diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 06349fd..07973c4 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -330,15 +330,17 @@
 
 extern void qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu);
 
-void intel_iommu_domain_exit(struct dmar_domain *domain);
-struct dmar_domain *intel_iommu_domain_alloc(struct pci_dev *pdev);
-int intel_iommu_context_mapping(struct dmar_domain *domain,
-				struct pci_dev *pdev);
-int intel_iommu_page_mapping(struct dmar_domain *domain, dma_addr_t iova,
-			     u64 hpa, size_t size, int prot);
-void intel_iommu_detach_dev(struct dmar_domain *domain, u8 bus, u8 devfn);
-struct dmar_domain *intel_iommu_find_domain(struct pci_dev *pdev);
-u64 intel_iommu_iova_to_pfn(struct dmar_domain *domain, u64 iova);
+struct dmar_domain *intel_iommu_alloc_domain(void);
+void intel_iommu_free_domain(struct dmar_domain *domain);
+int intel_iommu_attach_device(struct dmar_domain *domain,
+			      struct pci_dev *pdev);
+void intel_iommu_detach_device(struct dmar_domain *domain,
+			       struct pci_dev *pdev);
+int intel_iommu_map_address(struct dmar_domain *domain, dma_addr_t iova,
+			    u64 hpa, size_t size, int prot);
+void intel_iommu_unmap_address(struct dmar_domain *domain,
+			       dma_addr_t iova, size_t size);
+u64 intel_iommu_iova_to_phys(struct dmar_domain *domain, u64 iova);
 
 #ifdef CONFIG_DMAR
 int intel_iommu_found(void);