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Merge tag 'regmap-fix-v5.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_init.c
blobdcc0f0d823db3e157222dbf099ff321e42a032e4
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * QLogic Fibre Channel HBA Driver
4 * Copyright (c) 2003-2014 QLogic Corporation
5 */
6 #include "qla_def.h"
7 #include "qla_gbl.h"
8
9 #include <linux/delay.h>
10 #include <linux/slab.h>
11 #include <linux/vmalloc.h>
12
13 #include "qla_devtbl.h"
14
15 #ifdef CONFIG_SPARC
16 #include <asm/prom.h>
17 #endif
18
19 #include "qla_target.h"
20
21 /*
22 * QLogic ISP2x00 Hardware Support Function Prototypes.
23 */
24 static int qla2x00_isp_firmware(scsi_qla_host_t *);
25 static int qla2x00_setup_chip(scsi_qla_host_t *);
26 static int qla2x00_fw_ready(scsi_qla_host_t *);
27 static int qla2x00_configure_hba(scsi_qla_host_t *);
28 static int qla2x00_configure_loop(scsi_qla_host_t *);
29 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
30 static int qla2x00_configure_fabric(scsi_qla_host_t *);
31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *);
32 static int qla2x00_restart_isp(scsi_qla_host_t *);
33
34 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
35 static int qla84xx_init_chip(scsi_qla_host_t *);
36 static int qla25xx_init_queues(struct qla_hw_data *);
37 static int qla24xx_post_prli_work(struct scsi_qla_host*, fc_port_t *);
38 static void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha,
39 struct event_arg *ea);
40 static void qla24xx_handle_prli_done_event(struct scsi_qla_host *,
41 struct event_arg *);
42 static void __qla24xx_handle_gpdb_event(scsi_qla_host_t *, struct event_arg *);
43
44 /* SRB Extensions ---------------------------------------------------------- */
45
46 void
47 qla2x00_sp_timeout(struct timer_list *t)
48 {
49 srb_t *sp = from_timer(sp, t, u.iocb_cmd.timer);
50 struct srb_iocb *iocb;
51
52 WARN_ON(irqs_disabled());
53 iocb = &sp->u.iocb_cmd;
54 iocb->timeout(sp);
55 }
56
57 void qla2x00_sp_free(srb_t *sp)
58 {
59 struct srb_iocb *iocb = &sp->u.iocb_cmd;
60
61 del_timer(&iocb->timer);
62 qla2x00_rel_sp(sp);
63 }
64
65 void qla2xxx_rel_done_warning(srb_t *sp, int res)
66 {
67 WARN_ONCE(1, "Calling done() of an already freed srb %p object\n", sp);
68 }
69
70 void qla2xxx_rel_free_warning(srb_t *sp)
71 {
72 WARN_ONCE(1, "Calling free() of an already freed srb %p object\n", sp);
73 }
74
75 /* Asynchronous Login/Logout Routines -------------------------------------- */
76
77 unsigned long
78 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
79 {
80 unsigned long tmo;
81 struct qla_hw_data *ha = vha->hw;
82
83 /* Firmware should use switch negotiated r_a_tov for timeout. */
84 tmo = ha->r_a_tov / 10 * 2;
85 if (IS_QLAFX00(ha)) {
86 tmo = FX00_DEF_RATOV * 2;
87 } else if (!IS_FWI2_CAPABLE(ha)) {
88 /*
89 * Except for earlier ISPs where the timeout is seeded from the
90 * initialization control block.
91 */
92 tmo = ha->login_timeout;
93 }
94 return tmo;
95 }
96
97 static void qla24xx_abort_iocb_timeout(void *data)
98 {
99 srb_t *sp = data;
100 struct srb_iocb *abt = &sp->u.iocb_cmd;
101 struct qla_qpair *qpair = sp->qpair;
102 u32 handle;
103 unsigned long flags;
104
105 if (sp->cmd_sp)
106 ql_dbg(ql_dbg_async, sp->vha, 0x507c,
107 "Abort timeout - cmd hdl=%x, cmd type=%x hdl=%x, type=%x\n",
108 sp->cmd_sp->handle, sp->cmd_sp->type,
109 sp->handle, sp->type);
110 else
111 ql_dbg(ql_dbg_async, sp->vha, 0x507c,
112 "Abort timeout 2 - hdl=%x, type=%x\n",
113 sp->handle, sp->type);
114
115 spin_lock_irqsave(qpair->qp_lock_ptr, flags);
116 for (handle = 1; handle < qpair->req->num_outstanding_cmds; handle++) {
117 if (sp->cmd_sp && (qpair->req->outstanding_cmds[handle] ==
118 sp->cmd_sp))
119 qpair->req->outstanding_cmds[handle] = NULL;
120
121 /* removing the abort */
122 if (qpair->req->outstanding_cmds[handle] == sp) {
123 qpair->req->outstanding_cmds[handle] = NULL;
124 break;
125 }
126 }
127 spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
128
129 if (sp->cmd_sp)
130 sp->cmd_sp->done(sp->cmd_sp, QLA_OS_TIMER_EXPIRED);
131
132 abt->u.abt.comp_status = cpu_to_le16(CS_TIMEOUT);
133 sp->done(sp, QLA_OS_TIMER_EXPIRED);
134 }
135
136 static void qla24xx_abort_sp_done(srb_t *sp, int res)
137 {
138 struct srb_iocb *abt = &sp->u.iocb_cmd;
139
140 del_timer(&sp->u.iocb_cmd.timer);
141 if (sp->flags & SRB_WAKEUP_ON_COMP)
142 complete(&abt->u.abt.comp);
143 else
144 sp->free(sp);
145 }
146
147 int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
148 {
149 scsi_qla_host_t *vha = cmd_sp->vha;
150 struct srb_iocb *abt_iocb;
151 srb_t *sp;
152 int rval = QLA_FUNCTION_FAILED;
153
154 sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport,
155 GFP_ATOMIC);
156 if (!sp)
157 return rval;
158
159 abt_iocb = &sp->u.iocb_cmd;
160 sp->type = SRB_ABT_CMD;
161 sp->name = "abort";
162 sp->qpair = cmd_sp->qpair;
163 sp->cmd_sp = cmd_sp;
164 if (wait)
165 sp->flags = SRB_WAKEUP_ON_COMP;
166
167 abt_iocb->timeout = qla24xx_abort_iocb_timeout;
168 init_completion(&abt_iocb->u.abt.comp);
169 /* FW can send 2 x ABTS's timeout/20s */
170 qla2x00_init_timer(sp, 42);
171
172 abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
173 abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id);
174
175 sp->done = qla24xx_abort_sp_done;
176
177 ql_dbg(ql_dbg_async, vha, 0x507c,
178 "Abort command issued - hdl=%x, type=%x\n", cmd_sp->handle,
179 cmd_sp->type);
180
181 rval = qla2x00_start_sp(sp);
182 if (rval != QLA_SUCCESS) {
183 sp->free(sp);
184 return rval;
185 }
186
187 if (wait) {
188 wait_for_completion(&abt_iocb->u.abt.comp);
189 rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
190 QLA_SUCCESS : QLA_FUNCTION_FAILED;
191 sp->free(sp);
192 }
193
194 return rval;
195 }
196
197 void
198 qla2x00_async_iocb_timeout(void *data)
199 {
200 srb_t *sp = data;
201 fc_port_t *fcport = sp->fcport;
202 struct srb_iocb *lio = &sp->u.iocb_cmd;
203 int rc, h;
204 unsigned long flags;
205
206 if (fcport) {
207 ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
208 "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
209 sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
210
211 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
212 } else {
213 pr_info("Async-%s timeout - hdl=%x.\n",
214 sp->name, sp->handle);
215 }
216
217 switch (sp->type) {
218 case SRB_LOGIN_CMD:
219 rc = qla24xx_async_abort_cmd(sp, false);
220 if (rc) {
221 /* Retry as needed. */
222 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
223 lio->u.logio.data[1] =
224 lio->u.logio.flags & SRB_LOGIN_RETRIED ?
225 QLA_LOGIO_LOGIN_RETRIED : 0;
226 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
227 for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
228 h++) {
229 if (sp->qpair->req->outstanding_cmds[h] ==
230 sp) {
231 sp->qpair->req->outstanding_cmds[h] =
232 NULL;
233 break;
234 }
235 }
236 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
237 sp->done(sp, QLA_FUNCTION_TIMEOUT);
238 }
239 break;
240 case SRB_LOGOUT_CMD:
241 case SRB_CT_PTHRU_CMD:
242 case SRB_MB_IOCB:
243 case SRB_NACK_PLOGI:
244 case SRB_NACK_PRLI:
245 case SRB_NACK_LOGO:
246 case SRB_CTRL_VP:
247 default:
248 rc = qla24xx_async_abort_cmd(sp, false);
249 if (rc) {
250 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
251 for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
252 h++) {
253 if (sp->qpair->req->outstanding_cmds[h] ==
254 sp) {
255 sp->qpair->req->outstanding_cmds[h] =
256 NULL;
257 break;
258 }
259 }
260 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
261 sp->done(sp, QLA_FUNCTION_TIMEOUT);
262 }
263 break;
264 }
265 }
266
267 static void qla2x00_async_login_sp_done(srb_t *sp, int res)
268 {
269 struct scsi_qla_host *vha = sp->vha;
270 struct srb_iocb *lio = &sp->u.iocb_cmd;
271 struct event_arg ea;
272
273 ql_dbg(ql_dbg_disc, vha, 0x20dd,
274 "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
275
276 sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
277
278 if (!test_bit(UNLOADING, &vha->dpc_flags)) {
279 memset(&ea, 0, sizeof(ea));
280 ea.fcport = sp->fcport;
281 ea.data[0] = lio->u.logio.data[0];
282 ea.data[1] = lio->u.logio.data[1];
283 ea.iop[0] = lio->u.logio.iop[0];
284 ea.iop[1] = lio->u.logio.iop[1];
285 ea.sp = sp;
286 qla24xx_handle_plogi_done_event(vha, &ea);
287 }
288
289 sp->free(sp);
290 }
291
292 static inline bool
293 fcport_is_smaller(fc_port_t *fcport)
294 {
295 if (wwn_to_u64(fcport->port_name) <
296 wwn_to_u64(fcport->vha->port_name))
297 return true;
298 else
299 return false;
300 }
301
302 static inline bool
303 fcport_is_bigger(fc_port_t *fcport)
304 {
305 return !fcport_is_smaller(fcport);
306 }
307
308 int
309 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
310 uint16_t *data)
311 {
312 srb_t *sp;
313 struct srb_iocb *lio;
314 int rval = QLA_FUNCTION_FAILED;
315
316 if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
317 fcport->loop_id == FC_NO_LOOP_ID) {
318 ql_log(ql_log_warn, vha, 0xffff,
319 "%s: %8phC - not sending command.\n",
320 __func__, fcport->port_name);
321 return rval;
322 }
323
324 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
325 if (!sp)
326 goto done;
327
328 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
329 fcport->flags |= FCF_ASYNC_SENT;
330 fcport->logout_completed = 0;
331
332 sp->type = SRB_LOGIN_CMD;
333 sp->name = "login";
334 sp->gen1 = fcport->rscn_gen;
335 sp->gen2 = fcport->login_gen;
336
337 lio = &sp->u.iocb_cmd;
338 lio->timeout = qla2x00_async_iocb_timeout;
339 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
340
341 sp->done = qla2x00_async_login_sp_done;
342 if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport))
343 lio->u.logio.flags |= SRB_LOGIN_PRLI_ONLY;
344 else
345 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
346
347 if (NVME_TARGET(vha->hw, fcport))
348 lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
349
350 ql_dbg(ql_dbg_disc, vha, 0x2072,
351 "Async-login - %8phC hdl=%x, loopid=%x portid=%02x%02x%02x "
352 "retries=%d.\n", fcport->port_name, sp->handle, fcport->loop_id,
353 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
354 fcport->login_retry);
355
356 rval = qla2x00_start_sp(sp);
357 if (rval != QLA_SUCCESS) {
358 fcport->flags |= FCF_LOGIN_NEEDED;
359 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
360 goto done_free_sp;
361 }
362
363 return rval;
364
365 done_free_sp:
366 sp->free(sp);
367 fcport->flags &= ~FCF_ASYNC_SENT;
368 done:
369 fcport->flags &= ~FCF_ASYNC_ACTIVE;
370 return rval;
371 }
372
373 static void qla2x00_async_logout_sp_done(srb_t *sp, int res)
374 {
375 sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
376 sp->fcport->login_gen++;
377 qlt_logo_completion_handler(sp->fcport, res);
378 sp->free(sp);
379 }
380
381 int
382 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
383 {
384 srb_t *sp;
385 struct srb_iocb *lio;
386 int rval = QLA_FUNCTION_FAILED;
387
388 fcport->flags |= FCF_ASYNC_SENT;
389 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
390 if (!sp)
391 goto done;
392
393 sp->type = SRB_LOGOUT_CMD;
394 sp->name = "logout";
395
396 lio = &sp->u.iocb_cmd;
397 lio->timeout = qla2x00_async_iocb_timeout;
398 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
399
400 sp->done = qla2x00_async_logout_sp_done;
401
402 ql_dbg(ql_dbg_disc, vha, 0x2070,
403 "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC.\n",
404 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
405 fcport->d_id.b.area, fcport->d_id.b.al_pa,
406 fcport->port_name);
407
408 rval = qla2x00_start_sp(sp);
409 if (rval != QLA_SUCCESS)
410 goto done_free_sp;
411 return rval;
412
413 done_free_sp:
414 sp->free(sp);
415 done:
416 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
417 return rval;
418 }
419
420 void
421 qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport,
422 uint16_t *data)
423 {
424 fcport->flags &= ~FCF_ASYNC_ACTIVE;
425 /* Don't re-login in target mode */
426 if (!fcport->tgt_session)
427 qla2x00_mark_device_lost(vha, fcport, 1);
428 qlt_logo_completion_handler(fcport, data[0]);
429 }
430
431 static void qla2x00_async_prlo_sp_done(srb_t *sp, int res)
432 {
433 struct srb_iocb *lio = &sp->u.iocb_cmd;
434 struct scsi_qla_host *vha = sp->vha;
435
436 sp->fcport->flags &= ~FCF_ASYNC_ACTIVE;
437 if (!test_bit(UNLOADING, &vha->dpc_flags))
438 qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport,
439 lio->u.logio.data);
440 sp->free(sp);
441 }
442
443 int
444 qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport)
445 {
446 srb_t *sp;
447 struct srb_iocb *lio;
448 int rval;
449
450 rval = QLA_FUNCTION_FAILED;
451 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
452 if (!sp)
453 goto done;
454
455 sp->type = SRB_PRLO_CMD;
456 sp->name = "prlo";
457
458 lio = &sp->u.iocb_cmd;
459 lio->timeout = qla2x00_async_iocb_timeout;
460 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
461
462 sp->done = qla2x00_async_prlo_sp_done;
463
464 ql_dbg(ql_dbg_disc, vha, 0x2070,
465 "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
466 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
467 fcport->d_id.b.area, fcport->d_id.b.al_pa);
468
469 rval = qla2x00_start_sp(sp);
470 if (rval != QLA_SUCCESS)
471 goto done_free_sp;
472
473 return rval;
474
475 done_free_sp:
476 sp->free(sp);
477 done:
478 fcport->flags &= ~FCF_ASYNC_ACTIVE;
479 return rval;
480 }
481
482 static
483 void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
484 {
485 struct fc_port *fcport = ea->fcport;
486
487 ql_dbg(ql_dbg_disc, vha, 0x20d2,
488 "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
489 __func__, fcport->port_name, fcport->disc_state,
490 fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
491 fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
492
493 WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
494 ea->data[0]);
495
496 if (ea->data[0] != MBS_COMMAND_COMPLETE) {
497 ql_dbg(ql_dbg_disc, vha, 0x2066,
498 "%s %8phC: adisc fail: post delete\n",
499 __func__, ea->fcport->port_name);
500 /* deleted = 0 & logout_on_delete = force fw cleanup */
501 fcport->deleted = 0;
502 fcport->logout_on_delete = 1;
503 qlt_schedule_sess_for_deletion(ea->fcport);
504 return;
505 }
506
507 if (ea->fcport->disc_state == DSC_DELETE_PEND)
508 return;
509
510 if (ea->sp->gen2 != ea->fcport->login_gen) {
511 /* target side must have changed it. */
512 ql_dbg(ql_dbg_disc, vha, 0x20d3,
513 "%s %8phC generation changed\n",
514 __func__, ea->fcport->port_name);
515 return;
516 } else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
517 qla_rscn_replay(fcport);
518 qlt_schedule_sess_for_deletion(fcport);
519 return;
520 }
521
522 __qla24xx_handle_gpdb_event(vha, ea);
523 }
524
525 static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport)
526 {
527 struct qla_work_evt *e;
528
529 e = qla2x00_alloc_work(vha, QLA_EVT_ELS_PLOGI);
530 if (!e)
531 return QLA_FUNCTION_FAILED;
532
533 e->u.fcport.fcport = fcport;
534 fcport->flags |= FCF_ASYNC_ACTIVE;
535 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
536 return qla2x00_post_work(vha, e);
537 }
538
539 static void qla2x00_async_adisc_sp_done(srb_t *sp, int res)
540 {
541 struct scsi_qla_host *vha = sp->vha;
542 struct event_arg ea;
543 struct srb_iocb *lio = &sp->u.iocb_cmd;
544
545 ql_dbg(ql_dbg_disc, vha, 0x2066,
546 "Async done-%s res %x %8phC\n",
547 sp->name, res, sp->fcport->port_name);
548
549 sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
550
551 memset(&ea, 0, sizeof(ea));
552 ea.rc = res;
553 ea.data[0] = lio->u.logio.data[0];
554 ea.data[1] = lio->u.logio.data[1];
555 ea.iop[0] = lio->u.logio.iop[0];
556 ea.iop[1] = lio->u.logio.iop[1];
557 ea.fcport = sp->fcport;
558 ea.sp = sp;
559
560 qla24xx_handle_adisc_event(vha, &ea);
561
562 sp->free(sp);
563 }
564
565 int
566 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
567 uint16_t *data)
568 {
569 srb_t *sp;
570 struct srb_iocb *lio;
571 int rval = QLA_FUNCTION_FAILED;
572
573 if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
574 return rval;
575
576 fcport->flags |= FCF_ASYNC_SENT;
577 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
578 if (!sp)
579 goto done;
580
581 sp->type = SRB_ADISC_CMD;
582 sp->name = "adisc";
583
584 lio = &sp->u.iocb_cmd;
585 lio->timeout = qla2x00_async_iocb_timeout;
586 sp->gen1 = fcport->rscn_gen;
587 sp->gen2 = fcport->login_gen;
588 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
589
590 sp->done = qla2x00_async_adisc_sp_done;
591 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
592 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
593
594 ql_dbg(ql_dbg_disc, vha, 0x206f,
595 "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n",
596 sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name);
597
598 rval = qla2x00_start_sp(sp);
599 if (rval != QLA_SUCCESS)
600 goto done_free_sp;
601
602 return rval;
603
604 done_free_sp:
605 sp->free(sp);
606 done:
607 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
608 qla2x00_post_async_adisc_work(vha, fcport, data);
609 return rval;
610 }
611
612 static bool qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id)
613 {
614 struct qla_hw_data *ha = vha->hw;
615
616 if (IS_FWI2_CAPABLE(ha))
617 return loop_id > NPH_LAST_HANDLE;
618
619 return (loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) ||
620 loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST;
621 }
622
623 /**
624 * qla2x00_find_new_loop_id - scan through our port list and find a new usable loop ID
625 * @vha: adapter state pointer.
626 * @dev: port structure pointer.
627 *
628 * Returns:
629 * qla2x00 local function return status code.
630 *
631 * Context:
632 * Kernel context.
633 */
634 static int qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
635 {
636 int rval;
637 struct qla_hw_data *ha = vha->hw;
638 unsigned long flags = 0;
639
640 rval = QLA_SUCCESS;
641
642 spin_lock_irqsave(&ha->vport_slock, flags);
643
644 dev->loop_id = find_first_zero_bit(ha->loop_id_map, LOOPID_MAP_SIZE);
645 if (dev->loop_id >= LOOPID_MAP_SIZE ||
646 qla2x00_is_reserved_id(vha, dev->loop_id)) {
647 dev->loop_id = FC_NO_LOOP_ID;
648 rval = QLA_FUNCTION_FAILED;
649 } else {
650 set_bit(dev->loop_id, ha->loop_id_map);
651 }
652 spin_unlock_irqrestore(&ha->vport_slock, flags);
653
654 if (rval == QLA_SUCCESS)
655 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
656 "Assigning new loopid=%x, portid=%x.\n",
657 dev->loop_id, dev->d_id.b24);
658 else
659 ql_log(ql_log_warn, dev->vha, 0x2087,
660 "No loop_id's available, portid=%x.\n",
661 dev->d_id.b24);
662
663 return rval;
664 }
665
666 void qla2x00_clear_loop_id(fc_port_t *fcport)
667 {
668 struct qla_hw_data *ha = fcport->vha->hw;
669
670 if (fcport->loop_id == FC_NO_LOOP_ID ||
671 qla2x00_is_reserved_id(fcport->vha, fcport->loop_id))
672 return;
673
674 clear_bit(fcport->loop_id, ha->loop_id_map);
675 fcport->loop_id = FC_NO_LOOP_ID;
676 }
677
678 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
679 struct event_arg *ea)
680 {
681 fc_port_t *fcport, *conflict_fcport;
682 struct get_name_list_extended *e;
683 u16 i, n, found = 0, loop_id;
684 port_id_t id;
685 u64 wwn;
686 u16 data[2];
687 u8 current_login_state, nvme_cls;
688
689 fcport = ea->fcport;
690 ql_dbg(ql_dbg_disc, vha, 0xffff,
691 "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d\n",
692 __func__, fcport->port_name, fcport->disc_state,
693 fcport->fw_login_state, ea->rc,
694 fcport->login_gen, fcport->last_login_gen,
695 fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id);
696
697 if (fcport->disc_state == DSC_DELETE_PEND)
698 return;
699
700 if (ea->rc) { /* rval */
701 if (fcport->login_retry == 0) {
702 ql_dbg(ql_dbg_disc, vha, 0x20de,
703 "GNL failed Port login retry %8phN, retry cnt=%d.\n",
704 fcport->port_name, fcport->login_retry);
705 }
706 return;
707 }
708
709 if (fcport->last_rscn_gen != fcport->rscn_gen) {
710 qla_rscn_replay(fcport);
711 qlt_schedule_sess_for_deletion(fcport);
712 return;
713 } else if (fcport->last_login_gen != fcport->login_gen) {
714 ql_dbg(ql_dbg_disc, vha, 0x20e0,
715 "%s %8phC login gen changed\n",
716 __func__, fcport->port_name);
717 return;
718 }
719
720 n = ea->data[0] / sizeof(struct get_name_list_extended);
721
722 ql_dbg(ql_dbg_disc, vha, 0x20e1,
723 "%s %d %8phC n %d %02x%02x%02x lid %d \n",
724 __func__, __LINE__, fcport->port_name, n,
725 fcport->d_id.b.domain, fcport->d_id.b.area,
726 fcport->d_id.b.al_pa, fcport->loop_id);
727
728 for (i = 0; i < n; i++) {
729 e = &vha->gnl.l[i];
730 wwn = wwn_to_u64(e->port_name);
731 id.b.domain = e->port_id[2];
732 id.b.area = e->port_id[1];
733 id.b.al_pa = e->port_id[0];
734 id.b.rsvd_1 = 0;
735
736 if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
737 continue;
738
739 if (IS_SW_RESV_ADDR(id))
740 continue;
741
742 found = 1;
743
744 loop_id = le16_to_cpu(e->nport_handle);
745 loop_id = (loop_id & 0x7fff);
746 nvme_cls = e->current_login_state >> 4;
747 current_login_state = e->current_login_state & 0xf;
748
749 if (PRLI_PHASE(nvme_cls)) {
750 current_login_state = nvme_cls;
751 fcport->fc4_type &= ~FS_FC4TYPE_FCP;
752 fcport->fc4_type |= FS_FC4TYPE_NVME;
753 } else if (PRLI_PHASE(current_login_state)) {
754 fcport->fc4_type |= FS_FC4TYPE_FCP;
755 fcport->fc4_type &= ~FS_FC4TYPE_NVME;
756 }
757
758 ql_dbg(ql_dbg_disc, vha, 0x20e2,
759 "%s found %8phC CLS [%x|%x] fc4_type %d ID[%06x|%06x] lid[%d|%d]\n",
760 __func__, fcport->port_name,
761 e->current_login_state, fcport->fw_login_state,
762 fcport->fc4_type, id.b24, fcport->d_id.b24,
763 loop_id, fcport->loop_id);
764
765 switch (fcport->disc_state) {
766 case DSC_DELETE_PEND:
767 case DSC_DELETED:
768 break;
769 default:
770 if ((id.b24 != fcport->d_id.b24 &&
771 fcport->d_id.b24 &&
772 fcport->loop_id != FC_NO_LOOP_ID) ||
773 (fcport->loop_id != FC_NO_LOOP_ID &&
774 fcport->loop_id != loop_id)) {
775 ql_dbg(ql_dbg_disc, vha, 0x20e3,
776 "%s %d %8phC post del sess\n",
777 __func__, __LINE__, fcport->port_name);
778 if (fcport->n2n_flag)
779 fcport->d_id.b24 = 0;
780 qlt_schedule_sess_for_deletion(fcport);
781 return;
782 }
783 break;
784 }
785
786 fcport->loop_id = loop_id;
787 if (fcport->n2n_flag)
788 fcport->d_id.b24 = id.b24;
789
790 wwn = wwn_to_u64(fcport->port_name);
791 qlt_find_sess_invalidate_other(vha, wwn,
792 id, loop_id, &conflict_fcport);
793
794 if (conflict_fcport) {
795 /*
796 * Another share fcport share the same loop_id &
797 * nport id. Conflict fcport needs to finish
798 * cleanup before this fcport can proceed to login.
799 */
800 conflict_fcport->conflict = fcport;
801 fcport->login_pause = 1;
802 }
803
804 switch (vha->hw->current_topology) {
805 default:
806 switch (current_login_state) {
807 case DSC_LS_PRLI_COMP:
808 ql_dbg(ql_dbg_disc + ql_dbg_verbose,
809 vha, 0x20e4, "%s %d %8phC post gpdb\n",
810 __func__, __LINE__, fcport->port_name);
811
812 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
813 fcport->port_type = FCT_INITIATOR;
814 else
815 fcport->port_type = FCT_TARGET;
816 data[0] = data[1] = 0;
817 qla2x00_post_async_adisc_work(vha, fcport,
818 data);
819 break;
820 case DSC_LS_PORT_UNAVAIL:
821 default:
822 if (fcport->loop_id == FC_NO_LOOP_ID) {
823 qla2x00_find_new_loop_id(vha, fcport);
824 fcport->fw_login_state =
825 DSC_LS_PORT_UNAVAIL;
826 }
827 ql_dbg(ql_dbg_disc, vha, 0x20e5,
828 "%s %d %8phC\n", __func__, __LINE__,
829 fcport->port_name);
830 qla24xx_fcport_handle_login(vha, fcport);
831 break;
832 }
833 break;
834 case ISP_CFG_N:
835 fcport->fw_login_state = current_login_state;
836 fcport->d_id = id;
837 switch (current_login_state) {
838 case DSC_LS_PRLI_PEND:
839 /*
840 * In the middle of PRLI. Let it finish.
841 * Allow relogin code to recheck state again
842 * with GNL. Push disc_state back to DELETED
843 * so GNL can go out again
844 */
845 qla2x00_set_fcport_disc_state(fcport,
846 DSC_DELETED);
847 break;
848 case DSC_LS_PRLI_COMP:
849 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
850 fcport->port_type = FCT_INITIATOR;
851 else
852 fcport->port_type = FCT_TARGET;
853
854 data[0] = data[1] = 0;
855 qla2x00_post_async_adisc_work(vha, fcport,
856 data);
857 break;
858 case DSC_LS_PLOGI_COMP:
859 if (fcport_is_bigger(fcport)) {
860 /* local adapter is smaller */
861 if (fcport->loop_id != FC_NO_LOOP_ID)
862 qla2x00_clear_loop_id(fcport);
863
864 fcport->loop_id = loop_id;
865 qla24xx_fcport_handle_login(vha,
866 fcport);
867 break;
868 }
869 fallthrough;
870 default:
871 if (fcport_is_smaller(fcport)) {
872 /* local adapter is bigger */
873 if (fcport->loop_id != FC_NO_LOOP_ID)
874 qla2x00_clear_loop_id(fcport);
875
876 fcport->loop_id = loop_id;
877 qla24xx_fcport_handle_login(vha,
878 fcport);
879 }
880 break;
881 }
882 break;
883 } /* switch (ha->current_topology) */
884 }
885
886 if (!found) {
887 switch (vha->hw->current_topology) {
888 case ISP_CFG_F:
889 case ISP_CFG_FL:
890 for (i = 0; i < n; i++) {
891 e = &vha->gnl.l[i];
892 id.b.domain = e->port_id[0];
893 id.b.area = e->port_id[1];
894 id.b.al_pa = e->port_id[2];
895 id.b.rsvd_1 = 0;
896 loop_id = le16_to_cpu(e->nport_handle);
897
898 if (fcport->d_id.b24 == id.b24) {
899 conflict_fcport =
900 qla2x00_find_fcport_by_wwpn(vha,
901 e->port_name, 0);
902 if (conflict_fcport) {
903 ql_dbg(ql_dbg_disc + ql_dbg_verbose,
904 vha, 0x20e5,
905 "%s %d %8phC post del sess\n",
906 __func__, __LINE__,
907 conflict_fcport->port_name);
908 qlt_schedule_sess_for_deletion
909 (conflict_fcport);
910 }
911 }
912 /*
913 * FW already picked this loop id for
914 * another fcport
915 */
916 if (fcport->loop_id == loop_id)
917 fcport->loop_id = FC_NO_LOOP_ID;
918 }
919 qla24xx_fcport_handle_login(vha, fcport);
920 break;
921 case ISP_CFG_N:
922 qla2x00_set_fcport_disc_state(fcport, DSC_DELETED);
923 if (time_after_eq(jiffies, fcport->dm_login_expire)) {
924 if (fcport->n2n_link_reset_cnt < 2) {
925 fcport->n2n_link_reset_cnt++;
926 /*
927 * remote port is not sending PLOGI.
928 * Reset link to kick start his state
929 * machine
930 */
931 set_bit(N2N_LINK_RESET,
932 &vha->dpc_flags);
933 } else {
934 if (fcport->n2n_chip_reset < 1) {
935 ql_log(ql_log_info, vha, 0x705d,
936 "Chip reset to bring laser down");
937 set_bit(ISP_ABORT_NEEDED,
938 &vha->dpc_flags);
939 fcport->n2n_chip_reset++;
940 } else {
941 ql_log(ql_log_info, vha, 0x705d,
942 "Remote port %8ph is not coming back\n",
943 fcport->port_name);
944 fcport->scan_state = 0;
945 }
946 }
947 qla2xxx_wake_dpc(vha);
948 } else {
949 /*
950 * report port suppose to do PLOGI. Give him
951 * more time. FW will catch it.
952 */
953 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
954 }
955 break;
956 default:
957 break;
958 }
959 }
960 } /* gnl_event */
961
962 static void qla24xx_async_gnl_sp_done(srb_t *sp, int res)
963 {
964 struct scsi_qla_host *vha = sp->vha;
965 unsigned long flags;
966 struct fc_port *fcport = NULL, *tf;
967 u16 i, n = 0, loop_id;
968 struct event_arg ea;
969 struct get_name_list_extended *e;
970 u64 wwn;
971 struct list_head h;
972 bool found = false;
973
974 ql_dbg(ql_dbg_disc, vha, 0x20e7,
975 "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
976 sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
977 sp->u.iocb_cmd.u.mbx.in_mb[2]);
978
979 if (res == QLA_FUNCTION_TIMEOUT)
980 return;
981
982 sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE);
983 memset(&ea, 0, sizeof(ea));
984 ea.sp = sp;
985 ea.rc = res;
986
987 if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
988 sizeof(struct get_name_list_extended)) {
989 n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
990 sizeof(struct get_name_list_extended);
991 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
992 }
993
994 for (i = 0; i < n; i++) {
995 e = &vha->gnl.l[i];
996 loop_id = le16_to_cpu(e->nport_handle);
997 /* mask out reserve bit */
998 loop_id = (loop_id & 0x7fff);
999 set_bit(loop_id, vha->hw->loop_id_map);
1000 wwn = wwn_to_u64(e->port_name);
1001
1002 ql_dbg(ql_dbg_disc, vha, 0x20e8,
1003 "%s %8phC %02x:%02x:%02x CLS %x/%x lid %x \n",
1004 __func__, &wwn, e->port_id[2], e->port_id[1],
1005 e->port_id[0], e->current_login_state, e->last_login_state,
1006 (loop_id & 0x7fff));
1007 }
1008
1009 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1010
1011 INIT_LIST_HEAD(&h);
1012 fcport = tf = NULL;
1013 if (!list_empty(&vha->gnl.fcports))
1014 list_splice_init(&vha->gnl.fcports, &h);
1015 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1016
1017 list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
1018 list_del_init(&fcport->gnl_entry);
1019 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1020 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1021 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1022 ea.fcport = fcport;
1023
1024 qla24xx_handle_gnl_done_event(vha, &ea);
1025 }
1026
1027 /* create new fcport if fw has knowledge of new sessions */
1028 for (i = 0; i < n; i++) {
1029 port_id_t id;
1030 u64 wwnn;
1031
1032 e = &vha->gnl.l[i];
1033 wwn = wwn_to_u64(e->port_name);
1034
1035 found = false;
1036 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
1037 if (!memcmp((u8 *)&wwn, fcport->port_name,
1038 WWN_SIZE)) {
1039 found = true;
1040 break;
1041 }
1042 }
1043
1044 id.b.domain = e->port_id[2];
1045 id.b.area = e->port_id[1];
1046 id.b.al_pa = e->port_id[0];
1047 id.b.rsvd_1 = 0;
1048
1049 if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
1050 ql_dbg(ql_dbg_disc, vha, 0x2065,
1051 "%s %d %8phC %06x post new sess\n",
1052 __func__, __LINE__, (u8 *)&wwn, id.b24);
1053 wwnn = wwn_to_u64(e->node_name);
1054 qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
1055 (u8 *)&wwnn, NULL, 0);
1056 }
1057 }
1058
1059 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1060 vha->gnl.sent = 0;
1061 if (!list_empty(&vha->gnl.fcports)) {
1062 /* retrigger gnl */
1063 list_for_each_entry_safe(fcport, tf, &vha->gnl.fcports,
1064 gnl_entry) {
1065 list_del_init(&fcport->gnl_entry);
1066 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1067 if (qla24xx_post_gnl_work(vha, fcport) == QLA_SUCCESS)
1068 break;
1069 }
1070 }
1071 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1072
1073 sp->free(sp);
1074 }
1075
1076 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
1077 {
1078 srb_t *sp;
1079 struct srb_iocb *mbx;
1080 int rval = QLA_FUNCTION_FAILED;
1081 unsigned long flags;
1082 u16 *mb;
1083
1084 if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
1085 return rval;
1086
1087 ql_dbg(ql_dbg_disc, vha, 0x20d9,
1088 "Async-gnlist WWPN %8phC \n", fcport->port_name);
1089
1090 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1091 fcport->flags |= FCF_ASYNC_SENT;
1092 qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1093 fcport->last_rscn_gen = fcport->rscn_gen;
1094 fcport->last_login_gen = fcport->login_gen;
1095
1096 list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
1097 if (vha->gnl.sent) {
1098 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1099 return QLA_SUCCESS;
1100 }
1101 vha->gnl.sent = 1;
1102 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1103
1104 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1105 if (!sp)
1106 goto done;
1107
1108 sp->type = SRB_MB_IOCB;
1109 sp->name = "gnlist";
1110 sp->gen1 = fcport->rscn_gen;
1111 sp->gen2 = fcport->login_gen;
1112
1113 mbx = &sp->u.iocb_cmd;
1114 mbx->timeout = qla2x00_async_iocb_timeout;
1115 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
1116
1117 mb = sp->u.iocb_cmd.u.mbx.out_mb;
1118 mb[0] = MBC_PORT_NODE_NAME_LIST;
1119 mb[1] = BIT_2 | BIT_3;
1120 mb[2] = MSW(vha->gnl.ldma);
1121 mb[3] = LSW(vha->gnl.ldma);
1122 mb[6] = MSW(MSD(vha->gnl.ldma));
1123 mb[7] = LSW(MSD(vha->gnl.ldma));
1124 mb[8] = vha->gnl.size;
1125 mb[9] = vha->vp_idx;
1126
1127 sp->done = qla24xx_async_gnl_sp_done;
1128
1129 ql_dbg(ql_dbg_disc, vha, 0x20da,
1130 "Async-%s - OUT WWPN %8phC hndl %x\n",
1131 sp->name, fcport->port_name, sp->handle);
1132
1133 rval = qla2x00_start_sp(sp);
1134 if (rval != QLA_SUCCESS)
1135 goto done_free_sp;
1136
1137 return rval;
1138
1139 done_free_sp:
1140 sp->free(sp);
1141 done:
1142 fcport->flags &= ~(FCF_ASYNC_ACTIVE | FCF_ASYNC_SENT);
1143 return rval;
1144 }
1145
1146 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1147 {
1148 struct qla_work_evt *e;
1149
1150 e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
1151 if (!e)
1152 return QLA_FUNCTION_FAILED;
1153
1154 e->u.fcport.fcport = fcport;
1155 fcport->flags |= FCF_ASYNC_ACTIVE;
1156 return qla2x00_post_work(vha, e);
1157 }
1158
1159 static void qla24xx_async_gpdb_sp_done(srb_t *sp, int res)
1160 {
1161 struct scsi_qla_host *vha = sp->vha;
1162 struct qla_hw_data *ha = vha->hw;
1163 fc_port_t *fcport = sp->fcport;
1164 u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
1165 struct event_arg ea;
1166
1167 ql_dbg(ql_dbg_disc, vha, 0x20db,
1168 "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
1169 sp->name, res, fcport->port_name, mb[1], mb[2]);
1170
1171 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1172
1173 if (res == QLA_FUNCTION_TIMEOUT)
1174 goto done;
1175
1176 memset(&ea, 0, sizeof(ea));
1177 ea.fcport = fcport;
1178 ea.sp = sp;
1179
1180 qla24xx_handle_gpdb_event(vha, &ea);
1181
1182 done:
1183 dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
1184 sp->u.iocb_cmd.u.mbx.in_dma);
1185
1186 sp->free(sp);
1187 }
1188
1189 static int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1190 {
1191 struct qla_work_evt *e;
1192
1193 e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
1194 if (!e)
1195 return QLA_FUNCTION_FAILED;
1196
1197 e->u.fcport.fcport = fcport;
1198
1199 return qla2x00_post_work(vha, e);
1200 }
1201
1202 static void qla2x00_async_prli_sp_done(srb_t *sp, int res)
1203 {
1204 struct scsi_qla_host *vha = sp->vha;
1205 struct srb_iocb *lio = &sp->u.iocb_cmd;
1206 struct event_arg ea;
1207
1208 ql_dbg(ql_dbg_disc, vha, 0x2129,
1209 "%s %8phC res %d \n", __func__,
1210 sp->fcport->port_name, res);
1211
1212 sp->fcport->flags &= ~FCF_ASYNC_SENT;
1213
1214 if (!test_bit(UNLOADING, &vha->dpc_flags)) {
1215 memset(&ea, 0, sizeof(ea));
1216 ea.fcport = sp->fcport;
1217 ea.data[0] = lio->u.logio.data[0];
1218 ea.data[1] = lio->u.logio.data[1];
1219 ea.iop[0] = lio->u.logio.iop[0];
1220 ea.iop[1] = lio->u.logio.iop[1];
1221 ea.sp = sp;
1222
1223 qla24xx_handle_prli_done_event(vha, &ea);
1224 }
1225
1226 sp->free(sp);
1227 }
1228
1229 int
1230 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
1231 {
1232 srb_t *sp;
1233 struct srb_iocb *lio;
1234 int rval = QLA_FUNCTION_FAILED;
1235
1236 if (!vha->flags.online) {
1237 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
1238 __func__, __LINE__, fcport->port_name);
1239 return rval;
1240 }
1241
1242 if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
1243 fcport->fw_login_state == DSC_LS_PRLI_PEND) &&
1244 qla_dual_mode_enabled(vha)) {
1245 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
1246 __func__, __LINE__, fcport->port_name);
1247 return rval;
1248 }
1249
1250 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1251 if (!sp)
1252 return rval;
1253
1254 fcport->flags |= FCF_ASYNC_SENT;
1255 fcport->logout_completed = 0;
1256
1257 sp->type = SRB_PRLI_CMD;
1258 sp->name = "prli";
1259
1260 lio = &sp->u.iocb_cmd;
1261 lio->timeout = qla2x00_async_iocb_timeout;
1262 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
1263
1264 sp->done = qla2x00_async_prli_sp_done;
1265 lio->u.logio.flags = 0;
1266
1267 if (NVME_TARGET(vha->hw, fcport))
1268 lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
1269
1270 ql_dbg(ql_dbg_disc, vha, 0x211b,
1271 "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d fc4type %x priority %x %s.\n",
1272 fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24,
1273 fcport->login_retry, fcport->fc4_type, vha->hw->fc4_type_priority,
1274 NVME_TARGET(vha->hw, fcport) ? "nvme" : "fcp");
1275
1276 rval = qla2x00_start_sp(sp);
1277 if (rval != QLA_SUCCESS) {
1278 fcport->flags |= FCF_LOGIN_NEEDED;
1279 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1280 goto done_free_sp;
1281 }
1282
1283 return rval;
1284
1285 done_free_sp:
1286 sp->free(sp);
1287 fcport->flags &= ~FCF_ASYNC_SENT;
1288 return rval;
1289 }
1290
1291 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1292 {
1293 struct qla_work_evt *e;
1294
1295 e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
1296 if (!e)
1297 return QLA_FUNCTION_FAILED;
1298
1299 e->u.fcport.fcport = fcport;
1300 e->u.fcport.opt = opt;
1301 fcport->flags |= FCF_ASYNC_ACTIVE;
1302 return qla2x00_post_work(vha, e);
1303 }
1304
1305 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1306 {
1307 srb_t *sp;
1308 struct srb_iocb *mbx;
1309 int rval = QLA_FUNCTION_FAILED;
1310 u16 *mb;
1311 dma_addr_t pd_dma;
1312 struct port_database_24xx *pd;
1313 struct qla_hw_data *ha = vha->hw;
1314
1315 if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
1316 fcport->loop_id == FC_NO_LOOP_ID) {
1317 ql_log(ql_log_warn, vha, 0xffff,
1318 "%s: %8phC - not sending command.\n",
1319 __func__, fcport->port_name);
1320 return rval;
1321 }
1322
1323 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1324 if (!sp)
1325 goto done;
1326
1327 qla2x00_set_fcport_disc_state(fcport, DSC_GPDB);
1328
1329 fcport->flags |= FCF_ASYNC_SENT;
1330 sp->type = SRB_MB_IOCB;
1331 sp->name = "gpdb";
1332 sp->gen1 = fcport->rscn_gen;
1333 sp->gen2 = fcport->login_gen;
1334
1335 mbx = &sp->u.iocb_cmd;
1336 mbx->timeout = qla2x00_async_iocb_timeout;
1337 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
1338
1339 pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
1340 if (pd == NULL) {
1341 ql_log(ql_log_warn, vha, 0xd043,
1342 "Failed to allocate port database structure.\n");
1343 goto done_free_sp;
1344 }
1345
1346 mb = sp->u.iocb_cmd.u.mbx.out_mb;
1347 mb[0] = MBC_GET_PORT_DATABASE;
1348 mb[1] = fcport->loop_id;
1349 mb[2] = MSW(pd_dma);
1350 mb[3] = LSW(pd_dma);
1351 mb[6] = MSW(MSD(pd_dma));
1352 mb[7] = LSW(MSD(pd_dma));
1353 mb[9] = vha->vp_idx;
1354 mb[10] = opt;
1355
1356 mbx->u.mbx.in = pd;
1357 mbx->u.mbx.in_dma = pd_dma;
1358
1359 sp->done = qla24xx_async_gpdb_sp_done;
1360
1361 ql_dbg(ql_dbg_disc, vha, 0x20dc,
1362 "Async-%s %8phC hndl %x opt %x\n",
1363 sp->name, fcport->port_name, sp->handle, opt);
1364
1365 rval = qla2x00_start_sp(sp);
1366 if (rval != QLA_SUCCESS)
1367 goto done_free_sp;
1368 return rval;
1369
1370 done_free_sp:
1371 if (pd)
1372 dma_pool_free(ha->s_dma_pool, pd, pd_dma);
1373
1374 sp->free(sp);
1375 fcport->flags &= ~FCF_ASYNC_SENT;
1376 done:
1377 fcport->flags &= ~FCF_ASYNC_ACTIVE;
1378 qla24xx_post_gpdb_work(vha, fcport, opt);
1379 return rval;
1380 }
1381
1382 static
1383 void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1384 {
1385 unsigned long flags;
1386
1387 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1388 ea->fcport->login_gen++;
1389 ea->fcport->deleted = 0;
1390 ea->fcport->logout_on_delete = 1;
1391
1392 if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
1393 vha->fcport_count++;
1394 ea->fcport->login_succ = 1;
1395
1396 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1397 qla24xx_sched_upd_fcport(ea->fcport);
1398 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1399 } else if (ea->fcport->login_succ) {
1400 /*
1401 * We have an existing session. A late RSCN delivery
1402 * must have triggered the session to be re-validate.
1403 * Session is still valid.
1404 */
1405 ql_dbg(ql_dbg_disc, vha, 0x20d6,
1406 "%s %d %8phC session revalidate success\n",
1407 __func__, __LINE__, ea->fcport->port_name);
1408 qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_COMPLETE);
1409 }
1410 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1411 }
1412
1413 static
1414 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1415 {
1416 fc_port_t *fcport = ea->fcport;
1417 struct port_database_24xx *pd;
1418 struct srb *sp = ea->sp;
1419 uint8_t ls;
1420
1421 pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
1422
1423 fcport->flags &= ~FCF_ASYNC_SENT;
1424
1425 ql_dbg(ql_dbg_disc, vha, 0x20d2,
1426 "%s %8phC DS %d LS %d fc4_type %x rc %d\n", __func__,
1427 fcport->port_name, fcport->disc_state, pd->current_login_state,
1428 fcport->fc4_type, ea->rc);
1429
1430 if (fcport->disc_state == DSC_DELETE_PEND)
1431 return;
1432
1433 if (NVME_TARGET(vha->hw, fcport))
1434 ls = pd->current_login_state >> 4;
1435 else
1436 ls = pd->current_login_state & 0xf;
1437
1438 if (ea->sp->gen2 != fcport->login_gen) {
1439 /* target side must have changed it. */
1440
1441 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1442 "%s %8phC generation changed\n",
1443 __func__, fcport->port_name);
1444 return;
1445 } else if (ea->sp->gen1 != fcport->rscn_gen) {
1446 qla_rscn_replay(fcport);
1447 qlt_schedule_sess_for_deletion(fcport);
1448 return;
1449 }
1450
1451 switch (ls) {
1452 case PDS_PRLI_COMPLETE:
1453 __qla24xx_parse_gpdb(vha, fcport, pd);
1454 break;
1455 case PDS_PLOGI_PENDING:
1456 case PDS_PLOGI_COMPLETE:
1457 case PDS_PRLI_PENDING:
1458 case PDS_PRLI2_PENDING:
1459 /* Set discovery state back to GNL to Relogin attempt */
1460 if (qla_dual_mode_enabled(vha) ||
1461 qla_ini_mode_enabled(vha)) {
1462 qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1463 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1464 }
1465 return;
1466 case PDS_LOGO_PENDING:
1467 case PDS_PORT_UNAVAILABLE:
1468 default:
1469 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
1470 __func__, __LINE__, fcport->port_name);
1471 qlt_schedule_sess_for_deletion(fcport);
1472 return;
1473 }
1474 __qla24xx_handle_gpdb_event(vha, ea);
1475 } /* gpdb event */
1476
1477 static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1478 {
1479 u8 login = 0;
1480 int rc;
1481
1482 if (qla_tgt_mode_enabled(vha))
1483 return;
1484
1485 if (qla_dual_mode_enabled(vha)) {
1486 if (N2N_TOPO(vha->hw)) {
1487 u64 mywwn, wwn;
1488
1489 mywwn = wwn_to_u64(vha->port_name);
1490 wwn = wwn_to_u64(fcport->port_name);
1491 if (mywwn > wwn)
1492 login = 1;
1493 else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1494 && time_after_eq(jiffies,
1495 fcport->plogi_nack_done_deadline))
1496 login = 1;
1497 } else {
1498 login = 1;
1499 }
1500 } else {
1501 /* initiator mode */
1502 login = 1;
1503 }
1504
1505 if (login && fcport->login_retry) {
1506 fcport->login_retry--;
1507 if (fcport->loop_id == FC_NO_LOOP_ID) {
1508 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
1509 rc = qla2x00_find_new_loop_id(vha, fcport);
1510 if (rc) {
1511 ql_dbg(ql_dbg_disc, vha, 0x20e6,
1512 "%s %d %8phC post del sess - out of loopid\n",
1513 __func__, __LINE__, fcport->port_name);
1514 fcport->scan_state = 0;
1515 qlt_schedule_sess_for_deletion(fcport);
1516 return;
1517 }
1518 }
1519 ql_dbg(ql_dbg_disc, vha, 0x20bf,
1520 "%s %d %8phC post login\n",
1521 __func__, __LINE__, fcport->port_name);
1522 qla2x00_post_async_login_work(vha, fcport, NULL);
1523 }
1524 }
1525
1526 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1527 {
1528 u16 data[2];
1529 u64 wwn;
1530 u16 sec;
1531
1532 ql_dbg(ql_dbg_disc, vha, 0x20d8,
1533 "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d lid %d scan %d\n",
1534 __func__, fcport->port_name, fcport->disc_state,
1535 fcport->fw_login_state, fcport->login_pause, fcport->flags,
1536 fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
1537 fcport->login_gen, fcport->loop_id, fcport->scan_state);
1538
1539 if (fcport->scan_state != QLA_FCPORT_FOUND)
1540 return 0;
1541
1542 if ((fcport->loop_id != FC_NO_LOOP_ID) &&
1543 qla_dual_mode_enabled(vha) &&
1544 ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1545 (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
1546 return 0;
1547
1548 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP &&
1549 !N2N_TOPO(vha->hw)) {
1550 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1551 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1552 return 0;
1553 }
1554 }
1555
1556 /* Target won't initiate port login if fabric is present */
1557 if (vha->host->active_mode == MODE_TARGET && !N2N_TOPO(vha->hw))
1558 return 0;
1559
1560 if (fcport->flags & FCF_ASYNC_SENT) {
1561 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1562 return 0;
1563 }
1564
1565 switch (fcport->disc_state) {
1566 case DSC_DELETED:
1567 wwn = wwn_to_u64(fcport->node_name);
1568 switch (vha->hw->current_topology) {
1569 case ISP_CFG_N:
1570 if (fcport_is_smaller(fcport)) {
1571 /* this adapter is bigger */
1572 if (fcport->login_retry) {
1573 if (fcport->loop_id == FC_NO_LOOP_ID) {
1574 qla2x00_find_new_loop_id(vha,
1575 fcport);
1576 fcport->fw_login_state =
1577 DSC_LS_PORT_UNAVAIL;
1578 }
1579 fcport->login_retry--;
1580 qla_post_els_plogi_work(vha, fcport);
1581 } else {
1582 ql_log(ql_log_info, vha, 0x705d,
1583 "Unable to reach remote port %8phC",
1584 fcport->port_name);
1585 }
1586 } else {
1587 qla24xx_post_gnl_work(vha, fcport);
1588 }
1589 break;
1590 default:
1591 if (wwn == 0) {
1592 ql_dbg(ql_dbg_disc, vha, 0xffff,
1593 "%s %d %8phC post GNNID\n",
1594 __func__, __LINE__, fcport->port_name);
1595 qla24xx_post_gnnid_work(vha, fcport);
1596 } else if (fcport->loop_id == FC_NO_LOOP_ID) {
1597 ql_dbg(ql_dbg_disc, vha, 0x20bd,
1598 "%s %d %8phC post gnl\n",
1599 __func__, __LINE__, fcport->port_name);
1600 qla24xx_post_gnl_work(vha, fcport);
1601 } else {
1602 qla_chk_n2n_b4_login(vha, fcport);
1603 }
1604 break;
1605 }
1606 break;
1607
1608 case DSC_GNL:
1609 switch (vha->hw->current_topology) {
1610 case ISP_CFG_N:
1611 if ((fcport->current_login_state & 0xf) == 0x6) {
1612 ql_dbg(ql_dbg_disc, vha, 0x2118,
1613 "%s %d %8phC post GPDB work\n",
1614 __func__, __LINE__, fcport->port_name);
1615 fcport->chip_reset =
1616 vha->hw->base_qpair->chip_reset;
1617 qla24xx_post_gpdb_work(vha, fcport, 0);
1618 } else {
1619 ql_dbg(ql_dbg_disc, vha, 0x2118,
1620 "%s %d %8phC post %s PRLI\n",
1621 __func__, __LINE__, fcport->port_name,
1622 NVME_TARGET(vha->hw, fcport) ? "NVME" :
1623 "FC");
1624 qla24xx_post_prli_work(vha, fcport);
1625 }
1626 break;
1627 default:
1628 if (fcport->login_pause) {
1629 ql_dbg(ql_dbg_disc, vha, 0x20d8,
1630 "%s %d %8phC exit\n",
1631 __func__, __LINE__,
1632 fcport->port_name);
1633 fcport->last_rscn_gen = fcport->rscn_gen;
1634 fcport->last_login_gen = fcport->login_gen;
1635 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1636 break;
1637 }
1638 qla_chk_n2n_b4_login(vha, fcport);
1639 break;
1640 }
1641 break;
1642
1643 case DSC_LOGIN_FAILED:
1644 if (N2N_TOPO(vha->hw))
1645 qla_chk_n2n_b4_login(vha, fcport);
1646 else
1647 qlt_schedule_sess_for_deletion(fcport);
1648 break;
1649
1650 case DSC_LOGIN_COMPLETE:
1651 /* recheck login state */
1652 data[0] = data[1] = 0;
1653 qla2x00_post_async_adisc_work(vha, fcport, data);
1654 break;
1655
1656 case DSC_LOGIN_PEND:
1657 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1658 qla24xx_post_prli_work(vha, fcport);
1659 break;
1660
1661 case DSC_UPD_FCPORT:
1662 sec = jiffies_to_msecs(jiffies -
1663 fcport->jiffies_at_registration)/1000;
1664 if (fcport->sec_since_registration < sec && sec &&
1665 !(sec % 60)) {
1666 fcport->sec_since_registration = sec;
1667 ql_dbg(ql_dbg_disc, fcport->vha, 0xffff,
1668 "%s %8phC - Slow Rport registration(%d Sec)\n",
1669 __func__, fcport->port_name, sec);
1670 }
1671
1672 if (fcport->next_disc_state != DSC_DELETE_PEND)
1673 fcport->next_disc_state = DSC_ADISC;
1674 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1675 break;
1676
1677 default:
1678 break;
1679 }
1680
1681 return 0;
1682 }
1683
1684 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1685 u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
1686 {
1687 struct qla_work_evt *e;
1688
1689 e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1690 if (!e)
1691 return QLA_FUNCTION_FAILED;
1692
1693 e->u.new_sess.id = *id;
1694 e->u.new_sess.pla = pla;
1695 e->u.new_sess.fc4_type = fc4_type;
1696 memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1697 if (node_name)
1698 memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
1699
1700 return qla2x00_post_work(vha, e);
1701 }
1702
1703 void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
1704 {
1705 fc_port_t *fcport;
1706 unsigned long flags;
1707
1708 fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
1709 if (fcport) {
1710 fcport->scan_needed = 1;
1711 fcport->rscn_gen++;
1712 }
1713
1714 spin_lock_irqsave(&vha->work_lock, flags);
1715 if (vha->scan.scan_flags == 0) {
1716 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s: schedule\n", __func__);
1717 vha->scan.scan_flags |= SF_QUEUED;
1718 schedule_delayed_work(&vha->scan.scan_work, 5);
1719 }
1720 spin_unlock_irqrestore(&vha->work_lock, flags);
1721 }
1722
1723 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1724 struct event_arg *ea)
1725 {
1726 fc_port_t *fcport = ea->fcport;
1727
1728 if (test_bit(UNLOADING, &vha->dpc_flags))
1729 return;
1730
1731 ql_dbg(ql_dbg_disc, vha, 0x2102,
1732 "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1733 __func__, fcport->port_name, fcport->disc_state,
1734 fcport->fw_login_state, fcport->login_pause,
1735 fcport->deleted, fcport->conflict,
1736 fcport->last_rscn_gen, fcport->rscn_gen,
1737 fcport->last_login_gen, fcport->login_gen,
1738 fcport->flags);
1739
1740 if (fcport->last_rscn_gen != fcport->rscn_gen) {
1741 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gnl\n",
1742 __func__, __LINE__, fcport->port_name);
1743 qla24xx_post_gnl_work(vha, fcport);
1744 return;
1745 }
1746
1747 qla24xx_fcport_handle_login(vha, fcport);
1748 }
1749
1750 void qla_handle_els_plogi_done(scsi_qla_host_t *vha,
1751 struct event_arg *ea)
1752 {
1753 /* for pure Target Mode, PRLI will not be initiated */
1754 if (vha->host->active_mode == MODE_TARGET)
1755 return;
1756
1757 ql_dbg(ql_dbg_disc, vha, 0x2118,
1758 "%s %d %8phC post PRLI\n",
1759 __func__, __LINE__, ea->fcport->port_name);
1760 qla24xx_post_prli_work(vha, ea->fcport);
1761 }
1762
1763 /*
1764 * RSCN(s) came in for this fcport, but the RSCN(s) was not able
1765 * to be consumed by the fcport
1766 */
1767 void qla_rscn_replay(fc_port_t *fcport)
1768 {
1769 struct event_arg ea;
1770
1771 switch (fcport->disc_state) {
1772 case DSC_DELETE_PEND:
1773 return;
1774 default:
1775 break;
1776 }
1777
1778 if (fcport->scan_needed) {
1779 memset(&ea, 0, sizeof(ea));
1780 ea.id = fcport->d_id;
1781 ea.id.b.rsvd_1 = RSCN_PORT_ADDR;
1782 qla2x00_handle_rscn(fcport->vha, &ea);
1783 }
1784 }
1785
1786 static void
1787 qla2x00_tmf_iocb_timeout(void *data)
1788 {
1789 srb_t *sp = data;
1790 struct srb_iocb *tmf = &sp->u.iocb_cmd;
1791 int rc, h;
1792 unsigned long flags;
1793
1794 rc = qla24xx_async_abort_cmd(sp, false);
1795 if (rc) {
1796 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
1797 for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) {
1798 if (sp->qpair->req->outstanding_cmds[h] == sp) {
1799 sp->qpair->req->outstanding_cmds[h] = NULL;
1800 break;
1801 }
1802 }
1803 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
1804 tmf->u.tmf.comp_status = cpu_to_le16(CS_TIMEOUT);
1805 tmf->u.tmf.data = QLA_FUNCTION_FAILED;
1806 complete(&tmf->u.tmf.comp);
1807 }
1808 }
1809
1810 static void qla2x00_tmf_sp_done(srb_t *sp, int res)
1811 {
1812 struct srb_iocb *tmf = &sp->u.iocb_cmd;
1813
1814 complete(&tmf->u.tmf.comp);
1815 }
1816
1817 int
1818 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1819 uint32_t tag)
1820 {
1821 struct scsi_qla_host *vha = fcport->vha;
1822 struct srb_iocb *tm_iocb;
1823 srb_t *sp;
1824 int rval = QLA_FUNCTION_FAILED;
1825
1826 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1827 if (!sp)
1828 goto done;
1829
1830 tm_iocb = &sp->u.iocb_cmd;
1831 sp->type = SRB_TM_CMD;
1832 sp->name = "tmf";
1833
1834 tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
1835 init_completion(&tm_iocb->u.tmf.comp);
1836 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1837
1838 tm_iocb->u.tmf.flags = flags;
1839 tm_iocb->u.tmf.lun = lun;
1840 tm_iocb->u.tmf.data = tag;
1841 sp->done = qla2x00_tmf_sp_done;
1842
1843 ql_dbg(ql_dbg_taskm, vha, 0x802f,
1844 "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
1845 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
1846 fcport->d_id.b.area, fcport->d_id.b.al_pa);
1847
1848 rval = qla2x00_start_sp(sp);
1849 if (rval != QLA_SUCCESS)
1850 goto done_free_sp;
1851 wait_for_completion(&tm_iocb->u.tmf.comp);
1852
1853 rval = tm_iocb->u.tmf.data;
1854
1855 if (rval != QLA_SUCCESS) {
1856 ql_log(ql_log_warn, vha, 0x8030,
1857 "TM IOCB failed (%x).\n", rval);
1858 }
1859
1860 if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
1861 flags = tm_iocb->u.tmf.flags;
1862 lun = (uint16_t)tm_iocb->u.tmf.lun;
1863
1864 /* Issue Marker IOCB */
1865 qla2x00_marker(vha, vha->hw->base_qpair,
1866 fcport->loop_id, lun,
1867 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
1868 }
1869
1870 done_free_sp:
1871 sp->free(sp);
1872 fcport->flags &= ~FCF_ASYNC_SENT;
1873 done:
1874 return rval;
1875 }
1876
1877 int
1878 qla24xx_async_abort_command(srb_t *sp)
1879 {
1880 unsigned long flags = 0;
1881
1882 uint32_t handle;
1883 fc_port_t *fcport = sp->fcport;
1884 struct qla_qpair *qpair = sp->qpair;
1885 struct scsi_qla_host *vha = fcport->vha;
1886 struct req_que *req = qpair->req;
1887
1888 spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1889 for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
1890 if (req->outstanding_cmds[handle] == sp)
1891 break;
1892 }
1893 spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1894
1895 if (handle == req->num_outstanding_cmds) {
1896 /* Command not found. */
1897 return QLA_FUNCTION_FAILED;
1898 }
1899 if (sp->type == SRB_FXIOCB_DCMD)
1900 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1901 FXDISC_ABORT_IOCTL);
1902
1903 return qla24xx_async_abort_cmd(sp, true);
1904 }
1905
1906 static void
1907 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1908 {
1909 WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
1910 ea->data[0]);
1911
1912 switch (ea->data[0]) {
1913 case MBS_COMMAND_COMPLETE:
1914 ql_dbg(ql_dbg_disc, vha, 0x2118,
1915 "%s %d %8phC post gpdb\n",
1916 __func__, __LINE__, ea->fcport->port_name);
1917
1918 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1919 ea->fcport->logout_on_delete = 1;
1920 ea->fcport->nvme_prli_service_param = ea->iop[0];
1921 if (ea->iop[0] & NVME_PRLI_SP_FIRST_BURST)
1922 ea->fcport->nvme_first_burst_size =
1923 (ea->iop[1] & 0xffff) * 512;
1924 else
1925 ea->fcport->nvme_first_burst_size = 0;
1926 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1927 break;
1928 default:
1929 if ((ea->iop[0] == LSC_SCODE_ELS_REJECT) &&
1930 (ea->iop[1] == 0x50000)) { /* reson 5=busy expl:0x0 */
1931 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1932 ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
1933 break;
1934 }
1935
1936 ql_dbg(ql_dbg_disc, vha, 0x2118,
1937 "%s %d %8phC priority %s, fc4type %x\n",
1938 __func__, __LINE__, ea->fcport->port_name,
1939 vha->hw->fc4_type_priority == FC4_PRIORITY_FCP ?
1940 "FCP" : "NVMe", ea->fcport->fc4_type);
1941
1942 if (N2N_TOPO(vha->hw)) {
1943 if (vha->hw->fc4_type_priority == FC4_PRIORITY_NVME) {
1944 ea->fcport->fc4_type &= ~FS_FC4TYPE_NVME;
1945 ea->fcport->fc4_type |= FS_FC4TYPE_FCP;
1946 } else {
1947 ea->fcport->fc4_type &= ~FS_FC4TYPE_FCP;
1948 ea->fcport->fc4_type |= FS_FC4TYPE_NVME;
1949 }
1950
1951 if (ea->fcport->n2n_link_reset_cnt < 3) {
1952 ea->fcport->n2n_link_reset_cnt++;
1953 vha->relogin_jif = jiffies + 2 * HZ;
1954 /*
1955 * PRLI failed. Reset link to kick start
1956 * state machine
1957 */
1958 set_bit(N2N_LINK_RESET, &vha->dpc_flags);
1959 } else {
1960 ql_log(ql_log_warn, vha, 0x2119,
1961 "%s %d %8phC Unable to reconnect\n",
1962 __func__, __LINE__,
1963 ea->fcport->port_name);
1964 }
1965 } else {
1966 /*
1967 * switch connect. login failed. Take connection down
1968 * and allow relogin to retrigger
1969 */
1970 if (NVME_FCP_TARGET(ea->fcport)) {
1971 ql_dbg(ql_dbg_disc, vha, 0x2118,
1972 "%s %d %8phC post %s prli\n",
1973 __func__, __LINE__,
1974 ea->fcport->port_name,
1975 (ea->fcport->fc4_type & FS_FC4TYPE_NVME)
1976 ? "NVMe" : "FCP");
1977 if (vha->hw->fc4_type_priority == FC4_PRIORITY_NVME)
1978 ea->fcport->fc4_type &= ~FS_FC4TYPE_NVME;
1979 else
1980 ea->fcport->fc4_type &= ~FS_FC4TYPE_FCP;
1981 }
1982
1983 ea->fcport->flags &= ~FCF_ASYNC_SENT;
1984 ea->fcport->keep_nport_handle = 0;
1985 ea->fcport->logout_on_delete = 1;
1986 qlt_schedule_sess_for_deletion(ea->fcport);
1987 }
1988 break;
1989 }
1990 }
1991
1992 void
1993 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1994 {
1995 port_id_t cid; /* conflict Nport id */
1996 u16 lid;
1997 struct fc_port *conflict_fcport;
1998 unsigned long flags;
1999 struct fc_port *fcport = ea->fcport;
2000
2001 ql_dbg(ql_dbg_disc, vha, 0xffff,
2002 "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
2003 __func__, fcport->port_name, fcport->disc_state,
2004 fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
2005 ea->sp->gen1, fcport->rscn_gen,
2006 ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
2007
2008 if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
2009 (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
2010 ql_dbg(ql_dbg_disc, vha, 0x20ea,
2011 "%s %d %8phC Remote is trying to login\n",
2012 __func__, __LINE__, fcport->port_name);
2013 return;
2014 }
2015
2016 if ((fcport->disc_state == DSC_DELETE_PEND) ||
2017 (fcport->disc_state == DSC_DELETED)) {
2018 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2019 return;
2020 }
2021
2022 if (ea->sp->gen2 != fcport->login_gen) {
2023 /* target side must have changed it. */
2024 ql_dbg(ql_dbg_disc, vha, 0x20d3,
2025 "%s %8phC generation changed\n",
2026 __func__, fcport->port_name);
2027 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2028 return;
2029 } else if (ea->sp->gen1 != fcport->rscn_gen) {
2030 ql_dbg(ql_dbg_disc, vha, 0x20d3,
2031 "%s %8phC RSCN generation changed\n",
2032 __func__, fcport->port_name);
2033 qla_rscn_replay(fcport);
2034 qlt_schedule_sess_for_deletion(fcport);
2035 return;
2036 }
2037
2038 WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
2039 ea->data[0]);
2040
2041 switch (ea->data[0]) {
2042 case MBS_COMMAND_COMPLETE:
2043 /*
2044 * Driver must validate login state - If PRLI not complete,
2045 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
2046 * requests.
2047 */
2048 if (NVME_TARGET(vha->hw, ea->fcport)) {
2049 ql_dbg(ql_dbg_disc, vha, 0x2117,
2050 "%s %d %8phC post prli\n",
2051 __func__, __LINE__, ea->fcport->port_name);
2052 qla24xx_post_prli_work(vha, ea->fcport);
2053 } else {
2054 ql_dbg(ql_dbg_disc, vha, 0x20ea,
2055 "%s %d %8phC LoopID 0x%x in use with %06x. post gpdb\n",
2056 __func__, __LINE__, ea->fcport->port_name,
2057 ea->fcport->loop_id, ea->fcport->d_id.b24);
2058
2059 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2060 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2061 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2062 ea->fcport->logout_on_delete = 1;
2063 ea->fcport->send_els_logo = 0;
2064 ea->fcport->fw_login_state = DSC_LS_PRLI_COMP;
2065 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2066
2067 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2068 }
2069 break;
2070 case MBS_COMMAND_ERROR:
2071 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
2072 __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
2073
2074 ea->fcport->flags &= ~FCF_ASYNC_SENT;
2075 qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_FAILED);
2076 if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED)
2077 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2078 else
2079 qla2x00_mark_device_lost(vha, ea->fcport, 1);
2080 break;
2081 case MBS_LOOP_ID_USED:
2082 /* data[1] = IO PARAM 1 = nport ID */
2083 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
2084 cid.b.area = (ea->iop[1] >> 8) & 0xff;
2085 cid.b.al_pa = ea->iop[1] & 0xff;
2086 cid.b.rsvd_1 = 0;
2087
2088 ql_dbg(ql_dbg_disc, vha, 0x20ec,
2089 "%s %d %8phC lid %#x in use with pid %06x post gnl\n",
2090 __func__, __LINE__, ea->fcport->port_name,
2091 ea->fcport->loop_id, cid.b24);
2092
2093 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2094 ea->fcport->loop_id = FC_NO_LOOP_ID;
2095 qla24xx_post_gnl_work(vha, ea->fcport);
2096 break;
2097 case MBS_PORT_ID_USED:
2098 lid = ea->iop[1] & 0xffff;
2099 qlt_find_sess_invalidate_other(vha,
2100 wwn_to_u64(ea->fcport->port_name),
2101 ea->fcport->d_id, lid, &conflict_fcport);
2102
2103 if (conflict_fcport) {
2104 /*
2105 * Another fcport share the same loop_id/nport id.
2106 * Conflict fcport needs to finish cleanup before this
2107 * fcport can proceed to login.
2108 */
2109 conflict_fcport->conflict = ea->fcport;
2110 ea->fcport->login_pause = 1;
2111
2112 ql_dbg(ql_dbg_disc, vha, 0x20ed,
2113 "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
2114 __func__, __LINE__, ea->fcport->port_name,
2115 ea->fcport->d_id.b24, lid);
2116 } else {
2117 ql_dbg(ql_dbg_disc, vha, 0x20ed,
2118 "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
2119 __func__, __LINE__, ea->fcport->port_name,
2120 ea->fcport->d_id.b24, lid);
2121
2122 qla2x00_clear_loop_id(ea->fcport);
2123 set_bit(lid, vha->hw->loop_id_map);
2124 ea->fcport->loop_id = lid;
2125 ea->fcport->keep_nport_handle = 0;
2126 ea->fcport->logout_on_delete = 1;
2127 qlt_schedule_sess_for_deletion(ea->fcport);
2128 }
2129 break;
2130 }
2131 return;
2132 }
2133
2134 /****************************************************************************/
2135 /* QLogic ISP2x00 Hardware Support Functions. */
2136 /****************************************************************************/
2137
2138 static int
2139 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
2140 {
2141 int rval = QLA_SUCCESS;
2142 struct qla_hw_data *ha = vha->hw;
2143 uint32_t idc_major_ver, idc_minor_ver;
2144 uint16_t config[4];
2145
2146 qla83xx_idc_lock(vha, 0);
2147
2148 /* SV: TODO: Assign initialization timeout from
2149 * flash-info / other param
2150 */
2151 ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
2152 ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
2153
2154 /* Set our fcoe function presence */
2155 if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
2156 ql_dbg(ql_dbg_p3p, vha, 0xb077,
2157 "Error while setting DRV-Presence.\n");
2158 rval = QLA_FUNCTION_FAILED;
2159 goto exit;
2160 }
2161
2162 /* Decide the reset ownership */
2163 qla83xx_reset_ownership(vha);
2164
2165 /*
2166 * On first protocol driver load:
2167 * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
2168 * register.
2169 * Others: Check compatibility with current IDC Major version.
2170 */
2171 qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
2172 if (ha->flags.nic_core_reset_owner) {
2173 /* Set IDC Major version */
2174 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
2175 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
2176
2177 /* Clearing IDC-Lock-Recovery register */
2178 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
2179 } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
2180 /*
2181 * Clear further IDC participation if we are not compatible with
2182 * the current IDC Major Version.
2183 */
2184 ql_log(ql_log_warn, vha, 0xb07d,
2185 "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
2186 idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
2187 __qla83xx_clear_drv_presence(vha);
2188 rval = QLA_FUNCTION_FAILED;
2189 goto exit;
2190 }
2191 /* Each function sets its supported Minor version. */
2192 qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
2193 idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
2194 qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
2195
2196 if (ha->flags.nic_core_reset_owner) {
2197 memset(config, 0, sizeof(config));
2198 if (!qla81xx_get_port_config(vha, config))
2199 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
2200 QLA8XXX_DEV_READY);
2201 }
2202
2203 rval = qla83xx_idc_state_handler(vha);
2204
2205 exit:
2206 qla83xx_idc_unlock(vha, 0);
2207
2208 return rval;
2209 }
2210
2211 /*
2212 * qla2x00_initialize_adapter
2213 * Initialize board.
2214 *
2215 * Input:
2216 * ha = adapter block pointer.
2217 *
2218 * Returns:
2219 * 0 = success
2220 */
2221 int
2222 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
2223 {
2224 int rval;
2225 struct qla_hw_data *ha = vha->hw;
2226 struct req_que *req = ha->req_q_map[0];
2227 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2228
2229 memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2230 memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2231
2232 /* Clear adapter flags. */
2233 vha->flags.online = 0;
2234 ha->flags.chip_reset_done = 0;
2235 vha->flags.reset_active = 0;
2236 ha->flags.pci_channel_io_perm_failure = 0;
2237 ha->flags.eeh_busy = 0;
2238 vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2239 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2240 atomic_set(&vha->loop_state, LOOP_DOWN);
2241 vha->device_flags = DFLG_NO_CABLE;
2242 vha->dpc_flags = 0;
2243 vha->flags.management_server_logged_in = 0;
2244 vha->marker_needed = 0;
2245 ha->isp_abort_cnt = 0;
2246 ha->beacon_blink_led = 0;
2247
2248 set_bit(0, ha->req_qid_map);
2249 set_bit(0, ha->rsp_qid_map);
2250
2251 ql_dbg(ql_dbg_init, vha, 0x0040,
2252 "Configuring PCI space...\n");
2253 rval = ha->isp_ops->pci_config(vha);
2254 if (rval) {
2255 ql_log(ql_log_warn, vha, 0x0044,
2256 "Unable to configure PCI space.\n");
2257 return (rval);
2258 }
2259
2260 ha->isp_ops->reset_chip(vha);
2261
2262 /* Check for secure flash support */
2263 if (IS_QLA28XX(ha)) {
2264 if (rd_reg_word(&reg->mailbox12) & BIT_0)
2265 ha->flags.secure_adapter = 1;
2266 ql_log(ql_log_info, vha, 0xffff, "Secure Adapter: %s\n",
2267 (ha->flags.secure_adapter) ? "Yes" : "No");
2268 }
2269
2270
2271 rval = qla2xxx_get_flash_info(vha);
2272 if (rval) {
2273 ql_log(ql_log_fatal, vha, 0x004f,
2274 "Unable to validate FLASH data.\n");
2275 return rval;
2276 }
2277
2278 if (IS_QLA8044(ha)) {
2279 qla8044_read_reset_template(vha);
2280
2281 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
2282 * If DONRESET_BIT0 is set, drivers should not set dev_state
2283 * to NEED_RESET. But if NEED_RESET is set, drivers should
2284 * should honor the reset. */
2285 if (ql2xdontresethba == 1)
2286 qla8044_set_idc_dontreset(vha);
2287 }
2288
2289 ha->isp_ops->get_flash_version(vha, req->ring);
2290 ql_dbg(ql_dbg_init, vha, 0x0061,
2291 "Configure NVRAM parameters...\n");
2292
2293 /* Let priority default to FCP, can be overridden by nvram_config */
2294 ha->fc4_type_priority = FC4_PRIORITY_FCP;
2295
2296 ha->isp_ops->nvram_config(vha);
2297
2298 if (ha->fc4_type_priority != FC4_PRIORITY_FCP &&
2299 ha->fc4_type_priority != FC4_PRIORITY_NVME)
2300 ha->fc4_type_priority = FC4_PRIORITY_FCP;
2301
2302 ql_log(ql_log_info, vha, 0xffff, "FC4 priority set to %s\n",
2303 ha->fc4_type_priority == FC4_PRIORITY_FCP ? "FCP" : "NVMe");
2304
2305 if (ha->flags.disable_serdes) {
2306 /* Mask HBA via NVRAM settings? */
2307 ql_log(ql_log_info, vha, 0x0077,
2308 "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
2309 return QLA_FUNCTION_FAILED;
2310 }
2311
2312 ql_dbg(ql_dbg_init, vha, 0x0078,
2313 "Verifying loaded RISC code...\n");
2314
2315 /* If smartsan enabled then require fdmi and rdp enabled */
2316 if (ql2xsmartsan) {
2317 ql2xfdmienable = 1;
2318 ql2xrdpenable = 1;
2319 }
2320
2321 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
2322 rval = ha->isp_ops->chip_diag(vha);
2323 if (rval)
2324 return (rval);
2325 rval = qla2x00_setup_chip(vha);
2326 if (rval)
2327 return (rval);
2328 }
2329
2330 if (IS_QLA84XX(ha)) {
2331 ha->cs84xx = qla84xx_get_chip(vha);
2332 if (!ha->cs84xx) {
2333 ql_log(ql_log_warn, vha, 0x00d0,
2334 "Unable to configure ISP84XX.\n");
2335 return QLA_FUNCTION_FAILED;
2336 }
2337 }
2338
2339 if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2340 rval = qla2x00_init_rings(vha);
2341
2342 /* No point in continuing if firmware initialization failed. */
2343 if (rval != QLA_SUCCESS)
2344 return rval;
2345
2346 ha->flags.chip_reset_done = 1;
2347
2348 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2349 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
2350 rval = qla84xx_init_chip(vha);
2351 if (rval != QLA_SUCCESS) {
2352 ql_log(ql_log_warn, vha, 0x00d4,
2353 "Unable to initialize ISP84XX.\n");
2354 qla84xx_put_chip(vha);
2355 }
2356 }
2357
2358 /* Load the NIC Core f/w if we are the first protocol driver. */
2359 if (IS_QLA8031(ha)) {
2360 rval = qla83xx_nic_core_fw_load(vha);
2361 if (rval)
2362 ql_log(ql_log_warn, vha, 0x0124,
2363 "Error in initializing NIC Core f/w.\n");
2364 }
2365
2366 if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
2367 qla24xx_read_fcp_prio_cfg(vha);
2368
2369 if (IS_P3P_TYPE(ha))
2370 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
2371 else
2372 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
2373
2374 return (rval);
2375 }
2376
2377 /**
2378 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2379 * @vha: HA context
2380 *
2381 * Returns 0 on success.
2382 */
2383 int
2384 qla2100_pci_config(scsi_qla_host_t *vha)
2385 {
2386 uint16_t w;
2387 unsigned long flags;
2388 struct qla_hw_data *ha = vha->hw;
2389 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2390
2391 pci_set_master(ha->pdev);
2392 pci_try_set_mwi(ha->pdev);
2393
2394 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2395 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2396 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2397
2398 pci_disable_rom(ha->pdev);
2399
2400 /* Get PCI bus information. */
2401 spin_lock_irqsave(&ha->hardware_lock, flags);
2402 ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2403 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2404
2405 return QLA_SUCCESS;
2406 }
2407
2408 /**
2409 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2410 * @vha: HA context
2411 *
2412 * Returns 0 on success.
2413 */
2414 int
2415 qla2300_pci_config(scsi_qla_host_t *vha)
2416 {
2417 uint16_t w;
2418 unsigned long flags = 0;
2419 uint32_t cnt;
2420 struct qla_hw_data *ha = vha->hw;
2421 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2422
2423 pci_set_master(ha->pdev);
2424 pci_try_set_mwi(ha->pdev);
2425
2426 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2427 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2428
2429 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2430 w &= ~PCI_COMMAND_INTX_DISABLE;
2431 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2432
2433 /*
2434 * If this is a 2300 card and not 2312, reset the
2435 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
2436 * the 2310 also reports itself as a 2300 so we need to get the
2437 * fb revision level -- a 6 indicates it really is a 2300 and
2438 * not a 2310.
2439 */
2440 if (IS_QLA2300(ha)) {
2441 spin_lock_irqsave(&ha->hardware_lock, flags);
2442
2443 /* Pause RISC. */
2444 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2445 for (cnt = 0; cnt < 30000; cnt++) {
2446 if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2447 break;
2448
2449 udelay(10);
2450 }
2451
2452 /* Select FPM registers. */
2453 wrt_reg_word(&reg->ctrl_status, 0x20);
2454 rd_reg_word(&reg->ctrl_status);
2455
2456 /* Get the fb rev level */
2457 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2458
2459 if (ha->fb_rev == FPM_2300)
2460 pci_clear_mwi(ha->pdev);
2461
2462 /* Deselect FPM registers. */
2463 wrt_reg_word(&reg->ctrl_status, 0x0);
2464 rd_reg_word(&reg->ctrl_status);
2465
2466 /* Release RISC module. */
2467 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2468 for (cnt = 0; cnt < 30000; cnt++) {
2469 if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2470 break;
2471
2472 udelay(10);
2473 }
2474
2475 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2476 }
2477
2478 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2479
2480 pci_disable_rom(ha->pdev);
2481
2482 /* Get PCI bus information. */
2483 spin_lock_irqsave(&ha->hardware_lock, flags);
2484 ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2485 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2486
2487 return QLA_SUCCESS;
2488 }
2489
2490 /**
2491 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2492 * @vha: HA context
2493 *
2494 * Returns 0 on success.
2495 */
2496 int
2497 qla24xx_pci_config(scsi_qla_host_t *vha)
2498 {
2499 uint16_t w;
2500 unsigned long flags = 0;
2501 struct qla_hw_data *ha = vha->hw;
2502 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2503
2504 pci_set_master(ha->pdev);
2505 pci_try_set_mwi(ha->pdev);
2506
2507 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2508 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2509 w &= ~PCI_COMMAND_INTX_DISABLE;
2510 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2511
2512 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2513
2514 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
2515 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
2516 pcix_set_mmrbc(ha->pdev, 2048);
2517
2518 /* PCIe -- adjust Maximum Read Request Size (2048). */
2519 if (pci_is_pcie(ha->pdev))
2520 pcie_set_readrq(ha->pdev, 4096);
2521
2522 pci_disable_rom(ha->pdev);
2523
2524 ha->chip_revision = ha->pdev->revision;
2525
2526 /* Get PCI bus information. */
2527 spin_lock_irqsave(&ha->hardware_lock, flags);
2528 ha->pci_attr = rd_reg_dword(&reg->ctrl_status);
2529 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2530
2531 return QLA_SUCCESS;
2532 }
2533
2534 /**
2535 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
2536 * @vha: HA context
2537 *
2538 * Returns 0 on success.
2539 */
2540 int
2541 qla25xx_pci_config(scsi_qla_host_t *vha)
2542 {
2543 uint16_t w;
2544 struct qla_hw_data *ha = vha->hw;
2545
2546 pci_set_master(ha->pdev);
2547 pci_try_set_mwi(ha->pdev);
2548
2549 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2550 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2551 w &= ~PCI_COMMAND_INTX_DISABLE;
2552 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2553
2554 /* PCIe -- adjust Maximum Read Request Size (2048). */
2555 if (pci_is_pcie(ha->pdev))
2556 pcie_set_readrq(ha->pdev, 4096);
2557
2558 pci_disable_rom(ha->pdev);
2559
2560 ha->chip_revision = ha->pdev->revision;
2561
2562 return QLA_SUCCESS;
2563 }
2564
2565 /**
2566 * qla2x00_isp_firmware() - Choose firmware image.
2567 * @vha: HA context
2568 *
2569 * Returns 0 on success.
2570 */
2571 static int
2572 qla2x00_isp_firmware(scsi_qla_host_t *vha)
2573 {
2574 int rval;
2575 uint16_t loop_id, topo, sw_cap;
2576 uint8_t domain, area, al_pa;
2577 struct qla_hw_data *ha = vha->hw;
2578
2579 /* Assume loading risc code */
2580 rval = QLA_FUNCTION_FAILED;
2581
2582 if (ha->flags.disable_risc_code_load) {
2583 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
2584
2585 /* Verify checksum of loaded RISC code. */
2586 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
2587 if (rval == QLA_SUCCESS) {
2588 /* And, verify we are not in ROM code. */
2589 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2590 &area, &domain, &topo, &sw_cap);
2591 }
2592 }
2593
2594 if (rval)
2595 ql_dbg(ql_dbg_init, vha, 0x007a,
2596 "**** Load RISC code ****.\n");
2597
2598 return (rval);
2599 }
2600
2601 /**
2602 * qla2x00_reset_chip() - Reset ISP chip.
2603 * @vha: HA context
2604 *
2605 * Returns 0 on success.
2606 */
2607 int
2608 qla2x00_reset_chip(scsi_qla_host_t *vha)
2609 {
2610 unsigned long flags = 0;
2611 struct qla_hw_data *ha = vha->hw;
2612 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2613 uint32_t cnt;
2614 uint16_t cmd;
2615 int rval = QLA_FUNCTION_FAILED;
2616
2617 if (unlikely(pci_channel_offline(ha->pdev)))
2618 return rval;
2619
2620 ha->isp_ops->disable_intrs(ha);
2621
2622 spin_lock_irqsave(&ha->hardware_lock, flags);
2623
2624 /* Turn off master enable */
2625 cmd = 0;
2626 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
2627 cmd &= ~PCI_COMMAND_MASTER;
2628 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2629
2630 if (!IS_QLA2100(ha)) {
2631 /* Pause RISC. */
2632 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2633 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
2634 for (cnt = 0; cnt < 30000; cnt++) {
2635 if ((rd_reg_word(&reg->hccr) &
2636 HCCR_RISC_PAUSE) != 0)
2637 break;
2638 udelay(100);
2639 }
2640 } else {
2641 rd_reg_word(&reg->hccr); /* PCI Posting. */
2642 udelay(10);
2643 }
2644
2645 /* Select FPM registers. */
2646 wrt_reg_word(&reg->ctrl_status, 0x20);
2647 rd_reg_word(&reg->ctrl_status); /* PCI Posting. */
2648
2649 /* FPM Soft Reset. */
2650 wrt_reg_word(&reg->fpm_diag_config, 0x100);
2651 rd_reg_word(&reg->fpm_diag_config); /* PCI Posting. */
2652
2653 /* Toggle Fpm Reset. */
2654 if (!IS_QLA2200(ha)) {
2655 wrt_reg_word(&reg->fpm_diag_config, 0x0);
2656 rd_reg_word(&reg->fpm_diag_config); /* PCI Posting. */
2657 }
2658
2659 /* Select frame buffer registers. */
2660 wrt_reg_word(&reg->ctrl_status, 0x10);
2661 rd_reg_word(&reg->ctrl_status); /* PCI Posting. */
2662
2663 /* Reset frame buffer FIFOs. */
2664 if (IS_QLA2200(ha)) {
2665 WRT_FB_CMD_REG(ha, reg, 0xa000);
2666 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
2667 } else {
2668 WRT_FB_CMD_REG(ha, reg, 0x00fc);
2669
2670 /* Read back fb_cmd until zero or 3 seconds max */
2671 for (cnt = 0; cnt < 3000; cnt++) {
2672 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
2673 break;
2674 udelay(100);
2675 }
2676 }
2677
2678 /* Select RISC module registers. */
2679 wrt_reg_word(&reg->ctrl_status, 0);
2680 rd_reg_word(&reg->ctrl_status); /* PCI Posting. */
2681
2682 /* Reset RISC processor. */
2683 wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
2684 rd_reg_word(&reg->hccr); /* PCI Posting. */
2685
2686 /* Release RISC processor. */
2687 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2688 rd_reg_word(&reg->hccr); /* PCI Posting. */
2689 }
2690
2691 wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
2692 wrt_reg_word(&reg->hccr, HCCR_CLR_HOST_INT);
2693
2694 /* Reset ISP chip. */
2695 wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2696
2697 /* Wait for RISC to recover from reset. */
2698 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2699 /*
2700 * It is necessary to for a delay here since the card doesn't
2701 * respond to PCI reads during a reset. On some architectures
2702 * this will result in an MCA.
2703 */
2704 udelay(20);
2705 for (cnt = 30000; cnt; cnt--) {
2706 if ((rd_reg_word(&reg->ctrl_status) &
2707 CSR_ISP_SOFT_RESET) == 0)
2708 break;
2709 udelay(100);
2710 }
2711 } else
2712 udelay(10);
2713
2714 /* Reset RISC processor. */
2715 wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
2716
2717 wrt_reg_word(&reg->semaphore, 0);
2718
2719 /* Release RISC processor. */
2720 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2721 rd_reg_word(&reg->hccr); /* PCI Posting. */
2722
2723 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2724 for (cnt = 0; cnt < 30000; cnt++) {
2725 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
2726 break;
2727
2728 udelay(100);
2729 }
2730 } else
2731 udelay(100);
2732
2733 /* Turn on master enable */
2734 cmd |= PCI_COMMAND_MASTER;
2735 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2736
2737 /* Disable RISC pause on FPM parity error. */
2738 if (!IS_QLA2100(ha)) {
2739 wrt_reg_word(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
2740 rd_reg_word(&reg->hccr); /* PCI Posting. */
2741 }
2742
2743 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2744
2745 return QLA_SUCCESS;
2746 }
2747
2748 /**
2749 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2750 * @vha: HA context
2751 *
2752 * Returns 0 on success.
2753 */
2754 static int
2755 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2756 {
2757 uint16_t mb[4] = {0x1010, 0, 1, 0};
2758
2759 if (!IS_QLA81XX(vha->hw))
2760 return QLA_SUCCESS;
2761
2762 return qla81xx_write_mpi_register(vha, mb);
2763 }
2764
2765 /**
2766 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2767 * @vha: HA context
2768 *
2769 * Returns 0 on success.
2770 */
2771 static inline int
2772 qla24xx_reset_risc(scsi_qla_host_t *vha)
2773 {
2774 unsigned long flags = 0;
2775 struct qla_hw_data *ha = vha->hw;
2776 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2777 uint32_t cnt;
2778 uint16_t wd;
2779 static int abts_cnt; /* ISP abort retry counts */
2780 int rval = QLA_SUCCESS;
2781
2782 spin_lock_irqsave(&ha->hardware_lock, flags);
2783
2784 /* Reset RISC. */
2785 wrt_reg_dword(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2786 for (cnt = 0; cnt < 30000; cnt++) {
2787 if ((rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
2788 break;
2789
2790 udelay(10);
2791 }
2792
2793 if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
2794 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
2795
2796 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
2797 "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
2798 rd_reg_dword(&reg->hccr),
2799 rd_reg_dword(&reg->ctrl_status),
2800 (rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
2801
2802 wrt_reg_dword(&reg->ctrl_status,
2803 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2804 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2805
2806 udelay(100);
2807
2808 /* Wait for firmware to complete NVRAM accesses. */
2809 rd_reg_word(&reg->mailbox0);
2810 for (cnt = 10000; rd_reg_word(&reg->mailbox0) != 0 &&
2811 rval == QLA_SUCCESS; cnt--) {
2812 barrier();
2813 if (cnt)
2814 udelay(5);
2815 else
2816 rval = QLA_FUNCTION_TIMEOUT;
2817 }
2818
2819 if (rval == QLA_SUCCESS)
2820 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
2821
2822 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
2823 "HCCR: 0x%x, MailBox0 Status 0x%x\n",
2824 rd_reg_dword(&reg->hccr),
2825 rd_reg_word(&reg->mailbox0));
2826
2827 /* Wait for soft-reset to complete. */
2828 rd_reg_dword(&reg->ctrl_status);
2829 for (cnt = 0; cnt < 60; cnt++) {
2830 barrier();
2831 if ((rd_reg_dword(&reg->ctrl_status) &
2832 CSRX_ISP_SOFT_RESET) == 0)
2833 break;
2834
2835 udelay(5);
2836 }
2837 if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
2838 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
2839
2840 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
2841 "HCCR: 0x%x, Soft Reset status: 0x%x\n",
2842 rd_reg_dword(&reg->hccr),
2843 rd_reg_dword(&reg->ctrl_status));
2844
2845 /* If required, do an MPI FW reset now */
2846 if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
2847 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
2848 if (++abts_cnt < 5) {
2849 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2850 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
2851 } else {
2852 /*
2853 * We exhausted the ISP abort retries. We have to
2854 * set the board offline.
2855 */
2856 abts_cnt = 0;
2857 vha->flags.online = 0;
2858 }
2859 }
2860 }
2861
2862 wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
2863 rd_reg_dword(&reg->hccr);
2864
2865 wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2866 rd_reg_dword(&reg->hccr);
2867
2868 wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_RESET);
2869 rd_reg_dword(&reg->hccr);
2870
2871 rd_reg_word(&reg->mailbox0);
2872 for (cnt = 60; rd_reg_word(&reg->mailbox0) != 0 &&
2873 rval == QLA_SUCCESS; cnt--) {
2874 barrier();
2875 if (cnt)
2876 udelay(5);
2877 else
2878 rval = QLA_FUNCTION_TIMEOUT;
2879 }
2880 if (rval == QLA_SUCCESS)
2881 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2882
2883 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
2884 "Host Risc 0x%x, mailbox0 0x%x\n",
2885 rd_reg_dword(&reg->hccr),
2886 rd_reg_word(&reg->mailbox0));
2887
2888 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2889
2890 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
2891 "Driver in %s mode\n",
2892 IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
2893
2894 if (IS_NOPOLLING_TYPE(ha))
2895 ha->isp_ops->enable_intrs(ha);
2896
2897 return rval;
2898 }
2899
2900 static void
2901 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
2902 {
2903 struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2904
2905 wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2906 *data = rd_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET);
2907 }
2908
2909 static void
2910 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
2911 {
2912 struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2913
2914 wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2915 wrt_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET, data);
2916 }
2917
2918 static void
2919 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
2920 {
2921 uint32_t wd32 = 0;
2922 uint delta_msec = 100;
2923 uint elapsed_msec = 0;
2924 uint timeout_msec;
2925 ulong n;
2926
2927 if (vha->hw->pdev->subsystem_device != 0x0175 &&
2928 vha->hw->pdev->subsystem_device != 0x0240)
2929 return;
2930
2931 wrt_reg_dword(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
2932 udelay(100);
2933
2934 attempt:
2935 timeout_msec = TIMEOUT_SEMAPHORE;
2936 n = timeout_msec / delta_msec;
2937 while (n--) {
2938 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
2939 qla25xx_read_risc_sema_reg(vha, &wd32);
2940 if (wd32 & RISC_SEMAPHORE)
2941 break;
2942 msleep(delta_msec);
2943 elapsed_msec += delta_msec;
2944 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2945 goto force;
2946 }
2947
2948 if (!(wd32 & RISC_SEMAPHORE))
2949 goto force;
2950
2951 if (!(wd32 & RISC_SEMAPHORE_FORCE))
2952 goto acquired;
2953
2954 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
2955 timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
2956 n = timeout_msec / delta_msec;
2957 while (n--) {
2958 qla25xx_read_risc_sema_reg(vha, &wd32);
2959 if (!(wd32 & RISC_SEMAPHORE_FORCE))
2960 break;
2961 msleep(delta_msec);
2962 elapsed_msec += delta_msec;
2963 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2964 goto force;
2965 }
2966
2967 if (wd32 & RISC_SEMAPHORE_FORCE)
2968 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
2969
2970 goto attempt;
2971
2972 force:
2973 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
2974
2975 acquired:
2976 return;
2977 }
2978
2979 /**
2980 * qla24xx_reset_chip() - Reset ISP24xx chip.
2981 * @vha: HA context
2982 *
2983 * Returns 0 on success.
2984 */
2985 int
2986 qla24xx_reset_chip(scsi_qla_host_t *vha)
2987 {
2988 struct qla_hw_data *ha = vha->hw;
2989 int rval = QLA_FUNCTION_FAILED;
2990
2991 if (pci_channel_offline(ha->pdev) &&
2992 ha->flags.pci_channel_io_perm_failure) {
2993 return rval;
2994 }
2995
2996 ha->isp_ops->disable_intrs(ha);
2997
2998 qla25xx_manipulate_risc_semaphore(vha);
2999
3000 /* Perform RISC reset. */
3001 rval = qla24xx_reset_risc(vha);
3002
3003 return rval;
3004 }
3005
3006 /**
3007 * qla2x00_chip_diag() - Test chip for proper operation.
3008 * @vha: HA context
3009 *
3010 * Returns 0 on success.
3011 */
3012 int
3013 qla2x00_chip_diag(scsi_qla_host_t *vha)
3014 {
3015 int rval;
3016 struct qla_hw_data *ha = vha->hw;
3017 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3018 unsigned long flags = 0;
3019 uint16_t data;
3020 uint32_t cnt;
3021 uint16_t mb[5];
3022 struct req_que *req = ha->req_q_map[0];
3023
3024 /* Assume a failed state */
3025 rval = QLA_FUNCTION_FAILED;
3026
3027 ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
3028 &reg->flash_address);
3029
3030 spin_lock_irqsave(&ha->hardware_lock, flags);
3031
3032 /* Reset ISP chip. */
3033 wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
3034
3035 /*
3036 * We need to have a delay here since the card will not respond while
3037 * in reset causing an MCA on some architectures.
3038 */
3039 udelay(20);
3040 data = qla2x00_debounce_register(&reg->ctrl_status);
3041 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
3042 udelay(5);
3043 data = rd_reg_word(&reg->ctrl_status);
3044 barrier();
3045 }
3046
3047 if (!cnt)
3048 goto chip_diag_failed;
3049
3050 ql_dbg(ql_dbg_init, vha, 0x007c,
3051 "Reset register cleared by chip reset.\n");
3052
3053 /* Reset RISC processor. */
3054 wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
3055 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
3056
3057 /* Workaround for QLA2312 PCI parity error */
3058 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
3059 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
3060 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
3061 udelay(5);
3062 data = RD_MAILBOX_REG(ha, reg, 0);
3063 barrier();
3064 }
3065 } else
3066 udelay(10);
3067
3068 if (!cnt)
3069 goto chip_diag_failed;
3070
3071 /* Check product ID of chip */
3072 ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
3073
3074 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
3075 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
3076 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
3077 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
3078 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
3079 mb[3] != PROD_ID_3) {
3080 ql_log(ql_log_warn, vha, 0x0062,
3081 "Wrong product ID = 0x%x,0x%x,0x%x.\n",
3082 mb[1], mb[2], mb[3]);
3083
3084 goto chip_diag_failed;
3085 }
3086 ha->product_id[0] = mb[1];
3087 ha->product_id[1] = mb[2];
3088 ha->product_id[2] = mb[3];
3089 ha->product_id[3] = mb[4];
3090
3091 /* Adjust fw RISC transfer size */
3092 if (req->length > 1024)
3093 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
3094 else
3095 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
3096 req->length;
3097
3098 if (IS_QLA2200(ha) &&
3099 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
3100 /* Limit firmware transfer size with a 2200A */
3101 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
3102
3103 ha->device_type |= DT_ISP2200A;
3104 ha->fw_transfer_size = 128;
3105 }
3106
3107 /* Wrap Incoming Mailboxes Test. */
3108 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3109
3110 ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
3111 rval = qla2x00_mbx_reg_test(vha);
3112 if (rval)
3113 ql_log(ql_log_warn, vha, 0x0080,
3114 "Failed mailbox send register test.\n");
3115 else
3116 /* Flag a successful rval */
3117 rval = QLA_SUCCESS;
3118 spin_lock_irqsave(&ha->hardware_lock, flags);
3119
3120 chip_diag_failed:
3121 if (rval)
3122 ql_log(ql_log_info, vha, 0x0081,
3123 "Chip diagnostics **** FAILED ****.\n");
3124
3125 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3126
3127 return (rval);
3128 }
3129
3130 /**
3131 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
3132 * @vha: HA context
3133 *
3134 * Returns 0 on success.
3135 */
3136 int
3137 qla24xx_chip_diag(scsi_qla_host_t *vha)
3138 {
3139 int rval;
3140 struct qla_hw_data *ha = vha->hw;
3141 struct req_que *req = ha->req_q_map[0];
3142
3143 if (IS_P3P_TYPE(ha))
3144 return QLA_SUCCESS;
3145
3146 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
3147
3148 rval = qla2x00_mbx_reg_test(vha);
3149 if (rval) {
3150 ql_log(ql_log_warn, vha, 0x0082,
3151 "Failed mailbox send register test.\n");
3152 } else {
3153 /* Flag a successful rval */
3154 rval = QLA_SUCCESS;
3155 }
3156
3157 return rval;
3158 }
3159
3160 static void
3161 qla2x00_init_fce_trace(scsi_qla_host_t *vha)
3162 {
3163 int rval;
3164 dma_addr_t tc_dma;
3165 void *tc;
3166 struct qla_hw_data *ha = vha->hw;
3167
3168 if (!IS_FWI2_CAPABLE(ha))
3169 return;
3170
3171 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3172 !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3173 return;
3174
3175 if (ha->fce) {
3176 ql_dbg(ql_dbg_init, vha, 0x00bd,
3177 "%s: FCE Mem is already allocated.\n",
3178 __func__);
3179 return;
3180 }
3181
3182 /* Allocate memory for Fibre Channel Event Buffer. */
3183 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
3184 GFP_KERNEL);
3185 if (!tc) {
3186 ql_log(ql_log_warn, vha, 0x00be,
3187 "Unable to allocate (%d KB) for FCE.\n",
3188 FCE_SIZE / 1024);
3189 return;
3190 }
3191
3192 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
3193 ha->fce_mb, &ha->fce_bufs);
3194 if (rval) {
3195 ql_log(ql_log_warn, vha, 0x00bf,
3196 "Unable to initialize FCE (%d).\n", rval);
3197 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, tc_dma);
3198 return;
3199 }
3200
3201 ql_dbg(ql_dbg_init, vha, 0x00c0,
3202 "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
3203
3204 ha->flags.fce_enabled = 1;
3205 ha->fce_dma = tc_dma;
3206 ha->fce = tc;
3207 }
3208
3209 static void
3210 qla2x00_init_eft_trace(scsi_qla_host_t *vha)
3211 {
3212 int rval;
3213 dma_addr_t tc_dma;
3214 void *tc;
3215 struct qla_hw_data *ha = vha->hw;
3216
3217 if (!IS_FWI2_CAPABLE(ha))
3218 return;
3219
3220 if (ha->eft) {
3221 ql_dbg(ql_dbg_init, vha, 0x00bd,
3222 "%s: EFT Mem is already allocated.\n",
3223 __func__);
3224 return;
3225 }
3226
3227 /* Allocate memory for Extended Trace Buffer. */
3228 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
3229 GFP_KERNEL);
3230 if (!tc) {
3231 ql_log(ql_log_warn, vha, 0x00c1,
3232 "Unable to allocate (%d KB) for EFT.\n",
3233 EFT_SIZE / 1024);
3234 return;
3235 }
3236
3237 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
3238 if (rval) {
3239 ql_log(ql_log_warn, vha, 0x00c2,
3240 "Unable to initialize EFT (%d).\n", rval);
3241 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, tc_dma);
3242 return;
3243 }
3244
3245 ql_dbg(ql_dbg_init, vha, 0x00c3,
3246 "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3247
3248 ha->eft_dma = tc_dma;
3249 ha->eft = tc;
3250 }
3251
3252 static void
3253 qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
3254 {
3255 qla2x00_init_fce_trace(vha);
3256 qla2x00_init_eft_trace(vha);
3257 }
3258
3259 void
3260 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
3261 {
3262 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
3263 eft_size, fce_size, mq_size;
3264 struct qla_hw_data *ha = vha->hw;
3265 struct req_que *req = ha->req_q_map[0];
3266 struct rsp_que *rsp = ha->rsp_q_map[0];
3267 struct qla2xxx_fw_dump *fw_dump;
3268
3269 dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
3270 req_q_size = rsp_q_size = 0;
3271
3272 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3273 fixed_size = sizeof(struct qla2100_fw_dump);
3274 } else if (IS_QLA23XX(ha)) {
3275 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
3276 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
3277 sizeof(uint16_t);
3278 } else if (IS_FWI2_CAPABLE(ha)) {
3279 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
3280 fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
3281 else if (IS_QLA81XX(ha))
3282 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
3283 else if (IS_QLA25XX(ha))
3284 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
3285 else
3286 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
3287
3288 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
3289 sizeof(uint32_t);
3290 if (ha->mqenable) {
3291 if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha) &&
3292 !IS_QLA28XX(ha))
3293 mq_size = sizeof(struct qla2xxx_mq_chain);
3294 /*
3295 * Allocate maximum buffer size for all queues - Q0.
3296 * Resizing must be done at end-of-dump processing.
3297 */
3298 mq_size += (ha->max_req_queues - 1) *
3299 (req->length * sizeof(request_t));
3300 mq_size += (ha->max_rsp_queues - 1) *
3301 (rsp->length * sizeof(response_t));
3302 }
3303 if (ha->tgt.atio_ring)
3304 mq_size += ha->tgt.atio_q_length * sizeof(request_t);
3305
3306 qla2x00_init_fce_trace(vha);
3307 if (ha->fce)
3308 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
3309 qla2x00_init_eft_trace(vha);
3310 if (ha->eft)
3311 eft_size = EFT_SIZE;
3312 }
3313
3314 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3315 struct fwdt *fwdt = ha->fwdt;
3316 uint j;
3317
3318 for (j = 0; j < 2; j++, fwdt++) {
3319 if (!fwdt->template) {
3320 ql_dbg(ql_dbg_init, vha, 0x00ba,
3321 "-> fwdt%u no template\n", j);
3322 continue;
3323 }
3324 ql_dbg(ql_dbg_init, vha, 0x00fa,
3325 "-> fwdt%u calculating fwdump size...\n", j);
3326 fwdt->dump_size = qla27xx_fwdt_calculate_dump_size(
3327 vha, fwdt->template);
3328 ql_dbg(ql_dbg_init, vha, 0x00fa,
3329 "-> fwdt%u calculated fwdump size = %#lx bytes\n",
3330 j, fwdt->dump_size);
3331 dump_size += fwdt->dump_size;
3332 }
3333 /* Add space for spare MPI fw dump. */
3334 dump_size += ha->fwdt[1].dump_size;
3335 } else {
3336 req_q_size = req->length * sizeof(request_t);
3337 rsp_q_size = rsp->length * sizeof(response_t);
3338 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
3339 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size
3340 + eft_size;
3341 ha->chain_offset = dump_size;
3342 dump_size += mq_size + fce_size;
3343 if (ha->exchoffld_buf)
3344 dump_size += sizeof(struct qla2xxx_offld_chain) +
3345 ha->exchoffld_size;
3346 if (ha->exlogin_buf)
3347 dump_size += sizeof(struct qla2xxx_offld_chain) +
3348 ha->exlogin_size;
3349 }
3350
3351 if (!ha->fw_dump_len || dump_size > ha->fw_dump_alloc_len) {
3352
3353 ql_dbg(ql_dbg_init, vha, 0x00c5,
3354 "%s dump_size %d fw_dump_len %d fw_dump_alloc_len %d\n",
3355 __func__, dump_size, ha->fw_dump_len,
3356 ha->fw_dump_alloc_len);
3357
3358 fw_dump = vmalloc(dump_size);
3359 if (!fw_dump) {
3360 ql_log(ql_log_warn, vha, 0x00c4,
3361 "Unable to allocate (%d KB) for firmware dump.\n",
3362 dump_size / 1024);
3363 } else {
3364 mutex_lock(&ha->optrom_mutex);
3365 if (ha->fw_dumped) {
3366 memcpy(fw_dump, ha->fw_dump, ha->fw_dump_len);
3367 vfree(ha->fw_dump);
3368 ha->fw_dump = fw_dump;
3369 ha->fw_dump_alloc_len = dump_size;
3370 ql_dbg(ql_dbg_init, vha, 0x00c5,
3371 "Re-Allocated (%d KB) and save firmware dump.\n",
3372 dump_size / 1024);
3373 } else {
3374 if (ha->fw_dump)
3375 vfree(ha->fw_dump);
3376 ha->fw_dump = fw_dump;
3377
3378 ha->fw_dump_len = ha->fw_dump_alloc_len =
3379 dump_size;
3380 ql_dbg(ql_dbg_init, vha, 0x00c5,
3381 "Allocated (%d KB) for firmware dump.\n",
3382 dump_size / 1024);
3383
3384 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3385 ha->mpi_fw_dump = (char *)fw_dump +
3386 ha->fwdt[1].dump_size;
3387 mutex_unlock(&ha->optrom_mutex);
3388 return;
3389 }
3390
3391 ha->fw_dump->signature[0] = 'Q';
3392 ha->fw_dump->signature[1] = 'L';
3393 ha->fw_dump->signature[2] = 'G';
3394 ha->fw_dump->signature[3] = 'C';
3395 ha->fw_dump->version = htonl(1);
3396
3397 ha->fw_dump->fixed_size = htonl(fixed_size);
3398 ha->fw_dump->mem_size = htonl(mem_size);
3399 ha->fw_dump->req_q_size = htonl(req_q_size);
3400 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3401
3402 ha->fw_dump->eft_size = htonl(eft_size);
3403 ha->fw_dump->eft_addr_l =
3404 htonl(LSD(ha->eft_dma));
3405 ha->fw_dump->eft_addr_h =
3406 htonl(MSD(ha->eft_dma));
3407
3408 ha->fw_dump->header_size =
3409 htonl(offsetof
3410 (struct qla2xxx_fw_dump, isp));
3411 }
3412 mutex_unlock(&ha->optrom_mutex);
3413 }
3414 }
3415 }
3416
3417 static int
3418 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3419 {
3420 #define MPS_MASK 0xe0
3421 int rval;
3422 uint16_t dc;
3423 uint32_t dw;
3424
3425 if (!IS_QLA81XX(vha->hw))
3426 return QLA_SUCCESS;
3427
3428 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3429 if (rval != QLA_SUCCESS) {
3430 ql_log(ql_log_warn, vha, 0x0105,
3431 "Unable to acquire semaphore.\n");
3432 goto done;
3433 }
3434
3435 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3436 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3437 if (rval != QLA_SUCCESS) {
3438 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3439 goto done_release;
3440 }
3441
3442 dc &= MPS_MASK;
3443 if (dc == (dw & MPS_MASK))
3444 goto done_release;
3445
3446 dw &= ~MPS_MASK;
3447 dw |= dc;
3448 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3449 if (rval != QLA_SUCCESS) {
3450 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3451 }
3452
3453 done_release:
3454 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3455 if (rval != QLA_SUCCESS) {
3456 ql_log(ql_log_warn, vha, 0x006d,
3457 "Unable to release semaphore.\n");
3458 }
3459
3460 done:
3461 return rval;
3462 }
3463
3464 int
3465 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3466 {
3467 /* Don't try to reallocate the array */
3468 if (req->outstanding_cmds)
3469 return QLA_SUCCESS;
3470
3471 if (!IS_FWI2_CAPABLE(ha))
3472 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
3473 else {
3474 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
3475 req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3476 else
3477 req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3478 }
3479
3480 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3481 sizeof(srb_t *),
3482 GFP_KERNEL);
3483
3484 if (!req->outstanding_cmds) {
3485 /*
3486 * Try to allocate a minimal size just so we can get through
3487 * initialization.
3488 */
3489 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3490 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3491 sizeof(srb_t *),
3492 GFP_KERNEL);
3493
3494 if (!req->outstanding_cmds) {
3495 ql_log(ql_log_fatal, NULL, 0x0126,
3496 "Failed to allocate memory for "
3497 "outstanding_cmds for req_que %p.\n", req);
3498 req->num_outstanding_cmds = 0;
3499 return QLA_FUNCTION_FAILED;
3500 }
3501 }
3502
3503 return QLA_SUCCESS;
3504 }
3505
3506 #define PRINT_FIELD(_field, _flag, _str) { \
3507 if (a0->_field & _flag) {\
3508 if (p) {\
3509 strcat(ptr, "|");\
3510 ptr++;\
3511 leftover--;\
3512 } \
3513 len = snprintf(ptr, leftover, "%s", _str); \
3514 p = 1;\
3515 leftover -= len;\
3516 ptr += len; \
3517 } \
3518 }
3519
3520 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
3521 {
3522 #define STR_LEN 64
3523 struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
3524 u8 str[STR_LEN], *ptr, p;
3525 int leftover, len;
3526
3527 memset(str, 0, STR_LEN);
3528 snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
3529 ql_dbg(ql_dbg_init, vha, 0x015a,
3530 "SFP MFG Name: %s\n", str);
3531
3532 memset(str, 0, STR_LEN);
3533 snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
3534 ql_dbg(ql_dbg_init, vha, 0x015c,
3535 "SFP Part Name: %s\n", str);
3536
3537 /* media */
3538 memset(str, 0, STR_LEN);
3539 ptr = str;
3540 leftover = STR_LEN;
3541 p = len = 0;
3542 PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
3543 PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
3544 PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
3545 PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
3546 PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
3547 PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
3548 PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
3549 ql_dbg(ql_dbg_init, vha, 0x0160,
3550 "SFP Media: %s\n", str);
3551
3552 /* link length */
3553 memset(str, 0, STR_LEN);
3554 ptr = str;
3555 leftover = STR_LEN;
3556 p = len = 0;
3557 PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
3558 PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
3559 PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
3560 PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
3561 PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
3562 ql_dbg(ql_dbg_init, vha, 0x0196,
3563 "SFP Link Length: %s\n", str);
3564
3565 memset(str, 0, STR_LEN);
3566 ptr = str;
3567 leftover = STR_LEN;
3568 p = len = 0;
3569 PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
3570 PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
3571 PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
3572 PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
3573 PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
3574 ql_dbg(ql_dbg_init, vha, 0x016e,
3575 "SFP FC Link Tech: %s\n", str);
3576
3577 if (a0->length_km)
3578 ql_dbg(ql_dbg_init, vha, 0x016f,
3579 "SFP Distant: %d km\n", a0->length_km);
3580 if (a0->length_100m)
3581 ql_dbg(ql_dbg_init, vha, 0x0170,
3582 "SFP Distant: %d m\n", a0->length_100m*100);
3583 if (a0->length_50um_10m)
3584 ql_dbg(ql_dbg_init, vha, 0x0189,
3585 "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
3586 if (a0->length_62um_10m)
3587 ql_dbg(ql_dbg_init, vha, 0x018a,
3588 "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
3589 if (a0->length_om4_10m)
3590 ql_dbg(ql_dbg_init, vha, 0x0194,
3591 "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
3592 if (a0->length_om3_10m)
3593 ql_dbg(ql_dbg_init, vha, 0x0195,
3594 "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
3595 }
3596
3597
3598 /**
3599 * qla24xx_detect_sfp()
3600 *
3601 * @vha: adapter state pointer.
3602 *
3603 * @return
3604 * 0 -- Configure firmware to use short-range settings -- normal
3605 * buffer-to-buffer credits.
3606 *
3607 * 1 -- Configure firmware to use long-range settings -- extra
3608 * buffer-to-buffer credits should be allocated with
3609 * ha->lr_distance containing distance settings from NVRAM or SFP
3610 * (if supported).
3611 */
3612 int
3613 qla24xx_detect_sfp(scsi_qla_host_t *vha)
3614 {
3615 int rc, used_nvram;
3616 struct sff_8247_a0 *a;
3617 struct qla_hw_data *ha = vha->hw;
3618 struct nvram_81xx *nv = ha->nvram;
3619 #define LR_DISTANCE_UNKNOWN 2
3620 static const char * const types[] = { "Short", "Long" };
3621 static const char * const lengths[] = { "(10km)", "(5km)", "" };
3622 u8 ll = 0;
3623
3624 /* Seed with NVRAM settings. */
3625 used_nvram = 0;
3626 ha->flags.lr_detected = 0;
3627 if (IS_BPM_RANGE_CAPABLE(ha) &&
3628 (nv->enhanced_features & NEF_LR_DIST_ENABLE)) {
3629 used_nvram = 1;
3630 ha->flags.lr_detected = 1;
3631 ha->lr_distance =
3632 (nv->enhanced_features >> LR_DIST_NV_POS)
3633 & LR_DIST_NV_MASK;
3634 }
3635
3636 if (!IS_BPM_ENABLED(vha))
3637 goto out;
3638 /* Determine SR/LR capabilities of SFP/Transceiver. */
3639 rc = qla2x00_read_sfp_dev(vha, NULL, 0);
3640 if (rc)
3641 goto out;
3642
3643 used_nvram = 0;
3644 a = (struct sff_8247_a0 *)vha->hw->sfp_data;
3645 qla2xxx_print_sfp_info(vha);
3646
3647 ha->flags.lr_detected = 0;
3648 ll = a->fc_ll_cc7;
3649 if (ll & FC_LL_VL || ll & FC_LL_L) {
3650 /* Long range, track length. */
3651 ha->flags.lr_detected = 1;
3652
3653 if (a->length_km > 5 || a->length_100m > 50)
3654 ha->lr_distance = LR_DISTANCE_10K;
3655 else
3656 ha->lr_distance = LR_DISTANCE_5K;
3657 }
3658
3659 out:
3660 ql_dbg(ql_dbg_async, vha, 0x507b,
3661 "SFP detect: %s-Range SFP %s (nvr=%x ll=%x lr=%x lrd=%x).\n",
3662 types[ha->flags.lr_detected],
3663 ha->flags.lr_detected ? lengths[ha->lr_distance] :
3664 lengths[LR_DISTANCE_UNKNOWN],
3665 used_nvram, ll, ha->flags.lr_detected, ha->lr_distance);
3666 return ha->flags.lr_detected;
3667 }
3668
3669 void qla_init_iocb_limit(scsi_qla_host_t *vha)
3670 {
3671 u16 i, num_qps;
3672 u32 limit;
3673 struct qla_hw_data *ha = vha->hw;
3674
3675 num_qps = ha->num_qpairs + 1;
3676 limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100;
3677
3678 ha->base_qpair->fwres.iocbs_total = ha->orig_fw_iocb_count;
3679 ha->base_qpair->fwres.iocbs_limit = limit;
3680 ha->base_qpair->fwres.iocbs_qp_limit = limit / num_qps;
3681 ha->base_qpair->fwres.iocbs_used = 0;
3682 for (i = 0; i < ha->max_qpairs; i++) {
3683 if (ha->queue_pair_map[i]) {
3684 ha->queue_pair_map[i]->fwres.iocbs_total =
3685 ha->orig_fw_iocb_count;
3686 ha->queue_pair_map[i]->fwres.iocbs_limit = limit;
3687 ha->queue_pair_map[i]->fwres.iocbs_qp_limit =
3688 limit / num_qps;
3689 ha->queue_pair_map[i]->fwres.iocbs_used = 0;
3690 }
3691 }
3692 }
3693
3694 /**
3695 * qla2x00_setup_chip() - Load and start RISC firmware.
3696 * @vha: HA context
3697 *
3698 * Returns 0 on success.
3699 */
3700 static int
3701 qla2x00_setup_chip(scsi_qla_host_t *vha)
3702 {
3703 int rval;
3704 uint32_t srisc_address = 0;
3705 struct qla_hw_data *ha = vha->hw;
3706 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3707 unsigned long flags;
3708 uint16_t fw_major_version;
3709 int done_once = 0;
3710
3711 if (IS_P3P_TYPE(ha)) {
3712 rval = ha->isp_ops->load_risc(vha, &srisc_address);
3713 if (rval == QLA_SUCCESS) {
3714 qla2x00_stop_firmware(vha);
3715 goto enable_82xx_npiv;
3716 } else
3717 goto failed;
3718 }
3719
3720 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3721 /* Disable SRAM, Instruction RAM and GP RAM parity. */
3722 spin_lock_irqsave(&ha->hardware_lock, flags);
3723 wrt_reg_word(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
3724 rd_reg_word(&reg->hccr);
3725 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3726 }
3727
3728 qla81xx_mpi_sync(vha);
3729
3730 execute_fw_with_lr:
3731 /* Load firmware sequences */
3732 rval = ha->isp_ops->load_risc(vha, &srisc_address);
3733 if (rval == QLA_SUCCESS) {
3734 ql_dbg(ql_dbg_init, vha, 0x00c9,
3735 "Verifying Checksum of loaded RISC code.\n");
3736
3737 rval = qla2x00_verify_checksum(vha, srisc_address);
3738 if (rval == QLA_SUCCESS) {
3739 /* Start firmware execution. */
3740 ql_dbg(ql_dbg_init, vha, 0x00ca,
3741 "Starting firmware.\n");
3742
3743 if (ql2xexlogins)
3744 ha->flags.exlogins_enabled = 1;
3745
3746 if (qla_is_exch_offld_enabled(vha))
3747 ha->flags.exchoffld_enabled = 1;
3748
3749 rval = qla2x00_execute_fw(vha, srisc_address);
3750 /* Retrieve firmware information. */
3751 if (rval == QLA_SUCCESS) {
3752 /* Enable BPM support? */
3753 if (!done_once++ && qla24xx_detect_sfp(vha)) {
3754 ql_dbg(ql_dbg_init, vha, 0x00ca,
3755 "Re-starting firmware -- BPM.\n");
3756 /* Best-effort - re-init. */
3757 ha->isp_ops->reset_chip(vha);
3758 ha->isp_ops->chip_diag(vha);
3759 goto execute_fw_with_lr;
3760 }
3761
3762 if (IS_ZIO_THRESHOLD_CAPABLE(ha))
3763 qla27xx_set_zio_threshold(vha,
3764 ha->last_zio_threshold);
3765
3766 rval = qla2x00_set_exlogins_buffer(vha);
3767 if (rval != QLA_SUCCESS)
3768 goto failed;
3769
3770 rval = qla2x00_set_exchoffld_buffer(vha);
3771 if (rval != QLA_SUCCESS)
3772 goto failed;
3773
3774 enable_82xx_npiv:
3775 fw_major_version = ha->fw_major_version;
3776 if (IS_P3P_TYPE(ha))
3777 qla82xx_check_md_needed(vha);
3778 else
3779 rval = qla2x00_get_fw_version(vha);
3780 if (rval != QLA_SUCCESS)
3781 goto failed;
3782 ha->flags.npiv_supported = 0;
3783 if (IS_QLA2XXX_MIDTYPE(ha) &&
3784 (ha->fw_attributes & BIT_2)) {
3785 ha->flags.npiv_supported = 1;
3786 if ((!ha->max_npiv_vports) ||
3787 ((ha->max_npiv_vports + 1) %
3788 MIN_MULTI_ID_FABRIC))
3789 ha->max_npiv_vports =
3790 MIN_MULTI_ID_FABRIC - 1;
3791 }
3792 qla2x00_get_resource_cnts(vha);
3793 qla_init_iocb_limit(vha);
3794
3795 /*
3796 * Allocate the array of outstanding commands
3797 * now that we know the firmware resources.
3798 */
3799 rval = qla2x00_alloc_outstanding_cmds(ha,
3800 vha->req);
3801 if (rval != QLA_SUCCESS)
3802 goto failed;
3803
3804 if (!fw_major_version && !(IS_P3P_TYPE(ha)))
3805 qla2x00_alloc_offload_mem(vha);
3806
3807 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
3808 qla2x00_alloc_fw_dump(vha);
3809
3810 } else {
3811 goto failed;
3812 }
3813 } else {
3814 ql_log(ql_log_fatal, vha, 0x00cd,
3815 "ISP Firmware failed checksum.\n");
3816 goto failed;
3817 }
3818
3819 /* Enable PUREX PASSTHRU */
3820 if (ql2xrdpenable || ha->flags.scm_supported_f)
3821 qla25xx_set_els_cmds_supported(vha);
3822 } else
3823 goto failed;
3824
3825 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3826 /* Enable proper parity. */
3827 spin_lock_irqsave(&ha->hardware_lock, flags);
3828 if (IS_QLA2300(ha))
3829 /* SRAM parity */
3830 wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
3831 else
3832 /* SRAM, Instruction RAM and GP RAM parity */
3833 wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
3834 rd_reg_word(&reg->hccr);
3835 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3836 }
3837
3838 if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
3839 ha->flags.fac_supported = 1;
3840 else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
3841 uint32_t size;
3842
3843 rval = qla81xx_fac_get_sector_size(vha, &size);
3844 if (rval == QLA_SUCCESS) {
3845 ha->flags.fac_supported = 1;
3846 ha->fdt_block_size = size << 2;
3847 } else {
3848 ql_log(ql_log_warn, vha, 0x00ce,
3849 "Unsupported FAC firmware (%d.%02d.%02d).\n",
3850 ha->fw_major_version, ha->fw_minor_version,
3851 ha->fw_subminor_version);
3852
3853 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3854 IS_QLA28XX(ha)) {
3855 ha->flags.fac_supported = 0;
3856 rval = QLA_SUCCESS;
3857 }
3858 }
3859 }
3860 failed:
3861 if (rval) {
3862 ql_log(ql_log_fatal, vha, 0x00cf,
3863 "Setup chip ****FAILED****.\n");
3864 }
3865
3866 return (rval);
3867 }
3868
3869 /**
3870 * qla2x00_init_response_q_entries() - Initializes response queue entries.
3871 * @rsp: response queue
3872 *
3873 * Beginning of request ring has initialization control block already built
3874 * by nvram config routine.
3875 *
3876 * Returns 0 on success.
3877 */
3878 void
3879 qla2x00_init_response_q_entries(struct rsp_que *rsp)
3880 {
3881 uint16_t cnt;
3882 response_t *pkt;
3883
3884 rsp->ring_ptr = rsp->ring;
3885 rsp->ring_index = 0;
3886 rsp->status_srb = NULL;
3887 pkt = rsp->ring_ptr;
3888 for (cnt = 0; cnt < rsp->length; cnt++) {
3889 pkt->signature = RESPONSE_PROCESSED;
3890 pkt++;
3891 }
3892 }
3893
3894 /**
3895 * qla2x00_update_fw_options() - Read and process firmware options.
3896 * @vha: HA context
3897 *
3898 * Returns 0 on success.
3899 */
3900 void
3901 qla2x00_update_fw_options(scsi_qla_host_t *vha)
3902 {
3903 uint16_t swing, emphasis, tx_sens, rx_sens;
3904 struct qla_hw_data *ha = vha->hw;
3905
3906 memset(ha->fw_options, 0, sizeof(ha->fw_options));
3907 qla2x00_get_fw_options(vha, ha->fw_options);
3908
3909 if (IS_QLA2100(ha) || IS_QLA2200(ha))
3910 return;
3911
3912 /* Serial Link options. */
3913 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
3914 "Serial link options.\n");
3915 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
3916 ha->fw_seriallink_options, sizeof(ha->fw_seriallink_options));
3917
3918 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
3919 if (ha->fw_seriallink_options[3] & BIT_2) {
3920 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
3921
3922 /* 1G settings */
3923 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
3924 emphasis = (ha->fw_seriallink_options[2] &
3925 (BIT_4 | BIT_3)) >> 3;
3926 tx_sens = ha->fw_seriallink_options[0] &
3927 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3928 rx_sens = (ha->fw_seriallink_options[0] &
3929 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3930 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
3931 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3932 if (rx_sens == 0x0)
3933 rx_sens = 0x3;
3934 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
3935 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3936 ha->fw_options[10] |= BIT_5 |
3937 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3938 (tx_sens & (BIT_1 | BIT_0));
3939
3940 /* 2G settings */
3941 swing = (ha->fw_seriallink_options[2] &
3942 (BIT_7 | BIT_6 | BIT_5)) >> 5;
3943 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
3944 tx_sens = ha->fw_seriallink_options[1] &
3945 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3946 rx_sens = (ha->fw_seriallink_options[1] &
3947 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3948 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
3949 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3950 if (rx_sens == 0x0)
3951 rx_sens = 0x3;
3952 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
3953 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3954 ha->fw_options[11] |= BIT_5 |
3955 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3956 (tx_sens & (BIT_1 | BIT_0));
3957 }
3958
3959 /* FCP2 options. */
3960 /* Return command IOCBs without waiting for an ABTS to complete. */
3961 ha->fw_options[3] |= BIT_13;
3962
3963 /* LED scheme. */
3964 if (ha->flags.enable_led_scheme)
3965 ha->fw_options[2] |= BIT_12;
3966
3967 /* Detect ISP6312. */
3968 if (IS_QLA6312(ha))
3969 ha->fw_options[2] |= BIT_13;
3970
3971 /* Set Retry FLOGI in case of P2P connection */
3972 if (ha->operating_mode == P2P) {
3973 ha->fw_options[2] |= BIT_3;
3974 ql_dbg(ql_dbg_disc, vha, 0x2100,
3975 "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3976 __func__, ha->fw_options[2]);
3977 }
3978
3979 /* Update firmware options. */
3980 qla2x00_set_fw_options(vha, ha->fw_options);
3981 }
3982
3983 void
3984 qla24xx_update_fw_options(scsi_qla_host_t *vha)
3985 {
3986 int rval;
3987 struct qla_hw_data *ha = vha->hw;
3988
3989 if (IS_P3P_TYPE(ha))
3990 return;
3991
3992 /* Hold status IOCBs until ABTS response received. */
3993 if (ql2xfwholdabts)
3994 ha->fw_options[3] |= BIT_12;
3995
3996 /* Set Retry FLOGI in case of P2P connection */
3997 if (ha->operating_mode == P2P) {
3998 ha->fw_options[2] |= BIT_3;
3999 ql_dbg(ql_dbg_disc, vha, 0x2101,
4000 "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
4001 __func__, ha->fw_options[2]);
4002 }
4003
4004 /* Move PUREX, ABTS RX & RIDA to ATIOQ */
4005 if (ql2xmvasynctoatio &&
4006 (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
4007 if (qla_tgt_mode_enabled(vha) ||
4008 qla_dual_mode_enabled(vha))
4009 ha->fw_options[2] |= BIT_11;
4010 else
4011 ha->fw_options[2] &= ~BIT_11;
4012 }
4013
4014 if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4015 IS_QLA28XX(ha)) {
4016 /*
4017 * Tell FW to track each exchange to prevent
4018 * driver from using stale exchange.
4019 */
4020 if (qla_tgt_mode_enabled(vha) ||
4021 qla_dual_mode_enabled(vha))
4022 ha->fw_options[2] |= BIT_4;
4023 else
4024 ha->fw_options[2] &= ~BIT_4;
4025
4026 /* Reserve 1/2 of emergency exchanges for ELS.*/
4027 if (qla2xuseresexchforels)
4028 ha->fw_options[2] |= BIT_8;
4029 else
4030 ha->fw_options[2] &= ~BIT_8;
4031 }
4032
4033 if (ql2xrdpenable || ha->flags.scm_supported_f)
4034 ha->fw_options[1] |= ADD_FO1_ENABLE_PUREX_IOCB;
4035
4036 /* Enable Async 8130/8131 events -- transceiver insertion/removal */
4037 if (IS_BPM_RANGE_CAPABLE(ha))
4038 ha->fw_options[3] |= BIT_10;
4039
4040 ql_dbg(ql_dbg_init, vha, 0x00e8,
4041 "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
4042 __func__, ha->fw_options[1], ha->fw_options[2],
4043 ha->fw_options[3], vha->host->active_mode);
4044
4045 if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
4046 qla2x00_set_fw_options(vha, ha->fw_options);
4047
4048 /* Update Serial Link options. */
4049 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
4050 return;
4051
4052 rval = qla2x00_set_serdes_params(vha,
4053 le16_to_cpu(ha->fw_seriallink_options24[1]),
4054 le16_to_cpu(ha->fw_seriallink_options24[2]),
4055 le16_to_cpu(ha->fw_seriallink_options24[3]));
4056 if (rval != QLA_SUCCESS) {
4057 ql_log(ql_log_warn, vha, 0x0104,
4058 "Unable to update Serial Link options (%x).\n", rval);
4059 }
4060 }
4061
4062 void
4063 qla2x00_config_rings(struct scsi_qla_host *vha)
4064 {
4065 struct qla_hw_data *ha = vha->hw;
4066 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4067 struct req_que *req = ha->req_q_map[0];
4068 struct rsp_que *rsp = ha->rsp_q_map[0];
4069
4070 /* Setup ring parameters in initialization control block. */
4071 ha->init_cb->request_q_outpointer = cpu_to_le16(0);
4072 ha->init_cb->response_q_inpointer = cpu_to_le16(0);
4073 ha->init_cb->request_q_length = cpu_to_le16(req->length);
4074 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
4075 put_unaligned_le64(req->dma, &ha->init_cb->request_q_address);
4076 put_unaligned_le64(rsp->dma, &ha->init_cb->response_q_address);
4077
4078 wrt_reg_word(ISP_REQ_Q_IN(ha, reg), 0);
4079 wrt_reg_word(ISP_REQ_Q_OUT(ha, reg), 0);
4080 wrt_reg_word(ISP_RSP_Q_IN(ha, reg), 0);
4081 wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), 0);
4082 rd_reg_word(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
4083 }
4084
4085 void
4086 qla24xx_config_rings(struct scsi_qla_host *vha)
4087 {
4088 struct qla_hw_data *ha = vha->hw;
4089 device_reg_t *reg = ISP_QUE_REG(ha, 0);
4090 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
4091 struct qla_msix_entry *msix;
4092 struct init_cb_24xx *icb;
4093 uint16_t rid = 0;
4094 struct req_que *req = ha->req_q_map[0];
4095 struct rsp_que *rsp = ha->rsp_q_map[0];
4096
4097 /* Setup ring parameters in initialization control block. */
4098 icb = (struct init_cb_24xx *)ha->init_cb;
4099 icb->request_q_outpointer = cpu_to_le16(0);
4100 icb->response_q_inpointer = cpu_to_le16(0);
4101 icb->request_q_length = cpu_to_le16(req->length);
4102 icb->response_q_length = cpu_to_le16(rsp->length);
4103 put_unaligned_le64(req->dma, &icb->request_q_address);
4104 put_unaligned_le64(rsp->dma, &icb->response_q_address);
4105
4106 /* Setup ATIO queue dma pointers for target mode */
4107 icb->atio_q_inpointer = cpu_to_le16(0);
4108 icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
4109 put_unaligned_le64(ha->tgt.atio_dma, &icb->atio_q_address);
4110
4111 if (IS_SHADOW_REG_CAPABLE(ha))
4112 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
4113
4114 if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4115 IS_QLA28XX(ha)) {
4116 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
4117 icb->rid = cpu_to_le16(rid);
4118 if (ha->flags.msix_enabled) {
4119 msix = &ha->msix_entries[1];
4120 ql_dbg(ql_dbg_init, vha, 0x0019,
4121 "Registering vector 0x%x for base que.\n",
4122 msix->entry);
4123 icb->msix = cpu_to_le16(msix->entry);
4124 }
4125 /* Use alternate PCI bus number */
4126 if (MSB(rid))
4127 icb->firmware_options_2 |= cpu_to_le32(BIT_19);
4128 /* Use alternate PCI devfn */
4129 if (LSB(rid))
4130 icb->firmware_options_2 |= cpu_to_le32(BIT_18);
4131
4132 /* Use Disable MSIX Handshake mode for capable adapters */
4133 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
4134 (ha->flags.msix_enabled)) {
4135 icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
4136 ha->flags.disable_msix_handshake = 1;
4137 ql_dbg(ql_dbg_init, vha, 0x00fe,
4138 "MSIX Handshake Disable Mode turned on.\n");
4139 } else {
4140 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
4141 }
4142 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
4143
4144 wrt_reg_dword(&reg->isp25mq.req_q_in, 0);
4145 wrt_reg_dword(&reg->isp25mq.req_q_out, 0);
4146 wrt_reg_dword(&reg->isp25mq.rsp_q_in, 0);
4147 wrt_reg_dword(&reg->isp25mq.rsp_q_out, 0);
4148 } else {
4149 wrt_reg_dword(&reg->isp24.req_q_in, 0);
4150 wrt_reg_dword(&reg->isp24.req_q_out, 0);
4151 wrt_reg_dword(&reg->isp24.rsp_q_in, 0);
4152 wrt_reg_dword(&reg->isp24.rsp_q_out, 0);
4153 }
4154
4155 qlt_24xx_config_rings(vha);
4156
4157 /* If the user has configured the speed, set it here */
4158 if (ha->set_data_rate) {
4159 ql_dbg(ql_dbg_init, vha, 0x00fd,
4160 "Speed set by user : %s Gbps \n",
4161 qla2x00_get_link_speed_str(ha, ha->set_data_rate));
4162 icb->firmware_options_3 = cpu_to_le32(ha->set_data_rate << 13);
4163 }
4164
4165 /* PCI posting */
4166 rd_reg_word(&ioreg->hccr);
4167 }
4168
4169 /**
4170 * qla2x00_init_rings() - Initializes firmware.
4171 * @vha: HA context
4172 *
4173 * Beginning of request ring has initialization control block already built
4174 * by nvram config routine.
4175 *
4176 * Returns 0 on success.
4177 */
4178 int
4179 qla2x00_init_rings(scsi_qla_host_t *vha)
4180 {
4181 int rval;
4182 unsigned long flags = 0;
4183 int cnt, que;
4184 struct qla_hw_data *ha = vha->hw;
4185 struct req_que *req;
4186 struct rsp_que *rsp;
4187 struct mid_init_cb_24xx *mid_init_cb =
4188 (struct mid_init_cb_24xx *) ha->init_cb;
4189
4190 spin_lock_irqsave(&ha->hardware_lock, flags);
4191
4192 /* Clear outstanding commands array. */
4193 for (que = 0; que < ha->max_req_queues; que++) {
4194 req = ha->req_q_map[que];
4195 if (!req || !test_bit(que, ha->req_qid_map))
4196 continue;
4197 req->out_ptr = (uint16_t *)(req->ring + req->length);
4198 *req->out_ptr = 0;
4199 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
4200 req->outstanding_cmds[cnt] = NULL;
4201
4202 req->current_outstanding_cmd = 1;
4203
4204 /* Initialize firmware. */
4205 req->ring_ptr = req->ring;
4206 req->ring_index = 0;
4207 req->cnt = req->length;
4208 }
4209
4210 for (que = 0; que < ha->max_rsp_queues; que++) {
4211 rsp = ha->rsp_q_map[que];
4212 if (!rsp || !test_bit(que, ha->rsp_qid_map))
4213 continue;
4214 rsp->in_ptr = (uint16_t *)(rsp->ring + rsp->length);
4215 *rsp->in_ptr = 0;
4216 /* Initialize response queue entries */
4217 if (IS_QLAFX00(ha))
4218 qlafx00_init_response_q_entries(rsp);
4219 else
4220 qla2x00_init_response_q_entries(rsp);
4221 }
4222
4223 ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
4224 ha->tgt.atio_ring_index = 0;
4225 /* Initialize ATIO queue entries */
4226 qlt_init_atio_q_entries(vha);
4227
4228 ha->isp_ops->config_rings(vha);
4229
4230 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4231
4232 ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
4233
4234 if (IS_QLAFX00(ha)) {
4235 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
4236 goto next_check;
4237 }
4238
4239 /* Update any ISP specific firmware options before initialization. */
4240 ha->isp_ops->update_fw_options(vha);
4241
4242 if (ha->flags.npiv_supported) {
4243 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
4244 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
4245 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
4246 }
4247
4248 if (IS_FWI2_CAPABLE(ha)) {
4249 mid_init_cb->options = cpu_to_le16(BIT_1);
4250 mid_init_cb->init_cb.execution_throttle =
4251 cpu_to_le16(ha->cur_fw_xcb_count);
4252 ha->flags.dport_enabled =
4253 (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4254 BIT_7) != 0;
4255 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
4256 (ha->flags.dport_enabled) ? "enabled" : "disabled");
4257 /* FA-WWPN Status */
4258 ha->flags.fawwpn_enabled =
4259 (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4260 BIT_6) != 0;
4261 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
4262 (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
4263 }
4264
4265 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
4266 next_check:
4267 if (rval) {
4268 ql_log(ql_log_fatal, vha, 0x00d2,
4269 "Init Firmware **** FAILED ****.\n");
4270 } else {
4271 ql_dbg(ql_dbg_init, vha, 0x00d3,
4272 "Init Firmware -- success.\n");
4273 QLA_FW_STARTED(ha);
4274 vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0;
4275 }
4276
4277 return (rval);
4278 }
4279
4280 /**
4281 * qla2x00_fw_ready() - Waits for firmware ready.
4282 * @vha: HA context
4283 *
4284 * Returns 0 on success.
4285 */
4286 static int
4287 qla2x00_fw_ready(scsi_qla_host_t *vha)
4288 {
4289 int rval;
4290 unsigned long wtime, mtime, cs84xx_time;
4291 uint16_t min_wait; /* Minimum wait time if loop is down */
4292 uint16_t wait_time; /* Wait time if loop is coming ready */
4293 uint16_t state[6];
4294 struct qla_hw_data *ha = vha->hw;
4295
4296 if (IS_QLAFX00(vha->hw))
4297 return qlafx00_fw_ready(vha);
4298
4299 rval = QLA_SUCCESS;
4300
4301 /* Time to wait for loop down */
4302 if (IS_P3P_TYPE(ha))
4303 min_wait = 30;
4304 else
4305 min_wait = 20;
4306
4307 /*
4308 * Firmware should take at most one RATOV to login, plus 5 seconds for
4309 * our own processing.
4310 */
4311 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
4312 wait_time = min_wait;
4313 }
4314
4315 /* Min wait time if loop down */
4316 mtime = jiffies + (min_wait * HZ);
4317
4318 /* wait time before firmware ready */
4319 wtime = jiffies + (wait_time * HZ);
4320
4321 /* Wait for ISP to finish LIP */
4322 if (!vha->flags.init_done)
4323 ql_log(ql_log_info, vha, 0x801e,
4324 "Waiting for LIP to complete.\n");
4325
4326 do {
4327 memset(state, -1, sizeof(state));
4328 rval = qla2x00_get_firmware_state(vha, state);
4329 if (rval == QLA_SUCCESS) {
4330 if (state[0] < FSTATE_LOSS_OF_SYNC) {
4331 vha->device_flags &= ~DFLG_NO_CABLE;
4332 }
4333 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
4334 ql_dbg(ql_dbg_taskm, vha, 0x801f,
4335 "fw_state=%x 84xx=%x.\n", state[0],
4336 state[2]);
4337 if ((state[2] & FSTATE_LOGGED_IN) &&
4338 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
4339 ql_dbg(ql_dbg_taskm, vha, 0x8028,
4340 "Sending verify iocb.\n");
4341
4342 cs84xx_time = jiffies;
4343 rval = qla84xx_init_chip(vha);
4344 if (rval != QLA_SUCCESS) {
4345 ql_log(ql_log_warn,
4346 vha, 0x8007,
4347 "Init chip failed.\n");
4348 break;
4349 }
4350
4351 /* Add time taken to initialize. */
4352 cs84xx_time = jiffies - cs84xx_time;
4353 wtime += cs84xx_time;
4354 mtime += cs84xx_time;
4355 ql_dbg(ql_dbg_taskm, vha, 0x8008,
4356 "Increasing wait time by %ld. "
4357 "New time %ld.\n", cs84xx_time,
4358 wtime);
4359 }
4360 } else if (state[0] == FSTATE_READY) {
4361 ql_dbg(ql_dbg_taskm, vha, 0x8037,
4362 "F/W Ready - OK.\n");
4363
4364 qla2x00_get_retry_cnt(vha, &ha->retry_count,
4365 &ha->login_timeout, &ha->r_a_tov);
4366
4367 rval = QLA_SUCCESS;
4368 break;
4369 }
4370
4371 rval = QLA_FUNCTION_FAILED;
4372
4373 if (atomic_read(&vha->loop_down_timer) &&
4374 state[0] != FSTATE_READY) {
4375 /* Loop down. Timeout on min_wait for states
4376 * other than Wait for Login.
4377 */
4378 if (time_after_eq(jiffies, mtime)) {
4379 ql_log(ql_log_info, vha, 0x8038,
4380 "Cable is unplugged...\n");
4381
4382 vha->device_flags |= DFLG_NO_CABLE;
4383 break;
4384 }
4385 }
4386 } else {
4387 /* Mailbox cmd failed. Timeout on min_wait. */
4388 if (time_after_eq(jiffies, mtime) ||
4389 ha->flags.isp82xx_fw_hung)
4390 break;
4391 }
4392
4393 if (time_after_eq(jiffies, wtime))
4394 break;
4395
4396 /* Delay for a while */
4397 msleep(500);
4398 } while (1);
4399
4400 ql_dbg(ql_dbg_taskm, vha, 0x803a,
4401 "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
4402 state[1], state[2], state[3], state[4], state[5], jiffies);
4403
4404 if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
4405 ql_log(ql_log_warn, vha, 0x803b,
4406 "Firmware ready **** FAILED ****.\n");
4407 }
4408
4409 return (rval);
4410 }
4411
4412 /*
4413 * qla2x00_configure_hba
4414 * Setup adapter context.
4415 *
4416 * Input:
4417 * ha = adapter state pointer.
4418 *
4419 * Returns:
4420 * 0 = success
4421 *
4422 * Context:
4423 * Kernel context.
4424 */
4425 static int
4426 qla2x00_configure_hba(scsi_qla_host_t *vha)
4427 {
4428 int rval;
4429 uint16_t loop_id;
4430 uint16_t topo;
4431 uint16_t sw_cap;
4432 uint8_t al_pa;
4433 uint8_t area;
4434 uint8_t domain;
4435 char connect_type[22];
4436 struct qla_hw_data *ha = vha->hw;
4437 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4438 port_id_t id;
4439 unsigned long flags;
4440
4441 /* Get host addresses. */
4442 rval = qla2x00_get_adapter_id(vha,
4443 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
4444 if (rval != QLA_SUCCESS) {
4445 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
4446 IS_CNA_CAPABLE(ha) ||
4447 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
4448 ql_dbg(ql_dbg_disc, vha, 0x2008,
4449 "Loop is in a transition state.\n");
4450 } else {
4451 ql_log(ql_log_warn, vha, 0x2009,
4452 "Unable to get host loop ID.\n");
4453 if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
4454 (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
4455 ql_log(ql_log_warn, vha, 0x1151,
4456 "Doing link init.\n");
4457 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
4458 return rval;
4459 }
4460 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4461 }
4462 return (rval);
4463 }
4464
4465 if (topo == 4) {
4466 ql_log(ql_log_info, vha, 0x200a,
4467 "Cannot get topology - retrying.\n");
4468 return (QLA_FUNCTION_FAILED);
4469 }
4470
4471 vha->loop_id = loop_id;
4472
4473 /* initialize */
4474 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4475 ha->operating_mode = LOOP;
4476 ha->switch_cap = 0;
4477
4478 switch (topo) {
4479 case 0:
4480 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4481 ha->current_topology = ISP_CFG_NL;
4482 strcpy(connect_type, "(Loop)");
4483 break;
4484
4485 case 1:
4486 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4487 ha->switch_cap = sw_cap;
4488 ha->current_topology = ISP_CFG_FL;
4489 strcpy(connect_type, "(FL_Port)");
4490 break;
4491
4492 case 2:
4493 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
4494 ha->operating_mode = P2P;
4495 ha->current_topology = ISP_CFG_N;
4496 strcpy(connect_type, "(N_Port-to-N_Port)");
4497 break;
4498
4499 case 3:
4500 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4501 ha->switch_cap = sw_cap;
4502 ha->operating_mode = P2P;
4503 ha->current_topology = ISP_CFG_F;
4504 strcpy(connect_type, "(F_Port)");
4505 break;
4506
4507 default:
4508 ql_dbg(ql_dbg_disc, vha, 0x200f,
4509 "HBA in unknown topology %x, using NL.\n", topo);
4510 ha->current_topology = ISP_CFG_NL;
4511 strcpy(connect_type, "(Loop)");
4512 break;
4513 }
4514
4515 /* Save Host port and loop ID. */
4516 /* byte order - Big Endian */
4517 id.b.domain = domain;
4518 id.b.area = area;
4519 id.b.al_pa = al_pa;
4520 id.b.rsvd_1 = 0;
4521 spin_lock_irqsave(&ha->hardware_lock, flags);
4522 if (!(topo == 2 && ha->flags.n2n_bigger))
4523 qlt_update_host_map(vha, id);
4524 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4525
4526 if (!vha->flags.init_done)
4527 ql_log(ql_log_info, vha, 0x2010,
4528 "Topology - %s, Host Loop address 0x%x.\n",
4529 connect_type, vha->loop_id);
4530
4531 return(rval);
4532 }
4533
4534 inline void
4535 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4536 const char *def)
4537 {
4538 char *st, *en;
4539 uint16_t index;
4540 uint64_t zero[2] = { 0 };
4541 struct qla_hw_data *ha = vha->hw;
4542 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4543 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4544
4545 if (len > sizeof(zero))
4546 len = sizeof(zero);
4547 if (memcmp(model, &zero, len) != 0) {
4548 memcpy(ha->model_number, model, len);
4549 st = en = ha->model_number;
4550 en += len - 1;
4551 while (en > st) {
4552 if (*en != 0x20 && *en != 0x00)
4553 break;
4554 *en-- = '\0';
4555 }
4556
4557 index = (ha->pdev->subsystem_device & 0xff);
4558 if (use_tbl &&
4559 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4560 index < QLA_MODEL_NAMES)
4561 strlcpy(ha->model_desc,
4562 qla2x00_model_name[index * 2 + 1],
4563 sizeof(ha->model_desc));
4564 } else {
4565 index = (ha->pdev->subsystem_device & 0xff);
4566 if (use_tbl &&
4567 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4568 index < QLA_MODEL_NAMES) {
4569 strlcpy(ha->model_number,
4570 qla2x00_model_name[index * 2],
4571 sizeof(ha->model_number));
4572 strlcpy(ha->model_desc,
4573 qla2x00_model_name[index * 2 + 1],
4574 sizeof(ha->model_desc));
4575 } else {
4576 strlcpy(ha->model_number, def,
4577 sizeof(ha->model_number));
4578 }
4579 }
4580 if (IS_FWI2_CAPABLE(ha))
4581 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4582 sizeof(ha->model_desc));
4583 }
4584
4585 /* On sparc systems, obtain port and node WWN from firmware
4586 * properties.
4587 */
4588 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4589 {
4590 #ifdef CONFIG_SPARC
4591 struct qla_hw_data *ha = vha->hw;
4592 struct pci_dev *pdev = ha->pdev;
4593 struct device_node *dp = pci_device_to_OF_node(pdev);
4594 const u8 *val;
4595 int len;
4596
4597 val = of_get_property(dp, "port-wwn", &len);
4598 if (val && len >= WWN_SIZE)
4599 memcpy(nv->port_name, val, WWN_SIZE);
4600
4601 val = of_get_property(dp, "node-wwn", &len);
4602 if (val && len >= WWN_SIZE)
4603 memcpy(nv->node_name, val, WWN_SIZE);
4604 #endif
4605 }
4606
4607 /*
4608 * NVRAM configuration for ISP 2xxx
4609 *
4610 * Input:
4611 * ha = adapter block pointer.
4612 *
4613 * Output:
4614 * initialization control block in response_ring
4615 * host adapters parameters in host adapter block
4616 *
4617 * Returns:
4618 * 0 = success.
4619 */
4620 int
4621 qla2x00_nvram_config(scsi_qla_host_t *vha)
4622 {
4623 int rval;
4624 uint8_t chksum = 0;
4625 uint16_t cnt;
4626 uint8_t *dptr1, *dptr2;
4627 struct qla_hw_data *ha = vha->hw;
4628 init_cb_t *icb = ha->init_cb;
4629 nvram_t *nv = ha->nvram;
4630 uint8_t *ptr = ha->nvram;
4631 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4632
4633 rval = QLA_SUCCESS;
4634
4635 /* Determine NVRAM starting address. */
4636 ha->nvram_size = sizeof(*nv);
4637 ha->nvram_base = 0;
4638 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
4639 if ((rd_reg_word(&reg->ctrl_status) >> 14) == 1)
4640 ha->nvram_base = 0x80;
4641
4642 /* Get NVRAM data and calculate checksum. */
4643 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4644 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
4645 chksum += *ptr++;
4646
4647 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
4648 "Contents of NVRAM.\n");
4649 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4650 nv, ha->nvram_size);
4651
4652 /* Bad NVRAM data, set defaults parameters. */
4653 if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
4654 nv->nvram_version < 1) {
4655 /* Reset NVRAM data. */
4656 ql_log(ql_log_warn, vha, 0x0064,
4657 "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n",
4658 chksum, nv->id, nv->nvram_version);
4659 ql_log(ql_log_warn, vha, 0x0065,
4660 "Falling back to "
4661 "functioning (yet invalid -- WWPN) defaults.\n");
4662
4663 /*
4664 * Set default initialization control block.
4665 */
4666 memset(nv, 0, ha->nvram_size);
4667 nv->parameter_block_version = ICB_VERSION;
4668
4669 if (IS_QLA23XX(ha)) {
4670 nv->firmware_options[0] = BIT_2 | BIT_1;
4671 nv->firmware_options[1] = BIT_7 | BIT_5;
4672 nv->add_firmware_options[0] = BIT_5;
4673 nv->add_firmware_options[1] = BIT_5 | BIT_4;
4674 nv->frame_payload_size = cpu_to_le16(2048);
4675 nv->special_options[1] = BIT_7;
4676 } else if (IS_QLA2200(ha)) {
4677 nv->firmware_options[0] = BIT_2 | BIT_1;
4678 nv->firmware_options[1] = BIT_7 | BIT_5;
4679 nv->add_firmware_options[0] = BIT_5;
4680 nv->add_firmware_options[1] = BIT_5 | BIT_4;
4681 nv->frame_payload_size = cpu_to_le16(1024);
4682 } else if (IS_QLA2100(ha)) {
4683 nv->firmware_options[0] = BIT_3 | BIT_1;
4684 nv->firmware_options[1] = BIT_5;
4685 nv->frame_payload_size = cpu_to_le16(1024);
4686 }
4687
4688 nv->max_iocb_allocation = cpu_to_le16(256);
4689 nv->execution_throttle = cpu_to_le16(16);
4690 nv->retry_count = 8;
4691 nv->retry_delay = 1;
4692
4693 nv->port_name[0] = 33;
4694 nv->port_name[3] = 224;
4695 nv->port_name[4] = 139;
4696
4697 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4698
4699 nv->login_timeout = 4;
4700
4701 /*
4702 * Set default host adapter parameters
4703 */
4704 nv->host_p[1] = BIT_2;
4705 nv->reset_delay = 5;
4706 nv->port_down_retry_count = 8;
4707 nv->max_luns_per_target = cpu_to_le16(8);
4708 nv->link_down_timeout = 60;
4709
4710 rval = 1;
4711 }
4712
4713 /* Reset Initialization control block */
4714 memset(icb, 0, ha->init_cb_size);
4715
4716 /*
4717 * Setup driver NVRAM options.
4718 */
4719 nv->firmware_options[0] |= (BIT_6 | BIT_1);
4720 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
4721 nv->firmware_options[1] |= (BIT_5 | BIT_0);
4722 nv->firmware_options[1] &= ~BIT_4;
4723
4724 if (IS_QLA23XX(ha)) {
4725 nv->firmware_options[0] |= BIT_2;
4726 nv->firmware_options[0] &= ~BIT_3;
4727 nv->special_options[0] &= ~BIT_6;
4728 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
4729
4730 if (IS_QLA2300(ha)) {
4731 if (ha->fb_rev == FPM_2310) {
4732 strcpy(ha->model_number, "QLA2310");
4733 } else {
4734 strcpy(ha->model_number, "QLA2300");
4735 }
4736 } else {
4737 qla2x00_set_model_info(vha, nv->model_number,
4738 sizeof(nv->model_number), "QLA23xx");
4739 }
4740 } else if (IS_QLA2200(ha)) {
4741 nv->firmware_options[0] |= BIT_2;
4742 /*
4743 * 'Point-to-point preferred, else loop' is not a safe
4744 * connection mode setting.
4745 */
4746 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
4747 (BIT_5 | BIT_4)) {
4748 /* Force 'loop preferred, else point-to-point'. */
4749 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
4750 nv->add_firmware_options[0] |= BIT_5;
4751 }
4752 strcpy(ha->model_number, "QLA22xx");
4753 } else /*if (IS_QLA2100(ha))*/ {
4754 strcpy(ha->model_number, "QLA2100");
4755 }
4756
4757 /*
4758 * Copy over NVRAM RISC parameter block to initialization control block.
4759 */
4760 dptr1 = (uint8_t *)icb;
4761 dptr2 = (uint8_t *)&nv->parameter_block_version;
4762 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
4763 while (cnt--)
4764 *dptr1++ = *dptr2++;
4765
4766 /* Copy 2nd half. */
4767 dptr1 = (uint8_t *)icb->add_firmware_options;
4768 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
4769 while (cnt--)
4770 *dptr1++ = *dptr2++;
4771 ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
4772 /* Use alternate WWN? */
4773 if (nv->host_p[1] & BIT_7) {
4774 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4775 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4776 }
4777
4778 /* Prepare nodename */
4779 if ((icb->firmware_options[1] & BIT_6) == 0) {
4780 /*
4781 * Firmware will apply the following mask if the nodename was
4782 * not provided.
4783 */
4784 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4785 icb->node_name[0] &= 0xF0;
4786 }
4787
4788 /*
4789 * Set host adapter parameters.
4790 */
4791
4792 /*
4793 * BIT_7 in the host-parameters section allows for modification to
4794 * internal driver logging.
4795 */
4796 if (nv->host_p[0] & BIT_7)
4797 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
4798 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
4799 /* Always load RISC code on non ISP2[12]00 chips. */
4800 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
4801 ha->flags.disable_risc_code_load = 0;
4802 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
4803 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
4804 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
4805 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
4806 ha->flags.disable_serdes = 0;
4807
4808 ha->operating_mode =
4809 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
4810
4811 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
4812 sizeof(ha->fw_seriallink_options));
4813
4814 /* save HBA serial number */
4815 ha->serial0 = icb->port_name[5];
4816 ha->serial1 = icb->port_name[6];
4817 ha->serial2 = icb->port_name[7];
4818 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4819 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4820
4821 icb->execution_throttle = cpu_to_le16(0xFFFF);
4822
4823 ha->retry_count = nv->retry_count;
4824
4825 /* Set minimum login_timeout to 4 seconds. */
4826 if (nv->login_timeout != ql2xlogintimeout)
4827 nv->login_timeout = ql2xlogintimeout;
4828 if (nv->login_timeout < 4)
4829 nv->login_timeout = 4;
4830 ha->login_timeout = nv->login_timeout;
4831
4832 /* Set minimum RATOV to 100 tenths of a second. */
4833 ha->r_a_tov = 100;
4834
4835 ha->loop_reset_delay = nv->reset_delay;
4836
4837 /* Link Down Timeout = 0:
4838 *
4839 * When Port Down timer expires we will start returning
4840 * I/O's to OS with "DID_NO_CONNECT".
4841 *
4842 * Link Down Timeout != 0:
4843 *
4844 * The driver waits for the link to come up after link down
4845 * before returning I/Os to OS with "DID_NO_CONNECT".
4846 */
4847 if (nv->link_down_timeout == 0) {
4848 ha->loop_down_abort_time =
4849 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4850 } else {
4851 ha->link_down_timeout = nv->link_down_timeout;
4852 ha->loop_down_abort_time =
4853 (LOOP_DOWN_TIME - ha->link_down_timeout);
4854 }
4855
4856 /*
4857 * Need enough time to try and get the port back.
4858 */
4859 ha->port_down_retry_count = nv->port_down_retry_count;
4860 if (qlport_down_retry)
4861 ha->port_down_retry_count = qlport_down_retry;
4862 /* Set login_retry_count */
4863 ha->login_retry_count = nv->retry_count;
4864 if (ha->port_down_retry_count == nv->port_down_retry_count &&
4865 ha->port_down_retry_count > 3)
4866 ha->login_retry_count = ha->port_down_retry_count;
4867 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4868 ha->login_retry_count = ha->port_down_retry_count;
4869 if (ql2xloginretrycount)
4870 ha->login_retry_count = ql2xloginretrycount;
4871
4872 icb->lun_enables = cpu_to_le16(0);
4873 icb->command_resource_count = 0;
4874 icb->immediate_notify_resource_count = 0;
4875 icb->timeout = cpu_to_le16(0);
4876
4877 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4878 /* Enable RIO */
4879 icb->firmware_options[0] &= ~BIT_3;
4880 icb->add_firmware_options[0] &=
4881 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4882 icb->add_firmware_options[0] |= BIT_2;
4883 icb->response_accumulation_timer = 3;
4884 icb->interrupt_delay_timer = 5;
4885
4886 vha->flags.process_response_queue = 1;
4887 } else {
4888 /* Enable ZIO. */
4889 if (!vha->flags.init_done) {
4890 ha->zio_mode = icb->add_firmware_options[0] &
4891 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4892 ha->zio_timer = icb->interrupt_delay_timer ?
4893 icb->interrupt_delay_timer : 2;
4894 }
4895 icb->add_firmware_options[0] &=
4896 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4897 vha->flags.process_response_queue = 0;
4898 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4899 ha->zio_mode = QLA_ZIO_MODE_6;
4900
4901 ql_log(ql_log_info, vha, 0x0068,
4902 "ZIO mode %d enabled; timer delay (%d us).\n",
4903 ha->zio_mode, ha->zio_timer * 100);
4904
4905 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
4906 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
4907 vha->flags.process_response_queue = 1;
4908 }
4909 }
4910
4911 if (rval) {
4912 ql_log(ql_log_warn, vha, 0x0069,
4913 "NVRAM configuration failed.\n");
4914 }
4915 return (rval);
4916 }
4917
4918 static void
4919 qla2x00_rport_del(void *data)
4920 {
4921 fc_port_t *fcport = data;
4922 struct fc_rport *rport;
4923 unsigned long flags;
4924
4925 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4926 rport = fcport->drport ? fcport->drport : fcport->rport;
4927 fcport->drport = NULL;
4928 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4929 if (rport) {
4930 ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
4931 "%s %8phN. rport %p roles %x\n",
4932 __func__, fcport->port_name, rport,
4933 rport->roles);
4934
4935 fc_remote_port_delete(rport);
4936 }
4937 }
4938
4939 void qla2x00_set_fcport_state(fc_port_t *fcport, int state)
4940 {
4941 int old_state;
4942
4943 old_state = atomic_read(&fcport->state);
4944 atomic_set(&fcport->state, state);
4945
4946 /* Don't print state transitions during initial allocation of fcport */
4947 if (old_state && old_state != state) {
4948 ql_dbg(ql_dbg_disc, fcport->vha, 0x207d,
4949 "FCPort %8phC state transitioned from %s to %s - portid=%02x%02x%02x.\n",
4950 fcport->port_name, port_state_str[old_state],
4951 port_state_str[state], fcport->d_id.b.domain,
4952 fcport->d_id.b.area, fcport->d_id.b.al_pa);
4953 }
4954 }
4955
4956 /**
4957 * qla2x00_alloc_fcport() - Allocate a generic fcport.
4958 * @vha: HA context
4959 * @flags: allocation flags
4960 *
4961 * Returns a pointer to the allocated fcport, or NULL, if none available.
4962 */
4963 fc_port_t *
4964 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
4965 {
4966 fc_port_t *fcport;
4967
4968 fcport = kzalloc(sizeof(fc_port_t), flags);
4969 if (!fcport)
4970 return NULL;
4971
4972 fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
4973 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
4974 flags);
4975 if (!fcport->ct_desc.ct_sns) {
4976 ql_log(ql_log_warn, vha, 0xd049,
4977 "Failed to allocate ct_sns request.\n");
4978 kfree(fcport);
4979 return NULL;
4980 }
4981
4982 /* Setup fcport template structure. */
4983 fcport->vha = vha;
4984 fcport->port_type = FCT_UNKNOWN;
4985 fcport->loop_id = FC_NO_LOOP_ID;
4986 qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
4987 fcport->supported_classes = FC_COS_UNSPECIFIED;
4988 fcport->fp_speed = PORT_SPEED_UNKNOWN;
4989
4990 fcport->disc_state = DSC_DELETED;
4991 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4992 fcport->deleted = QLA_SESS_DELETED;
4993 fcport->login_retry = vha->hw->login_retry_count;
4994 fcport->chip_reset = vha->hw->base_qpair->chip_reset;
4995 fcport->logout_on_delete = 1;
4996
4997 if (!fcport->ct_desc.ct_sns) {
4998 ql_log(ql_log_warn, vha, 0xd049,
4999 "Failed to allocate ct_sns request.\n");
5000 kfree(fcport);
5001 return NULL;
5002 }
5003
5004 INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
5005 INIT_WORK(&fcport->free_work, qlt_free_session_done);
5006 INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
5007 INIT_LIST_HEAD(&fcport->gnl_entry);
5008 INIT_LIST_HEAD(&fcport->list);
5009
5010 INIT_LIST_HEAD(&fcport->sess_cmd_list);
5011 spin_lock_init(&fcport->sess_cmd_lock);
5012
5013 return fcport;
5014 }
5015
5016 void
5017 qla2x00_free_fcport(fc_port_t *fcport)
5018 {
5019 if (fcport->ct_desc.ct_sns) {
5020 dma_free_coherent(&fcport->vha->hw->pdev->dev,
5021 sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
5022 fcport->ct_desc.ct_sns_dma);
5023
5024 fcport->ct_desc.ct_sns = NULL;
5025 }
5026 list_del(&fcport->list);
5027 qla2x00_clear_loop_id(fcport);
5028 kfree(fcport);
5029 }
5030
5031 static void qla_get_login_template(scsi_qla_host_t *vha)
5032 {
5033 struct qla_hw_data *ha = vha->hw;
5034 int rval;
5035 u32 *bp, sz;
5036 __be32 *q;
5037
5038 memset(ha->init_cb, 0, ha->init_cb_size);
5039 sz = min_t(int, sizeof(struct fc_els_flogi), ha->init_cb_size);
5040 rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
5041 ha->init_cb, sz);
5042 if (rval != QLA_SUCCESS) {
5043 ql_dbg(ql_dbg_init, vha, 0x00d1,
5044 "PLOGI ELS param read fail.\n");
5045 return;
5046 }
5047 q = (__be32 *)&ha->plogi_els_payld.fl_csp;
5048
5049 bp = (uint32_t *)ha->init_cb;
5050 cpu_to_be32_array(q, bp, sz / 4);
5051 ha->flags.plogi_template_valid = 1;
5052 }
5053
5054 /*
5055 * qla2x00_configure_loop
5056 * Updates Fibre Channel Device Database with what is actually on loop.
5057 *
5058 * Input:
5059 * ha = adapter block pointer.
5060 *
5061 * Returns:
5062 * 0 = success.
5063 * 1 = error.
5064 * 2 = database was full and device was not configured.
5065 */
5066 static int
5067 qla2x00_configure_loop(scsi_qla_host_t *vha)
5068 {
5069 int rval;
5070 unsigned long flags, save_flags;
5071 struct qla_hw_data *ha = vha->hw;
5072
5073 rval = QLA_SUCCESS;
5074
5075 /* Get Initiator ID */
5076 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
5077 rval = qla2x00_configure_hba(vha);
5078 if (rval != QLA_SUCCESS) {
5079 ql_dbg(ql_dbg_disc, vha, 0x2013,
5080 "Unable to configure HBA.\n");
5081 return (rval);
5082 }
5083 }
5084
5085 save_flags = flags = vha->dpc_flags;
5086 ql_dbg(ql_dbg_disc, vha, 0x2014,
5087 "Configure loop -- dpc flags = 0x%lx.\n", flags);
5088
5089 /*
5090 * If we have both an RSCN and PORT UPDATE pending then handle them
5091 * both at the same time.
5092 */
5093 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5094 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
5095
5096 qla2x00_get_data_rate(vha);
5097 qla_get_login_template(vha);
5098
5099 /* Determine what we need to do */
5100 if ((ha->current_topology == ISP_CFG_FL ||
5101 ha->current_topology == ISP_CFG_F) &&
5102 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
5103
5104 set_bit(RSCN_UPDATE, &flags);
5105 clear_bit(LOCAL_LOOP_UPDATE, &flags);
5106
5107 } else if (ha->current_topology == ISP_CFG_NL ||
5108 ha->current_topology == ISP_CFG_N) {
5109 clear_bit(RSCN_UPDATE, &flags);
5110 set_bit(LOCAL_LOOP_UPDATE, &flags);
5111 } else if (!vha->flags.online ||
5112 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
5113 set_bit(RSCN_UPDATE, &flags);
5114 set_bit(LOCAL_LOOP_UPDATE, &flags);
5115 }
5116
5117 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
5118 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5119 ql_dbg(ql_dbg_disc, vha, 0x2015,
5120 "Loop resync needed, failing.\n");
5121 rval = QLA_FUNCTION_FAILED;
5122 } else
5123 rval = qla2x00_configure_local_loop(vha);
5124 }
5125
5126 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
5127 if (LOOP_TRANSITION(vha)) {
5128 ql_dbg(ql_dbg_disc, vha, 0x2099,
5129 "Needs RSCN update and loop transition.\n");
5130 rval = QLA_FUNCTION_FAILED;
5131 }
5132 else
5133 rval = qla2x00_configure_fabric(vha);
5134 }
5135
5136 if (rval == QLA_SUCCESS) {
5137 if (atomic_read(&vha->loop_down_timer) ||
5138 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5139 rval = QLA_FUNCTION_FAILED;
5140 } else {
5141 atomic_set(&vha->loop_state, LOOP_READY);
5142 ql_dbg(ql_dbg_disc, vha, 0x2069,
5143 "LOOP READY.\n");
5144 ha->flags.fw_init_done = 1;
5145
5146 /*
5147 * Process any ATIO queue entries that came in
5148 * while we weren't online.
5149 */
5150 if (qla_tgt_mode_enabled(vha) ||
5151 qla_dual_mode_enabled(vha)) {
5152 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
5153 qlt_24xx_process_atio_queue(vha, 0);
5154 spin_unlock_irqrestore(&ha->tgt.atio_lock,
5155 flags);
5156 }
5157 }
5158 }
5159
5160 if (rval) {
5161 ql_dbg(ql_dbg_disc, vha, 0x206a,
5162 "%s *** FAILED ***.\n", __func__);
5163 } else {
5164 ql_dbg(ql_dbg_disc, vha, 0x206b,
5165 "%s: exiting normally.\n", __func__);
5166 }
5167
5168 /* Restore state if a resync event occurred during processing */
5169 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5170 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
5171 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5172 if (test_bit(RSCN_UPDATE, &save_flags)) {
5173 set_bit(RSCN_UPDATE, &vha->dpc_flags);
5174 }
5175 }
5176
5177 return (rval);
5178 }
5179
5180 static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha)
5181 {
5182 unsigned long flags;
5183 fc_port_t *fcport;
5184
5185 if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags))
5186 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5187
5188 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5189 if (fcport->n2n_flag) {
5190 qla24xx_fcport_handle_login(vha, fcport);
5191 return QLA_SUCCESS;
5192 }
5193 }
5194
5195 spin_lock_irqsave(&vha->work_lock, flags);
5196 vha->scan.scan_retry++;
5197 spin_unlock_irqrestore(&vha->work_lock, flags);
5198
5199 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5200 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5201 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5202 }
5203 return QLA_FUNCTION_FAILED;
5204 }
5205
5206 /*
5207 * qla2x00_configure_local_loop
5208 * Updates Fibre Channel Device Database with local loop devices.
5209 *
5210 * Input:
5211 * ha = adapter block pointer.
5212 *
5213 * Returns:
5214 * 0 = success.
5215 */
5216 static int
5217 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
5218 {
5219 int rval, rval2;
5220 int found_devs;
5221 int found;
5222 fc_port_t *fcport, *new_fcport;
5223 uint16_t index;
5224 uint16_t entries;
5225 struct gid_list_info *gid;
5226 uint16_t loop_id;
5227 uint8_t domain, area, al_pa;
5228 struct qla_hw_data *ha = vha->hw;
5229 unsigned long flags;
5230
5231 /* Inititae N2N login. */
5232 if (N2N_TOPO(ha))
5233 return qla2x00_configure_n2n_loop(vha);
5234
5235 found_devs = 0;
5236 new_fcport = NULL;
5237 entries = MAX_FIBRE_DEVICES_LOOP;
5238
5239 /* Get list of logged in devices. */
5240 memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
5241 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
5242 &entries);
5243 if (rval != QLA_SUCCESS)
5244 goto err;
5245
5246 ql_dbg(ql_dbg_disc, vha, 0x2011,
5247 "Entries in ID list (%d).\n", entries);
5248 ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
5249 ha->gid_list, entries * sizeof(*ha->gid_list));
5250
5251 if (entries == 0) {
5252 spin_lock_irqsave(&vha->work_lock, flags);
5253 vha->scan.scan_retry++;
5254 spin_unlock_irqrestore(&vha->work_lock, flags);
5255
5256 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5257 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5258 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5259 }
5260 } else {
5261 vha->scan.scan_retry = 0;
5262 }
5263
5264 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5265 fcport->scan_state = QLA_FCPORT_SCAN;
5266 }
5267
5268 /* Allocate temporary fcport for any new fcports discovered. */
5269 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5270 if (new_fcport == NULL) {
5271 ql_log(ql_log_warn, vha, 0x2012,
5272 "Memory allocation failed for fcport.\n");
5273 rval = QLA_MEMORY_ALLOC_FAILED;
5274 goto err;
5275 }
5276 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5277
5278 /* Add devices to port list. */
5279 gid = ha->gid_list;
5280 for (index = 0; index < entries; index++) {
5281 domain = gid->domain;
5282 area = gid->area;
5283 al_pa = gid->al_pa;
5284 if (IS_QLA2100(ha) || IS_QLA2200(ha))
5285 loop_id = gid->loop_id_2100;
5286 else
5287 loop_id = le16_to_cpu(gid->loop_id);
5288 gid = (void *)gid + ha->gid_list_info_size;
5289
5290 /* Bypass reserved domain fields. */
5291 if ((domain & 0xf0) == 0xf0)
5292 continue;
5293
5294 /* Bypass if not same domain and area of adapter. */
5295 if (area && domain && ((area != vha->d_id.b.area) ||
5296 (domain != vha->d_id.b.domain)) &&
5297 (ha->current_topology == ISP_CFG_NL))
5298 continue;
5299
5300
5301 /* Bypass invalid local loop ID. */
5302 if (loop_id > LAST_LOCAL_LOOP_ID)
5303 continue;
5304
5305 memset(new_fcport->port_name, 0, WWN_SIZE);
5306
5307 /* Fill in member data. */
5308 new_fcport->d_id.b.domain = domain;
5309 new_fcport->d_id.b.area = area;
5310 new_fcport->d_id.b.al_pa = al_pa;
5311 new_fcport->loop_id = loop_id;
5312 new_fcport->scan_state = QLA_FCPORT_FOUND;
5313
5314 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5315 if (rval2 != QLA_SUCCESS) {
5316 ql_dbg(ql_dbg_disc, vha, 0x2097,
5317 "Failed to retrieve fcport information "
5318 "-- get_port_database=%x, loop_id=0x%04x.\n",
5319 rval2, new_fcport->loop_id);
5320 /* Skip retry if N2N */
5321 if (ha->current_topology != ISP_CFG_N) {
5322 ql_dbg(ql_dbg_disc, vha, 0x2105,
5323 "Scheduling resync.\n");
5324 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5325 continue;
5326 }
5327 }
5328
5329 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5330 /* Check for matching device in port list. */
5331 found = 0;
5332 fcport = NULL;
5333 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5334 if (memcmp(new_fcport->port_name, fcport->port_name,
5335 WWN_SIZE))
5336 continue;
5337
5338 fcport->flags &= ~FCF_FABRIC_DEVICE;
5339 fcport->loop_id = new_fcport->loop_id;
5340 fcport->port_type = new_fcport->port_type;
5341 fcport->d_id.b24 = new_fcport->d_id.b24;
5342 memcpy(fcport->node_name, new_fcport->node_name,
5343 WWN_SIZE);
5344 fcport->scan_state = QLA_FCPORT_FOUND;
5345 found++;
5346 break;
5347 }
5348
5349 if (!found) {
5350 /* New device, add to fcports list. */
5351 list_add_tail(&new_fcport->list, &vha->vp_fcports);
5352
5353 /* Allocate a new replacement fcport. */
5354 fcport = new_fcport;
5355
5356 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5357
5358 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5359
5360 if (new_fcport == NULL) {
5361 ql_log(ql_log_warn, vha, 0xd031,
5362 "Failed to allocate memory for fcport.\n");
5363 rval = QLA_MEMORY_ALLOC_FAILED;
5364 goto err;
5365 }
5366 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5367 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5368 }
5369
5370 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5371
5372 /* Base iIDMA settings on HBA port speed. */
5373 fcport->fp_speed = ha->link_data_rate;
5374
5375 found_devs++;
5376 }
5377
5378 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5379 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5380 break;
5381
5382 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5383 if ((qla_dual_mode_enabled(vha) ||
5384 qla_ini_mode_enabled(vha)) &&
5385 atomic_read(&fcport->state) == FCS_ONLINE) {
5386 qla2x00_mark_device_lost(vha, fcport,
5387 ql2xplogiabsentdevice);
5388 if (fcport->loop_id != FC_NO_LOOP_ID &&
5389 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5390 fcport->port_type != FCT_INITIATOR &&
5391 fcport->port_type != FCT_BROADCAST) {
5392 ql_dbg(ql_dbg_disc, vha, 0x20f0,
5393 "%s %d %8phC post del sess\n",
5394 __func__, __LINE__,
5395 fcport->port_name);
5396
5397 qlt_schedule_sess_for_deletion(fcport);
5398 continue;
5399 }
5400 }
5401 }
5402
5403 if (fcport->scan_state == QLA_FCPORT_FOUND)
5404 qla24xx_fcport_handle_login(vha, fcport);
5405 }
5406
5407 qla2x00_free_fcport(new_fcport);
5408
5409 return rval;
5410
5411 err:
5412 ql_dbg(ql_dbg_disc, vha, 0x2098,
5413 "Configure local loop error exit: rval=%x.\n", rval);
5414 return rval;
5415 }
5416
5417 static void
5418 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5419 {
5420 int rval;
5421 uint16_t mb[MAILBOX_REGISTER_COUNT];
5422 struct qla_hw_data *ha = vha->hw;
5423
5424 if (!IS_IIDMA_CAPABLE(ha))
5425 return;
5426
5427 if (atomic_read(&fcport->state) != FCS_ONLINE)
5428 return;
5429
5430 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5431 fcport->fp_speed > ha->link_data_rate ||
5432 !ha->flags.gpsc_supported)
5433 return;
5434
5435 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5436 mb);
5437 if (rval != QLA_SUCCESS) {
5438 ql_dbg(ql_dbg_disc, vha, 0x2004,
5439 "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5440 fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5441 } else {
5442 ql_dbg(ql_dbg_disc, vha, 0x2005,
5443 "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5444 qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5445 fcport->fp_speed, fcport->port_name);
5446 }
5447 }
5448
5449 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5450 {
5451 qla2x00_iidma_fcport(vha, fcport);
5452 qla24xx_update_fcport_fcp_prio(vha, fcport);
5453 }
5454
5455 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5456 {
5457 struct qla_work_evt *e;
5458
5459 e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5460 if (!e)
5461 return QLA_FUNCTION_FAILED;
5462
5463 e->u.fcport.fcport = fcport;
5464 return qla2x00_post_work(vha, e);
5465 }
5466
5467 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5468 static void
5469 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5470 {
5471 struct fc_rport_identifiers rport_ids;
5472 struct fc_rport *rport;
5473 unsigned long flags;
5474
5475 if (atomic_read(&fcport->state) == FCS_ONLINE)
5476 return;
5477
5478 rport_ids.node_name = wwn_to_u64(fcport->node_name);
5479 rport_ids.port_name = wwn_to_u64(fcport->port_name);
5480 rport_ids.port_id = fcport->d_id.b.domain << 16 |
5481 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5482 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5483 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5484 if (!rport) {
5485 ql_log(ql_log_warn, vha, 0x2006,
5486 "Unable to allocate fc remote port.\n");
5487 return;
5488 }
5489
5490 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5491 *((fc_port_t **)rport->dd_data) = fcport;
5492 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5493
5494 rport->supported_classes = fcport->supported_classes;
5495
5496 rport_ids.roles = FC_PORT_ROLE_UNKNOWN;
5497 if (fcport->port_type == FCT_INITIATOR)
5498 rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR;
5499 if (fcport->port_type == FCT_TARGET)
5500 rport_ids.roles |= FC_PORT_ROLE_FCP_TARGET;
5501 if (fcport->port_type & FCT_NVME_INITIATOR)
5502 rport_ids.roles |= FC_PORT_ROLE_NVME_INITIATOR;
5503 if (fcport->port_type & FCT_NVME_TARGET)
5504 rport_ids.roles |= FC_PORT_ROLE_NVME_TARGET;
5505 if (fcport->port_type & FCT_NVME_DISCOVERY)
5506 rport_ids.roles |= FC_PORT_ROLE_NVME_DISCOVERY;
5507
5508 ql_dbg(ql_dbg_disc, vha, 0x20ee,
5509 "%s %8phN. rport %p is %s mode\n",
5510 __func__, fcport->port_name, rport,
5511 (fcport->port_type == FCT_TARGET) ? "tgt" :
5512 ((fcport->port_type & FCT_NVME) ? "nvme" : "ini"));
5513
5514 fc_remote_port_rolechg(rport, rport_ids.roles);
5515 }
5516
5517 /*
5518 * qla2x00_update_fcport
5519 * Updates device on list.
5520 *
5521 * Input:
5522 * ha = adapter block pointer.
5523 * fcport = port structure pointer.
5524 *
5525 * Return:
5526 * 0 - Success
5527 * BIT_0 - error
5528 *
5529 * Context:
5530 * Kernel context.
5531 */
5532 void
5533 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5534 {
5535 if (IS_SW_RESV_ADDR(fcport->d_id))
5536 return;
5537
5538 ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5539 __func__, fcport->port_name);
5540
5541 qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5542 fcport->login_retry = vha->hw->login_retry_count;
5543 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5544 fcport->deleted = 0;
5545 if (vha->hw->current_topology == ISP_CFG_NL)
5546 fcport->logout_on_delete = 0;
5547 else
5548 fcport->logout_on_delete = 1;
5549 fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
5550
5551 switch (vha->hw->current_topology) {
5552 case ISP_CFG_N:
5553 case ISP_CFG_NL:
5554 fcport->keep_nport_handle = 1;
5555 break;
5556 default:
5557 break;
5558 }
5559
5560 qla2x00_iidma_fcport(vha, fcport);
5561
5562 qla2x00_dfs_create_rport(vha, fcport);
5563
5564 if (NVME_TARGET(vha->hw, fcport)) {
5565 qla_nvme_register_remote(vha, fcport);
5566 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5567 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5568 return;
5569 }
5570
5571 qla24xx_update_fcport_fcp_prio(vha, fcport);
5572
5573 switch (vha->host->active_mode) {
5574 case MODE_INITIATOR:
5575 qla2x00_reg_remote_port(vha, fcport);
5576 break;
5577 case MODE_TARGET:
5578 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5579 !vha->vha_tgt.qla_tgt->tgt_stopped)
5580 qlt_fc_port_added(vha, fcport);
5581 break;
5582 case MODE_DUAL:
5583 qla2x00_reg_remote_port(vha, fcport);
5584 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5585 !vha->vha_tgt.qla_tgt->tgt_stopped)
5586 qlt_fc_port_added(vha, fcport);
5587 break;
5588 default:
5589 break;
5590 }
5591
5592 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5593
5594 if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5595 if (fcport->id_changed) {
5596 fcport->id_changed = 0;
5597 ql_dbg(ql_dbg_disc, vha, 0x20d7,
5598 "%s %d %8phC post gfpnid fcp_cnt %d\n",
5599 __func__, __LINE__, fcport->port_name,
5600 vha->fcport_count);
5601 qla24xx_post_gfpnid_work(vha, fcport);
5602 } else {
5603 ql_dbg(ql_dbg_disc, vha, 0x20d7,
5604 "%s %d %8phC post gpsc fcp_cnt %d\n",
5605 __func__, __LINE__, fcport->port_name,
5606 vha->fcport_count);
5607 qla24xx_post_gpsc_work(vha, fcport);
5608 }
5609 }
5610
5611 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5612 }
5613
5614 void qla_register_fcport_fn(struct work_struct *work)
5615 {
5616 fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
5617 u32 rscn_gen = fcport->rscn_gen;
5618 u16 data[2];
5619
5620 if (IS_SW_RESV_ADDR(fcport->d_id))
5621 return;
5622
5623 qla2x00_update_fcport(fcport->vha, fcport);
5624
5625 if (rscn_gen != fcport->rscn_gen) {
5626 /* RSCN(s) came in while registration */
5627 switch (fcport->next_disc_state) {
5628 case DSC_DELETE_PEND:
5629 qlt_schedule_sess_for_deletion(fcport);
5630 break;
5631 case DSC_ADISC:
5632 data[0] = data[1] = 0;
5633 qla2x00_post_async_adisc_work(fcport->vha, fcport,
5634 data);
5635 break;
5636 default:
5637 break;
5638 }
5639 }
5640 }
5641
5642 /*
5643 * qla2x00_configure_fabric
5644 * Setup SNS devices with loop ID's.
5645 *
5646 * Input:
5647 * ha = adapter block pointer.
5648 *
5649 * Returns:
5650 * 0 = success.
5651 * BIT_0 = error
5652 */
5653 static int
5654 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5655 {
5656 int rval;
5657 fc_port_t *fcport;
5658 uint16_t mb[MAILBOX_REGISTER_COUNT];
5659 uint16_t loop_id;
5660 LIST_HEAD(new_fcports);
5661 struct qla_hw_data *ha = vha->hw;
5662 int discovery_gen;
5663
5664 /* If FL port exists, then SNS is present */
5665 if (IS_FWI2_CAPABLE(ha))
5666 loop_id = NPH_F_PORT;
5667 else
5668 loop_id = SNS_FL_PORT;
5669 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5670 if (rval != QLA_SUCCESS) {
5671 ql_dbg(ql_dbg_disc, vha, 0x20a0,
5672 "MBX_GET_PORT_NAME failed, No FL Port.\n");
5673
5674 vha->device_flags &= ~SWITCH_FOUND;
5675 return (QLA_SUCCESS);
5676 }
5677 vha->device_flags |= SWITCH_FOUND;
5678
5679 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_port_name, 0);
5680 if (rval != QLA_SUCCESS)
5681 ql_dbg(ql_dbg_disc, vha, 0x20ff,
5682 "Failed to get Fabric Port Name\n");
5683
5684 if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5685 rval = qla2x00_send_change_request(vha, 0x3, 0);
5686 if (rval != QLA_SUCCESS)
5687 ql_log(ql_log_warn, vha, 0x121,
5688 "Failed to enable receiving of RSCN requests: 0x%x.\n",
5689 rval);
5690 }
5691
5692 do {
5693 qla2x00_mgmt_svr_login(vha);
5694
5695 /* Ensure we are logged into the SNS. */
5696 loop_id = NPH_SNS_LID(ha);
5697 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5698 0xfc, mb, BIT_1|BIT_0);
5699 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5700 ql_dbg(ql_dbg_disc, vha, 0x20a1,
5701 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
5702 loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5703 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5704 return rval;
5705 }
5706
5707 /* FDMI support. */
5708 if (ql2xfdmienable &&
5709 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
5710 qla2x00_fdmi_register(vha);
5711
5712 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
5713 if (qla2x00_rft_id(vha)) {
5714 /* EMPTY */
5715 ql_dbg(ql_dbg_disc, vha, 0x20a2,
5716 "Register FC-4 TYPE failed.\n");
5717 if (test_bit(LOOP_RESYNC_NEEDED,
5718 &vha->dpc_flags))
5719 break;
5720 }
5721 if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
5722 /* EMPTY */
5723 ql_dbg(ql_dbg_disc, vha, 0x209a,
5724 "Register FC-4 Features failed.\n");
5725 if (test_bit(LOOP_RESYNC_NEEDED,
5726 &vha->dpc_flags))
5727 break;
5728 }
5729 if (vha->flags.nvme_enabled) {
5730 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
5731 ql_dbg(ql_dbg_disc, vha, 0x2049,
5732 "Register NVME FC Type Features failed.\n");
5733 }
5734 }
5735 if (qla2x00_rnn_id(vha)) {
5736 /* EMPTY */
5737 ql_dbg(ql_dbg_disc, vha, 0x2104,
5738 "Register Node Name failed.\n");
5739 if (test_bit(LOOP_RESYNC_NEEDED,
5740 &vha->dpc_flags))
5741 break;
5742 } else if (qla2x00_rsnn_nn(vha)) {
5743 /* EMPTY */
5744 ql_dbg(ql_dbg_disc, vha, 0x209b,
5745 "Register Symbolic Node Name failed.\n");
5746 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5747 break;
5748 }
5749 }
5750
5751
5752 /* Mark the time right before querying FW for connected ports.
5753 * This process is long, asynchronous and by the time it's done,
5754 * collected information might not be accurate anymore. E.g.
5755 * disconnected port might have re-connected and a brand new
5756 * session has been created. In this case session's generation
5757 * will be newer than discovery_gen. */
5758 qlt_do_generation_tick(vha, &discovery_gen);
5759
5760 if (USE_ASYNC_SCAN(ha)) {
5761 rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
5762 NULL);
5763 if (rval)
5764 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5765 } else {
5766 list_for_each_entry(fcport, &vha->vp_fcports, list)
5767 fcport->scan_state = QLA_FCPORT_SCAN;
5768
5769 rval = qla2x00_find_all_fabric_devs(vha);
5770 }
5771 if (rval != QLA_SUCCESS)
5772 break;
5773 } while (0);
5774
5775 if (!vha->nvme_local_port && vha->flags.nvme_enabled)
5776 qla_nvme_register_hba(vha);
5777
5778 if (rval)
5779 ql_dbg(ql_dbg_disc, vha, 0x2068,
5780 "Configure fabric error exit rval=%d.\n", rval);
5781
5782 return (rval);
5783 }
5784
5785 /*
5786 * qla2x00_find_all_fabric_devs
5787 *
5788 * Input:
5789 * ha = adapter block pointer.
5790 * dev = database device entry pointer.
5791 *
5792 * Returns:
5793 * 0 = success.
5794 *
5795 * Context:
5796 * Kernel context.
5797 */
5798 static int
5799 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
5800 {
5801 int rval;
5802 uint16_t loop_id;
5803 fc_port_t *fcport, *new_fcport;
5804 int found;
5805
5806 sw_info_t *swl;
5807 int swl_idx;
5808 int first_dev, last_dev;
5809 port_id_t wrap = {}, nxt_d_id;
5810 struct qla_hw_data *ha = vha->hw;
5811 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5812 unsigned long flags;
5813
5814 rval = QLA_SUCCESS;
5815
5816 /* Try GID_PT to get device list, else GAN. */
5817 if (!ha->swl)
5818 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5819 GFP_KERNEL);
5820 swl = ha->swl;
5821 if (!swl) {
5822 /*EMPTY*/
5823 ql_dbg(ql_dbg_disc, vha, 0x209c,
5824 "GID_PT allocations failed, fallback on GA_NXT.\n");
5825 } else {
5826 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5827 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
5828 swl = NULL;
5829 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5830 return rval;
5831 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
5832 swl = NULL;
5833 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5834 return rval;
5835 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
5836 swl = NULL;
5837 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5838 return rval;
5839 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
5840 swl = NULL;
5841 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5842 return rval;
5843 }
5844
5845 /* If other queries succeeded probe for FC-4 type */
5846 if (swl) {
5847 qla2x00_gff_id(vha, swl);
5848 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5849 return rval;
5850 }
5851 }
5852 swl_idx = 0;
5853
5854 /* Allocate temporary fcport for any new fcports discovered. */
5855 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5856 if (new_fcport == NULL) {
5857 ql_log(ql_log_warn, vha, 0x209d,
5858 "Failed to allocate memory for fcport.\n");
5859 return (QLA_MEMORY_ALLOC_FAILED);
5860 }
5861 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5862 /* Set start port ID scan at adapter ID. */
5863 first_dev = 1;
5864 last_dev = 0;
5865
5866 /* Starting free loop ID. */
5867 loop_id = ha->min_external_loopid;
5868 for (; loop_id <= ha->max_loop_id; loop_id++) {
5869 if (qla2x00_is_reserved_id(vha, loop_id))
5870 continue;
5871
5872 if (ha->current_topology == ISP_CFG_FL &&
5873 (atomic_read(&vha->loop_down_timer) ||
5874 LOOP_TRANSITION(vha))) {
5875 atomic_set(&vha->loop_down_timer, 0);
5876 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5877 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5878 break;
5879 }
5880
5881 if (swl != NULL) {
5882 if (last_dev) {
5883 wrap.b24 = new_fcport->d_id.b24;
5884 } else {
5885 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
5886 memcpy(new_fcport->node_name,
5887 swl[swl_idx].node_name, WWN_SIZE);
5888 memcpy(new_fcport->port_name,
5889 swl[swl_idx].port_name, WWN_SIZE);
5890 memcpy(new_fcport->fabric_port_name,
5891 swl[swl_idx].fabric_port_name, WWN_SIZE);
5892 new_fcport->fp_speed = swl[swl_idx].fp_speed;
5893 new_fcport->fc4_type = swl[swl_idx].fc4_type;
5894
5895 new_fcport->nvme_flag = 0;
5896 if (vha->flags.nvme_enabled &&
5897 swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) {
5898 ql_log(ql_log_info, vha, 0x2131,
5899 "FOUND: NVME port %8phC as FC Type 28h\n",
5900 new_fcport->port_name);
5901 }
5902
5903 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
5904 last_dev = 1;
5905 }
5906 swl_idx++;
5907 }
5908 } else {
5909 /* Send GA_NXT to the switch */
5910 rval = qla2x00_ga_nxt(vha, new_fcport);
5911 if (rval != QLA_SUCCESS) {
5912 ql_log(ql_log_warn, vha, 0x209e,
5913 "SNS scan failed -- assuming "
5914 "zero-entry result.\n");
5915 rval = QLA_SUCCESS;
5916 break;
5917 }
5918 }
5919
5920 /* If wrap on switch device list, exit. */
5921 if (first_dev) {
5922 wrap.b24 = new_fcport->d_id.b24;
5923 first_dev = 0;
5924 } else if (new_fcport->d_id.b24 == wrap.b24) {
5925 ql_dbg(ql_dbg_disc, vha, 0x209f,
5926 "Device wrap (%02x%02x%02x).\n",
5927 new_fcport->d_id.b.domain,
5928 new_fcport->d_id.b.area,
5929 new_fcport->d_id.b.al_pa);
5930 break;
5931 }
5932
5933 /* Bypass if same physical adapter. */
5934 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
5935 continue;
5936
5937 /* Bypass virtual ports of the same host. */
5938 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
5939 continue;
5940
5941 /* Bypass if same domain and area of adapter. */
5942 if (((new_fcport->d_id.b24 & 0xffff00) ==
5943 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
5944 ISP_CFG_FL)
5945 continue;
5946
5947 /* Bypass reserved domain fields. */
5948 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
5949 continue;
5950
5951 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
5952 if (ql2xgffidenable &&
5953 (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) &&
5954 new_fcport->fc4_type != 0))
5955 continue;
5956
5957 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5958
5959 /* Locate matching device in database. */
5960 found = 0;
5961 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5962 if (memcmp(new_fcport->port_name, fcport->port_name,
5963 WWN_SIZE))
5964 continue;
5965
5966 fcport->scan_state = QLA_FCPORT_FOUND;
5967
5968 found++;
5969
5970 /* Update port state. */
5971 memcpy(fcport->fabric_port_name,
5972 new_fcport->fabric_port_name, WWN_SIZE);
5973 fcport->fp_speed = new_fcport->fp_speed;
5974
5975 /*
5976 * If address the same and state FCS_ONLINE
5977 * (or in target mode), nothing changed.
5978 */
5979 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
5980 (atomic_read(&fcport->state) == FCS_ONLINE ||
5981 (vha->host->active_mode == MODE_TARGET))) {
5982 break;
5983 }
5984
5985 if (fcport->login_retry == 0)
5986 fcport->login_retry =
5987 vha->hw->login_retry_count;
5988 /*
5989 * If device was not a fabric device before.
5990 */
5991 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
5992 fcport->d_id.b24 = new_fcport->d_id.b24;
5993 qla2x00_clear_loop_id(fcport);
5994 fcport->flags |= (FCF_FABRIC_DEVICE |
5995 FCF_LOGIN_NEEDED);
5996 break;
5997 }
5998
5999 /*
6000 * Port ID changed or device was marked to be updated;
6001 * Log it out if still logged in and mark it for
6002 * relogin later.
6003 */
6004 if (qla_tgt_mode_enabled(base_vha)) {
6005 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
6006 "port changed FC ID, %8phC"
6007 " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
6008 fcport->port_name,
6009 fcport->d_id.b.domain,
6010 fcport->d_id.b.area,
6011 fcport->d_id.b.al_pa,
6012 fcport->loop_id,
6013 new_fcport->d_id.b.domain,
6014 new_fcport->d_id.b.area,
6015 new_fcport->d_id.b.al_pa);
6016 fcport->d_id.b24 = new_fcport->d_id.b24;
6017 break;
6018 }
6019
6020 fcport->d_id.b24 = new_fcport->d_id.b24;
6021 fcport->flags |= FCF_LOGIN_NEEDED;
6022 break;
6023 }
6024
6025 if (found && NVME_TARGET(vha->hw, fcport)) {
6026 if (fcport->disc_state == DSC_DELETE_PEND) {
6027 qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
6028 vha->fcport_count--;
6029 fcport->login_succ = 0;
6030 }
6031 }
6032
6033 if (found) {
6034 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6035 continue;
6036 }
6037 /* If device was not in our fcports list, then add it. */
6038 new_fcport->scan_state = QLA_FCPORT_FOUND;
6039 list_add_tail(&new_fcport->list, &vha->vp_fcports);
6040
6041 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6042
6043
6044 /* Allocate a new replacement fcport. */
6045 nxt_d_id.b24 = new_fcport->d_id.b24;
6046 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
6047 if (new_fcport == NULL) {
6048 ql_log(ql_log_warn, vha, 0xd032,
6049 "Memory allocation failed for fcport.\n");
6050 return (QLA_MEMORY_ALLOC_FAILED);
6051 }
6052 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
6053 new_fcport->d_id.b24 = nxt_d_id.b24;
6054 }
6055
6056 qla2x00_free_fcport(new_fcport);
6057
6058 /*
6059 * Logout all previous fabric dev marked lost, except FCP2 devices.
6060 */
6061 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6062 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6063 break;
6064
6065 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
6066 continue;
6067
6068 if (fcport->scan_state == QLA_FCPORT_SCAN) {
6069 if ((qla_dual_mode_enabled(vha) ||
6070 qla_ini_mode_enabled(vha)) &&
6071 atomic_read(&fcport->state) == FCS_ONLINE) {
6072 qla2x00_mark_device_lost(vha, fcport,
6073 ql2xplogiabsentdevice);
6074 if (fcport->loop_id != FC_NO_LOOP_ID &&
6075 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
6076 fcport->port_type != FCT_INITIATOR &&
6077 fcport->port_type != FCT_BROADCAST) {
6078 ql_dbg(ql_dbg_disc, vha, 0x20f0,
6079 "%s %d %8phC post del sess\n",
6080 __func__, __LINE__,
6081 fcport->port_name);
6082 qlt_schedule_sess_for_deletion(fcport);
6083 continue;
6084 }
6085 }
6086 }
6087
6088 if (fcport->scan_state == QLA_FCPORT_FOUND &&
6089 (fcport->flags & FCF_LOGIN_NEEDED) != 0)
6090 qla24xx_fcport_handle_login(vha, fcport);
6091 }
6092 return (rval);
6093 }
6094
6095 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
6096 int
6097 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
6098 {
6099 int loop_id = FC_NO_LOOP_ID;
6100 int lid = NPH_MGMT_SERVER - vha->vp_idx;
6101 unsigned long flags;
6102 struct qla_hw_data *ha = vha->hw;
6103
6104 if (vha->vp_idx == 0) {
6105 set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
6106 return NPH_MGMT_SERVER;
6107 }
6108
6109 /* pick id from high and work down to low */
6110 spin_lock_irqsave(&ha->vport_slock, flags);
6111 for (; lid > 0; lid--) {
6112 if (!test_bit(lid, vha->hw->loop_id_map)) {
6113 set_bit(lid, vha->hw->loop_id_map);
6114 loop_id = lid;
6115 break;
6116 }
6117 }
6118 spin_unlock_irqrestore(&ha->vport_slock, flags);
6119
6120 return loop_id;
6121 }
6122
6123 /*
6124 * qla2x00_fabric_login
6125 * Issue fabric login command.
6126 *
6127 * Input:
6128 * ha = adapter block pointer.
6129 * device = pointer to FC device type structure.
6130 *
6131 * Returns:
6132 * 0 - Login successfully
6133 * 1 - Login failed
6134 * 2 - Initiator device
6135 * 3 - Fatal error
6136 */
6137 int
6138 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
6139 uint16_t *next_loopid)
6140 {
6141 int rval;
6142 int retry;
6143 uint16_t tmp_loopid;
6144 uint16_t mb[MAILBOX_REGISTER_COUNT];
6145 struct qla_hw_data *ha = vha->hw;
6146
6147 retry = 0;
6148 tmp_loopid = 0;
6149
6150 for (;;) {
6151 ql_dbg(ql_dbg_disc, vha, 0x2000,
6152 "Trying Fabric Login w/loop id 0x%04x for port "
6153 "%02x%02x%02x.\n",
6154 fcport->loop_id, fcport->d_id.b.domain,
6155 fcport->d_id.b.area, fcport->d_id.b.al_pa);
6156
6157 /* Login fcport on switch. */
6158 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
6159 fcport->d_id.b.domain, fcport->d_id.b.area,
6160 fcport->d_id.b.al_pa, mb, BIT_0);
6161 if (rval != QLA_SUCCESS) {
6162 return rval;
6163 }
6164 if (mb[0] == MBS_PORT_ID_USED) {
6165 /*
6166 * Device has another loop ID. The firmware team
6167 * recommends the driver perform an implicit login with
6168 * the specified ID again. The ID we just used is save
6169 * here so we return with an ID that can be tried by
6170 * the next login.
6171 */
6172 retry++;
6173 tmp_loopid = fcport->loop_id;
6174 fcport->loop_id = mb[1];
6175
6176 ql_dbg(ql_dbg_disc, vha, 0x2001,
6177 "Fabric Login: port in use - next loop "
6178 "id=0x%04x, port id= %02x%02x%02x.\n",
6179 fcport->loop_id, fcport->d_id.b.domain,
6180 fcport->d_id.b.area, fcport->d_id.b.al_pa);
6181
6182 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
6183 /*
6184 * Login succeeded.
6185 */
6186 if (retry) {
6187 /* A retry occurred before. */
6188 *next_loopid = tmp_loopid;
6189 } else {
6190 /*
6191 * No retry occurred before. Just increment the
6192 * ID value for next login.
6193 */
6194 *next_loopid = (fcport->loop_id + 1);
6195 }
6196
6197 if (mb[1] & BIT_0) {
6198 fcport->port_type = FCT_INITIATOR;
6199 } else {
6200 fcport->port_type = FCT_TARGET;
6201 if (mb[1] & BIT_1) {
6202 fcport->flags |= FCF_FCP2_DEVICE;
6203 }
6204 }
6205
6206 if (mb[10] & BIT_0)
6207 fcport->supported_classes |= FC_COS_CLASS2;
6208 if (mb[10] & BIT_1)
6209 fcport->supported_classes |= FC_COS_CLASS3;
6210
6211 if (IS_FWI2_CAPABLE(ha)) {
6212 if (mb[10] & BIT_7)
6213 fcport->flags |=
6214 FCF_CONF_COMP_SUPPORTED;
6215 }
6216
6217 rval = QLA_SUCCESS;
6218 break;
6219 } else if (mb[0] == MBS_LOOP_ID_USED) {
6220 /*
6221 * Loop ID already used, try next loop ID.
6222 */
6223 fcport->loop_id++;
6224 rval = qla2x00_find_new_loop_id(vha, fcport);
6225 if (rval != QLA_SUCCESS) {
6226 /* Ran out of loop IDs to use */
6227 break;
6228 }
6229 } else if (mb[0] == MBS_COMMAND_ERROR) {
6230 /*
6231 * Firmware possibly timed out during login. If NO
6232 * retries are left to do then the device is declared
6233 * dead.
6234 */
6235 *next_loopid = fcport->loop_id;
6236 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6237 fcport->d_id.b.domain, fcport->d_id.b.area,
6238 fcport->d_id.b.al_pa);
6239 qla2x00_mark_device_lost(vha, fcport, 1);
6240
6241 rval = 1;
6242 break;
6243 } else {
6244 /*
6245 * unrecoverable / not handled error
6246 */
6247 ql_dbg(ql_dbg_disc, vha, 0x2002,
6248 "Failed=%x port_id=%02x%02x%02x loop_id=%x "
6249 "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
6250 fcport->d_id.b.area, fcport->d_id.b.al_pa,
6251 fcport->loop_id, jiffies);
6252
6253 *next_loopid = fcport->loop_id;
6254 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6255 fcport->d_id.b.domain, fcport->d_id.b.area,
6256 fcport->d_id.b.al_pa);
6257 qla2x00_clear_loop_id(fcport);
6258 fcport->login_retry = 0;
6259
6260 rval = 3;
6261 break;
6262 }
6263 }
6264
6265 return (rval);
6266 }
6267
6268 /*
6269 * qla2x00_local_device_login
6270 * Issue local device login command.
6271 *
6272 * Input:
6273 * ha = adapter block pointer.
6274 * loop_id = loop id of device to login to.
6275 *
6276 * Returns (Where's the #define!!!!):
6277 * 0 - Login successfully
6278 * 1 - Login failed
6279 * 3 - Fatal error
6280 */
6281 int
6282 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6283 {
6284 int rval;
6285 uint16_t mb[MAILBOX_REGISTER_COUNT];
6286
6287 memset(mb, 0, sizeof(mb));
6288 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6289 if (rval == QLA_SUCCESS) {
6290 /* Interrogate mailbox registers for any errors */
6291 if (mb[0] == MBS_COMMAND_ERROR)
6292 rval = 1;
6293 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6294 /* device not in PCB table */
6295 rval = 3;
6296 }
6297
6298 return (rval);
6299 }
6300
6301 /*
6302 * qla2x00_loop_resync
6303 * Resync with fibre channel devices.
6304 *
6305 * Input:
6306 * ha = adapter block pointer.
6307 *
6308 * Returns:
6309 * 0 = success
6310 */
6311 int
6312 qla2x00_loop_resync(scsi_qla_host_t *vha)
6313 {
6314 int rval = QLA_SUCCESS;
6315 uint32_t wait_time;
6316
6317 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6318 if (vha->flags.online) {
6319 if (!(rval = qla2x00_fw_ready(vha))) {
6320 /* Wait at most MAX_TARGET RSCNs for a stable link. */
6321 wait_time = 256;
6322 do {
6323 if (!IS_QLAFX00(vha->hw)) {
6324 /*
6325 * Issue a marker after FW becomes
6326 * ready.
6327 */
6328 qla2x00_marker(vha, vha->hw->base_qpair,
6329 0, 0, MK_SYNC_ALL);
6330 vha->marker_needed = 0;
6331 }
6332
6333 /* Remap devices on Loop. */
6334 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6335
6336 if (IS_QLAFX00(vha->hw))
6337 qlafx00_configure_devices(vha);
6338 else
6339 qla2x00_configure_loop(vha);
6340
6341 wait_time--;
6342 } while (!atomic_read(&vha->loop_down_timer) &&
6343 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6344 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6345 &vha->dpc_flags)));
6346 }
6347 }
6348
6349 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6350 return (QLA_FUNCTION_FAILED);
6351
6352 if (rval)
6353 ql_dbg(ql_dbg_disc, vha, 0x206c,
6354 "%s *** FAILED ***.\n", __func__);
6355
6356 return (rval);
6357 }
6358
6359 /*
6360 * qla2x00_perform_loop_resync
6361 * Description: This function will set the appropriate flags and call
6362 * qla2x00_loop_resync. If successful loop will be resynced
6363 * Arguments : scsi_qla_host_t pointer
6364 * returm : Success or Failure
6365 */
6366
6367 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
6368 {
6369 int32_t rval = 0;
6370
6371 if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
6372 /*Configure the flags so that resync happens properly*/
6373 atomic_set(&ha->loop_down_timer, 0);
6374 if (!(ha->device_flags & DFLG_NO_CABLE)) {
6375 atomic_set(&ha->loop_state, LOOP_UP);
6376 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
6377 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
6378 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
6379
6380 rval = qla2x00_loop_resync(ha);
6381 } else
6382 atomic_set(&ha->loop_state, LOOP_DEAD);
6383
6384 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
6385 }
6386
6387 return rval;
6388 }
6389
6390 void
6391 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
6392 {
6393 fc_port_t *fcport;
6394 struct scsi_qla_host *vha;
6395 struct qla_hw_data *ha = base_vha->hw;
6396 unsigned long flags;
6397
6398 spin_lock_irqsave(&ha->vport_slock, flags);
6399 /* Go with deferred removal of rport references. */
6400 list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
6401 atomic_inc(&vha->vref_count);
6402 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6403 if (fcport->drport &&
6404 atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
6405 spin_unlock_irqrestore(&ha->vport_slock, flags);
6406 qla2x00_rport_del(fcport);
6407
6408 spin_lock_irqsave(&ha->vport_slock, flags);
6409 }
6410 }
6411 atomic_dec(&vha->vref_count);
6412 wake_up(&vha->vref_waitq);
6413 }
6414 spin_unlock_irqrestore(&ha->vport_slock, flags);
6415 }
6416
6417 /* Assumes idc_lock always held on entry */
6418 void
6419 qla83xx_reset_ownership(scsi_qla_host_t *vha)
6420 {
6421 struct qla_hw_data *ha = vha->hw;
6422 uint32_t drv_presence, drv_presence_mask;
6423 uint32_t dev_part_info1, dev_part_info2, class_type;
6424 uint32_t class_type_mask = 0x3;
6425 uint16_t fcoe_other_function = 0xffff, i;
6426
6427 if (IS_QLA8044(ha)) {
6428 drv_presence = qla8044_rd_direct(vha,
6429 QLA8044_CRB_DRV_ACTIVE_INDEX);
6430 dev_part_info1 = qla8044_rd_direct(vha,
6431 QLA8044_CRB_DEV_PART_INFO_INDEX);
6432 dev_part_info2 = qla8044_rd_direct(vha,
6433 QLA8044_CRB_DEV_PART_INFO2);
6434 } else {
6435 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6436 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
6437 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
6438 }
6439 for (i = 0; i < 8; i++) {
6440 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
6441 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6442 (i != ha->portnum)) {
6443 fcoe_other_function = i;
6444 break;
6445 }
6446 }
6447 if (fcoe_other_function == 0xffff) {
6448 for (i = 0; i < 8; i++) {
6449 class_type = ((dev_part_info2 >> (i * 4)) &
6450 class_type_mask);
6451 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6452 ((i + 8) != ha->portnum)) {
6453 fcoe_other_function = i + 8;
6454 break;
6455 }
6456 }
6457 }
6458 /*
6459 * Prepare drv-presence mask based on fcoe functions present.
6460 * However consider only valid physical fcoe function numbers (0-15).
6461 */
6462 drv_presence_mask = ~((1 << (ha->portnum)) |
6463 ((fcoe_other_function == 0xffff) ?
6464 0 : (1 << (fcoe_other_function))));
6465
6466 /* We are the reset owner iff:
6467 * - No other protocol drivers present.
6468 * - This is the lowest among fcoe functions. */
6469 if (!(drv_presence & drv_presence_mask) &&
6470 (ha->portnum < fcoe_other_function)) {
6471 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6472 "This host is Reset owner.\n");
6473 ha->flags.nic_core_reset_owner = 1;
6474 }
6475 }
6476
6477 static int
6478 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6479 {
6480 int rval = QLA_SUCCESS;
6481 struct qla_hw_data *ha = vha->hw;
6482 uint32_t drv_ack;
6483
6484 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6485 if (rval == QLA_SUCCESS) {
6486 drv_ack |= (1 << ha->portnum);
6487 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6488 }
6489
6490 return rval;
6491 }
6492
6493 static int
6494 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6495 {
6496 int rval = QLA_SUCCESS;
6497 struct qla_hw_data *ha = vha->hw;
6498 uint32_t drv_ack;
6499
6500 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6501 if (rval == QLA_SUCCESS) {
6502 drv_ack &= ~(1 << ha->portnum);
6503 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6504 }
6505
6506 return rval;
6507 }
6508
6509 static const char *
6510 qla83xx_dev_state_to_string(uint32_t dev_state)
6511 {
6512 switch (dev_state) {
6513 case QLA8XXX_DEV_COLD:
6514 return "COLD/RE-INIT";
6515 case QLA8XXX_DEV_INITIALIZING:
6516 return "INITIALIZING";
6517 case QLA8XXX_DEV_READY:
6518 return "READY";
6519 case QLA8XXX_DEV_NEED_RESET:
6520 return "NEED RESET";
6521 case QLA8XXX_DEV_NEED_QUIESCENT:
6522 return "NEED QUIESCENT";
6523 case QLA8XXX_DEV_FAILED:
6524 return "FAILED";
6525 case QLA8XXX_DEV_QUIESCENT:
6526 return "QUIESCENT";
6527 default:
6528 return "Unknown";
6529 }
6530 }
6531
6532 /* Assumes idc-lock always held on entry */
6533 void
6534 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6535 {
6536 struct qla_hw_data *ha = vha->hw;
6537 uint32_t idc_audit_reg = 0, duration_secs = 0;
6538
6539 switch (audit_type) {
6540 case IDC_AUDIT_TIMESTAMP:
6541 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6542 idc_audit_reg = (ha->portnum) |
6543 (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6544 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6545 break;
6546
6547 case IDC_AUDIT_COMPLETION:
6548 duration_secs = ((jiffies_to_msecs(jiffies) -
6549 jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6550 idc_audit_reg = (ha->portnum) |
6551 (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6552 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6553 break;
6554
6555 default:
6556 ql_log(ql_log_warn, vha, 0xb078,
6557 "Invalid audit type specified.\n");
6558 break;
6559 }
6560 }
6561
6562 /* Assumes idc_lock always held on entry */
6563 static int
6564 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6565 {
6566 struct qla_hw_data *ha = vha->hw;
6567 uint32_t idc_control, dev_state;
6568
6569 __qla83xx_get_idc_control(vha, &idc_control);
6570 if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6571 ql_log(ql_log_info, vha, 0xb080,
6572 "NIC Core reset has been disabled. idc-control=0x%x\n",
6573 idc_control);
6574 return QLA_FUNCTION_FAILED;
6575 }
6576
6577 /* Set NEED-RESET iff in READY state and we are the reset-owner */
6578 qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6579 if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6580 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6581 QLA8XXX_DEV_NEED_RESET);
6582 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6583 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6584 } else {
6585 const char *state = qla83xx_dev_state_to_string(dev_state);
6586
6587 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
6588
6589 /* SV: XXX: Is timeout required here? */
6590 /* Wait for IDC state change READY -> NEED_RESET */
6591 while (dev_state == QLA8XXX_DEV_READY) {
6592 qla83xx_idc_unlock(vha, 0);
6593 msleep(200);
6594 qla83xx_idc_lock(vha, 0);
6595 qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6596 }
6597 }
6598
6599 /* Send IDC ack by writing to drv-ack register */
6600 __qla83xx_set_drv_ack(vha);
6601
6602 return QLA_SUCCESS;
6603 }
6604
6605 int
6606 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6607 {
6608 return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6609 }
6610
6611 int
6612 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6613 {
6614 return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6615 }
6616
6617 static int
6618 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6619 {
6620 uint32_t drv_presence = 0;
6621 struct qla_hw_data *ha = vha->hw;
6622
6623 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6624 if (drv_presence & (1 << ha->portnum))
6625 return QLA_SUCCESS;
6626 else
6627 return QLA_TEST_FAILED;
6628 }
6629
6630 int
6631 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6632 {
6633 int rval = QLA_SUCCESS;
6634 struct qla_hw_data *ha = vha->hw;
6635
6636 ql_dbg(ql_dbg_p3p, vha, 0xb058,
6637 "Entered %s().\n", __func__);
6638
6639 if (vha->device_flags & DFLG_DEV_FAILED) {
6640 ql_log(ql_log_warn, vha, 0xb059,
6641 "Device in unrecoverable FAILED state.\n");
6642 return QLA_FUNCTION_FAILED;
6643 }
6644
6645 qla83xx_idc_lock(vha, 0);
6646
6647 if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6648 ql_log(ql_log_warn, vha, 0xb05a,
6649 "Function=0x%x has been removed from IDC participation.\n",
6650 ha->portnum);
6651 rval = QLA_FUNCTION_FAILED;
6652 goto exit;
6653 }
6654
6655 qla83xx_reset_ownership(vha);
6656
6657 rval = qla83xx_initiating_reset(vha);
6658
6659 /*
6660 * Perform reset if we are the reset-owner,
6661 * else wait till IDC state changes to READY/FAILED.
6662 */
6663 if (rval == QLA_SUCCESS) {
6664 rval = qla83xx_idc_state_handler(vha);
6665
6666 if (rval == QLA_SUCCESS)
6667 ha->flags.nic_core_hung = 0;
6668 __qla83xx_clear_drv_ack(vha);
6669 }
6670
6671 exit:
6672 qla83xx_idc_unlock(vha, 0);
6673
6674 ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6675
6676 return rval;
6677 }
6678
6679 int
6680 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6681 {
6682 struct qla_hw_data *ha = vha->hw;
6683 int rval = QLA_FUNCTION_FAILED;
6684
6685 if (!IS_MCTP_CAPABLE(ha)) {
6686 /* This message can be removed from the final version */
6687 ql_log(ql_log_info, vha, 0x506d,
6688 "This board is not MCTP capable\n");
6689 return rval;
6690 }
6691
6692 if (!ha->mctp_dump) {
6693 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6694 MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6695
6696 if (!ha->mctp_dump) {
6697 ql_log(ql_log_warn, vha, 0x506e,
6698 "Failed to allocate memory for mctp dump\n");
6699 return rval;
6700 }
6701 }
6702
6703 #define MCTP_DUMP_STR_ADDR 0x00000000
6704 rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6705 MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6706 if (rval != QLA_SUCCESS) {
6707 ql_log(ql_log_warn, vha, 0x506f,
6708 "Failed to capture mctp dump\n");
6709 } else {
6710 ql_log(ql_log_info, vha, 0x5070,
6711 "Mctp dump capture for host (%ld/%p).\n",
6712 vha->host_no, ha->mctp_dump);
6713 ha->mctp_dumped = 1;
6714 }
6715
6716 if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6717 ha->flags.nic_core_reset_hdlr_active = 1;
6718 rval = qla83xx_restart_nic_firmware(vha);
6719 if (rval)
6720 /* NIC Core reset failed. */
6721 ql_log(ql_log_warn, vha, 0x5071,
6722 "Failed to restart nic firmware\n");
6723 else
6724 ql_dbg(ql_dbg_p3p, vha, 0xb084,
6725 "Restarted NIC firmware successfully.\n");
6726 ha->flags.nic_core_reset_hdlr_active = 0;
6727 }
6728
6729 return rval;
6730
6731 }
6732
6733 /*
6734 * qla2x00_quiesce_io
6735 * Description: This function will block the new I/Os
6736 * Its not aborting any I/Os as context
6737 * is not destroyed during quiescence
6738 * Arguments: scsi_qla_host_t
6739 * return : void
6740 */
6741 void
6742 qla2x00_quiesce_io(scsi_qla_host_t *vha)
6743 {
6744 struct qla_hw_data *ha = vha->hw;
6745 struct scsi_qla_host *vp;
6746
6747 ql_dbg(ql_dbg_dpc, vha, 0x401d,
6748 "Quiescing I/O - ha=%p.\n", ha);
6749
6750 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
6751 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6752 atomic_set(&vha->loop_state, LOOP_DOWN);
6753 qla2x00_mark_all_devices_lost(vha);
6754 list_for_each_entry(vp, &ha->vp_list, list)
6755 qla2x00_mark_all_devices_lost(vp);
6756 } else {
6757 if (!atomic_read(&vha->loop_down_timer))
6758 atomic_set(&vha->loop_down_timer,
6759 LOOP_DOWN_TIME);
6760 }
6761 /* Wait for pending cmds to complete */
6762 WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST)
6763 != QLA_SUCCESS);
6764 }
6765
6766 void
6767 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
6768 {
6769 struct qla_hw_data *ha = vha->hw;
6770 struct scsi_qla_host *vp;
6771 unsigned long flags;
6772 fc_port_t *fcport;
6773 u16 i;
6774
6775 /* For ISP82XX, driver waits for completion of the commands.
6776 * online flag should be set.
6777 */
6778 if (!(IS_P3P_TYPE(ha)))
6779 vha->flags.online = 0;
6780 ha->flags.chip_reset_done = 0;
6781 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6782 vha->qla_stats.total_isp_aborts++;
6783
6784 ql_log(ql_log_info, vha, 0x00af,
6785 "Performing ISP error recovery - ha=%p.\n", ha);
6786
6787 ha->flags.purge_mbox = 1;
6788 /* For ISP82XX, reset_chip is just disabling interrupts.
6789 * Driver waits for the completion of the commands.
6790 * the interrupts need to be enabled.
6791 */
6792 if (!(IS_P3P_TYPE(ha)))
6793 ha->isp_ops->reset_chip(vha);
6794
6795 ha->link_data_rate = PORT_SPEED_UNKNOWN;
6796 SAVE_TOPO(ha);
6797 ha->flags.rida_fmt2 = 0;
6798 ha->flags.n2n_ae = 0;
6799 ha->flags.lip_ae = 0;
6800 ha->current_topology = 0;
6801 QLA_FW_STOPPED(ha);
6802 ha->flags.fw_init_done = 0;
6803 ha->chip_reset++;
6804 ha->base_qpair->chip_reset = ha->chip_reset;
6805 for (i = 0; i < ha->max_qpairs; i++) {
6806 if (ha->queue_pair_map[i])
6807 ha->queue_pair_map[i]->chip_reset =
6808 ha->base_qpair->chip_reset;
6809 }
6810
6811 /* purge MBox commands */
6812 if (atomic_read(&ha->num_pend_mbx_stage3)) {
6813 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
6814 complete(&ha->mbx_intr_comp);
6815 }
6816
6817 i = 0;
6818 while (atomic_read(&ha->num_pend_mbx_stage3) ||
6819 atomic_read(&ha->num_pend_mbx_stage2) ||
6820 atomic_read(&ha->num_pend_mbx_stage1)) {
6821 msleep(20);
6822 i++;
6823 if (i > 50)
6824 break;
6825 }
6826 ha->flags.purge_mbox = 0;
6827
6828 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
6829 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6830 atomic_set(&vha->loop_state, LOOP_DOWN);
6831 qla2x00_mark_all_devices_lost(vha);
6832
6833 spin_lock_irqsave(&ha->vport_slock, flags);
6834 list_for_each_entry(vp, &ha->vp_list, list) {
6835 atomic_inc(&vp->vref_count);
6836 spin_unlock_irqrestore(&ha->vport_slock, flags);
6837
6838 qla2x00_mark_all_devices_lost(vp);
6839
6840 spin_lock_irqsave(&ha->vport_slock, flags);
6841 atomic_dec(&vp->vref_count);
6842 }
6843 spin_unlock_irqrestore(&ha->vport_slock, flags);
6844 } else {
6845 if (!atomic_read(&vha->loop_down_timer))
6846 atomic_set(&vha->loop_down_timer,
6847 LOOP_DOWN_TIME);
6848 }
6849
6850 /* Clear all async request states across all VPs. */
6851 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6852 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6853 fcport->scan_state = 0;
6854 }
6855 spin_lock_irqsave(&ha->vport_slock, flags);
6856 list_for_each_entry(vp, &ha->vp_list, list) {
6857 atomic_inc(&vp->vref_count);
6858 spin_unlock_irqrestore(&ha->vport_slock, flags);
6859
6860 list_for_each_entry(fcport, &vp->vp_fcports, list)
6861 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6862
6863 spin_lock_irqsave(&ha->vport_slock, flags);
6864 atomic_dec(&vp->vref_count);
6865 }
6866 spin_unlock_irqrestore(&ha->vport_slock, flags);
6867
6868 if (!ha->flags.eeh_busy) {
6869 /* Make sure for ISP 82XX IO DMA is complete */
6870 if (IS_P3P_TYPE(ha)) {
6871 qla82xx_chip_reset_cleanup(vha);
6872 ql_log(ql_log_info, vha, 0x00b4,
6873 "Done chip reset cleanup.\n");
6874
6875 /* Done waiting for pending commands.
6876 * Reset the online flag.
6877 */
6878 vha->flags.online = 0;
6879 }
6880
6881 /* Requeue all commands in outstanding command list. */
6882 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6883 }
6884 /* memory barrier */
6885 wmb();
6886 }
6887
6888 /*
6889 * qla2x00_abort_isp
6890 * Resets ISP and aborts all outstanding commands.
6891 *
6892 * Input:
6893 * ha = adapter block pointer.
6894 *
6895 * Returns:
6896 * 0 = success
6897 */
6898 int
6899 qla2x00_abort_isp(scsi_qla_host_t *vha)
6900 {
6901 int rval;
6902 uint8_t status = 0;
6903 struct qla_hw_data *ha = vha->hw;
6904 struct scsi_qla_host *vp;
6905 struct req_que *req = ha->req_q_map[0];
6906 unsigned long flags;
6907
6908 if (vha->flags.online) {
6909 qla2x00_abort_isp_cleanup(vha);
6910
6911 if (test_and_clear_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags)) {
6912 ha->flags.chip_reset_done = 1;
6913 vha->flags.online = 1;
6914 status = 0;
6915 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6916 return status;
6917 }
6918
6919 if (IS_QLA8031(ha)) {
6920 ql_dbg(ql_dbg_p3p, vha, 0xb05c,
6921 "Clearing fcoe driver presence.\n");
6922 if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
6923 ql_dbg(ql_dbg_p3p, vha, 0xb073,
6924 "Error while clearing DRV-Presence.\n");
6925 }
6926
6927 if (unlikely(pci_channel_offline(ha->pdev) &&
6928 ha->flags.pci_channel_io_perm_failure)) {
6929 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6930 status = 0;
6931 return status;
6932 }
6933
6934 switch (vha->qlini_mode) {
6935 case QLA2XXX_INI_MODE_DISABLED:
6936 if (!qla_tgt_mode_enabled(vha))
6937 return 0;
6938 break;
6939 case QLA2XXX_INI_MODE_DUAL:
6940 if (!qla_dual_mode_enabled(vha))
6941 return 0;
6942 break;
6943 case QLA2XXX_INI_MODE_ENABLED:
6944 default:
6945 break;
6946 }
6947
6948 ha->isp_ops->get_flash_version(vha, req->ring);
6949
6950 ha->isp_ops->nvram_config(vha);
6951
6952 if (!qla2x00_restart_isp(vha)) {
6953 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6954
6955 if (!atomic_read(&vha->loop_down_timer)) {
6956 /*
6957 * Issue marker command only when we are going
6958 * to start the I/O .
6959 */
6960 vha->marker_needed = 1;
6961 }
6962
6963 vha->flags.online = 1;
6964
6965 ha->isp_ops->enable_intrs(ha);
6966
6967 ha->isp_abort_cnt = 0;
6968 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6969
6970 if (IS_QLA81XX(ha) || IS_QLA8031(ha))
6971 qla2x00_get_fw_version(vha);
6972 if (ha->fce) {
6973 ha->flags.fce_enabled = 1;
6974 memset(ha->fce, 0,
6975 fce_calc_size(ha->fce_bufs));
6976 rval = qla2x00_enable_fce_trace(vha,
6977 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6978 &ha->fce_bufs);
6979 if (rval) {
6980 ql_log(ql_log_warn, vha, 0x8033,
6981 "Unable to reinitialize FCE "
6982 "(%d).\n", rval);
6983 ha->flags.fce_enabled = 0;
6984 }
6985 }
6986
6987 if (ha->eft) {
6988 memset(ha->eft, 0, EFT_SIZE);
6989 rval = qla2x00_enable_eft_trace(vha,
6990 ha->eft_dma, EFT_NUM_BUFFERS);
6991 if (rval) {
6992 ql_log(ql_log_warn, vha, 0x8034,
6993 "Unable to reinitialize EFT "
6994 "(%d).\n", rval);
6995 }
6996 }
6997 } else { /* failed the ISP abort */
6998 vha->flags.online = 1;
6999 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
7000 if (ha->isp_abort_cnt == 0) {
7001 ql_log(ql_log_fatal, vha, 0x8035,
7002 "ISP error recover failed - "
7003 "board disabled.\n");
7004 /*
7005 * The next call disables the board
7006 * completely.
7007 */
7008 qla2x00_abort_isp_cleanup(vha);
7009 vha->flags.online = 0;
7010 clear_bit(ISP_ABORT_RETRY,
7011 &vha->dpc_flags);
7012 status = 0;
7013 } else { /* schedule another ISP abort */
7014 ha->isp_abort_cnt--;
7015 ql_dbg(ql_dbg_taskm, vha, 0x8020,
7016 "ISP abort - retry remaining %d.\n",
7017 ha->isp_abort_cnt);
7018 status = 1;
7019 }
7020 } else {
7021 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
7022 ql_dbg(ql_dbg_taskm, vha, 0x8021,
7023 "ISP error recovery - retrying (%d) "
7024 "more times.\n", ha->isp_abort_cnt);
7025 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7026 status = 1;
7027 }
7028 }
7029
7030 }
7031
7032 if (!status) {
7033 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
7034 qla2x00_configure_hba(vha);
7035 spin_lock_irqsave(&ha->vport_slock, flags);
7036 list_for_each_entry(vp, &ha->vp_list, list) {
7037 if (vp->vp_idx) {
7038 atomic_inc(&vp->vref_count);
7039 spin_unlock_irqrestore(&ha->vport_slock, flags);
7040
7041 qla2x00_vp_abort_isp(vp);
7042
7043 spin_lock_irqsave(&ha->vport_slock, flags);
7044 atomic_dec(&vp->vref_count);
7045 }
7046 }
7047 spin_unlock_irqrestore(&ha->vport_slock, flags);
7048
7049 if (IS_QLA8031(ha)) {
7050 ql_dbg(ql_dbg_p3p, vha, 0xb05d,
7051 "Setting back fcoe driver presence.\n");
7052 if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
7053 ql_dbg(ql_dbg_p3p, vha, 0xb074,
7054 "Error while setting DRV-Presence.\n");
7055 }
7056 } else {
7057 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
7058 __func__);
7059 }
7060
7061 return(status);
7062 }
7063
7064 /*
7065 * qla2x00_restart_isp
7066 * restarts the ISP after a reset
7067 *
7068 * Input:
7069 * ha = adapter block pointer.
7070 *
7071 * Returns:
7072 * 0 = success
7073 */
7074 static int
7075 qla2x00_restart_isp(scsi_qla_host_t *vha)
7076 {
7077 int status;
7078 struct qla_hw_data *ha = vha->hw;
7079
7080 /* If firmware needs to be loaded */
7081 if (qla2x00_isp_firmware(vha)) {
7082 vha->flags.online = 0;
7083 status = ha->isp_ops->chip_diag(vha);
7084 if (status)
7085 return status;
7086 status = qla2x00_setup_chip(vha);
7087 if (status)
7088 return status;
7089 }
7090
7091 status = qla2x00_init_rings(vha);
7092 if (status)
7093 return status;
7094
7095 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7096 ha->flags.chip_reset_done = 1;
7097
7098 /* Initialize the queues in use */
7099 qla25xx_init_queues(ha);
7100
7101 status = qla2x00_fw_ready(vha);
7102 if (status) {
7103 /* if no cable then assume it's good */
7104 return vha->device_flags & DFLG_NO_CABLE ? 0 : status;
7105 }
7106
7107 /* Issue a marker after FW becomes ready. */
7108 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
7109 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7110
7111 return 0;
7112 }
7113
7114 static int
7115 qla25xx_init_queues(struct qla_hw_data *ha)
7116 {
7117 struct rsp_que *rsp = NULL;
7118 struct req_que *req = NULL;
7119 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7120 int ret = -1;
7121 int i;
7122
7123 for (i = 1; i < ha->max_rsp_queues; i++) {
7124 rsp = ha->rsp_q_map[i];
7125 if (rsp && test_bit(i, ha->rsp_qid_map)) {
7126 rsp->options &= ~BIT_0;
7127 ret = qla25xx_init_rsp_que(base_vha, rsp);
7128 if (ret != QLA_SUCCESS)
7129 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
7130 "%s Rsp que: %d init failed.\n",
7131 __func__, rsp->id);
7132 else
7133 ql_dbg(ql_dbg_init, base_vha, 0x0100,
7134 "%s Rsp que: %d inited.\n",
7135 __func__, rsp->id);
7136 }
7137 }
7138 for (i = 1; i < ha->max_req_queues; i++) {
7139 req = ha->req_q_map[i];
7140 if (req && test_bit(i, ha->req_qid_map)) {
7141 /* Clear outstanding commands array. */
7142 req->options &= ~BIT_0;
7143 ret = qla25xx_init_req_que(base_vha, req);
7144 if (ret != QLA_SUCCESS)
7145 ql_dbg(ql_dbg_init, base_vha, 0x0101,
7146 "%s Req que: %d init failed.\n",
7147 __func__, req->id);
7148 else
7149 ql_dbg(ql_dbg_init, base_vha, 0x0102,
7150 "%s Req que: %d inited.\n",
7151 __func__, req->id);
7152 }
7153 }
7154 return ret;
7155 }
7156
7157 /*
7158 * qla2x00_reset_adapter
7159 * Reset adapter.
7160 *
7161 * Input:
7162 * ha = adapter block pointer.
7163 */
7164 int
7165 qla2x00_reset_adapter(scsi_qla_host_t *vha)
7166 {
7167 unsigned long flags = 0;
7168 struct qla_hw_data *ha = vha->hw;
7169 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7170
7171 vha->flags.online = 0;
7172 ha->isp_ops->disable_intrs(ha);
7173
7174 spin_lock_irqsave(&ha->hardware_lock, flags);
7175 wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
7176 rd_reg_word(&reg->hccr); /* PCI Posting. */
7177 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
7178 rd_reg_word(&reg->hccr); /* PCI Posting. */
7179 spin_unlock_irqrestore(&ha->hardware_lock, flags);
7180
7181 return QLA_SUCCESS;
7182 }
7183
7184 int
7185 qla24xx_reset_adapter(scsi_qla_host_t *vha)
7186 {
7187 unsigned long flags = 0;
7188 struct qla_hw_data *ha = vha->hw;
7189 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
7190
7191 if (IS_P3P_TYPE(ha))
7192 return QLA_SUCCESS;
7193
7194 vha->flags.online = 0;
7195 ha->isp_ops->disable_intrs(ha);
7196
7197 spin_lock_irqsave(&ha->hardware_lock, flags);
7198 wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
7199 rd_reg_dword(&reg->hccr);
7200 wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
7201 rd_reg_dword(&reg->hccr);
7202 spin_unlock_irqrestore(&ha->hardware_lock, flags);
7203
7204 if (IS_NOPOLLING_TYPE(ha))
7205 ha->isp_ops->enable_intrs(ha);
7206
7207 return QLA_SUCCESS;
7208 }
7209
7210 /* On sparc systems, obtain port and node WWN from firmware
7211 * properties.
7212 */
7213 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
7214 struct nvram_24xx *nv)
7215 {
7216 #ifdef CONFIG_SPARC
7217 struct qla_hw_data *ha = vha->hw;
7218 struct pci_dev *pdev = ha->pdev;
7219 struct device_node *dp = pci_device_to_OF_node(pdev);
7220 const u8 *val;
7221 int len;
7222
7223 val = of_get_property(dp, "port-wwn", &len);
7224 if (val && len >= WWN_SIZE)
7225 memcpy(nv->port_name, val, WWN_SIZE);
7226
7227 val = of_get_property(dp, "node-wwn", &len);
7228 if (val && len >= WWN_SIZE)
7229 memcpy(nv->node_name, val, WWN_SIZE);
7230 #endif
7231 }
7232
7233 int
7234 qla24xx_nvram_config(scsi_qla_host_t *vha)
7235 {
7236 int rval;
7237 struct init_cb_24xx *icb;
7238 struct nvram_24xx *nv;
7239 __le32 *dptr;
7240 uint8_t *dptr1, *dptr2;
7241 uint32_t chksum;
7242 uint16_t cnt;
7243 struct qla_hw_data *ha = vha->hw;
7244
7245 rval = QLA_SUCCESS;
7246 icb = (struct init_cb_24xx *)ha->init_cb;
7247 nv = ha->nvram;
7248
7249 /* Determine NVRAM starting address. */
7250 if (ha->port_no == 0) {
7251 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
7252 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
7253 } else {
7254 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7255 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
7256 }
7257
7258 ha->nvram_size = sizeof(*nv);
7259 ha->vpd_size = FA_NVRAM_VPD_SIZE;
7260
7261 /* Get VPD data into cache */
7262 ha->vpd = ha->nvram + VPD_OFFSET;
7263 ha->isp_ops->read_nvram(vha, ha->vpd,
7264 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
7265
7266 /* Get NVRAM data into cache and calculate checksum. */
7267 dptr = (__force __le32 *)nv;
7268 ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size);
7269 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7270 chksum += le32_to_cpu(*dptr);
7271
7272 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
7273 "Contents of NVRAM\n");
7274 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7275 nv, ha->nvram_size);
7276
7277 /* Bad NVRAM data, set defaults parameters. */
7278 if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
7279 le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
7280 /* Reset NVRAM data. */
7281 ql_log(ql_log_warn, vha, 0x006b,
7282 "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
7283 chksum, nv->id, nv->nvram_version);
7284 ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv));
7285 ql_log(ql_log_warn, vha, 0x006c,
7286 "Falling back to functioning (yet invalid -- WWPN) "
7287 "defaults.\n");
7288
7289 /*
7290 * Set default initialization control block.
7291 */
7292 memset(nv, 0, ha->nvram_size);
7293 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7294 nv->version = cpu_to_le16(ICB_VERSION);
7295 nv->frame_payload_size = cpu_to_le16(2048);
7296 nv->execution_throttle = cpu_to_le16(0xFFFF);
7297 nv->exchange_count = cpu_to_le16(0);
7298 nv->hard_address = cpu_to_le16(124);
7299 nv->port_name[0] = 0x21;
7300 nv->port_name[1] = 0x00 + ha->port_no + 1;
7301 nv->port_name[2] = 0x00;
7302 nv->port_name[3] = 0xe0;
7303 nv->port_name[4] = 0x8b;
7304 nv->port_name[5] = 0x1c;
7305 nv->port_name[6] = 0x55;
7306 nv->port_name[7] = 0x86;
7307 nv->node_name[0] = 0x20;
7308 nv->node_name[1] = 0x00;
7309 nv->node_name[2] = 0x00;
7310 nv->node_name[3] = 0xe0;
7311 nv->node_name[4] = 0x8b;
7312 nv->node_name[5] = 0x1c;
7313 nv->node_name[6] = 0x55;
7314 nv->node_name[7] = 0x86;
7315 qla24xx_nvram_wwn_from_ofw(vha, nv);
7316 nv->login_retry_count = cpu_to_le16(8);
7317 nv->interrupt_delay_timer = cpu_to_le16(0);
7318 nv->login_timeout = cpu_to_le16(0);
7319 nv->firmware_options_1 =
7320 cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7321 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7322 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7323 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7324 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7325 nv->efi_parameters = cpu_to_le32(0);
7326 nv->reset_delay = 5;
7327 nv->max_luns_per_target = cpu_to_le16(128);
7328 nv->port_down_retry_count = cpu_to_le16(30);
7329 nv->link_down_timeout = cpu_to_le16(30);
7330
7331 rval = 1;
7332 }
7333
7334 if (qla_tgt_mode_enabled(vha)) {
7335 /* Don't enable full login after initial LIP */
7336 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7337 /* Don't enable LIP full login for initiator */
7338 nv->host_p &= cpu_to_le32(~BIT_10);
7339 }
7340
7341 qlt_24xx_config_nvram_stage1(vha, nv);
7342
7343 /* Reset Initialization control block */
7344 memset(icb, 0, ha->init_cb_size);
7345
7346 /* Copy 1st segment. */
7347 dptr1 = (uint8_t *)icb;
7348 dptr2 = (uint8_t *)&nv->version;
7349 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7350 while (cnt--)
7351 *dptr1++ = *dptr2++;
7352
7353 icb->login_retry_count = nv->login_retry_count;
7354 icb->link_down_on_nos = nv->link_down_on_nos;
7355
7356 /* Copy 2nd segment. */
7357 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7358 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7359 cnt = (uint8_t *)&icb->reserved_3 -
7360 (uint8_t *)&icb->interrupt_delay_timer;
7361 while (cnt--)
7362 *dptr1++ = *dptr2++;
7363 ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7364 /*
7365 * Setup driver NVRAM options.
7366 */
7367 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7368 "QLA2462");
7369
7370 qlt_24xx_config_nvram_stage2(vha, icb);
7371
7372 if (nv->host_p & cpu_to_le32(BIT_15)) {
7373 /* Use alternate WWN? */
7374 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7375 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7376 }
7377
7378 /* Prepare nodename */
7379 if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7380 /*
7381 * Firmware will apply the following mask if the nodename was
7382 * not provided.
7383 */
7384 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7385 icb->node_name[0] &= 0xF0;
7386 }
7387
7388 /* Set host adapter parameters. */
7389 ha->flags.disable_risc_code_load = 0;
7390 ha->flags.enable_lip_reset = 0;
7391 ha->flags.enable_lip_full_login =
7392 le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
7393 ha->flags.enable_target_reset =
7394 le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
7395 ha->flags.enable_led_scheme = 0;
7396 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
7397
7398 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7399 (BIT_6 | BIT_5 | BIT_4)) >> 4;
7400
7401 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
7402 sizeof(ha->fw_seriallink_options24));
7403
7404 /* save HBA serial number */
7405 ha->serial0 = icb->port_name[5];
7406 ha->serial1 = icb->port_name[6];
7407 ha->serial2 = icb->port_name[7];
7408 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7409 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7410
7411 icb->execution_throttle = cpu_to_le16(0xFFFF);
7412
7413 ha->retry_count = le16_to_cpu(nv->login_retry_count);
7414
7415 /* Set minimum login_timeout to 4 seconds. */
7416 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7417 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7418 if (le16_to_cpu(nv->login_timeout) < 4)
7419 nv->login_timeout = cpu_to_le16(4);
7420 ha->login_timeout = le16_to_cpu(nv->login_timeout);
7421
7422 /* Set minimum RATOV to 100 tenths of a second. */
7423 ha->r_a_tov = 100;
7424
7425 ha->loop_reset_delay = nv->reset_delay;
7426
7427 /* Link Down Timeout = 0:
7428 *
7429 * When Port Down timer expires we will start returning
7430 * I/O's to OS with "DID_NO_CONNECT".
7431 *
7432 * Link Down Timeout != 0:
7433 *
7434 * The driver waits for the link to come up after link down
7435 * before returning I/Os to OS with "DID_NO_CONNECT".
7436 */
7437 if (le16_to_cpu(nv->link_down_timeout) == 0) {
7438 ha->loop_down_abort_time =
7439 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7440 } else {
7441 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7442 ha->loop_down_abort_time =
7443 (LOOP_DOWN_TIME - ha->link_down_timeout);
7444 }
7445
7446 /* Need enough time to try and get the port back. */
7447 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7448 if (qlport_down_retry)
7449 ha->port_down_retry_count = qlport_down_retry;
7450
7451 /* Set login_retry_count */
7452 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
7453 if (ha->port_down_retry_count ==
7454 le16_to_cpu(nv->port_down_retry_count) &&
7455 ha->port_down_retry_count > 3)
7456 ha->login_retry_count = ha->port_down_retry_count;
7457 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7458 ha->login_retry_count = ha->port_down_retry_count;
7459 if (ql2xloginretrycount)
7460 ha->login_retry_count = ql2xloginretrycount;
7461
7462 /* N2N: driver will initiate Login instead of FW */
7463 icb->firmware_options_3 |= cpu_to_le32(BIT_8);
7464
7465 /* Enable ZIO. */
7466 if (!vha->flags.init_done) {
7467 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7468 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7469 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7470 le16_to_cpu(icb->interrupt_delay_timer) : 2;
7471 }
7472 icb->firmware_options_2 &= cpu_to_le32(
7473 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7474 if (ha->zio_mode != QLA_ZIO_DISABLED) {
7475 ha->zio_mode = QLA_ZIO_MODE_6;
7476
7477 ql_log(ql_log_info, vha, 0x006f,
7478 "ZIO mode %d enabled; timer delay (%d us).\n",
7479 ha->zio_mode, ha->zio_timer * 100);
7480
7481 icb->firmware_options_2 |= cpu_to_le32(
7482 (uint32_t)ha->zio_mode);
7483 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7484 }
7485
7486 if (rval) {
7487 ql_log(ql_log_warn, vha, 0x0070,
7488 "NVRAM configuration failed.\n");
7489 }
7490 return (rval);
7491 }
7492
7493 static void
7494 qla27xx_print_image(struct scsi_qla_host *vha, char *name,
7495 struct qla27xx_image_status *image_status)
7496 {
7497 ql_dbg(ql_dbg_init, vha, 0x018b,
7498 "%s %s: mask=%#02x gen=%#04x ver=%u.%u map=%#01x sum=%#08x sig=%#08x\n",
7499 name, "status",
7500 image_status->image_status_mask,
7501 le16_to_cpu(image_status->generation),
7502 image_status->ver_major,
7503 image_status->ver_minor,
7504 image_status->bitmap,
7505 le32_to_cpu(image_status->checksum),
7506 le32_to_cpu(image_status->signature));
7507 }
7508
7509 static bool
7510 qla28xx_check_aux_image_status_signature(
7511 struct qla27xx_image_status *image_status)
7512 {
7513 ulong signature = le32_to_cpu(image_status->signature);
7514
7515 return signature != QLA28XX_AUX_IMG_STATUS_SIGN;
7516 }
7517
7518 static bool
7519 qla27xx_check_image_status_signature(struct qla27xx_image_status *image_status)
7520 {
7521 ulong signature = le32_to_cpu(image_status->signature);
7522
7523 return
7524 signature != QLA27XX_IMG_STATUS_SIGN &&
7525 signature != QLA28XX_IMG_STATUS_SIGN;
7526 }
7527
7528 static ulong
7529 qla27xx_image_status_checksum(struct qla27xx_image_status *image_status)
7530 {
7531 __le32 *p = (__force __le32 *)image_status;
7532 uint n = sizeof(*image_status) / sizeof(*p);
7533 uint32_t sum = 0;
7534
7535 for ( ; n--; p++)
7536 sum += le32_to_cpup(p);
7537
7538 return sum;
7539 }
7540
7541 static inline uint
7542 qla28xx_component_bitmask(struct qla27xx_image_status *aux, uint bitmask)
7543 {
7544 return aux->bitmap & bitmask ?
7545 QLA27XX_SECONDARY_IMAGE : QLA27XX_PRIMARY_IMAGE;
7546 }
7547
7548 static void
7549 qla28xx_component_status(
7550 struct active_regions *active_regions, struct qla27xx_image_status *aux)
7551 {
7552 active_regions->aux.board_config =
7553 qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_BOARD_CONFIG);
7554
7555 active_regions->aux.vpd_nvram =
7556 qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_VPD_NVRAM);
7557
7558 active_regions->aux.npiv_config_0_1 =
7559 qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_0_1);
7560
7561 active_regions->aux.npiv_config_2_3 =
7562 qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_2_3);
7563 }
7564
7565 static int
7566 qla27xx_compare_image_generation(
7567 struct qla27xx_image_status *pri_image_status,
7568 struct qla27xx_image_status *sec_image_status)
7569 {
7570 /* calculate generation delta as uint16 (this accounts for wrap) */
7571 int16_t delta =
7572 le16_to_cpu(pri_image_status->generation) -
7573 le16_to_cpu(sec_image_status->generation);
7574
7575 ql_dbg(ql_dbg_init, NULL, 0x0180, "generation delta = %d\n", delta);
7576
7577 return delta;
7578 }
7579
7580 void
7581 qla28xx_get_aux_images(
7582 struct scsi_qla_host *vha, struct active_regions *active_regions)
7583 {
7584 struct qla_hw_data *ha = vha->hw;
7585 struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status;
7586 bool valid_pri_image = false, valid_sec_image = false;
7587 bool active_pri_image = false, active_sec_image = false;
7588
7589 if (!ha->flt_region_aux_img_status_pri) {
7590 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n");
7591 goto check_sec_image;
7592 }
7593
7594 qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status,
7595 ha->flt_region_aux_img_status_pri,
7596 sizeof(pri_aux_image_status) >> 2);
7597 qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status);
7598
7599 if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) {
7600 ql_dbg(ql_dbg_init, vha, 0x018b,
7601 "Primary aux image signature (%#x) not valid\n",
7602 le32_to_cpu(pri_aux_image_status.signature));
7603 goto check_sec_image;
7604 }
7605
7606 if (qla27xx_image_status_checksum(&pri_aux_image_status)) {
7607 ql_dbg(ql_dbg_init, vha, 0x018c,
7608 "Primary aux image checksum failed\n");
7609 goto check_sec_image;
7610 }
7611
7612 valid_pri_image = true;
7613
7614 if (pri_aux_image_status.image_status_mask & 1) {
7615 ql_dbg(ql_dbg_init, vha, 0x018d,
7616 "Primary aux image is active\n");
7617 active_pri_image = true;
7618 }
7619
7620 check_sec_image:
7621 if (!ha->flt_region_aux_img_status_sec) {
7622 ql_dbg(ql_dbg_init, vha, 0x018a,
7623 "Secondary aux image not addressed\n");
7624 goto check_valid_image;
7625 }
7626
7627 qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status,
7628 ha->flt_region_aux_img_status_sec,
7629 sizeof(sec_aux_image_status) >> 2);
7630 qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status);
7631
7632 if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) {
7633 ql_dbg(ql_dbg_init, vha, 0x018b,
7634 "Secondary aux image signature (%#x) not valid\n",
7635 le32_to_cpu(sec_aux_image_status.signature));
7636 goto check_valid_image;
7637 }
7638
7639 if (qla27xx_image_status_checksum(&sec_aux_image_status)) {
7640 ql_dbg(ql_dbg_init, vha, 0x018c,
7641 "Secondary aux image checksum failed\n");
7642 goto check_valid_image;
7643 }
7644
7645 valid_sec_image = true;
7646
7647 if (sec_aux_image_status.image_status_mask & 1) {
7648 ql_dbg(ql_dbg_init, vha, 0x018d,
7649 "Secondary aux image is active\n");
7650 active_sec_image = true;
7651 }
7652
7653 check_valid_image:
7654 if (valid_pri_image && active_pri_image &&
7655 valid_sec_image && active_sec_image) {
7656 if (qla27xx_compare_image_generation(&pri_aux_image_status,
7657 &sec_aux_image_status) >= 0) {
7658 qla28xx_component_status(active_regions,
7659 &pri_aux_image_status);
7660 } else {
7661 qla28xx_component_status(active_regions,
7662 &sec_aux_image_status);
7663 }
7664 } else if (valid_pri_image && active_pri_image) {
7665 qla28xx_component_status(active_regions, &pri_aux_image_status);
7666 } else if (valid_sec_image && active_sec_image) {
7667 qla28xx_component_status(active_regions, &sec_aux_image_status);
7668 }
7669
7670 ql_dbg(ql_dbg_init, vha, 0x018f,
7671 "aux images active: BCFG=%u VPD/NVR=%u NPIV0/1=%u NPIV2/3=%u\n",
7672 active_regions->aux.board_config,
7673 active_regions->aux.vpd_nvram,
7674 active_regions->aux.npiv_config_0_1,
7675 active_regions->aux.npiv_config_2_3);
7676 }
7677
7678 void
7679 qla27xx_get_active_image(struct scsi_qla_host *vha,
7680 struct active_regions *active_regions)
7681 {
7682 struct qla_hw_data *ha = vha->hw;
7683 struct qla27xx_image_status pri_image_status, sec_image_status;
7684 bool valid_pri_image = false, valid_sec_image = false;
7685 bool active_pri_image = false, active_sec_image = false;
7686
7687 if (!ha->flt_region_img_status_pri) {
7688 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n");
7689 goto check_sec_image;
7690 }
7691
7692 if (qla24xx_read_flash_data(vha, (uint32_t *)&pri_image_status,
7693 ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) !=
7694 QLA_SUCCESS) {
7695 WARN_ON_ONCE(true);
7696 goto check_sec_image;
7697 }
7698 qla27xx_print_image(vha, "Primary image", &pri_image_status);
7699
7700 if (qla27xx_check_image_status_signature(&pri_image_status)) {
7701 ql_dbg(ql_dbg_init, vha, 0x018b,
7702 "Primary image signature (%#x) not valid\n",
7703 le32_to_cpu(pri_image_status.signature));
7704 goto check_sec_image;
7705 }
7706
7707 if (qla27xx_image_status_checksum(&pri_image_status)) {
7708 ql_dbg(ql_dbg_init, vha, 0x018c,
7709 "Primary image checksum failed\n");
7710 goto check_sec_image;
7711 }
7712
7713 valid_pri_image = true;
7714
7715 if (pri_image_status.image_status_mask & 1) {
7716 ql_dbg(ql_dbg_init, vha, 0x018d,
7717 "Primary image is active\n");
7718 active_pri_image = true;
7719 }
7720
7721 check_sec_image:
7722 if (!ha->flt_region_img_status_sec) {
7723 ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n");
7724 goto check_valid_image;
7725 }
7726
7727 qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
7728 ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2);
7729 qla27xx_print_image(vha, "Secondary image", &sec_image_status);
7730
7731 if (qla27xx_check_image_status_signature(&sec_image_status)) {
7732 ql_dbg(ql_dbg_init, vha, 0x018b,
7733 "Secondary image signature (%#x) not valid\n",
7734 le32_to_cpu(sec_image_status.signature));
7735 goto check_valid_image;
7736 }
7737
7738 if (qla27xx_image_status_checksum(&sec_image_status)) {
7739 ql_dbg(ql_dbg_init, vha, 0x018c,
7740 "Secondary image checksum failed\n");
7741 goto check_valid_image;
7742 }
7743
7744 valid_sec_image = true;
7745
7746 if (sec_image_status.image_status_mask & 1) {
7747 ql_dbg(ql_dbg_init, vha, 0x018d,
7748 "Secondary image is active\n");
7749 active_sec_image = true;
7750 }
7751
7752 check_valid_image:
7753 if (valid_pri_image && active_pri_image)
7754 active_regions->global = QLA27XX_PRIMARY_IMAGE;
7755
7756 if (valid_sec_image && active_sec_image) {
7757 if (!active_regions->global ||
7758 qla27xx_compare_image_generation(
7759 &pri_image_status, &sec_image_status) < 0) {
7760 active_regions->global = QLA27XX_SECONDARY_IMAGE;
7761 }
7762 }
7763
7764 ql_dbg(ql_dbg_init, vha, 0x018f, "active image %s (%u)\n",
7765 active_regions->global == QLA27XX_DEFAULT_IMAGE ?
7766 "default (boot/fw)" :
7767 active_regions->global == QLA27XX_PRIMARY_IMAGE ?
7768 "primary" :
7769 active_regions->global == QLA27XX_SECONDARY_IMAGE ?
7770 "secondary" : "invalid",
7771 active_regions->global);
7772 }
7773
7774 bool qla24xx_risc_firmware_invalid(uint32_t *dword)
7775 {
7776 return
7777 !(dword[4] | dword[5] | dword[6] | dword[7]) ||
7778 !(~dword[4] | ~dword[5] | ~dword[6] | ~dword[7]);
7779 }
7780
7781 static int
7782 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
7783 uint32_t faddr)
7784 {
7785 int rval;
7786 uint templates, segments, fragment;
7787 ulong i;
7788 uint j;
7789 ulong dlen;
7790 uint32_t *dcode;
7791 uint32_t risc_addr, risc_size, risc_attr = 0;
7792 struct qla_hw_data *ha = vha->hw;
7793 struct req_que *req = ha->req_q_map[0];
7794 struct fwdt *fwdt = ha->fwdt;
7795
7796 ql_dbg(ql_dbg_init, vha, 0x008b,
7797 "FW: Loading firmware from flash (%x).\n", faddr);
7798
7799 dcode = (uint32_t *)req->ring;
7800 qla24xx_read_flash_data(vha, dcode, faddr, 8);
7801 if (qla24xx_risc_firmware_invalid(dcode)) {
7802 ql_log(ql_log_fatal, vha, 0x008c,
7803 "Unable to verify the integrity of flash firmware "
7804 "image.\n");
7805 ql_log(ql_log_fatal, vha, 0x008d,
7806 "Firmware data: %08x %08x %08x %08x.\n",
7807 dcode[0], dcode[1], dcode[2], dcode[3]);
7808
7809 return QLA_FUNCTION_FAILED;
7810 }
7811
7812 dcode = (uint32_t *)req->ring;
7813 *srisc_addr = 0;
7814 segments = FA_RISC_CODE_SEGMENTS;
7815 for (j = 0; j < segments; j++) {
7816 ql_dbg(ql_dbg_init, vha, 0x008d,
7817 "-> Loading segment %u...\n", j);
7818 qla24xx_read_flash_data(vha, dcode, faddr, 10);
7819 risc_addr = be32_to_cpu((__force __be32)dcode[2]);
7820 risc_size = be32_to_cpu((__force __be32)dcode[3]);
7821 if (!*srisc_addr) {
7822 *srisc_addr = risc_addr;
7823 risc_attr = be32_to_cpu((__force __be32)dcode[9]);
7824 }
7825
7826 dlen = ha->fw_transfer_size >> 2;
7827 for (fragment = 0; risc_size; fragment++) {
7828 if (dlen > risc_size)
7829 dlen = risc_size;
7830
7831 ql_dbg(ql_dbg_init, vha, 0x008e,
7832 "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n",
7833 fragment, risc_addr, faddr, dlen);
7834 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
7835 for (i = 0; i < dlen; i++)
7836 dcode[i] = swab32(dcode[i]);
7837
7838 rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
7839 if (rval) {
7840 ql_log(ql_log_fatal, vha, 0x008f,
7841 "-> Failed load firmware fragment %u.\n",
7842 fragment);
7843 return QLA_FUNCTION_FAILED;
7844 }
7845
7846 faddr += dlen;
7847 risc_addr += dlen;
7848 risc_size -= dlen;
7849 }
7850 }
7851
7852 if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
7853 return QLA_SUCCESS;
7854
7855 templates = (risc_attr & BIT_9) ? 2 : 1;
7856 ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates);
7857 for (j = 0; j < templates; j++, fwdt++) {
7858 if (fwdt->template)
7859 vfree(fwdt->template);
7860 fwdt->template = NULL;
7861 fwdt->length = 0;
7862
7863 dcode = (uint32_t *)req->ring;
7864 qla24xx_read_flash_data(vha, dcode, faddr, 7);
7865 risc_size = be32_to_cpu((__force __be32)dcode[2]);
7866 ql_dbg(ql_dbg_init, vha, 0x0161,
7867 "-> fwdt%u template array at %#x (%#x dwords)\n",
7868 j, faddr, risc_size);
7869 if (!risc_size || !~risc_size) {
7870 ql_dbg(ql_dbg_init, vha, 0x0162,
7871 "-> fwdt%u failed to read array\n", j);
7872 goto failed;
7873 }
7874
7875 /* skip header and ignore checksum */
7876 faddr += 7;
7877 risc_size -= 8;
7878
7879 ql_dbg(ql_dbg_init, vha, 0x0163,
7880 "-> fwdt%u template allocate template %#x words...\n",
7881 j, risc_size);
7882 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
7883 if (!fwdt->template) {
7884 ql_log(ql_log_warn, vha, 0x0164,
7885 "-> fwdt%u failed allocate template.\n", j);
7886 goto failed;
7887 }
7888
7889 dcode = fwdt->template;
7890 qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
7891
7892 if (!qla27xx_fwdt_template_valid(dcode)) {
7893 ql_log(ql_log_warn, vha, 0x0165,
7894 "-> fwdt%u failed template validate\n", j);
7895 goto failed;
7896 }
7897
7898 dlen = qla27xx_fwdt_template_size(dcode);
7899 ql_dbg(ql_dbg_init, vha, 0x0166,
7900 "-> fwdt%u template size %#lx bytes (%#lx words)\n",
7901 j, dlen, dlen / sizeof(*dcode));
7902 if (dlen > risc_size * sizeof(*dcode)) {
7903 ql_log(ql_log_warn, vha, 0x0167,
7904 "-> fwdt%u template exceeds array (%-lu bytes)\n",
7905 j, dlen - risc_size * sizeof(*dcode));
7906 goto failed;
7907 }
7908
7909 fwdt->length = dlen;
7910 ql_dbg(ql_dbg_init, vha, 0x0168,
7911 "-> fwdt%u loaded template ok\n", j);
7912
7913 faddr += risc_size + 1;
7914 }
7915
7916 return QLA_SUCCESS;
7917
7918 failed:
7919 if (fwdt->template)
7920 vfree(fwdt->template);
7921 fwdt->template = NULL;
7922 fwdt->length = 0;
7923
7924 return QLA_SUCCESS;
7925 }
7926
7927 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
7928
7929 int
7930 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7931 {
7932 int rval;
7933 int i, fragment;
7934 uint16_t *wcode;
7935 __be16 *fwcode;
7936 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
7937 struct fw_blob *blob;
7938 struct qla_hw_data *ha = vha->hw;
7939 struct req_que *req = ha->req_q_map[0];
7940
7941 /* Load firmware blob. */
7942 blob = qla2x00_request_firmware(vha);
7943 if (!blob) {
7944 ql_log(ql_log_info, vha, 0x0083,
7945 "Firmware image unavailable.\n");
7946 ql_log(ql_log_info, vha, 0x0084,
7947 "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
7948 return QLA_FUNCTION_FAILED;
7949 }
7950
7951 rval = QLA_SUCCESS;
7952
7953 wcode = (uint16_t *)req->ring;
7954 *srisc_addr = 0;
7955 fwcode = (__force __be16 *)blob->fw->data;
7956 fwclen = 0;
7957
7958 /* Validate firmware image by checking version. */
7959 if (blob->fw->size < 8 * sizeof(uint16_t)) {
7960 ql_log(ql_log_fatal, vha, 0x0085,
7961 "Unable to verify integrity of firmware image (%zd).\n",
7962 blob->fw->size);
7963 goto fail_fw_integrity;
7964 }
7965 for (i = 0; i < 4; i++)
7966 wcode[i] = be16_to_cpu(fwcode[i + 4]);
7967 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
7968 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
7969 wcode[2] == 0 && wcode[3] == 0)) {
7970 ql_log(ql_log_fatal, vha, 0x0086,
7971 "Unable to verify integrity of firmware image.\n");
7972 ql_log(ql_log_fatal, vha, 0x0087,
7973 "Firmware data: %04x %04x %04x %04x.\n",
7974 wcode[0], wcode[1], wcode[2], wcode[3]);
7975 goto fail_fw_integrity;
7976 }
7977
7978 seg = blob->segs;
7979 while (*seg && rval == QLA_SUCCESS) {
7980 risc_addr = *seg;
7981 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
7982 risc_size = be16_to_cpu(fwcode[3]);
7983
7984 /* Validate firmware image size. */
7985 fwclen += risc_size * sizeof(uint16_t);
7986 if (blob->fw->size < fwclen) {
7987 ql_log(ql_log_fatal, vha, 0x0088,
7988 "Unable to verify integrity of firmware image "
7989 "(%zd).\n", blob->fw->size);
7990 goto fail_fw_integrity;
7991 }
7992
7993 fragment = 0;
7994 while (risc_size > 0 && rval == QLA_SUCCESS) {
7995 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
7996 if (wlen > risc_size)
7997 wlen = risc_size;
7998 ql_dbg(ql_dbg_init, vha, 0x0089,
7999 "Loading risc segment@ risc addr %x number of "
8000 "words 0x%x.\n", risc_addr, wlen);
8001
8002 for (i = 0; i < wlen; i++)
8003 wcode[i] = swab16((__force u32)fwcode[i]);
8004
8005 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
8006 wlen);
8007 if (rval) {
8008 ql_log(ql_log_fatal, vha, 0x008a,
8009 "Failed to load segment %d of firmware.\n",
8010 fragment);
8011 break;
8012 }
8013
8014 fwcode += wlen;
8015 risc_addr += wlen;
8016 risc_size -= wlen;
8017 fragment++;
8018 }
8019
8020 /* Next segment. */
8021 seg++;
8022 }
8023 return rval;
8024
8025 fail_fw_integrity:
8026 return QLA_FUNCTION_FAILED;
8027 }
8028
8029 static int
8030 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8031 {
8032 int rval;
8033 uint templates, segments, fragment;
8034 uint32_t *dcode;
8035 ulong dlen;
8036 uint32_t risc_addr, risc_size, risc_attr = 0;
8037 ulong i;
8038 uint j;
8039 struct fw_blob *blob;
8040 __be32 *fwcode;
8041 struct qla_hw_data *ha = vha->hw;
8042 struct req_que *req = ha->req_q_map[0];
8043 struct fwdt *fwdt = ha->fwdt;
8044
8045 ql_dbg(ql_dbg_init, vha, 0x0090,
8046 "-> FW: Loading via request-firmware.\n");
8047
8048 blob = qla2x00_request_firmware(vha);
8049 if (!blob) {
8050 ql_log(ql_log_warn, vha, 0x0092,
8051 "-> Firmware file not found.\n");
8052
8053 return QLA_FUNCTION_FAILED;
8054 }
8055
8056 fwcode = (__force __be32 *)blob->fw->data;
8057 dcode = (__force uint32_t *)fwcode;
8058 if (qla24xx_risc_firmware_invalid(dcode)) {
8059 ql_log(ql_log_fatal, vha, 0x0093,
8060 "Unable to verify integrity of firmware image (%zd).\n",
8061 blob->fw->size);
8062 ql_log(ql_log_fatal, vha, 0x0095,
8063 "Firmware data: %08x %08x %08x %08x.\n",
8064 dcode[0], dcode[1], dcode[2], dcode[3]);
8065 return QLA_FUNCTION_FAILED;
8066 }
8067
8068 dcode = (uint32_t *)req->ring;
8069 *srisc_addr = 0;
8070 segments = FA_RISC_CODE_SEGMENTS;
8071 for (j = 0; j < segments; j++) {
8072 ql_dbg(ql_dbg_init, vha, 0x0096,
8073 "-> Loading segment %u...\n", j);
8074 risc_addr = be32_to_cpu(fwcode[2]);
8075 risc_size = be32_to_cpu(fwcode[3]);
8076
8077 if (!*srisc_addr) {
8078 *srisc_addr = risc_addr;
8079 risc_attr = be32_to_cpu(fwcode[9]);
8080 }
8081
8082 dlen = ha->fw_transfer_size >> 2;
8083 for (fragment = 0; risc_size; fragment++) {
8084 if (dlen > risc_size)
8085 dlen = risc_size;
8086
8087 ql_dbg(ql_dbg_init, vha, 0x0097,
8088 "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n",
8089 fragment, risc_addr,
8090 (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data),
8091 dlen);
8092
8093 for (i = 0; i < dlen; i++)
8094 dcode[i] = swab32((__force u32)fwcode[i]);
8095
8096 rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8097 if (rval) {
8098 ql_log(ql_log_fatal, vha, 0x0098,
8099 "-> Failed load firmware fragment %u.\n",
8100 fragment);
8101 return QLA_FUNCTION_FAILED;
8102 }
8103
8104 fwcode += dlen;
8105 risc_addr += dlen;
8106 risc_size -= dlen;
8107 }
8108 }
8109
8110 if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8111 return QLA_SUCCESS;
8112
8113 templates = (risc_attr & BIT_9) ? 2 : 1;
8114 ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates);
8115 for (j = 0; j < templates; j++, fwdt++) {
8116 if (fwdt->template)
8117 vfree(fwdt->template);
8118 fwdt->template = NULL;
8119 fwdt->length = 0;
8120
8121 risc_size = be32_to_cpu(fwcode[2]);
8122 ql_dbg(ql_dbg_init, vha, 0x0171,
8123 "-> fwdt%u template array at %#x (%#x dwords)\n",
8124 j, (uint32_t)((void *)fwcode - (void *)blob->fw->data),
8125 risc_size);
8126 if (!risc_size || !~risc_size) {
8127 ql_dbg(ql_dbg_init, vha, 0x0172,
8128 "-> fwdt%u failed to read array\n", j);
8129 goto failed;
8130 }
8131
8132 /* skip header and ignore checksum */
8133 fwcode += 7;
8134 risc_size -= 8;
8135
8136 ql_dbg(ql_dbg_init, vha, 0x0173,
8137 "-> fwdt%u template allocate template %#x words...\n",
8138 j, risc_size);
8139 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
8140 if (!fwdt->template) {
8141 ql_log(ql_log_warn, vha, 0x0174,
8142 "-> fwdt%u failed allocate template.\n", j);
8143 goto failed;
8144 }
8145
8146 dcode = fwdt->template;
8147 for (i = 0; i < risc_size; i++)
8148 dcode[i] = (__force u32)fwcode[i];
8149
8150 if (!qla27xx_fwdt_template_valid(dcode)) {
8151 ql_log(ql_log_warn, vha, 0x0175,
8152 "-> fwdt%u failed template validate\n", j);
8153 goto failed;
8154 }
8155
8156 dlen = qla27xx_fwdt_template_size(dcode);
8157 ql_dbg(ql_dbg_init, vha, 0x0176,
8158 "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8159 j, dlen, dlen / sizeof(*dcode));
8160 if (dlen > risc_size * sizeof(*dcode)) {
8161 ql_log(ql_log_warn, vha, 0x0177,
8162 "-> fwdt%u template exceeds array (%-lu bytes)\n",
8163 j, dlen - risc_size * sizeof(*dcode));
8164 goto failed;
8165 }
8166
8167 fwdt->length = dlen;
8168 ql_dbg(ql_dbg_init, vha, 0x0178,
8169 "-> fwdt%u loaded template ok\n", j);
8170
8171 fwcode += risc_size + 1;
8172 }
8173
8174 return QLA_SUCCESS;
8175
8176 failed:
8177 if (fwdt->template)
8178 vfree(fwdt->template);
8179 fwdt->template = NULL;
8180 fwdt->length = 0;
8181
8182 return QLA_SUCCESS;
8183 }
8184
8185 int
8186 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8187 {
8188 int rval;
8189
8190 if (ql2xfwloadbin == 1)
8191 return qla81xx_load_risc(vha, srisc_addr);
8192
8193 /*
8194 * FW Load priority:
8195 * 1) Firmware via request-firmware interface (.bin file).
8196 * 2) Firmware residing in flash.
8197 */
8198 rval = qla24xx_load_risc_blob(vha, srisc_addr);
8199 if (rval == QLA_SUCCESS)
8200 return rval;
8201
8202 return qla24xx_load_risc_flash(vha, srisc_addr,
8203 vha->hw->flt_region_fw);
8204 }
8205
8206 int
8207 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8208 {
8209 int rval;
8210 struct qla_hw_data *ha = vha->hw;
8211 struct active_regions active_regions = { };
8212
8213 if (ql2xfwloadbin == 2)
8214 goto try_blob_fw;
8215
8216 /* FW Load priority:
8217 * 1) Firmware residing in flash.
8218 * 2) Firmware via request-firmware interface (.bin file).
8219 * 3) Golden-Firmware residing in flash -- (limited operation).
8220 */
8221
8222 if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8223 goto try_primary_fw;
8224
8225 qla27xx_get_active_image(vha, &active_regions);
8226
8227 if (active_regions.global != QLA27XX_SECONDARY_IMAGE)
8228 goto try_primary_fw;
8229
8230 ql_dbg(ql_dbg_init, vha, 0x008b,
8231 "Loading secondary firmware image.\n");
8232 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw_sec);
8233 if (!rval)
8234 return rval;
8235
8236 try_primary_fw:
8237 ql_dbg(ql_dbg_init, vha, 0x008b,
8238 "Loading primary firmware image.\n");
8239 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
8240 if (!rval)
8241 return rval;
8242
8243 try_blob_fw:
8244 rval = qla24xx_load_risc_blob(vha, srisc_addr);
8245 if (!rval || !ha->flt_region_gold_fw)
8246 return rval;
8247
8248 ql_log(ql_log_info, vha, 0x0099,
8249 "Attempting to fallback to golden firmware.\n");
8250 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
8251 if (rval)
8252 return rval;
8253
8254 ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n");
8255 ha->flags.running_gold_fw = 1;
8256 return rval;
8257 }
8258
8259 void
8260 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
8261 {
8262 int ret, retries;
8263 struct qla_hw_data *ha = vha->hw;
8264
8265 if (ha->flags.pci_channel_io_perm_failure)
8266 return;
8267 if (!IS_FWI2_CAPABLE(ha))
8268 return;
8269 if (!ha->fw_major_version)
8270 return;
8271 if (!ha->flags.fw_started)
8272 return;
8273
8274 ret = qla2x00_stop_firmware(vha);
8275 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
8276 ret != QLA_INVALID_COMMAND && retries ; retries--) {
8277 ha->isp_ops->reset_chip(vha);
8278 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
8279 continue;
8280 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
8281 continue;
8282 ql_log(ql_log_info, vha, 0x8015,
8283 "Attempting retry of stop-firmware command.\n");
8284 ret = qla2x00_stop_firmware(vha);
8285 }
8286
8287 QLA_FW_STOPPED(ha);
8288 ha->flags.fw_init_done = 0;
8289 }
8290
8291 int
8292 qla24xx_configure_vhba(scsi_qla_host_t *vha)
8293 {
8294 int rval = QLA_SUCCESS;
8295 int rval2;
8296 uint16_t mb[MAILBOX_REGISTER_COUNT];
8297 struct qla_hw_data *ha = vha->hw;
8298 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
8299
8300 if (!vha->vp_idx)
8301 return -EINVAL;
8302
8303 rval = qla2x00_fw_ready(base_vha);
8304
8305 if (rval == QLA_SUCCESS) {
8306 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8307 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8308 }
8309
8310 vha->flags.management_server_logged_in = 0;
8311
8312 /* Login to SNS first */
8313 rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
8314 BIT_1);
8315 if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
8316 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
8317 ql_dbg(ql_dbg_init, vha, 0x0120,
8318 "Failed SNS login: loop_id=%x, rval2=%d\n",
8319 NPH_SNS, rval2);
8320 else
8321 ql_dbg(ql_dbg_init, vha, 0x0103,
8322 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
8323 "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
8324 NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
8325 return (QLA_FUNCTION_FAILED);
8326 }
8327
8328 atomic_set(&vha->loop_down_timer, 0);
8329 atomic_set(&vha->loop_state, LOOP_UP);
8330 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8331 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
8332 rval = qla2x00_loop_resync(base_vha);
8333
8334 return rval;
8335 }
8336
8337 /* 84XX Support **************************************************************/
8338
8339 static LIST_HEAD(qla_cs84xx_list);
8340 static DEFINE_MUTEX(qla_cs84xx_mutex);
8341
8342 static struct qla_chip_state_84xx *
8343 qla84xx_get_chip(struct scsi_qla_host *vha)
8344 {
8345 struct qla_chip_state_84xx *cs84xx;
8346 struct qla_hw_data *ha = vha->hw;
8347
8348 mutex_lock(&qla_cs84xx_mutex);
8349
8350 /* Find any shared 84xx chip. */
8351 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
8352 if (cs84xx->bus == ha->pdev->bus) {
8353 kref_get(&cs84xx->kref);
8354 goto done;
8355 }
8356 }
8357
8358 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
8359 if (!cs84xx)
8360 goto done;
8361
8362 kref_init(&cs84xx->kref);
8363 spin_lock_init(&cs84xx->access_lock);
8364 mutex_init(&cs84xx->fw_update_mutex);
8365 cs84xx->bus = ha->pdev->bus;
8366
8367 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
8368 done:
8369 mutex_unlock(&qla_cs84xx_mutex);
8370 return cs84xx;
8371 }
8372
8373 static void
8374 __qla84xx_chip_release(struct kref *kref)
8375 {
8376 struct qla_chip_state_84xx *cs84xx =
8377 container_of(kref, struct qla_chip_state_84xx, kref);
8378
8379 mutex_lock(&qla_cs84xx_mutex);
8380 list_del(&cs84xx->list);
8381 mutex_unlock(&qla_cs84xx_mutex);
8382 kfree(cs84xx);
8383 }
8384
8385 void
8386 qla84xx_put_chip(struct scsi_qla_host *vha)
8387 {
8388 struct qla_hw_data *ha = vha->hw;
8389
8390 if (ha->cs84xx)
8391 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
8392 }
8393
8394 static int
8395 qla84xx_init_chip(scsi_qla_host_t *vha)
8396 {
8397 int rval;
8398 uint16_t status[2];
8399 struct qla_hw_data *ha = vha->hw;
8400
8401 mutex_lock(&ha->cs84xx->fw_update_mutex);
8402
8403 rval = qla84xx_verify_chip(vha, status);
8404
8405 mutex_unlock(&ha->cs84xx->fw_update_mutex);
8406
8407 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED :
8408 QLA_SUCCESS;
8409 }
8410
8411 /* 81XX Support **************************************************************/
8412
8413 int
8414 qla81xx_nvram_config(scsi_qla_host_t *vha)
8415 {
8416 int rval;
8417 struct init_cb_81xx *icb;
8418 struct nvram_81xx *nv;
8419 __le32 *dptr;
8420 uint8_t *dptr1, *dptr2;
8421 uint32_t chksum;
8422 uint16_t cnt;
8423 struct qla_hw_data *ha = vha->hw;
8424 uint32_t faddr;
8425 struct active_regions active_regions = { };
8426
8427 rval = QLA_SUCCESS;
8428 icb = (struct init_cb_81xx *)ha->init_cb;
8429 nv = ha->nvram;
8430
8431 /* Determine NVRAM starting address. */
8432 ha->nvram_size = sizeof(*nv);
8433 ha->vpd_size = FA_NVRAM_VPD_SIZE;
8434 if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
8435 ha->vpd_size = FA_VPD_SIZE_82XX;
8436
8437 if (IS_QLA28XX(ha) || IS_QLA27XX(ha))
8438 qla28xx_get_aux_images(vha, &active_regions);
8439
8440 /* Get VPD data into cache */
8441 ha->vpd = ha->nvram + VPD_OFFSET;
8442
8443 faddr = ha->flt_region_vpd;
8444 if (IS_QLA28XX(ha)) {
8445 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8446 faddr = ha->flt_region_vpd_sec;
8447 ql_dbg(ql_dbg_init, vha, 0x0110,
8448 "Loading %s nvram image.\n",
8449 active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8450 "primary" : "secondary");
8451 }
8452 ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size);
8453
8454 /* Get NVRAM data into cache and calculate checksum. */
8455 faddr = ha->flt_region_nvram;
8456 if (IS_QLA28XX(ha)) {
8457 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8458 faddr = ha->flt_region_nvram_sec;
8459 }
8460 ql_dbg(ql_dbg_init, vha, 0x0110,
8461 "Loading %s nvram image.\n",
8462 active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8463 "primary" : "secondary");
8464 ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
8465
8466 dptr = (__force __le32 *)nv;
8467 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
8468 chksum += le32_to_cpu(*dptr);
8469
8470 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
8471 "Contents of NVRAM:\n");
8472 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
8473 nv, ha->nvram_size);
8474
8475 /* Bad NVRAM data, set defaults parameters. */
8476 if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
8477 le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
8478 /* Reset NVRAM data. */
8479 ql_log(ql_log_info, vha, 0x0073,
8480 "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
8481 chksum, nv->id, le16_to_cpu(nv->nvram_version));
8482 ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv));
8483 ql_log(ql_log_info, vha, 0x0074,
8484 "Falling back to functioning (yet invalid -- WWPN) "
8485 "defaults.\n");
8486
8487 /*
8488 * Set default initialization control block.
8489 */
8490 memset(nv, 0, ha->nvram_size);
8491 nv->nvram_version = cpu_to_le16(ICB_VERSION);
8492 nv->version = cpu_to_le16(ICB_VERSION);
8493 nv->frame_payload_size = cpu_to_le16(2048);
8494 nv->execution_throttle = cpu_to_le16(0xFFFF);
8495 nv->exchange_count = cpu_to_le16(0);
8496 nv->port_name[0] = 0x21;
8497 nv->port_name[1] = 0x00 + ha->port_no + 1;
8498 nv->port_name[2] = 0x00;
8499 nv->port_name[3] = 0xe0;
8500 nv->port_name[4] = 0x8b;
8501 nv->port_name[5] = 0x1c;
8502 nv->port_name[6] = 0x55;
8503 nv->port_name[7] = 0x86;
8504 nv->node_name[0] = 0x20;
8505 nv->node_name[1] = 0x00;
8506 nv->node_name[2] = 0x00;
8507 nv->node_name[3] = 0xe0;
8508 nv->node_name[4] = 0x8b;
8509 nv->node_name[5] = 0x1c;
8510 nv->node_name[6] = 0x55;
8511 nv->node_name[7] = 0x86;
8512 nv->login_retry_count = cpu_to_le16(8);
8513 nv->interrupt_delay_timer = cpu_to_le16(0);
8514 nv->login_timeout = cpu_to_le16(0);
8515 nv->firmware_options_1 =
8516 cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
8517 nv->firmware_options_2 = cpu_to_le32(2 << 4);
8518 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
8519 nv->firmware_options_3 = cpu_to_le32(2 << 13);
8520 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
8521 nv->efi_parameters = cpu_to_le32(0);
8522 nv->reset_delay = 5;
8523 nv->max_luns_per_target = cpu_to_le16(128);
8524 nv->port_down_retry_count = cpu_to_le16(30);
8525 nv->link_down_timeout = cpu_to_le16(180);
8526 nv->enode_mac[0] = 0x00;
8527 nv->enode_mac[1] = 0xC0;
8528 nv->enode_mac[2] = 0xDD;
8529 nv->enode_mac[3] = 0x04;
8530 nv->enode_mac[4] = 0x05;
8531 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
8532
8533 rval = 1;
8534 }
8535
8536 if (IS_T10_PI_CAPABLE(ha))
8537 nv->frame_payload_size &= cpu_to_le16(~7);
8538
8539 qlt_81xx_config_nvram_stage1(vha, nv);
8540
8541 /* Reset Initialization control block */
8542 memset(icb, 0, ha->init_cb_size);
8543
8544 /* Copy 1st segment. */
8545 dptr1 = (uint8_t *)icb;
8546 dptr2 = (uint8_t *)&nv->version;
8547 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
8548 while (cnt--)
8549 *dptr1++ = *dptr2++;
8550
8551 icb->login_retry_count = nv->login_retry_count;
8552
8553 /* Copy 2nd segment. */
8554 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
8555 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
8556 cnt = (uint8_t *)&icb->reserved_5 -
8557 (uint8_t *)&icb->interrupt_delay_timer;
8558 while (cnt--)
8559 *dptr1++ = *dptr2++;
8560
8561 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
8562 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
8563 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
8564 icb->enode_mac[0] = 0x00;
8565 icb->enode_mac[1] = 0xC0;
8566 icb->enode_mac[2] = 0xDD;
8567 icb->enode_mac[3] = 0x04;
8568 icb->enode_mac[4] = 0x05;
8569 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
8570 }
8571
8572 /* Use extended-initialization control block. */
8573 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
8574 ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
8575 /*
8576 * Setup driver NVRAM options.
8577 */
8578 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
8579 "QLE8XXX");
8580
8581 qlt_81xx_config_nvram_stage2(vha, icb);
8582
8583 /* Use alternate WWN? */
8584 if (nv->host_p & cpu_to_le32(BIT_15)) {
8585 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
8586 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
8587 }
8588
8589 /* Prepare nodename */
8590 if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
8591 /*
8592 * Firmware will apply the following mask if the nodename was
8593 * not provided.
8594 */
8595 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
8596 icb->node_name[0] &= 0xF0;
8597 }
8598
8599 if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
8600 if ((nv->enhanced_features & BIT_7) == 0)
8601 ha->flags.scm_supported_a = 1;
8602 }
8603
8604 /* Set host adapter parameters. */
8605 ha->flags.disable_risc_code_load = 0;
8606 ha->flags.enable_lip_reset = 0;
8607 ha->flags.enable_lip_full_login =
8608 le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
8609 ha->flags.enable_target_reset =
8610 le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
8611 ha->flags.enable_led_scheme = 0;
8612 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
8613
8614 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
8615 (BIT_6 | BIT_5 | BIT_4)) >> 4;
8616
8617 /* save HBA serial number */
8618 ha->serial0 = icb->port_name[5];
8619 ha->serial1 = icb->port_name[6];
8620 ha->serial2 = icb->port_name[7];
8621 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
8622 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
8623
8624 icb->execution_throttle = cpu_to_le16(0xFFFF);
8625
8626 ha->retry_count = le16_to_cpu(nv->login_retry_count);
8627
8628 /* Set minimum login_timeout to 4 seconds. */
8629 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
8630 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
8631 if (le16_to_cpu(nv->login_timeout) < 4)
8632 nv->login_timeout = cpu_to_le16(4);
8633 ha->login_timeout = le16_to_cpu(nv->login_timeout);
8634
8635 /* Set minimum RATOV to 100 tenths of a second. */
8636 ha->r_a_tov = 100;
8637
8638 ha->loop_reset_delay = nv->reset_delay;
8639
8640 /* Link Down Timeout = 0:
8641 *
8642 * When Port Down timer expires we will start returning
8643 * I/O's to OS with "DID_NO_CONNECT".
8644 *
8645 * Link Down Timeout != 0:
8646 *
8647 * The driver waits for the link to come up after link down
8648 * before returning I/Os to OS with "DID_NO_CONNECT".
8649 */
8650 if (le16_to_cpu(nv->link_down_timeout) == 0) {
8651 ha->loop_down_abort_time =
8652 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
8653 } else {
8654 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
8655 ha->loop_down_abort_time =
8656 (LOOP_DOWN_TIME - ha->link_down_timeout);
8657 }
8658
8659 /* Need enough time to try and get the port back. */
8660 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8661 if (qlport_down_retry)
8662 ha->port_down_retry_count = qlport_down_retry;
8663
8664 /* Set login_retry_count */
8665 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
8666 if (ha->port_down_retry_count ==
8667 le16_to_cpu(nv->port_down_retry_count) &&
8668 ha->port_down_retry_count > 3)
8669 ha->login_retry_count = ha->port_down_retry_count;
8670 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8671 ha->login_retry_count = ha->port_down_retry_count;
8672 if (ql2xloginretrycount)
8673 ha->login_retry_count = ql2xloginretrycount;
8674
8675 /* if not running MSI-X we need handshaking on interrupts */
8676 if (!vha->hw->flags.msix_enabled &&
8677 (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)))
8678 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8679
8680 /* Enable ZIO. */
8681 if (!vha->flags.init_done) {
8682 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8683 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8684 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8685 le16_to_cpu(icb->interrupt_delay_timer) : 2;
8686 }
8687 icb->firmware_options_2 &= cpu_to_le32(
8688 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8689 vha->flags.process_response_queue = 0;
8690 if (ha->zio_mode != QLA_ZIO_DISABLED) {
8691 ha->zio_mode = QLA_ZIO_MODE_6;
8692
8693 ql_log(ql_log_info, vha, 0x0075,
8694 "ZIO mode %d enabled; timer delay (%d us).\n",
8695 ha->zio_mode,
8696 ha->zio_timer * 100);
8697
8698 icb->firmware_options_2 |= cpu_to_le32(
8699 (uint32_t)ha->zio_mode);
8700 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8701 vha->flags.process_response_queue = 1;
8702 }
8703
8704 /* enable RIDA Format2 */
8705 icb->firmware_options_3 |= cpu_to_le32(BIT_0);
8706
8707 /* N2N: driver will initiate Login instead of FW */
8708 icb->firmware_options_3 |= cpu_to_le32(BIT_8);
8709
8710 /* Determine NVMe/FCP priority for target ports */
8711 ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha);
8712
8713 if (rval) {
8714 ql_log(ql_log_warn, vha, 0x0076,
8715 "NVRAM configuration failed.\n");
8716 }
8717 return (rval);
8718 }
8719
8720 int
8721 qla82xx_restart_isp(scsi_qla_host_t *vha)
8722 {
8723 int status, rval;
8724 struct qla_hw_data *ha = vha->hw;
8725 struct scsi_qla_host *vp;
8726 unsigned long flags;
8727
8728 status = qla2x00_init_rings(vha);
8729 if (!status) {
8730 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8731 ha->flags.chip_reset_done = 1;
8732
8733 status = qla2x00_fw_ready(vha);
8734 if (!status) {
8735 /* Issue a marker after FW becomes ready. */
8736 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8737 vha->flags.online = 1;
8738 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8739 }
8740
8741 /* if no cable then assume it's good */
8742 if ((vha->device_flags & DFLG_NO_CABLE))
8743 status = 0;
8744 }
8745
8746 if (!status) {
8747 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8748
8749 if (!atomic_read(&vha->loop_down_timer)) {
8750 /*
8751 * Issue marker command only when we are going
8752 * to start the I/O .
8753 */
8754 vha->marker_needed = 1;
8755 }
8756
8757 ha->isp_ops->enable_intrs(ha);
8758
8759 ha->isp_abort_cnt = 0;
8760 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
8761
8762 /* Update the firmware version */
8763 status = qla82xx_check_md_needed(vha);
8764
8765 if (ha->fce) {
8766 ha->flags.fce_enabled = 1;
8767 memset(ha->fce, 0,
8768 fce_calc_size(ha->fce_bufs));
8769 rval = qla2x00_enable_fce_trace(vha,
8770 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
8771 &ha->fce_bufs);
8772 if (rval) {
8773 ql_log(ql_log_warn, vha, 0x8001,
8774 "Unable to reinitialize FCE (%d).\n",
8775 rval);
8776 ha->flags.fce_enabled = 0;
8777 }
8778 }
8779
8780 if (ha->eft) {
8781 memset(ha->eft, 0, EFT_SIZE);
8782 rval = qla2x00_enable_eft_trace(vha,
8783 ha->eft_dma, EFT_NUM_BUFFERS);
8784 if (rval) {
8785 ql_log(ql_log_warn, vha, 0x8010,
8786 "Unable to reinitialize EFT (%d).\n",
8787 rval);
8788 }
8789 }
8790 }
8791
8792 if (!status) {
8793 ql_dbg(ql_dbg_taskm, vha, 0x8011,
8794 "qla82xx_restart_isp succeeded.\n");
8795
8796 spin_lock_irqsave(&ha->vport_slock, flags);
8797 list_for_each_entry(vp, &ha->vp_list, list) {
8798 if (vp->vp_idx) {
8799 atomic_inc(&vp->vref_count);
8800 spin_unlock_irqrestore(&ha->vport_slock, flags);
8801
8802 qla2x00_vp_abort_isp(vp);
8803
8804 spin_lock_irqsave(&ha->vport_slock, flags);
8805 atomic_dec(&vp->vref_count);
8806 }
8807 }
8808 spin_unlock_irqrestore(&ha->vport_slock, flags);
8809
8810 } else {
8811 ql_log(ql_log_warn, vha, 0x8016,
8812 "qla82xx_restart_isp **** FAILED ****.\n");
8813 }
8814
8815 return status;
8816 }
8817
8818 /*
8819 * qla24xx_get_fcp_prio
8820 * Gets the fcp cmd priority value for the logged in port.
8821 * Looks for a match of the port descriptors within
8822 * each of the fcp prio config entries. If a match is found,
8823 * the tag (priority) value is returned.
8824 *
8825 * Input:
8826 * vha = scsi host structure pointer.
8827 * fcport = port structure pointer.
8828 *
8829 * Return:
8830 * non-zero (if found)
8831 * -1 (if not found)
8832 *
8833 * Context:
8834 * Kernel context
8835 */
8836 static int
8837 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8838 {
8839 int i, entries;
8840 uint8_t pid_match, wwn_match;
8841 int priority;
8842 uint32_t pid1, pid2;
8843 uint64_t wwn1, wwn2;
8844 struct qla_fcp_prio_entry *pri_entry;
8845 struct qla_hw_data *ha = vha->hw;
8846
8847 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
8848 return -1;
8849
8850 priority = -1;
8851 entries = ha->fcp_prio_cfg->num_entries;
8852 pri_entry = &ha->fcp_prio_cfg->entry[0];
8853
8854 for (i = 0; i < entries; i++) {
8855 pid_match = wwn_match = 0;
8856
8857 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
8858 pri_entry++;
8859 continue;
8860 }
8861
8862 /* check source pid for a match */
8863 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
8864 pid1 = pri_entry->src_pid & INVALID_PORT_ID;
8865 pid2 = vha->d_id.b24 & INVALID_PORT_ID;
8866 if (pid1 == INVALID_PORT_ID)
8867 pid_match++;
8868 else if (pid1 == pid2)
8869 pid_match++;
8870 }
8871
8872 /* check destination pid for a match */
8873 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
8874 pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
8875 pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
8876 if (pid1 == INVALID_PORT_ID)
8877 pid_match++;
8878 else if (pid1 == pid2)
8879 pid_match++;
8880 }
8881
8882 /* check source WWN for a match */
8883 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
8884 wwn1 = wwn_to_u64(vha->port_name);
8885 wwn2 = wwn_to_u64(pri_entry->src_wwpn);
8886 if (wwn2 == (uint64_t)-1)
8887 wwn_match++;
8888 else if (wwn1 == wwn2)
8889 wwn_match++;
8890 }
8891
8892 /* check destination WWN for a match */
8893 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
8894 wwn1 = wwn_to_u64(fcport->port_name);
8895 wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
8896 if (wwn2 == (uint64_t)-1)
8897 wwn_match++;
8898 else if (wwn1 == wwn2)
8899 wwn_match++;
8900 }
8901
8902 if (pid_match == 2 || wwn_match == 2) {
8903 /* Found a matching entry */
8904 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
8905 priority = pri_entry->tag;
8906 break;
8907 }
8908
8909 pri_entry++;
8910 }
8911
8912 return priority;
8913 }
8914
8915 /*
8916 * qla24xx_update_fcport_fcp_prio
8917 * Activates fcp priority for the logged in fc port
8918 *
8919 * Input:
8920 * vha = scsi host structure pointer.
8921 * fcp = port structure pointer.
8922 *
8923 * Return:
8924 * QLA_SUCCESS or QLA_FUNCTION_FAILED
8925 *
8926 * Context:
8927 * Kernel context.
8928 */
8929 int
8930 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8931 {
8932 int ret;
8933 int priority;
8934 uint16_t mb[5];
8935
8936 if (fcport->port_type != FCT_TARGET ||
8937 fcport->loop_id == FC_NO_LOOP_ID)
8938 return QLA_FUNCTION_FAILED;
8939
8940 priority = qla24xx_get_fcp_prio(vha, fcport);
8941 if (priority < 0)
8942 return QLA_FUNCTION_FAILED;
8943
8944 if (IS_P3P_TYPE(vha->hw)) {
8945 fcport->fcp_prio = priority & 0xf;
8946 return QLA_SUCCESS;
8947 }
8948
8949 ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
8950 if (ret == QLA_SUCCESS) {
8951 if (fcport->fcp_prio != priority)
8952 ql_dbg(ql_dbg_user, vha, 0x709e,
8953 "Updated FCP_CMND priority - value=%d loop_id=%d "
8954 "port_id=%02x%02x%02x.\n", priority,
8955 fcport->loop_id, fcport->d_id.b.domain,
8956 fcport->d_id.b.area, fcport->d_id.b.al_pa);
8957 fcport->fcp_prio = priority & 0xf;
8958 } else
8959 ql_dbg(ql_dbg_user, vha, 0x704f,
8960 "Unable to update FCP_CMND priority - ret=0x%x for "
8961 "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
8962 fcport->d_id.b.domain, fcport->d_id.b.area,
8963 fcport->d_id.b.al_pa);
8964 return ret;
8965 }
8966
8967 /*
8968 * qla24xx_update_all_fcp_prio
8969 * Activates fcp priority for all the logged in ports
8970 *
8971 * Input:
8972 * ha = adapter block pointer.
8973 *
8974 * Return:
8975 * QLA_SUCCESS or QLA_FUNCTION_FAILED
8976 *
8977 * Context:
8978 * Kernel context.
8979 */
8980 int
8981 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
8982 {
8983 int ret;
8984 fc_port_t *fcport;
8985
8986 ret = QLA_FUNCTION_FAILED;
8987 /* We need to set priority for all logged in ports */
8988 list_for_each_entry(fcport, &vha->vp_fcports, list)
8989 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
8990
8991 return ret;
8992 }
8993
8994 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
8995 int vp_idx, bool startqp)
8996 {
8997 int rsp_id = 0;
8998 int req_id = 0;
8999 int i;
9000 struct qla_hw_data *ha = vha->hw;
9001 uint16_t qpair_id = 0;
9002 struct qla_qpair *qpair = NULL;
9003 struct qla_msix_entry *msix;
9004
9005 if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
9006 ql_log(ql_log_warn, vha, 0x00181,
9007 "FW/Driver is not multi-queue capable.\n");
9008 return NULL;
9009 }
9010
9011 if (ql2xmqsupport || ql2xnvmeenable) {
9012 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
9013 if (qpair == NULL) {
9014 ql_log(ql_log_warn, vha, 0x0182,
9015 "Failed to allocate memory for queue pair.\n");
9016 return NULL;
9017 }
9018
9019 qpair->hw = vha->hw;
9020 qpair->vha = vha;
9021 qpair->qp_lock_ptr = &qpair->qp_lock;
9022 spin_lock_init(&qpair->qp_lock);
9023 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
9024
9025 /* Assign available que pair id */
9026 mutex_lock(&ha->mq_lock);
9027 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
9028 if (ha->num_qpairs >= ha->max_qpairs) {
9029 mutex_unlock(&ha->mq_lock);
9030 ql_log(ql_log_warn, vha, 0x0183,
9031 "No resources to create additional q pair.\n");
9032 goto fail_qid_map;
9033 }
9034 ha->num_qpairs++;
9035 set_bit(qpair_id, ha->qpair_qid_map);
9036 ha->queue_pair_map[qpair_id] = qpair;
9037 qpair->id = qpair_id;
9038 qpair->vp_idx = vp_idx;
9039 qpair->fw_started = ha->flags.fw_started;
9040 INIT_LIST_HEAD(&qpair->hints_list);
9041 qpair->chip_reset = ha->base_qpair->chip_reset;
9042 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
9043 qpair->enable_explicit_conf =
9044 ha->base_qpair->enable_explicit_conf;
9045
9046 for (i = 0; i < ha->msix_count; i++) {
9047 msix = &ha->msix_entries[i];
9048 if (msix->in_use)
9049 continue;
9050 qpair->msix = msix;
9051 ql_dbg(ql_dbg_multiq, vha, 0xc00f,
9052 "Vector %x selected for qpair\n", msix->vector);
9053 break;
9054 }
9055 if (!qpair->msix) {
9056 ql_log(ql_log_warn, vha, 0x0184,
9057 "Out of MSI-X vectors!.\n");
9058 goto fail_msix;
9059 }
9060
9061 qpair->msix->in_use = 1;
9062 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
9063 qpair->pdev = ha->pdev;
9064 if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
9065 qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
9066
9067 mutex_unlock(&ha->mq_lock);
9068
9069 /* Create response queue first */
9070 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
9071 if (!rsp_id) {
9072 ql_log(ql_log_warn, vha, 0x0185,
9073 "Failed to create response queue.\n");
9074 goto fail_rsp;
9075 }
9076
9077 qpair->rsp = ha->rsp_q_map[rsp_id];
9078
9079 /* Create request queue */
9080 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
9081 startqp);
9082 if (!req_id) {
9083 ql_log(ql_log_warn, vha, 0x0186,
9084 "Failed to create request queue.\n");
9085 goto fail_req;
9086 }
9087
9088 qpair->req = ha->req_q_map[req_id];
9089 qpair->rsp->req = qpair->req;
9090 qpair->rsp->qpair = qpair;
9091 /* init qpair to this cpu. Will adjust at run time. */
9092 qla_cpu_update(qpair, smp_processor_id());
9093
9094 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
9095 if (ha->fw_attributes & BIT_4)
9096 qpair->difdix_supported = 1;
9097 }
9098
9099 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
9100 if (!qpair->srb_mempool) {
9101 ql_log(ql_log_warn, vha, 0xd036,
9102 "Failed to create srb mempool for qpair %d\n",
9103 qpair->id);
9104 goto fail_mempool;
9105 }
9106
9107 /* Mark as online */
9108 qpair->online = 1;
9109
9110 if (!vha->flags.qpairs_available)
9111 vha->flags.qpairs_available = 1;
9112
9113 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
9114 "Request/Response queue pair created, id %d\n",
9115 qpair->id);
9116 ql_dbg(ql_dbg_init, vha, 0x0187,
9117 "Request/Response queue pair created, id %d\n",
9118 qpair->id);
9119 }
9120 return qpair;
9121
9122 fail_mempool:
9123 fail_req:
9124 qla25xx_delete_rsp_que(vha, qpair->rsp);
9125 fail_rsp:
9126 mutex_lock(&ha->mq_lock);
9127 qpair->msix->in_use = 0;
9128 list_del(&qpair->qp_list_elem);
9129 if (list_empty(&vha->qp_list))
9130 vha->flags.qpairs_available = 0;
9131 fail_msix:
9132 ha->queue_pair_map[qpair_id] = NULL;
9133 clear_bit(qpair_id, ha->qpair_qid_map);
9134 ha->num_qpairs--;
9135 mutex_unlock(&ha->mq_lock);
9136 fail_qid_map:
9137 kfree(qpair);
9138 return NULL;
9139 }
9140
9141 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
9142 {
9143 int ret = QLA_FUNCTION_FAILED;
9144 struct qla_hw_data *ha = qpair->hw;
9145
9146 qpair->delete_in_progress = 1;
9147
9148 ret = qla25xx_delete_req_que(vha, qpair->req);
9149 if (ret != QLA_SUCCESS)
9150 goto fail;
9151
9152 ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
9153 if (ret != QLA_SUCCESS)
9154 goto fail;
9155
9156 mutex_lock(&ha->mq_lock);
9157 ha->queue_pair_map[qpair->id] = NULL;
9158 clear_bit(qpair->id, ha->qpair_qid_map);
9159 ha->num_qpairs--;
9160 list_del(&qpair->qp_list_elem);
9161 if (list_empty(&vha->qp_list)) {
9162 vha->flags.qpairs_available = 0;
9163 vha->flags.qpairs_req_created = 0;
9164 vha->flags.qpairs_rsp_created = 0;
9165 }
9166 mempool_destroy(qpair->srb_mempool);
9167 kfree(qpair);
9168 mutex_unlock(&ha->mq_lock);
9169
9170 return QLA_SUCCESS;
9171 fail:
9172 return ret;
9173 }
Linux with added FPC-III support