iommu/amd: Add support to invalidate multiple guest pages

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Current interface supports invalidating single page or entire guest
translation information for a single process address space.

IOMMU CMD_INV_IOMMU_PAGES and CMD_INV_IOTLB_PAGES commands supports
invalidating range of pages. Add support to invalidate multiple pages.

This is preparatory patch before consolidating host and guest
invalidation code into single function. Following patches will
consolidation tlb invalidation code.

Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20231122090215.6191-5-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Vasant Hegde 2023-11-22 09:02:10 +00:00 • committed by Joerg Roedel

parent a976da66e8

commit cf62924daf

1 changed files with 13 additions and 18 deletions

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drivers/iommu/amd/iommu.c

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