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 0eee7af..e9b9035 100644 (file)
--- 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 714cfb6..d1c0ac1 100644 (file)
--- 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);
+