1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) 2008 Advanced Micro Devices, Inc.
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 *dev, struct page *page,
13 size_t offset, size_t size,
14 int direction, dma_addr_t dma_addr,
15 unsigned long attrs);
16
17 extern void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,
18 size_t size, int direction);
19
20 extern void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
21 int nents, int mapped_ents, int direction,
22 unsigned long attrs);
23
24 extern void debug_dma_unmap_sg(struct device *dev, struct scatterlist *sglist,
25 int nelems, int dir);
26
27 extern void debug_dma_alloc_coherent(struct device *dev, size_t size,
28 dma_addr_t dma_addr, void *virt,
29 unsigned long attrs);
30
31 extern void debug_dma_free_coherent(struct device *dev, size_t size,
32 void *virt, dma_addr_t addr);
33
34 extern void debug_dma_map_resource(struct device *dev, phys_addr_t addr,
35 size_t size, int direction,
36 dma_addr_t dma_addr,
37 unsigned long attrs);
38
39 extern void debug_dma_unmap_resource(struct device *dev, dma_addr_t dma_addr,
40 size_t size, int direction);
41
42 extern void debug_dma_sync_single_for_cpu(struct device *dev,
43 dma_addr_t dma_handle, size_t size,
44 int direction);
45
46 extern void debug_dma_sync_single_for_device(struct device *dev,
47 dma_addr_t dma_handle,
48 size_t size, int direction);
49
50 extern void debug_dma_sync_sg_for_cpu(struct device *dev,
51 struct scatterlist *sg,
52 int nelems, int direction);
53
54 extern void debug_dma_sync_sg_for_device(struct device *dev,
55 struct scatterlist *sg,
56 int nelems, int direction);
57 #else /* CONFIG_DMA_API_DEBUG */
58 static inline void debug_dma_map_page(struct device *dev, struct page *page,
59 size_t offset, size_t size,
60 int direction, dma_addr_t dma_addr,
61 unsigned long attrs)
62 {
63 }
64
65 static inline void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,
66 size_t size, int direction)
67 {
68 }
69
70 static inline void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
71 int nents, int mapped_ents, int direction,
72 unsigned long attrs)
73 {
74 }
75
76 static inline void debug_dma_unmap_sg(struct device *dev,
77 struct scatterlist *sglist,
78 int nelems, int dir)
79 {
80 }
81
82 static inline void debug_dma_alloc_coherent(struct device *dev, size_t size,
83 dma_addr_t dma_addr, void *virt,
84 unsigned long attrs)
85 {
86 }
87
88 static inline void debug_dma_free_coherent(struct device *dev, size_t size,
89 void *virt, dma_addr_t addr)
90 {
91 }
92
93 static inline void debug_dma_map_resource(struct device *dev, phys_addr_t addr,
94 size_t size, int direction,
95 dma_addr_t dma_addr,
96 unsigned long attrs)
97 {
98 }
99
100 static inline void debug_dma_unmap_resource(struct device *dev,
101 dma_addr_t dma_addr, size_t size,
102 int direction)
103 {
104 }
105
106 static inline void debug_dma_sync_single_for_cpu(struct device *dev,
107 dma_addr_t dma_handle,
108 size_t size, int direction)
109 {
110 }
111
112 static inline void debug_dma_sync_single_for_device(struct device *dev,
113 dma_addr_t dma_handle,
114 size_t size, int direction)
115 {
116 }
117
118 static inline void debug_dma_sync_sg_for_cpu(struct device *dev,
119 struct scatterlist *sg,
120 int nelems, int direction)
121 {
122 }
123
124 static inline void debug_dma_sync_sg_for_device(struct device *dev,
125 struct scatterlist *sg,
126 int nelems, int direction)
127 {
128 }
129 #endif /* CONFIG_DMA_API_DEBUG */
130 #endif /* _KERNEL_DMA_DEBUG_H */
131
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