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>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index cc2ddd29ac57..5a219a2fdf16 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -661,6 +661,14 @@ repoll:
                         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;