?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
ocfs2: fix several issues of append dio
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_init.c
blob16a1935cc9c1131359e514befb04b6a7bb155f9b
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 *, struct list_head *);
34 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
35 uint16_t *);
36
37 static int qla2x00_restart_isp(scsi_qla_host_t *);
38
39 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
40 static int qla84xx_init_chip(scsi_qla_host_t *);
41 static int qla25xx_init_queues(struct qla_hw_data *);
42
43 /* SRB Extensions ---------------------------------------------------------- */
44
45 void
46 qla2x00_sp_timeout(unsigned long __data)
47 {
48 srb_t *sp = (srb_t *)__data;
49 struct srb_iocb *iocb;
50 fc_port_t *fcport = sp->fcport;
51 struct qla_hw_data *ha = fcport->vha->hw;
52 struct req_que *req;
53 unsigned long flags;
54
55 spin_lock_irqsave(&ha->hardware_lock, flags);
56 req = ha->req_q_map[0];
57 req->outstanding_cmds[sp->handle] = NULL;
58 iocb = &sp->u.iocb_cmd;
59 iocb->timeout(sp);
60 sp->free(fcport->vha, sp);
61 spin_unlock_irqrestore(&ha->hardware_lock, flags);
62 }
63
64 void
65 qla2x00_sp_free(void *data, void *ptr)
66 {
67 srb_t *sp = (srb_t *)ptr;
68 struct srb_iocb *iocb = &sp->u.iocb_cmd;
69 struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
70
71 del_timer(&iocb->timer);
72 qla2x00_rel_sp(vha, sp);
73 }
74
75 /* Asynchronous Login/Logout Routines -------------------------------------- */
76
77 unsigned long
78 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
79 {
80 unsigned long tmo;
81 struct qla_hw_data *ha = vha->hw;
82
83 /* Firmware should use switch negotiated r_a_tov for timeout. */
84 tmo = ha->r_a_tov / 10 * 2;
85 if (IS_QLAFX00(ha)) {
86 tmo = FX00_DEF_RATOV * 2;
87 } else if (!IS_FWI2_CAPABLE(ha)) {
88 /*
89 * Except for earlier ISPs where the timeout is seeded from the
90 * initialization control block.
91 */
92 tmo = ha->login_timeout;
93 }
94 return tmo;
95 }
96
97 static void
98 qla2x00_async_iocb_timeout(void *data)
99 {
100 srb_t *sp = (srb_t *)data;
101 fc_port_t *fcport = sp->fcport;
102
103 ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
104 "Async-%s timeout - hdl=%x portid=%02x%02x%02x.\n",
105 sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
106 fcport->d_id.b.al_pa);
107
108 fcport->flags &= ~FCF_ASYNC_SENT;
109 if (sp->type == SRB_LOGIN_CMD) {
110 struct srb_iocb *lio = &sp->u.iocb_cmd;
111 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
112 /* Retry as needed. */
113 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
114 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
115 QLA_LOGIO_LOGIN_RETRIED : 0;
116 qla2x00_post_async_login_done_work(fcport->vha, fcport,
117 lio->u.logio.data);
118 } else if (sp->type == SRB_LOGOUT_CMD) {
119 qlt_logo_completion_handler(fcport, QLA_FUNCTION_TIMEOUT);
120 }
121 }
122
123 static void
124 qla2x00_async_login_sp_done(void *data, void *ptr, int res)
125 {
126 srb_t *sp = (srb_t *)ptr;
127 struct srb_iocb *lio = &sp->u.iocb_cmd;
128 struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
129
130 if (!test_bit(UNLOADING, &vha->dpc_flags))
131 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
132 lio->u.logio.data);
133 sp->free(sp->fcport->vha, sp);
134 }
135
136 int
137 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
138 uint16_t *data)
139 {
140 srb_t *sp;
141 struct srb_iocb *lio;
142 int rval;
143
144 rval = QLA_FUNCTION_FAILED;
145 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
146 if (!sp)
147 goto done;
148
149 sp->type = SRB_LOGIN_CMD;
150 sp->name = "login";
151 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
152
153 lio = &sp->u.iocb_cmd;
154 lio->timeout = qla2x00_async_iocb_timeout;
155 sp->done = qla2x00_async_login_sp_done;
156 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
157 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
158 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
159 rval = qla2x00_start_sp(sp);
160 if (rval != QLA_SUCCESS)
161 goto done_free_sp;
162
163 ql_dbg(ql_dbg_disc, vha, 0x2072,
164 "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
165 "retries=%d.\n", sp->handle, fcport->loop_id,
166 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
167 fcport->login_retry);
168 return rval;
169
170 done_free_sp:
171 sp->free(fcport->vha, sp);
172 done:
173 return rval;
174 }
175
176 static void
177 qla2x00_async_logout_sp_done(void *data, void *ptr, int res)
178 {
179 srb_t *sp = (srb_t *)ptr;
180 struct srb_iocb *lio = &sp->u.iocb_cmd;
181 struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
182
183 if (!test_bit(UNLOADING, &vha->dpc_flags))
184 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
185 lio->u.logio.data);
186 sp->free(sp->fcport->vha, sp);
187 }
188
189 int
190 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
191 {
192 srb_t *sp;
193 struct srb_iocb *lio;
194 int rval;
195
196 rval = QLA_FUNCTION_FAILED;
197 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
198 if (!sp)
199 goto done;
200
201 sp->type = SRB_LOGOUT_CMD;
202 sp->name = "logout";
203 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
204
205 lio = &sp->u.iocb_cmd;
206 lio->timeout = qla2x00_async_iocb_timeout;
207 sp->done = qla2x00_async_logout_sp_done;
208 rval = qla2x00_start_sp(sp);
209 if (rval != QLA_SUCCESS)
210 goto done_free_sp;
211
212 ql_dbg(ql_dbg_disc, vha, 0x2070,
213 "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
214 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
215 fcport->d_id.b.area, fcport->d_id.b.al_pa);
216 return rval;
217
218 done_free_sp:
219 sp->free(fcport->vha, sp);
220 done:
221 return rval;
222 }
223
224 static void
225 qla2x00_async_adisc_sp_done(void *data, void *ptr, int res)
226 {
227 srb_t *sp = (srb_t *)ptr;
228 struct srb_iocb *lio = &sp->u.iocb_cmd;
229 struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
230
231 if (!test_bit(UNLOADING, &vha->dpc_flags))
232 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
233 lio->u.logio.data);
234 sp->free(sp->fcport->vha, sp);
235 }
236
237 int
238 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
239 uint16_t *data)
240 {
241 srb_t *sp;
242 struct srb_iocb *lio;
243 int rval;
244
245 rval = QLA_FUNCTION_FAILED;
246 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
247 if (!sp)
248 goto done;
249
250 sp->type = SRB_ADISC_CMD;
251 sp->name = "adisc";
252 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
253
254 lio = &sp->u.iocb_cmd;
255 lio->timeout = qla2x00_async_iocb_timeout;
256 sp->done = qla2x00_async_adisc_sp_done;
257 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
258 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
259 rval = qla2x00_start_sp(sp);
260 if (rval != QLA_SUCCESS)
261 goto done_free_sp;
262
263 ql_dbg(ql_dbg_disc, vha, 0x206f,
264 "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
265 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
266 fcport->d_id.b.area, fcport->d_id.b.al_pa);
267 return rval;
268
269 done_free_sp:
270 sp->free(fcport->vha, sp);
271 done:
272 return rval;
273 }
274
275 static void
276 qla2x00_tmf_iocb_timeout(void *data)
277 {
278 srb_t *sp = (srb_t *)data;
279 struct srb_iocb *tmf = &sp->u.iocb_cmd;
280
281 tmf->u.tmf.comp_status = CS_TIMEOUT;
282 complete(&tmf->u.tmf.comp);
283 }
284
285 static void
286 qla2x00_tmf_sp_done(void *data, void *ptr, int res)
287 {
288 srb_t *sp = (srb_t *)ptr;
289 struct srb_iocb *tmf = &sp->u.iocb_cmd;
290 complete(&tmf->u.tmf.comp);
291 }
292
293 int
294 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
295 uint32_t tag)
296 {
297 struct scsi_qla_host *vha = fcport->vha;
298 struct srb_iocb *tm_iocb;
299 srb_t *sp;
300 int rval = QLA_FUNCTION_FAILED;
301
302 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
303 if (!sp)
304 goto done;
305
306 tm_iocb = &sp->u.iocb_cmd;
307 sp->type = SRB_TM_CMD;
308 sp->name = "tmf";
309 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
310 tm_iocb->u.tmf.flags = flags;
311 tm_iocb->u.tmf.lun = lun;
312 tm_iocb->u.tmf.data = tag;
313 sp->done = qla2x00_tmf_sp_done;
314 tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
315 init_completion(&tm_iocb->u.tmf.comp);
316
317 rval = qla2x00_start_sp(sp);
318 if (rval != QLA_SUCCESS)
319 goto done_free_sp;
320
321 ql_dbg(ql_dbg_taskm, vha, 0x802f,
322 "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
323 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
324 fcport->d_id.b.area, fcport->d_id.b.al_pa);
325
326 wait_for_completion(&tm_iocb->u.tmf.comp);
327
328 rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
329 QLA_SUCCESS : QLA_FUNCTION_FAILED;
330
331 if ((rval != QLA_SUCCESS) || tm_iocb->u.tmf.data) {
332 ql_dbg(ql_dbg_taskm, vha, 0x8030,
333 "TM IOCB failed (%x).\n", rval);
334 }
335
336 if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
337 flags = tm_iocb->u.tmf.flags;
338 lun = (uint16_t)tm_iocb->u.tmf.lun;
339
340 /* Issue Marker IOCB */
341 qla2x00_marker(vha, vha->hw->req_q_map[0],
342 vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
343 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
344 }
345
346 done_free_sp:
347 sp->free(vha, sp);
348 done:
349 return rval;
350 }
351
352 static void
353 qla24xx_abort_iocb_timeout(void *data)
354 {
355 srb_t *sp = (srb_t *)data;
356 struct srb_iocb *abt = &sp->u.iocb_cmd;
357
358 abt->u.abt.comp_status = CS_TIMEOUT;
359 complete(&abt->u.abt.comp);
360 }
361
362 static void
363 qla24xx_abort_sp_done(void *data, void *ptr, int res)
364 {
365 srb_t *sp = (srb_t *)ptr;
366 struct srb_iocb *abt = &sp->u.iocb_cmd;
367
368 complete(&abt->u.abt.comp);
369 }
370
371 static int
372 qla24xx_async_abort_cmd(srb_t *cmd_sp)
373 {
374 scsi_qla_host_t *vha = cmd_sp->fcport->vha;
375 fc_port_t *fcport = cmd_sp->fcport;
376 struct srb_iocb *abt_iocb;
377 srb_t *sp;
378 int rval = QLA_FUNCTION_FAILED;
379
380 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
381 if (!sp)
382 goto done;
383
384 abt_iocb = &sp->u.iocb_cmd;
385 sp->type = SRB_ABT_CMD;
386 sp->name = "abort";
387 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
388 abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
389 sp->done = qla24xx_abort_sp_done;
390 abt_iocb->timeout = qla24xx_abort_iocb_timeout;
391 init_completion(&abt_iocb->u.abt.comp);
392
393 rval = qla2x00_start_sp(sp);
394 if (rval != QLA_SUCCESS)
395 goto done_free_sp;
396
397 ql_dbg(ql_dbg_async, vha, 0x507c,
398 "Abort command issued - hdl=%x, target_id=%x\n",
399 cmd_sp->handle, fcport->tgt_id);
400
401 wait_for_completion(&abt_iocb->u.abt.comp);
402
403 rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
404 QLA_SUCCESS : QLA_FUNCTION_FAILED;
405
406 done_free_sp:
407 sp->free(vha, sp);
408 done:
409 return rval;
410 }
411
412 int
413 qla24xx_async_abort_command(srb_t *sp)
414 {
415 unsigned long flags = 0;
416
417 uint32_t handle;
418 fc_port_t *fcport = sp->fcport;
419 struct scsi_qla_host *vha = fcport->vha;
420 struct qla_hw_data *ha = vha->hw;
421 struct req_que *req = vha->req;
422
423 spin_lock_irqsave(&ha->hardware_lock, flags);
424 for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
425 if (req->outstanding_cmds[handle] == sp)
426 break;
427 }
428 spin_unlock_irqrestore(&ha->hardware_lock, flags);
429 if (handle == req->num_outstanding_cmds) {
430 /* Command not found. */
431 return QLA_FUNCTION_FAILED;
432 }
433 if (sp->type == SRB_FXIOCB_DCMD)
434 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
435 FXDISC_ABORT_IOCTL);
436
437 return qla24xx_async_abort_cmd(sp);
438 }
439
440 void
441 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
442 uint16_t *data)
443 {
444 int rval;
445
446 switch (data[0]) {
447 case MBS_COMMAND_COMPLETE:
448 /*
449 * Driver must validate login state - If PRLI not complete,
450 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
451 * requests.
452 */
453 rval = qla2x00_get_port_database(vha, fcport, 0);
454 if (rval == QLA_NOT_LOGGED_IN) {
455 fcport->flags &= ~FCF_ASYNC_SENT;
456 fcport->flags |= FCF_LOGIN_NEEDED;
457 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
458 break;
459 }
460
461 if (rval != QLA_SUCCESS) {
462 qla2x00_post_async_logout_work(vha, fcport, NULL);
463 qla2x00_post_async_login_work(vha, fcport, NULL);
464 break;
465 }
466 if (fcport->flags & FCF_FCP2_DEVICE) {
467 qla2x00_post_async_adisc_work(vha, fcport, data);
468 break;
469 }
470 qla2x00_update_fcport(vha, fcport);
471 break;
472 case MBS_COMMAND_ERROR:
473 fcport->flags &= ~FCF_ASYNC_SENT;
474 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
475 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
476 else
477 qla2x00_mark_device_lost(vha, fcport, 1, 0);
478 break;
479 case MBS_PORT_ID_USED:
480 fcport->loop_id = data[1];
481 qla2x00_post_async_logout_work(vha, fcport, NULL);
482 qla2x00_post_async_login_work(vha, fcport, NULL);
483 break;
484 case MBS_LOOP_ID_USED:
485 fcport->loop_id++;
486 rval = qla2x00_find_new_loop_id(vha, fcport);
487 if (rval != QLA_SUCCESS) {
488 fcport->flags &= ~FCF_ASYNC_SENT;
489 qla2x00_mark_device_lost(vha, fcport, 1, 0);
490 break;
491 }
492 qla2x00_post_async_login_work(vha, fcport, NULL);
493 break;
494 }
495 return;
496 }
497
498 void
499 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
500 uint16_t *data)
501 {
502 /* Don't re-login in target mode */
503 if (!fcport->tgt_session)
504 qla2x00_mark_device_lost(vha, fcport, 1, 0);
505 qlt_logo_completion_handler(fcport, data[0]);
506 return;
507 }
508
509 void
510 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
511 uint16_t *data)
512 {
513 if (data[0] == MBS_COMMAND_COMPLETE) {
514 qla2x00_update_fcport(vha, fcport);
515
516 return;
517 }
518
519 /* Retry login. */
520 fcport->flags &= ~FCF_ASYNC_SENT;
521 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
522 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
523 else
524 qla2x00_mark_device_lost(vha, fcport, 1, 0);
525
526 return;
527 }
528
529 /****************************************************************************/
530 /* QLogic ISP2x00 Hardware Support Functions. */
531 /****************************************************************************/
532
533 static int
534 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
535 {
536 int rval = QLA_SUCCESS;
537 struct qla_hw_data *ha = vha->hw;
538 uint32_t idc_major_ver, idc_minor_ver;
539 uint16_t config[4];
540
541 qla83xx_idc_lock(vha, 0);
542
543 /* SV: TODO: Assign initialization timeout from
544 * flash-info / other param
545 */
546 ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
547 ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
548
549 /* Set our fcoe function presence */
550 if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
551 ql_dbg(ql_dbg_p3p, vha, 0xb077,
552 "Error while setting DRV-Presence.\n");
553 rval = QLA_FUNCTION_FAILED;
554 goto exit;
555 }
556
557 /* Decide the reset ownership */
558 qla83xx_reset_ownership(vha);
559
560 /*
561 * On first protocol driver load:
562 * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
563 * register.
564 * Others: Check compatibility with current IDC Major version.
565 */
566 qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
567 if (ha->flags.nic_core_reset_owner) {
568 /* Set IDC Major version */
569 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
570 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
571
572 /* Clearing IDC-Lock-Recovery register */
573 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
574 } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
575 /*
576 * Clear further IDC participation if we are not compatible with
577 * the current IDC Major Version.
578 */
579 ql_log(ql_log_warn, vha, 0xb07d,
580 "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
581 idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
582 __qla83xx_clear_drv_presence(vha);
583 rval = QLA_FUNCTION_FAILED;
584 goto exit;
585 }
586 /* Each function sets its supported Minor version. */
587 qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
588 idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
589 qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
590
591 if (ha->flags.nic_core_reset_owner) {
592 memset(config, 0, sizeof(config));
593 if (!qla81xx_get_port_config(vha, config))
594 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
595 QLA8XXX_DEV_READY);
596 }
597
598 rval = qla83xx_idc_state_handler(vha);
599
600 exit:
601 qla83xx_idc_unlock(vha, 0);
602
603 return rval;
604 }
605
606 /*
607 * qla2x00_initialize_adapter
608 * Initialize board.
609 *
610 * Input:
611 * ha = adapter block pointer.
612 *
613 * Returns:
614 * 0 = success
615 */
616 int
617 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
618 {
619 int rval;
620 struct qla_hw_data *ha = vha->hw;
621 struct req_que *req = ha->req_q_map[0];
622
623 /* Clear adapter flags. */
624 vha->flags.online = 0;
625 ha->flags.chip_reset_done = 0;
626 vha->flags.reset_active = 0;
627 ha->flags.pci_channel_io_perm_failure = 0;
628 ha->flags.eeh_busy = 0;
629 vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
630 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
631 atomic_set(&vha->loop_state, LOOP_DOWN);
632 vha->device_flags = DFLG_NO_CABLE;
633 vha->dpc_flags = 0;
634 vha->flags.management_server_logged_in = 0;
635 vha->marker_needed = 0;
636 ha->isp_abort_cnt = 0;
637 ha->beacon_blink_led = 0;
638
639 set_bit(0, ha->req_qid_map);
640 set_bit(0, ha->rsp_qid_map);
641
642 ql_dbg(ql_dbg_init, vha, 0x0040,
643 "Configuring PCI space...\n");
644 rval = ha->isp_ops->pci_config(vha);
645 if (rval) {
646 ql_log(ql_log_warn, vha, 0x0044,
647 "Unable to configure PCI space.\n");
648 return (rval);
649 }
650
651 ha->isp_ops->reset_chip(vha);
652
653 rval = qla2xxx_get_flash_info(vha);
654 if (rval) {
655 ql_log(ql_log_fatal, vha, 0x004f,
656 "Unable to validate FLASH data.\n");
657 return rval;
658 }
659
660 if (IS_QLA8044(ha)) {
661 qla8044_read_reset_template(vha);
662
663 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
664 * If DONRESET_BIT0 is set, drivers should not set dev_state
665 * to NEED_RESET. But if NEED_RESET is set, drivers should
666 * should honor the reset. */
667 if (ql2xdontresethba == 1)
668 qla8044_set_idc_dontreset(vha);
669 }
670
671 ha->isp_ops->get_flash_version(vha, req->ring);
672 ql_dbg(ql_dbg_init, vha, 0x0061,
673 "Configure NVRAM parameters...\n");
674
675 ha->isp_ops->nvram_config(vha);
676
677 if (ha->flags.disable_serdes) {
678 /* Mask HBA via NVRAM settings? */
679 ql_log(ql_log_info, vha, 0x0077,
680 "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
681 return QLA_FUNCTION_FAILED;
682 }
683
684 ql_dbg(ql_dbg_init, vha, 0x0078,
685 "Verifying loaded RISC code...\n");
686
687 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
688 rval = ha->isp_ops->chip_diag(vha);
689 if (rval)
690 return (rval);
691 rval = qla2x00_setup_chip(vha);
692 if (rval)
693 return (rval);
694 }
695
696 if (IS_QLA84XX(ha)) {
697 ha->cs84xx = qla84xx_get_chip(vha);
698 if (!ha->cs84xx) {
699 ql_log(ql_log_warn, vha, 0x00d0,
700 "Unable to configure ISP84XX.\n");
701 return QLA_FUNCTION_FAILED;
702 }
703 }
704
705 if (qla_ini_mode_enabled(vha))
706 rval = qla2x00_init_rings(vha);
707
708 ha->flags.chip_reset_done = 1;
709
710 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
711 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
712 rval = qla84xx_init_chip(vha);
713 if (rval != QLA_SUCCESS) {
714 ql_log(ql_log_warn, vha, 0x00d4,
715 "Unable to initialize ISP84XX.\n");
716 qla84xx_put_chip(vha);
717 }
718 }
719
720 /* Load the NIC Core f/w if we are the first protocol driver. */
721 if (IS_QLA8031(ha)) {
722 rval = qla83xx_nic_core_fw_load(vha);
723 if (rval)
724 ql_log(ql_log_warn, vha, 0x0124,
725 "Error in initializing NIC Core f/w.\n");
726 }
727
728 if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
729 qla24xx_read_fcp_prio_cfg(vha);
730
731 if (IS_P3P_TYPE(ha))
732 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
733 else
734 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
735
736 return (rval);
737 }
738
739 /**
740 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
741 * @ha: HA context
742 *
743 * Returns 0 on success.
744 */
745 int
746 qla2100_pci_config(scsi_qla_host_t *vha)
747 {
748 uint16_t w;
749 unsigned long flags;
750 struct qla_hw_data *ha = vha->hw;
751 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
752
753 pci_set_master(ha->pdev);
754 pci_try_set_mwi(ha->pdev);
755
756 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
757 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
758 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
759
760 pci_disable_rom(ha->pdev);
761
762 /* Get PCI bus information. */
763 spin_lock_irqsave(&ha->hardware_lock, flags);
764 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
765 spin_unlock_irqrestore(&ha->hardware_lock, flags);
766
767 return QLA_SUCCESS;
768 }
769
770 /**
771 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
772 * @ha: HA context
773 *
774 * Returns 0 on success.
775 */
776 int
777 qla2300_pci_config(scsi_qla_host_t *vha)
778 {
779 uint16_t w;
780 unsigned long flags = 0;
781 uint32_t cnt;
782 struct qla_hw_data *ha = vha->hw;
783 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
784
785 pci_set_master(ha->pdev);
786 pci_try_set_mwi(ha->pdev);
787
788 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
789 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
790
791 if (IS_QLA2322(ha) || IS_QLA6322(ha))
792 w &= ~PCI_COMMAND_INTX_DISABLE;
793 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
794
795 /*
796 * If this is a 2300 card and not 2312, reset the
797 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
798 * the 2310 also reports itself as a 2300 so we need to get the
799 * fb revision level -- a 6 indicates it really is a 2300 and
800 * not a 2310.
801 */
802 if (IS_QLA2300(ha)) {
803 spin_lock_irqsave(&ha->hardware_lock, flags);
804
805 /* Pause RISC. */
806 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
807 for (cnt = 0; cnt < 30000; cnt++) {
808 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
809 break;
810
811 udelay(10);
812 }
813
814 /* Select FPM registers. */
815 WRT_REG_WORD(&reg->ctrl_status, 0x20);
816 RD_REG_WORD(&reg->ctrl_status);
817
818 /* Get the fb rev level */
819 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
820
821 if (ha->fb_rev == FPM_2300)
822 pci_clear_mwi(ha->pdev);
823
824 /* Deselect FPM registers. */
825 WRT_REG_WORD(&reg->ctrl_status, 0x0);
826 RD_REG_WORD(&reg->ctrl_status);
827
828 /* Release RISC module. */
829 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
830 for (cnt = 0; cnt < 30000; cnt++) {
831 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
832 break;
833
834 udelay(10);
835 }
836
837 spin_unlock_irqrestore(&ha->hardware_lock, flags);
838 }
839
840 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
841
842 pci_disable_rom(ha->pdev);
843
844 /* Get PCI bus information. */
845 spin_lock_irqsave(&ha->hardware_lock, flags);
846 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
847 spin_unlock_irqrestore(&ha->hardware_lock, flags);
848
849 return QLA_SUCCESS;
850 }
851
852 /**
853 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
854 * @ha: HA context
855 *
856 * Returns 0 on success.
857 */
858 int
859 qla24xx_pci_config(scsi_qla_host_t *vha)
860 {
861 uint16_t w;
862 unsigned long flags = 0;
863 struct qla_hw_data *ha = vha->hw;
864 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
865
866 pci_set_master(ha->pdev);
867 pci_try_set_mwi(ha->pdev);
868
869 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
870 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
871 w &= ~PCI_COMMAND_INTX_DISABLE;
872 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
873
874 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
875
876 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
877 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
878 pcix_set_mmrbc(ha->pdev, 2048);
879
880 /* PCIe -- adjust Maximum Read Request Size (2048). */
881 if (pci_is_pcie(ha->pdev))
882 pcie_set_readrq(ha->pdev, 4096);
883
884 pci_disable_rom(ha->pdev);
885
886 ha->chip_revision = ha->pdev->revision;
887
888 /* Get PCI bus information. */
889 spin_lock_irqsave(&ha->hardware_lock, flags);
890 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
891 spin_unlock_irqrestore(&ha->hardware_lock, flags);
892
893 return QLA_SUCCESS;
894 }
895
896 /**
897 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
898 * @ha: HA context
899 *
900 * Returns 0 on success.
901 */
902 int
903 qla25xx_pci_config(scsi_qla_host_t *vha)
904 {
905 uint16_t w;
906 struct qla_hw_data *ha = vha->hw;
907
908 pci_set_master(ha->pdev);
909 pci_try_set_mwi(ha->pdev);
910
911 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
912 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
913 w &= ~PCI_COMMAND_INTX_DISABLE;
914 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
915
916 /* PCIe -- adjust Maximum Read Request Size (2048). */
917 if (pci_is_pcie(ha->pdev))
918 pcie_set_readrq(ha->pdev, 4096);
919
920 pci_disable_rom(ha->pdev);
921
922 ha->chip_revision = ha->pdev->revision;
923
924 return QLA_SUCCESS;
925 }
926
927 /**
928 * qla2x00_isp_firmware() - Choose firmware image.
929 * @ha: HA context
930 *
931 * Returns 0 on success.
932 */
933 static int
934 qla2x00_isp_firmware(scsi_qla_host_t *vha)
935 {
936 int rval;
937 uint16_t loop_id, topo, sw_cap;
938 uint8_t domain, area, al_pa;
939 struct qla_hw_data *ha = vha->hw;
940
941 /* Assume loading risc code */
942 rval = QLA_FUNCTION_FAILED;
943
944 if (ha->flags.disable_risc_code_load) {
945 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
946
947 /* Verify checksum of loaded RISC code. */
948 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
949 if (rval == QLA_SUCCESS) {
950 /* And, verify we are not in ROM code. */
951 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
952 &area, &domain, &topo, &sw_cap);
953 }
954 }
955
956 if (rval)
957 ql_dbg(ql_dbg_init, vha, 0x007a,
958 "**** Load RISC code ****.\n");
959
960 return (rval);
961 }
962
963 /**
964 * qla2x00_reset_chip() - Reset ISP chip.
965 * @ha: HA context
966 *
967 * Returns 0 on success.
968 */
969 void
970 qla2x00_reset_chip(scsi_qla_host_t *vha)
971 {
972 unsigned long flags = 0;
973 struct qla_hw_data *ha = vha->hw;
974 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
975 uint32_t cnt;
976 uint16_t cmd;
977
978 if (unlikely(pci_channel_offline(ha->pdev)))
979 return;
980
981 ha->isp_ops->disable_intrs(ha);
982
983 spin_lock_irqsave(&ha->hardware_lock, flags);
984
985 /* Turn off master enable */
986 cmd = 0;
987 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
988 cmd &= ~PCI_COMMAND_MASTER;
989 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
990
991 if (!IS_QLA2100(ha)) {
992 /* Pause RISC. */
993 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
994 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
995 for (cnt = 0; cnt < 30000; cnt++) {
996 if ((RD_REG_WORD(&reg->hccr) &
997 HCCR_RISC_PAUSE) != 0)
998 break;
999 udelay(100);
1000 }
1001 } else {
1002 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
1003 udelay(10);
1004 }
1005
1006 /* Select FPM registers. */
1007 WRT_REG_WORD(&reg->ctrl_status, 0x20);
1008 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1009
1010 /* FPM Soft Reset. */
1011 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
1012 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
1013
1014 /* Toggle Fpm Reset. */
1015 if (!IS_QLA2200(ha)) {
1016 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
1017 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
1018 }
1019
1020 /* Select frame buffer registers. */
1021 WRT_REG_WORD(&reg->ctrl_status, 0x10);
1022 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1023
1024 /* Reset frame buffer FIFOs. */
1025 if (IS_QLA2200(ha)) {
1026 WRT_FB_CMD_REG(ha, reg, 0xa000);
1027 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
1028 } else {
1029 WRT_FB_CMD_REG(ha, reg, 0x00fc);
1030
1031 /* Read back fb_cmd until zero or 3 seconds max */
1032 for (cnt = 0; cnt < 3000; cnt++) {
1033 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
1034 break;
1035 udelay(100);
1036 }
1037 }
1038
1039 /* Select RISC module registers. */
1040 WRT_REG_WORD(&reg->ctrl_status, 0);
1041 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1042
1043 /* Reset RISC processor. */
1044 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1045 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
1046
1047 /* Release RISC processor. */
1048 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1049 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
1050 }
1051
1052 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
1053 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
1054
1055 /* Reset ISP chip. */
1056 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1057
1058 /* Wait for RISC to recover from reset. */
1059 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1060 /*
1061 * It is necessary to for a delay here since the card doesn't
1062 * respond to PCI reads during a reset. On some architectures
1063 * this will result in an MCA.
1064 */
1065 udelay(20);
1066 for (cnt = 30000; cnt; cnt--) {
1067 if ((RD_REG_WORD(&reg->ctrl_status) &
1068 CSR_ISP_SOFT_RESET) == 0)
1069 break;
1070 udelay(100);
1071 }
1072 } else
1073 udelay(10);
1074
1075 /* Reset RISC processor. */
1076 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1077
1078 WRT_REG_WORD(&reg->semaphore, 0);
1079
1080 /* Release RISC processor. */
1081 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1082 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
1083
1084 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1085 for (cnt = 0; cnt < 30000; cnt++) {
1086 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1087 break;
1088
1089 udelay(100);
1090 }
1091 } else
1092 udelay(100);
1093
1094 /* Turn on master enable */
1095 cmd |= PCI_COMMAND_MASTER;
1096 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
1097
1098 /* Disable RISC pause on FPM parity error. */
1099 if (!IS_QLA2100(ha)) {
1100 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
1101 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
1102 }
1103
1104 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1105 }
1106
1107 /**
1108 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
1109 *
1110 * Returns 0 on success.
1111 */
1112 static int
1113 qla81xx_reset_mpi(scsi_qla_host_t *vha)
1114 {
1115 uint16_t mb[4] = {0x1010, 0, 1, 0};
1116
1117 if (!IS_QLA81XX(vha->hw))
1118 return QLA_SUCCESS;
1119
1120 return qla81xx_write_mpi_register(vha, mb);
1121 }
1122
1123 /**
1124 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
1125 * @ha: HA context
1126 *
1127 * Returns 0 on success.
1128 */
1129 static inline int
1130 qla24xx_reset_risc(scsi_qla_host_t *vha)
1131 {
1132 unsigned long flags = 0;
1133 struct qla_hw_data *ha = vha->hw;
1134 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1135 uint32_t cnt;
1136 uint16_t wd;
1137 static int abts_cnt; /* ISP abort retry counts */
1138 int rval = QLA_SUCCESS;
1139
1140 spin_lock_irqsave(&ha->hardware_lock, flags);
1141
1142 /* Reset RISC. */
1143 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1144 for (cnt = 0; cnt < 30000; cnt++) {
1145 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1146 break;
1147
1148 udelay(10);
1149 }
1150
1151 if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
1152 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
1153
1154 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
1155 "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
1156 RD_REG_DWORD(&reg->hccr),
1157 RD_REG_DWORD(&reg->ctrl_status),
1158 (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
1159
1160 WRT_REG_DWORD(&reg->ctrl_status,
1161 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1162 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1163
1164 udelay(100);
1165
1166 /* Wait for firmware to complete NVRAM accesses. */
1167 RD_REG_WORD(&reg->mailbox0);
1168 for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
1169 rval == QLA_SUCCESS; cnt--) {
1170 barrier();
1171 if (cnt)
1172 udelay(5);
1173 else
1174 rval = QLA_FUNCTION_TIMEOUT;
1175 }
1176
1177 if (rval == QLA_SUCCESS)
1178 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
1179
1180 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
1181 "HCCR: 0x%x, MailBox0 Status 0x%x\n",
1182 RD_REG_DWORD(&reg->hccr),
1183 RD_REG_DWORD(&reg->mailbox0));
1184
1185 /* Wait for soft-reset to complete. */
1186 RD_REG_DWORD(&reg->ctrl_status);
1187 for (cnt = 0; cnt < 6000000; cnt++) {
1188 barrier();
1189 if ((RD_REG_DWORD(&reg->ctrl_status) &
1190 CSRX_ISP_SOFT_RESET) == 0)
1191 break;
1192
1193 udelay(5);
1194 }
1195 if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
1196 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
1197
1198 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
1199 "HCCR: 0x%x, Soft Reset status: 0x%x\n",
1200 RD_REG_DWORD(&reg->hccr),
1201 RD_REG_DWORD(&reg->ctrl_status));
1202
1203 /* If required, do an MPI FW reset now */
1204 if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1205 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1206 if (++abts_cnt < 5) {
1207 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1208 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1209 } else {
1210 /*
1211 * We exhausted the ISP abort retries. We have to
1212 * set the board offline.
1213 */
1214 abts_cnt = 0;
1215 vha->flags.online = 0;
1216 }
1217 }
1218 }
1219
1220 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1221 RD_REG_DWORD(&reg->hccr);
1222
1223 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1224 RD_REG_DWORD(&reg->hccr);
1225
1226 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1227 RD_REG_DWORD(&reg->hccr);
1228
1229 RD_REG_WORD(&reg->mailbox0);
1230 for (cnt = 6000000; RD_REG_WORD(&reg->mailbox0) != 0 &&
1231 rval == QLA_SUCCESS; cnt--) {
1232 barrier();
1233 if (cnt)
1234 udelay(5);
1235 else
1236 rval = QLA_FUNCTION_TIMEOUT;
1237 }
1238 if (rval == QLA_SUCCESS)
1239 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
1240
1241 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
1242 "Host Risc 0x%x, mailbox0 0x%x\n",
1243 RD_REG_DWORD(&reg->hccr),
1244 RD_REG_WORD(&reg->mailbox0));
1245
1246 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1247
1248 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
1249 "Driver in %s mode\n",
1250 IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
1251
1252 if (IS_NOPOLLING_TYPE(ha))
1253 ha->isp_ops->enable_intrs(ha);
1254
1255 return rval;
1256 }
1257
1258 static void
1259 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
1260 {
1261 struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1262
1263 WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1264 *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
1265
1266 }
1267
1268 static void
1269 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
1270 {
1271 struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1272
1273 WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1274 WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
1275 }
1276
1277 static void
1278 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
1279 {
1280 uint32_t wd32 = 0;
1281 uint delta_msec = 100;
1282 uint elapsed_msec = 0;
1283 uint timeout_msec;
1284 ulong n;
1285
1286 if (vha->hw->pdev->subsystem_device != 0x0175 &&
1287 vha->hw->pdev->subsystem_device != 0x0240)
1288 return;
1289
1290 WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
1291 udelay(100);
1292
1293 attempt:
1294 timeout_msec = TIMEOUT_SEMAPHORE;
1295 n = timeout_msec / delta_msec;
1296 while (n--) {
1297 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
1298 qla25xx_read_risc_sema_reg(vha, &wd32);
1299 if (wd32 & RISC_SEMAPHORE)
1300 break;
1301 msleep(delta_msec);
1302 elapsed_msec += delta_msec;
1303 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1304 goto force;
1305 }
1306
1307 if (!(wd32 & RISC_SEMAPHORE))
1308 goto force;
1309
1310 if (!(wd32 & RISC_SEMAPHORE_FORCE))
1311 goto acquired;
1312
1313 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
1314 timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
1315 n = timeout_msec / delta_msec;
1316 while (n--) {
1317 qla25xx_read_risc_sema_reg(vha, &wd32);
1318 if (!(wd32 & RISC_SEMAPHORE_FORCE))
1319 break;
1320 msleep(delta_msec);
1321 elapsed_msec += delta_msec;
1322 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1323 goto force;
1324 }
1325
1326 if (wd32 & RISC_SEMAPHORE_FORCE)
1327 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
1328
1329 goto attempt;
1330
1331 force:
1332 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
1333
1334 acquired:
1335 return;
1336 }
1337
1338 /**
1339 * qla24xx_reset_chip() - Reset ISP24xx chip.
1340 * @ha: HA context
1341 *
1342 * Returns 0 on success.
1343 */
1344 void
1345 qla24xx_reset_chip(scsi_qla_host_t *vha)
1346 {
1347 struct qla_hw_data *ha = vha->hw;
1348
1349 if (pci_channel_offline(ha->pdev) &&
1350 ha->flags.pci_channel_io_perm_failure) {
1351 return;
1352 }
1353
1354 ha->isp_ops->disable_intrs(ha);
1355
1356 qla25xx_manipulate_risc_semaphore(vha);
1357
1358 /* Perform RISC reset. */
1359 qla24xx_reset_risc(vha);
1360 }
1361
1362 /**
1363 * qla2x00_chip_diag() - Test chip for proper operation.
1364 * @ha: HA context
1365 *
1366 * Returns 0 on success.
1367 */
1368 int
1369 qla2x00_chip_diag(scsi_qla_host_t *vha)
1370 {
1371 int rval;
1372 struct qla_hw_data *ha = vha->hw;
1373 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1374 unsigned long flags = 0;
1375 uint16_t data;
1376 uint32_t cnt;
1377 uint16_t mb[5];
1378 struct req_que *req = ha->req_q_map[0];
1379
1380 /* Assume a failed state */
1381 rval = QLA_FUNCTION_FAILED;
1382
1383 ql_dbg(ql_dbg_init, vha, 0x007b,
1384 "Testing device at %lx.\n", (u_long)&reg->flash_address);
1385
1386 spin_lock_irqsave(&ha->hardware_lock, flags);
1387
1388 /* Reset ISP chip. */
1389 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1390
1391 /*
1392 * We need to have a delay here since the card will not respond while
1393 * in reset causing an MCA on some architectures.
1394 */
1395 udelay(20);
1396 data = qla2x00_debounce_register(&reg->ctrl_status);
1397 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1398 udelay(5);
1399 data = RD_REG_WORD(&reg->ctrl_status);
1400 barrier();
1401 }
1402
1403 if (!cnt)
1404 goto chip_diag_failed;
1405
1406 ql_dbg(ql_dbg_init, vha, 0x007c,
1407 "Reset register cleared by chip reset.\n");
1408
1409 /* Reset RISC processor. */
1410 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1411 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1412
1413 /* Workaround for QLA2312 PCI parity error */
1414 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1415 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1416 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1417 udelay(5);
1418 data = RD_MAILBOX_REG(ha, reg, 0);
1419 barrier();
1420 }
1421 } else
1422 udelay(10);
1423
1424 if (!cnt)
1425 goto chip_diag_failed;
1426
1427 /* Check product ID of chip */
1428 ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1429
1430 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1431 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1432 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1433 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1434 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1435 mb[3] != PROD_ID_3) {
1436 ql_log(ql_log_warn, vha, 0x0062,
1437 "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1438 mb[1], mb[2], mb[3]);
1439
1440 goto chip_diag_failed;
1441 }
1442 ha->product_id[0] = mb[1];
1443 ha->product_id[1] = mb[2];
1444 ha->product_id[2] = mb[3];
1445 ha->product_id[3] = mb[4];
1446
1447 /* Adjust fw RISC transfer size */
1448 if (req->length > 1024)
1449 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1450 else
1451 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1452 req->length;
1453
1454 if (IS_QLA2200(ha) &&
1455 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1456 /* Limit firmware transfer size with a 2200A */
1457 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1458
1459 ha->device_type |= DT_ISP2200A;
1460 ha->fw_transfer_size = 128;
1461 }
1462
1463 /* Wrap Incoming Mailboxes Test. */
1464 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1465
1466 ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1467 rval = qla2x00_mbx_reg_test(vha);
1468 if (rval)
1469 ql_log(ql_log_warn, vha, 0x0080,
1470 "Failed mailbox send register test.\n");
1471 else
1472 /* Flag a successful rval */
1473 rval = QLA_SUCCESS;
1474 spin_lock_irqsave(&ha->hardware_lock, flags);
1475
1476 chip_diag_failed:
1477 if (rval)
1478 ql_log(ql_log_info, vha, 0x0081,
1479 "Chip diagnostics **** FAILED ****.\n");
1480
1481 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1482
1483 return (rval);
1484 }
1485
1486 /**
1487 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1488 * @ha: HA context
1489 *
1490 * Returns 0 on success.
1491 */
1492 int
1493 qla24xx_chip_diag(scsi_qla_host_t *vha)
1494 {
1495 int rval;
1496 struct qla_hw_data *ha = vha->hw;
1497 struct req_que *req = ha->req_q_map[0];
1498
1499 if (IS_P3P_TYPE(ha))
1500 return QLA_SUCCESS;
1501
1502 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1503
1504 rval = qla2x00_mbx_reg_test(vha);
1505 if (rval) {
1506 ql_log(ql_log_warn, vha, 0x0082,
1507 "Failed mailbox send register test.\n");
1508 } else {
1509 /* Flag a successful rval */
1510 rval = QLA_SUCCESS;
1511 }
1512
1513 return rval;
1514 }
1515
1516 void
1517 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1518 {
1519 int rval;
1520 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1521 eft_size, fce_size, mq_size;
1522 dma_addr_t tc_dma;
1523 void *tc;
1524 struct qla_hw_data *ha = vha->hw;
1525 struct req_que *req = ha->req_q_map[0];
1526 struct rsp_que *rsp = ha->rsp_q_map[0];
1527
1528 if (ha->fw_dump) {
1529 ql_dbg(ql_dbg_init, vha, 0x00bd,
1530 "Firmware dump already allocated.\n");
1531 return;
1532 }
1533
1534 ha->fw_dumped = 0;
1535 ha->fw_dump_cap_flags = 0;
1536 dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1537 req_q_size = rsp_q_size = 0;
1538
1539 if (IS_QLA27XX(ha))
1540 goto try_fce;
1541
1542 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1543 fixed_size = sizeof(struct qla2100_fw_dump);
1544 } else if (IS_QLA23XX(ha)) {
1545 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1546 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1547 sizeof(uint16_t);
1548 } else if (IS_FWI2_CAPABLE(ha)) {
1549 if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
1550 fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1551 else if (IS_QLA81XX(ha))
1552 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1553 else if (IS_QLA25XX(ha))
1554 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1555 else
1556 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1557
1558 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1559 sizeof(uint32_t);
1560 if (ha->mqenable) {
1561 if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1562 mq_size = sizeof(struct qla2xxx_mq_chain);
1563 /*
1564 * Allocate maximum buffer size for all queues.
1565 * Resizing must be done at end-of-dump processing.
1566 */
1567 mq_size += ha->max_req_queues *
1568 (req->length * sizeof(request_t));
1569 mq_size += ha->max_rsp_queues *
1570 (rsp->length * sizeof(response_t));
1571 }
1572 if (ha->tgt.atio_ring)
1573 mq_size += ha->tgt.atio_q_length * sizeof(request_t);
1574 /* Allocate memory for Fibre Channel Event Buffer. */
1575 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1576 !IS_QLA27XX(ha))
1577 goto try_eft;
1578
1579 try_fce:
1580 if (ha->fce)
1581 dma_free_coherent(&ha->pdev->dev,
1582 FCE_SIZE, ha->fce, ha->fce_dma);
1583
1584 /* Allocate memory for Fibre Channel Event Buffer. */
1585 tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1586 GFP_KERNEL);
1587 if (!tc) {
1588 ql_log(ql_log_warn, vha, 0x00be,
1589 "Unable to allocate (%d KB) for FCE.\n",
1590 FCE_SIZE / 1024);
1591 goto try_eft;
1592 }
1593
1594 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1595 ha->fce_mb, &ha->fce_bufs);
1596 if (rval) {
1597 ql_log(ql_log_warn, vha, 0x00bf,
1598 "Unable to initialize FCE (%d).\n", rval);
1599 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1600 tc_dma);
1601 ha->flags.fce_enabled = 0;
1602 goto try_eft;
1603 }
1604 ql_dbg(ql_dbg_init, vha, 0x00c0,
1605 "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1606
1607 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1608 ha->flags.fce_enabled = 1;
1609 ha->fce_dma = tc_dma;
1610 ha->fce = tc;
1611
1612 try_eft:
1613 if (ha->eft)
1614 dma_free_coherent(&ha->pdev->dev,
1615 EFT_SIZE, ha->eft, ha->eft_dma);
1616
1617 /* Allocate memory for Extended Trace Buffer. */
1618 tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1619 GFP_KERNEL);
1620 if (!tc) {
1621 ql_log(ql_log_warn, vha, 0x00c1,
1622 "Unable to allocate (%d KB) for EFT.\n",
1623 EFT_SIZE / 1024);
1624 goto cont_alloc;
1625 }
1626
1627 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1628 if (rval) {
1629 ql_log(ql_log_warn, vha, 0x00c2,
1630 "Unable to initialize EFT (%d).\n", rval);
1631 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1632 tc_dma);
1633 goto cont_alloc;
1634 }
1635 ql_dbg(ql_dbg_init, vha, 0x00c3,
1636 "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1637
1638 eft_size = EFT_SIZE;
1639 ha->eft_dma = tc_dma;
1640 ha->eft = tc;
1641 }
1642
1643 cont_alloc:
1644 if (IS_QLA27XX(ha)) {
1645 if (!ha->fw_dump_template) {
1646 ql_log(ql_log_warn, vha, 0x00ba,
1647 "Failed missing fwdump template\n");
1648 return;
1649 }
1650 dump_size = qla27xx_fwdt_calculate_dump_size(vha);
1651 ql_dbg(ql_dbg_init, vha, 0x00fa,
1652 "-> allocating fwdump (%x bytes)...\n", dump_size);
1653 goto allocate;
1654 }
1655
1656 req_q_size = req->length * sizeof(request_t);
1657 rsp_q_size = rsp->length * sizeof(response_t);
1658 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1659 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1660 ha->chain_offset = dump_size;
1661 dump_size += mq_size + fce_size;
1662
1663 allocate:
1664 ha->fw_dump = vmalloc(dump_size);
1665 if (!ha->fw_dump) {
1666 ql_log(ql_log_warn, vha, 0x00c4,
1667 "Unable to allocate (%d KB) for firmware dump.\n",
1668 dump_size / 1024);
1669
1670 if (ha->fce) {
1671 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1672 ha->fce_dma);
1673 ha->fce = NULL;
1674 ha->fce_dma = 0;
1675 }
1676
1677 if (ha->eft) {
1678 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1679 ha->eft_dma);
1680 ha->eft = NULL;
1681 ha->eft_dma = 0;
1682 }
1683 return;
1684 }
1685 ha->fw_dump_len = dump_size;
1686 ql_dbg(ql_dbg_init, vha, 0x00c5,
1687 "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1688
1689 if (IS_QLA27XX(ha))
1690 return;
1691
1692 ha->fw_dump->signature[0] = 'Q';
1693 ha->fw_dump->signature[1] = 'L';
1694 ha->fw_dump->signature[2] = 'G';
1695 ha->fw_dump->signature[3] = 'C';
1696 ha->fw_dump->version = htonl(1);
1697
1698 ha->fw_dump->fixed_size = htonl(fixed_size);
1699 ha->fw_dump->mem_size = htonl(mem_size);
1700 ha->fw_dump->req_q_size = htonl(req_q_size);
1701 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1702
1703 ha->fw_dump->eft_size = htonl(eft_size);
1704 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1705 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1706
1707 ha->fw_dump->header_size =
1708 htonl(offsetof(struct qla2xxx_fw_dump, isp));
1709 }
1710
1711 static int
1712 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1713 {
1714 #define MPS_MASK 0xe0
1715 int rval;
1716 uint16_t dc;
1717 uint32_t dw;
1718
1719 if (!IS_QLA81XX(vha->hw))
1720 return QLA_SUCCESS;
1721
1722 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1723 if (rval != QLA_SUCCESS) {
1724 ql_log(ql_log_warn, vha, 0x0105,
1725 "Unable to acquire semaphore.\n");
1726 goto done;
1727 }
1728
1729 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1730 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1731 if (rval != QLA_SUCCESS) {
1732 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1733 goto done_release;
1734 }
1735
1736 dc &= MPS_MASK;
1737 if (dc == (dw & MPS_MASK))
1738 goto done_release;
1739
1740 dw &= ~MPS_MASK;
1741 dw |= dc;
1742 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1743 if (rval != QLA_SUCCESS) {
1744 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1745 }
1746
1747 done_release:
1748 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1749 if (rval != QLA_SUCCESS) {
1750 ql_log(ql_log_warn, vha, 0x006d,
1751 "Unable to release semaphore.\n");
1752 }
1753
1754 done:
1755 return rval;
1756 }
1757
1758 int
1759 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
1760 {
1761 /* Don't try to reallocate the array */
1762 if (req->outstanding_cmds)
1763 return QLA_SUCCESS;
1764
1765 if (!IS_FWI2_CAPABLE(ha) || (ha->mqiobase &&
1766 (ql2xmultique_tag || ql2xmaxqueues > 1)))
1767 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
1768 else {
1769 if (ha->fw_xcb_count <= ha->fw_iocb_count)
1770 req->num_outstanding_cmds = ha->fw_xcb_count;
1771 else
1772 req->num_outstanding_cmds = ha->fw_iocb_count;
1773 }
1774
1775 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1776 req->num_outstanding_cmds, GFP_KERNEL);
1777
1778 if (!req->outstanding_cmds) {
1779 /*
1780 * Try to allocate a minimal size just so we can get through
1781 * initialization.
1782 */
1783 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
1784 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1785 req->num_outstanding_cmds, GFP_KERNEL);
1786
1787 if (!req->outstanding_cmds) {
1788 ql_log(ql_log_fatal, NULL, 0x0126,
1789 "Failed to allocate memory for "
1790 "outstanding_cmds for req_que %p.\n", req);
1791 req->num_outstanding_cmds = 0;
1792 return QLA_FUNCTION_FAILED;
1793 }
1794 }
1795
1796 return QLA_SUCCESS;
1797 }
1798
1799 /**
1800 * qla2x00_setup_chip() - Load and start RISC firmware.
1801 * @ha: HA context
1802 *
1803 * Returns 0 on success.
1804 */
1805 static int
1806 qla2x00_setup_chip(scsi_qla_host_t *vha)
1807 {
1808 int rval;
1809 uint32_t srisc_address = 0;
1810 struct qla_hw_data *ha = vha->hw;
1811 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1812 unsigned long flags;
1813 uint16_t fw_major_version;
1814
1815 if (IS_P3P_TYPE(ha)) {
1816 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1817 if (rval == QLA_SUCCESS) {
1818 qla2x00_stop_firmware(vha);
1819 goto enable_82xx_npiv;
1820 } else
1821 goto failed;
1822 }
1823
1824 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1825 /* Disable SRAM, Instruction RAM and GP RAM parity. */
1826 spin_lock_irqsave(&ha->hardware_lock, flags);
1827 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1828 RD_REG_WORD(&reg->hccr);
1829 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1830 }
1831
1832 qla81xx_mpi_sync(vha);
1833
1834 /* Load firmware sequences */
1835 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1836 if (rval == QLA_SUCCESS) {
1837 ql_dbg(ql_dbg_init, vha, 0x00c9,
1838 "Verifying Checksum of loaded RISC code.\n");
1839
1840 rval = qla2x00_verify_checksum(vha, srisc_address);
1841 if (rval == QLA_SUCCESS) {
1842 /* Start firmware execution. */
1843 ql_dbg(ql_dbg_init, vha, 0x00ca,
1844 "Starting firmware.\n");
1845
1846 rval = qla2x00_execute_fw(vha, srisc_address);
1847 /* Retrieve firmware information. */
1848 if (rval == QLA_SUCCESS) {
1849 enable_82xx_npiv:
1850 fw_major_version = ha->fw_major_version;
1851 if (IS_P3P_TYPE(ha))
1852 qla82xx_check_md_needed(vha);
1853 else
1854 rval = qla2x00_get_fw_version(vha);
1855 if (rval != QLA_SUCCESS)
1856 goto failed;
1857 ha->flags.npiv_supported = 0;
1858 if (IS_QLA2XXX_MIDTYPE(ha) &&
1859 (ha->fw_attributes & BIT_2)) {
1860 ha->flags.npiv_supported = 1;
1861 if ((!ha->max_npiv_vports) ||
1862 ((ha->max_npiv_vports + 1) %
1863 MIN_MULTI_ID_FABRIC))
1864 ha->max_npiv_vports =
1865 MIN_MULTI_ID_FABRIC - 1;
1866 }
1867 qla2x00_get_resource_cnts(vha, NULL,
1868 &ha->fw_xcb_count, NULL, &ha->fw_iocb_count,
1869 &ha->max_npiv_vports, NULL);
1870
1871 /*
1872 * Allocate the array of outstanding commands
1873 * now that we know the firmware resources.
1874 */
1875 rval = qla2x00_alloc_outstanding_cmds(ha,
1876 vha->req);
1877 if (rval != QLA_SUCCESS)
1878 goto failed;
1879
1880 if (!fw_major_version && ql2xallocfwdump
1881 && !(IS_P3P_TYPE(ha)))
1882 qla2x00_alloc_fw_dump(vha);
1883 } else {
1884 goto failed;
1885 }
1886 } else {
1887 ql_log(ql_log_fatal, vha, 0x00cd,
1888 "ISP Firmware failed checksum.\n");
1889 goto failed;
1890 }
1891 } else
1892 goto failed;
1893
1894 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1895 /* Enable proper parity. */
1896 spin_lock_irqsave(&ha->hardware_lock, flags);
1897 if (IS_QLA2300(ha))
1898 /* SRAM parity */
1899 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1900 else
1901 /* SRAM, Instruction RAM and GP RAM parity */
1902 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1903 RD_REG_WORD(&reg->hccr);
1904 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1905 }
1906
1907 if (IS_QLA27XX(ha))
1908 ha->flags.fac_supported = 1;
1909 else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1910 uint32_t size;
1911
1912 rval = qla81xx_fac_get_sector_size(vha, &size);
1913 if (rval == QLA_SUCCESS) {
1914 ha->flags.fac_supported = 1;
1915 ha->fdt_block_size = size << 2;
1916 } else {
1917 ql_log(ql_log_warn, vha, 0x00ce,
1918 "Unsupported FAC firmware (%d.%02d.%02d).\n",
1919 ha->fw_major_version, ha->fw_minor_version,
1920 ha->fw_subminor_version);
1921
1922 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
1923 ha->flags.fac_supported = 0;
1924 rval = QLA_SUCCESS;
1925 }
1926 }
1927 }
1928 failed:
1929 if (rval) {
1930 ql_log(ql_log_fatal, vha, 0x00cf,
1931 "Setup chip ****FAILED****.\n");
1932 }
1933
1934 return (rval);
1935 }
1936
1937 /**
1938 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1939 * @ha: HA context
1940 *
1941 * Beginning of request ring has initialization control block already built
1942 * by nvram config routine.
1943 *
1944 * Returns 0 on success.
1945 */
1946 void
1947 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1948 {
1949 uint16_t cnt;
1950 response_t *pkt;
1951
1952 rsp->ring_ptr = rsp->ring;
1953 rsp->ring_index = 0;
1954 rsp->status_srb = NULL;
1955 pkt = rsp->ring_ptr;
1956 for (cnt = 0; cnt < rsp->length; cnt++) {
1957 pkt->signature = RESPONSE_PROCESSED;
1958 pkt++;
1959 }
1960 }
1961
1962 /**
1963 * qla2x00_update_fw_options() - Read and process firmware options.
1964 * @ha: HA context
1965 *
1966 * Returns 0 on success.
1967 */
1968 void
1969 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1970 {
1971 uint16_t swing, emphasis, tx_sens, rx_sens;
1972 struct qla_hw_data *ha = vha->hw;
1973
1974 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1975 qla2x00_get_fw_options(vha, ha->fw_options);
1976
1977 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1978 return;
1979
1980 /* Serial Link options. */
1981 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1982 "Serial link options.\n");
1983 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1984 (uint8_t *)&ha->fw_seriallink_options,
1985 sizeof(ha->fw_seriallink_options));
1986
1987 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1988 if (ha->fw_seriallink_options[3] & BIT_2) {
1989 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1990
1991 /* 1G settings */
1992 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1993 emphasis = (ha->fw_seriallink_options[2] &
1994 (BIT_4 | BIT_3)) >> 3;
1995 tx_sens = ha->fw_seriallink_options[0] &
1996 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1997 rx_sens = (ha->fw_seriallink_options[0] &
1998 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1999 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
2000 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2001 if (rx_sens == 0x0)
2002 rx_sens = 0x3;
2003 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
2004 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2005 ha->fw_options[10] |= BIT_5 |
2006 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2007 (tx_sens & (BIT_1 | BIT_0));
2008
2009 /* 2G settings */
2010 swing = (ha->fw_seriallink_options[2] &
2011 (BIT_7 | BIT_6 | BIT_5)) >> 5;
2012 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
2013 tx_sens = ha->fw_seriallink_options[1] &
2014 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2015 rx_sens = (ha->fw_seriallink_options[1] &
2016 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
2017 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
2018 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2019 if (rx_sens == 0x0)
2020 rx_sens = 0x3;
2021 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
2022 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2023 ha->fw_options[11] |= BIT_5 |
2024 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2025 (tx_sens & (BIT_1 | BIT_0));
2026 }
2027
2028 /* FCP2 options. */
2029 /* Return command IOCBs without waiting for an ABTS to complete. */
2030 ha->fw_options[3] |= BIT_13;
2031
2032 /* LED scheme. */
2033 if (ha->flags.enable_led_scheme)
2034 ha->fw_options[2] |= BIT_12;
2035
2036 /* Detect ISP6312. */
2037 if (IS_QLA6312(ha))
2038 ha->fw_options[2] |= BIT_13;
2039
2040 /* Update firmware options. */
2041 qla2x00_set_fw_options(vha, ha->fw_options);
2042 }
2043
2044 void
2045 qla24xx_update_fw_options(scsi_qla_host_t *vha)
2046 {
2047 int rval;
2048 struct qla_hw_data *ha = vha->hw;
2049
2050 if (IS_P3P_TYPE(ha))
2051 return;
2052
2053 /* Update Serial Link options. */
2054 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
2055 return;
2056
2057 rval = qla2x00_set_serdes_params(vha,
2058 le16_to_cpu(ha->fw_seriallink_options24[1]),
2059 le16_to_cpu(ha->fw_seriallink_options24[2]),
2060 le16_to_cpu(ha->fw_seriallink_options24[3]));
2061 if (rval != QLA_SUCCESS) {
2062 ql_log(ql_log_warn, vha, 0x0104,
2063 "Unable to update Serial Link options (%x).\n", rval);
2064 }
2065 }
2066
2067 void
2068 qla2x00_config_rings(struct scsi_qla_host *vha)
2069 {
2070 struct qla_hw_data *ha = vha->hw;
2071 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2072 struct req_que *req = ha->req_q_map[0];
2073 struct rsp_que *rsp = ha->rsp_q_map[0];
2074
2075 /* Setup ring parameters in initialization control block. */
2076 ha->init_cb->request_q_outpointer = cpu_to_le16(0);
2077 ha->init_cb->response_q_inpointer = cpu_to_le16(0);
2078 ha->init_cb->request_q_length = cpu_to_le16(req->length);
2079 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
2080 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2081 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2082 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2083 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2084
2085 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
2086 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
2087 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
2088 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
2089 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
2090 }
2091
2092 void
2093 qla24xx_config_rings(struct scsi_qla_host *vha)
2094 {
2095 struct qla_hw_data *ha = vha->hw;
2096 device_reg_t *reg = ISP_QUE_REG(ha, 0);
2097 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
2098 struct qla_msix_entry *msix;
2099 struct init_cb_24xx *icb;
2100 uint16_t rid = 0;
2101 struct req_que *req = ha->req_q_map[0];
2102 struct rsp_que *rsp = ha->rsp_q_map[0];
2103
2104 /* Setup ring parameters in initialization control block. */
2105 icb = (struct init_cb_24xx *)ha->init_cb;
2106 icb->request_q_outpointer = cpu_to_le16(0);
2107 icb->response_q_inpointer = cpu_to_le16(0);
2108 icb->request_q_length = cpu_to_le16(req->length);
2109 icb->response_q_length = cpu_to_le16(rsp->length);
2110 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2111 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2112 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2113 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2114
2115 /* Setup ATIO queue dma pointers for target mode */
2116 icb->atio_q_inpointer = cpu_to_le16(0);
2117 icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
2118 icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
2119 icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
2120
2121 if (IS_SHADOW_REG_CAPABLE(ha))
2122 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
2123
2124 if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2125 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
2126 icb->rid = cpu_to_le16(rid);
2127 if (ha->flags.msix_enabled) {
2128 msix = &ha->msix_entries[1];
2129 ql_dbg(ql_dbg_init, vha, 0x00fd,
2130 "Registering vector 0x%x for base que.\n",
2131 msix->entry);
2132 icb->msix = cpu_to_le16(msix->entry);
2133 }
2134 /* Use alternate PCI bus number */
2135 if (MSB(rid))
2136 icb->firmware_options_2 |= cpu_to_le32(BIT_19);
2137 /* Use alternate PCI devfn */
2138 if (LSB(rid))
2139 icb->firmware_options_2 |= cpu_to_le32(BIT_18);
2140
2141 /* Use Disable MSIX Handshake mode for capable adapters */
2142 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
2143 (ha->flags.msix_enabled)) {
2144 icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
2145 ha->flags.disable_msix_handshake = 1;
2146 ql_dbg(ql_dbg_init, vha, 0x00fe,
2147 "MSIX Handshake Disable Mode turned on.\n");
2148 } else {
2149 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
2150 }
2151 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
2152
2153 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
2154 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
2155 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
2156 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
2157 } else {
2158 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
2159 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
2160 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
2161 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
2162 }
2163 qlt_24xx_config_rings(vha);
2164
2165 /* PCI posting */
2166 RD_REG_DWORD(&ioreg->hccr);
2167 }
2168
2169 /**
2170 * qla2x00_init_rings() - Initializes firmware.
2171 * @ha: HA context
2172 *
2173 * Beginning of request ring has initialization control block already built
2174 * by nvram config routine.
2175 *
2176 * Returns 0 on success.
2177 */
2178 int
2179 qla2x00_init_rings(scsi_qla_host_t *vha)
2180 {
2181 int rval;
2182 unsigned long flags = 0;
2183 int cnt, que;
2184 struct qla_hw_data *ha = vha->hw;
2185 struct req_que *req;
2186 struct rsp_que *rsp;
2187 struct mid_init_cb_24xx *mid_init_cb =
2188 (struct mid_init_cb_24xx *) ha->init_cb;
2189
2190 spin_lock_irqsave(&ha->hardware_lock, flags);
2191
2192 /* Clear outstanding commands array. */
2193 for (que = 0; que < ha->max_req_queues; que++) {
2194 req = ha->req_q_map[que];
2195 if (!req)
2196 continue;
2197 req->out_ptr = (void *)(req->ring + req->length);
2198 *req->out_ptr = 0;
2199 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2200 req->outstanding_cmds[cnt] = NULL;
2201
2202 req->current_outstanding_cmd = 1;
2203
2204 /* Initialize firmware. */
2205 req->ring_ptr = req->ring;
2206 req->ring_index = 0;
2207 req->cnt = req->length;
2208 }
2209
2210 for (que = 0; que < ha->max_rsp_queues; que++) {
2211 rsp = ha->rsp_q_map[que];
2212 if (!rsp)
2213 continue;
2214 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
2215 *rsp->in_ptr = 0;
2216 /* Initialize response queue entries */
2217 if (IS_QLAFX00(ha))
2218 qlafx00_init_response_q_entries(rsp);
2219 else
2220 qla2x00_init_response_q_entries(rsp);
2221 }
2222
2223 ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2224 ha->tgt.atio_ring_index = 0;
2225 /* Initialize ATIO queue entries */
2226 qlt_init_atio_q_entries(vha);
2227
2228 ha->isp_ops->config_rings(vha);
2229
2230 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2231
2232 ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2233
2234 if (IS_QLAFX00(ha)) {
2235 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
2236 goto next_check;
2237 }
2238
2239 /* Update any ISP specific firmware options before initialization. */
2240 ha->isp_ops->update_fw_options(vha);
2241
2242 if (ha->flags.npiv_supported) {
2243 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2244 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2245 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2246 }
2247
2248 if (IS_FWI2_CAPABLE(ha)) {
2249 mid_init_cb->options = cpu_to_le16(BIT_1);
2250 mid_init_cb->init_cb.execution_throttle =
2251 cpu_to_le16(ha->fw_xcb_count);
2252 /* D-Port Status */
2253 if (IS_DPORT_CAPABLE(ha))
2254 mid_init_cb->init_cb.firmware_options_1 |=
2255 cpu_to_le16(BIT_7);
2256 /* Enable FA-WWPN */
2257 ha->flags.fawwpn_enabled =
2258 (mid_init_cb->init_cb.firmware_options_1 & BIT_6) ? 1 : 0;
2259 ql_dbg(ql_dbg_init, vha, 0x0141, "FA-WWPN Support: %s.\n",
2260 (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
2261 }
2262
2263 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2264 next_check:
2265 if (rval) {
2266 ql_log(ql_log_fatal, vha, 0x00d2,
2267 "Init Firmware **** FAILED ****.\n");
2268 } else {
2269 ql_dbg(ql_dbg_init, vha, 0x00d3,
2270 "Init Firmware -- success.\n");
2271 }
2272
2273 return (rval);
2274 }
2275
2276 /**
2277 * qla2x00_fw_ready() - Waits for firmware ready.
2278 * @ha: HA context
2279 *
2280 * Returns 0 on success.
2281 */
2282 static int
2283 qla2x00_fw_ready(scsi_qla_host_t *vha)
2284 {
2285 int rval;
2286 unsigned long wtime, mtime, cs84xx_time;
2287 uint16_t min_wait; /* Minimum wait time if loop is down */
2288 uint16_t wait_time; /* Wait time if loop is coming ready */
2289 uint16_t state[6];
2290 struct qla_hw_data *ha = vha->hw;
2291
2292 if (IS_QLAFX00(vha->hw))
2293 return qlafx00_fw_ready(vha);
2294
2295 rval = QLA_SUCCESS;
2296
2297 /* Time to wait for loop down */
2298 if (IS_P3P_TYPE(ha))
2299 min_wait = 30;
2300 else
2301 min_wait = 20;
2302
2303 /*
2304 * Firmware should take at most one RATOV to login, plus 5 seconds for
2305 * our own processing.
2306 */
2307 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2308 wait_time = min_wait;
2309 }
2310
2311 /* Min wait time if loop down */
2312 mtime = jiffies + (min_wait * HZ);
2313
2314 /* wait time before firmware ready */
2315 wtime = jiffies + (wait_time * HZ);
2316
2317 /* Wait for ISP to finish LIP */
2318 if (!vha->flags.init_done)
2319 ql_log(ql_log_info, vha, 0x801e,
2320 "Waiting for LIP to complete.\n");
2321
2322 do {
2323 memset(state, -1, sizeof(state));
2324 rval = qla2x00_get_firmware_state(vha, state);
2325 if (rval == QLA_SUCCESS) {
2326 if (state[0] < FSTATE_LOSS_OF_SYNC) {
2327 vha->device_flags &= ~DFLG_NO_CABLE;
2328 }
2329 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2330 ql_dbg(ql_dbg_taskm, vha, 0x801f,
2331 "fw_state=%x 84xx=%x.\n", state[0],
2332 state[2]);
2333 if ((state[2] & FSTATE_LOGGED_IN) &&
2334 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2335 ql_dbg(ql_dbg_taskm, vha, 0x8028,
2336 "Sending verify iocb.\n");
2337
2338 cs84xx_time = jiffies;
2339 rval = qla84xx_init_chip(vha);
2340 if (rval != QLA_SUCCESS) {
2341 ql_log(ql_log_warn,
2342 vha, 0x8007,
2343 "Init chip failed.\n");
2344 break;
2345 }
2346
2347 /* Add time taken to initialize. */
2348 cs84xx_time = jiffies - cs84xx_time;
2349 wtime += cs84xx_time;
2350 mtime += cs84xx_time;
2351 ql_dbg(ql_dbg_taskm, vha, 0x8008,
2352 "Increasing wait time by %ld. "
2353 "New time %ld.\n", cs84xx_time,
2354 wtime);
2355 }
2356 } else if (state[0] == FSTATE_READY) {
2357 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2358 "F/W Ready - OK.\n");
2359
2360 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2361 &ha->login_timeout, &ha->r_a_tov);
2362
2363 rval = QLA_SUCCESS;
2364 break;
2365 }
2366
2367 rval = QLA_FUNCTION_FAILED;
2368
2369 if (atomic_read(&vha->loop_down_timer) &&
2370 state[0] != FSTATE_READY) {
2371 /* Loop down. Timeout on min_wait for states
2372 * other than Wait for Login.
2373 */
2374 if (time_after_eq(jiffies, mtime)) {
2375 ql_log(ql_log_info, vha, 0x8038,
2376 "Cable is unplugged...\n");
2377
2378 vha->device_flags |= DFLG_NO_CABLE;
2379 break;
2380 }
2381 }
2382 } else {
2383 /* Mailbox cmd failed. Timeout on min_wait. */
2384 if (time_after_eq(jiffies, mtime) ||
2385 ha->flags.isp82xx_fw_hung)
2386 break;
2387 }
2388
2389 if (time_after_eq(jiffies, wtime))
2390 break;
2391
2392 /* Delay for a while */
2393 msleep(500);
2394 } while (1);
2395
2396 ql_dbg(ql_dbg_taskm, vha, 0x803a,
2397 "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
2398 state[1], state[2], state[3], state[4], state[5], jiffies);
2399
2400 if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2401 ql_log(ql_log_warn, vha, 0x803b,
2402 "Firmware ready **** FAILED ****.\n");
2403 }
2404
2405 return (rval);
2406 }
2407
2408 /*
2409 * qla2x00_configure_hba
2410 * Setup adapter context.
2411 *
2412 * Input:
2413 * ha = adapter state pointer.
2414 *
2415 * Returns:
2416 * 0 = success
2417 *
2418 * Context:
2419 * Kernel context.
2420 */
2421 static int
2422 qla2x00_configure_hba(scsi_qla_host_t *vha)
2423 {
2424 int rval;
2425 uint16_t loop_id;
2426 uint16_t topo;
2427 uint16_t sw_cap;
2428 uint8_t al_pa;
2429 uint8_t area;
2430 uint8_t domain;
2431 char connect_type[22];
2432 struct qla_hw_data *ha = vha->hw;
2433 unsigned long flags;
2434 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2435
2436 /* Get host addresses. */
2437 rval = qla2x00_get_adapter_id(vha,
2438 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2439 if (rval != QLA_SUCCESS) {
2440 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2441 IS_CNA_CAPABLE(ha) ||
2442 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2443 ql_dbg(ql_dbg_disc, vha, 0x2008,
2444 "Loop is in a transition state.\n");
2445 } else {
2446 ql_log(ql_log_warn, vha, 0x2009,
2447 "Unable to get host loop ID.\n");
2448 if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2449 (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2450 ql_log(ql_log_warn, vha, 0x1151,
2451 "Doing link init.\n");
2452 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2453 return rval;
2454 }
2455 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2456 }
2457 return (rval);
2458 }
2459
2460 if (topo == 4) {
2461 ql_log(ql_log_info, vha, 0x200a,
2462 "Cannot get topology - retrying.\n");
2463 return (QLA_FUNCTION_FAILED);
2464 }
2465
2466 vha->loop_id = loop_id;
2467
2468 /* initialize */
2469 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2470 ha->operating_mode = LOOP;
2471 ha->switch_cap = 0;
2472
2473 switch (topo) {
2474 case 0:
2475 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2476 ha->current_topology = ISP_CFG_NL;
2477 strcpy(connect_type, "(Loop)");
2478 break;
2479
2480 case 1:
2481 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2482 ha->switch_cap = sw_cap;
2483 ha->current_topology = ISP_CFG_FL;
2484 strcpy(connect_type, "(FL_Port)");
2485 break;
2486
2487 case 2:
2488 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2489 ha->operating_mode = P2P;
2490 ha->current_topology = ISP_CFG_N;
2491 strcpy(connect_type, "(N_Port-to-N_Port)");
2492 break;
2493
2494 case 3:
2495 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2496 ha->switch_cap = sw_cap;
2497 ha->operating_mode = P2P;
2498 ha->current_topology = ISP_CFG_F;
2499 strcpy(connect_type, "(F_Port)");
2500 break;
2501
2502 default:
2503 ql_dbg(ql_dbg_disc, vha, 0x200f,
2504 "HBA in unknown topology %x, using NL.\n", topo);
2505 ha->current_topology = ISP_CFG_NL;
2506 strcpy(connect_type, "(Loop)");
2507 break;
2508 }
2509
2510 /* Save Host port and loop ID. */
2511 /* byte order - Big Endian */
2512 vha->d_id.b.domain = domain;
2513 vha->d_id.b.area = area;
2514 vha->d_id.b.al_pa = al_pa;
2515
2516 spin_lock_irqsave(&ha->vport_slock, flags);
2517 qlt_update_vp_map(vha, SET_AL_PA);
2518 spin_unlock_irqrestore(&ha->vport_slock, flags);
2519
2520 if (!vha->flags.init_done)
2521 ql_log(ql_log_info, vha, 0x2010,
2522 "Topology - %s, Host Loop address 0x%x.\n",
2523 connect_type, vha->loop_id);
2524
2525 return(rval);
2526 }
2527
2528 inline void
2529 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2530 char *def)
2531 {
2532 char *st, *en;
2533 uint16_t index;
2534 struct qla_hw_data *ha = vha->hw;
2535 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2536 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2537
2538 if (memcmp(model, BINZERO, len) != 0) {
2539 strncpy(ha->model_number, model, len);
2540 st = en = ha->model_number;
2541 en += len - 1;
2542 while (en > st) {
2543 if (*en != 0x20 && *en != 0x00)
2544 break;
2545 *en-- = '\0';
2546 }
2547
2548 index = (ha->pdev->subsystem_device & 0xff);
2549 if (use_tbl &&
2550 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2551 index < QLA_MODEL_NAMES)
2552 strncpy(ha->model_desc,
2553 qla2x00_model_name[index * 2 + 1],
2554 sizeof(ha->model_desc) - 1);
2555 } else {
2556 index = (ha->pdev->subsystem_device & 0xff);
2557 if (use_tbl &&
2558 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2559 index < QLA_MODEL_NAMES) {
2560 strcpy(ha->model_number,
2561 qla2x00_model_name[index * 2]);
2562 strncpy(ha->model_desc,
2563 qla2x00_model_name[index * 2 + 1],
2564 sizeof(ha->model_desc) - 1);
2565 } else {
2566 strcpy(ha->model_number, def);
2567 }
2568 }
2569 if (IS_FWI2_CAPABLE(ha))
2570 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2571 sizeof(ha->model_desc));
2572 }
2573
2574 /* On sparc systems, obtain port and node WWN from firmware
2575 * properties.
2576 */
2577 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2578 {
2579 #ifdef CONFIG_SPARC
2580 struct qla_hw_data *ha = vha->hw;
2581 struct pci_dev *pdev = ha->pdev;
2582 struct device_node *dp = pci_device_to_OF_node(pdev);
2583 const u8 *val;
2584 int len;
2585
2586 val = of_get_property(dp, "port-wwn", &len);
2587 if (val && len >= WWN_SIZE)
2588 memcpy(nv->port_name, val, WWN_SIZE);
2589
2590 val = of_get_property(dp, "node-wwn", &len);
2591 if (val && len >= WWN_SIZE)
2592 memcpy(nv->node_name, val, WWN_SIZE);
2593 #endif
2594 }
2595
2596 /*
2597 * NVRAM configuration for ISP 2xxx
2598 *
2599 * Input:
2600 * ha = adapter block pointer.
2601 *
2602 * Output:
2603 * initialization control block in response_ring
2604 * host adapters parameters in host adapter block
2605 *
2606 * Returns:
2607 * 0 = success.
2608 */
2609 int
2610 qla2x00_nvram_config(scsi_qla_host_t *vha)
2611 {
2612 int rval;
2613 uint8_t chksum = 0;
2614 uint16_t cnt;
2615 uint8_t *dptr1, *dptr2;
2616 struct qla_hw_data *ha = vha->hw;
2617 init_cb_t *icb = ha->init_cb;
2618 nvram_t *nv = ha->nvram;
2619 uint8_t *ptr = ha->nvram;
2620 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2621
2622 rval = QLA_SUCCESS;
2623
2624 /* Determine NVRAM starting address. */
2625 ha->nvram_size = sizeof(nvram_t);
2626 ha->nvram_base = 0;
2627 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2628 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2629 ha->nvram_base = 0x80;
2630
2631 /* Get NVRAM data and calculate checksum. */
2632 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2633 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2634 chksum += *ptr++;
2635
2636 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2637 "Contents of NVRAM.\n");
2638 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2639 (uint8_t *)nv, ha->nvram_size);
2640
2641 /* Bad NVRAM data, set defaults parameters. */
2642 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2643 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2644 /* Reset NVRAM data. */
2645 ql_log(ql_log_warn, vha, 0x0064,
2646 "Inconsistent NVRAM "
2647 "detected: checksum=0x%x id=%c version=0x%x.\n",
2648 chksum, nv->id[0], nv->nvram_version);
2649 ql_log(ql_log_warn, vha, 0x0065,
2650 "Falling back to "
2651 "functioning (yet invalid -- WWPN) defaults.\n");
2652
2653 /*
2654 * Set default initialization control block.
2655 */
2656 memset(nv, 0, ha->nvram_size);
2657 nv->parameter_block_version = ICB_VERSION;
2658
2659 if (IS_QLA23XX(ha)) {
2660 nv->firmware_options[0] = BIT_2 | BIT_1;
2661 nv->firmware_options[1] = BIT_7 | BIT_5;
2662 nv->add_firmware_options[0] = BIT_5;
2663 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2664 nv->frame_payload_size = 2048;
2665 nv->special_options[1] = BIT_7;
2666 } else if (IS_QLA2200(ha)) {
2667 nv->firmware_options[0] = BIT_2 | BIT_1;
2668 nv->firmware_options[1] = BIT_7 | BIT_5;
2669 nv->add_firmware_options[0] = BIT_5;
2670 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2671 nv->frame_payload_size = 1024;
2672 } else if (IS_QLA2100(ha)) {
2673 nv->firmware_options[0] = BIT_3 | BIT_1;
2674 nv->firmware_options[1] = BIT_5;
2675 nv->frame_payload_size = 1024;
2676 }
2677
2678 nv->max_iocb_allocation = cpu_to_le16(256);
2679 nv->execution_throttle = cpu_to_le16(16);
2680 nv->retry_count = 8;
2681 nv->retry_delay = 1;
2682
2683 nv->port_name[0] = 33;
2684 nv->port_name[3] = 224;
2685 nv->port_name[4] = 139;
2686
2687 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2688
2689 nv->login_timeout = 4;
2690
2691 /*
2692 * Set default host adapter parameters
2693 */
2694 nv->host_p[1] = BIT_2;
2695 nv->reset_delay = 5;
2696 nv->port_down_retry_count = 8;
2697 nv->max_luns_per_target = cpu_to_le16(8);
2698 nv->link_down_timeout = 60;
2699
2700 rval = 1;
2701 }
2702
2703 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2704 /*
2705 * The SN2 does not provide BIOS emulation which means you can't change
2706 * potentially bogus BIOS settings. Force the use of default settings
2707 * for link rate and frame size. Hope that the rest of the settings
2708 * are valid.
2709 */
2710 if (ia64_platform_is("sn2")) {
2711 nv->frame_payload_size = 2048;
2712 if (IS_QLA23XX(ha))
2713 nv->special_options[1] = BIT_7;
2714 }
2715 #endif
2716
2717 /* Reset Initialization control block */
2718 memset(icb, 0, ha->init_cb_size);
2719
2720 /*
2721 * Setup driver NVRAM options.
2722 */
2723 nv->firmware_options[0] |= (BIT_6 | BIT_1);
2724 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2725 nv->firmware_options[1] |= (BIT_5 | BIT_0);
2726 nv->firmware_options[1] &= ~BIT_4;
2727
2728 if (IS_QLA23XX(ha)) {
2729 nv->firmware_options[0] |= BIT_2;
2730 nv->firmware_options[0] &= ~BIT_3;
2731 nv->special_options[0] &= ~BIT_6;
2732 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2733
2734 if (IS_QLA2300(ha)) {
2735 if (ha->fb_rev == FPM_2310) {
2736 strcpy(ha->model_number, "QLA2310");
2737 } else {
2738 strcpy(ha->model_number, "QLA2300");
2739 }
2740 } else {
2741 qla2x00_set_model_info(vha, nv->model_number,
2742 sizeof(nv->model_number), "QLA23xx");
2743 }
2744 } else if (IS_QLA2200(ha)) {
2745 nv->firmware_options[0] |= BIT_2;
2746 /*
2747 * 'Point-to-point preferred, else loop' is not a safe
2748 * connection mode setting.
2749 */
2750 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2751 (BIT_5 | BIT_4)) {
2752 /* Force 'loop preferred, else point-to-point'. */
2753 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2754 nv->add_firmware_options[0] |= BIT_5;
2755 }
2756 strcpy(ha->model_number, "QLA22xx");
2757 } else /*if (IS_QLA2100(ha))*/ {
2758 strcpy(ha->model_number, "QLA2100");
2759 }
2760
2761 /*
2762 * Copy over NVRAM RISC parameter block to initialization control block.
2763 */
2764 dptr1 = (uint8_t *)icb;
2765 dptr2 = (uint8_t *)&nv->parameter_block_version;
2766 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2767 while (cnt--)
2768 *dptr1++ = *dptr2++;
2769
2770 /* Copy 2nd half. */
2771 dptr1 = (uint8_t *)icb->add_firmware_options;
2772 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2773 while (cnt--)
2774 *dptr1++ = *dptr2++;
2775
2776 /* Use alternate WWN? */
2777 if (nv->host_p[1] & BIT_7) {
2778 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2779 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2780 }
2781
2782 /* Prepare nodename */
2783 if ((icb->firmware_options[1] & BIT_6) == 0) {
2784 /*
2785 * Firmware will apply the following mask if the nodename was
2786 * not provided.
2787 */
2788 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2789 icb->node_name[0] &= 0xF0;
2790 }
2791
2792 /*
2793 * Set host adapter parameters.
2794 */
2795
2796 /*
2797 * BIT_7 in the host-parameters section allows for modification to
2798 * internal driver logging.
2799 */
2800 if (nv->host_p[0] & BIT_7)
2801 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2802 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2803 /* Always load RISC code on non ISP2[12]00 chips. */
2804 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2805 ha->flags.disable_risc_code_load = 0;
2806 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2807 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2808 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2809 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2810 ha->flags.disable_serdes = 0;
2811
2812 ha->operating_mode =
2813 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2814
2815 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2816 sizeof(ha->fw_seriallink_options));
2817
2818 /* save HBA serial number */
2819 ha->serial0 = icb->port_name[5];
2820 ha->serial1 = icb->port_name[6];
2821 ha->serial2 = icb->port_name[7];
2822 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2823 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2824
2825 icb->execution_throttle = cpu_to_le16(0xFFFF);
2826
2827 ha->retry_count = nv->retry_count;
2828
2829 /* Set minimum login_timeout to 4 seconds. */
2830 if (nv->login_timeout != ql2xlogintimeout)
2831 nv->login_timeout = ql2xlogintimeout;
2832 if (nv->login_timeout < 4)
2833 nv->login_timeout = 4;
2834 ha->login_timeout = nv->login_timeout;
2835 icb->login_timeout = nv->login_timeout;
2836
2837 /* Set minimum RATOV to 100 tenths of a second. */
2838 ha->r_a_tov = 100;
2839
2840 ha->loop_reset_delay = nv->reset_delay;
2841
2842 /* Link Down Timeout = 0:
2843 *
2844 * When Port Down timer expires we will start returning
2845 * I/O's to OS with "DID_NO_CONNECT".
2846 *
2847 * Link Down Timeout != 0:
2848 *
2849 * The driver waits for the link to come up after link down
2850 * before returning I/Os to OS with "DID_NO_CONNECT".
2851 */
2852 if (nv->link_down_timeout == 0) {
2853 ha->loop_down_abort_time =
2854 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2855 } else {
2856 ha->link_down_timeout = nv->link_down_timeout;
2857 ha->loop_down_abort_time =
2858 (LOOP_DOWN_TIME - ha->link_down_timeout);
2859 }
2860
2861 /*
2862 * Need enough time to try and get the port back.
2863 */
2864 ha->port_down_retry_count = nv->port_down_retry_count;
2865 if (qlport_down_retry)
2866 ha->port_down_retry_count = qlport_down_retry;
2867 /* Set login_retry_count */
2868 ha->login_retry_count = nv->retry_count;
2869 if (ha->port_down_retry_count == nv->port_down_retry_count &&
2870 ha->port_down_retry_count > 3)
2871 ha->login_retry_count = ha->port_down_retry_count;
2872 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2873 ha->login_retry_count = ha->port_down_retry_count;
2874 if (ql2xloginretrycount)
2875 ha->login_retry_count = ql2xloginretrycount;
2876
2877 icb->lun_enables = cpu_to_le16(0);
2878 icb->command_resource_count = 0;
2879 icb->immediate_notify_resource_count = 0;
2880 icb->timeout = cpu_to_le16(0);
2881
2882 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2883 /* Enable RIO */
2884 icb->firmware_options[0] &= ~BIT_3;
2885 icb->add_firmware_options[0] &=
2886 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2887 icb->add_firmware_options[0] |= BIT_2;
2888 icb->response_accumulation_timer = 3;
2889 icb->interrupt_delay_timer = 5;
2890
2891 vha->flags.process_response_queue = 1;
2892 } else {
2893 /* Enable ZIO. */
2894 if (!vha->flags.init_done) {
2895 ha->zio_mode = icb->add_firmware_options[0] &
2896 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2897 ha->zio_timer = icb->interrupt_delay_timer ?
2898 icb->interrupt_delay_timer: 2;
2899 }
2900 icb->add_firmware_options[0] &=
2901 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2902 vha->flags.process_response_queue = 0;
2903 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2904 ha->zio_mode = QLA_ZIO_MODE_6;
2905
2906 ql_log(ql_log_info, vha, 0x0068,
2907 "ZIO mode %d enabled; timer delay (%d us).\n",
2908 ha->zio_mode, ha->zio_timer * 100);
2909
2910 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2911 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2912 vha->flags.process_response_queue = 1;
2913 }
2914 }
2915
2916 if (rval) {
2917 ql_log(ql_log_warn, vha, 0x0069,
2918 "NVRAM configuration failed.\n");
2919 }
2920 return (rval);
2921 }
2922
2923 static void
2924 qla2x00_rport_del(void *data)
2925 {
2926 fc_port_t *fcport = data;
2927 struct fc_rport *rport;
2928 unsigned long flags;
2929
2930 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2931 rport = fcport->drport ? fcport->drport: fcport->rport;
2932 fcport->drport = NULL;
2933 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2934 if (rport)
2935 fc_remote_port_delete(rport);
2936 }
2937
2938 /**
2939 * qla2x00_alloc_fcport() - Allocate a generic fcport.
2940 * @ha: HA context
2941 * @flags: allocation flags
2942 *
2943 * Returns a pointer to the allocated fcport, or NULL, if none available.
2944 */
2945 fc_port_t *
2946 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2947 {
2948 fc_port_t *fcport;
2949
2950 fcport = kzalloc(sizeof(fc_port_t), flags);
2951 if (!fcport)
2952 return NULL;
2953
2954 /* Setup fcport template structure. */
2955 fcport->vha = vha;
2956 fcport->port_type = FCT_UNKNOWN;
2957 fcport->loop_id = FC_NO_LOOP_ID;
2958 qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2959 fcport->supported_classes = FC_COS_UNSPECIFIED;
2960
2961 return fcport;
2962 }
2963
2964 /*
2965 * qla2x00_configure_loop
2966 * Updates Fibre Channel Device Database with what is actually on loop.
2967 *
2968 * Input:
2969 * ha = adapter block pointer.
2970 *
2971 * Returns:
2972 * 0 = success.
2973 * 1 = error.
2974 * 2 = database was full and device was not configured.
2975 */
2976 static int
2977 qla2x00_configure_loop(scsi_qla_host_t *vha)
2978 {
2979 int rval;
2980 unsigned long flags, save_flags;
2981 struct qla_hw_data *ha = vha->hw;
2982 rval = QLA_SUCCESS;
2983
2984 /* Get Initiator ID */
2985 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2986 rval = qla2x00_configure_hba(vha);
2987 if (rval != QLA_SUCCESS) {
2988 ql_dbg(ql_dbg_disc, vha, 0x2013,
2989 "Unable to configure HBA.\n");
2990 return (rval);
2991 }
2992 }
2993
2994 save_flags = flags = vha->dpc_flags;
2995 ql_dbg(ql_dbg_disc, vha, 0x2014,
2996 "Configure loop -- dpc flags = 0x%lx.\n", flags);
2997
2998 /*
2999 * If we have both an RSCN and PORT UPDATE pending then handle them
3000 * both at the same time.
3001 */
3002 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3003 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
3004
3005 qla2x00_get_data_rate(vha);
3006
3007 /* Determine what we need to do */
3008 if (ha->current_topology == ISP_CFG_FL &&
3009 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3010
3011 set_bit(RSCN_UPDATE, &flags);
3012
3013 } else if (ha->current_topology == ISP_CFG_F &&
3014 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3015
3016 set_bit(RSCN_UPDATE, &flags);
3017 clear_bit(LOCAL_LOOP_UPDATE, &flags);
3018
3019 } else if (ha->current_topology == ISP_CFG_N) {
3020 clear_bit(RSCN_UPDATE, &flags);
3021
3022 } else if (!vha->flags.online ||
3023 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
3024
3025 set_bit(RSCN_UPDATE, &flags);
3026 set_bit(LOCAL_LOOP_UPDATE, &flags);
3027 }
3028
3029 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
3030 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3031 ql_dbg(ql_dbg_disc, vha, 0x2015,
3032 "Loop resync needed, failing.\n");
3033 rval = QLA_FUNCTION_FAILED;
3034 } else
3035 rval = qla2x00_configure_local_loop(vha);
3036 }
3037
3038 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
3039 if (LOOP_TRANSITION(vha)) {
3040 ql_dbg(ql_dbg_disc, vha, 0x201e,
3041 "Needs RSCN update and loop transition.\n");
3042 rval = QLA_FUNCTION_FAILED;
3043 }
3044 else
3045 rval = qla2x00_configure_fabric(vha);
3046 }
3047
3048 if (rval == QLA_SUCCESS) {
3049 if (atomic_read(&vha->loop_down_timer) ||
3050 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3051 rval = QLA_FUNCTION_FAILED;
3052 } else {
3053 atomic_set(&vha->loop_state, LOOP_READY);
3054 ql_dbg(ql_dbg_disc, vha, 0x2069,
3055 "LOOP READY.\n");
3056 }
3057 }
3058
3059 if (rval) {
3060 ql_dbg(ql_dbg_disc, vha, 0x206a,
3061 "%s *** FAILED ***.\n", __func__);
3062 } else {
3063 ql_dbg(ql_dbg_disc, vha, 0x206b,
3064 "%s: exiting normally.\n", __func__);
3065 }
3066
3067 /* Restore state if a resync event occurred during processing */
3068 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3069 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
3070 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3071 if (test_bit(RSCN_UPDATE, &save_flags)) {
3072 set_bit(RSCN_UPDATE, &vha->dpc_flags);
3073 }
3074 }
3075
3076 return (rval);
3077 }
3078
3079
3080
3081 /*
3082 * qla2x00_configure_local_loop
3083 * Updates Fibre Channel Device Database with local loop devices.
3084 *
3085 * Input:
3086 * ha = adapter block pointer.
3087 *
3088 * Returns:
3089 * 0 = success.
3090 */
3091 static int
3092 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
3093 {
3094 int rval, rval2;
3095 int found_devs;
3096 int found;
3097 fc_port_t *fcport, *new_fcport;
3098
3099 uint16_t index;
3100 uint16_t entries;
3101 char *id_iter;
3102 uint16_t loop_id;
3103 uint8_t domain, area, al_pa;
3104 struct qla_hw_data *ha = vha->hw;
3105
3106 found_devs = 0;
3107 new_fcport = NULL;
3108 entries = MAX_FIBRE_DEVICES_LOOP;
3109
3110 /* Get list of logged in devices. */
3111 memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
3112 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
3113 &entries);
3114 if (rval != QLA_SUCCESS)
3115 goto cleanup_allocation;
3116
3117 ql_dbg(ql_dbg_disc, vha, 0x2017,
3118 "Entries in ID list (%d).\n", entries);
3119 ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
3120 (uint8_t *)ha->gid_list,
3121 entries * sizeof(struct gid_list_info));
3122
3123 /* Allocate temporary fcport for any new fcports discovered. */
3124 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3125 if (new_fcport == NULL) {
3126 ql_log(ql_log_warn, vha, 0x2018,
3127 "Memory allocation failed for fcport.\n");
3128 rval = QLA_MEMORY_ALLOC_FAILED;
3129 goto cleanup_allocation;
3130 }
3131 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3132
3133 /*
3134 * Mark local devices that were present with FCF_DEVICE_LOST for now.
3135 */
3136 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3137 if (atomic_read(&fcport->state) == FCS_ONLINE &&
3138 fcport->port_type != FCT_BROADCAST &&
3139 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3140
3141 ql_dbg(ql_dbg_disc, vha, 0x2019,
3142 "Marking port lost loop_id=0x%04x.\n",
3143 fcport->loop_id);
3144
3145 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3146 }
3147 }
3148
3149 /* Add devices to port list. */
3150 id_iter = (char *)ha->gid_list;
3151 for (index = 0; index < entries; index++) {
3152 domain = ((struct gid_list_info *)id_iter)->domain;
3153 area = ((struct gid_list_info *)id_iter)->area;
3154 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
3155 if (IS_QLA2100(ha) || IS_QLA2200(ha))
3156 loop_id = (uint16_t)
3157 ((struct gid_list_info *)id_iter)->loop_id_2100;
3158 else
3159 loop_id = le16_to_cpu(
3160 ((struct gid_list_info *)id_iter)->loop_id);
3161 id_iter += ha->gid_list_info_size;
3162
3163 /* Bypass reserved domain fields. */
3164 if ((domain & 0xf0) == 0xf0)
3165 continue;
3166
3167 /* Bypass if not same domain and area of adapter. */
3168 if (area && domain &&
3169 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
3170 continue;
3171
3172 /* Bypass invalid local loop ID. */
3173 if (loop_id > LAST_LOCAL_LOOP_ID)
3174 continue;
3175
3176 memset(new_fcport, 0, sizeof(fc_port_t));
3177
3178 /* Fill in member data. */
3179 new_fcport->d_id.b.domain = domain;
3180 new_fcport->d_id.b.area = area;
3181 new_fcport->d_id.b.al_pa = al_pa;
3182 new_fcport->loop_id = loop_id;
3183 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
3184 if (rval2 != QLA_SUCCESS) {
3185 ql_dbg(ql_dbg_disc, vha, 0x201a,
3186 "Failed to retrieve fcport information "
3187 "-- get_port_database=%x, loop_id=0x%04x.\n",
3188 rval2, new_fcport->loop_id);
3189 ql_dbg(ql_dbg_disc, vha, 0x201b,
3190 "Scheduling resync.\n");
3191 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3192 continue;
3193 }
3194
3195 /* Check for matching device in port list. */
3196 found = 0;
3197 fcport = NULL;
3198 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3199 if (memcmp(new_fcport->port_name, fcport->port_name,
3200 WWN_SIZE))
3201 continue;
3202
3203 fcport->flags &= ~FCF_FABRIC_DEVICE;
3204 fcport->loop_id = new_fcport->loop_id;
3205 fcport->port_type = new_fcport->port_type;
3206 fcport->d_id.b24 = new_fcport->d_id.b24;
3207 memcpy(fcport->node_name, new_fcport->node_name,
3208 WWN_SIZE);
3209
3210 found++;
3211 break;
3212 }
3213
3214 if (!found) {
3215 /* New device, add to fcports list. */
3216 list_add_tail(&new_fcport->list, &vha->vp_fcports);
3217
3218 /* Allocate a new replacement fcport. */
3219 fcport = new_fcport;
3220 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3221 if (new_fcport == NULL) {
3222 ql_log(ql_log_warn, vha, 0x201c,
3223 "Failed to allocate memory for fcport.\n");
3224 rval = QLA_MEMORY_ALLOC_FAILED;
3225 goto cleanup_allocation;
3226 }
3227 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3228 }
3229
3230 /* Base iIDMA settings on HBA port speed. */
3231 fcport->fp_speed = ha->link_data_rate;
3232
3233 qla2x00_update_fcport(vha, fcport);
3234
3235 found_devs++;
3236 }
3237
3238 cleanup_allocation:
3239 kfree(new_fcport);
3240
3241 if (rval != QLA_SUCCESS) {
3242 ql_dbg(ql_dbg_disc, vha, 0x201d,
3243 "Configure local loop error exit: rval=%x.\n", rval);
3244 }
3245
3246 return (rval);
3247 }
3248
3249 static void
3250 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3251 {
3252 int rval;
3253 uint16_t mb[MAILBOX_REGISTER_COUNT];
3254 struct qla_hw_data *ha = vha->hw;
3255
3256 if (!IS_IIDMA_CAPABLE(ha))
3257 return;
3258
3259 if (atomic_read(&fcport->state) != FCS_ONLINE)
3260 return;
3261
3262 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3263 fcport->fp_speed > ha->link_data_rate)
3264 return;
3265
3266 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3267 mb);
3268 if (rval != QLA_SUCCESS) {
3269 ql_dbg(ql_dbg_disc, vha, 0x2004,
3270 "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
3271 fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
3272 } else {
3273 ql_dbg(ql_dbg_disc, vha, 0x2005,
3274 "iIDMA adjusted to %s GB/s on %8phN.\n",
3275 qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3276 fcport->port_name);
3277 }
3278 }
3279
3280 static void
3281 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3282 {
3283 struct fc_rport_identifiers rport_ids;
3284 struct fc_rport *rport;
3285 unsigned long flags;
3286
3287 rport_ids.node_name = wwn_to_u64(fcport->node_name);
3288 rport_ids.port_name = wwn_to_u64(fcport->port_name);
3289 rport_ids.port_id = fcport->d_id.b.domain << 16 |
3290 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3291 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3292 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3293 if (!rport) {
3294 ql_log(ql_log_warn, vha, 0x2006,
3295 "Unable to allocate fc remote port.\n");
3296 return;
3297 }
3298 /*
3299 * Create target mode FC NEXUS in qla_target.c if target mode is
3300 * enabled..
3301 */
3302
3303 qlt_fc_port_added(vha, fcport);
3304
3305 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3306 *((fc_port_t **)rport->dd_data) = fcport;
3307 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3308
3309 rport->supported_classes = fcport->supported_classes;
3310
3311 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3312 if (fcport->port_type == FCT_INITIATOR)
3313 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3314 if (fcport->port_type == FCT_TARGET)
3315 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3316 fc_remote_port_rolechg(rport, rport_ids.roles);
3317 }
3318
3319 /*
3320 * qla2x00_update_fcport
3321 * Updates device on list.
3322 *
3323 * Input:
3324 * ha = adapter block pointer.
3325 * fcport = port structure pointer.
3326 *
3327 * Return:
3328 * 0 - Success
3329 * BIT_0 - error
3330 *
3331 * Context:
3332 * Kernel context.
3333 */
3334 void
3335 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3336 {
3337 fcport->vha = vha;
3338
3339 if (IS_QLAFX00(vha->hw)) {
3340 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3341 goto reg_port;
3342 }
3343 fcport->login_retry = 0;
3344 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3345
3346 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3347 qla2x00_iidma_fcport(vha, fcport);
3348 qla24xx_update_fcport_fcp_prio(vha, fcport);
3349
3350 reg_port:
3351 if (qla_ini_mode_enabled(vha))
3352 qla2x00_reg_remote_port(vha, fcport);
3353 else {
3354 /*
3355 * Create target mode FC NEXUS in qla_target.c
3356 */
3357 qlt_fc_port_added(vha, fcport);
3358 }
3359 }
3360
3361 /*
3362 * qla2x00_configure_fabric
3363 * Setup SNS devices with loop ID's.
3364 *
3365 * Input:
3366 * ha = adapter block pointer.
3367 *
3368 * Returns:
3369 * 0 = success.
3370 * BIT_0 = error
3371 */
3372 static int
3373 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3374 {
3375 int rval;
3376 fc_port_t *fcport, *fcptemp;
3377 uint16_t next_loopid;
3378 uint16_t mb[MAILBOX_REGISTER_COUNT];
3379 uint16_t loop_id;
3380 LIST_HEAD(new_fcports);
3381 struct qla_hw_data *ha = vha->hw;
3382 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3383 int discovery_gen;
3384
3385 /* If FL port exists, then SNS is present */
3386 if (IS_FWI2_CAPABLE(ha))
3387 loop_id = NPH_F_PORT;
3388 else
3389 loop_id = SNS_FL_PORT;
3390 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3391 if (rval != QLA_SUCCESS) {
3392 ql_dbg(ql_dbg_disc, vha, 0x201f,
3393 "MBX_GET_PORT_NAME failed, No FL Port.\n");
3394
3395 vha->device_flags &= ~SWITCH_FOUND;
3396 return (QLA_SUCCESS);
3397 }
3398 vha->device_flags |= SWITCH_FOUND;
3399
3400 do {
3401 /* FDMI support. */
3402 if (ql2xfdmienable &&
3403 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3404 qla2x00_fdmi_register(vha);
3405
3406 /* Ensure we are logged into the SNS. */
3407 if (IS_FWI2_CAPABLE(ha))
3408 loop_id = NPH_SNS;
3409 else
3410 loop_id = SIMPLE_NAME_SERVER;
3411 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3412 0xfc, mb, BIT_1|BIT_0);
3413 if (rval != QLA_SUCCESS) {
3414 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3415 return rval;
3416 }
3417 if (mb[0] != MBS_COMMAND_COMPLETE) {
3418 ql_dbg(ql_dbg_disc, vha, 0x2042,
3419 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3420 "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3421 mb[2], mb[6], mb[7]);
3422 return (QLA_SUCCESS);
3423 }
3424
3425 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3426 if (qla2x00_rft_id(vha)) {
3427 /* EMPTY */
3428 ql_dbg(ql_dbg_disc, vha, 0x2045,
3429 "Register FC-4 TYPE failed.\n");
3430 }
3431 if (qla2x00_rff_id(vha)) {
3432 /* EMPTY */
3433 ql_dbg(ql_dbg_disc, vha, 0x2049,
3434 "Register FC-4 Features failed.\n");
3435 }
3436 if (qla2x00_rnn_id(vha)) {
3437 /* EMPTY */
3438 ql_dbg(ql_dbg_disc, vha, 0x204f,
3439 "Register Node Name failed.\n");
3440 } else if (qla2x00_rsnn_nn(vha)) {
3441 /* EMPTY */
3442 ql_dbg(ql_dbg_disc, vha, 0x2053,
3443 "Register Symobilic Node Name failed.\n");
3444 }
3445 }
3446
3447 #define QLA_FCPORT_SCAN 1
3448 #define QLA_FCPORT_FOUND 2
3449
3450 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3451 fcport->scan_state = QLA_FCPORT_SCAN;
3452 }
3453
3454 /* Mark the time right before querying FW for connected ports.
3455 * This process is long, asynchronous and by the time it's done,
3456 * collected information might not be accurate anymore. E.g.
3457 * disconnected port might have re-connected and a brand new
3458 * session has been created. In this case session's generation
3459 * will be newer than discovery_gen. */
3460 qlt_do_generation_tick(vha, &discovery_gen);
3461
3462 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3463 if (rval != QLA_SUCCESS)
3464 break;
3465
3466 /*
3467 * Logout all previous fabric devices marked lost, except
3468 * FCP2 devices.
3469 */
3470 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3471 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3472 break;
3473
3474 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3475 continue;
3476
3477 if (fcport->scan_state == QLA_FCPORT_SCAN) {
3478 if (qla_ini_mode_enabled(base_vha) &&
3479 atomic_read(&fcport->state) == FCS_ONLINE) {
3480 qla2x00_mark_device_lost(vha, fcport,
3481 ql2xplogiabsentdevice, 0);
3482 if (fcport->loop_id != FC_NO_LOOP_ID &&
3483 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3484 fcport->port_type != FCT_INITIATOR &&
3485 fcport->port_type != FCT_BROADCAST) {
3486 ha->isp_ops->fabric_logout(vha,
3487 fcport->loop_id,
3488 fcport->d_id.b.domain,
3489 fcport->d_id.b.area,
3490 fcport->d_id.b.al_pa);
3491 qla2x00_clear_loop_id(fcport);
3492 }
3493 } else if (!qla_ini_mode_enabled(base_vha)) {
3494 /*
3495 * In target mode, explicitly kill
3496 * sessions and log out of devices
3497 * that are gone, so that we don't
3498 * end up with an initiator using the
3499 * wrong ACL (if the fabric recycles
3500 * an FC address and we have a stale
3501 * session around) and so that we don't
3502 * report initiators that are no longer
3503 * on the fabric.
3504 */
3505 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf077,
3506 "port gone, logging out/killing session: "
3507 "%8phC state 0x%x flags 0x%x fc4_type 0x%x "
3508 "scan_state %d\n",
3509 fcport->port_name,
3510 atomic_read(&fcport->state),
3511 fcport->flags, fcport->fc4_type,
3512 fcport->scan_state);
3513 qlt_fc_port_deleted(vha, fcport,
3514 discovery_gen);
3515 }
3516 }
3517 }
3518
3519 /* Starting free loop ID. */
3520 next_loopid = ha->min_external_loopid;
3521
3522 /*
3523 * Scan through our port list and login entries that need to be
3524 * logged in.
3525 */
3526 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3527 if (atomic_read(&vha->loop_down_timer) ||
3528 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3529 break;
3530
3531 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3532 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3533 continue;
3534
3535 /*
3536 * If we're not an initiator, skip looking for devices
3537 * and logging in. There's no reason for us to do it,
3538 * and it seems to actively cause problems in target
3539 * mode if we race with the initiator logging into us
3540 * (we might get the "port ID used" status back from
3541 * our login command and log out the initiator, which
3542 * seems to cause havoc).
3543 */
3544 if (!qla_ini_mode_enabled(base_vha)) {
3545 if (fcport->scan_state == QLA_FCPORT_FOUND) {
3546 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf078,
3547 "port %8phC state 0x%x flags 0x%x fc4_type 0x%x "
3548 "scan_state %d (initiator mode disabled; skipping "
3549 "login)\n", fcport->port_name,
3550 atomic_read(&fcport->state),
3551 fcport->flags, fcport->fc4_type,
3552 fcport->scan_state);
3553 }
3554 continue;
3555 }
3556
3557 if (fcport->loop_id == FC_NO_LOOP_ID) {
3558 fcport->loop_id = next_loopid;
3559 rval = qla2x00_find_new_loop_id(
3560 base_vha, fcport);
3561 if (rval != QLA_SUCCESS) {
3562 /* Ran out of IDs to use */
3563 break;
3564 }
3565 }
3566 /* Login and update database */
3567 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3568 }
3569
3570 /* Exit if out of loop IDs. */
3571 if (rval != QLA_SUCCESS) {
3572 break;
3573 }
3574
3575 /*
3576 * Login and add the new devices to our port list.
3577 */
3578 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3579 if (atomic_read(&vha->loop_down_timer) ||
3580 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3581 break;
3582
3583 /*
3584 * If we're not an initiator, skip looking for devices
3585 * and logging in. There's no reason for us to do it,
3586 * and it seems to actively cause problems in target
3587 * mode if we race with the initiator logging into us
3588 * (we might get the "port ID used" status back from
3589 * our login command and log out the initiator, which
3590 * seems to cause havoc).
3591 */
3592 if (qla_ini_mode_enabled(base_vha)) {
3593 /* Find a new loop ID to use. */
3594 fcport->loop_id = next_loopid;
3595 rval = qla2x00_find_new_loop_id(base_vha,
3596 fcport);
3597 if (rval != QLA_SUCCESS) {
3598 /* Ran out of IDs to use */
3599 break;
3600 }
3601
3602 /* Login and update database */
3603 qla2x00_fabric_dev_login(vha, fcport,
3604 &next_loopid);
3605 } else {
3606 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf079,
3607 "new port %8phC state 0x%x flags 0x%x fc4_type "
3608 "0x%x scan_state %d (initiator mode disabled; "
3609 "skipping login)\n",
3610 fcport->port_name,
3611 atomic_read(&fcport->state),
3612 fcport->flags, fcport->fc4_type,
3613 fcport->scan_state);
3614 }
3615
3616 list_move_tail(&fcport->list, &vha->vp_fcports);
3617 }
3618 } while (0);
3619
3620 /* Free all new device structures not processed. */
3621 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3622 list_del(&fcport->list);
3623 kfree(fcport);
3624 }
3625
3626 if (rval) {
3627 ql_dbg(ql_dbg_disc, vha, 0x2068,
3628 "Configure fabric error exit rval=%d.\n", rval);
3629 }
3630
3631 return (rval);
3632 }
3633
3634 /*
3635 * qla2x00_find_all_fabric_devs
3636 *
3637 * Input:
3638 * ha = adapter block pointer.
3639 * dev = database device entry pointer.
3640 *
3641 * Returns:
3642 * 0 = success.
3643 *
3644 * Context:
3645 * Kernel context.
3646 */
3647 static int
3648 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3649 struct list_head *new_fcports)
3650 {
3651 int rval;
3652 uint16_t loop_id;
3653 fc_port_t *fcport, *new_fcport, *fcptemp;
3654 int found;
3655
3656 sw_info_t *swl;
3657 int swl_idx;
3658 int first_dev, last_dev;
3659 port_id_t wrap = {}, nxt_d_id;
3660 struct qla_hw_data *ha = vha->hw;
3661 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3662
3663 rval = QLA_SUCCESS;
3664
3665 /* Try GID_PT to get device list, else GAN. */
3666 if (!ha->swl)
3667 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3668 GFP_KERNEL);
3669 swl = ha->swl;
3670 if (!swl) {
3671 /*EMPTY*/
3672 ql_dbg(ql_dbg_disc, vha, 0x2054,
3673 "GID_PT allocations failed, fallback on GA_NXT.\n");
3674 } else {
3675 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3676 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3677 swl = NULL;
3678 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3679 swl = NULL;
3680 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3681 swl = NULL;
3682 } else if (ql2xiidmaenable &&
3683 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3684 qla2x00_gpsc(vha, swl);
3685 }
3686
3687 /* If other queries succeeded probe for FC-4 type */
3688 if (swl)
3689 qla2x00_gff_id(vha, swl);
3690 }
3691 swl_idx = 0;
3692
3693 /* Allocate temporary fcport for any new fcports discovered. */
3694 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3695 if (new_fcport == NULL) {
3696 ql_log(ql_log_warn, vha, 0x205e,
3697 "Failed to allocate memory for fcport.\n");
3698 return (QLA_MEMORY_ALLOC_FAILED);
3699 }
3700 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3701 /* Set start port ID scan at adapter ID. */
3702 first_dev = 1;
3703 last_dev = 0;
3704
3705 /* Starting free loop ID. */
3706 loop_id = ha->min_external_loopid;
3707 for (; loop_id <= ha->max_loop_id; loop_id++) {
3708 if (qla2x00_is_reserved_id(vha, loop_id))
3709 continue;
3710
3711 if (ha->current_topology == ISP_CFG_FL &&
3712 (atomic_read(&vha->loop_down_timer) ||
3713 LOOP_TRANSITION(vha))) {
3714 atomic_set(&vha->loop_down_timer, 0);
3715 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3716 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3717 break;
3718 }
3719
3720 if (swl != NULL) {
3721 if (last_dev) {
3722 wrap.b24 = new_fcport->d_id.b24;
3723 } else {
3724 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3725 memcpy(new_fcport->node_name,
3726 swl[swl_idx].node_name, WWN_SIZE);
3727 memcpy(new_fcport->port_name,
3728 swl[swl_idx].port_name, WWN_SIZE);
3729 memcpy(new_fcport->fabric_port_name,
3730 swl[swl_idx].fabric_port_name, WWN_SIZE);
3731 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3732 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3733
3734 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3735 last_dev = 1;
3736 }
3737 swl_idx++;
3738 }
3739 } else {
3740 /* Send GA_NXT to the switch */
3741 rval = qla2x00_ga_nxt(vha, new_fcport);
3742 if (rval != QLA_SUCCESS) {
3743 ql_log(ql_log_warn, vha, 0x2064,
3744 "SNS scan failed -- assuming "
3745 "zero-entry result.\n");
3746 list_for_each_entry_safe(fcport, fcptemp,
3747 new_fcports, list) {
3748 list_del(&fcport->list);
3749 kfree(fcport);
3750 }
3751 rval = QLA_SUCCESS;
3752 break;
3753 }
3754 }
3755
3756 /* If wrap on switch device list, exit. */
3757 if (first_dev) {
3758 wrap.b24 = new_fcport->d_id.b24;
3759 first_dev = 0;
3760 } else if (new_fcport->d_id.b24 == wrap.b24) {
3761 ql_dbg(ql_dbg_disc, vha, 0x2065,
3762 "Device wrap (%02x%02x%02x).\n",
3763 new_fcport->d_id.b.domain,
3764 new_fcport->d_id.b.area,
3765 new_fcport->d_id.b.al_pa);
3766 break;
3767 }
3768
3769 /* Bypass if same physical adapter. */
3770 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3771 continue;
3772
3773 /* Bypass virtual ports of the same host. */
3774 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3775 continue;
3776
3777 /* Bypass if same domain and area of adapter. */
3778 if (((new_fcport->d_id.b24 & 0xffff00) ==
3779 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3780 ISP_CFG_FL)
3781 continue;
3782
3783 /* Bypass reserved domain fields. */
3784 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3785 continue;
3786
3787 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3788 if (ql2xgffidenable &&
3789 (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3790 new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3791 continue;
3792
3793 /* Locate matching device in database. */
3794 found = 0;
3795 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3796 if (memcmp(new_fcport->port_name, fcport->port_name,
3797 WWN_SIZE))
3798 continue;
3799
3800 fcport->scan_state = QLA_FCPORT_FOUND;
3801
3802 found++;
3803
3804 /* Update port state. */
3805 memcpy(fcport->fabric_port_name,
3806 new_fcport->fabric_port_name, WWN_SIZE);
3807 fcport->fp_speed = new_fcport->fp_speed;
3808
3809 /*
3810 * If address the same and state FCS_ONLINE
3811 * (or in target mode), nothing changed.
3812 */
3813 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3814 (atomic_read(&fcport->state) == FCS_ONLINE ||
3815 !qla_ini_mode_enabled(base_vha))) {
3816 break;
3817 }
3818
3819 /*
3820 * If device was not a fabric device before.
3821 */
3822 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3823 fcport->d_id.b24 = new_fcport->d_id.b24;
3824 qla2x00_clear_loop_id(fcport);
3825 fcport->flags |= (FCF_FABRIC_DEVICE |
3826 FCF_LOGIN_NEEDED);
3827 break;
3828 }
3829
3830 /*
3831 * Port ID changed or device was marked to be updated;
3832 * Log it out if still logged in and mark it for
3833 * relogin later.
3834 */
3835 if (!qla_ini_mode_enabled(base_vha)) {
3836 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
3837 "port changed FC ID, %8phC"
3838 " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
3839 fcport->port_name,
3840 fcport->d_id.b.domain,
3841 fcport->d_id.b.area,
3842 fcport->d_id.b.al_pa,
3843 fcport->loop_id,
3844 new_fcport->d_id.b.domain,
3845 new_fcport->d_id.b.area,
3846 new_fcport->d_id.b.al_pa);
3847 fcport->d_id.b24 = new_fcport->d_id.b24;
3848 break;
3849 }
3850
3851 fcport->d_id.b24 = new_fcport->d_id.b24;
3852 fcport->flags |= FCF_LOGIN_NEEDED;
3853 if (fcport->loop_id != FC_NO_LOOP_ID &&
3854 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3855 (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3856 fcport->port_type != FCT_INITIATOR &&
3857 fcport->port_type != FCT_BROADCAST) {
3858 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3859 fcport->d_id.b.domain, fcport->d_id.b.area,
3860 fcport->d_id.b.al_pa);
3861 qla2x00_clear_loop_id(fcport);
3862 }
3863
3864 break;
3865 }
3866
3867 if (found)
3868 continue;
3869 /* If device was not in our fcports list, then add it. */
3870 new_fcport->scan_state = QLA_FCPORT_FOUND;
3871 list_add_tail(&new_fcport->list, new_fcports);
3872
3873 /* Allocate a new replacement fcport. */
3874 nxt_d_id.b24 = new_fcport->d_id.b24;
3875 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3876 if (new_fcport == NULL) {
3877 ql_log(ql_log_warn, vha, 0x2066,
3878 "Memory allocation failed for fcport.\n");
3879 return (QLA_MEMORY_ALLOC_FAILED);
3880 }
3881 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3882 new_fcport->d_id.b24 = nxt_d_id.b24;
3883 }
3884
3885 kfree(new_fcport);
3886
3887 return (rval);
3888 }
3889
3890 /*
3891 * qla2x00_find_new_loop_id
3892 * Scan through our port list and find a new usable loop ID.
3893 *
3894 * Input:
3895 * ha: adapter state pointer.
3896 * dev: port structure pointer.
3897 *
3898 * Returns:
3899 * qla2x00 local function return status code.
3900 *
3901 * Context:
3902 * Kernel context.
3903 */
3904 int
3905 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3906 {
3907 int rval;
3908 struct qla_hw_data *ha = vha->hw;
3909 unsigned long flags = 0;
3910
3911 rval = QLA_SUCCESS;
3912
3913 spin_lock_irqsave(&ha->vport_slock, flags);
3914
3915 dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3916 LOOPID_MAP_SIZE);
3917 if (dev->loop_id >= LOOPID_MAP_SIZE ||
3918 qla2x00_is_reserved_id(vha, dev->loop_id)) {
3919 dev->loop_id = FC_NO_LOOP_ID;
3920 rval = QLA_FUNCTION_FAILED;
3921 } else
3922 set_bit(dev->loop_id, ha->loop_id_map);
3923
3924 spin_unlock_irqrestore(&ha->vport_slock, flags);
3925
3926 if (rval == QLA_SUCCESS)
3927 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3928 "Assigning new loopid=%x, portid=%x.\n",
3929 dev->loop_id, dev->d_id.b24);
3930 else
3931 ql_log(ql_log_warn, dev->vha, 0x2087,
3932 "No loop_id's available, portid=%x.\n",
3933 dev->d_id.b24);
3934
3935 return (rval);
3936 }
3937
3938 /*
3939 * qla2x00_fabric_dev_login
3940 * Login fabric target device and update FC port database.
3941 *
3942 * Input:
3943 * ha: adapter state pointer.
3944 * fcport: port structure list pointer.
3945 * next_loopid: contains value of a new loop ID that can be used
3946 * by the next login attempt.
3947 *
3948 * Returns:
3949 * qla2x00 local function return status code.
3950 *
3951 * Context:
3952 * Kernel context.
3953 */
3954 static int
3955 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3956 uint16_t *next_loopid)
3957 {
3958 int rval;
3959 uint8_t opts;
3960 struct qla_hw_data *ha = vha->hw;
3961
3962 rval = QLA_SUCCESS;
3963
3964 if (IS_ALOGIO_CAPABLE(ha)) {
3965 if (fcport->flags & FCF_ASYNC_SENT)
3966 return rval;
3967 fcport->flags |= FCF_ASYNC_SENT;
3968 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3969 if (!rval)
3970 return rval;
3971 }
3972
3973 fcport->flags &= ~FCF_ASYNC_SENT;
3974 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3975 if (rval == QLA_SUCCESS) {
3976 /* Send an ADISC to FCP2 devices.*/
3977 opts = 0;
3978 if (fcport->flags & FCF_FCP2_DEVICE)
3979 opts |= BIT_1;
3980 rval = qla2x00_get_port_database(vha, fcport, opts);
3981 if (rval != QLA_SUCCESS) {
3982 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3983 fcport->d_id.b.domain, fcport->d_id.b.area,
3984 fcport->d_id.b.al_pa);
3985 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3986 } else {
3987 qla2x00_update_fcport(vha, fcport);
3988 }
3989 } else {
3990 /* Retry Login. */
3991 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3992 }
3993
3994 return (rval);
3995 }
3996
3997 /*
3998 * qla2x00_fabric_login
3999 * Issue fabric login command.
4000 *
4001 * Input:
4002 * ha = adapter block pointer.
4003 * device = pointer to FC device type structure.
4004 *
4005 * Returns:
4006 * 0 - Login successfully
4007 * 1 - Login failed
4008 * 2 - Initiator device
4009 * 3 - Fatal error
4010 */
4011 int
4012 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
4013 uint16_t *next_loopid)
4014 {
4015 int rval;
4016 int retry;
4017 uint16_t tmp_loopid;
4018 uint16_t mb[MAILBOX_REGISTER_COUNT];
4019 struct qla_hw_data *ha = vha->hw;
4020
4021 retry = 0;
4022 tmp_loopid = 0;
4023
4024 for (;;) {
4025 ql_dbg(ql_dbg_disc, vha, 0x2000,
4026 "Trying Fabric Login w/loop id 0x%04x for port "
4027 "%02x%02x%02x.\n",
4028 fcport->loop_id, fcport->d_id.b.domain,
4029 fcport->d_id.b.area, fcport->d_id.b.al_pa);
4030
4031 /* Login fcport on switch. */
4032 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
4033 fcport->d_id.b.domain, fcport->d_id.b.area,
4034 fcport->d_id.b.al_pa, mb, BIT_0);
4035 if (rval != QLA_SUCCESS) {
4036 return rval;
4037 }
4038 if (mb[0] == MBS_PORT_ID_USED) {
4039 /*
4040 * Device has another loop ID. The firmware team
4041 * recommends the driver perform an implicit login with
4042 * the specified ID again. The ID we just used is save
4043 * here so we return with an ID that can be tried by
4044 * the next login.
4045 */
4046 retry++;
4047 tmp_loopid = fcport->loop_id;
4048 fcport->loop_id = mb[1];
4049
4050 ql_dbg(ql_dbg_disc, vha, 0x2001,
4051 "Fabric Login: port in use - next loop "
4052 "id=0x%04x, port id= %02x%02x%02x.\n",
4053 fcport->loop_id, fcport->d_id.b.domain,
4054 fcport->d_id.b.area, fcport->d_id.b.al_pa);
4055
4056 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
4057 /*
4058 * Login succeeded.
4059 */
4060 if (retry) {
4061 /* A retry occurred before. */
4062 *next_loopid = tmp_loopid;
4063 } else {
4064 /*
4065 * No retry occurred before. Just increment the
4066 * ID value for next login.
4067 */
4068 *next_loopid = (fcport->loop_id + 1);
4069 }
4070
4071 if (mb[1] & BIT_0) {
4072 fcport->port_type = FCT_INITIATOR;
4073 } else {
4074 fcport->port_type = FCT_TARGET;
4075 if (mb[1] & BIT_1) {
4076 fcport->flags |= FCF_FCP2_DEVICE;
4077 }
4078 }
4079
4080 if (mb[10] & BIT_0)
4081 fcport->supported_classes |= FC_COS_CLASS2;
4082 if (mb[10] & BIT_1)
4083 fcport->supported_classes |= FC_COS_CLASS3;
4084
4085 if (IS_FWI2_CAPABLE(ha)) {
4086 if (mb[10] & BIT_7)
4087 fcport->flags |=
4088 FCF_CONF_COMP_SUPPORTED;
4089 }
4090
4091 rval = QLA_SUCCESS;
4092 break;
4093 } else if (mb[0] == MBS_LOOP_ID_USED) {
4094 /*
4095 * Loop ID already used, try next loop ID.
4096 */
4097 fcport->loop_id++;
4098 rval = qla2x00_find_new_loop_id(vha, fcport);
4099 if (rval != QLA_SUCCESS) {
4100 /* Ran out of loop IDs to use */
4101 break;
4102 }
4103 } else if (mb[0] == MBS_COMMAND_ERROR) {
4104 /*
4105 * Firmware possibly timed out during login. If NO
4106 * retries are left to do then the device is declared
4107 * dead.
4108 */
4109 *next_loopid = fcport->loop_id;
4110 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4111 fcport->d_id.b.domain, fcport->d_id.b.area,
4112 fcport->d_id.b.al_pa);
4113 qla2x00_mark_device_lost(vha, fcport, 1, 0);
4114
4115 rval = 1;
4116 break;
4117 } else {
4118 /*
4119 * unrecoverable / not handled error
4120 */
4121 ql_dbg(ql_dbg_disc, vha, 0x2002,
4122 "Failed=%x port_id=%02x%02x%02x loop_id=%x "
4123 "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
4124 fcport->d_id.b.area, fcport->d_id.b.al_pa,
4125 fcport->loop_id, jiffies);
4126
4127 *next_loopid = fcport->loop_id;
4128 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4129 fcport->d_id.b.domain, fcport->d_id.b.area,
4130 fcport->d_id.b.al_pa);
4131 qla2x00_clear_loop_id(fcport);
4132 fcport->login_retry = 0;
4133
4134 rval = 3;
4135 break;
4136 }
4137 }
4138
4139 return (rval);
4140 }
4141
4142 /*
4143 * qla2x00_local_device_login
4144 * Issue local device login command.
4145 *
4146 * Input:
4147 * ha = adapter block pointer.
4148 * loop_id = loop id of device to login to.
4149 *
4150 * Returns (Where's the #define!!!!):
4151 * 0 - Login successfully
4152 * 1 - Login failed
4153 * 3 - Fatal error
4154 */
4155 int
4156 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
4157 {
4158 int rval;
4159 uint16_t mb[MAILBOX_REGISTER_COUNT];
4160
4161 memset(mb, 0, sizeof(mb));
4162 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
4163 if (rval == QLA_SUCCESS) {
4164 /* Interrogate mailbox registers for any errors */
4165 if (mb[0] == MBS_COMMAND_ERROR)
4166 rval = 1;
4167 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
4168 /* device not in PCB table */
4169 rval = 3;
4170 }
4171
4172 return (rval);
4173 }
4174
4175 /*
4176 * qla2x00_loop_resync
4177 * Resync with fibre channel devices.
4178 *
4179 * Input:
4180 * ha = adapter block pointer.
4181 *
4182 * Returns:
4183 * 0 = success
4184 */
4185 int
4186 qla2x00_loop_resync(scsi_qla_host_t *vha)
4187 {
4188 int rval = QLA_SUCCESS;
4189 uint32_t wait_time;
4190 struct req_que *req;
4191 struct rsp_que *rsp;
4192
4193 if (vha->hw->flags.cpu_affinity_enabled)
4194 req = vha->hw->req_q_map[0];
4195 else
4196 req = vha->req;
4197 rsp = req->rsp;
4198
4199 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4200 if (vha->flags.online) {
4201 if (!(rval = qla2x00_fw_ready(vha))) {
4202 /* Wait at most MAX_TARGET RSCNs for a stable link. */
4203 wait_time = 256;
4204 do {
4205 if (!IS_QLAFX00(vha->hw)) {
4206 /*
4207 * Issue a marker after FW becomes
4208 * ready.
4209 */
4210 qla2x00_marker(vha, req, rsp, 0, 0,
4211 MK_SYNC_ALL);
4212 vha->marker_needed = 0;
4213 }
4214
4215 /* Remap devices on Loop. */
4216 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4217
4218 if (IS_QLAFX00(vha->hw))
4219 qlafx00_configure_devices(vha);
4220 else
4221 qla2x00_configure_loop(vha);
4222
4223 wait_time--;
4224 } while (!atomic_read(&vha->loop_down_timer) &&
4225 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4226 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4227 &vha->dpc_flags)));
4228 }
4229 }
4230
4231 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4232 return (QLA_FUNCTION_FAILED);
4233
4234 if (rval)
4235 ql_dbg(ql_dbg_disc, vha, 0x206c,
4236 "%s *** FAILED ***.\n", __func__);
4237
4238 return (rval);
4239 }
4240
4241 /*
4242 * qla2x00_perform_loop_resync
4243 * Description: This function will set the appropriate flags and call
4244 * qla2x00_loop_resync. If successful loop will be resynced
4245 * Arguments : scsi_qla_host_t pointer
4246 * returm : Success or Failure
4247 */
4248
4249 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
4250 {
4251 int32_t rval = 0;
4252
4253 if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
4254 /*Configure the flags so that resync happens properly*/
4255 atomic_set(&ha->loop_down_timer, 0);
4256 if (!(ha->device_flags & DFLG_NO_CABLE)) {
4257 atomic_set(&ha->loop_state, LOOP_UP);
4258 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4259 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
4260 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4261
4262 rval = qla2x00_loop_resync(ha);
4263 } else
4264 atomic_set(&ha->loop_state, LOOP_DEAD);
4265
4266 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
4267 }
4268
4269 return rval;
4270 }
4271
4272 void
4273 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
4274 {
4275 fc_port_t *fcport;
4276 struct scsi_qla_host *vha;
4277 struct qla_hw_data *ha = base_vha->hw;
4278 unsigned long flags;
4279
4280 spin_lock_irqsave(&ha->vport_slock, flags);
4281 /* Go with deferred removal of rport references. */
4282 list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
4283 atomic_inc(&vha->vref_count);
4284 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4285 if (fcport->drport &&
4286 atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
4287 spin_unlock_irqrestore(&ha->vport_slock, flags);
4288 qla2x00_rport_del(fcport);
4289
4290 /*
4291 * Release the target mode FC NEXUS in
4292 * qla_target.c, if target mod is enabled.
4293 */
4294 qlt_fc_port_deleted(vha, fcport,
4295 base_vha->total_fcport_update_gen);
4296
4297 spin_lock_irqsave(&ha->vport_slock, flags);
4298 }
4299 }
4300 atomic_dec(&vha->vref_count);
4301 }
4302 spin_unlock_irqrestore(&ha->vport_slock, flags);
4303 }
4304
4305 /* Assumes idc_lock always held on entry */
4306 void
4307 qla83xx_reset_ownership(scsi_qla_host_t *vha)
4308 {
4309 struct qla_hw_data *ha = vha->hw;
4310 uint32_t drv_presence, drv_presence_mask;
4311 uint32_t dev_part_info1, dev_part_info2, class_type;
4312 uint32_t class_type_mask = 0x3;
4313 uint16_t fcoe_other_function = 0xffff, i;
4314
4315 if (IS_QLA8044(ha)) {
4316 drv_presence = qla8044_rd_direct(vha,
4317 QLA8044_CRB_DRV_ACTIVE_INDEX);
4318 dev_part_info1 = qla8044_rd_direct(vha,
4319 QLA8044_CRB_DEV_PART_INFO_INDEX);
4320 dev_part_info2 = qla8044_rd_direct(vha,
4321 QLA8044_CRB_DEV_PART_INFO2);
4322 } else {
4323 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4324 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4325 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4326 }
4327 for (i = 0; i < 8; i++) {
4328 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4329 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4330 (i != ha->portnum)) {
4331 fcoe_other_function = i;
4332 break;
4333 }
4334 }
4335 if (fcoe_other_function == 0xffff) {
4336 for (i = 0; i < 8; i++) {
4337 class_type = ((dev_part_info2 >> (i * 4)) &
4338 class_type_mask);
4339 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4340 ((i + 8) != ha->portnum)) {
4341 fcoe_other_function = i + 8;
4342 break;
4343 }
4344 }
4345 }
4346 /*
4347 * Prepare drv-presence mask based on fcoe functions present.
4348 * However consider only valid physical fcoe function numbers (0-15).
4349 */
4350 drv_presence_mask = ~((1 << (ha->portnum)) |
4351 ((fcoe_other_function == 0xffff) ?
4352 0 : (1 << (fcoe_other_function))));
4353
4354 /* We are the reset owner iff:
4355 * - No other protocol drivers present.
4356 * - This is the lowest among fcoe functions. */
4357 if (!(drv_presence & drv_presence_mask) &&
4358 (ha->portnum < fcoe_other_function)) {
4359 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4360 "This host is Reset owner.\n");
4361 ha->flags.nic_core_reset_owner = 1;
4362 }
4363 }
4364
4365 static int
4366 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4367 {
4368 int rval = QLA_SUCCESS;
4369 struct qla_hw_data *ha = vha->hw;
4370 uint32_t drv_ack;
4371
4372 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4373 if (rval == QLA_SUCCESS) {
4374 drv_ack |= (1 << ha->portnum);
4375 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4376 }
4377
4378 return rval;
4379 }
4380
4381 static int
4382 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4383 {
4384 int rval = QLA_SUCCESS;
4385 struct qla_hw_data *ha = vha->hw;
4386 uint32_t drv_ack;
4387
4388 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4389 if (rval == QLA_SUCCESS) {
4390 drv_ack &= ~(1 << ha->portnum);
4391 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4392 }
4393
4394 return rval;
4395 }
4396
4397 static const char *
4398 qla83xx_dev_state_to_string(uint32_t dev_state)
4399 {
4400 switch (dev_state) {
4401 case QLA8XXX_DEV_COLD:
4402 return "COLD/RE-INIT";
4403 case QLA8XXX_DEV_INITIALIZING:
4404 return "INITIALIZING";
4405 case QLA8XXX_DEV_READY:
4406 return "READY";
4407 case QLA8XXX_DEV_NEED_RESET:
4408 return "NEED RESET";
4409 case QLA8XXX_DEV_NEED_QUIESCENT:
4410 return "NEED QUIESCENT";
4411 case QLA8XXX_DEV_FAILED:
4412 return "FAILED";
4413 case QLA8XXX_DEV_QUIESCENT:
4414 return "QUIESCENT";
4415 default:
4416 return "Unknown";
4417 }
4418 }
4419
4420 /* Assumes idc-lock always held on entry */
4421 void
4422 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4423 {
4424 struct qla_hw_data *ha = vha->hw;
4425 uint32_t idc_audit_reg = 0, duration_secs = 0;
4426
4427 switch (audit_type) {
4428 case IDC_AUDIT_TIMESTAMP:
4429 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4430 idc_audit_reg = (ha->portnum) |
4431 (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4432 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4433 break;
4434
4435 case IDC_AUDIT_COMPLETION:
4436 duration_secs = ((jiffies_to_msecs(jiffies) -
4437 jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4438 idc_audit_reg = (ha->portnum) |
4439 (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4440 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4441 break;
4442
4443 default:
4444 ql_log(ql_log_warn, vha, 0xb078,
4445 "Invalid audit type specified.\n");
4446 break;
4447 }
4448 }
4449
4450 /* Assumes idc_lock always held on entry */
4451 static int
4452 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4453 {
4454 struct qla_hw_data *ha = vha->hw;
4455 uint32_t idc_control, dev_state;
4456
4457 __qla83xx_get_idc_control(vha, &idc_control);
4458 if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4459 ql_log(ql_log_info, vha, 0xb080,
4460 "NIC Core reset has been disabled. idc-control=0x%x\n",
4461 idc_control);
4462 return QLA_FUNCTION_FAILED;
4463 }
4464
4465 /* Set NEED-RESET iff in READY state and we are the reset-owner */
4466 qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4467 if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4468 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4469 QLA8XXX_DEV_NEED_RESET);
4470 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4471 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4472 } else {
4473 const char *state = qla83xx_dev_state_to_string(dev_state);
4474 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4475
4476 /* SV: XXX: Is timeout required here? */
4477 /* Wait for IDC state change READY -> NEED_RESET */
4478 while (dev_state == QLA8XXX_DEV_READY) {
4479 qla83xx_idc_unlock(vha, 0);
4480 msleep(200);
4481 qla83xx_idc_lock(vha, 0);
4482 qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4483 }
4484 }
4485
4486 /* Send IDC ack by writing to drv-ack register */
4487 __qla83xx_set_drv_ack(vha);
4488
4489 return QLA_SUCCESS;
4490 }
4491
4492 int
4493 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4494 {
4495 return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4496 }
4497
4498 int
4499 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4500 {
4501 return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4502 }
4503
4504 static int
4505 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4506 {
4507 uint32_t drv_presence = 0;
4508 struct qla_hw_data *ha = vha->hw;
4509
4510 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4511 if (drv_presence & (1 << ha->portnum))
4512 return QLA_SUCCESS;
4513 else
4514 return QLA_TEST_FAILED;
4515 }
4516
4517 int
4518 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4519 {
4520 int rval = QLA_SUCCESS;
4521 struct qla_hw_data *ha = vha->hw;
4522
4523 ql_dbg(ql_dbg_p3p, vha, 0xb058,
4524 "Entered %s().\n", __func__);
4525
4526 if (vha->device_flags & DFLG_DEV_FAILED) {
4527 ql_log(ql_log_warn, vha, 0xb059,
4528 "Device in unrecoverable FAILED state.\n");
4529 return QLA_FUNCTION_FAILED;
4530 }
4531
4532 qla83xx_idc_lock(vha, 0);
4533
4534 if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4535 ql_log(ql_log_warn, vha, 0xb05a,
4536 "Function=0x%x has been removed from IDC participation.\n",
4537 ha->portnum);
4538 rval = QLA_FUNCTION_FAILED;
4539 goto exit;
4540 }
4541
4542 qla83xx_reset_ownership(vha);
4543
4544 rval = qla83xx_initiating_reset(vha);
4545
4546 /*
4547 * Perform reset if we are the reset-owner,
4548 * else wait till IDC state changes to READY/FAILED.
4549 */
4550 if (rval == QLA_SUCCESS) {
4551 rval = qla83xx_idc_state_handler(vha);
4552
4553 if (rval == QLA_SUCCESS)
4554 ha->flags.nic_core_hung = 0;
4555 __qla83xx_clear_drv_ack(vha);
4556 }
4557
4558 exit:
4559 qla83xx_idc_unlock(vha, 0);
4560
4561 ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4562
4563 return rval;
4564 }
4565
4566 int
4567 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4568 {
4569 struct qla_hw_data *ha = vha->hw;
4570 int rval = QLA_FUNCTION_FAILED;
4571
4572 if (!IS_MCTP_CAPABLE(ha)) {
4573 /* This message can be removed from the final version */
4574 ql_log(ql_log_info, vha, 0x506d,
4575 "This board is not MCTP capable\n");
4576 return rval;
4577 }
4578
4579 if (!ha->mctp_dump) {
4580 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4581 MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4582
4583 if (!ha->mctp_dump) {
4584 ql_log(ql_log_warn, vha, 0x506e,
4585 "Failed to allocate memory for mctp dump\n");
4586 return rval;
4587 }
4588 }
4589
4590 #define MCTP_DUMP_STR_ADDR 0x00000000
4591 rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4592 MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4593 if (rval != QLA_SUCCESS) {
4594 ql_log(ql_log_warn, vha, 0x506f,
4595 "Failed to capture mctp dump\n");
4596 } else {
4597 ql_log(ql_log_info, vha, 0x5070,
4598 "Mctp dump capture for host (%ld/%p).\n",
4599 vha->host_no, ha->mctp_dump);
4600 ha->mctp_dumped = 1;
4601 }
4602
4603 if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4604 ha->flags.nic_core_reset_hdlr_active = 1;
4605 rval = qla83xx_restart_nic_firmware(vha);
4606 if (rval)
4607 /* NIC Core reset failed. */
4608 ql_log(ql_log_warn, vha, 0x5071,
4609 "Failed to restart nic firmware\n");
4610 else
4611 ql_dbg(ql_dbg_p3p, vha, 0xb084,
4612 "Restarted NIC firmware successfully.\n");
4613 ha->flags.nic_core_reset_hdlr_active = 0;
4614 }
4615
4616 return rval;
4617
4618 }
4619
4620 /*
4621 * qla2x00_quiesce_io
4622 * Description: This function will block the new I/Os
4623 * Its not aborting any I/Os as context
4624 * is not destroyed during quiescence
4625 * Arguments: scsi_qla_host_t
4626 * return : void
4627 */
4628 void
4629 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4630 {
4631 struct qla_hw_data *ha = vha->hw;
4632 struct scsi_qla_host *vp;
4633
4634 ql_dbg(ql_dbg_dpc, vha, 0x401d,
4635 "Quiescing I/O - ha=%p.\n", ha);
4636
4637 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4638 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4639 atomic_set(&vha->loop_state, LOOP_DOWN);
4640 qla2x00_mark_all_devices_lost(vha, 0);
4641 list_for_each_entry(vp, &ha->vp_list, list)
4642 qla2x00_mark_all_devices_lost(vp, 0);
4643 } else {
4644 if (!atomic_read(&vha->loop_down_timer))
4645 atomic_set(&vha->loop_down_timer,
4646 LOOP_DOWN_TIME);
4647 }
4648 /* Wait for pending cmds to complete */
4649 qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4650 }
4651
4652 void
4653 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4654 {
4655 struct qla_hw_data *ha = vha->hw;
4656 struct scsi_qla_host *vp;
4657 unsigned long flags;
4658 fc_port_t *fcport;
4659
4660 /* For ISP82XX, driver waits for completion of the commands.
4661 * online flag should be set.
4662 */
4663 if (!(IS_P3P_TYPE(ha)))
4664 vha->flags.online = 0;
4665 ha->flags.chip_reset_done = 0;
4666 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4667 vha->qla_stats.total_isp_aborts++;
4668
4669 ql_log(ql_log_info, vha, 0x00af,
4670 "Performing ISP error recovery - ha=%p.\n", ha);
4671
4672 /* For ISP82XX, reset_chip is just disabling interrupts.
4673 * Driver waits for the completion of the commands.
4674 * the interrupts need to be enabled.
4675 */
4676 if (!(IS_P3P_TYPE(ha)))
4677 ha->isp_ops->reset_chip(vha);
4678
4679 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4680 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4681 atomic_set(&vha->loop_state, LOOP_DOWN);
4682 qla2x00_mark_all_devices_lost(vha, 0);
4683
4684 spin_lock_irqsave(&ha->vport_slock, flags);
4685 list_for_each_entry(vp, &ha->vp_list, list) {
4686 atomic_inc(&vp->vref_count);
4687 spin_unlock_irqrestore(&ha->vport_slock, flags);
4688
4689 qla2x00_mark_all_devices_lost(vp, 0);
4690
4691 spin_lock_irqsave(&ha->vport_slock, flags);
4692 atomic_dec(&vp->vref_count);
4693 }
4694 spin_unlock_irqrestore(&ha->vport_slock, flags);
4695 } else {
4696 if (!atomic_read(&vha->loop_down_timer))
4697 atomic_set(&vha->loop_down_timer,
4698 LOOP_DOWN_TIME);
4699 }
4700
4701 /* Clear all async request states across all VPs. */
4702 list_for_each_entry(fcport, &vha->vp_fcports, list)
4703 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4704 spin_lock_irqsave(&ha->vport_slock, flags);
4705 list_for_each_entry(vp, &ha->vp_list, list) {
4706 atomic_inc(&vp->vref_count);
4707 spin_unlock_irqrestore(&ha->vport_slock, flags);
4708
4709 list_for_each_entry(fcport, &vp->vp_fcports, list)
4710 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4711
4712 spin_lock_irqsave(&ha->vport_slock, flags);
4713 atomic_dec(&vp->vref_count);
4714 }
4715 spin_unlock_irqrestore(&ha->vport_slock, flags);
4716
4717 if (!ha->flags.eeh_busy) {
4718 /* Make sure for ISP 82XX IO DMA is complete */
4719 if (IS_P3P_TYPE(ha)) {
4720 qla82xx_chip_reset_cleanup(vha);
4721 ql_log(ql_log_info, vha, 0x00b4,
4722 "Done chip reset cleanup.\n");
4723
4724 /* Done waiting for pending commands.
4725 * Reset the online flag.
4726 */
4727 vha->flags.online = 0;
4728 }
4729
4730 /* Requeue all commands in outstanding command list. */
4731 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4732 }
4733
4734 ha->chip_reset++;
4735 /* memory barrier */
4736 wmb();
4737 }
4738
4739 /*
4740 * qla2x00_abort_isp
4741 * Resets ISP and aborts all outstanding commands.
4742 *
4743 * Input:
4744 * ha = adapter block pointer.
4745 *
4746 * Returns:
4747 * 0 = success
4748 */
4749 int
4750 qla2x00_abort_isp(scsi_qla_host_t *vha)
4751 {
4752 int rval;
4753 uint8_t status = 0;
4754 struct qla_hw_data *ha = vha->hw;
4755 struct scsi_qla_host *vp;
4756 struct req_que *req = ha->req_q_map[0];
4757 unsigned long flags;
4758
4759 if (vha->flags.online) {
4760 qla2x00_abort_isp_cleanup(vha);
4761
4762 if (IS_QLA8031(ha)) {
4763 ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4764 "Clearing fcoe driver presence.\n");
4765 if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4766 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4767 "Error while clearing DRV-Presence.\n");
4768 }
4769
4770 if (unlikely(pci_channel_offline(ha->pdev) &&
4771 ha->flags.pci_channel_io_perm_failure)) {
4772 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4773 status = 0;
4774 return status;
4775 }
4776
4777 ha->isp_ops->get_flash_version(vha, req->ring);
4778
4779 ha->isp_ops->nvram_config(vha);
4780
4781 if (!qla2x00_restart_isp(vha)) {
4782 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4783
4784 if (!atomic_read(&vha->loop_down_timer)) {
4785 /*
4786 * Issue marker command only when we are going
4787 * to start the I/O .
4788 */
4789 vha->marker_needed = 1;
4790 }
4791
4792 vha->flags.online = 1;
4793
4794 ha->isp_ops->enable_intrs(ha);
4795
4796 ha->isp_abort_cnt = 0;
4797 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4798
4799 if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4800 qla2x00_get_fw_version(vha);
4801 if (ha->fce) {
4802 ha->flags.fce_enabled = 1;
4803 memset(ha->fce, 0,
4804 fce_calc_size(ha->fce_bufs));
4805 rval = qla2x00_enable_fce_trace(vha,
4806 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4807 &ha->fce_bufs);
4808 if (rval) {
4809 ql_log(ql_log_warn, vha, 0x8033,
4810 "Unable to reinitialize FCE "
4811 "(%d).\n", rval);
4812 ha->flags.fce_enabled = 0;
4813 }
4814 }
4815
4816 if (ha->eft) {
4817 memset(ha->eft, 0, EFT_SIZE);
4818 rval = qla2x00_enable_eft_trace(vha,
4819 ha->eft_dma, EFT_NUM_BUFFERS);
4820 if (rval) {
4821 ql_log(ql_log_warn, vha, 0x8034,
4822 "Unable to reinitialize EFT "
4823 "(%d).\n", rval);
4824 }
4825 }
4826 } else { /* failed the ISP abort */
4827 vha->flags.online = 1;
4828 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4829 if (ha->isp_abort_cnt == 0) {
4830 ql_log(ql_log_fatal, vha, 0x8035,
4831 "ISP error recover failed - "
4832 "board disabled.\n");
4833 /*
4834 * The next call disables the board
4835 * completely.
4836 */
4837 ha->isp_ops->reset_adapter(vha);
4838 vha->flags.online = 0;
4839 clear_bit(ISP_ABORT_RETRY,
4840 &vha->dpc_flags);
4841 status = 0;
4842 } else { /* schedule another ISP abort */
4843 ha->isp_abort_cnt--;
4844 ql_dbg(ql_dbg_taskm, vha, 0x8020,
4845 "ISP abort - retry remaining %d.\n",
4846 ha->isp_abort_cnt);
4847 status = 1;
4848 }
4849 } else {
4850 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4851 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4852 "ISP error recovery - retrying (%d) "
4853 "more times.\n", ha->isp_abort_cnt);
4854 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4855 status = 1;
4856 }
4857 }
4858
4859 }
4860
4861 if (!status) {
4862 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4863
4864 spin_lock_irqsave(&ha->vport_slock, flags);
4865 list_for_each_entry(vp, &ha->vp_list, list) {
4866 if (vp->vp_idx) {
4867 atomic_inc(&vp->vref_count);
4868 spin_unlock_irqrestore(&ha->vport_slock, flags);
4869
4870 qla2x00_vp_abort_isp(vp);
4871
4872 spin_lock_irqsave(&ha->vport_slock, flags);
4873 atomic_dec(&vp->vref_count);
4874 }
4875 }
4876 spin_unlock_irqrestore(&ha->vport_slock, flags);
4877
4878 if (IS_QLA8031(ha)) {
4879 ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4880 "Setting back fcoe driver presence.\n");
4881 if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4882 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4883 "Error while setting DRV-Presence.\n");
4884 }
4885 } else {
4886 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4887 __func__);
4888 }
4889
4890 return(status);
4891 }
4892
4893 /*
4894 * qla2x00_restart_isp
4895 * restarts the ISP after a reset
4896 *
4897 * Input:
4898 * ha = adapter block pointer.
4899 *
4900 * Returns:
4901 * 0 = success
4902 */
4903 static int
4904 qla2x00_restart_isp(scsi_qla_host_t *vha)
4905 {
4906 int status = 0;
4907 struct qla_hw_data *ha = vha->hw;
4908 struct req_que *req = ha->req_q_map[0];
4909 struct rsp_que *rsp = ha->rsp_q_map[0];
4910 unsigned long flags;
4911
4912 /* If firmware needs to be loaded */
4913 if (qla2x00_isp_firmware(vha)) {
4914 vha->flags.online = 0;
4915 status = ha->isp_ops->chip_diag(vha);
4916 if (!status)
4917 status = qla2x00_setup_chip(vha);
4918 }
4919
4920 if (!status && !(status = qla2x00_init_rings(vha))) {
4921 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4922 ha->flags.chip_reset_done = 1;
4923
4924 /* Initialize the queues in use */
4925 qla25xx_init_queues(ha);
4926
4927 status = qla2x00_fw_ready(vha);
4928 if (!status) {
4929 /* Issue a marker after FW becomes ready. */
4930 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4931
4932 vha->flags.online = 1;
4933
4934 /*
4935 * Process any ATIO queue entries that came in
4936 * while we weren't online.
4937 */
4938 spin_lock_irqsave(&ha->hardware_lock, flags);
4939 if (qla_tgt_mode_enabled(vha))
4940 qlt_24xx_process_atio_queue(vha);
4941 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4942
4943 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4944 }
4945
4946 /* if no cable then assume it's good */
4947 if ((vha->device_flags & DFLG_NO_CABLE))
4948 status = 0;
4949 }
4950 return (status);
4951 }
4952
4953 static int
4954 qla25xx_init_queues(struct qla_hw_data *ha)
4955 {
4956 struct rsp_que *rsp = NULL;
4957 struct req_que *req = NULL;
4958 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4959 int ret = -1;
4960 int i;
4961
4962 for (i = 1; i < ha->max_rsp_queues; i++) {
4963 rsp = ha->rsp_q_map[i];
4964 if (rsp) {
4965 rsp->options &= ~BIT_0;
4966 ret = qla25xx_init_rsp_que(base_vha, rsp);
4967 if (ret != QLA_SUCCESS)
4968 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4969 "%s Rsp que: %d init failed.\n",
4970 __func__, rsp->id);
4971 else
4972 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4973 "%s Rsp que: %d inited.\n",
4974 __func__, rsp->id);
4975 }
4976 }
4977 for (i = 1; i < ha->max_req_queues; i++) {
4978 req = ha->req_q_map[i];
4979 if (req) {
4980 /* Clear outstanding commands array. */
4981 req->options &= ~BIT_0;
4982 ret = qla25xx_init_req_que(base_vha, req);
4983 if (ret != QLA_SUCCESS)
4984 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4985 "%s Req que: %d init failed.\n",
4986 __func__, req->id);
4987 else
4988 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4989 "%s Req que: %d inited.\n",
4990 __func__, req->id);
4991 }
4992 }
4993 return ret;
4994 }
4995
4996 /*
4997 * qla2x00_reset_adapter
4998 * Reset adapter.
4999 *
5000 * Input:
5001 * ha = adapter block pointer.
5002 */
5003 void
5004 qla2x00_reset_adapter(scsi_qla_host_t *vha)
5005 {
5006 unsigned long flags = 0;
5007 struct qla_hw_data *ha = vha->hw;
5008 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5009
5010 vha->flags.online = 0;
5011 ha->isp_ops->disable_intrs(ha);
5012
5013 spin_lock_irqsave(&ha->hardware_lock, flags);
5014 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
5015 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
5016 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
5017 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
5018 spin_unlock_irqrestore(&ha->hardware_lock, flags);
5019 }
5020
5021 void
5022 qla24xx_reset_adapter(scsi_qla_host_t *vha)
5023 {
5024 unsigned long flags = 0;
5025 struct qla_hw_data *ha = vha->hw;
5026 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
5027
5028 if (IS_P3P_TYPE(ha))
5029 return;
5030
5031 vha->flags.online = 0;
5032 ha->isp_ops->disable_intrs(ha);
5033
5034 spin_lock_irqsave(&ha->hardware_lock, flags);
5035 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
5036 RD_REG_DWORD(&reg->hccr);
5037 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
5038 RD_REG_DWORD(&reg->hccr);
5039 spin_unlock_irqrestore(&ha->hardware_lock, flags);
5040
5041 if (IS_NOPOLLING_TYPE(ha))
5042 ha->isp_ops->enable_intrs(ha);
5043 }
5044
5045 /* On sparc systems, obtain port and node WWN from firmware
5046 * properties.
5047 */
5048 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
5049 struct nvram_24xx *nv)
5050 {
5051 #ifdef CONFIG_SPARC
5052 struct qla_hw_data *ha = vha->hw;
5053 struct pci_dev *pdev = ha->pdev;
5054 struct device_node *dp = pci_device_to_OF_node(pdev);
5055 const u8 *val;
5056 int len;
5057
5058 val = of_get_property(dp, "port-wwn", &len);
5059 if (val && len >= WWN_SIZE)
5060 memcpy(nv->port_name, val, WWN_SIZE);
5061
5062 val = of_get_property(dp, "node-wwn", &len);
5063 if (val && len >= WWN_SIZE)
5064 memcpy(nv->node_name, val, WWN_SIZE);
5065 #endif
5066 }
5067
5068 int
5069 qla24xx_nvram_config(scsi_qla_host_t *vha)
5070 {
5071 int rval;
5072 struct init_cb_24xx *icb;
5073 struct nvram_24xx *nv;
5074 uint32_t *dptr;
5075 uint8_t *dptr1, *dptr2;
5076 uint32_t chksum;
5077 uint16_t cnt;
5078 struct qla_hw_data *ha = vha->hw;
5079
5080 rval = QLA_SUCCESS;
5081 icb = (struct init_cb_24xx *)ha->init_cb;
5082 nv = ha->nvram;
5083
5084 /* Determine NVRAM starting address. */
5085 if (ha->port_no == 0) {
5086 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
5087 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
5088 } else {
5089 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
5090 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
5091 }
5092
5093 ha->nvram_size = sizeof(struct nvram_24xx);
5094 ha->vpd_size = FA_NVRAM_VPD_SIZE;
5095
5096 /* Get VPD data into cache */
5097 ha->vpd = ha->nvram + VPD_OFFSET;
5098 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
5099 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
5100
5101 /* Get NVRAM data into cache and calculate checksum. */
5102 dptr = (uint32_t *)nv;
5103 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
5104 ha->nvram_size);
5105 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5106 chksum += le32_to_cpu(*dptr++);
5107
5108 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
5109 "Contents of NVRAM\n");
5110 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
5111 (uint8_t *)nv, ha->nvram_size);
5112
5113 /* Bad NVRAM data, set defaults parameters. */
5114 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5115 || nv->id[3] != ' ' ||
5116 nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
5117 /* Reset NVRAM data. */
5118 ql_log(ql_log_warn, vha, 0x006b,
5119 "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5120 "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
5121 ql_log(ql_log_warn, vha, 0x006c,
5122 "Falling back to functioning (yet invalid -- WWPN) "
5123 "defaults.\n");
5124
5125 /*
5126 * Set default initialization control block.
5127 */
5128 memset(nv, 0, ha->nvram_size);
5129 nv->nvram_version = cpu_to_le16(ICB_VERSION);
5130 nv->version = cpu_to_le16(ICB_VERSION);
5131 nv->frame_payload_size = 2048;
5132 nv->execution_throttle = cpu_to_le16(0xFFFF);
5133 nv->exchange_count = cpu_to_le16(0);
5134 nv->hard_address = cpu_to_le16(124);
5135 nv->port_name[0] = 0x21;
5136 nv->port_name[1] = 0x00 + ha->port_no + 1;
5137 nv->port_name[2] = 0x00;
5138 nv->port_name[3] = 0xe0;
5139 nv->port_name[4] = 0x8b;
5140 nv->port_name[5] = 0x1c;
5141 nv->port_name[6] = 0x55;
5142 nv->port_name[7] = 0x86;
5143 nv->node_name[0] = 0x20;
5144 nv->node_name[1] = 0x00;
5145 nv->node_name[2] = 0x00;
5146 nv->node_name[3] = 0xe0;
5147 nv->node_name[4] = 0x8b;
5148 nv->node_name[5] = 0x1c;
5149 nv->node_name[6] = 0x55;
5150 nv->node_name[7] = 0x86;
5151 qla24xx_nvram_wwn_from_ofw(vha, nv);
5152 nv->login_retry_count = cpu_to_le16(8);
5153 nv->interrupt_delay_timer = cpu_to_le16(0);
5154 nv->login_timeout = cpu_to_le16(0);
5155 nv->firmware_options_1 =
5156 cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5157 nv->firmware_options_2 = cpu_to_le32(2 << 4);
5158 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
5159 nv->firmware_options_3 = cpu_to_le32(2 << 13);
5160 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
5161 nv->efi_parameters = cpu_to_le32(0);
5162 nv->reset_delay = 5;
5163 nv->max_luns_per_target = cpu_to_le16(128);
5164 nv->port_down_retry_count = cpu_to_le16(30);
5165 nv->link_down_timeout = cpu_to_le16(30);
5166
5167 rval = 1;
5168 }
5169
5170 if (!qla_ini_mode_enabled(vha)) {
5171 /* Don't enable full login after initial LIP */
5172 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
5173 /* Don't enable LIP full login for initiator */
5174 nv->host_p &= cpu_to_le32(~BIT_10);
5175 }
5176
5177 qlt_24xx_config_nvram_stage1(vha, nv);
5178
5179 /* Reset Initialization control block */
5180 memset(icb, 0, ha->init_cb_size);
5181
5182 /* Copy 1st segment. */
5183 dptr1 = (uint8_t *)icb;
5184 dptr2 = (uint8_t *)&nv->version;
5185 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5186 while (cnt--)
5187 *dptr1++ = *dptr2++;
5188
5189 icb->login_retry_count = nv->login_retry_count;
5190 icb->link_down_on_nos = nv->link_down_on_nos;
5191
5192 /* Copy 2nd segment. */
5193 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5194 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5195 cnt = (uint8_t *)&icb->reserved_3 -
5196 (uint8_t *)&icb->interrupt_delay_timer;
5197 while (cnt--)
5198 *dptr1++ = *dptr2++;
5199
5200 /*
5201 * Setup driver NVRAM options.
5202 */
5203 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5204 "QLA2462");
5205
5206 qlt_24xx_config_nvram_stage2(vha, icb);
5207
5208 if (nv->host_p & cpu_to_le32(BIT_15)) {
5209 /* Use alternate WWN? */
5210 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5211 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5212 }
5213
5214 /* Prepare nodename */
5215 if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
5216 /*
5217 * Firmware will apply the following mask if the nodename was
5218 * not provided.
5219 */
5220 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5221 icb->node_name[0] &= 0xF0;
5222 }
5223
5224 /* Set host adapter parameters. */
5225 ha->flags.disable_risc_code_load = 0;
5226 ha->flags.enable_lip_reset = 0;
5227 ha->flags.enable_lip_full_login =
5228 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5229 ha->flags.enable_target_reset =
5230 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5231 ha->flags.enable_led_scheme = 0;
5232 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5233
5234 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5235 (BIT_6 | BIT_5 | BIT_4)) >> 4;
5236
5237 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
5238 sizeof(ha->fw_seriallink_options24));
5239
5240 /* save HBA serial number */
5241 ha->serial0 = icb->port_name[5];
5242 ha->serial1 = icb->port_name[6];
5243 ha->serial2 = icb->port_name[7];
5244 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5245 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5246
5247 icb->execution_throttle = cpu_to_le16(0xFFFF);
5248
5249 ha->retry_count = le16_to_cpu(nv->login_retry_count);
5250
5251 /* Set minimum login_timeout to 4 seconds. */
5252 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5253 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5254 if (le16_to_cpu(nv->login_timeout) < 4)
5255 nv->login_timeout = cpu_to_le16(4);
5256 ha->login_timeout = le16_to_cpu(nv->login_timeout);
5257 icb->login_timeout = nv->login_timeout;
5258
5259 /* Set minimum RATOV to 100 tenths of a second. */
5260 ha->r_a_tov = 100;
5261
5262 ha->loop_reset_delay = nv->reset_delay;
5263
5264 /* Link Down Timeout = 0:
5265 *
5266 * When Port Down timer expires we will start returning
5267 * I/O's to OS with "DID_NO_CONNECT".
5268 *
5269 * Link Down Timeout != 0:
5270 *
5271 * The driver waits for the link to come up after link down
5272 * before returning I/Os to OS with "DID_NO_CONNECT".
5273 */
5274 if (le16_to_cpu(nv->link_down_timeout) == 0) {
5275 ha->loop_down_abort_time =
5276 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5277 } else {
5278 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5279 ha->loop_down_abort_time =
5280 (LOOP_DOWN_TIME - ha->link_down_timeout);
5281 }
5282
5283 /* Need enough time to try and get the port back. */
5284 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5285 if (qlport_down_retry)
5286 ha->port_down_retry_count = qlport_down_retry;
5287
5288 /* Set login_retry_count */
5289 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
5290 if (ha->port_down_retry_count ==
5291 le16_to_cpu(nv->port_down_retry_count) &&
5292 ha->port_down_retry_count > 3)
5293 ha->login_retry_count = ha->port_down_retry_count;
5294 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5295 ha->login_retry_count = ha->port_down_retry_count;
5296 if (ql2xloginretrycount)
5297 ha->login_retry_count = ql2xloginretrycount;
5298
5299 /* Enable ZIO. */
5300 if (!vha->flags.init_done) {
5301 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5302 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5303 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5304 le16_to_cpu(icb->interrupt_delay_timer): 2;
5305 }
5306 icb->firmware_options_2 &= cpu_to_le32(
5307 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5308 vha->flags.process_response_queue = 0;
5309 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5310 ha->zio_mode = QLA_ZIO_MODE_6;
5311
5312 ql_log(ql_log_info, vha, 0x006f,
5313 "ZIO mode %d enabled; timer delay (%d us).\n",
5314 ha->zio_mode, ha->zio_timer * 100);
5315
5316 icb->firmware_options_2 |= cpu_to_le32(
5317 (uint32_t)ha->zio_mode);
5318 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5319 vha->flags.process_response_queue = 1;
5320 }
5321
5322 if (rval) {
5323 ql_log(ql_log_warn, vha, 0x0070,
5324 "NVRAM configuration failed.\n");
5325 }
5326 return (rval);
5327 }
5328
5329 static int
5330 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5331 uint32_t faddr)
5332 {
5333 int rval = QLA_SUCCESS;
5334 int segments, fragment;
5335 uint32_t *dcode, dlen;
5336 uint32_t risc_addr;
5337 uint32_t risc_size;
5338 uint32_t i;
5339 struct qla_hw_data *ha = vha->hw;
5340 struct req_que *req = ha->req_q_map[0];
5341
5342 ql_dbg(ql_dbg_init, vha, 0x008b,
5343 "FW: Loading firmware from flash (%x).\n", faddr);
5344
5345 rval = QLA_SUCCESS;
5346
5347 segments = FA_RISC_CODE_SEGMENTS;
5348 dcode = (uint32_t *)req->ring;
5349 *srisc_addr = 0;
5350
5351 /* Validate firmware image by checking version. */
5352 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5353 for (i = 0; i < 4; i++)
5354 dcode[i] = be32_to_cpu(dcode[i]);
5355 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5356 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5357 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5358 dcode[3] == 0)) {
5359 ql_log(ql_log_fatal, vha, 0x008c,
5360 "Unable to verify the integrity of flash firmware "
5361 "image.\n");
5362 ql_log(ql_log_fatal, vha, 0x008d,
5363 "Firmware data: %08x %08x %08x %08x.\n",
5364 dcode[0], dcode[1], dcode[2], dcode[3]);
5365
5366 return QLA_FUNCTION_FAILED;
5367 }
5368
5369 while (segments && rval == QLA_SUCCESS) {
5370 /* Read segment's load information. */
5371 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5372
5373 risc_addr = be32_to_cpu(dcode[2]);
5374 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5375 risc_size = be32_to_cpu(dcode[3]);
5376
5377 fragment = 0;
5378 while (risc_size > 0 && rval == QLA_SUCCESS) {
5379 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5380 if (dlen > risc_size)
5381 dlen = risc_size;
5382
5383 ql_dbg(ql_dbg_init, vha, 0x008e,
5384 "Loading risc segment@ risc addr %x "
5385 "number of dwords 0x%x offset 0x%x.\n",
5386 risc_addr, dlen, faddr);
5387
5388 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5389 for (i = 0; i < dlen; i++)
5390 dcode[i] = swab32(dcode[i]);
5391
5392 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5393 dlen);
5394 if (rval) {
5395 ql_log(ql_log_fatal, vha, 0x008f,
5396 "Failed to load segment %d of firmware.\n",
5397 fragment);
5398 return QLA_FUNCTION_FAILED;
5399 }
5400
5401 faddr += dlen;
5402 risc_addr += dlen;
5403 risc_size -= dlen;
5404 fragment++;
5405 }
5406
5407 /* Next segment. */
5408 segments--;
5409 }
5410
5411 if (!IS_QLA27XX(ha))
5412 return rval;
5413
5414 if (ha->fw_dump_template)
5415 vfree(ha->fw_dump_template);
5416 ha->fw_dump_template = NULL;
5417 ha->fw_dump_template_len = 0;
5418
5419 ql_dbg(ql_dbg_init, vha, 0x0161,
5420 "Loading fwdump template from %x\n", faddr);
5421 qla24xx_read_flash_data(vha, dcode, faddr, 7);
5422 risc_size = be32_to_cpu(dcode[2]);
5423 ql_dbg(ql_dbg_init, vha, 0x0162,
5424 "-> array size %x dwords\n", risc_size);
5425 if (risc_size == 0 || risc_size == ~0)
5426 goto default_template;
5427
5428 dlen = (risc_size - 8) * sizeof(*dcode);
5429 ql_dbg(ql_dbg_init, vha, 0x0163,
5430 "-> template allocating %x bytes...\n", dlen);
5431 ha->fw_dump_template = vmalloc(dlen);
5432 if (!ha->fw_dump_template) {
5433 ql_log(ql_log_warn, vha, 0x0164,
5434 "Failed fwdump template allocate %x bytes.\n", risc_size);
5435 goto default_template;
5436 }
5437
5438 faddr += 7;
5439 risc_size -= 8;
5440 dcode = ha->fw_dump_template;
5441 qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
5442 for (i = 0; i < risc_size; i++)
5443 dcode[i] = le32_to_cpu(dcode[i]);
5444
5445 if (!qla27xx_fwdt_template_valid(dcode)) {
5446 ql_log(ql_log_warn, vha, 0x0165,
5447 "Failed fwdump template validate\n");
5448 goto default_template;
5449 }
5450
5451 dlen = qla27xx_fwdt_template_size(dcode);
5452 ql_dbg(ql_dbg_init, vha, 0x0166,
5453 "-> template size %x bytes\n", dlen);
5454 if (dlen > risc_size * sizeof(*dcode)) {
5455 ql_log(ql_log_warn, vha, 0x0167,
5456 "Failed fwdump template exceeds array by %x bytes\n",
5457 (uint32_t)(dlen - risc_size * sizeof(*dcode)));
5458 goto default_template;
5459 }
5460 ha->fw_dump_template_len = dlen;
5461 return rval;
5462
5463 default_template:
5464 ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
5465 if (ha->fw_dump_template)
5466 vfree(ha->fw_dump_template);
5467 ha->fw_dump_template = NULL;
5468 ha->fw_dump_template_len = 0;
5469
5470 dlen = qla27xx_fwdt_template_default_size();
5471 ql_dbg(ql_dbg_init, vha, 0x0169,
5472 "-> template allocating %x bytes...\n", dlen);
5473 ha->fw_dump_template = vmalloc(dlen);
5474 if (!ha->fw_dump_template) {
5475 ql_log(ql_log_warn, vha, 0x016a,
5476 "Failed fwdump template allocate %x bytes.\n", risc_size);
5477 goto failed_template;
5478 }
5479
5480 dcode = ha->fw_dump_template;
5481 risc_size = dlen / sizeof(*dcode);
5482 memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
5483 for (i = 0; i < risc_size; i++)
5484 dcode[i] = be32_to_cpu(dcode[i]);
5485
5486 if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5487 ql_log(ql_log_warn, vha, 0x016b,
5488 "Failed fwdump template validate\n");
5489 goto failed_template;
5490 }
5491
5492 dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5493 ql_dbg(ql_dbg_init, vha, 0x016c,
5494 "-> template size %x bytes\n", dlen);
5495 ha->fw_dump_template_len = dlen;
5496 return rval;
5497
5498 failed_template:
5499 ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
5500 if (ha->fw_dump_template)
5501 vfree(ha->fw_dump_template);
5502 ha->fw_dump_template = NULL;
5503 ha->fw_dump_template_len = 0;
5504 return rval;
5505 }
5506
5507 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5508
5509 int
5510 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5511 {
5512 int rval;
5513 int i, fragment;
5514 uint16_t *wcode, *fwcode;
5515 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5516 struct fw_blob *blob;
5517 struct qla_hw_data *ha = vha->hw;
5518 struct req_que *req = ha->req_q_map[0];
5519
5520 /* Load firmware blob. */
5521 blob = qla2x00_request_firmware(vha);
5522 if (!blob) {
5523 ql_log(ql_log_info, vha, 0x0083,
5524 "Firmware image unavailable.\n");
5525 ql_log(ql_log_info, vha, 0x0084,
5526 "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5527 return QLA_FUNCTION_FAILED;
5528 }
5529
5530 rval = QLA_SUCCESS;
5531
5532 wcode = (uint16_t *)req->ring;
5533 *srisc_addr = 0;
5534 fwcode = (uint16_t *)blob->fw->data;
5535 fwclen = 0;
5536
5537 /* Validate firmware image by checking version. */
5538 if (blob->fw->size < 8 * sizeof(uint16_t)) {
5539 ql_log(ql_log_fatal, vha, 0x0085,
5540 "Unable to verify integrity of firmware image (%Zd).\n",
5541 blob->fw->size);
5542 goto fail_fw_integrity;
5543 }
5544 for (i = 0; i < 4; i++)
5545 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5546 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5547 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5548 wcode[2] == 0 && wcode[3] == 0)) {
5549 ql_log(ql_log_fatal, vha, 0x0086,
5550 "Unable to verify integrity of firmware image.\n");
5551 ql_log(ql_log_fatal, vha, 0x0087,
5552 "Firmware data: %04x %04x %04x %04x.\n",
5553 wcode[0], wcode[1], wcode[2], wcode[3]);
5554 goto fail_fw_integrity;
5555 }
5556
5557 seg = blob->segs;
5558 while (*seg && rval == QLA_SUCCESS) {
5559 risc_addr = *seg;
5560 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5561 risc_size = be16_to_cpu(fwcode[3]);
5562
5563 /* Validate firmware image size. */
5564 fwclen += risc_size * sizeof(uint16_t);
5565 if (blob->fw->size < fwclen) {
5566 ql_log(ql_log_fatal, vha, 0x0088,
5567 "Unable to verify integrity of firmware image "
5568 "(%Zd).\n", blob->fw->size);
5569 goto fail_fw_integrity;
5570 }
5571
5572 fragment = 0;
5573 while (risc_size > 0 && rval == QLA_SUCCESS) {
5574 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5575 if (wlen > risc_size)
5576 wlen = risc_size;
5577 ql_dbg(ql_dbg_init, vha, 0x0089,
5578 "Loading risc segment@ risc addr %x number of "
5579 "words 0x%x.\n", risc_addr, wlen);
5580
5581 for (i = 0; i < wlen; i++)
5582 wcode[i] = swab16(fwcode[i]);
5583
5584 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5585 wlen);
5586 if (rval) {
5587 ql_log(ql_log_fatal, vha, 0x008a,
5588 "Failed to load segment %d of firmware.\n",
5589 fragment);
5590 break;
5591 }
5592
5593 fwcode += wlen;
5594 risc_addr += wlen;
5595 risc_size -= wlen;
5596 fragment++;
5597 }
5598
5599 /* Next segment. */
5600 seg++;
5601 }
5602 return rval;
5603
5604 fail_fw_integrity:
5605 return QLA_FUNCTION_FAILED;
5606 }
5607
5608 static int
5609 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5610 {
5611 int rval;
5612 int segments, fragment;
5613 uint32_t *dcode, dlen;
5614 uint32_t risc_addr;
5615 uint32_t risc_size;
5616 uint32_t i;
5617 struct fw_blob *blob;
5618 const uint32_t *fwcode;
5619 uint32_t fwclen;
5620 struct qla_hw_data *ha = vha->hw;
5621 struct req_que *req = ha->req_q_map[0];
5622
5623 /* Load firmware blob. */
5624 blob = qla2x00_request_firmware(vha);
5625 if (!blob) {
5626 ql_log(ql_log_warn, vha, 0x0090,
5627 "Firmware image unavailable.\n");
5628 ql_log(ql_log_warn, vha, 0x0091,
5629 "Firmware images can be retrieved from: "
5630 QLA_FW_URL ".\n");
5631
5632 return QLA_FUNCTION_FAILED;
5633 }
5634
5635 ql_dbg(ql_dbg_init, vha, 0x0092,
5636 "FW: Loading via request-firmware.\n");
5637
5638 rval = QLA_SUCCESS;
5639
5640 segments = FA_RISC_CODE_SEGMENTS;
5641 dcode = (uint32_t *)req->ring;
5642 *srisc_addr = 0;
5643 fwcode = (uint32_t *)blob->fw->data;
5644 fwclen = 0;
5645
5646 /* Validate firmware image by checking version. */
5647 if (blob->fw->size < 8 * sizeof(uint32_t)) {
5648 ql_log(ql_log_fatal, vha, 0x0093,
5649 "Unable to verify integrity of firmware image (%Zd).\n",
5650 blob->fw->size);
5651 return QLA_FUNCTION_FAILED;
5652 }
5653 for (i = 0; i < 4; i++)
5654 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5655 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5656 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5657 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5658 dcode[3] == 0)) {
5659 ql_log(ql_log_fatal, vha, 0x0094,
5660 "Unable to verify integrity of firmware image (%Zd).\n",
5661 blob->fw->size);
5662 ql_log(ql_log_fatal, vha, 0x0095,
5663 "Firmware data: %08x %08x %08x %08x.\n",
5664 dcode[0], dcode[1], dcode[2], dcode[3]);
5665 return QLA_FUNCTION_FAILED;
5666 }
5667
5668 while (segments && rval == QLA_SUCCESS) {
5669 risc_addr = be32_to_cpu(fwcode[2]);
5670 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5671 risc_size = be32_to_cpu(fwcode[3]);
5672
5673 /* Validate firmware image size. */
5674 fwclen += risc_size * sizeof(uint32_t);
5675 if (blob->fw->size < fwclen) {
5676 ql_log(ql_log_fatal, vha, 0x0096,
5677 "Unable to verify integrity of firmware image "
5678 "(%Zd).\n", blob->fw->size);
5679 return QLA_FUNCTION_FAILED;
5680 }
5681
5682 fragment = 0;
5683 while (risc_size > 0 && rval == QLA_SUCCESS) {
5684 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5685 if (dlen > risc_size)
5686 dlen = risc_size;
5687
5688 ql_dbg(ql_dbg_init, vha, 0x0097,
5689 "Loading risc segment@ risc addr %x "
5690 "number of dwords 0x%x.\n", risc_addr, dlen);
5691
5692 for (i = 0; i < dlen; i++)
5693 dcode[i] = swab32(fwcode[i]);
5694
5695 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5696 dlen);
5697 if (rval) {
5698 ql_log(ql_log_fatal, vha, 0x0098,
5699 "Failed to load segment %d of firmware.\n",
5700 fragment);
5701 return QLA_FUNCTION_FAILED;
5702 }
5703
5704 fwcode += dlen;
5705 risc_addr += dlen;
5706 risc_size -= dlen;
5707 fragment++;
5708 }
5709
5710 /* Next segment. */
5711 segments--;
5712 }
5713
5714 if (!IS_QLA27XX(ha))
5715 return rval;
5716
5717 if (ha->fw_dump_template)
5718 vfree(ha->fw_dump_template);
5719 ha->fw_dump_template = NULL;
5720 ha->fw_dump_template_len = 0;
5721
5722 ql_dbg(ql_dbg_init, vha, 0x171,
5723 "Loading fwdump template from %x\n",
5724 (uint32_t)((void *)fwcode - (void *)blob->fw->data));
5725 risc_size = be32_to_cpu(fwcode[2]);
5726 ql_dbg(ql_dbg_init, vha, 0x172,
5727 "-> array size %x dwords\n", risc_size);
5728 if (risc_size == 0 || risc_size == ~0)
5729 goto default_template;
5730
5731 dlen = (risc_size - 8) * sizeof(*fwcode);
5732 ql_dbg(ql_dbg_init, vha, 0x0173,
5733 "-> template allocating %x bytes...\n", dlen);
5734 ha->fw_dump_template = vmalloc(dlen);
5735 if (!ha->fw_dump_template) {
5736 ql_log(ql_log_warn, vha, 0x0174,
5737 "Failed fwdump template allocate %x bytes.\n", risc_size);
5738 goto default_template;
5739 }
5740
5741 fwcode += 7;
5742 risc_size -= 8;
5743 dcode = ha->fw_dump_template;
5744 for (i = 0; i < risc_size; i++)
5745 dcode[i] = le32_to_cpu(fwcode[i]);
5746
5747 if (!qla27xx_fwdt_template_valid(dcode)) {
5748 ql_log(ql_log_warn, vha, 0x0175,
5749 "Failed fwdump template validate\n");
5750 goto default_template;
5751 }
5752
5753 dlen = qla27xx_fwdt_template_size(dcode);
5754 ql_dbg(ql_dbg_init, vha, 0x0176,
5755 "-> template size %x bytes\n", dlen);
5756 if (dlen > risc_size * sizeof(*fwcode)) {
5757 ql_log(ql_log_warn, vha, 0x0177,
5758 "Failed fwdump template exceeds array by %x bytes\n",
5759 (uint32_t)(dlen - risc_size * sizeof(*fwcode)));
5760 goto default_template;
5761 }
5762 ha->fw_dump_template_len = dlen;
5763 return rval;
5764
5765 default_template:
5766 ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
5767 if (ha->fw_dump_template)
5768 vfree(ha->fw_dump_template);
5769 ha->fw_dump_template = NULL;
5770 ha->fw_dump_template_len = 0;
5771
5772 dlen = qla27xx_fwdt_template_default_size();
5773 ql_dbg(ql_dbg_init, vha, 0x0179,
5774 "-> template allocating %x bytes...\n", dlen);
5775 ha->fw_dump_template = vmalloc(dlen);
5776 if (!ha->fw_dump_template) {
5777 ql_log(ql_log_warn, vha, 0x017a,
5778 "Failed fwdump template allocate %x bytes.\n", risc_size);
5779 goto failed_template;
5780 }
5781
5782 dcode = ha->fw_dump_template;
5783 risc_size = dlen / sizeof(*fwcode);
5784 fwcode = qla27xx_fwdt_template_default();
5785 for (i = 0; i < risc_size; i++)
5786 dcode[i] = be32_to_cpu(fwcode[i]);
5787
5788 if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5789 ql_log(ql_log_warn, vha, 0x017b,
5790 "Failed fwdump template validate\n");
5791 goto failed_template;
5792 }
5793
5794 dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5795 ql_dbg(ql_dbg_init, vha, 0x017c,
5796 "-> template size %x bytes\n", dlen);
5797 ha->fw_dump_template_len = dlen;
5798 return rval;
5799
5800 failed_template:
5801 ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
5802 if (ha->fw_dump_template)
5803 vfree(ha->fw_dump_template);
5804 ha->fw_dump_template = NULL;
5805 ha->fw_dump_template_len = 0;
5806 return rval;
5807 }
5808
5809 int
5810 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5811 {
5812 int rval;
5813
5814 if (ql2xfwloadbin == 1)
5815 return qla81xx_load_risc(vha, srisc_addr);
5816
5817 /*
5818 * FW Load priority:
5819 * 1) Firmware via request-firmware interface (.bin file).
5820 * 2) Firmware residing in flash.
5821 */
5822 rval = qla24xx_load_risc_blob(vha, srisc_addr);
5823 if (rval == QLA_SUCCESS)
5824 return rval;
5825
5826 return qla24xx_load_risc_flash(vha, srisc_addr,
5827 vha->hw->flt_region_fw);
5828 }
5829
5830 int
5831 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5832 {
5833 int rval;
5834 struct qla_hw_data *ha = vha->hw;
5835
5836 if (ql2xfwloadbin == 2)
5837 goto try_blob_fw;
5838
5839 /*
5840 * FW Load priority:
5841 * 1) Firmware residing in flash.
5842 * 2) Firmware via request-firmware interface (.bin file).
5843 * 3) Golden-Firmware residing in flash -- limited operation.
5844 */
5845 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5846 if (rval == QLA_SUCCESS)
5847 return rval;
5848
5849 try_blob_fw:
5850 rval = qla24xx_load_risc_blob(vha, srisc_addr);
5851 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5852 return rval;
5853
5854 ql_log(ql_log_info, vha, 0x0099,
5855 "Attempting to fallback to golden firmware.\n");
5856 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5857 if (rval != QLA_SUCCESS)
5858 return rval;
5859
5860 ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5861 ha->flags.running_gold_fw = 1;
5862 return rval;
5863 }
5864
5865 void
5866 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5867 {
5868 int ret, retries;
5869 struct qla_hw_data *ha = vha->hw;
5870
5871 if (ha->flags.pci_channel_io_perm_failure)
5872 return;
5873 if (!IS_FWI2_CAPABLE(ha))
5874 return;
5875 if (!ha->fw_major_version)
5876 return;
5877
5878 ret = qla2x00_stop_firmware(vha);
5879 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5880 ret != QLA_INVALID_COMMAND && retries ; retries--) {
5881 ha->isp_ops->reset_chip(vha);
5882 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5883 continue;
5884 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5885 continue;
5886 ql_log(ql_log_info, vha, 0x8015,
5887 "Attempting retry of stop-firmware command.\n");
5888 ret = qla2x00_stop_firmware(vha);
5889 }
5890 }
5891
5892 int
5893 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5894 {
5895 int rval = QLA_SUCCESS;
5896 int rval2;
5897 uint16_t mb[MAILBOX_REGISTER_COUNT];
5898 struct qla_hw_data *ha = vha->hw;
5899 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5900 struct req_que *req;
5901 struct rsp_que *rsp;
5902
5903 if (!vha->vp_idx)
5904 return -EINVAL;
5905
5906 rval = qla2x00_fw_ready(base_vha);
5907 if (ha->flags.cpu_affinity_enabled)
5908 req = ha->req_q_map[0];
5909 else
5910 req = vha->req;
5911 rsp = req->rsp;
5912
5913 if (rval == QLA_SUCCESS) {
5914 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5915 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5916 }
5917
5918 vha->flags.management_server_logged_in = 0;
5919
5920 /* Login to SNS first */
5921 rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5922 BIT_1);
5923 if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5924 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5925 ql_dbg(ql_dbg_init, vha, 0x0120,
5926 "Failed SNS login: loop_id=%x, rval2=%d\n",
5927 NPH_SNS, rval2);
5928 else
5929 ql_dbg(ql_dbg_init, vha, 0x0103,
5930 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5931 "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5932 NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5933 return (QLA_FUNCTION_FAILED);
5934 }
5935
5936 atomic_set(&vha->loop_down_timer, 0);
5937 atomic_set(&vha->loop_state, LOOP_UP);
5938 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5939 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5940 rval = qla2x00_loop_resync(base_vha);
5941
5942 return rval;
5943 }
5944
5945 /* 84XX Support **************************************************************/
5946
5947 static LIST_HEAD(qla_cs84xx_list);
5948 static DEFINE_MUTEX(qla_cs84xx_mutex);
5949
5950 static struct qla_chip_state_84xx *
5951 qla84xx_get_chip(struct scsi_qla_host *vha)
5952 {
5953 struct qla_chip_state_84xx *cs84xx;
5954 struct qla_hw_data *ha = vha->hw;
5955
5956 mutex_lock(&qla_cs84xx_mutex);
5957
5958 /* Find any shared 84xx chip. */
5959 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5960 if (cs84xx->bus == ha->pdev->bus) {
5961 kref_get(&cs84xx->kref);
5962 goto done;
5963 }
5964 }
5965
5966 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5967 if (!cs84xx)
5968 goto done;
5969
5970 kref_init(&cs84xx->kref);
5971 spin_lock_init(&cs84xx->access_lock);
5972 mutex_init(&cs84xx->fw_update_mutex);
5973 cs84xx->bus = ha->pdev->bus;
5974
5975 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5976 done:
5977 mutex_unlock(&qla_cs84xx_mutex);
5978 return cs84xx;
5979 }
5980
5981 static void
5982 __qla84xx_chip_release(struct kref *kref)
5983 {
5984 struct qla_chip_state_84xx *cs84xx =
5985 container_of(kref, struct qla_chip_state_84xx, kref);
5986
5987 mutex_lock(&qla_cs84xx_mutex);
5988 list_del(&cs84xx->list);
5989 mutex_unlock(&qla_cs84xx_mutex);
5990 kfree(cs84xx);
5991 }
5992
5993 void
5994 qla84xx_put_chip(struct scsi_qla_host *vha)
5995 {
5996 struct qla_hw_data *ha = vha->hw;
5997 if (ha->cs84xx)
5998 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5999 }
6000
6001 static int
6002 qla84xx_init_chip(scsi_qla_host_t *vha)
6003 {
6004 int rval;
6005 uint16_t status[2];
6006 struct qla_hw_data *ha = vha->hw;
6007
6008 mutex_lock(&ha->cs84xx->fw_update_mutex);
6009
6010 rval = qla84xx_verify_chip(vha, status);
6011
6012 mutex_unlock(&ha->cs84xx->fw_update_mutex);
6013
6014 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
6015 QLA_SUCCESS;
6016 }
6017
6018 /* 81XX Support **************************************************************/
6019
6020 int
6021 qla81xx_nvram_config(scsi_qla_host_t *vha)
6022 {
6023 int rval;
6024 struct init_cb_81xx *icb;
6025 struct nvram_81xx *nv;
6026 uint32_t *dptr;
6027 uint8_t *dptr1, *dptr2;
6028 uint32_t chksum;
6029 uint16_t cnt;
6030 struct qla_hw_data *ha = vha->hw;
6031
6032 rval = QLA_SUCCESS;
6033 icb = (struct init_cb_81xx *)ha->init_cb;
6034 nv = ha->nvram;
6035
6036 /* Determine NVRAM starting address. */
6037 ha->nvram_size = sizeof(struct nvram_81xx);
6038 ha->vpd_size = FA_NVRAM_VPD_SIZE;
6039 if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
6040 ha->vpd_size = FA_VPD_SIZE_82XX;
6041
6042 /* Get VPD data into cache */
6043 ha->vpd = ha->nvram + VPD_OFFSET;
6044 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
6045 ha->vpd_size);
6046
6047 /* Get NVRAM data into cache and calculate checksum. */
6048 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
6049 ha->nvram_size);
6050 dptr = (uint32_t *)nv;
6051 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
6052 chksum += le32_to_cpu(*dptr++);
6053
6054 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
6055 "Contents of NVRAM:\n");
6056 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
6057 (uint8_t *)nv, ha->nvram_size);
6058
6059 /* Bad NVRAM data, set defaults parameters. */
6060 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
6061 || nv->id[3] != ' ' ||
6062 nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
6063 /* Reset NVRAM data. */
6064 ql_log(ql_log_info, vha, 0x0073,
6065 "Inconsistent NVRAM detected: checksum=0x%x id=%c "
6066 "version=0x%x.\n", chksum, nv->id[0],
6067 le16_to_cpu(nv->nvram_version));
6068 ql_log(ql_log_info, vha, 0x0074,
6069 "Falling back to functioning (yet invalid -- WWPN) "
6070 "defaults.\n");
6071
6072 /*
6073 * Set default initialization control block.
6074 */
6075 memset(nv, 0, ha->nvram_size);
6076 nv->nvram_version = cpu_to_le16(ICB_VERSION);
6077 nv->version = cpu_to_le16(ICB_VERSION);
6078 nv->frame_payload_size = 2048;
6079 nv->execution_throttle = cpu_to_le16(0xFFFF);
6080 nv->exchange_count = cpu_to_le16(0);
6081 nv->port_name[0] = 0x21;
6082 nv->port_name[1] = 0x00 + ha->port_no + 1;
6083 nv->port_name[2] = 0x00;
6084 nv->port_name[3] = 0xe0;
6085 nv->port_name[4] = 0x8b;
6086 nv->port_name[5] = 0x1c;
6087 nv->port_name[6] = 0x55;
6088 nv->port_name[7] = 0x86;
6089 nv->node_name[0] = 0x20;
6090 nv->node_name[1] = 0x00;
6091 nv->node_name[2] = 0x00;
6092 nv->node_name[3] = 0xe0;
6093 nv->node_name[4] = 0x8b;
6094 nv->node_name[5] = 0x1c;
6095 nv->node_name[6] = 0x55;
6096 nv->node_name[7] = 0x86;
6097 nv->login_retry_count = cpu_to_le16(8);
6098 nv->interrupt_delay_timer = cpu_to_le16(0);
6099 nv->login_timeout = cpu_to_le16(0);
6100 nv->firmware_options_1 =
6101 cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
6102 nv->firmware_options_2 = cpu_to_le32(2 << 4);
6103 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
6104 nv->firmware_options_3 = cpu_to_le32(2 << 13);
6105 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
6106 nv->efi_parameters = cpu_to_le32(0);
6107 nv->reset_delay = 5;
6108 nv->max_luns_per_target = cpu_to_le16(128);
6109 nv->port_down_retry_count = cpu_to_le16(30);
6110 nv->link_down_timeout = cpu_to_le16(180);
6111 nv->enode_mac[0] = 0x00;
6112 nv->enode_mac[1] = 0xC0;
6113 nv->enode_mac[2] = 0xDD;
6114 nv->enode_mac[3] = 0x04;
6115 nv->enode_mac[4] = 0x05;
6116 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
6117
6118 rval = 1;
6119 }
6120
6121 if (IS_T10_PI_CAPABLE(ha))
6122 nv->frame_payload_size &= ~7;
6123
6124 qlt_81xx_config_nvram_stage1(vha, nv);
6125
6126 /* Reset Initialization control block */
6127 memset(icb, 0, ha->init_cb_size);
6128
6129 /* Copy 1st segment. */
6130 dptr1 = (uint8_t *)icb;
6131 dptr2 = (uint8_t *)&nv->version;
6132 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
6133 while (cnt--)
6134 *dptr1++ = *dptr2++;
6135
6136 icb->login_retry_count = nv->login_retry_count;
6137
6138 /* Copy 2nd segment. */
6139 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
6140 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
6141 cnt = (uint8_t *)&icb->reserved_5 -
6142 (uint8_t *)&icb->interrupt_delay_timer;
6143 while (cnt--)
6144 *dptr1++ = *dptr2++;
6145
6146 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
6147 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
6148 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
6149 icb->enode_mac[0] = 0x00;
6150 icb->enode_mac[1] = 0xC0;
6151 icb->enode_mac[2] = 0xDD;
6152 icb->enode_mac[3] = 0x04;
6153 icb->enode_mac[4] = 0x05;
6154 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
6155 }
6156
6157 /* Use extended-initialization control block. */
6158 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
6159
6160 /*
6161 * Setup driver NVRAM options.
6162 */
6163 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6164 "QLE8XXX");
6165
6166 qlt_81xx_config_nvram_stage2(vha, icb);
6167
6168 /* Use alternate WWN? */
6169 if (nv->host_p & cpu_to_le32(BIT_15)) {
6170 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6171 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6172 }
6173
6174 /* Prepare nodename */
6175 if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
6176 /*
6177 * Firmware will apply the following mask if the nodename was
6178 * not provided.
6179 */
6180 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6181 icb->node_name[0] &= 0xF0;
6182 }
6183
6184 /* Set host adapter parameters. */
6185 ha->flags.disable_risc_code_load = 0;
6186 ha->flags.enable_lip_reset = 0;
6187 ha->flags.enable_lip_full_login =
6188 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6189 ha->flags.enable_target_reset =
6190 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6191 ha->flags.enable_led_scheme = 0;
6192 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6193
6194 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6195 (BIT_6 | BIT_5 | BIT_4)) >> 4;
6196
6197 /* save HBA serial number */
6198 ha->serial0 = icb->port_name[5];
6199 ha->serial1 = icb->port_name[6];
6200 ha->serial2 = icb->port_name[7];
6201 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6202 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6203
6204 icb->execution_throttle = cpu_to_le16(0xFFFF);
6205
6206 ha->retry_count = le16_to_cpu(nv->login_retry_count);
6207
6208 /* Set minimum login_timeout to 4 seconds. */
6209 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6210 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6211 if (le16_to_cpu(nv->login_timeout) < 4)
6212 nv->login_timeout = cpu_to_le16(4);
6213 ha->login_timeout = le16_to_cpu(nv->login_timeout);
6214 icb->login_timeout = nv->login_timeout;
6215
6216 /* Set minimum RATOV to 100 tenths of a second. */
6217 ha->r_a_tov = 100;
6218
6219 ha->loop_reset_delay = nv->reset_delay;
6220
6221 /* Link Down Timeout = 0:
6222 *
6223 * When Port Down timer expires we will start returning
6224 * I/O's to OS with "DID_NO_CONNECT".
6225 *
6226 * Link Down Timeout != 0:
6227 *
6228 * The driver waits for the link to come up after link down
6229 * before returning I/Os to OS with "DID_NO_CONNECT".
6230 */
6231 if (le16_to_cpu(nv->link_down_timeout) == 0) {
6232 ha->loop_down_abort_time =
6233 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6234 } else {
6235 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
6236 ha->loop_down_abort_time =
6237 (LOOP_DOWN_TIME - ha->link_down_timeout);
6238 }
6239
6240 /* Need enough time to try and get the port back. */
6241 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6242 if (qlport_down_retry)
6243 ha->port_down_retry_count = qlport_down_retry;
6244
6245 /* Set login_retry_count */
6246 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
6247 if (ha->port_down_retry_count ==
6248 le16_to_cpu(nv->port_down_retry_count) &&
6249 ha->port_down_retry_count > 3)
6250 ha->login_retry_count = ha->port_down_retry_count;
6251 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6252 ha->login_retry_count = ha->port_down_retry_count;
6253 if (ql2xloginretrycount)
6254 ha->login_retry_count = ql2xloginretrycount;
6255
6256 /* if not running MSI-X we need handshaking on interrupts */
6257 if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
6258 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
6259
6260 /* Enable ZIO. */
6261 if (!vha->flags.init_done) {
6262 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6263 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6264 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6265 le16_to_cpu(icb->interrupt_delay_timer): 2;
6266 }
6267 icb->firmware_options_2 &= cpu_to_le32(
6268 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6269 vha->flags.process_response_queue = 0;
6270 if (ha->zio_mode != QLA_ZIO_DISABLED) {
6271 ha->zio_mode = QLA_ZIO_MODE_6;
6272
6273 ql_log(ql_log_info, vha, 0x0075,
6274 "ZIO mode %d enabled; timer delay (%d us).\n",
6275 ha->zio_mode,
6276 ha->zio_timer * 100);
6277
6278 icb->firmware_options_2 |= cpu_to_le32(
6279 (uint32_t)ha->zio_mode);
6280 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6281 vha->flags.process_response_queue = 1;
6282 }
6283
6284 if (rval) {
6285 ql_log(ql_log_warn, vha, 0x0076,
6286 "NVRAM configuration failed.\n");
6287 }
6288 return (rval);
6289 }
6290
6291 int
6292 qla82xx_restart_isp(scsi_qla_host_t *vha)
6293 {
6294 int status, rval;
6295 struct qla_hw_data *ha = vha->hw;
6296 struct req_que *req = ha->req_q_map[0];
6297 struct rsp_que *rsp = ha->rsp_q_map[0];
6298 struct scsi_qla_host *vp;
6299 unsigned long flags;
6300
6301 status = qla2x00_init_rings(vha);
6302 if (!status) {
6303 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6304 ha->flags.chip_reset_done = 1;
6305
6306 status = qla2x00_fw_ready(vha);
6307 if (!status) {
6308 /* Issue a marker after FW becomes ready. */
6309 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6310 vha->flags.online = 1;
6311 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6312 }
6313
6314 /* if no cable then assume it's good */
6315 if ((vha->device_flags & DFLG_NO_CABLE))
6316 status = 0;
6317 }
6318
6319 if (!status) {
6320 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6321
6322 if (!atomic_read(&vha->loop_down_timer)) {
6323 /*
6324 * Issue marker command only when we are going
6325 * to start the I/O .
6326 */
6327 vha->marker_needed = 1;
6328 }
6329
6330 ha->isp_ops->enable_intrs(ha);
6331
6332 ha->isp_abort_cnt = 0;
6333 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6334
6335 /* Update the firmware version */
6336 status = qla82xx_check_md_needed(vha);
6337
6338 if (ha->fce) {
6339 ha->flags.fce_enabled = 1;
6340 memset(ha->fce, 0,
6341 fce_calc_size(ha->fce_bufs));
6342 rval = qla2x00_enable_fce_trace(vha,
6343 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6344 &ha->fce_bufs);
6345 if (rval) {
6346 ql_log(ql_log_warn, vha, 0x8001,
6347 "Unable to reinitialize FCE (%d).\n",
6348 rval);
6349 ha->flags.fce_enabled = 0;
6350 }
6351 }
6352
6353 if (ha->eft) {
6354 memset(ha->eft, 0, EFT_SIZE);
6355 rval = qla2x00_enable_eft_trace(vha,
6356 ha->eft_dma, EFT_NUM_BUFFERS);
6357 if (rval) {
6358 ql_log(ql_log_warn, vha, 0x8010,
6359 "Unable to reinitialize EFT (%d).\n",
6360 rval);
6361 }
6362 }
6363 }
6364
6365 if (!status) {
6366 ql_dbg(ql_dbg_taskm, vha, 0x8011,
6367 "qla82xx_restart_isp succeeded.\n");
6368
6369 spin_lock_irqsave(&ha->vport_slock, flags);
6370 list_for_each_entry(vp, &ha->vp_list, list) {
6371 if (vp->vp_idx) {
6372 atomic_inc(&vp->vref_count);
6373 spin_unlock_irqrestore(&ha->vport_slock, flags);
6374
6375 qla2x00_vp_abort_isp(vp);
6376
6377 spin_lock_irqsave(&ha->vport_slock, flags);
6378 atomic_dec(&vp->vref_count);
6379 }
6380 }
6381 spin_unlock_irqrestore(&ha->vport_slock, flags);
6382
6383 } else {
6384 ql_log(ql_log_warn, vha, 0x8016,
6385 "qla82xx_restart_isp **** FAILED ****.\n");
6386 }
6387
6388 return status;
6389 }
6390
6391 void
6392 qla81xx_update_fw_options(scsi_qla_host_t *vha)
6393 {
6394 struct qla_hw_data *ha = vha->hw;
6395
6396 if (!ql2xetsenable)
6397 return;
6398
6399 /* Enable ETS Burst. */
6400 memset(ha->fw_options, 0, sizeof(ha->fw_options));
6401 ha->fw_options[2] |= BIT_9;
6402 qla2x00_set_fw_options(vha, ha->fw_options);
6403 }
6404
6405 /*
6406 * qla24xx_get_fcp_prio
6407 * Gets the fcp cmd priority value for the logged in port.
6408 * Looks for a match of the port descriptors within
6409 * each of the fcp prio config entries. If a match is found,
6410 * the tag (priority) value is returned.
6411 *
6412 * Input:
6413 * vha = scsi host structure pointer.
6414 * fcport = port structure pointer.
6415 *
6416 * Return:
6417 * non-zero (if found)
6418 * -1 (if not found)
6419 *
6420 * Context:
6421 * Kernel context
6422 */
6423 static int
6424 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6425 {
6426 int i, entries;
6427 uint8_t pid_match, wwn_match;
6428 int priority;
6429 uint32_t pid1, pid2;
6430 uint64_t wwn1, wwn2;
6431 struct qla_fcp_prio_entry *pri_entry;
6432 struct qla_hw_data *ha = vha->hw;
6433
6434 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
6435 return -1;
6436
6437 priority = -1;
6438 entries = ha->fcp_prio_cfg->num_entries;
6439 pri_entry = &ha->fcp_prio_cfg->entry[0];
6440
6441 for (i = 0; i < entries; i++) {
6442 pid_match = wwn_match = 0;
6443
6444 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
6445 pri_entry++;
6446 continue;
6447 }
6448
6449 /* check source pid for a match */
6450 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
6451 pid1 = pri_entry->src_pid & INVALID_PORT_ID;
6452 pid2 = vha->d_id.b24 & INVALID_PORT_ID;
6453 if (pid1 == INVALID_PORT_ID)
6454 pid_match++;
6455 else if (pid1 == pid2)
6456 pid_match++;
6457 }
6458
6459 /* check destination pid for a match */
6460 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
6461 pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
6462 pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
6463 if (pid1 == INVALID_PORT_ID)
6464 pid_match++;
6465 else if (pid1 == pid2)
6466 pid_match++;
6467 }
6468
6469 /* check source WWN for a match */
6470 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6471 wwn1 = wwn_to_u64(vha->port_name);
6472 wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6473 if (wwn2 == (uint64_t)-1)
6474 wwn_match++;
6475 else if (wwn1 == wwn2)
6476 wwn_match++;
6477 }
6478
6479 /* check destination WWN for a match */
6480 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6481 wwn1 = wwn_to_u64(fcport->port_name);
6482 wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6483 if (wwn2 == (uint64_t)-1)
6484 wwn_match++;
6485 else if (wwn1 == wwn2)
6486 wwn_match++;
6487 }
6488
6489 if (pid_match == 2 || wwn_match == 2) {
6490 /* Found a matching entry */
6491 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6492 priority = pri_entry->tag;
6493 break;
6494 }
6495
6496 pri_entry++;
6497 }
6498
6499 return priority;
6500 }
6501
6502 /*
6503 * qla24xx_update_fcport_fcp_prio
6504 * Activates fcp priority for the logged in fc port
6505 *
6506 * Input:
6507 * vha = scsi host structure pointer.
6508 * fcp = port structure pointer.
6509 *
6510 * Return:
6511 * QLA_SUCCESS or QLA_FUNCTION_FAILED
6512 *
6513 * Context:
6514 * Kernel context.
6515 */
6516 int
6517 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6518 {
6519 int ret;
6520 int priority;
6521 uint16_t mb[5];
6522
6523 if (fcport->port_type != FCT_TARGET ||
6524 fcport->loop_id == FC_NO_LOOP_ID)
6525 return QLA_FUNCTION_FAILED;
6526
6527 priority = qla24xx_get_fcp_prio(vha, fcport);
6528 if (priority < 0)
6529 return QLA_FUNCTION_FAILED;
6530
6531 if (IS_P3P_TYPE(vha->hw)) {
6532 fcport->fcp_prio = priority & 0xf;
6533 return QLA_SUCCESS;
6534 }
6535
6536 ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6537 if (ret == QLA_SUCCESS) {
6538 if (fcport->fcp_prio != priority)
6539 ql_dbg(ql_dbg_user, vha, 0x709e,
6540 "Updated FCP_CMND priority - value=%d loop_id=%d "
6541 "port_id=%02x%02x%02x.\n", priority,
6542 fcport->loop_id, fcport->d_id.b.domain,
6543 fcport->d_id.b.area, fcport->d_id.b.al_pa);
6544 fcport->fcp_prio = priority & 0xf;
6545 } else
6546 ql_dbg(ql_dbg_user, vha, 0x704f,
6547 "Unable to update FCP_CMND priority - ret=0x%x for "
6548 "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6549 fcport->d_id.b.domain, fcport->d_id.b.area,
6550 fcport->d_id.b.al_pa);
6551 return ret;
6552 }
6553
6554 /*
6555 * qla24xx_update_all_fcp_prio
6556 * Activates fcp priority for all the logged in ports
6557 *
6558 * Input:
6559 * ha = adapter block pointer.
6560 *
6561 * Return:
6562 * QLA_SUCCESS or QLA_FUNCTION_FAILED
6563 *
6564 * Context:
6565 * Kernel context.
6566 */
6567 int
6568 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6569 {
6570 int ret;
6571 fc_port_t *fcport;
6572
6573 ret = QLA_FUNCTION_FAILED;
6574 /* We need to set priority for all logged in ports */
6575 list_for_each_entry(fcport, &vha->vp_fcports, list)
6576 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6577
6578 return ret;
6579 }
Linux with added FPC-III support