iommu coherency

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In dmar_domain, more than one iommus may be included in iommu_bmp. Due to "Coherency" capability may be different across iommus, set this variable to indicate iommu access is coherent or not. Only when all related iommus in a dmar_domain are all coherent, iommu access of this domain is coherent.

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

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Weidong Han 2008-12-08 15:49:06 +08:00 • committed by Joerg Roedel

parent 1b5736839a

commit 8e604097dd

1 changed files with 24 additions and 0 deletions

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drivers/pci/intel-iommu.c

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