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.mota...@virtualopensystems.com>
---
include/linux/iommu.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index fc464d2..7e152fb 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -57,8 +57,9 @@ struct iommu_domain {
struct iommu_domain_geometry geometry;
};
-#define IOMMU_CAP_CACHE_COHERENCY 0x1
-#define IOMMU_CAP_INTR_REMAP 0x2 /* isolates device intrs */
+#define IOMMU_CAP_CACHE_COHERENCY (1 << 0)
+#define IOMMU_CAP_INTR_REMAP (1 << 1) /* isolates device intrs */
+#define IOMMU_CAP_NOEXEC (1 << 2) /* IOMMU_NOEXEC flag */
/*
* Following constraints are specifc to FSL_PAMUV1:
--
1.8.3.2
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