iommu/amd: Do not support IOMMUv2 APIs when SNP is enabled

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The IOMMUv2 APIs (for supporting shared virtual memory with PASID)
configures the domain with IOMMU v2 page table, and sets DTE[Mode]=0.
This configuration cannot be supported on SNP-enabled system.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20220713225651.20758-10-suravee.suthikulpanit@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Suravee Suthikulpanit 2022-07-13 17:56:51 -05:00 • committed by Joerg Roedel

parent 8388f7df93

commit 30315e71b4

1 changed files with 6 additions and 1 deletions

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drivers/iommu/amd/init.c

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