diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index 2d5f9c35bfdc..08c1725f371a 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -884,7 +884,7 @@ static int bnxt_re_init_user_qp(struct bnxt_re_dev *rdev, struct bnxt_re_pd *pd,
 	struct bnxt_re_qp_req ureq;
 	struct bnxt_qplib_qp *qplib_qp = &qp->qplib_qp;
 	struct ib_umem *umem;
-	int bytes = 0;
+	int bytes = 0, psn_sz;
 	struct ib_ucontext *context = pd->ib_pd.uobject->context;
 	struct bnxt_re_ucontext *cntx = container_of(context,
 						     struct bnxt_re_ucontext,
@@ -894,8 +894,12 @@ static int bnxt_re_init_user_qp(struct bnxt_re_dev *rdev, struct bnxt_re_pd *pd,
 
 	bytes = (qplib_qp->sq.max_wqe * BNXT_QPLIB_MAX_SQE_ENTRY_SIZE);
 	/* Consider mapping PSN search memory only for RC QPs. */
-	if (qplib_qp->type == CMDQ_CREATE_QP_TYPE_RC)
-		bytes += (qplib_qp->sq.max_wqe * sizeof(struct sq_psn_search));
+	if (qplib_qp->type == CMDQ_CREATE_QP_TYPE_RC) {
+		psn_sz = bnxt_qplib_is_chip_gen_p5(&rdev->chip_ctx) ?
+					sizeof(struct sq_psn_search_ext) :
+					sizeof(struct sq_psn_search);
+		bytes += (qplib_qp->sq.max_wqe * psn_sz);
+	}
 	bytes = PAGE_ALIGN(bytes);
 	umem = ib_umem_get(udata, ureq.qpsva, bytes, IB_ACCESS_LOCAL_WRITE, 1);
 	if (IS_ERR(umem))
@@ -1652,6 +1656,9 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr,
 			__from_ib_access_flags(qp_attr->qp_access_flags);
 		/* LOCAL_WRITE access must be set to allow RC receive */
 		qp->qplib_qp.access |= BNXT_QPLIB_ACCESS_LOCAL_WRITE;
+		/* Temp: Set all params on QP as of now */
+		qp->qplib_qp.access |= CMDQ_MODIFY_QP_ACCESS_REMOTE_WRITE;
+		qp->qplib_qp.access |= CMDQ_MODIFY_QP_ACCESS_REMOTE_READ;
 	}
 	if (qp_attr_mask & IB_QP_PKEY_INDEX) {
 		qp->qplib_qp.modify_flags |= CMDQ_MODIFY_QP_MODIFY_MASK_PKEY;
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
index 117e78643720..77eb3d556006 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
@@ -870,10 +870,11 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
 	unsigned long int psn_search, poff = 0;
 	struct bnxt_qplib_q *sq = &qp->sq;
 	struct bnxt_qplib_q *rq = &qp->rq;
+	int i, rc, req_size, psn_sz = 0;
 	struct bnxt_qplib_hwq *xrrq;
-	int i, rc, req_size, psn_sz;
 	u16 cmd_flags = 0, max_ssge;
 	u32 sw_prod, qp_flags = 0;
+	u16 max_rsge;
 
 	RCFW_CMD_PREP(req, CREATE_QP, cmd_flags);
 
@@ -883,8 +884,11 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
 	req.qp_handle = cpu_to_le64(qp->qp_handle);
 
 	/* SQ */
-	psn_sz = (qp->type == CMDQ_CREATE_QP_TYPE_RC) ?
-		 sizeof(struct sq_psn_search) : 0;
+	if (qp->type == CMDQ_CREATE_QP_TYPE_RC) {
+		psn_sz = bnxt_qplib_is_chip_gen_p5(res->cctx) ?
+			 sizeof(struct sq_psn_search_ext) :
+			 sizeof(struct sq_psn_search);
+	}
 	sq->hwq.max_elements = sq->max_wqe;
 	rc = bnxt_qplib_alloc_init_hwq(res->pdev, &sq->hwq, sq->sglist,
 				       sq->nmap, &sq->hwq.max_elements,
@@ -914,10 +918,16 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
 			poff = (psn_search & ~PAGE_MASK) /
 				BNXT_QPLIB_MAX_PSNE_ENTRY_SIZE;
 		}
-		for (i = 0; i < sq->hwq.max_elements; i++)
+		for (i = 0; i < sq->hwq.max_elements; i++) {
 			sq->swq[i].psn_search =
 				&psn_search_ptr[get_psne_pg(i + poff)]
 					       [get_psne_idx(i + poff)];
+			/*psns_ext will be used only for P5 chips. */
+			sq->swq[i].psn_ext =
+				(struct sq_psn_search_ext *)
+				&psn_search_ptr[get_psne_pg(i + poff)]
+					       [get_psne_idx(i + poff)];
+		}
 	}
 	pbl = &sq->hwq.pbl[PBL_LVL_0];
 	req.sq_pbl = cpu_to_le64(pbl->pg_map_arr[0]);
@@ -1016,8 +1026,9 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
 	req.sq_fwo_sq_sge = cpu_to_le16(
 				((max_ssge & CMDQ_CREATE_QP_SQ_SGE_MASK)
 				 << CMDQ_CREATE_QP_SQ_SGE_SFT) | 0);
+	max_rsge = bnxt_qplib_is_chip_gen_p5(res->cctx) ? 6 : rq->max_sge;
 	req.rq_fwo_rq_sge = cpu_to_le16(
-				((rq->max_sge & CMDQ_CREATE_QP_RQ_SGE_MASK)
+				((max_rsge & CMDQ_CREATE_QP_RQ_SGE_MASK)
 				 << CMDQ_CREATE_QP_RQ_SGE_SFT) | 0);
 	/* ORRQ and IRRQ */
 	if (psn_sz) {
@@ -1062,6 +1073,7 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
 
 	qp->id = le32_to_cpu(resp.xid);
 	qp->cur_qp_state = CMDQ_MODIFY_QP_NEW_STATE_RESET;
+	qp->cctx = res->cctx;
 	INIT_LIST_HEAD(&qp->sq_flush);
 	INIT_LIST_HEAD(&qp->rq_flush);
 	rcfw->qp_tbl[qp->id].qp_id = qp->id;
@@ -1748,14 +1760,26 @@ int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp,
 	}
 	swq->next_psn = sq->psn & BTH_PSN_MASK;
 	if (swq->psn_search) {
-		swq->psn_search->opcode_start_psn = cpu_to_le32(
-			((swq->start_psn << SQ_PSN_SEARCH_START_PSN_SFT) &
-			 SQ_PSN_SEARCH_START_PSN_MASK) |
-			((wqe->type << SQ_PSN_SEARCH_OPCODE_SFT) &
-			 SQ_PSN_SEARCH_OPCODE_MASK));
-		swq->psn_search->flags_next_psn = cpu_to_le32(
-			((swq->next_psn << SQ_PSN_SEARCH_NEXT_PSN_SFT) &
-			 SQ_PSN_SEARCH_NEXT_PSN_MASK));
+		u32 opcd_spsn;
+		u32 flg_npsn;
+
+		opcd_spsn = ((swq->start_psn << SQ_PSN_SEARCH_START_PSN_SFT) &
+			      SQ_PSN_SEARCH_START_PSN_MASK);
+		opcd_spsn |= ((wqe->type << SQ_PSN_SEARCH_OPCODE_SFT) &
+			       SQ_PSN_SEARCH_OPCODE_MASK);
+		flg_npsn = ((swq->next_psn << SQ_PSN_SEARCH_NEXT_PSN_SFT) &
+			     SQ_PSN_SEARCH_NEXT_PSN_MASK);
+		if (bnxt_qplib_is_chip_gen_p5(qp->cctx)) {
+			swq->psn_ext->opcode_start_psn =
+						cpu_to_le32(opcd_spsn);
+			swq->psn_ext->flags_next_psn =
+						cpu_to_le32(flg_npsn);
+		} else {
+			swq->psn_search->opcode_start_psn =
+						cpu_to_le32(opcd_spsn);
+			swq->psn_search->flags_next_psn =
+						cpu_to_le32(flg_npsn);
+		}
 	}
 queue_err:
 	if (sch_handler) {
@@ -2053,6 +2077,7 @@ static int __flush_rq(struct bnxt_qplib_q *rq, struct bnxt_qplib_qp *qp,
 		opcode = CQ_BASE_CQE_TYPE_RES_RC;
 		break;
 	case CMDQ_CREATE_QP_TYPE_UD:
+	case CMDQ_CREATE_QP_TYPE_GSI:
 		opcode = CQ_BASE_CQE_TYPE_RES_UD;
 		break;
 	}
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
index f9f7cc54d5ce..3f618b5f1f06 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
@@ -106,6 +106,7 @@ struct bnxt_qplib_swq {
 	u32				start_psn;
 	u32				next_psn;
 	struct sq_psn_search		*psn_search;
+	struct sq_psn_search_ext	*psn_ext;
 };
 
 struct bnxt_qplib_swqe {
@@ -254,6 +255,7 @@ struct bnxt_qplib_q {
 struct bnxt_qplib_qp {
 	struct bnxt_qplib_pd		*pd;
 	struct bnxt_qplib_dpi		*dpi;
+	struct bnxt_qplib_chip_ctx	*cctx;
 	u64				qp_handle;
 #define        BNXT_QPLIB_QP_ID_INVALID        0xFFFFFFFF
 	u32				id;
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
index efa0f2949dc7..e9c53e406404 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
@@ -119,7 +119,8 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
 	 * reporting the max number
 	 */
 	attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS;
-	attr->max_qp_sges = sb->max_sge;
+	attr->max_qp_sges = bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx) ?
+			    6 : sb->max_sge;
 	attr->max_cq = le32_to_cpu(sb->max_cq);
 	attr->max_cq_wqes = le32_to_cpu(sb->max_cqe);
 	attr->max_cq_sges = attr->max_qp_sges;
diff --git a/drivers/infiniband/hw/bnxt_re/roce_hsi.h b/drivers/infiniband/hw/bnxt_re/roce_hsi.h
index 43cce22a5bd1..e4b09e7c2175 100644
--- a/drivers/infiniband/hw/bnxt_re/roce_hsi.h
+++ b/drivers/infiniband/hw/bnxt_re/roce_hsi.h
@@ -159,7 +159,24 @@ struct sq_psn_search {
 	#define SQ_PSN_SEARCH_NEXT_PSN_MASK			    0xffffffUL
 	#define SQ_PSN_SEARCH_NEXT_PSN_SFT			    0
 	#define SQ_PSN_SEARCH_FLAGS_MASK			    0xff000000UL
-	#define SQ_PSN_SEARCH_FLAGS_SFT			    24
+	#define SQ_PSN_SEARCH_FLAGS_SFT				    24
+};
+
+/* sq_psn_search_ext (size:128b/16B) */
+struct sq_psn_search_ext {
+	__le32  opcode_start_psn;
+	#define SQ_PSN_SEARCH_EXT_START_PSN_MASK		    0xffffffUL
+	#define SQ_PSN_SEARCH_EXT_START_PSN_SFT			    0
+	#define SQ_PSN_SEARCH_EXT_OPCODE_MASK			    0xff000000UL
+	#define SQ_PSN_SEARCH_EXT_OPCODE_SFT			    24
+	__le32  flags_next_psn;
+	#define SQ_PSN_SEARCH_EXT_NEXT_PSN_MASK			    0xffffffUL
+	#define SQ_PSN_SEARCH_EXT_NEXT_PSN_SFT			    0
+	#define SQ_PSN_SEARCH_EXT_FLAGS_MASK			    0xff000000UL
+	#define SQ_PSN_SEARCH_EXT_FLAGS_SFT			    24
+	__le16  start_slot_idx;
+	__le16  reserved16;
+	__le32  reserved32;
 };
 
 /* Send SQ WQE (40 bytes) */