iommu/amd: Add helper function to check GIOSUP/GTSUP

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amd_iommu_gt_ppr_supported() only checks for GTSUP. To support PASID
with V2 page table we need GIOSUP as well. Hence add new helper function
to check GIOSUP/GTSUP.

Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20241028093810.5901-6-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Vasant Hegde 2024-10-28 09:38:03 +00:00 • committed by Joerg Roedel

parent 60c30aa6af

commit b0ffdb23e9

2 changed files with 7 additions and 3 deletions

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7

drivers/iommu/amd/amd_iommu.h

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3

drivers/iommu/amd/init.c

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