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iommu: Add DOMAIN_ATTR_PAGE_TABLE_IS_COHERENT

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Add a read-only domain attribute for querying whether or not the
page table of an IOMMU is coherent.

Change-Id: Ifa70b155348ef3d111a41fcad47eccb00d68d427
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
This commit is contained in:
Mitchel Humpherys 2016-06-07 14:55:50 -07:00 • committed by Gerrit - the friendly Code Review server
parent eb225221bd
commit d62673fead
1 changed files with 1 additions and 0 deletions
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include/linux/iommu.h
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@ -134,6 +134,7 @@ enum iommu_attr {
DOMAIN_ATTR_FAST,
DOMAIN_ATTR_PGTBL_INFO,
DOMAIN_ATTR_EARLY_MAP,
DOMAIN_ATTR_PAGE_TABLE_IS_COHERENT,
DOMAIN_ATTR_MAX,
};