struct netdev_queue *txq, struct sk_buff *skb), + + TP_ARGS(qdisc, txq, skb), + + TP_STRUCT__entry( + __field(struct Qdisc *, qdisc) + __field(void *, skbaddr) + __field(int, ifindex) + __field(u32, handle) + __field(u32, parent) + ), + + TP_fast_assign( + __entry->qdisc = qdisc; + __entry->skbaddr = skb; + __entry->ifindex = txq->dev ? txq->dev->ifindex : 0; + __entry->handle = qdisc->handle; + __entry->parent = qdisc->parent; + ), + + TP_printk("enqueue ifindex=%d qdisc handle=0x%X parent=0x%X skbaddr=%px", + __entry->ifindex, __entry->handle, __entry->parent, __entry->skbaddr) +); + TRACE_EVENT(qdisc_reset, TP_PROTO(struct Qdisc *q), diff --git a/include/uapi/linux/idxd.h b/include/uapi/linux/idxd.h index e33997b4d750..edc346a77c91 100644 --- a/include/uapi/linux/idxd.h +++ b/include/uapi/linux/idxd.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* SPDX-License-Identifier: LGPL-2.1 WITH Linux-syscall-note */ /* Copyright(c) 2019 Intel Corporation. All rights rsvd. */ #ifndef _USR_IDXD_H_ #define _USR_IDXD_H_ diff --git a/include/uapi/rdma/irdma-abi.h b/include/uapi/rdma/irdma-abi.h index 26b638a7ad97..a7085e092d34 100644 --- a/include/uapi/rdma/irdma-abi.h +++ b/include/uapi/rdma/irdma-abi.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ +/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB */ /* * Copyright (c) 2006 - 2021 Intel Corporation. All rights reserved. * Copyright (c) 2005 Topspin Communications. All rights reserved. diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 9b1577498373..b1a5fc04492b 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -32,6 +32,8 @@ #include <linux/perf_event.h> #include <linux/extable.h> #include <linux/log2.h> + +#include <asm/barrier.h> #include <asm/unaligned.h> /* Registers */ @@ -1377,6 +1379,7 @@ static u64 ___bpf_prog_run(u64 *regs, const struct bpf_insn *insn) /* Non-UAPI available opcodes. */ [BPF_JMP | BPF_CALL_ARGS] = &&JMP_CALL_ARGS, [BPF_JMP | BPF_TAIL_CALL] = &&JMP_TAIL_CALL, + [BPF_ST | BPF_NOSPEC] = &&ST_NOSPEC, [BPF_LDX | BPF_PROBE_MEM | BPF_B] = &&LDX_PROBE_MEM_B, [BPF_LDX | BPF_PROBE_MEM | BPF_H] = &&LDX_PROBE_MEM_H, [BPF_LDX | BPF_PROBE_MEM | BPF_W] = &&LDX_PROBE_MEM_W, @@ -1621,7 +1624,21 @@ out: COND_JMP(s, JSGE, >=) COND_JMP(s, JSLE, <=) #undef COND_JMP - /* STX and ST and LDX*/ + /* ST, STX and LDX*/ + ST_NOSPEC: + /* Speculation barrier for mitigating Speculative Store Bypass. + * In case of arm64, we rely on the firmware mitigation as + * controlled via the ssbd kernel parameter. Whenever the + * mitigation is enabled, it works for all of the kernel code + * with no need to provide any additional instructions here. + * In case of x86, we use 'lfence' insn for mitigation. We + * reuse preexisting logic from Spectre v1 mitigation that + * happens to produce the required code on x86 for v4 as well. + */ +#ifdef CONFIG_X86 + barrier_nospec(); +#endif + CONT; #define LDST(SIZEOP, SIZE) \ STX_MEM_##SIZEOP: \ *(SIZE *)(unsigned long) (DST + insn->off) = SRC; \ diff --git a/kernel/bpf/disasm.c b/kernel/bpf/disasm.c index bbfc6bb79240..ca3cd9aaa6ce 100644 --- a/kernel/bpf/disasm.c +++ b/kernel/bpf/disasm.c @@ -206,15 +206,17 @@ void print_bpf_insn(const struct bpf_insn_cbs *cbs, verbose(cbs->private_data, "BUG_%02x\n", insn->code); } } else if (class == BPF_ST) { - if (BPF_MODE(insn->code) != BPF_MEM) { + if (BPF_MODE(insn->code) == BPF_MEM) { + verbose(cbs->private_data, "(%02x) *(%s *)(r%d %+d) = %d\n", + insn->code, + bpf_ldst_string[BPF_SIZE(insn->code) >> 3], + insn->dst_reg, + insn->off, insn->imm); + } else if (BPF_MODE(insn->code) == 0xc0 /* BPF_NOSPEC, no UAPI */) { + verbose(cbs->private_data, "(%02x) nospec\n", insn->code); + } else { verbose(cbs->private_data, "BUG_st_%02x\n", insn->code); - return; } - verbose(cbs->private_data, "(%02x) *(%s *)(r%d %+d) = %d\n", - insn->code, - bpf_ldst_string[BPF_SIZE(insn->code) >> 3], - insn->dst_reg, - insn->off, insn->imm); } else if (class == BPF_LDX) { if (BPF_MODE(insn->code) != BPF_MEM) { verbose(cbs->private_data, "BUG_ldx_%02x\n", insn->code); diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 42a4063de7cd..f9bda5476ea5 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -2610,6 +2610,19 @@ static int check_stack_write_fixed_off(struct bpf_verifier_env *env, cur = env->cur_state->frame[env->cur_state->curframe]; if (value_regno >= 0) reg = &cur->regs[value_regno]; + if (!env->bypass_spec_v4) { + bool sanitize = reg && is_spillable_regtype(reg->type); + + for (i = 0; i < size; i++) { + if (state->stack[spi].slot_type[i] == STACK_INVALID) { + sanitize = true; + break; + } + } + + if (sanitize) + env->insn_aux_data[insn_idx].sanitize_stack_spill = true; + } if (reg && size == BPF_REG_SIZE && register_is_bounded(reg) && !register_is_null(reg) && env->bpf_capable) { @@ -2632,47 +2645,10 @@ static int check_stack_write_fixed_off(struct bpf_verifier_env *env, verbose(env, "invalid size of register spill\n"); return -EACCES; } - if (state != cur && reg->type == PTR_TO_STACK) { verbose(env, "cannot spill pointers to stack into stack frame of the caller\n"); return -EINVAL; } - - if (!env->bypass_spec_v4) { - bool sanitize = false; - - if (state->stack[spi].slot_type[0] == STACK_SPILL && - register_is_const(&state->stack[spi].spilled_ptr)) - sanitize = true; - for (i = 0; i < BPF_REG_SIZE; i++) - if (state->stack[spi].slot_type[i] == STACK_MISC) { - sanitize = true; - break; - } - if (sanitize) { - int *poff = &env->insn_aux_data[insn_idx].sanitize_stack_off; - int soff = (-spi - 1) * BPF_REG_SIZE; - - /* detected reuse of integer stack slot with a pointer - * which means either llvm is reusing stack slot or - * an attacker is trying to exploit CVE-2018-3639 - * (speculative store bypass) - * Have to sanitize that slot with preemptive - * store of zero. - */ - if (*poff && *poff != soff) { - /* disallow programs where single insn stores - * into two different stack slots, since verifier - * cannot sanitize them - */ - verbose(env, - "insn %d cannot access two stack slots fp%d and fp%d", - insn_idx, *poff, soff); - return -EINVAL; - } - *poff = soff; - } - } save_register_state(state, spi, reg); } else { u8 type = STACK_MISC; @@ -3677,6 +3653,8 @@ continue_func: if (tail_call_reachable) for (j = 0; j < frame; j++) subprog[ret_prog[j]].tail_call_reachable = true; + if (subprog[0].tail_call_reachable) + env->prog->aux->tail_call_reachable = true; /* end of for() loop means the last insn of the 'subprog' * was reached. Doesn't matter whether it was JA or EXIT @@ -6559,6 +6537,12 @@ static int sanitize_ptr_alu(struct bpf_verifier_env *env, alu_state |= off_is_imm ? BPF_ALU_IMMEDIATE : 0; alu_state |= ptr_is_dst_reg ? BPF_ALU_SANITIZE_SRC : BPF_ALU_SANITIZE_DST; + + /* Limit pruning on unknown scalars to enable deep search for + * potential masking differences from other program paths. + */ + if (!off_is_imm) + env->explore_alu_limits = true; } err = update_alu_sanitation_state(aux, alu_state, alu_limit); @@ -9934,8 +9918,8 @@ next: } /* Returns true if (rold safe implies rcur safe) */ -static bool regsafe(struct bpf_reg_state *rold, struct bpf_reg_state *rcur, - struct bpf_id_pair *idmap) +static bool regsafe(struct bpf_verifier_env *env, struct bpf_reg_state *rold, + struct bpf_reg_state *rcur, struct bpf_id_pair *idmap) { bool equal; @@ -9961,6 +9945,8 @@ static bool regsafe(struct bpf_reg_state *rold, struct bpf_reg_state *rcur, return false; switch (rold->type) { case SCALAR_VALUE: + if (env->explore_alu_limits) + return false; if (rcur->type == SCALAR_VALUE) { if (!rold->precise && !rcur->precise) return true; @@ -10051,9 +10037,8 @@ static bool regsafe(struct bpf_reg_state *rold, struct bpf_reg_state *rcur, return false; } -static bool stacksafe(struct bpf_func_state *old, - struct bpf_func_state *cur, - struct bpf_id_pair *idmap) +static bool stacksafe(struct bpf_verifier_env *env, struct bpf_func_state *old, + struct bpf_func_state *cur, struct bpf_id_pair *idmap) { int i, spi; @@ -10098,9 +10083,8 @@ static bool stacksafe(struct bpf_func_state *old, continue; if (old->stack[spi].slot_type[0] != STACK_SPILL) continue; - if (!regsafe(&old->stack[spi].spilled_ptr, - &cur->stack[spi].spilled_ptr, - idmap)) + if (!regsafe(env, &old->stack[spi].spilled_ptr, + &cur->stack[spi].spilled_ptr, idmap)) /* when explored and current stack slot are both storing * spilled registers, check that stored pointers types * are the same as well. @@ -10157,10 +10141,11 @@ static bool func_states_equal(struct bpf_verifier_env *env, struct bpf_func_stat memset(env->idmap_scratch, 0, sizeof(env->idmap_scratch)); for (i = 0; i < MAX_BPF_REG; i++) - if (!regsafe(&old->regs[i], &cur->regs[i], env->idmap_scratch)) + if (!regsafe(env, &old->regs[i], &cur->regs[i], + env->idmap_scratch)) return false; - if (!stacksafe(old, cur, env->idmap_scratch)) + if (!stacksafe(env, old, cur, env->idmap_scratch)) return false; if (!refsafe(old, cur)) @@ -11904,35 +11889,33 @@ static int convert_ctx_accesses(struct bpf_verifier_env *env) for (i = 0; i < insn_cnt; i++, insn++) { bpf_convert_ctx_access_t convert_ctx_access; + bool ctx_access; if (insn->code == (BPF_LDX | BPF_MEM | BPF_B) || insn->code == (BPF_LDX | BPF_MEM | BPF_H) || insn->code == (BPF_LDX | BPF_MEM | BPF_W) || - insn->code == (BPF_LDX | BPF_MEM | BPF_DW)) + insn->code == (BPF_LDX | BPF_MEM | BPF_DW)) { type = BPF_READ; - else if (insn->code == (BPF_STX | BPF_MEM | BPF_B) || - insn->code == (BPF_STX | BPF_MEM | BPF_H) || - insn->code == (BPF_STX | BPF_MEM | BPF_W) || - insn->code == (BPF_STX | BPF_MEM | BPF_DW)) + ctx_access = true; + } else if (insn->code == (BPF_STX | BPF_MEM | BPF_B) || + insn->code == (BPF_STX | BPF_MEM | BPF_H) || + insn->code == (BPF_STX | BPF_MEM | BPF_W) || + insn->code == (BPF_STX | BPF_MEM | BPF_DW) || + insn->code == (BPF_ST | BPF_MEM | BPF_B) || + insn->code == (BPF_ST | BPF_MEM | BPF_H) || + insn->code == (BPF_ST | BPF_MEM | BPF_W) || + insn->code == (BPF_ST | BPF_MEM | BPF_DW)) { type = BPF_WRITE; - else + ctx_access = BPF_CLASS(insn->code) == BPF_STX; + } else { continue; + } if (type == BPF_WRITE && - env->insn_aux_data[i + delta].sanitize_stack_off) { + env->insn_aux_data[i + delta].sanitize_stack_spill) { struct bpf_insn patch[] = { - /* Sanitize suspicious stack slot with zero. - * There are no memory dependencies for this store, - * since it's only using frame pointer and immediate - * constant of zero - */ - BPF_ST_MEM(BPF_DW, BPF_REG_FP, - env->insn_aux_data[i + delta].sanitize_stack_off, - 0), - /* the original STX instruction will immediately - * overwrite the same stack slot with appropriate value - */ *insn, + BPF_ST_NOSPEC(), }; cnt = ARRAY_SIZE(patch); @@ -11946,6 +11929,9 @@ static int convert_ctx_accesses(struct bpf_verifier_env *env) continue; } + if (!ctx_access) + continue; + switch (env->insn_aux_data[i + delta].ptr_type) { case PTR_TO_CTX: if (!ops->convert_ctx_access) @@ -12750,37 +12736,6 @@ static void free_states(struct bpf_verifier_env *env) } } -/* The verifier is using insn_aux_data[] to store temporary data during - * verification and to store information for passes that run after the - * verification like dead code sanitization. do_check_common() for subprogram N - * may analyze many other subprograms. sanitize_insn_aux_data() clears all - * temporary data after do_check_common() finds that subprogram N cannot be - * verified independently. pass_cnt counts the number of times - * do_check_common() was run and insn->aux->seen tells the pass number - * insn_aux_data was touched. These variables are compared to clear temporary - * data from failed pass. For testing and experiments do_check_common() can be - * run multiple times even when prior attempt to verify is unsuccessful. - * - * Note that special handling is needed on !env->bypass_spec_v1 if this is - * ever called outside of error path with subsequent program rejection. - */ -static void sanitize_insn_aux_data(struct bpf_verifier_env *env) -{ - struct bpf_insn *insn = env->prog->insnsi; - struct bpf_insn_aux_data *aux; - int i, class; - - for (i = 0; i < env->prog->len; i++) { - class = BPF_CLASS(insn[i].code); - if (class != BPF_LDX && class != BPF_STX) - continue; - aux = &env->insn_aux_data[i]; - if (aux->seen != env->pass_cnt) - continue; - memset(aux, 0, offsetof(typeof(*aux), orig_idx)); - } -} - static int do_check_common(struct bpf_verifier_env *env, int subprog) { bool pop_log = !(env->log.level & BPF_LOG_LEVEL2); @@ -12857,9 +12812,6 @@ out: if (!ret && pop_log) bpf_vlog_reset(&env->log, 0); free_states(env); - if (ret) - /* clean aux data in case subprog was rejected */ - sanitize_insn_aux_data(env); return ret; } diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c index 8d6bf56ed77a..de2c432dee20 100644 --- a/kernel/cgroup/cgroup-v1.c +++ b/kernel/cgroup/cgroup-v1.c @@ -1221,9 +1221,7 @@ int cgroup1_get_tree(struct fs_context *fc) ret = cgroup_do_get_tree(fc); if (!ret && percpu_ref_is_dying(&ctx->root->cgrp.self.refcnt)) { - struct super_block *sb = fc->root->d_sb; - dput(fc->root); - deactivate_locked_super(sb); + fc_drop_locked(fc); ret = 1; } diff --git a/kernel/dma/ops_helpers.c b/kernel/dma/ops_helpers.c index 910ae69cae77..af4a6ef48ce0 100644 --- a/kernel/dma/ops_helpers.c +++ b/kernel/dma/ops_helpers.c @@ -5,6 +5,13 @@ */ #include <linux/dma-map-ops.h> +static struct page *dma_common_vaddr_to_page(void *cpu_addr) +{ + if (is_vmalloc_addr(cpu_addr)) + return vmalloc_to_page(cpu_addr); + return virt_to_page(cpu_addr); +} + /* * Create scatter-list for the already allocated DMA buffer. */ @@ -12,7 +19,7 @@ int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr, dma_addr_t dma_addr, size_t size, unsigned long attrs) { - struct page *page = virt_to_page(cpu_addr); + struct page *page = dma_common_vaddr_to_page(cpu_addr); int ret; ret = sg_alloc_table(sgt, 1, GFP_KERNEL); @@ -32,6 +39,7 @@ int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, unsigned long user_count = vma_pages(vma); unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT; unsigned long off = vma->vm_pgoff; + struct page *page = dma_common_vaddr_to_page(cpu_addr); int ret = -ENXIO; vma->vm_page_prot = dma_pgprot(dev, vma->vm_page_prot, attrs); @@ -43,7 +51,7 @@ int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, return -ENXIO; return remap_pfn_range(vma, vma->vm_start, - page_to_pfn(virt_to_page(cpu_addr)) + vma->vm_pgoff, + page_to_pfn(page) + vma->vm_pgoff, user_count << PAGE_SHIFT, vma->vm_page_prot); #else return -ENXIO; diff --git a/kernel/smpboot.c b/kernel/smpboot.c index e4163042c4d6..cf6acab78538 100644 --- a/kernel/smpboot.c +++ b/kernel/smpboot.c @@ -47,7 +47,7 @@ void __init idle_thread_set_boot_cpu(void) * * Creates the thread if it does not exist. */ -static inline void idle_init(unsigned int cpu) +static __always_inline void idle_init(unsigned int cpu) { struct task_struct *tsk = per_cpu(idle_threads, cpu); diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c index 29a5e54e6e10..517be7fd175e 100644 --- a/kernel/time/posix-cpu-timers.c +++ b/kernel/time/posix-cpu-timers.c @@ -991,6 +991,11 @@ static void posix_cpu_timer_rearm(struct k_itimer *timer) if (!p) goto out; + /* Protect timer list r/w in arm_timer() */ + sighand = lock_task_sighand(p, &flags); + if (unlikely(sighand == NULL)) + goto out; + /* * Fetch the current sample and update the timer's expiry time. */ @@ -1001,11 +1006,6 @@ static void posix_cpu_timer_rearm(struct k_itimer *timer) bump_cpu_timer(timer, now); - /* Protect timer list r/w in arm_timer() */ - sighand = lock_task_sighand(p, &flags); - if (unlikely(sighand == NULL)) - goto out; - /* * Now re-arm for the new expiry time. */ diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 3fadb58fc9d7..9eb11c2209e5 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -207,6 +207,7 @@ struct timer_base { unsigned int cpu; bool next_expiry_recalc; bool is_idle; + bool timers_pending; DECLARE_BITMAP(pending_map, WHEEL_SIZE); struct hlist_head vectors[WHEEL_SIZE]; } ____cacheline_aligned; @@ -595,6 +596,7 @@ static void enqueue_timer(struct timer_base *base, struct timer_list *timer, * can reevaluate the wheel: */ base->next_expiry = bucket_expiry; + base->timers_pending = true; base->next_expiry_recalc = false; trigger_dyntick_cpu(base, timer); } @@ -1582,6 +1584,7 @@ static unsigned long __next_timer_interrupt(struct timer_base *base) } base->next_expiry_recalc = false; + base->timers_pending = !(next == base->clk + NEXT_TIMER_MAX_DELTA); return next; } @@ -1633,7 +1636,6 @@ u64 get_next_timer_interrupt(unsigned long basej, u64 basem) struct timer_base *base = this_cpu_ptr(&timer_bases[BASE_STD]); u64 expires = KTIME_MAX; unsigned long nextevt; - bool is_max_delta; /* * Pretend that there is no timer pending if the cpu is offline. @@ -1646,7 +1648,6 @@ u64 get_next_timer_interrupt(unsigned long basej, u64 basem) if (base->next_expiry_recalc) base->next_expiry = __next_timer_interrupt(base); nextevt = base->next_expiry; - is_max_delta = (nextevt == base->clk + NEXT_TIMER_MAX_DELTA); /* * We have a fresh next event. Check whether we can forward the @@ -1664,7 +1665,7 @@ u64 get_next_timer_interrupt(unsigned long basej, u64 basem) expires = basem; base->is_idle = false; } else { - if (!is_max_delta) + if (base->timers_pending) expires = basem + (u64)(nextevt - basej) * TICK_NSEC; /* * If we expect to sleep more than a tick, mark the base idle. @@ -1947,6 +1948,7 @@ int timers_prepare_cpu(unsigned int cpu) base = per_cpu_ptr(&timer_bases[b], cpu); base->clk = jiffies; base->next_expiry = base->clk + NEXT_TIMER_MAX_DELTA; + base->timers_pending = false; base->is_idle = false; } return 0; diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index e6fb3e6e1ffc..7b180f61e6d3 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -5985,7 +5985,8 @@ ftrace_graph_release(struct inode *inode, struct file *file) * infrastructure to do the synchronization, thus we must do it * ourselves. */ - synchronize_rcu_tasks_rude(); + if (old_hash != EMPTY_HASH) + synchronize_rcu_tasks_rude(); free_ftrace_hash(old_hash); } @@ -7544,7 +7545,7 @@ int ftrace_is_dead(void) */ int register_ftrace_function(struct ftrace_ops *ops) { - int ret = -1; + int ret; ftrace_ops_init(ops); diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index d1463eac11a3..e592d1df6f88 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -3880,10 +3880,30 @@ static bool rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer) if (unlikely(!head)) return true; - return reader->read == rb_page_commit(reader) && - (commit == reader || - (commit == head && - head->read == rb_page_commit(commit))); + /* Reader should exhaust content in reader page */ + if (reader->read != rb_page_commit(reader)) + return false; + + /* + * If writers are committing on the reader page, knowing all + * committed content has been read, the ring buffer is empty. + */ + if (commit == reader) + return true; + + /* + * If writers are committing on a page other than reader page + * and head page, there should always be content to read. + */ + if (commit != head) + return false; + + /* + * Writers are committing on the head page, we just need + * to care about there're committed data, and the reader will + * swap reader page with head page when it is to read data. + */ + return rb_page_commit(commit) == 0; } /** diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index f8b80b5bab71..c59dd35a6da5 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5609,6 +5609,10 @@ static const char readme_msg[] = "\t [:name=histname1]\n" "\t [:<handler>.<action>]\n" "\t [if <filter>]\n\n" + "\t Note, special fields can be used as well:\n" + "\t common_timestamp - to record current timestamp\n" + "\t common_cpu - to record the CPU the event happened on\n" + "\n" "\t When a matching event is hit, an entry is added to a hash\n" "\t table using the key(s) and value(s) named, and the value of a\n" "\t sum called 'hitcount' is incremented. Keys and values\n" diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 16a9dfc9fffc..34325f41ebc0 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -1111,7 +1111,7 @@ static const char *hist_field_name(struct hist_field *field, field->flags & HIST_FIELD_FL_ALIAS) field_name = hist_field_name(field->operands[0], ++level); else if (field->flags & HIST_FIELD_FL_CPU) - field_name = "cpu"; + field_name = "common_cpu"; else if (field->flags & HIST_FIELD_FL_EXPR || field->flags & HIST_FIELD_FL_VAR_REF) { if (field->system) { @@ -1991,14 +1991,24 @@ parse_field(struct hist_trigger_data *hist_data, struct trace_event_file *file, hist_data->enable_timestamps = true; if (*flags & HIST_FIELD_FL_TIMESTAMP_USECS) hist_data->attrs->ts_in_usecs = true; - } else if (strcmp(field_name, "cpu") == 0) + } else if (strcmp(field_name, "common_cpu") == 0) *flags |= HIST_FIELD_FL_CPU; else { field = trace_find_event_field(file->event_call, field_name); if (!field || !field->size) { - hist_err(tr, HIST_ERR_FIELD_NOT_FOUND, errpos(field_name)); - field = ERR_PTR(-EINVAL); - goto out; + /* + * For backward compatibility, if field_name + * was "cpu", then we treat this the same as + * common_cpu. + */ + if (strcmp(field_name, "cpu") == 0) { + *flags |= HIST_FIELD_FL_CPU; + } else { + hist_err(tr, HIST_ERR_FIELD_NOT_FOUND, + errpos(field_name)); + field = ERR_PTR(-EINVAL); + goto out; + } } } out: @@ -5085,7 +5095,7 @@ static void hist_field_print(struct seq_file *m, struct hist_field *hist_field) seq_printf(m, "%s=", hist_field->var.name); if (hist_field->flags & HIST_FIELD_FL_CPU) - seq_puts(m, "cpu"); + seq_puts(m, "common_cpu"); else if (field_name) { if (hist_field->flags & HIST_FIELD_FL_VAR_REF || hist_field->flags & HIST_FIELD_FL_ALIAS) diff --git a/kernel/trace/trace_events_synth.c b/kernel/trace/trace_events_synth.c index 2ac75eb6aa86..9315fc03e303 100644 --- a/kernel/trace/trace_events_synth.c +++ b/kernel/trace/trace_events_synth.c @@ -893,15 +893,13 @@ static struct synth_event *alloc_synth_event(const char *name, int n_fields, dyn_event_init(&event->devent, &synth_event_ops); for (i = 0, j = 0; i < n_fields; i++) { + fields[i]->field_pos = i; event->fields[i] = fields[i]; - if (fields[i]->is_dynamic) { - event->dynamic_fields[j] = fields[i]; - event->dynamic_fields[j]->field_pos = i; + if (fields[i]->is_dynamic) event->dynamic_fields[j++] = fields[i]; - event->n_dynamic_fields++; - } } + event->n_dynamic_fields = j; event->n_fields = n_fields; out: return event; diff --git a/kernel/trace/trace_synth.h b/kernel/trace/trace_synth.h index 6e146b959dcd..4007fe95cf42 100644 --- a/kernel/trace/trace_synth.h +++ b/kernel/trace/trace_synth.h @@ -14,10 +14,10 @@ struct synth_field { char *name; size_t size; unsigned int offset; + unsigned int field_pos; bool is_signed; bool is_string; bool is_dynamic; - bool field_pos; }; struct synth_event { diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c index 976bf8ce8039..fc32821f8240 100644 --- a/kernel/tracepoint.c +++ b/kernel/tracepoint.c @@ -299,8 +299,8 @@ static int tracepoint_add_func(struct tracepoint *tp, * a pointer to it. This array is referenced by __DO_TRACE from * include/linux/tracepoint.h using rcu_dereference_sched(). */ - rcu_assign_pointer(tp->funcs, tp_funcs); tracepoint_update_call(tp, tp_funcs, false); + rcu_assign_pointer(tp->funcs, tp_funcs); static_key_enable(&tp->key); release_probes(old); diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 50142fc08902..f148eacda55a 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -3676,15 +3676,21 @@ static void pwq_unbound_release_workfn(struct work_struct *work) unbound_release_work); struct workqueue_struct *wq = pwq->wq; struct worker_pool *pool = pwq->pool; - bool is_last; + bool is_last = false; - if (WARN_ON_ONCE(!(wq->flags & WQ_UNBOUND))) - return; + /* + * when @pwq is not linked, it doesn't hold any reference to the + * @wq, and @wq is invalid to access. + */ + if (!list_empty(&pwq->pwqs_node)) { + if (WARN_ON_ONCE(!(wq->flags & WQ_UNBOUND))) + return; - mutex_lock(&wq->mutex); - list_del_rcu(&pwq->pwqs_node); - is_last = list_empty(&wq->pwqs); - mutex_unlock(&wq->mutex); + mutex_lock(&wq->mutex); + list_del_rcu(&pwq->pwqs_node); + is_last = list_empty(&wq->pwqs); + mutex_unlock(&wq->mutex); + } mutex_lock(&wq_pool_mutex); put_unbound_pool(pool); diff --git a/lib/Kconfig b/lib/Kconfig index d241fe476fda..5c9c0687f76d 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -683,9 +683,6 @@ config PARMAN config OBJAGG tristate "objagg" if COMPILE_TEST -config STRING_SELFTEST - tristate "Test string functions" - endmenu config GENERIC_IOREMAP diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 831212722924..5ddd575159fb 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -2180,6 +2180,9 @@ config ASYNC_RAID6_TEST config TEST_HEXDUMP tristate "Test functions located in the hexdump module at runtime" +config STRING_SELFTEST + tristate "Test string functions at runtime" + config TEST_STRING_HELPERS tristate "Test functions located in the string_helpers module at runtime" diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 271f2ca862c8..f5561ea7d90a 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -398,12 +398,12 @@ static void cgwb_release_workfn(struct work_struct *work) blkcg_unpin_online(blkcg); fprop_local_destroy_percpu(&wb->memcg_completions); - percpu_ref_exit(&wb->refcnt); spin_lock_irq(&cgwb_lock); list_del(&wb->offline_node); spin_unlock_irq(&cgwb_lock); + percpu_ref_exit(&wb->refcnt); wb_exit(wb); WARN_ON_ONCE(!list_empty(&wb->b_attached)); kfree_rcu(wb, rcu); diff --git a/mm/kfence/core.c b/mm/kfence/core.c index d7666ace9d2e..575c685aa642 100644 --- a/mm/kfence/core.c +++ b/mm/kfence/core.c @@ -734,6 +734,22 @@ void kfence_shutdown_cache(struct kmem_cache *s) void *__kfence_alloc(struct kmem_cache *s, size_t size, gfp_t flags) { /* + * Perform size check before switching kfence_allocation_gate, so that + * we don't disable KFENCE without making an allocation. + */ + if (size > PAGE_SIZE) + return NULL; + + /* + * Skip allocations from non-default zones, including DMA. We cannot + * guarantee that pages in the KFENCE pool will have the requested + * properties (e.g. reside in DMAable memory). + */ + if ((flags & GFP_ZONEMASK) || + (s->flags & (SLAB_CACHE_DMA | SLAB_CACHE_DMA32))) + return NULL; + + /* * allocation_gate only needs to become non-zero, so it doesn't make * sense to continue writing to it and pay the associated contention * cost, in case we have a large number of concurrent allocations. @@ -757,9 +773,6 @@ void *__kfence_alloc(struct kmem_cache *s, size_t size, gfp_t flags) if (!READ_ONCE(kfence_enabled)) return NULL; - if (size > PAGE_SIZE) - return NULL; - return kfence_guarded_alloc(s, size, flags); } diff --git a/mm/kfence/kfence_test.c b/mm/kfence/kfence_test.c index 7f24b9bcb2ec..942cbc16ad26 100644 --- a/mm/kfence/kfence_test.c +++ b/mm/kfence/kfence_test.c @@ -852,7 +852,7 @@ static void kfence_test_exit(void) tracepoint_synchronize_unregister(); } -late_initcall(kfence_test_init); +late_initcall_sync(kfence_test_init); module_exit(kfence_test_exit); MODULE_LICENSE("GPL v2"); diff --git a/mm/memblock.c b/mm/memblock.c index 0041ff62c584..de7b553baa50 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -947,7 +947,8 @@ static bool should_skip_region(struct memblock_type *type, return true; /* skip hotpluggable memory regions if needed */ - if (movable_node_is_enabled() && memblock_is_hotpluggable(m)) + if (movable_node_is_enabled() && memblock_is_hotpluggable(m) && + !(flags & MEMBLOCK_HOTPLUG)) return true; /* if we want mirror memory skip non-mirror memory regions */ diff --git a/mm/memcontrol.c b/mm/memcontrol.c index ae1f5d0cb581..eb8e87c4833f 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3574,7 +3574,8 @@ static unsigned long mem_cgroup_usage(struct mem_cgroup *memcg, bool swap) unsigned long val; if (mem_cgroup_is_root(memcg)) { - cgroup_rstat_flush(memcg->css.cgroup); + /* mem_cgroup_threshold() calls here from irqsafe context */ + cgroup_rstat_flush_irqsafe(memcg->css.cgroup); val = memcg_page_state(memcg, NR_FILE_PAGES) + memcg_page_state(memcg, NR_ANON_MAPPED); if (swap) diff --git a/mm/memory.c b/mm/memory.c index 747a01d495f2..25fc46e87214 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -4026,8 +4026,17 @@ vm_fault_t finish_fault(struct vm_fault *vmf) return ret; } - if (unlikely(pte_alloc(vma->vm_mm, vmf->pmd))) + if (vmf->prealloc_pte) { + vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd); + if (likely(pmd_none(*vmf->pmd))) { + mm_inc_nr_ptes(vma->vm_mm); + pmd_populate(vma->vm_mm, vmf->pmd, vmf->prealloc_pte); + vmf->prealloc_pte = NULL; + } + spin_unlock(vmf->ptl); + } else if (unlikely(pte_alloc(vma->vm_mm, vmf->pmd))) { return VM_FAULT_OOM; + } } /* See comment in handle_pte_fault() */ diff --git a/mm/migrate.c b/mm/migrate.c index 34a9ad3e0a4f..7e240437e7d9 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -2068,7 +2068,7 @@ int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma, LIST_HEAD(migratepages); new_page_t *new; bool compound; - unsigned int nr_pages = thp_nr_pages(page); + int nr_pages = thp_nr_pages(page); /* * PTE mapped THP or HugeTLB page can't reach here so the page could diff --git a/mm/mmap_lock.c b/mm/mmap_lock.c index f5852a058ce0..1854850b4b89 100644 --- a/mm/mmap_lock.c +++ b/mm/mmap_lock.c @@ -156,14 +156,14 @@ static inline void put_memcg_path_buf(void) #define TRACE_MMAP_LOCK_EVENT(type, mm, ...) \ do { \ const char *memcg_path; \ - preempt_disable(); \ + local_lock(&memcg_paths.lock); \ memcg_path = get_mm_memcg_path(mm); \ trace_mmap_lock_##type(mm, \ memcg_path != NULL ? memcg_path : "", \ ##__VA_ARGS__); \ if (likely(memcg_path != NULL)) \ put_memcg_path_buf(); \ - preempt_enable(); \ + local_unlock(&memcg_paths.lock); \ } while (0) #else /* !CONFIG_MEMCG */ diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 3e97e68aef7a..856b175c15a4 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -840,21 +840,24 @@ void init_mem_debugging_and_hardening(void) } #endif - if (_init_on_alloc_enabled_early) { - if (page_poisoning_requested) - pr_info("mem auto-init: CONFIG_PAGE_POISONING is on, " - "will take precedence over init_on_alloc\n"); - else - static_branch_enable(&init_on_alloc); - } - if (_init_on_free_enabled_early) { - if (page_poisoning_requested) - pr_info("mem auto-init: CONFIG_PAGE_POISONING is on, " - "will take precedence over init_on_free\n"); - else - static_branch_enable(&init_on_free); + if ((_init_on_alloc_enabled_early || _init_on_free_enabled_early) && + page_poisoning_requested) { + pr_info("mem auto-init: CONFIG_PAGE_POISONING is on, " + "will take precedence over init_on_alloc and init_on_free\n"); + _init_on_alloc_enabled_early = false; + _init_on_free_enabled_early = false; } + if (_init_on_alloc_enabled_early) + static_branch_enable(&init_on_alloc); + else + static_branch_disable(&init_on_alloc); + + if (_init_on_free_enabled_early) + static_branch_enable(&init_on_free); + else + static_branch_disable(&init_on_free); + #ifdef CONFIG_DEBUG_PAGEALLOC if (!debug_pagealloc_enabled()) return; diff --git a/mm/secretmem.c b/mm/secretmem.c index f77d25467a14..030f02ddc7c1 100644 --- a/mm/secretmem.c +++ b/mm/secretmem.c @@ -152,6 +152,7 @@ static void secretmem_freepage(struct page *page) } const struct address_space_operations secretmem_aops = { + .set_page_dirty = __set_page_dirty_no_writeback, .freepage = secretmem_freepage, .migratepage = secretmem_migratepage, .isolate_page = secretmem_isolate_page, diff --git a/mm/slab.h b/mm/slab.h index f997fd5e42c8..58c01a34e5b8 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -346,7 +346,7 @@ static inline void memcg_slab_free_hook(struct kmem_cache *s_orig, continue; page = virt_to_head_page(p[i]); - objcgs = page_objcgs(page); + objcgs = page_objcgs_check(page); if (!objcgs) continue; diff --git a/mm/slub.c b/mm/slub.c index 090fa14628f9..af984e4990e8 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3236,6 +3236,16 @@ struct detached_freelist { struct kmem_cache *s; }; +static inline void free_nonslab_page(struct page *page) +{ + unsigned int order = compound_order(page); + + VM_BUG_ON_PAGE(!PageCompound(page), page); + kfree_hook(page_address(page)); + mod_lruvec_page_state(page, NR_SLAB_UNRECLAIMABLE_B, -(PAGE_SIZE << order)); + __free_pages(page, order); +} + /* * This function progressively scans the array with free objects (with * a limited look ahead) and extract objects belonging to the same @@ -3272,9 +3282,7 @@ int build_detached_freelist(struct kmem_cache *s, size_t size, if (!s) { /* Handle kalloc'ed objects */ if (unlikely(!PageSlab(page))) { - BUG_ON(!PageCompound(page)); - kfree_hook(object); - __free_pages(page, compound_order(page)); + free_nonslab_page(page); p[size] = NULL; /* mark object processed */ return size; } @@ -4250,13 +4258,7 @@ void kfree(const void *x) page = virt_to_head_page(x); if (unlikely(!PageSlab(page))) { - unsigned int order = compound_order(page); - - BUG_ON(!PageCompound(page)); - kfree_hook(object); - mod_lruvec_page_state(page, NR_SLAB_UNRECLAIMABLE_B, - -(PAGE_SIZE << order)); - __free_pages(page, order); + free_nonslab_page(page); return; } slab_free(page->slab_cache, page, object, NULL, 1, _RET_IP_); diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c index aa47af349ba8..1cc75c811e24 100644 --- a/net/bpf/test_run.c +++ b/net/bpf/test_run.c @@ -701,6 +701,9 @@ int bpf_prog_test_run_xdp(struct bpf_prog *prog, const union bpf_attr *kattr, void *data; int ret; + if (prog->expected_attach_type == BPF_XDP_DEVMAP || + prog->expected_attach_type == BPF_XDP_CPUMAP) + return -EINVAL; if (kattr->test.ctx_in || kattr->test.ctx_out) return -EINVAL; diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 2b862cffc03a..a16191dcaed1 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -780,7 +780,7 @@ int br_fdb_replay(const struct net_device *br_dev, const struct net_device *dev, struct net_device *dst_dev; dst_dev = dst ? dst->dev : br->dev; - if (dst_dev != br_dev && dst_dev != dev) + if (dst_dev && dst_dev != dev) continue; err = br_fdb_replay_one(nb, fdb, dst_dev, action, ctx); diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index 647554c9813b..e12fd3cad619 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -539,7 +539,8 @@ static int caif_seqpkt_sendmsg(struct socket *sock, struct msghdr *msg, goto err; ret = -EINVAL; - if (unlikely(msg->msg_iter.iov->iov_base == NULL)) + if (unlikely(msg->msg_iter.nr_segs == 0) || + unlikely(msg->msg_iter.iov->iov_base == NULL)) goto err; noblock = msg->msg_flags & MSG_DONTWAIT; diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c index c3946c355882..bdc95bd7a851 100644 --- a/net/can/j1939/transport.c +++ b/net/can/j1939/transport.c @@ -1075,11 +1075,16 @@ static bool j1939_session_deactivate_locked(struct j1939_session *session) static bool j1939_session_deactivate(struct j1939_session *session) { + struct j1939_priv *priv = session->priv; bool active; - j1939_session_list_lock(session->priv); + j1939_session_list_lock(priv); + /* This function should be called with a session ref-count of at + * least 2. + */ + WARN_ON_ONCE(kref_read(&session->kref) < 2); active = j1939_session_deactivate_locked(session); - j1939_session_list_unlock(session->priv); + j1939_session_list_unlock(priv); return active; } @@ -1869,7 +1874,7 @@ static void j1939_xtp_rx_dat_one(struct j1939_session *session, if (!session->transmission) j1939_tp_schedule_txtimer(session, 0); } else { - j1939_tp_set_rxtimeout(session, 250); + j1939_tp_set_rxtimeout(session, 750); } session->last_cmd = 0xff; consume_skb(se_skb); diff --git a/net/can/raw.c b/net/can/raw.c index ed4fcb7ab0c3..cd5a49380116 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -546,10 +546,18 @@ static int raw_setsockopt(struct socket *sock, int level, int optname, return -EFAULT; } + rtnl_lock(); lock_sock(sk); - if (ro->bound && ro->ifindex) + if (ro->bound && ro->ifindex) { dev = dev_get_by_index(sock_net(sk), ro->ifindex); + if (!dev) { + if (count > 1) + kfree(filter); + err = -ENODEV; + goto out_fil; + } + } if (ro->bound) { /* (try to) register the new filters */ @@ -588,6 +596,7 @@ static int raw_setsockopt(struct socket *sock, int level, int optname, dev_put(dev); release_sock(sk); + rtnl_unlock(); break; @@ -600,10 +609,16 @@ static int raw_setsockopt(struct socket *sock, int level, int optname, err_mask &= CAN_ERR_MASK; + rtnl_lock(); lock_sock(sk); - if (ro->bound && ro->ifindex) + if (ro->bound && ro->ifindex) { dev = dev_get_by_index(sock_net(sk), ro->ifindex); + if (!dev) { + err = -ENODEV; + goto out_err; + } + } /* remove current error mask */ if (ro->bound) { @@ -627,6 +642,7 @@ static int raw_setsockopt(struct socket *sock, int level, int optname, dev_put(dev); release_sock(sk); + rtnl_unlock(); break; diff --git a/net/core/dev.c b/net/core/dev.c index 64b21f0a2048..8f1a47ad6781 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -131,6 +131,7 @@ #include <trace/events/napi.h> #include <trace/events/net.h> #include <trace/events/skb.h> +#include <trace/events/qdisc.h> #include <linux/inetdevice.h> #include <linux/cpu_rmap.h> #include <linux/static_key.h> @@ -3844,6 +3845,18 @@ static void qdisc_pkt_len_init(struct sk_buff *skb) } } +static int dev_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *q, + struct sk_buff **to_free, + struct netdev_queue *txq) +{ + int rc; + + rc = q->enqueue(skb, q, to_free) & NET_XMIT_MASK; + if (rc == NET_XMIT_SUCCESS) + trace_qdisc_enqueue(q, txq, skb); + return rc; +} + static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q, struct net_device *dev, struct netdev_queue *txq) @@ -3862,8 +3875,7 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q, * of q->seqlock to protect from racing with requeuing. */ if (unlikely(!nolock_qdisc_is_empty(q))) { - rc = q->enqueue(skb, q, &to_free) & - NET_XMIT_MASK; + rc = dev_qdisc_enqueue(skb, q, &to_free, txq); __qdisc_run(q); qdisc_run_end(q); @@ -3879,7 +3891,7 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q, return NET_XMIT_SUCCESS; } - rc = q->enqueue(skb, q, &to_free) & NET_XMIT_MASK; + rc = dev_qdisc_enqueue(skb, q, &to_free, txq); qdisc_run(q); no_lock_out: @@ -3923,7 +3935,7 @@ no_lock_out: qdisc_run_end(q); rc = NET_XMIT_SUCCESS; } else { - rc = q->enqueue(skb, q, &to_free) & NET_XMIT_MASK; + rc = dev_qdisc_enqueue(skb, q, &to_free, txq); if (qdisc_run_begin(q)) { if (unlikely(contended)) { spin_unlock(&q->busylock); @@ -9700,14 +9712,17 @@ int bpf_xdp_link_attach(const union bpf_attr *attr, struct bpf_prog *prog) struct net_device *dev; int err, fd; + rtnl_lock(); dev = dev_get_by_index(net, attr->link_create.target_ifindex); - if (!dev) + if (!dev) { + rtnl_unlock(); return -EINVAL; + } link = kzalloc(sizeof(*link), GFP_USER); if (!link) { err = -ENOMEM; - goto out_put_dev; + goto unlock; } bpf_link_init(&link->link, BPF_LINK_TYPE_XDP, &bpf_xdp_link_lops, prog); @@ -9717,14 +9732,14 @@ int bpf_xdp_link_attach(const union bpf_attr *attr, struct bpf_prog *prog) err = bpf_link_prime(&link->link, &link_primer); if (err) { kfree(link); - goto out_put_dev; + goto unlock; } - rtnl_lock(); err = dev_xdp_attach_link(dev, NULL, link); rtnl_unlock(); if (err) { + link->dev = NULL; bpf_link_cleanup(&link_primer); goto out_put_dev; } @@ -9734,6 +9749,9 @@ int bpf_xdp_link_attach(const union bpf_attr *attr, struct bpf_prog *prog) dev_put(dev); return fd; +unlock: + rtnl_unlock(); + out_put_dev: dev_put(dev); return err; diff --git a/net/core/devlink.c b/net/core/devlink.c index 8fdd04f00fd7..85032626de24 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -9328,18 +9328,10 @@ static int __devlink_port_phys_port_name_get(struct devlink_port *devlink_port, switch (attrs->flavour) { case DEVLINK_PORT_FLAVOUR_PHYSICAL: - case DEVLINK_PORT_FLAVOUR_VIRTUAL: n = snprintf(name, len, "p%u", attrs->phys.port_number); if (n < len && attrs->split) n += snprintf(name + n, len - n, "s%u", attrs->phys.split_subport_number); - if (!attrs->split) - n = snprintf(name, len, "p%u", attrs->phys.port_number); - else - n = snprintf(name, len, "p%us%u", - attrs->phys.port_number, - attrs->phys.split_subport_number); - break; case DEVLINK_PORT_FLAVOUR_CPU: case DEVLINK_PORT_FLAVOUR_DSA: @@ -9381,6 +9373,8 @@ static int __devlink_port_phys_port_name_get(struct devlink_port *devlink_port, n = snprintf(name, len, "pf%usf%u", attrs->pci_sf.pf, attrs->pci_sf.sf); break; + case DEVLINK_PORT_FLAVOUR_VIRTUAL: + return -EOPNOTSUPP; } if (n >= len) diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 2aadbfc5193b..4b2415d34873 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -1504,7 +1504,7 @@ __be32 flow_get_u32_dst(const struct flow_keys *flow) } EXPORT_SYMBOL(flow_get_u32_dst); -/* Sort the source and destination IP (and the ports if the IP are the same), +/* Sort the source and destination IP and the ports, * to have consistent hash within the two directions */ static inline void __flow_hash_consistentify(struct flow_keys *keys) @@ -1515,11 +1515,11 @@ static inline void __flow_hash_consistentify(struct flow_keys *keys) case FLOW_DISSECTOR_KEY_IPV4_ADDRS: addr_diff = (__force u32)keys->addrs.v4addrs.dst - (__force u32)keys->addrs.v4addrs.src; - if ((addr_diff < 0) || - (addr_diff == 0 && - ((__force u16)keys->ports.dst < - (__force u16)keys->ports.src))) { + if (addr_diff < 0) swap(keys->addrs.v4addrs.src, keys->addrs.v4addrs.dst); + + if ((__force u16)keys->ports.dst < + (__force u16)keys->ports.src) { swap(keys->ports.src, keys->ports.dst); } break; @@ -1527,13 +1527,13 @@ static inline void __flow_hash_consistentify(struct flow_keys *keys) addr_diff = memcmp(&keys->addrs.v6addrs.dst, &keys->addrs.v6addrs.src, sizeof(keys->addrs.v6addrs.dst)); - if ((addr_diff < 0) || - (addr_diff == 0 && - ((__force u16)keys->ports.dst < - (__force u16)keys->ports.src))) { + if (addr_diff < 0) { for (i = 0; i < 4; i++) swap(keys->addrs.v6addrs.src.s6_addr32[i], keys->addrs.v6addrs.dst.s6_addr32[i]); + } + if ((__force u16)keys->ports.dst < + (__force u16)keys->ports.src) { swap(keys->ports.src, keys->ports.dst); } break; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index f63de967ac25..fc7942c0dddc 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -663,7 +663,7 @@ static void skb_release_data(struct sk_buff *skb) if (skb->cloned && atomic_sub_return(skb->nohdr ? (1 << SKB_DATAREF_SHIFT) + 1 : 1, &shinfo->dataref)) - return; + goto exit; skb_zcopy_clear(skb, true); @@ -674,6 +674,17 @@ static void skb_release_data(struct sk_buff *skb) kfree_skb_list(shinfo->frag_list); skb_free_head(skb); +exit: + /* When we clone an SKB we copy the reycling bit. The pp_recycle + * bit is only set on the head though, so in order to avoid races + * while trying to recycle fragments on __skb_frag_unref() we need + * to make one SKB responsible for triggering the recycle path. + * So disable the recycling bit if an SKB is cloned and we have + * additional references to to the fragmented part of the SKB. + * Eventually the last SKB will have the recycling bit set and it's + * dataref set to 0, which will trigger the recycling + */ + skb->pp_recycle = 0; } /* @@ -3011,8 +3022,11 @@ skb_zerocopy_headlen(const struct sk_buff *from) if (!from->head_frag || skb_headlen(from) < L1_CACHE_BYTES || - skb_shinfo(from)->nr_frags >= MAX_SKB_FRAGS) + skb_shinfo(from)->nr_frags >= MAX_SKB_FRAGS) { hlen = skb_headlen(from); + if (!hlen) + hlen = from->len; + } if (skb_has_frag_list(from)) hlen = from->len; diff --git a/net/core/skmsg.c b/net/core/skmsg.c index 9b6160a191f8..2d6249b28928 100644 --- a/net/core/skmsg.c +++ b/net/core/skmsg.c @@ -508,10 +508,8 @@ static int sk_psock_skb_ingress_enqueue(struct sk_buff *skb, if (skb_linearize(skb)) return -EAGAIN; num_sge = skb_to_sgvec(skb, msg->sg.data, 0, skb->len); - if (unlikely(num_sge < 0)) { - kfree(msg); + if (unlikely(num_sge < 0)) return num_sge; - } copied = skb->len; msg->sg.start = 0; @@ -530,6 +528,7 @@ static int sk_psock_skb_ingress(struct sk_psock *psock, struct sk_buff *skb) { struct sock *sk = psock->sk; struct sk_msg *msg; + int err; /* If we are receiving on the same sock skb->sk is already assigned, * skip memory accounting and owner transition seeing it already set @@ -548,7 +547,10 @@ static int sk_psock_skb_ingress(struct sk_psock *psock, struct sk_buff *skb) * into user buffers. */ skb_set_owner_r(skb, sk); - return sk_psock_skb_ingress_enqueue(skb, psock, sk, msg); + err = sk_psock_skb_ingress_enqueue(skb, psock, sk, msg); + if (err < 0) + kfree(msg); + return err; } /* Puts an skb on the ingress queue of the socket already assigned to the @@ -559,12 +561,16 @@ static int sk_psock_skb_ingress_self(struct sk_psock *psock, struct sk_buff *skb { struct sk_msg *msg = kzalloc(sizeof(*msg), __GFP_NOWARN | GFP_ATOMIC); struct sock *sk = psock->sk; + int err; if (unlikely(!msg)) return -EAGAIN; sk_msg_init(msg); skb_set_owner_r(skb, sk); - return sk_psock_skb_ingress_enqueue(skb, psock, sk, msg); + err = sk_psock_skb_ingress_enqueue(skb, psock, sk, msg); + if (err < 0) + kfree(msg); + return err; } static int sk_psock_handle_skb(struct sk_psock *psock, struct sk_buff *skb, @@ -578,29 +584,42 @@ static int sk_psock_handle_skb(struct sk_psock *psock, struct sk_buff *skb, return sk_psock_skb_ingress(psock, skb); } -static void sock_drop(struct sock *sk, struct sk_buff *skb) +static void sk_psock_skb_state(struct sk_psock *psock, + struct sk_psock_work_state *state, + struct sk_buff *skb, + int len, int off) { - sk_drops_add(sk, skb); - kfree_skb(skb); + spin_lock_bh(&psock->ingress_lock); + if (sk_psock_test_state(psock, SK_PSOCK_TX_ENABLED)) { + state->skb = skb; + state->len = len; + state->off = off; + } else { + sock_drop(psock->sk, skb); + } + spin_unlock_bh(&psock->ingress_lock); } static void sk_psock_backlog(struct work_struct *work) { struct sk_psock *psock = container_of(work, struct sk_psock, work); struct sk_psock_work_state *state = &psock->work_state; - struct sk_buff *skb; + struct sk_buff *skb = NULL; bool ingress; u32 len, off; int ret; mutex_lock(&psock->work_mutex); - if (state->skb) { + if (unlikely(state->skb)) { + spin_lock_bh(&psock->ingress_lock); skb = state->skb; len = state->len; off = state->off; state->skb = NULL; - goto start; + spin_unlock_bh(&psock->ingress_lock); } + if (skb) + goto start; while ((skb = skb_dequeue(&psock->ingress_skb))) { len = skb->len; @@ -615,9 +634,8 @@ start: len, ingress); if (ret <= 0) { if (ret == -EAGAIN) { - state->skb = skb; - state->len = len; - state->off = off; + sk_psock_skb_state(psock, state, skb, + len, off); goto end; } /* Hard errors break pipe and stop xmit. */ @@ -716,6 +734,11 @@ static void __sk_psock_zap_ingress(struct sk_psock *psock) skb_bpf_redirect_clear(skb); sock_drop(psock->sk, skb); } + kfree_skb(psock->work_state.skb); + /* We null the skb here to ensure that calls to sk_psock_backlog + * do not pick up the free'd skb. + */ + psock->work_state.skb = NULL; __sk_psock_purge_ingress_msg(psock); } @@ -767,8 +790,6 @@ static void sk_psock_destroy(struct work_struct *work) void sk_psock_drop(struct sock *sk, struct sk_psock *psock) { - sk_psock_stop(psock, false); - write_lock_bh(&sk->sk_callback_lock); sk_psock_restore_proto(sk, psock); rcu_assign_sk_user_data(sk, NULL); @@ -778,6 +799,8 @@ void sk_psock_drop(struct sock *sk, struct sk_psock *psock) sk_psock_stop_verdict(sk, psock); write_unlock_bh(&sk->sk_callback_lock); + sk_psock_stop(psock, false); + INIT_RCU_WORK(&psock->rwork, sk_psock_destroy); queue_rcu_work(system_wq, &psock->rwork); } diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index 5dbd45dc35ad..dc92a67baea3 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -816,7 +816,7 @@ static int dn_auto_bind(struct socket *sock) static int dn_confirm_accept(struct sock *sk, long *timeo, gfp_t allocation) { struct dn_scp *scp = DN_SK(sk); - DEFINE_WAIT(wait); + DEFINE_WAIT_FUNC(wait, woken_wake_function); int err; if (scp->state != DN_CR) @@ -826,11 +826,11 @@ static int dn_confirm_accept(struct sock *sk, long *timeo, gfp_t allocation) scp->segsize_loc = dst_metric_advmss(__sk_dst_get(sk)); dn_send_conn_conf(sk, allocation); - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); + add_wait_queue(sk_sleep(sk), &wait); for(;;) { release_sock(sk); if (scp->state == DN_CC) - *timeo = schedule_timeout(*timeo); + *timeo = wait_woken(&wait, TASK_INTERRUPTIBLE, *timeo); lock_sock(sk); err = 0; if (scp->state == DN_RUN) @@ -844,9 +844,8 @@ static int dn_confirm_accept(struct sock *sk, long *timeo, gfp_t allocation) err = -EAGAIN; if (!*timeo) break; - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); } - finish_wait(sk_sleep(sk), &wait); + remove_wait_queue(sk_sleep(sk), &wait); if (err == 0) { sk->sk_socket->state = SS_CONNECTED; } else if (scp->state != DN_CC) { @@ -858,7 +857,7 @@ static int dn_confirm_accept(struct sock *sk, long *timeo, gfp_t allocation) static int dn_wait_run(struct sock *sk, long *timeo) { struct dn_scp *scp = DN_SK(sk); - DEFINE_WAIT(wait); + DEFINE_WAIT_FUNC(wait, woken_wake_function); int err = 0; if (scp->state == DN_RUN) @@ -867,11 +866,11 @@ static int dn_wait_run(struct sock *sk, long *timeo) if (!*timeo) return -EALREADY; - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); + add_wait_queue(sk_sleep(sk), &wait); for(;;) { release_sock(sk); if (scp->state == DN_CI || scp->state == DN_CC) - *timeo = schedule_timeout(*timeo); + *timeo = wait_woken(&wait, TASK_INTERRUPTIBLE, *timeo); lock_sock(sk); err = 0; if (scp->state == DN_RUN) @@ -885,9 +884,8 @@ static int dn_wait_run(struct sock *sk, long *timeo) err = -ETIMEDOUT; if (!*timeo) break; - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); } - finish_wait(sk_sleep(sk), &wait); + remove_wait_queue(sk_sleep(sk), &wait); out: if (err == 0) { sk->sk_socket->state = SS_CONNECTED; @@ -1032,16 +1030,16 @@ static void dn_user_copy(struct sk_buff *skb, struct optdata_dn *opt) static struct sk_buff *dn_wait_for_connect(struct sock *sk, long *timeo) { - DEFINE_WAIT(wait); + DEFINE_WAIT_FUNC(wait, woken_wake_function); struct sk_buff *skb = NULL; int err = 0; - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); + add_wait_queue(sk_sleep(sk), &wait); for(;;) { release_sock(sk); skb = skb_dequeue(&sk->sk_receive_queue); if (skb == NULL) { - *timeo = schedule_timeout(*timeo); + *timeo = wait_woken(&wait, TASK_INTERRUPTIBLE, *timeo); skb = skb_dequeue(&sk->sk_receive_queue); } lock_sock(sk); @@ -1056,9 +1054,8 @@ static struct sk_buff *dn_wait_for_connect(struct sock *sk, long *timeo) err = -EAGAIN; if (!*timeo) break; - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); } - finish_wait(sk_sleep(sk), &wait); + remove_wait_queue(sk_sleep(sk), &wait); return skb == NULL ? ERR_PTR(err) : skb; } diff --git a/net/dsa/slave.c b/net/dsa/slave.c index ffbba1e71551..532085da8d8f 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -1808,6 +1808,7 @@ void dsa_slave_setup_tagger(struct net_device *slave) struct dsa_slave_priv *p = netdev_priv(slave); const struct dsa_port *cpu_dp = dp->cpu_dp; struct net_device *master = cpu_dp->master; + const struct dsa_switch *ds = dp->ds; slave->needed_headroom = cpu_dp->tag_ops->needed_headroom; slave->needed_tailroom = cpu_dp->tag_ops->needed_tailroom; @@ -1819,6 +1820,14 @@ void dsa_slave_setup_tagger(struct net_device *slave) slave->needed_tailroom += master->needed_tailroom; p->xmit = cpu_dp->tag_ops->xmit; + + slave->features = master->vlan_features | NETIF_F_HW_TC; + if (ds->ops->port_vlan_add && ds->ops->port_vlan_del) + slave->features |= NETIF_F_HW_VLAN_CTAG_FILTER; + slave->hw_features |= NETIF_F_HW_TC; + slave->features |= NETIF_F_LLTX; + if (slave->needed_tailroom) + slave->features &= ~(NETIF_F_SG | NETIF_F_FRAGLIST); } static struct lock_class_key dsa_slave_netdev_xmit_lock_key; @@ -1881,11 +1890,6 @@ int dsa_slave_create(struct dsa_port *port) if (slave_dev == NULL) return -ENOMEM; - slave_dev->features = master->vlan_features | NETIF_F_HW_TC; - if (ds->ops->port_vlan_add && ds->ops->port_vlan_del) - slave_dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; - slave_dev->hw_features |= NETIF_F_HW_TC; - slave_dev->features |= NETIF_F_LLTX; slave_dev->ethtool_ops = &dsa_slave_ethtool_ops; if (!is_zero_ether_addr(port->mac)) ether_addr_copy(slave_dev->dev_addr, port->mac); diff --git a/net/dsa/tag_ksz.c b/net/dsa/tag_ksz.c index 53565f48934c..a201ccf2435d 100644 --- a/net/dsa/tag_ksz.c +++ b/net/dsa/tag_ksz.c @@ -53,6 +53,9 @@ static struct sk_buff *ksz8795_xmit(struct sk_buff *skb, struct net_device *dev) u8 *tag; u8 *addr; + if (skb->ip_summed == CHECKSUM_PARTIAL && skb_checksum_help(skb)) + return NULL; + /* Tag encoding */ tag = skb_put(skb, KSZ_INGRESS_TAG_LEN); addr = skb_mac_header(skb); @@ -114,6 +117,9 @@ static struct sk_buff *ksz9477_xmit(struct sk_buff *skb, u8 *addr; u16 val; + if (skb->ip_summed == CHECKSUM_PARTIAL && skb_checksum_help(skb)) + return NULL; + /* Tag encoding */ tag = skb_put(skb, KSZ9477_INGRESS_TAG_LEN); addr = skb_mac_header(skb); @@ -164,6 +170,9 @@ static struct sk_buff *ksz9893_xmit(struct sk_buff *skb, u8 *addr; u8 *tag; + if (skb->ip_summed == CHECKSUM_PARTIAL && skb_checksum_help(skb)) + return NULL; + /* Tag encoding */ tag = skb_put(skb, KSZ_INGRESS_TAG_LEN); addr = skb_mac_header(skb); diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 0dca00745ac3..be75b409445c 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -390,7 +390,7 @@ int ip_tunnel_rcv(struct ip_tunnel *tunnel, struct sk_buff *skb, tunnel->i_seqno = ntohl(tpi->seq) + 1; } - skb_reset_network_header(skb); + skb_set_network_header(skb, (tunnel->dev->type == ARPHRD_ETHER) ? ETH_HLEN : 0); err = IP_ECN_decapsulate(iph, skb); if (unlikely(err)) { diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c index f26916a62f25..d3e9386b493e 100644 --- a/net/ipv4/tcp_bpf.c +++ b/net/ipv4/tcp_bpf.c @@ -503,7 +503,7 @@ static int __init tcp_bpf_v4_build_proto(void) tcp_bpf_rebuild_protos(tcp_bpf_prots[TCP_BPF_IPV4], &tcp_prot); return 0; } -core_initcall(tcp_bpf_v4_build_proto); +late_initcall(tcp_bpf_v4_build_proto); static int tcp_bpf_assert_proto_ops(struct proto *ops) { diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c index 47c32604d38f..25fa4c01a17f 100644 --- a/net/ipv4/tcp_fastopen.c +++ b/net/ipv4/tcp_fastopen.c @@ -507,8 +507,18 @@ void tcp_fastopen_active_disable(struct sock *sk) { struct net *net = sock_net(sk); + if (!sock_net(sk)->ipv4.sysctl_tcp_fastopen_blackhole_timeout) + return; + + /* Paired with READ_ONCE() in tcp_fastopen_active_should_disable() */ + WRITE_ONCE(net->ipv4.tfo_active_disable_stamp, jiffies); + + /* Paired with smp_rmb() in tcp_fastopen_active_should_disable(). + * We want net->ipv4.tfo_active_disable_stamp to be updated first. + */ + smp_mb__before_atomic(); atomic_inc(&net->ipv4.tfo_active_disable_times); - net->ipv4.tfo_active_disable_stamp = jiffies; + NET_INC_STATS(net, LINUX_MIB_TCPFASTOPENBLACKHOLE); } @@ -519,17 +529,27 @@ void tcp_fastopen_active_disable(struct sock *sk) bool tcp_fastopen_active_should_disable(struct sock *sk) { unsigned int tfo_bh_timeout = sock_net(sk)->ipv4.sysctl_tcp_fastopen_blackhole_timeout; - int tfo_da_times = atomic_read(&sock_net(sk)->ipv4.tfo_active_disable_times); unsigned long timeout; + int tfo_da_times; int multiplier; + if (!tfo_bh_timeout) + return false; + + tfo_da_times = atomic_read(&sock_net(sk)->ipv4.tfo_active_disable_times); if (!tfo_da_times) return false; + /* Paired with smp_mb__before_atomic() in tcp_fastopen_active_disable() */ + smp_rmb(); + /* Limit timeout to max: 2^6 * initial timeout */ multiplier = 1 << min(tfo_da_times - 1, 6); - timeout = multiplier * tfo_bh_timeout * HZ; - if (time_before(jiffies, sock_net(sk)->ipv4.tfo_active_disable_stamp + timeout)) + + /* Paired with the WRITE_ONCE() in tcp_fastopen_active_disable(). */ + timeout = READ_ONCE(sock_net(sk)->ipv4.tfo_active_disable_stamp) + + multiplier * tfo_bh_timeout * HZ; + if (time_before(jiffies, timeout)) return true; /* Mark check bit so we can check for successful active TFO diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index b9dc2d6197be..a692626c19e4 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -2965,7 +2965,7 @@ static int __net_init tcp_sk_init(struct net *net) net->ipv4.sysctl_tcp_comp_sack_nr = 44; net->ipv4.sysctl_tcp_fastopen = TFO_CLIENT_ENABLE; spin_lock_init(&net->ipv4.tcp_fastopen_ctx_lock); - net->ipv4.sysctl_tcp_fastopen_blackhole_timeout = 60 * 60; + net->ipv4.sysctl_tcp_fastopen_blackhole_timeout = 0; atomic_set(&net->ipv4.tfo_active_disable_times, 0); /* Reno is always built in */ diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 62cd4cd52e84..1a742b710e54 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -645,10 +645,12 @@ static struct sock *__udp4_lib_err_encap(struct net *net, const struct iphdr *iph, struct udphdr *uh, struct udp_table *udptable, + struct sock *sk, struct sk_buff *skb, u32 info) { + int (*lookup)(struct sock *sk, struct sk_buff *skb); int network_offset, transport_offset; - struct sock *sk; + struct udp_sock *up; network_offset = skb_network_offset(skb); transport_offset = skb_transport_offset(skb); @@ -659,18 +661,28 @@ static struct sock *__udp4_lib_err_encap(struct net *net, /* Transport header needs to point to the UDP header */ skb_set_transport_header(skb, iph->ihl << 2); + if (sk) { + up = udp_sk(sk); + + lookup = READ_ONCE(up->encap_err_lookup); + if (lookup && lookup(sk, skb)) + sk = NULL; + + goto out; + } + sk = __udp4_lib_lookup(net, iph->daddr, uh->source, iph->saddr, uh->dest, skb->dev->ifindex, 0, udptable, NULL); if (sk) { - int (*lookup)(struct sock *sk, struct sk_buff *skb); - struct udp_sock *up = udp_sk(sk); + up = udp_sk(sk); lookup = READ_ONCE(up->encap_err_lookup); if (!lookup || lookup(sk, skb)) sk = NULL; } +out: if (!sk) sk = ERR_PTR(__udp4_lib_err_encap_no_sk(skb, info)); @@ -707,15 +719,16 @@ int __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable) sk = __udp4_lib_lookup(net, iph->daddr, uh->dest, iph->saddr, uh->source, skb->dev->ifindex, inet_sdif(skb), udptable, NULL); + if (!sk || udp_sk(sk)->encap_type) { /* No socket for error: try tunnels before discarding */ - sk = ERR_PTR(-ENOENT); if (static_branch_unlikely(&udp_encap_needed_key)) { - sk = __udp4_lib_err_encap(net, iph, uh, udptable, skb, + sk = __udp4_lib_err_encap(net, iph, uh, udptable, sk, skb, info); if (!sk) return 0; - } + } else + sk = ERR_PTR(-ENOENT); if (IS_ERR(sk)) { __ICMP_INC_STATS(net, ICMP_MIB_INERRORS); diff --git a/net/ipv4/udp_bpf.c b/net/ipv4/udp_bpf.c index 45b8782aec0c..9f5a5cdc38e6 100644 --- a/net/ipv4/udp_bpf.c +++ b/net/ipv4/udp_bpf.c @@ -134,7 +134,7 @@ static int __init udp_bpf_v4_build_proto(void) udp_bpf_rebuild_protos(&udp_bpf_prots[UDP_BPF_IPV4], &udp_prot); return 0; } -core_initcall(udp_bpf_v4_build_proto); +late_initcall(udp_bpf_v4_build_proto); int udp_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore) { diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 01bea76e3891..8e6ca9ad6812 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -74,7 +74,7 @@ static int ip6_finish_output2(struct net *net, struct sock *sk, struct sk_buff * if (likely(nskb)) { if (skb->sk) - skb_set_owner_w(skb, skb->sk); + skb_set_owner_w(nskb, skb->sk); consume_skb(skb); } else { kfree_skb(skb); @@ -549,9 +549,10 @@ int ip6_forward(struct sk_buff *skb) if (net->ipv6.devconf_all->proxy_ndp && pneigh_lookup(&nd_tbl, net, &hdr->daddr, skb->dev, 0)) { int proxied = ip6_forward_proxy_check(skb); - if (proxied > 0) + if (proxied > 0) { + hdr->hop_limit--; return ip6_input(skb); - else if (proxied < 0) { + } else if (proxied < 0) { __IP6_INC_STATS(net, idev, IPSTATS_MIB_INDISCARDS); goto drop; } diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 7b756a7dc036..b6ddf23d3833 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -3769,7 +3769,7 @@ static struct fib6_info *ip6_route_info_create(struct fib6_config *cfg, err = PTR_ERR(rt->fib6_metrics); /* Do not leave garbage there. */ rt->fib6_metrics = (struct dst_metrics *)&dst_default_metrics; - goto out; + goto out_free; } if (cfg->fc_flags & RTF_ADDRCONF) diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 0cc7ba531b34..c5e15e94bb00 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -502,12 +502,14 @@ static struct sock *__udp6_lib_err_encap(struct net *net, const struct ipv6hdr *hdr, int offset, struct udphdr *uh, struct udp_table *udptable, + struct sock *sk, struct sk_buff *skb, struct inet6_skb_parm *opt, u8 type, u8 code, __be32 info) { + int (*lookup)(struct sock *sk, struct sk_buff *skb); int network_offset, transport_offset; - struct sock *sk; + struct udp_sock *up; network_offset = skb_network_offset(skb); transport_offset = skb_transport_offset(skb); @@ -518,18 +520,28 @@ static struct sock *__udp6_lib_err_encap(struct net *net, /* Transport header needs to point to the UDP header */ skb_set_transport_header(skb, offset); + if (sk) { + up = udp_sk(sk); + + lookup = READ_ONCE(up->encap_err_lookup); + if (lookup && lookup(sk, skb)) + sk = NULL; + + goto out; + } + sk = __udp6_lib_lookup(net, &hdr->daddr, uh->source, &hdr->saddr, uh->dest, inet6_iif(skb), 0, udptable, skb); if (sk) { - int (*lookup)(struct sock *sk, struct sk_buff *skb); - struct udp_sock *up = udp_sk(sk); + up = udp_sk(sk); lookup = READ_ONCE(up->encap_err_lookup); if (!lookup || lookup(sk, skb)) sk = NULL; } +out: if (!sk) { sk = ERR_PTR(__udp6_lib_err_encap_no_sk(skb, opt, type, code, offset, info)); @@ -558,16 +570,17 @@ int __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt, sk = __udp6_lib_lookup(net, daddr, uh->dest, saddr, uh->source, inet6_iif(skb), inet6_sdif(skb), udptable, NULL); + if (!sk || udp_sk(sk)->encap_type) { /* No socket for error: try tunnels before discarding */ - sk = ERR_PTR(-ENOENT); if (static_branch_unlikely(&udpv6_encap_needed_key)) { sk = __udp6_lib_err_encap(net, hdr, offset, uh, - udptable, skb, + udptable, sk, skb, opt, type, code, info); if (!sk) return 0; - } + } else + sk = ERR_PTR(-ENOENT); if (IS_ERR(sk)) { __ICMP6_INC_STATS(net, __in6_dev_get(skb->dev), diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index 7180979114e4..ac5cadd02cfa 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -98,8 +98,16 @@ static inline u8 llc_ui_header_len(struct sock *sk, struct sockaddr_llc *addr) { u8 rc = LLC_PDU_LEN_U; - if (addr->sllc_test || addr->sllc_xid) + if (addr->sllc_test) rc = LLC_PDU_LEN_U; + else if (addr->sllc_xid) + /* We need to expand header to sizeof(struct llc_xid_info) + * since llc_pdu_init_as_xid_cmd() sets 4,5,6 bytes of LLC header + * as XID PDU. In llc_ui_sendmsg() we reserved header size and then + * filled all other space with user data. If we won't reserve this + * bytes, llc_pdu_init_as_xid_cmd() will overwrite user data + */ + rc = LLC_PDU_LEN_U_XID; else if (sk->sk_type == SOCK_STREAM) rc = LLC_PDU_LEN_I; return rc; diff --git a/net/llc/llc_s_ac.c b/net/llc/llc_s_ac.c index b554f26c68ee..79d1cef8f15a 100644 --- a/net/llc/llc_s_ac.c +++ b/net/llc/llc_s_ac.c @@ -79,7 +79,7 @@ int llc_sap_action_send_xid_c(struct llc_sap *sap, struct sk_buff *skb) struct llc_sap_state_ev *ev = llc_sap_ev(skb); int rc; - llc_pdu_header_init(skb, LLC_PDU_TYPE_U, ev->saddr.lsap, + llc_pdu_header_init(skb, LLC_PDU_TYPE_U_XID, ev->saddr.lsap, ev->daddr.lsap, LLC_PDU_CMD); llc_pdu_init_as_xid_cmd(skb, LLC_XID_NULL_CLASS_2, 0); rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac); diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 84cc7733ea66..4e6f11e63df3 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -152,6 +152,8 @@ static int ieee80211_change_iface(struct wiphy *wiphy, struct vif_params *params) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; + struct sta_info *sta; int ret; ret = ieee80211_if_change_type(sdata, type); @@ -162,7 +164,24 @@ static int ieee80211_change_iface(struct wiphy *wiphy, RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); ieee80211_check_fast_rx_iface(sdata); } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) { + struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; + + if (params->use_4addr == ifmgd->use_4addr) + return 0; + sdata->u.mgd.use_4addr = params->use_4addr; + if (!ifmgd->associated) + return 0; + + mutex_lock(&local->sta_mtx); + sta = sta_info_get(sdata, ifmgd->bssid); + if (sta) + drv_sta_set_4addr(local, sdata, &sta->sta, + params->use_4addr); + mutex_unlock(&local->sta_mtx); + + if (params->use_4addr) + ieee80211_send_4addr_nullfunc(local, sdata); } if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 22549b95d1aa..30ce6d2ec7ce 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -2201,6 +2201,8 @@ void ieee80211_dynamic_ps_timer(struct timer_list *t); void ieee80211_send_nullfunc(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, bool powersave); +void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata); void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, struct ieee80211_hdr *hdr, bool ack, u16 tx_time); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index a00f11a33699..c0ea3b1aa9e1 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1095,8 +1095,8 @@ void ieee80211_send_nullfunc(struct ieee80211_local *local, ieee80211_tx_skb(sdata, skb); } -static void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local, - struct ieee80211_sub_if_data *sdata) +void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) { struct sk_buff *skb; struct ieee80211_hdr *nullfunc; diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 771921c057e8..2563473b5cf1 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -730,7 +730,8 @@ ieee80211_make_monitor_skb(struct ieee80211_local *local, * Need to make a copy and possibly remove radiotap header * and FCS from the original. */ - skb = skb_copy_expand(*origskb, needed_headroom, 0, GFP_ATOMIC); + skb = skb_copy_expand(*origskb, needed_headroom + NET_SKB_PAD, + 0, GFP_ATOMIC); if (!skb) return NULL; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index e96981144358..8509778ff31f 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1147,6 +1147,29 @@ static bool ieee80211_tx_prep_agg(struct ieee80211_tx_data *tx, return queued; } +static void +ieee80211_aggr_check(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, + struct sk_buff *skb) +{ + struct rate_control_ref *ref = sdata->local->rate_ctrl; + u16 tid; + + if (!ref || !(ref->ops->capa & RATE_CTRL_CAPA_AMPDU_TRIGGER)) + return; + + if (!sta || !sta->sta.ht_cap.ht_supported || + !sta->sta.wme || skb_get_queue_mapping(skb) == IEEE80211_AC_VO || + skb->protocol == sdata->control_port_protocol) + return; + + tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK; + if (likely(sta->ampdu_mlme.tid_tx[tid])) + return; + + ieee80211_start_tx_ba_session(&sta->sta, tid, 0); +} + /* * initialises @tx * pass %NULL for the station if unknown, a valid pointer if known @@ -1160,6 +1183,7 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata, struct ieee80211_local *local = sdata->local; struct ieee80211_hdr *hdr; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + bool aggr_check = false; int tid; memset(tx, 0, sizeof(*tx)); @@ -1188,8 +1212,10 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata, } else if (tx->sdata->control_port_protocol == tx->skb->protocol) { tx->sta = sta_info_get_bss(sdata, hdr->addr1); } - if (!tx->sta && !is_multicast_ether_addr(hdr->addr1)) + if (!tx->sta && !is_multicast_ether_addr(hdr->addr1)) { tx->sta = sta_info_get(sdata, hdr->addr1); + aggr_check = true; + } } if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) && @@ -1199,8 +1225,12 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata, struct tid_ampdu_tx *tid_tx; tid = ieee80211_get_tid(hdr); - tid_tx = rcu_dereference(tx->sta->ampdu_mlme.tid_tx[tid]); + if (!tid_tx && aggr_check) { + ieee80211_aggr_check(sdata, tx->sta, skb); + tid_tx = rcu_dereference(tx->sta->ampdu_mlme.tid_tx[tid]); + } + if (tid_tx) { bool queued; @@ -4120,29 +4150,6 @@ void ieee80211_txq_schedule_start(struct ieee80211_hw *hw, u8 ac) } EXPORT_SYMBOL(ieee80211_txq_schedule_start); -static void -ieee80211_aggr_check(struct ieee80211_sub_if_data *sdata, - struct sta_info *sta, - struct sk_buff *skb) -{ - struct rate_control_ref *ref = sdata->local->rate_ctrl; - u16 tid; - - if (!ref || !(ref->ops->capa & RATE_CTRL_CAPA_AMPDU_TRIGGER)) - return; - - if (!sta || !sta->sta.ht_cap.ht_supported || - !sta->sta.wme || skb_get_queue_mapping(skb) == IEEE80211_AC_VO || - skb->protocol == sdata->control_port_protocol) - return; - - tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK; - if (likely(sta->ampdu_mlme.tid_tx[tid])) - return; - - ieee80211_start_tx_ba_session(&sta->sta, tid, 0); -} - void __ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev, u32 info_flags, diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 83c52df85870..5c03e5106751 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -670,8 +670,13 @@ bool nf_ct_delete(struct nf_conn *ct, u32 portid, int report) return false; tstamp = nf_conn_tstamp_find(ct); - if (tstamp && tstamp->stop == 0) + if (tstamp) { + s32 timeout = ct->timeout - nfct_time_stamp; + tstamp->stop = ktime_get_real_ns(); + if (timeout < 0) + tstamp->stop -= jiffies_to_nsecs(-timeout); + } if (nf_conntrack_event_report(IPCT_DESTROY, ct, portid, report) < 0) { diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c index 1e50908b1b7e..551976e4284c 100644 --- a/net/netfilter/nf_flow_table_core.c +++ b/net/netfilter/nf_flow_table_core.c @@ -331,7 +331,11 @@ EXPORT_SYMBOL_GPL(flow_offload_add); void flow_offload_refresh(struct nf_flowtable *flow_table, struct flow_offload *flow) { - flow->timeout = nf_flowtable_time_stamp + flow_offload_get_timeout(flow); + u32 timeout; + + timeout = nf_flowtable_time_stamp + flow_offload_get_timeout(flow); + if (READ_ONCE(flow->timeout) != timeout) + WRITE_ONCE(flow->timeout, timeout); if (likely(!nf_flowtable_hw_offload(flow_table))) return; diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index de182d1f7c4e..081437dd75b7 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -8445,6 +8445,16 @@ static int nf_tables_commit_audit_alloc(struct list_head *adl, return 0; } +static void nf_tables_commit_audit_free(struct list_head *adl) +{ + struct nft_audit_data *adp, *adn; + + list_for_each_entry_safe(adp, adn, adl, list) { + list_del(&adp->list); + kfree(adp); + } +} + static void nf_tables_commit_audit_collect(struct list_head *adl, struct nft_table *table, u32 op) { @@ -8509,6 +8519,7 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb) ret = nf_tables_commit_audit_alloc(&adl, trans->ctx.table); if (ret) { nf_tables_commit_chain_prepare_cancel(net); + nf_tables_commit_audit_free(&adl); return ret; } if (trans->msg_type == NFT_MSG_NEWRULE || @@ -8518,6 +8529,7 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb) ret = nf_tables_commit_chain_prepare(net, chain); if (ret < 0) { nf_tables_commit_chain_prepare_cancel(net); + nf_tables_commit_audit_free(&adl); return ret; } } diff --git a/net/netfilter/nfnetlink_hook.c b/net/netfilter/nfnetlink_hook.c index 50b4e3c9347a..202f57d17bab 100644 --- a/net/netfilter/nfnetlink_hook.c +++ b/net/netfilter/nfnetlink_hook.c @@ -174,7 +174,9 @@ static const struct nf_hook_entries * nfnl_hook_entries_head(u8 pf, unsigned int hook, struct net *net, const char *dev) { const struct nf_hook_entries *hook_head = NULL; +#ifdef CONFIG_NETFILTER_INGRESS struct net_device *netdev; +#endif switch (pf) { case NFPROTO_IPV4: diff --git a/net/netfilter/nft_last.c b/net/netfilter/nft_last.c index 8088b99f2ee3..304e33cbed9b 100644 --- a/net/netfilter/nft_last.c +++ b/net/netfilter/nft_last.c @@ -48,24 +48,30 @@ static void nft_last_eval(const struct nft_expr *expr, { struct nft_last_priv *priv = nft_expr_priv(expr); - priv->last_jiffies = jiffies; - priv->last_set = 1; + if (READ_ONCE(priv->last_jiffies) != jiffies) + WRITE_ONCE(priv->last_jiffies, jiffies); + if (READ_ONCE(priv->last_set) == 0) + WRITE_ONCE(priv->last_set, 1); } static int nft_last_dump(struct sk_buff *skb, const struct nft_expr *expr) { struct nft_last_priv *priv = nft_expr_priv(expr); + unsigned long last_jiffies = READ_ONCE(priv->last_jiffies); + u32 last_set = READ_ONCE(priv->last_set); __be64 msecs; - if (time_before(jiffies, priv->last_jiffies)) - priv->last_set = 0; + if (time_before(jiffies, last_jiffies)) { + WRITE_ONCE(priv->last_set, 0); + last_set = 0; + } - if (priv->last_set) - msecs = nf_jiffies64_to_msecs(jiffies - priv->last_jiffies); + if (last_set) + msecs = nf_jiffies64_to_msecs(jiffies - last_jiffies); else msecs = 0; - if (nla_put_be32(skb, NFTA_LAST_SET, htonl(priv->last_set)) || + if (nla_put_be32(skb, NFTA_LAST_SET, htonl(last_set)) || nla_put_be64(skb, NFTA_LAST_MSECS, msecs, NFTA_LAST_PAD)) goto nla_put_failure; diff --git a/net/netfilter/nft_nat.c b/net/netfilter/nft_nat.c index 0840c635b752..be1595d6979d 100644 --- a/net/netfilter/nft_nat.c +++ b/net/netfilter/nft_nat.c @@ -201,7 +201,9 @@ static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr, alen = sizeof_field(struct nf_nat_range, min_addr.ip6); break; default: - return -EAFNOSUPPORT; + if (tb[NFTA_NAT_REG_ADDR_MIN]) + return -EAFNOSUPPORT; + break; } priv->family = family; diff --git a/net/netrom/nr_timer.c b/net/netrom/nr_timer.c index 9115f8a7dd45..a8da88db7893 100644 --- a/net/netrom/nr_timer.c +++ b/net/netrom/nr_timer.c @@ -121,11 +121,9 @@ static void nr_heartbeat_expiry(struct timer_list *t) is accepted() it isn't 'dead' so doesn't get removed. */ if (sock_flag(sk, SOCK_DESTROY) || (sk->sk_state == TCP_LISTEN && sock_flag(sk, SOCK_DEAD))) { - sock_hold(sk); bh_unlock_sock(sk); nr_destroy_socket(sk); - sock_put(sk); - return; + goto out; } break; @@ -146,6 +144,8 @@ static void nr_heartbeat_expiry(struct timer_list *t) nr_start_heartbeat(sk); bh_unlock_sock(sk); +out: + sock_put(sk); } static void nr_t2timer_expiry(struct timer_list *t) @@ -159,6 +159,7 @@ static void nr_t2timer_expiry(struct timer_list *t) nr_enquiry_response(sk); } bh_unlock_sock(sk); + sock_put(sk); } static void nr_t4timer_expiry(struct timer_list *t) @@ -169,6 +170,7 @@ static void nr_t4timer_expiry(struct timer_list *t) bh_lock_sock(sk); nr_sk(sk)->condition &= ~NR_COND_PEER_RX_BUSY; bh_unlock_sock(sk); + sock_put(sk); } static void nr_idletimer_expiry(struct timer_list *t) @@ -197,6 +199,7 @@ static void nr_idletimer_expiry(struct timer_list *t) sock_set_flag(sk, SOCK_DEAD); } bh_unlock_sock(sk); + sock_put(sk); } static void nr_t1timer_expiry(struct timer_list *t) @@ -209,8 +212,7 @@ static void nr_t1timer_expiry(struct timer_list *t) case NR_STATE_1: if (nr->n2count == nr->n2) { nr_disconnect(sk, ETIMEDOUT); - bh_unlock_sock(sk); - return; + goto out; } else { nr->n2count++; nr_write_internal(sk, NR_CONNREQ); @@ -220,8 +222,7 @@ static void nr_t1timer_expiry(struct timer_list *t) case NR_STATE_2: if (nr->n2count == nr->n2) { nr_disconnect(sk, ETIMEDOUT); - bh_unlock_sock(sk); - return; + goto out; } else { nr->n2count++; nr_write_internal(sk, NR_DISCREQ); @@ -231,8 +232,7 @@ static void nr_t1timer_expiry(struct timer_list *t) case NR_STATE_3: if (nr->n2count == nr->n2) { nr_disconnect(sk, ETIMEDOUT); - bh_unlock_sock(sk); - return; + goto out; } else { nr->n2count++; nr_requeue_frames(sk); @@ -241,5 +241,7 @@ static void nr_t1timer_expiry(struct timer_list *t) } nr_start_t1timer(sk); +out: bh_unlock_sock(sk); + sock_put(sk); } diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c index e6f4a6202f82..171b7f3be6ef 100644 --- a/net/qrtr/qrtr.c +++ b/net/qrtr/qrtr.c @@ -518,8 +518,10 @@ int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len) if (!ipc) goto err; - if (sock_queue_rcv_skb(&ipc->sk, skb)) + if (sock_queue_rcv_skb(&ipc->sk, skb)) { + qrtr_port_put(ipc); goto err; + } qrtr_port_put(ipc); } @@ -839,6 +841,8 @@ static int qrtr_local_enqueue(struct qrtr_node *node, struct sk_buff *skb, ipc = qrtr_port_lookup(to->sq_port); if (!ipc || &ipc->sk == skb->sk) { /* do not send to self */ + if (ipc) + qrtr_port_put(ipc); kfree_skb(skb); return -ENODEV; } diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c index 81a1c67335be..8d17a543cc9f 100644 --- a/net/sched/act_skbmod.c +++ b/net/sched/act_skbmod.c @@ -6,6 +6,7 @@ */ #include <linux/module.h> +#include <linux/if_arp.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/skbuff.h> @@ -33,6 +34,13 @@ static int tcf_skbmod_act(struct sk_buff *skb, const struct tc_action *a, tcf_lastuse_update(&d->tcf_tm); bstats_cpu_update(this_cpu_ptr(d->common.cpu_bstats), skb); + action = READ_ONCE(d->tcf_action); + if (unlikely(action == TC_ACT_SHOT)) + goto drop; + + if (!skb->dev || skb->dev->type != ARPHRD_ETHER) + return action; + /* XXX: if you are going to edit more fields beyond ethernet header * (example when you add IP header replacement or vlan swap) * then MAX_EDIT_LEN needs to change appropriately @@ -41,10 +49,6 @@ static int tcf_skbmod_act(struct sk_buff *skb, const struct tc_action *a, if (unlikely(err)) /* best policy is to drop on the floor */ goto drop; - action = READ_ONCE(d->tcf_action); - if (unlikely(action == TC_ACT_SHOT)) - goto drop; - p = rcu_dereference_bh(d->skbmod_p); flags = p->flags; if (flags & SKBMOD_F_DMAC) diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index d73b5c5514a9..e3e79e9bd706 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -2904,7 +2904,7 @@ replay: break; case RTM_GETCHAIN: err = tc_chain_notify(chain, skb, n->nlmsg_seq, - n->nlmsg_seq, n->nlmsg_type, true); + n->nlmsg_flags, n->nlmsg_type, true); if (err < 0) NL_SET_ERR_MSG(extack, "Failed to send chain notify message"); break; diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c index 5b274534264c..e9a8a2c86bbd 100644 --- a/net/sched/cls_tcindex.c +++ b/net/sched/cls_tcindex.c @@ -278,6 +278,8 @@ static int tcindex_filter_result_init(struct tcindex_filter_result *r, TCA_TCINDEX_POLICE); } +static void tcindex_free_perfect_hash(struct tcindex_data *cp); + static void tcindex_partial_destroy_work(struct work_struct *work) { struct tcindex_data *p = container_of(to_rcu_work(work), @@ -285,7 +287,8 @@ static void tcindex_partial_destroy_work(struct work_struct *work) rwork); rtnl_lock(); - kfree(p->perfect); + if (p->perfect) + tcindex_free_perfect_hash(p); kfree(p); rtnl_unlock(); } diff --git a/net/sctp/auth.c b/net/sctp/auth.c index 6f8319b828b0..fe74c5f95630 100644 --- a/net/sctp/auth.c +++ b/net/sctp/auth.c @@ -860,6 +860,8 @@ int sctp_auth_set_key(struct sctp_endpoint *ep, if (replace) { list_del_init(&shkey->key_list); sctp_auth_shkey_release(shkey); + if (asoc && asoc->active_key_id == auth_key->sca_keynumber) + sctp_auth_asoc_init_active_key(asoc, GFP_KERNEL); } list_add(&cur_key->key_list, sh_keys); diff --git a/net/sctp/input.c b/net/sctp/input.c index eb3c2a34a31c..5ef86fdb1176 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -1203,7 +1203,7 @@ static struct sctp_association *__sctp_rcv_asconf_lookup( if (unlikely(!af)) return NULL; - if (af->from_addr_param(&paddr, param, peer_port, 0)) + if (!af->from_addr_param(&paddr, param, peer_port, 0)) return NULL; return __sctp_lookup_association(net, laddr, &paddr, transportp); diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index e48dd909dee5..470dbdc27d58 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -100,8 +100,9 @@ static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev, list_for_each_entry_safe(addr, temp, &net->sctp.local_addr_list, list) { if (addr->a.sa.sa_family == AF_INET6 && - ipv6_addr_equal(&addr->a.v6.sin6_addr, - &ifa->addr)) { + ipv6_addr_equal(&addr->a.v6.sin6_addr, + &ifa->addr) && + addr->a.v6.sin6_scope_id == ifa->idev->dev->ifindex) { sctp_addr_wq_mgmt(net, addr, SCTP_ADDR_DEL); found = 1; addr->valid = 0; diff --git a/net/sctp/output.c b/net/sctp/output.c index 9032ce60d50e..4dfb5ea82b05 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -104,8 +104,8 @@ void sctp_packet_config(struct sctp_packet *packet, __u32 vtag, if (asoc->param_flags & SPP_PMTUD_ENABLE) sctp_assoc_sync_pmtu(asoc); } else if (!sctp_transport_pl_enabled(tp) && - !sctp_transport_pmtu_check(tp)) { - if (asoc->param_flags & SPP_PMTUD_ENABLE) + asoc->param_flags & SPP_PMTUD_ENABLE) { + if (!sctp_transport_pmtu_check(tp)) sctp_assoc_sync_pmtu(asoc); } diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 09a8f23ec709..32df65f68c12 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -1109,12 +1109,12 @@ enum sctp_disposition sctp_sf_send_probe(struct net *net, if (!sctp_transport_pl_enabled(transport)) return SCTP_DISPOSITION_CONSUME; - sctp_transport_pl_send(transport); - - reply = sctp_make_heartbeat(asoc, transport, transport->pl.probe_size); - if (!reply) - return SCTP_DISPOSITION_NOMEM; - sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(reply)); + if (sctp_transport_pl_send(transport)) { + reply = sctp_make_heartbeat(asoc, transport, transport->pl.probe_size); + if (!reply) + return SCTP_DISPOSITION_NOMEM; + sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(reply)); + } sctp_add_cmd_sf(commands, SCTP_CMD_PROBE_TIMER_UPDATE, SCTP_TRANSPORT(transport)); @@ -1274,8 +1274,7 @@ enum sctp_disposition sctp_sf_backbeat_8_3(struct net *net, !sctp_transport_pl_enabled(link)) return SCTP_DISPOSITION_DISCARD; - sctp_transport_pl_recv(link); - if (link->pl.state == SCTP_PL_COMPLETE) + if (sctp_transport_pl_recv(link)) return SCTP_DISPOSITION_CONSUME; return sctp_sf_send_probe(net, ep, asoc, type, link, commands); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index e64e01f61b11..6b937bfd4751 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -4577,6 +4577,10 @@ static int sctp_setsockopt(struct sock *sk, int level, int optname, } if (optlen > 0) { + /* Trim it to the biggest size sctp sockopt may need if necessary */ + optlen = min_t(unsigned int, optlen, + PAGE_ALIGN(USHRT_MAX + + sizeof(__u16) * sizeof(struct sctp_reset_streams))); kopt = memdup_sockptr(optval, optlen); if (IS_ERR(kopt)) return PTR_ERR(kopt); diff --git a/net/sctp/transport.c b/net/sctp/transport.c index 397a6244dd97..a3d3ca6dd63d 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -258,16 +258,13 @@ void sctp_transport_pmtu(struct sctp_transport *transport, struct sock *sk) sctp_transport_pl_update(transport); } -void sctp_transport_pl_send(struct sctp_transport *t) +bool sctp_transport_pl_send(struct sctp_transport *t) { - pr_debug("%s: PLPMTUD: transport: %p, state: %d, pmtu: %d, size: %d, high: %d\n", - __func__, t, t->pl.state, t->pl.pmtu, t->pl.probe_size, t->pl.probe_high); - - if (t->pl.probe_count < SCTP_MAX_PROBES) { - t->pl.probe_count++; - return; - } + if (t->pl.probe_count < SCTP_MAX_PROBES) + goto out; + t->pl.last_rtx_chunks = t->asoc->rtx_data_chunks; + t->pl.probe_count = 0; if (t->pl.state == SCTP_PL_BASE) { if (t->pl.probe_size == SCTP_BASE_PLPMTU) { /* BASE_PLPMTU Confirmation Failed */ t->pl.state = SCTP_PL_ERROR; /* Base -> Error */ @@ -299,14 +296,27 @@ void sctp_transport_pl_send(struct sctp_transport *t) sctp_assoc_sync_pmtu(t->asoc); } } - t->pl.probe_count = 1; + +out: + if (t->pl.state == SCTP_PL_COMPLETE && t->pl.raise_count < 30 && + !t->pl.probe_count && t->pl.last_rtx_chunks == t->asoc->rtx_data_chunks) { + t->pl.raise_count++; + return false; + } + + pr_debug("%s: PLPMTUD: transport: %p, state: %d, pmtu: %d, size: %d, high: %d\n", + __func__, t, t->pl.state, t->pl.pmtu, t->pl.probe_size, t->pl.probe_high); + + t->pl.probe_count++; + return true; } -void sctp_transport_pl_recv(struct sctp_transport *t) +bool sctp_transport_pl_recv(struct sctp_transport *t) { pr_debug("%s: PLPMTUD: transport: %p, state: %d, pmtu: %d, size: %d, high: %d\n", __func__, t, t->pl.state, t->pl.pmtu, t->pl.probe_size, t->pl.probe_high); + t->pl.last_rtx_chunks = t->asoc->rtx_data_chunks; t->pl.pmtu = t->pl.probe_size; t->pl.probe_count = 0; if (t->pl.state == SCTP_PL_BASE) { @@ -323,7 +333,7 @@ void sctp_transport_pl_recv(struct sctp_transport *t) if (!t->pl.probe_high) { t->pl.probe_size = min(t->pl.probe_size + SCTP_PL_BIG_STEP, SCTP_MAX_PLPMTU); - return; + return false; } t->pl.probe_size += SCTP_PL_MIN_STEP; if (t->pl.probe_size >= t->pl.probe_high) { @@ -335,14 +345,13 @@ void sctp_transport_pl_recv(struct sctp_transport *t) t->pathmtu = t->pl.pmtu + sctp_transport_pl_hlen(t); sctp_assoc_sync_pmtu(t->asoc); } - } else if (t->pl.state == SCTP_PL_COMPLETE) { - t->pl.raise_count++; - if (t->pl.raise_count == 30) { - /* Raise probe_size again after 30 * interval in Search Complete */ - t->pl.state = SCTP_PL_SEARCH; /* Search Complete -> Search */ - t->pl.probe_size += SCTP_PL_MIN_STEP; - } + } else if (t->pl.state == SCTP_PL_COMPLETE && t->pl.raise_count == 30) { + /* Raise probe_size again after 30 * interval in Search Complete */ + t->pl.state = SCTP_PL_SEARCH; /* Search Complete -> Search */ + t->pl.probe_size += SCTP_PL_MIN_STEP; } + + return t->pl.state == SCTP_PL_COMPLETE; } static bool sctp_transport_pl_toobig(struct sctp_transport *t, u32 pmtu) diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c index e5c43d4d5a75..c9391d38de85 100644 --- a/net/tipc/crypto.c +++ b/net/tipc/crypto.c @@ -898,16 +898,10 @@ static int tipc_aead_decrypt(struct net *net, struct tipc_aead *aead, if (unlikely(!aead)) return -ENOKEY; - /* Cow skb data if needed */ - if (likely(!skb_cloned(skb) && - (!skb_is_nonlinear(skb) || !skb_has_frag_list(skb)))) { - nsg = 1 + skb_shinfo(skb)->nr_frags; - } else { - nsg = skb_cow_data(skb, 0, &unused); - if (unlikely(nsg < 0)) { - pr_err("RX: skb_cow_data() returned %d\n", nsg); - return nsg; - } + nsg = skb_cow_data(skb, 0, &unused); + if (unlikely(nsg < 0)) { + pr_err("RX: skb_cow_data() returned %d\n", nsg); + return nsg; } /* Allocate memory for the AEAD operation */ diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 34a97ea36cc8..75b99b7eda22 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -158,6 +158,7 @@ static void tipc_sk_remove(struct tipc_sock *tsk); static int __tipc_sendstream(struct socket *sock, struct msghdr *m, size_t dsz); static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dsz); static void tipc_sk_push_backlog(struct tipc_sock *tsk, bool nagle_ack); +static int tipc_wait_for_connect(struct socket *sock, long *timeo_p); static const struct proto_ops packet_ops; static const struct proto_ops stream_ops; @@ -1515,8 +1516,13 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen) rc = 0; } - if (unlikely(syn && !rc)) + if (unlikely(syn && !rc)) { tipc_set_sk_state(sk, TIPC_CONNECTING); + if (timeout) { + timeout = msecs_to_jiffies(timeout); + tipc_wait_for_connect(sock, &timeout); + } + } return rc ? rc : dlen; } @@ -1564,7 +1570,7 @@ static int __tipc_sendstream(struct socket *sock, struct msghdr *m, size_t dlen) return -EMSGSIZE; /* Handle implicit connection setup */ - if (unlikely(dest)) { + if (unlikely(dest && sk->sk_state == TIPC_OPEN)) { rc = __tipc_sendmsg(sock, m, dlen); if (dlen && dlen == rc) { tsk->peer_caps = tipc_node_get_capabilities(net, dnode); @@ -2646,7 +2652,7 @@ static int tipc_listen(struct socket *sock, int len) static int tipc_wait_for_accept(struct socket *sock, long timeo) { struct sock *sk = sock->sk; - DEFINE_WAIT(wait); + DEFINE_WAIT_FUNC(wait, woken_wake_function); int err; /* True wake-one mechanism for incoming connections: only @@ -2655,12 +2661,12 @@ static int tipc_wait_for_accept(struct socket *sock, long timeo) * anymore, the common case will execute the loop only once. */ for (;;) { - prepare_to_wait_exclusive(sk_sleep(sk), &wait, - TASK_INTERRUPTIBLE); if (timeo && skb_queue_empty(&sk->sk_receive_queue)) { + add_wait_queue(sk_sleep(sk), &wait); release_sock(sk); - timeo = schedule_timeout(timeo); + timeo = wait_woken(&wait, TASK_INTERRUPTIBLE, timeo); lock_sock(sk); + remove_wait_queue(sk_sleep(sk), &wait); } err = 0; if (!skb_queue_empty(&sk->sk_receive_queue)) @@ -2672,7 +2678,6 @@ static int tipc_wait_for_accept(struct socket *sock, long timeo) if (signal_pending(current)) break; } - finish_wait(sk_sleep(sk), &wait); return err; } @@ -2689,9 +2694,10 @@ static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags, bool kern) { struct sock *new_sk, *sk = sock->sk; - struct sk_buff *buf; struct tipc_sock *new_tsock; + struct msghdr m = {NULL,}; struct tipc_msg *msg; + struct sk_buff *buf; long timeo; int res; @@ -2737,19 +2743,17 @@ static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags, } /* - * Respond to 'SYN-' by discarding it & returning 'ACK'-. - * Respond to 'SYN+' by queuing it on new socket. + * Respond to 'SYN-' by discarding it & returning 'ACK'. + * Respond to 'SYN+' by queuing it on new socket & returning 'ACK'. */ if (!msg_data_sz(msg)) { - struct msghdr m = {NULL,}; - tsk_advance_rx_queue(sk); - __tipc_sendstream(new_sock, &m, 0); } else { __skb_dequeue(&sk->sk_receive_queue); __skb_queue_head(&new_sk->sk_receive_queue, buf); skb_set_owner_r(buf, new_sk); } + __tipc_sendstream(new_sock, &m, 0); release_sock(new_sk); exit: release_sock(sk); diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 23c92ad15c61..ba7ced947e51 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1526,6 +1526,53 @@ out: return err; } +static void unix_peek_fds(struct scm_cookie *scm, struct sk_buff *skb) +{ + scm->fp = scm_fp_dup(UNIXCB(skb).fp); + + /* + * Garbage collection of unix sockets starts by selecting a set of + * candidate sockets which have reference only from being in flight + * (total_refs == inflight_refs). This condition is checked once during + * the candidate collection phase, and candidates are marked as such, so + * that non-candidates can later be ignored. While inflight_refs is + * protected by unix_gc_lock, total_refs (file count) is not, hence this + * is an instantaneous decision. + * + * Once a candidate, however, the socket must not be reinstalled into a + * file descriptor while the garbage collection is in progress. + * + * If the above conditions are met, then the directed graph of + * candidates (*) does not change while unix_gc_lock is held. + * + * Any operations that changes the file count through file descriptors + * (dup, close, sendmsg) does not change the graph since candidates are + * not installed in fds. + * + * Dequeing a candidate via recvmsg would install it into an fd, but + * that takes unix_gc_lock to decrement the inflight count, so it's + * serialized with garbage collection. + * + * MSG_PEEK is special in that it does not change the inflight count, + * yet does install the socket into an fd. The following lock/unlock + * pair is to ensure serialization with garbage collection. It must be + * done between incrementing the file count and installing the file into + * an fd. + * + * If garbage collection starts after the barrier provided by the + * lock/unlock, then it will see the elevated refcount and not mark this + * as a candidate. If a garbage collection is already in progress + * before the file count was incremented, then the lock/unlock pair will + * ensure that garbage collection is finished before progressing to + * installing the fd. + * + * (*) A -> B where B is on the queue of A or B is on the queue of C + * which is on the queue of listening socket A. + */ + spin_lock(&unix_gc_lock); + spin_unlock(&unix_gc_lock); +} + static int unix_scm_to_skb(struct scm_cookie *scm, struct sk_buff *skb, bool send_fds) { int err = 0; @@ -2175,7 +2222,7 @@ static int unix_dgram_recvmsg(struct socket *sock, struct msghdr *msg, sk_peek_offset_fwd(sk, size); if (UNIXCB(skb).fp) - scm.fp = scm_fp_dup(UNIXCB(skb).fp); + unix_peek_fds(&scm, skb); } err = (flags & MSG_TRUNC) ? skb->len - skip : size; @@ -2418,7 +2465,7 @@ unlock: /* It is questionable, see note in unix_dgram_recvmsg. */ if (UNIXCB(skb).fp) - scm.fp = scm_fp_dup(UNIXCB(skb).fp); + unix_peek_fds(&scm, skb); sk_peek_offset_fwd(sk, chunk); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 50eb405b0690..16c88beea48b 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -2351,7 +2351,10 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, goto nla_put_failure; for (band = state->band_start; - band < NUM_NL80211_BANDS; band++) { + band < (state->split ? + NUM_NL80211_BANDS : + NL80211_BAND_60GHZ + 1); + band++) { struct ieee80211_supported_band *sband; /* omit higher bands for ancient software */ diff --git a/net/wireless/scan.c b/net/wireless/scan.c index f03c7ac8e184..7897b1478c3c 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -1754,16 +1754,14 @@ cfg80211_bss_update(struct cfg80211_registered_device *rdev, * be grouped with this beacon for updates ... */ if (!cfg80211_combine_bsses(rdev, new)) { - kfree(new); + bss_ref_put(rdev, new); goto drop; } } if (rdev->bss_entries >= bss_entries_limit && !cfg80211_bss_expire_oldest(rdev)) { - if (!list_empty(&new->hidden_list)) - list_del(&new->hidden_list); - kfree(new); + bss_ref_put(rdev, new); goto drop; } diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 14e32825c339..6a2971a7e6a1 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -246,12 +246,18 @@ static bool hw_support_mmap(struct snd_pcm_substream *substream) if (!(substream->runtime->hw.info & SNDRV_PCM_INFO_MMAP)) return false; - if (substream->ops->mmap || - (substream->dma_buffer.dev.type != SNDRV_DMA_TYPE_DEV && - substream->dma_buffer.dev.type != SNDRV_DMA_TYPE_DEV_UC)) + if (substream->ops->mmap) return true; - return dma_can_mmap(substream->dma_buffer.dev.dev); + switch (substream->dma_buffer.dev.type) { + case SNDRV_DMA_TYPE_UNKNOWN: + return false; + case SNDRV_DMA_TYPE_CONTINUOUS: + case SNDRV_DMA_TYPE_VMALLOC: + return true; + default: + return dma_can_mmap(substream->dma_buffer.dev.dev); + } } static int constrain_mask_params(struct snd_pcm_substream *substream, @@ -3063,9 +3069,14 @@ static int snd_pcm_ioctl_sync_ptr_compat(struct snd_pcm_substream *substream, boundary = 0x7fffffff; snd_pcm_stream_lock_irq(substream); /* FIXME: we should consider the boundary for the sync from app */ - if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL)) - control->appl_ptr = scontrol.appl_ptr; - else + if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL)) { + err = pcm_lib_apply_appl_ptr(substream, + scontrol.appl_ptr); + if (err < 0) { + snd_pcm_stream_unlock_irq(substream); + return err; + } + } else scontrol.appl_ptr = control->appl_ptr % boundary; if (!(sflags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN)) control->avail_min = scontrol.avail_min; @@ -3664,6 +3675,8 @@ static vm_fault_t snd_pcm_mmap_data_fault(struct vm_fault *vmf) return VM_FAULT_SIGBUS; if (substream->ops->page) page = substream->ops->page(substream, offset); + else if (!snd_pcm_get_dma_buf(substream)) + page = virt_to_page(runtime->dma_area + offset); else page = snd_sgbuf_get_page(snd_pcm_get_dma_buf(substream), offset); if (!page) diff --git a/sound/hda/intel-dsp-config.c b/sound/hda/intel-dsp-config.c index d8be146793ee..c9d0ba353463 100644 --- a/sound/hda/intel-dsp-config.c +++ b/sound/hda/intel-dsp-config.c @@ -319,6 +319,10 @@ static const struct config_entry config_table[] = { .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC, .device = 0x4b55, }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC, + .device = 0x4b58, + }, #endif /* Alder Lake */ diff --git a/sound/isa/sb/sb16_csp.c b/sound/isa/sb/sb16_csp.c index 5bbe6695689d..7ad8c5f7b664 100644 --- a/sound/isa/sb/sb16_csp.c +++ b/sound/isa/sb/sb16_csp.c @@ -816,6 +816,7 @@ static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channel mixR = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV + 1); snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL & 0x7); snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR & 0x7); + spin_unlock_irqrestore(&p->chip->mixer_lock, flags); spin_lock(&p->chip->reg_lock); set_mode_register(p->chip, 0xc0); /* c0 = STOP */ @@ -855,6 +856,7 @@ static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channel spin_unlock(&p->chip->reg_lock); /* restore PCM volume */ + spin_lock_irqsave(&p->chip->mixer_lock, flags); snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL); snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR); spin_unlock_irqrestore(&p->chip->mixer_lock, flags); @@ -880,6 +882,7 @@ static int snd_sb_csp_stop(struct snd_sb_csp * p) mixR = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV + 1); snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL & 0x7); snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR & 0x7); + spin_unlock_irqrestore(&p->chip->mixer_lock, flags); spin_lock(&p->chip->reg_lock); if (p->running & SNDRV_SB_CSP_ST_QSOUND) { @@ -894,6 +897,7 @@ static int snd_sb_csp_stop(struct snd_sb_csp * p) spin_unlock(&p->chip->reg_lock); /* restore PCM volume */ + spin_lock_irqsave(&p->chip->mixer_lock, flags); snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL); snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR); spin_unlock_irqrestore(&p->chip->mixer_lock, flags); diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 4b2cc8cb55c4..e143e69d8184 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -1940,6 +1940,8 @@ static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) static const struct snd_pci_quirk force_connect_list[] = { SND_PCI_QUIRK(0x103c, 0x870f, "HP", 1), SND_PCI_QUIRK(0x103c, 0x871a, "HP", 1), + SND_PCI_QUIRK(0x1462, 0xec94, "MS-7C94", 1), + SND_PCI_QUIRK(0x8086, 0x2081, "Intel NUC 10", 1), {} }; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 1389cfd5e0db..caaf0e8aac11 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -8626,6 +8626,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x3151, "ThinkCentre Station", ALC283_FIXUP_HEADSET_MIC), SND_PCI_QUIRK(0x17aa, 0x3176, "ThinkCentre Station", ALC283_FIXUP_HEADSET_MIC), SND_PCI_QUIRK(0x17aa, 0x3178, "ThinkCentre Station", ALC283_FIXUP_HEADSET_MIC), + SND_PCI_QUIRK(0x17aa, 0x31af, "ThinkCentre Station", ALC623_FIXUP_LENOVO_THINKSTATION_P340), SND_PCI_QUIRK(0x17aa, 0x3818, "Lenovo C940", ALC298_FIXUP_LENOVO_SPK_VOLUME), SND_PCI_QUIRK(0x17aa, 0x3827, "Ideapad S740", ALC285_FIXUP_IDEAPAD_S740_COEF), SND_PCI_QUIRK(0x17aa, 0x3843, "Yoga 9i", ALC287_FIXUP_IDEAPAD_BASS_SPK_AMP), diff --git a/sound/soc/amd/acp-da7219-max98357a.c b/sound/soc/amd/acp-da7219-max98357a.c index 84e3906abd4f..9449fb40a956 100644 --- a/sound/soc/amd/acp-da7219-max98357a.c +++ b/sound/soc/amd/acp-da7219-max98357a.c @@ -576,6 +576,7 @@ static struct snd_soc_dai_link cz_dai_5682_98357[] = { | SND_SOC_DAIFMT_CBM_CFM, .init = cz_rt5682_init, .dpcm_playback = 1, + .stop_dma_first = 1, .ops = &cz_rt5682_play_ops, SND_SOC_DAILINK_REG(designware1, rt5682, platform), }, @@ -585,6 +586,7 @@ static struct snd_soc_dai_link cz_dai_5682_98357[] = { .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .dpcm_capture = 1, + .stop_dma_first = 1, .ops = &cz_rt5682_cap_ops, SND_SOC_DAILINK_REG(designware2, rt5682, platform), }, @@ -594,6 +596,7 @@ static struct snd_soc_dai_link cz_dai_5682_98357[] = { .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .dpcm_playback = 1, + .stop_dma_first = 1, .ops = &cz_rt5682_max_play_ops, SND_SOC_DAILINK_REG(designware3, mx, platform), }, @@ -604,6 +607,7 @@ static struct snd_soc_dai_link cz_dai_5682_98357[] = { .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .dpcm_capture = 1, + .stop_dma_first = 1, .ops = &cz_rt5682_dmic0_cap_ops, SND_SOC_DAILINK_REG(designware3, adau, platform), }, @@ -614,6 +618,7 @@ static struct snd_soc_dai_link cz_dai_5682_98357[] = { .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .dpcm_capture = 1, + .stop_dma_first = 1, .ops = &cz_rt5682_dmic1_cap_ops, SND_SOC_DAILINK_REG(designware2, adau, platform), }, diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 7ebae3f09435..a3b784ed4f70 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -1325,7 +1325,7 @@ config SND_SOC_SSM2305 high-efficiency mono Class-D audio power amplifiers. config SND_SOC_SSM2518 - tristate + tristate "Analog Devices SSM2518 Class-D Amplifier" depends on I2C config SND_SOC_SSM2602 @@ -1557,6 +1557,7 @@ config SND_SOC_WCD934X Qualcomm SoCs like SDM845. config SND_SOC_WCD938X + depends on SND_SOC_WCD938X_SDW tristate config SND_SOC_WCD938X_SDW @@ -1813,11 +1814,6 @@ config SND_SOC_ZL38060 which consists of a Digital Signal Processor (DSP), several Digital Audio Interfaces (DAIs), analog outputs, and a block of 14 GPIOs. -config SND_SOC_ZX_AUD96P22 - tristate "ZTE ZX AUD96P22 CODEC" - depends on I2C - select REGMAP_I2C - # Amp config SND_SOC_LM4857 tristate diff --git a/sound/soc/codecs/rt5631.c b/sound/soc/codecs/rt5631.c index 3000bc128b5b..38356ea2bd6e 100644 --- a/sound/soc/codecs/rt5631.c +++ b/sound/soc/codecs/rt5631.c @@ -1695,6 +1695,8 @@ static const struct regmap_config rt5631_regmap_config = { .reg_defaults = rt5631_reg, .num_reg_defaults = ARRAY_SIZE(rt5631_reg), .cache_type = REGCACHE_RBTREE, + .use_single_read = true, + .use_single_write = true, }; static int rt5631_i2c_probe(struct i2c_client *i2c, diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c index e4c91571abae..abcd6f483788 100644 --- a/sound/soc/codecs/rt5682.c +++ b/sound/soc/codecs/rt5682.c @@ -973,10 +973,14 @@ int rt5682_headset_detect(struct snd_soc_component *component, int jack_insert) rt5682_enable_push_button_irq(component, false); snd_soc_component_update_bits(component, RT5682_CBJ_CTRL_1, RT5682_TRIG_JD_MASK, RT5682_TRIG_JD_LOW); - if (!snd_soc_dapm_get_pin_status(dapm, "MICBIAS")) + if (!snd_soc_dapm_get_pin_status(dapm, "MICBIAS") && + !snd_soc_dapm_get_pin_status(dapm, "PLL1") && + !snd_soc_dapm_get_pin_status(dapm, "PLL2B")) snd_soc_component_update_bits(component, RT5682_PWR_ANLG_1, RT5682_PWR_MB, 0); - if (!snd_soc_dapm_get_pin_status(dapm, "Vref2")) + if (!snd_soc_dapm_get_pin_status(dapm, "Vref2") && + !snd_soc_dapm_get_pin_status(dapm, "PLL1") && + !snd_soc_dapm_get_pin_status(dapm, "PLL2B")) snd_soc_component_update_bits(component, RT5682_PWR_ANLG_1, RT5682_PWR_VREF2, 0); snd_soc_component_update_bits(component, RT5682_PWR_ANLG_3, diff --git a/sound/soc/codecs/tlv320aic31xx.c b/sound/soc/codecs/tlv320aic31xx.c index 51870d50f419..b504d63385b3 100644 --- a/sound/soc/codecs/tlv320aic31xx.c +++ b/sound/soc/codecs/tlv320aic31xx.c @@ -1604,6 +1604,8 @@ static int aic31xx_i2c_probe(struct i2c_client *i2c, ret); return ret; } + regcache_cache_only(aic31xx->regmap, true); + aic31xx->dev = &i2c->dev; aic31xx->irq = i2c->irq; diff --git a/sound/soc/codecs/tlv320aic31xx.h b/sound/soc/codecs/tlv320aic31xx.h index 81952984613d..2513922a0292 100644 --- a/sound/soc/codecs/tlv320aic31xx.h +++ b/sound/soc/codecs/tlv320aic31xx.h @@ -151,8 +151,8 @@ struct aic31xx_pdata { #define AIC31XX_WORD_LEN_24BITS 0x02 #define AIC31XX_WORD_LEN_32BITS 0x03 #define AIC31XX_IFACE1_MASTER_MASK GENMASK(3, 2) -#define AIC31XX_BCLK_MASTER BIT(2) -#define AIC31XX_WCLK_MASTER BIT(3) +#define AIC31XX_BCLK_MASTER BIT(3) +#define AIC31XX_WCLK_MASTER BIT(2) /* AIC31XX_DATA_OFFSET */ #define AIC31XX_DATA_OFFSET_MASK GENMASK(7, 0) diff --git a/sound/soc/codecs/tlv320aic32x4.c b/sound/soc/codecs/tlv320aic32x4.c index c63b717040ed..dcd8aeb45cb3 100644 --- a/sound/soc/codecs/tlv320aic32x4.c +++ b/sound/soc/codecs/tlv320aic32x4.c @@ -250,8 +250,8 @@ static DECLARE_TLV_DB_SCALE(tlv_pcm, -6350, 50, 0); static DECLARE_TLV_DB_SCALE(tlv_driver_gain, -600, 100, 0); /* -12dB min, 0.5dB steps */ static DECLARE_TLV_DB_SCALE(tlv_adc_vol, -1200, 50, 0); - -static DECLARE_TLV_DB_LINEAR(tlv_spk_vol, TLV_DB_GAIN_MUTE, 0); +/* -6dB min, 1dB steps */ +static DECLARE_TLV_DB_SCALE(tlv_tas_driver_gain, -5850, 50, 0); static DECLARE_TLV_DB_SCALE(tlv_amp_vol, 0, 600, 1); static const char * const lo_cm_text[] = { @@ -1063,21 +1063,20 @@ static const struct snd_soc_component_driver soc_component_dev_aic32x4 = { }; static const struct snd_kcontrol_new aic32x4_tas2505_snd_controls[] = { - SOC_DOUBLE_R_S_TLV("PCM Playback Volume", AIC32X4_LDACVOL, - AIC32X4_LDACVOL, 0, -0x7f, 0x30, 7, 0, tlv_pcm), + SOC_SINGLE_S8_TLV("PCM Playback Volume", + AIC32X4_LDACVOL, -0x7f, 0x30, tlv_pcm), SOC_ENUM("DAC Playback PowerTune Switch", l_ptm_enum), - SOC_DOUBLE_R_S_TLV("HP Driver Playback Volume", AIC32X4_HPLGAIN, - AIC32X4_HPLGAIN, 0, -0x6, 0x1d, 5, 0, - tlv_driver_gain), - SOC_DOUBLE_R("HP DAC Playback Switch", AIC32X4_HPLGAIN, - AIC32X4_HPLGAIN, 6, 0x01, 1), - SOC_SINGLE("Auto-mute Switch", AIC32X4_DACMUTE, 4, 7, 0), + SOC_SINGLE_TLV("HP Driver Gain Volume", + AIC32X4_HPLGAIN, 0, 0x74, 1, tlv_tas_driver_gain), + SOC_SINGLE("HP DAC Playback Switch", AIC32X4_HPLGAIN, 6, 1, 1), - SOC_SINGLE_RANGE_TLV("Speaker Driver Playback Volume", TAS2505_SPKVOL1, - 0, 0, 117, 1, tlv_spk_vol), - SOC_SINGLE_TLV("Speaker Amplifier Playback Volume", TAS2505_SPKVOL2, - 4, 5, 0, tlv_amp_vol), + SOC_SINGLE_TLV("Speaker Driver Playback Volume", + TAS2505_SPKVOL1, 0, 0x74, 1, tlv_tas_driver_gain), + SOC_SINGLE_TLV("Speaker Amplifier Playback Volume", + TAS2505_SPKVOL2, 4, 5, 0, tlv_amp_vol), + + SOC_SINGLE("Auto-mute Switch", AIC32X4_DACMUTE, 4, 7, 0), }; static const struct snd_kcontrol_new hp_output_mixer_controls[] = { diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c index 78b76eceff8f..2fcc97370be2 100644 --- a/sound/soc/codecs/wcd938x.c +++ b/sound/soc/codecs/wcd938x.c @@ -3317,13 +3317,6 @@ static int wcd938x_soc_codec_probe(struct snd_soc_component *component) (WCD938X_DIGITAL_INTR_LEVEL_0 + i), 0); } - ret = wcd938x_irq_init(wcd938x, component->dev); - if (ret) { - dev_err(component->dev, "%s: IRQ init failed: %d\n", - __func__, ret); - return ret; - } - wcd938x->hphr_pdm_wd_int = regmap_irq_get_virq(wcd938x->irq_chip, WCD938X_IRQ_HPHR_PDM_WD_INT); wcd938x->hphl_pdm_wd_int = regmap_irq_get_virq(wcd938x->irq_chip, @@ -3553,7 +3546,6 @@ static int wcd938x_bind(struct device *dev) } wcd938x->sdw_priv[AIF1_PB] = dev_get_drvdata(wcd938x->rxdev); wcd938x->sdw_priv[AIF1_PB]->wcd938x = wcd938x; - wcd938x->sdw_priv[AIF1_PB]->slave_irq = wcd938x->virq; wcd938x->txdev = wcd938x_sdw_device_get(wcd938x->txnode); if (!wcd938x->txdev) { @@ -3562,7 +3554,6 @@ static int wcd938x_bind(struct device *dev) } wcd938x->sdw_priv[AIF1_CAP] = dev_get_drvdata(wcd938x->txdev); wcd938x->sdw_priv[AIF1_CAP]->wcd938x = wcd938x; - wcd938x->sdw_priv[AIF1_CAP]->slave_irq = wcd938x->virq; wcd938x->tx_sdw_dev = dev_to_sdw_dev(wcd938x->txdev); if (!wcd938x->tx_sdw_dev) { dev_err(dev, "could not get txslave with matching of dev\n"); @@ -3595,6 +3586,15 @@ static int wcd938x_bind(struct device *dev) return PTR_ERR(wcd938x->regmap); } + ret = wcd938x_irq_init(wcd938x, dev); + if (ret) { + dev_err(dev, "%s: IRQ init failed: %d\n", __func__, ret); + return ret; + } + + wcd938x->sdw_priv[AIF1_PB]->slave_irq = wcd938x->virq; + wcd938x->sdw_priv[AIF1_CAP]->slave_irq = wcd938x->virq; + ret = wcd938x_set_micbias_data(wcd938x); if (ret < 0) { dev_err(dev, "%s: bad micbias pdata\n", __func__); diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 37aa020f23f6..549d98241dae 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -282,6 +282,7 @@ /* * HALO_CCM_CORE_CONTROL */ +#define HALO_CORE_RESET 0x00000200 #define HALO_CORE_EN 0x00000001 /* @@ -1213,7 +1214,7 @@ static int wm_coeff_tlv_get(struct snd_kcontrol *kctl, mutex_lock(&ctl->dsp->pwr_lock); - ret = wm_coeff_read_ctrl_raw(ctl, ctl->cache, size); + ret = wm_coeff_read_ctrl(ctl, ctl->cache, size); if (!ret && copy_to_user(bytes, ctl->cache, size)) ret = -EFAULT; @@ -3333,7 +3334,8 @@ static int wm_halo_start_core(struct wm_adsp *dsp) { return regmap_update_bits(dsp->regmap, dsp->base + HALO_CCM_CORE_CONTROL, - HALO_CORE_EN, HALO_CORE_EN); + HALO_CORE_RESET | HALO_CORE_EN, + HALO_CORE_RESET | HALO_CORE_EN); } static void wm_halo_stop_core(struct wm_adsp *dsp) diff --git a/sound/soc/intel/boards/sof_sdw_max98373.c b/sound/soc/intel/boards/sof_sdw_max98373.c index 0e7ed906b341..25daef910aee 100644 --- a/sound/soc/intel/boards/sof_sdw_max98373.c +++ b/sound/soc/intel/boards/sof_sdw_max98373.c @@ -55,43 +55,68 @@ static int spk_init(struct snd_soc_pcm_runtime *rtd) return ret; } -static int max98373_sdw_trigger(struct snd_pcm_substream *substream, int cmd) +static int mx8373_enable_spk_pin(struct snd_pcm_substream *substream, bool enable) { + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_dai *codec_dai; + struct snd_soc_dai *cpu_dai; int ret; + int j; - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - /* enable max98373 first */ - ret = max_98373_trigger(substream, cmd); - if (ret < 0) - break; - - ret = sdw_trigger(substream, cmd); - break; - case SNDRV_PCM_TRIGGER_STOP: - case SNDRV_PCM_TRIGGER_SUSPEND: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - ret = sdw_trigger(substream, cmd); - if (ret < 0) - break; - - ret = max_98373_trigger(substream, cmd); - break; - default: - ret = -EINVAL; - break; + /* set spk pin by playback only */ + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + return 0; + + cpu_dai = asoc_rtd_to_cpu(rtd, 0); + for_each_rtd_codec_dais(rtd, j, codec_dai) { + struct snd_soc_dapm_context *dapm = + snd_soc_component_get_dapm(cpu_dai->component); + char pin_name[16]; + + snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk", + codec_dai->component->name_prefix); + + if (enable) + ret = snd_soc_dapm_enable_pin(dapm, pin_name); + else + ret = snd_soc_dapm_disable_pin(dapm, pin_name); + + if (!ret) + snd_soc_dapm_sync(dapm); } - return ret; + return 0; +} + +static int mx8373_sdw_prepare(struct snd_pcm_substream *substream) +{ + int ret = 0; + + /* according to soc_pcm_prepare dai link prepare is called first */ + ret = sdw_prepare(substream); + if (ret < 0) + return ret; + + return mx8373_enable_spk_pin(substream, true); +} + +static int mx8373_sdw_hw_free(struct snd_pcm_substream *substream) +{ + int ret = 0; + + /* according to soc_pcm_hw_free dai link free is called first */ + ret = sdw_hw_free(substream); + if (ret < 0) + return ret; + + return mx8373_enable_spk_pin(substream, false); } static const struct snd_soc_ops max_98373_sdw_ops = { .startup = sdw_startup, - .prepare = sdw_prepare, - .trigger = max98373_sdw_trigger, - .hw_free = sdw_hw_free, + .prepare = mx8373_sdw_prepare, + .trigger = sdw_trigger, + .hw_free = mx8373_sdw_hw_free, .shutdown = sdw_shutdown, }; diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 46513bb97904..d1c570ca21ea 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -1015,6 +1015,7 @@ out: static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd) { + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); int ret = -EINVAL, _ret = 0; int rollback = 0; @@ -1055,14 +1056,23 @@ start_err: case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - ret = snd_soc_pcm_dai_trigger(substream, cmd, rollback); - if (ret < 0) - break; + if (rtd->dai_link->stop_dma_first) { + ret = snd_soc_pcm_component_trigger(substream, cmd, rollback); + if (ret < 0) + break; - ret = snd_soc_pcm_component_trigger(substream, cmd, rollback); - if (ret < 0) - break; + ret = snd_soc_pcm_dai_trigger(substream, cmd, rollback); + if (ret < 0) + break; + } else { + ret = snd_soc_pcm_dai_trigger(substream, cmd, rollback); + if (ret < 0) + break; + ret = snd_soc_pcm_component_trigger(substream, cmd, rollback); + if (ret < 0) + break; + } ret = snd_soc_link_trigger(substream, cmd, rollback); break; } diff --git a/sound/soc/sof/intel/pci-tgl.c b/sound/soc/sof/intel/pci-tgl.c index a00262184efa..d04ce84fe7cc 100644 --- a/sound/soc/sof/intel/pci-tgl.c +++ b/sound/soc/sof/intel/pci-tgl.c @@ -89,6 +89,7 @@ static const struct sof_dev_desc adls_desc = { static const struct sof_dev_desc adl_desc = { .machines = snd_soc_acpi_intel_adl_machines, .alt_machines = snd_soc_acpi_intel_adl_sdw_machines, + .use_acpi_target_states = true, .resindex_lpe_base = 0, .resindex_pcicfg_base = -1, .resindex_imr_base = -1, diff --git a/sound/soc/tegra/tegra_pcm.c b/sound/soc/tegra/tegra_pcm.c index 573374b89b10..d3276b4595af 100644 --- a/sound/soc/tegra/tegra_pcm.c +++ b/sound/soc/tegra/tegra_pcm.c @@ -213,19 +213,19 @@ snd_pcm_uframes_t tegra_pcm_pointer(struct snd_soc_component *component, } EXPORT_SYMBOL_GPL(tegra_pcm_pointer); -static int tegra_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream, +static int tegra_pcm_preallocate_dma_buffer(struct device *dev, struct snd_pcm *pcm, int stream, size_t size) { struct snd_pcm_substream *substream = pcm->streams[stream].substream; struct snd_dma_buffer *buf = &substream->dma_buffer; - buf->area = dma_alloc_wc(pcm->card->dev, size, &buf->addr, GFP_KERNEL); + buf->area = dma_alloc_wc(dev, size, &buf->addr, GFP_KERNEL); if (!buf->area) return -ENOMEM; buf->private_data = NULL; buf->dev.type = SNDRV_DMA_TYPE_DEV; - buf->dev.dev = pcm->card->dev; + buf->dev.dev = dev; buf->bytes = size; return 0; @@ -244,31 +244,28 @@ static void tegra_pcm_deallocate_dma_buffer(struct snd_pcm *pcm, int stream) if (!buf->area) return; - dma_free_wc(pcm->card->dev, buf->bytes, buf->area, buf->addr); + dma_free_wc(buf->dev.dev, buf->bytes, buf->area, buf->addr); buf->area = NULL; } -static int tegra_pcm_dma_allocate(struct snd_soc_pcm_runtime *rtd, +static int tegra_pcm_dma_allocate(struct device *dev, struct snd_soc_pcm_runtime *rtd, size_t size) { - struct snd_card *card = rtd->card->snd_card; struct snd_pcm *pcm = rtd->pcm; int ret; - ret = dma_set_mask_and_coherent(card->dev, DMA_BIT_MASK(32)); + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); if (ret < 0) return ret; if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { - ret = tegra_pcm_preallocate_dma_buffer(pcm, - SNDRV_PCM_STREAM_PLAYBACK, size); + ret = tegra_pcm_preallocate_dma_buffer(dev, pcm, SNDRV_PCM_STREAM_PLAYBACK, size); if (ret) goto err; } if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { - ret = tegra_pcm_preallocate_dma_buffer(pcm, - SNDRV_PCM_STREAM_CAPTURE, size); + ret = tegra_pcm_preallocate_dma_buffer(dev, pcm, SNDRV_PCM_STREAM_CAPTURE, size); if (ret) goto err_free_play; } @@ -284,7 +281,16 @@ err: int tegra_pcm_construct(struct snd_soc_component *component, struct snd_soc_pcm_runtime *rtd) { - return tegra_pcm_dma_allocate(rtd, tegra_pcm_hardware.buffer_bytes_max); + struct device *dev = component->dev; + + /* + * Fallback for backwards-compatibility with older device trees that + * have the iommus property in the virtual, top-level "sound" node. + */ + if (!of_get_property(dev->of_node, "iommus", NULL)) + dev = rtd->card->snd_card->dev; + + return tegra_pcm_dma_allocate(dev, rtd, tegra_pcm_hardware.buffer_bytes_max); } EXPORT_SYMBOL_GPL(tegra_pcm_construct); diff --git a/sound/soc/ti/j721e-evm.c b/sound/soc/ti/j721e-evm.c index a7c0484d44ec..265bbc5a2f96 100644 --- a/sound/soc/ti/j721e-evm.c +++ b/sound/soc/ti/j721e-evm.c @@ -197,7 +197,7 @@ static int j721e_configure_refclk(struct j721e_priv *priv, return ret; } - if (priv->hsdiv_rates[domain->parent_clk_id] != scki) { + if (domain->parent_clk_id == -1 || priv->hsdiv_rates[domain->parent_clk_id] != scki) { dev_dbg(priv->dev, "%s configuration for %u Hz: %s, %dxFS (SCKI: %u Hz)\n", audio_domain == J721E_AUDIO_DOMAIN_CPB ? "CPB" : "IVI", @@ -278,23 +278,29 @@ static int j721e_audio_startup(struct snd_pcm_substream *substream) j721e_rule_rate, &priv->rate_range, SNDRV_PCM_HW_PARAM_RATE, -1); - mutex_unlock(&priv->mutex); if (ret) - return ret; + goto out; /* Reset TDM slots to 32 */ ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, 32); if (ret && ret != -ENOTSUPP) - return ret; + goto out; for_each_rtd_codec_dais(rtd, i, codec_dai) { ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 2, 32); if (ret && ret != -ENOTSUPP) - return ret; + goto out; } - return 0; + if (ret == -ENOTSUPP) + ret = 0; +out: + if (ret) + domain->active--; + mutex_unlock(&priv->mutex); + + return ret; } static int j721e_audio_hw_params(struct snd_pcm_substream *substream, diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 30b3e128e28d..f4cdaf1ba44a 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -3295,7 +3295,15 @@ static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer, { struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); static const char * const val_types[] = { - "BOOLEAN", "INV_BOOLEAN", "S8", "U8", "S16", "U16", "S32", "U32", + [USB_MIXER_BOOLEAN] = "BOOLEAN", + [USB_MIXER_INV_BOOLEAN] = "INV_BOOLEAN", + [USB_MIXER_S8] = "S8", + [USB_MIXER_U8] = "U8", + [USB_MIXER_S16] = "S16", + [USB_MIXER_U16] = "U16", + [USB_MIXER_S32] = "S32", + [USB_MIXER_U32] = "U32", + [USB_MIXER_BESPOKEN] = "BESPOKEN", }; snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, " "channels=%i, type=\"%s\"\n", cval->head.id, diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 8b8bee3c3dd6..e7accd87e063 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1897,6 +1897,9 @@ static const struct registration_quirk registration_quirks[] = { REG_QUIRK_ENTRY(0x0951, 0x16d8, 2), /* Kingston HyperX AMP */ REG_QUIRK_ENTRY(0x0951, 0x16ed, 2), /* Kingston HyperX Cloud Alpha S */ REG_QUIRK_ENTRY(0x0951, 0x16ea, 2), /* Kingston HyperX Cloud Flight S */ + REG_QUIRK_ENTRY(0x0ecb, 0x1f46, 2), /* JBL Quantum 600 */ + REG_QUIRK_ENTRY(0x0ecb, 0x2039, 2), /* JBL Quantum 400 */ + REG_QUIRK_ENTRY(0x0ecb, 0x203e, 2), /* JBL Quantum 800 */ { 0 } /* terminator */ }; diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c index 1828bba19020..dc6daa193557 100644 --- a/tools/bpf/bpftool/common.c +++ b/tools/bpf/bpftool/common.c @@ -222,6 +222,11 @@ int mount_bpffs_for_pin(const char *name) int err = 0; file = malloc(strlen(name) + 1); + if (!file) { + p_err("mem alloc failed"); + return -1; + } + strcpy(file, name); dir = dirname(file); diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index 22f8326547eb..bc1f64873c8f 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -2434,6 +2434,22 @@ static int cs_etm__process_event(struct perf_session *session, return 0; } +static void dump_queued_data(struct cs_etm_auxtrace *etm, + struct perf_record_auxtrace *event) +{ + struct auxtrace_buffer *buf; + unsigned int i; + /* + * Find all buffers with same reference in the queues and dump them. + * This is because the queues can contain multiple entries of the same + * buffer that were split on aux records. + */ + for (i = 0; i < etm->queues.nr_queues; ++i) + list_for_each_entry(buf, &etm->queues.queue_array[i].head, list) + if (buf->reference == event->reference) + cs_etm__dump_event(etm, buf); +} + static int cs_etm__process_auxtrace_event(struct perf_session *session, union perf_event *event, struct perf_tool *tool __maybe_unused) @@ -2466,7 +2482,8 @@ static int cs_etm__process_auxtrace_event(struct perf_session *session, cs_etm__dump_event(etm, buffer); auxtrace_buffer__put_data(buffer); } - } + } else if (dump_trace) + dump_queued_data(etm, &event->auxtrace); return 0; } @@ -3042,7 +3059,6 @@ int cs_etm__process_auxtrace_info(union perf_event *event, if (dump_trace) { cs_etm__print_auxtrace_info(auxtrace_info->priv, num_cpu); - return 0; } err = cs_etm__synth_events(etm, session); diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 72e7f3616157..8af693d9678c 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -192,8 +192,6 @@ struct map *map__new(struct machine *machine, u64 start, u64 len, if (!(prot & PROT_EXEC)) dso__set_loaded(dso); } - - nsinfo__put(dso->nsinfo); dso->nsinfo = nsi; if (build_id__is_defined(bid)) diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index a1bd7007a8b4..fc683bc41715 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -742,9 +742,13 @@ struct pmu_events_map *__weak pmu_events_map__find(void) return perf_pmu__find_map(NULL); } -static bool perf_pmu__valid_suffix(char *pmu_name, char *tok) +/* + * Suffix must be in form tok_{digits}, or tok{digits}, or same as pmu_name + * to be valid. + */ +static bool perf_pmu__valid_suffix(const char *pmu_name, char *tok) { - char *p; + const char *p; if (strncmp(pmu_name, tok, strlen(tok))) return false; @@ -753,12 +757,16 @@ static bool perf_pmu__valid_suffix(char *pmu_name, char *tok) if (*p == 0) return true; - if (*p != '_') - return false; + if (*p == '_') + ++p; - ++p; - if (*p == 0 || !isdigit(*p)) - return false; + /* Ensure we end in a number */ + while (1) { + if (!isdigit(*p)) + return false; + if (*(++p) == 0) + break; + } return true; } @@ -789,12 +797,19 @@ bool pmu_uncore_alias_match(const char *pmu_name, const char *name) * match "socket" in "socketX_pmunameY" and then "pmuname" in * "pmunameY". */ - for (; tok; name += strlen(tok), tok = strtok_r(NULL, ",", &tmp)) { + while (1) { + char *next_tok = strtok_r(NULL, ",", &tmp); + name = strstr(name, tok); - if (!name || !perf_pmu__valid_suffix((char *)name, tok)) { + if (!name || + (!next_tok && !perf_pmu__valid_suffix(name, tok))) { res = false; goto out; } + if (!next_tok) + break; + tok = next_tok; + name += strlen(tok); } res = true; diff --git a/tools/testing/selftests/bpf/verifier/value_ptr_arith.c b/tools/testing/selftests/bpf/verifier/value_ptr_arith.c index a3e593ddfafc..2debba4e8a3a 100644 --- a/tools/testing/selftests/bpf/verifier/value_ptr_arith.c +++ b/tools/testing/selftests/bpf/verifier/value_ptr_arith.c @@ -1,4 +1,233 @@ { + "map access: known scalar += value_ptr unknown vs const", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, + offsetof(struct __sk_buff, len)), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), + BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_0, 0), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 1, 4), + BPF_MOV64_IMM(BPF_REG_1, 6), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0), + BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_MOV64_IMM(BPF_REG_1, 3), + BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0), + BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0), + BPF_MOV64_IMM(BPF_REG_0, 1), + BPF_EXIT_INSN(), + }, + .fixup_map_hash_16b = { 5 }, + .fixup_map_array_48b = { 8 }, + .result_unpriv = REJECT, + .errstr_unpriv = "R1 tried to add from different maps, paths or scalars", + .result = ACCEPT, + .retval = 1, +}, +{ + "map access: known scalar += value_ptr const vs unknown", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, + offsetof(struct __sk_buff, len)), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), + BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_0, 0), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 1, 2), + BPF_MOV64_IMM(BPF_REG_1, 3), + BPF_JMP_IMM(BPF_JA, 0, 0, 3), + BPF_MOV64_IMM(BPF_REG_1, 6), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0), + BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7), + BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0), + BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0), + BPF_MOV64_IMM(BPF_REG_0, 1), + BPF_EXIT_INSN(), + }, + .fixup_map_hash_16b = { 5 }, + .fixup_map_array_48b = { 8 }, + .result_unpriv = REJECT, + .errstr_unpriv = "R1 tried to add from different maps, paths or scalars", + .result = ACCEPT, + .retval = 1, +}, +{ + "map access: known scalar += value_ptr const vs const (ne)", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, + offsetof(struct __sk_buff, len)), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), + BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_0, 0), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 1, 2), + BPF_MOV64_IMM(BPF_REG_1, 3), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_MOV64_IMM(BPF_REG_1, 5), + BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0), + BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0), + BPF_MOV64_IMM(BPF_REG_0, 1), + BPF_EXIT_INSN(), + }, + .fixup_map_hash_16b = { 5 }, + .fixup_map_array_48b = { 8 }, + .result_unpriv = REJECT, + .errstr_unpriv = "R1 tried to add from different maps, paths or scalars", + .result = ACCEPT, + .retval = 1, +}, +{ + "map access: known scalar += value_ptr const vs const (eq)", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, + offsetof(struct __sk_buff, len)), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), + BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_0, 0), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 1, 2), + BPF_MOV64_IMM(BPF_REG_1, 5), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_MOV64_IMM(BPF_REG_1, 5), + BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0), + BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0), + BPF_MOV64_IMM(BPF_REG_0, 1), + BPF_EXIT_INSN(), + }, + .fixup_map_hash_16b = { 5 }, + .fixup_map_array_48b = { 8 }, + .result = ACCEPT, + .retval = 1, +}, +{ + "map access: known scalar += value_ptr unknown vs unknown (eq)", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, + offsetof(struct __sk_buff, len)), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11), + BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_0, 0), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 1, 4), + BPF_MOV64_IMM(BPF_REG_1, 6), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0), + BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7), + BPF_JMP_IMM(BPF_JA, 0, 0, 3), + BPF_MOV64_IMM(BPF_REG_1, 6), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0), + BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7), + BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0), + BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0), + BPF_MOV64_IMM(BPF_REG_0, 1), + BPF_EXIT_INSN(), + }, + .fixup_map_hash_16b = { 5 }, + .fixup_map_array_48b = { 8 }, + .result = ACCEPT, + .retval = 1, +}, +{ + "map access: known scalar += value_ptr unknown vs unknown (lt)", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, + offsetof(struct __sk_buff, len)), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11), + BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_0, 0), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 1, 4), + BPF_MOV64_IMM(BPF_REG_1, 6), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0), + BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x3), + BPF_JMP_IMM(BPF_JA, 0, 0, 3), + BPF_MOV64_IMM(BPF_REG_1, 6), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0), + BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7), + BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0), + BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0), + BPF_MOV64_IMM(BPF_REG_0, 1), + BPF_EXIT_INSN(), + }, + .fixup_map_hash_16b = { 5 }, + .fixup_map_array_48b = { 8 }, + .result_unpriv = REJECT, + .errstr_unpriv = "R1 tried to add from different maps, paths or scalars", + .result = ACCEPT, + .retval = 1, +}, +{ + "map access: known scalar += value_ptr unknown vs unknown (gt)", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, + offsetof(struct __sk_buff, len)), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11), + BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_0, 0), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 1, 4), + BPF_MOV64_IMM(BPF_REG_1, 6), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0), + BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7), + BPF_JMP_IMM(BPF_JA, 0, 0, 3), + BPF_MOV64_IMM(BPF_REG_1, 6), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0), + BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x3), + BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0), + BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0), + BPF_MOV64_IMM(BPF_REG_0, 1), + BPF_EXIT_INSN(), + }, + .fixup_map_hash_16b = { 5 }, + .fixup_map_array_48b = { 8 }, + .result_unpriv = REJECT, + .errstr_unpriv = "R1 tried to add from different maps, paths or scalars", + .result = ACCEPT, + .retval = 1, +}, +{ "map access: known scalar += value_ptr from different maps", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, diff --git a/tools/testing/selftests/kvm/.gitignore b/tools/testing/selftests/kvm/.gitignore index 0709af0144c8..98053d3afbda 100644 --- a/tools/testing/selftests/kvm/.gitignore +++ b/tools/testing/selftests/kvm/.gitignore @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only /aarch64/debug-exceptions /aarch64/get-reg-list +/aarch64/psci_cpu_on_test /aarch64/vgic_init /s390x/memop /s390x/resets diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile index 5832f510a16c..5d05801ab816 100644 --- a/tools/testing/selftests/kvm/Makefile +++ b/tools/testing/selftests/kvm/Makefile @@ -86,6 +86,7 @@ TEST_GEN_PROGS_x86_64 += kvm_binary_stats_test TEST_GEN_PROGS_aarch64 += aarch64/debug-exceptions TEST_GEN_PROGS_aarch64 += aarch64/get-reg-list +TEST_GEN_PROGS_aarch64 += aarch64/psci_cpu_on_test TEST_GEN_PROGS_aarch64 += aarch64/vgic_init TEST_GEN_PROGS_aarch64 += demand_paging_test TEST_GEN_PROGS_aarch64 += dirty_log_test diff --git a/tools/testing/selftests/kvm/aarch64/psci_cpu_on_test.c b/tools/testing/selftests/kvm/aarch64/psci_cpu_on_test.c new file mode 100644 index 000000000000..018c269990e1 --- /dev/null +++ b/tools/testing/selftests/kvm/aarch64/psci_cpu_on_test.c @@ -0,0 +1,121 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * psci_cpu_on_test - Test that the observable state of a vCPU targeted by the + * CPU_ON PSCI call matches what the caller requested. + * + * Copyright (c) 2021 Google LLC. + * + * This is a regression test for a race between KVM servicing the PSCI call and + * userspace reading the vCPUs registers. + */ + +#define _GNU_SOURCE + +#include <linux/psci.h> + +#include "kvm_util.h" +#include "processor.h" +#include "test_util.h" + +#define VCPU_ID_SOURCE 0 +#define VCPU_ID_TARGET 1 + +#define CPU_ON_ENTRY_ADDR 0xfeedf00dul +#define CPU_ON_CONTEXT_ID 0xdeadc0deul + +static uint64_t psci_cpu_on(uint64_t target_cpu, uint64_t entry_addr, + uint64_t context_id) +{ + register uint64_t x0 asm("x0") = PSCI_0_2_FN64_CPU_ON; + register uint64_t x1 asm("x1") = target_cpu; + register uint64_t x2 asm("x2") = entry_addr; + register uint64_t x3 asm("x3") = context_id; + + asm("hvc #0" + : "=r"(x0) + : "r"(x0), "r"(x1), "r"(x2), "r"(x3) + : "memory"); + + return x0; +} + +static uint64_t psci_affinity_info(uint64_t target_affinity, + uint64_t lowest_affinity_level) +{ + register uint64_t x0 asm("x0") = PSCI_0_2_FN64_AFFINITY_INFO; + register uint64_t x1 asm("x1") = target_affinity; + register uint64_t x2 asm("x2") = lowest_affinity_level; + + asm("hvc #0" + : "=r"(x0) + : "r"(x0), "r"(x1), "r"(x2) + : "memory"); + + return x0; +} + +static void guest_main(uint64_t target_cpu) +{ + GUEST_ASSERT(!psci_cpu_on(target_cpu, CPU_ON_ENTRY_ADDR, CPU_ON_CONTEXT_ID)); + uint64_t target_state; + + do { + target_state = psci_affinity_info(target_cpu, 0); + + GUEST_ASSERT((target_state == PSCI_0_2_AFFINITY_LEVEL_ON) || + (target_state == PSCI_0_2_AFFINITY_LEVEL_OFF)); + } while (target_state != PSCI_0_2_AFFINITY_LEVEL_ON); + + GUEST_DONE(); +} + +int main(void) +{ + uint64_t target_mpidr, obs_pc, obs_x0; + struct kvm_vcpu_init init; + struct kvm_vm *vm; + struct ucall uc; + + vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES, O_RDWR); + kvm_vm_elf_load(vm, program_invocation_name); + ucall_init(vm, NULL); + + vm_ioctl(vm, KVM_ARM_PREFERRED_TARGET, &init); + init.features[0] |= (1 << KVM_ARM_VCPU_PSCI_0_2); + + aarch64_vcpu_add_default(vm, VCPU_ID_SOURCE, &init, guest_main); + + /* + * make sure the target is already off when executing the test. + */ + init.features[0] |= (1 << KVM_ARM_VCPU_POWER_OFF); + aarch64_vcpu_add_default(vm, VCPU_ID_TARGET, &init, guest_main); + + get_reg(vm, VCPU_ID_TARGET, ARM64_SYS_REG(MPIDR_EL1), &target_mpidr); + vcpu_args_set(vm, VCPU_ID_SOURCE, 1, target_mpidr & MPIDR_HWID_BITMASK); + vcpu_run(vm, VCPU_ID_SOURCE); + + switch (get_ucall(vm, VCPU_ID_SOURCE, &uc)) { + case UCALL_DONE: + break; + case UCALL_ABORT: + TEST_FAIL("%s at %s:%ld", (const char *)uc.args[0], __FILE__, + uc.args[1]); + break; + default: + TEST_FAIL("Unhandled ucall: %lu", uc.cmd); + } + + get_reg(vm, VCPU_ID_TARGET, ARM64_CORE_REG(regs.pc), &obs_pc); + get_reg(vm, VCPU_ID_TARGET, ARM64_CORE_REG(regs.regs[0]), &obs_x0); + + TEST_ASSERT(obs_pc == CPU_ON_ENTRY_ADDR, + "unexpected target cpu pc: %lx (expected: %lx)", + obs_pc, CPU_ON_ENTRY_ADDR); + TEST_ASSERT(obs_x0 == CPU_ON_CONTEXT_ID, + "unexpected target context id: %lx (expected: %lx)", + obs_x0, CPU_ON_CONTEXT_ID); + + kvm_vm_free(vm); + return 0; +} diff --git a/tools/testing/selftests/kvm/include/aarch64/processor.h b/tools/testing/selftests/kvm/include/aarch64/processor.h index 27dc5c2e56b9..c0273aefa63d 100644 --- a/tools/testing/selftests/kvm/include/aarch64/processor.h +++ b/tools/testing/selftests/kvm/include/aarch64/processor.h @@ -17,6 +17,7 @@ #define CPACR_EL1 3, 0, 1, 0, 2 #define TCR_EL1 3, 0, 2, 0, 2 #define MAIR_EL1 3, 0, 10, 2, 0 +#define MPIDR_EL1 3, 0, 0, 0, 5 #define TTBR0_EL1 3, 0, 2, 0, 0 #define SCTLR_EL1 3, 0, 1, 0, 0 #define VBAR_EL1 3, 0, 12, 0, 0 @@ -40,6 +41,8 @@ (0xfful << (4 * 8)) | \ (0xbbul << (5 * 8))) +#define MPIDR_HWID_BITMASK (0xff00fffffful) + static inline void get_reg(struct kvm_vm *vm, uint32_t vcpuid, uint64_t id, uint64_t *addr) { struct kvm_one_reg reg; diff --git a/tools/testing/selftests/net/nettest.c b/tools/testing/selftests/net/nettest.c index 6365c7fd1262..bd6288302094 100644 --- a/tools/testing/selftests/net/nettest.c +++ b/tools/testing/selftests/net/nettest.c @@ -11,9 +11,11 @@ #include <sys/socket.h> #include <sys/wait.h> #include <linux/tcp.h> +#include <linux/udp.h> #include <arpa/inet.h> #include <net/if.h> #include <netinet/in.h> +#include <netinet/ip.h> #include <netdb.h> #include <fcntl.h> #include <libgen.h> @@ -27,6 +29,10 @@ #include <time.h> #include <errno.h> +#include <linux/xfrm.h> +#include <linux/ipsec.h> +#include <linux/pfkeyv2.h> + #ifndef IPV6_UNICAST_IF #define IPV6_UNICAST_IF 76 #endif @@ -114,6 +120,9 @@ struct sock_args { struct in_addr in; struct in6_addr in6; } expected_raddr; + + /* ESP in UDP encap test */ + int use_xfrm; }; static int server_mode; @@ -1346,6 +1355,41 @@ static int bind_socket(int sd, struct sock_args *args) return 0; } +static int config_xfrm_policy(int sd, struct sock_args *args) +{ + struct xfrm_userpolicy_info policy = {}; + int type = UDP_ENCAP_ESPINUDP; + int xfrm_af = IP_XFRM_POLICY; + int level = SOL_IP; + + if (args->type != SOCK_DGRAM) { + log_error("Invalid socket type. Only DGRAM could be used for XFRM\n"); + return 1; + } + + policy.action = XFRM_POLICY_ALLOW; + policy.sel.family = args->version; + if (args->version == AF_INET6) { + xfrm_af = IPV6_XFRM_POLICY; + level = SOL_IPV6; + } + + policy.dir = XFRM_POLICY_OUT; + if (setsockopt(sd, level, xfrm_af, &policy, sizeof(policy)) < 0) + return 1; + + policy.dir = XFRM_POLICY_IN; + if (setsockopt(sd, level, xfrm_af, &policy, sizeof(policy)) < 0) + return 1; + + if (setsockopt(sd, IPPROTO_UDP, UDP_ENCAP, &type, sizeof(type)) < 0) { + log_err_errno("Failed to set xfrm encap"); + return 1; + } + + return 0; +} + static int lsock_init(struct sock_args *args) { long flags; @@ -1389,6 +1433,11 @@ static int lsock_init(struct sock_args *args) if (fcntl(sd, F_SETFD, FD_CLOEXEC) < 0) log_err_errno("Failed to set close-on-exec flag"); + if (args->use_xfrm && config_xfrm_policy(sd, args)) { + log_err_errno("Failed to set xfrm policy"); + goto err; + } + out: return sd; @@ -1772,7 +1821,7 @@ static int ipc_parent(int cpid, int fd, struct sock_args *args) return client_status; } -#define GETOPT_STR "sr:l:c:p:t:g:P:DRn:M:X:m:d:I:BN:O:SCi6L:0:1:2:3:Fbq" +#define GETOPT_STR "sr:l:c:p:t:g:P:DRn:M:X:m:d:I:BN:O:SCi6xL:0:1:2:3:Fbq" static void print_usage(char *prog) { @@ -1795,6 +1844,7 @@ static void print_usage(char *prog) " -D|R datagram (D) / raw (R) socket (default stream)\n" " -l addr local address to bind to in server mode\n" " -c addr local address to bind to in client mode\n" + " -x configure XFRM policy on socket\n" "\n" " -d dev bind socket to given device name\n" " -I dev bind socket to given device name - server mode\n" @@ -1966,6 +2016,9 @@ int main(int argc, char *argv[]) case 'q': quiet = 1; break; + case 'x': + args.use_xfrm = 1; + break; default: print_usage(argv[0]); return 1; diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh index 64cd2e23c568..543ad7513a8e 100755 --- a/tools/testing/selftests/net/pmtu.sh +++ b/tools/testing/selftests/net/pmtu.sh @@ -118,6 +118,16 @@ # below for IPv6 doesn't apply here, because, on IPv4, administrative MTU # changes alone won't affect PMTU # +# - pmtu_vti4_udp_exception +# Same as pmtu_vti4_exception, but using ESP-in-UDP +# +# - pmtu_vti4_udp_routed_exception +# Set up vti tunnel on top of veth connected through routing namespace and +# add xfrm states and policies with ESP-in-UDP encapsulation. Check that +# route exception is not created if link layer MTU is not exceeded, then +# lower MTU on second part of routed environment and check that exception +# is created with the expected PMTU. +# # - pmtu_vti6_exception # Set up vti6 tunnel on top of veth, with xfrm states and policies, in two # namespaces with matching endpoints. Check that route exception is @@ -125,6 +135,13 @@ # decrease and increase MTU of tunnel, checking that route exception PMTU # changes accordingly # +# - pmtu_vti6_udp_exception +# Same as pmtu_vti6_exception, but using ESP-in-UDP +# +# - pmtu_vti6_udp_routed_exception +# Same as pmtu_vti6_udp_routed_exception but with routing between vti +# endpoints +# # - pmtu_vti4_default_mtu # Set up vti4 tunnel on top of veth, in two namespaces with matching # endpoints. Check that MTU assigned to vti interface is the MTU of the @@ -224,6 +241,10 @@ tests=" pmtu_ipv6_ipv6_exception IPv6 over IPv6: PMTU exceptions 1 pmtu_vti6_exception vti6: PMTU exceptions 0 pmtu_vti4_exception vti4: PMTU exceptions 0 + pmtu_vti6_udp_exception vti6: PMTU exceptions (ESP-in-UDP) 0 + pmtu_vti4_udp_exception vti4: PMTU exceptions (ESP-in-UDP) 0 + pmtu_vti6_udp_routed_exception vti6: PMTU exceptions, routed (ESP-in-UDP) 0 + pmtu_vti4_udp_routed_exception vti4: PMTU exceptions, routed (ESP-in-UDP) 0 pmtu_vti4_default_mtu vti4: default MTU assignment 0 pmtu_vti6_default_mtu vti6: default MTU assignment 0 pmtu_vti4_link_add_mtu vti4: MTU setting on link creation 0 @@ -246,7 +267,6 @@ ns_b="ip netns exec ${NS_B}" ns_c="ip netns exec ${NS_C}" ns_r1="ip netns exec ${NS_R1}" ns_r2="ip netns exec ${NS_R2}" - # Addressing and routing for tests with routers: four network segments, with # index SEGMENT between 1 and 4, a common prefix (PREFIX4 or PREFIX6) and an # identifier ID, which is 1 for hosts (A and B), 2 for routers (R1 and R2). @@ -279,7 +299,6 @@ routes=" A ${prefix6}:${b_r2}::1 ${prefix6}:${a_r2}::2 B default ${prefix6}:${b_r1}::2 " - USE_NH="no" # ns family nh id destination gateway nexthops=" @@ -326,6 +345,7 @@ dummy6_mask="64" err_buf= tcpdump_pids= +nettest_pids= err() { err_buf="${err_buf}${1} @@ -548,6 +568,14 @@ setup_vti6() { setup_vti 6 ${veth6_a_addr} ${veth6_b_addr} ${tunnel6_a_addr} ${tunnel6_b_addr} ${tunnel6_mask} } +setup_vti4routed() { + setup_vti 4 ${prefix4}.${a_r1}.1 ${prefix4}.${b_r1}.1 ${tunnel4_a_addr} ${tunnel4_b_addr} ${tunnel4_mask} +} + +setup_vti6routed() { + setup_vti 6 ${prefix6}:${a_r1}::1 ${prefix6}:${b_r1}::1 ${tunnel6_a_addr} ${tunnel6_b_addr} ${tunnel6_mask} +} + setup_vxlan_or_geneve() { type="${1}" a_addr="${2}" @@ -619,18 +647,36 @@ setup_xfrm() { proto=${1} veth_a_addr="${2}" veth_b_addr="${3}" + encap=${4} - run_cmd ${ns_a} ip -${proto} xfrm state add src ${veth_a_addr} dst ${veth_b_addr} spi 0x1000 proto esp aead 'rfc4106(gcm(aes))' 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel || return 1 - run_cmd ${ns_a} ip -${proto} xfrm state add src ${veth_b_addr} dst ${veth_a_addr} spi 0x1001 proto esp aead 'rfc4106(gcm(aes))' 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel + run_cmd ${ns_a} ip -${proto} xfrm state add src ${veth_a_addr} dst ${veth_b_addr} spi 0x1000 proto esp aead 'rfc4106(gcm(aes))' 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel ${encap} || return 1 + run_cmd ${ns_a} ip -${proto} xfrm state add src ${veth_b_addr} dst ${veth_a_addr} spi 0x1001 proto esp aead 'rfc4106(gcm(aes))' 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel ${encap} run_cmd ${ns_a} ip -${proto} xfrm policy add dir out mark 10 tmpl src ${veth_a_addr} dst ${veth_b_addr} proto esp mode tunnel run_cmd ${ns_a} ip -${proto} xfrm policy add dir in mark 10 tmpl src ${veth_b_addr} dst ${veth_a_addr} proto esp mode tunnel - run_cmd ${ns_b} ip -${proto} xfrm state add src ${veth_a_addr} dst ${veth_b_addr} spi 0x1000 proto esp aead 'rfc4106(gcm(aes))' 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel - run_cmd ${ns_b} ip -${proto} xfrm state add src ${veth_b_addr} dst ${veth_a_addr} spi 0x1001 proto esp aead 'rfc4106(gcm(aes))' 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel + run_cmd ${ns_b} ip -${proto} xfrm state add src ${veth_a_addr} dst ${veth_b_addr} spi 0x1000 proto esp aead 'rfc4106(gcm(aes))' 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel ${encap} + run_cmd ${ns_b} ip -${proto} xfrm state add src ${veth_b_addr} dst ${veth_a_addr} spi 0x1001 proto esp aead 'rfc4106(gcm(aes))' 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel ${encap} run_cmd ${ns_b} ip -${proto} xfrm policy add dir out mark 10 tmpl src ${veth_b_addr} dst ${veth_a_addr} proto esp mode tunnel run_cmd ${ns_b} ip -${proto} xfrm policy add dir in mark 10 tmpl src ${veth_a_addr} dst ${veth_b_addr} proto esp mode tunnel } +setup_nettest_xfrm() { + which nettest >/dev/null + if [ $? -ne 0 ]; then + echo "'nettest' command not found; skipping tests" + return 1 + fi + + [ ${1} -eq 6 ] && proto="-6" || proto="" + port=${2} + + run_cmd ${ns_a} nettest ${proto} -q -D -s -x -p ${port} -t 5 & + nettest_pids="${nettest_pids} $!" + + run_cmd ${ns_b} nettest ${proto} -q -D -s -x -p ${port} -t 5 & + nettest_pids="${nettest_pids} $!" +} + setup_xfrm4() { setup_xfrm 4 ${veth4_a_addr} ${veth4_b_addr} } @@ -639,6 +685,26 @@ setup_xfrm6() { setup_xfrm 6 ${veth6_a_addr} ${veth6_b_addr} } +setup_xfrm4udp() { + setup_xfrm 4 ${veth4_a_addr} ${veth4_b_addr} "encap espinudp 4500 4500 0.0.0.0" + setup_nettest_xfrm 4 4500 +} + +setup_xfrm6udp() { + setup_xfrm 6 ${veth6_a_addr} ${veth6_b_addr} "encap espinudp 4500 4500 0.0.0.0" + setup_nettest_xfrm 6 4500 +} + +setup_xfrm4udprouted() { + setup_xfrm 4 ${prefix4}.${a_r1}.1 ${prefix4}.${b_r1}.1 "encap espinudp 4500 4500 0.0.0.0" + setup_nettest_xfrm 4 4500 +} + +setup_xfrm6udprouted() { + setup_xfrm 6 ${prefix6}:${a_r1}::1 ${prefix6}:${b_r1}::1 "encap espinudp 4500 4500 0.0.0.0" + setup_nettest_xfrm 6 4500 +} + setup_routing_old() { for i in ${routes}; do [ "${ns}" = "" ] && ns="${i}" && continue @@ -823,6 +889,11 @@ cleanup() { done tcpdump_pids= + for pid in ${nettest_pids}; do + kill ${pid} + done + nettest_pids= + for n in ${NS_A} ${NS_B} ${NS_C} ${NS_R1} ${NS_R2}; do ip netns del ${n} 2> /dev/null done @@ -1432,6 +1503,135 @@ test_pmtu_vti6_exception() { return ${fail} } +test_pmtu_vti4_udp_exception() { + setup namespaces veth vti4 xfrm4udp || return $ksft_skip + trace "${ns_a}" veth_a "${ns_b}" veth_b \ + "${ns_a}" vti4_a "${ns_b}" vti4_b + + veth_mtu=1500 + vti_mtu=$((veth_mtu - 20)) + + # UDP SPI SN IV ICV pad length next header + esp_payload_rfc4106=$((vti_mtu - 8 - 4 - 4 - 8 - 16 - 1 - 1)) + ping_payload=$((esp_payload_rfc4106 - 28)) + + mtu "${ns_a}" veth_a ${veth_mtu} + mtu "${ns_b}" veth_b ${veth_mtu} + mtu "${ns_a}" vti4_a ${vti_mtu} + mtu "${ns_b}" vti4_b ${vti_mtu} + + # Send DF packet without exceeding link layer MTU, check that no + # exception is created + run_cmd ${ns_a} ping -q -M want -i 0.1 -w 1 -s ${ping_payload} ${tunnel4_b_addr} + pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel4_b_addr})" + check_pmtu_value "" "${pmtu}" "sending packet smaller than PMTU (IP payload length ${esp_payload_rfc4106})" || return 1 + + # Now exceed link layer MTU by one byte, check that exception is created + # with the right PMTU value + run_cmd ${ns_a} ping -q -M want -i 0.1 -w 1 -s $((ping_payload + 1)) ${tunnel4_b_addr} + pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel4_b_addr})" + check_pmtu_value "${esp_payload_rfc4106}" "${pmtu}" "exceeding PMTU (IP payload length $((esp_payload_rfc4106 + 1)))" +} + +test_pmtu_vti6_udp_exception() { + setup namespaces veth vti6 xfrm6udp || return $ksft_skip + trace "${ns_a}" veth_a "${ns_b}" veth_b \ + "${ns_a}" vti6_a "${ns_b}" vti6_b + fail=0 + + # Create route exception by exceeding link layer MTU + mtu "${ns_a}" veth_a 4000 + mtu "${ns_b}" veth_b 4000 + mtu "${ns_a}" vti6_a 5000 + mtu "${ns_b}" vti6_b 5000 + run_cmd ${ns_a} ${ping6} -q -i 0.1 -w 1 -s 60000 ${tunnel6_b_addr} + + # Check that exception was created + pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel6_b_addr})" + check_pmtu_value any "${pmtu}" "creating tunnel exceeding link layer MTU" || return 1 + + # Decrease tunnel MTU, check for PMTU decrease in route exception + mtu "${ns_a}" vti6_a 3000 + pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel6_b_addr})" + check_pmtu_value "3000" "${pmtu}" "decreasing tunnel MTU" || fail=1 + + # Increase tunnel MTU, check for PMTU increase in route exception + mtu "${ns_a}" vti6_a 9000 + pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel6_b_addr})" + check_pmtu_value "9000" "${pmtu}" "increasing tunnel MTU" || fail=1 + + return ${fail} +} + +test_pmtu_vti4_udp_routed_exception() { + setup namespaces routing vti4routed xfrm4udprouted || return $ksft_skip + trace "${ns_a}" veth_A-R1 "${ns_b}" veth_B-R1 \ + "${ns_a}" vti4_a "${ns_b}" vti4_b + + veth_mtu=1500 + vti_mtu=$((veth_mtu - 20)) + + # UDP SPI SN IV ICV pad length next header + esp_payload_rfc4106=$((vti_mtu - 8 - 4 - 4 - 8 - 16 - 1 - 1)) + ping_payload=$((esp_payload_rfc4106 - 28)) + + mtu "${ns_a}" veth_A-R1 ${veth_mtu} + mtu "${ns_r1}" veth_R1-A ${veth_mtu} + mtu "${ns_b}" veth_B-R1 ${veth_mtu} + mtu "${ns_r1}" veth_R1-B ${veth_mtu} + + mtu "${ns_a}" vti4_a ${vti_mtu} + mtu "${ns_b}" vti4_b ${vti_mtu} + + # Send DF packet without exceeding link layer MTU, check that no + # exception is created + run_cmd ${ns_a} ping -q -M want -i 0.1 -w 1 -s ${ping_payload} ${tunnel4_b_addr} + pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel4_b_addr})" + check_pmtu_value "" "${pmtu}" "sending packet smaller than PMTU (IP payload length ${esp_payload_rfc4106})" || return 1 + + # Now decrease link layer MTU by 8 bytes on R1, check that exception is created + # with the right PMTU value + mtu "${ns_r1}" veth_R1-B $((veth_mtu - 8)) + run_cmd ${ns_a} ping -q -M want -i 0.1 -w 1 -s $((ping_payload)) ${tunnel4_b_addr} + pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel4_b_addr})" + check_pmtu_value "$((esp_payload_rfc4106 - 8))" "${pmtu}" "exceeding PMTU (IP payload length $((esp_payload_rfc4106)))" +} + +test_pmtu_vti6_udp_routed_exception() { + setup namespaces routing vti6routed xfrm6udprouted || return $ksft_skip + trace "${ns_a}" veth_A-R1 "${ns_b}" veth_B-R1 \ + "${ns_a}" vti6_a "${ns_b}" vti6_b + + veth_mtu=1500 + vti_mtu=$((veth_mtu - 40)) + + # UDP SPI SN IV ICV pad length next header + esp_payload_rfc4106=$((vti_mtu - 8 - 4 - 4 - 8 - 16 - 1 - 1)) + ping_payload=$((esp_payload_rfc4106 - 48)) + + mtu "${ns_a}" veth_A-R1 ${veth_mtu} + mtu "${ns_r1}" veth_R1-A ${veth_mtu} + mtu "${ns_b}" veth_B-R1 ${veth_mtu} + mtu "${ns_r1}" veth_R1-B ${veth_mtu} + + # mtu "${ns_a}" vti6_a ${vti_mtu} + # mtu "${ns_b}" vti6_b ${vti_mtu} + + run_cmd ${ns_a} ${ping6} -q -M want -i 0.1 -w 1 -s ${ping_payload} ${tunnel6_b_addr} + + # Check that exception was not created + pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel6_b_addr})" + check_pmtu_value "" "${pmtu}" "sending packet smaller than PMTU (IP payload length ${esp_payload_rfc4106})" || return 1 + + # Now decrease link layer MTU by 8 bytes on R1, check that exception is created + # with the right PMTU value + mtu "${ns_r1}" veth_R1-B $((veth_mtu - 8)) + run_cmd ${ns_a} ${ping6} -q -M want -i 0.1 -w 1 -s $((ping_payload)) ${tunnel6_b_addr} + pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel6_b_addr})" + check_pmtu_value "$((esp_payload_rfc4106 - 8))" "${pmtu}" "exceeding PMTU (IP payload length $((esp_payload_rfc4106)))" + +} + test_pmtu_vti4_default_mtu() { setup namespaces veth vti4 || return $ksft_skip diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c index e363bdaff59d..2ea438e6b8b1 100644 --- a/tools/testing/selftests/vm/userfaultfd.c +++ b/tools/testing/selftests/vm/userfaultfd.c @@ -210,8 +210,10 @@ static void anon_release_pages(char *rel_area) static void anon_allocate_area(void **alloc_area) { - if (posix_memalign(alloc_area, page_size, nr_pages * page_size)) - err("posix_memalign() failed"); + *alloc_area = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE, + MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); + if (*alloc_area == MAP_FAILED) + err("mmap of anonymous memory failed"); } static void noop_alias_mapping(__u64 *start, size_t len, unsigned long offset) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 305956310174..439d3b4cd1a9 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -189,16 +189,6 @@ bool kvm_is_reserved_pfn(kvm_pfn_t pfn) return true; } -bool kvm_is_transparent_hugepage(kvm_pfn_t pfn) -{ - struct page *page = pfn_to_page(pfn); - - if (!PageTransCompoundMap(page)) - return false; - - return is_transparent_hugepage(compound_head(page)); -} - /* * Switches to specified vcpu, until a matching vcpu_put() */ @@ -2337,7 +2327,7 @@ static int hva_to_pfn_remapped(struct vm_area_struct *vma, * Get a reference here because callers of *hva_to_pfn* and * *gfn_to_pfn* ultimately call kvm_release_pfn_clean on the * returned pfn. This is only needed if the VMA has VM_MIXEDMAP - * set, but the kvm_get_pfn/kvm_release_pfn_clean pair will + * set, but the kvm_try_get_pfn/kvm_release_pfn_clean pair will * simply do nothing for reserved pfns. * * Whoever called remap_pfn_range is also going to call e.g. @@ -2734,13 +2724,6 @@ void kvm_set_pfn_accessed(kvm_pfn_t pfn) } EXPORT_SYMBOL_GPL(kvm_set_pfn_accessed); -void kvm_get_pfn(kvm_pfn_t pfn) -{ - if (!kvm_is_reserved_pfn(pfn)) - get_page(pfn_to_page(pfn)); -} -EXPORT_SYMBOL_GPL(kvm_get_pfn); - static int next_segment(unsigned long len, int offset) { if (len > PAGE_SIZE - offset) |