xref: /linux/drivers/scsi/qla2xxx/qla_gs.c (revision 3f0a50f345f78183f6e9b39c2f45ca5dcaa511ca)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * QLogic Fibre Channel HBA Driver
4  * Copyright (c)  2003-2014 QLogic Corporation
5  */
6 #include "qla_def.h"
7 #include "qla_target.h"
8 #include <linux/utsname.h>
9 
10 static int qla2x00_sns_ga_nxt(scsi_qla_host_t *, fc_port_t *);
11 static int qla2x00_sns_gid_pt(scsi_qla_host_t *, sw_info_t *);
12 static int qla2x00_sns_gpn_id(scsi_qla_host_t *, sw_info_t *);
13 static int qla2x00_sns_gnn_id(scsi_qla_host_t *, sw_info_t *);
14 static int qla2x00_sns_rft_id(scsi_qla_host_t *);
15 static int qla2x00_sns_rnn_id(scsi_qla_host_t *);
16 static int qla_async_rftid(scsi_qla_host_t *, port_id_t *);
17 static int qla_async_rffid(scsi_qla_host_t *, port_id_t *, u8, u8);
18 static int qla_async_rnnid(scsi_qla_host_t *, port_id_t *, u8*);
19 static int qla_async_rsnn_nn(scsi_qla_host_t *);
20 
21 
22 
23 /**
24  * qla2x00_prep_ms_iocb() - Prepare common MS/CT IOCB fields for SNS CT query.
25  * @vha: HA context
26  * @arg: CT arguments
27  *
28  * Returns a pointer to the @vha's ms_iocb.
29  */
30 void *
31 qla2x00_prep_ms_iocb(scsi_qla_host_t *vha, struct ct_arg *arg)
32 {
33 	struct qla_hw_data *ha = vha->hw;
34 	ms_iocb_entry_t *ms_pkt;
35 
36 	ms_pkt = (ms_iocb_entry_t *)arg->iocb;
37 	memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
38 
39 	ms_pkt->entry_type = MS_IOCB_TYPE;
40 	ms_pkt->entry_count = 1;
41 	SET_TARGET_ID(ha, ms_pkt->loop_id, SIMPLE_NAME_SERVER);
42 	ms_pkt->control_flags = cpu_to_le16(CF_READ | CF_HEAD_TAG);
43 	ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
44 	ms_pkt->cmd_dsd_count = cpu_to_le16(1);
45 	ms_pkt->total_dsd_count = cpu_to_le16(2);
46 	ms_pkt->rsp_bytecount = cpu_to_le32(arg->rsp_size);
47 	ms_pkt->req_bytecount = cpu_to_le32(arg->req_size);
48 
49 	put_unaligned_le64(arg->req_dma, &ms_pkt->req_dsd.address);
50 	ms_pkt->req_dsd.length = ms_pkt->req_bytecount;
51 
52 	put_unaligned_le64(arg->rsp_dma, &ms_pkt->rsp_dsd.address);
53 	ms_pkt->rsp_dsd.length = ms_pkt->rsp_bytecount;
54 
55 	vha->qla_stats.control_requests++;
56 
57 	return (ms_pkt);
58 }
59 
60 /**
61  * qla24xx_prep_ms_iocb() - Prepare common CT IOCB fields for SNS CT query.
62  * @vha: HA context
63  * @arg: CT arguments
64  *
65  * Returns a pointer to the @ha's ms_iocb.
66  */
67 void *
68 qla24xx_prep_ms_iocb(scsi_qla_host_t *vha, struct ct_arg *arg)
69 {
70 	struct qla_hw_data *ha = vha->hw;
71 	struct ct_entry_24xx *ct_pkt;
72 
73 	ct_pkt = (struct ct_entry_24xx *)arg->iocb;
74 	memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
75 
76 	ct_pkt->entry_type = CT_IOCB_TYPE;
77 	ct_pkt->entry_count = 1;
78 	ct_pkt->nport_handle = cpu_to_le16(arg->nport_handle);
79 	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
80 	ct_pkt->cmd_dsd_count = cpu_to_le16(1);
81 	ct_pkt->rsp_dsd_count = cpu_to_le16(1);
82 	ct_pkt->rsp_byte_count = cpu_to_le32(arg->rsp_size);
83 	ct_pkt->cmd_byte_count = cpu_to_le32(arg->req_size);
84 
85 	put_unaligned_le64(arg->req_dma, &ct_pkt->dsd[0].address);
86 	ct_pkt->dsd[0].length = ct_pkt->cmd_byte_count;
87 
88 	put_unaligned_le64(arg->rsp_dma, &ct_pkt->dsd[1].address);
89 	ct_pkt->dsd[1].length = ct_pkt->rsp_byte_count;
90 	ct_pkt->vp_index = vha->vp_idx;
91 
92 	vha->qla_stats.control_requests++;
93 
94 	return (ct_pkt);
95 }
96 
97 /**
98  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
99  * @p: CT request buffer
100  * @cmd: GS command
101  * @rsp_size: response size in bytes
102  *
103  * Returns a pointer to the intitialized @ct_req.
104  */
105 static inline struct ct_sns_req *
106 qla2x00_prep_ct_req(struct ct_sns_pkt *p, uint16_t cmd, uint16_t rsp_size)
107 {
108 	memset(p, 0, sizeof(struct ct_sns_pkt));
109 
110 	p->p.req.header.revision = 0x01;
111 	p->p.req.header.gs_type = 0xFC;
112 	p->p.req.header.gs_subtype = 0x02;
113 	p->p.req.command = cpu_to_be16(cmd);
114 	p->p.req.max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
115 
116 	return &p->p.req;
117 }
118 
119 int
120 qla2x00_chk_ms_status(scsi_qla_host_t *vha, ms_iocb_entry_t *ms_pkt,
121     struct ct_sns_rsp *ct_rsp, const char *routine)
122 {
123 	int rval;
124 	uint16_t comp_status;
125 	struct qla_hw_data *ha = vha->hw;
126 	bool lid_is_sns = false;
127 
128 	rval = QLA_FUNCTION_FAILED;
129 	if (ms_pkt->entry_status != 0) {
130 		ql_dbg(ql_dbg_disc, vha, 0x2031,
131 		    "%s failed, error status (%x) on port_id: %02x%02x%02x.\n",
132 		    routine, ms_pkt->entry_status, vha->d_id.b.domain,
133 		    vha->d_id.b.area, vha->d_id.b.al_pa);
134 	} else {
135 		if (IS_FWI2_CAPABLE(ha))
136 			comp_status = le16_to_cpu(
137 			    ((struct ct_entry_24xx *)ms_pkt)->comp_status);
138 		else
139 			comp_status = le16_to_cpu(ms_pkt->status);
140 		switch (comp_status) {
141 		case CS_COMPLETE:
142 		case CS_DATA_UNDERRUN:
143 		case CS_DATA_OVERRUN:		/* Overrun? */
144 			if (ct_rsp->header.response !=
145 			    cpu_to_be16(CT_ACCEPT_RESPONSE)) {
146 				ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2077,
147 				    "%s failed rejected request on port_id: %02x%02x%02x Completion status 0x%x, response 0x%x\n",
148 				    routine, vha->d_id.b.domain,
149 				    vha->d_id.b.area, vha->d_id.b.al_pa,
150 				    comp_status, ct_rsp->header.response);
151 				ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha,
152 				    0x2078, ct_rsp,
153 				    offsetof(typeof(*ct_rsp), rsp));
154 				rval = QLA_INVALID_COMMAND;
155 			} else
156 				rval = QLA_SUCCESS;
157 			break;
158 		case CS_PORT_LOGGED_OUT:
159 			if (IS_FWI2_CAPABLE(ha)) {
160 				if (le16_to_cpu(ms_pkt->loop_id.extended) ==
161 				    NPH_SNS)
162 					lid_is_sns = true;
163 			} else {
164 				if (le16_to_cpu(ms_pkt->loop_id.extended) ==
165 				    SIMPLE_NAME_SERVER)
166 					lid_is_sns = true;
167 			}
168 			if (lid_is_sns) {
169 				ql_dbg(ql_dbg_async, vha, 0x502b,
170 					"%s failed, Name server has logged out",
171 					routine);
172 				rval = QLA_NOT_LOGGED_IN;
173 				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
174 				set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
175 			}
176 			break;
177 		case CS_TIMEOUT:
178 			rval = QLA_FUNCTION_TIMEOUT;
179 			fallthrough;
180 		default:
181 			ql_dbg(ql_dbg_disc, vha, 0x2033,
182 			    "%s failed, completion status (%x) on port_id: "
183 			    "%02x%02x%02x.\n", routine, comp_status,
184 			    vha->d_id.b.domain, vha->d_id.b.area,
185 			    vha->d_id.b.al_pa);
186 			break;
187 		}
188 	}
189 	return rval;
190 }
191 
192 /**
193  * qla2x00_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
194  * @vha: HA context
195  * @fcport: fcport entry to updated
196  *
197  * Returns 0 on success.
198  */
199 int
200 qla2x00_ga_nxt(scsi_qla_host_t *vha, fc_port_t *fcport)
201 {
202 	int		rval;
203 
204 	ms_iocb_entry_t	*ms_pkt;
205 	struct ct_sns_req	*ct_req;
206 	struct ct_sns_rsp	*ct_rsp;
207 	struct qla_hw_data *ha = vha->hw;
208 	struct ct_arg arg;
209 
210 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
211 		return qla2x00_sns_ga_nxt(vha, fcport);
212 
213 	arg.iocb = ha->ms_iocb;
214 	arg.req_dma = ha->ct_sns_dma;
215 	arg.rsp_dma = ha->ct_sns_dma;
216 	arg.req_size = GA_NXT_REQ_SIZE;
217 	arg.rsp_size = GA_NXT_RSP_SIZE;
218 	arg.nport_handle = NPH_SNS;
219 
220 	/* Issue GA_NXT */
221 	/* Prepare common MS IOCB */
222 	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
223 
224 	/* Prepare CT request */
225 	ct_req = qla2x00_prep_ct_req(ha->ct_sns, GA_NXT_CMD,
226 	    GA_NXT_RSP_SIZE);
227 	ct_rsp = &ha->ct_sns->p.rsp;
228 
229 	/* Prepare CT arguments -- port_id */
230 	ct_req->req.port_id.port_id = port_id_to_be_id(fcport->d_id);
231 
232 	/* Execute MS IOCB */
233 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
234 	    sizeof(ms_iocb_entry_t));
235 	if (rval != QLA_SUCCESS) {
236 		/*EMPTY*/
237 		ql_dbg(ql_dbg_disc, vha, 0x2062,
238 		    "GA_NXT issue IOCB failed (%d).\n", rval);
239 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GA_NXT") !=
240 	    QLA_SUCCESS) {
241 		rval = QLA_FUNCTION_FAILED;
242 	} else {
243 		/* Populate fc_port_t entry. */
244 		fcport->d_id = be_to_port_id(ct_rsp->rsp.ga_nxt.port_id);
245 
246 		memcpy(fcport->node_name, ct_rsp->rsp.ga_nxt.node_name,
247 		    WWN_SIZE);
248 		memcpy(fcport->port_name, ct_rsp->rsp.ga_nxt.port_name,
249 		    WWN_SIZE);
250 
251 		fcport->fc4_type = (ct_rsp->rsp.ga_nxt.fc4_types[2] & BIT_0) ?
252 		    FS_FC4TYPE_FCP : FC4_TYPE_OTHER;
253 
254 		if (ct_rsp->rsp.ga_nxt.port_type != NS_N_PORT_TYPE &&
255 		    ct_rsp->rsp.ga_nxt.port_type != NS_NL_PORT_TYPE)
256 			fcport->d_id.b.domain = 0xf0;
257 
258 		ql_dbg(ql_dbg_disc, vha, 0x2063,
259 		    "GA_NXT entry - nn %8phN pn %8phN "
260 		    "port_id=%02x%02x%02x.\n",
261 		    fcport->node_name, fcport->port_name,
262 		    fcport->d_id.b.domain, fcport->d_id.b.area,
263 		    fcport->d_id.b.al_pa);
264 	}
265 
266 	return (rval);
267 }
268 
269 static inline int
270 qla2x00_gid_pt_rsp_size(scsi_qla_host_t *vha)
271 {
272 	return vha->hw->max_fibre_devices * 4 + 16;
273 }
274 
275 /**
276  * qla2x00_gid_pt() - SNS scan for fabric devices via GID_PT command.
277  * @vha: HA context
278  * @list: switch info entries to populate
279  *
280  * NOTE: Non-Nx_Ports are not requested.
281  *
282  * Returns 0 on success.
283  */
284 int
285 qla2x00_gid_pt(scsi_qla_host_t *vha, sw_info_t *list)
286 {
287 	int		rval;
288 	uint16_t	i;
289 
290 	ms_iocb_entry_t	*ms_pkt;
291 	struct ct_sns_req	*ct_req;
292 	struct ct_sns_rsp	*ct_rsp;
293 
294 	struct ct_sns_gid_pt_data *gid_data;
295 	struct qla_hw_data *ha = vha->hw;
296 	uint16_t gid_pt_rsp_size;
297 	struct ct_arg arg;
298 
299 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
300 		return qla2x00_sns_gid_pt(vha, list);
301 
302 	gid_data = NULL;
303 	gid_pt_rsp_size = qla2x00_gid_pt_rsp_size(vha);
304 
305 	arg.iocb = ha->ms_iocb;
306 	arg.req_dma = ha->ct_sns_dma;
307 	arg.rsp_dma = ha->ct_sns_dma;
308 	arg.req_size = GID_PT_REQ_SIZE;
309 	arg.rsp_size = gid_pt_rsp_size;
310 	arg.nport_handle = NPH_SNS;
311 
312 	/* Issue GID_PT */
313 	/* Prepare common MS IOCB */
314 	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
315 
316 	/* Prepare CT request */
317 	ct_req = qla2x00_prep_ct_req(ha->ct_sns, GID_PT_CMD, gid_pt_rsp_size);
318 	ct_rsp = &ha->ct_sns->p.rsp;
319 
320 	/* Prepare CT arguments -- port_type */
321 	ct_req->req.gid_pt.port_type = NS_NX_PORT_TYPE;
322 
323 	/* Execute MS IOCB */
324 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
325 	    sizeof(ms_iocb_entry_t));
326 	if (rval != QLA_SUCCESS) {
327 		/*EMPTY*/
328 		ql_dbg(ql_dbg_disc, vha, 0x2055,
329 		    "GID_PT issue IOCB failed (%d).\n", rval);
330 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GID_PT") !=
331 	    QLA_SUCCESS) {
332 		rval = QLA_FUNCTION_FAILED;
333 	} else {
334 		/* Set port IDs in switch info list. */
335 		for (i = 0; i < ha->max_fibre_devices; i++) {
336 			gid_data = &ct_rsp->rsp.gid_pt.entries[i];
337 			list[i].d_id = be_to_port_id(gid_data->port_id);
338 			memset(list[i].fabric_port_name, 0, WWN_SIZE);
339 			list[i].fp_speed = PORT_SPEED_UNKNOWN;
340 
341 			/* Last one exit. */
342 			if (gid_data->control_byte & BIT_7) {
343 				list[i].d_id.b.rsvd_1 = gid_data->control_byte;
344 				break;
345 			}
346 		}
347 
348 		/*
349 		 * If we've used all available slots, then the switch is
350 		 * reporting back more devices than we can handle with this
351 		 * single call.  Return a failed status, and let GA_NXT handle
352 		 * the overload.
353 		 */
354 		if (i == ha->max_fibre_devices)
355 			rval = QLA_FUNCTION_FAILED;
356 	}
357 
358 	return (rval);
359 }
360 
361 /**
362  * qla2x00_gpn_id() - SNS Get Port Name (GPN_ID) query.
363  * @vha: HA context
364  * @list: switch info entries to populate
365  *
366  * Returns 0 on success.
367  */
368 int
369 qla2x00_gpn_id(scsi_qla_host_t *vha, sw_info_t *list)
370 {
371 	int		rval = QLA_SUCCESS;
372 	uint16_t	i;
373 
374 	ms_iocb_entry_t	*ms_pkt;
375 	struct ct_sns_req	*ct_req;
376 	struct ct_sns_rsp	*ct_rsp;
377 	struct qla_hw_data *ha = vha->hw;
378 	struct ct_arg arg;
379 
380 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
381 		return qla2x00_sns_gpn_id(vha, list);
382 
383 	arg.iocb = ha->ms_iocb;
384 	arg.req_dma = ha->ct_sns_dma;
385 	arg.rsp_dma = ha->ct_sns_dma;
386 	arg.req_size = GPN_ID_REQ_SIZE;
387 	arg.rsp_size = GPN_ID_RSP_SIZE;
388 	arg.nport_handle = NPH_SNS;
389 
390 	for (i = 0; i < ha->max_fibre_devices; i++) {
391 		/* Issue GPN_ID */
392 		/* Prepare common MS IOCB */
393 		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
394 
395 		/* Prepare CT request */
396 		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GPN_ID_CMD,
397 		    GPN_ID_RSP_SIZE);
398 		ct_rsp = &ha->ct_sns->p.rsp;
399 
400 		/* Prepare CT arguments -- port_id */
401 		ct_req->req.port_id.port_id = port_id_to_be_id(list[i].d_id);
402 
403 		/* Execute MS IOCB */
404 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
405 		    sizeof(ms_iocb_entry_t));
406 		if (rval != QLA_SUCCESS) {
407 			/*EMPTY*/
408 			ql_dbg(ql_dbg_disc, vha, 0x2056,
409 			    "GPN_ID issue IOCB failed (%d).\n", rval);
410 			break;
411 		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
412 		    "GPN_ID") != QLA_SUCCESS) {
413 			rval = QLA_FUNCTION_FAILED;
414 			break;
415 		} else {
416 			/* Save portname */
417 			memcpy(list[i].port_name,
418 			    ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
419 		}
420 
421 		/* Last device exit. */
422 		if (list[i].d_id.b.rsvd_1 != 0)
423 			break;
424 	}
425 
426 	return (rval);
427 }
428 
429 /**
430  * qla2x00_gnn_id() - SNS Get Node Name (GNN_ID) query.
431  * @vha: HA context
432  * @list: switch info entries to populate
433  *
434  * Returns 0 on success.
435  */
436 int
437 qla2x00_gnn_id(scsi_qla_host_t *vha, sw_info_t *list)
438 {
439 	int		rval = QLA_SUCCESS;
440 	uint16_t	i;
441 	struct qla_hw_data *ha = vha->hw;
442 	ms_iocb_entry_t	*ms_pkt;
443 	struct ct_sns_req	*ct_req;
444 	struct ct_sns_rsp	*ct_rsp;
445 	struct ct_arg arg;
446 
447 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
448 		return qla2x00_sns_gnn_id(vha, list);
449 
450 	arg.iocb = ha->ms_iocb;
451 	arg.req_dma = ha->ct_sns_dma;
452 	arg.rsp_dma = ha->ct_sns_dma;
453 	arg.req_size = GNN_ID_REQ_SIZE;
454 	arg.rsp_size = GNN_ID_RSP_SIZE;
455 	arg.nport_handle = NPH_SNS;
456 
457 	for (i = 0; i < ha->max_fibre_devices; i++) {
458 		/* Issue GNN_ID */
459 		/* Prepare common MS IOCB */
460 		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
461 
462 		/* Prepare CT request */
463 		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GNN_ID_CMD,
464 		    GNN_ID_RSP_SIZE);
465 		ct_rsp = &ha->ct_sns->p.rsp;
466 
467 		/* Prepare CT arguments -- port_id */
468 		ct_req->req.port_id.port_id = port_id_to_be_id(list[i].d_id);
469 
470 		/* Execute MS IOCB */
471 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
472 		    sizeof(ms_iocb_entry_t));
473 		if (rval != QLA_SUCCESS) {
474 			/*EMPTY*/
475 			ql_dbg(ql_dbg_disc, vha, 0x2057,
476 			    "GNN_ID issue IOCB failed (%d).\n", rval);
477 			break;
478 		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
479 		    "GNN_ID") != QLA_SUCCESS) {
480 			rval = QLA_FUNCTION_FAILED;
481 			break;
482 		} else {
483 			/* Save nodename */
484 			memcpy(list[i].node_name,
485 			    ct_rsp->rsp.gnn_id.node_name, WWN_SIZE);
486 
487 			ql_dbg(ql_dbg_disc, vha, 0x2058,
488 			    "GID_PT entry - nn %8phN pn %8phN "
489 			    "portid=%02x%02x%02x.\n",
490 			    list[i].node_name, list[i].port_name,
491 			    list[i].d_id.b.domain, list[i].d_id.b.area,
492 			    list[i].d_id.b.al_pa);
493 		}
494 
495 		/* Last device exit. */
496 		if (list[i].d_id.b.rsvd_1 != 0)
497 			break;
498 	}
499 
500 	return (rval);
501 }
502 
503 static void qla2x00_async_sns_sp_done(srb_t *sp, int rc)
504 {
505 	struct scsi_qla_host *vha = sp->vha;
506 	struct ct_sns_pkt *ct_sns;
507 	struct qla_work_evt *e;
508 
509 	sp->rc = rc;
510 	if (rc == QLA_SUCCESS) {
511 		ql_dbg(ql_dbg_disc, vha, 0x204f,
512 		    "Async done-%s exiting normally.\n",
513 		    sp->name);
514 	} else if (rc == QLA_FUNCTION_TIMEOUT) {
515 		ql_dbg(ql_dbg_disc, vha, 0x204f,
516 		    "Async done-%s timeout\n", sp->name);
517 	} else {
518 		ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
519 		memset(ct_sns, 0, sizeof(*ct_sns));
520 		sp->retry_count++;
521 		if (sp->retry_count > 3)
522 			goto err;
523 
524 		ql_dbg(ql_dbg_disc, vha, 0x204f,
525 		    "Async done-%s fail rc %x.  Retry count %d\n",
526 		    sp->name, rc, sp->retry_count);
527 
528 		e = qla2x00_alloc_work(vha, QLA_EVT_SP_RETRY);
529 		if (!e)
530 			goto err2;
531 
532 		e->u.iosb.sp = sp;
533 		qla2x00_post_work(vha, e);
534 		return;
535 	}
536 
537 err:
538 	e = qla2x00_alloc_work(vha, QLA_EVT_UNMAP);
539 err2:
540 	if (!e) {
541 		/* please ignore kernel warning. otherwise, we have mem leak. */
542 		if (sp->u.iocb_cmd.u.ctarg.req) {
543 			dma_free_coherent(&vha->hw->pdev->dev,
544 			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
545 			    sp->u.iocb_cmd.u.ctarg.req,
546 			    sp->u.iocb_cmd.u.ctarg.req_dma);
547 			sp->u.iocb_cmd.u.ctarg.req = NULL;
548 		}
549 
550 		if (sp->u.iocb_cmd.u.ctarg.rsp) {
551 			dma_free_coherent(&vha->hw->pdev->dev,
552 			    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
553 			    sp->u.iocb_cmd.u.ctarg.rsp,
554 			    sp->u.iocb_cmd.u.ctarg.rsp_dma);
555 			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
556 		}
557 
558 		/* ref: INIT */
559 		kref_put(&sp->cmd_kref, qla2x00_sp_release);
560 		return;
561 	}
562 
563 	e->u.iosb.sp = sp;
564 	qla2x00_post_work(vha, e);
565 }
566 
567 /**
568  * qla2x00_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
569  * @vha: HA context
570  *
571  * Returns 0 on success.
572  */
573 int
574 qla2x00_rft_id(scsi_qla_host_t *vha)
575 {
576 	struct qla_hw_data *ha = vha->hw;
577 
578 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
579 		return qla2x00_sns_rft_id(vha);
580 
581 	return qla_async_rftid(vha, &vha->d_id);
582 }
583 
584 static int qla_async_rftid(scsi_qla_host_t *vha, port_id_t *d_id)
585 {
586 	int rval = QLA_MEMORY_ALLOC_FAILED;
587 	struct ct_sns_req *ct_req;
588 	srb_t *sp;
589 	struct ct_sns_pkt *ct_sns;
590 
591 	if (!vha->flags.online)
592 		goto done;
593 
594 	/* ref: INIT */
595 	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
596 	if (!sp)
597 		goto done;
598 
599 	sp->type = SRB_CT_PTHRU_CMD;
600 	sp->name = "rft_id";
601 	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
602 			      qla2x00_async_sns_sp_done);
603 
604 	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
605 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
606 	    GFP_KERNEL);
607 	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
608 	if (!sp->u.iocb_cmd.u.ctarg.req) {
609 		ql_log(ql_log_warn, vha, 0xd041,
610 		    "%s: Failed to allocate ct_sns request.\n",
611 		    __func__);
612 		goto done_free_sp;
613 	}
614 
615 	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
616 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
617 	    GFP_KERNEL);
618 	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
619 	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
620 		ql_log(ql_log_warn, vha, 0xd042,
621 		    "%s: Failed to allocate ct_sns request.\n",
622 		    __func__);
623 		goto done_free_sp;
624 	}
625 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
626 	memset(ct_sns, 0, sizeof(*ct_sns));
627 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
628 
629 	/* Prepare CT request */
630 	ct_req = qla2x00_prep_ct_req(ct_sns, RFT_ID_CMD, RFT_ID_RSP_SIZE);
631 
632 	/* Prepare CT arguments -- port_id, FC-4 types */
633 	ct_req->req.rft_id.port_id = port_id_to_be_id(vha->d_id);
634 	ct_req->req.rft_id.fc4_types[2] = 0x01;		/* FCP-3 */
635 
636 	if (vha->flags.nvme_enabled && qla_ini_mode_enabled(vha))
637 		ct_req->req.rft_id.fc4_types[6] = 1;    /* NVMe type 28h */
638 
639 	sp->u.iocb_cmd.u.ctarg.req_size = RFT_ID_REQ_SIZE;
640 	sp->u.iocb_cmd.u.ctarg.rsp_size = RFT_ID_RSP_SIZE;
641 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
642 
643 	ql_dbg(ql_dbg_disc, vha, 0xffff,
644 	    "Async-%s - hdl=%x portid %06x.\n",
645 	    sp->name, sp->handle, d_id->b24);
646 
647 	rval = qla2x00_start_sp(sp);
648 	if (rval != QLA_SUCCESS) {
649 		ql_dbg(ql_dbg_disc, vha, 0x2043,
650 		    "RFT_ID issue IOCB failed (%d).\n", rval);
651 		goto done_free_sp;
652 	}
653 	return rval;
654 done_free_sp:
655 	/* ref: INIT */
656 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
657 done:
658 	return rval;
659 }
660 
661 /**
662  * qla2x00_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the HBA.
663  * @vha: HA context
664  * @type: not used
665  *
666  * Returns 0 on success.
667  */
668 int
669 qla2x00_rff_id(scsi_qla_host_t *vha, u8 type)
670 {
671 	struct qla_hw_data *ha = vha->hw;
672 
673 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
674 		ql_dbg(ql_dbg_disc, vha, 0x2046,
675 		    "RFF_ID call not supported on ISP2100/ISP2200.\n");
676 		return (QLA_SUCCESS);
677 	}
678 
679 	return qla_async_rffid(vha, &vha->d_id, qlt_rff_id(vha), type);
680 }
681 
682 static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id,
683     u8 fc4feature, u8 fc4type)
684 {
685 	int rval = QLA_MEMORY_ALLOC_FAILED;
686 	struct ct_sns_req *ct_req;
687 	srb_t *sp;
688 	struct ct_sns_pkt *ct_sns;
689 
690 	/* ref: INIT */
691 	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
692 	if (!sp)
693 		goto done;
694 
695 	sp->type = SRB_CT_PTHRU_CMD;
696 	sp->name = "rff_id";
697 	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
698 			      qla2x00_async_sns_sp_done);
699 
700 	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
701 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
702 	    GFP_KERNEL);
703 	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
704 	if (!sp->u.iocb_cmd.u.ctarg.req) {
705 		ql_log(ql_log_warn, vha, 0xd041,
706 		    "%s: Failed to allocate ct_sns request.\n",
707 		    __func__);
708 		goto done_free_sp;
709 	}
710 
711 	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
712 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
713 	    GFP_KERNEL);
714 	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
715 	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
716 		ql_log(ql_log_warn, vha, 0xd042,
717 		    "%s: Failed to allocate ct_sns request.\n",
718 		    __func__);
719 		goto done_free_sp;
720 	}
721 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
722 	memset(ct_sns, 0, sizeof(*ct_sns));
723 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
724 
725 	/* Prepare CT request */
726 	ct_req = qla2x00_prep_ct_req(ct_sns, RFF_ID_CMD, RFF_ID_RSP_SIZE);
727 
728 	/* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */
729 	ct_req->req.rff_id.port_id = port_id_to_be_id(*d_id);
730 	ct_req->req.rff_id.fc4_feature = fc4feature;
731 	ct_req->req.rff_id.fc4_type = fc4type;		/* SCSI-FCP or FC-NVMe */
732 
733 	sp->u.iocb_cmd.u.ctarg.req_size = RFF_ID_REQ_SIZE;
734 	sp->u.iocb_cmd.u.ctarg.rsp_size = RFF_ID_RSP_SIZE;
735 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
736 
737 	ql_dbg(ql_dbg_disc, vha, 0xffff,
738 	    "Async-%s - hdl=%x portid %06x feature %x type %x.\n",
739 	    sp->name, sp->handle, d_id->b24, fc4feature, fc4type);
740 
741 	rval = qla2x00_start_sp(sp);
742 	if (rval != QLA_SUCCESS) {
743 		ql_dbg(ql_dbg_disc, vha, 0x2047,
744 		    "RFF_ID issue IOCB failed (%d).\n", rval);
745 		goto done_free_sp;
746 	}
747 
748 	return rval;
749 
750 done_free_sp:
751 	/* ref: INIT */
752 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
753 done:
754 	return rval;
755 }
756 
757 /**
758  * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
759  * @vha: HA context
760  *
761  * Returns 0 on success.
762  */
763 int
764 qla2x00_rnn_id(scsi_qla_host_t *vha)
765 {
766 	struct qla_hw_data *ha = vha->hw;
767 
768 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
769 		return qla2x00_sns_rnn_id(vha);
770 
771 	return  qla_async_rnnid(vha, &vha->d_id, vha->node_name);
772 }
773 
774 static int qla_async_rnnid(scsi_qla_host_t *vha, port_id_t *d_id,
775 	u8 *node_name)
776 {
777 	int rval = QLA_MEMORY_ALLOC_FAILED;
778 	struct ct_sns_req *ct_req;
779 	srb_t *sp;
780 	struct ct_sns_pkt *ct_sns;
781 
782 	/* ref: INIT */
783 	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
784 	if (!sp)
785 		goto done;
786 
787 	sp->type = SRB_CT_PTHRU_CMD;
788 	sp->name = "rnid";
789 	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
790 			      qla2x00_async_sns_sp_done);
791 
792 	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
793 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
794 	    GFP_KERNEL);
795 	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
796 	if (!sp->u.iocb_cmd.u.ctarg.req) {
797 		ql_log(ql_log_warn, vha, 0xd041,
798 		    "%s: Failed to allocate ct_sns request.\n",
799 		    __func__);
800 		goto done_free_sp;
801 	}
802 
803 	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
804 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
805 	    GFP_KERNEL);
806 	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
807 	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
808 		ql_log(ql_log_warn, vha, 0xd042,
809 		    "%s: Failed to allocate ct_sns request.\n",
810 		    __func__);
811 		goto done_free_sp;
812 	}
813 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
814 	memset(ct_sns, 0, sizeof(*ct_sns));
815 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
816 
817 	/* Prepare CT request */
818 	ct_req = qla2x00_prep_ct_req(ct_sns, RNN_ID_CMD, RNN_ID_RSP_SIZE);
819 
820 	/* Prepare CT arguments -- port_id, node_name */
821 	ct_req->req.rnn_id.port_id = port_id_to_be_id(vha->d_id);
822 	memcpy(ct_req->req.rnn_id.node_name, vha->node_name, WWN_SIZE);
823 
824 	sp->u.iocb_cmd.u.ctarg.req_size = RNN_ID_REQ_SIZE;
825 	sp->u.iocb_cmd.u.ctarg.rsp_size = RNN_ID_RSP_SIZE;
826 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
827 
828 	ql_dbg(ql_dbg_disc, vha, 0xffff,
829 	    "Async-%s - hdl=%x portid %06x\n",
830 	    sp->name, sp->handle, d_id->b24);
831 
832 	rval = qla2x00_start_sp(sp);
833 	if (rval != QLA_SUCCESS) {
834 		ql_dbg(ql_dbg_disc, vha, 0x204d,
835 		    "RNN_ID issue IOCB failed (%d).\n", rval);
836 		goto done_free_sp;
837 	}
838 
839 	return rval;
840 
841 done_free_sp:
842 	/* ref: INIT */
843 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
844 done:
845 	return rval;
846 }
847 
848 size_t
849 qla2x00_get_sym_node_name(scsi_qla_host_t *vha, uint8_t *snn, size_t size)
850 {
851 	struct qla_hw_data *ha = vha->hw;
852 
853 	if (IS_QLAFX00(ha))
854 		return scnprintf(snn, size, "%s FW:v%s DVR:v%s",
855 		    ha->model_number, ha->mr.fw_version, qla2x00_version_str);
856 
857 	return scnprintf(snn, size, "%s FW:v%d.%02d.%02d DVR:v%s",
858 	    ha->model_number, ha->fw_major_version, ha->fw_minor_version,
859 	    ha->fw_subminor_version, qla2x00_version_str);
860 }
861 
862 /**
863  * qla2x00_rsnn_nn() - SNS Register Symbolic Node Name (RSNN_NN) of the HBA.
864  * @vha: HA context
865  *
866  * Returns 0 on success.
867  */
868 int
869 qla2x00_rsnn_nn(scsi_qla_host_t *vha)
870 {
871 	struct qla_hw_data *ha = vha->hw;
872 
873 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
874 		ql_dbg(ql_dbg_disc, vha, 0x2050,
875 		    "RSNN_ID call unsupported on ISP2100/ISP2200.\n");
876 		return (QLA_SUCCESS);
877 	}
878 
879 	return qla_async_rsnn_nn(vha);
880 }
881 
882 static int qla_async_rsnn_nn(scsi_qla_host_t *vha)
883 {
884 	int rval = QLA_MEMORY_ALLOC_FAILED;
885 	struct ct_sns_req *ct_req;
886 	srb_t *sp;
887 	struct ct_sns_pkt *ct_sns;
888 
889 	/* ref: INIT */
890 	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
891 	if (!sp)
892 		goto done;
893 
894 	sp->type = SRB_CT_PTHRU_CMD;
895 	sp->name = "rsnn_nn";
896 	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
897 			      qla2x00_async_sns_sp_done);
898 
899 	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
900 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
901 	    GFP_KERNEL);
902 	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
903 	if (!sp->u.iocb_cmd.u.ctarg.req) {
904 		ql_log(ql_log_warn, vha, 0xd041,
905 		    "%s: Failed to allocate ct_sns request.\n",
906 		    __func__);
907 		goto done_free_sp;
908 	}
909 
910 	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
911 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
912 	    GFP_KERNEL);
913 	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
914 	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
915 		ql_log(ql_log_warn, vha, 0xd042,
916 		    "%s: Failed to allocate ct_sns request.\n",
917 		    __func__);
918 		goto done_free_sp;
919 	}
920 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
921 	memset(ct_sns, 0, sizeof(*ct_sns));
922 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
923 
924 	/* Prepare CT request */
925 	ct_req = qla2x00_prep_ct_req(ct_sns, RSNN_NN_CMD, RSNN_NN_RSP_SIZE);
926 
927 	/* Prepare CT arguments -- node_name, symbolic node_name, size */
928 	memcpy(ct_req->req.rsnn_nn.node_name, vha->node_name, WWN_SIZE);
929 
930 	/* Prepare the Symbolic Node Name */
931 	qla2x00_get_sym_node_name(vha, ct_req->req.rsnn_nn.sym_node_name,
932 	    sizeof(ct_req->req.rsnn_nn.sym_node_name));
933 	ct_req->req.rsnn_nn.name_len =
934 	    (uint8_t)strlen(ct_req->req.rsnn_nn.sym_node_name);
935 
936 
937 	sp->u.iocb_cmd.u.ctarg.req_size = 24 + 1 + ct_req->req.rsnn_nn.name_len;
938 	sp->u.iocb_cmd.u.ctarg.rsp_size = RSNN_NN_RSP_SIZE;
939 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
940 
941 	ql_dbg(ql_dbg_disc, vha, 0xffff,
942 	    "Async-%s - hdl=%x.\n",
943 	    sp->name, sp->handle);
944 
945 	rval = qla2x00_start_sp(sp);
946 	if (rval != QLA_SUCCESS) {
947 		ql_dbg(ql_dbg_disc, vha, 0x2043,
948 		    "RFT_ID issue IOCB failed (%d).\n", rval);
949 		goto done_free_sp;
950 	}
951 
952 	return rval;
953 
954 done_free_sp:
955 	/* ref: INIT */
956 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
957 done:
958 	return rval;
959 }
960 
961 /**
962  * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
963  * @vha: HA context
964  * @cmd: GS command
965  * @scmd_len: Subcommand length
966  * @data_size: response size in bytes
967  *
968  * Returns a pointer to the @ha's sns_cmd.
969  */
970 static inline struct sns_cmd_pkt *
971 qla2x00_prep_sns_cmd(scsi_qla_host_t *vha, uint16_t cmd, uint16_t scmd_len,
972     uint16_t data_size)
973 {
974 	uint16_t		wc;
975 	struct sns_cmd_pkt	*sns_cmd;
976 	struct qla_hw_data *ha = vha->hw;
977 
978 	sns_cmd = ha->sns_cmd;
979 	memset(sns_cmd, 0, sizeof(struct sns_cmd_pkt));
980 	wc = data_size / 2;			/* Size in 16bit words. */
981 	sns_cmd->p.cmd.buffer_length = cpu_to_le16(wc);
982 	put_unaligned_le64(ha->sns_cmd_dma, &sns_cmd->p.cmd.buffer_address);
983 	sns_cmd->p.cmd.subcommand_length = cpu_to_le16(scmd_len);
984 	sns_cmd->p.cmd.subcommand = cpu_to_le16(cmd);
985 	wc = (data_size - 16) / 4;		/* Size in 32bit words. */
986 	sns_cmd->p.cmd.size = cpu_to_le16(wc);
987 
988 	vha->qla_stats.control_requests++;
989 
990 	return (sns_cmd);
991 }
992 
993 /**
994  * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
995  * @vha: HA context
996  * @fcport: fcport entry to updated
997  *
998  * This command uses the old Exectute SNS Command mailbox routine.
999  *
1000  * Returns 0 on success.
1001  */
1002 static int
1003 qla2x00_sns_ga_nxt(scsi_qla_host_t *vha, fc_port_t *fcport)
1004 {
1005 	int		rval = QLA_SUCCESS;
1006 	struct qla_hw_data *ha = vha->hw;
1007 	struct sns_cmd_pkt	*sns_cmd;
1008 
1009 	/* Issue GA_NXT. */
1010 	/* Prepare SNS command request. */
1011 	sns_cmd = qla2x00_prep_sns_cmd(vha, GA_NXT_CMD, GA_NXT_SNS_SCMD_LEN,
1012 	    GA_NXT_SNS_DATA_SIZE);
1013 
1014 	/* Prepare SNS command arguments -- port_id. */
1015 	sns_cmd->p.cmd.param[0] = fcport->d_id.b.al_pa;
1016 	sns_cmd->p.cmd.param[1] = fcport->d_id.b.area;
1017 	sns_cmd->p.cmd.param[2] = fcport->d_id.b.domain;
1018 
1019 	/* Execute SNS command. */
1020 	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, GA_NXT_SNS_CMD_SIZE / 2,
1021 	    sizeof(struct sns_cmd_pkt));
1022 	if (rval != QLA_SUCCESS) {
1023 		/*EMPTY*/
1024 		ql_dbg(ql_dbg_disc, vha, 0x205f,
1025 		    "GA_NXT Send SNS failed (%d).\n", rval);
1026 	} else if (sns_cmd->p.gan_data[8] != 0x80 ||
1027 	    sns_cmd->p.gan_data[9] != 0x02) {
1028 		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2084,
1029 		    "GA_NXT failed, rejected request ga_nxt_rsp:\n");
1030 		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2074,
1031 		    sns_cmd->p.gan_data, 16);
1032 		rval = QLA_FUNCTION_FAILED;
1033 	} else {
1034 		/* Populate fc_port_t entry. */
1035 		fcport->d_id.b.domain = sns_cmd->p.gan_data[17];
1036 		fcport->d_id.b.area = sns_cmd->p.gan_data[18];
1037 		fcport->d_id.b.al_pa = sns_cmd->p.gan_data[19];
1038 
1039 		memcpy(fcport->node_name, &sns_cmd->p.gan_data[284], WWN_SIZE);
1040 		memcpy(fcport->port_name, &sns_cmd->p.gan_data[20], WWN_SIZE);
1041 
1042 		if (sns_cmd->p.gan_data[16] != NS_N_PORT_TYPE &&
1043 		    sns_cmd->p.gan_data[16] != NS_NL_PORT_TYPE)
1044 			fcport->d_id.b.domain = 0xf0;
1045 
1046 		ql_dbg(ql_dbg_disc, vha, 0x2061,
1047 		    "GA_NXT entry - nn %8phN pn %8phN "
1048 		    "port_id=%02x%02x%02x.\n",
1049 		    fcport->node_name, fcport->port_name,
1050 		    fcport->d_id.b.domain, fcport->d_id.b.area,
1051 		    fcport->d_id.b.al_pa);
1052 	}
1053 
1054 	return (rval);
1055 }
1056 
1057 /**
1058  * qla2x00_sns_gid_pt() - SNS scan for fabric devices via GID_PT command.
1059  * @vha: HA context
1060  * @list: switch info entries to populate
1061  *
1062  * This command uses the old Exectute SNS Command mailbox routine.
1063  *
1064  * NOTE: Non-Nx_Ports are not requested.
1065  *
1066  * Returns 0 on success.
1067  */
1068 static int
1069 qla2x00_sns_gid_pt(scsi_qla_host_t *vha, sw_info_t *list)
1070 {
1071 	int		rval;
1072 	struct qla_hw_data *ha = vha->hw;
1073 	uint16_t	i;
1074 	uint8_t		*entry;
1075 	struct sns_cmd_pkt	*sns_cmd;
1076 	uint16_t gid_pt_sns_data_size;
1077 
1078 	gid_pt_sns_data_size = qla2x00_gid_pt_rsp_size(vha);
1079 
1080 	/* Issue GID_PT. */
1081 	/* Prepare SNS command request. */
1082 	sns_cmd = qla2x00_prep_sns_cmd(vha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN,
1083 	    gid_pt_sns_data_size);
1084 
1085 	/* Prepare SNS command arguments -- port_type. */
1086 	sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE;
1087 
1088 	/* Execute SNS command. */
1089 	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, GID_PT_SNS_CMD_SIZE / 2,
1090 	    sizeof(struct sns_cmd_pkt));
1091 	if (rval != QLA_SUCCESS) {
1092 		/*EMPTY*/
1093 		ql_dbg(ql_dbg_disc, vha, 0x206d,
1094 		    "GID_PT Send SNS failed (%d).\n", rval);
1095 	} else if (sns_cmd->p.gid_data[8] != 0x80 ||
1096 	    sns_cmd->p.gid_data[9] != 0x02) {
1097 		ql_dbg(ql_dbg_disc, vha, 0x202f,
1098 		    "GID_PT failed, rejected request, gid_rsp:\n");
1099 		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2081,
1100 		    sns_cmd->p.gid_data, 16);
1101 		rval = QLA_FUNCTION_FAILED;
1102 	} else {
1103 		/* Set port IDs in switch info list. */
1104 		for (i = 0; i < ha->max_fibre_devices; i++) {
1105 			entry = &sns_cmd->p.gid_data[(i * 4) + 16];
1106 			list[i].d_id.b.domain = entry[1];
1107 			list[i].d_id.b.area = entry[2];
1108 			list[i].d_id.b.al_pa = entry[3];
1109 
1110 			/* Last one exit. */
1111 			if (entry[0] & BIT_7) {
1112 				list[i].d_id.b.rsvd_1 = entry[0];
1113 				break;
1114 			}
1115 		}
1116 
1117 		/*
1118 		 * If we've used all available slots, then the switch is
1119 		 * reporting back more devices that we can handle with this
1120 		 * single call.  Return a failed status, and let GA_NXT handle
1121 		 * the overload.
1122 		 */
1123 		if (i == ha->max_fibre_devices)
1124 			rval = QLA_FUNCTION_FAILED;
1125 	}
1126 
1127 	return (rval);
1128 }
1129 
1130 /**
1131  * qla2x00_sns_gpn_id() - SNS Get Port Name (GPN_ID) query.
1132  * @vha: HA context
1133  * @list: switch info entries to populate
1134  *
1135  * This command uses the old Exectute SNS Command mailbox routine.
1136  *
1137  * Returns 0 on success.
1138  */
1139 static int
1140 qla2x00_sns_gpn_id(scsi_qla_host_t *vha, sw_info_t *list)
1141 {
1142 	int		rval = QLA_SUCCESS;
1143 	struct qla_hw_data *ha = vha->hw;
1144 	uint16_t	i;
1145 	struct sns_cmd_pkt	*sns_cmd;
1146 
1147 	for (i = 0; i < ha->max_fibre_devices; i++) {
1148 		/* Issue GPN_ID */
1149 		/* Prepare SNS command request. */
1150 		sns_cmd = qla2x00_prep_sns_cmd(vha, GPN_ID_CMD,
1151 		    GPN_ID_SNS_SCMD_LEN, GPN_ID_SNS_DATA_SIZE);
1152 
1153 		/* Prepare SNS command arguments -- port_id. */
1154 		sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
1155 		sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
1156 		sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
1157 
1158 		/* Execute SNS command. */
1159 		rval = qla2x00_send_sns(vha, ha->sns_cmd_dma,
1160 		    GPN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
1161 		if (rval != QLA_SUCCESS) {
1162 			/*EMPTY*/
1163 			ql_dbg(ql_dbg_disc, vha, 0x2032,
1164 			    "GPN_ID Send SNS failed (%d).\n", rval);
1165 		} else if (sns_cmd->p.gpn_data[8] != 0x80 ||
1166 		    sns_cmd->p.gpn_data[9] != 0x02) {
1167 			ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x207e,
1168 			    "GPN_ID failed, rejected request, gpn_rsp:\n");
1169 			ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x207f,
1170 			    sns_cmd->p.gpn_data, 16);
1171 			rval = QLA_FUNCTION_FAILED;
1172 		} else {
1173 			/* Save portname */
1174 			memcpy(list[i].port_name, &sns_cmd->p.gpn_data[16],
1175 			    WWN_SIZE);
1176 		}
1177 
1178 		/* Last device exit. */
1179 		if (list[i].d_id.b.rsvd_1 != 0)
1180 			break;
1181 	}
1182 
1183 	return (rval);
1184 }
1185 
1186 /**
1187  * qla2x00_sns_gnn_id() - SNS Get Node Name (GNN_ID) query.
1188  * @vha: HA context
1189  * @list: switch info entries to populate
1190  *
1191  * This command uses the old Exectute SNS Command mailbox routine.
1192  *
1193  * Returns 0 on success.
1194  */
1195 static int
1196 qla2x00_sns_gnn_id(scsi_qla_host_t *vha, sw_info_t *list)
1197 {
1198 	int		rval = QLA_SUCCESS;
1199 	struct qla_hw_data *ha = vha->hw;
1200 	uint16_t	i;
1201 	struct sns_cmd_pkt	*sns_cmd;
1202 
1203 	for (i = 0; i < ha->max_fibre_devices; i++) {
1204 		/* Issue GNN_ID */
1205 		/* Prepare SNS command request. */
1206 		sns_cmd = qla2x00_prep_sns_cmd(vha, GNN_ID_CMD,
1207 		    GNN_ID_SNS_SCMD_LEN, GNN_ID_SNS_DATA_SIZE);
1208 
1209 		/* Prepare SNS command arguments -- port_id. */
1210 		sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
1211 		sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
1212 		sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
1213 
1214 		/* Execute SNS command. */
1215 		rval = qla2x00_send_sns(vha, ha->sns_cmd_dma,
1216 		    GNN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
1217 		if (rval != QLA_SUCCESS) {
1218 			/*EMPTY*/
1219 			ql_dbg(ql_dbg_disc, vha, 0x203f,
1220 			    "GNN_ID Send SNS failed (%d).\n", rval);
1221 		} else if (sns_cmd->p.gnn_data[8] != 0x80 ||
1222 		    sns_cmd->p.gnn_data[9] != 0x02) {
1223 			ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2082,
1224 			    "GNN_ID failed, rejected request, gnn_rsp:\n");
1225 			ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x207a,
1226 			    sns_cmd->p.gnn_data, 16);
1227 			rval = QLA_FUNCTION_FAILED;
1228 		} else {
1229 			/* Save nodename */
1230 			memcpy(list[i].node_name, &sns_cmd->p.gnn_data[16],
1231 			    WWN_SIZE);
1232 
1233 			ql_dbg(ql_dbg_disc, vha, 0x206e,
1234 			    "GID_PT entry - nn %8phN pn %8phN "
1235 			    "port_id=%02x%02x%02x.\n",
1236 			    list[i].node_name, list[i].port_name,
1237 			    list[i].d_id.b.domain, list[i].d_id.b.area,
1238 			    list[i].d_id.b.al_pa);
1239 		}
1240 
1241 		/* Last device exit. */
1242 		if (list[i].d_id.b.rsvd_1 != 0)
1243 			break;
1244 	}
1245 
1246 	return (rval);
1247 }
1248 
1249 /**
1250  * qla2x00_sns_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
1251  * @vha: HA context
1252  *
1253  * This command uses the old Exectute SNS Command mailbox routine.
1254  *
1255  * Returns 0 on success.
1256  */
1257 static int
1258 qla2x00_sns_rft_id(scsi_qla_host_t *vha)
1259 {
1260 	int		rval;
1261 	struct qla_hw_data *ha = vha->hw;
1262 	struct sns_cmd_pkt	*sns_cmd;
1263 
1264 	/* Issue RFT_ID. */
1265 	/* Prepare SNS command request. */
1266 	sns_cmd = qla2x00_prep_sns_cmd(vha, RFT_ID_CMD, RFT_ID_SNS_SCMD_LEN,
1267 	    RFT_ID_SNS_DATA_SIZE);
1268 
1269 	/* Prepare SNS command arguments -- port_id, FC-4 types */
1270 	sns_cmd->p.cmd.param[0] = vha->d_id.b.al_pa;
1271 	sns_cmd->p.cmd.param[1] = vha->d_id.b.area;
1272 	sns_cmd->p.cmd.param[2] = vha->d_id.b.domain;
1273 
1274 	sns_cmd->p.cmd.param[5] = 0x01;			/* FCP-3 */
1275 
1276 	/* Execute SNS command. */
1277 	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, RFT_ID_SNS_CMD_SIZE / 2,
1278 	    sizeof(struct sns_cmd_pkt));
1279 	if (rval != QLA_SUCCESS) {
1280 		/*EMPTY*/
1281 		ql_dbg(ql_dbg_disc, vha, 0x2060,
1282 		    "RFT_ID Send SNS failed (%d).\n", rval);
1283 	} else if (sns_cmd->p.rft_data[8] != 0x80 ||
1284 	    sns_cmd->p.rft_data[9] != 0x02) {
1285 		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2083,
1286 		    "RFT_ID failed, rejected request rft_rsp:\n");
1287 		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2080,
1288 		    sns_cmd->p.rft_data, 16);
1289 		rval = QLA_FUNCTION_FAILED;
1290 	} else {
1291 		ql_dbg(ql_dbg_disc, vha, 0x2073,
1292 		    "RFT_ID exiting normally.\n");
1293 	}
1294 
1295 	return (rval);
1296 }
1297 
1298 /**
1299  * qla2x00_sns_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
1300  * @vha: HA context
1301  *
1302  * This command uses the old Exectute SNS Command mailbox routine.
1303  *
1304  * Returns 0 on success.
1305  */
1306 static int
1307 qla2x00_sns_rnn_id(scsi_qla_host_t *vha)
1308 {
1309 	int		rval;
1310 	struct qla_hw_data *ha = vha->hw;
1311 	struct sns_cmd_pkt	*sns_cmd;
1312 
1313 	/* Issue RNN_ID. */
1314 	/* Prepare SNS command request. */
1315 	sns_cmd = qla2x00_prep_sns_cmd(vha, RNN_ID_CMD, RNN_ID_SNS_SCMD_LEN,
1316 	    RNN_ID_SNS_DATA_SIZE);
1317 
1318 	/* Prepare SNS command arguments -- port_id, nodename. */
1319 	sns_cmd->p.cmd.param[0] = vha->d_id.b.al_pa;
1320 	sns_cmd->p.cmd.param[1] = vha->d_id.b.area;
1321 	sns_cmd->p.cmd.param[2] = vha->d_id.b.domain;
1322 
1323 	sns_cmd->p.cmd.param[4] = vha->node_name[7];
1324 	sns_cmd->p.cmd.param[5] = vha->node_name[6];
1325 	sns_cmd->p.cmd.param[6] = vha->node_name[5];
1326 	sns_cmd->p.cmd.param[7] = vha->node_name[4];
1327 	sns_cmd->p.cmd.param[8] = vha->node_name[3];
1328 	sns_cmd->p.cmd.param[9] = vha->node_name[2];
1329 	sns_cmd->p.cmd.param[10] = vha->node_name[1];
1330 	sns_cmd->p.cmd.param[11] = vha->node_name[0];
1331 
1332 	/* Execute SNS command. */
1333 	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, RNN_ID_SNS_CMD_SIZE / 2,
1334 	    sizeof(struct sns_cmd_pkt));
1335 	if (rval != QLA_SUCCESS) {
1336 		/*EMPTY*/
1337 		ql_dbg(ql_dbg_disc, vha, 0x204a,
1338 		    "RNN_ID Send SNS failed (%d).\n", rval);
1339 	} else if (sns_cmd->p.rnn_data[8] != 0x80 ||
1340 	    sns_cmd->p.rnn_data[9] != 0x02) {
1341 		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x207b,
1342 		    "RNN_ID failed, rejected request, rnn_rsp:\n");
1343 		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x207c,
1344 		    sns_cmd->p.rnn_data, 16);
1345 		rval = QLA_FUNCTION_FAILED;
1346 	} else {
1347 		ql_dbg(ql_dbg_disc, vha, 0x204c,
1348 		    "RNN_ID exiting normally.\n");
1349 	}
1350 
1351 	return (rval);
1352 }
1353 
1354 /**
1355  * qla2x00_mgmt_svr_login() - Login to fabric Management Service.
1356  * @vha: HA context
1357  *
1358  * Returns 0 on success.
1359  */
1360 int
1361 qla2x00_mgmt_svr_login(scsi_qla_host_t *vha)
1362 {
1363 	int ret, rval;
1364 	uint16_t mb[MAILBOX_REGISTER_COUNT];
1365 	struct qla_hw_data *ha = vha->hw;
1366 
1367 	ret = QLA_SUCCESS;
1368 	if (vha->flags.management_server_logged_in)
1369 		return ret;
1370 
1371 	rval = ha->isp_ops->fabric_login(vha, vha->mgmt_svr_loop_id, 0xff, 0xff,
1372 	    0xfa, mb, BIT_1);
1373 	if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
1374 		if (rval == QLA_MEMORY_ALLOC_FAILED)
1375 			ql_dbg(ql_dbg_disc, vha, 0x2085,
1376 			    "Failed management_server login: loopid=%x "
1377 			    "rval=%d\n", vha->mgmt_svr_loop_id, rval);
1378 		else
1379 			ql_dbg(ql_dbg_disc, vha, 0x2024,
1380 			    "Failed management_server login: loopid=%x "
1381 			    "mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x.\n",
1382 			    vha->mgmt_svr_loop_id, mb[0], mb[1], mb[2], mb[6],
1383 			    mb[7]);
1384 		ret = QLA_FUNCTION_FAILED;
1385 	} else
1386 		vha->flags.management_server_logged_in = 1;
1387 
1388 	return ret;
1389 }
1390 
1391 /**
1392  * qla2x00_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1393  * @vha: HA context
1394  * @req_size: request size in bytes
1395  * @rsp_size: response size in bytes
1396  *
1397  * Returns a pointer to the @ha's ms_iocb.
1398  */
1399 void *
1400 qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size,
1401     uint32_t rsp_size)
1402 {
1403 	ms_iocb_entry_t *ms_pkt;
1404 	struct qla_hw_data *ha = vha->hw;
1405 
1406 	ms_pkt = ha->ms_iocb;
1407 	memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
1408 
1409 	ms_pkt->entry_type = MS_IOCB_TYPE;
1410 	ms_pkt->entry_count = 1;
1411 	SET_TARGET_ID(ha, ms_pkt->loop_id, vha->mgmt_svr_loop_id);
1412 	ms_pkt->control_flags = cpu_to_le16(CF_READ | CF_HEAD_TAG);
1413 	ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1414 	ms_pkt->cmd_dsd_count = cpu_to_le16(1);
1415 	ms_pkt->total_dsd_count = cpu_to_le16(2);
1416 	ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
1417 	ms_pkt->req_bytecount = cpu_to_le32(req_size);
1418 
1419 	put_unaligned_le64(ha->ct_sns_dma, &ms_pkt->req_dsd.address);
1420 	ms_pkt->req_dsd.length = ms_pkt->req_bytecount;
1421 
1422 	put_unaligned_le64(ha->ct_sns_dma, &ms_pkt->rsp_dsd.address);
1423 	ms_pkt->rsp_dsd.length = ms_pkt->rsp_bytecount;
1424 
1425 	return ms_pkt;
1426 }
1427 
1428 /**
1429  * qla24xx_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1430  * @vha: HA context
1431  * @req_size: request size in bytes
1432  * @rsp_size: response size in bytes
1433  *
1434  * Returns a pointer to the @ha's ms_iocb.
1435  */
1436 void *
1437 qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size,
1438     uint32_t rsp_size)
1439 {
1440 	struct ct_entry_24xx *ct_pkt;
1441 	struct qla_hw_data *ha = vha->hw;
1442 
1443 	ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1444 	memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1445 
1446 	ct_pkt->entry_type = CT_IOCB_TYPE;
1447 	ct_pkt->entry_count = 1;
1448 	ct_pkt->nport_handle = cpu_to_le16(vha->mgmt_svr_loop_id);
1449 	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1450 	ct_pkt->cmd_dsd_count = cpu_to_le16(1);
1451 	ct_pkt->rsp_dsd_count = cpu_to_le16(1);
1452 	ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1453 	ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1454 
1455 	put_unaligned_le64(ha->ct_sns_dma, &ct_pkt->dsd[0].address);
1456 	ct_pkt->dsd[0].length = ct_pkt->cmd_byte_count;
1457 
1458 	put_unaligned_le64(ha->ct_sns_dma, &ct_pkt->dsd[1].address);
1459 	ct_pkt->dsd[1].length = ct_pkt->rsp_byte_count;
1460 	ct_pkt->vp_index = vha->vp_idx;
1461 
1462 	return ct_pkt;
1463 }
1464 
1465 static void
1466 qla2x00_update_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size)
1467 {
1468 	struct qla_hw_data *ha = vha->hw;
1469 	ms_iocb_entry_t *ms_pkt = ha->ms_iocb;
1470 	struct ct_entry_24xx *ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1471 
1472 	if (IS_FWI2_CAPABLE(ha)) {
1473 		ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1474 		ct_pkt->dsd[0].length = ct_pkt->cmd_byte_count;
1475 	} else {
1476 		ms_pkt->req_bytecount = cpu_to_le32(req_size);
1477 		ms_pkt->req_dsd.length = ms_pkt->req_bytecount;
1478 	}
1479 }
1480 
1481 /**
1482  * qla2x00_prep_ct_fdmi_req() - Prepare common CT request fields for SNS query.
1483  * @p: CT request buffer
1484  * @cmd: GS command
1485  * @rsp_size: response size in bytes
1486  *
1487  * Returns a pointer to the intitialized @ct_req.
1488  */
1489 static inline struct ct_sns_req *
1490 qla2x00_prep_ct_fdmi_req(struct ct_sns_pkt *p, uint16_t cmd,
1491     uint16_t rsp_size)
1492 {
1493 	memset(p, 0, sizeof(struct ct_sns_pkt));
1494 
1495 	p->p.req.header.revision = 0x01;
1496 	p->p.req.header.gs_type = 0xFA;
1497 	p->p.req.header.gs_subtype = 0x10;
1498 	p->p.req.command = cpu_to_be16(cmd);
1499 	p->p.req.max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1500 
1501 	return &p->p.req;
1502 }
1503 
1504 uint
1505 qla25xx_fdmi_port_speed_capability(struct qla_hw_data *ha)
1506 {
1507 	uint speeds = 0;
1508 
1509 	if (IS_CNA_CAPABLE(ha))
1510 		return FDMI_PORT_SPEED_10GB;
1511 	if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
1512 		if (ha->max_supported_speed == 2) {
1513 			if (ha->min_supported_speed <= 6)
1514 				speeds |= FDMI_PORT_SPEED_64GB;
1515 		}
1516 		if (ha->max_supported_speed == 2 ||
1517 		    ha->max_supported_speed == 1) {
1518 			if (ha->min_supported_speed <= 5)
1519 				speeds |= FDMI_PORT_SPEED_32GB;
1520 		}
1521 		if (ha->max_supported_speed == 2 ||
1522 		    ha->max_supported_speed == 1 ||
1523 		    ha->max_supported_speed == 0) {
1524 			if (ha->min_supported_speed <= 4)
1525 				speeds |= FDMI_PORT_SPEED_16GB;
1526 		}
1527 		if (ha->max_supported_speed == 1 ||
1528 		    ha->max_supported_speed == 0) {
1529 			if (ha->min_supported_speed <= 3)
1530 				speeds |= FDMI_PORT_SPEED_8GB;
1531 		}
1532 		if (ha->max_supported_speed == 0) {
1533 			if (ha->min_supported_speed <= 2)
1534 				speeds |= FDMI_PORT_SPEED_4GB;
1535 		}
1536 		return speeds;
1537 	}
1538 	if (IS_QLA2031(ha)) {
1539 		if ((ha->pdev->subsystem_vendor == 0x103C) &&
1540 		    ((ha->pdev->subsystem_device == 0x8002) ||
1541 		    (ha->pdev->subsystem_device == 0x8086))) {
1542 			speeds = FDMI_PORT_SPEED_16GB;
1543 		} else {
1544 			speeds = FDMI_PORT_SPEED_16GB|FDMI_PORT_SPEED_8GB|
1545 				FDMI_PORT_SPEED_4GB;
1546 		}
1547 		return speeds;
1548 	}
1549 	if (IS_QLA25XX(ha) || IS_QLAFX00(ha))
1550 		return FDMI_PORT_SPEED_8GB|FDMI_PORT_SPEED_4GB|
1551 			FDMI_PORT_SPEED_2GB|FDMI_PORT_SPEED_1GB;
1552 	if (IS_QLA24XX_TYPE(ha))
1553 		return FDMI_PORT_SPEED_4GB|FDMI_PORT_SPEED_2GB|
1554 			FDMI_PORT_SPEED_1GB;
1555 	if (IS_QLA23XX(ha))
1556 		return FDMI_PORT_SPEED_2GB|FDMI_PORT_SPEED_1GB;
1557 	return FDMI_PORT_SPEED_1GB;
1558 }
1559 
1560 uint
1561 qla25xx_fdmi_port_speed_currently(struct qla_hw_data *ha)
1562 {
1563 	switch (ha->link_data_rate) {
1564 	case PORT_SPEED_1GB:
1565 		return FDMI_PORT_SPEED_1GB;
1566 	case PORT_SPEED_2GB:
1567 		return FDMI_PORT_SPEED_2GB;
1568 	case PORT_SPEED_4GB:
1569 		return FDMI_PORT_SPEED_4GB;
1570 	case PORT_SPEED_8GB:
1571 		return FDMI_PORT_SPEED_8GB;
1572 	case PORT_SPEED_10GB:
1573 		return FDMI_PORT_SPEED_10GB;
1574 	case PORT_SPEED_16GB:
1575 		return FDMI_PORT_SPEED_16GB;
1576 	case PORT_SPEED_32GB:
1577 		return FDMI_PORT_SPEED_32GB;
1578 	case PORT_SPEED_64GB:
1579 		return FDMI_PORT_SPEED_64GB;
1580 	default:
1581 		return FDMI_PORT_SPEED_UNKNOWN;
1582 	}
1583 }
1584 
1585 /**
1586  * qla2x00_hba_attributes() - perform HBA attributes registration
1587  * @vha: HA context
1588  * @entries: number of entries to use
1589  * @callopt: Option to issue extended or standard FDMI
1590  *           command parameter
1591  *
1592  * Returns 0 on success.
1593  */
1594 static unsigned long
1595 qla2x00_hba_attributes(scsi_qla_host_t *vha, void *entries,
1596 	unsigned int callopt)
1597 {
1598 	struct qla_hw_data *ha = vha->hw;
1599 	struct init_cb_24xx *icb24 = (void *)ha->init_cb;
1600 	struct new_utsname *p_sysid = utsname();
1601 	struct ct_fdmi_hba_attr *eiter;
1602 	uint16_t alen;
1603 	unsigned long size = 0;
1604 
1605 	/* Nodename. */
1606 	eiter = entries + size;
1607 	eiter->type = cpu_to_be16(FDMI_HBA_NODE_NAME);
1608 	memcpy(eiter->a.node_name, vha->node_name, sizeof(eiter->a.node_name));
1609 	alen = sizeof(eiter->a.node_name);
1610 	alen += FDMI_ATTR_TYPELEN(eiter);
1611 	eiter->len = cpu_to_be16(alen);
1612 	size += alen;
1613 	ql_dbg(ql_dbg_disc, vha, 0x20a0,
1614 	    "NODENAME = %016llx.\n", wwn_to_u64(eiter->a.node_name));
1615 	/* Manufacturer. */
1616 	eiter = entries + size;
1617 	eiter->type = cpu_to_be16(FDMI_HBA_MANUFACTURER);
1618 	alen = scnprintf(
1619 		eiter->a.manufacturer, sizeof(eiter->a.manufacturer),
1620 		"%s", "QLogic Corporation");
1621 	alen += FDMI_ATTR_ALIGNMENT(alen);
1622 	alen += FDMI_ATTR_TYPELEN(eiter);
1623 	eiter->len = cpu_to_be16(alen);
1624 	size += alen;
1625 	ql_dbg(ql_dbg_disc, vha, 0x20a1,
1626 	    "MANUFACTURER = %s.\n", eiter->a.manufacturer);
1627 	/* Serial number. */
1628 	eiter = entries + size;
1629 	eiter->type = cpu_to_be16(FDMI_HBA_SERIAL_NUMBER);
1630 	alen = 0;
1631 	if (IS_FWI2_CAPABLE(ha)) {
1632 		alen = qla2xxx_get_vpd_field(vha, "SN",
1633 		    eiter->a.serial_num, sizeof(eiter->a.serial_num));
1634 	}
1635 	if (!alen) {
1636 		uint32_t sn = ((ha->serial0 & 0x1f) << 16) |
1637 			(ha->serial2 << 8) | ha->serial1;
1638 		alen = scnprintf(
1639 			eiter->a.serial_num, sizeof(eiter->a.serial_num),
1640 			"%c%05d", 'A' + sn / 100000, sn % 100000);
1641 	}
1642 	alen += FDMI_ATTR_ALIGNMENT(alen);
1643 	alen += FDMI_ATTR_TYPELEN(eiter);
1644 	eiter->len = cpu_to_be16(alen);
1645 	size += alen;
1646 	ql_dbg(ql_dbg_disc, vha, 0x20a2,
1647 	    "SERIAL NUMBER = %s.\n", eiter->a.serial_num);
1648 	/* Model name. */
1649 	eiter = entries + size;
1650 	eiter->type = cpu_to_be16(FDMI_HBA_MODEL);
1651 	alen = scnprintf(
1652 		eiter->a.model, sizeof(eiter->a.model),
1653 		"%s", ha->model_number);
1654 	alen += FDMI_ATTR_ALIGNMENT(alen);
1655 	alen += FDMI_ATTR_TYPELEN(eiter);
1656 	eiter->len = cpu_to_be16(alen);
1657 	size += alen;
1658 	ql_dbg(ql_dbg_disc, vha, 0x20a3,
1659 	    "MODEL NAME = %s.\n", eiter->a.model);
1660 	/* Model description. */
1661 	eiter = entries + size;
1662 	eiter->type = cpu_to_be16(FDMI_HBA_MODEL_DESCRIPTION);
1663 	alen = scnprintf(
1664 		eiter->a.model_desc, sizeof(eiter->a.model_desc),
1665 		"%s", ha->model_desc);
1666 	alen += FDMI_ATTR_ALIGNMENT(alen);
1667 	alen += FDMI_ATTR_TYPELEN(eiter);
1668 	eiter->len = cpu_to_be16(alen);
1669 	size += alen;
1670 	ql_dbg(ql_dbg_disc, vha, 0x20a4,
1671 	    "MODEL DESCRIPTION = %s.\n", eiter->a.model_desc);
1672 	/* Hardware version. */
1673 	eiter = entries + size;
1674 	eiter->type = cpu_to_be16(FDMI_HBA_HARDWARE_VERSION);
1675 	alen = 0;
1676 	if (IS_FWI2_CAPABLE(ha)) {
1677 		if (!alen) {
1678 			alen = qla2xxx_get_vpd_field(vha, "MN",
1679 			    eiter->a.hw_version, sizeof(eiter->a.hw_version));
1680 		}
1681 		if (!alen) {
1682 			alen = qla2xxx_get_vpd_field(vha, "EC",
1683 			    eiter->a.hw_version, sizeof(eiter->a.hw_version));
1684 		}
1685 	}
1686 	if (!alen) {
1687 		alen = scnprintf(
1688 			eiter->a.hw_version, sizeof(eiter->a.hw_version),
1689 			"HW:%s", ha->adapter_id);
1690 	}
1691 	alen += FDMI_ATTR_ALIGNMENT(alen);
1692 	alen += FDMI_ATTR_TYPELEN(eiter);
1693 	eiter->len = cpu_to_be16(alen);
1694 	size += alen;
1695 	ql_dbg(ql_dbg_disc, vha, 0x20a5,
1696 	    "HARDWARE VERSION = %s.\n", eiter->a.hw_version);
1697 	/* Driver version. */
1698 	eiter = entries + size;
1699 	eiter->type = cpu_to_be16(FDMI_HBA_DRIVER_VERSION);
1700 	alen = scnprintf(
1701 		eiter->a.driver_version, sizeof(eiter->a.driver_version),
1702 		"%s", qla2x00_version_str);
1703 	alen += FDMI_ATTR_ALIGNMENT(alen);
1704 	alen += FDMI_ATTR_TYPELEN(eiter);
1705 	eiter->len = cpu_to_be16(alen);
1706 	size += alen;
1707 	ql_dbg(ql_dbg_disc, vha, 0x20a6,
1708 	    "DRIVER VERSION = %s.\n", eiter->a.driver_version);
1709 	/* Option ROM version. */
1710 	eiter = entries + size;
1711 	eiter->type = cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
1712 	alen = scnprintf(
1713 		eiter->a.orom_version, sizeof(eiter->a.orom_version),
1714 		"%d.%02d", ha->bios_revision[1], ha->bios_revision[0]);
1715 	alen += FDMI_ATTR_ALIGNMENT(alen);
1716 	alen += FDMI_ATTR_TYPELEN(eiter);
1717 	eiter->len = cpu_to_be16(alen);
1718 	size += alen;
1719 
1720 	ql_dbg(ql_dbg_disc, vha, 0x20a7,
1721 	    "OPTROM VERSION = %d.%02d.\n",
1722 	    eiter->a.orom_version[1], eiter->a.orom_version[0]);
1723 	/* Firmware version */
1724 	eiter = entries + size;
1725 	eiter->type = cpu_to_be16(FDMI_HBA_FIRMWARE_VERSION);
1726 	ha->isp_ops->fw_version_str(vha, eiter->a.fw_version,
1727 	    sizeof(eiter->a.fw_version));
1728 	alen += FDMI_ATTR_ALIGNMENT(alen);
1729 	alen += FDMI_ATTR_TYPELEN(eiter);
1730 	eiter->len = cpu_to_be16(alen);
1731 	size += alen;
1732 	ql_dbg(ql_dbg_disc, vha, 0x20a8,
1733 	    "FIRMWARE VERSION = %s.\n", eiter->a.fw_version);
1734 	/* OS Name and Version */
1735 	eiter = entries + size;
1736 	eiter->type = cpu_to_be16(FDMI_HBA_OS_NAME_AND_VERSION);
1737 	alen = 0;
1738 	if (p_sysid) {
1739 		alen = scnprintf(
1740 			eiter->a.os_version, sizeof(eiter->a.os_version),
1741 			"%s %s %s",
1742 			p_sysid->sysname, p_sysid->release, p_sysid->machine);
1743 	}
1744 	if (!alen) {
1745 		alen = scnprintf(
1746 			eiter->a.os_version, sizeof(eiter->a.os_version),
1747 			"%s %s",
1748 			"Linux", fc_host_system_hostname(vha->host));
1749 	}
1750 	alen += FDMI_ATTR_ALIGNMENT(alen);
1751 	alen += FDMI_ATTR_TYPELEN(eiter);
1752 	eiter->len = cpu_to_be16(alen);
1753 	size += alen;
1754 	ql_dbg(ql_dbg_disc, vha, 0x20a9,
1755 	    "OS VERSION = %s.\n", eiter->a.os_version);
1756 	if (callopt == CALLOPT_FDMI1)
1757 		goto done;
1758 	/* MAX CT Payload Length */
1759 	eiter = entries + size;
1760 	eiter->type = cpu_to_be16(FDMI_HBA_MAXIMUM_CT_PAYLOAD_LENGTH);
1761 	eiter->a.max_ct_len = cpu_to_be32(le16_to_cpu(IS_FWI2_CAPABLE(ha) ?
1762 		icb24->frame_payload_size : ha->init_cb->frame_payload_size));
1763 	alen = sizeof(eiter->a.max_ct_len);
1764 	alen += FDMI_ATTR_TYPELEN(eiter);
1765 	eiter->len = cpu_to_be16(alen);
1766 	size += alen;
1767 	ql_dbg(ql_dbg_disc, vha, 0x20aa,
1768 	    "CT PAYLOAD LENGTH = 0x%x.\n", be32_to_cpu(eiter->a.max_ct_len));
1769 	/* Node Symbolic Name */
1770 	eiter = entries + size;
1771 	eiter->type = cpu_to_be16(FDMI_HBA_NODE_SYMBOLIC_NAME);
1772 	alen = qla2x00_get_sym_node_name(vha, eiter->a.sym_name,
1773 	    sizeof(eiter->a.sym_name));
1774 	alen += FDMI_ATTR_ALIGNMENT(alen);
1775 	alen += FDMI_ATTR_TYPELEN(eiter);
1776 	eiter->len = cpu_to_be16(alen);
1777 	size += alen;
1778 	ql_dbg(ql_dbg_disc, vha, 0x20ab,
1779 	    "SYMBOLIC NAME = %s.\n", eiter->a.sym_name);
1780 	/* Vendor Specific information */
1781 	eiter = entries + size;
1782 	eiter->type = cpu_to_be16(FDMI_HBA_VENDOR_SPECIFIC_INFO);
1783 	eiter->a.vendor_specific_info = cpu_to_be32(PCI_VENDOR_ID_QLOGIC);
1784 	alen = sizeof(eiter->a.vendor_specific_info);
1785 	alen += FDMI_ATTR_TYPELEN(eiter);
1786 	eiter->len = cpu_to_be16(alen);
1787 	size += alen;
1788 	ql_dbg(ql_dbg_disc, vha, 0x20ac,
1789 	    "VENDOR SPECIFIC INFO = 0x%x.\n",
1790 	    be32_to_cpu(eiter->a.vendor_specific_info));
1791 	/* Num Ports */
1792 	eiter = entries + size;
1793 	eiter->type = cpu_to_be16(FDMI_HBA_NUM_PORTS);
1794 	eiter->a.num_ports = cpu_to_be32(1);
1795 	alen = sizeof(eiter->a.num_ports);
1796 	alen += FDMI_ATTR_TYPELEN(eiter);
1797 	eiter->len = cpu_to_be16(alen);
1798 	size += alen;
1799 	ql_dbg(ql_dbg_disc, vha, 0x20ad,
1800 	    "PORT COUNT = %x.\n", be32_to_cpu(eiter->a.num_ports));
1801 	/* Fabric Name */
1802 	eiter = entries + size;
1803 	eiter->type = cpu_to_be16(FDMI_HBA_FABRIC_NAME);
1804 	memcpy(eiter->a.fabric_name, vha->fabric_node_name,
1805 	    sizeof(eiter->a.fabric_name));
1806 	alen = sizeof(eiter->a.fabric_name);
1807 	alen += FDMI_ATTR_TYPELEN(eiter);
1808 	eiter->len = cpu_to_be16(alen);
1809 	size += alen;
1810 	ql_dbg(ql_dbg_disc, vha, 0x20ae,
1811 	    "FABRIC NAME = %016llx.\n", wwn_to_u64(eiter->a.fabric_name));
1812 	/* BIOS Version */
1813 	eiter = entries + size;
1814 	eiter->type = cpu_to_be16(FDMI_HBA_BOOT_BIOS_NAME);
1815 	alen = scnprintf(
1816 		eiter->a.bios_name, sizeof(eiter->a.bios_name),
1817 		"BIOS %d.%02d", ha->bios_revision[1], ha->bios_revision[0]);
1818 	alen += FDMI_ATTR_ALIGNMENT(alen);
1819 	alen += FDMI_ATTR_TYPELEN(eiter);
1820 	eiter->len = cpu_to_be16(alen);
1821 	size += alen;
1822 	ql_dbg(ql_dbg_disc, vha, 0x20af,
1823 	    "BIOS NAME = %s\n", eiter->a.bios_name);
1824 	/* Vendor Identifier */
1825 	eiter = entries + size;
1826 	eiter->type = cpu_to_be16(FDMI_HBA_VENDOR_IDENTIFIER);
1827 	alen = scnprintf(
1828 		eiter->a.vendor_identifier, sizeof(eiter->a.vendor_identifier),
1829 		"%s", "QLGC");
1830 	alen += FDMI_ATTR_ALIGNMENT(alen);
1831 	alen += FDMI_ATTR_TYPELEN(eiter);
1832 	eiter->len = cpu_to_be16(alen);
1833 	size += alen;
1834 	ql_dbg(ql_dbg_disc, vha, 0x20b0,
1835 	    "VENDOR IDENTIFIER = %s.\n", eiter->a.vendor_identifier);
1836 done:
1837 	return size;
1838 }
1839 
1840 /**
1841  * qla2x00_port_attributes() - perform Port attributes registration
1842  * @vha: HA context
1843  * @entries: number of entries to use
1844  * @callopt: Option to issue extended or standard FDMI
1845  *           command parameter
1846  *
1847  * Returns 0 on success.
1848  */
1849 static unsigned long
1850 qla2x00_port_attributes(scsi_qla_host_t *vha, void *entries,
1851 	unsigned int callopt)
1852 {
1853 	struct qla_hw_data *ha = vha->hw;
1854 	struct init_cb_24xx *icb24 = (void *)ha->init_cb;
1855 	struct new_utsname *p_sysid = utsname();
1856 	char *hostname = p_sysid ?
1857 		p_sysid->nodename : fc_host_system_hostname(vha->host);
1858 	struct ct_fdmi_port_attr *eiter;
1859 	uint16_t alen;
1860 	unsigned long size = 0;
1861 
1862 	/* FC4 types. */
1863 	eiter = entries + size;
1864 	eiter->type = cpu_to_be16(FDMI_PORT_FC4_TYPES);
1865 	eiter->a.fc4_types[0] = 0x00;
1866 	eiter->a.fc4_types[1] = 0x00;
1867 	eiter->a.fc4_types[2] = 0x01;
1868 	eiter->a.fc4_types[3] = 0x00;
1869 	alen = sizeof(eiter->a.fc4_types);
1870 	alen += FDMI_ATTR_TYPELEN(eiter);
1871 	eiter->len = cpu_to_be16(alen);
1872 	size += alen;
1873 	ql_dbg(ql_dbg_disc, vha, 0x20c0,
1874 	    "FC4 TYPES = %016llx.\n", *(uint64_t *)eiter->a.fc4_types);
1875 	if (vha->flags.nvme_enabled) {
1876 		eiter->a.fc4_types[6] = 1;      /* NVMe type 28h */
1877 		ql_dbg(ql_dbg_disc, vha, 0x211f,
1878 		    "NVME FC4 Type = %02x 0x0 0x0 0x0 0x0 0x0.\n",
1879 		    eiter->a.fc4_types[6]);
1880 	}
1881 	/* Supported speed. */
1882 	eiter = entries + size;
1883 	eiter->type = cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
1884 	eiter->a.sup_speed = cpu_to_be32(
1885 		qla25xx_fdmi_port_speed_capability(ha));
1886 	alen = sizeof(eiter->a.sup_speed);
1887 	alen += FDMI_ATTR_TYPELEN(eiter);
1888 	eiter->len = cpu_to_be16(alen);
1889 	size += alen;
1890 	ql_dbg(ql_dbg_disc, vha, 0x20c1,
1891 	    "SUPPORTED SPEED = %x.\n", be32_to_cpu(eiter->a.sup_speed));
1892 	/* Current speed. */
1893 	eiter = entries + size;
1894 	eiter->type = cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
1895 	eiter->a.cur_speed = cpu_to_be32(
1896 		qla25xx_fdmi_port_speed_currently(ha));
1897 	alen = sizeof(eiter->a.cur_speed);
1898 	alen += FDMI_ATTR_TYPELEN(eiter);
1899 	eiter->len = cpu_to_be16(alen);
1900 	size += alen;
1901 	ql_dbg(ql_dbg_disc, vha, 0x20c2,
1902 	    "CURRENT SPEED = %x.\n", be32_to_cpu(eiter->a.cur_speed));
1903 	/* Max frame size. */
1904 	eiter = entries + size;
1905 	eiter->type = cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
1906 	eiter->a.max_frame_size = cpu_to_be32(le16_to_cpu(IS_FWI2_CAPABLE(ha) ?
1907 		icb24->frame_payload_size : ha->init_cb->frame_payload_size));
1908 	alen = sizeof(eiter->a.max_frame_size);
1909 	alen += FDMI_ATTR_TYPELEN(eiter);
1910 	eiter->len = cpu_to_be16(alen);
1911 	size += alen;
1912 	ql_dbg(ql_dbg_disc, vha, 0x20c3,
1913 	    "MAX FRAME SIZE = %x.\n", be32_to_cpu(eiter->a.max_frame_size));
1914 	/* OS device name. */
1915 	eiter = entries + size;
1916 	eiter->type = cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
1917 	alen = scnprintf(
1918 		eiter->a.os_dev_name, sizeof(eiter->a.os_dev_name),
1919 		"%s:host%lu", QLA2XXX_DRIVER_NAME, vha->host_no);
1920 	alen += FDMI_ATTR_ALIGNMENT(alen);
1921 	alen += FDMI_ATTR_TYPELEN(eiter);
1922 	eiter->len = cpu_to_be16(alen);
1923 	size += alen;
1924 	ql_dbg(ql_dbg_disc, vha, 0x20c4,
1925 	    "OS DEVICE NAME = %s.\n", eiter->a.os_dev_name);
1926 	/* Hostname. */
1927 	eiter = entries + size;
1928 	eiter->type = cpu_to_be16(FDMI_PORT_HOST_NAME);
1929 	if (!*hostname || !strncmp(hostname, "(none)", 6))
1930 		hostname = "Linux-default";
1931 	alen = scnprintf(
1932 		eiter->a.host_name, sizeof(eiter->a.host_name),
1933 		"%s", hostname);
1934 	alen += FDMI_ATTR_ALIGNMENT(alen);
1935 	alen += FDMI_ATTR_TYPELEN(eiter);
1936 	eiter->len = cpu_to_be16(alen);
1937 	size += alen;
1938 	ql_dbg(ql_dbg_disc, vha, 0x20c5,
1939 	    "HOSTNAME = %s.\n", eiter->a.host_name);
1940 
1941 	if (callopt == CALLOPT_FDMI1)
1942 		goto done;
1943 
1944 	/* Node Name */
1945 	eiter = entries + size;
1946 	eiter->type = cpu_to_be16(FDMI_PORT_NODE_NAME);
1947 	memcpy(eiter->a.node_name, vha->node_name, sizeof(eiter->a.node_name));
1948 	alen = sizeof(eiter->a.node_name);
1949 	alen += FDMI_ATTR_TYPELEN(eiter);
1950 	eiter->len = cpu_to_be16(alen);
1951 	size += alen;
1952 	ql_dbg(ql_dbg_disc, vha, 0x20c6,
1953 	    "NODENAME = %016llx.\n", wwn_to_u64(eiter->a.node_name));
1954 
1955 	/* Port Name */
1956 	eiter = entries + size;
1957 	eiter->type = cpu_to_be16(FDMI_PORT_NAME);
1958 	memcpy(eiter->a.port_name, vha->port_name, sizeof(eiter->a.port_name));
1959 	alen = sizeof(eiter->a.port_name);
1960 	alen += FDMI_ATTR_TYPELEN(eiter);
1961 	eiter->len = cpu_to_be16(alen);
1962 	size += alen;
1963 	ql_dbg(ql_dbg_disc, vha, 0x20c7,
1964 	    "PORTNAME = %016llx.\n", wwn_to_u64(eiter->a.port_name));
1965 
1966 	/* Port Symbolic Name */
1967 	eiter = entries + size;
1968 	eiter->type = cpu_to_be16(FDMI_PORT_SYM_NAME);
1969 	alen = qla2x00_get_sym_node_name(vha, eiter->a.port_sym_name,
1970 	    sizeof(eiter->a.port_sym_name));
1971 	alen += FDMI_ATTR_ALIGNMENT(alen);
1972 	alen += FDMI_ATTR_TYPELEN(eiter);
1973 	eiter->len = cpu_to_be16(alen);
1974 	size += alen;
1975 	ql_dbg(ql_dbg_disc, vha, 0x20c8,
1976 	    "PORT SYMBOLIC NAME = %s\n", eiter->a.port_sym_name);
1977 
1978 	/* Port Type */
1979 	eiter = entries + size;
1980 	eiter->type = cpu_to_be16(FDMI_PORT_TYPE);
1981 	eiter->a.port_type = cpu_to_be32(NS_NX_PORT_TYPE);
1982 	alen = sizeof(eiter->a.port_type);
1983 	alen += FDMI_ATTR_TYPELEN(eiter);
1984 	eiter->len = cpu_to_be16(alen);
1985 	size += alen;
1986 	ql_dbg(ql_dbg_disc, vha, 0x20c9,
1987 	    "PORT TYPE = %x.\n", be32_to_cpu(eiter->a.port_type));
1988 
1989 	/* Supported Class of Service */
1990 	eiter = entries + size;
1991 	eiter->type = cpu_to_be16(FDMI_PORT_SUPP_COS);
1992 	eiter->a.port_supported_cos = cpu_to_be32(FC_CLASS_3);
1993 	alen = sizeof(eiter->a.port_supported_cos);
1994 	alen += FDMI_ATTR_TYPELEN(eiter);
1995 	eiter->len = cpu_to_be16(alen);
1996 	size += alen;
1997 	ql_dbg(ql_dbg_disc, vha, 0x20ca,
1998 	    "SUPPORTED COS = %08x\n", be32_to_cpu(eiter->a.port_supported_cos));
1999 
2000 	/* Port Fabric Name */
2001 	eiter = entries + size;
2002 	eiter->type = cpu_to_be16(FDMI_PORT_FABRIC_NAME);
2003 	memcpy(eiter->a.fabric_name, vha->fabric_node_name,
2004 	    sizeof(eiter->a.fabric_name));
2005 	alen = sizeof(eiter->a.fabric_name);
2006 	alen += FDMI_ATTR_TYPELEN(eiter);
2007 	eiter->len = cpu_to_be16(alen);
2008 	size += alen;
2009 	ql_dbg(ql_dbg_disc, vha, 0x20cb,
2010 	    "FABRIC NAME = %016llx.\n", wwn_to_u64(eiter->a.fabric_name));
2011 
2012 	/* FC4_type */
2013 	eiter = entries + size;
2014 	eiter->type = cpu_to_be16(FDMI_PORT_FC4_TYPE);
2015 	eiter->a.port_fc4_type[0] = 0x00;
2016 	eiter->a.port_fc4_type[1] = 0x00;
2017 	eiter->a.port_fc4_type[2] = 0x01;
2018 	eiter->a.port_fc4_type[3] = 0x00;
2019 	alen = sizeof(eiter->a.port_fc4_type);
2020 	alen += FDMI_ATTR_TYPELEN(eiter);
2021 	eiter->len = cpu_to_be16(alen);
2022 	size += alen;
2023 	ql_dbg(ql_dbg_disc, vha, 0x20cc,
2024 	    "PORT ACTIVE FC4 TYPE = %016llx.\n",
2025 	    *(uint64_t *)eiter->a.port_fc4_type);
2026 
2027 	/* Port State */
2028 	eiter = entries + size;
2029 	eiter->type = cpu_to_be16(FDMI_PORT_STATE);
2030 	eiter->a.port_state = cpu_to_be32(2);
2031 	alen = sizeof(eiter->a.port_state);
2032 	alen += FDMI_ATTR_TYPELEN(eiter);
2033 	eiter->len = cpu_to_be16(alen);
2034 	size += alen;
2035 	ql_dbg(ql_dbg_disc, vha, 0x20cd,
2036 	    "PORT_STATE = %x.\n", be32_to_cpu(eiter->a.port_state));
2037 
2038 	/* Number of Ports */
2039 	eiter = entries + size;
2040 	eiter->type = cpu_to_be16(FDMI_PORT_COUNT);
2041 	eiter->a.num_ports = cpu_to_be32(1);
2042 	alen = sizeof(eiter->a.num_ports);
2043 	alen += FDMI_ATTR_TYPELEN(eiter);
2044 	eiter->len = cpu_to_be16(alen);
2045 	size += alen;
2046 	ql_dbg(ql_dbg_disc, vha, 0x20ce,
2047 	    "PORT COUNT = %x.\n", be32_to_cpu(eiter->a.num_ports));
2048 
2049 	/* Port Identifier */
2050 	eiter = entries + size;
2051 	eiter->type = cpu_to_be16(FDMI_PORT_IDENTIFIER);
2052 	eiter->a.port_id = cpu_to_be32(vha->d_id.b24);
2053 	alen = sizeof(eiter->a.port_id);
2054 	alen += FDMI_ATTR_TYPELEN(eiter);
2055 	eiter->len = cpu_to_be16(alen);
2056 	size += alen;
2057 	ql_dbg(ql_dbg_disc, vha, 0x20cf,
2058 	    "PORT ID = %x.\n", be32_to_cpu(eiter->a.port_id));
2059 
2060 	if (callopt == CALLOPT_FDMI2 || !ql2xsmartsan)
2061 		goto done;
2062 
2063 	/* Smart SAN Service Category (Populate Smart SAN Initiator)*/
2064 	eiter = entries + size;
2065 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_SERVICE);
2066 	alen = scnprintf(
2067 		eiter->a.smartsan_service, sizeof(eiter->a.smartsan_service),
2068 		"%s", "Smart SAN Initiator");
2069 	alen += FDMI_ATTR_ALIGNMENT(alen);
2070 	alen += FDMI_ATTR_TYPELEN(eiter);
2071 	eiter->len = cpu_to_be16(alen);
2072 	size += alen;
2073 	ql_dbg(ql_dbg_disc, vha, 0x20d0,
2074 	    "SMARTSAN SERVICE CATEGORY = %s.\n", eiter->a.smartsan_service);
2075 
2076 	/* Smart SAN GUID (NWWN+PWWN) */
2077 	eiter = entries + size;
2078 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_GUID);
2079 	memcpy(eiter->a.smartsan_guid, vha->node_name, WWN_SIZE);
2080 	memcpy(eiter->a.smartsan_guid + WWN_SIZE, vha->port_name, WWN_SIZE);
2081 	alen = sizeof(eiter->a.smartsan_guid);
2082 	alen += FDMI_ATTR_TYPELEN(eiter);
2083 	eiter->len = cpu_to_be16(alen);
2084 	size += alen;
2085 	ql_dbg(ql_dbg_disc, vha, 0x20d1,
2086 	    "Smart SAN GUID = %016llx-%016llx\n",
2087 	    wwn_to_u64(eiter->a.smartsan_guid),
2088 	    wwn_to_u64(eiter->a.smartsan_guid + WWN_SIZE));
2089 
2090 	/* Smart SAN Version (populate "Smart SAN Version 1.0") */
2091 	eiter = entries + size;
2092 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_VERSION);
2093 	alen = scnprintf(
2094 		eiter->a.smartsan_version, sizeof(eiter->a.smartsan_version),
2095 		"%s", "Smart SAN Version 2.0");
2096 	alen += FDMI_ATTR_ALIGNMENT(alen);
2097 	alen += FDMI_ATTR_TYPELEN(eiter);
2098 	eiter->len = cpu_to_be16(alen);
2099 	size += alen;
2100 	ql_dbg(ql_dbg_disc, vha, 0x20d2,
2101 	    "SMARTSAN VERSION = %s\n", eiter->a.smartsan_version);
2102 
2103 	/* Smart SAN Product Name (Specify Adapter Model No) */
2104 	eiter = entries + size;
2105 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_PROD_NAME);
2106 	alen = scnprintf(eiter->a.smartsan_prod_name,
2107 		sizeof(eiter->a.smartsan_prod_name),
2108 		"ISP%04x", ha->pdev->device);
2109 	alen += FDMI_ATTR_ALIGNMENT(alen);
2110 	alen += FDMI_ATTR_TYPELEN(eiter);
2111 	eiter->len = cpu_to_be16(alen);
2112 	size += alen;
2113 	ql_dbg(ql_dbg_disc, vha, 0x20d3,
2114 	    "SMARTSAN PRODUCT NAME = %s\n", eiter->a.smartsan_prod_name);
2115 
2116 	/* Smart SAN Port Info (specify: 1=Physical, 2=NPIV, 3=SRIOV) */
2117 	eiter = entries + size;
2118 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_PORT_INFO);
2119 	eiter->a.smartsan_port_info = cpu_to_be32(vha->vp_idx ? 2 : 1);
2120 	alen = sizeof(eiter->a.smartsan_port_info);
2121 	alen += FDMI_ATTR_TYPELEN(eiter);
2122 	eiter->len = cpu_to_be16(alen);
2123 	size += alen;
2124 	ql_dbg(ql_dbg_disc, vha, 0x20d4,
2125 	    "SMARTSAN PORT INFO = %x\n", eiter->a.smartsan_port_info);
2126 
2127 	/* Smart SAN Security Support */
2128 	eiter = entries + size;
2129 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_SECURITY_SUPPORT);
2130 	eiter->a.smartsan_security_support = cpu_to_be32(1);
2131 	alen = sizeof(eiter->a.smartsan_security_support);
2132 	alen += FDMI_ATTR_TYPELEN(eiter);
2133 	eiter->len = cpu_to_be16(alen);
2134 	size += alen;
2135 	ql_dbg(ql_dbg_disc, vha, 0x20d6,
2136 	    "SMARTSAN SECURITY SUPPORT = %d\n",
2137 	    be32_to_cpu(eiter->a.smartsan_security_support));
2138 
2139 done:
2140 	return size;
2141 }
2142 
2143 /**
2144  * qla2x00_fdmi_rhba() - perform RHBA FDMI registration
2145  * @vha: HA context
2146  * @callopt: Option to issue FDMI registration
2147  *
2148  * Returns 0 on success.
2149  */
2150 static int
2151 qla2x00_fdmi_rhba(scsi_qla_host_t *vha, unsigned int callopt)
2152 {
2153 	struct qla_hw_data *ha = vha->hw;
2154 	unsigned long size = 0;
2155 	unsigned int rval, count;
2156 	ms_iocb_entry_t *ms_pkt;
2157 	struct ct_sns_req *ct_req;
2158 	struct ct_sns_rsp *ct_rsp;
2159 	void *entries;
2160 
2161 	count = callopt != CALLOPT_FDMI1 ?
2162 	    FDMI2_HBA_ATTR_COUNT : FDMI1_HBA_ATTR_COUNT;
2163 
2164 	size = RHBA_RSP_SIZE;
2165 
2166 	ql_dbg(ql_dbg_disc, vha, 0x20e0,
2167 	    "RHBA (callopt=%x count=%u size=%lu).\n", callopt, count, size);
2168 
2169 	/*   Request size adjusted after CT preparation */
2170 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, size);
2171 
2172 	/* Prepare CT request */
2173 	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RHBA_CMD, size);
2174 	ct_rsp = &ha->ct_sns->p.rsp;
2175 
2176 	/* Prepare FDMI command entries */
2177 	memcpy(ct_req->req.rhba.hba_identifier, vha->port_name,
2178 	    sizeof(ct_req->req.rhba.hba_identifier));
2179 	size += sizeof(ct_req->req.rhba.hba_identifier);
2180 
2181 	ct_req->req.rhba.entry_count = cpu_to_be32(1);
2182 	size += sizeof(ct_req->req.rhba.entry_count);
2183 
2184 	memcpy(ct_req->req.rhba.port_name, vha->port_name,
2185 	    sizeof(ct_req->req.rhba.port_name));
2186 	size += sizeof(ct_req->req.rhba.port_name);
2187 
2188 	/* Attribute count */
2189 	ct_req->req.rhba.attrs.count = cpu_to_be32(count);
2190 	size += sizeof(ct_req->req.rhba.attrs.count);
2191 
2192 	/* Attribute block */
2193 	entries = &ct_req->req.rhba.attrs.entry;
2194 
2195 	size += qla2x00_hba_attributes(vha, entries, callopt);
2196 
2197 	/* Update MS request size. */
2198 	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
2199 
2200 	ql_dbg(ql_dbg_disc, vha, 0x20e1,
2201 	    "RHBA %016llx %016llx.\n",
2202 	    wwn_to_u64(ct_req->req.rhba.hba_identifier),
2203 	    wwn_to_u64(ct_req->req.rhba.port_name));
2204 
2205 	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x20e2,
2206 	    entries, size);
2207 
2208 	/* Execute MS IOCB */
2209 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2210 	    sizeof(*ha->ms_iocb));
2211 	if (rval) {
2212 		ql_dbg(ql_dbg_disc, vha, 0x20e3,
2213 		    "RHBA iocb failed (%d).\n", rval);
2214 		return rval;
2215 	}
2216 
2217 	rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RHBA");
2218 	if (rval) {
2219 		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
2220 		    ct_rsp->header.explanation_code ==
2221 		    CT_EXPL_ALREADY_REGISTERED) {
2222 			ql_dbg(ql_dbg_disc, vha, 0x20e4,
2223 			    "RHBA already registered.\n");
2224 			return QLA_ALREADY_REGISTERED;
2225 		}
2226 
2227 		ql_dbg(ql_dbg_disc, vha, 0x20e5,
2228 		    "RHBA failed, CT Reason %#x, CT Explanation %#x\n",
2229 		    ct_rsp->header.reason_code,
2230 		    ct_rsp->header.explanation_code);
2231 		return rval;
2232 	}
2233 
2234 	ql_dbg(ql_dbg_disc, vha, 0x20e6, "RHBA exiting normally.\n");
2235 	return rval;
2236 }
2237 
2238 
2239 static int
2240 qla2x00_fdmi_dhba(scsi_qla_host_t *vha)
2241 {
2242 	int rval;
2243 	struct qla_hw_data *ha = vha->hw;
2244 	ms_iocb_entry_t *ms_pkt;
2245 	struct ct_sns_req *ct_req;
2246 	struct ct_sns_rsp *ct_rsp;
2247 	/* Issue RPA */
2248 	/* Prepare common MS IOCB */
2249 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, DHBA_REQ_SIZE,
2250 	    DHBA_RSP_SIZE);
2251 	/* Prepare CT request */
2252 	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, DHBA_CMD, DHBA_RSP_SIZE);
2253 	ct_rsp = &ha->ct_sns->p.rsp;
2254 	/* Prepare FDMI command arguments -- portname. */
2255 	memcpy(ct_req->req.dhba.port_name, vha->port_name, WWN_SIZE);
2256 	ql_dbg(ql_dbg_disc, vha, 0x2036,
2257 	    "DHBA portname = %8phN.\n", ct_req->req.dhba.port_name);
2258 	/* Execute MS IOCB */
2259 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2260 	    sizeof(ms_iocb_entry_t));
2261 	if (rval != QLA_SUCCESS) {
2262 		/*EMPTY*/
2263 		ql_dbg(ql_dbg_disc, vha, 0x2037,
2264 		    "DHBA issue IOCB failed (%d).\n", rval);
2265 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "DHBA") !=
2266 	    QLA_SUCCESS) {
2267 		rval = QLA_FUNCTION_FAILED;
2268 	} else {
2269 		ql_dbg(ql_dbg_disc, vha, 0x2038,
2270 		    "DHBA exiting normally.\n");
2271 	}
2272 	return rval;
2273 }
2274 
2275 /**
2276  * qla2x00_fdmi_rprt() - perform RPRT registration
2277  * @vha: HA context
2278  * @callopt: Option to issue extended or standard FDMI
2279  *           command parameter
2280  *
2281  * Returns 0 on success.
2282  */
2283 static int
2284 qla2x00_fdmi_rprt(scsi_qla_host_t *vha, int callopt)
2285 {
2286 	struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
2287 	struct qla_hw_data *ha = vha->hw;
2288 	ulong size = 0;
2289 	uint rval, count;
2290 	ms_iocb_entry_t *ms_pkt;
2291 	struct ct_sns_req *ct_req;
2292 	struct ct_sns_rsp *ct_rsp;
2293 	void *entries;
2294 	count = callopt == CALLOPT_FDMI2_SMARTSAN && ql2xsmartsan ?
2295 		FDMI2_SMARTSAN_PORT_ATTR_COUNT :
2296 		callopt != CALLOPT_FDMI1 ?
2297 		FDMI2_PORT_ATTR_COUNT : FDMI1_PORT_ATTR_COUNT;
2298 
2299 	size = RPRT_RSP_SIZE;
2300 	ql_dbg(ql_dbg_disc, vha, 0x20e8,
2301 	    "RPRT (callopt=%x count=%u size=%lu).\n", callopt, count, size);
2302 	/* Request size adjusted after CT preparation */
2303 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, size);
2304 	/* Prepare CT request */
2305 	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RPRT_CMD, size);
2306 	ct_rsp = &ha->ct_sns->p.rsp;
2307 	/* Prepare FDMI command entries */
2308 	memcpy(ct_req->req.rprt.hba_identifier, base_vha->port_name,
2309 	    sizeof(ct_req->req.rprt.hba_identifier));
2310 	size += sizeof(ct_req->req.rprt.hba_identifier);
2311 	memcpy(ct_req->req.rprt.port_name, vha->port_name,
2312 	    sizeof(ct_req->req.rprt.port_name));
2313 	size += sizeof(ct_req->req.rprt.port_name);
2314 	/* Attribute count */
2315 	ct_req->req.rprt.attrs.count = cpu_to_be32(count);
2316 	size += sizeof(ct_req->req.rprt.attrs.count);
2317 	/* Attribute block */
2318 	entries = ct_req->req.rprt.attrs.entry;
2319 	size += qla2x00_port_attributes(vha, entries, callopt);
2320 	/* Update MS request size. */
2321 	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
2322 	ql_dbg(ql_dbg_disc, vha, 0x20e9,
2323 	    "RPRT %016llx  %016llx.\n",
2324 	    wwn_to_u64(ct_req->req.rprt.port_name),
2325 	    wwn_to_u64(ct_req->req.rprt.port_name));
2326 	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x20ea,
2327 	    entries, size);
2328 	/* Execute MS IOCB */
2329 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2330 	    sizeof(*ha->ms_iocb));
2331 	if (rval) {
2332 		ql_dbg(ql_dbg_disc, vha, 0x20eb,
2333 		    "RPRT iocb failed (%d).\n", rval);
2334 		return rval;
2335 	}
2336 	rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RPRT");
2337 	if (rval) {
2338 		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
2339 		    ct_rsp->header.explanation_code ==
2340 		    CT_EXPL_ALREADY_REGISTERED) {
2341 			ql_dbg(ql_dbg_disc, vha, 0x20ec,
2342 			    "RPRT already registered.\n");
2343 			return QLA_ALREADY_REGISTERED;
2344 		}
2345 
2346 		ql_dbg(ql_dbg_disc, vha, 0x20ed,
2347 		    "RPRT failed, CT Reason code: %#x, CT Explanation %#x\n",
2348 		    ct_rsp->header.reason_code,
2349 		    ct_rsp->header.explanation_code);
2350 		return rval;
2351 	}
2352 	ql_dbg(ql_dbg_disc, vha, 0x20ee, "RPRT exiting normally.\n");
2353 	return rval;
2354 }
2355 
2356 /**
2357  * qla2x00_fdmi_rpa() - perform RPA registration
2358  * @vha: HA context
2359  * @callopt: Option to issue FDMI registration
2360  *
2361  * Returns 0 on success.
2362  */
2363 static int
2364 qla2x00_fdmi_rpa(scsi_qla_host_t *vha, uint callopt)
2365 {
2366 	struct qla_hw_data *ha = vha->hw;
2367 	ulong size = 0;
2368 	uint rval, count;
2369 	ms_iocb_entry_t *ms_pkt;
2370 	struct ct_sns_req *ct_req;
2371 	struct ct_sns_rsp *ct_rsp;
2372 	void *entries;
2373 
2374 	count =
2375 	    callopt == CALLOPT_FDMI2_SMARTSAN && ql2xsmartsan ?
2376 		FDMI2_SMARTSAN_PORT_ATTR_COUNT :
2377 	    callopt != CALLOPT_FDMI1 ?
2378 		FDMI2_PORT_ATTR_COUNT : FDMI1_PORT_ATTR_COUNT;
2379 
2380 	size =
2381 	    callopt != CALLOPT_FDMI1 ?
2382 		SMARTSAN_RPA_RSP_SIZE : RPA_RSP_SIZE;
2383 
2384 	ql_dbg(ql_dbg_disc, vha, 0x20f0,
2385 	    "RPA (callopt=%x count=%u size=%lu).\n", callopt, count, size);
2386 
2387 	/* Request size adjusted after CT preparation */
2388 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, size);
2389 
2390 	/* Prepare CT request */
2391 	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RPA_CMD, size);
2392 	ct_rsp = &ha->ct_sns->p.rsp;
2393 
2394 	/* Prepare FDMI command entries. */
2395 	memcpy(ct_req->req.rpa.port_name, vha->port_name,
2396 	    sizeof(ct_req->req.rpa.port_name));
2397 	size += sizeof(ct_req->req.rpa.port_name);
2398 
2399 	/* Attribute count */
2400 	ct_req->req.rpa.attrs.count = cpu_to_be32(count);
2401 	size += sizeof(ct_req->req.rpa.attrs.count);
2402 
2403 	/* Attribute block */
2404 	entries = ct_req->req.rpa.attrs.entry;
2405 
2406 	size += qla2x00_port_attributes(vha, entries, callopt);
2407 
2408 	/* Update MS request size. */
2409 	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
2410 
2411 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
2412 	    "RPA %016llx.\n", wwn_to_u64(ct_req->req.rpa.port_name));
2413 
2414 	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x20f2,
2415 	    entries, size);
2416 
2417 	/* Execute MS IOCB */
2418 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2419 	    sizeof(*ha->ms_iocb));
2420 	if (rval) {
2421 		ql_dbg(ql_dbg_disc, vha, 0x20f3,
2422 		    "RPA iocb failed (%d).\n", rval);
2423 		return rval;
2424 	}
2425 
2426 	rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RPA");
2427 	if (rval) {
2428 		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
2429 		    ct_rsp->header.explanation_code ==
2430 		    CT_EXPL_ALREADY_REGISTERED) {
2431 			ql_dbg(ql_dbg_disc, vha, 0x20f4,
2432 			    "RPA already registered.\n");
2433 			return QLA_ALREADY_REGISTERED;
2434 		}
2435 
2436 		ql_dbg(ql_dbg_disc, vha, 0x20f5,
2437 		    "RPA failed, CT Reason code: %#x, CT Explanation %#x\n",
2438 		    ct_rsp->header.reason_code,
2439 		    ct_rsp->header.explanation_code);
2440 		return rval;
2441 	}
2442 
2443 	ql_dbg(ql_dbg_disc, vha, 0x20f6, "RPA exiting normally.\n");
2444 	return rval;
2445 }
2446 
2447 /**
2448  * qla2x00_fdmi_register() -
2449  * @vha: HA context
2450  *
2451  * Returns 0 on success.
2452  */
2453 int
2454 qla2x00_fdmi_register(scsi_qla_host_t *vha)
2455 {
2456 	int rval = QLA_SUCCESS;
2457 	struct qla_hw_data *ha = vha->hw;
2458 
2459 	if (IS_QLA2100(ha) || IS_QLA2200(ha) ||
2460 	    IS_QLAFX00(ha))
2461 		return rval;
2462 
2463 	rval = qla2x00_mgmt_svr_login(vha);
2464 	if (rval)
2465 		return rval;
2466 
2467 	/* For npiv/vport send rprt only */
2468 	if (vha->vp_idx) {
2469 		if (ql2xsmartsan)
2470 			rval = qla2x00_fdmi_rprt(vha, CALLOPT_FDMI2_SMARTSAN);
2471 		if (rval || !ql2xsmartsan)
2472 			rval = qla2x00_fdmi_rprt(vha, CALLOPT_FDMI2);
2473 		if (rval)
2474 			rval = qla2x00_fdmi_rprt(vha, CALLOPT_FDMI1);
2475 
2476 		return rval;
2477 	}
2478 
2479 	/* Try fdmi2 first, if fails then try fdmi1 */
2480 	rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI2);
2481 	if (rval) {
2482 		if (rval != QLA_ALREADY_REGISTERED)
2483 			goto try_fdmi;
2484 
2485 		rval = qla2x00_fdmi_dhba(vha);
2486 		if (rval)
2487 			goto try_fdmi;
2488 
2489 		rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI2);
2490 		if (rval)
2491 			goto try_fdmi;
2492 	}
2493 
2494 	if (ql2xsmartsan)
2495 		rval = qla2x00_fdmi_rpa(vha, CALLOPT_FDMI2_SMARTSAN);
2496 	if (rval || !ql2xsmartsan)
2497 		rval = qla2x00_fdmi_rpa(vha, CALLOPT_FDMI2);
2498 	if (rval)
2499 		goto try_fdmi;
2500 
2501 	return rval;
2502 
2503 try_fdmi:
2504 	rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI1);
2505 	if (rval) {
2506 		if (rval != QLA_ALREADY_REGISTERED)
2507 			return rval;
2508 
2509 		rval = qla2x00_fdmi_dhba(vha);
2510 		if (rval)
2511 			return rval;
2512 
2513 		rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI1);
2514 		if (rval)
2515 			return rval;
2516 	}
2517 
2518 	rval = qla2x00_fdmi_rpa(vha, CALLOPT_FDMI1);
2519 
2520 	return rval;
2521 }
2522 
2523 /**
2524  * qla2x00_gfpn_id() - SNS Get Fabric Port Name (GFPN_ID) query.
2525  * @vha: HA context
2526  * @list: switch info entries to populate
2527  *
2528  * Returns 0 on success.
2529  */
2530 int
2531 qla2x00_gfpn_id(scsi_qla_host_t *vha, sw_info_t *list)
2532 {
2533 	int		rval = QLA_SUCCESS;
2534 	uint16_t	i;
2535 	struct qla_hw_data *ha = vha->hw;
2536 	ms_iocb_entry_t	*ms_pkt;
2537 	struct ct_sns_req	*ct_req;
2538 	struct ct_sns_rsp	*ct_rsp;
2539 	struct ct_arg arg;
2540 
2541 	if (!IS_IIDMA_CAPABLE(ha))
2542 		return QLA_FUNCTION_FAILED;
2543 
2544 	arg.iocb = ha->ms_iocb;
2545 	arg.req_dma = ha->ct_sns_dma;
2546 	arg.rsp_dma = ha->ct_sns_dma;
2547 	arg.req_size = GFPN_ID_REQ_SIZE;
2548 	arg.rsp_size = GFPN_ID_RSP_SIZE;
2549 	arg.nport_handle = NPH_SNS;
2550 
2551 	for (i = 0; i < ha->max_fibre_devices; i++) {
2552 		/* Issue GFPN_ID */
2553 		/* Prepare common MS IOCB */
2554 		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
2555 
2556 		/* Prepare CT request */
2557 		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GFPN_ID_CMD,
2558 		    GFPN_ID_RSP_SIZE);
2559 		ct_rsp = &ha->ct_sns->p.rsp;
2560 
2561 		/* Prepare CT arguments -- port_id */
2562 		ct_req->req.port_id.port_id = port_id_to_be_id(list[i].d_id);
2563 
2564 		/* Execute MS IOCB */
2565 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2566 		    sizeof(ms_iocb_entry_t));
2567 		if (rval != QLA_SUCCESS) {
2568 			/*EMPTY*/
2569 			ql_dbg(ql_dbg_disc, vha, 0x2023,
2570 			    "GFPN_ID issue IOCB failed (%d).\n", rval);
2571 			break;
2572 		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
2573 		    "GFPN_ID") != QLA_SUCCESS) {
2574 			rval = QLA_FUNCTION_FAILED;
2575 			break;
2576 		} else {
2577 			/* Save fabric portname */
2578 			memcpy(list[i].fabric_port_name,
2579 			    ct_rsp->rsp.gfpn_id.port_name, WWN_SIZE);
2580 		}
2581 
2582 		/* Last device exit. */
2583 		if (list[i].d_id.b.rsvd_1 != 0)
2584 			break;
2585 	}
2586 
2587 	return (rval);
2588 }
2589 
2590 
2591 static inline struct ct_sns_req *
2592 qla24xx_prep_ct_fm_req(struct ct_sns_pkt *p, uint16_t cmd,
2593     uint16_t rsp_size)
2594 {
2595 	memset(p, 0, sizeof(struct ct_sns_pkt));
2596 
2597 	p->p.req.header.revision = 0x01;
2598 	p->p.req.header.gs_type = 0xFA;
2599 	p->p.req.header.gs_subtype = 0x01;
2600 	p->p.req.command = cpu_to_be16(cmd);
2601 	p->p.req.max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
2602 
2603 	return &p->p.req;
2604 }
2605 
2606 static uint16_t
2607 qla2x00_port_speed_capability(uint16_t speed)
2608 {
2609 	switch (speed) {
2610 	case BIT_15:
2611 		return PORT_SPEED_1GB;
2612 	case BIT_14:
2613 		return PORT_SPEED_2GB;
2614 	case BIT_13:
2615 		return PORT_SPEED_4GB;
2616 	case BIT_12:
2617 		return PORT_SPEED_10GB;
2618 	case BIT_11:
2619 		return PORT_SPEED_8GB;
2620 	case BIT_10:
2621 		return PORT_SPEED_16GB;
2622 	case BIT_8:
2623 		return PORT_SPEED_32GB;
2624 	case BIT_7:
2625 		return PORT_SPEED_64GB;
2626 	default:
2627 		return PORT_SPEED_UNKNOWN;
2628 	}
2629 }
2630 
2631 /**
2632  * qla2x00_gpsc() - FCS Get Port Speed Capabilities (GPSC) query.
2633  * @vha: HA context
2634  * @list: switch info entries to populate
2635  *
2636  * Returns 0 on success.
2637  */
2638 int
2639 qla2x00_gpsc(scsi_qla_host_t *vha, sw_info_t *list)
2640 {
2641 	int		rval;
2642 	uint16_t	i;
2643 	struct qla_hw_data *ha = vha->hw;
2644 	ms_iocb_entry_t *ms_pkt;
2645 	struct ct_sns_req	*ct_req;
2646 	struct ct_sns_rsp	*ct_rsp;
2647 	struct ct_arg arg;
2648 
2649 	if (!IS_IIDMA_CAPABLE(ha))
2650 		return QLA_FUNCTION_FAILED;
2651 	if (!ha->flags.gpsc_supported)
2652 		return QLA_FUNCTION_FAILED;
2653 
2654 	rval = qla2x00_mgmt_svr_login(vha);
2655 	if (rval)
2656 		return rval;
2657 
2658 	arg.iocb = ha->ms_iocb;
2659 	arg.req_dma = ha->ct_sns_dma;
2660 	arg.rsp_dma = ha->ct_sns_dma;
2661 	arg.req_size = GPSC_REQ_SIZE;
2662 	arg.rsp_size = GPSC_RSP_SIZE;
2663 	arg.nport_handle = vha->mgmt_svr_loop_id;
2664 
2665 	for (i = 0; i < ha->max_fibre_devices; i++) {
2666 		/* Issue GFPN_ID */
2667 		/* Prepare common MS IOCB */
2668 		ms_pkt = qla24xx_prep_ms_iocb(vha, &arg);
2669 
2670 		/* Prepare CT request */
2671 		ct_req = qla24xx_prep_ct_fm_req(ha->ct_sns, GPSC_CMD,
2672 		    GPSC_RSP_SIZE);
2673 		ct_rsp = &ha->ct_sns->p.rsp;
2674 
2675 		/* Prepare CT arguments -- port_name */
2676 		memcpy(ct_req->req.gpsc.port_name, list[i].fabric_port_name,
2677 		    WWN_SIZE);
2678 
2679 		/* Execute MS IOCB */
2680 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2681 		    sizeof(ms_iocb_entry_t));
2682 		if (rval != QLA_SUCCESS) {
2683 			/*EMPTY*/
2684 			ql_dbg(ql_dbg_disc, vha, 0x2059,
2685 			    "GPSC issue IOCB failed (%d).\n", rval);
2686 		} else if ((rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
2687 		    "GPSC")) != QLA_SUCCESS) {
2688 			/* FM command unsupported? */
2689 			if (rval == QLA_INVALID_COMMAND &&
2690 			    (ct_rsp->header.reason_code ==
2691 				CT_REASON_INVALID_COMMAND_CODE ||
2692 			     ct_rsp->header.reason_code ==
2693 				CT_REASON_COMMAND_UNSUPPORTED)) {
2694 				ql_dbg(ql_dbg_disc, vha, 0x205a,
2695 				    "GPSC command unsupported, disabling "
2696 				    "query.\n");
2697 				ha->flags.gpsc_supported = 0;
2698 				rval = QLA_FUNCTION_FAILED;
2699 				break;
2700 			}
2701 			rval = QLA_FUNCTION_FAILED;
2702 		} else {
2703 			list->fp_speed = qla2x00_port_speed_capability(
2704 			    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2705 			ql_dbg(ql_dbg_disc, vha, 0x205b,
2706 			    "GPSC ext entry - fpn "
2707 			    "%8phN speeds=%04x speed=%04x.\n",
2708 			    list[i].fabric_port_name,
2709 			    be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
2710 			    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2711 		}
2712 
2713 		/* Last device exit. */
2714 		if (list[i].d_id.b.rsvd_1 != 0)
2715 			break;
2716 	}
2717 
2718 	return (rval);
2719 }
2720 
2721 /**
2722  * qla2x00_gff_id() - SNS Get FC-4 Features (GFF_ID) query.
2723  *
2724  * @vha: HA context
2725  * @list: switch info entries to populate
2726  *
2727  */
2728 void
2729 qla2x00_gff_id(scsi_qla_host_t *vha, sw_info_t *list)
2730 {
2731 	int		rval;
2732 	uint16_t	i;
2733 
2734 	ms_iocb_entry_t	*ms_pkt;
2735 	struct ct_sns_req	*ct_req;
2736 	struct ct_sns_rsp	*ct_rsp;
2737 	struct qla_hw_data *ha = vha->hw;
2738 	uint8_t fcp_scsi_features = 0, nvme_features = 0;
2739 	struct ct_arg arg;
2740 
2741 	for (i = 0; i < ha->max_fibre_devices; i++) {
2742 		/* Set default FC4 Type as UNKNOWN so the default is to
2743 		 * Process this port */
2744 		list[i].fc4_type = 0;
2745 
2746 		/* Do not attempt GFF_ID if we are not FWI_2 capable */
2747 		if (!IS_FWI2_CAPABLE(ha))
2748 			continue;
2749 
2750 		arg.iocb = ha->ms_iocb;
2751 		arg.req_dma = ha->ct_sns_dma;
2752 		arg.rsp_dma = ha->ct_sns_dma;
2753 		arg.req_size = GFF_ID_REQ_SIZE;
2754 		arg.rsp_size = GFF_ID_RSP_SIZE;
2755 		arg.nport_handle = NPH_SNS;
2756 
2757 		/* Prepare common MS IOCB */
2758 		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
2759 
2760 		/* Prepare CT request */
2761 		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GFF_ID_CMD,
2762 		    GFF_ID_RSP_SIZE);
2763 		ct_rsp = &ha->ct_sns->p.rsp;
2764 
2765 		/* Prepare CT arguments -- port_id */
2766 		ct_req->req.port_id.port_id = port_id_to_be_id(list[i].d_id);
2767 
2768 		/* Execute MS IOCB */
2769 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2770 		   sizeof(ms_iocb_entry_t));
2771 
2772 		if (rval != QLA_SUCCESS) {
2773 			ql_dbg(ql_dbg_disc, vha, 0x205c,
2774 			    "GFF_ID issue IOCB failed (%d).\n", rval);
2775 		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
2776 			       "GFF_ID") != QLA_SUCCESS) {
2777 			ql_dbg(ql_dbg_disc, vha, 0x205d,
2778 			    "GFF_ID IOCB status had a failure status code.\n");
2779 		} else {
2780 			fcp_scsi_features =
2781 			   ct_rsp->rsp.gff_id.fc4_features[GFF_FCP_SCSI_OFFSET];
2782 			fcp_scsi_features &= 0x0f;
2783 
2784 			if (fcp_scsi_features) {
2785 				list[i].fc4_type = FS_FC4TYPE_FCP;
2786 				list[i].fc4_features = fcp_scsi_features;
2787 			}
2788 
2789 			nvme_features =
2790 			    ct_rsp->rsp.gff_id.fc4_features[GFF_NVME_OFFSET];
2791 			nvme_features &= 0xf;
2792 
2793 			if (nvme_features) {
2794 				list[i].fc4_type |= FS_FC4TYPE_NVME;
2795 				list[i].fc4_features = nvme_features;
2796 			}
2797 		}
2798 
2799 		/* Last device exit. */
2800 		if (list[i].d_id.b.rsvd_1 != 0)
2801 			break;
2802 	}
2803 }
2804 
2805 int qla24xx_post_gpsc_work(struct scsi_qla_host *vha, fc_port_t *fcport)
2806 {
2807 	struct qla_work_evt *e;
2808 
2809 	e = qla2x00_alloc_work(vha, QLA_EVT_GPSC);
2810 	if (!e)
2811 		return QLA_FUNCTION_FAILED;
2812 
2813 	e->u.fcport.fcport = fcport;
2814 	return qla2x00_post_work(vha, e);
2815 }
2816 
2817 void qla24xx_handle_gpsc_event(scsi_qla_host_t *vha, struct event_arg *ea)
2818 {
2819 	struct fc_port *fcport = ea->fcport;
2820 
2821 	ql_dbg(ql_dbg_disc, vha, 0x20d8,
2822 	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
2823 	    __func__, fcport->port_name, fcport->disc_state,
2824 	    fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
2825 	    ea->sp->gen2, fcport->rscn_gen|ea->sp->gen1, fcport->loop_id);
2826 
2827 	if (fcport->disc_state == DSC_DELETE_PEND)
2828 		return;
2829 
2830 	/* We will figure-out what happen after AUTH completes */
2831 	if (fcport->disc_state == DSC_LOGIN_AUTH_PEND)
2832 		return;
2833 
2834 	if (ea->sp->gen2 != fcport->login_gen) {
2835 		/* target side must have changed it. */
2836 		ql_dbg(ql_dbg_disc, vha, 0x20d3,
2837 		    "%s %8phC generation changed\n",
2838 		    __func__, fcport->port_name);
2839 		return;
2840 	} else if (ea->sp->gen1 != fcport->rscn_gen) {
2841 		return;
2842 	}
2843 
2844 	qla_post_iidma_work(vha, fcport);
2845 }
2846 
2847 static void qla24xx_async_gpsc_sp_done(srb_t *sp, int res)
2848 {
2849 	struct scsi_qla_host *vha = sp->vha;
2850 	struct qla_hw_data *ha = vha->hw;
2851 	fc_port_t *fcport = sp->fcport;
2852 	struct ct_sns_rsp       *ct_rsp;
2853 	struct event_arg ea;
2854 
2855 	ct_rsp = &fcport->ct_desc.ct_sns->p.rsp;
2856 
2857 	ql_dbg(ql_dbg_disc, vha, 0x2053,
2858 	    "Async done-%s res %x, WWPN %8phC \n",
2859 	    sp->name, res, fcport->port_name);
2860 
2861 	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
2862 
2863 	if (res == QLA_FUNCTION_TIMEOUT)
2864 		goto done;
2865 
2866 	if (res == (DID_ERROR << 16)) {
2867 		/* entry status error */
2868 		goto done;
2869 	} else if (res) {
2870 		if ((ct_rsp->header.reason_code ==
2871 			 CT_REASON_INVALID_COMMAND_CODE) ||
2872 			(ct_rsp->header.reason_code ==
2873 			CT_REASON_COMMAND_UNSUPPORTED)) {
2874 			ql_dbg(ql_dbg_disc, vha, 0x2019,
2875 			    "GPSC command unsupported, disabling query.\n");
2876 			ha->flags.gpsc_supported = 0;
2877 			goto done;
2878 		}
2879 	} else {
2880 		fcport->fp_speed = qla2x00_port_speed_capability(
2881 		    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2882 
2883 		ql_dbg(ql_dbg_disc, vha, 0x2054,
2884 		    "Async-%s OUT WWPN %8phC speeds=%04x speed=%04x.\n",
2885 		    sp->name, fcport->fabric_port_name,
2886 		    be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
2887 		    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2888 	}
2889 	memset(&ea, 0, sizeof(ea));
2890 	ea.rc = res;
2891 	ea.fcport = fcport;
2892 	ea.sp = sp;
2893 	qla24xx_handle_gpsc_event(vha, &ea);
2894 
2895 done:
2896 	/* ref: INIT */
2897 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
2898 }
2899 
2900 int qla24xx_async_gpsc(scsi_qla_host_t *vha, fc_port_t *fcport)
2901 {
2902 	int rval = QLA_FUNCTION_FAILED;
2903 	struct ct_sns_req       *ct_req;
2904 	srb_t *sp;
2905 
2906 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
2907 		return rval;
2908 
2909 	/* ref: INIT */
2910 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2911 	if (!sp)
2912 		goto done;
2913 
2914 	sp->type = SRB_CT_PTHRU_CMD;
2915 	sp->name = "gpsc";
2916 	sp->gen1 = fcport->rscn_gen;
2917 	sp->gen2 = fcport->login_gen;
2918 	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
2919 			      qla24xx_async_gpsc_sp_done);
2920 
2921 	/* CT_IU preamble  */
2922 	ct_req = qla24xx_prep_ct_fm_req(fcport->ct_desc.ct_sns, GPSC_CMD,
2923 		GPSC_RSP_SIZE);
2924 
2925 	/* GPSC req */
2926 	memcpy(ct_req->req.gpsc.port_name, fcport->fabric_port_name,
2927 		WWN_SIZE);
2928 
2929 	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
2930 	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
2931 	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
2932 	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
2933 	sp->u.iocb_cmd.u.ctarg.req_size = GPSC_REQ_SIZE;
2934 	sp->u.iocb_cmd.u.ctarg.rsp_size = GPSC_RSP_SIZE;
2935 	sp->u.iocb_cmd.u.ctarg.nport_handle = vha->mgmt_svr_loop_id;
2936 
2937 	ql_dbg(ql_dbg_disc, vha, 0x205e,
2938 	    "Async-%s %8phC hdl=%x loopid=%x portid=%02x%02x%02x.\n",
2939 	    sp->name, fcport->port_name, sp->handle,
2940 	    fcport->loop_id, fcport->d_id.b.domain,
2941 	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
2942 
2943 	rval = qla2x00_start_sp(sp);
2944 	if (rval != QLA_SUCCESS)
2945 		goto done_free_sp;
2946 	return rval;
2947 
2948 done_free_sp:
2949 	/* ref: INIT */
2950 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
2951 done:
2952 	return rval;
2953 }
2954 
2955 int qla24xx_post_gpnid_work(struct scsi_qla_host *vha, port_id_t *id)
2956 {
2957 	struct qla_work_evt *e;
2958 
2959 	if (test_bit(UNLOADING, &vha->dpc_flags) ||
2960 	    (vha->vp_idx && test_bit(VPORT_DELETE, &vha->dpc_flags)))
2961 		return 0;
2962 
2963 	e = qla2x00_alloc_work(vha, QLA_EVT_GPNID);
2964 	if (!e)
2965 		return QLA_FUNCTION_FAILED;
2966 
2967 	e->u.gpnid.id = *id;
2968 	return qla2x00_post_work(vha, e);
2969 }
2970 
2971 void qla24xx_sp_unmap(scsi_qla_host_t *vha, srb_t *sp)
2972 {
2973 	struct srb_iocb *c = &sp->u.iocb_cmd;
2974 
2975 	switch (sp->type) {
2976 	case SRB_ELS_DCMD:
2977 		qla2x00_els_dcmd2_free(vha, &c->u.els_plogi);
2978 		break;
2979 	case SRB_CT_PTHRU_CMD:
2980 	default:
2981 		if (sp->u.iocb_cmd.u.ctarg.req) {
2982 			dma_free_coherent(&vha->hw->pdev->dev,
2983 			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
2984 			    sp->u.iocb_cmd.u.ctarg.req,
2985 			    sp->u.iocb_cmd.u.ctarg.req_dma);
2986 			sp->u.iocb_cmd.u.ctarg.req = NULL;
2987 		}
2988 
2989 		if (sp->u.iocb_cmd.u.ctarg.rsp) {
2990 			dma_free_coherent(&vha->hw->pdev->dev,
2991 			    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
2992 			    sp->u.iocb_cmd.u.ctarg.rsp,
2993 			    sp->u.iocb_cmd.u.ctarg.rsp_dma);
2994 			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
2995 		}
2996 		break;
2997 	}
2998 
2999 	/* ref: INIT */
3000 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
3001 }
3002 
3003 void qla24xx_handle_gpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
3004 {
3005 	fc_port_t *fcport, *conflict, *t;
3006 	u16 data[2];
3007 
3008 	ql_dbg(ql_dbg_disc, vha, 0xffff,
3009 	    "%s %d port_id: %06x\n",
3010 	    __func__, __LINE__, ea->id.b24);
3011 
3012 	if (ea->rc) {
3013 		/* cable is disconnected */
3014 		list_for_each_entry_safe(fcport, t, &vha->vp_fcports, list) {
3015 			if (fcport->d_id.b24 == ea->id.b24)
3016 				fcport->scan_state = QLA_FCPORT_SCAN;
3017 
3018 			qlt_schedule_sess_for_deletion(fcport);
3019 		}
3020 	} else {
3021 		/* cable is connected */
3022 		fcport = qla2x00_find_fcport_by_wwpn(vha, ea->port_name, 1);
3023 		if (fcport) {
3024 			list_for_each_entry_safe(conflict, t, &vha->vp_fcports,
3025 			    list) {
3026 				if ((conflict->d_id.b24 == ea->id.b24) &&
3027 				    (fcport != conflict))
3028 					/*
3029 					 * 2 fcports with conflict Nport ID or
3030 					 * an existing fcport is having nport ID
3031 					 * conflict with new fcport.
3032 					 */
3033 
3034 					conflict->scan_state = QLA_FCPORT_SCAN;
3035 
3036 				qlt_schedule_sess_for_deletion(conflict);
3037 			}
3038 
3039 			fcport->scan_needed = 0;
3040 			fcport->rscn_gen++;
3041 			fcport->scan_state = QLA_FCPORT_FOUND;
3042 			fcport->flags |= FCF_FABRIC_DEVICE;
3043 			if (fcport->login_retry == 0) {
3044 				fcport->login_retry =
3045 					vha->hw->login_retry_count;
3046 				ql_dbg(ql_dbg_disc, vha, 0xffff,
3047 				    "Port login retry %8phN, lid 0x%04x cnt=%d.\n",
3048 				    fcport->port_name, fcport->loop_id,
3049 				    fcport->login_retry);
3050 			}
3051 			switch (fcport->disc_state) {
3052 			case DSC_LOGIN_COMPLETE:
3053 				/* recheck session is still intact. */
3054 				ql_dbg(ql_dbg_disc, vha, 0x210d,
3055 				    "%s %d %8phC revalidate session with ADISC\n",
3056 				    __func__, __LINE__, fcport->port_name);
3057 				data[0] = data[1] = 0;
3058 				qla2x00_post_async_adisc_work(vha, fcport,
3059 				    data);
3060 				break;
3061 			case DSC_DELETED:
3062 				ql_dbg(ql_dbg_disc, vha, 0x210d,
3063 				    "%s %d %8phC login\n", __func__, __LINE__,
3064 				    fcport->port_name);
3065 				fcport->d_id = ea->id;
3066 				qla24xx_fcport_handle_login(vha, fcport);
3067 				break;
3068 			case DSC_DELETE_PEND:
3069 				fcport->d_id = ea->id;
3070 				break;
3071 			default:
3072 				fcport->d_id = ea->id;
3073 				break;
3074 			}
3075 		} else {
3076 			list_for_each_entry_safe(conflict, t, &vha->vp_fcports,
3077 			    list) {
3078 				if (conflict->d_id.b24 == ea->id.b24) {
3079 					/* 2 fcports with conflict Nport ID or
3080 					 * an existing fcport is having nport ID
3081 					 * conflict with new fcport.
3082 					 */
3083 					ql_dbg(ql_dbg_disc, vha, 0xffff,
3084 					    "%s %d %8phC DS %d\n",
3085 					    __func__, __LINE__,
3086 					    conflict->port_name,
3087 					    conflict->disc_state);
3088 
3089 					conflict->scan_state = QLA_FCPORT_SCAN;
3090 					qlt_schedule_sess_for_deletion(conflict);
3091 				}
3092 			}
3093 
3094 			/* create new fcport */
3095 			ql_dbg(ql_dbg_disc, vha, 0x2065,
3096 			    "%s %d %8phC post new sess\n",
3097 			    __func__, __LINE__, ea->port_name);
3098 			qla24xx_post_newsess_work(vha, &ea->id,
3099 			    ea->port_name, NULL, NULL, 0);
3100 		}
3101 	}
3102 }
3103 
3104 static void qla2x00_async_gpnid_sp_done(srb_t *sp, int res)
3105 {
3106 	struct scsi_qla_host *vha = sp->vha;
3107 	struct ct_sns_req *ct_req =
3108 	    (struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
3109 	struct ct_sns_rsp *ct_rsp =
3110 	    (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp;
3111 	struct event_arg ea;
3112 	struct qla_work_evt *e;
3113 	unsigned long flags;
3114 
3115 	if (res)
3116 		ql_dbg(ql_dbg_disc, vha, 0x2066,
3117 		    "Async done-%s fail res %x rscn gen %d ID %3phC. %8phC\n",
3118 		    sp->name, res, sp->gen1, &ct_req->req.port_id.port_id,
3119 		    ct_rsp->rsp.gpn_id.port_name);
3120 	else
3121 		ql_dbg(ql_dbg_disc, vha, 0x2066,
3122 		    "Async done-%s good rscn gen %d ID %3phC. %8phC\n",
3123 		    sp->name, sp->gen1, &ct_req->req.port_id.port_id,
3124 		    ct_rsp->rsp.gpn_id.port_name);
3125 
3126 	memset(&ea, 0, sizeof(ea));
3127 	memcpy(ea.port_name, ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
3128 	ea.sp = sp;
3129 	ea.id = be_to_port_id(ct_req->req.port_id.port_id);
3130 	ea.rc = res;
3131 
3132 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
3133 	list_del(&sp->elem);
3134 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
3135 
3136 	if (res) {
3137 		if (res == QLA_FUNCTION_TIMEOUT) {
3138 			qla24xx_post_gpnid_work(sp->vha, &ea.id);
3139 			/* ref: INIT */
3140 			kref_put(&sp->cmd_kref, qla2x00_sp_release);
3141 			return;
3142 		}
3143 	} else if (sp->gen1) {
3144 		/* There was another RSCN for this Nport ID */
3145 		qla24xx_post_gpnid_work(sp->vha, &ea.id);
3146 		/* ref: INIT */
3147 		kref_put(&sp->cmd_kref, qla2x00_sp_release);
3148 		return;
3149 	}
3150 
3151 	qla24xx_handle_gpnid_event(vha, &ea);
3152 
3153 	e = qla2x00_alloc_work(vha, QLA_EVT_UNMAP);
3154 	if (!e) {
3155 		/* please ignore kernel warning. otherwise, we have mem leak. */
3156 		dma_free_coherent(&vha->hw->pdev->dev,
3157 				  sp->u.iocb_cmd.u.ctarg.req_allocated_size,
3158 				  sp->u.iocb_cmd.u.ctarg.req,
3159 				  sp->u.iocb_cmd.u.ctarg.req_dma);
3160 		sp->u.iocb_cmd.u.ctarg.req = NULL;
3161 
3162 		dma_free_coherent(&vha->hw->pdev->dev,
3163 				  sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
3164 				  sp->u.iocb_cmd.u.ctarg.rsp,
3165 				  sp->u.iocb_cmd.u.ctarg.rsp_dma);
3166 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
3167 
3168 		/* ref: INIT */
3169 		kref_put(&sp->cmd_kref, qla2x00_sp_release);
3170 		return;
3171 	}
3172 
3173 	e->u.iosb.sp = sp;
3174 	qla2x00_post_work(vha, e);
3175 }
3176 
3177 /* Get WWPN with Nport ID. */
3178 int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id)
3179 {
3180 	int rval = QLA_FUNCTION_FAILED;
3181 	struct ct_sns_req       *ct_req;
3182 	srb_t *sp, *tsp;
3183 	struct ct_sns_pkt *ct_sns;
3184 	unsigned long flags;
3185 
3186 	if (!vha->flags.online)
3187 		goto done;
3188 
3189 	/* ref: INIT */
3190 	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
3191 	if (!sp)
3192 		goto done;
3193 
3194 	sp->type = SRB_CT_PTHRU_CMD;
3195 	sp->name = "gpnid";
3196 	sp->u.iocb_cmd.u.ctarg.id = *id;
3197 	sp->gen1 = 0;
3198 	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
3199 			      qla2x00_async_gpnid_sp_done);
3200 
3201 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
3202 	list_for_each_entry(tsp, &vha->gpnid_list, elem) {
3203 		if (tsp->u.iocb_cmd.u.ctarg.id.b24 == id->b24) {
3204 			tsp->gen1++;
3205 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
3206 			/* ref: INIT */
3207 			kref_put(&sp->cmd_kref, qla2x00_sp_release);
3208 			goto done;
3209 		}
3210 	}
3211 	list_add_tail(&sp->elem, &vha->gpnid_list);
3212 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
3213 
3214 	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
3215 		sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
3216 		GFP_KERNEL);
3217 	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
3218 	if (!sp->u.iocb_cmd.u.ctarg.req) {
3219 		ql_log(ql_log_warn, vha, 0xd041,
3220 		    "Failed to allocate ct_sns request.\n");
3221 		goto done_free_sp;
3222 	}
3223 
3224 	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
3225 		sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
3226 		GFP_KERNEL);
3227 	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
3228 	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
3229 		ql_log(ql_log_warn, vha, 0xd042,
3230 		    "Failed to allocate ct_sns request.\n");
3231 		goto done_free_sp;
3232 	}
3233 
3234 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
3235 	memset(ct_sns, 0, sizeof(*ct_sns));
3236 
3237 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
3238 	/* CT_IU preamble  */
3239 	ct_req = qla2x00_prep_ct_req(ct_sns, GPN_ID_CMD, GPN_ID_RSP_SIZE);
3240 
3241 	/* GPN_ID req */
3242 	ct_req->req.port_id.port_id = port_id_to_be_id(*id);
3243 
3244 	sp->u.iocb_cmd.u.ctarg.req_size = GPN_ID_REQ_SIZE;
3245 	sp->u.iocb_cmd.u.ctarg.rsp_size = GPN_ID_RSP_SIZE;
3246 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
3247 
3248 	ql_dbg(ql_dbg_disc, vha, 0x2067,
3249 	    "Async-%s hdl=%x ID %3phC.\n", sp->name,
3250 	    sp->handle, &ct_req->req.port_id.port_id);
3251 
3252 	rval = qla2x00_start_sp(sp);
3253 	if (rval != QLA_SUCCESS)
3254 		goto done_free_sp;
3255 
3256 	return rval;
3257 
3258 done_free_sp:
3259 	spin_lock_irqsave(&vha->hw->vport_slock, flags);
3260 	list_del(&sp->elem);
3261 	spin_unlock_irqrestore(&vha->hw->vport_slock, flags);
3262 
3263 	if (sp->u.iocb_cmd.u.ctarg.req) {
3264 		dma_free_coherent(&vha->hw->pdev->dev,
3265 			sizeof(struct ct_sns_pkt),
3266 			sp->u.iocb_cmd.u.ctarg.req,
3267 			sp->u.iocb_cmd.u.ctarg.req_dma);
3268 		sp->u.iocb_cmd.u.ctarg.req = NULL;
3269 	}
3270 	if (sp->u.iocb_cmd.u.ctarg.rsp) {
3271 		dma_free_coherent(&vha->hw->pdev->dev,
3272 			sizeof(struct ct_sns_pkt),
3273 			sp->u.iocb_cmd.u.ctarg.rsp,
3274 			sp->u.iocb_cmd.u.ctarg.rsp_dma);
3275 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
3276 	}
3277 	/* ref: INIT */
3278 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
3279 done:
3280 	return rval;
3281 }
3282 
3283 void qla24xx_handle_gffid_event(scsi_qla_host_t *vha, struct event_arg *ea)
3284 {
3285 	fc_port_t *fcport = ea->fcport;
3286 
3287 	qla24xx_post_gnl_work(vha, fcport);
3288 }
3289 
3290 void qla24xx_async_gffid_sp_done(srb_t *sp, int res)
3291 {
3292 	struct scsi_qla_host *vha = sp->vha;
3293 	fc_port_t *fcport = sp->fcport;
3294 	struct ct_sns_rsp *ct_rsp;
3295 	struct event_arg ea;
3296 	uint8_t fc4_scsi_feat;
3297 	uint8_t fc4_nvme_feat;
3298 
3299 	ql_dbg(ql_dbg_disc, vha, 0x2133,
3300 	       "Async done-%s res %x ID %x. %8phC\n",
3301 	       sp->name, res, fcport->d_id.b24, fcport->port_name);
3302 
3303 	fcport->flags &= ~FCF_ASYNC_SENT;
3304 	ct_rsp = &fcport->ct_desc.ct_sns->p.rsp;
3305 	fc4_scsi_feat = ct_rsp->rsp.gff_id.fc4_features[GFF_FCP_SCSI_OFFSET];
3306 	fc4_nvme_feat = ct_rsp->rsp.gff_id.fc4_features[GFF_NVME_OFFSET];
3307 
3308 	/*
3309 	 * FC-GS-7, 5.2.3.12 FC-4 Features - format
3310 	 * The format of the FC-4 Features object, as defined by the FC-4,
3311 	 * Shall be an array of 4-bit values, one for each type code value
3312 	 */
3313 	if (!res) {
3314 		if (fc4_scsi_feat & 0xf) {
3315 			/* w1 b00:03 */
3316 			fcport->fc4_type = FS_FC4TYPE_FCP;
3317 			fcport->fc4_features = fc4_scsi_feat & 0xf;
3318 		}
3319 
3320 		if (fc4_nvme_feat & 0xf) {
3321 			/* w5 [00:03]/28h */
3322 			fcport->fc4_type |= FS_FC4TYPE_NVME;
3323 			fcport->fc4_features = fc4_nvme_feat & 0xf;
3324 		}
3325 	}
3326 
3327 	memset(&ea, 0, sizeof(ea));
3328 	ea.sp = sp;
3329 	ea.fcport = sp->fcport;
3330 	ea.rc = res;
3331 
3332 	qla24xx_handle_gffid_event(vha, &ea);
3333 	/* ref: INIT */
3334 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
3335 }
3336 
3337 /* Get FC4 Feature with Nport ID. */
3338 int qla24xx_async_gffid(scsi_qla_host_t *vha, fc_port_t *fcport)
3339 {
3340 	int rval = QLA_FUNCTION_FAILED;
3341 	struct ct_sns_req       *ct_req;
3342 	srb_t *sp;
3343 
3344 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
3345 		return rval;
3346 
3347 	/* ref: INIT */
3348 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
3349 	if (!sp)
3350 		return rval;
3351 
3352 	fcport->flags |= FCF_ASYNC_SENT;
3353 	sp->type = SRB_CT_PTHRU_CMD;
3354 	sp->name = "gffid";
3355 	sp->gen1 = fcport->rscn_gen;
3356 	sp->gen2 = fcport->login_gen;
3357 	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
3358 			      qla24xx_async_gffid_sp_done);
3359 
3360 	/* CT_IU preamble  */
3361 	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GFF_ID_CMD,
3362 	    GFF_ID_RSP_SIZE);
3363 
3364 	ct_req->req.gff_id.port_id[0] = fcport->d_id.b.domain;
3365 	ct_req->req.gff_id.port_id[1] = fcport->d_id.b.area;
3366 	ct_req->req.gff_id.port_id[2] = fcport->d_id.b.al_pa;
3367 
3368 	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
3369 	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
3370 	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
3371 	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
3372 	sp->u.iocb_cmd.u.ctarg.req_size = GFF_ID_REQ_SIZE;
3373 	sp->u.iocb_cmd.u.ctarg.rsp_size = GFF_ID_RSP_SIZE;
3374 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
3375 
3376 	ql_dbg(ql_dbg_disc, vha, 0x2132,
3377 	    "Async-%s hdl=%x  %8phC.\n", sp->name,
3378 	    sp->handle, fcport->port_name);
3379 
3380 	rval = qla2x00_start_sp(sp);
3381 	if (rval != QLA_SUCCESS)
3382 		goto done_free_sp;
3383 
3384 	return rval;
3385 done_free_sp:
3386 	/* ref: INIT */
3387 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
3388 	fcport->flags &= ~FCF_ASYNC_SENT;
3389 	return rval;
3390 }
3391 
3392 /* GPN_FT + GNN_FT*/
3393 static int qla2x00_is_a_vp(scsi_qla_host_t *vha, u64 wwn)
3394 {
3395 	struct qla_hw_data *ha = vha->hw;
3396 	scsi_qla_host_t *vp;
3397 	unsigned long flags;
3398 	u64 twwn;
3399 	int rc = 0;
3400 
3401 	if (!ha->num_vhosts)
3402 		return 0;
3403 
3404 	spin_lock_irqsave(&ha->vport_slock, flags);
3405 	list_for_each_entry(vp, &ha->vp_list, list) {
3406 		twwn = wwn_to_u64(vp->port_name);
3407 		if (wwn == twwn) {
3408 			rc = 1;
3409 			break;
3410 		}
3411 	}
3412 	spin_unlock_irqrestore(&ha->vport_slock, flags);
3413 
3414 	return rc;
3415 }
3416 
3417 void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp)
3418 {
3419 	fc_port_t *fcport;
3420 	u32 i, rc;
3421 	bool found;
3422 	struct fab_scan_rp *rp, *trp;
3423 	unsigned long flags;
3424 	u8 recheck = 0;
3425 	u16 dup = 0, dup_cnt = 0;
3426 
3427 	ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3428 	    "%s enter\n", __func__);
3429 
3430 	if (sp->gen1 != vha->hw->base_qpair->chip_reset) {
3431 		ql_dbg(ql_dbg_disc, vha, 0xffff,
3432 		    "%s scan stop due to chip reset %x/%x\n",
3433 		    sp->name, sp->gen1, vha->hw->base_qpair->chip_reset);
3434 		goto out;
3435 	}
3436 
3437 	rc = sp->rc;
3438 	if (rc) {
3439 		vha->scan.scan_retry++;
3440 		if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
3441 			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3442 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3443 			goto out;
3444 		} else {
3445 			ql_dbg(ql_dbg_disc, vha, 0xffff,
3446 			    "%s: Fabric scan failed for %d retries.\n",
3447 			    __func__, vha->scan.scan_retry);
3448 			/*
3449 			 * Unable to scan any rports. logout loop below
3450 			 * will unregister all sessions.
3451 			 */
3452 			list_for_each_entry(fcport, &vha->vp_fcports, list) {
3453 				if ((fcport->flags & FCF_FABRIC_DEVICE) != 0) {
3454 					fcport->scan_state = QLA_FCPORT_SCAN;
3455 					if (fcport->loop_id == FC_NO_LOOP_ID)
3456 						fcport->logout_on_delete = 0;
3457 					else
3458 						fcport->logout_on_delete = 1;
3459 				}
3460 			}
3461 			goto login_logout;
3462 		}
3463 	}
3464 	vha->scan.scan_retry = 0;
3465 
3466 	list_for_each_entry(fcport, &vha->vp_fcports, list)
3467 		fcport->scan_state = QLA_FCPORT_SCAN;
3468 
3469 	for (i = 0; i < vha->hw->max_fibre_devices; i++) {
3470 		u64 wwn;
3471 		int k;
3472 
3473 		rp = &vha->scan.l[i];
3474 		found = false;
3475 
3476 		wwn = wwn_to_u64(rp->port_name);
3477 		if (wwn == 0)
3478 			continue;
3479 
3480 		/* Remove duplicate NPORT ID entries from switch data base */
3481 		for (k = i + 1; k < vha->hw->max_fibre_devices; k++) {
3482 			trp = &vha->scan.l[k];
3483 			if (rp->id.b24 == trp->id.b24) {
3484 				dup = 1;
3485 				dup_cnt++;
3486 				ql_dbg(ql_dbg_disc + ql_dbg_verbose,
3487 				    vha, 0xffff,
3488 				    "Detected duplicate NPORT ID from switch data base: ID %06x WWN %8phN WWN %8phN\n",
3489 				    rp->id.b24, rp->port_name, trp->port_name);
3490 				memset(trp, 0, sizeof(*trp));
3491 			}
3492 		}
3493 
3494 		if (!memcmp(rp->port_name, vha->port_name, WWN_SIZE))
3495 			continue;
3496 
3497 		/* Bypass reserved domain fields. */
3498 		if ((rp->id.b.domain & 0xf0) == 0xf0)
3499 			continue;
3500 
3501 		/* Bypass virtual ports of the same host. */
3502 		if (qla2x00_is_a_vp(vha, wwn))
3503 			continue;
3504 
3505 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3506 			if (memcmp(rp->port_name, fcport->port_name, WWN_SIZE))
3507 				continue;
3508 			fcport->scan_state = QLA_FCPORT_FOUND;
3509 			fcport->last_rscn_gen = fcport->rscn_gen;
3510 			fcport->fc4_type = rp->fc4type;
3511 			found = true;
3512 
3513 			if (fcport->scan_needed) {
3514 				if (NVME_PRIORITY(vha->hw, fcport))
3515 					fcport->do_prli_nvme = 1;
3516 				else
3517 					fcport->do_prli_nvme = 0;
3518 			}
3519 
3520 			/*
3521 			 * If device was not a fabric device before.
3522 			 */
3523 			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3524 				qla2x00_clear_loop_id(fcport);
3525 				fcport->flags |= FCF_FABRIC_DEVICE;
3526 			} else if (fcport->d_id.b24 != rp->id.b24 ||
3527 				   (fcport->scan_needed &&
3528 				    fcport->port_type != FCT_INITIATOR &&
3529 				    fcport->port_type != FCT_NVME_INITIATOR)) {
3530 				qlt_schedule_sess_for_deletion(fcport);
3531 			}
3532 			fcport->d_id.b24 = rp->id.b24;
3533 			fcport->scan_needed = 0;
3534 			break;
3535 		}
3536 
3537 		if (!found) {
3538 			ql_dbg(ql_dbg_disc, vha, 0xffff,
3539 			    "%s %d %8phC post new sess\n",
3540 			    __func__, __LINE__, rp->port_name);
3541 			qla24xx_post_newsess_work(vha, &rp->id, rp->port_name,
3542 			    rp->node_name, NULL, rp->fc4type);
3543 		}
3544 	}
3545 
3546 	if (dup) {
3547 		ql_log(ql_log_warn, vha, 0xffff,
3548 		    "Detected %d duplicate NPORT ID(s) from switch data base\n",
3549 		    dup_cnt);
3550 	}
3551 
3552 login_logout:
3553 	/*
3554 	 * Logout all previous fabric dev marked lost, except FCP2 devices.
3555 	 */
3556 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3557 		if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3558 			fcport->scan_needed = 0;
3559 			continue;
3560 		}
3561 
3562 		if (fcport->scan_state != QLA_FCPORT_FOUND) {
3563 			bool do_delete = false;
3564 
3565 			if (fcport->scan_needed &&
3566 			    fcport->disc_state == DSC_LOGIN_PEND) {
3567 				/* Cable got disconnected after we sent
3568 				 * a login. Do delete to prevent timeout.
3569 				 */
3570 				fcport->logout_on_delete = 1;
3571 				do_delete = true;
3572 			}
3573 
3574 			fcport->scan_needed = 0;
3575 			if (((qla_dual_mode_enabled(vha) ||
3576 			      qla_ini_mode_enabled(vha)) &&
3577 			    atomic_read(&fcport->state) == FCS_ONLINE) ||
3578 				do_delete) {
3579 				if (fcport->loop_id != FC_NO_LOOP_ID) {
3580 					if (fcport->flags & FCF_FCP2_DEVICE)
3581 						fcport->logout_on_delete = 0;
3582 
3583 					ql_log(ql_log_warn, vha, 0x20f0,
3584 					       "%s %d %8phC post del sess\n",
3585 					       __func__, __LINE__,
3586 					       fcport->port_name);
3587 
3588 					fcport->tgt_link_down_time = 0;
3589 					qlt_schedule_sess_for_deletion(fcport);
3590 					continue;
3591 				}
3592 			}
3593 		} else {
3594 			if (fcport->scan_needed ||
3595 			    fcport->disc_state != DSC_LOGIN_COMPLETE) {
3596 				if (fcport->login_retry == 0) {
3597 					fcport->login_retry =
3598 						vha->hw->login_retry_count;
3599 					ql_dbg(ql_dbg_disc, vha, 0x20a3,
3600 					    "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n",
3601 					    fcport->port_name, fcport->loop_id,
3602 					    fcport->login_retry);
3603 				}
3604 				fcport->scan_needed = 0;
3605 				qla24xx_fcport_handle_login(vha, fcport);
3606 			}
3607 		}
3608 	}
3609 
3610 	recheck = 1;
3611 out:
3612 	qla24xx_sp_unmap(vha, sp);
3613 	spin_lock_irqsave(&vha->work_lock, flags);
3614 	vha->scan.scan_flags &= ~SF_SCANNING;
3615 	spin_unlock_irqrestore(&vha->work_lock, flags);
3616 
3617 	if (recheck) {
3618 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3619 			if (fcport->scan_needed) {
3620 				set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3621 				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3622 				break;
3623 			}
3624 		}
3625 	}
3626 }
3627 
3628 static int qla2x00_post_gnnft_gpnft_done_work(struct scsi_qla_host *vha,
3629     srb_t *sp, int cmd)
3630 {
3631 	struct qla_work_evt *e;
3632 
3633 	if (cmd != QLA_EVT_GPNFT_DONE && cmd != QLA_EVT_GNNFT_DONE)
3634 		return QLA_PARAMETER_ERROR;
3635 
3636 	e = qla2x00_alloc_work(vha, cmd);
3637 	if (!e)
3638 		return QLA_FUNCTION_FAILED;
3639 
3640 	e->u.iosb.sp = sp;
3641 
3642 	return qla2x00_post_work(vha, e);
3643 }
3644 
3645 static int qla2x00_post_nvme_gpnft_work(struct scsi_qla_host *vha,
3646     srb_t *sp, int cmd)
3647 {
3648 	struct qla_work_evt *e;
3649 
3650 	if (cmd != QLA_EVT_GPNFT)
3651 		return QLA_PARAMETER_ERROR;
3652 
3653 	e = qla2x00_alloc_work(vha, cmd);
3654 	if (!e)
3655 		return QLA_FUNCTION_FAILED;
3656 
3657 	e->u.gpnft.fc4_type = FC4_TYPE_NVME;
3658 	e->u.gpnft.sp = sp;
3659 
3660 	return qla2x00_post_work(vha, e);
3661 }
3662 
3663 static void qla2x00_find_free_fcp_nvme_slot(struct scsi_qla_host *vha,
3664 	struct srb *sp)
3665 {
3666 	struct qla_hw_data *ha = vha->hw;
3667 	int num_fibre_dev = ha->max_fibre_devices;
3668 	struct ct_sns_req *ct_req =
3669 		(struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
3670 	struct ct_sns_gpnft_rsp *ct_rsp =
3671 		(struct ct_sns_gpnft_rsp *)sp->u.iocb_cmd.u.ctarg.rsp;
3672 	struct ct_sns_gpn_ft_data *d;
3673 	struct fab_scan_rp *rp;
3674 	u16 cmd = be16_to_cpu(ct_req->command);
3675 	u8 fc4_type = sp->gen2;
3676 	int i, j, k;
3677 	port_id_t id;
3678 	u8 found;
3679 	u64 wwn;
3680 
3681 	j = 0;
3682 	for (i = 0; i < num_fibre_dev; i++) {
3683 		d  = &ct_rsp->entries[i];
3684 
3685 		id.b.rsvd_1 = 0;
3686 		id.b.domain = d->port_id[0];
3687 		id.b.area   = d->port_id[1];
3688 		id.b.al_pa  = d->port_id[2];
3689 		wwn = wwn_to_u64(d->port_name);
3690 
3691 		if (id.b24 == 0 || wwn == 0)
3692 			continue;
3693 
3694 		if (fc4_type == FC4_TYPE_FCP_SCSI) {
3695 			if (cmd == GPN_FT_CMD) {
3696 				rp = &vha->scan.l[j];
3697 				rp->id = id;
3698 				memcpy(rp->port_name, d->port_name, 8);
3699 				j++;
3700 				rp->fc4type = FS_FC4TYPE_FCP;
3701 			} else {
3702 				for (k = 0; k < num_fibre_dev; k++) {
3703 					rp = &vha->scan.l[k];
3704 					if (id.b24 == rp->id.b24) {
3705 						memcpy(rp->node_name,
3706 						    d->port_name, 8);
3707 						break;
3708 					}
3709 				}
3710 			}
3711 		} else {
3712 			/* Search if the fibre device supports FC4_TYPE_NVME */
3713 			if (cmd == GPN_FT_CMD) {
3714 				found = 0;
3715 
3716 				for (k = 0; k < num_fibre_dev; k++) {
3717 					rp = &vha->scan.l[k];
3718 					if (!memcmp(rp->port_name,
3719 					    d->port_name, 8)) {
3720 						/*
3721 						 * Supports FC-NVMe & FCP
3722 						 */
3723 						rp->fc4type |= FS_FC4TYPE_NVME;
3724 						found = 1;
3725 						break;
3726 					}
3727 				}
3728 
3729 				/* We found new FC-NVMe only port */
3730 				if (!found) {
3731 					for (k = 0; k < num_fibre_dev; k++) {
3732 						rp = &vha->scan.l[k];
3733 						if (wwn_to_u64(rp->port_name)) {
3734 							continue;
3735 						} else {
3736 							rp->id = id;
3737 							memcpy(rp->port_name,
3738 							    d->port_name, 8);
3739 							rp->fc4type =
3740 							    FS_FC4TYPE_NVME;
3741 							break;
3742 						}
3743 					}
3744 				}
3745 			} else {
3746 				for (k = 0; k < num_fibre_dev; k++) {
3747 					rp = &vha->scan.l[k];
3748 					if (id.b24 == rp->id.b24) {
3749 						memcpy(rp->node_name,
3750 						    d->port_name, 8);
3751 						break;
3752 					}
3753 				}
3754 			}
3755 		}
3756 	}
3757 }
3758 
3759 static void qla2x00_async_gpnft_gnnft_sp_done(srb_t *sp, int res)
3760 {
3761 	struct scsi_qla_host *vha = sp->vha;
3762 	struct ct_sns_req *ct_req =
3763 		(struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
3764 	u16 cmd = be16_to_cpu(ct_req->command);
3765 	u8 fc4_type = sp->gen2;
3766 	unsigned long flags;
3767 	int rc;
3768 
3769 	/* gen2 field is holding the fc4type */
3770 	ql_dbg(ql_dbg_disc, vha, 0xffff,
3771 	    "Async done-%s res %x FC4Type %x\n",
3772 	    sp->name, res, sp->gen2);
3773 
3774 	sp->rc = res;
3775 	if (res) {
3776 		unsigned long flags;
3777 		const char *name = sp->name;
3778 
3779 		if (res == QLA_OS_TIMER_EXPIRED) {
3780 			/* switch is ignoring all commands.
3781 			 * This might be a zone disable behavior.
3782 			 * This means we hit 64s timeout.
3783 			 * 22s GPNFT + 44s Abort = 64s
3784 			 */
3785 			ql_dbg(ql_dbg_disc, vha, 0xffff,
3786 			       "%s: Switch Zone check please .\n",
3787 			       name);
3788 			qla2x00_mark_all_devices_lost(vha);
3789 		}
3790 
3791 		/*
3792 		 * We are in an Interrupt context, queue up this
3793 		 * sp for GNNFT_DONE work. This will allow all
3794 		 * the resource to get freed up.
3795 		 */
3796 		rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
3797 		    QLA_EVT_GNNFT_DONE);
3798 		if (rc) {
3799 			/* Cleanup here to prevent memory leak */
3800 			qla24xx_sp_unmap(vha, sp);
3801 
3802 			spin_lock_irqsave(&vha->work_lock, flags);
3803 			vha->scan.scan_flags &= ~SF_SCANNING;
3804 			vha->scan.scan_retry++;
3805 			spin_unlock_irqrestore(&vha->work_lock, flags);
3806 
3807 			if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
3808 				set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3809 				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3810 				qla2xxx_wake_dpc(vha);
3811 			} else {
3812 				ql_dbg(ql_dbg_disc, vha, 0xffff,
3813 				    "Async done-%s rescan failed on all retries.\n",
3814 				    name);
3815 			}
3816 		}
3817 		return;
3818 	}
3819 
3820 	qla2x00_find_free_fcp_nvme_slot(vha, sp);
3821 
3822 	if ((fc4_type == FC4_TYPE_FCP_SCSI) && vha->flags.nvme_enabled &&
3823 	    cmd == GNN_FT_CMD) {
3824 		spin_lock_irqsave(&vha->work_lock, flags);
3825 		vha->scan.scan_flags &= ~SF_SCANNING;
3826 		spin_unlock_irqrestore(&vha->work_lock, flags);
3827 
3828 		sp->rc = res;
3829 		rc = qla2x00_post_nvme_gpnft_work(vha, sp, QLA_EVT_GPNFT);
3830 		if (rc) {
3831 			qla24xx_sp_unmap(vha, sp);
3832 			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3833 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3834 		}
3835 		return;
3836 	}
3837 
3838 	if (cmd == GPN_FT_CMD) {
3839 		rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
3840 		    QLA_EVT_GPNFT_DONE);
3841 	} else {
3842 		rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
3843 		    QLA_EVT_GNNFT_DONE);
3844 	}
3845 
3846 	if (rc) {
3847 		qla24xx_sp_unmap(vha, sp);
3848 		set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3849 		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3850 		return;
3851 	}
3852 }
3853 
3854 /*
3855  * Get WWNN list for fc4_type
3856  *
3857  * It is assumed the same SRB is re-used from GPNFT to avoid
3858  * mem free & re-alloc
3859  */
3860 static int qla24xx_async_gnnft(scsi_qla_host_t *vha, struct srb *sp,
3861     u8 fc4_type)
3862 {
3863 	int rval = QLA_FUNCTION_FAILED;
3864 	struct ct_sns_req *ct_req;
3865 	struct ct_sns_pkt *ct_sns;
3866 	unsigned long flags;
3867 
3868 	if (!vha->flags.online) {
3869 		spin_lock_irqsave(&vha->work_lock, flags);
3870 		vha->scan.scan_flags &= ~SF_SCANNING;
3871 		spin_unlock_irqrestore(&vha->work_lock, flags);
3872 		goto done_free_sp;
3873 	}
3874 
3875 	if (!sp->u.iocb_cmd.u.ctarg.req || !sp->u.iocb_cmd.u.ctarg.rsp) {
3876 		ql_log(ql_log_warn, vha, 0xffff,
3877 		    "%s: req %p rsp %p are not setup\n",
3878 		    __func__, sp->u.iocb_cmd.u.ctarg.req,
3879 		    sp->u.iocb_cmd.u.ctarg.rsp);
3880 		spin_lock_irqsave(&vha->work_lock, flags);
3881 		vha->scan.scan_flags &= ~SF_SCANNING;
3882 		spin_unlock_irqrestore(&vha->work_lock, flags);
3883 		WARN_ON(1);
3884 		set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3885 		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3886 		goto done_free_sp;
3887 	}
3888 
3889 	ql_dbg(ql_dbg_disc, vha, 0xfffff,
3890 	    "%s: FC4Type %x, CT-PASSTHRU %s command ctarg rsp size %d, ctarg req size %d\n",
3891 	    __func__, fc4_type, sp->name, sp->u.iocb_cmd.u.ctarg.rsp_size,
3892 	     sp->u.iocb_cmd.u.ctarg.req_size);
3893 
3894 	sp->type = SRB_CT_PTHRU_CMD;
3895 	sp->name = "gnnft";
3896 	sp->gen1 = vha->hw->base_qpair->chip_reset;
3897 	sp->gen2 = fc4_type;
3898 	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
3899 			      qla2x00_async_gpnft_gnnft_sp_done);
3900 
3901 	memset(sp->u.iocb_cmd.u.ctarg.rsp, 0, sp->u.iocb_cmd.u.ctarg.rsp_size);
3902 	memset(sp->u.iocb_cmd.u.ctarg.req, 0, sp->u.iocb_cmd.u.ctarg.req_size);
3903 
3904 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
3905 	/* CT_IU preamble  */
3906 	ct_req = qla2x00_prep_ct_req(ct_sns, GNN_FT_CMD,
3907 	    sp->u.iocb_cmd.u.ctarg.rsp_size);
3908 
3909 	/* GPN_FT req */
3910 	ct_req->req.gpn_ft.port_type = fc4_type;
3911 
3912 	sp->u.iocb_cmd.u.ctarg.req_size = GNN_FT_REQ_SIZE;
3913 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
3914 
3915 	ql_dbg(ql_dbg_disc, vha, 0xffff,
3916 	    "Async-%s hdl=%x FC4Type %x.\n", sp->name,
3917 	    sp->handle, ct_req->req.gpn_ft.port_type);
3918 
3919 	rval = qla2x00_start_sp(sp);
3920 	if (rval != QLA_SUCCESS) {
3921 		goto done_free_sp;
3922 	}
3923 
3924 	return rval;
3925 
3926 done_free_sp:
3927 	if (sp->u.iocb_cmd.u.ctarg.req) {
3928 		dma_free_coherent(&vha->hw->pdev->dev,
3929 		    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
3930 		    sp->u.iocb_cmd.u.ctarg.req,
3931 		    sp->u.iocb_cmd.u.ctarg.req_dma);
3932 		sp->u.iocb_cmd.u.ctarg.req = NULL;
3933 	}
3934 	if (sp->u.iocb_cmd.u.ctarg.rsp) {
3935 		dma_free_coherent(&vha->hw->pdev->dev,
3936 		    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
3937 		    sp->u.iocb_cmd.u.ctarg.rsp,
3938 		    sp->u.iocb_cmd.u.ctarg.rsp_dma);
3939 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
3940 	}
3941 	/* ref: INIT */
3942 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
3943 
3944 	spin_lock_irqsave(&vha->work_lock, flags);
3945 	vha->scan.scan_flags &= ~SF_SCANNING;
3946 	if (vha->scan.scan_flags == 0) {
3947 		ql_dbg(ql_dbg_disc, vha, 0xffff,
3948 		    "%s: schedule\n", __func__);
3949 		vha->scan.scan_flags |= SF_QUEUED;
3950 		schedule_delayed_work(&vha->scan.scan_work, 5);
3951 	}
3952 	spin_unlock_irqrestore(&vha->work_lock, flags);
3953 
3954 
3955 	return rval;
3956 } /* GNNFT */
3957 
3958 void qla24xx_async_gpnft_done(scsi_qla_host_t *vha, srb_t *sp)
3959 {
3960 	ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3961 	    "%s enter\n", __func__);
3962 	qla24xx_async_gnnft(vha, sp, sp->gen2);
3963 }
3964 
3965 /* Get WWPN list for certain fc4_type */
3966 int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp)
3967 {
3968 	int rval = QLA_FUNCTION_FAILED;
3969 	struct ct_sns_req       *ct_req;
3970 	struct ct_sns_pkt *ct_sns;
3971 	u32 rspsz;
3972 	unsigned long flags;
3973 
3974 	ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3975 	    "%s enter\n", __func__);
3976 
3977 	if (!vha->flags.online)
3978 		return rval;
3979 
3980 	spin_lock_irqsave(&vha->work_lock, flags);
3981 	if (vha->scan.scan_flags & SF_SCANNING) {
3982 		spin_unlock_irqrestore(&vha->work_lock, flags);
3983 		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3984 		    "%s: scan active\n", __func__);
3985 		return rval;
3986 	}
3987 	vha->scan.scan_flags |= SF_SCANNING;
3988 	spin_unlock_irqrestore(&vha->work_lock, flags);
3989 
3990 	if (fc4_type == FC4_TYPE_FCP_SCSI) {
3991 		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3992 		    "%s: Performing FCP Scan\n", __func__);
3993 
3994 		if (sp) {
3995 			/* ref: INIT */
3996 			kref_put(&sp->cmd_kref, qla2x00_sp_release);
3997 		}
3998 
3999 		/* ref: INIT */
4000 		sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
4001 		if (!sp) {
4002 			spin_lock_irqsave(&vha->work_lock, flags);
4003 			vha->scan.scan_flags &= ~SF_SCANNING;
4004 			spin_unlock_irqrestore(&vha->work_lock, flags);
4005 			return rval;
4006 		}
4007 
4008 		sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
4009 								sizeof(struct ct_sns_pkt),
4010 								&sp->u.iocb_cmd.u.ctarg.req_dma,
4011 								GFP_KERNEL);
4012 		sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
4013 		if (!sp->u.iocb_cmd.u.ctarg.req) {
4014 			ql_log(ql_log_warn, vha, 0xffff,
4015 			    "Failed to allocate ct_sns request.\n");
4016 			spin_lock_irqsave(&vha->work_lock, flags);
4017 			vha->scan.scan_flags &= ~SF_SCANNING;
4018 			spin_unlock_irqrestore(&vha->work_lock, flags);
4019 			qla2x00_rel_sp(sp);
4020 			return rval;
4021 		}
4022 		sp->u.iocb_cmd.u.ctarg.req_size = GPN_FT_REQ_SIZE;
4023 
4024 		rspsz = sizeof(struct ct_sns_gpnft_rsp) +
4025 			((vha->hw->max_fibre_devices - 1) *
4026 			    sizeof(struct ct_sns_gpn_ft_data));
4027 
4028 		sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
4029 								rspsz,
4030 								&sp->u.iocb_cmd.u.ctarg.rsp_dma,
4031 								GFP_KERNEL);
4032 		sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = rspsz;
4033 		if (!sp->u.iocb_cmd.u.ctarg.rsp) {
4034 			ql_log(ql_log_warn, vha, 0xffff,
4035 			    "Failed to allocate ct_sns request.\n");
4036 			spin_lock_irqsave(&vha->work_lock, flags);
4037 			vha->scan.scan_flags &= ~SF_SCANNING;
4038 			spin_unlock_irqrestore(&vha->work_lock, flags);
4039 			dma_free_coherent(&vha->hw->pdev->dev,
4040 			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
4041 			    sp->u.iocb_cmd.u.ctarg.req,
4042 			    sp->u.iocb_cmd.u.ctarg.req_dma);
4043 			sp->u.iocb_cmd.u.ctarg.req = NULL;
4044 			/* ref: INIT */
4045 			qla2x00_rel_sp(sp);
4046 			return rval;
4047 		}
4048 		sp->u.iocb_cmd.u.ctarg.rsp_size = rspsz;
4049 
4050 		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
4051 		    "%s scan list size %d\n", __func__, vha->scan.size);
4052 
4053 		memset(vha->scan.l, 0, vha->scan.size);
4054 	} else if (!sp) {
4055 		ql_dbg(ql_dbg_disc, vha, 0xffff,
4056 		    "NVME scan did not provide SP\n");
4057 		return rval;
4058 	}
4059 
4060 	sp->type = SRB_CT_PTHRU_CMD;
4061 	sp->name = "gpnft";
4062 	sp->gen1 = vha->hw->base_qpair->chip_reset;
4063 	sp->gen2 = fc4_type;
4064 	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
4065 			      qla2x00_async_gpnft_gnnft_sp_done);
4066 
4067 	rspsz = sp->u.iocb_cmd.u.ctarg.rsp_size;
4068 	memset(sp->u.iocb_cmd.u.ctarg.rsp, 0, sp->u.iocb_cmd.u.ctarg.rsp_size);
4069 	memset(sp->u.iocb_cmd.u.ctarg.req, 0, sp->u.iocb_cmd.u.ctarg.req_size);
4070 
4071 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
4072 	/* CT_IU preamble  */
4073 	ct_req = qla2x00_prep_ct_req(ct_sns, GPN_FT_CMD, rspsz);
4074 
4075 	/* GPN_FT req */
4076 	ct_req->req.gpn_ft.port_type = fc4_type;
4077 
4078 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
4079 
4080 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4081 	    "Async-%s hdl=%x FC4Type %x.\n", sp->name,
4082 	    sp->handle, ct_req->req.gpn_ft.port_type);
4083 
4084 	rval = qla2x00_start_sp(sp);
4085 	if (rval != QLA_SUCCESS) {
4086 		goto done_free_sp;
4087 	}
4088 
4089 	return rval;
4090 
4091 done_free_sp:
4092 	if (sp->u.iocb_cmd.u.ctarg.req) {
4093 		dma_free_coherent(&vha->hw->pdev->dev,
4094 		    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
4095 		    sp->u.iocb_cmd.u.ctarg.req,
4096 		    sp->u.iocb_cmd.u.ctarg.req_dma);
4097 		sp->u.iocb_cmd.u.ctarg.req = NULL;
4098 	}
4099 	if (sp->u.iocb_cmd.u.ctarg.rsp) {
4100 		dma_free_coherent(&vha->hw->pdev->dev,
4101 		    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
4102 		    sp->u.iocb_cmd.u.ctarg.rsp,
4103 		    sp->u.iocb_cmd.u.ctarg.rsp_dma);
4104 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
4105 	}
4106 
4107 	/* ref: INIT */
4108 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
4109 
4110 	spin_lock_irqsave(&vha->work_lock, flags);
4111 	vha->scan.scan_flags &= ~SF_SCANNING;
4112 	if (vha->scan.scan_flags == 0) {
4113 		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
4114 		    "%s: Scan scheduled.\n", __func__);
4115 		vha->scan.scan_flags |= SF_QUEUED;
4116 		schedule_delayed_work(&vha->scan.scan_work, 5);
4117 	}
4118 	spin_unlock_irqrestore(&vha->work_lock, flags);
4119 
4120 
4121 	return rval;
4122 }
4123 
4124 void qla_scan_work_fn(struct work_struct *work)
4125 {
4126 	struct fab_scan *s = container_of(to_delayed_work(work),
4127 	    struct fab_scan, scan_work);
4128 	struct scsi_qla_host *vha = container_of(s, struct scsi_qla_host,
4129 	    scan);
4130 	unsigned long flags;
4131 
4132 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4133 	    "%s: schedule loop resync\n", __func__);
4134 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4135 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4136 	qla2xxx_wake_dpc(vha);
4137 	spin_lock_irqsave(&vha->work_lock, flags);
4138 	vha->scan.scan_flags &= ~SF_QUEUED;
4139 	spin_unlock_irqrestore(&vha->work_lock, flags);
4140 }
4141 
4142 /* GNN_ID */
4143 void qla24xx_handle_gnnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
4144 {
4145 	qla24xx_post_gnl_work(vha, ea->fcport);
4146 }
4147 
4148 static void qla2x00_async_gnnid_sp_done(srb_t *sp, int res)
4149 {
4150 	struct scsi_qla_host *vha = sp->vha;
4151 	fc_port_t *fcport = sp->fcport;
4152 	u8 *node_name = fcport->ct_desc.ct_sns->p.rsp.rsp.gnn_id.node_name;
4153 	struct event_arg ea;
4154 	u64 wwnn;
4155 
4156 	fcport->flags &= ~FCF_ASYNC_SENT;
4157 	wwnn = wwn_to_u64(node_name);
4158 	if (wwnn)
4159 		memcpy(fcport->node_name, node_name, WWN_SIZE);
4160 
4161 	memset(&ea, 0, sizeof(ea));
4162 	ea.fcport = fcport;
4163 	ea.sp = sp;
4164 	ea.rc = res;
4165 
4166 	ql_dbg(ql_dbg_disc, vha, 0x204f,
4167 	    "Async done-%s res %x, WWPN %8phC %8phC\n",
4168 	    sp->name, res, fcport->port_name, fcport->node_name);
4169 
4170 	qla24xx_handle_gnnid_event(vha, &ea);
4171 
4172 	/* ref: INIT */
4173 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
4174 }
4175 
4176 int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport)
4177 {
4178 	int rval = QLA_FUNCTION_FAILED;
4179 	struct ct_sns_req       *ct_req;
4180 	srb_t *sp;
4181 
4182 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
4183 		return rval;
4184 
4185 	qla2x00_set_fcport_disc_state(fcport, DSC_GNN_ID);
4186 	/* ref: INIT */
4187 	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
4188 	if (!sp)
4189 		goto done;
4190 
4191 	fcport->flags |= FCF_ASYNC_SENT;
4192 	sp->type = SRB_CT_PTHRU_CMD;
4193 	sp->name = "gnnid";
4194 	sp->gen1 = fcport->rscn_gen;
4195 	sp->gen2 = fcport->login_gen;
4196 	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
4197 			      qla2x00_async_gnnid_sp_done);
4198 
4199 	/* CT_IU preamble  */
4200 	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GNN_ID_CMD,
4201 	    GNN_ID_RSP_SIZE);
4202 
4203 	/* GNN_ID req */
4204 	ct_req->req.port_id.port_id = port_id_to_be_id(fcport->d_id);
4205 
4206 
4207 	/* req & rsp use the same buffer */
4208 	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
4209 	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
4210 	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
4211 	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
4212 	sp->u.iocb_cmd.u.ctarg.req_size = GNN_ID_REQ_SIZE;
4213 	sp->u.iocb_cmd.u.ctarg.rsp_size = GNN_ID_RSP_SIZE;
4214 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
4215 
4216 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4217 	    "Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n",
4218 	    sp->name, fcport->port_name,
4219 	    sp->handle, fcport->loop_id, fcport->d_id.b24);
4220 
4221 	rval = qla2x00_start_sp(sp);
4222 	if (rval != QLA_SUCCESS)
4223 		goto done_free_sp;
4224 	return rval;
4225 
4226 done_free_sp:
4227 	/* ref: INIT */
4228 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
4229 	fcport->flags &= ~FCF_ASYNC_SENT;
4230 done:
4231 	return rval;
4232 }
4233 
4234 int qla24xx_post_gnnid_work(struct scsi_qla_host *vha, fc_port_t *fcport)
4235 {
4236 	struct qla_work_evt *e;
4237 	int ls;
4238 
4239 	ls = atomic_read(&vha->loop_state);
4240 	if (((ls != LOOP_READY) && (ls != LOOP_UP)) ||
4241 		test_bit(UNLOADING, &vha->dpc_flags))
4242 		return 0;
4243 
4244 	e = qla2x00_alloc_work(vha, QLA_EVT_GNNID);
4245 	if (!e)
4246 		return QLA_FUNCTION_FAILED;
4247 
4248 	e->u.fcport.fcport = fcport;
4249 	return qla2x00_post_work(vha, e);
4250 }
4251 
4252 /* GPFN_ID */
4253 void qla24xx_handle_gfpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
4254 {
4255 	fc_port_t *fcport = ea->fcport;
4256 
4257 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4258 	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d fcpcnt %d\n",
4259 	    __func__, fcport->port_name, fcport->disc_state,
4260 	    fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
4261 	    fcport->rscn_gen, ea->sp->gen1, vha->fcport_count);
4262 
4263 	if (fcport->disc_state == DSC_DELETE_PEND)
4264 		return;
4265 
4266 	if (ea->sp->gen2 != fcport->login_gen) {
4267 		/* target side must have changed it. */
4268 		ql_dbg(ql_dbg_disc, vha, 0x20d3,
4269 		    "%s %8phC generation changed\n",
4270 		    __func__, fcport->port_name);
4271 		return;
4272 	} else if (ea->sp->gen1 != fcport->rscn_gen) {
4273 		return;
4274 	}
4275 
4276 	qla24xx_post_gpsc_work(vha, fcport);
4277 }
4278 
4279 static void qla2x00_async_gfpnid_sp_done(srb_t *sp, int res)
4280 {
4281 	struct scsi_qla_host *vha = sp->vha;
4282 	fc_port_t *fcport = sp->fcport;
4283 	u8 *fpn = fcport->ct_desc.ct_sns->p.rsp.rsp.gfpn_id.port_name;
4284 	struct event_arg ea;
4285 	u64 wwn;
4286 
4287 	wwn = wwn_to_u64(fpn);
4288 	if (wwn)
4289 		memcpy(fcport->fabric_port_name, fpn, WWN_SIZE);
4290 
4291 	memset(&ea, 0, sizeof(ea));
4292 	ea.fcport = fcport;
4293 	ea.sp = sp;
4294 	ea.rc = res;
4295 
4296 	ql_dbg(ql_dbg_disc, vha, 0x204f,
4297 	    "Async done-%s res %x, WWPN %8phC %8phC\n",
4298 	    sp->name, res, fcport->port_name, fcport->fabric_port_name);
4299 
4300 	qla24xx_handle_gfpnid_event(vha, &ea);
4301 
4302 	/* ref: INIT */
4303 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
4304 }
4305 
4306 int qla24xx_async_gfpnid(scsi_qla_host_t *vha, fc_port_t *fcport)
4307 {
4308 	int rval = QLA_FUNCTION_FAILED;
4309 	struct ct_sns_req       *ct_req;
4310 	srb_t *sp;
4311 
4312 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
4313 		return rval;
4314 
4315 	/* ref: INIT */
4316 	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
4317 	if (!sp)
4318 		goto done;
4319 
4320 	sp->type = SRB_CT_PTHRU_CMD;
4321 	sp->name = "gfpnid";
4322 	sp->gen1 = fcport->rscn_gen;
4323 	sp->gen2 = fcport->login_gen;
4324 	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
4325 			      qla2x00_async_gfpnid_sp_done);
4326 
4327 	/* CT_IU preamble  */
4328 	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GFPN_ID_CMD,
4329 	    GFPN_ID_RSP_SIZE);
4330 
4331 	/* GFPN_ID req */
4332 	ct_req->req.port_id.port_id = port_id_to_be_id(fcport->d_id);
4333 
4334 
4335 	/* req & rsp use the same buffer */
4336 	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
4337 	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
4338 	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
4339 	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
4340 	sp->u.iocb_cmd.u.ctarg.req_size = GFPN_ID_REQ_SIZE;
4341 	sp->u.iocb_cmd.u.ctarg.rsp_size = GFPN_ID_RSP_SIZE;
4342 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
4343 
4344 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4345 	    "Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n",
4346 	    sp->name, fcport->port_name,
4347 	    sp->handle, fcport->loop_id, fcport->d_id.b24);
4348 
4349 	rval = qla2x00_start_sp(sp);
4350 	if (rval != QLA_SUCCESS)
4351 		goto done_free_sp;
4352 
4353 	return rval;
4354 
4355 done_free_sp:
4356 	/* ref: INIT */
4357 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
4358 done:
4359 	return rval;
4360 }
4361 
4362 int qla24xx_post_gfpnid_work(struct scsi_qla_host *vha, fc_port_t *fcport)
4363 {
4364 	struct qla_work_evt *e;
4365 	int ls;
4366 
4367 	ls = atomic_read(&vha->loop_state);
4368 	if (((ls != LOOP_READY) && (ls != LOOP_UP)) ||
4369 		test_bit(UNLOADING, &vha->dpc_flags))
4370 		return 0;
4371 
4372 	e = qla2x00_alloc_work(vha, QLA_EVT_GFPNID);
4373 	if (!e)
4374 		return QLA_FUNCTION_FAILED;
4375 
4376 	e->u.fcport.fcport = fcport;
4377 	return qla2x00_post_work(vha, e);
4378 }
4379