xref: /linux/drivers/scsi/qla2xxx/qla_gs.c (revision b43ab901d671e3e3cad425ea5e9a3c74e266dcdd)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2011 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 
9 static int qla2x00_sns_ga_nxt(scsi_qla_host_t *, fc_port_t *);
10 static int qla2x00_sns_gid_pt(scsi_qla_host_t *, sw_info_t *);
11 static int qla2x00_sns_gpn_id(scsi_qla_host_t *, sw_info_t *);
12 static int qla2x00_sns_gnn_id(scsi_qla_host_t *, sw_info_t *);
13 static int qla2x00_sns_rft_id(scsi_qla_host_t *);
14 static int qla2x00_sns_rnn_id(scsi_qla_host_t *);
15 
16 /**
17  * qla2x00_prep_ms_iocb() - Prepare common MS/CT IOCB fields for SNS CT query.
18  * @ha: HA context
19  * @req_size: request size in bytes
20  * @rsp_size: response size in bytes
21  *
22  * Returns a pointer to the @ha's ms_iocb.
23  */
24 void *
25 qla2x00_prep_ms_iocb(scsi_qla_host_t *vha, uint32_t req_size, uint32_t rsp_size)
26 {
27 	struct qla_hw_data *ha = vha->hw;
28 	ms_iocb_entry_t *ms_pkt;
29 
30 	ms_pkt = ha->ms_iocb;
31 	memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
32 
33 	ms_pkt->entry_type = MS_IOCB_TYPE;
34 	ms_pkt->entry_count = 1;
35 	SET_TARGET_ID(ha, ms_pkt->loop_id, SIMPLE_NAME_SERVER);
36 	ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
37 	ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
38 	ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
39 	ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
40 	ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
41 	ms_pkt->req_bytecount = cpu_to_le32(req_size);
42 
43 	ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
44 	ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
45 	ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
46 
47 	ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
48 	ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
49 	ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
50 
51 	return (ms_pkt);
52 }
53 
54 /**
55  * qla24xx_prep_ms_iocb() - Prepare common CT IOCB fields for SNS CT query.
56  * @ha: HA context
57  * @req_size: request size in bytes
58  * @rsp_size: response size in bytes
59  *
60  * Returns a pointer to the @ha's ms_iocb.
61  */
62 void *
63 qla24xx_prep_ms_iocb(scsi_qla_host_t *vha, uint32_t req_size, uint32_t rsp_size)
64 {
65 	struct qla_hw_data *ha = vha->hw;
66 	struct ct_entry_24xx *ct_pkt;
67 
68 	ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
69 	memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
70 
71 	ct_pkt->entry_type = CT_IOCB_TYPE;
72 	ct_pkt->entry_count = 1;
73 	ct_pkt->nport_handle = __constant_cpu_to_le16(NPH_SNS);
74 	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
75 	ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
76 	ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
77 	ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
78 	ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
79 
80 	ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
81 	ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
82 	ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
83 
84 	ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
85 	ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
86 	ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
87 	ct_pkt->vp_index = vha->vp_idx;
88 
89 	return (ct_pkt);
90 }
91 
92 /**
93  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
94  * @ct_req: CT request buffer
95  * @cmd: GS command
96  * @rsp_size: response size in bytes
97  *
98  * Returns a pointer to the intitialized @ct_req.
99  */
100 static inline struct ct_sns_req *
101 qla2x00_prep_ct_req(struct ct_sns_req *ct_req, uint16_t cmd, uint16_t rsp_size)
102 {
103 	memset(ct_req, 0, sizeof(struct ct_sns_pkt));
104 
105 	ct_req->header.revision = 0x01;
106 	ct_req->header.gs_type = 0xFC;
107 	ct_req->header.gs_subtype = 0x02;
108 	ct_req->command = cpu_to_be16(cmd);
109 	ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
110 
111 	return (ct_req);
112 }
113 
114 static int
115 qla2x00_chk_ms_status(scsi_qla_host_t *vha, ms_iocb_entry_t *ms_pkt,
116     struct ct_sns_rsp *ct_rsp, const char *routine)
117 {
118 	int rval;
119 	uint16_t comp_status;
120 	struct qla_hw_data *ha = vha->hw;
121 
122 	rval = QLA_FUNCTION_FAILED;
123 	if (ms_pkt->entry_status != 0) {
124 		ql_dbg(ql_dbg_disc, vha, 0x2031,
125 		    "%s failed, error status (%x) on port_id: %02x%02x%02x.\n",
126 		    routine, ms_pkt->entry_status, vha->d_id.b.domain,
127 		    vha->d_id.b.area, vha->d_id.b.al_pa);
128 	} else {
129 		if (IS_FWI2_CAPABLE(ha))
130 			comp_status = le16_to_cpu(
131 			    ((struct ct_entry_24xx *)ms_pkt)->comp_status);
132 		else
133 			comp_status = le16_to_cpu(ms_pkt->status);
134 		switch (comp_status) {
135 		case CS_COMPLETE:
136 		case CS_DATA_UNDERRUN:
137 		case CS_DATA_OVERRUN:		/* Overrun? */
138 			if (ct_rsp->header.response !=
139 			    __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
140 				ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2077,
141 				    "%s failed rejected request on port_id: "
142 				    "%02x%02x%02x.\n", routine,
143 				    vha->d_id.b.domain, vha->d_id.b.area,
144 				    vha->d_id.b.al_pa);
145 				ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha,
146 				    0x2078, (uint8_t *)&ct_rsp->header,
147 				    sizeof(struct ct_rsp_hdr));
148 				rval = QLA_INVALID_COMMAND;
149 			} else
150 				rval = QLA_SUCCESS;
151 			break;
152 		default:
153 			ql_dbg(ql_dbg_disc, vha, 0x2033,
154 			    "%s failed, completion status (%x) on port_id: "
155 			    "%02x%02x%02x.\n", routine, comp_status,
156 			    vha->d_id.b.domain, vha->d_id.b.area,
157 			    vha->d_id.b.al_pa);
158 			break;
159 		}
160 	}
161 	return rval;
162 }
163 
164 /**
165  * qla2x00_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
166  * @ha: HA context
167  * @fcport: fcport entry to updated
168  *
169  * Returns 0 on success.
170  */
171 int
172 qla2x00_ga_nxt(scsi_qla_host_t *vha, fc_port_t *fcport)
173 {
174 	int		rval;
175 
176 	ms_iocb_entry_t	*ms_pkt;
177 	struct ct_sns_req	*ct_req;
178 	struct ct_sns_rsp	*ct_rsp;
179 	struct qla_hw_data *ha = vha->hw;
180 
181 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
182 		return qla2x00_sns_ga_nxt(vha, fcport);
183 
184 	/* Issue GA_NXT */
185 	/* Prepare common MS IOCB */
186 	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GA_NXT_REQ_SIZE,
187 	    GA_NXT_RSP_SIZE);
188 
189 	/* Prepare CT request */
190 	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GA_NXT_CMD,
191 	    GA_NXT_RSP_SIZE);
192 	ct_rsp = &ha->ct_sns->p.rsp;
193 
194 	/* Prepare CT arguments -- port_id */
195 	ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
196 	ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
197 	ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
198 
199 	/* Execute MS IOCB */
200 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
201 	    sizeof(ms_iocb_entry_t));
202 	if (rval != QLA_SUCCESS) {
203 		/*EMPTY*/
204 		ql_dbg(ql_dbg_disc, vha, 0x2062,
205 		    "GA_NXT issue IOCB failed (%d).\n", rval);
206 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GA_NXT") !=
207 	    QLA_SUCCESS) {
208 		rval = QLA_FUNCTION_FAILED;
209 	} else {
210 		/* Populate fc_port_t entry. */
211 		fcport->d_id.b.domain = ct_rsp->rsp.ga_nxt.port_id[0];
212 		fcport->d_id.b.area = ct_rsp->rsp.ga_nxt.port_id[1];
213 		fcport->d_id.b.al_pa = ct_rsp->rsp.ga_nxt.port_id[2];
214 
215 		memcpy(fcport->node_name, ct_rsp->rsp.ga_nxt.node_name,
216 		    WWN_SIZE);
217 		memcpy(fcport->port_name, ct_rsp->rsp.ga_nxt.port_name,
218 		    WWN_SIZE);
219 
220 		if (ct_rsp->rsp.ga_nxt.port_type != NS_N_PORT_TYPE &&
221 		    ct_rsp->rsp.ga_nxt.port_type != NS_NL_PORT_TYPE)
222 			fcport->d_id.b.domain = 0xf0;
223 
224 		ql_dbg(ql_dbg_disc, vha, 0x2063,
225 		    "GA_NXT entry - nn %02x%02x%02x%02x%02x%02x%02x%02x "
226 		    "pn %02x%02x%02x%02x%02x%02x%02x%02x "
227 		    "port_id=%02x%02x%02x.\n",
228 		    fcport->node_name[0], fcport->node_name[1],
229 		    fcport->node_name[2], fcport->node_name[3],
230 		    fcport->node_name[4], fcport->node_name[5],
231 		    fcport->node_name[6], fcport->node_name[7],
232 		    fcport->port_name[0], fcport->port_name[1],
233 		    fcport->port_name[2], fcport->port_name[3],
234 		    fcport->port_name[4], fcport->port_name[5],
235 		    fcport->port_name[6], fcport->port_name[7],
236 		    fcport->d_id.b.domain, fcport->d_id.b.area,
237 		    fcport->d_id.b.al_pa);
238 	}
239 
240 	return (rval);
241 }
242 
243 /**
244  * qla2x00_gid_pt() - SNS scan for fabric devices via GID_PT command.
245  * @ha: HA context
246  * @list: switch info entries to populate
247  *
248  * NOTE: Non-Nx_Ports are not requested.
249  *
250  * Returns 0 on success.
251  */
252 int
253 qla2x00_gid_pt(scsi_qla_host_t *vha, sw_info_t *list)
254 {
255 	int		rval;
256 	uint16_t	i;
257 
258 	ms_iocb_entry_t	*ms_pkt;
259 	struct ct_sns_req	*ct_req;
260 	struct ct_sns_rsp	*ct_rsp;
261 
262 	struct ct_sns_gid_pt_data *gid_data;
263 	struct qla_hw_data *ha = vha->hw;
264 
265 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
266 		return qla2x00_sns_gid_pt(vha, list);
267 
268 	gid_data = NULL;
269 
270 	/* Issue GID_PT */
271 	/* Prepare common MS IOCB */
272 	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GID_PT_REQ_SIZE,
273 	    GID_PT_RSP_SIZE);
274 
275 	/* Prepare CT request */
276 	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GID_PT_CMD,
277 	    GID_PT_RSP_SIZE);
278 	ct_rsp = &ha->ct_sns->p.rsp;
279 
280 	/* Prepare CT arguments -- port_type */
281 	ct_req->req.gid_pt.port_type = NS_NX_PORT_TYPE;
282 
283 	/* Execute MS IOCB */
284 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
285 	    sizeof(ms_iocb_entry_t));
286 	if (rval != QLA_SUCCESS) {
287 		/*EMPTY*/
288 		ql_dbg(ql_dbg_disc, vha, 0x2055,
289 		    "GID_PT issue IOCB failed (%d).\n", rval);
290 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GID_PT") !=
291 	    QLA_SUCCESS) {
292 		rval = QLA_FUNCTION_FAILED;
293 	} else {
294 		/* Set port IDs in switch info list. */
295 		for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
296 			gid_data = &ct_rsp->rsp.gid_pt.entries[i];
297 			list[i].d_id.b.domain = gid_data->port_id[0];
298 			list[i].d_id.b.area = gid_data->port_id[1];
299 			list[i].d_id.b.al_pa = gid_data->port_id[2];
300 			memset(list[i].fabric_port_name, 0, WWN_SIZE);
301 			list[i].fp_speed = PORT_SPEED_UNKNOWN;
302 
303 			/* Last one exit. */
304 			if (gid_data->control_byte & BIT_7) {
305 				list[i].d_id.b.rsvd_1 = gid_data->control_byte;
306 				break;
307 			}
308 		}
309 
310 		/*
311 		 * If we've used all available slots, then the switch is
312 		 * reporting back more devices than we can handle with this
313 		 * single call.  Return a failed status, and let GA_NXT handle
314 		 * the overload.
315 		 */
316 		if (i == MAX_FIBRE_DEVICES)
317 			rval = QLA_FUNCTION_FAILED;
318 	}
319 
320 	return (rval);
321 }
322 
323 /**
324  * qla2x00_gpn_id() - SNS Get Port Name (GPN_ID) query.
325  * @ha: HA context
326  * @list: switch info entries to populate
327  *
328  * Returns 0 on success.
329  */
330 int
331 qla2x00_gpn_id(scsi_qla_host_t *vha, sw_info_t *list)
332 {
333 	int		rval;
334 	uint16_t	i;
335 
336 	ms_iocb_entry_t	*ms_pkt;
337 	struct ct_sns_req	*ct_req;
338 	struct ct_sns_rsp	*ct_rsp;
339 	struct qla_hw_data *ha = vha->hw;
340 
341 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
342 		return qla2x00_sns_gpn_id(vha, list);
343 
344 	for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
345 		/* Issue GPN_ID */
346 		/* Prepare common MS IOCB */
347 		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GPN_ID_REQ_SIZE,
348 		    GPN_ID_RSP_SIZE);
349 
350 		/* Prepare CT request */
351 		ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GPN_ID_CMD,
352 		    GPN_ID_RSP_SIZE);
353 		ct_rsp = &ha->ct_sns->p.rsp;
354 
355 		/* Prepare CT arguments -- port_id */
356 		ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
357 		ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
358 		ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
359 
360 		/* Execute MS IOCB */
361 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
362 		    sizeof(ms_iocb_entry_t));
363 		if (rval != QLA_SUCCESS) {
364 			/*EMPTY*/
365 			ql_dbg(ql_dbg_disc, vha, 0x2056,
366 			    "GPN_ID issue IOCB failed (%d).\n", rval);
367 		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
368 		    "GPN_ID") != QLA_SUCCESS) {
369 			rval = QLA_FUNCTION_FAILED;
370 		} else {
371 			/* Save portname */
372 			memcpy(list[i].port_name,
373 			    ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
374 		}
375 
376 		/* Last device exit. */
377 		if (list[i].d_id.b.rsvd_1 != 0)
378 			break;
379 	}
380 
381 	return (rval);
382 }
383 
384 /**
385  * qla2x00_gnn_id() - SNS Get Node Name (GNN_ID) query.
386  * @ha: HA context
387  * @list: switch info entries to populate
388  *
389  * Returns 0 on success.
390  */
391 int
392 qla2x00_gnn_id(scsi_qla_host_t *vha, sw_info_t *list)
393 {
394 	int		rval;
395 	uint16_t	i;
396 	struct qla_hw_data *ha = vha->hw;
397 	ms_iocb_entry_t	*ms_pkt;
398 	struct ct_sns_req	*ct_req;
399 	struct ct_sns_rsp	*ct_rsp;
400 
401 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
402 		return qla2x00_sns_gnn_id(vha, list);
403 
404 	for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
405 		/* Issue GNN_ID */
406 		/* Prepare common MS IOCB */
407 		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GNN_ID_REQ_SIZE,
408 		    GNN_ID_RSP_SIZE);
409 
410 		/* Prepare CT request */
411 		ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GNN_ID_CMD,
412 		    GNN_ID_RSP_SIZE);
413 		ct_rsp = &ha->ct_sns->p.rsp;
414 
415 		/* Prepare CT arguments -- port_id */
416 		ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
417 		ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
418 		ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
419 
420 		/* Execute MS IOCB */
421 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
422 		    sizeof(ms_iocb_entry_t));
423 		if (rval != QLA_SUCCESS) {
424 			/*EMPTY*/
425 			ql_dbg(ql_dbg_disc, vha, 0x2057,
426 			    "GNN_ID issue IOCB failed (%d).\n", rval);
427 		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
428 		    "GNN_ID") != QLA_SUCCESS) {
429 			rval = QLA_FUNCTION_FAILED;
430 		} else {
431 			/* Save nodename */
432 			memcpy(list[i].node_name,
433 			    ct_rsp->rsp.gnn_id.node_name, WWN_SIZE);
434 
435 			ql_dbg(ql_dbg_disc, vha, 0x2058,
436 			    "GID_PT entry - nn %02x%02x%02x%02x%02x%02x%02X%02x "
437 			    "pn %02x%02x%02x%02x%02x%02x%02X%02x "
438 			    "portid=%02x%02x%02x.\n",
439 			    list[i].node_name[0], list[i].node_name[1],
440 			    list[i].node_name[2], list[i].node_name[3],
441 			    list[i].node_name[4], list[i].node_name[5],
442 			    list[i].node_name[6], list[i].node_name[7],
443 			    list[i].port_name[0], list[i].port_name[1],
444 			    list[i].port_name[2], list[i].port_name[3],
445 			    list[i].port_name[4], list[i].port_name[5],
446 			    list[i].port_name[6], list[i].port_name[7],
447 			    list[i].d_id.b.domain, list[i].d_id.b.area,
448 			    list[i].d_id.b.al_pa);
449 		}
450 
451 		/* Last device exit. */
452 		if (list[i].d_id.b.rsvd_1 != 0)
453 			break;
454 	}
455 
456 	return (rval);
457 }
458 
459 /**
460  * qla2x00_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
461  * @ha: HA context
462  *
463  * Returns 0 on success.
464  */
465 int
466 qla2x00_rft_id(scsi_qla_host_t *vha)
467 {
468 	int		rval;
469 	struct qla_hw_data *ha = vha->hw;
470 	ms_iocb_entry_t	*ms_pkt;
471 	struct ct_sns_req	*ct_req;
472 	struct ct_sns_rsp	*ct_rsp;
473 
474 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
475 		return qla2x00_sns_rft_id(vha);
476 
477 	/* Issue RFT_ID */
478 	/* Prepare common MS IOCB */
479 	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, RFT_ID_REQ_SIZE,
480 	    RFT_ID_RSP_SIZE);
481 
482 	/* Prepare CT request */
483 	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFT_ID_CMD,
484 	    RFT_ID_RSP_SIZE);
485 	ct_rsp = &ha->ct_sns->p.rsp;
486 
487 	/* Prepare CT arguments -- port_id, FC-4 types */
488 	ct_req->req.rft_id.port_id[0] = vha->d_id.b.domain;
489 	ct_req->req.rft_id.port_id[1] = vha->d_id.b.area;
490 	ct_req->req.rft_id.port_id[2] = vha->d_id.b.al_pa;
491 
492 	ct_req->req.rft_id.fc4_types[2] = 0x01;		/* FCP-3 */
493 
494 	/* Execute MS IOCB */
495 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
496 	    sizeof(ms_iocb_entry_t));
497 	if (rval != QLA_SUCCESS) {
498 		/*EMPTY*/
499 		ql_dbg(ql_dbg_disc, vha, 0x2043,
500 		    "RFT_ID issue IOCB failed (%d).\n", rval);
501 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RFT_ID") !=
502 	    QLA_SUCCESS) {
503 		rval = QLA_FUNCTION_FAILED;
504 	} else {
505 		ql_dbg(ql_dbg_disc, vha, 0x2044,
506 		    "RFT_ID exiting normally.\n");
507 	}
508 
509 	return (rval);
510 }
511 
512 /**
513  * qla2x00_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the HBA.
514  * @ha: HA context
515  *
516  * Returns 0 on success.
517  */
518 int
519 qla2x00_rff_id(scsi_qla_host_t *vha)
520 {
521 	int		rval;
522 	struct qla_hw_data *ha = vha->hw;
523 	ms_iocb_entry_t	*ms_pkt;
524 	struct ct_sns_req	*ct_req;
525 	struct ct_sns_rsp	*ct_rsp;
526 
527 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
528 		ql_dbg(ql_dbg_disc, vha, 0x2046,
529 		    "RFF_ID call not supported on ISP2100/ISP2200.\n");
530 		return (QLA_SUCCESS);
531 	}
532 
533 	/* Issue RFF_ID */
534 	/* Prepare common MS IOCB */
535 	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, RFF_ID_REQ_SIZE,
536 	    RFF_ID_RSP_SIZE);
537 
538 	/* Prepare CT request */
539 	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFF_ID_CMD,
540 	    RFF_ID_RSP_SIZE);
541 	ct_rsp = &ha->ct_sns->p.rsp;
542 
543 	/* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */
544 	ct_req->req.rff_id.port_id[0] = vha->d_id.b.domain;
545 	ct_req->req.rff_id.port_id[1] = vha->d_id.b.area;
546 	ct_req->req.rff_id.port_id[2] = vha->d_id.b.al_pa;
547 
548 	ct_req->req.rff_id.fc4_feature = BIT_1;
549 	ct_req->req.rff_id.fc4_type = 0x08;		/* SCSI - FCP */
550 
551 	/* Execute MS IOCB */
552 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
553 	    sizeof(ms_iocb_entry_t));
554 	if (rval != QLA_SUCCESS) {
555 		/*EMPTY*/
556 		ql_dbg(ql_dbg_disc, vha, 0x2047,
557 		    "RFF_ID issue IOCB failed (%d).\n", rval);
558 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RFF_ID") !=
559 	    QLA_SUCCESS) {
560 		rval = QLA_FUNCTION_FAILED;
561 	} else {
562 		ql_dbg(ql_dbg_disc, vha, 0x2048,
563 		    "RFF_ID exiting normally.\n");
564 	}
565 
566 	return (rval);
567 }
568 
569 /**
570  * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
571  * @ha: HA context
572  *
573  * Returns 0 on success.
574  */
575 int
576 qla2x00_rnn_id(scsi_qla_host_t *vha)
577 {
578 	int		rval;
579 	struct qla_hw_data *ha = vha->hw;
580 	ms_iocb_entry_t	*ms_pkt;
581 	struct ct_sns_req	*ct_req;
582 	struct ct_sns_rsp	*ct_rsp;
583 
584 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
585 		return qla2x00_sns_rnn_id(vha);
586 
587 	/* Issue RNN_ID */
588 	/* Prepare common MS IOCB */
589 	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, RNN_ID_REQ_SIZE,
590 	    RNN_ID_RSP_SIZE);
591 
592 	/* Prepare CT request */
593 	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RNN_ID_CMD,
594 	    RNN_ID_RSP_SIZE);
595 	ct_rsp = &ha->ct_sns->p.rsp;
596 
597 	/* Prepare CT arguments -- port_id, node_name */
598 	ct_req->req.rnn_id.port_id[0] = vha->d_id.b.domain;
599 	ct_req->req.rnn_id.port_id[1] = vha->d_id.b.area;
600 	ct_req->req.rnn_id.port_id[2] = vha->d_id.b.al_pa;
601 
602 	memcpy(ct_req->req.rnn_id.node_name, vha->node_name, WWN_SIZE);
603 
604 	/* Execute MS IOCB */
605 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
606 	    sizeof(ms_iocb_entry_t));
607 	if (rval != QLA_SUCCESS) {
608 		/*EMPTY*/
609 		ql_dbg(ql_dbg_disc, vha, 0x204d,
610 		    "RNN_ID issue IOCB failed (%d).\n", rval);
611 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RNN_ID") !=
612 	    QLA_SUCCESS) {
613 		rval = QLA_FUNCTION_FAILED;
614 	} else {
615 		ql_dbg(ql_dbg_disc, vha, 0x204e,
616 		    "RNN_ID exiting normally.\n");
617 	}
618 
619 	return (rval);
620 }
621 
622 void
623 qla2x00_get_sym_node_name(scsi_qla_host_t *vha, uint8_t *snn)
624 {
625 	struct qla_hw_data *ha = vha->hw;
626 	sprintf(snn, "%s FW:v%d.%02d.%02d DVR:v%s",ha->model_number,
627 	    ha->fw_major_version, ha->fw_minor_version,
628 	    ha->fw_subminor_version, qla2x00_version_str);
629 }
630 
631 /**
632  * qla2x00_rsnn_nn() - SNS Register Symbolic Node Name (RSNN_NN) of the HBA.
633  * @ha: HA context
634  *
635  * Returns 0 on success.
636  */
637 int
638 qla2x00_rsnn_nn(scsi_qla_host_t *vha)
639 {
640 	int		rval;
641 	struct qla_hw_data *ha = vha->hw;
642 	ms_iocb_entry_t	*ms_pkt;
643 	struct ct_sns_req	*ct_req;
644 	struct ct_sns_rsp	*ct_rsp;
645 
646 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
647 		ql_dbg(ql_dbg_disc, vha, 0x2050,
648 		    "RSNN_ID call unsupported on ISP2100/ISP2200.\n");
649 		return (QLA_SUCCESS);
650 	}
651 
652 	/* Issue RSNN_NN */
653 	/* Prepare common MS IOCB */
654 	/*   Request size adjusted after CT preparation */
655 	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, 0, RSNN_NN_RSP_SIZE);
656 
657 	/* Prepare CT request */
658 	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RSNN_NN_CMD,
659 	    RSNN_NN_RSP_SIZE);
660 	ct_rsp = &ha->ct_sns->p.rsp;
661 
662 	/* Prepare CT arguments -- node_name, symbolic node_name, size */
663 	memcpy(ct_req->req.rsnn_nn.node_name, vha->node_name, WWN_SIZE);
664 
665 	/* Prepare the Symbolic Node Name */
666 	qla2x00_get_sym_node_name(vha, ct_req->req.rsnn_nn.sym_node_name);
667 
668 	/* Calculate SNN length */
669 	ct_req->req.rsnn_nn.name_len =
670 	    (uint8_t)strlen(ct_req->req.rsnn_nn.sym_node_name);
671 
672 	/* Update MS IOCB request */
673 	ms_pkt->req_bytecount =
674 	    cpu_to_le32(24 + 1 + ct_req->req.rsnn_nn.name_len);
675 	ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
676 
677 	/* Execute MS IOCB */
678 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
679 	    sizeof(ms_iocb_entry_t));
680 	if (rval != QLA_SUCCESS) {
681 		/*EMPTY*/
682 		ql_dbg(ql_dbg_disc, vha, 0x2051,
683 		    "RSNN_NN issue IOCB failed (%d).\n", rval);
684 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RSNN_NN") !=
685 	    QLA_SUCCESS) {
686 		rval = QLA_FUNCTION_FAILED;
687 	} else {
688 		ql_dbg(ql_dbg_disc, vha, 0x2052,
689 		    "RSNN_NN exiting normally.\n");
690 	}
691 
692 	return (rval);
693 }
694 
695 /**
696  * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
697  * @ha: HA context
698  * @cmd: GS command
699  * @scmd_len: Subcommand length
700  * @data_size: response size in bytes
701  *
702  * Returns a pointer to the @ha's sns_cmd.
703  */
704 static inline struct sns_cmd_pkt *
705 qla2x00_prep_sns_cmd(scsi_qla_host_t *vha, uint16_t cmd, uint16_t scmd_len,
706     uint16_t data_size)
707 {
708 	uint16_t		wc;
709 	struct sns_cmd_pkt	*sns_cmd;
710 	struct qla_hw_data *ha = vha->hw;
711 
712 	sns_cmd = ha->sns_cmd;
713 	memset(sns_cmd, 0, sizeof(struct sns_cmd_pkt));
714 	wc = data_size / 2;			/* Size in 16bit words. */
715 	sns_cmd->p.cmd.buffer_length = cpu_to_le16(wc);
716 	sns_cmd->p.cmd.buffer_address[0] = cpu_to_le32(LSD(ha->sns_cmd_dma));
717 	sns_cmd->p.cmd.buffer_address[1] = cpu_to_le32(MSD(ha->sns_cmd_dma));
718 	sns_cmd->p.cmd.subcommand_length = cpu_to_le16(scmd_len);
719 	sns_cmd->p.cmd.subcommand = cpu_to_le16(cmd);
720 	wc = (data_size - 16) / 4;		/* Size in 32bit words. */
721 	sns_cmd->p.cmd.size = cpu_to_le16(wc);
722 
723 	return (sns_cmd);
724 }
725 
726 /**
727  * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
728  * @ha: HA context
729  * @fcport: fcport entry to updated
730  *
731  * This command uses the old Exectute SNS Command mailbox routine.
732  *
733  * Returns 0 on success.
734  */
735 static int
736 qla2x00_sns_ga_nxt(scsi_qla_host_t *vha, fc_port_t *fcport)
737 {
738 	int		rval;
739 	struct qla_hw_data *ha = vha->hw;
740 	struct sns_cmd_pkt	*sns_cmd;
741 
742 	/* Issue GA_NXT. */
743 	/* Prepare SNS command request. */
744 	sns_cmd = qla2x00_prep_sns_cmd(vha, GA_NXT_CMD, GA_NXT_SNS_SCMD_LEN,
745 	    GA_NXT_SNS_DATA_SIZE);
746 
747 	/* Prepare SNS command arguments -- port_id. */
748 	sns_cmd->p.cmd.param[0] = fcport->d_id.b.al_pa;
749 	sns_cmd->p.cmd.param[1] = fcport->d_id.b.area;
750 	sns_cmd->p.cmd.param[2] = fcport->d_id.b.domain;
751 
752 	/* Execute SNS command. */
753 	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, GA_NXT_SNS_CMD_SIZE / 2,
754 	    sizeof(struct sns_cmd_pkt));
755 	if (rval != QLA_SUCCESS) {
756 		/*EMPTY*/
757 		ql_dbg(ql_dbg_disc, vha, 0x205f,
758 		    "GA_NXT Send SNS failed (%d).\n", rval);
759 	} else if (sns_cmd->p.gan_data[8] != 0x80 ||
760 	    sns_cmd->p.gan_data[9] != 0x02) {
761 		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2084,
762 		    "GA_NXT failed, rejected request ga_nxt_rsp:\n");
763 		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2074,
764 		    sns_cmd->p.gan_data, 16);
765 		rval = QLA_FUNCTION_FAILED;
766 	} else {
767 		/* Populate fc_port_t entry. */
768 		fcport->d_id.b.domain = sns_cmd->p.gan_data[17];
769 		fcport->d_id.b.area = sns_cmd->p.gan_data[18];
770 		fcport->d_id.b.al_pa = sns_cmd->p.gan_data[19];
771 
772 		memcpy(fcport->node_name, &sns_cmd->p.gan_data[284], WWN_SIZE);
773 		memcpy(fcport->port_name, &sns_cmd->p.gan_data[20], WWN_SIZE);
774 
775 		if (sns_cmd->p.gan_data[16] != NS_N_PORT_TYPE &&
776 		    sns_cmd->p.gan_data[16] != NS_NL_PORT_TYPE)
777 			fcport->d_id.b.domain = 0xf0;
778 
779 		ql_dbg(ql_dbg_disc, vha, 0x2061,
780 		    "GA_NXT entry - nn %02x%02x%02x%02x%02x%02x%02x%02x "
781 		    "pn %02x%02x%02x%02x%02x%02x%02x%02x "
782 		    "port_id=%02x%02x%02x.\n",
783 		    fcport->node_name[0], fcport->node_name[1],
784 		    fcport->node_name[2], fcport->node_name[3],
785 		    fcport->node_name[4], fcport->node_name[5],
786 		    fcport->node_name[6], fcport->node_name[7],
787 		    fcport->port_name[0], fcport->port_name[1],
788 		    fcport->port_name[2], fcport->port_name[3],
789 		    fcport->port_name[4], fcport->port_name[5],
790 		    fcport->port_name[6], fcport->port_name[7],
791 		    fcport->d_id.b.domain, fcport->d_id.b.area,
792 		    fcport->d_id.b.al_pa);
793 	}
794 
795 	return (rval);
796 }
797 
798 /**
799  * qla2x00_sns_gid_pt() - SNS scan for fabric devices via GID_PT command.
800  * @ha: HA context
801  * @list: switch info entries to populate
802  *
803  * This command uses the old Exectute SNS Command mailbox routine.
804  *
805  * NOTE: Non-Nx_Ports are not requested.
806  *
807  * Returns 0 on success.
808  */
809 static int
810 qla2x00_sns_gid_pt(scsi_qla_host_t *vha, sw_info_t *list)
811 {
812 	int		rval;
813 	struct qla_hw_data *ha = vha->hw;
814 	uint16_t	i;
815 	uint8_t		*entry;
816 	struct sns_cmd_pkt	*sns_cmd;
817 
818 	/* Issue GID_PT. */
819 	/* Prepare SNS command request. */
820 	sns_cmd = qla2x00_prep_sns_cmd(vha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN,
821 	    GID_PT_SNS_DATA_SIZE);
822 
823 	/* Prepare SNS command arguments -- port_type. */
824 	sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE;
825 
826 	/* Execute SNS command. */
827 	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, GID_PT_SNS_CMD_SIZE / 2,
828 	    sizeof(struct sns_cmd_pkt));
829 	if (rval != QLA_SUCCESS) {
830 		/*EMPTY*/
831 		ql_dbg(ql_dbg_disc, vha, 0x206d,
832 		    "GID_PT Send SNS failed (%d).\n", rval);
833 	} else if (sns_cmd->p.gid_data[8] != 0x80 ||
834 	    sns_cmd->p.gid_data[9] != 0x02) {
835 		ql_dbg(ql_dbg_disc, vha, 0x202f,
836 		    "GID_PT failed, rejected request, gid_rsp:\n");
837 		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2081,
838 		    sns_cmd->p.gid_data, 16);
839 		rval = QLA_FUNCTION_FAILED;
840 	} else {
841 		/* Set port IDs in switch info list. */
842 		for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
843 			entry = &sns_cmd->p.gid_data[(i * 4) + 16];
844 			list[i].d_id.b.domain = entry[1];
845 			list[i].d_id.b.area = entry[2];
846 			list[i].d_id.b.al_pa = entry[3];
847 
848 			/* Last one exit. */
849 			if (entry[0] & BIT_7) {
850 				list[i].d_id.b.rsvd_1 = entry[0];
851 				break;
852 			}
853 		}
854 
855 		/*
856 		 * If we've used all available slots, then the switch is
857 		 * reporting back more devices that we can handle with this
858 		 * single call.  Return a failed status, and let GA_NXT handle
859 		 * the overload.
860 		 */
861 		if (i == MAX_FIBRE_DEVICES)
862 			rval = QLA_FUNCTION_FAILED;
863 	}
864 
865 	return (rval);
866 }
867 
868 /**
869  * qla2x00_sns_gpn_id() - SNS Get Port Name (GPN_ID) query.
870  * @ha: HA context
871  * @list: switch info entries to populate
872  *
873  * This command uses the old Exectute SNS Command mailbox routine.
874  *
875  * Returns 0 on success.
876  */
877 static int
878 qla2x00_sns_gpn_id(scsi_qla_host_t *vha, sw_info_t *list)
879 {
880 	int		rval;
881 	struct qla_hw_data *ha = vha->hw;
882 	uint16_t	i;
883 	struct sns_cmd_pkt	*sns_cmd;
884 
885 	for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
886 		/* Issue GPN_ID */
887 		/* Prepare SNS command request. */
888 		sns_cmd = qla2x00_prep_sns_cmd(vha, GPN_ID_CMD,
889 		    GPN_ID_SNS_SCMD_LEN, GPN_ID_SNS_DATA_SIZE);
890 
891 		/* Prepare SNS command arguments -- port_id. */
892 		sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
893 		sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
894 		sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
895 
896 		/* Execute SNS command. */
897 		rval = qla2x00_send_sns(vha, ha->sns_cmd_dma,
898 		    GPN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
899 		if (rval != QLA_SUCCESS) {
900 			/*EMPTY*/
901 			ql_dbg(ql_dbg_disc, vha, 0x2032,
902 			    "GPN_ID Send SNS failed (%d).\n", rval);
903 		} else if (sns_cmd->p.gpn_data[8] != 0x80 ||
904 		    sns_cmd->p.gpn_data[9] != 0x02) {
905 			ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x207e,
906 			    "GPN_ID failed, rejected request, gpn_rsp:\n");
907 			ql_dump_buffer(ql_dbg_disc, vha, 0x207f,
908 			    sns_cmd->p.gpn_data, 16);
909 			rval = QLA_FUNCTION_FAILED;
910 		} else {
911 			/* Save portname */
912 			memcpy(list[i].port_name, &sns_cmd->p.gpn_data[16],
913 			    WWN_SIZE);
914 		}
915 
916 		/* Last device exit. */
917 		if (list[i].d_id.b.rsvd_1 != 0)
918 			break;
919 	}
920 
921 	return (rval);
922 }
923 
924 /**
925  * qla2x00_sns_gnn_id() - SNS Get Node Name (GNN_ID) query.
926  * @ha: HA context
927  * @list: switch info entries to populate
928  *
929  * This command uses the old Exectute SNS Command mailbox routine.
930  *
931  * Returns 0 on success.
932  */
933 static int
934 qla2x00_sns_gnn_id(scsi_qla_host_t *vha, sw_info_t *list)
935 {
936 	int		rval;
937 	struct qla_hw_data *ha = vha->hw;
938 	uint16_t	i;
939 	struct sns_cmd_pkt	*sns_cmd;
940 
941 	for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
942 		/* Issue GNN_ID */
943 		/* Prepare SNS command request. */
944 		sns_cmd = qla2x00_prep_sns_cmd(vha, GNN_ID_CMD,
945 		    GNN_ID_SNS_SCMD_LEN, GNN_ID_SNS_DATA_SIZE);
946 
947 		/* Prepare SNS command arguments -- port_id. */
948 		sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
949 		sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
950 		sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
951 
952 		/* Execute SNS command. */
953 		rval = qla2x00_send_sns(vha, ha->sns_cmd_dma,
954 		    GNN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
955 		if (rval != QLA_SUCCESS) {
956 			/*EMPTY*/
957 			ql_dbg(ql_dbg_disc, vha, 0x203f,
958 			    "GNN_ID Send SNS failed (%d).\n", rval);
959 		} else if (sns_cmd->p.gnn_data[8] != 0x80 ||
960 		    sns_cmd->p.gnn_data[9] != 0x02) {
961 			ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2082,
962 			    "GNN_ID failed, rejected request, gnn_rsp:\n");
963 			ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x207a,
964 			    sns_cmd->p.gnn_data, 16);
965 			rval = QLA_FUNCTION_FAILED;
966 		} else {
967 			/* Save nodename */
968 			memcpy(list[i].node_name, &sns_cmd->p.gnn_data[16],
969 			    WWN_SIZE);
970 
971 			ql_dbg(ql_dbg_disc, vha, 0x206e,
972 			    "GID_PT entry - nn %02x%02x%02x%02x%02x%02x%02x%02x "
973 			    "pn %02x%02x%02x%02x%02x%02x%02x%02x "
974 			    "port_id=%02x%02x%02x.\n",
975 			    list[i].node_name[0], list[i].node_name[1],
976 			    list[i].node_name[2], list[i].node_name[3],
977 			    list[i].node_name[4], list[i].node_name[5],
978 			    list[i].node_name[6], list[i].node_name[7],
979 			    list[i].port_name[0], list[i].port_name[1],
980 			    list[i].port_name[2], list[i].port_name[3],
981 			    list[i].port_name[4], list[i].port_name[5],
982 			    list[i].port_name[6], list[i].port_name[7],
983 			    list[i].d_id.b.domain, list[i].d_id.b.area,
984 			    list[i].d_id.b.al_pa);
985 		}
986 
987 		/* Last device exit. */
988 		if (list[i].d_id.b.rsvd_1 != 0)
989 			break;
990 	}
991 
992 	return (rval);
993 }
994 
995 /**
996  * qla2x00_snd_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
997  * @ha: HA context
998  *
999  * This command uses the old Exectute SNS Command mailbox routine.
1000  *
1001  * Returns 0 on success.
1002  */
1003 static int
1004 qla2x00_sns_rft_id(scsi_qla_host_t *vha)
1005 {
1006 	int		rval;
1007 	struct qla_hw_data *ha = vha->hw;
1008 	struct sns_cmd_pkt	*sns_cmd;
1009 
1010 	/* Issue RFT_ID. */
1011 	/* Prepare SNS command request. */
1012 	sns_cmd = qla2x00_prep_sns_cmd(vha, RFT_ID_CMD, RFT_ID_SNS_SCMD_LEN,
1013 	    RFT_ID_SNS_DATA_SIZE);
1014 
1015 	/* Prepare SNS command arguments -- port_id, FC-4 types */
1016 	sns_cmd->p.cmd.param[0] = vha->d_id.b.al_pa;
1017 	sns_cmd->p.cmd.param[1] = vha->d_id.b.area;
1018 	sns_cmd->p.cmd.param[2] = vha->d_id.b.domain;
1019 
1020 	sns_cmd->p.cmd.param[5] = 0x01;			/* FCP-3 */
1021 
1022 	/* Execute SNS command. */
1023 	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, RFT_ID_SNS_CMD_SIZE / 2,
1024 	    sizeof(struct sns_cmd_pkt));
1025 	if (rval != QLA_SUCCESS) {
1026 		/*EMPTY*/
1027 		ql_dbg(ql_dbg_disc, vha, 0x2060,
1028 		    "RFT_ID Send SNS failed (%d).\n", rval);
1029 	} else if (sns_cmd->p.rft_data[8] != 0x80 ||
1030 	    sns_cmd->p.rft_data[9] != 0x02) {
1031 		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2083,
1032 		    "RFT_ID failed, rejected request rft_rsp:\n");
1033 		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2080,
1034 		    sns_cmd->p.rft_data, 16);
1035 		rval = QLA_FUNCTION_FAILED;
1036 	} else {
1037 		ql_dbg(ql_dbg_disc, vha, 0x2073,
1038 		    "RFT_ID exiting normally.\n");
1039 	}
1040 
1041 	return (rval);
1042 }
1043 
1044 /**
1045  * qla2x00_sns_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
1046  * HBA.
1047  * @ha: HA context
1048  *
1049  * This command uses the old Exectute SNS Command mailbox routine.
1050  *
1051  * Returns 0 on success.
1052  */
1053 static int
1054 qla2x00_sns_rnn_id(scsi_qla_host_t *vha)
1055 {
1056 	int		rval;
1057 	struct qla_hw_data *ha = vha->hw;
1058 	struct sns_cmd_pkt	*sns_cmd;
1059 
1060 	/* Issue RNN_ID. */
1061 	/* Prepare SNS command request. */
1062 	sns_cmd = qla2x00_prep_sns_cmd(vha, RNN_ID_CMD, RNN_ID_SNS_SCMD_LEN,
1063 	    RNN_ID_SNS_DATA_SIZE);
1064 
1065 	/* Prepare SNS command arguments -- port_id, nodename. */
1066 	sns_cmd->p.cmd.param[0] = vha->d_id.b.al_pa;
1067 	sns_cmd->p.cmd.param[1] = vha->d_id.b.area;
1068 	sns_cmd->p.cmd.param[2] = vha->d_id.b.domain;
1069 
1070 	sns_cmd->p.cmd.param[4] = vha->node_name[7];
1071 	sns_cmd->p.cmd.param[5] = vha->node_name[6];
1072 	sns_cmd->p.cmd.param[6] = vha->node_name[5];
1073 	sns_cmd->p.cmd.param[7] = vha->node_name[4];
1074 	sns_cmd->p.cmd.param[8] = vha->node_name[3];
1075 	sns_cmd->p.cmd.param[9] = vha->node_name[2];
1076 	sns_cmd->p.cmd.param[10] = vha->node_name[1];
1077 	sns_cmd->p.cmd.param[11] = vha->node_name[0];
1078 
1079 	/* Execute SNS command. */
1080 	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, RNN_ID_SNS_CMD_SIZE / 2,
1081 	    sizeof(struct sns_cmd_pkt));
1082 	if (rval != QLA_SUCCESS) {
1083 		/*EMPTY*/
1084 		ql_dbg(ql_dbg_disc, vha, 0x204a,
1085 		    "RNN_ID Send SNS failed (%d).\n", rval);
1086 	} else if (sns_cmd->p.rnn_data[8] != 0x80 ||
1087 	    sns_cmd->p.rnn_data[9] != 0x02) {
1088 		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x207b,
1089 		    "RNN_ID failed, rejected request, rnn_rsp:\n");
1090 		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x207c,
1091 		    sns_cmd->p.rnn_data, 16);
1092 		rval = QLA_FUNCTION_FAILED;
1093 	} else {
1094 		ql_dbg(ql_dbg_disc, vha, 0x204c,
1095 		    "RNN_ID exiting normally.\n");
1096 	}
1097 
1098 	return (rval);
1099 }
1100 
1101 /**
1102  * qla2x00_mgmt_svr_login() - Login to fabric Management Service.
1103  * @ha: HA context
1104  *
1105  * Returns 0 on success.
1106  */
1107 static int
1108 qla2x00_mgmt_svr_login(scsi_qla_host_t *vha)
1109 {
1110 	int ret;
1111 	uint16_t mb[MAILBOX_REGISTER_COUNT];
1112 	struct qla_hw_data *ha = vha->hw;
1113 	ret = QLA_SUCCESS;
1114 	if (vha->flags.management_server_logged_in)
1115 		return ret;
1116 
1117 	ha->isp_ops->fabric_login(vha, vha->mgmt_svr_loop_id, 0xff, 0xff, 0xfa,
1118 	    mb, BIT_1|BIT_0);
1119 	if (mb[0] != MBS_COMMAND_COMPLETE) {
1120 		ql_dbg(ql_dbg_disc, vha, 0x2024,
1121 		    "Failed management_server login: loopid=%x mb[0]=%x "
1122 		    "mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x.\n",
1123 		    vha->mgmt_svr_loop_id, mb[0], mb[1], mb[2], mb[6], mb[7]);
1124 		ret = QLA_FUNCTION_FAILED;
1125 	} else
1126 		vha->flags.management_server_logged_in = 1;
1127 
1128 	return ret;
1129 }
1130 
1131 /**
1132  * qla2x00_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1133  * @ha: HA context
1134  * @req_size: request size in bytes
1135  * @rsp_size: response size in bytes
1136  *
1137  * Returns a pointer to the @ha's ms_iocb.
1138  */
1139 void *
1140 qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size,
1141     uint32_t rsp_size)
1142 {
1143 	ms_iocb_entry_t *ms_pkt;
1144 	struct qla_hw_data *ha = vha->hw;
1145 	ms_pkt = ha->ms_iocb;
1146 	memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
1147 
1148 	ms_pkt->entry_type = MS_IOCB_TYPE;
1149 	ms_pkt->entry_count = 1;
1150 	SET_TARGET_ID(ha, ms_pkt->loop_id, vha->mgmt_svr_loop_id);
1151 	ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
1152 	ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1153 	ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1154 	ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
1155 	ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
1156 	ms_pkt->req_bytecount = cpu_to_le32(req_size);
1157 
1158 	ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1159 	ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1160 	ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
1161 
1162 	ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1163 	ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1164 	ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
1165 
1166 	return ms_pkt;
1167 }
1168 
1169 /**
1170  * qla24xx_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1171  * @ha: HA context
1172  * @req_size: request size in bytes
1173  * @rsp_size: response size in bytes
1174  *
1175  * Returns a pointer to the @ha's ms_iocb.
1176  */
1177 void *
1178 qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size,
1179     uint32_t rsp_size)
1180 {
1181 	struct ct_entry_24xx *ct_pkt;
1182 	struct qla_hw_data *ha = vha->hw;
1183 
1184 	ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1185 	memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1186 
1187 	ct_pkt->entry_type = CT_IOCB_TYPE;
1188 	ct_pkt->entry_count = 1;
1189 	ct_pkt->nport_handle = cpu_to_le16(vha->mgmt_svr_loop_id);
1190 	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1191 	ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1192 	ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
1193 	ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1194 	ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1195 
1196 	ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1197 	ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1198 	ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1199 
1200 	ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1201 	ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1202 	ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
1203 	ct_pkt->vp_index = vha->vp_idx;
1204 
1205 	return ct_pkt;
1206 }
1207 
1208 static inline ms_iocb_entry_t *
1209 qla2x00_update_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size)
1210 {
1211 	struct qla_hw_data *ha = vha->hw;
1212 	ms_iocb_entry_t *ms_pkt = ha->ms_iocb;
1213 	struct ct_entry_24xx *ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1214 
1215 	if (IS_FWI2_CAPABLE(ha)) {
1216 		ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1217 		ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1218 	} else {
1219 		ms_pkt->req_bytecount = cpu_to_le32(req_size);
1220 		ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
1221 	}
1222 
1223 	return ms_pkt;
1224 }
1225 
1226 /**
1227  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
1228  * @ct_req: CT request buffer
1229  * @cmd: GS command
1230  * @rsp_size: response size in bytes
1231  *
1232  * Returns a pointer to the intitialized @ct_req.
1233  */
1234 static inline struct ct_sns_req *
1235 qla2x00_prep_ct_fdmi_req(struct ct_sns_req *ct_req, uint16_t cmd,
1236     uint16_t rsp_size)
1237 {
1238 	memset(ct_req, 0, sizeof(struct ct_sns_pkt));
1239 
1240 	ct_req->header.revision = 0x01;
1241 	ct_req->header.gs_type = 0xFA;
1242 	ct_req->header.gs_subtype = 0x10;
1243 	ct_req->command = cpu_to_be16(cmd);
1244 	ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1245 
1246 	return ct_req;
1247 }
1248 
1249 /**
1250  * qla2x00_fdmi_rhba() -
1251  * @ha: HA context
1252  *
1253  * Returns 0 on success.
1254  */
1255 static int
1256 qla2x00_fdmi_rhba(scsi_qla_host_t *vha)
1257 {
1258 	int rval, alen;
1259 	uint32_t size, sn;
1260 
1261 	ms_iocb_entry_t *ms_pkt;
1262 	struct ct_sns_req *ct_req;
1263 	struct ct_sns_rsp *ct_rsp;
1264 	uint8_t *entries;
1265 	struct ct_fdmi_hba_attr *eiter;
1266 	struct qla_hw_data *ha = vha->hw;
1267 
1268 	/* Issue RHBA */
1269 	/* Prepare common MS IOCB */
1270 	/*   Request size adjusted after CT preparation */
1271 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, RHBA_RSP_SIZE);
1272 
1273 	/* Prepare CT request */
1274 	ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, RHBA_CMD,
1275 	    RHBA_RSP_SIZE);
1276 	ct_rsp = &ha->ct_sns->p.rsp;
1277 
1278 	/* Prepare FDMI command arguments -- attribute block, attributes. */
1279 	memcpy(ct_req->req.rhba.hba_identifier, vha->port_name, WWN_SIZE);
1280 	ct_req->req.rhba.entry_count = __constant_cpu_to_be32(1);
1281 	memcpy(ct_req->req.rhba.port_name, vha->port_name, WWN_SIZE);
1282 	size = 2 * WWN_SIZE + 4 + 4;
1283 
1284 	/* Attributes */
1285 	ct_req->req.rhba.attrs.count =
1286 	    __constant_cpu_to_be32(FDMI_HBA_ATTR_COUNT);
1287 	entries = ct_req->req.rhba.hba_identifier;
1288 
1289 	/* Nodename. */
1290 	eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1291 	eiter->type = __constant_cpu_to_be16(FDMI_HBA_NODE_NAME);
1292 	eiter->len = __constant_cpu_to_be16(4 + WWN_SIZE);
1293 	memcpy(eiter->a.node_name, vha->node_name, WWN_SIZE);
1294 	size += 4 + WWN_SIZE;
1295 
1296 	ql_dbg(ql_dbg_disc, vha, 0x2025,
1297 	    "NodeName = %02x%02x%02x%02x%02x%02x%02x%02x.\n",
1298 	    eiter->a.node_name[0], eiter->a.node_name[1],
1299 	    eiter->a.node_name[2], eiter->a.node_name[3],
1300 	    eiter->a.node_name[4], eiter->a.node_name[5],
1301 	    eiter->a.node_name[6], eiter->a.node_name[7]);
1302 
1303 	/* Manufacturer. */
1304 	eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1305 	eiter->type = __constant_cpu_to_be16(FDMI_HBA_MANUFACTURER);
1306 	strcpy(eiter->a.manufacturer, "QLogic Corporation");
1307 	alen = strlen(eiter->a.manufacturer);
1308 	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1309 	eiter->len = cpu_to_be16(4 + alen);
1310 	size += 4 + alen;
1311 
1312 	ql_dbg(ql_dbg_disc, vha, 0x2026,
1313 	    "Manufacturer = %s.\n", eiter->a.manufacturer);
1314 
1315 	/* Serial number. */
1316 	eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1317 	eiter->type = __constant_cpu_to_be16(FDMI_HBA_SERIAL_NUMBER);
1318 	sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1319 	sprintf(eiter->a.serial_num, "%c%05d", 'A' + sn / 100000, sn % 100000);
1320 	alen = strlen(eiter->a.serial_num);
1321 	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1322 	eiter->len = cpu_to_be16(4 + alen);
1323 	size += 4 + alen;
1324 
1325 	ql_dbg(ql_dbg_disc, vha, 0x2027,
1326 	    "Serial no. = %s.\n", eiter->a.serial_num);
1327 
1328 	/* Model name. */
1329 	eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1330 	eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL);
1331 	strcpy(eiter->a.model, ha->model_number);
1332 	alen = strlen(eiter->a.model);
1333 	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1334 	eiter->len = cpu_to_be16(4 + alen);
1335 	size += 4 + alen;
1336 
1337 	ql_dbg(ql_dbg_disc, vha, 0x2028,
1338 	    "Model Name = %s.\n", eiter->a.model);
1339 
1340 	/* Model description. */
1341 	eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1342 	eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL_DESCRIPTION);
1343 	if (ha->model_desc)
1344 		strncpy(eiter->a.model_desc, ha->model_desc, 80);
1345 	alen = strlen(eiter->a.model_desc);
1346 	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1347 	eiter->len = cpu_to_be16(4 + alen);
1348 	size += 4 + alen;
1349 
1350 	ql_dbg(ql_dbg_disc, vha, 0x2029,
1351 	    "Model Desc = %s.\n", eiter->a.model_desc);
1352 
1353 	/* Hardware version. */
1354 	eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1355 	eiter->type = __constant_cpu_to_be16(FDMI_HBA_HARDWARE_VERSION);
1356 	strcpy(eiter->a.hw_version, ha->adapter_id);
1357 	alen = strlen(eiter->a.hw_version);
1358 	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1359 	eiter->len = cpu_to_be16(4 + alen);
1360 	size += 4 + alen;
1361 
1362 	ql_dbg(ql_dbg_disc, vha, 0x202a,
1363 	    "Hardware ver = %s.\n", eiter->a.hw_version);
1364 
1365 	/* Driver version. */
1366 	eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1367 	eiter->type = __constant_cpu_to_be16(FDMI_HBA_DRIVER_VERSION);
1368 	strcpy(eiter->a.driver_version, qla2x00_version_str);
1369 	alen = strlen(eiter->a.driver_version);
1370 	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1371 	eiter->len = cpu_to_be16(4 + alen);
1372 	size += 4 + alen;
1373 
1374 	ql_dbg(ql_dbg_disc, vha, 0x202b,
1375 	    "Driver ver = %s.\n", eiter->a.driver_version);
1376 
1377 	/* Option ROM version. */
1378 	eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1379 	eiter->type = __constant_cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
1380 	strcpy(eiter->a.orom_version, "0.00");
1381 	alen = strlen(eiter->a.orom_version);
1382 	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1383 	eiter->len = cpu_to_be16(4 + alen);
1384 	size += 4 + alen;
1385 
1386 	ql_dbg(ql_dbg_disc, vha , 0x202c,
1387 	    "Optrom vers = %s.\n", eiter->a.orom_version);
1388 
1389 	/* Firmware version */
1390 	eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1391 	eiter->type = __constant_cpu_to_be16(FDMI_HBA_FIRMWARE_VERSION);
1392 	ha->isp_ops->fw_version_str(vha, eiter->a.fw_version);
1393 	alen = strlen(eiter->a.fw_version);
1394 	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1395 	eiter->len = cpu_to_be16(4 + alen);
1396 	size += 4 + alen;
1397 
1398 	ql_dbg(ql_dbg_disc, vha, 0x202d,
1399 	    "Firmware vers = %s.\n", eiter->a.fw_version);
1400 
1401 	/* Update MS request size. */
1402 	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
1403 
1404 	ql_dbg(ql_dbg_disc, vha, 0x202e,
1405 	    "RHBA identifier = "
1406 	    "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n",
1407 	    ct_req->req.rhba.hba_identifier[0],
1408 	    ct_req->req.rhba.hba_identifier[1],
1409 	    ct_req->req.rhba.hba_identifier[2],
1410 	    ct_req->req.rhba.hba_identifier[3],
1411 	    ct_req->req.rhba.hba_identifier[4],
1412 	    ct_req->req.rhba.hba_identifier[5],
1413 	    ct_req->req.rhba.hba_identifier[6],
1414 	    ct_req->req.rhba.hba_identifier[7], size);
1415 	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2076,
1416 	    entries, size);
1417 
1418 	/* Execute MS IOCB */
1419 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
1420 	    sizeof(ms_iocb_entry_t));
1421 	if (rval != QLA_SUCCESS) {
1422 		/*EMPTY*/
1423 		ql_dbg(ql_dbg_disc, vha, 0x2030,
1424 		    "RHBA issue IOCB failed (%d).\n", rval);
1425 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RHBA") !=
1426 	    QLA_SUCCESS) {
1427 		rval = QLA_FUNCTION_FAILED;
1428 		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
1429 		    ct_rsp->header.explanation_code ==
1430 		    CT_EXPL_ALREADY_REGISTERED) {
1431 			ql_dbg(ql_dbg_disc, vha, 0x2034,
1432 			    "HBA already registered.\n");
1433 			rval = QLA_ALREADY_REGISTERED;
1434 		}
1435 	} else {
1436 		ql_dbg(ql_dbg_disc, vha, 0x2035,
1437 		    "RHBA exiting normally.\n");
1438 	}
1439 
1440 	return rval;
1441 }
1442 
1443 /**
1444  * qla2x00_fdmi_dhba() -
1445  * @ha: HA context
1446  *
1447  * Returns 0 on success.
1448  */
1449 static int
1450 qla2x00_fdmi_dhba(scsi_qla_host_t *vha)
1451 {
1452 	int rval;
1453 	struct qla_hw_data *ha = vha->hw;
1454 	ms_iocb_entry_t *ms_pkt;
1455 	struct ct_sns_req *ct_req;
1456 	struct ct_sns_rsp *ct_rsp;
1457 
1458 	/* Issue RPA */
1459 	/* Prepare common MS IOCB */
1460 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, DHBA_REQ_SIZE,
1461 	    DHBA_RSP_SIZE);
1462 
1463 	/* Prepare CT request */
1464 	ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, DHBA_CMD,
1465 	    DHBA_RSP_SIZE);
1466 	ct_rsp = &ha->ct_sns->p.rsp;
1467 
1468 	/* Prepare FDMI command arguments -- portname. */
1469 	memcpy(ct_req->req.dhba.port_name, vha->port_name, WWN_SIZE);
1470 
1471 	ql_dbg(ql_dbg_disc, vha, 0x2036,
1472 	    "DHBA portname = %02x%02x%02x%02x%02x%02x%02x%02x.\n",
1473 	    ct_req->req.dhba.port_name[0], ct_req->req.dhba.port_name[1],
1474 	    ct_req->req.dhba.port_name[2], ct_req->req.dhba.port_name[3],
1475 	    ct_req->req.dhba.port_name[4], ct_req->req.dhba.port_name[5],
1476 	    ct_req->req.dhba.port_name[6], ct_req->req.dhba.port_name[7]);
1477 
1478 	/* Execute MS IOCB */
1479 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
1480 	    sizeof(ms_iocb_entry_t));
1481 	if (rval != QLA_SUCCESS) {
1482 		/*EMPTY*/
1483 		ql_dbg(ql_dbg_disc, vha, 0x2037,
1484 		    "DHBA issue IOCB failed (%d).\n", rval);
1485 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "DHBA") !=
1486 	    QLA_SUCCESS) {
1487 		rval = QLA_FUNCTION_FAILED;
1488 	} else {
1489 		ql_dbg(ql_dbg_disc, vha, 0x2038,
1490 		    "DHBA exiting normally.\n");
1491 	}
1492 
1493 	return rval;
1494 }
1495 
1496 /**
1497  * qla2x00_fdmi_rpa() -
1498  * @ha: HA context
1499  *
1500  * Returns 0 on success.
1501  */
1502 static int
1503 qla2x00_fdmi_rpa(scsi_qla_host_t *vha)
1504 {
1505 	int rval, alen;
1506 	uint32_t size, max_frame_size;
1507 	struct qla_hw_data *ha = vha->hw;
1508 	ms_iocb_entry_t *ms_pkt;
1509 	struct ct_sns_req *ct_req;
1510 	struct ct_sns_rsp *ct_rsp;
1511 	uint8_t *entries;
1512 	struct ct_fdmi_port_attr *eiter;
1513 	struct init_cb_24xx *icb24 = (struct init_cb_24xx *)ha->init_cb;
1514 
1515 	/* Issue RPA */
1516 	/* Prepare common MS IOCB */
1517 	/*   Request size adjusted after CT preparation */
1518 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, RPA_RSP_SIZE);
1519 
1520 	/* Prepare CT request */
1521 	ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, RPA_CMD,
1522 	    RPA_RSP_SIZE);
1523 	ct_rsp = &ha->ct_sns->p.rsp;
1524 
1525 	/* Prepare FDMI command arguments -- attribute block, attributes. */
1526 	memcpy(ct_req->req.rpa.port_name, vha->port_name, WWN_SIZE);
1527 	size = WWN_SIZE + 4;
1528 
1529 	/* Attributes */
1530 	ct_req->req.rpa.attrs.count =
1531 	    __constant_cpu_to_be32(FDMI_PORT_ATTR_COUNT - 1);
1532 	entries = ct_req->req.rpa.port_name;
1533 
1534 	/* FC4 types. */
1535 	eiter = (struct ct_fdmi_port_attr *) (entries + size);
1536 	eiter->type = __constant_cpu_to_be16(FDMI_PORT_FC4_TYPES);
1537 	eiter->len = __constant_cpu_to_be16(4 + 32);
1538 	eiter->a.fc4_types[2] = 0x01;
1539 	size += 4 + 32;
1540 
1541 	ql_dbg(ql_dbg_disc, vha, 0x2039,
1542 	    "FC4_TYPES=%02x %02x.\n",
1543 	    eiter->a.fc4_types[2],
1544 	    eiter->a.fc4_types[1]);
1545 
1546 	/* Supported speed. */
1547 	eiter = (struct ct_fdmi_port_attr *) (entries + size);
1548 	eiter->type = __constant_cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
1549 	eiter->len = __constant_cpu_to_be16(4 + 4);
1550 	if (IS_QLA8XXX_TYPE(ha))
1551 		eiter->a.sup_speed = __constant_cpu_to_be32(
1552 		    FDMI_PORT_SPEED_10GB);
1553 	else if (IS_QLA25XX(ha))
1554 		eiter->a.sup_speed = __constant_cpu_to_be32(
1555 		    FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB|
1556 		    FDMI_PORT_SPEED_4GB|FDMI_PORT_SPEED_8GB);
1557 	else if (IS_QLA24XX_TYPE(ha))
1558 		eiter->a.sup_speed = __constant_cpu_to_be32(
1559 		    FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB|
1560 		    FDMI_PORT_SPEED_4GB);
1561 	else if (IS_QLA23XX(ha))
1562 		eiter->a.sup_speed =__constant_cpu_to_be32(
1563 		    FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB);
1564 	else
1565 		eiter->a.sup_speed = __constant_cpu_to_be32(
1566 		    FDMI_PORT_SPEED_1GB);
1567 	size += 4 + 4;
1568 
1569 	ql_dbg(ql_dbg_disc, vha, 0x203a,
1570 	    "Supported_Speed=%x.\n", eiter->a.sup_speed);
1571 
1572 	/* Current speed. */
1573 	eiter = (struct ct_fdmi_port_attr *) (entries + size);
1574 	eiter->type = __constant_cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
1575 	eiter->len = __constant_cpu_to_be16(4 + 4);
1576 	switch (ha->link_data_rate) {
1577 	case PORT_SPEED_1GB:
1578 		eiter->a.cur_speed =
1579 		    __constant_cpu_to_be32(FDMI_PORT_SPEED_1GB);
1580 		break;
1581 	case PORT_SPEED_2GB:
1582 		eiter->a.cur_speed =
1583 		    __constant_cpu_to_be32(FDMI_PORT_SPEED_2GB);
1584 		break;
1585 	case PORT_SPEED_4GB:
1586 		eiter->a.cur_speed =
1587 		    __constant_cpu_to_be32(FDMI_PORT_SPEED_4GB);
1588 		break;
1589 	case PORT_SPEED_8GB:
1590 		eiter->a.cur_speed =
1591 		    __constant_cpu_to_be32(FDMI_PORT_SPEED_8GB);
1592 		break;
1593 	case PORT_SPEED_10GB:
1594 		eiter->a.cur_speed =
1595 		    __constant_cpu_to_be32(FDMI_PORT_SPEED_10GB);
1596 		break;
1597 	default:
1598 		eiter->a.cur_speed =
1599 		    __constant_cpu_to_be32(FDMI_PORT_SPEED_UNKNOWN);
1600 		break;
1601 	}
1602 	size += 4 + 4;
1603 
1604 	ql_dbg(ql_dbg_disc, vha, 0x203b,
1605 	    "Current_Speed=%x.\n", eiter->a.cur_speed);
1606 
1607 	/* Max frame size. */
1608 	eiter = (struct ct_fdmi_port_attr *) (entries + size);
1609 	eiter->type = __constant_cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
1610 	eiter->len = __constant_cpu_to_be16(4 + 4);
1611 	max_frame_size = IS_FWI2_CAPABLE(ha) ?
1612 	    le16_to_cpu(icb24->frame_payload_size):
1613 	    le16_to_cpu(ha->init_cb->frame_payload_size);
1614 	eiter->a.max_frame_size = cpu_to_be32(max_frame_size);
1615 	size += 4 + 4;
1616 
1617 	ql_dbg(ql_dbg_disc, vha, 0x203c,
1618 	    "Max_Frame_Size=%x.\n", eiter->a.max_frame_size);
1619 
1620 	/* OS device name. */
1621 	eiter = (struct ct_fdmi_port_attr *) (entries + size);
1622 	eiter->type = __constant_cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
1623 	strcpy(eiter->a.os_dev_name, QLA2XXX_DRIVER_NAME);
1624 	alen = strlen(eiter->a.os_dev_name);
1625 	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1626 	eiter->len = cpu_to_be16(4 + alen);
1627 	size += 4 + alen;
1628 
1629 	ql_dbg(ql_dbg_disc, vha, 0x204b,
1630 	    "OS_Device_Name=%s.\n", eiter->a.os_dev_name);
1631 
1632 	/* Hostname. */
1633 	if (strlen(fc_host_system_hostname(vha->host))) {
1634 		ct_req->req.rpa.attrs.count =
1635 		    __constant_cpu_to_be32(FDMI_PORT_ATTR_COUNT);
1636 		eiter = (struct ct_fdmi_port_attr *) (entries + size);
1637 		eiter->type = __constant_cpu_to_be16(FDMI_PORT_HOST_NAME);
1638 		snprintf(eiter->a.host_name, sizeof(eiter->a.host_name),
1639 		    "%s", fc_host_system_hostname(vha->host));
1640 		alen = strlen(eiter->a.host_name);
1641 		alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1642 		eiter->len = cpu_to_be16(4 + alen);
1643 		size += 4 + alen;
1644 
1645 		ql_dbg(ql_dbg_disc, vha, 0x203d,
1646 		    "HostName=%s.\n", eiter->a.host_name);
1647 	}
1648 
1649 	/* Update MS request size. */
1650 	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
1651 
1652 	ql_dbg(ql_dbg_disc, vha, 0x203e,
1653 	    "RPA portname= %02x%02x%02x%02x%02X%02x%02x%02x size=%d.\n",
1654 	    ct_req->req.rpa.port_name[0], ct_req->req.rpa.port_name[1],
1655 	    ct_req->req.rpa.port_name[2], ct_req->req.rpa.port_name[3],
1656 	    ct_req->req.rpa.port_name[4], ct_req->req.rpa.port_name[5],
1657 	    ct_req->req.rpa.port_name[6], ct_req->req.rpa.port_name[7],
1658 	    size);
1659 	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2079,
1660 	    entries, size);
1661 
1662 	/* Execute MS IOCB */
1663 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
1664 	    sizeof(ms_iocb_entry_t));
1665 	if (rval != QLA_SUCCESS) {
1666 		/*EMPTY*/
1667 		ql_dbg(ql_dbg_disc, vha, 0x2040,
1668 		    "RPA issue IOCB failed (%d).\n", rval);
1669 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RPA") !=
1670 	    QLA_SUCCESS) {
1671 		rval = QLA_FUNCTION_FAILED;
1672 	} else {
1673 		ql_dbg(ql_dbg_disc, vha, 0x2041,
1674 		    "RPA exiting nornally.\n");
1675 	}
1676 
1677 	return rval;
1678 }
1679 
1680 /**
1681  * qla2x00_fdmi_register() -
1682  * @ha: HA context
1683  *
1684  * Returns 0 on success.
1685  */
1686 int
1687 qla2x00_fdmi_register(scsi_qla_host_t *vha)
1688 {
1689 	int rval;
1690        struct qla_hw_data *ha = vha->hw;
1691 
1692 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
1693 		return QLA_FUNCTION_FAILED;
1694 
1695 	rval = qla2x00_mgmt_svr_login(vha);
1696 	if (rval)
1697 		return rval;
1698 
1699 	rval = qla2x00_fdmi_rhba(vha);
1700 	if (rval) {
1701 		if (rval != QLA_ALREADY_REGISTERED)
1702 			return rval;
1703 
1704 		rval = qla2x00_fdmi_dhba(vha);
1705 		if (rval)
1706 			return rval;
1707 
1708 		rval = qla2x00_fdmi_rhba(vha);
1709 		if (rval)
1710 			return rval;
1711 	}
1712 	rval = qla2x00_fdmi_rpa(vha);
1713 
1714 	return rval;
1715 }
1716 
1717 /**
1718  * qla2x00_gfpn_id() - SNS Get Fabric Port Name (GFPN_ID) query.
1719  * @ha: HA context
1720  * @list: switch info entries to populate
1721  *
1722  * Returns 0 on success.
1723  */
1724 int
1725 qla2x00_gfpn_id(scsi_qla_host_t *vha, sw_info_t *list)
1726 {
1727 	int		rval;
1728 	uint16_t	i;
1729 	struct qla_hw_data *ha = vha->hw;
1730 	ms_iocb_entry_t	*ms_pkt;
1731 	struct ct_sns_req	*ct_req;
1732 	struct ct_sns_rsp	*ct_rsp;
1733 
1734 	if (!IS_IIDMA_CAPABLE(ha))
1735 		return QLA_FUNCTION_FAILED;
1736 
1737 	for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
1738 		/* Issue GFPN_ID */
1739 		/* Prepare common MS IOCB */
1740 		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GFPN_ID_REQ_SIZE,
1741 		    GFPN_ID_RSP_SIZE);
1742 
1743 		/* Prepare CT request */
1744 		ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GFPN_ID_CMD,
1745 		    GFPN_ID_RSP_SIZE);
1746 		ct_rsp = &ha->ct_sns->p.rsp;
1747 
1748 		/* Prepare CT arguments -- port_id */
1749 		ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
1750 		ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
1751 		ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
1752 
1753 		/* Execute MS IOCB */
1754 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
1755 		    sizeof(ms_iocb_entry_t));
1756 		if (rval != QLA_SUCCESS) {
1757 			/*EMPTY*/
1758 			ql_dbg(ql_dbg_disc, vha, 0x2023,
1759 			    "GFPN_ID issue IOCB failed (%d).\n", rval);
1760 		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
1761 		    "GFPN_ID") != QLA_SUCCESS) {
1762 			rval = QLA_FUNCTION_FAILED;
1763 		} else {
1764 			/* Save fabric portname */
1765 			memcpy(list[i].fabric_port_name,
1766 			    ct_rsp->rsp.gfpn_id.port_name, WWN_SIZE);
1767 		}
1768 
1769 		/* Last device exit. */
1770 		if (list[i].d_id.b.rsvd_1 != 0)
1771 			break;
1772 	}
1773 
1774 	return (rval);
1775 }
1776 
1777 static inline void *
1778 qla24xx_prep_ms_fm_iocb(scsi_qla_host_t *vha, uint32_t req_size,
1779     uint32_t rsp_size)
1780 {
1781 	struct ct_entry_24xx *ct_pkt;
1782 	struct qla_hw_data *ha = vha->hw;
1783 	ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1784 	memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1785 
1786 	ct_pkt->entry_type = CT_IOCB_TYPE;
1787 	ct_pkt->entry_count = 1;
1788 	ct_pkt->nport_handle = cpu_to_le16(vha->mgmt_svr_loop_id);
1789 	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1790 	ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1791 	ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
1792 	ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1793 	ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1794 
1795 	ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1796 	ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1797 	ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1798 
1799 	ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1800 	ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1801 	ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
1802 	ct_pkt->vp_index = vha->vp_idx;
1803 
1804 	return ct_pkt;
1805 }
1806 
1807 
1808 static inline struct ct_sns_req *
1809 qla24xx_prep_ct_fm_req(struct ct_sns_req *ct_req, uint16_t cmd,
1810     uint16_t rsp_size)
1811 {
1812 	memset(ct_req, 0, sizeof(struct ct_sns_pkt));
1813 
1814 	ct_req->header.revision = 0x01;
1815 	ct_req->header.gs_type = 0xFA;
1816 	ct_req->header.gs_subtype = 0x01;
1817 	ct_req->command = cpu_to_be16(cmd);
1818 	ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1819 
1820 	return ct_req;
1821 }
1822 
1823 /**
1824  * qla2x00_gpsc() - FCS Get Port Speed Capabilities (GPSC) query.
1825  * @ha: HA context
1826  * @list: switch info entries to populate
1827  *
1828  * Returns 0 on success.
1829  */
1830 int
1831 qla2x00_gpsc(scsi_qla_host_t *vha, sw_info_t *list)
1832 {
1833 	int		rval;
1834 	uint16_t	i;
1835 	struct qla_hw_data *ha = vha->hw;
1836 	ms_iocb_entry_t	*ms_pkt;
1837 	struct ct_sns_req	*ct_req;
1838 	struct ct_sns_rsp	*ct_rsp;
1839 
1840 	if (!IS_IIDMA_CAPABLE(ha))
1841 		return QLA_FUNCTION_FAILED;
1842 	if (!ha->flags.gpsc_supported)
1843 		return QLA_FUNCTION_FAILED;
1844 
1845 	rval = qla2x00_mgmt_svr_login(vha);
1846 	if (rval)
1847 		return rval;
1848 
1849 	for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
1850 		/* Issue GFPN_ID */
1851 		/* Prepare common MS IOCB */
1852 		ms_pkt = qla24xx_prep_ms_fm_iocb(vha, GPSC_REQ_SIZE,
1853 		    GPSC_RSP_SIZE);
1854 
1855 		/* Prepare CT request */
1856 		ct_req = qla24xx_prep_ct_fm_req(&ha->ct_sns->p.req,
1857 		    GPSC_CMD, GPSC_RSP_SIZE);
1858 		ct_rsp = &ha->ct_sns->p.rsp;
1859 
1860 		/* Prepare CT arguments -- port_name */
1861 		memcpy(ct_req->req.gpsc.port_name, list[i].fabric_port_name,
1862 		    WWN_SIZE);
1863 
1864 		/* Execute MS IOCB */
1865 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
1866 		    sizeof(ms_iocb_entry_t));
1867 		if (rval != QLA_SUCCESS) {
1868 			/*EMPTY*/
1869 			ql_dbg(ql_dbg_disc, vha, 0x2059,
1870 			    "GPSC issue IOCB failed (%d).\n", rval);
1871 		} else if ((rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
1872 		    "GPSC")) != QLA_SUCCESS) {
1873 			/* FM command unsupported? */
1874 			if (rval == QLA_INVALID_COMMAND &&
1875 			    (ct_rsp->header.reason_code ==
1876 				CT_REASON_INVALID_COMMAND_CODE ||
1877 			     ct_rsp->header.reason_code ==
1878 				CT_REASON_COMMAND_UNSUPPORTED)) {
1879 				ql_dbg(ql_dbg_disc, vha, 0x205a,
1880 				    "GPSC command unsupported, disabling "
1881 				    "query.\n");
1882 				ha->flags.gpsc_supported = 0;
1883 				rval = QLA_FUNCTION_FAILED;
1884 				break;
1885 			}
1886 			rval = QLA_FUNCTION_FAILED;
1887 		} else {
1888 			/* Save port-speed */
1889 			switch (be16_to_cpu(ct_rsp->rsp.gpsc.speed)) {
1890 			case BIT_15:
1891 				list[i].fp_speed = PORT_SPEED_1GB;
1892 				break;
1893 			case BIT_14:
1894 				list[i].fp_speed = PORT_SPEED_2GB;
1895 				break;
1896 			case BIT_13:
1897 				list[i].fp_speed = PORT_SPEED_4GB;
1898 				break;
1899 			case BIT_12:
1900 				list[i].fp_speed = PORT_SPEED_10GB;
1901 				break;
1902 			case BIT_11:
1903 				list[i].fp_speed = PORT_SPEED_8GB;
1904 				break;
1905 			}
1906 
1907 			ql_dbg(ql_dbg_disc, vha, 0x205b,
1908 			    "GPSC ext entry - fpn "
1909 			    "%02x%02x%02x%02x%02x%02x%02x%02x speeds=%04x "
1910 			    "speed=%04x.\n",
1911 			    list[i].fabric_port_name[0],
1912 			    list[i].fabric_port_name[1],
1913 			    list[i].fabric_port_name[2],
1914 			    list[i].fabric_port_name[3],
1915 			    list[i].fabric_port_name[4],
1916 			    list[i].fabric_port_name[5],
1917 			    list[i].fabric_port_name[6],
1918 			    list[i].fabric_port_name[7],
1919 			    be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
1920 			    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
1921 		}
1922 
1923 		/* Last device exit. */
1924 		if (list[i].d_id.b.rsvd_1 != 0)
1925 			break;
1926 	}
1927 
1928 	return (rval);
1929 }
1930 
1931 /**
1932  * qla2x00_gff_id() - SNS Get FC-4 Features (GFF_ID) query.
1933  *
1934  * @ha: HA context
1935  * @list: switch info entries to populate
1936  *
1937  */
1938 void
1939 qla2x00_gff_id(scsi_qla_host_t *vha, sw_info_t *list)
1940 {
1941 	int		rval;
1942 	uint16_t	i;
1943 
1944 	ms_iocb_entry_t	*ms_pkt;
1945 	struct ct_sns_req	*ct_req;
1946 	struct ct_sns_rsp	*ct_rsp;
1947 	struct qla_hw_data *ha = vha->hw;
1948 	uint8_t fcp_scsi_features = 0;
1949 
1950 	for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
1951 		/* Set default FC4 Type as UNKNOWN so the default is to
1952 		 * Process this port */
1953 		list[i].fc4_type = FC4_TYPE_UNKNOWN;
1954 
1955 		/* Do not attempt GFF_ID if we are not FWI_2 capable */
1956 		if (!IS_FWI2_CAPABLE(ha))
1957 			continue;
1958 
1959 		/* Prepare common MS IOCB */
1960 		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GFF_ID_REQ_SIZE,
1961 		    GFF_ID_RSP_SIZE);
1962 
1963 		/* Prepare CT request */
1964 		ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GFF_ID_CMD,
1965 		    GFF_ID_RSP_SIZE);
1966 		ct_rsp = &ha->ct_sns->p.rsp;
1967 
1968 		/* Prepare CT arguments -- port_id */
1969 		ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
1970 		ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
1971 		ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
1972 
1973 		/* Execute MS IOCB */
1974 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
1975 		   sizeof(ms_iocb_entry_t));
1976 
1977 		if (rval != QLA_SUCCESS) {
1978 			ql_dbg(ql_dbg_disc, vha, 0x205c,
1979 			    "GFF_ID issue IOCB failed (%d).\n", rval);
1980 		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
1981 			       "GFF_ID") != QLA_SUCCESS) {
1982 			ql_dbg(ql_dbg_disc, vha, 0x205d,
1983 			    "GFF_ID IOCB status had a failure status code.\n");
1984 		} else {
1985 			fcp_scsi_features =
1986 			   ct_rsp->rsp.gff_id.fc4_features[GFF_FCP_SCSI_OFFSET];
1987 			fcp_scsi_features &= 0x0f;
1988 
1989 			if (fcp_scsi_features)
1990 				list[i].fc4_type = FC4_TYPE_FCP_SCSI;
1991 			else
1992 				list[i].fc4_type = FC4_TYPE_OTHER;
1993 		}
1994 
1995 		/* Last device exit. */
1996 		if (list[i].d_id.b.rsvd_1 != 0)
1997 			break;
1998 	}
1999 }
2000