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authorNicolin Chen <[email protected]>2024-10-30 21:20:56 -0300
committerJason Gunthorpe <[email protected]>2024-11-12 14:11:03 -0400
commitd68beb276ba26cec47350a6d468e967673ee0c56 (patch)
treef8e342b248f6a4a138695512a51e4bda9889a366 /tools/perf/scripts/python/event_analyzing_sample.py
parentf27298a82ba09a1c8aecee8a209b2a312beac672 (diff)
iommu/arm-smmu-v3: Support IOMMU_HWPT_INVALIDATE using a VIOMMU object
Implement the vIOMMU's cache_invalidate op for user space to invalidate the IOTLB entries, Device ATS and CD entries that are cached by hardware. Add struct iommu_viommu_arm_smmuv3_invalidate defining invalidation entries that are simply in the native format of a 128-bit TLBI command. Scan those commands against the permitted command list and fix their VMID/SID fields to match what is stored in the vIOMMU. Link: https://patch.msgid.link/r/[email protected] Co-developed-by: Eric Auger <[email protected]> Signed-off-by: Eric Auger <[email protected]> Co-developed-by: Jason Gunthorpe <[email protected]> Signed-off-by: Nicolin Chen <[email protected]> Tested-by: Nicolin Chen <[email protected]> Signed-off-by: Jason Gunthorpe <[email protected]>
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