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authorJoerg Roedel <jroedel@suse.de>2017-01-30 18:05:18 +0300
committerJoerg Roedel <jroedel@suse.de>2017-01-30 18:05:18 +0300
commitce273db0ff1ae64fea785af25a43977b0b6a4555 (patch)
tree1a5d03cb1e5c0d63f298691a980b3e248654619f /include/linux/iommu.h
parent93fa6cf60aad833e7572a61f98b2d0aa6f67de40 (diff)
parent14b4dbafa7e7e13323e402efd7723aafa391d69a (diff)
downloadlinux-ce273db0ff1ae64fea785af25a43977b0b6a4555.tar.xz
Merge branch 'iommu/iommu-priv' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into arm/core
Diffstat (limited to 'include/linux/iommu.h')
-rw-r--r--include/linux/iommu.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index bec3730dc009..add30c375332 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -31,6 +31,13 @@
#define IOMMU_CACHE (1 << 2) /* DMA cache coherency */
#define IOMMU_NOEXEC (1 << 3)
#define IOMMU_MMIO (1 << 4) /* e.g. things like MSI doorbells */
+/*
+ * This is to make the IOMMU API setup privileged
+ * mapppings accessible by the master only at higher
+ * privileged execution level and inaccessible at
+ * less privileged levels.
+ */
+#define IOMMU_PRIV (1 << 5)
struct iommu_ops;
struct iommu_group;