diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index cc95a9c270ae..a646ba6487d2 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -791,15 +791,33 @@ static int c4iw_poll_cq_one(struct c4iw_cq *chp, struct ib_wc *wc)
 			wc->byte_len = CQE_LEN(&cqe);
 		else
 			wc->byte_len = 0;
-		wc->opcode = IB_WC_RECV;
-		if (CQE_OPCODE(&cqe) == FW_RI_SEND_WITH_INV ||
-		    CQE_OPCODE(&cqe) == FW_RI_SEND_WITH_SE_INV) {
+
+		switch (CQE_OPCODE(&cqe)) {
+		case FW_RI_SEND:
+			wc->opcode = IB_WC_RECV;
+			break;
+		case FW_RI_SEND_WITH_INV:
+		case FW_RI_SEND_WITH_SE_INV:
+			wc->opcode = IB_WC_RECV;
 			wc->ex.invalidate_rkey = CQE_WRID_STAG(&cqe);
 			wc->wc_flags |= IB_WC_WITH_INVALIDATE;
 			c4iw_invalidate_mr(qhp->rhp, wc->ex.invalidate_rkey);
+			break;
+		case FW_RI_WRITE_IMMEDIATE:
+			wc->opcode = IB_WC_RECV_RDMA_WITH_IMM;
+			wc->ex.imm_data = CQE_IMM_DATA(&cqe);
+			wc->wc_flags |= IB_WC_WITH_IMM;
+			break;
+		default:
+			pr_err("Unexpected opcode %d "
+			       "in the CQE received for QPID=0x%0x\n",
+			       CQE_OPCODE(&cqe), CQE_QPID(&cqe));
+			ret = -EINVAL;
+			goto out;
 		}
 	} else {
 		switch (CQE_OPCODE(&cqe)) {
+		case FW_RI_WRITE_IMMEDIATE:
 		case FW_RI_RDMA_WRITE:
 			wc->opcode = IB_WC_RDMA_WRITE;
 			break;
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 42defb81b23d..adb6dd10d7b8 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -556,7 +556,10 @@ static int build_rdma_write(struct t4_sq *sq, union t4_wr *wqe,
 
 	if (wr->num_sge > T4_MAX_SEND_SGE)
 		return -EINVAL;
-	wqe->write.r2 = 0;
+	if (wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM)
+		wqe->write.immd_data = wr->ex.imm_data;
+	else
+		wqe->write.immd_data = 0;
 	wqe->write.stag_sink = cpu_to_be32(rdma_wr(wr)->rkey);
 	wqe->write.to_sink = cpu_to_be64(rdma_wr(wr)->remote_addr);
 	if (wr->num_sge) {
@@ -847,6 +850,9 @@ static int ib_to_fw_opcode(int ib_opcode)
 	case IB_WR_RDMA_WRITE:
 		opcode = FW_RI_RDMA_WRITE;
 		break;
+	case IB_WR_RDMA_WRITE_WITH_IMM:
+		opcode = FW_RI_WRITE_IMMEDIATE;
+		break;
 	case IB_WR_RDMA_READ:
 	case IB_WR_RDMA_READ_WITH_INV:
 		opcode = FW_RI_READ_REQ;
@@ -1016,6 +1022,13 @@ int c4iw_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 				swsqe->opcode = FW_RI_SEND_WITH_INV;
 			err = build_rdma_send(&qhp->wq.sq, wqe, wr, &len16);
 			break;
+		case IB_WR_RDMA_WRITE_WITH_IMM:
+			if (unlikely(!qhp->rhp->rdev.lldi.write_w_imm_support)) {
+				err = -ENOSYS;
+				break;
+			}
+			fw_flags |= FW_RI_RDMA_WRITE_WITH_IMMEDIATE;
+			/*FALLTHROUGH*/
 		case IB_WR_RDMA_WRITE:
 			fw_opcode = FW_RI_RDMA_WRITE_WR;
 			swsqe->opcode = FW_RI_RDMA_WRITE;
@@ -2095,6 +2108,8 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs,
 			uresp.flags = C4IW_QPF_ONCHIP;
 		} else
 			uresp.flags = 0;
+		if (rhp->rdev.lldi.write_w_imm_support)
+			uresp.flags |= C4IW_QPF_WRITE_W_IMM;
 		uresp.qid_mask = rhp->rdev.qpmask;
 		uresp.sqid = qhp->wq.sq.qid;
 		uresp.sq_size = qhp->wq.sq.size;
diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h
index e62fb7d164ee..5fff9a685ca8 100644
--- a/drivers/infiniband/hw/cxgb4/t4.h
+++ b/drivers/infiniband/hw/cxgb4/t4.h
@@ -190,6 +190,11 @@ struct t4_cqe {
 			__be32 abs_rqe_idx;
 		} srcqe;
 		u64 drain_cookie;
+		struct {
+			__be32 mo;
+			__be32 msn;
+			__u64 imm_data;
+		} imm_data_rcqe;
 	} u;
 	__be64 reserved[4];
 	__be64 bits_type_ts;
@@ -248,6 +253,7 @@ struct t4_cqe {
 #define CQE_WRID_STAG(x)  (be32_to_cpu((x)->u.rcqe.stag))
 #define CQE_WRID_MSN(x)   (be32_to_cpu((x)->u.rcqe.msn))
 #define CQE_ABS_RQE_IDX(x) (be32_to_cpu((x)->u.srcqe.abs_rqe_idx))
+#define CQE_IMM_DATA(x)   ((x)->u.imm_data_rcqe.imm_data)
 
 /* used for SQ completion processing */
 #define CQE_WRID_SQ_IDX(x)	((x)->u.scqe.cidx)
diff --git a/drivers/infiniband/hw/cxgb4/t4fw_ri_api.h b/drivers/infiniband/hw/cxgb4/t4fw_ri_api.h
index 0f4f86b004d6..48c187690921 100644
--- a/drivers/infiniband/hw/cxgb4/t4fw_ri_api.h
+++ b/drivers/infiniband/hw/cxgb4/t4fw_ri_api.h
@@ -50,7 +50,8 @@ enum fw_ri_wr_opcode {
 	FW_RI_BYPASS			= 0xd,
 	FW_RI_RECEIVE			= 0xe,
 
-	FW_RI_SGE_EC_CR_RETURN		= 0xf
+	FW_RI_SGE_EC_CR_RETURN		= 0xf,
+	FW_RI_WRITE_IMMEDIATE           = FW_RI_RDMA_INIT
 };
 
 enum fw_ri_wr_flags {
@@ -59,7 +60,8 @@ enum fw_ri_wr_flags {
 	FW_RI_SOLICITED_EVENT_FLAG	= 0x04,
 	FW_RI_READ_FENCE_FLAG		= 0x08,
 	FW_RI_LOCAL_FENCE_FLAG		= 0x10,
-	FW_RI_RDMA_READ_INVALIDATE	= 0x20
+	FW_RI_RDMA_READ_INVALIDATE	= 0x20,
+	FW_RI_RDMA_WRITE_WITH_IMMEDIATE = 0x40
 };
 
 enum fw_ri_mpa_attrs {
@@ -546,7 +548,7 @@ struct fw_ri_rdma_write_wr {
 	__u16  wrid;
 	__u8   r1[3];
 	__u8   len16;
-	__be64 r2;
+	__u64  immd_data;
 	__be32 plen;
 	__be32 stag_sink;
 	__be64 to_sink;
diff --git a/include/uapi/rdma/cxgb4-abi.h b/include/uapi/rdma/cxgb4-abi.h
index 7b1aa3f3fae3..8b81736c7be2 100644
--- a/include/uapi/rdma/cxgb4-abi.h
+++ b/include/uapi/rdma/cxgb4-abi.h
@@ -65,7 +65,8 @@ struct c4iw_create_cq_resp {
 };
 
 enum {
-	C4IW_QPF_ONCHIP = (1 << 0)
+	C4IW_QPF_ONCHIP 	= (1<<0),
+	C4IW_QPF_WRITE_W_IMM    = (1<<1)
 };
 
 struct c4iw_create_qp_resp {
