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git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - include/linux/dma-debug.h
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 void debug_dma_map_page(struct device
*dev
, struct page
*page
,
36 size_t offset
, size_t size
,
37 int direction
, dma_addr_t dma_addr
,
40 extern void debug_dma_unmap_page(struct device
*dev
, dma_addr_t addr
,
41 size_t size
, int direction
, bool map_single
);
43 extern void debug_dma_map_sg(struct device
*dev
, struct scatterlist
*sg
,
44 int nents
, int mapped_ents
, int direction
);
46 extern void debug_dma_unmap_sg(struct device
*dev
, struct scatterlist
*sglist
,
49 extern void debug_dma_alloc_coherent(struct device
*dev
, size_t size
,
50 dma_addr_t dma_addr
, void *virt
);
52 extern void debug_dma_free_coherent(struct device
*dev
, size_t size
,
53 void *virt
, dma_addr_t addr
);
55 extern void debug_dma_sync_single_for_cpu(struct device
*dev
,
56 dma_addr_t dma_handle
, size_t size
,
59 extern void debug_dma_sync_single_for_device(struct device
*dev
,
60 dma_addr_t dma_handle
,
61 size_t size
, int direction
);
63 extern void debug_dma_sync_single_range_for_cpu(struct device
*dev
,
64 dma_addr_t dma_handle
,
69 extern void debug_dma_sync_single_range_for_device(struct device
*dev
,
70 dma_addr_t dma_handle
,
72 size_t size
, int direction
);
74 extern void debug_dma_sync_sg_for_cpu(struct device
*dev
,
75 struct scatterlist
*sg
,
76 int nelems
, int direction
);
78 extern void debug_dma_sync_sg_for_device(struct device
*dev
,
79 struct scatterlist
*sg
,
80 int nelems
, int direction
);
82 extern void debug_dma_dump_mappings(struct device
*dev
);
84 #else /* CONFIG_DMA_API_DEBUG */
86 static inline void dma_debug_add_bus(struct bus_type
*bus
)
90 static inline void dma_debug_init(u32 num_entries
)
94 static inline void debug_dma_map_page(struct device
*dev
, struct page
*page
,
95 size_t offset
, size_t size
,
96 int direction
, dma_addr_t dma_addr
,
101 static inline void debug_dma_unmap_page(struct device
*dev
, dma_addr_t addr
,
102 size_t size
, int direction
,
107 static inline void debug_dma_map_sg(struct device
*dev
, struct scatterlist
*sg
,
108 int nents
, int mapped_ents
, int direction
)
112 static inline void debug_dma_unmap_sg(struct device
*dev
,
113 struct scatterlist
*sglist
,
118 static inline void debug_dma_alloc_coherent(struct device
*dev
, size_t size
,
119 dma_addr_t dma_addr
, void *virt
)
123 static inline void debug_dma_free_coherent(struct device
*dev
, size_t size
,
124 void *virt
, dma_addr_t addr
)
128 static inline void debug_dma_sync_single_for_cpu(struct device
*dev
,
129 dma_addr_t dma_handle
,
130 size_t size
, int direction
)
134 static inline void debug_dma_sync_single_for_device(struct device
*dev
,
135 dma_addr_t dma_handle
,
136 size_t size
, int direction
)
140 static inline void debug_dma_sync_single_range_for_cpu(struct device
*dev
,
141 dma_addr_t dma_handle
,
142 unsigned long offset
,
148 static inline void debug_dma_sync_single_range_for_device(struct device
*dev
,
149 dma_addr_t dma_handle
,
150 unsigned long offset
,
156 static inline void debug_dma_sync_sg_for_cpu(struct device
*dev
,
157 struct scatterlist
*sg
,
158 int nelems
, int direction
)
162 static inline void debug_dma_sync_sg_for_device(struct device
*dev
,
163 struct scatterlist
*sg
,
164 int nelems
, int direction
)
168 static inline void debug_dma_dump_mappings(struct device
*dev
)
172 #endif /* CONFIG_DMA_API_DEBUG */
174 #endif /* __DMA_DEBUG_H */