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authorJoerg Roedel <joerg.roedel@amd.com>2009-01-09 14:14:49 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2009-03-05 20:35:18 +0100
commitf62bc980e6fd26434012c0d5676ecb17179d9ee4 (patch)
tree515d946a1739eb9a6bbcce215d8be62ae5695b09 /include/linux/dma-debug.h
parent2d62ece14fe04168a7d16688ddd2d17ac472268c (diff)
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.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h
index 345d5387a30..65f73526ba2 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 */