2014-10-13 13:07:03

by Antonios Motakis

[permalink] [raw]
Subject: [PATCH 2/3] 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 <[email protected]>
Acked-by: Joerg Roedel <[email protected]>
---
include/linux/iommu.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 5f6f71c..ba026f1 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -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 */
};

/*
--
2.1.1