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2d6ffc63f1
linux/drivers/iommu
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Lu Baolu 2d6ffc63f1 iommu/vt-d: Fix unaligned addresses for intel_flush_svm_range_dev() 
The VT-d hardware will ignore those Addr bits which have been masked by
the AM field in the PASID-based-IOTLB invalidation descriptor. As the
result, if the starting address in the descriptor is not aligned with
the address mask, some IOTLB caches might not invalidate. Hence people
will see below errors.

[ 1093.704661] dmar_fault: 29 callbacks suppressed
[ 1093.704664] DMAR: DRHD: handling fault status reg 3
[ 1093.712738] DMAR: [DMA Read] Request device [7a:02.0] PASID 2
               fault addr 7f81c968d000 [fault reason 113]
               SM: Present bit in first-level paging entry is clear

Fix this by using aligned address for PASID-based-IOTLB invalidation.

Fixes: 1c4f88b7f1 ("iommu/vt-d: Shared virtual address in scalable mode")
Reported-and-tested-by: Guo Kaijie <Kaijie.Guo@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20201231005323.2178523-2-baolu.lu@linux.intel.com
Signed-off-by: Will Deacon <will@kernel.org>
2021-01-12 15:47:54 +00:00
..
amd iommu/amd: Stop irq_remapping_select() matching when remapping is disabled 2021-01-05 19:24:12 +00:00
arm iommu/arm-smmu-qcom: Initialize SCTLR of the bypass context 2021-01-07 14:10:46 +00:00
intel iommu/vt-d: Fix unaligned addresses for intel_flush_svm_range_dev() 2021-01-12 15:47:54 +00:00
dma-iommu.c Revert "iommu: Add quirk for Intel graphic devices in map_sg" 2021-01-07 13:27:14 +00:00
exynos-iommu.c iommu/exynos: add missing put_device() call in exynos_iommu_of_xlate() 2020-09-24 10:48:29 +02:00
fsl_pamu_domain.c iommu/pamu: Use dev_iommu_priv_get/set() 2020-06-30 11:59:48 +02:00
fsl_pamu_domain.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266 2019-06-05 17:30:28 +02:00
fsl_pamu.c iommu/pamu: Replace use of kzfree with kfree_sensitive 2020-09-18 10:59:04 +02:00
fsl_pamu.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266 2019-06-05 17:30:28 +02:00
hyperv-iommu.c iommu/hyper-v: Remove I/O-APIC ID check from hyperv_irq_remapping_select() 2020-12-02 11:22:55 +01:00
io-pgtable-arm-v7s.c iommu/io-pgtable: Remove tlb_flush_leaf 2020-12-08 15:23:37 +00:00
io-pgtable-arm.c IOMMU updates for 5.11 2020-12-16 13:58:47 -08:00
io-pgtable-arm.h iommu/io-pgtable-arm: Move some definitions to a header 2020-09-28 23:48:06 +01:00
io-pgtable.c iommu/io-pgtable-arm: Rationalise TCR handling 2020-01-10 15:52:24 +00:00
ioasid.c iommu/ioasid: Add ioasid references 2020-11-23 14:16:55 +00:00
iommu-debugfs.c iommu: Fix IOMMU debugfs fallout 2019-02-26 11:15:58 +01:00
iommu-sva-lib.c iommu/sva: Add PASID helpers 2020-11-23 14:16:55 +00:00
iommu-sva-lib.h iommu/sva: Add PASID helpers 2020-11-23 14:16:55 +00:00
iommu-sysfs.c drivers/iommu: Export core IOMMU API symbols to permit modular drivers 2019-12-23 14:06:05 +01:00
iommu-traces.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iommu.c Merge branch 'for-next/iommu/fixes' into for-next/iommu/core 2020-12-08 15:21:49 +00:00
iova.c iommu/iova: fix 'domain' typos 2021-01-05 18:48:57 +00:00
ipmmu-vmsa.c iommu/io-pgtable: Remove tlb_flush_leaf 2020-12-08 15:23:37 +00:00
irq_remapping.c x86: Kill all traces of irq_remapping_get_irq_domain() 2020-10-28 20:26:28 +01:00
irq_remapping.h x86: Kill all traces of irq_remapping_get_irq_domain() 2020-10-28 20:26:28 +01:00
Kconfig iommu/arm-smmu-v3: Implement iommu_sva_bind/unbind() 2020-11-23 14:16:55 +00:00
Makefile iommu/sva: Add PASID helpers 2020-11-23 14:16:55 +00:00
msm_iommu_hw-8xxx.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 267 2019-06-05 17:30:29 +02:00
msm_iommu.c iommu/io-pgtable: Remove tlb_flush_leaf 2020-12-08 15:23:37 +00:00
msm_iommu.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 267 2019-06-05 17:30:29 +02:00
mtk_iommu_v1.c iommu/mediatek: Do no use dev->archdata.iommu 2020-06-30 11:59:48 +02:00
mtk_iommu.c iommu/io-pgtable: Remove tlb_flush_leaf 2020-12-08 15:23:37 +00:00
mtk_iommu.h iommu/mediatek: Add support for MT8167 2020-09-18 10:29:12 +02:00
of_iommu.c of/device: Add input id to of_dma_configure() 2020-07-28 15:51:32 +01:00
omap-iommu-debug.c iommu/omap: Check for failure of a call to omap_iommu_dump_ctx 2020-07-22 15:02:33 +02:00
omap-iommu.c Merge branches 'arm/renesas', 'arm/qcom', 'arm/mediatek', 'arm/omap', 'arm/exynos', 'arm/smmu', 'ppc/pamu', 'x86/vt-d', 'x86/amd' and 'core' into next 2020-07-29 14:42:00 +02:00
omap-iommu.h iommu/omap: add support for late attachment of iommu devices 2019-08-09 17:37:10 +02:00
omap-iopgtable.h iommu/omap: Fix -Woverflow warnings when compiling on 64-bit architectures 2020-03-04 16:24:46 +01:00
rockchip-iommu.c iommu/rockchip: Use dev_iommu_priv_get/set() 2020-06-30 11:59:48 +02:00
s390-iommu.c s390 updates for the 5.8 merge window 2020-06-08 12:05:31 -07:00
sun50i-iommu.c iommu/sun50i: Fix set-but-not-used variable warning 2020-09-04 13:39:45 +02:00
tegra-gart.c iommu/tegra: Use dev_iommu_priv_get/set() 2020-06-30 11:59:48 +02:00
tegra-smmu.c iommu/tegra-smmu: Add PCI support 2020-11-25 11:04:41 +00:00
virtio-iommu.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00