Commit c4986649 authored Oct 13, 2014 by Antonios Motakis Committed by Will Deacon Nov 14, 2014

iommu: add capability IOMMU_CAP_NOEXEC



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>

parent a720b41c

include/linux/iommu.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -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 */
		};

		/*