diff options
| -rw-r--r-- | include/linux/iommu.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 0ff5111f6959..69e2417a2965 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; |