xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_init.c (revision e657c18a)
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 	struct req_que *req;
54 	unsigned long flags;
55 	struct qla_hw_data *ha = sp->vha->hw;
56 
57 	WARN_ON_ONCE(irqs_disabled());
58 	spin_lock_irqsave(&ha->hardware_lock, flags);
59 	req = sp->qpair->req;
60 	req->outstanding_cmds[sp->handle] = NULL;
61 	iocb = &sp->u.iocb_cmd;
62 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
63 	iocb->timeout(sp);
64 }
65 
66 void
67 qla2x00_sp_free(void *ptr)
68 {
69 	srb_t *sp = ptr;
70 	struct srb_iocb *iocb = &sp->u.iocb_cmd;
71 
72 	del_timer(&iocb->timer);
73 	qla2x00_rel_sp(sp);
74 }
75 
76 /* Asynchronous Login/Logout Routines -------------------------------------- */
77 
78 unsigned long
79 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
80 {
81 	unsigned long tmo;
82 	struct qla_hw_data *ha = vha->hw;
83 
84 	/* Firmware should use switch negotiated r_a_tov for timeout. */
85 	tmo = ha->r_a_tov / 10 * 2;
86 	if (IS_QLAFX00(ha)) {
87 		tmo = FX00_DEF_RATOV * 2;
88 	} else if (!IS_FWI2_CAPABLE(ha)) {
89 		/*
90 		 * Except for earlier ISPs where the timeout is seeded from the
91 		 * initialization control block.
92 		 */
93 		tmo = ha->login_timeout;
94 	}
95 	return tmo;
96 }
97 
98 void
99 qla2x00_async_iocb_timeout(void *data)
100 {
101 	srb_t *sp = data;
102 	fc_port_t *fcport = sp->fcport;
103 	struct srb_iocb *lio = &sp->u.iocb_cmd;
104 	int rc, h;
105 	unsigned long flags;
106 
107 	if (fcport) {
108 		ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
109 		    "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
110 		    sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
111 
112 		fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
113 	} else {
114 		pr_info("Async-%s timeout - hdl=%x.\n",
115 		    sp->name, sp->handle);
116 	}
117 
118 	switch (sp->type) {
119 	case SRB_LOGIN_CMD:
120 		rc = qla24xx_async_abort_cmd(sp, false);
121 		if (rc) {
122 			/* Retry as needed. */
123 			lio->u.logio.data[0] = MBS_COMMAND_ERROR;
124 			lio->u.logio.data[1] =
125 				lio->u.logio.flags & SRB_LOGIN_RETRIED ?
126 				QLA_LOGIO_LOGIN_RETRIED : 0;
127 			spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
128 			for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
129 			    h++) {
130 				if (sp->qpair->req->outstanding_cmds[h] ==
131 				    sp) {
132 					sp->qpair->req->outstanding_cmds[h] =
133 					    NULL;
134 					break;
135 				}
136 			}
137 			spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
138 			sp->done(sp, QLA_FUNCTION_TIMEOUT);
139 		}
140 		break;
141 	case SRB_LOGOUT_CMD:
142 	case SRB_CT_PTHRU_CMD:
143 	case SRB_MB_IOCB:
144 	case SRB_NACK_PLOGI:
145 	case SRB_NACK_PRLI:
146 	case SRB_NACK_LOGO:
147 	case SRB_CTRL_VP:
148 		rc = qla24xx_async_abort_cmd(sp, false);
149 		if (rc) {
150 			spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
151 			for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
152 			    h++) {
153 				if (sp->qpair->req->outstanding_cmds[h] ==
154 				    sp) {
155 					sp->qpair->req->outstanding_cmds[h] =
156 					    NULL;
157 					break;
158 				}
159 			}
160 			spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
161 			sp->done(sp, QLA_FUNCTION_TIMEOUT);
162 		}
163 		break;
164 	}
165 }
166 
167 static void
168 qla2x00_async_login_sp_done(void *ptr, int res)
169 {
170 	srb_t *sp = ptr;
171 	struct scsi_qla_host *vha = sp->vha;
172 	struct srb_iocb *lio = &sp->u.iocb_cmd;
173 	struct event_arg ea;
174 
175 	ql_dbg(ql_dbg_disc, vha, 0x20dd,
176 	    "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
177 
178 	sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
179 
180 	if (!test_bit(UNLOADING, &vha->dpc_flags)) {
181 		memset(&ea, 0, sizeof(ea));
182 		ea.event = FCME_PLOGI_DONE;
183 		ea.fcport = sp->fcport;
184 		ea.data[0] = lio->u.logio.data[0];
185 		ea.data[1] = lio->u.logio.data[1];
186 		ea.iop[0] = lio->u.logio.iop[0];
187 		ea.iop[1] = lio->u.logio.iop[1];
188 		ea.sp = sp;
189 		qla2x00_fcport_event_handler(vha, &ea);
190 	}
191 
192 	sp->free(sp);
193 }
194 
195 static inline bool
196 fcport_is_smaller(fc_port_t *fcport)
197 {
198 	if (wwn_to_u64(fcport->port_name) <
199 	    wwn_to_u64(fcport->vha->port_name))
200 		return true;
201 	else
202 		return false;
203 }
204 
205 static inline bool
206 fcport_is_bigger(fc_port_t *fcport)
207 {
208 	return !fcport_is_smaller(fcport);
209 }
210 
211 int
212 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
213     uint16_t *data)
214 {
215 	srb_t *sp;
216 	struct srb_iocb *lio;
217 	int rval = QLA_FUNCTION_FAILED;
218 
219 	if (!vha->flags.online)
220 		goto done;
221 
222 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
223 	if (!sp)
224 		goto done;
225 
226 	fcport->flags |= FCF_ASYNC_SENT;
227 	fcport->logout_completed = 0;
228 
229 	fcport->disc_state = DSC_LOGIN_PEND;
230 	sp->type = SRB_LOGIN_CMD;
231 	sp->name = "login";
232 	sp->gen1 = fcport->rscn_gen;
233 	sp->gen2 = fcport->login_gen;
234 
235 	lio = &sp->u.iocb_cmd;
236 	lio->timeout = qla2x00_async_iocb_timeout;
237 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
238 
239 	sp->done = qla2x00_async_login_sp_done;
240 	if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport))
241 		lio->u.logio.flags |= SRB_LOGIN_PRLI_ONLY;
242 	else
243 		lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
244 
245 	if (fcport->fc4f_nvme)
246 		lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
247 
248 	ql_dbg(ql_dbg_disc, vha, 0x2072,
249 	    "Async-login - %8phC hdl=%x, loopid=%x portid=%02x%02x%02x "
250 		"retries=%d.\n", fcport->port_name, sp->handle, fcport->loop_id,
251 	    fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
252 	    fcport->login_retry);
253 
254 	rval = qla2x00_start_sp(sp);
255 	if (rval != QLA_SUCCESS) {
256 		fcport->flags |= FCF_LOGIN_NEEDED;
257 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
258 		goto done_free_sp;
259 	}
260 
261 	return rval;
262 
263 done_free_sp:
264 	sp->free(sp);
265 	fcport->flags &= ~FCF_ASYNC_SENT;
266 done:
267 	fcport->flags &= ~FCF_ASYNC_ACTIVE;
268 	return rval;
269 }
270 
271 static void
272 qla2x00_async_logout_sp_done(void *ptr, int res)
273 {
274 	srb_t *sp = ptr;
275 
276 	sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
277 	sp->fcport->login_gen++;
278 	qlt_logo_completion_handler(sp->fcport, res);
279 	sp->free(sp);
280 }
281 
282 int
283 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
284 {
285 	srb_t *sp;
286 	struct srb_iocb *lio;
287 	int rval = QLA_FUNCTION_FAILED;
288 
289 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
290 		return rval;
291 
292 	fcport->flags |= FCF_ASYNC_SENT;
293 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
294 	if (!sp)
295 		goto done;
296 
297 	sp->type = SRB_LOGOUT_CMD;
298 	sp->name = "logout";
299 
300 	lio = &sp->u.iocb_cmd;
301 	lio->timeout = qla2x00_async_iocb_timeout;
302 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
303 
304 	sp->done = qla2x00_async_logout_sp_done;
305 
306 	ql_dbg(ql_dbg_disc, vha, 0x2070,
307 	    "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC.\n",
308 	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
309 		fcport->d_id.b.area, fcport->d_id.b.al_pa,
310 		fcport->port_name);
311 
312 	rval = qla2x00_start_sp(sp);
313 	if (rval != QLA_SUCCESS)
314 		goto done_free_sp;
315 	return rval;
316 
317 done_free_sp:
318 	sp->free(sp);
319 done:
320 	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
321 	return rval;
322 }
323 
324 void
325 qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport,
326     uint16_t *data)
327 {
328 	fcport->flags &= ~FCF_ASYNC_ACTIVE;
329 	/* Don't re-login in target mode */
330 	if (!fcport->tgt_session)
331 		qla2x00_mark_device_lost(vha, fcport, 1, 0);
332 	qlt_logo_completion_handler(fcport, data[0]);
333 }
334 
335 static void
336 qla2x00_async_prlo_sp_done(void *s, int res)
337 {
338 	srb_t *sp = (srb_t *)s;
339 	struct srb_iocb *lio = &sp->u.iocb_cmd;
340 	struct scsi_qla_host *vha = sp->vha;
341 
342 	sp->fcport->flags &= ~FCF_ASYNC_ACTIVE;
343 	if (!test_bit(UNLOADING, &vha->dpc_flags))
344 		qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport,
345 		    lio->u.logio.data);
346 	sp->free(sp);
347 }
348 
349 int
350 qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport)
351 {
352 	srb_t *sp;
353 	struct srb_iocb *lio;
354 	int rval;
355 
356 	rval = QLA_FUNCTION_FAILED;
357 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
358 	if (!sp)
359 		goto done;
360 
361 	sp->type = SRB_PRLO_CMD;
362 	sp->name = "prlo";
363 
364 	lio = &sp->u.iocb_cmd;
365 	lio->timeout = qla2x00_async_iocb_timeout;
366 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
367 
368 	sp->done = qla2x00_async_prlo_sp_done;
369 
370 	ql_dbg(ql_dbg_disc, vha, 0x2070,
371 	    "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
372 	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
373 	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
374 
375 	rval = qla2x00_start_sp(sp);
376 	if (rval != QLA_SUCCESS)
377 		goto done_free_sp;
378 
379 	return rval;
380 
381 done_free_sp:
382 	sp->free(sp);
383 done:
384 	fcport->flags &= ~FCF_ASYNC_ACTIVE;
385 	return rval;
386 }
387 
388 static
389 void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
390 {
391 	struct fc_port *fcport = ea->fcport;
392 
393 	ql_dbg(ql_dbg_disc, vha, 0x20d2,
394 	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
395 	    __func__, fcport->port_name, fcport->disc_state,
396 	    fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
397 	    fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
398 
399 	if (ea->data[0] != MBS_COMMAND_COMPLETE) {
400 		ql_dbg(ql_dbg_disc, vha, 0x2066,
401 		    "%s %8phC: adisc fail: post delete\n",
402 		    __func__, ea->fcport->port_name);
403 		/* deleted = 0 & logout_on_delete = force fw cleanup */
404 		fcport->deleted = 0;
405 		fcport->logout_on_delete = 1;
406 		qlt_schedule_sess_for_deletion(ea->fcport);
407 		return;
408 	}
409 
410 	if (ea->fcport->disc_state == DSC_DELETE_PEND)
411 		return;
412 
413 	if (ea->sp->gen2 != ea->fcport->login_gen) {
414 		/* target side must have changed it. */
415 		ql_dbg(ql_dbg_disc, vha, 0x20d3,
416 		    "%s %8phC generation changed\n",
417 		    __func__, ea->fcport->port_name);
418 		return;
419 	} else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
420 		qla_rscn_replay(fcport);
421 		qlt_schedule_sess_for_deletion(fcport);
422 		return;
423 	}
424 
425 	__qla24xx_handle_gpdb_event(vha, ea);
426 }
427 
428 static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport)
429 {
430 	struct qla_work_evt *e;
431 
432 	e = qla2x00_alloc_work(vha, QLA_EVT_ELS_PLOGI);
433 	if (!e)
434 		return QLA_FUNCTION_FAILED;
435 
436 	e->u.fcport.fcport = fcport;
437 	fcport->flags |= FCF_ASYNC_ACTIVE;
438 	return qla2x00_post_work(vha, e);
439 }
440 
441 static void
442 qla2x00_async_adisc_sp_done(void *ptr, int res)
443 {
444 	srb_t *sp = ptr;
445 	struct scsi_qla_host *vha = sp->vha;
446 	struct event_arg ea;
447 	struct srb_iocb *lio = &sp->u.iocb_cmd;
448 
449 	ql_dbg(ql_dbg_disc, vha, 0x2066,
450 	    "Async done-%s res %x %8phC\n",
451 	    sp->name, res, sp->fcport->port_name);
452 
453 	sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
454 
455 	memset(&ea, 0, sizeof(ea));
456 	ea.event = FCME_ADISC_DONE;
457 	ea.rc = res;
458 	ea.data[0] = lio->u.logio.data[0];
459 	ea.data[1] = lio->u.logio.data[1];
460 	ea.iop[0] = lio->u.logio.iop[0];
461 	ea.iop[1] = lio->u.logio.iop[1];
462 	ea.fcport = sp->fcport;
463 	ea.sp = sp;
464 
465 	qla2x00_fcport_event_handler(vha, &ea);
466 
467 	sp->free(sp);
468 }
469 
470 int
471 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
472     uint16_t *data)
473 {
474 	srb_t *sp;
475 	struct srb_iocb *lio;
476 	int rval = QLA_FUNCTION_FAILED;
477 
478 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
479 		return rval;
480 
481 	fcport->flags |= FCF_ASYNC_SENT;
482 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
483 	if (!sp)
484 		goto done;
485 
486 	sp->type = SRB_ADISC_CMD;
487 	sp->name = "adisc";
488 
489 	lio = &sp->u.iocb_cmd;
490 	lio->timeout = qla2x00_async_iocb_timeout;
491 	sp->gen1 = fcport->rscn_gen;
492 	sp->gen2 = fcport->login_gen;
493 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
494 
495 	sp->done = qla2x00_async_adisc_sp_done;
496 	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
497 		lio->u.logio.flags |= SRB_LOGIN_RETRIED;
498 
499 	ql_dbg(ql_dbg_disc, vha, 0x206f,
500 	    "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n",
501 	    sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name);
502 
503 	rval = qla2x00_start_sp(sp);
504 	if (rval != QLA_SUCCESS)
505 		goto done_free_sp;
506 
507 	return rval;
508 
509 done_free_sp:
510 	sp->free(sp);
511 done:
512 	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
513 	qla2x00_post_async_adisc_work(vha, fcport, data);
514 	return rval;
515 }
516 
517 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
518 	struct event_arg *ea)
519 {
520 	fc_port_t *fcport, *conflict_fcport;
521 	struct get_name_list_extended *e;
522 	u16 i, n, found = 0, loop_id;
523 	port_id_t id;
524 	u64 wwn;
525 	u16 data[2];
526 	u8 current_login_state;
527 
528 	fcport = ea->fcport;
529 	ql_dbg(ql_dbg_disc, vha, 0xffff,
530 	    "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d\n",
531 	    __func__, fcport->port_name, fcport->disc_state,
532 	    fcport->fw_login_state, ea->rc,
533 	    fcport->login_gen, fcport->last_login_gen,
534 	    fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id);
535 
536 	if (fcport->disc_state == DSC_DELETE_PEND)
537 		return;
538 
539 	if (ea->rc) { /* rval */
540 		if (fcport->login_retry == 0) {
541 			ql_dbg(ql_dbg_disc, vha, 0x20de,
542 			    "GNL failed Port login retry %8phN, retry cnt=%d.\n",
543 			    fcport->port_name, fcport->login_retry);
544 		}
545 		return;
546 	}
547 
548 	if (fcport->last_rscn_gen != fcport->rscn_gen) {
549 		qla_rscn_replay(fcport);
550 		qlt_schedule_sess_for_deletion(fcport);
551 		return;
552 	} else if (fcport->last_login_gen != fcport->login_gen) {
553 		ql_dbg(ql_dbg_disc, vha, 0x20e0,
554 		    "%s %8phC login gen changed\n",
555 		    __func__, fcport->port_name);
556 		return;
557 	}
558 
559 	n = ea->data[0] / sizeof(struct get_name_list_extended);
560 
561 	ql_dbg(ql_dbg_disc, vha, 0x20e1,
562 	    "%s %d %8phC n %d %02x%02x%02x lid %d \n",
563 	    __func__, __LINE__, fcport->port_name, n,
564 	    fcport->d_id.b.domain, fcport->d_id.b.area,
565 	    fcport->d_id.b.al_pa, fcport->loop_id);
566 
567 	for (i = 0; i < n; i++) {
568 		e = &vha->gnl.l[i];
569 		wwn = wwn_to_u64(e->port_name);
570 		id.b.domain = e->port_id[2];
571 		id.b.area = e->port_id[1];
572 		id.b.al_pa = e->port_id[0];
573 		id.b.rsvd_1 = 0;
574 
575 		if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
576 			continue;
577 
578 		if (IS_SW_RESV_ADDR(id))
579 			continue;
580 
581 		found = 1;
582 
583 		loop_id = le16_to_cpu(e->nport_handle);
584 		loop_id = (loop_id & 0x7fff);
585 		if  (fcport->fc4f_nvme)
586 			current_login_state = e->current_login_state >> 4;
587 		else
588 			current_login_state = e->current_login_state & 0xf;
589 
590 
591 		ql_dbg(ql_dbg_disc, vha, 0x20e2,
592 		    "%s found %8phC CLS [%x|%x] nvme %d ID[%02x%02x%02x|%02x%02x%02x] lid[%d|%d]\n",
593 		    __func__, fcport->port_name,
594 		    e->current_login_state, fcport->fw_login_state,
595 		    fcport->fc4f_nvme, id.b.domain, id.b.area, id.b.al_pa,
596 		    fcport->d_id.b.domain, fcport->d_id.b.area,
597 		    fcport->d_id.b.al_pa, loop_id, fcport->loop_id);
598 
599 		switch (fcport->disc_state) {
600 		case DSC_DELETE_PEND:
601 		case DSC_DELETED:
602 			break;
603 		default:
604 			if ((id.b24 != fcport->d_id.b24 &&
605 			    fcport->d_id.b24) ||
606 			    (fcport->loop_id != FC_NO_LOOP_ID &&
607 				fcport->loop_id != loop_id)) {
608 				ql_dbg(ql_dbg_disc, vha, 0x20e3,
609 				    "%s %d %8phC post del sess\n",
610 				    __func__, __LINE__, fcport->port_name);
611 				qlt_schedule_sess_for_deletion(fcport);
612 				return;
613 			}
614 			break;
615 		}
616 
617 		fcport->loop_id = loop_id;
618 
619 		wwn = wwn_to_u64(fcport->port_name);
620 		qlt_find_sess_invalidate_other(vha, wwn,
621 			id, loop_id, &conflict_fcport);
622 
623 		if (conflict_fcport) {
624 			/*
625 			 * Another share fcport share the same loop_id &
626 			 * nport id. Conflict fcport needs to finish
627 			 * cleanup before this fcport can proceed to login.
628 			 */
629 			conflict_fcport->conflict = fcport;
630 			fcport->login_pause = 1;
631 		}
632 
633 		switch (vha->hw->current_topology) {
634 		default:
635 			switch (current_login_state) {
636 			case DSC_LS_PRLI_COMP:
637 				ql_dbg(ql_dbg_disc + ql_dbg_verbose,
638 				    vha, 0x20e4, "%s %d %8phC post gpdb\n",
639 				    __func__, __LINE__, fcport->port_name);
640 
641 				if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
642 					fcport->port_type = FCT_INITIATOR;
643 				else
644 					fcport->port_type = FCT_TARGET;
645 				data[0] = data[1] = 0;
646 				qla2x00_post_async_adisc_work(vha, fcport,
647 				    data);
648 				break;
649 			case DSC_LS_PORT_UNAVAIL:
650 			default:
651 				if (fcport->loop_id == FC_NO_LOOP_ID) {
652 					qla2x00_find_new_loop_id(vha, fcport);
653 					fcport->fw_login_state =
654 					    DSC_LS_PORT_UNAVAIL;
655 				}
656 				ql_dbg(ql_dbg_disc, vha, 0x20e5,
657 				    "%s %d %8phC\n", __func__, __LINE__,
658 				    fcport->port_name);
659 				qla24xx_fcport_handle_login(vha, fcport);
660 				break;
661 			}
662 			break;
663 		case ISP_CFG_N:
664 			fcport->fw_login_state = current_login_state;
665 			fcport->d_id = id;
666 			switch (current_login_state) {
667 			case DSC_LS_PRLI_COMP:
668 				if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
669 					fcport->port_type = FCT_INITIATOR;
670 				else
671 					fcport->port_type = FCT_TARGET;
672 
673 				data[0] = data[1] = 0;
674 				qla2x00_post_async_adisc_work(vha, fcport,
675 				    data);
676 				break;
677 			case DSC_LS_PLOGI_COMP:
678 				if (fcport_is_bigger(fcport)) {
679 					/* local adapter is smaller */
680 					if (fcport->loop_id != FC_NO_LOOP_ID)
681 						qla2x00_clear_loop_id(fcport);
682 
683 					fcport->loop_id = loop_id;
684 					qla24xx_fcport_handle_login(vha,
685 					    fcport);
686 					break;
687 				}
688 				/* fall through */
689 			default:
690 				if (fcport_is_smaller(fcport)) {
691 					/* local adapter is bigger */
692 					if (fcport->loop_id != FC_NO_LOOP_ID)
693 						qla2x00_clear_loop_id(fcport);
694 
695 					fcport->loop_id = loop_id;
696 					qla24xx_fcport_handle_login(vha,
697 					    fcport);
698 				}
699 				break;
700 			}
701 			break;
702 		} /* switch (ha->current_topology) */
703 	}
704 
705 	if (!found) {
706 		switch (vha->hw->current_topology) {
707 		case ISP_CFG_F:
708 		case ISP_CFG_FL:
709 			for (i = 0; i < n; i++) {
710 				e = &vha->gnl.l[i];
711 				id.b.domain = e->port_id[0];
712 				id.b.area = e->port_id[1];
713 				id.b.al_pa = e->port_id[2];
714 				id.b.rsvd_1 = 0;
715 				loop_id = le16_to_cpu(e->nport_handle);
716 
717 				if (fcport->d_id.b24 == id.b24) {
718 					conflict_fcport =
719 					    qla2x00_find_fcport_by_wwpn(vha,
720 						e->port_name, 0);
721 					if (conflict_fcport) {
722 						ql_dbg(ql_dbg_disc + ql_dbg_verbose,
723 						    vha, 0x20e5,
724 						    "%s %d %8phC post del sess\n",
725 						    __func__, __LINE__,
726 						    conflict_fcport->port_name);
727 						qlt_schedule_sess_for_deletion
728 							(conflict_fcport);
729 					}
730 				}
731 				/*
732 				 * FW already picked this loop id for
733 				 * another fcport
734 				 */
735 				if (fcport->loop_id == loop_id)
736 					fcport->loop_id = FC_NO_LOOP_ID;
737 			}
738 			qla24xx_fcport_handle_login(vha, fcport);
739 			break;
740 		case ISP_CFG_N:
741 			fcport->disc_state = DSC_DELETED;
742 			if (time_after_eq(jiffies, fcport->dm_login_expire)) {
743 				if (fcport->n2n_link_reset_cnt < 2) {
744 					fcport->n2n_link_reset_cnt++;
745 					/*
746 					 * remote port is not sending PLOGI.
747 					 * Reset link to kick start his state
748 					 * machine
749 					 */
750 					set_bit(N2N_LINK_RESET,
751 					    &vha->dpc_flags);
752 				} else {
753 					if (fcport->n2n_chip_reset < 1) {
754 						ql_log(ql_log_info, vha, 0x705d,
755 						    "Chip reset to bring laser down");
756 						set_bit(ISP_ABORT_NEEDED,
757 						    &vha->dpc_flags);
758 						fcport->n2n_chip_reset++;
759 					} else {
760 						ql_log(ql_log_info, vha, 0x705d,
761 						    "Remote port %8ph is not coming back\n",
762 						    fcport->port_name);
763 						fcport->scan_state = 0;
764 					}
765 				}
766 				qla2xxx_wake_dpc(vha);
767 			} else {
768 				/*
769 				 * report port suppose to do PLOGI. Give him
770 				 * more time. FW will catch it.
771 				 */
772 				set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
773 			}
774 			break;
775 		default:
776 			break;
777 		}
778 	}
779 } /* gnl_event */
780 
781 static void
782 qla24xx_async_gnl_sp_done(void *s, int res)
783 {
784 	struct srb *sp = s;
785 	struct scsi_qla_host *vha = sp->vha;
786 	unsigned long flags;
787 	struct fc_port *fcport = NULL, *tf;
788 	u16 i, n = 0, loop_id;
789 	struct event_arg ea;
790 	struct get_name_list_extended *e;
791 	u64 wwn;
792 	struct list_head h;
793 	bool found = false;
794 
795 	ql_dbg(ql_dbg_disc, vha, 0x20e7,
796 	    "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
797 	    sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
798 	    sp->u.iocb_cmd.u.mbx.in_mb[2]);
799 
800 	if (res == QLA_FUNCTION_TIMEOUT)
801 		return;
802 
803 	sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE);
804 	memset(&ea, 0, sizeof(ea));
805 	ea.sp = sp;
806 	ea.rc = res;
807 	ea.event = FCME_GNL_DONE;
808 
809 	if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
810 	    sizeof(struct get_name_list_extended)) {
811 		n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
812 		    sizeof(struct get_name_list_extended);
813 		ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
814 	}
815 
816 	for (i = 0; i < n; i++) {
817 		e = &vha->gnl.l[i];
818 		loop_id = le16_to_cpu(e->nport_handle);
819 		/* mask out reserve bit */
820 		loop_id = (loop_id & 0x7fff);
821 		set_bit(loop_id, vha->hw->loop_id_map);
822 		wwn = wwn_to_u64(e->port_name);
823 
824 		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x20e8,
825 		    "%s %8phC %02x:%02x:%02x state %d/%d lid %x \n",
826 		    __func__, (void *)&wwn, e->port_id[2], e->port_id[1],
827 		    e->port_id[0], e->current_login_state, e->last_login_state,
828 		    (loop_id & 0x7fff));
829 	}
830 
831 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
832 
833 	INIT_LIST_HEAD(&h);
834 	fcport = tf = NULL;
835 	if (!list_empty(&vha->gnl.fcports))
836 		list_splice_init(&vha->gnl.fcports, &h);
837 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
838 
839 	list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
840 		list_del_init(&fcport->gnl_entry);
841 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
842 		fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
843 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
844 		ea.fcport = fcport;
845 
846 		qla2x00_fcport_event_handler(vha, &ea);
847 	}
848 
849 	/* create new fcport if fw has knowledge of new sessions */
850 	for (i = 0; i < n; i++) {
851 		port_id_t id;
852 		u64 wwnn;
853 
854 		e = &vha->gnl.l[i];
855 		wwn = wwn_to_u64(e->port_name);
856 
857 		found = false;
858 		list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
859 			if (!memcmp((u8 *)&wwn, fcport->port_name,
860 			    WWN_SIZE)) {
861 				found = true;
862 				break;
863 			}
864 		}
865 
866 		id.b.domain = e->port_id[2];
867 		id.b.area = e->port_id[1];
868 		id.b.al_pa = e->port_id[0];
869 		id.b.rsvd_1 = 0;
870 
871 		if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
872 			ql_dbg(ql_dbg_disc, vha, 0x2065,
873 			    "%s %d %8phC %06x post new sess\n",
874 			    __func__, __LINE__, (u8 *)&wwn, id.b24);
875 			wwnn = wwn_to_u64(e->node_name);
876 			qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
877 			    (u8 *)&wwnn, NULL, FC4_TYPE_UNKNOWN);
878 		}
879 	}
880 
881 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
882 	vha->gnl.sent = 0;
883 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
884 
885 	sp->free(sp);
886 }
887 
888 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
889 {
890 	srb_t *sp;
891 	struct srb_iocb *mbx;
892 	int rval = QLA_FUNCTION_FAILED;
893 	unsigned long flags;
894 	u16 *mb;
895 
896 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
897 		return rval;
898 
899 	ql_dbg(ql_dbg_disc, vha, 0x20d9,
900 	    "Async-gnlist WWPN %8phC \n", fcport->port_name);
901 
902 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
903 	fcport->flags |= FCF_ASYNC_SENT;
904 	fcport->disc_state = DSC_GNL;
905 	fcport->last_rscn_gen = fcport->rscn_gen;
906 	fcport->last_login_gen = fcport->login_gen;
907 
908 	list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
909 	if (vha->gnl.sent) {
910 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
911 		return QLA_SUCCESS;
912 	}
913 	vha->gnl.sent = 1;
914 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
915 
916 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
917 	if (!sp)
918 		goto done;
919 
920 	sp->type = SRB_MB_IOCB;
921 	sp->name = "gnlist";
922 	sp->gen1 = fcport->rscn_gen;
923 	sp->gen2 = fcport->login_gen;
924 
925 	mbx = &sp->u.iocb_cmd;
926 	mbx->timeout = qla2x00_async_iocb_timeout;
927 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
928 
929 	mb = sp->u.iocb_cmd.u.mbx.out_mb;
930 	mb[0] = MBC_PORT_NODE_NAME_LIST;
931 	mb[1] = BIT_2 | BIT_3;
932 	mb[2] = MSW(vha->gnl.ldma);
933 	mb[3] = LSW(vha->gnl.ldma);
934 	mb[6] = MSW(MSD(vha->gnl.ldma));
935 	mb[7] = LSW(MSD(vha->gnl.ldma));
936 	mb[8] = vha->gnl.size;
937 	mb[9] = vha->vp_idx;
938 
939 	sp->done = qla24xx_async_gnl_sp_done;
940 
941 	ql_dbg(ql_dbg_disc, vha, 0x20da,
942 	    "Async-%s - OUT WWPN %8phC hndl %x\n",
943 	    sp->name, fcport->port_name, sp->handle);
944 
945 	rval = qla2x00_start_sp(sp);
946 	if (rval != QLA_SUCCESS)
947 		goto done_free_sp;
948 
949 	return rval;
950 
951 done_free_sp:
952 	sp->free(sp);
953 	fcport->flags &= ~FCF_ASYNC_SENT;
954 done:
955 	return rval;
956 }
957 
958 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
959 {
960 	struct qla_work_evt *e;
961 
962 	e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
963 	if (!e)
964 		return QLA_FUNCTION_FAILED;
965 
966 	e->u.fcport.fcport = fcport;
967 	fcport->flags |= FCF_ASYNC_ACTIVE;
968 	return qla2x00_post_work(vha, e);
969 }
970 
971 static
972 void qla24xx_async_gpdb_sp_done(void *s, int res)
973 {
974 	struct srb *sp = s;
975 	struct scsi_qla_host *vha = sp->vha;
976 	struct qla_hw_data *ha = vha->hw;
977 	fc_port_t *fcport = sp->fcport;
978 	u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
979 	struct event_arg ea;
980 
981 	ql_dbg(ql_dbg_disc, vha, 0x20db,
982 	    "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
983 	    sp->name, res, fcport->port_name, mb[1], mb[2]);
984 
985 	if (res == QLA_FUNCTION_TIMEOUT) {
986 		dma_pool_free(sp->vha->hw->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
987 			sp->u.iocb_cmd.u.mbx.in_dma);
988 		return;
989 	}
990 
991 	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
992 	memset(&ea, 0, sizeof(ea));
993 	ea.event = FCME_GPDB_DONE;
994 	ea.fcport = fcport;
995 	ea.sp = sp;
996 
997 	qla2x00_fcport_event_handler(vha, &ea);
998 
999 	dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
1000 		sp->u.iocb_cmd.u.mbx.in_dma);
1001 
1002 	sp->free(sp);
1003 }
1004 
1005 static int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1006 {
1007 	struct qla_work_evt *e;
1008 
1009 	e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
1010 	if (!e)
1011 		return QLA_FUNCTION_FAILED;
1012 
1013 	e->u.fcport.fcport = fcport;
1014 
1015 	return qla2x00_post_work(vha, e);
1016 }
1017 
1018 static void
1019 qla2x00_async_prli_sp_done(void *ptr, int res)
1020 {
1021 	srb_t *sp = ptr;
1022 	struct scsi_qla_host *vha = sp->vha;
1023 	struct srb_iocb *lio = &sp->u.iocb_cmd;
1024 	struct event_arg ea;
1025 
1026 	ql_dbg(ql_dbg_disc, vha, 0x2129,
1027 	    "%s %8phC res %d \n", __func__,
1028 	    sp->fcport->port_name, res);
1029 
1030 	sp->fcport->flags &= ~FCF_ASYNC_SENT;
1031 
1032 	if (!test_bit(UNLOADING, &vha->dpc_flags)) {
1033 		memset(&ea, 0, sizeof(ea));
1034 		ea.event = FCME_PRLI_DONE;
1035 		ea.fcport = sp->fcport;
1036 		ea.data[0] = lio->u.logio.data[0];
1037 		ea.data[1] = lio->u.logio.data[1];
1038 		ea.iop[0] = lio->u.logio.iop[0];
1039 		ea.iop[1] = lio->u.logio.iop[1];
1040 		ea.sp = sp;
1041 
1042 		qla2x00_fcport_event_handler(vha, &ea);
1043 	}
1044 
1045 	sp->free(sp);
1046 }
1047 
1048 int
1049 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
1050 {
1051 	srb_t *sp;
1052 	struct srb_iocb *lio;
1053 	int rval = QLA_FUNCTION_FAILED;
1054 
1055 	if (!vha->flags.online)
1056 		return rval;
1057 
1058 	if (fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
1059 	    fcport->fw_login_state == DSC_LS_PRLI_PEND)
1060 		return rval;
1061 
1062 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1063 	if (!sp)
1064 		return rval;
1065 
1066 	fcport->flags |= FCF_ASYNC_SENT;
1067 	fcport->logout_completed = 0;
1068 
1069 	sp->type = SRB_PRLI_CMD;
1070 	sp->name = "prli";
1071 
1072 	lio = &sp->u.iocb_cmd;
1073 	lio->timeout = qla2x00_async_iocb_timeout;
1074 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
1075 
1076 	sp->done = qla2x00_async_prli_sp_done;
1077 	lio->u.logio.flags = 0;
1078 
1079 	if  (fcport->fc4f_nvme)
1080 		lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
1081 
1082 	ql_dbg(ql_dbg_disc, vha, 0x211b,
1083 	    "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d %s.\n",
1084 	    fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24,
1085 	    fcport->login_retry, fcport->fc4f_nvme ? "nvme" : "fc");
1086 
1087 	rval = qla2x00_start_sp(sp);
1088 	if (rval != QLA_SUCCESS) {
1089 		fcport->flags |= FCF_LOGIN_NEEDED;
1090 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1091 		goto done_free_sp;
1092 	}
1093 
1094 	return rval;
1095 
1096 done_free_sp:
1097 	sp->free(sp);
1098 	fcport->flags &= ~FCF_ASYNC_SENT;
1099 	return rval;
1100 }
1101 
1102 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1103 {
1104 	struct qla_work_evt *e;
1105 
1106 	e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
1107 	if (!e)
1108 		return QLA_FUNCTION_FAILED;
1109 
1110 	e->u.fcport.fcport = fcport;
1111 	e->u.fcport.opt = opt;
1112 	fcport->flags |= FCF_ASYNC_ACTIVE;
1113 	return qla2x00_post_work(vha, e);
1114 }
1115 
1116 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1117 {
1118 	srb_t *sp;
1119 	struct srb_iocb *mbx;
1120 	int rval = QLA_FUNCTION_FAILED;
1121 	u16 *mb;
1122 	dma_addr_t pd_dma;
1123 	struct port_database_24xx *pd;
1124 	struct qla_hw_data *ha = vha->hw;
1125 
1126 	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
1127 		return rval;
1128 
1129 	fcport->disc_state = DSC_GPDB;
1130 
1131 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1132 	if (!sp)
1133 		goto done;
1134 
1135 	fcport->flags |= FCF_ASYNC_SENT;
1136 	sp->type = SRB_MB_IOCB;
1137 	sp->name = "gpdb";
1138 	sp->gen1 = fcport->rscn_gen;
1139 	sp->gen2 = fcport->login_gen;
1140 
1141 	mbx = &sp->u.iocb_cmd;
1142 	mbx->timeout = qla2x00_async_iocb_timeout;
1143 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
1144 
1145 	pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
1146 	if (pd == NULL) {
1147 		ql_log(ql_log_warn, vha, 0xd043,
1148 		    "Failed to allocate port database structure.\n");
1149 		goto done_free_sp;
1150 	}
1151 
1152 	mb = sp->u.iocb_cmd.u.mbx.out_mb;
1153 	mb[0] = MBC_GET_PORT_DATABASE;
1154 	mb[1] = fcport->loop_id;
1155 	mb[2] = MSW(pd_dma);
1156 	mb[3] = LSW(pd_dma);
1157 	mb[6] = MSW(MSD(pd_dma));
1158 	mb[7] = LSW(MSD(pd_dma));
1159 	mb[9] = vha->vp_idx;
1160 	mb[10] = opt;
1161 
1162 	mbx->u.mbx.in = (void *)pd;
1163 	mbx->u.mbx.in_dma = pd_dma;
1164 
1165 	sp->done = qla24xx_async_gpdb_sp_done;
1166 
1167 	ql_dbg(ql_dbg_disc, vha, 0x20dc,
1168 	    "Async-%s %8phC hndl %x opt %x\n",
1169 	    sp->name, fcport->port_name, sp->handle, opt);
1170 
1171 	rval = qla2x00_start_sp(sp);
1172 	if (rval != QLA_SUCCESS)
1173 		goto done_free_sp;
1174 	return rval;
1175 
1176 done_free_sp:
1177 	if (pd)
1178 		dma_pool_free(ha->s_dma_pool, pd, pd_dma);
1179 
1180 	sp->free(sp);
1181 	fcport->flags &= ~FCF_ASYNC_SENT;
1182 done:
1183 	qla24xx_post_gpdb_work(vha, fcport, opt);
1184 	return rval;
1185 }
1186 
1187 static
1188 void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1189 {
1190 	unsigned long flags;
1191 
1192 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1193 	ea->fcport->login_gen++;
1194 	ea->fcport->deleted = 0;
1195 	ea->fcport->logout_on_delete = 1;
1196 
1197 	if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
1198 		vha->fcport_count++;
1199 		ea->fcport->login_succ = 1;
1200 
1201 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1202 		qla24xx_sched_upd_fcport(ea->fcport);
1203 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1204 	} else if (ea->fcport->login_succ) {
1205 		/*
1206 		 * We have an existing session. A late RSCN delivery
1207 		 * must have triggered the session to be re-validate.
1208 		 * Session is still valid.
1209 		 */
1210 		ql_dbg(ql_dbg_disc, vha, 0x20d6,
1211 		    "%s %d %8phC session revalidate success\n",
1212 		    __func__, __LINE__, ea->fcport->port_name);
1213 		ea->fcport->disc_state = DSC_LOGIN_COMPLETE;
1214 	}
1215 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1216 }
1217 
1218 static
1219 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1220 {
1221 	fc_port_t *fcport = ea->fcport;
1222 	struct port_database_24xx *pd;
1223 	struct srb *sp = ea->sp;
1224 	uint8_t	ls;
1225 
1226 	pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
1227 
1228 	fcport->flags &= ~FCF_ASYNC_SENT;
1229 
1230 	ql_dbg(ql_dbg_disc, vha, 0x20d2,
1231 	    "%s %8phC DS %d LS %d nvme %x rc %d\n", __func__, fcport->port_name,
1232 	    fcport->disc_state, pd->current_login_state, fcport->fc4f_nvme,
1233 	    ea->rc);
1234 
1235 	if (fcport->disc_state == DSC_DELETE_PEND)
1236 		return;
1237 
1238 	if (fcport->fc4f_nvme)
1239 		ls = pd->current_login_state >> 4;
1240 	else
1241 		ls = pd->current_login_state & 0xf;
1242 
1243 	if (ea->sp->gen2 != fcport->login_gen) {
1244 		/* target side must have changed it. */
1245 
1246 		ql_dbg(ql_dbg_disc, vha, 0x20d3,
1247 		    "%s %8phC generation changed\n",
1248 		    __func__, fcport->port_name);
1249 		return;
1250 	} else if (ea->sp->gen1 != fcport->rscn_gen) {
1251 		qla_rscn_replay(fcport);
1252 		qlt_schedule_sess_for_deletion(fcport);
1253 		return;
1254 	}
1255 
1256 	switch (ls) {
1257 	case PDS_PRLI_COMPLETE:
1258 		__qla24xx_parse_gpdb(vha, fcport, pd);
1259 		break;
1260 	case PDS_PLOGI_PENDING:
1261 	case PDS_PLOGI_COMPLETE:
1262 	case PDS_PRLI_PENDING:
1263 	case PDS_PRLI2_PENDING:
1264 		/* Set discovery state back to GNL to Relogin attempt */
1265 		if (qla_dual_mode_enabled(vha) ||
1266 		    qla_ini_mode_enabled(vha)) {
1267 			fcport->disc_state = DSC_GNL;
1268 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1269 		}
1270 		return;
1271 	case PDS_LOGO_PENDING:
1272 	case PDS_PORT_UNAVAILABLE:
1273 	default:
1274 		ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
1275 		    __func__, __LINE__, fcport->port_name);
1276 		qlt_schedule_sess_for_deletion(fcport);
1277 		return;
1278 	}
1279 	__qla24xx_handle_gpdb_event(vha, ea);
1280 } /* gpdb event */
1281 
1282 static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1283 {
1284 	u8 login = 0;
1285 	int rc;
1286 
1287 	if (qla_tgt_mode_enabled(vha))
1288 		return;
1289 
1290 	if (qla_dual_mode_enabled(vha)) {
1291 		if (N2N_TOPO(vha->hw)) {
1292 			u64 mywwn, wwn;
1293 
1294 			mywwn = wwn_to_u64(vha->port_name);
1295 			wwn = wwn_to_u64(fcport->port_name);
1296 			if (mywwn > wwn)
1297 				login = 1;
1298 			else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1299 			    && time_after_eq(jiffies,
1300 				    fcport->plogi_nack_done_deadline))
1301 				login = 1;
1302 		} else {
1303 			login = 1;
1304 		}
1305 	} else {
1306 		/* initiator mode */
1307 		login = 1;
1308 	}
1309 
1310 	if (login && fcport->login_retry) {
1311 		fcport->login_retry--;
1312 		if (fcport->loop_id == FC_NO_LOOP_ID) {
1313 			fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
1314 			rc = qla2x00_find_new_loop_id(vha, fcport);
1315 			if (rc) {
1316 				ql_dbg(ql_dbg_disc, vha, 0x20e6,
1317 				    "%s %d %8phC post del sess - out of loopid\n",
1318 				    __func__, __LINE__, fcport->port_name);
1319 				fcport->scan_state = 0;
1320 				qlt_schedule_sess_for_deletion(fcport);
1321 				return;
1322 			}
1323 		}
1324 		ql_dbg(ql_dbg_disc, vha, 0x20bf,
1325 		    "%s %d %8phC post login\n",
1326 		    __func__, __LINE__, fcport->port_name);
1327 		qla2x00_post_async_login_work(vha, fcport, NULL);
1328 	}
1329 }
1330 
1331 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1332 {
1333 	u16 data[2];
1334 	u64 wwn;
1335 	u16 sec;
1336 
1337 	ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x20d8,
1338 	    "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d lid %d scan %d\n",
1339 	    __func__, fcport->port_name, fcport->disc_state,
1340 	    fcport->fw_login_state, fcport->login_pause, fcport->flags,
1341 	    fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
1342 	    fcport->login_gen, fcport->loop_id, fcport->scan_state);
1343 
1344 	if (fcport->scan_state != QLA_FCPORT_FOUND)
1345 		return 0;
1346 
1347 	if ((fcport->loop_id != FC_NO_LOOP_ID) &&
1348 	    ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1349 	     (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
1350 		return 0;
1351 
1352 	if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1353 		if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1354 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1355 			return 0;
1356 		}
1357 	}
1358 
1359 	/* for pure Target Mode. Login will not be initiated */
1360 	if (vha->host->active_mode == MODE_TARGET)
1361 		return 0;
1362 
1363 	if (fcport->flags & FCF_ASYNC_SENT) {
1364 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1365 		return 0;
1366 	}
1367 
1368 	switch (fcport->disc_state) {
1369 	case DSC_DELETED:
1370 		wwn = wwn_to_u64(fcport->node_name);
1371 		switch (vha->hw->current_topology) {
1372 		case ISP_CFG_N:
1373 			if (fcport_is_smaller(fcport)) {
1374 				/* this adapter is bigger */
1375 				if (fcport->login_retry) {
1376 					if (fcport->loop_id == FC_NO_LOOP_ID) {
1377 						qla2x00_find_new_loop_id(vha,
1378 						    fcport);
1379 						fcport->fw_login_state =
1380 						    DSC_LS_PORT_UNAVAIL;
1381 					}
1382 					fcport->login_retry--;
1383 					qla_post_els_plogi_work(vha, fcport);
1384 				} else {
1385 					ql_log(ql_log_info, vha, 0x705d,
1386 					    "Unable to reach remote port %8phC",
1387 					    fcport->port_name);
1388 				}
1389 			} else {
1390 				qla24xx_post_gnl_work(vha, fcport);
1391 			}
1392 			break;
1393 		default:
1394 			if (wwn == 0)    {
1395 				ql_dbg(ql_dbg_disc, vha, 0xffff,
1396 				    "%s %d %8phC post GNNID\n",
1397 				    __func__, __LINE__, fcport->port_name);
1398 				qla24xx_post_gnnid_work(vha, fcport);
1399 			} else if (fcport->loop_id == FC_NO_LOOP_ID) {
1400 				ql_dbg(ql_dbg_disc, vha, 0x20bd,
1401 				    "%s %d %8phC post gnl\n",
1402 				    __func__, __LINE__, fcport->port_name);
1403 				qla24xx_post_gnl_work(vha, fcport);
1404 			} else {
1405 				qla_chk_n2n_b4_login(vha, fcport);
1406 			}
1407 			break;
1408 		}
1409 		break;
1410 
1411 	case DSC_GNL:
1412 		switch (vha->hw->current_topology) {
1413 		case ISP_CFG_N:
1414 			if ((fcport->current_login_state & 0xf) == 0x6) {
1415 				ql_dbg(ql_dbg_disc, vha, 0x2118,
1416 				    "%s %d %8phC post GPDB work\n",
1417 				    __func__, __LINE__, fcport->port_name);
1418 				fcport->chip_reset =
1419 					vha->hw->base_qpair->chip_reset;
1420 				qla24xx_post_gpdb_work(vha, fcport, 0);
1421 			}  else {
1422 				ql_dbg(ql_dbg_disc, vha, 0x2118,
1423 				    "%s %d %8phC post NVMe PRLI\n",
1424 				    __func__, __LINE__, fcport->port_name);
1425 				qla24xx_post_prli_work(vha, fcport);
1426 			}
1427 			break;
1428 		default:
1429 			if (fcport->login_pause) {
1430 				fcport->last_rscn_gen = fcport->rscn_gen;
1431 				fcport->last_login_gen = fcport->login_gen;
1432 				set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1433 				break;
1434 			}
1435 			qla_chk_n2n_b4_login(vha, fcport);
1436 			break;
1437 		}
1438 		break;
1439 
1440 	case DSC_LOGIN_FAILED:
1441 		if (N2N_TOPO(vha->hw))
1442 			qla_chk_n2n_b4_login(vha, fcport);
1443 		else
1444 			qlt_schedule_sess_for_deletion(fcport);
1445 		break;
1446 
1447 	case DSC_LOGIN_COMPLETE:
1448 		/* recheck login state */
1449 		data[0] = data[1] = 0;
1450 		qla2x00_post_async_adisc_work(vha, fcport, data);
1451 		break;
1452 
1453 	case DSC_LOGIN_PEND:
1454 		if (fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1455 			qla24xx_post_prli_work(vha, fcport);
1456 		break;
1457 
1458 	case DSC_UPD_FCPORT:
1459 		sec =  jiffies_to_msecs(jiffies -
1460 		    fcport->jiffies_at_registration)/1000;
1461 		if (fcport->sec_since_registration < sec && sec &&
1462 		    !(sec % 60)) {
1463 			fcport->sec_since_registration = sec;
1464 			ql_dbg(ql_dbg_disc, fcport->vha, 0xffff,
1465 			    "%s %8phC - Slow Rport registration(%d Sec)\n",
1466 			    __func__, fcport->port_name, sec);
1467 		}
1468 
1469 		if (fcport->next_disc_state != DSC_DELETE_PEND)
1470 			fcport->next_disc_state = DSC_ADISC;
1471 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1472 		break;
1473 
1474 	default:
1475 		break;
1476 	}
1477 
1478 	return 0;
1479 }
1480 
1481 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1482     u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
1483 {
1484 	struct qla_work_evt *e;
1485 	e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1486 	if (!e)
1487 		return QLA_FUNCTION_FAILED;
1488 
1489 	e->u.new_sess.id = *id;
1490 	e->u.new_sess.pla = pla;
1491 	e->u.new_sess.fc4_type = fc4_type;
1492 	memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1493 	if (node_name)
1494 		memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
1495 
1496 	return qla2x00_post_work(vha, e);
1497 }
1498 
1499 static
1500 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1501 	struct event_arg *ea)
1502 {
1503 	fc_port_t *fcport = ea->fcport;
1504 
1505 	ql_dbg(ql_dbg_disc, vha, 0x2102,
1506 	    "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1507 	    __func__, fcport->port_name, fcport->disc_state,
1508 	    fcport->fw_login_state, fcport->login_pause,
1509 	    fcport->deleted, fcport->conflict,
1510 	    fcport->last_rscn_gen, fcport->rscn_gen,
1511 	    fcport->last_login_gen, fcport->login_gen,
1512 	    fcport->flags);
1513 
1514 	if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1515 	    (fcport->fw_login_state == DSC_LS_PRLI_PEND))
1516 		return;
1517 
1518 	if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1519 		if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1520 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1521 			return;
1522 		}
1523 	}
1524 
1525 	if (fcport->last_rscn_gen != fcport->rscn_gen) {
1526 		ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gidpn\n",
1527 		    __func__, __LINE__, fcport->port_name);
1528 
1529 		return;
1530 	}
1531 
1532 	qla24xx_fcport_handle_login(vha, fcport);
1533 }
1534 
1535 
1536 static void qla_handle_els_plogi_done(scsi_qla_host_t *vha,
1537 				      struct event_arg *ea)
1538 {
1539 	ql_dbg(ql_dbg_disc, vha, 0x2118,
1540 	    "%s %d %8phC post PRLI\n",
1541 	    __func__, __LINE__, ea->fcport->port_name);
1542 	qla24xx_post_prli_work(vha, ea->fcport);
1543 }
1544 
1545 void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea)
1546 {
1547 	fc_port_t *fcport;
1548 
1549 	switch (ea->event) {
1550 	case FCME_RELOGIN:
1551 		if (test_bit(UNLOADING, &vha->dpc_flags))
1552 			return;
1553 
1554 		qla24xx_handle_relogin_event(vha, ea);
1555 		break;
1556 	case FCME_RSCN:
1557 		if (test_bit(UNLOADING, &vha->dpc_flags))
1558 			return;
1559 		{
1560 			unsigned long flags;
1561 			fcport = qla2x00_find_fcport_by_nportid
1562 				(vha, &ea->id, 1);
1563 			if (fcport) {
1564 				fcport->scan_needed = 1;
1565 				fcport->rscn_gen++;
1566 			}
1567 
1568 			spin_lock_irqsave(&vha->work_lock, flags);
1569 			if (vha->scan.scan_flags == 0) {
1570 				ql_dbg(ql_dbg_disc, vha, 0xffff,
1571 				    "%s: schedule\n", __func__);
1572 				vha->scan.scan_flags |= SF_QUEUED;
1573 				schedule_delayed_work(&vha->scan.scan_work, 5);
1574 			}
1575 			spin_unlock_irqrestore(&vha->work_lock, flags);
1576 		}
1577 		break;
1578 	case FCME_GNL_DONE:
1579 		qla24xx_handle_gnl_done_event(vha, ea);
1580 		break;
1581 	case FCME_GPSC_DONE:
1582 		qla24xx_handle_gpsc_event(vha, ea);
1583 		break;
1584 	case FCME_PLOGI_DONE:	/* Initiator side sent LLIOCB */
1585 		qla24xx_handle_plogi_done_event(vha, ea);
1586 		break;
1587 	case FCME_PRLI_DONE:
1588 		qla24xx_handle_prli_done_event(vha, ea);
1589 		break;
1590 	case FCME_GPDB_DONE:
1591 		qla24xx_handle_gpdb_event(vha, ea);
1592 		break;
1593 	case FCME_GPNID_DONE:
1594 		qla24xx_handle_gpnid_event(vha, ea);
1595 		break;
1596 	case FCME_GFFID_DONE:
1597 		qla24xx_handle_gffid_event(vha, ea);
1598 		break;
1599 	case FCME_ADISC_DONE:
1600 		qla24xx_handle_adisc_event(vha, ea);
1601 		break;
1602 	case FCME_GNNID_DONE:
1603 		qla24xx_handle_gnnid_event(vha, ea);
1604 		break;
1605 	case FCME_GFPNID_DONE:
1606 		qla24xx_handle_gfpnid_event(vha, ea);
1607 		break;
1608 	case FCME_ELS_PLOGI_DONE:
1609 		qla_handle_els_plogi_done(vha, ea);
1610 		break;
1611 	default:
1612 		BUG_ON(1);
1613 		break;
1614 	}
1615 }
1616 
1617 /*
1618  * RSCN(s) came in for this fcport, but the RSCN(s) was not able
1619  * to be consumed by the fcport
1620  */
1621 void qla_rscn_replay(fc_port_t *fcport)
1622 {
1623        struct event_arg ea;
1624 
1625        switch (fcport->disc_state) {
1626        case DSC_DELETE_PEND:
1627                return;
1628        default:
1629                break;
1630        }
1631 
1632        if (fcport->scan_needed) {
1633                memset(&ea, 0, sizeof(ea));
1634                ea.event = FCME_RSCN;
1635                ea.id = fcport->d_id;
1636                ea.id.b.rsvd_1 = RSCN_PORT_ADDR;
1637                qla2x00_fcport_event_handler(fcport->vha, &ea);
1638 	}
1639 }
1640 
1641 static void
1642 qla2x00_tmf_iocb_timeout(void *data)
1643 {
1644 	srb_t *sp = data;
1645 	struct srb_iocb *tmf = &sp->u.iocb_cmd;
1646 
1647 	tmf->u.tmf.comp_status = CS_TIMEOUT;
1648 	complete(&tmf->u.tmf.comp);
1649 }
1650 
1651 static void
1652 qla2x00_tmf_sp_done(void *ptr, int res)
1653 {
1654 	srb_t *sp = ptr;
1655 	struct srb_iocb *tmf = &sp->u.iocb_cmd;
1656 
1657 	complete(&tmf->u.tmf.comp);
1658 }
1659 
1660 int
1661 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1662 	uint32_t tag)
1663 {
1664 	struct scsi_qla_host *vha = fcport->vha;
1665 	struct srb_iocb *tm_iocb;
1666 	srb_t *sp;
1667 	int rval = QLA_FUNCTION_FAILED;
1668 
1669 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1670 	if (!sp)
1671 		goto done;
1672 
1673 	tm_iocb = &sp->u.iocb_cmd;
1674 	sp->type = SRB_TM_CMD;
1675 	sp->name = "tmf";
1676 
1677 	tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
1678 	init_completion(&tm_iocb->u.tmf.comp);
1679 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1680 
1681 	tm_iocb->u.tmf.flags = flags;
1682 	tm_iocb->u.tmf.lun = lun;
1683 	tm_iocb->u.tmf.data = tag;
1684 	sp->done = qla2x00_tmf_sp_done;
1685 
1686 	ql_dbg(ql_dbg_taskm, vha, 0x802f,
1687 	    "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
1688 	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
1689 	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
1690 
1691 	rval = qla2x00_start_sp(sp);
1692 	if (rval != QLA_SUCCESS)
1693 		goto done_free_sp;
1694 	wait_for_completion(&tm_iocb->u.tmf.comp);
1695 
1696 	rval = tm_iocb->u.tmf.data;
1697 
1698 	if (rval != QLA_SUCCESS) {
1699 		ql_log(ql_log_warn, vha, 0x8030,
1700 		    "TM IOCB failed (%x).\n", rval);
1701 	}
1702 
1703 	if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
1704 		flags = tm_iocb->u.tmf.flags;
1705 		lun = (uint16_t)tm_iocb->u.tmf.lun;
1706 
1707 		/* Issue Marker IOCB */
1708 		qla2x00_marker(vha, vha->hw->base_qpair,
1709 		    fcport->loop_id, lun,
1710 		    flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
1711 	}
1712 
1713 done_free_sp:
1714 	sp->free(sp);
1715 	fcport->flags &= ~FCF_ASYNC_SENT;
1716 done:
1717 	return rval;
1718 }
1719 
1720 static void
1721 qla24xx_abort_iocb_timeout(void *data)
1722 {
1723 	srb_t *sp = data;
1724 	struct srb_iocb *abt = &sp->u.iocb_cmd;
1725 
1726 	abt->u.abt.comp_status = CS_TIMEOUT;
1727 	sp->done(sp, QLA_FUNCTION_TIMEOUT);
1728 }
1729 
1730 static void
1731 qla24xx_abort_sp_done(void *ptr, int res)
1732 {
1733 	srb_t *sp = ptr;
1734 	struct srb_iocb *abt = &sp->u.iocb_cmd;
1735 
1736 	if (del_timer(&sp->u.iocb_cmd.timer)) {
1737 		if (sp->flags & SRB_WAKEUP_ON_COMP)
1738 			complete(&abt->u.abt.comp);
1739 		else
1740 			sp->free(sp);
1741 	}
1742 }
1743 
1744 int
1745 qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
1746 {
1747 	scsi_qla_host_t *vha = cmd_sp->vha;
1748 	struct srb_iocb *abt_iocb;
1749 	srb_t *sp;
1750 	int rval = QLA_FUNCTION_FAILED;
1751 
1752 	sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport,
1753 	    GFP_ATOMIC);
1754 	if (!sp)
1755 		goto done;
1756 
1757 	abt_iocb = &sp->u.iocb_cmd;
1758 	sp->type = SRB_ABT_CMD;
1759 	sp->name = "abort";
1760 	sp->qpair = cmd_sp->qpair;
1761 	if (wait)
1762 		sp->flags = SRB_WAKEUP_ON_COMP;
1763 
1764 	abt_iocb->timeout = qla24xx_abort_iocb_timeout;
1765 	init_completion(&abt_iocb->u.abt.comp);
1766 	/* FW can send 2 x ABTS's timeout/20s */
1767 	qla2x00_init_timer(sp, 42);
1768 
1769 	abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
1770 	abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id);
1771 
1772 	sp->done = qla24xx_abort_sp_done;
1773 
1774 	ql_dbg(ql_dbg_async, vha, 0x507c,
1775 	    "Abort command issued - hdl=%x, type=%x\n",
1776 	    cmd_sp->handle, cmd_sp->type);
1777 
1778 	rval = qla2x00_start_sp(sp);
1779 	if (rval != QLA_SUCCESS)
1780 		goto done_free_sp;
1781 
1782 	if (wait) {
1783 		wait_for_completion(&abt_iocb->u.abt.comp);
1784 		rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
1785 			QLA_SUCCESS : QLA_FUNCTION_FAILED;
1786 	} else {
1787 		goto done;
1788 	}
1789 
1790 done_free_sp:
1791 	sp->free(sp);
1792 done:
1793 	return rval;
1794 }
1795 
1796 int
1797 qla24xx_async_abort_command(srb_t *sp)
1798 {
1799 	unsigned long   flags = 0;
1800 
1801 	uint32_t	handle;
1802 	fc_port_t	*fcport = sp->fcport;
1803 	struct qla_qpair *qpair = sp->qpair;
1804 	struct scsi_qla_host *vha = fcport->vha;
1805 	struct req_que *req = qpair->req;
1806 
1807 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1808 	for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
1809 		if (req->outstanding_cmds[handle] == sp)
1810 			break;
1811 	}
1812 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1813 
1814 	if (handle == req->num_outstanding_cmds) {
1815 		/* Command not found. */
1816 		return QLA_FUNCTION_FAILED;
1817 	}
1818 	if (sp->type == SRB_FXIOCB_DCMD)
1819 		return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1820 		    FXDISC_ABORT_IOCTL);
1821 
1822 	return qla24xx_async_abort_cmd(sp, true);
1823 }
1824 
1825 static void
1826 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1827 {
1828 	switch (ea->data[0]) {
1829 	case MBS_COMMAND_COMPLETE:
1830 		ql_dbg(ql_dbg_disc, vha, 0x2118,
1831 		    "%s %d %8phC post gpdb\n",
1832 		    __func__, __LINE__, ea->fcport->port_name);
1833 
1834 		ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1835 		ea->fcport->logout_on_delete = 1;
1836 		ea->fcport->nvme_prli_service_param = ea->iop[0];
1837 		if (ea->iop[0] & NVME_PRLI_SP_FIRST_BURST)
1838 			ea->fcport->nvme_first_burst_size =
1839 			    (ea->iop[1] & 0xffff) * 512;
1840 		else
1841 			ea->fcport->nvme_first_burst_size = 0;
1842 		qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1843 		break;
1844 	default:
1845 		if ((ea->iop[0] == LSC_SCODE_ELS_REJECT) &&
1846 		    (ea->iop[1] == 0x50000)) {   /* reson 5=busy expl:0x0 */
1847 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1848 			ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
1849 			break;
1850 		}
1851 
1852 		if (ea->fcport->n2n_flag) {
1853 			ql_dbg(ql_dbg_disc, vha, 0x2118,
1854 				"%s %d %8phC post fc4 prli\n",
1855 				__func__, __LINE__, ea->fcport->port_name);
1856 			ea->fcport->fc4f_nvme = 0;
1857 			ea->fcport->n2n_flag = 0;
1858 			qla24xx_post_prli_work(vha, ea->fcport);
1859 		}
1860 		ql_dbg(ql_dbg_disc, vha, 0x2119,
1861 		    "%s %d %8phC unhandle event of %x\n",
1862 		    __func__, __LINE__, ea->fcport->port_name, ea->data[0]);
1863 		break;
1864 	}
1865 }
1866 
1867 static void
1868 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1869 {
1870 	port_id_t cid;	/* conflict Nport id */
1871 	u16 lid;
1872 	struct fc_port *conflict_fcport;
1873 	unsigned long flags;
1874 	struct fc_port *fcport = ea->fcport;
1875 
1876 	ql_dbg(ql_dbg_disc, vha, 0xffff,
1877 	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
1878 	    __func__, fcport->port_name, fcport->disc_state,
1879 	    fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
1880 	    ea->sp->gen1, fcport->rscn_gen,
1881 	    ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
1882 
1883 	if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1884 	    (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
1885 		ql_dbg(ql_dbg_disc, vha, 0x20ea,
1886 		    "%s %d %8phC Remote is trying to login\n",
1887 		    __func__, __LINE__, fcport->port_name);
1888 		return;
1889 	}
1890 
1891 	if (fcport->disc_state == DSC_DELETE_PEND)
1892 		return;
1893 
1894 	if (ea->sp->gen2 != fcport->login_gen) {
1895 		/* target side must have changed it. */
1896 		ql_dbg(ql_dbg_disc, vha, 0x20d3,
1897 		    "%s %8phC generation changed\n",
1898 		    __func__, fcport->port_name);
1899 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1900 		return;
1901 	} else if (ea->sp->gen1 != fcport->rscn_gen) {
1902 		ql_dbg(ql_dbg_disc, vha, 0x20d3,
1903 		    "%s %8phC RSCN generation changed\n",
1904 		    __func__, fcport->port_name);
1905 		qla_rscn_replay(fcport);
1906 		qlt_schedule_sess_for_deletion(fcport);
1907 		return;
1908 	}
1909 
1910 	switch (ea->data[0]) {
1911 	case MBS_COMMAND_COMPLETE:
1912 		/*
1913 		 * Driver must validate login state - If PRLI not complete,
1914 		 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
1915 		 * requests.
1916 		 */
1917 		if (ea->fcport->fc4f_nvme) {
1918 			ql_dbg(ql_dbg_disc, vha, 0x2117,
1919 				"%s %d %8phC post prli\n",
1920 				__func__, __LINE__, ea->fcport->port_name);
1921 			qla24xx_post_prli_work(vha, ea->fcport);
1922 		} else {
1923 			ql_dbg(ql_dbg_disc, vha, 0x20ea,
1924 			    "%s %d %8phC LoopID 0x%x in use with %06x. post gnl\n",
1925 			    __func__, __LINE__, ea->fcport->port_name,
1926 			    ea->fcport->loop_id, ea->fcport->d_id.b24);
1927 
1928 			set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
1929 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1930 			ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1931 			ea->fcport->logout_on_delete = 1;
1932 			ea->fcport->send_els_logo = 0;
1933 			ea->fcport->fw_login_state = DSC_LS_PRLI_COMP;
1934 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1935 
1936 			qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1937 		}
1938 		break;
1939 	case MBS_COMMAND_ERROR:
1940 		ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
1941 		    __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
1942 
1943 		ea->fcport->flags &= ~FCF_ASYNC_SENT;
1944 		ea->fcport->disc_state = DSC_LOGIN_FAILED;
1945 		if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED)
1946 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1947 		else
1948 			qla2x00_mark_device_lost(vha, ea->fcport, 1, 0);
1949 		break;
1950 	case MBS_LOOP_ID_USED:
1951 		/* data[1] = IO PARAM 1 = nport ID  */
1952 		cid.b.domain = (ea->iop[1] >> 16) & 0xff;
1953 		cid.b.area   = (ea->iop[1] >>  8) & 0xff;
1954 		cid.b.al_pa  = ea->iop[1] & 0xff;
1955 		cid.b.rsvd_1 = 0;
1956 
1957 		ql_dbg(ql_dbg_disc, vha, 0x20ec,
1958 		    "%s %d %8phC lid %#x in use with pid %06x post gnl\n",
1959 		    __func__, __LINE__, ea->fcport->port_name,
1960 		    ea->fcport->loop_id, cid.b24);
1961 
1962 		set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
1963 		ea->fcport->loop_id = FC_NO_LOOP_ID;
1964 		qla24xx_post_gnl_work(vha, ea->fcport);
1965 		break;
1966 	case MBS_PORT_ID_USED:
1967 		lid = ea->iop[1] & 0xffff;
1968 		qlt_find_sess_invalidate_other(vha,
1969 		    wwn_to_u64(ea->fcport->port_name),
1970 		    ea->fcport->d_id, lid, &conflict_fcport);
1971 
1972 		if (conflict_fcport) {
1973 			/*
1974 			 * Another fcport share the same loop_id/nport id.
1975 			 * Conflict fcport needs to finish cleanup before this
1976 			 * fcport can proceed to login.
1977 			 */
1978 			conflict_fcport->conflict = ea->fcport;
1979 			ea->fcport->login_pause = 1;
1980 
1981 			ql_dbg(ql_dbg_disc, vha, 0x20ed,
1982 			    "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
1983 			    __func__, __LINE__, ea->fcport->port_name,
1984 			    ea->fcport->d_id.b24, lid);
1985 		} else {
1986 			ql_dbg(ql_dbg_disc, vha, 0x20ed,
1987 			    "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
1988 			    __func__, __LINE__, ea->fcport->port_name,
1989 			    ea->fcport->d_id.b24, lid);
1990 
1991 			qla2x00_clear_loop_id(ea->fcport);
1992 			set_bit(lid, vha->hw->loop_id_map);
1993 			ea->fcport->loop_id = lid;
1994 			ea->fcport->keep_nport_handle = 0;
1995 			qlt_schedule_sess_for_deletion(ea->fcport);
1996 		}
1997 		break;
1998 	}
1999 	return;
2000 }
2001 
2002 void
2003 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
2004     uint16_t *data)
2005 {
2006 	qlt_logo_completion_handler(fcport, data[0]);
2007 	fcport->login_gen++;
2008 	fcport->flags &= ~FCF_ASYNC_ACTIVE;
2009 	return;
2010 }
2011 
2012 /****************************************************************************/
2013 /*                QLogic ISP2x00 Hardware Support Functions.                */
2014 /****************************************************************************/
2015 
2016 static int
2017 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
2018 {
2019 	int rval = QLA_SUCCESS;
2020 	struct qla_hw_data *ha = vha->hw;
2021 	uint32_t idc_major_ver, idc_minor_ver;
2022 	uint16_t config[4];
2023 
2024 	qla83xx_idc_lock(vha, 0);
2025 
2026 	/* SV: TODO: Assign initialization timeout from
2027 	 * flash-info / other param
2028 	 */
2029 	ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
2030 	ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
2031 
2032 	/* Set our fcoe function presence */
2033 	if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
2034 		ql_dbg(ql_dbg_p3p, vha, 0xb077,
2035 		    "Error while setting DRV-Presence.\n");
2036 		rval = QLA_FUNCTION_FAILED;
2037 		goto exit;
2038 	}
2039 
2040 	/* Decide the reset ownership */
2041 	qla83xx_reset_ownership(vha);
2042 
2043 	/*
2044 	 * On first protocol driver load:
2045 	 * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
2046 	 * register.
2047 	 * Others: Check compatibility with current IDC Major version.
2048 	 */
2049 	qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
2050 	if (ha->flags.nic_core_reset_owner) {
2051 		/* Set IDC Major version */
2052 		idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
2053 		qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
2054 
2055 		/* Clearing IDC-Lock-Recovery register */
2056 		qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
2057 	} else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
2058 		/*
2059 		 * Clear further IDC participation if we are not compatible with
2060 		 * the current IDC Major Version.
2061 		 */
2062 		ql_log(ql_log_warn, vha, 0xb07d,
2063 		    "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
2064 		    idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
2065 		__qla83xx_clear_drv_presence(vha);
2066 		rval = QLA_FUNCTION_FAILED;
2067 		goto exit;
2068 	}
2069 	/* Each function sets its supported Minor version. */
2070 	qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
2071 	idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
2072 	qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
2073 
2074 	if (ha->flags.nic_core_reset_owner) {
2075 		memset(config, 0, sizeof(config));
2076 		if (!qla81xx_get_port_config(vha, config))
2077 			qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
2078 			    QLA8XXX_DEV_READY);
2079 	}
2080 
2081 	rval = qla83xx_idc_state_handler(vha);
2082 
2083 exit:
2084 	qla83xx_idc_unlock(vha, 0);
2085 
2086 	return rval;
2087 }
2088 
2089 /*
2090 * qla2x00_initialize_adapter
2091 *      Initialize board.
2092 *
2093 * Input:
2094 *      ha = adapter block pointer.
2095 *
2096 * Returns:
2097 *      0 = success
2098 */
2099 int
2100 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
2101 {
2102 	int	rval;
2103 	struct qla_hw_data *ha = vha->hw;
2104 	struct req_que *req = ha->req_q_map[0];
2105 
2106 	memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2107 	memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2108 
2109 	/* Clear adapter flags. */
2110 	vha->flags.online = 0;
2111 	ha->flags.chip_reset_done = 0;
2112 	vha->flags.reset_active = 0;
2113 	ha->flags.pci_channel_io_perm_failure = 0;
2114 	ha->flags.eeh_busy = 0;
2115 	vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2116 	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2117 	atomic_set(&vha->loop_state, LOOP_DOWN);
2118 	vha->device_flags = DFLG_NO_CABLE;
2119 	vha->dpc_flags = 0;
2120 	vha->flags.management_server_logged_in = 0;
2121 	vha->marker_needed = 0;
2122 	ha->isp_abort_cnt = 0;
2123 	ha->beacon_blink_led = 0;
2124 
2125 	set_bit(0, ha->req_qid_map);
2126 	set_bit(0, ha->rsp_qid_map);
2127 
2128 	ql_dbg(ql_dbg_init, vha, 0x0040,
2129 	    "Configuring PCI space...\n");
2130 	rval = ha->isp_ops->pci_config(vha);
2131 	if (rval) {
2132 		ql_log(ql_log_warn, vha, 0x0044,
2133 		    "Unable to configure PCI space.\n");
2134 		return (rval);
2135 	}
2136 
2137 	ha->isp_ops->reset_chip(vha);
2138 
2139 	rval = qla2xxx_get_flash_info(vha);
2140 	if (rval) {
2141 		ql_log(ql_log_fatal, vha, 0x004f,
2142 		    "Unable to validate FLASH data.\n");
2143 		return rval;
2144 	}
2145 
2146 	if (IS_QLA8044(ha)) {
2147 		qla8044_read_reset_template(vha);
2148 
2149 		/* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
2150 		 * If DONRESET_BIT0 is set, drivers should not set dev_state
2151 		 * to NEED_RESET. But if NEED_RESET is set, drivers should
2152 		 * should honor the reset. */
2153 		if (ql2xdontresethba == 1)
2154 			qla8044_set_idc_dontreset(vha);
2155 	}
2156 
2157 	ha->isp_ops->get_flash_version(vha, req->ring);
2158 	ql_dbg(ql_dbg_init, vha, 0x0061,
2159 	    "Configure NVRAM parameters...\n");
2160 
2161 	ha->isp_ops->nvram_config(vha);
2162 
2163 	if (ha->flags.disable_serdes) {
2164 		/* Mask HBA via NVRAM settings? */
2165 		ql_log(ql_log_info, vha, 0x0077,
2166 		    "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
2167 		return QLA_FUNCTION_FAILED;
2168 	}
2169 
2170 	ql_dbg(ql_dbg_init, vha, 0x0078,
2171 	    "Verifying loaded RISC code...\n");
2172 
2173 	if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
2174 		rval = ha->isp_ops->chip_diag(vha);
2175 		if (rval)
2176 			return (rval);
2177 		rval = qla2x00_setup_chip(vha);
2178 		if (rval)
2179 			return (rval);
2180 	}
2181 
2182 	if (IS_QLA84XX(ha)) {
2183 		ha->cs84xx = qla84xx_get_chip(vha);
2184 		if (!ha->cs84xx) {
2185 			ql_log(ql_log_warn, vha, 0x00d0,
2186 			    "Unable to configure ISP84XX.\n");
2187 			return QLA_FUNCTION_FAILED;
2188 		}
2189 	}
2190 
2191 	if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2192 		rval = qla2x00_init_rings(vha);
2193 
2194 	ha->flags.chip_reset_done = 1;
2195 
2196 	if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2197 		/* Issue verify 84xx FW IOCB to complete 84xx initialization */
2198 		rval = qla84xx_init_chip(vha);
2199 		if (rval != QLA_SUCCESS) {
2200 			ql_log(ql_log_warn, vha, 0x00d4,
2201 			    "Unable to initialize ISP84XX.\n");
2202 			qla84xx_put_chip(vha);
2203 		}
2204 	}
2205 
2206 	/* Load the NIC Core f/w if we are the first protocol driver. */
2207 	if (IS_QLA8031(ha)) {
2208 		rval = qla83xx_nic_core_fw_load(vha);
2209 		if (rval)
2210 			ql_log(ql_log_warn, vha, 0x0124,
2211 			    "Error in initializing NIC Core f/w.\n");
2212 	}
2213 
2214 	if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
2215 		qla24xx_read_fcp_prio_cfg(vha);
2216 
2217 	if (IS_P3P_TYPE(ha))
2218 		qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
2219 	else
2220 		qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
2221 
2222 	return (rval);
2223 }
2224 
2225 /**
2226  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2227  * @vha: HA context
2228  *
2229  * Returns 0 on success.
2230  */
2231 int
2232 qla2100_pci_config(scsi_qla_host_t *vha)
2233 {
2234 	uint16_t w;
2235 	unsigned long flags;
2236 	struct qla_hw_data *ha = vha->hw;
2237 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2238 
2239 	pci_set_master(ha->pdev);
2240 	pci_try_set_mwi(ha->pdev);
2241 
2242 	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2243 	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2244 	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2245 
2246 	pci_disable_rom(ha->pdev);
2247 
2248 	/* Get PCI bus information. */
2249 	spin_lock_irqsave(&ha->hardware_lock, flags);
2250 	ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
2251 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2252 
2253 	return QLA_SUCCESS;
2254 }
2255 
2256 /**
2257  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2258  * @vha: HA context
2259  *
2260  * Returns 0 on success.
2261  */
2262 int
2263 qla2300_pci_config(scsi_qla_host_t *vha)
2264 {
2265 	uint16_t	w;
2266 	unsigned long   flags = 0;
2267 	uint32_t	cnt;
2268 	struct qla_hw_data *ha = vha->hw;
2269 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2270 
2271 	pci_set_master(ha->pdev);
2272 	pci_try_set_mwi(ha->pdev);
2273 
2274 	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2275 	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2276 
2277 	if (IS_QLA2322(ha) || IS_QLA6322(ha))
2278 		w &= ~PCI_COMMAND_INTX_DISABLE;
2279 	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2280 
2281 	/*
2282 	 * If this is a 2300 card and not 2312, reset the
2283 	 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
2284 	 * the 2310 also reports itself as a 2300 so we need to get the
2285 	 * fb revision level -- a 6 indicates it really is a 2300 and
2286 	 * not a 2310.
2287 	 */
2288 	if (IS_QLA2300(ha)) {
2289 		spin_lock_irqsave(&ha->hardware_lock, flags);
2290 
2291 		/* Pause RISC. */
2292 		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2293 		for (cnt = 0; cnt < 30000; cnt++) {
2294 			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2295 				break;
2296 
2297 			udelay(10);
2298 		}
2299 
2300 		/* Select FPM registers. */
2301 		WRT_REG_WORD(&reg->ctrl_status, 0x20);
2302 		RD_REG_WORD(&reg->ctrl_status);
2303 
2304 		/* Get the fb rev level */
2305 		ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2306 
2307 		if (ha->fb_rev == FPM_2300)
2308 			pci_clear_mwi(ha->pdev);
2309 
2310 		/* Deselect FPM registers. */
2311 		WRT_REG_WORD(&reg->ctrl_status, 0x0);
2312 		RD_REG_WORD(&reg->ctrl_status);
2313 
2314 		/* Release RISC module. */
2315 		WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2316 		for (cnt = 0; cnt < 30000; cnt++) {
2317 			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2318 				break;
2319 
2320 			udelay(10);
2321 		}
2322 
2323 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
2324 	}
2325 
2326 	pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2327 
2328 	pci_disable_rom(ha->pdev);
2329 
2330 	/* Get PCI bus information. */
2331 	spin_lock_irqsave(&ha->hardware_lock, flags);
2332 	ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
2333 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2334 
2335 	return QLA_SUCCESS;
2336 }
2337 
2338 /**
2339  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2340  * @vha: HA context
2341  *
2342  * Returns 0 on success.
2343  */
2344 int
2345 qla24xx_pci_config(scsi_qla_host_t *vha)
2346 {
2347 	uint16_t w;
2348 	unsigned long flags = 0;
2349 	struct qla_hw_data *ha = vha->hw;
2350 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2351 
2352 	pci_set_master(ha->pdev);
2353 	pci_try_set_mwi(ha->pdev);
2354 
2355 	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2356 	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2357 	w &= ~PCI_COMMAND_INTX_DISABLE;
2358 	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2359 
2360 	pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2361 
2362 	/* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
2363 	if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
2364 		pcix_set_mmrbc(ha->pdev, 2048);
2365 
2366 	/* PCIe -- adjust Maximum Read Request Size (2048). */
2367 	if (pci_is_pcie(ha->pdev))
2368 		pcie_set_readrq(ha->pdev, 4096);
2369 
2370 	pci_disable_rom(ha->pdev);
2371 
2372 	ha->chip_revision = ha->pdev->revision;
2373 
2374 	/* Get PCI bus information. */
2375 	spin_lock_irqsave(&ha->hardware_lock, flags);
2376 	ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
2377 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2378 
2379 	return QLA_SUCCESS;
2380 }
2381 
2382 /**
2383  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
2384  * @vha: HA context
2385  *
2386  * Returns 0 on success.
2387  */
2388 int
2389 qla25xx_pci_config(scsi_qla_host_t *vha)
2390 {
2391 	uint16_t w;
2392 	struct qla_hw_data *ha = vha->hw;
2393 
2394 	pci_set_master(ha->pdev);
2395 	pci_try_set_mwi(ha->pdev);
2396 
2397 	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2398 	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2399 	w &= ~PCI_COMMAND_INTX_DISABLE;
2400 	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2401 
2402 	/* PCIe -- adjust Maximum Read Request Size (2048). */
2403 	if (pci_is_pcie(ha->pdev))
2404 		pcie_set_readrq(ha->pdev, 4096);
2405 
2406 	pci_disable_rom(ha->pdev);
2407 
2408 	ha->chip_revision = ha->pdev->revision;
2409 
2410 	return QLA_SUCCESS;
2411 }
2412 
2413 /**
2414  * qla2x00_isp_firmware() - Choose firmware image.
2415  * @vha: HA context
2416  *
2417  * Returns 0 on success.
2418  */
2419 static int
2420 qla2x00_isp_firmware(scsi_qla_host_t *vha)
2421 {
2422 	int  rval;
2423 	uint16_t loop_id, topo, sw_cap;
2424 	uint8_t domain, area, al_pa;
2425 	struct qla_hw_data *ha = vha->hw;
2426 
2427 	/* Assume loading risc code */
2428 	rval = QLA_FUNCTION_FAILED;
2429 
2430 	if (ha->flags.disable_risc_code_load) {
2431 		ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
2432 
2433 		/* Verify checksum of loaded RISC code. */
2434 		rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
2435 		if (rval == QLA_SUCCESS) {
2436 			/* And, verify we are not in ROM code. */
2437 			rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2438 			    &area, &domain, &topo, &sw_cap);
2439 		}
2440 	}
2441 
2442 	if (rval)
2443 		ql_dbg(ql_dbg_init, vha, 0x007a,
2444 		    "**** Load RISC code ****.\n");
2445 
2446 	return (rval);
2447 }
2448 
2449 /**
2450  * qla2x00_reset_chip() - Reset ISP chip.
2451  * @vha: HA context
2452  *
2453  * Returns 0 on success.
2454  */
2455 void
2456 qla2x00_reset_chip(scsi_qla_host_t *vha)
2457 {
2458 	unsigned long   flags = 0;
2459 	struct qla_hw_data *ha = vha->hw;
2460 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2461 	uint32_t	cnt;
2462 	uint16_t	cmd;
2463 
2464 	if (unlikely(pci_channel_offline(ha->pdev)))
2465 		return;
2466 
2467 	ha->isp_ops->disable_intrs(ha);
2468 
2469 	spin_lock_irqsave(&ha->hardware_lock, flags);
2470 
2471 	/* Turn off master enable */
2472 	cmd = 0;
2473 	pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
2474 	cmd &= ~PCI_COMMAND_MASTER;
2475 	pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2476 
2477 	if (!IS_QLA2100(ha)) {
2478 		/* Pause RISC. */
2479 		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2480 		if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
2481 			for (cnt = 0; cnt < 30000; cnt++) {
2482 				if ((RD_REG_WORD(&reg->hccr) &
2483 				    HCCR_RISC_PAUSE) != 0)
2484 					break;
2485 				udelay(100);
2486 			}
2487 		} else {
2488 			RD_REG_WORD(&reg->hccr);	/* PCI Posting. */
2489 			udelay(10);
2490 		}
2491 
2492 		/* Select FPM registers. */
2493 		WRT_REG_WORD(&reg->ctrl_status, 0x20);
2494 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2495 
2496 		/* FPM Soft Reset. */
2497 		WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
2498 		RD_REG_WORD(&reg->fpm_diag_config);	/* PCI Posting. */
2499 
2500 		/* Toggle Fpm Reset. */
2501 		if (!IS_QLA2200(ha)) {
2502 			WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
2503 			RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
2504 		}
2505 
2506 		/* Select frame buffer registers. */
2507 		WRT_REG_WORD(&reg->ctrl_status, 0x10);
2508 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2509 
2510 		/* Reset frame buffer FIFOs. */
2511 		if (IS_QLA2200(ha)) {
2512 			WRT_FB_CMD_REG(ha, reg, 0xa000);
2513 			RD_FB_CMD_REG(ha, reg);		/* PCI Posting. */
2514 		} else {
2515 			WRT_FB_CMD_REG(ha, reg, 0x00fc);
2516 
2517 			/* Read back fb_cmd until zero or 3 seconds max */
2518 			for (cnt = 0; cnt < 3000; cnt++) {
2519 				if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
2520 					break;
2521 				udelay(100);
2522 			}
2523 		}
2524 
2525 		/* Select RISC module registers. */
2526 		WRT_REG_WORD(&reg->ctrl_status, 0);
2527 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2528 
2529 		/* Reset RISC processor. */
2530 		WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2531 		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
2532 
2533 		/* Release RISC processor. */
2534 		WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2535 		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
2536 	}
2537 
2538 	WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
2539 	WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
2540 
2541 	/* Reset ISP chip. */
2542 	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2543 
2544 	/* Wait for RISC to recover from reset. */
2545 	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2546 		/*
2547 		 * It is necessary to for a delay here since the card doesn't
2548 		 * respond to PCI reads during a reset. On some architectures
2549 		 * this will result in an MCA.
2550 		 */
2551 		udelay(20);
2552 		for (cnt = 30000; cnt; cnt--) {
2553 			if ((RD_REG_WORD(&reg->ctrl_status) &
2554 			    CSR_ISP_SOFT_RESET) == 0)
2555 				break;
2556 			udelay(100);
2557 		}
2558 	} else
2559 		udelay(10);
2560 
2561 	/* Reset RISC processor. */
2562 	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2563 
2564 	WRT_REG_WORD(&reg->semaphore, 0);
2565 
2566 	/* Release RISC processor. */
2567 	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2568 	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
2569 
2570 	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2571 		for (cnt = 0; cnt < 30000; cnt++) {
2572 			if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
2573 				break;
2574 
2575 			udelay(100);
2576 		}
2577 	} else
2578 		udelay(100);
2579 
2580 	/* Turn on master enable */
2581 	cmd |= PCI_COMMAND_MASTER;
2582 	pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2583 
2584 	/* Disable RISC pause on FPM parity error. */
2585 	if (!IS_QLA2100(ha)) {
2586 		WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
2587 		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
2588 	}
2589 
2590 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2591 }
2592 
2593 /**
2594  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2595  * @vha: HA context
2596  *
2597  * Returns 0 on success.
2598  */
2599 static int
2600 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2601 {
2602 	uint16_t mb[4] = {0x1010, 0, 1, 0};
2603 
2604 	if (!IS_QLA81XX(vha->hw))
2605 		return QLA_SUCCESS;
2606 
2607 	return qla81xx_write_mpi_register(vha, mb);
2608 }
2609 
2610 /**
2611  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2612  * @vha: HA context
2613  *
2614  * Returns 0 on success.
2615  */
2616 static inline int
2617 qla24xx_reset_risc(scsi_qla_host_t *vha)
2618 {
2619 	unsigned long flags = 0;
2620 	struct qla_hw_data *ha = vha->hw;
2621 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2622 	uint32_t cnt;
2623 	uint16_t wd;
2624 	static int abts_cnt; /* ISP abort retry counts */
2625 	int rval = QLA_SUCCESS;
2626 
2627 	spin_lock_irqsave(&ha->hardware_lock, flags);
2628 
2629 	/* Reset RISC. */
2630 	WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2631 	for (cnt = 0; cnt < 30000; cnt++) {
2632 		if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
2633 			break;
2634 
2635 		udelay(10);
2636 	}
2637 
2638 	if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
2639 		set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
2640 
2641 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
2642 	    "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
2643 	    RD_REG_DWORD(&reg->hccr),
2644 	    RD_REG_DWORD(&reg->ctrl_status),
2645 	    (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
2646 
2647 	WRT_REG_DWORD(&reg->ctrl_status,
2648 	    CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2649 	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2650 
2651 	udelay(100);
2652 
2653 	/* Wait for firmware to complete NVRAM accesses. */
2654 	RD_REG_WORD(&reg->mailbox0);
2655 	for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
2656 	    rval == QLA_SUCCESS; cnt--) {
2657 		barrier();
2658 		if (cnt)
2659 			udelay(5);
2660 		else
2661 			rval = QLA_FUNCTION_TIMEOUT;
2662 	}
2663 
2664 	if (rval == QLA_SUCCESS)
2665 		set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
2666 
2667 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
2668 	    "HCCR: 0x%x, MailBox0 Status 0x%x\n",
2669 	    RD_REG_DWORD(&reg->hccr),
2670 	    RD_REG_DWORD(&reg->mailbox0));
2671 
2672 	/* Wait for soft-reset to complete. */
2673 	RD_REG_DWORD(&reg->ctrl_status);
2674 	for (cnt = 0; cnt < 60; cnt++) {
2675 		barrier();
2676 		if ((RD_REG_DWORD(&reg->ctrl_status) &
2677 		    CSRX_ISP_SOFT_RESET) == 0)
2678 			break;
2679 
2680 		udelay(5);
2681 	}
2682 	if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
2683 		set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
2684 
2685 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
2686 	    "HCCR: 0x%x, Soft Reset status: 0x%x\n",
2687 	    RD_REG_DWORD(&reg->hccr),
2688 	    RD_REG_DWORD(&reg->ctrl_status));
2689 
2690 	/* If required, do an MPI FW reset now */
2691 	if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
2692 		if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
2693 			if (++abts_cnt < 5) {
2694 				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2695 				set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
2696 			} else {
2697 				/*
2698 				 * We exhausted the ISP abort retries. We have to
2699 				 * set the board offline.
2700 				 */
2701 				abts_cnt = 0;
2702 				vha->flags.online = 0;
2703 			}
2704 		}
2705 	}
2706 
2707 	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
2708 	RD_REG_DWORD(&reg->hccr);
2709 
2710 	WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2711 	RD_REG_DWORD(&reg->hccr);
2712 
2713 	WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
2714 	RD_REG_DWORD(&reg->hccr);
2715 
2716 	RD_REG_WORD(&reg->mailbox0);
2717 	for (cnt = 60; RD_REG_WORD(&reg->mailbox0) != 0 &&
2718 	    rval == QLA_SUCCESS; cnt--) {
2719 		barrier();
2720 		if (cnt)
2721 			udelay(5);
2722 		else
2723 			rval = QLA_FUNCTION_TIMEOUT;
2724 	}
2725 	if (rval == QLA_SUCCESS)
2726 		set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2727 
2728 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
2729 	    "Host Risc 0x%x, mailbox0 0x%x\n",
2730 	    RD_REG_DWORD(&reg->hccr),
2731 	     RD_REG_WORD(&reg->mailbox0));
2732 
2733 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2734 
2735 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
2736 	    "Driver in %s mode\n",
2737 	    IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
2738 
2739 	if (IS_NOPOLLING_TYPE(ha))
2740 		ha->isp_ops->enable_intrs(ha);
2741 
2742 	return rval;
2743 }
2744 
2745 static void
2746 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
2747 {
2748 	struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2749 
2750 	WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2751 	*data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
2752 
2753 }
2754 
2755 static void
2756 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
2757 {
2758 	struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2759 
2760 	WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2761 	WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
2762 }
2763 
2764 static void
2765 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
2766 {
2767 	uint32_t wd32 = 0;
2768 	uint delta_msec = 100;
2769 	uint elapsed_msec = 0;
2770 	uint timeout_msec;
2771 	ulong n;
2772 
2773 	if (vha->hw->pdev->subsystem_device != 0x0175 &&
2774 	    vha->hw->pdev->subsystem_device != 0x0240)
2775 		return;
2776 
2777 	WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
2778 	udelay(100);
2779 
2780 attempt:
2781 	timeout_msec = TIMEOUT_SEMAPHORE;
2782 	n = timeout_msec / delta_msec;
2783 	while (n--) {
2784 		qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
2785 		qla25xx_read_risc_sema_reg(vha, &wd32);
2786 		if (wd32 & RISC_SEMAPHORE)
2787 			break;
2788 		msleep(delta_msec);
2789 		elapsed_msec += delta_msec;
2790 		if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2791 			goto force;
2792 	}
2793 
2794 	if (!(wd32 & RISC_SEMAPHORE))
2795 		goto force;
2796 
2797 	if (!(wd32 & RISC_SEMAPHORE_FORCE))
2798 		goto acquired;
2799 
2800 	qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
2801 	timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
2802 	n = timeout_msec / delta_msec;
2803 	while (n--) {
2804 		qla25xx_read_risc_sema_reg(vha, &wd32);
2805 		if (!(wd32 & RISC_SEMAPHORE_FORCE))
2806 			break;
2807 		msleep(delta_msec);
2808 		elapsed_msec += delta_msec;
2809 		if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2810 			goto force;
2811 	}
2812 
2813 	if (wd32 & RISC_SEMAPHORE_FORCE)
2814 		qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
2815 
2816 	goto attempt;
2817 
2818 force:
2819 	qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
2820 
2821 acquired:
2822 	return;
2823 }
2824 
2825 /**
2826  * qla24xx_reset_chip() - Reset ISP24xx chip.
2827  * @vha: HA context
2828  *
2829  * Returns 0 on success.
2830  */
2831 void
2832 qla24xx_reset_chip(scsi_qla_host_t *vha)
2833 {
2834 	struct qla_hw_data *ha = vha->hw;
2835 
2836 	if (pci_channel_offline(ha->pdev) &&
2837 	    ha->flags.pci_channel_io_perm_failure) {
2838 		return;
2839 	}
2840 
2841 	ha->isp_ops->disable_intrs(ha);
2842 
2843 	qla25xx_manipulate_risc_semaphore(vha);
2844 
2845 	/* Perform RISC reset. */
2846 	qla24xx_reset_risc(vha);
2847 }
2848 
2849 /**
2850  * qla2x00_chip_diag() - Test chip for proper operation.
2851  * @vha: HA context
2852  *
2853  * Returns 0 on success.
2854  */
2855 int
2856 qla2x00_chip_diag(scsi_qla_host_t *vha)
2857 {
2858 	int		rval;
2859 	struct qla_hw_data *ha = vha->hw;
2860 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2861 	unsigned long	flags = 0;
2862 	uint16_t	data;
2863 	uint32_t	cnt;
2864 	uint16_t	mb[5];
2865 	struct req_que *req = ha->req_q_map[0];
2866 
2867 	/* Assume a failed state */
2868 	rval = QLA_FUNCTION_FAILED;
2869 
2870 	ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
2871 	       &reg->flash_address);
2872 
2873 	spin_lock_irqsave(&ha->hardware_lock, flags);
2874 
2875 	/* Reset ISP chip. */
2876 	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2877 
2878 	/*
2879 	 * We need to have a delay here since the card will not respond while
2880 	 * in reset causing an MCA on some architectures.
2881 	 */
2882 	udelay(20);
2883 	data = qla2x00_debounce_register(&reg->ctrl_status);
2884 	for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
2885 		udelay(5);
2886 		data = RD_REG_WORD(&reg->ctrl_status);
2887 		barrier();
2888 	}
2889 
2890 	if (!cnt)
2891 		goto chip_diag_failed;
2892 
2893 	ql_dbg(ql_dbg_init, vha, 0x007c,
2894 	    "Reset register cleared by chip reset.\n");
2895 
2896 	/* Reset RISC processor. */
2897 	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2898 	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2899 
2900 	/* Workaround for QLA2312 PCI parity error */
2901 	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2902 		data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
2903 		for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
2904 			udelay(5);
2905 			data = RD_MAILBOX_REG(ha, reg, 0);
2906 			barrier();
2907 		}
2908 	} else
2909 		udelay(10);
2910 
2911 	if (!cnt)
2912 		goto chip_diag_failed;
2913 
2914 	/* Check product ID of chip */
2915 	ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
2916 
2917 	mb[1] = RD_MAILBOX_REG(ha, reg, 1);
2918 	mb[2] = RD_MAILBOX_REG(ha, reg, 2);
2919 	mb[3] = RD_MAILBOX_REG(ha, reg, 3);
2920 	mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
2921 	if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
2922 	    mb[3] != PROD_ID_3) {
2923 		ql_log(ql_log_warn, vha, 0x0062,
2924 		    "Wrong product ID = 0x%x,0x%x,0x%x.\n",
2925 		    mb[1], mb[2], mb[3]);
2926 
2927 		goto chip_diag_failed;
2928 	}
2929 	ha->product_id[0] = mb[1];
2930 	ha->product_id[1] = mb[2];
2931 	ha->product_id[2] = mb[3];
2932 	ha->product_id[3] = mb[4];
2933 
2934 	/* Adjust fw RISC transfer size */
2935 	if (req->length > 1024)
2936 		ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
2937 	else
2938 		ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
2939 		    req->length;
2940 
2941 	if (IS_QLA2200(ha) &&
2942 	    RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
2943 		/* Limit firmware transfer size with a 2200A */
2944 		ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
2945 
2946 		ha->device_type |= DT_ISP2200A;
2947 		ha->fw_transfer_size = 128;
2948 	}
2949 
2950 	/* Wrap Incoming Mailboxes Test. */
2951 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2952 
2953 	ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
2954 	rval = qla2x00_mbx_reg_test(vha);
2955 	if (rval)
2956 		ql_log(ql_log_warn, vha, 0x0080,
2957 		    "Failed mailbox send register test.\n");
2958 	else
2959 		/* Flag a successful rval */
2960 		rval = QLA_SUCCESS;
2961 	spin_lock_irqsave(&ha->hardware_lock, flags);
2962 
2963 chip_diag_failed:
2964 	if (rval)
2965 		ql_log(ql_log_info, vha, 0x0081,
2966 		    "Chip diagnostics **** FAILED ****.\n");
2967 
2968 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2969 
2970 	return (rval);
2971 }
2972 
2973 /**
2974  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
2975  * @vha: HA context
2976  *
2977  * Returns 0 on success.
2978  */
2979 int
2980 qla24xx_chip_diag(scsi_qla_host_t *vha)
2981 {
2982 	int rval;
2983 	struct qla_hw_data *ha = vha->hw;
2984 	struct req_que *req = ha->req_q_map[0];
2985 
2986 	if (IS_P3P_TYPE(ha))
2987 		return QLA_SUCCESS;
2988 
2989 	ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
2990 
2991 	rval = qla2x00_mbx_reg_test(vha);
2992 	if (rval) {
2993 		ql_log(ql_log_warn, vha, 0x0082,
2994 		    "Failed mailbox send register test.\n");
2995 	} else {
2996 		/* Flag a successful rval */
2997 		rval = QLA_SUCCESS;
2998 	}
2999 
3000 	return rval;
3001 }
3002 
3003 static void
3004 qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
3005 {
3006 	int rval;
3007 	dma_addr_t tc_dma;
3008 	void *tc;
3009 	struct qla_hw_data *ha = vha->hw;
3010 
3011 	if (ha->eft) {
3012 		ql_dbg(ql_dbg_init, vha, 0x00bd,
3013 		    "%s: Offload Mem is already allocated.\n",
3014 		    __func__);
3015 		return;
3016 	}
3017 
3018 	if (IS_FWI2_CAPABLE(ha)) {
3019 		/* Allocate memory for Fibre Channel Event Buffer. */
3020 		if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3021 		    !IS_QLA27XX(ha))
3022 			goto try_eft;
3023 
3024 		if (ha->fce)
3025 			dma_free_coherent(&ha->pdev->dev,
3026 			    FCE_SIZE, ha->fce, ha->fce_dma);
3027 
3028 		/* Allocate memory for Fibre Channel Event Buffer. */
3029 		tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
3030 					GFP_KERNEL);
3031 		if (!tc) {
3032 			ql_log(ql_log_warn, vha, 0x00be,
3033 			    "Unable to allocate (%d KB) for FCE.\n",
3034 			    FCE_SIZE / 1024);
3035 			goto try_eft;
3036 		}
3037 
3038 		rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
3039 		    ha->fce_mb, &ha->fce_bufs);
3040 		if (rval) {
3041 			ql_log(ql_log_warn, vha, 0x00bf,
3042 			    "Unable to initialize FCE (%d).\n", rval);
3043 			dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
3044 			    tc_dma);
3045 			ha->flags.fce_enabled = 0;
3046 			goto try_eft;
3047 		}
3048 		ql_dbg(ql_dbg_init, vha, 0x00c0,
3049 		    "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
3050 
3051 		ha->flags.fce_enabled = 1;
3052 		ha->fce_dma = tc_dma;
3053 		ha->fce = tc;
3054 
3055 try_eft:
3056 		if (ha->eft)
3057 			dma_free_coherent(&ha->pdev->dev,
3058 			    EFT_SIZE, ha->eft, ha->eft_dma);
3059 
3060 		/* Allocate memory for Extended Trace Buffer. */
3061 		tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
3062 					GFP_KERNEL);
3063 		if (!tc) {
3064 			ql_log(ql_log_warn, vha, 0x00c1,
3065 			    "Unable to allocate (%d KB) for EFT.\n",
3066 			    EFT_SIZE / 1024);
3067 			goto eft_err;
3068 		}
3069 
3070 		rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
3071 		if (rval) {
3072 			ql_log(ql_log_warn, vha, 0x00c2,
3073 			    "Unable to initialize EFT (%d).\n", rval);
3074 			dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
3075 			    tc_dma);
3076 			goto eft_err;
3077 		}
3078 		ql_dbg(ql_dbg_init, vha, 0x00c3,
3079 		    "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3080 
3081 		ha->eft_dma = tc_dma;
3082 		ha->eft = tc;
3083 	}
3084 
3085 eft_err:
3086 	return;
3087 }
3088 
3089 void
3090 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
3091 {
3092 	uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
3093 	    eft_size, fce_size, mq_size;
3094 	struct qla_hw_data *ha = vha->hw;
3095 	struct req_que *req = ha->req_q_map[0];
3096 	struct rsp_que *rsp = ha->rsp_q_map[0];
3097 	struct qla2xxx_fw_dump *fw_dump;
3098 
3099 	dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
3100 	req_q_size = rsp_q_size = 0;
3101 
3102 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3103 		fixed_size = sizeof(struct qla2100_fw_dump);
3104 	} else if (IS_QLA23XX(ha)) {
3105 		fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
3106 		mem_size = (ha->fw_memory_size - 0x11000 + 1) *
3107 		    sizeof(uint16_t);
3108 	} else if (IS_FWI2_CAPABLE(ha)) {
3109 		if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
3110 			fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
3111 		else if (IS_QLA81XX(ha))
3112 			fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
3113 		else if (IS_QLA25XX(ha))
3114 			fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
3115 		else
3116 			fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
3117 
3118 		mem_size = (ha->fw_memory_size - 0x100000 + 1) *
3119 		    sizeof(uint32_t);
3120 		if (ha->mqenable) {
3121 			if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
3122 				mq_size = sizeof(struct qla2xxx_mq_chain);
3123 			/*
3124 			 * Allocate maximum buffer size for all queues.
3125 			 * Resizing must be done at end-of-dump processing.
3126 			 */
3127 			mq_size += ha->max_req_queues *
3128 			    (req->length * sizeof(request_t));
3129 			mq_size += ha->max_rsp_queues *
3130 			    (rsp->length * sizeof(response_t));
3131 		}
3132 		if (ha->tgt.atio_ring)
3133 			mq_size += ha->tgt.atio_q_length * sizeof(request_t);
3134 		/* Allocate memory for Fibre Channel Event Buffer. */
3135 		if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3136 		    !IS_QLA27XX(ha))
3137 			goto try_eft;
3138 
3139 		fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
3140 try_eft:
3141 		ql_dbg(ql_dbg_init, vha, 0x00c3,
3142 		    "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3143 		eft_size = EFT_SIZE;
3144 	}
3145 
3146 	if (IS_QLA27XX(ha)) {
3147 		if (!ha->fw_dump_template) {
3148 			ql_log(ql_log_warn, vha, 0x00ba,
3149 			    "Failed missing fwdump template\n");
3150 			return;
3151 		}
3152 		dump_size = qla27xx_fwdt_calculate_dump_size(vha);
3153 		ql_dbg(ql_dbg_init, vha, 0x00fa,
3154 		    "-> allocating fwdump (%x bytes)...\n", dump_size);
3155 		goto allocate;
3156 	}
3157 
3158 	req_q_size = req->length * sizeof(request_t);
3159 	rsp_q_size = rsp->length * sizeof(response_t);
3160 	dump_size = offsetof(struct qla2xxx_fw_dump, isp);
3161 	dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
3162 	ha->chain_offset = dump_size;
3163 	dump_size += mq_size + fce_size;
3164 
3165 	if (ha->exchoffld_buf)
3166 		dump_size += sizeof(struct qla2xxx_offld_chain) +
3167 			ha->exchoffld_size;
3168 	if (ha->exlogin_buf)
3169 		dump_size += sizeof(struct qla2xxx_offld_chain) +
3170 			ha->exlogin_size;
3171 
3172 allocate:
3173 	if (!ha->fw_dump_len || dump_size != ha->fw_dump_len) {
3174 		fw_dump = vmalloc(dump_size);
3175 		if (!fw_dump) {
3176 			ql_log(ql_log_warn, vha, 0x00c4,
3177 			    "Unable to allocate (%d KB) for firmware dump.\n",
3178 			    dump_size / 1024);
3179 		} else {
3180 			if (ha->fw_dump)
3181 				vfree(ha->fw_dump);
3182 			ha->fw_dump = fw_dump;
3183 
3184 			ha->fw_dump_len = dump_size;
3185 			ql_dbg(ql_dbg_init, vha, 0x00c5,
3186 			    "Allocated (%d KB) for firmware dump.\n",
3187 			    dump_size / 1024);
3188 
3189 			if (IS_QLA27XX(ha))
3190 				return;
3191 
3192 			ha->fw_dump->signature[0] = 'Q';
3193 			ha->fw_dump->signature[1] = 'L';
3194 			ha->fw_dump->signature[2] = 'G';
3195 			ha->fw_dump->signature[3] = 'C';
3196 			ha->fw_dump->version = htonl(1);
3197 
3198 			ha->fw_dump->fixed_size = htonl(fixed_size);
3199 			ha->fw_dump->mem_size = htonl(mem_size);
3200 			ha->fw_dump->req_q_size = htonl(req_q_size);
3201 			ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3202 
3203 			ha->fw_dump->eft_size = htonl(eft_size);
3204 			ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
3205 			ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
3206 
3207 			ha->fw_dump->header_size =
3208 				htonl(offsetof(struct qla2xxx_fw_dump, isp));
3209 		}
3210 	}
3211 }
3212 
3213 static int
3214 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3215 {
3216 #define MPS_MASK	0xe0
3217 	int rval;
3218 	uint16_t dc;
3219 	uint32_t dw;
3220 
3221 	if (!IS_QLA81XX(vha->hw))
3222 		return QLA_SUCCESS;
3223 
3224 	rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3225 	if (rval != QLA_SUCCESS) {
3226 		ql_log(ql_log_warn, vha, 0x0105,
3227 		    "Unable to acquire semaphore.\n");
3228 		goto done;
3229 	}
3230 
3231 	pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3232 	rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3233 	if (rval != QLA_SUCCESS) {
3234 		ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3235 		goto done_release;
3236 	}
3237 
3238 	dc &= MPS_MASK;
3239 	if (dc == (dw & MPS_MASK))
3240 		goto done_release;
3241 
3242 	dw &= ~MPS_MASK;
3243 	dw |= dc;
3244 	rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3245 	if (rval != QLA_SUCCESS) {
3246 		ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3247 	}
3248 
3249 done_release:
3250 	rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3251 	if (rval != QLA_SUCCESS) {
3252 		ql_log(ql_log_warn, vha, 0x006d,
3253 		    "Unable to release semaphore.\n");
3254 	}
3255 
3256 done:
3257 	return rval;
3258 }
3259 
3260 int
3261 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3262 {
3263 	/* Don't try to reallocate the array */
3264 	if (req->outstanding_cmds)
3265 		return QLA_SUCCESS;
3266 
3267 	if (!IS_FWI2_CAPABLE(ha))
3268 		req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
3269 	else {
3270 		if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
3271 			req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3272 		else
3273 			req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3274 	}
3275 
3276 	req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3277 					sizeof(srb_t *),
3278 					GFP_KERNEL);
3279 
3280 	if (!req->outstanding_cmds) {
3281 		/*
3282 		 * Try to allocate a minimal size just so we can get through
3283 		 * initialization.
3284 		 */
3285 		req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3286 		req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3287 						sizeof(srb_t *),
3288 						GFP_KERNEL);
3289 
3290 		if (!req->outstanding_cmds) {
3291 			ql_log(ql_log_fatal, NULL, 0x0126,
3292 			    "Failed to allocate memory for "
3293 			    "outstanding_cmds for req_que %p.\n", req);
3294 			req->num_outstanding_cmds = 0;
3295 			return QLA_FUNCTION_FAILED;
3296 		}
3297 	}
3298 
3299 	return QLA_SUCCESS;
3300 }
3301 
3302 #define PRINT_FIELD(_field, _flag, _str) {		\
3303 	if (a0->_field & _flag) {\
3304 		if (p) {\
3305 			strcat(ptr, "|");\
3306 			ptr++;\
3307 			leftover--;\
3308 		} \
3309 		len = snprintf(ptr, leftover, "%s", _str);	\
3310 		p = 1;\
3311 		leftover -= len;\
3312 		ptr += len; \
3313 	} \
3314 }
3315 
3316 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
3317 {
3318 #define STR_LEN 64
3319 	struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
3320 	u8 str[STR_LEN], *ptr, p;
3321 	int leftover, len;
3322 
3323 	memset(str, 0, STR_LEN);
3324 	snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
3325 	ql_dbg(ql_dbg_init, vha, 0x015a,
3326 	    "SFP MFG Name: %s\n", str);
3327 
3328 	memset(str, 0, STR_LEN);
3329 	snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
3330 	ql_dbg(ql_dbg_init, vha, 0x015c,
3331 	    "SFP Part Name: %s\n", str);
3332 
3333 	/* media */
3334 	memset(str, 0, STR_LEN);
3335 	ptr = str;
3336 	leftover = STR_LEN;
3337 	p = len = 0;
3338 	PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
3339 	PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
3340 	PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
3341 	PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
3342 	PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
3343 	PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
3344 	PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
3345 	ql_dbg(ql_dbg_init, vha, 0x0160,
3346 	    "SFP Media: %s\n", str);
3347 
3348 	/* link length */
3349 	memset(str, 0, STR_LEN);
3350 	ptr = str;
3351 	leftover = STR_LEN;
3352 	p = len = 0;
3353 	PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
3354 	PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
3355 	PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
3356 	PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
3357 	PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
3358 	ql_dbg(ql_dbg_init, vha, 0x0196,
3359 	    "SFP Link Length: %s\n", str);
3360 
3361 	memset(str, 0, STR_LEN);
3362 	ptr = str;
3363 	leftover = STR_LEN;
3364 	p = len = 0;
3365 	PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
3366 	PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
3367 	PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
3368 	PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
3369 	PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
3370 	ql_dbg(ql_dbg_init, vha, 0x016e,
3371 	    "SFP FC Link Tech: %s\n", str);
3372 
3373 	if (a0->length_km)
3374 		ql_dbg(ql_dbg_init, vha, 0x016f,
3375 		    "SFP Distant: %d km\n", a0->length_km);
3376 	if (a0->length_100m)
3377 		ql_dbg(ql_dbg_init, vha, 0x0170,
3378 		    "SFP Distant: %d m\n", a0->length_100m*100);
3379 	if (a0->length_50um_10m)
3380 		ql_dbg(ql_dbg_init, vha, 0x0189,
3381 		    "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
3382 	if (a0->length_62um_10m)
3383 		ql_dbg(ql_dbg_init, vha, 0x018a,
3384 		  "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
3385 	if (a0->length_om4_10m)
3386 		ql_dbg(ql_dbg_init, vha, 0x0194,
3387 		    "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
3388 	if (a0->length_om3_10m)
3389 		ql_dbg(ql_dbg_init, vha, 0x0195,
3390 		    "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
3391 }
3392 
3393 
3394 /*
3395  * Return Code:
3396  *   QLA_SUCCESS: no action
3397  *   QLA_INTERFACE_ERROR: SFP is not there.
3398  *   QLA_FUNCTION_FAILED: detected New SFP
3399  */
3400 int
3401 qla24xx_detect_sfp(scsi_qla_host_t *vha)
3402 {
3403 	int rc = QLA_SUCCESS;
3404 	struct sff_8247_a0 *a;
3405 	struct qla_hw_data *ha = vha->hw;
3406 
3407 	if (!AUTO_DETECT_SFP_SUPPORT(vha))
3408 		goto out;
3409 
3410 	rc = qla2x00_read_sfp_dev(vha, NULL, 0);
3411 	if (rc)
3412 		goto out;
3413 
3414 	a = (struct sff_8247_a0 *)vha->hw->sfp_data;
3415 	qla2xxx_print_sfp_info(vha);
3416 
3417 	if (a->fc_ll_cc7 & FC_LL_VL || a->fc_ll_cc7 & FC_LL_L) {
3418 		/* long range */
3419 		ha->flags.detected_lr_sfp = 1;
3420 
3421 		if (a->length_km > 5 || a->length_100m > 50)
3422 			ha->long_range_distance = LR_DISTANCE_10K;
3423 		else
3424 			ha->long_range_distance = LR_DISTANCE_5K;
3425 
3426 		if (ha->flags.detected_lr_sfp != ha->flags.using_lr_setting)
3427 			ql_dbg(ql_dbg_async, vha, 0x507b,
3428 			    "Detected Long Range SFP.\n");
3429 	} else {
3430 		/* short range */
3431 		ha->flags.detected_lr_sfp = 0;
3432 		if (ha->flags.using_lr_setting)
3433 			ql_dbg(ql_dbg_async, vha, 0x5084,
3434 			    "Detected Short Range SFP.\n");
3435 	}
3436 
3437 	if (!vha->flags.init_done)
3438 		rc = QLA_SUCCESS;
3439 out:
3440 	return rc;
3441 }
3442 
3443 /**
3444  * qla2x00_setup_chip() - Load and start RISC firmware.
3445  * @vha: HA context
3446  *
3447  * Returns 0 on success.
3448  */
3449 static int
3450 qla2x00_setup_chip(scsi_qla_host_t *vha)
3451 {
3452 	int rval;
3453 	uint32_t srisc_address = 0;
3454 	struct qla_hw_data *ha = vha->hw;
3455 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3456 	unsigned long flags;
3457 	uint16_t fw_major_version;
3458 
3459 	if (IS_P3P_TYPE(ha)) {
3460 		rval = ha->isp_ops->load_risc(vha, &srisc_address);
3461 		if (rval == QLA_SUCCESS) {
3462 			qla2x00_stop_firmware(vha);
3463 			goto enable_82xx_npiv;
3464 		} else
3465 			goto failed;
3466 	}
3467 
3468 	if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3469 		/* Disable SRAM, Instruction RAM and GP RAM parity.  */
3470 		spin_lock_irqsave(&ha->hardware_lock, flags);
3471 		WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
3472 		RD_REG_WORD(&reg->hccr);
3473 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
3474 	}
3475 
3476 	qla81xx_mpi_sync(vha);
3477 
3478 	/* Load firmware sequences */
3479 	rval = ha->isp_ops->load_risc(vha, &srisc_address);
3480 	if (rval == QLA_SUCCESS) {
3481 		ql_dbg(ql_dbg_init, vha, 0x00c9,
3482 		    "Verifying Checksum of loaded RISC code.\n");
3483 
3484 		rval = qla2x00_verify_checksum(vha, srisc_address);
3485 		if (rval == QLA_SUCCESS) {
3486 			/* Start firmware execution. */
3487 			ql_dbg(ql_dbg_init, vha, 0x00ca,
3488 			    "Starting firmware.\n");
3489 
3490 			if (ql2xexlogins)
3491 				ha->flags.exlogins_enabled = 1;
3492 
3493 			if (qla_is_exch_offld_enabled(vha))
3494 				ha->flags.exchoffld_enabled = 1;
3495 
3496 			rval = qla2x00_execute_fw(vha, srisc_address);
3497 			/* Retrieve firmware information. */
3498 			if (rval == QLA_SUCCESS) {
3499 				qla24xx_detect_sfp(vha);
3500 
3501 				if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) &&
3502 				    (ha->zio_mode == QLA_ZIO_MODE_6))
3503 					qla27xx_set_zio_threshold(vha,
3504 					    ha->last_zio_threshold);
3505 
3506 				rval = qla2x00_set_exlogins_buffer(vha);
3507 				if (rval != QLA_SUCCESS)
3508 					goto failed;
3509 
3510 				rval = qla2x00_set_exchoffld_buffer(vha);
3511 				if (rval != QLA_SUCCESS)
3512 					goto failed;
3513 
3514 enable_82xx_npiv:
3515 				fw_major_version = ha->fw_major_version;
3516 				if (IS_P3P_TYPE(ha))
3517 					qla82xx_check_md_needed(vha);
3518 				else
3519 					rval = qla2x00_get_fw_version(vha);
3520 				if (rval != QLA_SUCCESS)
3521 					goto failed;
3522 				ha->flags.npiv_supported = 0;
3523 				if (IS_QLA2XXX_MIDTYPE(ha) &&
3524 					 (ha->fw_attributes & BIT_2)) {
3525 					ha->flags.npiv_supported = 1;
3526 					if ((!ha->max_npiv_vports) ||
3527 					    ((ha->max_npiv_vports + 1) %
3528 					    MIN_MULTI_ID_FABRIC))
3529 						ha->max_npiv_vports =
3530 						    MIN_MULTI_ID_FABRIC - 1;
3531 				}
3532 				qla2x00_get_resource_cnts(vha);
3533 
3534 				/*
3535 				 * Allocate the array of outstanding commands
3536 				 * now that we know the firmware resources.
3537 				 */
3538 				rval = qla2x00_alloc_outstanding_cmds(ha,
3539 				    vha->req);
3540 				if (rval != QLA_SUCCESS)
3541 					goto failed;
3542 
3543 				if (!fw_major_version && !(IS_P3P_TYPE(ha)))
3544 					qla2x00_alloc_offload_mem(vha);
3545 
3546 				if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
3547 					qla2x00_alloc_fw_dump(vha);
3548 
3549 			} else {
3550 				goto failed;
3551 			}
3552 		} else {
3553 			ql_log(ql_log_fatal, vha, 0x00cd,
3554 			    "ISP Firmware failed checksum.\n");
3555 			goto failed;
3556 		}
3557 	} else
3558 		goto failed;
3559 
3560 	if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3561 		/* Enable proper parity. */
3562 		spin_lock_irqsave(&ha->hardware_lock, flags);
3563 		if (IS_QLA2300(ha))
3564 			/* SRAM parity */
3565 			WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
3566 		else
3567 			/* SRAM, Instruction RAM and GP RAM parity */
3568 			WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
3569 		RD_REG_WORD(&reg->hccr);
3570 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
3571 	}
3572 
3573 	if (IS_QLA27XX(ha))
3574 		ha->flags.fac_supported = 1;
3575 	else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
3576 		uint32_t size;
3577 
3578 		rval = qla81xx_fac_get_sector_size(vha, &size);
3579 		if (rval == QLA_SUCCESS) {
3580 			ha->flags.fac_supported = 1;
3581 			ha->fdt_block_size = size << 2;
3582 		} else {
3583 			ql_log(ql_log_warn, vha, 0x00ce,
3584 			    "Unsupported FAC firmware (%d.%02d.%02d).\n",
3585 			    ha->fw_major_version, ha->fw_minor_version,
3586 			    ha->fw_subminor_version);
3587 
3588 			if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3589 				ha->flags.fac_supported = 0;
3590 				rval = QLA_SUCCESS;
3591 			}
3592 		}
3593 	}
3594 failed:
3595 	if (rval) {
3596 		ql_log(ql_log_fatal, vha, 0x00cf,
3597 		    "Setup chip ****FAILED****.\n");
3598 	}
3599 
3600 	return (rval);
3601 }
3602 
3603 /**
3604  * qla2x00_init_response_q_entries() - Initializes response queue entries.
3605  * @rsp: response queue
3606  *
3607  * Beginning of request ring has initialization control block already built
3608  * by nvram config routine.
3609  *
3610  * Returns 0 on success.
3611  */
3612 void
3613 qla2x00_init_response_q_entries(struct rsp_que *rsp)
3614 {
3615 	uint16_t cnt;
3616 	response_t *pkt;
3617 
3618 	rsp->ring_ptr = rsp->ring;
3619 	rsp->ring_index    = 0;
3620 	rsp->status_srb = NULL;
3621 	pkt = rsp->ring_ptr;
3622 	for (cnt = 0; cnt < rsp->length; cnt++) {
3623 		pkt->signature = RESPONSE_PROCESSED;
3624 		pkt++;
3625 	}
3626 }
3627 
3628 /**
3629  * qla2x00_update_fw_options() - Read and process firmware options.
3630  * @vha: HA context
3631  *
3632  * Returns 0 on success.
3633  */
3634 void
3635 qla2x00_update_fw_options(scsi_qla_host_t *vha)
3636 {
3637 	uint16_t swing, emphasis, tx_sens, rx_sens;
3638 	struct qla_hw_data *ha = vha->hw;
3639 
3640 	memset(ha->fw_options, 0, sizeof(ha->fw_options));
3641 	qla2x00_get_fw_options(vha, ha->fw_options);
3642 
3643 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
3644 		return;
3645 
3646 	/* Serial Link options. */
3647 	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
3648 	    "Serial link options.\n");
3649 	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
3650 	    (uint8_t *)&ha->fw_seriallink_options,
3651 	    sizeof(ha->fw_seriallink_options));
3652 
3653 	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
3654 	if (ha->fw_seriallink_options[3] & BIT_2) {
3655 		ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
3656 
3657 		/*  1G settings */
3658 		swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
3659 		emphasis = (ha->fw_seriallink_options[2] &
3660 		    (BIT_4 | BIT_3)) >> 3;
3661 		tx_sens = ha->fw_seriallink_options[0] &
3662 		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3663 		rx_sens = (ha->fw_seriallink_options[0] &
3664 		    (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3665 		ha->fw_options[10] = (emphasis << 14) | (swing << 8);
3666 		if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3667 			if (rx_sens == 0x0)
3668 				rx_sens = 0x3;
3669 			ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
3670 		} else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3671 			ha->fw_options[10] |= BIT_5 |
3672 			    ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3673 			    (tx_sens & (BIT_1 | BIT_0));
3674 
3675 		/*  2G settings */
3676 		swing = (ha->fw_seriallink_options[2] &
3677 		    (BIT_7 | BIT_6 | BIT_5)) >> 5;
3678 		emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
3679 		tx_sens = ha->fw_seriallink_options[1] &
3680 		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3681 		rx_sens = (ha->fw_seriallink_options[1] &
3682 		    (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3683 		ha->fw_options[11] = (emphasis << 14) | (swing << 8);
3684 		if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3685 			if (rx_sens == 0x0)
3686 				rx_sens = 0x3;
3687 			ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
3688 		} else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3689 			ha->fw_options[11] |= BIT_5 |
3690 			    ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3691 			    (tx_sens & (BIT_1 | BIT_0));
3692 	}
3693 
3694 	/* FCP2 options. */
3695 	/*  Return command IOCBs without waiting for an ABTS to complete. */
3696 	ha->fw_options[3] |= BIT_13;
3697 
3698 	/* LED scheme. */
3699 	if (ha->flags.enable_led_scheme)
3700 		ha->fw_options[2] |= BIT_12;
3701 
3702 	/* Detect ISP6312. */
3703 	if (IS_QLA6312(ha))
3704 		ha->fw_options[2] |= BIT_13;
3705 
3706 	/* Set Retry FLOGI in case of P2P connection */
3707 	if (ha->operating_mode == P2P) {
3708 		ha->fw_options[2] |= BIT_3;
3709 		ql_dbg(ql_dbg_disc, vha, 0x2100,
3710 		    "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3711 			__func__, ha->fw_options[2]);
3712 	}
3713 
3714 	/* Update firmware options. */
3715 	qla2x00_set_fw_options(vha, ha->fw_options);
3716 }
3717 
3718 void
3719 qla24xx_update_fw_options(scsi_qla_host_t *vha)
3720 {
3721 	int rval;
3722 	struct qla_hw_data *ha = vha->hw;
3723 
3724 	if (IS_P3P_TYPE(ha))
3725 		return;
3726 
3727 	/*  Hold status IOCBs until ABTS response received. */
3728 	if (ql2xfwholdabts)
3729 		ha->fw_options[3] |= BIT_12;
3730 
3731 	/* Set Retry FLOGI in case of P2P connection */
3732 	if (ha->operating_mode == P2P) {
3733 		ha->fw_options[2] |= BIT_3;
3734 		ql_dbg(ql_dbg_disc, vha, 0x2101,
3735 		    "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3736 			__func__, ha->fw_options[2]);
3737 	}
3738 
3739 	/* Move PUREX, ABTS RX & RIDA to ATIOQ */
3740 	if (ql2xmvasynctoatio &&
3741 	    (IS_QLA83XX(ha) || IS_QLA27XX(ha))) {
3742 		if (qla_tgt_mode_enabled(vha) ||
3743 		    qla_dual_mode_enabled(vha))
3744 			ha->fw_options[2] |= BIT_11;
3745 		else
3746 			ha->fw_options[2] &= ~BIT_11;
3747 	}
3748 
3749 	if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3750 		/*
3751 		 * Tell FW to track each exchange to prevent
3752 		 * driver from using stale exchange.
3753 		 */
3754 		if (qla_tgt_mode_enabled(vha) ||
3755 		    qla_dual_mode_enabled(vha))
3756 			ha->fw_options[2] |= BIT_4;
3757 		else
3758 			ha->fw_options[2] &= ~BIT_4;
3759 
3760 		/* Reserve 1/2 of emergency exchanges for ELS.*/
3761 		if (qla2xuseresexchforels)
3762 			ha->fw_options[2] |= BIT_8;
3763 		else
3764 			ha->fw_options[2] &= ~BIT_8;
3765 	}
3766 
3767 	ql_dbg(ql_dbg_init, vha, 0x00e8,
3768 	    "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
3769 	    __func__, ha->fw_options[1], ha->fw_options[2],
3770 	    ha->fw_options[3], vha->host->active_mode);
3771 
3772 	if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
3773 		qla2x00_set_fw_options(vha, ha->fw_options);
3774 
3775 	/* Update Serial Link options. */
3776 	if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
3777 		return;
3778 
3779 	rval = qla2x00_set_serdes_params(vha,
3780 	    le16_to_cpu(ha->fw_seriallink_options24[1]),
3781 	    le16_to_cpu(ha->fw_seriallink_options24[2]),
3782 	    le16_to_cpu(ha->fw_seriallink_options24[3]));
3783 	if (rval != QLA_SUCCESS) {
3784 		ql_log(ql_log_warn, vha, 0x0104,
3785 		    "Unable to update Serial Link options (%x).\n", rval);
3786 	}
3787 }
3788 
3789 void
3790 qla2x00_config_rings(struct scsi_qla_host *vha)
3791 {
3792 	struct qla_hw_data *ha = vha->hw;
3793 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3794 	struct req_que *req = ha->req_q_map[0];
3795 	struct rsp_que *rsp = ha->rsp_q_map[0];
3796 
3797 	/* Setup ring parameters in initialization control block. */
3798 	ha->init_cb->request_q_outpointer = cpu_to_le16(0);
3799 	ha->init_cb->response_q_inpointer = cpu_to_le16(0);
3800 	ha->init_cb->request_q_length = cpu_to_le16(req->length);
3801 	ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
3802 	ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3803 	ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3804 	ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3805 	ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3806 
3807 	WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
3808 	WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
3809 	WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
3810 	WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
3811 	RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));		/* PCI Posting. */
3812 }
3813 
3814 void
3815 qla24xx_config_rings(struct scsi_qla_host *vha)
3816 {
3817 	struct qla_hw_data *ha = vha->hw;
3818 	device_reg_t *reg = ISP_QUE_REG(ha, 0);
3819 	struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
3820 	struct qla_msix_entry *msix;
3821 	struct init_cb_24xx *icb;
3822 	uint16_t rid = 0;
3823 	struct req_que *req = ha->req_q_map[0];
3824 	struct rsp_que *rsp = ha->rsp_q_map[0];
3825 
3826 	/* Setup ring parameters in initialization control block. */
3827 	icb = (struct init_cb_24xx *)ha->init_cb;
3828 	icb->request_q_outpointer = cpu_to_le16(0);
3829 	icb->response_q_inpointer = cpu_to_le16(0);
3830 	icb->request_q_length = cpu_to_le16(req->length);
3831 	icb->response_q_length = cpu_to_le16(rsp->length);
3832 	icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3833 	icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3834 	icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3835 	icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3836 
3837 	/* Setup ATIO queue dma pointers for target mode */
3838 	icb->atio_q_inpointer = cpu_to_le16(0);
3839 	icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
3840 	icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
3841 	icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
3842 
3843 	if (IS_SHADOW_REG_CAPABLE(ha))
3844 		icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
3845 
3846 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3847 		icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
3848 		icb->rid = cpu_to_le16(rid);
3849 		if (ha->flags.msix_enabled) {
3850 			msix = &ha->msix_entries[1];
3851 			ql_dbg(ql_dbg_init, vha, 0x0019,
3852 			    "Registering vector 0x%x for base que.\n",
3853 			    msix->entry);
3854 			icb->msix = cpu_to_le16(msix->entry);
3855 		}
3856 		/* Use alternate PCI bus number */
3857 		if (MSB(rid))
3858 			icb->firmware_options_2 |= cpu_to_le32(BIT_19);
3859 		/* Use alternate PCI devfn */
3860 		if (LSB(rid))
3861 			icb->firmware_options_2 |= cpu_to_le32(BIT_18);
3862 
3863 		/* Use Disable MSIX Handshake mode for capable adapters */
3864 		if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
3865 		    (ha->flags.msix_enabled)) {
3866 			icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
3867 			ha->flags.disable_msix_handshake = 1;
3868 			ql_dbg(ql_dbg_init, vha, 0x00fe,
3869 			    "MSIX Handshake Disable Mode turned on.\n");
3870 		} else {
3871 			icb->firmware_options_2 |= cpu_to_le32(BIT_22);
3872 		}
3873 		icb->firmware_options_2 |= cpu_to_le32(BIT_23);
3874 
3875 		WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
3876 		WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
3877 		WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
3878 		WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
3879 	} else {
3880 		WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
3881 		WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
3882 		WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
3883 		WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
3884 	}
3885 
3886 	qlt_24xx_config_rings(vha);
3887 
3888 	/* If the user has configured the speed, set it here */
3889 	if (ha->set_data_rate) {
3890 		ql_dbg(ql_dbg_init, vha, 0x00fd,
3891 		    "Speed set by user : %s Gbps \n",
3892 		    qla2x00_get_link_speed_str(ha, ha->set_data_rate));
3893 		icb->firmware_options_3 = (ha->set_data_rate << 13);
3894 	}
3895 
3896 	/* PCI posting */
3897 	RD_REG_DWORD(&ioreg->hccr);
3898 }
3899 
3900 /**
3901  * qla2x00_init_rings() - Initializes firmware.
3902  * @vha: HA context
3903  *
3904  * Beginning of request ring has initialization control block already built
3905  * by nvram config routine.
3906  *
3907  * Returns 0 on success.
3908  */
3909 int
3910 qla2x00_init_rings(scsi_qla_host_t *vha)
3911 {
3912 	int	rval;
3913 	unsigned long flags = 0;
3914 	int cnt, que;
3915 	struct qla_hw_data *ha = vha->hw;
3916 	struct req_que *req;
3917 	struct rsp_que *rsp;
3918 	struct mid_init_cb_24xx *mid_init_cb =
3919 	    (struct mid_init_cb_24xx *) ha->init_cb;
3920 
3921 	spin_lock_irqsave(&ha->hardware_lock, flags);
3922 
3923 	/* Clear outstanding commands array. */
3924 	for (que = 0; que < ha->max_req_queues; que++) {
3925 		req = ha->req_q_map[que];
3926 		if (!req || !test_bit(que, ha->req_qid_map))
3927 			continue;
3928 		req->out_ptr = (void *)(req->ring + req->length);
3929 		*req->out_ptr = 0;
3930 		for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
3931 			req->outstanding_cmds[cnt] = NULL;
3932 
3933 		req->current_outstanding_cmd = 1;
3934 
3935 		/* Initialize firmware. */
3936 		req->ring_ptr  = req->ring;
3937 		req->ring_index    = 0;
3938 		req->cnt      = req->length;
3939 	}
3940 
3941 	for (que = 0; que < ha->max_rsp_queues; que++) {
3942 		rsp = ha->rsp_q_map[que];
3943 		if (!rsp || !test_bit(que, ha->rsp_qid_map))
3944 			continue;
3945 		rsp->in_ptr = (void *)(rsp->ring + rsp->length);
3946 		*rsp->in_ptr = 0;
3947 		/* Initialize response queue entries */
3948 		if (IS_QLAFX00(ha))
3949 			qlafx00_init_response_q_entries(rsp);
3950 		else
3951 			qla2x00_init_response_q_entries(rsp);
3952 	}
3953 
3954 	ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
3955 	ha->tgt.atio_ring_index = 0;
3956 	/* Initialize ATIO queue entries */
3957 	qlt_init_atio_q_entries(vha);
3958 
3959 	ha->isp_ops->config_rings(vha);
3960 
3961 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
3962 
3963 	ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
3964 
3965 	if (IS_QLAFX00(ha)) {
3966 		rval = qlafx00_init_firmware(vha, ha->init_cb_size);
3967 		goto next_check;
3968 	}
3969 
3970 	/* Update any ISP specific firmware options before initialization. */
3971 	ha->isp_ops->update_fw_options(vha);
3972 
3973 	if (ha->flags.npiv_supported) {
3974 		if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
3975 			ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
3976 		mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
3977 	}
3978 
3979 	if (IS_FWI2_CAPABLE(ha)) {
3980 		mid_init_cb->options = cpu_to_le16(BIT_1);
3981 		mid_init_cb->init_cb.execution_throttle =
3982 		    cpu_to_le16(ha->cur_fw_xcb_count);
3983 		ha->flags.dport_enabled =
3984 		    (mid_init_cb->init_cb.firmware_options_1 & BIT_7) != 0;
3985 		ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
3986 		    (ha->flags.dport_enabled) ? "enabled" : "disabled");
3987 		/* FA-WWPN Status */
3988 		ha->flags.fawwpn_enabled =
3989 		    (mid_init_cb->init_cb.firmware_options_1 & BIT_6) != 0;
3990 		ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
3991 		    (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
3992 	}
3993 
3994 	rval = qla2x00_init_firmware(vha, ha->init_cb_size);
3995 next_check:
3996 	if (rval) {
3997 		ql_log(ql_log_fatal, vha, 0x00d2,
3998 		    "Init Firmware **** FAILED ****.\n");
3999 	} else {
4000 		ql_dbg(ql_dbg_init, vha, 0x00d3,
4001 		    "Init Firmware -- success.\n");
4002 		QLA_FW_STARTED(ha);
4003 		vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0;
4004 	}
4005 
4006 	return (rval);
4007 }
4008 
4009 /**
4010  * qla2x00_fw_ready() - Waits for firmware ready.
4011  * @vha: HA context
4012  *
4013  * Returns 0 on success.
4014  */
4015 static int
4016 qla2x00_fw_ready(scsi_qla_host_t *vha)
4017 {
4018 	int		rval;
4019 	unsigned long	wtime, mtime, cs84xx_time;
4020 	uint16_t	min_wait;	/* Minimum wait time if loop is down */
4021 	uint16_t	wait_time;	/* Wait time if loop is coming ready */
4022 	uint16_t	state[6];
4023 	struct qla_hw_data *ha = vha->hw;
4024 
4025 	if (IS_QLAFX00(vha->hw))
4026 		return qlafx00_fw_ready(vha);
4027 
4028 	rval = QLA_SUCCESS;
4029 
4030 	/* Time to wait for loop down */
4031 	if (IS_P3P_TYPE(ha))
4032 		min_wait = 30;
4033 	else
4034 		min_wait = 20;
4035 
4036 	/*
4037 	 * Firmware should take at most one RATOV to login, plus 5 seconds for
4038 	 * our own processing.
4039 	 */
4040 	if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
4041 		wait_time = min_wait;
4042 	}
4043 
4044 	/* Min wait time if loop down */
4045 	mtime = jiffies + (min_wait * HZ);
4046 
4047 	/* wait time before firmware ready */
4048 	wtime = jiffies + (wait_time * HZ);
4049 
4050 	/* Wait for ISP to finish LIP */
4051 	if (!vha->flags.init_done)
4052 		ql_log(ql_log_info, vha, 0x801e,
4053 		    "Waiting for LIP to complete.\n");
4054 
4055 	do {
4056 		memset(state, -1, sizeof(state));
4057 		rval = qla2x00_get_firmware_state(vha, state);
4058 		if (rval == QLA_SUCCESS) {
4059 			if (state[0] < FSTATE_LOSS_OF_SYNC) {
4060 				vha->device_flags &= ~DFLG_NO_CABLE;
4061 			}
4062 			if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
4063 				ql_dbg(ql_dbg_taskm, vha, 0x801f,
4064 				    "fw_state=%x 84xx=%x.\n", state[0],
4065 				    state[2]);
4066 				if ((state[2] & FSTATE_LOGGED_IN) &&
4067 				     (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
4068 					ql_dbg(ql_dbg_taskm, vha, 0x8028,
4069 					    "Sending verify iocb.\n");
4070 
4071 					cs84xx_time = jiffies;
4072 					rval = qla84xx_init_chip(vha);
4073 					if (rval != QLA_SUCCESS) {
4074 						ql_log(ql_log_warn,
4075 						    vha, 0x8007,
4076 						    "Init chip failed.\n");
4077 						break;
4078 					}
4079 
4080 					/* Add time taken to initialize. */
4081 					cs84xx_time = jiffies - cs84xx_time;
4082 					wtime += cs84xx_time;
4083 					mtime += cs84xx_time;
4084 					ql_dbg(ql_dbg_taskm, vha, 0x8008,
4085 					    "Increasing wait time by %ld. "
4086 					    "New time %ld.\n", cs84xx_time,
4087 					    wtime);
4088 				}
4089 			} else if (state[0] == FSTATE_READY) {
4090 				ql_dbg(ql_dbg_taskm, vha, 0x8037,
4091 				    "F/W Ready - OK.\n");
4092 
4093 				qla2x00_get_retry_cnt(vha, &ha->retry_count,
4094 				    &ha->login_timeout, &ha->r_a_tov);
4095 
4096 				rval = QLA_SUCCESS;
4097 				break;
4098 			}
4099 
4100 			rval = QLA_FUNCTION_FAILED;
4101 
4102 			if (atomic_read(&vha->loop_down_timer) &&
4103 			    state[0] != FSTATE_READY) {
4104 				/* Loop down. Timeout on min_wait for states
4105 				 * other than Wait for Login.
4106 				 */
4107 				if (time_after_eq(jiffies, mtime)) {
4108 					ql_log(ql_log_info, vha, 0x8038,
4109 					    "Cable is unplugged...\n");
4110 
4111 					vha->device_flags |= DFLG_NO_CABLE;
4112 					break;
4113 				}
4114 			}
4115 		} else {
4116 			/* Mailbox cmd failed. Timeout on min_wait. */
4117 			if (time_after_eq(jiffies, mtime) ||
4118 				ha->flags.isp82xx_fw_hung)
4119 				break;
4120 		}
4121 
4122 		if (time_after_eq(jiffies, wtime))
4123 			break;
4124 
4125 		/* Delay for a while */
4126 		msleep(500);
4127 	} while (1);
4128 
4129 	ql_dbg(ql_dbg_taskm, vha, 0x803a,
4130 	    "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
4131 	    state[1], state[2], state[3], state[4], state[5], jiffies);
4132 
4133 	if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
4134 		ql_log(ql_log_warn, vha, 0x803b,
4135 		    "Firmware ready **** FAILED ****.\n");
4136 	}
4137 
4138 	return (rval);
4139 }
4140 
4141 /*
4142 *  qla2x00_configure_hba
4143 *      Setup adapter context.
4144 *
4145 * Input:
4146 *      ha = adapter state pointer.
4147 *
4148 * Returns:
4149 *      0 = success
4150 *
4151 * Context:
4152 *      Kernel context.
4153 */
4154 static int
4155 qla2x00_configure_hba(scsi_qla_host_t *vha)
4156 {
4157 	int       rval;
4158 	uint16_t      loop_id;
4159 	uint16_t      topo;
4160 	uint16_t      sw_cap;
4161 	uint8_t       al_pa;
4162 	uint8_t       area;
4163 	uint8_t       domain;
4164 	char		connect_type[22];
4165 	struct qla_hw_data *ha = vha->hw;
4166 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4167 	port_id_t id;
4168 	unsigned long flags;
4169 
4170 	/* Get host addresses. */
4171 	rval = qla2x00_get_adapter_id(vha,
4172 	    &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
4173 	if (rval != QLA_SUCCESS) {
4174 		if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
4175 		    IS_CNA_CAPABLE(ha) ||
4176 		    (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
4177 			ql_dbg(ql_dbg_disc, vha, 0x2008,
4178 			    "Loop is in a transition state.\n");
4179 		} else {
4180 			ql_log(ql_log_warn, vha, 0x2009,
4181 			    "Unable to get host loop ID.\n");
4182 			if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
4183 			    (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
4184 				ql_log(ql_log_warn, vha, 0x1151,
4185 				    "Doing link init.\n");
4186 				if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
4187 					return rval;
4188 			}
4189 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4190 		}
4191 		return (rval);
4192 	}
4193 
4194 	if (topo == 4) {
4195 		ql_log(ql_log_info, vha, 0x200a,
4196 		    "Cannot get topology - retrying.\n");
4197 		return (QLA_FUNCTION_FAILED);
4198 	}
4199 
4200 	vha->loop_id = loop_id;
4201 
4202 	/* initialize */
4203 	ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4204 	ha->operating_mode = LOOP;
4205 	ha->switch_cap = 0;
4206 
4207 	switch (topo) {
4208 	case 0:
4209 		ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4210 		ha->current_topology = ISP_CFG_NL;
4211 		strcpy(connect_type, "(Loop)");
4212 		break;
4213 
4214 	case 1:
4215 		ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4216 		ha->switch_cap = sw_cap;
4217 		ha->current_topology = ISP_CFG_FL;
4218 		strcpy(connect_type, "(FL_Port)");
4219 		break;
4220 
4221 	case 2:
4222 		ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
4223 		ha->operating_mode = P2P;
4224 		ha->current_topology = ISP_CFG_N;
4225 		strcpy(connect_type, "(N_Port-to-N_Port)");
4226 		break;
4227 
4228 	case 3:
4229 		ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4230 		ha->switch_cap = sw_cap;
4231 		ha->operating_mode = P2P;
4232 		ha->current_topology = ISP_CFG_F;
4233 		strcpy(connect_type, "(F_Port)");
4234 		break;
4235 
4236 	default:
4237 		ql_dbg(ql_dbg_disc, vha, 0x200f,
4238 		    "HBA in unknown topology %x, using NL.\n", topo);
4239 		ha->current_topology = ISP_CFG_NL;
4240 		strcpy(connect_type, "(Loop)");
4241 		break;
4242 	}
4243 
4244 	/* Save Host port and loop ID. */
4245 	/* byte order - Big Endian */
4246 	id.b.domain = domain;
4247 	id.b.area = area;
4248 	id.b.al_pa = al_pa;
4249 	id.b.rsvd_1 = 0;
4250 	spin_lock_irqsave(&ha->hardware_lock, flags);
4251 	if (!(topo == 2 && ha->flags.n2n_bigger))
4252 		qlt_update_host_map(vha, id);
4253 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
4254 
4255 	if (!vha->flags.init_done)
4256 		ql_log(ql_log_info, vha, 0x2010,
4257 		    "Topology - %s, Host Loop address 0x%x.\n",
4258 		    connect_type, vha->loop_id);
4259 
4260 	return(rval);
4261 }
4262 
4263 inline void
4264 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4265 	char *def)
4266 {
4267 	char *st, *en;
4268 	uint16_t index;
4269 	struct qla_hw_data *ha = vha->hw;
4270 	int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4271 	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4272 
4273 	if (memcmp(model, BINZERO, len) != 0) {
4274 		strncpy(ha->model_number, model, len);
4275 		st = en = ha->model_number;
4276 		en += len - 1;
4277 		while (en > st) {
4278 			if (*en != 0x20 && *en != 0x00)
4279 				break;
4280 			*en-- = '\0';
4281 		}
4282 
4283 		index = (ha->pdev->subsystem_device & 0xff);
4284 		if (use_tbl &&
4285 		    ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4286 		    index < QLA_MODEL_NAMES)
4287 			strncpy(ha->model_desc,
4288 			    qla2x00_model_name[index * 2 + 1],
4289 			    sizeof(ha->model_desc) - 1);
4290 	} else {
4291 		index = (ha->pdev->subsystem_device & 0xff);
4292 		if (use_tbl &&
4293 		    ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4294 		    index < QLA_MODEL_NAMES) {
4295 			strcpy(ha->model_number,
4296 			    qla2x00_model_name[index * 2]);
4297 			strncpy(ha->model_desc,
4298 			    qla2x00_model_name[index * 2 + 1],
4299 			    sizeof(ha->model_desc) - 1);
4300 		} else {
4301 			strcpy(ha->model_number, def);
4302 		}
4303 	}
4304 	if (IS_FWI2_CAPABLE(ha))
4305 		qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4306 		    sizeof(ha->model_desc));
4307 }
4308 
4309 /* On sparc systems, obtain port and node WWN from firmware
4310  * properties.
4311  */
4312 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4313 {
4314 #ifdef CONFIG_SPARC
4315 	struct qla_hw_data *ha = vha->hw;
4316 	struct pci_dev *pdev = ha->pdev;
4317 	struct device_node *dp = pci_device_to_OF_node(pdev);
4318 	const u8 *val;
4319 	int len;
4320 
4321 	val = of_get_property(dp, "port-wwn", &len);
4322 	if (val && len >= WWN_SIZE)
4323 		memcpy(nv->port_name, val, WWN_SIZE);
4324 
4325 	val = of_get_property(dp, "node-wwn", &len);
4326 	if (val && len >= WWN_SIZE)
4327 		memcpy(nv->node_name, val, WWN_SIZE);
4328 #endif
4329 }
4330 
4331 /*
4332 * NVRAM configuration for ISP 2xxx
4333 *
4334 * Input:
4335 *      ha                = adapter block pointer.
4336 *
4337 * Output:
4338 *      initialization control block in response_ring
4339 *      host adapters parameters in host adapter block
4340 *
4341 * Returns:
4342 *      0 = success.
4343 */
4344 int
4345 qla2x00_nvram_config(scsi_qla_host_t *vha)
4346 {
4347 	int             rval;
4348 	uint8_t         chksum = 0;
4349 	uint16_t        cnt;
4350 	uint8_t         *dptr1, *dptr2;
4351 	struct qla_hw_data *ha = vha->hw;
4352 	init_cb_t       *icb = ha->init_cb;
4353 	nvram_t         *nv = ha->nvram;
4354 	uint8_t         *ptr = ha->nvram;
4355 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4356 
4357 	rval = QLA_SUCCESS;
4358 
4359 	/* Determine NVRAM starting address. */
4360 	ha->nvram_size = sizeof(nvram_t);
4361 	ha->nvram_base = 0;
4362 	if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
4363 		if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
4364 			ha->nvram_base = 0x80;
4365 
4366 	/* Get NVRAM data and calculate checksum. */
4367 	ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4368 	for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
4369 		chksum += *ptr++;
4370 
4371 	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
4372 	    "Contents of NVRAM.\n");
4373 	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4374 	    (uint8_t *)nv, ha->nvram_size);
4375 
4376 	/* Bad NVRAM data, set defaults parameters. */
4377 	if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
4378 	    nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
4379 		/* Reset NVRAM data. */
4380 		ql_log(ql_log_warn, vha, 0x0064,
4381 		    "Inconsistent NVRAM "
4382 		    "detected: checksum=0x%x id=%c version=0x%x.\n",
4383 		    chksum, nv->id[0], nv->nvram_version);
4384 		ql_log(ql_log_warn, vha, 0x0065,
4385 		    "Falling back to "
4386 		    "functioning (yet invalid -- WWPN) defaults.\n");
4387 
4388 		/*
4389 		 * Set default initialization control block.
4390 		 */
4391 		memset(nv, 0, ha->nvram_size);
4392 		nv->parameter_block_version = ICB_VERSION;
4393 
4394 		if (IS_QLA23XX(ha)) {
4395 			nv->firmware_options[0] = BIT_2 | BIT_1;
4396 			nv->firmware_options[1] = BIT_7 | BIT_5;
4397 			nv->add_firmware_options[0] = BIT_5;
4398 			nv->add_firmware_options[1] = BIT_5 | BIT_4;
4399 			nv->frame_payload_size = 2048;
4400 			nv->special_options[1] = BIT_7;
4401 		} else if (IS_QLA2200(ha)) {
4402 			nv->firmware_options[0] = BIT_2 | BIT_1;
4403 			nv->firmware_options[1] = BIT_7 | BIT_5;
4404 			nv->add_firmware_options[0] = BIT_5;
4405 			nv->add_firmware_options[1] = BIT_5 | BIT_4;
4406 			nv->frame_payload_size = 1024;
4407 		} else if (IS_QLA2100(ha)) {
4408 			nv->firmware_options[0] = BIT_3 | BIT_1;
4409 			nv->firmware_options[1] = BIT_5;
4410 			nv->frame_payload_size = 1024;
4411 		}
4412 
4413 		nv->max_iocb_allocation = cpu_to_le16(256);
4414 		nv->execution_throttle = cpu_to_le16(16);
4415 		nv->retry_count = 8;
4416 		nv->retry_delay = 1;
4417 
4418 		nv->port_name[0] = 33;
4419 		nv->port_name[3] = 224;
4420 		nv->port_name[4] = 139;
4421 
4422 		qla2xxx_nvram_wwn_from_ofw(vha, nv);
4423 
4424 		nv->login_timeout = 4;
4425 
4426 		/*
4427 		 * Set default host adapter parameters
4428 		 */
4429 		nv->host_p[1] = BIT_2;
4430 		nv->reset_delay = 5;
4431 		nv->port_down_retry_count = 8;
4432 		nv->max_luns_per_target = cpu_to_le16(8);
4433 		nv->link_down_timeout = 60;
4434 
4435 		rval = 1;
4436 	}
4437 
4438 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
4439 	/*
4440 	 * The SN2 does not provide BIOS emulation which means you can't change
4441 	 * potentially bogus BIOS settings. Force the use of default settings
4442 	 * for link rate and frame size.  Hope that the rest of the settings
4443 	 * are valid.
4444 	 */
4445 	if (ia64_platform_is("sn2")) {
4446 		nv->frame_payload_size = 2048;
4447 		if (IS_QLA23XX(ha))
4448 			nv->special_options[1] = BIT_7;
4449 	}
4450 #endif
4451 
4452 	/* Reset Initialization control block */
4453 	memset(icb, 0, ha->init_cb_size);
4454 
4455 	/*
4456 	 * Setup driver NVRAM options.
4457 	 */
4458 	nv->firmware_options[0] |= (BIT_6 | BIT_1);
4459 	nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
4460 	nv->firmware_options[1] |= (BIT_5 | BIT_0);
4461 	nv->firmware_options[1] &= ~BIT_4;
4462 
4463 	if (IS_QLA23XX(ha)) {
4464 		nv->firmware_options[0] |= BIT_2;
4465 		nv->firmware_options[0] &= ~BIT_3;
4466 		nv->special_options[0] &= ~BIT_6;
4467 		nv->add_firmware_options[1] |= BIT_5 | BIT_4;
4468 
4469 		if (IS_QLA2300(ha)) {
4470 			if (ha->fb_rev == FPM_2310) {
4471 				strcpy(ha->model_number, "QLA2310");
4472 			} else {
4473 				strcpy(ha->model_number, "QLA2300");
4474 			}
4475 		} else {
4476 			qla2x00_set_model_info(vha, nv->model_number,
4477 			    sizeof(nv->model_number), "QLA23xx");
4478 		}
4479 	} else if (IS_QLA2200(ha)) {
4480 		nv->firmware_options[0] |= BIT_2;
4481 		/*
4482 		 * 'Point-to-point preferred, else loop' is not a safe
4483 		 * connection mode setting.
4484 		 */
4485 		if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
4486 		    (BIT_5 | BIT_4)) {
4487 			/* Force 'loop preferred, else point-to-point'. */
4488 			nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
4489 			nv->add_firmware_options[0] |= BIT_5;
4490 		}
4491 		strcpy(ha->model_number, "QLA22xx");
4492 	} else /*if (IS_QLA2100(ha))*/ {
4493 		strcpy(ha->model_number, "QLA2100");
4494 	}
4495 
4496 	/*
4497 	 * Copy over NVRAM RISC parameter block to initialization control block.
4498 	 */
4499 	dptr1 = (uint8_t *)icb;
4500 	dptr2 = (uint8_t *)&nv->parameter_block_version;
4501 	cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
4502 	while (cnt--)
4503 		*dptr1++ = *dptr2++;
4504 
4505 	/* Copy 2nd half. */
4506 	dptr1 = (uint8_t *)icb->add_firmware_options;
4507 	cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
4508 	while (cnt--)
4509 		*dptr1++ = *dptr2++;
4510 	ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
4511 	/* Use alternate WWN? */
4512 	if (nv->host_p[1] & BIT_7) {
4513 		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4514 		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4515 	}
4516 
4517 	/* Prepare nodename */
4518 	if ((icb->firmware_options[1] & BIT_6) == 0) {
4519 		/*
4520 		 * Firmware will apply the following mask if the nodename was
4521 		 * not provided.
4522 		 */
4523 		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4524 		icb->node_name[0] &= 0xF0;
4525 	}
4526 
4527 	/*
4528 	 * Set host adapter parameters.
4529 	 */
4530 
4531 	/*
4532 	 * BIT_7 in the host-parameters section allows for modification to
4533 	 * internal driver logging.
4534 	 */
4535 	if (nv->host_p[0] & BIT_7)
4536 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
4537 	ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
4538 	/* Always load RISC code on non ISP2[12]00 chips. */
4539 	if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
4540 		ha->flags.disable_risc_code_load = 0;
4541 	ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
4542 	ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
4543 	ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
4544 	ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
4545 	ha->flags.disable_serdes = 0;
4546 
4547 	ha->operating_mode =
4548 	    (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
4549 
4550 	memcpy(ha->fw_seriallink_options, nv->seriallink_options,
4551 	    sizeof(ha->fw_seriallink_options));
4552 
4553 	/* save HBA serial number */
4554 	ha->serial0 = icb->port_name[5];
4555 	ha->serial1 = icb->port_name[6];
4556 	ha->serial2 = icb->port_name[7];
4557 	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4558 	memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4559 
4560 	icb->execution_throttle = cpu_to_le16(0xFFFF);
4561 
4562 	ha->retry_count = nv->retry_count;
4563 
4564 	/* Set minimum login_timeout to 4 seconds. */
4565 	if (nv->login_timeout != ql2xlogintimeout)
4566 		nv->login_timeout = ql2xlogintimeout;
4567 	if (nv->login_timeout < 4)
4568 		nv->login_timeout = 4;
4569 	ha->login_timeout = nv->login_timeout;
4570 
4571 	/* Set minimum RATOV to 100 tenths of a second. */
4572 	ha->r_a_tov = 100;
4573 
4574 	ha->loop_reset_delay = nv->reset_delay;
4575 
4576 	/* Link Down Timeout = 0:
4577 	 *
4578 	 * 	When Port Down timer expires we will start returning
4579 	 *	I/O's to OS with "DID_NO_CONNECT".
4580 	 *
4581 	 * Link Down Timeout != 0:
4582 	 *
4583 	 *	 The driver waits for the link to come up after link down
4584 	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
4585 	 */
4586 	if (nv->link_down_timeout == 0) {
4587 		ha->loop_down_abort_time =
4588 		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4589 	} else {
4590 		ha->link_down_timeout =	 nv->link_down_timeout;
4591 		ha->loop_down_abort_time =
4592 		    (LOOP_DOWN_TIME - ha->link_down_timeout);
4593 	}
4594 
4595 	/*
4596 	 * Need enough time to try and get the port back.
4597 	 */
4598 	ha->port_down_retry_count = nv->port_down_retry_count;
4599 	if (qlport_down_retry)
4600 		ha->port_down_retry_count = qlport_down_retry;
4601 	/* Set login_retry_count */
4602 	ha->login_retry_count  = nv->retry_count;
4603 	if (ha->port_down_retry_count == nv->port_down_retry_count &&
4604 	    ha->port_down_retry_count > 3)
4605 		ha->login_retry_count = ha->port_down_retry_count;
4606 	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4607 		ha->login_retry_count = ha->port_down_retry_count;
4608 	if (ql2xloginretrycount)
4609 		ha->login_retry_count = ql2xloginretrycount;
4610 
4611 	icb->lun_enables = cpu_to_le16(0);
4612 	icb->command_resource_count = 0;
4613 	icb->immediate_notify_resource_count = 0;
4614 	icb->timeout = cpu_to_le16(0);
4615 
4616 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4617 		/* Enable RIO */
4618 		icb->firmware_options[0] &= ~BIT_3;
4619 		icb->add_firmware_options[0] &=
4620 		    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4621 		icb->add_firmware_options[0] |= BIT_2;
4622 		icb->response_accumulation_timer = 3;
4623 		icb->interrupt_delay_timer = 5;
4624 
4625 		vha->flags.process_response_queue = 1;
4626 	} else {
4627 		/* Enable ZIO. */
4628 		if (!vha->flags.init_done) {
4629 			ha->zio_mode = icb->add_firmware_options[0] &
4630 			    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4631 			ha->zio_timer = icb->interrupt_delay_timer ?
4632 			    icb->interrupt_delay_timer: 2;
4633 		}
4634 		icb->add_firmware_options[0] &=
4635 		    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4636 		vha->flags.process_response_queue = 0;
4637 		if (ha->zio_mode != QLA_ZIO_DISABLED) {
4638 			ha->zio_mode = QLA_ZIO_MODE_6;
4639 
4640 			ql_log(ql_log_info, vha, 0x0068,
4641 			    "ZIO mode %d enabled; timer delay (%d us).\n",
4642 			    ha->zio_mode, ha->zio_timer * 100);
4643 
4644 			icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
4645 			icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
4646 			vha->flags.process_response_queue = 1;
4647 		}
4648 	}
4649 
4650 	if (rval) {
4651 		ql_log(ql_log_warn, vha, 0x0069,
4652 		    "NVRAM configuration failed.\n");
4653 	}
4654 	return (rval);
4655 }
4656 
4657 static void
4658 qla2x00_rport_del(void *data)
4659 {
4660 	fc_port_t *fcport = data;
4661 	struct fc_rport *rport;
4662 	unsigned long flags;
4663 
4664 	spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4665 	rport = fcport->drport ? fcport->drport: fcport->rport;
4666 	fcport->drport = NULL;
4667 	spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4668 	if (rport) {
4669 		ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
4670 		    "%s %8phN. rport %p roles %x\n",
4671 		    __func__, fcport->port_name, rport,
4672 		    rport->roles);
4673 
4674 		fc_remote_port_delete(rport);
4675 	}
4676 }
4677 
4678 /**
4679  * qla2x00_alloc_fcport() - Allocate a generic fcport.
4680  * @vha: HA context
4681  * @flags: allocation flags
4682  *
4683  * Returns a pointer to the allocated fcport, or NULL, if none available.
4684  */
4685 fc_port_t *
4686 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
4687 {
4688 	fc_port_t *fcport;
4689 
4690 	fcport = kzalloc(sizeof(fc_port_t), flags);
4691 	if (!fcport)
4692 		return NULL;
4693 
4694 	fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
4695 		sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
4696 		flags);
4697 	if (!fcport->ct_desc.ct_sns) {
4698 		ql_log(ql_log_warn, vha, 0xd049,
4699 		    "Failed to allocate ct_sns request.\n");
4700 		kfree(fcport);
4701 		return NULL;
4702 	}
4703 
4704 	/* Setup fcport template structure. */
4705 	fcport->vha = vha;
4706 	fcport->port_type = FCT_UNKNOWN;
4707 	fcport->loop_id = FC_NO_LOOP_ID;
4708 	qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
4709 	fcport->supported_classes = FC_COS_UNSPECIFIED;
4710 	fcport->fp_speed = PORT_SPEED_UNKNOWN;
4711 
4712 	fcport->disc_state = DSC_DELETED;
4713 	fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4714 	fcport->deleted = QLA_SESS_DELETED;
4715 	fcport->login_retry = vha->hw->login_retry_count;
4716 	fcport->chip_reset = vha->hw->base_qpair->chip_reset;
4717 	fcport->logout_on_delete = 1;
4718 
4719 	if (!fcport->ct_desc.ct_sns) {
4720 		ql_log(ql_log_warn, vha, 0xd049,
4721 		    "Failed to allocate ct_sns request.\n");
4722 		kfree(fcport);
4723 		fcport = NULL;
4724 	}
4725 
4726 	INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
4727 	INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
4728 	INIT_LIST_HEAD(&fcport->gnl_entry);
4729 	INIT_LIST_HEAD(&fcport->list);
4730 
4731 	return fcport;
4732 }
4733 
4734 void
4735 qla2x00_free_fcport(fc_port_t *fcport)
4736 {
4737 	if (fcport->ct_desc.ct_sns) {
4738 		dma_free_coherent(&fcport->vha->hw->pdev->dev,
4739 			sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
4740 			fcport->ct_desc.ct_sns_dma);
4741 
4742 		fcport->ct_desc.ct_sns = NULL;
4743 	}
4744 	kfree(fcport);
4745 }
4746 
4747 /*
4748  * qla2x00_configure_loop
4749  *      Updates Fibre Channel Device Database with what is actually on loop.
4750  *
4751  * Input:
4752  *      ha                = adapter block pointer.
4753  *
4754  * Returns:
4755  *      0 = success.
4756  *      1 = error.
4757  *      2 = database was full and device was not configured.
4758  */
4759 static int
4760 qla2x00_configure_loop(scsi_qla_host_t *vha)
4761 {
4762 	int  rval;
4763 	unsigned long flags, save_flags;
4764 	struct qla_hw_data *ha = vha->hw;
4765 	rval = QLA_SUCCESS;
4766 
4767 	/* Get Initiator ID */
4768 	if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
4769 		rval = qla2x00_configure_hba(vha);
4770 		if (rval != QLA_SUCCESS) {
4771 			ql_dbg(ql_dbg_disc, vha, 0x2013,
4772 			    "Unable to configure HBA.\n");
4773 			return (rval);
4774 		}
4775 	}
4776 
4777 	save_flags = flags = vha->dpc_flags;
4778 	ql_dbg(ql_dbg_disc, vha, 0x2014,
4779 	    "Configure loop -- dpc flags = 0x%lx.\n", flags);
4780 
4781 	/*
4782 	 * If we have both an RSCN and PORT UPDATE pending then handle them
4783 	 * both at the same time.
4784 	 */
4785 	clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4786 	clear_bit(RSCN_UPDATE, &vha->dpc_flags);
4787 
4788 	qla2x00_get_data_rate(vha);
4789 
4790 	/* Determine what we need to do */
4791 	if (ha->current_topology == ISP_CFG_FL &&
4792 	    (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4793 
4794 		set_bit(RSCN_UPDATE, &flags);
4795 
4796 	} else if (ha->current_topology == ISP_CFG_F &&
4797 	    (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4798 
4799 		set_bit(RSCN_UPDATE, &flags);
4800 		clear_bit(LOCAL_LOOP_UPDATE, &flags);
4801 
4802 	} else if (ha->current_topology == ISP_CFG_N) {
4803 		clear_bit(RSCN_UPDATE, &flags);
4804 		if (qla_tgt_mode_enabled(vha)) {
4805 			/* allow the other side to start the login */
4806 			clear_bit(LOCAL_LOOP_UPDATE, &flags);
4807 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4808 		}
4809 	} else if (ha->current_topology == ISP_CFG_NL) {
4810 		clear_bit(RSCN_UPDATE, &flags);
4811 		set_bit(LOCAL_LOOP_UPDATE, &flags);
4812 	} else if (!vha->flags.online ||
4813 	    (test_bit(ABORT_ISP_ACTIVE, &flags))) {
4814 		set_bit(RSCN_UPDATE, &flags);
4815 		set_bit(LOCAL_LOOP_UPDATE, &flags);
4816 	}
4817 
4818 	if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
4819 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4820 			ql_dbg(ql_dbg_disc, vha, 0x2015,
4821 			    "Loop resync needed, failing.\n");
4822 			rval = QLA_FUNCTION_FAILED;
4823 		} else
4824 			rval = qla2x00_configure_local_loop(vha);
4825 	}
4826 
4827 	if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
4828 		if (LOOP_TRANSITION(vha)) {
4829 			ql_dbg(ql_dbg_disc, vha, 0x2099,
4830 			    "Needs RSCN update and loop transition.\n");
4831 			rval = QLA_FUNCTION_FAILED;
4832 		}
4833 		else
4834 			rval = qla2x00_configure_fabric(vha);
4835 	}
4836 
4837 	if (rval == QLA_SUCCESS) {
4838 		if (atomic_read(&vha->loop_down_timer) ||
4839 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4840 			rval = QLA_FUNCTION_FAILED;
4841 		} else {
4842 			atomic_set(&vha->loop_state, LOOP_READY);
4843 			ql_dbg(ql_dbg_disc, vha, 0x2069,
4844 			    "LOOP READY.\n");
4845 			ha->flags.fw_init_done = 1;
4846 
4847 			/*
4848 			 * Process any ATIO queue entries that came in
4849 			 * while we weren't online.
4850 			 */
4851 			if (qla_tgt_mode_enabled(vha) ||
4852 			    qla_dual_mode_enabled(vha)) {
4853 				spin_lock_irqsave(&ha->tgt.atio_lock, flags);
4854 				qlt_24xx_process_atio_queue(vha, 0);
4855 				spin_unlock_irqrestore(&ha->tgt.atio_lock,
4856 				    flags);
4857 			}
4858 		}
4859 	}
4860 
4861 	if (rval) {
4862 		ql_dbg(ql_dbg_disc, vha, 0x206a,
4863 		    "%s *** FAILED ***.\n", __func__);
4864 	} else {
4865 		ql_dbg(ql_dbg_disc, vha, 0x206b,
4866 		    "%s: exiting normally.\n", __func__);
4867 	}
4868 
4869 	/* Restore state if a resync event occurred during processing */
4870 	if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4871 		if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
4872 			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4873 		if (test_bit(RSCN_UPDATE, &save_flags)) {
4874 			set_bit(RSCN_UPDATE, &vha->dpc_flags);
4875 		}
4876 	}
4877 
4878 	return (rval);
4879 }
4880 
4881 /*
4882  * qla2x00_configure_local_loop
4883  *	Updates Fibre Channel Device Database with local loop devices.
4884  *
4885  * Input:
4886  *	ha = adapter block pointer.
4887  *
4888  * Returns:
4889  *	0 = success.
4890  */
4891 static int
4892 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
4893 {
4894 	int		rval, rval2;
4895 	int		found_devs;
4896 	int		found;
4897 	fc_port_t	*fcport, *new_fcport;
4898 
4899 	uint16_t	index;
4900 	uint16_t	entries;
4901 	char		*id_iter;
4902 	uint16_t	loop_id;
4903 	uint8_t		domain, area, al_pa;
4904 	struct qla_hw_data *ha = vha->hw;
4905 	unsigned long flags;
4906 
4907 	/* Inititae N2N login. */
4908 	if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
4909 		/* borrowing */
4910 		u32 *bp, i, sz;
4911 
4912 		memset(ha->init_cb, 0, ha->init_cb_size);
4913 		sz = min_t(int, sizeof(struct els_plogi_payload),
4914 		    ha->init_cb_size);
4915 		rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
4916 		    (void *)ha->init_cb, sz);
4917 		if (rval == QLA_SUCCESS) {
4918 			bp = (uint32_t *)ha->init_cb;
4919 			for (i = 0; i < sz/4 ; i++, bp++)
4920 				*bp = cpu_to_be32(*bp);
4921 
4922 			memcpy(&ha->plogi_els_payld.data, (void *)ha->init_cb,
4923 			    sizeof(ha->plogi_els_payld.data));
4924 			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4925 		} else {
4926 			ql_dbg(ql_dbg_init, vha, 0x00d1,
4927 			    "PLOGI ELS param read fail.\n");
4928 		}
4929 		return QLA_SUCCESS;
4930 	}
4931 
4932 	found_devs = 0;
4933 	new_fcport = NULL;
4934 	entries = MAX_FIBRE_DEVICES_LOOP;
4935 
4936 	/* Get list of logged in devices. */
4937 	memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
4938 	rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
4939 	    &entries);
4940 	if (rval != QLA_SUCCESS)
4941 		goto cleanup_allocation;
4942 
4943 	ql_dbg(ql_dbg_disc, vha, 0x2011,
4944 	    "Entries in ID list (%d).\n", entries);
4945 	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
4946 	    (uint8_t *)ha->gid_list,
4947 	    entries * sizeof(struct gid_list_info));
4948 
4949 	if (entries == 0) {
4950 		spin_lock_irqsave(&vha->work_lock, flags);
4951 		vha->scan.scan_retry++;
4952 		spin_unlock_irqrestore(&vha->work_lock, flags);
4953 
4954 		if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
4955 			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4956 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4957 		}
4958 	} else {
4959 		vha->scan.scan_retry = 0;
4960 	}
4961 
4962 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
4963 		fcport->scan_state = QLA_FCPORT_SCAN;
4964 	}
4965 
4966 	/* Allocate temporary fcport for any new fcports discovered. */
4967 	new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4968 	if (new_fcport == NULL) {
4969 		ql_log(ql_log_warn, vha, 0x2012,
4970 		    "Memory allocation failed for fcport.\n");
4971 		rval = QLA_MEMORY_ALLOC_FAILED;
4972 		goto cleanup_allocation;
4973 	}
4974 	new_fcport->flags &= ~FCF_FABRIC_DEVICE;
4975 
4976 	/* Add devices to port list. */
4977 	id_iter = (char *)ha->gid_list;
4978 	for (index = 0; index < entries; index++) {
4979 		domain = ((struct gid_list_info *)id_iter)->domain;
4980 		area = ((struct gid_list_info *)id_iter)->area;
4981 		al_pa = ((struct gid_list_info *)id_iter)->al_pa;
4982 		if (IS_QLA2100(ha) || IS_QLA2200(ha))
4983 			loop_id = (uint16_t)
4984 			    ((struct gid_list_info *)id_iter)->loop_id_2100;
4985 		else
4986 			loop_id = le16_to_cpu(
4987 			    ((struct gid_list_info *)id_iter)->loop_id);
4988 		id_iter += ha->gid_list_info_size;
4989 
4990 		/* Bypass reserved domain fields. */
4991 		if ((domain & 0xf0) == 0xf0)
4992 			continue;
4993 
4994 		/* Bypass if not same domain and area of adapter. */
4995 		if (area && domain && ((area != vha->d_id.b.area) ||
4996 		    (domain != vha->d_id.b.domain)) &&
4997 		    (ha->current_topology == ISP_CFG_NL))
4998 			continue;
4999 
5000 
5001 		/* Bypass invalid local loop ID. */
5002 		if (loop_id > LAST_LOCAL_LOOP_ID)
5003 			continue;
5004 
5005 		memset(new_fcport->port_name, 0, WWN_SIZE);
5006 
5007 		/* Fill in member data. */
5008 		new_fcport->d_id.b.domain = domain;
5009 		new_fcport->d_id.b.area = area;
5010 		new_fcport->d_id.b.al_pa = al_pa;
5011 		new_fcport->loop_id = loop_id;
5012 		new_fcport->scan_state = QLA_FCPORT_FOUND;
5013 
5014 		rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5015 		if (rval2 != QLA_SUCCESS) {
5016 			ql_dbg(ql_dbg_disc, vha, 0x2097,
5017 			    "Failed to retrieve fcport information "
5018 			    "-- get_port_database=%x, loop_id=0x%04x.\n",
5019 			    rval2, new_fcport->loop_id);
5020 			/* Skip retry if N2N */
5021 			if (ha->current_topology != ISP_CFG_N) {
5022 				ql_dbg(ql_dbg_disc, vha, 0x2105,
5023 				    "Scheduling resync.\n");
5024 				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5025 				continue;
5026 			}
5027 		}
5028 
5029 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5030 		/* Check for matching device in port list. */
5031 		found = 0;
5032 		fcport = NULL;
5033 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
5034 			if (memcmp(new_fcport->port_name, fcport->port_name,
5035 			    WWN_SIZE))
5036 				continue;
5037 
5038 			fcport->flags &= ~FCF_FABRIC_DEVICE;
5039 			fcport->loop_id = new_fcport->loop_id;
5040 			fcport->port_type = new_fcport->port_type;
5041 			fcport->d_id.b24 = new_fcport->d_id.b24;
5042 			memcpy(fcport->node_name, new_fcport->node_name,
5043 			    WWN_SIZE);
5044 			fcport->scan_state = QLA_FCPORT_FOUND;
5045 			found++;
5046 			break;
5047 		}
5048 
5049 		if (!found) {
5050 			/* New device, add to fcports list. */
5051 			list_add_tail(&new_fcport->list, &vha->vp_fcports);
5052 
5053 			/* Allocate a new replacement fcport. */
5054 			fcport = new_fcport;
5055 
5056 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5057 
5058 			new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5059 
5060 			if (new_fcport == NULL) {
5061 				ql_log(ql_log_warn, vha, 0xd031,
5062 				    "Failed to allocate memory for fcport.\n");
5063 				rval = QLA_MEMORY_ALLOC_FAILED;
5064 				goto cleanup_allocation;
5065 			}
5066 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5067 			new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5068 		}
5069 
5070 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5071 
5072 		/* Base iIDMA settings on HBA port speed. */
5073 		fcport->fp_speed = ha->link_data_rate;
5074 
5075 		found_devs++;
5076 	}
5077 
5078 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5079 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5080 			break;
5081 
5082 		if (fcport->scan_state == QLA_FCPORT_SCAN) {
5083 			if ((qla_dual_mode_enabled(vha) ||
5084 			    qla_ini_mode_enabled(vha)) &&
5085 			    atomic_read(&fcport->state) == FCS_ONLINE) {
5086 				qla2x00_mark_device_lost(vha, fcport,
5087 					ql2xplogiabsentdevice, 0);
5088 				if (fcport->loop_id != FC_NO_LOOP_ID &&
5089 				    (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5090 				    fcport->port_type != FCT_INITIATOR &&
5091 				    fcport->port_type != FCT_BROADCAST) {
5092 					ql_dbg(ql_dbg_disc, vha, 0x20f0,
5093 					    "%s %d %8phC post del sess\n",
5094 					    __func__, __LINE__,
5095 					    fcport->port_name);
5096 
5097 					qlt_schedule_sess_for_deletion(fcport);
5098 					continue;
5099 				}
5100 			}
5101 		}
5102 
5103 		if (fcport->scan_state == QLA_FCPORT_FOUND)
5104 			qla24xx_fcport_handle_login(vha, fcport);
5105 	}
5106 
5107 cleanup_allocation:
5108 	kfree(new_fcport);
5109 
5110 	if (rval != QLA_SUCCESS) {
5111 		ql_dbg(ql_dbg_disc, vha, 0x2098,
5112 		    "Configure local loop error exit: rval=%x.\n", rval);
5113 	}
5114 
5115 	return (rval);
5116 }
5117 
5118 static void
5119 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5120 {
5121 	int rval;
5122 	uint16_t mb[MAILBOX_REGISTER_COUNT];
5123 	struct qla_hw_data *ha = vha->hw;
5124 
5125 	if (!IS_IIDMA_CAPABLE(ha))
5126 		return;
5127 
5128 	if (atomic_read(&fcport->state) != FCS_ONLINE)
5129 		return;
5130 
5131 	if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5132 	    fcport->fp_speed > ha->link_data_rate ||
5133 	    !ha->flags.gpsc_supported)
5134 		return;
5135 
5136 	rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5137 	    mb);
5138 	if (rval != QLA_SUCCESS) {
5139 		ql_dbg(ql_dbg_disc, vha, 0x2004,
5140 		    "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5141 		    fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5142 	} else {
5143 		ql_dbg(ql_dbg_disc, vha, 0x2005,
5144 		    "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5145 		    qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5146 		    fcport->fp_speed, fcport->port_name);
5147 	}
5148 }
5149 
5150 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5151 {
5152 	qla2x00_iidma_fcport(vha, fcport);
5153 	qla24xx_update_fcport_fcp_prio(vha, fcport);
5154 }
5155 
5156 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5157 {
5158 	struct qla_work_evt *e;
5159 
5160 	e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5161 	if (!e)
5162 		return QLA_FUNCTION_FAILED;
5163 
5164 	e->u.fcport.fcport = fcport;
5165 	return qla2x00_post_work(vha, e);
5166 }
5167 
5168 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5169 static void
5170 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5171 {
5172 	struct fc_rport_identifiers rport_ids;
5173 	struct fc_rport *rport;
5174 	unsigned long flags;
5175 
5176 	if (atomic_read(&fcport->state) == FCS_ONLINE)
5177 		return;
5178 
5179 	rport_ids.node_name = wwn_to_u64(fcport->node_name);
5180 	rport_ids.port_name = wwn_to_u64(fcport->port_name);
5181 	rport_ids.port_id = fcport->d_id.b.domain << 16 |
5182 	    fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5183 	rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5184 	fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5185 	if (!rport) {
5186 		ql_log(ql_log_warn, vha, 0x2006,
5187 		    "Unable to allocate fc remote port.\n");
5188 		return;
5189 	}
5190 
5191 	spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5192 	*((fc_port_t **)rport->dd_data) = fcport;
5193 	spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5194 
5195 	rport->supported_classes = fcport->supported_classes;
5196 
5197 	rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5198 	if (fcport->port_type == FCT_INITIATOR)
5199 		rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
5200 	if (fcport->port_type == FCT_TARGET)
5201 		rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
5202 
5203 	ql_dbg(ql_dbg_disc, vha, 0x20ee,
5204 	    "%s %8phN. rport %p is %s mode\n",
5205 	    __func__, fcport->port_name, rport,
5206 	    (fcport->port_type == FCT_TARGET) ? "tgt" : "ini");
5207 
5208 	fc_remote_port_rolechg(rport, rport_ids.roles);
5209 }
5210 
5211 /*
5212  * qla2x00_update_fcport
5213  *	Updates device on list.
5214  *
5215  * Input:
5216  *	ha = adapter block pointer.
5217  *	fcport = port structure pointer.
5218  *
5219  * Return:
5220  *	0  - Success
5221  *  BIT_0 - error
5222  *
5223  * Context:
5224  *	Kernel context.
5225  */
5226 void
5227 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5228 {
5229 	if (IS_SW_RESV_ADDR(fcport->d_id))
5230 		return;
5231 
5232 	ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5233 	    __func__, fcport->port_name);
5234 
5235 	fcport->disc_state = DSC_UPD_FCPORT;
5236 	fcport->login_retry = vha->hw->login_retry_count;
5237 	fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5238 	fcport->deleted = 0;
5239 	fcport->logout_on_delete = 1;
5240 	fcport->login_retry = vha->hw->login_retry_count;
5241 	fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
5242 
5243 	switch (vha->hw->current_topology) {
5244 	case ISP_CFG_N:
5245 	case ISP_CFG_NL:
5246 		fcport->keep_nport_handle = 1;
5247 		break;
5248 	default:
5249 		break;
5250 	}
5251 
5252 	qla2x00_iidma_fcport(vha, fcport);
5253 
5254 	if (fcport->fc4f_nvme) {
5255 		qla_nvme_register_remote(vha, fcport);
5256 		fcport->disc_state = DSC_LOGIN_COMPLETE;
5257 		qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5258 		return;
5259 	}
5260 
5261 	qla24xx_update_fcport_fcp_prio(vha, fcport);
5262 
5263 	switch (vha->host->active_mode) {
5264 	case MODE_INITIATOR:
5265 		qla2x00_reg_remote_port(vha, fcport);
5266 		break;
5267 	case MODE_TARGET:
5268 		if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5269 			!vha->vha_tgt.qla_tgt->tgt_stopped)
5270 			qlt_fc_port_added(vha, fcport);
5271 		break;
5272 	case MODE_DUAL:
5273 		qla2x00_reg_remote_port(vha, fcport);
5274 		if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5275 			!vha->vha_tgt.qla_tgt->tgt_stopped)
5276 			qlt_fc_port_added(vha, fcport);
5277 		break;
5278 	default:
5279 		break;
5280 	}
5281 
5282 	qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5283 
5284 	if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5285 		if (fcport->id_changed) {
5286 			fcport->id_changed = 0;
5287 			ql_dbg(ql_dbg_disc, vha, 0x20d7,
5288 			    "%s %d %8phC post gfpnid fcp_cnt %d\n",
5289 			    __func__, __LINE__, fcport->port_name,
5290 			    vha->fcport_count);
5291 			qla24xx_post_gfpnid_work(vha, fcport);
5292 		} else {
5293 			ql_dbg(ql_dbg_disc, vha, 0x20d7,
5294 			    "%s %d %8phC post gpsc fcp_cnt %d\n",
5295 			    __func__, __LINE__, fcport->port_name,
5296 			    vha->fcport_count);
5297 			qla24xx_post_gpsc_work(vha, fcport);
5298 		}
5299 	}
5300 
5301 	fcport->disc_state = DSC_LOGIN_COMPLETE;
5302 }
5303 
5304 void qla_register_fcport_fn(struct work_struct *work)
5305 {
5306 	fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
5307 	u32 rscn_gen = fcport->rscn_gen;
5308 	u16 data[2];
5309 
5310 	if (IS_SW_RESV_ADDR(fcport->d_id))
5311 		return;
5312 
5313 	qla2x00_update_fcport(fcport->vha, fcport);
5314 
5315 	if (rscn_gen != fcport->rscn_gen) {
5316 		/* RSCN(s) came in while registration */
5317 		switch (fcport->next_disc_state) {
5318 		case DSC_DELETE_PEND:
5319 			qlt_schedule_sess_for_deletion(fcport);
5320 			break;
5321 		case DSC_ADISC:
5322 			data[0] = data[1] = 0;
5323 			qla2x00_post_async_adisc_work(fcport->vha, fcport,
5324 			    data);
5325 			break;
5326 		default:
5327 			break;
5328 		}
5329 	}
5330 }
5331 
5332 /*
5333  * qla2x00_configure_fabric
5334  *      Setup SNS devices with loop ID's.
5335  *
5336  * Input:
5337  *      ha = adapter block pointer.
5338  *
5339  * Returns:
5340  *      0 = success.
5341  *      BIT_0 = error
5342  */
5343 static int
5344 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5345 {
5346 	int	rval;
5347 	fc_port_t	*fcport;
5348 	uint16_t	mb[MAILBOX_REGISTER_COUNT];
5349 	uint16_t	loop_id;
5350 	LIST_HEAD(new_fcports);
5351 	struct qla_hw_data *ha = vha->hw;
5352 	int		discovery_gen;
5353 
5354 	/* If FL port exists, then SNS is present */
5355 	if (IS_FWI2_CAPABLE(ha))
5356 		loop_id = NPH_F_PORT;
5357 	else
5358 		loop_id = SNS_FL_PORT;
5359 	rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5360 	if (rval != QLA_SUCCESS) {
5361 		ql_dbg(ql_dbg_disc, vha, 0x20a0,
5362 		    "MBX_GET_PORT_NAME failed, No FL Port.\n");
5363 
5364 		vha->device_flags &= ~SWITCH_FOUND;
5365 		return (QLA_SUCCESS);
5366 	}
5367 	vha->device_flags |= SWITCH_FOUND;
5368 
5369 
5370 	if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5371 		rval = qla2x00_send_change_request(vha, 0x3, 0);
5372 		if (rval != QLA_SUCCESS)
5373 			ql_log(ql_log_warn, vha, 0x121,
5374 				"Failed to enable receiving of RSCN requests: 0x%x.\n",
5375 				rval);
5376 	}
5377 
5378 
5379 	do {
5380 		qla2x00_mgmt_svr_login(vha);
5381 
5382 		/* FDMI support. */
5383 		if (ql2xfdmienable &&
5384 		    test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
5385 			qla2x00_fdmi_register(vha);
5386 
5387 		/* Ensure we are logged into the SNS. */
5388 		loop_id = NPH_SNS_LID(ha);
5389 		rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5390 		    0xfc, mb, BIT_1|BIT_0);
5391 		if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5392 			ql_dbg(ql_dbg_disc, vha, 0x20a1,
5393 			    "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
5394 			    loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5395 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5396 			return rval;
5397 		}
5398 		if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
5399 			if (qla2x00_rft_id(vha)) {
5400 				/* EMPTY */
5401 				ql_dbg(ql_dbg_disc, vha, 0x20a2,
5402 				    "Register FC-4 TYPE failed.\n");
5403 				if (test_bit(LOOP_RESYNC_NEEDED,
5404 				    &vha->dpc_flags))
5405 					break;
5406 			}
5407 			if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
5408 				/* EMPTY */
5409 				ql_dbg(ql_dbg_disc, vha, 0x209a,
5410 				    "Register FC-4 Features failed.\n");
5411 				if (test_bit(LOOP_RESYNC_NEEDED,
5412 				    &vha->dpc_flags))
5413 					break;
5414 			}
5415 			if (vha->flags.nvme_enabled) {
5416 				if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
5417 					ql_dbg(ql_dbg_disc, vha, 0x2049,
5418 					    "Register NVME FC Type Features failed.\n");
5419 				}
5420 			}
5421 			if (qla2x00_rnn_id(vha)) {
5422 				/* EMPTY */
5423 				ql_dbg(ql_dbg_disc, vha, 0x2104,
5424 				    "Register Node Name failed.\n");
5425 				if (test_bit(LOOP_RESYNC_NEEDED,
5426 				    &vha->dpc_flags))
5427 					break;
5428 			} else if (qla2x00_rsnn_nn(vha)) {
5429 				/* EMPTY */
5430 				ql_dbg(ql_dbg_disc, vha, 0x209b,
5431 				    "Register Symbolic Node Name failed.\n");
5432 				if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5433 					break;
5434 			}
5435 		}
5436 
5437 
5438 		/* Mark the time right before querying FW for connected ports.
5439 		 * This process is long, asynchronous and by the time it's done,
5440 		 * collected information might not be accurate anymore. E.g.
5441 		 * disconnected port might have re-connected and a brand new
5442 		 * session has been created. In this case session's generation
5443 		 * will be newer than discovery_gen. */
5444 		qlt_do_generation_tick(vha, &discovery_gen);
5445 
5446 		if (USE_ASYNC_SCAN(ha)) {
5447 			rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
5448 			    NULL);
5449 			if (rval)
5450 				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5451 		} else  {
5452 			list_for_each_entry(fcport, &vha->vp_fcports, list)
5453 				fcport->scan_state = QLA_FCPORT_SCAN;
5454 
5455 			rval = qla2x00_find_all_fabric_devs(vha);
5456 		}
5457 		if (rval != QLA_SUCCESS)
5458 			break;
5459 	} while (0);
5460 
5461 	if (!vha->nvme_local_port && vha->flags.nvme_enabled)
5462 		qla_nvme_register_hba(vha);
5463 
5464 	if (rval)
5465 		ql_dbg(ql_dbg_disc, vha, 0x2068,
5466 		    "Configure fabric error exit rval=%d.\n", rval);
5467 
5468 	return (rval);
5469 }
5470 
5471 /*
5472  * qla2x00_find_all_fabric_devs
5473  *
5474  * Input:
5475  *	ha = adapter block pointer.
5476  *	dev = database device entry pointer.
5477  *
5478  * Returns:
5479  *	0 = success.
5480  *
5481  * Context:
5482  *	Kernel context.
5483  */
5484 static int
5485 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
5486 {
5487 	int		rval;
5488 	uint16_t	loop_id;
5489 	fc_port_t	*fcport, *new_fcport;
5490 	int		found;
5491 
5492 	sw_info_t	*swl;
5493 	int		swl_idx;
5494 	int		first_dev, last_dev;
5495 	port_id_t	wrap = {}, nxt_d_id;
5496 	struct qla_hw_data *ha = vha->hw;
5497 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5498 	unsigned long flags;
5499 
5500 	rval = QLA_SUCCESS;
5501 
5502 	/* Try GID_PT to get device list, else GAN. */
5503 	if (!ha->swl)
5504 		ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5505 		    GFP_KERNEL);
5506 	swl = ha->swl;
5507 	if (!swl) {
5508 		/*EMPTY*/
5509 		ql_dbg(ql_dbg_disc, vha, 0x209c,
5510 		    "GID_PT allocations failed, fallback on GA_NXT.\n");
5511 	} else {
5512 		memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5513 		if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
5514 			swl = NULL;
5515 			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5516 				return rval;
5517 		} else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
5518 			swl = NULL;
5519 			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5520 				return rval;
5521 		} else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
5522 			swl = NULL;
5523 			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5524 				return rval;
5525 		} else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
5526 			swl = NULL;
5527 			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5528 				return rval;
5529 		}
5530 
5531 		/* If other queries succeeded probe for FC-4 type */
5532 		if (swl) {
5533 			qla2x00_gff_id(vha, swl);
5534 			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5535 				return rval;
5536 		}
5537 	}
5538 	swl_idx = 0;
5539 
5540 	/* Allocate temporary fcport for any new fcports discovered. */
5541 	new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5542 	if (new_fcport == NULL) {
5543 		ql_log(ql_log_warn, vha, 0x209d,
5544 		    "Failed to allocate memory for fcport.\n");
5545 		return (QLA_MEMORY_ALLOC_FAILED);
5546 	}
5547 	new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5548 	/* Set start port ID scan at adapter ID. */
5549 	first_dev = 1;
5550 	last_dev = 0;
5551 
5552 	/* Starting free loop ID. */
5553 	loop_id = ha->min_external_loopid;
5554 	for (; loop_id <= ha->max_loop_id; loop_id++) {
5555 		if (qla2x00_is_reserved_id(vha, loop_id))
5556 			continue;
5557 
5558 		if (ha->current_topology == ISP_CFG_FL &&
5559 		    (atomic_read(&vha->loop_down_timer) ||
5560 		     LOOP_TRANSITION(vha))) {
5561 			atomic_set(&vha->loop_down_timer, 0);
5562 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5563 			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5564 			break;
5565 		}
5566 
5567 		if (swl != NULL) {
5568 			if (last_dev) {
5569 				wrap.b24 = new_fcport->d_id.b24;
5570 			} else {
5571 				new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
5572 				memcpy(new_fcport->node_name,
5573 				    swl[swl_idx].node_name, WWN_SIZE);
5574 				memcpy(new_fcport->port_name,
5575 				    swl[swl_idx].port_name, WWN_SIZE);
5576 				memcpy(new_fcport->fabric_port_name,
5577 				    swl[swl_idx].fabric_port_name, WWN_SIZE);
5578 				new_fcport->fp_speed = swl[swl_idx].fp_speed;
5579 				new_fcport->fc4_type = swl[swl_idx].fc4_type;
5580 
5581 				new_fcport->nvme_flag = 0;
5582 				new_fcport->fc4f_nvme = 0;
5583 				if (vha->flags.nvme_enabled &&
5584 				    swl[swl_idx].fc4f_nvme) {
5585 					new_fcport->fc4f_nvme =
5586 					    swl[swl_idx].fc4f_nvme;
5587 					ql_log(ql_log_info, vha, 0x2131,
5588 					    "FOUND: NVME port %8phC as FC Type 28h\n",
5589 					    new_fcport->port_name);
5590 				}
5591 
5592 				if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
5593 					last_dev = 1;
5594 				}
5595 				swl_idx++;
5596 			}
5597 		} else {
5598 			/* Send GA_NXT to the switch */
5599 			rval = qla2x00_ga_nxt(vha, new_fcport);
5600 			if (rval != QLA_SUCCESS) {
5601 				ql_log(ql_log_warn, vha, 0x209e,
5602 				    "SNS scan failed -- assuming "
5603 				    "zero-entry result.\n");
5604 				rval = QLA_SUCCESS;
5605 				break;
5606 			}
5607 		}
5608 
5609 		/* If wrap on switch device list, exit. */
5610 		if (first_dev) {
5611 			wrap.b24 = new_fcport->d_id.b24;
5612 			first_dev = 0;
5613 		} else if (new_fcport->d_id.b24 == wrap.b24) {
5614 			ql_dbg(ql_dbg_disc, vha, 0x209f,
5615 			    "Device wrap (%02x%02x%02x).\n",
5616 			    new_fcport->d_id.b.domain,
5617 			    new_fcport->d_id.b.area,
5618 			    new_fcport->d_id.b.al_pa);
5619 			break;
5620 		}
5621 
5622 		/* Bypass if same physical adapter. */
5623 		if (new_fcport->d_id.b24 == base_vha->d_id.b24)
5624 			continue;
5625 
5626 		/* Bypass virtual ports of the same host. */
5627 		if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
5628 			continue;
5629 
5630 		/* Bypass if same domain and area of adapter. */
5631 		if (((new_fcport->d_id.b24 & 0xffff00) ==
5632 		    (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
5633 			ISP_CFG_FL)
5634 			    continue;
5635 
5636 		/* Bypass reserved domain fields. */
5637 		if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
5638 			continue;
5639 
5640 		/* Bypass ports whose FCP-4 type is not FCP_SCSI */
5641 		if (ql2xgffidenable &&
5642 		    (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
5643 		    new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
5644 			continue;
5645 
5646 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5647 
5648 		/* Locate matching device in database. */
5649 		found = 0;
5650 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
5651 			if (memcmp(new_fcport->port_name, fcport->port_name,
5652 			    WWN_SIZE))
5653 				continue;
5654 
5655 			fcport->scan_state = QLA_FCPORT_FOUND;
5656 
5657 			found++;
5658 
5659 			/* Update port state. */
5660 			memcpy(fcport->fabric_port_name,
5661 			    new_fcport->fabric_port_name, WWN_SIZE);
5662 			fcport->fp_speed = new_fcport->fp_speed;
5663 
5664 			/*
5665 			 * If address the same and state FCS_ONLINE
5666 			 * (or in target mode), nothing changed.
5667 			 */
5668 			if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
5669 			    (atomic_read(&fcport->state) == FCS_ONLINE ||
5670 			     (vha->host->active_mode == MODE_TARGET))) {
5671 				break;
5672 			}
5673 
5674 			/*
5675 			 * If device was not a fabric device before.
5676 			 */
5677 			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
5678 				fcport->d_id.b24 = new_fcport->d_id.b24;
5679 				qla2x00_clear_loop_id(fcport);
5680 				fcport->flags |= (FCF_FABRIC_DEVICE |
5681 				    FCF_LOGIN_NEEDED);
5682 				break;
5683 			}
5684 
5685 			/*
5686 			 * Port ID changed or device was marked to be updated;
5687 			 * Log it out if still logged in and mark it for
5688 			 * relogin later.
5689 			 */
5690 			if (qla_tgt_mode_enabled(base_vha)) {
5691 				ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
5692 					 "port changed FC ID, %8phC"
5693 					 " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
5694 					 fcport->port_name,
5695 					 fcport->d_id.b.domain,
5696 					 fcport->d_id.b.area,
5697 					 fcport->d_id.b.al_pa,
5698 					 fcport->loop_id,
5699 					 new_fcport->d_id.b.domain,
5700 					 new_fcport->d_id.b.area,
5701 					 new_fcport->d_id.b.al_pa);
5702 				fcport->d_id.b24 = new_fcport->d_id.b24;
5703 				break;
5704 			}
5705 
5706 			fcport->d_id.b24 = new_fcport->d_id.b24;
5707 			fcport->flags |= FCF_LOGIN_NEEDED;
5708 			break;
5709 		}
5710 
5711 		if (fcport->fc4f_nvme) {
5712 			if (fcport->disc_state == DSC_DELETE_PEND) {
5713 				fcport->disc_state = DSC_GNL;
5714 				vha->fcport_count--;
5715 				fcport->login_succ = 0;
5716 			}
5717 		}
5718 
5719 		if (found) {
5720 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5721 			continue;
5722 		}
5723 		/* If device was not in our fcports list, then add it. */
5724 		new_fcport->scan_state = QLA_FCPORT_FOUND;
5725 		list_add_tail(&new_fcport->list, &vha->vp_fcports);
5726 
5727 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5728 
5729 
5730 		/* Allocate a new replacement fcport. */
5731 		nxt_d_id.b24 = new_fcport->d_id.b24;
5732 		new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5733 		if (new_fcport == NULL) {
5734 			ql_log(ql_log_warn, vha, 0xd032,
5735 			    "Memory allocation failed for fcport.\n");
5736 			return (QLA_MEMORY_ALLOC_FAILED);
5737 		}
5738 		new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5739 		new_fcport->d_id.b24 = nxt_d_id.b24;
5740 	}
5741 
5742 	qla2x00_free_fcport(new_fcport);
5743 
5744 	/*
5745 	 * Logout all previous fabric dev marked lost, except FCP2 devices.
5746 	 */
5747 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5748 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5749 			break;
5750 
5751 		if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
5752 		    (fcport->flags & FCF_LOGIN_NEEDED) == 0)
5753 			continue;
5754 
5755 		if (fcport->scan_state == QLA_FCPORT_SCAN) {
5756 			if ((qla_dual_mode_enabled(vha) ||
5757 			    qla_ini_mode_enabled(vha)) &&
5758 			    atomic_read(&fcport->state) == FCS_ONLINE) {
5759 				qla2x00_mark_device_lost(vha, fcport,
5760 					ql2xplogiabsentdevice, 0);
5761 				if (fcport->loop_id != FC_NO_LOOP_ID &&
5762 				    (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5763 				    fcport->port_type != FCT_INITIATOR &&
5764 				    fcport->port_type != FCT_BROADCAST) {
5765 					ql_dbg(ql_dbg_disc, vha, 0x20f0,
5766 					    "%s %d %8phC post del sess\n",
5767 					    __func__, __LINE__,
5768 					    fcport->port_name);
5769 					qlt_schedule_sess_for_deletion(fcport);
5770 					continue;
5771 				}
5772 			}
5773 		}
5774 
5775 		if (fcport->scan_state == QLA_FCPORT_FOUND)
5776 			qla24xx_fcport_handle_login(vha, fcport);
5777 	}
5778 	return (rval);
5779 }
5780 
5781 /*
5782  * qla2x00_find_new_loop_id
5783  *	Scan through our port list and find a new usable loop ID.
5784  *
5785  * Input:
5786  *	ha:	adapter state pointer.
5787  *	dev:	port structure pointer.
5788  *
5789  * Returns:
5790  *	qla2x00 local function return status code.
5791  *
5792  * Context:
5793  *	Kernel context.
5794  */
5795 int
5796 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
5797 {
5798 	int	rval;
5799 	struct qla_hw_data *ha = vha->hw;
5800 	unsigned long flags = 0;
5801 
5802 	rval = QLA_SUCCESS;
5803 
5804 	spin_lock_irqsave(&ha->vport_slock, flags);
5805 
5806 	dev->loop_id = find_first_zero_bit(ha->loop_id_map,
5807 	    LOOPID_MAP_SIZE);
5808 	if (dev->loop_id >= LOOPID_MAP_SIZE ||
5809 	    qla2x00_is_reserved_id(vha, dev->loop_id)) {
5810 		dev->loop_id = FC_NO_LOOP_ID;
5811 		rval = QLA_FUNCTION_FAILED;
5812 	} else
5813 		set_bit(dev->loop_id, ha->loop_id_map);
5814 
5815 	spin_unlock_irqrestore(&ha->vport_slock, flags);
5816 
5817 	if (rval == QLA_SUCCESS)
5818 		ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
5819 		    "Assigning new loopid=%x, portid=%x.\n",
5820 		    dev->loop_id, dev->d_id.b24);
5821 	else
5822 		ql_log(ql_log_warn, dev->vha, 0x2087,
5823 		    "No loop_id's available, portid=%x.\n",
5824 		    dev->d_id.b24);
5825 
5826 	return (rval);
5827 }
5828 
5829 
5830 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
5831 int
5832 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
5833 {
5834 	int loop_id = FC_NO_LOOP_ID;
5835 	int lid = NPH_MGMT_SERVER - vha->vp_idx;
5836 	unsigned long flags;
5837 	struct qla_hw_data *ha = vha->hw;
5838 
5839 	if (vha->vp_idx == 0) {
5840 		set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
5841 		return NPH_MGMT_SERVER;
5842 	}
5843 
5844 	/* pick id from high and work down to low */
5845 	spin_lock_irqsave(&ha->vport_slock, flags);
5846 	for (; lid > 0; lid--) {
5847 		if (!test_bit(lid, vha->hw->loop_id_map)) {
5848 			set_bit(lid, vha->hw->loop_id_map);
5849 			loop_id = lid;
5850 			break;
5851 		}
5852 	}
5853 	spin_unlock_irqrestore(&ha->vport_slock, flags);
5854 
5855 	return loop_id;
5856 }
5857 
5858 /*
5859  * qla2x00_fabric_login
5860  *	Issue fabric login command.
5861  *
5862  * Input:
5863  *	ha = adapter block pointer.
5864  *	device = pointer to FC device type structure.
5865  *
5866  * Returns:
5867  *      0 - Login successfully
5868  *      1 - Login failed
5869  *      2 - Initiator device
5870  *      3 - Fatal error
5871  */
5872 int
5873 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
5874     uint16_t *next_loopid)
5875 {
5876 	int	rval;
5877 	int	retry;
5878 	uint16_t tmp_loopid;
5879 	uint16_t mb[MAILBOX_REGISTER_COUNT];
5880 	struct qla_hw_data *ha = vha->hw;
5881 
5882 	retry = 0;
5883 	tmp_loopid = 0;
5884 
5885 	for (;;) {
5886 		ql_dbg(ql_dbg_disc, vha, 0x2000,
5887 		    "Trying Fabric Login w/loop id 0x%04x for port "
5888 		    "%02x%02x%02x.\n",
5889 		    fcport->loop_id, fcport->d_id.b.domain,
5890 		    fcport->d_id.b.area, fcport->d_id.b.al_pa);
5891 
5892 		/* Login fcport on switch. */
5893 		rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
5894 		    fcport->d_id.b.domain, fcport->d_id.b.area,
5895 		    fcport->d_id.b.al_pa, mb, BIT_0);
5896 		if (rval != QLA_SUCCESS) {
5897 			return rval;
5898 		}
5899 		if (mb[0] == MBS_PORT_ID_USED) {
5900 			/*
5901 			 * Device has another loop ID.  The firmware team
5902 			 * recommends the driver perform an implicit login with
5903 			 * the specified ID again. The ID we just used is save
5904 			 * here so we return with an ID that can be tried by
5905 			 * the next login.
5906 			 */
5907 			retry++;
5908 			tmp_loopid = fcport->loop_id;
5909 			fcport->loop_id = mb[1];
5910 
5911 			ql_dbg(ql_dbg_disc, vha, 0x2001,
5912 			    "Fabric Login: port in use - next loop "
5913 			    "id=0x%04x, port id= %02x%02x%02x.\n",
5914 			    fcport->loop_id, fcport->d_id.b.domain,
5915 			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
5916 
5917 		} else if (mb[0] == MBS_COMMAND_COMPLETE) {
5918 			/*
5919 			 * Login succeeded.
5920 			 */
5921 			if (retry) {
5922 				/* A retry occurred before. */
5923 				*next_loopid = tmp_loopid;
5924 			} else {
5925 				/*
5926 				 * No retry occurred before. Just increment the
5927 				 * ID value for next login.
5928 				 */
5929 				*next_loopid = (fcport->loop_id + 1);
5930 			}
5931 
5932 			if (mb[1] & BIT_0) {
5933 				fcport->port_type = FCT_INITIATOR;
5934 			} else {
5935 				fcport->port_type = FCT_TARGET;
5936 				if (mb[1] & BIT_1) {
5937 					fcport->flags |= FCF_FCP2_DEVICE;
5938 				}
5939 			}
5940 
5941 			if (mb[10] & BIT_0)
5942 				fcport->supported_classes |= FC_COS_CLASS2;
5943 			if (mb[10] & BIT_1)
5944 				fcport->supported_classes |= FC_COS_CLASS3;
5945 
5946 			if (IS_FWI2_CAPABLE(ha)) {
5947 				if (mb[10] & BIT_7)
5948 					fcport->flags |=
5949 					    FCF_CONF_COMP_SUPPORTED;
5950 			}
5951 
5952 			rval = QLA_SUCCESS;
5953 			break;
5954 		} else if (mb[0] == MBS_LOOP_ID_USED) {
5955 			/*
5956 			 * Loop ID already used, try next loop ID.
5957 			 */
5958 			fcport->loop_id++;
5959 			rval = qla2x00_find_new_loop_id(vha, fcport);
5960 			if (rval != QLA_SUCCESS) {
5961 				/* Ran out of loop IDs to use */
5962 				break;
5963 			}
5964 		} else if (mb[0] == MBS_COMMAND_ERROR) {
5965 			/*
5966 			 * Firmware possibly timed out during login. If NO
5967 			 * retries are left to do then the device is declared
5968 			 * dead.
5969 			 */
5970 			*next_loopid = fcport->loop_id;
5971 			ha->isp_ops->fabric_logout(vha, fcport->loop_id,
5972 			    fcport->d_id.b.domain, fcport->d_id.b.area,
5973 			    fcport->d_id.b.al_pa);
5974 			qla2x00_mark_device_lost(vha, fcport, 1, 0);
5975 
5976 			rval = 1;
5977 			break;
5978 		} else {
5979 			/*
5980 			 * unrecoverable / not handled error
5981 			 */
5982 			ql_dbg(ql_dbg_disc, vha, 0x2002,
5983 			    "Failed=%x port_id=%02x%02x%02x loop_id=%x "
5984 			    "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
5985 			    fcport->d_id.b.area, fcport->d_id.b.al_pa,
5986 			    fcport->loop_id, jiffies);
5987 
5988 			*next_loopid = fcport->loop_id;
5989 			ha->isp_ops->fabric_logout(vha, fcport->loop_id,
5990 			    fcport->d_id.b.domain, fcport->d_id.b.area,
5991 			    fcport->d_id.b.al_pa);
5992 			qla2x00_clear_loop_id(fcport);
5993 			fcport->login_retry = 0;
5994 
5995 			rval = 3;
5996 			break;
5997 		}
5998 	}
5999 
6000 	return (rval);
6001 }
6002 
6003 /*
6004  * qla2x00_local_device_login
6005  *	Issue local device login command.
6006  *
6007  * Input:
6008  *	ha = adapter block pointer.
6009  *	loop_id = loop id of device to login to.
6010  *
6011  * Returns (Where's the #define!!!!):
6012  *      0 - Login successfully
6013  *      1 - Login failed
6014  *      3 - Fatal error
6015  */
6016 int
6017 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6018 {
6019 	int		rval;
6020 	uint16_t	mb[MAILBOX_REGISTER_COUNT];
6021 
6022 	memset(mb, 0, sizeof(mb));
6023 	rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6024 	if (rval == QLA_SUCCESS) {
6025 		/* Interrogate mailbox registers for any errors */
6026 		if (mb[0] == MBS_COMMAND_ERROR)
6027 			rval = 1;
6028 		else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6029 			/* device not in PCB table */
6030 			rval = 3;
6031 	}
6032 
6033 	return (rval);
6034 }
6035 
6036 /*
6037  *  qla2x00_loop_resync
6038  *      Resync with fibre channel devices.
6039  *
6040  * Input:
6041  *      ha = adapter block pointer.
6042  *
6043  * Returns:
6044  *      0 = success
6045  */
6046 int
6047 qla2x00_loop_resync(scsi_qla_host_t *vha)
6048 {
6049 	int rval = QLA_SUCCESS;
6050 	uint32_t wait_time;
6051 
6052 	clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6053 	if (vha->flags.online) {
6054 		if (!(rval = qla2x00_fw_ready(vha))) {
6055 			/* Wait at most MAX_TARGET RSCNs for a stable link. */
6056 			wait_time = 256;
6057 			do {
6058 				if (!IS_QLAFX00(vha->hw)) {
6059 					/*
6060 					 * Issue a marker after FW becomes
6061 					 * ready.
6062 					 */
6063 					qla2x00_marker(vha, vha->hw->base_qpair,
6064 					    0, 0, MK_SYNC_ALL);
6065 					vha->marker_needed = 0;
6066 				}
6067 
6068 				/* Remap devices on Loop. */
6069 				clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6070 
6071 				if (IS_QLAFX00(vha->hw))
6072 					qlafx00_configure_devices(vha);
6073 				else
6074 					qla2x00_configure_loop(vha);
6075 
6076 				wait_time--;
6077 			} while (!atomic_read(&vha->loop_down_timer) &&
6078 				!(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6079 				&& wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6080 				&vha->dpc_flags)));
6081 		}
6082 	}
6083 
6084 	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6085 		return (QLA_FUNCTION_FAILED);
6086 
6087 	if (rval)
6088 		ql_dbg(ql_dbg_disc, vha, 0x206c,
6089 		    "%s *** FAILED ***.\n", __func__);
6090 
6091 	return (rval);
6092 }
6093 
6094 /*
6095 * qla2x00_perform_loop_resync
6096 * Description: This function will set the appropriate flags and call
6097 *              qla2x00_loop_resync. If successful loop will be resynced
6098 * Arguments : scsi_qla_host_t pointer
6099 * returm    : Success or Failure
6100 */
6101 
6102 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
6103 {
6104 	int32_t rval = 0;
6105 
6106 	if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
6107 		/*Configure the flags so that resync happens properly*/
6108 		atomic_set(&ha->loop_down_timer, 0);
6109 		if (!(ha->device_flags & DFLG_NO_CABLE)) {
6110 			atomic_set(&ha->loop_state, LOOP_UP);
6111 			set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
6112 			set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
6113 			set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
6114 
6115 			rval = qla2x00_loop_resync(ha);
6116 		} else
6117 			atomic_set(&ha->loop_state, LOOP_DEAD);
6118 
6119 		clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
6120 	}
6121 
6122 	return rval;
6123 }
6124 
6125 void
6126 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
6127 {
6128 	fc_port_t *fcport;
6129 	struct scsi_qla_host *vha;
6130 	struct qla_hw_data *ha = base_vha->hw;
6131 	unsigned long flags;
6132 
6133 	spin_lock_irqsave(&ha->vport_slock, flags);
6134 	/* Go with deferred removal of rport references. */
6135 	list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
6136 		atomic_inc(&vha->vref_count);
6137 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
6138 			if (fcport->drport &&
6139 			    atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
6140 				spin_unlock_irqrestore(&ha->vport_slock, flags);
6141 				qla2x00_rport_del(fcport);
6142 
6143 				spin_lock_irqsave(&ha->vport_slock, flags);
6144 			}
6145 		}
6146 		atomic_dec(&vha->vref_count);
6147 		wake_up(&vha->vref_waitq);
6148 	}
6149 	spin_unlock_irqrestore(&ha->vport_slock, flags);
6150 }
6151 
6152 /* Assumes idc_lock always held on entry */
6153 void
6154 qla83xx_reset_ownership(scsi_qla_host_t *vha)
6155 {
6156 	struct qla_hw_data *ha = vha->hw;
6157 	uint32_t drv_presence, drv_presence_mask;
6158 	uint32_t dev_part_info1, dev_part_info2, class_type;
6159 	uint32_t class_type_mask = 0x3;
6160 	uint16_t fcoe_other_function = 0xffff, i;
6161 
6162 	if (IS_QLA8044(ha)) {
6163 		drv_presence = qla8044_rd_direct(vha,
6164 		    QLA8044_CRB_DRV_ACTIVE_INDEX);
6165 		dev_part_info1 = qla8044_rd_direct(vha,
6166 		    QLA8044_CRB_DEV_PART_INFO_INDEX);
6167 		dev_part_info2 = qla8044_rd_direct(vha,
6168 		    QLA8044_CRB_DEV_PART_INFO2);
6169 	} else {
6170 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6171 		qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
6172 		qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
6173 	}
6174 	for (i = 0; i < 8; i++) {
6175 		class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
6176 		if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6177 		    (i != ha->portnum)) {
6178 			fcoe_other_function = i;
6179 			break;
6180 		}
6181 	}
6182 	if (fcoe_other_function == 0xffff) {
6183 		for (i = 0; i < 8; i++) {
6184 			class_type = ((dev_part_info2 >> (i * 4)) &
6185 			    class_type_mask);
6186 			if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6187 			    ((i + 8) != ha->portnum)) {
6188 				fcoe_other_function = i + 8;
6189 				break;
6190 			}
6191 		}
6192 	}
6193 	/*
6194 	 * Prepare drv-presence mask based on fcoe functions present.
6195 	 * However consider only valid physical fcoe function numbers (0-15).
6196 	 */
6197 	drv_presence_mask = ~((1 << (ha->portnum)) |
6198 			((fcoe_other_function == 0xffff) ?
6199 			 0 : (1 << (fcoe_other_function))));
6200 
6201 	/* We are the reset owner iff:
6202 	 *    - No other protocol drivers present.
6203 	 *    - This is the lowest among fcoe functions. */
6204 	if (!(drv_presence & drv_presence_mask) &&
6205 			(ha->portnum < fcoe_other_function)) {
6206 		ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6207 		    "This host is Reset owner.\n");
6208 		ha->flags.nic_core_reset_owner = 1;
6209 	}
6210 }
6211 
6212 static int
6213 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6214 {
6215 	int rval = QLA_SUCCESS;
6216 	struct qla_hw_data *ha = vha->hw;
6217 	uint32_t drv_ack;
6218 
6219 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6220 	if (rval == QLA_SUCCESS) {
6221 		drv_ack |= (1 << ha->portnum);
6222 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6223 	}
6224 
6225 	return rval;
6226 }
6227 
6228 static int
6229 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6230 {
6231 	int rval = QLA_SUCCESS;
6232 	struct qla_hw_data *ha = vha->hw;
6233 	uint32_t drv_ack;
6234 
6235 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6236 	if (rval == QLA_SUCCESS) {
6237 		drv_ack &= ~(1 << ha->portnum);
6238 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6239 	}
6240 
6241 	return rval;
6242 }
6243 
6244 static const char *
6245 qla83xx_dev_state_to_string(uint32_t dev_state)
6246 {
6247 	switch (dev_state) {
6248 	case QLA8XXX_DEV_COLD:
6249 		return "COLD/RE-INIT";
6250 	case QLA8XXX_DEV_INITIALIZING:
6251 		return "INITIALIZING";
6252 	case QLA8XXX_DEV_READY:
6253 		return "READY";
6254 	case QLA8XXX_DEV_NEED_RESET:
6255 		return "NEED RESET";
6256 	case QLA8XXX_DEV_NEED_QUIESCENT:
6257 		return "NEED QUIESCENT";
6258 	case QLA8XXX_DEV_FAILED:
6259 		return "FAILED";
6260 	case QLA8XXX_DEV_QUIESCENT:
6261 		return "QUIESCENT";
6262 	default:
6263 		return "Unknown";
6264 	}
6265 }
6266 
6267 /* Assumes idc-lock always held on entry */
6268 void
6269 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6270 {
6271 	struct qla_hw_data *ha = vha->hw;
6272 	uint32_t idc_audit_reg = 0, duration_secs = 0;
6273 
6274 	switch (audit_type) {
6275 	case IDC_AUDIT_TIMESTAMP:
6276 		ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6277 		idc_audit_reg = (ha->portnum) |
6278 		    (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6279 		qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6280 		break;
6281 
6282 	case IDC_AUDIT_COMPLETION:
6283 		duration_secs = ((jiffies_to_msecs(jiffies) -
6284 		    jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6285 		idc_audit_reg = (ha->portnum) |
6286 		    (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6287 		qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6288 		break;
6289 
6290 	default:
6291 		ql_log(ql_log_warn, vha, 0xb078,
6292 		    "Invalid audit type specified.\n");
6293 		break;
6294 	}
6295 }
6296 
6297 /* Assumes idc_lock always held on entry */
6298 static int
6299 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6300 {
6301 	struct qla_hw_data *ha = vha->hw;
6302 	uint32_t  idc_control, dev_state;
6303 
6304 	__qla83xx_get_idc_control(vha, &idc_control);
6305 	if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6306 		ql_log(ql_log_info, vha, 0xb080,
6307 		    "NIC Core reset has been disabled. idc-control=0x%x\n",
6308 		    idc_control);
6309 		return QLA_FUNCTION_FAILED;
6310 	}
6311 
6312 	/* Set NEED-RESET iff in READY state and we are the reset-owner */
6313 	qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6314 	if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6315 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6316 		    QLA8XXX_DEV_NEED_RESET);
6317 		ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6318 		qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6319 	} else {
6320 		const char *state = qla83xx_dev_state_to_string(dev_state);
6321 		ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
6322 
6323 		/* SV: XXX: Is timeout required here? */
6324 		/* Wait for IDC state change READY -> NEED_RESET */
6325 		while (dev_state == QLA8XXX_DEV_READY) {
6326 			qla83xx_idc_unlock(vha, 0);
6327 			msleep(200);
6328 			qla83xx_idc_lock(vha, 0);
6329 			qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6330 		}
6331 	}
6332 
6333 	/* Send IDC ack by writing to drv-ack register */
6334 	__qla83xx_set_drv_ack(vha);
6335 
6336 	return QLA_SUCCESS;
6337 }
6338 
6339 int
6340 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6341 {
6342 	return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6343 }
6344 
6345 int
6346 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6347 {
6348 	return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6349 }
6350 
6351 static int
6352 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6353 {
6354 	uint32_t drv_presence = 0;
6355 	struct qla_hw_data *ha = vha->hw;
6356 
6357 	qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6358 	if (drv_presence & (1 << ha->portnum))
6359 		return QLA_SUCCESS;
6360 	else
6361 		return QLA_TEST_FAILED;
6362 }
6363 
6364 int
6365 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6366 {
6367 	int rval = QLA_SUCCESS;
6368 	struct qla_hw_data *ha = vha->hw;
6369 
6370 	ql_dbg(ql_dbg_p3p, vha, 0xb058,
6371 	    "Entered  %s().\n", __func__);
6372 
6373 	if (vha->device_flags & DFLG_DEV_FAILED) {
6374 		ql_log(ql_log_warn, vha, 0xb059,
6375 		    "Device in unrecoverable FAILED state.\n");
6376 		return QLA_FUNCTION_FAILED;
6377 	}
6378 
6379 	qla83xx_idc_lock(vha, 0);
6380 
6381 	if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6382 		ql_log(ql_log_warn, vha, 0xb05a,
6383 		    "Function=0x%x has been removed from IDC participation.\n",
6384 		    ha->portnum);
6385 		rval = QLA_FUNCTION_FAILED;
6386 		goto exit;
6387 	}
6388 
6389 	qla83xx_reset_ownership(vha);
6390 
6391 	rval = qla83xx_initiating_reset(vha);
6392 
6393 	/*
6394 	 * Perform reset if we are the reset-owner,
6395 	 * else wait till IDC state changes to READY/FAILED.
6396 	 */
6397 	if (rval == QLA_SUCCESS) {
6398 		rval = qla83xx_idc_state_handler(vha);
6399 
6400 		if (rval == QLA_SUCCESS)
6401 			ha->flags.nic_core_hung = 0;
6402 		__qla83xx_clear_drv_ack(vha);
6403 	}
6404 
6405 exit:
6406 	qla83xx_idc_unlock(vha, 0);
6407 
6408 	ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6409 
6410 	return rval;
6411 }
6412 
6413 int
6414 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6415 {
6416 	struct qla_hw_data *ha = vha->hw;
6417 	int rval = QLA_FUNCTION_FAILED;
6418 
6419 	if (!IS_MCTP_CAPABLE(ha)) {
6420 		/* This message can be removed from the final version */
6421 		ql_log(ql_log_info, vha, 0x506d,
6422 		    "This board is not MCTP capable\n");
6423 		return rval;
6424 	}
6425 
6426 	if (!ha->mctp_dump) {
6427 		ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6428 		    MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6429 
6430 		if (!ha->mctp_dump) {
6431 			ql_log(ql_log_warn, vha, 0x506e,
6432 			    "Failed to allocate memory for mctp dump\n");
6433 			return rval;
6434 		}
6435 	}
6436 
6437 #define MCTP_DUMP_STR_ADDR	0x00000000
6438 	rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6439 	    MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6440 	if (rval != QLA_SUCCESS) {
6441 		ql_log(ql_log_warn, vha, 0x506f,
6442 		    "Failed to capture mctp dump\n");
6443 	} else {
6444 		ql_log(ql_log_info, vha, 0x5070,
6445 		    "Mctp dump capture for host (%ld/%p).\n",
6446 		    vha->host_no, ha->mctp_dump);
6447 		ha->mctp_dumped = 1;
6448 	}
6449 
6450 	if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6451 		ha->flags.nic_core_reset_hdlr_active = 1;
6452 		rval = qla83xx_restart_nic_firmware(vha);
6453 		if (rval)
6454 			/* NIC Core reset failed. */
6455 			ql_log(ql_log_warn, vha, 0x5071,
6456 			    "Failed to restart nic firmware\n");
6457 		else
6458 			ql_dbg(ql_dbg_p3p, vha, 0xb084,
6459 			    "Restarted NIC firmware successfully.\n");
6460 		ha->flags.nic_core_reset_hdlr_active = 0;
6461 	}
6462 
6463 	return rval;
6464 
6465 }
6466 
6467 /*
6468 * qla2x00_quiesce_io
6469 * Description: This function will block the new I/Os
6470 *              Its not aborting any I/Os as context
6471 *              is not destroyed during quiescence
6472 * Arguments: scsi_qla_host_t
6473 * return   : void
6474 */
6475 void
6476 qla2x00_quiesce_io(scsi_qla_host_t *vha)
6477 {
6478 	struct qla_hw_data *ha = vha->hw;
6479 	struct scsi_qla_host *vp;
6480 
6481 	ql_dbg(ql_dbg_dpc, vha, 0x401d,
6482 	    "Quiescing I/O - ha=%p.\n", ha);
6483 
6484 	atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
6485 	if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6486 		atomic_set(&vha->loop_state, LOOP_DOWN);
6487 		qla2x00_mark_all_devices_lost(vha, 0);
6488 		list_for_each_entry(vp, &ha->vp_list, list)
6489 			qla2x00_mark_all_devices_lost(vp, 0);
6490 	} else {
6491 		if (!atomic_read(&vha->loop_down_timer))
6492 			atomic_set(&vha->loop_down_timer,
6493 					LOOP_DOWN_TIME);
6494 	}
6495 	/* Wait for pending cmds to complete */
6496 	qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
6497 }
6498 
6499 void
6500 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
6501 {
6502 	struct qla_hw_data *ha = vha->hw;
6503 	struct scsi_qla_host *vp;
6504 	unsigned long flags;
6505 	fc_port_t *fcport;
6506 	u16 i;
6507 
6508 	/* For ISP82XX, driver waits for completion of the commands.
6509 	 * online flag should be set.
6510 	 */
6511 	if (!(IS_P3P_TYPE(ha)))
6512 		vha->flags.online = 0;
6513 	ha->flags.chip_reset_done = 0;
6514 	clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6515 	vha->qla_stats.total_isp_aborts++;
6516 
6517 	ql_log(ql_log_info, vha, 0x00af,
6518 	    "Performing ISP error recovery - ha=%p.\n", ha);
6519 
6520 	ha->flags.purge_mbox = 1;
6521 	/* For ISP82XX, reset_chip is just disabling interrupts.
6522 	 * Driver waits for the completion of the commands.
6523 	 * the interrupts need to be enabled.
6524 	 */
6525 	if (!(IS_P3P_TYPE(ha)))
6526 		ha->isp_ops->reset_chip(vha);
6527 
6528 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
6529 	SAVE_TOPO(ha);
6530 	ha->flags.rida_fmt2 = 0;
6531 	ha->flags.n2n_ae = 0;
6532 	ha->flags.lip_ae = 0;
6533 	ha->current_topology = 0;
6534 	ha->flags.fw_started = 0;
6535 	ha->flags.fw_init_done = 0;
6536 	ha->chip_reset++;
6537 	ha->base_qpair->chip_reset = ha->chip_reset;
6538 	for (i = 0; i < ha->max_qpairs; i++) {
6539 		if (ha->queue_pair_map[i])
6540 			ha->queue_pair_map[i]->chip_reset =
6541 				ha->base_qpair->chip_reset;
6542 	}
6543 
6544 	/* purge MBox commands */
6545 	if (atomic_read(&ha->num_pend_mbx_stage3)) {
6546 		clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
6547 		complete(&ha->mbx_intr_comp);
6548 	}
6549 
6550 	i = 0;
6551 	while (atomic_read(&ha->num_pend_mbx_stage3) ||
6552 	    atomic_read(&ha->num_pend_mbx_stage2) ||
6553 	    atomic_read(&ha->num_pend_mbx_stage1)) {
6554 		msleep(20);
6555 		i++;
6556 		if (i > 50)
6557 			break;
6558 	}
6559 	ha->flags.purge_mbox = 0;
6560 
6561 	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
6562 	if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6563 		atomic_set(&vha->loop_state, LOOP_DOWN);
6564 		qla2x00_mark_all_devices_lost(vha, 0);
6565 
6566 		spin_lock_irqsave(&ha->vport_slock, flags);
6567 		list_for_each_entry(vp, &ha->vp_list, list) {
6568 			atomic_inc(&vp->vref_count);
6569 			spin_unlock_irqrestore(&ha->vport_slock, flags);
6570 
6571 			qla2x00_mark_all_devices_lost(vp, 0);
6572 
6573 			spin_lock_irqsave(&ha->vport_slock, flags);
6574 			atomic_dec(&vp->vref_count);
6575 		}
6576 		spin_unlock_irqrestore(&ha->vport_slock, flags);
6577 	} else {
6578 		if (!atomic_read(&vha->loop_down_timer))
6579 			atomic_set(&vha->loop_down_timer,
6580 			    LOOP_DOWN_TIME);
6581 	}
6582 
6583 	/* Clear all async request states across all VPs. */
6584 	list_for_each_entry(fcport, &vha->vp_fcports, list)
6585 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6586 	spin_lock_irqsave(&ha->vport_slock, flags);
6587 	list_for_each_entry(vp, &ha->vp_list, list) {
6588 		atomic_inc(&vp->vref_count);
6589 		spin_unlock_irqrestore(&ha->vport_slock, flags);
6590 
6591 		list_for_each_entry(fcport, &vp->vp_fcports, list)
6592 			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6593 
6594 		spin_lock_irqsave(&ha->vport_slock, flags);
6595 		atomic_dec(&vp->vref_count);
6596 	}
6597 	spin_unlock_irqrestore(&ha->vport_slock, flags);
6598 
6599 	if (!ha->flags.eeh_busy) {
6600 		/* Make sure for ISP 82XX IO DMA is complete */
6601 		if (IS_P3P_TYPE(ha)) {
6602 			qla82xx_chip_reset_cleanup(vha);
6603 			ql_log(ql_log_info, vha, 0x00b4,
6604 			    "Done chip reset cleanup.\n");
6605 
6606 			/* Done waiting for pending commands.
6607 			 * Reset the online flag.
6608 			 */
6609 			vha->flags.online = 0;
6610 		}
6611 
6612 		/* Requeue all commands in outstanding command list. */
6613 		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6614 	}
6615 	/* memory barrier */
6616 	wmb();
6617 }
6618 
6619 /*
6620 *  qla2x00_abort_isp
6621 *      Resets ISP and aborts all outstanding commands.
6622 *
6623 * Input:
6624 *      ha           = adapter block pointer.
6625 *
6626 * Returns:
6627 *      0 = success
6628 */
6629 int
6630 qla2x00_abort_isp(scsi_qla_host_t *vha)
6631 {
6632 	int rval;
6633 	uint8_t        status = 0;
6634 	struct qla_hw_data *ha = vha->hw;
6635 	struct scsi_qla_host *vp;
6636 	struct req_que *req = ha->req_q_map[0];
6637 	unsigned long flags;
6638 
6639 	if (vha->flags.online) {
6640 		qla2x00_abort_isp_cleanup(vha);
6641 
6642 		if (IS_QLA8031(ha)) {
6643 			ql_dbg(ql_dbg_p3p, vha, 0xb05c,
6644 			    "Clearing fcoe driver presence.\n");
6645 			if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
6646 				ql_dbg(ql_dbg_p3p, vha, 0xb073,
6647 				    "Error while clearing DRV-Presence.\n");
6648 		}
6649 
6650 		if (unlikely(pci_channel_offline(ha->pdev) &&
6651 		    ha->flags.pci_channel_io_perm_failure)) {
6652 			clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6653 			status = 0;
6654 			return status;
6655 		}
6656 
6657 		switch (vha->qlini_mode) {
6658 		case QLA2XXX_INI_MODE_DISABLED:
6659 			if (!qla_tgt_mode_enabled(vha))
6660 				return 0;
6661 			break;
6662 		case QLA2XXX_INI_MODE_DUAL:
6663 			if (!qla_dual_mode_enabled(vha))
6664 				return 0;
6665 			break;
6666 		case QLA2XXX_INI_MODE_ENABLED:
6667 		default:
6668 			break;
6669 		}
6670 
6671 		ha->isp_ops->get_flash_version(vha, req->ring);
6672 
6673 		ha->isp_ops->nvram_config(vha);
6674 
6675 		if (!qla2x00_restart_isp(vha)) {
6676 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6677 
6678 			if (!atomic_read(&vha->loop_down_timer)) {
6679 				/*
6680 				 * Issue marker command only when we are going
6681 				 * to start the I/O .
6682 				 */
6683 				vha->marker_needed = 1;
6684 			}
6685 
6686 			vha->flags.online = 1;
6687 
6688 			ha->isp_ops->enable_intrs(ha);
6689 
6690 			ha->isp_abort_cnt = 0;
6691 			clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6692 
6693 			if (IS_QLA81XX(ha) || IS_QLA8031(ha))
6694 				qla2x00_get_fw_version(vha);
6695 			if (ha->fce) {
6696 				ha->flags.fce_enabled = 1;
6697 				memset(ha->fce, 0,
6698 				    fce_calc_size(ha->fce_bufs));
6699 				rval = qla2x00_enable_fce_trace(vha,
6700 				    ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6701 				    &ha->fce_bufs);
6702 				if (rval) {
6703 					ql_log(ql_log_warn, vha, 0x8033,
6704 					    "Unable to reinitialize FCE "
6705 					    "(%d).\n", rval);
6706 					ha->flags.fce_enabled = 0;
6707 				}
6708 			}
6709 
6710 			if (ha->eft) {
6711 				memset(ha->eft, 0, EFT_SIZE);
6712 				rval = qla2x00_enable_eft_trace(vha,
6713 				    ha->eft_dma, EFT_NUM_BUFFERS);
6714 				if (rval) {
6715 					ql_log(ql_log_warn, vha, 0x8034,
6716 					    "Unable to reinitialize EFT "
6717 					    "(%d).\n", rval);
6718 				}
6719 			}
6720 		} else {	/* failed the ISP abort */
6721 			vha->flags.online = 1;
6722 			if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
6723 				if (ha->isp_abort_cnt == 0) {
6724 					ql_log(ql_log_fatal, vha, 0x8035,
6725 					    "ISP error recover failed - "
6726 					    "board disabled.\n");
6727 					/*
6728 					 * The next call disables the board
6729 					 * completely.
6730 					 */
6731 					qla2x00_abort_isp_cleanup(vha);
6732 					vha->flags.online = 0;
6733 					clear_bit(ISP_ABORT_RETRY,
6734 					    &vha->dpc_flags);
6735 					status = 0;
6736 				} else { /* schedule another ISP abort */
6737 					ha->isp_abort_cnt--;
6738 					ql_dbg(ql_dbg_taskm, vha, 0x8020,
6739 					    "ISP abort - retry remaining %d.\n",
6740 					    ha->isp_abort_cnt);
6741 					status = 1;
6742 				}
6743 			} else {
6744 				ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
6745 				ql_dbg(ql_dbg_taskm, vha, 0x8021,
6746 				    "ISP error recovery - retrying (%d) "
6747 				    "more times.\n", ha->isp_abort_cnt);
6748 				set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6749 				status = 1;
6750 			}
6751 		}
6752 
6753 	}
6754 
6755 	if (!status) {
6756 		ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
6757 		qla2x00_configure_hba(vha);
6758 		spin_lock_irqsave(&ha->vport_slock, flags);
6759 		list_for_each_entry(vp, &ha->vp_list, list) {
6760 			if (vp->vp_idx) {
6761 				atomic_inc(&vp->vref_count);
6762 				spin_unlock_irqrestore(&ha->vport_slock, flags);
6763 
6764 				qla2x00_vp_abort_isp(vp);
6765 
6766 				spin_lock_irqsave(&ha->vport_slock, flags);
6767 				atomic_dec(&vp->vref_count);
6768 			}
6769 		}
6770 		spin_unlock_irqrestore(&ha->vport_slock, flags);
6771 
6772 		if (IS_QLA8031(ha)) {
6773 			ql_dbg(ql_dbg_p3p, vha, 0xb05d,
6774 			    "Setting back fcoe driver presence.\n");
6775 			if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
6776 				ql_dbg(ql_dbg_p3p, vha, 0xb074,
6777 				    "Error while setting DRV-Presence.\n");
6778 		}
6779 	} else {
6780 		ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
6781 		       __func__);
6782 	}
6783 
6784 	return(status);
6785 }
6786 
6787 /*
6788 *  qla2x00_restart_isp
6789 *      restarts the ISP after a reset
6790 *
6791 * Input:
6792 *      ha = adapter block pointer.
6793 *
6794 * Returns:
6795 *      0 = success
6796 */
6797 static int
6798 qla2x00_restart_isp(scsi_qla_host_t *vha)
6799 {
6800 	int status = 0;
6801 	struct qla_hw_data *ha = vha->hw;
6802 
6803 	/* If firmware needs to be loaded */
6804 	if (qla2x00_isp_firmware(vha)) {
6805 		vha->flags.online = 0;
6806 		status = ha->isp_ops->chip_diag(vha);
6807 		if (!status)
6808 			status = qla2x00_setup_chip(vha);
6809 	}
6810 
6811 	if (!status && !(status = qla2x00_init_rings(vha))) {
6812 		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6813 		ha->flags.chip_reset_done = 1;
6814 
6815 		/* Initialize the queues in use */
6816 		qla25xx_init_queues(ha);
6817 
6818 		status = qla2x00_fw_ready(vha);
6819 		if (!status) {
6820 			/* Issue a marker after FW becomes ready. */
6821 			qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
6822 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6823 		}
6824 
6825 		/* if no cable then assume it's good */
6826 		if ((vha->device_flags & DFLG_NO_CABLE))
6827 			status = 0;
6828 	}
6829 	return (status);
6830 }
6831 
6832 static int
6833 qla25xx_init_queues(struct qla_hw_data *ha)
6834 {
6835 	struct rsp_que *rsp = NULL;
6836 	struct req_que *req = NULL;
6837 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6838 	int ret = -1;
6839 	int i;
6840 
6841 	for (i = 1; i < ha->max_rsp_queues; i++) {
6842 		rsp = ha->rsp_q_map[i];
6843 		if (rsp && test_bit(i, ha->rsp_qid_map)) {
6844 			rsp->options &= ~BIT_0;
6845 			ret = qla25xx_init_rsp_que(base_vha, rsp);
6846 			if (ret != QLA_SUCCESS)
6847 				ql_dbg(ql_dbg_init, base_vha, 0x00ff,
6848 				    "%s Rsp que: %d init failed.\n",
6849 				    __func__, rsp->id);
6850 			else
6851 				ql_dbg(ql_dbg_init, base_vha, 0x0100,
6852 				    "%s Rsp que: %d inited.\n",
6853 				    __func__, rsp->id);
6854 		}
6855 	}
6856 	for (i = 1; i < ha->max_req_queues; i++) {
6857 		req = ha->req_q_map[i];
6858 		if (req && test_bit(i, ha->req_qid_map)) {
6859 			/* Clear outstanding commands array. */
6860 			req->options &= ~BIT_0;
6861 			ret = qla25xx_init_req_que(base_vha, req);
6862 			if (ret != QLA_SUCCESS)
6863 				ql_dbg(ql_dbg_init, base_vha, 0x0101,
6864 				    "%s Req que: %d init failed.\n",
6865 				    __func__, req->id);
6866 			else
6867 				ql_dbg(ql_dbg_init, base_vha, 0x0102,
6868 				    "%s Req que: %d inited.\n",
6869 				    __func__, req->id);
6870 		}
6871 	}
6872 	return ret;
6873 }
6874 
6875 /*
6876 * qla2x00_reset_adapter
6877 *      Reset adapter.
6878 *
6879 * Input:
6880 *      ha = adapter block pointer.
6881 */
6882 void
6883 qla2x00_reset_adapter(scsi_qla_host_t *vha)
6884 {
6885 	unsigned long flags = 0;
6886 	struct qla_hw_data *ha = vha->hw;
6887 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
6888 
6889 	vha->flags.online = 0;
6890 	ha->isp_ops->disable_intrs(ha);
6891 
6892 	spin_lock_irqsave(&ha->hardware_lock, flags);
6893 	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
6894 	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
6895 	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
6896 	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
6897 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
6898 }
6899 
6900 void
6901 qla24xx_reset_adapter(scsi_qla_host_t *vha)
6902 {
6903 	unsigned long flags = 0;
6904 	struct qla_hw_data *ha = vha->hw;
6905 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
6906 
6907 	if (IS_P3P_TYPE(ha))
6908 		return;
6909 
6910 	vha->flags.online = 0;
6911 	ha->isp_ops->disable_intrs(ha);
6912 
6913 	spin_lock_irqsave(&ha->hardware_lock, flags);
6914 	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
6915 	RD_REG_DWORD(&reg->hccr);
6916 	WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
6917 	RD_REG_DWORD(&reg->hccr);
6918 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
6919 
6920 	if (IS_NOPOLLING_TYPE(ha))
6921 		ha->isp_ops->enable_intrs(ha);
6922 }
6923 
6924 /* On sparc systems, obtain port and node WWN from firmware
6925  * properties.
6926  */
6927 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
6928 	struct nvram_24xx *nv)
6929 {
6930 #ifdef CONFIG_SPARC
6931 	struct qla_hw_data *ha = vha->hw;
6932 	struct pci_dev *pdev = ha->pdev;
6933 	struct device_node *dp = pci_device_to_OF_node(pdev);
6934 	const u8 *val;
6935 	int len;
6936 
6937 	val = of_get_property(dp, "port-wwn", &len);
6938 	if (val && len >= WWN_SIZE)
6939 		memcpy(nv->port_name, val, WWN_SIZE);
6940 
6941 	val = of_get_property(dp, "node-wwn", &len);
6942 	if (val && len >= WWN_SIZE)
6943 		memcpy(nv->node_name, val, WWN_SIZE);
6944 #endif
6945 }
6946 
6947 int
6948 qla24xx_nvram_config(scsi_qla_host_t *vha)
6949 {
6950 	int   rval;
6951 	struct init_cb_24xx *icb;
6952 	struct nvram_24xx *nv;
6953 	uint32_t *dptr;
6954 	uint8_t  *dptr1, *dptr2;
6955 	uint32_t chksum;
6956 	uint16_t cnt;
6957 	struct qla_hw_data *ha = vha->hw;
6958 
6959 	rval = QLA_SUCCESS;
6960 	icb = (struct init_cb_24xx *)ha->init_cb;
6961 	nv = ha->nvram;
6962 
6963 	/* Determine NVRAM starting address. */
6964 	if (ha->port_no == 0) {
6965 		ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6966 		ha->vpd_base = FA_NVRAM_VPD0_ADDR;
6967 	} else {
6968 		ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6969 		ha->vpd_base = FA_NVRAM_VPD1_ADDR;
6970 	}
6971 
6972 	ha->nvram_size = sizeof(struct nvram_24xx);
6973 	ha->vpd_size = FA_NVRAM_VPD_SIZE;
6974 
6975 	/* Get VPD data into cache */
6976 	ha->vpd = ha->nvram + VPD_OFFSET;
6977 	ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
6978 	    ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
6979 
6980 	/* Get NVRAM data into cache and calculate checksum. */
6981 	dptr = (uint32_t *)nv;
6982 	ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
6983 	    ha->nvram_size);
6984 	for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
6985 		chksum += le32_to_cpu(*dptr);
6986 
6987 	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
6988 	    "Contents of NVRAM\n");
6989 	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
6990 	    (uint8_t *)nv, ha->nvram_size);
6991 
6992 	/* Bad NVRAM data, set defaults parameters. */
6993 	if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
6994 	    || nv->id[3] != ' ' ||
6995 	    nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
6996 		/* Reset NVRAM data. */
6997 		ql_log(ql_log_warn, vha, 0x006b,
6998 		    "Inconsistent NVRAM detected: checksum=0x%x id=%c "
6999 		    "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
7000 		ql_log(ql_log_warn, vha, 0x006c,
7001 		    "Falling back to functioning (yet invalid -- WWPN) "
7002 		    "defaults.\n");
7003 
7004 		/*
7005 		 * Set default initialization control block.
7006 		 */
7007 		memset(nv, 0, ha->nvram_size);
7008 		nv->nvram_version = cpu_to_le16(ICB_VERSION);
7009 		nv->version = cpu_to_le16(ICB_VERSION);
7010 		nv->frame_payload_size = 2048;
7011 		nv->execution_throttle = cpu_to_le16(0xFFFF);
7012 		nv->exchange_count = cpu_to_le16(0);
7013 		nv->hard_address = cpu_to_le16(124);
7014 		nv->port_name[0] = 0x21;
7015 		nv->port_name[1] = 0x00 + ha->port_no + 1;
7016 		nv->port_name[2] = 0x00;
7017 		nv->port_name[3] = 0xe0;
7018 		nv->port_name[4] = 0x8b;
7019 		nv->port_name[5] = 0x1c;
7020 		nv->port_name[6] = 0x55;
7021 		nv->port_name[7] = 0x86;
7022 		nv->node_name[0] = 0x20;
7023 		nv->node_name[1] = 0x00;
7024 		nv->node_name[2] = 0x00;
7025 		nv->node_name[3] = 0xe0;
7026 		nv->node_name[4] = 0x8b;
7027 		nv->node_name[5] = 0x1c;
7028 		nv->node_name[6] = 0x55;
7029 		nv->node_name[7] = 0x86;
7030 		qla24xx_nvram_wwn_from_ofw(vha, nv);
7031 		nv->login_retry_count = cpu_to_le16(8);
7032 		nv->interrupt_delay_timer = cpu_to_le16(0);
7033 		nv->login_timeout = cpu_to_le16(0);
7034 		nv->firmware_options_1 =
7035 		    cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7036 		nv->firmware_options_2 = cpu_to_le32(2 << 4);
7037 		nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7038 		nv->firmware_options_3 = cpu_to_le32(2 << 13);
7039 		nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7040 		nv->efi_parameters = cpu_to_le32(0);
7041 		nv->reset_delay = 5;
7042 		nv->max_luns_per_target = cpu_to_le16(128);
7043 		nv->port_down_retry_count = cpu_to_le16(30);
7044 		nv->link_down_timeout = cpu_to_le16(30);
7045 
7046 		rval = 1;
7047 	}
7048 
7049 	if (qla_tgt_mode_enabled(vha)) {
7050 		/* Don't enable full login after initial LIP */
7051 		nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7052 		/* Don't enable LIP full login for initiator */
7053 		nv->host_p &= cpu_to_le32(~BIT_10);
7054 	}
7055 
7056 	qlt_24xx_config_nvram_stage1(vha, nv);
7057 
7058 	/* Reset Initialization control block */
7059 	memset(icb, 0, ha->init_cb_size);
7060 
7061 	/* Copy 1st segment. */
7062 	dptr1 = (uint8_t *)icb;
7063 	dptr2 = (uint8_t *)&nv->version;
7064 	cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7065 	while (cnt--)
7066 		*dptr1++ = *dptr2++;
7067 
7068 	icb->login_retry_count = nv->login_retry_count;
7069 	icb->link_down_on_nos = nv->link_down_on_nos;
7070 
7071 	/* Copy 2nd segment. */
7072 	dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7073 	dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7074 	cnt = (uint8_t *)&icb->reserved_3 -
7075 	    (uint8_t *)&icb->interrupt_delay_timer;
7076 	while (cnt--)
7077 		*dptr1++ = *dptr2++;
7078 	ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7079 	/*
7080 	 * Setup driver NVRAM options.
7081 	 */
7082 	qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7083 	    "QLA2462");
7084 
7085 	qlt_24xx_config_nvram_stage2(vha, icb);
7086 
7087 	if (nv->host_p & cpu_to_le32(BIT_15)) {
7088 		/* Use alternate WWN? */
7089 		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7090 		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7091 	}
7092 
7093 	/* Prepare nodename */
7094 	if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7095 		/*
7096 		 * Firmware will apply the following mask if the nodename was
7097 		 * not provided.
7098 		 */
7099 		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7100 		icb->node_name[0] &= 0xF0;
7101 	}
7102 
7103 	/* Set host adapter parameters. */
7104 	ha->flags.disable_risc_code_load = 0;
7105 	ha->flags.enable_lip_reset = 0;
7106 	ha->flags.enable_lip_full_login =
7107 	    le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
7108 	ha->flags.enable_target_reset =
7109 	    le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
7110 	ha->flags.enable_led_scheme = 0;
7111 	ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
7112 
7113 	ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7114 	    (BIT_6 | BIT_5 | BIT_4)) >> 4;
7115 
7116 	memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
7117 	    sizeof(ha->fw_seriallink_options24));
7118 
7119 	/* save HBA serial number */
7120 	ha->serial0 = icb->port_name[5];
7121 	ha->serial1 = icb->port_name[6];
7122 	ha->serial2 = icb->port_name[7];
7123 	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7124 	memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7125 
7126 	icb->execution_throttle = cpu_to_le16(0xFFFF);
7127 
7128 	ha->retry_count = le16_to_cpu(nv->login_retry_count);
7129 
7130 	/* Set minimum login_timeout to 4 seconds. */
7131 	if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7132 		nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7133 	if (le16_to_cpu(nv->login_timeout) < 4)
7134 		nv->login_timeout = cpu_to_le16(4);
7135 	ha->login_timeout = le16_to_cpu(nv->login_timeout);
7136 
7137 	/* Set minimum RATOV to 100 tenths of a second. */
7138 	ha->r_a_tov = 100;
7139 
7140 	ha->loop_reset_delay = nv->reset_delay;
7141 
7142 	/* Link Down Timeout = 0:
7143 	 *
7144 	 * 	When Port Down timer expires we will start returning
7145 	 *	I/O's to OS with "DID_NO_CONNECT".
7146 	 *
7147 	 * Link Down Timeout != 0:
7148 	 *
7149 	 *	 The driver waits for the link to come up after link down
7150 	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
7151 	 */
7152 	if (le16_to_cpu(nv->link_down_timeout) == 0) {
7153 		ha->loop_down_abort_time =
7154 		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7155 	} else {
7156 		ha->link_down_timeout =	le16_to_cpu(nv->link_down_timeout);
7157 		ha->loop_down_abort_time =
7158 		    (LOOP_DOWN_TIME - ha->link_down_timeout);
7159 	}
7160 
7161 	/* Need enough time to try and get the port back. */
7162 	ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7163 	if (qlport_down_retry)
7164 		ha->port_down_retry_count = qlport_down_retry;
7165 
7166 	/* Set login_retry_count */
7167 	ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
7168 	if (ha->port_down_retry_count ==
7169 	    le16_to_cpu(nv->port_down_retry_count) &&
7170 	    ha->port_down_retry_count > 3)
7171 		ha->login_retry_count = ha->port_down_retry_count;
7172 	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7173 		ha->login_retry_count = ha->port_down_retry_count;
7174 	if (ql2xloginretrycount)
7175 		ha->login_retry_count = ql2xloginretrycount;
7176 
7177 	/* N2N: driver will initiate Login instead of FW */
7178 	icb->firmware_options_3 |= BIT_8;
7179 
7180 	/* Enable ZIO. */
7181 	if (!vha->flags.init_done) {
7182 		ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7183 		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7184 		ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7185 		    le16_to_cpu(icb->interrupt_delay_timer): 2;
7186 	}
7187 	icb->firmware_options_2 &= cpu_to_le32(
7188 	    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7189 	if (ha->zio_mode != QLA_ZIO_DISABLED) {
7190 		ha->zio_mode = QLA_ZIO_MODE_6;
7191 
7192 		ql_log(ql_log_info, vha, 0x006f,
7193 		    "ZIO mode %d enabled; timer delay (%d us).\n",
7194 		    ha->zio_mode, ha->zio_timer * 100);
7195 
7196 		icb->firmware_options_2 |= cpu_to_le32(
7197 		    (uint32_t)ha->zio_mode);
7198 		icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7199 	}
7200 
7201 	if (rval) {
7202 		ql_log(ql_log_warn, vha, 0x0070,
7203 		    "NVRAM configuration failed.\n");
7204 	}
7205 	return (rval);
7206 }
7207 
7208 uint8_t qla27xx_find_valid_image(struct scsi_qla_host *vha)
7209 {
7210 	struct qla27xx_image_status pri_image_status, sec_image_status;
7211 	uint8_t valid_pri_image, valid_sec_image;
7212 	uint32_t *wptr;
7213 	uint32_t cnt, chksum, size;
7214 	struct qla_hw_data *ha = vha->hw;
7215 
7216 	valid_pri_image = valid_sec_image = 1;
7217 	ha->active_image = 0;
7218 	size = sizeof(struct qla27xx_image_status) / sizeof(uint32_t);
7219 
7220 	if (!ha->flt_region_img_status_pri) {
7221 		valid_pri_image = 0;
7222 		goto check_sec_image;
7223 	}
7224 
7225 	qla24xx_read_flash_data(vha, (uint32_t *)(&pri_image_status),
7226 	    ha->flt_region_img_status_pri, size);
7227 
7228 	if (pri_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7229 		ql_dbg(ql_dbg_init, vha, 0x018b,
7230 		    "Primary image signature (0x%x) not valid\n",
7231 		    pri_image_status.signature);
7232 		valid_pri_image = 0;
7233 		goto check_sec_image;
7234 	}
7235 
7236 	wptr = (uint32_t *)(&pri_image_status);
7237 	cnt = size;
7238 
7239 	for (chksum = 0; cnt--; wptr++)
7240 		chksum += le32_to_cpu(*wptr);
7241 
7242 	if (chksum) {
7243 		ql_dbg(ql_dbg_init, vha, 0x018c,
7244 		    "Checksum validation failed for primary image (0x%x)\n",
7245 		    chksum);
7246 		valid_pri_image = 0;
7247 	}
7248 
7249 check_sec_image:
7250 	if (!ha->flt_region_img_status_sec) {
7251 		valid_sec_image = 0;
7252 		goto check_valid_image;
7253 	}
7254 
7255 	qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
7256 	    ha->flt_region_img_status_sec, size);
7257 
7258 	if (sec_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7259 		ql_dbg(ql_dbg_init, vha, 0x018d,
7260 		    "Secondary image signature(0x%x) not valid\n",
7261 		    sec_image_status.signature);
7262 		valid_sec_image = 0;
7263 		goto check_valid_image;
7264 	}
7265 
7266 	wptr = (uint32_t *)(&sec_image_status);
7267 	cnt = size;
7268 	for (chksum = 0; cnt--; wptr++)
7269 		chksum += le32_to_cpu(*wptr);
7270 	if (chksum) {
7271 		ql_dbg(ql_dbg_init, vha, 0x018e,
7272 		    "Checksum validation failed for secondary image (0x%x)\n",
7273 		    chksum);
7274 		valid_sec_image = 0;
7275 	}
7276 
7277 check_valid_image:
7278 	if (valid_pri_image && (pri_image_status.image_status_mask & 0x1))
7279 		ha->active_image = QLA27XX_PRIMARY_IMAGE;
7280 	if (valid_sec_image && (sec_image_status.image_status_mask & 0x1)) {
7281 		if (!ha->active_image ||
7282 		    pri_image_status.generation_number <
7283 		    sec_image_status.generation_number)
7284 			ha->active_image = QLA27XX_SECONDARY_IMAGE;
7285 	}
7286 
7287 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x018f, "%s image\n",
7288 	    ha->active_image == 0 ? "default bootld and fw" :
7289 	    ha->active_image == 1 ? "primary" :
7290 	    ha->active_image == 2 ? "secondary" :
7291 	    "Invalid");
7292 
7293 	return ha->active_image;
7294 }
7295 
7296 static int
7297 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
7298     uint32_t faddr)
7299 {
7300 	int	rval = QLA_SUCCESS;
7301 	int	segments, fragment;
7302 	uint32_t *dcode, dlen;
7303 	uint32_t risc_addr;
7304 	uint32_t risc_size;
7305 	uint32_t i;
7306 	struct qla_hw_data *ha = vha->hw;
7307 	struct req_que *req = ha->req_q_map[0];
7308 
7309 	ql_dbg(ql_dbg_init, vha, 0x008b,
7310 	    "FW: Loading firmware from flash (%x).\n", faddr);
7311 
7312 	rval = QLA_SUCCESS;
7313 
7314 	segments = FA_RISC_CODE_SEGMENTS;
7315 	dcode = (uint32_t *)req->ring;
7316 	*srisc_addr = 0;
7317 
7318 	if (IS_QLA27XX(ha) &&
7319 	    qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
7320 		faddr = ha->flt_region_fw_sec;
7321 
7322 	/* Validate firmware image by checking version. */
7323 	qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
7324 	for (i = 0; i < 4; i++)
7325 		dcode[i] = be32_to_cpu(dcode[i]);
7326 	if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7327 	    dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7328 	    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7329 		dcode[3] == 0)) {
7330 		ql_log(ql_log_fatal, vha, 0x008c,
7331 		    "Unable to verify the integrity of flash firmware "
7332 		    "image.\n");
7333 		ql_log(ql_log_fatal, vha, 0x008d,
7334 		    "Firmware data: %08x %08x %08x %08x.\n",
7335 		    dcode[0], dcode[1], dcode[2], dcode[3]);
7336 
7337 		return QLA_FUNCTION_FAILED;
7338 	}
7339 
7340 	while (segments && rval == QLA_SUCCESS) {
7341 		/* Read segment's load information. */
7342 		qla24xx_read_flash_data(vha, dcode, faddr, 4);
7343 
7344 		risc_addr = be32_to_cpu(dcode[2]);
7345 		*srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7346 		risc_size = be32_to_cpu(dcode[3]);
7347 
7348 		fragment = 0;
7349 		while (risc_size > 0 && rval == QLA_SUCCESS) {
7350 			dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7351 			if (dlen > risc_size)
7352 				dlen = risc_size;
7353 
7354 			ql_dbg(ql_dbg_init, vha, 0x008e,
7355 			    "Loading risc segment@ risc addr %x "
7356 			    "number of dwords 0x%x offset 0x%x.\n",
7357 			    risc_addr, dlen, faddr);
7358 
7359 			qla24xx_read_flash_data(vha, dcode, faddr, dlen);
7360 			for (i = 0; i < dlen; i++)
7361 				dcode[i] = swab32(dcode[i]);
7362 
7363 			rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7364 			    dlen);
7365 			if (rval) {
7366 				ql_log(ql_log_fatal, vha, 0x008f,
7367 				    "Failed to load segment %d of firmware.\n",
7368 				    fragment);
7369 				return QLA_FUNCTION_FAILED;
7370 			}
7371 
7372 			faddr += dlen;
7373 			risc_addr += dlen;
7374 			risc_size -= dlen;
7375 			fragment++;
7376 		}
7377 
7378 		/* Next segment. */
7379 		segments--;
7380 	}
7381 
7382 	if (!IS_QLA27XX(ha))
7383 		return rval;
7384 
7385 	if (ha->fw_dump_template)
7386 		vfree(ha->fw_dump_template);
7387 	ha->fw_dump_template = NULL;
7388 	ha->fw_dump_template_len = 0;
7389 
7390 	ql_dbg(ql_dbg_init, vha, 0x0161,
7391 	    "Loading fwdump template from %x\n", faddr);
7392 	qla24xx_read_flash_data(vha, dcode, faddr, 7);
7393 	risc_size = be32_to_cpu(dcode[2]);
7394 	ql_dbg(ql_dbg_init, vha, 0x0162,
7395 	    "-> array size %x dwords\n", risc_size);
7396 	if (risc_size == 0 || risc_size == ~0)
7397 		goto default_template;
7398 
7399 	dlen = (risc_size - 8) * sizeof(*dcode);
7400 	ql_dbg(ql_dbg_init, vha, 0x0163,
7401 	    "-> template allocating %x bytes...\n", dlen);
7402 	ha->fw_dump_template = vmalloc(dlen);
7403 	if (!ha->fw_dump_template) {
7404 		ql_log(ql_log_warn, vha, 0x0164,
7405 		    "Failed fwdump template allocate %x bytes.\n", risc_size);
7406 		goto default_template;
7407 	}
7408 
7409 	faddr += 7;
7410 	risc_size -= 8;
7411 	dcode = ha->fw_dump_template;
7412 	qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
7413 	for (i = 0; i < risc_size; i++)
7414 		dcode[i] = le32_to_cpu(dcode[i]);
7415 
7416 	if (!qla27xx_fwdt_template_valid(dcode)) {
7417 		ql_log(ql_log_warn, vha, 0x0165,
7418 		    "Failed fwdump template validate\n");
7419 		goto default_template;
7420 	}
7421 
7422 	dlen = qla27xx_fwdt_template_size(dcode);
7423 	ql_dbg(ql_dbg_init, vha, 0x0166,
7424 	    "-> template size %x bytes\n", dlen);
7425 	if (dlen > risc_size * sizeof(*dcode)) {
7426 		ql_log(ql_log_warn, vha, 0x0167,
7427 		    "Failed fwdump template exceeds array by %zx bytes\n",
7428 		    (size_t)(dlen - risc_size * sizeof(*dcode)));
7429 		goto default_template;
7430 	}
7431 	ha->fw_dump_template_len = dlen;
7432 	return rval;
7433 
7434 default_template:
7435 	ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
7436 	if (ha->fw_dump_template)
7437 		vfree(ha->fw_dump_template);
7438 	ha->fw_dump_template = NULL;
7439 	ha->fw_dump_template_len = 0;
7440 
7441 	dlen = qla27xx_fwdt_template_default_size();
7442 	ql_dbg(ql_dbg_init, vha, 0x0169,
7443 	    "-> template allocating %x bytes...\n", dlen);
7444 	ha->fw_dump_template = vmalloc(dlen);
7445 	if (!ha->fw_dump_template) {
7446 		ql_log(ql_log_warn, vha, 0x016a,
7447 		    "Failed fwdump template allocate %x bytes.\n", risc_size);
7448 		goto failed_template;
7449 	}
7450 
7451 	dcode = ha->fw_dump_template;
7452 	risc_size = dlen / sizeof(*dcode);
7453 	memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
7454 	for (i = 0; i < risc_size; i++)
7455 		dcode[i] = be32_to_cpu(dcode[i]);
7456 
7457 	if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7458 		ql_log(ql_log_warn, vha, 0x016b,
7459 		    "Failed fwdump template validate\n");
7460 		goto failed_template;
7461 	}
7462 
7463 	dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7464 	ql_dbg(ql_dbg_init, vha, 0x016c,
7465 	    "-> template size %x bytes\n", dlen);
7466 	ha->fw_dump_template_len = dlen;
7467 	return rval;
7468 
7469 failed_template:
7470 	ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
7471 	if (ha->fw_dump_template)
7472 		vfree(ha->fw_dump_template);
7473 	ha->fw_dump_template = NULL;
7474 	ha->fw_dump_template_len = 0;
7475 	return rval;
7476 }
7477 
7478 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
7479 
7480 int
7481 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7482 {
7483 	int	rval;
7484 	int	i, fragment;
7485 	uint16_t *wcode, *fwcode;
7486 	uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
7487 	struct fw_blob *blob;
7488 	struct qla_hw_data *ha = vha->hw;
7489 	struct req_que *req = ha->req_q_map[0];
7490 
7491 	/* Load firmware blob. */
7492 	blob = qla2x00_request_firmware(vha);
7493 	if (!blob) {
7494 		ql_log(ql_log_info, vha, 0x0083,
7495 		    "Firmware image unavailable.\n");
7496 		ql_log(ql_log_info, vha, 0x0084,
7497 		    "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
7498 		return QLA_FUNCTION_FAILED;
7499 	}
7500 
7501 	rval = QLA_SUCCESS;
7502 
7503 	wcode = (uint16_t *)req->ring;
7504 	*srisc_addr = 0;
7505 	fwcode = (uint16_t *)blob->fw->data;
7506 	fwclen = 0;
7507 
7508 	/* Validate firmware image by checking version. */
7509 	if (blob->fw->size < 8 * sizeof(uint16_t)) {
7510 		ql_log(ql_log_fatal, vha, 0x0085,
7511 		    "Unable to verify integrity of firmware image (%zd).\n",
7512 		    blob->fw->size);
7513 		goto fail_fw_integrity;
7514 	}
7515 	for (i = 0; i < 4; i++)
7516 		wcode[i] = be16_to_cpu(fwcode[i + 4]);
7517 	if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
7518 	    wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
7519 		wcode[2] == 0 && wcode[3] == 0)) {
7520 		ql_log(ql_log_fatal, vha, 0x0086,
7521 		    "Unable to verify integrity of firmware image.\n");
7522 		ql_log(ql_log_fatal, vha, 0x0087,
7523 		    "Firmware data: %04x %04x %04x %04x.\n",
7524 		    wcode[0], wcode[1], wcode[2], wcode[3]);
7525 		goto fail_fw_integrity;
7526 	}
7527 
7528 	seg = blob->segs;
7529 	while (*seg && rval == QLA_SUCCESS) {
7530 		risc_addr = *seg;
7531 		*srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
7532 		risc_size = be16_to_cpu(fwcode[3]);
7533 
7534 		/* Validate firmware image size. */
7535 		fwclen += risc_size * sizeof(uint16_t);
7536 		if (blob->fw->size < fwclen) {
7537 			ql_log(ql_log_fatal, vha, 0x0088,
7538 			    "Unable to verify integrity of firmware image "
7539 			    "(%zd).\n", blob->fw->size);
7540 			goto fail_fw_integrity;
7541 		}
7542 
7543 		fragment = 0;
7544 		while (risc_size > 0 && rval == QLA_SUCCESS) {
7545 			wlen = (uint16_t)(ha->fw_transfer_size >> 1);
7546 			if (wlen > risc_size)
7547 				wlen = risc_size;
7548 			ql_dbg(ql_dbg_init, vha, 0x0089,
7549 			    "Loading risc segment@ risc addr %x number of "
7550 			    "words 0x%x.\n", risc_addr, wlen);
7551 
7552 			for (i = 0; i < wlen; i++)
7553 				wcode[i] = swab16(fwcode[i]);
7554 
7555 			rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7556 			    wlen);
7557 			if (rval) {
7558 				ql_log(ql_log_fatal, vha, 0x008a,
7559 				    "Failed to load segment %d of firmware.\n",
7560 				    fragment);
7561 				break;
7562 			}
7563 
7564 			fwcode += wlen;
7565 			risc_addr += wlen;
7566 			risc_size -= wlen;
7567 			fragment++;
7568 		}
7569 
7570 		/* Next segment. */
7571 		seg++;
7572 	}
7573 	return rval;
7574 
7575 fail_fw_integrity:
7576 	return QLA_FUNCTION_FAILED;
7577 }
7578 
7579 static int
7580 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7581 {
7582 	int	rval;
7583 	int	segments, fragment;
7584 	uint32_t *dcode, dlen;
7585 	uint32_t risc_addr;
7586 	uint32_t risc_size;
7587 	uint32_t i;
7588 	struct fw_blob *blob;
7589 	const uint32_t *fwcode;
7590 	uint32_t fwclen;
7591 	struct qla_hw_data *ha = vha->hw;
7592 	struct req_que *req = ha->req_q_map[0];
7593 
7594 	/* Load firmware blob. */
7595 	blob = qla2x00_request_firmware(vha);
7596 	if (!blob) {
7597 		ql_log(ql_log_warn, vha, 0x0090,
7598 		    "Firmware image unavailable.\n");
7599 		ql_log(ql_log_warn, vha, 0x0091,
7600 		    "Firmware images can be retrieved from: "
7601 		    QLA_FW_URL ".\n");
7602 
7603 		return QLA_FUNCTION_FAILED;
7604 	}
7605 
7606 	ql_dbg(ql_dbg_init, vha, 0x0092,
7607 	    "FW: Loading via request-firmware.\n");
7608 
7609 	rval = QLA_SUCCESS;
7610 
7611 	segments = FA_RISC_CODE_SEGMENTS;
7612 	dcode = (uint32_t *)req->ring;
7613 	*srisc_addr = 0;
7614 	fwcode = (uint32_t *)blob->fw->data;
7615 	fwclen = 0;
7616 
7617 	/* Validate firmware image by checking version. */
7618 	if (blob->fw->size < 8 * sizeof(uint32_t)) {
7619 		ql_log(ql_log_fatal, vha, 0x0093,
7620 		    "Unable to verify integrity of firmware image (%zd).\n",
7621 		    blob->fw->size);
7622 		return QLA_FUNCTION_FAILED;
7623 	}
7624 	for (i = 0; i < 4; i++)
7625 		dcode[i] = be32_to_cpu(fwcode[i + 4]);
7626 	if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7627 	    dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7628 	    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7629 		dcode[3] == 0)) {
7630 		ql_log(ql_log_fatal, vha, 0x0094,
7631 		    "Unable to verify integrity of firmware image (%zd).\n",
7632 		    blob->fw->size);
7633 		ql_log(ql_log_fatal, vha, 0x0095,
7634 		    "Firmware data: %08x %08x %08x %08x.\n",
7635 		    dcode[0], dcode[1], dcode[2], dcode[3]);
7636 		return QLA_FUNCTION_FAILED;
7637 	}
7638 
7639 	while (segments && rval == QLA_SUCCESS) {
7640 		risc_addr = be32_to_cpu(fwcode[2]);
7641 		*srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7642 		risc_size = be32_to_cpu(fwcode[3]);
7643 
7644 		/* Validate firmware image size. */
7645 		fwclen += risc_size * sizeof(uint32_t);
7646 		if (blob->fw->size < fwclen) {
7647 			ql_log(ql_log_fatal, vha, 0x0096,
7648 			    "Unable to verify integrity of firmware image "
7649 			    "(%zd).\n", blob->fw->size);
7650 			return QLA_FUNCTION_FAILED;
7651 		}
7652 
7653 		fragment = 0;
7654 		while (risc_size > 0 && rval == QLA_SUCCESS) {
7655 			dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7656 			if (dlen > risc_size)
7657 				dlen = risc_size;
7658 
7659 			ql_dbg(ql_dbg_init, vha, 0x0097,
7660 			    "Loading risc segment@ risc addr %x "
7661 			    "number of dwords 0x%x.\n", risc_addr, dlen);
7662 
7663 			for (i = 0; i < dlen; i++)
7664 				dcode[i] = swab32(fwcode[i]);
7665 
7666 			rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7667 			    dlen);
7668 			if (rval) {
7669 				ql_log(ql_log_fatal, vha, 0x0098,
7670 				    "Failed to load segment %d of firmware.\n",
7671 				    fragment);
7672 				return QLA_FUNCTION_FAILED;
7673 			}
7674 
7675 			fwcode += dlen;
7676 			risc_addr += dlen;
7677 			risc_size -= dlen;
7678 			fragment++;
7679 		}
7680 
7681 		/* Next segment. */
7682 		segments--;
7683 	}
7684 
7685 	if (!IS_QLA27XX(ha))
7686 		return rval;
7687 
7688 	if (ha->fw_dump_template)
7689 		vfree(ha->fw_dump_template);
7690 	ha->fw_dump_template = NULL;
7691 	ha->fw_dump_template_len = 0;
7692 
7693 	ql_dbg(ql_dbg_init, vha, 0x171,
7694 	    "Loading fwdump template from %x\n",
7695 	    (uint32_t)((void *)fwcode - (void *)blob->fw->data));
7696 	risc_size = be32_to_cpu(fwcode[2]);
7697 	ql_dbg(ql_dbg_init, vha, 0x172,
7698 	    "-> array size %x dwords\n", risc_size);
7699 	if (risc_size == 0 || risc_size == ~0)
7700 		goto default_template;
7701 
7702 	dlen = (risc_size - 8) * sizeof(*fwcode);
7703 	ql_dbg(ql_dbg_init, vha, 0x0173,
7704 	    "-> template allocating %x bytes...\n", dlen);
7705 	ha->fw_dump_template = vmalloc(dlen);
7706 	if (!ha->fw_dump_template) {
7707 		ql_log(ql_log_warn, vha, 0x0174,
7708 		    "Failed fwdump template allocate %x bytes.\n", risc_size);
7709 		goto default_template;
7710 	}
7711 
7712 	fwcode += 7;
7713 	risc_size -= 8;
7714 	dcode = ha->fw_dump_template;
7715 	for (i = 0; i < risc_size; i++)
7716 		dcode[i] = le32_to_cpu(fwcode[i]);
7717 
7718 	if (!qla27xx_fwdt_template_valid(dcode)) {
7719 		ql_log(ql_log_warn, vha, 0x0175,
7720 		    "Failed fwdump template validate\n");
7721 		goto default_template;
7722 	}
7723 
7724 	dlen = qla27xx_fwdt_template_size(dcode);
7725 	ql_dbg(ql_dbg_init, vha, 0x0176,
7726 	    "-> template size %x bytes\n", dlen);
7727 	if (dlen > risc_size * sizeof(*fwcode)) {
7728 		ql_log(ql_log_warn, vha, 0x0177,
7729 		    "Failed fwdump template exceeds array by %zx bytes\n",
7730 		    (size_t)(dlen - risc_size * sizeof(*fwcode)));
7731 		goto default_template;
7732 	}
7733 	ha->fw_dump_template_len = dlen;
7734 	return rval;
7735 
7736 default_template:
7737 	ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
7738 	if (ha->fw_dump_template)
7739 		vfree(ha->fw_dump_template);
7740 	ha->fw_dump_template = NULL;
7741 	ha->fw_dump_template_len = 0;
7742 
7743 	dlen = qla27xx_fwdt_template_default_size();
7744 	ql_dbg(ql_dbg_init, vha, 0x0179,
7745 	    "-> template allocating %x bytes...\n", dlen);
7746 	ha->fw_dump_template = vmalloc(dlen);
7747 	if (!ha->fw_dump_template) {
7748 		ql_log(ql_log_warn, vha, 0x017a,
7749 		    "Failed fwdump template allocate %x bytes.\n", risc_size);
7750 		goto failed_template;
7751 	}
7752 
7753 	dcode = ha->fw_dump_template;
7754 	risc_size = dlen / sizeof(*fwcode);
7755 	fwcode = qla27xx_fwdt_template_default();
7756 	for (i = 0; i < risc_size; i++)
7757 		dcode[i] = be32_to_cpu(fwcode[i]);
7758 
7759 	if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7760 		ql_log(ql_log_warn, vha, 0x017b,
7761 		    "Failed fwdump template validate\n");
7762 		goto failed_template;
7763 	}
7764 
7765 	dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7766 	ql_dbg(ql_dbg_init, vha, 0x017c,
7767 	    "-> template size %x bytes\n", dlen);
7768 	ha->fw_dump_template_len = dlen;
7769 	return rval;
7770 
7771 failed_template:
7772 	ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
7773 	if (ha->fw_dump_template)
7774 		vfree(ha->fw_dump_template);
7775 	ha->fw_dump_template = NULL;
7776 	ha->fw_dump_template_len = 0;
7777 	return rval;
7778 }
7779 
7780 int
7781 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7782 {
7783 	int rval;
7784 
7785 	if (ql2xfwloadbin == 1)
7786 		return qla81xx_load_risc(vha, srisc_addr);
7787 
7788 	/*
7789 	 * FW Load priority:
7790 	 * 1) Firmware via request-firmware interface (.bin file).
7791 	 * 2) Firmware residing in flash.
7792 	 */
7793 	rval = qla24xx_load_risc_blob(vha, srisc_addr);
7794 	if (rval == QLA_SUCCESS)
7795 		return rval;
7796 
7797 	return qla24xx_load_risc_flash(vha, srisc_addr,
7798 	    vha->hw->flt_region_fw);
7799 }
7800 
7801 int
7802 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7803 {
7804 	int rval;
7805 	struct qla_hw_data *ha = vha->hw;
7806 
7807 	if (ql2xfwloadbin == 2)
7808 		goto try_blob_fw;
7809 
7810 	/*
7811 	 * FW Load priority:
7812 	 * 1) Firmware residing in flash.
7813 	 * 2) Firmware via request-firmware interface (.bin file).
7814 	 * 3) Golden-Firmware residing in flash -- limited operation.
7815 	 */
7816 	rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
7817 	if (rval == QLA_SUCCESS)
7818 		return rval;
7819 
7820 try_blob_fw:
7821 	rval = qla24xx_load_risc_blob(vha, srisc_addr);
7822 	if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
7823 		return rval;
7824 
7825 	ql_log(ql_log_info, vha, 0x0099,
7826 	    "Attempting to fallback to golden firmware.\n");
7827 	rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
7828 	if (rval != QLA_SUCCESS)
7829 		return rval;
7830 
7831 	ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
7832 	ha->flags.running_gold_fw = 1;
7833 	return rval;
7834 }
7835 
7836 void
7837 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
7838 {
7839 	int ret, retries;
7840 	struct qla_hw_data *ha = vha->hw;
7841 
7842 	if (ha->flags.pci_channel_io_perm_failure)
7843 		return;
7844 	if (!IS_FWI2_CAPABLE(ha))
7845 		return;
7846 	if (!ha->fw_major_version)
7847 		return;
7848 	if (!ha->flags.fw_started)
7849 		return;
7850 
7851 	ret = qla2x00_stop_firmware(vha);
7852 	for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
7853 	    ret != QLA_INVALID_COMMAND && retries ; retries--) {
7854 		ha->isp_ops->reset_chip(vha);
7855 		if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
7856 			continue;
7857 		if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
7858 			continue;
7859 		ql_log(ql_log_info, vha, 0x8015,
7860 		    "Attempting retry of stop-firmware command.\n");
7861 		ret = qla2x00_stop_firmware(vha);
7862 	}
7863 
7864 	QLA_FW_STOPPED(ha);
7865 	ha->flags.fw_init_done = 0;
7866 }
7867 
7868 int
7869 qla24xx_configure_vhba(scsi_qla_host_t *vha)
7870 {
7871 	int rval = QLA_SUCCESS;
7872 	int rval2;
7873 	uint16_t mb[MAILBOX_REGISTER_COUNT];
7874 	struct qla_hw_data *ha = vha->hw;
7875 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7876 
7877 	if (!vha->vp_idx)
7878 		return -EINVAL;
7879 
7880 	rval = qla2x00_fw_ready(base_vha);
7881 
7882 	if (rval == QLA_SUCCESS) {
7883 		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7884 		qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
7885 	}
7886 
7887 	vha->flags.management_server_logged_in = 0;
7888 
7889 	/* Login to SNS first */
7890 	rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
7891 	    BIT_1);
7892 	if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
7893 		if (rval2 == QLA_MEMORY_ALLOC_FAILED)
7894 			ql_dbg(ql_dbg_init, vha, 0x0120,
7895 			    "Failed SNS login: loop_id=%x, rval2=%d\n",
7896 			    NPH_SNS, rval2);
7897 		else
7898 			ql_dbg(ql_dbg_init, vha, 0x0103,
7899 			    "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
7900 			    "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
7901 			    NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
7902 		return (QLA_FUNCTION_FAILED);
7903 	}
7904 
7905 	atomic_set(&vha->loop_down_timer, 0);
7906 	atomic_set(&vha->loop_state, LOOP_UP);
7907 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7908 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
7909 	rval = qla2x00_loop_resync(base_vha);
7910 
7911 	return rval;
7912 }
7913 
7914 /* 84XX Support **************************************************************/
7915 
7916 static LIST_HEAD(qla_cs84xx_list);
7917 static DEFINE_MUTEX(qla_cs84xx_mutex);
7918 
7919 static struct qla_chip_state_84xx *
7920 qla84xx_get_chip(struct scsi_qla_host *vha)
7921 {
7922 	struct qla_chip_state_84xx *cs84xx;
7923 	struct qla_hw_data *ha = vha->hw;
7924 
7925 	mutex_lock(&qla_cs84xx_mutex);
7926 
7927 	/* Find any shared 84xx chip. */
7928 	list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
7929 		if (cs84xx->bus == ha->pdev->bus) {
7930 			kref_get(&cs84xx->kref);
7931 			goto done;
7932 		}
7933 	}
7934 
7935 	cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
7936 	if (!cs84xx)
7937 		goto done;
7938 
7939 	kref_init(&cs84xx->kref);
7940 	spin_lock_init(&cs84xx->access_lock);
7941 	mutex_init(&cs84xx->fw_update_mutex);
7942 	cs84xx->bus = ha->pdev->bus;
7943 
7944 	list_add_tail(&cs84xx->list, &qla_cs84xx_list);
7945 done:
7946 	mutex_unlock(&qla_cs84xx_mutex);
7947 	return cs84xx;
7948 }
7949 
7950 static void
7951 __qla84xx_chip_release(struct kref *kref)
7952 {
7953 	struct qla_chip_state_84xx *cs84xx =
7954 	    container_of(kref, struct qla_chip_state_84xx, kref);
7955 
7956 	mutex_lock(&qla_cs84xx_mutex);
7957 	list_del(&cs84xx->list);
7958 	mutex_unlock(&qla_cs84xx_mutex);
7959 	kfree(cs84xx);
7960 }
7961 
7962 void
7963 qla84xx_put_chip(struct scsi_qla_host *vha)
7964 {
7965 	struct qla_hw_data *ha = vha->hw;
7966 	if (ha->cs84xx)
7967 		kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
7968 }
7969 
7970 static int
7971 qla84xx_init_chip(scsi_qla_host_t *vha)
7972 {
7973 	int rval;
7974 	uint16_t status[2];
7975 	struct qla_hw_data *ha = vha->hw;
7976 
7977 	mutex_lock(&ha->cs84xx->fw_update_mutex);
7978 
7979 	rval = qla84xx_verify_chip(vha, status);
7980 
7981 	mutex_unlock(&ha->cs84xx->fw_update_mutex);
7982 
7983 	return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
7984 	    QLA_SUCCESS;
7985 }
7986 
7987 /* 81XX Support **************************************************************/
7988 
7989 int
7990 qla81xx_nvram_config(scsi_qla_host_t *vha)
7991 {
7992 	int   rval;
7993 	struct init_cb_81xx *icb;
7994 	struct nvram_81xx *nv;
7995 	uint32_t *dptr;
7996 	uint8_t  *dptr1, *dptr2;
7997 	uint32_t chksum;
7998 	uint16_t cnt;
7999 	struct qla_hw_data *ha = vha->hw;
8000 
8001 	rval = QLA_SUCCESS;
8002 	icb = (struct init_cb_81xx *)ha->init_cb;
8003 	nv = ha->nvram;
8004 
8005 	/* Determine NVRAM starting address. */
8006 	ha->nvram_size = sizeof(struct nvram_81xx);
8007 	ha->vpd_size = FA_NVRAM_VPD_SIZE;
8008 	if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
8009 		ha->vpd_size = FA_VPD_SIZE_82XX;
8010 
8011 	/* Get VPD data into cache */
8012 	ha->vpd = ha->nvram + VPD_OFFSET;
8013 	ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
8014 	    ha->vpd_size);
8015 
8016 	/* Get NVRAM data into cache and calculate checksum. */
8017 	ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
8018 	    ha->nvram_size);
8019 	dptr = (uint32_t *)nv;
8020 	for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
8021 		chksum += le32_to_cpu(*dptr);
8022 
8023 	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
8024 	    "Contents of NVRAM:\n");
8025 	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
8026 	    (uint8_t *)nv, ha->nvram_size);
8027 
8028 	/* Bad NVRAM data, set defaults parameters. */
8029 	if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
8030 	    || nv->id[3] != ' ' ||
8031 	    nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
8032 		/* Reset NVRAM data. */
8033 		ql_log(ql_log_info, vha, 0x0073,
8034 		    "Inconsistent NVRAM detected: checksum=0x%x id=%c "
8035 		    "version=0x%x.\n", chksum, nv->id[0],
8036 		    le16_to_cpu(nv->nvram_version));
8037 		ql_log(ql_log_info, vha, 0x0074,
8038 		    "Falling back to functioning (yet invalid -- WWPN) "
8039 		    "defaults.\n");
8040 
8041 		/*
8042 		 * Set default initialization control block.
8043 		 */
8044 		memset(nv, 0, ha->nvram_size);
8045 		nv->nvram_version = cpu_to_le16(ICB_VERSION);
8046 		nv->version = cpu_to_le16(ICB_VERSION);
8047 		nv->frame_payload_size = 2048;
8048 		nv->execution_throttle = cpu_to_le16(0xFFFF);
8049 		nv->exchange_count = cpu_to_le16(0);
8050 		nv->port_name[0] = 0x21;
8051 		nv->port_name[1] = 0x00 + ha->port_no + 1;
8052 		nv->port_name[2] = 0x00;
8053 		nv->port_name[3] = 0xe0;
8054 		nv->port_name[4] = 0x8b;
8055 		nv->port_name[5] = 0x1c;
8056 		nv->port_name[6] = 0x55;
8057 		nv->port_name[7] = 0x86;
8058 		nv->node_name[0] = 0x20;
8059 		nv->node_name[1] = 0x00;
8060 		nv->node_name[2] = 0x00;
8061 		nv->node_name[3] = 0xe0;
8062 		nv->node_name[4] = 0x8b;
8063 		nv->node_name[5] = 0x1c;
8064 		nv->node_name[6] = 0x55;
8065 		nv->node_name[7] = 0x86;
8066 		nv->login_retry_count = cpu_to_le16(8);
8067 		nv->interrupt_delay_timer = cpu_to_le16(0);
8068 		nv->login_timeout = cpu_to_le16(0);
8069 		nv->firmware_options_1 =
8070 		    cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
8071 		nv->firmware_options_2 = cpu_to_le32(2 << 4);
8072 		nv->firmware_options_2 |= cpu_to_le32(BIT_12);
8073 		nv->firmware_options_3 = cpu_to_le32(2 << 13);
8074 		nv->host_p = cpu_to_le32(BIT_11|BIT_10);
8075 		nv->efi_parameters = cpu_to_le32(0);
8076 		nv->reset_delay = 5;
8077 		nv->max_luns_per_target = cpu_to_le16(128);
8078 		nv->port_down_retry_count = cpu_to_le16(30);
8079 		nv->link_down_timeout = cpu_to_le16(180);
8080 		nv->enode_mac[0] = 0x00;
8081 		nv->enode_mac[1] = 0xC0;
8082 		nv->enode_mac[2] = 0xDD;
8083 		nv->enode_mac[3] = 0x04;
8084 		nv->enode_mac[4] = 0x05;
8085 		nv->enode_mac[5] = 0x06 + ha->port_no + 1;
8086 
8087 		rval = 1;
8088 	}
8089 
8090 	if (IS_T10_PI_CAPABLE(ha))
8091 		nv->frame_payload_size &= ~7;
8092 
8093 	qlt_81xx_config_nvram_stage1(vha, nv);
8094 
8095 	/* Reset Initialization control block */
8096 	memset(icb, 0, ha->init_cb_size);
8097 
8098 	/* Copy 1st segment. */
8099 	dptr1 = (uint8_t *)icb;
8100 	dptr2 = (uint8_t *)&nv->version;
8101 	cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
8102 	while (cnt--)
8103 		*dptr1++ = *dptr2++;
8104 
8105 	icb->login_retry_count = nv->login_retry_count;
8106 
8107 	/* Copy 2nd segment. */
8108 	dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
8109 	dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
8110 	cnt = (uint8_t *)&icb->reserved_5 -
8111 	    (uint8_t *)&icb->interrupt_delay_timer;
8112 	while (cnt--)
8113 		*dptr1++ = *dptr2++;
8114 
8115 	memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
8116 	/* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
8117 	if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
8118 		icb->enode_mac[0] = 0x00;
8119 		icb->enode_mac[1] = 0xC0;
8120 		icb->enode_mac[2] = 0xDD;
8121 		icb->enode_mac[3] = 0x04;
8122 		icb->enode_mac[4] = 0x05;
8123 		icb->enode_mac[5] = 0x06 + ha->port_no + 1;
8124 	}
8125 
8126 	/* Use extended-initialization control block. */
8127 	memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
8128 	ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
8129 	/*
8130 	 * Setup driver NVRAM options.
8131 	 */
8132 	qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
8133 	    "QLE8XXX");
8134 
8135 	qlt_81xx_config_nvram_stage2(vha, icb);
8136 
8137 	/* Use alternate WWN? */
8138 	if (nv->host_p & cpu_to_le32(BIT_15)) {
8139 		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
8140 		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
8141 	}
8142 
8143 	/* Prepare nodename */
8144 	if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
8145 		/*
8146 		 * Firmware will apply the following mask if the nodename was
8147 		 * not provided.
8148 		 */
8149 		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
8150 		icb->node_name[0] &= 0xF0;
8151 	}
8152 
8153 	/* Set host adapter parameters. */
8154 	ha->flags.disable_risc_code_load = 0;
8155 	ha->flags.enable_lip_reset = 0;
8156 	ha->flags.enable_lip_full_login =
8157 	    le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
8158 	ha->flags.enable_target_reset =
8159 	    le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
8160 	ha->flags.enable_led_scheme = 0;
8161 	ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
8162 
8163 	ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
8164 	    (BIT_6 | BIT_5 | BIT_4)) >> 4;
8165 
8166 	/* save HBA serial number */
8167 	ha->serial0 = icb->port_name[5];
8168 	ha->serial1 = icb->port_name[6];
8169 	ha->serial2 = icb->port_name[7];
8170 	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
8171 	memcpy(vha->port_name, icb->port_name, WWN_SIZE);
8172 
8173 	icb->execution_throttle = cpu_to_le16(0xFFFF);
8174 
8175 	ha->retry_count = le16_to_cpu(nv->login_retry_count);
8176 
8177 	/* Set minimum login_timeout to 4 seconds. */
8178 	if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
8179 		nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
8180 	if (le16_to_cpu(nv->login_timeout) < 4)
8181 		nv->login_timeout = cpu_to_le16(4);
8182 	ha->login_timeout = le16_to_cpu(nv->login_timeout);
8183 
8184 	/* Set minimum RATOV to 100 tenths of a second. */
8185 	ha->r_a_tov = 100;
8186 
8187 	ha->loop_reset_delay = nv->reset_delay;
8188 
8189 	/* Link Down Timeout = 0:
8190 	 *
8191 	 *	When Port Down timer expires we will start returning
8192 	 *	I/O's to OS with "DID_NO_CONNECT".
8193 	 *
8194 	 * Link Down Timeout != 0:
8195 	 *
8196 	 *	 The driver waits for the link to come up after link down
8197 	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
8198 	 */
8199 	if (le16_to_cpu(nv->link_down_timeout) == 0) {
8200 		ha->loop_down_abort_time =
8201 		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
8202 	} else {
8203 		ha->link_down_timeout =	le16_to_cpu(nv->link_down_timeout);
8204 		ha->loop_down_abort_time =
8205 		    (LOOP_DOWN_TIME - ha->link_down_timeout);
8206 	}
8207 
8208 	/* Need enough time to try and get the port back. */
8209 	ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8210 	if (qlport_down_retry)
8211 		ha->port_down_retry_count = qlport_down_retry;
8212 
8213 	/* Set login_retry_count */
8214 	ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8215 	if (ha->port_down_retry_count ==
8216 	    le16_to_cpu(nv->port_down_retry_count) &&
8217 	    ha->port_down_retry_count > 3)
8218 		ha->login_retry_count = ha->port_down_retry_count;
8219 	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8220 		ha->login_retry_count = ha->port_down_retry_count;
8221 	if (ql2xloginretrycount)
8222 		ha->login_retry_count = ql2xloginretrycount;
8223 
8224 	/* if not running MSI-X we need handshaking on interrupts */
8225 	if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
8226 		icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8227 
8228 	/* Enable ZIO. */
8229 	if (!vha->flags.init_done) {
8230 		ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8231 		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8232 		ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8233 		    le16_to_cpu(icb->interrupt_delay_timer): 2;
8234 	}
8235 	icb->firmware_options_2 &= cpu_to_le32(
8236 	    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8237 	vha->flags.process_response_queue = 0;
8238 	if (ha->zio_mode != QLA_ZIO_DISABLED) {
8239 		ha->zio_mode = QLA_ZIO_MODE_6;
8240 
8241 		ql_log(ql_log_info, vha, 0x0075,
8242 		    "ZIO mode %d enabled; timer delay (%d us).\n",
8243 		    ha->zio_mode,
8244 		    ha->zio_timer * 100);
8245 
8246 		icb->firmware_options_2 |= cpu_to_le32(
8247 		    (uint32_t)ha->zio_mode);
8248 		icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8249 		vha->flags.process_response_queue = 1;
8250 	}
8251 
8252 	 /* enable RIDA Format2 */
8253 	icb->firmware_options_3 |= BIT_0;
8254 
8255 	/* N2N: driver will initiate Login instead of FW */
8256 	icb->firmware_options_3 |= BIT_8;
8257 
8258 	if (IS_QLA27XX(ha)) {
8259 		icb->firmware_options_3 |= BIT_8;
8260 		ql_dbg(ql_log_info, vha, 0x0075,
8261 		    "Enabling direct connection.\n");
8262 	}
8263 
8264 	if (rval) {
8265 		ql_log(ql_log_warn, vha, 0x0076,
8266 		    "NVRAM configuration failed.\n");
8267 	}
8268 	return (rval);
8269 }
8270 
8271 int
8272 qla82xx_restart_isp(scsi_qla_host_t *vha)
8273 {
8274 	int status, rval;
8275 	struct qla_hw_data *ha = vha->hw;
8276 	struct scsi_qla_host *vp;
8277 	unsigned long flags;
8278 
8279 	status = qla2x00_init_rings(vha);
8280 	if (!status) {
8281 		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8282 		ha->flags.chip_reset_done = 1;
8283 
8284 		status = qla2x00_fw_ready(vha);
8285 		if (!status) {
8286 			/* Issue a marker after FW becomes ready. */
8287 			qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8288 			vha->flags.online = 1;
8289 			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8290 		}
8291 
8292 		/* if no cable then assume it's good */
8293 		if ((vha->device_flags & DFLG_NO_CABLE))
8294 			status = 0;
8295 	}
8296 
8297 	if (!status) {
8298 		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8299 
8300 		if (!atomic_read(&vha->loop_down_timer)) {
8301 			/*
8302 			 * Issue marker command only when we are going
8303 			 * to start the I/O .
8304 			 */
8305 			vha->marker_needed = 1;
8306 		}
8307 
8308 		ha->isp_ops->enable_intrs(ha);
8309 
8310 		ha->isp_abort_cnt = 0;
8311 		clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
8312 
8313 		/* Update the firmware version */
8314 		status = qla82xx_check_md_needed(vha);
8315 
8316 		if (ha->fce) {
8317 			ha->flags.fce_enabled = 1;
8318 			memset(ha->fce, 0,
8319 			    fce_calc_size(ha->fce_bufs));
8320 			rval = qla2x00_enable_fce_trace(vha,
8321 			    ha->fce_dma, ha->fce_bufs, ha->fce_mb,
8322 			    &ha->fce_bufs);
8323 			if (rval) {
8324 				ql_log(ql_log_warn, vha, 0x8001,
8325 				    "Unable to reinitialize FCE (%d).\n",
8326 				    rval);
8327 				ha->flags.fce_enabled = 0;
8328 			}
8329 		}
8330 
8331 		if (ha->eft) {
8332 			memset(ha->eft, 0, EFT_SIZE);
8333 			rval = qla2x00_enable_eft_trace(vha,
8334 			    ha->eft_dma, EFT_NUM_BUFFERS);
8335 			if (rval) {
8336 				ql_log(ql_log_warn, vha, 0x8010,
8337 				    "Unable to reinitialize EFT (%d).\n",
8338 				    rval);
8339 			}
8340 		}
8341 	}
8342 
8343 	if (!status) {
8344 		ql_dbg(ql_dbg_taskm, vha, 0x8011,
8345 		    "qla82xx_restart_isp succeeded.\n");
8346 
8347 		spin_lock_irqsave(&ha->vport_slock, flags);
8348 		list_for_each_entry(vp, &ha->vp_list, list) {
8349 			if (vp->vp_idx) {
8350 				atomic_inc(&vp->vref_count);
8351 				spin_unlock_irqrestore(&ha->vport_slock, flags);
8352 
8353 				qla2x00_vp_abort_isp(vp);
8354 
8355 				spin_lock_irqsave(&ha->vport_slock, flags);
8356 				atomic_dec(&vp->vref_count);
8357 			}
8358 		}
8359 		spin_unlock_irqrestore(&ha->vport_slock, flags);
8360 
8361 	} else {
8362 		ql_log(ql_log_warn, vha, 0x8016,
8363 		    "qla82xx_restart_isp **** FAILED ****.\n");
8364 	}
8365 
8366 	return status;
8367 }
8368 
8369 void
8370 qla81xx_update_fw_options(scsi_qla_host_t *vha)
8371 {
8372 	struct qla_hw_data *ha = vha->hw;
8373 
8374 	/*  Hold status IOCBs until ABTS response received. */
8375 	if (ql2xfwholdabts)
8376 		ha->fw_options[3] |= BIT_12;
8377 
8378 	/* Set Retry FLOGI in case of P2P connection */
8379 	if (ha->operating_mode == P2P) {
8380 		ha->fw_options[2] |= BIT_3;
8381 		ql_dbg(ql_dbg_disc, vha, 0x2103,
8382 		    "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
8383 			__func__, ha->fw_options[2]);
8384 	}
8385 
8386 	/* Move PUREX, ABTS RX & RIDA to ATIOQ */
8387 	if (ql2xmvasynctoatio) {
8388 		if (qla_tgt_mode_enabled(vha) ||
8389 		    qla_dual_mode_enabled(vha))
8390 			ha->fw_options[2] |= BIT_11;
8391 		else
8392 			ha->fw_options[2] &= ~BIT_11;
8393 	}
8394 
8395 	if (qla_tgt_mode_enabled(vha) ||
8396 	    qla_dual_mode_enabled(vha)) {
8397 		/* FW auto send SCSI status during */
8398 		ha->fw_options[1] |= BIT_8;
8399 		ha->fw_options[10] |= (u16)SAM_STAT_BUSY << 8;
8400 
8401 		/* FW perform Exchange validation */
8402 		ha->fw_options[2] |= BIT_4;
8403 	} else {
8404 		ha->fw_options[1]  &= ~BIT_8;
8405 		ha->fw_options[10] &= 0x00ff;
8406 
8407 		ha->fw_options[2] &= ~BIT_4;
8408 	}
8409 
8410 	if (ql2xetsenable) {
8411 		/* Enable ETS Burst. */
8412 		memset(ha->fw_options, 0, sizeof(ha->fw_options));
8413 		ha->fw_options[2] |= BIT_9;
8414 	}
8415 
8416 	ql_dbg(ql_dbg_init, vha, 0x00e9,
8417 	    "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
8418 	    __func__, ha->fw_options[1], ha->fw_options[2],
8419 	    ha->fw_options[3], vha->host->active_mode);
8420 
8421 	qla2x00_set_fw_options(vha, ha->fw_options);
8422 }
8423 
8424 /*
8425  * qla24xx_get_fcp_prio
8426  *	Gets the fcp cmd priority value for the logged in port.
8427  *	Looks for a match of the port descriptors within
8428  *	each of the fcp prio config entries. If a match is found,
8429  *	the tag (priority) value is returned.
8430  *
8431  * Input:
8432  *	vha = scsi host structure pointer.
8433  *	fcport = port structure pointer.
8434  *
8435  * Return:
8436  *	non-zero (if found)
8437  *	-1 (if not found)
8438  *
8439  * Context:
8440  * 	Kernel context
8441  */
8442 static int
8443 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8444 {
8445 	int i, entries;
8446 	uint8_t pid_match, wwn_match;
8447 	int priority;
8448 	uint32_t pid1, pid2;
8449 	uint64_t wwn1, wwn2;
8450 	struct qla_fcp_prio_entry *pri_entry;
8451 	struct qla_hw_data *ha = vha->hw;
8452 
8453 	if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
8454 		return -1;
8455 
8456 	priority = -1;
8457 	entries = ha->fcp_prio_cfg->num_entries;
8458 	pri_entry = &ha->fcp_prio_cfg->entry[0];
8459 
8460 	for (i = 0; i < entries; i++) {
8461 		pid_match = wwn_match = 0;
8462 
8463 		if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
8464 			pri_entry++;
8465 			continue;
8466 		}
8467 
8468 		/* check source pid for a match */
8469 		if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
8470 			pid1 = pri_entry->src_pid & INVALID_PORT_ID;
8471 			pid2 = vha->d_id.b24 & INVALID_PORT_ID;
8472 			if (pid1 == INVALID_PORT_ID)
8473 				pid_match++;
8474 			else if (pid1 == pid2)
8475 				pid_match++;
8476 		}
8477 
8478 		/* check destination pid for a match */
8479 		if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
8480 			pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
8481 			pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
8482 			if (pid1 == INVALID_PORT_ID)
8483 				pid_match++;
8484 			else if (pid1 == pid2)
8485 				pid_match++;
8486 		}
8487 
8488 		/* check source WWN for a match */
8489 		if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
8490 			wwn1 = wwn_to_u64(vha->port_name);
8491 			wwn2 = wwn_to_u64(pri_entry->src_wwpn);
8492 			if (wwn2 == (uint64_t)-1)
8493 				wwn_match++;
8494 			else if (wwn1 == wwn2)
8495 				wwn_match++;
8496 		}
8497 
8498 		/* check destination WWN for a match */
8499 		if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
8500 			wwn1 = wwn_to_u64(fcport->port_name);
8501 			wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
8502 			if (wwn2 == (uint64_t)-1)
8503 				wwn_match++;
8504 			else if (wwn1 == wwn2)
8505 				wwn_match++;
8506 		}
8507 
8508 		if (pid_match == 2 || wwn_match == 2) {
8509 			/* Found a matching entry */
8510 			if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
8511 				priority = pri_entry->tag;
8512 			break;
8513 		}
8514 
8515 		pri_entry++;
8516 	}
8517 
8518 	return priority;
8519 }
8520 
8521 /*
8522  * qla24xx_update_fcport_fcp_prio
8523  *	Activates fcp priority for the logged in fc port
8524  *
8525  * Input:
8526  *	vha = scsi host structure pointer.
8527  *	fcp = port structure pointer.
8528  *
8529  * Return:
8530  *	QLA_SUCCESS or QLA_FUNCTION_FAILED
8531  *
8532  * Context:
8533  *	Kernel context.
8534  */
8535 int
8536 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8537 {
8538 	int ret;
8539 	int priority;
8540 	uint16_t mb[5];
8541 
8542 	if (fcport->port_type != FCT_TARGET ||
8543 	    fcport->loop_id == FC_NO_LOOP_ID)
8544 		return QLA_FUNCTION_FAILED;
8545 
8546 	priority = qla24xx_get_fcp_prio(vha, fcport);
8547 	if (priority < 0)
8548 		return QLA_FUNCTION_FAILED;
8549 
8550 	if (IS_P3P_TYPE(vha->hw)) {
8551 		fcport->fcp_prio = priority & 0xf;
8552 		return QLA_SUCCESS;
8553 	}
8554 
8555 	ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
8556 	if (ret == QLA_SUCCESS) {
8557 		if (fcport->fcp_prio != priority)
8558 			ql_dbg(ql_dbg_user, vha, 0x709e,
8559 			    "Updated FCP_CMND priority - value=%d loop_id=%d "
8560 			    "port_id=%02x%02x%02x.\n", priority,
8561 			    fcport->loop_id, fcport->d_id.b.domain,
8562 			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
8563 		fcport->fcp_prio = priority & 0xf;
8564 	} else
8565 		ql_dbg(ql_dbg_user, vha, 0x704f,
8566 		    "Unable to update FCP_CMND priority - ret=0x%x for "
8567 		    "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
8568 		    fcport->d_id.b.domain, fcport->d_id.b.area,
8569 		    fcport->d_id.b.al_pa);
8570 	return  ret;
8571 }
8572 
8573 /*
8574  * qla24xx_update_all_fcp_prio
8575  *	Activates fcp priority for all the logged in ports
8576  *
8577  * Input:
8578  *	ha = adapter block pointer.
8579  *
8580  * Return:
8581  *	QLA_SUCCESS or QLA_FUNCTION_FAILED
8582  *
8583  * Context:
8584  *	Kernel context.
8585  */
8586 int
8587 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
8588 {
8589 	int ret;
8590 	fc_port_t *fcport;
8591 
8592 	ret = QLA_FUNCTION_FAILED;
8593 	/* We need to set priority for all logged in ports */
8594 	list_for_each_entry(fcport, &vha->vp_fcports, list)
8595 		ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
8596 
8597 	return ret;
8598 }
8599 
8600 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
8601 	int vp_idx, bool startqp)
8602 {
8603 	int rsp_id = 0;
8604 	int  req_id = 0;
8605 	int i;
8606 	struct qla_hw_data *ha = vha->hw;
8607 	uint16_t qpair_id = 0;
8608 	struct qla_qpair *qpair = NULL;
8609 	struct qla_msix_entry *msix;
8610 
8611 	if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
8612 		ql_log(ql_log_warn, vha, 0x00181,
8613 		    "FW/Driver is not multi-queue capable.\n");
8614 		return NULL;
8615 	}
8616 
8617 	if (ql2xmqsupport || ql2xnvmeenable) {
8618 		qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
8619 		if (qpair == NULL) {
8620 			ql_log(ql_log_warn, vha, 0x0182,
8621 			    "Failed to allocate memory for queue pair.\n");
8622 			return NULL;
8623 		}
8624 		memset(qpair, 0, sizeof(struct qla_qpair));
8625 
8626 		qpair->hw = vha->hw;
8627 		qpair->vha = vha;
8628 		qpair->qp_lock_ptr = &qpair->qp_lock;
8629 		spin_lock_init(&qpair->qp_lock);
8630 		qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
8631 
8632 		/* Assign available que pair id */
8633 		mutex_lock(&ha->mq_lock);
8634 		qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
8635 		if (ha->num_qpairs >= ha->max_qpairs) {
8636 			mutex_unlock(&ha->mq_lock);
8637 			ql_log(ql_log_warn, vha, 0x0183,
8638 			    "No resources to create additional q pair.\n");
8639 			goto fail_qid_map;
8640 		}
8641 		ha->num_qpairs++;
8642 		set_bit(qpair_id, ha->qpair_qid_map);
8643 		ha->queue_pair_map[qpair_id] = qpair;
8644 		qpair->id = qpair_id;
8645 		qpair->vp_idx = vp_idx;
8646 		qpair->fw_started = ha->flags.fw_started;
8647 		INIT_LIST_HEAD(&qpair->hints_list);
8648 		qpair->chip_reset = ha->base_qpair->chip_reset;
8649 		qpair->enable_class_2 = ha->base_qpair->enable_class_2;
8650 		qpair->enable_explicit_conf =
8651 		    ha->base_qpair->enable_explicit_conf;
8652 
8653 		for (i = 0; i < ha->msix_count; i++) {
8654 			msix = &ha->msix_entries[i];
8655 			if (msix->in_use)
8656 				continue;
8657 			qpair->msix = msix;
8658 			ql_dbg(ql_dbg_multiq, vha, 0xc00f,
8659 			    "Vector %x selected for qpair\n", msix->vector);
8660 			break;
8661 		}
8662 		if (!qpair->msix) {
8663 			ql_log(ql_log_warn, vha, 0x0184,
8664 			    "Out of MSI-X vectors!.\n");
8665 			goto fail_msix;
8666 		}
8667 
8668 		qpair->msix->in_use = 1;
8669 		list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
8670 		qpair->pdev = ha->pdev;
8671 		if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
8672 			qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
8673 
8674 		mutex_unlock(&ha->mq_lock);
8675 
8676 		/* Create response queue first */
8677 		rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
8678 		if (!rsp_id) {
8679 			ql_log(ql_log_warn, vha, 0x0185,
8680 			    "Failed to create response queue.\n");
8681 			goto fail_rsp;
8682 		}
8683 
8684 		qpair->rsp = ha->rsp_q_map[rsp_id];
8685 
8686 		/* Create request queue */
8687 		req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
8688 		    startqp);
8689 		if (!req_id) {
8690 			ql_log(ql_log_warn, vha, 0x0186,
8691 			    "Failed to create request queue.\n");
8692 			goto fail_req;
8693 		}
8694 
8695 		qpair->req = ha->req_q_map[req_id];
8696 		qpair->rsp->req = qpair->req;
8697 		qpair->rsp->qpair = qpair;
8698 		/* init qpair to this cpu. Will adjust at run time. */
8699 		qla_cpu_update(qpair, smp_processor_id());
8700 
8701 		if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
8702 			if (ha->fw_attributes & BIT_4)
8703 				qpair->difdix_supported = 1;
8704 		}
8705 
8706 		qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
8707 		if (!qpair->srb_mempool) {
8708 			ql_log(ql_log_warn, vha, 0xd036,
8709 			    "Failed to create srb mempool for qpair %d\n",
8710 			    qpair->id);
8711 			goto fail_mempool;
8712 		}
8713 
8714 		/* Mark as online */
8715 		qpair->online = 1;
8716 
8717 		if (!vha->flags.qpairs_available)
8718 			vha->flags.qpairs_available = 1;
8719 
8720 		ql_dbg(ql_dbg_multiq, vha, 0xc00d,
8721 		    "Request/Response queue pair created, id %d\n",
8722 		    qpair->id);
8723 		ql_dbg(ql_dbg_init, vha, 0x0187,
8724 		    "Request/Response queue pair created, id %d\n",
8725 		    qpair->id);
8726 	}
8727 	return qpair;
8728 
8729 fail_mempool:
8730 fail_req:
8731 	qla25xx_delete_rsp_que(vha, qpair->rsp);
8732 fail_rsp:
8733 	mutex_lock(&ha->mq_lock);
8734 	qpair->msix->in_use = 0;
8735 	list_del(&qpair->qp_list_elem);
8736 	if (list_empty(&vha->qp_list))
8737 		vha->flags.qpairs_available = 0;
8738 fail_msix:
8739 	ha->queue_pair_map[qpair_id] = NULL;
8740 	clear_bit(qpair_id, ha->qpair_qid_map);
8741 	ha->num_qpairs--;
8742 	mutex_unlock(&ha->mq_lock);
8743 fail_qid_map:
8744 	kfree(qpair);
8745 	return NULL;
8746 }
8747 
8748 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
8749 {
8750 	int ret = QLA_FUNCTION_FAILED;
8751 	struct qla_hw_data *ha = qpair->hw;
8752 
8753 	qpair->delete_in_progress = 1;
8754 	while (atomic_read(&qpair->ref_count))
8755 		msleep(500);
8756 
8757 	ret = qla25xx_delete_req_que(vha, qpair->req);
8758 	if (ret != QLA_SUCCESS)
8759 		goto fail;
8760 
8761 	ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
8762 	if (ret != QLA_SUCCESS)
8763 		goto fail;
8764 
8765 	mutex_lock(&ha->mq_lock);
8766 	ha->queue_pair_map[qpair->id] = NULL;
8767 	clear_bit(qpair->id, ha->qpair_qid_map);
8768 	ha->num_qpairs--;
8769 	list_del(&qpair->qp_list_elem);
8770 	if (list_empty(&vha->qp_list)) {
8771 		vha->flags.qpairs_available = 0;
8772 		vha->flags.qpairs_req_created = 0;
8773 		vha->flags.qpairs_rsp_created = 0;
8774 	}
8775 	mempool_destroy(qpair->srb_mempool);
8776 	kfree(qpair);
8777 	mutex_unlock(&ha->mq_lock);
8778 
8779 	return QLA_SUCCESS;
8780 fail:
8781 	return ret;
8782 }
8783