From bb9936ada724950ff836b5339b441f2bea21877b Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 15 Oct 2008 22:01:03 -0700
Subject: [PATCH] --- yaml --- r: 114684 b: refs/heads/master c:
 1648993fb05c487947c1cec6307aca29d8002abe h: refs/heads/master v: v3

---
 [refs]                        |  2 +-
 trunk/include/linux/swiotlb.h | 83 +++++++++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+), 1 deletion(-)
 create mode 100644 trunk/include/linux/swiotlb.h

diff --git a/[refs] b/[refs]
index 52a0402ffafa..4a62dd1bdccd 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 459fc208abd1b365fa013c17d433dfb5b4bc1e3a
+refs/heads/master: 1648993fb05c487947c1cec6307aca29d8002abe
diff --git a/trunk/include/linux/swiotlb.h b/trunk/include/linux/swiotlb.h
new file mode 100644
index 000000000000..b18ec5533e8c
--- /dev/null
+++ b/trunk/include/linux/swiotlb.h
@@ -0,0 +1,83 @@
+#ifndef __LINUX_SWIOTLB_H
+#define __LINUX_SWIOTLB_H
+
+#include <linux/types.h>
+
+struct device;
+struct dma_attrs;
+struct scatterlist;
+
+extern void
+swiotlb_init(void);
+
+extern void
+*swiotlb_alloc_coherent(struct device *hwdev, size_t size,
+			dma_addr_t *dma_handle, gfp_t flags);
+
+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 int
+swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents,
+	       int direction);
+
+extern void
+swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
+		 int direction);
+
+extern int
+swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
+		     int 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);
+
+extern void
+swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
+			    size_t size, int dir);
+
+extern void
+swiotlb_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
+			int nelems, int dir);
+
+extern void
+swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr,
+			       size_t size, int dir);
+
+extern void
+swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
+			   int nelems, int 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);
+
+extern void
+swiotlb_sync_single_range_for_device(struct device *hwdev, dma_addr_t dev_addr,
+				     unsigned long offset, size_t size,
+				     int dir);
+
+extern int
+swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr);
+
+extern int
+swiotlb_dma_supported(struct device *hwdev, u64 mask);
+
+#endif /* __LINUX_SWIOTLB_H */