2 * Copyright (C) 2008 Advanced Micro Devices, Inc.
4 * Author: Joerg Roedel <joerg.roedel@amd.com>
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.
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.
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
23 #include <linux/types.h>
29 #ifdef CONFIG_DMA_API_DEBUG
31 extern void dma_debug_add_bus(struct bus_type
*bus
);
33 extern void dma_debug_init(u32 num_entries
);
35 extern int dma_debug_resize_entries(u32 num_entries
);
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
,
42 extern void debug_dma_unmap_page(struct device
*dev
, dma_addr_t addr
,
43 size_t size
, int direction
, bool map_single
);
45 extern void debug_dma_map_sg(struct device
*dev
, struct scatterlist
*sg
,
46 int nents
, int mapped_ents
, int direction
);
48 extern void debug_dma_unmap_sg(struct device
*dev
, struct scatterlist
*sglist
,
51 extern void debug_dma_alloc_coherent(struct device
*dev
, size_t size
,
52 dma_addr_t dma_addr
, void *virt
);
54 extern void debug_dma_free_coherent(struct device
*dev
, size_t size
,
55 void *virt
, dma_addr_t addr
);
57 extern void debug_dma_sync_single_for_cpu(struct device
*dev
,
58 dma_addr_t dma_handle
, size_t size
,
61 extern void debug_dma_sync_single_for_device(struct device
*dev
,
62 dma_addr_t dma_handle
,
63 size_t size
, int direction
);
65 extern void debug_dma_sync_single_range_for_cpu(struct device
*dev
,
66 dma_addr_t dma_handle
,
71 extern void debug_dma_sync_single_range_for_device(struct device
*dev
,
72 dma_addr_t dma_handle
,
74 size_t size
, int direction
);
76 extern void debug_dma_sync_sg_for_cpu(struct device
*dev
,
77 struct scatterlist
*sg
,
78 int nelems
, int direction
);
80 extern void debug_dma_sync_sg_for_device(struct device
*dev
,
81 struct scatterlist
*sg
,
82 int nelems
, int direction
);
84 extern void debug_dma_dump_mappings(struct device
*dev
);
86 #else /* CONFIG_DMA_API_DEBUG */
88 static inline void dma_debug_add_bus(struct bus_type
*bus
)
92 static inline void dma_debug_init(u32 num_entries
)
96 static inline int dma_debug_resize_entries(u32 num_entries
)
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
,
108 static inline void debug_dma_unmap_page(struct device
*dev
, dma_addr_t addr
,
109 size_t size
, int direction
,
114 static inline void debug_dma_map_sg(struct device
*dev
, struct scatterlist
*sg
,
115 int nents
, int mapped_ents
, int direction
)
119 static inline void debug_dma_unmap_sg(struct device
*dev
,
120 struct scatterlist
*sglist
,
125 static inline void debug_dma_alloc_coherent(struct device
*dev
, size_t size
,
126 dma_addr_t dma_addr
, void *virt
)
130 static inline void debug_dma_free_coherent(struct device
*dev
, size_t size
,
131 void *virt
, dma_addr_t addr
)
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
)
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
)
147 static inline void debug_dma_sync_single_range_for_cpu(struct device
*dev
,
148 dma_addr_t dma_handle
,
149 unsigned long offset
,
155 static inline void debug_dma_sync_single_range_for_device(struct device
*dev
,
156 dma_addr_t dma_handle
,
157 unsigned long offset
,
163 static inline void debug_dma_sync_sg_for_cpu(struct device
*dev
,
164 struct scatterlist
*sg
,
165 int nelems
, int direction
)
169 static inline void debug_dma_sync_sg_for_device(struct device
*dev
,
170 struct scatterlist
*sg
,
171 int nelems
, int direction
)
175 static inline void debug_dma_dump_mappings(struct device
*dev
)
179 #endif /* CONFIG_DMA_API_DEBUG */
181 #endif /* __DMA_DEBUG_H */
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