summaryrefslogtreecommitdiff
path: root/drivers/soc/fsl/qbman/qman_portal.c
AgeCommit message (Collapse)AuthorFilesLines
2022-01-15cpumask: replace cpumask_next_* with cpumask_first_* where appropriateYury Norov1-1/+1
cpumask_first() is a more effective analogue of 'next' version if n == -1 (which means start == 0). This patch replaces 'next' with 'first' where things look trivial. There's no cpumask_first_zero() function, so create it. Signed-off-by: Yury Norov <yury.norov@gmail.com> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
2021-05-01Merge tag 'iommu-updates-v5.13' of ↵Linus Torvalds1-52/+3
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu updates from Joerg Roedel: - Big cleanup of almost unsused parts of the IOMMU API by Christoph Hellwig. This mostly affects the Freescale PAMU driver. - New IOMMU driver for Unisoc SOCs - ARM SMMU Updates from Will: - Drop vestigial PREFETCH_ADDR support (SMMUv3) - Elide TLB sync logic for empty gather (SMMUv3) - Fix "Service Failure Mode" handling (SMMUv3) - New Qualcomm compatible string (SMMUv2) - Removal of the AMD IOMMU performance counter writeable check on AMD. It caused long boot delays on some machines and is only needed to work around an errata on some older (possibly pre-production) chips. If someone is still hit by this hardware issue anyway the performance counters will just return 0. - Support for targeted invalidations in the AMD IOMMU driver. Before that the driver only invalidated a single 4k page or the whole IO/TLB for an address space. This has been extended now and is mostly useful for emulated AMD IOMMUs. - Several fixes for the Shared Virtual Memory support in the Intel VT-d driver - Mediatek drivers can now be built as modules - Re-introduction of the forcedac boot option which got lost when converting the Intel VT-d driver to the common dma-iommu implementation. - Extension of the IOMMU device registration interface and support iommu_ops to be const again when drivers are built as modules. * tag 'iommu-updates-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (84 commits) iommu: Streamline registration interface iommu: Statically set module owner iommu/mediatek-v1: Add error handle for mtk_iommu_probe iommu/mediatek-v1: Avoid build fail when build as module iommu/mediatek: Always enable the clk on resume iommu/fsl-pamu: Fix uninitialized variable warning iommu/vt-d: Force to flush iotlb before creating superpage iommu/amd: Put newline after closing bracket in warning iommu/vt-d: Fix an error handling path in 'intel_prepare_irq_remapping()' iommu/vt-d: Fix build error of pasid_enable_wpe() with !X86 iommu/amd: Remove performance counter pre-initialization test Revert "iommu/amd: Fix performance counter initialization" iommu/amd: Remove duplicate check of devid iommu/exynos: Remove unneeded local variable initialization iommu/amd: Page-specific invalidations for more than one page iommu/arm-smmu-v3: Remove the unused fields for PREFETCH_CONFIG command iommu/vt-d: Avoid unnecessary cache flush in pasid entry teardown iommu/vt-d: Invalidate PASID cache when root/context entry changed iommu/vt-d: Remove WO permissions on second-level paging entries iommu/vt-d: Report the right page fault address ...
2021-04-07iommu/fsl_pamu: enable the liodn when attaching a deviceChristoph Hellwig1-11/+0
Instead of a separate call to enable all devices from the list, just enable the liodn once the device is attached to the iommu domain. This also remove the DOMAIN_ATTR_FSL_PAMU_ENABLE iommu_attr. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Will Deacon <will@kernel.org> Acked-by: Li Yang <leoyang.li@nxp.com> Link: https://lore.kernel.org/r/20210401155256.298656-11-hch@lst.de Signed-off-by: Joerg Roedel <jroedel@suse.de>
2021-04-07iommu/fsl_pamu: replace DOMAIN_ATTR_FSL_PAMU_STASH with a direct callChristoph Hellwig1-15/+3
Add a fsl_pamu_configure_l1_stash API that qman_portal can call directly instead of indirecting through the iommu attr API. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Will Deacon <will@kernel.org> Acked-by: Li Yang <leoyang.li@nxp.com> Link: https://lore.kernel.org/r/20210401155256.298656-8-hch@lst.de Signed-off-by: Joerg Roedel <jroedel@suse.de>
2021-04-07iommu/fsl_pamu: remove ->domain_window_enableChristoph Hellwig1-7/+0
The only thing that fsl_pamu_window_enable does for the current caller is to fill in the prot value in the only dma_window structure, and to propagate a few values from the iommu_domain_geometry struture into the dma_window. Remove the dma_window entirely, hardcode the prot value and otherwise use the iommu_domain_geometry structure instead. Remove the now unused ->domain_window_enable iommu method. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Li Yang <leoyang.li@nxp.com> Link: https://lore.kernel.org/r/20210401155256.298656-7-hch@lst.de Signed-off-by: Joerg Roedel <jroedel@suse.de>
2021-04-07iommu/fsl_pamu: remove support for multiple windowsChristoph Hellwig1-7/+0
The only domains allocated forces use of a single window. Remove all the code related to multiple window support, as well as the need for qman_portal to force a single window. Remove the now unused DOMAIN_ATTR_WINDOWS iommu_attr. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Will Deacon <will@kernel.org> Acked-by: Li Yang <leoyang.li@nxp.com> Link: https://lore.kernel.org/r/20210401155256.298656-6-hch@lst.de Signed-off-by: Joerg Roedel <jroedel@suse.de>
2021-04-07iommu/fsl_pamu: remove support for setting DOMAIN_ATTR_GEOMETRYChristoph Hellwig1-12/+0
The default geometry is the same as the one set by qman_port given that FSL_PAMU depends on having 64-bit physical and thus DMA addresses. Remove the support to update the geometry and remove the now pointless geom_size field. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Will Deacon <will@kernel.org> Acked-by: Li Yang <leoyang.li@nxp.com> Link: https://lore.kernel.org/r/20210401155256.298656-4-hch@lst.de Signed-off-by: Joerg Roedel <jroedel@suse.de>
2021-04-06soc: fsl: qbman: Ensure device cleanup is run for kexecRoy Pledge1-1/+2
Make sure that the QBMan device cleanup routines are executed when the device was previously initialized. This is needed for kexec since the device will keep it's state from the previous kernel that was executing. Signed-off-by: Roy Pledge <roy.pledge@nxp.com> Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-08-16soc/fsl/qbman: Cleanup QMan queues if device was already initializedRoy Pledge1-1/+17
If the QMan device was previously initialized make sure all the frame queues are out of service once all the portals are probed. This handles the case where the kernel is restarted without the SoC being reset (kexec for example) Signed-off-by: Roy Pledge <roy.pledge@nxp.com> Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-08-16soc: fsl: qbman: Remove dev_err() usage after platform_get_irq()Stephen Boyd1-3/+1
We don't need dev_err() messages when platform_get_irq() fails now that platform_get_irq() prints an error message itself when something goes wrong. Let's remove these prints with a simple semantic patch. // <smpl> @@ expression ret; struct platform_device *E; @@ ret = ( platform_get_irq(E, ...) | platform_get_irq_byname(E, ...) ); if ( \( ret < 0 \| ret <= 0 \) ) { ( -if (ret != -EPROBE_DEFER) -{ ... -dev_err(...); -... } | ... -dev_err(...); ) ... } // </smpl> While we're here, remove braces on if statements that only have one statement (manually). Cc: Thierry Reding <treding@nvidia.com> Cc: Li Yang <leoyang.li@nxp.com> Cc: Simon Horman <horms+renesas@verge.net.au> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-05-20soc: fsl: qbman_portals: add APIs to retrieve the probing statusLaurentiu Tudor1-4/+17
Add a couple of new APIs to check the probing status of the required cpu bound qman and bman portals: 'int bman_portals_probed()' and 'int qman_portals_probed()'. They return the following values. * 1 if qman/bman portals were all probed correctly * 0 if qman/bman portals were not yet probed * -1 if probing of qman/bman portals failed Portals are considered successful probed if no error occurred during the probing of any of the portals and if enough portals were probed to have one available for each cpu. The error handling paths were slightly rearranged in order to fit this new functionality without being too intrusive. Drivers that use qman/bman portal driver services are required to use these APIs before calling any functions exported by these drivers or otherwise they will crash the kernel. First user will be the dpaa1 ethernet driver, coming in a subsequent patch. Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com> Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-10-05soc: fsl: qbman: replace CPU 0 with any online CPU in hotplug handlersMadalin Bucur1-2/+4
The existing code sets portal IRQ affinity to CPU 0 in the offline hotplug handler. If CPU 0 is offline this is invalid. Use a different online CPU instead. Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-10-02soc: fsl: qman_portals: defer probe after qman's probeLaurentiu Tudor1-0/+8
Defer probe of qman portals after qman probing. This fixes the crash below, seen on NXP LS1043A SoCs: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000004 Mem abort info: ESR = 0x96000004 Exception class = DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 [0000000000000004] user address but active_mm is swapper Internal error: Oops: 96000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.18.0-rc1-next-20180622-00200-g986f5c179185 #9 Hardware name: LS1043A RDB Board (DT) pstate: 80000005 (Nzcv daif -PAN -UAO) pc : qman_set_sdest+0x74/0xa0 lr : qman_portal_probe+0x22c/0x470 sp : ffff00000803bbc0 x29: ffff00000803bbc0 x28: 0000000000000000 x27: ffff0000090c1b88 x26: ffff00000927cb68 x25: ffff00000927c000 x24: ffff00000927cb60 x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000090e9000 x20: ffff800073b5c810 x19: ffff800027401298 x18: ffffffffffffffff x17: 0000000000000001 x16: 0000000000000000 x15: ffff0000090e96c8 x14: ffff80002740138a x13: ffff0000090f2000 x12: 0000000000000030 x11: ffff000008f25000 x10: 0000000000000000 x9 : ffff80007bdfd2c0 x8 : 0000000000004000 x7 : ffff80007393cc18 x6 : 0040000000000001 x5 : 0000000000000000 x4 : ffffffffffffffff x3 : 0000000000000004 x2 : ffff00000927c900 x1 : 0000000000000000 x0 : 0000000000000004 Process swapper/0 (pid: 1, stack limit = 0x(____ptrval____)) Call trace: qman_set_sdest+0x74/0xa0 platform_drv_probe+0x50/0xa8 driver_probe_device+0x214/0x2f8 __driver_attach+0xd8/0xe0 bus_for_each_dev+0x68/0xc8 driver_attach+0x20/0x28 bus_add_driver+0x108/0x228 driver_register+0x60/0x110 __platform_driver_register+0x40/0x48 qman_portal_driver_init+0x20/0x84 do_one_initcall+0x58/0x168 kernel_init_freeable+0x184/0x22c kernel_init+0x10/0x108 ret_from_fork+0x10/0x18 Code: f9400443 11001000 927e4800 8b000063 (b9400063) ---[ end trace 4f6d50489ecfb930 ]--- Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com> Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-09-22soc/fsl/qbman: Rework portal mapping calls for ARM/PPCRoy Pledge1-13/+10
Rework portal mapping for PPC and ARM. The PPC devices require a cacheable coherent mapping while ARM will work with a non-cachable/write combine mapping. This also eliminates the need for manual cache flushes on ARM. This also fixes the code so sparse checking is clean. Signed-off-by: Roy Pledge <roy.pledge@nxp.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Li Yang <leoyang.li@nxp.com>
2017-08-16soc: Convert to using %pOF instead of full_nameRob Herring1-7/+4
Now that we have a custom printf format specifier, convert users of full_name to use %pOF instead. This is preparation to remove storing of the full path string for each node. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Matthias Brugger <matthias.bgg@gmail.com> Acked-by: Simon Horman <horms+renesas@verge.net.au> Cc: Scott Wood <oss@buserror.net> Cc: Qiang Zhao <qiang.zhao@nxp.com> Cc: Magnus Damm <magnus.damm@gmail.com> Cc: Kukjin Kim <kgene@kernel.org> Cc: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-12-16Merge tag 'powerpc-4.10-1' of ↵Linus Torvalds1-11/+30
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: "Highlights include: - Support for the kexec_file_load() syscall, which is a prereq for secure and trusted boot. - Prevent kernel execution of userspace on P9 Radix (similar to SMEP/PXN). - Sort the exception tables at build time, to save time at boot, and store them as relative offsets to save space in the kernel image & memory. - Allow building the kernel with thin archives, which should allow us to build an allyesconfig once some other fixes land. - Build fixes to allow us to correctly rebuild when changing the kernel endian from big to little or vice versa. - Plumbing so that we can avoid doing a full mm TLB flush on P9 Radix. - Initial stack protector support (-fstack-protector). - Support for dumping the radix (aka. Linux) and hash page tables via debugfs. - Fix an oops in cxl coredump generation when cxl_get_fd() is used. - Freescale updates from Scott: "Highlights include 8xx hugepage support, qbman fixes/cleanup, device tree updates, and some misc cleanup." - Many and varied fixes and minor enhancements as always. Thanks to: Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V, Anshuman Khandual, Anton Blanchard, Balbir Singh, Bartlomiej Zolnierkiewicz, Christophe Jaillet, Christophe Leroy, Denis Kirjanov, Elimar Riesebieter, Frederic Barrat, Gautham R. Shenoy, Geliang Tang, Geoff Levand, Jack Miller, Johan Hovold, Lars-Peter Clausen, Libin, Madhavan Srinivasan, Michael Neuling, Nathan Fontenot, Naveen N. Rao, Nicholas Piggin, Pan Xinhui, Peter Senna Tschudin, Rashmica Gupta, Rui Teng, Russell Currey, Scott Wood, Simon Guo, Suraj Jitindar Singh, Thiago Jung Bauermann, Tobias Klauser, Vaibhav Jain" [ And thanks to Michael, who took time off from a new baby to get this pull request done. - Linus ] * tag 'powerpc-4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (174 commits) powerpc/fsl/dts: add FMan node for t1042d4rdb powerpc/fsl/dts: add sg_2500_aqr105_phy4 alias on t1024rdb powerpc/fsl/dts: add QMan and BMan nodes on t1024 powerpc/fsl/dts: add QMan and BMan nodes on t1023 soc/fsl/qman: test: use DEFINE_SPINLOCK() powerpc/fsl-lbc: use DEFINE_SPINLOCK() powerpc/8xx: Implement support of hugepages powerpc: get hugetlbpage handling more generic powerpc: port 64 bits pgtable_cache to 32 bits powerpc/boot: Request no dynamic linker for boot wrapper soc/fsl/bman: Use resource_size instead of computation soc/fsl/qe: use builtin_platform_driver powerpc/fsl_pmc: use builtin_platform_driver powerpc/83xx/suspend: use builtin_platform_driver powerpc/ftrace: Fix the comments for ftrace_modify_code powerpc/perf: macros for power9 format encoding powerpc/perf: power9 raw event format encoding powerpc/perf: update attribute_group data structure powerpc/perf: factor out the event format field powerpc/mm/iommu, vfio/spapr: Put pages on VFIO container shutdown ...
2016-12-02soc/fsl/qbman: Convert to hotplug state machineSebastian Andrzej Siewior1-27/+12
Install the callbacks via the state machine. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Scott Wood <oss@buserror.net> Cc: Claudiu Manoil <claudiu.manoil@nxp.com> Cc: rt@linutronix.de Cc: Roy Pledge <roy.pledge@nxp.com> Link: http://lkml.kernel.org/r/20161126231350.10321-21-bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-11-23soc/qman: test: Don't use dummy platform device for dma mappingClaudiu Manoil1-0/+1
Replace dummy platform device hack with a reference to a portal's platform device, in order to dma map the test frame for this small unit test. The 2 qman symbols need to be exported because this self test is a kernel module. Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com> Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23soc/qman: Don't add a new platform device for dma mappingClaudiu Manoil1-0/+11
The qman portals are platform devices themselves, so they should handle dma mappings. Creating a dummy platform device in order to support dma mapping operations is not justified (and not portable). Instead, do the mapping against the first portal that has been initialised. Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com> Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23soc/qbman: Fix resource leak on portal probing error pathClaudiu Manoil1-5/+12
In case init_pcfg() returns with error the CI region must be unmapped too. Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com> Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23soc/qman: Replace of_get_property() with portable equivalentMadalin Bucur1-6/+6
Use arch portable of_property_read_u32() instead, which takes care of endianness conversions. Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com> Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25soc/fsl: Introduce DPAA 1.x QMan device driverClaudiu Manoil1-0/+355
This driver enables the Freescale DPAA 1.x Queue Manager block. QMan is a hardware accelerator that manages frame queues. It allows CPUs and other accelerators connected to the SoC datapath to enqueue and dequeue ethernet frames, thus providing the infrastructure for data exchange among CPUs and datapath accelerators. Signed-off-by: Roy Pledge <roy.pledge@nxp.com> Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com> Signed-off-by: Scott Wood <oss@buserror.net>
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-12 12:26:39 +0300