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Merge branch 'for-2.6.39' of git://linux-nfs.org/~bfields/linux
[deliverable/linux.git] / drivers / scsi / qla2xxx / qla_init.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2010 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 int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
39
40 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
41 static int qla84xx_init_chip(scsi_qla_host_t *);
42 static int qla25xx_init_queues(struct qla_hw_data *);
43
44 /* SRB Extensions ---------------------------------------------------------- */
45
46 static void
47 qla2x00_ctx_sp_timeout(unsigned long __data)
48 {
49 srb_t *sp = (srb_t *)__data;
50 struct srb_ctx *ctx;
51 struct srb_iocb *iocb;
52 fc_port_t *fcport = sp->fcport;
53 struct qla_hw_data *ha = fcport->vha->hw;
54 struct req_que *req;
55 unsigned long flags;
56
57 spin_lock_irqsave(&ha->hardware_lock, flags);
58 req = ha->req_q_map[0];
59 req->outstanding_cmds[sp->handle] = NULL;
60 ctx = sp->ctx;
61 iocb = ctx->u.iocb_cmd;
62 iocb->timeout(sp);
63 iocb->free(sp);
64 spin_unlock_irqrestore(&ha->hardware_lock, flags);
65 }
66
67 static void
68 qla2x00_ctx_sp_free(srb_t *sp)
69 {
70 struct srb_ctx *ctx = sp->ctx;
71 struct srb_iocb *iocb = ctx->u.iocb_cmd;
72 struct scsi_qla_host *vha = sp->fcport->vha;
73
74 del_timer(&iocb->timer);
75 kfree(iocb);
76 kfree(ctx);
77 mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
78
79 QLA_VHA_MARK_NOT_BUSY(vha);
80 }
81
82 inline srb_t *
83 qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
84 unsigned long tmo)
85 {
86 srb_t *sp = NULL;
87 struct qla_hw_data *ha = vha->hw;
88 struct srb_ctx *ctx;
89 struct srb_iocb *iocb;
90 uint8_t bail;
91
92 QLA_VHA_MARK_BUSY(vha, bail);
93 if (bail)
94 return NULL;
95
96 sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
97 if (!sp)
98 goto done;
99 ctx = kzalloc(size, GFP_KERNEL);
100 if (!ctx) {
101 mempool_free(sp, ha->srb_mempool);
102 sp = NULL;
103 goto done;
104 }
105 iocb = kzalloc(sizeof(struct srb_iocb), GFP_KERNEL);
106 if (!iocb) {
107 mempool_free(sp, ha->srb_mempool);
108 sp = NULL;
109 kfree(ctx);
110 goto done;
111 }
112
113 memset(sp, 0, sizeof(*sp));
114 sp->fcport = fcport;
115 sp->ctx = ctx;
116 ctx->u.iocb_cmd = iocb;
117 iocb->free = qla2x00_ctx_sp_free;
118
119 init_timer(&iocb->timer);
120 if (!tmo)
121 goto done;
122 iocb->timer.expires = jiffies + tmo * HZ;
123 iocb->timer.data = (unsigned long)sp;
124 iocb->timer.function = qla2x00_ctx_sp_timeout;
125 add_timer(&iocb->timer);
126 done:
127 if (!sp)
128 QLA_VHA_MARK_NOT_BUSY(vha);
129 return sp;
130 }
131
132 /* Asynchronous Login/Logout Routines -------------------------------------- */
133
134 static inline unsigned long
135 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
136 {
137 unsigned long tmo;
138 struct qla_hw_data *ha = vha->hw;
139
140 /* Firmware should use switch negotiated r_a_tov for timeout. */
141 tmo = ha->r_a_tov / 10 * 2;
142 if (!IS_FWI2_CAPABLE(ha)) {
143 /*
144 * Except for earlier ISPs where the timeout is seeded from the
145 * initialization control block.
146 */
147 tmo = ha->login_timeout;
148 }
149 return tmo;
150 }
151
152 static void
153 qla2x00_async_iocb_timeout(srb_t *sp)
154 {
155 fc_port_t *fcport = sp->fcport;
156 struct srb_ctx *ctx = sp->ctx;
157
158 DEBUG2(printk(KERN_WARNING
159 "scsi(%ld:%x): Async-%s timeout - portid=%02x%02x%02x.\n",
160 fcport->vha->host_no, sp->handle,
161 ctx->name, fcport->d_id.b.domain,
162 fcport->d_id.b.area, fcport->d_id.b.al_pa));
163
164 fcport->flags &= ~FCF_ASYNC_SENT;
165 if (ctx->type == SRB_LOGIN_CMD) {
166 struct srb_iocb *lio = ctx->u.iocb_cmd;
167 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
168 /* Retry as needed. */
169 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
170 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
171 QLA_LOGIO_LOGIN_RETRIED : 0;
172 qla2x00_post_async_login_done_work(fcport->vha, fcport,
173 lio->u.logio.data);
174 }
175 }
176
177 static void
178 qla2x00_async_login_ctx_done(srb_t *sp)
179 {
180 struct srb_ctx *ctx = sp->ctx;
181 struct srb_iocb *lio = ctx->u.iocb_cmd;
182
183 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
184 lio->u.logio.data);
185 lio->free(sp);
186 }
187
188 int
189 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
190 uint16_t *data)
191 {
192 srb_t *sp;
193 struct srb_ctx *ctx;
194 struct srb_iocb *lio;
195 int rval;
196
197 rval = QLA_FUNCTION_FAILED;
198 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
199 qla2x00_get_async_timeout(vha) + 2);
200 if (!sp)
201 goto done;
202
203 ctx = sp->ctx;
204 ctx->type = SRB_LOGIN_CMD;
205 ctx->name = "login";
206 lio = ctx->u.iocb_cmd;
207 lio->timeout = qla2x00_async_iocb_timeout;
208 lio->done = qla2x00_async_login_ctx_done;
209 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
210 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
211 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
212 rval = qla2x00_start_sp(sp);
213 if (rval != QLA_SUCCESS)
214 goto done_free_sp;
215
216 DEBUG2(printk(KERN_DEBUG
217 "scsi(%ld:%x): Async-login - loop-id=%x portid=%02x%02x%02x "
218 "retries=%d.\n", fcport->vha->host_no, sp->handle, fcport->loop_id,
219 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
220 fcport->login_retry));
221 return rval;
222
223 done_free_sp:
224 lio->free(sp);
225 done:
226 return rval;
227 }
228
229 static void
230 qla2x00_async_logout_ctx_done(srb_t *sp)
231 {
232 struct srb_ctx *ctx = sp->ctx;
233 struct srb_iocb *lio = ctx->u.iocb_cmd;
234
235 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
236 lio->u.logio.data);
237 lio->free(sp);
238 }
239
240 int
241 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
242 {
243 srb_t *sp;
244 struct srb_ctx *ctx;
245 struct srb_iocb *lio;
246 int rval;
247
248 rval = QLA_FUNCTION_FAILED;
249 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
250 qla2x00_get_async_timeout(vha) + 2);
251 if (!sp)
252 goto done;
253
254 ctx = sp->ctx;
255 ctx->type = SRB_LOGOUT_CMD;
256 ctx->name = "logout";
257 lio = ctx->u.iocb_cmd;
258 lio->timeout = qla2x00_async_iocb_timeout;
259 lio->done = qla2x00_async_logout_ctx_done;
260 rval = qla2x00_start_sp(sp);
261 if (rval != QLA_SUCCESS)
262 goto done_free_sp;
263
264 DEBUG2(printk(KERN_DEBUG
265 "scsi(%ld:%x): Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
266 fcport->vha->host_no, sp->handle, fcport->loop_id,
267 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
268 return rval;
269
270 done_free_sp:
271 lio->free(sp);
272 done:
273 return rval;
274 }
275
276 static void
277 qla2x00_async_adisc_ctx_done(srb_t *sp)
278 {
279 struct srb_ctx *ctx = sp->ctx;
280 struct srb_iocb *lio = ctx->u.iocb_cmd;
281
282 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
283 lio->u.logio.data);
284 lio->free(sp);
285 }
286
287 int
288 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
289 uint16_t *data)
290 {
291 srb_t *sp;
292 struct srb_ctx *ctx;
293 struct srb_iocb *lio;
294 int rval;
295
296 rval = QLA_FUNCTION_FAILED;
297 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
298 qla2x00_get_async_timeout(vha) + 2);
299 if (!sp)
300 goto done;
301
302 ctx = sp->ctx;
303 ctx->type = SRB_ADISC_CMD;
304 ctx->name = "adisc";
305 lio = ctx->u.iocb_cmd;
306 lio->timeout = qla2x00_async_iocb_timeout;
307 lio->done = qla2x00_async_adisc_ctx_done;
308 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
309 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
310 rval = qla2x00_start_sp(sp);
311 if (rval != QLA_SUCCESS)
312 goto done_free_sp;
313
314 DEBUG2(printk(KERN_DEBUG
315 "scsi(%ld:%x): Async-adisc - loop-id=%x portid=%02x%02x%02x.\n",
316 fcport->vha->host_no, sp->handle, fcport->loop_id,
317 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
318
319 return rval;
320
321 done_free_sp:
322 lio->free(sp);
323 done:
324 return rval;
325 }
326
327 static void
328 qla2x00_async_tm_cmd_ctx_done(srb_t *sp)
329 {
330 struct srb_ctx *ctx = sp->ctx;
331 struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
332
333 qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb);
334 iocb->free(sp);
335 }
336
337 int
338 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
339 uint32_t tag)
340 {
341 struct scsi_qla_host *vha = fcport->vha;
342 srb_t *sp;
343 struct srb_ctx *ctx;
344 struct srb_iocb *tcf;
345 int rval;
346
347 rval = QLA_FUNCTION_FAILED;
348 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
349 qla2x00_get_async_timeout(vha) + 2);
350 if (!sp)
351 goto done;
352
353 ctx = sp->ctx;
354 ctx->type = SRB_TM_CMD;
355 ctx->name = "tmf";
356 tcf = ctx->u.iocb_cmd;
357 tcf->u.tmf.flags = flags;
358 tcf->u.tmf.lun = lun;
359 tcf->u.tmf.data = tag;
360 tcf->timeout = qla2x00_async_iocb_timeout;
361 tcf->done = qla2x00_async_tm_cmd_ctx_done;
362
363 rval = qla2x00_start_sp(sp);
364 if (rval != QLA_SUCCESS)
365 goto done_free_sp;
366
367 DEBUG2(printk(KERN_DEBUG
368 "scsi(%ld:%x): Async-tmf - loop-id=%x portid=%02x%02x%02x.\n",
369 fcport->vha->host_no, sp->handle, fcport->loop_id,
370 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
371
372 return rval;
373
374 done_free_sp:
375 tcf->free(sp);
376 done:
377 return rval;
378 }
379
380 void
381 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
382 uint16_t *data)
383 {
384 int rval;
385
386 switch (data[0]) {
387 case MBS_COMMAND_COMPLETE:
388 if (fcport->flags & FCF_FCP2_DEVICE) {
389 fcport->flags |= FCF_ASYNC_SENT;
390 qla2x00_post_async_adisc_work(vha, fcport, data);
391 break;
392 }
393 qla2x00_update_fcport(vha, fcport);
394 break;
395 case MBS_COMMAND_ERROR:
396 fcport->flags &= ~FCF_ASYNC_SENT;
397 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
398 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
399 else
400 qla2x00_mark_device_lost(vha, fcport, 1, 1);
401 break;
402 case MBS_PORT_ID_USED:
403 fcport->loop_id = data[1];
404 qla2x00_post_async_logout_work(vha, fcport, NULL);
405 qla2x00_post_async_login_work(vha, fcport, NULL);
406 break;
407 case MBS_LOOP_ID_USED:
408 fcport->loop_id++;
409 rval = qla2x00_find_new_loop_id(vha, fcport);
410 if (rval != QLA_SUCCESS) {
411 fcport->flags &= ~FCF_ASYNC_SENT;
412 qla2x00_mark_device_lost(vha, fcport, 1, 1);
413 break;
414 }
415 qla2x00_post_async_login_work(vha, fcport, NULL);
416 break;
417 }
418 return;
419 }
420
421 void
422 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
423 uint16_t *data)
424 {
425 qla2x00_mark_device_lost(vha, fcport, 1, 0);
426 return;
427 }
428
429 void
430 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
431 uint16_t *data)
432 {
433 if (data[0] == MBS_COMMAND_COMPLETE) {
434 qla2x00_update_fcport(vha, fcport);
435
436 return;
437 }
438
439 /* Retry login. */
440 fcport->flags &= ~FCF_ASYNC_SENT;
441 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
442 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
443 else
444 qla2x00_mark_device_lost(vha, fcport, 1, 1);
445
446 return;
447 }
448
449 void
450 qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport,
451 struct srb_iocb *iocb)
452 {
453 int rval;
454 uint32_t flags;
455 uint16_t lun;
456
457 flags = iocb->u.tmf.flags;
458 lun = (uint16_t)iocb->u.tmf.lun;
459
460 /* Issue Marker IOCB */
461 rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
462 vha->hw->rsp_q_map[0], fcport->loop_id, lun,
463 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
464
465 if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
466 DEBUG2_3_11(printk(KERN_WARNING
467 "%s(%ld): TM IOCB failed (%x).\n",
468 __func__, vha->host_no, rval));
469 }
470
471 return;
472 }
473
474 /****************************************************************************/
475 /* QLogic ISP2x00 Hardware Support Functions. */
476 /****************************************************************************/
477
478 /*
479 * qla2x00_initialize_adapter
480 * Initialize board.
481 *
482 * Input:
483 * ha = adapter block pointer.
484 *
485 * Returns:
486 * 0 = success
487 */
488 int
489 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
490 {
491 int rval;
492 struct qla_hw_data *ha = vha->hw;
493 struct req_que *req = ha->req_q_map[0];
494
495 /* Clear adapter flags. */
496 vha->flags.online = 0;
497 ha->flags.chip_reset_done = 0;
498 vha->flags.reset_active = 0;
499 ha->flags.pci_channel_io_perm_failure = 0;
500 ha->flags.eeh_busy = 0;
501 ha->flags.thermal_supported = 1;
502 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
503 atomic_set(&vha->loop_state, LOOP_DOWN);
504 vha->device_flags = DFLG_NO_CABLE;
505 vha->dpc_flags = 0;
506 vha->flags.management_server_logged_in = 0;
507 vha->marker_needed = 0;
508 ha->isp_abort_cnt = 0;
509 ha->beacon_blink_led = 0;
510
511 set_bit(0, ha->req_qid_map);
512 set_bit(0, ha->rsp_qid_map);
513
514 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
515 rval = ha->isp_ops->pci_config(vha);
516 if (rval) {
517 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
518 vha->host_no));
519 return (rval);
520 }
521
522 ha->isp_ops->reset_chip(vha);
523
524 rval = qla2xxx_get_flash_info(vha);
525 if (rval) {
526 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
527 vha->host_no));
528 return (rval);
529 }
530
531 ha->isp_ops->get_flash_version(vha, req->ring);
532
533 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
534
535 ha->isp_ops->nvram_config(vha);
536
537 if (ha->flags.disable_serdes) {
538 /* Mask HBA via NVRAM settings? */
539 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
540 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
541 vha->port_name[0], vha->port_name[1],
542 vha->port_name[2], vha->port_name[3],
543 vha->port_name[4], vha->port_name[5],
544 vha->port_name[6], vha->port_name[7]);
545 return QLA_FUNCTION_FAILED;
546 }
547
548 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
549
550 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
551 rval = ha->isp_ops->chip_diag(vha);
552 if (rval)
553 return (rval);
554 rval = qla2x00_setup_chip(vha);
555 if (rval)
556 return (rval);
557 }
558
559 if (IS_QLA84XX(ha)) {
560 ha->cs84xx = qla84xx_get_chip(vha);
561 if (!ha->cs84xx) {
562 qla_printk(KERN_ERR, ha,
563 "Unable to configure ISP84XX.\n");
564 return QLA_FUNCTION_FAILED;
565 }
566 }
567 rval = qla2x00_init_rings(vha);
568 ha->flags.chip_reset_done = 1;
569
570 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
571 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
572 rval = qla84xx_init_chip(vha);
573 if (rval != QLA_SUCCESS) {
574 qla_printk(KERN_ERR, ha,
575 "Unable to initialize ISP84XX.\n");
576 qla84xx_put_chip(vha);
577 }
578 }
579
580 if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
581 qla24xx_read_fcp_prio_cfg(vha);
582
583 return (rval);
584 }
585
586 /**
587 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
588 * @ha: HA context
589 *
590 * Returns 0 on success.
591 */
592 int
593 qla2100_pci_config(scsi_qla_host_t *vha)
594 {
595 uint16_t w;
596 unsigned long flags;
597 struct qla_hw_data *ha = vha->hw;
598 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
599
600 pci_set_master(ha->pdev);
601 pci_try_set_mwi(ha->pdev);
602
603 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
604 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
605 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
606
607 pci_disable_rom(ha->pdev);
608
609 /* Get PCI bus information. */
610 spin_lock_irqsave(&ha->hardware_lock, flags);
611 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
612 spin_unlock_irqrestore(&ha->hardware_lock, flags);
613
614 return QLA_SUCCESS;
615 }
616
617 /**
618 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
619 * @ha: HA context
620 *
621 * Returns 0 on success.
622 */
623 int
624 qla2300_pci_config(scsi_qla_host_t *vha)
625 {
626 uint16_t w;
627 unsigned long flags = 0;
628 uint32_t cnt;
629 struct qla_hw_data *ha = vha->hw;
630 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
631
632 pci_set_master(ha->pdev);
633 pci_try_set_mwi(ha->pdev);
634
635 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
636 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
637
638 if (IS_QLA2322(ha) || IS_QLA6322(ha))
639 w &= ~PCI_COMMAND_INTX_DISABLE;
640 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
641
642 /*
643 * If this is a 2300 card and not 2312, reset the
644 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
645 * the 2310 also reports itself as a 2300 so we need to get the
646 * fb revision level -- a 6 indicates it really is a 2300 and
647 * not a 2310.
648 */
649 if (IS_QLA2300(ha)) {
650 spin_lock_irqsave(&ha->hardware_lock, flags);
651
652 /* Pause RISC. */
653 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
654 for (cnt = 0; cnt < 30000; cnt++) {
655 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
656 break;
657
658 udelay(10);
659 }
660
661 /* Select FPM registers. */
662 WRT_REG_WORD(&reg->ctrl_status, 0x20);
663 RD_REG_WORD(&reg->ctrl_status);
664
665 /* Get the fb rev level */
666 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
667
668 if (ha->fb_rev == FPM_2300)
669 pci_clear_mwi(ha->pdev);
670
671 /* Deselect FPM registers. */
672 WRT_REG_WORD(&reg->ctrl_status, 0x0);
673 RD_REG_WORD(&reg->ctrl_status);
674
675 /* Release RISC module. */
676 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
677 for (cnt = 0; cnt < 30000; cnt++) {
678 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
679 break;
680
681 udelay(10);
682 }
683
684 spin_unlock_irqrestore(&ha->hardware_lock, flags);
685 }
686
687 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
688
689 pci_disable_rom(ha->pdev);
690
691 /* Get PCI bus information. */
692 spin_lock_irqsave(&ha->hardware_lock, flags);
693 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
694 spin_unlock_irqrestore(&ha->hardware_lock, flags);
695
696 return QLA_SUCCESS;
697 }
698
699 /**
700 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
701 * @ha: HA context
702 *
703 * Returns 0 on success.
704 */
705 int
706 qla24xx_pci_config(scsi_qla_host_t *vha)
707 {
708 uint16_t w;
709 unsigned long flags = 0;
710 struct qla_hw_data *ha = vha->hw;
711 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
712
713 pci_set_master(ha->pdev);
714 pci_try_set_mwi(ha->pdev);
715
716 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
717 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
718 w &= ~PCI_COMMAND_INTX_DISABLE;
719 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
720
721 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
722
723 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
724 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
725 pcix_set_mmrbc(ha->pdev, 2048);
726
727 /* PCIe -- adjust Maximum Read Request Size (2048). */
728 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
729 pcie_set_readrq(ha->pdev, 2048);
730
731 pci_disable_rom(ha->pdev);
732
733 ha->chip_revision = ha->pdev->revision;
734
735 /* Get PCI bus information. */
736 spin_lock_irqsave(&ha->hardware_lock, flags);
737 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
738 spin_unlock_irqrestore(&ha->hardware_lock, flags);
739
740 return QLA_SUCCESS;
741 }
742
743 /**
744 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
745 * @ha: HA context
746 *
747 * Returns 0 on success.
748 */
749 int
750 qla25xx_pci_config(scsi_qla_host_t *vha)
751 {
752 uint16_t w;
753 struct qla_hw_data *ha = vha->hw;
754
755 pci_set_master(ha->pdev);
756 pci_try_set_mwi(ha->pdev);
757
758 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
759 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
760 w &= ~PCI_COMMAND_INTX_DISABLE;
761 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
762
763 /* PCIe -- adjust Maximum Read Request Size (2048). */
764 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
765 pcie_set_readrq(ha->pdev, 2048);
766
767 pci_disable_rom(ha->pdev);
768
769 ha->chip_revision = ha->pdev->revision;
770
771 return QLA_SUCCESS;
772 }
773
774 /**
775 * qla2x00_isp_firmware() - Choose firmware image.
776 * @ha: HA context
777 *
778 * Returns 0 on success.
779 */
780 static int
781 qla2x00_isp_firmware(scsi_qla_host_t *vha)
782 {
783 int rval;
784 uint16_t loop_id, topo, sw_cap;
785 uint8_t domain, area, al_pa;
786 struct qla_hw_data *ha = vha->hw;
787
788 /* Assume loading risc code */
789 rval = QLA_FUNCTION_FAILED;
790
791 if (ha->flags.disable_risc_code_load) {
792 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
793 vha->host_no));
794 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
795
796 /* Verify checksum of loaded RISC code. */
797 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
798 if (rval == QLA_SUCCESS) {
799 /* And, verify we are not in ROM code. */
800 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
801 &area, &domain, &topo, &sw_cap);
802 }
803 }
804
805 if (rval) {
806 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
807 vha->host_no));
808 }
809
810 return (rval);
811 }
812
813 /**
814 * qla2x00_reset_chip() - Reset ISP chip.
815 * @ha: HA context
816 *
817 * Returns 0 on success.
818 */
819 void
820 qla2x00_reset_chip(scsi_qla_host_t *vha)
821 {
822 unsigned long flags = 0;
823 struct qla_hw_data *ha = vha->hw;
824 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
825 uint32_t cnt;
826 uint16_t cmd;
827
828 if (unlikely(pci_channel_offline(ha->pdev)))
829 return;
830
831 ha->isp_ops->disable_intrs(ha);
832
833 spin_lock_irqsave(&ha->hardware_lock, flags);
834
835 /* Turn off master enable */
836 cmd = 0;
837 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
838 cmd &= ~PCI_COMMAND_MASTER;
839 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
840
841 if (!IS_QLA2100(ha)) {
842 /* Pause RISC. */
843 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
844 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
845 for (cnt = 0; cnt < 30000; cnt++) {
846 if ((RD_REG_WORD(&reg->hccr) &
847 HCCR_RISC_PAUSE) != 0)
848 break;
849 udelay(100);
850 }
851 } else {
852 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
853 udelay(10);
854 }
855
856 /* Select FPM registers. */
857 WRT_REG_WORD(&reg->ctrl_status, 0x20);
858 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
859
860 /* FPM Soft Reset. */
861 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
862 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
863
864 /* Toggle Fpm Reset. */
865 if (!IS_QLA2200(ha)) {
866 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
867 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
868 }
869
870 /* Select frame buffer registers. */
871 WRT_REG_WORD(&reg->ctrl_status, 0x10);
872 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
873
874 /* Reset frame buffer FIFOs. */
875 if (IS_QLA2200(ha)) {
876 WRT_FB_CMD_REG(ha, reg, 0xa000);
877 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
878 } else {
879 WRT_FB_CMD_REG(ha, reg, 0x00fc);
880
881 /* Read back fb_cmd until zero or 3 seconds max */
882 for (cnt = 0; cnt < 3000; cnt++) {
883 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
884 break;
885 udelay(100);
886 }
887 }
888
889 /* Select RISC module registers. */
890 WRT_REG_WORD(&reg->ctrl_status, 0);
891 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
892
893 /* Reset RISC processor. */
894 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
895 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
896
897 /* Release RISC processor. */
898 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
899 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
900 }
901
902 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
903 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
904
905 /* Reset ISP chip. */
906 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
907
908 /* Wait for RISC to recover from reset. */
909 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
910 /*
911 * It is necessary to for a delay here since the card doesn't
912 * respond to PCI reads during a reset. On some architectures
913 * this will result in an MCA.
914 */
915 udelay(20);
916 for (cnt = 30000; cnt; cnt--) {
917 if ((RD_REG_WORD(&reg->ctrl_status) &
918 CSR_ISP_SOFT_RESET) == 0)
919 break;
920 udelay(100);
921 }
922 } else
923 udelay(10);
924
925 /* Reset RISC processor. */
926 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
927
928 WRT_REG_WORD(&reg->semaphore, 0);
929
930 /* Release RISC processor. */
931 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
932 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
933
934 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
935 for (cnt = 0; cnt < 30000; cnt++) {
936 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
937 break;
938
939 udelay(100);
940 }
941 } else
942 udelay(100);
943
944 /* Turn on master enable */
945 cmd |= PCI_COMMAND_MASTER;
946 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
947
948 /* Disable RISC pause on FPM parity error. */
949 if (!IS_QLA2100(ha)) {
950 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
951 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
952 }
953
954 spin_unlock_irqrestore(&ha->hardware_lock, flags);
955 }
956
957 /**
958 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
959 *
960 * Returns 0 on success.
961 */
962 int
963 qla81xx_reset_mpi(scsi_qla_host_t *vha)
964 {
965 uint16_t mb[4] = {0x1010, 0, 1, 0};
966
967 return qla81xx_write_mpi_register(vha, mb);
968 }
969
970 /**
971 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
972 * @ha: HA context
973 *
974 * Returns 0 on success.
975 */
976 static inline void
977 qla24xx_reset_risc(scsi_qla_host_t *vha)
978 {
979 unsigned long flags = 0;
980 struct qla_hw_data *ha = vha->hw;
981 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
982 uint32_t cnt, d2;
983 uint16_t wd;
984 static int abts_cnt; /* ISP abort retry counts */
985
986 spin_lock_irqsave(&ha->hardware_lock, flags);
987
988 /* Reset RISC. */
989 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
990 for (cnt = 0; cnt < 30000; cnt++) {
991 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
992 break;
993
994 udelay(10);
995 }
996
997 WRT_REG_DWORD(&reg->ctrl_status,
998 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
999 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1000
1001 udelay(100);
1002 /* Wait for firmware to complete NVRAM accesses. */
1003 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1004 for (cnt = 10000 ; cnt && d2; cnt--) {
1005 udelay(5);
1006 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1007 barrier();
1008 }
1009
1010 /* Wait for soft-reset to complete. */
1011 d2 = RD_REG_DWORD(&reg->ctrl_status);
1012 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1013 udelay(5);
1014 d2 = RD_REG_DWORD(&reg->ctrl_status);
1015 barrier();
1016 }
1017
1018 /* If required, do an MPI FW reset now */
1019 if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1020 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1021 if (++abts_cnt < 5) {
1022 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1023 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1024 } else {
1025 /*
1026 * We exhausted the ISP abort retries. We have to
1027 * set the board offline.
1028 */
1029 abts_cnt = 0;
1030 vha->flags.online = 0;
1031 }
1032 }
1033 }
1034
1035 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1036 RD_REG_DWORD(&reg->hccr);
1037
1038 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1039 RD_REG_DWORD(&reg->hccr);
1040
1041 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1042 RD_REG_DWORD(&reg->hccr);
1043
1044 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1045 for (cnt = 6000000 ; cnt && d2; cnt--) {
1046 udelay(5);
1047 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1048 barrier();
1049 }
1050
1051 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1052
1053 if (IS_NOPOLLING_TYPE(ha))
1054 ha->isp_ops->enable_intrs(ha);
1055 }
1056
1057 /**
1058 * qla24xx_reset_chip() - Reset ISP24xx chip.
1059 * @ha: HA context
1060 *
1061 * Returns 0 on success.
1062 */
1063 void
1064 qla24xx_reset_chip(scsi_qla_host_t *vha)
1065 {
1066 struct qla_hw_data *ha = vha->hw;
1067
1068 if (pci_channel_offline(ha->pdev) &&
1069 ha->flags.pci_channel_io_perm_failure) {
1070 return;
1071 }
1072
1073 ha->isp_ops->disable_intrs(ha);
1074
1075 /* Perform RISC reset. */
1076 qla24xx_reset_risc(vha);
1077 }
1078
1079 /**
1080 * qla2x00_chip_diag() - Test chip for proper operation.
1081 * @ha: HA context
1082 *
1083 * Returns 0 on success.
1084 */
1085 int
1086 qla2x00_chip_diag(scsi_qla_host_t *vha)
1087 {
1088 int rval;
1089 struct qla_hw_data *ha = vha->hw;
1090 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1091 unsigned long flags = 0;
1092 uint16_t data;
1093 uint32_t cnt;
1094 uint16_t mb[5];
1095 struct req_que *req = ha->req_q_map[0];
1096
1097 /* Assume a failed state */
1098 rval = QLA_FUNCTION_FAILED;
1099
1100 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
1101 vha->host_no, (u_long)&reg->flash_address));
1102
1103 spin_lock_irqsave(&ha->hardware_lock, flags);
1104
1105 /* Reset ISP chip. */
1106 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1107
1108 /*
1109 * We need to have a delay here since the card will not respond while
1110 * in reset causing an MCA on some architectures.
1111 */
1112 udelay(20);
1113 data = qla2x00_debounce_register(&reg->ctrl_status);
1114 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1115 udelay(5);
1116 data = RD_REG_WORD(&reg->ctrl_status);
1117 barrier();
1118 }
1119
1120 if (!cnt)
1121 goto chip_diag_failed;
1122
1123 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
1124 vha->host_no));
1125
1126 /* Reset RISC processor. */
1127 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1128 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1129
1130 /* Workaround for QLA2312 PCI parity error */
1131 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1132 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1133 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1134 udelay(5);
1135 data = RD_MAILBOX_REG(ha, reg, 0);
1136 barrier();
1137 }
1138 } else
1139 udelay(10);
1140
1141 if (!cnt)
1142 goto chip_diag_failed;
1143
1144 /* Check product ID of chip */
1145 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
1146
1147 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1148 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1149 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1150 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1151 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1152 mb[3] != PROD_ID_3) {
1153 qla_printk(KERN_WARNING, ha,
1154 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
1155
1156 goto chip_diag_failed;
1157 }
1158 ha->product_id[0] = mb[1];
1159 ha->product_id[1] = mb[2];
1160 ha->product_id[2] = mb[3];
1161 ha->product_id[3] = mb[4];
1162
1163 /* Adjust fw RISC transfer size */
1164 if (req->length > 1024)
1165 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1166 else
1167 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1168 req->length;
1169
1170 if (IS_QLA2200(ha) &&
1171 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1172 /* Limit firmware transfer size with a 2200A */
1173 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
1174 vha->host_no));
1175
1176 ha->device_type |= DT_ISP2200A;
1177 ha->fw_transfer_size = 128;
1178 }
1179
1180 /* Wrap Incoming Mailboxes Test. */
1181 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1182
1183 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
1184 rval = qla2x00_mbx_reg_test(vha);
1185 if (rval) {
1186 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1187 vha->host_no));
1188 qla_printk(KERN_WARNING, ha,
1189 "Failed mailbox send register test\n");
1190 }
1191 else {
1192 /* Flag a successful rval */
1193 rval = QLA_SUCCESS;
1194 }
1195 spin_lock_irqsave(&ha->hardware_lock, flags);
1196
1197 chip_diag_failed:
1198 if (rval)
1199 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
1200 "****\n", vha->host_no));
1201
1202 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1203
1204 return (rval);
1205 }
1206
1207 /**
1208 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1209 * @ha: HA context
1210 *
1211 * Returns 0 on success.
1212 */
1213 int
1214 qla24xx_chip_diag(scsi_qla_host_t *vha)
1215 {
1216 int rval;
1217 struct qla_hw_data *ha = vha->hw;
1218 struct req_que *req = ha->req_q_map[0];
1219
1220 if (IS_QLA82XX(ha))
1221 return QLA_SUCCESS;
1222
1223 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1224
1225 rval = qla2x00_mbx_reg_test(vha);
1226 if (rval) {
1227 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1228 vha->host_no));
1229 qla_printk(KERN_WARNING, ha,
1230 "Failed mailbox send register test\n");
1231 } else {
1232 /* Flag a successful rval */
1233 rval = QLA_SUCCESS;
1234 }
1235
1236 return rval;
1237 }
1238
1239 void
1240 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1241 {
1242 int rval;
1243 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1244 eft_size, fce_size, mq_size;
1245 dma_addr_t tc_dma;
1246 void *tc;
1247 struct qla_hw_data *ha = vha->hw;
1248 struct req_que *req = ha->req_q_map[0];
1249 struct rsp_que *rsp = ha->rsp_q_map[0];
1250
1251 if (ha->fw_dump) {
1252 qla_printk(KERN_WARNING, ha,
1253 "Firmware dump previously allocated.\n");
1254 return;
1255 }
1256
1257 ha->fw_dumped = 0;
1258 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1259 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1260 fixed_size = sizeof(struct qla2100_fw_dump);
1261 } else if (IS_QLA23XX(ha)) {
1262 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1263 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1264 sizeof(uint16_t);
1265 } else if (IS_FWI2_CAPABLE(ha)) {
1266 if (IS_QLA81XX(ha))
1267 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1268 else if (IS_QLA25XX(ha))
1269 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1270 else
1271 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1272 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1273 sizeof(uint32_t);
1274 if (ha->mqenable)
1275 mq_size = sizeof(struct qla2xxx_mq_chain);
1276 /* Allocate memory for Fibre Channel Event Buffer. */
1277 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1278 goto try_eft;
1279
1280 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1281 GFP_KERNEL);
1282 if (!tc) {
1283 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1284 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
1285 goto try_eft;
1286 }
1287
1288 memset(tc, 0, FCE_SIZE);
1289 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1290 ha->fce_mb, &ha->fce_bufs);
1291 if (rval) {
1292 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1293 "FCE (%d).\n", rval);
1294 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1295 tc_dma);
1296 ha->flags.fce_enabled = 0;
1297 goto try_eft;
1298 }
1299
1300 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1301 FCE_SIZE / 1024);
1302
1303 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1304 ha->flags.fce_enabled = 1;
1305 ha->fce_dma = tc_dma;
1306 ha->fce = tc;
1307 try_eft:
1308 /* Allocate memory for Extended Trace Buffer. */
1309 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1310 GFP_KERNEL);
1311 if (!tc) {
1312 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1313 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1314 goto cont_alloc;
1315 }
1316
1317 memset(tc, 0, EFT_SIZE);
1318 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1319 if (rval) {
1320 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1321 "EFT (%d).\n", rval);
1322 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1323 tc_dma);
1324 goto cont_alloc;
1325 }
1326
1327 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1328 EFT_SIZE / 1024);
1329
1330 eft_size = EFT_SIZE;
1331 ha->eft_dma = tc_dma;
1332 ha->eft = tc;
1333 }
1334 cont_alloc:
1335 req_q_size = req->length * sizeof(request_t);
1336 rsp_q_size = rsp->length * sizeof(response_t);
1337
1338 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1339 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1340 ha->chain_offset = dump_size;
1341 dump_size += mq_size + fce_size;
1342
1343 ha->fw_dump = vmalloc(dump_size);
1344 if (!ha->fw_dump) {
1345 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1346 "firmware dump!!!\n", dump_size / 1024);
1347
1348 if (ha->fce) {
1349 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1350 ha->fce_dma);
1351 ha->fce = NULL;
1352 ha->fce_dma = 0;
1353 }
1354
1355 if (ha->eft) {
1356 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1357 ha->eft_dma);
1358 ha->eft = NULL;
1359 ha->eft_dma = 0;
1360 }
1361 return;
1362 }
1363 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1364 dump_size / 1024);
1365
1366 ha->fw_dump_len = dump_size;
1367 ha->fw_dump->signature[0] = 'Q';
1368 ha->fw_dump->signature[1] = 'L';
1369 ha->fw_dump->signature[2] = 'G';
1370 ha->fw_dump->signature[3] = 'C';
1371 ha->fw_dump->version = __constant_htonl(1);
1372
1373 ha->fw_dump->fixed_size = htonl(fixed_size);
1374 ha->fw_dump->mem_size = htonl(mem_size);
1375 ha->fw_dump->req_q_size = htonl(req_q_size);
1376 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1377
1378 ha->fw_dump->eft_size = htonl(eft_size);
1379 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1380 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1381
1382 ha->fw_dump->header_size =
1383 htonl(offsetof(struct qla2xxx_fw_dump, isp));
1384 }
1385
1386 static int
1387 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1388 {
1389 #define MPS_MASK 0xe0
1390 int rval;
1391 uint16_t dc;
1392 uint32_t dw;
1393 struct qla_hw_data *ha = vha->hw;
1394
1395 if (!IS_QLA81XX(vha->hw))
1396 return QLA_SUCCESS;
1397
1398 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1399 if (rval != QLA_SUCCESS) {
1400 DEBUG2(qla_printk(KERN_WARNING, ha,
1401 "Sync-MPI: Unable to acquire semaphore.\n"));
1402 goto done;
1403 }
1404
1405 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1406 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1407 if (rval != QLA_SUCCESS) {
1408 DEBUG2(qla_printk(KERN_WARNING, ha,
1409 "Sync-MPI: Unable to read sync.\n"));
1410 goto done_release;
1411 }
1412
1413 dc &= MPS_MASK;
1414 if (dc == (dw & MPS_MASK))
1415 goto done_release;
1416
1417 dw &= ~MPS_MASK;
1418 dw |= dc;
1419 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1420 if (rval != QLA_SUCCESS) {
1421 DEBUG2(qla_printk(KERN_WARNING, ha,
1422 "Sync-MPI: Unable to gain sync.\n"));
1423 }
1424
1425 done_release:
1426 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1427 if (rval != QLA_SUCCESS) {
1428 DEBUG2(qla_printk(KERN_WARNING, ha,
1429 "Sync-MPI: Unable to release semaphore.\n"));
1430 }
1431
1432 done:
1433 return rval;
1434 }
1435
1436 /**
1437 * qla2x00_setup_chip() - Load and start RISC firmware.
1438 * @ha: HA context
1439 *
1440 * Returns 0 on success.
1441 */
1442 static int
1443 qla2x00_setup_chip(scsi_qla_host_t *vha)
1444 {
1445 int rval;
1446 uint32_t srisc_address = 0;
1447 struct qla_hw_data *ha = vha->hw;
1448 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1449 unsigned long flags;
1450 uint16_t fw_major_version;
1451
1452 if (IS_QLA82XX(ha)) {
1453 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1454 if (rval == QLA_SUCCESS) {
1455 qla2x00_stop_firmware(vha);
1456 goto enable_82xx_npiv;
1457 } else
1458 goto failed;
1459 }
1460
1461 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1462 /* Disable SRAM, Instruction RAM and GP RAM parity. */
1463 spin_lock_irqsave(&ha->hardware_lock, flags);
1464 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1465 RD_REG_WORD(&reg->hccr);
1466 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1467 }
1468
1469 qla81xx_mpi_sync(vha);
1470
1471 /* Load firmware sequences */
1472 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1473 if (rval == QLA_SUCCESS) {
1474 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1475 "code.\n", vha->host_no));
1476
1477 rval = qla2x00_verify_checksum(vha, srisc_address);
1478 if (rval == QLA_SUCCESS) {
1479 /* Start firmware execution. */
1480 DEBUG(printk("scsi(%ld): Checksum OK, start "
1481 "firmware.\n", vha->host_no));
1482
1483 rval = qla2x00_execute_fw(vha, srisc_address);
1484 /* Retrieve firmware information. */
1485 if (rval == QLA_SUCCESS) {
1486 enable_82xx_npiv:
1487 fw_major_version = ha->fw_major_version;
1488 rval = qla2x00_get_fw_version(vha,
1489 &ha->fw_major_version,
1490 &ha->fw_minor_version,
1491 &ha->fw_subminor_version,
1492 &ha->fw_attributes, &ha->fw_memory_size,
1493 ha->mpi_version, &ha->mpi_capabilities,
1494 ha->phy_version);
1495 if (rval != QLA_SUCCESS)
1496 goto failed;
1497 ha->flags.npiv_supported = 0;
1498 if (IS_QLA2XXX_MIDTYPE(ha) &&
1499 (ha->fw_attributes & BIT_2)) {
1500 ha->flags.npiv_supported = 1;
1501 if ((!ha->max_npiv_vports) ||
1502 ((ha->max_npiv_vports + 1) %
1503 MIN_MULTI_ID_FABRIC))
1504 ha->max_npiv_vports =
1505 MIN_MULTI_ID_FABRIC - 1;
1506 }
1507 qla2x00_get_resource_cnts(vha, NULL,
1508 &ha->fw_xcb_count, NULL, NULL,
1509 &ha->max_npiv_vports, NULL);
1510
1511 if (!fw_major_version && ql2xallocfwdump) {
1512 if (!IS_QLA82XX(ha))
1513 qla2x00_alloc_fw_dump(vha);
1514 }
1515 }
1516 } else {
1517 DEBUG2(printk(KERN_INFO
1518 "scsi(%ld): ISP Firmware failed checksum.\n",
1519 vha->host_no));
1520 }
1521 }
1522
1523 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1524 /* Enable proper parity. */
1525 spin_lock_irqsave(&ha->hardware_lock, flags);
1526 if (IS_QLA2300(ha))
1527 /* SRAM parity */
1528 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1529 else
1530 /* SRAM, Instruction RAM and GP RAM parity */
1531 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1532 RD_REG_WORD(&reg->hccr);
1533 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1534 }
1535
1536 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1537 uint32_t size;
1538
1539 rval = qla81xx_fac_get_sector_size(vha, &size);
1540 if (rval == QLA_SUCCESS) {
1541 ha->flags.fac_supported = 1;
1542 ha->fdt_block_size = size << 2;
1543 } else {
1544 qla_printk(KERN_ERR, ha,
1545 "Unsupported FAC firmware (%d.%02d.%02d).\n",
1546 ha->fw_major_version, ha->fw_minor_version,
1547 ha->fw_subminor_version);
1548 }
1549 }
1550 failed:
1551 if (rval) {
1552 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1553 vha->host_no));
1554 }
1555
1556 return (rval);
1557 }
1558
1559 /**
1560 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1561 * @ha: HA context
1562 *
1563 * Beginning of request ring has initialization control block already built
1564 * by nvram config routine.
1565 *
1566 * Returns 0 on success.
1567 */
1568 void
1569 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1570 {
1571 uint16_t cnt;
1572 response_t *pkt;
1573
1574 rsp->ring_ptr = rsp->ring;
1575 rsp->ring_index = 0;
1576 rsp->status_srb = NULL;
1577 pkt = rsp->ring_ptr;
1578 for (cnt = 0; cnt < rsp->length; cnt++) {
1579 pkt->signature = RESPONSE_PROCESSED;
1580 pkt++;
1581 }
1582 }
1583
1584 /**
1585 * qla2x00_update_fw_options() - Read and process firmware options.
1586 * @ha: HA context
1587 *
1588 * Returns 0 on success.
1589 */
1590 void
1591 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1592 {
1593 uint16_t swing, emphasis, tx_sens, rx_sens;
1594 struct qla_hw_data *ha = vha->hw;
1595
1596 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1597 qla2x00_get_fw_options(vha, ha->fw_options);
1598
1599 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1600 return;
1601
1602 /* Serial Link options. */
1603 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1604 vha->host_no));
1605 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1606 sizeof(ha->fw_seriallink_options)));
1607
1608 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1609 if (ha->fw_seriallink_options[3] & BIT_2) {
1610 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1611
1612 /* 1G settings */
1613 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1614 emphasis = (ha->fw_seriallink_options[2] &
1615 (BIT_4 | BIT_3)) >> 3;
1616 tx_sens = ha->fw_seriallink_options[0] &
1617 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1618 rx_sens = (ha->fw_seriallink_options[0] &
1619 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1620 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1621 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1622 if (rx_sens == 0x0)
1623 rx_sens = 0x3;
1624 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1625 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1626 ha->fw_options[10] |= BIT_5 |
1627 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1628 (tx_sens & (BIT_1 | BIT_0));
1629
1630 /* 2G settings */
1631 swing = (ha->fw_seriallink_options[2] &
1632 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1633 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1634 tx_sens = ha->fw_seriallink_options[1] &
1635 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1636 rx_sens = (ha->fw_seriallink_options[1] &
1637 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1638 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1639 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1640 if (rx_sens == 0x0)
1641 rx_sens = 0x3;
1642 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1643 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1644 ha->fw_options[11] |= BIT_5 |
1645 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1646 (tx_sens & (BIT_1 | BIT_0));
1647 }
1648
1649 /* FCP2 options. */
1650 /* Return command IOCBs without waiting for an ABTS to complete. */
1651 ha->fw_options[3] |= BIT_13;
1652
1653 /* LED scheme. */
1654 if (ha->flags.enable_led_scheme)
1655 ha->fw_options[2] |= BIT_12;
1656
1657 /* Detect ISP6312. */
1658 if (IS_QLA6312(ha))
1659 ha->fw_options[2] |= BIT_13;
1660
1661 /* Update firmware options. */
1662 qla2x00_set_fw_options(vha, ha->fw_options);
1663 }
1664
1665 void
1666 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1667 {
1668 int rval;
1669 struct qla_hw_data *ha = vha->hw;
1670
1671 if (IS_QLA82XX(ha))
1672 return;
1673
1674 /* Update Serial Link options. */
1675 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1676 return;
1677
1678 rval = qla2x00_set_serdes_params(vha,
1679 le16_to_cpu(ha->fw_seriallink_options24[1]),
1680 le16_to_cpu(ha->fw_seriallink_options24[2]),
1681 le16_to_cpu(ha->fw_seriallink_options24[3]));
1682 if (rval != QLA_SUCCESS) {
1683 qla_printk(KERN_WARNING, ha,
1684 "Unable to update Serial Link options (%x).\n", rval);
1685 }
1686 }
1687
1688 void
1689 qla2x00_config_rings(struct scsi_qla_host *vha)
1690 {
1691 struct qla_hw_data *ha = vha->hw;
1692 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1693 struct req_que *req = ha->req_q_map[0];
1694 struct rsp_que *rsp = ha->rsp_q_map[0];
1695
1696 /* Setup ring parameters in initialization control block. */
1697 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1698 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1699 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1700 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1701 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1702 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1703 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1704 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1705
1706 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1707 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1708 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1709 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1710 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1711 }
1712
1713 void
1714 qla24xx_config_rings(struct scsi_qla_host *vha)
1715 {
1716 struct qla_hw_data *ha = vha->hw;
1717 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1718 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1719 struct qla_msix_entry *msix;
1720 struct init_cb_24xx *icb;
1721 uint16_t rid = 0;
1722 struct req_que *req = ha->req_q_map[0];
1723 struct rsp_que *rsp = ha->rsp_q_map[0];
1724
1725 /* Setup ring parameters in initialization control block. */
1726 icb = (struct init_cb_24xx *)ha->init_cb;
1727 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1728 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1729 icb->request_q_length = cpu_to_le16(req->length);
1730 icb->response_q_length = cpu_to_le16(rsp->length);
1731 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1732 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1733 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1734 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1735
1736 if (ha->mqenable) {
1737 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1738 icb->rid = __constant_cpu_to_le16(rid);
1739 if (ha->flags.msix_enabled) {
1740 msix = &ha->msix_entries[1];
1741 DEBUG2_17(printk(KERN_INFO
1742 "Registering vector 0x%x for base que\n", msix->entry));
1743 icb->msix = cpu_to_le16(msix->entry);
1744 }
1745 /* Use alternate PCI bus number */
1746 if (MSB(rid))
1747 icb->firmware_options_2 |=
1748 __constant_cpu_to_le32(BIT_19);
1749 /* Use alternate PCI devfn */
1750 if (LSB(rid))
1751 icb->firmware_options_2 |=
1752 __constant_cpu_to_le32(BIT_18);
1753
1754 /* Use Disable MSIX Handshake mode for capable adapters */
1755 if (IS_MSIX_NACK_CAPABLE(ha)) {
1756 icb->firmware_options_2 &=
1757 __constant_cpu_to_le32(~BIT_22);
1758 ha->flags.disable_msix_handshake = 1;
1759 qla_printk(KERN_INFO, ha,
1760 "MSIX Handshake Disable Mode turned on\n");
1761 } else {
1762 icb->firmware_options_2 |=
1763 __constant_cpu_to_le32(BIT_22);
1764 }
1765 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1766
1767 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1768 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1769 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1770 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1771 } else {
1772 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1773 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1774 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1775 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1776 }
1777 /* PCI posting */
1778 RD_REG_DWORD(&ioreg->hccr);
1779 }
1780
1781 /**
1782 * qla2x00_init_rings() - Initializes firmware.
1783 * @ha: HA context
1784 *
1785 * Beginning of request ring has initialization control block already built
1786 * by nvram config routine.
1787 *
1788 * Returns 0 on success.
1789 */
1790 static int
1791 qla2x00_init_rings(scsi_qla_host_t *vha)
1792 {
1793 int rval;
1794 unsigned long flags = 0;
1795 int cnt, que;
1796 struct qla_hw_data *ha = vha->hw;
1797 struct req_que *req;
1798 struct rsp_que *rsp;
1799 struct scsi_qla_host *vp;
1800 struct mid_init_cb_24xx *mid_init_cb =
1801 (struct mid_init_cb_24xx *) ha->init_cb;
1802
1803 spin_lock_irqsave(&ha->hardware_lock, flags);
1804
1805 /* Clear outstanding commands array. */
1806 for (que = 0; que < ha->max_req_queues; que++) {
1807 req = ha->req_q_map[que];
1808 if (!req)
1809 continue;
1810 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1811 req->outstanding_cmds[cnt] = NULL;
1812
1813 req->current_outstanding_cmd = 1;
1814
1815 /* Initialize firmware. */
1816 req->ring_ptr = req->ring;
1817 req->ring_index = 0;
1818 req->cnt = req->length;
1819 }
1820
1821 for (que = 0; que < ha->max_rsp_queues; que++) {
1822 rsp = ha->rsp_q_map[que];
1823 if (!rsp)
1824 continue;
1825 /* Initialize response queue entries */
1826 qla2x00_init_response_q_entries(rsp);
1827 }
1828
1829 spin_lock(&ha->vport_slock);
1830 /* Clear RSCN queue. */
1831 list_for_each_entry(vp, &ha->vp_list, list) {
1832 vp->rscn_in_ptr = 0;
1833 vp->rscn_out_ptr = 0;
1834 }
1835
1836 spin_unlock(&ha->vport_slock);
1837
1838 ha->isp_ops->config_rings(vha);
1839
1840 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1841
1842 /* Update any ISP specific firmware options before initialization. */
1843 ha->isp_ops->update_fw_options(vha);
1844
1845 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1846
1847 if (ha->flags.npiv_supported) {
1848 if (ha->operating_mode == LOOP)
1849 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1850 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1851 }
1852
1853 if (IS_FWI2_CAPABLE(ha)) {
1854 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1855 mid_init_cb->init_cb.execution_throttle =
1856 cpu_to_le16(ha->fw_xcb_count);
1857 }
1858
1859 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1860 if (rval) {
1861 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1862 vha->host_no));
1863 } else {
1864 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1865 vha->host_no));
1866 }
1867
1868 return (rval);
1869 }
1870
1871 /**
1872 * qla2x00_fw_ready() - Waits for firmware ready.
1873 * @ha: HA context
1874 *
1875 * Returns 0 on success.
1876 */
1877 static int
1878 qla2x00_fw_ready(scsi_qla_host_t *vha)
1879 {
1880 int rval;
1881 unsigned long wtime, mtime, cs84xx_time;
1882 uint16_t min_wait; /* Minimum wait time if loop is down */
1883 uint16_t wait_time; /* Wait time if loop is coming ready */
1884 uint16_t state[5];
1885 struct qla_hw_data *ha = vha->hw;
1886
1887 rval = QLA_SUCCESS;
1888
1889 /* 20 seconds for loop down. */
1890 min_wait = 20;
1891
1892 /*
1893 * Firmware should take at most one RATOV to login, plus 5 seconds for
1894 * our own processing.
1895 */
1896 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1897 wait_time = min_wait;
1898 }
1899
1900 /* Min wait time if loop down */
1901 mtime = jiffies + (min_wait * HZ);
1902
1903 /* wait time before firmware ready */
1904 wtime = jiffies + (wait_time * HZ);
1905
1906 /* Wait for ISP to finish LIP */
1907 if (!vha->flags.init_done)
1908 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1909
1910 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1911 vha->host_no));
1912
1913 do {
1914 rval = qla2x00_get_firmware_state(vha, state);
1915 if (rval == QLA_SUCCESS) {
1916 if (state[0] < FSTATE_LOSS_OF_SYNC) {
1917 vha->device_flags &= ~DFLG_NO_CABLE;
1918 }
1919 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1920 DEBUG16(printk("scsi(%ld): fw_state=%x "
1921 "84xx=%x.\n", vha->host_no, state[0],
1922 state[2]));
1923 if ((state[2] & FSTATE_LOGGED_IN) &&
1924 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1925 DEBUG16(printk("scsi(%ld): Sending "
1926 "verify iocb.\n", vha->host_no));
1927
1928 cs84xx_time = jiffies;
1929 rval = qla84xx_init_chip(vha);
1930 if (rval != QLA_SUCCESS)
1931 break;
1932
1933 /* Add time taken to initialize. */
1934 cs84xx_time = jiffies - cs84xx_time;
1935 wtime += cs84xx_time;
1936 mtime += cs84xx_time;
1937 DEBUG16(printk("scsi(%ld): Increasing "
1938 "wait time by %ld. New time %ld\n",
1939 vha->host_no, cs84xx_time, wtime));
1940 }
1941 } else if (state[0] == FSTATE_READY) {
1942 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1943 vha->host_no));
1944
1945 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1946 &ha->login_timeout, &ha->r_a_tov);
1947
1948 rval = QLA_SUCCESS;
1949 break;
1950 }
1951
1952 rval = QLA_FUNCTION_FAILED;
1953
1954 if (atomic_read(&vha->loop_down_timer) &&
1955 state[0] != FSTATE_READY) {
1956 /* Loop down. Timeout on min_wait for states
1957 * other than Wait for Login.
1958 */
1959 if (time_after_eq(jiffies, mtime)) {
1960 qla_printk(KERN_INFO, ha,
1961 "Cable is unplugged...\n");
1962
1963 vha->device_flags |= DFLG_NO_CABLE;
1964 break;
1965 }
1966 }
1967 } else {
1968 /* Mailbox cmd failed. Timeout on min_wait. */
1969 if (time_after_eq(jiffies, mtime) ||
1970 ha->flags.isp82xx_fw_hung)
1971 break;
1972 }
1973
1974 if (time_after_eq(jiffies, wtime))
1975 break;
1976
1977 /* Delay for a while */
1978 msleep(500);
1979
1980 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1981 vha->host_no, state[0], jiffies));
1982 } while (1);
1983
1984 DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1985 vha->host_no, state[0], state[1], state[2], state[3], state[4],
1986 jiffies));
1987
1988 if (rval) {
1989 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1990 vha->host_no));
1991 }
1992
1993 return (rval);
1994 }
1995
1996 /*
1997 * qla2x00_configure_hba
1998 * Setup adapter context.
1999 *
2000 * Input:
2001 * ha = adapter state pointer.
2002 *
2003 * Returns:
2004 * 0 = success
2005 *
2006 * Context:
2007 * Kernel context.
2008 */
2009 static int
2010 qla2x00_configure_hba(scsi_qla_host_t *vha)
2011 {
2012 int rval;
2013 uint16_t loop_id;
2014 uint16_t topo;
2015 uint16_t sw_cap;
2016 uint8_t al_pa;
2017 uint8_t area;
2018 uint8_t domain;
2019 char connect_type[22];
2020 struct qla_hw_data *ha = vha->hw;
2021
2022 /* Get host addresses. */
2023 rval = qla2x00_get_adapter_id(vha,
2024 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2025 if (rval != QLA_SUCCESS) {
2026 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2027 IS_QLA8XXX_TYPE(ha) ||
2028 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2029 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
2030 __func__, vha->host_no));
2031 } else {
2032 qla_printk(KERN_WARNING, ha,
2033 "ERROR -- Unable to get host loop ID.\n");
2034 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2035 }
2036 return (rval);
2037 }
2038
2039 if (topo == 4) {
2040 qla_printk(KERN_INFO, ha,
2041 "Cannot get topology - retrying.\n");
2042 return (QLA_FUNCTION_FAILED);
2043 }
2044
2045 vha->loop_id = loop_id;
2046
2047 /* initialize */
2048 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2049 ha->operating_mode = LOOP;
2050 ha->switch_cap = 0;
2051
2052 switch (topo) {
2053 case 0:
2054 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
2055 vha->host_no));
2056 ha->current_topology = ISP_CFG_NL;
2057 strcpy(connect_type, "(Loop)");
2058 break;
2059
2060 case 1:
2061 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
2062 vha->host_no));
2063 ha->switch_cap = sw_cap;
2064 ha->current_topology = ISP_CFG_FL;
2065 strcpy(connect_type, "(FL_Port)");
2066 break;
2067
2068 case 2:
2069 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
2070 vha->host_no));
2071 ha->operating_mode = P2P;
2072 ha->current_topology = ISP_CFG_N;
2073 strcpy(connect_type, "(N_Port-to-N_Port)");
2074 break;
2075
2076 case 3:
2077 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
2078 vha->host_no));
2079 ha->switch_cap = sw_cap;
2080 ha->operating_mode = P2P;
2081 ha->current_topology = ISP_CFG_F;
2082 strcpy(connect_type, "(F_Port)");
2083 break;
2084
2085 default:
2086 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
2087 "Using NL.\n",
2088 vha->host_no, topo));
2089 ha->current_topology = ISP_CFG_NL;
2090 strcpy(connect_type, "(Loop)");
2091 break;
2092 }
2093
2094 /* Save Host port and loop ID. */
2095 /* byte order - Big Endian */
2096 vha->d_id.b.domain = domain;
2097 vha->d_id.b.area = area;
2098 vha->d_id.b.al_pa = al_pa;
2099
2100 if (!vha->flags.init_done)
2101 qla_printk(KERN_INFO, ha,
2102 "Topology - %s, Host Loop address 0x%x\n",
2103 connect_type, vha->loop_id);
2104
2105 if (rval) {
2106 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
2107 } else {
2108 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
2109 }
2110
2111 return(rval);
2112 }
2113
2114 inline void
2115 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2116 char *def)
2117 {
2118 char *st, *en;
2119 uint16_t index;
2120 struct qla_hw_data *ha = vha->hw;
2121 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2122 !IS_QLA8XXX_TYPE(ha);
2123
2124 if (memcmp(model, BINZERO, len) != 0) {
2125 strncpy(ha->model_number, model, len);
2126 st = en = ha->model_number;
2127 en += len - 1;
2128 while (en > st) {
2129 if (*en != 0x20 && *en != 0x00)
2130 break;
2131 *en-- = '\0';
2132 }
2133
2134 index = (ha->pdev->subsystem_device & 0xff);
2135 if (use_tbl &&
2136 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2137 index < QLA_MODEL_NAMES)
2138 strncpy(ha->model_desc,
2139 qla2x00_model_name[index * 2 + 1],
2140 sizeof(ha->model_desc) - 1);
2141 } else {
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 strcpy(ha->model_number,
2147 qla2x00_model_name[index * 2]);
2148 strncpy(ha->model_desc,
2149 qla2x00_model_name[index * 2 + 1],
2150 sizeof(ha->model_desc) - 1);
2151 } else {
2152 strcpy(ha->model_number, def);
2153 }
2154 }
2155 if (IS_FWI2_CAPABLE(ha))
2156 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2157 sizeof(ha->model_desc));
2158 }
2159
2160 /* On sparc systems, obtain port and node WWN from firmware
2161 * properties.
2162 */
2163 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2164 {
2165 #ifdef CONFIG_SPARC
2166 struct qla_hw_data *ha = vha->hw;
2167 struct pci_dev *pdev = ha->pdev;
2168 struct device_node *dp = pci_device_to_OF_node(pdev);
2169 const u8 *val;
2170 int len;
2171
2172 val = of_get_property(dp, "port-wwn", &len);
2173 if (val && len >= WWN_SIZE)
2174 memcpy(nv->port_name, val, WWN_SIZE);
2175
2176 val = of_get_property(dp, "node-wwn", &len);
2177 if (val && len >= WWN_SIZE)
2178 memcpy(nv->node_name, val, WWN_SIZE);
2179 #endif
2180 }
2181
2182 /*
2183 * NVRAM configuration for ISP 2xxx
2184 *
2185 * Input:
2186 * ha = adapter block pointer.
2187 *
2188 * Output:
2189 * initialization control block in response_ring
2190 * host adapters parameters in host adapter block
2191 *
2192 * Returns:
2193 * 0 = success.
2194 */
2195 int
2196 qla2x00_nvram_config(scsi_qla_host_t *vha)
2197 {
2198 int rval;
2199 uint8_t chksum = 0;
2200 uint16_t cnt;
2201 uint8_t *dptr1, *dptr2;
2202 struct qla_hw_data *ha = vha->hw;
2203 init_cb_t *icb = ha->init_cb;
2204 nvram_t *nv = ha->nvram;
2205 uint8_t *ptr = ha->nvram;
2206 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2207
2208 rval = QLA_SUCCESS;
2209
2210 /* Determine NVRAM starting address. */
2211 ha->nvram_size = sizeof(nvram_t);
2212 ha->nvram_base = 0;
2213 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2214 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2215 ha->nvram_base = 0x80;
2216
2217 /* Get NVRAM data and calculate checksum. */
2218 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2219 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2220 chksum += *ptr++;
2221
2222 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
2223 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
2224
2225 /* Bad NVRAM data, set defaults parameters. */
2226 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2227 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2228 /* Reset NVRAM data. */
2229 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
2230 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
2231 nv->nvram_version);
2232 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
2233 "invalid -- WWPN) defaults.\n");
2234
2235 /*
2236 * Set default initialization control block.
2237 */
2238 memset(nv, 0, ha->nvram_size);
2239 nv->parameter_block_version = ICB_VERSION;
2240
2241 if (IS_QLA23XX(ha)) {
2242 nv->firmware_options[0] = BIT_2 | BIT_1;
2243 nv->firmware_options[1] = BIT_7 | BIT_5;
2244 nv->add_firmware_options[0] = BIT_5;
2245 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2246 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2247 nv->special_options[1] = BIT_7;
2248 } else if (IS_QLA2200(ha)) {
2249 nv->firmware_options[0] = BIT_2 | BIT_1;
2250 nv->firmware_options[1] = BIT_7 | BIT_5;
2251 nv->add_firmware_options[0] = BIT_5;
2252 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2253 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2254 } else if (IS_QLA2100(ha)) {
2255 nv->firmware_options[0] = BIT_3 | BIT_1;
2256 nv->firmware_options[1] = BIT_5;
2257 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2258 }
2259
2260 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2261 nv->execution_throttle = __constant_cpu_to_le16(16);
2262 nv->retry_count = 8;
2263 nv->retry_delay = 1;
2264
2265 nv->port_name[0] = 33;
2266 nv->port_name[3] = 224;
2267 nv->port_name[4] = 139;
2268
2269 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2270
2271 nv->login_timeout = 4;
2272
2273 /*
2274 * Set default host adapter parameters
2275 */
2276 nv->host_p[1] = BIT_2;
2277 nv->reset_delay = 5;
2278 nv->port_down_retry_count = 8;
2279 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2280 nv->link_down_timeout = 60;
2281
2282 rval = 1;
2283 }
2284
2285 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2286 /*
2287 * The SN2 does not provide BIOS emulation which means you can't change
2288 * potentially bogus BIOS settings. Force the use of default settings
2289 * for link rate and frame size. Hope that the rest of the settings
2290 * are valid.
2291 */
2292 if (ia64_platform_is("sn2")) {
2293 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2294 if (IS_QLA23XX(ha))
2295 nv->special_options[1] = BIT_7;
2296 }
2297 #endif
2298
2299 /* Reset Initialization control block */
2300 memset(icb, 0, ha->init_cb_size);
2301
2302 /*
2303 * Setup driver NVRAM options.
2304 */
2305 nv->firmware_options[0] |= (BIT_6 | BIT_1);
2306 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2307 nv->firmware_options[1] |= (BIT_5 | BIT_0);
2308 nv->firmware_options[1] &= ~BIT_4;
2309
2310 if (IS_QLA23XX(ha)) {
2311 nv->firmware_options[0] |= BIT_2;
2312 nv->firmware_options[0] &= ~BIT_3;
2313 nv->firmware_options[0] &= ~BIT_6;
2314 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2315
2316 if (IS_QLA2300(ha)) {
2317 if (ha->fb_rev == FPM_2310) {
2318 strcpy(ha->model_number, "QLA2310");
2319 } else {
2320 strcpy(ha->model_number, "QLA2300");
2321 }
2322 } else {
2323 qla2x00_set_model_info(vha, nv->model_number,
2324 sizeof(nv->model_number), "QLA23xx");
2325 }
2326 } else if (IS_QLA2200(ha)) {
2327 nv->firmware_options[0] |= BIT_2;
2328 /*
2329 * 'Point-to-point preferred, else loop' is not a safe
2330 * connection mode setting.
2331 */
2332 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2333 (BIT_5 | BIT_4)) {
2334 /* Force 'loop preferred, else point-to-point'. */
2335 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2336 nv->add_firmware_options[0] |= BIT_5;
2337 }
2338 strcpy(ha->model_number, "QLA22xx");
2339 } else /*if (IS_QLA2100(ha))*/ {
2340 strcpy(ha->model_number, "QLA2100");
2341 }
2342
2343 /*
2344 * Copy over NVRAM RISC parameter block to initialization control block.
2345 */
2346 dptr1 = (uint8_t *)icb;
2347 dptr2 = (uint8_t *)&nv->parameter_block_version;
2348 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2349 while (cnt--)
2350 *dptr1++ = *dptr2++;
2351
2352 /* Copy 2nd half. */
2353 dptr1 = (uint8_t *)icb->add_firmware_options;
2354 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2355 while (cnt--)
2356 *dptr1++ = *dptr2++;
2357
2358 /* Use alternate WWN? */
2359 if (nv->host_p[1] & BIT_7) {
2360 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2361 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2362 }
2363
2364 /* Prepare nodename */
2365 if ((icb->firmware_options[1] & BIT_6) == 0) {
2366 /*
2367 * Firmware will apply the following mask if the nodename was
2368 * not provided.
2369 */
2370 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2371 icb->node_name[0] &= 0xF0;
2372 }
2373
2374 /*
2375 * Set host adapter parameters.
2376 */
2377 if (nv->host_p[0] & BIT_7)
2378 ql2xextended_error_logging = 1;
2379 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2380 /* Always load RISC code on non ISP2[12]00 chips. */
2381 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2382 ha->flags.disable_risc_code_load = 0;
2383 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2384 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2385 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2386 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2387 ha->flags.disable_serdes = 0;
2388
2389 ha->operating_mode =
2390 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2391
2392 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2393 sizeof(ha->fw_seriallink_options));
2394
2395 /* save HBA serial number */
2396 ha->serial0 = icb->port_name[5];
2397 ha->serial1 = icb->port_name[6];
2398 ha->serial2 = icb->port_name[7];
2399 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2400 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2401
2402 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2403
2404 ha->retry_count = nv->retry_count;
2405
2406 /* Set minimum login_timeout to 4 seconds. */
2407 if (nv->login_timeout != ql2xlogintimeout)
2408 nv->login_timeout = ql2xlogintimeout;
2409 if (nv->login_timeout < 4)
2410 nv->login_timeout = 4;
2411 ha->login_timeout = nv->login_timeout;
2412 icb->login_timeout = nv->login_timeout;
2413
2414 /* Set minimum RATOV to 100 tenths of a second. */
2415 ha->r_a_tov = 100;
2416
2417 ha->loop_reset_delay = nv->reset_delay;
2418
2419 /* Link Down Timeout = 0:
2420 *
2421 * When Port Down timer expires we will start returning
2422 * I/O's to OS with "DID_NO_CONNECT".
2423 *
2424 * Link Down Timeout != 0:
2425 *
2426 * The driver waits for the link to come up after link down
2427 * before returning I/Os to OS with "DID_NO_CONNECT".
2428 */
2429 if (nv->link_down_timeout == 0) {
2430 ha->loop_down_abort_time =
2431 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2432 } else {
2433 ha->link_down_timeout = nv->link_down_timeout;
2434 ha->loop_down_abort_time =
2435 (LOOP_DOWN_TIME - ha->link_down_timeout);
2436 }
2437
2438 /*
2439 * Need enough time to try and get the port back.
2440 */
2441 ha->port_down_retry_count = nv->port_down_retry_count;
2442 if (qlport_down_retry)
2443 ha->port_down_retry_count = qlport_down_retry;
2444 /* Set login_retry_count */
2445 ha->login_retry_count = nv->retry_count;
2446 if (ha->port_down_retry_count == nv->port_down_retry_count &&
2447 ha->port_down_retry_count > 3)
2448 ha->login_retry_count = ha->port_down_retry_count;
2449 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2450 ha->login_retry_count = ha->port_down_retry_count;
2451 if (ql2xloginretrycount)
2452 ha->login_retry_count = ql2xloginretrycount;
2453
2454 icb->lun_enables = __constant_cpu_to_le16(0);
2455 icb->command_resource_count = 0;
2456 icb->immediate_notify_resource_count = 0;
2457 icb->timeout = __constant_cpu_to_le16(0);
2458
2459 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2460 /* Enable RIO */
2461 icb->firmware_options[0] &= ~BIT_3;
2462 icb->add_firmware_options[0] &=
2463 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2464 icb->add_firmware_options[0] |= BIT_2;
2465 icb->response_accumulation_timer = 3;
2466 icb->interrupt_delay_timer = 5;
2467
2468 vha->flags.process_response_queue = 1;
2469 } else {
2470 /* Enable ZIO. */
2471 if (!vha->flags.init_done) {
2472 ha->zio_mode = icb->add_firmware_options[0] &
2473 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2474 ha->zio_timer = icb->interrupt_delay_timer ?
2475 icb->interrupt_delay_timer: 2;
2476 }
2477 icb->add_firmware_options[0] &=
2478 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2479 vha->flags.process_response_queue = 0;
2480 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2481 ha->zio_mode = QLA_ZIO_MODE_6;
2482
2483 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2484 "delay (%d us).\n", vha->host_no, ha->zio_mode,
2485 ha->zio_timer * 100));
2486 qla_printk(KERN_INFO, ha,
2487 "ZIO mode %d enabled; timer delay (%d us).\n",
2488 ha->zio_mode, ha->zio_timer * 100);
2489
2490 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2491 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2492 vha->flags.process_response_queue = 1;
2493 }
2494 }
2495
2496 if (rval) {
2497 DEBUG2_3(printk(KERN_WARNING
2498 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2499 }
2500 return (rval);
2501 }
2502
2503 static void
2504 qla2x00_rport_del(void *data)
2505 {
2506 fc_port_t *fcport = data;
2507 struct fc_rport *rport;
2508 unsigned long flags;
2509
2510 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2511 rport = fcport->drport ? fcport->drport: fcport->rport;
2512 fcport->drport = NULL;
2513 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2514 if (rport)
2515 fc_remote_port_delete(rport);
2516 }
2517
2518 /**
2519 * qla2x00_alloc_fcport() - Allocate a generic fcport.
2520 * @ha: HA context
2521 * @flags: allocation flags
2522 *
2523 * Returns a pointer to the allocated fcport, or NULL, if none available.
2524 */
2525 fc_port_t *
2526 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2527 {
2528 fc_port_t *fcport;
2529
2530 fcport = kzalloc(sizeof(fc_port_t), flags);
2531 if (!fcport)
2532 return NULL;
2533
2534 /* Setup fcport template structure. */
2535 fcport->vha = vha;
2536 fcport->vp_idx = vha->vp_idx;
2537 fcport->port_type = FCT_UNKNOWN;
2538 fcport->loop_id = FC_NO_LOOP_ID;
2539 atomic_set(&fcport->state, FCS_UNCONFIGURED);
2540 fcport->supported_classes = FC_COS_UNSPECIFIED;
2541
2542 return fcport;
2543 }
2544
2545 /*
2546 * qla2x00_configure_loop
2547 * Updates Fibre Channel Device Database with what is actually on loop.
2548 *
2549 * Input:
2550 * ha = adapter block pointer.
2551 *
2552 * Returns:
2553 * 0 = success.
2554 * 1 = error.
2555 * 2 = database was full and device was not configured.
2556 */
2557 static int
2558 qla2x00_configure_loop(scsi_qla_host_t *vha)
2559 {
2560 int rval;
2561 unsigned long flags, save_flags;
2562 struct qla_hw_data *ha = vha->hw;
2563 rval = QLA_SUCCESS;
2564
2565 /* Get Initiator ID */
2566 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2567 rval = qla2x00_configure_hba(vha);
2568 if (rval != QLA_SUCCESS) {
2569 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2570 vha->host_no));
2571 return (rval);
2572 }
2573 }
2574
2575 save_flags = flags = vha->dpc_flags;
2576 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2577 vha->host_no, flags));
2578
2579 /*
2580 * If we have both an RSCN and PORT UPDATE pending then handle them
2581 * both at the same time.
2582 */
2583 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2584 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2585
2586 qla2x00_get_data_rate(vha);
2587
2588 /* Determine what we need to do */
2589 if (ha->current_topology == ISP_CFG_FL &&
2590 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2591
2592 vha->flags.rscn_queue_overflow = 1;
2593 set_bit(RSCN_UPDATE, &flags);
2594
2595 } else if (ha->current_topology == ISP_CFG_F &&
2596 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2597
2598 vha->flags.rscn_queue_overflow = 1;
2599 set_bit(RSCN_UPDATE, &flags);
2600 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2601
2602 } else if (ha->current_topology == ISP_CFG_N) {
2603 clear_bit(RSCN_UPDATE, &flags);
2604
2605 } else if (!vha->flags.online ||
2606 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2607
2608 vha->flags.rscn_queue_overflow = 1;
2609 set_bit(RSCN_UPDATE, &flags);
2610 set_bit(LOCAL_LOOP_UPDATE, &flags);
2611 }
2612
2613 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2614 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2615 rval = QLA_FUNCTION_FAILED;
2616 else
2617 rval = qla2x00_configure_local_loop(vha);
2618 }
2619
2620 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2621 if (LOOP_TRANSITION(vha))
2622 rval = QLA_FUNCTION_FAILED;
2623 else
2624 rval = qla2x00_configure_fabric(vha);
2625 }
2626
2627 if (rval == QLA_SUCCESS) {
2628 if (atomic_read(&vha->loop_down_timer) ||
2629 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2630 rval = QLA_FUNCTION_FAILED;
2631 } else {
2632 atomic_set(&vha->loop_state, LOOP_READY);
2633
2634 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2635 }
2636 }
2637
2638 if (rval) {
2639 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2640 __func__, vha->host_no));
2641 } else {
2642 DEBUG3(printk("%s: exiting normally\n", __func__));
2643 }
2644
2645 /* Restore state if a resync event occurred during processing */
2646 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2647 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2648 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2649 if (test_bit(RSCN_UPDATE, &save_flags)) {
2650 set_bit(RSCN_UPDATE, &vha->dpc_flags);
2651 if (!IS_ALOGIO_CAPABLE(ha))
2652 vha->flags.rscn_queue_overflow = 1;
2653 }
2654 }
2655
2656 return (rval);
2657 }
2658
2659
2660
2661 /*
2662 * qla2x00_configure_local_loop
2663 * Updates Fibre Channel Device Database with local loop devices.
2664 *
2665 * Input:
2666 * ha = adapter block pointer.
2667 *
2668 * Returns:
2669 * 0 = success.
2670 */
2671 static int
2672 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2673 {
2674 int rval, rval2;
2675 int found_devs;
2676 int found;
2677 fc_port_t *fcport, *new_fcport;
2678
2679 uint16_t index;
2680 uint16_t entries;
2681 char *id_iter;
2682 uint16_t loop_id;
2683 uint8_t domain, area, al_pa;
2684 struct qla_hw_data *ha = vha->hw;
2685
2686 found_devs = 0;
2687 new_fcport = NULL;
2688 entries = MAX_FIBRE_DEVICES;
2689
2690 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2691 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2692
2693 /* Get list of logged in devices. */
2694 memset(ha->gid_list, 0, GID_LIST_SIZE);
2695 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2696 &entries);
2697 if (rval != QLA_SUCCESS)
2698 goto cleanup_allocation;
2699
2700 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2701 vha->host_no, entries));
2702 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2703 entries * sizeof(struct gid_list_info)));
2704
2705 /* Allocate temporary fcport for any new fcports discovered. */
2706 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2707 if (new_fcport == NULL) {
2708 rval = QLA_MEMORY_ALLOC_FAILED;
2709 goto cleanup_allocation;
2710 }
2711 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2712
2713 /*
2714 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2715 */
2716 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2717 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2718 fcport->port_type != FCT_BROADCAST &&
2719 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2720
2721 DEBUG(printk("scsi(%ld): Marking port lost, "
2722 "loop_id=0x%04x\n",
2723 vha->host_no, fcport->loop_id));
2724
2725 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2726 }
2727 }
2728
2729 /* Add devices to port list. */
2730 id_iter = (char *)ha->gid_list;
2731 for (index = 0; index < entries; index++) {
2732 domain = ((struct gid_list_info *)id_iter)->domain;
2733 area = ((struct gid_list_info *)id_iter)->area;
2734 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2735 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2736 loop_id = (uint16_t)
2737 ((struct gid_list_info *)id_iter)->loop_id_2100;
2738 else
2739 loop_id = le16_to_cpu(
2740 ((struct gid_list_info *)id_iter)->loop_id);
2741 id_iter += ha->gid_list_info_size;
2742
2743 /* Bypass reserved domain fields. */
2744 if ((domain & 0xf0) == 0xf0)
2745 continue;
2746
2747 /* Bypass if not same domain and area of adapter. */
2748 if (area && domain &&
2749 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2750 continue;
2751
2752 /* Bypass invalid local loop ID. */
2753 if (loop_id > LAST_LOCAL_LOOP_ID)
2754 continue;
2755
2756 /* Fill in member data. */
2757 new_fcport->d_id.b.domain = domain;
2758 new_fcport->d_id.b.area = area;
2759 new_fcport->d_id.b.al_pa = al_pa;
2760 new_fcport->loop_id = loop_id;
2761 new_fcport->vp_idx = vha->vp_idx;
2762 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2763 if (rval2 != QLA_SUCCESS) {
2764 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2765 "information -- get_port_database=%x, "
2766 "loop_id=0x%04x\n",
2767 vha->host_no, rval2, new_fcport->loop_id));
2768 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2769 vha->host_no));
2770 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2771 continue;
2772 }
2773
2774 /* Check for matching device in port list. */
2775 found = 0;
2776 fcport = NULL;
2777 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2778 if (memcmp(new_fcport->port_name, fcport->port_name,
2779 WWN_SIZE))
2780 continue;
2781
2782 fcport->flags &= ~FCF_FABRIC_DEVICE;
2783 fcport->loop_id = new_fcport->loop_id;
2784 fcport->port_type = new_fcport->port_type;
2785 fcport->d_id.b24 = new_fcport->d_id.b24;
2786 memcpy(fcport->node_name, new_fcport->node_name,
2787 WWN_SIZE);
2788
2789 found++;
2790 break;
2791 }
2792
2793 if (!found) {
2794 /* New device, add to fcports list. */
2795 if (vha->vp_idx) {
2796 new_fcport->vha = vha;
2797 new_fcport->vp_idx = vha->vp_idx;
2798 }
2799 list_add_tail(&new_fcport->list, &vha->vp_fcports);
2800
2801 /* Allocate a new replacement fcport. */
2802 fcport = new_fcport;
2803 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2804 if (new_fcport == NULL) {
2805 rval = QLA_MEMORY_ALLOC_FAILED;
2806 goto cleanup_allocation;
2807 }
2808 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2809 }
2810
2811 /* Base iIDMA settings on HBA port speed. */
2812 fcport->fp_speed = ha->link_data_rate;
2813
2814 qla2x00_update_fcport(vha, fcport);
2815
2816 found_devs++;
2817 }
2818
2819 cleanup_allocation:
2820 kfree(new_fcport);
2821
2822 if (rval != QLA_SUCCESS) {
2823 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2824 "rval=%x\n", vha->host_no, rval));
2825 }
2826
2827 return (rval);
2828 }
2829
2830 static void
2831 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2832 {
2833 #define LS_UNKNOWN 2
2834 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2835 char *link_speed;
2836 int rval;
2837 uint16_t mb[4];
2838 struct qla_hw_data *ha = vha->hw;
2839
2840 if (!IS_IIDMA_CAPABLE(ha))
2841 return;
2842
2843 if (atomic_read(&fcport->state) != FCS_ONLINE)
2844 return;
2845
2846 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2847 fcport->fp_speed > ha->link_data_rate)
2848 return;
2849
2850 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2851 mb);
2852 if (rval != QLA_SUCCESS) {
2853 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2854 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2855 vha->host_no, fcport->port_name[0], fcport->port_name[1],
2856 fcport->port_name[2], fcport->port_name[3],
2857 fcport->port_name[4], fcport->port_name[5],
2858 fcport->port_name[6], fcport->port_name[7], rval,
2859 fcport->fp_speed, mb[0], mb[1]));
2860 } else {
2861 link_speed = link_speeds[LS_UNKNOWN];
2862 if (fcport->fp_speed < 5)
2863 link_speed = link_speeds[fcport->fp_speed];
2864 else if (fcport->fp_speed == 0x13)
2865 link_speed = link_speeds[5];
2866 DEBUG2(qla_printk(KERN_INFO, ha,
2867 "iIDMA adjusted to %s GB/s on "
2868 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2869 link_speed, fcport->port_name[0],
2870 fcport->port_name[1], fcport->port_name[2],
2871 fcport->port_name[3], fcport->port_name[4],
2872 fcport->port_name[5], fcport->port_name[6],
2873 fcport->port_name[7]));
2874 }
2875 }
2876
2877 static void
2878 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2879 {
2880 struct fc_rport_identifiers rport_ids;
2881 struct fc_rport *rport;
2882 struct qla_hw_data *ha = vha->hw;
2883 unsigned long flags;
2884
2885 qla2x00_rport_del(fcport);
2886
2887 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2888 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2889 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2890 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2891 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2892 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2893 if (!rport) {
2894 qla_printk(KERN_WARNING, ha,
2895 "Unable to allocate fc remote port!\n");
2896 return;
2897 }
2898 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2899 *((fc_port_t **)rport->dd_data) = fcport;
2900 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2901
2902 rport->supported_classes = fcport->supported_classes;
2903
2904 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2905 if (fcport->port_type == FCT_INITIATOR)
2906 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2907 if (fcport->port_type == FCT_TARGET)
2908 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2909 fc_remote_port_rolechg(rport, rport_ids.roles);
2910 }
2911
2912 /*
2913 * qla2x00_update_fcport
2914 * Updates device on list.
2915 *
2916 * Input:
2917 * ha = adapter block pointer.
2918 * fcport = port structure pointer.
2919 *
2920 * Return:
2921 * 0 - Success
2922 * BIT_0 - error
2923 *
2924 * Context:
2925 * Kernel context.
2926 */
2927 void
2928 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2929 {
2930 fcport->vha = vha;
2931 fcport->login_retry = 0;
2932 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2933
2934 qla2x00_iidma_fcport(vha, fcport);
2935 qla24xx_update_fcport_fcp_prio(vha, fcport);
2936 qla2x00_reg_remote_port(vha, fcport);
2937 atomic_set(&fcport->state, FCS_ONLINE);
2938 }
2939
2940 /*
2941 * qla2x00_configure_fabric
2942 * Setup SNS devices with loop ID's.
2943 *
2944 * Input:
2945 * ha = adapter block pointer.
2946 *
2947 * Returns:
2948 * 0 = success.
2949 * BIT_0 = error
2950 */
2951 static int
2952 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2953 {
2954 int rval, rval2;
2955 fc_port_t *fcport, *fcptemp;
2956 uint16_t next_loopid;
2957 uint16_t mb[MAILBOX_REGISTER_COUNT];
2958 uint16_t loop_id;
2959 LIST_HEAD(new_fcports);
2960 struct qla_hw_data *ha = vha->hw;
2961 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2962
2963 /* If FL port exists, then SNS is present */
2964 if (IS_FWI2_CAPABLE(ha))
2965 loop_id = NPH_F_PORT;
2966 else
2967 loop_id = SNS_FL_PORT;
2968 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2969 if (rval != QLA_SUCCESS) {
2970 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2971 "Port\n", vha->host_no));
2972
2973 vha->device_flags &= ~SWITCH_FOUND;
2974 return (QLA_SUCCESS);
2975 }
2976 vha->device_flags |= SWITCH_FOUND;
2977
2978 /* Mark devices that need re-synchronization. */
2979 rval2 = qla2x00_device_resync(vha);
2980 if (rval2 == QLA_RSCNS_HANDLED) {
2981 /* No point doing the scan, just continue. */
2982 return (QLA_SUCCESS);
2983 }
2984 do {
2985 /* FDMI support. */
2986 if (ql2xfdmienable &&
2987 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2988 qla2x00_fdmi_register(vha);
2989
2990 /* Ensure we are logged into the SNS. */
2991 if (IS_FWI2_CAPABLE(ha))
2992 loop_id = NPH_SNS;
2993 else
2994 loop_id = SIMPLE_NAME_SERVER;
2995 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2996 0xfc, mb, BIT_1 | BIT_0);
2997 if (mb[0] != MBS_COMMAND_COMPLETE) {
2998 DEBUG2(qla_printk(KERN_INFO, ha,
2999 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
3000 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
3001 mb[0], mb[1], mb[2], mb[6], mb[7]));
3002 return (QLA_SUCCESS);
3003 }
3004
3005 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3006 if (qla2x00_rft_id(vha)) {
3007 /* EMPTY */
3008 DEBUG2(printk("scsi(%ld): Register FC-4 "
3009 "TYPE failed.\n", vha->host_no));
3010 }
3011 if (qla2x00_rff_id(vha)) {
3012 /* EMPTY */
3013 DEBUG2(printk("scsi(%ld): Register FC-4 "
3014 "Features failed.\n", vha->host_no));
3015 }
3016 if (qla2x00_rnn_id(vha)) {
3017 /* EMPTY */
3018 DEBUG2(printk("scsi(%ld): Register Node Name "
3019 "failed.\n", vha->host_no));
3020 } else if (qla2x00_rsnn_nn(vha)) {
3021 /* EMPTY */
3022 DEBUG2(printk("scsi(%ld): Register Symbolic "
3023 "Node Name failed.\n", vha->host_no));
3024 }
3025 }
3026
3027 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3028 if (rval != QLA_SUCCESS)
3029 break;
3030
3031 /*
3032 * Logout all previous fabric devices marked lost, except
3033 * FCP2 devices.
3034 */
3035 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3036 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3037 break;
3038
3039 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3040 continue;
3041
3042 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3043 qla2x00_mark_device_lost(vha, fcport,
3044 ql2xplogiabsentdevice, 0);
3045 if (fcport->loop_id != FC_NO_LOOP_ID &&
3046 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3047 fcport->port_type != FCT_INITIATOR &&
3048 fcport->port_type != FCT_BROADCAST) {
3049 ha->isp_ops->fabric_logout(vha,
3050 fcport->loop_id,
3051 fcport->d_id.b.domain,
3052 fcport->d_id.b.area,
3053 fcport->d_id.b.al_pa);
3054 fcport->loop_id = FC_NO_LOOP_ID;
3055 }
3056 }
3057 }
3058
3059 /* Starting free loop ID. */
3060 next_loopid = ha->min_external_loopid;
3061
3062 /*
3063 * Scan through our port list and login entries that need to be
3064 * logged in.
3065 */
3066 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3067 if (atomic_read(&vha->loop_down_timer) ||
3068 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3069 break;
3070
3071 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3072 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3073 continue;
3074
3075 if (fcport->loop_id == FC_NO_LOOP_ID) {
3076 fcport->loop_id = next_loopid;
3077 rval = qla2x00_find_new_loop_id(
3078 base_vha, fcport);
3079 if (rval != QLA_SUCCESS) {
3080 /* Ran out of IDs to use */
3081 break;
3082 }
3083 }
3084 /* Login and update database */
3085 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3086 }
3087
3088 /* Exit if out of loop IDs. */
3089 if (rval != QLA_SUCCESS) {
3090 break;
3091 }
3092
3093 /*
3094 * Login and add the new devices to our port list.
3095 */
3096 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3097 if (atomic_read(&vha->loop_down_timer) ||
3098 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3099 break;
3100
3101 /* Find a new loop ID to use. */
3102 fcport->loop_id = next_loopid;
3103 rval = qla2x00_find_new_loop_id(base_vha, fcport);
3104 if (rval != QLA_SUCCESS) {
3105 /* Ran out of IDs to use */
3106 break;
3107 }
3108
3109 /* Login and update database */
3110 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3111
3112 if (vha->vp_idx) {
3113 fcport->vha = vha;
3114 fcport->vp_idx = vha->vp_idx;
3115 }
3116 list_move_tail(&fcport->list, &vha->vp_fcports);
3117 }
3118 } while (0);
3119
3120 /* Free all new device structures not processed. */
3121 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3122 list_del(&fcport->list);
3123 kfree(fcport);
3124 }
3125
3126 if (rval) {
3127 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
3128 "rval=%d\n", vha->host_no, rval));
3129 }
3130
3131 return (rval);
3132 }
3133
3134 /*
3135 * qla2x00_find_all_fabric_devs
3136 *
3137 * Input:
3138 * ha = adapter block pointer.
3139 * dev = database device entry pointer.
3140 *
3141 * Returns:
3142 * 0 = success.
3143 *
3144 * Context:
3145 * Kernel context.
3146 */
3147 static int
3148 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3149 struct list_head *new_fcports)
3150 {
3151 int rval;
3152 uint16_t loop_id;
3153 fc_port_t *fcport, *new_fcport, *fcptemp;
3154 int found;
3155
3156 sw_info_t *swl;
3157 int swl_idx;
3158 int first_dev, last_dev;
3159 port_id_t wrap = {}, nxt_d_id;
3160 struct qla_hw_data *ha = vha->hw;
3161 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3162 struct scsi_qla_host *tvp;
3163
3164 rval = QLA_SUCCESS;
3165
3166 /* Try GID_PT to get device list, else GAN. */
3167 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
3168 if (!swl) {
3169 /*EMPTY*/
3170 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
3171 "on GA_NXT\n", vha->host_no));
3172 } else {
3173 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3174 kfree(swl);
3175 swl = NULL;
3176 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3177 kfree(swl);
3178 swl = NULL;
3179 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3180 kfree(swl);
3181 swl = NULL;
3182 } else if (ql2xiidmaenable &&
3183 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3184 qla2x00_gpsc(vha, swl);
3185 }
3186
3187 /* If other queries succeeded probe for FC-4 type */
3188 if (swl)
3189 qla2x00_gff_id(vha, swl);
3190 }
3191 swl_idx = 0;
3192
3193 /* Allocate temporary fcport for any new fcports discovered. */
3194 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3195 if (new_fcport == NULL) {
3196 kfree(swl);
3197 return (QLA_MEMORY_ALLOC_FAILED);
3198 }
3199 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3200 /* Set start port ID scan at adapter ID. */
3201 first_dev = 1;
3202 last_dev = 0;
3203
3204 /* Starting free loop ID. */
3205 loop_id = ha->min_external_loopid;
3206 for (; loop_id <= ha->max_loop_id; loop_id++) {
3207 if (qla2x00_is_reserved_id(vha, loop_id))
3208 continue;
3209
3210 if (ha->current_topology == ISP_CFG_FL &&
3211 (atomic_read(&vha->loop_down_timer) ||
3212 LOOP_TRANSITION(vha))) {
3213 atomic_set(&vha->loop_down_timer, 0);
3214 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3215 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3216 break;
3217 }
3218
3219 if (swl != NULL) {
3220 if (last_dev) {
3221 wrap.b24 = new_fcport->d_id.b24;
3222 } else {
3223 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3224 memcpy(new_fcport->node_name,
3225 swl[swl_idx].node_name, WWN_SIZE);
3226 memcpy(new_fcport->port_name,
3227 swl[swl_idx].port_name, WWN_SIZE);
3228 memcpy(new_fcport->fabric_port_name,
3229 swl[swl_idx].fabric_port_name, WWN_SIZE);
3230 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3231 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3232
3233 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3234 last_dev = 1;
3235 }
3236 swl_idx++;
3237 }
3238 } else {
3239 /* Send GA_NXT to the switch */
3240 rval = qla2x00_ga_nxt(vha, new_fcport);
3241 if (rval != QLA_SUCCESS) {
3242 qla_printk(KERN_WARNING, ha,
3243 "SNS scan failed -- assuming zero-entry "
3244 "result...\n");
3245 list_for_each_entry_safe(fcport, fcptemp,
3246 new_fcports, list) {
3247 list_del(&fcport->list);
3248 kfree(fcport);
3249 }
3250 rval = QLA_SUCCESS;
3251 break;
3252 }
3253 }
3254
3255 /* If wrap on switch device list, exit. */
3256 if (first_dev) {
3257 wrap.b24 = new_fcport->d_id.b24;
3258 first_dev = 0;
3259 } else if (new_fcport->d_id.b24 == wrap.b24) {
3260 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
3261 vha->host_no, new_fcport->d_id.b.domain,
3262 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
3263 break;
3264 }
3265
3266 /* Bypass if same physical adapter. */
3267 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3268 continue;
3269
3270 /* Bypass virtual ports of the same host. */
3271 found = 0;
3272 if (ha->num_vhosts) {
3273 unsigned long flags;
3274
3275 spin_lock_irqsave(&ha->vport_slock, flags);
3276 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3277 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3278 found = 1;
3279 break;
3280 }
3281 }
3282 spin_unlock_irqrestore(&ha->vport_slock, flags);
3283
3284 if (found)
3285 continue;
3286 }
3287
3288 /* Bypass if same domain and area of adapter. */
3289 if (((new_fcport->d_id.b24 & 0xffff00) ==
3290 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3291 ISP_CFG_FL)
3292 continue;
3293
3294 /* Bypass reserved domain fields. */
3295 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3296 continue;
3297
3298 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3299 if (ql2xgffidenable &&
3300 (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3301 new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3302 continue;
3303
3304 /* Locate matching device in database. */
3305 found = 0;
3306 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3307 if (memcmp(new_fcport->port_name, fcport->port_name,
3308 WWN_SIZE))
3309 continue;
3310
3311 found++;
3312
3313 /* Update port state. */
3314 memcpy(fcport->fabric_port_name,
3315 new_fcport->fabric_port_name, WWN_SIZE);
3316 fcport->fp_speed = new_fcport->fp_speed;
3317
3318 /*
3319 * If address the same and state FCS_ONLINE, nothing
3320 * changed.
3321 */
3322 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3323 atomic_read(&fcport->state) == FCS_ONLINE) {
3324 break;
3325 }
3326
3327 /*
3328 * If device was not a fabric device before.
3329 */
3330 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3331 fcport->d_id.b24 = new_fcport->d_id.b24;
3332 fcport->loop_id = FC_NO_LOOP_ID;
3333 fcport->flags |= (FCF_FABRIC_DEVICE |
3334 FCF_LOGIN_NEEDED);
3335 break;
3336 }
3337
3338 /*
3339 * Port ID changed or device was marked to be updated;
3340 * Log it out if still logged in and mark it for
3341 * relogin later.
3342 */
3343 fcport->d_id.b24 = new_fcport->d_id.b24;
3344 fcport->flags |= FCF_LOGIN_NEEDED;
3345 if (fcport->loop_id != FC_NO_LOOP_ID &&
3346 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3347 fcport->port_type != FCT_INITIATOR &&
3348 fcport->port_type != FCT_BROADCAST) {
3349 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3350 fcport->d_id.b.domain, fcport->d_id.b.area,
3351 fcport->d_id.b.al_pa);
3352 fcport->loop_id = FC_NO_LOOP_ID;
3353 }
3354
3355 break;
3356 }
3357
3358 if (found)
3359 continue;
3360 /* If device was not in our fcports list, then add it. */
3361 list_add_tail(&new_fcport->list, new_fcports);
3362
3363 /* Allocate a new replacement fcport. */
3364 nxt_d_id.b24 = new_fcport->d_id.b24;
3365 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3366 if (new_fcport == NULL) {
3367 kfree(swl);
3368 return (QLA_MEMORY_ALLOC_FAILED);
3369 }
3370 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3371 new_fcport->d_id.b24 = nxt_d_id.b24;
3372 }
3373
3374 kfree(swl);
3375 kfree(new_fcport);
3376
3377 return (rval);
3378 }
3379
3380 /*
3381 * qla2x00_find_new_loop_id
3382 * Scan through our port list and find a new usable loop ID.
3383 *
3384 * Input:
3385 * ha: adapter state pointer.
3386 * dev: port structure pointer.
3387 *
3388 * Returns:
3389 * qla2x00 local function return status code.
3390 *
3391 * Context:
3392 * Kernel context.
3393 */
3394 static int
3395 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3396 {
3397 int rval;
3398 int found;
3399 fc_port_t *fcport;
3400 uint16_t first_loop_id;
3401 struct qla_hw_data *ha = vha->hw;
3402 struct scsi_qla_host *vp;
3403 struct scsi_qla_host *tvp;
3404 unsigned long flags = 0;
3405
3406 rval = QLA_SUCCESS;
3407
3408 /* Save starting loop ID. */
3409 first_loop_id = dev->loop_id;
3410
3411 for (;;) {
3412 /* Skip loop ID if already used by adapter. */
3413 if (dev->loop_id == vha->loop_id)
3414 dev->loop_id++;
3415
3416 /* Skip reserved loop IDs. */
3417 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3418 dev->loop_id++;
3419
3420 /* Reset loop ID if passed the end. */
3421 if (dev->loop_id > ha->max_loop_id) {
3422 /* first loop ID. */
3423 dev->loop_id = ha->min_external_loopid;
3424 }
3425
3426 /* Check for loop ID being already in use. */
3427 found = 0;
3428 fcport = NULL;
3429
3430 spin_lock_irqsave(&ha->vport_slock, flags);
3431 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3432 list_for_each_entry(fcport, &vp->vp_fcports, list) {
3433 if (fcport->loop_id == dev->loop_id &&
3434 fcport != dev) {
3435 /* ID possibly in use */
3436 found++;
3437 break;
3438 }
3439 }
3440 if (found)
3441 break;
3442 }
3443 spin_unlock_irqrestore(&ha->vport_slock, flags);
3444
3445 /* If not in use then it is free to use. */
3446 if (!found) {
3447 break;
3448 }
3449
3450 /* ID in use. Try next value. */
3451 dev->loop_id++;
3452
3453 /* If wrap around. No free ID to use. */
3454 if (dev->loop_id == first_loop_id) {
3455 dev->loop_id = FC_NO_LOOP_ID;
3456 rval = QLA_FUNCTION_FAILED;
3457 break;
3458 }
3459 }
3460
3461 return (rval);
3462 }
3463
3464 /*
3465 * qla2x00_device_resync
3466 * Marks devices in the database that needs resynchronization.
3467 *
3468 * Input:
3469 * ha = adapter block pointer.
3470 *
3471 * Context:
3472 * Kernel context.
3473 */
3474 static int
3475 qla2x00_device_resync(scsi_qla_host_t *vha)
3476 {
3477 int rval;
3478 uint32_t mask;
3479 fc_port_t *fcport;
3480 uint32_t rscn_entry;
3481 uint8_t rscn_out_iter;
3482 uint8_t format;
3483 port_id_t d_id = {};
3484
3485 rval = QLA_RSCNS_HANDLED;
3486
3487 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3488 vha->flags.rscn_queue_overflow) {
3489
3490 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3491 format = MSB(MSW(rscn_entry));
3492 d_id.b.domain = LSB(MSW(rscn_entry));
3493 d_id.b.area = MSB(LSW(rscn_entry));
3494 d_id.b.al_pa = LSB(LSW(rscn_entry));
3495
3496 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3497 "[%02x/%02x%02x%02x].\n",
3498 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3499 d_id.b.area, d_id.b.al_pa));
3500
3501 vha->rscn_out_ptr++;
3502 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3503 vha->rscn_out_ptr = 0;
3504
3505 /* Skip duplicate entries. */
3506 for (rscn_out_iter = vha->rscn_out_ptr;
3507 !vha->flags.rscn_queue_overflow &&
3508 rscn_out_iter != vha->rscn_in_ptr;
3509 rscn_out_iter = (rscn_out_iter ==
3510 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3511
3512 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3513 break;
3514
3515 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3516 "entry found at [%d].\n", vha->host_no,
3517 rscn_out_iter));
3518
3519 vha->rscn_out_ptr = rscn_out_iter;
3520 }
3521
3522 /* Queue overflow, set switch default case. */
3523 if (vha->flags.rscn_queue_overflow) {
3524 DEBUG(printk("scsi(%ld): device_resync: rscn "
3525 "overflow.\n", vha->host_no));
3526
3527 format = 3;
3528 vha->flags.rscn_queue_overflow = 0;
3529 }
3530
3531 switch (format) {
3532 case 0:
3533 mask = 0xffffff;
3534 break;
3535 case 1:
3536 mask = 0xffff00;
3537 break;
3538 case 2:
3539 mask = 0xff0000;
3540 break;
3541 default:
3542 mask = 0x0;
3543 d_id.b24 = 0;
3544 vha->rscn_out_ptr = vha->rscn_in_ptr;
3545 break;
3546 }
3547
3548 rval = QLA_SUCCESS;
3549
3550 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3551 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3552 (fcport->d_id.b24 & mask) != d_id.b24 ||
3553 fcport->port_type == FCT_BROADCAST)
3554 continue;
3555
3556 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3557 if (format != 3 ||
3558 fcport->port_type != FCT_INITIATOR) {
3559 qla2x00_mark_device_lost(vha, fcport,
3560 0, 0);
3561 }
3562 }
3563 }
3564 }
3565 return (rval);
3566 }
3567
3568 /*
3569 * qla2x00_fabric_dev_login
3570 * Login fabric target device and update FC port database.
3571 *
3572 * Input:
3573 * ha: adapter state pointer.
3574 * fcport: port structure list pointer.
3575 * next_loopid: contains value of a new loop ID that can be used
3576 * by the next login attempt.
3577 *
3578 * Returns:
3579 * qla2x00 local function return status code.
3580 *
3581 * Context:
3582 * Kernel context.
3583 */
3584 static int
3585 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3586 uint16_t *next_loopid)
3587 {
3588 int rval;
3589 int retry;
3590 uint8_t opts;
3591 struct qla_hw_data *ha = vha->hw;
3592
3593 rval = QLA_SUCCESS;
3594 retry = 0;
3595
3596 if (IS_ALOGIO_CAPABLE(ha)) {
3597 if (fcport->flags & FCF_ASYNC_SENT)
3598 return rval;
3599 fcport->flags |= FCF_ASYNC_SENT;
3600 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3601 if (!rval)
3602 return rval;
3603 }
3604
3605 fcport->flags &= ~FCF_ASYNC_SENT;
3606 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3607 if (rval == QLA_SUCCESS) {
3608 /* Send an ADISC to FCP2 devices.*/
3609 opts = 0;
3610 if (fcport->flags & FCF_FCP2_DEVICE)
3611 opts |= BIT_1;
3612 rval = qla2x00_get_port_database(vha, fcport, opts);
3613 if (rval != QLA_SUCCESS) {
3614 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3615 fcport->d_id.b.domain, fcport->d_id.b.area,
3616 fcport->d_id.b.al_pa);
3617 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3618 } else {
3619 qla2x00_update_fcport(vha, fcport);
3620 }
3621 }
3622
3623 return (rval);
3624 }
3625
3626 /*
3627 * qla2x00_fabric_login
3628 * Issue fabric login command.
3629 *
3630 * Input:
3631 * ha = adapter block pointer.
3632 * device = pointer to FC device type structure.
3633 *
3634 * Returns:
3635 * 0 - Login successfully
3636 * 1 - Login failed
3637 * 2 - Initiator device
3638 * 3 - Fatal error
3639 */
3640 int
3641 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3642 uint16_t *next_loopid)
3643 {
3644 int rval;
3645 int retry;
3646 uint16_t tmp_loopid;
3647 uint16_t mb[MAILBOX_REGISTER_COUNT];
3648 struct qla_hw_data *ha = vha->hw;
3649
3650 retry = 0;
3651 tmp_loopid = 0;
3652
3653 for (;;) {
3654 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3655 "for port %02x%02x%02x.\n",
3656 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3657 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3658
3659 /* Login fcport on switch. */
3660 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3661 fcport->d_id.b.domain, fcport->d_id.b.area,
3662 fcport->d_id.b.al_pa, mb, BIT_0);
3663 if (mb[0] == MBS_PORT_ID_USED) {
3664 /*
3665 * Device has another loop ID. The firmware team
3666 * recommends the driver perform an implicit login with
3667 * the specified ID again. The ID we just used is save
3668 * here so we return with an ID that can be tried by
3669 * the next login.
3670 */
3671 retry++;
3672 tmp_loopid = fcport->loop_id;
3673 fcport->loop_id = mb[1];
3674
3675 DEBUG(printk("Fabric Login: port in use - next "
3676 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3677 fcport->loop_id, fcport->d_id.b.domain,
3678 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3679
3680 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3681 /*
3682 * Login succeeded.
3683 */
3684 if (retry) {
3685 /* A retry occurred before. */
3686 *next_loopid = tmp_loopid;
3687 } else {
3688 /*
3689 * No retry occurred before. Just increment the
3690 * ID value for next login.
3691 */
3692 *next_loopid = (fcport->loop_id + 1);
3693 }
3694
3695 if (mb[1] & BIT_0) {
3696 fcport->port_type = FCT_INITIATOR;
3697 } else {
3698 fcport->port_type = FCT_TARGET;
3699 if (mb[1] & BIT_1) {
3700 fcport->flags |= FCF_FCP2_DEVICE;
3701 }
3702 }
3703
3704 if (mb[10] & BIT_0)
3705 fcport->supported_classes |= FC_COS_CLASS2;
3706 if (mb[10] & BIT_1)
3707 fcport->supported_classes |= FC_COS_CLASS3;
3708
3709 rval = QLA_SUCCESS;
3710 break;
3711 } else if (mb[0] == MBS_LOOP_ID_USED) {
3712 /*
3713 * Loop ID already used, try next loop ID.
3714 */
3715 fcport->loop_id++;
3716 rval = qla2x00_find_new_loop_id(vha, fcport);
3717 if (rval != QLA_SUCCESS) {
3718 /* Ran out of loop IDs to use */
3719 break;
3720 }
3721 } else if (mb[0] == MBS_COMMAND_ERROR) {
3722 /*
3723 * Firmware possibly timed out during login. If NO
3724 * retries are left to do then the device is declared
3725 * dead.
3726 */
3727 *next_loopid = fcport->loop_id;
3728 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3729 fcport->d_id.b.domain, fcport->d_id.b.area,
3730 fcport->d_id.b.al_pa);
3731 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3732
3733 rval = 1;
3734 break;
3735 } else {
3736 /*
3737 * unrecoverable / not handled error
3738 */
3739 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3740 "loop_id=%x jiffies=%lx.\n",
3741 __func__, vha->host_no, mb[0],
3742 fcport->d_id.b.domain, fcport->d_id.b.area,
3743 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3744
3745 *next_loopid = fcport->loop_id;
3746 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3747 fcport->d_id.b.domain, fcport->d_id.b.area,
3748 fcport->d_id.b.al_pa);
3749 fcport->loop_id = FC_NO_LOOP_ID;
3750 fcport->login_retry = 0;
3751
3752 rval = 3;
3753 break;
3754 }
3755 }
3756
3757 return (rval);
3758 }
3759
3760 /*
3761 * qla2x00_local_device_login
3762 * Issue local device login command.
3763 *
3764 * Input:
3765 * ha = adapter block pointer.
3766 * loop_id = loop id of device to login to.
3767 *
3768 * Returns (Where's the #define!!!!):
3769 * 0 - Login successfully
3770 * 1 - Login failed
3771 * 3 - Fatal error
3772 */
3773 int
3774 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3775 {
3776 int rval;
3777 uint16_t mb[MAILBOX_REGISTER_COUNT];
3778
3779 memset(mb, 0, sizeof(mb));
3780 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3781 if (rval == QLA_SUCCESS) {
3782 /* Interrogate mailbox registers for any errors */
3783 if (mb[0] == MBS_COMMAND_ERROR)
3784 rval = 1;
3785 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3786 /* device not in PCB table */
3787 rval = 3;
3788 }
3789
3790 return (rval);
3791 }
3792
3793 /*
3794 * qla2x00_loop_resync
3795 * Resync with fibre channel devices.
3796 *
3797 * Input:
3798 * ha = adapter block pointer.
3799 *
3800 * Returns:
3801 * 0 = success
3802 */
3803 int
3804 qla2x00_loop_resync(scsi_qla_host_t *vha)
3805 {
3806 int rval = QLA_SUCCESS;
3807 uint32_t wait_time;
3808 struct req_que *req;
3809 struct rsp_que *rsp;
3810
3811 if (vha->hw->flags.cpu_affinity_enabled)
3812 req = vha->hw->req_q_map[0];
3813 else
3814 req = vha->req;
3815 rsp = req->rsp;
3816
3817 atomic_set(&vha->loop_state, LOOP_UPDATE);
3818 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3819 if (vha->flags.online) {
3820 if (!(rval = qla2x00_fw_ready(vha))) {
3821 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3822 wait_time = 256;
3823 do {
3824 atomic_set(&vha->loop_state, LOOP_UPDATE);
3825
3826 /* Issue a marker after FW becomes ready. */
3827 qla2x00_marker(vha, req, rsp, 0, 0,
3828 MK_SYNC_ALL);
3829 vha->marker_needed = 0;
3830
3831 /* Remap devices on Loop. */
3832 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3833
3834 qla2x00_configure_loop(vha);
3835 wait_time--;
3836 } while (!atomic_read(&vha->loop_down_timer) &&
3837 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3838 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3839 &vha->dpc_flags)));
3840 }
3841 }
3842
3843 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3844 return (QLA_FUNCTION_FAILED);
3845
3846 if (rval)
3847 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3848
3849 return (rval);
3850 }
3851
3852 /*
3853 * qla2x00_perform_loop_resync
3854 * Description: This function will set the appropriate flags and call
3855 * qla2x00_loop_resync. If successful loop will be resynced
3856 * Arguments : scsi_qla_host_t pointer
3857 * returm : Success or Failure
3858 */
3859
3860 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3861 {
3862 int32_t rval = 0;
3863
3864 if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3865 /*Configure the flags so that resync happens properly*/
3866 atomic_set(&ha->loop_down_timer, 0);
3867 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3868 atomic_set(&ha->loop_state, LOOP_UP);
3869 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3870 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3871 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3872
3873 rval = qla2x00_loop_resync(ha);
3874 } else
3875 atomic_set(&ha->loop_state, LOOP_DEAD);
3876
3877 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3878 }
3879
3880 return rval;
3881 }
3882
3883 void
3884 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3885 {
3886 fc_port_t *fcport;
3887 struct scsi_qla_host *vha;
3888 struct qla_hw_data *ha = base_vha->hw;
3889 unsigned long flags;
3890
3891 spin_lock_irqsave(&ha->vport_slock, flags);
3892 /* Go with deferred removal of rport references. */
3893 list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3894 atomic_inc(&vha->vref_count);
3895 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3896 if (fcport->drport &&
3897 atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3898 spin_unlock_irqrestore(&ha->vport_slock, flags);
3899
3900 qla2x00_rport_del(fcport);
3901
3902 spin_lock_irqsave(&ha->vport_slock, flags);
3903 }
3904 }
3905 atomic_dec(&vha->vref_count);
3906 }
3907 spin_unlock_irqrestore(&ha->vport_slock, flags);
3908 }
3909
3910 /*
3911 * qla82xx_quiescent_state_cleanup
3912 * Description: This function will block the new I/Os
3913 * Its not aborting any I/Os as context
3914 * is not destroyed during quiescence
3915 * Arguments: scsi_qla_host_t
3916 * return : void
3917 */
3918 void
3919 qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3920 {
3921 struct qla_hw_data *ha = vha->hw;
3922 struct scsi_qla_host *vp;
3923
3924 qla_printk(KERN_INFO, ha,
3925 "Performing ISP error recovery - ha= %p.\n", ha);
3926
3927 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3928 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3929 atomic_set(&vha->loop_state, LOOP_DOWN);
3930 qla2x00_mark_all_devices_lost(vha, 0);
3931 list_for_each_entry(vp, &ha->vp_list, list)
3932 qla2x00_mark_all_devices_lost(vha, 0);
3933 } else {
3934 if (!atomic_read(&vha->loop_down_timer))
3935 atomic_set(&vha->loop_down_timer,
3936 LOOP_DOWN_TIME);
3937 }
3938 /* Wait for pending cmds to complete */
3939 qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3940 }
3941
3942 void
3943 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3944 {
3945 struct qla_hw_data *ha = vha->hw;
3946 struct scsi_qla_host *vp;
3947 unsigned long flags;
3948 fc_port_t *fcport;
3949
3950 /* For ISP82XX, driver waits for completion of the commands.
3951 * online flag should be set.
3952 */
3953 if (!IS_QLA82XX(ha))
3954 vha->flags.online = 0;
3955 ha->flags.chip_reset_done = 0;
3956 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3957 ha->qla_stats.total_isp_aborts++;
3958
3959 qla_printk(KERN_INFO, ha,
3960 "Performing ISP error recovery - ha= %p.\n", ha);
3961
3962 /* For ISP82XX, reset_chip is just disabling interrupts.
3963 * Driver waits for the completion of the commands.
3964 * the interrupts need to be enabled.
3965 */
3966 if (!IS_QLA82XX(ha))
3967 ha->isp_ops->reset_chip(vha);
3968
3969 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3970 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3971 atomic_set(&vha->loop_state, LOOP_DOWN);
3972 qla2x00_mark_all_devices_lost(vha, 0);
3973
3974 spin_lock_irqsave(&ha->vport_slock, flags);
3975 list_for_each_entry(vp, &ha->vp_list, list) {
3976 atomic_inc(&vp->vref_count);
3977 spin_unlock_irqrestore(&ha->vport_slock, flags);
3978
3979 qla2x00_mark_all_devices_lost(vp, 0);
3980
3981 spin_lock_irqsave(&ha->vport_slock, flags);
3982 atomic_dec(&vp->vref_count);
3983 }
3984 spin_unlock_irqrestore(&ha->vport_slock, flags);
3985 } else {
3986 if (!atomic_read(&vha->loop_down_timer))
3987 atomic_set(&vha->loop_down_timer,
3988 LOOP_DOWN_TIME);
3989 }
3990
3991 /* Clear all async request states across all VPs. */
3992 list_for_each_entry(fcport, &vha->vp_fcports, list)
3993 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3994 spin_lock_irqsave(&ha->vport_slock, flags);
3995 list_for_each_entry(vp, &ha->vp_list, list) {
3996 atomic_inc(&vp->vref_count);
3997 spin_unlock_irqrestore(&ha->vport_slock, flags);
3998
3999 list_for_each_entry(fcport, &vp->vp_fcports, list)
4000 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4001
4002 spin_lock_irqsave(&ha->vport_slock, flags);
4003 atomic_dec(&vp->vref_count);
4004 }
4005 spin_unlock_irqrestore(&ha->vport_slock, flags);
4006
4007 if (!ha->flags.eeh_busy) {
4008 /* Make sure for ISP 82XX IO DMA is complete */
4009 if (IS_QLA82XX(ha)) {
4010 qla82xx_chip_reset_cleanup(vha);
4011
4012 /* Done waiting for pending commands.
4013 * Reset the online flag.
4014 */
4015 vha->flags.online = 0;
4016 }
4017
4018 /* Requeue all commands in outstanding command list. */
4019 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4020 }
4021 }
4022
4023 /*
4024 * qla2x00_abort_isp
4025 * Resets ISP and aborts all outstanding commands.
4026 *
4027 * Input:
4028 * ha = adapter block pointer.
4029 *
4030 * Returns:
4031 * 0 = success
4032 */
4033 int
4034 qla2x00_abort_isp(scsi_qla_host_t *vha)
4035 {
4036 int rval;
4037 uint8_t status = 0;
4038 struct qla_hw_data *ha = vha->hw;
4039 struct scsi_qla_host *vp;
4040 struct req_que *req = ha->req_q_map[0];
4041 unsigned long flags;
4042
4043 if (vha->flags.online) {
4044 qla2x00_abort_isp_cleanup(vha);
4045
4046 if (unlikely(pci_channel_offline(ha->pdev) &&
4047 ha->flags.pci_channel_io_perm_failure)) {
4048 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4049 status = 0;
4050 return status;
4051 }
4052
4053 ha->isp_ops->get_flash_version(vha, req->ring);
4054
4055 ha->isp_ops->nvram_config(vha);
4056
4057 if (!qla2x00_restart_isp(vha)) {
4058 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4059
4060 if (!atomic_read(&vha->loop_down_timer)) {
4061 /*
4062 * Issue marker command only when we are going
4063 * to start the I/O .
4064 */
4065 vha->marker_needed = 1;
4066 }
4067
4068 vha->flags.online = 1;
4069
4070 ha->isp_ops->enable_intrs(ha);
4071
4072 ha->isp_abort_cnt = 0;
4073 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4074
4075 if (IS_QLA81XX(ha))
4076 qla2x00_get_fw_version(vha,
4077 &ha->fw_major_version,
4078 &ha->fw_minor_version,
4079 &ha->fw_subminor_version,
4080 &ha->fw_attributes, &ha->fw_memory_size,
4081 ha->mpi_version, &ha->mpi_capabilities,
4082 ha->phy_version);
4083
4084 if (ha->fce) {
4085 ha->flags.fce_enabled = 1;
4086 memset(ha->fce, 0,
4087 fce_calc_size(ha->fce_bufs));
4088 rval = qla2x00_enable_fce_trace(vha,
4089 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4090 &ha->fce_bufs);
4091 if (rval) {
4092 qla_printk(KERN_WARNING, ha,
4093 "Unable to reinitialize FCE "
4094 "(%d).\n", rval);
4095 ha->flags.fce_enabled = 0;
4096 }
4097 }
4098
4099 if (ha->eft) {
4100 memset(ha->eft, 0, EFT_SIZE);
4101 rval = qla2x00_enable_eft_trace(vha,
4102 ha->eft_dma, EFT_NUM_BUFFERS);
4103 if (rval) {
4104 qla_printk(KERN_WARNING, ha,
4105 "Unable to reinitialize EFT "
4106 "(%d).\n", rval);
4107 }
4108 }
4109 } else { /* failed the ISP abort */
4110 vha->flags.online = 1;
4111 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4112 if (ha->isp_abort_cnt == 0) {
4113 qla_printk(KERN_WARNING, ha,
4114 "ISP error recovery failed - "
4115 "board disabled\n");
4116 /*
4117 * The next call disables the board
4118 * completely.
4119 */
4120 ha->isp_ops->reset_adapter(vha);
4121 vha->flags.online = 0;
4122 clear_bit(ISP_ABORT_RETRY,
4123 &vha->dpc_flags);
4124 status = 0;
4125 } else { /* schedule another ISP abort */
4126 ha->isp_abort_cnt--;
4127 DEBUG(printk("qla%ld: ISP abort - "
4128 "retry remaining %d\n",
4129 vha->host_no, ha->isp_abort_cnt));
4130 status = 1;
4131 }
4132 } else {
4133 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4134 DEBUG(printk("qla2x00(%ld): ISP error recovery "
4135 "- retrying (%d) more times\n",
4136 vha->host_no, ha->isp_abort_cnt));
4137 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4138 status = 1;
4139 }
4140 }
4141
4142 }
4143
4144 if (!status) {
4145 DEBUG(printk(KERN_INFO
4146 "qla2x00_abort_isp(%ld): succeeded.\n",
4147 vha->host_no));
4148
4149 spin_lock_irqsave(&ha->vport_slock, flags);
4150 list_for_each_entry(vp, &ha->vp_list, list) {
4151 if (vp->vp_idx) {
4152 atomic_inc(&vp->vref_count);
4153 spin_unlock_irqrestore(&ha->vport_slock, flags);
4154
4155 qla2x00_vp_abort_isp(vp);
4156
4157 spin_lock_irqsave(&ha->vport_slock, flags);
4158 atomic_dec(&vp->vref_count);
4159 }
4160 }
4161 spin_unlock_irqrestore(&ha->vport_slock, flags);
4162
4163 } else {
4164 qla_printk(KERN_INFO, ha,
4165 "qla2x00_abort_isp: **** FAILED ****\n");
4166 }
4167
4168 return(status);
4169 }
4170
4171 /*
4172 * qla2x00_restart_isp
4173 * restarts the ISP after a reset
4174 *
4175 * Input:
4176 * ha = adapter block pointer.
4177 *
4178 * Returns:
4179 * 0 = success
4180 */
4181 static int
4182 qla2x00_restart_isp(scsi_qla_host_t *vha)
4183 {
4184 int status = 0;
4185 uint32_t wait_time;
4186 struct qla_hw_data *ha = vha->hw;
4187 struct req_que *req = ha->req_q_map[0];
4188 struct rsp_que *rsp = ha->rsp_q_map[0];
4189
4190 /* If firmware needs to be loaded */
4191 if (qla2x00_isp_firmware(vha)) {
4192 vha->flags.online = 0;
4193 status = ha->isp_ops->chip_diag(vha);
4194 if (!status)
4195 status = qla2x00_setup_chip(vha);
4196 }
4197
4198 if (!status && !(status = qla2x00_init_rings(vha))) {
4199 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4200 ha->flags.chip_reset_done = 1;
4201 /* Initialize the queues in use */
4202 qla25xx_init_queues(ha);
4203
4204 status = qla2x00_fw_ready(vha);
4205 if (!status) {
4206 DEBUG(printk("%s(): Start configure loop, "
4207 "status = %d\n", __func__, status));
4208
4209 /* Issue a marker after FW becomes ready. */
4210 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4211
4212 vha->flags.online = 1;
4213 /* Wait at most MAX_TARGET RSCNs for a stable link. */
4214 wait_time = 256;
4215 do {
4216 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4217 qla2x00_configure_loop(vha);
4218 wait_time--;
4219 } while (!atomic_read(&vha->loop_down_timer) &&
4220 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4221 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4222 &vha->dpc_flags)));
4223 }
4224
4225 /* if no cable then assume it's good */
4226 if ((vha->device_flags & DFLG_NO_CABLE))
4227 status = 0;
4228
4229 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
4230 __func__,
4231 status));
4232 }
4233 return (status);
4234 }
4235
4236 static int
4237 qla25xx_init_queues(struct qla_hw_data *ha)
4238 {
4239 struct rsp_que *rsp = NULL;
4240 struct req_que *req = NULL;
4241 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4242 int ret = -1;
4243 int i;
4244
4245 for (i = 1; i < ha->max_rsp_queues; i++) {
4246 rsp = ha->rsp_q_map[i];
4247 if (rsp) {
4248 rsp->options &= ~BIT_0;
4249 ret = qla25xx_init_rsp_que(base_vha, rsp);
4250 if (ret != QLA_SUCCESS)
4251 DEBUG2_17(printk(KERN_WARNING
4252 "%s Rsp que:%d init failed\n", __func__,
4253 rsp->id));
4254 else
4255 DEBUG2_17(printk(KERN_INFO
4256 "%s Rsp que:%d inited\n", __func__,
4257 rsp->id));
4258 }
4259 }
4260 for (i = 1; i < ha->max_req_queues; i++) {
4261 req = ha->req_q_map[i];
4262 if (req) {
4263 /* Clear outstanding commands array. */
4264 req->options &= ~BIT_0;
4265 ret = qla25xx_init_req_que(base_vha, req);
4266 if (ret != QLA_SUCCESS)
4267 DEBUG2_17(printk(KERN_WARNING
4268 "%s Req que:%d init failed\n", __func__,
4269 req->id));
4270 else
4271 DEBUG2_17(printk(KERN_WARNING
4272 "%s Req que:%d inited\n", __func__,
4273 req->id));
4274 }
4275 }
4276 return ret;
4277 }
4278
4279 /*
4280 * qla2x00_reset_adapter
4281 * Reset adapter.
4282 *
4283 * Input:
4284 * ha = adapter block pointer.
4285 */
4286 void
4287 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4288 {
4289 unsigned long flags = 0;
4290 struct qla_hw_data *ha = vha->hw;
4291 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4292
4293 vha->flags.online = 0;
4294 ha->isp_ops->disable_intrs(ha);
4295
4296 spin_lock_irqsave(&ha->hardware_lock, flags);
4297 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4298 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4299 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4300 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4301 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4302 }
4303
4304 void
4305 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4306 {
4307 unsigned long flags = 0;
4308 struct qla_hw_data *ha = vha->hw;
4309 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4310
4311 if (IS_QLA82XX(ha))
4312 return;
4313
4314 vha->flags.online = 0;
4315 ha->isp_ops->disable_intrs(ha);
4316
4317 spin_lock_irqsave(&ha->hardware_lock, flags);
4318 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4319 RD_REG_DWORD(&reg->hccr);
4320 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4321 RD_REG_DWORD(&reg->hccr);
4322 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4323
4324 if (IS_NOPOLLING_TYPE(ha))
4325 ha->isp_ops->enable_intrs(ha);
4326 }
4327
4328 /* On sparc systems, obtain port and node WWN from firmware
4329 * properties.
4330 */
4331 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4332 struct nvram_24xx *nv)
4333 {
4334 #ifdef CONFIG_SPARC
4335 struct qla_hw_data *ha = vha->hw;
4336 struct pci_dev *pdev = ha->pdev;
4337 struct device_node *dp = pci_device_to_OF_node(pdev);
4338 const u8 *val;
4339 int len;
4340
4341 val = of_get_property(dp, "port-wwn", &len);
4342 if (val && len >= WWN_SIZE)
4343 memcpy(nv->port_name, val, WWN_SIZE);
4344
4345 val = of_get_property(dp, "node-wwn", &len);
4346 if (val && len >= WWN_SIZE)
4347 memcpy(nv->node_name, val, WWN_SIZE);
4348 #endif
4349 }
4350
4351 int
4352 qla24xx_nvram_config(scsi_qla_host_t *vha)
4353 {
4354 int rval;
4355 struct init_cb_24xx *icb;
4356 struct nvram_24xx *nv;
4357 uint32_t *dptr;
4358 uint8_t *dptr1, *dptr2;
4359 uint32_t chksum;
4360 uint16_t cnt;
4361 struct qla_hw_data *ha = vha->hw;
4362
4363 rval = QLA_SUCCESS;
4364 icb = (struct init_cb_24xx *)ha->init_cb;
4365 nv = ha->nvram;
4366
4367 /* Determine NVRAM starting address. */
4368 if (ha->flags.port0) {
4369 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4370 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4371 } else {
4372 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4373 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4374 }
4375 ha->nvram_size = sizeof(struct nvram_24xx);
4376 ha->vpd_size = FA_NVRAM_VPD_SIZE;
4377 if (IS_QLA82XX(ha))
4378 ha->vpd_size = FA_VPD_SIZE_82XX;
4379
4380 /* Get VPD data into cache */
4381 ha->vpd = ha->nvram + VPD_OFFSET;
4382 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4383 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4384
4385 /* Get NVRAM data into cache and calculate checksum. */
4386 dptr = (uint32_t *)nv;
4387 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4388 ha->nvram_size);
4389 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4390 chksum += le32_to_cpu(*dptr++);
4391
4392 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4393 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4394
4395 /* Bad NVRAM data, set defaults parameters. */
4396 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4397 || nv->id[3] != ' ' ||
4398 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4399 /* Reset NVRAM data. */
4400 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4401 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4402 le16_to_cpu(nv->nvram_version));
4403 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4404 "invalid -- WWPN) defaults.\n");
4405
4406 /*
4407 * Set default initialization control block.
4408 */
4409 memset(nv, 0, ha->nvram_size);
4410 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4411 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4412 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4413 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4414 nv->exchange_count = __constant_cpu_to_le16(0);
4415 nv->hard_address = __constant_cpu_to_le16(124);
4416 nv->port_name[0] = 0x21;
4417 nv->port_name[1] = 0x00 + ha->port_no;
4418 nv->port_name[2] = 0x00;
4419 nv->port_name[3] = 0xe0;
4420 nv->port_name[4] = 0x8b;
4421 nv->port_name[5] = 0x1c;
4422 nv->port_name[6] = 0x55;
4423 nv->port_name[7] = 0x86;
4424 nv->node_name[0] = 0x20;
4425 nv->node_name[1] = 0x00;
4426 nv->node_name[2] = 0x00;
4427 nv->node_name[3] = 0xe0;
4428 nv->node_name[4] = 0x8b;
4429 nv->node_name[5] = 0x1c;
4430 nv->node_name[6] = 0x55;
4431 nv->node_name[7] = 0x86;
4432 qla24xx_nvram_wwn_from_ofw(vha, nv);
4433 nv->login_retry_count = __constant_cpu_to_le16(8);
4434 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4435 nv->login_timeout = __constant_cpu_to_le16(0);
4436 nv->firmware_options_1 =
4437 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4438 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4439 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4440 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4441 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4442 nv->efi_parameters = __constant_cpu_to_le32(0);
4443 nv->reset_delay = 5;
4444 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4445 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4446 nv->link_down_timeout = __constant_cpu_to_le16(30);
4447
4448 rval = 1;
4449 }
4450
4451 /* Reset Initialization control block */
4452 memset(icb, 0, ha->init_cb_size);
4453
4454 /* Copy 1st segment. */
4455 dptr1 = (uint8_t *)icb;
4456 dptr2 = (uint8_t *)&nv->version;
4457 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4458 while (cnt--)
4459 *dptr1++ = *dptr2++;
4460
4461 icb->login_retry_count = nv->login_retry_count;
4462 icb->link_down_on_nos = nv->link_down_on_nos;
4463
4464 /* Copy 2nd segment. */
4465 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4466 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4467 cnt = (uint8_t *)&icb->reserved_3 -
4468 (uint8_t *)&icb->interrupt_delay_timer;
4469 while (cnt--)
4470 *dptr1++ = *dptr2++;
4471
4472 /*
4473 * Setup driver NVRAM options.
4474 */
4475 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4476 "QLA2462");
4477
4478 /* Use alternate WWN? */
4479 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4480 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4481 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4482 }
4483
4484 /* Prepare nodename */
4485 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4486 /*
4487 * Firmware will apply the following mask if the nodename was
4488 * not provided.
4489 */
4490 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4491 icb->node_name[0] &= 0xF0;
4492 }
4493
4494 /* Set host adapter parameters. */
4495 ha->flags.disable_risc_code_load = 0;
4496 ha->flags.enable_lip_reset = 0;
4497 ha->flags.enable_lip_full_login =
4498 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4499 ha->flags.enable_target_reset =
4500 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4501 ha->flags.enable_led_scheme = 0;
4502 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4503
4504 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4505 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4506
4507 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4508 sizeof(ha->fw_seriallink_options24));
4509
4510 /* save HBA serial number */
4511 ha->serial0 = icb->port_name[5];
4512 ha->serial1 = icb->port_name[6];
4513 ha->serial2 = icb->port_name[7];
4514 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4515 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4516
4517 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4518
4519 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4520
4521 /* Set minimum login_timeout to 4 seconds. */
4522 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4523 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4524 if (le16_to_cpu(nv->login_timeout) < 4)
4525 nv->login_timeout = __constant_cpu_to_le16(4);
4526 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4527 icb->login_timeout = nv->login_timeout;
4528
4529 /* Set minimum RATOV to 100 tenths of a second. */
4530 ha->r_a_tov = 100;
4531
4532 ha->loop_reset_delay = nv->reset_delay;
4533
4534 /* Link Down Timeout = 0:
4535 *
4536 * When Port Down timer expires we will start returning
4537 * I/O's to OS with "DID_NO_CONNECT".
4538 *
4539 * Link Down Timeout != 0:
4540 *
4541 * The driver waits for the link to come up after link down
4542 * before returning I/Os to OS with "DID_NO_CONNECT".
4543 */
4544 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4545 ha->loop_down_abort_time =
4546 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4547 } else {
4548 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4549 ha->loop_down_abort_time =
4550 (LOOP_DOWN_TIME - ha->link_down_timeout);
4551 }
4552
4553 /* Need enough time to try and get the port back. */
4554 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4555 if (qlport_down_retry)
4556 ha->port_down_retry_count = qlport_down_retry;
4557
4558 /* Set login_retry_count */
4559 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4560 if (ha->port_down_retry_count ==
4561 le16_to_cpu(nv->port_down_retry_count) &&
4562 ha->port_down_retry_count > 3)
4563 ha->login_retry_count = ha->port_down_retry_count;
4564 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4565 ha->login_retry_count = ha->port_down_retry_count;
4566 if (ql2xloginretrycount)
4567 ha->login_retry_count = ql2xloginretrycount;
4568
4569 /* Enable ZIO. */
4570 if (!vha->flags.init_done) {
4571 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4572 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4573 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4574 le16_to_cpu(icb->interrupt_delay_timer): 2;
4575 }
4576 icb->firmware_options_2 &= __constant_cpu_to_le32(
4577 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4578 vha->flags.process_response_queue = 0;
4579 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4580 ha->zio_mode = QLA_ZIO_MODE_6;
4581
4582 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4583 "(%d us).\n", vha->host_no, ha->zio_mode,
4584 ha->zio_timer * 100));
4585 qla_printk(KERN_INFO, ha,
4586 "ZIO mode %d enabled; timer delay (%d us).\n",
4587 ha->zio_mode, ha->zio_timer * 100);
4588
4589 icb->firmware_options_2 |= cpu_to_le32(
4590 (uint32_t)ha->zio_mode);
4591 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4592 vha->flags.process_response_queue = 1;
4593 }
4594
4595 if (rval) {
4596 DEBUG2_3(printk(KERN_WARNING
4597 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4598 }
4599 return (rval);
4600 }
4601
4602 static int
4603 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4604 uint32_t faddr)
4605 {
4606 int rval = QLA_SUCCESS;
4607 int segments, fragment;
4608 uint32_t *dcode, dlen;
4609 uint32_t risc_addr;
4610 uint32_t risc_size;
4611 uint32_t i;
4612 struct qla_hw_data *ha = vha->hw;
4613 struct req_que *req = ha->req_q_map[0];
4614
4615 qla_printk(KERN_INFO, ha,
4616 "FW: Loading from flash (%x)...\n", faddr);
4617
4618 rval = QLA_SUCCESS;
4619
4620 segments = FA_RISC_CODE_SEGMENTS;
4621 dcode = (uint32_t *)req->ring;
4622 *srisc_addr = 0;
4623
4624 /* Validate firmware image by checking version. */
4625 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4626 for (i = 0; i < 4; i++)
4627 dcode[i] = be32_to_cpu(dcode[i]);
4628 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4629 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4630 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4631 dcode[3] == 0)) {
4632 qla_printk(KERN_WARNING, ha,
4633 "Unable to verify integrity of flash firmware image!\n");
4634 qla_printk(KERN_WARNING, ha,
4635 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4636 dcode[1], dcode[2], dcode[3]);
4637
4638 return QLA_FUNCTION_FAILED;
4639 }
4640
4641 while (segments && rval == QLA_SUCCESS) {
4642 /* Read segment's load information. */
4643 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4644
4645 risc_addr = be32_to_cpu(dcode[2]);
4646 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4647 risc_size = be32_to_cpu(dcode[3]);
4648
4649 fragment = 0;
4650 while (risc_size > 0 && rval == QLA_SUCCESS) {
4651 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4652 if (dlen > risc_size)
4653 dlen = risc_size;
4654
4655 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4656 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4657 vha->host_no, risc_addr, dlen, faddr));
4658
4659 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4660 for (i = 0; i < dlen; i++)
4661 dcode[i] = swab32(dcode[i]);
4662
4663 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4664 dlen);
4665 if (rval) {
4666 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4667 "segment %d of firmware\n", vha->host_no,
4668 fragment));
4669 qla_printk(KERN_WARNING, ha,
4670 "[ERROR] Failed to load segment %d of "
4671 "firmware\n", fragment);
4672 break;
4673 }
4674
4675 faddr += dlen;
4676 risc_addr += dlen;
4677 risc_size -= dlen;
4678 fragment++;
4679 }
4680
4681 /* Next segment. */
4682 segments--;
4683 }
4684
4685 return rval;
4686 }
4687
4688 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4689
4690 int
4691 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4692 {
4693 int rval;
4694 int i, fragment;
4695 uint16_t *wcode, *fwcode;
4696 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4697 struct fw_blob *blob;
4698 struct qla_hw_data *ha = vha->hw;
4699 struct req_que *req = ha->req_q_map[0];
4700
4701 /* Load firmware blob. */
4702 blob = qla2x00_request_firmware(vha);
4703 if (!blob) {
4704 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4705 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4706 "from: " QLA_FW_URL ".\n");
4707 return QLA_FUNCTION_FAILED;
4708 }
4709
4710 rval = QLA_SUCCESS;
4711
4712 wcode = (uint16_t *)req->ring;
4713 *srisc_addr = 0;
4714 fwcode = (uint16_t *)blob->fw->data;
4715 fwclen = 0;
4716
4717 /* Validate firmware image by checking version. */
4718 if (blob->fw->size < 8 * sizeof(uint16_t)) {
4719 qla_printk(KERN_WARNING, ha,
4720 "Unable to verify integrity of firmware image (%Zd)!\n",
4721 blob->fw->size);
4722 goto fail_fw_integrity;
4723 }
4724 for (i = 0; i < 4; i++)
4725 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4726 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4727 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4728 wcode[2] == 0 && wcode[3] == 0)) {
4729 qla_printk(KERN_WARNING, ha,
4730 "Unable to verify integrity of firmware image!\n");
4731 qla_printk(KERN_WARNING, ha,
4732 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4733 wcode[1], wcode[2], wcode[3]);
4734 goto fail_fw_integrity;
4735 }
4736
4737 seg = blob->segs;
4738 while (*seg && rval == QLA_SUCCESS) {
4739 risc_addr = *seg;
4740 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4741 risc_size = be16_to_cpu(fwcode[3]);
4742
4743 /* Validate firmware image size. */
4744 fwclen += risc_size * sizeof(uint16_t);
4745 if (blob->fw->size < fwclen) {
4746 qla_printk(KERN_WARNING, ha,
4747 "Unable to verify integrity of firmware image "
4748 "(%Zd)!\n", blob->fw->size);
4749 goto fail_fw_integrity;
4750 }
4751
4752 fragment = 0;
4753 while (risc_size > 0 && rval == QLA_SUCCESS) {
4754 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4755 if (wlen > risc_size)
4756 wlen = risc_size;
4757
4758 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4759 "addr %x, number of words 0x%x.\n", vha->host_no,
4760 risc_addr, wlen));
4761
4762 for (i = 0; i < wlen; i++)
4763 wcode[i] = swab16(fwcode[i]);
4764
4765 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4766 wlen);
4767 if (rval) {
4768 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4769 "segment %d of firmware\n", vha->host_no,
4770 fragment));
4771 qla_printk(KERN_WARNING, ha,
4772 "[ERROR] Failed to load segment %d of "
4773 "firmware\n", fragment);
4774 break;
4775 }
4776
4777 fwcode += wlen;
4778 risc_addr += wlen;
4779 risc_size -= wlen;
4780 fragment++;
4781 }
4782
4783 /* Next segment. */
4784 seg++;
4785 }
4786 return rval;
4787
4788 fail_fw_integrity:
4789 return QLA_FUNCTION_FAILED;
4790 }
4791
4792 static int
4793 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4794 {
4795 int rval;
4796 int segments, fragment;
4797 uint32_t *dcode, dlen;
4798 uint32_t risc_addr;
4799 uint32_t risc_size;
4800 uint32_t i;
4801 struct fw_blob *blob;
4802 uint32_t *fwcode, fwclen;
4803 struct qla_hw_data *ha = vha->hw;
4804 struct req_que *req = ha->req_q_map[0];
4805
4806 /* Load firmware blob. */
4807 blob = qla2x00_request_firmware(vha);
4808 if (!blob) {
4809 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4810 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4811 "from: " QLA_FW_URL ".\n");
4812
4813 return QLA_FUNCTION_FAILED;
4814 }
4815
4816 qla_printk(KERN_INFO, ha,
4817 "FW: Loading via request-firmware...\n");
4818
4819 rval = QLA_SUCCESS;
4820
4821 segments = FA_RISC_CODE_SEGMENTS;
4822 dcode = (uint32_t *)req->ring;
4823 *srisc_addr = 0;
4824 fwcode = (uint32_t *)blob->fw->data;
4825 fwclen = 0;
4826
4827 /* Validate firmware image by checking version. */
4828 if (blob->fw->size < 8 * sizeof(uint32_t)) {
4829 qla_printk(KERN_WARNING, ha,
4830 "Unable to verify integrity of firmware image (%Zd)!\n",
4831 blob->fw->size);
4832 goto fail_fw_integrity;
4833 }
4834 for (i = 0; i < 4; i++)
4835 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4836 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4837 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4838 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4839 dcode[3] == 0)) {
4840 qla_printk(KERN_WARNING, ha,
4841 "Unable to verify integrity of firmware image!\n");
4842 qla_printk(KERN_WARNING, ha,
4843 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4844 dcode[1], dcode[2], dcode[3]);
4845 goto fail_fw_integrity;
4846 }
4847
4848 while (segments && rval == QLA_SUCCESS) {
4849 risc_addr = be32_to_cpu(fwcode[2]);
4850 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4851 risc_size = be32_to_cpu(fwcode[3]);
4852
4853 /* Validate firmware image size. */
4854 fwclen += risc_size * sizeof(uint32_t);
4855 if (blob->fw->size < fwclen) {
4856 qla_printk(KERN_WARNING, ha,
4857 "Unable to verify integrity of firmware image "
4858 "(%Zd)!\n", blob->fw->size);
4859
4860 goto fail_fw_integrity;
4861 }
4862
4863 fragment = 0;
4864 while (risc_size > 0 && rval == QLA_SUCCESS) {
4865 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4866 if (dlen > risc_size)
4867 dlen = risc_size;
4868
4869 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4870 "addr %x, number of dwords 0x%x.\n", vha->host_no,
4871 risc_addr, dlen));
4872
4873 for (i = 0; i < dlen; i++)
4874 dcode[i] = swab32(fwcode[i]);
4875
4876 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4877 dlen);
4878 if (rval) {
4879 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4880 "segment %d of firmware\n", vha->host_no,
4881 fragment));
4882 qla_printk(KERN_WARNING, ha,
4883 "[ERROR] Failed to load segment %d of "
4884 "firmware\n", fragment);
4885 break;
4886 }
4887
4888 fwcode += dlen;
4889 risc_addr += dlen;
4890 risc_size -= dlen;
4891 fragment++;
4892 }
4893
4894 /* Next segment. */
4895 segments--;
4896 }
4897 return rval;
4898
4899 fail_fw_integrity:
4900 return QLA_FUNCTION_FAILED;
4901 }
4902
4903 int
4904 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4905 {
4906 int rval;
4907
4908 if (ql2xfwloadbin == 1)
4909 return qla81xx_load_risc(vha, srisc_addr);
4910
4911 /*
4912 * FW Load priority:
4913 * 1) Firmware via request-firmware interface (.bin file).
4914 * 2) Firmware residing in flash.
4915 */
4916 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4917 if (rval == QLA_SUCCESS)
4918 return rval;
4919
4920 return qla24xx_load_risc_flash(vha, srisc_addr,
4921 vha->hw->flt_region_fw);
4922 }
4923
4924 int
4925 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4926 {
4927 int rval;
4928 struct qla_hw_data *ha = vha->hw;
4929
4930 if (ql2xfwloadbin == 2)
4931 goto try_blob_fw;
4932
4933 /*
4934 * FW Load priority:
4935 * 1) Firmware residing in flash.
4936 * 2) Firmware via request-firmware interface (.bin file).
4937 * 3) Golden-Firmware residing in flash -- limited operation.
4938 */
4939 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4940 if (rval == QLA_SUCCESS)
4941 return rval;
4942
4943 try_blob_fw:
4944 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4945 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4946 return rval;
4947
4948 qla_printk(KERN_ERR, ha,
4949 "FW: Attempting to fallback to golden firmware...\n");
4950 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4951 if (rval != QLA_SUCCESS)
4952 return rval;
4953
4954 qla_printk(KERN_ERR, ha,
4955 "FW: Please update operational firmware...\n");
4956 ha->flags.running_gold_fw = 1;
4957
4958 return rval;
4959 }
4960
4961 void
4962 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4963 {
4964 int ret, retries;
4965 struct qla_hw_data *ha = vha->hw;
4966
4967 if (ha->flags.pci_channel_io_perm_failure)
4968 return;
4969 if (!IS_FWI2_CAPABLE(ha))
4970 return;
4971 if (!ha->fw_major_version)
4972 return;
4973
4974 ret = qla2x00_stop_firmware(vha);
4975 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4976 ret != QLA_INVALID_COMMAND && retries ; retries--) {
4977 ha->isp_ops->reset_chip(vha);
4978 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4979 continue;
4980 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4981 continue;
4982 qla_printk(KERN_INFO, ha,
4983 "Attempting retry of stop-firmware command...\n");
4984 ret = qla2x00_stop_firmware(vha);
4985 }
4986 }
4987
4988 int
4989 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4990 {
4991 int rval = QLA_SUCCESS;
4992 uint16_t mb[MAILBOX_REGISTER_COUNT];
4993 struct qla_hw_data *ha = vha->hw;
4994 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4995 struct req_que *req;
4996 struct rsp_que *rsp;
4997
4998 if (!vha->vp_idx)
4999 return -EINVAL;
5000
5001 rval = qla2x00_fw_ready(base_vha);
5002 if (ha->flags.cpu_affinity_enabled)
5003 req = ha->req_q_map[0];
5004 else
5005 req = vha->req;
5006 rsp = req->rsp;
5007
5008 if (rval == QLA_SUCCESS) {
5009 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5010 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5011 }
5012
5013 vha->flags.management_server_logged_in = 0;
5014
5015 /* Login to SNS first */
5016 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
5017 if (mb[0] != MBS_COMMAND_COMPLETE) {
5018 DEBUG15(qla_printk(KERN_INFO, ha,
5019 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5020 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
5021 mb[0], mb[1], mb[2], mb[6], mb[7]));
5022 return (QLA_FUNCTION_FAILED);
5023 }
5024
5025 atomic_set(&vha->loop_down_timer, 0);
5026 atomic_set(&vha->loop_state, LOOP_UP);
5027 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5028 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5029 rval = qla2x00_loop_resync(base_vha);
5030
5031 return rval;
5032 }
5033
5034 /* 84XX Support **************************************************************/
5035
5036 static LIST_HEAD(qla_cs84xx_list);
5037 static DEFINE_MUTEX(qla_cs84xx_mutex);
5038
5039 static struct qla_chip_state_84xx *
5040 qla84xx_get_chip(struct scsi_qla_host *vha)
5041 {
5042 struct qla_chip_state_84xx *cs84xx;
5043 struct qla_hw_data *ha = vha->hw;
5044
5045 mutex_lock(&qla_cs84xx_mutex);
5046
5047 /* Find any shared 84xx chip. */
5048 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5049 if (cs84xx->bus == ha->pdev->bus) {
5050 kref_get(&cs84xx->kref);
5051 goto done;
5052 }
5053 }
5054
5055 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5056 if (!cs84xx)
5057 goto done;
5058
5059 kref_init(&cs84xx->kref);
5060 spin_lock_init(&cs84xx->access_lock);
5061 mutex_init(&cs84xx->fw_update_mutex);
5062 cs84xx->bus = ha->pdev->bus;
5063
5064 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5065 done:
5066 mutex_unlock(&qla_cs84xx_mutex);
5067 return cs84xx;
5068 }
5069
5070 static void
5071 __qla84xx_chip_release(struct kref *kref)
5072 {
5073 struct qla_chip_state_84xx *cs84xx =
5074 container_of(kref, struct qla_chip_state_84xx, kref);
5075
5076 mutex_lock(&qla_cs84xx_mutex);
5077 list_del(&cs84xx->list);
5078 mutex_unlock(&qla_cs84xx_mutex);
5079 kfree(cs84xx);
5080 }
5081
5082 void
5083 qla84xx_put_chip(struct scsi_qla_host *vha)
5084 {
5085 struct qla_hw_data *ha = vha->hw;
5086 if (ha->cs84xx)
5087 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5088 }
5089
5090 static int
5091 qla84xx_init_chip(scsi_qla_host_t *vha)
5092 {
5093 int rval;
5094 uint16_t status[2];
5095 struct qla_hw_data *ha = vha->hw;
5096
5097 mutex_lock(&ha->cs84xx->fw_update_mutex);
5098
5099 rval = qla84xx_verify_chip(vha, status);
5100
5101 mutex_unlock(&ha->cs84xx->fw_update_mutex);
5102
5103 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5104 QLA_SUCCESS;
5105 }
5106
5107 /* 81XX Support **************************************************************/
5108
5109 int
5110 qla81xx_nvram_config(scsi_qla_host_t *vha)
5111 {
5112 int rval;
5113 struct init_cb_81xx *icb;
5114 struct nvram_81xx *nv;
5115 uint32_t *dptr;
5116 uint8_t *dptr1, *dptr2;
5117 uint32_t chksum;
5118 uint16_t cnt;
5119 struct qla_hw_data *ha = vha->hw;
5120
5121 rval = QLA_SUCCESS;
5122 icb = (struct init_cb_81xx *)ha->init_cb;
5123 nv = ha->nvram;
5124
5125 /* Determine NVRAM starting address. */
5126 ha->nvram_size = sizeof(struct nvram_81xx);
5127 ha->vpd_size = FA_NVRAM_VPD_SIZE;
5128
5129 /* Get VPD data into cache */
5130 ha->vpd = ha->nvram + VPD_OFFSET;
5131 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5132 ha->vpd_size);
5133
5134 /* Get NVRAM data into cache and calculate checksum. */
5135 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5136 ha->nvram_size);
5137 dptr = (uint32_t *)nv;
5138 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5139 chksum += le32_to_cpu(*dptr++);
5140
5141 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
5142 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
5143
5144 /* Bad NVRAM data, set defaults parameters. */
5145 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5146 || nv->id[3] != ' ' ||
5147 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5148 /* Reset NVRAM data. */
5149 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
5150 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
5151 le16_to_cpu(nv->nvram_version));
5152 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
5153 "invalid -- WWPN) defaults.\n");
5154
5155 /*
5156 * Set default initialization control block.
5157 */
5158 memset(nv, 0, ha->nvram_size);
5159 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5160 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5161 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5162 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5163 nv->exchange_count = __constant_cpu_to_le16(0);
5164 nv->port_name[0] = 0x21;
5165 nv->port_name[1] = 0x00 + ha->port_no;
5166 nv->port_name[2] = 0x00;
5167 nv->port_name[3] = 0xe0;
5168 nv->port_name[4] = 0x8b;
5169 nv->port_name[5] = 0x1c;
5170 nv->port_name[6] = 0x55;
5171 nv->port_name[7] = 0x86;
5172 nv->node_name[0] = 0x20;
5173 nv->node_name[1] = 0x00;
5174 nv->node_name[2] = 0x00;
5175 nv->node_name[3] = 0xe0;
5176 nv->node_name[4] = 0x8b;
5177 nv->node_name[5] = 0x1c;
5178 nv->node_name[6] = 0x55;
5179 nv->node_name[7] = 0x86;
5180 nv->login_retry_count = __constant_cpu_to_le16(8);
5181 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5182 nv->login_timeout = __constant_cpu_to_le16(0);
5183 nv->firmware_options_1 =
5184 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5185 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5186 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5187 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5188 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5189 nv->efi_parameters = __constant_cpu_to_le32(0);
5190 nv->reset_delay = 5;
5191 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5192 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5193 nv->link_down_timeout = __constant_cpu_to_le16(30);
5194 nv->enode_mac[0] = 0x00;
5195 nv->enode_mac[1] = 0x02;
5196 nv->enode_mac[2] = 0x03;
5197 nv->enode_mac[3] = 0x04;
5198 nv->enode_mac[4] = 0x05;
5199 nv->enode_mac[5] = 0x06 + ha->port_no;
5200
5201 rval = 1;
5202 }
5203
5204 /* Reset Initialization control block */
5205 memset(icb, 0, sizeof(struct init_cb_81xx));
5206
5207 /* Copy 1st segment. */
5208 dptr1 = (uint8_t *)icb;
5209 dptr2 = (uint8_t *)&nv->version;
5210 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5211 while (cnt--)
5212 *dptr1++ = *dptr2++;
5213
5214 icb->login_retry_count = nv->login_retry_count;
5215
5216 /* Copy 2nd segment. */
5217 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5218 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5219 cnt = (uint8_t *)&icb->reserved_5 -
5220 (uint8_t *)&icb->interrupt_delay_timer;
5221 while (cnt--)
5222 *dptr1++ = *dptr2++;
5223
5224 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5225 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5226 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5227 icb->enode_mac[0] = 0x01;
5228 icb->enode_mac[1] = 0x02;
5229 icb->enode_mac[2] = 0x03;
5230 icb->enode_mac[3] = 0x04;
5231 icb->enode_mac[4] = 0x05;
5232 icb->enode_mac[5] = 0x06 + ha->port_no;
5233 }
5234
5235 /* Use extended-initialization control block. */
5236 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5237
5238 /*
5239 * Setup driver NVRAM options.
5240 */
5241 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5242 "QLE8XXX");
5243
5244 /* Use alternate WWN? */
5245 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5246 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5247 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5248 }
5249
5250 /* Prepare nodename */
5251 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5252 /*
5253 * Firmware will apply the following mask if the nodename was
5254 * not provided.
5255 */
5256 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5257 icb->node_name[0] &= 0xF0;
5258 }
5259
5260 /* Set host adapter parameters. */
5261 ha->flags.disable_risc_code_load = 0;
5262 ha->flags.enable_lip_reset = 0;
5263 ha->flags.enable_lip_full_login =
5264 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5265 ha->flags.enable_target_reset =
5266 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5267 ha->flags.enable_led_scheme = 0;
5268 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5269
5270 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5271 (BIT_6 | BIT_5 | BIT_4)) >> 4;
5272
5273 /* save HBA serial number */
5274 ha->serial0 = icb->port_name[5];
5275 ha->serial1 = icb->port_name[6];
5276 ha->serial2 = icb->port_name[7];
5277 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5278 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5279
5280 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5281
5282 ha->retry_count = le16_to_cpu(nv->login_retry_count);
5283
5284 /* Set minimum login_timeout to 4 seconds. */
5285 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5286 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5287 if (le16_to_cpu(nv->login_timeout) < 4)
5288 nv->login_timeout = __constant_cpu_to_le16(4);
5289 ha->login_timeout = le16_to_cpu(nv->login_timeout);
5290 icb->login_timeout = nv->login_timeout;
5291
5292 /* Set minimum RATOV to 100 tenths of a second. */
5293 ha->r_a_tov = 100;
5294
5295 ha->loop_reset_delay = nv->reset_delay;
5296
5297 /* Link Down Timeout = 0:
5298 *
5299 * When Port Down timer expires we will start returning
5300 * I/O's to OS with "DID_NO_CONNECT".
5301 *
5302 * Link Down Timeout != 0:
5303 *
5304 * The driver waits for the link to come up after link down
5305 * before returning I/Os to OS with "DID_NO_CONNECT".
5306 */
5307 if (le16_to_cpu(nv->link_down_timeout) == 0) {
5308 ha->loop_down_abort_time =
5309 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5310 } else {
5311 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5312 ha->loop_down_abort_time =
5313 (LOOP_DOWN_TIME - ha->link_down_timeout);
5314 }
5315
5316 /* Need enough time to try and get the port back. */
5317 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5318 if (qlport_down_retry)
5319 ha->port_down_retry_count = qlport_down_retry;
5320
5321 /* Set login_retry_count */
5322 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
5323 if (ha->port_down_retry_count ==
5324 le16_to_cpu(nv->port_down_retry_count) &&
5325 ha->port_down_retry_count > 3)
5326 ha->login_retry_count = ha->port_down_retry_count;
5327 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5328 ha->login_retry_count = ha->port_down_retry_count;
5329 if (ql2xloginretrycount)
5330 ha->login_retry_count = ql2xloginretrycount;
5331
5332 /* Enable ZIO. */
5333 if (!vha->flags.init_done) {
5334 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5335 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5336 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5337 le16_to_cpu(icb->interrupt_delay_timer): 2;
5338 }
5339 icb->firmware_options_2 &= __constant_cpu_to_le32(
5340 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5341 vha->flags.process_response_queue = 0;
5342 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5343 ha->zio_mode = QLA_ZIO_MODE_6;
5344
5345 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
5346 "(%d us).\n", vha->host_no, ha->zio_mode,
5347 ha->zio_timer * 100));
5348 qla_printk(KERN_INFO, ha,
5349 "ZIO mode %d enabled; timer delay (%d us).\n",
5350 ha->zio_mode, ha->zio_timer * 100);
5351
5352 icb->firmware_options_2 |= cpu_to_le32(
5353 (uint32_t)ha->zio_mode);
5354 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5355 vha->flags.process_response_queue = 1;
5356 }
5357
5358 if (rval) {
5359 DEBUG2_3(printk(KERN_WARNING
5360 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
5361 }
5362 return (rval);
5363 }
5364
5365 int
5366 qla82xx_restart_isp(scsi_qla_host_t *vha)
5367 {
5368 int status, rval;
5369 uint32_t wait_time;
5370 struct qla_hw_data *ha = vha->hw;
5371 struct req_que *req = ha->req_q_map[0];
5372 struct rsp_que *rsp = ha->rsp_q_map[0];
5373 struct scsi_qla_host *vp;
5374 unsigned long flags;
5375
5376 status = qla2x00_init_rings(vha);
5377 if (!status) {
5378 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5379 ha->flags.chip_reset_done = 1;
5380
5381 status = qla2x00_fw_ready(vha);
5382 if (!status) {
5383 qla_printk(KERN_INFO, ha,
5384 "%s(): Start configure loop, "
5385 "status = %d\n", __func__, status);
5386
5387 /* Issue a marker after FW becomes ready. */
5388 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5389
5390 vha->flags.online = 1;
5391 /* Wait at most MAX_TARGET RSCNs for a stable link. */
5392 wait_time = 256;
5393 do {
5394 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5395 qla2x00_configure_loop(vha);
5396 wait_time--;
5397 } while (!atomic_read(&vha->loop_down_timer) &&
5398 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5399 wait_time &&
5400 (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5401 }
5402
5403 /* if no cable then assume it's good */
5404 if ((vha->device_flags & DFLG_NO_CABLE))
5405 status = 0;
5406
5407 qla_printk(KERN_INFO, ha,
5408 "%s(): Configure loop done, status = 0x%x\n",
5409 __func__, status);
5410 }
5411
5412 if (!status) {
5413 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5414
5415 if (!atomic_read(&vha->loop_down_timer)) {
5416 /*
5417 * Issue marker command only when we are going
5418 * to start the I/O .
5419 */
5420 vha->marker_needed = 1;
5421 }
5422
5423 vha->flags.online = 1;
5424
5425 ha->isp_ops->enable_intrs(ha);
5426
5427 ha->isp_abort_cnt = 0;
5428 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5429
5430 if (ha->fce) {
5431 ha->flags.fce_enabled = 1;
5432 memset(ha->fce, 0,
5433 fce_calc_size(ha->fce_bufs));
5434 rval = qla2x00_enable_fce_trace(vha,
5435 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5436 &ha->fce_bufs);
5437 if (rval) {
5438 qla_printk(KERN_WARNING, ha,
5439 "Unable to reinitialize FCE "
5440 "(%d).\n", rval);
5441 ha->flags.fce_enabled = 0;
5442 }
5443 }
5444
5445 if (ha->eft) {
5446 memset(ha->eft, 0, EFT_SIZE);
5447 rval = qla2x00_enable_eft_trace(vha,
5448 ha->eft_dma, EFT_NUM_BUFFERS);
5449 if (rval) {
5450 qla_printk(KERN_WARNING, ha,
5451 "Unable to reinitialize EFT "
5452 "(%d).\n", rval);
5453 }
5454 }
5455 }
5456
5457 if (!status) {
5458 DEBUG(printk(KERN_INFO
5459 "qla82xx_restart_isp(%ld): succeeded.\n",
5460 vha->host_no));
5461
5462 spin_lock_irqsave(&ha->vport_slock, flags);
5463 list_for_each_entry(vp, &ha->vp_list, list) {
5464 if (vp->vp_idx) {
5465 atomic_inc(&vp->vref_count);
5466 spin_unlock_irqrestore(&ha->vport_slock, flags);
5467
5468 qla2x00_vp_abort_isp(vp);
5469
5470 spin_lock_irqsave(&ha->vport_slock, flags);
5471 atomic_dec(&vp->vref_count);
5472 }
5473 }
5474 spin_unlock_irqrestore(&ha->vport_slock, flags);
5475
5476 } else {
5477 qla_printk(KERN_INFO, ha,
5478 "qla82xx_restart_isp: **** FAILED ****\n");
5479 }
5480
5481 return status;
5482 }
5483
5484 void
5485 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5486 {
5487 struct qla_hw_data *ha = vha->hw;
5488
5489 if (!ql2xetsenable)
5490 return;
5491
5492 /* Enable ETS Burst. */
5493 memset(ha->fw_options, 0, sizeof(ha->fw_options));
5494 ha->fw_options[2] |= BIT_9;
5495 qla2x00_set_fw_options(vha, ha->fw_options);
5496 }
5497
5498 /*
5499 * qla24xx_get_fcp_prio
5500 * Gets the fcp cmd priority value for the logged in port.
5501 * Looks for a match of the port descriptors within
5502 * each of the fcp prio config entries. If a match is found,
5503 * the tag (priority) value is returned.
5504 *
5505 * Input:
5506 * vha = scsi host structure pointer.
5507 * fcport = port structure pointer.
5508 *
5509 * Return:
5510 * non-zero (if found)
5511 * 0 (if not found)
5512 *
5513 * Context:
5514 * Kernel context
5515 */
5516 uint8_t
5517 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5518 {
5519 int i, entries;
5520 uint8_t pid_match, wwn_match;
5521 uint8_t priority;
5522 uint32_t pid1, pid2;
5523 uint64_t wwn1, wwn2;
5524 struct qla_fcp_prio_entry *pri_entry;
5525 struct qla_hw_data *ha = vha->hw;
5526
5527 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5528 return 0;
5529
5530 priority = 0;
5531 entries = ha->fcp_prio_cfg->num_entries;
5532 pri_entry = &ha->fcp_prio_cfg->entry[0];
5533
5534 for (i = 0; i < entries; i++) {
5535 pid_match = wwn_match = 0;
5536
5537 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5538 pri_entry++;
5539 continue;
5540 }
5541
5542 /* check source pid for a match */
5543 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5544 pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5545 pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5546 if (pid1 == INVALID_PORT_ID)
5547 pid_match++;
5548 else if (pid1 == pid2)
5549 pid_match++;
5550 }
5551
5552 /* check destination pid for a match */
5553 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5554 pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5555 pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5556 if (pid1 == INVALID_PORT_ID)
5557 pid_match++;
5558 else if (pid1 == pid2)
5559 pid_match++;
5560 }
5561
5562 /* check source WWN for a match */
5563 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5564 wwn1 = wwn_to_u64(vha->port_name);
5565 wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5566 if (wwn2 == (uint64_t)-1)
5567 wwn_match++;
5568 else if (wwn1 == wwn2)
5569 wwn_match++;
5570 }
5571
5572 /* check destination WWN for a match */
5573 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5574 wwn1 = wwn_to_u64(fcport->port_name);
5575 wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5576 if (wwn2 == (uint64_t)-1)
5577 wwn_match++;
5578 else if (wwn1 == wwn2)
5579 wwn_match++;
5580 }
5581
5582 if (pid_match == 2 || wwn_match == 2) {
5583 /* Found a matching entry */
5584 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5585 priority = pri_entry->tag;
5586 break;
5587 }
5588
5589 pri_entry++;
5590 }
5591
5592 return priority;
5593 }
5594
5595 /*
5596 * qla24xx_update_fcport_fcp_prio
5597 * Activates fcp priority for the logged in fc port
5598 *
5599 * Input:
5600 * vha = scsi host structure pointer.
5601 * fcp = port structure pointer.
5602 *
5603 * Return:
5604 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5605 *
5606 * Context:
5607 * Kernel context.
5608 */
5609 int
5610 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5611 {
5612 int ret;
5613 uint8_t priority;
5614 uint16_t mb[5];
5615
5616 if (fcport->port_type != FCT_TARGET ||
5617 fcport->loop_id == FC_NO_LOOP_ID)
5618 return QLA_FUNCTION_FAILED;
5619
5620 priority = qla24xx_get_fcp_prio(vha, fcport);
5621 ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
5622 if (ret == QLA_SUCCESS)
5623 fcport->fcp_prio = priority;
5624 else
5625 DEBUG2(printk(KERN_WARNING
5626 "scsi(%ld): Unable to activate fcp priority, "
5627 " ret=0x%x\n", vha->host_no, ret));
5628
5629 return ret;
5630 }
5631
5632 /*
5633 * qla24xx_update_all_fcp_prio
5634 * Activates fcp priority for all the logged in ports
5635 *
5636 * Input:
5637 * ha = adapter block pointer.
5638 *
5639 * Return:
5640 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5641 *
5642 * Context:
5643 * Kernel context.
5644 */
5645 int
5646 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5647 {
5648 int ret;
5649 fc_port_t *fcport;
5650
5651 ret = QLA_FUNCTION_FAILED;
5652 /* We need to set priority for all logged in ports */
5653 list_for_each_entry(fcport, &vha->vp_fcports, list)
5654 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5655
5656 return ret;
5657 }
Linux kernel - Deliverables
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