Merge branch 'linus' into core/iommu

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / pci / intel-iommu.c

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 3dfecb20d5e7949953e7fefa2796af4b48bef88f..c933980bf5625c5e3a406c9a84322f9e93b98eab 100644 (file)
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -2274,6 +2274,15 @@ error:
        return 0;
 }
 
+static dma_addr_t intel_map_page(struct device *dev, struct page *page,
+                                unsigned long offset, size_t size,
+                                enum dma_data_direction dir,
+                                struct dma_attrs *attrs)
+{
+       return __intel_map_single(dev, page_to_phys(page) + offset, size,
+                                 dir, to_pci_dev(dev)->dma_mask);
+}
+
 dma_addr_t intel_map_single(struct device *hwdev, phys_addr_t paddr,
                            size_t size, int dir)
 {
@@ -2342,8 +2351,9 @@ static void add_unmap(struct dmar_domain *dom, struct iova *iova)
        spin_unlock_irqrestore(&async_umap_flush_lock, flags);
 }
 
-void intel_unmap_single(struct device *dev, dma_addr_t dev_addr, size_t size,
-                       int dir)
+static void intel_unmap_page(struct device *dev, dma_addr_t dev_addr,
+                            size_t size, enum dma_data_direction dir,
+                            struct dma_attrs *attrs)
 {
        struct pci_dev *pdev = to_pci_dev(dev);
        struct dmar_domain *domain;
@@ -2387,6 +2397,12 @@ void intel_unmap_single(struct device *dev, dma_addr_t dev_addr, size_t size,
        }
 }
 
+void intel_unmap_single(struct device *dev, dma_addr_t dev_addr, size_t size,
+                       int dir)
+{
+       intel_unmap_page(dev, dev_addr, size, dir, NULL);
+}
+
 void *intel_alloc_coherent(struct device *hwdev, size_t size,
                           dma_addr_t *dma_handle, gfp_t flags)
 {
@@ -2426,7 +2442,8 @@ void intel_free_coherent(struct device *hwdev, size_t size, void *vaddr,
 #define SG_ENT_VIRT_ADDRESS(sg)        (sg_virt((sg)))
 
 void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist,
-                   int nelems, int dir)
+                   int nelems, enum dma_data_direction dir,
+                   struct dma_attrs *attrs)
 {
        int i;
        struct pci_dev *pdev = to_pci_dev(hwdev);
@@ -2484,7 +2501,7 @@ static int intel_nontranslate_map_sg(struct device *hddev,
 }
 
 int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int nelems,
-                int dir)
+                enum dma_data_direction dir, struct dma_attrs *attrs)
 {
        void *addr;
        int i;
@@ -2564,13 +2581,13 @@ int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int nelems,
        return nelems;
 }
 
-static struct dma_mapping_ops intel_dma_ops = {
+struct dma_map_ops intel_dma_ops = {
        .alloc_coherent = intel_alloc_coherent,
        .free_coherent = intel_free_coherent,
-       .map_single = intel_map_single,
-       .unmap_single = intel_unmap_single,
        .map_sg = intel_map_sg,
        .unmap_sg = intel_unmap_sg,
+       .map_page = intel_map_page,
+       .unmap_page = intel_unmap_page,
 };
 
 static inline int iommu_domain_cache_init(void)