Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 4795 insertions, 0 deletions

diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
new file mode 100644
index 000000000..ba695d648
--- /dev/null
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -0,0 +1,4795 @@
+/*
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c)  2003-2014 QLogic Corporation
+ *
+ * See LICENSE.qla2xxx for copyright and licensing details.
+ */
+#include "qla_def.h"
+#include "qla_target.h"
+#include <linux/utsname.h>
+
+static int qla2x00_sns_ga_nxt(scsi_qla_host_t *, fc_port_t *);
+static int qla2x00_sns_gid_pt(scsi_qla_host_t *, sw_info_t *);
+static int qla2x00_sns_gpn_id(scsi_qla_host_t *, sw_info_t *);
+static int qla2x00_sns_gnn_id(scsi_qla_host_t *, sw_info_t *);
+static int qla2x00_sns_rft_id(scsi_qla_host_t *);
+static int qla2x00_sns_rnn_id(scsi_qla_host_t *);
+static int qla_async_rftid(scsi_qla_host_t *, port_id_t *);
+static int qla_async_rffid(scsi_qla_host_t *, port_id_t *, u8, u8);
+static int qla_async_rnnid(scsi_qla_host_t *, port_id_t *, u8*);
+static int qla_async_rsnn_nn(scsi_qla_host_t *);
+
+/**
+ * qla2x00_prep_ms_iocb() - Prepare common MS/CT IOCB fields for SNS CT query.
+ * @vha: HA context
+ * @arg: CT arguments
+ *
+ * Returns a pointer to the @vha's ms_iocb.
+ */
+void *
+qla2x00_prep_ms_iocb(scsi_qla_host_t *vha, struct ct_arg *arg)
+{
+	struct qla_hw_data *ha = vha->hw;
+	ms_iocb_entry_t *ms_pkt;
+
+	ms_pkt = (ms_iocb_entry_t *)arg->iocb;
+	memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
+
+	ms_pkt->entry_type = MS_IOCB_TYPE;
+	ms_pkt->entry_count = 1;
+	SET_TARGET_ID(ha, ms_pkt->loop_id, SIMPLE_NAME_SERVER);
+	ms_pkt->control_flags = cpu_to_le16(CF_READ | CF_HEAD_TAG);
+	ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
+	ms_pkt->cmd_dsd_count = cpu_to_le16(1);
+	ms_pkt->total_dsd_count = cpu_to_le16(2);
+	ms_pkt->rsp_bytecount = cpu_to_le32(arg->rsp_size);
+	ms_pkt->req_bytecount = cpu_to_le32(arg->req_size);
+
+	ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(arg->req_dma));
+	ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(arg->req_dma));
+	ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
+
+	ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(arg->rsp_dma));
+	ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(arg->rsp_dma));
+	ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
+
+	vha->qla_stats.control_requests++;
+
+	return (ms_pkt);
+}
+
+/**
+ * qla24xx_prep_ms_iocb() - Prepare common CT IOCB fields for SNS CT query.
+ * @vha: HA context
+ * @arg: CT arguments
+ *
+ * Returns a pointer to the @ha's ms_iocb.
+ */
+void *
+qla24xx_prep_ms_iocb(scsi_qla_host_t *vha, struct ct_arg *arg)
+{
+	struct qla_hw_data *ha = vha->hw;
+	struct ct_entry_24xx *ct_pkt;
+
+	ct_pkt = (struct ct_entry_24xx *)arg->iocb;
+	memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
+
+	ct_pkt->entry_type = CT_IOCB_TYPE;
+	ct_pkt->entry_count = 1;
+	ct_pkt->nport_handle = cpu_to_le16(arg->nport_handle);
+	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
+	ct_pkt->cmd_dsd_count = cpu_to_le16(1);
+	ct_pkt->rsp_dsd_count = cpu_to_le16(1);
+	ct_pkt->rsp_byte_count = cpu_to_le32(arg->rsp_size);
+	ct_pkt->cmd_byte_count = cpu_to_le32(arg->req_size);
+
+	ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(arg->req_dma));
+	ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(arg->req_dma));
+	ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
+
+	ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(arg->rsp_dma));
+	ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(arg->rsp_dma));
+	ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
+	ct_pkt->vp_index = vha->vp_idx;
+
+	vha->qla_stats.control_requests++;
+
+	return (ct_pkt);
+}
+
+/**
+ * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
+ * @p: CT request buffer
+ * @cmd: GS command
+ * @rsp_size: response size in bytes
+ *
+ * Returns a pointer to the intitialized @ct_req.
+ */
+static inline struct ct_sns_req *
+qla2x00_prep_ct_req(struct ct_sns_pkt *p, uint16_t cmd, uint16_t rsp_size)
+{
+	memset(p, 0, sizeof(struct ct_sns_pkt));
+
+	p->p.req.header.revision = 0x01;
+	p->p.req.header.gs_type = 0xFC;
+	p->p.req.header.gs_subtype = 0x02;
+	p->p.req.command = cpu_to_be16(cmd);
+	p->p.req.max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
+
+	return &p->p.req;
+}
+
+int
+qla2x00_chk_ms_status(scsi_qla_host_t *vha, ms_iocb_entry_t *ms_pkt,
+    struct ct_sns_rsp *ct_rsp, const char *routine)
+{
+	int rval;
+	uint16_t comp_status;
+	struct qla_hw_data *ha = vha->hw;
+	bool lid_is_sns = false;
+
+	rval = QLA_FUNCTION_FAILED;
+	if (ms_pkt->entry_status != 0) {
+		ql_dbg(ql_dbg_disc, vha, 0x2031,
+		    "%s failed, error status (%x) on port_id: %02x%02x%02x.\n",
+		    routine, ms_pkt->entry_status, vha->d_id.b.domain,
+		    vha->d_id.b.area, vha->d_id.b.al_pa);
+	} else {
+		if (IS_FWI2_CAPABLE(ha))
+			comp_status = le16_to_cpu(
+			    ((struct ct_entry_24xx *)ms_pkt)->comp_status);
+		else
+			comp_status = le16_to_cpu(ms_pkt->status);
+		switch (comp_status) {
+		case CS_COMPLETE:
+		case CS_DATA_UNDERRUN:
+		case CS_DATA_OVERRUN:		/* Overrun? */
+			if (ct_rsp->header.response !=
+			    cpu_to_be16(CT_ACCEPT_RESPONSE)) {
+				ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2077,
+				    "%s failed rejected request on port_id: %02x%02x%02x Completion status 0x%x, response 0x%x\n",
+				    routine, vha->d_id.b.domain,
+				    vha->d_id.b.area, vha->d_id.b.al_pa,
+				    comp_status, ct_rsp->header.response);
+				ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha,
+				    0x2078, (uint8_t *)&ct_rsp->header,
+				    sizeof(struct ct_rsp_hdr));
+				rval = QLA_INVALID_COMMAND;
+			} else
+				rval = QLA_SUCCESS;
+			break;
+		case CS_PORT_LOGGED_OUT:
+			if (IS_FWI2_CAPABLE(ha)) {
+				if (le16_to_cpu(ms_pkt->loop_id.extended) ==
+				    NPH_SNS)
+					lid_is_sns = true;
+			} else {
+				if (le16_to_cpu(ms_pkt->loop_id.extended) ==
+				    SIMPLE_NAME_SERVER)
+					lid_is_sns = true;
+			}
+			if (lid_is_sns) {
+				ql_dbg(ql_dbg_async, vha, 0x502b,
+					"%s failed, Name server has logged out",
+					routine);
+				rval = QLA_NOT_LOGGED_IN;
+				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+				set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+			}
+			break;
+		case CS_TIMEOUT:
+			rval = QLA_FUNCTION_TIMEOUT;
+			/* fall through */
+		default:
+			ql_dbg(ql_dbg_disc, vha, 0x2033,
+			    "%s failed, completion status (%x) on port_id: "
+			    "%02x%02x%02x.\n", routine, comp_status,
+			    vha->d_id.b.domain, vha->d_id.b.area,
+			    vha->d_id.b.al_pa);
+			break;
+		}
+	}
+	return rval;
+}
+
+/**
+ * qla2x00_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
+ * @vha: HA context
+ * @fcport: fcport entry to updated
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_ga_nxt(scsi_qla_host_t *vha, fc_port_t *fcport)
+{
+	int		rval;
+
+	ms_iocb_entry_t	*ms_pkt;
+	struct ct_sns_req	*ct_req;
+	struct ct_sns_rsp	*ct_rsp;
+	struct qla_hw_data *ha = vha->hw;
+	struct ct_arg arg;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha))
+		return qla2x00_sns_ga_nxt(vha, fcport);
+
+	arg.iocb = ha->ms_iocb;
+	arg.req_dma = ha->ct_sns_dma;
+	arg.rsp_dma = ha->ct_sns_dma;
+	arg.req_size = GA_NXT_REQ_SIZE;
+	arg.rsp_size = GA_NXT_RSP_SIZE;
+	arg.nport_handle = NPH_SNS;
+
+	/* Issue GA_NXT */
+	/* Prepare common MS IOCB */
+	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_req(ha->ct_sns, GA_NXT_CMD,
+	    GA_NXT_RSP_SIZE);
+	ct_rsp = &ha->ct_sns->p.rsp;
+
+	/* Prepare CT arguments -- port_id */
+	ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
+	ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
+	ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
+
+	/* Execute MS IOCB */
+	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
+	    sizeof(ms_iocb_entry_t));
+	if (rval != QLA_SUCCESS) {
+		/*EMPTY*/
+		ql_dbg(ql_dbg_disc, vha, 0x2062,
+		    "GA_NXT issue IOCB failed (%d).\n", rval);
+	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GA_NXT") !=
+	    QLA_SUCCESS) {
+		rval = QLA_FUNCTION_FAILED;
+	} else {
+		/* Populate fc_port_t entry. */
+		fcport->d_id.b.domain = ct_rsp->rsp.ga_nxt.port_id[0];
+		fcport->d_id.b.area = ct_rsp->rsp.ga_nxt.port_id[1];
+		fcport->d_id.b.al_pa = ct_rsp->rsp.ga_nxt.port_id[2];
+
+		memcpy(fcport->node_name, ct_rsp->rsp.ga_nxt.node_name,
+		    WWN_SIZE);
+		memcpy(fcport->port_name, ct_rsp->rsp.ga_nxt.port_name,
+		    WWN_SIZE);
+
+		fcport->fc4_type = (ct_rsp->rsp.ga_nxt.fc4_types[2] & BIT_0) ?
+		    FC4_TYPE_FCP_SCSI : FC4_TYPE_OTHER;
+
+		if (ct_rsp->rsp.ga_nxt.port_type != NS_N_PORT_TYPE &&
+		    ct_rsp->rsp.ga_nxt.port_type != NS_NL_PORT_TYPE)
+			fcport->d_id.b.domain = 0xf0;
+
+		ql_dbg(ql_dbg_disc, vha, 0x2063,
+		    "GA_NXT entry - nn %8phN pn %8phN "
+		    "port_id=%02x%02x%02x.\n",
+		    fcport->node_name, fcport->port_name,
+		    fcport->d_id.b.domain, fcport->d_id.b.area,
+		    fcport->d_id.b.al_pa);
+	}
+
+	return (rval);
+}
+
+static inline int
+qla2x00_gid_pt_rsp_size(scsi_qla_host_t *vha)
+{
+	return vha->hw->max_fibre_devices * 4 + 16;
+}
+
+/**
+ * qla2x00_gid_pt() - SNS scan for fabric devices via GID_PT command.
+ * @vha: HA context
+ * @list: switch info entries to populate
+ *
+ * NOTE: Non-Nx_Ports are not requested.
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_gid_pt(scsi_qla_host_t *vha, sw_info_t *list)
+{
+	int		rval;
+	uint16_t	i;
+
+	ms_iocb_entry_t	*ms_pkt;
+	struct ct_sns_req	*ct_req;
+	struct ct_sns_rsp	*ct_rsp;
+
+	struct ct_sns_gid_pt_data *gid_data;
+	struct qla_hw_data *ha = vha->hw;
+	uint16_t gid_pt_rsp_size;
+	struct ct_arg arg;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha))
+		return qla2x00_sns_gid_pt(vha, list);
+
+	gid_data = NULL;
+	gid_pt_rsp_size = qla2x00_gid_pt_rsp_size(vha);
+
+	arg.iocb = ha->ms_iocb;
+	arg.req_dma = ha->ct_sns_dma;
+	arg.rsp_dma = ha->ct_sns_dma;
+	arg.req_size = GID_PT_REQ_SIZE;
+	arg.rsp_size = gid_pt_rsp_size;
+	arg.nport_handle = NPH_SNS;
+
+	/* Issue GID_PT */
+	/* Prepare common MS IOCB */
+	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_req(ha->ct_sns, GID_PT_CMD, gid_pt_rsp_size);
+	ct_rsp = &ha->ct_sns->p.rsp;
+
+	/* Prepare CT arguments -- port_type */
+	ct_req->req.gid_pt.port_type = NS_NX_PORT_TYPE;
+
+	/* Execute MS IOCB */
+	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
+	    sizeof(ms_iocb_entry_t));
+	if (rval != QLA_SUCCESS) {
+		/*EMPTY*/
+		ql_dbg(ql_dbg_disc, vha, 0x2055,
+		    "GID_PT issue IOCB failed (%d).\n", rval);
+	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GID_PT") !=
+	    QLA_SUCCESS) {
+		rval = QLA_FUNCTION_FAILED;
+	} else {
+		/* Set port IDs in switch info list. */
+		for (i = 0; i < ha->max_fibre_devices; i++) {
+			gid_data = &ct_rsp->rsp.gid_pt.entries[i];
+			list[i].d_id.b.domain = gid_data->port_id[0];
+			list[i].d_id.b.area = gid_data->port_id[1];
+			list[i].d_id.b.al_pa = gid_data->port_id[2];
+			memset(list[i].fabric_port_name, 0, WWN_SIZE);
+			list[i].fp_speed = PORT_SPEED_UNKNOWN;
+
+			/* Last one exit. */
+			if (gid_data->control_byte & BIT_7) {
+				list[i].d_id.b.rsvd_1 = gid_data->control_byte;
+				break;
+			}
+		}
+
+		/*
+		 * If we've used all available slots, then the switch is
+		 * reporting back more devices than we can handle with this
+		 * single call.  Return a failed status, and let GA_NXT handle
+		 * the overload.
+		 */
+		if (i == ha->max_fibre_devices)
+			rval = QLA_FUNCTION_FAILED;
+	}
+
+	return (rval);
+}
+
+/**
+ * qla2x00_gpn_id() - SNS Get Port Name (GPN_ID) query.
+ * @vha: HA context
+ * @list: switch info entries to populate
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_gpn_id(scsi_qla_host_t *vha, sw_info_t *list)
+{
+	int		rval = QLA_SUCCESS;
+	uint16_t	i;
+
+	ms_iocb_entry_t	*ms_pkt;
+	struct ct_sns_req	*ct_req;
+	struct ct_sns_rsp	*ct_rsp;
+	struct qla_hw_data *ha = vha->hw;
+	struct ct_arg arg;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha))
+		return qla2x00_sns_gpn_id(vha, list);
+
+	arg.iocb = ha->ms_iocb;
+	arg.req_dma = ha->ct_sns_dma;
+	arg.rsp_dma = ha->ct_sns_dma;
+	arg.req_size = GPN_ID_REQ_SIZE;
+	arg.rsp_size = GPN_ID_RSP_SIZE;
+	arg.nport_handle = NPH_SNS;
+
+	for (i = 0; i < ha->max_fibre_devices; i++) {
+		/* Issue GPN_ID */
+		/* Prepare common MS IOCB */
+		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
+
+		/* Prepare CT request */
+		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GPN_ID_CMD,
+		    GPN_ID_RSP_SIZE);
+		ct_rsp = &ha->ct_sns->p.rsp;
+
+		/* Prepare CT arguments -- port_id */
+		ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
+		ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
+		ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
+
+		/* Execute MS IOCB */
+		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
+		    sizeof(ms_iocb_entry_t));
+		if (rval != QLA_SUCCESS) {
+			/*EMPTY*/
+			ql_dbg(ql_dbg_disc, vha, 0x2056,
+			    "GPN_ID issue IOCB failed (%d).\n", rval);
+			break;
+		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
+		    "GPN_ID") != QLA_SUCCESS) {
+			rval = QLA_FUNCTION_FAILED;
+			break;
+		} else {
+			/* Save portname */
+			memcpy(list[i].port_name,
+			    ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
+		}
+
+		/* Last device exit. */
+		if (list[i].d_id.b.rsvd_1 != 0)
+			break;
+	}
+
+	return (rval);
+}
+
+/**
+ * qla2x00_gnn_id() - SNS Get Node Name (GNN_ID) query.
+ * @vha: HA context
+ * @list: switch info entries to populate
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_gnn_id(scsi_qla_host_t *vha, sw_info_t *list)
+{
+	int		rval = QLA_SUCCESS;
+	uint16_t	i;
+	struct qla_hw_data *ha = vha->hw;
+	ms_iocb_entry_t	*ms_pkt;
+	struct ct_sns_req	*ct_req;
+	struct ct_sns_rsp	*ct_rsp;
+	struct ct_arg arg;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha))
+		return qla2x00_sns_gnn_id(vha, list);
+
+	arg.iocb = ha->ms_iocb;
+	arg.req_dma = ha->ct_sns_dma;
+	arg.rsp_dma = ha->ct_sns_dma;
+	arg.req_size = GNN_ID_REQ_SIZE;
+	arg.rsp_size = GNN_ID_RSP_SIZE;
+	arg.nport_handle = NPH_SNS;
+
+	for (i = 0; i < ha->max_fibre_devices; i++) {
+		/* Issue GNN_ID */
+		/* Prepare common MS IOCB */
+		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
+
+		/* Prepare CT request */
+		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GNN_ID_CMD,
+		    GNN_ID_RSP_SIZE);
+		ct_rsp = &ha->ct_sns->p.rsp;
+
+		/* Prepare CT arguments -- port_id */
+		ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
+		ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
+		ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
+
+		/* Execute MS IOCB */
+		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
+		    sizeof(ms_iocb_entry_t));
+		if (rval != QLA_SUCCESS) {
+			/*EMPTY*/
+			ql_dbg(ql_dbg_disc, vha, 0x2057,
+			    "GNN_ID issue IOCB failed (%d).\n", rval);
+			break;
+		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
+		    "GNN_ID") != QLA_SUCCESS) {
+			rval = QLA_FUNCTION_FAILED;
+			break;
+		} else {
+			/* Save nodename */
+			memcpy(list[i].node_name,
+			    ct_rsp->rsp.gnn_id.node_name, WWN_SIZE);
+
+			ql_dbg(ql_dbg_disc, vha, 0x2058,
+			    "GID_PT entry - nn %8phN pn %8phN "
+			    "portid=%02x%02x%02x.\n",
+			    list[i].node_name, list[i].port_name,
+			    list[i].d_id.b.domain, list[i].d_id.b.area,
+			    list[i].d_id.b.al_pa);
+		}
+
+		/* Last device exit. */
+		if (list[i].d_id.b.rsvd_1 != 0)
+			break;
+	}
+
+	return (rval);
+}
+
+static void qla2x00_async_sns_sp_done(void *s, int rc)
+{
+	struct srb *sp = s;
+	struct scsi_qla_host *vha = sp->vha;
+	struct ct_sns_pkt *ct_sns;
+	struct qla_work_evt *e;
+
+	sp->rc = rc;
+	if (rc == QLA_SUCCESS) {
+		ql_dbg(ql_dbg_disc, vha, 0x204f,
+		    "Async done-%s exiting normally.\n",
+		    sp->name);
+	} else if (rc == QLA_FUNCTION_TIMEOUT) {
+		ql_dbg(ql_dbg_disc, vha, 0x204f,
+		    "Async done-%s timeout\n", sp->name);
+	} else {
+		ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
+		memset(ct_sns, 0, sizeof(*ct_sns));
+		sp->retry_count++;
+		if (sp->retry_count > 3)
+			goto err;
+
+		ql_dbg(ql_dbg_disc, vha, 0x204f,
+		    "Async done-%s fail rc %x.  Retry count %d\n",
+		    sp->name, rc, sp->retry_count);
+
+		e = qla2x00_alloc_work(vha, QLA_EVT_SP_RETRY);
+		if (!e)
+			goto err2;
+
+		del_timer(&sp->u.iocb_cmd.timer);
+		e->u.iosb.sp = sp;
+		qla2x00_post_work(vha, e);
+		return;
+	}
+
+err:
+	e = qla2x00_alloc_work(vha, QLA_EVT_UNMAP);
+err2:
+	if (!e) {
+		/* please ignore kernel warning. otherwise, we have mem leak. */
+		if (sp->u.iocb_cmd.u.ctarg.req) {
+			dma_free_coherent(&vha->hw->pdev->dev,
+			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
+			    sp->u.iocb_cmd.u.ctarg.req,
+			    sp->u.iocb_cmd.u.ctarg.req_dma);
+			sp->u.iocb_cmd.u.ctarg.req = NULL;
+		}
+
+		if (sp->u.iocb_cmd.u.ctarg.rsp) {
+			dma_free_coherent(&vha->hw->pdev->dev,
+			    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
+			    sp->u.iocb_cmd.u.ctarg.rsp,
+			    sp->u.iocb_cmd.u.ctarg.rsp_dma);
+			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
+		}
+
+		sp->free(sp);
+
+		return;
+	}
+
+	e->u.iosb.sp = sp;
+	qla2x00_post_work(vha, e);
+}
+
+/**
+ * qla2x00_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_rft_id(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha))
+		return qla2x00_sns_rft_id(vha);
+
+	return qla_async_rftid(vha, &vha->d_id);
+}
+
+static int qla_async_rftid(scsi_qla_host_t *vha, port_id_t *d_id)
+{
+	int rval = QLA_MEMORY_ALLOC_FAILED;
+	struct ct_sns_req *ct_req;
+	srb_t *sp;
+	struct ct_sns_pkt *ct_sns;
+
+	if (!vha->flags.online)
+		goto done;
+
+	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
+	if (!sp)
+		goto done;
+
+	sp->type = SRB_CT_PTHRU_CMD;
+	sp->name = "rft_id";
+	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
+
+	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
+	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
+	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
+	if (!sp->u.iocb_cmd.u.ctarg.req) {
+		ql_log(ql_log_warn, vha, 0xd041,
+		    "%s: Failed to allocate ct_sns request.\n",
+		    __func__);
+		goto done_free_sp;
+	}
+
+	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
+	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
+	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
+	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
+		ql_log(ql_log_warn, vha, 0xd042,
+		    "%s: Failed to allocate ct_sns request.\n",
+		    __func__);
+		goto done_free_sp;
+	}
+	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
+	memset(ct_sns, 0, sizeof(*ct_sns));
+	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_req(ct_sns, RFT_ID_CMD, RFT_ID_RSP_SIZE);
+
+	/* Prepare CT arguments -- port_id, FC-4 types */
+	ct_req->req.rft_id.port_id[0] = vha->d_id.b.domain;
+	ct_req->req.rft_id.port_id[1] = vha->d_id.b.area;
+	ct_req->req.rft_id.port_id[2] = vha->d_id.b.al_pa;
+	ct_req->req.rft_id.fc4_types[2] = 0x01;		/* FCP-3 */
+
+	if (vha->flags.nvme_enabled)
+		ct_req->req.rft_id.fc4_types[6] = 1;    /* NVMe type 28h */
+
+	sp->u.iocb_cmd.u.ctarg.req_size = RFT_ID_REQ_SIZE;
+	sp->u.iocb_cmd.u.ctarg.rsp_size = RFT_ID_RSP_SIZE;
+	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
+	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
+	sp->done = qla2x00_async_sns_sp_done;
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS) {
+		ql_dbg(ql_dbg_disc, vha, 0x2043,
+		    "RFT_ID issue IOCB failed (%d).\n", rval);
+		goto done_free_sp;
+	}
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "Async-%s - hdl=%x portid %06x.\n",
+	    sp->name, sp->handle, d_id->b24);
+	return rval;
+done_free_sp:
+	sp->free(sp);
+done:
+	return rval;
+}
+
+/**
+ * qla2x00_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the HBA.
+ * @vha: HA context
+ * @type: not used
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_rff_id(scsi_qla_host_t *vha, u8 type)
+{
+	struct qla_hw_data *ha = vha->hw;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
+		ql_dbg(ql_dbg_disc, vha, 0x2046,
+		    "RFF_ID call not supported on ISP2100/ISP2200.\n");
+		return (QLA_SUCCESS);
+	}
+
+	return qla_async_rffid(vha, &vha->d_id, qlt_rff_id(vha), type);
+}
+
+static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id,
+    u8 fc4feature, u8 fc4type)
+{
+	int rval = QLA_MEMORY_ALLOC_FAILED;
+	struct ct_sns_req *ct_req;
+	srb_t *sp;
+	struct ct_sns_pkt *ct_sns;
+
+	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
+	if (!sp)
+		goto done;
+
+	sp->type = SRB_CT_PTHRU_CMD;
+	sp->name = "rff_id";
+	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
+
+	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
+	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
+	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
+	if (!sp->u.iocb_cmd.u.ctarg.req) {
+		ql_log(ql_log_warn, vha, 0xd041,
+		    "%s: Failed to allocate ct_sns request.\n",
+		    __func__);
+		goto done_free_sp;
+	}
+
+	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
+	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
+	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
+	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
+		ql_log(ql_log_warn, vha, 0xd042,
+		    "%s: Failed to allocate ct_sns request.\n",
+		    __func__);
+		goto done_free_sp;
+	}
+	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
+	memset(ct_sns, 0, sizeof(*ct_sns));
+	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_req(ct_sns, RFF_ID_CMD, RFF_ID_RSP_SIZE);
+
+	/* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */
+	ct_req->req.rff_id.port_id[0] = d_id->b.domain;
+	ct_req->req.rff_id.port_id[1] = d_id->b.area;
+	ct_req->req.rff_id.port_id[2] = d_id->b.al_pa;
+	ct_req->req.rff_id.fc4_feature = fc4feature;
+	ct_req->req.rff_id.fc4_type = fc4type;		/* SCSI-FCP or FC-NVMe */
+
+	sp->u.iocb_cmd.u.ctarg.req_size = RFF_ID_REQ_SIZE;
+	sp->u.iocb_cmd.u.ctarg.rsp_size = RFF_ID_RSP_SIZE;
+	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
+	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
+	sp->done = qla2x00_async_sns_sp_done;
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS) {
+		ql_dbg(ql_dbg_disc, vha, 0x2047,
+		    "RFF_ID issue IOCB failed (%d).\n", rval);
+		goto done_free_sp;
+	}
+
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "Async-%s - hdl=%x portid %06x feature %x type %x.\n",
+	    sp->name, sp->handle, d_id->b24, fc4feature, fc4type);
+	return rval;
+
+done_free_sp:
+	sp->free(sp);
+done:
+	return rval;
+}
+
+/**
+ * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_rnn_id(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha))
+		return qla2x00_sns_rnn_id(vha);
+
+	return  qla_async_rnnid(vha, &vha->d_id, vha->node_name);
+}
+
+static int qla_async_rnnid(scsi_qla_host_t *vha, port_id_t *d_id,
+	u8 *node_name)
+{
+	int rval = QLA_MEMORY_ALLOC_FAILED;
+	struct ct_sns_req *ct_req;
+	srb_t *sp;
+	struct ct_sns_pkt *ct_sns;
+
+	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
+	if (!sp)
+		goto done;
+
+	sp->type = SRB_CT_PTHRU_CMD;
+	sp->name = "rnid";
+	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
+
+	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
+	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
+	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
+	if (!sp->u.iocb_cmd.u.ctarg.req) {
+		ql_log(ql_log_warn, vha, 0xd041,
+		    "%s: Failed to allocate ct_sns request.\n",
+		    __func__);
+		goto done_free_sp;
+	}
+
+	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
+	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
+	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
+	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
+		ql_log(ql_log_warn, vha, 0xd042,
+		    "%s: Failed to allocate ct_sns request.\n",
+		    __func__);
+		goto done_free_sp;
+	}
+	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
+	memset(ct_sns, 0, sizeof(*ct_sns));
+	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_req(ct_sns, RNN_ID_CMD, RNN_ID_RSP_SIZE);
+
+	/* Prepare CT arguments -- port_id, node_name */
+	ct_req->req.rnn_id.port_id[0] = vha->d_id.b.domain;
+	ct_req->req.rnn_id.port_id[1] = vha->d_id.b.area;
+	ct_req->req.rnn_id.port_id[2] = vha->d_id.b.al_pa;
+	memcpy(ct_req->req.rnn_id.node_name, vha->node_name, WWN_SIZE);
+
+	sp->u.iocb_cmd.u.ctarg.req_size = RNN_ID_REQ_SIZE;
+	sp->u.iocb_cmd.u.ctarg.rsp_size = RNN_ID_RSP_SIZE;
+	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
+
+	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
+	sp->done = qla2x00_async_sns_sp_done;
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS) {
+		ql_dbg(ql_dbg_disc, vha, 0x204d,
+		    "RNN_ID issue IOCB failed (%d).\n", rval);
+		goto done_free_sp;
+	}
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "Async-%s - hdl=%x portid %06x\n",
+	    sp->name, sp->handle, d_id->b24);
+
+	return rval;
+
+done_free_sp:
+	sp->free(sp);
+done:
+	return rval;
+}
+
+void
+qla2x00_get_sym_node_name(scsi_qla_host_t *vha, uint8_t *snn, size_t size)
+{
+	struct qla_hw_data *ha = vha->hw;
+
+	if (IS_QLAFX00(ha))
+		snprintf(snn, size, "%s FW:v%s DVR:v%s", ha->model_number,
+		    ha->mr.fw_version, qla2x00_version_str);
+	else
+		snprintf(snn, size,
+		    "%s FW:v%d.%02d.%02d DVR:v%s", ha->model_number,
+		    ha->fw_major_version, ha->fw_minor_version,
+		    ha->fw_subminor_version, qla2x00_version_str);
+}
+
+/**
+ * qla2x00_rsnn_nn() - SNS Register Symbolic Node Name (RSNN_NN) of the HBA.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_rsnn_nn(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
+		ql_dbg(ql_dbg_disc, vha, 0x2050,
+		    "RSNN_ID call unsupported on ISP2100/ISP2200.\n");
+		return (QLA_SUCCESS);
+	}
+
+	return qla_async_rsnn_nn(vha);
+}
+
+static int qla_async_rsnn_nn(scsi_qla_host_t *vha)
+{
+	int rval = QLA_MEMORY_ALLOC_FAILED;
+	struct ct_sns_req *ct_req;
+	srb_t *sp;
+	struct ct_sns_pkt *ct_sns;
+
+	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
+	if (!sp)
+		goto done;
+
+	sp->type = SRB_CT_PTHRU_CMD;
+	sp->name = "rsnn_nn";
+	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
+
+	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
+	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
+	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
+	if (!sp->u.iocb_cmd.u.ctarg.req) {
+		ql_log(ql_log_warn, vha, 0xd041,
+		    "%s: Failed to allocate ct_sns request.\n",
+		    __func__);
+		goto done_free_sp;
+	}
+
+	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
+	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
+	    GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
+	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
+		ql_log(ql_log_warn, vha, 0xd042,
+		    "%s: Failed to allocate ct_sns request.\n",
+		    __func__);
+		goto done_free_sp;
+	}
+	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
+	memset(ct_sns, 0, sizeof(*ct_sns));
+	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_req(ct_sns, RSNN_NN_CMD, RSNN_NN_RSP_SIZE);
+
+	/* Prepare CT arguments -- node_name, symbolic node_name, size */
+	memcpy(ct_req->req.rsnn_nn.node_name, vha->node_name, WWN_SIZE);
+
+	/* Prepare the Symbolic Node Name */
+	qla2x00_get_sym_node_name(vha, ct_req->req.rsnn_nn.sym_node_name,
+	    sizeof(ct_req->req.rsnn_nn.sym_node_name));
+	ct_req->req.rsnn_nn.name_len =
+	    (uint8_t)strlen(ct_req->req.rsnn_nn.sym_node_name);
+
+
+	sp->u.iocb_cmd.u.ctarg.req_size = 24 + 1 + ct_req->req.rsnn_nn.name_len;
+	sp->u.iocb_cmd.u.ctarg.rsp_size = RSNN_NN_RSP_SIZE;
+	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
+
+	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
+	sp->done = qla2x00_async_sns_sp_done;
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS) {
+		ql_dbg(ql_dbg_disc, vha, 0x2043,
+		    "RFT_ID issue IOCB failed (%d).\n", rval);
+		goto done_free_sp;
+	}
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "Async-%s - hdl=%x.\n",
+	    sp->name, sp->handle);
+
+	return rval;
+
+done_free_sp:
+	sp->free(sp);
+done:
+	return rval;
+}
+
+/**
+ * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
+ * @vha: HA context
+ * @cmd: GS command
+ * @scmd_len: Subcommand length
+ * @data_size: response size in bytes
+ *
+ * Returns a pointer to the @ha's sns_cmd.
+ */
+static inline struct sns_cmd_pkt *
+qla2x00_prep_sns_cmd(scsi_qla_host_t *vha, uint16_t cmd, uint16_t scmd_len,
+    uint16_t data_size)
+{
+	uint16_t		wc;
+	struct sns_cmd_pkt	*sns_cmd;
+	struct qla_hw_data *ha = vha->hw;
+
+	sns_cmd = ha->sns_cmd;
+	memset(sns_cmd, 0, sizeof(struct sns_cmd_pkt));
+	wc = data_size / 2;			/* Size in 16bit words. */
+	sns_cmd->p.cmd.buffer_length = cpu_to_le16(wc);
+	sns_cmd->p.cmd.buffer_address[0] = cpu_to_le32(LSD(ha->sns_cmd_dma));
+	sns_cmd->p.cmd.buffer_address[1] = cpu_to_le32(MSD(ha->sns_cmd_dma));
+	sns_cmd->p.cmd.subcommand_length = cpu_to_le16(scmd_len);
+	sns_cmd->p.cmd.subcommand = cpu_to_le16(cmd);
+	wc = (data_size - 16) / 4;		/* Size in 32bit words. */
+	sns_cmd->p.cmd.size = cpu_to_le16(wc);
+
+	vha->qla_stats.control_requests++;
+
+	return (sns_cmd);
+}
+
+/**
+ * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
+ * @vha: HA context
+ * @fcport: fcport entry to updated
+ *
+ * This command uses the old Exectute SNS Command mailbox routine.
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_sns_ga_nxt(scsi_qla_host_t *vha, fc_port_t *fcport)
+{
+	int		rval = QLA_SUCCESS;
+	struct qla_hw_data *ha = vha->hw;
+	struct sns_cmd_pkt	*sns_cmd;
+
+	/* Issue GA_NXT. */
+	/* Prepare SNS command request. */
+	sns_cmd = qla2x00_prep_sns_cmd(vha, GA_NXT_CMD, GA_NXT_SNS_SCMD_LEN,
+	    GA_NXT_SNS_DATA_SIZE);
+
+	/* Prepare SNS command arguments -- port_id. */
+	sns_cmd->p.cmd.param[0] = fcport->d_id.b.al_pa;
+	sns_cmd->p.cmd.param[1] = fcport->d_id.b.area;
+	sns_cmd->p.cmd.param[2] = fcport->d_id.b.domain;
+
+	/* Execute SNS command. */
+	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, GA_NXT_SNS_CMD_SIZE / 2,
+	    sizeof(struct sns_cmd_pkt));
+	if (rval != QLA_SUCCESS) {
+		/*EMPTY*/
+		ql_dbg(ql_dbg_disc, vha, 0x205f,
+		    "GA_NXT Send SNS failed (%d).\n", rval);
+	} else if (sns_cmd->p.gan_data[8] != 0x80 ||
+	    sns_cmd->p.gan_data[9] != 0x02) {
+		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2084,
+		    "GA_NXT failed, rejected request ga_nxt_rsp:\n");
+		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2074,
+		    sns_cmd->p.gan_data, 16);
+		rval = QLA_FUNCTION_FAILED;
+	} else {
+		/* Populate fc_port_t entry. */
+		fcport->d_id.b.domain = sns_cmd->p.gan_data[17];
+		fcport->d_id.b.area = sns_cmd->p.gan_data[18];
+		fcport->d_id.b.al_pa = sns_cmd->p.gan_data[19];
+
+		memcpy(fcport->node_name, &sns_cmd->p.gan_data[284], WWN_SIZE);
+		memcpy(fcport->port_name, &sns_cmd->p.gan_data[20], WWN_SIZE);
+
+		if (sns_cmd->p.gan_data[16] != NS_N_PORT_TYPE &&
+		    sns_cmd->p.gan_data[16] != NS_NL_PORT_TYPE)
+			fcport->d_id.b.domain = 0xf0;
+
+		ql_dbg(ql_dbg_disc, vha, 0x2061,
+		    "GA_NXT entry - nn %8phN pn %8phN "
+		    "port_id=%02x%02x%02x.\n",
+		    fcport->node_name, fcport->port_name,
+		    fcport->d_id.b.domain, fcport->d_id.b.area,
+		    fcport->d_id.b.al_pa);
+	}
+
+	return (rval);
+}
+
+/**
+ * qla2x00_sns_gid_pt() - SNS scan for fabric devices via GID_PT command.
+ * @vha: HA context
+ * @list: switch info entries to populate
+ *
+ * This command uses the old Exectute SNS Command mailbox routine.
+ *
+ * NOTE: Non-Nx_Ports are not requested.
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_sns_gid_pt(scsi_qla_host_t *vha, sw_info_t *list)
+{
+	int		rval;
+	struct qla_hw_data *ha = vha->hw;
+	uint16_t	i;
+	uint8_t		*entry;
+	struct sns_cmd_pkt	*sns_cmd;
+	uint16_t gid_pt_sns_data_size;
+
+	gid_pt_sns_data_size = qla2x00_gid_pt_rsp_size(vha);
+
+	/* Issue GID_PT. */
+	/* Prepare SNS command request. */
+	sns_cmd = qla2x00_prep_sns_cmd(vha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN,
+	    gid_pt_sns_data_size);
+
+	/* Prepare SNS command arguments -- port_type. */
+	sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE;
+
+	/* Execute SNS command. */
+	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, GID_PT_SNS_CMD_SIZE / 2,
+	    sizeof(struct sns_cmd_pkt));
+	if (rval != QLA_SUCCESS) {
+		/*EMPTY*/
+		ql_dbg(ql_dbg_disc, vha, 0x206d,
+		    "GID_PT Send SNS failed (%d).\n", rval);
+	} else if (sns_cmd->p.gid_data[8] != 0x80 ||
+	    sns_cmd->p.gid_data[9] != 0x02) {
+		ql_dbg(ql_dbg_disc, vha, 0x202f,
+		    "GID_PT failed, rejected request, gid_rsp:\n");
+		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2081,
+		    sns_cmd->p.gid_data, 16);
+		rval = QLA_FUNCTION_FAILED;
+	} else {
+		/* Set port IDs in switch info list. */
+		for (i = 0; i < ha->max_fibre_devices; i++) {
+			entry = &sns_cmd->p.gid_data[(i * 4) + 16];
+			list[i].d_id.b.domain = entry[1];
+			list[i].d_id.b.area = entry[2];
+			list[i].d_id.b.al_pa = entry[3];
+
+			/* Last one exit. */
+			if (entry[0] & BIT_7) {
+				list[i].d_id.b.rsvd_1 = entry[0];
+				break;
+			}
+		}
+
+		/*
+		 * If we've used all available slots, then the switch is
+		 * reporting back more devices that we can handle with this
+		 * single call.  Return a failed status, and let GA_NXT handle
+		 * the overload.
+		 */
+		if (i == ha->max_fibre_devices)
+			rval = QLA_FUNCTION_FAILED;
+	}
+
+	return (rval);
+}
+
+/**
+ * qla2x00_sns_gpn_id() - SNS Get Port Name (GPN_ID) query.
+ * @vha: HA context
+ * @list: switch info entries to populate
+ *
+ * This command uses the old Exectute SNS Command mailbox routine.
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_sns_gpn_id(scsi_qla_host_t *vha, sw_info_t *list)
+{
+	int		rval = QLA_SUCCESS;
+	struct qla_hw_data *ha = vha->hw;
+	uint16_t	i;
+	struct sns_cmd_pkt	*sns_cmd;
+
+	for (i = 0; i < ha->max_fibre_devices; i++) {
+		/* Issue GPN_ID */
+		/* Prepare SNS command request. */
+		sns_cmd = qla2x00_prep_sns_cmd(vha, GPN_ID_CMD,
+		    GPN_ID_SNS_SCMD_LEN, GPN_ID_SNS_DATA_SIZE);
+
+		/* Prepare SNS command arguments -- port_id. */
+		sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
+		sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
+		sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
+
+		/* Execute SNS command. */
+		rval = qla2x00_send_sns(vha, ha->sns_cmd_dma,
+		    GPN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
+		if (rval != QLA_SUCCESS) {
+			/*EMPTY*/
+			ql_dbg(ql_dbg_disc, vha, 0x2032,
+			    "GPN_ID Send SNS failed (%d).\n", rval);
+		} else if (sns_cmd->p.gpn_data[8] != 0x80 ||
+		    sns_cmd->p.gpn_data[9] != 0x02) {
+			ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x207e,
+			    "GPN_ID failed, rejected request, gpn_rsp:\n");
+			ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x207f,
+			    sns_cmd->p.gpn_data, 16);
+			rval = QLA_FUNCTION_FAILED;
+		} else {
+			/* Save portname */
+			memcpy(list[i].port_name, &sns_cmd->p.gpn_data[16],
+			    WWN_SIZE);
+		}
+
+		/* Last device exit. */
+		if (list[i].d_id.b.rsvd_1 != 0)
+			break;
+	}
+
+	return (rval);
+}
+
+/**
+ * qla2x00_sns_gnn_id() - SNS Get Node Name (GNN_ID) query.
+ * @vha: HA context
+ * @list: switch info entries to populate
+ *
+ * This command uses the old Exectute SNS Command mailbox routine.
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_sns_gnn_id(scsi_qla_host_t *vha, sw_info_t *list)
+{
+	int		rval = QLA_SUCCESS;
+	struct qla_hw_data *ha = vha->hw;
+	uint16_t	i;
+	struct sns_cmd_pkt	*sns_cmd;
+
+	for (i = 0; i < ha->max_fibre_devices; i++) {
+		/* Issue GNN_ID */
+		/* Prepare SNS command request. */
+		sns_cmd = qla2x00_prep_sns_cmd(vha, GNN_ID_CMD,
+		    GNN_ID_SNS_SCMD_LEN, GNN_ID_SNS_DATA_SIZE);
+
+		/* Prepare SNS command arguments -- port_id. */
+		sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
+		sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
+		sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
+
+		/* Execute SNS command. */
+		rval = qla2x00_send_sns(vha, ha->sns_cmd_dma,
+		    GNN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
+		if (rval != QLA_SUCCESS) {
+			/*EMPTY*/
+			ql_dbg(ql_dbg_disc, vha, 0x203f,
+			    "GNN_ID Send SNS failed (%d).\n", rval);
+		} else if (sns_cmd->p.gnn_data[8] != 0x80 ||
+		    sns_cmd->p.gnn_data[9] != 0x02) {
+			ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2082,
+			    "GNN_ID failed, rejected request, gnn_rsp:\n");
+			ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x207a,
+			    sns_cmd->p.gnn_data, 16);
+			rval = QLA_FUNCTION_FAILED;
+		} else {
+			/* Save nodename */
+			memcpy(list[i].node_name, &sns_cmd->p.gnn_data[16],
+			    WWN_SIZE);
+
+			ql_dbg(ql_dbg_disc, vha, 0x206e,
+			    "GID_PT entry - nn %8phN pn %8phN "
+			    "port_id=%02x%02x%02x.\n",
+			    list[i].node_name, list[i].port_name,
+			    list[i].d_id.b.domain, list[i].d_id.b.area,
+			    list[i].d_id.b.al_pa);
+		}
+
+		/* Last device exit. */
+		if (list[i].d_id.b.rsvd_1 != 0)
+			break;
+	}
+
+	return (rval);
+}
+
+/**
+ * qla2x00_snd_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
+ * @vha: HA context
+ *
+ * This command uses the old Exectute SNS Command mailbox routine.
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_sns_rft_id(scsi_qla_host_t *vha)
+{
+	int		rval;
+	struct qla_hw_data *ha = vha->hw;
+	struct sns_cmd_pkt	*sns_cmd;
+
+	/* Issue RFT_ID. */
+	/* Prepare SNS command request. */
+	sns_cmd = qla2x00_prep_sns_cmd(vha, RFT_ID_CMD, RFT_ID_SNS_SCMD_LEN,
+	    RFT_ID_SNS_DATA_SIZE);
+
+	/* Prepare SNS command arguments -- port_id, FC-4 types */
+	sns_cmd->p.cmd.param[0] = vha->d_id.b.al_pa;
+	sns_cmd->p.cmd.param[1] = vha->d_id.b.area;
+	sns_cmd->p.cmd.param[2] = vha->d_id.b.domain;
+
+	sns_cmd->p.cmd.param[5] = 0x01;			/* FCP-3 */
+
+	/* Execute SNS command. */
+	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, RFT_ID_SNS_CMD_SIZE / 2,
+	    sizeof(struct sns_cmd_pkt));
+	if (rval != QLA_SUCCESS) {
+		/*EMPTY*/
+		ql_dbg(ql_dbg_disc, vha, 0x2060,
+		    "RFT_ID Send SNS failed (%d).\n", rval);
+	} else if (sns_cmd->p.rft_data[8] != 0x80 ||
+	    sns_cmd->p.rft_data[9] != 0x02) {
+		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2083,
+		    "RFT_ID failed, rejected request rft_rsp:\n");
+		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2080,
+		    sns_cmd->p.rft_data, 16);
+		rval = QLA_FUNCTION_FAILED;
+	} else {
+		ql_dbg(ql_dbg_disc, vha, 0x2073,
+		    "RFT_ID exiting normally.\n");
+	}
+
+	return (rval);
+}
+
+/**
+ * qla2x00_sns_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
+ * @vha: HA context
+ *
+ * This command uses the old Exectute SNS Command mailbox routine.
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_sns_rnn_id(scsi_qla_host_t *vha)
+{
+	int		rval;
+	struct qla_hw_data *ha = vha->hw;
+	struct sns_cmd_pkt	*sns_cmd;
+
+	/* Issue RNN_ID. */
+	/* Prepare SNS command request. */
+	sns_cmd = qla2x00_prep_sns_cmd(vha, RNN_ID_CMD, RNN_ID_SNS_SCMD_LEN,
+	    RNN_ID_SNS_DATA_SIZE);
+
+	/* Prepare SNS command arguments -- port_id, nodename. */
+	sns_cmd->p.cmd.param[0] = vha->d_id.b.al_pa;
+	sns_cmd->p.cmd.param[1] = vha->d_id.b.area;
+	sns_cmd->p.cmd.param[2] = vha->d_id.b.domain;
+
+	sns_cmd->p.cmd.param[4] = vha->node_name[7];
+	sns_cmd->p.cmd.param[5] = vha->node_name[6];
+	sns_cmd->p.cmd.param[6] = vha->node_name[5];
+	sns_cmd->p.cmd.param[7] = vha->node_name[4];
+	sns_cmd->p.cmd.param[8] = vha->node_name[3];
+	sns_cmd->p.cmd.param[9] = vha->node_name[2];
+	sns_cmd->p.cmd.param[10] = vha->node_name[1];
+	sns_cmd->p.cmd.param[11] = vha->node_name[0];
+
+	/* Execute SNS command. */
+	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, RNN_ID_SNS_CMD_SIZE / 2,
+	    sizeof(struct sns_cmd_pkt));
+	if (rval != QLA_SUCCESS) {
+		/*EMPTY*/
+		ql_dbg(ql_dbg_disc, vha, 0x204a,
+		    "RNN_ID Send SNS failed (%d).\n", rval);
+	} else if (sns_cmd->p.rnn_data[8] != 0x80 ||
+	    sns_cmd->p.rnn_data[9] != 0x02) {
+		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x207b,
+		    "RNN_ID failed, rejected request, rnn_rsp:\n");
+		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x207c,
+		    sns_cmd->p.rnn_data, 16);
+		rval = QLA_FUNCTION_FAILED;
+	} else {
+		ql_dbg(ql_dbg_disc, vha, 0x204c,
+		    "RNN_ID exiting normally.\n");
+	}
+
+	return (rval);
+}
+
+/**
+ * qla2x00_mgmt_svr_login() - Login to fabric Management Service.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_mgmt_svr_login(scsi_qla_host_t *vha)
+{
+	int ret, rval;
+	uint16_t mb[MAILBOX_REGISTER_COUNT];
+	struct qla_hw_data *ha = vha->hw;
+	ret = QLA_SUCCESS;
+	if (vha->flags.management_server_logged_in)
+		return ret;
+
+	rval = ha->isp_ops->fabric_login(vha, vha->mgmt_svr_loop_id, 0xff, 0xff,
+	    0xfa, mb, BIT_1);
+	if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
+		if (rval == QLA_MEMORY_ALLOC_FAILED)
+			ql_dbg(ql_dbg_disc, vha, 0x2085,
+			    "Failed management_server login: loopid=%x "
+			    "rval=%d\n", vha->mgmt_svr_loop_id, rval);
+		else
+			ql_dbg(ql_dbg_disc, vha, 0x2024,
+			    "Failed management_server login: loopid=%x "
+			    "mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x.\n",
+			    vha->mgmt_svr_loop_id, mb[0], mb[1], mb[2], mb[6],
+			    mb[7]);
+		ret = QLA_FUNCTION_FAILED;
+	} else
+		vha->flags.management_server_logged_in = 1;
+
+	return ret;
+}
+
+/**
+ * qla2x00_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
+ * @vha: HA context
+ * @req_size: request size in bytes
+ * @rsp_size: response size in bytes
+ *
+ * Returns a pointer to the @ha's ms_iocb.
+ */
+void *
+qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size,
+    uint32_t rsp_size)
+{
+	ms_iocb_entry_t *ms_pkt;
+	struct qla_hw_data *ha = vha->hw;
+	ms_pkt = ha->ms_iocb;
+	memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
+
+	ms_pkt->entry_type = MS_IOCB_TYPE;
+	ms_pkt->entry_count = 1;
+	SET_TARGET_ID(ha, ms_pkt->loop_id, vha->mgmt_svr_loop_id);
+	ms_pkt->control_flags = cpu_to_le16(CF_READ | CF_HEAD_TAG);
+	ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
+	ms_pkt->cmd_dsd_count = cpu_to_le16(1);
+	ms_pkt->total_dsd_count = cpu_to_le16(2);
+	ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
+	ms_pkt->req_bytecount = cpu_to_le32(req_size);
+
+	ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
+	ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
+	ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
+
+	ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
+	ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
+	ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
+
+	return ms_pkt;
+}
+
+/**
+ * qla24xx_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
+ * @vha: HA context
+ * @req_size: request size in bytes
+ * @rsp_size: response size in bytes
+ *
+ * Returns a pointer to the @ha's ms_iocb.
+ */
+void *
+qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size,
+    uint32_t rsp_size)
+{
+	struct ct_entry_24xx *ct_pkt;
+	struct qla_hw_data *ha = vha->hw;
+
+	ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
+	memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
+
+	ct_pkt->entry_type = CT_IOCB_TYPE;
+	ct_pkt->entry_count = 1;
+	ct_pkt->nport_handle = cpu_to_le16(vha->mgmt_svr_loop_id);
+	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
+	ct_pkt->cmd_dsd_count = cpu_to_le16(1);
+	ct_pkt->rsp_dsd_count = cpu_to_le16(1);
+	ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
+	ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
+
+	ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
+	ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
+	ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
+
+	ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
+	ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
+	ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
+	ct_pkt->vp_index = vha->vp_idx;
+
+	return ct_pkt;
+}
+
+static inline ms_iocb_entry_t *
+qla2x00_update_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size)
+{
+	struct qla_hw_data *ha = vha->hw;
+	ms_iocb_entry_t *ms_pkt = ha->ms_iocb;
+	struct ct_entry_24xx *ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
+
+	if (IS_FWI2_CAPABLE(ha)) {
+		ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
+		ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
+	} else {
+		ms_pkt->req_bytecount = cpu_to_le32(req_size);
+		ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
+	}
+
+	return ms_pkt;
+}
+
+/**
+ * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
+ * @p: CT request buffer
+ * @cmd: GS command
+ * @rsp_size: response size in bytes
+ *
+ * Returns a pointer to the intitialized @ct_req.
+ */
+static inline struct ct_sns_req *
+qla2x00_prep_ct_fdmi_req(struct ct_sns_pkt *p, uint16_t cmd,
+    uint16_t rsp_size)
+{
+	memset(p, 0, sizeof(struct ct_sns_pkt));
+
+	p->p.req.header.revision = 0x01;
+	p->p.req.header.gs_type = 0xFA;
+	p->p.req.header.gs_subtype = 0x10;
+	p->p.req.command = cpu_to_be16(cmd);
+	p->p.req.max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
+
+	return &p->p.req;
+}
+
+/**
+ * qla2x00_fdmi_rhba() - perform RHBA FDMI registration
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_fdmi_rhba(scsi_qla_host_t *vha)
+{
+	int rval, alen;
+	uint32_t size, sn;
+
+	ms_iocb_entry_t *ms_pkt;
+	struct ct_sns_req *ct_req;
+	struct ct_sns_rsp *ct_rsp;
+	void *entries;
+	struct ct_fdmi_hba_attr *eiter;
+	struct qla_hw_data *ha = vha->hw;
+
+	/* Issue RHBA */
+	/* Prepare common MS IOCB */
+	/*   Request size adjusted after CT preparation */
+	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, RHBA_RSP_SIZE);
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RHBA_CMD, RHBA_RSP_SIZE);
+	ct_rsp = &ha->ct_sns->p.rsp;
+
+	/* Prepare FDMI command arguments -- attribute block, attributes. */
+	memcpy(ct_req->req.rhba.hba_identifier, vha->port_name, WWN_SIZE);
+	ct_req->req.rhba.entry_count = cpu_to_be32(1);
+	memcpy(ct_req->req.rhba.port_name, vha->port_name, WWN_SIZE);
+	size = 2 * WWN_SIZE + 4 + 4;
+
+	/* Attributes */
+	ct_req->req.rhba.attrs.count =
+	    cpu_to_be32(FDMI_HBA_ATTR_COUNT);
+	entries = ct_req->req.rhba.hba_identifier;
+
+	/* Nodename. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_NODE_NAME);
+	eiter->len = cpu_to_be16(4 + WWN_SIZE);
+	memcpy(eiter->a.node_name, vha->node_name, WWN_SIZE);
+	size += 4 + WWN_SIZE;
+
+	ql_dbg(ql_dbg_disc, vha, 0x2025,
+	    "NodeName = %8phN.\n", eiter->a.node_name);
+
+	/* Manufacturer. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_MANUFACTURER);
+	alen = strlen(QLA2XXX_MANUFACTURER);
+	snprintf(eiter->a.manufacturer, sizeof(eiter->a.manufacturer),
+	    "%s", "QLogic Corporation");
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x2026,
+	    "Manufacturer = %s.\n", eiter->a.manufacturer);
+
+	/* Serial number. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_SERIAL_NUMBER);
+	if (IS_FWI2_CAPABLE(ha))
+		qla2xxx_get_vpd_field(vha, "SN", eiter->a.serial_num,
+		    sizeof(eiter->a.serial_num));
+	else {
+		sn = ((ha->serial0 & 0x1f) << 16) |
+			(ha->serial2 << 8) | ha->serial1;
+		snprintf(eiter->a.serial_num, sizeof(eiter->a.serial_num),
+		    "%c%05d", 'A' + sn / 100000, sn % 100000);
+	}
+	alen = strlen(eiter->a.serial_num);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x2027,
+	    "Serial no. = %s.\n", eiter->a.serial_num);
+
+	/* Model name. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_MODEL);
+	snprintf(eiter->a.model, sizeof(eiter->a.model),
+	    "%s", ha->model_number);
+	alen = strlen(eiter->a.model);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x2028,
+	    "Model Name = %s.\n", eiter->a.model);
+
+	/* Model description. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_MODEL_DESCRIPTION);
+	snprintf(eiter->a.model_desc, sizeof(eiter->a.model_desc),
+	    "%s", ha->model_desc);
+	alen = strlen(eiter->a.model_desc);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x2029,
+	    "Model Desc = %s.\n", eiter->a.model_desc);
+
+	/* Hardware version. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_HARDWARE_VERSION);
+	if (!IS_FWI2_CAPABLE(ha)) {
+		snprintf(eiter->a.hw_version, sizeof(eiter->a.hw_version),
+		    "HW:%s", ha->adapter_id);
+	} else if (qla2xxx_get_vpd_field(vha, "MN", eiter->a.hw_version,
+		    sizeof(eiter->a.hw_version))) {
+		;
+	} else if (qla2xxx_get_vpd_field(vha, "EC", eiter->a.hw_version,
+		    sizeof(eiter->a.hw_version))) {
+		;
+	} else {
+		snprintf(eiter->a.hw_version, sizeof(eiter->a.hw_version),
+		    "HW:%s", ha->adapter_id);
+	}
+	alen = strlen(eiter->a.hw_version);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x202a,
+	    "Hardware ver = %s.\n", eiter->a.hw_version);
+
+	/* Driver version. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_DRIVER_VERSION);
+	snprintf(eiter->a.driver_version, sizeof(eiter->a.driver_version),
+	    "%s", qla2x00_version_str);
+	alen = strlen(eiter->a.driver_version);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x202b,
+	    "Driver ver = %s.\n", eiter->a.driver_version);
+
+	/* Option ROM version. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
+	snprintf(eiter->a.orom_version, sizeof(eiter->a.orom_version),
+	    "%d.%02d", ha->bios_revision[1], ha->bios_revision[0]);
+	alen = strlen(eiter->a.orom_version);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha , 0x202c,
+	    "Optrom vers = %s.\n", eiter->a.orom_version);
+
+	/* Firmware version */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_FIRMWARE_VERSION);
+	ha->isp_ops->fw_version_str(vha, eiter->a.fw_version,
+	    sizeof(eiter->a.fw_version));
+	alen = strlen(eiter->a.fw_version);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x202d,
+	    "Firmware vers = %s.\n", eiter->a.fw_version);
+
+	/* Update MS request size. */
+	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
+
+	ql_dbg(ql_dbg_disc, vha, 0x202e,
+	    "RHBA identifier = %8phN size=%d.\n",
+	    ct_req->req.rhba.hba_identifier, size);
+	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2076,
+	    entries, size);
+
+	/* Execute MS IOCB */
+	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
+	    sizeof(ms_iocb_entry_t));
+	if (rval != QLA_SUCCESS) {
+		/*EMPTY*/
+		ql_dbg(ql_dbg_disc, vha, 0x2030,
+		    "RHBA issue IOCB failed (%d).\n", rval);
+	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RHBA") !=
+	    QLA_SUCCESS) {
+		rval = QLA_FUNCTION_FAILED;
+		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
+		    ct_rsp->header.explanation_code ==
+		    CT_EXPL_ALREADY_REGISTERED) {
+			ql_dbg(ql_dbg_disc, vha, 0x2034,
+			    "HBA already registered.\n");
+			rval = QLA_ALREADY_REGISTERED;
+		} else {
+			ql_dbg(ql_dbg_disc, vha, 0x20ad,
+			    "RHBA FDMI registration failed, CT Reason code: 0x%x, CT Explanation 0x%x\n",
+			    ct_rsp->header.reason_code,
+			    ct_rsp->header.explanation_code);
+		}
+	} else {
+		ql_dbg(ql_dbg_disc, vha, 0x2035,
+		    "RHBA exiting normally.\n");
+	}
+
+	return rval;
+}
+
+/**
+ * qla2x00_fdmi_rpa() - perform RPA registration
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_fdmi_rpa(scsi_qla_host_t *vha)
+{
+	int rval, alen;
+	uint32_t size;
+	struct qla_hw_data *ha = vha->hw;
+	ms_iocb_entry_t *ms_pkt;
+	struct ct_sns_req *ct_req;
+	struct ct_sns_rsp *ct_rsp;
+	void *entries;
+	struct ct_fdmi_port_attr *eiter;
+	struct init_cb_24xx *icb24 = (struct init_cb_24xx *)ha->init_cb;
+	struct new_utsname *p_sysid = NULL;
+
+	/* Issue RPA */
+	/* Prepare common MS IOCB */
+	/*   Request size adjusted after CT preparation */
+	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, RPA_RSP_SIZE);
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RPA_CMD,
+	    RPA_RSP_SIZE);
+	ct_rsp = &ha->ct_sns->p.rsp;
+
+	/* Prepare FDMI command arguments -- attribute block, attributes. */
+	memcpy(ct_req->req.rpa.port_name, vha->port_name, WWN_SIZE);
+	size = WWN_SIZE + 4;
+
+	/* Attributes */
+	ct_req->req.rpa.attrs.count = cpu_to_be32(FDMI_PORT_ATTR_COUNT);
+	entries = ct_req->req.rpa.port_name;
+
+	/* FC4 types. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_FC4_TYPES);
+	eiter->len = cpu_to_be16(4 + 32);
+	eiter->a.fc4_types[2] = 0x01;
+	size += 4 + 32;
+
+	ql_dbg(ql_dbg_disc, vha, 0x2039,
+	    "FC4_TYPES=%02x %02x.\n",
+	    eiter->a.fc4_types[2],
+	    eiter->a.fc4_types[1]);
+
+	/* Supported speed. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
+	eiter->len = cpu_to_be16(4 + 4);
+	if (IS_CNA_CAPABLE(ha))
+		eiter->a.sup_speed = cpu_to_be32(
+		    FDMI_PORT_SPEED_10GB);
+	else if (IS_QLA27XX(ha))
+		eiter->a.sup_speed = cpu_to_be32(
+		    FDMI_PORT_SPEED_32GB|
+		    FDMI_PORT_SPEED_16GB|
+		    FDMI_PORT_SPEED_8GB);
+	else if (IS_QLA2031(ha))
+		eiter->a.sup_speed = cpu_to_be32(
+		    FDMI_PORT_SPEED_16GB|
+		    FDMI_PORT_SPEED_8GB|
+		    FDMI_PORT_SPEED_4GB);
+	else if (IS_QLA25XX(ha))
+		eiter->a.sup_speed = cpu_to_be32(
+		    FDMI_PORT_SPEED_8GB|
+		    FDMI_PORT_SPEED_4GB|
+		    FDMI_PORT_SPEED_2GB|
+		    FDMI_PORT_SPEED_1GB);
+	else if (IS_QLA24XX_TYPE(ha))
+		eiter->a.sup_speed = cpu_to_be32(
+		    FDMI_PORT_SPEED_4GB|
+		    FDMI_PORT_SPEED_2GB|
+		    FDMI_PORT_SPEED_1GB);
+	else if (IS_QLA23XX(ha))
+		eiter->a.sup_speed = cpu_to_be32(
+		    FDMI_PORT_SPEED_2GB|
+		    FDMI_PORT_SPEED_1GB);
+	else
+		eiter->a.sup_speed = cpu_to_be32(
+		    FDMI_PORT_SPEED_1GB);
+	size += 4 + 4;
+
+	ql_dbg(ql_dbg_disc, vha, 0x203a,
+	    "Supported_Speed=%x.\n", eiter->a.sup_speed);
+
+	/* Current speed. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
+	eiter->len = cpu_to_be16(4 + 4);
+	switch (ha->link_data_rate) {
+	case PORT_SPEED_1GB:
+		eiter->a.cur_speed =
+		    cpu_to_be32(FDMI_PORT_SPEED_1GB);
+		break;
+	case PORT_SPEED_2GB:
+		eiter->a.cur_speed =
+		    cpu_to_be32(FDMI_PORT_SPEED_2GB);
+		break;
+	case PORT_SPEED_4GB:
+		eiter->a.cur_speed =
+		    cpu_to_be32(FDMI_PORT_SPEED_4GB);
+		break;
+	case PORT_SPEED_8GB:
+		eiter->a.cur_speed =
+		    cpu_to_be32(FDMI_PORT_SPEED_8GB);
+		break;
+	case PORT_SPEED_10GB:
+		eiter->a.cur_speed =
+		    cpu_to_be32(FDMI_PORT_SPEED_10GB);
+		break;
+	case PORT_SPEED_16GB:
+		eiter->a.cur_speed =
+		    cpu_to_be32(FDMI_PORT_SPEED_16GB);
+		break;
+	case PORT_SPEED_32GB:
+		eiter->a.cur_speed =
+		    cpu_to_be32(FDMI_PORT_SPEED_32GB);
+		break;
+	default:
+		eiter->a.cur_speed =
+		    cpu_to_be32(FDMI_PORT_SPEED_UNKNOWN);
+		break;
+	}
+	size += 4 + 4;
+
+	ql_dbg(ql_dbg_disc, vha, 0x203b,
+	    "Current_Speed=%x.\n", eiter->a.cur_speed);
+
+	/* Max frame size. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
+	eiter->len = cpu_to_be16(4 + 4);
+	eiter->a.max_frame_size = IS_FWI2_CAPABLE(ha) ?
+	    le16_to_cpu(icb24->frame_payload_size) :
+	    le16_to_cpu(ha->init_cb->frame_payload_size);
+	eiter->a.max_frame_size = cpu_to_be32(eiter->a.max_frame_size);
+	size += 4 + 4;
+
+	ql_dbg(ql_dbg_disc, vha, 0x203c,
+	    "Max_Frame_Size=%x.\n", eiter->a.max_frame_size);
+
+	/* OS device name. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
+	snprintf(eiter->a.os_dev_name, sizeof(eiter->a.os_dev_name),
+	    "%s:host%lu", QLA2XXX_DRIVER_NAME, vha->host_no);
+	alen = strlen(eiter->a.os_dev_name);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x204b,
+	    "OS_Device_Name=%s.\n", eiter->a.os_dev_name);
+
+	/* Hostname. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_HOST_NAME);
+	p_sysid = utsname();
+	if (p_sysid) {
+		snprintf(eiter->a.host_name, sizeof(eiter->a.host_name),
+		    "%s", p_sysid->nodename);
+	} else {
+		snprintf(eiter->a.host_name, sizeof(eiter->a.host_name),
+		    "%s", fc_host_system_hostname(vha->host));
+	}
+	alen = strlen(eiter->a.host_name);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x203d, "HostName=%s.\n", eiter->a.host_name);
+
+	/* Update MS request size. */
+	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
+
+	ql_dbg(ql_dbg_disc, vha, 0x203e,
+	    "RPA portname  %016llx, size = %d.\n",
+	    wwn_to_u64(ct_req->req.rpa.port_name), size);
+	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2079,
+	    entries, size);
+
+	/* Execute MS IOCB */
+	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
+	    sizeof(ms_iocb_entry_t));
+	if (rval != QLA_SUCCESS) {
+		/*EMPTY*/
+		ql_dbg(ql_dbg_disc, vha, 0x2040,
+		    "RPA issue IOCB failed (%d).\n", rval);
+	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RPA") !=
+	    QLA_SUCCESS) {
+		rval = QLA_FUNCTION_FAILED;
+		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
+		    ct_rsp->header.explanation_code ==
+		    CT_EXPL_ALREADY_REGISTERED) {
+			ql_dbg(ql_dbg_disc, vha, 0x20cd,
+			    "RPA already registered.\n");
+			rval = QLA_ALREADY_REGISTERED;
+		}
+
+	} else {
+		ql_dbg(ql_dbg_disc, vha, 0x2041,
+		    "RPA exiting normally.\n");
+	}
+
+	return rval;
+}
+
+/**
+ * qla2x00_fdmiv2_rhba() - perform RHBA FDMI v2 registration
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_fdmiv2_rhba(scsi_qla_host_t *vha)
+{
+	int rval, alen;
+	uint32_t size, sn;
+	ms_iocb_entry_t *ms_pkt;
+	struct ct_sns_req *ct_req;
+	struct ct_sns_rsp *ct_rsp;
+	void *entries;
+	struct ct_fdmiv2_hba_attr *eiter;
+	struct qla_hw_data *ha = vha->hw;
+	struct new_utsname *p_sysid = NULL;
+
+	/* Issue RHBA */
+	/* Prepare common MS IOCB */
+	/*   Request size adjusted after CT preparation */
+	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, RHBA_RSP_SIZE);
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RHBA_CMD,
+	    RHBA_RSP_SIZE);
+	ct_rsp = &ha->ct_sns->p.rsp;
+
+	/* Prepare FDMI command arguments -- attribute block, attributes. */
+	memcpy(ct_req->req.rhba2.hba_identifier, vha->port_name, WWN_SIZE);
+	ct_req->req.rhba2.entry_count = cpu_to_be32(1);
+	memcpy(ct_req->req.rhba2.port_name, vha->port_name, WWN_SIZE);
+	size = 2 * WWN_SIZE + 4 + 4;
+
+	/* Attributes */
+	ct_req->req.rhba2.attrs.count = cpu_to_be32(FDMIV2_HBA_ATTR_COUNT);
+	entries = ct_req->req.rhba2.hba_identifier;
+
+	/* Nodename. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_NODE_NAME);
+	eiter->len = cpu_to_be16(4 + WWN_SIZE);
+	memcpy(eiter->a.node_name, vha->node_name, WWN_SIZE);
+	size += 4 + WWN_SIZE;
+
+	ql_dbg(ql_dbg_disc, vha, 0x207d,
+	    "NodeName = %016llx.\n", wwn_to_u64(eiter->a.node_name));
+
+	/* Manufacturer. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_MANUFACTURER);
+	snprintf(eiter->a.manufacturer, sizeof(eiter->a.manufacturer),
+	    "%s", "QLogic Corporation");
+	eiter->a.manufacturer[strlen("QLogic Corporation")] = '\0';
+	alen = strlen(eiter->a.manufacturer);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20a5,
+	    "Manufacturer = %s.\n", eiter->a.manufacturer);
+
+	/* Serial number. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_SERIAL_NUMBER);
+	if (IS_FWI2_CAPABLE(ha))
+		qla2xxx_get_vpd_field(vha, "SN", eiter->a.serial_num,
+		    sizeof(eiter->a.serial_num));
+	else {
+		sn = ((ha->serial0 & 0x1f) << 16) |
+			(ha->serial2 << 8) | ha->serial1;
+		snprintf(eiter->a.serial_num, sizeof(eiter->a.serial_num),
+		    "%c%05d", 'A' + sn / 100000, sn % 100000);
+	}
+	alen = strlen(eiter->a.serial_num);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20a6,
+	    "Serial no. = %s.\n", eiter->a.serial_num);
+
+	/* Model name. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_MODEL);
+	snprintf(eiter->a.model, sizeof(eiter->a.model),
+	    "%s", ha->model_number);
+	alen = strlen(eiter->a.model);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20a7,
+	    "Model Name = %s.\n", eiter->a.model);
+
+	/* Model description. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_MODEL_DESCRIPTION);
+	snprintf(eiter->a.model_desc, sizeof(eiter->a.model_desc),
+	    "%s", ha->model_desc);
+	alen = strlen(eiter->a.model_desc);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20a8,
+	    "Model Desc = %s.\n", eiter->a.model_desc);
+
+	/* Hardware version. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_HARDWARE_VERSION);
+	if (!IS_FWI2_CAPABLE(ha)) {
+		snprintf(eiter->a.hw_version, sizeof(eiter->a.hw_version),
+		    "HW:%s", ha->adapter_id);
+	} else if (qla2xxx_get_vpd_field(vha, "MN", eiter->a.hw_version,
+		    sizeof(eiter->a.hw_version))) {
+		;
+	} else if (qla2xxx_get_vpd_field(vha, "EC", eiter->a.hw_version,
+		    sizeof(eiter->a.hw_version))) {
+		;
+	} else {
+		snprintf(eiter->a.hw_version, sizeof(eiter->a.hw_version),
+		    "HW:%s", ha->adapter_id);
+	}
+	alen = strlen(eiter->a.hw_version);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20a9,
+	    "Hardware ver = %s.\n", eiter->a.hw_version);
+
+	/* Driver version. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_DRIVER_VERSION);
+	snprintf(eiter->a.driver_version, sizeof(eiter->a.driver_version),
+	    "%s", qla2x00_version_str);
+	alen = strlen(eiter->a.driver_version);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20aa,
+	    "Driver ver = %s.\n", eiter->a.driver_version);
+
+	/* Option ROM version. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
+	snprintf(eiter->a.orom_version, sizeof(eiter->a.orom_version),
+	    "%d.%02d", ha->bios_revision[1], ha->bios_revision[0]);
+	alen = strlen(eiter->a.orom_version);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha , 0x20ab,
+	    "Optrom version = %d.%02d.\n", eiter->a.orom_version[1],
+	    eiter->a.orom_version[0]);
+
+	/* Firmware version */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_FIRMWARE_VERSION);
+	ha->isp_ops->fw_version_str(vha, eiter->a.fw_version,
+	    sizeof(eiter->a.fw_version));
+	alen = strlen(eiter->a.fw_version);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20ac,
+	    "Firmware vers = %s.\n", eiter->a.fw_version);
+
+	/* OS Name and Version */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_OS_NAME_AND_VERSION);
+	p_sysid = utsname();
+	if (p_sysid) {
+		snprintf(eiter->a.os_version, sizeof(eiter->a.os_version),
+		    "%s %s %s",
+		    p_sysid->sysname, p_sysid->release, p_sysid->version);
+	} else {
+		snprintf(eiter->a.os_version, sizeof(eiter->a.os_version),
+		    "%s %s", "Linux", fc_host_system_hostname(vha->host));
+	}
+	alen = strlen(eiter->a.os_version);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20ae,
+	    "OS Name and Version = %s.\n", eiter->a.os_version);
+
+	/* MAX CT Payload Length */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_MAXIMUM_CT_PAYLOAD_LENGTH);
+	eiter->a.max_ct_len = cpu_to_be32(ha->frame_payload_size);
+	eiter->a.max_ct_len = cpu_to_be32(eiter->a.max_ct_len);
+	eiter->len = cpu_to_be16(4 + 4);
+	size += 4 + 4;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20af,
+	    "CT Payload Length = 0x%x.\n", eiter->a.max_ct_len);
+
+	/* Node Sybolic Name */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_NODE_SYMBOLIC_NAME);
+	qla2x00_get_sym_node_name(vha, eiter->a.sym_name,
+	    sizeof(eiter->a.sym_name));
+	alen = strlen(eiter->a.sym_name);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20b0,
+	    "Symbolic Name = %s.\n", eiter->a.sym_name);
+
+	/* Vendor Id */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_VENDOR_ID);
+	eiter->a.vendor_id = cpu_to_be32(0x1077);
+	eiter->len = cpu_to_be16(4 + 4);
+	size += 4 + 4;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20b1,
+	    "Vendor Id = %x.\n", eiter->a.vendor_id);
+
+	/* Num Ports */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_NUM_PORTS);
+	eiter->a.num_ports = cpu_to_be32(1);
+	eiter->len = cpu_to_be16(4 + 4);
+	size += 4 + 4;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20b2,
+	    "Port Num = %x.\n", eiter->a.num_ports);
+
+	/* Fabric Name */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_FABRIC_NAME);
+	memcpy(eiter->a.fabric_name, vha->fabric_node_name, WWN_SIZE);
+	eiter->len = cpu_to_be16(4 + WWN_SIZE);
+	size += 4 + WWN_SIZE;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20b3,
+	    "Fabric Name = %016llx.\n", wwn_to_u64(eiter->a.fabric_name));
+
+	/* BIOS Version */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_BOOT_BIOS_NAME);
+	snprintf(eiter->a.bios_name, sizeof(eiter->a.bios_name),
+	    "BIOS %d.%02d", ha->bios_revision[1], ha->bios_revision[0]);
+	alen = strlen(eiter->a.bios_name);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20b4,
+	    "BIOS Name = %s\n", eiter->a.bios_name);
+
+	/* Vendor Identifier */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_HBA_TYPE_VENDOR_IDENTIFIER);
+	snprintf(eiter->a.vendor_identifier, sizeof(eiter->a.vendor_identifier),
+	    "%s", "QLGC");
+	alen = strlen(eiter->a.vendor_identifier);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x201b,
+	    "Vendor Identifier = %s.\n", eiter->a.vendor_identifier);
+
+	/* Update MS request size. */
+	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
+
+	ql_dbg(ql_dbg_disc, vha, 0x20b5,
+	    "RHBA identifier = %016llx.\n",
+	    wwn_to_u64(ct_req->req.rhba2.hba_identifier));
+	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x20b6,
+	    entries, size);
+
+	/* Execute MS IOCB */
+	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
+	    sizeof(ms_iocb_entry_t));
+	if (rval != QLA_SUCCESS) {
+		/*EMPTY*/
+		ql_dbg(ql_dbg_disc, vha, 0x20b7,
+		    "RHBA issue IOCB failed (%d).\n", rval);
+	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RHBA") !=
+	    QLA_SUCCESS) {
+		rval = QLA_FUNCTION_FAILED;
+
+		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
+		    ct_rsp->header.explanation_code ==
+		    CT_EXPL_ALREADY_REGISTERED) {
+			ql_dbg(ql_dbg_disc, vha, 0x20b8,
+			    "HBA already registered.\n");
+			rval = QLA_ALREADY_REGISTERED;
+		} else {
+			ql_dbg(ql_dbg_disc, vha, 0x2016,
+			    "RHBA FDMI v2 failed, CT Reason code: 0x%x, CT Explanation 0x%x\n",
+			    ct_rsp->header.reason_code,
+			    ct_rsp->header.explanation_code);
+		}
+	} else {
+		ql_dbg(ql_dbg_disc, vha, 0x20b9,
+		    "RHBA FDMI V2 exiting normally.\n");
+	}
+
+	return rval;
+}
+
+/**
+ * qla2x00_fdmi_dhba() -
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_fdmi_dhba(scsi_qla_host_t *vha)
+{
+	int rval;
+	struct qla_hw_data *ha = vha->hw;
+	ms_iocb_entry_t *ms_pkt;
+	struct ct_sns_req *ct_req;
+	struct ct_sns_rsp *ct_rsp;
+
+	/* Issue RPA */
+	/* Prepare common MS IOCB */
+	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, DHBA_REQ_SIZE,
+	    DHBA_RSP_SIZE);
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, DHBA_CMD, DHBA_RSP_SIZE);
+	ct_rsp = &ha->ct_sns->p.rsp;
+
+	/* Prepare FDMI command arguments -- portname. */
+	memcpy(ct_req->req.dhba.port_name, vha->port_name, WWN_SIZE);
+
+	ql_dbg(ql_dbg_disc, vha, 0x2036,
+	    "DHBA portname = %8phN.\n", ct_req->req.dhba.port_name);
+
+	/* Execute MS IOCB */
+	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
+	    sizeof(ms_iocb_entry_t));
+	if (rval != QLA_SUCCESS) {
+		/*EMPTY*/
+		ql_dbg(ql_dbg_disc, vha, 0x2037,
+		    "DHBA issue IOCB failed (%d).\n", rval);
+	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "DHBA") !=
+	    QLA_SUCCESS) {
+		rval = QLA_FUNCTION_FAILED;
+	} else {
+		ql_dbg(ql_dbg_disc, vha, 0x2038,
+		    "DHBA exiting normally.\n");
+	}
+
+	return rval;
+}
+
+/**
+ * qla2x00_fdmiv2_rpa() -
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_fdmiv2_rpa(scsi_qla_host_t *vha)
+{
+	int rval, alen;
+	uint32_t size;
+	struct qla_hw_data *ha = vha->hw;
+	ms_iocb_entry_t *ms_pkt;
+	struct ct_sns_req *ct_req;
+	struct ct_sns_rsp *ct_rsp;
+	void *entries;
+	struct ct_fdmiv2_port_attr *eiter;
+	struct init_cb_24xx *icb24 = (struct init_cb_24xx *)ha->init_cb;
+	struct new_utsname *p_sysid = NULL;
+
+	/* Issue RPA */
+	/* Prepare common MS IOCB */
+	/*   Request size adjusted after CT preparation */
+	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, RPA_RSP_SIZE);
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RPA_CMD, RPA_RSP_SIZE);
+	ct_rsp = &ha->ct_sns->p.rsp;
+
+	/* Prepare FDMI command arguments -- attribute block, attributes. */
+	memcpy(ct_req->req.rpa2.port_name, vha->port_name, WWN_SIZE);
+	size = WWN_SIZE + 4;
+
+	/* Attributes */
+	ct_req->req.rpa2.attrs.count = cpu_to_be32(FDMIV2_PORT_ATTR_COUNT);
+	entries = ct_req->req.rpa2.port_name;
+
+	/* FC4 types. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_FC4_TYPES);
+	eiter->len = cpu_to_be16(4 + 32);
+	eiter->a.fc4_types[2] = 0x01;
+	size += 4 + 32;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20ba,
+	    "FC4_TYPES=%02x %02x.\n",
+	    eiter->a.fc4_types[2],
+	    eiter->a.fc4_types[1]);
+
+	if (vha->flags.nvme_enabled) {
+		eiter->a.fc4_types[6] = 1;	/* NVMe type 28h */
+		ql_dbg(ql_dbg_disc, vha, 0x211f,
+		    "NVME FC4 Type = %02x 0x0 0x0 0x0 0x0 0x0.\n",
+		    eiter->a.fc4_types[6]);
+	}
+
+	/* Supported speed. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
+	eiter->len = cpu_to_be16(4 + 4);
+	if (IS_CNA_CAPABLE(ha))
+		eiter->a.sup_speed = cpu_to_be32(
+		    FDMI_PORT_SPEED_10GB);
+	else if (IS_QLA27XX(ha))
+		eiter->a.sup_speed = cpu_to_be32(
+		    FDMI_PORT_SPEED_32GB|
+		    FDMI_PORT_SPEED_16GB|
+		    FDMI_PORT_SPEED_8GB);
+	else if (IS_QLA2031(ha))
+		eiter->a.sup_speed = cpu_to_be32(
+		    FDMI_PORT_SPEED_16GB|
+		    FDMI_PORT_SPEED_8GB|
+		    FDMI_PORT_SPEED_4GB);
+	else if (IS_QLA25XX(ha))
+		eiter->a.sup_speed = cpu_to_be32(
+		    FDMI_PORT_SPEED_8GB|
+		    FDMI_PORT_SPEED_4GB|
+		    FDMI_PORT_SPEED_2GB|
+		    FDMI_PORT_SPEED_1GB);
+	else if (IS_QLA24XX_TYPE(ha))
+		eiter->a.sup_speed = cpu_to_be32(
+		    FDMI_PORT_SPEED_4GB|
+		    FDMI_PORT_SPEED_2GB|
+		    FDMI_PORT_SPEED_1GB);
+	else if (IS_QLA23XX(ha))
+		eiter->a.sup_speed = cpu_to_be32(
+		    FDMI_PORT_SPEED_2GB|
+		    FDMI_PORT_SPEED_1GB);
+	else
+		eiter->a.sup_speed = cpu_to_be32(
+		    FDMI_PORT_SPEED_1GB);
+	size += 4 + 4;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20bb,
+	    "Supported Port Speed = %x.\n", eiter->a.sup_speed);
+
+	/* Current speed. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
+	eiter->len = cpu_to_be16(4 + 4);
+	switch (ha->link_data_rate) {
+	case PORT_SPEED_1GB:
+		eiter->a.cur_speed = cpu_to_be32(FDMI_PORT_SPEED_1GB);
+		break;
+	case PORT_SPEED_2GB:
+		eiter->a.cur_speed = cpu_to_be32(FDMI_PORT_SPEED_2GB);
+		break;
+	case PORT_SPEED_4GB:
+		eiter->a.cur_speed = cpu_to_be32(FDMI_PORT_SPEED_4GB);
+		break;
+	case PORT_SPEED_8GB:
+		eiter->a.cur_speed = cpu_to_be32(FDMI_PORT_SPEED_8GB);
+		break;
+	case PORT_SPEED_10GB:
+		eiter->a.cur_speed = cpu_to_be32(FDMI_PORT_SPEED_10GB);
+		break;
+	case PORT_SPEED_16GB:
+		eiter->a.cur_speed = cpu_to_be32(FDMI_PORT_SPEED_16GB);
+		break;
+	case PORT_SPEED_32GB:
+		eiter->a.cur_speed = cpu_to_be32(FDMI_PORT_SPEED_32GB);
+		break;
+	default:
+		eiter->a.cur_speed = cpu_to_be32(FDMI_PORT_SPEED_UNKNOWN);
+		break;
+	}
+	size += 4 + 4;
+
+	ql_dbg(ql_dbg_disc, vha, 0x2017,
+	    "Current_Speed = %x.\n", eiter->a.cur_speed);
+
+	/* Max frame size. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
+	eiter->len = cpu_to_be16(4 + 4);
+	eiter->a.max_frame_size = IS_FWI2_CAPABLE(ha) ?
+	    le16_to_cpu(icb24->frame_payload_size):
+	    le16_to_cpu(ha->init_cb->frame_payload_size);
+	eiter->a.max_frame_size = cpu_to_be32(eiter->a.max_frame_size);
+	size += 4 + 4;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20bc,
+	    "Max_Frame_Size = %x.\n", eiter->a.max_frame_size);
+
+	/* OS device name. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
+	alen = strlen(QLA2XXX_DRIVER_NAME);
+	snprintf(eiter->a.os_dev_name, sizeof(eiter->a.os_dev_name),
+	    "%s:host%lu", QLA2XXX_DRIVER_NAME, vha->host_no);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20be,
+	    "OS_Device_Name = %s.\n", eiter->a.os_dev_name);
+
+	/* Hostname. */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_HOST_NAME);
+	p_sysid = utsname();
+	if (p_sysid) {
+		snprintf(eiter->a.host_name, sizeof(eiter->a.host_name),
+		    "%s", p_sysid->nodename);
+	} else {
+		snprintf(eiter->a.host_name, sizeof(eiter->a.host_name),
+		    "%s", fc_host_system_hostname(vha->host));
+	}
+	alen = strlen(eiter->a.host_name);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x201a,
+	    "HostName=%s.\n", eiter->a.host_name);
+
+	/* Node Name */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_NODE_NAME);
+	memcpy(eiter->a.node_name, vha->node_name, WWN_SIZE);
+	eiter->len = cpu_to_be16(4 + WWN_SIZE);
+	size += 4 + WWN_SIZE;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20c0,
+	    "Node Name = %016llx.\n", wwn_to_u64(eiter->a.node_name));
+
+	/* Port Name */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_NAME);
+	memcpy(eiter->a.port_name, vha->port_name, WWN_SIZE);
+	eiter->len = cpu_to_be16(4 + WWN_SIZE);
+	size += 4 + WWN_SIZE;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20c1,
+	    "Port Name = %016llx.\n", wwn_to_u64(eiter->a.port_name));
+
+	/* Port Symbolic Name */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_SYM_NAME);
+	qla2x00_get_sym_node_name(vha, eiter->a.port_sym_name,
+	    sizeof(eiter->a.port_sym_name));
+	alen = strlen(eiter->a.port_sym_name);
+	alen += 4 - (alen & 3);
+	eiter->len = cpu_to_be16(4 + alen);
+	size += 4 + alen;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20c2,
+	    "port symbolic name = %s\n", eiter->a.port_sym_name);
+
+	/* Port Type */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_TYPE);
+	eiter->a.port_type = cpu_to_be32(NS_NX_PORT_TYPE);
+	eiter->len = cpu_to_be16(4 + 4);
+	size += 4 + 4;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20c3,
+	    "Port Type = %x.\n", eiter->a.port_type);
+
+	/* Class of Service  */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_SUPP_COS);
+	eiter->a.port_supported_cos = cpu_to_be32(FC_CLASS_3);
+	eiter->len = cpu_to_be16(4 + 4);
+	size += 4 + 4;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20c4,
+	    "Supported COS = %08x\n", eiter->a.port_supported_cos);
+
+	/* Port Fabric Name */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_FABRIC_NAME);
+	memcpy(eiter->a.fabric_name, vha->fabric_node_name, WWN_SIZE);
+	eiter->len = cpu_to_be16(4 + WWN_SIZE);
+	size += 4 + WWN_SIZE;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20c5,
+	    "Fabric Name = %016llx.\n", wwn_to_u64(eiter->a.fabric_name));
+
+	/* FC4_type */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_FC4_TYPE);
+	eiter->a.port_fc4_type[0] = 0;
+	eiter->a.port_fc4_type[1] = 0;
+	eiter->a.port_fc4_type[2] = 1;
+	eiter->a.port_fc4_type[3] = 0;
+	eiter->len = cpu_to_be16(4 + 32);
+	size += 4 + 32;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20c6,
+	    "Port Active FC4 Type = %02x %02x.\n",
+	    eiter->a.port_fc4_type[2], eiter->a.port_fc4_type[1]);
+
+	if (vha->flags.nvme_enabled) {
+		eiter->a.port_fc4_type[4] = 0;
+		eiter->a.port_fc4_type[5] = 0;
+		eiter->a.port_fc4_type[6] = 1;	/* NVMe type 28h */
+		ql_dbg(ql_dbg_disc, vha, 0x2120,
+		    "NVME Port Active FC4 Type = %02x 0x0 0x0 0x0 0x0 0x0.\n",
+		    eiter->a.port_fc4_type[6]);
+	}
+
+	/* Port State */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_STATE);
+	eiter->a.port_state = cpu_to_be32(1);
+	eiter->len = cpu_to_be16(4 + 4);
+	size += 4 + 4;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20c7,
+	    "Port State = %x.\n", eiter->a.port_state);
+
+	/* Number of Ports */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_COUNT);
+	eiter->a.num_ports = cpu_to_be32(1);
+	eiter->len = cpu_to_be16(4 + 4);
+	size += 4 + 4;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20c8,
+	    "Number of ports = %x.\n", eiter->a.num_ports);
+
+	/* Port Id */
+	eiter = entries + size;
+	eiter->type = cpu_to_be16(FDMI_PORT_ID);
+	eiter->a.port_id = cpu_to_be32(vha->d_id.b24);
+	eiter->len = cpu_to_be16(4 + 4);
+	size += 4 + 4;
+
+	ql_dbg(ql_dbg_disc, vha, 0x201c,
+	    "Port Id = %x.\n", eiter->a.port_id);
+
+	/* Update MS request size. */
+	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
+
+	ql_dbg(ql_dbg_disc, vha, 0x2018,
+	    "RPA portname= %8phN size=%d.\n", ct_req->req.rpa.port_name, size);
+	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x20ca,
+	    entries, size);
+
+	/* Execute MS IOCB */
+	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
+	    sizeof(ms_iocb_entry_t));
+	if (rval != QLA_SUCCESS) {
+		/*EMPTY*/
+		ql_dbg(ql_dbg_disc, vha, 0x20cb,
+		    "RPA FDMI v2 issue IOCB failed (%d).\n", rval);
+	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RPA") !=
+	    QLA_SUCCESS) {
+		rval = QLA_FUNCTION_FAILED;
+		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
+		    ct_rsp->header.explanation_code ==
+		    CT_EXPL_ALREADY_REGISTERED) {
+			ql_dbg(ql_dbg_disc, vha, 0x20ce,
+			    "RPA FDMI v2 already registered\n");
+			rval = QLA_ALREADY_REGISTERED;
+		} else {
+			ql_dbg(ql_dbg_disc, vha, 0x2020,
+			    "RPA FDMI v2 failed, CT Reason code: 0x%x, CT Explanation 0x%x\n",
+			    ct_rsp->header.reason_code,
+			    ct_rsp->header.explanation_code);
+		}
+	} else {
+		ql_dbg(ql_dbg_disc, vha, 0x20cc,
+		    "RPA FDMI V2 exiting normally.\n");
+	}
+
+	return rval;
+}
+
+/**
+ * qla2x00_fdmi_register() -
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_fdmi_register(scsi_qla_host_t *vha)
+{
+	int rval = QLA_FUNCTION_FAILED;
+	struct qla_hw_data *ha = vha->hw;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha) ||
+	    IS_QLAFX00(ha))
+		return QLA_FUNCTION_FAILED;
+
+	rval = qla2x00_mgmt_svr_login(vha);
+	if (rval)
+		return rval;
+
+	rval = qla2x00_fdmiv2_rhba(vha);
+	if (rval) {
+		if (rval != QLA_ALREADY_REGISTERED)
+			goto try_fdmi;
+
+		rval = qla2x00_fdmi_dhba(vha);
+		if (rval)
+			goto try_fdmi;
+
+		rval = qla2x00_fdmiv2_rhba(vha);
+		if (rval)
+			goto try_fdmi;
+	}
+	rval = qla2x00_fdmiv2_rpa(vha);
+	if (rval)
+		goto try_fdmi;
+
+	goto out;
+
+try_fdmi:
+	rval = qla2x00_fdmi_rhba(vha);
+	if (rval) {
+		if (rval != QLA_ALREADY_REGISTERED)
+			return rval;
+
+		rval = qla2x00_fdmi_dhba(vha);
+		if (rval)
+			return rval;
+
+		rval = qla2x00_fdmi_rhba(vha);
+		if (rval)
+			return rval;
+	}
+	rval = qla2x00_fdmi_rpa(vha);
+out:
+	return rval;
+}
+
+/**
+ * qla2x00_gfpn_id() - SNS Get Fabric Port Name (GFPN_ID) query.
+ * @vha: HA context
+ * @list: switch info entries to populate
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_gfpn_id(scsi_qla_host_t *vha, sw_info_t *list)
+{
+	int		rval = QLA_SUCCESS;
+	uint16_t	i;
+	struct qla_hw_data *ha = vha->hw;
+	ms_iocb_entry_t	*ms_pkt;
+	struct ct_sns_req	*ct_req;
+	struct ct_sns_rsp	*ct_rsp;
+	struct ct_arg arg;
+
+	if (!IS_IIDMA_CAPABLE(ha))
+		return QLA_FUNCTION_FAILED;
+
+	arg.iocb = ha->ms_iocb;
+	arg.req_dma = ha->ct_sns_dma;
+	arg.rsp_dma = ha->ct_sns_dma;
+	arg.req_size = GFPN_ID_REQ_SIZE;
+	arg.rsp_size = GFPN_ID_RSP_SIZE;
+	arg.nport_handle = NPH_SNS;
+
+	for (i = 0; i < ha->max_fibre_devices; i++) {
+		/* Issue GFPN_ID */
+		/* Prepare common MS IOCB */
+		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
+
+		/* Prepare CT request */
+		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GFPN_ID_CMD,
+		    GFPN_ID_RSP_SIZE);
+		ct_rsp = &ha->ct_sns->p.rsp;
+
+		/* Prepare CT arguments -- port_id */
+		ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
+		ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
+		ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
+
+		/* Execute MS IOCB */
+		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
+		    sizeof(ms_iocb_entry_t));
+		if (rval != QLA_SUCCESS) {
+			/*EMPTY*/
+			ql_dbg(ql_dbg_disc, vha, 0x2023,
+			    "GFPN_ID issue IOCB failed (%d).\n", rval);
+			break;
+		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
+		    "GFPN_ID") != QLA_SUCCESS) {
+			rval = QLA_FUNCTION_FAILED;
+			break;
+		} else {
+			/* Save fabric portname */
+			memcpy(list[i].fabric_port_name,
+			    ct_rsp->rsp.gfpn_id.port_name, WWN_SIZE);
+		}
+
+		/* Last device exit. */
+		if (list[i].d_id.b.rsvd_1 != 0)
+			break;
+	}
+
+	return (rval);
+}
+
+
+static inline struct ct_sns_req *
+qla24xx_prep_ct_fm_req(struct ct_sns_pkt *p, uint16_t cmd,
+    uint16_t rsp_size)
+{
+	memset(p, 0, sizeof(struct ct_sns_pkt));
+
+	p->p.req.header.revision = 0x01;
+	p->p.req.header.gs_type = 0xFA;
+	p->p.req.header.gs_subtype = 0x01;
+	p->p.req.command = cpu_to_be16(cmd);
+	p->p.req.max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
+
+	return &p->p.req;
+}
+
+/**
+ * qla2x00_gpsc() - FCS Get Port Speed Capabilities (GPSC) query.
+ * @vha: HA context
+ * @list: switch info entries to populate
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_gpsc(scsi_qla_host_t *vha, sw_info_t *list)
+{
+	int		rval;
+	uint16_t	i;
+	struct qla_hw_data *ha = vha->hw;
+	ms_iocb_entry_t *ms_pkt;
+	struct ct_sns_req	*ct_req;
+	struct ct_sns_rsp	*ct_rsp;
+	struct ct_arg arg;
+
+	if (!IS_IIDMA_CAPABLE(ha))
+		return QLA_FUNCTION_FAILED;
+	if (!ha->flags.gpsc_supported)
+		return QLA_FUNCTION_FAILED;
+
+	rval = qla2x00_mgmt_svr_login(vha);
+	if (rval)
+		return rval;
+
+	arg.iocb = ha->ms_iocb;
+	arg.req_dma = ha->ct_sns_dma;
+	arg.rsp_dma = ha->ct_sns_dma;
+	arg.req_size = GPSC_REQ_SIZE;
+	arg.rsp_size = GPSC_RSP_SIZE;
+	arg.nport_handle = vha->mgmt_svr_loop_id;
+
+	for (i = 0; i < ha->max_fibre_devices; i++) {
+		/* Issue GFPN_ID */
+		/* Prepare common MS IOCB */
+		ms_pkt = qla24xx_prep_ms_iocb(vha, &arg);
+
+		/* Prepare CT request */
+		ct_req = qla24xx_prep_ct_fm_req(ha->ct_sns, GPSC_CMD,
+		    GPSC_RSP_SIZE);
+		ct_rsp = &ha->ct_sns->p.rsp;
+
+		/* Prepare CT arguments -- port_name */
+		memcpy(ct_req->req.gpsc.port_name, list[i].fabric_port_name,
+		    WWN_SIZE);
+
+		/* Execute MS IOCB */
+		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
+		    sizeof(ms_iocb_entry_t));
+		if (rval != QLA_SUCCESS) {
+			/*EMPTY*/
+			ql_dbg(ql_dbg_disc, vha, 0x2059,
+			    "GPSC issue IOCB failed (%d).\n", rval);
+		} else if ((rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
+		    "GPSC")) != QLA_SUCCESS) {
+			/* FM command unsupported? */
+			if (rval == QLA_INVALID_COMMAND &&
+			    (ct_rsp->header.reason_code ==
+				CT_REASON_INVALID_COMMAND_CODE ||
+			     ct_rsp->header.reason_code ==
+				CT_REASON_COMMAND_UNSUPPORTED)) {
+				ql_dbg(ql_dbg_disc, vha, 0x205a,
+				    "GPSC command unsupported, disabling "
+				    "query.\n");
+				ha->flags.gpsc_supported = 0;
+				rval = QLA_FUNCTION_FAILED;
+				break;
+			}
+			rval = QLA_FUNCTION_FAILED;
+		} else {
+			/* Save port-speed */
+			switch (be16_to_cpu(ct_rsp->rsp.gpsc.speed)) {
+			case BIT_15:
+				list[i].fp_speed = PORT_SPEED_1GB;
+				break;
+			case BIT_14:
+				list[i].fp_speed = PORT_SPEED_2GB;
+				break;
+			case BIT_13:
+				list[i].fp_speed = PORT_SPEED_4GB;
+				break;
+			case BIT_12:
+				list[i].fp_speed = PORT_SPEED_10GB;
+				break;
+			case BIT_11:
+				list[i].fp_speed = PORT_SPEED_8GB;
+				break;
+			case BIT_10:
+				list[i].fp_speed = PORT_SPEED_16GB;
+				break;
+			case BIT_8:
+				list[i].fp_speed = PORT_SPEED_32GB;
+				break;
+			}
+
+			ql_dbg(ql_dbg_disc, vha, 0x205b,
+			    "GPSC ext entry - fpn "
+			    "%8phN speeds=%04x speed=%04x.\n",
+			    list[i].fabric_port_name,
+			    be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
+			    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
+		}
+
+		/* Last device exit. */
+		if (list[i].d_id.b.rsvd_1 != 0)
+			break;
+	}
+
+	return (rval);
+}
+
+/**
+ * qla2x00_gff_id() - SNS Get FC-4 Features (GFF_ID) query.
+ *
+ * @vha: HA context
+ * @list: switch info entries to populate
+ *
+ */
+void
+qla2x00_gff_id(scsi_qla_host_t *vha, sw_info_t *list)
+{
+	int		rval;
+	uint16_t	i;
+
+	ms_iocb_entry_t	*ms_pkt;
+	struct ct_sns_req	*ct_req;
+	struct ct_sns_rsp	*ct_rsp;
+	struct qla_hw_data *ha = vha->hw;
+	uint8_t fcp_scsi_features = 0;
+	struct ct_arg arg;
+
+	for (i = 0; i < ha->max_fibre_devices; i++) {
+		/* Set default FC4 Type as UNKNOWN so the default is to
+		 * Process this port */
+		list[i].fc4_type = FC4_TYPE_UNKNOWN;
+
+		/* Do not attempt GFF_ID if we are not FWI_2 capable */
+		if (!IS_FWI2_CAPABLE(ha))
+			continue;
+
+		arg.iocb = ha->ms_iocb;
+		arg.req_dma = ha->ct_sns_dma;
+		arg.rsp_dma = ha->ct_sns_dma;
+		arg.req_size = GFF_ID_REQ_SIZE;
+		arg.rsp_size = GFF_ID_RSP_SIZE;
+		arg.nport_handle = NPH_SNS;
+
+		/* Prepare common MS IOCB */
+		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
+
+		/* Prepare CT request */
+		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GFF_ID_CMD,
+		    GFF_ID_RSP_SIZE);
+		ct_rsp = &ha->ct_sns->p.rsp;
+
+		/* Prepare CT arguments -- port_id */
+		ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
+		ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
+		ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
+
+		/* Execute MS IOCB */
+		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
+		   sizeof(ms_iocb_entry_t));
+
+		if (rval != QLA_SUCCESS) {
+			ql_dbg(ql_dbg_disc, vha, 0x205c,
+			    "GFF_ID issue IOCB failed (%d).\n", rval);
+		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
+			       "GFF_ID") != QLA_SUCCESS) {
+			ql_dbg(ql_dbg_disc, vha, 0x205d,
+			    "GFF_ID IOCB status had a failure status code.\n");
+		} else {
+			fcp_scsi_features =
+			   ct_rsp->rsp.gff_id.fc4_features[GFF_FCP_SCSI_OFFSET];
+			fcp_scsi_features &= 0x0f;
+
+			if (fcp_scsi_features)
+				list[i].fc4_type = FC4_TYPE_FCP_SCSI;
+			else
+				list[i].fc4_type = FC4_TYPE_OTHER;
+
+			list[i].fc4f_nvme =
+			    ct_rsp->rsp.gff_id.fc4_features[GFF_NVME_OFFSET];
+			list[i].fc4f_nvme &= 0xf;
+		}
+
+		/* Last device exit. */
+		if (list[i].d_id.b.rsvd_1 != 0)
+			break;
+	}
+}
+
+/* GID_PN completion processing. */
+void qla24xx_handle_gidpn_event(scsi_qla_host_t *vha, struct event_arg *ea)
+{
+	fc_port_t *fcport = ea->fcport;
+
+	ql_dbg(ql_dbg_disc, vha, 0x201d,
+	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
+	    __func__, fcport->port_name, fcport->disc_state,
+	    fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
+	    fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
+
+	if (fcport->disc_state == DSC_DELETE_PEND)
+		return;
+
+	if (ea->sp->gen2 != fcport->login_gen) {
+		/* PLOGI/PRLI/LOGO came in while cmd was out.*/
+		ql_dbg(ql_dbg_disc, vha, 0x201e,
+		    "%s %8phC generation changed rscn %d|%d n",
+		    __func__, fcport->port_name, fcport->last_rscn_gen,
+		    fcport->rscn_gen);
+		return;
+	}
+
+	if (!ea->rc) {
+		if (ea->sp->gen1 == fcport->rscn_gen) {
+			fcport->scan_state = QLA_FCPORT_FOUND;
+			fcport->flags |= FCF_FABRIC_DEVICE;
+
+			if (fcport->d_id.b24 == ea->id.b24) {
+				/* cable plugged into the same place */
+				switch (vha->host->active_mode) {
+				case MODE_TARGET:
+					if (fcport->fw_login_state ==
+					    DSC_LS_PRLI_COMP) {
+						u16 data[2];
+						/*
+						 * Late RSCN was delivered.
+						 * Remote port already login'ed.
+						 */
+						ql_dbg(ql_dbg_disc, vha, 0x201f,
+						    "%s %d %8phC post adisc\n",
+						    __func__, __LINE__,
+						    fcport->port_name);
+						data[0] = data[1] = 0;
+						qla2x00_post_async_adisc_work(
+						    vha, fcport, data);
+					}
+					break;
+				case MODE_INITIATOR:
+				case MODE_DUAL:
+				default:
+					ql_dbg(ql_dbg_disc, vha, 0x201f,
+					    "%s %d %8phC post %s\n", __func__,
+					    __LINE__, fcport->port_name,
+					    (atomic_read(&fcport->state) ==
+					    FCS_ONLINE) ? "adisc" : "gnl");
+
+					if (atomic_read(&fcport->state) ==
+					    FCS_ONLINE) {
+						u16 data[2];
+
+						data[0] = data[1] = 0;
+						qla2x00_post_async_adisc_work(
+						    vha, fcport, data);
+					} else {
+						qla24xx_post_gnl_work(vha,
+						    fcport);
+					}
+					break;
+				}
+			} else { /* fcport->d_id.b24 != ea->id.b24 */
+				fcport->d_id.b24 = ea->id.b24;
+				fcport->id_changed = 1;
+				if (fcport->deleted != QLA_SESS_DELETED) {
+					ql_dbg(ql_dbg_disc, vha, 0x2021,
+					    "%s %d %8phC post del sess\n",
+					    __func__, __LINE__, fcport->port_name);
+					qlt_schedule_sess_for_deletion(fcport);
+				}
+			}
+		} else { /* ea->sp->gen1 != fcport->rscn_gen */
+			ql_dbg(ql_dbg_disc, vha, 0x2022,
+			    "%s %d %8phC post gidpn\n",
+			    __func__, __LINE__, fcport->port_name);
+			/* rscn came in while cmd was out */
+			qla24xx_post_gidpn_work(vha, fcport);
+		}
+	} else { /* ea->rc */
+		/* cable pulled */
+		if (ea->sp->gen1 == fcport->rscn_gen) {
+			if (ea->sp->gen2 == fcport->login_gen) {
+				ql_dbg(ql_dbg_disc, vha, 0x2042,
+				    "%s %d %8phC post del sess\n", __func__,
+				    __LINE__, fcport->port_name);
+				qlt_schedule_sess_for_deletion(fcport);
+			} else {
+				ql_dbg(ql_dbg_disc, vha, 0x2045,
+				    "%s %d %8phC login\n", __func__, __LINE__,
+				    fcport->port_name);
+				qla24xx_fcport_handle_login(vha, fcport);
+			}
+		} else {
+			ql_dbg(ql_dbg_disc, vha, 0x2049,
+			    "%s %d %8phC post gidpn\n", __func__, __LINE__,
+			    fcport->port_name);
+			qla24xx_post_gidpn_work(vha, fcport);
+		}
+	}
+} /* gidpn_event */
+
+static void qla2x00_async_gidpn_sp_done(void *s, int res)
+{
+	struct srb *sp = s;
+	struct scsi_qla_host *vha = sp->vha;
+	fc_port_t *fcport = sp->fcport;
+	u8 *id = fcport->ct_desc.ct_sns->p.rsp.rsp.gid_pn.port_id;
+	struct event_arg ea;
+
+	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+
+	memset(&ea, 0, sizeof(ea));
+	ea.fcport = fcport;
+	ea.id.b.domain = id[0];
+	ea.id.b.area = id[1];
+	ea.id.b.al_pa = id[2];
+	ea.sp = sp;
+	ea.rc = res;
+	ea.event = FCME_GIDPN_DONE;
+
+	if (res == QLA_FUNCTION_TIMEOUT) {
+		ql_dbg(ql_dbg_disc, sp->vha, 0xffff,
+		    "Async done-%s WWPN %8phC timed out.\n",
+		    sp->name, fcport->port_name);
+		qla24xx_post_gidpn_work(sp->vha, fcport);
+		sp->free(sp);
+		return;
+	} else if (res) {
+		ql_dbg(ql_dbg_disc, sp->vha, 0xffff,
+		    "Async done-%s fail res %x, WWPN %8phC\n",
+		    sp->name, res, fcport->port_name);
+	} else {
+		ql_dbg(ql_dbg_disc, vha, 0x204f,
+		    "Async done-%s good WWPN %8phC ID %3phC\n",
+		    sp->name, fcport->port_name, id);
+	}
+
+	qla2x00_fcport_event_handler(vha, &ea);
+
+	sp->free(sp);
+}
+
+int qla24xx_async_gidpn(scsi_qla_host_t *vha, fc_port_t *fcport)
+{
+	int rval = QLA_FUNCTION_FAILED;
+	struct ct_sns_req       *ct_req;
+	srb_t *sp;
+
+	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
+		return rval;
+
+	fcport->disc_state = DSC_GID_PN;
+	fcport->scan_state = QLA_FCPORT_SCAN;
+	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
+	if (!sp)
+		goto done;
+
+	fcport->flags |= FCF_ASYNC_SENT;
+	sp->type = SRB_CT_PTHRU_CMD;
+	sp->name = "gidpn";
+	sp->gen1 = fcport->rscn_gen;
+	sp->gen2 = fcport->login_gen;
+
+	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
+
+	/* CT_IU preamble  */
+	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GID_PN_CMD,
+		GID_PN_RSP_SIZE);
+
+	/* GIDPN req */
+	memcpy(ct_req->req.gid_pn.port_name, fcport->port_name,
+		WWN_SIZE);
+
+	/* req & rsp use the same buffer */
+	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
+	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
+	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
+	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
+	sp->u.iocb_cmd.u.ctarg.req_size = GID_PN_REQ_SIZE;
+	sp->u.iocb_cmd.u.ctarg.rsp_size = GID_PN_RSP_SIZE;
+	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
+
+	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
+	sp->done = qla2x00_async_gidpn_sp_done;
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS)
+		goto done_free_sp;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20a4,
+	    "Async-%s - %8phC hdl=%x loopid=%x portid %02x%02x%02x.\n",
+	    sp->name, fcport->port_name,
+	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
+	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
+	return rval;
+
+done_free_sp:
+	sp->free(sp);
+done:
+	fcport->flags &= ~FCF_ASYNC_ACTIVE;
+	return rval;
+}
+
+int qla24xx_post_gidpn_work(struct scsi_qla_host *vha, fc_port_t *fcport)
+{
+	struct qla_work_evt *e;
+	int ls;
+
+	ls = atomic_read(&vha->loop_state);
+	if (((ls != LOOP_READY) && (ls != LOOP_UP)) ||
+		test_bit(UNLOADING, &vha->dpc_flags))
+		return 0;
+
+	e = qla2x00_alloc_work(vha, QLA_EVT_GIDPN);
+	if (!e)
+		return QLA_FUNCTION_FAILED;
+
+	e->u.fcport.fcport = fcport;
+	fcport->flags |= FCF_ASYNC_ACTIVE;
+	return qla2x00_post_work(vha, e);
+}
+
+int qla24xx_post_gpsc_work(struct scsi_qla_host *vha, fc_port_t *fcport)
+{
+	struct qla_work_evt *e;
+
+	e = qla2x00_alloc_work(vha, QLA_EVT_GPSC);
+	if (!e)
+		return QLA_FUNCTION_FAILED;
+
+	e->u.fcport.fcport = fcport;
+	fcport->flags |= FCF_ASYNC_ACTIVE;
+	return qla2x00_post_work(vha, e);
+}
+
+void qla24xx_handle_gpsc_event(scsi_qla_host_t *vha, struct event_arg *ea)
+{
+	struct fc_port *fcport = ea->fcport;
+
+	ql_dbg(ql_dbg_disc, vha, 0x20d8,
+	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
+	    __func__, fcport->port_name, fcport->disc_state,
+	    fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
+	    ea->sp->gen2, fcport->rscn_gen|ea->sp->gen1, fcport->loop_id);
+
+	if (fcport->disc_state == DSC_DELETE_PEND)
+		return;
+
+	if (ea->sp->gen2 != fcport->login_gen) {
+		/* target side must have changed it. */
+		ql_dbg(ql_dbg_disc, vha, 0x20d3,
+		    "%s %8phC generation changed\n",
+		    __func__, fcport->port_name);
+		return;
+	} else if (ea->sp->gen1 != fcport->rscn_gen) {
+		ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
+		    __func__, __LINE__, fcport->port_name);
+		qla24xx_post_gidpn_work(vha, fcport);
+		return;
+	}
+
+	qla_post_iidma_work(vha, fcport);
+}
+
+static void qla24xx_async_gpsc_sp_done(void *s, int res)
+{
+	struct srb *sp = s;
+	struct scsi_qla_host *vha = sp->vha;
+	struct qla_hw_data *ha = vha->hw;
+	fc_port_t *fcport = sp->fcport;
+	struct ct_sns_rsp       *ct_rsp;
+	struct event_arg ea;
+
+	ct_rsp = &fcport->ct_desc.ct_sns->p.rsp;
+
+	ql_dbg(ql_dbg_disc, vha, 0x2053,
+	    "Async done-%s res %x, WWPN %8phC \n",
+	    sp->name, res, fcport->port_name);
+
+	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+
+	if (res == QLA_FUNCTION_TIMEOUT)
+		goto done;
+
+	if (res == (DID_ERROR << 16)) {
+		/* entry status error */
+		goto done;
+	} else if (res) {
+		if ((ct_rsp->header.reason_code ==
+			 CT_REASON_INVALID_COMMAND_CODE) ||
+			(ct_rsp->header.reason_code ==
+			CT_REASON_COMMAND_UNSUPPORTED)) {
+			ql_dbg(ql_dbg_disc, vha, 0x2019,
+			    "GPSC command unsupported, disabling query.\n");
+			ha->flags.gpsc_supported = 0;
+			goto done;
+		}
+	} else {
+		switch (be16_to_cpu(ct_rsp->rsp.gpsc.speed)) {
+		case BIT_15:
+			fcport->fp_speed = PORT_SPEED_1GB;
+			break;
+		case BIT_14:
+			fcport->fp_speed = PORT_SPEED_2GB;
+			break;
+		case BIT_13:
+			fcport->fp_speed = PORT_SPEED_4GB;
+			break;
+		case BIT_12:
+			fcport->fp_speed = PORT_SPEED_10GB;
+			break;
+		case BIT_11:
+			fcport->fp_speed = PORT_SPEED_8GB;
+			break;
+		case BIT_10:
+			fcport->fp_speed = PORT_SPEED_16GB;
+			break;
+		case BIT_8:
+			fcport->fp_speed = PORT_SPEED_32GB;
+			break;
+		}
+
+		ql_dbg(ql_dbg_disc, vha, 0x2054,
+		    "Async-%s OUT WWPN %8phC speeds=%04x speed=%04x.\n",
+		    sp->name, fcport->fabric_port_name,
+		    be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
+		    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
+	}
+	memset(&ea, 0, sizeof(ea));
+	ea.event = FCME_GPSC_DONE;
+	ea.rc = res;
+	ea.fcport = fcport;
+	ea.sp = sp;
+	qla2x00_fcport_event_handler(vha, &ea);
+
+done:
+	sp->free(sp);
+}
+
+int qla24xx_async_gpsc(scsi_qla_host_t *vha, fc_port_t *fcport)
+{
+	int rval = QLA_FUNCTION_FAILED;
+	struct ct_sns_req       *ct_req;
+	srb_t *sp;
+
+	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
+		return rval;
+
+	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+	if (!sp)
+		goto done;
+
+	sp->type = SRB_CT_PTHRU_CMD;
+	sp->name = "gpsc";
+	sp->gen1 = fcport->rscn_gen;
+	sp->gen2 = fcport->login_gen;
+
+	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
+
+	/* CT_IU preamble  */
+	ct_req = qla24xx_prep_ct_fm_req(fcport->ct_desc.ct_sns, GPSC_CMD,
+		GPSC_RSP_SIZE);
+
+	/* GPSC req */
+	memcpy(ct_req->req.gpsc.port_name, fcport->fabric_port_name,
+		WWN_SIZE);
+
+	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
+	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
+	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
+	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
+	sp->u.iocb_cmd.u.ctarg.req_size = GPSC_REQ_SIZE;
+	sp->u.iocb_cmd.u.ctarg.rsp_size = GPSC_RSP_SIZE;
+	sp->u.iocb_cmd.u.ctarg.nport_handle = vha->mgmt_svr_loop_id;
+
+	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
+	sp->done = qla24xx_async_gpsc_sp_done;
+
+	ql_dbg(ql_dbg_disc, vha, 0x205e,
+	    "Async-%s %8phC hdl=%x loopid=%x portid=%02x%02x%02x.\n",
+	    sp->name, fcport->port_name, sp->handle,
+	    fcport->loop_id, fcport->d_id.b.domain,
+	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS)
+		goto done_free_sp;
+	return rval;
+
+done_free_sp:
+	sp->free(sp);
+	fcport->flags &= ~FCF_ASYNC_SENT;
+done:
+	fcport->flags &= ~FCF_ASYNC_ACTIVE;
+	return rval;
+}
+
+int qla24xx_post_gpnid_work(struct scsi_qla_host *vha, port_id_t *id)
+{
+	struct qla_work_evt *e;
+
+	if (test_bit(UNLOADING, &vha->dpc_flags))
+		return 0;
+
+	e = qla2x00_alloc_work(vha, QLA_EVT_GPNID);
+	if (!e)
+		return QLA_FUNCTION_FAILED;
+
+	e->u.gpnid.id = *id;
+	return qla2x00_post_work(vha, e);
+}
+
+void qla24xx_sp_unmap(scsi_qla_host_t *vha, srb_t *sp)
+{
+	struct srb_iocb *c = &sp->u.iocb_cmd;
+
+	switch (sp->type) {
+	case SRB_ELS_DCMD:
+		if (c->u.els_plogi.els_plogi_pyld)
+			dma_free_coherent(&vha->hw->pdev->dev,
+			    c->u.els_plogi.tx_size,
+			    c->u.els_plogi.els_plogi_pyld,
+			    c->u.els_plogi.els_plogi_pyld_dma);
+
+		if (c->u.els_plogi.els_resp_pyld)
+			dma_free_coherent(&vha->hw->pdev->dev,
+			    c->u.els_plogi.rx_size,
+			    c->u.els_plogi.els_resp_pyld,
+			    c->u.els_plogi.els_resp_pyld_dma);
+		break;
+	case SRB_CT_PTHRU_CMD:
+	default:
+		if (sp->u.iocb_cmd.u.ctarg.req) {
+			dma_free_coherent(&vha->hw->pdev->dev,
+			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
+			    sp->u.iocb_cmd.u.ctarg.req,
+			    sp->u.iocb_cmd.u.ctarg.req_dma);
+			sp->u.iocb_cmd.u.ctarg.req = NULL;
+		}
+
+		if (sp->u.iocb_cmd.u.ctarg.rsp) {
+			dma_free_coherent(&vha->hw->pdev->dev,
+			    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
+			    sp->u.iocb_cmd.u.ctarg.rsp,
+			    sp->u.iocb_cmd.u.ctarg.rsp_dma);
+			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
+		}
+		break;
+	}
+
+	sp->free(sp);
+}
+
+void qla24xx_handle_gpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
+{
+	fc_port_t *fcport, *conflict, *t;
+	u16 data[2];
+
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "%s %d port_id: %06x\n",
+	    __func__, __LINE__, ea->id.b24);
+
+	if (ea->rc) {
+		/* cable is disconnected */
+		list_for_each_entry_safe(fcport, t, &vha->vp_fcports, list) {
+			if (fcport->d_id.b24 == ea->id.b24) {
+				ql_dbg(ql_dbg_disc, vha, 0xffff,
+				    "%s %d %8phC DS %d\n",
+				    __func__, __LINE__,
+				    fcport->port_name,
+				    fcport->disc_state);
+				fcport->scan_state = QLA_FCPORT_SCAN;
+				switch (fcport->disc_state) {
+				case DSC_DELETED:
+				case DSC_DELETE_PEND:
+					break;
+				default:
+					ql_dbg(ql_dbg_disc, vha, 0xffff,
+					    "%s %d %8phC post del sess\n",
+					    __func__, __LINE__,
+					    fcport->port_name);
+					qlt_schedule_sess_for_deletion(fcport);
+					break;
+				}
+			}
+		}
+	} else {
+		/* cable is connected */
+		fcport = qla2x00_find_fcport_by_wwpn(vha, ea->port_name, 1);
+		if (fcport) {
+			list_for_each_entry_safe(conflict, t, &vha->vp_fcports,
+			    list) {
+				if ((conflict->d_id.b24 == ea->id.b24) &&
+				    (fcport != conflict)) {
+					/* 2 fcports with conflict Nport ID or
+					 * an existing fcport is having nport ID
+					 * conflict with new fcport.
+					 */
+
+					ql_dbg(ql_dbg_disc, vha, 0xffff,
+					    "%s %d %8phC DS %d\n",
+					    __func__, __LINE__,
+					    conflict->port_name,
+					    conflict->disc_state);
+					conflict->scan_state = QLA_FCPORT_SCAN;
+					switch (conflict->disc_state) {
+					case DSC_DELETED:
+					case DSC_DELETE_PEND:
+						break;
+					default:
+						ql_dbg(ql_dbg_disc, vha, 0xffff,
+						    "%s %d %8phC post del sess\n",
+						    __func__, __LINE__,
+						    conflict->port_name);
+						qlt_schedule_sess_for_deletion
+							(conflict);
+						break;
+					}
+				}
+			}
+
+			fcport->rscn_gen++;
+			fcport->scan_state = QLA_FCPORT_FOUND;
+			fcport->flags |= FCF_FABRIC_DEVICE;
+			if (fcport->login_retry == 0) {
+				fcport->login_retry =
+					vha->hw->login_retry_count;
+				ql_dbg(ql_dbg_disc, vha, 0xffff,
+				    "Port login retry %8phN, lid 0x%04x cnt=%d.\n",
+				    fcport->port_name, fcport->loop_id,
+				    fcport->login_retry);
+			}
+			switch (fcport->disc_state) {
+			case DSC_LOGIN_COMPLETE:
+				/* recheck session is still intact. */
+				ql_dbg(ql_dbg_disc, vha, 0x210d,
+				    "%s %d %8phC revalidate session with ADISC\n",
+				    __func__, __LINE__, fcport->port_name);
+				data[0] = data[1] = 0;
+				qla2x00_post_async_adisc_work(vha, fcport,
+				    data);
+				break;
+			case DSC_DELETED:
+				ql_dbg(ql_dbg_disc, vha, 0x210d,
+				    "%s %d %8phC login\n", __func__, __LINE__,
+				    fcport->port_name);
+				fcport->d_id = ea->id;
+				qla24xx_fcport_handle_login(vha, fcport);
+				break;
+			case DSC_DELETE_PEND:
+				fcport->d_id = ea->id;
+				break;
+			default:
+				fcport->d_id = ea->id;
+				break;
+			}
+		} else {
+			list_for_each_entry_safe(conflict, t, &vha->vp_fcports,
+			    list) {
+				if (conflict->d_id.b24 == ea->id.b24) {
+					/* 2 fcports with conflict Nport ID or
+					 * an existing fcport is having nport ID
+					 * conflict with new fcport.
+					 */
+					ql_dbg(ql_dbg_disc, vha, 0xffff,
+					    "%s %d %8phC DS %d\n",
+					    __func__, __LINE__,
+					    conflict->port_name,
+					    conflict->disc_state);
+
+					conflict->scan_state = QLA_FCPORT_SCAN;
+					switch (conflict->disc_state) {
+					case DSC_DELETED:
+					case DSC_DELETE_PEND:
+						break;
+					default:
+						ql_dbg(ql_dbg_disc, vha, 0xffff,
+						    "%s %d %8phC post del sess\n",
+						    __func__, __LINE__,
+						    conflict->port_name);
+						qlt_schedule_sess_for_deletion
+							(conflict);
+						break;
+					}
+				}
+			}
+
+			/* create new fcport */
+			ql_dbg(ql_dbg_disc, vha, 0x2065,
+			    "%s %d %8phC post new sess\n",
+			    __func__, __LINE__, ea->port_name);
+			qla24xx_post_newsess_work(vha, &ea->id,
+			    ea->port_name, NULL, NULL, FC4_TYPE_UNKNOWN);
+		}
+	}
+}
+
+static void qla2x00_async_gpnid_sp_done(void *s, int res)
+{
+	struct srb *sp = s;
+	struct scsi_qla_host *vha = sp->vha;
+	struct ct_sns_req *ct_req =
+	    (struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
+	struct ct_sns_rsp *ct_rsp =
+	    (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp;
+	struct event_arg ea;
+	struct qla_work_evt *e;
+	unsigned long flags;
+
+	if (res)
+		ql_dbg(ql_dbg_disc, vha, 0x2066,
+		    "Async done-%s fail res %x rscn gen %d ID %3phC. %8phC\n",
+		    sp->name, res, sp->gen1, ct_req->req.port_id.port_id,
+		    ct_rsp->rsp.gpn_id.port_name);
+	else
+		ql_dbg(ql_dbg_disc, vha, 0x2066,
+		    "Async done-%s good rscn gen %d ID %3phC. %8phC\n",
+		    sp->name, sp->gen1, ct_req->req.port_id.port_id,
+		    ct_rsp->rsp.gpn_id.port_name);
+
+	memset(&ea, 0, sizeof(ea));
+	memcpy(ea.port_name, ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
+	ea.sp = sp;
+	ea.id.b.domain = ct_req->req.port_id.port_id[0];
+	ea.id.b.area = ct_req->req.port_id.port_id[1];
+	ea.id.b.al_pa = ct_req->req.port_id.port_id[2];
+	ea.rc = res;
+	ea.event = FCME_GPNID_DONE;
+
+	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+	list_del(&sp->elem);
+	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+
+	if (res) {
+		if (res == QLA_FUNCTION_TIMEOUT) {
+			qla24xx_post_gpnid_work(sp->vha, &ea.id);
+			sp->free(sp);
+			return;
+		}
+	} else if (sp->gen1) {
+		/* There was another RSCN for this Nport ID */
+		qla24xx_post_gpnid_work(sp->vha, &ea.id);
+		sp->free(sp);
+		return;
+	}
+
+	qla2x00_fcport_event_handler(vha, &ea);
+
+	e = qla2x00_alloc_work(vha, QLA_EVT_UNMAP);
+	if (!e) {
+		/* please ignore kernel warning. otherwise, we have mem leak. */
+		if (sp->u.iocb_cmd.u.ctarg.req) {
+			dma_free_coherent(&vha->hw->pdev->dev,
+				sp->u.iocb_cmd.u.ctarg.req_allocated_size,
+				sp->u.iocb_cmd.u.ctarg.req,
+				sp->u.iocb_cmd.u.ctarg.req_dma);
+			sp->u.iocb_cmd.u.ctarg.req = NULL;
+		}
+		if (sp->u.iocb_cmd.u.ctarg.rsp) {
+			dma_free_coherent(&vha->hw->pdev->dev,
+				sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
+				sp->u.iocb_cmd.u.ctarg.rsp,
+				sp->u.iocb_cmd.u.ctarg.rsp_dma);
+			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
+		}
+
+		sp->free(sp);
+		return;
+	}
+
+	e->u.iosb.sp = sp;
+	qla2x00_post_work(vha, e);
+}
+
+/* Get WWPN with Nport ID. */
+int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id)
+{
+	int rval = QLA_FUNCTION_FAILED;
+	struct ct_sns_req       *ct_req;
+	srb_t *sp, *tsp;
+	struct ct_sns_pkt *ct_sns;
+	unsigned long flags;
+
+	if (!vha->flags.online)
+		goto done;
+
+	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
+	if (!sp)
+		goto done;
+
+	sp->type = SRB_CT_PTHRU_CMD;
+	sp->name = "gpnid";
+	sp->u.iocb_cmd.u.ctarg.id = *id;
+	sp->gen1 = 0;
+	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
+
+	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+	list_for_each_entry(tsp, &vha->gpnid_list, elem) {
+		if (tsp->u.iocb_cmd.u.ctarg.id.b24 == id->b24) {
+			tsp->gen1++;
+			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+			sp->free(sp);
+			goto done;
+		}
+	}
+	list_add_tail(&sp->elem, &vha->gpnid_list);
+	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+
+	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
+		sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
+		GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
+	if (!sp->u.iocb_cmd.u.ctarg.req) {
+		ql_log(ql_log_warn, vha, 0xd041,
+		    "Failed to allocate ct_sns request.\n");
+		goto done_free_sp;
+	}
+
+	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
+		sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
+		GFP_KERNEL);
+	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
+	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
+		ql_log(ql_log_warn, vha, 0xd042,
+		    "Failed to allocate ct_sns request.\n");
+		goto done_free_sp;
+	}
+
+	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
+	memset(ct_sns, 0, sizeof(*ct_sns));
+
+	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
+	/* CT_IU preamble  */
+	ct_req = qla2x00_prep_ct_req(ct_sns, GPN_ID_CMD, GPN_ID_RSP_SIZE);
+
+	/* GPN_ID req */
+	ct_req->req.port_id.port_id[0] = id->b.domain;
+	ct_req->req.port_id.port_id[1] = id->b.area;
+	ct_req->req.port_id.port_id[2] = id->b.al_pa;
+
+	sp->u.iocb_cmd.u.ctarg.req_size = GPN_ID_REQ_SIZE;
+	sp->u.iocb_cmd.u.ctarg.rsp_size = GPN_ID_RSP_SIZE;
+	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
+
+	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
+	sp->done = qla2x00_async_gpnid_sp_done;
+
+	ql_dbg(ql_dbg_disc, vha, 0x2067,
+	    "Async-%s hdl=%x ID %3phC.\n", sp->name,
+	    sp->handle, ct_req->req.port_id.port_id);
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS)
+		goto done_free_sp;
+
+	return rval;
+
+done_free_sp:
+	spin_lock_irqsave(&vha->hw->vport_slock, flags);
+	list_del(&sp->elem);
+	spin_unlock_irqrestore(&vha->hw->vport_slock, flags);
+
+	if (sp->u.iocb_cmd.u.ctarg.req) {
+		dma_free_coherent(&vha->hw->pdev->dev,
+			sizeof(struct ct_sns_pkt),
+			sp->u.iocb_cmd.u.ctarg.req,
+			sp->u.iocb_cmd.u.ctarg.req_dma);
+		sp->u.iocb_cmd.u.ctarg.req = NULL;
+	}
+	if (sp->u.iocb_cmd.u.ctarg.rsp) {
+		dma_free_coherent(&vha->hw->pdev->dev,
+			sizeof(struct ct_sns_pkt),
+			sp->u.iocb_cmd.u.ctarg.rsp,
+			sp->u.iocb_cmd.u.ctarg.rsp_dma);
+		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
+	}
+
+	sp->free(sp);
+done:
+	return rval;
+}
+
+void qla24xx_handle_gffid_event(scsi_qla_host_t *vha, struct event_arg *ea)
+{
+       fc_port_t *fcport = ea->fcport;
+
+       qla24xx_post_gnl_work(vha, fcport);
+}
+
+void qla24xx_async_gffid_sp_done(void *s, int res)
+{
+       struct srb *sp = s;
+       struct scsi_qla_host *vha = sp->vha;
+       fc_port_t *fcport = sp->fcport;
+       struct ct_sns_rsp *ct_rsp;
+       struct event_arg ea;
+
+       ql_dbg(ql_dbg_disc, vha, 0x2133,
+	   "Async done-%s res %x ID %x. %8phC\n",
+	   sp->name, res, fcport->d_id.b24, fcport->port_name);
+
+       fcport->flags &= ~FCF_ASYNC_SENT;
+       ct_rsp = &fcport->ct_desc.ct_sns->p.rsp;
+       /*
+	* FC-GS-7, 5.2.3.12 FC-4 Features - format
+	* The format of the FC-4 Features object, as defined by the FC-4,
+	* Shall be an array of 4-bit values, one for each type code value
+	*/
+       if (!res) {
+	       if (ct_rsp->rsp.gff_id.fc4_features[GFF_FCP_SCSI_OFFSET] & 0xf) {
+		       /* w1 b00:03 */
+		       fcport->fc4_type =
+			   ct_rsp->rsp.gff_id.fc4_features[GFF_FCP_SCSI_OFFSET];
+		       fcport->fc4_type &= 0xf;
+	       }
+
+	       if (ct_rsp->rsp.gff_id.fc4_features[GFF_NVME_OFFSET] & 0xf) {
+		       /* w5 [00:03]/28h */
+		       fcport->fc4f_nvme =
+			   ct_rsp->rsp.gff_id.fc4_features[GFF_NVME_OFFSET];
+		       fcport->fc4f_nvme &= 0xf;
+	       }
+       }
+
+       memset(&ea, 0, sizeof(ea));
+       ea.sp = sp;
+       ea.fcport = sp->fcport;
+       ea.rc = res;
+       ea.event = FCME_GFFID_DONE;
+
+       qla2x00_fcport_event_handler(vha, &ea);
+       sp->free(sp);
+}
+
+/* Get FC4 Feature with Nport ID. */
+int qla24xx_async_gffid(scsi_qla_host_t *vha, fc_port_t *fcport)
+{
+	int rval = QLA_FUNCTION_FAILED;
+	struct ct_sns_req       *ct_req;
+	srb_t *sp;
+
+	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
+		return rval;
+
+	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+	if (!sp)
+		return rval;
+
+	fcport->flags |= FCF_ASYNC_SENT;
+	sp->type = SRB_CT_PTHRU_CMD;
+	sp->name = "gffid";
+	sp->gen1 = fcport->rscn_gen;
+	sp->gen2 = fcport->login_gen;
+
+	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
+	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
+
+	/* CT_IU preamble  */
+	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GFF_ID_CMD,
+	    GFF_ID_RSP_SIZE);
+
+	ct_req->req.gff_id.port_id[0] = fcport->d_id.b.domain;
+	ct_req->req.gff_id.port_id[1] = fcport->d_id.b.area;
+	ct_req->req.gff_id.port_id[2] = fcport->d_id.b.al_pa;
+
+	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
+	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
+	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
+	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
+	sp->u.iocb_cmd.u.ctarg.req_size = GFF_ID_REQ_SIZE;
+	sp->u.iocb_cmd.u.ctarg.rsp_size = GFF_ID_RSP_SIZE;
+	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
+
+	sp->done = qla24xx_async_gffid_sp_done;
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS)
+		goto done_free_sp;
+
+	ql_dbg(ql_dbg_disc, vha, 0x2132,
+	    "Async-%s hdl=%x  %8phC.\n", sp->name,
+	    sp->handle, fcport->port_name);
+
+	return rval;
+done_free_sp:
+	sp->free(sp);
+	fcport->flags &= ~FCF_ASYNC_SENT;
+	return rval;
+}
+
+/* GPN_FT + GNN_FT*/
+static int qla2x00_is_a_vp(scsi_qla_host_t *vha, u64 wwn)
+{
+	struct qla_hw_data *ha = vha->hw;
+	scsi_qla_host_t *vp;
+	unsigned long flags;
+	u64 twwn;
+	int rc = 0;
+
+	if (!ha->num_vhosts)
+		return 0;
+
+	spin_lock_irqsave(&ha->vport_slock, flags);
+	list_for_each_entry(vp, &ha->vp_list, list) {
+		twwn = wwn_to_u64(vp->port_name);
+		if (wwn == twwn) {
+			rc = 1;
+			break;
+		}
+	}
+	spin_unlock_irqrestore(&ha->vport_slock, flags);
+
+	return rc;
+}
+
+void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp)
+{
+	fc_port_t *fcport;
+	u32 i, rc;
+	bool found;
+	struct fab_scan_rp *rp, *trp;
+	unsigned long flags;
+	u8 recheck = 0;
+	u16 dup = 0, dup_cnt = 0;
+
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "%s enter\n", __func__);
+
+	if (sp->gen1 != vha->hw->base_qpair->chip_reset) {
+		ql_dbg(ql_dbg_disc, vha, 0xffff,
+		    "%s scan stop due to chip reset %x/%x\n",
+		    sp->name, sp->gen1, vha->hw->base_qpair->chip_reset);
+		goto out;
+	}
+
+	rc = sp->rc;
+	if (rc) {
+		vha->scan.scan_retry++;
+		if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
+			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+		} else {
+			ql_dbg(ql_dbg_disc, vha, 0xffff,
+			    "Fabric scan failed on all retries.\n");
+		}
+		goto out;
+	}
+	vha->scan.scan_retry = 0;
+
+	list_for_each_entry(fcport, &vha->vp_fcports, list)
+		fcport->scan_state = QLA_FCPORT_SCAN;
+
+	for (i = 0; i < vha->hw->max_fibre_devices; i++) {
+		u64 wwn;
+		int k;
+
+		rp = &vha->scan.l[i];
+		found = false;
+
+		wwn = wwn_to_u64(rp->port_name);
+		if (wwn == 0)
+			continue;
+
+		/* Remove duplicate NPORT ID entries from switch data base */
+		for (k = i + 1; k < vha->hw->max_fibre_devices; k++) {
+			trp = &vha->scan.l[k];
+			if (rp->id.b24 == trp->id.b24) {
+				dup = 1;
+				dup_cnt++;
+				ql_dbg(ql_dbg_disc + ql_dbg_verbose,
+				    vha, 0xffff,
+				    "Detected duplicate NPORT ID from switch data base: ID %06x WWN %8phN WWN %8phN\n",
+				    rp->id.b24, rp->port_name, trp->port_name);
+				memset(trp, 0, sizeof(*trp));
+			}
+		}
+
+		if (!memcmp(rp->port_name, vha->port_name, WWN_SIZE))
+			continue;
+
+		/* Bypass reserved domain fields. */
+		if ((rp->id.b.domain & 0xf0) == 0xf0)
+			continue;
+
+		/* Bypass virtual ports of the same host. */
+		if (qla2x00_is_a_vp(vha, wwn))
+			continue;
+
+		list_for_each_entry(fcport, &vha->vp_fcports, list) {
+			if (memcmp(rp->port_name, fcport->port_name, WWN_SIZE))
+				continue;
+			fcport->scan_needed = 0;
+			fcport->scan_state = QLA_FCPORT_FOUND;
+			found = true;
+			/*
+			 * If device was not a fabric device before.
+			 */
+			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
+				qla2x00_clear_loop_id(fcport);
+				fcport->flags |= FCF_FABRIC_DEVICE;
+			} else if (fcport->d_id.b24 != rp->id.b24) {
+				qlt_schedule_sess_for_deletion(fcport);
+			}
+			fcport->d_id.b24 = rp->id.b24;
+			break;
+		}
+
+		if (!found) {
+			ql_dbg(ql_dbg_disc, vha, 0xffff,
+			    "%s %d %8phC post new sess\n",
+			    __func__, __LINE__, rp->port_name);
+			qla24xx_post_newsess_work(vha, &rp->id, rp->port_name,
+			    rp->node_name, NULL, rp->fc4type);
+		}
+	}
+
+	if (dup) {
+		ql_log(ql_log_warn, vha, 0xffff,
+		    "Detected %d duplicate NPORT ID(s) from switch data base\n",
+		    dup_cnt);
+	}
+
+	/*
+	 * Logout all previous fabric dev marked lost, except FCP2 devices.
+	 */
+	list_for_each_entry(fcport, &vha->vp_fcports, list) {
+		if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
+			fcport->scan_needed = 0;
+			continue;
+		}
+
+		if (fcport->scan_state != QLA_FCPORT_FOUND) {
+			fcport->scan_needed = 0;
+			if ((qla_dual_mode_enabled(vha) ||
+				qla_ini_mode_enabled(vha)) &&
+			    atomic_read(&fcport->state) == FCS_ONLINE) {
+				if (fcport->loop_id != FC_NO_LOOP_ID) {
+					if (fcport->flags & FCF_FCP2_DEVICE)
+						fcport->logout_on_delete = 0;
+
+					ql_dbg(ql_dbg_disc, vha, 0x20f0,
+					    "%s %d %8phC post del sess\n",
+					    __func__, __LINE__,
+					    fcport->port_name);
+
+					qlt_schedule_sess_for_deletion(fcport);
+					continue;
+				}
+			}
+		} else {
+			if (fcport->scan_needed ||
+			    fcport->disc_state != DSC_LOGIN_COMPLETE) {
+				if (fcport->login_retry == 0) {
+					fcport->login_retry =
+						vha->hw->login_retry_count;
+					ql_dbg(ql_dbg_disc, vha, 0x20a3,
+					    "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n",
+					    fcport->port_name, fcport->loop_id,
+					    fcport->login_retry);
+				}
+				fcport->scan_needed = 0;
+				qla24xx_fcport_handle_login(vha, fcport);
+			}
+		}
+	}
+
+	recheck = 1;
+out:
+	qla24xx_sp_unmap(vha, sp);
+	spin_lock_irqsave(&vha->work_lock, flags);
+	vha->scan.scan_flags &= ~SF_SCANNING;
+	spin_unlock_irqrestore(&vha->work_lock, flags);
+
+	if (recheck) {
+		list_for_each_entry(fcport, &vha->vp_fcports, list) {
+			if (fcport->scan_needed) {
+				set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+				break;
+			}
+		}
+	}
+}
+
+static int qla2x00_post_gnnft_gpnft_done_work(struct scsi_qla_host *vha,
+    srb_t *sp, int cmd)
+{
+	struct qla_work_evt *e;
+
+	if (cmd != QLA_EVT_GPNFT_DONE && cmd != QLA_EVT_GNNFT_DONE)
+		return QLA_PARAMETER_ERROR;
+
+	e = qla2x00_alloc_work(vha, cmd);
+	if (!e)
+		return QLA_FUNCTION_FAILED;
+
+	e->u.iosb.sp = sp;
+
+	return qla2x00_post_work(vha, e);
+}
+
+static int qla2x00_post_nvme_gpnft_done_work(struct scsi_qla_host *vha,
+    srb_t *sp, int cmd)
+{
+	struct qla_work_evt *e;
+
+	if (cmd != QLA_EVT_GPNFT)
+		return QLA_PARAMETER_ERROR;
+
+	e = qla2x00_alloc_work(vha, cmd);
+	if (!e)
+		return QLA_FUNCTION_FAILED;
+
+	e->u.gpnft.fc4_type = FC4_TYPE_NVME;
+	e->u.gpnft.sp = sp;
+
+	return qla2x00_post_work(vha, e);
+}
+
+static void qla2x00_find_free_fcp_nvme_slot(struct scsi_qla_host *vha,
+	struct srb *sp)
+{
+	struct qla_hw_data *ha = vha->hw;
+	int num_fibre_dev = ha->max_fibre_devices;
+	struct ct_sns_req *ct_req =
+		(struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
+	struct ct_sns_gpnft_rsp *ct_rsp =
+		(struct ct_sns_gpnft_rsp *)sp->u.iocb_cmd.u.ctarg.rsp;
+	struct ct_sns_gpn_ft_data *d;
+	struct fab_scan_rp *rp;
+	u16 cmd = be16_to_cpu(ct_req->command);
+	u8 fc4_type = sp->gen2;
+	int i, j, k;
+	port_id_t id;
+	u8 found;
+	u64 wwn;
+
+	j = 0;
+	for (i = 0; i < num_fibre_dev; i++) {
+		d  = &ct_rsp->entries[i];
+
+		id.b.rsvd_1 = 0;
+		id.b.domain = d->port_id[0];
+		id.b.area   = d->port_id[1];
+		id.b.al_pa  = d->port_id[2];
+		wwn = wwn_to_u64(d->port_name);
+
+		if (id.b24 == 0 || wwn == 0)
+			continue;
+
+		if (fc4_type == FC4_TYPE_FCP_SCSI) {
+			if (cmd == GPN_FT_CMD) {
+				rp = &vha->scan.l[j];
+				rp->id = id;
+				memcpy(rp->port_name, d->port_name, 8);
+				j++;
+				rp->fc4type = FS_FC4TYPE_FCP;
+			} else {
+				for (k = 0; k < num_fibre_dev; k++) {
+					rp = &vha->scan.l[k];
+					if (id.b24 == rp->id.b24) {
+						memcpy(rp->node_name,
+						    d->port_name, 8);
+						break;
+					}
+				}
+			}
+		} else {
+			/* Search if the fibre device supports FC4_TYPE_NVME */
+			if (cmd == GPN_FT_CMD) {
+				found = 0;
+
+				for (k = 0; k < num_fibre_dev; k++) {
+					rp = &vha->scan.l[k];
+					if (!memcmp(rp->port_name,
+					    d->port_name, 8)) {
+						/*
+						 * Supports FC-NVMe & FCP
+						 */
+						rp->fc4type |= FS_FC4TYPE_NVME;
+						found = 1;
+						break;
+					}
+				}
+
+				/* We found new FC-NVMe only port */
+				if (!found) {
+					for (k = 0; k < num_fibre_dev; k++) {
+						rp = &vha->scan.l[k];
+						if (wwn_to_u64(rp->port_name)) {
+							continue;
+						} else {
+							rp->id = id;
+							memcpy(rp->port_name,
+							    d->port_name, 8);
+							rp->fc4type =
+							    FS_FC4TYPE_NVME;
+							break;
+						}
+					}
+				}
+			} else {
+				for (k = 0; k < num_fibre_dev; k++) {
+					rp = &vha->scan.l[k];
+					if (id.b24 == rp->id.b24) {
+						memcpy(rp->node_name,
+						    d->port_name, 8);
+						break;
+					}
+				}
+			}
+		}
+	}
+}
+
+static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
+{
+	struct srb *sp = s;
+	struct scsi_qla_host *vha = sp->vha;
+	struct ct_sns_req *ct_req =
+		(struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
+	u16 cmd = be16_to_cpu(ct_req->command);
+	u8 fc4_type = sp->gen2;
+	unsigned long flags;
+	int rc;
+
+	/* gen2 field is holding the fc4type */
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "Async done-%s res %x FC4Type %x\n",
+	    sp->name, res, sp->gen2);
+
+	sp->rc = res;
+	if (res) {
+		unsigned long flags;
+		const char *name = sp->name;
+
+		/*
+		 * We are in an Interrupt context, queue up this
+		 * sp for GNNFT_DONE work. This will allow all
+		 * the resource to get freed up.
+		 */
+		rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
+		    QLA_EVT_GNNFT_DONE);
+		if (rc) {
+			/* Cleanup here to prevent memory leak */
+			qla24xx_sp_unmap(vha, sp);
+			sp->free(sp);
+		}
+
+		spin_lock_irqsave(&vha->work_lock, flags);
+		vha->scan.scan_flags &= ~SF_SCANNING;
+		vha->scan.scan_retry++;
+		spin_unlock_irqrestore(&vha->work_lock, flags);
+
+		if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
+			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+			qla2xxx_wake_dpc(vha);
+		} else {
+			ql_dbg(ql_dbg_disc, vha, 0xffff,
+			    "Async done-%s rescan failed on all retries.\n",
+			    name);
+		}
+		return;
+	}
+
+	if (!res)
+		qla2x00_find_free_fcp_nvme_slot(vha, sp);
+
+	if ((fc4_type == FC4_TYPE_FCP_SCSI) && vha->flags.nvme_enabled &&
+	    cmd == GNN_FT_CMD) {
+		del_timer(&sp->u.iocb_cmd.timer);
+		spin_lock_irqsave(&vha->work_lock, flags);
+		vha->scan.scan_flags &= ~SF_SCANNING;
+		spin_unlock_irqrestore(&vha->work_lock, flags);
+
+		sp->rc = res;
+		rc = qla2x00_post_nvme_gpnft_done_work(vha, sp, QLA_EVT_GPNFT);
+		if (rc) {
+			qla24xx_sp_unmap(vha, sp);
+			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+			return;
+		}
+		return;
+	}
+
+	if (cmd == GPN_FT_CMD) {
+		del_timer(&sp->u.iocb_cmd.timer);
+		rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
+		    QLA_EVT_GPNFT_DONE);
+	} else {
+		rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
+		    QLA_EVT_GNNFT_DONE);
+	}
+
+	if (rc) {
+		qla24xx_sp_unmap(vha, sp);
+		set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+		return;
+	}
+}
+
+/*
+ * Get WWNN list for fc4_type
+ *
+ * It is assumed the same SRB is re-used from GPNFT to avoid
+ * mem free & re-alloc
+ */
+static int qla24xx_async_gnnft(scsi_qla_host_t *vha, struct srb *sp,
+    u8 fc4_type)
+{
+	int rval = QLA_FUNCTION_FAILED;
+	struct ct_sns_req *ct_req;
+	struct ct_sns_pkt *ct_sns;
+	unsigned long flags;
+
+	if (!vha->flags.online) {
+		spin_lock_irqsave(&vha->work_lock, flags);
+		vha->scan.scan_flags &= ~SF_SCANNING;
+		spin_unlock_irqrestore(&vha->work_lock, flags);
+		goto done_free_sp;
+	}
+
+	if (!sp->u.iocb_cmd.u.ctarg.req || !sp->u.iocb_cmd.u.ctarg.rsp) {
+		ql_log(ql_log_warn, vha, 0xffff,
+		    "%s: req %p rsp %p are not setup\n",
+		    __func__, sp->u.iocb_cmd.u.ctarg.req,
+		    sp->u.iocb_cmd.u.ctarg.rsp);
+		spin_lock_irqsave(&vha->work_lock, flags);
+		vha->scan.scan_flags &= ~SF_SCANNING;
+		spin_unlock_irqrestore(&vha->work_lock, flags);
+		WARN_ON(1);
+		set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+		goto done_free_sp;
+	}
+
+	ql_dbg(ql_dbg_disc, vha, 0xfffff,
+	    "%s: FC4Type %x, CT-PASSTRHU %s command ctarg rsp size %d, ctarg req size %d\n",
+	    __func__, fc4_type, sp->name, sp->u.iocb_cmd.u.ctarg.rsp_size,
+	     sp->u.iocb_cmd.u.ctarg.req_size);
+
+	sp->type = SRB_CT_PTHRU_CMD;
+	sp->name = "gnnft";
+	sp->gen1 = vha->hw->base_qpair->chip_reset;
+	sp->gen2 = fc4_type;
+
+	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
+	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
+
+	memset(sp->u.iocb_cmd.u.ctarg.rsp, 0, sp->u.iocb_cmd.u.ctarg.rsp_size);
+	memset(sp->u.iocb_cmd.u.ctarg.req, 0, sp->u.iocb_cmd.u.ctarg.req_size);
+
+	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
+	/* CT_IU preamble  */
+	ct_req = qla2x00_prep_ct_req(ct_sns, GNN_FT_CMD,
+	    sp->u.iocb_cmd.u.ctarg.rsp_size);
+
+	/* GPN_FT req */
+	ct_req->req.gpn_ft.port_type = fc4_type;
+
+	sp->u.iocb_cmd.u.ctarg.req_size = GNN_FT_REQ_SIZE;
+	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
+
+	sp->done = qla2x00_async_gpnft_gnnft_sp_done;
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS) {
+		spin_lock_irqsave(&vha->work_lock, flags);
+		vha->scan.scan_flags &= ~SF_SCANNING;
+		spin_unlock_irqrestore(&vha->work_lock, flags);
+		goto done_free_sp;
+	}
+
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "Async-%s hdl=%x FC4Type %x.\n", sp->name,
+	    sp->handle, ct_req->req.gpn_ft.port_type);
+	return rval;
+
+done_free_sp:
+	if (sp->u.iocb_cmd.u.ctarg.req) {
+		dma_free_coherent(&vha->hw->pdev->dev,
+		    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
+		    sp->u.iocb_cmd.u.ctarg.req,
+		    sp->u.iocb_cmd.u.ctarg.req_dma);
+		sp->u.iocb_cmd.u.ctarg.req = NULL;
+	}
+	if (sp->u.iocb_cmd.u.ctarg.rsp) {
+		dma_free_coherent(&vha->hw->pdev->dev,
+		    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
+		    sp->u.iocb_cmd.u.ctarg.rsp,
+		    sp->u.iocb_cmd.u.ctarg.rsp_dma);
+		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
+	}
+
+	sp->free(sp);
+
+	return rval;
+} /* GNNFT */
+
+void qla24xx_async_gpnft_done(scsi_qla_host_t *vha, srb_t *sp)
+{
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "%s enter\n", __func__);
+	qla24xx_async_gnnft(vha, sp, sp->gen2);
+}
+
+/* Get WWPN list for certain fc4_type */
+int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp)
+{
+	int rval = QLA_FUNCTION_FAILED;
+	struct ct_sns_req       *ct_req;
+	struct ct_sns_pkt *ct_sns;
+	u32 rspsz;
+	unsigned long flags;
+
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "%s enter\n", __func__);
+
+	if (!vha->flags.online)
+		return rval;
+
+	spin_lock_irqsave(&vha->work_lock, flags);
+	if (vha->scan.scan_flags & SF_SCANNING) {
+		spin_unlock_irqrestore(&vha->work_lock, flags);
+		ql_dbg(ql_dbg_disc, vha, 0xffff, "scan active\n");
+		return rval;
+	}
+	vha->scan.scan_flags |= SF_SCANNING;
+	spin_unlock_irqrestore(&vha->work_lock, flags);
+
+	if (fc4_type == FC4_TYPE_FCP_SCSI) {
+		ql_dbg(ql_dbg_disc, vha, 0xffff,
+		    "%s: Performing FCP Scan\n", __func__);
+
+		if (sp)
+			sp->free(sp); /* should not happen */
+
+		sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
+		if (!sp) {
+			spin_lock_irqsave(&vha->work_lock, flags);
+			vha->scan.scan_flags &= ~SF_SCANNING;
+			spin_unlock_irqrestore(&vha->work_lock, flags);
+			return rval;
+		}
+
+		sp->u.iocb_cmd.u.ctarg.req = dma_zalloc_coherent(
+			&vha->hw->pdev->dev, sizeof(struct ct_sns_pkt),
+			&sp->u.iocb_cmd.u.ctarg.req_dma, GFP_KERNEL);
+		sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
+		if (!sp->u.iocb_cmd.u.ctarg.req) {
+			ql_log(ql_log_warn, vha, 0xffff,
+			    "Failed to allocate ct_sns request.\n");
+			spin_lock_irqsave(&vha->work_lock, flags);
+			vha->scan.scan_flags &= ~SF_SCANNING;
+			spin_unlock_irqrestore(&vha->work_lock, flags);
+			goto done_free_sp;
+		}
+		sp->u.iocb_cmd.u.ctarg.req_size = GPN_FT_REQ_SIZE;
+
+		rspsz = sizeof(struct ct_sns_gpnft_rsp) +
+			((vha->hw->max_fibre_devices - 1) *
+			    sizeof(struct ct_sns_gpn_ft_data));
+
+		sp->u.iocb_cmd.u.ctarg.rsp = dma_zalloc_coherent(
+			&vha->hw->pdev->dev, rspsz,
+			&sp->u.iocb_cmd.u.ctarg.rsp_dma, GFP_KERNEL);
+		sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
+		if (!sp->u.iocb_cmd.u.ctarg.rsp) {
+			ql_log(ql_log_warn, vha, 0xffff,
+			    "Failed to allocate ct_sns request.\n");
+			spin_lock_irqsave(&vha->work_lock, flags);
+			vha->scan.scan_flags &= ~SF_SCANNING;
+			spin_unlock_irqrestore(&vha->work_lock, flags);
+			goto done_free_sp;
+		}
+		sp->u.iocb_cmd.u.ctarg.rsp_size = rspsz;
+
+		ql_dbg(ql_dbg_disc, vha, 0xffff,
+		    "%s scan list size %d\n", __func__, vha->scan.size);
+
+		memset(vha->scan.l, 0, vha->scan.size);
+	} else if (!sp) {
+		ql_dbg(ql_dbg_disc, vha, 0xffff,
+		    "NVME scan did not provide SP\n");
+		return rval;
+	}
+
+	sp->type = SRB_CT_PTHRU_CMD;
+	sp->name = "gpnft";
+	sp->gen1 = vha->hw->base_qpair->chip_reset;
+	sp->gen2 = fc4_type;
+
+	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
+	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
+
+	rspsz = sp->u.iocb_cmd.u.ctarg.rsp_size;
+	memset(sp->u.iocb_cmd.u.ctarg.rsp, 0, sp->u.iocb_cmd.u.ctarg.rsp_size);
+	memset(sp->u.iocb_cmd.u.ctarg.req, 0, sp->u.iocb_cmd.u.ctarg.req_size);
+
+	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
+	/* CT_IU preamble  */
+	ct_req = qla2x00_prep_ct_req(ct_sns, GPN_FT_CMD, rspsz);
+
+	/* GPN_FT req */
+	ct_req->req.gpn_ft.port_type = fc4_type;
+
+	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
+
+	sp->done = qla2x00_async_gpnft_gnnft_sp_done;
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS) {
+		spin_lock_irqsave(&vha->work_lock, flags);
+		vha->scan.scan_flags &= ~SF_SCANNING;
+		spin_unlock_irqrestore(&vha->work_lock, flags);
+		goto done_free_sp;
+	}
+
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "Async-%s hdl=%x FC4Type %x.\n", sp->name,
+	    sp->handle, ct_req->req.gpn_ft.port_type);
+	return rval;
+
+done_free_sp:
+	if (sp->u.iocb_cmd.u.ctarg.req) {
+		dma_free_coherent(&vha->hw->pdev->dev,
+		    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
+		    sp->u.iocb_cmd.u.ctarg.req,
+		    sp->u.iocb_cmd.u.ctarg.req_dma);
+		sp->u.iocb_cmd.u.ctarg.req = NULL;
+	}
+	if (sp->u.iocb_cmd.u.ctarg.rsp) {
+		dma_free_coherent(&vha->hw->pdev->dev,
+		    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
+		    sp->u.iocb_cmd.u.ctarg.rsp,
+		    sp->u.iocb_cmd.u.ctarg.rsp_dma);
+		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
+	}
+
+	sp->free(sp);
+
+	return rval;
+}
+
+void qla_scan_work_fn(struct work_struct *work)
+{
+	struct fab_scan *s = container_of(to_delayed_work(work),
+	    struct fab_scan, scan_work);
+	struct scsi_qla_host *vha = container_of(s, struct scsi_qla_host,
+	    scan);
+	unsigned long flags;
+
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "%s: schedule loop resync\n", __func__);
+	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+	qla2xxx_wake_dpc(vha);
+	spin_lock_irqsave(&vha->work_lock, flags);
+	vha->scan.scan_flags &= ~SF_QUEUED;
+	spin_unlock_irqrestore(&vha->work_lock, flags);
+}
+
+/* GNN_ID */
+void qla24xx_handle_gnnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
+{
+	qla24xx_post_gnl_work(vha, ea->fcport);
+}
+
+static void qla2x00_async_gnnid_sp_done(void *s, int res)
+{
+	struct srb *sp = s;
+	struct scsi_qla_host *vha = sp->vha;
+	fc_port_t *fcport = sp->fcport;
+	u8 *node_name = fcport->ct_desc.ct_sns->p.rsp.rsp.gnn_id.node_name;
+	struct event_arg ea;
+	u64 wwnn;
+
+	fcport->flags &= ~FCF_ASYNC_SENT;
+	wwnn = wwn_to_u64(node_name);
+	if (wwnn)
+		memcpy(fcport->node_name, node_name, WWN_SIZE);
+
+	memset(&ea, 0, sizeof(ea));
+	ea.fcport = fcport;
+	ea.sp = sp;
+	ea.rc = res;
+	ea.event = FCME_GNNID_DONE;
+
+	ql_dbg(ql_dbg_disc, vha, 0x204f,
+	    "Async done-%s res %x, WWPN %8phC %8phC\n",
+	    sp->name, res, fcport->port_name, fcport->node_name);
+
+	qla2x00_fcport_event_handler(vha, &ea);
+
+	sp->free(sp);
+}
+
+int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport)
+{
+	int rval = QLA_FUNCTION_FAILED;
+	struct ct_sns_req       *ct_req;
+	srb_t *sp;
+
+	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
+		return rval;
+
+	fcport->disc_state = DSC_GNN_ID;
+	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
+	if (!sp)
+		goto done;
+
+	fcport->flags |= FCF_ASYNC_SENT;
+	sp->type = SRB_CT_PTHRU_CMD;
+	sp->name = "gnnid";
+	sp->gen1 = fcport->rscn_gen;
+	sp->gen2 = fcport->login_gen;
+
+	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
+	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
+
+	/* CT_IU preamble  */
+	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GNN_ID_CMD,
+	    GNN_ID_RSP_SIZE);
+
+	/* GNN_ID req */
+	ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
+	ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
+	ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
+
+
+	/* req & rsp use the same buffer */
+	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
+	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
+	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
+	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
+	sp->u.iocb_cmd.u.ctarg.req_size = GNN_ID_REQ_SIZE;
+	sp->u.iocb_cmd.u.ctarg.rsp_size = GNN_ID_RSP_SIZE;
+	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
+
+	sp->done = qla2x00_async_gnnid_sp_done;
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS)
+		goto done_free_sp;
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n",
+	    sp->name, fcport->port_name,
+	    sp->handle, fcport->loop_id, fcport->d_id.b24);
+	return rval;
+
+done_free_sp:
+	sp->free(sp);
+	fcport->flags &= ~FCF_ASYNC_SENT;
+done:
+	return rval;
+}
+
+int qla24xx_post_gnnid_work(struct scsi_qla_host *vha, fc_port_t *fcport)
+{
+	struct qla_work_evt *e;
+	int ls;
+
+	ls = atomic_read(&vha->loop_state);
+	if (((ls != LOOP_READY) && (ls != LOOP_UP)) ||
+		test_bit(UNLOADING, &vha->dpc_flags))
+		return 0;
+
+	e = qla2x00_alloc_work(vha, QLA_EVT_GNNID);
+	if (!e)
+		return QLA_FUNCTION_FAILED;
+
+	e->u.fcport.fcport = fcport;
+	return qla2x00_post_work(vha, e);
+}
+
+/* GPFN_ID */
+void qla24xx_handle_gfpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
+{
+	fc_port_t *fcport = ea->fcport;
+
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d fcpcnt %d\n",
+	    __func__, fcport->port_name, fcport->disc_state,
+	    fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
+	    fcport->rscn_gen, ea->sp->gen1, vha->fcport_count);
+
+	if (fcport->disc_state == DSC_DELETE_PEND)
+		return;
+
+	if (ea->sp->gen2 != fcport->login_gen) {
+		/* target side must have changed it. */
+		ql_dbg(ql_dbg_disc, vha, 0x20d3,
+		    "%s %8phC generation changed\n",
+		    __func__, fcport->port_name);
+		return;
+	} else if (ea->sp->gen1 != fcport->rscn_gen) {
+		ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
+		    __func__, __LINE__, fcport->port_name);
+		qla24xx_post_gidpn_work(vha, fcport);
+		return;
+	}
+
+	qla24xx_post_gpsc_work(vha, fcport);
+}
+
+static void qla2x00_async_gfpnid_sp_done(void *s, int res)
+{
+	struct srb *sp = s;
+	struct scsi_qla_host *vha = sp->vha;
+	fc_port_t *fcport = sp->fcport;
+	u8 *fpn = fcport->ct_desc.ct_sns->p.rsp.rsp.gfpn_id.port_name;
+	struct event_arg ea;
+	u64 wwn;
+
+	wwn = wwn_to_u64(fpn);
+	if (wwn)
+		memcpy(fcport->fabric_port_name, fpn, WWN_SIZE);
+
+	memset(&ea, 0, sizeof(ea));
+	ea.fcport = fcport;
+	ea.sp = sp;
+	ea.rc = res;
+	ea.event = FCME_GFPNID_DONE;
+
+	ql_dbg(ql_dbg_disc, vha, 0x204f,
+	    "Async done-%s res %x, WWPN %8phC %8phC\n",
+	    sp->name, res, fcport->port_name, fcport->fabric_port_name);
+
+	qla2x00_fcport_event_handler(vha, &ea);
+
+	sp->free(sp);
+}
+
+int qla24xx_async_gfpnid(scsi_qla_host_t *vha, fc_port_t *fcport)
+{
+	int rval = QLA_FUNCTION_FAILED;
+	struct ct_sns_req       *ct_req;
+	srb_t *sp;
+
+	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
+		return rval;
+
+	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
+	if (!sp)
+		goto done;
+
+	sp->type = SRB_CT_PTHRU_CMD;
+	sp->name = "gfpnid";
+	sp->gen1 = fcport->rscn_gen;
+	sp->gen2 = fcport->login_gen;
+
+	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
+	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
+
+	/* CT_IU preamble  */
+	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GFPN_ID_CMD,
+	    GFPN_ID_RSP_SIZE);
+
+	/* GFPN_ID req */
+	ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
+	ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
+	ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
+
+
+	/* req & rsp use the same buffer */
+	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
+	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
+	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
+	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
+	sp->u.iocb_cmd.u.ctarg.req_size = GFPN_ID_REQ_SIZE;
+	sp->u.iocb_cmd.u.ctarg.rsp_size = GFPN_ID_RSP_SIZE;
+	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
+
+	sp->done = qla2x00_async_gfpnid_sp_done;
+
+	rval = qla2x00_start_sp(sp);
+	if (rval != QLA_SUCCESS)
+		goto done_free_sp;
+
+	ql_dbg(ql_dbg_disc, vha, 0xffff,
+	    "Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n",
+	    sp->name, fcport->port_name,
+	    sp->handle, fcport->loop_id, fcport->d_id.b24);
+	return rval;
+
+done_free_sp:
+	sp->free(sp);
+	fcport->flags &= ~FCF_ASYNC_SENT;
+done:
+	return rval;
+}
+
+int qla24xx_post_gfpnid_work(struct scsi_qla_host *vha, fc_port_t *fcport)
+{
+	struct qla_work_evt *e;
+	int ls;
+
+	ls = atomic_read(&vha->loop_state);
+	if (((ls != LOOP_READY) && (ls != LOOP_UP)) ||
+		test_bit(UNLOADING, &vha->dpc_flags))
+		return 0;
+
+	e = qla2x00_alloc_work(vha, QLA_EVT_GFPNID);
+	if (!e)
+		return QLA_FUNCTION_FAILED;
+
+	e->u.fcport.fcport = fcport;
+	return qla2x00_post_work(vha, e);
+}