RDMA/bnxt_re: Support new 5760X P7 devices

Add basic support for 5760X P7 devices. Add new chip
revisions. The first version support is similar to
the existing P5 adapters. Extend the current support
for P5 adapters to P7 also.
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1701946060-13931-2-git-send-email-selvin.xavier@broadcom.comSigned-off-by: Leon Romanovsky <leon@kernel.org>

drivers/infiniband/hw/bnxt_re/hw_counters.c

@@ -371,7 +371,7 @@ int bnxt_re_ib_get_hw_stats(struct ib_device *ibdev,
 	}
 
 done:
-	return bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ?
+	return bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx) ?
 		BNXT_RE_NUM_EXT_COUNTERS : BNXT_RE_NUM_STD_COUNTERS;
 }
 
@@ -381,7 +381,7 @@ struct rdma_hw_stats *bnxt_re_ib_alloc_hw_port_stats(struct ib_device *ibdev,
 	struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev);
 	int num_counters = 0;
 
-	if (bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx))
+	if (bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))
 		num_counters = BNXT_RE_NUM_EXT_COUNTERS;
 	else
 		num_counters = BNXT_RE_NUM_STD_COUNTERS;

drivers/infiniband/hw/bnxt_re/ib_verbs.c

@@ -1023,7 +1023,7 @@ static int bnxt_re_init_user_qp(struct bnxt_re_dev *rdev, struct bnxt_re_pd *pd,
 	bytes = (qplib_qp->sq.max_wqe * qplib_qp->sq.wqe_size);
 	/* Consider mapping PSN search memory only for RC QPs. */
 	if (qplib_qp->type == CMDQ_CREATE_QP_TYPE_RC) {
-		psn_sz = bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ?
+		psn_sz = bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx) ?
 						   sizeof(struct sq_psn_search_ext) :
 						   sizeof(struct sq_psn_search);
 		psn_nume = (qplib_qp->wqe_mode == BNXT_QPLIB_WQE_MODE_STATIC) ?
@@ -1234,7 +1234,7 @@ static void bnxt_re_adjust_gsi_rq_attr(struct bnxt_re_qp *qp)
 	qplqp = &qp->qplib_qp;
 	dev_attr = &rdev->dev_attr;
 
-	if (!bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx)) {
+	if (!bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx)) {
 		qplqp->rq.max_sge = dev_attr->max_qp_sges;
 		if (qplqp->rq.max_sge > dev_attr->max_qp_sges)
 			qplqp->rq.max_sge = dev_attr->max_qp_sges;
@@ -1301,7 +1301,7 @@ static void bnxt_re_adjust_gsi_sq_attr(struct bnxt_re_qp *qp,
 	qplqp = &qp->qplib_qp;
 	dev_attr = &rdev->dev_attr;
 
-	if (!bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx)) {
+	if (!bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx)) {
 		entries = bnxt_re_init_depth(init_attr->cap.max_send_wr + 1, uctx);
 		qplqp->sq.max_wqe = min_t(u32, entries,
 					  dev_attr->max_qp_wqes + 1);
@@ -1328,7 +1328,7 @@ static int bnxt_re_init_qp_type(struct bnxt_re_dev *rdev,
 		goto out;
 	}
 
-	if (bnxt_qplib_is_chip_gen_p5(chip_ctx) &&
+	if (bnxt_qplib_is_chip_gen_p5_p7(chip_ctx) &&
 	    init_attr->qp_type == IB_QPT_GSI)
 		qptype = CMDQ_CREATE_QP_TYPE_GSI;
 out:
@@ -1527,7 +1527,7 @@ int bnxt_re_create_qp(struct ib_qp *ib_qp, struct ib_qp_init_attr *qp_init_attr,
 		goto fail;
 
 	if (qp_init_attr->qp_type == IB_QPT_GSI &&
-	    !(bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx))) {
+	    !(bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))) {
 		rc = bnxt_re_create_gsi_qp(qp, pd, qp_init_attr);
 		if (rc == -ENODEV)
 			goto qp_destroy;

drivers/infiniband/hw/bnxt_re/main.c

@@ -128,7 +128,7 @@ static void bnxt_re_set_drv_mode(struct bnxt_re_dev *rdev, u8 mode)
 	struct bnxt_qplib_chip_ctx *cctx;
 
 	cctx = rdev->chip_ctx;
-	cctx->modes.wqe_mode = bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ?
+	cctx->modes.wqe_mode = bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx) ?
 			       mode : BNXT_QPLIB_WQE_MODE_STATIC;
 	if (bnxt_re_hwrm_qcaps(rdev))
 		dev_err(rdev_to_dev(rdev),
@@ -215,7 +215,7 @@ static void bnxt_re_limit_pf_res(struct bnxt_re_dev *rdev)
 	ctx->srqc_count = min_t(u32, BNXT_RE_MAX_SRQC_COUNT,
 				attr->max_srq);
 	ctx->cq_count = min_t(u32, BNXT_RE_MAX_CQ_COUNT, attr->max_cq);
-	if (!bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx))
+	if (!bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))
 		for (i = 0; i < MAX_TQM_ALLOC_REQ; i++)
 			rdev->qplib_ctx.tqm_ctx.qcount[i] =
 			rdev->dev_attr.tqm_alloc_reqs[i];
@@ -264,7 +264,7 @@ static void bnxt_re_set_resource_limits(struct bnxt_re_dev *rdev)
 	memset(&rdev->qplib_ctx.vf_res, 0, sizeof(struct bnxt_qplib_vf_res));
 	bnxt_re_limit_pf_res(rdev);
 
-	num_vfs =  bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ?
+	num_vfs =  bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx) ?
 			BNXT_RE_GEN_P5_MAX_VF : rdev->num_vfs;
 	if (num_vfs)
 		bnxt_re_limit_vf_res(&rdev->qplib_ctx, num_vfs);
@@ -276,7 +276,7 @@ static void bnxt_re_vf_res_config(struct bnxt_re_dev *rdev)
 	if (test_bit(BNXT_RE_FLAG_ERR_DEVICE_DETACHED, &rdev->flags))
 		return;
 	rdev->num_vfs = pci_sriov_get_totalvfs(rdev->en_dev->pdev);
-	if (!bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx)) {
+	if (!bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx)) {
 		bnxt_re_set_resource_limits(rdev);
 		bnxt_qplib_set_func_resources(&rdev->qplib_res, &rdev->rcfw,
 					      &rdev->qplib_ctx);
@@ -1216,7 +1216,7 @@ static int bnxt_re_cqn_handler(struct bnxt_qplib_nq *nq,
 #define BNXT_RE_GEN_P5_VF_NQ_DB		0x4000
 static u32 bnxt_re_get_nqdb_offset(struct bnxt_re_dev *rdev, u16 indx)
 {
-	return bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ?
+	return bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx) ?
 		(rdev->is_virtfn ? BNXT_RE_GEN_P5_VF_NQ_DB :
 				   BNXT_RE_GEN_P5_PF_NQ_DB) :
 				   rdev->en_dev->msix_entries[indx].db_offset;
@@ -1681,7 +1681,7 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 wqe_mode)
 	bnxt_re_set_resource_limits(rdev);
 
 	rc = bnxt_qplib_alloc_ctx(&rdev->qplib_res, &rdev->qplib_ctx, 0,
-				  bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx));
+				  bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx));
 	if (rc) {
 		ibdev_err(&rdev->ibdev,
 			  "Failed to allocate QPLIB context: %#x\n", rc);
@@ -1804,7 +1804,7 @@ static void bnxt_re_setup_cc(struct bnxt_re_dev *rdev, bool enable)
 		return;
 
 	/* Currently enabling only for GenP5 adapters */
-	if (!bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx))
+	if (!bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))
 		return;
 
 	if (enable) {

drivers/infiniband/hw/bnxt_re/qplib_fp.c

@@ -991,7 +991,7 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
 
 	/* SQ */
 	if (qp->type == CMDQ_CREATE_QP_TYPE_RC) {
-		psn_sz = bnxt_qplib_is_chip_gen_p5(res->cctx) ?
+		psn_sz = bnxt_qplib_is_chip_gen_p5_p7(res->cctx) ?
 			 sizeof(struct sq_psn_search_ext) :
 			 sizeof(struct sq_psn_search);
 	}
@@ -1605,7 +1605,7 @@ static void bnxt_qplib_fill_psn_search(struct bnxt_qplib_qp *qp,
 	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)) {
+	if (bnxt_qplib_is_chip_gen_p5_p7(qp->cctx)) {
 		psns_ext->opcode_start_psn = cpu_to_le32(op_spsn);
 		psns_ext->flags_next_psn = cpu_to_le32(flg_npsn);
 		psns_ext->start_slot_idx = cpu_to_le16(swq->slot_idx);

drivers/infiniband/hw/bnxt_re/qplib_rcfw.c

@@ -852,7 +852,7 @@ int bnxt_qplib_init_rcfw(struct bnxt_qplib_rcfw *rcfw,
 	 */
 	if (is_virtfn)
 		goto skip_ctx_setup;
-	if (bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx))
+	if (bnxt_qplib_is_chip_gen_p5_p7(rcfw->res->cctx))
 		goto config_vf_res;
 
 	lvl = ctx->qpc_tbl.level;

drivers/infiniband/hw/bnxt_re/qplib_res.c

@@ -805,7 +805,7 @@ static int bnxt_qplib_alloc_dpi_tbl(struct bnxt_qplib_res *res,
 	dpit = &res->dpi_tbl;
 	reg = &dpit->wcreg;
 
-	if (!bnxt_qplib_is_chip_gen_p5(res->cctx)) {
+	if (!bnxt_qplib_is_chip_gen_p5_p7(res->cctx)) {
 		/* Offest should come from L2 driver */
 		dbr_offset = dev_attr->l2_db_size;
 		dpit->ucreg.offset = dbr_offset;

drivers/infiniband/hw/bnxt_re/qplib_res.h

@@ -44,6 +44,9 @@ extern const struct bnxt_qplib_gid bnxt_qplib_gid_zero;
 #define CHIP_NUM_57508		0x1750
 #define CHIP_NUM_57504		0x1751
 #define CHIP_NUM_57502		0x1752
+#define CHIP_NUM_58818          0xd818
+#define CHIP_NUM_57608          0x1760
+
 
 struct bnxt_qplib_drv_modes {
 	u8	wqe_mode;
@@ -296,6 +299,12 @@ struct bnxt_qplib_res {
 	struct bnxt_qplib_db_pacing_data *pacing_data;
 };
 
+static inline bool bnxt_qplib_is_chip_gen_p7(struct bnxt_qplib_chip_ctx *cctx)
+{
+	return (cctx->chip_num == CHIP_NUM_58818 ||
+		cctx->chip_num == CHIP_NUM_57608);
+}
+
 static inline bool bnxt_qplib_is_chip_gen_p5(struct bnxt_qplib_chip_ctx *cctx)
 {
 	return (cctx->chip_num == CHIP_NUM_57508 ||
@@ -303,15 +312,20 @@ static inline bool bnxt_qplib_is_chip_gen_p5(struct bnxt_qplib_chip_ctx *cctx)
 		cctx->chip_num == CHIP_NUM_57502);
 }
 
+static inline bool bnxt_qplib_is_chip_gen_p5_p7(struct bnxt_qplib_chip_ctx *cctx)
+{
+	return bnxt_qplib_is_chip_gen_p5(cctx) || bnxt_qplib_is_chip_gen_p7(cctx);
+}
+
 static inline u8 bnxt_qplib_get_hwq_type(struct bnxt_qplib_res *res)
 {
-	return bnxt_qplib_is_chip_gen_p5(res->cctx) ?
+	return bnxt_qplib_is_chip_gen_p5_p7(res->cctx) ?
 					HWQ_TYPE_QUEUE : HWQ_TYPE_L2_CMPL;
 }
 
 static inline u8 bnxt_qplib_get_ring_type(struct bnxt_qplib_chip_ctx *cctx)
 {
-	return bnxt_qplib_is_chip_gen_p5(cctx) ?
+	return bnxt_qplib_is_chip_gen_p5_p7(cctx) ?
 	       RING_ALLOC_REQ_RING_TYPE_NQ :
 	       RING_ALLOC_REQ_RING_TYPE_ROCE_CMPL;
 }
@@ -488,7 +502,7 @@ static inline void bnxt_qplib_ring_nq_db(struct bnxt_qplib_db_info *info,
 	u32 type;
 
 	type = arm ? DBC_DBC_TYPE_NQ_ARM : DBC_DBC_TYPE_NQ;
-	if (bnxt_qplib_is_chip_gen_p5(cctx))
+	if (bnxt_qplib_is_chip_gen_p5_p7(cctx))
 		bnxt_qplib_ring_db(info, type);
 	else
 		bnxt_qplib_ring_db32(info, arm);

drivers/infiniband/hw/bnxt_re/qplib_sp.c

@@ -59,7 +59,7 @@ static bool bnxt_qplib_is_atomic_cap(struct bnxt_qplib_rcfw *rcfw)
 {
 	u16 pcie_ctl2 = 0;
 
-	if (!bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx))
+	if (!bnxt_qplib_is_chip_gen_p5_p7(rcfw->res->cctx))
 		return false;
 
 	pcie_capability_read_word(rcfw->pdev, PCI_EXP_DEVCTL2, &pcie_ctl2);
@@ -133,7 +133,7 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
 	 * reporting the max number
 	 */
 	attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS + 1;
-	attr->max_qp_sges = bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx) ?
+	attr->max_qp_sges = bnxt_qplib_is_chip_gen_p5_p7(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);
@@ -934,7 +934,7 @@ int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res,
 	req->inactivity_th = cpu_to_le16(cc_param->inact_th);
 
 	/* For chip gen P5 onwards fill extended cmd and header */
-	if (bnxt_qplib_is_chip_gen_p5(res->cctx)) {
+	if (bnxt_qplib_is_chip_gen_p5_p7(res->cctx)) {
 		struct roce_tlv *hdr;
 		u32 payload;
 		u32 chunks;