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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 | ||
6bf07871 JR |
33 | extern void dma_debug_init(u32 num_entries); |
34 | ||
e6a1a89d FT |
35 | extern int dma_debug_resize_entries(u32 num_entries); |
36 | ||
f62bc980 JR |
37 | extern void debug_dma_map_page(struct device *dev, struct page *page, |
38 | size_t offset, size_t size, | |
39 | int direction, dma_addr_t dma_addr, | |
40 | bool map_single); | |
41 | ||
6c9c6d63 SK |
42 | extern void debug_dma_mapping_error(struct device *dev, dma_addr_t dma_addr); |
43 | ||
f62bc980 JR |
44 | extern void debug_dma_unmap_page(struct device *dev, dma_addr_t addr, |
45 | size_t size, int direction, bool map_single); | |
46 | ||
972aa45c JR |
47 | extern void debug_dma_map_sg(struct device *dev, struct scatterlist *sg, |
48 | int nents, int mapped_ents, int direction); | |
49 | ||
50 | extern void debug_dma_unmap_sg(struct device *dev, struct scatterlist *sglist, | |
51 | int nelems, int dir); | |
f62bc980 | 52 | |
6bfd4498 JR |
53 | extern void debug_dma_alloc_coherent(struct device *dev, size_t size, |
54 | dma_addr_t dma_addr, void *virt); | |
55 | ||
56 | extern void debug_dma_free_coherent(struct device *dev, size_t size, | |
57 | void *virt, dma_addr_t addr); | |
58 | ||
0e74b34d NS |
59 | extern void debug_dma_map_resource(struct device *dev, phys_addr_t addr, |
60 | size_t size, int direction, | |
61 | dma_addr_t dma_addr); | |
62 | ||
63 | extern void debug_dma_unmap_resource(struct device *dev, dma_addr_t dma_addr, | |
64 | size_t size, int direction); | |
65 | ||
b9d2317e JR |
66 | extern void debug_dma_sync_single_for_cpu(struct device *dev, |
67 | dma_addr_t dma_handle, size_t size, | |
68 | int direction); | |
69 | ||
70 | extern void debug_dma_sync_single_for_device(struct device *dev, | |
71 | dma_addr_t dma_handle, | |
72 | size_t size, int direction); | |
73 | ||
948408ba JR |
74 | extern void debug_dma_sync_single_range_for_cpu(struct device *dev, |
75 | dma_addr_t dma_handle, | |
76 | unsigned long offset, | |
77 | size_t size, | |
78 | int direction); | |
79 | ||
80 | extern void debug_dma_sync_single_range_for_device(struct device *dev, | |
81 | dma_addr_t dma_handle, | |
82 | unsigned long offset, | |
83 | size_t size, int direction); | |
84 | ||
a31fba5d JR |
85 | extern void debug_dma_sync_sg_for_cpu(struct device *dev, |
86 | struct scatterlist *sg, | |
87 | int nelems, int direction); | |
88 | ||
89 | extern void debug_dma_sync_sg_for_device(struct device *dev, | |
90 | struct scatterlist *sg, | |
91 | int nelems, int direction); | |
92 | ||
ac26c18b DW |
93 | extern void debug_dma_dump_mappings(struct device *dev); |
94 | ||
0abdd7a8 DW |
95 | extern void debug_dma_assert_idle(struct page *page); |
96 | ||
6bf07871 JR |
97 | #else /* CONFIG_DMA_API_DEBUG */ |
98 | ||
84be58d4 | 99 | static inline void dma_debug_add_bus(struct bus_type *bus) |
41531c8f JR |
100 | { |
101 | } | |
102 | ||
6bf07871 JR |
103 | static inline void dma_debug_init(u32 num_entries) |
104 | { | |
105 | } | |
106 | ||
e6a1a89d FT |
107 | static inline int dma_debug_resize_entries(u32 num_entries) |
108 | { | |
109 | return 0; | |
110 | } | |
111 | ||
f62bc980 JR |
112 | static inline void debug_dma_map_page(struct device *dev, struct page *page, |
113 | size_t offset, size_t size, | |
114 | int direction, dma_addr_t dma_addr, | |
115 | bool map_single) | |
116 | { | |
117 | } | |
118 | ||
6c9c6d63 SK |
119 | static inline void debug_dma_mapping_error(struct device *dev, |
120 | dma_addr_t dma_addr) | |
121 | { | |
122 | } | |
123 | ||
f62bc980 JR |
124 | static inline void debug_dma_unmap_page(struct device *dev, dma_addr_t addr, |
125 | size_t size, int direction, | |
126 | bool map_single) | |
127 | { | |
128 | } | |
129 | ||
972aa45c JR |
130 | static inline void debug_dma_map_sg(struct device *dev, struct scatterlist *sg, |
131 | int nents, int mapped_ents, int direction) | |
132 | { | |
133 | } | |
134 | ||
135 | static inline void debug_dma_unmap_sg(struct device *dev, | |
136 | struct scatterlist *sglist, | |
137 | int nelems, int dir) | |
138 | { | |
139 | } | |
f62bc980 | 140 | |
6bfd4498 JR |
141 | static inline void debug_dma_alloc_coherent(struct device *dev, size_t size, |
142 | dma_addr_t dma_addr, void *virt) | |
143 | { | |
144 | } | |
145 | ||
146 | static inline void debug_dma_free_coherent(struct device *dev, size_t size, | |
147 | void *virt, dma_addr_t addr) | |
148 | { | |
149 | } | |
150 | ||
0e74b34d NS |
151 | static inline void debug_dma_map_resource(struct device *dev, phys_addr_t addr, |
152 | size_t size, int direction, | |
153 | dma_addr_t dma_addr) | |
154 | { | |
155 | } | |
156 | ||
157 | static inline void debug_dma_unmap_resource(struct device *dev, | |
158 | dma_addr_t dma_addr, size_t size, | |
159 | int direction) | |
160 | { | |
161 | } | |
162 | ||
b9d2317e JR |
163 | static inline void debug_dma_sync_single_for_cpu(struct device *dev, |
164 | dma_addr_t dma_handle, | |
165 | size_t size, int direction) | |
166 | { | |
167 | } | |
168 | ||
169 | static inline void debug_dma_sync_single_for_device(struct device *dev, | |
170 | dma_addr_t dma_handle, | |
171 | size_t size, int direction) | |
172 | { | |
173 | } | |
174 | ||
948408ba JR |
175 | static inline void debug_dma_sync_single_range_for_cpu(struct device *dev, |
176 | dma_addr_t dma_handle, | |
177 | unsigned long offset, | |
178 | size_t size, | |
179 | int direction) | |
180 | { | |
181 | } | |
182 | ||
183 | static inline void debug_dma_sync_single_range_for_device(struct device *dev, | |
184 | dma_addr_t dma_handle, | |
185 | unsigned long offset, | |
186 | size_t size, | |
187 | int direction) | |
188 | { | |
189 | } | |
190 | ||
a31fba5d JR |
191 | static inline void debug_dma_sync_sg_for_cpu(struct device *dev, |
192 | struct scatterlist *sg, | |
193 | int nelems, int direction) | |
194 | { | |
195 | } | |
196 | ||
197 | static inline void debug_dma_sync_sg_for_device(struct device *dev, | |
198 | struct scatterlist *sg, | |
199 | int nelems, int direction) | |
200 | { | |
201 | } | |
202 | ||
ac26c18b DW |
203 | static inline void debug_dma_dump_mappings(struct device *dev) |
204 | { | |
205 | } | |
206 | ||
0abdd7a8 DW |
207 | static inline void debug_dma_assert_idle(struct page *page) |
208 | { | |
209 | } | |
210 | ||
6bf07871 JR |
211 | #endif /* CONFIG_DMA_API_DEBUG */ |
212 | ||
f2f45e5f | 213 | #endif /* __DMA_DEBUG_H */ |