1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h
index b7c79cc19681..cb83b0995391 100644
--- a/drivers/iommu/intel/iommu.h
+++ b/drivers/iommu/intel/iommu.h
@@ -35,6 +35,8 @@
 #define VTD_PAGE_MASK		(((u64)-1) << VTD_PAGE_SHIFT)
 #define VTD_PAGE_ALIGN(addr)	(((addr) + VTD_PAGE_SIZE - 1) & VTD_PAGE_MASK)
 
+#define IOVA_PFN(addr)		((addr) >> PAGE_SHIFT)
+
 #define VTD_STRIDE_SHIFT        (9)
 #define VTD_STRIDE_MASK         (((u64)-1) << VTD_STRIDE_SHIFT)
 
@@ -1040,6 +1042,13 @@ static inline void context_set_sm_pre(struct context_entry *context)
 	context->lo |= BIT_ULL(4);
 }
 
+/* Returns a number of VTD pages, but aligned to MM page size */
+static inline unsigned long aligned_nrpages(unsigned long host_addr, size_t size)
+{
+	host_addr &= ~PAGE_MASK;
+	return PAGE_ALIGN(host_addr + size) >> VTD_PAGE_SHIFT;
+}
+
 /* Convert value to context PASID directory size field coding. */
 #define context_pdts(pds)	(((pds) & 0x7) << 9)
 
@@ -1121,6 +1130,11 @@ int cache_tag_assign_domain(struct dmar_domain *domain,
 			    struct device *dev, ioasid_t pasid);
 void cache_tag_unassign_domain(struct dmar_domain *domain,
 			       struct device *dev, ioasid_t pasid);
+void cache_tag_flush_range(struct dmar_domain *domain, unsigned long start,
+			   unsigned long end, int ih);
+void cache_tag_flush_all(struct dmar_domain *domain);
+void cache_tag_flush_range_np(struct dmar_domain *domain, unsigned long start,
+			      unsigned long end);
 
 #ifdef CONFIG_INTEL_IOMMU_SVM
 void intel_svm_check(struct intel_iommu *iommu);