@@ -122,10 +122,18 @@ enum dma_transfer_direction {
* chunk and before first src/dst address for next chunk.
* Ignored for dst(assumed 0), if dst_inc is true and dst_sgl is false.
* Ignored for src(assumed 0), if src_inc is true and src_sgl is false.
+ * @dst_icg: Number of bytes to jump after last dst address of this
+ * chunk and before the first dst address for next chunk.
+ * Ignored if dst_inc is true and dst_sgl is false.
+ * @src_icg: Number of bytes to jump after last src address of this
+ * chunk and before the first src address for next chunk.
+ * Ignored if src_inc is true and src_sgl is false.
*/
struct data_chunk {
size_t size;
size_t icg;
+ size_t dst_icg;
+ size_t src_icg;
};
/**
In interleaved mode, we can expect to have different source and destination strides. Add support for such case to dmaengine. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> --- include/linux/dmaengine.h | 8 ++++++++ 1 file changed, 8 insertions(+)