iommu/amd: Add SVA domain support

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- Allocate SVA domain and setup mmu notifier. In free path unregister
  mmu notifier and free protection domain.

- Add mmu notifier callback function. It will retrieve SVA protection
  domain and invalidates IO/TLB.

Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20240418103400.6229-16-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Vasant Hegde 2024-04-18 10:34:00 +00:00 • committed by Joerg Roedel

parent 80af5a4520

commit a5a91e5484

4 changed files with 93 additions and 3 deletions

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5

drivers/iommu/amd/amd_iommu.h

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1

drivers/iommu/amd/amd_iommu_types.h

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10

drivers/iommu/amd/iommu.c

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80

drivers/iommu/amd/pasid.c

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