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| author | Joerg Roedel <joerg.roedel@amd.com> | 2009-01-09 14:19:54 +0100 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2009-03-05 20:35:18 +0100 |
| commit | 972aa45ceaf65376f33aa75958fcaefc9e752fa4 (patch) | |
| tree | ffed83c13c7c0e27f39efe0c0cc81f2c9e6c72c6 /include/linux/dma-debug.h | |
| parent | f62bc980e6fd26434012c0d5676ecb17179d9ee4 (diff) | |
| download | lwn-972aa45ceaf65376f33aa75958fcaefc9e752fa4.tar.gz lwn-972aa45ceaf65376f33aa75958fcaefc9e752fa4.zip | |
dma-debug: add add checking for map/unmap_sg
Impact: add debug callbacks for dma_{un}map_sg
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 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h index 65f73526ba2c..ee9fdb328549 100644 --- a/include/linux/dma-debug.h +++ b/include/linux/dma-debug.h @@ -23,6 +23,7 @@ #include <linux/types.h> struct device; +struct scatterlist; #ifdef CONFIG_DMA_API_DEBUG @@ -36,6 +37,11 @@ extern void debug_dma_map_page(struct device *dev, struct page *page, extern void debug_dma_unmap_page(struct device *dev, dma_addr_t addr, size_t size, int direction, bool map_single); +extern void debug_dma_map_sg(struct device *dev, struct scatterlist *sg, + int nents, int mapped_ents, int direction); + +extern void debug_dma_unmap_sg(struct device *dev, struct scatterlist *sglist, + int nelems, int dir); #else /* CONFIG_DMA_API_DEBUG */ @@ -56,6 +62,16 @@ static inline void debug_dma_unmap_page(struct device *dev, dma_addr_t addr, { } +static inline void debug_dma_map_sg(struct device *dev, struct scatterlist *sg, + int nents, int mapped_ents, int direction) +{ +} + +static inline void debug_dma_unmap_sg(struct device *dev, + struct scatterlist *sglist, + int nelems, int dir) +{ +} #endif /* CONFIG_DMA_API_DEBUG */ |