X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;ds=inline;f=include%2Flinux%2Fasync_tx.h;h=388574ea38ed9d4aa1d644442672ad883feaaef3;hb=584acdd49cd2472ca0f5a06adbe979db82d0b4af;hp=179b38ffd351323c89c91e90f5ef370e04ebddc7;hpb=b409624ad5a99c2e84df6657bd0f7931ac470d2d;p=firefly-linux-kernel-4.4.55.git

diff --git a/include/linux/async_tx.h b/include/linux/async_tx.h
index 179b38ffd351..388574ea38ed 100644
--- a/include/linux/async_tx.h
+++ b/include/linux/async_tx.h
@@ -60,12 +60,15 @@ struct dma_chan_ref {
  * dependency chain
  * @ASYNC_TX_FENCE: specify that the next operation in the dependency
  * chain uses this operation's result as an input
+ * @ASYNC_TX_PQ_XOR_DST: do not overwrite the syndrome but XOR it with the
+ * input data. Required for rmw case.
  */
 enum async_tx_flags {
 	ASYNC_TX_XOR_ZERO_DST	 = (1 << 0),
 	ASYNC_TX_XOR_DROP_DST	 = (1 << 1),
 	ASYNC_TX_ACK		 = (1 << 2),
 	ASYNC_TX_FENCE		 = (1 << 3),
+	ASYNC_TX_PQ_XOR_DST	 = (1 << 4),
 };
 
 /**