[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/include/xen/swiotlb-xen.h b/ap/os/linux/linux-3.4.x/include/xen/swiotlb-xen.h
new file mode 100644
index 0000000..4f4d449
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/include/xen/swiotlb-xen.h
@@ -0,0 +1,67 @@
+#ifndef __LINUX_SWIOTLB_XEN_H
+#define __LINUX_SWIOTLB_XEN_H
+
+#include <linux/swiotlb.h>
+
+extern void xen_swiotlb_init(int verbose);
+
+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(struct device *hwdev, struct scatterlist *sg, int nents,
+ enum dma_data_direction dir);
+
+extern void
+xen_swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
+ enum dma_data_direction dir);
+*/
+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);
+
+#endif /* __LINUX_SWIOTLB_XEN_H */