1 /* SPDX-License-Identifier: GPL-2.0-only */ 1
2 /*
3 * Copyright (C) 2008 Advanced Micro Devices,
4 *
5 * Author: Joerg Roedel <joerg.roedel@amd.com>
6 */
7
8 #ifndef _KERNEL_DMA_DEBUG_H
9 #define _KERNEL_DMA_DEBUG_H
10
11 #ifdef CONFIG_DMA_API_DEBUG
12 extern void debug_dma_map_page(struct device *
13 size_t offset,
14 int direction,
15 unsigned long a
16
17 extern void debug_dma_unmap_page(struct device
18 size_t size,
19
20 extern void debug_dma_map_sg(struct device *de
21 int nents, int ma
22 unsigned long att
23
24 extern void debug_dma_unmap_sg(struct device *
25 int nelems, int
26
27 extern void debug_dma_alloc_coherent(struct de
28 dma_addr_
29 unsigned
30
31 extern void debug_dma_free_coherent(struct dev
32 void *virt
33
34 extern void debug_dma_map_resource(struct devi
35 size_t size
36 dma_addr_t
37 unsigned lo
38
39 extern void debug_dma_unmap_resource(struct de
40 size_t si
41
42 extern void debug_dma_sync_single_for_cpu(stru
43 dma_
44 int
45
46 extern void debug_dma_sync_single_for_device(s
47 d
48 s
49
50 extern void debug_dma_sync_sg_for_cpu(struct d
51 struct s
52 int nele
53
54 extern void debug_dma_sync_sg_for_device(struc
55 struc
56 int n
57 #else /* CONFIG_DMA_API_DEBUG */
58 static inline void debug_dma_map_page(struct d
59 size_t o
60 int dire
61 unsigned
62 {
63 }
64
65 static inline void debug_dma_unmap_page(struct
66 size_t
67 {
68 }
69
70 static inline void debug_dma_map_sg(struct dev
71 int nents,
72 unsigned l
73 {
74 }
75
76 static inline void debug_dma_unmap_sg(struct d
77 struct s
78 int nele
79 {
80 }
81
82 static inline void debug_dma_alloc_coherent(st
83 dm
84 un
85 {
86 }
87
88 static inline void debug_dma_free_coherent(str
89 voi
90 {
91 }
92
93 static inline void debug_dma_map_resource(stru
94 size
95 dma_
96 unsi
97 {
98 }
99
100 static inline void debug_dma_unmap_resource(st
101 dm
102 in
103 {
104 }
105
106 static inline void debug_dma_sync_single_for_c
107
108
109 {
110 }
111
112 static inline void debug_dma_sync_single_for_d
113
114
115 {
116 }
117
118 static inline void debug_dma_sync_sg_for_cpu(s
119 s
120 i
121 {
122 }
123
124 static inline void debug_dma_sync_sg_for_devic
125
126
127 {
128 }
129 #endif /* CONFIG_DMA_API_DEBUG */
130 #endif /* _KERNEL_DMA_DEBUG_H */
131
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