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3f9a7a13fe
linux_dsm_epyc7002/drivers/iommu
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Ashok Raj 3f9a7a13fe PCI/ATS: Add pci_pri_supported() to check device or associated PF 
For SR-IOV, the PF PRI is shared between the PF and any associated VFs, and
the PRI Capability is allowed for PFs but not for VFs.  Searching for the
PRI Capability on a VF always fails, even if its associated PF supports
PRI.

Add pci_pri_supported() to check whether device or its associated PF
supports PRI.

[bhelgaas: commit log, avoid "!!"]
Fixes: b16d0cb9e2 ("iommu/vt-d: Always enable PASID/PRI PCI capabilities before ATS")
Link: https://lore.kernel.org/r/1595543849-19692-1-git-send-email-ashok.raj@intel.com
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Acked-by: Joerg Roedel <jroedel@suse.de>
Cc: stable@vger.kernel.org	# v4.4+
2020-07-24 09:50:41 -05:00
..
amd IOMMU drivers directory structure cleanup: 2020-06-12 12:19:13 -07:00
intel PCI/ATS: Add pci_pri_supported() to check device or associated PF 2020-07-24 09:50:41 -05:00
arm-smmu-impl.c iommu: arm-smmu-impl: Convert to a generic reset implementation 2020-05-07 14:21:42 +01:00
arm-smmu-qcom.c iommu/arm-smmu-qcom: Request direct mapping for modem device 2020-05-18 15:35:06 +01:00
arm-smmu-v3.c Merge branches 'arm/msm', 'arm/allwinner', 'arm/smmu', 'x86/vt-d', 'hyper-v', 'core' and 'x86/amd' into next 2020-06-02 10:32:04 +02:00
arm-smmu.c iommu/arm-smmu: Implement iommu_ops->def_domain_type call-back 2020-05-07 14:21:42 +01:00
arm-smmu.h iommu/arm-smmu: Implement iommu_ops->def_domain_type call-back 2020-05-07 14:21:42 +01:00
dma-iommu.c dma-pool: add additional coherent pools to map to gfp mask 2020-04-20 12:09:40 +02:00
exynos-iommu.c iommu/exynos: Convert to probe/release_device() call-backs 2020-05-05 14:36:14 +02:00
fsl_pamu_domain.c iommu/pamu: Convert to probe/release_device() call-backs 2020-05-05 14:36:13 +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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266 2019-06-05 17:30:28 +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: Constify hyperv_ir_domain_ops 2020-05-27 14:38:20 +02:00
io-pgtable-arm-v7s.c iommu/io-pgtable-arm: Rationalise TCR handling 2020-01-10 15:52:24 +00:00
io-pgtable-arm.c iommu/io-pgtable-arm: Fix IOVA validation for 32-bit 2020-03-02 17:17:26 +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 custom allocators 2019-10-15 13:34:25 +02:00
iommu-debugfs.c iommu: Fix IOMMU debugfs fallout 2019-02-26 11:15:58 +01:00
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 iommu: Check for deferred attach in iommu_group_do_dma_attach() 2020-06-04 11:38:17 +02:00
iova.c iommu/iova: Unify format of the printed messages 2020-05-13 10:54:51 +02:00
ipmmu-vmsa.c iommu/renesas: Fix unused-function warning 2020-05-13 10:46:56 +02:00
irq_remapping.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
irq_remapping.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile iommu/vt-d: Move Intel IOMMU driver into subdirectory 2020-06-10 17:46:43 +02:00
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 Merge branches 'arm/msm', 'arm/allwinner', 'arm/smmu', 'x86/vt-d', 'hyper-v', 'core' and 'x86/amd' into next 2020-06-02 10:32:04 +02:00
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-v1: Fix a build warning for a unused variable 'data' 2020-05-19 14:18:38 +02:00
mtk_iommu.c iommu/mediatek: Convert to probe/release_device() call-backs 2020-05-05 14:36:13 +02:00
mtk_iommu.h iommu/mediatek: Move the tlb_sync into tlb_flush 2019-11-11 15:02:34 +01:00
of_iommu.c iommu/arm-smmu-v3: Parse PASID devicetree property of platform devices 2020-01-15 16:00:57 +00:00
omap-iommu-debug.c Merge branches 'x86/vt-d', 'x86/amd', 'arm/smmu', 'arm/omap', 'generic-dma-ops' and 'core' into next 2019-07-04 17:26:48 +02:00
omap-iommu.c iommu/omap: Add registration for DT fwnode pointer 2020-05-18 15:39:45 +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
qcom_iommu.c Linux 5.7-rc4 2020-05-13 12:01:33 +02:00
rockchip-iommu.c iommu/rockchip: Convert to probe/release_device() call-backs 2020-05-05 14:36:13 +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: Constify sun50i_iommu_ops 2020-05-27 14:39:00 +02:00
tegra-gart.c iommu/tegra: Convert to probe/release_device() call-backs 2020-05-05 14:36:14 +02:00
tegra-smmu.c iommu/tegra: Convert to probe/release_device() call-backs 2020-05-05 14:36:14 +02:00
virtio-iommu.c Linux 5.7-rc7 2020-05-29 17:10:09 +02:00