From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 include/xen/swiotlb-xen.h | 61 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 include/xen/swiotlb-xen.h

(limited to 'include/xen/swiotlb-xen.h')

diff --git a/include/xen/swiotlb-xen.h b/include/xen/swiotlb-xen.h
new file mode 100644
index 000000000..8b2eb93ae
--- /dev/null
+++ b/include/xen/swiotlb-xen.h
@@ -0,0 +1,61 @@
+#ifndef __LINUX_SWIOTLB_XEN_H
+#define __LINUX_SWIOTLB_XEN_H
+
+#include <linux/dma-direction.h>
+#include <linux/swiotlb.h>
+
+extern int xen_swiotlb_init(int verbose, bool early);
+
+extern void
+*xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size,
+			    dma_addr_t *dma_handle, gfp_t flags,
+			    struct dma_attrs *attrs);
+
+extern void
+xen_swiotlb_free_coherent(struct device *hwdev, size_t size,
+			  void *vaddr, dma_addr_t dma_handle,
+			  struct dma_attrs *attrs);
+
+extern dma_addr_t xen_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 xen_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
+xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
+			 int nelems, enum dma_data_direction dir,
+			 struct dma_attrs *attrs);
+
+extern void
+xen_swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
+			   int nelems, enum dma_data_direction dir,
+			   struct dma_attrs *attrs);
+
+extern void
+xen_swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
+				size_t size, enum dma_data_direction dir);
+
+extern void
+xen_swiotlb_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
+			    int nelems, enum dma_data_direction dir);
+
+extern void
+xen_swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr,
+				   size_t size, enum dma_data_direction dir);
+
+extern void
+xen_swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
+			       int nelems, enum dma_data_direction dir);
+
+extern int
+xen_swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr);
+
+extern int
+xen_swiotlb_dma_supported(struct device *hwdev, u64 mask);
+
+extern int
+xen_swiotlb_set_dma_mask(struct device *dev, u64 dma_mask);
+#endif /* __LINUX_SWIOTLB_XEN_H */
-- 
cgit v1.2.3-54-g00ecf