diff --git a/drivers/infiniband/hw/hns/hns_roce_cq.c b/drivers/infiniband/hw/hns/hns_roce_cq.c
index fa17dbc..88cdf6f 100644
--- a/drivers/infiniband/hw/hns/hns_roce_cq.c
+++ b/drivers/infiniband/hw/hns/hns_roce_cq.c
@@ -351,8 +351,8 @@ struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev,
 		}
 
 		uar = &hr_dev->priv_uar;
-		hr_cq->cq_db_l = hr_dev->reg_base + ROCEE_DB_OTHERS_L_0_REG +
-				 0x1000 * uar->index;
+		hr_cq->cq_db_l = hr_dev->reg_base + hr_dev->odb_offset +
+				DB_REG_OFFSET * uar->index;
 	}
 
 	/* Allocate cq index, fill cq_context */
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index 22f2079..b45dba5 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -643,6 +643,8 @@ struct hns_roce_dev {
 
 	int			cmd_mod;
 	int			loop_idc;
+	u32			sdb_offset;
+	u32			odb_offset;
 	dma_addr_t		tptr_dma_addr; /*only for hw v1*/
 	u32			tptr_size; /*only for hw v1*/
 	const struct hns_roce_hw *hw;
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index 8ed0538..426f55a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -3221,7 +3221,7 @@ static int hns_roce_v1_m_qp(struct ib_qp *ibqp, const struct ib_qp_attr *attr,
 
 		if (ibqp->uobject) {
 			hr_qp->rq.db_reg_l = hr_dev->reg_base +
-				     ROCEE_DB_OTHERS_L_0_REG +
+				     hr_dev->odb_offset +
 				     DB_REG_OFFSET * hr_dev->priv_uar.index;
 		}
 
@@ -4084,6 +4084,8 @@ static int hns_roce_get_cfg(struct hns_roce_dev *hr_dev)
 	/* cmd issue mode: 0 is poll, 1 is event */
 	hr_dev->cmd_mod = 1;
 	hr_dev->loop_idc = 0;
+	hr_dev->sdb_offset = ROCEE_DB_SQ_L_0_REG;
+	hr_dev->odb_offset = ROCEE_DB_OTHERS_L_0_REG;
 
 	/* read the interrupt names from the DT or ACPI */
 	ret = device_property_read_string_array(dev, "interrupt-names",
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index f2425ee..b614177 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -43,6 +43,327 @@
 #include "hns_roce_hem.h"
 #include "hns_roce_hw_v2.h"
 
+static void set_data_seg_v2(struct hns_roce_v2_wqe_data_seg *dseg,
+			    struct ib_sge *sg)
+{
+	dseg->lkey = cpu_to_le32(sg->lkey);
+	dseg->addr = cpu_to_le64(sg->addr);
+	dseg->len  = cpu_to_le32(sg->length);
+}
+
+static int hns_roce_v2_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
+				 struct ib_send_wr **bad_wr)
+{
+	struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
+	struct hns_roce_v2_rc_send_wqe *rc_sq_wqe;
+	struct hns_roce_qp *qp = to_hr_qp(ibqp);
+	struct hns_roce_v2_wqe_data_seg *dseg;
+	struct device *dev = hr_dev->dev;
+	struct hns_roce_v2_db sq_db;
+	unsigned int sge_ind = 0;
+	unsigned int wqe_sz = 0;
+	unsigned long flags;
+	unsigned int ind;
+	void *wqe = NULL;
+	int ret = 0;
+	int nreq;
+	int i;
+
+	if (unlikely(ibqp->qp_type != IB_QPT_RC)) {
+		dev_err(dev, "Not supported QP(0x%x)type!\n", ibqp->qp_type);
+		*bad_wr = NULL;
+		return -EOPNOTSUPP;
+	}
+
+	if (unlikely(qp->state != IB_QPS_RTS && qp->state != IB_QPS_SQD)) {
+		dev_err(dev, "Post WQE fail, QP state %d err!\n", qp->state);
+		*bad_wr = wr;
+		return -EINVAL;
+	}
+
+	spin_lock_irqsave(&qp->sq.lock, flags);
+	ind = qp->sq_next_wqe;
+	sge_ind = qp->next_sge;
+
+	for (nreq = 0; wr; ++nreq, wr = wr->next) {
+		if (hns_roce_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq)) {
+			ret = -ENOMEM;
+			*bad_wr = wr;
+			goto out;
+		}
+
+		if (unlikely(wr->num_sge > qp->sq.max_gs)) {
+			dev_err(dev, "num_sge=%d > qp->sq.max_gs=%d\n",
+				wr->num_sge, qp->sq.max_gs);
+			ret = -EINVAL;
+			*bad_wr = wr;
+			goto out;
+		}
+
+		wqe = get_send_wqe(qp, ind & (qp->sq.wqe_cnt - 1));
+		qp->sq.wrid[(qp->sq.head + nreq) & (qp->sq.wqe_cnt - 1)] =
+								      wr->wr_id;
+
+
+		rc_sq_wqe = wqe;
+		memset(rc_sq_wqe, 0, sizeof(*rc_sq_wqe));
+		for (i = 0; i < wr->num_sge; i++)
+			rc_sq_wqe->msg_len += wr->sg_list[i].length;
+
+		rc_sq_wqe->inv_key_immtdata = send_ieth(wr);
+
+		switch (wr->opcode) {
+		case IB_WR_RDMA_READ:
+			roce_set_field(rc_sq_wqe->byte_4,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_S,
+				       HNS_ROCE_V2_WQE_OP_RDMA_READ);
+			rc_sq_wqe->rkey = cpu_to_le32(rdma_wr(wr)->rkey);
+			rc_sq_wqe->va = cpu_to_le64(rdma_wr(wr)->remote_addr);
+			break;
+		case IB_WR_RDMA_WRITE:
+			roce_set_field(rc_sq_wqe->byte_4,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_S,
+				       HNS_ROCE_V2_WQE_OP_RDMA_WRITE);
+			rc_sq_wqe->rkey = cpu_to_le32(rdma_wr(wr)->rkey);
+			rc_sq_wqe->va = cpu_to_le64(rdma_wr(wr)->remote_addr);
+			break;
+		case IB_WR_RDMA_WRITE_WITH_IMM:
+			roce_set_field(rc_sq_wqe->byte_4,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_S,
+				       HNS_ROCE_V2_WQE_OP_RDMA_WRITE_WITH_IMM);
+			rc_sq_wqe->rkey = cpu_to_le32(rdma_wr(wr)->rkey);
+			rc_sq_wqe->va = cpu_to_le64(rdma_wr(wr)->remote_addr);
+			break;
+		case IB_WR_SEND:
+			roce_set_field(rc_sq_wqe->byte_4,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_S,
+				       HNS_ROCE_V2_WQE_OP_SEND);
+			break;
+		case IB_WR_SEND_WITH_INV:
+			roce_set_field(rc_sq_wqe->byte_4,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_S,
+				       HNS_ROCE_V2_WQE_OP_SEND_WITH_INV);
+			break;
+		case IB_WR_SEND_WITH_IMM:
+			roce_set_field(rc_sq_wqe->byte_4,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_S,
+				       HNS_ROCE_V2_WQE_OP_SEND_WITH_IMM);
+			break;
+		case IB_WR_LOCAL_INV:
+			roce_set_field(rc_sq_wqe->byte_4,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_S,
+				       HNS_ROCE_V2_WQE_OP_LOCAL_INV);
+			break;
+		case IB_WR_ATOMIC_CMP_AND_SWP:
+			roce_set_field(rc_sq_wqe->byte_4,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_S,
+				       HNS_ROCE_V2_WQE_OP_ATOM_CMP_AND_SWAP);
+			break;
+		case IB_WR_ATOMIC_FETCH_AND_ADD:
+			roce_set_field(rc_sq_wqe->byte_4,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_S,
+				       HNS_ROCE_V2_WQE_OP_ATOM_FETCH_AND_ADD);
+			break;
+		case IB_WR_MASKED_ATOMIC_CMP_AND_SWP:
+			roce_set_field(rc_sq_wqe->byte_4,
+				      V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
+				      V2_RC_SEND_WQE_BYTE_4_OPCODE_S,
+				      HNS_ROCE_V2_WQE_OP_ATOM_MSK_CMP_AND_SWAP);
+			break;
+		case IB_WR_MASKED_ATOMIC_FETCH_AND_ADD:
+			roce_set_field(rc_sq_wqe->byte_4,
+				     V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
+				     V2_RC_SEND_WQE_BYTE_4_OPCODE_S,
+				     HNS_ROCE_V2_WQE_OP_ATOM_MSK_FETCH_AND_ADD);
+			break;
+		default:
+			roce_set_field(rc_sq_wqe->byte_4,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
+				       V2_RC_SEND_WQE_BYTE_4_OPCODE_S,
+				       HNS_ROCE_V2_WQE_OP_MASK);
+			break;
+		}
+
+		roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_CQE_S, 1);
+
+		wqe += sizeof(struct hns_roce_v2_rc_send_wqe);
+		dseg = wqe;
+		if (wr->send_flags & IB_SEND_INLINE && wr->num_sge) {
+			if (rc_sq_wqe->msg_len >
+				hr_dev->caps.max_sq_inline) {
+				ret = -EINVAL;
+				*bad_wr = wr;
+				dev_err(dev, "inline len(1-%d)=%d, illegal",
+					rc_sq_wqe->msg_len,
+					hr_dev->caps.max_sq_inline);
+				goto out;
+			}
+
+			for (i = 0; i < wr->num_sge; i++) {
+				memcpy(wqe, ((void *)wr->sg_list[i].addr),
+				       wr->sg_list[i].length);
+				wqe += wr->sg_list[i].length;
+				wqe_sz += wr->sg_list[i].length;
+			}
+
+			roce_set_bit(rc_sq_wqe->byte_4,
+				     V2_RC_SEND_WQE_BYTE_4_INLINE_S, 1);
+		} else {
+			if (wr->num_sge <= 2) {
+				for (i = 0; i < wr->num_sge; i++)
+					set_data_seg_v2(dseg + i,
+							wr->sg_list + i);
+			} else {
+				roce_set_field(rc_sq_wqe->byte_20,
+				V2_RC_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_M,
+				V2_RC_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_S,
+				sge_ind & (qp->sge.sge_cnt - 1));
+
+				for (i = 0; i < 2; i++)
+					set_data_seg_v2(dseg + i,
+							wr->sg_list + i);
+
+				dseg = get_send_extend_sge(qp,
+					sge_ind & (qp->sge.sge_cnt - 1));
+
+				for (i = 0; i < wr->num_sge - 2; i++) {
+					set_data_seg_v2(dseg + i,
+							wr->sg_list + 2 + i);
+					sge_ind++;
+				}
+			}
+
+			roce_set_field(rc_sq_wqe->byte_16,
+				       V2_RC_SEND_WQE_BYTE_16_SGE_NUM_M,
+				       V2_RC_SEND_WQE_BYTE_16_SGE_NUM_S,
+				       wr->num_sge);
+			wqe_sz += wr->num_sge *
+				  sizeof(struct hns_roce_v2_wqe_data_seg);
+		}
+		ind++;
+	}
+
+out:
+	if (likely(nreq)) {
+		qp->sq.head += nreq;
+		/* Memory barrier */
+		wmb();
+
+		sq_db.byte_4 = 0;
+		sq_db.parameter = 0;
+
+		roce_set_field(sq_db.byte_4, V2_DB_BYTE_4_TAG_M,
+			       V2_DB_BYTE_4_TAG_S, qp->doorbell_qpn);
+		roce_set_field(sq_db.byte_4, V2_DB_BYTE_4_CMD_M,
+			       V2_DB_BYTE_4_CMD_S, HNS_ROCE_V2_SQ_DB);
+		roce_set_field(sq_db.parameter, V2_DB_PARAMETER_CONS_IDX_M,
+			       V2_DB_PARAMETER_CONS_IDX_S,
+			       qp->sq.head & ((qp->sq.wqe_cnt << 1) - 1));
+		roce_set_field(sq_db.parameter, V2_DB_PARAMETER_SL_M,
+			       V2_DB_PARAMETER_SL_S, qp->sl);
+
+		hns_roce_write64_k((__be32 *)&sq_db, qp->sq.db_reg_l);
+
+		qp->sq_next_wqe = ind;
+		qp->next_sge = sge_ind;
+	}
+
+	spin_unlock_irqrestore(&qp->sq.lock, flags);
+
+	return ret;
+}
+
+static int hns_roce_v2_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
+				 struct ib_recv_wr **bad_wr)
+{
+	struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
+	struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
+	struct hns_roce_v2_wqe_data_seg *dseg;
+	struct device *dev = hr_dev->dev;
+	struct hns_roce_v2_db rq_db;
+	unsigned long flags;
+	void *wqe = NULL;
+	int ret = 0;
+	int nreq;
+	int ind;
+	int i;
+
+	spin_lock_irqsave(&hr_qp->rq.lock, flags);
+	ind = hr_qp->rq.head & (hr_qp->rq.wqe_cnt - 1);
+
+	if (hr_qp->state == IB_QPS_RESET || hr_qp->state == IB_QPS_ERR) {
+		spin_unlock_irqrestore(&hr_qp->rq.lock, flags);
+		*bad_wr = wr;
+		return -EINVAL;
+	}
+
+	for (nreq = 0; wr; ++nreq, wr = wr->next) {
+		if (hns_roce_wq_overflow(&hr_qp->rq, nreq,
+			hr_qp->ibqp.recv_cq)) {
+			ret = -ENOMEM;
+			*bad_wr = wr;
+			goto out;
+		}
+
+		if (unlikely(wr->num_sge > hr_qp->rq.max_gs)) {
+			dev_err(dev, "rq:num_sge=%d > qp->sq.max_gs=%d\n",
+				wr->num_sge, hr_qp->rq.max_gs);
+			ret = -EINVAL;
+			*bad_wr = wr;
+			goto out;
+		}
+
+		wqe = get_recv_wqe(hr_qp, ind);
+		dseg = (struct hns_roce_v2_wqe_data_seg *)wqe;
+		for (i = 0; i < wr->num_sge; i++) {
+			if (!wr->sg_list[i].length)
+				continue;
+			set_data_seg_v2(dseg, wr->sg_list + i);
+			dseg++;
+		}
+
+		if (i < hr_qp->rq.max_gs) {
+			dseg[i].lkey = cpu_to_be32(HNS_ROCE_INVALID_LKEY);
+			dseg[i].addr = 0;
+		}
+
+		hr_qp->rq.wrid[ind] = wr->wr_id;
+
+		ind = (ind + 1) & (hr_qp->rq.wqe_cnt - 1);
+	}
+
+out:
+	if (likely(nreq)) {
+		hr_qp->rq.head += nreq;
+		/* Memory barrier */
+		wmb();
+
+		rq_db.byte_4 = 0;
+		rq_db.parameter = 0;
+
+		roce_set_field(rq_db.byte_4, V2_DB_BYTE_4_TAG_M,
+			       V2_DB_BYTE_4_TAG_S, hr_qp->qpn);
+		roce_set_field(rq_db.byte_4, V2_DB_BYTE_4_CMD_M,
+			       V2_DB_BYTE_4_CMD_S, HNS_ROCE_V2_RQ_DB);
+		roce_set_field(rq_db.parameter, V2_DB_PARAMETER_CONS_IDX_M,
+			       V2_DB_PARAMETER_CONS_IDX_S, hr_qp->rq.head);
+
+		hns_roce_write64_k((__be32 *)&rq_db, hr_qp->rq.db_reg_l);
+	}
+	spin_unlock_irqrestore(&hr_qp->rq.lock, flags);
+
+	return ret;
+}
+
 static int hns_roce_cmq_space(struct hns_roce_v2_cmq_ring *ring)
 {
 	int ntu = ring->next_to_use;
@@ -2588,6 +2909,8 @@ static int hns_roce_v2_destroy_qp(struct ib_qp *ibqp)
 	.modify_qp = hns_roce_v2_modify_qp,
 	.query_qp = hns_roce_v2_query_qp,
 	.destroy_qp = hns_roce_v2_destroy_qp,
+	.post_send = hns_roce_v2_post_send,
+	.post_recv = hns_roce_v2_post_recv,
 	.req_notify_cq = hns_roce_v2_req_notify_cq,
 	.poll_cq = hns_roce_v2_poll_cq,
 };
@@ -2612,6 +2935,8 @@ static int hns_roce_hw_v2_get_cfg(struct hns_roce_dev *hr_dev,
 	}
 
 	hr_dev->hw = &hns_roce_hw_v2;
+	hr_dev->sdb_offset = ROCEE_DB_SQ_L_0_REG;
+	hr_dev->odb_offset = hr_dev->sdb_offset;
 
 	/* Get info from NIC driver. */
 	hr_dev->reg_base = handle->rinfo.roce_io_base;
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
index 0360df0..6172146 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
@@ -70,6 +70,7 @@
 #define HNS_ROCE_V2_CQE_ENTRY_SIZE		32
 #define HNS_ROCE_V2_PAGE_SIZE_SUPPORTED		0xFFFFF000
 #define HNS_ROCE_V2_MAX_INNER_MTPT_NUM		2
+#define HNS_ROCE_INVALID_LKEY			0x100
 #define HNS_ROCE_CMQ_TX_TIMEOUT			200
 
 #define HNS_ROCE_CONTEXT_HOP_NUM		1
@@ -111,6 +112,23 @@
 #define HNS_ROCE_V2_CQE_QPN_MASK		0x3ffff
 
 enum {
+	HNS_ROCE_V2_WQE_OP_SEND				= 0x0,
+	HNS_ROCE_V2_WQE_OP_SEND_WITH_INV		= 0x1,
+	HNS_ROCE_V2_WQE_OP_SEND_WITH_IMM		= 0x2,
+	HNS_ROCE_V2_WQE_OP_RDMA_WRITE			= 0x3,
+	HNS_ROCE_V2_WQE_OP_RDMA_WRITE_WITH_IMM		= 0x4,
+	HNS_ROCE_V2_WQE_OP_RDMA_READ			= 0x5,
+	HNS_ROCE_V2_WQE_OP_ATOM_CMP_AND_SWAP		= 0x6,
+	HNS_ROCE_V2_WQE_OP_ATOM_FETCH_AND_ADD		= 0x7,
+	HNS_ROCE_V2_WQE_OP_ATOM_MSK_CMP_AND_SWAP	= 0x8,
+	HNS_ROCE_V2_WQE_OP_ATOM_MSK_FETCH_AND_ADD	= 0x9,
+	HNS_ROCE_V2_WQE_OP_FAST_REG_PMR			= 0xa,
+	HNS_ROCE_V2_WQE_OP_LOCAL_INV			= 0xb,
+	HNS_ROCE_V2_WQE_OP_BIND_MW_TYPE			= 0xc,
+	HNS_ROCE_V2_WQE_OP_MASK				= 0x1f,
+};
+
+enum {
 	HNS_ROCE_SQ_OPCODE_SEND = 0x0,
 	HNS_ROCE_SQ_OPCODE_SEND_WITH_INV = 0x1,
 	HNS_ROCE_SQ_OPCODE_SEND_WITH_IMM = 0x2,
@@ -135,6 +153,9 @@ enum {
 };
 
 enum {
+	HNS_ROCE_V2_SQ_DB	= 0x0,
+	HNS_ROCE_V2_RQ_DB	= 0x1,
+	HNS_ROCE_V2_SRQ_DB	= 0x2,
 	HNS_ROCE_V2_CQ_DB_PTR	= 0x3,
 	HNS_ROCE_V2_CQ_DB_NTR	= 0x4,
 };
@@ -775,6 +796,12 @@ struct hns_roce_v2_cqe {
 #define	V2_DB_BYTE_4_CMD_S 24
 #define V2_DB_BYTE_4_CMD_M GENMASK(27, 24)
 
+#define V2_DB_PARAMETER_CONS_IDX_S 0
+#define V2_DB_PARAMETER_CONS_IDX_M GENMASK(15, 0)
+
+#define V2_DB_PARAMETER_SL_S 16
+#define V2_DB_PARAMETER_SL_M GENMASK(18, 16)
+
 struct hns_roce_v2_cq_db {
 	u32	byte_4;
 	u32	parameter;
@@ -794,6 +821,51 @@ struct hns_roce_v2_cq_db {
 
 #define V2_CQ_DB_PARAMETER_NOTIFY_S 24
 
+struct hns_roce_v2_rc_send_wqe {
+	u32		byte_4;
+	u32		msg_len;
+	u32		inv_key_immtdata;
+	u32		byte_16;
+	u32		byte_20;
+	u32		rkey;
+	u64		va;
+};
+
+#define	V2_RC_SEND_WQE_BYTE_4_OPCODE_S 0
+#define V2_RC_SEND_WQE_BYTE_4_OPCODE_M GENMASK(4, 0)
+
+#define V2_RC_SEND_WQE_BYTE_4_OWNER_S 7
+
+#define V2_RC_SEND_WQE_BYTE_4_CQE_S 8
+
+#define V2_RC_SEND_WQE_BYTE_4_FENCE_S 9
+
+#define V2_RC_SEND_WQE_BYTE_4_SO_S 10
+
+#define V2_RC_SEND_WQE_BYTE_4_SE_S 11
+
+#define V2_RC_SEND_WQE_BYTE_4_INLINE_S 12
+
+#define	V2_RC_SEND_WQE_BYTE_16_XRC_SRQN_S 0
+#define V2_RC_SEND_WQE_BYTE_16_XRC_SRQN_M GENMASK(23, 0)
+
+#define	V2_RC_SEND_WQE_BYTE_16_SGE_NUM_S 24
+#define V2_RC_SEND_WQE_BYTE_16_SGE_NUM_M GENMASK(31, 24)
+
+#define V2_RC_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_S 0
+#define V2_RC_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_M GENMASK(23, 0)
+
+struct hns_roce_v2_wqe_data_seg {
+	__be32    len;
+	__be32    lkey;
+	__be64    addr;
+};
+
+struct hns_roce_v2_db {
+	u32	byte_4;
+	u32	parameter;
+};
+
 struct hns_roce_query_version {
 	__le16 rocee_vendor_id;
 	__le16 rocee_hw_version;
diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index c04aa81..e6d1115 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -549,10 +549,9 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev,
 		}
 
 		/* QP doorbell register address */
-		hr_qp->sq.db_reg_l = hr_dev->reg_base + ROCEE_DB_SQ_L_0_REG +
+		hr_qp->sq.db_reg_l = hr_dev->reg_base + hr_dev->sdb_offset +
 				     DB_REG_OFFSET * hr_dev->priv_uar.index;
-		hr_qp->rq.db_reg_l = hr_dev->reg_base +
-				     ROCEE_DB_OTHERS_L_0_REG +
+		hr_qp->rq.db_reg_l = hr_dev->reg_base + hr_dev->odb_offset +
 				     DB_REG_OFFSET * hr_dev->priv_uar.index;
 
 		/* Allocate QP buf */
