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-rw-r--r--include/linux/dmaengine.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index ce010cd991d..1012f1abcb5 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -78,6 +78,10 @@ enum dma_transaction_type {
* chains
* @DMA_COMPL_SKIP_SRC_UNMAP - set to disable dma-unmapping the source buffer(s)
* @DMA_COMPL_SKIP_DEST_UNMAP - set to disable dma-unmapping the destination(s)
+ * @DMA_COMPL_SRC_UNMAP_SINGLE - set to do the source dma-unmapping as single
+ * (if not set, do the source dma-unmapping as page)
+ * @DMA_COMPL_DEST_UNMAP_SINGLE - set to do the destination dma-unmapping as single
+ * (if not set, do the destination dma-unmapping as page)
* @DMA_PREP_PQ_DISABLE_P - prevent generation of P while generating Q
* @DMA_PREP_PQ_DISABLE_Q - prevent generation of Q while generating P
* @DMA_PREP_CONTINUE - indicate to a driver that it is reusing buffers as
@@ -89,9 +93,11 @@ enum dma_ctrl_flags {
DMA_CTRL_ACK = (1 << 1),
DMA_COMPL_SKIP_SRC_UNMAP = (1 << 2),
DMA_COMPL_SKIP_DEST_UNMAP = (1 << 3),
- DMA_PREP_PQ_DISABLE_P = (1 << 4),
- DMA_PREP_PQ_DISABLE_Q = (1 << 5),
- DMA_PREP_CONTINUE = (1 << 6),
+ DMA_COMPL_SRC_UNMAP_SINGLE = (1 << 4),
+ DMA_COMPL_DEST_UNMAP_SINGLE = (1 << 5),
+ DMA_PREP_PQ_DISABLE_P = (1 << 6),
+ DMA_PREP_PQ_DISABLE_Q = (1 << 7),
+ DMA_PREP_CONTINUE = (1 << 8),
};
/**