xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_gs.c (revision dbf563ee)
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 			fallthrough;
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 	uint speeds = 0;
1509 
1510 	if (IS_CNA_CAPABLE(ha))
1511 		return FDMI_PORT_SPEED_10GB;
1512 	if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
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 		if ((ha->pdev->subsystem_vendor == 0x103C) &&
1541 		    (ha->pdev->subsystem_device == 0x8002)) {
1542 			speeds = FDMI_PORT_SPEED_16GB;
1543 		} else {
1544 			speeds = FDMI_PORT_SPEED_16GB|FDMI_PORT_SPEED_8GB|
1545 				FDMI_PORT_SPEED_4GB;
1546 		}
1547 		return speeds;
1548 	}
1549 	if (IS_QLA25XX(ha))
1550 		return FDMI_PORT_SPEED_8GB|FDMI_PORT_SPEED_4GB|
1551 			FDMI_PORT_SPEED_2GB|FDMI_PORT_SPEED_1GB;
1552 	if (IS_QLA24XX_TYPE(ha))
1553 		return FDMI_PORT_SPEED_4GB|FDMI_PORT_SPEED_2GB|
1554 			FDMI_PORT_SPEED_1GB;
1555 	if (IS_QLA23XX(ha))
1556 		return FDMI_PORT_SPEED_2GB|FDMI_PORT_SPEED_1GB;
1557 	return FDMI_PORT_SPEED_1GB;
1558 }
1559 static uint
1560 qla25xx_fdmi_port_speed_currently(struct qla_hw_data *ha)
1561 {
1562 	switch (ha->link_data_rate) {
1563 	case PORT_SPEED_1GB:
1564 		return FDMI_PORT_SPEED_1GB;
1565 	case PORT_SPEED_2GB:
1566 		return FDMI_PORT_SPEED_2GB;
1567 	case PORT_SPEED_4GB:
1568 		return FDMI_PORT_SPEED_4GB;
1569 	case PORT_SPEED_8GB:
1570 		return FDMI_PORT_SPEED_8GB;
1571 	case PORT_SPEED_10GB:
1572 		return FDMI_PORT_SPEED_10GB;
1573 	case PORT_SPEED_16GB:
1574 		return FDMI_PORT_SPEED_16GB;
1575 	case PORT_SPEED_32GB:
1576 		return FDMI_PORT_SPEED_32GB;
1577 	case PORT_SPEED_64GB:
1578 		return FDMI_PORT_SPEED_64GB;
1579 	default:
1580 		return FDMI_PORT_SPEED_UNKNOWN;
1581 	}
1582 }
1583 
1584 /**
1585  * qla2x00_hba_attributes() perform HBA attributes registration
1586  * @vha: HA context
1587  * @entries: number of entries to use
1588  * @callopt: Option to issue extended or standard FDMI
1589  *           command parameter
1590  *
1591  * Returns 0 on success.
1592  */
1593 static unsigned long
1594 qla2x00_hba_attributes(scsi_qla_host_t *vha, void *entries,
1595 	unsigned int callopt)
1596 {
1597 	struct qla_hw_data *ha = vha->hw;
1598 	struct init_cb_24xx *icb24 = (void *)ha->init_cb;
1599 	struct new_utsname *p_sysid = utsname();
1600 	struct ct_fdmi_hba_attr *eiter;
1601 	uint16_t alen;
1602 	unsigned long size = 0;
1603 
1604 	/* Nodename. */
1605 	eiter = entries + size;
1606 	eiter->type = cpu_to_be16(FDMI_HBA_NODE_NAME);
1607 	memcpy(eiter->a.node_name, vha->node_name, sizeof(eiter->a.node_name));
1608 	alen = sizeof(eiter->a.node_name);
1609 	alen += FDMI_ATTR_TYPELEN(eiter);
1610 	eiter->len = cpu_to_be16(alen);
1611 	size += alen;
1612 	ql_dbg(ql_dbg_disc, vha, 0x20a0,
1613 	    "NODENAME = %016llx.\n", wwn_to_u64(eiter->a.node_name));
1614 	/* Manufacturer. */
1615 	eiter = entries + size;
1616 	eiter->type = cpu_to_be16(FDMI_HBA_MANUFACTURER);
1617 	alen = scnprintf(
1618 		eiter->a.manufacturer, sizeof(eiter->a.manufacturer),
1619 		"%s", "QLogic Corporation");
1620 	alen += FDMI_ATTR_ALIGNMENT(alen);
1621 	alen += FDMI_ATTR_TYPELEN(eiter);
1622 	eiter->len = cpu_to_be16(alen);
1623 	size += alen;
1624 	ql_dbg(ql_dbg_disc, vha, 0x20a1,
1625 	    "MANUFACTURER = %s.\n", eiter->a.manufacturer);
1626 	/* Serial number. */
1627 	eiter = entries + size;
1628 	eiter->type = cpu_to_be16(FDMI_HBA_SERIAL_NUMBER);
1629 	alen = 0;
1630 	if (IS_FWI2_CAPABLE(ha)) {
1631 		alen = qla2xxx_get_vpd_field(vha, "SN",
1632 		    eiter->a.serial_num, sizeof(eiter->a.serial_num));
1633 	}
1634 	if (!alen) {
1635 		uint32_t sn = ((ha->serial0 & 0x1f) << 16) |
1636 			(ha->serial2 << 8) | ha->serial1;
1637 		alen = scnprintf(
1638 			eiter->a.serial_num, sizeof(eiter->a.serial_num),
1639 			"%c%05d", 'A' + sn / 100000, sn % 100000);
1640 	}
1641 	alen += FDMI_ATTR_ALIGNMENT(alen);
1642 	alen += FDMI_ATTR_TYPELEN(eiter);
1643 	eiter->len = cpu_to_be16(alen);
1644 	size += alen;
1645 	ql_dbg(ql_dbg_disc, vha, 0x20a2,
1646 	    "SERIAL NUMBER = %s.\n", eiter->a.serial_num);
1647 	/* Model name. */
1648 	eiter = entries + size;
1649 	eiter->type = cpu_to_be16(FDMI_HBA_MODEL);
1650 	alen = scnprintf(
1651 		eiter->a.model, sizeof(eiter->a.model),
1652 		"%s", ha->model_number);
1653 	alen += FDMI_ATTR_ALIGNMENT(alen);
1654 	alen += FDMI_ATTR_TYPELEN(eiter);
1655 	eiter->len = cpu_to_be16(alen);
1656 	size += alen;
1657 	ql_dbg(ql_dbg_disc, vha, 0x20a3,
1658 	    "MODEL NAME = %s.\n", eiter->a.model);
1659 	/* Model description. */
1660 	eiter = entries + size;
1661 	eiter->type = cpu_to_be16(FDMI_HBA_MODEL_DESCRIPTION);
1662 	alen = scnprintf(
1663 		eiter->a.model_desc, sizeof(eiter->a.model_desc),
1664 		"%s", ha->model_desc);
1665 	alen += FDMI_ATTR_ALIGNMENT(alen);
1666 	alen += FDMI_ATTR_TYPELEN(eiter);
1667 	eiter->len = cpu_to_be16(alen);
1668 	size += alen;
1669 	ql_dbg(ql_dbg_disc, vha, 0x20a4,
1670 	    "MODEL DESCRIPTION = %s.\n", eiter->a.model_desc);
1671 	/* Hardware version. */
1672 	eiter = entries + size;
1673 	eiter->type = cpu_to_be16(FDMI_HBA_HARDWARE_VERSION);
1674 	alen = 0;
1675 	if (IS_FWI2_CAPABLE(ha)) {
1676 		if (!alen) {
1677 			alen = qla2xxx_get_vpd_field(vha, "MN",
1678 			    eiter->a.hw_version, sizeof(eiter->a.hw_version));
1679 		}
1680 		if (!alen) {
1681 			alen = qla2xxx_get_vpd_field(vha, "EC",
1682 			    eiter->a.hw_version, sizeof(eiter->a.hw_version));
1683 		}
1684 	}
1685 	if (!alen) {
1686 		alen = scnprintf(
1687 			eiter->a.hw_version, sizeof(eiter->a.hw_version),
1688 			"HW:%s", ha->adapter_id);
1689 	}
1690 	alen += FDMI_ATTR_ALIGNMENT(alen);
1691 	alen += FDMI_ATTR_TYPELEN(eiter);
1692 	eiter->len = cpu_to_be16(alen);
1693 	size += alen;
1694 	ql_dbg(ql_dbg_disc, vha, 0x20a5,
1695 	    "HARDWARE VERSION = %s.\n", eiter->a.hw_version);
1696 	/* Driver version. */
1697 	eiter = entries + size;
1698 	eiter->type = cpu_to_be16(FDMI_HBA_DRIVER_VERSION);
1699 	alen = scnprintf(
1700 		eiter->a.driver_version, sizeof(eiter->a.driver_version),
1701 		"%s", qla2x00_version_str);
1702 	alen += FDMI_ATTR_ALIGNMENT(alen);
1703 	alen += FDMI_ATTR_TYPELEN(eiter);
1704 	eiter->len = cpu_to_be16(alen);
1705 	size += alen;
1706 	ql_dbg(ql_dbg_disc, vha, 0x20a6,
1707 	    "DRIVER VERSION = %s.\n", eiter->a.driver_version);
1708 	/* Option ROM version. */
1709 	eiter = entries + size;
1710 	eiter->type = cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
1711 	alen = scnprintf(
1712 		eiter->a.orom_version, sizeof(eiter->a.orom_version),
1713 		"%d.%02d", ha->bios_revision[1], ha->bios_revision[0]);
1714 	alen += FDMI_ATTR_ALIGNMENT(alen);
1715 	alen += FDMI_ATTR_TYPELEN(eiter);
1716 	eiter->len = cpu_to_be16(alen);
1717 	size += alen;
1718 
1719 	ql_dbg(ql_dbg_disc, vha, 0x20a7,
1720 	    "OPTROM VERSION = %d.%02d.\n",
1721 	    eiter->a.orom_version[1], eiter->a.orom_version[0]);
1722 	/* Firmware version */
1723 	eiter = entries + size;
1724 	eiter->type = cpu_to_be16(FDMI_HBA_FIRMWARE_VERSION);
1725 	ha->isp_ops->fw_version_str(vha, eiter->a.fw_version,
1726 	    sizeof(eiter->a.fw_version));
1727 	alen += FDMI_ATTR_ALIGNMENT(alen);
1728 	alen += FDMI_ATTR_TYPELEN(eiter);
1729 	eiter->len = cpu_to_be16(alen);
1730 	size += alen;
1731 	ql_dbg(ql_dbg_disc, vha, 0x20a8,
1732 	    "FIRMWARE VERSION = %s.\n", eiter->a.fw_version);
1733 	if (callopt == CALLOPT_FDMI1)
1734 		goto done;
1735 	/* OS Name and Version */
1736 	eiter = entries + size;
1737 	eiter->type = cpu_to_be16(FDMI_HBA_OS_NAME_AND_VERSION);
1738 	alen = 0;
1739 	if (p_sysid) {
1740 		alen = scnprintf(
1741 			eiter->a.os_version, sizeof(eiter->a.os_version),
1742 			"%s %s %s",
1743 			p_sysid->sysname, p_sysid->release, p_sysid->machine);
1744 	}
1745 	if (!alen) {
1746 		alen = scnprintf(
1747 			eiter->a.os_version, sizeof(eiter->a.os_version),
1748 			"%s %s",
1749 			"Linux", fc_host_system_hostname(vha->host));
1750 	}
1751 	alen += FDMI_ATTR_ALIGNMENT(alen);
1752 	alen += FDMI_ATTR_TYPELEN(eiter);
1753 	eiter->len = cpu_to_be16(alen);
1754 	size += alen;
1755 	ql_dbg(ql_dbg_disc, vha, 0x20a9,
1756 	    "OS VERSION = %s.\n", eiter->a.os_version);
1757 	/* MAX CT Payload Length */
1758 	eiter = entries + size;
1759 	eiter->type = cpu_to_be16(FDMI_HBA_MAXIMUM_CT_PAYLOAD_LENGTH);
1760 	eiter->a.max_ct_len = cpu_to_be32(le16_to_cpu(IS_FWI2_CAPABLE(ha) ?
1761 		icb24->frame_payload_size : ha->init_cb->frame_payload_size));
1762 	alen = sizeof(eiter->a.max_ct_len);
1763 	alen += FDMI_ATTR_TYPELEN(eiter);
1764 	eiter->len = cpu_to_be16(alen);
1765 	size += alen;
1766 	ql_dbg(ql_dbg_disc, vha, 0x20aa,
1767 	    "CT PAYLOAD LENGTH = 0x%x.\n", be32_to_cpu(eiter->a.max_ct_len));
1768 	/* Node Sybolic Name */
1769 	eiter = entries + size;
1770 	eiter->type = cpu_to_be16(FDMI_HBA_NODE_SYMBOLIC_NAME);
1771 	alen = qla2x00_get_sym_node_name(vha, eiter->a.sym_name,
1772 	    sizeof(eiter->a.sym_name));
1773 	alen += FDMI_ATTR_ALIGNMENT(alen);
1774 	alen += FDMI_ATTR_TYPELEN(eiter);
1775 	eiter->len = cpu_to_be16(alen);
1776 	size += alen;
1777 	ql_dbg(ql_dbg_disc, vha, 0x20ab,
1778 	    "SYMBOLIC NAME = %s.\n", eiter->a.sym_name);
1779 	/* Vendor Specific information */
1780 	eiter = entries + size;
1781 	eiter->type = cpu_to_be16(FDMI_HBA_VENDOR_SPECIFIC_INFO);
1782 	eiter->a.vendor_specific_info = cpu_to_be32(PCI_VENDOR_ID_QLOGIC);
1783 	alen = sizeof(eiter->a.vendor_specific_info);
1784 	alen += FDMI_ATTR_TYPELEN(eiter);
1785 	eiter->len = cpu_to_be16(alen);
1786 	size += alen;
1787 	ql_dbg(ql_dbg_disc, vha, 0x20ac,
1788 	    "VENDOR SPECIFIC INFO = 0x%x.\n",
1789 	    be32_to_cpu(eiter->a.vendor_specific_info));
1790 	/* Num Ports */
1791 	eiter = entries + size;
1792 	eiter->type = cpu_to_be16(FDMI_HBA_NUM_PORTS);
1793 	eiter->a.num_ports = cpu_to_be32(1);
1794 	alen = sizeof(eiter->a.num_ports);
1795 	alen += FDMI_ATTR_TYPELEN(eiter);
1796 	eiter->len = cpu_to_be16(alen);
1797 	size += alen;
1798 	ql_dbg(ql_dbg_disc, vha, 0x20ad,
1799 	    "PORT COUNT = %x.\n", be32_to_cpu(eiter->a.num_ports));
1800 	/* Fabric Name */
1801 	eiter = entries + size;
1802 	eiter->type = cpu_to_be16(FDMI_HBA_FABRIC_NAME);
1803 	memcpy(eiter->a.fabric_name, vha->fabric_node_name,
1804 	    sizeof(eiter->a.fabric_name));
1805 	alen = sizeof(eiter->a.fabric_name);
1806 	alen += FDMI_ATTR_TYPELEN(eiter);
1807 	eiter->len = cpu_to_be16(alen);
1808 	size += alen;
1809 	ql_dbg(ql_dbg_disc, vha, 0x20ae,
1810 	    "FABRIC NAME = %016llx.\n", wwn_to_u64(eiter->a.fabric_name));
1811 	/* BIOS Version */
1812 	eiter = entries + size;
1813 	eiter->type = cpu_to_be16(FDMI_HBA_BOOT_BIOS_NAME);
1814 	alen = scnprintf(
1815 		eiter->a.bios_name, sizeof(eiter->a.bios_name),
1816 		"BIOS %d.%02d", ha->bios_revision[1], ha->bios_revision[0]);
1817 	alen += FDMI_ATTR_ALIGNMENT(alen);
1818 	alen += FDMI_ATTR_TYPELEN(eiter);
1819 	eiter->len = cpu_to_be16(alen);
1820 	size += alen;
1821 	ql_dbg(ql_dbg_disc, vha, 0x20af,
1822 	    "BIOS NAME = %s\n", eiter->a.bios_name);
1823 	/* Vendor Identifier */
1824 	eiter = entries + size;
1825 	eiter->type = cpu_to_be16(FDMI_HBA_VENDOR_IDENTIFIER);
1826 	alen = scnprintf(
1827 		eiter->a.vendor_identifier, sizeof(eiter->a.vendor_identifier),
1828 		"%s", "QLGC");
1829 	alen += FDMI_ATTR_ALIGNMENT(alen);
1830 	alen += FDMI_ATTR_TYPELEN(eiter);
1831 	eiter->len = cpu_to_be16(alen);
1832 	size += alen;
1833 	ql_dbg(ql_dbg_disc, vha, 0x20b0,
1834 	    "VENDOR IDENTIFIER = %s.\n", eiter->a.vendor_identifier);
1835 done:
1836 	return size;
1837 }
1838 
1839 /**
1840  * qla2x00_port_attributes() perform Port attributes registration
1841  * @vha: HA context
1842  * @entries: number of entries to use
1843  * @callopt: Option to issue extended or standard FDMI
1844  *           command parameter
1845  *
1846  * Returns 0 on success.
1847  */
1848 static unsigned long
1849 qla2x00_port_attributes(scsi_qla_host_t *vha, void *entries,
1850 	unsigned int callopt)
1851 {
1852 	struct qla_hw_data *ha = vha->hw;
1853 	struct init_cb_24xx *icb24 = (void *)ha->init_cb;
1854 	struct new_utsname *p_sysid = utsname();
1855 	char *hostname = p_sysid ?
1856 		p_sysid->nodename : fc_host_system_hostname(vha->host);
1857 	struct ct_fdmi_port_attr *eiter;
1858 	uint16_t alen;
1859 	unsigned long size = 0;
1860 
1861 	/* FC4 types. */
1862 	eiter = entries + size;
1863 	eiter->type = cpu_to_be16(FDMI_PORT_FC4_TYPES);
1864 	eiter->a.fc4_types[0] = 0x00;
1865 	eiter->a.fc4_types[1] = 0x00;
1866 	eiter->a.fc4_types[2] = 0x01;
1867 	eiter->a.fc4_types[3] = 0x00;
1868 	alen = sizeof(eiter->a.fc4_types);
1869 	alen += FDMI_ATTR_TYPELEN(eiter);
1870 	eiter->len = cpu_to_be16(alen);
1871 	size += alen;
1872 	ql_dbg(ql_dbg_disc, vha, 0x20c0,
1873 	    "FC4 TYPES = %016llx.\n", *(uint64_t *)eiter->a.fc4_types);
1874 	if (vha->flags.nvme_enabled) {
1875 		eiter->a.fc4_types[6] = 1;      /* NVMe type 28h */
1876 		ql_dbg(ql_dbg_disc, vha, 0x211f,
1877 		    "NVME FC4 Type = %02x 0x0 0x0 0x0 0x0 0x0.\n",
1878 		    eiter->a.fc4_types[6]);
1879 	}
1880 	/* Supported speed. */
1881 	eiter = entries + size;
1882 	eiter->type = cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
1883 	eiter->a.sup_speed = cpu_to_be32(
1884 		qla25xx_fdmi_port_speed_capability(ha));
1885 	alen = sizeof(eiter->a.sup_speed);
1886 	alen += FDMI_ATTR_TYPELEN(eiter);
1887 	eiter->len = cpu_to_be16(alen);
1888 	size += alen;
1889 	ql_dbg(ql_dbg_disc, vha, 0x20c1,
1890 	    "SUPPORTED SPEED = %x.\n", be32_to_cpu(eiter->a.sup_speed));
1891 	/* Current speed. */
1892 	eiter = entries + size;
1893 	eiter->type = cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
1894 	eiter->a.cur_speed = cpu_to_be32(
1895 		qla25xx_fdmi_port_speed_currently(ha));
1896 	alen = sizeof(eiter->a.cur_speed);
1897 	alen += FDMI_ATTR_TYPELEN(eiter);
1898 	eiter->len = cpu_to_be16(alen);
1899 	size += alen;
1900 	ql_dbg(ql_dbg_disc, vha, 0x20c2,
1901 	    "CURRENT SPEED = %x.\n", be32_to_cpu(eiter->a.cur_speed));
1902 	/* Max frame size. */
1903 	eiter = entries + size;
1904 	eiter->type = cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
1905 	eiter->a.max_frame_size = cpu_to_be32(le16_to_cpu(IS_FWI2_CAPABLE(ha) ?
1906 		icb24->frame_payload_size : ha->init_cb->frame_payload_size));
1907 	alen = sizeof(eiter->a.max_frame_size);
1908 	alen += FDMI_ATTR_TYPELEN(eiter);
1909 	eiter->len = cpu_to_be16(alen);
1910 	size += alen;
1911 	ql_dbg(ql_dbg_disc, vha, 0x20c3,
1912 	    "MAX FRAME SIZE = %x.\n", be32_to_cpu(eiter->a.max_frame_size));
1913 	/* OS device name. */
1914 	eiter = entries + size;
1915 	eiter->type = cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
1916 	alen = scnprintf(
1917 		eiter->a.os_dev_name, sizeof(eiter->a.os_dev_name),
1918 		"%s:host%lu", QLA2XXX_DRIVER_NAME, vha->host_no);
1919 	alen += FDMI_ATTR_ALIGNMENT(alen);
1920 	alen += FDMI_ATTR_TYPELEN(eiter);
1921 	eiter->len = cpu_to_be16(alen);
1922 	size += alen;
1923 	ql_dbg(ql_dbg_disc, vha, 0x20c4,
1924 	    "OS DEVICE NAME = %s.\n", eiter->a.os_dev_name);
1925 	/* Hostname. */
1926 	eiter = entries + size;
1927 	eiter->type = cpu_to_be16(FDMI_PORT_HOST_NAME);
1928 	if (!*hostname || !strncmp(hostname, "(none)", 6))
1929 		hostname = "Linux-default";
1930 	alen = scnprintf(
1931 		eiter->a.host_name, sizeof(eiter->a.host_name),
1932 		"%s", hostname);
1933 	alen += FDMI_ATTR_ALIGNMENT(alen);
1934 	alen += FDMI_ATTR_TYPELEN(eiter);
1935 	eiter->len = cpu_to_be16(alen);
1936 	size += alen;
1937 	ql_dbg(ql_dbg_disc, vha, 0x20c5,
1938 	    "HOSTNAME = %s.\n", eiter->a.host_name);
1939 
1940 	if (callopt == CALLOPT_FDMI1)
1941 		goto done;
1942 
1943 	/* Node Name */
1944 	eiter = entries + size;
1945 	eiter->type = cpu_to_be16(FDMI_PORT_NODE_NAME);
1946 	memcpy(eiter->a.node_name, vha->node_name, sizeof(eiter->a.node_name));
1947 	alen = sizeof(eiter->a.node_name);
1948 	alen += FDMI_ATTR_TYPELEN(eiter);
1949 	eiter->len = cpu_to_be16(alen);
1950 	size += alen;
1951 	ql_dbg(ql_dbg_disc, vha, 0x20c6,
1952 	    "NODENAME = %016llx.\n", wwn_to_u64(eiter->a.node_name));
1953 
1954 	/* Port Name */
1955 	eiter = entries + size;
1956 	eiter->type = cpu_to_be16(FDMI_PORT_NAME);
1957 	memcpy(eiter->a.port_name, vha->port_name, sizeof(eiter->a.port_name));
1958 	alen = sizeof(eiter->a.port_name);
1959 	alen += FDMI_ATTR_TYPELEN(eiter);
1960 	eiter->len = cpu_to_be16(alen);
1961 	size += alen;
1962 	ql_dbg(ql_dbg_disc, vha, 0x20c7,
1963 	    "PORTNAME = %016llx.\n", wwn_to_u64(eiter->a.port_name));
1964 
1965 	/* Port Symbolic Name */
1966 	eiter = entries + size;
1967 	eiter->type = cpu_to_be16(FDMI_PORT_SYM_NAME);
1968 	alen = qla2x00_get_sym_node_name(vha, eiter->a.port_sym_name,
1969 	    sizeof(eiter->a.port_sym_name));
1970 	alen += FDMI_ATTR_ALIGNMENT(alen);
1971 	alen += FDMI_ATTR_TYPELEN(eiter);
1972 	eiter->len = cpu_to_be16(alen);
1973 	size += alen;
1974 	ql_dbg(ql_dbg_disc, vha, 0x20c8,
1975 	    "PORT SYMBOLIC NAME = %s\n", eiter->a.port_sym_name);
1976 
1977 	/* Port Type */
1978 	eiter = entries + size;
1979 	eiter->type = cpu_to_be16(FDMI_PORT_TYPE);
1980 	eiter->a.port_type = cpu_to_be32(NS_NX_PORT_TYPE);
1981 	alen = sizeof(eiter->a.port_type);
1982 	alen += FDMI_ATTR_TYPELEN(eiter);
1983 	eiter->len = cpu_to_be16(alen);
1984 	size += alen;
1985 	ql_dbg(ql_dbg_disc, vha, 0x20c9,
1986 	    "PORT TYPE = %x.\n", be32_to_cpu(eiter->a.port_type));
1987 
1988 	/* Supported Class of Service */
1989 	eiter = entries + size;
1990 	eiter->type = cpu_to_be16(FDMI_PORT_SUPP_COS);
1991 	eiter->a.port_supported_cos = cpu_to_be32(FC_CLASS_3);
1992 	alen = sizeof(eiter->a.port_supported_cos);
1993 	alen += FDMI_ATTR_TYPELEN(eiter);
1994 	eiter->len = cpu_to_be16(alen);
1995 	size += alen;
1996 	ql_dbg(ql_dbg_disc, vha, 0x20ca,
1997 	    "SUPPORTED COS = %08x\n", be32_to_cpu(eiter->a.port_supported_cos));
1998 
1999 	/* Port Fabric Name */
2000 	eiter = entries + size;
2001 	eiter->type = cpu_to_be16(FDMI_PORT_FABRIC_NAME);
2002 	memcpy(eiter->a.fabric_name, vha->fabric_node_name,
2003 	    sizeof(eiter->a.fabric_name));
2004 	alen = sizeof(eiter->a.fabric_name);
2005 	alen += FDMI_ATTR_TYPELEN(eiter);
2006 	eiter->len = cpu_to_be16(alen);
2007 	size += alen;
2008 	ql_dbg(ql_dbg_disc, vha, 0x20cb,
2009 	    "FABRIC NAME = %016llx.\n", wwn_to_u64(eiter->a.fabric_name));
2010 
2011 	/* FC4_type */
2012 	eiter = entries + size;
2013 	eiter->type = cpu_to_be16(FDMI_PORT_FC4_TYPE);
2014 	eiter->a.port_fc4_type[0] = 0x00;
2015 	eiter->a.port_fc4_type[1] = 0x00;
2016 	eiter->a.port_fc4_type[2] = 0x01;
2017 	eiter->a.port_fc4_type[3] = 0x00;
2018 	alen = sizeof(eiter->a.port_fc4_type);
2019 	alen += FDMI_ATTR_TYPELEN(eiter);
2020 	eiter->len = cpu_to_be16(alen);
2021 	size += alen;
2022 	ql_dbg(ql_dbg_disc, vha, 0x20cc,
2023 	    "PORT ACTIVE FC4 TYPE = %016llx.\n",
2024 	    *(uint64_t *)eiter->a.port_fc4_type);
2025 
2026 	/* Port State */
2027 	eiter = entries + size;
2028 	eiter->type = cpu_to_be16(FDMI_PORT_STATE);
2029 	eiter->a.port_state = cpu_to_be32(2);
2030 	alen = sizeof(eiter->a.port_state);
2031 	alen += FDMI_ATTR_TYPELEN(eiter);
2032 	eiter->len = cpu_to_be16(alen);
2033 	size += alen;
2034 	ql_dbg(ql_dbg_disc, vha, 0x20cd,
2035 	    "PORT_STATE = %x.\n", be32_to_cpu(eiter->a.port_state));
2036 
2037 	/* Number of Ports */
2038 	eiter = entries + size;
2039 	eiter->type = cpu_to_be16(FDMI_PORT_COUNT);
2040 	eiter->a.num_ports = cpu_to_be32(1);
2041 	alen = sizeof(eiter->a.num_ports);
2042 	alen += FDMI_ATTR_TYPELEN(eiter);
2043 	eiter->len = cpu_to_be16(alen);
2044 	size += alen;
2045 	ql_dbg(ql_dbg_disc, vha, 0x20ce,
2046 	    "PORT COUNT = %x.\n", be32_to_cpu(eiter->a.num_ports));
2047 
2048 	/* Port Identifier */
2049 	eiter = entries + size;
2050 	eiter->type = cpu_to_be16(FDMI_PORT_IDENTIFIER);
2051 	eiter->a.port_id = cpu_to_be32(vha->d_id.b24);
2052 	alen = sizeof(eiter->a.port_id);
2053 	alen += FDMI_ATTR_TYPELEN(eiter);
2054 	eiter->len = cpu_to_be16(alen);
2055 	size += alen;
2056 	ql_dbg(ql_dbg_disc, vha, 0x20cf,
2057 	    "PORT ID = %x.\n", be32_to_cpu(eiter->a.port_id));
2058 
2059 	if (callopt == CALLOPT_FDMI2 || !ql2xsmartsan)
2060 		goto done;
2061 
2062 	/* Smart SAN Service Category (Populate Smart SAN Initiator)*/
2063 	eiter = entries + size;
2064 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_SERVICE);
2065 	alen = scnprintf(
2066 		eiter->a.smartsan_service, sizeof(eiter->a.smartsan_service),
2067 		"%s", "Smart SAN Initiator");
2068 	alen += FDMI_ATTR_ALIGNMENT(alen);
2069 	alen += FDMI_ATTR_TYPELEN(eiter);
2070 	eiter->len = cpu_to_be16(alen);
2071 	size += alen;
2072 	ql_dbg(ql_dbg_disc, vha, 0x20d0,
2073 	    "SMARTSAN SERVICE CATEGORY = %s.\n", eiter->a.smartsan_service);
2074 
2075 	/* Smart SAN GUID (NWWN+PWWN) */
2076 	eiter = entries + size;
2077 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_GUID);
2078 	memcpy(eiter->a.smartsan_guid, vha->node_name, WWN_SIZE);
2079 	memcpy(eiter->a.smartsan_guid + WWN_SIZE, vha->port_name, WWN_SIZE);
2080 	alen = sizeof(eiter->a.smartsan_guid);
2081 	alen += FDMI_ATTR_TYPELEN(eiter);
2082 	eiter->len = cpu_to_be16(alen);
2083 	size += alen;
2084 	ql_dbg(ql_dbg_disc, vha, 0x20d1,
2085 	    "Smart SAN GUID = %016llx-%016llx\n",
2086 	    wwn_to_u64(eiter->a.smartsan_guid),
2087 	    wwn_to_u64(eiter->a.smartsan_guid + WWN_SIZE));
2088 
2089 	/* Smart SAN Version (populate "Smart SAN Version 1.0") */
2090 	eiter = entries + size;
2091 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_VERSION);
2092 	alen = scnprintf(
2093 		eiter->a.smartsan_version, sizeof(eiter->a.smartsan_version),
2094 		"%s", "Smart SAN Version 2.0");
2095 	alen += FDMI_ATTR_ALIGNMENT(alen);
2096 	alen += FDMI_ATTR_TYPELEN(eiter);
2097 	eiter->len = cpu_to_be16(alen);
2098 	size += alen;
2099 	ql_dbg(ql_dbg_disc, vha, 0x20d2,
2100 	    "SMARTSAN VERSION = %s\n", eiter->a.smartsan_version);
2101 
2102 	/* Smart SAN Product Name (Specify Adapter Model No) */
2103 	eiter = entries + size;
2104 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_PROD_NAME);
2105 	alen = scnprintf(eiter->a.smartsan_prod_name,
2106 		sizeof(eiter->a.smartsan_prod_name),
2107 		"ISP%04x", ha->pdev->device);
2108 	alen += FDMI_ATTR_ALIGNMENT(alen);
2109 	alen += FDMI_ATTR_TYPELEN(eiter);
2110 	eiter->len = cpu_to_be16(alen);
2111 	size += alen;
2112 	ql_dbg(ql_dbg_disc, vha, 0x20d3,
2113 	    "SMARTSAN PRODUCT NAME = %s\n", eiter->a.smartsan_prod_name);
2114 
2115 	/* Smart SAN Port Info (specify: 1=Physical, 2=NPIV, 3=SRIOV) */
2116 	eiter = entries + size;
2117 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_PORT_INFO);
2118 	eiter->a.smartsan_port_info = cpu_to_be32(vha->vp_idx ? 2 : 1);
2119 	alen = sizeof(eiter->a.smartsan_port_info);
2120 	alen += FDMI_ATTR_TYPELEN(eiter);
2121 	eiter->len = cpu_to_be16(alen);
2122 	size += alen;
2123 	ql_dbg(ql_dbg_disc, vha, 0x20d4,
2124 	    "SMARTSAN PORT INFO = %x\n", eiter->a.smartsan_port_info);
2125 
2126 	/* Smart SAN Security Support */
2127 	eiter = entries + size;
2128 	eiter->type = cpu_to_be16(FDMI_SMARTSAN_SECURITY_SUPPORT);
2129 	eiter->a.smartsan_security_support = cpu_to_be32(1);
2130 	alen = sizeof(eiter->a.smartsan_security_support);
2131 	alen += FDMI_ATTR_TYPELEN(eiter);
2132 	eiter->len = cpu_to_be16(alen);
2133 	size += alen;
2134 	ql_dbg(ql_dbg_disc, vha, 0x20d6,
2135 	    "SMARTSAN SECURITY SUPPORT = %d\n",
2136 	    be32_to_cpu(eiter->a.smartsan_security_support));
2137 
2138 done:
2139 	return size;
2140 }
2141 
2142 /**
2143  * qla2x00_fdmi_rhba() - perform RHBA FDMI registration
2144  * @vha: HA context
2145  * @callopt: Option to issue FDMI registration
2146  *
2147  * Returns 0 on success.
2148  */
2149 static int
2150 qla2x00_fdmi_rhba(scsi_qla_host_t *vha, unsigned int callopt)
2151 {
2152 	struct qla_hw_data *ha = vha->hw;
2153 	unsigned long size = 0;
2154 	unsigned int rval, count;
2155 	ms_iocb_entry_t *ms_pkt;
2156 	struct ct_sns_req *ct_req;
2157 	struct ct_sns_rsp *ct_rsp;
2158 	void *entries;
2159 
2160 	count = callopt != CALLOPT_FDMI1 ?
2161 	    FDMI2_HBA_ATTR_COUNT : FDMI1_HBA_ATTR_COUNT;
2162 
2163 	size = RHBA_RSP_SIZE;
2164 
2165 	ql_dbg(ql_dbg_disc, vha, 0x20e0,
2166 	    "RHBA (callopt=%x count=%u size=%lu).\n", callopt, count, size);
2167 
2168 	/*   Request size adjusted after CT preparation */
2169 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, size);
2170 
2171 	/* Prepare CT request */
2172 	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RHBA_CMD, size);
2173 	ct_rsp = &ha->ct_sns->p.rsp;
2174 
2175 	/* Prepare FDMI command entries */
2176 	memcpy(ct_req->req.rhba.hba_identifier, vha->port_name,
2177 	    sizeof(ct_req->req.rhba.hba_identifier));
2178 	size += sizeof(ct_req->req.rhba.hba_identifier);
2179 
2180 	ct_req->req.rhba.entry_count = cpu_to_be32(1);
2181 	size += sizeof(ct_req->req.rhba.entry_count);
2182 
2183 	memcpy(ct_req->req.rhba.port_name, vha->port_name,
2184 	    sizeof(ct_req->req.rhba.port_name));
2185 	size += sizeof(ct_req->req.rhba.port_name);
2186 
2187 	/* Attribute count */
2188 	ct_req->req.rhba.attrs.count = cpu_to_be32(count);
2189 	size += sizeof(ct_req->req.rhba.attrs.count);
2190 
2191 	/* Attribute block */
2192 	entries = &ct_req->req.rhba.attrs.entry;
2193 
2194 	size += qla2x00_hba_attributes(vha, entries, callopt);
2195 
2196 	/* Update MS request size. */
2197 	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
2198 
2199 	ql_dbg(ql_dbg_disc, vha, 0x20e1,
2200 	    "RHBA %016llx %016llx.\n",
2201 	    wwn_to_u64(ct_req->req.rhba.hba_identifier),
2202 	    wwn_to_u64(ct_req->req.rhba.port_name));
2203 
2204 	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x20e2,
2205 	    entries, size);
2206 
2207 	/* Execute MS IOCB */
2208 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2209 	    sizeof(*ha->ms_iocb));
2210 	if (rval) {
2211 		ql_dbg(ql_dbg_disc, vha, 0x20e3,
2212 		    "RHBA iocb failed (%d).\n", rval);
2213 		return rval;
2214 	}
2215 
2216 	rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RHBA");
2217 	if (rval) {
2218 		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
2219 		    ct_rsp->header.explanation_code ==
2220 		    CT_EXPL_ALREADY_REGISTERED) {
2221 			ql_dbg(ql_dbg_disc, vha, 0x20e4,
2222 			    "RHBA already registered.\n");
2223 			return QLA_ALREADY_REGISTERED;
2224 		}
2225 
2226 		ql_dbg(ql_dbg_disc, vha, 0x20e5,
2227 		    "RHBA failed, CT Reason %#x, CT Explanation %#x\n",
2228 		    ct_rsp->header.reason_code,
2229 		    ct_rsp->header.explanation_code);
2230 		return rval;
2231 	}
2232 
2233 	ql_dbg(ql_dbg_disc, vha, 0x20e6, "RHBA exiting normally.\n");
2234 	return rval;
2235 }
2236 
2237 
2238 static int
2239 qla2x00_fdmi_dhba(scsi_qla_host_t *vha)
2240 {
2241 	int rval;
2242 	struct qla_hw_data *ha = vha->hw;
2243 	ms_iocb_entry_t *ms_pkt;
2244 	struct ct_sns_req *ct_req;
2245 	struct ct_sns_rsp *ct_rsp;
2246 	/* Issue RPA */
2247 	/* Prepare common MS IOCB */
2248 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, DHBA_REQ_SIZE,
2249 	    DHBA_RSP_SIZE);
2250 	/* Prepare CT request */
2251 	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, DHBA_CMD, DHBA_RSP_SIZE);
2252 	ct_rsp = &ha->ct_sns->p.rsp;
2253 	/* Prepare FDMI command arguments -- portname. */
2254 	memcpy(ct_req->req.dhba.port_name, vha->port_name, WWN_SIZE);
2255 	ql_dbg(ql_dbg_disc, vha, 0x2036,
2256 	    "DHBA portname = %8phN.\n", ct_req->req.dhba.port_name);
2257 	/* Execute MS IOCB */
2258 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2259 	    sizeof(ms_iocb_entry_t));
2260 	if (rval != QLA_SUCCESS) {
2261 		/*EMPTY*/
2262 		ql_dbg(ql_dbg_disc, vha, 0x2037,
2263 		    "DHBA issue IOCB failed (%d).\n", rval);
2264 	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "DHBA") !=
2265 	    QLA_SUCCESS) {
2266 		rval = QLA_FUNCTION_FAILED;
2267 	} else {
2268 		ql_dbg(ql_dbg_disc, vha, 0x2038,
2269 		    "DHBA exiting normally.\n");
2270 	}
2271 	return rval;
2272 }
2273 
2274 /**
2275  * qla2x00_fdmi_rprt() perform RPRT registration
2276  * @vha: HA context
2277  * @callopt: Option to issue extended or standard FDMI
2278  *           command parameter
2279  *
2280  * Returns 0 on success.
2281  */
2282 static int
2283 qla2x00_fdmi_rprt(scsi_qla_host_t *vha, int callopt)
2284 {
2285 	struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
2286 	struct qla_hw_data *ha = vha->hw;
2287 	ulong size = 0;
2288 	uint rval, count;
2289 	ms_iocb_entry_t *ms_pkt;
2290 	struct ct_sns_req *ct_req;
2291 	struct ct_sns_rsp *ct_rsp;
2292 	void *entries;
2293 	count = callopt == CALLOPT_FDMI2_SMARTSAN && ql2xsmartsan ?
2294 		FDMI2_SMARTSAN_PORT_ATTR_COUNT :
2295 		callopt != CALLOPT_FDMI1 ?
2296 		FDMI2_PORT_ATTR_COUNT : FDMI1_PORT_ATTR_COUNT;
2297 
2298 	size = RPRT_RSP_SIZE;
2299 	ql_dbg(ql_dbg_disc, vha, 0x20e8,
2300 	    "RPRT (callopt=%x count=%u size=%lu).\n", callopt, count, size);
2301 	/* Request size adjusted after CT preparation */
2302 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, size);
2303 	/* Prepare CT request */
2304 	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RPRT_CMD, size);
2305 	ct_rsp = &ha->ct_sns->p.rsp;
2306 	/* Prepare FDMI command entries */
2307 	memcpy(ct_req->req.rprt.hba_identifier, base_vha->port_name,
2308 	    sizeof(ct_req->req.rprt.hba_identifier));
2309 	size += sizeof(ct_req->req.rprt.hba_identifier);
2310 	memcpy(ct_req->req.rprt.port_name, vha->port_name,
2311 	    sizeof(ct_req->req.rprt.port_name));
2312 	size += sizeof(ct_req->req.rprt.port_name);
2313 	/* Attribute count */
2314 	ct_req->req.rprt.attrs.count = cpu_to_be32(count);
2315 	size += sizeof(ct_req->req.rprt.attrs.count);
2316 	/* Attribute block */
2317 	entries = ct_req->req.rprt.attrs.entry;
2318 	size += qla2x00_port_attributes(vha, entries, callopt);
2319 	/* Update MS request size. */
2320 	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
2321 	ql_dbg(ql_dbg_disc, vha, 0x20e9,
2322 	    "RPRT %016llx  %016llx.\n",
2323 	    wwn_to_u64(ct_req->req.rprt.port_name),
2324 	    wwn_to_u64(ct_req->req.rprt.port_name));
2325 	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x20ea,
2326 	    entries, size);
2327 	/* Execute MS IOCB */
2328 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2329 	    sizeof(*ha->ms_iocb));
2330 	if (rval) {
2331 		ql_dbg(ql_dbg_disc, vha, 0x20eb,
2332 		    "RPRT iocb failed (%d).\n", rval);
2333 		return rval;
2334 	}
2335 	rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RPRT");
2336 	if (rval) {
2337 		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
2338 		    ct_rsp->header.explanation_code ==
2339 		    CT_EXPL_ALREADY_REGISTERED) {
2340 			ql_dbg(ql_dbg_disc, vha, 0x20ec,
2341 			    "RPRT already registered.\n");
2342 			return QLA_ALREADY_REGISTERED;
2343 		}
2344 
2345 		ql_dbg(ql_dbg_disc, vha, 0x20ed,
2346 		    "RPRT failed, CT Reason code: %#x, CT Explanation %#x\n",
2347 		    ct_rsp->header.reason_code,
2348 		    ct_rsp->header.explanation_code);
2349 		return rval;
2350 	}
2351 	ql_dbg(ql_dbg_disc, vha, 0x20ee, "RPRT exiting normally.\n");
2352 	return rval;
2353 }
2354 
2355 /**
2356  * qla2x00_fdmi_rpa() - perform RPA registration
2357  * @vha: HA context
2358  * @callopt: Option to issue FDMI registration
2359  *
2360  * Returns 0 on success.
2361  */
2362 static int
2363 qla2x00_fdmi_rpa(scsi_qla_host_t *vha, uint callopt)
2364 {
2365 	struct qla_hw_data *ha = vha->hw;
2366 	ulong size = 0;
2367 	uint rval, count;
2368 	ms_iocb_entry_t *ms_pkt;
2369 	struct ct_sns_req *ct_req;
2370 	struct ct_sns_rsp *ct_rsp;
2371 	void *entries;
2372 
2373 	count =
2374 	    callopt == CALLOPT_FDMI2_SMARTSAN && ql2xsmartsan ?
2375 		FDMI2_SMARTSAN_PORT_ATTR_COUNT :
2376 	    callopt != CALLOPT_FDMI1 ?
2377 		FDMI2_PORT_ATTR_COUNT : FDMI1_PORT_ATTR_COUNT;
2378 
2379 	size =
2380 	    callopt != CALLOPT_FDMI1 ?
2381 		SMARTSAN_RPA_RSP_SIZE : RPA_RSP_SIZE;
2382 
2383 	ql_dbg(ql_dbg_disc, vha, 0x20f0,
2384 	    "RPA (callopt=%x count=%u size=%lu).\n", callopt, count, size);
2385 
2386 	/* Request size adjusted after CT preparation */
2387 	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, size);
2388 
2389 	/* Prepare CT request */
2390 	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RPA_CMD, size);
2391 	ct_rsp = &ha->ct_sns->p.rsp;
2392 
2393 	/* Prepare FDMI command entries. */
2394 	memcpy(ct_req->req.rpa.port_name, vha->port_name,
2395 	    sizeof(ct_req->req.rpa.port_name));
2396 	size += sizeof(ct_req->req.rpa.port_name);
2397 
2398 	/* Attribute count */
2399 	ct_req->req.rpa.attrs.count = cpu_to_be32(count);
2400 	size += sizeof(ct_req->req.rpa.attrs.count);
2401 
2402 	/* Attribute block */
2403 	entries = ct_req->req.rpa.attrs.entry;
2404 
2405 	size += qla2x00_port_attributes(vha, entries, callopt);
2406 
2407 	/* Update MS request size. */
2408 	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
2409 
2410 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
2411 	    "RPA %016llx.\n", wwn_to_u64(ct_req->req.rpa.port_name));
2412 
2413 	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x20f2,
2414 	    entries, size);
2415 
2416 	/* Execute MS IOCB */
2417 	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2418 	    sizeof(*ha->ms_iocb));
2419 	if (rval) {
2420 		ql_dbg(ql_dbg_disc, vha, 0x20f3,
2421 		    "RPA iocb failed (%d).\n", rval);
2422 		return rval;
2423 	}
2424 
2425 	rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RPA");
2426 	if (rval) {
2427 		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
2428 		    ct_rsp->header.explanation_code ==
2429 		    CT_EXPL_ALREADY_REGISTERED) {
2430 			ql_dbg(ql_dbg_disc, vha, 0x20f4,
2431 			    "RPA already registered.\n");
2432 			return QLA_ALREADY_REGISTERED;
2433 		}
2434 
2435 		ql_dbg(ql_dbg_disc, vha, 0x20f5,
2436 		    "RPA failed, CT Reason code: %#x, CT Explanation %#x\n",
2437 		    ct_rsp->header.reason_code,
2438 		    ct_rsp->header.explanation_code);
2439 		return rval;
2440 	}
2441 
2442 	ql_dbg(ql_dbg_disc, vha, 0x20f6, "RPA exiting normally.\n");
2443 	return rval;
2444 }
2445 
2446 /**
2447  * qla2x00_fdmi_register() -
2448  * @vha: HA context
2449  *
2450  * Returns 0 on success.
2451  */
2452 int
2453 qla2x00_fdmi_register(scsi_qla_host_t *vha)
2454 {
2455 	int rval = QLA_SUCCESS;
2456 	struct qla_hw_data *ha = vha->hw;
2457 
2458 	if (IS_QLA2100(ha) || IS_QLA2200(ha) ||
2459 	    IS_QLAFX00(ha))
2460 		return rval;
2461 
2462 	rval = qla2x00_mgmt_svr_login(vha);
2463 	if (rval)
2464 		return rval;
2465 
2466 	/* For npiv/vport send rprt only */
2467 	if (vha->vp_idx) {
2468 		if (ql2xsmartsan)
2469 			rval = qla2x00_fdmi_rprt(vha, CALLOPT_FDMI2_SMARTSAN);
2470 		if (rval || !ql2xsmartsan)
2471 			rval = qla2x00_fdmi_rprt(vha, CALLOPT_FDMI2);
2472 		if (rval)
2473 			rval = qla2x00_fdmi_rprt(vha, CALLOPT_FDMI1);
2474 
2475 		return rval;
2476 	}
2477 
2478 	/* Try fdmi2 first, if fails then try fdmi1 */
2479 	rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI2);
2480 	if (rval) {
2481 		if (rval != QLA_ALREADY_REGISTERED)
2482 			goto try_fdmi;
2483 
2484 		rval = qla2x00_fdmi_dhba(vha);
2485 		if (rval)
2486 			goto try_fdmi;
2487 
2488 		rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI2);
2489 		if (rval)
2490 			goto try_fdmi;
2491 	}
2492 
2493 	if (ql2xsmartsan)
2494 		rval = qla2x00_fdmi_rpa(vha, CALLOPT_FDMI2_SMARTSAN);
2495 	if (rval || !ql2xsmartsan)
2496 		rval = qla2x00_fdmi_rpa(vha, CALLOPT_FDMI2);
2497 	if (rval)
2498 		goto try_fdmi;
2499 
2500 	return rval;
2501 
2502 try_fdmi:
2503 	rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI1);
2504 	if (rval) {
2505 		if (rval != QLA_ALREADY_REGISTERED)
2506 			return rval;
2507 
2508 		rval = qla2x00_fdmi_dhba(vha);
2509 		if (rval)
2510 			return rval;
2511 
2512 		rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI1);
2513 		if (rval)
2514 			return rval;
2515 	}
2516 
2517 	rval = qla2x00_fdmi_rpa(vha, CALLOPT_FDMI1);
2518 
2519 	return rval;
2520 }
2521 
2522 /**
2523  * qla2x00_gfpn_id() - SNS Get Fabric Port Name (GFPN_ID) query.
2524  * @vha: HA context
2525  * @list: switch info entries to populate
2526  *
2527  * Returns 0 on success.
2528  */
2529 int
2530 qla2x00_gfpn_id(scsi_qla_host_t *vha, sw_info_t *list)
2531 {
2532 	int		rval = QLA_SUCCESS;
2533 	uint16_t	i;
2534 	struct qla_hw_data *ha = vha->hw;
2535 	ms_iocb_entry_t	*ms_pkt;
2536 	struct ct_sns_req	*ct_req;
2537 	struct ct_sns_rsp	*ct_rsp;
2538 	struct ct_arg arg;
2539 
2540 	if (!IS_IIDMA_CAPABLE(ha))
2541 		return QLA_FUNCTION_FAILED;
2542 
2543 	arg.iocb = ha->ms_iocb;
2544 	arg.req_dma = ha->ct_sns_dma;
2545 	arg.rsp_dma = ha->ct_sns_dma;
2546 	arg.req_size = GFPN_ID_REQ_SIZE;
2547 	arg.rsp_size = GFPN_ID_RSP_SIZE;
2548 	arg.nport_handle = NPH_SNS;
2549 
2550 	for (i = 0; i < ha->max_fibre_devices; i++) {
2551 		/* Issue GFPN_ID */
2552 		/* Prepare common MS IOCB */
2553 		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
2554 
2555 		/* Prepare CT request */
2556 		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GFPN_ID_CMD,
2557 		    GFPN_ID_RSP_SIZE);
2558 		ct_rsp = &ha->ct_sns->p.rsp;
2559 
2560 		/* Prepare CT arguments -- port_id */
2561 		ct_req->req.port_id.port_id = port_id_to_be_id(list[i].d_id);
2562 
2563 		/* Execute MS IOCB */
2564 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2565 		    sizeof(ms_iocb_entry_t));
2566 		if (rval != QLA_SUCCESS) {
2567 			/*EMPTY*/
2568 			ql_dbg(ql_dbg_disc, vha, 0x2023,
2569 			    "GFPN_ID issue IOCB failed (%d).\n", rval);
2570 			break;
2571 		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
2572 		    "GFPN_ID") != QLA_SUCCESS) {
2573 			rval = QLA_FUNCTION_FAILED;
2574 			break;
2575 		} else {
2576 			/* Save fabric portname */
2577 			memcpy(list[i].fabric_port_name,
2578 			    ct_rsp->rsp.gfpn_id.port_name, WWN_SIZE);
2579 		}
2580 
2581 		/* Last device exit. */
2582 		if (list[i].d_id.b.rsvd_1 != 0)
2583 			break;
2584 	}
2585 
2586 	return (rval);
2587 }
2588 
2589 
2590 static inline struct ct_sns_req *
2591 qla24xx_prep_ct_fm_req(struct ct_sns_pkt *p, uint16_t cmd,
2592     uint16_t rsp_size)
2593 {
2594 	memset(p, 0, sizeof(struct ct_sns_pkt));
2595 
2596 	p->p.req.header.revision = 0x01;
2597 	p->p.req.header.gs_type = 0xFA;
2598 	p->p.req.header.gs_subtype = 0x01;
2599 	p->p.req.command = cpu_to_be16(cmd);
2600 	p->p.req.max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
2601 
2602 	return &p->p.req;
2603 }
2604 
2605 static uint16_t
2606 qla2x00_port_speed_capability(uint16_t speed)
2607 {
2608 	switch (speed) {
2609 	case BIT_15:
2610 		return PORT_SPEED_1GB;
2611 	case BIT_14:
2612 		return PORT_SPEED_2GB;
2613 	case BIT_13:
2614 		return PORT_SPEED_4GB;
2615 	case BIT_12:
2616 		return PORT_SPEED_10GB;
2617 	case BIT_11:
2618 		return PORT_SPEED_8GB;
2619 	case BIT_10:
2620 		return PORT_SPEED_16GB;
2621 	case BIT_8:
2622 		return PORT_SPEED_32GB;
2623 	case BIT_7:
2624 		return PORT_SPEED_64GB;
2625 	default:
2626 		return PORT_SPEED_UNKNOWN;
2627 	}
2628 }
2629 
2630 /**
2631  * qla2x00_gpsc() - FCS Get Port Speed Capabilities (GPSC) query.
2632  * @vha: HA context
2633  * @list: switch info entries to populate
2634  *
2635  * Returns 0 on success.
2636  */
2637 int
2638 qla2x00_gpsc(scsi_qla_host_t *vha, sw_info_t *list)
2639 {
2640 	int		rval;
2641 	uint16_t	i;
2642 	struct qla_hw_data *ha = vha->hw;
2643 	ms_iocb_entry_t *ms_pkt;
2644 	struct ct_sns_req	*ct_req;
2645 	struct ct_sns_rsp	*ct_rsp;
2646 	struct ct_arg arg;
2647 
2648 	if (!IS_IIDMA_CAPABLE(ha))
2649 		return QLA_FUNCTION_FAILED;
2650 	if (!ha->flags.gpsc_supported)
2651 		return QLA_FUNCTION_FAILED;
2652 
2653 	rval = qla2x00_mgmt_svr_login(vha);
2654 	if (rval)
2655 		return rval;
2656 
2657 	arg.iocb = ha->ms_iocb;
2658 	arg.req_dma = ha->ct_sns_dma;
2659 	arg.rsp_dma = ha->ct_sns_dma;
2660 	arg.req_size = GPSC_REQ_SIZE;
2661 	arg.rsp_size = GPSC_RSP_SIZE;
2662 	arg.nport_handle = vha->mgmt_svr_loop_id;
2663 
2664 	for (i = 0; i < ha->max_fibre_devices; i++) {
2665 		/* Issue GFPN_ID */
2666 		/* Prepare common MS IOCB */
2667 		ms_pkt = qla24xx_prep_ms_iocb(vha, &arg);
2668 
2669 		/* Prepare CT request */
2670 		ct_req = qla24xx_prep_ct_fm_req(ha->ct_sns, GPSC_CMD,
2671 		    GPSC_RSP_SIZE);
2672 		ct_rsp = &ha->ct_sns->p.rsp;
2673 
2674 		/* Prepare CT arguments -- port_name */
2675 		memcpy(ct_req->req.gpsc.port_name, list[i].fabric_port_name,
2676 		    WWN_SIZE);
2677 
2678 		/* Execute MS IOCB */
2679 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2680 		    sizeof(ms_iocb_entry_t));
2681 		if (rval != QLA_SUCCESS) {
2682 			/*EMPTY*/
2683 			ql_dbg(ql_dbg_disc, vha, 0x2059,
2684 			    "GPSC issue IOCB failed (%d).\n", rval);
2685 		} else if ((rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
2686 		    "GPSC")) != QLA_SUCCESS) {
2687 			/* FM command unsupported? */
2688 			if (rval == QLA_INVALID_COMMAND &&
2689 			    (ct_rsp->header.reason_code ==
2690 				CT_REASON_INVALID_COMMAND_CODE ||
2691 			     ct_rsp->header.reason_code ==
2692 				CT_REASON_COMMAND_UNSUPPORTED)) {
2693 				ql_dbg(ql_dbg_disc, vha, 0x205a,
2694 				    "GPSC command unsupported, disabling "
2695 				    "query.\n");
2696 				ha->flags.gpsc_supported = 0;
2697 				rval = QLA_FUNCTION_FAILED;
2698 				break;
2699 			}
2700 			rval = QLA_FUNCTION_FAILED;
2701 		} else {
2702 			list->fp_speed = qla2x00_port_speed_capability(
2703 			    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2704 			ql_dbg(ql_dbg_disc, vha, 0x205b,
2705 			    "GPSC ext entry - fpn "
2706 			    "%8phN speeds=%04x speed=%04x.\n",
2707 			    list[i].fabric_port_name,
2708 			    be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
2709 			    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2710 		}
2711 
2712 		/* Last device exit. */
2713 		if (list[i].d_id.b.rsvd_1 != 0)
2714 			break;
2715 	}
2716 
2717 	return (rval);
2718 }
2719 
2720 /**
2721  * qla2x00_gff_id() - SNS Get FC-4 Features (GFF_ID) query.
2722  *
2723  * @vha: HA context
2724  * @list: switch info entries to populate
2725  *
2726  */
2727 void
2728 qla2x00_gff_id(scsi_qla_host_t *vha, sw_info_t *list)
2729 {
2730 	int		rval;
2731 	uint16_t	i;
2732 
2733 	ms_iocb_entry_t	*ms_pkt;
2734 	struct ct_sns_req	*ct_req;
2735 	struct ct_sns_rsp	*ct_rsp;
2736 	struct qla_hw_data *ha = vha->hw;
2737 	uint8_t fcp_scsi_features = 0, nvme_features = 0;
2738 	struct ct_arg arg;
2739 
2740 	for (i = 0; i < ha->max_fibre_devices; i++) {
2741 		/* Set default FC4 Type as UNKNOWN so the default is to
2742 		 * Process this port */
2743 		list[i].fc4_type = 0;
2744 
2745 		/* Do not attempt GFF_ID if we are not FWI_2 capable */
2746 		if (!IS_FWI2_CAPABLE(ha))
2747 			continue;
2748 
2749 		arg.iocb = ha->ms_iocb;
2750 		arg.req_dma = ha->ct_sns_dma;
2751 		arg.rsp_dma = ha->ct_sns_dma;
2752 		arg.req_size = GFF_ID_REQ_SIZE;
2753 		arg.rsp_size = GFF_ID_RSP_SIZE;
2754 		arg.nport_handle = NPH_SNS;
2755 
2756 		/* Prepare common MS IOCB */
2757 		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
2758 
2759 		/* Prepare CT request */
2760 		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GFF_ID_CMD,
2761 		    GFF_ID_RSP_SIZE);
2762 		ct_rsp = &ha->ct_sns->p.rsp;
2763 
2764 		/* Prepare CT arguments -- port_id */
2765 		ct_req->req.port_id.port_id = port_id_to_be_id(list[i].d_id);
2766 
2767 		/* Execute MS IOCB */
2768 		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2769 		   sizeof(ms_iocb_entry_t));
2770 
2771 		if (rval != QLA_SUCCESS) {
2772 			ql_dbg(ql_dbg_disc, vha, 0x205c,
2773 			    "GFF_ID issue IOCB failed (%d).\n", rval);
2774 		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
2775 			       "GFF_ID") != QLA_SUCCESS) {
2776 			ql_dbg(ql_dbg_disc, vha, 0x205d,
2777 			    "GFF_ID IOCB status had a failure status code.\n");
2778 		} else {
2779 			fcp_scsi_features =
2780 			   ct_rsp->rsp.gff_id.fc4_features[GFF_FCP_SCSI_OFFSET];
2781 			fcp_scsi_features &= 0x0f;
2782 
2783 			if (fcp_scsi_features) {
2784 				list[i].fc4_type = FS_FC4TYPE_FCP;
2785 				list[i].fc4_features = fcp_scsi_features;
2786 			}
2787 
2788 			nvme_features =
2789 			    ct_rsp->rsp.gff_id.fc4_features[GFF_NVME_OFFSET];
2790 			nvme_features &= 0xf;
2791 
2792 			if (nvme_features) {
2793 				list[i].fc4_type |= FS_FC4TYPE_NVME;
2794 				list[i].fc4_features = nvme_features;
2795 			}
2796 		}
2797 
2798 		/* Last device exit. */
2799 		if (list[i].d_id.b.rsvd_1 != 0)
2800 			break;
2801 	}
2802 }
2803 
2804 int qla24xx_post_gpsc_work(struct scsi_qla_host *vha, fc_port_t *fcport)
2805 {
2806 	struct qla_work_evt *e;
2807 
2808 	e = qla2x00_alloc_work(vha, QLA_EVT_GPSC);
2809 	if (!e)
2810 		return QLA_FUNCTION_FAILED;
2811 
2812 	e->u.fcport.fcport = fcport;
2813 	return qla2x00_post_work(vha, e);
2814 }
2815 
2816 void qla24xx_handle_gpsc_event(scsi_qla_host_t *vha, struct event_arg *ea)
2817 {
2818 	struct fc_port *fcport = ea->fcport;
2819 
2820 	ql_dbg(ql_dbg_disc, vha, 0x20d8,
2821 	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
2822 	    __func__, fcport->port_name, fcport->disc_state,
2823 	    fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
2824 	    ea->sp->gen2, fcport->rscn_gen|ea->sp->gen1, fcport->loop_id);
2825 
2826 	if (fcport->disc_state == DSC_DELETE_PEND)
2827 		return;
2828 
2829 	if (ea->sp->gen2 != fcport->login_gen) {
2830 		/* target side must have changed it. */
2831 		ql_dbg(ql_dbg_disc, vha, 0x20d3,
2832 		    "%s %8phC generation changed\n",
2833 		    __func__, fcport->port_name);
2834 		return;
2835 	} else if (ea->sp->gen1 != fcport->rscn_gen) {
2836 		return;
2837 	}
2838 
2839 	qla_post_iidma_work(vha, fcport);
2840 }
2841 
2842 static void qla24xx_async_gpsc_sp_done(srb_t *sp, int res)
2843 {
2844 	struct scsi_qla_host *vha = sp->vha;
2845 	struct qla_hw_data *ha = vha->hw;
2846 	fc_port_t *fcport = sp->fcport;
2847 	struct ct_sns_rsp       *ct_rsp;
2848 	struct event_arg ea;
2849 
2850 	ct_rsp = &fcport->ct_desc.ct_sns->p.rsp;
2851 
2852 	ql_dbg(ql_dbg_disc, vha, 0x2053,
2853 	    "Async done-%s res %x, WWPN %8phC \n",
2854 	    sp->name, res, fcport->port_name);
2855 
2856 	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
2857 
2858 	if (res == QLA_FUNCTION_TIMEOUT)
2859 		goto done;
2860 
2861 	if (res == (DID_ERROR << 16)) {
2862 		/* entry status error */
2863 		goto done;
2864 	} else if (res) {
2865 		if ((ct_rsp->header.reason_code ==
2866 			 CT_REASON_INVALID_COMMAND_CODE) ||
2867 			(ct_rsp->header.reason_code ==
2868 			CT_REASON_COMMAND_UNSUPPORTED)) {
2869 			ql_dbg(ql_dbg_disc, vha, 0x2019,
2870 			    "GPSC command unsupported, disabling query.\n");
2871 			ha->flags.gpsc_supported = 0;
2872 			goto done;
2873 		}
2874 	} else {
2875 		fcport->fp_speed = qla2x00_port_speed_capability(
2876 		    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2877 
2878 		ql_dbg(ql_dbg_disc, vha, 0x2054,
2879 		    "Async-%s OUT WWPN %8phC speeds=%04x speed=%04x.\n",
2880 		    sp->name, fcport->fabric_port_name,
2881 		    be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
2882 		    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2883 	}
2884 	memset(&ea, 0, sizeof(ea));
2885 	ea.rc = res;
2886 	ea.fcport = fcport;
2887 	ea.sp = sp;
2888 	qla24xx_handle_gpsc_event(vha, &ea);
2889 
2890 done:
2891 	sp->free(sp);
2892 }
2893 
2894 int qla24xx_async_gpsc(scsi_qla_host_t *vha, fc_port_t *fcport)
2895 {
2896 	int rval = QLA_FUNCTION_FAILED;
2897 	struct ct_sns_req       *ct_req;
2898 	srb_t *sp;
2899 
2900 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
2901 		return rval;
2902 
2903 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2904 	if (!sp)
2905 		goto done;
2906 
2907 	sp->type = SRB_CT_PTHRU_CMD;
2908 	sp->name = "gpsc";
2909 	sp->gen1 = fcport->rscn_gen;
2910 	sp->gen2 = fcport->login_gen;
2911 
2912 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
2913 
2914 	/* CT_IU preamble  */
2915 	ct_req = qla24xx_prep_ct_fm_req(fcport->ct_desc.ct_sns, GPSC_CMD,
2916 		GPSC_RSP_SIZE);
2917 
2918 	/* GPSC req */
2919 	memcpy(ct_req->req.gpsc.port_name, fcport->fabric_port_name,
2920 		WWN_SIZE);
2921 
2922 	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
2923 	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
2924 	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
2925 	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
2926 	sp->u.iocb_cmd.u.ctarg.req_size = GPSC_REQ_SIZE;
2927 	sp->u.iocb_cmd.u.ctarg.rsp_size = GPSC_RSP_SIZE;
2928 	sp->u.iocb_cmd.u.ctarg.nport_handle = vha->mgmt_svr_loop_id;
2929 
2930 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
2931 	sp->done = qla24xx_async_gpsc_sp_done;
2932 
2933 	ql_dbg(ql_dbg_disc, vha, 0x205e,
2934 	    "Async-%s %8phC hdl=%x loopid=%x portid=%02x%02x%02x.\n",
2935 	    sp->name, fcport->port_name, sp->handle,
2936 	    fcport->loop_id, fcport->d_id.b.domain,
2937 	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
2938 
2939 	rval = qla2x00_start_sp(sp);
2940 	if (rval != QLA_SUCCESS)
2941 		goto done_free_sp;
2942 	return rval;
2943 
2944 done_free_sp:
2945 	sp->free(sp);
2946 done:
2947 	return rval;
2948 }
2949 
2950 int qla24xx_post_gpnid_work(struct scsi_qla_host *vha, port_id_t *id)
2951 {
2952 	struct qla_work_evt *e;
2953 
2954 	if (test_bit(UNLOADING, &vha->dpc_flags) ||
2955 	    (vha->vp_idx && test_bit(VPORT_DELETE, &vha->dpc_flags)))
2956 		return 0;
2957 
2958 	e = qla2x00_alloc_work(vha, QLA_EVT_GPNID);
2959 	if (!e)
2960 		return QLA_FUNCTION_FAILED;
2961 
2962 	e->u.gpnid.id = *id;
2963 	return qla2x00_post_work(vha, e);
2964 }
2965 
2966 void qla24xx_sp_unmap(scsi_qla_host_t *vha, srb_t *sp)
2967 {
2968 	struct srb_iocb *c = &sp->u.iocb_cmd;
2969 
2970 	switch (sp->type) {
2971 	case SRB_ELS_DCMD:
2972 		qla2x00_els_dcmd2_free(vha, &c->u.els_plogi);
2973 		break;
2974 	case SRB_CT_PTHRU_CMD:
2975 	default:
2976 		if (sp->u.iocb_cmd.u.ctarg.req) {
2977 			dma_free_coherent(&vha->hw->pdev->dev,
2978 			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
2979 			    sp->u.iocb_cmd.u.ctarg.req,
2980 			    sp->u.iocb_cmd.u.ctarg.req_dma);
2981 			sp->u.iocb_cmd.u.ctarg.req = NULL;
2982 		}
2983 
2984 		if (sp->u.iocb_cmd.u.ctarg.rsp) {
2985 			dma_free_coherent(&vha->hw->pdev->dev,
2986 			    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
2987 			    sp->u.iocb_cmd.u.ctarg.rsp,
2988 			    sp->u.iocb_cmd.u.ctarg.rsp_dma);
2989 			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
2990 		}
2991 		break;
2992 	}
2993 
2994 	sp->free(sp);
2995 }
2996 
2997 void qla24xx_handle_gpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
2998 {
2999 	fc_port_t *fcport, *conflict, *t;
3000 	u16 data[2];
3001 
3002 	ql_dbg(ql_dbg_disc, vha, 0xffff,
3003 	    "%s %d port_id: %06x\n",
3004 	    __func__, __LINE__, ea->id.b24);
3005 
3006 	if (ea->rc) {
3007 		/* cable is disconnected */
3008 		list_for_each_entry_safe(fcport, t, &vha->vp_fcports, list) {
3009 			if (fcport->d_id.b24 == ea->id.b24)
3010 				fcport->scan_state = QLA_FCPORT_SCAN;
3011 
3012 			qlt_schedule_sess_for_deletion(fcport);
3013 		}
3014 	} else {
3015 		/* cable is connected */
3016 		fcport = qla2x00_find_fcport_by_wwpn(vha, ea->port_name, 1);
3017 		if (fcport) {
3018 			list_for_each_entry_safe(conflict, t, &vha->vp_fcports,
3019 			    list) {
3020 				if ((conflict->d_id.b24 == ea->id.b24) &&
3021 				    (fcport != conflict))
3022 					/*
3023 					 * 2 fcports with conflict Nport ID or
3024 					 * an existing fcport is having nport ID
3025 					 * conflict with new fcport.
3026 					 */
3027 
3028 					conflict->scan_state = QLA_FCPORT_SCAN;
3029 
3030 				qlt_schedule_sess_for_deletion(conflict);
3031 			}
3032 
3033 			fcport->scan_needed = 0;
3034 			fcport->rscn_gen++;
3035 			fcport->scan_state = QLA_FCPORT_FOUND;
3036 			fcport->flags |= FCF_FABRIC_DEVICE;
3037 			if (fcport->login_retry == 0) {
3038 				fcport->login_retry =
3039 					vha->hw->login_retry_count;
3040 				ql_dbg(ql_dbg_disc, vha, 0xffff,
3041 				    "Port login retry %8phN, lid 0x%04x cnt=%d.\n",
3042 				    fcport->port_name, fcport->loop_id,
3043 				    fcport->login_retry);
3044 			}
3045 			switch (fcport->disc_state) {
3046 			case DSC_LOGIN_COMPLETE:
3047 				/* recheck session is still intact. */
3048 				ql_dbg(ql_dbg_disc, vha, 0x210d,
3049 				    "%s %d %8phC revalidate session with ADISC\n",
3050 				    __func__, __LINE__, fcport->port_name);
3051 				data[0] = data[1] = 0;
3052 				qla2x00_post_async_adisc_work(vha, fcport,
3053 				    data);
3054 				break;
3055 			case DSC_DELETED:
3056 				ql_dbg(ql_dbg_disc, vha, 0x210d,
3057 				    "%s %d %8phC login\n", __func__, __LINE__,
3058 				    fcport->port_name);
3059 				fcport->d_id = ea->id;
3060 				qla24xx_fcport_handle_login(vha, fcport);
3061 				break;
3062 			case DSC_DELETE_PEND:
3063 				fcport->d_id = ea->id;
3064 				break;
3065 			default:
3066 				fcport->d_id = ea->id;
3067 				break;
3068 			}
3069 		} else {
3070 			list_for_each_entry_safe(conflict, t, &vha->vp_fcports,
3071 			    list) {
3072 				if (conflict->d_id.b24 == ea->id.b24) {
3073 					/* 2 fcports with conflict Nport ID or
3074 					 * an existing fcport is having nport ID
3075 					 * conflict with new fcport.
3076 					 */
3077 					ql_dbg(ql_dbg_disc, vha, 0xffff,
3078 					    "%s %d %8phC DS %d\n",
3079 					    __func__, __LINE__,
3080 					    conflict->port_name,
3081 					    conflict->disc_state);
3082 
3083 					conflict->scan_state = QLA_FCPORT_SCAN;
3084 					qlt_schedule_sess_for_deletion(conflict);
3085 				}
3086 			}
3087 
3088 			/* create new fcport */
3089 			ql_dbg(ql_dbg_disc, vha, 0x2065,
3090 			    "%s %d %8phC post new sess\n",
3091 			    __func__, __LINE__, ea->port_name);
3092 			qla24xx_post_newsess_work(vha, &ea->id,
3093 			    ea->port_name, NULL, NULL, 0);
3094 		}
3095 	}
3096 }
3097 
3098 static void qla2x00_async_gpnid_sp_done(srb_t *sp, int res)
3099 {
3100 	struct scsi_qla_host *vha = sp->vha;
3101 	struct ct_sns_req *ct_req =
3102 	    (struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
3103 	struct ct_sns_rsp *ct_rsp =
3104 	    (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp;
3105 	struct event_arg ea;
3106 	struct qla_work_evt *e;
3107 	unsigned long flags;
3108 
3109 	if (res)
3110 		ql_dbg(ql_dbg_disc, vha, 0x2066,
3111 		    "Async done-%s fail res %x rscn gen %d ID %3phC. %8phC\n",
3112 		    sp->name, res, sp->gen1, &ct_req->req.port_id.port_id,
3113 		    ct_rsp->rsp.gpn_id.port_name);
3114 	else
3115 		ql_dbg(ql_dbg_disc, vha, 0x2066,
3116 		    "Async done-%s good rscn gen %d ID %3phC. %8phC\n",
3117 		    sp->name, sp->gen1, &ct_req->req.port_id.port_id,
3118 		    ct_rsp->rsp.gpn_id.port_name);
3119 
3120 	memset(&ea, 0, sizeof(ea));
3121 	memcpy(ea.port_name, ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
3122 	ea.sp = sp;
3123 	ea.id = be_to_port_id(ct_req->req.port_id.port_id);
3124 	ea.rc = res;
3125 
3126 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
3127 	list_del(&sp->elem);
3128 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
3129 
3130 	if (res) {
3131 		if (res == QLA_FUNCTION_TIMEOUT) {
3132 			qla24xx_post_gpnid_work(sp->vha, &ea.id);
3133 			sp->free(sp);
3134 			return;
3135 		}
3136 	} else if (sp->gen1) {
3137 		/* There was another RSCN for this Nport ID */
3138 		qla24xx_post_gpnid_work(sp->vha, &ea.id);
3139 		sp->free(sp);
3140 		return;
3141 	}
3142 
3143 	qla24xx_handle_gpnid_event(vha, &ea);
3144 
3145 	e = qla2x00_alloc_work(vha, QLA_EVT_UNMAP);
3146 	if (!e) {
3147 		/* please ignore kernel warning. otherwise, we have mem leak. */
3148 		dma_free_coherent(&vha->hw->pdev->dev,
3149 				  sp->u.iocb_cmd.u.ctarg.req_allocated_size,
3150 				  sp->u.iocb_cmd.u.ctarg.req,
3151 				  sp->u.iocb_cmd.u.ctarg.req_dma);
3152 		sp->u.iocb_cmd.u.ctarg.req = NULL;
3153 
3154 		dma_free_coherent(&vha->hw->pdev->dev,
3155 				  sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
3156 				  sp->u.iocb_cmd.u.ctarg.rsp,
3157 				  sp->u.iocb_cmd.u.ctarg.rsp_dma);
3158 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
3159 
3160 		sp->free(sp);
3161 		return;
3162 	}
3163 
3164 	e->u.iosb.sp = sp;
3165 	qla2x00_post_work(vha, e);
3166 }
3167 
3168 /* Get WWPN with Nport ID. */
3169 int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id)
3170 {
3171 	int rval = QLA_FUNCTION_FAILED;
3172 	struct ct_sns_req       *ct_req;
3173 	srb_t *sp, *tsp;
3174 	struct ct_sns_pkt *ct_sns;
3175 	unsigned long flags;
3176 
3177 	if (!vha->flags.online)
3178 		goto done;
3179 
3180 	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
3181 	if (!sp)
3182 		goto done;
3183 
3184 	sp->type = SRB_CT_PTHRU_CMD;
3185 	sp->name = "gpnid";
3186 	sp->u.iocb_cmd.u.ctarg.id = *id;
3187 	sp->gen1 = 0;
3188 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
3189 
3190 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
3191 	list_for_each_entry(tsp, &vha->gpnid_list, elem) {
3192 		if (tsp->u.iocb_cmd.u.ctarg.id.b24 == id->b24) {
3193 			tsp->gen1++;
3194 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
3195 			sp->free(sp);
3196 			goto done;
3197 		}
3198 	}
3199 	list_add_tail(&sp->elem, &vha->gpnid_list);
3200 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
3201 
3202 	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
3203 		sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
3204 		GFP_KERNEL);
3205 	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
3206 	if (!sp->u.iocb_cmd.u.ctarg.req) {
3207 		ql_log(ql_log_warn, vha, 0xd041,
3208 		    "Failed to allocate ct_sns request.\n");
3209 		goto done_free_sp;
3210 	}
3211 
3212 	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
3213 		sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
3214 		GFP_KERNEL);
3215 	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
3216 	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
3217 		ql_log(ql_log_warn, vha, 0xd042,
3218 		    "Failed to allocate ct_sns request.\n");
3219 		goto done_free_sp;
3220 	}
3221 
3222 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
3223 	memset(ct_sns, 0, sizeof(*ct_sns));
3224 
3225 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
3226 	/* CT_IU preamble  */
3227 	ct_req = qla2x00_prep_ct_req(ct_sns, GPN_ID_CMD, GPN_ID_RSP_SIZE);
3228 
3229 	/* GPN_ID req */
3230 	ct_req->req.port_id.port_id = port_id_to_be_id(*id);
3231 
3232 	sp->u.iocb_cmd.u.ctarg.req_size = GPN_ID_REQ_SIZE;
3233 	sp->u.iocb_cmd.u.ctarg.rsp_size = GPN_ID_RSP_SIZE;
3234 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
3235 
3236 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
3237 	sp->done = qla2x00_async_gpnid_sp_done;
3238 
3239 	ql_dbg(ql_dbg_disc, vha, 0x2067,
3240 	    "Async-%s hdl=%x ID %3phC.\n", sp->name,
3241 	    sp->handle, &ct_req->req.port_id.port_id);
3242 
3243 	rval = qla2x00_start_sp(sp);
3244 	if (rval != QLA_SUCCESS)
3245 		goto done_free_sp;
3246 
3247 	return rval;
3248 
3249 done_free_sp:
3250 	spin_lock_irqsave(&vha->hw->vport_slock, flags);
3251 	list_del(&sp->elem);
3252 	spin_unlock_irqrestore(&vha->hw->vport_slock, flags);
3253 
3254 	if (sp->u.iocb_cmd.u.ctarg.req) {
3255 		dma_free_coherent(&vha->hw->pdev->dev,
3256 			sizeof(struct ct_sns_pkt),
3257 			sp->u.iocb_cmd.u.ctarg.req,
3258 			sp->u.iocb_cmd.u.ctarg.req_dma);
3259 		sp->u.iocb_cmd.u.ctarg.req = NULL;
3260 	}
3261 	if (sp->u.iocb_cmd.u.ctarg.rsp) {
3262 		dma_free_coherent(&vha->hw->pdev->dev,
3263 			sizeof(struct ct_sns_pkt),
3264 			sp->u.iocb_cmd.u.ctarg.rsp,
3265 			sp->u.iocb_cmd.u.ctarg.rsp_dma);
3266 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
3267 	}
3268 
3269 	sp->free(sp);
3270 done:
3271 	return rval;
3272 }
3273 
3274 void qla24xx_handle_gffid_event(scsi_qla_host_t *vha, struct event_arg *ea)
3275 {
3276 	fc_port_t *fcport = ea->fcport;
3277 
3278 	qla24xx_post_gnl_work(vha, fcport);
3279 }
3280 
3281 void qla24xx_async_gffid_sp_done(srb_t *sp, int res)
3282 {
3283 	struct scsi_qla_host *vha = sp->vha;
3284 	fc_port_t *fcport = sp->fcport;
3285 	struct ct_sns_rsp *ct_rsp;
3286 	struct event_arg ea;
3287 	uint8_t fc4_scsi_feat;
3288 	uint8_t fc4_nvme_feat;
3289 
3290 	ql_dbg(ql_dbg_disc, vha, 0x2133,
3291 	       "Async done-%s res %x ID %x. %8phC\n",
3292 	       sp->name, res, fcport->d_id.b24, fcport->port_name);
3293 
3294 	fcport->flags &= ~FCF_ASYNC_SENT;
3295 	ct_rsp = &fcport->ct_desc.ct_sns->p.rsp;
3296 	fc4_scsi_feat = ct_rsp->rsp.gff_id.fc4_features[GFF_FCP_SCSI_OFFSET];
3297 	fc4_nvme_feat = ct_rsp->rsp.gff_id.fc4_features[GFF_NVME_OFFSET];
3298 
3299 	/*
3300 	 * FC-GS-7, 5.2.3.12 FC-4 Features - format
3301 	 * The format of the FC-4 Features object, as defined by the FC-4,
3302 	 * Shall be an array of 4-bit values, one for each type code value
3303 	 */
3304 	if (!res) {
3305 		if (fc4_scsi_feat & 0xf) {
3306 			/* w1 b00:03 */
3307 			fcport->fc4_type = FS_FC4TYPE_FCP;
3308 			fcport->fc4_features = fc4_scsi_feat & 0xf;
3309 		}
3310 
3311 		if (fc4_nvme_feat & 0xf) {
3312 			/* w5 [00:03]/28h */
3313 			fcport->fc4_type |= FS_FC4TYPE_NVME;
3314 			fcport->fc4_features = fc4_nvme_feat & 0xf;
3315 		}
3316 	}
3317 
3318 	memset(&ea, 0, sizeof(ea));
3319 	ea.sp = sp;
3320 	ea.fcport = sp->fcport;
3321 	ea.rc = res;
3322 
3323 	qla24xx_handle_gffid_event(vha, &ea);
3324 	sp->free(sp);
3325 }
3326 
3327 /* Get FC4 Feature with Nport ID. */
3328 int qla24xx_async_gffid(scsi_qla_host_t *vha, fc_port_t *fcport)
3329 {
3330 	int rval = QLA_FUNCTION_FAILED;
3331 	struct ct_sns_req       *ct_req;
3332 	srb_t *sp;
3333 
3334 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
3335 		return rval;
3336 
3337 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
3338 	if (!sp)
3339 		return rval;
3340 
3341 	fcport->flags |= FCF_ASYNC_SENT;
3342 	sp->type = SRB_CT_PTHRU_CMD;
3343 	sp->name = "gffid";
3344 	sp->gen1 = fcport->rscn_gen;
3345 	sp->gen2 = fcport->login_gen;
3346 
3347 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
3348 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
3349 
3350 	/* CT_IU preamble  */
3351 	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GFF_ID_CMD,
3352 	    GFF_ID_RSP_SIZE);
3353 
3354 	ct_req->req.gff_id.port_id[0] = fcport->d_id.b.domain;
3355 	ct_req->req.gff_id.port_id[1] = fcport->d_id.b.area;
3356 	ct_req->req.gff_id.port_id[2] = fcport->d_id.b.al_pa;
3357 
3358 	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
3359 	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
3360 	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
3361 	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
3362 	sp->u.iocb_cmd.u.ctarg.req_size = GFF_ID_REQ_SIZE;
3363 	sp->u.iocb_cmd.u.ctarg.rsp_size = GFF_ID_RSP_SIZE;
3364 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
3365 
3366 	sp->done = qla24xx_async_gffid_sp_done;
3367 
3368 	ql_dbg(ql_dbg_disc, vha, 0x2132,
3369 	    "Async-%s hdl=%x  %8phC.\n", sp->name,
3370 	    sp->handle, fcport->port_name);
3371 
3372 	rval = qla2x00_start_sp(sp);
3373 	if (rval != QLA_SUCCESS)
3374 		goto done_free_sp;
3375 
3376 	return rval;
3377 done_free_sp:
3378 	sp->free(sp);
3379 	fcport->flags &= ~FCF_ASYNC_SENT;
3380 	return rval;
3381 }
3382 
3383 /* GPN_FT + GNN_FT*/
3384 static int qla2x00_is_a_vp(scsi_qla_host_t *vha, u64 wwn)
3385 {
3386 	struct qla_hw_data *ha = vha->hw;
3387 	scsi_qla_host_t *vp;
3388 	unsigned long flags;
3389 	u64 twwn;
3390 	int rc = 0;
3391 
3392 	if (!ha->num_vhosts)
3393 		return 0;
3394 
3395 	spin_lock_irqsave(&ha->vport_slock, flags);
3396 	list_for_each_entry(vp, &ha->vp_list, list) {
3397 		twwn = wwn_to_u64(vp->port_name);
3398 		if (wwn == twwn) {
3399 			rc = 1;
3400 			break;
3401 		}
3402 	}
3403 	spin_unlock_irqrestore(&ha->vport_slock, flags);
3404 
3405 	return rc;
3406 }
3407 
3408 void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp)
3409 {
3410 	fc_port_t *fcport;
3411 	u32 i, rc;
3412 	bool found;
3413 	struct fab_scan_rp *rp, *trp;
3414 	unsigned long flags;
3415 	u8 recheck = 0;
3416 	u16 dup = 0, dup_cnt = 0;
3417 
3418 	ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3419 	    "%s enter\n", __func__);
3420 
3421 	if (sp->gen1 != vha->hw->base_qpair->chip_reset) {
3422 		ql_dbg(ql_dbg_disc, vha, 0xffff,
3423 		    "%s scan stop due to chip reset %x/%x\n",
3424 		    sp->name, sp->gen1, vha->hw->base_qpair->chip_reset);
3425 		goto out;
3426 	}
3427 
3428 	rc = sp->rc;
3429 	if (rc) {
3430 		vha->scan.scan_retry++;
3431 		if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
3432 			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3433 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3434 			goto out;
3435 		} else {
3436 			ql_dbg(ql_dbg_disc, vha, 0xffff,
3437 			    "%s: Fabric scan failed for %d retries.\n",
3438 			    __func__, vha->scan.scan_retry);
3439 			/*
3440 			 * Unable to scan any rports. logout loop below
3441 			 * will unregister all sessions.
3442 			 */
3443 			list_for_each_entry(fcport, &vha->vp_fcports, list) {
3444 				if ((fcport->flags & FCF_FABRIC_DEVICE) != 0) {
3445 					fcport->scan_state = QLA_FCPORT_SCAN;
3446 				}
3447 			}
3448 			goto login_logout;
3449 		}
3450 	}
3451 	vha->scan.scan_retry = 0;
3452 
3453 	list_for_each_entry(fcport, &vha->vp_fcports, list)
3454 		fcport->scan_state = QLA_FCPORT_SCAN;
3455 
3456 	for (i = 0; i < vha->hw->max_fibre_devices; i++) {
3457 		u64 wwn;
3458 		int k;
3459 
3460 		rp = &vha->scan.l[i];
3461 		found = false;
3462 
3463 		wwn = wwn_to_u64(rp->port_name);
3464 		if (wwn == 0)
3465 			continue;
3466 
3467 		/* Remove duplicate NPORT ID entries from switch data base */
3468 		for (k = i + 1; k < vha->hw->max_fibre_devices; k++) {
3469 			trp = &vha->scan.l[k];
3470 			if (rp->id.b24 == trp->id.b24) {
3471 				dup = 1;
3472 				dup_cnt++;
3473 				ql_dbg(ql_dbg_disc + ql_dbg_verbose,
3474 				    vha, 0xffff,
3475 				    "Detected duplicate NPORT ID from switch data base: ID %06x WWN %8phN WWN %8phN\n",
3476 				    rp->id.b24, rp->port_name, trp->port_name);
3477 				memset(trp, 0, sizeof(*trp));
3478 			}
3479 		}
3480 
3481 		if (!memcmp(rp->port_name, vha->port_name, WWN_SIZE))
3482 			continue;
3483 
3484 		/* Bypass reserved domain fields. */
3485 		if ((rp->id.b.domain & 0xf0) == 0xf0)
3486 			continue;
3487 
3488 		/* Bypass virtual ports of the same host. */
3489 		if (qla2x00_is_a_vp(vha, wwn))
3490 			continue;
3491 
3492 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3493 			if (memcmp(rp->port_name, fcport->port_name, WWN_SIZE))
3494 				continue;
3495 			fcport->scan_state = QLA_FCPORT_FOUND;
3496 			fcport->last_rscn_gen = fcport->rscn_gen;
3497 			found = true;
3498 			/*
3499 			 * If device was not a fabric device before.
3500 			 */
3501 			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3502 				qla2x00_clear_loop_id(fcport);
3503 				fcport->flags |= FCF_FABRIC_DEVICE;
3504 			} else if (fcport->d_id.b24 != rp->id.b24 ||
3505 				   (fcport->scan_needed &&
3506 				    fcport->port_type != FCT_INITIATOR &&
3507 				    fcport->port_type != FCT_NVME_INITIATOR)) {
3508 				qlt_schedule_sess_for_deletion(fcport);
3509 			}
3510 			fcport->d_id.b24 = rp->id.b24;
3511 			fcport->scan_needed = 0;
3512 			break;
3513 		}
3514 
3515 		if (!found) {
3516 			ql_dbg(ql_dbg_disc, vha, 0xffff,
3517 			    "%s %d %8phC post new sess\n",
3518 			    __func__, __LINE__, rp->port_name);
3519 			qla24xx_post_newsess_work(vha, &rp->id, rp->port_name,
3520 			    rp->node_name, NULL, rp->fc4type);
3521 		}
3522 	}
3523 
3524 	if (dup) {
3525 		ql_log(ql_log_warn, vha, 0xffff,
3526 		    "Detected %d duplicate NPORT ID(s) from switch data base\n",
3527 		    dup_cnt);
3528 	}
3529 
3530 login_logout:
3531 	/*
3532 	 * Logout all previous fabric dev marked lost, except FCP2 devices.
3533 	 */
3534 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3535 		if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3536 			fcport->scan_needed = 0;
3537 			continue;
3538 		}
3539 
3540 		if (fcport->scan_state != QLA_FCPORT_FOUND) {
3541 			bool do_delete = false;
3542 
3543 			if (fcport->scan_needed &&
3544 			    fcport->disc_state == DSC_LOGIN_PEND) {
3545 				/* Cable got disconnected after we sent
3546 				 * a login. Do delete to prevent timeout.
3547 				 */
3548 				fcport->logout_on_delete = 1;
3549 				do_delete = true;
3550 			}
3551 
3552 			fcport->scan_needed = 0;
3553 			if (((qla_dual_mode_enabled(vha) ||
3554 			      qla_ini_mode_enabled(vha)) &&
3555 			    atomic_read(&fcport->state) == FCS_ONLINE) ||
3556 				do_delete) {
3557 				if (fcport->loop_id != FC_NO_LOOP_ID) {
3558 					if (fcport->flags & FCF_FCP2_DEVICE)
3559 						fcport->logout_on_delete = 0;
3560 
3561 					ql_dbg(ql_dbg_disc, vha, 0x20f0,
3562 					    "%s %d %8phC post del sess\n",
3563 					    __func__, __LINE__,
3564 					    fcport->port_name);
3565 
3566 					qlt_schedule_sess_for_deletion(fcport);
3567 					continue;
3568 				}
3569 			}
3570 		} else {
3571 			if (fcport->scan_needed ||
3572 			    fcport->disc_state != DSC_LOGIN_COMPLETE) {
3573 				if (fcport->login_retry == 0) {
3574 					fcport->login_retry =
3575 						vha->hw->login_retry_count;
3576 					ql_dbg(ql_dbg_disc, vha, 0x20a3,
3577 					    "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n",
3578 					    fcport->port_name, fcport->loop_id,
3579 					    fcport->login_retry);
3580 				}
3581 				fcport->scan_needed = 0;
3582 				qla24xx_fcport_handle_login(vha, fcport);
3583 			}
3584 		}
3585 	}
3586 
3587 	recheck = 1;
3588 out:
3589 	qla24xx_sp_unmap(vha, sp);
3590 	spin_lock_irqsave(&vha->work_lock, flags);
3591 	vha->scan.scan_flags &= ~SF_SCANNING;
3592 	spin_unlock_irqrestore(&vha->work_lock, flags);
3593 
3594 	if (recheck) {
3595 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3596 			if (fcport->scan_needed) {
3597 				set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3598 				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3599 				break;
3600 			}
3601 		}
3602 	}
3603 }
3604 
3605 static int qla2x00_post_gnnft_gpnft_done_work(struct scsi_qla_host *vha,
3606     srb_t *sp, int cmd)
3607 {
3608 	struct qla_work_evt *e;
3609 
3610 	if (cmd != QLA_EVT_GPNFT_DONE && cmd != QLA_EVT_GNNFT_DONE)
3611 		return QLA_PARAMETER_ERROR;
3612 
3613 	e = qla2x00_alloc_work(vha, cmd);
3614 	if (!e)
3615 		return QLA_FUNCTION_FAILED;
3616 
3617 	e->u.iosb.sp = sp;
3618 
3619 	return qla2x00_post_work(vha, e);
3620 }
3621 
3622 static int qla2x00_post_nvme_gpnft_work(struct scsi_qla_host *vha,
3623     srb_t *sp, int cmd)
3624 {
3625 	struct qla_work_evt *e;
3626 
3627 	if (cmd != QLA_EVT_GPNFT)
3628 		return QLA_PARAMETER_ERROR;
3629 
3630 	e = qla2x00_alloc_work(vha, cmd);
3631 	if (!e)
3632 		return QLA_FUNCTION_FAILED;
3633 
3634 	e->u.gpnft.fc4_type = FC4_TYPE_NVME;
3635 	e->u.gpnft.sp = sp;
3636 
3637 	return qla2x00_post_work(vha, e);
3638 }
3639 
3640 static void qla2x00_find_free_fcp_nvme_slot(struct scsi_qla_host *vha,
3641 	struct srb *sp)
3642 {
3643 	struct qla_hw_data *ha = vha->hw;
3644 	int num_fibre_dev = ha->max_fibre_devices;
3645 	struct ct_sns_req *ct_req =
3646 		(struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
3647 	struct ct_sns_gpnft_rsp *ct_rsp =
3648 		(struct ct_sns_gpnft_rsp *)sp->u.iocb_cmd.u.ctarg.rsp;
3649 	struct ct_sns_gpn_ft_data *d;
3650 	struct fab_scan_rp *rp;
3651 	u16 cmd = be16_to_cpu(ct_req->command);
3652 	u8 fc4_type = sp->gen2;
3653 	int i, j, k;
3654 	port_id_t id;
3655 	u8 found;
3656 	u64 wwn;
3657 
3658 	j = 0;
3659 	for (i = 0; i < num_fibre_dev; i++) {
3660 		d  = &ct_rsp->entries[i];
3661 
3662 		id.b.rsvd_1 = 0;
3663 		id.b.domain = d->port_id[0];
3664 		id.b.area   = d->port_id[1];
3665 		id.b.al_pa  = d->port_id[2];
3666 		wwn = wwn_to_u64(d->port_name);
3667 
3668 		if (id.b24 == 0 || wwn == 0)
3669 			continue;
3670 
3671 		if (fc4_type == FC4_TYPE_FCP_SCSI) {
3672 			if (cmd == GPN_FT_CMD) {
3673 				rp = &vha->scan.l[j];
3674 				rp->id = id;
3675 				memcpy(rp->port_name, d->port_name, 8);
3676 				j++;
3677 				rp->fc4type = FS_FC4TYPE_FCP;
3678 			} else {
3679 				for (k = 0; k < num_fibre_dev; k++) {
3680 					rp = &vha->scan.l[k];
3681 					if (id.b24 == rp->id.b24) {
3682 						memcpy(rp->node_name,
3683 						    d->port_name, 8);
3684 						break;
3685 					}
3686 				}
3687 			}
3688 		} else {
3689 			/* Search if the fibre device supports FC4_TYPE_NVME */
3690 			if (cmd == GPN_FT_CMD) {
3691 				found = 0;
3692 
3693 				for (k = 0; k < num_fibre_dev; k++) {
3694 					rp = &vha->scan.l[k];
3695 					if (!memcmp(rp->port_name,
3696 					    d->port_name, 8)) {
3697 						/*
3698 						 * Supports FC-NVMe & FCP
3699 						 */
3700 						rp->fc4type |= FS_FC4TYPE_NVME;
3701 						found = 1;
3702 						break;
3703 					}
3704 				}
3705 
3706 				/* We found new FC-NVMe only port */
3707 				if (!found) {
3708 					for (k = 0; k < num_fibre_dev; k++) {
3709 						rp = &vha->scan.l[k];
3710 						if (wwn_to_u64(rp->port_name)) {
3711 							continue;
3712 						} else {
3713 							rp->id = id;
3714 							memcpy(rp->port_name,
3715 							    d->port_name, 8);
3716 							rp->fc4type =
3717 							    FS_FC4TYPE_NVME;
3718 							break;
3719 						}
3720 					}
3721 				}
3722 			} else {
3723 				for (k = 0; k < num_fibre_dev; k++) {
3724 					rp = &vha->scan.l[k];
3725 					if (id.b24 == rp->id.b24) {
3726 						memcpy(rp->node_name,
3727 						    d->port_name, 8);
3728 						break;
3729 					}
3730 				}
3731 			}
3732 		}
3733 	}
3734 }
3735 
3736 static void qla2x00_async_gpnft_gnnft_sp_done(srb_t *sp, int res)
3737 {
3738 	struct scsi_qla_host *vha = sp->vha;
3739 	struct ct_sns_req *ct_req =
3740 		(struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req;
3741 	u16 cmd = be16_to_cpu(ct_req->command);
3742 	u8 fc4_type = sp->gen2;
3743 	unsigned long flags;
3744 	int rc;
3745 
3746 	/* gen2 field is holding the fc4type */
3747 	ql_dbg(ql_dbg_disc, vha, 0xffff,
3748 	    "Async done-%s res %x FC4Type %x\n",
3749 	    sp->name, res, sp->gen2);
3750 
3751 	del_timer(&sp->u.iocb_cmd.timer);
3752 	sp->rc = res;
3753 	if (res) {
3754 		unsigned long flags;
3755 		const char *name = sp->name;
3756 
3757 		if (res == QLA_OS_TIMER_EXPIRED) {
3758 			/* switch is ignoring all commands.
3759 			 * This might be a zone disable behavior.
3760 			 * This means we hit 64s timeout.
3761 			 * 22s GPNFT + 44s Abort = 64s
3762 			 */
3763 			ql_dbg(ql_dbg_disc, vha, 0xffff,
3764 			       "%s: Switch Zone check please .\n",
3765 			       name);
3766 			qla2x00_mark_all_devices_lost(vha);
3767 		}
3768 
3769 		/*
3770 		 * We are in an Interrupt context, queue up this
3771 		 * sp for GNNFT_DONE work. This will allow all
3772 		 * the resource to get freed up.
3773 		 */
3774 		rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
3775 		    QLA_EVT_GNNFT_DONE);
3776 		if (rc) {
3777 			/* Cleanup here to prevent memory leak */
3778 			qla24xx_sp_unmap(vha, sp);
3779 
3780 			spin_lock_irqsave(&vha->work_lock, flags);
3781 			vha->scan.scan_flags &= ~SF_SCANNING;
3782 			vha->scan.scan_retry++;
3783 			spin_unlock_irqrestore(&vha->work_lock, flags);
3784 
3785 			if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
3786 				set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3787 				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3788 				qla2xxx_wake_dpc(vha);
3789 			} else {
3790 				ql_dbg(ql_dbg_disc, vha, 0xffff,
3791 				    "Async done-%s rescan failed on all retries.\n",
3792 				    name);
3793 			}
3794 		}
3795 		return;
3796 	}
3797 
3798 	qla2x00_find_free_fcp_nvme_slot(vha, sp);
3799 
3800 	if ((fc4_type == FC4_TYPE_FCP_SCSI) && vha->flags.nvme_enabled &&
3801 	    cmd == GNN_FT_CMD) {
3802 		spin_lock_irqsave(&vha->work_lock, flags);
3803 		vha->scan.scan_flags &= ~SF_SCANNING;
3804 		spin_unlock_irqrestore(&vha->work_lock, flags);
3805 
3806 		sp->rc = res;
3807 		rc = qla2x00_post_nvme_gpnft_work(vha, sp, QLA_EVT_GPNFT);
3808 		if (rc) {
3809 			qla24xx_sp_unmap(vha, sp);
3810 			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3811 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3812 		}
3813 		return;
3814 	}
3815 
3816 	if (cmd == GPN_FT_CMD) {
3817 		rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
3818 		    QLA_EVT_GPNFT_DONE);
3819 	} else {
3820 		rc = qla2x00_post_gnnft_gpnft_done_work(vha, sp,
3821 		    QLA_EVT_GNNFT_DONE);
3822 	}
3823 
3824 	if (rc) {
3825 		qla24xx_sp_unmap(vha, sp);
3826 		set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3827 		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3828 		return;
3829 	}
3830 }
3831 
3832 /*
3833  * Get WWNN list for fc4_type
3834  *
3835  * It is assumed the same SRB is re-used from GPNFT to avoid
3836  * mem free & re-alloc
3837  */
3838 static int qla24xx_async_gnnft(scsi_qla_host_t *vha, struct srb *sp,
3839     u8 fc4_type)
3840 {
3841 	int rval = QLA_FUNCTION_FAILED;
3842 	struct ct_sns_req *ct_req;
3843 	struct ct_sns_pkt *ct_sns;
3844 	unsigned long flags;
3845 
3846 	if (!vha->flags.online) {
3847 		spin_lock_irqsave(&vha->work_lock, flags);
3848 		vha->scan.scan_flags &= ~SF_SCANNING;
3849 		spin_unlock_irqrestore(&vha->work_lock, flags);
3850 		goto done_free_sp;
3851 	}
3852 
3853 	if (!sp->u.iocb_cmd.u.ctarg.req || !sp->u.iocb_cmd.u.ctarg.rsp) {
3854 		ql_log(ql_log_warn, vha, 0xffff,
3855 		    "%s: req %p rsp %p are not setup\n",
3856 		    __func__, sp->u.iocb_cmd.u.ctarg.req,
3857 		    sp->u.iocb_cmd.u.ctarg.rsp);
3858 		spin_lock_irqsave(&vha->work_lock, flags);
3859 		vha->scan.scan_flags &= ~SF_SCANNING;
3860 		spin_unlock_irqrestore(&vha->work_lock, flags);
3861 		WARN_ON(1);
3862 		set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3863 		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3864 		goto done_free_sp;
3865 	}
3866 
3867 	ql_dbg(ql_dbg_disc, vha, 0xfffff,
3868 	    "%s: FC4Type %x, CT-PASSTHRU %s command ctarg rsp size %d, ctarg req size %d\n",
3869 	    __func__, fc4_type, sp->name, sp->u.iocb_cmd.u.ctarg.rsp_size,
3870 	     sp->u.iocb_cmd.u.ctarg.req_size);
3871 
3872 	sp->type = SRB_CT_PTHRU_CMD;
3873 	sp->name = "gnnft";
3874 	sp->gen1 = vha->hw->base_qpair->chip_reset;
3875 	sp->gen2 = fc4_type;
3876 
3877 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
3878 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
3879 
3880 	memset(sp->u.iocb_cmd.u.ctarg.rsp, 0, sp->u.iocb_cmd.u.ctarg.rsp_size);
3881 	memset(sp->u.iocb_cmd.u.ctarg.req, 0, sp->u.iocb_cmd.u.ctarg.req_size);
3882 
3883 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
3884 	/* CT_IU preamble  */
3885 	ct_req = qla2x00_prep_ct_req(ct_sns, GNN_FT_CMD,
3886 	    sp->u.iocb_cmd.u.ctarg.rsp_size);
3887 
3888 	/* GPN_FT req */
3889 	ct_req->req.gpn_ft.port_type = fc4_type;
3890 
3891 	sp->u.iocb_cmd.u.ctarg.req_size = GNN_FT_REQ_SIZE;
3892 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
3893 
3894 	sp->done = qla2x00_async_gpnft_gnnft_sp_done;
3895 
3896 	ql_dbg(ql_dbg_disc, vha, 0xffff,
3897 	    "Async-%s hdl=%x FC4Type %x.\n", sp->name,
3898 	    sp->handle, ct_req->req.gpn_ft.port_type);
3899 
3900 	rval = qla2x00_start_sp(sp);
3901 	if (rval != QLA_SUCCESS) {
3902 		goto done_free_sp;
3903 	}
3904 
3905 	return rval;
3906 
3907 done_free_sp:
3908 	if (sp->u.iocb_cmd.u.ctarg.req) {
3909 		dma_free_coherent(&vha->hw->pdev->dev,
3910 		    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
3911 		    sp->u.iocb_cmd.u.ctarg.req,
3912 		    sp->u.iocb_cmd.u.ctarg.req_dma);
3913 		sp->u.iocb_cmd.u.ctarg.req = NULL;
3914 	}
3915 	if (sp->u.iocb_cmd.u.ctarg.rsp) {
3916 		dma_free_coherent(&vha->hw->pdev->dev,
3917 		    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
3918 		    sp->u.iocb_cmd.u.ctarg.rsp,
3919 		    sp->u.iocb_cmd.u.ctarg.rsp_dma);
3920 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
3921 	}
3922 
3923 	sp->free(sp);
3924 
3925 	spin_lock_irqsave(&vha->work_lock, flags);
3926 	vha->scan.scan_flags &= ~SF_SCANNING;
3927 	if (vha->scan.scan_flags == 0) {
3928 		ql_dbg(ql_dbg_disc, vha, 0xffff,
3929 		    "%s: schedule\n", __func__);
3930 		vha->scan.scan_flags |= SF_QUEUED;
3931 		schedule_delayed_work(&vha->scan.scan_work, 5);
3932 	}
3933 	spin_unlock_irqrestore(&vha->work_lock, flags);
3934 
3935 
3936 	return rval;
3937 } /* GNNFT */
3938 
3939 void qla24xx_async_gpnft_done(scsi_qla_host_t *vha, srb_t *sp)
3940 {
3941 	ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3942 	    "%s enter\n", __func__);
3943 	qla24xx_async_gnnft(vha, sp, sp->gen2);
3944 }
3945 
3946 /* Get WWPN list for certain fc4_type */
3947 int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp)
3948 {
3949 	int rval = QLA_FUNCTION_FAILED;
3950 	struct ct_sns_req       *ct_req;
3951 	struct ct_sns_pkt *ct_sns;
3952 	u32 rspsz;
3953 	unsigned long flags;
3954 
3955 	ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3956 	    "%s enter\n", __func__);
3957 
3958 	if (!vha->flags.online)
3959 		return rval;
3960 
3961 	spin_lock_irqsave(&vha->work_lock, flags);
3962 	if (vha->scan.scan_flags & SF_SCANNING) {
3963 		spin_unlock_irqrestore(&vha->work_lock, flags);
3964 		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3965 		    "%s: scan active\n", __func__);
3966 		return rval;
3967 	}
3968 	vha->scan.scan_flags |= SF_SCANNING;
3969 	spin_unlock_irqrestore(&vha->work_lock, flags);
3970 
3971 	if (fc4_type == FC4_TYPE_FCP_SCSI) {
3972 		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3973 		    "%s: Performing FCP Scan\n", __func__);
3974 
3975 		if (sp)
3976 			sp->free(sp); /* should not happen */
3977 
3978 		sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
3979 		if (!sp) {
3980 			spin_lock_irqsave(&vha->work_lock, flags);
3981 			vha->scan.scan_flags &= ~SF_SCANNING;
3982 			spin_unlock_irqrestore(&vha->work_lock, flags);
3983 			return rval;
3984 		}
3985 
3986 		sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
3987 								sizeof(struct ct_sns_pkt),
3988 								&sp->u.iocb_cmd.u.ctarg.req_dma,
3989 								GFP_KERNEL);
3990 		sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
3991 		if (!sp->u.iocb_cmd.u.ctarg.req) {
3992 			ql_log(ql_log_warn, vha, 0xffff,
3993 			    "Failed to allocate ct_sns request.\n");
3994 			spin_lock_irqsave(&vha->work_lock, flags);
3995 			vha->scan.scan_flags &= ~SF_SCANNING;
3996 			spin_unlock_irqrestore(&vha->work_lock, flags);
3997 			qla2x00_rel_sp(sp);
3998 			return rval;
3999 		}
4000 		sp->u.iocb_cmd.u.ctarg.req_size = GPN_FT_REQ_SIZE;
4001 
4002 		rspsz = sizeof(struct ct_sns_gpnft_rsp) +
4003 			((vha->hw->max_fibre_devices - 1) *
4004 			    sizeof(struct ct_sns_gpn_ft_data));
4005 
4006 		sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
4007 								rspsz,
4008 								&sp->u.iocb_cmd.u.ctarg.rsp_dma,
4009 								GFP_KERNEL);
4010 		sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = rspsz;
4011 		if (!sp->u.iocb_cmd.u.ctarg.rsp) {
4012 			ql_log(ql_log_warn, vha, 0xffff,
4013 			    "Failed to allocate ct_sns request.\n");
4014 			spin_lock_irqsave(&vha->work_lock, flags);
4015 			vha->scan.scan_flags &= ~SF_SCANNING;
4016 			spin_unlock_irqrestore(&vha->work_lock, flags);
4017 			dma_free_coherent(&vha->hw->pdev->dev,
4018 			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
4019 			    sp->u.iocb_cmd.u.ctarg.req,
4020 			    sp->u.iocb_cmd.u.ctarg.req_dma);
4021 			sp->u.iocb_cmd.u.ctarg.req = NULL;
4022 			qla2x00_rel_sp(sp);
4023 			return rval;
4024 		}
4025 		sp->u.iocb_cmd.u.ctarg.rsp_size = rspsz;
4026 
4027 		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
4028 		    "%s scan list size %d\n", __func__, vha->scan.size);
4029 
4030 		memset(vha->scan.l, 0, vha->scan.size);
4031 	} else if (!sp) {
4032 		ql_dbg(ql_dbg_disc, vha, 0xffff,
4033 		    "NVME scan did not provide SP\n");
4034 		return rval;
4035 	}
4036 
4037 	sp->type = SRB_CT_PTHRU_CMD;
4038 	sp->name = "gpnft";
4039 	sp->gen1 = vha->hw->base_qpair->chip_reset;
4040 	sp->gen2 = fc4_type;
4041 
4042 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
4043 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
4044 
4045 	rspsz = sp->u.iocb_cmd.u.ctarg.rsp_size;
4046 	memset(sp->u.iocb_cmd.u.ctarg.rsp, 0, sp->u.iocb_cmd.u.ctarg.rsp_size);
4047 	memset(sp->u.iocb_cmd.u.ctarg.req, 0, sp->u.iocb_cmd.u.ctarg.req_size);
4048 
4049 	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
4050 	/* CT_IU preamble  */
4051 	ct_req = qla2x00_prep_ct_req(ct_sns, GPN_FT_CMD, rspsz);
4052 
4053 	/* GPN_FT req */
4054 	ct_req->req.gpn_ft.port_type = fc4_type;
4055 
4056 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
4057 
4058 	sp->done = qla2x00_async_gpnft_gnnft_sp_done;
4059 
4060 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4061 	    "Async-%s hdl=%x FC4Type %x.\n", sp->name,
4062 	    sp->handle, ct_req->req.gpn_ft.port_type);
4063 
4064 	rval = qla2x00_start_sp(sp);
4065 	if (rval != QLA_SUCCESS) {
4066 		goto done_free_sp;
4067 	}
4068 
4069 	return rval;
4070 
4071 done_free_sp:
4072 	if (sp->u.iocb_cmd.u.ctarg.req) {
4073 		dma_free_coherent(&vha->hw->pdev->dev,
4074 		    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
4075 		    sp->u.iocb_cmd.u.ctarg.req,
4076 		    sp->u.iocb_cmd.u.ctarg.req_dma);
4077 		sp->u.iocb_cmd.u.ctarg.req = NULL;
4078 	}
4079 	if (sp->u.iocb_cmd.u.ctarg.rsp) {
4080 		dma_free_coherent(&vha->hw->pdev->dev,
4081 		    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
4082 		    sp->u.iocb_cmd.u.ctarg.rsp,
4083 		    sp->u.iocb_cmd.u.ctarg.rsp_dma);
4084 		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
4085 	}
4086 
4087 	sp->free(sp);
4088 
4089 	spin_lock_irqsave(&vha->work_lock, flags);
4090 	vha->scan.scan_flags &= ~SF_SCANNING;
4091 	if (vha->scan.scan_flags == 0) {
4092 		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
4093 		    "%s: Scan scheduled.\n", __func__);
4094 		vha->scan.scan_flags |= SF_QUEUED;
4095 		schedule_delayed_work(&vha->scan.scan_work, 5);
4096 	}
4097 	spin_unlock_irqrestore(&vha->work_lock, flags);
4098 
4099 
4100 	return rval;
4101 }
4102 
4103 void qla_scan_work_fn(struct work_struct *work)
4104 {
4105 	struct fab_scan *s = container_of(to_delayed_work(work),
4106 	    struct fab_scan, scan_work);
4107 	struct scsi_qla_host *vha = container_of(s, struct scsi_qla_host,
4108 	    scan);
4109 	unsigned long flags;
4110 
4111 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4112 	    "%s: schedule loop resync\n", __func__);
4113 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4114 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4115 	qla2xxx_wake_dpc(vha);
4116 	spin_lock_irqsave(&vha->work_lock, flags);
4117 	vha->scan.scan_flags &= ~SF_QUEUED;
4118 	spin_unlock_irqrestore(&vha->work_lock, flags);
4119 }
4120 
4121 /* GNN_ID */
4122 void qla24xx_handle_gnnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
4123 {
4124 	qla24xx_post_gnl_work(vha, ea->fcport);
4125 }
4126 
4127 static void qla2x00_async_gnnid_sp_done(srb_t *sp, int res)
4128 {
4129 	struct scsi_qla_host *vha = sp->vha;
4130 	fc_port_t *fcport = sp->fcport;
4131 	u8 *node_name = fcport->ct_desc.ct_sns->p.rsp.rsp.gnn_id.node_name;
4132 	struct event_arg ea;
4133 	u64 wwnn;
4134 
4135 	fcport->flags &= ~FCF_ASYNC_SENT;
4136 	wwnn = wwn_to_u64(node_name);
4137 	if (wwnn)
4138 		memcpy(fcport->node_name, node_name, WWN_SIZE);
4139 
4140 	memset(&ea, 0, sizeof(ea));
4141 	ea.fcport = fcport;
4142 	ea.sp = sp;
4143 	ea.rc = res;
4144 
4145 	ql_dbg(ql_dbg_disc, vha, 0x204f,
4146 	    "Async done-%s res %x, WWPN %8phC %8phC\n",
4147 	    sp->name, res, fcport->port_name, fcport->node_name);
4148 
4149 	qla24xx_handle_gnnid_event(vha, &ea);
4150 
4151 	sp->free(sp);
4152 }
4153 
4154 int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport)
4155 {
4156 	int rval = QLA_FUNCTION_FAILED;
4157 	struct ct_sns_req       *ct_req;
4158 	srb_t *sp;
4159 
4160 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
4161 		return rval;
4162 
4163 	qla2x00_set_fcport_disc_state(fcport, DSC_GNN_ID);
4164 	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
4165 	if (!sp)
4166 		goto done;
4167 
4168 	fcport->flags |= FCF_ASYNC_SENT;
4169 	sp->type = SRB_CT_PTHRU_CMD;
4170 	sp->name = "gnnid";
4171 	sp->gen1 = fcport->rscn_gen;
4172 	sp->gen2 = fcport->login_gen;
4173 
4174 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
4175 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
4176 
4177 	/* CT_IU preamble  */
4178 	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GNN_ID_CMD,
4179 	    GNN_ID_RSP_SIZE);
4180 
4181 	/* GNN_ID req */
4182 	ct_req->req.port_id.port_id = port_id_to_be_id(fcport->d_id);
4183 
4184 
4185 	/* req & rsp use the same buffer */
4186 	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
4187 	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
4188 	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
4189 	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
4190 	sp->u.iocb_cmd.u.ctarg.req_size = GNN_ID_REQ_SIZE;
4191 	sp->u.iocb_cmd.u.ctarg.rsp_size = GNN_ID_RSP_SIZE;
4192 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
4193 
4194 	sp->done = qla2x00_async_gnnid_sp_done;
4195 
4196 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4197 	    "Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n",
4198 	    sp->name, fcport->port_name,
4199 	    sp->handle, fcport->loop_id, fcport->d_id.b24);
4200 
4201 	rval = qla2x00_start_sp(sp);
4202 	if (rval != QLA_SUCCESS)
4203 		goto done_free_sp;
4204 	return rval;
4205 
4206 done_free_sp:
4207 	sp->free(sp);
4208 	fcport->flags &= ~FCF_ASYNC_SENT;
4209 done:
4210 	return rval;
4211 }
4212 
4213 int qla24xx_post_gnnid_work(struct scsi_qla_host *vha, fc_port_t *fcport)
4214 {
4215 	struct qla_work_evt *e;
4216 	int ls;
4217 
4218 	ls = atomic_read(&vha->loop_state);
4219 	if (((ls != LOOP_READY) && (ls != LOOP_UP)) ||
4220 		test_bit(UNLOADING, &vha->dpc_flags))
4221 		return 0;
4222 
4223 	e = qla2x00_alloc_work(vha, QLA_EVT_GNNID);
4224 	if (!e)
4225 		return QLA_FUNCTION_FAILED;
4226 
4227 	e->u.fcport.fcport = fcport;
4228 	return qla2x00_post_work(vha, e);
4229 }
4230 
4231 /* GPFN_ID */
4232 void qla24xx_handle_gfpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
4233 {
4234 	fc_port_t *fcport = ea->fcport;
4235 
4236 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4237 	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d fcpcnt %d\n",
4238 	    __func__, fcport->port_name, fcport->disc_state,
4239 	    fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
4240 	    fcport->rscn_gen, ea->sp->gen1, vha->fcport_count);
4241 
4242 	if (fcport->disc_state == DSC_DELETE_PEND)
4243 		return;
4244 
4245 	if (ea->sp->gen2 != fcport->login_gen) {
4246 		/* target side must have changed it. */
4247 		ql_dbg(ql_dbg_disc, vha, 0x20d3,
4248 		    "%s %8phC generation changed\n",
4249 		    __func__, fcport->port_name);
4250 		return;
4251 	} else if (ea->sp->gen1 != fcport->rscn_gen) {
4252 		return;
4253 	}
4254 
4255 	qla24xx_post_gpsc_work(vha, fcport);
4256 }
4257 
4258 static void qla2x00_async_gfpnid_sp_done(srb_t *sp, int res)
4259 {
4260 	struct scsi_qla_host *vha = sp->vha;
4261 	fc_port_t *fcport = sp->fcport;
4262 	u8 *fpn = fcport->ct_desc.ct_sns->p.rsp.rsp.gfpn_id.port_name;
4263 	struct event_arg ea;
4264 	u64 wwn;
4265 
4266 	wwn = wwn_to_u64(fpn);
4267 	if (wwn)
4268 		memcpy(fcport->fabric_port_name, fpn, WWN_SIZE);
4269 
4270 	memset(&ea, 0, sizeof(ea));
4271 	ea.fcport = fcport;
4272 	ea.sp = sp;
4273 	ea.rc = res;
4274 
4275 	ql_dbg(ql_dbg_disc, vha, 0x204f,
4276 	    "Async done-%s res %x, WWPN %8phC %8phC\n",
4277 	    sp->name, res, fcport->port_name, fcport->fabric_port_name);
4278 
4279 	qla24xx_handle_gfpnid_event(vha, &ea);
4280 
4281 	sp->free(sp);
4282 }
4283 
4284 int qla24xx_async_gfpnid(scsi_qla_host_t *vha, fc_port_t *fcport)
4285 {
4286 	int rval = QLA_FUNCTION_FAILED;
4287 	struct ct_sns_req       *ct_req;
4288 	srb_t *sp;
4289 
4290 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
4291 		return rval;
4292 
4293 	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
4294 	if (!sp)
4295 		goto done;
4296 
4297 	sp->type = SRB_CT_PTHRU_CMD;
4298 	sp->name = "gfpnid";
4299 	sp->gen1 = fcport->rscn_gen;
4300 	sp->gen2 = fcport->login_gen;
4301 
4302 	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
4303 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
4304 
4305 	/* CT_IU preamble  */
4306 	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GFPN_ID_CMD,
4307 	    GFPN_ID_RSP_SIZE);
4308 
4309 	/* GFPN_ID req */
4310 	ct_req->req.port_id.port_id = port_id_to_be_id(fcport->d_id);
4311 
4312 
4313 	/* req & rsp use the same buffer */
4314 	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
4315 	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
4316 	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
4317 	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
4318 	sp->u.iocb_cmd.u.ctarg.req_size = GFPN_ID_REQ_SIZE;
4319 	sp->u.iocb_cmd.u.ctarg.rsp_size = GFPN_ID_RSP_SIZE;
4320 	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
4321 
4322 	sp->done = qla2x00_async_gfpnid_sp_done;
4323 
4324 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4325 	    "Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n",
4326 	    sp->name, fcport->port_name,
4327 	    sp->handle, fcport->loop_id, fcport->d_id.b24);
4328 
4329 	rval = qla2x00_start_sp(sp);
4330 	if (rval != QLA_SUCCESS)
4331 		goto done_free_sp;
4332 
4333 	return rval;
4334 
4335 done_free_sp:
4336 	sp->free(sp);
4337 done:
4338 	return rval;
4339 }
4340 
4341 int qla24xx_post_gfpnid_work(struct scsi_qla_host *vha, fc_port_t *fcport)
4342 {
4343 	struct qla_work_evt *e;
4344 	int ls;
4345 
4346 	ls = atomic_read(&vha->loop_state);
4347 	if (((ls != LOOP_READY) && (ls != LOOP_UP)) ||
4348 		test_bit(UNLOADING, &vha->dpc_flags))
4349 		return 0;
4350 
4351 	e = qla2x00_alloc_work(vha, QLA_EVT_GFPNID);
4352 	if (!e)
4353 		return QLA_FUNCTION_FAILED;
4354 
4355 	e->u.fcport.fcport = fcport;
4356 	return qla2x00_post_work(vha, e);
4357 }
4358