Merge branch 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[sfrench/cifs-2.6.git] / arch / um / include / asm / dma-mapping.h
1 #ifndef _ASM_DMA_MAPPING_H
2 #define _ASM_DMA_MAPPING_H
3
4 #include <asm/scatterlist.h>
5
6 static inline int
7 dma_supported(struct device *dev, u64 mask)
8 {
9         BUG();
10         return(0);
11 }
12
13 static inline int
14 dma_set_mask(struct device *dev, u64 dma_mask)
15 {
16         BUG();
17         return(0);
18 }
19
20 static inline void *
21 dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
22                    gfp_t flag)
23 {
24         BUG();
25         return((void *) 0);
26 }
27
28 static inline void
29 dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
30                   dma_addr_t dma_handle)
31 {
32         BUG();
33 }
34
35 static inline dma_addr_t
36 dma_map_single(struct device *dev, void *cpu_addr, size_t size,
37                enum dma_data_direction direction)
38 {
39         BUG();
40         return(0);
41 }
42
43 static inline void
44 dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
45                  enum dma_data_direction direction)
46 {
47         BUG();
48 }
49
50 static inline dma_addr_t
51 dma_map_page(struct device *dev, struct page *page,
52              unsigned long offset, size_t size,
53              enum dma_data_direction direction)
54 {
55         BUG();
56         return(0);
57 }
58
59 static inline void
60 dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
61                enum dma_data_direction direction)
62 {
63         BUG();
64 }
65
66 static inline int
67 dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
68            enum dma_data_direction direction)
69 {
70         BUG();
71         return(0);
72 }
73
74 static inline void
75 dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
76              enum dma_data_direction direction)
77 {
78         BUG();
79 }
80
81 static inline void
82 dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
83                 enum dma_data_direction direction)
84 {
85         BUG();
86 }
87
88 static inline void
89 dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
90             enum dma_data_direction direction)
91 {
92         BUG();
93 }
94
95 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
96 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
97 #define dma_is_consistent(d, h) (1)
98
99 static inline int
100 dma_get_cache_alignment(void)
101 {
102         BUG();
103         return(0);
104 }
105
106 static inline void
107 dma_cache_sync(struct device *dev, void *vaddr, size_t size,
108                enum dma_data_direction direction)
109 {
110         BUG();
111 }
112
113 static inline int
114 dma_mapping_error(struct device *dev, dma_addr_t dma_handle)
115 {
116         BUG();
117         return 0;
118 }
119
120 #endif