xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_init.c (revision ba61bb17)
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_gbl.h"
9 
10 #include <linux/delay.h>
11 #include <linux/slab.h>
12 #include <linux/vmalloc.h>
13 
14 #include "qla_devtbl.h"
15 
16 #ifdef CONFIG_SPARC
17 #include <asm/prom.h>
18 #endif
19 
20 #include <target/target_core_base.h>
21 #include "qla_target.h"
22 
23 /*
24 *  QLogic ISP2x00 Hardware Support Function Prototypes.
25 */
26 static int qla2x00_isp_firmware(scsi_qla_host_t *);
27 static int qla2x00_setup_chip(scsi_qla_host_t *);
28 static int qla2x00_fw_ready(scsi_qla_host_t *);
29 static int qla2x00_configure_hba(scsi_qla_host_t *);
30 static int qla2x00_configure_loop(scsi_qla_host_t *);
31 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
32 static int qla2x00_configure_fabric(scsi_qla_host_t *);
33 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *);
34 static int qla2x00_restart_isp(scsi_qla_host_t *);
35 
36 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
37 static int qla84xx_init_chip(scsi_qla_host_t *);
38 static int qla25xx_init_queues(struct qla_hw_data *);
39 static int qla24xx_post_prli_work(struct scsi_qla_host*, fc_port_t *);
40 static void qla24xx_handle_plogi_done_event(struct scsi_qla_host *,
41     struct event_arg *);
42 static void qla24xx_handle_prli_done_event(struct scsi_qla_host *,
43     struct event_arg *);
44 static void __qla24xx_handle_gpdb_event(scsi_qla_host_t *, struct event_arg *);
45 
46 /* SRB Extensions ---------------------------------------------------------- */
47 
48 void
49 qla2x00_sp_timeout(struct timer_list *t)
50 {
51 	srb_t *sp = from_timer(sp, t, u.iocb_cmd.timer);
52 	struct srb_iocb *iocb;
53 	scsi_qla_host_t *vha = sp->vha;
54 	struct req_que *req;
55 	unsigned long flags;
56 
57 	spin_lock_irqsave(&vha->hw->hardware_lock, flags);
58 	req = vha->hw->req_q_map[0];
59 	req->outstanding_cmds[sp->handle] = NULL;
60 	iocb = &sp->u.iocb_cmd;
61 	iocb->timeout(sp);
62 	spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
63 }
64 
65 void
66 qla2x00_sp_free(void *ptr)
67 {
68 	srb_t *sp = ptr;
69 	struct srb_iocb *iocb = &sp->u.iocb_cmd;
70 
71 	del_timer(&iocb->timer);
72 	qla2x00_rel_sp(sp);
73 }
74 
75 /* Asynchronous Login/Logout Routines -------------------------------------- */
76 
77 unsigned long
78 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
79 {
80 	unsigned long tmo;
81 	struct qla_hw_data *ha = vha->hw;
82 
83 	/* Firmware should use switch negotiated r_a_tov for timeout. */
84 	tmo = ha->r_a_tov / 10 * 2;
85 	if (IS_QLAFX00(ha)) {
86 		tmo = FX00_DEF_RATOV * 2;
87 	} else if (!IS_FWI2_CAPABLE(ha)) {
88 		/*
89 		 * Except for earlier ISPs where the timeout is seeded from the
90 		 * initialization control block.
91 		 */
92 		tmo = ha->login_timeout;
93 	}
94 	return tmo;
95 }
96 
97 void
98 qla2x00_async_iocb_timeout(void *data)
99 {
100 	srb_t *sp = data;
101 	fc_port_t *fcport = sp->fcport;
102 	struct srb_iocb *lio = &sp->u.iocb_cmd;
103 
104 	if (fcport) {
105 		ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
106 		    "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
107 		    sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
108 
109 		fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
110 	} else {
111 		pr_info("Async-%s timeout - hdl=%x.\n",
112 		    sp->name, sp->handle);
113 	}
114 
115 	switch (sp->type) {
116 	case SRB_LOGIN_CMD:
117 		/* Retry as needed. */
118 		lio->u.logio.data[0] = MBS_COMMAND_ERROR;
119 		lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
120 			QLA_LOGIO_LOGIN_RETRIED : 0;
121 		sp->done(sp, QLA_FUNCTION_TIMEOUT);
122 		break;
123 	case SRB_LOGOUT_CMD:
124 	case SRB_CT_PTHRU_CMD:
125 	case SRB_MB_IOCB:
126 	case SRB_NACK_PLOGI:
127 	case SRB_NACK_PRLI:
128 	case SRB_NACK_LOGO:
129 	case SRB_CTRL_VP:
130 		sp->done(sp, QLA_FUNCTION_TIMEOUT);
131 		break;
132 	}
133 }
134 
135 static void
136 qla2x00_async_login_sp_done(void *ptr, int res)
137 {
138 	srb_t *sp = ptr;
139 	struct scsi_qla_host *vha = sp->vha;
140 	struct srb_iocb *lio = &sp->u.iocb_cmd;
141 	struct event_arg ea;
142 
143 	ql_dbg(ql_dbg_disc, vha, 0x20dd,
144 	    "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
145 
146 	sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
147 
148 	if (!test_bit(UNLOADING, &vha->dpc_flags)) {
149 		memset(&ea, 0, sizeof(ea));
150 		ea.event = FCME_PLOGI_DONE;
151 		ea.fcport = sp->fcport;
152 		ea.data[0] = lio->u.logio.data[0];
153 		ea.data[1] = lio->u.logio.data[1];
154 		ea.iop[0] = lio->u.logio.iop[0];
155 		ea.iop[1] = lio->u.logio.iop[1];
156 		ea.sp = sp;
157 		qla2x00_fcport_event_handler(vha, &ea);
158 	}
159 
160 	sp->free(sp);
161 }
162 
163 int
164 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
165     uint16_t *data)
166 {
167 	srb_t *sp;
168 	struct srb_iocb *lio;
169 	int rval = QLA_FUNCTION_FAILED;
170 
171 	if (!vha->flags.online)
172 		goto done;
173 
174 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
175 	if (!sp)
176 		goto done;
177 
178 	fcport->flags |= FCF_ASYNC_SENT;
179 	fcport->logout_completed = 0;
180 
181 	fcport->disc_state = DSC_LOGIN_PEND;
182 	sp->type = SRB_LOGIN_CMD;
183 	sp->name = "login";
184 	sp->gen1 = fcport->rscn_gen;
185 	sp->gen2 = fcport->login_gen;
186 
187 	lio = &sp->u.iocb_cmd;
188 	lio->timeout = qla2x00_async_iocb_timeout;
189 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
190 
191 	sp->done = qla2x00_async_login_sp_done;
192 	lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
193 
194 	if (fcport->fc4f_nvme)
195 		lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
196 
197 	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
198 		lio->u.logio.flags |= SRB_LOGIN_RETRIED;
199 	rval = qla2x00_start_sp(sp);
200 	if (rval != QLA_SUCCESS) {
201 		fcport->flags |= FCF_LOGIN_NEEDED;
202 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
203 		goto done_free_sp;
204 	}
205 
206 	ql_dbg(ql_dbg_disc, vha, 0x2072,
207 	    "Async-login - %8phC hdl=%x, loopid=%x portid=%02x%02x%02x "
208 		"retries=%d.\n", fcport->port_name, sp->handle, fcport->loop_id,
209 	    fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
210 	    fcport->login_retry);
211 	return rval;
212 
213 done_free_sp:
214 	sp->free(sp);
215 	fcport->flags &= ~FCF_ASYNC_SENT;
216 done:
217 	fcport->flags &= ~FCF_ASYNC_ACTIVE;
218 	return rval;
219 }
220 
221 static void
222 qla2x00_async_logout_sp_done(void *ptr, int res)
223 {
224 	srb_t *sp = ptr;
225 
226 	sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
227 	sp->fcport->login_gen++;
228 	qlt_logo_completion_handler(sp->fcport, res);
229 	sp->free(sp);
230 }
231 
232 int
233 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
234 {
235 	srb_t *sp;
236 	struct srb_iocb *lio;
237 	int rval = QLA_FUNCTION_FAILED;
238 
239 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
240 		return rval;
241 
242 	fcport->flags |= FCF_ASYNC_SENT;
243 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
244 	if (!sp)
245 		goto done;
246 
247 	sp->type = SRB_LOGOUT_CMD;
248 	sp->name = "logout";
249 
250 	lio = &sp->u.iocb_cmd;
251 	lio->timeout = qla2x00_async_iocb_timeout;
252 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
253 
254 	sp->done = qla2x00_async_logout_sp_done;
255 	rval = qla2x00_start_sp(sp);
256 	if (rval != QLA_SUCCESS)
257 		goto done_free_sp;
258 
259 	ql_dbg(ql_dbg_disc, vha, 0x2070,
260 	    "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC.\n",
261 	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
262 		fcport->d_id.b.area, fcport->d_id.b.al_pa,
263 		fcport->port_name);
264 	return rval;
265 
266 done_free_sp:
267 	sp->free(sp);
268 done:
269 	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
270 	return rval;
271 }
272 
273 void
274 qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport,
275     uint16_t *data)
276 {
277 	fcport->flags &= ~FCF_ASYNC_ACTIVE;
278 	/* Don't re-login in target mode */
279 	if (!fcport->tgt_session)
280 		qla2x00_mark_device_lost(vha, fcport, 1, 0);
281 	qlt_logo_completion_handler(fcport, data[0]);
282 }
283 
284 static void
285 qla2x00_async_prlo_sp_done(void *s, int res)
286 {
287 	srb_t *sp = (srb_t *)s;
288 	struct srb_iocb *lio = &sp->u.iocb_cmd;
289 	struct scsi_qla_host *vha = sp->vha;
290 
291 	sp->fcport->flags &= ~FCF_ASYNC_ACTIVE;
292 	if (!test_bit(UNLOADING, &vha->dpc_flags))
293 		qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport,
294 		    lio->u.logio.data);
295 	sp->free(sp);
296 }
297 
298 int
299 qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport)
300 {
301 	srb_t *sp;
302 	struct srb_iocb *lio;
303 	int rval;
304 
305 	rval = QLA_FUNCTION_FAILED;
306 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
307 	if (!sp)
308 		goto done;
309 
310 	sp->type = SRB_PRLO_CMD;
311 	sp->name = "prlo";
312 
313 	lio = &sp->u.iocb_cmd;
314 	lio->timeout = qla2x00_async_iocb_timeout;
315 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
316 
317 	sp->done = qla2x00_async_prlo_sp_done;
318 	rval = qla2x00_start_sp(sp);
319 	if (rval != QLA_SUCCESS)
320 		goto done_free_sp;
321 
322 	ql_dbg(ql_dbg_disc, vha, 0x2070,
323 	    "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
324 	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
325 	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
326 	return rval;
327 
328 done_free_sp:
329 	sp->free(sp);
330 done:
331 	fcport->flags &= ~FCF_ASYNC_ACTIVE;
332 	return rval;
333 }
334 
335 static
336 void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
337 {
338 	struct fc_port *fcport = ea->fcport;
339 
340 	ql_dbg(ql_dbg_disc, vha, 0x20d2,
341 	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
342 	    __func__, fcport->port_name, fcport->disc_state,
343 	    fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
344 	    fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
345 
346 	if (ea->data[0] != MBS_COMMAND_COMPLETE) {
347 		ql_dbg(ql_dbg_disc, vha, 0x2066,
348 		    "%s %8phC: adisc fail: post delete\n",
349 		    __func__, ea->fcport->port_name);
350 		qlt_schedule_sess_for_deletion(ea->fcport);
351 		return;
352 	}
353 
354 	if (ea->fcport->disc_state == DSC_DELETE_PEND)
355 		return;
356 
357 	if (ea->sp->gen2 != ea->fcport->login_gen) {
358 		/* target side must have changed it. */
359 		ql_dbg(ql_dbg_disc, vha, 0x20d3,
360 		    "%s %8phC generation changed\n",
361 		    __func__, ea->fcport->port_name);
362 		return;
363 	} else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
364 		ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
365 		    __func__, __LINE__, ea->fcport->port_name);
366 		qla24xx_post_gidpn_work(vha, ea->fcport);
367 		return;
368 	}
369 
370 	__qla24xx_handle_gpdb_event(vha, ea);
371 }
372 
373 static void
374 qla2x00_async_adisc_sp_done(void *ptr, int res)
375 {
376 	srb_t *sp = ptr;
377 	struct scsi_qla_host *vha = sp->vha;
378 	struct event_arg ea;
379 	struct srb_iocb *lio = &sp->u.iocb_cmd;
380 
381 	ql_dbg(ql_dbg_disc, vha, 0x2066,
382 	    "Async done-%s res %x %8phC\n",
383 	    sp->name, res, sp->fcport->port_name);
384 
385 	sp->fcport->flags &= ~FCF_ASYNC_SENT;
386 
387 	memset(&ea, 0, sizeof(ea));
388 	ea.event = FCME_ADISC_DONE;
389 	ea.rc = res;
390 	ea.data[0] = lio->u.logio.data[0];
391 	ea.data[1] = lio->u.logio.data[1];
392 	ea.iop[0] = lio->u.logio.iop[0];
393 	ea.iop[1] = lio->u.logio.iop[1];
394 	ea.fcport = sp->fcport;
395 	ea.sp = sp;
396 
397 	qla2x00_fcport_event_handler(vha, &ea);
398 
399 	sp->free(sp);
400 }
401 
402 int
403 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
404     uint16_t *data)
405 {
406 	srb_t *sp;
407 	struct srb_iocb *lio;
408 	int rval;
409 
410 	rval = QLA_FUNCTION_FAILED;
411 	fcport->flags |= FCF_ASYNC_SENT;
412 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
413 	if (!sp)
414 		goto done;
415 
416 	sp->type = SRB_ADISC_CMD;
417 	sp->name = "adisc";
418 
419 	lio = &sp->u.iocb_cmd;
420 	lio->timeout = qla2x00_async_iocb_timeout;
421 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
422 
423 	sp->done = qla2x00_async_adisc_sp_done;
424 	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
425 		lio->u.logio.flags |= SRB_LOGIN_RETRIED;
426 	rval = qla2x00_start_sp(sp);
427 	if (rval != QLA_SUCCESS)
428 		goto done_free_sp;
429 
430 	ql_dbg(ql_dbg_disc, vha, 0x206f,
431 	    "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n",
432 	    sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name);
433 	return rval;
434 
435 done_free_sp:
436 	sp->free(sp);
437 done:
438 	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
439 	qla2x00_post_async_adisc_work(vha, fcport, data);
440 	return rval;
441 }
442 
443 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
444 	struct event_arg *ea)
445 {
446 	fc_port_t *fcport, *conflict_fcport;
447 	struct get_name_list_extended *e;
448 	u16 i, n, found = 0, loop_id;
449 	port_id_t id;
450 	u64 wwn;
451 	u16 data[2];
452 	u8 current_login_state;
453 
454 	fcport = ea->fcport;
455 	ql_dbg(ql_dbg_disc, vha, 0xffff,
456 	    "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d\n",
457 	    __func__, fcport->port_name, fcport->disc_state,
458 	    fcport->fw_login_state, ea->rc,
459 	    fcport->login_gen, fcport->last_login_gen,
460 	    fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id);
461 
462 	if (fcport->disc_state == DSC_DELETE_PEND)
463 		return;
464 
465 	if (ea->rc) { /* rval */
466 		if (fcport->login_retry == 0) {
467 			fcport->login_retry = vha->hw->login_retry_count;
468 			ql_dbg(ql_dbg_disc, vha, 0x20de,
469 			    "GNL failed Port login retry %8phN, retry cnt=%d.\n",
470 			    fcport->port_name, fcport->login_retry);
471 		}
472 		return;
473 	}
474 
475 	if (fcport->last_rscn_gen != fcport->rscn_gen) {
476 		ql_dbg(ql_dbg_disc, vha, 0x20df,
477 		    "%s %8phC rscn gen changed rscn %d|%d \n",
478 		    __func__, fcport->port_name,
479 		    fcport->last_rscn_gen, fcport->rscn_gen);
480 		qla24xx_post_gidpn_work(vha, fcport);
481 		return;
482 	} else if (fcport->last_login_gen != fcport->login_gen) {
483 		ql_dbg(ql_dbg_disc, vha, 0x20e0,
484 		    "%s %8phC login gen changed\n",
485 		    __func__, fcport->port_name);
486 		return;
487 	}
488 
489 	n = ea->data[0] / sizeof(struct get_name_list_extended);
490 
491 	ql_dbg(ql_dbg_disc, vha, 0x20e1,
492 	    "%s %d %8phC n %d %02x%02x%02x lid %d \n",
493 	    __func__, __LINE__, fcport->port_name, n,
494 	    fcport->d_id.b.domain, fcport->d_id.b.area,
495 	    fcport->d_id.b.al_pa, fcport->loop_id);
496 
497 	for (i = 0; i < n; i++) {
498 		e = &vha->gnl.l[i];
499 		wwn = wwn_to_u64(e->port_name);
500 
501 		if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
502 			continue;
503 
504 		found = 1;
505 		id.b.domain = e->port_id[2];
506 		id.b.area = e->port_id[1];
507 		id.b.al_pa = e->port_id[0];
508 		id.b.rsvd_1 = 0;
509 
510 		loop_id = le16_to_cpu(e->nport_handle);
511 		loop_id = (loop_id & 0x7fff);
512 
513 		ql_dbg(ql_dbg_disc, vha, 0x20e2,
514 		    "%s found %8phC CLS [%d|%d] ID[%02x%02x%02x|%02x%02x%02x] lid[%d|%d]\n",
515 		    __func__, fcport->port_name,
516 		    e->current_login_state, fcport->fw_login_state,
517 		    id.b.domain, id.b.area, id.b.al_pa,
518 		    fcport->d_id.b.domain, fcport->d_id.b.area,
519 		    fcport->d_id.b.al_pa, loop_id, fcport->loop_id);
520 
521 		if ((id.b24 != fcport->d_id.b24) ||
522 		    ((fcport->loop_id != FC_NO_LOOP_ID) &&
523 			(fcport->loop_id != loop_id))) {
524 			ql_dbg(ql_dbg_disc, vha, 0x20e3,
525 			    "%s %d %8phC post del sess\n",
526 			    __func__, __LINE__, fcport->port_name);
527 			qlt_schedule_sess_for_deletion(fcport);
528 			return;
529 		}
530 
531 		fcport->loop_id = loop_id;
532 
533 		wwn = wwn_to_u64(fcport->port_name);
534 		qlt_find_sess_invalidate_other(vha, wwn,
535 			id, loop_id, &conflict_fcport);
536 
537 		if (conflict_fcport) {
538 			/*
539 			 * Another share fcport share the same loop_id &
540 			 * nport id. Conflict fcport needs to finish
541 			 * cleanup before this fcport can proceed to login.
542 			 */
543 			conflict_fcport->conflict = fcport;
544 			fcport->login_pause = 1;
545 		}
546 
547 		if  (fcport->fc4f_nvme)
548 			current_login_state = e->current_login_state >> 4;
549 		else
550 			current_login_state = e->current_login_state & 0xf;
551 
552 		switch (current_login_state) {
553 		case DSC_LS_PRLI_COMP:
554 			ql_dbg(ql_dbg_disc, vha, 0x20e4,
555 			    "%s %d %8phC post gpdb\n",
556 			    __func__, __LINE__, fcport->port_name);
557 
558 			if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
559 				fcport->port_type = FCT_INITIATOR;
560 			else
561 				fcport->port_type = FCT_TARGET;
562 
563 			data[0] = data[1] = 0;
564 			qla2x00_post_async_adisc_work(vha, fcport, data);
565 			break;
566 		case DSC_LS_PORT_UNAVAIL:
567 		default:
568 			if (fcport->loop_id == FC_NO_LOOP_ID) {
569 				qla2x00_find_new_loop_id(vha, fcport);
570 				fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
571 			}
572 			ql_dbg(ql_dbg_disc, vha, 0x20e5,
573 			    "%s %d %8phC\n",
574 			    __func__, __LINE__, fcport->port_name);
575 			qla24xx_fcport_handle_login(vha, fcport);
576 			break;
577 		}
578 	}
579 
580 	if (!found) {
581 		/* fw has no record of this port */
582 		for (i = 0; i < n; i++) {
583 			e = &vha->gnl.l[i];
584 			id.b.domain = e->port_id[0];
585 			id.b.area = e->port_id[1];
586 			id.b.al_pa = e->port_id[2];
587 			id.b.rsvd_1 = 0;
588 			loop_id = le16_to_cpu(e->nport_handle);
589 
590 			if (fcport->d_id.b24 == id.b24) {
591 				conflict_fcport =
592 					qla2x00_find_fcport_by_wwpn(vha,
593 					    e->port_name, 0);
594 				ql_dbg(ql_dbg_disc, vha, 0x20e6,
595 				    "%s %d %8phC post del sess\n",
596 				    __func__, __LINE__,
597 				    conflict_fcport->port_name);
598 				qlt_schedule_sess_for_deletion
599 					(conflict_fcport);
600 			}
601 
602 			/* FW already picked this loop id for another fcport */
603 			if (fcport->loop_id == loop_id)
604 				fcport->loop_id = FC_NO_LOOP_ID;
605 		}
606 		qla24xx_fcport_handle_login(vha, fcport);
607 	}
608 } /* gnl_event */
609 
610 static void
611 qla24xx_async_gnl_sp_done(void *s, int res)
612 {
613 	struct srb *sp = s;
614 	struct scsi_qla_host *vha = sp->vha;
615 	unsigned long flags;
616 	struct fc_port *fcport = NULL, *tf;
617 	u16 i, n = 0, loop_id;
618 	struct event_arg ea;
619 	struct get_name_list_extended *e;
620 	u64 wwn;
621 	struct list_head h;
622 	bool found = false;
623 
624 	ql_dbg(ql_dbg_disc, vha, 0x20e7,
625 	    "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
626 	    sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
627 	    sp->u.iocb_cmd.u.mbx.in_mb[2]);
628 
629 	memset(&ea, 0, sizeof(ea));
630 	ea.sp = sp;
631 	ea.rc = res;
632 	ea.event = FCME_GNL_DONE;
633 
634 	if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
635 	    sizeof(struct get_name_list_extended)) {
636 		n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
637 		    sizeof(struct get_name_list_extended);
638 		ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
639 	}
640 
641 	for (i = 0; i < n; i++) {
642 		e = &vha->gnl.l[i];
643 		loop_id = le16_to_cpu(e->nport_handle);
644 		/* mask out reserve bit */
645 		loop_id = (loop_id & 0x7fff);
646 		set_bit(loop_id, vha->hw->loop_id_map);
647 		wwn = wwn_to_u64(e->port_name);
648 
649 		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x20e8,
650 		    "%s %8phC %02x:%02x:%02x state %d/%d lid %x \n",
651 		    __func__, (void *)&wwn, e->port_id[2], e->port_id[1],
652 		    e->port_id[0], e->current_login_state, e->last_login_state,
653 		    (loop_id & 0x7fff));
654 	}
655 
656 	spin_lock_irqsave(&vha->gnl.fcports_lock, flags);
657 
658 	INIT_LIST_HEAD(&h);
659 	fcport = tf = NULL;
660 	if (!list_empty(&vha->gnl.fcports))
661 		list_splice_init(&vha->gnl.fcports, &h);
662 
663 	list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
664 		list_del_init(&fcport->gnl_entry);
665 		spin_lock(&vha->hw->tgt.sess_lock);
666 		fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
667 		spin_unlock(&vha->hw->tgt.sess_lock);
668 		ea.fcport = fcport;
669 
670 		qla2x00_fcport_event_handler(vha, &ea);
671 	}
672 	spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags);
673 
674 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
675 	/* create new fcport if fw has knowledge of new sessions */
676 	for (i = 0; i < n; i++) {
677 		port_id_t id;
678 		u64 wwnn;
679 
680 		e = &vha->gnl.l[i];
681 		wwn = wwn_to_u64(e->port_name);
682 
683 		found = false;
684 		list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
685 			if (!memcmp((u8 *)&wwn, fcport->port_name,
686 			    WWN_SIZE)) {
687 				found = true;
688 				break;
689 			}
690 		}
691 
692 		id.b.domain = e->port_id[2];
693 		id.b.area = e->port_id[1];
694 		id.b.al_pa = e->port_id[0];
695 		id.b.rsvd_1 = 0;
696 
697 		if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
698 			ql_dbg(ql_dbg_disc, vha, 0x2065,
699 			    "%s %d %8phC %06x post new sess\n",
700 			    __func__, __LINE__, (u8 *)&wwn, id.b24);
701 			wwnn = wwn_to_u64(e->node_name);
702 			qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
703 			    (u8 *)&wwnn, NULL, FC4_TYPE_UNKNOWN);
704 		}
705 	}
706 
707 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
708 
709 	sp->free(sp);
710 }
711 
712 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
713 {
714 	srb_t *sp;
715 	struct srb_iocb *mbx;
716 	int rval = QLA_FUNCTION_FAILED;
717 	unsigned long flags;
718 	u16 *mb;
719 
720 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
721 		return rval;
722 
723 	ql_dbg(ql_dbg_disc, vha, 0x20d9,
724 	    "Async-gnlist WWPN %8phC \n", fcport->port_name);
725 
726 	spin_lock_irqsave(&vha->gnl.fcports_lock, flags);
727 	if (!list_empty(&fcport->gnl_entry)) {
728 		spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags);
729 		rval = QLA_SUCCESS;
730 		goto done;
731 	}
732 
733 	spin_lock(&vha->hw->tgt.sess_lock);
734 	fcport->disc_state = DSC_GNL;
735 	fcport->last_rscn_gen = fcport->rscn_gen;
736 	fcport->last_login_gen = fcport->login_gen;
737 	spin_unlock(&vha->hw->tgt.sess_lock);
738 
739 	list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
740 	spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags);
741 
742 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
743 	if (!sp)
744 		goto done;
745 
746 	fcport->flags |= FCF_ASYNC_SENT;
747 	sp->type = SRB_MB_IOCB;
748 	sp->name = "gnlist";
749 	sp->gen1 = fcport->rscn_gen;
750 	sp->gen2 = fcport->login_gen;
751 
752 	mbx = &sp->u.iocb_cmd;
753 	mbx->timeout = qla2x00_async_iocb_timeout;
754 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
755 
756 	mb = sp->u.iocb_cmd.u.mbx.out_mb;
757 	mb[0] = MBC_PORT_NODE_NAME_LIST;
758 	mb[1] = BIT_2 | BIT_3;
759 	mb[2] = MSW(vha->gnl.ldma);
760 	mb[3] = LSW(vha->gnl.ldma);
761 	mb[6] = MSW(MSD(vha->gnl.ldma));
762 	mb[7] = LSW(MSD(vha->gnl.ldma));
763 	mb[8] = vha->gnl.size;
764 	mb[9] = vha->vp_idx;
765 
766 	sp->done = qla24xx_async_gnl_sp_done;
767 
768 	rval = qla2x00_start_sp(sp);
769 	if (rval != QLA_SUCCESS)
770 		goto done_free_sp;
771 
772 	ql_dbg(ql_dbg_disc, vha, 0x20da,
773 	    "Async-%s - OUT WWPN %8phC hndl %x\n",
774 	    sp->name, fcport->port_name, sp->handle);
775 
776 	return rval;
777 
778 done_free_sp:
779 	sp->free(sp);
780 	fcport->flags &= ~FCF_ASYNC_SENT;
781 done:
782 	return rval;
783 }
784 
785 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
786 {
787 	struct qla_work_evt *e;
788 
789 	e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
790 	if (!e)
791 		return QLA_FUNCTION_FAILED;
792 
793 	e->u.fcport.fcport = fcport;
794 	fcport->flags |= FCF_ASYNC_ACTIVE;
795 	return qla2x00_post_work(vha, e);
796 }
797 
798 static
799 void qla24xx_async_gpdb_sp_done(void *s, int res)
800 {
801 	struct srb *sp = s;
802 	struct scsi_qla_host *vha = sp->vha;
803 	struct qla_hw_data *ha = vha->hw;
804 	fc_port_t *fcport = sp->fcport;
805 	u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
806 	struct event_arg ea;
807 
808 	ql_dbg(ql_dbg_disc, vha, 0x20db,
809 	    "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
810 	    sp->name, res, fcport->port_name, mb[1], mb[2]);
811 
812 	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
813 
814 	memset(&ea, 0, sizeof(ea));
815 	ea.event = FCME_GPDB_DONE;
816 	ea.fcport = fcport;
817 	ea.sp = sp;
818 
819 	qla2x00_fcport_event_handler(vha, &ea);
820 
821 	dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
822 		sp->u.iocb_cmd.u.mbx.in_dma);
823 
824 	sp->free(sp);
825 }
826 
827 static int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
828 {
829 	struct qla_work_evt *e;
830 
831 	e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
832 	if (!e)
833 		return QLA_FUNCTION_FAILED;
834 
835 	e->u.fcport.fcport = fcport;
836 
837 	return qla2x00_post_work(vha, e);
838 }
839 
840 static void
841 qla2x00_async_prli_sp_done(void *ptr, int res)
842 {
843 	srb_t *sp = ptr;
844 	struct scsi_qla_host *vha = sp->vha;
845 	struct srb_iocb *lio = &sp->u.iocb_cmd;
846 	struct event_arg ea;
847 
848 	ql_dbg(ql_dbg_disc, vha, 0x2129,
849 	    "%s %8phC res %d \n", __func__,
850 	    sp->fcport->port_name, res);
851 
852 	sp->fcport->flags &= ~FCF_ASYNC_SENT;
853 
854 	if (!test_bit(UNLOADING, &vha->dpc_flags)) {
855 		memset(&ea, 0, sizeof(ea));
856 		ea.event = FCME_PRLI_DONE;
857 		ea.fcport = sp->fcport;
858 		ea.data[0] = lio->u.logio.data[0];
859 		ea.data[1] = lio->u.logio.data[1];
860 		ea.iop[0] = lio->u.logio.iop[0];
861 		ea.iop[1] = lio->u.logio.iop[1];
862 		ea.sp = sp;
863 
864 		qla2x00_fcport_event_handler(vha, &ea);
865 	}
866 
867 	sp->free(sp);
868 }
869 
870 int
871 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
872 {
873 	srb_t *sp;
874 	struct srb_iocb *lio;
875 	int rval = QLA_FUNCTION_FAILED;
876 
877 	if (!vha->flags.online)
878 		return rval;
879 
880 	if (fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
881 	    fcport->fw_login_state == DSC_LS_PRLI_PEND)
882 		return rval;
883 
884 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
885 	if (!sp)
886 		return rval;
887 
888 	fcport->flags |= FCF_ASYNC_SENT;
889 	fcport->logout_completed = 0;
890 
891 	sp->type = SRB_PRLI_CMD;
892 	sp->name = "prli";
893 
894 	lio = &sp->u.iocb_cmd;
895 	lio->timeout = qla2x00_async_iocb_timeout;
896 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
897 
898 	sp->done = qla2x00_async_prli_sp_done;
899 	lio->u.logio.flags = 0;
900 
901 	if  (fcport->fc4f_nvme)
902 		lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
903 
904 	rval = qla2x00_start_sp(sp);
905 	if (rval != QLA_SUCCESS) {
906 		fcport->flags |= FCF_LOGIN_NEEDED;
907 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
908 		goto done_free_sp;
909 	}
910 
911 	ql_dbg(ql_dbg_disc, vha, 0x211b,
912 	    "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d.\n",
913 	    fcport->port_name, sp->handle, fcport->loop_id,
914 	    fcport->d_id.b24, fcport->login_retry);
915 
916 	return rval;
917 
918 done_free_sp:
919 	sp->free(sp);
920 	fcport->flags &= ~FCF_ASYNC_SENT;
921 	return rval;
922 }
923 
924 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
925 {
926 	struct qla_work_evt *e;
927 
928 	e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
929 	if (!e)
930 		return QLA_FUNCTION_FAILED;
931 
932 	e->u.fcport.fcport = fcport;
933 	e->u.fcport.opt = opt;
934 	fcport->flags |= FCF_ASYNC_ACTIVE;
935 	return qla2x00_post_work(vha, e);
936 }
937 
938 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
939 {
940 	srb_t *sp;
941 	struct srb_iocb *mbx;
942 	int rval = QLA_FUNCTION_FAILED;
943 	u16 *mb;
944 	dma_addr_t pd_dma;
945 	struct port_database_24xx *pd;
946 	struct qla_hw_data *ha = vha->hw;
947 
948 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
949 		return rval;
950 
951 	fcport->disc_state = DSC_GPDB;
952 
953 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
954 	if (!sp)
955 		goto done;
956 
957 	fcport->flags |= FCF_ASYNC_SENT;
958 	sp->type = SRB_MB_IOCB;
959 	sp->name = "gpdb";
960 	sp->gen1 = fcport->rscn_gen;
961 	sp->gen2 = fcport->login_gen;
962 
963 	mbx = &sp->u.iocb_cmd;
964 	mbx->timeout = qla2x00_async_iocb_timeout;
965 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
966 
967 	pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
968 	if (pd == NULL) {
969 		ql_log(ql_log_warn, vha, 0xd043,
970 		    "Failed to allocate port database structure.\n");
971 		goto done_free_sp;
972 	}
973 
974 	mb = sp->u.iocb_cmd.u.mbx.out_mb;
975 	mb[0] = MBC_GET_PORT_DATABASE;
976 	mb[1] = fcport->loop_id;
977 	mb[2] = MSW(pd_dma);
978 	mb[3] = LSW(pd_dma);
979 	mb[6] = MSW(MSD(pd_dma));
980 	mb[7] = LSW(MSD(pd_dma));
981 	mb[9] = vha->vp_idx;
982 	mb[10] = opt;
983 
984 	mbx->u.mbx.in = (void *)pd;
985 	mbx->u.mbx.in_dma = pd_dma;
986 
987 	sp->done = qla24xx_async_gpdb_sp_done;
988 
989 	rval = qla2x00_start_sp(sp);
990 	if (rval != QLA_SUCCESS)
991 		goto done_free_sp;
992 
993 	ql_dbg(ql_dbg_disc, vha, 0x20dc,
994 	    "Async-%s %8phC hndl %x opt %x\n",
995 	    sp->name, fcport->port_name, sp->handle, opt);
996 
997 	return rval;
998 
999 done_free_sp:
1000 	if (pd)
1001 		dma_pool_free(ha->s_dma_pool, pd, pd_dma);
1002 
1003 	sp->free(sp);
1004 	fcport->flags &= ~FCF_ASYNC_SENT;
1005 done:
1006 	qla24xx_post_gpdb_work(vha, fcport, opt);
1007 	return rval;
1008 }
1009 
1010 static
1011 void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1012 {
1013 	unsigned long flags;
1014 
1015 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1016 	ea->fcport->login_gen++;
1017 	ea->fcport->deleted = 0;
1018 	ea->fcport->logout_on_delete = 1;
1019 
1020 	if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
1021 		vha->fcport_count++;
1022 		ea->fcport->login_succ = 1;
1023 
1024 		ql_dbg(ql_dbg_disc, vha, 0x20d6,
1025 		    "%s %d %8phC post upd_fcport fcp_cnt %d\n",
1026 		    __func__, __LINE__,  ea->fcport->port_name,
1027 		    vha->fcport_count);
1028 		qla24xx_post_upd_fcport_work(vha, ea->fcport);
1029 	} else if (ea->fcport->login_succ) {
1030 		/*
1031 		 * We have an existing session. A late RSCN delivery
1032 		 * must have triggered the session to be re-validate.
1033 		 * Session is still valid.
1034 		 */
1035 		ql_dbg(ql_dbg_disc, vha, 0x20d6,
1036 		    "%s %d %8phC session revalidate success\n",
1037 		    __func__, __LINE__, ea->fcport->port_name);
1038 		ea->fcport->disc_state = DSC_LOGIN_COMPLETE;
1039 	}
1040 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1041 }
1042 
1043 static
1044 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1045 {
1046 	fc_port_t *fcport = ea->fcport;
1047 	struct port_database_24xx *pd;
1048 	struct srb *sp = ea->sp;
1049 	uint8_t	ls;
1050 
1051 	pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
1052 
1053 	fcport->flags &= ~FCF_ASYNC_SENT;
1054 
1055 	ql_dbg(ql_dbg_disc, vha, 0x20d2,
1056 	    "%s %8phC DS %d LS %d rc %d\n", __func__, fcport->port_name,
1057 	    fcport->disc_state, pd->current_login_state, ea->rc);
1058 
1059 	if (fcport->disc_state == DSC_DELETE_PEND)
1060 		return;
1061 
1062 	if (fcport->fc4f_nvme)
1063 		ls = pd->current_login_state >> 4;
1064 	else
1065 		ls = pd->current_login_state & 0xf;
1066 
1067 	switch (ls) {
1068 	case PDS_PRLI_COMPLETE:
1069 		__qla24xx_parse_gpdb(vha, fcport, pd);
1070 		break;
1071 	case PDS_PLOGI_PENDING:
1072 	case PDS_PLOGI_COMPLETE:
1073 	case PDS_PRLI_PENDING:
1074 	case PDS_PRLI2_PENDING:
1075 		ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC relogin needed\n",
1076 		    __func__, __LINE__, fcport->port_name);
1077 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1078 		return;
1079 	case PDS_LOGO_PENDING:
1080 	case PDS_PORT_UNAVAILABLE:
1081 	default:
1082 		ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
1083 		    __func__, __LINE__, fcport->port_name);
1084 		qlt_schedule_sess_for_deletion(fcport);
1085 		return;
1086 	}
1087 	__qla24xx_handle_gpdb_event(vha, ea);
1088 } /* gpdb event */
1089 
1090 static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1091 {
1092 	u8 login = 0;
1093 	int rc;
1094 
1095 	if (qla_tgt_mode_enabled(vha))
1096 		return;
1097 
1098 	if (qla_dual_mode_enabled(vha)) {
1099 		if (N2N_TOPO(vha->hw)) {
1100 			u64 mywwn, wwn;
1101 
1102 			mywwn = wwn_to_u64(vha->port_name);
1103 			wwn = wwn_to_u64(fcport->port_name);
1104 			if (mywwn > wwn)
1105 				login = 1;
1106 			else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1107 			    && time_after_eq(jiffies,
1108 				    fcport->plogi_nack_done_deadline))
1109 				login = 1;
1110 		} else {
1111 			login = 1;
1112 		}
1113 	} else {
1114 		/* initiator mode */
1115 		login = 1;
1116 	}
1117 
1118 	if (login) {
1119 		if (fcport->loop_id == FC_NO_LOOP_ID) {
1120 			fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
1121 			rc = qla2x00_find_new_loop_id(vha, fcport);
1122 			if (rc) {
1123 				ql_dbg(ql_dbg_disc, vha, 0x20e6,
1124 				    "%s %d %8phC post del sess - out of loopid\n",
1125 				    __func__, __LINE__, fcport->port_name);
1126 				fcport->scan_state = 0;
1127 				qlt_schedule_sess_for_deletion(fcport);
1128 				return;
1129 			}
1130 		}
1131 		ql_dbg(ql_dbg_disc, vha, 0x20bf,
1132 		    "%s %d %8phC post login\n",
1133 		    __func__, __LINE__, fcport->port_name);
1134 		qla2x00_post_async_login_work(vha, fcport, NULL);
1135 	}
1136 }
1137 
1138 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1139 {
1140 	u16 data[2];
1141 	u64 wwn;
1142 
1143 	ql_dbg(ql_dbg_disc, vha, 0x20d8,
1144 	    "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d retry %d lid %d scan %d\n",
1145 	    __func__, fcport->port_name, fcport->disc_state,
1146 	    fcport->fw_login_state, fcport->login_pause, fcport->flags,
1147 	    fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
1148 	    fcport->login_gen, fcport->login_retry,
1149 	    fcport->loop_id, fcport->scan_state);
1150 
1151 	if (fcport->scan_state != QLA_FCPORT_FOUND)
1152 		return 0;
1153 
1154 	if ((fcport->loop_id != FC_NO_LOOP_ID) &&
1155 	    ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1156 	     (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
1157 		return 0;
1158 
1159 	if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1160 		if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1161 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1162 			return 0;
1163 		}
1164 	}
1165 
1166 	/* for pure Target Mode. Login will not be initiated */
1167 	if (vha->host->active_mode == MODE_TARGET)
1168 		return 0;
1169 
1170 	if (fcport->flags & FCF_ASYNC_SENT) {
1171 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1172 		return 0;
1173 	}
1174 
1175 	if (fcport->login_retry > 0)
1176 		fcport->login_retry--;
1177 
1178 	switch (fcport->disc_state) {
1179 	case DSC_DELETED:
1180 		wwn = wwn_to_u64(fcport->node_name);
1181 		if (wwn == 0) {
1182 			ql_dbg(ql_dbg_disc, vha, 0xffff,
1183 			    "%s %d %8phC post GNNID\n",
1184 			    __func__, __LINE__, fcport->port_name);
1185 			qla24xx_post_gnnid_work(vha, fcport);
1186 		} else if (fcport->loop_id == FC_NO_LOOP_ID) {
1187 			ql_dbg(ql_dbg_disc, vha, 0x20bd,
1188 			    "%s %d %8phC post gnl\n",
1189 			    __func__, __LINE__, fcport->port_name);
1190 			qla24xx_post_gnl_work(vha, fcport);
1191 		} else {
1192 			qla_chk_n2n_b4_login(vha, fcport);
1193 		}
1194 		break;
1195 
1196 	case DSC_GNL:
1197 		if (fcport->login_pause) {
1198 			fcport->last_rscn_gen = fcport->rscn_gen;
1199 			fcport->last_login_gen = fcport->login_gen;
1200 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1201 			break;
1202 		}
1203 
1204 		qla_chk_n2n_b4_login(vha, fcport);
1205 		break;
1206 
1207 	case DSC_LOGIN_FAILED:
1208 		ql_dbg(ql_dbg_disc, vha, 0x20d0,
1209 		    "%s %d %8phC post gidpn\n",
1210 		    __func__, __LINE__, fcport->port_name);
1211 		if (N2N_TOPO(vha->hw))
1212 			qla_chk_n2n_b4_login(vha, fcport);
1213 		else
1214 			qla24xx_post_gidpn_work(vha, fcport);
1215 		break;
1216 
1217 	case DSC_LOGIN_COMPLETE:
1218 		/* recheck login state */
1219 		ql_dbg(ql_dbg_disc, vha, 0x20d1,
1220 		    "%s %d %8phC post adisc\n",
1221 		    __func__, __LINE__, fcport->port_name);
1222 		data[0] = data[1] = 0;
1223 		qla2x00_post_async_adisc_work(vha, fcport, data);
1224 		break;
1225 
1226 	case DSC_LOGIN_PEND:
1227 		if (fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1228 			qla24xx_post_prli_work(vha, fcport);
1229 		break;
1230 
1231 	default:
1232 		break;
1233 	}
1234 
1235 	return 0;
1236 }
1237 
1238 static
1239 void qla24xx_handle_rscn_event(fc_port_t *fcport, struct event_arg *ea)
1240 {
1241 	fcport->rscn_gen++;
1242 
1243 	ql_dbg(ql_dbg_disc, fcport->vha, 0x210c,
1244 	    "%s %8phC DS %d LS %d\n",
1245 	    __func__, fcport->port_name, fcport->disc_state,
1246 	    fcport->fw_login_state);
1247 
1248 	if (fcport->flags & FCF_ASYNC_SENT)
1249 		return;
1250 
1251 	switch (fcport->disc_state) {
1252 	case DSC_DELETED:
1253 	case DSC_LOGIN_COMPLETE:
1254 		qla24xx_post_gpnid_work(fcport->vha, &ea->id);
1255 		break;
1256 	default:
1257 		break;
1258 	}
1259 }
1260 
1261 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1262     u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
1263 {
1264 	struct qla_work_evt *e;
1265 	e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1266 	if (!e)
1267 		return QLA_FUNCTION_FAILED;
1268 
1269 	e->u.new_sess.id = *id;
1270 	e->u.new_sess.pla = pla;
1271 	e->u.new_sess.fc4_type = fc4_type;
1272 	memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1273 	if (node_name)
1274 		memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
1275 
1276 	return qla2x00_post_work(vha, e);
1277 }
1278 
1279 static
1280 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1281 	struct event_arg *ea)
1282 {
1283 	fc_port_t *fcport = ea->fcport;
1284 
1285 	ql_dbg(ql_dbg_disc, vha, 0x2102,
1286 	    "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1287 	    __func__, fcport->port_name, fcport->disc_state,
1288 	    fcport->fw_login_state, fcport->login_pause,
1289 	    fcport->deleted, fcport->conflict,
1290 	    fcport->last_rscn_gen, fcport->rscn_gen,
1291 	    fcport->last_login_gen, fcport->login_gen,
1292 	    fcport->flags);
1293 
1294 	if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1295 	    (fcport->fw_login_state == DSC_LS_PRLI_PEND))
1296 		return;
1297 
1298 	if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1299 		if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1300 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1301 			return;
1302 		}
1303 	}
1304 
1305 	if (fcport->flags & FCF_ASYNC_SENT) {
1306 		fcport->login_retry++;
1307 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1308 		return;
1309 	}
1310 
1311 	if (fcport->disc_state == DSC_DELETE_PEND) {
1312 		fcport->login_retry++;
1313 		return;
1314 	}
1315 
1316 	if (fcport->last_rscn_gen != fcport->rscn_gen) {
1317 		ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gidpn\n",
1318 		    __func__, __LINE__, fcport->port_name);
1319 
1320 		qla24xx_post_gidpn_work(vha, fcport);
1321 		return;
1322 	}
1323 
1324 	qla24xx_fcport_handle_login(vha, fcport);
1325 }
1326 
1327 void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea)
1328 {
1329 	fc_port_t *f, *tf;
1330 	uint32_t id = 0, mask, rid;
1331 	unsigned long flags;
1332 	fc_port_t *fcport;
1333 
1334 	switch (ea->event) {
1335 	case FCME_RELOGIN:
1336 		if (test_bit(UNLOADING, &vha->dpc_flags))
1337 			return;
1338 
1339 		qla24xx_handle_relogin_event(vha, ea);
1340 		break;
1341 	case FCME_RSCN:
1342 		if (test_bit(UNLOADING, &vha->dpc_flags))
1343 			return;
1344 		switch (ea->id.b.rsvd_1) {
1345 		case RSCN_PORT_ADDR:
1346 			fcport = qla2x00_find_fcport_by_nportid
1347 				(vha, &ea->id, 1);
1348 			if (fcport)
1349 				fcport->rscn_rcvd = 1;
1350 
1351 			spin_lock_irqsave(&vha->work_lock, flags);
1352 			if (vha->scan.scan_flags == 0) {
1353 				ql_dbg(ql_dbg_disc, vha, 0xffff,
1354 				    "%s: schedule\n", __func__);
1355 				vha->scan.scan_flags |= SF_QUEUED;
1356 				schedule_delayed_work(&vha->scan.scan_work, 5);
1357 			}
1358 			spin_unlock_irqrestore(&vha->work_lock, flags);
1359 
1360 			break;
1361 		case RSCN_AREA_ADDR:
1362 		case RSCN_DOM_ADDR:
1363 			if (ea->id.b.rsvd_1 == RSCN_AREA_ADDR) {
1364 				mask = 0xffff00;
1365 				ql_dbg(ql_dbg_async, vha, 0x5044,
1366 				    "RSCN: Area 0x%06x was affected\n",
1367 				    ea->id.b24);
1368 			} else {
1369 				mask = 0xff0000;
1370 				ql_dbg(ql_dbg_async, vha, 0x507a,
1371 				    "RSCN: Domain 0x%06x was affected\n",
1372 				    ea->id.b24);
1373 			}
1374 
1375 			rid = ea->id.b24 & mask;
1376 			list_for_each_entry_safe(f, tf, &vha->vp_fcports,
1377 			    list) {
1378 				id = f->d_id.b24 & mask;
1379 				if (rid == id) {
1380 					ea->fcport = f;
1381 					qla24xx_handle_rscn_event(f, ea);
1382 				}
1383 			}
1384 			break;
1385 		case RSCN_FAB_ADDR:
1386 		default:
1387 			ql_log(ql_log_warn, vha, 0xd045,
1388 			    "RSCN: Fabric was affected. Addr format %d\n",
1389 			    ea->id.b.rsvd_1);
1390 			qla2x00_mark_all_devices_lost(vha, 1);
1391 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1392 			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1393 		}
1394 		break;
1395 	case FCME_GIDPN_DONE:
1396 		qla24xx_handle_gidpn_event(vha, ea);
1397 		break;
1398 	case FCME_GNL_DONE:
1399 		qla24xx_handle_gnl_done_event(vha, ea);
1400 		break;
1401 	case FCME_GPSC_DONE:
1402 		qla24xx_handle_gpsc_event(vha, ea);
1403 		break;
1404 	case FCME_PLOGI_DONE:	/* Initiator side sent LLIOCB */
1405 		qla24xx_handle_plogi_done_event(vha, ea);
1406 		break;
1407 	case FCME_PRLI_DONE:
1408 		qla24xx_handle_prli_done_event(vha, ea);
1409 		break;
1410 	case FCME_GPDB_DONE:
1411 		qla24xx_handle_gpdb_event(vha, ea);
1412 		break;
1413 	case FCME_GPNID_DONE:
1414 		qla24xx_handle_gpnid_event(vha, ea);
1415 		break;
1416 	case FCME_GFFID_DONE:
1417 		qla24xx_handle_gffid_event(vha, ea);
1418 		break;
1419 	case FCME_ADISC_DONE:
1420 		qla24xx_handle_adisc_event(vha, ea);
1421 		break;
1422 	case FCME_GNNID_DONE:
1423 		qla24xx_handle_gnnid_event(vha, ea);
1424 		break;
1425 	case FCME_GFPNID_DONE:
1426 		qla24xx_handle_gfpnid_event(vha, ea);
1427 		break;
1428 	default:
1429 		BUG_ON(1);
1430 		break;
1431 	}
1432 }
1433 
1434 static void
1435 qla2x00_tmf_iocb_timeout(void *data)
1436 {
1437 	srb_t *sp = data;
1438 	struct srb_iocb *tmf = &sp->u.iocb_cmd;
1439 
1440 	tmf->u.tmf.comp_status = CS_TIMEOUT;
1441 	complete(&tmf->u.tmf.comp);
1442 }
1443 
1444 static void
1445 qla2x00_tmf_sp_done(void *ptr, int res)
1446 {
1447 	srb_t *sp = ptr;
1448 	struct srb_iocb *tmf = &sp->u.iocb_cmd;
1449 
1450 	complete(&tmf->u.tmf.comp);
1451 }
1452 
1453 int
1454 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1455 	uint32_t tag)
1456 {
1457 	struct scsi_qla_host *vha = fcport->vha;
1458 	struct srb_iocb *tm_iocb;
1459 	srb_t *sp;
1460 	int rval = QLA_FUNCTION_FAILED;
1461 
1462 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1463 	if (!sp)
1464 		goto done;
1465 
1466 	tm_iocb = &sp->u.iocb_cmd;
1467 	sp->type = SRB_TM_CMD;
1468 	sp->name = "tmf";
1469 
1470 	tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
1471 	init_completion(&tm_iocb->u.tmf.comp);
1472 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1473 
1474 	tm_iocb->u.tmf.flags = flags;
1475 	tm_iocb->u.tmf.lun = lun;
1476 	tm_iocb->u.tmf.data = tag;
1477 	sp->done = qla2x00_tmf_sp_done;
1478 
1479 	rval = qla2x00_start_sp(sp);
1480 	if (rval != QLA_SUCCESS)
1481 		goto done_free_sp;
1482 
1483 	ql_dbg(ql_dbg_taskm, vha, 0x802f,
1484 	    "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
1485 	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
1486 	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
1487 
1488 	wait_for_completion(&tm_iocb->u.tmf.comp);
1489 
1490 	rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
1491 	    QLA_SUCCESS : QLA_FUNCTION_FAILED;
1492 
1493 	if ((rval != QLA_SUCCESS) || tm_iocb->u.tmf.data) {
1494 		ql_dbg(ql_dbg_taskm, vha, 0x8030,
1495 		    "TM IOCB failed (%x).\n", rval);
1496 	}
1497 
1498 	if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
1499 		flags = tm_iocb->u.tmf.flags;
1500 		lun = (uint16_t)tm_iocb->u.tmf.lun;
1501 
1502 		/* Issue Marker IOCB */
1503 		qla2x00_marker(vha, vha->hw->req_q_map[0],
1504 		    vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
1505 		    flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
1506 	}
1507 
1508 done_free_sp:
1509 	sp->free(sp);
1510 	sp->fcport->flags &= ~FCF_ASYNC_SENT;
1511 done:
1512 	return rval;
1513 }
1514 
1515 static void
1516 qla24xx_abort_iocb_timeout(void *data)
1517 {
1518 	srb_t *sp = data;
1519 	struct srb_iocb *abt = &sp->u.iocb_cmd;
1520 
1521 	abt->u.abt.comp_status = CS_TIMEOUT;
1522 	complete(&abt->u.abt.comp);
1523 }
1524 
1525 static void
1526 qla24xx_abort_sp_done(void *ptr, int res)
1527 {
1528 	srb_t *sp = ptr;
1529 	struct srb_iocb *abt = &sp->u.iocb_cmd;
1530 
1531 	if (del_timer(&sp->u.iocb_cmd.timer))
1532 		complete(&abt->u.abt.comp);
1533 }
1534 
1535 int
1536 qla24xx_async_abort_cmd(srb_t *cmd_sp)
1537 {
1538 	scsi_qla_host_t *vha = cmd_sp->vha;
1539 	fc_port_t *fcport = cmd_sp->fcport;
1540 	struct srb_iocb *abt_iocb;
1541 	srb_t *sp;
1542 	int rval = QLA_FUNCTION_FAILED;
1543 
1544 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1545 	if (!sp)
1546 		goto done;
1547 
1548 	abt_iocb = &sp->u.iocb_cmd;
1549 	sp->type = SRB_ABT_CMD;
1550 	sp->name = "abort";
1551 
1552 	abt_iocb->timeout = qla24xx_abort_iocb_timeout;
1553 	init_completion(&abt_iocb->u.abt.comp);
1554 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1555 
1556 	abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
1557 
1558 	if (vha->flags.qpairs_available && cmd_sp->qpair)
1559 		abt_iocb->u.abt.req_que_no =
1560 		    cpu_to_le16(cmd_sp->qpair->req->id);
1561 	else
1562 		abt_iocb->u.abt.req_que_no = cpu_to_le16(vha->req->id);
1563 
1564 	sp->done = qla24xx_abort_sp_done;
1565 
1566 	rval = qla2x00_start_sp(sp);
1567 	if (rval != QLA_SUCCESS)
1568 		goto done_free_sp;
1569 
1570 	ql_dbg(ql_dbg_async, vha, 0x507c,
1571 	    "Abort command issued - hdl=%x, target_id=%x\n",
1572 	    cmd_sp->handle, fcport->tgt_id);
1573 
1574 	wait_for_completion(&abt_iocb->u.abt.comp);
1575 
1576 	rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
1577 	    QLA_SUCCESS : QLA_FUNCTION_FAILED;
1578 
1579 done_free_sp:
1580 	sp->free(sp);
1581 done:
1582 	return rval;
1583 }
1584 
1585 int
1586 qla24xx_async_abort_command(srb_t *sp)
1587 {
1588 	unsigned long   flags = 0;
1589 
1590 	uint32_t	handle;
1591 	fc_port_t	*fcport = sp->fcport;
1592 	struct scsi_qla_host *vha = fcport->vha;
1593 	struct qla_hw_data *ha = vha->hw;
1594 	struct req_que *req = vha->req;
1595 
1596 	if (vha->flags.qpairs_available && sp->qpair)
1597 		req = sp->qpair->req;
1598 
1599 	spin_lock_irqsave(&ha->hardware_lock, flags);
1600 	for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
1601 		if (req->outstanding_cmds[handle] == sp)
1602 			break;
1603 	}
1604 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1605 	if (handle == req->num_outstanding_cmds) {
1606 		/* Command not found. */
1607 		return QLA_FUNCTION_FAILED;
1608 	}
1609 	if (sp->type == SRB_FXIOCB_DCMD)
1610 		return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1611 		    FXDISC_ABORT_IOCTL);
1612 
1613 	return qla24xx_async_abort_cmd(sp);
1614 }
1615 
1616 static void
1617 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1618 {
1619 	switch (ea->data[0]) {
1620 	case MBS_COMMAND_COMPLETE:
1621 		ql_dbg(ql_dbg_disc, vha, 0x2118,
1622 		    "%s %d %8phC post gpdb\n",
1623 		    __func__, __LINE__, ea->fcport->port_name);
1624 
1625 		ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1626 		ea->fcport->logout_on_delete = 1;
1627 		qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1628 		break;
1629 	default:
1630 		if ((ea->iop[0] == LSC_SCODE_ELS_REJECT) &&
1631 		    (ea->iop[1] == 0x50000)) {   /* reson 5=busy expl:0x0 */
1632 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1633 			ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
1634 			break;
1635 		}
1636 
1637 		if (ea->fcport->n2n_flag) {
1638 			ql_dbg(ql_dbg_disc, vha, 0x2118,
1639 				"%s %d %8phC post fc4 prli\n",
1640 				__func__, __LINE__, ea->fcport->port_name);
1641 			ea->fcport->fc4f_nvme = 0;
1642 			ea->fcport->n2n_flag = 0;
1643 			qla24xx_post_prli_work(vha, ea->fcport);
1644 		}
1645 		ql_dbg(ql_dbg_disc, vha, 0x2119,
1646 		    "%s %d %8phC unhandle event of %x\n",
1647 		    __func__, __LINE__, ea->fcport->port_name, ea->data[0]);
1648 		break;
1649 	}
1650 }
1651 
1652 static void
1653 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1654 {
1655 	port_id_t cid;	/* conflict Nport id */
1656 	u16 lid;
1657 	struct fc_port *conflict_fcport;
1658 	unsigned long flags;
1659 	struct fc_port *fcport = ea->fcport;
1660 
1661 	ql_dbg(ql_dbg_disc, vha, 0xffff,
1662 	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
1663 	    __func__, fcport->port_name, fcport->disc_state,
1664 	    fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
1665 	    ea->sp->gen2, fcport->rscn_gen|ea->sp->gen1,
1666 	    ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
1667 
1668 	if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1669 	    (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
1670 		ql_dbg(ql_dbg_disc, vha, 0x20ea,
1671 		    "%s %d %8phC Remote is trying to login\n",
1672 		    __func__, __LINE__, fcport->port_name);
1673 		return;
1674 	}
1675 
1676 	if (fcport->disc_state == DSC_DELETE_PEND)
1677 		return;
1678 
1679 	if (ea->sp->gen2 != fcport->login_gen) {
1680 		/* target side must have changed it. */
1681 		ql_dbg(ql_dbg_disc, vha, 0x20d3,
1682 		    "%s %8phC generation changed\n",
1683 		    __func__, fcport->port_name);
1684 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1685 		return;
1686 	} else if (ea->sp->gen1 != fcport->rscn_gen) {
1687 		ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
1688 		    __func__, __LINE__, fcport->port_name);
1689 		qla24xx_post_gidpn_work(vha, fcport);
1690 		return;
1691 	}
1692 
1693 	switch (ea->data[0]) {
1694 	case MBS_COMMAND_COMPLETE:
1695 		/*
1696 		 * Driver must validate login state - If PRLI not complete,
1697 		 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
1698 		 * requests.
1699 		 */
1700 		if (ea->fcport->fc4f_nvme) {
1701 			ql_dbg(ql_dbg_disc, vha, 0x2117,
1702 				"%s %d %8phC post prli\n",
1703 				__func__, __LINE__, ea->fcport->port_name);
1704 			qla24xx_post_prli_work(vha, ea->fcport);
1705 		} else {
1706 			ql_dbg(ql_dbg_disc, vha, 0x20ea,
1707 			    "%s %d %8phC LoopID 0x%x in use with %06x. post gnl\n",
1708 			    __func__, __LINE__, ea->fcport->port_name,
1709 			    ea->fcport->loop_id, ea->fcport->d_id.b24);
1710 
1711 			set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
1712 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1713 			ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1714 			ea->fcport->logout_on_delete = 1;
1715 			ea->fcport->send_els_logo = 0;
1716 			ea->fcport->fw_login_state = DSC_LS_PRLI_COMP;
1717 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1718 
1719 			qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1720 		}
1721 		break;
1722 	case MBS_COMMAND_ERROR:
1723 		ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
1724 		    __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
1725 
1726 		ea->fcport->flags &= ~FCF_ASYNC_SENT;
1727 		ea->fcport->disc_state = DSC_LOGIN_FAILED;
1728 		if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED)
1729 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1730 		else
1731 			qla2x00_mark_device_lost(vha, ea->fcport, 1, 0);
1732 		break;
1733 	case MBS_LOOP_ID_USED:
1734 		/* data[1] = IO PARAM 1 = nport ID  */
1735 		cid.b.domain = (ea->iop[1] >> 16) & 0xff;
1736 		cid.b.area   = (ea->iop[1] >>  8) & 0xff;
1737 		cid.b.al_pa  = ea->iop[1] & 0xff;
1738 		cid.b.rsvd_1 = 0;
1739 
1740 		ql_dbg(ql_dbg_disc, vha, 0x20ec,
1741 		    "%s %d %8phC LoopID 0x%x in use post gnl\n",
1742 		    __func__, __LINE__, ea->fcport->port_name,
1743 		    ea->fcport->loop_id);
1744 
1745 		if (IS_SW_RESV_ADDR(cid)) {
1746 			set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
1747 			ea->fcport->loop_id = FC_NO_LOOP_ID;
1748 		} else {
1749 			qla2x00_clear_loop_id(ea->fcport);
1750 		}
1751 		qla24xx_post_gnl_work(vha, ea->fcport);
1752 		break;
1753 	case MBS_PORT_ID_USED:
1754 		ql_dbg(ql_dbg_disc, vha, 0x20ed,
1755 		    "%s %d %8phC NPortId %02x%02x%02x inuse post gidpn\n",
1756 		    __func__, __LINE__, ea->fcport->port_name,
1757 		    ea->fcport->d_id.b.domain, ea->fcport->d_id.b.area,
1758 		    ea->fcport->d_id.b.al_pa);
1759 
1760 		lid = ea->iop[1] & 0xffff;
1761 		qlt_find_sess_invalidate_other(vha,
1762 		    wwn_to_u64(ea->fcport->port_name),
1763 		    ea->fcport->d_id, lid, &conflict_fcport);
1764 
1765 		if (conflict_fcport) {
1766 			/*
1767 			 * Another fcport share the same loop_id/nport id.
1768 			 * Conflict fcport needs to finish cleanup before this
1769 			 * fcport can proceed to login.
1770 			 */
1771 			conflict_fcport->conflict = ea->fcport;
1772 			ea->fcport->login_pause = 1;
1773 
1774 			ql_dbg(ql_dbg_disc, vha, 0x20ed,
1775 			    "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
1776 			    __func__, __LINE__, ea->fcport->port_name,
1777 			    ea->fcport->d_id.b24, lid);
1778 			qla2x00_clear_loop_id(ea->fcport);
1779 			qla24xx_post_gidpn_work(vha, ea->fcport);
1780 		} else {
1781 			ql_dbg(ql_dbg_disc, vha, 0x20ed,
1782 			    "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
1783 			    __func__, __LINE__, ea->fcport->port_name,
1784 			    ea->fcport->d_id.b24, lid);
1785 
1786 			qla2x00_clear_loop_id(ea->fcport);
1787 			set_bit(lid, vha->hw->loop_id_map);
1788 			ea->fcport->loop_id = lid;
1789 			ea->fcport->keep_nport_handle = 0;
1790 			qlt_schedule_sess_for_deletion(ea->fcport);
1791 		}
1792 		break;
1793 	}
1794 	return;
1795 }
1796 
1797 void
1798 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
1799     uint16_t *data)
1800 {
1801 	qla2x00_mark_device_lost(vha, fcport, 1, 0);
1802 	qlt_logo_completion_handler(fcport, data[0]);
1803 	fcport->login_gen++;
1804 	fcport->flags &= ~FCF_ASYNC_ACTIVE;
1805 	return;
1806 }
1807 
1808 void
1809 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
1810     uint16_t *data)
1811 {
1812 	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1813 	if (data[0] == MBS_COMMAND_COMPLETE) {
1814 		qla2x00_update_fcport(vha, fcport);
1815 
1816 		return;
1817 	}
1818 
1819 	/* Retry login. */
1820 	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
1821 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1822 	else
1823 		qla2x00_mark_device_lost(vha, fcport, 1, 0);
1824 
1825 	return;
1826 }
1827 
1828 /****************************************************************************/
1829 /*                QLogic ISP2x00 Hardware Support Functions.                */
1830 /****************************************************************************/
1831 
1832 static int
1833 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
1834 {
1835 	int rval = QLA_SUCCESS;
1836 	struct qla_hw_data *ha = vha->hw;
1837 	uint32_t idc_major_ver, idc_minor_ver;
1838 	uint16_t config[4];
1839 
1840 	qla83xx_idc_lock(vha, 0);
1841 
1842 	/* SV: TODO: Assign initialization timeout from
1843 	 * flash-info / other param
1844 	 */
1845 	ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
1846 	ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
1847 
1848 	/* Set our fcoe function presence */
1849 	if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
1850 		ql_dbg(ql_dbg_p3p, vha, 0xb077,
1851 		    "Error while setting DRV-Presence.\n");
1852 		rval = QLA_FUNCTION_FAILED;
1853 		goto exit;
1854 	}
1855 
1856 	/* Decide the reset ownership */
1857 	qla83xx_reset_ownership(vha);
1858 
1859 	/*
1860 	 * On first protocol driver load:
1861 	 * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
1862 	 * register.
1863 	 * Others: Check compatibility with current IDC Major version.
1864 	 */
1865 	qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
1866 	if (ha->flags.nic_core_reset_owner) {
1867 		/* Set IDC Major version */
1868 		idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
1869 		qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
1870 
1871 		/* Clearing IDC-Lock-Recovery register */
1872 		qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
1873 	} else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
1874 		/*
1875 		 * Clear further IDC participation if we are not compatible with
1876 		 * the current IDC Major Version.
1877 		 */
1878 		ql_log(ql_log_warn, vha, 0xb07d,
1879 		    "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
1880 		    idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
1881 		__qla83xx_clear_drv_presence(vha);
1882 		rval = QLA_FUNCTION_FAILED;
1883 		goto exit;
1884 	}
1885 	/* Each function sets its supported Minor version. */
1886 	qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
1887 	idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
1888 	qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
1889 
1890 	if (ha->flags.nic_core_reset_owner) {
1891 		memset(config, 0, sizeof(config));
1892 		if (!qla81xx_get_port_config(vha, config))
1893 			qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
1894 			    QLA8XXX_DEV_READY);
1895 	}
1896 
1897 	rval = qla83xx_idc_state_handler(vha);
1898 
1899 exit:
1900 	qla83xx_idc_unlock(vha, 0);
1901 
1902 	return rval;
1903 }
1904 
1905 /*
1906 * qla2x00_initialize_adapter
1907 *      Initialize board.
1908 *
1909 * Input:
1910 *      ha = adapter block pointer.
1911 *
1912 * Returns:
1913 *      0 = success
1914 */
1915 int
1916 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
1917 {
1918 	int	rval;
1919 	struct qla_hw_data *ha = vha->hw;
1920 	struct req_que *req = ha->req_q_map[0];
1921 
1922 	memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
1923 	memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1924 
1925 	/* Clear adapter flags. */
1926 	vha->flags.online = 0;
1927 	ha->flags.chip_reset_done = 0;
1928 	vha->flags.reset_active = 0;
1929 	ha->flags.pci_channel_io_perm_failure = 0;
1930 	ha->flags.eeh_busy = 0;
1931 	vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1932 	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1933 	atomic_set(&vha->loop_state, LOOP_DOWN);
1934 	vha->device_flags = DFLG_NO_CABLE;
1935 	vha->dpc_flags = 0;
1936 	vha->flags.management_server_logged_in = 0;
1937 	vha->marker_needed = 0;
1938 	ha->isp_abort_cnt = 0;
1939 	ha->beacon_blink_led = 0;
1940 
1941 	set_bit(0, ha->req_qid_map);
1942 	set_bit(0, ha->rsp_qid_map);
1943 
1944 	ql_dbg(ql_dbg_init, vha, 0x0040,
1945 	    "Configuring PCI space...\n");
1946 	rval = ha->isp_ops->pci_config(vha);
1947 	if (rval) {
1948 		ql_log(ql_log_warn, vha, 0x0044,
1949 		    "Unable to configure PCI space.\n");
1950 		return (rval);
1951 	}
1952 
1953 	ha->isp_ops->reset_chip(vha);
1954 
1955 	rval = qla2xxx_get_flash_info(vha);
1956 	if (rval) {
1957 		ql_log(ql_log_fatal, vha, 0x004f,
1958 		    "Unable to validate FLASH data.\n");
1959 		return rval;
1960 	}
1961 
1962 	if (IS_QLA8044(ha)) {
1963 		qla8044_read_reset_template(vha);
1964 
1965 		/* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
1966 		 * If DONRESET_BIT0 is set, drivers should not set dev_state
1967 		 * to NEED_RESET. But if NEED_RESET is set, drivers should
1968 		 * should honor the reset. */
1969 		if (ql2xdontresethba == 1)
1970 			qla8044_set_idc_dontreset(vha);
1971 	}
1972 
1973 	ha->isp_ops->get_flash_version(vha, req->ring);
1974 	ql_dbg(ql_dbg_init, vha, 0x0061,
1975 	    "Configure NVRAM parameters...\n");
1976 
1977 	ha->isp_ops->nvram_config(vha);
1978 
1979 	if (ha->flags.disable_serdes) {
1980 		/* Mask HBA via NVRAM settings? */
1981 		ql_log(ql_log_info, vha, 0x0077,
1982 		    "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
1983 		return QLA_FUNCTION_FAILED;
1984 	}
1985 
1986 	ql_dbg(ql_dbg_init, vha, 0x0078,
1987 	    "Verifying loaded RISC code...\n");
1988 
1989 	if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
1990 		rval = ha->isp_ops->chip_diag(vha);
1991 		if (rval)
1992 			return (rval);
1993 		rval = qla2x00_setup_chip(vha);
1994 		if (rval)
1995 			return (rval);
1996 	}
1997 
1998 	if (IS_QLA84XX(ha)) {
1999 		ha->cs84xx = qla84xx_get_chip(vha);
2000 		if (!ha->cs84xx) {
2001 			ql_log(ql_log_warn, vha, 0x00d0,
2002 			    "Unable to configure ISP84XX.\n");
2003 			return QLA_FUNCTION_FAILED;
2004 		}
2005 	}
2006 
2007 	if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2008 		rval = qla2x00_init_rings(vha);
2009 
2010 	ha->flags.chip_reset_done = 1;
2011 
2012 	if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2013 		/* Issue verify 84xx FW IOCB to complete 84xx initialization */
2014 		rval = qla84xx_init_chip(vha);
2015 		if (rval != QLA_SUCCESS) {
2016 			ql_log(ql_log_warn, vha, 0x00d4,
2017 			    "Unable to initialize ISP84XX.\n");
2018 			qla84xx_put_chip(vha);
2019 		}
2020 	}
2021 
2022 	/* Load the NIC Core f/w if we are the first protocol driver. */
2023 	if (IS_QLA8031(ha)) {
2024 		rval = qla83xx_nic_core_fw_load(vha);
2025 		if (rval)
2026 			ql_log(ql_log_warn, vha, 0x0124,
2027 			    "Error in initializing NIC Core f/w.\n");
2028 	}
2029 
2030 	if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
2031 		qla24xx_read_fcp_prio_cfg(vha);
2032 
2033 	if (IS_P3P_TYPE(ha))
2034 		qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
2035 	else
2036 		qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
2037 
2038 	return (rval);
2039 }
2040 
2041 /**
2042  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2043  * @vha: HA context
2044  *
2045  * Returns 0 on success.
2046  */
2047 int
2048 qla2100_pci_config(scsi_qla_host_t *vha)
2049 {
2050 	uint16_t w;
2051 	unsigned long flags;
2052 	struct qla_hw_data *ha = vha->hw;
2053 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2054 
2055 	pci_set_master(ha->pdev);
2056 	pci_try_set_mwi(ha->pdev);
2057 
2058 	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2059 	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2060 	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2061 
2062 	pci_disable_rom(ha->pdev);
2063 
2064 	/* Get PCI bus information. */
2065 	spin_lock_irqsave(&ha->hardware_lock, flags);
2066 	ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
2067 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2068 
2069 	return QLA_SUCCESS;
2070 }
2071 
2072 /**
2073  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2074  * @vha: HA context
2075  *
2076  * Returns 0 on success.
2077  */
2078 int
2079 qla2300_pci_config(scsi_qla_host_t *vha)
2080 {
2081 	uint16_t	w;
2082 	unsigned long   flags = 0;
2083 	uint32_t	cnt;
2084 	struct qla_hw_data *ha = vha->hw;
2085 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2086 
2087 	pci_set_master(ha->pdev);
2088 	pci_try_set_mwi(ha->pdev);
2089 
2090 	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2091 	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2092 
2093 	if (IS_QLA2322(ha) || IS_QLA6322(ha))
2094 		w &= ~PCI_COMMAND_INTX_DISABLE;
2095 	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2096 
2097 	/*
2098 	 * If this is a 2300 card and not 2312, reset the
2099 	 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
2100 	 * the 2310 also reports itself as a 2300 so we need to get the
2101 	 * fb revision level -- a 6 indicates it really is a 2300 and
2102 	 * not a 2310.
2103 	 */
2104 	if (IS_QLA2300(ha)) {
2105 		spin_lock_irqsave(&ha->hardware_lock, flags);
2106 
2107 		/* Pause RISC. */
2108 		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2109 		for (cnt = 0; cnt < 30000; cnt++) {
2110 			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2111 				break;
2112 
2113 			udelay(10);
2114 		}
2115 
2116 		/* Select FPM registers. */
2117 		WRT_REG_WORD(&reg->ctrl_status, 0x20);
2118 		RD_REG_WORD(&reg->ctrl_status);
2119 
2120 		/* Get the fb rev level */
2121 		ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2122 
2123 		if (ha->fb_rev == FPM_2300)
2124 			pci_clear_mwi(ha->pdev);
2125 
2126 		/* Deselect FPM registers. */
2127 		WRT_REG_WORD(&reg->ctrl_status, 0x0);
2128 		RD_REG_WORD(&reg->ctrl_status);
2129 
2130 		/* Release RISC module. */
2131 		WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2132 		for (cnt = 0; cnt < 30000; cnt++) {
2133 			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2134 				break;
2135 
2136 			udelay(10);
2137 		}
2138 
2139 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
2140 	}
2141 
2142 	pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2143 
2144 	pci_disable_rom(ha->pdev);
2145 
2146 	/* Get PCI bus information. */
2147 	spin_lock_irqsave(&ha->hardware_lock, flags);
2148 	ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
2149 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2150 
2151 	return QLA_SUCCESS;
2152 }
2153 
2154 /**
2155  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2156  * @vha: HA context
2157  *
2158  * Returns 0 on success.
2159  */
2160 int
2161 qla24xx_pci_config(scsi_qla_host_t *vha)
2162 {
2163 	uint16_t w;
2164 	unsigned long flags = 0;
2165 	struct qla_hw_data *ha = vha->hw;
2166 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2167 
2168 	pci_set_master(ha->pdev);
2169 	pci_try_set_mwi(ha->pdev);
2170 
2171 	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2172 	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2173 	w &= ~PCI_COMMAND_INTX_DISABLE;
2174 	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2175 
2176 	pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2177 
2178 	/* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
2179 	if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
2180 		pcix_set_mmrbc(ha->pdev, 2048);
2181 
2182 	/* PCIe -- adjust Maximum Read Request Size (2048). */
2183 	if (pci_is_pcie(ha->pdev))
2184 		pcie_set_readrq(ha->pdev, 4096);
2185 
2186 	pci_disable_rom(ha->pdev);
2187 
2188 	ha->chip_revision = ha->pdev->revision;
2189 
2190 	/* Get PCI bus information. */
2191 	spin_lock_irqsave(&ha->hardware_lock, flags);
2192 	ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
2193 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2194 
2195 	return QLA_SUCCESS;
2196 }
2197 
2198 /**
2199  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
2200  * @vha: HA context
2201  *
2202  * Returns 0 on success.
2203  */
2204 int
2205 qla25xx_pci_config(scsi_qla_host_t *vha)
2206 {
2207 	uint16_t w;
2208 	struct qla_hw_data *ha = vha->hw;
2209 
2210 	pci_set_master(ha->pdev);
2211 	pci_try_set_mwi(ha->pdev);
2212 
2213 	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2214 	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2215 	w &= ~PCI_COMMAND_INTX_DISABLE;
2216 	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2217 
2218 	/* PCIe -- adjust Maximum Read Request Size (2048). */
2219 	if (pci_is_pcie(ha->pdev))
2220 		pcie_set_readrq(ha->pdev, 4096);
2221 
2222 	pci_disable_rom(ha->pdev);
2223 
2224 	ha->chip_revision = ha->pdev->revision;
2225 
2226 	return QLA_SUCCESS;
2227 }
2228 
2229 /**
2230  * qla2x00_isp_firmware() - Choose firmware image.
2231  * @vha: HA context
2232  *
2233  * Returns 0 on success.
2234  */
2235 static int
2236 qla2x00_isp_firmware(scsi_qla_host_t *vha)
2237 {
2238 	int  rval;
2239 	uint16_t loop_id, topo, sw_cap;
2240 	uint8_t domain, area, al_pa;
2241 	struct qla_hw_data *ha = vha->hw;
2242 
2243 	/* Assume loading risc code */
2244 	rval = QLA_FUNCTION_FAILED;
2245 
2246 	if (ha->flags.disable_risc_code_load) {
2247 		ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
2248 
2249 		/* Verify checksum of loaded RISC code. */
2250 		rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
2251 		if (rval == QLA_SUCCESS) {
2252 			/* And, verify we are not in ROM code. */
2253 			rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2254 			    &area, &domain, &topo, &sw_cap);
2255 		}
2256 	}
2257 
2258 	if (rval)
2259 		ql_dbg(ql_dbg_init, vha, 0x007a,
2260 		    "**** Load RISC code ****.\n");
2261 
2262 	return (rval);
2263 }
2264 
2265 /**
2266  * qla2x00_reset_chip() - Reset ISP chip.
2267  * @vha: HA context
2268  *
2269  * Returns 0 on success.
2270  */
2271 void
2272 qla2x00_reset_chip(scsi_qla_host_t *vha)
2273 {
2274 	unsigned long   flags = 0;
2275 	struct qla_hw_data *ha = vha->hw;
2276 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2277 	uint32_t	cnt;
2278 	uint16_t	cmd;
2279 
2280 	if (unlikely(pci_channel_offline(ha->pdev)))
2281 		return;
2282 
2283 	ha->isp_ops->disable_intrs(ha);
2284 
2285 	spin_lock_irqsave(&ha->hardware_lock, flags);
2286 
2287 	/* Turn off master enable */
2288 	cmd = 0;
2289 	pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
2290 	cmd &= ~PCI_COMMAND_MASTER;
2291 	pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2292 
2293 	if (!IS_QLA2100(ha)) {
2294 		/* Pause RISC. */
2295 		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2296 		if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
2297 			for (cnt = 0; cnt < 30000; cnt++) {
2298 				if ((RD_REG_WORD(&reg->hccr) &
2299 				    HCCR_RISC_PAUSE) != 0)
2300 					break;
2301 				udelay(100);
2302 			}
2303 		} else {
2304 			RD_REG_WORD(&reg->hccr);	/* PCI Posting. */
2305 			udelay(10);
2306 		}
2307 
2308 		/* Select FPM registers. */
2309 		WRT_REG_WORD(&reg->ctrl_status, 0x20);
2310 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2311 
2312 		/* FPM Soft Reset. */
2313 		WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
2314 		RD_REG_WORD(&reg->fpm_diag_config);	/* PCI Posting. */
2315 
2316 		/* Toggle Fpm Reset. */
2317 		if (!IS_QLA2200(ha)) {
2318 			WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
2319 			RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
2320 		}
2321 
2322 		/* Select frame buffer registers. */
2323 		WRT_REG_WORD(&reg->ctrl_status, 0x10);
2324 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2325 
2326 		/* Reset frame buffer FIFOs. */
2327 		if (IS_QLA2200(ha)) {
2328 			WRT_FB_CMD_REG(ha, reg, 0xa000);
2329 			RD_FB_CMD_REG(ha, reg);		/* PCI Posting. */
2330 		} else {
2331 			WRT_FB_CMD_REG(ha, reg, 0x00fc);
2332 
2333 			/* Read back fb_cmd until zero or 3 seconds max */
2334 			for (cnt = 0; cnt < 3000; cnt++) {
2335 				if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
2336 					break;
2337 				udelay(100);
2338 			}
2339 		}
2340 
2341 		/* Select RISC module registers. */
2342 		WRT_REG_WORD(&reg->ctrl_status, 0);
2343 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2344 
2345 		/* Reset RISC processor. */
2346 		WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2347 		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
2348 
2349 		/* Release RISC processor. */
2350 		WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2351 		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
2352 	}
2353 
2354 	WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
2355 	WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
2356 
2357 	/* Reset ISP chip. */
2358 	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2359 
2360 	/* Wait for RISC to recover from reset. */
2361 	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2362 		/*
2363 		 * It is necessary to for a delay here since the card doesn't
2364 		 * respond to PCI reads during a reset. On some architectures
2365 		 * this will result in an MCA.
2366 		 */
2367 		udelay(20);
2368 		for (cnt = 30000; cnt; cnt--) {
2369 			if ((RD_REG_WORD(&reg->ctrl_status) &
2370 			    CSR_ISP_SOFT_RESET) == 0)
2371 				break;
2372 			udelay(100);
2373 		}
2374 	} else
2375 		udelay(10);
2376 
2377 	/* Reset RISC processor. */
2378 	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2379 
2380 	WRT_REG_WORD(&reg->semaphore, 0);
2381 
2382 	/* Release RISC processor. */
2383 	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2384 	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
2385 
2386 	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2387 		for (cnt = 0; cnt < 30000; cnt++) {
2388 			if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
2389 				break;
2390 
2391 			udelay(100);
2392 		}
2393 	} else
2394 		udelay(100);
2395 
2396 	/* Turn on master enable */
2397 	cmd |= PCI_COMMAND_MASTER;
2398 	pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2399 
2400 	/* Disable RISC pause on FPM parity error. */
2401 	if (!IS_QLA2100(ha)) {
2402 		WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
2403 		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
2404 	}
2405 
2406 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2407 }
2408 
2409 /**
2410  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2411  * @vha: HA context
2412  *
2413  * Returns 0 on success.
2414  */
2415 static int
2416 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2417 {
2418 	uint16_t mb[4] = {0x1010, 0, 1, 0};
2419 
2420 	if (!IS_QLA81XX(vha->hw))
2421 		return QLA_SUCCESS;
2422 
2423 	return qla81xx_write_mpi_register(vha, mb);
2424 }
2425 
2426 /**
2427  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2428  * @vha: HA context
2429  *
2430  * Returns 0 on success.
2431  */
2432 static inline int
2433 qla24xx_reset_risc(scsi_qla_host_t *vha)
2434 {
2435 	unsigned long flags = 0;
2436 	struct qla_hw_data *ha = vha->hw;
2437 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2438 	uint32_t cnt;
2439 	uint16_t wd;
2440 	static int abts_cnt; /* ISP abort retry counts */
2441 	int rval = QLA_SUCCESS;
2442 
2443 	spin_lock_irqsave(&ha->hardware_lock, flags);
2444 
2445 	/* Reset RISC. */
2446 	WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2447 	for (cnt = 0; cnt < 30000; cnt++) {
2448 		if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
2449 			break;
2450 
2451 		udelay(10);
2452 	}
2453 
2454 	if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
2455 		set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
2456 
2457 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
2458 	    "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
2459 	    RD_REG_DWORD(&reg->hccr),
2460 	    RD_REG_DWORD(&reg->ctrl_status),
2461 	    (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
2462 
2463 	WRT_REG_DWORD(&reg->ctrl_status,
2464 	    CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2465 	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2466 
2467 	udelay(100);
2468 
2469 	/* Wait for firmware to complete NVRAM accesses. */
2470 	RD_REG_WORD(&reg->mailbox0);
2471 	for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
2472 	    rval == QLA_SUCCESS; cnt--) {
2473 		barrier();
2474 		if (cnt)
2475 			udelay(5);
2476 		else
2477 			rval = QLA_FUNCTION_TIMEOUT;
2478 	}
2479 
2480 	if (rval == QLA_SUCCESS)
2481 		set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
2482 
2483 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
2484 	    "HCCR: 0x%x, MailBox0 Status 0x%x\n",
2485 	    RD_REG_DWORD(&reg->hccr),
2486 	    RD_REG_DWORD(&reg->mailbox0));
2487 
2488 	/* Wait for soft-reset to complete. */
2489 	RD_REG_DWORD(&reg->ctrl_status);
2490 	for (cnt = 0; cnt < 60; cnt++) {
2491 		barrier();
2492 		if ((RD_REG_DWORD(&reg->ctrl_status) &
2493 		    CSRX_ISP_SOFT_RESET) == 0)
2494 			break;
2495 
2496 		udelay(5);
2497 	}
2498 	if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
2499 		set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
2500 
2501 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
2502 	    "HCCR: 0x%x, Soft Reset status: 0x%x\n",
2503 	    RD_REG_DWORD(&reg->hccr),
2504 	    RD_REG_DWORD(&reg->ctrl_status));
2505 
2506 	/* If required, do an MPI FW reset now */
2507 	if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
2508 		if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
2509 			if (++abts_cnt < 5) {
2510 				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2511 				set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
2512 			} else {
2513 				/*
2514 				 * We exhausted the ISP abort retries. We have to
2515 				 * set the board offline.
2516 				 */
2517 				abts_cnt = 0;
2518 				vha->flags.online = 0;
2519 			}
2520 		}
2521 	}
2522 
2523 	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
2524 	RD_REG_DWORD(&reg->hccr);
2525 
2526 	WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2527 	RD_REG_DWORD(&reg->hccr);
2528 
2529 	WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
2530 	RD_REG_DWORD(&reg->hccr);
2531 
2532 	RD_REG_WORD(&reg->mailbox0);
2533 	for (cnt = 60; RD_REG_WORD(&reg->mailbox0) != 0 &&
2534 	    rval == QLA_SUCCESS; cnt--) {
2535 		barrier();
2536 		if (cnt)
2537 			udelay(5);
2538 		else
2539 			rval = QLA_FUNCTION_TIMEOUT;
2540 	}
2541 	if (rval == QLA_SUCCESS)
2542 		set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2543 
2544 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
2545 	    "Host Risc 0x%x, mailbox0 0x%x\n",
2546 	    RD_REG_DWORD(&reg->hccr),
2547 	     RD_REG_WORD(&reg->mailbox0));
2548 
2549 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2550 
2551 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
2552 	    "Driver in %s mode\n",
2553 	    IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
2554 
2555 	if (IS_NOPOLLING_TYPE(ha))
2556 		ha->isp_ops->enable_intrs(ha);
2557 
2558 	return rval;
2559 }
2560 
2561 static void
2562 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
2563 {
2564 	struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2565 
2566 	WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2567 	*data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
2568 
2569 }
2570 
2571 static void
2572 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
2573 {
2574 	struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2575 
2576 	WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2577 	WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
2578 }
2579 
2580 static void
2581 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
2582 {
2583 	uint32_t wd32 = 0;
2584 	uint delta_msec = 100;
2585 	uint elapsed_msec = 0;
2586 	uint timeout_msec;
2587 	ulong n;
2588 
2589 	if (vha->hw->pdev->subsystem_device != 0x0175 &&
2590 	    vha->hw->pdev->subsystem_device != 0x0240)
2591 		return;
2592 
2593 	WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
2594 	udelay(100);
2595 
2596 attempt:
2597 	timeout_msec = TIMEOUT_SEMAPHORE;
2598 	n = timeout_msec / delta_msec;
2599 	while (n--) {
2600 		qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
2601 		qla25xx_read_risc_sema_reg(vha, &wd32);
2602 		if (wd32 & RISC_SEMAPHORE)
2603 			break;
2604 		msleep(delta_msec);
2605 		elapsed_msec += delta_msec;
2606 		if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2607 			goto force;
2608 	}
2609 
2610 	if (!(wd32 & RISC_SEMAPHORE))
2611 		goto force;
2612 
2613 	if (!(wd32 & RISC_SEMAPHORE_FORCE))
2614 		goto acquired;
2615 
2616 	qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
2617 	timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
2618 	n = timeout_msec / delta_msec;
2619 	while (n--) {
2620 		qla25xx_read_risc_sema_reg(vha, &wd32);
2621 		if (!(wd32 & RISC_SEMAPHORE_FORCE))
2622 			break;
2623 		msleep(delta_msec);
2624 		elapsed_msec += delta_msec;
2625 		if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2626 			goto force;
2627 	}
2628 
2629 	if (wd32 & RISC_SEMAPHORE_FORCE)
2630 		qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
2631 
2632 	goto attempt;
2633 
2634 force:
2635 	qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
2636 
2637 acquired:
2638 	return;
2639 }
2640 
2641 /**
2642  * qla24xx_reset_chip() - Reset ISP24xx chip.
2643  * @vha: HA context
2644  *
2645  * Returns 0 on success.
2646  */
2647 void
2648 qla24xx_reset_chip(scsi_qla_host_t *vha)
2649 {
2650 	struct qla_hw_data *ha = vha->hw;
2651 
2652 	if (pci_channel_offline(ha->pdev) &&
2653 	    ha->flags.pci_channel_io_perm_failure) {
2654 		return;
2655 	}
2656 
2657 	ha->isp_ops->disable_intrs(ha);
2658 
2659 	qla25xx_manipulate_risc_semaphore(vha);
2660 
2661 	/* Perform RISC reset. */
2662 	qla24xx_reset_risc(vha);
2663 }
2664 
2665 /**
2666  * qla2x00_chip_diag() - Test chip for proper operation.
2667  * @vha: HA context
2668  *
2669  * Returns 0 on success.
2670  */
2671 int
2672 qla2x00_chip_diag(scsi_qla_host_t *vha)
2673 {
2674 	int		rval;
2675 	struct qla_hw_data *ha = vha->hw;
2676 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2677 	unsigned long	flags = 0;
2678 	uint16_t	data;
2679 	uint32_t	cnt;
2680 	uint16_t	mb[5];
2681 	struct req_que *req = ha->req_q_map[0];
2682 
2683 	/* Assume a failed state */
2684 	rval = QLA_FUNCTION_FAILED;
2685 
2686 	ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
2687 	       &reg->flash_address);
2688 
2689 	spin_lock_irqsave(&ha->hardware_lock, flags);
2690 
2691 	/* Reset ISP chip. */
2692 	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2693 
2694 	/*
2695 	 * We need to have a delay here since the card will not respond while
2696 	 * in reset causing an MCA on some architectures.
2697 	 */
2698 	udelay(20);
2699 	data = qla2x00_debounce_register(&reg->ctrl_status);
2700 	for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
2701 		udelay(5);
2702 		data = RD_REG_WORD(&reg->ctrl_status);
2703 		barrier();
2704 	}
2705 
2706 	if (!cnt)
2707 		goto chip_diag_failed;
2708 
2709 	ql_dbg(ql_dbg_init, vha, 0x007c,
2710 	    "Reset register cleared by chip reset.\n");
2711 
2712 	/* Reset RISC processor. */
2713 	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2714 	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2715 
2716 	/* Workaround for QLA2312 PCI parity error */
2717 	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2718 		data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
2719 		for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
2720 			udelay(5);
2721 			data = RD_MAILBOX_REG(ha, reg, 0);
2722 			barrier();
2723 		}
2724 	} else
2725 		udelay(10);
2726 
2727 	if (!cnt)
2728 		goto chip_diag_failed;
2729 
2730 	/* Check product ID of chip */
2731 	ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
2732 
2733 	mb[1] = RD_MAILBOX_REG(ha, reg, 1);
2734 	mb[2] = RD_MAILBOX_REG(ha, reg, 2);
2735 	mb[3] = RD_MAILBOX_REG(ha, reg, 3);
2736 	mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
2737 	if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
2738 	    mb[3] != PROD_ID_3) {
2739 		ql_log(ql_log_warn, vha, 0x0062,
2740 		    "Wrong product ID = 0x%x,0x%x,0x%x.\n",
2741 		    mb[1], mb[2], mb[3]);
2742 
2743 		goto chip_diag_failed;
2744 	}
2745 	ha->product_id[0] = mb[1];
2746 	ha->product_id[1] = mb[2];
2747 	ha->product_id[2] = mb[3];
2748 	ha->product_id[3] = mb[4];
2749 
2750 	/* Adjust fw RISC transfer size */
2751 	if (req->length > 1024)
2752 		ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
2753 	else
2754 		ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
2755 		    req->length;
2756 
2757 	if (IS_QLA2200(ha) &&
2758 	    RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
2759 		/* Limit firmware transfer size with a 2200A */
2760 		ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
2761 
2762 		ha->device_type |= DT_ISP2200A;
2763 		ha->fw_transfer_size = 128;
2764 	}
2765 
2766 	/* Wrap Incoming Mailboxes Test. */
2767 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2768 
2769 	ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
2770 	rval = qla2x00_mbx_reg_test(vha);
2771 	if (rval)
2772 		ql_log(ql_log_warn, vha, 0x0080,
2773 		    "Failed mailbox send register test.\n");
2774 	else
2775 		/* Flag a successful rval */
2776 		rval = QLA_SUCCESS;
2777 	spin_lock_irqsave(&ha->hardware_lock, flags);
2778 
2779 chip_diag_failed:
2780 	if (rval)
2781 		ql_log(ql_log_info, vha, 0x0081,
2782 		    "Chip diagnostics **** FAILED ****.\n");
2783 
2784 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2785 
2786 	return (rval);
2787 }
2788 
2789 /**
2790  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
2791  * @vha: HA context
2792  *
2793  * Returns 0 on success.
2794  */
2795 int
2796 qla24xx_chip_diag(scsi_qla_host_t *vha)
2797 {
2798 	int rval;
2799 	struct qla_hw_data *ha = vha->hw;
2800 	struct req_que *req = ha->req_q_map[0];
2801 
2802 	if (IS_P3P_TYPE(ha))
2803 		return QLA_SUCCESS;
2804 
2805 	ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
2806 
2807 	rval = qla2x00_mbx_reg_test(vha);
2808 	if (rval) {
2809 		ql_log(ql_log_warn, vha, 0x0082,
2810 		    "Failed mailbox send register test.\n");
2811 	} else {
2812 		/* Flag a successful rval */
2813 		rval = QLA_SUCCESS;
2814 	}
2815 
2816 	return rval;
2817 }
2818 
2819 static void
2820 qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
2821 {
2822 	int rval;
2823 	dma_addr_t tc_dma;
2824 	void *tc;
2825 	struct qla_hw_data *ha = vha->hw;
2826 
2827 	if (ha->eft) {
2828 		ql_dbg(ql_dbg_init, vha, 0x00bd,
2829 		    "%s: Offload Mem is already allocated.\n",
2830 		    __func__);
2831 		return;
2832 	}
2833 
2834 	if (IS_FWI2_CAPABLE(ha)) {
2835 		/* Allocate memory for Fibre Channel Event Buffer. */
2836 		if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2837 		    !IS_QLA27XX(ha))
2838 			goto try_eft;
2839 
2840 		if (ha->fce)
2841 			dma_free_coherent(&ha->pdev->dev,
2842 			    FCE_SIZE, ha->fce, ha->fce_dma);
2843 
2844 		/* Allocate memory for Fibre Channel Event Buffer. */
2845 		tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
2846 					 GFP_KERNEL);
2847 		if (!tc) {
2848 			ql_log(ql_log_warn, vha, 0x00be,
2849 			    "Unable to allocate (%d KB) for FCE.\n",
2850 			    FCE_SIZE / 1024);
2851 			goto try_eft;
2852 		}
2853 
2854 		rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
2855 		    ha->fce_mb, &ha->fce_bufs);
2856 		if (rval) {
2857 			ql_log(ql_log_warn, vha, 0x00bf,
2858 			    "Unable to initialize FCE (%d).\n", rval);
2859 			dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
2860 			    tc_dma);
2861 			ha->flags.fce_enabled = 0;
2862 			goto try_eft;
2863 		}
2864 		ql_dbg(ql_dbg_init, vha, 0x00c0,
2865 		    "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
2866 
2867 		ha->flags.fce_enabled = 1;
2868 		ha->fce_dma = tc_dma;
2869 		ha->fce = tc;
2870 
2871 try_eft:
2872 		if (ha->eft)
2873 			dma_free_coherent(&ha->pdev->dev,
2874 			    EFT_SIZE, ha->eft, ha->eft_dma);
2875 
2876 		/* Allocate memory for Extended Trace Buffer. */
2877 		tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
2878 					 GFP_KERNEL);
2879 		if (!tc) {
2880 			ql_log(ql_log_warn, vha, 0x00c1,
2881 			    "Unable to allocate (%d KB) for EFT.\n",
2882 			    EFT_SIZE / 1024);
2883 			goto eft_err;
2884 		}
2885 
2886 		rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
2887 		if (rval) {
2888 			ql_log(ql_log_warn, vha, 0x00c2,
2889 			    "Unable to initialize EFT (%d).\n", rval);
2890 			dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
2891 			    tc_dma);
2892 			goto eft_err;
2893 		}
2894 		ql_dbg(ql_dbg_init, vha, 0x00c3,
2895 		    "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
2896 
2897 		ha->eft_dma = tc_dma;
2898 		ha->eft = tc;
2899 	}
2900 
2901 eft_err:
2902 	return;
2903 }
2904 
2905 void
2906 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
2907 {
2908 	uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
2909 	    eft_size, fce_size, mq_size;
2910 	struct qla_hw_data *ha = vha->hw;
2911 	struct req_que *req = ha->req_q_map[0];
2912 	struct rsp_que *rsp = ha->rsp_q_map[0];
2913 	struct qla2xxx_fw_dump *fw_dump;
2914 
2915 	dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
2916 	req_q_size = rsp_q_size = 0;
2917 
2918 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2919 		fixed_size = sizeof(struct qla2100_fw_dump);
2920 	} else if (IS_QLA23XX(ha)) {
2921 		fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
2922 		mem_size = (ha->fw_memory_size - 0x11000 + 1) *
2923 		    sizeof(uint16_t);
2924 	} else if (IS_FWI2_CAPABLE(ha)) {
2925 		if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
2926 			fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
2927 		else if (IS_QLA81XX(ha))
2928 			fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
2929 		else if (IS_QLA25XX(ha))
2930 			fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
2931 		else
2932 			fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
2933 
2934 		mem_size = (ha->fw_memory_size - 0x100000 + 1) *
2935 		    sizeof(uint32_t);
2936 		if (ha->mqenable) {
2937 			if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
2938 				mq_size = sizeof(struct qla2xxx_mq_chain);
2939 			/*
2940 			 * Allocate maximum buffer size for all queues.
2941 			 * Resizing must be done at end-of-dump processing.
2942 			 */
2943 			mq_size += ha->max_req_queues *
2944 			    (req->length * sizeof(request_t));
2945 			mq_size += ha->max_rsp_queues *
2946 			    (rsp->length * sizeof(response_t));
2947 		}
2948 		if (ha->tgt.atio_ring)
2949 			mq_size += ha->tgt.atio_q_length * sizeof(request_t);
2950 		/* Allocate memory for Fibre Channel Event Buffer. */
2951 		if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2952 		    !IS_QLA27XX(ha))
2953 			goto try_eft;
2954 
2955 		fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
2956 try_eft:
2957 		ql_dbg(ql_dbg_init, vha, 0x00c3,
2958 		    "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
2959 		eft_size = EFT_SIZE;
2960 	}
2961 
2962 	if (IS_QLA27XX(ha)) {
2963 		if (!ha->fw_dump_template) {
2964 			ql_log(ql_log_warn, vha, 0x00ba,
2965 			    "Failed missing fwdump template\n");
2966 			return;
2967 		}
2968 		dump_size = qla27xx_fwdt_calculate_dump_size(vha);
2969 		ql_dbg(ql_dbg_init, vha, 0x00fa,
2970 		    "-> allocating fwdump (%x bytes)...\n", dump_size);
2971 		goto allocate;
2972 	}
2973 
2974 	req_q_size = req->length * sizeof(request_t);
2975 	rsp_q_size = rsp->length * sizeof(response_t);
2976 	dump_size = offsetof(struct qla2xxx_fw_dump, isp);
2977 	dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
2978 	ha->chain_offset = dump_size;
2979 	dump_size += mq_size + fce_size;
2980 
2981 	if (ha->exchoffld_buf)
2982 		dump_size += sizeof(struct qla2xxx_offld_chain) +
2983 			ha->exchoffld_size;
2984 	if (ha->exlogin_buf)
2985 		dump_size += sizeof(struct qla2xxx_offld_chain) +
2986 			ha->exlogin_size;
2987 
2988 allocate:
2989 	if (!ha->fw_dump_len || dump_size != ha->fw_dump_len) {
2990 		fw_dump = vmalloc(dump_size);
2991 		if (!fw_dump) {
2992 			ql_log(ql_log_warn, vha, 0x00c4,
2993 			    "Unable to allocate (%d KB) for firmware dump.\n",
2994 			    dump_size / 1024);
2995 		} else {
2996 			if (ha->fw_dump)
2997 				vfree(ha->fw_dump);
2998 			ha->fw_dump = fw_dump;
2999 
3000 			ha->fw_dump_len = dump_size;
3001 			ql_dbg(ql_dbg_init, vha, 0x00c5,
3002 			    "Allocated (%d KB) for firmware dump.\n",
3003 			    dump_size / 1024);
3004 
3005 			if (IS_QLA27XX(ha))
3006 				return;
3007 
3008 			ha->fw_dump->signature[0] = 'Q';
3009 			ha->fw_dump->signature[1] = 'L';
3010 			ha->fw_dump->signature[2] = 'G';
3011 			ha->fw_dump->signature[3] = 'C';
3012 			ha->fw_dump->version = htonl(1);
3013 
3014 			ha->fw_dump->fixed_size = htonl(fixed_size);
3015 			ha->fw_dump->mem_size = htonl(mem_size);
3016 			ha->fw_dump->req_q_size = htonl(req_q_size);
3017 			ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3018 
3019 			ha->fw_dump->eft_size = htonl(eft_size);
3020 			ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
3021 			ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
3022 
3023 			ha->fw_dump->header_size =
3024 				htonl(offsetof(struct qla2xxx_fw_dump, isp));
3025 		}
3026 	}
3027 }
3028 
3029 static int
3030 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3031 {
3032 #define MPS_MASK	0xe0
3033 	int rval;
3034 	uint16_t dc;
3035 	uint32_t dw;
3036 
3037 	if (!IS_QLA81XX(vha->hw))
3038 		return QLA_SUCCESS;
3039 
3040 	rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3041 	if (rval != QLA_SUCCESS) {
3042 		ql_log(ql_log_warn, vha, 0x0105,
3043 		    "Unable to acquire semaphore.\n");
3044 		goto done;
3045 	}
3046 
3047 	pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3048 	rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3049 	if (rval != QLA_SUCCESS) {
3050 		ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3051 		goto done_release;
3052 	}
3053 
3054 	dc &= MPS_MASK;
3055 	if (dc == (dw & MPS_MASK))
3056 		goto done_release;
3057 
3058 	dw &= ~MPS_MASK;
3059 	dw |= dc;
3060 	rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3061 	if (rval != QLA_SUCCESS) {
3062 		ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3063 	}
3064 
3065 done_release:
3066 	rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3067 	if (rval != QLA_SUCCESS) {
3068 		ql_log(ql_log_warn, vha, 0x006d,
3069 		    "Unable to release semaphore.\n");
3070 	}
3071 
3072 done:
3073 	return rval;
3074 }
3075 
3076 int
3077 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3078 {
3079 	/* Don't try to reallocate the array */
3080 	if (req->outstanding_cmds)
3081 		return QLA_SUCCESS;
3082 
3083 	if (!IS_FWI2_CAPABLE(ha))
3084 		req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
3085 	else {
3086 		if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
3087 			req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3088 		else
3089 			req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3090 	}
3091 
3092 	req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3093 					sizeof(srb_t *),
3094 					GFP_KERNEL);
3095 
3096 	if (!req->outstanding_cmds) {
3097 		/*
3098 		 * Try to allocate a minimal size just so we can get through
3099 		 * initialization.
3100 		 */
3101 		req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3102 		req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3103 						sizeof(srb_t *),
3104 						GFP_KERNEL);
3105 
3106 		if (!req->outstanding_cmds) {
3107 			ql_log(ql_log_fatal, NULL, 0x0126,
3108 			    "Failed to allocate memory for "
3109 			    "outstanding_cmds for req_que %p.\n", req);
3110 			req->num_outstanding_cmds = 0;
3111 			return QLA_FUNCTION_FAILED;
3112 		}
3113 	}
3114 
3115 	return QLA_SUCCESS;
3116 }
3117 
3118 #define PRINT_FIELD(_field, _flag, _str) {		\
3119 	if (a0->_field & _flag) {\
3120 		if (p) {\
3121 			strcat(ptr, "|");\
3122 			ptr++;\
3123 			leftover--;\
3124 		} \
3125 		len = snprintf(ptr, leftover, "%s", _str);	\
3126 		p = 1;\
3127 		leftover -= len;\
3128 		ptr += len; \
3129 	} \
3130 }
3131 
3132 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
3133 {
3134 #define STR_LEN 64
3135 	struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
3136 	u8 str[STR_LEN], *ptr, p;
3137 	int leftover, len;
3138 
3139 	memset(str, 0, STR_LEN);
3140 	snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
3141 	ql_dbg(ql_dbg_init, vha, 0x015a,
3142 	    "SFP MFG Name: %s\n", str);
3143 
3144 	memset(str, 0, STR_LEN);
3145 	snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
3146 	ql_dbg(ql_dbg_init, vha, 0x015c,
3147 	    "SFP Part Name: %s\n", str);
3148 
3149 	/* media */
3150 	memset(str, 0, STR_LEN);
3151 	ptr = str;
3152 	leftover = STR_LEN;
3153 	p = len = 0;
3154 	PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
3155 	PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
3156 	PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
3157 	PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
3158 	PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
3159 	PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
3160 	PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
3161 	ql_dbg(ql_dbg_init, vha, 0x0160,
3162 	    "SFP Media: %s\n", str);
3163 
3164 	/* link length */
3165 	memset(str, 0, STR_LEN);
3166 	ptr = str;
3167 	leftover = STR_LEN;
3168 	p = len = 0;
3169 	PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
3170 	PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
3171 	PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
3172 	PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
3173 	PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
3174 	ql_dbg(ql_dbg_init, vha, 0x0196,
3175 	    "SFP Link Length: %s\n", str);
3176 
3177 	memset(str, 0, STR_LEN);
3178 	ptr = str;
3179 	leftover = STR_LEN;
3180 	p = len = 0;
3181 	PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
3182 	PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
3183 	PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
3184 	PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
3185 	PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
3186 	ql_dbg(ql_dbg_init, vha, 0x016e,
3187 	    "SFP FC Link Tech: %s\n", str);
3188 
3189 	if (a0->length_km)
3190 		ql_dbg(ql_dbg_init, vha, 0x016f,
3191 		    "SFP Distant: %d km\n", a0->length_km);
3192 	if (a0->length_100m)
3193 		ql_dbg(ql_dbg_init, vha, 0x0170,
3194 		    "SFP Distant: %d m\n", a0->length_100m*100);
3195 	if (a0->length_50um_10m)
3196 		ql_dbg(ql_dbg_init, vha, 0x0189,
3197 		    "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
3198 	if (a0->length_62um_10m)
3199 		ql_dbg(ql_dbg_init, vha, 0x018a,
3200 		  "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
3201 	if (a0->length_om4_10m)
3202 		ql_dbg(ql_dbg_init, vha, 0x0194,
3203 		    "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
3204 	if (a0->length_om3_10m)
3205 		ql_dbg(ql_dbg_init, vha, 0x0195,
3206 		    "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
3207 }
3208 
3209 
3210 /*
3211  * Return Code:
3212  *   QLA_SUCCESS: no action
3213  *   QLA_INTERFACE_ERROR: SFP is not there.
3214  *   QLA_FUNCTION_FAILED: detected New SFP
3215  */
3216 int
3217 qla24xx_detect_sfp(scsi_qla_host_t *vha)
3218 {
3219 	int rc = QLA_SUCCESS;
3220 	struct sff_8247_a0 *a;
3221 	struct qla_hw_data *ha = vha->hw;
3222 
3223 	if (!AUTO_DETECT_SFP_SUPPORT(vha))
3224 		goto out;
3225 
3226 	rc = qla2x00_read_sfp_dev(vha, NULL, 0);
3227 	if (rc)
3228 		goto out;
3229 
3230 	a = (struct sff_8247_a0 *)vha->hw->sfp_data;
3231 	qla2xxx_print_sfp_info(vha);
3232 
3233 	if (a->fc_ll_cc7 & FC_LL_VL || a->fc_ll_cc7 & FC_LL_L) {
3234 		/* long range */
3235 		ha->flags.detected_lr_sfp = 1;
3236 
3237 		if (a->length_km > 5 || a->length_100m > 50)
3238 			ha->long_range_distance = LR_DISTANCE_10K;
3239 		else
3240 			ha->long_range_distance = LR_DISTANCE_5K;
3241 
3242 		if (ha->flags.detected_lr_sfp != ha->flags.using_lr_setting)
3243 			ql_dbg(ql_dbg_async, vha, 0x507b,
3244 			    "Detected Long Range SFP.\n");
3245 	} else {
3246 		/* short range */
3247 		ha->flags.detected_lr_sfp = 0;
3248 		if (ha->flags.using_lr_setting)
3249 			ql_dbg(ql_dbg_async, vha, 0x5084,
3250 			    "Detected Short Range SFP.\n");
3251 	}
3252 
3253 	if (!vha->flags.init_done)
3254 		rc = QLA_SUCCESS;
3255 out:
3256 	return rc;
3257 }
3258 
3259 /**
3260  * qla2x00_setup_chip() - Load and start RISC firmware.
3261  * @vha: HA context
3262  *
3263  * Returns 0 on success.
3264  */
3265 static int
3266 qla2x00_setup_chip(scsi_qla_host_t *vha)
3267 {
3268 	int rval;
3269 	uint32_t srisc_address = 0;
3270 	struct qla_hw_data *ha = vha->hw;
3271 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3272 	unsigned long flags;
3273 	uint16_t fw_major_version;
3274 
3275 	if (IS_P3P_TYPE(ha)) {
3276 		rval = ha->isp_ops->load_risc(vha, &srisc_address);
3277 		if (rval == QLA_SUCCESS) {
3278 			qla2x00_stop_firmware(vha);
3279 			goto enable_82xx_npiv;
3280 		} else
3281 			goto failed;
3282 	}
3283 
3284 	if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3285 		/* Disable SRAM, Instruction RAM and GP RAM parity.  */
3286 		spin_lock_irqsave(&ha->hardware_lock, flags);
3287 		WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
3288 		RD_REG_WORD(&reg->hccr);
3289 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
3290 	}
3291 
3292 	qla81xx_mpi_sync(vha);
3293 
3294 	/* Load firmware sequences */
3295 	rval = ha->isp_ops->load_risc(vha, &srisc_address);
3296 	if (rval == QLA_SUCCESS) {
3297 		ql_dbg(ql_dbg_init, vha, 0x00c9,
3298 		    "Verifying Checksum of loaded RISC code.\n");
3299 
3300 		rval = qla2x00_verify_checksum(vha, srisc_address);
3301 		if (rval == QLA_SUCCESS) {
3302 			/* Start firmware execution. */
3303 			ql_dbg(ql_dbg_init, vha, 0x00ca,
3304 			    "Starting firmware.\n");
3305 
3306 			if (ql2xexlogins)
3307 				ha->flags.exlogins_enabled = 1;
3308 
3309 			if (qla_is_exch_offld_enabled(vha))
3310 				ha->flags.exchoffld_enabled = 1;
3311 
3312 			rval = qla2x00_execute_fw(vha, srisc_address);
3313 			/* Retrieve firmware information. */
3314 			if (rval == QLA_SUCCESS) {
3315 				qla24xx_detect_sfp(vha);
3316 
3317 				rval = qla2x00_set_exlogins_buffer(vha);
3318 				if (rval != QLA_SUCCESS)
3319 					goto failed;
3320 
3321 				rval = qla2x00_set_exchoffld_buffer(vha);
3322 				if (rval != QLA_SUCCESS)
3323 					goto failed;
3324 
3325 enable_82xx_npiv:
3326 				fw_major_version = ha->fw_major_version;
3327 				if (IS_P3P_TYPE(ha))
3328 					qla82xx_check_md_needed(vha);
3329 				else
3330 					rval = qla2x00_get_fw_version(vha);
3331 				if (rval != QLA_SUCCESS)
3332 					goto failed;
3333 				ha->flags.npiv_supported = 0;
3334 				if (IS_QLA2XXX_MIDTYPE(ha) &&
3335 					 (ha->fw_attributes & BIT_2)) {
3336 					ha->flags.npiv_supported = 1;
3337 					if ((!ha->max_npiv_vports) ||
3338 					    ((ha->max_npiv_vports + 1) %
3339 					    MIN_MULTI_ID_FABRIC))
3340 						ha->max_npiv_vports =
3341 						    MIN_MULTI_ID_FABRIC - 1;
3342 				}
3343 				qla2x00_get_resource_cnts(vha);
3344 
3345 				/*
3346 				 * Allocate the array of outstanding commands
3347 				 * now that we know the firmware resources.
3348 				 */
3349 				rval = qla2x00_alloc_outstanding_cmds(ha,
3350 				    vha->req);
3351 				if (rval != QLA_SUCCESS)
3352 					goto failed;
3353 
3354 				if (!fw_major_version && !(IS_P3P_TYPE(ha)))
3355 					qla2x00_alloc_offload_mem(vha);
3356 
3357 				if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
3358 					qla2x00_alloc_fw_dump(vha);
3359 
3360 			} else {
3361 				goto failed;
3362 			}
3363 		} else {
3364 			ql_log(ql_log_fatal, vha, 0x00cd,
3365 			    "ISP Firmware failed checksum.\n");
3366 			goto failed;
3367 		}
3368 	} else
3369 		goto failed;
3370 
3371 	if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3372 		/* Enable proper parity. */
3373 		spin_lock_irqsave(&ha->hardware_lock, flags);
3374 		if (IS_QLA2300(ha))
3375 			/* SRAM parity */
3376 			WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
3377 		else
3378 			/* SRAM, Instruction RAM and GP RAM parity */
3379 			WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
3380 		RD_REG_WORD(&reg->hccr);
3381 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
3382 	}
3383 
3384 	if (IS_QLA27XX(ha))
3385 		ha->flags.fac_supported = 1;
3386 	else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
3387 		uint32_t size;
3388 
3389 		rval = qla81xx_fac_get_sector_size(vha, &size);
3390 		if (rval == QLA_SUCCESS) {
3391 			ha->flags.fac_supported = 1;
3392 			ha->fdt_block_size = size << 2;
3393 		} else {
3394 			ql_log(ql_log_warn, vha, 0x00ce,
3395 			    "Unsupported FAC firmware (%d.%02d.%02d).\n",
3396 			    ha->fw_major_version, ha->fw_minor_version,
3397 			    ha->fw_subminor_version);
3398 
3399 			if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3400 				ha->flags.fac_supported = 0;
3401 				rval = QLA_SUCCESS;
3402 			}
3403 		}
3404 	}
3405 failed:
3406 	if (rval) {
3407 		ql_log(ql_log_fatal, vha, 0x00cf,
3408 		    "Setup chip ****FAILED****.\n");
3409 	}
3410 
3411 	return (rval);
3412 }
3413 
3414 /**
3415  * qla2x00_init_response_q_entries() - Initializes response queue entries.
3416  * @rsp: response queue
3417  *
3418  * Beginning of request ring has initialization control block already built
3419  * by nvram config routine.
3420  *
3421  * Returns 0 on success.
3422  */
3423 void
3424 qla2x00_init_response_q_entries(struct rsp_que *rsp)
3425 {
3426 	uint16_t cnt;
3427 	response_t *pkt;
3428 
3429 	rsp->ring_ptr = rsp->ring;
3430 	rsp->ring_index    = 0;
3431 	rsp->status_srb = NULL;
3432 	pkt = rsp->ring_ptr;
3433 	for (cnt = 0; cnt < rsp->length; cnt++) {
3434 		pkt->signature = RESPONSE_PROCESSED;
3435 		pkt++;
3436 	}
3437 }
3438 
3439 /**
3440  * qla2x00_update_fw_options() - Read and process firmware options.
3441  * @vha: HA context
3442  *
3443  * Returns 0 on success.
3444  */
3445 void
3446 qla2x00_update_fw_options(scsi_qla_host_t *vha)
3447 {
3448 	uint16_t swing, emphasis, tx_sens, rx_sens;
3449 	struct qla_hw_data *ha = vha->hw;
3450 
3451 	memset(ha->fw_options, 0, sizeof(ha->fw_options));
3452 	qla2x00_get_fw_options(vha, ha->fw_options);
3453 
3454 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
3455 		return;
3456 
3457 	/* Serial Link options. */
3458 	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
3459 	    "Serial link options.\n");
3460 	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
3461 	    (uint8_t *)&ha->fw_seriallink_options,
3462 	    sizeof(ha->fw_seriallink_options));
3463 
3464 	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
3465 	if (ha->fw_seriallink_options[3] & BIT_2) {
3466 		ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
3467 
3468 		/*  1G settings */
3469 		swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
3470 		emphasis = (ha->fw_seriallink_options[2] &
3471 		    (BIT_4 | BIT_3)) >> 3;
3472 		tx_sens = ha->fw_seriallink_options[0] &
3473 		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3474 		rx_sens = (ha->fw_seriallink_options[0] &
3475 		    (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3476 		ha->fw_options[10] = (emphasis << 14) | (swing << 8);
3477 		if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3478 			if (rx_sens == 0x0)
3479 				rx_sens = 0x3;
3480 			ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
3481 		} else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3482 			ha->fw_options[10] |= BIT_5 |
3483 			    ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3484 			    (tx_sens & (BIT_1 | BIT_0));
3485 
3486 		/*  2G settings */
3487 		swing = (ha->fw_seriallink_options[2] &
3488 		    (BIT_7 | BIT_6 | BIT_5)) >> 5;
3489 		emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
3490 		tx_sens = ha->fw_seriallink_options[1] &
3491 		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3492 		rx_sens = (ha->fw_seriallink_options[1] &
3493 		    (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3494 		ha->fw_options[11] = (emphasis << 14) | (swing << 8);
3495 		if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3496 			if (rx_sens == 0x0)
3497 				rx_sens = 0x3;
3498 			ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
3499 		} else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3500 			ha->fw_options[11] |= BIT_5 |
3501 			    ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3502 			    (tx_sens & (BIT_1 | BIT_0));
3503 	}
3504 
3505 	/* FCP2 options. */
3506 	/*  Return command IOCBs without waiting for an ABTS to complete. */
3507 	ha->fw_options[3] |= BIT_13;
3508 
3509 	/* LED scheme. */
3510 	if (ha->flags.enable_led_scheme)
3511 		ha->fw_options[2] |= BIT_12;
3512 
3513 	/* Detect ISP6312. */
3514 	if (IS_QLA6312(ha))
3515 		ha->fw_options[2] |= BIT_13;
3516 
3517 	/* Set Retry FLOGI in case of P2P connection */
3518 	if (ha->operating_mode == P2P) {
3519 		ha->fw_options[2] |= BIT_3;
3520 		ql_dbg(ql_dbg_disc, vha, 0x2100,
3521 		    "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3522 			__func__, ha->fw_options[2]);
3523 	}
3524 
3525 	/* Update firmware options. */
3526 	qla2x00_set_fw_options(vha, ha->fw_options);
3527 }
3528 
3529 void
3530 qla24xx_update_fw_options(scsi_qla_host_t *vha)
3531 {
3532 	int rval;
3533 	struct qla_hw_data *ha = vha->hw;
3534 
3535 	if (IS_P3P_TYPE(ha))
3536 		return;
3537 
3538 	/*  Hold status IOCBs until ABTS response received. */
3539 	if (ql2xfwholdabts)
3540 		ha->fw_options[3] |= BIT_12;
3541 
3542 	/* Set Retry FLOGI in case of P2P connection */
3543 	if (ha->operating_mode == P2P) {
3544 		ha->fw_options[2] |= BIT_3;
3545 		ql_dbg(ql_dbg_disc, vha, 0x2101,
3546 		    "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3547 			__func__, ha->fw_options[2]);
3548 	}
3549 
3550 	/* Move PUREX, ABTS RX & RIDA to ATIOQ */
3551 	if (ql2xmvasynctoatio &&
3552 	    (IS_QLA83XX(ha) || IS_QLA27XX(ha))) {
3553 		if (qla_tgt_mode_enabled(vha) ||
3554 		    qla_dual_mode_enabled(vha))
3555 			ha->fw_options[2] |= BIT_11;
3556 		else
3557 			ha->fw_options[2] &= ~BIT_11;
3558 	}
3559 
3560 	if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3561 		/*
3562 		 * Tell FW to track each exchange to prevent
3563 		 * driver from using stale exchange.
3564 		 */
3565 		if (qla_tgt_mode_enabled(vha) ||
3566 		    qla_dual_mode_enabled(vha))
3567 			ha->fw_options[2] |= BIT_4;
3568 		else
3569 			ha->fw_options[2] &= ~BIT_4;
3570 
3571 		/* Reserve 1/2 of emergency exchanges for ELS.*/
3572 		if (qla2xuseresexchforels)
3573 			ha->fw_options[2] |= BIT_8;
3574 		else
3575 			ha->fw_options[2] &= ~BIT_8;
3576 	}
3577 
3578 	ql_dbg(ql_dbg_init, vha, 0x00e8,
3579 	    "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
3580 	    __func__, ha->fw_options[1], ha->fw_options[2],
3581 	    ha->fw_options[3], vha->host->active_mode);
3582 
3583 	if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
3584 		qla2x00_set_fw_options(vha, ha->fw_options);
3585 
3586 	/* Update Serial Link options. */
3587 	if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
3588 		return;
3589 
3590 	rval = qla2x00_set_serdes_params(vha,
3591 	    le16_to_cpu(ha->fw_seriallink_options24[1]),
3592 	    le16_to_cpu(ha->fw_seriallink_options24[2]),
3593 	    le16_to_cpu(ha->fw_seriallink_options24[3]));
3594 	if (rval != QLA_SUCCESS) {
3595 		ql_log(ql_log_warn, vha, 0x0104,
3596 		    "Unable to update Serial Link options (%x).\n", rval);
3597 	}
3598 }
3599 
3600 void
3601 qla2x00_config_rings(struct scsi_qla_host *vha)
3602 {
3603 	struct qla_hw_data *ha = vha->hw;
3604 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3605 	struct req_que *req = ha->req_q_map[0];
3606 	struct rsp_que *rsp = ha->rsp_q_map[0];
3607 
3608 	/* Setup ring parameters in initialization control block. */
3609 	ha->init_cb->request_q_outpointer = cpu_to_le16(0);
3610 	ha->init_cb->response_q_inpointer = cpu_to_le16(0);
3611 	ha->init_cb->request_q_length = cpu_to_le16(req->length);
3612 	ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
3613 	ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3614 	ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3615 	ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3616 	ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3617 
3618 	WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
3619 	WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
3620 	WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
3621 	WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
3622 	RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));		/* PCI Posting. */
3623 }
3624 
3625 void
3626 qla24xx_config_rings(struct scsi_qla_host *vha)
3627 {
3628 	struct qla_hw_data *ha = vha->hw;
3629 	device_reg_t *reg = ISP_QUE_REG(ha, 0);
3630 	struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
3631 	struct qla_msix_entry *msix;
3632 	struct init_cb_24xx *icb;
3633 	uint16_t rid = 0;
3634 	struct req_que *req = ha->req_q_map[0];
3635 	struct rsp_que *rsp = ha->rsp_q_map[0];
3636 
3637 	/* Setup ring parameters in initialization control block. */
3638 	icb = (struct init_cb_24xx *)ha->init_cb;
3639 	icb->request_q_outpointer = cpu_to_le16(0);
3640 	icb->response_q_inpointer = cpu_to_le16(0);
3641 	icb->request_q_length = cpu_to_le16(req->length);
3642 	icb->response_q_length = cpu_to_le16(rsp->length);
3643 	icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3644 	icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3645 	icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3646 	icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3647 
3648 	/* Setup ATIO queue dma pointers for target mode */
3649 	icb->atio_q_inpointer = cpu_to_le16(0);
3650 	icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
3651 	icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
3652 	icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
3653 
3654 	if (IS_SHADOW_REG_CAPABLE(ha))
3655 		icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
3656 
3657 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3658 		icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
3659 		icb->rid = cpu_to_le16(rid);
3660 		if (ha->flags.msix_enabled) {
3661 			msix = &ha->msix_entries[1];
3662 			ql_dbg(ql_dbg_init, vha, 0x0019,
3663 			    "Registering vector 0x%x for base que.\n",
3664 			    msix->entry);
3665 			icb->msix = cpu_to_le16(msix->entry);
3666 		}
3667 		/* Use alternate PCI bus number */
3668 		if (MSB(rid))
3669 			icb->firmware_options_2 |= cpu_to_le32(BIT_19);
3670 		/* Use alternate PCI devfn */
3671 		if (LSB(rid))
3672 			icb->firmware_options_2 |= cpu_to_le32(BIT_18);
3673 
3674 		/* Use Disable MSIX Handshake mode for capable adapters */
3675 		if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
3676 		    (ha->flags.msix_enabled)) {
3677 			icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
3678 			ha->flags.disable_msix_handshake = 1;
3679 			ql_dbg(ql_dbg_init, vha, 0x00fe,
3680 			    "MSIX Handshake Disable Mode turned on.\n");
3681 		} else {
3682 			icb->firmware_options_2 |= cpu_to_le32(BIT_22);
3683 		}
3684 		icb->firmware_options_2 |= cpu_to_le32(BIT_23);
3685 
3686 		WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
3687 		WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
3688 		WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
3689 		WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
3690 	} else {
3691 		WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
3692 		WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
3693 		WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
3694 		WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
3695 	}
3696 	qlt_24xx_config_rings(vha);
3697 
3698 	/* PCI posting */
3699 	RD_REG_DWORD(&ioreg->hccr);
3700 }
3701 
3702 /**
3703  * qla2x00_init_rings() - Initializes firmware.
3704  * @vha: HA context
3705  *
3706  * Beginning of request ring has initialization control block already built
3707  * by nvram config routine.
3708  *
3709  * Returns 0 on success.
3710  */
3711 int
3712 qla2x00_init_rings(scsi_qla_host_t *vha)
3713 {
3714 	int	rval;
3715 	unsigned long flags = 0;
3716 	int cnt, que;
3717 	struct qla_hw_data *ha = vha->hw;
3718 	struct req_que *req;
3719 	struct rsp_que *rsp;
3720 	struct mid_init_cb_24xx *mid_init_cb =
3721 	    (struct mid_init_cb_24xx *) ha->init_cb;
3722 
3723 	spin_lock_irqsave(&ha->hardware_lock, flags);
3724 
3725 	/* Clear outstanding commands array. */
3726 	for (que = 0; que < ha->max_req_queues; que++) {
3727 		req = ha->req_q_map[que];
3728 		if (!req || !test_bit(que, ha->req_qid_map))
3729 			continue;
3730 		req->out_ptr = (void *)(req->ring + req->length);
3731 		*req->out_ptr = 0;
3732 		for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
3733 			req->outstanding_cmds[cnt] = NULL;
3734 
3735 		req->current_outstanding_cmd = 1;
3736 
3737 		/* Initialize firmware. */
3738 		req->ring_ptr  = req->ring;
3739 		req->ring_index    = 0;
3740 		req->cnt      = req->length;
3741 	}
3742 
3743 	for (que = 0; que < ha->max_rsp_queues; que++) {
3744 		rsp = ha->rsp_q_map[que];
3745 		if (!rsp || !test_bit(que, ha->rsp_qid_map))
3746 			continue;
3747 		rsp->in_ptr = (void *)(rsp->ring + rsp->length);
3748 		*rsp->in_ptr = 0;
3749 		/* Initialize response queue entries */
3750 		if (IS_QLAFX00(ha))
3751 			qlafx00_init_response_q_entries(rsp);
3752 		else
3753 			qla2x00_init_response_q_entries(rsp);
3754 	}
3755 
3756 	ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
3757 	ha->tgt.atio_ring_index = 0;
3758 	/* Initialize ATIO queue entries */
3759 	qlt_init_atio_q_entries(vha);
3760 
3761 	ha->isp_ops->config_rings(vha);
3762 
3763 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
3764 
3765 	ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
3766 
3767 	if (IS_QLAFX00(ha)) {
3768 		rval = qlafx00_init_firmware(vha, ha->init_cb_size);
3769 		goto next_check;
3770 	}
3771 
3772 	/* Update any ISP specific firmware options before initialization. */
3773 	ha->isp_ops->update_fw_options(vha);
3774 
3775 	if (ha->flags.npiv_supported) {
3776 		if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
3777 			ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
3778 		mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
3779 	}
3780 
3781 	if (IS_FWI2_CAPABLE(ha)) {
3782 		mid_init_cb->options = cpu_to_le16(BIT_1);
3783 		mid_init_cb->init_cb.execution_throttle =
3784 		    cpu_to_le16(ha->cur_fw_xcb_count);
3785 		ha->flags.dport_enabled =
3786 		    (mid_init_cb->init_cb.firmware_options_1 & BIT_7) != 0;
3787 		ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
3788 		    (ha->flags.dport_enabled) ? "enabled" : "disabled");
3789 		/* FA-WWPN Status */
3790 		ha->flags.fawwpn_enabled =
3791 		    (mid_init_cb->init_cb.firmware_options_1 & BIT_6) != 0;
3792 		ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
3793 		    (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
3794 	}
3795 
3796 	rval = qla2x00_init_firmware(vha, ha->init_cb_size);
3797 next_check:
3798 	if (rval) {
3799 		ql_log(ql_log_fatal, vha, 0x00d2,
3800 		    "Init Firmware **** FAILED ****.\n");
3801 	} else {
3802 		ql_dbg(ql_dbg_init, vha, 0x00d3,
3803 		    "Init Firmware -- success.\n");
3804 		QLA_FW_STARTED(ha);
3805 	}
3806 
3807 	return (rval);
3808 }
3809 
3810 /**
3811  * qla2x00_fw_ready() - Waits for firmware ready.
3812  * @vha: HA context
3813  *
3814  * Returns 0 on success.
3815  */
3816 static int
3817 qla2x00_fw_ready(scsi_qla_host_t *vha)
3818 {
3819 	int		rval;
3820 	unsigned long	wtime, mtime, cs84xx_time;
3821 	uint16_t	min_wait;	/* Minimum wait time if loop is down */
3822 	uint16_t	wait_time;	/* Wait time if loop is coming ready */
3823 	uint16_t	state[6];
3824 	struct qla_hw_data *ha = vha->hw;
3825 
3826 	if (IS_QLAFX00(vha->hw))
3827 		return qlafx00_fw_ready(vha);
3828 
3829 	rval = QLA_SUCCESS;
3830 
3831 	/* Time to wait for loop down */
3832 	if (IS_P3P_TYPE(ha))
3833 		min_wait = 30;
3834 	else
3835 		min_wait = 20;
3836 
3837 	/*
3838 	 * Firmware should take at most one RATOV to login, plus 5 seconds for
3839 	 * our own processing.
3840 	 */
3841 	if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
3842 		wait_time = min_wait;
3843 	}
3844 
3845 	/* Min wait time if loop down */
3846 	mtime = jiffies + (min_wait * HZ);
3847 
3848 	/* wait time before firmware ready */
3849 	wtime = jiffies + (wait_time * HZ);
3850 
3851 	/* Wait for ISP to finish LIP */
3852 	if (!vha->flags.init_done)
3853 		ql_log(ql_log_info, vha, 0x801e,
3854 		    "Waiting for LIP to complete.\n");
3855 
3856 	do {
3857 		memset(state, -1, sizeof(state));
3858 		rval = qla2x00_get_firmware_state(vha, state);
3859 		if (rval == QLA_SUCCESS) {
3860 			if (state[0] < FSTATE_LOSS_OF_SYNC) {
3861 				vha->device_flags &= ~DFLG_NO_CABLE;
3862 			}
3863 			if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
3864 				ql_dbg(ql_dbg_taskm, vha, 0x801f,
3865 				    "fw_state=%x 84xx=%x.\n", state[0],
3866 				    state[2]);
3867 				if ((state[2] & FSTATE_LOGGED_IN) &&
3868 				     (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
3869 					ql_dbg(ql_dbg_taskm, vha, 0x8028,
3870 					    "Sending verify iocb.\n");
3871 
3872 					cs84xx_time = jiffies;
3873 					rval = qla84xx_init_chip(vha);
3874 					if (rval != QLA_SUCCESS) {
3875 						ql_log(ql_log_warn,
3876 						    vha, 0x8007,
3877 						    "Init chip failed.\n");
3878 						break;
3879 					}
3880 
3881 					/* Add time taken to initialize. */
3882 					cs84xx_time = jiffies - cs84xx_time;
3883 					wtime += cs84xx_time;
3884 					mtime += cs84xx_time;
3885 					ql_dbg(ql_dbg_taskm, vha, 0x8008,
3886 					    "Increasing wait time by %ld. "
3887 					    "New time %ld.\n", cs84xx_time,
3888 					    wtime);
3889 				}
3890 			} else if (state[0] == FSTATE_READY) {
3891 				ql_dbg(ql_dbg_taskm, vha, 0x8037,
3892 				    "F/W Ready - OK.\n");
3893 
3894 				qla2x00_get_retry_cnt(vha, &ha->retry_count,
3895 				    &ha->login_timeout, &ha->r_a_tov);
3896 
3897 				rval = QLA_SUCCESS;
3898 				break;
3899 			}
3900 
3901 			rval = QLA_FUNCTION_FAILED;
3902 
3903 			if (atomic_read(&vha->loop_down_timer) &&
3904 			    state[0] != FSTATE_READY) {
3905 				/* Loop down. Timeout on min_wait for states
3906 				 * other than Wait for Login.
3907 				 */
3908 				if (time_after_eq(jiffies, mtime)) {
3909 					ql_log(ql_log_info, vha, 0x8038,
3910 					    "Cable is unplugged...\n");
3911 
3912 					vha->device_flags |= DFLG_NO_CABLE;
3913 					break;
3914 				}
3915 			}
3916 		} else {
3917 			/* Mailbox cmd failed. Timeout on min_wait. */
3918 			if (time_after_eq(jiffies, mtime) ||
3919 				ha->flags.isp82xx_fw_hung)
3920 				break;
3921 		}
3922 
3923 		if (time_after_eq(jiffies, wtime))
3924 			break;
3925 
3926 		/* Delay for a while */
3927 		msleep(500);
3928 	} while (1);
3929 
3930 	ql_dbg(ql_dbg_taskm, vha, 0x803a,
3931 	    "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
3932 	    state[1], state[2], state[3], state[4], state[5], jiffies);
3933 
3934 	if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
3935 		ql_log(ql_log_warn, vha, 0x803b,
3936 		    "Firmware ready **** FAILED ****.\n");
3937 	}
3938 
3939 	return (rval);
3940 }
3941 
3942 /*
3943 *  qla2x00_configure_hba
3944 *      Setup adapter context.
3945 *
3946 * Input:
3947 *      ha = adapter state pointer.
3948 *
3949 * Returns:
3950 *      0 = success
3951 *
3952 * Context:
3953 *      Kernel context.
3954 */
3955 static int
3956 qla2x00_configure_hba(scsi_qla_host_t *vha)
3957 {
3958 	int       rval;
3959 	uint16_t      loop_id;
3960 	uint16_t      topo;
3961 	uint16_t      sw_cap;
3962 	uint8_t       al_pa;
3963 	uint8_t       area;
3964 	uint8_t       domain;
3965 	char		connect_type[22];
3966 	struct qla_hw_data *ha = vha->hw;
3967 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
3968 	port_id_t id;
3969 	unsigned long flags;
3970 
3971 	/* Get host addresses. */
3972 	rval = qla2x00_get_adapter_id(vha,
3973 	    &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
3974 	if (rval != QLA_SUCCESS) {
3975 		if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
3976 		    IS_CNA_CAPABLE(ha) ||
3977 		    (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
3978 			ql_dbg(ql_dbg_disc, vha, 0x2008,
3979 			    "Loop is in a transition state.\n");
3980 		} else {
3981 			ql_log(ql_log_warn, vha, 0x2009,
3982 			    "Unable to get host loop ID.\n");
3983 			if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
3984 			    (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
3985 				ql_log(ql_log_warn, vha, 0x1151,
3986 				    "Doing link init.\n");
3987 				if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
3988 					return rval;
3989 			}
3990 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3991 		}
3992 		return (rval);
3993 	}
3994 
3995 	if (topo == 4) {
3996 		ql_log(ql_log_info, vha, 0x200a,
3997 		    "Cannot get topology - retrying.\n");
3998 		return (QLA_FUNCTION_FAILED);
3999 	}
4000 
4001 	vha->loop_id = loop_id;
4002 
4003 	/* initialize */
4004 	ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4005 	ha->operating_mode = LOOP;
4006 	ha->switch_cap = 0;
4007 
4008 	switch (topo) {
4009 	case 0:
4010 		ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4011 		ha->current_topology = ISP_CFG_NL;
4012 		strcpy(connect_type, "(Loop)");
4013 		break;
4014 
4015 	case 1:
4016 		ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4017 		ha->switch_cap = sw_cap;
4018 		ha->current_topology = ISP_CFG_FL;
4019 		strcpy(connect_type, "(FL_Port)");
4020 		break;
4021 
4022 	case 2:
4023 		ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
4024 		ha->operating_mode = P2P;
4025 		ha->current_topology = ISP_CFG_N;
4026 		strcpy(connect_type, "(N_Port-to-N_Port)");
4027 		break;
4028 
4029 	case 3:
4030 		ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4031 		ha->switch_cap = sw_cap;
4032 		ha->operating_mode = P2P;
4033 		ha->current_topology = ISP_CFG_F;
4034 		strcpy(connect_type, "(F_Port)");
4035 		break;
4036 
4037 	default:
4038 		ql_dbg(ql_dbg_disc, vha, 0x200f,
4039 		    "HBA in unknown topology %x, using NL.\n", topo);
4040 		ha->current_topology = ISP_CFG_NL;
4041 		strcpy(connect_type, "(Loop)");
4042 		break;
4043 	}
4044 
4045 	/* Save Host port and loop ID. */
4046 	/* byte order - Big Endian */
4047 	id.b.domain = domain;
4048 	id.b.area = area;
4049 	id.b.al_pa = al_pa;
4050 	id.b.rsvd_1 = 0;
4051 	spin_lock_irqsave(&ha->hardware_lock, flags);
4052 	qlt_update_host_map(vha, id);
4053 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
4054 
4055 	if (!vha->flags.init_done)
4056 		ql_log(ql_log_info, vha, 0x2010,
4057 		    "Topology - %s, Host Loop address 0x%x.\n",
4058 		    connect_type, vha->loop_id);
4059 
4060 	return(rval);
4061 }
4062 
4063 inline void
4064 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4065 	char *def)
4066 {
4067 	char *st, *en;
4068 	uint16_t index;
4069 	struct qla_hw_data *ha = vha->hw;
4070 	int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4071 	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4072 
4073 	if (memcmp(model, BINZERO, len) != 0) {
4074 		strncpy(ha->model_number, model, len);
4075 		st = en = ha->model_number;
4076 		en += len - 1;
4077 		while (en > st) {
4078 			if (*en != 0x20 && *en != 0x00)
4079 				break;
4080 			*en-- = '\0';
4081 		}
4082 
4083 		index = (ha->pdev->subsystem_device & 0xff);
4084 		if (use_tbl &&
4085 		    ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4086 		    index < QLA_MODEL_NAMES)
4087 			strncpy(ha->model_desc,
4088 			    qla2x00_model_name[index * 2 + 1],
4089 			    sizeof(ha->model_desc) - 1);
4090 	} else {
4091 		index = (ha->pdev->subsystem_device & 0xff);
4092 		if (use_tbl &&
4093 		    ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4094 		    index < QLA_MODEL_NAMES) {
4095 			strcpy(ha->model_number,
4096 			    qla2x00_model_name[index * 2]);
4097 			strncpy(ha->model_desc,
4098 			    qla2x00_model_name[index * 2 + 1],
4099 			    sizeof(ha->model_desc) - 1);
4100 		} else {
4101 			strcpy(ha->model_number, def);
4102 		}
4103 	}
4104 	if (IS_FWI2_CAPABLE(ha))
4105 		qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4106 		    sizeof(ha->model_desc));
4107 }
4108 
4109 /* On sparc systems, obtain port and node WWN from firmware
4110  * properties.
4111  */
4112 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4113 {
4114 #ifdef CONFIG_SPARC
4115 	struct qla_hw_data *ha = vha->hw;
4116 	struct pci_dev *pdev = ha->pdev;
4117 	struct device_node *dp = pci_device_to_OF_node(pdev);
4118 	const u8 *val;
4119 	int len;
4120 
4121 	val = of_get_property(dp, "port-wwn", &len);
4122 	if (val && len >= WWN_SIZE)
4123 		memcpy(nv->port_name, val, WWN_SIZE);
4124 
4125 	val = of_get_property(dp, "node-wwn", &len);
4126 	if (val && len >= WWN_SIZE)
4127 		memcpy(nv->node_name, val, WWN_SIZE);
4128 #endif
4129 }
4130 
4131 /*
4132 * NVRAM configuration for ISP 2xxx
4133 *
4134 * Input:
4135 *      ha                = adapter block pointer.
4136 *
4137 * Output:
4138 *      initialization control block in response_ring
4139 *      host adapters parameters in host adapter block
4140 *
4141 * Returns:
4142 *      0 = success.
4143 */
4144 int
4145 qla2x00_nvram_config(scsi_qla_host_t *vha)
4146 {
4147 	int             rval;
4148 	uint8_t         chksum = 0;
4149 	uint16_t        cnt;
4150 	uint8_t         *dptr1, *dptr2;
4151 	struct qla_hw_data *ha = vha->hw;
4152 	init_cb_t       *icb = ha->init_cb;
4153 	nvram_t         *nv = ha->nvram;
4154 	uint8_t         *ptr = ha->nvram;
4155 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4156 
4157 	rval = QLA_SUCCESS;
4158 
4159 	/* Determine NVRAM starting address. */
4160 	ha->nvram_size = sizeof(nvram_t);
4161 	ha->nvram_base = 0;
4162 	if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
4163 		if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
4164 			ha->nvram_base = 0x80;
4165 
4166 	/* Get NVRAM data and calculate checksum. */
4167 	ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4168 	for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
4169 		chksum += *ptr++;
4170 
4171 	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
4172 	    "Contents of NVRAM.\n");
4173 	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4174 	    (uint8_t *)nv, ha->nvram_size);
4175 
4176 	/* Bad NVRAM data, set defaults parameters. */
4177 	if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
4178 	    nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
4179 		/* Reset NVRAM data. */
4180 		ql_log(ql_log_warn, vha, 0x0064,
4181 		    "Inconsistent NVRAM "
4182 		    "detected: checksum=0x%x id=%c version=0x%x.\n",
4183 		    chksum, nv->id[0], nv->nvram_version);
4184 		ql_log(ql_log_warn, vha, 0x0065,
4185 		    "Falling back to "
4186 		    "functioning (yet invalid -- WWPN) defaults.\n");
4187 
4188 		/*
4189 		 * Set default initialization control block.
4190 		 */
4191 		memset(nv, 0, ha->nvram_size);
4192 		nv->parameter_block_version = ICB_VERSION;
4193 
4194 		if (IS_QLA23XX(ha)) {
4195 			nv->firmware_options[0] = BIT_2 | BIT_1;
4196 			nv->firmware_options[1] = BIT_7 | BIT_5;
4197 			nv->add_firmware_options[0] = BIT_5;
4198 			nv->add_firmware_options[1] = BIT_5 | BIT_4;
4199 			nv->frame_payload_size = 2048;
4200 			nv->special_options[1] = BIT_7;
4201 		} else if (IS_QLA2200(ha)) {
4202 			nv->firmware_options[0] = BIT_2 | BIT_1;
4203 			nv->firmware_options[1] = BIT_7 | BIT_5;
4204 			nv->add_firmware_options[0] = BIT_5;
4205 			nv->add_firmware_options[1] = BIT_5 | BIT_4;
4206 			nv->frame_payload_size = 1024;
4207 		} else if (IS_QLA2100(ha)) {
4208 			nv->firmware_options[0] = BIT_3 | BIT_1;
4209 			nv->firmware_options[1] = BIT_5;
4210 			nv->frame_payload_size = 1024;
4211 		}
4212 
4213 		nv->max_iocb_allocation = cpu_to_le16(256);
4214 		nv->execution_throttle = cpu_to_le16(16);
4215 		nv->retry_count = 8;
4216 		nv->retry_delay = 1;
4217 
4218 		nv->port_name[0] = 33;
4219 		nv->port_name[3] = 224;
4220 		nv->port_name[4] = 139;
4221 
4222 		qla2xxx_nvram_wwn_from_ofw(vha, nv);
4223 
4224 		nv->login_timeout = 4;
4225 
4226 		/*
4227 		 * Set default host adapter parameters
4228 		 */
4229 		nv->host_p[1] = BIT_2;
4230 		nv->reset_delay = 5;
4231 		nv->port_down_retry_count = 8;
4232 		nv->max_luns_per_target = cpu_to_le16(8);
4233 		nv->link_down_timeout = 60;
4234 
4235 		rval = 1;
4236 	}
4237 
4238 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
4239 	/*
4240 	 * The SN2 does not provide BIOS emulation which means you can't change
4241 	 * potentially bogus BIOS settings. Force the use of default settings
4242 	 * for link rate and frame size.  Hope that the rest of the settings
4243 	 * are valid.
4244 	 */
4245 	if (ia64_platform_is("sn2")) {
4246 		nv->frame_payload_size = 2048;
4247 		if (IS_QLA23XX(ha))
4248 			nv->special_options[1] = BIT_7;
4249 	}
4250 #endif
4251 
4252 	/* Reset Initialization control block */
4253 	memset(icb, 0, ha->init_cb_size);
4254 
4255 	/*
4256 	 * Setup driver NVRAM options.
4257 	 */
4258 	nv->firmware_options[0] |= (BIT_6 | BIT_1);
4259 	nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
4260 	nv->firmware_options[1] |= (BIT_5 | BIT_0);
4261 	nv->firmware_options[1] &= ~BIT_4;
4262 
4263 	if (IS_QLA23XX(ha)) {
4264 		nv->firmware_options[0] |= BIT_2;
4265 		nv->firmware_options[0] &= ~BIT_3;
4266 		nv->special_options[0] &= ~BIT_6;
4267 		nv->add_firmware_options[1] |= BIT_5 | BIT_4;
4268 
4269 		if (IS_QLA2300(ha)) {
4270 			if (ha->fb_rev == FPM_2310) {
4271 				strcpy(ha->model_number, "QLA2310");
4272 			} else {
4273 				strcpy(ha->model_number, "QLA2300");
4274 			}
4275 		} else {
4276 			qla2x00_set_model_info(vha, nv->model_number,
4277 			    sizeof(nv->model_number), "QLA23xx");
4278 		}
4279 	} else if (IS_QLA2200(ha)) {
4280 		nv->firmware_options[0] |= BIT_2;
4281 		/*
4282 		 * 'Point-to-point preferred, else loop' is not a safe
4283 		 * connection mode setting.
4284 		 */
4285 		if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
4286 		    (BIT_5 | BIT_4)) {
4287 			/* Force 'loop preferred, else point-to-point'. */
4288 			nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
4289 			nv->add_firmware_options[0] |= BIT_5;
4290 		}
4291 		strcpy(ha->model_number, "QLA22xx");
4292 	} else /*if (IS_QLA2100(ha))*/ {
4293 		strcpy(ha->model_number, "QLA2100");
4294 	}
4295 
4296 	/*
4297 	 * Copy over NVRAM RISC parameter block to initialization control block.
4298 	 */
4299 	dptr1 = (uint8_t *)icb;
4300 	dptr2 = (uint8_t *)&nv->parameter_block_version;
4301 	cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
4302 	while (cnt--)
4303 		*dptr1++ = *dptr2++;
4304 
4305 	/* Copy 2nd half. */
4306 	dptr1 = (uint8_t *)icb->add_firmware_options;
4307 	cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
4308 	while (cnt--)
4309 		*dptr1++ = *dptr2++;
4310 
4311 	/* Use alternate WWN? */
4312 	if (nv->host_p[1] & BIT_7) {
4313 		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4314 		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4315 	}
4316 
4317 	/* Prepare nodename */
4318 	if ((icb->firmware_options[1] & BIT_6) == 0) {
4319 		/*
4320 		 * Firmware will apply the following mask if the nodename was
4321 		 * not provided.
4322 		 */
4323 		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4324 		icb->node_name[0] &= 0xF0;
4325 	}
4326 
4327 	/*
4328 	 * Set host adapter parameters.
4329 	 */
4330 
4331 	/*
4332 	 * BIT_7 in the host-parameters section allows for modification to
4333 	 * internal driver logging.
4334 	 */
4335 	if (nv->host_p[0] & BIT_7)
4336 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
4337 	ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
4338 	/* Always load RISC code on non ISP2[12]00 chips. */
4339 	if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
4340 		ha->flags.disable_risc_code_load = 0;
4341 	ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
4342 	ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
4343 	ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
4344 	ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
4345 	ha->flags.disable_serdes = 0;
4346 
4347 	ha->operating_mode =
4348 	    (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
4349 
4350 	memcpy(ha->fw_seriallink_options, nv->seriallink_options,
4351 	    sizeof(ha->fw_seriallink_options));
4352 
4353 	/* save HBA serial number */
4354 	ha->serial0 = icb->port_name[5];
4355 	ha->serial1 = icb->port_name[6];
4356 	ha->serial2 = icb->port_name[7];
4357 	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4358 	memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4359 
4360 	icb->execution_throttle = cpu_to_le16(0xFFFF);
4361 
4362 	ha->retry_count = nv->retry_count;
4363 
4364 	/* Set minimum login_timeout to 4 seconds. */
4365 	if (nv->login_timeout != ql2xlogintimeout)
4366 		nv->login_timeout = ql2xlogintimeout;
4367 	if (nv->login_timeout < 4)
4368 		nv->login_timeout = 4;
4369 	ha->login_timeout = nv->login_timeout;
4370 
4371 	/* Set minimum RATOV to 100 tenths of a second. */
4372 	ha->r_a_tov = 100;
4373 
4374 	ha->loop_reset_delay = nv->reset_delay;
4375 
4376 	/* Link Down Timeout = 0:
4377 	 *
4378 	 * 	When Port Down timer expires we will start returning
4379 	 *	I/O's to OS with "DID_NO_CONNECT".
4380 	 *
4381 	 * Link Down Timeout != 0:
4382 	 *
4383 	 *	 The driver waits for the link to come up after link down
4384 	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
4385 	 */
4386 	if (nv->link_down_timeout == 0) {
4387 		ha->loop_down_abort_time =
4388 		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4389 	} else {
4390 		ha->link_down_timeout =	 nv->link_down_timeout;
4391 		ha->loop_down_abort_time =
4392 		    (LOOP_DOWN_TIME - ha->link_down_timeout);
4393 	}
4394 
4395 	/*
4396 	 * Need enough time to try and get the port back.
4397 	 */
4398 	ha->port_down_retry_count = nv->port_down_retry_count;
4399 	if (qlport_down_retry)
4400 		ha->port_down_retry_count = qlport_down_retry;
4401 	/* Set login_retry_count */
4402 	ha->login_retry_count  = nv->retry_count;
4403 	if (ha->port_down_retry_count == nv->port_down_retry_count &&
4404 	    ha->port_down_retry_count > 3)
4405 		ha->login_retry_count = ha->port_down_retry_count;
4406 	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4407 		ha->login_retry_count = ha->port_down_retry_count;
4408 	if (ql2xloginretrycount)
4409 		ha->login_retry_count = ql2xloginretrycount;
4410 
4411 	icb->lun_enables = cpu_to_le16(0);
4412 	icb->command_resource_count = 0;
4413 	icb->immediate_notify_resource_count = 0;
4414 	icb->timeout = cpu_to_le16(0);
4415 
4416 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4417 		/* Enable RIO */
4418 		icb->firmware_options[0] &= ~BIT_3;
4419 		icb->add_firmware_options[0] &=
4420 		    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4421 		icb->add_firmware_options[0] |= BIT_2;
4422 		icb->response_accumulation_timer = 3;
4423 		icb->interrupt_delay_timer = 5;
4424 
4425 		vha->flags.process_response_queue = 1;
4426 	} else {
4427 		/* Enable ZIO. */
4428 		if (!vha->flags.init_done) {
4429 			ha->zio_mode = icb->add_firmware_options[0] &
4430 			    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4431 			ha->zio_timer = icb->interrupt_delay_timer ?
4432 			    icb->interrupt_delay_timer: 2;
4433 		}
4434 		icb->add_firmware_options[0] &=
4435 		    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4436 		vha->flags.process_response_queue = 0;
4437 		if (ha->zio_mode != QLA_ZIO_DISABLED) {
4438 			ha->zio_mode = QLA_ZIO_MODE_6;
4439 
4440 			ql_log(ql_log_info, vha, 0x0068,
4441 			    "ZIO mode %d enabled; timer delay (%d us).\n",
4442 			    ha->zio_mode, ha->zio_timer * 100);
4443 
4444 			icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
4445 			icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
4446 			vha->flags.process_response_queue = 1;
4447 		}
4448 	}
4449 
4450 	if (rval) {
4451 		ql_log(ql_log_warn, vha, 0x0069,
4452 		    "NVRAM configuration failed.\n");
4453 	}
4454 	return (rval);
4455 }
4456 
4457 static void
4458 qla2x00_rport_del(void *data)
4459 {
4460 	fc_port_t *fcport = data;
4461 	struct fc_rport *rport;
4462 	unsigned long flags;
4463 
4464 	spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4465 	rport = fcport->drport ? fcport->drport: fcport->rport;
4466 	fcport->drport = NULL;
4467 	spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4468 	if (rport) {
4469 		ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
4470 		    "%s %8phN. rport %p roles %x\n",
4471 		    __func__, fcport->port_name, rport,
4472 		    rport->roles);
4473 
4474 		fc_remote_port_delete(rport);
4475 	}
4476 }
4477 
4478 /**
4479  * qla2x00_alloc_fcport() - Allocate a generic fcport.
4480  * @vha: HA context
4481  * @flags: allocation flags
4482  *
4483  * Returns a pointer to the allocated fcport, or NULL, if none available.
4484  */
4485 fc_port_t *
4486 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
4487 {
4488 	fc_port_t *fcport;
4489 
4490 	fcport = kzalloc(sizeof(fc_port_t), flags);
4491 	if (!fcport)
4492 		return NULL;
4493 
4494 	/* Setup fcport template structure. */
4495 	fcport->vha = vha;
4496 	fcport->port_type = FCT_UNKNOWN;
4497 	fcport->loop_id = FC_NO_LOOP_ID;
4498 	qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
4499 	fcport->supported_classes = FC_COS_UNSPECIFIED;
4500 
4501 	fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
4502 		sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
4503 		flags);
4504 	fcport->disc_state = DSC_DELETED;
4505 	fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4506 	fcport->deleted = QLA_SESS_DELETED;
4507 	fcport->login_retry = vha->hw->login_retry_count;
4508 	fcport->logout_on_delete = 1;
4509 
4510 	if (!fcport->ct_desc.ct_sns) {
4511 		ql_log(ql_log_warn, vha, 0xd049,
4512 		    "Failed to allocate ct_sns request.\n");
4513 		kfree(fcport);
4514 		fcport = NULL;
4515 	}
4516 	INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
4517 	INIT_LIST_HEAD(&fcport->gnl_entry);
4518 	INIT_LIST_HEAD(&fcport->list);
4519 
4520 	return fcport;
4521 }
4522 
4523 void
4524 qla2x00_free_fcport(fc_port_t *fcport)
4525 {
4526 	if (fcport->ct_desc.ct_sns) {
4527 		dma_free_coherent(&fcport->vha->hw->pdev->dev,
4528 			sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
4529 			fcport->ct_desc.ct_sns_dma);
4530 
4531 		fcport->ct_desc.ct_sns = NULL;
4532 	}
4533 	kfree(fcport);
4534 }
4535 
4536 /*
4537  * qla2x00_configure_loop
4538  *      Updates Fibre Channel Device Database with what is actually on loop.
4539  *
4540  * Input:
4541  *      ha                = adapter block pointer.
4542  *
4543  * Returns:
4544  *      0 = success.
4545  *      1 = error.
4546  *      2 = database was full and device was not configured.
4547  */
4548 static int
4549 qla2x00_configure_loop(scsi_qla_host_t *vha)
4550 {
4551 	int  rval;
4552 	unsigned long flags, save_flags;
4553 	struct qla_hw_data *ha = vha->hw;
4554 	rval = QLA_SUCCESS;
4555 
4556 	/* Get Initiator ID */
4557 	if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
4558 		rval = qla2x00_configure_hba(vha);
4559 		if (rval != QLA_SUCCESS) {
4560 			ql_dbg(ql_dbg_disc, vha, 0x2013,
4561 			    "Unable to configure HBA.\n");
4562 			return (rval);
4563 		}
4564 	}
4565 
4566 	save_flags = flags = vha->dpc_flags;
4567 	ql_dbg(ql_dbg_disc, vha, 0x2014,
4568 	    "Configure loop -- dpc flags = 0x%lx.\n", flags);
4569 
4570 	/*
4571 	 * If we have both an RSCN and PORT UPDATE pending then handle them
4572 	 * both at the same time.
4573 	 */
4574 	clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4575 	clear_bit(RSCN_UPDATE, &vha->dpc_flags);
4576 
4577 	qla2x00_get_data_rate(vha);
4578 
4579 	/* Determine what we need to do */
4580 	if (ha->current_topology == ISP_CFG_FL &&
4581 	    (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4582 
4583 		set_bit(RSCN_UPDATE, &flags);
4584 
4585 	} else if (ha->current_topology == ISP_CFG_F &&
4586 	    (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4587 
4588 		set_bit(RSCN_UPDATE, &flags);
4589 		clear_bit(LOCAL_LOOP_UPDATE, &flags);
4590 
4591 	} else if (ha->current_topology == ISP_CFG_N) {
4592 		clear_bit(RSCN_UPDATE, &flags);
4593 		if (ha->flags.rida_fmt2) {
4594 			/* With Rida Format 2, the login is already triggered.
4595 			 * We know who is on the other side of the wire.
4596 			 * No need to login to do login to find out or drop into
4597 			 * qla2x00_configure_local_loop().
4598 			 */
4599 			clear_bit(LOCAL_LOOP_UPDATE, &flags);
4600 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4601 		} else {
4602 			if (qla_tgt_mode_enabled(vha)) {
4603 				/* allow the other side to start the login */
4604 				clear_bit(LOCAL_LOOP_UPDATE, &flags);
4605 				set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4606 			}
4607 		}
4608 	} else if (ha->current_topology == ISP_CFG_NL) {
4609 		clear_bit(RSCN_UPDATE, &flags);
4610 		set_bit(LOCAL_LOOP_UPDATE, &flags);
4611 	} else if (!vha->flags.online ||
4612 	    (test_bit(ABORT_ISP_ACTIVE, &flags))) {
4613 		set_bit(RSCN_UPDATE, &flags);
4614 		set_bit(LOCAL_LOOP_UPDATE, &flags);
4615 	}
4616 
4617 	if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
4618 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4619 			ql_dbg(ql_dbg_disc, vha, 0x2015,
4620 			    "Loop resync needed, failing.\n");
4621 			rval = QLA_FUNCTION_FAILED;
4622 		} else
4623 			rval = qla2x00_configure_local_loop(vha);
4624 	}
4625 
4626 	if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
4627 		if (LOOP_TRANSITION(vha)) {
4628 			ql_dbg(ql_dbg_disc, vha, 0x2099,
4629 			    "Needs RSCN update and loop transition.\n");
4630 			rval = QLA_FUNCTION_FAILED;
4631 		}
4632 		else
4633 			rval = qla2x00_configure_fabric(vha);
4634 	}
4635 
4636 	if (rval == QLA_SUCCESS) {
4637 		if (atomic_read(&vha->loop_down_timer) ||
4638 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4639 			rval = QLA_FUNCTION_FAILED;
4640 		} else {
4641 			atomic_set(&vha->loop_state, LOOP_READY);
4642 			ql_dbg(ql_dbg_disc, vha, 0x2069,
4643 			    "LOOP READY.\n");
4644 			ha->flags.fw_init_done = 1;
4645 
4646 			/*
4647 			 * Process any ATIO queue entries that came in
4648 			 * while we weren't online.
4649 			 */
4650 			if (qla_tgt_mode_enabled(vha) ||
4651 			    qla_dual_mode_enabled(vha)) {
4652 				if (IS_QLA27XX(ha) || IS_QLA83XX(ha)) {
4653 					spin_lock_irqsave(&ha->tgt.atio_lock,
4654 					    flags);
4655 					qlt_24xx_process_atio_queue(vha, 0);
4656 					spin_unlock_irqrestore(
4657 					    &ha->tgt.atio_lock, flags);
4658 				} else {
4659 					spin_lock_irqsave(&ha->hardware_lock,
4660 					    flags);
4661 					qlt_24xx_process_atio_queue(vha, 1);
4662 					spin_unlock_irqrestore(
4663 					    &ha->hardware_lock, flags);
4664 				}
4665 			}
4666 		}
4667 	}
4668 
4669 	if (rval) {
4670 		ql_dbg(ql_dbg_disc, vha, 0x206a,
4671 		    "%s *** FAILED ***.\n", __func__);
4672 	} else {
4673 		ql_dbg(ql_dbg_disc, vha, 0x206b,
4674 		    "%s: exiting normally.\n", __func__);
4675 	}
4676 
4677 	/* Restore state if a resync event occurred during processing */
4678 	if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4679 		if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
4680 			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4681 		if (test_bit(RSCN_UPDATE, &save_flags)) {
4682 			set_bit(RSCN_UPDATE, &vha->dpc_flags);
4683 		}
4684 	}
4685 
4686 	return (rval);
4687 }
4688 
4689 /*
4690  * N2N Login
4691  *	Updates Fibre Channel Device Database with local loop devices.
4692  *
4693  * Input:
4694  *	ha = adapter block pointer.
4695  *
4696  * Returns:
4697  */
4698 static int qla24xx_n2n_handle_login(struct scsi_qla_host *vha,
4699 				    fc_port_t *fcport)
4700 {
4701 	struct qla_hw_data *ha = vha->hw;
4702 	int	res = QLA_SUCCESS, rval;
4703 	int	greater_wwpn = 0;
4704 	int	logged_in = 0;
4705 
4706 	if (ha->current_topology != ISP_CFG_N)
4707 		return res;
4708 
4709 	if (wwn_to_u64(vha->port_name) >
4710 	    wwn_to_u64(vha->n2n_port_name)) {
4711 		ql_dbg(ql_dbg_disc, vha, 0x2002,
4712 		    "HBA WWPN is greater %llx > target %llx\n",
4713 		    wwn_to_u64(vha->port_name),
4714 		    wwn_to_u64(vha->n2n_port_name));
4715 		greater_wwpn = 1;
4716 		fcport->d_id.b24 = vha->n2n_id;
4717 	}
4718 
4719 	fcport->loop_id = vha->loop_id;
4720 	fcport->fc4f_nvme = 0;
4721 	fcport->query = 1;
4722 
4723 	ql_dbg(ql_dbg_disc, vha, 0x4001,
4724 	    "Initiate N2N login handler: HBA port_id=%06x loopid=%d\n",
4725 	    fcport->d_id.b24, vha->loop_id);
4726 
4727 	/* Fill in member data. */
4728 	if (!greater_wwpn) {
4729 		rval = qla2x00_get_port_database(vha, fcport, 0);
4730 		ql_dbg(ql_dbg_disc, vha, 0x1051,
4731 		    "Remote login-state (%x/%x) port_id=%06x loop_id=%x, rval=%d\n",
4732 		    fcport->current_login_state, fcport->last_login_state,
4733 		    fcport->d_id.b24, fcport->loop_id, rval);
4734 
4735 		if (((fcport->current_login_state & 0xf) == 0x4) ||
4736 		    ((fcport->current_login_state & 0xf) == 0x6))
4737 			logged_in = 1;
4738 	}
4739 
4740 	if (logged_in || greater_wwpn) {
4741 		if (!vha->nvme_local_port && vha->flags.nvme_enabled)
4742 			qla_nvme_register_hba(vha);
4743 
4744 		/* Set connected N_Port d_id */
4745 		if (vha->flags.nvme_enabled)
4746 			fcport->fc4f_nvme = 1;
4747 
4748 		fcport->scan_state = QLA_FCPORT_FOUND;
4749 		fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4750 		fcport->disc_state = DSC_GNL;
4751 		fcport->n2n_flag = 1;
4752 		fcport->flags = 3;
4753 		vha->hw->flags.gpsc_supported = 0;
4754 
4755 		if (greater_wwpn) {
4756 			ql_dbg(ql_dbg_disc, vha, 0x20e5,
4757 			    "%s %d PLOGI ELS %8phC\n",
4758 			    __func__, __LINE__, fcport->port_name);
4759 
4760 			res = qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
4761 			    fcport, fcport->d_id);
4762 		}
4763 
4764 		if (res != QLA_SUCCESS) {
4765 			ql_log(ql_log_info, vha, 0xd04d,
4766 			    "PLOGI Failed: portid=%06x - retrying\n",
4767 			    fcport->d_id.b24);
4768 			res = QLA_SUCCESS;
4769 		} else {
4770 			/* State 0x6 means FCP PRLI complete */
4771 			if ((fcport->current_login_state & 0xf) == 0x6) {
4772 				ql_dbg(ql_dbg_disc, vha, 0x2118,
4773 				    "%s %d %8phC post GPDB work\n",
4774 				    __func__, __LINE__, fcport->port_name);
4775 				fcport->chip_reset =
4776 				    vha->hw->base_qpair->chip_reset;
4777 				qla24xx_post_gpdb_work(vha, fcport, 0);
4778 			} else {
4779 				ql_dbg(ql_dbg_disc, vha, 0x2118,
4780 				    "%s %d %8phC post NVMe PRLI\n",
4781 				    __func__, __LINE__, fcport->port_name);
4782 				qla24xx_post_prli_work(vha, fcport);
4783 			}
4784 		}
4785 	} else {
4786 		/* Wait for next database change */
4787 		set_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags);
4788 	}
4789 
4790 	return res;
4791 }
4792 
4793 /*
4794  * qla2x00_configure_local_loop
4795  *	Updates Fibre Channel Device Database with local loop devices.
4796  *
4797  * Input:
4798  *	ha = adapter block pointer.
4799  *
4800  * Returns:
4801  *	0 = success.
4802  */
4803 static int
4804 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
4805 {
4806 	int		rval, rval2;
4807 	int		found_devs;
4808 	int		found;
4809 	fc_port_t	*fcport, *new_fcport;
4810 
4811 	uint16_t	index;
4812 	uint16_t	entries;
4813 	char		*id_iter;
4814 	uint16_t	loop_id;
4815 	uint8_t		domain, area, al_pa;
4816 	struct qla_hw_data *ha = vha->hw;
4817 	unsigned long flags;
4818 
4819 	found_devs = 0;
4820 	new_fcport = NULL;
4821 	entries = MAX_FIBRE_DEVICES_LOOP;
4822 
4823 	/* Get list of logged in devices. */
4824 	memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
4825 	rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
4826 	    &entries);
4827 	if (rval != QLA_SUCCESS)
4828 		goto cleanup_allocation;
4829 
4830 	ql_dbg(ql_dbg_disc, vha, 0x2011,
4831 	    "Entries in ID list (%d).\n", entries);
4832 	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
4833 	    (uint8_t *)ha->gid_list,
4834 	    entries * sizeof(struct gid_list_info));
4835 
4836 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
4837 		fcport->scan_state = QLA_FCPORT_SCAN;
4838 	}
4839 
4840 	/* Allocate temporary fcport for any new fcports discovered. */
4841 	new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4842 	if (new_fcport == NULL) {
4843 		ql_log(ql_log_warn, vha, 0x2012,
4844 		    "Memory allocation failed for fcport.\n");
4845 		rval = QLA_MEMORY_ALLOC_FAILED;
4846 		goto cleanup_allocation;
4847 	}
4848 	new_fcport->flags &= ~FCF_FABRIC_DEVICE;
4849 
4850 	/* Inititae N2N login. */
4851 	if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
4852 		rval = qla24xx_n2n_handle_login(vha, new_fcport);
4853 		if (rval != QLA_SUCCESS)
4854 			goto cleanup_allocation;
4855 		return QLA_SUCCESS;
4856 	}
4857 
4858 	/* Add devices to port list. */
4859 	id_iter = (char *)ha->gid_list;
4860 	for (index = 0; index < entries; index++) {
4861 		domain = ((struct gid_list_info *)id_iter)->domain;
4862 		area = ((struct gid_list_info *)id_iter)->area;
4863 		al_pa = ((struct gid_list_info *)id_iter)->al_pa;
4864 		if (IS_QLA2100(ha) || IS_QLA2200(ha))
4865 			loop_id = (uint16_t)
4866 			    ((struct gid_list_info *)id_iter)->loop_id_2100;
4867 		else
4868 			loop_id = le16_to_cpu(
4869 			    ((struct gid_list_info *)id_iter)->loop_id);
4870 		id_iter += ha->gid_list_info_size;
4871 
4872 		/* Bypass reserved domain fields. */
4873 		if ((domain & 0xf0) == 0xf0)
4874 			continue;
4875 
4876 		/* Bypass if not same domain and area of adapter. */
4877 		if (area && domain &&
4878 		    (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
4879 			continue;
4880 
4881 		/* Bypass invalid local loop ID. */
4882 		if (loop_id > LAST_LOCAL_LOOP_ID)
4883 			continue;
4884 
4885 		memset(new_fcport->port_name, 0, WWN_SIZE);
4886 
4887 		/* Fill in member data. */
4888 		new_fcport->d_id.b.domain = domain;
4889 		new_fcport->d_id.b.area = area;
4890 		new_fcport->d_id.b.al_pa = al_pa;
4891 		new_fcport->loop_id = loop_id;
4892 		new_fcport->scan_state = QLA_FCPORT_FOUND;
4893 
4894 		rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
4895 		if (rval2 != QLA_SUCCESS) {
4896 			ql_dbg(ql_dbg_disc, vha, 0x2097,
4897 			    "Failed to retrieve fcport information "
4898 			    "-- get_port_database=%x, loop_id=0x%04x.\n",
4899 			    rval2, new_fcport->loop_id);
4900 			/* Skip retry if N2N */
4901 			if (ha->current_topology != ISP_CFG_N) {
4902 				ql_dbg(ql_dbg_disc, vha, 0x2105,
4903 				    "Scheduling resync.\n");
4904 				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4905 				continue;
4906 			}
4907 		}
4908 
4909 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4910 		/* Check for matching device in port list. */
4911 		found = 0;
4912 		fcport = NULL;
4913 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
4914 			if (memcmp(new_fcport->port_name, fcport->port_name,
4915 			    WWN_SIZE))
4916 				continue;
4917 
4918 			fcport->flags &= ~FCF_FABRIC_DEVICE;
4919 			fcport->loop_id = new_fcport->loop_id;
4920 			fcport->port_type = new_fcport->port_type;
4921 			fcport->d_id.b24 = new_fcport->d_id.b24;
4922 			memcpy(fcport->node_name, new_fcport->node_name,
4923 			    WWN_SIZE);
4924 			fcport->scan_state = QLA_FCPORT_FOUND;
4925 			found++;
4926 			break;
4927 		}
4928 
4929 		if (!found) {
4930 			/* New device, add to fcports list. */
4931 			list_add_tail(&new_fcport->list, &vha->vp_fcports);
4932 
4933 			/* Allocate a new replacement fcport. */
4934 			fcport = new_fcport;
4935 
4936 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4937 
4938 			new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4939 
4940 			if (new_fcport == NULL) {
4941 				ql_log(ql_log_warn, vha, 0xd031,
4942 				    "Failed to allocate memory for fcport.\n");
4943 				rval = QLA_MEMORY_ALLOC_FAILED;
4944 				goto cleanup_allocation;
4945 			}
4946 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4947 			new_fcport->flags &= ~FCF_FABRIC_DEVICE;
4948 		}
4949 
4950 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4951 
4952 		/* Base iIDMA settings on HBA port speed. */
4953 		fcport->fp_speed = ha->link_data_rate;
4954 
4955 		found_devs++;
4956 	}
4957 
4958 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
4959 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4960 			break;
4961 
4962 		if (fcport->scan_state == QLA_FCPORT_SCAN) {
4963 			if ((qla_dual_mode_enabled(vha) ||
4964 			    qla_ini_mode_enabled(vha)) &&
4965 			    atomic_read(&fcport->state) == FCS_ONLINE) {
4966 				qla2x00_mark_device_lost(vha, fcport,
4967 					ql2xplogiabsentdevice, 0);
4968 				if (fcport->loop_id != FC_NO_LOOP_ID &&
4969 				    (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
4970 				    fcport->port_type != FCT_INITIATOR &&
4971 				    fcport->port_type != FCT_BROADCAST) {
4972 					ql_dbg(ql_dbg_disc, vha, 0x20f0,
4973 					    "%s %d %8phC post del sess\n",
4974 					    __func__, __LINE__,
4975 					    fcport->port_name);
4976 
4977 					qlt_schedule_sess_for_deletion(fcport);
4978 					continue;
4979 				}
4980 			}
4981 		}
4982 
4983 		if (fcport->scan_state == QLA_FCPORT_FOUND)
4984 			qla24xx_fcport_handle_login(vha, fcport);
4985 	}
4986 
4987 cleanup_allocation:
4988 	kfree(new_fcport);
4989 
4990 	if (rval != QLA_SUCCESS) {
4991 		ql_dbg(ql_dbg_disc, vha, 0x2098,
4992 		    "Configure local loop error exit: rval=%x.\n", rval);
4993 	}
4994 
4995 	return (rval);
4996 }
4997 
4998 static void
4999 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5000 {
5001 	int rval;
5002 	uint16_t mb[MAILBOX_REGISTER_COUNT];
5003 	struct qla_hw_data *ha = vha->hw;
5004 
5005 	if (!IS_IIDMA_CAPABLE(ha))
5006 		return;
5007 
5008 	if (atomic_read(&fcport->state) != FCS_ONLINE)
5009 		return;
5010 
5011 	if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5012 	    fcport->fp_speed > ha->link_data_rate ||
5013 	    !ha->flags.gpsc_supported)
5014 		return;
5015 
5016 	rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5017 	    mb);
5018 	if (rval != QLA_SUCCESS) {
5019 		ql_dbg(ql_dbg_disc, vha, 0x2004,
5020 		    "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5021 		    fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5022 	} else {
5023 		ql_dbg(ql_dbg_disc, vha, 0x2005,
5024 		    "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5025 		    qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5026 		    fcport->fp_speed, fcport->port_name);
5027 	}
5028 }
5029 
5030 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5031 {
5032 	qla2x00_iidma_fcport(vha, fcport);
5033 	qla24xx_update_fcport_fcp_prio(vha, fcport);
5034 }
5035 
5036 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5037 {
5038 	struct qla_work_evt *e;
5039 
5040 	e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5041 	if (!e)
5042 		return QLA_FUNCTION_FAILED;
5043 
5044 	e->u.fcport.fcport = fcport;
5045 	return qla2x00_post_work(vha, e);
5046 }
5047 
5048 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5049 static void
5050 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5051 {
5052 	struct fc_rport_identifiers rport_ids;
5053 	struct fc_rport *rport;
5054 	unsigned long flags;
5055 
5056 	rport_ids.node_name = wwn_to_u64(fcport->node_name);
5057 	rport_ids.port_name = wwn_to_u64(fcport->port_name);
5058 	rport_ids.port_id = fcport->d_id.b.domain << 16 |
5059 	    fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5060 	rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5061 	fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5062 	if (!rport) {
5063 		ql_log(ql_log_warn, vha, 0x2006,
5064 		    "Unable to allocate fc remote port.\n");
5065 		return;
5066 	}
5067 
5068 	spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5069 	*((fc_port_t **)rport->dd_data) = fcport;
5070 	spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5071 
5072 	rport->supported_classes = fcport->supported_classes;
5073 
5074 	rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5075 	if (fcport->port_type == FCT_INITIATOR)
5076 		rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
5077 	if (fcport->port_type == FCT_TARGET)
5078 		rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
5079 
5080 	ql_dbg(ql_dbg_disc, vha, 0x20ee,
5081 	    "%s %8phN. rport %p is %s mode\n",
5082 	    __func__, fcport->port_name, rport,
5083 	    (fcport->port_type == FCT_TARGET) ? "tgt" : "ini");
5084 
5085 	fc_remote_port_rolechg(rport, rport_ids.roles);
5086 }
5087 
5088 /*
5089  * qla2x00_update_fcport
5090  *	Updates device on list.
5091  *
5092  * Input:
5093  *	ha = adapter block pointer.
5094  *	fcport = port structure pointer.
5095  *
5096  * Return:
5097  *	0  - Success
5098  *  BIT_0 - error
5099  *
5100  * Context:
5101  *	Kernel context.
5102  */
5103 void
5104 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5105 {
5106 	fcport->vha = vha;
5107 
5108 	if (IS_SW_RESV_ADDR(fcport->d_id))
5109 		return;
5110 
5111 	ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5112 	    __func__, fcport->port_name);
5113 
5114 	if (IS_QLAFX00(vha->hw)) {
5115 		qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5116 	} else {
5117 		fcport->login_retry = 0;
5118 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5119 		fcport->disc_state = DSC_LOGIN_COMPLETE;
5120 		fcport->deleted = 0;
5121 		fcport->logout_on_delete = 1;
5122 		qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5123 	}
5124 
5125 	qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5126 	qla2x00_iidma_fcport(vha, fcport);
5127 
5128 	if (fcport->fc4f_nvme) {
5129 		qla_nvme_register_remote(vha, fcport);
5130 		return;
5131 	}
5132 
5133 	qla24xx_update_fcport_fcp_prio(vha, fcport);
5134 
5135 	switch (vha->host->active_mode) {
5136 	case MODE_INITIATOR:
5137 		qla2x00_reg_remote_port(vha, fcport);
5138 		break;
5139 	case MODE_TARGET:
5140 		if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5141 			!vha->vha_tgt.qla_tgt->tgt_stopped)
5142 			qlt_fc_port_added(vha, fcport);
5143 		break;
5144 	case MODE_DUAL:
5145 		qla2x00_reg_remote_port(vha, fcport);
5146 		if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5147 			!vha->vha_tgt.qla_tgt->tgt_stopped)
5148 			qlt_fc_port_added(vha, fcport);
5149 		break;
5150 	default:
5151 		break;
5152 	}
5153 
5154 	if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5155 		if (fcport->id_changed) {
5156 			fcport->id_changed = 0;
5157 			ql_dbg(ql_dbg_disc, vha, 0x20d7,
5158 			    "%s %d %8phC post gfpnid fcp_cnt %d\n",
5159 			    __func__, __LINE__, fcport->port_name,
5160 			    vha->fcport_count);
5161 			qla24xx_post_gfpnid_work(vha, fcport);
5162 		} else {
5163 			ql_dbg(ql_dbg_disc, vha, 0x20d7,
5164 			    "%s %d %8phC post gpsc fcp_cnt %d\n",
5165 			    __func__, __LINE__, fcport->port_name,
5166 			    vha->fcport_count);
5167 			qla24xx_post_gpsc_work(vha, fcport);
5168 		}
5169 	}
5170 }
5171 
5172 /*
5173  * qla2x00_configure_fabric
5174  *      Setup SNS devices with loop ID's.
5175  *
5176  * Input:
5177  *      ha = adapter block pointer.
5178  *
5179  * Returns:
5180  *      0 = success.
5181  *      BIT_0 = error
5182  */
5183 static int
5184 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5185 {
5186 	int	rval;
5187 	fc_port_t	*fcport;
5188 	uint16_t	mb[MAILBOX_REGISTER_COUNT];
5189 	uint16_t	loop_id;
5190 	LIST_HEAD(new_fcports);
5191 	struct qla_hw_data *ha = vha->hw;
5192 	int		discovery_gen;
5193 
5194 	/* If FL port exists, then SNS is present */
5195 	if (IS_FWI2_CAPABLE(ha))
5196 		loop_id = NPH_F_PORT;
5197 	else
5198 		loop_id = SNS_FL_PORT;
5199 	rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5200 	if (rval != QLA_SUCCESS) {
5201 		ql_dbg(ql_dbg_disc, vha, 0x20a0,
5202 		    "MBX_GET_PORT_NAME failed, No FL Port.\n");
5203 
5204 		vha->device_flags &= ~SWITCH_FOUND;
5205 		return (QLA_SUCCESS);
5206 	}
5207 	vha->device_flags |= SWITCH_FOUND;
5208 
5209 
5210 	if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5211 		rval = qla2x00_send_change_request(vha, 0x3, 0);
5212 		if (rval != QLA_SUCCESS)
5213 			ql_log(ql_log_warn, vha, 0x121,
5214 				"Failed to enable receiving of RSCN requests: 0x%x.\n",
5215 				rval);
5216 	}
5217 
5218 
5219 	do {
5220 		qla2x00_mgmt_svr_login(vha);
5221 
5222 		/* FDMI support. */
5223 		if (ql2xfdmienable &&
5224 		    test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
5225 			qla2x00_fdmi_register(vha);
5226 
5227 		/* Ensure we are logged into the SNS. */
5228 		loop_id = NPH_SNS_LID(ha);
5229 		rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5230 		    0xfc, mb, BIT_1|BIT_0);
5231 		if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5232 			ql_dbg(ql_dbg_disc, vha, 0x20a1,
5233 			    "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
5234 			    loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5235 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5236 			return rval;
5237 		}
5238 		if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
5239 			if (qla2x00_rft_id(vha)) {
5240 				/* EMPTY */
5241 				ql_dbg(ql_dbg_disc, vha, 0x20a2,
5242 				    "Register FC-4 TYPE failed.\n");
5243 				if (test_bit(LOOP_RESYNC_NEEDED,
5244 				    &vha->dpc_flags))
5245 					break;
5246 			}
5247 			if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
5248 				/* EMPTY */
5249 				ql_dbg(ql_dbg_disc, vha, 0x209a,
5250 				    "Register FC-4 Features failed.\n");
5251 				if (test_bit(LOOP_RESYNC_NEEDED,
5252 				    &vha->dpc_flags))
5253 					break;
5254 			}
5255 			if (vha->flags.nvme_enabled) {
5256 				if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
5257 					ql_dbg(ql_dbg_disc, vha, 0x2049,
5258 					    "Register NVME FC Type Features failed.\n");
5259 				}
5260 			}
5261 			if (qla2x00_rnn_id(vha)) {
5262 				/* EMPTY */
5263 				ql_dbg(ql_dbg_disc, vha, 0x2104,
5264 				    "Register Node Name failed.\n");
5265 				if (test_bit(LOOP_RESYNC_NEEDED,
5266 				    &vha->dpc_flags))
5267 					break;
5268 			} else if (qla2x00_rsnn_nn(vha)) {
5269 				/* EMPTY */
5270 				ql_dbg(ql_dbg_disc, vha, 0x209b,
5271 				    "Register Symbolic Node Name failed.\n");
5272 				if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5273 					break;
5274 			}
5275 		}
5276 
5277 
5278 		/* Mark the time right before querying FW for connected ports.
5279 		 * This process is long, asynchronous and by the time it's done,
5280 		 * collected information might not be accurate anymore. E.g.
5281 		 * disconnected port might have re-connected and a brand new
5282 		 * session has been created. In this case session's generation
5283 		 * will be newer than discovery_gen. */
5284 		qlt_do_generation_tick(vha, &discovery_gen);
5285 
5286 		if (USE_ASYNC_SCAN(ha)) {
5287 			rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
5288 			    NULL);
5289 			if (rval)
5290 				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5291 		} else  {
5292 			list_for_each_entry(fcport, &vha->vp_fcports, list)
5293 				fcport->scan_state = QLA_FCPORT_SCAN;
5294 
5295 			rval = qla2x00_find_all_fabric_devs(vha);
5296 		}
5297 		if (rval != QLA_SUCCESS)
5298 			break;
5299 	} while (0);
5300 
5301 	if (!vha->nvme_local_port && vha->flags.nvme_enabled)
5302 		qla_nvme_register_hba(vha);
5303 
5304 	if (rval)
5305 		ql_dbg(ql_dbg_disc, vha, 0x2068,
5306 		    "Configure fabric error exit rval=%d.\n", rval);
5307 
5308 	return (rval);
5309 }
5310 
5311 /*
5312  * qla2x00_find_all_fabric_devs
5313  *
5314  * Input:
5315  *	ha = adapter block pointer.
5316  *	dev = database device entry pointer.
5317  *
5318  * Returns:
5319  *	0 = success.
5320  *
5321  * Context:
5322  *	Kernel context.
5323  */
5324 static int
5325 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
5326 {
5327 	int		rval;
5328 	uint16_t	loop_id;
5329 	fc_port_t	*fcport, *new_fcport;
5330 	int		found;
5331 
5332 	sw_info_t	*swl;
5333 	int		swl_idx;
5334 	int		first_dev, last_dev;
5335 	port_id_t	wrap = {}, nxt_d_id;
5336 	struct qla_hw_data *ha = vha->hw;
5337 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5338 	unsigned long flags;
5339 
5340 	rval = QLA_SUCCESS;
5341 
5342 	/* Try GID_PT to get device list, else GAN. */
5343 	if (!ha->swl)
5344 		ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5345 		    GFP_KERNEL);
5346 	swl = ha->swl;
5347 	if (!swl) {
5348 		/*EMPTY*/
5349 		ql_dbg(ql_dbg_disc, vha, 0x209c,
5350 		    "GID_PT allocations failed, fallback on GA_NXT.\n");
5351 	} else {
5352 		memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5353 		if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
5354 			swl = NULL;
5355 			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5356 				return rval;
5357 		} else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
5358 			swl = NULL;
5359 			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5360 				return rval;
5361 		} else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
5362 			swl = NULL;
5363 			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5364 				return rval;
5365 		} else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
5366 			swl = NULL;
5367 			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5368 				return rval;
5369 		}
5370 
5371 		/* If other queries succeeded probe for FC-4 type */
5372 		if (swl) {
5373 			qla2x00_gff_id(vha, swl);
5374 			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5375 				return rval;
5376 		}
5377 	}
5378 	swl_idx = 0;
5379 
5380 	/* Allocate temporary fcport for any new fcports discovered. */
5381 	new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5382 	if (new_fcport == NULL) {
5383 		ql_log(ql_log_warn, vha, 0x209d,
5384 		    "Failed to allocate memory for fcport.\n");
5385 		return (QLA_MEMORY_ALLOC_FAILED);
5386 	}
5387 	new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5388 	/* Set start port ID scan at adapter ID. */
5389 	first_dev = 1;
5390 	last_dev = 0;
5391 
5392 	/* Starting free loop ID. */
5393 	loop_id = ha->min_external_loopid;
5394 	for (; loop_id <= ha->max_loop_id; loop_id++) {
5395 		if (qla2x00_is_reserved_id(vha, loop_id))
5396 			continue;
5397 
5398 		if (ha->current_topology == ISP_CFG_FL &&
5399 		    (atomic_read(&vha->loop_down_timer) ||
5400 		     LOOP_TRANSITION(vha))) {
5401 			atomic_set(&vha->loop_down_timer, 0);
5402 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5403 			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5404 			break;
5405 		}
5406 
5407 		if (swl != NULL) {
5408 			if (last_dev) {
5409 				wrap.b24 = new_fcport->d_id.b24;
5410 			} else {
5411 				new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
5412 				memcpy(new_fcport->node_name,
5413 				    swl[swl_idx].node_name, WWN_SIZE);
5414 				memcpy(new_fcport->port_name,
5415 				    swl[swl_idx].port_name, WWN_SIZE);
5416 				memcpy(new_fcport->fabric_port_name,
5417 				    swl[swl_idx].fabric_port_name, WWN_SIZE);
5418 				new_fcport->fp_speed = swl[swl_idx].fp_speed;
5419 				new_fcport->fc4_type = swl[swl_idx].fc4_type;
5420 
5421 				new_fcport->nvme_flag = 0;
5422 				new_fcport->fc4f_nvme = 0;
5423 				if (vha->flags.nvme_enabled &&
5424 				    swl[swl_idx].fc4f_nvme) {
5425 					new_fcport->fc4f_nvme =
5426 					    swl[swl_idx].fc4f_nvme;
5427 					ql_log(ql_log_info, vha, 0x2131,
5428 					    "FOUND: NVME port %8phC as FC Type 28h\n",
5429 					    new_fcport->port_name);
5430 				}
5431 
5432 				if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
5433 					last_dev = 1;
5434 				}
5435 				swl_idx++;
5436 			}
5437 		} else {
5438 			/* Send GA_NXT to the switch */
5439 			rval = qla2x00_ga_nxt(vha, new_fcport);
5440 			if (rval != QLA_SUCCESS) {
5441 				ql_log(ql_log_warn, vha, 0x209e,
5442 				    "SNS scan failed -- assuming "
5443 				    "zero-entry result.\n");
5444 				rval = QLA_SUCCESS;
5445 				break;
5446 			}
5447 		}
5448 
5449 		/* If wrap on switch device list, exit. */
5450 		if (first_dev) {
5451 			wrap.b24 = new_fcport->d_id.b24;
5452 			first_dev = 0;
5453 		} else if (new_fcport->d_id.b24 == wrap.b24) {
5454 			ql_dbg(ql_dbg_disc, vha, 0x209f,
5455 			    "Device wrap (%02x%02x%02x).\n",
5456 			    new_fcport->d_id.b.domain,
5457 			    new_fcport->d_id.b.area,
5458 			    new_fcport->d_id.b.al_pa);
5459 			break;
5460 		}
5461 
5462 		/* Bypass if same physical adapter. */
5463 		if (new_fcport->d_id.b24 == base_vha->d_id.b24)
5464 			continue;
5465 
5466 		/* Bypass virtual ports of the same host. */
5467 		if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
5468 			continue;
5469 
5470 		/* Bypass if same domain and area of adapter. */
5471 		if (((new_fcport->d_id.b24 & 0xffff00) ==
5472 		    (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
5473 			ISP_CFG_FL)
5474 			    continue;
5475 
5476 		/* Bypass reserved domain fields. */
5477 		if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
5478 			continue;
5479 
5480 		/* Bypass ports whose FCP-4 type is not FCP_SCSI */
5481 		if (ql2xgffidenable &&
5482 		    (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
5483 		    new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
5484 			continue;
5485 
5486 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5487 
5488 		/* Locate matching device in database. */
5489 		found = 0;
5490 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
5491 			if (memcmp(new_fcport->port_name, fcport->port_name,
5492 			    WWN_SIZE))
5493 				continue;
5494 
5495 			fcport->scan_state = QLA_FCPORT_FOUND;
5496 
5497 			found++;
5498 
5499 			/* Update port state. */
5500 			memcpy(fcport->fabric_port_name,
5501 			    new_fcport->fabric_port_name, WWN_SIZE);
5502 			fcport->fp_speed = new_fcport->fp_speed;
5503 
5504 			/*
5505 			 * If address the same and state FCS_ONLINE
5506 			 * (or in target mode), nothing changed.
5507 			 */
5508 			if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
5509 			    (atomic_read(&fcport->state) == FCS_ONLINE ||
5510 			     (vha->host->active_mode == MODE_TARGET))) {
5511 				break;
5512 			}
5513 
5514 			/*
5515 			 * If device was not a fabric device before.
5516 			 */
5517 			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
5518 				fcport->d_id.b24 = new_fcport->d_id.b24;
5519 				qla2x00_clear_loop_id(fcport);
5520 				fcport->flags |= (FCF_FABRIC_DEVICE |
5521 				    FCF_LOGIN_NEEDED);
5522 				break;
5523 			}
5524 
5525 			/*
5526 			 * Port ID changed or device was marked to be updated;
5527 			 * Log it out if still logged in and mark it for
5528 			 * relogin later.
5529 			 */
5530 			if (qla_tgt_mode_enabled(base_vha)) {
5531 				ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
5532 					 "port changed FC ID, %8phC"
5533 					 " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
5534 					 fcport->port_name,
5535 					 fcport->d_id.b.domain,
5536 					 fcport->d_id.b.area,
5537 					 fcport->d_id.b.al_pa,
5538 					 fcport->loop_id,
5539 					 new_fcport->d_id.b.domain,
5540 					 new_fcport->d_id.b.area,
5541 					 new_fcport->d_id.b.al_pa);
5542 				fcport->d_id.b24 = new_fcport->d_id.b24;
5543 				break;
5544 			}
5545 
5546 			fcport->d_id.b24 = new_fcport->d_id.b24;
5547 			fcport->flags |= FCF_LOGIN_NEEDED;
5548 			break;
5549 		}
5550 
5551 		if (fcport->fc4f_nvme) {
5552 			if (fcport->disc_state == DSC_DELETE_PEND) {
5553 				fcport->disc_state = DSC_GNL;
5554 				vha->fcport_count--;
5555 				fcport->login_succ = 0;
5556 			}
5557 		}
5558 
5559 		if (found) {
5560 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5561 			continue;
5562 		}
5563 		/* If device was not in our fcports list, then add it. */
5564 		new_fcport->scan_state = QLA_FCPORT_FOUND;
5565 		list_add_tail(&new_fcport->list, &vha->vp_fcports);
5566 
5567 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5568 
5569 
5570 		/* Allocate a new replacement fcport. */
5571 		nxt_d_id.b24 = new_fcport->d_id.b24;
5572 		new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5573 		if (new_fcport == NULL) {
5574 			ql_log(ql_log_warn, vha, 0xd032,
5575 			    "Memory allocation failed for fcport.\n");
5576 			return (QLA_MEMORY_ALLOC_FAILED);
5577 		}
5578 		new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5579 		new_fcport->d_id.b24 = nxt_d_id.b24;
5580 	}
5581 
5582 	qla2x00_free_fcport(new_fcport);
5583 
5584 	/*
5585 	 * Logout all previous fabric dev marked lost, except FCP2 devices.
5586 	 */
5587 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5588 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5589 			break;
5590 
5591 		if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
5592 		    (fcport->flags & FCF_LOGIN_NEEDED) == 0)
5593 			continue;
5594 
5595 		if (fcport->scan_state == QLA_FCPORT_SCAN) {
5596 			if ((qla_dual_mode_enabled(vha) ||
5597 			    qla_ini_mode_enabled(vha)) &&
5598 			    atomic_read(&fcport->state) == FCS_ONLINE) {
5599 				qla2x00_mark_device_lost(vha, fcport,
5600 					ql2xplogiabsentdevice, 0);
5601 				if (fcport->loop_id != FC_NO_LOOP_ID &&
5602 				    (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5603 				    fcport->port_type != FCT_INITIATOR &&
5604 				    fcport->port_type != FCT_BROADCAST) {
5605 					ql_dbg(ql_dbg_disc, vha, 0x20f0,
5606 					    "%s %d %8phC post del sess\n",
5607 					    __func__, __LINE__,
5608 					    fcport->port_name);
5609 					qlt_schedule_sess_for_deletion(fcport);
5610 					continue;
5611 				}
5612 			}
5613 		}
5614 
5615 		if (fcport->scan_state == QLA_FCPORT_FOUND)
5616 			qla24xx_fcport_handle_login(vha, fcport);
5617 	}
5618 	return (rval);
5619 }
5620 
5621 /*
5622  * qla2x00_find_new_loop_id
5623  *	Scan through our port list and find a new usable loop ID.
5624  *
5625  * Input:
5626  *	ha:	adapter state pointer.
5627  *	dev:	port structure pointer.
5628  *
5629  * Returns:
5630  *	qla2x00 local function return status code.
5631  *
5632  * Context:
5633  *	Kernel context.
5634  */
5635 int
5636 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
5637 {
5638 	int	rval;
5639 	struct qla_hw_data *ha = vha->hw;
5640 	unsigned long flags = 0;
5641 
5642 	rval = QLA_SUCCESS;
5643 
5644 	spin_lock_irqsave(&ha->vport_slock, flags);
5645 
5646 	dev->loop_id = find_first_zero_bit(ha->loop_id_map,
5647 	    LOOPID_MAP_SIZE);
5648 	if (dev->loop_id >= LOOPID_MAP_SIZE ||
5649 	    qla2x00_is_reserved_id(vha, dev->loop_id)) {
5650 		dev->loop_id = FC_NO_LOOP_ID;
5651 		rval = QLA_FUNCTION_FAILED;
5652 	} else
5653 		set_bit(dev->loop_id, ha->loop_id_map);
5654 
5655 	spin_unlock_irqrestore(&ha->vport_slock, flags);
5656 
5657 	if (rval == QLA_SUCCESS)
5658 		ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
5659 		    "Assigning new loopid=%x, portid=%x.\n",
5660 		    dev->loop_id, dev->d_id.b24);
5661 	else
5662 		ql_log(ql_log_warn, dev->vha, 0x2087,
5663 		    "No loop_id's available, portid=%x.\n",
5664 		    dev->d_id.b24);
5665 
5666 	return (rval);
5667 }
5668 
5669 
5670 /*
5671  * qla2x00_fabric_login
5672  *	Issue fabric login command.
5673  *
5674  * Input:
5675  *	ha = adapter block pointer.
5676  *	device = pointer to FC device type structure.
5677  *
5678  * Returns:
5679  *      0 - Login successfully
5680  *      1 - Login failed
5681  *      2 - Initiator device
5682  *      3 - Fatal error
5683  */
5684 int
5685 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
5686     uint16_t *next_loopid)
5687 {
5688 	int	rval;
5689 	int	retry;
5690 	uint16_t tmp_loopid;
5691 	uint16_t mb[MAILBOX_REGISTER_COUNT];
5692 	struct qla_hw_data *ha = vha->hw;
5693 
5694 	retry = 0;
5695 	tmp_loopid = 0;
5696 
5697 	for (;;) {
5698 		ql_dbg(ql_dbg_disc, vha, 0x2000,
5699 		    "Trying Fabric Login w/loop id 0x%04x for port "
5700 		    "%02x%02x%02x.\n",
5701 		    fcport->loop_id, fcport->d_id.b.domain,
5702 		    fcport->d_id.b.area, fcport->d_id.b.al_pa);
5703 
5704 		/* Login fcport on switch. */
5705 		rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
5706 		    fcport->d_id.b.domain, fcport->d_id.b.area,
5707 		    fcport->d_id.b.al_pa, mb, BIT_0);
5708 		if (rval != QLA_SUCCESS) {
5709 			return rval;
5710 		}
5711 		if (mb[0] == MBS_PORT_ID_USED) {
5712 			/*
5713 			 * Device has another loop ID.  The firmware team
5714 			 * recommends the driver perform an implicit login with
5715 			 * the specified ID again. The ID we just used is save
5716 			 * here so we return with an ID that can be tried by
5717 			 * the next login.
5718 			 */
5719 			retry++;
5720 			tmp_loopid = fcport->loop_id;
5721 			fcport->loop_id = mb[1];
5722 
5723 			ql_dbg(ql_dbg_disc, vha, 0x2001,
5724 			    "Fabric Login: port in use - next loop "
5725 			    "id=0x%04x, port id= %02x%02x%02x.\n",
5726 			    fcport->loop_id, fcport->d_id.b.domain,
5727 			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
5728 
5729 		} else if (mb[0] == MBS_COMMAND_COMPLETE) {
5730 			/*
5731 			 * Login succeeded.
5732 			 */
5733 			if (retry) {
5734 				/* A retry occurred before. */
5735 				*next_loopid = tmp_loopid;
5736 			} else {
5737 				/*
5738 				 * No retry occurred before. Just increment the
5739 				 * ID value for next login.
5740 				 */
5741 				*next_loopid = (fcport->loop_id + 1);
5742 			}
5743 
5744 			if (mb[1] & BIT_0) {
5745 				fcport->port_type = FCT_INITIATOR;
5746 			} else {
5747 				fcport->port_type = FCT_TARGET;
5748 				if (mb[1] & BIT_1) {
5749 					fcport->flags |= FCF_FCP2_DEVICE;
5750 				}
5751 			}
5752 
5753 			if (mb[10] & BIT_0)
5754 				fcport->supported_classes |= FC_COS_CLASS2;
5755 			if (mb[10] & BIT_1)
5756 				fcport->supported_classes |= FC_COS_CLASS3;
5757 
5758 			if (IS_FWI2_CAPABLE(ha)) {
5759 				if (mb[10] & BIT_7)
5760 					fcport->flags |=
5761 					    FCF_CONF_COMP_SUPPORTED;
5762 			}
5763 
5764 			rval = QLA_SUCCESS;
5765 			break;
5766 		} else if (mb[0] == MBS_LOOP_ID_USED) {
5767 			/*
5768 			 * Loop ID already used, try next loop ID.
5769 			 */
5770 			fcport->loop_id++;
5771 			rval = qla2x00_find_new_loop_id(vha, fcport);
5772 			if (rval != QLA_SUCCESS) {
5773 				/* Ran out of loop IDs to use */
5774 				break;
5775 			}
5776 		} else if (mb[0] == MBS_COMMAND_ERROR) {
5777 			/*
5778 			 * Firmware possibly timed out during login. If NO
5779 			 * retries are left to do then the device is declared
5780 			 * dead.
5781 			 */
5782 			*next_loopid = fcport->loop_id;
5783 			ha->isp_ops->fabric_logout(vha, fcport->loop_id,
5784 			    fcport->d_id.b.domain, fcport->d_id.b.area,
5785 			    fcport->d_id.b.al_pa);
5786 			qla2x00_mark_device_lost(vha, fcport, 1, 0);
5787 
5788 			rval = 1;
5789 			break;
5790 		} else {
5791 			/*
5792 			 * unrecoverable / not handled error
5793 			 */
5794 			ql_dbg(ql_dbg_disc, vha, 0x2002,
5795 			    "Failed=%x port_id=%02x%02x%02x loop_id=%x "
5796 			    "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
5797 			    fcport->d_id.b.area, fcport->d_id.b.al_pa,
5798 			    fcport->loop_id, jiffies);
5799 
5800 			*next_loopid = fcport->loop_id;
5801 			ha->isp_ops->fabric_logout(vha, fcport->loop_id,
5802 			    fcport->d_id.b.domain, fcport->d_id.b.area,
5803 			    fcport->d_id.b.al_pa);
5804 			qla2x00_clear_loop_id(fcport);
5805 			fcport->login_retry = 0;
5806 
5807 			rval = 3;
5808 			break;
5809 		}
5810 	}
5811 
5812 	return (rval);
5813 }
5814 
5815 /*
5816  * qla2x00_local_device_login
5817  *	Issue local device login command.
5818  *
5819  * Input:
5820  *	ha = adapter block pointer.
5821  *	loop_id = loop id of device to login to.
5822  *
5823  * Returns (Where's the #define!!!!):
5824  *      0 - Login successfully
5825  *      1 - Login failed
5826  *      3 - Fatal error
5827  */
5828 int
5829 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
5830 {
5831 	int		rval;
5832 	uint16_t	mb[MAILBOX_REGISTER_COUNT];
5833 
5834 	memset(mb, 0, sizeof(mb));
5835 	rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
5836 	if (rval == QLA_SUCCESS) {
5837 		/* Interrogate mailbox registers for any errors */
5838 		if (mb[0] == MBS_COMMAND_ERROR)
5839 			rval = 1;
5840 		else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
5841 			/* device not in PCB table */
5842 			rval = 3;
5843 	}
5844 
5845 	return (rval);
5846 }
5847 
5848 /*
5849  *  qla2x00_loop_resync
5850  *      Resync with fibre channel devices.
5851  *
5852  * Input:
5853  *      ha = adapter block pointer.
5854  *
5855  * Returns:
5856  *      0 = success
5857  */
5858 int
5859 qla2x00_loop_resync(scsi_qla_host_t *vha)
5860 {
5861 	int rval = QLA_SUCCESS;
5862 	uint32_t wait_time;
5863 	struct req_que *req;
5864 	struct rsp_que *rsp;
5865 
5866 	req = vha->req;
5867 	rsp = req->rsp;
5868 
5869 	clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5870 	if (vha->flags.online) {
5871 		if (!(rval = qla2x00_fw_ready(vha))) {
5872 			/* Wait at most MAX_TARGET RSCNs for a stable link. */
5873 			wait_time = 256;
5874 			do {
5875 				if (!IS_QLAFX00(vha->hw)) {
5876 					/*
5877 					 * Issue a marker after FW becomes
5878 					 * ready.
5879 					 */
5880 					qla2x00_marker(vha, req, rsp, 0, 0,
5881 						MK_SYNC_ALL);
5882 					vha->marker_needed = 0;
5883 				}
5884 
5885 				/* Remap devices on Loop. */
5886 				clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5887 
5888 				if (IS_QLAFX00(vha->hw))
5889 					qlafx00_configure_devices(vha);
5890 				else
5891 					qla2x00_configure_loop(vha);
5892 
5893 				wait_time--;
5894 			} while (!atomic_read(&vha->loop_down_timer) &&
5895 				!(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
5896 				&& wait_time && (test_bit(LOOP_RESYNC_NEEDED,
5897 				&vha->dpc_flags)));
5898 		}
5899 	}
5900 
5901 	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
5902 		return (QLA_FUNCTION_FAILED);
5903 
5904 	if (rval)
5905 		ql_dbg(ql_dbg_disc, vha, 0x206c,
5906 		    "%s *** FAILED ***.\n", __func__);
5907 
5908 	return (rval);
5909 }
5910 
5911 /*
5912 * qla2x00_perform_loop_resync
5913 * Description: This function will set the appropriate flags and call
5914 *              qla2x00_loop_resync. If successful loop will be resynced
5915 * Arguments : scsi_qla_host_t pointer
5916 * returm    : Success or Failure
5917 */
5918 
5919 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
5920 {
5921 	int32_t rval = 0;
5922 
5923 	if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
5924 		/*Configure the flags so that resync happens properly*/
5925 		atomic_set(&ha->loop_down_timer, 0);
5926 		if (!(ha->device_flags & DFLG_NO_CABLE)) {
5927 			atomic_set(&ha->loop_state, LOOP_UP);
5928 			set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
5929 			set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
5930 			set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
5931 
5932 			rval = qla2x00_loop_resync(ha);
5933 		} else
5934 			atomic_set(&ha->loop_state, LOOP_DEAD);
5935 
5936 		clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
5937 	}
5938 
5939 	return rval;
5940 }
5941 
5942 void
5943 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
5944 {
5945 	fc_port_t *fcport;
5946 	struct scsi_qla_host *vha;
5947 	struct qla_hw_data *ha = base_vha->hw;
5948 	unsigned long flags;
5949 
5950 	spin_lock_irqsave(&ha->vport_slock, flags);
5951 	/* Go with deferred removal of rport references. */
5952 	list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
5953 		atomic_inc(&vha->vref_count);
5954 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
5955 			if (fcport->drport &&
5956 			    atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
5957 				spin_unlock_irqrestore(&ha->vport_slock, flags);
5958 				qla2x00_rport_del(fcport);
5959 
5960 				spin_lock_irqsave(&ha->vport_slock, flags);
5961 			}
5962 		}
5963 		atomic_dec(&vha->vref_count);
5964 		wake_up(&vha->vref_waitq);
5965 	}
5966 	spin_unlock_irqrestore(&ha->vport_slock, flags);
5967 }
5968 
5969 /* Assumes idc_lock always held on entry */
5970 void
5971 qla83xx_reset_ownership(scsi_qla_host_t *vha)
5972 {
5973 	struct qla_hw_data *ha = vha->hw;
5974 	uint32_t drv_presence, drv_presence_mask;
5975 	uint32_t dev_part_info1, dev_part_info2, class_type;
5976 	uint32_t class_type_mask = 0x3;
5977 	uint16_t fcoe_other_function = 0xffff, i;
5978 
5979 	if (IS_QLA8044(ha)) {
5980 		drv_presence = qla8044_rd_direct(vha,
5981 		    QLA8044_CRB_DRV_ACTIVE_INDEX);
5982 		dev_part_info1 = qla8044_rd_direct(vha,
5983 		    QLA8044_CRB_DEV_PART_INFO_INDEX);
5984 		dev_part_info2 = qla8044_rd_direct(vha,
5985 		    QLA8044_CRB_DEV_PART_INFO2);
5986 	} else {
5987 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5988 		qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
5989 		qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
5990 	}
5991 	for (i = 0; i < 8; i++) {
5992 		class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
5993 		if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
5994 		    (i != ha->portnum)) {
5995 			fcoe_other_function = i;
5996 			break;
5997 		}
5998 	}
5999 	if (fcoe_other_function == 0xffff) {
6000 		for (i = 0; i < 8; i++) {
6001 			class_type = ((dev_part_info2 >> (i * 4)) &
6002 			    class_type_mask);
6003 			if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6004 			    ((i + 8) != ha->portnum)) {
6005 				fcoe_other_function = i + 8;
6006 				break;
6007 			}
6008 		}
6009 	}
6010 	/*
6011 	 * Prepare drv-presence mask based on fcoe functions present.
6012 	 * However consider only valid physical fcoe function numbers (0-15).
6013 	 */
6014 	drv_presence_mask = ~((1 << (ha->portnum)) |
6015 			((fcoe_other_function == 0xffff) ?
6016 			 0 : (1 << (fcoe_other_function))));
6017 
6018 	/* We are the reset owner iff:
6019 	 *    - No other protocol drivers present.
6020 	 *    - This is the lowest among fcoe functions. */
6021 	if (!(drv_presence & drv_presence_mask) &&
6022 			(ha->portnum < fcoe_other_function)) {
6023 		ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6024 		    "This host is Reset owner.\n");
6025 		ha->flags.nic_core_reset_owner = 1;
6026 	}
6027 }
6028 
6029 static int
6030 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6031 {
6032 	int rval = QLA_SUCCESS;
6033 	struct qla_hw_data *ha = vha->hw;
6034 	uint32_t drv_ack;
6035 
6036 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6037 	if (rval == QLA_SUCCESS) {
6038 		drv_ack |= (1 << ha->portnum);
6039 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6040 	}
6041 
6042 	return rval;
6043 }
6044 
6045 static int
6046 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6047 {
6048 	int rval = QLA_SUCCESS;
6049 	struct qla_hw_data *ha = vha->hw;
6050 	uint32_t drv_ack;
6051 
6052 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6053 	if (rval == QLA_SUCCESS) {
6054 		drv_ack &= ~(1 << ha->portnum);
6055 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6056 	}
6057 
6058 	return rval;
6059 }
6060 
6061 static const char *
6062 qla83xx_dev_state_to_string(uint32_t dev_state)
6063 {
6064 	switch (dev_state) {
6065 	case QLA8XXX_DEV_COLD:
6066 		return "COLD/RE-INIT";
6067 	case QLA8XXX_DEV_INITIALIZING:
6068 		return "INITIALIZING";
6069 	case QLA8XXX_DEV_READY:
6070 		return "READY";
6071 	case QLA8XXX_DEV_NEED_RESET:
6072 		return "NEED RESET";
6073 	case QLA8XXX_DEV_NEED_QUIESCENT:
6074 		return "NEED QUIESCENT";
6075 	case QLA8XXX_DEV_FAILED:
6076 		return "FAILED";
6077 	case QLA8XXX_DEV_QUIESCENT:
6078 		return "QUIESCENT";
6079 	default:
6080 		return "Unknown";
6081 	}
6082 }
6083 
6084 /* Assumes idc-lock always held on entry */
6085 void
6086 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6087 {
6088 	struct qla_hw_data *ha = vha->hw;
6089 	uint32_t idc_audit_reg = 0, duration_secs = 0;
6090 
6091 	switch (audit_type) {
6092 	case IDC_AUDIT_TIMESTAMP:
6093 		ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6094 		idc_audit_reg = (ha->portnum) |
6095 		    (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6096 		qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6097 		break;
6098 
6099 	case IDC_AUDIT_COMPLETION:
6100 		duration_secs = ((jiffies_to_msecs(jiffies) -
6101 		    jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6102 		idc_audit_reg = (ha->portnum) |
6103 		    (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6104 		qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6105 		break;
6106 
6107 	default:
6108 		ql_log(ql_log_warn, vha, 0xb078,
6109 		    "Invalid audit type specified.\n");
6110 		break;
6111 	}
6112 }
6113 
6114 /* Assumes idc_lock always held on entry */
6115 static int
6116 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6117 {
6118 	struct qla_hw_data *ha = vha->hw;
6119 	uint32_t  idc_control, dev_state;
6120 
6121 	__qla83xx_get_idc_control(vha, &idc_control);
6122 	if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6123 		ql_log(ql_log_info, vha, 0xb080,
6124 		    "NIC Core reset has been disabled. idc-control=0x%x\n",
6125 		    idc_control);
6126 		return QLA_FUNCTION_FAILED;
6127 	}
6128 
6129 	/* Set NEED-RESET iff in READY state and we are the reset-owner */
6130 	qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6131 	if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6132 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6133 		    QLA8XXX_DEV_NEED_RESET);
6134 		ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6135 		qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6136 	} else {
6137 		const char *state = qla83xx_dev_state_to_string(dev_state);
6138 		ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
6139 
6140 		/* SV: XXX: Is timeout required here? */
6141 		/* Wait for IDC state change READY -> NEED_RESET */
6142 		while (dev_state == QLA8XXX_DEV_READY) {
6143 			qla83xx_idc_unlock(vha, 0);
6144 			msleep(200);
6145 			qla83xx_idc_lock(vha, 0);
6146 			qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6147 		}
6148 	}
6149 
6150 	/* Send IDC ack by writing to drv-ack register */
6151 	__qla83xx_set_drv_ack(vha);
6152 
6153 	return QLA_SUCCESS;
6154 }
6155 
6156 int
6157 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6158 {
6159 	return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6160 }
6161 
6162 int
6163 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6164 {
6165 	return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6166 }
6167 
6168 static int
6169 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6170 {
6171 	uint32_t drv_presence = 0;
6172 	struct qla_hw_data *ha = vha->hw;
6173 
6174 	qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6175 	if (drv_presence & (1 << ha->portnum))
6176 		return QLA_SUCCESS;
6177 	else
6178 		return QLA_TEST_FAILED;
6179 }
6180 
6181 int
6182 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6183 {
6184 	int rval = QLA_SUCCESS;
6185 	struct qla_hw_data *ha = vha->hw;
6186 
6187 	ql_dbg(ql_dbg_p3p, vha, 0xb058,
6188 	    "Entered  %s().\n", __func__);
6189 
6190 	if (vha->device_flags & DFLG_DEV_FAILED) {
6191 		ql_log(ql_log_warn, vha, 0xb059,
6192 		    "Device in unrecoverable FAILED state.\n");
6193 		return QLA_FUNCTION_FAILED;
6194 	}
6195 
6196 	qla83xx_idc_lock(vha, 0);
6197 
6198 	if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6199 		ql_log(ql_log_warn, vha, 0xb05a,
6200 		    "Function=0x%x has been removed from IDC participation.\n",
6201 		    ha->portnum);
6202 		rval = QLA_FUNCTION_FAILED;
6203 		goto exit;
6204 	}
6205 
6206 	qla83xx_reset_ownership(vha);
6207 
6208 	rval = qla83xx_initiating_reset(vha);
6209 
6210 	/*
6211 	 * Perform reset if we are the reset-owner,
6212 	 * else wait till IDC state changes to READY/FAILED.
6213 	 */
6214 	if (rval == QLA_SUCCESS) {
6215 		rval = qla83xx_idc_state_handler(vha);
6216 
6217 		if (rval == QLA_SUCCESS)
6218 			ha->flags.nic_core_hung = 0;
6219 		__qla83xx_clear_drv_ack(vha);
6220 	}
6221 
6222 exit:
6223 	qla83xx_idc_unlock(vha, 0);
6224 
6225 	ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6226 
6227 	return rval;
6228 }
6229 
6230 int
6231 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6232 {
6233 	struct qla_hw_data *ha = vha->hw;
6234 	int rval = QLA_FUNCTION_FAILED;
6235 
6236 	if (!IS_MCTP_CAPABLE(ha)) {
6237 		/* This message can be removed from the final version */
6238 		ql_log(ql_log_info, vha, 0x506d,
6239 		    "This board is not MCTP capable\n");
6240 		return rval;
6241 	}
6242 
6243 	if (!ha->mctp_dump) {
6244 		ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6245 		    MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6246 
6247 		if (!ha->mctp_dump) {
6248 			ql_log(ql_log_warn, vha, 0x506e,
6249 			    "Failed to allocate memory for mctp dump\n");
6250 			return rval;
6251 		}
6252 	}
6253 
6254 #define MCTP_DUMP_STR_ADDR	0x00000000
6255 	rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6256 	    MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6257 	if (rval != QLA_SUCCESS) {
6258 		ql_log(ql_log_warn, vha, 0x506f,
6259 		    "Failed to capture mctp dump\n");
6260 	} else {
6261 		ql_log(ql_log_info, vha, 0x5070,
6262 		    "Mctp dump capture for host (%ld/%p).\n",
6263 		    vha->host_no, ha->mctp_dump);
6264 		ha->mctp_dumped = 1;
6265 	}
6266 
6267 	if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6268 		ha->flags.nic_core_reset_hdlr_active = 1;
6269 		rval = qla83xx_restart_nic_firmware(vha);
6270 		if (rval)
6271 			/* NIC Core reset failed. */
6272 			ql_log(ql_log_warn, vha, 0x5071,
6273 			    "Failed to restart nic firmware\n");
6274 		else
6275 			ql_dbg(ql_dbg_p3p, vha, 0xb084,
6276 			    "Restarted NIC firmware successfully.\n");
6277 		ha->flags.nic_core_reset_hdlr_active = 0;
6278 	}
6279 
6280 	return rval;
6281 
6282 }
6283 
6284 /*
6285 * qla2x00_quiesce_io
6286 * Description: This function will block the new I/Os
6287 *              Its not aborting any I/Os as context
6288 *              is not destroyed during quiescence
6289 * Arguments: scsi_qla_host_t
6290 * return   : void
6291 */
6292 void
6293 qla2x00_quiesce_io(scsi_qla_host_t *vha)
6294 {
6295 	struct qla_hw_data *ha = vha->hw;
6296 	struct scsi_qla_host *vp;
6297 
6298 	ql_dbg(ql_dbg_dpc, vha, 0x401d,
6299 	    "Quiescing I/O - ha=%p.\n", ha);
6300 
6301 	atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
6302 	if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6303 		atomic_set(&vha->loop_state, LOOP_DOWN);
6304 		qla2x00_mark_all_devices_lost(vha, 0);
6305 		list_for_each_entry(vp, &ha->vp_list, list)
6306 			qla2x00_mark_all_devices_lost(vp, 0);
6307 	} else {
6308 		if (!atomic_read(&vha->loop_down_timer))
6309 			atomic_set(&vha->loop_down_timer,
6310 					LOOP_DOWN_TIME);
6311 	}
6312 	/* Wait for pending cmds to complete */
6313 	qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
6314 }
6315 
6316 void
6317 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
6318 {
6319 	struct qla_hw_data *ha = vha->hw;
6320 	struct scsi_qla_host *vp;
6321 	unsigned long flags;
6322 	fc_port_t *fcport;
6323 	u16 i;
6324 
6325 	/* For ISP82XX, driver waits for completion of the commands.
6326 	 * online flag should be set.
6327 	 */
6328 	if (!(IS_P3P_TYPE(ha)))
6329 		vha->flags.online = 0;
6330 	ha->flags.chip_reset_done = 0;
6331 	clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6332 	vha->qla_stats.total_isp_aborts++;
6333 
6334 	ql_log(ql_log_info, vha, 0x00af,
6335 	    "Performing ISP error recovery - ha=%p.\n", ha);
6336 
6337 	/* For ISP82XX, reset_chip is just disabling interrupts.
6338 	 * Driver waits for the completion of the commands.
6339 	 * the interrupts need to be enabled.
6340 	 */
6341 	if (!(IS_P3P_TYPE(ha)))
6342 		ha->isp_ops->reset_chip(vha);
6343 
6344 	SAVE_TOPO(ha);
6345 	ha->flags.rida_fmt2 = 0;
6346 	ha->flags.n2n_ae = 0;
6347 	ha->flags.lip_ae = 0;
6348 	ha->current_topology = 0;
6349 	ha->flags.fw_started = 0;
6350 	ha->flags.fw_init_done = 0;
6351 	ha->base_qpair->chip_reset++;
6352 	for (i = 0; i < ha->max_qpairs; i++) {
6353 		if (ha->queue_pair_map[i])
6354 			ha->queue_pair_map[i]->chip_reset =
6355 				ha->base_qpair->chip_reset;
6356 	}
6357 
6358 	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
6359 	if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6360 		atomic_set(&vha->loop_state, LOOP_DOWN);
6361 		qla2x00_mark_all_devices_lost(vha, 0);
6362 
6363 		spin_lock_irqsave(&ha->vport_slock, flags);
6364 		list_for_each_entry(vp, &ha->vp_list, list) {
6365 			atomic_inc(&vp->vref_count);
6366 			spin_unlock_irqrestore(&ha->vport_slock, flags);
6367 
6368 			qla2x00_mark_all_devices_lost(vp, 0);
6369 
6370 			spin_lock_irqsave(&ha->vport_slock, flags);
6371 			atomic_dec(&vp->vref_count);
6372 		}
6373 		spin_unlock_irqrestore(&ha->vport_slock, flags);
6374 	} else {
6375 		if (!atomic_read(&vha->loop_down_timer))
6376 			atomic_set(&vha->loop_down_timer,
6377 			    LOOP_DOWN_TIME);
6378 	}
6379 
6380 	/* Clear all async request states across all VPs. */
6381 	list_for_each_entry(fcport, &vha->vp_fcports, list)
6382 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6383 	spin_lock_irqsave(&ha->vport_slock, flags);
6384 	list_for_each_entry(vp, &ha->vp_list, list) {
6385 		atomic_inc(&vp->vref_count);
6386 		spin_unlock_irqrestore(&ha->vport_slock, flags);
6387 
6388 		list_for_each_entry(fcport, &vp->vp_fcports, list)
6389 			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6390 
6391 		spin_lock_irqsave(&ha->vport_slock, flags);
6392 		atomic_dec(&vp->vref_count);
6393 	}
6394 	spin_unlock_irqrestore(&ha->vport_slock, flags);
6395 
6396 	if (!ha->flags.eeh_busy) {
6397 		/* Make sure for ISP 82XX IO DMA is complete */
6398 		if (IS_P3P_TYPE(ha)) {
6399 			qla82xx_chip_reset_cleanup(vha);
6400 			ql_log(ql_log_info, vha, 0x00b4,
6401 			    "Done chip reset cleanup.\n");
6402 
6403 			/* Done waiting for pending commands.
6404 			 * Reset the online flag.
6405 			 */
6406 			vha->flags.online = 0;
6407 		}
6408 
6409 		/* Requeue all commands in outstanding command list. */
6410 		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6411 	}
6412 	/* memory barrier */
6413 	wmb();
6414 }
6415 
6416 /*
6417 *  qla2x00_abort_isp
6418 *      Resets ISP and aborts all outstanding commands.
6419 *
6420 * Input:
6421 *      ha           = adapter block pointer.
6422 *
6423 * Returns:
6424 *      0 = success
6425 */
6426 int
6427 qla2x00_abort_isp(scsi_qla_host_t *vha)
6428 {
6429 	int rval;
6430 	uint8_t        status = 0;
6431 	struct qla_hw_data *ha = vha->hw;
6432 	struct scsi_qla_host *vp;
6433 	struct req_que *req = ha->req_q_map[0];
6434 	unsigned long flags;
6435 
6436 	if (vha->flags.online) {
6437 		qla2x00_abort_isp_cleanup(vha);
6438 
6439 		if (IS_QLA8031(ha)) {
6440 			ql_dbg(ql_dbg_p3p, vha, 0xb05c,
6441 			    "Clearing fcoe driver presence.\n");
6442 			if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
6443 				ql_dbg(ql_dbg_p3p, vha, 0xb073,
6444 				    "Error while clearing DRV-Presence.\n");
6445 		}
6446 
6447 		if (unlikely(pci_channel_offline(ha->pdev) &&
6448 		    ha->flags.pci_channel_io_perm_failure)) {
6449 			clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6450 			status = 0;
6451 			return status;
6452 		}
6453 
6454 		ha->isp_ops->get_flash_version(vha, req->ring);
6455 
6456 		ha->isp_ops->nvram_config(vha);
6457 
6458 		if (!qla2x00_restart_isp(vha)) {
6459 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6460 
6461 			if (!atomic_read(&vha->loop_down_timer)) {
6462 				/*
6463 				 * Issue marker command only when we are going
6464 				 * to start the I/O .
6465 				 */
6466 				vha->marker_needed = 1;
6467 			}
6468 
6469 			vha->flags.online = 1;
6470 
6471 			ha->isp_ops->enable_intrs(ha);
6472 
6473 			ha->isp_abort_cnt = 0;
6474 			clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6475 
6476 			if (IS_QLA81XX(ha) || IS_QLA8031(ha))
6477 				qla2x00_get_fw_version(vha);
6478 			if (ha->fce) {
6479 				ha->flags.fce_enabled = 1;
6480 				memset(ha->fce, 0,
6481 				    fce_calc_size(ha->fce_bufs));
6482 				rval = qla2x00_enable_fce_trace(vha,
6483 				    ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6484 				    &ha->fce_bufs);
6485 				if (rval) {
6486 					ql_log(ql_log_warn, vha, 0x8033,
6487 					    "Unable to reinitialize FCE "
6488 					    "(%d).\n", rval);
6489 					ha->flags.fce_enabled = 0;
6490 				}
6491 			}
6492 
6493 			if (ha->eft) {
6494 				memset(ha->eft, 0, EFT_SIZE);
6495 				rval = qla2x00_enable_eft_trace(vha,
6496 				    ha->eft_dma, EFT_NUM_BUFFERS);
6497 				if (rval) {
6498 					ql_log(ql_log_warn, vha, 0x8034,
6499 					    "Unable to reinitialize EFT "
6500 					    "(%d).\n", rval);
6501 				}
6502 			}
6503 		} else {	/* failed the ISP abort */
6504 			vha->flags.online = 1;
6505 			if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
6506 				if (ha->isp_abort_cnt == 0) {
6507 					ql_log(ql_log_fatal, vha, 0x8035,
6508 					    "ISP error recover failed - "
6509 					    "board disabled.\n");
6510 					/*
6511 					 * The next call disables the board
6512 					 * completely.
6513 					 */
6514 					ha->isp_ops->reset_adapter(vha);
6515 					vha->flags.online = 0;
6516 					clear_bit(ISP_ABORT_RETRY,
6517 					    &vha->dpc_flags);
6518 					status = 0;
6519 				} else { /* schedule another ISP abort */
6520 					ha->isp_abort_cnt--;
6521 					ql_dbg(ql_dbg_taskm, vha, 0x8020,
6522 					    "ISP abort - retry remaining %d.\n",
6523 					    ha->isp_abort_cnt);
6524 					status = 1;
6525 				}
6526 			} else {
6527 				ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
6528 				ql_dbg(ql_dbg_taskm, vha, 0x8021,
6529 				    "ISP error recovery - retrying (%d) "
6530 				    "more times.\n", ha->isp_abort_cnt);
6531 				set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6532 				status = 1;
6533 			}
6534 		}
6535 
6536 	}
6537 
6538 	if (!status) {
6539 		ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
6540 		qla2x00_configure_hba(vha);
6541 		spin_lock_irqsave(&ha->vport_slock, flags);
6542 		list_for_each_entry(vp, &ha->vp_list, list) {
6543 			if (vp->vp_idx) {
6544 				atomic_inc(&vp->vref_count);
6545 				spin_unlock_irqrestore(&ha->vport_slock, flags);
6546 
6547 				qla2x00_vp_abort_isp(vp);
6548 
6549 				spin_lock_irqsave(&ha->vport_slock, flags);
6550 				atomic_dec(&vp->vref_count);
6551 			}
6552 		}
6553 		spin_unlock_irqrestore(&ha->vport_slock, flags);
6554 
6555 		if (IS_QLA8031(ha)) {
6556 			ql_dbg(ql_dbg_p3p, vha, 0xb05d,
6557 			    "Setting back fcoe driver presence.\n");
6558 			if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
6559 				ql_dbg(ql_dbg_p3p, vha, 0xb074,
6560 				    "Error while setting DRV-Presence.\n");
6561 		}
6562 	} else {
6563 		ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
6564 		       __func__);
6565 	}
6566 
6567 	return(status);
6568 }
6569 
6570 /*
6571 *  qla2x00_restart_isp
6572 *      restarts the ISP after a reset
6573 *
6574 * Input:
6575 *      ha = adapter block pointer.
6576 *
6577 * Returns:
6578 *      0 = success
6579 */
6580 static int
6581 qla2x00_restart_isp(scsi_qla_host_t *vha)
6582 {
6583 	int status = 0;
6584 	struct qla_hw_data *ha = vha->hw;
6585 	struct req_que *req = ha->req_q_map[0];
6586 	struct rsp_que *rsp = ha->rsp_q_map[0];
6587 
6588 	/* If firmware needs to be loaded */
6589 	if (qla2x00_isp_firmware(vha)) {
6590 		vha->flags.online = 0;
6591 		status = ha->isp_ops->chip_diag(vha);
6592 		if (!status)
6593 			status = qla2x00_setup_chip(vha);
6594 	}
6595 
6596 	if (!status && !(status = qla2x00_init_rings(vha))) {
6597 		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6598 		ha->flags.chip_reset_done = 1;
6599 
6600 		/* Initialize the queues in use */
6601 		qla25xx_init_queues(ha);
6602 
6603 		status = qla2x00_fw_ready(vha);
6604 		if (!status) {
6605 			/* Issue a marker after FW becomes ready. */
6606 			qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6607 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6608 		}
6609 
6610 		/* if no cable then assume it's good */
6611 		if ((vha->device_flags & DFLG_NO_CABLE))
6612 			status = 0;
6613 	}
6614 	return (status);
6615 }
6616 
6617 static int
6618 qla25xx_init_queues(struct qla_hw_data *ha)
6619 {
6620 	struct rsp_que *rsp = NULL;
6621 	struct req_que *req = NULL;
6622 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6623 	int ret = -1;
6624 	int i;
6625 
6626 	for (i = 1; i < ha->max_rsp_queues; i++) {
6627 		rsp = ha->rsp_q_map[i];
6628 		if (rsp && test_bit(i, ha->rsp_qid_map)) {
6629 			rsp->options &= ~BIT_0;
6630 			ret = qla25xx_init_rsp_que(base_vha, rsp);
6631 			if (ret != QLA_SUCCESS)
6632 				ql_dbg(ql_dbg_init, base_vha, 0x00ff,
6633 				    "%s Rsp que: %d init failed.\n",
6634 				    __func__, rsp->id);
6635 			else
6636 				ql_dbg(ql_dbg_init, base_vha, 0x0100,
6637 				    "%s Rsp que: %d inited.\n",
6638 				    __func__, rsp->id);
6639 		}
6640 	}
6641 	for (i = 1; i < ha->max_req_queues; i++) {
6642 		req = ha->req_q_map[i];
6643 		if (req && test_bit(i, ha->req_qid_map)) {
6644 			/* Clear outstanding commands array. */
6645 			req->options &= ~BIT_0;
6646 			ret = qla25xx_init_req_que(base_vha, req);
6647 			if (ret != QLA_SUCCESS)
6648 				ql_dbg(ql_dbg_init, base_vha, 0x0101,
6649 				    "%s Req que: %d init failed.\n",
6650 				    __func__, req->id);
6651 			else
6652 				ql_dbg(ql_dbg_init, base_vha, 0x0102,
6653 				    "%s Req que: %d inited.\n",
6654 				    __func__, req->id);
6655 		}
6656 	}
6657 	return ret;
6658 }
6659 
6660 /*
6661 * qla2x00_reset_adapter
6662 *      Reset adapter.
6663 *
6664 * Input:
6665 *      ha = adapter block pointer.
6666 */
6667 void
6668 qla2x00_reset_adapter(scsi_qla_host_t *vha)
6669 {
6670 	unsigned long flags = 0;
6671 	struct qla_hw_data *ha = vha->hw;
6672 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
6673 
6674 	vha->flags.online = 0;
6675 	ha->isp_ops->disable_intrs(ha);
6676 
6677 	spin_lock_irqsave(&ha->hardware_lock, flags);
6678 	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
6679 	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
6680 	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
6681 	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
6682 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
6683 }
6684 
6685 void
6686 qla24xx_reset_adapter(scsi_qla_host_t *vha)
6687 {
6688 	unsigned long flags = 0;
6689 	struct qla_hw_data *ha = vha->hw;
6690 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
6691 
6692 	if (IS_P3P_TYPE(ha))
6693 		return;
6694 
6695 	vha->flags.online = 0;
6696 	ha->isp_ops->disable_intrs(ha);
6697 
6698 	spin_lock_irqsave(&ha->hardware_lock, flags);
6699 	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
6700 	RD_REG_DWORD(&reg->hccr);
6701 	WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
6702 	RD_REG_DWORD(&reg->hccr);
6703 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
6704 
6705 	if (IS_NOPOLLING_TYPE(ha))
6706 		ha->isp_ops->enable_intrs(ha);
6707 }
6708 
6709 /* On sparc systems, obtain port and node WWN from firmware
6710  * properties.
6711  */
6712 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
6713 	struct nvram_24xx *nv)
6714 {
6715 #ifdef CONFIG_SPARC
6716 	struct qla_hw_data *ha = vha->hw;
6717 	struct pci_dev *pdev = ha->pdev;
6718 	struct device_node *dp = pci_device_to_OF_node(pdev);
6719 	const u8 *val;
6720 	int len;
6721 
6722 	val = of_get_property(dp, "port-wwn", &len);
6723 	if (val && len >= WWN_SIZE)
6724 		memcpy(nv->port_name, val, WWN_SIZE);
6725 
6726 	val = of_get_property(dp, "node-wwn", &len);
6727 	if (val && len >= WWN_SIZE)
6728 		memcpy(nv->node_name, val, WWN_SIZE);
6729 #endif
6730 }
6731 
6732 int
6733 qla24xx_nvram_config(scsi_qla_host_t *vha)
6734 {
6735 	int   rval;
6736 	struct init_cb_24xx *icb;
6737 	struct nvram_24xx *nv;
6738 	uint32_t *dptr;
6739 	uint8_t  *dptr1, *dptr2;
6740 	uint32_t chksum;
6741 	uint16_t cnt;
6742 	struct qla_hw_data *ha = vha->hw;
6743 
6744 	rval = QLA_SUCCESS;
6745 	icb = (struct init_cb_24xx *)ha->init_cb;
6746 	nv = ha->nvram;
6747 
6748 	/* Determine NVRAM starting address. */
6749 	if (ha->port_no == 0) {
6750 		ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6751 		ha->vpd_base = FA_NVRAM_VPD0_ADDR;
6752 	} else {
6753 		ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6754 		ha->vpd_base = FA_NVRAM_VPD1_ADDR;
6755 	}
6756 
6757 	ha->nvram_size = sizeof(struct nvram_24xx);
6758 	ha->vpd_size = FA_NVRAM_VPD_SIZE;
6759 
6760 	/* Get VPD data into cache */
6761 	ha->vpd = ha->nvram + VPD_OFFSET;
6762 	ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
6763 	    ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
6764 
6765 	/* Get NVRAM data into cache and calculate checksum. */
6766 	dptr = (uint32_t *)nv;
6767 	ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
6768 	    ha->nvram_size);
6769 	for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
6770 		chksum += le32_to_cpu(*dptr);
6771 
6772 	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
6773 	    "Contents of NVRAM\n");
6774 	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
6775 	    (uint8_t *)nv, ha->nvram_size);
6776 
6777 	/* Bad NVRAM data, set defaults parameters. */
6778 	if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
6779 	    || nv->id[3] != ' ' ||
6780 	    nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
6781 		/* Reset NVRAM data. */
6782 		ql_log(ql_log_warn, vha, 0x006b,
6783 		    "Inconsistent NVRAM detected: checksum=0x%x id=%c "
6784 		    "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
6785 		ql_log(ql_log_warn, vha, 0x006c,
6786 		    "Falling back to functioning (yet invalid -- WWPN) "
6787 		    "defaults.\n");
6788 
6789 		/*
6790 		 * Set default initialization control block.
6791 		 */
6792 		memset(nv, 0, ha->nvram_size);
6793 		nv->nvram_version = cpu_to_le16(ICB_VERSION);
6794 		nv->version = cpu_to_le16(ICB_VERSION);
6795 		nv->frame_payload_size = 2048;
6796 		nv->execution_throttle = cpu_to_le16(0xFFFF);
6797 		nv->exchange_count = cpu_to_le16(0);
6798 		nv->hard_address = cpu_to_le16(124);
6799 		nv->port_name[0] = 0x21;
6800 		nv->port_name[1] = 0x00 + ha->port_no + 1;
6801 		nv->port_name[2] = 0x00;
6802 		nv->port_name[3] = 0xe0;
6803 		nv->port_name[4] = 0x8b;
6804 		nv->port_name[5] = 0x1c;
6805 		nv->port_name[6] = 0x55;
6806 		nv->port_name[7] = 0x86;
6807 		nv->node_name[0] = 0x20;
6808 		nv->node_name[1] = 0x00;
6809 		nv->node_name[2] = 0x00;
6810 		nv->node_name[3] = 0xe0;
6811 		nv->node_name[4] = 0x8b;
6812 		nv->node_name[5] = 0x1c;
6813 		nv->node_name[6] = 0x55;
6814 		nv->node_name[7] = 0x86;
6815 		qla24xx_nvram_wwn_from_ofw(vha, nv);
6816 		nv->login_retry_count = cpu_to_le16(8);
6817 		nv->interrupt_delay_timer = cpu_to_le16(0);
6818 		nv->login_timeout = cpu_to_le16(0);
6819 		nv->firmware_options_1 =
6820 		    cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
6821 		nv->firmware_options_2 = cpu_to_le32(2 << 4);
6822 		nv->firmware_options_2 |= cpu_to_le32(BIT_12);
6823 		nv->firmware_options_3 = cpu_to_le32(2 << 13);
6824 		nv->host_p = cpu_to_le32(BIT_11|BIT_10);
6825 		nv->efi_parameters = cpu_to_le32(0);
6826 		nv->reset_delay = 5;
6827 		nv->max_luns_per_target = cpu_to_le16(128);
6828 		nv->port_down_retry_count = cpu_to_le16(30);
6829 		nv->link_down_timeout = cpu_to_le16(30);
6830 
6831 		rval = 1;
6832 	}
6833 
6834 	if (qla_tgt_mode_enabled(vha)) {
6835 		/* Don't enable full login after initial LIP */
6836 		nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
6837 		/* Don't enable LIP full login for initiator */
6838 		nv->host_p &= cpu_to_le32(~BIT_10);
6839 	}
6840 
6841 	qlt_24xx_config_nvram_stage1(vha, nv);
6842 
6843 	/* Reset Initialization control block */
6844 	memset(icb, 0, ha->init_cb_size);
6845 
6846 	/* Copy 1st segment. */
6847 	dptr1 = (uint8_t *)icb;
6848 	dptr2 = (uint8_t *)&nv->version;
6849 	cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
6850 	while (cnt--)
6851 		*dptr1++ = *dptr2++;
6852 
6853 	icb->login_retry_count = nv->login_retry_count;
6854 	icb->link_down_on_nos = nv->link_down_on_nos;
6855 
6856 	/* Copy 2nd segment. */
6857 	dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
6858 	dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
6859 	cnt = (uint8_t *)&icb->reserved_3 -
6860 	    (uint8_t *)&icb->interrupt_delay_timer;
6861 	while (cnt--)
6862 		*dptr1++ = *dptr2++;
6863 
6864 	/*
6865 	 * Setup driver NVRAM options.
6866 	 */
6867 	qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6868 	    "QLA2462");
6869 
6870 	qlt_24xx_config_nvram_stage2(vha, icb);
6871 
6872 	if (nv->host_p & cpu_to_le32(BIT_15)) {
6873 		/* Use alternate WWN? */
6874 		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6875 		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6876 	}
6877 
6878 	/* Prepare nodename */
6879 	if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
6880 		/*
6881 		 * Firmware will apply the following mask if the nodename was
6882 		 * not provided.
6883 		 */
6884 		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6885 		icb->node_name[0] &= 0xF0;
6886 	}
6887 
6888 	/* Set host adapter parameters. */
6889 	ha->flags.disable_risc_code_load = 0;
6890 	ha->flags.enable_lip_reset = 0;
6891 	ha->flags.enable_lip_full_login =
6892 	    le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6893 	ha->flags.enable_target_reset =
6894 	    le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6895 	ha->flags.enable_led_scheme = 0;
6896 	ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6897 
6898 	ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6899 	    (BIT_6 | BIT_5 | BIT_4)) >> 4;
6900 
6901 	memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
6902 	    sizeof(ha->fw_seriallink_options24));
6903 
6904 	/* save HBA serial number */
6905 	ha->serial0 = icb->port_name[5];
6906 	ha->serial1 = icb->port_name[6];
6907 	ha->serial2 = icb->port_name[7];
6908 	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6909 	memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6910 
6911 	icb->execution_throttle = cpu_to_le16(0xFFFF);
6912 
6913 	ha->retry_count = le16_to_cpu(nv->login_retry_count);
6914 
6915 	/* Set minimum login_timeout to 4 seconds. */
6916 	if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6917 		nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6918 	if (le16_to_cpu(nv->login_timeout) < 4)
6919 		nv->login_timeout = cpu_to_le16(4);
6920 	ha->login_timeout = le16_to_cpu(nv->login_timeout);
6921 
6922 	/* Set minimum RATOV to 100 tenths of a second. */
6923 	ha->r_a_tov = 100;
6924 
6925 	ha->loop_reset_delay = nv->reset_delay;
6926 
6927 	/* Link Down Timeout = 0:
6928 	 *
6929 	 * 	When Port Down timer expires we will start returning
6930 	 *	I/O's to OS with "DID_NO_CONNECT".
6931 	 *
6932 	 * Link Down Timeout != 0:
6933 	 *
6934 	 *	 The driver waits for the link to come up after link down
6935 	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
6936 	 */
6937 	if (le16_to_cpu(nv->link_down_timeout) == 0) {
6938 		ha->loop_down_abort_time =
6939 		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6940 	} else {
6941 		ha->link_down_timeout =	le16_to_cpu(nv->link_down_timeout);
6942 		ha->loop_down_abort_time =
6943 		    (LOOP_DOWN_TIME - ha->link_down_timeout);
6944 	}
6945 
6946 	/* Need enough time to try and get the port back. */
6947 	ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6948 	if (qlport_down_retry)
6949 		ha->port_down_retry_count = qlport_down_retry;
6950 
6951 	/* Set login_retry_count */
6952 	ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6953 	if (ha->port_down_retry_count ==
6954 	    le16_to_cpu(nv->port_down_retry_count) &&
6955 	    ha->port_down_retry_count > 3)
6956 		ha->login_retry_count = ha->port_down_retry_count;
6957 	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6958 		ha->login_retry_count = ha->port_down_retry_count;
6959 	if (ql2xloginretrycount)
6960 		ha->login_retry_count = ql2xloginretrycount;
6961 
6962 	/* Enable ZIO. */
6963 	if (!vha->flags.init_done) {
6964 		ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6965 		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6966 		ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6967 		    le16_to_cpu(icb->interrupt_delay_timer): 2;
6968 	}
6969 	icb->firmware_options_2 &= cpu_to_le32(
6970 	    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6971 	vha->flags.process_response_queue = 0;
6972 	if (ha->zio_mode != QLA_ZIO_DISABLED) {
6973 		ha->zio_mode = QLA_ZIO_MODE_6;
6974 
6975 		ql_log(ql_log_info, vha, 0x006f,
6976 		    "ZIO mode %d enabled; timer delay (%d us).\n",
6977 		    ha->zio_mode, ha->zio_timer * 100);
6978 
6979 		icb->firmware_options_2 |= cpu_to_le32(
6980 		    (uint32_t)ha->zio_mode);
6981 		icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6982 		vha->flags.process_response_queue = 1;
6983 	}
6984 
6985 	if (rval) {
6986 		ql_log(ql_log_warn, vha, 0x0070,
6987 		    "NVRAM configuration failed.\n");
6988 	}
6989 	return (rval);
6990 }
6991 
6992 uint8_t qla27xx_find_valid_image(struct scsi_qla_host *vha)
6993 {
6994 	struct qla27xx_image_status pri_image_status, sec_image_status;
6995 	uint8_t valid_pri_image, valid_sec_image;
6996 	uint32_t *wptr;
6997 	uint32_t cnt, chksum, size;
6998 	struct qla_hw_data *ha = vha->hw;
6999 
7000 	valid_pri_image = valid_sec_image = 1;
7001 	ha->active_image = 0;
7002 	size = sizeof(struct qla27xx_image_status) / sizeof(uint32_t);
7003 
7004 	if (!ha->flt_region_img_status_pri) {
7005 		valid_pri_image = 0;
7006 		goto check_sec_image;
7007 	}
7008 
7009 	qla24xx_read_flash_data(vha, (uint32_t *)(&pri_image_status),
7010 	    ha->flt_region_img_status_pri, size);
7011 
7012 	if (pri_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7013 		ql_dbg(ql_dbg_init, vha, 0x018b,
7014 		    "Primary image signature (0x%x) not valid\n",
7015 		    pri_image_status.signature);
7016 		valid_pri_image = 0;
7017 		goto check_sec_image;
7018 	}
7019 
7020 	wptr = (uint32_t *)(&pri_image_status);
7021 	cnt = size;
7022 
7023 	for (chksum = 0; cnt--; wptr++)
7024 		chksum += le32_to_cpu(*wptr);
7025 
7026 	if (chksum) {
7027 		ql_dbg(ql_dbg_init, vha, 0x018c,
7028 		    "Checksum validation failed for primary image (0x%x)\n",
7029 		    chksum);
7030 		valid_pri_image = 0;
7031 	}
7032 
7033 check_sec_image:
7034 	if (!ha->flt_region_img_status_sec) {
7035 		valid_sec_image = 0;
7036 		goto check_valid_image;
7037 	}
7038 
7039 	qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
7040 	    ha->flt_region_img_status_sec, size);
7041 
7042 	if (sec_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7043 		ql_dbg(ql_dbg_init, vha, 0x018d,
7044 		    "Secondary image signature(0x%x) not valid\n",
7045 		    sec_image_status.signature);
7046 		valid_sec_image = 0;
7047 		goto check_valid_image;
7048 	}
7049 
7050 	wptr = (uint32_t *)(&sec_image_status);
7051 	cnt = size;
7052 	for (chksum = 0; cnt--; wptr++)
7053 		chksum += le32_to_cpu(*wptr);
7054 	if (chksum) {
7055 		ql_dbg(ql_dbg_init, vha, 0x018e,
7056 		    "Checksum validation failed for secondary image (0x%x)\n",
7057 		    chksum);
7058 		valid_sec_image = 0;
7059 	}
7060 
7061 check_valid_image:
7062 	if (valid_pri_image && (pri_image_status.image_status_mask & 0x1))
7063 		ha->active_image = QLA27XX_PRIMARY_IMAGE;
7064 	if (valid_sec_image && (sec_image_status.image_status_mask & 0x1)) {
7065 		if (!ha->active_image ||
7066 		    pri_image_status.generation_number <
7067 		    sec_image_status.generation_number)
7068 			ha->active_image = QLA27XX_SECONDARY_IMAGE;
7069 	}
7070 
7071 	ql_dbg(ql_dbg_init, vha, 0x018f, "%s image\n",
7072 	    ha->active_image == 0 ? "default bootld and fw" :
7073 	    ha->active_image == 1 ? "primary" :
7074 	    ha->active_image == 2 ? "secondary" :
7075 	    "Invalid");
7076 
7077 	return ha->active_image;
7078 }
7079 
7080 static int
7081 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
7082     uint32_t faddr)
7083 {
7084 	int	rval = QLA_SUCCESS;
7085 	int	segments, fragment;
7086 	uint32_t *dcode, dlen;
7087 	uint32_t risc_addr;
7088 	uint32_t risc_size;
7089 	uint32_t i;
7090 	struct qla_hw_data *ha = vha->hw;
7091 	struct req_que *req = ha->req_q_map[0];
7092 
7093 	ql_dbg(ql_dbg_init, vha, 0x008b,
7094 	    "FW: Loading firmware from flash (%x).\n", faddr);
7095 
7096 	rval = QLA_SUCCESS;
7097 
7098 	segments = FA_RISC_CODE_SEGMENTS;
7099 	dcode = (uint32_t *)req->ring;
7100 	*srisc_addr = 0;
7101 
7102 	if (IS_QLA27XX(ha) &&
7103 	    qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
7104 		faddr = ha->flt_region_fw_sec;
7105 
7106 	/* Validate firmware image by checking version. */
7107 	qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
7108 	for (i = 0; i < 4; i++)
7109 		dcode[i] = be32_to_cpu(dcode[i]);
7110 	if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7111 	    dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7112 	    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7113 		dcode[3] == 0)) {
7114 		ql_log(ql_log_fatal, vha, 0x008c,
7115 		    "Unable to verify the integrity of flash firmware "
7116 		    "image.\n");
7117 		ql_log(ql_log_fatal, vha, 0x008d,
7118 		    "Firmware data: %08x %08x %08x %08x.\n",
7119 		    dcode[0], dcode[1], dcode[2], dcode[3]);
7120 
7121 		return QLA_FUNCTION_FAILED;
7122 	}
7123 
7124 	while (segments && rval == QLA_SUCCESS) {
7125 		/* Read segment's load information. */
7126 		qla24xx_read_flash_data(vha, dcode, faddr, 4);
7127 
7128 		risc_addr = be32_to_cpu(dcode[2]);
7129 		*srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7130 		risc_size = be32_to_cpu(dcode[3]);
7131 
7132 		fragment = 0;
7133 		while (risc_size > 0 && rval == QLA_SUCCESS) {
7134 			dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7135 			if (dlen > risc_size)
7136 				dlen = risc_size;
7137 
7138 			ql_dbg(ql_dbg_init, vha, 0x008e,
7139 			    "Loading risc segment@ risc addr %x "
7140 			    "number of dwords 0x%x offset 0x%x.\n",
7141 			    risc_addr, dlen, faddr);
7142 
7143 			qla24xx_read_flash_data(vha, dcode, faddr, dlen);
7144 			for (i = 0; i < dlen; i++)
7145 				dcode[i] = swab32(dcode[i]);
7146 
7147 			rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7148 			    dlen);
7149 			if (rval) {
7150 				ql_log(ql_log_fatal, vha, 0x008f,
7151 				    "Failed to load segment %d of firmware.\n",
7152 				    fragment);
7153 				return QLA_FUNCTION_FAILED;
7154 			}
7155 
7156 			faddr += dlen;
7157 			risc_addr += dlen;
7158 			risc_size -= dlen;
7159 			fragment++;
7160 		}
7161 
7162 		/* Next segment. */
7163 		segments--;
7164 	}
7165 
7166 	if (!IS_QLA27XX(ha))
7167 		return rval;
7168 
7169 	if (ha->fw_dump_template)
7170 		vfree(ha->fw_dump_template);
7171 	ha->fw_dump_template = NULL;
7172 	ha->fw_dump_template_len = 0;
7173 
7174 	ql_dbg(ql_dbg_init, vha, 0x0161,
7175 	    "Loading fwdump template from %x\n", faddr);
7176 	qla24xx_read_flash_data(vha, dcode, faddr, 7);
7177 	risc_size = be32_to_cpu(dcode[2]);
7178 	ql_dbg(ql_dbg_init, vha, 0x0162,
7179 	    "-> array size %x dwords\n", risc_size);
7180 	if (risc_size == 0 || risc_size == ~0)
7181 		goto default_template;
7182 
7183 	dlen = (risc_size - 8) * sizeof(*dcode);
7184 	ql_dbg(ql_dbg_init, vha, 0x0163,
7185 	    "-> template allocating %x bytes...\n", dlen);
7186 	ha->fw_dump_template = vmalloc(dlen);
7187 	if (!ha->fw_dump_template) {
7188 		ql_log(ql_log_warn, vha, 0x0164,
7189 		    "Failed fwdump template allocate %x bytes.\n", risc_size);
7190 		goto default_template;
7191 	}
7192 
7193 	faddr += 7;
7194 	risc_size -= 8;
7195 	dcode = ha->fw_dump_template;
7196 	qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
7197 	for (i = 0; i < risc_size; i++)
7198 		dcode[i] = le32_to_cpu(dcode[i]);
7199 
7200 	if (!qla27xx_fwdt_template_valid(dcode)) {
7201 		ql_log(ql_log_warn, vha, 0x0165,
7202 		    "Failed fwdump template validate\n");
7203 		goto default_template;
7204 	}
7205 
7206 	dlen = qla27xx_fwdt_template_size(dcode);
7207 	ql_dbg(ql_dbg_init, vha, 0x0166,
7208 	    "-> template size %x bytes\n", dlen);
7209 	if (dlen > risc_size * sizeof(*dcode)) {
7210 		ql_log(ql_log_warn, vha, 0x0167,
7211 		    "Failed fwdump template exceeds array by %zx bytes\n",
7212 		    (size_t)(dlen - risc_size * sizeof(*dcode)));
7213 		goto default_template;
7214 	}
7215 	ha->fw_dump_template_len = dlen;
7216 	return rval;
7217 
7218 default_template:
7219 	ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
7220 	if (ha->fw_dump_template)
7221 		vfree(ha->fw_dump_template);
7222 	ha->fw_dump_template = NULL;
7223 	ha->fw_dump_template_len = 0;
7224 
7225 	dlen = qla27xx_fwdt_template_default_size();
7226 	ql_dbg(ql_dbg_init, vha, 0x0169,
7227 	    "-> template allocating %x bytes...\n", dlen);
7228 	ha->fw_dump_template = vmalloc(dlen);
7229 	if (!ha->fw_dump_template) {
7230 		ql_log(ql_log_warn, vha, 0x016a,
7231 		    "Failed fwdump template allocate %x bytes.\n", risc_size);
7232 		goto failed_template;
7233 	}
7234 
7235 	dcode = ha->fw_dump_template;
7236 	risc_size = dlen / sizeof(*dcode);
7237 	memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
7238 	for (i = 0; i < risc_size; i++)
7239 		dcode[i] = be32_to_cpu(dcode[i]);
7240 
7241 	if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7242 		ql_log(ql_log_warn, vha, 0x016b,
7243 		    "Failed fwdump template validate\n");
7244 		goto failed_template;
7245 	}
7246 
7247 	dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7248 	ql_dbg(ql_dbg_init, vha, 0x016c,
7249 	    "-> template size %x bytes\n", dlen);
7250 	ha->fw_dump_template_len = dlen;
7251 	return rval;
7252 
7253 failed_template:
7254 	ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
7255 	if (ha->fw_dump_template)
7256 		vfree(ha->fw_dump_template);
7257 	ha->fw_dump_template = NULL;
7258 	ha->fw_dump_template_len = 0;
7259 	return rval;
7260 }
7261 
7262 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
7263 
7264 int
7265 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7266 {
7267 	int	rval;
7268 	int	i, fragment;
7269 	uint16_t *wcode, *fwcode;
7270 	uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
7271 	struct fw_blob *blob;
7272 	struct qla_hw_data *ha = vha->hw;
7273 	struct req_que *req = ha->req_q_map[0];
7274 
7275 	/* Load firmware blob. */
7276 	blob = qla2x00_request_firmware(vha);
7277 	if (!blob) {
7278 		ql_log(ql_log_info, vha, 0x0083,
7279 		    "Firmware image unavailable.\n");
7280 		ql_log(ql_log_info, vha, 0x0084,
7281 		    "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
7282 		return QLA_FUNCTION_FAILED;
7283 	}
7284 
7285 	rval = QLA_SUCCESS;
7286 
7287 	wcode = (uint16_t *)req->ring;
7288 	*srisc_addr = 0;
7289 	fwcode = (uint16_t *)blob->fw->data;
7290 	fwclen = 0;
7291 
7292 	/* Validate firmware image by checking version. */
7293 	if (blob->fw->size < 8 * sizeof(uint16_t)) {
7294 		ql_log(ql_log_fatal, vha, 0x0085,
7295 		    "Unable to verify integrity of firmware image (%zd).\n",
7296 		    blob->fw->size);
7297 		goto fail_fw_integrity;
7298 	}
7299 	for (i = 0; i < 4; i++)
7300 		wcode[i] = be16_to_cpu(fwcode[i + 4]);
7301 	if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
7302 	    wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
7303 		wcode[2] == 0 && wcode[3] == 0)) {
7304 		ql_log(ql_log_fatal, vha, 0x0086,
7305 		    "Unable to verify integrity of firmware image.\n");
7306 		ql_log(ql_log_fatal, vha, 0x0087,
7307 		    "Firmware data: %04x %04x %04x %04x.\n",
7308 		    wcode[0], wcode[1], wcode[2], wcode[3]);
7309 		goto fail_fw_integrity;
7310 	}
7311 
7312 	seg = blob->segs;
7313 	while (*seg && rval == QLA_SUCCESS) {
7314 		risc_addr = *seg;
7315 		*srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
7316 		risc_size = be16_to_cpu(fwcode[3]);
7317 
7318 		/* Validate firmware image size. */
7319 		fwclen += risc_size * sizeof(uint16_t);
7320 		if (blob->fw->size < fwclen) {
7321 			ql_log(ql_log_fatal, vha, 0x0088,
7322 			    "Unable to verify integrity of firmware image "
7323 			    "(%zd).\n", blob->fw->size);
7324 			goto fail_fw_integrity;
7325 		}
7326 
7327 		fragment = 0;
7328 		while (risc_size > 0 && rval == QLA_SUCCESS) {
7329 			wlen = (uint16_t)(ha->fw_transfer_size >> 1);
7330 			if (wlen > risc_size)
7331 				wlen = risc_size;
7332 			ql_dbg(ql_dbg_init, vha, 0x0089,
7333 			    "Loading risc segment@ risc addr %x number of "
7334 			    "words 0x%x.\n", risc_addr, wlen);
7335 
7336 			for (i = 0; i < wlen; i++)
7337 				wcode[i] = swab16(fwcode[i]);
7338 
7339 			rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7340 			    wlen);
7341 			if (rval) {
7342 				ql_log(ql_log_fatal, vha, 0x008a,
7343 				    "Failed to load segment %d of firmware.\n",
7344 				    fragment);
7345 				break;
7346 			}
7347 
7348 			fwcode += wlen;
7349 			risc_addr += wlen;
7350 			risc_size -= wlen;
7351 			fragment++;
7352 		}
7353 
7354 		/* Next segment. */
7355 		seg++;
7356 	}
7357 	return rval;
7358 
7359 fail_fw_integrity:
7360 	return QLA_FUNCTION_FAILED;
7361 }
7362 
7363 static int
7364 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7365 {
7366 	int	rval;
7367 	int	segments, fragment;
7368 	uint32_t *dcode, dlen;
7369 	uint32_t risc_addr;
7370 	uint32_t risc_size;
7371 	uint32_t i;
7372 	struct fw_blob *blob;
7373 	const uint32_t *fwcode;
7374 	uint32_t fwclen;
7375 	struct qla_hw_data *ha = vha->hw;
7376 	struct req_que *req = ha->req_q_map[0];
7377 
7378 	/* Load firmware blob. */
7379 	blob = qla2x00_request_firmware(vha);
7380 	if (!blob) {
7381 		ql_log(ql_log_warn, vha, 0x0090,
7382 		    "Firmware image unavailable.\n");
7383 		ql_log(ql_log_warn, vha, 0x0091,
7384 		    "Firmware images can be retrieved from: "
7385 		    QLA_FW_URL ".\n");
7386 
7387 		return QLA_FUNCTION_FAILED;
7388 	}
7389 
7390 	ql_dbg(ql_dbg_init, vha, 0x0092,
7391 	    "FW: Loading via request-firmware.\n");
7392 
7393 	rval = QLA_SUCCESS;
7394 
7395 	segments = FA_RISC_CODE_SEGMENTS;
7396 	dcode = (uint32_t *)req->ring;
7397 	*srisc_addr = 0;
7398 	fwcode = (uint32_t *)blob->fw->data;
7399 	fwclen = 0;
7400 
7401 	/* Validate firmware image by checking version. */
7402 	if (blob->fw->size < 8 * sizeof(uint32_t)) {
7403 		ql_log(ql_log_fatal, vha, 0x0093,
7404 		    "Unable to verify integrity of firmware image (%zd).\n",
7405 		    blob->fw->size);
7406 		return QLA_FUNCTION_FAILED;
7407 	}
7408 	for (i = 0; i < 4; i++)
7409 		dcode[i] = be32_to_cpu(fwcode[i + 4]);
7410 	if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7411 	    dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7412 	    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7413 		dcode[3] == 0)) {
7414 		ql_log(ql_log_fatal, vha, 0x0094,
7415 		    "Unable to verify integrity of firmware image (%zd).\n",
7416 		    blob->fw->size);
7417 		ql_log(ql_log_fatal, vha, 0x0095,
7418 		    "Firmware data: %08x %08x %08x %08x.\n",
7419 		    dcode[0], dcode[1], dcode[2], dcode[3]);
7420 		return QLA_FUNCTION_FAILED;
7421 	}
7422 
7423 	while (segments && rval == QLA_SUCCESS) {
7424 		risc_addr = be32_to_cpu(fwcode[2]);
7425 		*srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7426 		risc_size = be32_to_cpu(fwcode[3]);
7427 
7428 		/* Validate firmware image size. */
7429 		fwclen += risc_size * sizeof(uint32_t);
7430 		if (blob->fw->size < fwclen) {
7431 			ql_log(ql_log_fatal, vha, 0x0096,
7432 			    "Unable to verify integrity of firmware image "
7433 			    "(%zd).\n", blob->fw->size);
7434 			return QLA_FUNCTION_FAILED;
7435 		}
7436 
7437 		fragment = 0;
7438 		while (risc_size > 0 && rval == QLA_SUCCESS) {
7439 			dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7440 			if (dlen > risc_size)
7441 				dlen = risc_size;
7442 
7443 			ql_dbg(ql_dbg_init, vha, 0x0097,
7444 			    "Loading risc segment@ risc addr %x "
7445 			    "number of dwords 0x%x.\n", risc_addr, dlen);
7446 
7447 			for (i = 0; i < dlen; i++)
7448 				dcode[i] = swab32(fwcode[i]);
7449 
7450 			rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7451 			    dlen);
7452 			if (rval) {
7453 				ql_log(ql_log_fatal, vha, 0x0098,
7454 				    "Failed to load segment %d of firmware.\n",
7455 				    fragment);
7456 				return QLA_FUNCTION_FAILED;
7457 			}
7458 
7459 			fwcode += dlen;
7460 			risc_addr += dlen;
7461 			risc_size -= dlen;
7462 			fragment++;
7463 		}
7464 
7465 		/* Next segment. */
7466 		segments--;
7467 	}
7468 
7469 	if (!IS_QLA27XX(ha))
7470 		return rval;
7471 
7472 	if (ha->fw_dump_template)
7473 		vfree(ha->fw_dump_template);
7474 	ha->fw_dump_template = NULL;
7475 	ha->fw_dump_template_len = 0;
7476 
7477 	ql_dbg(ql_dbg_init, vha, 0x171,
7478 	    "Loading fwdump template from %x\n",
7479 	    (uint32_t)((void *)fwcode - (void *)blob->fw->data));
7480 	risc_size = be32_to_cpu(fwcode[2]);
7481 	ql_dbg(ql_dbg_init, vha, 0x172,
7482 	    "-> array size %x dwords\n", risc_size);
7483 	if (risc_size == 0 || risc_size == ~0)
7484 		goto default_template;
7485 
7486 	dlen = (risc_size - 8) * sizeof(*fwcode);
7487 	ql_dbg(ql_dbg_init, vha, 0x0173,
7488 	    "-> template allocating %x bytes...\n", dlen);
7489 	ha->fw_dump_template = vmalloc(dlen);
7490 	if (!ha->fw_dump_template) {
7491 		ql_log(ql_log_warn, vha, 0x0174,
7492 		    "Failed fwdump template allocate %x bytes.\n", risc_size);
7493 		goto default_template;
7494 	}
7495 
7496 	fwcode += 7;
7497 	risc_size -= 8;
7498 	dcode = ha->fw_dump_template;
7499 	for (i = 0; i < risc_size; i++)
7500 		dcode[i] = le32_to_cpu(fwcode[i]);
7501 
7502 	if (!qla27xx_fwdt_template_valid(dcode)) {
7503 		ql_log(ql_log_warn, vha, 0x0175,
7504 		    "Failed fwdump template validate\n");
7505 		goto default_template;
7506 	}
7507 
7508 	dlen = qla27xx_fwdt_template_size(dcode);
7509 	ql_dbg(ql_dbg_init, vha, 0x0176,
7510 	    "-> template size %x bytes\n", dlen);
7511 	if (dlen > risc_size * sizeof(*fwcode)) {
7512 		ql_log(ql_log_warn, vha, 0x0177,
7513 		    "Failed fwdump template exceeds array by %zx bytes\n",
7514 		    (size_t)(dlen - risc_size * sizeof(*fwcode)));
7515 		goto default_template;
7516 	}
7517 	ha->fw_dump_template_len = dlen;
7518 	return rval;
7519 
7520 default_template:
7521 	ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
7522 	if (ha->fw_dump_template)
7523 		vfree(ha->fw_dump_template);
7524 	ha->fw_dump_template = NULL;
7525 	ha->fw_dump_template_len = 0;
7526 
7527 	dlen = qla27xx_fwdt_template_default_size();
7528 	ql_dbg(ql_dbg_init, vha, 0x0179,
7529 	    "-> template allocating %x bytes...\n", dlen);
7530 	ha->fw_dump_template = vmalloc(dlen);
7531 	if (!ha->fw_dump_template) {
7532 		ql_log(ql_log_warn, vha, 0x017a,
7533 		    "Failed fwdump template allocate %x bytes.\n", risc_size);
7534 		goto failed_template;
7535 	}
7536 
7537 	dcode = ha->fw_dump_template;
7538 	risc_size = dlen / sizeof(*fwcode);
7539 	fwcode = qla27xx_fwdt_template_default();
7540 	for (i = 0; i < risc_size; i++)
7541 		dcode[i] = be32_to_cpu(fwcode[i]);
7542 
7543 	if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7544 		ql_log(ql_log_warn, vha, 0x017b,
7545 		    "Failed fwdump template validate\n");
7546 		goto failed_template;
7547 	}
7548 
7549 	dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7550 	ql_dbg(ql_dbg_init, vha, 0x017c,
7551 	    "-> template size %x bytes\n", dlen);
7552 	ha->fw_dump_template_len = dlen;
7553 	return rval;
7554 
7555 failed_template:
7556 	ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
7557 	if (ha->fw_dump_template)
7558 		vfree(ha->fw_dump_template);
7559 	ha->fw_dump_template = NULL;
7560 	ha->fw_dump_template_len = 0;
7561 	return rval;
7562 }
7563 
7564 int
7565 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7566 {
7567 	int rval;
7568 
7569 	if (ql2xfwloadbin == 1)
7570 		return qla81xx_load_risc(vha, srisc_addr);
7571 
7572 	/*
7573 	 * FW Load priority:
7574 	 * 1) Firmware via request-firmware interface (.bin file).
7575 	 * 2) Firmware residing in flash.
7576 	 */
7577 	rval = qla24xx_load_risc_blob(vha, srisc_addr);
7578 	if (rval == QLA_SUCCESS)
7579 		return rval;
7580 
7581 	return qla24xx_load_risc_flash(vha, srisc_addr,
7582 	    vha->hw->flt_region_fw);
7583 }
7584 
7585 int
7586 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7587 {
7588 	int rval;
7589 	struct qla_hw_data *ha = vha->hw;
7590 
7591 	if (ql2xfwloadbin == 2)
7592 		goto try_blob_fw;
7593 
7594 	/*
7595 	 * FW Load priority:
7596 	 * 1) Firmware residing in flash.
7597 	 * 2) Firmware via request-firmware interface (.bin file).
7598 	 * 3) Golden-Firmware residing in flash -- limited operation.
7599 	 */
7600 	rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
7601 	if (rval == QLA_SUCCESS)
7602 		return rval;
7603 
7604 try_blob_fw:
7605 	rval = qla24xx_load_risc_blob(vha, srisc_addr);
7606 	if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
7607 		return rval;
7608 
7609 	ql_log(ql_log_info, vha, 0x0099,
7610 	    "Attempting to fallback to golden firmware.\n");
7611 	rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
7612 	if (rval != QLA_SUCCESS)
7613 		return rval;
7614 
7615 	ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
7616 	ha->flags.running_gold_fw = 1;
7617 	return rval;
7618 }
7619 
7620 void
7621 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
7622 {
7623 	int ret, retries;
7624 	struct qla_hw_data *ha = vha->hw;
7625 
7626 	if (ha->flags.pci_channel_io_perm_failure)
7627 		return;
7628 	if (!IS_FWI2_CAPABLE(ha))
7629 		return;
7630 	if (!ha->fw_major_version)
7631 		return;
7632 	if (!ha->flags.fw_started)
7633 		return;
7634 
7635 	ret = qla2x00_stop_firmware(vha);
7636 	for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
7637 	    ret != QLA_INVALID_COMMAND && retries ; retries--) {
7638 		ha->isp_ops->reset_chip(vha);
7639 		if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
7640 			continue;
7641 		if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
7642 			continue;
7643 		ql_log(ql_log_info, vha, 0x8015,
7644 		    "Attempting retry of stop-firmware command.\n");
7645 		ret = qla2x00_stop_firmware(vha);
7646 	}
7647 
7648 	QLA_FW_STOPPED(ha);
7649 	ha->flags.fw_init_done = 0;
7650 }
7651 
7652 int
7653 qla24xx_configure_vhba(scsi_qla_host_t *vha)
7654 {
7655 	int rval = QLA_SUCCESS;
7656 	int rval2;
7657 	uint16_t mb[MAILBOX_REGISTER_COUNT];
7658 	struct qla_hw_data *ha = vha->hw;
7659 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7660 	struct req_que *req;
7661 	struct rsp_que *rsp;
7662 
7663 	if (!vha->vp_idx)
7664 		return -EINVAL;
7665 
7666 	rval = qla2x00_fw_ready(base_vha);
7667 	if (vha->qpair)
7668 		req = vha->qpair->req;
7669 	else
7670 		req = ha->req_q_map[0];
7671 	rsp = req->rsp;
7672 
7673 	if (rval == QLA_SUCCESS) {
7674 		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7675 		qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
7676 	}
7677 
7678 	vha->flags.management_server_logged_in = 0;
7679 
7680 	/* Login to SNS first */
7681 	rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
7682 	    BIT_1);
7683 	if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
7684 		if (rval2 == QLA_MEMORY_ALLOC_FAILED)
7685 			ql_dbg(ql_dbg_init, vha, 0x0120,
7686 			    "Failed SNS login: loop_id=%x, rval2=%d\n",
7687 			    NPH_SNS, rval2);
7688 		else
7689 			ql_dbg(ql_dbg_init, vha, 0x0103,
7690 			    "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
7691 			    "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
7692 			    NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
7693 		return (QLA_FUNCTION_FAILED);
7694 	}
7695 
7696 	atomic_set(&vha->loop_down_timer, 0);
7697 	atomic_set(&vha->loop_state, LOOP_UP);
7698 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7699 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
7700 	rval = qla2x00_loop_resync(base_vha);
7701 
7702 	return rval;
7703 }
7704 
7705 /* 84XX Support **************************************************************/
7706 
7707 static LIST_HEAD(qla_cs84xx_list);
7708 static DEFINE_MUTEX(qla_cs84xx_mutex);
7709 
7710 static struct qla_chip_state_84xx *
7711 qla84xx_get_chip(struct scsi_qla_host *vha)
7712 {
7713 	struct qla_chip_state_84xx *cs84xx;
7714 	struct qla_hw_data *ha = vha->hw;
7715 
7716 	mutex_lock(&qla_cs84xx_mutex);
7717 
7718 	/* Find any shared 84xx chip. */
7719 	list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
7720 		if (cs84xx->bus == ha->pdev->bus) {
7721 			kref_get(&cs84xx->kref);
7722 			goto done;
7723 		}
7724 	}
7725 
7726 	cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
7727 	if (!cs84xx)
7728 		goto done;
7729 
7730 	kref_init(&cs84xx->kref);
7731 	spin_lock_init(&cs84xx->access_lock);
7732 	mutex_init(&cs84xx->fw_update_mutex);
7733 	cs84xx->bus = ha->pdev->bus;
7734 
7735 	list_add_tail(&cs84xx->list, &qla_cs84xx_list);
7736 done:
7737 	mutex_unlock(&qla_cs84xx_mutex);
7738 	return cs84xx;
7739 }
7740 
7741 static void
7742 __qla84xx_chip_release(struct kref *kref)
7743 {
7744 	struct qla_chip_state_84xx *cs84xx =
7745 	    container_of(kref, struct qla_chip_state_84xx, kref);
7746 
7747 	mutex_lock(&qla_cs84xx_mutex);
7748 	list_del(&cs84xx->list);
7749 	mutex_unlock(&qla_cs84xx_mutex);
7750 	kfree(cs84xx);
7751 }
7752 
7753 void
7754 qla84xx_put_chip(struct scsi_qla_host *vha)
7755 {
7756 	struct qla_hw_data *ha = vha->hw;
7757 	if (ha->cs84xx)
7758 		kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
7759 }
7760 
7761 static int
7762 qla84xx_init_chip(scsi_qla_host_t *vha)
7763 {
7764 	int rval;
7765 	uint16_t status[2];
7766 	struct qla_hw_data *ha = vha->hw;
7767 
7768 	mutex_lock(&ha->cs84xx->fw_update_mutex);
7769 
7770 	rval = qla84xx_verify_chip(vha, status);
7771 
7772 	mutex_unlock(&ha->cs84xx->fw_update_mutex);
7773 
7774 	return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
7775 	    QLA_SUCCESS;
7776 }
7777 
7778 /* 81XX Support **************************************************************/
7779 
7780 int
7781 qla81xx_nvram_config(scsi_qla_host_t *vha)
7782 {
7783 	int   rval;
7784 	struct init_cb_81xx *icb;
7785 	struct nvram_81xx *nv;
7786 	uint32_t *dptr;
7787 	uint8_t  *dptr1, *dptr2;
7788 	uint32_t chksum;
7789 	uint16_t cnt;
7790 	struct qla_hw_data *ha = vha->hw;
7791 
7792 	rval = QLA_SUCCESS;
7793 	icb = (struct init_cb_81xx *)ha->init_cb;
7794 	nv = ha->nvram;
7795 
7796 	/* Determine NVRAM starting address. */
7797 	ha->nvram_size = sizeof(struct nvram_81xx);
7798 	ha->vpd_size = FA_NVRAM_VPD_SIZE;
7799 	if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
7800 		ha->vpd_size = FA_VPD_SIZE_82XX;
7801 
7802 	/* Get VPD data into cache */
7803 	ha->vpd = ha->nvram + VPD_OFFSET;
7804 	ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
7805 	    ha->vpd_size);
7806 
7807 	/* Get NVRAM data into cache and calculate checksum. */
7808 	ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
7809 	    ha->nvram_size);
7810 	dptr = (uint32_t *)nv;
7811 	for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7812 		chksum += le32_to_cpu(*dptr);
7813 
7814 	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
7815 	    "Contents of NVRAM:\n");
7816 	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
7817 	    (uint8_t *)nv, ha->nvram_size);
7818 
7819 	/* Bad NVRAM data, set defaults parameters. */
7820 	if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
7821 	    || nv->id[3] != ' ' ||
7822 	    nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
7823 		/* Reset NVRAM data. */
7824 		ql_log(ql_log_info, vha, 0x0073,
7825 		    "Inconsistent NVRAM detected: checksum=0x%x id=%c "
7826 		    "version=0x%x.\n", chksum, nv->id[0],
7827 		    le16_to_cpu(nv->nvram_version));
7828 		ql_log(ql_log_info, vha, 0x0074,
7829 		    "Falling back to functioning (yet invalid -- WWPN) "
7830 		    "defaults.\n");
7831 
7832 		/*
7833 		 * Set default initialization control block.
7834 		 */
7835 		memset(nv, 0, ha->nvram_size);
7836 		nv->nvram_version = cpu_to_le16(ICB_VERSION);
7837 		nv->version = cpu_to_le16(ICB_VERSION);
7838 		nv->frame_payload_size = 2048;
7839 		nv->execution_throttle = cpu_to_le16(0xFFFF);
7840 		nv->exchange_count = cpu_to_le16(0);
7841 		nv->port_name[0] = 0x21;
7842 		nv->port_name[1] = 0x00 + ha->port_no + 1;
7843 		nv->port_name[2] = 0x00;
7844 		nv->port_name[3] = 0xe0;
7845 		nv->port_name[4] = 0x8b;
7846 		nv->port_name[5] = 0x1c;
7847 		nv->port_name[6] = 0x55;
7848 		nv->port_name[7] = 0x86;
7849 		nv->node_name[0] = 0x20;
7850 		nv->node_name[1] = 0x00;
7851 		nv->node_name[2] = 0x00;
7852 		nv->node_name[3] = 0xe0;
7853 		nv->node_name[4] = 0x8b;
7854 		nv->node_name[5] = 0x1c;
7855 		nv->node_name[6] = 0x55;
7856 		nv->node_name[7] = 0x86;
7857 		nv->login_retry_count = cpu_to_le16(8);
7858 		nv->interrupt_delay_timer = cpu_to_le16(0);
7859 		nv->login_timeout = cpu_to_le16(0);
7860 		nv->firmware_options_1 =
7861 		    cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7862 		nv->firmware_options_2 = cpu_to_le32(2 << 4);
7863 		nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7864 		nv->firmware_options_3 = cpu_to_le32(2 << 13);
7865 		nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7866 		nv->efi_parameters = cpu_to_le32(0);
7867 		nv->reset_delay = 5;
7868 		nv->max_luns_per_target = cpu_to_le16(128);
7869 		nv->port_down_retry_count = cpu_to_le16(30);
7870 		nv->link_down_timeout = cpu_to_le16(180);
7871 		nv->enode_mac[0] = 0x00;
7872 		nv->enode_mac[1] = 0xC0;
7873 		nv->enode_mac[2] = 0xDD;
7874 		nv->enode_mac[3] = 0x04;
7875 		nv->enode_mac[4] = 0x05;
7876 		nv->enode_mac[5] = 0x06 + ha->port_no + 1;
7877 
7878 		rval = 1;
7879 	}
7880 
7881 	if (IS_T10_PI_CAPABLE(ha))
7882 		nv->frame_payload_size &= ~7;
7883 
7884 	qlt_81xx_config_nvram_stage1(vha, nv);
7885 
7886 	/* Reset Initialization control block */
7887 	memset(icb, 0, ha->init_cb_size);
7888 
7889 	/* Copy 1st segment. */
7890 	dptr1 = (uint8_t *)icb;
7891 	dptr2 = (uint8_t *)&nv->version;
7892 	cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7893 	while (cnt--)
7894 		*dptr1++ = *dptr2++;
7895 
7896 	icb->login_retry_count = nv->login_retry_count;
7897 
7898 	/* Copy 2nd segment. */
7899 	dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7900 	dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7901 	cnt = (uint8_t *)&icb->reserved_5 -
7902 	    (uint8_t *)&icb->interrupt_delay_timer;
7903 	while (cnt--)
7904 		*dptr1++ = *dptr2++;
7905 
7906 	memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
7907 	/* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
7908 	if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
7909 		icb->enode_mac[0] = 0x00;
7910 		icb->enode_mac[1] = 0xC0;
7911 		icb->enode_mac[2] = 0xDD;
7912 		icb->enode_mac[3] = 0x04;
7913 		icb->enode_mac[4] = 0x05;
7914 		icb->enode_mac[5] = 0x06 + ha->port_no + 1;
7915 	}
7916 
7917 	/* Use extended-initialization control block. */
7918 	memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
7919 
7920 	/*
7921 	 * Setup driver NVRAM options.
7922 	 */
7923 	qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7924 	    "QLE8XXX");
7925 
7926 	qlt_81xx_config_nvram_stage2(vha, icb);
7927 
7928 	/* Use alternate WWN? */
7929 	if (nv->host_p & cpu_to_le32(BIT_15)) {
7930 		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7931 		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7932 	}
7933 
7934 	/* Prepare nodename */
7935 	if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7936 		/*
7937 		 * Firmware will apply the following mask if the nodename was
7938 		 * not provided.
7939 		 */
7940 		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7941 		icb->node_name[0] &= 0xF0;
7942 	}
7943 
7944 	/* Set host adapter parameters. */
7945 	ha->flags.disable_risc_code_load = 0;
7946 	ha->flags.enable_lip_reset = 0;
7947 	ha->flags.enable_lip_full_login =
7948 	    le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
7949 	ha->flags.enable_target_reset =
7950 	    le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
7951 	ha->flags.enable_led_scheme = 0;
7952 	ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
7953 
7954 	ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7955 	    (BIT_6 | BIT_5 | BIT_4)) >> 4;
7956 
7957 	/* save HBA serial number */
7958 	ha->serial0 = icb->port_name[5];
7959 	ha->serial1 = icb->port_name[6];
7960 	ha->serial2 = icb->port_name[7];
7961 	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7962 	memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7963 
7964 	icb->execution_throttle = cpu_to_le16(0xFFFF);
7965 
7966 	ha->retry_count = le16_to_cpu(nv->login_retry_count);
7967 
7968 	/* Set minimum login_timeout to 4 seconds. */
7969 	if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7970 		nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7971 	if (le16_to_cpu(nv->login_timeout) < 4)
7972 		nv->login_timeout = cpu_to_le16(4);
7973 	ha->login_timeout = le16_to_cpu(nv->login_timeout);
7974 
7975 	/* Set minimum RATOV to 100 tenths of a second. */
7976 	ha->r_a_tov = 100;
7977 
7978 	ha->loop_reset_delay = nv->reset_delay;
7979 
7980 	/* Link Down Timeout = 0:
7981 	 *
7982 	 *	When Port Down timer expires we will start returning
7983 	 *	I/O's to OS with "DID_NO_CONNECT".
7984 	 *
7985 	 * Link Down Timeout != 0:
7986 	 *
7987 	 *	 The driver waits for the link to come up after link down
7988 	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
7989 	 */
7990 	if (le16_to_cpu(nv->link_down_timeout) == 0) {
7991 		ha->loop_down_abort_time =
7992 		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7993 	} else {
7994 		ha->link_down_timeout =	le16_to_cpu(nv->link_down_timeout);
7995 		ha->loop_down_abort_time =
7996 		    (LOOP_DOWN_TIME - ha->link_down_timeout);
7997 	}
7998 
7999 	/* Need enough time to try and get the port back. */
8000 	ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8001 	if (qlport_down_retry)
8002 		ha->port_down_retry_count = qlport_down_retry;
8003 
8004 	/* Set login_retry_count */
8005 	ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8006 	if (ha->port_down_retry_count ==
8007 	    le16_to_cpu(nv->port_down_retry_count) &&
8008 	    ha->port_down_retry_count > 3)
8009 		ha->login_retry_count = ha->port_down_retry_count;
8010 	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8011 		ha->login_retry_count = ha->port_down_retry_count;
8012 	if (ql2xloginretrycount)
8013 		ha->login_retry_count = ql2xloginretrycount;
8014 
8015 	/* if not running MSI-X we need handshaking on interrupts */
8016 	if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
8017 		icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8018 
8019 	/* Enable ZIO. */
8020 	if (!vha->flags.init_done) {
8021 		ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8022 		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8023 		ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8024 		    le16_to_cpu(icb->interrupt_delay_timer): 2;
8025 	}
8026 	icb->firmware_options_2 &= cpu_to_le32(
8027 	    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8028 	vha->flags.process_response_queue = 0;
8029 	if (ha->zio_mode != QLA_ZIO_DISABLED) {
8030 		ha->zio_mode = QLA_ZIO_MODE_6;
8031 
8032 		ql_log(ql_log_info, vha, 0x0075,
8033 		    "ZIO mode %d enabled; timer delay (%d us).\n",
8034 		    ha->zio_mode,
8035 		    ha->zio_timer * 100);
8036 
8037 		icb->firmware_options_2 |= cpu_to_le32(
8038 		    (uint32_t)ha->zio_mode);
8039 		icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8040 		vha->flags.process_response_queue = 1;
8041 	}
8042 
8043 	 /* enable RIDA Format2 */
8044 	if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha))
8045 		icb->firmware_options_3 |= BIT_0;
8046 
8047 	if (IS_QLA27XX(ha)) {
8048 		icb->firmware_options_3 |= BIT_8;
8049 		ql_dbg(ql_log_info, vha, 0x0075,
8050 		    "Enabling direct connection.\n");
8051 	}
8052 
8053 	if (rval) {
8054 		ql_log(ql_log_warn, vha, 0x0076,
8055 		    "NVRAM configuration failed.\n");
8056 	}
8057 	return (rval);
8058 }
8059 
8060 int
8061 qla82xx_restart_isp(scsi_qla_host_t *vha)
8062 {
8063 	int status, rval;
8064 	struct qla_hw_data *ha = vha->hw;
8065 	struct req_que *req = ha->req_q_map[0];
8066 	struct rsp_que *rsp = ha->rsp_q_map[0];
8067 	struct scsi_qla_host *vp;
8068 	unsigned long flags;
8069 
8070 	status = qla2x00_init_rings(vha);
8071 	if (!status) {
8072 		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8073 		ha->flags.chip_reset_done = 1;
8074 
8075 		status = qla2x00_fw_ready(vha);
8076 		if (!status) {
8077 			/* Issue a marker after FW becomes ready. */
8078 			qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
8079 			vha->flags.online = 1;
8080 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8081 		}
8082 
8083 		/* if no cable then assume it's good */
8084 		if ((vha->device_flags & DFLG_NO_CABLE))
8085 			status = 0;
8086 	}
8087 
8088 	if (!status) {
8089 		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8090 
8091 		if (!atomic_read(&vha->loop_down_timer)) {
8092 			/*
8093 			 * Issue marker command only when we are going
8094 			 * to start the I/O .
8095 			 */
8096 			vha->marker_needed = 1;
8097 		}
8098 
8099 		ha->isp_ops->enable_intrs(ha);
8100 
8101 		ha->isp_abort_cnt = 0;
8102 		clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
8103 
8104 		/* Update the firmware version */
8105 		status = qla82xx_check_md_needed(vha);
8106 
8107 		if (ha->fce) {
8108 			ha->flags.fce_enabled = 1;
8109 			memset(ha->fce, 0,
8110 			    fce_calc_size(ha->fce_bufs));
8111 			rval = qla2x00_enable_fce_trace(vha,
8112 			    ha->fce_dma, ha->fce_bufs, ha->fce_mb,
8113 			    &ha->fce_bufs);
8114 			if (rval) {
8115 				ql_log(ql_log_warn, vha, 0x8001,
8116 				    "Unable to reinitialize FCE (%d).\n",
8117 				    rval);
8118 				ha->flags.fce_enabled = 0;
8119 			}
8120 		}
8121 
8122 		if (ha->eft) {
8123 			memset(ha->eft, 0, EFT_SIZE);
8124 			rval = qla2x00_enable_eft_trace(vha,
8125 			    ha->eft_dma, EFT_NUM_BUFFERS);
8126 			if (rval) {
8127 				ql_log(ql_log_warn, vha, 0x8010,
8128 				    "Unable to reinitialize EFT (%d).\n",
8129 				    rval);
8130 			}
8131 		}
8132 	}
8133 
8134 	if (!status) {
8135 		ql_dbg(ql_dbg_taskm, vha, 0x8011,
8136 		    "qla82xx_restart_isp succeeded.\n");
8137 
8138 		spin_lock_irqsave(&ha->vport_slock, flags);
8139 		list_for_each_entry(vp, &ha->vp_list, list) {
8140 			if (vp->vp_idx) {
8141 				atomic_inc(&vp->vref_count);
8142 				spin_unlock_irqrestore(&ha->vport_slock, flags);
8143 
8144 				qla2x00_vp_abort_isp(vp);
8145 
8146 				spin_lock_irqsave(&ha->vport_slock, flags);
8147 				atomic_dec(&vp->vref_count);
8148 			}
8149 		}
8150 		spin_unlock_irqrestore(&ha->vport_slock, flags);
8151 
8152 	} else {
8153 		ql_log(ql_log_warn, vha, 0x8016,
8154 		    "qla82xx_restart_isp **** FAILED ****.\n");
8155 	}
8156 
8157 	return status;
8158 }
8159 
8160 void
8161 qla81xx_update_fw_options(scsi_qla_host_t *vha)
8162 {
8163 	struct qla_hw_data *ha = vha->hw;
8164 
8165 	/*  Hold status IOCBs until ABTS response received. */
8166 	if (ql2xfwholdabts)
8167 		ha->fw_options[3] |= BIT_12;
8168 
8169 	/* Set Retry FLOGI in case of P2P connection */
8170 	if (ha->operating_mode == P2P) {
8171 		ha->fw_options[2] |= BIT_3;
8172 		ql_dbg(ql_dbg_disc, vha, 0x2103,
8173 		    "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
8174 			__func__, ha->fw_options[2]);
8175 	}
8176 
8177 	/* Move PUREX, ABTS RX & RIDA to ATIOQ */
8178 	if (ql2xmvasynctoatio) {
8179 		if (qla_tgt_mode_enabled(vha) ||
8180 		    qla_dual_mode_enabled(vha))
8181 			ha->fw_options[2] |= BIT_11;
8182 		else
8183 			ha->fw_options[2] &= ~BIT_11;
8184 	}
8185 
8186 	if (qla_tgt_mode_enabled(vha) ||
8187 	    qla_dual_mode_enabled(vha)) {
8188 		/* FW auto send SCSI status during */
8189 		ha->fw_options[1] |= BIT_8;
8190 		ha->fw_options[10] |= (u16)SAM_STAT_BUSY << 8;
8191 
8192 		/* FW perform Exchange validation */
8193 		ha->fw_options[2] |= BIT_4;
8194 	} else {
8195 		ha->fw_options[1]  &= ~BIT_8;
8196 		ha->fw_options[10] &= 0x00ff;
8197 
8198 		ha->fw_options[2] &= ~BIT_4;
8199 	}
8200 
8201 	if (ql2xetsenable) {
8202 		/* Enable ETS Burst. */
8203 		memset(ha->fw_options, 0, sizeof(ha->fw_options));
8204 		ha->fw_options[2] |= BIT_9;
8205 	}
8206 
8207 	ql_dbg(ql_dbg_init, vha, 0x00e9,
8208 	    "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
8209 	    __func__, ha->fw_options[1], ha->fw_options[2],
8210 	    ha->fw_options[3], vha->host->active_mode);
8211 
8212 	qla2x00_set_fw_options(vha, ha->fw_options);
8213 }
8214 
8215 /*
8216  * qla24xx_get_fcp_prio
8217  *	Gets the fcp cmd priority value for the logged in port.
8218  *	Looks for a match of the port descriptors within
8219  *	each of the fcp prio config entries. If a match is found,
8220  *	the tag (priority) value is returned.
8221  *
8222  * Input:
8223  *	vha = scsi host structure pointer.
8224  *	fcport = port structure pointer.
8225  *
8226  * Return:
8227  *	non-zero (if found)
8228  *	-1 (if not found)
8229  *
8230  * Context:
8231  * 	Kernel context
8232  */
8233 static int
8234 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8235 {
8236 	int i, entries;
8237 	uint8_t pid_match, wwn_match;
8238 	int priority;
8239 	uint32_t pid1, pid2;
8240 	uint64_t wwn1, wwn2;
8241 	struct qla_fcp_prio_entry *pri_entry;
8242 	struct qla_hw_data *ha = vha->hw;
8243 
8244 	if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
8245 		return -1;
8246 
8247 	priority = -1;
8248 	entries = ha->fcp_prio_cfg->num_entries;
8249 	pri_entry = &ha->fcp_prio_cfg->entry[0];
8250 
8251 	for (i = 0; i < entries; i++) {
8252 		pid_match = wwn_match = 0;
8253 
8254 		if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
8255 			pri_entry++;
8256 			continue;
8257 		}
8258 
8259 		/* check source pid for a match */
8260 		if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
8261 			pid1 = pri_entry->src_pid & INVALID_PORT_ID;
8262 			pid2 = vha->d_id.b24 & INVALID_PORT_ID;
8263 			if (pid1 == INVALID_PORT_ID)
8264 				pid_match++;
8265 			else if (pid1 == pid2)
8266 				pid_match++;
8267 		}
8268 
8269 		/* check destination pid for a match */
8270 		if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
8271 			pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
8272 			pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
8273 			if (pid1 == INVALID_PORT_ID)
8274 				pid_match++;
8275 			else if (pid1 == pid2)
8276 				pid_match++;
8277 		}
8278 
8279 		/* check source WWN for a match */
8280 		if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
8281 			wwn1 = wwn_to_u64(vha->port_name);
8282 			wwn2 = wwn_to_u64(pri_entry->src_wwpn);
8283 			if (wwn2 == (uint64_t)-1)
8284 				wwn_match++;
8285 			else if (wwn1 == wwn2)
8286 				wwn_match++;
8287 		}
8288 
8289 		/* check destination WWN for a match */
8290 		if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
8291 			wwn1 = wwn_to_u64(fcport->port_name);
8292 			wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
8293 			if (wwn2 == (uint64_t)-1)
8294 				wwn_match++;
8295 			else if (wwn1 == wwn2)
8296 				wwn_match++;
8297 		}
8298 
8299 		if (pid_match == 2 || wwn_match == 2) {
8300 			/* Found a matching entry */
8301 			if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
8302 				priority = pri_entry->tag;
8303 			break;
8304 		}
8305 
8306 		pri_entry++;
8307 	}
8308 
8309 	return priority;
8310 }
8311 
8312 /*
8313  * qla24xx_update_fcport_fcp_prio
8314  *	Activates fcp priority for the logged in fc port
8315  *
8316  * Input:
8317  *	vha = scsi host structure pointer.
8318  *	fcp = port structure pointer.
8319  *
8320  * Return:
8321  *	QLA_SUCCESS or QLA_FUNCTION_FAILED
8322  *
8323  * Context:
8324  *	Kernel context.
8325  */
8326 int
8327 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8328 {
8329 	int ret;
8330 	int priority;
8331 	uint16_t mb[5];
8332 
8333 	if (fcport->port_type != FCT_TARGET ||
8334 	    fcport->loop_id == FC_NO_LOOP_ID)
8335 		return QLA_FUNCTION_FAILED;
8336 
8337 	priority = qla24xx_get_fcp_prio(vha, fcport);
8338 	if (priority < 0)
8339 		return QLA_FUNCTION_FAILED;
8340 
8341 	if (IS_P3P_TYPE(vha->hw)) {
8342 		fcport->fcp_prio = priority & 0xf;
8343 		return QLA_SUCCESS;
8344 	}
8345 
8346 	ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
8347 	if (ret == QLA_SUCCESS) {
8348 		if (fcport->fcp_prio != priority)
8349 			ql_dbg(ql_dbg_user, vha, 0x709e,
8350 			    "Updated FCP_CMND priority - value=%d loop_id=%d "
8351 			    "port_id=%02x%02x%02x.\n", priority,
8352 			    fcport->loop_id, fcport->d_id.b.domain,
8353 			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
8354 		fcport->fcp_prio = priority & 0xf;
8355 	} else
8356 		ql_dbg(ql_dbg_user, vha, 0x704f,
8357 		    "Unable to update FCP_CMND priority - ret=0x%x for "
8358 		    "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
8359 		    fcport->d_id.b.domain, fcport->d_id.b.area,
8360 		    fcport->d_id.b.al_pa);
8361 	return  ret;
8362 }
8363 
8364 /*
8365  * qla24xx_update_all_fcp_prio
8366  *	Activates fcp priority for all the logged in ports
8367  *
8368  * Input:
8369  *	ha = adapter block pointer.
8370  *
8371  * Return:
8372  *	QLA_SUCCESS or QLA_FUNCTION_FAILED
8373  *
8374  * Context:
8375  *	Kernel context.
8376  */
8377 int
8378 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
8379 {
8380 	int ret;
8381 	fc_port_t *fcport;
8382 
8383 	ret = QLA_FUNCTION_FAILED;
8384 	/* We need to set priority for all logged in ports */
8385 	list_for_each_entry(fcport, &vha->vp_fcports, list)
8386 		ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
8387 
8388 	return ret;
8389 }
8390 
8391 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
8392 	int vp_idx, bool startqp)
8393 {
8394 	int rsp_id = 0;
8395 	int  req_id = 0;
8396 	int i;
8397 	struct qla_hw_data *ha = vha->hw;
8398 	uint16_t qpair_id = 0;
8399 	struct qla_qpair *qpair = NULL;
8400 	struct qla_msix_entry *msix;
8401 
8402 	if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
8403 		ql_log(ql_log_warn, vha, 0x00181,
8404 		    "FW/Driver is not multi-queue capable.\n");
8405 		return NULL;
8406 	}
8407 
8408 	if (ql2xmqsupport || ql2xnvmeenable) {
8409 		qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
8410 		if (qpair == NULL) {
8411 			ql_log(ql_log_warn, vha, 0x0182,
8412 			    "Failed to allocate memory for queue pair.\n");
8413 			return NULL;
8414 		}
8415 		memset(qpair, 0, sizeof(struct qla_qpair));
8416 
8417 		qpair->hw = vha->hw;
8418 		qpair->vha = vha;
8419 		qpair->qp_lock_ptr = &qpair->qp_lock;
8420 		spin_lock_init(&qpair->qp_lock);
8421 		qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
8422 
8423 		/* Assign available que pair id */
8424 		mutex_lock(&ha->mq_lock);
8425 		qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
8426 		if (ha->num_qpairs >= ha->max_qpairs) {
8427 			mutex_unlock(&ha->mq_lock);
8428 			ql_log(ql_log_warn, vha, 0x0183,
8429 			    "No resources to create additional q pair.\n");
8430 			goto fail_qid_map;
8431 		}
8432 		ha->num_qpairs++;
8433 		set_bit(qpair_id, ha->qpair_qid_map);
8434 		ha->queue_pair_map[qpair_id] = qpair;
8435 		qpair->id = qpair_id;
8436 		qpair->vp_idx = vp_idx;
8437 		qpair->fw_started = ha->flags.fw_started;
8438 		INIT_LIST_HEAD(&qpair->hints_list);
8439 		qpair->chip_reset = ha->base_qpair->chip_reset;
8440 		qpair->enable_class_2 = ha->base_qpair->enable_class_2;
8441 		qpair->enable_explicit_conf =
8442 		    ha->base_qpair->enable_explicit_conf;
8443 
8444 		for (i = 0; i < ha->msix_count; i++) {
8445 			msix = &ha->msix_entries[i];
8446 			if (msix->in_use)
8447 				continue;
8448 			qpair->msix = msix;
8449 			ql_dbg(ql_dbg_multiq, vha, 0xc00f,
8450 			    "Vector %x selected for qpair\n", msix->vector);
8451 			break;
8452 		}
8453 		if (!qpair->msix) {
8454 			ql_log(ql_log_warn, vha, 0x0184,
8455 			    "Out of MSI-X vectors!.\n");
8456 			goto fail_msix;
8457 		}
8458 
8459 		qpair->msix->in_use = 1;
8460 		list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
8461 		qpair->pdev = ha->pdev;
8462 		if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
8463 			qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
8464 
8465 		mutex_unlock(&ha->mq_lock);
8466 
8467 		/* Create response queue first */
8468 		rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
8469 		if (!rsp_id) {
8470 			ql_log(ql_log_warn, vha, 0x0185,
8471 			    "Failed to create response queue.\n");
8472 			goto fail_rsp;
8473 		}
8474 
8475 		qpair->rsp = ha->rsp_q_map[rsp_id];
8476 
8477 		/* Create request queue */
8478 		req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
8479 		    startqp);
8480 		if (!req_id) {
8481 			ql_log(ql_log_warn, vha, 0x0186,
8482 			    "Failed to create request queue.\n");
8483 			goto fail_req;
8484 		}
8485 
8486 		qpair->req = ha->req_q_map[req_id];
8487 		qpair->rsp->req = qpair->req;
8488 		qpair->rsp->qpair = qpair;
8489 		/* init qpair to this cpu. Will adjust at run time. */
8490 		qla_cpu_update(qpair, smp_processor_id());
8491 
8492 		if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
8493 			if (ha->fw_attributes & BIT_4)
8494 				qpair->difdix_supported = 1;
8495 		}
8496 
8497 		qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
8498 		if (!qpair->srb_mempool) {
8499 			ql_log(ql_log_warn, vha, 0xd036,
8500 			    "Failed to create srb mempool for qpair %d\n",
8501 			    qpair->id);
8502 			goto fail_mempool;
8503 		}
8504 
8505 		/* Mark as online */
8506 		qpair->online = 1;
8507 
8508 		if (!vha->flags.qpairs_available)
8509 			vha->flags.qpairs_available = 1;
8510 
8511 		ql_dbg(ql_dbg_multiq, vha, 0xc00d,
8512 		    "Request/Response queue pair created, id %d\n",
8513 		    qpair->id);
8514 		ql_dbg(ql_dbg_init, vha, 0x0187,
8515 		    "Request/Response queue pair created, id %d\n",
8516 		    qpair->id);
8517 	}
8518 	return qpair;
8519 
8520 fail_mempool:
8521 fail_req:
8522 	qla25xx_delete_rsp_que(vha, qpair->rsp);
8523 fail_rsp:
8524 	mutex_lock(&ha->mq_lock);
8525 	qpair->msix->in_use = 0;
8526 	list_del(&qpair->qp_list_elem);
8527 	if (list_empty(&vha->qp_list))
8528 		vha->flags.qpairs_available = 0;
8529 fail_msix:
8530 	ha->queue_pair_map[qpair_id] = NULL;
8531 	clear_bit(qpair_id, ha->qpair_qid_map);
8532 	ha->num_qpairs--;
8533 	mutex_unlock(&ha->mq_lock);
8534 fail_qid_map:
8535 	kfree(qpair);
8536 	return NULL;
8537 }
8538 
8539 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
8540 {
8541 	int ret = QLA_FUNCTION_FAILED;
8542 	struct qla_hw_data *ha = qpair->hw;
8543 
8544 	qpair->delete_in_progress = 1;
8545 	while (atomic_read(&qpair->ref_count))
8546 		msleep(500);
8547 
8548 	ret = qla25xx_delete_req_que(vha, qpair->req);
8549 	if (ret != QLA_SUCCESS)
8550 		goto fail;
8551 
8552 	ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
8553 	if (ret != QLA_SUCCESS)
8554 		goto fail;
8555 
8556 	mutex_lock(&ha->mq_lock);
8557 	ha->queue_pair_map[qpair->id] = NULL;
8558 	clear_bit(qpair->id, ha->qpair_qid_map);
8559 	ha->num_qpairs--;
8560 	list_del(&qpair->qp_list_elem);
8561 	if (list_empty(&vha->qp_list)) {
8562 		vha->flags.qpairs_available = 0;
8563 		vha->flags.qpairs_req_created = 0;
8564 		vha->flags.qpairs_rsp_created = 0;
8565 	}
8566 	mempool_destroy(qpair->srb_mempool);
8567 	kfree(qpair);
8568 	mutex_unlock(&ha->mq_lock);
8569 
8570 	return QLA_SUCCESS;
8571 fail:
8572 	return ret;
8573 }
8574