From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 9 Jan 2009 13:55:38 +0000 (+0100)
Subject: dma-debug: add checks for sync_single_range_*
X-Git-Tag: v2.6.30-rc1~614^2~4^2~8
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=948408ba3e2a67ed0f95e18ed5be1c622c2c5fc3;p=thirdparty%2Fkernel%2Flinux.git

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>
---

diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h
index 0eee7af5143fa..e9b903503adb1 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 714cfb6ca0e43..d1c0ac1831b70 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);
+