37 #define BAD_DMA_ADDRESS ((u64) 0)
48 static int qib_mapping_error(struct ib_device *dev, u64 dma_addr)  in qib_mapping_error()
53 static u64 qib_dma_map_single(struct ib_device *dev, void *cpu_addr,  in qib_dma_map_single()
57 	return (u64) cpu_addr;  in qib_dma_map_single()
60 static void qib_dma_unmap_single(struct ib_device *dev, u64 addr, size_t size,  in qib_dma_unmap_single()
66 static u64 qib_dma_map_page(struct ib_device *dev, struct page *page,  in qib_dma_map_page()
70 	u64 addr;  in qib_dma_map_page()
79 	addr = (u64) page_address(page);  in qib_dma_map_page()
88 static void qib_dma_unmap_page(struct ib_device *dev, u64 addr, size_t size,  in qib_dma_unmap_page()
98 	u64 addr;  in qib_map_sg()
105 		addr = (u64) page_address(sg_page(sg));  in qib_map_sg()
126 static void qib_sync_single_for_cpu(struct ib_device *dev, u64 addr,  in qib_sync_single_for_cpu()
131 static void qib_sync_single_for_device(struct ib_device *dev, u64 addr,  in qib_sync_single_for_device()
138 				    u64 *dma_handle, gfp_t flag)  in qib_dma_alloc_coherent()
147 		*dma_handle = (u64) addr;  in qib_dma_alloc_coherent()
152 				  void *cpu_addr, u64 dma_handle)  in qib_dma_free_coherent()