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f2f45e5f JR |
1 | /* |
2 | * Copyright (C) 2008 Advanced Micro Devices, Inc. | |
3 | * | |
4 | * Author: Joerg Roedel <joerg.roedel@amd.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License version 2 as published | |
8 | * by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | */ | |
19 | ||
20 | #ifndef __DMA_DEBUG_H | |
21 | #define __DMA_DEBUG_H | |
22 | ||
6bf07871 JR |
23 | #include <linux/types.h> |
24 | ||
f2f45e5f | 25 | struct device; |
972aa45c | 26 | struct scatterlist; |
41531c8f | 27 | struct bus_type; |
f2f45e5f | 28 | |
6bf07871 JR |
29 | #ifdef CONFIG_DMA_API_DEBUG |
30 | ||
41531c8f JR |
31 | extern void dma_debug_add_bus(struct bus_type *bus); |
32 | ||
99c65fa7 SB |
33 | extern void debug_dma_map_single(struct device *dev, const void *addr, |
34 | unsigned long len); | |
35 | ||
f62bc980 JR |
36 | extern void debug_dma_map_page(struct device *dev, struct page *page, |
37 | size_t offset, size_t size, | |
2e05ea5c | 38 | int direction, dma_addr_t dma_addr); |
f62bc980 | 39 | |
6c9c6d63 SK |
40 | extern void debug_dma_mapping_error(struct device *dev, dma_addr_t dma_addr); |
41 | ||
f62bc980 | 42 | extern void debug_dma_unmap_page(struct device *dev, dma_addr_t addr, |
2e05ea5c | 43 | size_t size, int direction); |
f62bc980 | 44 | |
972aa45c JR |
45 | extern void debug_dma_map_sg(struct device *dev, struct scatterlist *sg, |
46 | int nents, int mapped_ents, int direction); | |
47 | ||
48 | extern void debug_dma_unmap_sg(struct device *dev, struct scatterlist *sglist, | |
49 | int nelems, int dir); | |
f62bc980 | 50 | |
6bfd4498 JR |
51 | extern void debug_dma_alloc_coherent(struct device *dev, size_t size, |
52 | dma_addr_t dma_addr, void *virt); | |
53 | ||
54 | extern void debug_dma_free_coherent(struct device *dev, size_t size, | |
55 | void *virt, dma_addr_t addr); | |
56 | ||
0e74b34d NS |
57 | extern void debug_dma_map_resource(struct device *dev, phys_addr_t addr, |
58 | size_t size, int direction, | |
59 | dma_addr_t dma_addr); | |
60 | ||
61 | extern void debug_dma_unmap_resource(struct device *dev, dma_addr_t dma_addr, | |
62 | size_t size, int direction); | |
63 | ||
b9d2317e JR |
64 | extern void debug_dma_sync_single_for_cpu(struct device *dev, |
65 | dma_addr_t dma_handle, size_t size, | |
66 | int direction); | |
67 | ||
68 | extern void debug_dma_sync_single_for_device(struct device *dev, | |
69 | dma_addr_t dma_handle, | |
70 | size_t size, int direction); | |
71 | ||
a31fba5d JR |
72 | extern void debug_dma_sync_sg_for_cpu(struct device *dev, |
73 | struct scatterlist *sg, | |
74 | int nelems, int direction); | |
75 | ||
76 | extern void debug_dma_sync_sg_for_device(struct device *dev, | |
77 | struct scatterlist *sg, | |
78 | int nelems, int direction); | |
79 | ||
ac26c18b DW |
80 | extern void debug_dma_dump_mappings(struct device *dev); |
81 | ||
0abdd7a8 DW |
82 | extern void debug_dma_assert_idle(struct page *page); |
83 | ||
6bf07871 JR |
84 | #else /* CONFIG_DMA_API_DEBUG */ |
85 | ||
84be58d4 | 86 | static inline void dma_debug_add_bus(struct bus_type *bus) |
41531c8f JR |
87 | { |
88 | } | |
89 | ||
99c65fa7 SB |
90 | static inline void debug_dma_map_single(struct device *dev, const void *addr, |
91 | unsigned long len) | |
92 | { | |
93 | } | |
94 | ||
f62bc980 JR |
95 | static inline void debug_dma_map_page(struct device *dev, struct page *page, |
96 | size_t offset, size_t size, | |
2e05ea5c | 97 | int direction, dma_addr_t dma_addr) |
f62bc980 JR |
98 | { |
99 | } | |
100 | ||
6c9c6d63 SK |
101 | static inline void debug_dma_mapping_error(struct device *dev, |
102 | dma_addr_t dma_addr) | |
103 | { | |
104 | } | |
105 | ||
f62bc980 | 106 | static inline void debug_dma_unmap_page(struct device *dev, dma_addr_t addr, |
2e05ea5c | 107 | size_t size, int direction) |
f62bc980 JR |
108 | { |
109 | } | |
110 | ||
972aa45c JR |
111 | static inline void debug_dma_map_sg(struct device *dev, struct scatterlist *sg, |
112 | int nents, int mapped_ents, int direction) | |
113 | { | |
114 | } | |
115 | ||
116 | static inline void debug_dma_unmap_sg(struct device *dev, | |
117 | struct scatterlist *sglist, | |
118 | int nelems, int dir) | |
119 | { | |
120 | } | |
f62bc980 | 121 | |
6bfd4498 JR |
122 | static inline void debug_dma_alloc_coherent(struct device *dev, size_t size, |
123 | dma_addr_t dma_addr, void *virt) | |
124 | { | |
125 | } | |
126 | ||
127 | static inline void debug_dma_free_coherent(struct device *dev, size_t size, | |
128 | void *virt, dma_addr_t addr) | |
129 | { | |
130 | } | |
131 | ||
0e74b34d NS |
132 | static inline void debug_dma_map_resource(struct device *dev, phys_addr_t addr, |
133 | size_t size, int direction, | |
134 | dma_addr_t dma_addr) | |
135 | { | |
136 | } | |
137 | ||
138 | static inline void debug_dma_unmap_resource(struct device *dev, | |
139 | dma_addr_t dma_addr, size_t size, | |
140 | int direction) | |
141 | { | |
142 | } | |
143 | ||
b9d2317e JR |
144 | static inline void debug_dma_sync_single_for_cpu(struct device *dev, |
145 | dma_addr_t dma_handle, | |
146 | size_t size, int direction) | |
147 | { | |
148 | } | |
149 | ||
150 | static inline void debug_dma_sync_single_for_device(struct device *dev, | |
151 | dma_addr_t dma_handle, | |
152 | size_t size, int direction) | |
153 | { | |
154 | } | |
155 | ||
a31fba5d JR |
156 | static inline void debug_dma_sync_sg_for_cpu(struct device *dev, |
157 | struct scatterlist *sg, | |
158 | int nelems, int direction) | |
159 | { | |
160 | } | |
161 | ||
162 | static inline void debug_dma_sync_sg_for_device(struct device *dev, | |
163 | struct scatterlist *sg, | |
164 | int nelems, int direction) | |
165 | { | |
166 | } | |
167 | ||
ac26c18b DW |
168 | static inline void debug_dma_dump_mappings(struct device *dev) |
169 | { | |
170 | } | |
171 | ||
0abdd7a8 DW |
172 | static inline void debug_dma_assert_idle(struct page *page) |
173 | { | |
174 | } | |
175 | ||
6bf07871 JR |
176 | #endif /* CONFIG_DMA_API_DEBUG */ |
177 | ||
f2f45e5f | 178 | #endif /* __DMA_DEBUG_H */ |