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authorJoerg Roedel <joerg.roedel@amd.com>2009-01-09 14:55:38 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2009-03-05 20:35:21 +0100
commit948408ba3e2a67ed0f95e18ed5be1c622c2c5fc3 (patch)
tree16b13f15e34772e6c99a09b90ca5cfafaaa8f271
parentdma-debug: add checks for sync_single_* (diff)
downloadlinux-dev-948408ba3e2a67ed0f95e18ed5be1c622c2c5fc3.tar.xz
linux-dev-948408ba3e2a67ed0f95e18ed5be1c622c2c5fc3.zip
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.h27
-rw-r--r--lib/dma-debug.c24
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);
+