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| author | David Woodhouse <David.Woodhouse@intel.com> | 2015-09-09 11:40:47 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2015-10-15 12:55:45 +0100 |
| commit | 2f26e0a9c9860db290d63e9d85c2c8c09813677f (patch) | |
| tree | 6a3712f991b9ae60b8eaece608c355b66fd3e5b5 /include/linux/dma_remapping.h | |
| parent | b16d0cb9e2fc5c311948c660dd6f4b59a9ccd333 (diff) | |
| download | lwn-2f26e0a9c9860db290d63e9d85c2c8c09813677f.tar.gz lwn-2f26e0a9c9860db290d63e9d85c2c8c09813677f.zip | |
iommu/vt-d: Add basic SVM PASID support
This provides basic PASID support for endpoint devices, tested with a
version of the i915 driver.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'include/linux/dma_remapping.h')
| -rw-r--r-- | include/linux/dma_remapping.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h index 7ac17f57250e..0e114bfabeed 100644 --- a/include/linux/dma_remapping.h +++ b/include/linux/dma_remapping.h @@ -20,6 +20,13 @@ #define CONTEXT_TT_MULTI_LEVEL 0 #define CONTEXT_TT_DEV_IOTLB 1 #define CONTEXT_TT_PASS_THROUGH 2 +/* Extended context entry types */ +#define CONTEXT_TT_PT_PASID 4 +#define CONTEXT_TT_PT_PASID_DEV_IOTLB 5 +#define CONTEXT_TT_MASK (7ULL << 2) + +#define CONTEXT_PRS (1ULL << 9) +#define CONTEXT_PASIDE (1ULL << 11) struct intel_iommu; struct dmar_domain; |