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path: root/drivers/iommu/intel/pasid.h
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Diffstat (limited to 'drivers/iommu/intel/pasid.h')
-rw-r--r--drivers/iommu/intel/pasid.h22
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/iommu/intel/pasid.h b/drivers/iommu/intel/pasid.h
index dde6d3ba5ae0..082f4fe20216 100644
--- a/drivers/iommu/intel/pasid.h
+++ b/drivers/iommu/intel/pasid.h
@@ -22,13 +22,6 @@
#define is_pasid_enabled(entry) (((entry)->lo >> 3) & 0x1)
#define get_pasid_dir_size(entry) (1 << ((((entry)->lo >> 9) & 0x7) + 7))
-/*
- * Domain ID reserved for pasid entries programmed for first-level
- * only and pass-through transfer modes.
- */
-#define FLPT_DEFAULT_DID 1
-#define NUM_RESERVED_DID 2
-
#define PASID_FLAG_NESTED BIT(1)
#define PASID_FLAG_PAGE_SNOOP BIT(2)
@@ -303,6 +296,21 @@ int intel_pasid_setup_pass_through(struct intel_iommu *iommu,
struct device *dev, u32 pasid);
int intel_pasid_setup_nested(struct intel_iommu *iommu, struct device *dev,
u32 pasid, struct dmar_domain *domain);
+int intel_pasid_replace_first_level(struct intel_iommu *iommu,
+ struct device *dev, pgd_t *pgd,
+ u32 pasid, u16 did, u16 old_did,
+ int flags);
+int intel_pasid_replace_second_level(struct intel_iommu *iommu,
+ struct dmar_domain *domain,
+ struct device *dev, u16 old_did,
+ u32 pasid);
+int intel_pasid_replace_pass_through(struct intel_iommu *iommu,
+ struct device *dev, u16 old_did,
+ u32 pasid);
+int intel_pasid_replace_nested(struct intel_iommu *iommu,
+ struct device *dev, u32 pasid,
+ u16 old_did, struct dmar_domain *domain);
+
void intel_pasid_tear_down_entry(struct intel_iommu *iommu,
struct device *dev, u32 pasid,
bool fault_ignore);