iommupt/x86: Support SW bits and permit PT_FEAT_DMA_INCOHERENT

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VT-d requires PT_FEAT_DMA_INCOHERENT for the x86 page table as well,
implement the required SW bits and enable the feature.

Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

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Jason Gunthorpe 2025-10-23 15:22:35 -03:00 • committed by Joerg Roedel

parent 1978fac281

commit ef7bfe5bbf

2 changed files with 28 additions and 1 deletions

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2

drivers/iommu/generic_pt/fmt/iommu_x86_64.c

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27

drivers/iommu/generic_pt/fmt/x86_64.h

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