iommu/amd: Add support for page response

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This generates AMD IOMMU COMPLETE_PPR_REQUEST for the specified device
with the specified PRI Response Code.

Also update amd_iommu_complete_ppr() to accept 'struct device' instead
of pdev as it just need device reference.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Wei Huang <wei.huang2@amd.com>
Co-developed-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20240418103400.6229-11-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Suravee Suthikulpanit 2024-04-18 10:33:55 +00:00 • committed by Joerg Roedel

parent 61928bab9d

commit 405e2f122b

3 changed files with 13 additions and 6 deletions

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5

drivers/iommu/amd/amd_iommu.h

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8

drivers/iommu/amd/iommu.c

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6

drivers/iommu/amd/ppr.c

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