1#ifndef _ASM_IA64_DMA_MAPPING_H
2#define _ASM_IA64_DMA_MAPPING_H
3
4
5
6
7
8#include <asm/machvec.h>
9#include <linux/scatterlist.h>
10#include <asm/swiotlb.h>
11#include <linux/dma-debug.h>
12
13#define ARCH_HAS_DMA_GET_REQUIRED_MASK
14
15#define DMA_ERROR_CODE 0
16
17extern struct dma_map_ops *dma_ops;
18extern struct ia64_machine_vector ia64_mv;
19extern void set_iommu_machvec(void);
20
21extern void machvec_dma_sync_single(struct device *, dma_addr_t, size_t,
22 enum dma_data_direction);
23extern void machvec_dma_sync_sg(struct device *, struct scatterlist *, int,
24 enum dma_data_direction);
25
26#define get_dma_ops(dev) platform_dma_get_ops(dev)
27
28#include <asm-generic/dma-mapping-common.h>
29
30static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
31{
32 if (!dev->dma_mask)
33 return 0;
34
35 return addr + size - 1 <= *dev->dma_mask;
36}
37
38static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
39{
40 return paddr;
41}
42
43static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
44{
45 return daddr;
46}
47
48static inline void
49dma_cache_sync (struct device *dev, void *vaddr, size_t size,
50 enum dma_data_direction dir)
51{
52
53
54
55
56 mb();
57}
58
59#endif
60