tree 2b6ce6b68850d905e4ce5d38b6872b82f6328208
parent 8c11e798eee2ce4475134eaf61302b28ea4f205d
author Weidong Han <weidong.han@intel.com> 1228721646 +0800
committer Joerg Roedel <joerg.roedel@amd.com> 1230987738 +0100

calculate agaw for each iommu

"SAGAW" capability may be different across iommus. Use a default agaw, but if default agaw is not supported in some iommus, choose a less supported agaw.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>