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| author | Joerg Roedel <joerg.roedel@amd.com> | 2009-01-09 14:14:49 +0100 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2009-03-05 20:35:18 +0100 |
| commit | f62bc980e6fd26434012c0d5676ecb17179d9ee4 (patch) | |
| tree | 515d946a1739eb9a6bbcce215d8be62ae5695b09 /include/linux/dma-debug.h | |
| parent | 2d62ece14fe04168a7d16688ddd2d17ac472268c (diff) | |
| download | lwn-f62bc980e6fd26434012c0d5676ecb17179d9ee4.tar.gz lwn-f62bc980e6fd26434012c0d5676ecb17179d9ee4.zip | |
dma-debug: add checking for map/unmap_page/single
Impact: add debug callbacks for dma_{un}map_[page|single]
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'include/linux/dma-debug.h')
| -rw-r--r-- | include/linux/dma-debug.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h index 345d5387a30d..65f73526ba2c 100644 --- a/include/linux/dma-debug.h +++ b/include/linux/dma-debug.h @@ -28,12 +28,35 @@ struct device; extern void dma_debug_init(u32 num_entries); +extern void debug_dma_map_page(struct device *dev, struct page *page, + size_t offset, size_t size, + int direction, dma_addr_t dma_addr, + bool map_single); + +extern void debug_dma_unmap_page(struct device *dev, dma_addr_t addr, + size_t size, int direction, bool map_single); + + #else /* CONFIG_DMA_API_DEBUG */ static inline void dma_debug_init(u32 num_entries) { } +static inline void debug_dma_map_page(struct device *dev, struct page *page, + size_t offset, size_t size, + int direction, dma_addr_t dma_addr, + bool map_single) +{ +} + +static inline void debug_dma_unmap_page(struct device *dev, dma_addr_t addr, + size_t size, int direction, + bool map_single) +{ +} + + #endif /* CONFIG_DMA_API_DEBUG */ #endif /* __DMA_DEBUG_H */ |