tree 07efb59ecb6050712262387aa2fe3b952743fda5
parent 6c54aabd5e687092557f4881ce2d4013b971f293
author Joerg Roedel <joerg.roedel@amd.com> 1280243664 +0200
committer Joerg Roedel <joerg.roedel@amd.com> 1280243664 +0200

x86/amd-iommu: Export cache-coherency capability

This patch exports the capability of the AMD IOMMU to force
cache coherency of DMA transactions through the IOMMU-API.
This is required to disable some nasty hacks in KVM when
this capability is not available.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>