Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 2025 insertions, 0 deletions

diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
new file mode 100644
index 00000000..3128f804
--- /dev/null
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -0,0 +1,2025 @@
+/*
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c)  2003-2011 QLogic Corporation
+ *
+ * See LICENSE.qla2xxx for copyright and licensing details.
+ */
+#include "qla_def.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 *);
+
+/**
+ * qla2x00_prep_ms_iocb() - Prepare common MS/CT IOCB fields for SNS CT query.
+ * @ha: 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_iocb(scsi_qla_host_t *vha, uint32_t req_size, uint32_t rsp_size)
+{
+	struct qla_hw_data *ha = vha->hw;
+	ms_iocb_entry_t *ms_pkt;
+
+	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, SIMPLE_NAME_SERVER);
+	ms_pkt->control_flags = __constant_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 = __constant_cpu_to_le16(1);
+	ms_pkt->total_dsd_count = __constant_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_iocb() - Prepare common CT IOCB fields for SNS CT query.
+ * @ha: 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_iocb(scsi_qla_host_t *vha, uint32_t req_size, uint32_t rsp_size)
+{
+	struct qla_hw_data *ha = vha->hw;
+	struct ct_entry_24xx *ct_pkt;
+
+	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 = __constant_cpu_to_le16(NPH_SNS);
+	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
+	ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
+	ct_pkt->rsp_dsd_count = __constant_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);
+}
+
+/**
+ * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
+ * @ct_req: 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_req *ct_req, uint16_t cmd, uint16_t rsp_size)
+{
+	memset(ct_req, 0, sizeof(struct ct_sns_pkt));
+
+	ct_req->header.revision = 0x01;
+	ct_req->header.gs_type = 0xFC;
+	ct_req->header.gs_subtype = 0x02;
+	ct_req->command = cpu_to_be16(cmd);
+	ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
+
+	return (ct_req);
+}
+
+static 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;
+
+	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 !=
+			    __constant_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.\n", routine,
+				    vha->d_id.b.domain, vha->d_id.b.area,
+				    vha->d_id.b.al_pa);
+				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;
+		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.
+ * @ha: 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;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha))
+		return qla2x00_sns_ga_nxt(vha, fcport);
+
+	/* Issue GA_NXT */
+	/* Prepare common MS IOCB */
+	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GA_NXT_REQ_SIZE,
+	    GA_NXT_RSP_SIZE);
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, 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);
+
+		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 %02x%02x%02x%02x%02x%02x%02x%02x "
+		    "pn %02x%02x%02x%02x%02x%02x%02x%02x "
+		    "port_id=%02x%02x%02x.\n",
+		    fcport->node_name[0], fcport->node_name[1],
+		    fcport->node_name[2], fcport->node_name[3],
+		    fcport->node_name[4], fcport->node_name[5],
+		    fcport->node_name[6], fcport->node_name[7],
+		    fcport->port_name[0], fcport->port_name[1],
+		    fcport->port_name[2], fcport->port_name[3],
+		    fcport->port_name[4], fcport->port_name[5],
+		    fcport->port_name[6], fcport->port_name[7],
+		    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.
+ * @ha: 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;
+
+	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);
+	/* Issue GID_PT */
+	/* Prepare common MS IOCB */
+	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GID_PT_REQ_SIZE,
+	    gid_pt_rsp_size);
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, 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.
+ * @ha: 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;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha))
+		return qla2x00_sns_gpn_id(vha, list);
+
+	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, GPN_ID_REQ_SIZE,
+		    GPN_ID_RSP_SIZE);
+
+		/* Prepare CT request */
+		ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, 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.
+ * @ha: 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;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha))
+		return qla2x00_sns_gnn_id(vha, list);
+
+	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, GNN_ID_REQ_SIZE,
+		    GNN_ID_RSP_SIZE);
+
+		/* Prepare CT request */
+		ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, 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 %02x%02x%02x%02x%02x%02x%02X%02x "
+			    "pn %02x%02x%02x%02x%02x%02x%02X%02x "
+			    "portid=%02x%02x%02x.\n",
+			    list[i].node_name[0], list[i].node_name[1],
+			    list[i].node_name[2], list[i].node_name[3],
+			    list[i].node_name[4], list[i].node_name[5],
+			    list[i].node_name[6], list[i].node_name[7],
+			    list[i].port_name[0], list[i].port_name[1],
+			    list[i].port_name[2], list[i].port_name[3],
+			    list[i].port_name[4], list[i].port_name[5],
+			    list[i].port_name[6], list[i].port_name[7],
+			    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_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_rft_id(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;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha))
+		return qla2x00_sns_rft_id(vha);
+
+	/* Issue RFT_ID */
+	/* Prepare common MS IOCB */
+	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, RFT_ID_REQ_SIZE,
+	    RFT_ID_RSP_SIZE);
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFT_ID_CMD,
+	    RFT_ID_RSP_SIZE);
+	ct_rsp = &ha->ct_sns->p.rsp;
+
+	/* 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 */
+
+	/* 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, 0x2043,
+		    "RFT_ID issue IOCB failed (%d).\n", rval);
+	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RFT_ID") !=
+	    QLA_SUCCESS) {
+		rval = QLA_FUNCTION_FAILED;
+	} else {
+		ql_dbg(ql_dbg_disc, vha, 0x2044,
+		    "RFT_ID exiting normally.\n");
+	}
+
+	return (rval);
+}
+
+/**
+ * qla2x00_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the HBA.
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_rff_id(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;
+
+	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);
+	}
+
+	/* Issue RFF_ID */
+	/* Prepare common MS IOCB */
+	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, RFF_ID_REQ_SIZE,
+	    RFF_ID_RSP_SIZE);
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFF_ID_CMD,
+	    RFF_ID_RSP_SIZE);
+	ct_rsp = &ha->ct_sns->p.rsp;
+
+	/* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */
+	ct_req->req.rff_id.port_id[0] = vha->d_id.b.domain;
+	ct_req->req.rff_id.port_id[1] = vha->d_id.b.area;
+	ct_req->req.rff_id.port_id[2] = vha->d_id.b.al_pa;
+
+	ct_req->req.rff_id.fc4_feature = BIT_1;
+	ct_req->req.rff_id.fc4_type = 0x08;		/* SCSI - FCP */
+
+	/* 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, 0x2047,
+		    "RFF_ID issue IOCB failed (%d).\n", rval);
+	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RFF_ID") !=
+	    QLA_SUCCESS) {
+		rval = QLA_FUNCTION_FAILED;
+	} else {
+		ql_dbg(ql_dbg_disc, vha, 0x2048,
+		    "RFF_ID exiting normally.\n");
+	}
+
+	return (rval);
+}
+
+/**
+ * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_rnn_id(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;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha))
+		return qla2x00_sns_rnn_id(vha);
+
+	/* Issue RNN_ID */
+	/* Prepare common MS IOCB */
+	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, RNN_ID_REQ_SIZE,
+	    RNN_ID_RSP_SIZE);
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RNN_ID_CMD,
+	    RNN_ID_RSP_SIZE);
+	ct_rsp = &ha->ct_sns->p.rsp;
+
+	/* 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);
+
+	/* 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, 0x204d,
+		    "RNN_ID issue IOCB failed (%d).\n", rval);
+	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RNN_ID") !=
+	    QLA_SUCCESS) {
+		rval = QLA_FUNCTION_FAILED;
+	} else {
+		ql_dbg(ql_dbg_disc, vha, 0x204e,
+		    "RNN_ID exiting normally.\n");
+	}
+
+	return (rval);
+}
+
+void
+qla2x00_get_sym_node_name(scsi_qla_host_t *vha, uint8_t *snn)
+{
+	struct qla_hw_data *ha = vha->hw;
+	sprintf(snn, "%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.
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_rsnn_nn(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;
+
+	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);
+	}
+
+	/* Issue RSNN_NN */
+	/* Prepare common MS IOCB */
+	/*   Request size adjusted after CT preparation */
+	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, 0, RSNN_NN_RSP_SIZE);
+
+	/* Prepare CT request */
+	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RSNN_NN_CMD,
+	    RSNN_NN_RSP_SIZE);
+	ct_rsp = &ha->ct_sns->p.rsp;
+
+	/* 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);
+
+	/* Calculate SNN length */
+	ct_req->req.rsnn_nn.name_len =
+	    (uint8_t)strlen(ct_req->req.rsnn_nn.sym_node_name);
+
+	/* Update MS IOCB request */
+	ms_pkt->req_bytecount =
+	    cpu_to_le32(24 + 1 + ct_req->req.rsnn_nn.name_len);
+	ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
+
+	/* 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, 0x2051,
+		    "RSNN_NN issue IOCB failed (%d).\n", rval);
+	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RSNN_NN") !=
+	    QLA_SUCCESS) {
+		rval = QLA_FUNCTION_FAILED;
+	} else {
+		ql_dbg(ql_dbg_disc, vha, 0x2052,
+		    "RSNN_NN exiting normally.\n");
+	}
+
+	return (rval);
+}
+
+/**
+ * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
+ * @ha: 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);
+
+	return (sns_cmd);
+}
+
+/**
+ * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
+ * @ha: 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 %02x%02x%02x%02x%02x%02x%02x%02x "
+		    "pn %02x%02x%02x%02x%02x%02x%02x%02x "
+		    "port_id=%02x%02x%02x.\n",
+		    fcport->node_name[0], fcport->node_name[1],
+		    fcport->node_name[2], fcport->node_name[3],
+		    fcport->node_name[4], fcport->node_name[5],
+		    fcport->node_name[6], fcport->node_name[7],
+		    fcport->port_name[0], fcport->port_name[1],
+		    fcport->port_name[2], fcport->port_name[3],
+		    fcport->port_name[4], fcport->port_name[5],
+		    fcport->port_name[6], fcport->port_name[7],
+		    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.
+ * @ha: 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.
+ * @ha: 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, 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.
+ * @ha: 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 %02x%02x%02x%02x%02x%02x%02x%02x "
+			    "pn %02x%02x%02x%02x%02x%02x%02x%02x "
+			    "port_id=%02x%02x%02x.\n",
+			    list[i].node_name[0], list[i].node_name[1],
+			    list[i].node_name[2], list[i].node_name[3],
+			    list[i].node_name[4], list[i].node_name[5],
+			    list[i].node_name[6], list[i].node_name[7],
+			    list[i].port_name[0], list[i].port_name[1],
+			    list[i].port_name[2], list[i].port_name[3],
+			    list[i].port_name[4], list[i].port_name[5],
+			    list[i].port_name[6], list[i].port_name[7],
+			    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.
+ * @ha: 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.
+ * HBA.
+ * @ha: 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.
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+static 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|BIT_0);
+	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.
+ * @ha: 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 = __constant_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 = __constant_cpu_to_le16(1);
+	ms_pkt->total_dsd_count = __constant_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.
+ * @ha: 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 = __constant_cpu_to_le16(1);
+	ct_pkt->rsp_dsd_count = __constant_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.
+ * @ct_req: 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_req *ct_req, uint16_t cmd,
+    uint16_t rsp_size)
+{
+	memset(ct_req, 0, sizeof(struct ct_sns_pkt));
+
+	ct_req->header.revision = 0x01;
+	ct_req->header.gs_type = 0xFA;
+	ct_req->header.gs_subtype = 0x10;
+	ct_req->command = cpu_to_be16(cmd);
+	ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
+
+	return ct_req;
+}
+
+/**
+ * qla2x00_fdmi_rhba() -
+ * @ha: 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;
+	uint8_t *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->p.req, 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 = __constant_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 =
+	    __constant_cpu_to_be32(FDMI_HBA_ATTR_COUNT);
+	entries = ct_req->req.rhba.hba_identifier;
+
+	/* Nodename. */
+	eiter = (struct ct_fdmi_hba_attr *) (entries + size);
+	eiter->type = __constant_cpu_to_be16(FDMI_HBA_NODE_NAME);
+	eiter->len = __constant_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 = %02x%02x%02x%02x%02x%02x%02x%02x.\n",
+	    eiter->a.node_name[0], eiter->a.node_name[1],
+	    eiter->a.node_name[2], eiter->a.node_name[3],
+	    eiter->a.node_name[4], eiter->a.node_name[5],
+	    eiter->a.node_name[6], eiter->a.node_name[7]);
+
+	/* Manufacturer. */
+	eiter = (struct ct_fdmi_hba_attr *) (entries + size);
+	eiter->type = __constant_cpu_to_be16(FDMI_HBA_MANUFACTURER);
+	strcpy(eiter->a.manufacturer, "QLogic Corporation");
+	alen = strlen(eiter->a.manufacturer);
+	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+	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 = (struct ct_fdmi_hba_attr *) (entries + size);
+	eiter->type = __constant_cpu_to_be16(FDMI_HBA_SERIAL_NUMBER);
+	sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
+	sprintf(eiter->a.serial_num, "%c%05d", 'A' + sn / 100000, sn % 100000);
+	alen = strlen(eiter->a.serial_num);
+	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+	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 = (struct ct_fdmi_hba_attr *) (entries + size);
+	eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL);
+	strcpy(eiter->a.model, ha->model_number);
+	alen = strlen(eiter->a.model);
+	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+	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 = (struct ct_fdmi_hba_attr *) (entries + size);
+	eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL_DESCRIPTION);
+	if (ha->model_desc)
+		strncpy(eiter->a.model_desc, ha->model_desc, 80);
+	alen = strlen(eiter->a.model_desc);
+	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+	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 = (struct ct_fdmi_hba_attr *) (entries + size);
+	eiter->type = __constant_cpu_to_be16(FDMI_HBA_HARDWARE_VERSION);
+	strcpy(eiter->a.hw_version, ha->adapter_id);
+	alen = strlen(eiter->a.hw_version);
+	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+	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 = (struct ct_fdmi_hba_attr *) (entries + size);
+	eiter->type = __constant_cpu_to_be16(FDMI_HBA_DRIVER_VERSION);
+	strcpy(eiter->a.driver_version, qla2x00_version_str);
+	alen = strlen(eiter->a.driver_version);
+	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+	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 = (struct ct_fdmi_hba_attr *) (entries + size);
+	eiter->type = __constant_cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
+	strcpy(eiter->a.orom_version, "0.00");
+	alen = strlen(eiter->a.orom_version);
+	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+	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 = (struct ct_fdmi_hba_attr *) (entries + size);
+	eiter->type = __constant_cpu_to_be16(FDMI_HBA_FIRMWARE_VERSION);
+	ha->isp_ops->fw_version_str(vha, eiter->a.fw_version);
+	alen = strlen(eiter->a.fw_version);
+	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+	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 = "
+	    "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n",
+	    ct_req->req.rhba.hba_identifier[0],
+	    ct_req->req.rhba.hba_identifier[1],
+	    ct_req->req.rhba.hba_identifier[2],
+	    ct_req->req.rhba.hba_identifier[3],
+	    ct_req->req.rhba.hba_identifier[4],
+	    ct_req->req.rhba.hba_identifier[5],
+	    ct_req->req.rhba.hba_identifier[6],
+	    ct_req->req.rhba.hba_identifier[7], 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, 0x2035,
+		    "RHBA exiting normally.\n");
+	}
+
+	return rval;
+}
+
+/**
+ * qla2x00_fdmi_dhba() -
+ * @ha: 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->p.req, 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 = %02x%02x%02x%02x%02x%02x%02x%02x.\n",
+	    ct_req->req.dhba.port_name[0], ct_req->req.dhba.port_name[1],
+	    ct_req->req.dhba.port_name[2], ct_req->req.dhba.port_name[3],
+	    ct_req->req.dhba.port_name[4], ct_req->req.dhba.port_name[5],
+	    ct_req->req.dhba.port_name[6], ct_req->req.dhba.port_name[7]);
+
+	/* 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_fdmi_rpa() -
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_fdmi_rpa(scsi_qla_host_t *vha)
+{
+	int rval, alen;
+	uint32_t size, max_frame_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;
+	uint8_t *entries;
+	struct ct_fdmi_port_attr *eiter;
+	struct init_cb_24xx *icb24 = (struct init_cb_24xx *)ha->init_cb;
+
+	/* 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->p.req, 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 =
+	    __constant_cpu_to_be32(FDMI_PORT_ATTR_COUNT - 1);
+	entries = ct_req->req.rpa.port_name;
+
+	/* FC4 types. */
+	eiter = (struct ct_fdmi_port_attr *) (entries + size);
+	eiter->type = __constant_cpu_to_be16(FDMI_PORT_FC4_TYPES);
+	eiter->len = __constant_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 = (struct ct_fdmi_port_attr *) (entries + size);
+	eiter->type = __constant_cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
+	eiter->len = __constant_cpu_to_be16(4 + 4);
+	if (IS_CNA_CAPABLE(ha))
+		eiter->a.sup_speed = __constant_cpu_to_be32(
+		    FDMI_PORT_SPEED_10GB);
+	else if (IS_QLA25XX(ha))
+		eiter->a.sup_speed = __constant_cpu_to_be32(
+		    FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB|
+		    FDMI_PORT_SPEED_4GB|FDMI_PORT_SPEED_8GB);
+	else if (IS_QLA24XX_TYPE(ha))
+		eiter->a.sup_speed = __constant_cpu_to_be32(
+		    FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB|
+		    FDMI_PORT_SPEED_4GB);
+	else if (IS_QLA23XX(ha))
+		eiter->a.sup_speed =__constant_cpu_to_be32(
+		    FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB);
+	else
+		eiter->a.sup_speed = __constant_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 = (struct ct_fdmi_port_attr *) (entries + size);
+	eiter->type = __constant_cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
+	eiter->len = __constant_cpu_to_be16(4 + 4);
+	switch (ha->link_data_rate) {
+	case PORT_SPEED_1GB:
+		eiter->a.cur_speed =
+		    __constant_cpu_to_be32(FDMI_PORT_SPEED_1GB);
+		break;
+	case PORT_SPEED_2GB:
+		eiter->a.cur_speed =
+		    __constant_cpu_to_be32(FDMI_PORT_SPEED_2GB);
+		break;
+	case PORT_SPEED_4GB:
+		eiter->a.cur_speed =
+		    __constant_cpu_to_be32(FDMI_PORT_SPEED_4GB);
+		break;
+	case PORT_SPEED_8GB:
+		eiter->a.cur_speed =
+		    __constant_cpu_to_be32(FDMI_PORT_SPEED_8GB);
+		break;
+	case PORT_SPEED_10GB:
+		eiter->a.cur_speed =
+		    __constant_cpu_to_be32(FDMI_PORT_SPEED_10GB);
+		break;
+	case PORT_SPEED_16GB:
+		eiter->a.cur_speed =
+		    __constant_cpu_to_be32(FDMI_PORT_SPEED_16GB);
+		break;
+	default:
+		eiter->a.cur_speed =
+		    __constant_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 = (struct ct_fdmi_port_attr *) (entries + size);
+	eiter->type = __constant_cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
+	eiter->len = __constant_cpu_to_be16(4 + 4);
+	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(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 = (struct ct_fdmi_port_attr *) (entries + size);
+	eiter->type = __constant_cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
+	strcpy(eiter->a.os_dev_name, QLA2XXX_DRIVER_NAME);
+	alen = strlen(eiter->a.os_dev_name);
+	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+	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. */
+	if (strlen(fc_host_system_hostname(vha->host))) {
+		ct_req->req.rpa.attrs.count =
+		    __constant_cpu_to_be32(FDMI_PORT_ATTR_COUNT);
+		eiter = (struct ct_fdmi_port_attr *) (entries + size);
+		eiter->type = __constant_cpu_to_be16(FDMI_PORT_HOST_NAME);
+		snprintf(eiter->a.host_name, sizeof(eiter->a.host_name),
+		    "%s", fc_host_system_hostname(vha->host));
+		alen = strlen(eiter->a.host_name);
+		alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+		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= %02x%02x%02x%02x%02X%02x%02x%02x size=%d.\n",
+	    ct_req->req.rpa.port_name[0], ct_req->req.rpa.port_name[1],
+	    ct_req->req.rpa.port_name[2], ct_req->req.rpa.port_name[3],
+	    ct_req->req.rpa.port_name[4], ct_req->req.rpa.port_name[5],
+	    ct_req->req.rpa.port_name[6], ct_req->req.rpa.port_name[7],
+	    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;
+	} else {
+		ql_dbg(ql_dbg_disc, vha, 0x2041,
+		    "RPA exiting nornally.\n");
+	}
+
+	return rval;
+}
+
+/**
+ * qla2x00_fdmi_register() -
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_fdmi_register(scsi_qla_host_t *vha)
+{
+	int rval;
+       struct qla_hw_data *ha = vha->hw;
+
+	if (IS_QLA2100(ha) || IS_QLA2200(ha))
+		return QLA_FUNCTION_FAILED;
+
+	rval = qla2x00_mgmt_svr_login(vha);
+	if (rval)
+		return rval;
+
+	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);
+
+	return rval;
+}
+
+/**
+ * qla2x00_gfpn_id() - SNS Get Fabric Port Name (GFPN_ID) query.
+ * @ha: 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;
+
+	if (!IS_IIDMA_CAPABLE(ha))
+		return QLA_FUNCTION_FAILED;
+
+	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, GFPN_ID_REQ_SIZE,
+		    GFPN_ID_RSP_SIZE);
+
+		/* Prepare CT request */
+		ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, 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 void *
+qla24xx_prep_ms_fm_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 = __constant_cpu_to_le16(1);
+	ct_pkt->rsp_dsd_count = __constant_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 struct ct_sns_req *
+qla24xx_prep_ct_fm_req(struct ct_sns_req *ct_req, uint16_t cmd,
+    uint16_t rsp_size)
+{
+	memset(ct_req, 0, sizeof(struct ct_sns_pkt));
+
+	ct_req->header.revision = 0x01;
+	ct_req->header.gs_type = 0xFA;
+	ct_req->header.gs_subtype = 0x01;
+	ct_req->command = cpu_to_be16(cmd);
+	ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
+
+	return ct_req;
+}
+
+/**
+ * qla2x00_gpsc() - FCS Get Port Speed Capabilities (GPSC) query.
+ * @ha: 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;
+
+	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;
+
+	for (i = 0; i < ha->max_fibre_devices; i++) {
+		/* Issue GFPN_ID */
+		/* Prepare common MS IOCB */
+		ms_pkt = qla24xx_prep_ms_fm_iocb(vha, GPSC_REQ_SIZE,
+		    GPSC_RSP_SIZE);
+
+		/* Prepare CT request */
+		ct_req = qla24xx_prep_ct_fm_req(&ha->ct_sns->p.req,
+		    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;
+			}
+
+			ql_dbg(ql_dbg_disc, vha, 0x205b,
+			    "GPSC ext entry - fpn "
+			    "%02x%02x%02x%02x%02x%02x%02x%02x speeds=%04x "
+			    "speed=%04x.\n",
+			    list[i].fabric_port_name[0],
+			    list[i].fabric_port_name[1],
+			    list[i].fabric_port_name[2],
+			    list[i].fabric_port_name[3],
+			    list[i].fabric_port_name[4],
+			    list[i].fabric_port_name[5],
+			    list[i].fabric_port_name[6],
+			    list[i].fabric_port_name[7],
+			    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.
+ *
+ * @ha: 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;
+
+	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;
+
+		/* Prepare common MS IOCB */
+		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GFF_ID_REQ_SIZE,
+		    GFF_ID_RSP_SIZE);
+
+		/* Prepare CT request */
+		ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, 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;
+		}
+
+		/* Last device exit. */
+		if (list[i].d_id.b.rsvd_1 != 0)
+			break;
+	}
+}