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| author | Sheng Yang <sheng@linux.intel.com> | 2009-03-18 15:33:07 +0800 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-03-24 09:42:54 +0000 |
| commit | 9cf0669746be19a4906a6c48920060bcf54c708b (patch) | |
| tree | df324dd805268695b99e2237c6913d2f938b94b1 /include | |
| parent | dbb9fd8630e95b6155aff658a2b5f80e95ca2bc6 (diff) | |
| download | linux-stable-9cf0669746be19a4906a6c48920060bcf54c708b.tar.gz linux-stable-9cf0669746be19a4906a6c48920060bcf54c708b.tar.bz2 linux-stable-9cf0669746be19a4906a6c48920060bcf54c708b.zip | |
intel-iommu: VT-d page table to support snooping control bit
The user can request to enable snooping control through VT-d page table.
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/dma_remapping.h | 1 | ||||
| -rw-r--r-- | include/linux/iommu.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h index af1dab41674b..1a455f1f86d7 100644 --- a/include/linux/dma_remapping.h +++ b/include/linux/dma_remapping.h @@ -11,6 +11,7 @@ #define DMA_PTE_READ (1) #define DMA_PTE_WRITE (2) +#define DMA_PTE_SNP (1 << 11) struct intel_iommu; struct dmar_domain; diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 0cf3a4e43f23..3af4ffd591b9 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -21,6 +21,7 @@ #define IOMMU_READ (1) #define IOMMU_WRITE (2) +#define IOMMU_CACHE (4) /* DMA cache coherency */ struct device; |