IB/mlx4: Add support for masked atomic operations
Add support for masked atomic operations (masked compare and swap,
masked fetch and add).
Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index cc2ddd2..5a219a2 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -661,6 +661,14 @@
wc->opcode = IB_WC_FETCH_ADD;
wc->byte_len = 8;
break;
+ case MLX4_OPCODE_MASKED_ATOMIC_CS:
+ wc->opcode = IB_WC_MASKED_COMP_SWAP;
+ wc->byte_len = 8;
+ break;
+ case MLX4_OPCODE_MASKED_ATOMIC_FA:
+ wc->opcode = IB_WC_MASKED_FETCH_ADD;
+ wc->byte_len = 8;
+ break;
case MLX4_OPCODE_BIND_MW:
wc->opcode = IB_WC_BIND_MW;
break;