Merge commit 'iommu/auto-iommu-next'

Conflicts:
	arch/x86/include/asm/dma-mapping.h

3 files changed, 70 insertions, 25 deletions

diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index ba9114ec5d3a..d7d090d21031 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -3,6 +3,8 @@
 
 #include <linux/device.h>
 #include <linux/err.h>
+#include <linux/dma-attrs.h>
+#include <linux/scatterlist.h>
 
 /* These definitions mirror those in pci.h, so they can be used
  * interchangeably with their PCI_ counterparts */
@@ -13,6 +15,52 @@ enum dma_data_direction {
 	DMA_NONE = 3,
 };
 
+struct dma_map_ops {
+	void* (*alloc_coherent)(struct device *dev, size_t size,
+				dma_addr_t *dma_handle, gfp_t gfp);
+	void (*free_coherent)(struct device *dev, size_t size,
+			      void *vaddr, dma_addr_t dma_handle);
+	dma_addr_t (*map_page)(struct device *dev, struct page *page,
+			       unsigned long offset, size_t size,
+			       enum dma_data_direction dir,
+			       struct dma_attrs *attrs);
+	void (*unmap_page)(struct device *dev, dma_addr_t dma_handle,
+			   size_t size, enum dma_data_direction dir,
+			   struct dma_attrs *attrs);
+	int (*map_sg)(struct device *dev, struct scatterlist *sg,
+		      int nents, enum dma_data_direction dir,
+		      struct dma_attrs *attrs);
+	void (*unmap_sg)(struct device *dev,
+			 struct scatterlist *sg, int nents,
+			 enum dma_data_direction dir,
+			 struct dma_attrs *attrs);
+	void (*sync_single_for_cpu)(struct device *dev,
+				    dma_addr_t dma_handle, size_t size,
+				    enum dma_data_direction dir);
+	void (*sync_single_for_device)(struct device *dev,
+				       dma_addr_t dma_handle, size_t size,
+				       enum dma_data_direction dir);
+	void (*sync_single_range_for_cpu)(struct device *dev,
+					  dma_addr_t dma_handle,
+					  unsigned long offset,
+					  size_t size,
+					  enum dma_data_direction dir);
+	void (*sync_single_range_for_device)(struct device *dev,
+					     dma_addr_t dma_handle,
+					     unsigned long offset,
+					     size_t size,
+					     enum dma_data_direction dir);
+	void (*sync_sg_for_cpu)(struct device *dev,
+				struct scatterlist *sg, int nents,
+				enum dma_data_direction dir);
+	void (*sync_sg_for_device)(struct device *dev,
+				   struct scatterlist *sg, int nents,
+				   enum dma_data_direction dir);
+	int (*mapping_error)(struct device *dev, dma_addr_t dma_addr);
+	int (*dma_supported)(struct device *dev, u64 mask);
+	int is_phys;
+};
+
 #define DMA_BIT_MASK(n)	(((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
 
 /*
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index c4f6c101dbcd..a254db1decd0 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -334,7 +334,9 @@ extern void *intel_alloc_coherent(struct device *, size_t, dma_addr_t *, gfp_t);
 extern void intel_free_coherent(struct device *, size_t, void *, dma_addr_t);
 extern dma_addr_t intel_map_single(struct device *, phys_addr_t, size_t, int);
 extern void intel_unmap_single(struct device *, dma_addr_t, size_t, int);
-extern int intel_map_sg(struct device *, struct scatterlist *, int, int);
-extern void intel_unmap_sg(struct device *, struct scatterlist *, int, int);
+extern int intel_map_sg(struct device *, struct scatterlist *, int,
+			enum dma_data_direction, struct dma_attrs *);
+extern void intel_unmap_sg(struct device *, struct scatterlist *, int,
+			   enum dma_data_direction, struct dma_attrs *);
 
 #endif
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index dedd3c0cfe30..ac9ff54f7cb3 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -31,7 +31,7 @@ extern dma_addr_t swiotlb_phys_to_bus(struct device *hwdev,
 				      phys_addr_t address);
 extern phys_addr_t swiotlb_bus_to_phys(dma_addr_t address);
 
-extern int swiotlb_arch_range_needs_mapping(void *ptr, size_t size);
+extern int swiotlb_arch_range_needs_mapping(phys_addr_t paddr, size_t size);
 
 extern void
 *swiotlb_alloc_coherent(struct device *hwdev, size_t size,
@@ -41,20 +41,13 @@ extern void
 swiotlb_free_coherent(struct device *hwdev, size_t size,
 		      void *vaddr, dma_addr_t dma_handle);
 
-extern dma_addr_t
-swiotlb_map_single(struct device *hwdev, void *ptr, size_t size, int dir);
-
-extern void
-swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
-		     size_t size, int dir);
-
-extern dma_addr_t
-swiotlb_map_single_attrs(struct device *hwdev, void *ptr, size_t size,
-			 int dir, struct dma_attrs *attrs);
-
-extern void
-swiotlb_unmap_single_attrs(struct device *hwdev, dma_addr_t dev_addr,
-			   size_t size, int dir, struct dma_attrs *attrs);
+extern dma_addr_t swiotlb_map_page(struct device *dev, struct page *page,
+				   unsigned long offset, size_t size,
+				   enum dma_data_direction dir,
+				   struct dma_attrs *attrs);
+extern void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
+			       size_t size, enum dma_data_direction dir,
+			       struct dma_attrs *attrs);
 
 extern int
 swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents,
@@ -66,36 +59,38 @@ swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
 
 extern int
 swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
-		     int dir, struct dma_attrs *attrs);
+		     enum dma_data_direction dir, struct dma_attrs *attrs);
 
 extern void
 swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
-		       int nelems, int dir, struct dma_attrs *attrs);
+		       int nelems, enum dma_data_direction dir,
+		       struct dma_attrs *attrs);
 
 extern void
 swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
-			    size_t size, int dir);
+			    size_t size, enum dma_data_direction dir);
 
 extern void
 swiotlb_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
-			int nelems, int dir);
+			int nelems, enum dma_data_direction dir);
 
 extern void
 swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr,
-			       size_t size, int dir);
+			       size_t size, enum dma_data_direction dir);
 
 extern void
 swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
-			   int nelems, int dir);
+			   int nelems, enum dma_data_direction dir);
 
 extern void
 swiotlb_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
-				  unsigned long offset, size_t size, int dir);
+				  unsigned long offset, size_t size,
+				  enum dma_data_direction dir);
 
 extern void
 swiotlb_sync_single_range_for_device(struct device *hwdev, dma_addr_t dev_addr,
 				     unsigned long offset, size_t size,
-				     int dir);
+				     enum dma_data_direction dir);
 
 extern int
 swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr);