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| author | Joerg Roedel <joerg.roedel@amd.com> | 2009-01-09 16:55:38 +0300 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2009-03-05 22:35:21 +0300 |
| commit | 948408ba3e2a67ed0f95e18ed5be1c622c2c5fc3 (patch) | |
| tree | 16b13f15e34772e6c99a09b90ca5cfafaaa8f271 | |
| parent | b9d2317e0c4aed02afd20022083b2a485289605d (diff) | |
| download | linux-948408ba3e2a67ed0f95e18ed5be1c622c2c5fc3.tar.xz | |
dma-debug: add checks for sync_single_range_*
Impact: add debug callbacks for dma_sync_single_range_for_* functions
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| -rw-r--r-- | include/linux/dma-debug.h | 27 | ||||
| -rw-r--r-- | lib/dma-debug.c | 24 |
2 files changed, 51 insertions, 0 deletions
diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h index 0eee7af5143f..e9b903503adb 100644 --- a/include/linux/dma-debug.h +++ b/include/linux/dma-debug.h @@ -57,6 +57,17 @@ extern void debug_dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size, int direction); +extern void debug_dma_sync_single_range_for_cpu(struct device *dev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, + int direction); + +extern void debug_dma_sync_single_range_for_device(struct device *dev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, int direction); + #else /* CONFIG_DMA_API_DEBUG */ static inline void dma_debug_init(u32 num_entries) @@ -109,6 +120,22 @@ static inline void debug_dma_sync_single_for_device(struct device *dev, { } +static inline void debug_dma_sync_single_range_for_cpu(struct device *dev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, + int direction) +{ +} + +static inline void debug_dma_sync_single_range_for_device(struct device *dev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, + int direction) +{ +} + #endif /* CONFIG_DMA_API_DEBUG */ #endif /* __DMA_DEBUG_H */ diff --git a/lib/dma-debug.c b/lib/dma-debug.c index 714cfb6ca0e4..d1c0ac1831b7 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -758,3 +758,27 @@ void debug_dma_sync_single_for_device(struct device *dev, } EXPORT_SYMBOL(debug_dma_sync_single_for_device); +void debug_dma_sync_single_range_for_cpu(struct device *dev, + dma_addr_t dma_handle, + unsigned long offset, size_t size, + int direction) +{ + if (unlikely(global_disable)) + return; + + check_sync(dev, dma_handle, size, offset, direction, true); +} +EXPORT_SYMBOL(debug_dma_sync_single_range_for_cpu); + +void debug_dma_sync_single_range_for_device(struct device *dev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, int direction) +{ + if (unlikely(global_disable)) + return; + + check_sync(dev, dma_handle, size, offset, direction, false); +} +EXPORT_SYMBOL(debug_dma_sync_single_range_for_device); + |