xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_gs.c (revision f20c7d91)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 #include "qla_target.h"
9 #include <linux/utsname.h>
10 
11 static int qla2x00_sns_ga_nxt(scsi_qla_host_t *, fc_port_t *);
12 static int qla2x00_sns_gid_pt(scsi_qla_host_t *, sw_info_t *);
13 static int qla2x00_sns_gpn_id(scsi_qla_host_t *, sw_info_t *);
14 static int qla2x00_sns_gnn_id(scsi_qla_host_t *, sw_info_t *);
15 static int qla2x00_sns_rft_id(scsi_qla_host_t *);
16 static int qla2x00_sns_rnn_id(scsi_qla_host_t *);
17 static int qla_async_rftid(scsi_qla_host_t *, port_id_t *);
18 static int qla_async_rffid(scsi_qla_host_t *, port_id_t *, u8, u8);
19 static int qla_async_rnnid(scsi_qla_host_t *, port_id_t *, u8*);
20 static int qla_async_rsnn_nn(scsi_qla_host_t *);
21 
22 
23 
24 /**
25  * qla2x00_prep_ms_iocb() - Prepare common MS/CT IOCB fields for SNS CT query.
26  * @vha: HA context
27  * @arg: CT arguments
28  *
29  * Returns a pointer to the @vha's ms_iocb.
30  */
31 void *
32 qla2x00_prep_ms_iocb(scsi_qla_host_t *vha, struct ct_arg *arg)
33 {
34 	struct qla_hw_data *ha = vha->hw;
35 	ms_iocb_entry_t *ms_pkt;
36 
37 	ms_pkt = (ms_iocb_entry_t *)arg->iocb;
38 	memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
39 
40 	ms_pkt->entry_type = MS_IOCB_TYPE;
41 	ms_pkt->entry_count = 1;
42 	SET_TARGET_ID(ha, ms_pkt->loop_id, SIMPLE_NAME_SERVER);
43 	ms_pkt->control_flags = cpu_to_le16(CF_READ | CF_HEAD_TAG);
44 	ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
45 	ms_pkt->cmd_dsd_count = cpu_to_le16(1);
46 	ms_pkt->total_dsd_count = cpu_to_le16(2);
47 	ms_pkt->rsp_bytecount = cpu_to_le32(arg->rsp_size);
48 	ms_pkt->req_bytecount = cpu_to_le32(arg->req_size);
49 
50 	put_unaligned_le64(arg->req_dma, &ms_pkt->req_dsd.address);
51 	ms_pkt->req_dsd.length = ms_pkt->req_bytecount;
52 
53 	put_unaligned_le64(arg->rsp_dma, &ms_pkt->rsp_dsd.address);
54 	ms_pkt->rsp_dsd.length = ms_pkt->rsp_bytecount;
55 
56 	vha->qla_stats.control_requests++;
57 
58 	return (ms_pkt);
59 }
60 
61 /**
62  * qla24xx_prep_ms_iocb() - Prepare common CT IOCB fields for SNS CT query.
63  * @vha: HA context
64  * @arg: CT arguments
65  *
66  * Returns a pointer to the @ha's ms_iocb.
67  */
68 void *
69 qla24xx_prep_ms_iocb(scsi_qla_host_t *vha, struct ct_arg *arg)
70 {
71 	struct qla_hw_data *ha = vha->hw;
72 	struct ct_entry_24xx *ct_pkt;
73 
74 	ct_pkt = (struct ct_entry_24xx *)arg->iocb;
75 	memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
76 
77 	ct_pkt->entry_type = CT_IOCB_TYPE;
78 	ct_pkt->entry_count = 1;
79 	ct_pkt->nport_handle = cpu_to_le16(arg->nport_handle);
80 	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
81 	ct_pkt->cmd_dsd_count = cpu_to_le16(1);
82 	ct_pkt->rsp_dsd_count = cpu_to_le16(1);
83 	ct_pkt->rsp_byte_count = cpu_to_le32(arg->rsp_size);
84 	ct_pkt->cmd_byte_count = cpu_to_le32(arg->req_size);
85 
86 	put_unaligned_le64(arg->req_dma, &ct_pkt->dsd[0].address);
87 	ct_pkt->dsd[0].length = ct_pkt->cmd_byte_count;
88 
89 	put_unaligned_le64(arg->rsp_dma, &ct_pkt->dsd[1].address);
90 	ct_pkt->dsd[1].length = ct_pkt->rsp_byte_count;
91 	ct_pkt->vp_index = vha->vp_idx;
92 
93 	vha->qla_stats.control_requests++;
94 
95 	return (ct_pkt);
96 }
97 
98 /**
99  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
100  * @p: CT request buffer
101  * @cmd: GS command
102  * @rsp_size: response size in bytes
103  *
104  * Returns a pointer to the intitialized @ct_req.
105  */
106 static inline struct ct_sns_req *
107 qla2x00_prep_ct_req(struct ct_sns_pkt *p, uint16_t cmd, uint16_t rsp_size)
108 {
109 	memset(p, 0, sizeof(struct ct_sns_pkt));
110 
111 	p->p.req.header.revision = 0x01;
112 	p->p.req.header.gs_type = 0xFC;
113 	p->p.req.header.gs_subtype = 0x02;
114 	p->p.req.command = cpu_to_be16(cmd);
115 	p->p.req.max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
116 
117 	return &p->p.req;
118 }
119 
120 int
121 qla2x00_chk_ms_status(scsi_qla_host_t *vha, ms_iocb_entry_t *ms_pkt,
122     struct ct_sns_rsp *ct_rsp, const char *routine)
123 {
124 	int rval;
125 	uint16_t comp_status;
126 	struct qla_hw_data *ha = vha->hw;
127 	bool lid_is_sns = false;
128 
129 	rval = QLA_FUNCTION_FAILED;
130 	if (ms_pkt->entry_status != 0) {
131 		ql_dbg(ql_dbg_disc, vha, 0x2031,
132 		    "%s failed, error status (%x) on port_id: %02x%02x%02x.\n",
133 		    routine, ms_pkt->entry_status, vha->d_id.b.domain,
134 		    vha->d_id.b.area, vha->d_id.b.al_pa);
135 	} else {
136 		if (IS_FWI2_CAPABLE(ha))
137 			comp_status = le16_to_cpu(
138 			    ((struct ct_entry_24xx *)ms_pkt)->comp_status);
139 		else
140 			comp_status = le16_to_cpu(ms_pkt->status);
141 		switch (comp_status) {
142 		case CS_COMPLETE:
143 		case CS_DATA_UNDERRUN:
144 		case CS_DATA_OVERRUN:		/* Overrun? */
145 			if (ct_rsp->header.response !=
146 			    cpu_to_be16(CT_ACCEPT_RESPONSE)) {
147 				ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2077,
148 				    "%s failed rejected request on port_id: %02x%02x%02x Completion status 0x%x, response 0x%x\n",
149 				    routine, vha->d_id.b.domain,
150 				    vha->d_id.b.area, vha->d_id.b.al_pa,
151 				    comp_status, ct_rsp->header.response);
152 				ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha,
153 				    0x2078, ct_rsp,
154 				    offsetof(typeof(*ct_rsp), rsp));
155 				rval = QLA_INVALID_COMMAND;
156 			} else
157 				rval = QLA_SUCCESS;
158 			break;
159 		case CS_PORT_LOGGED_OUT:
160 			if (IS_FWI2_CAPABLE(ha)) {
161 				if (le16_to_cpu(ms_pkt->loop_id.extended) ==
162 				    NPH_SNS)
163 					lid_is_sns = true;
164 			} else {
165 				if (le16_to_cpu(ms_pkt->loop_id.extended) ==
166 				    SIMPLE_NAME_SERVER)
167 					lid_is_sns = true;
168 			}
169 			if (lid_is_sns) {
170 				ql_dbg(ql_dbg_async, vha, 0x502b,
171 					"%s failed, Name server has logged out",
172 					routine);
173 				rval = QLA_NOT_LOGGED_IN;
174 				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
175 				set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
176 			}
177 			break;
178 		case CS_TIMEOUT:
179 			rval = QLA_FUNCTION_TIMEOUT;
180 			/* fall through */
181 		default:
182 			ql_dbg(ql_dbg_disc, vha, 0x2033,
183 			    "%s failed, completion status (%x) on port_id: "
184 			    "%02x%02x%02x.\n", routine, comp_status,
185 			    vha->d_id.b.domain, vha->d_id.b.area,
186 			    vha->d_id.b.al_pa);
187 			break;
188 		}
189 	}
190 	return rval;
191 }
192 
193 /**
194  * qla2x00_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
195  * @vha: HA context
196  * @fcport: fcport entry to updated
197  *
198  * Returns 0 on success.
199  */
200 int
201 qla2x00_ga_nxt(scsi_qla_host_t *vha, fc_port_t *fcport)
202 {
203 	int		rval;
204 
205 	ms_iocb_entry_t	*ms_pkt;
206 	struct ct_sns_req	*ct_req;
207 	struct ct_sns_rsp	*ct_rsp;
208 	struct qla_hw_data *ha = vha->hw;
209 	struct ct_arg arg;
210 
211 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
212 		return qla2x00_sns_ga_nxt(vha, fcport);
213 
214 	arg.iocb = ha->ms_iocb;
215 	arg.req_dma = ha->ct_sns_dma;
216 	arg.rsp_dma = ha->ct_sns_dma;
217 	arg.req_size = GA_NXT_REQ_SIZE;
218 	arg.rsp_size = GA_NXT_RSP_SIZE;
219 	arg.nport_handle = NPH_SNS;
220 
221 	/* Issue GA_NXT */
222 	/* Prepare common MS IOCB */
223 	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
224 
225 	/* Prepare CT request */
226 	ct_req = qla2x00_prep_ct_req(ha->ct_sns, GA_NXT_CMD,
227 	    GA_NXT_RSP_SIZE);
228 	ct_rsp = &ha->ct_sns->p.rsp;
229 
230 	/* Prepare CT arguments -- port_id */
231 	ct_req->req.port_id.port_id = port_id_to_be_id(fcport->d_id);
232 
233 	/* Execute MS IOCB */
234 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
235 	    sizeof(ms_iocb_entry_t));
236 	if (rval != QLA_SUCCESS) {
237 		/*EMPTY*/
238 		ql_dbg(ql_dbg_disc, vha, 0x2062,
239 		    "GA_NXT issue IOCB failed (%d).\n", rval);
240 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GA_NXT") !=
241 	    QLA_SUCCESS) {
242 		rval = QLA_FUNCTION_FAILED;
243 	} else {
244 		/* Populate fc_port_t entry. */
245 		fcport->d_id = be_to_port_id(ct_rsp->rsp.ga_nxt.port_id);
246 
247 		memcpy(fcport->node_name, ct_rsp->rsp.ga_nxt.node_name,
248 		    WWN_SIZE);
249 		memcpy(fcport->port_name, ct_rsp->rsp.ga_nxt.port_name,
250 		    WWN_SIZE);
251 
252 		fcport->fc4_type = (ct_rsp->rsp.ga_nxt.fc4_types[2] & BIT_0) ?
253 		    FS_FC4TYPE_FCP : FC4_TYPE_OTHER;
254 
255 		if (ct_rsp->rsp.ga_nxt.port_type != NS_N_PORT_TYPE &&
256 		    ct_rsp->rsp.ga_nxt.port_type != NS_NL_PORT_TYPE)
257 			fcport->d_id.b.domain = 0xf0;
258 
259 		ql_dbg(ql_dbg_disc, vha, 0x2063,
260 		    "GA_NXT entry - nn %8phN pn %8phN "
261 		    "port_id=%02x%02x%02x.\n",
262 		    fcport->node_name, fcport->port_name,
263 		    fcport->d_id.b.domain, fcport->d_id.b.area,
264 		    fcport->d_id.b.al_pa);
265 	}
266 
267 	return (rval);
268 }
269 
270 static inline int
271 qla2x00_gid_pt_rsp_size(scsi_qla_host_t *vha)
272 {
273 	return vha->hw->max_fibre_devices * 4 + 16;
274 }
275 
276 /**
277  * qla2x00_gid_pt() - SNS scan for fabric devices via GID_PT command.
278  * @vha: HA context
279  * @list: switch info entries to populate
280  *
281  * NOTE: Non-Nx_Ports are not requested.
282  *
283  * Returns 0 on success.
284  */
285 int
286 qla2x00_gid_pt(scsi_qla_host_t *vha, sw_info_t *list)
287 {
288 	int		rval;
289 	uint16_t	i;
290 
291 	ms_iocb_entry_t	*ms_pkt;
292 	struct ct_sns_req	*ct_req;
293 	struct ct_sns_rsp	*ct_rsp;
294 
295 	struct ct_sns_gid_pt_data *gid_data;
296 	struct qla_hw_data *ha = vha->hw;
297 	uint16_t gid_pt_rsp_size;
298 	struct ct_arg arg;
299 
300 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
301 		return qla2x00_sns_gid_pt(vha, list);
302 
303 	gid_data = NULL;
304 	gid_pt_rsp_size = qla2x00_gid_pt_rsp_size(vha);
305 
306 	arg.iocb = ha->ms_iocb;
307 	arg.req_dma = ha->ct_sns_dma;
308 	arg.rsp_dma = ha->ct_sns_dma;
309 	arg.req_size = GID_PT_REQ_SIZE;
310 	arg.rsp_size = gid_pt_rsp_size;
311 	arg.nport_handle = NPH_SNS;
312 
313 	/* Issue GID_PT */
314 	/* Prepare common MS IOCB */
315 	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
316 
317 	/* Prepare CT request */
318 	ct_req = qla2x00_prep_ct_req(ha->ct_sns, GID_PT_CMD, gid_pt_rsp_size);
319 	ct_rsp = &ha->ct_sns->p.rsp;
320 
321 	/* Prepare CT arguments -- port_type */
322 	ct_req->req.gid_pt.port_type = NS_NX_PORT_TYPE;
323 
324 	/* Execute MS IOCB */
325 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
326 	    sizeof(ms_iocb_entry_t));
327 	if (rval != QLA_SUCCESS) {
328 		/*EMPTY*/
329 		ql_dbg(ql_dbg_disc, vha, 0x2055,
330 		    "GID_PT issue IOCB failed (%d).\n", rval);
331 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GID_PT") !=
332 	    QLA_SUCCESS) {
333 		rval = QLA_FUNCTION_FAILED;
334 	} else {
335 		/* Set port IDs in switch info list. */
336 		for (i = 0; i < ha->max_fibre_devices; i++) {
337 			gid_data = &ct_rsp->rsp.gid_pt.entries[i];
338 			list[i].d_id = be_to_port_id(gid_data->port_id);
339 			memset(list[i].fabric_port_name, 0, WWN_SIZE);
340 			list[i].fp_speed = PORT_SPEED_UNKNOWN;
341 
342 			/* Last one exit. */
343 			if (gid_data->control_byte & BIT_7) {
344 				list[i].d_id.b.rsvd_1 = gid_data->control_byte;
345 				break;
346 			}
347 		}
348 
349 		/*
350 		 * If we've used all available slots, then the switch is
351 		 * reporting back more devices than we can handle with this
352 		 * single call.  Return a failed status, and let GA_NXT handle
353 		 * the overload.
354 		 */
355 		if (i == ha->max_fibre_devices)
356 			rval = QLA_FUNCTION_FAILED;
357 	}
358 
359 	return (rval);
360 }
361 
362 /**
363  * qla2x00_gpn_id() - SNS Get Port Name (GPN_ID) query.
364  * @vha: HA context
365  * @list: switch info entries to populate
366  *
367  * Returns 0 on success.
368  */
369 int
370 qla2x00_gpn_id(scsi_qla_host_t *vha, sw_info_t *list)
371 {
372 	int		rval = QLA_SUCCESS;
373 	uint16_t	i;
374 
375 	ms_iocb_entry_t	*ms_pkt;
376 	struct ct_sns_req	*ct_req;
377 	struct ct_sns_rsp	*ct_rsp;
378 	struct qla_hw_data *ha = vha->hw;
379 	struct ct_arg arg;
380 
381 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
382 		return qla2x00_sns_gpn_id(vha, list);
383 
384 	arg.iocb = ha->ms_iocb;
385 	arg.req_dma = ha->ct_sns_dma;
386 	arg.rsp_dma = ha->ct_sns_dma;
387 	arg.req_size = GPN_ID_REQ_SIZE;
388 	arg.rsp_size = GPN_ID_RSP_SIZE;
389 	arg.nport_handle = NPH_SNS;
390 
391 	for (i = 0; i < ha->max_fibre_devices; i++) {
392 		/* Issue GPN_ID */
393 		/* Prepare common MS IOCB */
394 		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
395 
396 		/* Prepare CT request */
397 		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GPN_ID_CMD,
398 		    GPN_ID_RSP_SIZE);
399 		ct_rsp = &ha->ct_sns->p.rsp;
400 
401 		/* Prepare CT arguments -- port_id */
402 		ct_req->req.port_id.port_id = port_id_to_be_id(list[i].d_id);
403 
404 		/* Execute MS IOCB */
405 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
406 		    sizeof(ms_iocb_entry_t));
407 		if (rval != QLA_SUCCESS) {
408 			/*EMPTY*/
409 			ql_dbg(ql_dbg_disc, vha, 0x2056,
410 			    "GPN_ID issue IOCB failed (%d).\n", rval);
411 			break;
412 		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
413 		    "GPN_ID") != QLA_SUCCESS) {
414 			rval = QLA_FUNCTION_FAILED;
415 			break;
416 		} else {
417 			/* Save portname */
418 			memcpy(list[i].port_name,
419 			    ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
420 		}
421 
422 		/* Last device exit. */
423 		if (list[i].d_id.b.rsvd_1 != 0)
424 			break;
425 	}
426 
427 	return (rval);
428 }
429 
430 /**
431  * qla2x00_gnn_id() - SNS Get Node Name (GNN_ID) query.
432  * @vha: HA context
433  * @list: switch info entries to populate
434  *
435  * Returns 0 on success.
436  */
437 int
438 qla2x00_gnn_id(scsi_qla_host_t *vha, sw_info_t *list)
439 {
440 	int		rval = QLA_SUCCESS;
441 	uint16_t	i;
442 	struct qla_hw_data *ha = vha->hw;
443 	ms_iocb_entry_t	*ms_pkt;
444 	struct ct_sns_req	*ct_req;
445 	struct ct_sns_rsp	*ct_rsp;
446 	struct ct_arg arg;
447 
448 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
449 		return qla2x00_sns_gnn_id(vha, list);
450 
451 	arg.iocb = ha->ms_iocb;
452 	arg.req_dma = ha->ct_sns_dma;
453 	arg.rsp_dma = ha->ct_sns_dma;
454 	arg.req_size = GNN_ID_REQ_SIZE;
455 	arg.rsp_size = GNN_ID_RSP_SIZE;
456 	arg.nport_handle = NPH_SNS;
457 
458 	for (i = 0; i < ha->max_fibre_devices; i++) {
459 		/* Issue GNN_ID */
460 		/* Prepare common MS IOCB */
461 		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
462 
463 		/* Prepare CT request */
464 		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GNN_ID_CMD,
465 		    GNN_ID_RSP_SIZE);
466 		ct_rsp = &ha->ct_sns->p.rsp;
467 
468 		/* Prepare CT arguments -- port_id */
469 		ct_req->req.port_id.port_id = port_id_to_be_id(list[i].d_id);
470 
471 		/* Execute MS IOCB */
472 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
473 		    sizeof(ms_iocb_entry_t));
474 		if (rval != QLA_SUCCESS) {
475 			/*EMPTY*/
476 			ql_dbg(ql_dbg_disc, vha, 0x2057,
477 			    "GNN_ID issue IOCB failed (%d).\n", rval);
478 			break;
479 		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
480 		    "GNN_ID") != QLA_SUCCESS) {
481 			rval = QLA_FUNCTION_FAILED;
482 			break;
483 		} else {
484 			/* Save nodename */
485 			memcpy(list[i].node_name,
486 			    ct_rsp->rsp.gnn_id.node_name, WWN_SIZE);
487 
488 			ql_dbg(ql_dbg_disc, vha, 0x2058,
489 			    "GID_PT entry - nn %8phN pn %8phN "
490 			    "portid=%02x%02x%02x.\n",
491 			    list[i].node_name, list[i].port_name,
492 			    list[i].d_id.b.domain, list[i].d_id.b.area,
493 			    list[i].d_id.b.al_pa);
494 		}
495 
496 		/* Last device exit. */
497 		if (list[i].d_id.b.rsvd_1 != 0)
498 			break;
499 	}
500 
501 	return (rval);
502 }
503 
504 static void qla2x00_async_sns_sp_done(srb_t *sp, int rc)
505 {
506 	struct scsi_qla_host *vha = sp->vha;
507 	struct ct_sns_pkt *ct_sns;
508 	struct qla_work_evt *e;
509 
510 	sp->rc = rc;
511 	if (rc == QLA_SUCCESS) {
512 		ql_dbg(ql_dbg_disc, vha, 0x204f,
513 		    "Async done-%s exiting normally.\n",
514 		    sp->name);
515 	} else if (rc == QLA_FUNCTION_TIMEOUT) {
516 		ql_dbg(ql_dbg_disc, vha, 0x204f,
517 		    "Async done-%s timeout\n", sp->name);
518 	} else {
519 		ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
520 		memset(ct_sns, 0, sizeof(*ct_sns));
521 		sp->retry_count++;
522 		if (sp->retry_count > 3)
523 			goto err;
524 
525 		ql_dbg(ql_dbg_disc, vha, 0x204f,
526 		    "Async done-%s fail rc %x.  Retry count %d\n",
527 		    sp->name, rc, sp->retry_count);
528 
529 		e = qla2x00_alloc_work(vha, QLA_EVT_SP_RETRY);
530 		if (!e)
531 			goto err2;
532 
533 		del_timer(&sp->u.iocb_cmd.timer);
534 		e->u.iosb.sp = sp;
535 		qla2x00_post_work(vha, e);
536 		return;
537 	}
538 
539 err:
540 	e = qla2x00_alloc_work(vha, QLA_EVT_UNMAP);
541 err2:
542 	if (!e) {
543 		/* please ignore kernel warning. otherwise, we have mem leak. */
544 		if (sp->u.iocb_cmd.u.ctarg.req) {
545 			dma_free_coherent(&vha->hw->pdev->dev,
546 			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
547 			    sp->u.iocb_cmd.u.ctarg.req,
548 			    sp->u.iocb_cmd.u.ctarg.req_dma);
549 			sp->u.iocb_cmd.u.ctarg.req = NULL;
550 		}
551 
552 		if (sp->u.iocb_cmd.u.ctarg.rsp) {
553 			dma_free_coherent(&vha->hw->pdev->dev,
554 			    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
555 			    sp->u.iocb_cmd.u.ctarg.rsp,
556 			    sp->u.iocb_cmd.u.ctarg.rsp_dma);
557 			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
558 		}
559 
560 		sp->free(sp);
561 
562 		return;
563 	}
564 
565 	e->u.iosb.sp = sp;
566 	qla2x00_post_work(vha, e);
567 }
568 
569 /**
570  * qla2x00_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
571  * @vha: HA context
572  *
573  * Returns 0 on success.
574  */
575 int
576 qla2x00_rft_id(scsi_qla_host_t *vha)
577 {
578 	struct qla_hw_data *ha = vha->hw;
579 
580 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
581 		return qla2x00_sns_rft_id(vha);
582 
583 	return qla_async_rftid(vha, &vha->d_id);
584 }
585 
586 static int qla_async_rftid(scsi_qla_host_t *vha, port_id_t *d_id)
587 {
588 	int rval = QLA_MEMORY_ALLOC_FAILED;
589 	struct ct_sns_req *ct_req;
590 	srb_t *sp;
591 	struct ct_sns_pkt *ct_sns;
592 
593 	if (!vha->flags.online)
594 		goto done;
595 
596 	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
597 	if (!sp)
598 		goto done;
599 
600 	sp->type = SRB_CT_PTHRU_CMD;
601 	sp->name = "rft_id";
602 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
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)
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 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
643 	sp->done = qla2x00_async_sns_sp_done;
644 
645 	ql_dbg(ql_dbg_disc, vha, 0xffff,
646 	    "Async-%s - hdl=%x portid %06x.\n",
647 	    sp->name, sp->handle, d_id->b24);
648 
649 	rval = qla2x00_start_sp(sp);
650 	if (rval != QLA_SUCCESS) {
651 		ql_dbg(ql_dbg_disc, vha, 0x2043,
652 		    "RFT_ID issue IOCB failed (%d).\n", rval);
653 		goto done_free_sp;
654 	}
655 	return rval;
656 done_free_sp:
657 	sp->free(sp);
658 done:
659 	return rval;
660 }
661 
662 /**
663  * qla2x00_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the HBA.
664  * @vha: HA context
665  * @type: not used
666  *
667  * Returns 0 on success.
668  */
669 int
670 qla2x00_rff_id(scsi_qla_host_t *vha, u8 type)
671 {
672 	struct qla_hw_data *ha = vha->hw;
673 
674 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
675 		ql_dbg(ql_dbg_disc, vha, 0x2046,
676 		    "RFF_ID call not supported on ISP2100/ISP2200.\n");
677 		return (QLA_SUCCESS);
678 	}
679 
680 	return qla_async_rffid(vha, &vha->d_id, qlt_rff_id(vha),
681 	    FC4_TYPE_FCP_SCSI);
682 }
683 
684 static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id,
685     u8 fc4feature, u8 fc4type)
686 {
687 	int rval = QLA_MEMORY_ALLOC_FAILED;
688 	struct ct_sns_req *ct_req;
689 	srb_t *sp;
690 	struct ct_sns_pkt *ct_sns;
691 
692 	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
693 	if (!sp)
694 		goto done;
695 
696 	sp->type = SRB_CT_PTHRU_CMD;
697 	sp->name = "rff_id";
698 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
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 */
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 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
737 	sp->done = qla2x00_async_sns_sp_done;
738 
739 	ql_dbg(ql_dbg_disc, vha, 0xffff,
740 	    "Async-%s - hdl=%x portid %06x feature %x type %x.\n",
741 	    sp->name, sp->handle, d_id->b24, fc4feature, fc4type);
742 
743 	rval = qla2x00_start_sp(sp);
744 	if (rval != QLA_SUCCESS) {
745 		ql_dbg(ql_dbg_disc, vha, 0x2047,
746 		    "RFF_ID issue IOCB failed (%d).\n", rval);
747 		goto done_free_sp;
748 	}
749 
750 	return rval;
751 
752 done_free_sp:
753 	sp->free(sp);
754 done:
755 	return rval;
756 }
757 
758 /**
759  * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
760  * @vha: HA context
761  *
762  * Returns 0 on success.
763  */
764 int
765 qla2x00_rnn_id(scsi_qla_host_t *vha)
766 {
767 	struct qla_hw_data *ha = vha->hw;
768 
769 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
770 		return qla2x00_sns_rnn_id(vha);
771 
772 	return  qla_async_rnnid(vha, &vha->d_id, vha->node_name);
773 }
774 
775 static int qla_async_rnnid(scsi_qla_host_t *vha, port_id_t *d_id,
776 	u8 *node_name)
777 {
778 	int rval = QLA_MEMORY_ALLOC_FAILED;
779 	struct ct_sns_req *ct_req;
780 	srb_t *sp;
781 	struct ct_sns_pkt *ct_sns;
782 
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_timer(sp, qla2x00_get_async_timeout(vha) + 2);
790 
791 	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
792 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
793 	    GFP_KERNEL);
794 	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
795 	if (!sp->u.iocb_cmd.u.ctarg.req) {
796 		ql_log(ql_log_warn, vha, 0xd041,
797 		    "%s: Failed to allocate ct_sns request.\n",
798 		    __func__);
799 		goto done_free_sp;
800 	}
801 
802 	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
803 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
804 	    GFP_KERNEL);
805 	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
806 	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
807 		ql_log(ql_log_warn, vha, 0xd042,
808 		    "%s: Failed to allocate ct_sns request.\n",
809 		    __func__);
810 		goto done_free_sp;
811 	}
812 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
813 	memset(ct_sns, 0, sizeof(*ct_sns));
814 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
815 
816 	/* Prepare CT request */
817 	ct_req = qla2x00_prep_ct_req(ct_sns, RNN_ID_CMD, RNN_ID_RSP_SIZE);
818 
819 	/* Prepare CT arguments -- port_id, node_name */
820 	ct_req->req.rnn_id.port_id = port_id_to_be_id(vha->d_id);
821 	memcpy(ct_req->req.rnn_id.node_name, vha->node_name, WWN_SIZE);
822 
823 	sp->u.iocb_cmd.u.ctarg.req_size = RNN_ID_REQ_SIZE;
824 	sp->u.iocb_cmd.u.ctarg.rsp_size = RNN_ID_RSP_SIZE;
825 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
826 
827 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
828 	sp->done = qla2x00_async_sns_sp_done;
829 
830 	ql_dbg(ql_dbg_disc, vha, 0xffff,
831 	    "Async-%s - hdl=%x portid %06x\n",
832 	    sp->name, sp->handle, d_id->b24);
833 
834 	rval = qla2x00_start_sp(sp);
835 	if (rval != QLA_SUCCESS) {
836 		ql_dbg(ql_dbg_disc, vha, 0x204d,
837 		    "RNN_ID issue IOCB failed (%d).\n", rval);
838 		goto done_free_sp;
839 	}
840 
841 	return rval;
842 
843 done_free_sp:
844 	sp->free(sp);
845 done:
846 	return rval;
847 }
848 
849 size_t
850 qla2x00_get_sym_node_name(scsi_qla_host_t *vha, uint8_t *snn, size_t size)
851 {
852 	struct qla_hw_data *ha = vha->hw;
853 
854 	if (IS_QLAFX00(ha))
855 		return scnprintf(snn, size, "%s FW:v%s DVR:v%s",
856 		    ha->model_number, ha->mr.fw_version, qla2x00_version_str);
857 
858 	return scnprintf(snn, size, "%s FW:v%d.%02d.%02d DVR:v%s",
859 	    ha->model_number, ha->fw_major_version, ha->fw_minor_version,
860 	    ha->fw_subminor_version, qla2x00_version_str);
861 }
862 
863 /**
864  * qla2x00_rsnn_nn() - SNS Register Symbolic Node Name (RSNN_NN) of the HBA.
865  * @vha: HA context
866  *
867  * Returns 0 on success.
868  */
869 int
870 qla2x00_rsnn_nn(scsi_qla_host_t *vha)
871 {
872 	struct qla_hw_data *ha = vha->hw;
873 
874 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
875 		ql_dbg(ql_dbg_disc, vha, 0x2050,
876 		    "RSNN_ID call unsupported on ISP2100/ISP2200.\n");
877 		return (QLA_SUCCESS);
878 	}
879 
880 	return qla_async_rsnn_nn(vha);
881 }
882 
883 static int qla_async_rsnn_nn(scsi_qla_host_t *vha)
884 {
885 	int rval = QLA_MEMORY_ALLOC_FAILED;
886 	struct ct_sns_req *ct_req;
887 	srb_t *sp;
888 	struct ct_sns_pkt *ct_sns;
889 
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_timer(sp, qla2x00_get_async_timeout(vha) + 2);
897 
898 	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
899 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
900 	    GFP_KERNEL);
901 	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
902 	if (!sp->u.iocb_cmd.u.ctarg.req) {
903 		ql_log(ql_log_warn, vha, 0xd041,
904 		    "%s: Failed to allocate ct_sns request.\n",
905 		    __func__);
906 		goto done_free_sp;
907 	}
908 
909 	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
910 	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
911 	    GFP_KERNEL);
912 	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
913 	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
914 		ql_log(ql_log_warn, vha, 0xd042,
915 		    "%s: Failed to allocate ct_sns request.\n",
916 		    __func__);
917 		goto done_free_sp;
918 	}
919 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
920 	memset(ct_sns, 0, sizeof(*ct_sns));
921 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
922 
923 	/* Prepare CT request */
924 	ct_req = qla2x00_prep_ct_req(ct_sns, RSNN_NN_CMD, RSNN_NN_RSP_SIZE);
925 
926 	/* Prepare CT arguments -- node_name, symbolic node_name, size */
927 	memcpy(ct_req->req.rsnn_nn.node_name, vha->node_name, WWN_SIZE);
928 
929 	/* Prepare the Symbolic Node Name */
930 	qla2x00_get_sym_node_name(vha, ct_req->req.rsnn_nn.sym_node_name,
931 	    sizeof(ct_req->req.rsnn_nn.sym_node_name));
932 	ct_req->req.rsnn_nn.name_len =
933 	    (uint8_t)strlen(ct_req->req.rsnn_nn.sym_node_name);
934 
935 
936 	sp->u.iocb_cmd.u.ctarg.req_size = 24 + 1 + ct_req->req.rsnn_nn.name_len;
937 	sp->u.iocb_cmd.u.ctarg.rsp_size = RSNN_NN_RSP_SIZE;
938 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
939 
940 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
941 	sp->done = qla2x00_async_sns_sp_done;
942 
943 	ql_dbg(ql_dbg_disc, vha, 0xffff,
944 	    "Async-%s - hdl=%x.\n",
945 	    sp->name, sp->handle);
946 
947 	rval = qla2x00_start_sp(sp);
948 	if (rval != QLA_SUCCESS) {
949 		ql_dbg(ql_dbg_disc, vha, 0x2043,
950 		    "RFT_ID issue IOCB failed (%d).\n", rval);
951 		goto done_free_sp;
952 	}
953 
954 	return rval;
955 
956 done_free_sp:
957 	sp->free(sp);
958 done:
959 	return rval;
960 }
961 
962 /**
963  * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
964  * @vha: HA context
965  * @cmd: GS command
966  * @scmd_len: Subcommand length
967  * @data_size: response size in bytes
968  *
969  * Returns a pointer to the @ha's sns_cmd.
970  */
971 static inline struct sns_cmd_pkt *
972 qla2x00_prep_sns_cmd(scsi_qla_host_t *vha, uint16_t cmd, uint16_t scmd_len,
973     uint16_t data_size)
974 {
975 	uint16_t		wc;
976 	struct sns_cmd_pkt	*sns_cmd;
977 	struct qla_hw_data *ha = vha->hw;
978 
979 	sns_cmd = ha->sns_cmd;
980 	memset(sns_cmd, 0, sizeof(struct sns_cmd_pkt));
981 	wc = data_size / 2;			/* Size in 16bit words. */
982 	sns_cmd->p.cmd.buffer_length = cpu_to_le16(wc);
983 	put_unaligned_le64(ha->sns_cmd_dma, &sns_cmd->p.cmd.buffer_address);
984 	sns_cmd->p.cmd.subcommand_length = cpu_to_le16(scmd_len);
985 	sns_cmd->p.cmd.subcommand = cpu_to_le16(cmd);
986 	wc = (data_size - 16) / 4;		/* Size in 32bit words. */
987 	sns_cmd->p.cmd.size = cpu_to_le16(wc);
988 
989 	vha->qla_stats.control_requests++;
990 
991 	return (sns_cmd);
992 }
993 
994 /**
995  * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
996  * @vha: HA context
997  * @fcport: fcport entry to updated
998  *
999  * This command uses the old Exectute SNS Command mailbox routine.
1000  *
1001  * Returns 0 on success.
1002  */
1003 static int
1004 qla2x00_sns_ga_nxt(scsi_qla_host_t *vha, fc_port_t *fcport)
1005 {
1006 	int		rval = QLA_SUCCESS;
1007 	struct qla_hw_data *ha = vha->hw;
1008 	struct sns_cmd_pkt	*sns_cmd;
1009 
1010 	/* Issue GA_NXT. */
1011 	/* Prepare SNS command request. */
1012 	sns_cmd = qla2x00_prep_sns_cmd(vha, GA_NXT_CMD, GA_NXT_SNS_SCMD_LEN,
1013 	    GA_NXT_SNS_DATA_SIZE);
1014 
1015 	/* Prepare SNS command arguments -- port_id. */
1016 	sns_cmd->p.cmd.param[0] = fcport->d_id.b.al_pa;
1017 	sns_cmd->p.cmd.param[1] = fcport->d_id.b.area;
1018 	sns_cmd->p.cmd.param[2] = fcport->d_id.b.domain;
1019 
1020 	/* Execute SNS command. */
1021 	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, GA_NXT_SNS_CMD_SIZE / 2,
1022 	    sizeof(struct sns_cmd_pkt));
1023 	if (rval != QLA_SUCCESS) {
1024 		/*EMPTY*/
1025 		ql_dbg(ql_dbg_disc, vha, 0x205f,
1026 		    "GA_NXT Send SNS failed (%d).\n", rval);
1027 	} else if (sns_cmd->p.gan_data[8] != 0x80 ||
1028 	    sns_cmd->p.gan_data[9] != 0x02) {
1029 		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2084,
1030 		    "GA_NXT failed, rejected request ga_nxt_rsp:\n");
1031 		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2074,
1032 		    sns_cmd->p.gan_data, 16);
1033 		rval = QLA_FUNCTION_FAILED;
1034 	} else {
1035 		/* Populate fc_port_t entry. */
1036 		fcport->d_id.b.domain = sns_cmd->p.gan_data[17];
1037 		fcport->d_id.b.area = sns_cmd->p.gan_data[18];
1038 		fcport->d_id.b.al_pa = sns_cmd->p.gan_data[19];
1039 
1040 		memcpy(fcport->node_name, &sns_cmd->p.gan_data[284], WWN_SIZE);
1041 		memcpy(fcport->port_name, &sns_cmd->p.gan_data[20], WWN_SIZE);
1042 
1043 		if (sns_cmd->p.gan_data[16] != NS_N_PORT_TYPE &&
1044 		    sns_cmd->p.gan_data[16] != NS_NL_PORT_TYPE)
1045 			fcport->d_id.b.domain = 0xf0;
1046 
1047 		ql_dbg(ql_dbg_disc, vha, 0x2061,
1048 		    "GA_NXT entry - nn %8phN pn %8phN "
1049 		    "port_id=%02x%02x%02x.\n",
1050 		    fcport->node_name, fcport->port_name,
1051 		    fcport->d_id.b.domain, fcport->d_id.b.area,
1052 		    fcport->d_id.b.al_pa);
1053 	}
1054 
1055 	return (rval);
1056 }
1057 
1058 /**
1059  * qla2x00_sns_gid_pt() - SNS scan for fabric devices via GID_PT command.
1060  * @vha: HA context
1061  * @list: switch info entries to populate
1062  *
1063  * This command uses the old Exectute SNS Command mailbox routine.
1064  *
1065  * NOTE: Non-Nx_Ports are not requested.
1066  *
1067  * Returns 0 on success.
1068  */
1069 static int
1070 qla2x00_sns_gid_pt(scsi_qla_host_t *vha, sw_info_t *list)
1071 {
1072 	int		rval;
1073 	struct qla_hw_data *ha = vha->hw;
1074 	uint16_t	i;
1075 	uint8_t		*entry;
1076 	struct sns_cmd_pkt	*sns_cmd;
1077 	uint16_t gid_pt_sns_data_size;
1078 
1079 	gid_pt_sns_data_size = qla2x00_gid_pt_rsp_size(vha);
1080 
1081 	/* Issue GID_PT. */
1082 	/* Prepare SNS command request. */
1083 	sns_cmd = qla2x00_prep_sns_cmd(vha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN,
1084 	    gid_pt_sns_data_size);
1085 
1086 	/* Prepare SNS command arguments -- port_type. */
1087 	sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE;
1088 
1089 	/* Execute SNS command. */
1090 	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, GID_PT_SNS_CMD_SIZE / 2,
1091 	    sizeof(struct sns_cmd_pkt));
1092 	if (rval != QLA_SUCCESS) {
1093 		/*EMPTY*/
1094 		ql_dbg(ql_dbg_disc, vha, 0x206d,
1095 		    "GID_PT Send SNS failed (%d).\n", rval);
1096 	} else if (sns_cmd->p.gid_data[8] != 0x80 ||
1097 	    sns_cmd->p.gid_data[9] != 0x02) {
1098 		ql_dbg(ql_dbg_disc, vha, 0x202f,
1099 		    "GID_PT failed, rejected request, gid_rsp:\n");
1100 		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2081,
1101 		    sns_cmd->p.gid_data, 16);
1102 		rval = QLA_FUNCTION_FAILED;
1103 	} else {
1104 		/* Set port IDs in switch info list. */
1105 		for (i = 0; i < ha->max_fibre_devices; i++) {
1106 			entry = &sns_cmd->p.gid_data[(i * 4) + 16];
1107 			list[i].d_id.b.domain = entry[1];
1108 			list[i].d_id.b.area = entry[2];
1109 			list[i].d_id.b.al_pa = entry[3];
1110 
1111 			/* Last one exit. */
1112 			if (entry[0] & BIT_7) {
1113 				list[i].d_id.b.rsvd_1 = entry[0];
1114 				break;
1115 			}
1116 		}
1117 
1118 		/*
1119 		 * If we've used all available slots, then the switch is
1120 		 * reporting back more devices that we can handle with this
1121 		 * single call.  Return a failed status, and let GA_NXT handle
1122 		 * the overload.
1123 		 */
1124 		if (i == ha->max_fibre_devices)
1125 			rval = QLA_FUNCTION_FAILED;
1126 	}
1127 
1128 	return (rval);
1129 }
1130 
1131 /**
1132  * qla2x00_sns_gpn_id() - SNS Get Port Name (GPN_ID) query.
1133  * @vha: HA context
1134  * @list: switch info entries to populate
1135  *
1136  * This command uses the old Exectute SNS Command mailbox routine.
1137  *
1138  * Returns 0 on success.
1139  */
1140 static int
1141 qla2x00_sns_gpn_id(scsi_qla_host_t *vha, sw_info_t *list)
1142 {
1143 	int		rval = QLA_SUCCESS;
1144 	struct qla_hw_data *ha = vha->hw;
1145 	uint16_t	i;
1146 	struct sns_cmd_pkt	*sns_cmd;
1147 
1148 	for (i = 0; i < ha->max_fibre_devices; i++) {
1149 		/* Issue GPN_ID */
1150 		/* Prepare SNS command request. */
1151 		sns_cmd = qla2x00_prep_sns_cmd(vha, GPN_ID_CMD,
1152 		    GPN_ID_SNS_SCMD_LEN, GPN_ID_SNS_DATA_SIZE);
1153 
1154 		/* Prepare SNS command arguments -- port_id. */
1155 		sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
1156 		sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
1157 		sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
1158 
1159 		/* Execute SNS command. */
1160 		rval = qla2x00_send_sns(vha, ha->sns_cmd_dma,
1161 		    GPN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
1162 		if (rval != QLA_SUCCESS) {
1163 			/*EMPTY*/
1164 			ql_dbg(ql_dbg_disc, vha, 0x2032,
1165 			    "GPN_ID Send SNS failed (%d).\n", rval);
1166 		} else if (sns_cmd->p.gpn_data[8] != 0x80 ||
1167 		    sns_cmd->p.gpn_data[9] != 0x02) {
1168 			ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x207e,
1169 			    "GPN_ID failed, rejected request, gpn_rsp:\n");
1170 			ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x207f,
1171 			    sns_cmd->p.gpn_data, 16);
1172 			rval = QLA_FUNCTION_FAILED;
1173 		} else {
1174 			/* Save portname */
1175 			memcpy(list[i].port_name, &sns_cmd->p.gpn_data[16],
1176 			    WWN_SIZE);
1177 		}
1178 
1179 		/* Last device exit. */
1180 		if (list[i].d_id.b.rsvd_1 != 0)
1181 			break;
1182 	}
1183 
1184 	return (rval);
1185 }
1186 
1187 /**
1188  * qla2x00_sns_gnn_id() - SNS Get Node Name (GNN_ID) query.
1189  * @vha: HA context
1190  * @list: switch info entries to populate
1191  *
1192  * This command uses the old Exectute SNS Command mailbox routine.
1193  *
1194  * Returns 0 on success.
1195  */
1196 static int
1197 qla2x00_sns_gnn_id(scsi_qla_host_t *vha, sw_info_t *list)
1198 {
1199 	int		rval = QLA_SUCCESS;
1200 	struct qla_hw_data *ha = vha->hw;
1201 	uint16_t	i;
1202 	struct sns_cmd_pkt	*sns_cmd;
1203 
1204 	for (i = 0; i < ha->max_fibre_devices; i++) {
1205 		/* Issue GNN_ID */
1206 		/* Prepare SNS command request. */
1207 		sns_cmd = qla2x00_prep_sns_cmd(vha, GNN_ID_CMD,
1208 		    GNN_ID_SNS_SCMD_LEN, GNN_ID_SNS_DATA_SIZE);
1209 
1210 		/* Prepare SNS command arguments -- port_id. */
1211 		sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
1212 		sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
1213 		sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
1214 
1215 		/* Execute SNS command. */
1216 		rval = qla2x00_send_sns(vha, ha->sns_cmd_dma,
1217 		    GNN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
1218 		if (rval != QLA_SUCCESS) {
1219 			/*EMPTY*/
1220 			ql_dbg(ql_dbg_disc, vha, 0x203f,
1221 			    "GNN_ID Send SNS failed (%d).\n", rval);
1222 		} else if (sns_cmd->p.gnn_data[8] != 0x80 ||
1223 		    sns_cmd->p.gnn_data[9] != 0x02) {
1224 			ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2082,
1225 			    "GNN_ID failed, rejected request, gnn_rsp:\n");
1226 			ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x207a,
1227 			    sns_cmd->p.gnn_data, 16);
1228 			rval = QLA_FUNCTION_FAILED;
1229 		} else {
1230 			/* Save nodename */
1231 			memcpy(list[i].node_name, &sns_cmd->p.gnn_data[16],
1232 			    WWN_SIZE);
1233 
1234 			ql_dbg(ql_dbg_disc, vha, 0x206e,
1235 			    "GID_PT entry - nn %8phN pn %8phN "
1236 			    "port_id=%02x%02x%02x.\n",
1237 			    list[i].node_name, list[i].port_name,
1238 			    list[i].d_id.b.domain, list[i].d_id.b.area,
1239 			    list[i].d_id.b.al_pa);
1240 		}
1241 
1242 		/* Last device exit. */
1243 		if (list[i].d_id.b.rsvd_1 != 0)
1244 			break;
1245 	}
1246 
1247 	return (rval);
1248 }
1249 
1250 /**
1251  * qla2x00_snd_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
1252  * @vha: HA context
1253  *
1254  * This command uses the old Exectute SNS Command mailbox routine.
1255  *
1256  * Returns 0 on success.
1257  */
1258 static int
1259 qla2x00_sns_rft_id(scsi_qla_host_t *vha)
1260 {
1261 	int		rval;
1262 	struct qla_hw_data *ha = vha->hw;
1263 	struct sns_cmd_pkt	*sns_cmd;
1264 
1265 	/* Issue RFT_ID. */
1266 	/* Prepare SNS command request. */
1267 	sns_cmd = qla2x00_prep_sns_cmd(vha, RFT_ID_CMD, RFT_ID_SNS_SCMD_LEN,
1268 	    RFT_ID_SNS_DATA_SIZE);
1269 
1270 	/* Prepare SNS command arguments -- port_id, FC-4 types */
1271 	sns_cmd->p.cmd.param[0] = vha->d_id.b.al_pa;
1272 	sns_cmd->p.cmd.param[1] = vha->d_id.b.area;
1273 	sns_cmd->p.cmd.param[2] = vha->d_id.b.domain;
1274 
1275 	sns_cmd->p.cmd.param[5] = 0x01;			/* FCP-3 */
1276 
1277 	/* Execute SNS command. */
1278 	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, RFT_ID_SNS_CMD_SIZE / 2,
1279 	    sizeof(struct sns_cmd_pkt));
1280 	if (rval != QLA_SUCCESS) {
1281 		/*EMPTY*/
1282 		ql_dbg(ql_dbg_disc, vha, 0x2060,
1283 		    "RFT_ID Send SNS failed (%d).\n", rval);
1284 	} else if (sns_cmd->p.rft_data[8] != 0x80 ||
1285 	    sns_cmd->p.rft_data[9] != 0x02) {
1286 		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2083,
1287 		    "RFT_ID failed, rejected request rft_rsp:\n");
1288 		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2080,
1289 		    sns_cmd->p.rft_data, 16);
1290 		rval = QLA_FUNCTION_FAILED;
1291 	} else {
1292 		ql_dbg(ql_dbg_disc, vha, 0x2073,
1293 		    "RFT_ID exiting normally.\n");
1294 	}
1295 
1296 	return (rval);
1297 }
1298 
1299 /**
1300  * qla2x00_sns_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
1301  * @vha: HA context
1302  *
1303  * This command uses the old Exectute SNS Command mailbox routine.
1304  *
1305  * Returns 0 on success.
1306  */
1307 static int
1308 qla2x00_sns_rnn_id(scsi_qla_host_t *vha)
1309 {
1310 	int		rval;
1311 	struct qla_hw_data *ha = vha->hw;
1312 	struct sns_cmd_pkt	*sns_cmd;
1313 
1314 	/* Issue RNN_ID. */
1315 	/* Prepare SNS command request. */
1316 	sns_cmd = qla2x00_prep_sns_cmd(vha, RNN_ID_CMD, RNN_ID_SNS_SCMD_LEN,
1317 	    RNN_ID_SNS_DATA_SIZE);
1318 
1319 	/* Prepare SNS command arguments -- port_id, nodename. */
1320 	sns_cmd->p.cmd.param[0] = vha->d_id.b.al_pa;
1321 	sns_cmd->p.cmd.param[1] = vha->d_id.b.area;
1322 	sns_cmd->p.cmd.param[2] = vha->d_id.b.domain;
1323 
1324 	sns_cmd->p.cmd.param[4] = vha->node_name[7];
1325 	sns_cmd->p.cmd.param[5] = vha->node_name[6];
1326 	sns_cmd->p.cmd.param[6] = vha->node_name[5];
1327 	sns_cmd->p.cmd.param[7] = vha->node_name[4];
1328 	sns_cmd->p.cmd.param[8] = vha->node_name[3];
1329 	sns_cmd->p.cmd.param[9] = vha->node_name[2];
1330 	sns_cmd->p.cmd.param[10] = vha->node_name[1];
1331 	sns_cmd->p.cmd.param[11] = vha->node_name[0];
1332 
1333 	/* Execute SNS command. */
1334 	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, RNN_ID_SNS_CMD_SIZE / 2,
1335 	    sizeof(struct sns_cmd_pkt));
1336 	if (rval != QLA_SUCCESS) {
1337 		/*EMPTY*/
1338 		ql_dbg(ql_dbg_disc, vha, 0x204a,
1339 		    "RNN_ID Send SNS failed (%d).\n", rval);
1340 	} else if (sns_cmd->p.rnn_data[8] != 0x80 ||
1341 	    sns_cmd->p.rnn_data[9] != 0x02) {
1342 		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x207b,
1343 		    "RNN_ID failed, rejected request, rnn_rsp:\n");
1344 		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x207c,
1345 		    sns_cmd->p.rnn_data, 16);
1346 		rval = QLA_FUNCTION_FAILED;
1347 	} else {
1348 		ql_dbg(ql_dbg_disc, vha, 0x204c,
1349 		    "RNN_ID exiting normally.\n");
1350 	}
1351 
1352 	return (rval);
1353 }
1354 
1355 /**
1356  * qla2x00_mgmt_svr_login() - Login to fabric Management Service.
1357  * @vha: HA context
1358  *
1359  * Returns 0 on success.
1360  */
1361 int
1362 qla2x00_mgmt_svr_login(scsi_qla_host_t *vha)
1363 {
1364 	int ret, rval;
1365 	uint16_t mb[MAILBOX_REGISTER_COUNT];
1366 	struct qla_hw_data *ha = vha->hw;
1367 
1368 	ret = QLA_SUCCESS;
1369 	if (vha->flags.management_server_logged_in)
1370 		return ret;
1371 
1372 	rval = ha->isp_ops->fabric_login(vha, vha->mgmt_svr_loop_id, 0xff, 0xff,
1373 	    0xfa, mb, BIT_1);
1374 	if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
1375 		if (rval == QLA_MEMORY_ALLOC_FAILED)
1376 			ql_dbg(ql_dbg_disc, vha, 0x2085,
1377 			    "Failed management_server login: loopid=%x "
1378 			    "rval=%d\n", vha->mgmt_svr_loop_id, rval);
1379 		else
1380 			ql_dbg(ql_dbg_disc, vha, 0x2024,
1381 			    "Failed management_server login: loopid=%x "
1382 			    "mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x.\n",
1383 			    vha->mgmt_svr_loop_id, mb[0], mb[1], mb[2], mb[6],
1384 			    mb[7]);
1385 		ret = QLA_FUNCTION_FAILED;
1386 	} else
1387 		vha->flags.management_server_logged_in = 1;
1388 
1389 	return ret;
1390 }
1391 
1392 /**
1393  * qla2x00_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1394  * @vha: HA context
1395  * @req_size: request size in bytes
1396  * @rsp_size: response size in bytes
1397  *
1398  * Returns a pointer to the @ha's ms_iocb.
1399  */
1400 void *
1401 qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size,
1402     uint32_t rsp_size)
1403 {
1404 	ms_iocb_entry_t *ms_pkt;
1405 	struct qla_hw_data *ha = vha->hw;
1406 
1407 	ms_pkt = ha->ms_iocb;
1408 	memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
1409 
1410 	ms_pkt->entry_type = MS_IOCB_TYPE;
1411 	ms_pkt->entry_count = 1;
1412 	SET_TARGET_ID(ha, ms_pkt->loop_id, vha->mgmt_svr_loop_id);
1413 	ms_pkt->control_flags = cpu_to_le16(CF_READ | CF_HEAD_TAG);
1414 	ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1415 	ms_pkt->cmd_dsd_count = cpu_to_le16(1);
1416 	ms_pkt->total_dsd_count = cpu_to_le16(2);
1417 	ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
1418 	ms_pkt->req_bytecount = cpu_to_le32(req_size);
1419 
1420 	put_unaligned_le64(ha->ct_sns_dma, &ms_pkt->req_dsd.address);
1421 	ms_pkt->req_dsd.length = ms_pkt->req_bytecount;
1422 
1423 	put_unaligned_le64(ha->ct_sns_dma, &ms_pkt->rsp_dsd.address);
1424 	ms_pkt->rsp_dsd.length = ms_pkt->rsp_bytecount;
1425 
1426 	return ms_pkt;
1427 }
1428 
1429 /**
1430  * qla24xx_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1431  * @vha: HA context
1432  * @req_size: request size in bytes
1433  * @rsp_size: response size in bytes
1434  *
1435  * Returns a pointer to the @ha's ms_iocb.
1436  */
1437 void *
1438 qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size,
1439     uint32_t rsp_size)
1440 {
1441 	struct ct_entry_24xx *ct_pkt;
1442 	struct qla_hw_data *ha = vha->hw;
1443 
1444 	ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1445 	memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1446 
1447 	ct_pkt->entry_type = CT_IOCB_TYPE;
1448 	ct_pkt->entry_count = 1;
1449 	ct_pkt->nport_handle = cpu_to_le16(vha->mgmt_svr_loop_id);
1450 	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1451 	ct_pkt->cmd_dsd_count = cpu_to_le16(1);
1452 	ct_pkt->rsp_dsd_count = cpu_to_le16(1);
1453 	ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1454 	ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1455 
1456 	put_unaligned_le64(ha->ct_sns_dma, &ct_pkt->dsd[0].address);
1457 	ct_pkt->dsd[0].length = ct_pkt->cmd_byte_count;
1458 
1459 	put_unaligned_le64(ha->ct_sns_dma, &ct_pkt->dsd[1].address);
1460 	ct_pkt->dsd[1].length = ct_pkt->rsp_byte_count;
1461 	ct_pkt->vp_index = vha->vp_idx;
1462 
1463 	return ct_pkt;
1464 }
1465 
1466 static void
1467 qla2x00_update_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size)
1468 {
1469 	struct qla_hw_data *ha = vha->hw;
1470 	ms_iocb_entry_t *ms_pkt = ha->ms_iocb;
1471 	struct ct_entry_24xx *ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1472 
1473 	if (IS_FWI2_CAPABLE(ha)) {
1474 		ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1475 		ct_pkt->dsd[0].length = ct_pkt->cmd_byte_count;
1476 	} else {
1477 		ms_pkt->req_bytecount = cpu_to_le32(req_size);
1478 		ms_pkt->req_dsd.length = ms_pkt->req_bytecount;
1479 	}
1480 }
1481 
1482 /**
1483  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
1484  * @p: CT request buffer
1485  * @cmd: GS command
1486  * @rsp_size: response size in bytes
1487  *
1488  * Returns a pointer to the intitialized @ct_req.
1489  */
1490 static inline struct ct_sns_req *
1491 qla2x00_prep_ct_fdmi_req(struct ct_sns_pkt *p, uint16_t cmd,
1492     uint16_t rsp_size)
1493 {
1494 	memset(p, 0, sizeof(struct ct_sns_pkt));
1495 
1496 	p->p.req.header.revision = 0x01;
1497 	p->p.req.header.gs_type = 0xFA;
1498 	p->p.req.header.gs_subtype = 0x10;
1499 	p->p.req.command = cpu_to_be16(cmd);
1500 	p->p.req.max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1501 
1502 	return &p->p.req;
1503 }
1504 
1505 static uint
1506 qla25xx_fdmi_port_speed_capability(struct qla_hw_data *ha)
1507 {
1508 	if (IS_CNA_CAPABLE(ha))
1509 		return FDMI_PORT_SPEED_10GB;
1510 	if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
1511 		uint speeds = 0;
1512 
1513 		if (ha->max_supported_speed == 2) {
1514 			if (ha->min_supported_speed <= 6)
1515 				speeds |= FDMI_PORT_SPEED_64GB;
1516 		}
1517 		if (ha->max_supported_speed == 2 ||
1518 		    ha->max_supported_speed == 1) {
1519 			if (ha->min_supported_speed <= 5)
1520 				speeds |= FDMI_PORT_SPEED_32GB;
1521 		}
1522 		if (ha->max_supported_speed == 2 ||
1523 		    ha->max_supported_speed == 1 ||
1524 		    ha->max_supported_speed == 0) {
1525 			if (ha->min_supported_speed <= 4)
1526 				speeds |= FDMI_PORT_SPEED_16GB;
1527 		}
1528 		if (ha->max_supported_speed == 1 ||
1529 		    ha->max_supported_speed == 0) {
1530 			if (ha->min_supported_speed <= 3)
1531 				speeds |= FDMI_PORT_SPEED_8GB;
1532 		}
1533 		if (ha->max_supported_speed == 0) {
1534 			if (ha->min_supported_speed <= 2)
1535 				speeds |= FDMI_PORT_SPEED_4GB;
1536 		}
1537 		return speeds;
1538 	}
1539 	if (IS_QLA2031(ha))
1540 		return FDMI_PORT_SPEED_16GB|FDMI_PORT_SPEED_8GB|
1541 			FDMI_PORT_SPEED_4GB;
1542 	if (IS_QLA25XX(ha))
1543 		return FDMI_PORT_SPEED_8GB|FDMI_PORT_SPEED_4GB|
1544 			FDMI_PORT_SPEED_2GB|FDMI_PORT_SPEED_1GB;
1545 	if (IS_QLA24XX_TYPE(ha))
1546 		return FDMI_PORT_SPEED_4GB|FDMI_PORT_SPEED_2GB|
1547 			FDMI_PORT_SPEED_1GB;
1548 	if (IS_QLA23XX(ha))
1549 		return FDMI_PORT_SPEED_2GB|FDMI_PORT_SPEED_1GB;
1550 	return FDMI_PORT_SPEED_1GB;
1551 }
1552 static uint
1553 qla25xx_fdmi_port_speed_currently(struct qla_hw_data *ha)
1554 {
1555 	switch (ha->link_data_rate) {
1556 	case PORT_SPEED_1GB:
1557 		return FDMI_PORT_SPEED_1GB;
1558 	case PORT_SPEED_2GB:
1559 		return FDMI_PORT_SPEED_2GB;
1560 	case PORT_SPEED_4GB:
1561 		return FDMI_PORT_SPEED_4GB;
1562 	case PORT_SPEED_8GB:
1563 		return FDMI_PORT_SPEED_8GB;
1564 	case PORT_SPEED_10GB:
1565 		return FDMI_PORT_SPEED_10GB;
1566 	case PORT_SPEED_16GB:
1567 		return FDMI_PORT_SPEED_16GB;
1568 	case PORT_SPEED_32GB:
1569 		return FDMI_PORT_SPEED_32GB;
1570 	case PORT_SPEED_64GB:
1571 		return FDMI_PORT_SPEED_64GB;
1572 	default:
1573 		return FDMI_PORT_SPEED_UNKNOWN;
1574 	}
1575 }
1576 
1577 /**
1578  * qla2x00_hba_attributes() perform HBA attributes registration
1579  * @vha: HA context
1580  * @entries: number of entries to use
1581  * @callopt: Option to issue extended or standard FDMI
1582  *           command parameter
1583  *
1584  * Returns 0 on success.
1585  */
1586 static unsigned long
1587 qla2x00_hba_attributes(scsi_qla_host_t *vha, void *entries,
1588 	unsigned int callopt)
1589 {
1590 	struct qla_hw_data *ha = vha->hw;
1591 	struct init_cb_24xx *icb24 = (void *)ha->init_cb;
1592 	struct new_utsname *p_sysid = utsname();
1593 	struct ct_fdmi_hba_attr *eiter;
1594 	uint16_t alen;
1595 	unsigned long size = 0;
1596 
1597 	/* Nodename. */
1598 	eiter = entries + size;
1599 	eiter->type = cpu_to_be16(FDMI_HBA_NODE_NAME);
1600 	memcpy(eiter->a.node_name, vha->node_name, sizeof(eiter->a.node_name));
1601 	alen = sizeof(eiter->a.node_name);
1602 	alen += FDMI_ATTR_TYPELEN(eiter);
1603 	eiter->len = cpu_to_be16(alen);
1604 	size += alen;
1605 	ql_dbg(ql_dbg_disc, vha, 0x20a0,
1606 	    "NODENAME = %016llx.\n", wwn_to_u64(eiter->a.node_name));
1607 	/* Manufacturer. */
1608 	eiter = entries + size;
1609 	eiter->type = cpu_to_be16(FDMI_HBA_MANUFACTURER);
1610 	alen = scnprintf(
1611 		eiter->a.manufacturer, sizeof(eiter->a.manufacturer),
1612 		"%s", "QLogic Corporation");
1613 	alen += FDMI_ATTR_ALIGNMENT(alen);
1614 	alen += FDMI_ATTR_TYPELEN(eiter);
1615 	eiter->len = cpu_to_be16(alen);
1616 	size += alen;
1617 	ql_dbg(ql_dbg_disc, vha, 0x20a1,
1618 	    "MANUFACTURER = %s.\n", eiter->a.manufacturer);
1619 	/* Serial number. */
1620 	eiter = entries + size;
1621 	eiter->type = cpu_to_be16(FDMI_HBA_SERIAL_NUMBER);
1622 	alen = 0;
1623 	if (IS_FWI2_CAPABLE(ha)) {
1624 		alen = qla2xxx_get_vpd_field(vha, "SN",
1625 		    eiter->a.serial_num, sizeof(eiter->a.serial_num));
1626 	}
1627 	if (!alen) {
1628 		uint32_t sn = ((ha->serial0 & 0x1f) << 16) |
1629 			(ha->serial2 << 8) | ha->serial1;
1630 		alen = scnprintf(
1631 			eiter->a.serial_num, sizeof(eiter->a.serial_num),
1632 			"%c%05d", 'A' + sn / 100000, sn % 100000);
1633 	}
1634 	alen += FDMI_ATTR_ALIGNMENT(alen);
1635 	alen += FDMI_ATTR_TYPELEN(eiter);
1636 	eiter->len = cpu_to_be16(alen);
1637 	size += alen;
1638 	ql_dbg(ql_dbg_disc, vha, 0x20a2,
1639 	    "SERIAL NUMBER = %s.\n", eiter->a.serial_num);
1640 	/* Model name. */
1641 	eiter = entries + size;
1642 	eiter->type = cpu_to_be16(FDMI_HBA_MODEL);
1643 	alen = scnprintf(
1644 		eiter->a.model, sizeof(eiter->a.model),
1645 		"%s", ha->model_number);
1646 	alen += FDMI_ATTR_ALIGNMENT(alen);
1647 	alen += FDMI_ATTR_TYPELEN(eiter);
1648 	eiter->len = cpu_to_be16(alen);
1649 	size += alen;
1650 	ql_dbg(ql_dbg_disc, vha, 0x20a3,
1651 	    "MODEL NAME = %s.\n", eiter->a.model);
1652 	/* Model description. */
1653 	eiter = entries + size;
1654 	eiter->type = cpu_to_be16(FDMI_HBA_MODEL_DESCRIPTION);
1655 	alen = scnprintf(
1656 		eiter->a.model_desc, sizeof(eiter->a.model_desc),
1657 		"%s", ha->model_desc);
1658 	alen += FDMI_ATTR_ALIGNMENT(alen);
1659 	alen += FDMI_ATTR_TYPELEN(eiter);
1660 	eiter->len = cpu_to_be16(alen);
1661 	size += alen;
1662 	ql_dbg(ql_dbg_disc, vha, 0x20a4,
1663 	    "MODEL DESCRIPTION = %s.\n", eiter->a.model_desc);
1664 	/* Hardware version. */
1665 	eiter = entries + size;
1666 	eiter->type = cpu_to_be16(FDMI_HBA_HARDWARE_VERSION);
1667 	alen = 0;
1668 	if (IS_FWI2_CAPABLE(ha)) {
1669 		if (!alen) {
1670 			alen = qla2xxx_get_vpd_field(vha, "MN",
1671 			    eiter->a.hw_version, sizeof(eiter->a.hw_version));
1672 		}
1673 		if (!alen) {
1674 			alen = qla2xxx_get_vpd_field(vha, "EC",
1675 			    eiter->a.hw_version, sizeof(eiter->a.hw_version));
1676 		}
1677 	}
1678 	if (!alen) {
1679 		alen = scnprintf(
1680 			eiter->a.hw_version, sizeof(eiter->a.hw_version),
1681 			"HW:%s", ha->adapter_id);
1682 	}
1683 	alen += FDMI_ATTR_ALIGNMENT(alen);
1684 	alen += FDMI_ATTR_TYPELEN(eiter);
1685 	eiter->len = cpu_to_be16(alen);
1686 	size += alen;
1687 	ql_dbg(ql_dbg_disc, vha, 0x20a5,
1688 	    "HARDWARE VERSION = %s.\n", eiter->a.hw_version);
1689 	/* Driver version. */
1690 	eiter = entries + size;
1691 	eiter->type = cpu_to_be16(FDMI_HBA_DRIVER_VERSION);
1692 	alen = scnprintf(
1693 		eiter->a.driver_version, sizeof(eiter->a.driver_version),
1694 		"%s", qla2x00_version_str);
1695 	alen += FDMI_ATTR_ALIGNMENT(alen);
1696 	alen += FDMI_ATTR_TYPELEN(eiter);
1697 	eiter->len = cpu_to_be16(alen);
1698 	size += alen;
1699 	ql_dbg(ql_dbg_disc, vha, 0x20a6,
1700 	    "DRIVER VERSION = %s.\n", eiter->a.driver_version);
1701 	/* Option ROM version. */
1702 	eiter = entries + size;
1703 	eiter->type = cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
1704 	alen = scnprintf(
1705 		eiter->a.orom_version, sizeof(eiter->a.orom_version),
1706 		"%d.%02d", ha->bios_revision[1], ha->bios_revision[0]);
1707 	alen += FDMI_ATTR_ALIGNMENT(alen);
1708 	alen += FDMI_ATTR_TYPELEN(eiter);
1709 	eiter->len = cpu_to_be16(alen);
1710 	size += alen;
1711 
1712 	ql_dbg(ql_dbg_disc, vha, 0x20a7,
1713 	    "OPTROM VERSION = %d.%02d.\n",
1714 	    eiter->a.orom_version[1], eiter->a.orom_version[0]);
1715 	/* Firmware version */
1716 	eiter = entries + size;
1717 	eiter->type = cpu_to_be16(FDMI_HBA_FIRMWARE_VERSION);
1718 	ha->isp_ops->fw_version_str(vha, eiter->a.fw_version,
1719 	    sizeof(eiter->a.fw_version));
1720 	alen += FDMI_ATTR_ALIGNMENT(alen);
1721 	alen += FDMI_ATTR_TYPELEN(eiter);
1722 	eiter->len = cpu_to_be16(alen);
1723 	size += alen;
1724 	ql_dbg(ql_dbg_disc, vha, 0x20a8,
1725 	    "FIRMWARE VERSION = %s.\n", eiter->a.fw_version);
1726 	if (callopt == CALLOPT_FDMI1)
1727 		goto done;
1728 	/* OS Name and Version */
1729 	eiter = entries + size;
1730 	eiter->type = cpu_to_be16(FDMI_HBA_OS_NAME_AND_VERSION);
1731 	alen = 0;
1732 	if (p_sysid) {
1733 		alen = scnprintf(
1734 			eiter->a.os_version, sizeof(eiter->a.os_version),
1735 			"%s %s %s",
1736 			p_sysid->sysname, p_sysid->release, p_sysid->machine);
1737 	}
1738 	if (!alen) {
1739 		alen = scnprintf(
1740 			eiter->a.os_version, sizeof(eiter->a.os_version),
1741 			"%s %s",
1742 			"Linux", fc_host_system_hostname(vha->host));
1743 	}
1744 	alen += FDMI_ATTR_ALIGNMENT(alen);
1745 	alen += FDMI_ATTR_TYPELEN(eiter);
1746 	eiter->len = cpu_to_be16(alen);
1747 	size += alen;
1748 	ql_dbg(ql_dbg_disc, vha, 0x20a9,
1749 	    "OS VERSION = %s.\n", eiter->a.os_version);
1750 	/* MAX CT Payload Length */
1751 	eiter = entries + size;
1752 	eiter->type = cpu_to_be16(FDMI_HBA_MAXIMUM_CT_PAYLOAD_LENGTH);
1753 	eiter->a.max_ct_len = cpu_to_be32(le16_to_cpu(IS_FWI2_CAPABLE(ha) ?
1754 		icb24->frame_payload_size : ha->init_cb->frame_payload_size));
1755 	alen = sizeof(eiter->a.max_ct_len);
1756 	alen += FDMI_ATTR_TYPELEN(eiter);
1757 	eiter->len = cpu_to_be16(alen);
1758 	size += alen;
1759 	ql_dbg(ql_dbg_disc, vha, 0x20aa,
1760 	    "CT PAYLOAD LENGTH = 0x%x.\n", be32_to_cpu(eiter->a.max_ct_len));
1761 	/* Node Sybolic Name */
1762 	eiter = entries + size;
1763 	eiter->type = cpu_to_be16(FDMI_HBA_NODE_SYMBOLIC_NAME);
1764 	alen = qla2x00_get_sym_node_name(vha, eiter->a.sym_name,
1765 	    sizeof(eiter->a.sym_name));
1766 	alen += FDMI_ATTR_ALIGNMENT(alen);
1767 	alen += FDMI_ATTR_TYPELEN(eiter);
1768 	eiter->len = cpu_to_be16(alen);
1769 	size += alen;
1770 	ql_dbg(ql_dbg_disc, vha, 0x20ab,
1771 	    "SYMBOLIC NAME = %s.\n", eiter->a.sym_name);
1772 	/* Vendor Specific information */
1773 	eiter = entries + size;
1774 	eiter->type = cpu_to_be16(FDMI_HBA_VENDOR_SPECIFIC_INFO);
1775 	eiter->a.vendor_specific_info = cpu_to_be32(PCI_VENDOR_ID_QLOGIC);
1776 	alen = sizeof(eiter->a.vendor_specific_info);
1777 	alen += FDMI_ATTR_TYPELEN(eiter);
1778 	eiter->len = cpu_to_be16(alen);
1779 	size += alen;
1780 	ql_dbg(ql_dbg_disc, vha, 0x20ac,
1781 	    "VENDOR SPECIFIC INFO = 0x%x.\n",
1782 	    be32_to_cpu(eiter->a.vendor_specific_info));
1783 	/* Num Ports */
1784 	eiter = entries + size;
1785 	eiter->type = cpu_to_be16(FDMI_HBA_NUM_PORTS);
1786 	eiter->a.num_ports = cpu_to_be32(1);
1787 	alen = sizeof(eiter->a.num_ports);
1788 	alen += FDMI_ATTR_TYPELEN(eiter);
1789 	eiter->len = cpu_to_be16(alen);
1790 	size += alen;
1791 	ql_dbg(ql_dbg_disc, vha, 0x20ad,
1792 	    "PORT COUNT = %x.\n", be32_to_cpu(eiter->a.num_ports));
1793 	/* Fabric Name */
1794 	eiter = entries + size;
1795 	eiter->type = cpu_to_be16(FDMI_HBA_FABRIC_NAME);
1796 	memcpy(eiter->a.fabric_name, vha->fabric_node_name,
1797 	    sizeof(eiter->a.fabric_name));
1798 	alen = sizeof(eiter->a.fabric_name);
1799 	alen += FDMI_ATTR_TYPELEN(eiter);
1800 	eiter->len = cpu_to_be16(alen);
1801 	size += alen;
1802 	ql_dbg(ql_dbg_disc, vha, 0x20ae,
1803 	    "FABRIC NAME = %016llx.\n", wwn_to_u64(eiter->a.fabric_name));
1804 	/* BIOS Version */
1805 	eiter = entries + size;
1806 	eiter->type = cpu_to_be16(FDMI_HBA_BOOT_BIOS_NAME);
1807 	alen = scnprintf(
1808 		eiter->a.bios_name, sizeof(eiter->a.bios_name),
1809 		"BIOS %d.%02d", ha->bios_revision[1], ha->bios_revision[0]);
1810 	alen += FDMI_ATTR_ALIGNMENT(alen);
1811 	alen += FDMI_ATTR_TYPELEN(eiter);
1812 	eiter->len = cpu_to_be16(alen);
1813 	size += alen;
1814 	ql_dbg(ql_dbg_disc, vha, 0x20af,
1815 	    "BIOS NAME = %s\n", eiter->a.bios_name);
1816 	/* Vendor Identifier */
1817 	eiter = entries + size;
1818 	eiter->type = cpu_to_be16(FDMI_HBA_VENDOR_IDENTIFIER);
1819 	alen = scnprintf(
1820 		eiter->a.vendor_identifier, sizeof(eiter->a.vendor_identifier),
1821 		"%s", "QLGC");
1822 	alen += FDMI_ATTR_ALIGNMENT(alen);
1823 	alen += FDMI_ATTR_TYPELEN(eiter);
1824 	eiter->len = cpu_to_be16(alen);
1825 	size += alen;
1826 	ql_dbg(ql_dbg_disc, vha, 0x20b0,
1827 	    "VENDOR IDENTIFIER = %s.\n", eiter->a.vendor_identifier);
1828 done:
1829 	return size;
1830 }
1831 
1832 /**
1833  * qla2x00_port_attributes() perform Port attributes registration
1834  * @vha: HA context
1835  * @entries: number of entries to use
1836  * @callopt: Option to issue extended or standard FDMI
1837  *           command parameter
1838  *
1839  * Returns 0 on success.
1840  */
1841 static unsigned long
1842 qla2x00_port_attributes(scsi_qla_host_t *vha, void *entries,
1843 	unsigned int callopt)
1844 {
1845 	struct qla_hw_data *ha = vha->hw;
1846 	struct init_cb_24xx *icb24 = (void *)ha->init_cb;
1847 	struct new_utsname *p_sysid = utsname();
1848 	char *hostname = p_sysid ?
1849 		p_sysid->nodename : fc_host_system_hostname(vha->host);
1850 	struct ct_fdmi_port_attr *eiter;
1851 	uint16_t alen;
1852 	unsigned long size = 0;
1853 
1854 	/* FC4 types. */
1855 	eiter = entries + size;
1856 	eiter->type = cpu_to_be16(FDMI_PORT_FC4_TYPES);
1857 	eiter->a.fc4_types[0] = 0x00;
1858 	eiter->a.fc4_types[1] = 0x00;
1859 	eiter->a.fc4_types[2] = 0x01;
1860 	eiter->a.fc4_types[3] = 0x00;
1861 	alen = sizeof(eiter->a.fc4_types);
1862 	alen += FDMI_ATTR_TYPELEN(eiter);
1863 	eiter->len = cpu_to_be16(alen);
1864 	size += alen;
1865 	ql_dbg(ql_dbg_disc, vha, 0x20c0,
1866 	    "FC4 TYPES = %016llx.\n", *(uint64_t *)eiter->a.fc4_types);
1867 	if (vha->flags.nvme_enabled) {
1868 		eiter->a.fc4_types[6] = 1;      /* NVMe type 28h */
1869 		ql_dbg(ql_dbg_disc, vha, 0x211f,
1870 		    "NVME FC4 Type = %02x 0x0 0x0 0x0 0x0 0x0.\n",
1871 		    eiter->a.fc4_types[6]);
1872 	}
1873 	/* Supported speed. */
1874 	eiter = entries + size;
1875 	eiter->type = cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
1876 	eiter->a.sup_speed = cpu_to_be32(
1877 		qla25xx_fdmi_port_speed_capability(ha));
1878 	alen = sizeof(eiter->a.sup_speed);
1879 	alen += FDMI_ATTR_TYPELEN(eiter);
1880 	eiter->len = cpu_to_be16(alen);
1881 	size += alen;
1882 	ql_dbg(ql_dbg_disc, vha, 0x20c1,
1883 	    "SUPPORTED SPEED = %x.\n", be32_to_cpu(eiter->a.sup_speed));
1884 	/* Current speed. */
1885 	eiter = entries + size;
1886 	eiter->type = cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
1887 	eiter->a.cur_speed = cpu_to_be32(
1888 		qla25xx_fdmi_port_speed_currently(ha));
1889 	alen = sizeof(eiter->a.cur_speed);
1890 	alen += FDMI_ATTR_TYPELEN(eiter);
1891 	eiter->len = cpu_to_be16(alen);
1892 	size += alen;
1893 	ql_dbg(ql_dbg_disc, vha, 0x20c2,
1894 	    "CURRENT SPEED = %x.\n", be32_to_cpu(eiter->a.cur_speed));
1895 	/* Max frame size. */
1896 	eiter = entries + size;
1897 	eiter->type = cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
1898 	eiter->a.max_frame_size = cpu_to_be32(le16_to_cpu(IS_FWI2_CAPABLE(ha) ?
1899 		icb24->frame_payload_size : ha->init_cb->frame_payload_size));
1900 	alen = sizeof(eiter->a.max_frame_size);
1901 	alen += FDMI_ATTR_TYPELEN(eiter);
1902 	eiter->len = cpu_to_be16(alen);
1903 	size += alen;
1904 	ql_dbg(ql_dbg_disc, vha, 0x20c3,
1905 	    "MAX FRAME SIZE = %x.\n", be32_to_cpu(eiter->a.max_frame_size));
1906 	/* OS device name. */
1907 	eiter = entries + size;
1908 	eiter->type = cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
1909 	alen = scnprintf(
1910 		eiter->a.os_dev_name, sizeof(eiter->a.os_dev_name),
1911 		"%s:host%lu", QLA2XXX_DRIVER_NAME, vha->host_no);
1912 	alen += FDMI_ATTR_ALIGNMENT(alen);
1913 	alen += FDMI_ATTR_TYPELEN(eiter);
1914 	eiter->len = cpu_to_be16(alen);
1915 	size += alen;
1916 	ql_dbg(ql_dbg_disc, vha, 0x20c4,
1917 	    "OS DEVICE NAME = %s.\n", eiter->a.os_dev_name);
1918 	/* Hostname. */
1919 	eiter = entries + size;
1920 	eiter->type = cpu_to_be16(FDMI_PORT_HOST_NAME);
1921 	if (!*hostname || !strncmp(hostname, "(none)", 6))
1922 		hostname = "Linux-default";
1923 	alen = scnprintf(
1924 		eiter->a.host_name, sizeof(eiter->a.host_name),
1925 		"%s", hostname);
1926 	alen += FDMI_ATTR_ALIGNMENT(alen);
1927 	alen += FDMI_ATTR_TYPELEN(eiter);
1928 	eiter->len = cpu_to_be16(alen);
1929 	size += alen;
1930 	ql_dbg(ql_dbg_disc, vha, 0x20c5,
1931 	    "HOSTNAME = %s.\n", eiter->a.host_name);
1932 
1933 	if (callopt == CALLOPT_FDMI1)
1934 		goto done;
1935 
1936 	/* Node Name */
1937 	eiter = entries + size;
1938 	eiter->type = cpu_to_be16(FDMI_PORT_NODE_NAME);
1939 	memcpy(eiter->a.node_name, vha->node_name, sizeof(eiter->a.node_name));
1940 	alen = sizeof(eiter->a.node_name);
1941 	alen += FDMI_ATTR_TYPELEN(eiter);
1942 	eiter->len = cpu_to_be16(alen);
1943 	size += alen;
1944 	ql_dbg(ql_dbg_disc, vha, 0x20c6,
1945 	    "NODENAME = %016llx.\n", wwn_to_u64(eiter->a.node_name));
1946 
1947 	/* Port Name */
1948 	eiter = entries + size;
1949 	eiter->type = cpu_to_be16(FDMI_PORT_NAME);
1950 	memcpy(eiter->a.port_name, vha->port_name, sizeof(eiter->a.port_name));
1951 	alen = sizeof(eiter->a.port_name);
1952 	alen += FDMI_ATTR_TYPELEN(eiter);
1953 	eiter->len = cpu_to_be16(alen);
1954 	size += alen;
1955 	ql_dbg(ql_dbg_disc, vha, 0x20c7,
1956 	    "PORTNAME = %016llx.\n", wwn_to_u64(eiter->a.port_name));
1957 
1958 	/* Port Symbolic Name */
1959 	eiter = entries + size;
1960 	eiter->type = cpu_to_be16(FDMI_PORT_SYM_NAME);
1961 	alen = qla2x00_get_sym_node_name(vha, eiter->a.port_sym_name,
1962 	    sizeof(eiter->a.port_sym_name));
1963 	alen += FDMI_ATTR_ALIGNMENT(alen);
1964 	alen += FDMI_ATTR_TYPELEN(eiter);
1965 	eiter->len = cpu_to_be16(alen);
1966 	size += alen;
1967 	ql_dbg(ql_dbg_disc, vha, 0x20c8,
1968 	    "PORT SYMBOLIC NAME = %s\n", eiter->a.port_sym_name);
1969 
1970 	/* Port Type */
1971 	eiter = entries + size;
1972 	eiter->type = cpu_to_be16(FDMI_PORT_TYPE);
1973 	eiter->a.port_type = cpu_to_be32(NS_NX_PORT_TYPE);
1974 	alen = sizeof(eiter->a.port_type);
1975 	alen += FDMI_ATTR_TYPELEN(eiter);
1976 	eiter->len = cpu_to_be16(alen);
1977 	size += alen;
1978 	ql_dbg(ql_dbg_disc, vha, 0x20c9,
1979 	    "PORT TYPE = %x.\n", be32_to_cpu(eiter->a.port_type));
1980 
1981 	/* Supported Class of Service */
1982 	eiter = entries + size;
1983 	eiter->type = cpu_to_be16(FDMI_PORT_SUPP_COS);
1984 	eiter->a.port_supported_cos = cpu_to_be32(FC_CLASS_3);
1985 	alen = sizeof(eiter->a.port_supported_cos);
1986 	alen += FDMI_ATTR_TYPELEN(eiter);
1987 	eiter->len = cpu_to_be16(alen);
1988 	size += alen;
1989 	ql_dbg(ql_dbg_disc, vha, 0x20ca,
1990 	    "SUPPORTED COS = %08x\n", be32_to_cpu(eiter->a.port_supported_cos));
1991 
1992 	/* Port Fabric Name */
1993 	eiter = entries + size;
1994 	eiter->type = cpu_to_be16(FDMI_PORT_FABRIC_NAME);
1995 	memcpy(eiter->a.fabric_name, vha->fabric_node_name,
1996 	    sizeof(eiter->a.fabric_name));
1997 	alen = sizeof(eiter->a.fabric_name);
1998 	alen += FDMI_ATTR_TYPELEN(eiter);
1999 	eiter->len = cpu_to_be16(alen);
2000 	size += alen;
2001 	ql_dbg(ql_dbg_disc, vha, 0x20cb,
2002 	    "FABRIC NAME = %016llx.\n", wwn_to_u64(eiter->a.fabric_name));
2003 
2004 	/* FC4_type */
2005 	eiter = entries + size;
2006 	eiter->type = cpu_to_be16(FDMI_PORT_FC4_TYPE);
2007 	eiter->a.port_fc4_type[0] = 0x00;
2008 	eiter->a.port_fc4_type[1] = 0x00;
2009 	eiter->a.port_fc4_type[2] = 0x01;
2010 	eiter->a.port_fc4_type[3] = 0x00;
2011 	alen = sizeof(eiter->a.port_fc4_type);
2012 	alen += FDMI_ATTR_TYPELEN(eiter);
2013 	eiter->len = cpu_to_be16(alen);
2014 	size += alen;
2015 	ql_dbg(ql_dbg_disc, vha, 0x20cc,
2016 	    "PORT ACTIVE FC4 TYPE = %016llx.\n",
2017 	    *(uint64_t *)eiter->a.port_fc4_type);
2018 
2019 	/* Port State */
2020 	eiter = entries + size;
2021 	eiter->type = cpu_to_be16(FDMI_PORT_STATE);
2022 	eiter->a.port_state = cpu_to_be32(2);
2023 	alen = sizeof(eiter->a.port_state);
2024 	alen += FDMI_ATTR_TYPELEN(eiter);
2025 	eiter->len = cpu_to_be16(alen);
2026 	size += alen;
2027 	ql_dbg(ql_dbg_disc, vha, 0x20cd,
2028 	    "PORT_STATE = %x.\n", be32_to_cpu(eiter->a.port_state));
2029 
2030 	/* Number of Ports */
2031 	eiter = entries + size;
2032 	eiter->type = cpu_to_be16(FDMI_PORT_COUNT);
2033 	eiter->a.num_ports = cpu_to_be32(1);
2034 	alen = sizeof(eiter->a.num_ports);
2035 	alen += FDMI_ATTR_TYPELEN(eiter);
2036 	eiter->len = cpu_to_be16(alen);
2037 	size += alen;
2038 	ql_dbg(ql_dbg_disc, vha, 0x20ce,
2039 	    "PORT COUNT = %x.\n", be32_to_cpu(eiter->a.num_ports));
2040 
2041 	/* Port Identifier */
2042 	eiter = entries + size;
2043 	eiter->type = cpu_to_be16(FDMI_PORT_IDENTIFIER);
2044 	eiter->a.port_id = cpu_to_be32(vha->d_id.b24);
2045 	alen = sizeof(eiter->a.port_id);
2046 	alen += FDMI_ATTR_TYPELEN(eiter);
2047 	eiter->len = cpu_to_be16(alen);
2048 	size += alen;
2049 	ql_dbg(ql_dbg_disc, vha, 0x20cf,
2050 	    "PORT ID = %x.\n", be32_to_cpu(eiter->a.port_id));
2051 
2052 	if (callopt == CALLOPT_FDMI2 || !ql2xsmartsan)
2053 		goto done;
2054 
2055 	/* Smart SAN Service Category (Populate Smart SAN Initiator)*/
2056 	eiter = entries + size;
2057 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_SERVICE);
2058 	alen = scnprintf(
2059 		eiter->a.smartsan_service, sizeof(eiter->a.smartsan_service),
2060 		"%s", "Smart SAN Initiator");
2061 	alen += FDMI_ATTR_ALIGNMENT(alen);
2062 	alen += FDMI_ATTR_TYPELEN(eiter);
2063 	eiter->len = cpu_to_be16(alen);
2064 	size += alen;
2065 	ql_dbg(ql_dbg_disc, vha, 0x20d0,
2066 	    "SMARTSAN SERVICE CATEGORY = %s.\n", eiter->a.smartsan_service);
2067 
2068 	/* Smart SAN GUID (NWWN+PWWN) */
2069 	eiter = entries + size;
2070 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_GUID);
2071 	memcpy(eiter->a.smartsan_guid, vha->node_name, WWN_SIZE);
2072 	memcpy(eiter->a.smartsan_guid + WWN_SIZE, vha->port_name, WWN_SIZE);
2073 	alen = sizeof(eiter->a.smartsan_guid);
2074 	alen += FDMI_ATTR_TYPELEN(eiter);
2075 	eiter->len = cpu_to_be16(alen);
2076 	size += alen;
2077 	ql_dbg(ql_dbg_disc, vha, 0x20d1,
2078 	    "Smart SAN GUID = %016llx-%016llx\n",
2079 	    wwn_to_u64(eiter->a.smartsan_guid),
2080 	    wwn_to_u64(eiter->a.smartsan_guid + WWN_SIZE));
2081 
2082 	/* Smart SAN Version (populate "Smart SAN Version 1.0") */
2083 	eiter = entries + size;
2084 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_VERSION);
2085 	alen = scnprintf(
2086 		eiter->a.smartsan_version, sizeof(eiter->a.smartsan_version),
2087 		"%s", "Smart SAN Version 2.0");
2088 	alen += FDMI_ATTR_ALIGNMENT(alen);
2089 	alen += FDMI_ATTR_TYPELEN(eiter);
2090 	eiter->len = cpu_to_be16(alen);
2091 	size += alen;
2092 	ql_dbg(ql_dbg_disc, vha, 0x20d2,
2093 	    "SMARTSAN VERSION = %s\n", eiter->a.smartsan_version);
2094 
2095 	/* Smart SAN Product Name (Specify Adapter Model No) */
2096 	eiter = entries + size;
2097 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_PROD_NAME);
2098 	alen = scnprintf(eiter->a.smartsan_prod_name,
2099 		sizeof(eiter->a.smartsan_prod_name),
2100 		"ISP%04x", ha->pdev->device);
2101 	alen += FDMI_ATTR_ALIGNMENT(alen);
2102 	alen += FDMI_ATTR_TYPELEN(eiter);
2103 	eiter->len = cpu_to_be16(alen);
2104 	size += alen;
2105 	ql_dbg(ql_dbg_disc, vha, 0x20d3,
2106 	    "SMARTSAN PRODUCT NAME = %s\n", eiter->a.smartsan_prod_name);
2107 
2108 	/* Smart SAN Port Info (specify: 1=Physical, 2=NPIV, 3=SRIOV) */
2109 	eiter = entries + size;
2110 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_PORT_INFO);
2111 	eiter->a.smartsan_port_info = cpu_to_be32(vha->vp_idx ? 2 : 1);
2112 	alen = sizeof(eiter->a.smartsan_port_info);
2113 	alen += FDMI_ATTR_TYPELEN(eiter);
2114 	eiter->len = cpu_to_be16(alen);
2115 	size += alen;
2116 	ql_dbg(ql_dbg_disc, vha, 0x20d4,
2117 	    "SMARTSAN PORT INFO = %x\n", eiter->a.smartsan_port_info);
2118 
2119 	/* Smart SAN Security Support */
2120 	eiter = entries + size;
2121 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_SECURITY_SUPPORT);
2122 	eiter->a.smartsan_security_support = cpu_to_be32(1);
2123 	alen = sizeof(eiter->a.smartsan_security_support);
2124 	alen += FDMI_ATTR_TYPELEN(eiter);
2125 	eiter->len = cpu_to_be16(alen);
2126 	size += alen;
2127 	ql_dbg(ql_dbg_disc, vha, 0x20d6,
2128 	    "SMARTSAN SECURITY SUPPORT = %d\n",
2129 	    be32_to_cpu(eiter->a.smartsan_security_support));
2130 
2131 done:
2132 	return size;
2133 }
2134 
2135 /**
2136  * qla2x00_fdmi_rhba() - perform RHBA FDMI registration
2137  * @vha: HA context
2138  * @callopt: Option to issue FDMI registration
2139  *
2140  * Returns 0 on success.
2141  */
2142 static int
2143 qla2x00_fdmi_rhba(scsi_qla_host_t *vha, unsigned int callopt)
2144 {
2145 	struct qla_hw_data *ha = vha->hw;
2146 	unsigned long size = 0;
2147 	unsigned int rval, count;
2148 	ms_iocb_entry_t *ms_pkt;
2149 	struct ct_sns_req *ct_req;
2150 	struct ct_sns_rsp *ct_rsp;
2151 	void *entries;
2152 
2153 	count = callopt != CALLOPT_FDMI1 ?
2154 	    FDMI2_HBA_ATTR_COUNT : FDMI1_HBA_ATTR_COUNT;
2155 
2156 	size = RHBA_RSP_SIZE;
2157 
2158 	ql_dbg(ql_dbg_disc, vha, 0x20e0,
2159 	    "RHBA (callopt=%x count=%u size=%lu).\n", callopt, count, size);
2160 
2161 	/*   Request size adjusted after CT preparation */
2162 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, size);
2163 
2164 	/* Prepare CT request */
2165 	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RHBA_CMD, size);
2166 	ct_rsp = &ha->ct_sns->p.rsp;
2167 
2168 	/* Prepare FDMI command entries */
2169 	memcpy(ct_req->req.rhba.hba_identifier, vha->port_name,
2170 	    sizeof(ct_req->req.rhba.hba_identifier));
2171 	size += sizeof(ct_req->req.rhba.hba_identifier);
2172 
2173 	ct_req->req.rhba.entry_count = cpu_to_be32(1);
2174 	size += sizeof(ct_req->req.rhba.entry_count);
2175 
2176 	memcpy(ct_req->req.rhba.port_name, vha->port_name,
2177 	    sizeof(ct_req->req.rhba.port_name));
2178 	size += sizeof(ct_req->req.rhba.port_name);
2179 
2180 	/* Attribute count */
2181 	ct_req->req.rhba.attrs.count = cpu_to_be32(count);
2182 	size += sizeof(ct_req->req.rhba.attrs.count);
2183 
2184 	/* Attribute block */
2185 	entries = &ct_req->req.rhba.attrs.entry;
2186 
2187 	size += qla2x00_hba_attributes(vha, entries, callopt);
2188 
2189 	/* Update MS request size. */
2190 	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
2191 
2192 	ql_dbg(ql_dbg_disc, vha, 0x20e1,
2193 	    "RHBA %016llx %016llx.\n",
2194 	    wwn_to_u64(ct_req->req.rhba.hba_identifier),
2195 	    wwn_to_u64(ct_req->req.rhba.port_name));
2196 
2197 	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x20e2,
2198 	    entries, size);
2199 
2200 	/* Execute MS IOCB */
2201 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2202 	    sizeof(*ha->ms_iocb));
2203 	if (rval) {
2204 		ql_dbg(ql_dbg_disc, vha, 0x20e3,
2205 		    "RHBA iocb failed (%d).\n", rval);
2206 		return rval;
2207 	}
2208 
2209 	rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RHBA");
2210 	if (rval) {
2211 		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
2212 		    ct_rsp->header.explanation_code ==
2213 		    CT_EXPL_ALREADY_REGISTERED) {
2214 			ql_dbg(ql_dbg_disc, vha, 0x20e4,
2215 			    "RHBA already registered.\n");
2216 			return QLA_ALREADY_REGISTERED;
2217 		}
2218 
2219 		ql_dbg(ql_dbg_disc, vha, 0x20e5,
2220 		    "RHBA failed, CT Reason %#x, CT Explanation %#x\n",
2221 		    ct_rsp->header.reason_code,
2222 		    ct_rsp->header.explanation_code);
2223 		return rval;
2224 	}
2225 
2226 	ql_dbg(ql_dbg_disc, vha, 0x20e6, "RHBA exiting normally.\n");
2227 	return rval;
2228 }
2229 
2230 
2231 static int
2232 qla2x00_fdmi_dhba(scsi_qla_host_t *vha)
2233 {
2234 	int rval;
2235 	struct qla_hw_data *ha = vha->hw;
2236 	ms_iocb_entry_t *ms_pkt;
2237 	struct ct_sns_req *ct_req;
2238 	struct ct_sns_rsp *ct_rsp;
2239 	/* Issue RPA */
2240 	/* Prepare common MS IOCB */
2241 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, DHBA_REQ_SIZE,
2242 	    DHBA_RSP_SIZE);
2243 	/* Prepare CT request */
2244 	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, DHBA_CMD, DHBA_RSP_SIZE);
2245 	ct_rsp = &ha->ct_sns->p.rsp;
2246 	/* Prepare FDMI command arguments -- portname. */
2247 	memcpy(ct_req->req.dhba.port_name, vha->port_name, WWN_SIZE);
2248 	ql_dbg(ql_dbg_disc, vha, 0x2036,
2249 	    "DHBA portname = %8phN.\n", ct_req->req.dhba.port_name);
2250 	/* Execute MS IOCB */
2251 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2252 	    sizeof(ms_iocb_entry_t));
2253 	if (rval != QLA_SUCCESS) {
2254 		/*EMPTY*/
2255 		ql_dbg(ql_dbg_disc, vha, 0x2037,
2256 		    "DHBA issue IOCB failed (%d).\n", rval);
2257 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "DHBA") !=
2258 	    QLA_SUCCESS) {
2259 		rval = QLA_FUNCTION_FAILED;
2260 	} else {
2261 		ql_dbg(ql_dbg_disc, vha, 0x2038,
2262 		    "DHBA exiting normally.\n");
2263 	}
2264 	return rval;
2265 }
2266 
2267 /**
2268  * qla2x00_fdmi_rprt() perform RPRT registration
2269  * @vha: HA context
2270  * @callopt: Option to issue extended or standard FDMI
2271  *           command parameter
2272  *
2273  * Returns 0 on success.
2274  */
2275 static int
2276 qla2x00_fdmi_rprt(scsi_qla_host_t *vha, int callopt)
2277 {
2278 	struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
2279 	struct qla_hw_data *ha = vha->hw;
2280 	ulong size = 0;
2281 	uint rval, count;
2282 	ms_iocb_entry_t *ms_pkt;
2283 	struct ct_sns_req *ct_req;
2284 	struct ct_sns_rsp *ct_rsp;
2285 	void *entries;
2286 	count = callopt == CALLOPT_FDMI2_SMARTSAN && ql2xsmartsan ?
2287 		FDMI2_SMARTSAN_PORT_ATTR_COUNT :
2288 		callopt != CALLOPT_FDMI1 ?
2289 		FDMI2_PORT_ATTR_COUNT : FDMI1_PORT_ATTR_COUNT;
2290 
2291 	size = RPRT_RSP_SIZE;
2292 	ql_dbg(ql_dbg_disc, vha, 0x20e8,
2293 	    "RPRT (callopt=%x count=%u size=%lu).\n", callopt, count, size);
2294 	/* Request size adjusted after CT preparation */
2295 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, size);
2296 	/* Prepare CT request */
2297 	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RPRT_CMD, size);
2298 	ct_rsp = &ha->ct_sns->p.rsp;
2299 	/* Prepare FDMI command entries */
2300 	memcpy(ct_req->req.rprt.hba_identifier, base_vha->port_name,
2301 	    sizeof(ct_req->req.rprt.hba_identifier));
2302 	size += sizeof(ct_req->req.rprt.hba_identifier);
2303 	memcpy(ct_req->req.rprt.port_name, vha->port_name,
2304 	    sizeof(ct_req->req.rprt.port_name));
2305 	size += sizeof(ct_req->req.rprt.port_name);
2306 	/* Attribute count */
2307 	ct_req->req.rprt.attrs.count = cpu_to_be32(count);
2308 	size += sizeof(ct_req->req.rprt.attrs.count);
2309 	/* Attribute block */
2310 	entries = ct_req->req.rprt.attrs.entry;
2311 	size += qla2x00_port_attributes(vha, entries, callopt);
2312 	/* Update MS request size. */
2313 	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
2314 	ql_dbg(ql_dbg_disc, vha, 0x20e9,
2315 	    "RPRT %016llx  %016llx.\n",
2316 	    wwn_to_u64(ct_req->req.rprt.port_name),
2317 	    wwn_to_u64(ct_req->req.rprt.port_name));
2318 	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x20ea,
2319 	    entries, size);
2320 	/* Execute MS IOCB */
2321 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2322 	    sizeof(*ha->ms_iocb));
2323 	if (rval) {
2324 		ql_dbg(ql_dbg_disc, vha, 0x20eb,
2325 		    "RPRT iocb failed (%d).\n", rval);
2326 		return rval;
2327 	}
2328 	rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RPRT");
2329 	if (rval) {
2330 		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
2331 		    ct_rsp->header.explanation_code ==
2332 		    CT_EXPL_ALREADY_REGISTERED) {
2333 			ql_dbg(ql_dbg_disc, vha, 0x20ec,
2334 			    "RPRT already registered.\n");
2335 			return QLA_ALREADY_REGISTERED;
2336 		}
2337 
2338 		ql_dbg(ql_dbg_disc, vha, 0x20ed,
2339 		    "RPRT failed, CT Reason code: %#x, CT Explanation %#x\n",
2340 		    ct_rsp->header.reason_code,
2341 		    ct_rsp->header.explanation_code);
2342 		return rval;
2343 	}
2344 	ql_dbg(ql_dbg_disc, vha, 0x20ee, "RPRT exiting normally.\n");
2345 	return rval;
2346 }
2347 
2348 /**
2349  * qla2x00_fdmi_rpa() - perform RPA registration
2350  * @vha: HA context
2351  * @callopt: Option to issue FDMI registration
2352  *
2353  * Returns 0 on success.
2354  */
2355 static int
2356 qla2x00_fdmi_rpa(scsi_qla_host_t *vha, uint callopt)
2357 {
2358 	struct qla_hw_data *ha = vha->hw;
2359 	ulong size = 0;
2360 	uint rval, count;
2361 	ms_iocb_entry_t *ms_pkt;
2362 	struct ct_sns_req *ct_req;
2363 	struct ct_sns_rsp *ct_rsp;
2364 	void *entries;
2365 
2366 	count =
2367 	    callopt == CALLOPT_FDMI2_SMARTSAN && ql2xsmartsan ?
2368 		FDMI2_SMARTSAN_PORT_ATTR_COUNT :
2369 	    callopt != CALLOPT_FDMI1 ?
2370 		FDMI2_PORT_ATTR_COUNT : FDMI1_PORT_ATTR_COUNT;
2371 
2372 	size =
2373 	    callopt != CALLOPT_FDMI1 ?
2374 		SMARTSAN_RPA_RSP_SIZE : RPA_RSP_SIZE;
2375 
2376 	ql_dbg(ql_dbg_disc, vha, 0x20f0,
2377 	    "RPA (callopt=%x count=%u size=%lu).\n", callopt, count, size);
2378 
2379 	/* Request size adjusted after CT preparation */
2380 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, size);
2381 
2382 	/* Prepare CT request */
2383 	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RPA_CMD, size);
2384 	ct_rsp = &ha->ct_sns->p.rsp;
2385 
2386 	/* Prepare FDMI command entries. */
2387 	memcpy(ct_req->req.rpa.port_name, vha->port_name,
2388 	    sizeof(ct_req->req.rpa.port_name));
2389 	size += sizeof(ct_req->req.rpa.port_name);
2390 
2391 	/* Attribute count */
2392 	ct_req->req.rpa.attrs.count = cpu_to_be32(count);
2393 	size += sizeof(ct_req->req.rpa.attrs.count);
2394 
2395 	/* Attribute block */
2396 	entries = ct_req->req.rpa.attrs.entry;
2397 
2398 	size += qla2x00_port_attributes(vha, entries, callopt);
2399 
2400 	/* Update MS request size. */
2401 	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
2402 
2403 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
2404 	    "RPA %016llx.\n", wwn_to_u64(ct_req->req.rpa.port_name));
2405 
2406 	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x20f2,
2407 	    entries, size);
2408 
2409 	/* Execute MS IOCB */
2410 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2411 	    sizeof(*ha->ms_iocb));
2412 	if (rval) {
2413 		ql_dbg(ql_dbg_disc, vha, 0x20f3,
2414 		    "RPA iocb failed (%d).\n", rval);
2415 		return rval;
2416 	}
2417 
2418 	rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RPA");
2419 	if (rval) {
2420 		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
2421 		    ct_rsp->header.explanation_code ==
2422 		    CT_EXPL_ALREADY_REGISTERED) {
2423 			ql_dbg(ql_dbg_disc, vha, 0x20f4,
2424 			    "RPA already registered.\n");
2425 			return QLA_ALREADY_REGISTERED;
2426 		}
2427 
2428 		ql_dbg(ql_dbg_disc, vha, 0x20f5,
2429 		    "RPA failed, CT Reason code: %#x, CT Explanation %#x\n",
2430 		    ct_rsp->header.reason_code,
2431 		    ct_rsp->header.explanation_code);
2432 		return rval;
2433 	}
2434 
2435 	ql_dbg(ql_dbg_disc, vha, 0x20f6, "RPA exiting normally.\n");
2436 	return rval;
2437 }
2438 
2439 /**
2440  * qla2x00_fdmi_register() -
2441  * @vha: HA context
2442  *
2443  * Returns 0 on success.
2444  */
2445 int
2446 qla2x00_fdmi_register(scsi_qla_host_t *vha)
2447 {
2448 	int rval = QLA_SUCCESS;
2449 	struct qla_hw_data *ha = vha->hw;
2450 
2451 	if (IS_QLA2100(ha) || IS_QLA2200(ha) ||
2452 	    IS_QLAFX00(ha))
2453 		return rval;
2454 
2455 	rval = qla2x00_mgmt_svr_login(vha);
2456 	if (rval)
2457 		return rval;
2458 
2459 	/* For npiv/vport send rprt only */
2460 	if (vha->vp_idx) {
2461 		if (ql2xsmartsan)
2462 			rval = qla2x00_fdmi_rprt(vha, CALLOPT_FDMI2_SMARTSAN);
2463 		if (rval || !ql2xsmartsan)
2464 			rval = qla2x00_fdmi_rprt(vha, CALLOPT_FDMI2);
2465 		if (rval)
2466 			rval = qla2x00_fdmi_rprt(vha, CALLOPT_FDMI1);
2467 
2468 		return rval;
2469 	}
2470 
2471 	/* Try fdmi2 first, if fails then try fdmi1 */
2472 	rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI2);
2473 	if (rval) {
2474 		if (rval != QLA_ALREADY_REGISTERED)
2475 			goto try_fdmi;
2476 
2477 		rval = qla2x00_fdmi_dhba(vha);
2478 		if (rval)
2479 			goto try_fdmi;
2480 
2481 		rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI2);
2482 		if (rval)
2483 			goto try_fdmi;
2484 	}
2485 
2486 	if (ql2xsmartsan)
2487 		rval = qla2x00_fdmi_rpa(vha, CALLOPT_FDMI2_SMARTSAN);
2488 	if (rval || !ql2xsmartsan)
2489 		rval = qla2x00_fdmi_rpa(vha, CALLOPT_FDMI2);
2490 	if (rval)
2491 		goto try_fdmi;
2492 
2493 	return rval;
2494 
2495 try_fdmi:
2496 	rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI1);
2497 	if (rval) {
2498 		if (rval != QLA_ALREADY_REGISTERED)
2499 			return rval;
2500 
2501 		rval = qla2x00_fdmi_dhba(vha);
2502 		if (rval)
2503 			return rval;
2504 
2505 		rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI1);
2506 		if (rval)
2507 			return rval;
2508 	}
2509 
2510 	rval = qla2x00_fdmi_rpa(vha, CALLOPT_FDMI1);
2511 
2512 	return rval;
2513 }
2514 
2515 /**
2516  * qla2x00_gfpn_id() - SNS Get Fabric Port Name (GFPN_ID) query.
2517  * @vha: HA context
2518  * @list: switch info entries to populate
2519  *
2520  * Returns 0 on success.
2521  */
2522 int
2523 qla2x00_gfpn_id(scsi_qla_host_t *vha, sw_info_t *list)
2524 {
2525 	int		rval = QLA_SUCCESS;
2526 	uint16_t	i;
2527 	struct qla_hw_data *ha = vha->hw;
2528 	ms_iocb_entry_t	*ms_pkt;
2529 	struct ct_sns_req	*ct_req;
2530 	struct ct_sns_rsp	*ct_rsp;
2531 	struct ct_arg arg;
2532 
2533 	if (!IS_IIDMA_CAPABLE(ha))
2534 		return QLA_FUNCTION_FAILED;
2535 
2536 	arg.iocb = ha->ms_iocb;
2537 	arg.req_dma = ha->ct_sns_dma;
2538 	arg.rsp_dma = ha->ct_sns_dma;
2539 	arg.req_size = GFPN_ID_REQ_SIZE;
2540 	arg.rsp_size = GFPN_ID_RSP_SIZE;
2541 	arg.nport_handle = NPH_SNS;
2542 
2543 	for (i = 0; i < ha->max_fibre_devices; i++) {
2544 		/* Issue GFPN_ID */
2545 		/* Prepare common MS IOCB */
2546 		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
2547 
2548 		/* Prepare CT request */
2549 		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GFPN_ID_CMD,
2550 		    GFPN_ID_RSP_SIZE);
2551 		ct_rsp = &ha->ct_sns->p.rsp;
2552 
2553 		/* Prepare CT arguments -- port_id */
2554 		ct_req->req.port_id.port_id = port_id_to_be_id(list[i].d_id);
2555 
2556 		/* Execute MS IOCB */
2557 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2558 		    sizeof(ms_iocb_entry_t));
2559 		if (rval != QLA_SUCCESS) {
2560 			/*EMPTY*/
2561 			ql_dbg(ql_dbg_disc, vha, 0x2023,
2562 			    "GFPN_ID issue IOCB failed (%d).\n", rval);
2563 			break;
2564 		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
2565 		    "GFPN_ID") != QLA_SUCCESS) {
2566 			rval = QLA_FUNCTION_FAILED;
2567 			break;
2568 		} else {
2569 			/* Save fabric portname */
2570 			memcpy(list[i].fabric_port_name,
2571 			    ct_rsp->rsp.gfpn_id.port_name, WWN_SIZE);
2572 		}
2573 
2574 		/* Last device exit. */
2575 		if (list[i].d_id.b.rsvd_1 != 0)
2576 			break;
2577 	}
2578 
2579 	return (rval);
2580 }
2581 
2582 
2583 static inline struct ct_sns_req *
2584 qla24xx_prep_ct_fm_req(struct ct_sns_pkt *p, uint16_t cmd,
2585     uint16_t rsp_size)
2586 {
2587 	memset(p, 0, sizeof(struct ct_sns_pkt));
2588 
2589 	p->p.req.header.revision = 0x01;
2590 	p->p.req.header.gs_type = 0xFA;
2591 	p->p.req.header.gs_subtype = 0x01;
2592 	p->p.req.command = cpu_to_be16(cmd);
2593 	p->p.req.max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
2594 
2595 	return &p->p.req;
2596 }
2597 
2598 static uint16_t
2599 qla2x00_port_speed_capability(uint16_t speed)
2600 {
2601 	switch (speed) {
2602 	case BIT_15:
2603 		return PORT_SPEED_1GB;
2604 	case BIT_14:
2605 		return PORT_SPEED_2GB;
2606 	case BIT_13:
2607 		return PORT_SPEED_4GB;
2608 	case BIT_12:
2609 		return PORT_SPEED_10GB;
2610 	case BIT_11:
2611 		return PORT_SPEED_8GB;
2612 	case BIT_10:
2613 		return PORT_SPEED_16GB;
2614 	case BIT_8:
2615 		return PORT_SPEED_32GB;
2616 	case BIT_7:
2617 		return PORT_SPEED_64GB;
2618 	default:
2619 		return PORT_SPEED_UNKNOWN;
2620 	}
2621 }
2622 
2623 /**
2624  * qla2x00_gpsc() - FCS Get Port Speed Capabilities (GPSC) query.
2625  * @vha: HA context
2626  * @list: switch info entries to populate
2627  *
2628  * Returns 0 on success.
2629  */
2630 int
2631 qla2x00_gpsc(scsi_qla_host_t *vha, sw_info_t *list)
2632 {
2633 	int		rval;
2634 	uint16_t	i;
2635 	struct qla_hw_data *ha = vha->hw;
2636 	ms_iocb_entry_t *ms_pkt;
2637 	struct ct_sns_req	*ct_req;
2638 	struct ct_sns_rsp	*ct_rsp;
2639 	struct ct_arg arg;
2640 
2641 	if (!IS_IIDMA_CAPABLE(ha))
2642 		return QLA_FUNCTION_FAILED;
2643 	if (!ha->flags.gpsc_supported)
2644 		return QLA_FUNCTION_FAILED;
2645 
2646 	rval = qla2x00_mgmt_svr_login(vha);
2647 	if (rval)
2648 		return rval;
2649 
2650 	arg.iocb = ha->ms_iocb;
2651 	arg.req_dma = ha->ct_sns_dma;
2652 	arg.rsp_dma = ha->ct_sns_dma;
2653 	arg.req_size = GPSC_REQ_SIZE;
2654 	arg.rsp_size = GPSC_RSP_SIZE;
2655 	arg.nport_handle = vha->mgmt_svr_loop_id;
2656 
2657 	for (i = 0; i < ha->max_fibre_devices; i++) {
2658 		/* Issue GFPN_ID */
2659 		/* Prepare common MS IOCB */
2660 		ms_pkt = qla24xx_prep_ms_iocb(vha, &arg);
2661 
2662 		/* Prepare CT request */
2663 		ct_req = qla24xx_prep_ct_fm_req(ha->ct_sns, GPSC_CMD,
2664 		    GPSC_RSP_SIZE);
2665 		ct_rsp = &ha->ct_sns->p.rsp;
2666 
2667 		/* Prepare CT arguments -- port_name */
2668 		memcpy(ct_req->req.gpsc.port_name, list[i].fabric_port_name,
2669 		    WWN_SIZE);
2670 
2671 		/* Execute MS IOCB */
2672 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2673 		    sizeof(ms_iocb_entry_t));
2674 		if (rval != QLA_SUCCESS) {
2675 			/*EMPTY*/
2676 			ql_dbg(ql_dbg_disc, vha, 0x2059,
2677 			    "GPSC issue IOCB failed (%d).\n", rval);
2678 		} else if ((rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
2679 		    "GPSC")) != QLA_SUCCESS) {
2680 			/* FM command unsupported? */
2681 			if (rval == QLA_INVALID_COMMAND &&
2682 			    (ct_rsp->header.reason_code ==
2683 				CT_REASON_INVALID_COMMAND_CODE ||
2684 			     ct_rsp->header.reason_code ==
2685 				CT_REASON_COMMAND_UNSUPPORTED)) {
2686 				ql_dbg(ql_dbg_disc, vha, 0x205a,
2687 				    "GPSC command unsupported, disabling "
2688 				    "query.\n");
2689 				ha->flags.gpsc_supported = 0;
2690 				rval = QLA_FUNCTION_FAILED;
2691 				break;
2692 			}
2693 			rval = QLA_FUNCTION_FAILED;
2694 		} else {
2695 			list->fp_speed = qla2x00_port_speed_capability(
2696 			    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2697 			ql_dbg(ql_dbg_disc, vha, 0x205b,
2698 			    "GPSC ext entry - fpn "
2699 			    "%8phN speeds=%04x speed=%04x.\n",
2700 			    list[i].fabric_port_name,
2701 			    be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
2702 			    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2703 		}
2704 
2705 		/* Last device exit. */
2706 		if (list[i].d_id.b.rsvd_1 != 0)
2707 			break;
2708 	}
2709 
2710 	return (rval);
2711 }
2712 
2713 /**
2714  * qla2x00_gff_id() - SNS Get FC-4 Features (GFF_ID) query.
2715  *
2716  * @vha: HA context
2717  * @list: switch info entries to populate
2718  *
2719  */
2720 void
2721 qla2x00_gff_id(scsi_qla_host_t *vha, sw_info_t *list)
2722 {
2723 	int		rval;
2724 	uint16_t	i;
2725 
2726 	ms_iocb_entry_t	*ms_pkt;
2727 	struct ct_sns_req	*ct_req;
2728 	struct ct_sns_rsp	*ct_rsp;
2729 	struct qla_hw_data *ha = vha->hw;
2730 	uint8_t fcp_scsi_features = 0, nvme_features = 0;
2731 	struct ct_arg arg;
2732 
2733 	for (i = 0; i < ha->max_fibre_devices; i++) {
2734 		/* Set default FC4 Type as UNKNOWN so the default is to
2735 		 * Process this port */
2736 		list[i].fc4_type = 0;
2737 
2738 		/* Do not attempt GFF_ID if we are not FWI_2 capable */
2739 		if (!IS_FWI2_CAPABLE(ha))
2740 			continue;
2741 
2742 		arg.iocb = ha->ms_iocb;
2743 		arg.req_dma = ha->ct_sns_dma;
2744 		arg.rsp_dma = ha->ct_sns_dma;
2745 		arg.req_size = GFF_ID_REQ_SIZE;
2746 		arg.rsp_size = GFF_ID_RSP_SIZE;
2747 		arg.nport_handle = NPH_SNS;
2748 
2749 		/* Prepare common MS IOCB */
2750 		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
2751 
2752 		/* Prepare CT request */
2753 		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GFF_ID_CMD,
2754 		    GFF_ID_RSP_SIZE);
2755 		ct_rsp = &ha->ct_sns->p.rsp;
2756 
2757 		/* Prepare CT arguments -- port_id */
2758 		ct_req->req.port_id.port_id = port_id_to_be_id(list[i].d_id);
2759 
2760 		/* Execute MS IOCB */
2761 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2762 		   sizeof(ms_iocb_entry_t));
2763 
2764 		if (rval != QLA_SUCCESS) {
2765 			ql_dbg(ql_dbg_disc, vha, 0x205c,
2766 			    "GFF_ID issue IOCB failed (%d).\n", rval);
2767 		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
2768 			       "GFF_ID") != QLA_SUCCESS) {
2769 			ql_dbg(ql_dbg_disc, vha, 0x205d,
2770 			    "GFF_ID IOCB status had a failure status code.\n");
2771 		} else {
2772 			fcp_scsi_features =
2773 			   ct_rsp->rsp.gff_id.fc4_features[GFF_FCP_SCSI_OFFSET];
2774 			fcp_scsi_features &= 0x0f;
2775 
2776 			if (fcp_scsi_features) {
2777 				list[i].fc4_type = FS_FC4TYPE_FCP;
2778 				list[i].fc4_features = fcp_scsi_features;
2779 			}
2780 
2781 			nvme_features =
2782 			    ct_rsp->rsp.gff_id.fc4_features[GFF_NVME_OFFSET];
2783 			nvme_features &= 0xf;
2784 
2785 			if (nvme_features) {
2786 				list[i].fc4_type |= FS_FC4TYPE_NVME;
2787 				list[i].fc4_features = nvme_features;
2788 			}
2789 		}
2790 
2791 		/* Last device exit. */
2792 		if (list[i].d_id.b.rsvd_1 != 0)
2793 			break;
2794 	}
2795 }
2796 
2797 int qla24xx_post_gpsc_work(struct scsi_qla_host *vha, fc_port_t *fcport)
2798 {
2799 	struct qla_work_evt *e;
2800 
2801 	e = qla2x00_alloc_work(vha, QLA_EVT_GPSC);
2802 	if (!e)
2803 		return QLA_FUNCTION_FAILED;
2804 
2805 	e->u.fcport.fcport = fcport;
2806 	return qla2x00_post_work(vha, e);
2807 }
2808 
2809 void qla24xx_handle_gpsc_event(scsi_qla_host_t *vha, struct event_arg *ea)
2810 {
2811 	struct fc_port *fcport = ea->fcport;
2812 
2813 	ql_dbg(ql_dbg_disc, vha, 0x20d8,
2814 	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
2815 	    __func__, fcport->port_name, fcport->disc_state,
2816 	    fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
2817 	    ea->sp->gen2, fcport->rscn_gen|ea->sp->gen1, fcport->loop_id);
2818 
2819 	if (fcport->disc_state == DSC_DELETE_PEND)
2820 		return;
2821 
2822 	if (ea->sp->gen2 != fcport->login_gen) {
2823 		/* target side must have changed it. */
2824 		ql_dbg(ql_dbg_disc, vha, 0x20d3,
2825 		    "%s %8phC generation changed\n",
2826 		    __func__, fcport->port_name);
2827 		return;
2828 	} else if (ea->sp->gen1 != fcport->rscn_gen) {
2829 		return;
2830 	}
2831 
2832 	qla_post_iidma_work(vha, fcport);
2833 }
2834 
2835 static void qla24xx_async_gpsc_sp_done(srb_t *sp, int res)
2836 {
2837 	struct scsi_qla_host *vha = sp->vha;
2838 	struct qla_hw_data *ha = vha->hw;
2839 	fc_port_t *fcport = sp->fcport;
2840 	struct ct_sns_rsp       *ct_rsp;
2841 	struct event_arg ea;
2842 
2843 	ct_rsp = &fcport->ct_desc.ct_sns->p.rsp;
2844 
2845 	ql_dbg(ql_dbg_disc, vha, 0x2053,
2846 	    "Async done-%s res %x, WWPN %8phC \n",
2847 	    sp->name, res, fcport->port_name);
2848 
2849 	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
2850 
2851 	if (res == QLA_FUNCTION_TIMEOUT)
2852 		goto done;
2853 
2854 	if (res == (DID_ERROR << 16)) {
2855 		/* entry status error */
2856 		goto done;
2857 	} else if (res) {
2858 		if ((ct_rsp->header.reason_code ==
2859 			 CT_REASON_INVALID_COMMAND_CODE) ||
2860 			(ct_rsp->header.reason_code ==
2861 			CT_REASON_COMMAND_UNSUPPORTED)) {
2862 			ql_dbg(ql_dbg_disc, vha, 0x2019,
2863 			    "GPSC command unsupported, disabling query.\n");
2864 			ha->flags.gpsc_supported = 0;
2865 			goto done;
2866 		}
2867 	} else {
2868 		fcport->fp_speed = qla2x00_port_speed_capability(
2869 		    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2870 
2871 		ql_dbg(ql_dbg_disc, vha, 0x2054,
2872 		    "Async-%s OUT WWPN %8phC speeds=%04x speed=%04x.\n",
2873 		    sp->name, fcport->fabric_port_name,
2874 		    be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
2875 		    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2876 	}
2877 	memset(&ea, 0, sizeof(ea));
2878 	ea.rc = res;
2879 	ea.fcport = fcport;
2880 	ea.sp = sp;
2881 	qla24xx_handle_gpsc_event(vha, &ea);
2882 
2883 done:
2884 	sp->free(sp);
2885 }
2886 
2887 int qla24xx_async_gpsc(scsi_qla_host_t *vha, fc_port_t *fcport)
2888 {
2889 	int rval = QLA_FUNCTION_FAILED;
2890 	struct ct_sns_req       *ct_req;
2891 	srb_t *sp;
2892 
2893 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
2894 		return rval;
2895 
2896 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2897 	if (!sp)
2898 		goto done;
2899 
2900 	sp->type = SRB_CT_PTHRU_CMD;
2901 	sp->name = "gpsc";
2902 	sp->gen1 = fcport->rscn_gen;
2903 	sp->gen2 = fcport->login_gen;
2904 
2905 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
2906 
2907 	/* CT_IU preamble  */
2908 	ct_req = qla24xx_prep_ct_fm_req(fcport->ct_desc.ct_sns, GPSC_CMD,
2909 		GPSC_RSP_SIZE);
2910 
2911 	/* GPSC req */
2912 	memcpy(ct_req->req.gpsc.port_name, fcport->fabric_port_name,
2913 		WWN_SIZE);
2914 
2915 	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
2916 	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
2917 	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
2918 	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
2919 	sp->u.iocb_cmd.u.ctarg.req_size = GPSC_REQ_SIZE;
2920 	sp->u.iocb_cmd.u.ctarg.rsp_size = GPSC_RSP_SIZE;
2921 	sp->u.iocb_cmd.u.ctarg.nport_handle = vha->mgmt_svr_loop_id;
2922 
2923 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
2924 	sp->done = qla24xx_async_gpsc_sp_done;
2925 
2926 	ql_dbg(ql_dbg_disc, vha, 0x205e,
2927 	    "Async-%s %8phC hdl=%x loopid=%x portid=%02x%02x%02x.\n",
2928 	    sp->name, fcport->port_name, sp->handle,
2929 	    fcport->loop_id, fcport->d_id.b.domain,
2930 	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
2931 
2932 	rval = qla2x00_start_sp(sp);
2933 	if (rval != QLA_SUCCESS)
2934 		goto done_free_sp;
2935 	return rval;
2936 
2937 done_free_sp:
2938 	sp->free(sp);
2939 done:
2940 	return rval;
2941 }
2942 
2943 int qla24xx_post_gpnid_work(struct scsi_qla_host *vha, port_id_t *id)
2944 {
2945 	struct qla_work_evt *e;
2946 
2947 	if (test_bit(UNLOADING, &vha->dpc_flags) ||
2948 	    (vha->vp_idx && test_bit(VPORT_DELETE, &vha->dpc_flags)))
2949 		return 0;
2950 
2951 	e = qla2x00_alloc_work(vha, QLA_EVT_GPNID);
2952 	if (!e)
2953 		return QLA_FUNCTION_FAILED;
2954 
2955 	e->u.gpnid.id = *id;
2956 	return qla2x00_post_work(vha, e);
2957 }
2958 
2959 void qla24xx_sp_unmap(scsi_qla_host_t *vha, srb_t *sp)
2960 {
2961 	struct srb_iocb *c = &sp->u.iocb_cmd;
2962 
2963 	switch (sp->type) {
2964 	case SRB_ELS_DCMD:
2965 		qla2x00_els_dcmd2_free(vha, &c->u.els_plogi);
2966 		break;
2967 	case SRB_CT_PTHRU_CMD:
2968 	default:
2969 		if (sp->u.iocb_cmd.u.ctarg.req) {
2970 			dma_free_coherent(&vha->hw->pdev->dev,
2971 			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
2972 			    sp->u.iocb_cmd.u.ctarg.req,
2973 			    sp->u.iocb_cmd.u.ctarg.req_dma);
2974 			sp->u.iocb_cmd.u.ctarg.req = NULL;
2975 		}
2976 
2977 		if (sp->u.iocb_cmd.u.ctarg.rsp) {
2978 			dma_free_coherent(&vha->hw->pdev->dev,
2979 			    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
2980 			    sp->u.iocb_cmd.u.ctarg.rsp,
2981 			    sp->u.iocb_cmd.u.ctarg.rsp_dma);
2982 			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
2983 		}
2984 		break;
2985 	}
2986 
2987 	sp->free(sp);
2988 }
2989 
2990 void qla24xx_handle_gpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
2991 {
2992 	fc_port_t *fcport, *conflict, *t;
2993 	u16 data[2];
2994 
2995 	ql_dbg(ql_dbg_disc, vha, 0xffff,
2996 	    "%s %d port_id: %06x\n",
2997 	    __func__, __LINE__, ea->id.b24);
2998 
2999 	if (ea->rc) {
3000 		/* cable is disconnected */
3001 		list_for_each_entry_safe(fcport, t, &vha->vp_fcports, list) {
3002 			if (fcport->d_id.b24 == ea->id.b24)
3003 				fcport->scan_state = QLA_FCPORT_SCAN;
3004 
3005 			qlt_schedule_sess_for_deletion(fcport);
3006 		}
3007 	} else {
3008 		/* cable is connected */
3009 		fcport = qla2x00_find_fcport_by_wwpn(vha, ea->port_name, 1);
3010 		if (fcport) {
3011 			list_for_each_entry_safe(conflict, t, &vha->vp_fcports,
3012 			    list) {
3013 				if ((conflict->d_id.b24 == ea->id.b24) &&
3014 				    (fcport != conflict))
3015 					/*
3016 					 * 2 fcports with conflict Nport ID or
3017 					 * an existing fcport is having nport ID
3018 					 * conflict with new fcport.
3019 					 */
3020 
3021 					conflict->scan_state = QLA_FCPORT_SCAN;
3022 
3023 				qlt_schedule_sess_for_deletion(conflict);
3024 			}
3025 
3026 			fcport->scan_needed = 0;
3027 			fcport->rscn_gen++;
3028 			fcport->scan_state = QLA_FCPORT_FOUND;
3029 			fcport->flags |= FCF_FABRIC_DEVICE;
3030 			if (fcport->login_retry == 0) {
3031 				fcport->login_retry =
3032 					vha->hw->login_retry_count;
3033 				ql_dbg(ql_dbg_disc, vha, 0xffff,
3034 				    "Port login retry %8phN, lid 0x%04x cnt=%d.\n",
3035 				    fcport->port_name, fcport->loop_id,
3036 				    fcport->login_retry);
3037 			}
3038 			switch (fcport->disc_state) {
3039 			case DSC_LOGIN_COMPLETE:
3040 				/* recheck session is still intact. */
3041 				ql_dbg(ql_dbg_disc, vha, 0x210d,
3042 				    "%s %d %8phC revalidate session with ADISC\n",
3043 				    __func__, __LINE__, fcport->port_name);
3044 				data[0] = data[1] = 0;
3045 				qla2x00_post_async_adisc_work(vha, fcport,
3046 				    data);
3047 				break;
3048 			case DSC_DELETED:
3049 				ql_dbg(ql_dbg_disc, vha, 0x210d,
3050 				    "%s %d %8phC login\n", __func__, __LINE__,
3051 				    fcport->port_name);
3052 				fcport->d_id = ea->id;
3053 				qla24xx_fcport_handle_login(vha, fcport);
3054 				break;
3055 			case DSC_DELETE_PEND:
3056 				fcport->d_id = ea->id;
3057 				break;
3058 			default:
3059 				fcport->d_id = ea->id;
3060 				break;
3061 			}
3062 		} else {
3063 			list_for_each_entry_safe(conflict, t, &vha->vp_fcports,
3064 			    list) {
3065 				if (conflict->d_id.b24 == ea->id.b24) {
3066 					/* 2 fcports with conflict Nport ID or
3067 					 * an existing fcport is having nport ID
3068 					 * conflict with new fcport.
3069 					 */
3070 					ql_dbg(ql_dbg_disc, vha, 0xffff,
3071 					    "%s %d %8phC DS %d\n",
3072 					    __func__, __LINE__,
3073 					    conflict->port_name,
3074 					    conflict->disc_state);
3075 
3076 					conflict->scan_state = QLA_FCPORT_SCAN;
3077 					qlt_schedule_sess_for_deletion(conflict);
3078 				}
3079 			}
3080 
3081 			/* create new fcport */
3082 			ql_dbg(ql_dbg_disc, vha, 0x2065,
3083 			    "%s %d %8phC post new sess\n",
3084 			    __func__, __LINE__, ea->port_name);
3085 			qla24xx_post_newsess_work(vha, &ea->id,
3086 			    ea->port_name, NULL, NULL, 0);
3087 		}
3088 	}
3089 }
3090 
3091 static void qla2x00_async_gpnid_sp_done(srb_t *sp, int res)
3092 {
3093 	struct scsi_qla_host *vha = sp->vha;
3094 	struct ct_sns_req *ct_req =
3095 	    (struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
3096 	struct ct_sns_rsp *ct_rsp =
3097 	    (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp;
3098 	struct event_arg ea;
3099 	struct qla_work_evt *e;
3100 	unsigned long flags;
3101 
3102 	if (res)
3103 		ql_dbg(ql_dbg_disc, vha, 0x2066,
3104 		    "Async done-%s fail res %x rscn gen %d ID %3phC. %8phC\n",
3105 		    sp->name, res, sp->gen1, &ct_req->req.port_id.port_id,
3106 		    ct_rsp->rsp.gpn_id.port_name);
3107 	else
3108 		ql_dbg(ql_dbg_disc, vha, 0x2066,
3109 		    "Async done-%s good rscn gen %d ID %3phC. %8phC\n",
3110 		    sp->name, sp->gen1, &ct_req->req.port_id.port_id,
3111 		    ct_rsp->rsp.gpn_id.port_name);
3112 
3113 	memset(&ea, 0, sizeof(ea));
3114 	memcpy(ea.port_name, ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
3115 	ea.sp = sp;
3116 	ea.id = be_to_port_id(ct_req->req.port_id.port_id);
3117 	ea.rc = res;
3118 
3119 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
3120 	list_del(&sp->elem);
3121 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
3122 
3123 	if (res) {
3124 		if (res == QLA_FUNCTION_TIMEOUT) {
3125 			qla24xx_post_gpnid_work(sp->vha, &ea.id);
3126 			sp->free(sp);
3127 			return;
3128 		}
3129 	} else if (sp->gen1) {
3130 		/* There was another RSCN for this Nport ID */
3131 		qla24xx_post_gpnid_work(sp->vha, &ea.id);
3132 		sp->free(sp);
3133 		return;
3134 	}
3135 
3136 	qla24xx_handle_gpnid_event(vha, &ea);
3137 
3138 	e = qla2x00_alloc_work(vha, QLA_EVT_UNMAP);
3139 	if (!e) {
3140 		/* please ignore kernel warning. otherwise, we have mem leak. */
3141 		dma_free_coherent(&vha->hw->pdev->dev,
3142 				  sp->u.iocb_cmd.u.ctarg.req_allocated_size,
3143 				  sp->u.iocb_cmd.u.ctarg.req,
3144 				  sp->u.iocb_cmd.u.ctarg.req_dma);
3145 		sp->u.iocb_cmd.u.ctarg.req = NULL;
3146 
3147 		dma_free_coherent(&vha->hw->pdev->dev,
3148 				  sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
3149 				  sp->u.iocb_cmd.u.ctarg.rsp,
3150 				  sp->u.iocb_cmd.u.ctarg.rsp_dma);
3151 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
3152 
3153 		sp->free(sp);
3154 		return;
3155 	}
3156 
3157 	e->u.iosb.sp = sp;
3158 	qla2x00_post_work(vha, e);
3159 }
3160 
3161 /* Get WWPN with Nport ID. */
3162 int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id)
3163 {
3164 	int rval = QLA_FUNCTION_FAILED;
3165 	struct ct_sns_req       *ct_req;
3166 	srb_t *sp, *tsp;
3167 	struct ct_sns_pkt *ct_sns;
3168 	unsigned long flags;
3169 
3170 	if (!vha->flags.online)
3171 		goto done;
3172 
3173 	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
3174 	if (!sp)
3175 		goto done;
3176 
3177 	sp->type = SRB_CT_PTHRU_CMD;
3178 	sp->name = "gpnid";
3179 	sp->u.iocb_cmd.u.ctarg.id = *id;
3180 	sp->gen1 = 0;
3181 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
3182 
3183 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
3184 	list_for_each_entry(tsp, &vha->gpnid_list, elem) {
3185 		if (tsp->u.iocb_cmd.u.ctarg.id.b24 == id->b24) {
3186 			tsp->gen1++;
3187 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
3188 			sp->free(sp);
3189 			goto done;
3190 		}
3191 	}
3192 	list_add_tail(&sp->elem, &vha->gpnid_list);
3193 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
3194 
3195 	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
3196 		sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
3197 		GFP_KERNEL);
3198 	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
3199 	if (!sp->u.iocb_cmd.u.ctarg.req) {
3200 		ql_log(ql_log_warn, vha, 0xd041,
3201 		    "Failed to allocate ct_sns request.\n");
3202 		goto done_free_sp;
3203 	}
3204 
3205 	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
3206 		sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
3207 		GFP_KERNEL);
3208 	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
3209 	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
3210 		ql_log(ql_log_warn, vha, 0xd042,
3211 		    "Failed to allocate ct_sns request.\n");
3212 		goto done_free_sp;
3213 	}
3214 
3215 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
3216 	memset(ct_sns, 0, sizeof(*ct_sns));
3217 
3218 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
3219 	/* CT_IU preamble  */
3220 	ct_req = qla2x00_prep_ct_req(ct_sns, GPN_ID_CMD, GPN_ID_RSP_SIZE);
3221 
3222 	/* GPN_ID req */
3223 	ct_req->req.port_id.port_id = port_id_to_be_id(*id);
3224 
3225 	sp->u.iocb_cmd.u.ctarg.req_size = GPN_ID_REQ_SIZE;
3226 	sp->u.iocb_cmd.u.ctarg.rsp_size = GPN_ID_RSP_SIZE;
3227 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
3228 
3229 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
3230 	sp->done = qla2x00_async_gpnid_sp_done;
3231 
3232 	ql_dbg(ql_dbg_disc, vha, 0x2067,
3233 	    "Async-%s hdl=%x ID %3phC.\n", sp->name,
3234 	    sp->handle, &ct_req->req.port_id.port_id);
3235 
3236 	rval = qla2x00_start_sp(sp);
3237 	if (rval != QLA_SUCCESS)
3238 		goto done_free_sp;
3239 
3240 	return rval;
3241 
3242 done_free_sp:
3243 	spin_lock_irqsave(&vha->hw->vport_slock, flags);
3244 	list_del(&sp->elem);
3245 	spin_unlock_irqrestore(&vha->hw->vport_slock, flags);
3246 
3247 	if (sp->u.iocb_cmd.u.ctarg.req) {
3248 		dma_free_coherent(&vha->hw->pdev->dev,
3249 			sizeof(struct ct_sns_pkt),
3250 			sp->u.iocb_cmd.u.ctarg.req,
3251 			sp->u.iocb_cmd.u.ctarg.req_dma);
3252 		sp->u.iocb_cmd.u.ctarg.req = NULL;
3253 	}
3254 	if (sp->u.iocb_cmd.u.ctarg.rsp) {
3255 		dma_free_coherent(&vha->hw->pdev->dev,
3256 			sizeof(struct ct_sns_pkt),
3257 			sp->u.iocb_cmd.u.ctarg.rsp,
3258 			sp->u.iocb_cmd.u.ctarg.rsp_dma);
3259 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
3260 	}
3261 
3262 	sp->free(sp);
3263 done:
3264 	return rval;
3265 }
3266 
3267 void qla24xx_handle_gffid_event(scsi_qla_host_t *vha, struct event_arg *ea)
3268 {
3269 	fc_port_t *fcport = ea->fcport;
3270 
3271 	qla24xx_post_gnl_work(vha, fcport);
3272 }
3273 
3274 void qla24xx_async_gffid_sp_done(srb_t *sp, int res)
3275 {
3276 	struct scsi_qla_host *vha = sp->vha;
3277 	fc_port_t *fcport = sp->fcport;
3278 	struct ct_sns_rsp *ct_rsp;
3279 	struct event_arg ea;
3280 	uint8_t fc4_scsi_feat;
3281 	uint8_t fc4_nvme_feat;
3282 
3283 	ql_dbg(ql_dbg_disc, vha, 0x2133,
3284 	       "Async done-%s res %x ID %x. %8phC\n",
3285 	       sp->name, res, fcport->d_id.b24, fcport->port_name);
3286 
3287 	fcport->flags &= ~FCF_ASYNC_SENT;
3288 	ct_rsp = &fcport->ct_desc.ct_sns->p.rsp;
3289 	fc4_scsi_feat = ct_rsp->rsp.gff_id.fc4_features[GFF_FCP_SCSI_OFFSET];
3290 	fc4_nvme_feat = ct_rsp->rsp.gff_id.fc4_features[GFF_NVME_OFFSET];
3291 
3292 	/*
3293 	 * FC-GS-7, 5.2.3.12 FC-4 Features - format
3294 	 * The format of the FC-4 Features object, as defined by the FC-4,
3295 	 * Shall be an array of 4-bit values, one for each type code value
3296 	 */
3297 	if (!res) {
3298 		if (fc4_scsi_feat & 0xf) {
3299 			/* w1 b00:03 */
3300 			fcport->fc4_type = FS_FC4TYPE_FCP;
3301 			fcport->fc4_features = fc4_scsi_feat & 0xf;
3302 		}
3303 
3304 		if (fc4_nvme_feat & 0xf) {
3305 			/* w5 [00:03]/28h */
3306 			fcport->fc4_type |= FS_FC4TYPE_NVME;
3307 			fcport->fc4_features = fc4_nvme_feat & 0xf;
3308 		}
3309 	}
3310 
3311 	memset(&ea, 0, sizeof(ea));
3312 	ea.sp = sp;
3313 	ea.fcport = sp->fcport;
3314 	ea.rc = res;
3315 
3316 	qla24xx_handle_gffid_event(vha, &ea);
3317 	sp->free(sp);
3318 }
3319 
3320 /* Get FC4 Feature with Nport ID. */
3321 int qla24xx_async_gffid(scsi_qla_host_t *vha, fc_port_t *fcport)
3322 {
3323 	int rval = QLA_FUNCTION_FAILED;
3324 	struct ct_sns_req       *ct_req;
3325 	srb_t *sp;
3326 
3327 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
3328 		return rval;
3329 
3330 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
3331 	if (!sp)
3332 		return rval;
3333 
3334 	fcport->flags |= FCF_ASYNC_SENT;
3335 	sp->type = SRB_CT_PTHRU_CMD;
3336 	sp->name = "gffid";
3337 	sp->gen1 = fcport->rscn_gen;
3338 	sp->gen2 = fcport->login_gen;
3339 
3340 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
3341 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
3342 
3343 	/* CT_IU preamble  */
3344 	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GFF_ID_CMD,
3345 	    GFF_ID_RSP_SIZE);
3346 
3347 	ct_req->req.gff_id.port_id[0] = fcport->d_id.b.domain;
3348 	ct_req->req.gff_id.port_id[1] = fcport->d_id.b.area;
3349 	ct_req->req.gff_id.port_id[2] = fcport->d_id.b.al_pa;
3350 
3351 	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
3352 	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
3353 	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
3354 	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
3355 	sp->u.iocb_cmd.u.ctarg.req_size = GFF_ID_REQ_SIZE;
3356 	sp->u.iocb_cmd.u.ctarg.rsp_size = GFF_ID_RSP_SIZE;
3357 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
3358 
3359 	sp->done = qla24xx_async_gffid_sp_done;
3360 
3361 	ql_dbg(ql_dbg_disc, vha, 0x2132,
3362 	    "Async-%s hdl=%x  %8phC.\n", sp->name,
3363 	    sp->handle, fcport->port_name);
3364 
3365 	rval = qla2x00_start_sp(sp);
3366 	if (rval != QLA_SUCCESS)
3367 		goto done_free_sp;
3368 
3369 	return rval;
3370 done_free_sp:
3371 	sp->free(sp);
3372 	fcport->flags &= ~FCF_ASYNC_SENT;
3373 	return rval;
3374 }
3375 
3376 /* GPN_FT + GNN_FT*/
3377 static int qla2x00_is_a_vp(scsi_qla_host_t *vha, u64 wwn)
3378 {
3379 	struct qla_hw_data *ha = vha->hw;
3380 	scsi_qla_host_t *vp;
3381 	unsigned long flags;
3382 	u64 twwn;
3383 	int rc = 0;
3384 
3385 	if (!ha->num_vhosts)
3386 		return 0;
3387 
3388 	spin_lock_irqsave(&ha->vport_slock, flags);
3389 	list_for_each_entry(vp, &ha->vp_list, list) {
3390 		twwn = wwn_to_u64(vp->port_name);
3391 		if (wwn == twwn) {
3392 			rc = 1;
3393 			break;
3394 		}
3395 	}
3396 	spin_unlock_irqrestore(&ha->vport_slock, flags);
3397 
3398 	return rc;
3399 }
3400 
3401 void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp)
3402 {
3403 	fc_port_t *fcport;
3404 	u32 i, rc;
3405 	bool found;
3406 	struct fab_scan_rp *rp, *trp;
3407 	unsigned long flags;
3408 	u8 recheck = 0;
3409 	u16 dup = 0, dup_cnt = 0;
3410 
3411 	ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3412 	    "%s enter\n", __func__);
3413 
3414 	if (sp->gen1 != vha->hw->base_qpair->chip_reset) {
3415 		ql_dbg(ql_dbg_disc, vha, 0xffff,
3416 		    "%s scan stop due to chip reset %x/%x\n",
3417 		    sp->name, sp->gen1, vha->hw->base_qpair->chip_reset);
3418 		goto out;
3419 	}
3420 
3421 	rc = sp->rc;
3422 	if (rc) {
3423 		vha->scan.scan_retry++;
3424 		if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
3425 			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3426 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3427 			goto out;
3428 		} else {
3429 			ql_dbg(ql_dbg_disc, vha, 0xffff,
3430 			    "%s: Fabric scan failed for %d retries.\n",
3431 			    __func__, vha->scan.scan_retry);
3432 			/*
3433 			 * Unable to scan any rports. logout loop below
3434 			 * will unregister all sessions.
3435 			 */
3436 			list_for_each_entry(fcport, &vha->vp_fcports, list) {
3437 				if ((fcport->flags & FCF_FABRIC_DEVICE) != 0) {
3438 					fcport->scan_state = QLA_FCPORT_SCAN;
3439 					fcport->logout_on_delete = 0;
3440 				}
3441 			}
3442 			goto login_logout;
3443 		}
3444 	}
3445 	vha->scan.scan_retry = 0;
3446 
3447 	list_for_each_entry(fcport, &vha->vp_fcports, list)
3448 		fcport->scan_state = QLA_FCPORT_SCAN;
3449 
3450 	for (i = 0; i < vha->hw->max_fibre_devices; i++) {
3451 		u64 wwn;
3452 		int k;
3453 
3454 		rp = &vha->scan.l[i];
3455 		found = false;
3456 
3457 		wwn = wwn_to_u64(rp->port_name);
3458 		if (wwn == 0)
3459 			continue;
3460 
3461 		/* Remove duplicate NPORT ID entries from switch data base */
3462 		for (k = i + 1; k < vha->hw->max_fibre_devices; k++) {
3463 			trp = &vha->scan.l[k];
3464 			if (rp->id.b24 == trp->id.b24) {
3465 				dup = 1;
3466 				dup_cnt++;
3467 				ql_dbg(ql_dbg_disc + ql_dbg_verbose,
3468 				    vha, 0xffff,
3469 				    "Detected duplicate NPORT ID from switch data base: ID %06x WWN %8phN WWN %8phN\n",
3470 				    rp->id.b24, rp->port_name, trp->port_name);
3471 				memset(trp, 0, sizeof(*trp));
3472 			}
3473 		}
3474 
3475 		if (!memcmp(rp->port_name, vha->port_name, WWN_SIZE))
3476 			continue;
3477 
3478 		/* Bypass reserved domain fields. */
3479 		if ((rp->id.b.domain & 0xf0) == 0xf0)
3480 			continue;
3481 
3482 		/* Bypass virtual ports of the same host. */
3483 		if (qla2x00_is_a_vp(vha, wwn))
3484 			continue;
3485 
3486 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3487 			if (memcmp(rp->port_name, fcport->port_name, WWN_SIZE))
3488 				continue;
3489 			fcport->scan_state = QLA_FCPORT_FOUND;
3490 			fcport->last_rscn_gen = fcport->rscn_gen;
3491 			found = true;
3492 			/*
3493 			 * If device was not a fabric device before.
3494 			 */
3495 			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3496 				qla2x00_clear_loop_id(fcport);
3497 				fcport->flags |= FCF_FABRIC_DEVICE;
3498 			} else if (fcport->d_id.b24 != rp->id.b24 ||
3499 				fcport->scan_needed) {
3500 				qlt_schedule_sess_for_deletion(fcport);
3501 			}
3502 			fcport->d_id.b24 = rp->id.b24;
3503 			fcport->scan_needed = 0;
3504 			break;
3505 		}
3506 
3507 		if (!found) {
3508 			ql_dbg(ql_dbg_disc, vha, 0xffff,
3509 			    "%s %d %8phC post new sess\n",
3510 			    __func__, __LINE__, rp->port_name);
3511 			qla24xx_post_newsess_work(vha, &rp->id, rp->port_name,
3512 			    rp->node_name, NULL, rp->fc4type);
3513 		}
3514 	}
3515 
3516 	if (dup) {
3517 		ql_log(ql_log_warn, vha, 0xffff,
3518 		    "Detected %d duplicate NPORT ID(s) from switch data base\n",
3519 		    dup_cnt);
3520 	}
3521 
3522 login_logout:
3523 	/*
3524 	 * Logout all previous fabric dev marked lost, except FCP2 devices.
3525 	 */
3526 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3527 		if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3528 			fcport->scan_needed = 0;
3529 			continue;
3530 		}
3531 
3532 		if (fcport->scan_state != QLA_FCPORT_FOUND) {
3533 			fcport->scan_needed = 0;
3534 			if ((qla_dual_mode_enabled(vha) ||
3535 				qla_ini_mode_enabled(vha)) &&
3536 			    atomic_read(&fcport->state) == FCS_ONLINE) {
3537 				if (fcport->loop_id != FC_NO_LOOP_ID) {
3538 					if (fcport->flags & FCF_FCP2_DEVICE)
3539 						fcport->logout_on_delete = 0;
3540 
3541 					ql_dbg(ql_dbg_disc, vha, 0x20f0,
3542 					    "%s %d %8phC post del sess\n",
3543 					    __func__, __LINE__,
3544 					    fcport->port_name);
3545 
3546 					qlt_schedule_sess_for_deletion(fcport);
3547 					continue;
3548 				}
3549 			}
3550 		} else {
3551 			if (fcport->scan_needed ||
3552 			    fcport->disc_state != DSC_LOGIN_COMPLETE) {
3553 				if (fcport->login_retry == 0) {
3554 					fcport->login_retry =
3555 						vha->hw->login_retry_count;
3556 					ql_dbg(ql_dbg_disc, vha, 0x20a3,
3557 					    "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n",
3558 					    fcport->port_name, fcport->loop_id,
3559 					    fcport->login_retry);
3560 				}
3561 				fcport->scan_needed = 0;
3562 				qla24xx_fcport_handle_login(vha, fcport);
3563 			}
3564 		}
3565 	}
3566 
3567 	recheck = 1;
3568 out:
3569 	qla24xx_sp_unmap(vha, sp);
3570 	spin_lock_irqsave(&vha->work_lock, flags);
3571 	vha->scan.scan_flags &= ~SF_SCANNING;
3572 	spin_unlock_irqrestore(&vha->work_lock, flags);
3573 
3574 	if (recheck) {
3575 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3576 			if (fcport->scan_needed) {
3577 				set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3578 				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3579 				break;
3580 			}
3581 		}
3582 	}
3583 }
3584 
3585 static int qla2x00_post_gnnft_gpnft_done_work(struct scsi_qla_host *vha,
3586     srb_t *sp, int cmd)
3587 {
3588 	struct qla_work_evt *e;
3589 
3590 	if (cmd != QLA_EVT_GPNFT_DONE && cmd != QLA_EVT_GNNFT_DONE)
3591 		return QLA_PARAMETER_ERROR;
3592 
3593 	e = qla2x00_alloc_work(vha, cmd);
3594 	if (!e)
3595 		return QLA_FUNCTION_FAILED;
3596 
3597 	e->u.iosb.sp = sp;
3598 
3599 	return qla2x00_post_work(vha, e);
3600 }
3601 
3602 static int qla2x00_post_nvme_gpnft_work(struct scsi_qla_host *vha,
3603     srb_t *sp, int cmd)
3604 {
3605 	struct qla_work_evt *e;
3606 
3607 	if (cmd != QLA_EVT_GPNFT)
3608 		return QLA_PARAMETER_ERROR;
3609 
3610 	e = qla2x00_alloc_work(vha, cmd);
3611 	if (!e)
3612 		return QLA_FUNCTION_FAILED;
3613 
3614 	e->u.gpnft.fc4_type = FC4_TYPE_NVME;
3615 	e->u.gpnft.sp = sp;
3616 
3617 	return qla2x00_post_work(vha, e);
3618 }
3619 
3620 static void qla2x00_find_free_fcp_nvme_slot(struct scsi_qla_host *vha,
3621 	struct srb *sp)
3622 {
3623 	struct qla_hw_data *ha = vha->hw;
3624 	int num_fibre_dev = ha->max_fibre_devices;
3625 	struct ct_sns_req *ct_req =
3626 		(struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
3627 	struct ct_sns_gpnft_rsp *ct_rsp =
3628 		(struct ct_sns_gpnft_rsp *)sp->u.iocb_cmd.u.ctarg.rsp;
3629 	struct ct_sns_gpn_ft_data *d;
3630 	struct fab_scan_rp *rp;
3631 	u16 cmd = be16_to_cpu(ct_req->command);
3632 	u8 fc4_type = sp->gen2;
3633 	int i, j, k;
3634 	port_id_t id;
3635 	u8 found;
3636 	u64 wwn;
3637 
3638 	j = 0;
3639 	for (i = 0; i < num_fibre_dev; i++) {
3640 		d  = &ct_rsp->entries[i];
3641 
3642 		id.b.rsvd_1 = 0;
3643 		id.b.domain = d->port_id[0];
3644 		id.b.area   = d->port_id[1];
3645 		id.b.al_pa  = d->port_id[2];
3646 		wwn = wwn_to_u64(d->port_name);
3647 
3648 		if (id.b24 == 0 || wwn == 0)
3649 			continue;
3650 
3651 		if (fc4_type == FC4_TYPE_FCP_SCSI) {
3652 			if (cmd == GPN_FT_CMD) {
3653 				rp = &vha->scan.l[j];
3654 				rp->id = id;
3655 				memcpy(rp->port_name, d->port_name, 8);
3656 				j++;
3657 				rp->fc4type = FS_FC4TYPE_FCP;
3658 			} else {
3659 				for (k = 0; k < num_fibre_dev; k++) {
3660 					rp = &vha->scan.l[k];
3661 					if (id.b24 == rp->id.b24) {
3662 						memcpy(rp->node_name,
3663 						    d->port_name, 8);
3664 						break;
3665 					}
3666 				}
3667 			}
3668 		} else {
3669 			/* Search if the fibre device supports FC4_TYPE_NVME */
3670 			if (cmd == GPN_FT_CMD) {
3671 				found = 0;
3672 
3673 				for (k = 0; k < num_fibre_dev; k++) {
3674 					rp = &vha->scan.l[k];
3675 					if (!memcmp(rp->port_name,
3676 					    d->port_name, 8)) {
3677 						/*
3678 						 * Supports FC-NVMe & FCP
3679 						 */
3680 						rp->fc4type |= FS_FC4TYPE_NVME;
3681 						found = 1;
3682 						break;
3683 					}
3684 				}
3685 
3686 				/* We found new FC-NVMe only port */
3687 				if (!found) {
3688 					for (k = 0; k < num_fibre_dev; k++) {
3689 						rp = &vha->scan.l[k];
3690 						if (wwn_to_u64(rp->port_name)) {
3691 							continue;
3692 						} else {
3693 							rp->id = id;
3694 							memcpy(rp->port_name,
3695 							    d->port_name, 8);
3696 							rp->fc4type =
3697 							    FS_FC4TYPE_NVME;
3698 							break;
3699 						}
3700 					}
3701 				}
3702 			} else {
3703 				for (k = 0; k < num_fibre_dev; k++) {
3704 					rp = &vha->scan.l[k];
3705 					if (id.b24 == rp->id.b24) {
3706 						memcpy(rp->node_name,
3707 						    d->port_name, 8);
3708 						break;
3709 					}
3710 				}
3711 			}
3712 		}
3713 	}
3714 }
3715 
3716 static void qla2x00_async_gpnft_gnnft_sp_done(srb_t *sp, int res)
3717 {
3718 	struct scsi_qla_host *vha = sp->vha;
3719 	struct ct_sns_req *ct_req =
3720 		(struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
3721 	u16 cmd = be16_to_cpu(ct_req->command);
3722 	u8 fc4_type = sp->gen2;
3723 	unsigned long flags;
3724 	int rc;
3725 
3726 	/* gen2 field is holding the fc4type */
3727 	ql_dbg(ql_dbg_disc, vha, 0xffff,
3728 	    "Async done-%s res %x FC4Type %x\n",
3729 	    sp->name, res, sp->gen2);
3730 
3731 	del_timer(&sp->u.iocb_cmd.timer);
3732 	sp->rc = res;
3733 	if (res) {
3734 		unsigned long flags;
3735 		const char *name = sp->name;
3736 
3737 		/*
3738 		 * We are in an Interrupt context, queue up this
3739 		 * sp for GNNFT_DONE work. This will allow all
3740 		 * the resource to get freed up.
3741 		 */
3742 		rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
3743 		    QLA_EVT_GNNFT_DONE);
3744 		if (rc) {
3745 			/* Cleanup here to prevent memory leak */
3746 			qla24xx_sp_unmap(vha, sp);
3747 
3748 			spin_lock_irqsave(&vha->work_lock, flags);
3749 			vha->scan.scan_flags &= ~SF_SCANNING;
3750 			vha->scan.scan_retry++;
3751 			spin_unlock_irqrestore(&vha->work_lock, flags);
3752 
3753 			if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
3754 				set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3755 				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3756 				qla2xxx_wake_dpc(vha);
3757 			} else {
3758 				ql_dbg(ql_dbg_disc, vha, 0xffff,
3759 				    "Async done-%s rescan failed on all retries.\n",
3760 				    name);
3761 			}
3762 		}
3763 		return;
3764 	}
3765 
3766 	qla2x00_find_free_fcp_nvme_slot(vha, sp);
3767 
3768 	if ((fc4_type == FC4_TYPE_FCP_SCSI) && vha->flags.nvme_enabled &&
3769 	    cmd == GNN_FT_CMD) {
3770 		spin_lock_irqsave(&vha->work_lock, flags);
3771 		vha->scan.scan_flags &= ~SF_SCANNING;
3772 		spin_unlock_irqrestore(&vha->work_lock, flags);
3773 
3774 		sp->rc = res;
3775 		rc = qla2x00_post_nvme_gpnft_work(vha, sp, QLA_EVT_GPNFT);
3776 		if (rc) {
3777 			qla24xx_sp_unmap(vha, sp);
3778 			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3779 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3780 		}
3781 		return;
3782 	}
3783 
3784 	if (cmd == GPN_FT_CMD) {
3785 		rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
3786 		    QLA_EVT_GPNFT_DONE);
3787 	} else {
3788 		rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
3789 		    QLA_EVT_GNNFT_DONE);
3790 	}
3791 
3792 	if (rc) {
3793 		qla24xx_sp_unmap(vha, sp);
3794 		set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3795 		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3796 		return;
3797 	}
3798 }
3799 
3800 /*
3801  * Get WWNN list for fc4_type
3802  *
3803  * It is assumed the same SRB is re-used from GPNFT to avoid
3804  * mem free & re-alloc
3805  */
3806 static int qla24xx_async_gnnft(scsi_qla_host_t *vha, struct srb *sp,
3807     u8 fc4_type)
3808 {
3809 	int rval = QLA_FUNCTION_FAILED;
3810 	struct ct_sns_req *ct_req;
3811 	struct ct_sns_pkt *ct_sns;
3812 	unsigned long flags;
3813 
3814 	if (!vha->flags.online) {
3815 		spin_lock_irqsave(&vha->work_lock, flags);
3816 		vha->scan.scan_flags &= ~SF_SCANNING;
3817 		spin_unlock_irqrestore(&vha->work_lock, flags);
3818 		goto done_free_sp;
3819 	}
3820 
3821 	if (!sp->u.iocb_cmd.u.ctarg.req || !sp->u.iocb_cmd.u.ctarg.rsp) {
3822 		ql_log(ql_log_warn, vha, 0xffff,
3823 		    "%s: req %p rsp %p are not setup\n",
3824 		    __func__, sp->u.iocb_cmd.u.ctarg.req,
3825 		    sp->u.iocb_cmd.u.ctarg.rsp);
3826 		spin_lock_irqsave(&vha->work_lock, flags);
3827 		vha->scan.scan_flags &= ~SF_SCANNING;
3828 		spin_unlock_irqrestore(&vha->work_lock, flags);
3829 		WARN_ON(1);
3830 		set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3831 		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3832 		goto done_free_sp;
3833 	}
3834 
3835 	ql_dbg(ql_dbg_disc, vha, 0xfffff,
3836 	    "%s: FC4Type %x, CT-PASSTHRU %s command ctarg rsp size %d, ctarg req size %d\n",
3837 	    __func__, fc4_type, sp->name, sp->u.iocb_cmd.u.ctarg.rsp_size,
3838 	     sp->u.iocb_cmd.u.ctarg.req_size);
3839 
3840 	sp->type = SRB_CT_PTHRU_CMD;
3841 	sp->name = "gnnft";
3842 	sp->gen1 = vha->hw->base_qpair->chip_reset;
3843 	sp->gen2 = fc4_type;
3844 
3845 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
3846 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
3847 
3848 	memset(sp->u.iocb_cmd.u.ctarg.rsp, 0, sp->u.iocb_cmd.u.ctarg.rsp_size);
3849 	memset(sp->u.iocb_cmd.u.ctarg.req, 0, sp->u.iocb_cmd.u.ctarg.req_size);
3850 
3851 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
3852 	/* CT_IU preamble  */
3853 	ct_req = qla2x00_prep_ct_req(ct_sns, GNN_FT_CMD,
3854 	    sp->u.iocb_cmd.u.ctarg.rsp_size);
3855 
3856 	/* GPN_FT req */
3857 	ct_req->req.gpn_ft.port_type = fc4_type;
3858 
3859 	sp->u.iocb_cmd.u.ctarg.req_size = GNN_FT_REQ_SIZE;
3860 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
3861 
3862 	sp->done = qla2x00_async_gpnft_gnnft_sp_done;
3863 
3864 	ql_dbg(ql_dbg_disc, vha, 0xffff,
3865 	    "Async-%s hdl=%x FC4Type %x.\n", sp->name,
3866 	    sp->handle, ct_req->req.gpn_ft.port_type);
3867 
3868 	rval = qla2x00_start_sp(sp);
3869 	if (rval != QLA_SUCCESS) {
3870 		goto done_free_sp;
3871 	}
3872 
3873 	return rval;
3874 
3875 done_free_sp:
3876 	if (sp->u.iocb_cmd.u.ctarg.req) {
3877 		dma_free_coherent(&vha->hw->pdev->dev,
3878 		    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
3879 		    sp->u.iocb_cmd.u.ctarg.req,
3880 		    sp->u.iocb_cmd.u.ctarg.req_dma);
3881 		sp->u.iocb_cmd.u.ctarg.req = NULL;
3882 	}
3883 	if (sp->u.iocb_cmd.u.ctarg.rsp) {
3884 		dma_free_coherent(&vha->hw->pdev->dev,
3885 		    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
3886 		    sp->u.iocb_cmd.u.ctarg.rsp,
3887 		    sp->u.iocb_cmd.u.ctarg.rsp_dma);
3888 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
3889 	}
3890 
3891 	sp->free(sp);
3892 
3893 	spin_lock_irqsave(&vha->work_lock, flags);
3894 	vha->scan.scan_flags &= ~SF_SCANNING;
3895 	if (vha->scan.scan_flags == 0) {
3896 		ql_dbg(ql_dbg_disc, vha, 0xffff,
3897 		    "%s: schedule\n", __func__);
3898 		vha->scan.scan_flags |= SF_QUEUED;
3899 		schedule_delayed_work(&vha->scan.scan_work, 5);
3900 	}
3901 	spin_unlock_irqrestore(&vha->work_lock, flags);
3902 
3903 
3904 	return rval;
3905 } /* GNNFT */
3906 
3907 void qla24xx_async_gpnft_done(scsi_qla_host_t *vha, srb_t *sp)
3908 {
3909 	ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3910 	    "%s enter\n", __func__);
3911 	qla24xx_async_gnnft(vha, sp, sp->gen2);
3912 }
3913 
3914 /* Get WWPN list for certain fc4_type */
3915 int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp)
3916 {
3917 	int rval = QLA_FUNCTION_FAILED;
3918 	struct ct_sns_req       *ct_req;
3919 	struct ct_sns_pkt *ct_sns;
3920 	u32 rspsz;
3921 	unsigned long flags;
3922 
3923 	ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3924 	    "%s enter\n", __func__);
3925 
3926 	if (!vha->flags.online)
3927 		return rval;
3928 
3929 	spin_lock_irqsave(&vha->work_lock, flags);
3930 	if (vha->scan.scan_flags & SF_SCANNING) {
3931 		spin_unlock_irqrestore(&vha->work_lock, flags);
3932 		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3933 		    "%s: scan active\n", __func__);
3934 		return rval;
3935 	}
3936 	vha->scan.scan_flags |= SF_SCANNING;
3937 	spin_unlock_irqrestore(&vha->work_lock, flags);
3938 
3939 	if (fc4_type == FC4_TYPE_FCP_SCSI) {
3940 		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3941 		    "%s: Performing FCP Scan\n", __func__);
3942 
3943 		if (sp)
3944 			sp->free(sp); /* should not happen */
3945 
3946 		sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
3947 		if (!sp) {
3948 			spin_lock_irqsave(&vha->work_lock, flags);
3949 			vha->scan.scan_flags &= ~SF_SCANNING;
3950 			spin_unlock_irqrestore(&vha->work_lock, flags);
3951 			return rval;
3952 		}
3953 
3954 		sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
3955 								sizeof(struct ct_sns_pkt),
3956 								&sp->u.iocb_cmd.u.ctarg.req_dma,
3957 								GFP_KERNEL);
3958 		sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
3959 		if (!sp->u.iocb_cmd.u.ctarg.req) {
3960 			ql_log(ql_log_warn, vha, 0xffff,
3961 			    "Failed to allocate ct_sns request.\n");
3962 			spin_lock_irqsave(&vha->work_lock, flags);
3963 			vha->scan.scan_flags &= ~SF_SCANNING;
3964 			spin_unlock_irqrestore(&vha->work_lock, flags);
3965 			qla2x00_rel_sp(sp);
3966 			return rval;
3967 		}
3968 		sp->u.iocb_cmd.u.ctarg.req_size = GPN_FT_REQ_SIZE;
3969 
3970 		rspsz = sizeof(struct ct_sns_gpnft_rsp) +
3971 			((vha->hw->max_fibre_devices - 1) *
3972 			    sizeof(struct ct_sns_gpn_ft_data));
3973 
3974 		sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
3975 								rspsz,
3976 								&sp->u.iocb_cmd.u.ctarg.rsp_dma,
3977 								GFP_KERNEL);
3978 		sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = rspsz;
3979 		if (!sp->u.iocb_cmd.u.ctarg.rsp) {
3980 			ql_log(ql_log_warn, vha, 0xffff,
3981 			    "Failed to allocate ct_sns request.\n");
3982 			spin_lock_irqsave(&vha->work_lock, flags);
3983 			vha->scan.scan_flags &= ~SF_SCANNING;
3984 			spin_unlock_irqrestore(&vha->work_lock, flags);
3985 			dma_free_coherent(&vha->hw->pdev->dev,
3986 			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
3987 			    sp->u.iocb_cmd.u.ctarg.req,
3988 			    sp->u.iocb_cmd.u.ctarg.req_dma);
3989 			sp->u.iocb_cmd.u.ctarg.req = NULL;
3990 			qla2x00_rel_sp(sp);
3991 			return rval;
3992 		}
3993 		sp->u.iocb_cmd.u.ctarg.rsp_size = rspsz;
3994 
3995 		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3996 		    "%s scan list size %d\n", __func__, vha->scan.size);
3997 
3998 		memset(vha->scan.l, 0, vha->scan.size);
3999 	} else if (!sp) {
4000 		ql_dbg(ql_dbg_disc, vha, 0xffff,
4001 		    "NVME scan did not provide SP\n");
4002 		return rval;
4003 	}
4004 
4005 	sp->type = SRB_CT_PTHRU_CMD;
4006 	sp->name = "gpnft";
4007 	sp->gen1 = vha->hw->base_qpair->chip_reset;
4008 	sp->gen2 = fc4_type;
4009 
4010 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
4011 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
4012 
4013 	rspsz = sp->u.iocb_cmd.u.ctarg.rsp_size;
4014 	memset(sp->u.iocb_cmd.u.ctarg.rsp, 0, sp->u.iocb_cmd.u.ctarg.rsp_size);
4015 	memset(sp->u.iocb_cmd.u.ctarg.req, 0, sp->u.iocb_cmd.u.ctarg.req_size);
4016 
4017 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
4018 	/* CT_IU preamble  */
4019 	ct_req = qla2x00_prep_ct_req(ct_sns, GPN_FT_CMD, rspsz);
4020 
4021 	/* GPN_FT req */
4022 	ct_req->req.gpn_ft.port_type = fc4_type;
4023 
4024 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
4025 
4026 	sp->done = qla2x00_async_gpnft_gnnft_sp_done;
4027 
4028 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4029 	    "Async-%s hdl=%x FC4Type %x.\n", sp->name,
4030 	    sp->handle, ct_req->req.gpn_ft.port_type);
4031 
4032 	rval = qla2x00_start_sp(sp);
4033 	if (rval != QLA_SUCCESS) {
4034 		goto done_free_sp;
4035 	}
4036 
4037 	return rval;
4038 
4039 done_free_sp:
4040 	if (sp->u.iocb_cmd.u.ctarg.req) {
4041 		dma_free_coherent(&vha->hw->pdev->dev,
4042 		    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
4043 		    sp->u.iocb_cmd.u.ctarg.req,
4044 		    sp->u.iocb_cmd.u.ctarg.req_dma);
4045 		sp->u.iocb_cmd.u.ctarg.req = NULL;
4046 	}
4047 	if (sp->u.iocb_cmd.u.ctarg.rsp) {
4048 		dma_free_coherent(&vha->hw->pdev->dev,
4049 		    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
4050 		    sp->u.iocb_cmd.u.ctarg.rsp,
4051 		    sp->u.iocb_cmd.u.ctarg.rsp_dma);
4052 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
4053 	}
4054 
4055 	sp->free(sp);
4056 
4057 	spin_lock_irqsave(&vha->work_lock, flags);
4058 	vha->scan.scan_flags &= ~SF_SCANNING;
4059 	if (vha->scan.scan_flags == 0) {
4060 		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
4061 		    "%s: Scan scheduled.\n", __func__);
4062 		vha->scan.scan_flags |= SF_QUEUED;
4063 		schedule_delayed_work(&vha->scan.scan_work, 5);
4064 	}
4065 	spin_unlock_irqrestore(&vha->work_lock, flags);
4066 
4067 
4068 	return rval;
4069 }
4070 
4071 void qla_scan_work_fn(struct work_struct *work)
4072 {
4073 	struct fab_scan *s = container_of(to_delayed_work(work),
4074 	    struct fab_scan, scan_work);
4075 	struct scsi_qla_host *vha = container_of(s, struct scsi_qla_host,
4076 	    scan);
4077 	unsigned long flags;
4078 
4079 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4080 	    "%s: schedule loop resync\n", __func__);
4081 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4082 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4083 	qla2xxx_wake_dpc(vha);
4084 	spin_lock_irqsave(&vha->work_lock, flags);
4085 	vha->scan.scan_flags &= ~SF_QUEUED;
4086 	spin_unlock_irqrestore(&vha->work_lock, flags);
4087 }
4088 
4089 /* GNN_ID */
4090 void qla24xx_handle_gnnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
4091 {
4092 	qla24xx_post_gnl_work(vha, ea->fcport);
4093 }
4094 
4095 static void qla2x00_async_gnnid_sp_done(srb_t *sp, int res)
4096 {
4097 	struct scsi_qla_host *vha = sp->vha;
4098 	fc_port_t *fcport = sp->fcport;
4099 	u8 *node_name = fcport->ct_desc.ct_sns->p.rsp.rsp.gnn_id.node_name;
4100 	struct event_arg ea;
4101 	u64 wwnn;
4102 
4103 	fcport->flags &= ~FCF_ASYNC_SENT;
4104 	wwnn = wwn_to_u64(node_name);
4105 	if (wwnn)
4106 		memcpy(fcport->node_name, node_name, WWN_SIZE);
4107 
4108 	memset(&ea, 0, sizeof(ea));
4109 	ea.fcport = fcport;
4110 	ea.sp = sp;
4111 	ea.rc = res;
4112 
4113 	ql_dbg(ql_dbg_disc, vha, 0x204f,
4114 	    "Async done-%s res %x, WWPN %8phC %8phC\n",
4115 	    sp->name, res, fcport->port_name, fcport->node_name);
4116 
4117 	qla24xx_handle_gnnid_event(vha, &ea);
4118 
4119 	sp->free(sp);
4120 }
4121 
4122 int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport)
4123 {
4124 	int rval = QLA_FUNCTION_FAILED;
4125 	struct ct_sns_req       *ct_req;
4126 	srb_t *sp;
4127 
4128 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
4129 		return rval;
4130 
4131 	qla2x00_set_fcport_disc_state(fcport, DSC_GNN_ID);
4132 	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
4133 	if (!sp)
4134 		goto done;
4135 
4136 	fcport->flags |= FCF_ASYNC_SENT;
4137 	sp->type = SRB_CT_PTHRU_CMD;
4138 	sp->name = "gnnid";
4139 	sp->gen1 = fcport->rscn_gen;
4140 	sp->gen2 = fcport->login_gen;
4141 
4142 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
4143 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
4144 
4145 	/* CT_IU preamble  */
4146 	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GNN_ID_CMD,
4147 	    GNN_ID_RSP_SIZE);
4148 
4149 	/* GNN_ID req */
4150 	ct_req->req.port_id.port_id = port_id_to_be_id(fcport->d_id);
4151 
4152 
4153 	/* req & rsp use the same buffer */
4154 	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
4155 	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
4156 	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
4157 	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
4158 	sp->u.iocb_cmd.u.ctarg.req_size = GNN_ID_REQ_SIZE;
4159 	sp->u.iocb_cmd.u.ctarg.rsp_size = GNN_ID_RSP_SIZE;
4160 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
4161 
4162 	sp->done = qla2x00_async_gnnid_sp_done;
4163 
4164 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4165 	    "Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n",
4166 	    sp->name, fcport->port_name,
4167 	    sp->handle, fcport->loop_id, fcport->d_id.b24);
4168 
4169 	rval = qla2x00_start_sp(sp);
4170 	if (rval != QLA_SUCCESS)
4171 		goto done_free_sp;
4172 	return rval;
4173 
4174 done_free_sp:
4175 	sp->free(sp);
4176 	fcport->flags &= ~FCF_ASYNC_SENT;
4177 done:
4178 	return rval;
4179 }
4180 
4181 int qla24xx_post_gnnid_work(struct scsi_qla_host *vha, fc_port_t *fcport)
4182 {
4183 	struct qla_work_evt *e;
4184 	int ls;
4185 
4186 	ls = atomic_read(&vha->loop_state);
4187 	if (((ls != LOOP_READY) && (ls != LOOP_UP)) ||
4188 		test_bit(UNLOADING, &vha->dpc_flags))
4189 		return 0;
4190 
4191 	e = qla2x00_alloc_work(vha, QLA_EVT_GNNID);
4192 	if (!e)
4193 		return QLA_FUNCTION_FAILED;
4194 
4195 	e->u.fcport.fcport = fcport;
4196 	return qla2x00_post_work(vha, e);
4197 }
4198 
4199 /* GPFN_ID */
4200 void qla24xx_handle_gfpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
4201 {
4202 	fc_port_t *fcport = ea->fcport;
4203 
4204 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4205 	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d fcpcnt %d\n",
4206 	    __func__, fcport->port_name, fcport->disc_state,
4207 	    fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
4208 	    fcport->rscn_gen, ea->sp->gen1, vha->fcport_count);
4209 
4210 	if (fcport->disc_state == DSC_DELETE_PEND)
4211 		return;
4212 
4213 	if (ea->sp->gen2 != fcport->login_gen) {
4214 		/* target side must have changed it. */
4215 		ql_dbg(ql_dbg_disc, vha, 0x20d3,
4216 		    "%s %8phC generation changed\n",
4217 		    __func__, fcport->port_name);
4218 		return;
4219 	} else if (ea->sp->gen1 != fcport->rscn_gen) {
4220 		return;
4221 	}
4222 
4223 	qla24xx_post_gpsc_work(vha, fcport);
4224 }
4225 
4226 static void qla2x00_async_gfpnid_sp_done(srb_t *sp, int res)
4227 {
4228 	struct scsi_qla_host *vha = sp->vha;
4229 	fc_port_t *fcport = sp->fcport;
4230 	u8 *fpn = fcport->ct_desc.ct_sns->p.rsp.rsp.gfpn_id.port_name;
4231 	struct event_arg ea;
4232 	u64 wwn;
4233 
4234 	wwn = wwn_to_u64(fpn);
4235 	if (wwn)
4236 		memcpy(fcport->fabric_port_name, fpn, WWN_SIZE);
4237 
4238 	memset(&ea, 0, sizeof(ea));
4239 	ea.fcport = fcport;
4240 	ea.sp = sp;
4241 	ea.rc = res;
4242 
4243 	ql_dbg(ql_dbg_disc, vha, 0x204f,
4244 	    "Async done-%s res %x, WWPN %8phC %8phC\n",
4245 	    sp->name, res, fcport->port_name, fcport->fabric_port_name);
4246 
4247 	qla24xx_handle_gfpnid_event(vha, &ea);
4248 
4249 	sp->free(sp);
4250 }
4251 
4252 int qla24xx_async_gfpnid(scsi_qla_host_t *vha, fc_port_t *fcport)
4253 {
4254 	int rval = QLA_FUNCTION_FAILED;
4255 	struct ct_sns_req       *ct_req;
4256 	srb_t *sp;
4257 
4258 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
4259 		return rval;
4260 
4261 	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
4262 	if (!sp)
4263 		goto done;
4264 
4265 	sp->type = SRB_CT_PTHRU_CMD;
4266 	sp->name = "gfpnid";
4267 	sp->gen1 = fcport->rscn_gen;
4268 	sp->gen2 = fcport->login_gen;
4269 
4270 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
4271 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
4272 
4273 	/* CT_IU preamble  */
4274 	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GFPN_ID_CMD,
4275 	    GFPN_ID_RSP_SIZE);
4276 
4277 	/* GFPN_ID req */
4278 	ct_req->req.port_id.port_id = port_id_to_be_id(fcport->d_id);
4279 
4280 
4281 	/* req & rsp use the same buffer */
4282 	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
4283 	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
4284 	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
4285 	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
4286 	sp->u.iocb_cmd.u.ctarg.req_size = GFPN_ID_REQ_SIZE;
4287 	sp->u.iocb_cmd.u.ctarg.rsp_size = GFPN_ID_RSP_SIZE;
4288 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
4289 
4290 	sp->done = qla2x00_async_gfpnid_sp_done;
4291 
4292 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4293 	    "Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n",
4294 	    sp->name, fcport->port_name,
4295 	    sp->handle, fcport->loop_id, fcport->d_id.b24);
4296 
4297 	rval = qla2x00_start_sp(sp);
4298 	if (rval != QLA_SUCCESS)
4299 		goto done_free_sp;
4300 
4301 	return rval;
4302 
4303 done_free_sp:
4304 	sp->free(sp);
4305 done:
4306 	return rval;
4307 }
4308 
4309 int qla24xx_post_gfpnid_work(struct scsi_qla_host *vha, fc_port_t *fcport)
4310 {
4311 	struct qla_work_evt *e;
4312 	int ls;
4313 
4314 	ls = atomic_read(&vha->loop_state);
4315 	if (((ls != LOOP_READY) && (ls != LOOP_UP)) ||
4316 		test_bit(UNLOADING, &vha->dpc_flags))
4317 		return 0;
4318 
4319 	e = qla2x00_alloc_work(vha, QLA_EVT_GFPNID);
4320 	if (!e)
4321 		return QLA_FUNCTION_FAILED;
4322 
4323 	e->u.fcport.fcport = fcport;
4324 	return qla2x00_post_work(vha, e);
4325 }
4326