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[v4,1/6] iommu: add IOMMU_PRIV attribute

Message ID 20160725191649.13414-2-mitchelh@codeaurora.org (mailing list archive)
State New, archived
Headers show

Commit Message

Mitchel Humpherys July 25, 2016, 7:16 p.m. UTC 
Add the IOMMU_PRIV attribute, which is used to indicate privileged
mappings.

Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
---

Notes:
    v2..v3
    
      - Added comment

 include/linux/iommu.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index a35fb8b42e1a..35804abbd6cf 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -31,6 +31,7 @@ 
 #define IOMMU_CACHE	(1 << 2) /* DMA cache coherency */
 #define IOMMU_NOEXEC	(1 << 3)
 #define IOMMU_MMIO	(1 << 4) /* e.g. things like MSI doorbells */
+#define IOMMU_PRIV	(1 << 5) /* privileged */
 
 struct iommu_ops;
 struct iommu_group;