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4c0fa5bfca
linux/drivers/iommu
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Lu Baolu 4c0fa5bfca iommu/vt-d: debugfs: Add support to show inv queue internals 
Export invalidation queue internals of each iommu device through the
debugfs.

Example of such dump on a Skylake machine:

$ sudo cat /sys/kernel/debug/iommu/intel/invalidation_queue
Invalidation queue on IOMMU: dmar1
 Base: 0x1672c9000      Head: 80        Tail: 80
Index           qw0                     qw1                     status
    0   0000000000000004        0000000000000000        0000000000000000
    1   0000000200000025        00000001672be804        0000000000000000
    2   0000000000000011        0000000000000000        0000000000000000
    3   0000000200000025        00000001672be80c        0000000000000000
    4   00000000000000d2        0000000000000000        0000000000000000
    5   0000000200000025        00000001672be814        0000000000000000
    6   0000000000000014        0000000000000000        0000000000000000
    7   0000000200000025        00000001672be81c        0000000000000000
    8   0000000000000014        0000000000000000        0000000000000000
    9   0000000200000025        00000001672be824        0000000000000000

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20200516062101.29541-14-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-05-18 15:37:26 +02:00
..
amd_iommu_debugfs.c
amd_iommu_init.c iommu/amd: Fix legacy interrupt remapping for x2APIC-enabled system 2020-05-01 13:21:18 +02:00
amd_iommu_proto.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
amd_iommu_quirks.c iommu/amd: Apply the same IVRS IOAPIC workaround to Acer Aspire A315-41 2019-10-30 10:24:03 +01:00
amd_iommu_types.h iommu/amd: Remove dev_data->passthrough 2020-05-05 14:36:13 +02:00
amd_iommu_v2.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
amd_iommu.c iommu/amd: Fix variable "iommu" set but not used 2020-05-13 10:39:43 +02:00
amd_iommu.h iommu/amd: Override wrong IVRS IOAPIC on Raven Ridge systems 2019-08-23 10:26:48 +02:00
arm-smmu-impl.c iommu/arm-smmu: Rename public #defines under ARM_SMMU_ namespace 2020-01-10 15:52:25 +00:00
arm-smmu-qcom.c iommu: arm-smmu-impl: Add sdm845 implementation hook 2019-11-04 17:48:37 +00:00
arm-smmu-v3.c iommu/arm-smmu: Convert to probe/release_device() call-backs 2020-05-05 14:36:13 +02:00
arm-smmu.c iommu/arm-smmu: Convert to probe/release_device() call-backs 2020-05-05 14:36:13 +02:00
arm-smmu.h iommu/io-pgtable-arm: Rationalise VTCR handling 2020-01-10 15:52:25 +00:00
dma-iommu.c iommu/dma: Fix MSI reservation allocation 2020-03-04 16:27:56 +01:00
dmar.c iommu/vt-d: Multiple descriptors per qi_submit_sync() 2020-05-18 15:37:26 +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
fsl_pamu.c
fsl_pamu.h
hyperv-iommu.c
intel_irq_remapping.c iommu/vt-d: Multiple descriptors per qi_submit_sync() 2020-05-18 15:37:26 +02:00
intel-iommu-debugfs.c iommu/vt-d: debugfs: Add support to show inv queue internals 2020-05-18 15:37:26 +02:00
intel-iommu.c iommu/vt-d: Replace intel SVM APIs with generic SVA APIs 2020-05-18 15:37:25 +02:00
intel-pasid.c iommu/vt-d: Multiple descriptors per qi_submit_sync() 2020-05-18 15:37:26 +02:00
intel-pasid.h iommu/vt-d: Enlightened PASID allocation 2020-05-18 15:37:25 +02:00
intel-svm.c iommu/vt-d: Multiple descriptors per qi_submit_sync() 2020-05-18 15:37:26 +02:00
intel-trace.c iommu/vt-d: Add trace events for device dma map/unmap 2019-09-11 12:34:30 +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-sysfs.c drivers/iommu: Export core IOMMU API symbols to permit modular drivers 2019-12-23 14:06:05 +01:00
iommu-traces.c
iommu.c iommu: Remove functions that support private domain 2020-05-15 12:00:36 +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
irq_remapping.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
Kconfig iommu: spapr_tce: Disable compile testing to fix build on book3s_32 config 2020-04-29 13:55:40 +02:00
Makefile iommu/arm-smmu: Restore naming of driver parameter prefix 2020-02-19 12:03:21 +01:00
msm_iommu_hw-8xxx.h
msm_iommu.c iommu/msm: Convert to probe/release_device() call-backs 2020-05-05 14:36:13 +02:00
msm_iommu.h
mtk_iommu_v1.c iommu/mediatek-v1 Convert to probe/release_device() call-backs 2020-05-05 14:36:13 +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: Convert to probe/release_device() call-backs 2020-05-05 14:36:14 +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 iommu/s390: Convert to probe/release_device() call-backs 2020-05-05 14:36:13 +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 iommu/virtio: Convert to probe/release_device() call-backs 2020-05-05 14:36:13 +02:00