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authorJoerg Roedel <joerg.roedel@amd.com>2009-01-09 15:01:12 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2009-03-05 20:35:21 +0100
commita31fba5d68cebf8f5fefd03e079dab94875e25f5 (patch)
treee0483e4ba8912b6e8d7deb3d50bec5d47698460c /lib/dma-debug.c
parent948408ba3e2a67ed0f95e18ed5be1c622c2c5fc3 (diff)
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dma-debug: add checks for sync_single_sg_*
Impact: add debug callbacks for dma_sync_sg_* functions Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'lib/dma-debug.c')
-rw-r--r--lib/dma-debug.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index d1c0ac1831b..9d11e89c2ee 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -782,3 +782,35 @@ void debug_dma_sync_single_range_for_device(struct device *dev,
}
EXPORT_SYMBOL(debug_dma_sync_single_range_for_device);
+void debug_dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
+ int nelems, int direction)
+{
+ struct scatterlist *s;
+ int i;
+
+ if (unlikely(global_disable))
+ return;
+
+ for_each_sg(sg, s, nelems, i) {
+ check_sync(dev, s->dma_address, s->dma_length, 0,
+ direction, true);
+ }
+}
+EXPORT_SYMBOL(debug_dma_sync_sg_for_cpu);
+
+void debug_dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
+ int nelems, int direction)
+{
+ struct scatterlist *s;
+ int i;
+
+ if (unlikely(global_disable))
+ return;
+
+ for_each_sg(sg, s, nelems, i) {
+ check_sync(dev, s->dma_address, s->dma_length, 0,
+ direction, false);
+ }
+}
+EXPORT_SYMBOL(debug_dma_sync_sg_for_device);
+