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>
28 #ifdef CONFIG_DMA_API_DEBUG
30 extern void dma_debug_init(u32 num_entries);
32 extern void debug_dma_map_page(struct device *dev, struct page *page,
33 size_t offset, size_t size,
34 int direction, dma_addr_t dma_addr,
37 extern void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,
38 size_t size, int direction, bool map_single);
40 extern void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
41 int nents, int mapped_ents, int direction);
43 extern void debug_dma_unmap_sg(struct device *dev, struct scatterlist *sglist,
46 extern void debug_dma_alloc_coherent(struct device *dev, size_t size,
47 dma_addr_t dma_addr, void *virt);
49 extern void debug_dma_free_coherent(struct device *dev, size_t size,
50 void *virt, dma_addr_t addr);
52 extern void debug_dma_sync_single_for_cpu(struct device *dev,
53 dma_addr_t dma_handle, size_t size,
56 extern void debug_dma_sync_single_for_device(struct device *dev,
57 dma_addr_t dma_handle,
58 size_t size, int direction);
60 #else /* CONFIG_DMA_API_DEBUG */
62 static inline void dma_debug_init(u32 num_entries)
66 static inline void debug_dma_map_page(struct device *dev, struct page *page,
67 size_t offset, size_t size,
68 int direction, dma_addr_t dma_addr,
73 static inline void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,
74 size_t size, int direction,
79 static inline void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
80 int nents, int mapped_ents, int direction)
84 static inline void debug_dma_unmap_sg(struct device *dev,
85 struct scatterlist *sglist,
90 static inline void debug_dma_alloc_coherent(struct device *dev, size_t size,
91 dma_addr_t dma_addr, void *virt)
95 static inline void debug_dma_free_coherent(struct device *dev, size_t size,
96 void *virt, dma_addr_t addr)
100 static inline void debug_dma_sync_single_for_cpu(struct device *dev,
101 dma_addr_t dma_handle,
102 size_t size, int direction)
106 static inline void debug_dma_sync_single_for_device(struct device *dev,
107 dma_addr_t dma_handle,
108 size_t size, int direction)
112 #endif /* CONFIG_DMA_API_DEBUG */
114 #endif /* __DMA_DEBUG_H */