@@ -46,6 +46,14 @@ extern void debug_alloc_coherent(struct device *dev, size_t size,
extern void debug_free_coherent(struct device *dev, size_t size,
void *virt, dma_addr_t addr);
+extern void debug_sync_single_for_cpu(struct device *dev,
+ dma_addr_t dma_handle, size_t size,
+ int direction);
+
+extern void debug_sync_single_for_device(struct device *dev,
+ dma_addr_t dma_handle,
+ size_t size, int direction);
+
#else /* CONFIG_DMA_API_DEBUG */
static inline void dma_debug_init(u32 num_entries)
@@ -84,6 +92,18 @@ static inline void debug_free_coherent(struct device *dev, size_t size,
{
}
+static inline void debug_sync_single_for_cpu(struct device *dev,
+ dma_addr_t dma_handle,
+ size_t size, int direction)
+{
+}
+
+static inline void debug_sync_single_for_device(struct device *dev,
+ dma_addr_t dma_handle,
+ size_t size, int direction)
+{
+}
+
#endif /* CONFIG_DMA_API_DEBUG */
#endif /* __DMA_DEBUG_H */
@@ -649,3 +649,23 @@ void debug_free_coherent(struct device *dev, size_t size,
}
EXPORT_SYMBOL(debug_free_coherent);
+void debug_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
+ size_t size, int direction)
+{
+ if (global_disable)
+ return;
+
+ check_sync(dev, dma_handle, size, 0, direction, true);
+}
+EXPORT_SYMBOL(debug_sync_single_for_cpu);
+
+void debug_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
+ size_t size, int direction)
+{
+ if (global_disable)
+ return;
+
+ check_sync(dev, dma_handle, size, 0, direction, false);
+}
+EXPORT_SYMBOL(debug_sync_single_for_device);
+
Impact: add debug callbacks for dma_sync_single_for_* functions Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> --- include/linux/dma-debug.h | 20 ++++++++++++++++++++ lib/dma-debug.c | 20 ++++++++++++++++++++ 2 files changed, 40 insertions(+), 0 deletions(-)