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[SCSI] qla2xxx: Basic infrastructure for dynamic logging.
[deliverable/linux.git] / drivers / scsi / qla2xxx / qla_init.c
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->u.iocb_cmd = iocb;
115 iocb->free = qla2x00_ctx_sp_free;
116
117 init_timer(&iocb->timer);
118 if (!tmo)
119 goto done;
120 iocb->timer.expires = jiffies + tmo * HZ;
121 iocb->timer.data = (unsigned long)sp;
122 iocb->timer.function = qla2x00_ctx_sp_timeout;
123 add_timer(&iocb->timer);
124 done:
125 if (!sp)
126 QLA_VHA_MARK_NOT_BUSY(vha);
127 return sp;
128 }
129
130 /* Asynchronous Login/Logout Routines -------------------------------------- */
131
132 static inline unsigned long
133 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
134 {
135 unsigned long tmo;
136 struct qla_hw_data *ha = vha->hw;
137
138 /* Firmware should use switch negotiated r_a_tov for timeout. */
139 tmo = ha->r_a_tov / 10 * 2;
140 if (!IS_FWI2_CAPABLE(ha)) {
141 /*
142 * Except for earlier ISPs where the timeout is seeded from the
143 * initialization control block.
144 */
145 tmo = ha->login_timeout;
146 }
147 return tmo;
148 }
149
150 static void
151 qla2x00_async_iocb_timeout(srb_t *sp)
152 {
153 fc_port_t *fcport = sp->fcport;
154 struct srb_ctx *ctx = sp->ctx;
155
156 DEBUG2(printk(KERN_WARNING
157 "scsi(%ld:%x): Async-%s timeout - portid=%02x%02x%02x.\n",
158 fcport->vha->host_no, sp->handle,
159 ctx->name, fcport->d_id.b.domain,
160 fcport->d_id.b.area, 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 DEBUG2(printk(KERN_DEBUG
215 "scsi(%ld:%x): Async-login - loop-id=%x portid=%02x%02x%02x "
216 "retries=%d.\n", fcport->vha->host_no, 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 DEBUG2(printk(KERN_DEBUG
263 "scsi(%ld:%x): Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
264 fcport->vha->host_no, sp->handle, fcport->loop_id,
265 fcport->d_id.b.domain, 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 DEBUG2(printk(KERN_DEBUG
313 "scsi(%ld:%x): Async-adisc - loop-id=%x portid=%02x%02x%02x.\n",
314 fcport->vha->host_no, sp->handle, fcport->loop_id,
315 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
316
317 return rval;
318
319 done_free_sp:
320 lio->free(sp);
321 done:
322 return rval;
323 }
324
325 static void
326 qla2x00_async_tm_cmd_ctx_done(srb_t *sp)
327 {
328 struct srb_ctx *ctx = sp->ctx;
329 struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
330
331 qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb);
332 iocb->free(sp);
333 }
334
335 int
336 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
337 uint32_t tag)
338 {
339 struct scsi_qla_host *vha = fcport->vha;
340 srb_t *sp;
341 struct srb_ctx *ctx;
342 struct srb_iocb *tcf;
343 int rval;
344
345 rval = QLA_FUNCTION_FAILED;
346 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
347 qla2x00_get_async_timeout(vha) + 2);
348 if (!sp)
349 goto done;
350
351 ctx = sp->ctx;
352 ctx->type = SRB_TM_CMD;
353 ctx->name = "tmf";
354 tcf = ctx->u.iocb_cmd;
355 tcf->u.tmf.flags = flags;
356 tcf->u.tmf.lun = lun;
357 tcf->u.tmf.data = tag;
358 tcf->timeout = qla2x00_async_iocb_timeout;
359 tcf->done = qla2x00_async_tm_cmd_ctx_done;
360
361 rval = qla2x00_start_sp(sp);
362 if (rval != QLA_SUCCESS)
363 goto done_free_sp;
364
365 DEBUG2(printk(KERN_DEBUG
366 "scsi(%ld:%x): Async-tmf - loop-id=%x portid=%02x%02x%02x.\n",
367 fcport->vha->host_no, sp->handle, fcport->loop_id,
368 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
369
370 return rval;
371
372 done_free_sp:
373 tcf->free(sp);
374 done:
375 return rval;
376 }
377
378 void
379 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
380 uint16_t *data)
381 {
382 int rval;
383
384 switch (data[0]) {
385 case MBS_COMMAND_COMPLETE:
386 /*
387 * Driver must validate login state - If PRLI not complete,
388 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
389 * requests.
390 */
391 rval = qla2x00_get_port_database(vha, fcport, 0);
392 if (rval != QLA_SUCCESS) {
393 qla2x00_post_async_logout_work(vha, fcport, NULL);
394 qla2x00_post_async_login_work(vha, fcport, NULL);
395 break;
396 }
397 if (fcport->flags & FCF_FCP2_DEVICE) {
398 qla2x00_post_async_adisc_work(vha, fcport, data);
399 break;
400 }
401 qla2x00_update_fcport(vha, fcport);
402 break;
403 case MBS_COMMAND_ERROR:
404 fcport->flags &= ~FCF_ASYNC_SENT;
405 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
406 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
407 else
408 qla2x00_mark_device_lost(vha, fcport, 1, 0);
409 break;
410 case MBS_PORT_ID_USED:
411 fcport->loop_id = data[1];
412 qla2x00_post_async_logout_work(vha, fcport, NULL);
413 qla2x00_post_async_login_work(vha, fcport, NULL);
414 break;
415 case MBS_LOOP_ID_USED:
416 fcport->loop_id++;
417 rval = qla2x00_find_new_loop_id(vha, fcport);
418 if (rval != QLA_SUCCESS) {
419 fcport->flags &= ~FCF_ASYNC_SENT;
420 qla2x00_mark_device_lost(vha, fcport, 1, 0);
421 break;
422 }
423 qla2x00_post_async_login_work(vha, fcport, NULL);
424 break;
425 }
426 return;
427 }
428
429 void
430 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
431 uint16_t *data)
432 {
433 qla2x00_mark_device_lost(vha, fcport, 1, 0);
434 return;
435 }
436
437 void
438 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
439 uint16_t *data)
440 {
441 if (data[0] == MBS_COMMAND_COMPLETE) {
442 qla2x00_update_fcport(vha, fcport);
443
444 return;
445 }
446
447 /* Retry login. */
448 fcport->flags &= ~FCF_ASYNC_SENT;
449 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
450 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
451 else
452 qla2x00_mark_device_lost(vha, fcport, 1, 0);
453
454 return;
455 }
456
457 void
458 qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport,
459 struct srb_iocb *iocb)
460 {
461 int rval;
462 uint32_t flags;
463 uint16_t lun;
464
465 flags = iocb->u.tmf.flags;
466 lun = (uint16_t)iocb->u.tmf.lun;
467
468 /* Issue Marker IOCB */
469 rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
470 vha->hw->rsp_q_map[0], fcport->loop_id, lun,
471 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
472
473 if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
474 DEBUG2_3_11(printk(KERN_WARNING
475 "%s(%ld): TM IOCB failed (%x).\n",
476 __func__, vha->host_no, rval));
477 }
478
479 return;
480 }
481
482 /****************************************************************************/
483 /* QLogic ISP2x00 Hardware Support Functions. */
484 /****************************************************************************/
485
486 /*
487 * qla2x00_initialize_adapter
488 * Initialize board.
489 *
490 * Input:
491 * ha = adapter block pointer.
492 *
493 * Returns:
494 * 0 = success
495 */
496 int
497 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
498 {
499 int rval;
500 struct qla_hw_data *ha = vha->hw;
501 struct req_que *req = ha->req_q_map[0];
502
503 /* Clear adapter flags. */
504 vha->flags.online = 0;
505 ha->flags.chip_reset_done = 0;
506 vha->flags.reset_active = 0;
507 ha->flags.pci_channel_io_perm_failure = 0;
508 ha->flags.eeh_busy = 0;
509 ha->flags.thermal_supported = 1;
510 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
511 atomic_set(&vha->loop_state, LOOP_DOWN);
512 vha->device_flags = DFLG_NO_CABLE;
513 vha->dpc_flags = 0;
514 vha->flags.management_server_logged_in = 0;
515 vha->marker_needed = 0;
516 ha->isp_abort_cnt = 0;
517 ha->beacon_blink_led = 0;
518
519 set_bit(0, ha->req_qid_map);
520 set_bit(0, ha->rsp_qid_map);
521
522 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
523 rval = ha->isp_ops->pci_config(vha);
524 if (rval) {
525 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
526 vha->host_no));
527 return (rval);
528 }
529
530 ha->isp_ops->reset_chip(vha);
531
532 rval = qla2xxx_get_flash_info(vha);
533 if (rval) {
534 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
535 vha->host_no));
536 return (rval);
537 }
538
539 ha->isp_ops->get_flash_version(vha, req->ring);
540
541 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
542
543 ha->isp_ops->nvram_config(vha);
544
545 if (ha->flags.disable_serdes) {
546 /* Mask HBA via NVRAM settings? */
547 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
548 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
549 vha->port_name[0], vha->port_name[1],
550 vha->port_name[2], vha->port_name[3],
551 vha->port_name[4], vha->port_name[5],
552 vha->port_name[6], vha->port_name[7]);
553 return QLA_FUNCTION_FAILED;
554 }
555
556 qla_printk(KERN_INFO, ha, "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 qla_printk(KERN_ERR, ha,
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 qla_printk(KERN_ERR, ha,
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 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
801 vha->host_no));
802 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
803
804 /* Verify checksum of loaded RISC code. */
805 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
806 if (rval == QLA_SUCCESS) {
807 /* And, verify we are not in ROM code. */
808 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
809 &area, &domain, &topo, &sw_cap);
810 }
811 }
812
813 if (rval) {
814 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
815 vha->host_no));
816 }
817
818 return (rval);
819 }
820
821 /**
822 * qla2x00_reset_chip() - Reset ISP chip.
823 * @ha: HA context
824 *
825 * Returns 0 on success.
826 */
827 void
828 qla2x00_reset_chip(scsi_qla_host_t *vha)
829 {
830 unsigned long flags = 0;
831 struct qla_hw_data *ha = vha->hw;
832 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
833 uint32_t cnt;
834 uint16_t cmd;
835
836 if (unlikely(pci_channel_offline(ha->pdev)))
837 return;
838
839 ha->isp_ops->disable_intrs(ha);
840
841 spin_lock_irqsave(&ha->hardware_lock, flags);
842
843 /* Turn off master enable */
844 cmd = 0;
845 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
846 cmd &= ~PCI_COMMAND_MASTER;
847 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
848
849 if (!IS_QLA2100(ha)) {
850 /* Pause RISC. */
851 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
852 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
853 for (cnt = 0; cnt < 30000; cnt++) {
854 if ((RD_REG_WORD(&reg->hccr) &
855 HCCR_RISC_PAUSE) != 0)
856 break;
857 udelay(100);
858 }
859 } else {
860 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
861 udelay(10);
862 }
863
864 /* Select FPM registers. */
865 WRT_REG_WORD(&reg->ctrl_status, 0x20);
866 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
867
868 /* FPM Soft Reset. */
869 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
870 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
871
872 /* Toggle Fpm Reset. */
873 if (!IS_QLA2200(ha)) {
874 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
875 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
876 }
877
878 /* Select frame buffer registers. */
879 WRT_REG_WORD(&reg->ctrl_status, 0x10);
880 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
881
882 /* Reset frame buffer FIFOs. */
883 if (IS_QLA2200(ha)) {
884 WRT_FB_CMD_REG(ha, reg, 0xa000);
885 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
886 } else {
887 WRT_FB_CMD_REG(ha, reg, 0x00fc);
888
889 /* Read back fb_cmd until zero or 3 seconds max */
890 for (cnt = 0; cnt < 3000; cnt++) {
891 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
892 break;
893 udelay(100);
894 }
895 }
896
897 /* Select RISC module registers. */
898 WRT_REG_WORD(&reg->ctrl_status, 0);
899 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
900
901 /* Reset RISC processor. */
902 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
903 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
904
905 /* Release RISC processor. */
906 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
907 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
908 }
909
910 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
911 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
912
913 /* Reset ISP chip. */
914 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
915
916 /* Wait for RISC to recover from reset. */
917 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
918 /*
919 * It is necessary to for a delay here since the card doesn't
920 * respond to PCI reads during a reset. On some architectures
921 * this will result in an MCA.
922 */
923 udelay(20);
924 for (cnt = 30000; cnt; cnt--) {
925 if ((RD_REG_WORD(&reg->ctrl_status) &
926 CSR_ISP_SOFT_RESET) == 0)
927 break;
928 udelay(100);
929 }
930 } else
931 udelay(10);
932
933 /* Reset RISC processor. */
934 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
935
936 WRT_REG_WORD(&reg->semaphore, 0);
937
938 /* Release RISC processor. */
939 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
940 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
941
942 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
943 for (cnt = 0; cnt < 30000; cnt++) {
944 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
945 break;
946
947 udelay(100);
948 }
949 } else
950 udelay(100);
951
952 /* Turn on master enable */
953 cmd |= PCI_COMMAND_MASTER;
954 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
955
956 /* Disable RISC pause on FPM parity error. */
957 if (!IS_QLA2100(ha)) {
958 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
959 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
960 }
961
962 spin_unlock_irqrestore(&ha->hardware_lock, flags);
963 }
964
965 /**
966 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
967 *
968 * Returns 0 on success.
969 */
970 int
971 qla81xx_reset_mpi(scsi_qla_host_t *vha)
972 {
973 uint16_t mb[4] = {0x1010, 0, 1, 0};
974
975 return qla81xx_write_mpi_register(vha, mb);
976 }
977
978 /**
979 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
980 * @ha: HA context
981 *
982 * Returns 0 on success.
983 */
984 static inline void
985 qla24xx_reset_risc(scsi_qla_host_t *vha)
986 {
987 unsigned long flags = 0;
988 struct qla_hw_data *ha = vha->hw;
989 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
990 uint32_t cnt, d2;
991 uint16_t wd;
992 static int abts_cnt; /* ISP abort retry counts */
993
994 spin_lock_irqsave(&ha->hardware_lock, flags);
995
996 /* Reset RISC. */
997 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
998 for (cnt = 0; cnt < 30000; cnt++) {
999 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1000 break;
1001
1002 udelay(10);
1003 }
1004
1005 WRT_REG_DWORD(&reg->ctrl_status,
1006 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1007 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1008
1009 udelay(100);
1010 /* Wait for firmware to complete NVRAM accesses. */
1011 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1012 for (cnt = 10000 ; cnt && d2; cnt--) {
1013 udelay(5);
1014 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1015 barrier();
1016 }
1017
1018 /* Wait for soft-reset to complete. */
1019 d2 = RD_REG_DWORD(&reg->ctrl_status);
1020 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1021 udelay(5);
1022 d2 = RD_REG_DWORD(&reg->ctrl_status);
1023 barrier();
1024 }
1025
1026 /* If required, do an MPI FW reset now */
1027 if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1028 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1029 if (++abts_cnt < 5) {
1030 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1031 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1032 } else {
1033 /*
1034 * We exhausted the ISP abort retries. We have to
1035 * set the board offline.
1036 */
1037 abts_cnt = 0;
1038 vha->flags.online = 0;
1039 }
1040 }
1041 }
1042
1043 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1044 RD_REG_DWORD(&reg->hccr);
1045
1046 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1047 RD_REG_DWORD(&reg->hccr);
1048
1049 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1050 RD_REG_DWORD(&reg->hccr);
1051
1052 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1053 for (cnt = 6000000 ; cnt && d2; cnt--) {
1054 udelay(5);
1055 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1056 barrier();
1057 }
1058
1059 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1060
1061 if (IS_NOPOLLING_TYPE(ha))
1062 ha->isp_ops->enable_intrs(ha);
1063 }
1064
1065 /**
1066 * qla24xx_reset_chip() - Reset ISP24xx chip.
1067 * @ha: HA context
1068 *
1069 * Returns 0 on success.
1070 */
1071 void
1072 qla24xx_reset_chip(scsi_qla_host_t *vha)
1073 {
1074 struct qla_hw_data *ha = vha->hw;
1075
1076 if (pci_channel_offline(ha->pdev) &&
1077 ha->flags.pci_channel_io_perm_failure) {
1078 return;
1079 }
1080
1081 ha->isp_ops->disable_intrs(ha);
1082
1083 /* Perform RISC reset. */
1084 qla24xx_reset_risc(vha);
1085 }
1086
1087 /**
1088 * qla2x00_chip_diag() - Test chip for proper operation.
1089 * @ha: HA context
1090 *
1091 * Returns 0 on success.
1092 */
1093 int
1094 qla2x00_chip_diag(scsi_qla_host_t *vha)
1095 {
1096 int rval;
1097 struct qla_hw_data *ha = vha->hw;
1098 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1099 unsigned long flags = 0;
1100 uint16_t data;
1101 uint32_t cnt;
1102 uint16_t mb[5];
1103 struct req_que *req = ha->req_q_map[0];
1104
1105 /* Assume a failed state */
1106 rval = QLA_FUNCTION_FAILED;
1107
1108 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
1109 vha->host_no, (u_long)&reg->flash_address));
1110
1111 spin_lock_irqsave(&ha->hardware_lock, flags);
1112
1113 /* Reset ISP chip. */
1114 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1115
1116 /*
1117 * We need to have a delay here since the card will not respond while
1118 * in reset causing an MCA on some architectures.
1119 */
1120 udelay(20);
1121 data = qla2x00_debounce_register(&reg->ctrl_status);
1122 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1123 udelay(5);
1124 data = RD_REG_WORD(&reg->ctrl_status);
1125 barrier();
1126 }
1127
1128 if (!cnt)
1129 goto chip_diag_failed;
1130
1131 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
1132 vha->host_no));
1133
1134 /* Reset RISC processor. */
1135 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1136 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1137
1138 /* Workaround for QLA2312 PCI parity error */
1139 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1140 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1141 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1142 udelay(5);
1143 data = RD_MAILBOX_REG(ha, reg, 0);
1144 barrier();
1145 }
1146 } else
1147 udelay(10);
1148
1149 if (!cnt)
1150 goto chip_diag_failed;
1151
1152 /* Check product ID of chip */
1153 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
1154
1155 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1156 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1157 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1158 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1159 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1160 mb[3] != PROD_ID_3) {
1161 qla_printk(KERN_WARNING, ha,
1162 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
1163
1164 goto chip_diag_failed;
1165 }
1166 ha->product_id[0] = mb[1];
1167 ha->product_id[1] = mb[2];
1168 ha->product_id[2] = mb[3];
1169 ha->product_id[3] = mb[4];
1170
1171 /* Adjust fw RISC transfer size */
1172 if (req->length > 1024)
1173 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1174 else
1175 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1176 req->length;
1177
1178 if (IS_QLA2200(ha) &&
1179 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1180 /* Limit firmware transfer size with a 2200A */
1181 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
1182 vha->host_no));
1183
1184 ha->device_type |= DT_ISP2200A;
1185 ha->fw_transfer_size = 128;
1186 }
1187
1188 /* Wrap Incoming Mailboxes Test. */
1189 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1190
1191 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
1192 rval = qla2x00_mbx_reg_test(vha);
1193 if (rval) {
1194 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1195 vha->host_no));
1196 qla_printk(KERN_WARNING, ha,
1197 "Failed mailbox send register test\n");
1198 }
1199 else {
1200 /* Flag a successful rval */
1201 rval = QLA_SUCCESS;
1202 }
1203 spin_lock_irqsave(&ha->hardware_lock, flags);
1204
1205 chip_diag_failed:
1206 if (rval)
1207 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
1208 "****\n", vha->host_no));
1209
1210 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1211
1212 return (rval);
1213 }
1214
1215 /**
1216 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1217 * @ha: HA context
1218 *
1219 * Returns 0 on success.
1220 */
1221 int
1222 qla24xx_chip_diag(scsi_qla_host_t *vha)
1223 {
1224 int rval;
1225 struct qla_hw_data *ha = vha->hw;
1226 struct req_que *req = ha->req_q_map[0];
1227
1228 if (IS_QLA82XX(ha))
1229 return QLA_SUCCESS;
1230
1231 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1232
1233 rval = qla2x00_mbx_reg_test(vha);
1234 if (rval) {
1235 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1236 vha->host_no));
1237 qla_printk(KERN_WARNING, ha,
1238 "Failed mailbox send register test\n");
1239 } else {
1240 /* Flag a successful rval */
1241 rval = QLA_SUCCESS;
1242 }
1243
1244 return rval;
1245 }
1246
1247 void
1248 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1249 {
1250 int rval;
1251 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1252 eft_size, fce_size, mq_size;
1253 dma_addr_t tc_dma;
1254 void *tc;
1255 struct qla_hw_data *ha = vha->hw;
1256 struct req_que *req = ha->req_q_map[0];
1257 struct rsp_que *rsp = ha->rsp_q_map[0];
1258
1259 if (ha->fw_dump) {
1260 qla_printk(KERN_WARNING, ha,
1261 "Firmware dump previously allocated.\n");
1262 return;
1263 }
1264
1265 ha->fw_dumped = 0;
1266 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1267 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1268 fixed_size = sizeof(struct qla2100_fw_dump);
1269 } else if (IS_QLA23XX(ha)) {
1270 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1271 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1272 sizeof(uint16_t);
1273 } else if (IS_FWI2_CAPABLE(ha)) {
1274 if (IS_QLA81XX(ha))
1275 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1276 else if (IS_QLA25XX(ha))
1277 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1278 else
1279 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1280 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1281 sizeof(uint32_t);
1282 if (ha->mqenable)
1283 mq_size = sizeof(struct qla2xxx_mq_chain);
1284 /* Allocate memory for Fibre Channel Event Buffer. */
1285 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1286 goto try_eft;
1287
1288 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1289 GFP_KERNEL);
1290 if (!tc) {
1291 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1292 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
1293 goto try_eft;
1294 }
1295
1296 memset(tc, 0, FCE_SIZE);
1297 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1298 ha->fce_mb, &ha->fce_bufs);
1299 if (rval) {
1300 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1301 "FCE (%d).\n", rval);
1302 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1303 tc_dma);
1304 ha->flags.fce_enabled = 0;
1305 goto try_eft;
1306 }
1307
1308 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1309 FCE_SIZE / 1024);
1310
1311 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1312 ha->flags.fce_enabled = 1;
1313 ha->fce_dma = tc_dma;
1314 ha->fce = tc;
1315 try_eft:
1316 /* Allocate memory for Extended Trace Buffer. */
1317 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1318 GFP_KERNEL);
1319 if (!tc) {
1320 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1321 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1322 goto cont_alloc;
1323 }
1324
1325 memset(tc, 0, EFT_SIZE);
1326 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1327 if (rval) {
1328 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1329 "EFT (%d).\n", rval);
1330 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1331 tc_dma);
1332 goto cont_alloc;
1333 }
1334
1335 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1336 EFT_SIZE / 1024);
1337
1338 eft_size = EFT_SIZE;
1339 ha->eft_dma = tc_dma;
1340 ha->eft = tc;
1341 }
1342 cont_alloc:
1343 req_q_size = req->length * sizeof(request_t);
1344 rsp_q_size = rsp->length * sizeof(response_t);
1345
1346 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1347 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1348 ha->chain_offset = dump_size;
1349 dump_size += mq_size + fce_size;
1350
1351 ha->fw_dump = vmalloc(dump_size);
1352 if (!ha->fw_dump) {
1353 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1354 "firmware dump!!!\n", dump_size / 1024);
1355
1356 if (ha->fce) {
1357 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1358 ha->fce_dma);
1359 ha->fce = NULL;
1360 ha->fce_dma = 0;
1361 }
1362
1363 if (ha->eft) {
1364 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1365 ha->eft_dma);
1366 ha->eft = NULL;
1367 ha->eft_dma = 0;
1368 }
1369 return;
1370 }
1371 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1372 dump_size / 1024);
1373
1374 ha->fw_dump_len = dump_size;
1375 ha->fw_dump->signature[0] = 'Q';
1376 ha->fw_dump->signature[1] = 'L';
1377 ha->fw_dump->signature[2] = 'G';
1378 ha->fw_dump->signature[3] = 'C';
1379 ha->fw_dump->version = __constant_htonl(1);
1380
1381 ha->fw_dump->fixed_size = htonl(fixed_size);
1382 ha->fw_dump->mem_size = htonl(mem_size);
1383 ha->fw_dump->req_q_size = htonl(req_q_size);
1384 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1385
1386 ha->fw_dump->eft_size = htonl(eft_size);
1387 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1388 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1389
1390 ha->fw_dump->header_size =
1391 htonl(offsetof(struct qla2xxx_fw_dump, isp));
1392 }
1393
1394 static int
1395 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1396 {
1397 #define MPS_MASK 0xe0
1398 int rval;
1399 uint16_t dc;
1400 uint32_t dw;
1401 struct qla_hw_data *ha = vha->hw;
1402
1403 if (!IS_QLA81XX(vha->hw))
1404 return QLA_SUCCESS;
1405
1406 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1407 if (rval != QLA_SUCCESS) {
1408 DEBUG2(qla_printk(KERN_WARNING, ha,
1409 "Sync-MPI: Unable to acquire semaphore.\n"));
1410 goto done;
1411 }
1412
1413 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1414 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1415 if (rval != QLA_SUCCESS) {
1416 DEBUG2(qla_printk(KERN_WARNING, ha,
1417 "Sync-MPI: Unable to read sync.\n"));
1418 goto done_release;
1419 }
1420
1421 dc &= MPS_MASK;
1422 if (dc == (dw & MPS_MASK))
1423 goto done_release;
1424
1425 dw &= ~MPS_MASK;
1426 dw |= dc;
1427 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1428 if (rval != QLA_SUCCESS) {
1429 DEBUG2(qla_printk(KERN_WARNING, ha,
1430 "Sync-MPI: Unable to gain sync.\n"));
1431 }
1432
1433 done_release:
1434 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1435 if (rval != QLA_SUCCESS) {
1436 DEBUG2(qla_printk(KERN_WARNING, ha,
1437 "Sync-MPI: Unable to release semaphore.\n"));
1438 }
1439
1440 done:
1441 return rval;
1442 }
1443
1444 /**
1445 * qla2x00_setup_chip() - Load and start RISC firmware.
1446 * @ha: HA context
1447 *
1448 * Returns 0 on success.
1449 */
1450 static int
1451 qla2x00_setup_chip(scsi_qla_host_t *vha)
1452 {
1453 int rval;
1454 uint32_t srisc_address = 0;
1455 struct qla_hw_data *ha = vha->hw;
1456 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1457 unsigned long flags;
1458 uint16_t fw_major_version;
1459
1460 if (IS_QLA82XX(ha)) {
1461 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1462 if (rval == QLA_SUCCESS) {
1463 qla2x00_stop_firmware(vha);
1464 goto enable_82xx_npiv;
1465 } else
1466 goto failed;
1467 }
1468
1469 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1470 /* Disable SRAM, Instruction RAM and GP RAM parity. */
1471 spin_lock_irqsave(&ha->hardware_lock, flags);
1472 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1473 RD_REG_WORD(&reg->hccr);
1474 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1475 }
1476
1477 qla81xx_mpi_sync(vha);
1478
1479 /* Load firmware sequences */
1480 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1481 if (rval == QLA_SUCCESS) {
1482 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1483 "code.\n", vha->host_no));
1484
1485 rval = qla2x00_verify_checksum(vha, srisc_address);
1486 if (rval == QLA_SUCCESS) {
1487 /* Start firmware execution. */
1488 DEBUG(printk("scsi(%ld): Checksum OK, start "
1489 "firmware.\n", vha->host_no));
1490
1491 rval = qla2x00_execute_fw(vha, srisc_address);
1492 /* Retrieve firmware information. */
1493 if (rval == QLA_SUCCESS) {
1494 enable_82xx_npiv:
1495 fw_major_version = ha->fw_major_version;
1496 rval = qla2x00_get_fw_version(vha,
1497 &ha->fw_major_version,
1498 &ha->fw_minor_version,
1499 &ha->fw_subminor_version,
1500 &ha->fw_attributes, &ha->fw_memory_size,
1501 ha->mpi_version, &ha->mpi_capabilities,
1502 ha->phy_version);
1503 if (rval != QLA_SUCCESS)
1504 goto failed;
1505 ha->flags.npiv_supported = 0;
1506 if (IS_QLA2XXX_MIDTYPE(ha) &&
1507 (ha->fw_attributes & BIT_2)) {
1508 ha->flags.npiv_supported = 1;
1509 if ((!ha->max_npiv_vports) ||
1510 ((ha->max_npiv_vports + 1) %
1511 MIN_MULTI_ID_FABRIC))
1512 ha->max_npiv_vports =
1513 MIN_MULTI_ID_FABRIC - 1;
1514 }
1515 qla2x00_get_resource_cnts(vha, NULL,
1516 &ha->fw_xcb_count, NULL, NULL,
1517 &ha->max_npiv_vports, NULL);
1518
1519 if (!fw_major_version && ql2xallocfwdump) {
1520 if (!IS_QLA82XX(ha))
1521 qla2x00_alloc_fw_dump(vha);
1522 }
1523 }
1524 } else {
1525 DEBUG2(printk(KERN_INFO
1526 "scsi(%ld): ISP Firmware failed checksum.\n",
1527 vha->host_no));
1528 }
1529 }
1530
1531 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1532 /* Enable proper parity. */
1533 spin_lock_irqsave(&ha->hardware_lock, flags);
1534 if (IS_QLA2300(ha))
1535 /* SRAM parity */
1536 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1537 else
1538 /* SRAM, Instruction RAM and GP RAM parity */
1539 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1540 RD_REG_WORD(&reg->hccr);
1541 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1542 }
1543
1544 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1545 uint32_t size;
1546
1547 rval = qla81xx_fac_get_sector_size(vha, &size);
1548 if (rval == QLA_SUCCESS) {
1549 ha->flags.fac_supported = 1;
1550 ha->fdt_block_size = size << 2;
1551 } else {
1552 qla_printk(KERN_ERR, ha,
1553 "Unsupported FAC firmware (%d.%02d.%02d).\n",
1554 ha->fw_major_version, ha->fw_minor_version,
1555 ha->fw_subminor_version);
1556 }
1557 }
1558 failed:
1559 if (rval) {
1560 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1561 vha->host_no));
1562 }
1563
1564 return (rval);
1565 }
1566
1567 /**
1568 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1569 * @ha: HA context
1570 *
1571 * Beginning of request ring has initialization control block already built
1572 * by nvram config routine.
1573 *
1574 * Returns 0 on success.
1575 */
1576 void
1577 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1578 {
1579 uint16_t cnt;
1580 response_t *pkt;
1581
1582 rsp->ring_ptr = rsp->ring;
1583 rsp->ring_index = 0;
1584 rsp->status_srb = NULL;
1585 pkt = rsp->ring_ptr;
1586 for (cnt = 0; cnt < rsp->length; cnt++) {
1587 pkt->signature = RESPONSE_PROCESSED;
1588 pkt++;
1589 }
1590 }
1591
1592 /**
1593 * qla2x00_update_fw_options() - Read and process firmware options.
1594 * @ha: HA context
1595 *
1596 * Returns 0 on success.
1597 */
1598 void
1599 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1600 {
1601 uint16_t swing, emphasis, tx_sens, rx_sens;
1602 struct qla_hw_data *ha = vha->hw;
1603
1604 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1605 qla2x00_get_fw_options(vha, ha->fw_options);
1606
1607 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1608 return;
1609
1610 /* Serial Link options. */
1611 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1612 vha->host_no));
1613 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1614 sizeof(ha->fw_seriallink_options)));
1615
1616 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1617 if (ha->fw_seriallink_options[3] & BIT_2) {
1618 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1619
1620 /* 1G settings */
1621 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1622 emphasis = (ha->fw_seriallink_options[2] &
1623 (BIT_4 | BIT_3)) >> 3;
1624 tx_sens = ha->fw_seriallink_options[0] &
1625 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1626 rx_sens = (ha->fw_seriallink_options[0] &
1627 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1628 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1629 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1630 if (rx_sens == 0x0)
1631 rx_sens = 0x3;
1632 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1633 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1634 ha->fw_options[10] |= BIT_5 |
1635 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1636 (tx_sens & (BIT_1 | BIT_0));
1637
1638 /* 2G settings */
1639 swing = (ha->fw_seriallink_options[2] &
1640 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1641 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1642 tx_sens = ha->fw_seriallink_options[1] &
1643 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1644 rx_sens = (ha->fw_seriallink_options[1] &
1645 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1646 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1647 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1648 if (rx_sens == 0x0)
1649 rx_sens = 0x3;
1650 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1651 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1652 ha->fw_options[11] |= BIT_5 |
1653 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1654 (tx_sens & (BIT_1 | BIT_0));
1655 }
1656
1657 /* FCP2 options. */
1658 /* Return command IOCBs without waiting for an ABTS to complete. */
1659 ha->fw_options[3] |= BIT_13;
1660
1661 /* LED scheme. */
1662 if (ha->flags.enable_led_scheme)
1663 ha->fw_options[2] |= BIT_12;
1664
1665 /* Detect ISP6312. */
1666 if (IS_QLA6312(ha))
1667 ha->fw_options[2] |= BIT_13;
1668
1669 /* Update firmware options. */
1670 qla2x00_set_fw_options(vha, ha->fw_options);
1671 }
1672
1673 void
1674 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1675 {
1676 int rval;
1677 struct qla_hw_data *ha = vha->hw;
1678
1679 if (IS_QLA82XX(ha))
1680 return;
1681
1682 /* Update Serial Link options. */
1683 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1684 return;
1685
1686 rval = qla2x00_set_serdes_params(vha,
1687 le16_to_cpu(ha->fw_seriallink_options24[1]),
1688 le16_to_cpu(ha->fw_seriallink_options24[2]),
1689 le16_to_cpu(ha->fw_seriallink_options24[3]));
1690 if (rval != QLA_SUCCESS) {
1691 qla_printk(KERN_WARNING, ha,
1692 "Unable to update Serial Link options (%x).\n", rval);
1693 }
1694 }
1695
1696 void
1697 qla2x00_config_rings(struct scsi_qla_host *vha)
1698 {
1699 struct qla_hw_data *ha = vha->hw;
1700 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1701 struct req_que *req = ha->req_q_map[0];
1702 struct rsp_que *rsp = ha->rsp_q_map[0];
1703
1704 /* Setup ring parameters in initialization control block. */
1705 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1706 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1707 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1708 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1709 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1710 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1711 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1712 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1713
1714 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1715 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1716 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1717 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1718 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1719 }
1720
1721 void
1722 qla24xx_config_rings(struct scsi_qla_host *vha)
1723 {
1724 struct qla_hw_data *ha = vha->hw;
1725 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1726 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1727 struct qla_msix_entry *msix;
1728 struct init_cb_24xx *icb;
1729 uint16_t rid = 0;
1730 struct req_que *req = ha->req_q_map[0];
1731 struct rsp_que *rsp = ha->rsp_q_map[0];
1732
1733 /* Setup ring parameters in initialization control block. */
1734 icb = (struct init_cb_24xx *)ha->init_cb;
1735 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1736 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1737 icb->request_q_length = cpu_to_le16(req->length);
1738 icb->response_q_length = cpu_to_le16(rsp->length);
1739 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1740 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1741 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1742 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1743
1744 if (ha->mqenable) {
1745 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1746 icb->rid = __constant_cpu_to_le16(rid);
1747 if (ha->flags.msix_enabled) {
1748 msix = &ha->msix_entries[1];
1749 DEBUG2_17(printk(KERN_INFO
1750 "Registering vector 0x%x for base que\n", msix->entry));
1751 icb->msix = cpu_to_le16(msix->entry);
1752 }
1753 /* Use alternate PCI bus number */
1754 if (MSB(rid))
1755 icb->firmware_options_2 |=
1756 __constant_cpu_to_le32(BIT_19);
1757 /* Use alternate PCI devfn */
1758 if (LSB(rid))
1759 icb->firmware_options_2 |=
1760 __constant_cpu_to_le32(BIT_18);
1761
1762 /* Use Disable MSIX Handshake mode for capable adapters */
1763 if (IS_MSIX_NACK_CAPABLE(ha)) {
1764 icb->firmware_options_2 &=
1765 __constant_cpu_to_le32(~BIT_22);
1766 ha->flags.disable_msix_handshake = 1;
1767 qla_printk(KERN_INFO, ha,
1768 "MSIX Handshake Disable Mode turned on\n");
1769 } else {
1770 icb->firmware_options_2 |=
1771 __constant_cpu_to_le32(BIT_22);
1772 }
1773 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1774
1775 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1776 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1777 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1778 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1779 } else {
1780 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1781 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1782 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1783 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1784 }
1785 /* PCI posting */
1786 RD_REG_DWORD(&ioreg->hccr);
1787 }
1788
1789 /**
1790 * qla2x00_init_rings() - Initializes firmware.
1791 * @ha: HA context
1792 *
1793 * Beginning of request ring has initialization control block already built
1794 * by nvram config routine.
1795 *
1796 * Returns 0 on success.
1797 */
1798 static int
1799 qla2x00_init_rings(scsi_qla_host_t *vha)
1800 {
1801 int rval;
1802 unsigned long flags = 0;
1803 int cnt, que;
1804 struct qla_hw_data *ha = vha->hw;
1805 struct req_que *req;
1806 struct rsp_que *rsp;
1807 struct scsi_qla_host *vp;
1808 struct mid_init_cb_24xx *mid_init_cb =
1809 (struct mid_init_cb_24xx *) ha->init_cb;
1810
1811 spin_lock_irqsave(&ha->hardware_lock, flags);
1812
1813 /* Clear outstanding commands array. */
1814 for (que = 0; que < ha->max_req_queues; que++) {
1815 req = ha->req_q_map[que];
1816 if (!req)
1817 continue;
1818 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1819 req->outstanding_cmds[cnt] = NULL;
1820
1821 req->current_outstanding_cmd = 1;
1822
1823 /* Initialize firmware. */
1824 req->ring_ptr = req->ring;
1825 req->ring_index = 0;
1826 req->cnt = req->length;
1827 }
1828
1829 for (que = 0; que < ha->max_rsp_queues; que++) {
1830 rsp = ha->rsp_q_map[que];
1831 if (!rsp)
1832 continue;
1833 /* Initialize response queue entries */
1834 qla2x00_init_response_q_entries(rsp);
1835 }
1836
1837 spin_lock(&ha->vport_slock);
1838 /* Clear RSCN queue. */
1839 list_for_each_entry(vp, &ha->vp_list, list) {
1840 vp->rscn_in_ptr = 0;
1841 vp->rscn_out_ptr = 0;
1842 }
1843
1844 spin_unlock(&ha->vport_slock);
1845
1846 ha->isp_ops->config_rings(vha);
1847
1848 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1849
1850 /* Update any ISP specific firmware options before initialization. */
1851 ha->isp_ops->update_fw_options(vha);
1852
1853 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1854
1855 if (ha->flags.npiv_supported) {
1856 if (ha->operating_mode == LOOP)
1857 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1858 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1859 }
1860
1861 if (IS_FWI2_CAPABLE(ha)) {
1862 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1863 mid_init_cb->init_cb.execution_throttle =
1864 cpu_to_le16(ha->fw_xcb_count);
1865 }
1866
1867 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1868 if (rval) {
1869 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1870 vha->host_no));
1871 } else {
1872 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1873 vha->host_no));
1874 }
1875
1876 return (rval);
1877 }
1878
1879 /**
1880 * qla2x00_fw_ready() - Waits for firmware ready.
1881 * @ha: HA context
1882 *
1883 * Returns 0 on success.
1884 */
1885 static int
1886 qla2x00_fw_ready(scsi_qla_host_t *vha)
1887 {
1888 int rval;
1889 unsigned long wtime, mtime, cs84xx_time;
1890 uint16_t min_wait; /* Minimum wait time if loop is down */
1891 uint16_t wait_time; /* Wait time if loop is coming ready */
1892 uint16_t state[5];
1893 struct qla_hw_data *ha = vha->hw;
1894
1895 rval = QLA_SUCCESS;
1896
1897 /* 20 seconds for loop down. */
1898 min_wait = 20;
1899
1900 /*
1901 * Firmware should take at most one RATOV to login, plus 5 seconds for
1902 * our own processing.
1903 */
1904 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1905 wait_time = min_wait;
1906 }
1907
1908 /* Min wait time if loop down */
1909 mtime = jiffies + (min_wait * HZ);
1910
1911 /* wait time before firmware ready */
1912 wtime = jiffies + (wait_time * HZ);
1913
1914 /* Wait for ISP to finish LIP */
1915 if (!vha->flags.init_done)
1916 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1917
1918 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1919 vha->host_no));
1920
1921 do {
1922 rval = qla2x00_get_firmware_state(vha, state);
1923 if (rval == QLA_SUCCESS) {
1924 if (state[0] < FSTATE_LOSS_OF_SYNC) {
1925 vha->device_flags &= ~DFLG_NO_CABLE;
1926 }
1927 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1928 DEBUG16(printk("scsi(%ld): fw_state=%x "
1929 "84xx=%x.\n", vha->host_no, state[0],
1930 state[2]));
1931 if ((state[2] & FSTATE_LOGGED_IN) &&
1932 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1933 DEBUG16(printk("scsi(%ld): Sending "
1934 "verify iocb.\n", vha->host_no));
1935
1936 cs84xx_time = jiffies;
1937 rval = qla84xx_init_chip(vha);
1938 if (rval != QLA_SUCCESS)
1939 break;
1940
1941 /* Add time taken to initialize. */
1942 cs84xx_time = jiffies - cs84xx_time;
1943 wtime += cs84xx_time;
1944 mtime += cs84xx_time;
1945 DEBUG16(printk("scsi(%ld): Increasing "
1946 "wait time by %ld. New time %ld\n",
1947 vha->host_no, cs84xx_time, wtime));
1948 }
1949 } else if (state[0] == FSTATE_READY) {
1950 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1951 vha->host_no));
1952
1953 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1954 &ha->login_timeout, &ha->r_a_tov);
1955
1956 rval = QLA_SUCCESS;
1957 break;
1958 }
1959
1960 rval = QLA_FUNCTION_FAILED;
1961
1962 if (atomic_read(&vha->loop_down_timer) &&
1963 state[0] != FSTATE_READY) {
1964 /* Loop down. Timeout on min_wait for states
1965 * other than Wait for Login.
1966 */
1967 if (time_after_eq(jiffies, mtime)) {
1968 qla_printk(KERN_INFO, ha,
1969 "Cable is unplugged...\n");
1970
1971 vha->device_flags |= DFLG_NO_CABLE;
1972 break;
1973 }
1974 }
1975 } else {
1976 /* Mailbox cmd failed. Timeout on min_wait. */
1977 if (time_after_eq(jiffies, mtime) ||
1978 ha->flags.isp82xx_fw_hung)
1979 break;
1980 }
1981
1982 if (time_after_eq(jiffies, wtime))
1983 break;
1984
1985 /* Delay for a while */
1986 msleep(500);
1987
1988 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1989 vha->host_no, state[0], jiffies));
1990 } while (1);
1991
1992 DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1993 vha->host_no, state[0], state[1], state[2], state[3], state[4],
1994 jiffies));
1995
1996 if (rval) {
1997 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1998 vha->host_no));
1999 }
2000
2001 return (rval);
2002 }
2003
2004 /*
2005 * qla2x00_configure_hba
2006 * Setup adapter context.
2007 *
2008 * Input:
2009 * ha = adapter state pointer.
2010 *
2011 * Returns:
2012 * 0 = success
2013 *
2014 * Context:
2015 * Kernel context.
2016 */
2017 static int
2018 qla2x00_configure_hba(scsi_qla_host_t *vha)
2019 {
2020 int rval;
2021 uint16_t loop_id;
2022 uint16_t topo;
2023 uint16_t sw_cap;
2024 uint8_t al_pa;
2025 uint8_t area;
2026 uint8_t domain;
2027 char connect_type[22];
2028 struct qla_hw_data *ha = vha->hw;
2029
2030 /* Get host addresses. */
2031 rval = qla2x00_get_adapter_id(vha,
2032 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2033 if (rval != QLA_SUCCESS) {
2034 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2035 IS_QLA8XXX_TYPE(ha) ||
2036 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2037 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
2038 __func__, vha->host_no));
2039 } else {
2040 qla_printk(KERN_WARNING, ha,
2041 "ERROR -- Unable to get host loop ID.\n");
2042 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2043 }
2044 return (rval);
2045 }
2046
2047 if (topo == 4) {
2048 qla_printk(KERN_INFO, ha,
2049 "Cannot get topology - retrying.\n");
2050 return (QLA_FUNCTION_FAILED);
2051 }
2052
2053 vha->loop_id = loop_id;
2054
2055 /* initialize */
2056 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2057 ha->operating_mode = LOOP;
2058 ha->switch_cap = 0;
2059
2060 switch (topo) {
2061 case 0:
2062 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
2063 vha->host_no));
2064 ha->current_topology = ISP_CFG_NL;
2065 strcpy(connect_type, "(Loop)");
2066 break;
2067
2068 case 1:
2069 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
2070 vha->host_no));
2071 ha->switch_cap = sw_cap;
2072 ha->current_topology = ISP_CFG_FL;
2073 strcpy(connect_type, "(FL_Port)");
2074 break;
2075
2076 case 2:
2077 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
2078 vha->host_no));
2079 ha->operating_mode = P2P;
2080 ha->current_topology = ISP_CFG_N;
2081 strcpy(connect_type, "(N_Port-to-N_Port)");
2082 break;
2083
2084 case 3:
2085 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
2086 vha->host_no));
2087 ha->switch_cap = sw_cap;
2088 ha->operating_mode = P2P;
2089 ha->current_topology = ISP_CFG_F;
2090 strcpy(connect_type, "(F_Port)");
2091 break;
2092
2093 default:
2094 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
2095 "Using NL.\n",
2096 vha->host_no, topo));
2097 ha->current_topology = ISP_CFG_NL;
2098 strcpy(connect_type, "(Loop)");
2099 break;
2100 }
2101
2102 /* Save Host port and loop ID. */
2103 /* byte order - Big Endian */
2104 vha->d_id.b.domain = domain;
2105 vha->d_id.b.area = area;
2106 vha->d_id.b.al_pa = al_pa;
2107
2108 if (!vha->flags.init_done)
2109 qla_printk(KERN_INFO, ha,
2110 "Topology - %s, Host Loop address 0x%x\n",
2111 connect_type, vha->loop_id);
2112
2113 if (rval) {
2114 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
2115 } else {
2116 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
2117 }
2118
2119 return(rval);
2120 }
2121
2122 inline void
2123 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2124 char *def)
2125 {
2126 char *st, *en;
2127 uint16_t index;
2128 struct qla_hw_data *ha = vha->hw;
2129 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2130 !IS_QLA8XXX_TYPE(ha);
2131
2132 if (memcmp(model, BINZERO, len) != 0) {
2133 strncpy(ha->model_number, model, len);
2134 st = en = ha->model_number;
2135 en += len - 1;
2136 while (en > st) {
2137 if (*en != 0x20 && *en != 0x00)
2138 break;
2139 *en-- = '\0';
2140 }
2141
2142 index = (ha->pdev->subsystem_device & 0xff);
2143 if (use_tbl &&
2144 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2145 index < QLA_MODEL_NAMES)
2146 strncpy(ha->model_desc,
2147 qla2x00_model_name[index * 2 + 1],
2148 sizeof(ha->model_desc) - 1);
2149 } else {
2150 index = (ha->pdev->subsystem_device & 0xff);
2151 if (use_tbl &&
2152 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2153 index < QLA_MODEL_NAMES) {
2154 strcpy(ha->model_number,
2155 qla2x00_model_name[index * 2]);
2156 strncpy(ha->model_desc,
2157 qla2x00_model_name[index * 2 + 1],
2158 sizeof(ha->model_desc) - 1);
2159 } else {
2160 strcpy(ha->model_number, def);
2161 }
2162 }
2163 if (IS_FWI2_CAPABLE(ha))
2164 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2165 sizeof(ha->model_desc));
2166 }
2167
2168 /* On sparc systems, obtain port and node WWN from firmware
2169 * properties.
2170 */
2171 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2172 {
2173 #ifdef CONFIG_SPARC
2174 struct qla_hw_data *ha = vha->hw;
2175 struct pci_dev *pdev = ha->pdev;
2176 struct device_node *dp = pci_device_to_OF_node(pdev);
2177 const u8 *val;
2178 int len;
2179
2180 val = of_get_property(dp, "port-wwn", &len);
2181 if (val && len >= WWN_SIZE)
2182 memcpy(nv->port_name, val, WWN_SIZE);
2183
2184 val = of_get_property(dp, "node-wwn", &len);
2185 if (val && len >= WWN_SIZE)
2186 memcpy(nv->node_name, val, WWN_SIZE);
2187 #endif
2188 }
2189
2190 /*
2191 * NVRAM configuration for ISP 2xxx
2192 *
2193 * Input:
2194 * ha = adapter block pointer.
2195 *
2196 * Output:
2197 * initialization control block in response_ring
2198 * host adapters parameters in host adapter block
2199 *
2200 * Returns:
2201 * 0 = success.
2202 */
2203 int
2204 qla2x00_nvram_config(scsi_qla_host_t *vha)
2205 {
2206 int rval;
2207 uint8_t chksum = 0;
2208 uint16_t cnt;
2209 uint8_t *dptr1, *dptr2;
2210 struct qla_hw_data *ha = vha->hw;
2211 init_cb_t *icb = ha->init_cb;
2212 nvram_t *nv = ha->nvram;
2213 uint8_t *ptr = ha->nvram;
2214 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2215
2216 rval = QLA_SUCCESS;
2217
2218 /* Determine NVRAM starting address. */
2219 ha->nvram_size = sizeof(nvram_t);
2220 ha->nvram_base = 0;
2221 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2222 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2223 ha->nvram_base = 0x80;
2224
2225 /* Get NVRAM data and calculate checksum. */
2226 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2227 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2228 chksum += *ptr++;
2229
2230 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
2231 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
2232
2233 /* Bad NVRAM data, set defaults parameters. */
2234 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2235 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2236 /* Reset NVRAM data. */
2237 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
2238 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
2239 nv->nvram_version);
2240 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
2241 "invalid -- WWPN) defaults.\n");
2242
2243 /*
2244 * Set default initialization control block.
2245 */
2246 memset(nv, 0, ha->nvram_size);
2247 nv->parameter_block_version = ICB_VERSION;
2248
2249 if (IS_QLA23XX(ha)) {
2250 nv->firmware_options[0] = BIT_2 | BIT_1;
2251 nv->firmware_options[1] = BIT_7 | BIT_5;
2252 nv->add_firmware_options[0] = BIT_5;
2253 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2254 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2255 nv->special_options[1] = BIT_7;
2256 } else if (IS_QLA2200(ha)) {
2257 nv->firmware_options[0] = BIT_2 | BIT_1;
2258 nv->firmware_options[1] = BIT_7 | BIT_5;
2259 nv->add_firmware_options[0] = BIT_5;
2260 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2261 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2262 } else if (IS_QLA2100(ha)) {
2263 nv->firmware_options[0] = BIT_3 | BIT_1;
2264 nv->firmware_options[1] = BIT_5;
2265 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2266 }
2267
2268 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2269 nv->execution_throttle = __constant_cpu_to_le16(16);
2270 nv->retry_count = 8;
2271 nv->retry_delay = 1;
2272
2273 nv->port_name[0] = 33;
2274 nv->port_name[3] = 224;
2275 nv->port_name[4] = 139;
2276
2277 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2278
2279 nv->login_timeout = 4;
2280
2281 /*
2282 * Set default host adapter parameters
2283 */
2284 nv->host_p[1] = BIT_2;
2285 nv->reset_delay = 5;
2286 nv->port_down_retry_count = 8;
2287 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2288 nv->link_down_timeout = 60;
2289
2290 rval = 1;
2291 }
2292
2293 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2294 /*
2295 * The SN2 does not provide BIOS emulation which means you can't change
2296 * potentially bogus BIOS settings. Force the use of default settings
2297 * for link rate and frame size. Hope that the rest of the settings
2298 * are valid.
2299 */
2300 if (ia64_platform_is("sn2")) {
2301 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2302 if (IS_QLA23XX(ha))
2303 nv->special_options[1] = BIT_7;
2304 }
2305 #endif
2306
2307 /* Reset Initialization control block */
2308 memset(icb, 0, ha->init_cb_size);
2309
2310 /*
2311 * Setup driver NVRAM options.
2312 */
2313 nv->firmware_options[0] |= (BIT_6 | BIT_1);
2314 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2315 nv->firmware_options[1] |= (BIT_5 | BIT_0);
2316 nv->firmware_options[1] &= ~BIT_4;
2317
2318 if (IS_QLA23XX(ha)) {
2319 nv->firmware_options[0] |= BIT_2;
2320 nv->firmware_options[0] &= ~BIT_3;
2321 nv->firmware_options[0] &= ~BIT_6;
2322 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2323
2324 if (IS_QLA2300(ha)) {
2325 if (ha->fb_rev == FPM_2310) {
2326 strcpy(ha->model_number, "QLA2310");
2327 } else {
2328 strcpy(ha->model_number, "QLA2300");
2329 }
2330 } else {
2331 qla2x00_set_model_info(vha, nv->model_number,
2332 sizeof(nv->model_number), "QLA23xx");
2333 }
2334 } else if (IS_QLA2200(ha)) {
2335 nv->firmware_options[0] |= BIT_2;
2336 /*
2337 * 'Point-to-point preferred, else loop' is not a safe
2338 * connection mode setting.
2339 */
2340 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2341 (BIT_5 | BIT_4)) {
2342 /* Force 'loop preferred, else point-to-point'. */
2343 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2344 nv->add_firmware_options[0] |= BIT_5;
2345 }
2346 strcpy(ha->model_number, "QLA22xx");
2347 } else /*if (IS_QLA2100(ha))*/ {
2348 strcpy(ha->model_number, "QLA2100");
2349 }
2350
2351 /*
2352 * Copy over NVRAM RISC parameter block to initialization control block.
2353 */
2354 dptr1 = (uint8_t *)icb;
2355 dptr2 = (uint8_t *)&nv->parameter_block_version;
2356 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2357 while (cnt--)
2358 *dptr1++ = *dptr2++;
2359
2360 /* Copy 2nd half. */
2361 dptr1 = (uint8_t *)icb->add_firmware_options;
2362 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2363 while (cnt--)
2364 *dptr1++ = *dptr2++;
2365
2366 /* Use alternate WWN? */
2367 if (nv->host_p[1] & BIT_7) {
2368 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2369 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2370 }
2371
2372 /* Prepare nodename */
2373 if ((icb->firmware_options[1] & BIT_6) == 0) {
2374 /*
2375 * Firmware will apply the following mask if the nodename was
2376 * not provided.
2377 */
2378 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2379 icb->node_name[0] &= 0xF0;
2380 }
2381
2382 /*
2383 * Set host adapter parameters.
2384 */
2385
2386 /*
2387 * BIT_7 in the host-parameters section allows for modification to
2388 * internal driver logging.
2389 */
2390 if (nv->host_p[0] & BIT_7)
2391 ql2xextended_error_logging = 0x7fffffff;
2392 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2393 /* Always load RISC code on non ISP2[12]00 chips. */
2394 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2395 ha->flags.disable_risc_code_load = 0;
2396 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2397 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2398 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2399 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2400 ha->flags.disable_serdes = 0;
2401
2402 ha->operating_mode =
2403 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2404
2405 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2406 sizeof(ha->fw_seriallink_options));
2407
2408 /* save HBA serial number */
2409 ha->serial0 = icb->port_name[5];
2410 ha->serial1 = icb->port_name[6];
2411 ha->serial2 = icb->port_name[7];
2412 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2413 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2414
2415 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2416
2417 ha->retry_count = nv->retry_count;
2418
2419 /* Set minimum login_timeout to 4 seconds. */
2420 if (nv->login_timeout != ql2xlogintimeout)
2421 nv->login_timeout = ql2xlogintimeout;
2422 if (nv->login_timeout < 4)
2423 nv->login_timeout = 4;
2424 ha->login_timeout = nv->login_timeout;
2425 icb->login_timeout = nv->login_timeout;
2426
2427 /* Set minimum RATOV to 100 tenths of a second. */
2428 ha->r_a_tov = 100;
2429
2430 ha->loop_reset_delay = nv->reset_delay;
2431
2432 /* Link Down Timeout = 0:
2433 *
2434 * When Port Down timer expires we will start returning
2435 * I/O's to OS with "DID_NO_CONNECT".
2436 *
2437 * Link Down Timeout != 0:
2438 *
2439 * The driver waits for the link to come up after link down
2440 * before returning I/Os to OS with "DID_NO_CONNECT".
2441 */
2442 if (nv->link_down_timeout == 0) {
2443 ha->loop_down_abort_time =
2444 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2445 } else {
2446 ha->link_down_timeout = nv->link_down_timeout;
2447 ha->loop_down_abort_time =
2448 (LOOP_DOWN_TIME - ha->link_down_timeout);
2449 }
2450
2451 /*
2452 * Need enough time to try and get the port back.
2453 */
2454 ha->port_down_retry_count = nv->port_down_retry_count;
2455 if (qlport_down_retry)
2456 ha->port_down_retry_count = qlport_down_retry;
2457 /* Set login_retry_count */
2458 ha->login_retry_count = nv->retry_count;
2459 if (ha->port_down_retry_count == nv->port_down_retry_count &&
2460 ha->port_down_retry_count > 3)
2461 ha->login_retry_count = ha->port_down_retry_count;
2462 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2463 ha->login_retry_count = ha->port_down_retry_count;
2464 if (ql2xloginretrycount)
2465 ha->login_retry_count = ql2xloginretrycount;
2466
2467 icb->lun_enables = __constant_cpu_to_le16(0);
2468 icb->command_resource_count = 0;
2469 icb->immediate_notify_resource_count = 0;
2470 icb->timeout = __constant_cpu_to_le16(0);
2471
2472 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2473 /* Enable RIO */
2474 icb->firmware_options[0] &= ~BIT_3;
2475 icb->add_firmware_options[0] &=
2476 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2477 icb->add_firmware_options[0] |= BIT_2;
2478 icb->response_accumulation_timer = 3;
2479 icb->interrupt_delay_timer = 5;
2480
2481 vha->flags.process_response_queue = 1;
2482 } else {
2483 /* Enable ZIO. */
2484 if (!vha->flags.init_done) {
2485 ha->zio_mode = icb->add_firmware_options[0] &
2486 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2487 ha->zio_timer = icb->interrupt_delay_timer ?
2488 icb->interrupt_delay_timer: 2;
2489 }
2490 icb->add_firmware_options[0] &=
2491 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2492 vha->flags.process_response_queue = 0;
2493 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2494 ha->zio_mode = QLA_ZIO_MODE_6;
2495
2496 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2497 "delay (%d us).\n", vha->host_no, ha->zio_mode,
2498 ha->zio_timer * 100));
2499 qla_printk(KERN_INFO, ha,
2500 "ZIO mode %d enabled; timer delay (%d us).\n",
2501 ha->zio_mode, ha->zio_timer * 100);
2502
2503 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2504 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2505 vha->flags.process_response_queue = 1;
2506 }
2507 }
2508
2509 if (rval) {
2510 DEBUG2_3(printk(KERN_WARNING
2511 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2512 }
2513 return (rval);
2514 }
2515
2516 static void
2517 qla2x00_rport_del(void *data)
2518 {
2519 fc_port_t *fcport = data;
2520 struct fc_rport *rport;
2521 unsigned long flags;
2522
2523 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2524 rport = fcport->drport ? fcport->drport: fcport->rport;
2525 fcport->drport = NULL;
2526 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2527 if (rport)
2528 fc_remote_port_delete(rport);
2529 }
2530
2531 /**
2532 * qla2x00_alloc_fcport() - Allocate a generic fcport.
2533 * @ha: HA context
2534 * @flags: allocation flags
2535 *
2536 * Returns a pointer to the allocated fcport, or NULL, if none available.
2537 */
2538 fc_port_t *
2539 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2540 {
2541 fc_port_t *fcport;
2542
2543 fcport = kzalloc(sizeof(fc_port_t), flags);
2544 if (!fcport)
2545 return NULL;
2546
2547 /* Setup fcport template structure. */
2548 fcport->vha = vha;
2549 fcport->vp_idx = vha->vp_idx;
2550 fcport->port_type = FCT_UNKNOWN;
2551 fcport->loop_id = FC_NO_LOOP_ID;
2552 qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2553 fcport->supported_classes = FC_COS_UNSPECIFIED;
2554
2555 return fcport;
2556 }
2557
2558 /*
2559 * qla2x00_configure_loop
2560 * Updates Fibre Channel Device Database with what is actually on loop.
2561 *
2562 * Input:
2563 * ha = adapter block pointer.
2564 *
2565 * Returns:
2566 * 0 = success.
2567 * 1 = error.
2568 * 2 = database was full and device was not configured.
2569 */
2570 static int
2571 qla2x00_configure_loop(scsi_qla_host_t *vha)
2572 {
2573 int rval;
2574 unsigned long flags, save_flags;
2575 struct qla_hw_data *ha = vha->hw;
2576 rval = QLA_SUCCESS;
2577
2578 /* Get Initiator ID */
2579 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2580 rval = qla2x00_configure_hba(vha);
2581 if (rval != QLA_SUCCESS) {
2582 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2583 vha->host_no));
2584 return (rval);
2585 }
2586 }
2587
2588 save_flags = flags = vha->dpc_flags;
2589 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2590 vha->host_no, flags));
2591
2592 /*
2593 * If we have both an RSCN and PORT UPDATE pending then handle them
2594 * both at the same time.
2595 */
2596 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2597 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2598
2599 qla2x00_get_data_rate(vha);
2600
2601 /* Determine what we need to do */
2602 if (ha->current_topology == ISP_CFG_FL &&
2603 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2604
2605 vha->flags.rscn_queue_overflow = 1;
2606 set_bit(RSCN_UPDATE, &flags);
2607
2608 } else if (ha->current_topology == ISP_CFG_F &&
2609 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2610
2611 vha->flags.rscn_queue_overflow = 1;
2612 set_bit(RSCN_UPDATE, &flags);
2613 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2614
2615 } else if (ha->current_topology == ISP_CFG_N) {
2616 clear_bit(RSCN_UPDATE, &flags);
2617
2618 } else if (!vha->flags.online ||
2619 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2620
2621 vha->flags.rscn_queue_overflow = 1;
2622 set_bit(RSCN_UPDATE, &flags);
2623 set_bit(LOCAL_LOOP_UPDATE, &flags);
2624 }
2625
2626 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2627 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2628 rval = QLA_FUNCTION_FAILED;
2629 else
2630 rval = qla2x00_configure_local_loop(vha);
2631 }
2632
2633 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2634 if (LOOP_TRANSITION(vha))
2635 rval = QLA_FUNCTION_FAILED;
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
2647 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2648 }
2649 }
2650
2651 if (rval) {
2652 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2653 __func__, vha->host_no));
2654 } else {
2655 DEBUG3(printk("%s: exiting normally\n", __func__));
2656 }
2657
2658 /* Restore state if a resync event occurred during processing */
2659 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2660 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2661 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2662 if (test_bit(RSCN_UPDATE, &save_flags)) {
2663 set_bit(RSCN_UPDATE, &vha->dpc_flags);
2664 if (!IS_ALOGIO_CAPABLE(ha))
2665 vha->flags.rscn_queue_overflow = 1;
2666 }
2667 }
2668
2669 return (rval);
2670 }
2671
2672
2673
2674 /*
2675 * qla2x00_configure_local_loop
2676 * Updates Fibre Channel Device Database with local loop devices.
2677 *
2678 * Input:
2679 * ha = adapter block pointer.
2680 *
2681 * Returns:
2682 * 0 = success.
2683 */
2684 static int
2685 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2686 {
2687 int rval, rval2;
2688 int found_devs;
2689 int found;
2690 fc_port_t *fcport, *new_fcport;
2691
2692 uint16_t index;
2693 uint16_t entries;
2694 char *id_iter;
2695 uint16_t loop_id;
2696 uint8_t domain, area, al_pa;
2697 struct qla_hw_data *ha = vha->hw;
2698
2699 found_devs = 0;
2700 new_fcport = NULL;
2701 entries = MAX_FIBRE_DEVICES;
2702
2703 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2704 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2705
2706 /* Get list of logged in devices. */
2707 memset(ha->gid_list, 0, GID_LIST_SIZE);
2708 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2709 &entries);
2710 if (rval != QLA_SUCCESS)
2711 goto cleanup_allocation;
2712
2713 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2714 vha->host_no, entries));
2715 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2716 entries * sizeof(struct gid_list_info)));
2717
2718 /* Allocate temporary fcport for any new fcports discovered. */
2719 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2720 if (new_fcport == NULL) {
2721 rval = QLA_MEMORY_ALLOC_FAILED;
2722 goto cleanup_allocation;
2723 }
2724 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2725
2726 /*
2727 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2728 */
2729 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2730 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2731 fcport->port_type != FCT_BROADCAST &&
2732 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2733
2734 DEBUG(printk("scsi(%ld): Marking port lost, "
2735 "loop_id=0x%04x\n",
2736 vha->host_no, fcport->loop_id));
2737
2738 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2739 }
2740 }
2741
2742 /* Add devices to port list. */
2743 id_iter = (char *)ha->gid_list;
2744 for (index = 0; index < entries; index++) {
2745 domain = ((struct gid_list_info *)id_iter)->domain;
2746 area = ((struct gid_list_info *)id_iter)->area;
2747 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2748 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2749 loop_id = (uint16_t)
2750 ((struct gid_list_info *)id_iter)->loop_id_2100;
2751 else
2752 loop_id = le16_to_cpu(
2753 ((struct gid_list_info *)id_iter)->loop_id);
2754 id_iter += ha->gid_list_info_size;
2755
2756 /* Bypass reserved domain fields. */
2757 if ((domain & 0xf0) == 0xf0)
2758 continue;
2759
2760 /* Bypass if not same domain and area of adapter. */
2761 if (area && domain &&
2762 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2763 continue;
2764
2765 /* Bypass invalid local loop ID. */
2766 if (loop_id > LAST_LOCAL_LOOP_ID)
2767 continue;
2768
2769 /* Fill in member data. */
2770 new_fcport->d_id.b.domain = domain;
2771 new_fcport->d_id.b.area = area;
2772 new_fcport->d_id.b.al_pa = al_pa;
2773 new_fcport->loop_id = loop_id;
2774 new_fcport->vp_idx = vha->vp_idx;
2775 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2776 if (rval2 != QLA_SUCCESS) {
2777 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2778 "information -- get_port_database=%x, "
2779 "loop_id=0x%04x\n",
2780 vha->host_no, rval2, new_fcport->loop_id));
2781 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2782 vha->host_no));
2783 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2784 continue;
2785 }
2786
2787 /* Check for matching device in port list. */
2788 found = 0;
2789 fcport = NULL;
2790 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2791 if (memcmp(new_fcport->port_name, fcport->port_name,
2792 WWN_SIZE))
2793 continue;
2794
2795 fcport->flags &= ~FCF_FABRIC_DEVICE;
2796 fcport->loop_id = new_fcport->loop_id;
2797 fcport->port_type = new_fcport->port_type;
2798 fcport->d_id.b24 = new_fcport->d_id.b24;
2799 memcpy(fcport->node_name, new_fcport->node_name,
2800 WWN_SIZE);
2801
2802 found++;
2803 break;
2804 }
2805
2806 if (!found) {
2807 /* New device, add to fcports list. */
2808 if (vha->vp_idx) {
2809 new_fcport->vha = vha;
2810 new_fcport->vp_idx = vha->vp_idx;
2811 }
2812 list_add_tail(&new_fcport->list, &vha->vp_fcports);
2813
2814 /* Allocate a new replacement fcport. */
2815 fcport = new_fcport;
2816 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2817 if (new_fcport == NULL) {
2818 rval = QLA_MEMORY_ALLOC_FAILED;
2819 goto cleanup_allocation;
2820 }
2821 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2822 }
2823
2824 /* Base iIDMA settings on HBA port speed. */
2825 fcport->fp_speed = ha->link_data_rate;
2826
2827 qla2x00_update_fcport(vha, fcport);
2828
2829 found_devs++;
2830 }
2831
2832 cleanup_allocation:
2833 kfree(new_fcport);
2834
2835 if (rval != QLA_SUCCESS) {
2836 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2837 "rval=%x\n", vha->host_no, rval));
2838 }
2839
2840 return (rval);
2841 }
2842
2843 static void
2844 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2845 {
2846 #define LS_UNKNOWN 2
2847 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2848 char *link_speed;
2849 int rval;
2850 uint16_t mb[4];
2851 struct qla_hw_data *ha = vha->hw;
2852
2853 if (!IS_IIDMA_CAPABLE(ha))
2854 return;
2855
2856 if (atomic_read(&fcport->state) != FCS_ONLINE)
2857 return;
2858
2859 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2860 fcport->fp_speed > ha->link_data_rate)
2861 return;
2862
2863 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2864 mb);
2865 if (rval != QLA_SUCCESS) {
2866 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2867 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2868 vha->host_no, fcport->port_name[0], fcport->port_name[1],
2869 fcport->port_name[2], fcport->port_name[3],
2870 fcport->port_name[4], fcport->port_name[5],
2871 fcport->port_name[6], fcport->port_name[7], rval,
2872 fcport->fp_speed, mb[0], mb[1]));
2873 } else {
2874 link_speed = link_speeds[LS_UNKNOWN];
2875 if (fcport->fp_speed < 5)
2876 link_speed = link_speeds[fcport->fp_speed];
2877 else if (fcport->fp_speed == 0x13)
2878 link_speed = link_speeds[5];
2879 DEBUG2(qla_printk(KERN_INFO, ha,
2880 "iIDMA adjusted to %s GB/s on "
2881 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2882 link_speed, fcport->port_name[0],
2883 fcport->port_name[1], fcport->port_name[2],
2884 fcport->port_name[3], fcport->port_name[4],
2885 fcport->port_name[5], fcport->port_name[6],
2886 fcport->port_name[7]));
2887 }
2888 }
2889
2890 static void
2891 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2892 {
2893 struct fc_rport_identifiers rport_ids;
2894 struct fc_rport *rport;
2895 struct qla_hw_data *ha = vha->hw;
2896 unsigned long flags;
2897
2898 qla2x00_rport_del(fcport);
2899
2900 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2901 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2902 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2903 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2904 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2905 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2906 if (!rport) {
2907 qla_printk(KERN_WARNING, ha,
2908 "Unable to allocate fc remote port!\n");
2909 return;
2910 }
2911 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2912 *((fc_port_t **)rport->dd_data) = fcport;
2913 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2914
2915 rport->supported_classes = fcport->supported_classes;
2916
2917 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2918 if (fcport->port_type == FCT_INITIATOR)
2919 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2920 if (fcport->port_type == FCT_TARGET)
2921 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2922 fc_remote_port_rolechg(rport, rport_ids.roles);
2923 }
2924
2925 /*
2926 * qla2x00_update_fcport
2927 * Updates device on list.
2928 *
2929 * Input:
2930 * ha = adapter block pointer.
2931 * fcport = port structure pointer.
2932 *
2933 * Return:
2934 * 0 - Success
2935 * BIT_0 - error
2936 *
2937 * Context:
2938 * Kernel context.
2939 */
2940 void
2941 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2942 {
2943 fcport->vha = vha;
2944 fcport->login_retry = 0;
2945 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2946
2947 qla2x00_iidma_fcport(vha, fcport);
2948 qla24xx_update_fcport_fcp_prio(vha, fcport);
2949 qla2x00_reg_remote_port(vha, fcport);
2950 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
2951 }
2952
2953 /*
2954 * qla2x00_configure_fabric
2955 * Setup SNS devices with loop ID's.
2956 *
2957 * Input:
2958 * ha = adapter block pointer.
2959 *
2960 * Returns:
2961 * 0 = success.
2962 * BIT_0 = error
2963 */
2964 static int
2965 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2966 {
2967 int rval, rval2;
2968 fc_port_t *fcport, *fcptemp;
2969 uint16_t next_loopid;
2970 uint16_t mb[MAILBOX_REGISTER_COUNT];
2971 uint16_t loop_id;
2972 LIST_HEAD(new_fcports);
2973 struct qla_hw_data *ha = vha->hw;
2974 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2975
2976 /* If FL port exists, then SNS is present */
2977 if (IS_FWI2_CAPABLE(ha))
2978 loop_id = NPH_F_PORT;
2979 else
2980 loop_id = SNS_FL_PORT;
2981 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2982 if (rval != QLA_SUCCESS) {
2983 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2984 "Port\n", vha->host_no));
2985
2986 vha->device_flags &= ~SWITCH_FOUND;
2987 return (QLA_SUCCESS);
2988 }
2989 vha->device_flags |= SWITCH_FOUND;
2990
2991 /* Mark devices that need re-synchronization. */
2992 rval2 = qla2x00_device_resync(vha);
2993 if (rval2 == QLA_RSCNS_HANDLED) {
2994 /* No point doing the scan, just continue. */
2995 return (QLA_SUCCESS);
2996 }
2997 do {
2998 /* FDMI support. */
2999 if (ql2xfdmienable &&
3000 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3001 qla2x00_fdmi_register(vha);
3002
3003 /* Ensure we are logged into the SNS. */
3004 if (IS_FWI2_CAPABLE(ha))
3005 loop_id = NPH_SNS;
3006 else
3007 loop_id = SIMPLE_NAME_SERVER;
3008 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3009 0xfc, mb, BIT_1 | BIT_0);
3010 if (mb[0] != MBS_COMMAND_COMPLETE) {
3011 DEBUG2(qla_printk(KERN_INFO, ha,
3012 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
3013 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
3014 mb[0], mb[1], mb[2], mb[6], mb[7]));
3015 return (QLA_SUCCESS);
3016 }
3017
3018 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3019 if (qla2x00_rft_id(vha)) {
3020 /* EMPTY */
3021 DEBUG2(printk("scsi(%ld): Register FC-4 "
3022 "TYPE failed.\n", vha->host_no));
3023 }
3024 if (qla2x00_rff_id(vha)) {
3025 /* EMPTY */
3026 DEBUG2(printk("scsi(%ld): Register FC-4 "
3027 "Features failed.\n", vha->host_no));
3028 }
3029 if (qla2x00_rnn_id(vha)) {
3030 /* EMPTY */
3031 DEBUG2(printk("scsi(%ld): Register Node Name "
3032 "failed.\n", vha->host_no));
3033 } else if (qla2x00_rsnn_nn(vha)) {
3034 /* EMPTY */
3035 DEBUG2(printk("scsi(%ld): Register Symbolic "
3036 "Node Name failed.\n", vha->host_no));
3037 }
3038 }
3039
3040 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3041 if (rval != QLA_SUCCESS)
3042 break;
3043
3044 /*
3045 * Logout all previous fabric devices marked lost, except
3046 * FCP2 devices.
3047 */
3048 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3049 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3050 break;
3051
3052 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3053 continue;
3054
3055 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3056 qla2x00_mark_device_lost(vha, fcport,
3057 ql2xplogiabsentdevice, 0);
3058 if (fcport->loop_id != FC_NO_LOOP_ID &&
3059 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3060 fcport->port_type != FCT_INITIATOR &&
3061 fcport->port_type != FCT_BROADCAST) {
3062 ha->isp_ops->fabric_logout(vha,
3063 fcport->loop_id,
3064 fcport->d_id.b.domain,
3065 fcport->d_id.b.area,
3066 fcport->d_id.b.al_pa);
3067 fcport->loop_id = FC_NO_LOOP_ID;
3068 }
3069 }
3070 }
3071
3072 /* Starting free loop ID. */
3073 next_loopid = ha->min_external_loopid;
3074
3075 /*
3076 * Scan through our port list and login entries that need to be
3077 * logged in.
3078 */
3079 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3080 if (atomic_read(&vha->loop_down_timer) ||
3081 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3082 break;
3083
3084 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3085 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3086 continue;
3087
3088 if (fcport->loop_id == FC_NO_LOOP_ID) {
3089 fcport->loop_id = next_loopid;
3090 rval = qla2x00_find_new_loop_id(
3091 base_vha, fcport);
3092 if (rval != QLA_SUCCESS) {
3093 /* Ran out of IDs to use */
3094 break;
3095 }
3096 }
3097 /* Login and update database */
3098 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3099 }
3100
3101 /* Exit if out of loop IDs. */
3102 if (rval != QLA_SUCCESS) {
3103 break;
3104 }
3105
3106 /*
3107 * Login and add the new devices to our port list.
3108 */
3109 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3110 if (atomic_read(&vha->loop_down_timer) ||
3111 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3112 break;
3113
3114 /* Find a new loop ID to use. */
3115 fcport->loop_id = next_loopid;
3116 rval = qla2x00_find_new_loop_id(base_vha, fcport);
3117 if (rval != QLA_SUCCESS) {
3118 /* Ran out of IDs to use */
3119 break;
3120 }
3121
3122 /* Login and update database */
3123 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3124
3125 if (vha->vp_idx) {
3126 fcport->vha = vha;
3127 fcport->vp_idx = vha->vp_idx;
3128 }
3129 list_move_tail(&fcport->list, &vha->vp_fcports);
3130 }
3131 } while (0);
3132
3133 /* Free all new device structures not processed. */
3134 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3135 list_del(&fcport->list);
3136 kfree(fcport);
3137 }
3138
3139 if (rval) {
3140 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
3141 "rval=%d\n", vha->host_no, rval));
3142 }
3143
3144 return (rval);
3145 }
3146
3147 /*
3148 * qla2x00_find_all_fabric_devs
3149 *
3150 * Input:
3151 * ha = adapter block pointer.
3152 * dev = database device entry pointer.
3153 *
3154 * Returns:
3155 * 0 = success.
3156 *
3157 * Context:
3158 * Kernel context.
3159 */
3160 static int
3161 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3162 struct list_head *new_fcports)
3163 {
3164 int rval;
3165 uint16_t loop_id;
3166 fc_port_t *fcport, *new_fcport, *fcptemp;
3167 int found;
3168
3169 sw_info_t *swl;
3170 int swl_idx;
3171 int first_dev, last_dev;
3172 port_id_t wrap = {}, nxt_d_id;
3173 struct qla_hw_data *ha = vha->hw;
3174 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3175 struct scsi_qla_host *tvp;
3176
3177 rval = QLA_SUCCESS;
3178
3179 /* Try GID_PT to get device list, else GAN. */
3180 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
3181 if (!swl) {
3182 /*EMPTY*/
3183 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
3184 "on GA_NXT\n", vha->host_no));
3185 } else {
3186 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3187 kfree(swl);
3188 swl = NULL;
3189 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3190 kfree(swl);
3191 swl = NULL;
3192 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3193 kfree(swl);
3194 swl = NULL;
3195 } else if (ql2xiidmaenable &&
3196 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3197 qla2x00_gpsc(vha, swl);
3198 }
3199
3200 /* If other queries succeeded probe for FC-4 type */
3201 if (swl)
3202 qla2x00_gff_id(vha, swl);
3203 }
3204 swl_idx = 0;
3205
3206 /* Allocate temporary fcport for any new fcports discovered. */
3207 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3208 if (new_fcport == NULL) {
3209 kfree(swl);
3210 return (QLA_MEMORY_ALLOC_FAILED);
3211 }
3212 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3213 /* Set start port ID scan at adapter ID. */
3214 first_dev = 1;
3215 last_dev = 0;
3216
3217 /* Starting free loop ID. */
3218 loop_id = ha->min_external_loopid;
3219 for (; loop_id <= ha->max_loop_id; loop_id++) {
3220 if (qla2x00_is_reserved_id(vha, loop_id))
3221 continue;
3222
3223 if (ha->current_topology == ISP_CFG_FL &&
3224 (atomic_read(&vha->loop_down_timer) ||
3225 LOOP_TRANSITION(vha))) {
3226 atomic_set(&vha->loop_down_timer, 0);
3227 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3228 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3229 break;
3230 }
3231
3232 if (swl != NULL) {
3233 if (last_dev) {
3234 wrap.b24 = new_fcport->d_id.b24;
3235 } else {
3236 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3237 memcpy(new_fcport->node_name,
3238 swl[swl_idx].node_name, WWN_SIZE);
3239 memcpy(new_fcport->port_name,
3240 swl[swl_idx].port_name, WWN_SIZE);
3241 memcpy(new_fcport->fabric_port_name,
3242 swl[swl_idx].fabric_port_name, WWN_SIZE);
3243 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3244 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3245
3246 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3247 last_dev = 1;
3248 }
3249 swl_idx++;
3250 }
3251 } else {
3252 /* Send GA_NXT to the switch */
3253 rval = qla2x00_ga_nxt(vha, new_fcport);
3254 if (rval != QLA_SUCCESS) {
3255 qla_printk(KERN_WARNING, ha,
3256 "SNS scan failed -- assuming zero-entry "
3257 "result...\n");
3258 list_for_each_entry_safe(fcport, fcptemp,
3259 new_fcports, list) {
3260 list_del(&fcport->list);
3261 kfree(fcport);
3262 }
3263 rval = QLA_SUCCESS;
3264 break;
3265 }
3266 }
3267
3268 /* If wrap on switch device list, exit. */
3269 if (first_dev) {
3270 wrap.b24 = new_fcport->d_id.b24;
3271 first_dev = 0;
3272 } else if (new_fcport->d_id.b24 == wrap.b24) {
3273 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
3274 vha->host_no, new_fcport->d_id.b.domain,
3275 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
3276 break;
3277 }
3278
3279 /* Bypass if same physical adapter. */
3280 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3281 continue;
3282
3283 /* Bypass virtual ports of the same host. */
3284 found = 0;
3285 if (ha->num_vhosts) {
3286 unsigned long flags;
3287
3288 spin_lock_irqsave(&ha->vport_slock, flags);
3289 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3290 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3291 found = 1;
3292 break;
3293 }
3294 }
3295 spin_unlock_irqrestore(&ha->vport_slock, flags);
3296
3297 if (found)
3298 continue;
3299 }
3300
3301 /* Bypass if same domain and area of adapter. */
3302 if (((new_fcport->d_id.b24 & 0xffff00) ==
3303 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3304 ISP_CFG_FL)
3305 continue;
3306
3307 /* Bypass reserved domain fields. */
3308 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3309 continue;
3310
3311 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3312 if (ql2xgffidenable &&
3313 (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3314 new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3315 continue;
3316
3317 /* Locate matching device in database. */
3318 found = 0;
3319 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3320 if (memcmp(new_fcport->port_name, fcport->port_name,
3321 WWN_SIZE))
3322 continue;
3323
3324 found++;
3325
3326 /* Update port state. */
3327 memcpy(fcport->fabric_port_name,
3328 new_fcport->fabric_port_name, WWN_SIZE);
3329 fcport->fp_speed = new_fcport->fp_speed;
3330
3331 /*
3332 * If address the same and state FCS_ONLINE, nothing
3333 * changed.
3334 */
3335 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3336 atomic_read(&fcport->state) == FCS_ONLINE) {
3337 break;
3338 }
3339
3340 /*
3341 * If device was not a fabric device before.
3342 */
3343 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3344 fcport->d_id.b24 = new_fcport->d_id.b24;
3345 fcport->loop_id = FC_NO_LOOP_ID;
3346 fcport->flags |= (FCF_FABRIC_DEVICE |
3347 FCF_LOGIN_NEEDED);
3348 break;
3349 }
3350
3351 /*
3352 * Port ID changed or device was marked to be updated;
3353 * Log it out if still logged in and mark it for
3354 * relogin later.
3355 */
3356 fcport->d_id.b24 = new_fcport->d_id.b24;
3357 fcport->flags |= FCF_LOGIN_NEEDED;
3358 if (fcport->loop_id != FC_NO_LOOP_ID &&
3359 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3360 fcport->port_type != FCT_INITIATOR &&
3361 fcport->port_type != FCT_BROADCAST) {
3362 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3363 fcport->d_id.b.domain, fcport->d_id.b.area,
3364 fcport->d_id.b.al_pa);
3365 fcport->loop_id = FC_NO_LOOP_ID;
3366 }
3367
3368 break;
3369 }
3370
3371 if (found)
3372 continue;
3373 /* If device was not in our fcports list, then add it. */
3374 list_add_tail(&new_fcport->list, new_fcports);
3375
3376 /* Allocate a new replacement fcport. */
3377 nxt_d_id.b24 = new_fcport->d_id.b24;
3378 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3379 if (new_fcport == NULL) {
3380 kfree(swl);
3381 return (QLA_MEMORY_ALLOC_FAILED);
3382 }
3383 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3384 new_fcport->d_id.b24 = nxt_d_id.b24;
3385 }
3386
3387 kfree(swl);
3388 kfree(new_fcport);
3389
3390 return (rval);
3391 }
3392
3393 /*
3394 * qla2x00_find_new_loop_id
3395 * Scan through our port list and find a new usable loop ID.
3396 *
3397 * Input:
3398 * ha: adapter state pointer.
3399 * dev: port structure pointer.
3400 *
3401 * Returns:
3402 * qla2x00 local function return status code.
3403 *
3404 * Context:
3405 * Kernel context.
3406 */
3407 int
3408 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3409 {
3410 int rval;
3411 int found;
3412 fc_port_t *fcport;
3413 uint16_t first_loop_id;
3414 struct qla_hw_data *ha = vha->hw;
3415 struct scsi_qla_host *vp;
3416 struct scsi_qla_host *tvp;
3417 unsigned long flags = 0;
3418
3419 rval = QLA_SUCCESS;
3420
3421 /* Save starting loop ID. */
3422 first_loop_id = dev->loop_id;
3423
3424 for (;;) {
3425 /* Skip loop ID if already used by adapter. */
3426 if (dev->loop_id == vha->loop_id)
3427 dev->loop_id++;
3428
3429 /* Skip reserved loop IDs. */
3430 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3431 dev->loop_id++;
3432
3433 /* Reset loop ID if passed the end. */
3434 if (dev->loop_id > ha->max_loop_id) {
3435 /* first loop ID. */
3436 dev->loop_id = ha->min_external_loopid;
3437 }
3438
3439 /* Check for loop ID being already in use. */
3440 found = 0;
3441 fcport = NULL;
3442
3443 spin_lock_irqsave(&ha->vport_slock, flags);
3444 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3445 list_for_each_entry(fcport, &vp->vp_fcports, list) {
3446 if (fcport->loop_id == dev->loop_id &&
3447 fcport != dev) {
3448 /* ID possibly in use */
3449 found++;
3450 break;
3451 }
3452 }
3453 if (found)
3454 break;
3455 }
3456 spin_unlock_irqrestore(&ha->vport_slock, flags);
3457
3458 /* If not in use then it is free to use. */
3459 if (!found) {
3460 break;
3461 }
3462
3463 /* ID in use. Try next value. */
3464 dev->loop_id++;
3465
3466 /* If wrap around. No free ID to use. */
3467 if (dev->loop_id == first_loop_id) {
3468 dev->loop_id = FC_NO_LOOP_ID;
3469 rval = QLA_FUNCTION_FAILED;
3470 break;
3471 }
3472 }
3473
3474 return (rval);
3475 }
3476
3477 /*
3478 * qla2x00_device_resync
3479 * Marks devices in the database that needs resynchronization.
3480 *
3481 * Input:
3482 * ha = adapter block pointer.
3483 *
3484 * Context:
3485 * Kernel context.
3486 */
3487 static int
3488 qla2x00_device_resync(scsi_qla_host_t *vha)
3489 {
3490 int rval;
3491 uint32_t mask;
3492 fc_port_t *fcport;
3493 uint32_t rscn_entry;
3494 uint8_t rscn_out_iter;
3495 uint8_t format;
3496 port_id_t d_id = {};
3497
3498 rval = QLA_RSCNS_HANDLED;
3499
3500 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3501 vha->flags.rscn_queue_overflow) {
3502
3503 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3504 format = MSB(MSW(rscn_entry));
3505 d_id.b.domain = LSB(MSW(rscn_entry));
3506 d_id.b.area = MSB(LSW(rscn_entry));
3507 d_id.b.al_pa = LSB(LSW(rscn_entry));
3508
3509 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3510 "[%02x/%02x%02x%02x].\n",
3511 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3512 d_id.b.area, d_id.b.al_pa));
3513
3514 vha->rscn_out_ptr++;
3515 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3516 vha->rscn_out_ptr = 0;
3517
3518 /* Skip duplicate entries. */
3519 for (rscn_out_iter = vha->rscn_out_ptr;
3520 !vha->flags.rscn_queue_overflow &&
3521 rscn_out_iter != vha->rscn_in_ptr;
3522 rscn_out_iter = (rscn_out_iter ==
3523 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3524
3525 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3526 break;
3527
3528 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3529 "entry found at [%d].\n", vha->host_no,
3530 rscn_out_iter));
3531
3532 vha->rscn_out_ptr = rscn_out_iter;
3533 }
3534
3535 /* Queue overflow, set switch default case. */
3536 if (vha->flags.rscn_queue_overflow) {
3537 DEBUG(printk("scsi(%ld): device_resync: rscn "
3538 "overflow.\n", vha->host_no));
3539
3540 format = 3;
3541 vha->flags.rscn_queue_overflow = 0;
3542 }
3543
3544 switch (format) {
3545 case 0:
3546 mask = 0xffffff;
3547 break;
3548 case 1:
3549 mask = 0xffff00;
3550 break;
3551 case 2:
3552 mask = 0xff0000;
3553 break;
3554 default:
3555 mask = 0x0;
3556 d_id.b24 = 0;
3557 vha->rscn_out_ptr = vha->rscn_in_ptr;
3558 break;
3559 }
3560
3561 rval = QLA_SUCCESS;
3562
3563 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3564 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3565 (fcport->d_id.b24 & mask) != d_id.b24 ||
3566 fcport->port_type == FCT_BROADCAST)
3567 continue;
3568
3569 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3570 if (format != 3 ||
3571 fcport->port_type != FCT_INITIATOR) {
3572 qla2x00_mark_device_lost(vha, fcport,
3573 0, 0);
3574 }
3575 }
3576 }
3577 }
3578 return (rval);
3579 }
3580
3581 /*
3582 * qla2x00_fabric_dev_login
3583 * Login fabric target device and update FC port database.
3584 *
3585 * Input:
3586 * ha: adapter state pointer.
3587 * fcport: port structure list pointer.
3588 * next_loopid: contains value of a new loop ID that can be used
3589 * by the next login attempt.
3590 *
3591 * Returns:
3592 * qla2x00 local function return status code.
3593 *
3594 * Context:
3595 * Kernel context.
3596 */
3597 static int
3598 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3599 uint16_t *next_loopid)
3600 {
3601 int rval;
3602 int retry;
3603 uint8_t opts;
3604 struct qla_hw_data *ha = vha->hw;
3605
3606 rval = QLA_SUCCESS;
3607 retry = 0;
3608
3609 if (IS_ALOGIO_CAPABLE(ha)) {
3610 if (fcport->flags & FCF_ASYNC_SENT)
3611 return rval;
3612 fcport->flags |= FCF_ASYNC_SENT;
3613 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3614 if (!rval)
3615 return rval;
3616 }
3617
3618 fcport->flags &= ~FCF_ASYNC_SENT;
3619 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3620 if (rval == QLA_SUCCESS) {
3621 /* Send an ADISC to FCP2 devices.*/
3622 opts = 0;
3623 if (fcport->flags & FCF_FCP2_DEVICE)
3624 opts |= BIT_1;
3625 rval = qla2x00_get_port_database(vha, fcport, opts);
3626 if (rval != QLA_SUCCESS) {
3627 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3628 fcport->d_id.b.domain, fcport->d_id.b.area,
3629 fcport->d_id.b.al_pa);
3630 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3631 } else {
3632 qla2x00_update_fcport(vha, fcport);
3633 }
3634 }
3635
3636 return (rval);
3637 }
3638
3639 /*
3640 * qla2x00_fabric_login
3641 * Issue fabric login command.
3642 *
3643 * Input:
3644 * ha = adapter block pointer.
3645 * device = pointer to FC device type structure.
3646 *
3647 * Returns:
3648 * 0 - Login successfully
3649 * 1 - Login failed
3650 * 2 - Initiator device
3651 * 3 - Fatal error
3652 */
3653 int
3654 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3655 uint16_t *next_loopid)
3656 {
3657 int rval;
3658 int retry;
3659 uint16_t tmp_loopid;
3660 uint16_t mb[MAILBOX_REGISTER_COUNT];
3661 struct qla_hw_data *ha = vha->hw;
3662
3663 retry = 0;
3664 tmp_loopid = 0;
3665
3666 for (;;) {
3667 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3668 "for port %02x%02x%02x.\n",
3669 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3670 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3671
3672 /* Login fcport on switch. */
3673 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3674 fcport->d_id.b.domain, fcport->d_id.b.area,
3675 fcport->d_id.b.al_pa, mb, BIT_0);
3676 if (mb[0] == MBS_PORT_ID_USED) {
3677 /*
3678 * Device has another loop ID. The firmware team
3679 * recommends the driver perform an implicit login with
3680 * the specified ID again. The ID we just used is save
3681 * here so we return with an ID that can be tried by
3682 * the next login.
3683 */
3684 retry++;
3685 tmp_loopid = fcport->loop_id;
3686 fcport->loop_id = mb[1];
3687
3688 DEBUG(printk("Fabric Login: port in use - next "
3689 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3690 fcport->loop_id, fcport->d_id.b.domain,
3691 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3692
3693 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3694 /*
3695 * Login succeeded.
3696 */
3697 if (retry) {
3698 /* A retry occurred before. */
3699 *next_loopid = tmp_loopid;
3700 } else {
3701 /*
3702 * No retry occurred before. Just increment the
3703 * ID value for next login.
3704 */
3705 *next_loopid = (fcport->loop_id + 1);
3706 }
3707
3708 if (mb[1] & BIT_0) {
3709 fcport->port_type = FCT_INITIATOR;
3710 } else {
3711 fcport->port_type = FCT_TARGET;
3712 if (mb[1] & BIT_1) {
3713 fcport->flags |= FCF_FCP2_DEVICE;
3714 }
3715 }
3716
3717 if (mb[10] & BIT_0)
3718 fcport->supported_classes |= FC_COS_CLASS2;
3719 if (mb[10] & BIT_1)
3720 fcport->supported_classes |= FC_COS_CLASS3;
3721
3722 rval = QLA_SUCCESS;
3723 break;
3724 } else if (mb[0] == MBS_LOOP_ID_USED) {
3725 /*
3726 * Loop ID already used, try next loop ID.
3727 */
3728 fcport->loop_id++;
3729 rval = qla2x00_find_new_loop_id(vha, fcport);
3730 if (rval != QLA_SUCCESS) {
3731 /* Ran out of loop IDs to use */
3732 break;
3733 }
3734 } else if (mb[0] == MBS_COMMAND_ERROR) {
3735 /*
3736 * Firmware possibly timed out during login. If NO
3737 * retries are left to do then the device is declared
3738 * dead.
3739 */
3740 *next_loopid = fcport->loop_id;
3741 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3742 fcport->d_id.b.domain, fcport->d_id.b.area,
3743 fcport->d_id.b.al_pa);
3744 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3745
3746 rval = 1;
3747 break;
3748 } else {
3749 /*
3750 * unrecoverable / not handled error
3751 */
3752 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3753 "loop_id=%x jiffies=%lx.\n",
3754 __func__, vha->host_no, mb[0],
3755 fcport->d_id.b.domain, fcport->d_id.b.area,
3756 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3757
3758 *next_loopid = fcport->loop_id;
3759 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3760 fcport->d_id.b.domain, fcport->d_id.b.area,
3761 fcport->d_id.b.al_pa);
3762 fcport->loop_id = FC_NO_LOOP_ID;
3763 fcport->login_retry = 0;
3764
3765 rval = 3;
3766 break;
3767 }
3768 }
3769
3770 return (rval);
3771 }
3772
3773 /*
3774 * qla2x00_local_device_login
3775 * Issue local device login command.
3776 *
3777 * Input:
3778 * ha = adapter block pointer.
3779 * loop_id = loop id of device to login to.
3780 *
3781 * Returns (Where's the #define!!!!):
3782 * 0 - Login successfully
3783 * 1 - Login failed
3784 * 3 - Fatal error
3785 */
3786 int
3787 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3788 {
3789 int rval;
3790 uint16_t mb[MAILBOX_REGISTER_COUNT];
3791
3792 memset(mb, 0, sizeof(mb));
3793 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3794 if (rval == QLA_SUCCESS) {
3795 /* Interrogate mailbox registers for any errors */
3796 if (mb[0] == MBS_COMMAND_ERROR)
3797 rval = 1;
3798 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3799 /* device not in PCB table */
3800 rval = 3;
3801 }
3802
3803 return (rval);
3804 }
3805
3806 /*
3807 * qla2x00_loop_resync
3808 * Resync with fibre channel devices.
3809 *
3810 * Input:
3811 * ha = adapter block pointer.
3812 *
3813 * Returns:
3814 * 0 = success
3815 */
3816 int
3817 qla2x00_loop_resync(scsi_qla_host_t *vha)
3818 {
3819 int rval = QLA_SUCCESS;
3820 uint32_t wait_time;
3821 struct req_que *req;
3822 struct rsp_que *rsp;
3823
3824 if (vha->hw->flags.cpu_affinity_enabled)
3825 req = vha->hw->req_q_map[0];
3826 else
3827 req = vha->req;
3828 rsp = req->rsp;
3829
3830 atomic_set(&vha->loop_state, LOOP_UPDATE);
3831 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3832 if (vha->flags.online) {
3833 if (!(rval = qla2x00_fw_ready(vha))) {
3834 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3835 wait_time = 256;
3836 do {
3837 atomic_set(&vha->loop_state, LOOP_UPDATE);
3838
3839 /* Issue a marker after FW becomes ready. */
3840 qla2x00_marker(vha, req, rsp, 0, 0,
3841 MK_SYNC_ALL);
3842 vha->marker_needed = 0;
3843
3844 /* Remap devices on Loop. */
3845 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3846
3847 qla2x00_configure_loop(vha);
3848 wait_time--;
3849 } while (!atomic_read(&vha->loop_down_timer) &&
3850 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3851 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3852 &vha->dpc_flags)));
3853 }
3854 }
3855
3856 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3857 return (QLA_FUNCTION_FAILED);
3858
3859 if (rval)
3860 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3861
3862 return (rval);
3863 }
3864
3865 /*
3866 * qla2x00_perform_loop_resync
3867 * Description: This function will set the appropriate flags and call
3868 * qla2x00_loop_resync. If successful loop will be resynced
3869 * Arguments : scsi_qla_host_t pointer
3870 * returm : Success or Failure
3871 */
3872
3873 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3874 {
3875 int32_t rval = 0;
3876
3877 if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3878 /*Configure the flags so that resync happens properly*/
3879 atomic_set(&ha->loop_down_timer, 0);
3880 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3881 atomic_set(&ha->loop_state, LOOP_UP);
3882 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3883 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3884 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3885
3886 rval = qla2x00_loop_resync(ha);
3887 } else
3888 atomic_set(&ha->loop_state, LOOP_DEAD);
3889
3890 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3891 }
3892
3893 return rval;
3894 }
3895
3896 void
3897 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3898 {
3899 fc_port_t *fcport;
3900 struct scsi_qla_host *vha;
3901 struct qla_hw_data *ha = base_vha->hw;
3902 unsigned long flags;
3903
3904 spin_lock_irqsave(&ha->vport_slock, flags);
3905 /* Go with deferred removal of rport references. */
3906 list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3907 atomic_inc(&vha->vref_count);
3908 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3909 if (fcport->drport &&
3910 atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3911 spin_unlock_irqrestore(&ha->vport_slock, flags);
3912
3913 qla2x00_rport_del(fcport);
3914
3915 spin_lock_irqsave(&ha->vport_slock, flags);
3916 }
3917 }
3918 atomic_dec(&vha->vref_count);
3919 }
3920 spin_unlock_irqrestore(&ha->vport_slock, flags);
3921 }
3922
3923 /*
3924 * qla82xx_quiescent_state_cleanup
3925 * Description: This function will block the new I/Os
3926 * Its not aborting any I/Os as context
3927 * is not destroyed during quiescence
3928 * Arguments: scsi_qla_host_t
3929 * return : void
3930 */
3931 void
3932 qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3933 {
3934 struct qla_hw_data *ha = vha->hw;
3935 struct scsi_qla_host *vp;
3936
3937 qla_printk(KERN_INFO, ha,
3938 "Performing ISP error recovery - ha= %p.\n", ha);
3939
3940 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3941 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3942 atomic_set(&vha->loop_state, LOOP_DOWN);
3943 qla2x00_mark_all_devices_lost(vha, 0);
3944 list_for_each_entry(vp, &ha->vp_list, list)
3945 qla2x00_mark_all_devices_lost(vha, 0);
3946 } else {
3947 if (!atomic_read(&vha->loop_down_timer))
3948 atomic_set(&vha->loop_down_timer,
3949 LOOP_DOWN_TIME);
3950 }
3951 /* Wait for pending cmds to complete */
3952 qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3953 }
3954
3955 void
3956 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3957 {
3958 struct qla_hw_data *ha = vha->hw;
3959 struct scsi_qla_host *vp;
3960 unsigned long flags;
3961 fc_port_t *fcport;
3962
3963 /* For ISP82XX, driver waits for completion of the commands.
3964 * online flag should be set.
3965 */
3966 if (!IS_QLA82XX(ha))
3967 vha->flags.online = 0;
3968 ha->flags.chip_reset_done = 0;
3969 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3970 ha->qla_stats.total_isp_aborts++;
3971
3972 qla_printk(KERN_INFO, ha,
3973 "Performing ISP error recovery - ha= %p.\n", ha);
3974
3975 /* For ISP82XX, reset_chip is just disabling interrupts.
3976 * Driver waits for the completion of the commands.
3977 * the interrupts need to be enabled.
3978 */
3979 if (!IS_QLA82XX(ha))
3980 ha->isp_ops->reset_chip(vha);
3981
3982 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3983 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3984 atomic_set(&vha->loop_state, LOOP_DOWN);
3985 qla2x00_mark_all_devices_lost(vha, 0);
3986
3987 spin_lock_irqsave(&ha->vport_slock, flags);
3988 list_for_each_entry(vp, &ha->vp_list, list) {
3989 atomic_inc(&vp->vref_count);
3990 spin_unlock_irqrestore(&ha->vport_slock, flags);
3991
3992 qla2x00_mark_all_devices_lost(vp, 0);
3993
3994 spin_lock_irqsave(&ha->vport_slock, flags);
3995 atomic_dec(&vp->vref_count);
3996 }
3997 spin_unlock_irqrestore(&ha->vport_slock, flags);
3998 } else {
3999 if (!atomic_read(&vha->loop_down_timer))
4000 atomic_set(&vha->loop_down_timer,
4001 LOOP_DOWN_TIME);
4002 }
4003
4004 /* Clear all async request states across all VPs. */
4005 list_for_each_entry(fcport, &vha->vp_fcports, list)
4006 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4007 spin_lock_irqsave(&ha->vport_slock, flags);
4008 list_for_each_entry(vp, &ha->vp_list, list) {
4009 atomic_inc(&vp->vref_count);
4010 spin_unlock_irqrestore(&ha->vport_slock, flags);
4011
4012 list_for_each_entry(fcport, &vp->vp_fcports, list)
4013 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4014
4015 spin_lock_irqsave(&ha->vport_slock, flags);
4016 atomic_dec(&vp->vref_count);
4017 }
4018 spin_unlock_irqrestore(&ha->vport_slock, flags);
4019
4020 if (!ha->flags.eeh_busy) {
4021 /* Make sure for ISP 82XX IO DMA is complete */
4022 if (IS_QLA82XX(ha)) {
4023 qla82xx_chip_reset_cleanup(vha);
4024
4025 /* Done waiting for pending commands.
4026 * Reset the online flag.
4027 */
4028 vha->flags.online = 0;
4029 }
4030
4031 /* Requeue all commands in outstanding command list. */
4032 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4033 }
4034 }
4035
4036 /*
4037 * qla2x00_abort_isp
4038 * Resets ISP and aborts all outstanding commands.
4039 *
4040 * Input:
4041 * ha = adapter block pointer.
4042 *
4043 * Returns:
4044 * 0 = success
4045 */
4046 int
4047 qla2x00_abort_isp(scsi_qla_host_t *vha)
4048 {
4049 int rval;
4050 uint8_t status = 0;
4051 struct qla_hw_data *ha = vha->hw;
4052 struct scsi_qla_host *vp;
4053 struct req_que *req = ha->req_q_map[0];
4054 unsigned long flags;
4055
4056 if (vha->flags.online) {
4057 qla2x00_abort_isp_cleanup(vha);
4058
4059 if (unlikely(pci_channel_offline(ha->pdev) &&
4060 ha->flags.pci_channel_io_perm_failure)) {
4061 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4062 status = 0;
4063 return status;
4064 }
4065
4066 ha->isp_ops->get_flash_version(vha, req->ring);
4067
4068 ha->isp_ops->nvram_config(vha);
4069
4070 if (!qla2x00_restart_isp(vha)) {
4071 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4072
4073 if (!atomic_read(&vha->loop_down_timer)) {
4074 /*
4075 * Issue marker command only when we are going
4076 * to start the I/O .
4077 */
4078 vha->marker_needed = 1;
4079 }
4080
4081 vha->flags.online = 1;
4082
4083 ha->isp_ops->enable_intrs(ha);
4084
4085 ha->isp_abort_cnt = 0;
4086 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4087
4088 if (IS_QLA81XX(ha))
4089 qla2x00_get_fw_version(vha,
4090 &ha->fw_major_version,
4091 &ha->fw_minor_version,
4092 &ha->fw_subminor_version,
4093 &ha->fw_attributes, &ha->fw_memory_size,
4094 ha->mpi_version, &ha->mpi_capabilities,
4095 ha->phy_version);
4096
4097 if (ha->fce) {
4098 ha->flags.fce_enabled = 1;
4099 memset(ha->fce, 0,
4100 fce_calc_size(ha->fce_bufs));
4101 rval = qla2x00_enable_fce_trace(vha,
4102 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4103 &ha->fce_bufs);
4104 if (rval) {
4105 qla_printk(KERN_WARNING, ha,
4106 "Unable to reinitialize FCE "
4107 "(%d).\n", rval);
4108 ha->flags.fce_enabled = 0;
4109 }
4110 }
4111
4112 if (ha->eft) {
4113 memset(ha->eft, 0, EFT_SIZE);
4114 rval = qla2x00_enable_eft_trace(vha,
4115 ha->eft_dma, EFT_NUM_BUFFERS);
4116 if (rval) {
4117 qla_printk(KERN_WARNING, ha,
4118 "Unable to reinitialize EFT "
4119 "(%d).\n", rval);
4120 }
4121 }
4122 } else { /* failed the ISP abort */
4123 vha->flags.online = 1;
4124 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4125 if (ha->isp_abort_cnt == 0) {
4126 qla_printk(KERN_WARNING, ha,
4127 "ISP error recovery failed - "
4128 "board disabled\n");
4129 /*
4130 * The next call disables the board
4131 * completely.
4132 */
4133 ha->isp_ops->reset_adapter(vha);
4134 vha->flags.online = 0;
4135 clear_bit(ISP_ABORT_RETRY,
4136 &vha->dpc_flags);
4137 status = 0;
4138 } else { /* schedule another ISP abort */
4139 ha->isp_abort_cnt--;
4140 DEBUG(printk("qla%ld: ISP abort - "
4141 "retry remaining %d\n",
4142 vha->host_no, ha->isp_abort_cnt));
4143 status = 1;
4144 }
4145 } else {
4146 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4147 DEBUG(printk("qla2x00(%ld): ISP error recovery "
4148 "- retrying (%d) more times\n",
4149 vha->host_no, ha->isp_abort_cnt));
4150 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4151 status = 1;
4152 }
4153 }
4154
4155 }
4156
4157 if (!status) {
4158 DEBUG(printk(KERN_INFO
4159 "qla2x00_abort_isp(%ld): succeeded.\n",
4160 vha->host_no));
4161
4162 spin_lock_irqsave(&ha->vport_slock, flags);
4163 list_for_each_entry(vp, &ha->vp_list, list) {
4164 if (vp->vp_idx) {
4165 atomic_inc(&vp->vref_count);
4166 spin_unlock_irqrestore(&ha->vport_slock, flags);
4167
4168 qla2x00_vp_abort_isp(vp);
4169
4170 spin_lock_irqsave(&ha->vport_slock, flags);
4171 atomic_dec(&vp->vref_count);
4172 }
4173 }
4174 spin_unlock_irqrestore(&ha->vport_slock, flags);
4175
4176 } else {
4177 qla_printk(KERN_INFO, ha,
4178 "qla2x00_abort_isp: **** FAILED ****\n");
4179 }
4180
4181 return(status);
4182 }
4183
4184 /*
4185 * qla2x00_restart_isp
4186 * restarts the ISP after a reset
4187 *
4188 * Input:
4189 * ha = adapter block pointer.
4190 *
4191 * Returns:
4192 * 0 = success
4193 */
4194 static int
4195 qla2x00_restart_isp(scsi_qla_host_t *vha)
4196 {
4197 int status = 0;
4198 uint32_t wait_time;
4199 struct qla_hw_data *ha = vha->hw;
4200 struct req_que *req = ha->req_q_map[0];
4201 struct rsp_que *rsp = ha->rsp_q_map[0];
4202
4203 /* If firmware needs to be loaded */
4204 if (qla2x00_isp_firmware(vha)) {
4205 vha->flags.online = 0;
4206 status = ha->isp_ops->chip_diag(vha);
4207 if (!status)
4208 status = qla2x00_setup_chip(vha);
4209 }
4210
4211 if (!status && !(status = qla2x00_init_rings(vha))) {
4212 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4213 ha->flags.chip_reset_done = 1;
4214 /* Initialize the queues in use */
4215 qla25xx_init_queues(ha);
4216
4217 status = qla2x00_fw_ready(vha);
4218 if (!status) {
4219 DEBUG(printk("%s(): Start configure loop, "
4220 "status = %d\n", __func__, status));
4221
4222 /* Issue a marker after FW becomes ready. */
4223 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4224
4225 vha->flags.online = 1;
4226 /* Wait at most MAX_TARGET RSCNs for a stable link. */
4227 wait_time = 256;
4228 do {
4229 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4230 qla2x00_configure_loop(vha);
4231 wait_time--;
4232 } while (!atomic_read(&vha->loop_down_timer) &&
4233 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4234 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4235 &vha->dpc_flags)));
4236 }
4237
4238 /* if no cable then assume it's good */
4239 if ((vha->device_flags & DFLG_NO_CABLE))
4240 status = 0;
4241
4242 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
4243 __func__,
4244 status));
4245 }
4246 return (status);
4247 }
4248
4249 static int
4250 qla25xx_init_queues(struct qla_hw_data *ha)
4251 {
4252 struct rsp_que *rsp = NULL;
4253 struct req_que *req = NULL;
4254 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4255 int ret = -1;
4256 int i;
4257
4258 for (i = 1; i < ha->max_rsp_queues; i++) {
4259 rsp = ha->rsp_q_map[i];
4260 if (rsp) {
4261 rsp->options &= ~BIT_0;
4262 ret = qla25xx_init_rsp_que(base_vha, rsp);
4263 if (ret != QLA_SUCCESS)
4264 DEBUG2_17(printk(KERN_WARNING
4265 "%s Rsp que:%d init failed\n", __func__,
4266 rsp->id));
4267 else
4268 DEBUG2_17(printk(KERN_INFO
4269 "%s Rsp que:%d inited\n", __func__,
4270 rsp->id));
4271 }
4272 }
4273 for (i = 1; i < ha->max_req_queues; i++) {
4274 req = ha->req_q_map[i];
4275 if (req) {
4276 /* Clear outstanding commands array. */
4277 req->options &= ~BIT_0;
4278 ret = qla25xx_init_req_que(base_vha, req);
4279 if (ret != QLA_SUCCESS)
4280 DEBUG2_17(printk(KERN_WARNING
4281 "%s Req que:%d init failed\n", __func__,
4282 req->id));
4283 else
4284 DEBUG2_17(printk(KERN_WARNING
4285 "%s Req que:%d inited\n", __func__,
4286 req->id));
4287 }
4288 }
4289 return ret;
4290 }
4291
4292 /*
4293 * qla2x00_reset_adapter
4294 * Reset adapter.
4295 *
4296 * Input:
4297 * ha = adapter block pointer.
4298 */
4299 void
4300 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4301 {
4302 unsigned long flags = 0;
4303 struct qla_hw_data *ha = vha->hw;
4304 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4305
4306 vha->flags.online = 0;
4307 ha->isp_ops->disable_intrs(ha);
4308
4309 spin_lock_irqsave(&ha->hardware_lock, flags);
4310 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4311 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4312 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4313 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4314 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4315 }
4316
4317 void
4318 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4319 {
4320 unsigned long flags = 0;
4321 struct qla_hw_data *ha = vha->hw;
4322 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4323
4324 if (IS_QLA82XX(ha))
4325 return;
4326
4327 vha->flags.online = 0;
4328 ha->isp_ops->disable_intrs(ha);
4329
4330 spin_lock_irqsave(&ha->hardware_lock, flags);
4331 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4332 RD_REG_DWORD(&reg->hccr);
4333 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4334 RD_REG_DWORD(&reg->hccr);
4335 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4336
4337 if (IS_NOPOLLING_TYPE(ha))
4338 ha->isp_ops->enable_intrs(ha);
4339 }
4340
4341 /* On sparc systems, obtain port and node WWN from firmware
4342 * properties.
4343 */
4344 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4345 struct nvram_24xx *nv)
4346 {
4347 #ifdef CONFIG_SPARC
4348 struct qla_hw_data *ha = vha->hw;
4349 struct pci_dev *pdev = ha->pdev;
4350 struct device_node *dp = pci_device_to_OF_node(pdev);
4351 const u8 *val;
4352 int len;
4353
4354 val = of_get_property(dp, "port-wwn", &len);
4355 if (val && len >= WWN_SIZE)
4356 memcpy(nv->port_name, val, WWN_SIZE);
4357
4358 val = of_get_property(dp, "node-wwn", &len);
4359 if (val && len >= WWN_SIZE)
4360 memcpy(nv->node_name, val, WWN_SIZE);
4361 #endif
4362 }
4363
4364 int
4365 qla24xx_nvram_config(scsi_qla_host_t *vha)
4366 {
4367 int rval;
4368 struct init_cb_24xx *icb;
4369 struct nvram_24xx *nv;
4370 uint32_t *dptr;
4371 uint8_t *dptr1, *dptr2;
4372 uint32_t chksum;
4373 uint16_t cnt;
4374 struct qla_hw_data *ha = vha->hw;
4375
4376 rval = QLA_SUCCESS;
4377 icb = (struct init_cb_24xx *)ha->init_cb;
4378 nv = ha->nvram;
4379
4380 /* Determine NVRAM starting address. */
4381 if (ha->flags.port0) {
4382 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4383 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4384 } else {
4385 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4386 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4387 }
4388 ha->nvram_size = sizeof(struct nvram_24xx);
4389 ha->vpd_size = FA_NVRAM_VPD_SIZE;
4390 if (IS_QLA82XX(ha))
4391 ha->vpd_size = FA_VPD_SIZE_82XX;
4392
4393 /* Get VPD data into cache */
4394 ha->vpd = ha->nvram + VPD_OFFSET;
4395 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4396 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4397
4398 /* Get NVRAM data into cache and calculate checksum. */
4399 dptr = (uint32_t *)nv;
4400 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4401 ha->nvram_size);
4402 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4403 chksum += le32_to_cpu(*dptr++);
4404
4405 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4406 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4407
4408 /* Bad NVRAM data, set defaults parameters. */
4409 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4410 || nv->id[3] != ' ' ||
4411 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4412 /* Reset NVRAM data. */
4413 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4414 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4415 le16_to_cpu(nv->nvram_version));
4416 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4417 "invalid -- WWPN) defaults.\n");
4418
4419 /*
4420 * Set default initialization control block.
4421 */
4422 memset(nv, 0, ha->nvram_size);
4423 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4424 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4425 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4426 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4427 nv->exchange_count = __constant_cpu_to_le16(0);
4428 nv->hard_address = __constant_cpu_to_le16(124);
4429 nv->port_name[0] = 0x21;
4430 nv->port_name[1] = 0x00 + ha->port_no;
4431 nv->port_name[2] = 0x00;
4432 nv->port_name[3] = 0xe0;
4433 nv->port_name[4] = 0x8b;
4434 nv->port_name[5] = 0x1c;
4435 nv->port_name[6] = 0x55;
4436 nv->port_name[7] = 0x86;
4437 nv->node_name[0] = 0x20;
4438 nv->node_name[1] = 0x00;
4439 nv->node_name[2] = 0x00;
4440 nv->node_name[3] = 0xe0;
4441 nv->node_name[4] = 0x8b;
4442 nv->node_name[5] = 0x1c;
4443 nv->node_name[6] = 0x55;
4444 nv->node_name[7] = 0x86;
4445 qla24xx_nvram_wwn_from_ofw(vha, nv);
4446 nv->login_retry_count = __constant_cpu_to_le16(8);
4447 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4448 nv->login_timeout = __constant_cpu_to_le16(0);
4449 nv->firmware_options_1 =
4450 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4451 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4452 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4453 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4454 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4455 nv->efi_parameters = __constant_cpu_to_le32(0);
4456 nv->reset_delay = 5;
4457 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4458 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4459 nv->link_down_timeout = __constant_cpu_to_le16(30);
4460
4461 rval = 1;
4462 }
4463
4464 /* Reset Initialization control block */
4465 memset(icb, 0, ha->init_cb_size);
4466
4467 /* Copy 1st segment. */
4468 dptr1 = (uint8_t *)icb;
4469 dptr2 = (uint8_t *)&nv->version;
4470 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4471 while (cnt--)
4472 *dptr1++ = *dptr2++;
4473
4474 icb->login_retry_count = nv->login_retry_count;
4475 icb->link_down_on_nos = nv->link_down_on_nos;
4476
4477 /* Copy 2nd segment. */
4478 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4479 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4480 cnt = (uint8_t *)&icb->reserved_3 -
4481 (uint8_t *)&icb->interrupt_delay_timer;
4482 while (cnt--)
4483 *dptr1++ = *dptr2++;
4484
4485 /*
4486 * Setup driver NVRAM options.
4487 */
4488 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4489 "QLA2462");
4490
4491 /* Use alternate WWN? */
4492 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4493 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4494 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4495 }
4496
4497 /* Prepare nodename */
4498 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4499 /*
4500 * Firmware will apply the following mask if the nodename was
4501 * not provided.
4502 */
4503 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4504 icb->node_name[0] &= 0xF0;
4505 }
4506
4507 /* Set host adapter parameters. */
4508 ha->flags.disable_risc_code_load = 0;
4509 ha->flags.enable_lip_reset = 0;
4510 ha->flags.enable_lip_full_login =
4511 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4512 ha->flags.enable_target_reset =
4513 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4514 ha->flags.enable_led_scheme = 0;
4515 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4516
4517 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4518 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4519
4520 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4521 sizeof(ha->fw_seriallink_options24));
4522
4523 /* save HBA serial number */
4524 ha->serial0 = icb->port_name[5];
4525 ha->serial1 = icb->port_name[6];
4526 ha->serial2 = icb->port_name[7];
4527 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4528 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4529
4530 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4531
4532 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4533
4534 /* Set minimum login_timeout to 4 seconds. */
4535 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4536 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4537 if (le16_to_cpu(nv->login_timeout) < 4)
4538 nv->login_timeout = __constant_cpu_to_le16(4);
4539 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4540 icb->login_timeout = nv->login_timeout;
4541
4542 /* Set minimum RATOV to 100 tenths of a second. */
4543 ha->r_a_tov = 100;
4544
4545 ha->loop_reset_delay = nv->reset_delay;
4546
4547 /* Link Down Timeout = 0:
4548 *
4549 * When Port Down timer expires we will start returning
4550 * I/O's to OS with "DID_NO_CONNECT".
4551 *
4552 * Link Down Timeout != 0:
4553 *
4554 * The driver waits for the link to come up after link down
4555 * before returning I/Os to OS with "DID_NO_CONNECT".
4556 */
4557 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4558 ha->loop_down_abort_time =
4559 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4560 } else {
4561 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4562 ha->loop_down_abort_time =
4563 (LOOP_DOWN_TIME - ha->link_down_timeout);
4564 }
4565
4566 /* Need enough time to try and get the port back. */
4567 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4568 if (qlport_down_retry)
4569 ha->port_down_retry_count = qlport_down_retry;
4570
4571 /* Set login_retry_count */
4572 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4573 if (ha->port_down_retry_count ==
4574 le16_to_cpu(nv->port_down_retry_count) &&
4575 ha->port_down_retry_count > 3)
4576 ha->login_retry_count = ha->port_down_retry_count;
4577 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4578 ha->login_retry_count = ha->port_down_retry_count;
4579 if (ql2xloginretrycount)
4580 ha->login_retry_count = ql2xloginretrycount;
4581
4582 /* Enable ZIO. */
4583 if (!vha->flags.init_done) {
4584 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4585 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4586 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4587 le16_to_cpu(icb->interrupt_delay_timer): 2;
4588 }
4589 icb->firmware_options_2 &= __constant_cpu_to_le32(
4590 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4591 vha->flags.process_response_queue = 0;
4592 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4593 ha->zio_mode = QLA_ZIO_MODE_6;
4594
4595 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4596 "(%d us).\n", vha->host_no, ha->zio_mode,
4597 ha->zio_timer * 100));
4598 qla_printk(KERN_INFO, ha,
4599 "ZIO mode %d enabled; timer delay (%d us).\n",
4600 ha->zio_mode, ha->zio_timer * 100);
4601
4602 icb->firmware_options_2 |= cpu_to_le32(
4603 (uint32_t)ha->zio_mode);
4604 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4605 vha->flags.process_response_queue = 1;
4606 }
4607
4608 if (rval) {
4609 DEBUG2_3(printk(KERN_WARNING
4610 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4611 }
4612 return (rval);
4613 }
4614
4615 static int
4616 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4617 uint32_t faddr)
4618 {
4619 int rval = QLA_SUCCESS;
4620 int segments, fragment;
4621 uint32_t *dcode, dlen;
4622 uint32_t risc_addr;
4623 uint32_t risc_size;
4624 uint32_t i;
4625 struct qla_hw_data *ha = vha->hw;
4626 struct req_que *req = ha->req_q_map[0];
4627
4628 qla_printk(KERN_INFO, ha,
4629 "FW: Loading from flash (%x)...\n", faddr);
4630
4631 rval = QLA_SUCCESS;
4632
4633 segments = FA_RISC_CODE_SEGMENTS;
4634 dcode = (uint32_t *)req->ring;
4635 *srisc_addr = 0;
4636
4637 /* Validate firmware image by checking version. */
4638 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4639 for (i = 0; i < 4; i++)
4640 dcode[i] = be32_to_cpu(dcode[i]);
4641 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4642 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4643 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4644 dcode[3] == 0)) {
4645 qla_printk(KERN_WARNING, ha,
4646 "Unable to verify integrity of flash firmware image!\n");
4647 qla_printk(KERN_WARNING, ha,
4648 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4649 dcode[1], dcode[2], dcode[3]);
4650
4651 return QLA_FUNCTION_FAILED;
4652 }
4653
4654 while (segments && rval == QLA_SUCCESS) {
4655 /* Read segment's load information. */
4656 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4657
4658 risc_addr = be32_to_cpu(dcode[2]);
4659 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4660 risc_size = be32_to_cpu(dcode[3]);
4661
4662 fragment = 0;
4663 while (risc_size > 0 && rval == QLA_SUCCESS) {
4664 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4665 if (dlen > risc_size)
4666 dlen = risc_size;
4667
4668 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4669 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4670 vha->host_no, risc_addr, dlen, faddr));
4671
4672 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4673 for (i = 0; i < dlen; i++)
4674 dcode[i] = swab32(dcode[i]);
4675
4676 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4677 dlen);
4678 if (rval) {
4679 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4680 "segment %d of firmware\n", vha->host_no,
4681 fragment));
4682 qla_printk(KERN_WARNING, ha,
4683 "[ERROR] Failed to load segment %d of "
4684 "firmware\n", fragment);
4685 break;
4686 }
4687
4688 faddr += dlen;
4689 risc_addr += dlen;
4690 risc_size -= dlen;
4691 fragment++;
4692 }
4693
4694 /* Next segment. */
4695 segments--;
4696 }
4697
4698 return rval;
4699 }
4700
4701 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4702
4703 int
4704 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4705 {
4706 int rval;
4707 int i, fragment;
4708 uint16_t *wcode, *fwcode;
4709 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4710 struct fw_blob *blob;
4711 struct qla_hw_data *ha = vha->hw;
4712 struct req_que *req = ha->req_q_map[0];
4713
4714 /* Load firmware blob. */
4715 blob = qla2x00_request_firmware(vha);
4716 if (!blob) {
4717 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4718 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4719 "from: " QLA_FW_URL ".\n");
4720 return QLA_FUNCTION_FAILED;
4721 }
4722
4723 rval = QLA_SUCCESS;
4724
4725 wcode = (uint16_t *)req->ring;
4726 *srisc_addr = 0;
4727 fwcode = (uint16_t *)blob->fw->data;
4728 fwclen = 0;
4729
4730 /* Validate firmware image by checking version. */
4731 if (blob->fw->size < 8 * sizeof(uint16_t)) {
4732 qla_printk(KERN_WARNING, ha,
4733 "Unable to verify integrity of firmware image (%Zd)!\n",
4734 blob->fw->size);
4735 goto fail_fw_integrity;
4736 }
4737 for (i = 0; i < 4; i++)
4738 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4739 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4740 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4741 wcode[2] == 0 && wcode[3] == 0)) {
4742 qla_printk(KERN_WARNING, ha,
4743 "Unable to verify integrity of firmware image!\n");
4744 qla_printk(KERN_WARNING, ha,
4745 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4746 wcode[1], wcode[2], wcode[3]);
4747 goto fail_fw_integrity;
4748 }
4749
4750 seg = blob->segs;
4751 while (*seg && rval == QLA_SUCCESS) {
4752 risc_addr = *seg;
4753 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4754 risc_size = be16_to_cpu(fwcode[3]);
4755
4756 /* Validate firmware image size. */
4757 fwclen += risc_size * sizeof(uint16_t);
4758 if (blob->fw->size < fwclen) {
4759 qla_printk(KERN_WARNING, ha,
4760 "Unable to verify integrity of firmware image "
4761 "(%Zd)!\n", blob->fw->size);
4762 goto fail_fw_integrity;
4763 }
4764
4765 fragment = 0;
4766 while (risc_size > 0 && rval == QLA_SUCCESS) {
4767 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4768 if (wlen > risc_size)
4769 wlen = risc_size;
4770
4771 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4772 "addr %x, number of words 0x%x.\n", vha->host_no,
4773 risc_addr, wlen));
4774
4775 for (i = 0; i < wlen; i++)
4776 wcode[i] = swab16(fwcode[i]);
4777
4778 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4779 wlen);
4780 if (rval) {
4781 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4782 "segment %d of firmware\n", vha->host_no,
4783 fragment));
4784 qla_printk(KERN_WARNING, ha,
4785 "[ERROR] Failed to load segment %d of "
4786 "firmware\n", fragment);
4787 break;
4788 }
4789
4790 fwcode += wlen;
4791 risc_addr += wlen;
4792 risc_size -= wlen;
4793 fragment++;
4794 }
4795
4796 /* Next segment. */
4797 seg++;
4798 }
4799 return rval;
4800
4801 fail_fw_integrity:
4802 return QLA_FUNCTION_FAILED;
4803 }
4804
4805 static int
4806 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4807 {
4808 int rval;
4809 int segments, fragment;
4810 uint32_t *dcode, dlen;
4811 uint32_t risc_addr;
4812 uint32_t risc_size;
4813 uint32_t i;
4814 struct fw_blob *blob;
4815 uint32_t *fwcode, fwclen;
4816 struct qla_hw_data *ha = vha->hw;
4817 struct req_que *req = ha->req_q_map[0];
4818
4819 /* Load firmware blob. */
4820 blob = qla2x00_request_firmware(vha);
4821 if (!blob) {
4822 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4823 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4824 "from: " QLA_FW_URL ".\n");
4825
4826 return QLA_FUNCTION_FAILED;
4827 }
4828
4829 qla_printk(KERN_INFO, ha,
4830 "FW: Loading via request-firmware...\n");
4831
4832 rval = QLA_SUCCESS;
4833
4834 segments = FA_RISC_CODE_SEGMENTS;
4835 dcode = (uint32_t *)req->ring;
4836 *srisc_addr = 0;
4837 fwcode = (uint32_t *)blob->fw->data;
4838 fwclen = 0;
4839
4840 /* Validate firmware image by checking version. */
4841 if (blob->fw->size < 8 * sizeof(uint32_t)) {
4842 qla_printk(KERN_WARNING, ha,
4843 "Unable to verify integrity of firmware image (%Zd)!\n",
4844 blob->fw->size);
4845 goto fail_fw_integrity;
4846 }
4847 for (i = 0; i < 4; i++)
4848 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4849 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4850 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4851 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4852 dcode[3] == 0)) {
4853 qla_printk(KERN_WARNING, ha,
4854 "Unable to verify integrity of firmware image!\n");
4855 qla_printk(KERN_WARNING, ha,
4856 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4857 dcode[1], dcode[2], dcode[3]);
4858 goto fail_fw_integrity;
4859 }
4860
4861 while (segments && rval == QLA_SUCCESS) {
4862 risc_addr = be32_to_cpu(fwcode[2]);
4863 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4864 risc_size = be32_to_cpu(fwcode[3]);
4865
4866 /* Validate firmware image size. */
4867 fwclen += risc_size * sizeof(uint32_t);
4868 if (blob->fw->size < fwclen) {
4869 qla_printk(KERN_WARNING, ha,
4870 "Unable to verify integrity of firmware image "
4871 "(%Zd)!\n", blob->fw->size);
4872
4873 goto fail_fw_integrity;
4874 }
4875
4876 fragment = 0;
4877 while (risc_size > 0 && rval == QLA_SUCCESS) {
4878 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4879 if (dlen > risc_size)
4880 dlen = risc_size;
4881
4882 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4883 "addr %x, number of dwords 0x%x.\n", vha->host_no,
4884 risc_addr, dlen));
4885
4886 for (i = 0; i < dlen; i++)
4887 dcode[i] = swab32(fwcode[i]);
4888
4889 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4890 dlen);
4891 if (rval) {
4892 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4893 "segment %d of firmware\n", vha->host_no,
4894 fragment));
4895 qla_printk(KERN_WARNING, ha,
4896 "[ERROR] Failed to load segment %d of "
4897 "firmware\n", fragment);
4898 break;
4899 }
4900
4901 fwcode += dlen;
4902 risc_addr += dlen;
4903 risc_size -= dlen;
4904 fragment++;
4905 }
4906
4907 /* Next segment. */
4908 segments--;
4909 }
4910 return rval;
4911
4912 fail_fw_integrity:
4913 return QLA_FUNCTION_FAILED;
4914 }
4915
4916 int
4917 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4918 {
4919 int rval;
4920
4921 if (ql2xfwloadbin == 1)
4922 return qla81xx_load_risc(vha, srisc_addr);
4923
4924 /*
4925 * FW Load priority:
4926 * 1) Firmware via request-firmware interface (.bin file).
4927 * 2) Firmware residing in flash.
4928 */
4929 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4930 if (rval == QLA_SUCCESS)
4931 return rval;
4932
4933 return qla24xx_load_risc_flash(vha, srisc_addr,
4934 vha->hw->flt_region_fw);
4935 }
4936
4937 int
4938 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4939 {
4940 int rval;
4941 struct qla_hw_data *ha = vha->hw;
4942
4943 if (ql2xfwloadbin == 2)
4944 goto try_blob_fw;
4945
4946 /*
4947 * FW Load priority:
4948 * 1) Firmware residing in flash.
4949 * 2) Firmware via request-firmware interface (.bin file).
4950 * 3) Golden-Firmware residing in flash -- limited operation.
4951 */
4952 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4953 if (rval == QLA_SUCCESS)
4954 return rval;
4955
4956 try_blob_fw:
4957 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4958 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4959 return rval;
4960
4961 qla_printk(KERN_ERR, ha,
4962 "FW: Attempting to fallback to golden firmware...\n");
4963 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4964 if (rval != QLA_SUCCESS)
4965 return rval;
4966
4967 qla_printk(KERN_ERR, ha,
4968 "FW: Please update operational firmware...\n");
4969 ha->flags.running_gold_fw = 1;
4970
4971 return rval;
4972 }
4973
4974 void
4975 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4976 {
4977 int ret, retries;
4978 struct qla_hw_data *ha = vha->hw;
4979
4980 if (ha->flags.pci_channel_io_perm_failure)
4981 return;
4982 if (!IS_FWI2_CAPABLE(ha))
4983 return;
4984 if (!ha->fw_major_version)
4985 return;
4986
4987 ret = qla2x00_stop_firmware(vha);
4988 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4989 ret != QLA_INVALID_COMMAND && retries ; retries--) {
4990 ha->isp_ops->reset_chip(vha);
4991 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4992 continue;
4993 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4994 continue;
4995 qla_printk(KERN_INFO, ha,
4996 "Attempting retry of stop-firmware command...\n");
4997 ret = qla2x00_stop_firmware(vha);
4998 }
4999 }
5000
5001 int
5002 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5003 {
5004 int rval = QLA_SUCCESS;
5005 uint16_t mb[MAILBOX_REGISTER_COUNT];
5006 struct qla_hw_data *ha = vha->hw;
5007 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5008 struct req_que *req;
5009 struct rsp_que *rsp;
5010
5011 if (!vha->vp_idx)
5012 return -EINVAL;
5013
5014 rval = qla2x00_fw_ready(base_vha);
5015 if (ha->flags.cpu_affinity_enabled)
5016 req = ha->req_q_map[0];
5017 else
5018 req = vha->req;
5019 rsp = req->rsp;
5020
5021 if (rval == QLA_SUCCESS) {
5022 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5023 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5024 }
5025
5026 vha->flags.management_server_logged_in = 0;
5027
5028 /* Login to SNS first */
5029 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
5030 if (mb[0] != MBS_COMMAND_COMPLETE) {
5031 DEBUG15(qla_printk(KERN_INFO, ha,
5032 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5033 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
5034 mb[0], mb[1], mb[2], mb[6], mb[7]));
5035 return (QLA_FUNCTION_FAILED);
5036 }
5037
5038 atomic_set(&vha->loop_down_timer, 0);
5039 atomic_set(&vha->loop_state, LOOP_UP);
5040 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5041 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5042 rval = qla2x00_loop_resync(base_vha);
5043
5044 return rval;
5045 }
5046
5047 /* 84XX Support **************************************************************/
5048
5049 static LIST_HEAD(qla_cs84xx_list);
5050 static DEFINE_MUTEX(qla_cs84xx_mutex);
5051
5052 static struct qla_chip_state_84xx *
5053 qla84xx_get_chip(struct scsi_qla_host *vha)
5054 {
5055 struct qla_chip_state_84xx *cs84xx;
5056 struct qla_hw_data *ha = vha->hw;
5057
5058 mutex_lock(&qla_cs84xx_mutex);
5059
5060 /* Find any shared 84xx chip. */
5061 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5062 if (cs84xx->bus == ha->pdev->bus) {
5063 kref_get(&cs84xx->kref);
5064 goto done;
5065 }
5066 }
5067
5068 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5069 if (!cs84xx)
5070 goto done;
5071
5072 kref_init(&cs84xx->kref);
5073 spin_lock_init(&cs84xx->access_lock);
5074 mutex_init(&cs84xx->fw_update_mutex);
5075 cs84xx->bus = ha->pdev->bus;
5076
5077 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5078 done:
5079 mutex_unlock(&qla_cs84xx_mutex);
5080 return cs84xx;
5081 }
5082
5083 static void
5084 __qla84xx_chip_release(struct kref *kref)
5085 {
5086 struct qla_chip_state_84xx *cs84xx =
5087 container_of(kref, struct qla_chip_state_84xx, kref);
5088
5089 mutex_lock(&qla_cs84xx_mutex);
5090 list_del(&cs84xx->list);
5091 mutex_unlock(&qla_cs84xx_mutex);
5092 kfree(cs84xx);
5093 }
5094
5095 void
5096 qla84xx_put_chip(struct scsi_qla_host *vha)
5097 {
5098 struct qla_hw_data *ha = vha->hw;
5099 if (ha->cs84xx)
5100 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5101 }
5102
5103 static int
5104 qla84xx_init_chip(scsi_qla_host_t *vha)
5105 {
5106 int rval;
5107 uint16_t status[2];
5108 struct qla_hw_data *ha = vha->hw;
5109
5110 mutex_lock(&ha->cs84xx->fw_update_mutex);
5111
5112 rval = qla84xx_verify_chip(vha, status);
5113
5114 mutex_unlock(&ha->cs84xx->fw_update_mutex);
5115
5116 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5117 QLA_SUCCESS;
5118 }
5119
5120 /* 81XX Support **************************************************************/
5121
5122 int
5123 qla81xx_nvram_config(scsi_qla_host_t *vha)
5124 {
5125 int rval;
5126 struct init_cb_81xx *icb;
5127 struct nvram_81xx *nv;
5128 uint32_t *dptr;
5129 uint8_t *dptr1, *dptr2;
5130 uint32_t chksum;
5131 uint16_t cnt;
5132 struct qla_hw_data *ha = vha->hw;
5133
5134 rval = QLA_SUCCESS;
5135 icb = (struct init_cb_81xx *)ha->init_cb;
5136 nv = ha->nvram;
5137
5138 /* Determine NVRAM starting address. */
5139 ha->nvram_size = sizeof(struct nvram_81xx);
5140 ha->vpd_size = FA_NVRAM_VPD_SIZE;
5141
5142 /* Get VPD data into cache */
5143 ha->vpd = ha->nvram + VPD_OFFSET;
5144 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5145 ha->vpd_size);
5146
5147 /* Get NVRAM data into cache and calculate checksum. */
5148 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5149 ha->nvram_size);
5150 dptr = (uint32_t *)nv;
5151 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5152 chksum += le32_to_cpu(*dptr++);
5153
5154 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
5155 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
5156
5157 /* Bad NVRAM data, set defaults parameters. */
5158 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5159 || nv->id[3] != ' ' ||
5160 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5161 /* Reset NVRAM data. */
5162 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
5163 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
5164 le16_to_cpu(nv->nvram_version));
5165 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
5166 "invalid -- WWPN) defaults.\n");
5167
5168 /*
5169 * Set default initialization control block.
5170 */
5171 memset(nv, 0, ha->nvram_size);
5172 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5173 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5174 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5175 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5176 nv->exchange_count = __constant_cpu_to_le16(0);
5177 nv->port_name[0] = 0x21;
5178 nv->port_name[1] = 0x00 + ha->port_no;
5179 nv->port_name[2] = 0x00;
5180 nv->port_name[3] = 0xe0;
5181 nv->port_name[4] = 0x8b;
5182 nv->port_name[5] = 0x1c;
5183 nv->port_name[6] = 0x55;
5184 nv->port_name[7] = 0x86;
5185 nv->node_name[0] = 0x20;
5186 nv->node_name[1] = 0x00;
5187 nv->node_name[2] = 0x00;
5188 nv->node_name[3] = 0xe0;
5189 nv->node_name[4] = 0x8b;
5190 nv->node_name[5] = 0x1c;
5191 nv->node_name[6] = 0x55;
5192 nv->node_name[7] = 0x86;
5193 nv->login_retry_count = __constant_cpu_to_le16(8);
5194 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5195 nv->login_timeout = __constant_cpu_to_le16(0);
5196 nv->firmware_options_1 =
5197 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5198 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5199 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5200 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5201 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5202 nv->efi_parameters = __constant_cpu_to_le32(0);
5203 nv->reset_delay = 5;
5204 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5205 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5206 nv->link_down_timeout = __constant_cpu_to_le16(30);
5207 nv->enode_mac[0] = 0x00;
5208 nv->enode_mac[1] = 0x02;
5209 nv->enode_mac[2] = 0x03;
5210 nv->enode_mac[3] = 0x04;
5211 nv->enode_mac[4] = 0x05;
5212 nv->enode_mac[5] = 0x06 + ha->port_no;
5213
5214 rval = 1;
5215 }
5216
5217 /* Reset Initialization control block */
5218 memset(icb, 0, ha->init_cb_size);
5219
5220 /* Copy 1st segment. */
5221 dptr1 = (uint8_t *)icb;
5222 dptr2 = (uint8_t *)&nv->version;
5223 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5224 while (cnt--)
5225 *dptr1++ = *dptr2++;
5226
5227 icb->login_retry_count = nv->login_retry_count;
5228
5229 /* Copy 2nd segment. */
5230 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5231 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5232 cnt = (uint8_t *)&icb->reserved_5 -
5233 (uint8_t *)&icb->interrupt_delay_timer;
5234 while (cnt--)
5235 *dptr1++ = *dptr2++;
5236
5237 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5238 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5239 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5240 icb->enode_mac[0] = 0x01;
5241 icb->enode_mac[1] = 0x02;
5242 icb->enode_mac[2] = 0x03;
5243 icb->enode_mac[3] = 0x04;
5244 icb->enode_mac[4] = 0x05;
5245 icb->enode_mac[5] = 0x06 + ha->port_no;
5246 }
5247
5248 /* Use extended-initialization control block. */
5249 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5250
5251 /*
5252 * Setup driver NVRAM options.
5253 */
5254 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5255 "QLE8XXX");
5256
5257 /* Use alternate WWN? */
5258 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5259 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5260 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5261 }
5262
5263 /* Prepare nodename */
5264 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5265 /*
5266 * Firmware will apply the following mask if the nodename was
5267 * not provided.
5268 */
5269 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5270 icb->node_name[0] &= 0xF0;
5271 }
5272
5273 /* Set host adapter parameters. */
5274 ha->flags.disable_risc_code_load = 0;
5275 ha->flags.enable_lip_reset = 0;
5276 ha->flags.enable_lip_full_login =
5277 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5278 ha->flags.enable_target_reset =
5279 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5280 ha->flags.enable_led_scheme = 0;
5281 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5282
5283 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5284 (BIT_6 | BIT_5 | BIT_4)) >> 4;
5285
5286 /* save HBA serial number */
5287 ha->serial0 = icb->port_name[5];
5288 ha->serial1 = icb->port_name[6];
5289 ha->serial2 = icb->port_name[7];
5290 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5291 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5292
5293 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5294
5295 ha->retry_count = le16_to_cpu(nv->login_retry_count);
5296
5297 /* Set minimum login_timeout to 4 seconds. */
5298 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5299 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5300 if (le16_to_cpu(nv->login_timeout) < 4)
5301 nv->login_timeout = __constant_cpu_to_le16(4);
5302 ha->login_timeout = le16_to_cpu(nv->login_timeout);
5303 icb->login_timeout = nv->login_timeout;
5304
5305 /* Set minimum RATOV to 100 tenths of a second. */
5306 ha->r_a_tov = 100;
5307
5308 ha->loop_reset_delay = nv->reset_delay;
5309
5310 /* Link Down Timeout = 0:
5311 *
5312 * When Port Down timer expires we will start returning
5313 * I/O's to OS with "DID_NO_CONNECT".
5314 *
5315 * Link Down Timeout != 0:
5316 *
5317 * The driver waits for the link to come up after link down
5318 * before returning I/Os to OS with "DID_NO_CONNECT".
5319 */
5320 if (le16_to_cpu(nv->link_down_timeout) == 0) {
5321 ha->loop_down_abort_time =
5322 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5323 } else {
5324 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5325 ha->loop_down_abort_time =
5326 (LOOP_DOWN_TIME - ha->link_down_timeout);
5327 }
5328
5329 /* Need enough time to try and get the port back. */
5330 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5331 if (qlport_down_retry)
5332 ha->port_down_retry_count = qlport_down_retry;
5333
5334 /* Set login_retry_count */
5335 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
5336 if (ha->port_down_retry_count ==
5337 le16_to_cpu(nv->port_down_retry_count) &&
5338 ha->port_down_retry_count > 3)
5339 ha->login_retry_count = ha->port_down_retry_count;
5340 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5341 ha->login_retry_count = ha->port_down_retry_count;
5342 if (ql2xloginretrycount)
5343 ha->login_retry_count = ql2xloginretrycount;
5344
5345 /* Enable ZIO. */
5346 if (!vha->flags.init_done) {
5347 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5348 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5349 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5350 le16_to_cpu(icb->interrupt_delay_timer): 2;
5351 }
5352 icb->firmware_options_2 &= __constant_cpu_to_le32(
5353 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5354 vha->flags.process_response_queue = 0;
5355 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5356 ha->zio_mode = QLA_ZIO_MODE_6;
5357
5358 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
5359 "(%d us).\n", vha->host_no, ha->zio_mode,
5360 ha->zio_timer * 100));
5361 qla_printk(KERN_INFO, ha,
5362 "ZIO mode %d enabled; timer delay (%d us).\n",
5363 ha->zio_mode, ha->zio_timer * 100);
5364
5365 icb->firmware_options_2 |= cpu_to_le32(
5366 (uint32_t)ha->zio_mode);
5367 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5368 vha->flags.process_response_queue = 1;
5369 }
5370
5371 if (rval) {
5372 DEBUG2_3(printk(KERN_WARNING
5373 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
5374 }
5375 return (rval);
5376 }
5377
5378 int
5379 qla82xx_restart_isp(scsi_qla_host_t *vha)
5380 {
5381 int status, rval;
5382 uint32_t wait_time;
5383 struct qla_hw_data *ha = vha->hw;
5384 struct req_que *req = ha->req_q_map[0];
5385 struct rsp_que *rsp = ha->rsp_q_map[0];
5386 struct scsi_qla_host *vp;
5387 unsigned long flags;
5388
5389 status = qla2x00_init_rings(vha);
5390 if (!status) {
5391 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5392 ha->flags.chip_reset_done = 1;
5393
5394 status = qla2x00_fw_ready(vha);
5395 if (!status) {
5396 qla_printk(KERN_INFO, ha,
5397 "%s(): Start configure loop, "
5398 "status = %d\n", __func__, status);
5399
5400 /* Issue a marker after FW becomes ready. */
5401 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5402
5403 vha->flags.online = 1;
5404 /* Wait at most MAX_TARGET RSCNs for a stable link. */
5405 wait_time = 256;
5406 do {
5407 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5408 qla2x00_configure_loop(vha);
5409 wait_time--;
5410 } while (!atomic_read(&vha->loop_down_timer) &&
5411 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5412 wait_time &&
5413 (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5414 }
5415
5416 /* if no cable then assume it's good */
5417 if ((vha->device_flags & DFLG_NO_CABLE))
5418 status = 0;
5419
5420 qla_printk(KERN_INFO, ha,
5421 "%s(): Configure loop done, status = 0x%x\n",
5422 __func__, status);
5423 }
5424
5425 if (!status) {
5426 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5427
5428 if (!atomic_read(&vha->loop_down_timer)) {
5429 /*
5430 * Issue marker command only when we are going
5431 * to start the I/O .
5432 */
5433 vha->marker_needed = 1;
5434 }
5435
5436 vha->flags.online = 1;
5437
5438 ha->isp_ops->enable_intrs(ha);
5439
5440 ha->isp_abort_cnt = 0;
5441 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5442
5443 /* Update the firmware version */
5444 qla2x00_get_fw_version(vha, &ha->fw_major_version,
5445 &ha->fw_minor_version, &ha->fw_subminor_version,
5446 &ha->fw_attributes, &ha->fw_memory_size,
5447 ha->mpi_version, &ha->mpi_capabilities,
5448 ha->phy_version);
5449
5450 if (ha->fce) {
5451 ha->flags.fce_enabled = 1;
5452 memset(ha->fce, 0,
5453 fce_calc_size(ha->fce_bufs));
5454 rval = qla2x00_enable_fce_trace(vha,
5455 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5456 &ha->fce_bufs);
5457 if (rval) {
5458 qla_printk(KERN_WARNING, ha,
5459 "Unable to reinitialize FCE "
5460 "(%d).\n", rval);
5461 ha->flags.fce_enabled = 0;
5462 }
5463 }
5464
5465 if (ha->eft) {
5466 memset(ha->eft, 0, EFT_SIZE);
5467 rval = qla2x00_enable_eft_trace(vha,
5468 ha->eft_dma, EFT_NUM_BUFFERS);
5469 if (rval) {
5470 qla_printk(KERN_WARNING, ha,
5471 "Unable to reinitialize EFT "
5472 "(%d).\n", rval);
5473 }
5474 }
5475 }
5476
5477 if (!status) {
5478 DEBUG(printk(KERN_INFO
5479 "qla82xx_restart_isp(%ld): succeeded.\n",
5480 vha->host_no));
5481
5482 spin_lock_irqsave(&ha->vport_slock, flags);
5483 list_for_each_entry(vp, &ha->vp_list, list) {
5484 if (vp->vp_idx) {
5485 atomic_inc(&vp->vref_count);
5486 spin_unlock_irqrestore(&ha->vport_slock, flags);
5487
5488 qla2x00_vp_abort_isp(vp);
5489
5490 spin_lock_irqsave(&ha->vport_slock, flags);
5491 atomic_dec(&vp->vref_count);
5492 }
5493 }
5494 spin_unlock_irqrestore(&ha->vport_slock, flags);
5495
5496 } else {
5497 qla_printk(KERN_INFO, ha,
5498 "qla82xx_restart_isp: **** FAILED ****\n");
5499 }
5500
5501 return status;
5502 }
5503
5504 void
5505 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5506 {
5507 struct qla_hw_data *ha = vha->hw;
5508
5509 if (!ql2xetsenable)
5510 return;
5511
5512 /* Enable ETS Burst. */
5513 memset(ha->fw_options, 0, sizeof(ha->fw_options));
5514 ha->fw_options[2] |= BIT_9;
5515 qla2x00_set_fw_options(vha, ha->fw_options);
5516 }
5517
5518 /*
5519 * qla24xx_get_fcp_prio
5520 * Gets the fcp cmd priority value for the logged in port.
5521 * Looks for a match of the port descriptors within
5522 * each of the fcp prio config entries. If a match is found,
5523 * the tag (priority) value is returned.
5524 *
5525 * Input:
5526 * vha = scsi host structure pointer.
5527 * fcport = port structure pointer.
5528 *
5529 * Return:
5530 * non-zero (if found)
5531 * -1 (if not found)
5532 *
5533 * Context:
5534 * Kernel context
5535 */
5536 static int
5537 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5538 {
5539 int i, entries;
5540 uint8_t pid_match, wwn_match;
5541 int priority;
5542 uint32_t pid1, pid2;
5543 uint64_t wwn1, wwn2;
5544 struct qla_fcp_prio_entry *pri_entry;
5545 struct qla_hw_data *ha = vha->hw;
5546
5547 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5548 return -1;
5549
5550 priority = -1;
5551 entries = ha->fcp_prio_cfg->num_entries;
5552 pri_entry = &ha->fcp_prio_cfg->entry[0];
5553
5554 for (i = 0; i < entries; i++) {
5555 pid_match = wwn_match = 0;
5556
5557 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5558 pri_entry++;
5559 continue;
5560 }
5561
5562 /* check source pid for a match */
5563 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5564 pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5565 pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5566 if (pid1 == INVALID_PORT_ID)
5567 pid_match++;
5568 else if (pid1 == pid2)
5569 pid_match++;
5570 }
5571
5572 /* check destination pid for a match */
5573 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5574 pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5575 pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5576 if (pid1 == INVALID_PORT_ID)
5577 pid_match++;
5578 else if (pid1 == pid2)
5579 pid_match++;
5580 }
5581
5582 /* check source WWN for a match */
5583 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5584 wwn1 = wwn_to_u64(vha->port_name);
5585 wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5586 if (wwn2 == (uint64_t)-1)
5587 wwn_match++;
5588 else if (wwn1 == wwn2)
5589 wwn_match++;
5590 }
5591
5592 /* check destination WWN for a match */
5593 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5594 wwn1 = wwn_to_u64(fcport->port_name);
5595 wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5596 if (wwn2 == (uint64_t)-1)
5597 wwn_match++;
5598 else if (wwn1 == wwn2)
5599 wwn_match++;
5600 }
5601
5602 if (pid_match == 2 || wwn_match == 2) {
5603 /* Found a matching entry */
5604 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5605 priority = pri_entry->tag;
5606 break;
5607 }
5608
5609 pri_entry++;
5610 }
5611
5612 return priority;
5613 }
5614
5615 /*
5616 * qla24xx_update_fcport_fcp_prio
5617 * Activates fcp priority for the logged in fc port
5618 *
5619 * Input:
5620 * vha = scsi host structure pointer.
5621 * fcp = port structure pointer.
5622 *
5623 * Return:
5624 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5625 *
5626 * Context:
5627 * Kernel context.
5628 */
5629 int
5630 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5631 {
5632 int ret;
5633 int priority;
5634 uint16_t mb[5];
5635
5636 if (fcport->port_type != FCT_TARGET ||
5637 fcport->loop_id == FC_NO_LOOP_ID)
5638 return QLA_FUNCTION_FAILED;
5639
5640 priority = qla24xx_get_fcp_prio(vha, fcport);
5641 if (priority < 0)
5642 return QLA_FUNCTION_FAILED;
5643
5644 ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
5645 if (ret == QLA_SUCCESS)
5646 fcport->fcp_prio = priority;
5647 else
5648 DEBUG2(printk(KERN_WARNING
5649 "scsi(%ld): Unable to activate fcp priority, "
5650 " ret=0x%x\n", vha->host_no, ret));
5651
5652 return ret;
5653 }
5654
5655 /*
5656 * qla24xx_update_all_fcp_prio
5657 * Activates fcp priority for all the logged in ports
5658 *
5659 * Input:
5660 * ha = adapter block pointer.
5661 *
5662 * Return:
5663 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5664 *
5665 * Context:
5666 * Kernel context.
5667 */
5668 int
5669 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5670 {
5671 int ret;
5672 fc_port_t *fcport;
5673
5674 ret = QLA_FUNCTION_FAILED;
5675 /* We need to set priority for all logged in ports */
5676 list_for_each_entry(fcport, &vha->vp_fcports, list)
5677 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5678
5679 return ret;
5680 }
Linux kernel - Deliverables
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