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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 | ||
42 | extern void debug_dma_unmap_page(struct device *dev, dma_addr_t addr, | |
43 | size_t size, int direction, bool map_single); | |
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 | ||
b9d2317e JR |
57 | extern void debug_dma_sync_single_for_cpu(struct device *dev, |
58 | dma_addr_t dma_handle, size_t size, | |
59 | int direction); | |
60 | ||
61 | extern void debug_dma_sync_single_for_device(struct device *dev, | |
62 | dma_addr_t dma_handle, | |
63 | size_t size, int direction); | |
64 | ||
948408ba JR |
65 | extern void debug_dma_sync_single_range_for_cpu(struct device *dev, |
66 | dma_addr_t dma_handle, | |
67 | unsigned long offset, | |
68 | size_t size, | |
69 | int direction); | |
70 | ||
71 | extern void debug_dma_sync_single_range_for_device(struct device *dev, | |
72 | dma_addr_t dma_handle, | |
73 | unsigned long offset, | |
74 | size_t size, int direction); | |
75 | ||
a31fba5d JR |
76 | extern void debug_dma_sync_sg_for_cpu(struct device *dev, |
77 | struct scatterlist *sg, | |
78 | int nelems, int direction); | |
79 | ||
80 | extern void debug_dma_sync_sg_for_device(struct device *dev, | |
81 | struct scatterlist *sg, | |
82 | int nelems, int direction); | |
83 | ||
ac26c18b DW |
84 | extern void debug_dma_dump_mappings(struct device *dev); |
85 | ||
6bf07871 JR |
86 | #else /* CONFIG_DMA_API_DEBUG */ |
87 | ||
84be58d4 | 88 | static inline void dma_debug_add_bus(struct bus_type *bus) |
41531c8f JR |
89 | { |
90 | } | |
91 | ||
6bf07871 JR |
92 | static inline void dma_debug_init(u32 num_entries) |
93 | { | |
94 | } | |
95 | ||
e6a1a89d FT |
96 | static inline int dma_debug_resize_entries(u32 num_entries) |
97 | { | |
98 | return 0; | |
99 | } | |
100 | ||
f62bc980 JR |
101 | static inline void debug_dma_map_page(struct device *dev, struct page *page, |
102 | size_t offset, size_t size, | |
103 | int direction, dma_addr_t dma_addr, | |
104 | bool map_single) | |
105 | { | |
106 | } | |
107 | ||
108 | static inline void debug_dma_unmap_page(struct device *dev, dma_addr_t addr, | |
109 | size_t size, int direction, | |
110 | bool map_single) | |
111 | { | |
112 | } | |
113 | ||
972aa45c JR |
114 | static inline void debug_dma_map_sg(struct device *dev, struct scatterlist *sg, |
115 | int nents, int mapped_ents, int direction) | |
116 | { | |
117 | } | |
118 | ||
119 | static inline void debug_dma_unmap_sg(struct device *dev, | |
120 | struct scatterlist *sglist, | |
121 | int nelems, int dir) | |
122 | { | |
123 | } | |
f62bc980 | 124 | |
6bfd4498 JR |
125 | static inline void debug_dma_alloc_coherent(struct device *dev, size_t size, |
126 | dma_addr_t dma_addr, void *virt) | |
127 | { | |
128 | } | |
129 | ||
130 | static inline void debug_dma_free_coherent(struct device *dev, size_t size, | |
131 | void *virt, dma_addr_t addr) | |
132 | { | |
133 | } | |
134 | ||
b9d2317e JR |
135 | static inline void debug_dma_sync_single_for_cpu(struct device *dev, |
136 | dma_addr_t dma_handle, | |
137 | size_t size, int direction) | |
138 | { | |
139 | } | |
140 | ||
141 | static inline void debug_dma_sync_single_for_device(struct device *dev, | |
142 | dma_addr_t dma_handle, | |
143 | size_t size, int direction) | |
144 | { | |
145 | } | |
146 | ||
948408ba JR |
147 | static inline void debug_dma_sync_single_range_for_cpu(struct device *dev, |
148 | dma_addr_t dma_handle, | |
149 | unsigned long offset, | |
150 | size_t size, | |
151 | int direction) | |
152 | { | |
153 | } | |
154 | ||
155 | static inline void debug_dma_sync_single_range_for_device(struct device *dev, | |
156 | dma_addr_t dma_handle, | |
157 | unsigned long offset, | |
158 | size_t size, | |
159 | int direction) | |
160 | { | |
161 | } | |
162 | ||
a31fba5d JR |
163 | static inline void debug_dma_sync_sg_for_cpu(struct device *dev, |
164 | struct scatterlist *sg, | |
165 | int nelems, int direction) | |
166 | { | |
167 | } | |
168 | ||
169 | static inline void debug_dma_sync_sg_for_device(struct device *dev, | |
170 | struct scatterlist *sg, | |
171 | int nelems, int direction) | |
172 | { | |
173 | } | |
174 | ||
ac26c18b DW |
175 | static inline void debug_dma_dump_mappings(struct device *dev) |
176 | { | |
177 | } | |
178 | ||
6bf07871 JR |
179 | #endif /* CONFIG_DMA_API_DEBUG */ |
180 | ||
f2f45e5f | 181 | #endif /* __DMA_DEBUG_H */ |