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UBUNTU: Ubuntu-4.13.0-45.50
[mirror_ubuntu-artful-kernel.git] / drivers / scsi / qla2xxx / qla_init.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8 #include "qla_gbl.h"
9
10 #include <linux/delay.h>
11 #include <linux/slab.h>
12 #include <linux/vmalloc.h>
13
14 #include "qla_devtbl.h"
15
16 #ifdef CONFIG_SPARC
17 #include <asm/prom.h>
18 #endif
19
20 #include <target/target_core_base.h>
21 #include "qla_target.h"
22
23 /*
24 * QLogic ISP2x00 Hardware Support Function Prototypes.
25 */
26 static int qla2x00_isp_firmware(scsi_qla_host_t *);
27 static int qla2x00_setup_chip(scsi_qla_host_t *);
28 static int qla2x00_fw_ready(scsi_qla_host_t *);
29 static int qla2x00_configure_hba(scsi_qla_host_t *);
30 static int qla2x00_configure_loop(scsi_qla_host_t *);
31 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
32 static int qla2x00_configure_fabric(scsi_qla_host_t *);
33 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *);
34 static int qla2x00_restart_isp(scsi_qla_host_t *);
35
36 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
37 static int qla84xx_init_chip(scsi_qla_host_t *);
38 static int qla25xx_init_queues(struct qla_hw_data *);
39 static int qla24xx_post_gpdb_work(struct scsi_qla_host *, fc_port_t *, u8);
40 static int qla24xx_post_prli_work(struct scsi_qla_host*, fc_port_t *);
41 static void qla24xx_handle_plogi_done_event(struct scsi_qla_host *,
42 struct event_arg *);
43 static void qla24xx_handle_prli_done_event(struct scsi_qla_host *,
44 struct event_arg *);
45
46 /* SRB Extensions ---------------------------------------------------------- */
47
48 void
49 qla2x00_sp_timeout(unsigned long __data)
50 {
51 srb_t *sp = (srb_t *)__data;
52 struct srb_iocb *iocb;
53 scsi_qla_host_t *vha = sp->vha;
54 struct req_que *req;
55 unsigned long flags;
56
57 spin_lock_irqsave(&vha->hw->hardware_lock, flags);
58 req = vha->hw->req_q_map[0];
59 req->outstanding_cmds[sp->handle] = NULL;
60 iocb = &sp->u.iocb_cmd;
61 iocb->timeout(sp);
62 sp->free(sp);
63 spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
64 }
65
66 void
67 qla2x00_sp_free(void *ptr)
68 {
69 srb_t *sp = ptr;
70 struct srb_iocb *iocb = &sp->u.iocb_cmd;
71
72 del_timer(&iocb->timer);
73 qla2x00_rel_sp(sp);
74 }
75
76 /* Asynchronous Login/Logout Routines -------------------------------------- */
77
78 unsigned long
79 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
80 {
81 unsigned long tmo;
82 struct qla_hw_data *ha = vha->hw;
83
84 /* Firmware should use switch negotiated r_a_tov for timeout. */
85 tmo = ha->r_a_tov / 10 * 2;
86 if (IS_QLAFX00(ha)) {
87 tmo = FX00_DEF_RATOV * 2;
88 } else if (!IS_FWI2_CAPABLE(ha)) {
89 /*
90 * Except for earlier ISPs where the timeout is seeded from the
91 * initialization control block.
92 */
93 tmo = ha->login_timeout;
94 }
95 return tmo;
96 }
97
98 void
99 qla2x00_async_iocb_timeout(void *data)
100 {
101 srb_t *sp = data;
102 fc_port_t *fcport = sp->fcport;
103 struct srb_iocb *lio = &sp->u.iocb_cmd;
104 struct event_arg ea;
105
106 ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
107 "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
108 sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
109
110 fcport->flags &= ~FCF_ASYNC_SENT;
111
112 switch (sp->type) {
113 case SRB_LOGIN_CMD:
114 /* Retry as needed. */
115 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
116 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
117 QLA_LOGIO_LOGIN_RETRIED : 0;
118 memset(&ea, 0, sizeof(ea));
119 ea.event = FCME_PLOGI_DONE;
120 ea.fcport = sp->fcport;
121 ea.data[0] = lio->u.logio.data[0];
122 ea.data[1] = lio->u.logio.data[1];
123 ea.sp = sp;
124 qla24xx_handle_plogi_done_event(fcport->vha, &ea);
125 break;
126 case SRB_LOGOUT_CMD:
127 qlt_logo_completion_handler(fcport, QLA_FUNCTION_TIMEOUT);
128 break;
129 case SRB_CT_PTHRU_CMD:
130 case SRB_MB_IOCB:
131 case SRB_NACK_PLOGI:
132 case SRB_NACK_PRLI:
133 case SRB_NACK_LOGO:
134 sp->done(sp, QLA_FUNCTION_TIMEOUT);
135 break;
136 }
137 }
138
139 static void
140 qla2x00_async_login_sp_done(void *ptr, int res)
141 {
142 srb_t *sp = ptr;
143 struct scsi_qla_host *vha = sp->vha;
144 struct srb_iocb *lio = &sp->u.iocb_cmd;
145 struct event_arg ea;
146
147 ql_dbg(ql_dbg_disc, vha, 0x20dd,
148 "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
149
150 sp->fcport->flags &= ~FCF_ASYNC_SENT;
151 if (!test_bit(UNLOADING, &vha->dpc_flags)) {
152 memset(&ea, 0, sizeof(ea));
153 ea.event = FCME_PLOGI_DONE;
154 ea.fcport = sp->fcport;
155 ea.data[0] = lio->u.logio.data[0];
156 ea.data[1] = lio->u.logio.data[1];
157 ea.iop[0] = lio->u.logio.iop[0];
158 ea.iop[1] = lio->u.logio.iop[1];
159 ea.sp = sp;
160 qla2x00_fcport_event_handler(vha, &ea);
161 }
162
163 sp->free(sp);
164 }
165
166 int
167 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
168 uint16_t *data)
169 {
170 srb_t *sp;
171 struct srb_iocb *lio;
172 int rval = QLA_FUNCTION_FAILED;
173
174 if (!vha->flags.online)
175 goto done;
176
177 if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
178 (fcport->fw_login_state == DSC_LS_PLOGI_COMP) ||
179 (fcport->fw_login_state == DSC_LS_PRLI_PEND))
180 goto done;
181
182 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
183 if (!sp)
184 goto done;
185
186 fcport->flags |= FCF_ASYNC_SENT;
187 fcport->logout_completed = 0;
188
189 sp->type = SRB_LOGIN_CMD;
190 sp->name = "login";
191 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
192
193 lio = &sp->u.iocb_cmd;
194 lio->timeout = qla2x00_async_iocb_timeout;
195 sp->done = qla2x00_async_login_sp_done;
196 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
197
198 if (fcport->fc4f_nvme)
199 lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
200
201 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
202 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
203 rval = qla2x00_start_sp(sp);
204 if (rval != QLA_SUCCESS) {
205 fcport->flags &= ~FCF_ASYNC_SENT;
206 fcport->flags |= FCF_LOGIN_NEEDED;
207 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
208 goto done_free_sp;
209 }
210
211 ql_dbg(ql_dbg_disc, vha, 0x2072,
212 "Async-login - %8phC hdl=%x, loopid=%x portid=%02x%02x%02x "
213 "retries=%d.\n", fcport->port_name, sp->handle, fcport->loop_id,
214 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
215 fcport->login_retry);
216 return rval;
217
218 done_free_sp:
219 sp->free(sp);
220 done:
221 fcport->flags &= ~FCF_ASYNC_SENT;
222 return rval;
223 }
224
225 static void
226 qla2x00_async_logout_sp_done(void *ptr, int res)
227 {
228 srb_t *sp = ptr;
229 struct srb_iocb *lio = &sp->u.iocb_cmd;
230
231 sp->fcport->flags &= ~FCF_ASYNC_SENT;
232 if (!test_bit(UNLOADING, &sp->vha->dpc_flags))
233 qla2x00_post_async_logout_done_work(sp->vha, sp->fcport,
234 lio->u.logio.data);
235 sp->free(sp);
236 }
237
238 int
239 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
240 {
241 srb_t *sp;
242 struct srb_iocb *lio;
243 int rval;
244
245 rval = QLA_FUNCTION_FAILED;
246 fcport->flags |= FCF_ASYNC_SENT;
247 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
248 if (!sp)
249 goto done;
250
251 sp->type = SRB_LOGOUT_CMD;
252 sp->name = "logout";
253 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
254
255 lio = &sp->u.iocb_cmd;
256 lio->timeout = qla2x00_async_iocb_timeout;
257 sp->done = qla2x00_async_logout_sp_done;
258 rval = qla2x00_start_sp(sp);
259 if (rval != QLA_SUCCESS)
260 goto done_free_sp;
261
262 ql_dbg(ql_dbg_disc, vha, 0x2070,
263 "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC.\n",
264 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
265 fcport->d_id.b.area, fcport->d_id.b.al_pa,
266 fcport->port_name);
267 return rval;
268
269 done_free_sp:
270 sp->free(sp);
271 done:
272 fcport->flags &= ~FCF_ASYNC_SENT;
273 return rval;
274 }
275
276 static void
277 qla2x00_async_adisc_sp_done(void *ptr, int res)
278 {
279 srb_t *sp = ptr;
280 struct scsi_qla_host *vha = sp->vha;
281 struct srb_iocb *lio = &sp->u.iocb_cmd;
282
283 if (!test_bit(UNLOADING, &vha->dpc_flags))
284 qla2x00_post_async_adisc_done_work(sp->vha, sp->fcport,
285 lio->u.logio.data);
286 sp->free(sp);
287 }
288
289 int
290 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
291 uint16_t *data)
292 {
293 srb_t *sp;
294 struct srb_iocb *lio;
295 int rval;
296
297 rval = QLA_FUNCTION_FAILED;
298 fcport->flags |= FCF_ASYNC_SENT;
299 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
300 if (!sp)
301 goto done;
302
303 sp->type = SRB_ADISC_CMD;
304 sp->name = "adisc";
305 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
306
307 lio = &sp->u.iocb_cmd;
308 lio->timeout = qla2x00_async_iocb_timeout;
309 sp->done = qla2x00_async_adisc_sp_done;
310 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
311 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
312 rval = qla2x00_start_sp(sp);
313 if (rval != QLA_SUCCESS)
314 goto done_free_sp;
315
316 ql_dbg(ql_dbg_disc, vha, 0x206f,
317 "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
318 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
319 fcport->d_id.b.area, fcport->d_id.b.al_pa);
320 return rval;
321
322 done_free_sp:
323 sp->free(sp);
324 done:
325 fcport->flags &= ~FCF_ASYNC_SENT;
326 return rval;
327 }
328
329 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
330 struct event_arg *ea)
331 {
332 fc_port_t *fcport, *conflict_fcport;
333 struct get_name_list_extended *e;
334 u16 i, n, found = 0, loop_id;
335 port_id_t id;
336 u64 wwn;
337 u8 opt = 0, current_login_state;
338
339 fcport = ea->fcport;
340
341 if (ea->rc) { /* rval */
342 if (fcport->login_retry == 0) {
343 fcport->login_retry = vha->hw->login_retry_count;
344 ql_dbg(ql_dbg_disc, vha, 0x20de,
345 "GNL failed Port login retry %8phN, retry cnt=%d.\n",
346 fcport->port_name, fcport->login_retry);
347 }
348 return;
349 }
350
351 if (fcport->last_rscn_gen != fcport->rscn_gen) {
352 ql_dbg(ql_dbg_disc, vha, 0x20df,
353 "%s %8phC rscn gen changed rscn %d|%d \n",
354 __func__, fcport->port_name,
355 fcport->last_rscn_gen, fcport->rscn_gen);
356 qla24xx_post_gidpn_work(vha, fcport);
357 return;
358 } else if (fcport->last_login_gen != fcport->login_gen) {
359 ql_dbg(ql_dbg_disc, vha, 0x20e0,
360 "%s %8phC login gen changed login %d|%d\n",
361 __func__, fcport->port_name,
362 fcport->last_login_gen, fcport->login_gen);
363 return;
364 }
365
366 n = ea->data[0] / sizeof(struct get_name_list_extended);
367
368 ql_dbg(ql_dbg_disc, vha, 0x20e1,
369 "%s %d %8phC n %d %02x%02x%02x lid %d \n",
370 __func__, __LINE__, fcport->port_name, n,
371 fcport->d_id.b.domain, fcport->d_id.b.area,
372 fcport->d_id.b.al_pa, fcport->loop_id);
373
374 for (i = 0; i < n; i++) {
375 e = &vha->gnl.l[i];
376 wwn = wwn_to_u64(e->port_name);
377
378 if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
379 continue;
380
381 found = 1;
382 id.b.domain = e->port_id[2];
383 id.b.area = e->port_id[1];
384 id.b.al_pa = e->port_id[0];
385 id.b.rsvd_1 = 0;
386
387 loop_id = le16_to_cpu(e->nport_handle);
388 loop_id = (loop_id & 0x7fff);
389
390 ql_dbg(ql_dbg_disc, vha, 0x20e2,
391 "%s found %8phC CLS [%d|%d] ID[%02x%02x%02x|%02x%02x%02x] lid[%d|%d]\n",
392 __func__, fcport->port_name,
393 e->current_login_state, fcport->fw_login_state,
394 id.b.domain, id.b.area, id.b.al_pa,
395 fcport->d_id.b.domain, fcport->d_id.b.area,
396 fcport->d_id.b.al_pa, loop_id, fcport->loop_id);
397
398 if ((id.b24 != fcport->d_id.b24) ||
399 ((fcport->loop_id != FC_NO_LOOP_ID) &&
400 (fcport->loop_id != loop_id))) {
401 ql_dbg(ql_dbg_disc, vha, 0x20e3,
402 "%s %d %8phC post del sess\n",
403 __func__, __LINE__, fcport->port_name);
404 qlt_schedule_sess_for_deletion(fcport, 1);
405 return;
406 }
407
408 fcport->loop_id = loop_id;
409
410 wwn = wwn_to_u64(fcport->port_name);
411 qlt_find_sess_invalidate_other(vha, wwn,
412 id, loop_id, &conflict_fcport);
413
414 if (conflict_fcport) {
415 /*
416 * Another share fcport share the same loop_id &
417 * nport id. Conflict fcport needs to finish
418 * cleanup before this fcport can proceed to login.
419 */
420 conflict_fcport->conflict = fcport;
421 fcport->login_pause = 1;
422 }
423
424 if (fcport->fc4f_nvme)
425 current_login_state = e->current_login_state >> 4;
426 else
427 current_login_state = e->current_login_state & 0xf;
428
429 switch (current_login_state) {
430 case DSC_LS_PRLI_COMP:
431 ql_dbg(ql_dbg_disc, vha, 0x20e4,
432 "%s %d %8phC post gpdb\n",
433 __func__, __LINE__, fcport->port_name);
434 opt = PDO_FORCE_ADISC;
435 qla24xx_post_gpdb_work(vha, fcport, opt);
436 break;
437 case DSC_LS_PORT_UNAVAIL:
438 default:
439 if (fcport->loop_id == FC_NO_LOOP_ID) {
440 qla2x00_find_new_loop_id(vha, fcport);
441 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
442 }
443 ql_dbg(ql_dbg_disc, vha, 0x20e5,
444 "%s %d %8phC\n",
445 __func__, __LINE__, fcport->port_name);
446 qla24xx_fcport_handle_login(vha, fcport);
447 break;
448 }
449 }
450
451 if (!found) {
452 /* fw has no record of this port */
453 if (fcport->loop_id == FC_NO_LOOP_ID) {
454 qla2x00_find_new_loop_id(vha, fcport);
455 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
456 } else {
457 for (i = 0; i < n; i++) {
458 e = &vha->gnl.l[i];
459 id.b.domain = e->port_id[0];
460 id.b.area = e->port_id[1];
461 id.b.al_pa = e->port_id[2];
462 id.b.rsvd_1 = 0;
463 loop_id = le16_to_cpu(e->nport_handle);
464
465 if (fcport->d_id.b24 == id.b24) {
466 conflict_fcport =
467 qla2x00_find_fcport_by_wwpn(vha,
468 e->port_name, 0);
469
470 ql_dbg(ql_dbg_disc, vha, 0x20e6,
471 "%s %d %8phC post del sess\n",
472 __func__, __LINE__,
473 conflict_fcport->port_name);
474 qlt_schedule_sess_for_deletion
475 (conflict_fcport, 1);
476 }
477
478 if (fcport->loop_id == loop_id) {
479 /* FW already picked this loop id for another fcport */
480 qla2x00_find_new_loop_id(vha, fcport);
481 }
482 }
483 }
484 qla24xx_fcport_handle_login(vha, fcport);
485 }
486 } /* gnl_event */
487
488 static void
489 qla24xx_async_gnl_sp_done(void *s, int res)
490 {
491 struct srb *sp = s;
492 struct scsi_qla_host *vha = sp->vha;
493 unsigned long flags;
494 struct fc_port *fcport = NULL, *tf;
495 u16 i, n = 0, loop_id;
496 struct event_arg ea;
497 struct get_name_list_extended *e;
498 u64 wwn;
499 struct list_head h;
500
501 ql_dbg(ql_dbg_disc, vha, 0x20e7,
502 "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
503 sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
504 sp->u.iocb_cmd.u.mbx.in_mb[2]);
505
506 memset(&ea, 0, sizeof(ea));
507 ea.sp = sp;
508 ea.rc = res;
509 ea.event = FCME_GNL_DONE;
510
511 if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
512 sizeof(struct get_name_list_extended)) {
513 n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
514 sizeof(struct get_name_list_extended);
515 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
516 }
517
518 for (i = 0; i < n; i++) {
519 e = &vha->gnl.l[i];
520 loop_id = le16_to_cpu(e->nport_handle);
521 /* mask out reserve bit */
522 loop_id = (loop_id & 0x7fff);
523 set_bit(loop_id, vha->hw->loop_id_map);
524 wwn = wwn_to_u64(e->port_name);
525
526 ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x20e8,
527 "%s %8phC %02x:%02x:%02x state %d/%d lid %x \n",
528 __func__, (void *)&wwn, e->port_id[2], e->port_id[1],
529 e->port_id[0], e->current_login_state, e->last_login_state,
530 (loop_id & 0x7fff));
531 }
532
533 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
534 vha->gnl.sent = 0;
535
536 INIT_LIST_HEAD(&h);
537 fcport = tf = NULL;
538 if (!list_empty(&vha->gnl.fcports))
539 list_splice_init(&vha->gnl.fcports, &h);
540
541 list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
542 list_del_init(&fcport->gnl_entry);
543 fcport->flags &= ~FCF_ASYNC_SENT;
544 ea.fcport = fcport;
545
546 qla2x00_fcport_event_handler(vha, &ea);
547 }
548
549 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
550
551 sp->free(sp);
552 }
553
554 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
555 {
556 srb_t *sp;
557 struct srb_iocb *mbx;
558 int rval = QLA_FUNCTION_FAILED;
559 unsigned long flags;
560 u16 *mb;
561
562 if (!vha->flags.online)
563 goto done;
564
565 ql_dbg(ql_dbg_disc, vha, 0x20d9,
566 "Async-gnlist WWPN %8phC \n", fcport->port_name);
567
568 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
569 fcport->flags |= FCF_ASYNC_SENT;
570 fcport->disc_state = DSC_GNL;
571 fcport->last_rscn_gen = fcport->rscn_gen;
572 fcport->last_login_gen = fcport->login_gen;
573
574 list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
575 if (vha->gnl.sent) {
576 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
577 rval = QLA_SUCCESS;
578 goto done;
579 }
580 vha->gnl.sent = 1;
581 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
582
583 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
584 if (!sp)
585 goto done;
586 sp->type = SRB_MB_IOCB;
587 sp->name = "gnlist";
588 sp->gen1 = fcport->rscn_gen;
589 sp->gen2 = fcport->login_gen;
590
591 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
592
593 mb = sp->u.iocb_cmd.u.mbx.out_mb;
594 mb[0] = MBC_PORT_NODE_NAME_LIST;
595 mb[1] = BIT_2 | BIT_3;
596 mb[2] = MSW(vha->gnl.ldma);
597 mb[3] = LSW(vha->gnl.ldma);
598 mb[6] = MSW(MSD(vha->gnl.ldma));
599 mb[7] = LSW(MSD(vha->gnl.ldma));
600 mb[8] = vha->gnl.size;
601 mb[9] = vha->vp_idx;
602
603 mbx = &sp->u.iocb_cmd;
604 mbx->timeout = qla2x00_async_iocb_timeout;
605
606 sp->done = qla24xx_async_gnl_sp_done;
607
608 rval = qla2x00_start_sp(sp);
609 if (rval != QLA_SUCCESS)
610 goto done_free_sp;
611
612 ql_dbg(ql_dbg_disc, vha, 0x20da,
613 "Async-%s - OUT WWPN %8phC hndl %x\n",
614 sp->name, fcport->port_name, sp->handle);
615
616 return rval;
617
618 done_free_sp:
619 sp->free(sp);
620 done:
621 fcport->flags &= ~FCF_ASYNC_SENT;
622 return rval;
623 }
624
625 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
626 {
627 struct qla_work_evt *e;
628
629 e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
630 if (!e)
631 return QLA_FUNCTION_FAILED;
632
633 e->u.fcport.fcport = fcport;
634 return qla2x00_post_work(vha, e);
635 }
636
637 static
638 void qla24xx_async_gpdb_sp_done(void *s, int res)
639 {
640 struct srb *sp = s;
641 struct scsi_qla_host *vha = sp->vha;
642 struct qla_hw_data *ha = vha->hw;
643 struct port_database_24xx *pd;
644 fc_port_t *fcport = sp->fcport;
645 u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
646 int rval = QLA_SUCCESS;
647 struct event_arg ea;
648
649 ql_dbg(ql_dbg_disc, vha, 0x20db,
650 "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
651 sp->name, res, fcport->port_name, mb[1], mb[2]);
652
653 fcport->flags &= ~FCF_ASYNC_SENT;
654
655 if (res) {
656 rval = res;
657 goto gpd_error_out;
658 }
659
660 pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
661
662 rval = __qla24xx_parse_gpdb(vha, fcport, pd);
663
664 gpd_error_out:
665 memset(&ea, 0, sizeof(ea));
666 ea.event = FCME_GPDB_DONE;
667 ea.rc = rval;
668 ea.fcport = fcport;
669 ea.sp = sp;
670
671 qla2x00_fcport_event_handler(vha, &ea);
672
673 dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
674 sp->u.iocb_cmd.u.mbx.in_dma);
675
676 sp->free(sp);
677 }
678
679 static int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
680 {
681 struct qla_work_evt *e;
682
683 e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
684 if (!e)
685 return QLA_FUNCTION_FAILED;
686
687 e->u.fcport.fcport = fcport;
688
689 return qla2x00_post_work(vha, e);
690 }
691
692 static void
693 qla2x00_async_prli_sp_done(void *ptr, int res)
694 {
695 srb_t *sp = ptr;
696 struct scsi_qla_host *vha = sp->vha;
697 struct srb_iocb *lio = &sp->u.iocb_cmd;
698 struct event_arg ea;
699
700 ql_dbg(ql_dbg_disc, vha, 0x2129,
701 "%s %8phC res %d \n", __func__,
702 sp->fcport->port_name, res);
703
704 sp->fcport->flags &= ~FCF_ASYNC_SENT;
705
706 if (!test_bit(UNLOADING, &vha->dpc_flags)) {
707 memset(&ea, 0, sizeof(ea));
708 ea.event = FCME_PRLI_DONE;
709 ea.fcport = sp->fcport;
710 ea.data[0] = lio->u.logio.data[0];
711 ea.data[1] = lio->u.logio.data[1];
712 ea.iop[0] = lio->u.logio.iop[0];
713 ea.iop[1] = lio->u.logio.iop[1];
714 ea.sp = sp;
715
716 qla2x00_fcport_event_handler(vha, &ea);
717 }
718
719 sp->free(sp);
720 }
721
722 int
723 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
724 {
725 srb_t *sp;
726 struct srb_iocb *lio;
727 int rval = QLA_FUNCTION_FAILED;
728
729 if (!vha->flags.online)
730 return rval;
731
732 if (fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
733 fcport->fw_login_state == DSC_LS_PLOGI_COMP ||
734 fcport->fw_login_state == DSC_LS_PRLI_PEND)
735 return rval;
736
737 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
738 if (!sp)
739 return rval;
740
741 fcport->flags |= FCF_ASYNC_SENT;
742 fcport->logout_completed = 0;
743
744 sp->type = SRB_PRLI_CMD;
745 sp->name = "prli";
746 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
747
748 lio = &sp->u.iocb_cmd;
749 lio->timeout = qla2x00_async_iocb_timeout;
750 sp->done = qla2x00_async_prli_sp_done;
751 lio->u.logio.flags = 0;
752
753 if (fcport->fc4f_nvme)
754 lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
755
756 rval = qla2x00_start_sp(sp);
757 if (rval != QLA_SUCCESS) {
758 fcport->flags &= ~FCF_ASYNC_SENT;
759 fcport->flags |= FCF_LOGIN_NEEDED;
760 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
761 goto done_free_sp;
762 }
763
764 ql_dbg(ql_dbg_disc, vha, 0x211b,
765 "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d.\n",
766 fcport->port_name, sp->handle, fcport->loop_id,
767 fcport->d_id.b24, fcport->login_retry);
768
769 return rval;
770
771 done_free_sp:
772 sp->free(sp);
773 fcport->flags &= ~FCF_ASYNC_SENT;
774 return rval;
775 }
776
777 static int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport,
778 u8 opt)
779 {
780 struct qla_work_evt *e;
781
782 e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
783 if (!e)
784 return QLA_FUNCTION_FAILED;
785
786 e->u.fcport.fcport = fcport;
787 e->u.fcport.opt = opt;
788 return qla2x00_post_work(vha, e);
789 }
790
791 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
792 {
793 srb_t *sp;
794 struct srb_iocb *mbx;
795 int rval = QLA_FUNCTION_FAILED;
796 u16 *mb;
797 dma_addr_t pd_dma;
798 struct port_database_24xx *pd;
799 struct qla_hw_data *ha = vha->hw;
800
801 if (!vha->flags.online)
802 goto done;
803
804 fcport->flags |= FCF_ASYNC_SENT;
805 fcport->disc_state = DSC_GPDB;
806
807 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
808 if (!sp)
809 goto done;
810
811 pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
812 if (pd == NULL) {
813 ql_log(ql_log_warn, vha, 0xd043,
814 "Failed to allocate port database structure.\n");
815 goto done_free_sp;
816 }
817 memset(pd, 0, max(PORT_DATABASE_SIZE, PORT_DATABASE_24XX_SIZE));
818
819 sp->type = SRB_MB_IOCB;
820 sp->name = "gpdb";
821 sp->gen1 = fcport->rscn_gen;
822 sp->gen2 = fcport->login_gen;
823 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
824
825 mb = sp->u.iocb_cmd.u.mbx.out_mb;
826 mb[0] = MBC_GET_PORT_DATABASE;
827 mb[1] = fcport->loop_id;
828 mb[2] = MSW(pd_dma);
829 mb[3] = LSW(pd_dma);
830 mb[6] = MSW(MSD(pd_dma));
831 mb[7] = LSW(MSD(pd_dma));
832 mb[9] = vha->vp_idx;
833 mb[10] = opt;
834
835 mbx = &sp->u.iocb_cmd;
836 mbx->timeout = qla2x00_async_iocb_timeout;
837 mbx->u.mbx.in = (void *)pd;
838 mbx->u.mbx.in_dma = pd_dma;
839
840 sp->done = qla24xx_async_gpdb_sp_done;
841
842 rval = qla2x00_start_sp(sp);
843 if (rval != QLA_SUCCESS)
844 goto done_free_sp;
845
846 ql_dbg(ql_dbg_disc, vha, 0x20dc,
847 "Async-%s %8phC hndl %x opt %x\n",
848 sp->name, fcport->port_name, sp->handle, opt);
849
850 return rval;
851
852 done_free_sp:
853 if (pd)
854 dma_pool_free(ha->s_dma_pool, pd, pd_dma);
855
856 sp->free(sp);
857 done:
858 fcport->flags &= ~FCF_ASYNC_SENT;
859 qla24xx_post_gpdb_work(vha, fcport, opt);
860 return rval;
861 }
862
863 static
864 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
865 {
866 int rval = ea->rc;
867 fc_port_t *fcport = ea->fcport;
868 unsigned long flags;
869
870 fcport->flags &= ~FCF_ASYNC_SENT;
871
872 ql_dbg(ql_dbg_disc, vha, 0x20d2,
873 "%s %8phC DS %d LS %d rval %d\n", __func__, fcport->port_name,
874 fcport->disc_state, fcport->fw_login_state, rval);
875
876 if (ea->sp->gen2 != fcport->login_gen) {
877 /* target side must have changed it. */
878 ql_dbg(ql_dbg_disc, vha, 0x20d3,
879 "%s %8phC generation changed rscn %d|%d login %d|%d \n",
880 __func__, fcport->port_name, fcport->last_rscn_gen,
881 fcport->rscn_gen, fcport->last_login_gen,
882 fcport->login_gen);
883 return;
884 } else if (ea->sp->gen1 != fcport->rscn_gen) {
885 ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
886 __func__, __LINE__, fcport->port_name);
887 qla24xx_post_gidpn_work(vha, fcport);
888 return;
889 }
890
891 if (rval != QLA_SUCCESS) {
892 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
893 __func__, __LINE__, fcport->port_name);
894 qlt_schedule_sess_for_deletion_lock(fcport);
895 return;
896 }
897
898 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
899 ea->fcport->login_gen++;
900 ea->fcport->deleted = 0;
901 ea->fcport->logout_on_delete = 1;
902
903 if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
904 vha->fcport_count++;
905 ea->fcport->login_succ = 1;
906
907 if (!IS_IIDMA_CAPABLE(vha->hw) ||
908 !vha->hw->flags.gpsc_supported) {
909 ql_dbg(ql_dbg_disc, vha, 0x20d6,
910 "%s %d %8phC post upd_fcport fcp_cnt %d\n",
911 __func__, __LINE__, fcport->port_name,
912 vha->fcport_count);
913
914 qla24xx_post_upd_fcport_work(vha, fcport);
915 } else {
916 ql_dbg(ql_dbg_disc, vha, 0x20d7,
917 "%s %d %8phC post gpsc fcp_cnt %d\n",
918 __func__, __LINE__, fcport->port_name,
919 vha->fcport_count);
920
921 qla24xx_post_gpsc_work(vha, fcport);
922 }
923 }
924 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
925 } /* gpdb event */
926
927 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
928 {
929 if (fcport->login_retry == 0)
930 return 0;
931
932 if (fcport->scan_state != QLA_FCPORT_FOUND)
933 return 0;
934
935 ql_dbg(ql_dbg_disc, vha, 0x20d8,
936 "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d|%d retry %d lid %d\n",
937 __func__, fcport->port_name, fcport->disc_state,
938 fcport->fw_login_state, fcport->login_pause, fcport->flags,
939 fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
940 fcport->last_login_gen, fcport->login_gen, fcport->login_retry,
941 fcport->loop_id);
942
943 fcport->login_retry--;
944
945 if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
946 (fcport->fw_login_state == DSC_LS_PRLI_PEND))
947 return 0;
948
949 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
950 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline))
951 return 0;
952 }
953
954 /* for pure Target Mode. Login will not be initiated */
955 if (vha->host->active_mode == MODE_TARGET)
956 return 0;
957
958 if (fcport->flags & FCF_ASYNC_SENT) {
959 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
960 return 0;
961 }
962
963 switch (fcport->disc_state) {
964 case DSC_DELETED:
965 if (fcport->loop_id == FC_NO_LOOP_ID) {
966 ql_dbg(ql_dbg_disc, vha, 0x20bd,
967 "%s %d %8phC post gnl\n",
968 __func__, __LINE__, fcport->port_name);
969 qla24xx_async_gnl(vha, fcport);
970 } else {
971 ql_dbg(ql_dbg_disc, vha, 0x20bf,
972 "%s %d %8phC post login\n",
973 __func__, __LINE__, fcport->port_name);
974 fcport->disc_state = DSC_LOGIN_PEND;
975 qla2x00_post_async_login_work(vha, fcport, NULL);
976 }
977 break;
978
979 case DSC_GNL:
980 if (fcport->login_pause) {
981 fcport->last_rscn_gen = fcport->rscn_gen;
982 fcport->last_login_gen = fcport->login_gen;
983 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
984 break;
985 }
986
987 if (fcport->flags & FCF_FCP2_DEVICE) {
988 u8 opt = PDO_FORCE_ADISC;
989
990 ql_dbg(ql_dbg_disc, vha, 0x20c9,
991 "%s %d %8phC post gpdb\n",
992 __func__, __LINE__, fcport->port_name);
993
994 fcport->disc_state = DSC_GPDB;
995 qla24xx_post_gpdb_work(vha, fcport, opt);
996 } else {
997 ql_dbg(ql_dbg_disc, vha, 0x20cf,
998 "%s %d %8phC post login\n",
999 __func__, __LINE__, fcport->port_name);
1000 fcport->disc_state = DSC_LOGIN_PEND;
1001 qla2x00_post_async_login_work(vha, fcport, NULL);
1002 }
1003
1004 break;
1005
1006 case DSC_LOGIN_FAILED:
1007 ql_dbg(ql_dbg_disc, vha, 0x20d0,
1008 "%s %d %8phC post gidpn\n",
1009 __func__, __LINE__, fcport->port_name);
1010
1011 qla24xx_post_gidpn_work(vha, fcport);
1012 break;
1013
1014 case DSC_LOGIN_COMPLETE:
1015 /* recheck login state */
1016 ql_dbg(ql_dbg_disc, vha, 0x20d1,
1017 "%s %d %8phC post gpdb\n",
1018 __func__, __LINE__, fcport->port_name);
1019
1020 qla24xx_post_gpdb_work(vha, fcport, PDO_FORCE_ADISC);
1021 break;
1022
1023 default:
1024 break;
1025 }
1026
1027 return 0;
1028 }
1029
1030 static
1031 void qla24xx_handle_rscn_event(fc_port_t *fcport, struct event_arg *ea)
1032 {
1033 fcport->rscn_gen++;
1034
1035 ql_dbg(ql_dbg_disc, fcport->vha, 0x210c,
1036 "%s %8phC DS %d LS %d\n",
1037 __func__, fcport->port_name, fcport->disc_state,
1038 fcport->fw_login_state);
1039
1040 if (fcport->flags & FCF_ASYNC_SENT)
1041 return;
1042
1043 switch (fcport->disc_state) {
1044 case DSC_DELETED:
1045 case DSC_LOGIN_COMPLETE:
1046 qla24xx_post_gidpn_work(fcport->vha, fcport);
1047 break;
1048
1049 default:
1050 break;
1051 }
1052 }
1053
1054 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1055 u8 *port_name, void *pla)
1056 {
1057 struct qla_work_evt *e;
1058 e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1059 if (!e)
1060 return QLA_FUNCTION_FAILED;
1061
1062 e->u.new_sess.id = *id;
1063 e->u.new_sess.pla = pla;
1064 memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1065
1066 return qla2x00_post_work(vha, e);
1067 }
1068
1069 static
1070 int qla24xx_handle_delete_done_event(scsi_qla_host_t *vha,
1071 struct event_arg *ea)
1072 {
1073 fc_port_t *fcport = ea->fcport;
1074
1075 if (test_bit(UNLOADING, &vha->dpc_flags))
1076 return 0;
1077
1078 switch (vha->host->active_mode) {
1079 case MODE_INITIATOR:
1080 case MODE_DUAL:
1081 if (fcport->scan_state == QLA_FCPORT_FOUND)
1082 qla24xx_fcport_handle_login(vha, fcport);
1083 break;
1084
1085 case MODE_TARGET:
1086 default:
1087 /* no-op */
1088 break;
1089 }
1090
1091 return 0;
1092 }
1093
1094 static
1095 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1096 struct event_arg *ea)
1097 {
1098 fc_port_t *fcport = ea->fcport;
1099
1100 if (fcport->scan_state != QLA_FCPORT_FOUND) {
1101 fcport->login_retry++;
1102 return;
1103 }
1104
1105 ql_dbg(ql_dbg_disc, vha, 0x2102,
1106 "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1107 __func__, fcport->port_name, fcport->disc_state,
1108 fcport->fw_login_state, fcport->login_pause,
1109 fcport->deleted, fcport->conflict,
1110 fcport->last_rscn_gen, fcport->rscn_gen,
1111 fcport->last_login_gen, fcport->login_gen,
1112 fcport->flags);
1113
1114 if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1115 (fcport->fw_login_state == DSC_LS_PRLI_PEND))
1116 return;
1117
1118 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1119 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline))
1120 return;
1121 }
1122
1123 if (fcport->flags & FCF_ASYNC_SENT) {
1124 fcport->login_retry++;
1125 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1126 return;
1127 }
1128
1129 if (fcport->disc_state == DSC_DELETE_PEND) {
1130 fcport->login_retry++;
1131 return;
1132 }
1133
1134 if (fcport->last_rscn_gen != fcport->rscn_gen) {
1135 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gidpn\n",
1136 __func__, __LINE__, fcport->port_name);
1137
1138 qla24xx_async_gidpn(vha, fcport);
1139 return;
1140 }
1141
1142 qla24xx_fcport_handle_login(vha, fcport);
1143 }
1144
1145 void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea)
1146 {
1147 fc_port_t *fcport, *f, *tf;
1148 uint32_t id = 0, mask, rid;
1149 int rc;
1150
1151 switch (ea->event) {
1152 case FCME_RELOGIN:
1153 case FCME_RSCN:
1154 case FCME_GIDPN_DONE:
1155 case FCME_GPSC_DONE:
1156 case FCME_GPNID_DONE:
1157 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
1158 test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
1159 return;
1160 break;
1161 default:
1162 break;
1163 }
1164
1165 switch (ea->event) {
1166 case FCME_RELOGIN:
1167 if (test_bit(UNLOADING, &vha->dpc_flags))
1168 return;
1169
1170 qla24xx_handle_relogin_event(vha, ea);
1171 break;
1172 case FCME_RSCN:
1173 if (test_bit(UNLOADING, &vha->dpc_flags))
1174 return;
1175 switch (ea->id.b.rsvd_1) {
1176 case RSCN_PORT_ADDR:
1177 fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
1178 if (!fcport) {
1179 /* cable moved */
1180 rc = qla24xx_post_gpnid_work(vha, &ea->id);
1181 if (rc) {
1182 ql_log(ql_log_warn, vha, 0xd044,
1183 "RSCN GPNID work failed %02x%02x%02x\n",
1184 ea->id.b.domain, ea->id.b.area,
1185 ea->id.b.al_pa);
1186 }
1187 } else {
1188 ea->fcport = fcport;
1189 qla24xx_handle_rscn_event(fcport, ea);
1190 }
1191 break;
1192 case RSCN_AREA_ADDR:
1193 case RSCN_DOM_ADDR:
1194 if (ea->id.b.rsvd_1 == RSCN_AREA_ADDR) {
1195 mask = 0xffff00;
1196 ql_dbg(ql_dbg_async, vha, 0x5044,
1197 "RSCN: Area 0x%06x was affected\n",
1198 ea->id.b24);
1199 } else {
1200 mask = 0xff0000;
1201 ql_dbg(ql_dbg_async, vha, 0x507a,
1202 "RSCN: Domain 0x%06x was affected\n",
1203 ea->id.b24);
1204 }
1205
1206 rid = ea->id.b24 & mask;
1207 list_for_each_entry_safe(f, tf, &vha->vp_fcports,
1208 list) {
1209 id = f->d_id.b24 & mask;
1210 if (rid == id) {
1211 ea->fcport = f;
1212 qla24xx_handle_rscn_event(f, ea);
1213 }
1214 }
1215 break;
1216 case RSCN_FAB_ADDR:
1217 default:
1218 ql_log(ql_log_warn, vha, 0xd045,
1219 "RSCN: Fabric was affected. Addr format %d\n",
1220 ea->id.b.rsvd_1);
1221 qla2x00_mark_all_devices_lost(vha, 1);
1222 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1223 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1224 }
1225 break;
1226 case FCME_GIDPN_DONE:
1227 qla24xx_handle_gidpn_event(vha, ea);
1228 break;
1229 case FCME_GNL_DONE:
1230 qla24xx_handle_gnl_done_event(vha, ea);
1231 break;
1232 case FCME_GPSC_DONE:
1233 qla24xx_post_upd_fcport_work(vha, ea->fcport);
1234 break;
1235 case FCME_PLOGI_DONE: /* Initiator side sent LLIOCB */
1236 qla24xx_handle_plogi_done_event(vha, ea);
1237 break;
1238 case FCME_PRLI_DONE:
1239 qla24xx_handle_prli_done_event(vha, ea);
1240 break;
1241 case FCME_GPDB_DONE:
1242 qla24xx_handle_gpdb_event(vha, ea);
1243 break;
1244 case FCME_GPNID_DONE:
1245 qla24xx_handle_gpnid_event(vha, ea);
1246 break;
1247 case FCME_GFFID_DONE:
1248 qla24xx_handle_gffid_event(vha, ea);
1249 break;
1250 case FCME_DELETE_DONE:
1251 qla24xx_handle_delete_done_event(vha, ea);
1252 break;
1253 default:
1254 BUG_ON(1);
1255 break;
1256 }
1257 }
1258
1259 static void
1260 qla2x00_tmf_iocb_timeout(void *data)
1261 {
1262 srb_t *sp = data;
1263 struct srb_iocb *tmf = &sp->u.iocb_cmd;
1264
1265 tmf->u.tmf.comp_status = CS_TIMEOUT;
1266 complete(&tmf->u.tmf.comp);
1267 }
1268
1269 static void
1270 qla2x00_tmf_sp_done(void *ptr, int res)
1271 {
1272 srb_t *sp = ptr;
1273 struct srb_iocb *tmf = &sp->u.iocb_cmd;
1274
1275 complete(&tmf->u.tmf.comp);
1276 }
1277
1278 int
1279 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1280 uint32_t tag)
1281 {
1282 struct scsi_qla_host *vha = fcport->vha;
1283 struct srb_iocb *tm_iocb;
1284 srb_t *sp;
1285 int rval = QLA_FUNCTION_FAILED;
1286
1287 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1288 if (!sp)
1289 goto done;
1290
1291 tm_iocb = &sp->u.iocb_cmd;
1292 sp->type = SRB_TM_CMD;
1293 sp->name = "tmf";
1294 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1295 tm_iocb->u.tmf.flags = flags;
1296 tm_iocb->u.tmf.lun = lun;
1297 tm_iocb->u.tmf.data = tag;
1298 sp->done = qla2x00_tmf_sp_done;
1299 tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
1300 init_completion(&tm_iocb->u.tmf.comp);
1301
1302 rval = qla2x00_start_sp(sp);
1303 if (rval != QLA_SUCCESS)
1304 goto done_free_sp;
1305
1306 ql_dbg(ql_dbg_taskm, vha, 0x802f,
1307 "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
1308 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
1309 fcport->d_id.b.area, fcport->d_id.b.al_pa);
1310
1311 wait_for_completion(&tm_iocb->u.tmf.comp);
1312
1313 rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
1314 QLA_SUCCESS : QLA_FUNCTION_FAILED;
1315
1316 if ((rval != QLA_SUCCESS) || tm_iocb->u.tmf.data) {
1317 ql_dbg(ql_dbg_taskm, vha, 0x8030,
1318 "TM IOCB failed (%x).\n", rval);
1319 }
1320
1321 if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
1322 flags = tm_iocb->u.tmf.flags;
1323 lun = (uint16_t)tm_iocb->u.tmf.lun;
1324
1325 /* Issue Marker IOCB */
1326 qla2x00_marker(vha, vha->hw->req_q_map[0],
1327 vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
1328 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
1329 }
1330
1331 done_free_sp:
1332 sp->free(sp);
1333 done:
1334 return rval;
1335 }
1336
1337 static void
1338 qla24xx_abort_iocb_timeout(void *data)
1339 {
1340 srb_t *sp = data;
1341 struct srb_iocb *abt = &sp->u.iocb_cmd;
1342
1343 abt->u.abt.comp_status = CS_TIMEOUT;
1344 complete(&abt->u.abt.comp);
1345 }
1346
1347 static void
1348 qla24xx_abort_sp_done(void *ptr, int res)
1349 {
1350 srb_t *sp = ptr;
1351 struct srb_iocb *abt = &sp->u.iocb_cmd;
1352
1353 complete(&abt->u.abt.comp);
1354 }
1355
1356 int
1357 qla24xx_async_abort_cmd(srb_t *cmd_sp)
1358 {
1359 scsi_qla_host_t *vha = cmd_sp->vha;
1360 fc_port_t *fcport = cmd_sp->fcport;
1361 struct srb_iocb *abt_iocb;
1362 srb_t *sp;
1363 int rval = QLA_FUNCTION_FAILED;
1364
1365 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1366 if (!sp)
1367 goto done;
1368
1369 abt_iocb = &sp->u.iocb_cmd;
1370 sp->type = SRB_ABT_CMD;
1371 sp->name = "abort";
1372 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1373 abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
1374 sp->done = qla24xx_abort_sp_done;
1375 abt_iocb->timeout = qla24xx_abort_iocb_timeout;
1376 init_completion(&abt_iocb->u.abt.comp);
1377
1378 rval = qla2x00_start_sp(sp);
1379 if (rval != QLA_SUCCESS)
1380 goto done_free_sp;
1381
1382 ql_dbg(ql_dbg_async, vha, 0x507c,
1383 "Abort command issued - hdl=%x, target_id=%x\n",
1384 cmd_sp->handle, fcport->tgt_id);
1385
1386 wait_for_completion(&abt_iocb->u.abt.comp);
1387
1388 rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
1389 QLA_SUCCESS : QLA_FUNCTION_FAILED;
1390
1391 done_free_sp:
1392 sp->free(sp);
1393 done:
1394 return rval;
1395 }
1396
1397 int
1398 qla24xx_async_abort_command(srb_t *sp)
1399 {
1400 unsigned long flags = 0;
1401
1402 uint32_t handle;
1403 fc_port_t *fcport = sp->fcport;
1404 struct scsi_qla_host *vha = fcport->vha;
1405 struct qla_hw_data *ha = vha->hw;
1406 struct req_que *req = vha->req;
1407
1408 spin_lock_irqsave(&ha->hardware_lock, flags);
1409 for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
1410 if (req->outstanding_cmds[handle] == sp)
1411 break;
1412 }
1413 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1414 if (handle == req->num_outstanding_cmds) {
1415 /* Command not found. */
1416 return QLA_FUNCTION_FAILED;
1417 }
1418 if (sp->type == SRB_FXIOCB_DCMD)
1419 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1420 FXDISC_ABORT_IOCTL);
1421
1422 return qla24xx_async_abort_cmd(sp);
1423 }
1424
1425 static void
1426 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1427 {
1428 switch (ea->data[0]) {
1429 case MBS_COMMAND_COMPLETE:
1430 ql_dbg(ql_dbg_disc, vha, 0x2118,
1431 "%s %d %8phC post gpdb\n",
1432 __func__, __LINE__, ea->fcport->port_name);
1433
1434 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1435 ea->fcport->logout_on_delete = 1;
1436 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1437 break;
1438 default:
1439 ql_dbg(ql_dbg_disc, vha, 0x2119,
1440 "%s %d %8phC unhandle event of %x\n",
1441 __func__, __LINE__, ea->fcport->port_name, ea->data[0]);
1442 break;
1443 }
1444 }
1445
1446 static void
1447 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1448 {
1449 port_id_t cid; /* conflict Nport id */
1450
1451 switch (ea->data[0]) {
1452 case MBS_COMMAND_COMPLETE:
1453 /*
1454 * Driver must validate login state - If PRLI not complete,
1455 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
1456 * requests.
1457 */
1458 if (ea->fcport->fc4f_nvme) {
1459 ql_dbg(ql_dbg_disc, vha, 0x2117,
1460 "%s %d %8phC post prli\n",
1461 __func__, __LINE__, ea->fcport->port_name);
1462 qla24xx_post_prli_work(vha, ea->fcport);
1463 } else {
1464 ql_dbg(ql_dbg_disc, vha, 0x20ea,
1465 "%s %d %8phC post gpdb\n",
1466 __func__, __LINE__, ea->fcport->port_name);
1467 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1468 ea->fcport->logout_on_delete = 1;
1469 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1470 }
1471 break;
1472 case MBS_COMMAND_ERROR:
1473 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
1474 __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
1475
1476 ea->fcport->flags &= ~FCF_ASYNC_SENT;
1477 ea->fcport->disc_state = DSC_LOGIN_FAILED;
1478 if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED)
1479 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1480 else
1481 qla2x00_mark_device_lost(vha, ea->fcport, 1, 0);
1482 break;
1483 case MBS_LOOP_ID_USED:
1484 /* data[1] = IO PARAM 1 = nport ID */
1485 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
1486 cid.b.area = (ea->iop[1] >> 8) & 0xff;
1487 cid.b.al_pa = ea->iop[1] & 0xff;
1488 cid.b.rsvd_1 = 0;
1489
1490 ql_dbg(ql_dbg_disc, vha, 0x20ec,
1491 "%s %d %8phC LoopID 0x%x in use post gnl\n",
1492 __func__, __LINE__, ea->fcport->port_name,
1493 ea->fcport->loop_id);
1494
1495 if (IS_SW_RESV_ADDR(cid)) {
1496 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
1497 ea->fcport->loop_id = FC_NO_LOOP_ID;
1498 } else {
1499 qla2x00_clear_loop_id(ea->fcport);
1500 }
1501 qla24xx_post_gnl_work(vha, ea->fcport);
1502 break;
1503 case MBS_PORT_ID_USED:
1504 ql_dbg(ql_dbg_disc, vha, 0x20ed,
1505 "%s %d %8phC NPortId %02x%02x%02x inuse post gidpn\n",
1506 __func__, __LINE__, ea->fcport->port_name,
1507 ea->fcport->d_id.b.domain, ea->fcport->d_id.b.area,
1508 ea->fcport->d_id.b.al_pa);
1509
1510 qla2x00_clear_loop_id(ea->fcport);
1511 qla24xx_post_gidpn_work(vha, ea->fcport);
1512 break;
1513 }
1514 return;
1515 }
1516
1517 void
1518 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
1519 uint16_t *data)
1520 {
1521 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1522 qlt_logo_completion_handler(fcport, data[0]);
1523 fcport->login_gen++;
1524 return;
1525 }
1526
1527 void
1528 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
1529 uint16_t *data)
1530 {
1531 if (data[0] == MBS_COMMAND_COMPLETE) {
1532 qla2x00_update_fcport(vha, fcport);
1533
1534 return;
1535 }
1536
1537 /* Retry login. */
1538 fcport->flags &= ~FCF_ASYNC_SENT;
1539 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
1540 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1541 else
1542 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1543
1544 return;
1545 }
1546
1547 /****************************************************************************/
1548 /* QLogic ISP2x00 Hardware Support Functions. */
1549 /****************************************************************************/
1550
1551 static int
1552 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
1553 {
1554 int rval = QLA_SUCCESS;
1555 struct qla_hw_data *ha = vha->hw;
1556 uint32_t idc_major_ver, idc_minor_ver;
1557 uint16_t config[4];
1558
1559 qla83xx_idc_lock(vha, 0);
1560
1561 /* SV: TODO: Assign initialization timeout from
1562 * flash-info / other param
1563 */
1564 ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
1565 ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
1566
1567 /* Set our fcoe function presence */
1568 if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
1569 ql_dbg(ql_dbg_p3p, vha, 0xb077,
1570 "Error while setting DRV-Presence.\n");
1571 rval = QLA_FUNCTION_FAILED;
1572 goto exit;
1573 }
1574
1575 /* Decide the reset ownership */
1576 qla83xx_reset_ownership(vha);
1577
1578 /*
1579 * On first protocol driver load:
1580 * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
1581 * register.
1582 * Others: Check compatibility with current IDC Major version.
1583 */
1584 qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
1585 if (ha->flags.nic_core_reset_owner) {
1586 /* Set IDC Major version */
1587 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
1588 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
1589
1590 /* Clearing IDC-Lock-Recovery register */
1591 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
1592 } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
1593 /*
1594 * Clear further IDC participation if we are not compatible with
1595 * the current IDC Major Version.
1596 */
1597 ql_log(ql_log_warn, vha, 0xb07d,
1598 "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
1599 idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
1600 __qla83xx_clear_drv_presence(vha);
1601 rval = QLA_FUNCTION_FAILED;
1602 goto exit;
1603 }
1604 /* Each function sets its supported Minor version. */
1605 qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
1606 idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
1607 qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
1608
1609 if (ha->flags.nic_core_reset_owner) {
1610 memset(config, 0, sizeof(config));
1611 if (!qla81xx_get_port_config(vha, config))
1612 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
1613 QLA8XXX_DEV_READY);
1614 }
1615
1616 rval = qla83xx_idc_state_handler(vha);
1617
1618 exit:
1619 qla83xx_idc_unlock(vha, 0);
1620
1621 return rval;
1622 }
1623
1624 /*
1625 * qla2x00_initialize_adapter
1626 * Initialize board.
1627 *
1628 * Input:
1629 * ha = adapter block pointer.
1630 *
1631 * Returns:
1632 * 0 = success
1633 */
1634 int
1635 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
1636 {
1637 int rval;
1638 struct qla_hw_data *ha = vha->hw;
1639 struct req_que *req = ha->req_q_map[0];
1640
1641 memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
1642 memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1643
1644 /* Clear adapter flags. */
1645 vha->flags.online = 0;
1646 ha->flags.chip_reset_done = 0;
1647 vha->flags.reset_active = 0;
1648 ha->flags.pci_channel_io_perm_failure = 0;
1649 ha->flags.eeh_busy = 0;
1650 vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1651 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1652 atomic_set(&vha->loop_state, LOOP_DOWN);
1653 vha->device_flags = DFLG_NO_CABLE;
1654 vha->dpc_flags = 0;
1655 vha->flags.management_server_logged_in = 0;
1656 vha->marker_needed = 0;
1657 ha->isp_abort_cnt = 0;
1658 ha->beacon_blink_led = 0;
1659
1660 set_bit(0, ha->req_qid_map);
1661 set_bit(0, ha->rsp_qid_map);
1662
1663 ql_dbg(ql_dbg_init, vha, 0x0040,
1664 "Configuring PCI space...\n");
1665 rval = ha->isp_ops->pci_config(vha);
1666 if (rval) {
1667 ql_log(ql_log_warn, vha, 0x0044,
1668 "Unable to configure PCI space.\n");
1669 return (rval);
1670 }
1671
1672 ha->isp_ops->reset_chip(vha);
1673
1674 rval = qla2xxx_get_flash_info(vha);
1675 if (rval) {
1676 ql_log(ql_log_fatal, vha, 0x004f,
1677 "Unable to validate FLASH data.\n");
1678 return rval;
1679 }
1680
1681 if (IS_QLA8044(ha)) {
1682 qla8044_read_reset_template(vha);
1683
1684 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
1685 * If DONRESET_BIT0 is set, drivers should not set dev_state
1686 * to NEED_RESET. But if NEED_RESET is set, drivers should
1687 * should honor the reset. */
1688 if (ql2xdontresethba == 1)
1689 qla8044_set_idc_dontreset(vha);
1690 }
1691
1692 ha->isp_ops->get_flash_version(vha, req->ring);
1693 ql_dbg(ql_dbg_init, vha, 0x0061,
1694 "Configure NVRAM parameters...\n");
1695
1696 ha->isp_ops->nvram_config(vha);
1697
1698 if (ha->flags.disable_serdes) {
1699 /* Mask HBA via NVRAM settings? */
1700 ql_log(ql_log_info, vha, 0x0077,
1701 "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
1702 return QLA_FUNCTION_FAILED;
1703 }
1704
1705 ql_dbg(ql_dbg_init, vha, 0x0078,
1706 "Verifying loaded RISC code...\n");
1707
1708 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
1709 rval = ha->isp_ops->chip_diag(vha);
1710 if (rval)
1711 return (rval);
1712 rval = qla2x00_setup_chip(vha);
1713 if (rval)
1714 return (rval);
1715 }
1716
1717 if (IS_QLA84XX(ha)) {
1718 ha->cs84xx = qla84xx_get_chip(vha);
1719 if (!ha->cs84xx) {
1720 ql_log(ql_log_warn, vha, 0x00d0,
1721 "Unable to configure ISP84XX.\n");
1722 return QLA_FUNCTION_FAILED;
1723 }
1724 }
1725
1726 if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
1727 rval = qla2x00_init_rings(vha);
1728
1729 ha->flags.chip_reset_done = 1;
1730
1731 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
1732 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
1733 rval = qla84xx_init_chip(vha);
1734 if (rval != QLA_SUCCESS) {
1735 ql_log(ql_log_warn, vha, 0x00d4,
1736 "Unable to initialize ISP84XX.\n");
1737 qla84xx_put_chip(vha);
1738 }
1739 }
1740
1741 /* Load the NIC Core f/w if we are the first protocol driver. */
1742 if (IS_QLA8031(ha)) {
1743 rval = qla83xx_nic_core_fw_load(vha);
1744 if (rval)
1745 ql_log(ql_log_warn, vha, 0x0124,
1746 "Error in initializing NIC Core f/w.\n");
1747 }
1748
1749 if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
1750 qla24xx_read_fcp_prio_cfg(vha);
1751
1752 if (IS_P3P_TYPE(ha))
1753 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
1754 else
1755 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
1756
1757 return (rval);
1758 }
1759
1760 /**
1761 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1762 * @ha: HA context
1763 *
1764 * Returns 0 on success.
1765 */
1766 int
1767 qla2100_pci_config(scsi_qla_host_t *vha)
1768 {
1769 uint16_t w;
1770 unsigned long flags;
1771 struct qla_hw_data *ha = vha->hw;
1772 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1773
1774 pci_set_master(ha->pdev);
1775 pci_try_set_mwi(ha->pdev);
1776
1777 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
1778 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1779 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1780
1781 pci_disable_rom(ha->pdev);
1782
1783 /* Get PCI bus information. */
1784 spin_lock_irqsave(&ha->hardware_lock, flags);
1785 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1786 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1787
1788 return QLA_SUCCESS;
1789 }
1790
1791 /**
1792 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
1793 * @ha: HA context
1794 *
1795 * Returns 0 on success.
1796 */
1797 int
1798 qla2300_pci_config(scsi_qla_host_t *vha)
1799 {
1800 uint16_t w;
1801 unsigned long flags = 0;
1802 uint32_t cnt;
1803 struct qla_hw_data *ha = vha->hw;
1804 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1805
1806 pci_set_master(ha->pdev);
1807 pci_try_set_mwi(ha->pdev);
1808
1809 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
1810 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1811
1812 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1813 w &= ~PCI_COMMAND_INTX_DISABLE;
1814 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1815
1816 /*
1817 * If this is a 2300 card and not 2312, reset the
1818 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
1819 * the 2310 also reports itself as a 2300 so we need to get the
1820 * fb revision level -- a 6 indicates it really is a 2300 and
1821 * not a 2310.
1822 */
1823 if (IS_QLA2300(ha)) {
1824 spin_lock_irqsave(&ha->hardware_lock, flags);
1825
1826 /* Pause RISC. */
1827 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
1828 for (cnt = 0; cnt < 30000; cnt++) {
1829 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
1830 break;
1831
1832 udelay(10);
1833 }
1834
1835 /* Select FPM registers. */
1836 WRT_REG_WORD(&reg->ctrl_status, 0x20);
1837 RD_REG_WORD(&reg->ctrl_status);
1838
1839 /* Get the fb rev level */
1840 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
1841
1842 if (ha->fb_rev == FPM_2300)
1843 pci_clear_mwi(ha->pdev);
1844
1845 /* Deselect FPM registers. */
1846 WRT_REG_WORD(&reg->ctrl_status, 0x0);
1847 RD_REG_WORD(&reg->ctrl_status);
1848
1849 /* Release RISC module. */
1850 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1851 for (cnt = 0; cnt < 30000; cnt++) {
1852 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
1853 break;
1854
1855 udelay(10);
1856 }
1857
1858 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1859 }
1860
1861 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
1862
1863 pci_disable_rom(ha->pdev);
1864
1865 /* Get PCI bus information. */
1866 spin_lock_irqsave(&ha->hardware_lock, flags);
1867 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1868 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1869
1870 return QLA_SUCCESS;
1871 }
1872
1873 /**
1874 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
1875 * @ha: HA context
1876 *
1877 * Returns 0 on success.
1878 */
1879 int
1880 qla24xx_pci_config(scsi_qla_host_t *vha)
1881 {
1882 uint16_t w;
1883 unsigned long flags = 0;
1884 struct qla_hw_data *ha = vha->hw;
1885 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1886
1887 pci_set_master(ha->pdev);
1888 pci_try_set_mwi(ha->pdev);
1889
1890 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
1891 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1892 w &= ~PCI_COMMAND_INTX_DISABLE;
1893 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1894
1895 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
1896
1897 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
1898 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
1899 pcix_set_mmrbc(ha->pdev, 2048);
1900
1901 /* PCIe -- adjust Maximum Read Request Size (2048). */
1902 if (pci_is_pcie(ha->pdev))
1903 pcie_set_readrq(ha->pdev, 4096);
1904
1905 pci_disable_rom(ha->pdev);
1906
1907 ha->chip_revision = ha->pdev->revision;
1908
1909 /* Get PCI bus information. */
1910 spin_lock_irqsave(&ha->hardware_lock, flags);
1911 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
1912 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1913
1914 return QLA_SUCCESS;
1915 }
1916
1917 /**
1918 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
1919 * @ha: HA context
1920 *
1921 * Returns 0 on success.
1922 */
1923 int
1924 qla25xx_pci_config(scsi_qla_host_t *vha)
1925 {
1926 uint16_t w;
1927 struct qla_hw_data *ha = vha->hw;
1928
1929 pci_set_master(ha->pdev);
1930 pci_try_set_mwi(ha->pdev);
1931
1932 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
1933 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1934 w &= ~PCI_COMMAND_INTX_DISABLE;
1935 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1936
1937 /* PCIe -- adjust Maximum Read Request Size (2048). */
1938 if (pci_is_pcie(ha->pdev))
1939 pcie_set_readrq(ha->pdev, 4096);
1940
1941 pci_disable_rom(ha->pdev);
1942
1943 ha->chip_revision = ha->pdev->revision;
1944
1945 return QLA_SUCCESS;
1946 }
1947
1948 /**
1949 * qla2x00_isp_firmware() - Choose firmware image.
1950 * @ha: HA context
1951 *
1952 * Returns 0 on success.
1953 */
1954 static int
1955 qla2x00_isp_firmware(scsi_qla_host_t *vha)
1956 {
1957 int rval;
1958 uint16_t loop_id, topo, sw_cap;
1959 uint8_t domain, area, al_pa;
1960 struct qla_hw_data *ha = vha->hw;
1961
1962 /* Assume loading risc code */
1963 rval = QLA_FUNCTION_FAILED;
1964
1965 if (ha->flags.disable_risc_code_load) {
1966 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
1967
1968 /* Verify checksum of loaded RISC code. */
1969 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
1970 if (rval == QLA_SUCCESS) {
1971 /* And, verify we are not in ROM code. */
1972 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
1973 &area, &domain, &topo, &sw_cap);
1974 }
1975 }
1976
1977 if (rval)
1978 ql_dbg(ql_dbg_init, vha, 0x007a,
1979 "**** Load RISC code ****.\n");
1980
1981 return (rval);
1982 }
1983
1984 /**
1985 * qla2x00_reset_chip() - Reset ISP chip.
1986 * @ha: HA context
1987 *
1988 * Returns 0 on success.
1989 */
1990 void
1991 qla2x00_reset_chip(scsi_qla_host_t *vha)
1992 {
1993 unsigned long flags = 0;
1994 struct qla_hw_data *ha = vha->hw;
1995 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1996 uint32_t cnt;
1997 uint16_t cmd;
1998
1999 if (unlikely(pci_channel_offline(ha->pdev)))
2000 return;
2001
2002 ha->isp_ops->disable_intrs(ha);
2003
2004 spin_lock_irqsave(&ha->hardware_lock, flags);
2005
2006 /* Turn off master enable */
2007 cmd = 0;
2008 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
2009 cmd &= ~PCI_COMMAND_MASTER;
2010 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2011
2012 if (!IS_QLA2100(ha)) {
2013 /* Pause RISC. */
2014 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2015 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
2016 for (cnt = 0; cnt < 30000; cnt++) {
2017 if ((RD_REG_WORD(&reg->hccr) &
2018 HCCR_RISC_PAUSE) != 0)
2019 break;
2020 udelay(100);
2021 }
2022 } else {
2023 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
2024 udelay(10);
2025 }
2026
2027 /* Select FPM registers. */
2028 WRT_REG_WORD(&reg->ctrl_status, 0x20);
2029 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
2030
2031 /* FPM Soft Reset. */
2032 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
2033 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
2034
2035 /* Toggle Fpm Reset. */
2036 if (!IS_QLA2200(ha)) {
2037 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
2038 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
2039 }
2040
2041 /* Select frame buffer registers. */
2042 WRT_REG_WORD(&reg->ctrl_status, 0x10);
2043 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
2044
2045 /* Reset frame buffer FIFOs. */
2046 if (IS_QLA2200(ha)) {
2047 WRT_FB_CMD_REG(ha, reg, 0xa000);
2048 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
2049 } else {
2050 WRT_FB_CMD_REG(ha, reg, 0x00fc);
2051
2052 /* Read back fb_cmd until zero or 3 seconds max */
2053 for (cnt = 0; cnt < 3000; cnt++) {
2054 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
2055 break;
2056 udelay(100);
2057 }
2058 }
2059
2060 /* Select RISC module registers. */
2061 WRT_REG_WORD(&reg->ctrl_status, 0);
2062 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
2063
2064 /* Reset RISC processor. */
2065 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2066 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
2067
2068 /* Release RISC processor. */
2069 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2070 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
2071 }
2072
2073 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
2074 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
2075
2076 /* Reset ISP chip. */
2077 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2078
2079 /* Wait for RISC to recover from reset. */
2080 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2081 /*
2082 * It is necessary to for a delay here since the card doesn't
2083 * respond to PCI reads during a reset. On some architectures
2084 * this will result in an MCA.
2085 */
2086 udelay(20);
2087 for (cnt = 30000; cnt; cnt--) {
2088 if ((RD_REG_WORD(&reg->ctrl_status) &
2089 CSR_ISP_SOFT_RESET) == 0)
2090 break;
2091 udelay(100);
2092 }
2093 } else
2094 udelay(10);
2095
2096 /* Reset RISC processor. */
2097 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2098
2099 WRT_REG_WORD(&reg->semaphore, 0);
2100
2101 /* Release RISC processor. */
2102 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2103 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
2104
2105 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2106 for (cnt = 0; cnt < 30000; cnt++) {
2107 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
2108 break;
2109
2110 udelay(100);
2111 }
2112 } else
2113 udelay(100);
2114
2115 /* Turn on master enable */
2116 cmd |= PCI_COMMAND_MASTER;
2117 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2118
2119 /* Disable RISC pause on FPM parity error. */
2120 if (!IS_QLA2100(ha)) {
2121 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
2122 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
2123 }
2124
2125 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2126 }
2127
2128 /**
2129 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2130 *
2131 * Returns 0 on success.
2132 */
2133 static int
2134 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2135 {
2136 uint16_t mb[4] = {0x1010, 0, 1, 0};
2137
2138 if (!IS_QLA81XX(vha->hw))
2139 return QLA_SUCCESS;
2140
2141 return qla81xx_write_mpi_register(vha, mb);
2142 }
2143
2144 /**
2145 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2146 * @ha: HA context
2147 *
2148 * Returns 0 on success.
2149 */
2150 static inline int
2151 qla24xx_reset_risc(scsi_qla_host_t *vha)
2152 {
2153 unsigned long flags = 0;
2154 struct qla_hw_data *ha = vha->hw;
2155 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2156 uint32_t cnt;
2157 uint16_t wd;
2158 static int abts_cnt; /* ISP abort retry counts */
2159 int rval = QLA_SUCCESS;
2160
2161 spin_lock_irqsave(&ha->hardware_lock, flags);
2162
2163 /* Reset RISC. */
2164 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2165 for (cnt = 0; cnt < 30000; cnt++) {
2166 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
2167 break;
2168
2169 udelay(10);
2170 }
2171
2172 if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
2173 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
2174
2175 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
2176 "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
2177 RD_REG_DWORD(&reg->hccr),
2178 RD_REG_DWORD(&reg->ctrl_status),
2179 (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
2180
2181 WRT_REG_DWORD(&reg->ctrl_status,
2182 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2183 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2184
2185 udelay(100);
2186
2187 /* Wait for firmware to complete NVRAM accesses. */
2188 RD_REG_WORD(&reg->mailbox0);
2189 for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
2190 rval == QLA_SUCCESS; cnt--) {
2191 barrier();
2192 if (cnt)
2193 udelay(5);
2194 else
2195 rval = QLA_FUNCTION_TIMEOUT;
2196 }
2197
2198 if (rval == QLA_SUCCESS)
2199 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
2200
2201 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
2202 "HCCR: 0x%x, MailBox0 Status 0x%x\n",
2203 RD_REG_DWORD(&reg->hccr),
2204 RD_REG_DWORD(&reg->mailbox0));
2205
2206 /* Wait for soft-reset to complete. */
2207 RD_REG_DWORD(&reg->ctrl_status);
2208 for (cnt = 0; cnt < 60; cnt++) {
2209 barrier();
2210 if ((RD_REG_DWORD(&reg->ctrl_status) &
2211 CSRX_ISP_SOFT_RESET) == 0)
2212 break;
2213
2214 udelay(5);
2215 }
2216 if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
2217 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
2218
2219 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
2220 "HCCR: 0x%x, Soft Reset status: 0x%x\n",
2221 RD_REG_DWORD(&reg->hccr),
2222 RD_REG_DWORD(&reg->ctrl_status));
2223
2224 /* If required, do an MPI FW reset now */
2225 if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
2226 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
2227 if (++abts_cnt < 5) {
2228 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2229 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
2230 } else {
2231 /*
2232 * We exhausted the ISP abort retries. We have to
2233 * set the board offline.
2234 */
2235 abts_cnt = 0;
2236 vha->flags.online = 0;
2237 }
2238 }
2239 }
2240
2241 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
2242 RD_REG_DWORD(&reg->hccr);
2243
2244 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2245 RD_REG_DWORD(&reg->hccr);
2246
2247 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
2248 RD_REG_DWORD(&reg->hccr);
2249
2250 RD_REG_WORD(&reg->mailbox0);
2251 for (cnt = 60; RD_REG_WORD(&reg->mailbox0) != 0 &&
2252 rval == QLA_SUCCESS; cnt--) {
2253 barrier();
2254 if (cnt)
2255 udelay(5);
2256 else
2257 rval = QLA_FUNCTION_TIMEOUT;
2258 }
2259 if (rval == QLA_SUCCESS)
2260 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2261
2262 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
2263 "Host Risc 0x%x, mailbox0 0x%x\n",
2264 RD_REG_DWORD(&reg->hccr),
2265 RD_REG_WORD(&reg->mailbox0));
2266
2267 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2268
2269 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
2270 "Driver in %s mode\n",
2271 IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
2272
2273 if (IS_NOPOLLING_TYPE(ha))
2274 ha->isp_ops->enable_intrs(ha);
2275
2276 return rval;
2277 }
2278
2279 static void
2280 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
2281 {
2282 struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2283
2284 WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2285 *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
2286
2287 }
2288
2289 static void
2290 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
2291 {
2292 struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2293
2294 WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2295 WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
2296 }
2297
2298 static void
2299 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
2300 {
2301 uint32_t wd32 = 0;
2302 uint delta_msec = 100;
2303 uint elapsed_msec = 0;
2304 uint timeout_msec;
2305 ulong n;
2306
2307 if (vha->hw->pdev->subsystem_device != 0x0175 &&
2308 vha->hw->pdev->subsystem_device != 0x0240)
2309 return;
2310
2311 WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
2312 udelay(100);
2313
2314 attempt:
2315 timeout_msec = TIMEOUT_SEMAPHORE;
2316 n = timeout_msec / delta_msec;
2317 while (n--) {
2318 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
2319 qla25xx_read_risc_sema_reg(vha, &wd32);
2320 if (wd32 & RISC_SEMAPHORE)
2321 break;
2322 msleep(delta_msec);
2323 elapsed_msec += delta_msec;
2324 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2325 goto force;
2326 }
2327
2328 if (!(wd32 & RISC_SEMAPHORE))
2329 goto force;
2330
2331 if (!(wd32 & RISC_SEMAPHORE_FORCE))
2332 goto acquired;
2333
2334 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
2335 timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
2336 n = timeout_msec / delta_msec;
2337 while (n--) {
2338 qla25xx_read_risc_sema_reg(vha, &wd32);
2339 if (!(wd32 & RISC_SEMAPHORE_FORCE))
2340 break;
2341 msleep(delta_msec);
2342 elapsed_msec += delta_msec;
2343 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2344 goto force;
2345 }
2346
2347 if (wd32 & RISC_SEMAPHORE_FORCE)
2348 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
2349
2350 goto attempt;
2351
2352 force:
2353 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
2354
2355 acquired:
2356 return;
2357 }
2358
2359 /**
2360 * qla24xx_reset_chip() - Reset ISP24xx chip.
2361 * @ha: HA context
2362 *
2363 * Returns 0 on success.
2364 */
2365 void
2366 qla24xx_reset_chip(scsi_qla_host_t *vha)
2367 {
2368 struct qla_hw_data *ha = vha->hw;
2369
2370 if (pci_channel_offline(ha->pdev) &&
2371 ha->flags.pci_channel_io_perm_failure) {
2372 return;
2373 }
2374
2375 ha->isp_ops->disable_intrs(ha);
2376
2377 qla25xx_manipulate_risc_semaphore(vha);
2378
2379 /* Perform RISC reset. */
2380 qla24xx_reset_risc(vha);
2381 }
2382
2383 /**
2384 * qla2x00_chip_diag() - Test chip for proper operation.
2385 * @ha: HA context
2386 *
2387 * Returns 0 on success.
2388 */
2389 int
2390 qla2x00_chip_diag(scsi_qla_host_t *vha)
2391 {
2392 int rval;
2393 struct qla_hw_data *ha = vha->hw;
2394 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2395 unsigned long flags = 0;
2396 uint16_t data;
2397 uint32_t cnt;
2398 uint16_t mb[5];
2399 struct req_que *req = ha->req_q_map[0];
2400
2401 /* Assume a failed state */
2402 rval = QLA_FUNCTION_FAILED;
2403
2404 ql_dbg(ql_dbg_init, vha, 0x007b,
2405 "Testing device at %lx.\n", (u_long)&reg->flash_address);
2406
2407 spin_lock_irqsave(&ha->hardware_lock, flags);
2408
2409 /* Reset ISP chip. */
2410 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2411
2412 /*
2413 * We need to have a delay here since the card will not respond while
2414 * in reset causing an MCA on some architectures.
2415 */
2416 udelay(20);
2417 data = qla2x00_debounce_register(&reg->ctrl_status);
2418 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
2419 udelay(5);
2420 data = RD_REG_WORD(&reg->ctrl_status);
2421 barrier();
2422 }
2423
2424 if (!cnt)
2425 goto chip_diag_failed;
2426
2427 ql_dbg(ql_dbg_init, vha, 0x007c,
2428 "Reset register cleared by chip reset.\n");
2429
2430 /* Reset RISC processor. */
2431 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2432 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2433
2434 /* Workaround for QLA2312 PCI parity error */
2435 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2436 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
2437 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
2438 udelay(5);
2439 data = RD_MAILBOX_REG(ha, reg, 0);
2440 barrier();
2441 }
2442 } else
2443 udelay(10);
2444
2445 if (!cnt)
2446 goto chip_diag_failed;
2447
2448 /* Check product ID of chip */
2449 ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
2450
2451 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
2452 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
2453 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
2454 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
2455 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
2456 mb[3] != PROD_ID_3) {
2457 ql_log(ql_log_warn, vha, 0x0062,
2458 "Wrong product ID = 0x%x,0x%x,0x%x.\n",
2459 mb[1], mb[2], mb[3]);
2460
2461 goto chip_diag_failed;
2462 }
2463 ha->product_id[0] = mb[1];
2464 ha->product_id[1] = mb[2];
2465 ha->product_id[2] = mb[3];
2466 ha->product_id[3] = mb[4];
2467
2468 /* Adjust fw RISC transfer size */
2469 if (req->length > 1024)
2470 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
2471 else
2472 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
2473 req->length;
2474
2475 if (IS_QLA2200(ha) &&
2476 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
2477 /* Limit firmware transfer size with a 2200A */
2478 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
2479
2480 ha->device_type |= DT_ISP2200A;
2481 ha->fw_transfer_size = 128;
2482 }
2483
2484 /* Wrap Incoming Mailboxes Test. */
2485 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2486
2487 ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
2488 rval = qla2x00_mbx_reg_test(vha);
2489 if (rval)
2490 ql_log(ql_log_warn, vha, 0x0080,
2491 "Failed mailbox send register test.\n");
2492 else
2493 /* Flag a successful rval */
2494 rval = QLA_SUCCESS;
2495 spin_lock_irqsave(&ha->hardware_lock, flags);
2496
2497 chip_diag_failed:
2498 if (rval)
2499 ql_log(ql_log_info, vha, 0x0081,
2500 "Chip diagnostics **** FAILED ****.\n");
2501
2502 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2503
2504 return (rval);
2505 }
2506
2507 /**
2508 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
2509 * @ha: HA context
2510 *
2511 * Returns 0 on success.
2512 */
2513 int
2514 qla24xx_chip_diag(scsi_qla_host_t *vha)
2515 {
2516 int rval;
2517 struct qla_hw_data *ha = vha->hw;
2518 struct req_que *req = ha->req_q_map[0];
2519
2520 if (IS_P3P_TYPE(ha))
2521 return QLA_SUCCESS;
2522
2523 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
2524
2525 rval = qla2x00_mbx_reg_test(vha);
2526 if (rval) {
2527 ql_log(ql_log_warn, vha, 0x0082,
2528 "Failed mailbox send register test.\n");
2529 } else {
2530 /* Flag a successful rval */
2531 rval = QLA_SUCCESS;
2532 }
2533
2534 return rval;
2535 }
2536
2537 void
2538 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
2539 {
2540 int rval;
2541 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
2542 eft_size, fce_size, mq_size;
2543 dma_addr_t tc_dma;
2544 void *tc;
2545 struct qla_hw_data *ha = vha->hw;
2546 struct req_que *req = ha->req_q_map[0];
2547 struct rsp_que *rsp = ha->rsp_q_map[0];
2548
2549 if (ha->fw_dump) {
2550 ql_dbg(ql_dbg_init, vha, 0x00bd,
2551 "Firmware dump already allocated.\n");
2552 return;
2553 }
2554
2555 ha->fw_dumped = 0;
2556 ha->fw_dump_cap_flags = 0;
2557 dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
2558 req_q_size = rsp_q_size = 0;
2559
2560 if (IS_QLA27XX(ha))
2561 goto try_fce;
2562
2563 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2564 fixed_size = sizeof(struct qla2100_fw_dump);
2565 } else if (IS_QLA23XX(ha)) {
2566 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
2567 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
2568 sizeof(uint16_t);
2569 } else if (IS_FWI2_CAPABLE(ha)) {
2570 if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
2571 fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
2572 else if (IS_QLA81XX(ha))
2573 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
2574 else if (IS_QLA25XX(ha))
2575 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
2576 else
2577 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
2578
2579 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
2580 sizeof(uint32_t);
2581 if (ha->mqenable) {
2582 if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
2583 mq_size = sizeof(struct qla2xxx_mq_chain);
2584 /*
2585 * Allocate maximum buffer size for all queues.
2586 * Resizing must be done at end-of-dump processing.
2587 */
2588 mq_size += ha->max_req_queues *
2589 (req->length * sizeof(request_t));
2590 mq_size += ha->max_rsp_queues *
2591 (rsp->length * sizeof(response_t));
2592 }
2593 if (ha->tgt.atio_ring)
2594 mq_size += ha->tgt.atio_q_length * sizeof(request_t);
2595 /* Allocate memory for Fibre Channel Event Buffer. */
2596 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2597 !IS_QLA27XX(ha))
2598 goto try_eft;
2599
2600 try_fce:
2601 if (ha->fce)
2602 dma_free_coherent(&ha->pdev->dev,
2603 FCE_SIZE, ha->fce, ha->fce_dma);
2604
2605 /* Allocate memory for Fibre Channel Event Buffer. */
2606 tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
2607 GFP_KERNEL);
2608 if (!tc) {
2609 ql_log(ql_log_warn, vha, 0x00be,
2610 "Unable to allocate (%d KB) for FCE.\n",
2611 FCE_SIZE / 1024);
2612 goto try_eft;
2613 }
2614
2615 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
2616 ha->fce_mb, &ha->fce_bufs);
2617 if (rval) {
2618 ql_log(ql_log_warn, vha, 0x00bf,
2619 "Unable to initialize FCE (%d).\n", rval);
2620 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
2621 tc_dma);
2622 ha->flags.fce_enabled = 0;
2623 goto try_eft;
2624 }
2625 ql_dbg(ql_dbg_init, vha, 0x00c0,
2626 "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
2627
2628 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
2629 ha->flags.fce_enabled = 1;
2630 ha->fce_dma = tc_dma;
2631 ha->fce = tc;
2632
2633 try_eft:
2634 if (ha->eft)
2635 dma_free_coherent(&ha->pdev->dev,
2636 EFT_SIZE, ha->eft, ha->eft_dma);
2637
2638 /* Allocate memory for Extended Trace Buffer. */
2639 tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
2640 GFP_KERNEL);
2641 if (!tc) {
2642 ql_log(ql_log_warn, vha, 0x00c1,
2643 "Unable to allocate (%d KB) for EFT.\n",
2644 EFT_SIZE / 1024);
2645 goto cont_alloc;
2646 }
2647
2648 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
2649 if (rval) {
2650 ql_log(ql_log_warn, vha, 0x00c2,
2651 "Unable to initialize EFT (%d).\n", rval);
2652 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
2653 tc_dma);
2654 goto cont_alloc;
2655 }
2656 ql_dbg(ql_dbg_init, vha, 0x00c3,
2657 "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
2658
2659 eft_size = EFT_SIZE;
2660 ha->eft_dma = tc_dma;
2661 ha->eft = tc;
2662 }
2663
2664 cont_alloc:
2665 if (IS_QLA27XX(ha)) {
2666 if (!ha->fw_dump_template) {
2667 ql_log(ql_log_warn, vha, 0x00ba,
2668 "Failed missing fwdump template\n");
2669 return;
2670 }
2671 dump_size = qla27xx_fwdt_calculate_dump_size(vha);
2672 ql_dbg(ql_dbg_init, vha, 0x00fa,
2673 "-> allocating fwdump (%x bytes)...\n", dump_size);
2674 goto allocate;
2675 }
2676
2677 req_q_size = req->length * sizeof(request_t);
2678 rsp_q_size = rsp->length * sizeof(response_t);
2679 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
2680 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
2681 ha->chain_offset = dump_size;
2682 dump_size += mq_size + fce_size;
2683
2684 if (ha->exchoffld_buf)
2685 dump_size += sizeof(struct qla2xxx_offld_chain) +
2686 ha->exchoffld_size;
2687 if (ha->exlogin_buf)
2688 dump_size += sizeof(struct qla2xxx_offld_chain) +
2689 ha->exlogin_size;
2690
2691 allocate:
2692 ha->fw_dump = vmalloc(dump_size);
2693 if (!ha->fw_dump) {
2694 ql_log(ql_log_warn, vha, 0x00c4,
2695 "Unable to allocate (%d KB) for firmware dump.\n",
2696 dump_size / 1024);
2697
2698 if (ha->fce) {
2699 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2700 ha->fce_dma);
2701 ha->fce = NULL;
2702 ha->fce_dma = 0;
2703 }
2704
2705 if (ha->eft) {
2706 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
2707 ha->eft_dma);
2708 ha->eft = NULL;
2709 ha->eft_dma = 0;
2710 }
2711 return;
2712 }
2713 ha->fw_dump_len = dump_size;
2714 ql_dbg(ql_dbg_init, vha, 0x00c5,
2715 "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
2716
2717 if (IS_QLA27XX(ha))
2718 return;
2719
2720 ha->fw_dump->signature[0] = 'Q';
2721 ha->fw_dump->signature[1] = 'L';
2722 ha->fw_dump->signature[2] = 'G';
2723 ha->fw_dump->signature[3] = 'C';
2724 ha->fw_dump->version = htonl(1);
2725
2726 ha->fw_dump->fixed_size = htonl(fixed_size);
2727 ha->fw_dump->mem_size = htonl(mem_size);
2728 ha->fw_dump->req_q_size = htonl(req_q_size);
2729 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
2730
2731 ha->fw_dump->eft_size = htonl(eft_size);
2732 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
2733 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
2734
2735 ha->fw_dump->header_size =
2736 htonl(offsetof(struct qla2xxx_fw_dump, isp));
2737 }
2738
2739 static int
2740 qla81xx_mpi_sync(scsi_qla_host_t *vha)
2741 {
2742 #define MPS_MASK 0xe0
2743 int rval;
2744 uint16_t dc;
2745 uint32_t dw;
2746
2747 if (!IS_QLA81XX(vha->hw))
2748 return QLA_SUCCESS;
2749
2750 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
2751 if (rval != QLA_SUCCESS) {
2752 ql_log(ql_log_warn, vha, 0x0105,
2753 "Unable to acquire semaphore.\n");
2754 goto done;
2755 }
2756
2757 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
2758 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
2759 if (rval != QLA_SUCCESS) {
2760 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
2761 goto done_release;
2762 }
2763
2764 dc &= MPS_MASK;
2765 if (dc == (dw & MPS_MASK))
2766 goto done_release;
2767
2768 dw &= ~MPS_MASK;
2769 dw |= dc;
2770 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
2771 if (rval != QLA_SUCCESS) {
2772 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
2773 }
2774
2775 done_release:
2776 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
2777 if (rval != QLA_SUCCESS) {
2778 ql_log(ql_log_warn, vha, 0x006d,
2779 "Unable to release semaphore.\n");
2780 }
2781
2782 done:
2783 return rval;
2784 }
2785
2786 int
2787 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
2788 {
2789 /* Don't try to reallocate the array */
2790 if (req->outstanding_cmds)
2791 return QLA_SUCCESS;
2792
2793 if (!IS_FWI2_CAPABLE(ha))
2794 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
2795 else {
2796 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
2797 req->num_outstanding_cmds = ha->cur_fw_xcb_count;
2798 else
2799 req->num_outstanding_cmds = ha->cur_fw_iocb_count;
2800 }
2801
2802 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
2803 req->num_outstanding_cmds, GFP_KERNEL);
2804
2805 if (!req->outstanding_cmds) {
2806 /*
2807 * Try to allocate a minimal size just so we can get through
2808 * initialization.
2809 */
2810 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
2811 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
2812 req->num_outstanding_cmds, GFP_KERNEL);
2813
2814 if (!req->outstanding_cmds) {
2815 ql_log(ql_log_fatal, NULL, 0x0126,
2816 "Failed to allocate memory for "
2817 "outstanding_cmds for req_que %p.\n", req);
2818 req->num_outstanding_cmds = 0;
2819 return QLA_FUNCTION_FAILED;
2820 }
2821 }
2822
2823 return QLA_SUCCESS;
2824 }
2825
2826 /**
2827 * qla2x00_setup_chip() - Load and start RISC firmware.
2828 * @ha: HA context
2829 *
2830 * Returns 0 on success.
2831 */
2832 static int
2833 qla2x00_setup_chip(scsi_qla_host_t *vha)
2834 {
2835 int rval;
2836 uint32_t srisc_address = 0;
2837 struct qla_hw_data *ha = vha->hw;
2838 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2839 unsigned long flags;
2840 uint16_t fw_major_version;
2841
2842 if (IS_P3P_TYPE(ha)) {
2843 rval = ha->isp_ops->load_risc(vha, &srisc_address);
2844 if (rval == QLA_SUCCESS) {
2845 qla2x00_stop_firmware(vha);
2846 goto enable_82xx_npiv;
2847 } else
2848 goto failed;
2849 }
2850
2851 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
2852 /* Disable SRAM, Instruction RAM and GP RAM parity. */
2853 spin_lock_irqsave(&ha->hardware_lock, flags);
2854 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
2855 RD_REG_WORD(&reg->hccr);
2856 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2857 }
2858
2859 qla81xx_mpi_sync(vha);
2860
2861 /* Load firmware sequences */
2862 rval = ha->isp_ops->load_risc(vha, &srisc_address);
2863 if (rval == QLA_SUCCESS) {
2864 ql_dbg(ql_dbg_init, vha, 0x00c9,
2865 "Verifying Checksum of loaded RISC code.\n");
2866
2867 rval = qla2x00_verify_checksum(vha, srisc_address);
2868 if (rval == QLA_SUCCESS) {
2869 /* Start firmware execution. */
2870 ql_dbg(ql_dbg_init, vha, 0x00ca,
2871 "Starting firmware.\n");
2872
2873 if (ql2xexlogins)
2874 ha->flags.exlogins_enabled = 1;
2875
2876 if (qla_is_exch_offld_enabled(vha))
2877 ha->flags.exchoffld_enabled = 1;
2878
2879 rval = qla2x00_execute_fw(vha, srisc_address);
2880 /* Retrieve firmware information. */
2881 if (rval == QLA_SUCCESS) {
2882 rval = qla2x00_set_exlogins_buffer(vha);
2883 if (rval != QLA_SUCCESS)
2884 goto failed;
2885
2886 rval = qla2x00_set_exchoffld_buffer(vha);
2887 if (rval != QLA_SUCCESS)
2888 goto failed;
2889
2890 enable_82xx_npiv:
2891 fw_major_version = ha->fw_major_version;
2892 if (IS_P3P_TYPE(ha))
2893 qla82xx_check_md_needed(vha);
2894 else
2895 rval = qla2x00_get_fw_version(vha);
2896 if (rval != QLA_SUCCESS)
2897 goto failed;
2898 ha->flags.npiv_supported = 0;
2899 if (IS_QLA2XXX_MIDTYPE(ha) &&
2900 (ha->fw_attributes & BIT_2)) {
2901 ha->flags.npiv_supported = 1;
2902 if ((!ha->max_npiv_vports) ||
2903 ((ha->max_npiv_vports + 1) %
2904 MIN_MULTI_ID_FABRIC))
2905 ha->max_npiv_vports =
2906 MIN_MULTI_ID_FABRIC - 1;
2907 }
2908 qla2x00_get_resource_cnts(vha);
2909
2910 /*
2911 * Allocate the array of outstanding commands
2912 * now that we know the firmware resources.
2913 */
2914 rval = qla2x00_alloc_outstanding_cmds(ha,
2915 vha->req);
2916 if (rval != QLA_SUCCESS)
2917 goto failed;
2918
2919 if (!fw_major_version && ql2xallocfwdump
2920 && !(IS_P3P_TYPE(ha)))
2921 qla2x00_alloc_fw_dump(vha);
2922 } else {
2923 goto failed;
2924 }
2925 } else {
2926 ql_log(ql_log_fatal, vha, 0x00cd,
2927 "ISP Firmware failed checksum.\n");
2928 goto failed;
2929 }
2930 } else
2931 goto failed;
2932
2933 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
2934 /* Enable proper parity. */
2935 spin_lock_irqsave(&ha->hardware_lock, flags);
2936 if (IS_QLA2300(ha))
2937 /* SRAM parity */
2938 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
2939 else
2940 /* SRAM, Instruction RAM and GP RAM parity */
2941 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
2942 RD_REG_WORD(&reg->hccr);
2943 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2944 }
2945
2946 if (IS_QLA27XX(ha))
2947 ha->flags.fac_supported = 1;
2948 else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
2949 uint32_t size;
2950
2951 rval = qla81xx_fac_get_sector_size(vha, &size);
2952 if (rval == QLA_SUCCESS) {
2953 ha->flags.fac_supported = 1;
2954 ha->fdt_block_size = size << 2;
2955 } else {
2956 ql_log(ql_log_warn, vha, 0x00ce,
2957 "Unsupported FAC firmware (%d.%02d.%02d).\n",
2958 ha->fw_major_version, ha->fw_minor_version,
2959 ha->fw_subminor_version);
2960
2961 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2962 ha->flags.fac_supported = 0;
2963 rval = QLA_SUCCESS;
2964 }
2965 }
2966 }
2967 failed:
2968 if (rval) {
2969 ql_log(ql_log_fatal, vha, 0x00cf,
2970 "Setup chip ****FAILED****.\n");
2971 }
2972
2973 return (rval);
2974 }
2975
2976 /**
2977 * qla2x00_init_response_q_entries() - Initializes response queue entries.
2978 * @ha: HA context
2979 *
2980 * Beginning of request ring has initialization control block already built
2981 * by nvram config routine.
2982 *
2983 * Returns 0 on success.
2984 */
2985 void
2986 qla2x00_init_response_q_entries(struct rsp_que *rsp)
2987 {
2988 uint16_t cnt;
2989 response_t *pkt;
2990
2991 rsp->ring_ptr = rsp->ring;
2992 rsp->ring_index = 0;
2993 rsp->status_srb = NULL;
2994 pkt = rsp->ring_ptr;
2995 for (cnt = 0; cnt < rsp->length; cnt++) {
2996 pkt->signature = RESPONSE_PROCESSED;
2997 pkt++;
2998 }
2999 }
3000
3001 /**
3002 * qla2x00_update_fw_options() - Read and process firmware options.
3003 * @ha: HA context
3004 *
3005 * Returns 0 on success.
3006 */
3007 void
3008 qla2x00_update_fw_options(scsi_qla_host_t *vha)
3009 {
3010 uint16_t swing, emphasis, tx_sens, rx_sens;
3011 struct qla_hw_data *ha = vha->hw;
3012
3013 memset(ha->fw_options, 0, sizeof(ha->fw_options));
3014 qla2x00_get_fw_options(vha, ha->fw_options);
3015
3016 if (IS_QLA2100(ha) || IS_QLA2200(ha))
3017 return;
3018
3019 /* Serial Link options. */
3020 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
3021 "Serial link options.\n");
3022 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
3023 (uint8_t *)&ha->fw_seriallink_options,
3024 sizeof(ha->fw_seriallink_options));
3025
3026 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
3027 if (ha->fw_seriallink_options[3] & BIT_2) {
3028 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
3029
3030 /* 1G settings */
3031 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
3032 emphasis = (ha->fw_seriallink_options[2] &
3033 (BIT_4 | BIT_3)) >> 3;
3034 tx_sens = ha->fw_seriallink_options[0] &
3035 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3036 rx_sens = (ha->fw_seriallink_options[0] &
3037 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3038 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
3039 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3040 if (rx_sens == 0x0)
3041 rx_sens = 0x3;
3042 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
3043 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3044 ha->fw_options[10] |= BIT_5 |
3045 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3046 (tx_sens & (BIT_1 | BIT_0));
3047
3048 /* 2G settings */
3049 swing = (ha->fw_seriallink_options[2] &
3050 (BIT_7 | BIT_6 | BIT_5)) >> 5;
3051 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
3052 tx_sens = ha->fw_seriallink_options[1] &
3053 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3054 rx_sens = (ha->fw_seriallink_options[1] &
3055 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3056 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
3057 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3058 if (rx_sens == 0x0)
3059 rx_sens = 0x3;
3060 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
3061 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3062 ha->fw_options[11] |= BIT_5 |
3063 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3064 (tx_sens & (BIT_1 | BIT_0));
3065 }
3066
3067 /* FCP2 options. */
3068 /* Return command IOCBs without waiting for an ABTS to complete. */
3069 ha->fw_options[3] |= BIT_13;
3070
3071 /* LED scheme. */
3072 if (ha->flags.enable_led_scheme)
3073 ha->fw_options[2] |= BIT_12;
3074
3075 /* Detect ISP6312. */
3076 if (IS_QLA6312(ha))
3077 ha->fw_options[2] |= BIT_13;
3078
3079 /* Set Retry FLOGI in case of P2P connection */
3080 if (ha->operating_mode == P2P) {
3081 ha->fw_options[2] |= BIT_3;
3082 ql_dbg(ql_dbg_disc, vha, 0x2100,
3083 "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3084 __func__, ha->fw_options[2]);
3085 }
3086
3087 /* Update firmware options. */
3088 qla2x00_set_fw_options(vha, ha->fw_options);
3089 }
3090
3091 void
3092 qla24xx_update_fw_options(scsi_qla_host_t *vha)
3093 {
3094 int rval;
3095 struct qla_hw_data *ha = vha->hw;
3096
3097 if (IS_P3P_TYPE(ha))
3098 return;
3099
3100 /* Hold status IOCBs until ABTS response received. */
3101 if (ql2xfwholdabts)
3102 ha->fw_options[3] |= BIT_12;
3103
3104 /* Set Retry FLOGI in case of P2P connection */
3105 if (ha->operating_mode == P2P) {
3106 ha->fw_options[2] |= BIT_3;
3107 ql_dbg(ql_dbg_disc, vha, 0x2101,
3108 "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3109 __func__, ha->fw_options[2]);
3110 }
3111
3112 /* Move PUREX, ABTS RX & RIDA to ATIOQ */
3113 if (ql2xmvasynctoatio &&
3114 (IS_QLA83XX(ha) || IS_QLA27XX(ha))) {
3115 if (qla_tgt_mode_enabled(vha) ||
3116 qla_dual_mode_enabled(vha))
3117 ha->fw_options[2] |= BIT_11;
3118 else
3119 ha->fw_options[2] &= ~BIT_11;
3120 }
3121
3122 if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3123 /*
3124 * Tell FW to track each exchange to prevent
3125 * driver from using stale exchange.
3126 */
3127 if (qla_tgt_mode_enabled(vha) ||
3128 qla_dual_mode_enabled(vha))
3129 ha->fw_options[2] |= BIT_4;
3130 else
3131 ha->fw_options[2] &= ~BIT_4;
3132 }
3133
3134 ql_dbg(ql_dbg_init, vha, 0x00e8,
3135 "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
3136 __func__, ha->fw_options[1], ha->fw_options[2],
3137 ha->fw_options[3], vha->host->active_mode);
3138
3139 if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
3140 qla2x00_set_fw_options(vha, ha->fw_options);
3141
3142 /* Update Serial Link options. */
3143 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
3144 return;
3145
3146 rval = qla2x00_set_serdes_params(vha,
3147 le16_to_cpu(ha->fw_seriallink_options24[1]),
3148 le16_to_cpu(ha->fw_seriallink_options24[2]),
3149 le16_to_cpu(ha->fw_seriallink_options24[3]));
3150 if (rval != QLA_SUCCESS) {
3151 ql_log(ql_log_warn, vha, 0x0104,
3152 "Unable to update Serial Link options (%x).\n", rval);
3153 }
3154 }
3155
3156 void
3157 qla2x00_config_rings(struct scsi_qla_host *vha)
3158 {
3159 struct qla_hw_data *ha = vha->hw;
3160 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3161 struct req_que *req = ha->req_q_map[0];
3162 struct rsp_que *rsp = ha->rsp_q_map[0];
3163
3164 /* Setup ring parameters in initialization control block. */
3165 ha->init_cb->request_q_outpointer = cpu_to_le16(0);
3166 ha->init_cb->response_q_inpointer = cpu_to_le16(0);
3167 ha->init_cb->request_q_length = cpu_to_le16(req->length);
3168 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
3169 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3170 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3171 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3172 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3173
3174 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
3175 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
3176 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
3177 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
3178 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
3179 }
3180
3181 void
3182 qla24xx_config_rings(struct scsi_qla_host *vha)
3183 {
3184 struct qla_hw_data *ha = vha->hw;
3185 device_reg_t *reg = ISP_QUE_REG(ha, 0);
3186 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
3187 struct qla_msix_entry *msix;
3188 struct init_cb_24xx *icb;
3189 uint16_t rid = 0;
3190 struct req_que *req = ha->req_q_map[0];
3191 struct rsp_que *rsp = ha->rsp_q_map[0];
3192
3193 /* Setup ring parameters in initialization control block. */
3194 icb = (struct init_cb_24xx *)ha->init_cb;
3195 icb->request_q_outpointer = cpu_to_le16(0);
3196 icb->response_q_inpointer = cpu_to_le16(0);
3197 icb->request_q_length = cpu_to_le16(req->length);
3198 icb->response_q_length = cpu_to_le16(rsp->length);
3199 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3200 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3201 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3202 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3203
3204 /* Setup ATIO queue dma pointers for target mode */
3205 icb->atio_q_inpointer = cpu_to_le16(0);
3206 icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
3207 icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
3208 icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
3209
3210 if (IS_SHADOW_REG_CAPABLE(ha))
3211 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
3212
3213 if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3214 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
3215 icb->rid = cpu_to_le16(rid);
3216 if (ha->flags.msix_enabled) {
3217 msix = &ha->msix_entries[1];
3218 ql_dbg(ql_dbg_init, vha, 0x0019,
3219 "Registering vector 0x%x for base que.\n",
3220 msix->entry);
3221 icb->msix = cpu_to_le16(msix->entry);
3222 }
3223 /* Use alternate PCI bus number */
3224 if (MSB(rid))
3225 icb->firmware_options_2 |= cpu_to_le32(BIT_19);
3226 /* Use alternate PCI devfn */
3227 if (LSB(rid))
3228 icb->firmware_options_2 |= cpu_to_le32(BIT_18);
3229
3230 /* Use Disable MSIX Handshake mode for capable adapters */
3231 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
3232 (ha->flags.msix_enabled)) {
3233 icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
3234 ha->flags.disable_msix_handshake = 1;
3235 ql_dbg(ql_dbg_init, vha, 0x00fe,
3236 "MSIX Handshake Disable Mode turned on.\n");
3237 } else {
3238 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
3239 }
3240 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
3241
3242 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
3243 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
3244 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
3245 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
3246 } else {
3247 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
3248 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
3249 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
3250 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
3251 }
3252 qlt_24xx_config_rings(vha);
3253
3254 /* PCI posting */
3255 RD_REG_DWORD(&ioreg->hccr);
3256 }
3257
3258 /**
3259 * qla2x00_init_rings() - Initializes firmware.
3260 * @ha: HA context
3261 *
3262 * Beginning of request ring has initialization control block already built
3263 * by nvram config routine.
3264 *
3265 * Returns 0 on success.
3266 */
3267 int
3268 qla2x00_init_rings(scsi_qla_host_t *vha)
3269 {
3270 int rval;
3271 unsigned long flags = 0;
3272 int cnt, que;
3273 struct qla_hw_data *ha = vha->hw;
3274 struct req_que *req;
3275 struct rsp_que *rsp;
3276 struct mid_init_cb_24xx *mid_init_cb =
3277 (struct mid_init_cb_24xx *) ha->init_cb;
3278
3279 spin_lock_irqsave(&ha->hardware_lock, flags);
3280
3281 /* Clear outstanding commands array. */
3282 for (que = 0; que < ha->max_req_queues; que++) {
3283 req = ha->req_q_map[que];
3284 if (!req || !test_bit(que, ha->req_qid_map))
3285 continue;
3286 req->out_ptr = (void *)(req->ring + req->length);
3287 *req->out_ptr = 0;
3288 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
3289 req->outstanding_cmds[cnt] = NULL;
3290
3291 req->current_outstanding_cmd = 1;
3292
3293 /* Initialize firmware. */
3294 req->ring_ptr = req->ring;
3295 req->ring_index = 0;
3296 req->cnt = req->length;
3297 }
3298
3299 for (que = 0; que < ha->max_rsp_queues; que++) {
3300 rsp = ha->rsp_q_map[que];
3301 if (!rsp || !test_bit(que, ha->rsp_qid_map))
3302 continue;
3303 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
3304 *rsp->in_ptr = 0;
3305 /* Initialize response queue entries */
3306 if (IS_QLAFX00(ha))
3307 qlafx00_init_response_q_entries(rsp);
3308 else
3309 qla2x00_init_response_q_entries(rsp);
3310 }
3311
3312 ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
3313 ha->tgt.atio_ring_index = 0;
3314 /* Initialize ATIO queue entries */
3315 qlt_init_atio_q_entries(vha);
3316
3317 ha->isp_ops->config_rings(vha);
3318
3319 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3320
3321 ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
3322
3323 if (IS_QLAFX00(ha)) {
3324 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
3325 goto next_check;
3326 }
3327
3328 /* Update any ISP specific firmware options before initialization. */
3329 ha->isp_ops->update_fw_options(vha);
3330
3331 if (ha->flags.npiv_supported) {
3332 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
3333 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
3334 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
3335 }
3336
3337 if (IS_FWI2_CAPABLE(ha)) {
3338 mid_init_cb->options = cpu_to_le16(BIT_1);
3339 mid_init_cb->init_cb.execution_throttle =
3340 cpu_to_le16(ha->cur_fw_xcb_count);
3341 ha->flags.dport_enabled =
3342 (mid_init_cb->init_cb.firmware_options_1 & BIT_7) != 0;
3343 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
3344 (ha->flags.dport_enabled) ? "enabled" : "disabled");
3345 /* FA-WWPN Status */
3346 ha->flags.fawwpn_enabled =
3347 (mid_init_cb->init_cb.firmware_options_1 & BIT_6) != 0;
3348 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
3349 (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
3350 }
3351
3352 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
3353 next_check:
3354 if (rval) {
3355 ql_log(ql_log_fatal, vha, 0x00d2,
3356 "Init Firmware **** FAILED ****.\n");
3357 } else {
3358 ql_dbg(ql_dbg_init, vha, 0x00d3,
3359 "Init Firmware -- success.\n");
3360 QLA_FW_STARTED(ha);
3361 }
3362
3363 return (rval);
3364 }
3365
3366 /**
3367 * qla2x00_fw_ready() - Waits for firmware ready.
3368 * @ha: HA context
3369 *
3370 * Returns 0 on success.
3371 */
3372 static int
3373 qla2x00_fw_ready(scsi_qla_host_t *vha)
3374 {
3375 int rval;
3376 unsigned long wtime, mtime, cs84xx_time;
3377 uint16_t min_wait; /* Minimum wait time if loop is down */
3378 uint16_t wait_time; /* Wait time if loop is coming ready */
3379 uint16_t state[6];
3380 struct qla_hw_data *ha = vha->hw;
3381
3382 if (IS_QLAFX00(vha->hw))
3383 return qlafx00_fw_ready(vha);
3384
3385 rval = QLA_SUCCESS;
3386
3387 /* Time to wait for loop down */
3388 if (IS_P3P_TYPE(ha))
3389 min_wait = 30;
3390 else
3391 min_wait = 20;
3392
3393 /*
3394 * Firmware should take at most one RATOV to login, plus 5 seconds for
3395 * our own processing.
3396 */
3397 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
3398 wait_time = min_wait;
3399 }
3400
3401 /* Min wait time if loop down */
3402 mtime = jiffies + (min_wait * HZ);
3403
3404 /* wait time before firmware ready */
3405 wtime = jiffies + (wait_time * HZ);
3406
3407 /* Wait for ISP to finish LIP */
3408 if (!vha->flags.init_done)
3409 ql_log(ql_log_info, vha, 0x801e,
3410 "Waiting for LIP to complete.\n");
3411
3412 do {
3413 memset(state, -1, sizeof(state));
3414 rval = qla2x00_get_firmware_state(vha, state);
3415 if (rval == QLA_SUCCESS) {
3416 if (state[0] < FSTATE_LOSS_OF_SYNC) {
3417 vha->device_flags &= ~DFLG_NO_CABLE;
3418 }
3419 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
3420 ql_dbg(ql_dbg_taskm, vha, 0x801f,
3421 "fw_state=%x 84xx=%x.\n", state[0],
3422 state[2]);
3423 if ((state[2] & FSTATE_LOGGED_IN) &&
3424 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
3425 ql_dbg(ql_dbg_taskm, vha, 0x8028,
3426 "Sending verify iocb.\n");
3427
3428 cs84xx_time = jiffies;
3429 rval = qla84xx_init_chip(vha);
3430 if (rval != QLA_SUCCESS) {
3431 ql_log(ql_log_warn,
3432 vha, 0x8007,
3433 "Init chip failed.\n");
3434 break;
3435 }
3436
3437 /* Add time taken to initialize. */
3438 cs84xx_time = jiffies - cs84xx_time;
3439 wtime += cs84xx_time;
3440 mtime += cs84xx_time;
3441 ql_dbg(ql_dbg_taskm, vha, 0x8008,
3442 "Increasing wait time by %ld. "
3443 "New time %ld.\n", cs84xx_time,
3444 wtime);
3445 }
3446 } else if (state[0] == FSTATE_READY) {
3447 ql_dbg(ql_dbg_taskm, vha, 0x8037,
3448 "F/W Ready - OK.\n");
3449
3450 qla2x00_get_retry_cnt(vha, &ha->retry_count,
3451 &ha->login_timeout, &ha->r_a_tov);
3452
3453 rval = QLA_SUCCESS;
3454 break;
3455 }
3456
3457 rval = QLA_FUNCTION_FAILED;
3458
3459 if (atomic_read(&vha->loop_down_timer) &&
3460 state[0] != FSTATE_READY) {
3461 /* Loop down. Timeout on min_wait for states
3462 * other than Wait for Login.
3463 */
3464 if (time_after_eq(jiffies, mtime)) {
3465 ql_log(ql_log_info, vha, 0x8038,
3466 "Cable is unplugged...\n");
3467
3468 vha->device_flags |= DFLG_NO_CABLE;
3469 break;
3470 }
3471 }
3472 } else {
3473 /* Mailbox cmd failed. Timeout on min_wait. */
3474 if (time_after_eq(jiffies, mtime) ||
3475 ha->flags.isp82xx_fw_hung)
3476 break;
3477 }
3478
3479 if (time_after_eq(jiffies, wtime))
3480 break;
3481
3482 /* Delay for a while */
3483 msleep(500);
3484 } while (1);
3485
3486 ql_dbg(ql_dbg_taskm, vha, 0x803a,
3487 "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
3488 state[1], state[2], state[3], state[4], state[5], jiffies);
3489
3490 if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
3491 ql_log(ql_log_warn, vha, 0x803b,
3492 "Firmware ready **** FAILED ****.\n");
3493 }
3494
3495 return (rval);
3496 }
3497
3498 /*
3499 * qla2x00_configure_hba
3500 * Setup adapter context.
3501 *
3502 * Input:
3503 * ha = adapter state pointer.
3504 *
3505 * Returns:
3506 * 0 = success
3507 *
3508 * Context:
3509 * Kernel context.
3510 */
3511 static int
3512 qla2x00_configure_hba(scsi_qla_host_t *vha)
3513 {
3514 int rval;
3515 uint16_t loop_id;
3516 uint16_t topo;
3517 uint16_t sw_cap;
3518 uint8_t al_pa;
3519 uint8_t area;
3520 uint8_t domain;
3521 char connect_type[22];
3522 struct qla_hw_data *ha = vha->hw;
3523 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
3524 port_id_t id;
3525
3526 /* Get host addresses. */
3527 rval = qla2x00_get_adapter_id(vha,
3528 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
3529 if (rval != QLA_SUCCESS) {
3530 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
3531 IS_CNA_CAPABLE(ha) ||
3532 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
3533 ql_dbg(ql_dbg_disc, vha, 0x2008,
3534 "Loop is in a transition state.\n");
3535 } else {
3536 ql_log(ql_log_warn, vha, 0x2009,
3537 "Unable to get host loop ID.\n");
3538 if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
3539 (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
3540 ql_log(ql_log_warn, vha, 0x1151,
3541 "Doing link init.\n");
3542 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
3543 return rval;
3544 }
3545 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3546 }
3547 return (rval);
3548 }
3549
3550 if (topo == 4) {
3551 ql_log(ql_log_info, vha, 0x200a,
3552 "Cannot get topology - retrying.\n");
3553 return (QLA_FUNCTION_FAILED);
3554 }
3555
3556 vha->loop_id = loop_id;
3557
3558 /* initialize */
3559 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
3560 ha->operating_mode = LOOP;
3561 ha->switch_cap = 0;
3562
3563 switch (topo) {
3564 case 0:
3565 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
3566 ha->current_topology = ISP_CFG_NL;
3567 strcpy(connect_type, "(Loop)");
3568 break;
3569
3570 case 1:
3571 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
3572 ha->switch_cap = sw_cap;
3573 ha->current_topology = ISP_CFG_FL;
3574 strcpy(connect_type, "(FL_Port)");
3575 break;
3576
3577 case 2:
3578 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
3579 ha->operating_mode = P2P;
3580 ha->current_topology = ISP_CFG_N;
3581 strcpy(connect_type, "(N_Port-to-N_Port)");
3582 break;
3583
3584 case 3:
3585 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
3586 ha->switch_cap = sw_cap;
3587 ha->operating_mode = P2P;
3588 ha->current_topology = ISP_CFG_F;
3589 strcpy(connect_type, "(F_Port)");
3590 break;
3591
3592 default:
3593 ql_dbg(ql_dbg_disc, vha, 0x200f,
3594 "HBA in unknown topology %x, using NL.\n", topo);
3595 ha->current_topology = ISP_CFG_NL;
3596 strcpy(connect_type, "(Loop)");
3597 break;
3598 }
3599
3600 /* Save Host port and loop ID. */
3601 /* byte order - Big Endian */
3602 id.b.domain = domain;
3603 id.b.area = area;
3604 id.b.al_pa = al_pa;
3605 id.b.rsvd_1 = 0;
3606 qlt_update_host_map(vha, id);
3607
3608 if (!vha->flags.init_done)
3609 ql_log(ql_log_info, vha, 0x2010,
3610 "Topology - %s, Host Loop address 0x%x.\n",
3611 connect_type, vha->loop_id);
3612
3613 return(rval);
3614 }
3615
3616 inline void
3617 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
3618 char *def)
3619 {
3620 char *st, *en;
3621 uint16_t index;
3622 struct qla_hw_data *ha = vha->hw;
3623 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
3624 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
3625
3626 if (memcmp(model, BINZERO, len) != 0) {
3627 strncpy(ha->model_number, model, len);
3628 st = en = ha->model_number;
3629 en += len - 1;
3630 while (en > st) {
3631 if (*en != 0x20 && *en != 0x00)
3632 break;
3633 *en-- = '\0';
3634 }
3635
3636 index = (ha->pdev->subsystem_device & 0xff);
3637 if (use_tbl &&
3638 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
3639 index < QLA_MODEL_NAMES)
3640 strncpy(ha->model_desc,
3641 qla2x00_model_name[index * 2 + 1],
3642 sizeof(ha->model_desc) - 1);
3643 } else {
3644 index = (ha->pdev->subsystem_device & 0xff);
3645 if (use_tbl &&
3646 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
3647 index < QLA_MODEL_NAMES) {
3648 strcpy(ha->model_number,
3649 qla2x00_model_name[index * 2]);
3650 strncpy(ha->model_desc,
3651 qla2x00_model_name[index * 2 + 1],
3652 sizeof(ha->model_desc) - 1);
3653 } else {
3654 strcpy(ha->model_number, def);
3655 }
3656 }
3657 if (IS_FWI2_CAPABLE(ha))
3658 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
3659 sizeof(ha->model_desc));
3660 }
3661
3662 /* On sparc systems, obtain port and node WWN from firmware
3663 * properties.
3664 */
3665 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
3666 {
3667 #ifdef CONFIG_SPARC
3668 struct qla_hw_data *ha = vha->hw;
3669 struct pci_dev *pdev = ha->pdev;
3670 struct device_node *dp = pci_device_to_OF_node(pdev);
3671 const u8 *val;
3672 int len;
3673
3674 val = of_get_property(dp, "port-wwn", &len);
3675 if (val && len >= WWN_SIZE)
3676 memcpy(nv->port_name, val, WWN_SIZE);
3677
3678 val = of_get_property(dp, "node-wwn", &len);
3679 if (val && len >= WWN_SIZE)
3680 memcpy(nv->node_name, val, WWN_SIZE);
3681 #endif
3682 }
3683
3684 /*
3685 * NVRAM configuration for ISP 2xxx
3686 *
3687 * Input:
3688 * ha = adapter block pointer.
3689 *
3690 * Output:
3691 * initialization control block in response_ring
3692 * host adapters parameters in host adapter block
3693 *
3694 * Returns:
3695 * 0 = success.
3696 */
3697 int
3698 qla2x00_nvram_config(scsi_qla_host_t *vha)
3699 {
3700 int rval;
3701 uint8_t chksum = 0;
3702 uint16_t cnt;
3703 uint8_t *dptr1, *dptr2;
3704 struct qla_hw_data *ha = vha->hw;
3705 init_cb_t *icb = ha->init_cb;
3706 nvram_t *nv = ha->nvram;
3707 uint8_t *ptr = ha->nvram;
3708 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3709
3710 rval = QLA_SUCCESS;
3711
3712 /* Determine NVRAM starting address. */
3713 ha->nvram_size = sizeof(nvram_t);
3714 ha->nvram_base = 0;
3715 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
3716 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
3717 ha->nvram_base = 0x80;
3718
3719 /* Get NVRAM data and calculate checksum. */
3720 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
3721 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
3722 chksum += *ptr++;
3723
3724 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
3725 "Contents of NVRAM.\n");
3726 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
3727 (uint8_t *)nv, ha->nvram_size);
3728
3729 /* Bad NVRAM data, set defaults parameters. */
3730 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
3731 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
3732 /* Reset NVRAM data. */
3733 ql_log(ql_log_warn, vha, 0x0064,
3734 "Inconsistent NVRAM "
3735 "detected: checksum=0x%x id=%c version=0x%x.\n",
3736 chksum, nv->id[0], nv->nvram_version);
3737 ql_log(ql_log_warn, vha, 0x0065,
3738 "Falling back to "
3739 "functioning (yet invalid -- WWPN) defaults.\n");
3740
3741 /*
3742 * Set default initialization control block.
3743 */
3744 memset(nv, 0, ha->nvram_size);
3745 nv->parameter_block_version = ICB_VERSION;
3746
3747 if (IS_QLA23XX(ha)) {
3748 nv->firmware_options[0] = BIT_2 | BIT_1;
3749 nv->firmware_options[1] = BIT_7 | BIT_5;
3750 nv->add_firmware_options[0] = BIT_5;
3751 nv->add_firmware_options[1] = BIT_5 | BIT_4;
3752 nv->frame_payload_size = 2048;
3753 nv->special_options[1] = BIT_7;
3754 } else if (IS_QLA2200(ha)) {
3755 nv->firmware_options[0] = BIT_2 | BIT_1;
3756 nv->firmware_options[1] = BIT_7 | BIT_5;
3757 nv->add_firmware_options[0] = BIT_5;
3758 nv->add_firmware_options[1] = BIT_5 | BIT_4;
3759 nv->frame_payload_size = 1024;
3760 } else if (IS_QLA2100(ha)) {
3761 nv->firmware_options[0] = BIT_3 | BIT_1;
3762 nv->firmware_options[1] = BIT_5;
3763 nv->frame_payload_size = 1024;
3764 }
3765
3766 nv->max_iocb_allocation = cpu_to_le16(256);
3767 nv->execution_throttle = cpu_to_le16(16);
3768 nv->retry_count = 8;
3769 nv->retry_delay = 1;
3770
3771 nv->port_name[0] = 33;
3772 nv->port_name[3] = 224;
3773 nv->port_name[4] = 139;
3774
3775 qla2xxx_nvram_wwn_from_ofw(vha, nv);
3776
3777 nv->login_timeout = 4;
3778
3779 /*
3780 * Set default host adapter parameters
3781 */
3782 nv->host_p[1] = BIT_2;
3783 nv->reset_delay = 5;
3784 nv->port_down_retry_count = 8;
3785 nv->max_luns_per_target = cpu_to_le16(8);
3786 nv->link_down_timeout = 60;
3787
3788 rval = 1;
3789 }
3790
3791 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
3792 /*
3793 * The SN2 does not provide BIOS emulation which means you can't change
3794 * potentially bogus BIOS settings. Force the use of default settings
3795 * for link rate and frame size. Hope that the rest of the settings
3796 * are valid.
3797 */
3798 if (ia64_platform_is("sn2")) {
3799 nv->frame_payload_size = 2048;
3800 if (IS_QLA23XX(ha))
3801 nv->special_options[1] = BIT_7;
3802 }
3803 #endif
3804
3805 /* Reset Initialization control block */
3806 memset(icb, 0, ha->init_cb_size);
3807
3808 /*
3809 * Setup driver NVRAM options.
3810 */
3811 nv->firmware_options[0] |= (BIT_6 | BIT_1);
3812 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
3813 nv->firmware_options[1] |= (BIT_5 | BIT_0);
3814 nv->firmware_options[1] &= ~BIT_4;
3815
3816 if (IS_QLA23XX(ha)) {
3817 nv->firmware_options[0] |= BIT_2;
3818 nv->firmware_options[0] &= ~BIT_3;
3819 nv->special_options[0] &= ~BIT_6;
3820 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
3821
3822 if (IS_QLA2300(ha)) {
3823 if (ha->fb_rev == FPM_2310) {
3824 strcpy(ha->model_number, "QLA2310");
3825 } else {
3826 strcpy(ha->model_number, "QLA2300");
3827 }
3828 } else {
3829 qla2x00_set_model_info(vha, nv->model_number,
3830 sizeof(nv->model_number), "QLA23xx");
3831 }
3832 } else if (IS_QLA2200(ha)) {
3833 nv->firmware_options[0] |= BIT_2;
3834 /*
3835 * 'Point-to-point preferred, else loop' is not a safe
3836 * connection mode setting.
3837 */
3838 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
3839 (BIT_5 | BIT_4)) {
3840 /* Force 'loop preferred, else point-to-point'. */
3841 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
3842 nv->add_firmware_options[0] |= BIT_5;
3843 }
3844 strcpy(ha->model_number, "QLA22xx");
3845 } else /*if (IS_QLA2100(ha))*/ {
3846 strcpy(ha->model_number, "QLA2100");
3847 }
3848
3849 /*
3850 * Copy over NVRAM RISC parameter block to initialization control block.
3851 */
3852 dptr1 = (uint8_t *)icb;
3853 dptr2 = (uint8_t *)&nv->parameter_block_version;
3854 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
3855 while (cnt--)
3856 *dptr1++ = *dptr2++;
3857
3858 /* Copy 2nd half. */
3859 dptr1 = (uint8_t *)icb->add_firmware_options;
3860 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
3861 while (cnt--)
3862 *dptr1++ = *dptr2++;
3863
3864 /* Use alternate WWN? */
3865 if (nv->host_p[1] & BIT_7) {
3866 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3867 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3868 }
3869
3870 /* Prepare nodename */
3871 if ((icb->firmware_options[1] & BIT_6) == 0) {
3872 /*
3873 * Firmware will apply the following mask if the nodename was
3874 * not provided.
3875 */
3876 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3877 icb->node_name[0] &= 0xF0;
3878 }
3879
3880 /*
3881 * Set host adapter parameters.
3882 */
3883
3884 /*
3885 * BIT_7 in the host-parameters section allows for modification to
3886 * internal driver logging.
3887 */
3888 if (nv->host_p[0] & BIT_7)
3889 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
3890 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
3891 /* Always load RISC code on non ISP2[12]00 chips. */
3892 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
3893 ha->flags.disable_risc_code_load = 0;
3894 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
3895 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
3896 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
3897 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
3898 ha->flags.disable_serdes = 0;
3899
3900 ha->operating_mode =
3901 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
3902
3903 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
3904 sizeof(ha->fw_seriallink_options));
3905
3906 /* save HBA serial number */
3907 ha->serial0 = icb->port_name[5];
3908 ha->serial1 = icb->port_name[6];
3909 ha->serial2 = icb->port_name[7];
3910 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3911 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
3912
3913 icb->execution_throttle = cpu_to_le16(0xFFFF);
3914
3915 ha->retry_count = nv->retry_count;
3916
3917 /* Set minimum login_timeout to 4 seconds. */
3918 if (nv->login_timeout != ql2xlogintimeout)
3919 nv->login_timeout = ql2xlogintimeout;
3920 if (nv->login_timeout < 4)
3921 nv->login_timeout = 4;
3922 ha->login_timeout = nv->login_timeout;
3923
3924 /* Set minimum RATOV to 100 tenths of a second. */
3925 ha->r_a_tov = 100;
3926
3927 ha->loop_reset_delay = nv->reset_delay;
3928
3929 /* Link Down Timeout = 0:
3930 *
3931 * When Port Down timer expires we will start returning
3932 * I/O's to OS with "DID_NO_CONNECT".
3933 *
3934 * Link Down Timeout != 0:
3935 *
3936 * The driver waits for the link to come up after link down
3937 * before returning I/Os to OS with "DID_NO_CONNECT".
3938 */
3939 if (nv->link_down_timeout == 0) {
3940 ha->loop_down_abort_time =
3941 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3942 } else {
3943 ha->link_down_timeout = nv->link_down_timeout;
3944 ha->loop_down_abort_time =
3945 (LOOP_DOWN_TIME - ha->link_down_timeout);
3946 }
3947
3948 /*
3949 * Need enough time to try and get the port back.
3950 */
3951 ha->port_down_retry_count = nv->port_down_retry_count;
3952 if (qlport_down_retry)
3953 ha->port_down_retry_count = qlport_down_retry;
3954 /* Set login_retry_count */
3955 ha->login_retry_count = nv->retry_count;
3956 if (ha->port_down_retry_count == nv->port_down_retry_count &&
3957 ha->port_down_retry_count > 3)
3958 ha->login_retry_count = ha->port_down_retry_count;
3959 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3960 ha->login_retry_count = ha->port_down_retry_count;
3961 if (ql2xloginretrycount)
3962 ha->login_retry_count = ql2xloginretrycount;
3963
3964 icb->lun_enables = cpu_to_le16(0);
3965 icb->command_resource_count = 0;
3966 icb->immediate_notify_resource_count = 0;
3967 icb->timeout = cpu_to_le16(0);
3968
3969 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3970 /* Enable RIO */
3971 icb->firmware_options[0] &= ~BIT_3;
3972 icb->add_firmware_options[0] &=
3973 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
3974 icb->add_firmware_options[0] |= BIT_2;
3975 icb->response_accumulation_timer = 3;
3976 icb->interrupt_delay_timer = 5;
3977
3978 vha->flags.process_response_queue = 1;
3979 } else {
3980 /* Enable ZIO. */
3981 if (!vha->flags.init_done) {
3982 ha->zio_mode = icb->add_firmware_options[0] &
3983 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3984 ha->zio_timer = icb->interrupt_delay_timer ?
3985 icb->interrupt_delay_timer: 2;
3986 }
3987 icb->add_firmware_options[0] &=
3988 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
3989 vha->flags.process_response_queue = 0;
3990 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3991 ha->zio_mode = QLA_ZIO_MODE_6;
3992
3993 ql_log(ql_log_info, vha, 0x0068,
3994 "ZIO mode %d enabled; timer delay (%d us).\n",
3995 ha->zio_mode, ha->zio_timer * 100);
3996
3997 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
3998 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
3999 vha->flags.process_response_queue = 1;
4000 }
4001 }
4002
4003 if (rval) {
4004 ql_log(ql_log_warn, vha, 0x0069,
4005 "NVRAM configuration failed.\n");
4006 }
4007 return (rval);
4008 }
4009
4010 static void
4011 qla2x00_rport_del(void *data)
4012 {
4013 fc_port_t *fcport = data;
4014 struct fc_rport *rport;
4015 unsigned long flags;
4016
4017 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4018 rport = fcport->drport ? fcport->drport: fcport->rport;
4019 fcport->drport = NULL;
4020 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4021 if (rport) {
4022 ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
4023 "%s %8phN. rport %p roles %x\n",
4024 __func__, fcport->port_name, rport,
4025 rport->roles);
4026
4027 fc_remote_port_delete(rport);
4028 }
4029 }
4030
4031 /**
4032 * qla2x00_alloc_fcport() - Allocate a generic fcport.
4033 * @ha: HA context
4034 * @flags: allocation flags
4035 *
4036 * Returns a pointer to the allocated fcport, or NULL, if none available.
4037 */
4038 fc_port_t *
4039 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
4040 {
4041 fc_port_t *fcport;
4042
4043 fcport = kzalloc(sizeof(fc_port_t), flags);
4044 if (!fcport)
4045 return NULL;
4046
4047 /* Setup fcport template structure. */
4048 fcport->vha = vha;
4049 fcport->port_type = FCT_UNKNOWN;
4050 fcport->loop_id = FC_NO_LOOP_ID;
4051 qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
4052 fcport->supported_classes = FC_COS_UNSPECIFIED;
4053
4054 fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
4055 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
4056 flags);
4057 fcport->disc_state = DSC_DELETED;
4058 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4059 fcport->deleted = QLA_SESS_DELETED;
4060 fcport->login_retry = vha->hw->login_retry_count;
4061 fcport->login_retry = 5;
4062 fcport->logout_on_delete = 1;
4063
4064 if (!fcport->ct_desc.ct_sns) {
4065 ql_log(ql_log_warn, vha, 0xd049,
4066 "Failed to allocate ct_sns request.\n");
4067 kfree(fcport);
4068 fcport = NULL;
4069 }
4070 INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
4071 INIT_LIST_HEAD(&fcport->gnl_entry);
4072 INIT_LIST_HEAD(&fcport->list);
4073
4074 return fcport;
4075 }
4076
4077 void
4078 qla2x00_free_fcport(fc_port_t *fcport)
4079 {
4080 if (fcport->ct_desc.ct_sns) {
4081 dma_free_coherent(&fcport->vha->hw->pdev->dev,
4082 sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
4083 fcport->ct_desc.ct_sns_dma);
4084
4085 fcport->ct_desc.ct_sns = NULL;
4086 }
4087 kfree(fcport);
4088 }
4089
4090 /*
4091 * qla2x00_configure_loop
4092 * Updates Fibre Channel Device Database with what is actually on loop.
4093 *
4094 * Input:
4095 * ha = adapter block pointer.
4096 *
4097 * Returns:
4098 * 0 = success.
4099 * 1 = error.
4100 * 2 = database was full and device was not configured.
4101 */
4102 static int
4103 qla2x00_configure_loop(scsi_qla_host_t *vha)
4104 {
4105 int rval;
4106 unsigned long flags, save_flags;
4107 struct qla_hw_data *ha = vha->hw;
4108 rval = QLA_SUCCESS;
4109
4110 /* Get Initiator ID */
4111 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
4112 rval = qla2x00_configure_hba(vha);
4113 if (rval != QLA_SUCCESS) {
4114 ql_dbg(ql_dbg_disc, vha, 0x2013,
4115 "Unable to configure HBA.\n");
4116 return (rval);
4117 }
4118 }
4119
4120 save_flags = flags = vha->dpc_flags;
4121 ql_dbg(ql_dbg_disc, vha, 0x2014,
4122 "Configure loop -- dpc flags = 0x%lx.\n", flags);
4123
4124 /*
4125 * If we have both an RSCN and PORT UPDATE pending then handle them
4126 * both at the same time.
4127 */
4128 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4129 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
4130
4131 qla2x00_get_data_rate(vha);
4132
4133 /* Determine what we need to do */
4134 if (ha->current_topology == ISP_CFG_FL &&
4135 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4136
4137 set_bit(RSCN_UPDATE, &flags);
4138
4139 } else if (ha->current_topology == ISP_CFG_F &&
4140 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4141
4142 set_bit(RSCN_UPDATE, &flags);
4143 clear_bit(LOCAL_LOOP_UPDATE, &flags);
4144
4145 } else if (ha->current_topology == ISP_CFG_N) {
4146 clear_bit(RSCN_UPDATE, &flags);
4147 } else if (ha->current_topology == ISP_CFG_NL) {
4148 clear_bit(RSCN_UPDATE, &flags);
4149 set_bit(LOCAL_LOOP_UPDATE, &flags);
4150 } else if (!vha->flags.online ||
4151 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
4152 set_bit(RSCN_UPDATE, &flags);
4153 set_bit(LOCAL_LOOP_UPDATE, &flags);
4154 }
4155
4156 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
4157 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4158 ql_dbg(ql_dbg_disc, vha, 0x2015,
4159 "Loop resync needed, failing.\n");
4160 rval = QLA_FUNCTION_FAILED;
4161 } else
4162 rval = qla2x00_configure_local_loop(vha);
4163 }
4164
4165 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
4166 if (LOOP_TRANSITION(vha)) {
4167 ql_dbg(ql_dbg_disc, vha, 0x2099,
4168 "Needs RSCN update and loop transition.\n");
4169 rval = QLA_FUNCTION_FAILED;
4170 }
4171 else
4172 rval = qla2x00_configure_fabric(vha);
4173 }
4174
4175 if (rval == QLA_SUCCESS) {
4176 if (atomic_read(&vha->loop_down_timer) ||
4177 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4178 rval = QLA_FUNCTION_FAILED;
4179 } else {
4180 atomic_set(&vha->loop_state, LOOP_READY);
4181 ql_dbg(ql_dbg_disc, vha, 0x2069,
4182 "LOOP READY.\n");
4183 ha->flags.fw_init_done = 1;
4184
4185 /*
4186 * Process any ATIO queue entries that came in
4187 * while we weren't online.
4188 */
4189 if (qla_tgt_mode_enabled(vha) ||
4190 qla_dual_mode_enabled(vha)) {
4191 if (IS_QLA27XX(ha) || IS_QLA83XX(ha)) {
4192 spin_lock_irqsave(&ha->tgt.atio_lock,
4193 flags);
4194 qlt_24xx_process_atio_queue(vha, 0);
4195 spin_unlock_irqrestore(
4196 &ha->tgt.atio_lock, flags);
4197 } else {
4198 spin_lock_irqsave(&ha->hardware_lock,
4199 flags);
4200 qlt_24xx_process_atio_queue(vha, 1);
4201 spin_unlock_irqrestore(
4202 &ha->hardware_lock, flags);
4203 }
4204 }
4205 }
4206 }
4207
4208 if (rval) {
4209 ql_dbg(ql_dbg_disc, vha, 0x206a,
4210 "%s *** FAILED ***.\n", __func__);
4211 } else {
4212 ql_dbg(ql_dbg_disc, vha, 0x206b,
4213 "%s: exiting normally.\n", __func__);
4214 }
4215
4216 /* Restore state if a resync event occurred during processing */
4217 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4218 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
4219 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4220 if (test_bit(RSCN_UPDATE, &save_flags)) {
4221 set_bit(RSCN_UPDATE, &vha->dpc_flags);
4222 }
4223 }
4224
4225 return (rval);
4226 }
4227
4228
4229
4230 /*
4231 * qla2x00_configure_local_loop
4232 * Updates Fibre Channel Device Database with local loop devices.
4233 *
4234 * Input:
4235 * ha = adapter block pointer.
4236 *
4237 * Returns:
4238 * 0 = success.
4239 */
4240 static int
4241 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
4242 {
4243 int rval, rval2;
4244 int found_devs;
4245 int found;
4246 fc_port_t *fcport, *new_fcport;
4247
4248 uint16_t index;
4249 uint16_t entries;
4250 char *id_iter;
4251 uint16_t loop_id;
4252 uint8_t domain, area, al_pa;
4253 struct qla_hw_data *ha = vha->hw;
4254 unsigned long flags;
4255
4256 found_devs = 0;
4257 new_fcport = NULL;
4258 entries = MAX_FIBRE_DEVICES_LOOP;
4259
4260 /* Get list of logged in devices. */
4261 memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
4262 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
4263 &entries);
4264 if (rval != QLA_SUCCESS)
4265 goto cleanup_allocation;
4266
4267 ql_dbg(ql_dbg_disc, vha, 0x2011,
4268 "Entries in ID list (%d).\n", entries);
4269 ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
4270 (uint8_t *)ha->gid_list,
4271 entries * sizeof(struct gid_list_info));
4272
4273 /* Allocate temporary fcport for any new fcports discovered. */
4274 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4275 if (new_fcport == NULL) {
4276 ql_log(ql_log_warn, vha, 0x2012,
4277 "Memory allocation failed for fcport.\n");
4278 rval = QLA_MEMORY_ALLOC_FAILED;
4279 goto cleanup_allocation;
4280 }
4281 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
4282
4283 /*
4284 * Mark local devices that were present with FCF_DEVICE_LOST for now.
4285 */
4286 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4287 if (atomic_read(&fcport->state) == FCS_ONLINE &&
4288 fcport->port_type != FCT_BROADCAST &&
4289 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
4290
4291 ql_dbg(ql_dbg_disc, vha, 0x2096,
4292 "Marking port lost loop_id=0x%04x.\n",
4293 fcport->loop_id);
4294
4295 qla2x00_mark_device_lost(vha, fcport, 0, 0);
4296 }
4297 }
4298
4299 /* Add devices to port list. */
4300 id_iter = (char *)ha->gid_list;
4301 for (index = 0; index < entries; index++) {
4302 domain = ((struct gid_list_info *)id_iter)->domain;
4303 area = ((struct gid_list_info *)id_iter)->area;
4304 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
4305 if (IS_QLA2100(ha) || IS_QLA2200(ha))
4306 loop_id = (uint16_t)
4307 ((struct gid_list_info *)id_iter)->loop_id_2100;
4308 else
4309 loop_id = le16_to_cpu(
4310 ((struct gid_list_info *)id_iter)->loop_id);
4311 id_iter += ha->gid_list_info_size;
4312
4313 /* Bypass reserved domain fields. */
4314 if ((domain & 0xf0) == 0xf0)
4315 continue;
4316
4317 /* Bypass if not same domain and area of adapter. */
4318 if (area && domain &&
4319 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
4320 continue;
4321
4322 /* Bypass invalid local loop ID. */
4323 if (loop_id > LAST_LOCAL_LOOP_ID)
4324 continue;
4325
4326 memset(new_fcport->port_name, 0, WWN_SIZE);
4327
4328 /* Fill in member data. */
4329 new_fcport->d_id.b.domain = domain;
4330 new_fcport->d_id.b.area = area;
4331 new_fcport->d_id.b.al_pa = al_pa;
4332 new_fcport->loop_id = loop_id;
4333
4334 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
4335 if (rval2 != QLA_SUCCESS) {
4336 ql_dbg(ql_dbg_disc, vha, 0x2097,
4337 "Failed to retrieve fcport information "
4338 "-- get_port_database=%x, loop_id=0x%04x.\n",
4339 rval2, new_fcport->loop_id);
4340 ql_dbg(ql_dbg_disc, vha, 0x2105,
4341 "Scheduling resync.\n");
4342 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4343 continue;
4344 }
4345
4346 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4347 /* Check for matching device in port list. */
4348 found = 0;
4349 fcport = NULL;
4350 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4351 if (memcmp(new_fcport->port_name, fcport->port_name,
4352 WWN_SIZE))
4353 continue;
4354
4355 fcport->flags &= ~FCF_FABRIC_DEVICE;
4356 fcport->loop_id = new_fcport->loop_id;
4357 fcport->port_type = new_fcport->port_type;
4358 fcport->d_id.b24 = new_fcport->d_id.b24;
4359 memcpy(fcport->node_name, new_fcport->node_name,
4360 WWN_SIZE);
4361
4362 if (!fcport->login_succ) {
4363 vha->fcport_count++;
4364 fcport->login_succ = 1;
4365 fcport->disc_state = DSC_LOGIN_COMPLETE;
4366 }
4367
4368 found++;
4369 break;
4370 }
4371
4372 if (!found) {
4373 /* New device, add to fcports list. */
4374 list_add_tail(&new_fcport->list, &vha->vp_fcports);
4375
4376 /* Allocate a new replacement fcport. */
4377 fcport = new_fcport;
4378 if (!fcport->login_succ) {
4379 vha->fcport_count++;
4380 fcport->login_succ = 1;
4381 fcport->disc_state = DSC_LOGIN_COMPLETE;
4382 }
4383
4384 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4385
4386 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4387
4388 if (new_fcport == NULL) {
4389 ql_log(ql_log_warn, vha, 0xd031,
4390 "Failed to allocate memory for fcport.\n");
4391 rval = QLA_MEMORY_ALLOC_FAILED;
4392 goto cleanup_allocation;
4393 }
4394 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4395 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
4396 }
4397
4398 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4399
4400 /* Base iIDMA settings on HBA port speed. */
4401 fcport->fp_speed = ha->link_data_rate;
4402
4403 qla2x00_update_fcport(vha, fcport);
4404
4405 found_devs++;
4406 }
4407
4408 cleanup_allocation:
4409 kfree(new_fcport);
4410
4411 if (rval != QLA_SUCCESS) {
4412 ql_dbg(ql_dbg_disc, vha, 0x2098,
4413 "Configure local loop error exit: rval=%x.\n", rval);
4414 }
4415
4416 return (rval);
4417 }
4418
4419 static void
4420 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
4421 {
4422 int rval;
4423 uint16_t mb[MAILBOX_REGISTER_COUNT];
4424 struct qla_hw_data *ha = vha->hw;
4425
4426 if (!IS_IIDMA_CAPABLE(ha))
4427 return;
4428
4429 if (atomic_read(&fcport->state) != FCS_ONLINE)
4430 return;
4431
4432 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
4433 fcport->fp_speed > ha->link_data_rate)
4434 return;
4435
4436 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
4437 mb);
4438 if (rval != QLA_SUCCESS) {
4439 ql_dbg(ql_dbg_disc, vha, 0x2004,
4440 "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
4441 fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
4442 } else {
4443 ql_dbg(ql_dbg_disc, vha, 0x2005,
4444 "iIDMA adjusted to %s GB/s on %8phN.\n",
4445 qla2x00_get_link_speed_str(ha, fcport->fp_speed),
4446 fcport->port_name);
4447 }
4448 }
4449
4450 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
4451 static void
4452 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
4453 {
4454 struct fc_rport_identifiers rport_ids;
4455 struct fc_rport *rport;
4456 unsigned long flags;
4457
4458 rport_ids.node_name = wwn_to_u64(fcport->node_name);
4459 rport_ids.port_name = wwn_to_u64(fcport->port_name);
4460 rport_ids.port_id = fcport->d_id.b.domain << 16 |
4461 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
4462 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
4463 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
4464 if (!rport) {
4465 ql_log(ql_log_warn, vha, 0x2006,
4466 "Unable to allocate fc remote port.\n");
4467 return;
4468 }
4469
4470 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4471 *((fc_port_t **)rport->dd_data) = fcport;
4472 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4473
4474 rport->supported_classes = fcport->supported_classes;
4475
4476 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
4477 if (fcport->port_type == FCT_INITIATOR)
4478 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
4479 if (fcport->port_type == FCT_TARGET)
4480 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
4481
4482 ql_dbg(ql_dbg_disc, vha, 0x20ee,
4483 "%s %8phN. rport %p is %s mode\n",
4484 __func__, fcport->port_name, rport,
4485 (fcport->port_type == FCT_TARGET) ? "tgt" : "ini");
4486
4487 fc_remote_port_rolechg(rport, rport_ids.roles);
4488 }
4489
4490 /*
4491 * qla2x00_update_fcport
4492 * Updates device on list.
4493 *
4494 * Input:
4495 * ha = adapter block pointer.
4496 * fcport = port structure pointer.
4497 *
4498 * Return:
4499 * 0 - Success
4500 * BIT_0 - error
4501 *
4502 * Context:
4503 * Kernel context.
4504 */
4505 void
4506 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
4507 {
4508 fcport->vha = vha;
4509
4510 if (IS_SW_RESV_ADDR(fcport->d_id))
4511 return;
4512
4513 ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
4514 __func__, fcport->port_name);
4515
4516 if (IS_QLAFX00(vha->hw)) {
4517 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
4518 goto reg_port;
4519 }
4520 fcport->login_retry = 0;
4521 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4522 fcport->disc_state = DSC_LOGIN_COMPLETE;
4523 fcport->deleted = 0;
4524 fcport->logout_on_delete = 1;
4525
4526 if (fcport->fc4f_nvme) {
4527 qla_nvme_register_remote(vha, fcport);
4528 return;
4529 }
4530
4531 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
4532 qla2x00_iidma_fcport(vha, fcport);
4533 qla24xx_update_fcport_fcp_prio(vha, fcport);
4534
4535 reg_port:
4536 switch (vha->host->active_mode) {
4537 case MODE_INITIATOR:
4538 qla2x00_reg_remote_port(vha, fcport);
4539 break;
4540 case MODE_TARGET:
4541 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
4542 !vha->vha_tgt.qla_tgt->tgt_stopped)
4543 qlt_fc_port_added(vha, fcport);
4544 break;
4545 case MODE_DUAL:
4546 qla2x00_reg_remote_port(vha, fcport);
4547 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
4548 !vha->vha_tgt.qla_tgt->tgt_stopped)
4549 qlt_fc_port_added(vha, fcport);
4550 break;
4551 default:
4552 break;
4553 }
4554 }
4555
4556 /*
4557 * qla2x00_configure_fabric
4558 * Setup SNS devices with loop ID's.
4559 *
4560 * Input:
4561 * ha = adapter block pointer.
4562 *
4563 * Returns:
4564 * 0 = success.
4565 * BIT_0 = error
4566 */
4567 static int
4568 qla2x00_configure_fabric(scsi_qla_host_t *vha)
4569 {
4570 int rval;
4571 fc_port_t *fcport;
4572 uint16_t mb[MAILBOX_REGISTER_COUNT];
4573 uint16_t loop_id;
4574 LIST_HEAD(new_fcports);
4575 struct qla_hw_data *ha = vha->hw;
4576 int discovery_gen;
4577
4578 /* If FL port exists, then SNS is present */
4579 if (IS_FWI2_CAPABLE(ha))
4580 loop_id = NPH_F_PORT;
4581 else
4582 loop_id = SNS_FL_PORT;
4583 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
4584 if (rval != QLA_SUCCESS) {
4585 ql_dbg(ql_dbg_disc, vha, 0x20a0,
4586 "MBX_GET_PORT_NAME failed, No FL Port.\n");
4587
4588 vha->device_flags &= ~SWITCH_FOUND;
4589 return (QLA_SUCCESS);
4590 }
4591 vha->device_flags |= SWITCH_FOUND;
4592
4593
4594 if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
4595 rval = qla2x00_send_change_request(vha, 0x3, 0);
4596 if (rval != QLA_SUCCESS)
4597 ql_log(ql_log_warn, vha, 0x121,
4598 "Failed to enable receiving of RSCN requests: 0x%x.\n",
4599 rval);
4600 }
4601
4602
4603 do {
4604 qla2x00_mgmt_svr_login(vha);
4605
4606 /* FDMI support. */
4607 if (ql2xfdmienable &&
4608 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
4609 qla2x00_fdmi_register(vha);
4610
4611 /* Ensure we are logged into the SNS. */
4612 if (IS_FWI2_CAPABLE(ha))
4613 loop_id = NPH_SNS;
4614 else
4615 loop_id = SIMPLE_NAME_SERVER;
4616 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
4617 0xfc, mb, BIT_1|BIT_0);
4618 if (rval != QLA_SUCCESS) {
4619 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4620 return rval;
4621 }
4622 if (mb[0] != MBS_COMMAND_COMPLETE) {
4623 ql_dbg(ql_dbg_disc, vha, 0x20a1,
4624 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
4625 "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
4626 mb[2], mb[6], mb[7]);
4627 return (QLA_SUCCESS);
4628 }
4629
4630 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
4631 if (qla2x00_rft_id(vha)) {
4632 /* EMPTY */
4633 ql_dbg(ql_dbg_disc, vha, 0x20a2,
4634 "Register FC-4 TYPE failed.\n");
4635 if (test_bit(LOOP_RESYNC_NEEDED,
4636 &vha->dpc_flags))
4637 break;
4638 }
4639 if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
4640 /* EMPTY */
4641 ql_dbg(ql_dbg_disc, vha, 0x209a,
4642 "Register FC-4 Features failed.\n");
4643 if (test_bit(LOOP_RESYNC_NEEDED,
4644 &vha->dpc_flags))
4645 break;
4646 }
4647 if (vha->flags.nvme_enabled) {
4648 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
4649 ql_dbg(ql_dbg_disc, vha, 0x2049,
4650 "Register NVME FC Type Features failed.\n");
4651 }
4652 }
4653 if (qla2x00_rnn_id(vha)) {
4654 /* EMPTY */
4655 ql_dbg(ql_dbg_disc, vha, 0x2104,
4656 "Register Node Name failed.\n");
4657 if (test_bit(LOOP_RESYNC_NEEDED,
4658 &vha->dpc_flags))
4659 break;
4660 } else if (qla2x00_rsnn_nn(vha)) {
4661 /* EMPTY */
4662 ql_dbg(ql_dbg_disc, vha, 0x209b,
4663 "Register Symbolic Node Name failed.\n");
4664 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4665 break;
4666 }
4667 }
4668
4669 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4670 fcport->scan_state = QLA_FCPORT_SCAN;
4671 }
4672
4673 /* Mark the time right before querying FW for connected ports.
4674 * This process is long, asynchronous and by the time it's done,
4675 * collected information might not be accurate anymore. E.g.
4676 * disconnected port might have re-connected and a brand new
4677 * session has been created. In this case session's generation
4678 * will be newer than discovery_gen. */
4679 qlt_do_generation_tick(vha, &discovery_gen);
4680
4681 rval = qla2x00_find_all_fabric_devs(vha);
4682 if (rval != QLA_SUCCESS)
4683 break;
4684 } while (0);
4685
4686 if (!vha->nvme_local_port && vha->flags.nvme_enabled)
4687 qla_nvme_register_hba(vha);
4688
4689 if (rval)
4690 ql_dbg(ql_dbg_disc, vha, 0x2068,
4691 "Configure fabric error exit rval=%d.\n", rval);
4692
4693 return (rval);
4694 }
4695
4696 /*
4697 * qla2x00_find_all_fabric_devs
4698 *
4699 * Input:
4700 * ha = adapter block pointer.
4701 * dev = database device entry pointer.
4702 *
4703 * Returns:
4704 * 0 = success.
4705 *
4706 * Context:
4707 * Kernel context.
4708 */
4709 static int
4710 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
4711 {
4712 int rval;
4713 uint16_t loop_id;
4714 fc_port_t *fcport, *new_fcport;
4715 int found;
4716
4717 sw_info_t *swl;
4718 int swl_idx;
4719 int first_dev, last_dev;
4720 port_id_t wrap = {}, nxt_d_id;
4721 struct qla_hw_data *ha = vha->hw;
4722 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4723 unsigned long flags;
4724
4725 rval = QLA_SUCCESS;
4726
4727 /* Try GID_PT to get device list, else GAN. */
4728 if (!ha->swl)
4729 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
4730 GFP_KERNEL);
4731 swl = ha->swl;
4732 if (!swl) {
4733 /*EMPTY*/
4734 ql_dbg(ql_dbg_disc, vha, 0x209c,
4735 "GID_PT allocations failed, fallback on GA_NXT.\n");
4736 } else {
4737 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
4738 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
4739 swl = NULL;
4740 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4741 return rval;
4742 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
4743 swl = NULL;
4744 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4745 return rval;
4746 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
4747 swl = NULL;
4748 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4749 return rval;
4750 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
4751 swl = NULL;
4752 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4753 return rval;
4754 }
4755
4756 /* If other queries succeeded probe for FC-4 type */
4757 if (swl) {
4758 qla2x00_gff_id(vha, swl);
4759 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4760 return rval;
4761 }
4762 }
4763 swl_idx = 0;
4764
4765 /* Allocate temporary fcport for any new fcports discovered. */
4766 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4767 if (new_fcport == NULL) {
4768 ql_log(ql_log_warn, vha, 0x209d,
4769 "Failed to allocate memory for fcport.\n");
4770 return (QLA_MEMORY_ALLOC_FAILED);
4771 }
4772 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
4773 /* Set start port ID scan at adapter ID. */
4774 first_dev = 1;
4775 last_dev = 0;
4776
4777 /* Starting free loop ID. */
4778 loop_id = ha->min_external_loopid;
4779 for (; loop_id <= ha->max_loop_id; loop_id++) {
4780 if (qla2x00_is_reserved_id(vha, loop_id))
4781 continue;
4782
4783 if (ha->current_topology == ISP_CFG_FL &&
4784 (atomic_read(&vha->loop_down_timer) ||
4785 LOOP_TRANSITION(vha))) {
4786 atomic_set(&vha->loop_down_timer, 0);
4787 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4788 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4789 break;
4790 }
4791
4792 if (swl != NULL) {
4793 if (last_dev) {
4794 wrap.b24 = new_fcport->d_id.b24;
4795 } else {
4796 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
4797 memcpy(new_fcport->node_name,
4798 swl[swl_idx].node_name, WWN_SIZE);
4799 memcpy(new_fcport->port_name,
4800 swl[swl_idx].port_name, WWN_SIZE);
4801 memcpy(new_fcport->fabric_port_name,
4802 swl[swl_idx].fabric_port_name, WWN_SIZE);
4803 new_fcport->fp_speed = swl[swl_idx].fp_speed;
4804 new_fcport->fc4_type = swl[swl_idx].fc4_type;
4805
4806 new_fcport->nvme_flag = 0;
4807 if (vha->flags.nvme_enabled &&
4808 swl[swl_idx].fc4f_nvme) {
4809 new_fcport->fc4f_nvme =
4810 swl[swl_idx].fc4f_nvme;
4811 ql_log(ql_log_info, vha, 0x2131,
4812 "FOUND: NVME port %8phC as FC Type 28h\n",
4813 new_fcport->port_name);
4814 }
4815
4816 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
4817 last_dev = 1;
4818 }
4819 swl_idx++;
4820 }
4821 } else {
4822 /* Send GA_NXT to the switch */
4823 rval = qla2x00_ga_nxt(vha, new_fcport);
4824 if (rval != QLA_SUCCESS) {
4825 ql_log(ql_log_warn, vha, 0x209e,
4826 "SNS scan failed -- assuming "
4827 "zero-entry result.\n");
4828 rval = QLA_SUCCESS;
4829 break;
4830 }
4831 }
4832
4833 /* If wrap on switch device list, exit. */
4834 if (first_dev) {
4835 wrap.b24 = new_fcport->d_id.b24;
4836 first_dev = 0;
4837 } else if (new_fcport->d_id.b24 == wrap.b24) {
4838 ql_dbg(ql_dbg_disc, vha, 0x209f,
4839 "Device wrap (%02x%02x%02x).\n",
4840 new_fcport->d_id.b.domain,
4841 new_fcport->d_id.b.area,
4842 new_fcport->d_id.b.al_pa);
4843 break;
4844 }
4845
4846 /* Bypass if same physical adapter. */
4847 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
4848 continue;
4849
4850 /* Bypass virtual ports of the same host. */
4851 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
4852 continue;
4853
4854 /* Bypass if same domain and area of adapter. */
4855 if (((new_fcport->d_id.b24 & 0xffff00) ==
4856 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
4857 ISP_CFG_FL)
4858 continue;
4859
4860 /* Bypass reserved domain fields. */
4861 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
4862 continue;
4863
4864 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
4865 if (ql2xgffidenable &&
4866 (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
4867 new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
4868 continue;
4869
4870 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4871
4872 /* Locate matching device in database. */
4873 found = 0;
4874 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4875 if (memcmp(new_fcport->port_name, fcport->port_name,
4876 WWN_SIZE))
4877 continue;
4878
4879 fcport->scan_state = QLA_FCPORT_FOUND;
4880
4881 found++;
4882
4883 /* Update port state. */
4884 memcpy(fcport->fabric_port_name,
4885 new_fcport->fabric_port_name, WWN_SIZE);
4886 fcport->fp_speed = new_fcport->fp_speed;
4887
4888 /*
4889 * If address the same and state FCS_ONLINE
4890 * (or in target mode), nothing changed.
4891 */
4892 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
4893 (atomic_read(&fcport->state) == FCS_ONLINE ||
4894 (vha->host->active_mode == MODE_TARGET))) {
4895 break;
4896 }
4897
4898 /*
4899 * If device was not a fabric device before.
4900 */
4901 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
4902 fcport->d_id.b24 = new_fcport->d_id.b24;
4903 qla2x00_clear_loop_id(fcport);
4904 fcport->flags |= (FCF_FABRIC_DEVICE |
4905 FCF_LOGIN_NEEDED);
4906 break;
4907 }
4908
4909 /*
4910 * Port ID changed or device was marked to be updated;
4911 * Log it out if still logged in and mark it for
4912 * relogin later.
4913 */
4914 if (qla_tgt_mode_enabled(base_vha)) {
4915 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
4916 "port changed FC ID, %8phC"
4917 " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
4918 fcport->port_name,
4919 fcport->d_id.b.domain,
4920 fcport->d_id.b.area,
4921 fcport->d_id.b.al_pa,
4922 fcport->loop_id,
4923 new_fcport->d_id.b.domain,
4924 new_fcport->d_id.b.area,
4925 new_fcport->d_id.b.al_pa);
4926 fcport->d_id.b24 = new_fcport->d_id.b24;
4927 break;
4928 }
4929
4930 fcport->d_id.b24 = new_fcport->d_id.b24;
4931 fcport->flags |= FCF_LOGIN_NEEDED;
4932 break;
4933 }
4934
4935 if (found) {
4936 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4937 continue;
4938 }
4939 /* If device was not in our fcports list, then add it. */
4940 new_fcport->scan_state = QLA_FCPORT_FOUND;
4941 list_add_tail(&new_fcport->list, &vha->vp_fcports);
4942
4943 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4944
4945
4946 /* Allocate a new replacement fcport. */
4947 nxt_d_id.b24 = new_fcport->d_id.b24;
4948 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4949 if (new_fcport == NULL) {
4950 ql_log(ql_log_warn, vha, 0xd032,
4951 "Memory allocation failed for fcport.\n");
4952 return (QLA_MEMORY_ALLOC_FAILED);
4953 }
4954 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
4955 new_fcport->d_id.b24 = nxt_d_id.b24;
4956 }
4957
4958 qla2x00_free_fcport(new_fcport);
4959
4960 /*
4961 * Logout all previous fabric dev marked lost, except FCP2 devices.
4962 */
4963 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4964 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4965 break;
4966
4967 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
4968 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
4969 continue;
4970
4971 if (fcport->scan_state == QLA_FCPORT_SCAN) {
4972 if ((qla_dual_mode_enabled(vha) ||
4973 qla_ini_mode_enabled(vha)) &&
4974 atomic_read(&fcport->state) == FCS_ONLINE) {
4975 qla2x00_mark_device_lost(vha, fcport,
4976 ql2xplogiabsentdevice, 0);
4977 if (fcport->loop_id != FC_NO_LOOP_ID &&
4978 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
4979 fcport->port_type != FCT_INITIATOR &&
4980 fcport->port_type != FCT_BROADCAST) {
4981 ql_dbg(ql_dbg_disc, vha, 0x20f0,
4982 "%s %d %8phC post del sess\n",
4983 __func__, __LINE__,
4984 fcport->port_name);
4985
4986 qlt_schedule_sess_for_deletion_lock
4987 (fcport);
4988 continue;
4989 }
4990 }
4991 }
4992
4993 if (fcport->scan_state == QLA_FCPORT_FOUND)
4994 qla24xx_fcport_handle_login(vha, fcport);
4995 }
4996 return (rval);
4997 }
4998
4999 /*
5000 * qla2x00_find_new_loop_id
5001 * Scan through our port list and find a new usable loop ID.
5002 *
5003 * Input:
5004 * ha: adapter state pointer.
5005 * dev: port structure pointer.
5006 *
5007 * Returns:
5008 * qla2x00 local function return status code.
5009 *
5010 * Context:
5011 * Kernel context.
5012 */
5013 int
5014 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
5015 {
5016 int rval;
5017 struct qla_hw_data *ha = vha->hw;
5018 unsigned long flags = 0;
5019
5020 rval = QLA_SUCCESS;
5021
5022 spin_lock_irqsave(&ha->vport_slock, flags);
5023
5024 dev->loop_id = find_first_zero_bit(ha->loop_id_map,
5025 LOOPID_MAP_SIZE);
5026 if (dev->loop_id >= LOOPID_MAP_SIZE ||
5027 qla2x00_is_reserved_id(vha, dev->loop_id)) {
5028 dev->loop_id = FC_NO_LOOP_ID;
5029 rval = QLA_FUNCTION_FAILED;
5030 } else
5031 set_bit(dev->loop_id, ha->loop_id_map);
5032
5033 spin_unlock_irqrestore(&ha->vport_slock, flags);
5034
5035 if (rval == QLA_SUCCESS)
5036 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
5037 "Assigning new loopid=%x, portid=%x.\n",
5038 dev->loop_id, dev->d_id.b24);
5039 else
5040 ql_log(ql_log_warn, dev->vha, 0x2087,
5041 "No loop_id's available, portid=%x.\n",
5042 dev->d_id.b24);
5043
5044 return (rval);
5045 }
5046
5047
5048 /*
5049 * qla2x00_fabric_login
5050 * Issue fabric login command.
5051 *
5052 * Input:
5053 * ha = adapter block pointer.
5054 * device = pointer to FC device type structure.
5055 *
5056 * Returns:
5057 * 0 - Login successfully
5058 * 1 - Login failed
5059 * 2 - Initiator device
5060 * 3 - Fatal error
5061 */
5062 int
5063 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
5064 uint16_t *next_loopid)
5065 {
5066 int rval;
5067 int retry;
5068 uint16_t tmp_loopid;
5069 uint16_t mb[MAILBOX_REGISTER_COUNT];
5070 struct qla_hw_data *ha = vha->hw;
5071
5072 retry = 0;
5073 tmp_loopid = 0;
5074
5075 for (;;) {
5076 ql_dbg(ql_dbg_disc, vha, 0x2000,
5077 "Trying Fabric Login w/loop id 0x%04x for port "
5078 "%02x%02x%02x.\n",
5079 fcport->loop_id, fcport->d_id.b.domain,
5080 fcport->d_id.b.area, fcport->d_id.b.al_pa);
5081
5082 /* Login fcport on switch. */
5083 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
5084 fcport->d_id.b.domain, fcport->d_id.b.area,
5085 fcport->d_id.b.al_pa, mb, BIT_0);
5086 if (rval != QLA_SUCCESS) {
5087 return rval;
5088 }
5089 if (mb[0] == MBS_PORT_ID_USED) {
5090 /*
5091 * Device has another loop ID. The firmware team
5092 * recommends the driver perform an implicit login with
5093 * the specified ID again. The ID we just used is save
5094 * here so we return with an ID that can be tried by
5095 * the next login.
5096 */
5097 retry++;
5098 tmp_loopid = fcport->loop_id;
5099 fcport->loop_id = mb[1];
5100
5101 ql_dbg(ql_dbg_disc, vha, 0x2001,
5102 "Fabric Login: port in use - next loop "
5103 "id=0x%04x, port id= %02x%02x%02x.\n",
5104 fcport->loop_id, fcport->d_id.b.domain,
5105 fcport->d_id.b.area, fcport->d_id.b.al_pa);
5106
5107 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
5108 /*
5109 * Login succeeded.
5110 */
5111 if (retry) {
5112 /* A retry occurred before. */
5113 *next_loopid = tmp_loopid;
5114 } else {
5115 /*
5116 * No retry occurred before. Just increment the
5117 * ID value for next login.
5118 */
5119 *next_loopid = (fcport->loop_id + 1);
5120 }
5121
5122 if (mb[1] & BIT_0) {
5123 fcport->port_type = FCT_INITIATOR;
5124 } else {
5125 fcport->port_type = FCT_TARGET;
5126 if (mb[1] & BIT_1) {
5127 fcport->flags |= FCF_FCP2_DEVICE;
5128 }
5129 }
5130
5131 if (mb[10] & BIT_0)
5132 fcport->supported_classes |= FC_COS_CLASS2;
5133 if (mb[10] & BIT_1)
5134 fcport->supported_classes |= FC_COS_CLASS3;
5135
5136 if (IS_FWI2_CAPABLE(ha)) {
5137 if (mb[10] & BIT_7)
5138 fcport->flags |=
5139 FCF_CONF_COMP_SUPPORTED;
5140 }
5141
5142 rval = QLA_SUCCESS;
5143 break;
5144 } else if (mb[0] == MBS_LOOP_ID_USED) {
5145 /*
5146 * Loop ID already used, try next loop ID.
5147 */
5148 fcport->loop_id++;
5149 rval = qla2x00_find_new_loop_id(vha, fcport);
5150 if (rval != QLA_SUCCESS) {
5151 /* Ran out of loop IDs to use */
5152 break;
5153 }
5154 } else if (mb[0] == MBS_COMMAND_ERROR) {
5155 /*
5156 * Firmware possibly timed out during login. If NO
5157 * retries are left to do then the device is declared
5158 * dead.
5159 */
5160 *next_loopid = fcport->loop_id;
5161 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
5162 fcport->d_id.b.domain, fcport->d_id.b.area,
5163 fcport->d_id.b.al_pa);
5164 qla2x00_mark_device_lost(vha, fcport, 1, 0);
5165
5166 rval = 1;
5167 break;
5168 } else {
5169 /*
5170 * unrecoverable / not handled error
5171 */
5172 ql_dbg(ql_dbg_disc, vha, 0x2002,
5173 "Failed=%x port_id=%02x%02x%02x loop_id=%x "
5174 "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
5175 fcport->d_id.b.area, fcport->d_id.b.al_pa,
5176 fcport->loop_id, jiffies);
5177
5178 *next_loopid = fcport->loop_id;
5179 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
5180 fcport->d_id.b.domain, fcport->d_id.b.area,
5181 fcport->d_id.b.al_pa);
5182 qla2x00_clear_loop_id(fcport);
5183 fcport->login_retry = 0;
5184
5185 rval = 3;
5186 break;
5187 }
5188 }
5189
5190 return (rval);
5191 }
5192
5193 /*
5194 * qla2x00_local_device_login
5195 * Issue local device login command.
5196 *
5197 * Input:
5198 * ha = adapter block pointer.
5199 * loop_id = loop id of device to login to.
5200 *
5201 * Returns (Where's the #define!!!!):
5202 * 0 - Login successfully
5203 * 1 - Login failed
5204 * 3 - Fatal error
5205 */
5206 int
5207 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
5208 {
5209 int rval;
5210 uint16_t mb[MAILBOX_REGISTER_COUNT];
5211
5212 memset(mb, 0, sizeof(mb));
5213 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
5214 if (rval == QLA_SUCCESS) {
5215 /* Interrogate mailbox registers for any errors */
5216 if (mb[0] == MBS_COMMAND_ERROR)
5217 rval = 1;
5218 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
5219 /* device not in PCB table */
5220 rval = 3;
5221 }
5222
5223 return (rval);
5224 }
5225
5226 /*
5227 * qla2x00_loop_resync
5228 * Resync with fibre channel devices.
5229 *
5230 * Input:
5231 * ha = adapter block pointer.
5232 *
5233 * Returns:
5234 * 0 = success
5235 */
5236 int
5237 qla2x00_loop_resync(scsi_qla_host_t *vha)
5238 {
5239 int rval = QLA_SUCCESS;
5240 uint32_t wait_time;
5241 struct req_que *req;
5242 struct rsp_que *rsp;
5243
5244 req = vha->req;
5245 rsp = req->rsp;
5246
5247 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5248 if (vha->flags.online) {
5249 if (!(rval = qla2x00_fw_ready(vha))) {
5250 /* Wait at most MAX_TARGET RSCNs for a stable link. */
5251 wait_time = 256;
5252 do {
5253 if (!IS_QLAFX00(vha->hw)) {
5254 /*
5255 * Issue a marker after FW becomes
5256 * ready.
5257 */
5258 qla2x00_marker(vha, req, rsp, 0, 0,
5259 MK_SYNC_ALL);
5260 vha->marker_needed = 0;
5261 }
5262
5263 /* Remap devices on Loop. */
5264 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5265
5266 if (IS_QLAFX00(vha->hw))
5267 qlafx00_configure_devices(vha);
5268 else
5269 qla2x00_configure_loop(vha);
5270
5271 wait_time--;
5272 } while (!atomic_read(&vha->loop_down_timer) &&
5273 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
5274 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
5275 &vha->dpc_flags)));
5276 }
5277 }
5278
5279 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
5280 return (QLA_FUNCTION_FAILED);
5281
5282 if (rval)
5283 ql_dbg(ql_dbg_disc, vha, 0x206c,
5284 "%s *** FAILED ***.\n", __func__);
5285
5286 return (rval);
5287 }
5288
5289 /*
5290 * qla2x00_perform_loop_resync
5291 * Description: This function will set the appropriate flags and call
5292 * qla2x00_loop_resync. If successful loop will be resynced
5293 * Arguments : scsi_qla_host_t pointer
5294 * returm : Success or Failure
5295 */
5296
5297 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
5298 {
5299 int32_t rval = 0;
5300
5301 if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
5302 /*Configure the flags so that resync happens properly*/
5303 atomic_set(&ha->loop_down_timer, 0);
5304 if (!(ha->device_flags & DFLG_NO_CABLE)) {
5305 atomic_set(&ha->loop_state, LOOP_UP);
5306 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
5307 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
5308 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
5309
5310 rval = qla2x00_loop_resync(ha);
5311 } else
5312 atomic_set(&ha->loop_state, LOOP_DEAD);
5313
5314 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
5315 }
5316
5317 return rval;
5318 }
5319
5320 void
5321 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
5322 {
5323 fc_port_t *fcport;
5324 struct scsi_qla_host *vha;
5325 struct qla_hw_data *ha = base_vha->hw;
5326 unsigned long flags;
5327
5328 spin_lock_irqsave(&ha->vport_slock, flags);
5329 /* Go with deferred removal of rport references. */
5330 list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
5331 atomic_inc(&vha->vref_count);
5332 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5333 if (fcport->drport &&
5334 atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
5335 spin_unlock_irqrestore(&ha->vport_slock, flags);
5336 qla2x00_rport_del(fcport);
5337
5338 spin_lock_irqsave(&ha->vport_slock, flags);
5339 }
5340 }
5341 atomic_dec(&vha->vref_count);
5342 wake_up(&vha->vref_waitq);
5343 }
5344 spin_unlock_irqrestore(&ha->vport_slock, flags);
5345 }
5346
5347 /* Assumes idc_lock always held on entry */
5348 void
5349 qla83xx_reset_ownership(scsi_qla_host_t *vha)
5350 {
5351 struct qla_hw_data *ha = vha->hw;
5352 uint32_t drv_presence, drv_presence_mask;
5353 uint32_t dev_part_info1, dev_part_info2, class_type;
5354 uint32_t class_type_mask = 0x3;
5355 uint16_t fcoe_other_function = 0xffff, i;
5356
5357 if (IS_QLA8044(ha)) {
5358 drv_presence = qla8044_rd_direct(vha,
5359 QLA8044_CRB_DRV_ACTIVE_INDEX);
5360 dev_part_info1 = qla8044_rd_direct(vha,
5361 QLA8044_CRB_DEV_PART_INFO_INDEX);
5362 dev_part_info2 = qla8044_rd_direct(vha,
5363 QLA8044_CRB_DEV_PART_INFO2);
5364 } else {
5365 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5366 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
5367 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
5368 }
5369 for (i = 0; i < 8; i++) {
5370 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
5371 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
5372 (i != ha->portnum)) {
5373 fcoe_other_function = i;
5374 break;
5375 }
5376 }
5377 if (fcoe_other_function == 0xffff) {
5378 for (i = 0; i < 8; i++) {
5379 class_type = ((dev_part_info2 >> (i * 4)) &
5380 class_type_mask);
5381 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
5382 ((i + 8) != ha->portnum)) {
5383 fcoe_other_function = i + 8;
5384 break;
5385 }
5386 }
5387 }
5388 /*
5389 * Prepare drv-presence mask based on fcoe functions present.
5390 * However consider only valid physical fcoe function numbers (0-15).
5391 */
5392 drv_presence_mask = ~((1 << (ha->portnum)) |
5393 ((fcoe_other_function == 0xffff) ?
5394 0 : (1 << (fcoe_other_function))));
5395
5396 /* We are the reset owner iff:
5397 * - No other protocol drivers present.
5398 * - This is the lowest among fcoe functions. */
5399 if (!(drv_presence & drv_presence_mask) &&
5400 (ha->portnum < fcoe_other_function)) {
5401 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
5402 "This host is Reset owner.\n");
5403 ha->flags.nic_core_reset_owner = 1;
5404 }
5405 }
5406
5407 static int
5408 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
5409 {
5410 int rval = QLA_SUCCESS;
5411 struct qla_hw_data *ha = vha->hw;
5412 uint32_t drv_ack;
5413
5414 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
5415 if (rval == QLA_SUCCESS) {
5416 drv_ack |= (1 << ha->portnum);
5417 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
5418 }
5419
5420 return rval;
5421 }
5422
5423 static int
5424 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
5425 {
5426 int rval = QLA_SUCCESS;
5427 struct qla_hw_data *ha = vha->hw;
5428 uint32_t drv_ack;
5429
5430 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
5431 if (rval == QLA_SUCCESS) {
5432 drv_ack &= ~(1 << ha->portnum);
5433 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
5434 }
5435
5436 return rval;
5437 }
5438
5439 static const char *
5440 qla83xx_dev_state_to_string(uint32_t dev_state)
5441 {
5442 switch (dev_state) {
5443 case QLA8XXX_DEV_COLD:
5444 return "COLD/RE-INIT";
5445 case QLA8XXX_DEV_INITIALIZING:
5446 return "INITIALIZING";
5447 case QLA8XXX_DEV_READY:
5448 return "READY";
5449 case QLA8XXX_DEV_NEED_RESET:
5450 return "NEED RESET";
5451 case QLA8XXX_DEV_NEED_QUIESCENT:
5452 return "NEED QUIESCENT";
5453 case QLA8XXX_DEV_FAILED:
5454 return "FAILED";
5455 case QLA8XXX_DEV_QUIESCENT:
5456 return "QUIESCENT";
5457 default:
5458 return "Unknown";
5459 }
5460 }
5461
5462 /* Assumes idc-lock always held on entry */
5463 void
5464 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
5465 {
5466 struct qla_hw_data *ha = vha->hw;
5467 uint32_t idc_audit_reg = 0, duration_secs = 0;
5468
5469 switch (audit_type) {
5470 case IDC_AUDIT_TIMESTAMP:
5471 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
5472 idc_audit_reg = (ha->portnum) |
5473 (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
5474 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
5475 break;
5476
5477 case IDC_AUDIT_COMPLETION:
5478 duration_secs = ((jiffies_to_msecs(jiffies) -
5479 jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
5480 idc_audit_reg = (ha->portnum) |
5481 (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
5482 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
5483 break;
5484
5485 default:
5486 ql_log(ql_log_warn, vha, 0xb078,
5487 "Invalid audit type specified.\n");
5488 break;
5489 }
5490 }
5491
5492 /* Assumes idc_lock always held on entry */
5493 static int
5494 qla83xx_initiating_reset(scsi_qla_host_t *vha)
5495 {
5496 struct qla_hw_data *ha = vha->hw;
5497 uint32_t idc_control, dev_state;
5498
5499 __qla83xx_get_idc_control(vha, &idc_control);
5500 if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
5501 ql_log(ql_log_info, vha, 0xb080,
5502 "NIC Core reset has been disabled. idc-control=0x%x\n",
5503 idc_control);
5504 return QLA_FUNCTION_FAILED;
5505 }
5506
5507 /* Set NEED-RESET iff in READY state and we are the reset-owner */
5508 qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5509 if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
5510 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
5511 QLA8XXX_DEV_NEED_RESET);
5512 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
5513 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
5514 } else {
5515 const char *state = qla83xx_dev_state_to_string(dev_state);
5516 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
5517
5518 /* SV: XXX: Is timeout required here? */
5519 /* Wait for IDC state change READY -> NEED_RESET */
5520 while (dev_state == QLA8XXX_DEV_READY) {
5521 qla83xx_idc_unlock(vha, 0);
5522 msleep(200);
5523 qla83xx_idc_lock(vha, 0);
5524 qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5525 }
5526 }
5527
5528 /* Send IDC ack by writing to drv-ack register */
5529 __qla83xx_set_drv_ack(vha);
5530
5531 return QLA_SUCCESS;
5532 }
5533
5534 int
5535 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
5536 {
5537 return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
5538 }
5539
5540 int
5541 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
5542 {
5543 return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
5544 }
5545
5546 static int
5547 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
5548 {
5549 uint32_t drv_presence = 0;
5550 struct qla_hw_data *ha = vha->hw;
5551
5552 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5553 if (drv_presence & (1 << ha->portnum))
5554 return QLA_SUCCESS;
5555 else
5556 return QLA_TEST_FAILED;
5557 }
5558
5559 int
5560 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
5561 {
5562 int rval = QLA_SUCCESS;
5563 struct qla_hw_data *ha = vha->hw;
5564
5565 ql_dbg(ql_dbg_p3p, vha, 0xb058,
5566 "Entered %s().\n", __func__);
5567
5568 if (vha->device_flags & DFLG_DEV_FAILED) {
5569 ql_log(ql_log_warn, vha, 0xb059,
5570 "Device in unrecoverable FAILED state.\n");
5571 return QLA_FUNCTION_FAILED;
5572 }
5573
5574 qla83xx_idc_lock(vha, 0);
5575
5576 if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
5577 ql_log(ql_log_warn, vha, 0xb05a,
5578 "Function=0x%x has been removed from IDC participation.\n",
5579 ha->portnum);
5580 rval = QLA_FUNCTION_FAILED;
5581 goto exit;
5582 }
5583
5584 qla83xx_reset_ownership(vha);
5585
5586 rval = qla83xx_initiating_reset(vha);
5587
5588 /*
5589 * Perform reset if we are the reset-owner,
5590 * else wait till IDC state changes to READY/FAILED.
5591 */
5592 if (rval == QLA_SUCCESS) {
5593 rval = qla83xx_idc_state_handler(vha);
5594
5595 if (rval == QLA_SUCCESS)
5596 ha->flags.nic_core_hung = 0;
5597 __qla83xx_clear_drv_ack(vha);
5598 }
5599
5600 exit:
5601 qla83xx_idc_unlock(vha, 0);
5602
5603 ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
5604
5605 return rval;
5606 }
5607
5608 int
5609 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
5610 {
5611 struct qla_hw_data *ha = vha->hw;
5612 int rval = QLA_FUNCTION_FAILED;
5613
5614 if (!IS_MCTP_CAPABLE(ha)) {
5615 /* This message can be removed from the final version */
5616 ql_log(ql_log_info, vha, 0x506d,
5617 "This board is not MCTP capable\n");
5618 return rval;
5619 }
5620
5621 if (!ha->mctp_dump) {
5622 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
5623 MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
5624
5625 if (!ha->mctp_dump) {
5626 ql_log(ql_log_warn, vha, 0x506e,
5627 "Failed to allocate memory for mctp dump\n");
5628 return rval;
5629 }
5630 }
5631
5632 #define MCTP_DUMP_STR_ADDR 0x00000000
5633 rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
5634 MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
5635 if (rval != QLA_SUCCESS) {
5636 ql_log(ql_log_warn, vha, 0x506f,
5637 "Failed to capture mctp dump\n");
5638 } else {
5639 ql_log(ql_log_info, vha, 0x5070,
5640 "Mctp dump capture for host (%ld/%p).\n",
5641 vha->host_no, ha->mctp_dump);
5642 ha->mctp_dumped = 1;
5643 }
5644
5645 if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
5646 ha->flags.nic_core_reset_hdlr_active = 1;
5647 rval = qla83xx_restart_nic_firmware(vha);
5648 if (rval)
5649 /* NIC Core reset failed. */
5650 ql_log(ql_log_warn, vha, 0x5071,
5651 "Failed to restart nic firmware\n");
5652 else
5653 ql_dbg(ql_dbg_p3p, vha, 0xb084,
5654 "Restarted NIC firmware successfully.\n");
5655 ha->flags.nic_core_reset_hdlr_active = 0;
5656 }
5657
5658 return rval;
5659
5660 }
5661
5662 /*
5663 * qla2x00_quiesce_io
5664 * Description: This function will block the new I/Os
5665 * Its not aborting any I/Os as context
5666 * is not destroyed during quiescence
5667 * Arguments: scsi_qla_host_t
5668 * return : void
5669 */
5670 void
5671 qla2x00_quiesce_io(scsi_qla_host_t *vha)
5672 {
5673 struct qla_hw_data *ha = vha->hw;
5674 struct scsi_qla_host *vp;
5675
5676 ql_dbg(ql_dbg_dpc, vha, 0x401d,
5677 "Quiescing I/O - ha=%p.\n", ha);
5678
5679 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
5680 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
5681 atomic_set(&vha->loop_state, LOOP_DOWN);
5682 qla2x00_mark_all_devices_lost(vha, 0);
5683 list_for_each_entry(vp, &ha->vp_list, list)
5684 qla2x00_mark_all_devices_lost(vp, 0);
5685 } else {
5686 if (!atomic_read(&vha->loop_down_timer))
5687 atomic_set(&vha->loop_down_timer,
5688 LOOP_DOWN_TIME);
5689 }
5690 /* Wait for pending cmds to complete */
5691 qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
5692 }
5693
5694 void
5695 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
5696 {
5697 struct qla_hw_data *ha = vha->hw;
5698 struct scsi_qla_host *vp;
5699 unsigned long flags;
5700 fc_port_t *fcport;
5701 u16 i;
5702
5703 /* For ISP82XX, driver waits for completion of the commands.
5704 * online flag should be set.
5705 */
5706 if (!(IS_P3P_TYPE(ha)))
5707 vha->flags.online = 0;
5708 ha->flags.chip_reset_done = 0;
5709 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
5710 vha->qla_stats.total_isp_aborts++;
5711
5712 ql_log(ql_log_info, vha, 0x00af,
5713 "Performing ISP error recovery - ha=%p.\n", ha);
5714
5715 /* For ISP82XX, reset_chip is just disabling interrupts.
5716 * Driver waits for the completion of the commands.
5717 * the interrupts need to be enabled.
5718 */
5719 if (!(IS_P3P_TYPE(ha)))
5720 ha->isp_ops->reset_chip(vha);
5721
5722 ha->flags.n2n_ae = 0;
5723 ha->flags.lip_ae = 0;
5724 ha->current_topology = 0;
5725 ha->flags.fw_started = 0;
5726 ha->flags.fw_init_done = 0;
5727 ha->base_qpair->chip_reset++;
5728 for (i = 0; i < ha->max_qpairs; i++) {
5729 if (ha->queue_pair_map[i])
5730 ha->queue_pair_map[i]->chip_reset =
5731 ha->base_qpair->chip_reset;
5732 }
5733
5734 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
5735 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
5736 atomic_set(&vha->loop_state, LOOP_DOWN);
5737 qla2x00_mark_all_devices_lost(vha, 0);
5738
5739 spin_lock_irqsave(&ha->vport_slock, flags);
5740 list_for_each_entry(vp, &ha->vp_list, list) {
5741 atomic_inc(&vp->vref_count);
5742 spin_unlock_irqrestore(&ha->vport_slock, flags);
5743
5744 qla2x00_mark_all_devices_lost(vp, 0);
5745
5746 spin_lock_irqsave(&ha->vport_slock, flags);
5747 atomic_dec(&vp->vref_count);
5748 }
5749 spin_unlock_irqrestore(&ha->vport_slock, flags);
5750 } else {
5751 if (!atomic_read(&vha->loop_down_timer))
5752 atomic_set(&vha->loop_down_timer,
5753 LOOP_DOWN_TIME);
5754 }
5755
5756 /* Clear all async request states across all VPs. */
5757 list_for_each_entry(fcport, &vha->vp_fcports, list)
5758 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5759 spin_lock_irqsave(&ha->vport_slock, flags);
5760 list_for_each_entry(vp, &ha->vp_list, list) {
5761 atomic_inc(&vp->vref_count);
5762 spin_unlock_irqrestore(&ha->vport_slock, flags);
5763
5764 list_for_each_entry(fcport, &vp->vp_fcports, list)
5765 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5766
5767 spin_lock_irqsave(&ha->vport_slock, flags);
5768 atomic_dec(&vp->vref_count);
5769 }
5770 spin_unlock_irqrestore(&ha->vport_slock, flags);
5771
5772 if (!ha->flags.eeh_busy) {
5773 /* Make sure for ISP 82XX IO DMA is complete */
5774 if (IS_P3P_TYPE(ha)) {
5775 qla82xx_chip_reset_cleanup(vha);
5776 ql_log(ql_log_info, vha, 0x00b4,
5777 "Done chip reset cleanup.\n");
5778
5779 /* Done waiting for pending commands.
5780 * Reset the online flag.
5781 */
5782 vha->flags.online = 0;
5783 }
5784
5785 /* Requeue all commands in outstanding command list. */
5786 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
5787 }
5788 /* memory barrier */
5789 wmb();
5790 }
5791
5792 /*
5793 * qla2x00_abort_isp
5794 * Resets ISP and aborts all outstanding commands.
5795 *
5796 * Input:
5797 * ha = adapter block pointer.
5798 *
5799 * Returns:
5800 * 0 = success
5801 */
5802 int
5803 qla2x00_abort_isp(scsi_qla_host_t *vha)
5804 {
5805 int rval;
5806 uint8_t status = 0;
5807 struct qla_hw_data *ha = vha->hw;
5808 struct scsi_qla_host *vp;
5809 struct req_que *req = ha->req_q_map[0];
5810 unsigned long flags;
5811
5812 if (vha->flags.online) {
5813 qla2x00_abort_isp_cleanup(vha);
5814
5815 if (IS_QLA8031(ha)) {
5816 ql_dbg(ql_dbg_p3p, vha, 0xb05c,
5817 "Clearing fcoe driver presence.\n");
5818 if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
5819 ql_dbg(ql_dbg_p3p, vha, 0xb073,
5820 "Error while clearing DRV-Presence.\n");
5821 }
5822
5823 if (unlikely(pci_channel_offline(ha->pdev) &&
5824 ha->flags.pci_channel_io_perm_failure)) {
5825 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5826 status = 0;
5827 return status;
5828 }
5829
5830 ha->isp_ops->get_flash_version(vha, req->ring);
5831
5832 ha->isp_ops->nvram_config(vha);
5833
5834 if (!qla2x00_restart_isp(vha)) {
5835 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5836
5837 if (!atomic_read(&vha->loop_down_timer)) {
5838 /*
5839 * Issue marker command only when we are going
5840 * to start the I/O .
5841 */
5842 vha->marker_needed = 1;
5843 }
5844
5845 vha->flags.online = 1;
5846
5847 ha->isp_ops->enable_intrs(ha);
5848
5849 ha->isp_abort_cnt = 0;
5850 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5851
5852 if (IS_QLA81XX(ha) || IS_QLA8031(ha))
5853 qla2x00_get_fw_version(vha);
5854 if (ha->fce) {
5855 ha->flags.fce_enabled = 1;
5856 memset(ha->fce, 0,
5857 fce_calc_size(ha->fce_bufs));
5858 rval = qla2x00_enable_fce_trace(vha,
5859 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5860 &ha->fce_bufs);
5861 if (rval) {
5862 ql_log(ql_log_warn, vha, 0x8033,
5863 "Unable to reinitialize FCE "
5864 "(%d).\n", rval);
5865 ha->flags.fce_enabled = 0;
5866 }
5867 }
5868
5869 if (ha->eft) {
5870 memset(ha->eft, 0, EFT_SIZE);
5871 rval = qla2x00_enable_eft_trace(vha,
5872 ha->eft_dma, EFT_NUM_BUFFERS);
5873 if (rval) {
5874 ql_log(ql_log_warn, vha, 0x8034,
5875 "Unable to reinitialize EFT "
5876 "(%d).\n", rval);
5877 }
5878 }
5879 } else { /* failed the ISP abort */
5880 vha->flags.online = 1;
5881 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
5882 if (ha->isp_abort_cnt == 0) {
5883 ql_log(ql_log_fatal, vha, 0x8035,
5884 "ISP error recover failed - "
5885 "board disabled.\n");
5886 /*
5887 * The next call disables the board
5888 * completely.
5889 */
5890 ha->isp_ops->reset_adapter(vha);
5891 vha->flags.online = 0;
5892 clear_bit(ISP_ABORT_RETRY,
5893 &vha->dpc_flags);
5894 status = 0;
5895 } else { /* schedule another ISP abort */
5896 ha->isp_abort_cnt--;
5897 ql_dbg(ql_dbg_taskm, vha, 0x8020,
5898 "ISP abort - retry remaining %d.\n",
5899 ha->isp_abort_cnt);
5900 status = 1;
5901 }
5902 } else {
5903 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
5904 ql_dbg(ql_dbg_taskm, vha, 0x8021,
5905 "ISP error recovery - retrying (%d) "
5906 "more times.\n", ha->isp_abort_cnt);
5907 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5908 status = 1;
5909 }
5910 }
5911
5912 }
5913
5914 if (!status) {
5915 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
5916
5917 spin_lock_irqsave(&ha->vport_slock, flags);
5918 list_for_each_entry(vp, &ha->vp_list, list) {
5919 if (vp->vp_idx) {
5920 atomic_inc(&vp->vref_count);
5921 spin_unlock_irqrestore(&ha->vport_slock, flags);
5922
5923 qla2x00_vp_abort_isp(vp);
5924
5925 spin_lock_irqsave(&ha->vport_slock, flags);
5926 atomic_dec(&vp->vref_count);
5927 }
5928 }
5929 spin_unlock_irqrestore(&ha->vport_slock, flags);
5930
5931 if (IS_QLA8031(ha)) {
5932 ql_dbg(ql_dbg_p3p, vha, 0xb05d,
5933 "Setting back fcoe driver presence.\n");
5934 if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
5935 ql_dbg(ql_dbg_p3p, vha, 0xb074,
5936 "Error while setting DRV-Presence.\n");
5937 }
5938 } else {
5939 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
5940 __func__);
5941 }
5942
5943 return(status);
5944 }
5945
5946 /*
5947 * qla2x00_restart_isp
5948 * restarts the ISP after a reset
5949 *
5950 * Input:
5951 * ha = adapter block pointer.
5952 *
5953 * Returns:
5954 * 0 = success
5955 */
5956 static int
5957 qla2x00_restart_isp(scsi_qla_host_t *vha)
5958 {
5959 int status = 0;
5960 struct qla_hw_data *ha = vha->hw;
5961 struct req_que *req = ha->req_q_map[0];
5962 struct rsp_que *rsp = ha->rsp_q_map[0];
5963
5964 /* If firmware needs to be loaded */
5965 if (qla2x00_isp_firmware(vha)) {
5966 vha->flags.online = 0;
5967 status = ha->isp_ops->chip_diag(vha);
5968 if (!status)
5969 status = qla2x00_setup_chip(vha);
5970 }
5971
5972 if (!status && !(status = qla2x00_init_rings(vha))) {
5973 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5974 ha->flags.chip_reset_done = 1;
5975
5976 /* Initialize the queues in use */
5977 qla25xx_init_queues(ha);
5978
5979 status = qla2x00_fw_ready(vha);
5980 if (!status) {
5981 /* Issue a marker after FW becomes ready. */
5982 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5983 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5984 }
5985
5986 /* if no cable then assume it's good */
5987 if ((vha->device_flags & DFLG_NO_CABLE))
5988 status = 0;
5989 }
5990 return (status);
5991 }
5992
5993 static int
5994 qla25xx_init_queues(struct qla_hw_data *ha)
5995 {
5996 struct rsp_que *rsp = NULL;
5997 struct req_que *req = NULL;
5998 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5999 int ret = -1;
6000 int i;
6001
6002 for (i = 1; i < ha->max_rsp_queues; i++) {
6003 rsp = ha->rsp_q_map[i];
6004 if (rsp && test_bit(i, ha->rsp_qid_map)) {
6005 rsp->options &= ~BIT_0;
6006 ret = qla25xx_init_rsp_que(base_vha, rsp);
6007 if (ret != QLA_SUCCESS)
6008 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
6009 "%s Rsp que: %d init failed.\n",
6010 __func__, rsp->id);
6011 else
6012 ql_dbg(ql_dbg_init, base_vha, 0x0100,
6013 "%s Rsp que: %d inited.\n",
6014 __func__, rsp->id);
6015 }
6016 }
6017 for (i = 1; i < ha->max_req_queues; i++) {
6018 req = ha->req_q_map[i];
6019 if (req && test_bit(i, ha->req_qid_map)) {
6020 /* Clear outstanding commands array. */
6021 req->options &= ~BIT_0;
6022 ret = qla25xx_init_req_que(base_vha, req);
6023 if (ret != QLA_SUCCESS)
6024 ql_dbg(ql_dbg_init, base_vha, 0x0101,
6025 "%s Req que: %d init failed.\n",
6026 __func__, req->id);
6027 else
6028 ql_dbg(ql_dbg_init, base_vha, 0x0102,
6029 "%s Req que: %d inited.\n",
6030 __func__, req->id);
6031 }
6032 }
6033 return ret;
6034 }
6035
6036 /*
6037 * qla2x00_reset_adapter
6038 * Reset adapter.
6039 *
6040 * Input:
6041 * ha = adapter block pointer.
6042 */
6043 void
6044 qla2x00_reset_adapter(scsi_qla_host_t *vha)
6045 {
6046 unsigned long flags = 0;
6047 struct qla_hw_data *ha = vha->hw;
6048 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
6049
6050 vha->flags.online = 0;
6051 ha->isp_ops->disable_intrs(ha);
6052
6053 spin_lock_irqsave(&ha->hardware_lock, flags);
6054 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
6055 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
6056 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
6057 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
6058 spin_unlock_irqrestore(&ha->hardware_lock, flags);
6059 }
6060
6061 void
6062 qla24xx_reset_adapter(scsi_qla_host_t *vha)
6063 {
6064 unsigned long flags = 0;
6065 struct qla_hw_data *ha = vha->hw;
6066 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
6067
6068 if (IS_P3P_TYPE(ha))
6069 return;
6070
6071 vha->flags.online = 0;
6072 ha->isp_ops->disable_intrs(ha);
6073
6074 spin_lock_irqsave(&ha->hardware_lock, flags);
6075 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
6076 RD_REG_DWORD(&reg->hccr);
6077 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
6078 RD_REG_DWORD(&reg->hccr);
6079 spin_unlock_irqrestore(&ha->hardware_lock, flags);
6080
6081 if (IS_NOPOLLING_TYPE(ha))
6082 ha->isp_ops->enable_intrs(ha);
6083 }
6084
6085 /* On sparc systems, obtain port and node WWN from firmware
6086 * properties.
6087 */
6088 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
6089 struct nvram_24xx *nv)
6090 {
6091 #ifdef CONFIG_SPARC
6092 struct qla_hw_data *ha = vha->hw;
6093 struct pci_dev *pdev = ha->pdev;
6094 struct device_node *dp = pci_device_to_OF_node(pdev);
6095 const u8 *val;
6096 int len;
6097
6098 val = of_get_property(dp, "port-wwn", &len);
6099 if (val && len >= WWN_SIZE)
6100 memcpy(nv->port_name, val, WWN_SIZE);
6101
6102 val = of_get_property(dp, "node-wwn", &len);
6103 if (val && len >= WWN_SIZE)
6104 memcpy(nv->node_name, val, WWN_SIZE);
6105 #endif
6106 }
6107
6108 int
6109 qla24xx_nvram_config(scsi_qla_host_t *vha)
6110 {
6111 int rval;
6112 struct init_cb_24xx *icb;
6113 struct nvram_24xx *nv;
6114 uint32_t *dptr;
6115 uint8_t *dptr1, *dptr2;
6116 uint32_t chksum;
6117 uint16_t cnt;
6118 struct qla_hw_data *ha = vha->hw;
6119
6120 rval = QLA_SUCCESS;
6121 icb = (struct init_cb_24xx *)ha->init_cb;
6122 nv = ha->nvram;
6123
6124 /* Determine NVRAM starting address. */
6125 if (ha->port_no == 0) {
6126 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6127 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
6128 } else {
6129 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6130 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
6131 }
6132
6133 ha->nvram_size = sizeof(struct nvram_24xx);
6134 ha->vpd_size = FA_NVRAM_VPD_SIZE;
6135
6136 /* Get VPD data into cache */
6137 ha->vpd = ha->nvram + VPD_OFFSET;
6138 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
6139 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
6140
6141 /* Get NVRAM data into cache and calculate checksum. */
6142 dptr = (uint32_t *)nv;
6143 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
6144 ha->nvram_size);
6145 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
6146 chksum += le32_to_cpu(*dptr);
6147
6148 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
6149 "Contents of NVRAM\n");
6150 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
6151 (uint8_t *)nv, ha->nvram_size);
6152
6153 /* Bad NVRAM data, set defaults parameters. */
6154 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
6155 || nv->id[3] != ' ' ||
6156 nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
6157 /* Reset NVRAM data. */
6158 ql_log(ql_log_warn, vha, 0x006b,
6159 "Inconsistent NVRAM detected: checksum=0x%x id=%c "
6160 "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
6161 ql_log(ql_log_warn, vha, 0x006c,
6162 "Falling back to functioning (yet invalid -- WWPN) "
6163 "defaults.\n");
6164
6165 /*
6166 * Set default initialization control block.
6167 */
6168 memset(nv, 0, ha->nvram_size);
6169 nv->nvram_version = cpu_to_le16(ICB_VERSION);
6170 nv->version = cpu_to_le16(ICB_VERSION);
6171 nv->frame_payload_size = 2048;
6172 nv->execution_throttle = cpu_to_le16(0xFFFF);
6173 nv->exchange_count = cpu_to_le16(0);
6174 nv->hard_address = cpu_to_le16(124);
6175 nv->port_name[0] = 0x21;
6176 nv->port_name[1] = 0x00 + ha->port_no + 1;
6177 nv->port_name[2] = 0x00;
6178 nv->port_name[3] = 0xe0;
6179 nv->port_name[4] = 0x8b;
6180 nv->port_name[5] = 0x1c;
6181 nv->port_name[6] = 0x55;
6182 nv->port_name[7] = 0x86;
6183 nv->node_name[0] = 0x20;
6184 nv->node_name[1] = 0x00;
6185 nv->node_name[2] = 0x00;
6186 nv->node_name[3] = 0xe0;
6187 nv->node_name[4] = 0x8b;
6188 nv->node_name[5] = 0x1c;
6189 nv->node_name[6] = 0x55;
6190 nv->node_name[7] = 0x86;
6191 qla24xx_nvram_wwn_from_ofw(vha, nv);
6192 nv->login_retry_count = cpu_to_le16(8);
6193 nv->interrupt_delay_timer = cpu_to_le16(0);
6194 nv->login_timeout = cpu_to_le16(0);
6195 nv->firmware_options_1 =
6196 cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
6197 nv->firmware_options_2 = cpu_to_le32(2 << 4);
6198 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
6199 nv->firmware_options_3 = cpu_to_le32(2 << 13);
6200 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
6201 nv->efi_parameters = cpu_to_le32(0);
6202 nv->reset_delay = 5;
6203 nv->max_luns_per_target = cpu_to_le16(128);
6204 nv->port_down_retry_count = cpu_to_le16(30);
6205 nv->link_down_timeout = cpu_to_le16(30);
6206
6207 rval = 1;
6208 }
6209
6210 if (qla_tgt_mode_enabled(vha)) {
6211 /* Don't enable full login after initial LIP */
6212 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
6213 /* Don't enable LIP full login for initiator */
6214 nv->host_p &= cpu_to_le32(~BIT_10);
6215 }
6216
6217 qlt_24xx_config_nvram_stage1(vha, nv);
6218
6219 /* Reset Initialization control block */
6220 memset(icb, 0, ha->init_cb_size);
6221
6222 /* Copy 1st segment. */
6223 dptr1 = (uint8_t *)icb;
6224 dptr2 = (uint8_t *)&nv->version;
6225 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
6226 while (cnt--)
6227 *dptr1++ = *dptr2++;
6228
6229 icb->login_retry_count = nv->login_retry_count;
6230 icb->link_down_on_nos = nv->link_down_on_nos;
6231
6232 /* Copy 2nd segment. */
6233 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
6234 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
6235 cnt = (uint8_t *)&icb->reserved_3 -
6236 (uint8_t *)&icb->interrupt_delay_timer;
6237 while (cnt--)
6238 *dptr1++ = *dptr2++;
6239
6240 /*
6241 * Setup driver NVRAM options.
6242 */
6243 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6244 "QLA2462");
6245
6246 qlt_24xx_config_nvram_stage2(vha, icb);
6247
6248 if (nv->host_p & cpu_to_le32(BIT_15)) {
6249 /* Use alternate WWN? */
6250 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6251 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6252 }
6253
6254 /* Prepare nodename */
6255 if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
6256 /*
6257 * Firmware will apply the following mask if the nodename was
6258 * not provided.
6259 */
6260 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6261 icb->node_name[0] &= 0xF0;
6262 }
6263
6264 /* Set host adapter parameters. */
6265 ha->flags.disable_risc_code_load = 0;
6266 ha->flags.enable_lip_reset = 0;
6267 ha->flags.enable_lip_full_login =
6268 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6269 ha->flags.enable_target_reset =
6270 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6271 ha->flags.enable_led_scheme = 0;
6272 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6273
6274 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6275 (BIT_6 | BIT_5 | BIT_4)) >> 4;
6276
6277 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
6278 sizeof(ha->fw_seriallink_options24));
6279
6280 /* save HBA serial number */
6281 ha->serial0 = icb->port_name[5];
6282 ha->serial1 = icb->port_name[6];
6283 ha->serial2 = icb->port_name[7];
6284 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6285 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6286
6287 icb->execution_throttle = cpu_to_le16(0xFFFF);
6288
6289 ha->retry_count = le16_to_cpu(nv->login_retry_count);
6290
6291 /* Set minimum login_timeout to 4 seconds. */
6292 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6293 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6294 if (le16_to_cpu(nv->login_timeout) < 4)
6295 nv->login_timeout = cpu_to_le16(4);
6296 ha->login_timeout = le16_to_cpu(nv->login_timeout);
6297
6298 /* Set minimum RATOV to 100 tenths of a second. */
6299 ha->r_a_tov = 100;
6300
6301 ha->loop_reset_delay = nv->reset_delay;
6302
6303 /* Link Down Timeout = 0:
6304 *
6305 * When Port Down timer expires we will start returning
6306 * I/O's to OS with "DID_NO_CONNECT".
6307 *
6308 * Link Down Timeout != 0:
6309 *
6310 * The driver waits for the link to come up after link down
6311 * before returning I/Os to OS with "DID_NO_CONNECT".
6312 */
6313 if (le16_to_cpu(nv->link_down_timeout) == 0) {
6314 ha->loop_down_abort_time =
6315 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6316 } else {
6317 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
6318 ha->loop_down_abort_time =
6319 (LOOP_DOWN_TIME - ha->link_down_timeout);
6320 }
6321
6322 /* Need enough time to try and get the port back. */
6323 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6324 if (qlport_down_retry)
6325 ha->port_down_retry_count = qlport_down_retry;
6326
6327 /* Set login_retry_count */
6328 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
6329 if (ha->port_down_retry_count ==
6330 le16_to_cpu(nv->port_down_retry_count) &&
6331 ha->port_down_retry_count > 3)
6332 ha->login_retry_count = ha->port_down_retry_count;
6333 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6334 ha->login_retry_count = ha->port_down_retry_count;
6335 if (ql2xloginretrycount)
6336 ha->login_retry_count = ql2xloginretrycount;
6337
6338 /* Enable ZIO. */
6339 if (!vha->flags.init_done) {
6340 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6341 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6342 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6343 le16_to_cpu(icb->interrupt_delay_timer): 2;
6344 }
6345 icb->firmware_options_2 &= cpu_to_le32(
6346 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6347 vha->flags.process_response_queue = 0;
6348 if (ha->zio_mode != QLA_ZIO_DISABLED) {
6349 ha->zio_mode = QLA_ZIO_MODE_6;
6350
6351 ql_log(ql_log_info, vha, 0x006f,
6352 "ZIO mode %d enabled; timer delay (%d us).\n",
6353 ha->zio_mode, ha->zio_timer * 100);
6354
6355 icb->firmware_options_2 |= cpu_to_le32(
6356 (uint32_t)ha->zio_mode);
6357 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6358 vha->flags.process_response_queue = 1;
6359 }
6360
6361 if (rval) {
6362 ql_log(ql_log_warn, vha, 0x0070,
6363 "NVRAM configuration failed.\n");
6364 }
6365 return (rval);
6366 }
6367
6368 uint8_t qla27xx_find_valid_image(struct scsi_qla_host *vha)
6369 {
6370 struct qla27xx_image_status pri_image_status, sec_image_status;
6371 uint8_t valid_pri_image, valid_sec_image;
6372 uint32_t *wptr;
6373 uint32_t cnt, chksum, size;
6374 struct qla_hw_data *ha = vha->hw;
6375
6376 valid_pri_image = valid_sec_image = 1;
6377 ha->active_image = 0;
6378 size = sizeof(struct qla27xx_image_status) / sizeof(uint32_t);
6379
6380 if (!ha->flt_region_img_status_pri) {
6381 valid_pri_image = 0;
6382 goto check_sec_image;
6383 }
6384
6385 qla24xx_read_flash_data(vha, (uint32_t *)(&pri_image_status),
6386 ha->flt_region_img_status_pri, size);
6387
6388 if (pri_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
6389 ql_dbg(ql_dbg_init, vha, 0x018b,
6390 "Primary image signature (0x%x) not valid\n",
6391 pri_image_status.signature);
6392 valid_pri_image = 0;
6393 goto check_sec_image;
6394 }
6395
6396 wptr = (uint32_t *)(&pri_image_status);
6397 cnt = size;
6398
6399 for (chksum = 0; cnt--; wptr++)
6400 chksum += le32_to_cpu(*wptr);
6401
6402 if (chksum) {
6403 ql_dbg(ql_dbg_init, vha, 0x018c,
6404 "Checksum validation failed for primary image (0x%x)\n",
6405 chksum);
6406 valid_pri_image = 0;
6407 }
6408
6409 check_sec_image:
6410 if (!ha->flt_region_img_status_sec) {
6411 valid_sec_image = 0;
6412 goto check_valid_image;
6413 }
6414
6415 qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
6416 ha->flt_region_img_status_sec, size);
6417
6418 if (sec_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
6419 ql_dbg(ql_dbg_init, vha, 0x018d,
6420 "Secondary image signature(0x%x) not valid\n",
6421 sec_image_status.signature);
6422 valid_sec_image = 0;
6423 goto check_valid_image;
6424 }
6425
6426 wptr = (uint32_t *)(&sec_image_status);
6427 cnt = size;
6428 for (chksum = 0; cnt--; wptr++)
6429 chksum += le32_to_cpu(*wptr);
6430 if (chksum) {
6431 ql_dbg(ql_dbg_init, vha, 0x018e,
6432 "Checksum validation failed for secondary image (0x%x)\n",
6433 chksum);
6434 valid_sec_image = 0;
6435 }
6436
6437 check_valid_image:
6438 if (valid_pri_image && (pri_image_status.image_status_mask & 0x1))
6439 ha->active_image = QLA27XX_PRIMARY_IMAGE;
6440 if (valid_sec_image && (sec_image_status.image_status_mask & 0x1)) {
6441 if (!ha->active_image ||
6442 pri_image_status.generation_number <
6443 sec_image_status.generation_number)
6444 ha->active_image = QLA27XX_SECONDARY_IMAGE;
6445 }
6446
6447 ql_dbg(ql_dbg_init, vha, 0x018f, "%s image\n",
6448 ha->active_image == 0 ? "default bootld and fw" :
6449 ha->active_image == 1 ? "primary" :
6450 ha->active_image == 2 ? "secondary" :
6451 "Invalid");
6452
6453 return ha->active_image;
6454 }
6455
6456 static int
6457 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
6458 uint32_t faddr)
6459 {
6460 int rval = QLA_SUCCESS;
6461 int segments, fragment;
6462 uint32_t *dcode, dlen;
6463 uint32_t risc_addr;
6464 uint32_t risc_size;
6465 uint32_t i;
6466 struct qla_hw_data *ha = vha->hw;
6467 struct req_que *req = ha->req_q_map[0];
6468
6469 ql_dbg(ql_dbg_init, vha, 0x008b,
6470 "FW: Loading firmware from flash (%x).\n", faddr);
6471
6472 rval = QLA_SUCCESS;
6473
6474 segments = FA_RISC_CODE_SEGMENTS;
6475 dcode = (uint32_t *)req->ring;
6476 *srisc_addr = 0;
6477
6478 if (IS_QLA27XX(ha) &&
6479 qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
6480 faddr = ha->flt_region_fw_sec;
6481
6482 /* Validate firmware image by checking version. */
6483 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
6484 for (i = 0; i < 4; i++)
6485 dcode[i] = be32_to_cpu(dcode[i]);
6486 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
6487 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
6488 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
6489 dcode[3] == 0)) {
6490 ql_log(ql_log_fatal, vha, 0x008c,
6491 "Unable to verify the integrity of flash firmware "
6492 "image.\n");
6493 ql_log(ql_log_fatal, vha, 0x008d,
6494 "Firmware data: %08x %08x %08x %08x.\n",
6495 dcode[0], dcode[1], dcode[2], dcode[3]);
6496
6497 return QLA_FUNCTION_FAILED;
6498 }
6499
6500 while (segments && rval == QLA_SUCCESS) {
6501 /* Read segment's load information. */
6502 qla24xx_read_flash_data(vha, dcode, faddr, 4);
6503
6504 risc_addr = be32_to_cpu(dcode[2]);
6505 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
6506 risc_size = be32_to_cpu(dcode[3]);
6507
6508 fragment = 0;
6509 while (risc_size > 0 && rval == QLA_SUCCESS) {
6510 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
6511 if (dlen > risc_size)
6512 dlen = risc_size;
6513
6514 ql_dbg(ql_dbg_init, vha, 0x008e,
6515 "Loading risc segment@ risc addr %x "
6516 "number of dwords 0x%x offset 0x%x.\n",
6517 risc_addr, dlen, faddr);
6518
6519 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
6520 for (i = 0; i < dlen; i++)
6521 dcode[i] = swab32(dcode[i]);
6522
6523 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
6524 dlen);
6525 if (rval) {
6526 ql_log(ql_log_fatal, vha, 0x008f,
6527 "Failed to load segment %d of firmware.\n",
6528 fragment);
6529 return QLA_FUNCTION_FAILED;
6530 }
6531
6532 faddr += dlen;
6533 risc_addr += dlen;
6534 risc_size -= dlen;
6535 fragment++;
6536 }
6537
6538 /* Next segment. */
6539 segments--;
6540 }
6541
6542 if (!IS_QLA27XX(ha))
6543 return rval;
6544
6545 if (ha->fw_dump_template)
6546 vfree(ha->fw_dump_template);
6547 ha->fw_dump_template = NULL;
6548 ha->fw_dump_template_len = 0;
6549
6550 ql_dbg(ql_dbg_init, vha, 0x0161,
6551 "Loading fwdump template from %x\n", faddr);
6552 qla24xx_read_flash_data(vha, dcode, faddr, 7);
6553 risc_size = be32_to_cpu(dcode[2]);
6554 ql_dbg(ql_dbg_init, vha, 0x0162,
6555 "-> array size %x dwords\n", risc_size);
6556 if (risc_size == 0 || risc_size == ~0)
6557 goto default_template;
6558
6559 dlen = (risc_size - 8) * sizeof(*dcode);
6560 ql_dbg(ql_dbg_init, vha, 0x0163,
6561 "-> template allocating %x bytes...\n", dlen);
6562 ha->fw_dump_template = vmalloc(dlen);
6563 if (!ha->fw_dump_template) {
6564 ql_log(ql_log_warn, vha, 0x0164,
6565 "Failed fwdump template allocate %x bytes.\n", risc_size);
6566 goto default_template;
6567 }
6568
6569 faddr += 7;
6570 risc_size -= 8;
6571 dcode = ha->fw_dump_template;
6572 qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
6573 for (i = 0; i < risc_size; i++)
6574 dcode[i] = le32_to_cpu(dcode[i]);
6575
6576 if (!qla27xx_fwdt_template_valid(dcode)) {
6577 ql_log(ql_log_warn, vha, 0x0165,
6578 "Failed fwdump template validate\n");
6579 goto default_template;
6580 }
6581
6582 dlen = qla27xx_fwdt_template_size(dcode);
6583 ql_dbg(ql_dbg_init, vha, 0x0166,
6584 "-> template size %x bytes\n", dlen);
6585 if (dlen > risc_size * sizeof(*dcode)) {
6586 ql_log(ql_log_warn, vha, 0x0167,
6587 "Failed fwdump template exceeds array by %zx bytes\n",
6588 (size_t)(dlen - risc_size * sizeof(*dcode)));
6589 goto default_template;
6590 }
6591 ha->fw_dump_template_len = dlen;
6592 return rval;
6593
6594 default_template:
6595 ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
6596 if (ha->fw_dump_template)
6597 vfree(ha->fw_dump_template);
6598 ha->fw_dump_template = NULL;
6599 ha->fw_dump_template_len = 0;
6600
6601 dlen = qla27xx_fwdt_template_default_size();
6602 ql_dbg(ql_dbg_init, vha, 0x0169,
6603 "-> template allocating %x bytes...\n", dlen);
6604 ha->fw_dump_template = vmalloc(dlen);
6605 if (!ha->fw_dump_template) {
6606 ql_log(ql_log_warn, vha, 0x016a,
6607 "Failed fwdump template allocate %x bytes.\n", risc_size);
6608 goto failed_template;
6609 }
6610
6611 dcode = ha->fw_dump_template;
6612 risc_size = dlen / sizeof(*dcode);
6613 memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
6614 for (i = 0; i < risc_size; i++)
6615 dcode[i] = be32_to_cpu(dcode[i]);
6616
6617 if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
6618 ql_log(ql_log_warn, vha, 0x016b,
6619 "Failed fwdump template validate\n");
6620 goto failed_template;
6621 }
6622
6623 dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
6624 ql_dbg(ql_dbg_init, vha, 0x016c,
6625 "-> template size %x bytes\n", dlen);
6626 ha->fw_dump_template_len = dlen;
6627 return rval;
6628
6629 failed_template:
6630 ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
6631 if (ha->fw_dump_template)
6632 vfree(ha->fw_dump_template);
6633 ha->fw_dump_template = NULL;
6634 ha->fw_dump_template_len = 0;
6635 return rval;
6636 }
6637
6638 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
6639
6640 int
6641 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
6642 {
6643 int rval;
6644 int i, fragment;
6645 uint16_t *wcode, *fwcode;
6646 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
6647 struct fw_blob *blob;
6648 struct qla_hw_data *ha = vha->hw;
6649 struct req_que *req = ha->req_q_map[0];
6650
6651 /* Load firmware blob. */
6652 blob = qla2x00_request_firmware(vha);
6653 if (!blob) {
6654 ql_log(ql_log_info, vha, 0x0083,
6655 "Firmware image unavailable.\n");
6656 ql_log(ql_log_info, vha, 0x0084,
6657 "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
6658 return QLA_FUNCTION_FAILED;
6659 }
6660
6661 rval = QLA_SUCCESS;
6662
6663 wcode = (uint16_t *)req->ring;
6664 *srisc_addr = 0;
6665 fwcode = (uint16_t *)blob->fw->data;
6666 fwclen = 0;
6667
6668 /* Validate firmware image by checking version. */
6669 if (blob->fw->size < 8 * sizeof(uint16_t)) {
6670 ql_log(ql_log_fatal, vha, 0x0085,
6671 "Unable to verify integrity of firmware image (%zd).\n",
6672 blob->fw->size);
6673 goto fail_fw_integrity;
6674 }
6675 for (i = 0; i < 4; i++)
6676 wcode[i] = be16_to_cpu(fwcode[i + 4]);
6677 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
6678 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
6679 wcode[2] == 0 && wcode[3] == 0)) {
6680 ql_log(ql_log_fatal, vha, 0x0086,
6681 "Unable to verify integrity of firmware image.\n");
6682 ql_log(ql_log_fatal, vha, 0x0087,
6683 "Firmware data: %04x %04x %04x %04x.\n",
6684 wcode[0], wcode[1], wcode[2], wcode[3]);
6685 goto fail_fw_integrity;
6686 }
6687
6688 seg = blob->segs;
6689 while (*seg && rval == QLA_SUCCESS) {
6690 risc_addr = *seg;
6691 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
6692 risc_size = be16_to_cpu(fwcode[3]);
6693
6694 /* Validate firmware image size. */
6695 fwclen += risc_size * sizeof(uint16_t);
6696 if (blob->fw->size < fwclen) {
6697 ql_log(ql_log_fatal, vha, 0x0088,
6698 "Unable to verify integrity of firmware image "
6699 "(%zd).\n", blob->fw->size);
6700 goto fail_fw_integrity;
6701 }
6702
6703 fragment = 0;
6704 while (risc_size > 0 && rval == QLA_SUCCESS) {
6705 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
6706 if (wlen > risc_size)
6707 wlen = risc_size;
6708 ql_dbg(ql_dbg_init, vha, 0x0089,
6709 "Loading risc segment@ risc addr %x number of "
6710 "words 0x%x.\n", risc_addr, wlen);
6711
6712 for (i = 0; i < wlen; i++)
6713 wcode[i] = swab16(fwcode[i]);
6714
6715 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
6716 wlen);
6717 if (rval) {
6718 ql_log(ql_log_fatal, vha, 0x008a,
6719 "Failed to load segment %d of firmware.\n",
6720 fragment);
6721 break;
6722 }
6723
6724 fwcode += wlen;
6725 risc_addr += wlen;
6726 risc_size -= wlen;
6727 fragment++;
6728 }
6729
6730 /* Next segment. */
6731 seg++;
6732 }
6733 return rval;
6734
6735 fail_fw_integrity:
6736 return QLA_FUNCTION_FAILED;
6737 }
6738
6739 static int
6740 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
6741 {
6742 int rval;
6743 int segments, fragment;
6744 uint32_t *dcode, dlen;
6745 uint32_t risc_addr;
6746 uint32_t risc_size;
6747 uint32_t i;
6748 struct fw_blob *blob;
6749 const uint32_t *fwcode;
6750 uint32_t fwclen;
6751 struct qla_hw_data *ha = vha->hw;
6752 struct req_que *req = ha->req_q_map[0];
6753
6754 /* Load firmware blob. */
6755 blob = qla2x00_request_firmware(vha);
6756 if (!blob) {
6757 ql_log(ql_log_warn, vha, 0x0090,
6758 "Firmware image unavailable.\n");
6759 ql_log(ql_log_warn, vha, 0x0091,
6760 "Firmware images can be retrieved from: "
6761 QLA_FW_URL ".\n");
6762
6763 return QLA_FUNCTION_FAILED;
6764 }
6765
6766 ql_dbg(ql_dbg_init, vha, 0x0092,
6767 "FW: Loading via request-firmware.\n");
6768
6769 rval = QLA_SUCCESS;
6770
6771 segments = FA_RISC_CODE_SEGMENTS;
6772 dcode = (uint32_t *)req->ring;
6773 *srisc_addr = 0;
6774 fwcode = (uint32_t *)blob->fw->data;
6775 fwclen = 0;
6776
6777 /* Validate firmware image by checking version. */
6778 if (blob->fw->size < 8 * sizeof(uint32_t)) {
6779 ql_log(ql_log_fatal, vha, 0x0093,
6780 "Unable to verify integrity of firmware image (%zd).\n",
6781 blob->fw->size);
6782 return QLA_FUNCTION_FAILED;
6783 }
6784 for (i = 0; i < 4; i++)
6785 dcode[i] = be32_to_cpu(fwcode[i + 4]);
6786 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
6787 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
6788 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
6789 dcode[3] == 0)) {
6790 ql_log(ql_log_fatal, vha, 0x0094,
6791 "Unable to verify integrity of firmware image (%zd).\n",
6792 blob->fw->size);
6793 ql_log(ql_log_fatal, vha, 0x0095,
6794 "Firmware data: %08x %08x %08x %08x.\n",
6795 dcode[0], dcode[1], dcode[2], dcode[3]);
6796 return QLA_FUNCTION_FAILED;
6797 }
6798
6799 while (segments && rval == QLA_SUCCESS) {
6800 risc_addr = be32_to_cpu(fwcode[2]);
6801 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
6802 risc_size = be32_to_cpu(fwcode[3]);
6803
6804 /* Validate firmware image size. */
6805 fwclen += risc_size * sizeof(uint32_t);
6806 if (blob->fw->size < fwclen) {
6807 ql_log(ql_log_fatal, vha, 0x0096,
6808 "Unable to verify integrity of firmware image "
6809 "(%zd).\n", blob->fw->size);
6810 return QLA_FUNCTION_FAILED;
6811 }
6812
6813 fragment = 0;
6814 while (risc_size > 0 && rval == QLA_SUCCESS) {
6815 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
6816 if (dlen > risc_size)
6817 dlen = risc_size;
6818
6819 ql_dbg(ql_dbg_init, vha, 0x0097,
6820 "Loading risc segment@ risc addr %x "
6821 "number of dwords 0x%x.\n", risc_addr, dlen);
6822
6823 for (i = 0; i < dlen; i++)
6824 dcode[i] = swab32(fwcode[i]);
6825
6826 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
6827 dlen);
6828 if (rval) {
6829 ql_log(ql_log_fatal, vha, 0x0098,
6830 "Failed to load segment %d of firmware.\n",
6831 fragment);
6832 return QLA_FUNCTION_FAILED;
6833 }
6834
6835 fwcode += dlen;
6836 risc_addr += dlen;
6837 risc_size -= dlen;
6838 fragment++;
6839 }
6840
6841 /* Next segment. */
6842 segments--;
6843 }
6844
6845 if (!IS_QLA27XX(ha))
6846 return rval;
6847
6848 if (ha->fw_dump_template)
6849 vfree(ha->fw_dump_template);
6850 ha->fw_dump_template = NULL;
6851 ha->fw_dump_template_len = 0;
6852
6853 ql_dbg(ql_dbg_init, vha, 0x171,
6854 "Loading fwdump template from %x\n",
6855 (uint32_t)((void *)fwcode - (void *)blob->fw->data));
6856 risc_size = be32_to_cpu(fwcode[2]);
6857 ql_dbg(ql_dbg_init, vha, 0x172,
6858 "-> array size %x dwords\n", risc_size);
6859 if (risc_size == 0 || risc_size == ~0)
6860 goto default_template;
6861
6862 dlen = (risc_size - 8) * sizeof(*fwcode);
6863 ql_dbg(ql_dbg_init, vha, 0x0173,
6864 "-> template allocating %x bytes...\n", dlen);
6865 ha->fw_dump_template = vmalloc(dlen);
6866 if (!ha->fw_dump_template) {
6867 ql_log(ql_log_warn, vha, 0x0174,
6868 "Failed fwdump template allocate %x bytes.\n", risc_size);
6869 goto default_template;
6870 }
6871
6872 fwcode += 7;
6873 risc_size -= 8;
6874 dcode = ha->fw_dump_template;
6875 for (i = 0; i < risc_size; i++)
6876 dcode[i] = le32_to_cpu(fwcode[i]);
6877
6878 if (!qla27xx_fwdt_template_valid(dcode)) {
6879 ql_log(ql_log_warn, vha, 0x0175,
6880 "Failed fwdump template validate\n");
6881 goto default_template;
6882 }
6883
6884 dlen = qla27xx_fwdt_template_size(dcode);
6885 ql_dbg(ql_dbg_init, vha, 0x0176,
6886 "-> template size %x bytes\n", dlen);
6887 if (dlen > risc_size * sizeof(*fwcode)) {
6888 ql_log(ql_log_warn, vha, 0x0177,
6889 "Failed fwdump template exceeds array by %zx bytes\n",
6890 (size_t)(dlen - risc_size * sizeof(*fwcode)));
6891 goto default_template;
6892 }
6893 ha->fw_dump_template_len = dlen;
6894 return rval;
6895
6896 default_template:
6897 ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
6898 if (ha->fw_dump_template)
6899 vfree(ha->fw_dump_template);
6900 ha->fw_dump_template = NULL;
6901 ha->fw_dump_template_len = 0;
6902
6903 dlen = qla27xx_fwdt_template_default_size();
6904 ql_dbg(ql_dbg_init, vha, 0x0179,
6905 "-> template allocating %x bytes...\n", dlen);
6906 ha->fw_dump_template = vmalloc(dlen);
6907 if (!ha->fw_dump_template) {
6908 ql_log(ql_log_warn, vha, 0x017a,
6909 "Failed fwdump template allocate %x bytes.\n", risc_size);
6910 goto failed_template;
6911 }
6912
6913 dcode = ha->fw_dump_template;
6914 risc_size = dlen / sizeof(*fwcode);
6915 fwcode = qla27xx_fwdt_template_default();
6916 for (i = 0; i < risc_size; i++)
6917 dcode[i] = be32_to_cpu(fwcode[i]);
6918
6919 if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
6920 ql_log(ql_log_warn, vha, 0x017b,
6921 "Failed fwdump template validate\n");
6922 goto failed_template;
6923 }
6924
6925 dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
6926 ql_dbg(ql_dbg_init, vha, 0x017c,
6927 "-> template size %x bytes\n", dlen);
6928 ha->fw_dump_template_len = dlen;
6929 return rval;
6930
6931 failed_template:
6932 ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
6933 if (ha->fw_dump_template)
6934 vfree(ha->fw_dump_template);
6935 ha->fw_dump_template = NULL;
6936 ha->fw_dump_template_len = 0;
6937 return rval;
6938 }
6939
6940 int
6941 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
6942 {
6943 int rval;
6944
6945 if (ql2xfwloadbin == 1)
6946 return qla81xx_load_risc(vha, srisc_addr);
6947
6948 /*
6949 * FW Load priority:
6950 * 1) Firmware via request-firmware interface (.bin file).
6951 * 2) Firmware residing in flash.
6952 */
6953 rval = qla24xx_load_risc_blob(vha, srisc_addr);
6954 if (rval == QLA_SUCCESS)
6955 return rval;
6956
6957 return qla24xx_load_risc_flash(vha, srisc_addr,
6958 vha->hw->flt_region_fw);
6959 }
6960
6961 int
6962 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
6963 {
6964 int rval;
6965 struct qla_hw_data *ha = vha->hw;
6966
6967 if (ql2xfwloadbin == 2)
6968 goto try_blob_fw;
6969
6970 /*
6971 * FW Load priority:
6972 * 1) Firmware residing in flash.
6973 * 2) Firmware via request-firmware interface (.bin file).
6974 * 3) Golden-Firmware residing in flash -- limited operation.
6975 */
6976 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
6977 if (rval == QLA_SUCCESS)
6978 return rval;
6979
6980 try_blob_fw:
6981 rval = qla24xx_load_risc_blob(vha, srisc_addr);
6982 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
6983 return rval;
6984
6985 ql_log(ql_log_info, vha, 0x0099,
6986 "Attempting to fallback to golden firmware.\n");
6987 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
6988 if (rval != QLA_SUCCESS)
6989 return rval;
6990
6991 ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
6992 ha->flags.running_gold_fw = 1;
6993 return rval;
6994 }
6995
6996 void
6997 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
6998 {
6999 int ret, retries;
7000 struct qla_hw_data *ha = vha->hw;
7001
7002 if (ha->flags.pci_channel_io_perm_failure)
7003 return;
7004 if (!IS_FWI2_CAPABLE(ha))
7005 return;
7006 if (!ha->fw_major_version)
7007 return;
7008 if (!ha->flags.fw_started)
7009 return;
7010
7011 ret = qla2x00_stop_firmware(vha);
7012 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
7013 ret != QLA_INVALID_COMMAND && retries ; retries--) {
7014 ha->isp_ops->reset_chip(vha);
7015 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
7016 continue;
7017 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
7018 continue;
7019 ql_log(ql_log_info, vha, 0x8015,
7020 "Attempting retry of stop-firmware command.\n");
7021 ret = qla2x00_stop_firmware(vha);
7022 }
7023
7024 QLA_FW_STOPPED(ha);
7025 ha->flags.fw_init_done = 0;
7026 }
7027
7028 int
7029 qla24xx_configure_vhba(scsi_qla_host_t *vha)
7030 {
7031 int rval = QLA_SUCCESS;
7032 int rval2;
7033 uint16_t mb[MAILBOX_REGISTER_COUNT];
7034 struct qla_hw_data *ha = vha->hw;
7035 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7036 struct req_que *req;
7037 struct rsp_que *rsp;
7038
7039 if (!vha->vp_idx)
7040 return -EINVAL;
7041
7042 rval = qla2x00_fw_ready(base_vha);
7043 if (vha->qpair)
7044 req = vha->qpair->req;
7045 else
7046 req = ha->req_q_map[0];
7047 rsp = req->rsp;
7048
7049 if (rval == QLA_SUCCESS) {
7050 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7051 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
7052 }
7053
7054 vha->flags.management_server_logged_in = 0;
7055
7056 /* Login to SNS first */
7057 rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
7058 BIT_1);
7059 if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
7060 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
7061 ql_dbg(ql_dbg_init, vha, 0x0120,
7062 "Failed SNS login: loop_id=%x, rval2=%d\n",
7063 NPH_SNS, rval2);
7064 else
7065 ql_dbg(ql_dbg_init, vha, 0x0103,
7066 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
7067 "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
7068 NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
7069 return (QLA_FUNCTION_FAILED);
7070 }
7071
7072 atomic_set(&vha->loop_down_timer, 0);
7073 atomic_set(&vha->loop_state, LOOP_UP);
7074 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7075 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
7076 rval = qla2x00_loop_resync(base_vha);
7077
7078 return rval;
7079 }
7080
7081 /* 84XX Support **************************************************************/
7082
7083 static LIST_HEAD(qla_cs84xx_list);
7084 static DEFINE_MUTEX(qla_cs84xx_mutex);
7085
7086 static struct qla_chip_state_84xx *
7087 qla84xx_get_chip(struct scsi_qla_host *vha)
7088 {
7089 struct qla_chip_state_84xx *cs84xx;
7090 struct qla_hw_data *ha = vha->hw;
7091
7092 mutex_lock(&qla_cs84xx_mutex);
7093
7094 /* Find any shared 84xx chip. */
7095 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
7096 if (cs84xx->bus == ha->pdev->bus) {
7097 kref_get(&cs84xx->kref);
7098 goto done;
7099 }
7100 }
7101
7102 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
7103 if (!cs84xx)
7104 goto done;
7105
7106 kref_init(&cs84xx->kref);
7107 spin_lock_init(&cs84xx->access_lock);
7108 mutex_init(&cs84xx->fw_update_mutex);
7109 cs84xx->bus = ha->pdev->bus;
7110
7111 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
7112 done:
7113 mutex_unlock(&qla_cs84xx_mutex);
7114 return cs84xx;
7115 }
7116
7117 static void
7118 __qla84xx_chip_release(struct kref *kref)
7119 {
7120 struct qla_chip_state_84xx *cs84xx =
7121 container_of(kref, struct qla_chip_state_84xx, kref);
7122
7123 mutex_lock(&qla_cs84xx_mutex);
7124 list_del(&cs84xx->list);
7125 mutex_unlock(&qla_cs84xx_mutex);
7126 kfree(cs84xx);
7127 }
7128
7129 void
7130 qla84xx_put_chip(struct scsi_qla_host *vha)
7131 {
7132 struct qla_hw_data *ha = vha->hw;
7133 if (ha->cs84xx)
7134 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
7135 }
7136
7137 static int
7138 qla84xx_init_chip(scsi_qla_host_t *vha)
7139 {
7140 int rval;
7141 uint16_t status[2];
7142 struct qla_hw_data *ha = vha->hw;
7143
7144 mutex_lock(&ha->cs84xx->fw_update_mutex);
7145
7146 rval = qla84xx_verify_chip(vha, status);
7147
7148 mutex_unlock(&ha->cs84xx->fw_update_mutex);
7149
7150 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
7151 QLA_SUCCESS;
7152 }
7153
7154 /* 81XX Support **************************************************************/
7155
7156 int
7157 qla81xx_nvram_config(scsi_qla_host_t *vha)
7158 {
7159 int rval;
7160 struct init_cb_81xx *icb;
7161 struct nvram_81xx *nv;
7162 uint32_t *dptr;
7163 uint8_t *dptr1, *dptr2;
7164 uint32_t chksum;
7165 uint16_t cnt;
7166 struct qla_hw_data *ha = vha->hw;
7167
7168 rval = QLA_SUCCESS;
7169 icb = (struct init_cb_81xx *)ha->init_cb;
7170 nv = ha->nvram;
7171
7172 /* Determine NVRAM starting address. */
7173 ha->nvram_size = sizeof(struct nvram_81xx);
7174 ha->vpd_size = FA_NVRAM_VPD_SIZE;
7175 if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
7176 ha->vpd_size = FA_VPD_SIZE_82XX;
7177
7178 /* Get VPD data into cache */
7179 ha->vpd = ha->nvram + VPD_OFFSET;
7180 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
7181 ha->vpd_size);
7182
7183 /* Get NVRAM data into cache and calculate checksum. */
7184 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
7185 ha->nvram_size);
7186 dptr = (uint32_t *)nv;
7187 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7188 chksum += le32_to_cpu(*dptr);
7189
7190 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
7191 "Contents of NVRAM:\n");
7192 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
7193 (uint8_t *)nv, ha->nvram_size);
7194
7195 /* Bad NVRAM data, set defaults parameters. */
7196 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
7197 || nv->id[3] != ' ' ||
7198 nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
7199 /* Reset NVRAM data. */
7200 ql_log(ql_log_info, vha, 0x0073,
7201 "Inconsistent NVRAM detected: checksum=0x%x id=%c "
7202 "version=0x%x.\n", chksum, nv->id[0],
7203 le16_to_cpu(nv->nvram_version));
7204 ql_log(ql_log_info, vha, 0x0074,
7205 "Falling back to functioning (yet invalid -- WWPN) "
7206 "defaults.\n");
7207
7208 /*
7209 * Set default initialization control block.
7210 */
7211 memset(nv, 0, ha->nvram_size);
7212 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7213 nv->version = cpu_to_le16(ICB_VERSION);
7214 nv->frame_payload_size = 2048;
7215 nv->execution_throttle = cpu_to_le16(0xFFFF);
7216 nv->exchange_count = cpu_to_le16(0);
7217 nv->port_name[0] = 0x21;
7218 nv->port_name[1] = 0x00 + ha->port_no + 1;
7219 nv->port_name[2] = 0x00;
7220 nv->port_name[3] = 0xe0;
7221 nv->port_name[4] = 0x8b;
7222 nv->port_name[5] = 0x1c;
7223 nv->port_name[6] = 0x55;
7224 nv->port_name[7] = 0x86;
7225 nv->node_name[0] = 0x20;
7226 nv->node_name[1] = 0x00;
7227 nv->node_name[2] = 0x00;
7228 nv->node_name[3] = 0xe0;
7229 nv->node_name[4] = 0x8b;
7230 nv->node_name[5] = 0x1c;
7231 nv->node_name[6] = 0x55;
7232 nv->node_name[7] = 0x86;
7233 nv->login_retry_count = cpu_to_le16(8);
7234 nv->interrupt_delay_timer = cpu_to_le16(0);
7235 nv->login_timeout = cpu_to_le16(0);
7236 nv->firmware_options_1 =
7237 cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7238 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7239 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7240 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7241 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7242 nv->efi_parameters = cpu_to_le32(0);
7243 nv->reset_delay = 5;
7244 nv->max_luns_per_target = cpu_to_le16(128);
7245 nv->port_down_retry_count = cpu_to_le16(30);
7246 nv->link_down_timeout = cpu_to_le16(180);
7247 nv->enode_mac[0] = 0x00;
7248 nv->enode_mac[1] = 0xC0;
7249 nv->enode_mac[2] = 0xDD;
7250 nv->enode_mac[3] = 0x04;
7251 nv->enode_mac[4] = 0x05;
7252 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
7253
7254 rval = 1;
7255 }
7256
7257 if (IS_T10_PI_CAPABLE(ha))
7258 nv->frame_payload_size &= ~7;
7259
7260 qlt_81xx_config_nvram_stage1(vha, nv);
7261
7262 /* Reset Initialization control block */
7263 memset(icb, 0, ha->init_cb_size);
7264
7265 /* Copy 1st segment. */
7266 dptr1 = (uint8_t *)icb;
7267 dptr2 = (uint8_t *)&nv->version;
7268 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7269 while (cnt--)
7270 *dptr1++ = *dptr2++;
7271
7272 icb->login_retry_count = nv->login_retry_count;
7273
7274 /* Copy 2nd segment. */
7275 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7276 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7277 cnt = (uint8_t *)&icb->reserved_5 -
7278 (uint8_t *)&icb->interrupt_delay_timer;
7279 while (cnt--)
7280 *dptr1++ = *dptr2++;
7281
7282 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
7283 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
7284 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
7285 icb->enode_mac[0] = 0x00;
7286 icb->enode_mac[1] = 0xC0;
7287 icb->enode_mac[2] = 0xDD;
7288 icb->enode_mac[3] = 0x04;
7289 icb->enode_mac[4] = 0x05;
7290 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
7291 }
7292
7293 /* Use extended-initialization control block. */
7294 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
7295
7296 /*
7297 * Setup driver NVRAM options.
7298 */
7299 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7300 "QLE8XXX");
7301
7302 qlt_81xx_config_nvram_stage2(vha, icb);
7303
7304 /* Use alternate WWN? */
7305 if (nv->host_p & cpu_to_le32(BIT_15)) {
7306 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7307 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7308 }
7309
7310 /* Prepare nodename */
7311 if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7312 /*
7313 * Firmware will apply the following mask if the nodename was
7314 * not provided.
7315 */
7316 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7317 icb->node_name[0] &= 0xF0;
7318 }
7319
7320 /* Set host adapter parameters. */
7321 ha->flags.disable_risc_code_load = 0;
7322 ha->flags.enable_lip_reset = 0;
7323 ha->flags.enable_lip_full_login =
7324 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
7325 ha->flags.enable_target_reset =
7326 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
7327 ha->flags.enable_led_scheme = 0;
7328 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
7329
7330 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7331 (BIT_6 | BIT_5 | BIT_4)) >> 4;
7332
7333 /* save HBA serial number */
7334 ha->serial0 = icb->port_name[5];
7335 ha->serial1 = icb->port_name[6];
7336 ha->serial2 = icb->port_name[7];
7337 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7338 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7339
7340 icb->execution_throttle = cpu_to_le16(0xFFFF);
7341
7342 ha->retry_count = le16_to_cpu(nv->login_retry_count);
7343
7344 /* Set minimum login_timeout to 4 seconds. */
7345 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7346 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7347 if (le16_to_cpu(nv->login_timeout) < 4)
7348 nv->login_timeout = cpu_to_le16(4);
7349 ha->login_timeout = le16_to_cpu(nv->login_timeout);
7350
7351 /* Set minimum RATOV to 100 tenths of a second. */
7352 ha->r_a_tov = 100;
7353
7354 ha->loop_reset_delay = nv->reset_delay;
7355
7356 /* Link Down Timeout = 0:
7357 *
7358 * When Port Down timer expires we will start returning
7359 * I/O's to OS with "DID_NO_CONNECT".
7360 *
7361 * Link Down Timeout != 0:
7362 *
7363 * The driver waits for the link to come up after link down
7364 * before returning I/Os to OS with "DID_NO_CONNECT".
7365 */
7366 if (le16_to_cpu(nv->link_down_timeout) == 0) {
7367 ha->loop_down_abort_time =
7368 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7369 } else {
7370 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7371 ha->loop_down_abort_time =
7372 (LOOP_DOWN_TIME - ha->link_down_timeout);
7373 }
7374
7375 /* Need enough time to try and get the port back. */
7376 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7377 if (qlport_down_retry)
7378 ha->port_down_retry_count = qlport_down_retry;
7379
7380 /* Set login_retry_count */
7381 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
7382 if (ha->port_down_retry_count ==
7383 le16_to_cpu(nv->port_down_retry_count) &&
7384 ha->port_down_retry_count > 3)
7385 ha->login_retry_count = ha->port_down_retry_count;
7386 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7387 ha->login_retry_count = ha->port_down_retry_count;
7388 if (ql2xloginretrycount)
7389 ha->login_retry_count = ql2xloginretrycount;
7390
7391 /* if not running MSI-X we need handshaking on interrupts */
7392 if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
7393 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
7394
7395 /* Enable ZIO. */
7396 if (!vha->flags.init_done) {
7397 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7398 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7399 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7400 le16_to_cpu(icb->interrupt_delay_timer): 2;
7401 }
7402 icb->firmware_options_2 &= cpu_to_le32(
7403 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7404 vha->flags.process_response_queue = 0;
7405 if (ha->zio_mode != QLA_ZIO_DISABLED) {
7406 ha->zio_mode = QLA_ZIO_MODE_6;
7407
7408 ql_log(ql_log_info, vha, 0x0075,
7409 "ZIO mode %d enabled; timer delay (%d us).\n",
7410 ha->zio_mode,
7411 ha->zio_timer * 100);
7412
7413 icb->firmware_options_2 |= cpu_to_le32(
7414 (uint32_t)ha->zio_mode);
7415 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7416 vha->flags.process_response_queue = 1;
7417 }
7418
7419 /* enable RIDA Format2 */
7420 if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha))
7421 icb->firmware_options_3 |= BIT_0;
7422
7423 if (rval) {
7424 ql_log(ql_log_warn, vha, 0x0076,
7425 "NVRAM configuration failed.\n");
7426 }
7427 return (rval);
7428 }
7429
7430 int
7431 qla82xx_restart_isp(scsi_qla_host_t *vha)
7432 {
7433 int status, rval;
7434 struct qla_hw_data *ha = vha->hw;
7435 struct req_que *req = ha->req_q_map[0];
7436 struct rsp_que *rsp = ha->rsp_q_map[0];
7437 struct scsi_qla_host *vp;
7438 unsigned long flags;
7439
7440 status = qla2x00_init_rings(vha);
7441 if (!status) {
7442 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7443 ha->flags.chip_reset_done = 1;
7444
7445 status = qla2x00_fw_ready(vha);
7446 if (!status) {
7447 /* Issue a marker after FW becomes ready. */
7448 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
7449 vha->flags.online = 1;
7450 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7451 }
7452
7453 /* if no cable then assume it's good */
7454 if ((vha->device_flags & DFLG_NO_CABLE))
7455 status = 0;
7456 }
7457
7458 if (!status) {
7459 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7460
7461 if (!atomic_read(&vha->loop_down_timer)) {
7462 /*
7463 * Issue marker command only when we are going
7464 * to start the I/O .
7465 */
7466 vha->marker_needed = 1;
7467 }
7468
7469 ha->isp_ops->enable_intrs(ha);
7470
7471 ha->isp_abort_cnt = 0;
7472 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7473
7474 /* Update the firmware version */
7475 status = qla82xx_check_md_needed(vha);
7476
7477 if (ha->fce) {
7478 ha->flags.fce_enabled = 1;
7479 memset(ha->fce, 0,
7480 fce_calc_size(ha->fce_bufs));
7481 rval = qla2x00_enable_fce_trace(vha,
7482 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
7483 &ha->fce_bufs);
7484 if (rval) {
7485 ql_log(ql_log_warn, vha, 0x8001,
7486 "Unable to reinitialize FCE (%d).\n",
7487 rval);
7488 ha->flags.fce_enabled = 0;
7489 }
7490 }
7491
7492 if (ha->eft) {
7493 memset(ha->eft, 0, EFT_SIZE);
7494 rval = qla2x00_enable_eft_trace(vha,
7495 ha->eft_dma, EFT_NUM_BUFFERS);
7496 if (rval) {
7497 ql_log(ql_log_warn, vha, 0x8010,
7498 "Unable to reinitialize EFT (%d).\n",
7499 rval);
7500 }
7501 }
7502 }
7503
7504 if (!status) {
7505 ql_dbg(ql_dbg_taskm, vha, 0x8011,
7506 "qla82xx_restart_isp succeeded.\n");
7507
7508 spin_lock_irqsave(&ha->vport_slock, flags);
7509 list_for_each_entry(vp, &ha->vp_list, list) {
7510 if (vp->vp_idx) {
7511 atomic_inc(&vp->vref_count);
7512 spin_unlock_irqrestore(&ha->vport_slock, flags);
7513
7514 qla2x00_vp_abort_isp(vp);
7515
7516 spin_lock_irqsave(&ha->vport_slock, flags);
7517 atomic_dec(&vp->vref_count);
7518 }
7519 }
7520 spin_unlock_irqrestore(&ha->vport_slock, flags);
7521
7522 } else {
7523 ql_log(ql_log_warn, vha, 0x8016,
7524 "qla82xx_restart_isp **** FAILED ****.\n");
7525 }
7526
7527 return status;
7528 }
7529
7530 void
7531 qla81xx_update_fw_options(scsi_qla_host_t *vha)
7532 {
7533 struct qla_hw_data *ha = vha->hw;
7534
7535 /* Hold status IOCBs until ABTS response received. */
7536 if (ql2xfwholdabts)
7537 ha->fw_options[3] |= BIT_12;
7538
7539 /* Set Retry FLOGI in case of P2P connection */
7540 if (ha->operating_mode == P2P) {
7541 ha->fw_options[2] |= BIT_3;
7542 ql_dbg(ql_dbg_disc, vha, 0x2103,
7543 "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
7544 __func__, ha->fw_options[2]);
7545 }
7546
7547 /* Move PUREX, ABTS RX & RIDA to ATIOQ */
7548 if (ql2xmvasynctoatio) {
7549 if (qla_tgt_mode_enabled(vha) ||
7550 qla_dual_mode_enabled(vha))
7551 ha->fw_options[2] |= BIT_11;
7552 else
7553 ha->fw_options[2] &= ~BIT_11;
7554 }
7555
7556 if (qla_tgt_mode_enabled(vha) ||
7557 qla_dual_mode_enabled(vha)) {
7558 /* FW auto send SCSI status during */
7559 ha->fw_options[1] |= BIT_8;
7560 ha->fw_options[10] |= (u16)SAM_STAT_BUSY << 8;
7561
7562 /* FW perform Exchange validation */
7563 ha->fw_options[2] |= BIT_4;
7564 } else {
7565 ha->fw_options[1] &= ~BIT_8;
7566 ha->fw_options[10] &= 0x00ff;
7567
7568 ha->fw_options[2] &= ~BIT_4;
7569 }
7570
7571 if (ql2xetsenable) {
7572 /* Enable ETS Burst. */
7573 memset(ha->fw_options, 0, sizeof(ha->fw_options));
7574 ha->fw_options[2] |= BIT_9;
7575 }
7576
7577 ql_dbg(ql_dbg_init, vha, 0x00e9,
7578 "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
7579 __func__, ha->fw_options[1], ha->fw_options[2],
7580 ha->fw_options[3], vha->host->active_mode);
7581
7582 qla2x00_set_fw_options(vha, ha->fw_options);
7583 }
7584
7585 /*
7586 * qla24xx_get_fcp_prio
7587 * Gets the fcp cmd priority value for the logged in port.
7588 * Looks for a match of the port descriptors within
7589 * each of the fcp prio config entries. If a match is found,
7590 * the tag (priority) value is returned.
7591 *
7592 * Input:
7593 * vha = scsi host structure pointer.
7594 * fcport = port structure pointer.
7595 *
7596 * Return:
7597 * non-zero (if found)
7598 * -1 (if not found)
7599 *
7600 * Context:
7601 * Kernel context
7602 */
7603 static int
7604 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
7605 {
7606 int i, entries;
7607 uint8_t pid_match, wwn_match;
7608 int priority;
7609 uint32_t pid1, pid2;
7610 uint64_t wwn1, wwn2;
7611 struct qla_fcp_prio_entry *pri_entry;
7612 struct qla_hw_data *ha = vha->hw;
7613
7614 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
7615 return -1;
7616
7617 priority = -1;
7618 entries = ha->fcp_prio_cfg->num_entries;
7619 pri_entry = &ha->fcp_prio_cfg->entry[0];
7620
7621 for (i = 0; i < entries; i++) {
7622 pid_match = wwn_match = 0;
7623
7624 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
7625 pri_entry++;
7626 continue;
7627 }
7628
7629 /* check source pid for a match */
7630 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
7631 pid1 = pri_entry->src_pid & INVALID_PORT_ID;
7632 pid2 = vha->d_id.b24 & INVALID_PORT_ID;
7633 if (pid1 == INVALID_PORT_ID)
7634 pid_match++;
7635 else if (pid1 == pid2)
7636 pid_match++;
7637 }
7638
7639 /* check destination pid for a match */
7640 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
7641 pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
7642 pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
7643 if (pid1 == INVALID_PORT_ID)
7644 pid_match++;
7645 else if (pid1 == pid2)
7646 pid_match++;
7647 }
7648
7649 /* check source WWN for a match */
7650 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
7651 wwn1 = wwn_to_u64(vha->port_name);
7652 wwn2 = wwn_to_u64(pri_entry->src_wwpn);
7653 if (wwn2 == (uint64_t)-1)
7654 wwn_match++;
7655 else if (wwn1 == wwn2)
7656 wwn_match++;
7657 }
7658
7659 /* check destination WWN for a match */
7660 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
7661 wwn1 = wwn_to_u64(fcport->port_name);
7662 wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
7663 if (wwn2 == (uint64_t)-1)
7664 wwn_match++;
7665 else if (wwn1 == wwn2)
7666 wwn_match++;
7667 }
7668
7669 if (pid_match == 2 || wwn_match == 2) {
7670 /* Found a matching entry */
7671 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
7672 priority = pri_entry->tag;
7673 break;
7674 }
7675
7676 pri_entry++;
7677 }
7678
7679 return priority;
7680 }
7681
7682 /*
7683 * qla24xx_update_fcport_fcp_prio
7684 * Activates fcp priority for the logged in fc port
7685 *
7686 * Input:
7687 * vha = scsi host structure pointer.
7688 * fcp = port structure pointer.
7689 *
7690 * Return:
7691 * QLA_SUCCESS or QLA_FUNCTION_FAILED
7692 *
7693 * Context:
7694 * Kernel context.
7695 */
7696 int
7697 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
7698 {
7699 int ret;
7700 int priority;
7701 uint16_t mb[5];
7702
7703 if (fcport->port_type != FCT_TARGET ||
7704 fcport->loop_id == FC_NO_LOOP_ID)
7705 return QLA_FUNCTION_FAILED;
7706
7707 priority = qla24xx_get_fcp_prio(vha, fcport);
7708 if (priority < 0)
7709 return QLA_FUNCTION_FAILED;
7710
7711 if (IS_P3P_TYPE(vha->hw)) {
7712 fcport->fcp_prio = priority & 0xf;
7713 return QLA_SUCCESS;
7714 }
7715
7716 ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
7717 if (ret == QLA_SUCCESS) {
7718 if (fcport->fcp_prio != priority)
7719 ql_dbg(ql_dbg_user, vha, 0x709e,
7720 "Updated FCP_CMND priority - value=%d loop_id=%d "
7721 "port_id=%02x%02x%02x.\n", priority,
7722 fcport->loop_id, fcport->d_id.b.domain,
7723 fcport->d_id.b.area, fcport->d_id.b.al_pa);
7724 fcport->fcp_prio = priority & 0xf;
7725 } else
7726 ql_dbg(ql_dbg_user, vha, 0x704f,
7727 "Unable to update FCP_CMND priority - ret=0x%x for "
7728 "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
7729 fcport->d_id.b.domain, fcport->d_id.b.area,
7730 fcport->d_id.b.al_pa);
7731 return ret;
7732 }
7733
7734 /*
7735 * qla24xx_update_all_fcp_prio
7736 * Activates fcp priority for all the logged in ports
7737 *
7738 * Input:
7739 * ha = adapter block pointer.
7740 *
7741 * Return:
7742 * QLA_SUCCESS or QLA_FUNCTION_FAILED
7743 *
7744 * Context:
7745 * Kernel context.
7746 */
7747 int
7748 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
7749 {
7750 int ret;
7751 fc_port_t *fcport;
7752
7753 ret = QLA_FUNCTION_FAILED;
7754 /* We need to set priority for all logged in ports */
7755 list_for_each_entry(fcport, &vha->vp_fcports, list)
7756 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
7757
7758 return ret;
7759 }
7760
7761 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
7762 int vp_idx, bool startqp)
7763 {
7764 int rsp_id = 0;
7765 int req_id = 0;
7766 int i;
7767 struct qla_hw_data *ha = vha->hw;
7768 uint16_t qpair_id = 0;
7769 struct qla_qpair *qpair = NULL;
7770 struct qla_msix_entry *msix;
7771
7772 if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
7773 ql_log(ql_log_warn, vha, 0x00181,
7774 "FW/Driver is not multi-queue capable.\n");
7775 return NULL;
7776 }
7777
7778 if (ql2xmqsupport) {
7779 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
7780 if (qpair == NULL) {
7781 ql_log(ql_log_warn, vha, 0x0182,
7782 "Failed to allocate memory for queue pair.\n");
7783 return NULL;
7784 }
7785 memset(qpair, 0, sizeof(struct qla_qpair));
7786
7787 qpair->hw = vha->hw;
7788 qpair->vha = vha;
7789 qpair->qp_lock_ptr = &qpair->qp_lock;
7790 spin_lock_init(&qpair->qp_lock);
7791 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
7792
7793 /* Assign available que pair id */
7794 mutex_lock(&ha->mq_lock);
7795 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
7796 if (ha->num_qpairs >= ha->max_qpairs) {
7797 mutex_unlock(&ha->mq_lock);
7798 ql_log(ql_log_warn, vha, 0x0183,
7799 "No resources to create additional q pair.\n");
7800 goto fail_qid_map;
7801 }
7802 ha->num_qpairs++;
7803 set_bit(qpair_id, ha->qpair_qid_map);
7804 ha->queue_pair_map[qpair_id] = qpair;
7805 qpair->id = qpair_id;
7806 qpair->vp_idx = vp_idx;
7807 qpair->fw_started = ha->flags.fw_started;
7808 INIT_LIST_HEAD(&qpair->hints_list);
7809 qpair->chip_reset = ha->base_qpair->chip_reset;
7810 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
7811 qpair->enable_explicit_conf =
7812 ha->base_qpair->enable_explicit_conf;
7813
7814 for (i = 0; i < ha->msix_count; i++) {
7815 msix = &ha->msix_entries[i];
7816 if (msix->in_use)
7817 continue;
7818 qpair->msix = msix;
7819 ql_dbg(ql_dbg_multiq, vha, 0xc00f,
7820 "Vector %x selected for qpair\n", msix->vector);
7821 break;
7822 }
7823 if (!qpair->msix) {
7824 ql_log(ql_log_warn, vha, 0x0184,
7825 "Out of MSI-X vectors!.\n");
7826 goto fail_msix;
7827 }
7828
7829 qpair->msix->in_use = 1;
7830 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
7831 qpair->pdev = ha->pdev;
7832 if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
7833 qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
7834
7835 mutex_unlock(&ha->mq_lock);
7836
7837 /* Create response queue first */
7838 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
7839 if (!rsp_id) {
7840 ql_log(ql_log_warn, vha, 0x0185,
7841 "Failed to create response queue.\n");
7842 goto fail_rsp;
7843 }
7844
7845 qpair->rsp = ha->rsp_q_map[rsp_id];
7846
7847 /* Create request queue */
7848 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
7849 startqp);
7850 if (!req_id) {
7851 ql_log(ql_log_warn, vha, 0x0186,
7852 "Failed to create request queue.\n");
7853 goto fail_req;
7854 }
7855
7856 qpair->req = ha->req_q_map[req_id];
7857 qpair->rsp->req = qpair->req;
7858 qpair->rsp->qpair = qpair;
7859 /* init qpair to this cpu. Will adjust at run time. */
7860 qla_cpu_update(qpair, smp_processor_id());
7861
7862 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
7863 if (ha->fw_attributes & BIT_4)
7864 qpair->difdix_supported = 1;
7865 }
7866
7867 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
7868 if (!qpair->srb_mempool) {
7869 ql_log(ql_log_warn, vha, 0xd036,
7870 "Failed to create srb mempool for qpair %d\n",
7871 qpair->id);
7872 goto fail_mempool;
7873 }
7874
7875 /* Mark as online */
7876 qpair->online = 1;
7877
7878 if (!vha->flags.qpairs_available)
7879 vha->flags.qpairs_available = 1;
7880
7881 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
7882 "Request/Response queue pair created, id %d\n",
7883 qpair->id);
7884 ql_dbg(ql_dbg_init, vha, 0x0187,
7885 "Request/Response queue pair created, id %d\n",
7886 qpair->id);
7887 }
7888 return qpair;
7889
7890 fail_mempool:
7891 fail_req:
7892 qla25xx_delete_rsp_que(vha, qpair->rsp);
7893 fail_rsp:
7894 mutex_lock(&ha->mq_lock);
7895 qpair->msix->in_use = 0;
7896 list_del(&qpair->qp_list_elem);
7897 if (list_empty(&vha->qp_list))
7898 vha->flags.qpairs_available = 0;
7899 fail_msix:
7900 ha->queue_pair_map[qpair_id] = NULL;
7901 clear_bit(qpair_id, ha->qpair_qid_map);
7902 ha->num_qpairs--;
7903 mutex_unlock(&ha->mq_lock);
7904 fail_qid_map:
7905 kfree(qpair);
7906 return NULL;
7907 }
7908
7909 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
7910 {
7911 int ret = QLA_FUNCTION_FAILED;
7912 struct qla_hw_data *ha = qpair->hw;
7913
7914 if (!vha->flags.qpairs_req_created && !vha->flags.qpairs_rsp_created)
7915 goto fail;
7916
7917 qpair->delete_in_progress = 1;
7918 while (atomic_read(&qpair->ref_count))
7919 msleep(500);
7920
7921 ret = qla25xx_delete_req_que(vha, qpair->req);
7922 if (ret != QLA_SUCCESS)
7923 goto fail;
7924 ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
7925 if (ret != QLA_SUCCESS)
7926 goto fail;
7927
7928 mutex_lock(&ha->mq_lock);
7929 ha->queue_pair_map[qpair->id] = NULL;
7930 clear_bit(qpair->id, ha->qpair_qid_map);
7931 ha->num_qpairs--;
7932 list_del(&qpair->qp_list_elem);
7933 if (list_empty(&vha->qp_list)) {
7934 vha->flags.qpairs_available = 0;
7935 vha->flags.qpairs_req_created = 0;
7936 vha->flags.qpairs_rsp_created = 0;
7937 }
7938 mempool_destroy(qpair->srb_mempool);
7939 kfree(qpair);
7940 mutex_unlock(&ha->mq_lock);
7941
7942 return QLA_SUCCESS;
7943 fail:
7944 return ret;
7945 }
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