VT-d: adapt domain map and unmap functions for IOMMU API

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

1 files changed, 20 insertions, 13 deletions

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index db9a26cfeb8f..8af6c96f31b3 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -3047,20 +3047,28 @@ static void intel_iommu_detach_device(struct iommu_domain *domain,
         vm_domain_remove_one_dev_info(dmar_domain, pdev);
 }
 
-int intel_iommu_map_address(struct dmar_domain *domain, dma_addr_t iova,
-                            u64 hpa, size_t size, int prot)
+static int intel_iommu_map_range(struct iommu_domain *domain,
+                                 unsigned long iova, phys_addr_t hpa,
+                                 size_t size, int iommu_prot)
 {
+        struct dmar_domain *dmar_domain = domain->priv;
         u64 max_addr;
         int addr_width;
+        int prot = 0;
         int ret;
 
+        if (iommu_prot & IOMMU_READ)
+                prot |= DMA_PTE_READ;
+        if (iommu_prot & IOMMU_WRITE)
+                prot |= DMA_PTE_WRITE;
+
         max_addr = (iova & VTD_PAGE_MASK) + VTD_PAGE_ALIGN(size);
-        if (domain->max_addr < max_addr) {
+        if (dmar_domain->max_addr < max_addr) {
                 int min_agaw;
                 u64 end;
 
                 /* check if minimum agaw is sufficient for mapped address */
-                min_agaw = vm_domain_min_agaw(domain);
+                min_agaw = vm_domain_min_agaw(dmar_domain);
                 addr_width = agaw_to_width(min_agaw);
                 end = DOMAIN_MAX_ADDR(addr_width);
                 end = end & VTD_PAGE_MASK;
@@ -3070,28 +3078,27 @@ int intel_iommu_map_address(struct dmar_domain *domain, dma_addr_t iova,
                                __func__, min_agaw, max_addr);
                         return -EFAULT;
                 }
-                domain->max_addr = max_addr;
+                dmar_domain->max_addr = max_addr;
         }
 
-        ret = domain_page_mapping(domain, iova, hpa, size, prot);
+        ret = domain_page_mapping(dmar_domain, iova, hpa, size, prot);
         return ret;
 }
-EXPORT_SYMBOL_GPL(intel_iommu_map_address);
 
-void intel_iommu_unmap_address(struct dmar_domain *domain,
-                               dma_addr_t iova, size_t size)
+static void intel_iommu_unmap_range(struct iommu_domain *domain,
+                                    unsigned long iova, size_t size)
 {
+        struct dmar_domain *dmar_domain = domain->priv;
         dma_addr_t base;
 
         /* The address might not be aligned */
         base = iova & VTD_PAGE_MASK;
         size = VTD_PAGE_ALIGN(size);
-        dma_pte_clear_range(domain, base, base + size);
+        dma_pte_clear_range(dmar_domain, base, base + size);
 
-        if (domain->max_addr == base + size)
-                domain->max_addr = base;
+        if (dmar_domain->max_addr == base + size)
+                dmar_domain->max_addr = base;
 }
-EXPORT_SYMBOL_GPL(intel_iommu_unmap_address);
 
 int intel_iommu_found(void)
 {