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| author | Lu Baolu <baolu.lu@linux.intel.com> | 2018-12-10 04:59:00 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2018-12-11 12:45:58 +0300 |
| commit | 6f7db75e1c469057fe7588ed959328ead771ccc7 (patch) | |
| tree | b52cb801724f388b5881423963c1f7055ecb174d /drivers/iommu/intel-pasid.h | |
| parent | 3b33d4ab3217337f648f7ff3e57e755e6444c748 (diff) | |
| download | linux-6f7db75e1c469057fe7588ed959328ead771ccc7.tar.xz | |
iommu/vt-d: Add second level page table interface
This adds the interfaces to setup or tear down the structures
for second level page table translations. This includes types
of second level only translation and pass through.
Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Sanjay Kumar <sanjay.k.kumar@intel.com>
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/intel-pasid.h')
| -rw-r--r-- | drivers/iommu/intel-pasid.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/iommu/intel-pasid.h b/drivers/iommu/intel-pasid.h index 03c1612d173c..3c70522091d3 100644 --- a/drivers/iommu/intel-pasid.h +++ b/drivers/iommu/intel-pasid.h @@ -49,5 +49,13 @@ struct pasid_table *intel_pasid_get_table(struct device *dev); int intel_pasid_get_dev_max_id(struct device *dev); struct pasid_entry *intel_pasid_get_entry(struct device *dev, int pasid); void intel_pasid_clear_entry(struct device *dev, int pasid); +int intel_pasid_setup_second_level(struct intel_iommu *iommu, + struct dmar_domain *domain, + struct device *dev, int pasid); +int intel_pasid_setup_pass_through(struct intel_iommu *iommu, + struct dmar_domain *domain, + struct device *dev, int pasid); +void intel_pasid_tear_down_entry(struct intel_iommu *iommu, + struct device *dev, int pasid); #endif /* __INTEL_PASID_H */ |