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iommu: add capability IOMMU_CAP_NOEXEC

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Some IOMMUs accept an IOMMU_NOEXEC protection flag in addition to
IOMMU_READ and IOMMU_WRITE. Expose this as an IOMMU capability.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Acked-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Antonios Motakis
2014-10-13 14:06:17 +01:00
committed by Will Deacon
parent a720b41c41
commit c49866493b
1 changed files with 1 additions and 0 deletions
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include/linux/iommu.h
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@ -61,6 +61,7 @@ enum iommu_cap {
IOMMU_CAP_CACHE_COHERENCY, /* IOMMU can enforce cache coherent DMA
transactions */
IOMMU_CAP_INTR_REMAP, /* IOMMU supports interrupt isolation */
IOMMU_CAP_NOEXEC, /* IOMMU_NOEXEC flag */
};
/*