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spi-topcliff-pch: add recovery processing in case wait-event timeout
[zen-stable.git] / drivers / scsi / qla2xxx / qla_init.c
blob1fa067e053d2877fad3a175099d1b9a38da06d4f
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2011 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 /*
21 * QLogic ISP2x00 Hardware Support Function Prototypes.
22 */
23 static int qla2x00_isp_firmware(scsi_qla_host_t *);
24 static int qla2x00_setup_chip(scsi_qla_host_t *);
25 static int qla2x00_init_rings(scsi_qla_host_t *);
26 static int qla2x00_fw_ready(scsi_qla_host_t *);
27 static int qla2x00_configure_hba(scsi_qla_host_t *);
28 static int qla2x00_configure_loop(scsi_qla_host_t *);
29 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
30 static int qla2x00_configure_fabric(scsi_qla_host_t *);
31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
32 static int qla2x00_device_resync(scsi_qla_host_t *);
33 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
34 uint16_t *);
35
36 static int qla2x00_restart_isp(scsi_qla_host_t *);
37
38 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
39 static int qla84xx_init_chip(scsi_qla_host_t *);
40 static int qla25xx_init_queues(struct qla_hw_data *);
41
42 /* SRB Extensions ---------------------------------------------------------- */
43
44 static void
45 qla2x00_ctx_sp_timeout(unsigned long __data)
46 {
47 srb_t *sp = (srb_t *)__data;
48 struct srb_ctx *ctx;
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 ctx = sp->ctx;
59 iocb = ctx->u.iocb_cmd;
60 iocb->timeout(sp);
61 iocb->free(sp);
62 spin_unlock_irqrestore(&ha->hardware_lock, flags);
63 }
64
65 static void
66 qla2x00_ctx_sp_free(srb_t *sp)
67 {
68 struct srb_ctx *ctx = sp->ctx;
69 struct srb_iocb *iocb = ctx->u.iocb_cmd;
70 struct scsi_qla_host *vha = sp->fcport->vha;
71
72 del_timer(&iocb->timer);
73 kfree(iocb);
74 kfree(ctx);
75 mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
76
77 QLA_VHA_MARK_NOT_BUSY(vha);
78 }
79
80 inline srb_t *
81 qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
82 unsigned long tmo)
83 {
84 srb_t *sp = NULL;
85 struct qla_hw_data *ha = vha->hw;
86 struct srb_ctx *ctx;
87 struct srb_iocb *iocb;
88 uint8_t bail;
89
90 QLA_VHA_MARK_BUSY(vha, bail);
91 if (bail)
92 return NULL;
93
94 sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
95 if (!sp)
96 goto done;
97 ctx = kzalloc(size, GFP_KERNEL);
98 if (!ctx) {
99 mempool_free(sp, ha->srb_mempool);
100 sp = NULL;
101 goto done;
102 }
103 iocb = kzalloc(sizeof(struct srb_iocb), GFP_KERNEL);
104 if (!iocb) {
105 mempool_free(sp, ha->srb_mempool);
106 sp = NULL;
107 kfree(ctx);
108 goto done;
109 }
110
111 memset(sp, 0, sizeof(*sp));
112 sp->fcport = fcport;
113 sp->ctx = ctx;
114 ctx->iocbs = 1;
115 ctx->u.iocb_cmd = iocb;
116 iocb->free = qla2x00_ctx_sp_free;
117
118 init_timer(&iocb->timer);
119 if (!tmo)
120 goto done;
121 iocb->timer.expires = jiffies + tmo * HZ;
122 iocb->timer.data = (unsigned long)sp;
123 iocb->timer.function = qla2x00_ctx_sp_timeout;
124 add_timer(&iocb->timer);
125 done:
126 if (!sp)
127 QLA_VHA_MARK_NOT_BUSY(vha);
128 return sp;
129 }
130
131 /* Asynchronous Login/Logout Routines -------------------------------------- */
132
133 static inline unsigned long
134 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
135 {
136 unsigned long tmo;
137 struct qla_hw_data *ha = vha->hw;
138
139 /* Firmware should use switch negotiated r_a_tov for timeout. */
140 tmo = ha->r_a_tov / 10 * 2;
141 if (!IS_FWI2_CAPABLE(ha)) {
142 /*
143 * Except for earlier ISPs where the timeout is seeded from the
144 * initialization control block.
145 */
146 tmo = ha->login_timeout;
147 }
148 return tmo;
149 }
150
151 static void
152 qla2x00_async_iocb_timeout(srb_t *sp)
153 {
154 fc_port_t *fcport = sp->fcport;
155 struct srb_ctx *ctx = sp->ctx;
156
157 ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
158 "Async-%s timeout - hdl=%x portid=%02x%02x%02x.\n",
159 ctx->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
160 fcport->d_id.b.al_pa);
161
162 fcport->flags &= ~FCF_ASYNC_SENT;
163 if (ctx->type == SRB_LOGIN_CMD) {
164 struct srb_iocb *lio = ctx->u.iocb_cmd;
165 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
166 /* Retry as needed. */
167 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
168 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
169 QLA_LOGIO_LOGIN_RETRIED : 0;
170 qla2x00_post_async_login_done_work(fcport->vha, fcport,
171 lio->u.logio.data);
172 }
173 }
174
175 static void
176 qla2x00_async_login_ctx_done(srb_t *sp)
177 {
178 struct srb_ctx *ctx = sp->ctx;
179 struct srb_iocb *lio = ctx->u.iocb_cmd;
180
181 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
182 lio->u.logio.data);
183 lio->free(sp);
184 }
185
186 int
187 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
188 uint16_t *data)
189 {
190 srb_t *sp;
191 struct srb_ctx *ctx;
192 struct srb_iocb *lio;
193 int rval;
194
195 rval = QLA_FUNCTION_FAILED;
196 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
197 qla2x00_get_async_timeout(vha) + 2);
198 if (!sp)
199 goto done;
200
201 ctx = sp->ctx;
202 ctx->type = SRB_LOGIN_CMD;
203 ctx->name = "login";
204 lio = ctx->u.iocb_cmd;
205 lio->timeout = qla2x00_async_iocb_timeout;
206 lio->done = qla2x00_async_login_ctx_done;
207 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
208 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
209 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
210 rval = qla2x00_start_sp(sp);
211 if (rval != QLA_SUCCESS)
212 goto done_free_sp;
213
214 ql_dbg(ql_dbg_disc, vha, 0x2072,
215 "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
216 "retries=%d.\n", sp->handle, fcport->loop_id,
217 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
218 fcport->login_retry);
219 return rval;
220
221 done_free_sp:
222 lio->free(sp);
223 done:
224 return rval;
225 }
226
227 static void
228 qla2x00_async_logout_ctx_done(srb_t *sp)
229 {
230 struct srb_ctx *ctx = sp->ctx;
231 struct srb_iocb *lio = ctx->u.iocb_cmd;
232
233 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
234 lio->u.logio.data);
235 lio->free(sp);
236 }
237
238 int
239 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
240 {
241 srb_t *sp;
242 struct srb_ctx *ctx;
243 struct srb_iocb *lio;
244 int rval;
245
246 rval = QLA_FUNCTION_FAILED;
247 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
248 qla2x00_get_async_timeout(vha) + 2);
249 if (!sp)
250 goto done;
251
252 ctx = sp->ctx;
253 ctx->type = SRB_LOGOUT_CMD;
254 ctx->name = "logout";
255 lio = ctx->u.iocb_cmd;
256 lio->timeout = qla2x00_async_iocb_timeout;
257 lio->done = qla2x00_async_logout_ctx_done;
258 rval = qla2x00_start_sp(sp);
259 if (rval != QLA_SUCCESS)
260 goto done_free_sp;
261
262 ql_dbg(ql_dbg_disc, vha, 0x2070,
263 "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
264 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
265 fcport->d_id.b.area, fcport->d_id.b.al_pa);
266 return rval;
267
268 done_free_sp:
269 lio->free(sp);
270 done:
271 return rval;
272 }
273
274 static void
275 qla2x00_async_adisc_ctx_done(srb_t *sp)
276 {
277 struct srb_ctx *ctx = sp->ctx;
278 struct srb_iocb *lio = ctx->u.iocb_cmd;
279
280 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
281 lio->u.logio.data);
282 lio->free(sp);
283 }
284
285 int
286 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
287 uint16_t *data)
288 {
289 srb_t *sp;
290 struct srb_ctx *ctx;
291 struct srb_iocb *lio;
292 int rval;
293
294 rval = QLA_FUNCTION_FAILED;
295 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
296 qla2x00_get_async_timeout(vha) + 2);
297 if (!sp)
298 goto done;
299
300 ctx = sp->ctx;
301 ctx->type = SRB_ADISC_CMD;
302 ctx->name = "adisc";
303 lio = ctx->u.iocb_cmd;
304 lio->timeout = qla2x00_async_iocb_timeout;
305 lio->done = qla2x00_async_adisc_ctx_done;
306 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
307 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
308 rval = qla2x00_start_sp(sp);
309 if (rval != QLA_SUCCESS)
310 goto done_free_sp;
311
312 ql_dbg(ql_dbg_disc, vha, 0x206f,
313 "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
314 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
315 fcport->d_id.b.area, fcport->d_id.b.al_pa);
316 return rval;
317
318 done_free_sp:
319 lio->free(sp);
320 done:
321 return rval;
322 }
323
324 static void
325 qla2x00_async_tm_cmd_ctx_done(srb_t *sp)
326 {
327 struct srb_ctx *ctx = sp->ctx;
328 struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
329
330 qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb);
331 iocb->free(sp);
332 }
333
334 int
335 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
336 uint32_t tag)
337 {
338 struct scsi_qla_host *vha = fcport->vha;
339 srb_t *sp;
340 struct srb_ctx *ctx;
341 struct srb_iocb *tcf;
342 int rval;
343
344 rval = QLA_FUNCTION_FAILED;
345 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
346 qla2x00_get_async_timeout(vha) + 2);
347 if (!sp)
348 goto done;
349
350 ctx = sp->ctx;
351 ctx->type = SRB_TM_CMD;
352 ctx->name = "tmf";
353 tcf = ctx->u.iocb_cmd;
354 tcf->u.tmf.flags = flags;
355 tcf->u.tmf.lun = lun;
356 tcf->u.tmf.data = tag;
357 tcf->timeout = qla2x00_async_iocb_timeout;
358 tcf->done = qla2x00_async_tm_cmd_ctx_done;
359
360 rval = qla2x00_start_sp(sp);
361 if (rval != QLA_SUCCESS)
362 goto done_free_sp;
363
364 ql_dbg(ql_dbg_taskm, vha, 0x802f,
365 "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
366 sp->handle, fcport->loop_id, fcport->d_id.b.domain,
367 fcport->d_id.b.area, fcport->d_id.b.al_pa);
368 return rval;
369
370 done_free_sp:
371 tcf->free(sp);
372 done:
373 return rval;
374 }
375
376 void
377 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
378 uint16_t *data)
379 {
380 int rval;
381
382 switch (data[0]) {
383 case MBS_COMMAND_COMPLETE:
384 /*
385 * Driver must validate login state - If PRLI not complete,
386 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
387 * requests.
388 */
389 rval = qla2x00_get_port_database(vha, fcport, 0);
390 if (rval != QLA_SUCCESS) {
391 qla2x00_post_async_logout_work(vha, fcport, NULL);
392 qla2x00_post_async_login_work(vha, fcport, NULL);
393 break;
394 }
395 if (fcport->flags & FCF_FCP2_DEVICE) {
396 qla2x00_post_async_adisc_work(vha, fcport, data);
397 break;
398 }
399 qla2x00_update_fcport(vha, fcport);
400 break;
401 case MBS_COMMAND_ERROR:
402 fcport->flags &= ~FCF_ASYNC_SENT;
403 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
404 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
405 else
406 qla2x00_mark_device_lost(vha, fcport, 1, 0);
407 break;
408 case MBS_PORT_ID_USED:
409 fcport->loop_id = data[1];
410 qla2x00_post_async_logout_work(vha, fcport, NULL);
411 qla2x00_post_async_login_work(vha, fcport, NULL);
412 break;
413 case MBS_LOOP_ID_USED:
414 fcport->loop_id++;
415 rval = qla2x00_find_new_loop_id(vha, fcport);
416 if (rval != QLA_SUCCESS) {
417 fcport->flags &= ~FCF_ASYNC_SENT;
418 qla2x00_mark_device_lost(vha, fcport, 1, 0);
419 break;
420 }
421 qla2x00_post_async_login_work(vha, fcport, NULL);
422 break;
423 }
424 return;
425 }
426
427 void
428 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
429 uint16_t *data)
430 {
431 qla2x00_mark_device_lost(vha, fcport, 1, 0);
432 return;
433 }
434
435 void
436 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
437 uint16_t *data)
438 {
439 if (data[0] == MBS_COMMAND_COMPLETE) {
440 qla2x00_update_fcport(vha, fcport);
441
442 return;
443 }
444
445 /* Retry login. */
446 fcport->flags &= ~FCF_ASYNC_SENT;
447 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
448 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
449 else
450 qla2x00_mark_device_lost(vha, fcport, 1, 0);
451
452 return;
453 }
454
455 void
456 qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport,
457 struct srb_iocb *iocb)
458 {
459 int rval;
460 uint32_t flags;
461 uint16_t lun;
462
463 flags = iocb->u.tmf.flags;
464 lun = (uint16_t)iocb->u.tmf.lun;
465
466 /* Issue Marker IOCB */
467 rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
468 vha->hw->rsp_q_map[0], fcport->loop_id, lun,
469 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
470
471 if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
472 ql_dbg(ql_dbg_taskm, vha, 0x8030,
473 "TM IOCB failed (%x).\n", rval);
474 }
475
476 return;
477 }
478
479 /****************************************************************************/
480 /* QLogic ISP2x00 Hardware Support Functions. */
481 /****************************************************************************/
482
483 /*
484 * qla2x00_initialize_adapter
485 * Initialize board.
486 *
487 * Input:
488 * ha = adapter block pointer.
489 *
490 * Returns:
491 * 0 = success
492 */
493 int
494 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
495 {
496 int rval;
497 struct qla_hw_data *ha = vha->hw;
498 struct req_que *req = ha->req_q_map[0];
499
500 /* Clear adapter flags. */
501 vha->flags.online = 0;
502 ha->flags.chip_reset_done = 0;
503 vha->flags.reset_active = 0;
504 ha->flags.pci_channel_io_perm_failure = 0;
505 ha->flags.eeh_busy = 0;
506 ha->flags.thermal_supported = 1;
507 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
508 atomic_set(&vha->loop_state, LOOP_DOWN);
509 vha->device_flags = DFLG_NO_CABLE;
510 vha->dpc_flags = 0;
511 vha->flags.management_server_logged_in = 0;
512 vha->marker_needed = 0;
513 ha->isp_abort_cnt = 0;
514 ha->beacon_blink_led = 0;
515
516 set_bit(0, ha->req_qid_map);
517 set_bit(0, ha->rsp_qid_map);
518
519 ql_dbg(ql_dbg_init, vha, 0x0040,
520 "Configuring PCI space...\n");
521 rval = ha->isp_ops->pci_config(vha);
522 if (rval) {
523 ql_log(ql_log_warn, vha, 0x0044,
524 "Unable to configure PCI space.\n");
525 return (rval);
526 }
527
528 ha->isp_ops->reset_chip(vha);
529
530 rval = qla2xxx_get_flash_info(vha);
531 if (rval) {
532 ql_log(ql_log_fatal, vha, 0x004f,
533 "Unable to validate FLASH data.\n");
534 return (rval);
535 }
536
537 ha->isp_ops->get_flash_version(vha, req->ring);
538 ql_dbg(ql_dbg_init, vha, 0x0061,
539 "Configure NVRAM parameters...\n");
540
541 ha->isp_ops->nvram_config(vha);
542
543 if (ha->flags.disable_serdes) {
544 /* Mask HBA via NVRAM settings? */
545 ql_log(ql_log_info, vha, 0x0077,
546 "Masking HBA WWPN "
547 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
548 vha->port_name[0], vha->port_name[1],
549 vha->port_name[2], vha->port_name[3],
550 vha->port_name[4], vha->port_name[5],
551 vha->port_name[6], vha->port_name[7]);
552 return QLA_FUNCTION_FAILED;
553 }
554
555 ql_dbg(ql_dbg_init, vha, 0x0078,
556 "Verifying loaded RISC code...\n");
557
558 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
559 rval = ha->isp_ops->chip_diag(vha);
560 if (rval)
561 return (rval);
562 rval = qla2x00_setup_chip(vha);
563 if (rval)
564 return (rval);
565 }
566
567 if (IS_QLA84XX(ha)) {
568 ha->cs84xx = qla84xx_get_chip(vha);
569 if (!ha->cs84xx) {
570 ql_log(ql_log_warn, vha, 0x00d0,
571 "Unable to configure ISP84XX.\n");
572 return QLA_FUNCTION_FAILED;
573 }
574 }
575 rval = qla2x00_init_rings(vha);
576 ha->flags.chip_reset_done = 1;
577
578 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
579 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
580 rval = qla84xx_init_chip(vha);
581 if (rval != QLA_SUCCESS) {
582 ql_log(ql_log_warn, vha, 0x00d4,
583 "Unable to initialize ISP84XX.\n");
584 qla84xx_put_chip(vha);
585 }
586 }
587
588 if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
589 qla24xx_read_fcp_prio_cfg(vha);
590
591 return (rval);
592 }
593
594 /**
595 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
596 * @ha: HA context
597 *
598 * Returns 0 on success.
599 */
600 int
601 qla2100_pci_config(scsi_qla_host_t *vha)
602 {
603 uint16_t w;
604 unsigned long flags;
605 struct qla_hw_data *ha = vha->hw;
606 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
607
608 pci_set_master(ha->pdev);
609 pci_try_set_mwi(ha->pdev);
610
611 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
612 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
613 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
614
615 pci_disable_rom(ha->pdev);
616
617 /* Get PCI bus information. */
618 spin_lock_irqsave(&ha->hardware_lock, flags);
619 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
620 spin_unlock_irqrestore(&ha->hardware_lock, flags);
621
622 return QLA_SUCCESS;
623 }
624
625 /**
626 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
627 * @ha: HA context
628 *
629 * Returns 0 on success.
630 */
631 int
632 qla2300_pci_config(scsi_qla_host_t *vha)
633 {
634 uint16_t w;
635 unsigned long flags = 0;
636 uint32_t cnt;
637 struct qla_hw_data *ha = vha->hw;
638 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
639
640 pci_set_master(ha->pdev);
641 pci_try_set_mwi(ha->pdev);
642
643 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
644 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
645
646 if (IS_QLA2322(ha) || IS_QLA6322(ha))
647 w &= ~PCI_COMMAND_INTX_DISABLE;
648 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
649
650 /*
651 * If this is a 2300 card and not 2312, reset the
652 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
653 * the 2310 also reports itself as a 2300 so we need to get the
654 * fb revision level -- a 6 indicates it really is a 2300 and
655 * not a 2310.
656 */
657 if (IS_QLA2300(ha)) {
658 spin_lock_irqsave(&ha->hardware_lock, flags);
659
660 /* Pause RISC. */
661 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
662 for (cnt = 0; cnt < 30000; cnt++) {
663 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
664 break;
665
666 udelay(10);
667 }
668
669 /* Select FPM registers. */
670 WRT_REG_WORD(&reg->ctrl_status, 0x20);
671 RD_REG_WORD(&reg->ctrl_status);
672
673 /* Get the fb rev level */
674 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
675
676 if (ha->fb_rev == FPM_2300)
677 pci_clear_mwi(ha->pdev);
678
679 /* Deselect FPM registers. */
680 WRT_REG_WORD(&reg->ctrl_status, 0x0);
681 RD_REG_WORD(&reg->ctrl_status);
682
683 /* Release RISC module. */
684 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
685 for (cnt = 0; cnt < 30000; cnt++) {
686 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
687 break;
688
689 udelay(10);
690 }
691
692 spin_unlock_irqrestore(&ha->hardware_lock, flags);
693 }
694
695 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
696
697 pci_disable_rom(ha->pdev);
698
699 /* Get PCI bus information. */
700 spin_lock_irqsave(&ha->hardware_lock, flags);
701 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
702 spin_unlock_irqrestore(&ha->hardware_lock, flags);
703
704 return QLA_SUCCESS;
705 }
706
707 /**
708 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
709 * @ha: HA context
710 *
711 * Returns 0 on success.
712 */
713 int
714 qla24xx_pci_config(scsi_qla_host_t *vha)
715 {
716 uint16_t w;
717 unsigned long flags = 0;
718 struct qla_hw_data *ha = vha->hw;
719 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
720
721 pci_set_master(ha->pdev);
722 pci_try_set_mwi(ha->pdev);
723
724 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
725 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
726 w &= ~PCI_COMMAND_INTX_DISABLE;
727 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
728
729 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
730
731 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
732 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
733 pcix_set_mmrbc(ha->pdev, 2048);
734
735 /* PCIe -- adjust Maximum Read Request Size (2048). */
736 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
737 pcie_set_readrq(ha->pdev, 2048);
738
739 pci_disable_rom(ha->pdev);
740
741 ha->chip_revision = ha->pdev->revision;
742
743 /* Get PCI bus information. */
744 spin_lock_irqsave(&ha->hardware_lock, flags);
745 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
746 spin_unlock_irqrestore(&ha->hardware_lock, flags);
747
748 return QLA_SUCCESS;
749 }
750
751 /**
752 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
753 * @ha: HA context
754 *
755 * Returns 0 on success.
756 */
757 int
758 qla25xx_pci_config(scsi_qla_host_t *vha)
759 {
760 uint16_t w;
761 struct qla_hw_data *ha = vha->hw;
762
763 pci_set_master(ha->pdev);
764 pci_try_set_mwi(ha->pdev);
765
766 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
767 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
768 w &= ~PCI_COMMAND_INTX_DISABLE;
769 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
770
771 /* PCIe -- adjust Maximum Read Request Size (2048). */
772 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
773 pcie_set_readrq(ha->pdev, 2048);
774
775 pci_disable_rom(ha->pdev);
776
777 ha->chip_revision = ha->pdev->revision;
778
779 return QLA_SUCCESS;
780 }
781
782 /**
783 * qla2x00_isp_firmware() - Choose firmware image.
784 * @ha: HA context
785 *
786 * Returns 0 on success.
787 */
788 static int
789 qla2x00_isp_firmware(scsi_qla_host_t *vha)
790 {
791 int rval;
792 uint16_t loop_id, topo, sw_cap;
793 uint8_t domain, area, al_pa;
794 struct qla_hw_data *ha = vha->hw;
795
796 /* Assume loading risc code */
797 rval = QLA_FUNCTION_FAILED;
798
799 if (ha->flags.disable_risc_code_load) {
800 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
801
802 /* Verify checksum of loaded RISC code. */
803 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
804 if (rval == QLA_SUCCESS) {
805 /* And, verify we are not in ROM code. */
806 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
807 &area, &domain, &topo, &sw_cap);
808 }
809 }
810
811 if (rval)
812 ql_dbg(ql_dbg_init, vha, 0x007a,
813 "**** Load RISC code ****.\n");
814
815 return (rval);
816 }
817
818 /**
819 * qla2x00_reset_chip() - Reset ISP chip.
820 * @ha: HA context
821 *
822 * Returns 0 on success.
823 */
824 void
825 qla2x00_reset_chip(scsi_qla_host_t *vha)
826 {
827 unsigned long flags = 0;
828 struct qla_hw_data *ha = vha->hw;
829 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
830 uint32_t cnt;
831 uint16_t cmd;
832
833 if (unlikely(pci_channel_offline(ha->pdev)))
834 return;
835
836 ha->isp_ops->disable_intrs(ha);
837
838 spin_lock_irqsave(&ha->hardware_lock, flags);
839
840 /* Turn off master enable */
841 cmd = 0;
842 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
843 cmd &= ~PCI_COMMAND_MASTER;
844 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
845
846 if (!IS_QLA2100(ha)) {
847 /* Pause RISC. */
848 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
849 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
850 for (cnt = 0; cnt < 30000; cnt++) {
851 if ((RD_REG_WORD(&reg->hccr) &
852 HCCR_RISC_PAUSE) != 0)
853 break;
854 udelay(100);
855 }
856 } else {
857 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
858 udelay(10);
859 }
860
861 /* Select FPM registers. */
862 WRT_REG_WORD(&reg->ctrl_status, 0x20);
863 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
864
865 /* FPM Soft Reset. */
866 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
867 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
868
869 /* Toggle Fpm Reset. */
870 if (!IS_QLA2200(ha)) {
871 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
872 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
873 }
874
875 /* Select frame buffer registers. */
876 WRT_REG_WORD(&reg->ctrl_status, 0x10);
877 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
878
879 /* Reset frame buffer FIFOs. */
880 if (IS_QLA2200(ha)) {
881 WRT_FB_CMD_REG(ha, reg, 0xa000);
882 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
883 } else {
884 WRT_FB_CMD_REG(ha, reg, 0x00fc);
885
886 /* Read back fb_cmd until zero or 3 seconds max */
887 for (cnt = 0; cnt < 3000; cnt++) {
888 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
889 break;
890 udelay(100);
891 }
892 }
893
894 /* Select RISC module registers. */
895 WRT_REG_WORD(&reg->ctrl_status, 0);
896 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
897
898 /* Reset RISC processor. */
899 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
900 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
901
902 /* Release RISC processor. */
903 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
904 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
905 }
906
907 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
908 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
909
910 /* Reset ISP chip. */
911 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
912
913 /* Wait for RISC to recover from reset. */
914 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
915 /*
916 * It is necessary to for a delay here since the card doesn't
917 * respond to PCI reads during a reset. On some architectures
918 * this will result in an MCA.
919 */
920 udelay(20);
921 for (cnt = 30000; cnt; cnt--) {
922 if ((RD_REG_WORD(&reg->ctrl_status) &
923 CSR_ISP_SOFT_RESET) == 0)
924 break;
925 udelay(100);
926 }
927 } else
928 udelay(10);
929
930 /* Reset RISC processor. */
931 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
932
933 WRT_REG_WORD(&reg->semaphore, 0);
934
935 /* Release RISC processor. */
936 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
937 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
938
939 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
940 for (cnt = 0; cnt < 30000; cnt++) {
941 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
942 break;
943
944 udelay(100);
945 }
946 } else
947 udelay(100);
948
949 /* Turn on master enable */
950 cmd |= PCI_COMMAND_MASTER;
951 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
952
953 /* Disable RISC pause on FPM parity error. */
954 if (!IS_QLA2100(ha)) {
955 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
956 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
957 }
958
959 spin_unlock_irqrestore(&ha->hardware_lock, flags);
960 }
961
962 /**
963 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
964 *
965 * Returns 0 on success.
966 */
967 int
968 qla81xx_reset_mpi(scsi_qla_host_t *vha)
969 {
970 uint16_t mb[4] = {0x1010, 0, 1, 0};
971
972 return qla81xx_write_mpi_register(vha, mb);
973 }
974
975 /**
976 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
977 * @ha: HA context
978 *
979 * Returns 0 on success.
980 */
981 static inline void
982 qla24xx_reset_risc(scsi_qla_host_t *vha)
983 {
984 unsigned long flags = 0;
985 struct qla_hw_data *ha = vha->hw;
986 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
987 uint32_t cnt, d2;
988 uint16_t wd;
989 static int abts_cnt; /* ISP abort retry counts */
990
991 spin_lock_irqsave(&ha->hardware_lock, flags);
992
993 /* Reset RISC. */
994 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
995 for (cnt = 0; cnt < 30000; cnt++) {
996 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
997 break;
998
999 udelay(10);
1000 }
1001
1002 WRT_REG_DWORD(&reg->ctrl_status,
1003 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1004 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1005
1006 udelay(100);
1007 /* Wait for firmware to complete NVRAM accesses. */
1008 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1009 for (cnt = 10000 ; cnt && d2; cnt--) {
1010 udelay(5);
1011 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1012 barrier();
1013 }
1014
1015 /* Wait for soft-reset to complete. */
1016 d2 = RD_REG_DWORD(&reg->ctrl_status);
1017 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1018 udelay(5);
1019 d2 = RD_REG_DWORD(&reg->ctrl_status);
1020 barrier();
1021 }
1022
1023 /* If required, do an MPI FW reset now */
1024 if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1025 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1026 if (++abts_cnt < 5) {
1027 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1028 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1029 } else {
1030 /*
1031 * We exhausted the ISP abort retries. We have to
1032 * set the board offline.
1033 */
1034 abts_cnt = 0;
1035 vha->flags.online = 0;
1036 }
1037 }
1038 }
1039
1040 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1041 RD_REG_DWORD(&reg->hccr);
1042
1043 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1044 RD_REG_DWORD(&reg->hccr);
1045
1046 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1047 RD_REG_DWORD(&reg->hccr);
1048
1049 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1050 for (cnt = 6000000 ; cnt && d2; cnt--) {
1051 udelay(5);
1052 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1053 barrier();
1054 }
1055
1056 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1057
1058 if (IS_NOPOLLING_TYPE(ha))
1059 ha->isp_ops->enable_intrs(ha);
1060 }
1061
1062 /**
1063 * qla24xx_reset_chip() - Reset ISP24xx chip.
1064 * @ha: HA context
1065 *
1066 * Returns 0 on success.
1067 */
1068 void
1069 qla24xx_reset_chip(scsi_qla_host_t *vha)
1070 {
1071 struct qla_hw_data *ha = vha->hw;
1072
1073 if (pci_channel_offline(ha->pdev) &&
1074 ha->flags.pci_channel_io_perm_failure) {
1075 return;
1076 }
1077
1078 ha->isp_ops->disable_intrs(ha);
1079
1080 /* Perform RISC reset. */
1081 qla24xx_reset_risc(vha);
1082 }
1083
1084 /**
1085 * qla2x00_chip_diag() - Test chip for proper operation.
1086 * @ha: HA context
1087 *
1088 * Returns 0 on success.
1089 */
1090 int
1091 qla2x00_chip_diag(scsi_qla_host_t *vha)
1092 {
1093 int rval;
1094 struct qla_hw_data *ha = vha->hw;
1095 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1096 unsigned long flags = 0;
1097 uint16_t data;
1098 uint32_t cnt;
1099 uint16_t mb[5];
1100 struct req_que *req = ha->req_q_map[0];
1101
1102 /* Assume a failed state */
1103 rval = QLA_FUNCTION_FAILED;
1104
1105 ql_dbg(ql_dbg_init, vha, 0x007b,
1106 "Testing device at %lx.\n", (u_long)&reg->flash_address);
1107
1108 spin_lock_irqsave(&ha->hardware_lock, flags);
1109
1110 /* Reset ISP chip. */
1111 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1112
1113 /*
1114 * We need to have a delay here since the card will not respond while
1115 * in reset causing an MCA on some architectures.
1116 */
1117 udelay(20);
1118 data = qla2x00_debounce_register(&reg->ctrl_status);
1119 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1120 udelay(5);
1121 data = RD_REG_WORD(&reg->ctrl_status);
1122 barrier();
1123 }
1124
1125 if (!cnt)
1126 goto chip_diag_failed;
1127
1128 ql_dbg(ql_dbg_init, vha, 0x007c,
1129 "Reset register cleared by chip reset.\n");
1130
1131 /* Reset RISC processor. */
1132 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1133 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1134
1135 /* Workaround for QLA2312 PCI parity error */
1136 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1137 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1138 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1139 udelay(5);
1140 data = RD_MAILBOX_REG(ha, reg, 0);
1141 barrier();
1142 }
1143 } else
1144 udelay(10);
1145
1146 if (!cnt)
1147 goto chip_diag_failed;
1148
1149 /* Check product ID of chip */
1150 ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1151
1152 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1153 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1154 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1155 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1156 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1157 mb[3] != PROD_ID_3) {
1158 ql_log(ql_log_warn, vha, 0x0062,
1159 "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1160 mb[1], mb[2], mb[3]);
1161
1162 goto chip_diag_failed;
1163 }
1164 ha->product_id[0] = mb[1];
1165 ha->product_id[1] = mb[2];
1166 ha->product_id[2] = mb[3];
1167 ha->product_id[3] = mb[4];
1168
1169 /* Adjust fw RISC transfer size */
1170 if (req->length > 1024)
1171 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1172 else
1173 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1174 req->length;
1175
1176 if (IS_QLA2200(ha) &&
1177 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1178 /* Limit firmware transfer size with a 2200A */
1179 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1180
1181 ha->device_type |= DT_ISP2200A;
1182 ha->fw_transfer_size = 128;
1183 }
1184
1185 /* Wrap Incoming Mailboxes Test. */
1186 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1187
1188 ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1189 rval = qla2x00_mbx_reg_test(vha);
1190 if (rval)
1191 ql_log(ql_log_warn, vha, 0x0080,
1192 "Failed mailbox send register test.\n");
1193 else
1194 /* Flag a successful rval */
1195 rval = QLA_SUCCESS;
1196 spin_lock_irqsave(&ha->hardware_lock, flags);
1197
1198 chip_diag_failed:
1199 if (rval)
1200 ql_log(ql_log_info, vha, 0x0081,
1201 "Chip diagnostics **** FAILED ****.\n");
1202
1203 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1204
1205 return (rval);
1206 }
1207
1208 /**
1209 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1210 * @ha: HA context
1211 *
1212 * Returns 0 on success.
1213 */
1214 int
1215 qla24xx_chip_diag(scsi_qla_host_t *vha)
1216 {
1217 int rval;
1218 struct qla_hw_data *ha = vha->hw;
1219 struct req_que *req = ha->req_q_map[0];
1220
1221 if (IS_QLA82XX(ha))
1222 return QLA_SUCCESS;
1223
1224 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1225
1226 rval = qla2x00_mbx_reg_test(vha);
1227 if (rval) {
1228 ql_log(ql_log_warn, vha, 0x0082,
1229 "Failed mailbox send register test.\n");
1230 } else {
1231 /* Flag a successful rval */
1232 rval = QLA_SUCCESS;
1233 }
1234
1235 return rval;
1236 }
1237
1238 void
1239 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1240 {
1241 int rval;
1242 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1243 eft_size, fce_size, mq_size;
1244 dma_addr_t tc_dma;
1245 void *tc;
1246 struct qla_hw_data *ha = vha->hw;
1247 struct req_que *req = ha->req_q_map[0];
1248 struct rsp_que *rsp = ha->rsp_q_map[0];
1249
1250 if (ha->fw_dump) {
1251 ql_dbg(ql_dbg_init, vha, 0x00bd,
1252 "Firmware dump already allocated.\n");
1253 return;
1254 }
1255
1256 ha->fw_dumped = 0;
1257 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1258 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1259 fixed_size = sizeof(struct qla2100_fw_dump);
1260 } else if (IS_QLA23XX(ha)) {
1261 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1262 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1263 sizeof(uint16_t);
1264 } else if (IS_FWI2_CAPABLE(ha)) {
1265 if (IS_QLA81XX(ha))
1266 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1267 else if (IS_QLA25XX(ha))
1268 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1269 else
1270 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1271 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1272 sizeof(uint32_t);
1273 if (ha->mqenable)
1274 mq_size = sizeof(struct qla2xxx_mq_chain);
1275 /* Allocate memory for Fibre Channel Event Buffer. */
1276 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1277 goto try_eft;
1278
1279 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1280 GFP_KERNEL);
1281 if (!tc) {
1282 ql_log(ql_log_warn, vha, 0x00be,
1283 "Unable to allocate (%d KB) for FCE.\n",
1284 FCE_SIZE / 1024);
1285 goto try_eft;
1286 }
1287
1288 memset(tc, 0, FCE_SIZE);
1289 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1290 ha->fce_mb, &ha->fce_bufs);
1291 if (rval) {
1292 ql_log(ql_log_warn, vha, 0x00bf,
1293 "Unable to initialize FCE (%d).\n", rval);
1294 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1295 tc_dma);
1296 ha->flags.fce_enabled = 0;
1297 goto try_eft;
1298 }
1299 ql_dbg(ql_dbg_init, vha, 0x00c0,
1300 "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1301
1302 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1303 ha->flags.fce_enabled = 1;
1304 ha->fce_dma = tc_dma;
1305 ha->fce = tc;
1306 try_eft:
1307 /* Allocate memory for Extended Trace Buffer. */
1308 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1309 GFP_KERNEL);
1310 if (!tc) {
1311 ql_log(ql_log_warn, vha, 0x00c1,
1312 "Unable to allocate (%d KB) for EFT.\n",
1313 EFT_SIZE / 1024);
1314 goto cont_alloc;
1315 }
1316
1317 memset(tc, 0, EFT_SIZE);
1318 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1319 if (rval) {
1320 ql_log(ql_log_warn, vha, 0x00c2,
1321 "Unable to initialize EFT (%d).\n", rval);
1322 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1323 tc_dma);
1324 goto cont_alloc;
1325 }
1326 ql_dbg(ql_dbg_init, vha, 0x00c3,
1327 "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1328
1329 eft_size = EFT_SIZE;
1330 ha->eft_dma = tc_dma;
1331 ha->eft = tc;
1332 }
1333 cont_alloc:
1334 req_q_size = req->length * sizeof(request_t);
1335 rsp_q_size = rsp->length * sizeof(response_t);
1336
1337 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1338 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1339 ha->chain_offset = dump_size;
1340 dump_size += mq_size + fce_size;
1341
1342 ha->fw_dump = vmalloc(dump_size);
1343 if (!ha->fw_dump) {
1344 ql_log(ql_log_warn, vha, 0x00c4,
1345 "Unable to allocate (%d KB) for firmware dump.\n",
1346 dump_size / 1024);
1347
1348 if (ha->fce) {
1349 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1350 ha->fce_dma);
1351 ha->fce = NULL;
1352 ha->fce_dma = 0;
1353 }
1354
1355 if (ha->eft) {
1356 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1357 ha->eft_dma);
1358 ha->eft = NULL;
1359 ha->eft_dma = 0;
1360 }
1361 return;
1362 }
1363 ql_dbg(ql_dbg_init, vha, 0x00c5,
1364 "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1365
1366 ha->fw_dump_len = dump_size;
1367 ha->fw_dump->signature[0] = 'Q';
1368 ha->fw_dump->signature[1] = 'L';
1369 ha->fw_dump->signature[2] = 'G';
1370 ha->fw_dump->signature[3] = 'C';
1371 ha->fw_dump->version = __constant_htonl(1);
1372
1373 ha->fw_dump->fixed_size = htonl(fixed_size);
1374 ha->fw_dump->mem_size = htonl(mem_size);
1375 ha->fw_dump->req_q_size = htonl(req_q_size);
1376 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1377
1378 ha->fw_dump->eft_size = htonl(eft_size);
1379 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1380 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1381
1382 ha->fw_dump->header_size =
1383 htonl(offsetof(struct qla2xxx_fw_dump, isp));
1384 }
1385
1386 static int
1387 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1388 {
1389 #define MPS_MASK 0xe0
1390 int rval;
1391 uint16_t dc;
1392 uint32_t dw;
1393
1394 if (!IS_QLA81XX(vha->hw))
1395 return QLA_SUCCESS;
1396
1397 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1398 if (rval != QLA_SUCCESS) {
1399 ql_log(ql_log_warn, vha, 0x0105,
1400 "Unable to acquire semaphore.\n");
1401 goto done;
1402 }
1403
1404 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1405 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1406 if (rval != QLA_SUCCESS) {
1407 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1408 goto done_release;
1409 }
1410
1411 dc &= MPS_MASK;
1412 if (dc == (dw & MPS_MASK))
1413 goto done_release;
1414
1415 dw &= ~MPS_MASK;
1416 dw |= dc;
1417 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1418 if (rval != QLA_SUCCESS) {
1419 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1420 }
1421
1422 done_release:
1423 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1424 if (rval != QLA_SUCCESS) {
1425 ql_log(ql_log_warn, vha, 0x006d,
1426 "Unable to release semaphore.\n");
1427 }
1428
1429 done:
1430 return rval;
1431 }
1432
1433 /**
1434 * qla2x00_setup_chip() - Load and start RISC firmware.
1435 * @ha: HA context
1436 *
1437 * Returns 0 on success.
1438 */
1439 static int
1440 qla2x00_setup_chip(scsi_qla_host_t *vha)
1441 {
1442 int rval;
1443 uint32_t srisc_address = 0;
1444 struct qla_hw_data *ha = vha->hw;
1445 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1446 unsigned long flags;
1447 uint16_t fw_major_version;
1448
1449 if (IS_QLA82XX(ha)) {
1450 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1451 if (rval == QLA_SUCCESS) {
1452 qla2x00_stop_firmware(vha);
1453 goto enable_82xx_npiv;
1454 } else
1455 goto failed;
1456 }
1457
1458 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1459 /* Disable SRAM, Instruction RAM and GP RAM parity. */
1460 spin_lock_irqsave(&ha->hardware_lock, flags);
1461 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1462 RD_REG_WORD(&reg->hccr);
1463 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1464 }
1465
1466 qla81xx_mpi_sync(vha);
1467
1468 /* Load firmware sequences */
1469 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1470 if (rval == QLA_SUCCESS) {
1471 ql_dbg(ql_dbg_init, vha, 0x00c9,
1472 "Verifying Checksum of loaded RISC code.\n");
1473
1474 rval = qla2x00_verify_checksum(vha, srisc_address);
1475 if (rval == QLA_SUCCESS) {
1476 /* Start firmware execution. */
1477 ql_dbg(ql_dbg_init, vha, 0x00ca,
1478 "Starting firmware.\n");
1479
1480 rval = qla2x00_execute_fw(vha, srisc_address);
1481 /* Retrieve firmware information. */
1482 if (rval == QLA_SUCCESS) {
1483 enable_82xx_npiv:
1484 fw_major_version = ha->fw_major_version;
1485 if (IS_QLA82XX(ha))
1486 qla82xx_check_md_needed(vha);
1487 else {
1488 rval = qla2x00_get_fw_version(vha,
1489 &ha->fw_major_version,
1490 &ha->fw_minor_version,
1491 &ha->fw_subminor_version,
1492 &ha->fw_attributes,
1493 &ha->fw_memory_size,
1494 ha->mpi_version,
1495 &ha->mpi_capabilities,
1496 ha->phy_version);
1497 }
1498 if (rval != QLA_SUCCESS)
1499 goto failed;
1500 ha->flags.npiv_supported = 0;
1501 if (IS_QLA2XXX_MIDTYPE(ha) &&
1502 (ha->fw_attributes & BIT_2)) {
1503 ha->flags.npiv_supported = 1;
1504 if ((!ha->max_npiv_vports) ||
1505 ((ha->max_npiv_vports + 1) %
1506 MIN_MULTI_ID_FABRIC))
1507 ha->max_npiv_vports =
1508 MIN_MULTI_ID_FABRIC - 1;
1509 }
1510 qla2x00_get_resource_cnts(vha, NULL,
1511 &ha->fw_xcb_count, NULL, NULL,
1512 &ha->max_npiv_vports, NULL);
1513
1514 if (!fw_major_version && ql2xallocfwdump
1515 && !IS_QLA82XX(ha))
1516 qla2x00_alloc_fw_dump(vha);
1517 }
1518 } else {
1519 ql_log(ql_log_fatal, vha, 0x00cd,
1520 "ISP Firmware failed checksum.\n");
1521 goto failed;
1522 }
1523 }
1524
1525 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1526 /* Enable proper parity. */
1527 spin_lock_irqsave(&ha->hardware_lock, flags);
1528 if (IS_QLA2300(ha))
1529 /* SRAM parity */
1530 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1531 else
1532 /* SRAM, Instruction RAM and GP RAM parity */
1533 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1534 RD_REG_WORD(&reg->hccr);
1535 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1536 }
1537
1538 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1539 uint32_t size;
1540
1541 rval = qla81xx_fac_get_sector_size(vha, &size);
1542 if (rval == QLA_SUCCESS) {
1543 ha->flags.fac_supported = 1;
1544 ha->fdt_block_size = size << 2;
1545 } else {
1546 ql_log(ql_log_warn, vha, 0x00ce,
1547 "Unsupported FAC firmware (%d.%02d.%02d).\n",
1548 ha->fw_major_version, ha->fw_minor_version,
1549 ha->fw_subminor_version);
1550 }
1551 }
1552 failed:
1553 if (rval) {
1554 ql_log(ql_log_fatal, vha, 0x00cf,
1555 "Setup chip ****FAILED****.\n");
1556 }
1557
1558 return (rval);
1559 }
1560
1561 /**
1562 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1563 * @ha: HA context
1564 *
1565 * Beginning of request ring has initialization control block already built
1566 * by nvram config routine.
1567 *
1568 * Returns 0 on success.
1569 */
1570 void
1571 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1572 {
1573 uint16_t cnt;
1574 response_t *pkt;
1575
1576 rsp->ring_ptr = rsp->ring;
1577 rsp->ring_index = 0;
1578 rsp->status_srb = NULL;
1579 pkt = rsp->ring_ptr;
1580 for (cnt = 0; cnt < rsp->length; cnt++) {
1581 pkt->signature = RESPONSE_PROCESSED;
1582 pkt++;
1583 }
1584 }
1585
1586 /**
1587 * qla2x00_update_fw_options() - Read and process firmware options.
1588 * @ha: HA context
1589 *
1590 * Returns 0 on success.
1591 */
1592 void
1593 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1594 {
1595 uint16_t swing, emphasis, tx_sens, rx_sens;
1596 struct qla_hw_data *ha = vha->hw;
1597
1598 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1599 qla2x00_get_fw_options(vha, ha->fw_options);
1600
1601 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1602 return;
1603
1604 /* Serial Link options. */
1605 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1606 "Serial link options.\n");
1607 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1608 (uint8_t *)&ha->fw_seriallink_options,
1609 sizeof(ha->fw_seriallink_options));
1610
1611 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1612 if (ha->fw_seriallink_options[3] & BIT_2) {
1613 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1614
1615 /* 1G settings */
1616 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1617 emphasis = (ha->fw_seriallink_options[2] &
1618 (BIT_4 | BIT_3)) >> 3;
1619 tx_sens = ha->fw_seriallink_options[0] &
1620 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1621 rx_sens = (ha->fw_seriallink_options[0] &
1622 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1623 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1624 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1625 if (rx_sens == 0x0)
1626 rx_sens = 0x3;
1627 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1628 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1629 ha->fw_options[10] |= BIT_5 |
1630 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1631 (tx_sens & (BIT_1 | BIT_0));
1632
1633 /* 2G settings */
1634 swing = (ha->fw_seriallink_options[2] &
1635 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1636 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1637 tx_sens = ha->fw_seriallink_options[1] &
1638 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1639 rx_sens = (ha->fw_seriallink_options[1] &
1640 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1641 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1642 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1643 if (rx_sens == 0x0)
1644 rx_sens = 0x3;
1645 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1646 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1647 ha->fw_options[11] |= BIT_5 |
1648 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1649 (tx_sens & (BIT_1 | BIT_0));
1650 }
1651
1652 /* FCP2 options. */
1653 /* Return command IOCBs without waiting for an ABTS to complete. */
1654 ha->fw_options[3] |= BIT_13;
1655
1656 /* LED scheme. */
1657 if (ha->flags.enable_led_scheme)
1658 ha->fw_options[2] |= BIT_12;
1659
1660 /* Detect ISP6312. */
1661 if (IS_QLA6312(ha))
1662 ha->fw_options[2] |= BIT_13;
1663
1664 /* Update firmware options. */
1665 qla2x00_set_fw_options(vha, ha->fw_options);
1666 }
1667
1668 void
1669 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1670 {
1671 int rval;
1672 struct qla_hw_data *ha = vha->hw;
1673
1674 if (IS_QLA82XX(ha))
1675 return;
1676
1677 /* Update Serial Link options. */
1678 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1679 return;
1680
1681 rval = qla2x00_set_serdes_params(vha,
1682 le16_to_cpu(ha->fw_seriallink_options24[1]),
1683 le16_to_cpu(ha->fw_seriallink_options24[2]),
1684 le16_to_cpu(ha->fw_seriallink_options24[3]));
1685 if (rval != QLA_SUCCESS) {
1686 ql_log(ql_log_warn, vha, 0x0104,
1687 "Unable to update Serial Link options (%x).\n", rval);
1688 }
1689 }
1690
1691 void
1692 qla2x00_config_rings(struct scsi_qla_host *vha)
1693 {
1694 struct qla_hw_data *ha = vha->hw;
1695 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1696 struct req_que *req = ha->req_q_map[0];
1697 struct rsp_que *rsp = ha->rsp_q_map[0];
1698
1699 /* Setup ring parameters in initialization control block. */
1700 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1701 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1702 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1703 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1704 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1705 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1706 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1707 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1708
1709 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1710 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1711 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1712 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1713 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1714 }
1715
1716 void
1717 qla24xx_config_rings(struct scsi_qla_host *vha)
1718 {
1719 struct qla_hw_data *ha = vha->hw;
1720 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1721 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1722 struct qla_msix_entry *msix;
1723 struct init_cb_24xx *icb;
1724 uint16_t rid = 0;
1725 struct req_que *req = ha->req_q_map[0];
1726 struct rsp_que *rsp = ha->rsp_q_map[0];
1727
1728 /* Setup ring parameters in initialization control block. */
1729 icb = (struct init_cb_24xx *)ha->init_cb;
1730 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1731 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1732 icb->request_q_length = cpu_to_le16(req->length);
1733 icb->response_q_length = cpu_to_le16(rsp->length);
1734 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1735 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1736 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1737 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1738
1739 if (ha->mqenable) {
1740 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1741 icb->rid = __constant_cpu_to_le16(rid);
1742 if (ha->flags.msix_enabled) {
1743 msix = &ha->msix_entries[1];
1744 ql_dbg(ql_dbg_init, vha, 0x00fd,
1745 "Registering vector 0x%x for base que.\n",
1746 msix->entry);
1747 icb->msix = cpu_to_le16(msix->entry);
1748 }
1749 /* Use alternate PCI bus number */
1750 if (MSB(rid))
1751 icb->firmware_options_2 |=
1752 __constant_cpu_to_le32(BIT_19);
1753 /* Use alternate PCI devfn */
1754 if (LSB(rid))
1755 icb->firmware_options_2 |=
1756 __constant_cpu_to_le32(BIT_18);
1757
1758 /* Use Disable MSIX Handshake mode for capable adapters */
1759 if (IS_MSIX_NACK_CAPABLE(ha)) {
1760 icb->firmware_options_2 &=
1761 __constant_cpu_to_le32(~BIT_22);
1762 ha->flags.disable_msix_handshake = 1;
1763 ql_dbg(ql_dbg_init, vha, 0x00fe,
1764 "MSIX Handshake Disable Mode turned on.\n");
1765 } else {
1766 icb->firmware_options_2 |=
1767 __constant_cpu_to_le32(BIT_22);
1768 }
1769 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1770
1771 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1772 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1773 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1774 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1775 } else {
1776 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1777 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1778 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1779 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1780 }
1781 /* PCI posting */
1782 RD_REG_DWORD(&ioreg->hccr);
1783 }
1784
1785 /**
1786 * qla2x00_init_rings() - Initializes firmware.
1787 * @ha: HA context
1788 *
1789 * Beginning of request ring has initialization control block already built
1790 * by nvram config routine.
1791 *
1792 * Returns 0 on success.
1793 */
1794 static int
1795 qla2x00_init_rings(scsi_qla_host_t *vha)
1796 {
1797 int rval;
1798 unsigned long flags = 0;
1799 int cnt, que;
1800 struct qla_hw_data *ha = vha->hw;
1801 struct req_que *req;
1802 struct rsp_que *rsp;
1803 struct scsi_qla_host *vp;
1804 struct mid_init_cb_24xx *mid_init_cb =
1805 (struct mid_init_cb_24xx *) ha->init_cb;
1806
1807 spin_lock_irqsave(&ha->hardware_lock, flags);
1808
1809 /* Clear outstanding commands array. */
1810 for (que = 0; que < ha->max_req_queues; que++) {
1811 req = ha->req_q_map[que];
1812 if (!req)
1813 continue;
1814 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1815 req->outstanding_cmds[cnt] = NULL;
1816
1817 req->current_outstanding_cmd = 1;
1818
1819 /* Initialize firmware. */
1820 req->ring_ptr = req->ring;
1821 req->ring_index = 0;
1822 req->cnt = req->length;
1823 }
1824
1825 for (que = 0; que < ha->max_rsp_queues; que++) {
1826 rsp = ha->rsp_q_map[que];
1827 if (!rsp)
1828 continue;
1829 /* Initialize response queue entries */
1830 qla2x00_init_response_q_entries(rsp);
1831 }
1832
1833 spin_lock(&ha->vport_slock);
1834 /* Clear RSCN queue. */
1835 list_for_each_entry(vp, &ha->vp_list, list) {
1836 vp->rscn_in_ptr = 0;
1837 vp->rscn_out_ptr = 0;
1838 }
1839
1840 spin_unlock(&ha->vport_slock);
1841
1842 ha->isp_ops->config_rings(vha);
1843
1844 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1845
1846 /* Update any ISP specific firmware options before initialization. */
1847 ha->isp_ops->update_fw_options(vha);
1848
1849 ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
1850
1851 if (ha->flags.npiv_supported) {
1852 if (ha->operating_mode == LOOP)
1853 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1854 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1855 }
1856
1857 if (IS_FWI2_CAPABLE(ha)) {
1858 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1859 mid_init_cb->init_cb.execution_throttle =
1860 cpu_to_le16(ha->fw_xcb_count);
1861 }
1862
1863 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1864 if (rval) {
1865 ql_log(ql_log_fatal, vha, 0x00d2,
1866 "Init Firmware **** FAILED ****.\n");
1867 } else {
1868 ql_dbg(ql_dbg_init, vha, 0x00d3,
1869 "Init Firmware -- success.\n");
1870 }
1871
1872 return (rval);
1873 }
1874
1875 /**
1876 * qla2x00_fw_ready() - Waits for firmware ready.
1877 * @ha: HA context
1878 *
1879 * Returns 0 on success.
1880 */
1881 static int
1882 qla2x00_fw_ready(scsi_qla_host_t *vha)
1883 {
1884 int rval;
1885 unsigned long wtime, mtime, cs84xx_time;
1886 uint16_t min_wait; /* Minimum wait time if loop is down */
1887 uint16_t wait_time; /* Wait time if loop is coming ready */
1888 uint16_t state[5];
1889 struct qla_hw_data *ha = vha->hw;
1890
1891 rval = QLA_SUCCESS;
1892
1893 /* 20 seconds for loop down. */
1894 min_wait = 20;
1895
1896 /*
1897 * Firmware should take at most one RATOV to login, plus 5 seconds for
1898 * our own processing.
1899 */
1900 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1901 wait_time = min_wait;
1902 }
1903
1904 /* Min wait time if loop down */
1905 mtime = jiffies + (min_wait * HZ);
1906
1907 /* wait time before firmware ready */
1908 wtime = jiffies + (wait_time * HZ);
1909
1910 /* Wait for ISP to finish LIP */
1911 if (!vha->flags.init_done)
1912 ql_log(ql_log_info, vha, 0x801e,
1913 "Waiting for LIP to complete.\n");
1914
1915 do {
1916 rval = qla2x00_get_firmware_state(vha, state);
1917 if (rval == QLA_SUCCESS) {
1918 if (state[0] < FSTATE_LOSS_OF_SYNC) {
1919 vha->device_flags &= ~DFLG_NO_CABLE;
1920 }
1921 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1922 ql_dbg(ql_dbg_taskm, vha, 0x801f,
1923 "fw_state=%x 84xx=%x.\n", state[0],
1924 state[2]);
1925 if ((state[2] & FSTATE_LOGGED_IN) &&
1926 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1927 ql_dbg(ql_dbg_taskm, vha, 0x8028,
1928 "Sending verify iocb.\n");
1929
1930 cs84xx_time = jiffies;
1931 rval = qla84xx_init_chip(vha);
1932 if (rval != QLA_SUCCESS) {
1933 ql_log(ql_log_warn,
1934 vha, 0x8007,
1935 "Init chip failed.\n");
1936 break;
1937 }
1938
1939 /* Add time taken to initialize. */
1940 cs84xx_time = jiffies - cs84xx_time;
1941 wtime += cs84xx_time;
1942 mtime += cs84xx_time;
1943 ql_dbg(ql_dbg_taskm, vha, 0x8008,
1944 "Increasing wait time by %ld. "
1945 "New time %ld.\n", cs84xx_time,
1946 wtime);
1947 }
1948 } else if (state[0] == FSTATE_READY) {
1949 ql_dbg(ql_dbg_taskm, vha, 0x8037,
1950 "F/W Ready - OK.\n");
1951
1952 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1953 &ha->login_timeout, &ha->r_a_tov);
1954
1955 rval = QLA_SUCCESS;
1956 break;
1957 }
1958
1959 rval = QLA_FUNCTION_FAILED;
1960
1961 if (atomic_read(&vha->loop_down_timer) &&
1962 state[0] != FSTATE_READY) {
1963 /* Loop down. Timeout on min_wait for states
1964 * other than Wait for Login.
1965 */
1966 if (time_after_eq(jiffies, mtime)) {
1967 ql_log(ql_log_info, vha, 0x8038,
1968 "Cable is unplugged...\n");
1969
1970 vha->device_flags |= DFLG_NO_CABLE;
1971 break;
1972 }
1973 }
1974 } else {
1975 /* Mailbox cmd failed. Timeout on min_wait. */
1976 if (time_after_eq(jiffies, mtime) ||
1977 ha->flags.isp82xx_fw_hung)
1978 break;
1979 }
1980
1981 if (time_after_eq(jiffies, wtime))
1982 break;
1983
1984 /* Delay for a while */
1985 msleep(500);
1986 } while (1);
1987
1988 ql_dbg(ql_dbg_taskm, vha, 0x803a,
1989 "fw_state=%x (%x, %x, %x, %x) " "curr time=%lx.\n", state[0],
1990 state[1], state[2], state[3], state[4], jiffies);
1991
1992 if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
1993 ql_log(ql_log_warn, vha, 0x803b,
1994 "Firmware ready **** FAILED ****.\n");
1995 }
1996
1997 return (rval);
1998 }
1999
2000 /*
2001 * qla2x00_configure_hba
2002 * Setup adapter context.
2003 *
2004 * Input:
2005 * ha = adapter state pointer.
2006 *
2007 * Returns:
2008 * 0 = success
2009 *
2010 * Context:
2011 * Kernel context.
2012 */
2013 static int
2014 qla2x00_configure_hba(scsi_qla_host_t *vha)
2015 {
2016 int rval;
2017 uint16_t loop_id;
2018 uint16_t topo;
2019 uint16_t sw_cap;
2020 uint8_t al_pa;
2021 uint8_t area;
2022 uint8_t domain;
2023 char connect_type[22];
2024 struct qla_hw_data *ha = vha->hw;
2025
2026 /* Get host addresses. */
2027 rval = qla2x00_get_adapter_id(vha,
2028 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2029 if (rval != QLA_SUCCESS) {
2030 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2031 IS_QLA8XXX_TYPE(ha) ||
2032 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2033 ql_dbg(ql_dbg_disc, vha, 0x2008,
2034 "Loop is in a transition state.\n");
2035 } else {
2036 ql_log(ql_log_warn, vha, 0x2009,
2037 "Unable to get host loop ID.\n");
2038 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2039 }
2040 return (rval);
2041 }
2042
2043 if (topo == 4) {
2044 ql_log(ql_log_info, vha, 0x200a,
2045 "Cannot get topology - retrying.\n");
2046 return (QLA_FUNCTION_FAILED);
2047 }
2048
2049 vha->loop_id = loop_id;
2050
2051 /* initialize */
2052 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2053 ha->operating_mode = LOOP;
2054 ha->switch_cap = 0;
2055
2056 switch (topo) {
2057 case 0:
2058 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2059 ha->current_topology = ISP_CFG_NL;
2060 strcpy(connect_type, "(Loop)");
2061 break;
2062
2063 case 1:
2064 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2065 ha->switch_cap = sw_cap;
2066 ha->current_topology = ISP_CFG_FL;
2067 strcpy(connect_type, "(FL_Port)");
2068 break;
2069
2070 case 2:
2071 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2072 ha->operating_mode = P2P;
2073 ha->current_topology = ISP_CFG_N;
2074 strcpy(connect_type, "(N_Port-to-N_Port)");
2075 break;
2076
2077 case 3:
2078 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2079 ha->switch_cap = sw_cap;
2080 ha->operating_mode = P2P;
2081 ha->current_topology = ISP_CFG_F;
2082 strcpy(connect_type, "(F_Port)");
2083 break;
2084
2085 default:
2086 ql_dbg(ql_dbg_disc, vha, 0x200f,
2087 "HBA in unknown topology %x, using NL.\n", topo);
2088 ha->current_topology = ISP_CFG_NL;
2089 strcpy(connect_type, "(Loop)");
2090 break;
2091 }
2092
2093 /* Save Host port and loop ID. */
2094 /* byte order - Big Endian */
2095 vha->d_id.b.domain = domain;
2096 vha->d_id.b.area = area;
2097 vha->d_id.b.al_pa = al_pa;
2098
2099 if (!vha->flags.init_done)
2100 ql_log(ql_log_info, vha, 0x2010,
2101 "Topology - %s, Host Loop address 0x%x.\n",
2102 connect_type, vha->loop_id);
2103
2104 if (rval) {
2105 ql_log(ql_log_warn, vha, 0x2011,
2106 "%s FAILED\n", __func__);
2107 } else {
2108 ql_dbg(ql_dbg_disc, vha, 0x2012,
2109 "%s success\n", __func__);
2110 }
2111
2112 return(rval);
2113 }
2114
2115 inline void
2116 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2117 char *def)
2118 {
2119 char *st, *en;
2120 uint16_t index;
2121 struct qla_hw_data *ha = vha->hw;
2122 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2123 !IS_QLA8XXX_TYPE(ha);
2124
2125 if (memcmp(model, BINZERO, len) != 0) {
2126 strncpy(ha->model_number, model, len);
2127 st = en = ha->model_number;
2128 en += len - 1;
2129 while (en > st) {
2130 if (*en != 0x20 && *en != 0x00)
2131 break;
2132 *en-- = '\0';
2133 }
2134
2135 index = (ha->pdev->subsystem_device & 0xff);
2136 if (use_tbl &&
2137 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2138 index < QLA_MODEL_NAMES)
2139 strncpy(ha->model_desc,
2140 qla2x00_model_name[index * 2 + 1],
2141 sizeof(ha->model_desc) - 1);
2142 } else {
2143 index = (ha->pdev->subsystem_device & 0xff);
2144 if (use_tbl &&
2145 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2146 index < QLA_MODEL_NAMES) {
2147 strcpy(ha->model_number,
2148 qla2x00_model_name[index * 2]);
2149 strncpy(ha->model_desc,
2150 qla2x00_model_name[index * 2 + 1],
2151 sizeof(ha->model_desc) - 1);
2152 } else {
2153 strcpy(ha->model_number, def);
2154 }
2155 }
2156 if (IS_FWI2_CAPABLE(ha))
2157 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2158 sizeof(ha->model_desc));
2159 }
2160
2161 /* On sparc systems, obtain port and node WWN from firmware
2162 * properties.
2163 */
2164 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2165 {
2166 #ifdef CONFIG_SPARC
2167 struct qla_hw_data *ha = vha->hw;
2168 struct pci_dev *pdev = ha->pdev;
2169 struct device_node *dp = pci_device_to_OF_node(pdev);
2170 const u8 *val;
2171 int len;
2172
2173 val = of_get_property(dp, "port-wwn", &len);
2174 if (val && len >= WWN_SIZE)
2175 memcpy(nv->port_name, val, WWN_SIZE);
2176
2177 val = of_get_property(dp, "node-wwn", &len);
2178 if (val && len >= WWN_SIZE)
2179 memcpy(nv->node_name, val, WWN_SIZE);
2180 #endif
2181 }
2182
2183 /*
2184 * NVRAM configuration for ISP 2xxx
2185 *
2186 * Input:
2187 * ha = adapter block pointer.
2188 *
2189 * Output:
2190 * initialization control block in response_ring
2191 * host adapters parameters in host adapter block
2192 *
2193 * Returns:
2194 * 0 = success.
2195 */
2196 int
2197 qla2x00_nvram_config(scsi_qla_host_t *vha)
2198 {
2199 int rval;
2200 uint8_t chksum = 0;
2201 uint16_t cnt;
2202 uint8_t *dptr1, *dptr2;
2203 struct qla_hw_data *ha = vha->hw;
2204 init_cb_t *icb = ha->init_cb;
2205 nvram_t *nv = ha->nvram;
2206 uint8_t *ptr = ha->nvram;
2207 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2208
2209 rval = QLA_SUCCESS;
2210
2211 /* Determine NVRAM starting address. */
2212 ha->nvram_size = sizeof(nvram_t);
2213 ha->nvram_base = 0;
2214 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2215 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2216 ha->nvram_base = 0x80;
2217
2218 /* Get NVRAM data and calculate checksum. */
2219 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2220 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2221 chksum += *ptr++;
2222
2223 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2224 "Contents of NVRAM.\n");
2225 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2226 (uint8_t *)nv, ha->nvram_size);
2227
2228 /* Bad NVRAM data, set defaults parameters. */
2229 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2230 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2231 /* Reset NVRAM data. */
2232 ql_log(ql_log_warn, vha, 0x0064,
2233 "Inconisistent NVRAM "
2234 "detected: checksum=0x%x id=%c version=0x%x.\n",
2235 chksum, nv->id[0], nv->nvram_version);
2236 ql_log(ql_log_warn, vha, 0x0065,
2237 "Falling back to "
2238 "functioning (yet invalid -- WWPN) defaults.\n");
2239
2240 /*
2241 * Set default initialization control block.
2242 */
2243 memset(nv, 0, ha->nvram_size);
2244 nv->parameter_block_version = ICB_VERSION;
2245
2246 if (IS_QLA23XX(ha)) {
2247 nv->firmware_options[0] = BIT_2 | BIT_1;
2248 nv->firmware_options[1] = BIT_7 | BIT_5;
2249 nv->add_firmware_options[0] = BIT_5;
2250 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2251 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2252 nv->special_options[1] = BIT_7;
2253 } else if (IS_QLA2200(ha)) {
2254 nv->firmware_options[0] = BIT_2 | BIT_1;
2255 nv->firmware_options[1] = BIT_7 | BIT_5;
2256 nv->add_firmware_options[0] = BIT_5;
2257 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2258 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2259 } else if (IS_QLA2100(ha)) {
2260 nv->firmware_options[0] = BIT_3 | BIT_1;
2261 nv->firmware_options[1] = BIT_5;
2262 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2263 }
2264
2265 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2266 nv->execution_throttle = __constant_cpu_to_le16(16);
2267 nv->retry_count = 8;
2268 nv->retry_delay = 1;
2269
2270 nv->port_name[0] = 33;
2271 nv->port_name[3] = 224;
2272 nv->port_name[4] = 139;
2273
2274 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2275
2276 nv->login_timeout = 4;
2277
2278 /*
2279 * Set default host adapter parameters
2280 */
2281 nv->host_p[1] = BIT_2;
2282 nv->reset_delay = 5;
2283 nv->port_down_retry_count = 8;
2284 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2285 nv->link_down_timeout = 60;
2286
2287 rval = 1;
2288 }
2289
2290 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2291 /*
2292 * The SN2 does not provide BIOS emulation which means you can't change
2293 * potentially bogus BIOS settings. Force the use of default settings
2294 * for link rate and frame size. Hope that the rest of the settings
2295 * are valid.
2296 */
2297 if (ia64_platform_is("sn2")) {
2298 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2299 if (IS_QLA23XX(ha))
2300 nv->special_options[1] = BIT_7;
2301 }
2302 #endif
2303
2304 /* Reset Initialization control block */
2305 memset(icb, 0, ha->init_cb_size);
2306
2307 /*
2308 * Setup driver NVRAM options.
2309 */
2310 nv->firmware_options[0] |= (BIT_6 | BIT_1);
2311 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2312 nv->firmware_options[1] |= (BIT_5 | BIT_0);
2313 nv->firmware_options[1] &= ~BIT_4;
2314
2315 if (IS_QLA23XX(ha)) {
2316 nv->firmware_options[0] |= BIT_2;
2317 nv->firmware_options[0] &= ~BIT_3;
2318 nv->firmware_options[0] &= ~BIT_6;
2319 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2320
2321 if (IS_QLA2300(ha)) {
2322 if (ha->fb_rev == FPM_2310) {
2323 strcpy(ha->model_number, "QLA2310");
2324 } else {
2325 strcpy(ha->model_number, "QLA2300");
2326 }
2327 } else {
2328 qla2x00_set_model_info(vha, nv->model_number,
2329 sizeof(nv->model_number), "QLA23xx");
2330 }
2331 } else if (IS_QLA2200(ha)) {
2332 nv->firmware_options[0] |= BIT_2;
2333 /*
2334 * 'Point-to-point preferred, else loop' is not a safe
2335 * connection mode setting.
2336 */
2337 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2338 (BIT_5 | BIT_4)) {
2339 /* Force 'loop preferred, else point-to-point'. */
2340 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2341 nv->add_firmware_options[0] |= BIT_5;
2342 }
2343 strcpy(ha->model_number, "QLA22xx");
2344 } else /*if (IS_QLA2100(ha))*/ {
2345 strcpy(ha->model_number, "QLA2100");
2346 }
2347
2348 /*
2349 * Copy over NVRAM RISC parameter block to initialization control block.
2350 */
2351 dptr1 = (uint8_t *)icb;
2352 dptr2 = (uint8_t *)&nv->parameter_block_version;
2353 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2354 while (cnt--)
2355 *dptr1++ = *dptr2++;
2356
2357 /* Copy 2nd half. */
2358 dptr1 = (uint8_t *)icb->add_firmware_options;
2359 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2360 while (cnt--)
2361 *dptr1++ = *dptr2++;
2362
2363 /* Use alternate WWN? */
2364 if (nv->host_p[1] & BIT_7) {
2365 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2366 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2367 }
2368
2369 /* Prepare nodename */
2370 if ((icb->firmware_options[1] & BIT_6) == 0) {
2371 /*
2372 * Firmware will apply the following mask if the nodename was
2373 * not provided.
2374 */
2375 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2376 icb->node_name[0] &= 0xF0;
2377 }
2378
2379 /*
2380 * Set host adapter parameters.
2381 */
2382
2383 /*
2384 * BIT_7 in the host-parameters section allows for modification to
2385 * internal driver logging.
2386 */
2387 if (nv->host_p[0] & BIT_7)
2388 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2389 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2390 /* Always load RISC code on non ISP2[12]00 chips. */
2391 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2392 ha->flags.disable_risc_code_load = 0;
2393 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2394 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2395 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2396 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2397 ha->flags.disable_serdes = 0;
2398
2399 ha->operating_mode =
2400 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2401
2402 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2403 sizeof(ha->fw_seriallink_options));
2404
2405 /* save HBA serial number */
2406 ha->serial0 = icb->port_name[5];
2407 ha->serial1 = icb->port_name[6];
2408 ha->serial2 = icb->port_name[7];
2409 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2410 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2411
2412 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2413
2414 ha->retry_count = nv->retry_count;
2415
2416 /* Set minimum login_timeout to 4 seconds. */
2417 if (nv->login_timeout != ql2xlogintimeout)
2418 nv->login_timeout = ql2xlogintimeout;
2419 if (nv->login_timeout < 4)
2420 nv->login_timeout = 4;
2421 ha->login_timeout = nv->login_timeout;
2422 icb->login_timeout = nv->login_timeout;
2423
2424 /* Set minimum RATOV to 100 tenths of a second. */
2425 ha->r_a_tov = 100;
2426
2427 ha->loop_reset_delay = nv->reset_delay;
2428
2429 /* Link Down Timeout = 0:
2430 *
2431 * When Port Down timer expires we will start returning
2432 * I/O's to OS with "DID_NO_CONNECT".
2433 *
2434 * Link Down Timeout != 0:
2435 *
2436 * The driver waits for the link to come up after link down
2437 * before returning I/Os to OS with "DID_NO_CONNECT".
2438 */
2439 if (nv->link_down_timeout == 0) {
2440 ha->loop_down_abort_time =
2441 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2442 } else {
2443 ha->link_down_timeout = nv->link_down_timeout;
2444 ha->loop_down_abort_time =
2445 (LOOP_DOWN_TIME - ha->link_down_timeout);
2446 }
2447
2448 /*
2449 * Need enough time to try and get the port back.
2450 */
2451 ha->port_down_retry_count = nv->port_down_retry_count;
2452 if (qlport_down_retry)
2453 ha->port_down_retry_count = qlport_down_retry;
2454 /* Set login_retry_count */
2455 ha->login_retry_count = nv->retry_count;
2456 if (ha->port_down_retry_count == nv->port_down_retry_count &&
2457 ha->port_down_retry_count > 3)
2458 ha->login_retry_count = ha->port_down_retry_count;
2459 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2460 ha->login_retry_count = ha->port_down_retry_count;
2461 if (ql2xloginretrycount)
2462 ha->login_retry_count = ql2xloginretrycount;
2463
2464 icb->lun_enables = __constant_cpu_to_le16(0);
2465 icb->command_resource_count = 0;
2466 icb->immediate_notify_resource_count = 0;
2467 icb->timeout = __constant_cpu_to_le16(0);
2468
2469 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2470 /* Enable RIO */
2471 icb->firmware_options[0] &= ~BIT_3;
2472 icb->add_firmware_options[0] &=
2473 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2474 icb->add_firmware_options[0] |= BIT_2;
2475 icb->response_accumulation_timer = 3;
2476 icb->interrupt_delay_timer = 5;
2477
2478 vha->flags.process_response_queue = 1;
2479 } else {
2480 /* Enable ZIO. */
2481 if (!vha->flags.init_done) {
2482 ha->zio_mode = icb->add_firmware_options[0] &
2483 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2484 ha->zio_timer = icb->interrupt_delay_timer ?
2485 icb->interrupt_delay_timer: 2;
2486 }
2487 icb->add_firmware_options[0] &=
2488 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2489 vha->flags.process_response_queue = 0;
2490 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2491 ha->zio_mode = QLA_ZIO_MODE_6;
2492
2493 ql_log(ql_log_info, vha, 0x0068,
2494 "ZIO mode %d enabled; timer delay (%d us).\n",
2495 ha->zio_mode, ha->zio_timer * 100);
2496
2497 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2498 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2499 vha->flags.process_response_queue = 1;
2500 }
2501 }
2502
2503 if (rval) {
2504 ql_log(ql_log_warn, vha, 0x0069,
2505 "NVRAM configuration failed.\n");
2506 }
2507 return (rval);
2508 }
2509
2510 static void
2511 qla2x00_rport_del(void *data)
2512 {
2513 fc_port_t *fcport = data;
2514 struct fc_rport *rport;
2515 unsigned long flags;
2516
2517 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2518 rport = fcport->drport ? fcport->drport: fcport->rport;
2519 fcport->drport = NULL;
2520 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2521 if (rport)
2522 fc_remote_port_delete(rport);
2523 }
2524
2525 /**
2526 * qla2x00_alloc_fcport() - Allocate a generic fcport.
2527 * @ha: HA context
2528 * @flags: allocation flags
2529 *
2530 * Returns a pointer to the allocated fcport, or NULL, if none available.
2531 */
2532 fc_port_t *
2533 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2534 {
2535 fc_port_t *fcport;
2536
2537 fcport = kzalloc(sizeof(fc_port_t), flags);
2538 if (!fcport)
2539 return NULL;
2540
2541 /* Setup fcport template structure. */
2542 fcport->vha = vha;
2543 fcport->vp_idx = vha->vp_idx;
2544 fcport->port_type = FCT_UNKNOWN;
2545 fcport->loop_id = FC_NO_LOOP_ID;
2546 qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2547 fcport->supported_classes = FC_COS_UNSPECIFIED;
2548
2549 return fcport;
2550 }
2551
2552 /*
2553 * qla2x00_configure_loop
2554 * Updates Fibre Channel Device Database with what is actually on loop.
2555 *
2556 * Input:
2557 * ha = adapter block pointer.
2558 *
2559 * Returns:
2560 * 0 = success.
2561 * 1 = error.
2562 * 2 = database was full and device was not configured.
2563 */
2564 static int
2565 qla2x00_configure_loop(scsi_qla_host_t *vha)
2566 {
2567 int rval;
2568 unsigned long flags, save_flags;
2569 struct qla_hw_data *ha = vha->hw;
2570 rval = QLA_SUCCESS;
2571
2572 /* Get Initiator ID */
2573 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2574 rval = qla2x00_configure_hba(vha);
2575 if (rval != QLA_SUCCESS) {
2576 ql_dbg(ql_dbg_disc, vha, 0x2013,
2577 "Unable to configure HBA.\n");
2578 return (rval);
2579 }
2580 }
2581
2582 save_flags = flags = vha->dpc_flags;
2583 ql_dbg(ql_dbg_disc, vha, 0x2014,
2584 "Configure loop -- dpc flags = 0x%lx.\n", flags);
2585
2586 /*
2587 * If we have both an RSCN and PORT UPDATE pending then handle them
2588 * both at the same time.
2589 */
2590 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2591 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2592
2593 qla2x00_get_data_rate(vha);
2594
2595 /* Determine what we need to do */
2596 if (ha->current_topology == ISP_CFG_FL &&
2597 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2598
2599 vha->flags.rscn_queue_overflow = 1;
2600 set_bit(RSCN_UPDATE, &flags);
2601
2602 } else if (ha->current_topology == ISP_CFG_F &&
2603 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2604
2605 vha->flags.rscn_queue_overflow = 1;
2606 set_bit(RSCN_UPDATE, &flags);
2607 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2608
2609 } else if (ha->current_topology == ISP_CFG_N) {
2610 clear_bit(RSCN_UPDATE, &flags);
2611
2612 } else if (!vha->flags.online ||
2613 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2614
2615 vha->flags.rscn_queue_overflow = 1;
2616 set_bit(RSCN_UPDATE, &flags);
2617 set_bit(LOCAL_LOOP_UPDATE, &flags);
2618 }
2619
2620 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2621 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2622 ql_dbg(ql_dbg_disc, vha, 0x2015,
2623 "Loop resync needed, failing.\n");
2624 rval = QLA_FUNCTION_FAILED;
2625 }
2626 else
2627 rval = qla2x00_configure_local_loop(vha);
2628 }
2629
2630 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2631 if (LOOP_TRANSITION(vha)) {
2632 ql_dbg(ql_dbg_disc, vha, 0x201e,
2633 "Needs RSCN update and loop transition.\n");
2634 rval = QLA_FUNCTION_FAILED;
2635 }
2636 else
2637 rval = qla2x00_configure_fabric(vha);
2638 }
2639
2640 if (rval == QLA_SUCCESS) {
2641 if (atomic_read(&vha->loop_down_timer) ||
2642 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2643 rval = QLA_FUNCTION_FAILED;
2644 } else {
2645 atomic_set(&vha->loop_state, LOOP_READY);
2646 ql_dbg(ql_dbg_disc, vha, 0x2069,
2647 "LOOP READY.\n");
2648 }
2649 }
2650
2651 if (rval) {
2652 ql_dbg(ql_dbg_disc, vha, 0x206a,
2653 "%s *** FAILED ***.\n", __func__);
2654 } else {
2655 ql_dbg(ql_dbg_disc, vha, 0x206b,
2656 "%s: exiting normally.\n", __func__);
2657 }
2658
2659 /* Restore state if a resync event occurred during processing */
2660 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2661 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2662 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2663 if (test_bit(RSCN_UPDATE, &save_flags)) {
2664 set_bit(RSCN_UPDATE, &vha->dpc_flags);
2665 if (!IS_ALOGIO_CAPABLE(ha))
2666 vha->flags.rscn_queue_overflow = 1;
2667 }
2668 }
2669
2670 return (rval);
2671 }
2672
2673
2674
2675 /*
2676 * qla2x00_configure_local_loop
2677 * Updates Fibre Channel Device Database with local loop devices.
2678 *
2679 * Input:
2680 * ha = adapter block pointer.
2681 *
2682 * Returns:
2683 * 0 = success.
2684 */
2685 static int
2686 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2687 {
2688 int rval, rval2;
2689 int found_devs;
2690 int found;
2691 fc_port_t *fcport, *new_fcport;
2692
2693 uint16_t index;
2694 uint16_t entries;
2695 char *id_iter;
2696 uint16_t loop_id;
2697 uint8_t domain, area, al_pa;
2698 struct qla_hw_data *ha = vha->hw;
2699
2700 found_devs = 0;
2701 new_fcport = NULL;
2702 entries = MAX_FIBRE_DEVICES;
2703
2704 ql_dbg(ql_dbg_disc, vha, 0x2016,
2705 "Getting FCAL position map.\n");
2706 if (ql2xextended_error_logging & ql_dbg_disc)
2707 qla2x00_get_fcal_position_map(vha, NULL);
2708
2709 /* Get list of logged in devices. */
2710 memset(ha->gid_list, 0, GID_LIST_SIZE);
2711 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2712 &entries);
2713 if (rval != QLA_SUCCESS)
2714 goto cleanup_allocation;
2715
2716 ql_dbg(ql_dbg_disc, vha, 0x2017,
2717 "Entries in ID list (%d).\n", entries);
2718 ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
2719 (uint8_t *)ha->gid_list,
2720 entries * sizeof(struct gid_list_info));
2721
2722 /* Allocate temporary fcport for any new fcports discovered. */
2723 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2724 if (new_fcport == NULL) {
2725 ql_log(ql_log_warn, vha, 0x2018,
2726 "Memory allocation failed for fcport.\n");
2727 rval = QLA_MEMORY_ALLOC_FAILED;
2728 goto cleanup_allocation;
2729 }
2730 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2731
2732 /*
2733 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2734 */
2735 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2736 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2737 fcport->port_type != FCT_BROADCAST &&
2738 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2739
2740 ql_dbg(ql_dbg_disc, vha, 0x2019,
2741 "Marking port lost loop_id=0x%04x.\n",
2742 fcport->loop_id);
2743
2744 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2745 }
2746 }
2747
2748 /* Add devices to port list. */
2749 id_iter = (char *)ha->gid_list;
2750 for (index = 0; index < entries; index++) {
2751 domain = ((struct gid_list_info *)id_iter)->domain;
2752 area = ((struct gid_list_info *)id_iter)->area;
2753 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2754 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2755 loop_id = (uint16_t)
2756 ((struct gid_list_info *)id_iter)->loop_id_2100;
2757 else
2758 loop_id = le16_to_cpu(
2759 ((struct gid_list_info *)id_iter)->loop_id);
2760 id_iter += ha->gid_list_info_size;
2761
2762 /* Bypass reserved domain fields. */
2763 if ((domain & 0xf0) == 0xf0)
2764 continue;
2765
2766 /* Bypass if not same domain and area of adapter. */
2767 if (area && domain &&
2768 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2769 continue;
2770
2771 /* Bypass invalid local loop ID. */
2772 if (loop_id > LAST_LOCAL_LOOP_ID)
2773 continue;
2774
2775 /* Fill in member data. */
2776 new_fcport->d_id.b.domain = domain;
2777 new_fcport->d_id.b.area = area;
2778 new_fcport->d_id.b.al_pa = al_pa;
2779 new_fcport->loop_id = loop_id;
2780 new_fcport->vp_idx = vha->vp_idx;
2781 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2782 if (rval2 != QLA_SUCCESS) {
2783 ql_dbg(ql_dbg_disc, vha, 0x201a,
2784 "Failed to retrieve fcport information "
2785 "-- get_port_database=%x, loop_id=0x%04x.\n",
2786 rval2, new_fcport->loop_id);
2787 ql_dbg(ql_dbg_disc, vha, 0x201b,
2788 "Scheduling resync.\n");
2789 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2790 continue;
2791 }
2792
2793 /* Check for matching device in port list. */
2794 found = 0;
2795 fcport = NULL;
2796 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2797 if (memcmp(new_fcport->port_name, fcport->port_name,
2798 WWN_SIZE))
2799 continue;
2800
2801 fcport->flags &= ~FCF_FABRIC_DEVICE;
2802 fcport->loop_id = new_fcport->loop_id;
2803 fcport->port_type = new_fcport->port_type;
2804 fcport->d_id.b24 = new_fcport->d_id.b24;
2805 memcpy(fcport->node_name, new_fcport->node_name,
2806 WWN_SIZE);
2807
2808 found++;
2809 break;
2810 }
2811
2812 if (!found) {
2813 /* New device, add to fcports list. */
2814 if (vha->vp_idx) {
2815 new_fcport->vha = vha;
2816 new_fcport->vp_idx = vha->vp_idx;
2817 }
2818 list_add_tail(&new_fcport->list, &vha->vp_fcports);
2819
2820 /* Allocate a new replacement fcport. */
2821 fcport = new_fcport;
2822 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2823 if (new_fcport == NULL) {
2824 ql_log(ql_log_warn, vha, 0x201c,
2825 "Failed to allocate memory for fcport.\n");
2826 rval = QLA_MEMORY_ALLOC_FAILED;
2827 goto cleanup_allocation;
2828 }
2829 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2830 }
2831
2832 /* Base iIDMA settings on HBA port speed. */
2833 fcport->fp_speed = ha->link_data_rate;
2834
2835 qla2x00_update_fcport(vha, fcport);
2836
2837 found_devs++;
2838 }
2839
2840 cleanup_allocation:
2841 kfree(new_fcport);
2842
2843 if (rval != QLA_SUCCESS) {
2844 ql_dbg(ql_dbg_disc, vha, 0x201d,
2845 "Configure local loop error exit: rval=%x.\n", rval);
2846 }
2847
2848 return (rval);
2849 }
2850
2851 static void
2852 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2853 {
2854 #define LS_UNKNOWN 2
2855 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2856 char *link_speed;
2857 int rval;
2858 uint16_t mb[4];
2859 struct qla_hw_data *ha = vha->hw;
2860
2861 if (!IS_IIDMA_CAPABLE(ha))
2862 return;
2863
2864 if (atomic_read(&fcport->state) != FCS_ONLINE)
2865 return;
2866
2867 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2868 fcport->fp_speed > ha->link_data_rate)
2869 return;
2870
2871 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2872 mb);
2873 if (rval != QLA_SUCCESS) {
2874 ql_dbg(ql_dbg_disc, vha, 0x2004,
2875 "Unable to adjust iIDMA "
2876 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x "
2877 "%04x.\n", fcport->port_name[0], fcport->port_name[1],
2878 fcport->port_name[2], fcport->port_name[3],
2879 fcport->port_name[4], fcport->port_name[5],
2880 fcport->port_name[6], fcport->port_name[7], rval,
2881 fcport->fp_speed, mb[0], mb[1]);
2882 } else {
2883 link_speed = link_speeds[LS_UNKNOWN];
2884 if (fcport->fp_speed < 5)
2885 link_speed = link_speeds[fcport->fp_speed];
2886 else if (fcport->fp_speed == 0x13)
2887 link_speed = link_speeds[5];
2888 ql_dbg(ql_dbg_disc, vha, 0x2005,
2889 "iIDMA adjusted to %s GB/s "
2890 "on %02x%02x%02x%02x%02x%02x%02x%02x.\n", link_speed,
2891 fcport->port_name[0], fcport->port_name[1],
2892 fcport->port_name[2], fcport->port_name[3],
2893 fcport->port_name[4], fcport->port_name[5],
2894 fcport->port_name[6], fcport->port_name[7]);
2895 }
2896 }
2897
2898 static void
2899 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2900 {
2901 struct fc_rport_identifiers rport_ids;
2902 struct fc_rport *rport;
2903 unsigned long flags;
2904
2905 qla2x00_rport_del(fcport);
2906
2907 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2908 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2909 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2910 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2911 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2912 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2913 if (!rport) {
2914 ql_log(ql_log_warn, vha, 0x2006,
2915 "Unable to allocate fc remote port.\n");
2916 return;
2917 }
2918 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2919 *((fc_port_t **)rport->dd_data) = fcport;
2920 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2921
2922 rport->supported_classes = fcport->supported_classes;
2923
2924 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2925 if (fcport->port_type == FCT_INITIATOR)
2926 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2927 if (fcport->port_type == FCT_TARGET)
2928 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2929 fc_remote_port_rolechg(rport, rport_ids.roles);
2930 }
2931
2932 /*
2933 * qla2x00_update_fcport
2934 * Updates device on list.
2935 *
2936 * Input:
2937 * ha = adapter block pointer.
2938 * fcport = port structure pointer.
2939 *
2940 * Return:
2941 * 0 - Success
2942 * BIT_0 - error
2943 *
2944 * Context:
2945 * Kernel context.
2946 */
2947 void
2948 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2949 {
2950 fcport->vha = vha;
2951 fcport->login_retry = 0;
2952 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2953
2954 qla2x00_iidma_fcport(vha, fcport);
2955 qla24xx_update_fcport_fcp_prio(vha, fcport);
2956 qla2x00_reg_remote_port(vha, fcport);
2957 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
2958 }
2959
2960 /*
2961 * qla2x00_configure_fabric
2962 * Setup SNS devices with loop ID's.
2963 *
2964 * Input:
2965 * ha = adapter block pointer.
2966 *
2967 * Returns:
2968 * 0 = success.
2969 * BIT_0 = error
2970 */
2971 static int
2972 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2973 {
2974 int rval, rval2;
2975 fc_port_t *fcport, *fcptemp;
2976 uint16_t next_loopid;
2977 uint16_t mb[MAILBOX_REGISTER_COUNT];
2978 uint16_t loop_id;
2979 LIST_HEAD(new_fcports);
2980 struct qla_hw_data *ha = vha->hw;
2981 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2982
2983 /* If FL port exists, then SNS is present */
2984 if (IS_FWI2_CAPABLE(ha))
2985 loop_id = NPH_F_PORT;
2986 else
2987 loop_id = SNS_FL_PORT;
2988 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2989 if (rval != QLA_SUCCESS) {
2990 ql_dbg(ql_dbg_disc, vha, 0x201f,
2991 "MBX_GET_PORT_NAME failed, No FL Port.\n");
2992
2993 vha->device_flags &= ~SWITCH_FOUND;
2994 return (QLA_SUCCESS);
2995 }
2996 vha->device_flags |= SWITCH_FOUND;
2997
2998 /* Mark devices that need re-synchronization. */
2999 rval2 = qla2x00_device_resync(vha);
3000 if (rval2 == QLA_RSCNS_HANDLED) {
3001 /* No point doing the scan, just continue. */
3002 return (QLA_SUCCESS);
3003 }
3004 do {
3005 /* FDMI support. */
3006 if (ql2xfdmienable &&
3007 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3008 qla2x00_fdmi_register(vha);
3009
3010 /* Ensure we are logged into the SNS. */
3011 if (IS_FWI2_CAPABLE(ha))
3012 loop_id = NPH_SNS;
3013 else
3014 loop_id = SIMPLE_NAME_SERVER;
3015 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3016 0xfc, mb, BIT_1 | BIT_0);
3017 if (mb[0] != MBS_COMMAND_COMPLETE) {
3018 ql_dbg(ql_dbg_disc, vha, 0x2042,
3019 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3020 "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3021 mb[2], mb[6], mb[7]);
3022 return (QLA_SUCCESS);
3023 }
3024
3025 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3026 if (qla2x00_rft_id(vha)) {
3027 /* EMPTY */
3028 ql_dbg(ql_dbg_disc, vha, 0x2045,
3029 "Register FC-4 TYPE failed.\n");
3030 }
3031 if (qla2x00_rff_id(vha)) {
3032 /* EMPTY */
3033 ql_dbg(ql_dbg_disc, vha, 0x2049,
3034 "Register FC-4 Features failed.\n");
3035 }
3036 if (qla2x00_rnn_id(vha)) {
3037 /* EMPTY */
3038 ql_dbg(ql_dbg_disc, vha, 0x204f,
3039 "Register Node Name failed.\n");
3040 } else if (qla2x00_rsnn_nn(vha)) {
3041 /* EMPTY */
3042 ql_dbg(ql_dbg_disc, vha, 0x2053,
3043 "Register Symobilic Node Name failed.\n");
3044 }
3045 }
3046
3047 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3048 if (rval != QLA_SUCCESS)
3049 break;
3050
3051 /*
3052 * Logout all previous fabric devices marked lost, except
3053 * FCP2 devices.
3054 */
3055 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3056 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3057 break;
3058
3059 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3060 continue;
3061
3062 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3063 qla2x00_mark_device_lost(vha, fcport,
3064 ql2xplogiabsentdevice, 0);
3065 if (fcport->loop_id != FC_NO_LOOP_ID &&
3066 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3067 fcport->port_type != FCT_INITIATOR &&
3068 fcport->port_type != FCT_BROADCAST) {
3069 ha->isp_ops->fabric_logout(vha,
3070 fcport->loop_id,
3071 fcport->d_id.b.domain,
3072 fcport->d_id.b.area,
3073 fcport->d_id.b.al_pa);
3074 fcport->loop_id = FC_NO_LOOP_ID;
3075 }
3076 }
3077 }
3078
3079 /* Starting free loop ID. */
3080 next_loopid = ha->min_external_loopid;
3081
3082 /*
3083 * Scan through our port list and login entries that need to be
3084 * logged in.
3085 */
3086 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3087 if (atomic_read(&vha->loop_down_timer) ||
3088 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3089 break;
3090
3091 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3092 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3093 continue;
3094
3095 if (fcport->loop_id == FC_NO_LOOP_ID) {
3096 fcport->loop_id = next_loopid;
3097 rval = qla2x00_find_new_loop_id(
3098 base_vha, fcport);
3099 if (rval != QLA_SUCCESS) {
3100 /* Ran out of IDs to use */
3101 break;
3102 }
3103 }
3104 /* Login and update database */
3105 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3106 }
3107
3108 /* Exit if out of loop IDs. */
3109 if (rval != QLA_SUCCESS) {
3110 break;
3111 }
3112
3113 /*
3114 * Login and add the new devices to our port list.
3115 */
3116 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3117 if (atomic_read(&vha->loop_down_timer) ||
3118 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3119 break;
3120
3121 /* Find a new loop ID to use. */
3122 fcport->loop_id = next_loopid;
3123 rval = qla2x00_find_new_loop_id(base_vha, fcport);
3124 if (rval != QLA_SUCCESS) {
3125 /* Ran out of IDs to use */
3126 break;
3127 }
3128
3129 /* Login and update database */
3130 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3131
3132 if (vha->vp_idx) {
3133 fcport->vha = vha;
3134 fcport->vp_idx = vha->vp_idx;
3135 }
3136 list_move_tail(&fcport->list, &vha->vp_fcports);
3137 }
3138 } while (0);
3139
3140 /* Free all new device structures not processed. */
3141 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3142 list_del(&fcport->list);
3143 kfree(fcport);
3144 }
3145
3146 if (rval) {
3147 ql_dbg(ql_dbg_disc, vha, 0x2068,
3148 "Configure fabric error exit rval=%d.\n", rval);
3149 }
3150
3151 return (rval);
3152 }
3153
3154 /*
3155 * qla2x00_find_all_fabric_devs
3156 *
3157 * Input:
3158 * ha = adapter block pointer.
3159 * dev = database device entry pointer.
3160 *
3161 * Returns:
3162 * 0 = success.
3163 *
3164 * Context:
3165 * Kernel context.
3166 */
3167 static int
3168 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3169 struct list_head *new_fcports)
3170 {
3171 int rval;
3172 uint16_t loop_id;
3173 fc_port_t *fcport, *new_fcport, *fcptemp;
3174 int found;
3175
3176 sw_info_t *swl;
3177 int swl_idx;
3178 int first_dev, last_dev;
3179 port_id_t wrap = {}, nxt_d_id;
3180 struct qla_hw_data *ha = vha->hw;
3181 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3182 struct scsi_qla_host *tvp;
3183
3184 rval = QLA_SUCCESS;
3185
3186 /* Try GID_PT to get device list, else GAN. */
3187 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
3188 if (!swl) {
3189 /*EMPTY*/
3190 ql_dbg(ql_dbg_disc, vha, 0x2054,
3191 "GID_PT allocations failed, fallback on GA_NXT.\n");
3192 } else {
3193 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3194 kfree(swl);
3195 swl = NULL;
3196 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3197 kfree(swl);
3198 swl = NULL;
3199 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3200 kfree(swl);
3201 swl = NULL;
3202 } else if (ql2xiidmaenable &&
3203 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3204 qla2x00_gpsc(vha, swl);
3205 }
3206
3207 /* If other queries succeeded probe for FC-4 type */
3208 if (swl)
3209 qla2x00_gff_id(vha, swl);
3210 }
3211 swl_idx = 0;
3212
3213 /* Allocate temporary fcport for any new fcports discovered. */
3214 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3215 if (new_fcport == NULL) {
3216 ql_log(ql_log_warn, vha, 0x205e,
3217 "Failed to allocate memory for fcport.\n");
3218 kfree(swl);
3219 return (QLA_MEMORY_ALLOC_FAILED);
3220 }
3221 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3222 /* Set start port ID scan at adapter ID. */
3223 first_dev = 1;
3224 last_dev = 0;
3225
3226 /* Starting free loop ID. */
3227 loop_id = ha->min_external_loopid;
3228 for (; loop_id <= ha->max_loop_id; loop_id++) {
3229 if (qla2x00_is_reserved_id(vha, loop_id))
3230 continue;
3231
3232 if (ha->current_topology == ISP_CFG_FL &&
3233 (atomic_read(&vha->loop_down_timer) ||
3234 LOOP_TRANSITION(vha))) {
3235 atomic_set(&vha->loop_down_timer, 0);
3236 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3237 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3238 break;
3239 }
3240
3241 if (swl != NULL) {
3242 if (last_dev) {
3243 wrap.b24 = new_fcport->d_id.b24;
3244 } else {
3245 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3246 memcpy(new_fcport->node_name,
3247 swl[swl_idx].node_name, WWN_SIZE);
3248 memcpy(new_fcport->port_name,
3249 swl[swl_idx].port_name, WWN_SIZE);
3250 memcpy(new_fcport->fabric_port_name,
3251 swl[swl_idx].fabric_port_name, WWN_SIZE);
3252 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3253 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3254
3255 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3256 last_dev = 1;
3257 }
3258 swl_idx++;
3259 }
3260 } else {
3261 /* Send GA_NXT to the switch */
3262 rval = qla2x00_ga_nxt(vha, new_fcport);
3263 if (rval != QLA_SUCCESS) {
3264 ql_log(ql_log_warn, vha, 0x2064,
3265 "SNS scan failed -- assuming "
3266 "zero-entry result.\n");
3267 list_for_each_entry_safe(fcport, fcptemp,
3268 new_fcports, list) {
3269 list_del(&fcport->list);
3270 kfree(fcport);
3271 }
3272 rval = QLA_SUCCESS;
3273 break;
3274 }
3275 }
3276
3277 /* If wrap on switch device list, exit. */
3278 if (first_dev) {
3279 wrap.b24 = new_fcport->d_id.b24;
3280 first_dev = 0;
3281 } else if (new_fcport->d_id.b24 == wrap.b24) {
3282 ql_dbg(ql_dbg_disc, vha, 0x2065,
3283 "Device wrap (%02x%02x%02x).\n",
3284 new_fcport->d_id.b.domain,
3285 new_fcport->d_id.b.area,
3286 new_fcport->d_id.b.al_pa);
3287 break;
3288 }
3289
3290 /* Bypass if same physical adapter. */
3291 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3292 continue;
3293
3294 /* Bypass virtual ports of the same host. */
3295 found = 0;
3296 if (ha->num_vhosts) {
3297 unsigned long flags;
3298
3299 spin_lock_irqsave(&ha->vport_slock, flags);
3300 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3301 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3302 found = 1;
3303 break;
3304 }
3305 }
3306 spin_unlock_irqrestore(&ha->vport_slock, flags);
3307
3308 if (found)
3309 continue;
3310 }
3311
3312 /* Bypass if same domain and area of adapter. */
3313 if (((new_fcport->d_id.b24 & 0xffff00) ==
3314 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3315 ISP_CFG_FL)
3316 continue;
3317
3318 /* Bypass reserved domain fields. */
3319 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3320 continue;
3321
3322 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3323 if (ql2xgffidenable &&
3324 (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3325 new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3326 continue;
3327
3328 /* Locate matching device in database. */
3329 found = 0;
3330 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3331 if (memcmp(new_fcport->port_name, fcport->port_name,
3332 WWN_SIZE))
3333 continue;
3334
3335 found++;
3336
3337 /* Update port state. */
3338 memcpy(fcport->fabric_port_name,
3339 new_fcport->fabric_port_name, WWN_SIZE);
3340 fcport->fp_speed = new_fcport->fp_speed;
3341
3342 /*
3343 * If address the same and state FCS_ONLINE, nothing
3344 * changed.
3345 */
3346 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3347 atomic_read(&fcport->state) == FCS_ONLINE) {
3348 break;
3349 }
3350
3351 /*
3352 * If device was not a fabric device before.
3353 */
3354 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3355 fcport->d_id.b24 = new_fcport->d_id.b24;
3356 fcport->loop_id = FC_NO_LOOP_ID;
3357 fcport->flags |= (FCF_FABRIC_DEVICE |
3358 FCF_LOGIN_NEEDED);
3359 break;
3360 }
3361
3362 /*
3363 * Port ID changed or device was marked to be updated;
3364 * Log it out if still logged in and mark it for
3365 * relogin later.
3366 */
3367 fcport->d_id.b24 = new_fcport->d_id.b24;
3368 fcport->flags |= FCF_LOGIN_NEEDED;
3369 if (fcport->loop_id != FC_NO_LOOP_ID &&
3370 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3371 fcport->port_type != FCT_INITIATOR &&
3372 fcport->port_type != FCT_BROADCAST) {
3373 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3374 fcport->d_id.b.domain, fcport->d_id.b.area,
3375 fcport->d_id.b.al_pa);
3376 fcport->loop_id = FC_NO_LOOP_ID;
3377 }
3378
3379 break;
3380 }
3381
3382 if (found)
3383 continue;
3384 /* If device was not in our fcports list, then add it. */
3385 list_add_tail(&new_fcport->list, new_fcports);
3386
3387 /* Allocate a new replacement fcport. */
3388 nxt_d_id.b24 = new_fcport->d_id.b24;
3389 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3390 if (new_fcport == NULL) {
3391 ql_log(ql_log_warn, vha, 0x2066,
3392 "Memory allocation failed for fcport.\n");
3393 kfree(swl);
3394 return (QLA_MEMORY_ALLOC_FAILED);
3395 }
3396 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3397 new_fcport->d_id.b24 = nxt_d_id.b24;
3398 }
3399
3400 kfree(swl);
3401 kfree(new_fcport);
3402
3403 return (rval);
3404 }
3405
3406 /*
3407 * qla2x00_find_new_loop_id
3408 * Scan through our port list and find a new usable loop ID.
3409 *
3410 * Input:
3411 * ha: adapter state pointer.
3412 * dev: port structure pointer.
3413 *
3414 * Returns:
3415 * qla2x00 local function return status code.
3416 *
3417 * Context:
3418 * Kernel context.
3419 */
3420 int
3421 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3422 {
3423 int rval;
3424 int found;
3425 fc_port_t *fcport;
3426 uint16_t first_loop_id;
3427 struct qla_hw_data *ha = vha->hw;
3428 struct scsi_qla_host *vp;
3429 struct scsi_qla_host *tvp;
3430 unsigned long flags = 0;
3431
3432 rval = QLA_SUCCESS;
3433
3434 /* Save starting loop ID. */
3435 first_loop_id = dev->loop_id;
3436
3437 for (;;) {
3438 /* Skip loop ID if already used by adapter. */
3439 if (dev->loop_id == vha->loop_id)
3440 dev->loop_id++;
3441
3442 /* Skip reserved loop IDs. */
3443 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3444 dev->loop_id++;
3445
3446 /* Reset loop ID if passed the end. */
3447 if (dev->loop_id > ha->max_loop_id) {
3448 /* first loop ID. */
3449 dev->loop_id = ha->min_external_loopid;
3450 }
3451
3452 /* Check for loop ID being already in use. */
3453 found = 0;
3454 fcport = NULL;
3455
3456 spin_lock_irqsave(&ha->vport_slock, flags);
3457 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3458 list_for_each_entry(fcport, &vp->vp_fcports, list) {
3459 if (fcport->loop_id == dev->loop_id &&
3460 fcport != dev) {
3461 /* ID possibly in use */
3462 found++;
3463 break;
3464 }
3465 }
3466 if (found)
3467 break;
3468 }
3469 spin_unlock_irqrestore(&ha->vport_slock, flags);
3470
3471 /* If not in use then it is free to use. */
3472 if (!found) {
3473 break;
3474 }
3475
3476 /* ID in use. Try next value. */
3477 dev->loop_id++;
3478
3479 /* If wrap around. No free ID to use. */
3480 if (dev->loop_id == first_loop_id) {
3481 dev->loop_id = FC_NO_LOOP_ID;
3482 rval = QLA_FUNCTION_FAILED;
3483 break;
3484 }
3485 }
3486
3487 return (rval);
3488 }
3489
3490 /*
3491 * qla2x00_device_resync
3492 * Marks devices in the database that needs resynchronization.
3493 *
3494 * Input:
3495 * ha = adapter block pointer.
3496 *
3497 * Context:
3498 * Kernel context.
3499 */
3500 static int
3501 qla2x00_device_resync(scsi_qla_host_t *vha)
3502 {
3503 int rval;
3504 uint32_t mask;
3505 fc_port_t *fcport;
3506 uint32_t rscn_entry;
3507 uint8_t rscn_out_iter;
3508 uint8_t format;
3509 port_id_t d_id = {};
3510
3511 rval = QLA_RSCNS_HANDLED;
3512
3513 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3514 vha->flags.rscn_queue_overflow) {
3515
3516 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3517 format = MSB(MSW(rscn_entry));
3518 d_id.b.domain = LSB(MSW(rscn_entry));
3519 d_id.b.area = MSB(LSW(rscn_entry));
3520 d_id.b.al_pa = LSB(LSW(rscn_entry));
3521
3522 ql_dbg(ql_dbg_disc, vha, 0x2020,
3523 "RSCN queue entry[%d] = [%02x/%02x%02x%02x].\n",
3524 vha->rscn_out_ptr, format, d_id.b.domain, d_id.b.area,
3525 d_id.b.al_pa);
3526
3527 vha->rscn_out_ptr++;
3528 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3529 vha->rscn_out_ptr = 0;
3530
3531 /* Skip duplicate entries. */
3532 for (rscn_out_iter = vha->rscn_out_ptr;
3533 !vha->flags.rscn_queue_overflow &&
3534 rscn_out_iter != vha->rscn_in_ptr;
3535 rscn_out_iter = (rscn_out_iter ==
3536 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3537
3538 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3539 break;
3540
3541 ql_dbg(ql_dbg_disc, vha, 0x2021,
3542 "Skipping duplicate RSCN queue entry found at "
3543 "[%d].\n", rscn_out_iter);
3544
3545 vha->rscn_out_ptr = rscn_out_iter;
3546 }
3547
3548 /* Queue overflow, set switch default case. */
3549 if (vha->flags.rscn_queue_overflow) {
3550 ql_dbg(ql_dbg_disc, vha, 0x2022,
3551 "device_resync: rscn overflow.\n");
3552
3553 format = 3;
3554 vha->flags.rscn_queue_overflow = 0;
3555 }
3556
3557 switch (format) {
3558 case 0:
3559 mask = 0xffffff;
3560 break;
3561 case 1:
3562 mask = 0xffff00;
3563 break;
3564 case 2:
3565 mask = 0xff0000;
3566 break;
3567 default:
3568 mask = 0x0;
3569 d_id.b24 = 0;
3570 vha->rscn_out_ptr = vha->rscn_in_ptr;
3571 break;
3572 }
3573
3574 rval = QLA_SUCCESS;
3575
3576 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3577 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3578 (fcport->d_id.b24 & mask) != d_id.b24 ||
3579 fcport->port_type == FCT_BROADCAST)
3580 continue;
3581
3582 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3583 if (format != 3 ||
3584 fcport->port_type != FCT_INITIATOR) {
3585 qla2x00_mark_device_lost(vha, fcport,
3586 0, 0);
3587 }
3588 }
3589 }
3590 }
3591 return (rval);
3592 }
3593
3594 /*
3595 * qla2x00_fabric_dev_login
3596 * Login fabric target device and update FC port database.
3597 *
3598 * Input:
3599 * ha: adapter state pointer.
3600 * fcport: port structure list pointer.
3601 * next_loopid: contains value of a new loop ID that can be used
3602 * by the next login attempt.
3603 *
3604 * Returns:
3605 * qla2x00 local function return status code.
3606 *
3607 * Context:
3608 * Kernel context.
3609 */
3610 static int
3611 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3612 uint16_t *next_loopid)
3613 {
3614 int rval;
3615 int retry;
3616 uint8_t opts;
3617 struct qla_hw_data *ha = vha->hw;
3618
3619 rval = QLA_SUCCESS;
3620 retry = 0;
3621
3622 if (IS_ALOGIO_CAPABLE(ha)) {
3623 if (fcport->flags & FCF_ASYNC_SENT)
3624 return rval;
3625 fcport->flags |= FCF_ASYNC_SENT;
3626 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3627 if (!rval)
3628 return rval;
3629 }
3630
3631 fcport->flags &= ~FCF_ASYNC_SENT;
3632 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3633 if (rval == QLA_SUCCESS) {
3634 /* Send an ADISC to FCP2 devices.*/
3635 opts = 0;
3636 if (fcport->flags & FCF_FCP2_DEVICE)
3637 opts |= BIT_1;
3638 rval = qla2x00_get_port_database(vha, fcport, opts);
3639 if (rval != QLA_SUCCESS) {
3640 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3641 fcport->d_id.b.domain, fcport->d_id.b.area,
3642 fcport->d_id.b.al_pa);
3643 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3644 } else {
3645 qla2x00_update_fcport(vha, fcport);
3646 }
3647 }
3648
3649 return (rval);
3650 }
3651
3652 /*
3653 * qla2x00_fabric_login
3654 * Issue fabric login command.
3655 *
3656 * Input:
3657 * ha = adapter block pointer.
3658 * device = pointer to FC device type structure.
3659 *
3660 * Returns:
3661 * 0 - Login successfully
3662 * 1 - Login failed
3663 * 2 - Initiator device
3664 * 3 - Fatal error
3665 */
3666 int
3667 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3668 uint16_t *next_loopid)
3669 {
3670 int rval;
3671 int retry;
3672 uint16_t tmp_loopid;
3673 uint16_t mb[MAILBOX_REGISTER_COUNT];
3674 struct qla_hw_data *ha = vha->hw;
3675
3676 retry = 0;
3677 tmp_loopid = 0;
3678
3679 for (;;) {
3680 ql_dbg(ql_dbg_disc, vha, 0x2000,
3681 "Trying Fabric Login w/loop id 0x%04x for port "
3682 "%02x%02x%02x.\n",
3683 fcport->loop_id, fcport->d_id.b.domain,
3684 fcport->d_id.b.area, fcport->d_id.b.al_pa);
3685
3686 /* Login fcport on switch. */
3687 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3688 fcport->d_id.b.domain, fcport->d_id.b.area,
3689 fcport->d_id.b.al_pa, mb, BIT_0);
3690 if (mb[0] == MBS_PORT_ID_USED) {
3691 /*
3692 * Device has another loop ID. The firmware team
3693 * recommends the driver perform an implicit login with
3694 * the specified ID again. The ID we just used is save
3695 * here so we return with an ID that can be tried by
3696 * the next login.
3697 */
3698 retry++;
3699 tmp_loopid = fcport->loop_id;
3700 fcport->loop_id = mb[1];
3701
3702 ql_dbg(ql_dbg_disc, vha, 0x2001,
3703 "Fabric Login: port in use - next loop "
3704 "id=0x%04x, port id= %02x%02x%02x.\n",
3705 fcport->loop_id, fcport->d_id.b.domain,
3706 fcport->d_id.b.area, fcport->d_id.b.al_pa);
3707
3708 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3709 /*
3710 * Login succeeded.
3711 */
3712 if (retry) {
3713 /* A retry occurred before. */
3714 *next_loopid = tmp_loopid;
3715 } else {
3716 /*
3717 * No retry occurred before. Just increment the
3718 * ID value for next login.
3719 */
3720 *next_loopid = (fcport->loop_id + 1);
3721 }
3722
3723 if (mb[1] & BIT_0) {
3724 fcport->port_type = FCT_INITIATOR;
3725 } else {
3726 fcport->port_type = FCT_TARGET;
3727 if (mb[1] & BIT_1) {
3728 fcport->flags |= FCF_FCP2_DEVICE;
3729 }
3730 }
3731
3732 if (mb[10] & BIT_0)
3733 fcport->supported_classes |= FC_COS_CLASS2;
3734 if (mb[10] & BIT_1)
3735 fcport->supported_classes |= FC_COS_CLASS3;
3736
3737 rval = QLA_SUCCESS;
3738 break;
3739 } else if (mb[0] == MBS_LOOP_ID_USED) {
3740 /*
3741 * Loop ID already used, try next loop ID.
3742 */
3743 fcport->loop_id++;
3744 rval = qla2x00_find_new_loop_id(vha, fcport);
3745 if (rval != QLA_SUCCESS) {
3746 /* Ran out of loop IDs to use */
3747 break;
3748 }
3749 } else if (mb[0] == MBS_COMMAND_ERROR) {
3750 /*
3751 * Firmware possibly timed out during login. If NO
3752 * retries are left to do then the device is declared
3753 * dead.
3754 */
3755 *next_loopid = fcport->loop_id;
3756 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3757 fcport->d_id.b.domain, fcport->d_id.b.area,
3758 fcport->d_id.b.al_pa);
3759 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3760
3761 rval = 1;
3762 break;
3763 } else {
3764 /*
3765 * unrecoverable / not handled error
3766 */
3767 ql_dbg(ql_dbg_disc, vha, 0x2002,
3768 "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3769 "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3770 fcport->d_id.b.area, fcport->d_id.b.al_pa,
3771 fcport->loop_id, jiffies);
3772
3773 *next_loopid = fcport->loop_id;
3774 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3775 fcport->d_id.b.domain, fcport->d_id.b.area,
3776 fcport->d_id.b.al_pa);
3777 fcport->loop_id = FC_NO_LOOP_ID;
3778 fcport->login_retry = 0;
3779
3780 rval = 3;
3781 break;
3782 }
3783 }
3784
3785 return (rval);
3786 }
3787
3788 /*
3789 * qla2x00_local_device_login
3790 * Issue local device login command.
3791 *
3792 * Input:
3793 * ha = adapter block pointer.
3794 * loop_id = loop id of device to login to.
3795 *
3796 * Returns (Where's the #define!!!!):
3797 * 0 - Login successfully
3798 * 1 - Login failed
3799 * 3 - Fatal error
3800 */
3801 int
3802 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3803 {
3804 int rval;
3805 uint16_t mb[MAILBOX_REGISTER_COUNT];
3806
3807 memset(mb, 0, sizeof(mb));
3808 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3809 if (rval == QLA_SUCCESS) {
3810 /* Interrogate mailbox registers for any errors */
3811 if (mb[0] == MBS_COMMAND_ERROR)
3812 rval = 1;
3813 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3814 /* device not in PCB table */
3815 rval = 3;
3816 }
3817
3818 return (rval);
3819 }
3820
3821 /*
3822 * qla2x00_loop_resync
3823 * Resync with fibre channel devices.
3824 *
3825 * Input:
3826 * ha = adapter block pointer.
3827 *
3828 * Returns:
3829 * 0 = success
3830 */
3831 int
3832 qla2x00_loop_resync(scsi_qla_host_t *vha)
3833 {
3834 int rval = QLA_SUCCESS;
3835 uint32_t wait_time;
3836 struct req_que *req;
3837 struct rsp_que *rsp;
3838
3839 if (vha->hw->flags.cpu_affinity_enabled)
3840 req = vha->hw->req_q_map[0];
3841 else
3842 req = vha->req;
3843 rsp = req->rsp;
3844
3845 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3846 if (vha->flags.online) {
3847 if (!(rval = qla2x00_fw_ready(vha))) {
3848 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3849 wait_time = 256;
3850 do {
3851 /* Issue a marker after FW becomes ready. */
3852 qla2x00_marker(vha, req, rsp, 0, 0,
3853 MK_SYNC_ALL);
3854 vha->marker_needed = 0;
3855
3856 /* Remap devices on Loop. */
3857 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3858
3859 qla2x00_configure_loop(vha);
3860 wait_time--;
3861 } while (!atomic_read(&vha->loop_down_timer) &&
3862 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3863 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3864 &vha->dpc_flags)));
3865 }
3866 }
3867
3868 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3869 return (QLA_FUNCTION_FAILED);
3870
3871 if (rval)
3872 ql_dbg(ql_dbg_disc, vha, 0x206c,
3873 "%s *** FAILED ***.\n", __func__);
3874
3875 return (rval);
3876 }
3877
3878 /*
3879 * qla2x00_perform_loop_resync
3880 * Description: This function will set the appropriate flags and call
3881 * qla2x00_loop_resync. If successful loop will be resynced
3882 * Arguments : scsi_qla_host_t pointer
3883 * returm : Success or Failure
3884 */
3885
3886 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3887 {
3888 int32_t rval = 0;
3889
3890 if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3891 /*Configure the flags so that resync happens properly*/
3892 atomic_set(&ha->loop_down_timer, 0);
3893 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3894 atomic_set(&ha->loop_state, LOOP_UP);
3895 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3896 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3897 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3898
3899 rval = qla2x00_loop_resync(ha);
3900 } else
3901 atomic_set(&ha->loop_state, LOOP_DEAD);
3902
3903 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3904 }
3905
3906 return rval;
3907 }
3908
3909 void
3910 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3911 {
3912 fc_port_t *fcport;
3913 struct scsi_qla_host *vha;
3914 struct qla_hw_data *ha = base_vha->hw;
3915 unsigned long flags;
3916
3917 spin_lock_irqsave(&ha->vport_slock, flags);
3918 /* Go with deferred removal of rport references. */
3919 list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3920 atomic_inc(&vha->vref_count);
3921 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3922 if (fcport->drport &&
3923 atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3924 spin_unlock_irqrestore(&ha->vport_slock, flags);
3925
3926 qla2x00_rport_del(fcport);
3927
3928 spin_lock_irqsave(&ha->vport_slock, flags);
3929 }
3930 }
3931 atomic_dec(&vha->vref_count);
3932 }
3933 spin_unlock_irqrestore(&ha->vport_slock, flags);
3934 }
3935
3936 /*
3937 * qla82xx_quiescent_state_cleanup
3938 * Description: This function will block the new I/Os
3939 * Its not aborting any I/Os as context
3940 * is not destroyed during quiescence
3941 * Arguments: scsi_qla_host_t
3942 * return : void
3943 */
3944 void
3945 qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3946 {
3947 struct qla_hw_data *ha = vha->hw;
3948 struct scsi_qla_host *vp;
3949
3950 ql_dbg(ql_dbg_p3p, vha, 0xb002,
3951 "Performing ISP error recovery - ha=%p.\n", ha);
3952
3953 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3954 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3955 atomic_set(&vha->loop_state, LOOP_DOWN);
3956 qla2x00_mark_all_devices_lost(vha, 0);
3957 list_for_each_entry(vp, &ha->vp_list, list)
3958 qla2x00_mark_all_devices_lost(vha, 0);
3959 } else {
3960 if (!atomic_read(&vha->loop_down_timer))
3961 atomic_set(&vha->loop_down_timer,
3962 LOOP_DOWN_TIME);
3963 }
3964 /* Wait for pending cmds to complete */
3965 qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3966 }
3967
3968 void
3969 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3970 {
3971 struct qla_hw_data *ha = vha->hw;
3972 struct scsi_qla_host *vp;
3973 unsigned long flags;
3974 fc_port_t *fcport;
3975
3976 /* For ISP82XX, driver waits for completion of the commands.
3977 * online flag should be set.
3978 */
3979 if (!IS_QLA82XX(ha))
3980 vha->flags.online = 0;
3981 ha->flags.chip_reset_done = 0;
3982 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3983 ha->qla_stats.total_isp_aborts++;
3984
3985 ql_log(ql_log_info, vha, 0x00af,
3986 "Performing ISP error recovery - ha=%p.\n", ha);
3987
3988 /* For ISP82XX, reset_chip is just disabling interrupts.
3989 * Driver waits for the completion of the commands.
3990 * the interrupts need to be enabled.
3991 */
3992 if (!IS_QLA82XX(ha))
3993 ha->isp_ops->reset_chip(vha);
3994
3995 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3996 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3997 atomic_set(&vha->loop_state, LOOP_DOWN);
3998 qla2x00_mark_all_devices_lost(vha, 0);
3999
4000 spin_lock_irqsave(&ha->vport_slock, flags);
4001 list_for_each_entry(vp, &ha->vp_list, list) {
4002 atomic_inc(&vp->vref_count);
4003 spin_unlock_irqrestore(&ha->vport_slock, flags);
4004
4005 qla2x00_mark_all_devices_lost(vp, 0);
4006
4007 spin_lock_irqsave(&ha->vport_slock, flags);
4008 atomic_dec(&vp->vref_count);
4009 }
4010 spin_unlock_irqrestore(&ha->vport_slock, flags);
4011 } else {
4012 if (!atomic_read(&vha->loop_down_timer))
4013 atomic_set(&vha->loop_down_timer,
4014 LOOP_DOWN_TIME);
4015 }
4016
4017 /* Clear all async request states across all VPs. */
4018 list_for_each_entry(fcport, &vha->vp_fcports, list)
4019 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4020 spin_lock_irqsave(&ha->vport_slock, flags);
4021 list_for_each_entry(vp, &ha->vp_list, list) {
4022 atomic_inc(&vp->vref_count);
4023 spin_unlock_irqrestore(&ha->vport_slock, flags);
4024
4025 list_for_each_entry(fcport, &vp->vp_fcports, list)
4026 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4027
4028 spin_lock_irqsave(&ha->vport_slock, flags);
4029 atomic_dec(&vp->vref_count);
4030 }
4031 spin_unlock_irqrestore(&ha->vport_slock, flags);
4032
4033 if (!ha->flags.eeh_busy) {
4034 /* Make sure for ISP 82XX IO DMA is complete */
4035 if (IS_QLA82XX(ha)) {
4036 qla82xx_chip_reset_cleanup(vha);
4037 ql_log(ql_log_info, vha, 0x00b4,
4038 "Done chip reset cleanup.\n");
4039
4040 /* Done waiting for pending commands.
4041 * Reset the online flag.
4042 */
4043 vha->flags.online = 0;
4044 }
4045
4046 /* Requeue all commands in outstanding command list. */
4047 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4048 }
4049 }
4050
4051 /*
4052 * qla2x00_abort_isp
4053 * Resets ISP and aborts all outstanding commands.
4054 *
4055 * Input:
4056 * ha = adapter block pointer.
4057 *
4058 * Returns:
4059 * 0 = success
4060 */
4061 int
4062 qla2x00_abort_isp(scsi_qla_host_t *vha)
4063 {
4064 int rval;
4065 uint8_t status = 0;
4066 struct qla_hw_data *ha = vha->hw;
4067 struct scsi_qla_host *vp;
4068 struct req_que *req = ha->req_q_map[0];
4069 unsigned long flags;
4070
4071 if (vha->flags.online) {
4072 qla2x00_abort_isp_cleanup(vha);
4073
4074 if (unlikely(pci_channel_offline(ha->pdev) &&
4075 ha->flags.pci_channel_io_perm_failure)) {
4076 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4077 status = 0;
4078 return status;
4079 }
4080
4081 ha->isp_ops->get_flash_version(vha, req->ring);
4082
4083 ha->isp_ops->nvram_config(vha);
4084
4085 if (!qla2x00_restart_isp(vha)) {
4086 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4087
4088 if (!atomic_read(&vha->loop_down_timer)) {
4089 /*
4090 * Issue marker command only when we are going
4091 * to start the I/O .
4092 */
4093 vha->marker_needed = 1;
4094 }
4095
4096 vha->flags.online = 1;
4097
4098 ha->isp_ops->enable_intrs(ha);
4099
4100 ha->isp_abort_cnt = 0;
4101 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4102
4103 if (IS_QLA81XX(ha))
4104 qla2x00_get_fw_version(vha,
4105 &ha->fw_major_version,
4106 &ha->fw_minor_version,
4107 &ha->fw_subminor_version,
4108 &ha->fw_attributes, &ha->fw_memory_size,
4109 ha->mpi_version, &ha->mpi_capabilities,
4110 ha->phy_version);
4111
4112 if (ha->fce) {
4113 ha->flags.fce_enabled = 1;
4114 memset(ha->fce, 0,
4115 fce_calc_size(ha->fce_bufs));
4116 rval = qla2x00_enable_fce_trace(vha,
4117 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4118 &ha->fce_bufs);
4119 if (rval) {
4120 ql_log(ql_log_warn, vha, 0x8033,
4121 "Unable to reinitialize FCE "
4122 "(%d).\n", rval);
4123 ha->flags.fce_enabled = 0;
4124 }
4125 }
4126
4127 if (ha->eft) {
4128 memset(ha->eft, 0, EFT_SIZE);
4129 rval = qla2x00_enable_eft_trace(vha,
4130 ha->eft_dma, EFT_NUM_BUFFERS);
4131 if (rval) {
4132 ql_log(ql_log_warn, vha, 0x8034,
4133 "Unable to reinitialize EFT "
4134 "(%d).\n", rval);
4135 }
4136 }
4137 } else { /* failed the ISP abort */
4138 vha->flags.online = 1;
4139 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4140 if (ha->isp_abort_cnt == 0) {
4141 ql_log(ql_log_fatal, vha, 0x8035,
4142 "ISP error recover failed - "
4143 "board disabled.\n");
4144 /*
4145 * The next call disables the board
4146 * completely.
4147 */
4148 ha->isp_ops->reset_adapter(vha);
4149 vha->flags.online = 0;
4150 clear_bit(ISP_ABORT_RETRY,
4151 &vha->dpc_flags);
4152 status = 0;
4153 } else { /* schedule another ISP abort */
4154 ha->isp_abort_cnt--;
4155 ql_dbg(ql_dbg_taskm, vha, 0x8020,
4156 "ISP abort - retry remaining %d.\n",
4157 ha->isp_abort_cnt);
4158 status = 1;
4159 }
4160 } else {
4161 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4162 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4163 "ISP error recovery - retrying (%d) "
4164 "more times.\n", ha->isp_abort_cnt);
4165 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4166 status = 1;
4167 }
4168 }
4169
4170 }
4171
4172 if (!status) {
4173 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4174
4175 spin_lock_irqsave(&ha->vport_slock, flags);
4176 list_for_each_entry(vp, &ha->vp_list, list) {
4177 if (vp->vp_idx) {
4178 atomic_inc(&vp->vref_count);
4179 spin_unlock_irqrestore(&ha->vport_slock, flags);
4180
4181 qla2x00_vp_abort_isp(vp);
4182
4183 spin_lock_irqsave(&ha->vport_slock, flags);
4184 atomic_dec(&vp->vref_count);
4185 }
4186 }
4187 spin_unlock_irqrestore(&ha->vport_slock, flags);
4188
4189 } else {
4190 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4191 __func__);
4192 }
4193
4194 return(status);
4195 }
4196
4197 /*
4198 * qla2x00_restart_isp
4199 * restarts the ISP after a reset
4200 *
4201 * Input:
4202 * ha = adapter block pointer.
4203 *
4204 * Returns:
4205 * 0 = success
4206 */
4207 static int
4208 qla2x00_restart_isp(scsi_qla_host_t *vha)
4209 {
4210 int status = 0;
4211 uint32_t wait_time;
4212 struct qla_hw_data *ha = vha->hw;
4213 struct req_que *req = ha->req_q_map[0];
4214 struct rsp_que *rsp = ha->rsp_q_map[0];
4215
4216 /* If firmware needs to be loaded */
4217 if (qla2x00_isp_firmware(vha)) {
4218 vha->flags.online = 0;
4219 status = ha->isp_ops->chip_diag(vha);
4220 if (!status)
4221 status = qla2x00_setup_chip(vha);
4222 }
4223
4224 if (!status && !(status = qla2x00_init_rings(vha))) {
4225 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4226 ha->flags.chip_reset_done = 1;
4227 /* Initialize the queues in use */
4228 qla25xx_init_queues(ha);
4229
4230 status = qla2x00_fw_ready(vha);
4231 if (!status) {
4232 ql_dbg(ql_dbg_taskm, vha, 0x8031,
4233 "Start configure loop status = %d.\n", status);
4234
4235 /* Issue a marker after FW becomes ready. */
4236 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4237
4238 vha->flags.online = 1;
4239 /* Wait at most MAX_TARGET RSCNs for a stable link. */
4240 wait_time = 256;
4241 do {
4242 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4243 qla2x00_configure_loop(vha);
4244 wait_time--;
4245 } while (!atomic_read(&vha->loop_down_timer) &&
4246 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4247 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4248 &vha->dpc_flags)));
4249 }
4250
4251 /* if no cable then assume it's good */
4252 if ((vha->device_flags & DFLG_NO_CABLE))
4253 status = 0;
4254
4255 ql_dbg(ql_dbg_taskm, vha, 0x8032,
4256 "Configure loop done, status = 0x%x.\n", status);
4257 }
4258 return (status);
4259 }
4260
4261 static int
4262 qla25xx_init_queues(struct qla_hw_data *ha)
4263 {
4264 struct rsp_que *rsp = NULL;
4265 struct req_que *req = NULL;
4266 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4267 int ret = -1;
4268 int i;
4269
4270 for (i = 1; i < ha->max_rsp_queues; i++) {
4271 rsp = ha->rsp_q_map[i];
4272 if (rsp) {
4273 rsp->options &= ~BIT_0;
4274 ret = qla25xx_init_rsp_que(base_vha, rsp);
4275 if (ret != QLA_SUCCESS)
4276 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4277 "%s Rsp que: %d init failed.\n",
4278 __func__, rsp->id);
4279 else
4280 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4281 "%s Rsp que: %d inited.\n",
4282 __func__, rsp->id);
4283 }
4284 }
4285 for (i = 1; i < ha->max_req_queues; i++) {
4286 req = ha->req_q_map[i];
4287 if (req) {
4288 /* Clear outstanding commands array. */
4289 req->options &= ~BIT_0;
4290 ret = qla25xx_init_req_que(base_vha, req);
4291 if (ret != QLA_SUCCESS)
4292 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4293 "%s Req que: %d init failed.\n",
4294 __func__, req->id);
4295 else
4296 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4297 "%s Req que: %d inited.\n",
4298 __func__, req->id);
4299 }
4300 }
4301 return ret;
4302 }
4303
4304 /*
4305 * qla2x00_reset_adapter
4306 * Reset adapter.
4307 *
4308 * Input:
4309 * ha = adapter block pointer.
4310 */
4311 void
4312 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4313 {
4314 unsigned long flags = 0;
4315 struct qla_hw_data *ha = vha->hw;
4316 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4317
4318 vha->flags.online = 0;
4319 ha->isp_ops->disable_intrs(ha);
4320
4321 spin_lock_irqsave(&ha->hardware_lock, flags);
4322 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4323 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4324 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4325 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4326 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4327 }
4328
4329 void
4330 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4331 {
4332 unsigned long flags = 0;
4333 struct qla_hw_data *ha = vha->hw;
4334 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4335
4336 if (IS_QLA82XX(ha))
4337 return;
4338
4339 vha->flags.online = 0;
4340 ha->isp_ops->disable_intrs(ha);
4341
4342 spin_lock_irqsave(&ha->hardware_lock, flags);
4343 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4344 RD_REG_DWORD(&reg->hccr);
4345 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4346 RD_REG_DWORD(&reg->hccr);
4347 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4348
4349 if (IS_NOPOLLING_TYPE(ha))
4350 ha->isp_ops->enable_intrs(ha);
4351 }
4352
4353 /* On sparc systems, obtain port and node WWN from firmware
4354 * properties.
4355 */
4356 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4357 struct nvram_24xx *nv)
4358 {
4359 #ifdef CONFIG_SPARC
4360 struct qla_hw_data *ha = vha->hw;
4361 struct pci_dev *pdev = ha->pdev;
4362 struct device_node *dp = pci_device_to_OF_node(pdev);
4363 const u8 *val;
4364 int len;
4365
4366 val = of_get_property(dp, "port-wwn", &len);
4367 if (val && len >= WWN_SIZE)
4368 memcpy(nv->port_name, val, WWN_SIZE);
4369
4370 val = of_get_property(dp, "node-wwn", &len);
4371 if (val && len >= WWN_SIZE)
4372 memcpy(nv->node_name, val, WWN_SIZE);
4373 #endif
4374 }
4375
4376 int
4377 qla24xx_nvram_config(scsi_qla_host_t *vha)
4378 {
4379 int rval;
4380 struct init_cb_24xx *icb;
4381 struct nvram_24xx *nv;
4382 uint32_t *dptr;
4383 uint8_t *dptr1, *dptr2;
4384 uint32_t chksum;
4385 uint16_t cnt;
4386 struct qla_hw_data *ha = vha->hw;
4387
4388 rval = QLA_SUCCESS;
4389 icb = (struct init_cb_24xx *)ha->init_cb;
4390 nv = ha->nvram;
4391
4392 /* Determine NVRAM starting address. */
4393 if (ha->flags.port0) {
4394 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4395 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4396 } else {
4397 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4398 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4399 }
4400 ha->nvram_size = sizeof(struct nvram_24xx);
4401 ha->vpd_size = FA_NVRAM_VPD_SIZE;
4402 if (IS_QLA82XX(ha))
4403 ha->vpd_size = FA_VPD_SIZE_82XX;
4404
4405 /* Get VPD data into cache */
4406 ha->vpd = ha->nvram + VPD_OFFSET;
4407 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4408 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4409
4410 /* Get NVRAM data into cache and calculate checksum. */
4411 dptr = (uint32_t *)nv;
4412 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4413 ha->nvram_size);
4414 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4415 chksum += le32_to_cpu(*dptr++);
4416
4417 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4418 "Contents of NVRAM\n");
4419 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4420 (uint8_t *)nv, ha->nvram_size);
4421
4422 /* Bad NVRAM data, set defaults parameters. */
4423 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4424 || nv->id[3] != ' ' ||
4425 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4426 /* Reset NVRAM data. */
4427 ql_log(ql_log_warn, vha, 0x006b,
4428 "Inconisistent NVRAM detected: checksum=0x%x id=%c "
4429 "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4430 ql_log(ql_log_warn, vha, 0x006c,
4431 "Falling back to functioning (yet invalid -- WWPN) "
4432 "defaults.\n");
4433
4434 /*
4435 * Set default initialization control block.
4436 */
4437 memset(nv, 0, ha->nvram_size);
4438 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4439 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4440 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4441 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4442 nv->exchange_count = __constant_cpu_to_le16(0);
4443 nv->hard_address = __constant_cpu_to_le16(124);
4444 nv->port_name[0] = 0x21;
4445 nv->port_name[1] = 0x00 + ha->port_no;
4446 nv->port_name[2] = 0x00;
4447 nv->port_name[3] = 0xe0;
4448 nv->port_name[4] = 0x8b;
4449 nv->port_name[5] = 0x1c;
4450 nv->port_name[6] = 0x55;
4451 nv->port_name[7] = 0x86;
4452 nv->node_name[0] = 0x20;
4453 nv->node_name[1] = 0x00;
4454 nv->node_name[2] = 0x00;
4455 nv->node_name[3] = 0xe0;
4456 nv->node_name[4] = 0x8b;
4457 nv->node_name[5] = 0x1c;
4458 nv->node_name[6] = 0x55;
4459 nv->node_name[7] = 0x86;
4460 qla24xx_nvram_wwn_from_ofw(vha, nv);
4461 nv->login_retry_count = __constant_cpu_to_le16(8);
4462 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4463 nv->login_timeout = __constant_cpu_to_le16(0);
4464 nv->firmware_options_1 =
4465 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4466 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4467 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4468 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4469 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4470 nv->efi_parameters = __constant_cpu_to_le32(0);
4471 nv->reset_delay = 5;
4472 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4473 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4474 nv->link_down_timeout = __constant_cpu_to_le16(30);
4475
4476 rval = 1;
4477 }
4478
4479 /* Reset Initialization control block */
4480 memset(icb, 0, ha->init_cb_size);
4481
4482 /* Copy 1st segment. */
4483 dptr1 = (uint8_t *)icb;
4484 dptr2 = (uint8_t *)&nv->version;
4485 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4486 while (cnt--)
4487 *dptr1++ = *dptr2++;
4488
4489 icb->login_retry_count = nv->login_retry_count;
4490 icb->link_down_on_nos = nv->link_down_on_nos;
4491
4492 /* Copy 2nd segment. */
4493 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4494 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4495 cnt = (uint8_t *)&icb->reserved_3 -
4496 (uint8_t *)&icb->interrupt_delay_timer;
4497 while (cnt--)
4498 *dptr1++ = *dptr2++;
4499
4500 /*
4501 * Setup driver NVRAM options.
4502 */
4503 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4504 "QLA2462");
4505
4506 /* Use alternate WWN? */
4507 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4508 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4509 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4510 }
4511
4512 /* Prepare nodename */
4513 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4514 /*
4515 * Firmware will apply the following mask if the nodename was
4516 * not provided.
4517 */
4518 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4519 icb->node_name[0] &= 0xF0;
4520 }
4521
4522 /* Set host adapter parameters. */
4523 ha->flags.disable_risc_code_load = 0;
4524 ha->flags.enable_lip_reset = 0;
4525 ha->flags.enable_lip_full_login =
4526 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4527 ha->flags.enable_target_reset =
4528 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4529 ha->flags.enable_led_scheme = 0;
4530 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4531
4532 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4533 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4534
4535 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4536 sizeof(ha->fw_seriallink_options24));
4537
4538 /* save HBA serial number */
4539 ha->serial0 = icb->port_name[5];
4540 ha->serial1 = icb->port_name[6];
4541 ha->serial2 = icb->port_name[7];
4542 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4543 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4544
4545 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4546
4547 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4548
4549 /* Set minimum login_timeout to 4 seconds. */
4550 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4551 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4552 if (le16_to_cpu(nv->login_timeout) < 4)
4553 nv->login_timeout = __constant_cpu_to_le16(4);
4554 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4555 icb->login_timeout = nv->login_timeout;
4556
4557 /* Set minimum RATOV to 100 tenths of a second. */
4558 ha->r_a_tov = 100;
4559
4560 ha->loop_reset_delay = nv->reset_delay;
4561
4562 /* Link Down Timeout = 0:
4563 *
4564 * When Port Down timer expires we will start returning
4565 * I/O's to OS with "DID_NO_CONNECT".
4566 *
4567 * Link Down Timeout != 0:
4568 *
4569 * The driver waits for the link to come up after link down
4570 * before returning I/Os to OS with "DID_NO_CONNECT".
4571 */
4572 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4573 ha->loop_down_abort_time =
4574 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4575 } else {
4576 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4577 ha->loop_down_abort_time =
4578 (LOOP_DOWN_TIME - ha->link_down_timeout);
4579 }
4580
4581 /* Need enough time to try and get the port back. */
4582 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4583 if (qlport_down_retry)
4584 ha->port_down_retry_count = qlport_down_retry;
4585
4586 /* Set login_retry_count */
4587 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4588 if (ha->port_down_retry_count ==
4589 le16_to_cpu(nv->port_down_retry_count) &&
4590 ha->port_down_retry_count > 3)
4591 ha->login_retry_count = ha->port_down_retry_count;
4592 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4593 ha->login_retry_count = ha->port_down_retry_count;
4594 if (ql2xloginretrycount)
4595 ha->login_retry_count = ql2xloginretrycount;
4596
4597 /* Enable ZIO. */
4598 if (!vha->flags.init_done) {
4599 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4600 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4601 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4602 le16_to_cpu(icb->interrupt_delay_timer): 2;
4603 }
4604 icb->firmware_options_2 &= __constant_cpu_to_le32(
4605 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4606 vha->flags.process_response_queue = 0;
4607 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4608 ha->zio_mode = QLA_ZIO_MODE_6;
4609
4610 ql_log(ql_log_info, vha, 0x006f,
4611 "ZIO mode %d enabled; timer delay (%d us).\n",
4612 ha->zio_mode, ha->zio_timer * 100);
4613
4614 icb->firmware_options_2 |= cpu_to_le32(
4615 (uint32_t)ha->zio_mode);
4616 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4617 vha->flags.process_response_queue = 1;
4618 }
4619
4620 if (rval) {
4621 ql_log(ql_log_warn, vha, 0x0070,
4622 "NVRAM configuration failed.\n");
4623 }
4624 return (rval);
4625 }
4626
4627 static int
4628 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4629 uint32_t faddr)
4630 {
4631 int rval = QLA_SUCCESS;
4632 int segments, fragment;
4633 uint32_t *dcode, dlen;
4634 uint32_t risc_addr;
4635 uint32_t risc_size;
4636 uint32_t i;
4637 struct qla_hw_data *ha = vha->hw;
4638 struct req_que *req = ha->req_q_map[0];
4639
4640 ql_dbg(ql_dbg_init, vha, 0x008b,
4641 "FW: Loading firmware from flash (%x).\n", faddr);
4642
4643 rval = QLA_SUCCESS;
4644
4645 segments = FA_RISC_CODE_SEGMENTS;
4646 dcode = (uint32_t *)req->ring;
4647 *srisc_addr = 0;
4648
4649 /* Validate firmware image by checking version. */
4650 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4651 for (i = 0; i < 4; i++)
4652 dcode[i] = be32_to_cpu(dcode[i]);
4653 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4654 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4655 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4656 dcode[3] == 0)) {
4657 ql_log(ql_log_fatal, vha, 0x008c,
4658 "Unable to verify the integrity of flash firmware "
4659 "image.\n");
4660 ql_log(ql_log_fatal, vha, 0x008d,
4661 "Firmware data: %08x %08x %08x %08x.\n",
4662 dcode[0], dcode[1], dcode[2], dcode[3]);
4663
4664 return QLA_FUNCTION_FAILED;
4665 }
4666
4667 while (segments && rval == QLA_SUCCESS) {
4668 /* Read segment's load information. */
4669 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4670
4671 risc_addr = be32_to_cpu(dcode[2]);
4672 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4673 risc_size = be32_to_cpu(dcode[3]);
4674
4675 fragment = 0;
4676 while (risc_size > 0 && rval == QLA_SUCCESS) {
4677 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4678 if (dlen > risc_size)
4679 dlen = risc_size;
4680
4681 ql_dbg(ql_dbg_init, vha, 0x008e,
4682 "Loading risc segment@ risc addr %x "
4683 "number of dwords 0x%x offset 0x%x.\n",
4684 risc_addr, dlen, faddr);
4685
4686 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4687 for (i = 0; i < dlen; i++)
4688 dcode[i] = swab32(dcode[i]);
4689
4690 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4691 dlen);
4692 if (rval) {
4693 ql_log(ql_log_fatal, vha, 0x008f,
4694 "Failed to load segment %d of firmware.\n",
4695 fragment);
4696 break;
4697 }
4698
4699 faddr += dlen;
4700 risc_addr += dlen;
4701 risc_size -= dlen;
4702 fragment++;
4703 }
4704
4705 /* Next segment. */
4706 segments--;
4707 }
4708
4709 return rval;
4710 }
4711
4712 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4713
4714 int
4715 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4716 {
4717 int rval;
4718 int i, fragment;
4719 uint16_t *wcode, *fwcode;
4720 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4721 struct fw_blob *blob;
4722 struct qla_hw_data *ha = vha->hw;
4723 struct req_que *req = ha->req_q_map[0];
4724
4725 /* Load firmware blob. */
4726 blob = qla2x00_request_firmware(vha);
4727 if (!blob) {
4728 ql_log(ql_log_info, vha, 0x0083,
4729 "Fimware image unavailable.\n");
4730 ql_log(ql_log_info, vha, 0x0084,
4731 "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
4732 return QLA_FUNCTION_FAILED;
4733 }
4734
4735 rval = QLA_SUCCESS;
4736
4737 wcode = (uint16_t *)req->ring;
4738 *srisc_addr = 0;
4739 fwcode = (uint16_t *)blob->fw->data;
4740 fwclen = 0;
4741
4742 /* Validate firmware image by checking version. */
4743 if (blob->fw->size < 8 * sizeof(uint16_t)) {
4744 ql_log(ql_log_fatal, vha, 0x0085,
4745 "Unable to verify integrity of firmware image (%Zd).\n",
4746 blob->fw->size);
4747 goto fail_fw_integrity;
4748 }
4749 for (i = 0; i < 4; i++)
4750 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4751 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4752 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4753 wcode[2] == 0 && wcode[3] == 0)) {
4754 ql_log(ql_log_fatal, vha, 0x0086,
4755 "Unable to verify integrity of firmware image.\n");
4756 ql_log(ql_log_fatal, vha, 0x0087,
4757 "Firmware data: %04x %04x %04x %04x.\n",
4758 wcode[0], wcode[1], wcode[2], wcode[3]);
4759 goto fail_fw_integrity;
4760 }
4761
4762 seg = blob->segs;
4763 while (*seg && rval == QLA_SUCCESS) {
4764 risc_addr = *seg;
4765 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4766 risc_size = be16_to_cpu(fwcode[3]);
4767
4768 /* Validate firmware image size. */
4769 fwclen += risc_size * sizeof(uint16_t);
4770 if (blob->fw->size < fwclen) {
4771 ql_log(ql_log_fatal, vha, 0x0088,
4772 "Unable to verify integrity of firmware image "
4773 "(%Zd).\n", blob->fw->size);
4774 goto fail_fw_integrity;
4775 }
4776
4777 fragment = 0;
4778 while (risc_size > 0 && rval == QLA_SUCCESS) {
4779 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4780 if (wlen > risc_size)
4781 wlen = risc_size;
4782 ql_dbg(ql_dbg_init, vha, 0x0089,
4783 "Loading risc segment@ risc addr %x number of "
4784 "words 0x%x.\n", risc_addr, wlen);
4785
4786 for (i = 0; i < wlen; i++)
4787 wcode[i] = swab16(fwcode[i]);
4788
4789 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4790 wlen);
4791 if (rval) {
4792 ql_log(ql_log_fatal, vha, 0x008a,
4793 "Failed to load segment %d of firmware.\n",
4794 fragment);
4795 break;
4796 }
4797
4798 fwcode += wlen;
4799 risc_addr += wlen;
4800 risc_size -= wlen;
4801 fragment++;
4802 }
4803
4804 /* Next segment. */
4805 seg++;
4806 }
4807 return rval;
4808
4809 fail_fw_integrity:
4810 return QLA_FUNCTION_FAILED;
4811 }
4812
4813 static int
4814 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4815 {
4816 int rval;
4817 int segments, fragment;
4818 uint32_t *dcode, dlen;
4819 uint32_t risc_addr;
4820 uint32_t risc_size;
4821 uint32_t i;
4822 struct fw_blob *blob;
4823 uint32_t *fwcode, fwclen;
4824 struct qla_hw_data *ha = vha->hw;
4825 struct req_que *req = ha->req_q_map[0];
4826
4827 /* Load firmware blob. */
4828 blob = qla2x00_request_firmware(vha);
4829 if (!blob) {
4830 ql_log(ql_log_warn, vha, 0x0090,
4831 "Fimware image unavailable.\n");
4832 ql_log(ql_log_warn, vha, 0x0091,
4833 "Firmware images can be retrieved from: "
4834 QLA_FW_URL ".\n");
4835
4836 return QLA_FUNCTION_FAILED;
4837 }
4838
4839 ql_dbg(ql_dbg_init, vha, 0x0092,
4840 "FW: Loading via request-firmware.\n");
4841
4842 rval = QLA_SUCCESS;
4843
4844 segments = FA_RISC_CODE_SEGMENTS;
4845 dcode = (uint32_t *)req->ring;
4846 *srisc_addr = 0;
4847 fwcode = (uint32_t *)blob->fw->data;
4848 fwclen = 0;
4849
4850 /* Validate firmware image by checking version. */
4851 if (blob->fw->size < 8 * sizeof(uint32_t)) {
4852 ql_log(ql_log_fatal, vha, 0x0093,
4853 "Unable to verify integrity of firmware image (%Zd).\n",
4854 blob->fw->size);
4855 goto fail_fw_integrity;
4856 }
4857 for (i = 0; i < 4; i++)
4858 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4859 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4860 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4861 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4862 dcode[3] == 0)) {
4863 ql_log(ql_log_fatal, vha, 0x0094,
4864 "Unable to verify integrity of firmware image (%Zd).\n",
4865 blob->fw->size);
4866 ql_log(ql_log_fatal, vha, 0x0095,
4867 "Firmware data: %08x %08x %08x %08x.\n",
4868 dcode[0], dcode[1], dcode[2], dcode[3]);
4869 goto fail_fw_integrity;
4870 }
4871
4872 while (segments && rval == QLA_SUCCESS) {
4873 risc_addr = be32_to_cpu(fwcode[2]);
4874 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4875 risc_size = be32_to_cpu(fwcode[3]);
4876
4877 /* Validate firmware image size. */
4878 fwclen += risc_size * sizeof(uint32_t);
4879 if (blob->fw->size < fwclen) {
4880 ql_log(ql_log_fatal, vha, 0x0096,
4881 "Unable to verify integrity of firmware image "
4882 "(%Zd).\n", blob->fw->size);
4883
4884 goto fail_fw_integrity;
4885 }
4886
4887 fragment = 0;
4888 while (risc_size > 0 && rval == QLA_SUCCESS) {
4889 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4890 if (dlen > risc_size)
4891 dlen = risc_size;
4892
4893 ql_dbg(ql_dbg_init, vha, 0x0097,
4894 "Loading risc segment@ risc addr %x "
4895 "number of dwords 0x%x.\n", risc_addr, dlen);
4896
4897 for (i = 0; i < dlen; i++)
4898 dcode[i] = swab32(fwcode[i]);
4899
4900 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4901 dlen);
4902 if (rval) {
4903 ql_log(ql_log_fatal, vha, 0x0098,
4904 "Failed to load segment %d of firmware.\n",
4905 fragment);
4906 break;
4907 }
4908
4909 fwcode += dlen;
4910 risc_addr += dlen;
4911 risc_size -= dlen;
4912 fragment++;
4913 }
4914
4915 /* Next segment. */
4916 segments--;
4917 }
4918 return rval;
4919
4920 fail_fw_integrity:
4921 return QLA_FUNCTION_FAILED;
4922 }
4923
4924 int
4925 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4926 {
4927 int rval;
4928
4929 if (ql2xfwloadbin == 1)
4930 return qla81xx_load_risc(vha, srisc_addr);
4931
4932 /*
4933 * FW Load priority:
4934 * 1) Firmware via request-firmware interface (.bin file).
4935 * 2) Firmware residing in flash.
4936 */
4937 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4938 if (rval == QLA_SUCCESS)
4939 return rval;
4940
4941 return qla24xx_load_risc_flash(vha, srisc_addr,
4942 vha->hw->flt_region_fw);
4943 }
4944
4945 int
4946 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4947 {
4948 int rval;
4949 struct qla_hw_data *ha = vha->hw;
4950
4951 if (ql2xfwloadbin == 2)
4952 goto try_blob_fw;
4953
4954 /*
4955 * FW Load priority:
4956 * 1) Firmware residing in flash.
4957 * 2) Firmware via request-firmware interface (.bin file).
4958 * 3) Golden-Firmware residing in flash -- limited operation.
4959 */
4960 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4961 if (rval == QLA_SUCCESS)
4962 return rval;
4963
4964 try_blob_fw:
4965 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4966 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4967 return rval;
4968
4969 ql_log(ql_log_info, vha, 0x0099,
4970 "Attempting to fallback to golden firmware.\n");
4971 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4972 if (rval != QLA_SUCCESS)
4973 return rval;
4974
4975 ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
4976 ha->flags.running_gold_fw = 1;
4977
4978 return rval;
4979 }
4980
4981 void
4982 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4983 {
4984 int ret, retries;
4985 struct qla_hw_data *ha = vha->hw;
4986
4987 if (ha->flags.pci_channel_io_perm_failure)
4988 return;
4989 if (!IS_FWI2_CAPABLE(ha))
4990 return;
4991 if (!ha->fw_major_version)
4992 return;
4993
4994 ret = qla2x00_stop_firmware(vha);
4995 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4996 ret != QLA_INVALID_COMMAND && retries ; retries--) {
4997 ha->isp_ops->reset_chip(vha);
4998 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4999 continue;
5000 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5001 continue;
5002 ql_log(ql_log_info, vha, 0x8015,
5003 "Attempting retry of stop-firmware command.\n");
5004 ret = qla2x00_stop_firmware(vha);
5005 }
5006 }
5007
5008 int
5009 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5010 {
5011 int rval = QLA_SUCCESS;
5012 uint16_t mb[MAILBOX_REGISTER_COUNT];
5013 struct qla_hw_data *ha = vha->hw;
5014 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5015 struct req_que *req;
5016 struct rsp_que *rsp;
5017
5018 if (!vha->vp_idx)
5019 return -EINVAL;
5020
5021 rval = qla2x00_fw_ready(base_vha);
5022 if (ha->flags.cpu_affinity_enabled)
5023 req = ha->req_q_map[0];
5024 else
5025 req = vha->req;
5026 rsp = req->rsp;
5027
5028 if (rval == QLA_SUCCESS) {
5029 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5030 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5031 }
5032
5033 vha->flags.management_server_logged_in = 0;
5034
5035 /* Login to SNS first */
5036 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
5037 if (mb[0] != MBS_COMMAND_COMPLETE) {
5038 ql_dbg(ql_dbg_init, vha, 0x0103,
5039 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
5040 "mb[6]=%x mb[7]=%x.\n",
5041 NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5042 return (QLA_FUNCTION_FAILED);
5043 }
5044
5045 atomic_set(&vha->loop_down_timer, 0);
5046 atomic_set(&vha->loop_state, LOOP_UP);
5047 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5048 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5049 rval = qla2x00_loop_resync(base_vha);
5050
5051 return rval;
5052 }
5053
5054 /* 84XX Support **************************************************************/
5055
5056 static LIST_HEAD(qla_cs84xx_list);
5057 static DEFINE_MUTEX(qla_cs84xx_mutex);
5058
5059 static struct qla_chip_state_84xx *
5060 qla84xx_get_chip(struct scsi_qla_host *vha)
5061 {
5062 struct qla_chip_state_84xx *cs84xx;
5063 struct qla_hw_data *ha = vha->hw;
5064
5065 mutex_lock(&qla_cs84xx_mutex);
5066
5067 /* Find any shared 84xx chip. */
5068 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5069 if (cs84xx->bus == ha->pdev->bus) {
5070 kref_get(&cs84xx->kref);
5071 goto done;
5072 }
5073 }
5074
5075 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5076 if (!cs84xx)
5077 goto done;
5078
5079 kref_init(&cs84xx->kref);
5080 spin_lock_init(&cs84xx->access_lock);
5081 mutex_init(&cs84xx->fw_update_mutex);
5082 cs84xx->bus = ha->pdev->bus;
5083
5084 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5085 done:
5086 mutex_unlock(&qla_cs84xx_mutex);
5087 return cs84xx;
5088 }
5089
5090 static void
5091 __qla84xx_chip_release(struct kref *kref)
5092 {
5093 struct qla_chip_state_84xx *cs84xx =
5094 container_of(kref, struct qla_chip_state_84xx, kref);
5095
5096 mutex_lock(&qla_cs84xx_mutex);
5097 list_del(&cs84xx->list);
5098 mutex_unlock(&qla_cs84xx_mutex);
5099 kfree(cs84xx);
5100 }
5101
5102 void
5103 qla84xx_put_chip(struct scsi_qla_host *vha)
5104 {
5105 struct qla_hw_data *ha = vha->hw;
5106 if (ha->cs84xx)
5107 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5108 }
5109
5110 static int
5111 qla84xx_init_chip(scsi_qla_host_t *vha)
5112 {
5113 int rval;
5114 uint16_t status[2];
5115 struct qla_hw_data *ha = vha->hw;
5116
5117 mutex_lock(&ha->cs84xx->fw_update_mutex);
5118
5119 rval = qla84xx_verify_chip(vha, status);
5120
5121 mutex_unlock(&ha->cs84xx->fw_update_mutex);
5122
5123 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5124 QLA_SUCCESS;
5125 }
5126
5127 /* 81XX Support **************************************************************/
5128
5129 int
5130 qla81xx_nvram_config(scsi_qla_host_t *vha)
5131 {
5132 int rval;
5133 struct init_cb_81xx *icb;
5134 struct nvram_81xx *nv;
5135 uint32_t *dptr;
5136 uint8_t *dptr1, *dptr2;
5137 uint32_t chksum;
5138 uint16_t cnt;
5139 struct qla_hw_data *ha = vha->hw;
5140
5141 rval = QLA_SUCCESS;
5142 icb = (struct init_cb_81xx *)ha->init_cb;
5143 nv = ha->nvram;
5144
5145 /* Determine NVRAM starting address. */
5146 ha->nvram_size = sizeof(struct nvram_81xx);
5147 ha->vpd_size = FA_NVRAM_VPD_SIZE;
5148
5149 /* Get VPD data into cache */
5150 ha->vpd = ha->nvram + VPD_OFFSET;
5151 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5152 ha->vpd_size);
5153
5154 /* Get NVRAM data into cache and calculate checksum. */
5155 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5156 ha->nvram_size);
5157 dptr = (uint32_t *)nv;
5158 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5159 chksum += le32_to_cpu(*dptr++);
5160
5161 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5162 "Contents of NVRAM:\n");
5163 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5164 (uint8_t *)nv, ha->nvram_size);
5165
5166 /* Bad NVRAM data, set defaults parameters. */
5167 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5168 || nv->id[3] != ' ' ||
5169 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5170 /* Reset NVRAM data. */
5171 ql_log(ql_log_info, vha, 0x0073,
5172 "Inconisistent NVRAM detected: checksum=0x%x id=%c "
5173 "version=0x%x.\n", chksum, nv->id[0],
5174 le16_to_cpu(nv->nvram_version));
5175 ql_log(ql_log_info, vha, 0x0074,
5176 "Falling back to functioning (yet invalid -- WWPN) "
5177 "defaults.\n");
5178
5179 /*
5180 * Set default initialization control block.
5181 */
5182 memset(nv, 0, ha->nvram_size);
5183 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5184 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5185 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5186 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5187 nv->exchange_count = __constant_cpu_to_le16(0);
5188 nv->port_name[0] = 0x21;
5189 nv->port_name[1] = 0x00 + ha->port_no;
5190 nv->port_name[2] = 0x00;
5191 nv->port_name[3] = 0xe0;
5192 nv->port_name[4] = 0x8b;
5193 nv->port_name[5] = 0x1c;
5194 nv->port_name[6] = 0x55;
5195 nv->port_name[7] = 0x86;
5196 nv->node_name[0] = 0x20;
5197 nv->node_name[1] = 0x00;
5198 nv->node_name[2] = 0x00;
5199 nv->node_name[3] = 0xe0;
5200 nv->node_name[4] = 0x8b;
5201 nv->node_name[5] = 0x1c;
5202 nv->node_name[6] = 0x55;
5203 nv->node_name[7] = 0x86;
5204 nv->login_retry_count = __constant_cpu_to_le16(8);
5205 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5206 nv->login_timeout = __constant_cpu_to_le16(0);
5207 nv->firmware_options_1 =
5208 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5209 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5210 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5211 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5212 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5213 nv->efi_parameters = __constant_cpu_to_le32(0);
5214 nv->reset_delay = 5;
5215 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5216 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5217 nv->link_down_timeout = __constant_cpu_to_le16(30);
5218 nv->enode_mac[0] = 0x00;
5219 nv->enode_mac[1] = 0x02;
5220 nv->enode_mac[2] = 0x03;
5221 nv->enode_mac[3] = 0x04;
5222 nv->enode_mac[4] = 0x05;
5223 nv->enode_mac[5] = 0x06 + ha->port_no;
5224
5225 rval = 1;
5226 }
5227
5228 /* Reset Initialization control block */
5229 memset(icb, 0, ha->init_cb_size);
5230
5231 /* Copy 1st segment. */
5232 dptr1 = (uint8_t *)icb;
5233 dptr2 = (uint8_t *)&nv->version;
5234 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5235 while (cnt--)
5236 *dptr1++ = *dptr2++;
5237
5238 icb->login_retry_count = nv->login_retry_count;
5239
5240 /* Copy 2nd segment. */
5241 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5242 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5243 cnt = (uint8_t *)&icb->reserved_5 -
5244 (uint8_t *)&icb->interrupt_delay_timer;
5245 while (cnt--)
5246 *dptr1++ = *dptr2++;
5247
5248 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5249 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5250 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5251 icb->enode_mac[0] = 0x01;
5252 icb->enode_mac[1] = 0x02;
5253 icb->enode_mac[2] = 0x03;
5254 icb->enode_mac[3] = 0x04;
5255 icb->enode_mac[4] = 0x05;
5256 icb->enode_mac[5] = 0x06 + ha->port_no;
5257 }
5258
5259 /* Use extended-initialization control block. */
5260 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5261
5262 /*
5263 * Setup driver NVRAM options.
5264 */
5265 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5266 "QLE8XXX");
5267
5268 /* Use alternate WWN? */
5269 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5270 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5271 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5272 }
5273
5274 /* Prepare nodename */
5275 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5276 /*
5277 * Firmware will apply the following mask if the nodename was
5278 * not provided.
5279 */
5280 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5281 icb->node_name[0] &= 0xF0;
5282 }
5283
5284 /* Set host adapter parameters. */
5285 ha->flags.disable_risc_code_load = 0;
5286 ha->flags.enable_lip_reset = 0;
5287 ha->flags.enable_lip_full_login =
5288 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5289 ha->flags.enable_target_reset =
5290 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5291 ha->flags.enable_led_scheme = 0;
5292 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5293
5294 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5295 (BIT_6 | BIT_5 | BIT_4)) >> 4;
5296
5297 /* save HBA serial number */
5298 ha->serial0 = icb->port_name[5];
5299 ha->serial1 = icb->port_name[6];
5300 ha->serial2 = icb->port_name[7];
5301 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5302 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5303
5304 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5305
5306 ha->retry_count = le16_to_cpu(nv->login_retry_count);
5307
5308 /* Set minimum login_timeout to 4 seconds. */
5309 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5310 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5311 if (le16_to_cpu(nv->login_timeout) < 4)
5312 nv->login_timeout = __constant_cpu_to_le16(4);
5313 ha->login_timeout = le16_to_cpu(nv->login_timeout);
5314 icb->login_timeout = nv->login_timeout;
5315
5316 /* Set minimum RATOV to 100 tenths of a second. */
5317 ha->r_a_tov = 100;
5318
5319 ha->loop_reset_delay = nv->reset_delay;
5320
5321 /* Link Down Timeout = 0:
5322 *
5323 * When Port Down timer expires we will start returning
5324 * I/O's to OS with "DID_NO_CONNECT".
5325 *
5326 * Link Down Timeout != 0:
5327 *
5328 * The driver waits for the link to come up after link down
5329 * before returning I/Os to OS with "DID_NO_CONNECT".
5330 */
5331 if (le16_to_cpu(nv->link_down_timeout) == 0) {
5332 ha->loop_down_abort_time =
5333 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5334 } else {
5335 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5336 ha->loop_down_abort_time =
5337 (LOOP_DOWN_TIME - ha->link_down_timeout);
5338 }
5339
5340 /* Need enough time to try and get the port back. */
5341 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5342 if (qlport_down_retry)
5343 ha->port_down_retry_count = qlport_down_retry;
5344
5345 /* Set login_retry_count */
5346 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
5347 if (ha->port_down_retry_count ==
5348 le16_to_cpu(nv->port_down_retry_count) &&
5349 ha->port_down_retry_count > 3)
5350 ha->login_retry_count = ha->port_down_retry_count;
5351 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5352 ha->login_retry_count = ha->port_down_retry_count;
5353 if (ql2xloginretrycount)
5354 ha->login_retry_count = ql2xloginretrycount;
5355
5356 /* Enable ZIO. */
5357 if (!vha->flags.init_done) {
5358 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5359 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5360 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5361 le16_to_cpu(icb->interrupt_delay_timer): 2;
5362 }
5363 icb->firmware_options_2 &= __constant_cpu_to_le32(
5364 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5365 vha->flags.process_response_queue = 0;
5366 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5367 ha->zio_mode = QLA_ZIO_MODE_6;
5368
5369 ql_log(ql_log_info, vha, 0x0075,
5370 "ZIO mode %d enabled; timer delay (%d us).\n",
5371 ha->zio_mode,
5372 ha->zio_timer * 100);
5373
5374 icb->firmware_options_2 |= cpu_to_le32(
5375 (uint32_t)ha->zio_mode);
5376 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5377 vha->flags.process_response_queue = 1;
5378 }
5379
5380 if (rval) {
5381 ql_log(ql_log_warn, vha, 0x0076,
5382 "NVRAM configuration failed.\n");
5383 }
5384 return (rval);
5385 }
5386
5387 int
5388 qla82xx_restart_isp(scsi_qla_host_t *vha)
5389 {
5390 int status, rval;
5391 uint32_t wait_time;
5392 struct qla_hw_data *ha = vha->hw;
5393 struct req_que *req = ha->req_q_map[0];
5394 struct rsp_que *rsp = ha->rsp_q_map[0];
5395 struct scsi_qla_host *vp;
5396 unsigned long flags;
5397
5398 status = qla2x00_init_rings(vha);
5399 if (!status) {
5400 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5401 ha->flags.chip_reset_done = 1;
5402
5403 status = qla2x00_fw_ready(vha);
5404 if (!status) {
5405 ql_log(ql_log_info, vha, 0x803c,
5406 "Start configure loop, status =%d.\n", status);
5407
5408 /* Issue a marker after FW becomes ready. */
5409 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5410
5411 vha->flags.online = 1;
5412 /* Wait at most MAX_TARGET RSCNs for a stable link. */
5413 wait_time = 256;
5414 do {
5415 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5416 qla2x00_configure_loop(vha);
5417 wait_time--;
5418 } while (!atomic_read(&vha->loop_down_timer) &&
5419 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5420 wait_time &&
5421 (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5422 }
5423
5424 /* if no cable then assume it's good */
5425 if ((vha->device_flags & DFLG_NO_CABLE))
5426 status = 0;
5427
5428 ql_log(ql_log_info, vha, 0x8000,
5429 "Configure loop done, status = 0x%x.\n", status);
5430 }
5431
5432 if (!status) {
5433 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5434
5435 if (!atomic_read(&vha->loop_down_timer)) {
5436 /*
5437 * Issue marker command only when we are going
5438 * to start the I/O .
5439 */
5440 vha->marker_needed = 1;
5441 }
5442
5443 vha->flags.online = 1;
5444
5445 ha->isp_ops->enable_intrs(ha);
5446
5447 ha->isp_abort_cnt = 0;
5448 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5449
5450 /* Update the firmware version */
5451 status = qla82xx_check_md_needed(vha);
5452
5453 if (ha->fce) {
5454 ha->flags.fce_enabled = 1;
5455 memset(ha->fce, 0,
5456 fce_calc_size(ha->fce_bufs));
5457 rval = qla2x00_enable_fce_trace(vha,
5458 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5459 &ha->fce_bufs);
5460 if (rval) {
5461 ql_log(ql_log_warn, vha, 0x8001,
5462 "Unable to reinitialize FCE (%d).\n",
5463 rval);
5464 ha->flags.fce_enabled = 0;
5465 }
5466 }
5467
5468 if (ha->eft) {
5469 memset(ha->eft, 0, EFT_SIZE);
5470 rval = qla2x00_enable_eft_trace(vha,
5471 ha->eft_dma, EFT_NUM_BUFFERS);
5472 if (rval) {
5473 ql_log(ql_log_warn, vha, 0x8010,
5474 "Unable to reinitialize EFT (%d).\n",
5475 rval);
5476 }
5477 }
5478 }
5479
5480 if (!status) {
5481 ql_dbg(ql_dbg_taskm, vha, 0x8011,
5482 "qla82xx_restart_isp succeeded.\n");
5483
5484 spin_lock_irqsave(&ha->vport_slock, flags);
5485 list_for_each_entry(vp, &ha->vp_list, list) {
5486 if (vp->vp_idx) {
5487 atomic_inc(&vp->vref_count);
5488 spin_unlock_irqrestore(&ha->vport_slock, flags);
5489
5490 qla2x00_vp_abort_isp(vp);
5491
5492 spin_lock_irqsave(&ha->vport_slock, flags);
5493 atomic_dec(&vp->vref_count);
5494 }
5495 }
5496 spin_unlock_irqrestore(&ha->vport_slock, flags);
5497
5498 } else {
5499 ql_log(ql_log_warn, vha, 0x8016,
5500 "qla82xx_restart_isp **** FAILED ****.\n");
5501 }
5502
5503 return status;
5504 }
5505
5506 void
5507 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5508 {
5509 struct qla_hw_data *ha = vha->hw;
5510
5511 if (!ql2xetsenable)
5512 return;
5513
5514 /* Enable ETS Burst. */
5515 memset(ha->fw_options, 0, sizeof(ha->fw_options));
5516 ha->fw_options[2] |= BIT_9;
5517 qla2x00_set_fw_options(vha, ha->fw_options);
5518 }
5519
5520 /*
5521 * qla24xx_get_fcp_prio
5522 * Gets the fcp cmd priority value for the logged in port.
5523 * Looks for a match of the port descriptors within
5524 * each of the fcp prio config entries. If a match is found,
5525 * the tag (priority) value is returned.
5526 *
5527 * Input:
5528 * vha = scsi host structure pointer.
5529 * fcport = port structure pointer.
5530 *
5531 * Return:
5532 * non-zero (if found)
5533 * -1 (if not found)
5534 *
5535 * Context:
5536 * Kernel context
5537 */
5538 static int
5539 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5540 {
5541 int i, entries;
5542 uint8_t pid_match, wwn_match;
5543 int priority;
5544 uint32_t pid1, pid2;
5545 uint64_t wwn1, wwn2;
5546 struct qla_fcp_prio_entry *pri_entry;
5547 struct qla_hw_data *ha = vha->hw;
5548
5549 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5550 return -1;
5551
5552 priority = -1;
5553 entries = ha->fcp_prio_cfg->num_entries;
5554 pri_entry = &ha->fcp_prio_cfg->entry[0];
5555
5556 for (i = 0; i < entries; i++) {
5557 pid_match = wwn_match = 0;
5558
5559 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5560 pri_entry++;
5561 continue;
5562 }
5563
5564 /* check source pid for a match */
5565 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5566 pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5567 pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5568 if (pid1 == INVALID_PORT_ID)
5569 pid_match++;
5570 else if (pid1 == pid2)
5571 pid_match++;
5572 }
5573
5574 /* check destination pid for a match */
5575 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5576 pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5577 pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5578 if (pid1 == INVALID_PORT_ID)
5579 pid_match++;
5580 else if (pid1 == pid2)
5581 pid_match++;
5582 }
5583
5584 /* check source WWN for a match */
5585 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5586 wwn1 = wwn_to_u64(vha->port_name);
5587 wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5588 if (wwn2 == (uint64_t)-1)
5589 wwn_match++;
5590 else if (wwn1 == wwn2)
5591 wwn_match++;
5592 }
5593
5594 /* check destination WWN for a match */
5595 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5596 wwn1 = wwn_to_u64(fcport->port_name);
5597 wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5598 if (wwn2 == (uint64_t)-1)
5599 wwn_match++;
5600 else if (wwn1 == wwn2)
5601 wwn_match++;
5602 }
5603
5604 if (pid_match == 2 || wwn_match == 2) {
5605 /* Found a matching entry */
5606 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5607 priority = pri_entry->tag;
5608 break;
5609 }
5610
5611 pri_entry++;
5612 }
5613
5614 return priority;
5615 }
5616
5617 /*
5618 * qla24xx_update_fcport_fcp_prio
5619 * Activates fcp priority for the logged in fc port
5620 *
5621 * Input:
5622 * vha = scsi host structure pointer.
5623 * fcp = port structure pointer.
5624 *
5625 * Return:
5626 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5627 *
5628 * Context:
5629 * Kernel context.
5630 */
5631 int
5632 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5633 {
5634 int ret;
5635 int priority;
5636 uint16_t mb[5];
5637
5638 if (fcport->port_type != FCT_TARGET ||
5639 fcport->loop_id == FC_NO_LOOP_ID)
5640 return QLA_FUNCTION_FAILED;
5641
5642 priority = qla24xx_get_fcp_prio(vha, fcport);
5643 if (priority < 0)
5644 return QLA_FUNCTION_FAILED;
5645
5646 if (IS_QLA82XX(vha->hw)) {
5647 fcport->fcp_prio = priority & 0xf;
5648 return QLA_SUCCESS;
5649 }
5650
5651 ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
5652 if (ret == QLA_SUCCESS) {
5653 if (fcport->fcp_prio != priority)
5654 ql_dbg(ql_dbg_user, vha, 0x709e,
5655 "Updated FCP_CMND priority - value=%d loop_id=%d "
5656 "port_id=%02x%02x%02x.\n", priority,
5657 fcport->loop_id, fcport->d_id.b.domain,
5658 fcport->d_id.b.area, fcport->d_id.b.al_pa);
5659 fcport->fcp_prio = priority & 0xf;
5660 } else
5661 ql_dbg(ql_dbg_user, vha, 0x704f,
5662 "Unable to update FCP_CMND priority - ret=0x%x for "
5663 "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
5664 fcport->d_id.b.domain, fcport->d_id.b.area,
5665 fcport->d_id.b.al_pa);
5666 return ret;
5667 }
5668
5669 /*
5670 * qla24xx_update_all_fcp_prio
5671 * Activates fcp priority for all the logged in ports
5672 *
5673 * Input:
5674 * ha = adapter block pointer.
5675 *
5676 * Return:
5677 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5678 *
5679 * Context:
5680 * Kernel context.
5681 */
5682 int
5683 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5684 {
5685 int ret;
5686 fc_port_t *fcport;
5687
5688 ret = QLA_FUNCTION_FAILED;
5689 /* We need to set priority for all logged in ports */
5690 list_for_each_entry(fcport, &vha->vp_fcports, list)
5691 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5692
5693 return ret;
5694 }