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exit: fix oops in sync_mm_rss
[nv-tegra-linux-2.6.git] / drivers / scsi / qla2xxx / qla_init.c
bloba67b2bafb88242201a047da0e47dc8880d9a6312
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2008 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/vmalloc.h>
12
13 #include "qla_devtbl.h"
14
15 #ifdef CONFIG_SPARC
16 #include <asm/prom.h>
17 #endif
18
19 /*
20 * QLogic ISP2x00 Hardware Support Function Prototypes.
21 */
22 static int qla2x00_isp_firmware(scsi_qla_host_t *);
23 static int qla2x00_setup_chip(scsi_qla_host_t *);
24 static int qla2x00_init_rings(scsi_qla_host_t *);
25 static int qla2x00_fw_ready(scsi_qla_host_t *);
26 static int qla2x00_configure_hba(scsi_qla_host_t *);
27 static int qla2x00_configure_loop(scsi_qla_host_t *);
28 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
29 static int qla2x00_configure_fabric(scsi_qla_host_t *);
30 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
31 static int qla2x00_device_resync(scsi_qla_host_t *);
32 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
33 uint16_t *);
34
35 static int qla2x00_restart_isp(scsi_qla_host_t *);
36
37 static int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
38
39 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
40 static int qla84xx_init_chip(scsi_qla_host_t *);
41 static int qla25xx_init_queues(struct qla_hw_data *);
42
43 /* SRB Extensions ---------------------------------------------------------- */
44
45 static void
46 qla2x00_ctx_sp_timeout(unsigned long __data)
47 {
48 srb_t *sp = (srb_t *)__data;
49 struct srb_ctx *ctx;
50 fc_port_t *fcport = sp->fcport;
51 struct qla_hw_data *ha = fcport->vha->hw;
52 struct req_que *req;
53 unsigned long flags;
54
55 spin_lock_irqsave(&ha->hardware_lock, flags);
56 req = ha->req_q_map[0];
57 req->outstanding_cmds[sp->handle] = NULL;
58 ctx = sp->ctx;
59 ctx->timeout(sp);
60 spin_unlock_irqrestore(&ha->hardware_lock, flags);
61
62 ctx->free(sp);
63 }
64
65 void
66 qla2x00_ctx_sp_free(srb_t *sp)
67 {
68 struct srb_ctx *ctx = sp->ctx;
69
70 kfree(ctx);
71 mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
72 }
73
74 inline srb_t *
75 qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
76 unsigned long tmo)
77 {
78 srb_t *sp;
79 struct qla_hw_data *ha = vha->hw;
80 struct srb_ctx *ctx;
81
82 sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
83 if (!sp)
84 goto done;
85 ctx = kzalloc(size, GFP_KERNEL);
86 if (!ctx) {
87 mempool_free(sp, ha->srb_mempool);
88 goto done;
89 }
90
91 memset(sp, 0, sizeof(*sp));
92 sp->fcport = fcport;
93 sp->ctx = ctx;
94 ctx->free = qla2x00_ctx_sp_free;
95
96 init_timer(&ctx->timer);
97 if (!tmo)
98 goto done;
99 ctx->timer.expires = jiffies + tmo * HZ;
100 ctx->timer.data = (unsigned long)sp;
101 ctx->timer.function = qla2x00_ctx_sp_timeout;
102 add_timer(&ctx->timer);
103 done:
104 return sp;
105 }
106
107 /* Asynchronous Login/Logout Routines -------------------------------------- */
108
109 #define ELS_TMO_2_RATOV(ha) ((ha)->r_a_tov / 10 * 2)
110
111 static void
112 qla2x00_async_logio_timeout(srb_t *sp)
113 {
114 fc_port_t *fcport = sp->fcport;
115 struct srb_logio *lio = sp->ctx;
116
117 DEBUG2(printk(KERN_WARNING
118 "scsi(%ld:%x): Async-%s timeout.\n",
119 fcport->vha->host_no, sp->handle,
120 lio->ctx.type == SRB_LOGIN_CMD ? "login": "logout"));
121
122 if (lio->ctx.type == SRB_LOGIN_CMD)
123 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
124 }
125
126 int
127 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
128 uint16_t *data)
129 {
130 struct qla_hw_data *ha = vha->hw;
131 srb_t *sp;
132 struct srb_logio *lio;
133 int rval;
134
135 rval = QLA_FUNCTION_FAILED;
136 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_logio),
137 ELS_TMO_2_RATOV(ha) + 2);
138 if (!sp)
139 goto done;
140
141 lio = sp->ctx;
142 lio->ctx.type = SRB_LOGIN_CMD;
143 lio->ctx.timeout = qla2x00_async_logio_timeout;
144 lio->flags |= SRB_LOGIN_COND_PLOGI;
145 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
146 lio->flags |= SRB_LOGIN_RETRIED;
147 rval = qla2x00_start_sp(sp);
148 if (rval != QLA_SUCCESS)
149 goto done_free_sp;
150
151 DEBUG2(printk(KERN_DEBUG
152 "scsi(%ld:%x): Async-login - loop-id=%x portid=%02x%02x%02x "
153 "retries=%d.\n", fcport->vha->host_no, sp->handle, fcport->loop_id,
154 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
155 fcport->login_retry));
156 return rval;
157
158 done_free_sp:
159 del_timer_sync(&lio->ctx.timer);
160 lio->ctx.free(sp);
161 done:
162 return rval;
163 }
164
165 int
166 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
167 {
168 struct qla_hw_data *ha = vha->hw;
169 srb_t *sp;
170 struct srb_logio *lio;
171 int rval;
172
173 rval = QLA_FUNCTION_FAILED;
174 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_logio),
175 ELS_TMO_2_RATOV(ha) + 2);
176 if (!sp)
177 goto done;
178
179 lio = sp->ctx;
180 lio->ctx.type = SRB_LOGOUT_CMD;
181 lio->ctx.timeout = qla2x00_async_logio_timeout;
182 rval = qla2x00_start_sp(sp);
183 if (rval != QLA_SUCCESS)
184 goto done_free_sp;
185
186 DEBUG2(printk(KERN_DEBUG
187 "scsi(%ld:%x): Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
188 fcport->vha->host_no, sp->handle, fcport->loop_id,
189 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
190 return rval;
191
192 done_free_sp:
193 del_timer_sync(&lio->ctx.timer);
194 lio->ctx.free(sp);
195 done:
196 return rval;
197 }
198
199 int
200 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
201 uint16_t *data)
202 {
203 int rval;
204 uint8_t opts = 0;
205
206 switch (data[0]) {
207 case MBS_COMMAND_COMPLETE:
208 if (fcport->flags & FCF_FCP2_DEVICE)
209 opts |= BIT_1;
210 rval = qla2x00_get_port_database(vha, fcport, opts);
211 if (rval != QLA_SUCCESS)
212 qla2x00_mark_device_lost(vha, fcport, 1, 0);
213 else
214 qla2x00_update_fcport(vha, fcport);
215 break;
216 case MBS_COMMAND_ERROR:
217 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
218 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
219 else
220 qla2x00_mark_device_lost(vha, fcport, 1, 0);
221 break;
222 case MBS_PORT_ID_USED:
223 fcport->loop_id = data[1];
224 qla2x00_post_async_login_work(vha, fcport, NULL);
225 break;
226 case MBS_LOOP_ID_USED:
227 fcport->loop_id++;
228 rval = qla2x00_find_new_loop_id(vha, fcport);
229 if (rval != QLA_SUCCESS) {
230 qla2x00_mark_device_lost(vha, fcport, 1, 0);
231 break;
232 }
233 qla2x00_post_async_login_work(vha, fcport, NULL);
234 break;
235 }
236 return QLA_SUCCESS;
237 }
238
239 int
240 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
241 uint16_t *data)
242 {
243 qla2x00_mark_device_lost(vha, fcport, 1, 0);
244 return QLA_SUCCESS;
245 }
246
247 /****************************************************************************/
248 /* QLogic ISP2x00 Hardware Support Functions. */
249 /****************************************************************************/
250
251 /*
252 * qla2x00_initialize_adapter
253 * Initialize board.
254 *
255 * Input:
256 * ha = adapter block pointer.
257 *
258 * Returns:
259 * 0 = success
260 */
261 int
262 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
263 {
264 int rval;
265 struct qla_hw_data *ha = vha->hw;
266 struct req_que *req = ha->req_q_map[0];
267
268 /* Clear adapter flags. */
269 vha->flags.online = 0;
270 ha->flags.chip_reset_done = 0;
271 vha->flags.reset_active = 0;
272 ha->flags.pci_channel_io_perm_failure = 0;
273 ha->flags.eeh_busy = 0;
274 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
275 atomic_set(&vha->loop_state, LOOP_DOWN);
276 vha->device_flags = DFLG_NO_CABLE;
277 vha->dpc_flags = 0;
278 vha->flags.management_server_logged_in = 0;
279 vha->marker_needed = 0;
280 ha->isp_abort_cnt = 0;
281 ha->beacon_blink_led = 0;
282
283 set_bit(0, ha->req_qid_map);
284 set_bit(0, ha->rsp_qid_map);
285
286 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
287 rval = ha->isp_ops->pci_config(vha);
288 if (rval) {
289 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
290 vha->host_no));
291 return (rval);
292 }
293
294 ha->isp_ops->reset_chip(vha);
295
296 rval = qla2xxx_get_flash_info(vha);
297 if (rval) {
298 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
299 vha->host_no));
300 return (rval);
301 }
302
303 ha->isp_ops->get_flash_version(vha, req->ring);
304
305 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
306
307 ha->isp_ops->nvram_config(vha);
308
309 if (ha->flags.disable_serdes) {
310 /* Mask HBA via NVRAM settings? */
311 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
312 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
313 vha->port_name[0], vha->port_name[1],
314 vha->port_name[2], vha->port_name[3],
315 vha->port_name[4], vha->port_name[5],
316 vha->port_name[6], vha->port_name[7]);
317 return QLA_FUNCTION_FAILED;
318 }
319
320 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
321
322 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
323 rval = ha->isp_ops->chip_diag(vha);
324 if (rval)
325 return (rval);
326 rval = qla2x00_setup_chip(vha);
327 if (rval)
328 return (rval);
329 }
330 if (IS_QLA84XX(ha)) {
331 ha->cs84xx = qla84xx_get_chip(vha);
332 if (!ha->cs84xx) {
333 qla_printk(KERN_ERR, ha,
334 "Unable to configure ISP84XX.\n");
335 return QLA_FUNCTION_FAILED;
336 }
337 }
338 rval = qla2x00_init_rings(vha);
339 ha->flags.chip_reset_done = 1;
340
341 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
342 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
343 rval = qla84xx_init_chip(vha);
344 if (rval != QLA_SUCCESS) {
345 qla_printk(KERN_ERR, ha,
346 "Unable to initialize ISP84XX.\n");
347 qla84xx_put_chip(vha);
348 }
349 }
350
351 return (rval);
352 }
353
354 /**
355 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
356 * @ha: HA context
357 *
358 * Returns 0 on success.
359 */
360 int
361 qla2100_pci_config(scsi_qla_host_t *vha)
362 {
363 uint16_t w;
364 unsigned long flags;
365 struct qla_hw_data *ha = vha->hw;
366 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
367
368 pci_set_master(ha->pdev);
369 pci_try_set_mwi(ha->pdev);
370
371 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
372 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
373 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
374
375 pci_disable_rom(ha->pdev);
376
377 /* Get PCI bus information. */
378 spin_lock_irqsave(&ha->hardware_lock, flags);
379 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
380 spin_unlock_irqrestore(&ha->hardware_lock, flags);
381
382 return QLA_SUCCESS;
383 }
384
385 /**
386 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
387 * @ha: HA context
388 *
389 * Returns 0 on success.
390 */
391 int
392 qla2300_pci_config(scsi_qla_host_t *vha)
393 {
394 uint16_t w;
395 unsigned long flags = 0;
396 uint32_t cnt;
397 struct qla_hw_data *ha = vha->hw;
398 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
399
400 pci_set_master(ha->pdev);
401 pci_try_set_mwi(ha->pdev);
402
403 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
404 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
405
406 if (IS_QLA2322(ha) || IS_QLA6322(ha))
407 w &= ~PCI_COMMAND_INTX_DISABLE;
408 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
409
410 /*
411 * If this is a 2300 card and not 2312, reset the
412 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
413 * the 2310 also reports itself as a 2300 so we need to get the
414 * fb revision level -- a 6 indicates it really is a 2300 and
415 * not a 2310.
416 */
417 if (IS_QLA2300(ha)) {
418 spin_lock_irqsave(&ha->hardware_lock, flags);
419
420 /* Pause RISC. */
421 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
422 for (cnt = 0; cnt < 30000; cnt++) {
423 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
424 break;
425
426 udelay(10);
427 }
428
429 /* Select FPM registers. */
430 WRT_REG_WORD(&reg->ctrl_status, 0x20);
431 RD_REG_WORD(&reg->ctrl_status);
432
433 /* Get the fb rev level */
434 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
435
436 if (ha->fb_rev == FPM_2300)
437 pci_clear_mwi(ha->pdev);
438
439 /* Deselect FPM registers. */
440 WRT_REG_WORD(&reg->ctrl_status, 0x0);
441 RD_REG_WORD(&reg->ctrl_status);
442
443 /* Release RISC module. */
444 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
445 for (cnt = 0; cnt < 30000; cnt++) {
446 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
447 break;
448
449 udelay(10);
450 }
451
452 spin_unlock_irqrestore(&ha->hardware_lock, flags);
453 }
454
455 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
456
457 pci_disable_rom(ha->pdev);
458
459 /* Get PCI bus information. */
460 spin_lock_irqsave(&ha->hardware_lock, flags);
461 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
462 spin_unlock_irqrestore(&ha->hardware_lock, flags);
463
464 return QLA_SUCCESS;
465 }
466
467 /**
468 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
469 * @ha: HA context
470 *
471 * Returns 0 on success.
472 */
473 int
474 qla24xx_pci_config(scsi_qla_host_t *vha)
475 {
476 uint16_t w;
477 unsigned long flags = 0;
478 struct qla_hw_data *ha = vha->hw;
479 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
480
481 pci_set_master(ha->pdev);
482 pci_try_set_mwi(ha->pdev);
483
484 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
485 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
486 w &= ~PCI_COMMAND_INTX_DISABLE;
487 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
488
489 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
490
491 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
492 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
493 pcix_set_mmrbc(ha->pdev, 2048);
494
495 /* PCIe -- adjust Maximum Read Request Size (2048). */
496 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
497 pcie_set_readrq(ha->pdev, 2048);
498
499 pci_disable_rom(ha->pdev);
500
501 ha->chip_revision = ha->pdev->revision;
502
503 /* Get PCI bus information. */
504 spin_lock_irqsave(&ha->hardware_lock, flags);
505 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
506 spin_unlock_irqrestore(&ha->hardware_lock, flags);
507
508 return QLA_SUCCESS;
509 }
510
511 /**
512 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
513 * @ha: HA context
514 *
515 * Returns 0 on success.
516 */
517 int
518 qla25xx_pci_config(scsi_qla_host_t *vha)
519 {
520 uint16_t w;
521 struct qla_hw_data *ha = vha->hw;
522
523 pci_set_master(ha->pdev);
524 pci_try_set_mwi(ha->pdev);
525
526 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
527 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
528 w &= ~PCI_COMMAND_INTX_DISABLE;
529 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
530
531 /* PCIe -- adjust Maximum Read Request Size (2048). */
532 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
533 pcie_set_readrq(ha->pdev, 2048);
534
535 pci_disable_rom(ha->pdev);
536
537 ha->chip_revision = ha->pdev->revision;
538
539 return QLA_SUCCESS;
540 }
541
542 /**
543 * qla2x00_isp_firmware() - Choose firmware image.
544 * @ha: HA context
545 *
546 * Returns 0 on success.
547 */
548 static int
549 qla2x00_isp_firmware(scsi_qla_host_t *vha)
550 {
551 int rval;
552 uint16_t loop_id, topo, sw_cap;
553 uint8_t domain, area, al_pa;
554 struct qla_hw_data *ha = vha->hw;
555
556 /* Assume loading risc code */
557 rval = QLA_FUNCTION_FAILED;
558
559 if (ha->flags.disable_risc_code_load) {
560 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
561 vha->host_no));
562 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
563
564 /* Verify checksum of loaded RISC code. */
565 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
566 if (rval == QLA_SUCCESS) {
567 /* And, verify we are not in ROM code. */
568 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
569 &area, &domain, &topo, &sw_cap);
570 }
571 }
572
573 if (rval) {
574 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
575 vha->host_no));
576 }
577
578 return (rval);
579 }
580
581 /**
582 * qla2x00_reset_chip() - Reset ISP chip.
583 * @ha: HA context
584 *
585 * Returns 0 on success.
586 */
587 void
588 qla2x00_reset_chip(scsi_qla_host_t *vha)
589 {
590 unsigned long flags = 0;
591 struct qla_hw_data *ha = vha->hw;
592 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
593 uint32_t cnt;
594 uint16_t cmd;
595
596 if (unlikely(pci_channel_offline(ha->pdev)))
597 return;
598
599 ha->isp_ops->disable_intrs(ha);
600
601 spin_lock_irqsave(&ha->hardware_lock, flags);
602
603 /* Turn off master enable */
604 cmd = 0;
605 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
606 cmd &= ~PCI_COMMAND_MASTER;
607 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
608
609 if (!IS_QLA2100(ha)) {
610 /* Pause RISC. */
611 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
612 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
613 for (cnt = 0; cnt < 30000; cnt++) {
614 if ((RD_REG_WORD(&reg->hccr) &
615 HCCR_RISC_PAUSE) != 0)
616 break;
617 udelay(100);
618 }
619 } else {
620 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
621 udelay(10);
622 }
623
624 /* Select FPM registers. */
625 WRT_REG_WORD(&reg->ctrl_status, 0x20);
626 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
627
628 /* FPM Soft Reset. */
629 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
630 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
631
632 /* Toggle Fpm Reset. */
633 if (!IS_QLA2200(ha)) {
634 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
635 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
636 }
637
638 /* Select frame buffer registers. */
639 WRT_REG_WORD(&reg->ctrl_status, 0x10);
640 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
641
642 /* Reset frame buffer FIFOs. */
643 if (IS_QLA2200(ha)) {
644 WRT_FB_CMD_REG(ha, reg, 0xa000);
645 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
646 } else {
647 WRT_FB_CMD_REG(ha, reg, 0x00fc);
648
649 /* Read back fb_cmd until zero or 3 seconds max */
650 for (cnt = 0; cnt < 3000; cnt++) {
651 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
652 break;
653 udelay(100);
654 }
655 }
656
657 /* Select RISC module registers. */
658 WRT_REG_WORD(&reg->ctrl_status, 0);
659 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
660
661 /* Reset RISC processor. */
662 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
663 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
664
665 /* Release RISC processor. */
666 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
667 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
668 }
669
670 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
671 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
672
673 /* Reset ISP chip. */
674 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
675
676 /* Wait for RISC to recover from reset. */
677 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
678 /*
679 * It is necessary to for a delay here since the card doesn't
680 * respond to PCI reads during a reset. On some architectures
681 * this will result in an MCA.
682 */
683 udelay(20);
684 for (cnt = 30000; cnt; cnt--) {
685 if ((RD_REG_WORD(&reg->ctrl_status) &
686 CSR_ISP_SOFT_RESET) == 0)
687 break;
688 udelay(100);
689 }
690 } else
691 udelay(10);
692
693 /* Reset RISC processor. */
694 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
695
696 WRT_REG_WORD(&reg->semaphore, 0);
697
698 /* Release RISC processor. */
699 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
700 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
701
702 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
703 for (cnt = 0; cnt < 30000; cnt++) {
704 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
705 break;
706
707 udelay(100);
708 }
709 } else
710 udelay(100);
711
712 /* Turn on master enable */
713 cmd |= PCI_COMMAND_MASTER;
714 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
715
716 /* Disable RISC pause on FPM parity error. */
717 if (!IS_QLA2100(ha)) {
718 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
719 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
720 }
721
722 spin_unlock_irqrestore(&ha->hardware_lock, flags);
723 }
724
725 /**
726 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
727 * @ha: HA context
728 *
729 * Returns 0 on success.
730 */
731 static inline void
732 qla24xx_reset_risc(scsi_qla_host_t *vha)
733 {
734 unsigned long flags = 0;
735 struct qla_hw_data *ha = vha->hw;
736 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
737 uint32_t cnt, d2;
738 uint16_t wd;
739
740 spin_lock_irqsave(&ha->hardware_lock, flags);
741
742 /* Reset RISC. */
743 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
744 for (cnt = 0; cnt < 30000; cnt++) {
745 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
746 break;
747
748 udelay(10);
749 }
750
751 WRT_REG_DWORD(&reg->ctrl_status,
752 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
753 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
754
755 udelay(100);
756 /* Wait for firmware to complete NVRAM accesses. */
757 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
758 for (cnt = 10000 ; cnt && d2; cnt--) {
759 udelay(5);
760 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
761 barrier();
762 }
763
764 /* Wait for soft-reset to complete. */
765 d2 = RD_REG_DWORD(&reg->ctrl_status);
766 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
767 udelay(5);
768 d2 = RD_REG_DWORD(&reg->ctrl_status);
769 barrier();
770 }
771
772 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
773 RD_REG_DWORD(&reg->hccr);
774
775 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
776 RD_REG_DWORD(&reg->hccr);
777
778 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
779 RD_REG_DWORD(&reg->hccr);
780
781 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
782 for (cnt = 6000000 ; cnt && d2; cnt--) {
783 udelay(5);
784 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
785 barrier();
786 }
787
788 spin_unlock_irqrestore(&ha->hardware_lock, flags);
789
790 if (IS_NOPOLLING_TYPE(ha))
791 ha->isp_ops->enable_intrs(ha);
792 }
793
794 /**
795 * qla24xx_reset_chip() - Reset ISP24xx chip.
796 * @ha: HA context
797 *
798 * Returns 0 on success.
799 */
800 void
801 qla24xx_reset_chip(scsi_qla_host_t *vha)
802 {
803 struct qla_hw_data *ha = vha->hw;
804
805 if (pci_channel_offline(ha->pdev) &&
806 ha->flags.pci_channel_io_perm_failure) {
807 return;
808 }
809
810 ha->isp_ops->disable_intrs(ha);
811
812 /* Perform RISC reset. */
813 qla24xx_reset_risc(vha);
814 }
815
816 /**
817 * qla2x00_chip_diag() - Test chip for proper operation.
818 * @ha: HA context
819 *
820 * Returns 0 on success.
821 */
822 int
823 qla2x00_chip_diag(scsi_qla_host_t *vha)
824 {
825 int rval;
826 struct qla_hw_data *ha = vha->hw;
827 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
828 unsigned long flags = 0;
829 uint16_t data;
830 uint32_t cnt;
831 uint16_t mb[5];
832 struct req_que *req = ha->req_q_map[0];
833
834 /* Assume a failed state */
835 rval = QLA_FUNCTION_FAILED;
836
837 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
838 vha->host_no, (u_long)&reg->flash_address));
839
840 spin_lock_irqsave(&ha->hardware_lock, flags);
841
842 /* Reset ISP chip. */
843 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
844
845 /*
846 * We need to have a delay here since the card will not respond while
847 * in reset causing an MCA on some architectures.
848 */
849 udelay(20);
850 data = qla2x00_debounce_register(&reg->ctrl_status);
851 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
852 udelay(5);
853 data = RD_REG_WORD(&reg->ctrl_status);
854 barrier();
855 }
856
857 if (!cnt)
858 goto chip_diag_failed;
859
860 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
861 vha->host_no));
862
863 /* Reset RISC processor. */
864 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
865 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
866
867 /* Workaround for QLA2312 PCI parity error */
868 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
869 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
870 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
871 udelay(5);
872 data = RD_MAILBOX_REG(ha, reg, 0);
873 barrier();
874 }
875 } else
876 udelay(10);
877
878 if (!cnt)
879 goto chip_diag_failed;
880
881 /* Check product ID of chip */
882 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
883
884 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
885 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
886 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
887 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
888 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
889 mb[3] != PROD_ID_3) {
890 qla_printk(KERN_WARNING, ha,
891 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
892
893 goto chip_diag_failed;
894 }
895 ha->product_id[0] = mb[1];
896 ha->product_id[1] = mb[2];
897 ha->product_id[2] = mb[3];
898 ha->product_id[3] = mb[4];
899
900 /* Adjust fw RISC transfer size */
901 if (req->length > 1024)
902 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
903 else
904 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
905 req->length;
906
907 if (IS_QLA2200(ha) &&
908 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
909 /* Limit firmware transfer size with a 2200A */
910 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
911 vha->host_no));
912
913 ha->device_type |= DT_ISP2200A;
914 ha->fw_transfer_size = 128;
915 }
916
917 /* Wrap Incoming Mailboxes Test. */
918 spin_unlock_irqrestore(&ha->hardware_lock, flags);
919
920 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
921 rval = qla2x00_mbx_reg_test(vha);
922 if (rval) {
923 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
924 vha->host_no));
925 qla_printk(KERN_WARNING, ha,
926 "Failed mailbox send register test\n");
927 }
928 else {
929 /* Flag a successful rval */
930 rval = QLA_SUCCESS;
931 }
932 spin_lock_irqsave(&ha->hardware_lock, flags);
933
934 chip_diag_failed:
935 if (rval)
936 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
937 "****\n", vha->host_no));
938
939 spin_unlock_irqrestore(&ha->hardware_lock, flags);
940
941 return (rval);
942 }
943
944 /**
945 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
946 * @ha: HA context
947 *
948 * Returns 0 on success.
949 */
950 int
951 qla24xx_chip_diag(scsi_qla_host_t *vha)
952 {
953 int rval;
954 struct qla_hw_data *ha = vha->hw;
955 struct req_que *req = ha->req_q_map[0];
956
957 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
958
959 rval = qla2x00_mbx_reg_test(vha);
960 if (rval) {
961 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
962 vha->host_no));
963 qla_printk(KERN_WARNING, ha,
964 "Failed mailbox send register test\n");
965 } else {
966 /* Flag a successful rval */
967 rval = QLA_SUCCESS;
968 }
969
970 return rval;
971 }
972
973 void
974 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
975 {
976 int rval;
977 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
978 eft_size, fce_size, mq_size;
979 dma_addr_t tc_dma;
980 void *tc;
981 struct qla_hw_data *ha = vha->hw;
982 struct req_que *req = ha->req_q_map[0];
983 struct rsp_que *rsp = ha->rsp_q_map[0];
984
985 if (ha->fw_dump) {
986 qla_printk(KERN_WARNING, ha,
987 "Firmware dump previously allocated.\n");
988 return;
989 }
990
991 ha->fw_dumped = 0;
992 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
993 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
994 fixed_size = sizeof(struct qla2100_fw_dump);
995 } else if (IS_QLA23XX(ha)) {
996 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
997 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
998 sizeof(uint16_t);
999 } else if (IS_FWI2_CAPABLE(ha)) {
1000 if (IS_QLA81XX(ha))
1001 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1002 else if (IS_QLA25XX(ha))
1003 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1004 else
1005 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1006 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1007 sizeof(uint32_t);
1008 if (ha->mqenable)
1009 mq_size = sizeof(struct qla2xxx_mq_chain);
1010 /* Allocate memory for Fibre Channel Event Buffer. */
1011 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1012 goto try_eft;
1013
1014 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1015 GFP_KERNEL);
1016 if (!tc) {
1017 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1018 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
1019 goto try_eft;
1020 }
1021
1022 memset(tc, 0, FCE_SIZE);
1023 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1024 ha->fce_mb, &ha->fce_bufs);
1025 if (rval) {
1026 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1027 "FCE (%d).\n", rval);
1028 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1029 tc_dma);
1030 ha->flags.fce_enabled = 0;
1031 goto try_eft;
1032 }
1033
1034 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1035 FCE_SIZE / 1024);
1036
1037 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1038 ha->flags.fce_enabled = 1;
1039 ha->fce_dma = tc_dma;
1040 ha->fce = tc;
1041 try_eft:
1042 /* Allocate memory for Extended Trace Buffer. */
1043 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1044 GFP_KERNEL);
1045 if (!tc) {
1046 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1047 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1048 goto cont_alloc;
1049 }
1050
1051 memset(tc, 0, EFT_SIZE);
1052 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1053 if (rval) {
1054 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1055 "EFT (%d).\n", rval);
1056 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1057 tc_dma);
1058 goto cont_alloc;
1059 }
1060
1061 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1062 EFT_SIZE / 1024);
1063
1064 eft_size = EFT_SIZE;
1065 ha->eft_dma = tc_dma;
1066 ha->eft = tc;
1067 }
1068 cont_alloc:
1069 req_q_size = req->length * sizeof(request_t);
1070 rsp_q_size = rsp->length * sizeof(response_t);
1071
1072 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1073 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1074 ha->chain_offset = dump_size;
1075 dump_size += mq_size + fce_size;
1076
1077 ha->fw_dump = vmalloc(dump_size);
1078 if (!ha->fw_dump) {
1079 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1080 "firmware dump!!!\n", dump_size / 1024);
1081
1082 if (ha->eft) {
1083 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1084 ha->eft_dma);
1085 ha->eft = NULL;
1086 ha->eft_dma = 0;
1087 }
1088 return;
1089 }
1090 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1091 dump_size / 1024);
1092
1093 ha->fw_dump_len = dump_size;
1094 ha->fw_dump->signature[0] = 'Q';
1095 ha->fw_dump->signature[1] = 'L';
1096 ha->fw_dump->signature[2] = 'G';
1097 ha->fw_dump->signature[3] = 'C';
1098 ha->fw_dump->version = __constant_htonl(1);
1099
1100 ha->fw_dump->fixed_size = htonl(fixed_size);
1101 ha->fw_dump->mem_size = htonl(mem_size);
1102 ha->fw_dump->req_q_size = htonl(req_q_size);
1103 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1104
1105 ha->fw_dump->eft_size = htonl(eft_size);
1106 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1107 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1108
1109 ha->fw_dump->header_size =
1110 htonl(offsetof(struct qla2xxx_fw_dump, isp));
1111 }
1112
1113 static int
1114 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1115 {
1116 #define MPS_MASK 0xe0
1117 int rval;
1118 uint16_t dc;
1119 uint32_t dw;
1120 struct qla_hw_data *ha = vha->hw;
1121
1122 if (!IS_QLA81XX(vha->hw))
1123 return QLA_SUCCESS;
1124
1125 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1126 if (rval != QLA_SUCCESS) {
1127 DEBUG2(qla_printk(KERN_WARNING, ha,
1128 "Sync-MPI: Unable to acquire semaphore.\n"));
1129 goto done;
1130 }
1131
1132 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1133 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1134 if (rval != QLA_SUCCESS) {
1135 DEBUG2(qla_printk(KERN_WARNING, ha,
1136 "Sync-MPI: Unable to read sync.\n"));
1137 goto done_release;
1138 }
1139
1140 dc &= MPS_MASK;
1141 if (dc == (dw & MPS_MASK))
1142 goto done_release;
1143
1144 dw &= ~MPS_MASK;
1145 dw |= dc;
1146 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1147 if (rval != QLA_SUCCESS) {
1148 DEBUG2(qla_printk(KERN_WARNING, ha,
1149 "Sync-MPI: Unable to gain sync.\n"));
1150 }
1151
1152 done_release:
1153 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1154 if (rval != QLA_SUCCESS) {
1155 DEBUG2(qla_printk(KERN_WARNING, ha,
1156 "Sync-MPI: Unable to release semaphore.\n"));
1157 }
1158
1159 done:
1160 return rval;
1161 }
1162
1163 /**
1164 * qla2x00_setup_chip() - Load and start RISC firmware.
1165 * @ha: HA context
1166 *
1167 * Returns 0 on success.
1168 */
1169 static int
1170 qla2x00_setup_chip(scsi_qla_host_t *vha)
1171 {
1172 int rval;
1173 uint32_t srisc_address = 0;
1174 struct qla_hw_data *ha = vha->hw;
1175 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1176 unsigned long flags;
1177 uint16_t fw_major_version;
1178
1179 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1180 /* Disable SRAM, Instruction RAM and GP RAM parity. */
1181 spin_lock_irqsave(&ha->hardware_lock, flags);
1182 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1183 RD_REG_WORD(&reg->hccr);
1184 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1185 }
1186
1187 qla81xx_mpi_sync(vha);
1188
1189 /* Load firmware sequences */
1190 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1191 if (rval == QLA_SUCCESS) {
1192 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1193 "code.\n", vha->host_no));
1194
1195 rval = qla2x00_verify_checksum(vha, srisc_address);
1196 if (rval == QLA_SUCCESS) {
1197 /* Start firmware execution. */
1198 DEBUG(printk("scsi(%ld): Checksum OK, start "
1199 "firmware.\n", vha->host_no));
1200
1201 rval = qla2x00_execute_fw(vha, srisc_address);
1202 /* Retrieve firmware information. */
1203 if (rval == QLA_SUCCESS) {
1204 fw_major_version = ha->fw_major_version;
1205 rval = qla2x00_get_fw_version(vha,
1206 &ha->fw_major_version,
1207 &ha->fw_minor_version,
1208 &ha->fw_subminor_version,
1209 &ha->fw_attributes, &ha->fw_memory_size,
1210 ha->mpi_version, &ha->mpi_capabilities,
1211 ha->phy_version);
1212 if (rval != QLA_SUCCESS)
1213 goto failed;
1214 ha->flags.npiv_supported = 0;
1215 if (IS_QLA2XXX_MIDTYPE(ha) &&
1216 (ha->fw_attributes & BIT_2)) {
1217 ha->flags.npiv_supported = 1;
1218 if ((!ha->max_npiv_vports) ||
1219 ((ha->max_npiv_vports + 1) %
1220 MIN_MULTI_ID_FABRIC))
1221 ha->max_npiv_vports =
1222 MIN_MULTI_ID_FABRIC - 1;
1223 }
1224 qla2x00_get_resource_cnts(vha, NULL,
1225 &ha->fw_xcb_count, NULL, NULL,
1226 &ha->max_npiv_vports, NULL);
1227
1228 if (!fw_major_version && ql2xallocfwdump)
1229 qla2x00_alloc_fw_dump(vha);
1230 }
1231 } else {
1232 DEBUG2(printk(KERN_INFO
1233 "scsi(%ld): ISP Firmware failed checksum.\n",
1234 vha->host_no));
1235 }
1236 }
1237
1238 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1239 /* Enable proper parity. */
1240 spin_lock_irqsave(&ha->hardware_lock, flags);
1241 if (IS_QLA2300(ha))
1242 /* SRAM parity */
1243 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1244 else
1245 /* SRAM, Instruction RAM and GP RAM parity */
1246 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1247 RD_REG_WORD(&reg->hccr);
1248 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1249 }
1250
1251 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1252 uint32_t size;
1253
1254 rval = qla81xx_fac_get_sector_size(vha, &size);
1255 if (rval == QLA_SUCCESS) {
1256 ha->flags.fac_supported = 1;
1257 ha->fdt_block_size = size << 2;
1258 } else {
1259 qla_printk(KERN_ERR, ha,
1260 "Unsupported FAC firmware (%d.%02d.%02d).\n",
1261 ha->fw_major_version, ha->fw_minor_version,
1262 ha->fw_subminor_version);
1263 }
1264 }
1265 failed:
1266 if (rval) {
1267 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1268 vha->host_no));
1269 }
1270
1271 return (rval);
1272 }
1273
1274 /**
1275 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1276 * @ha: HA context
1277 *
1278 * Beginning of request ring has initialization control block already built
1279 * by nvram config routine.
1280 *
1281 * Returns 0 on success.
1282 */
1283 void
1284 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1285 {
1286 uint16_t cnt;
1287 response_t *pkt;
1288
1289 rsp->ring_ptr = rsp->ring;
1290 rsp->ring_index = 0;
1291 rsp->status_srb = NULL;
1292 pkt = rsp->ring_ptr;
1293 for (cnt = 0; cnt < rsp->length; cnt++) {
1294 pkt->signature = RESPONSE_PROCESSED;
1295 pkt++;
1296 }
1297 }
1298
1299 /**
1300 * qla2x00_update_fw_options() - Read and process firmware options.
1301 * @ha: HA context
1302 *
1303 * Returns 0 on success.
1304 */
1305 void
1306 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1307 {
1308 uint16_t swing, emphasis, tx_sens, rx_sens;
1309 struct qla_hw_data *ha = vha->hw;
1310
1311 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1312 qla2x00_get_fw_options(vha, ha->fw_options);
1313
1314 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1315 return;
1316
1317 /* Serial Link options. */
1318 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1319 vha->host_no));
1320 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1321 sizeof(ha->fw_seriallink_options)));
1322
1323 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1324 if (ha->fw_seriallink_options[3] & BIT_2) {
1325 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1326
1327 /* 1G settings */
1328 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1329 emphasis = (ha->fw_seriallink_options[2] &
1330 (BIT_4 | BIT_3)) >> 3;
1331 tx_sens = ha->fw_seriallink_options[0] &
1332 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1333 rx_sens = (ha->fw_seriallink_options[0] &
1334 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1335 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1336 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1337 if (rx_sens == 0x0)
1338 rx_sens = 0x3;
1339 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1340 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1341 ha->fw_options[10] |= BIT_5 |
1342 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1343 (tx_sens & (BIT_1 | BIT_0));
1344
1345 /* 2G settings */
1346 swing = (ha->fw_seriallink_options[2] &
1347 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1348 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1349 tx_sens = ha->fw_seriallink_options[1] &
1350 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1351 rx_sens = (ha->fw_seriallink_options[1] &
1352 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1353 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1354 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1355 if (rx_sens == 0x0)
1356 rx_sens = 0x3;
1357 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1358 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1359 ha->fw_options[11] |= BIT_5 |
1360 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1361 (tx_sens & (BIT_1 | BIT_0));
1362 }
1363
1364 /* FCP2 options. */
1365 /* Return command IOCBs without waiting for an ABTS to complete. */
1366 ha->fw_options[3] |= BIT_13;
1367
1368 /* LED scheme. */
1369 if (ha->flags.enable_led_scheme)
1370 ha->fw_options[2] |= BIT_12;
1371
1372 /* Detect ISP6312. */
1373 if (IS_QLA6312(ha))
1374 ha->fw_options[2] |= BIT_13;
1375
1376 /* Update firmware options. */
1377 qla2x00_set_fw_options(vha, ha->fw_options);
1378 }
1379
1380 void
1381 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1382 {
1383 int rval;
1384 struct qla_hw_data *ha = vha->hw;
1385
1386 /* Update Serial Link options. */
1387 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1388 return;
1389
1390 rval = qla2x00_set_serdes_params(vha,
1391 le16_to_cpu(ha->fw_seriallink_options24[1]),
1392 le16_to_cpu(ha->fw_seriallink_options24[2]),
1393 le16_to_cpu(ha->fw_seriallink_options24[3]));
1394 if (rval != QLA_SUCCESS) {
1395 qla_printk(KERN_WARNING, ha,
1396 "Unable to update Serial Link options (%x).\n", rval);
1397 }
1398 }
1399
1400 void
1401 qla2x00_config_rings(struct scsi_qla_host *vha)
1402 {
1403 struct qla_hw_data *ha = vha->hw;
1404 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1405 struct req_que *req = ha->req_q_map[0];
1406 struct rsp_que *rsp = ha->rsp_q_map[0];
1407
1408 /* Setup ring parameters in initialization control block. */
1409 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1410 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1411 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1412 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1413 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1414 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1415 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1416 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1417
1418 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1419 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1420 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1421 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1422 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1423 }
1424
1425 void
1426 qla24xx_config_rings(struct scsi_qla_host *vha)
1427 {
1428 struct qla_hw_data *ha = vha->hw;
1429 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1430 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1431 struct qla_msix_entry *msix;
1432 struct init_cb_24xx *icb;
1433 uint16_t rid = 0;
1434 struct req_que *req = ha->req_q_map[0];
1435 struct rsp_que *rsp = ha->rsp_q_map[0];
1436
1437 /* Setup ring parameters in initialization control block. */
1438 icb = (struct init_cb_24xx *)ha->init_cb;
1439 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1440 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1441 icb->request_q_length = cpu_to_le16(req->length);
1442 icb->response_q_length = cpu_to_le16(rsp->length);
1443 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1444 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1445 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1446 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1447
1448 if (ha->mqenable) {
1449 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1450 icb->rid = __constant_cpu_to_le16(rid);
1451 if (ha->flags.msix_enabled) {
1452 msix = &ha->msix_entries[1];
1453 DEBUG2_17(printk(KERN_INFO
1454 "Registering vector 0x%x for base que\n", msix->entry));
1455 icb->msix = cpu_to_le16(msix->entry);
1456 }
1457 /* Use alternate PCI bus number */
1458 if (MSB(rid))
1459 icb->firmware_options_2 |=
1460 __constant_cpu_to_le32(BIT_19);
1461 /* Use alternate PCI devfn */
1462 if (LSB(rid))
1463 icb->firmware_options_2 |=
1464 __constant_cpu_to_le32(BIT_18);
1465
1466 /* Use Disable MSIX Handshake mode for capable adapters */
1467 if (IS_MSIX_NACK_CAPABLE(ha)) {
1468 icb->firmware_options_2 &=
1469 __constant_cpu_to_le32(~BIT_22);
1470 ha->flags.disable_msix_handshake = 1;
1471 qla_printk(KERN_INFO, ha,
1472 "MSIX Handshake Disable Mode turned on\n");
1473 } else {
1474 icb->firmware_options_2 |=
1475 __constant_cpu_to_le32(BIT_22);
1476 }
1477 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1478
1479 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1480 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1481 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1482 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1483 } else {
1484 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1485 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1486 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1487 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1488 }
1489 /* PCI posting */
1490 RD_REG_DWORD(&ioreg->hccr);
1491 }
1492
1493 /**
1494 * qla2x00_init_rings() - Initializes firmware.
1495 * @ha: HA context
1496 *
1497 * Beginning of request ring has initialization control block already built
1498 * by nvram config routine.
1499 *
1500 * Returns 0 on success.
1501 */
1502 static int
1503 qla2x00_init_rings(scsi_qla_host_t *vha)
1504 {
1505 int rval;
1506 unsigned long flags = 0;
1507 int cnt, que;
1508 struct qla_hw_data *ha = vha->hw;
1509 struct req_que *req;
1510 struct rsp_que *rsp;
1511 struct scsi_qla_host *vp;
1512 struct mid_init_cb_24xx *mid_init_cb =
1513 (struct mid_init_cb_24xx *) ha->init_cb;
1514
1515 spin_lock_irqsave(&ha->hardware_lock, flags);
1516
1517 /* Clear outstanding commands array. */
1518 for (que = 0; que < ha->max_req_queues; que++) {
1519 req = ha->req_q_map[que];
1520 if (!req)
1521 continue;
1522 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1523 req->outstanding_cmds[cnt] = NULL;
1524
1525 req->current_outstanding_cmd = 1;
1526
1527 /* Initialize firmware. */
1528 req->ring_ptr = req->ring;
1529 req->ring_index = 0;
1530 req->cnt = req->length;
1531 }
1532
1533 for (que = 0; que < ha->max_rsp_queues; que++) {
1534 rsp = ha->rsp_q_map[que];
1535 if (!rsp)
1536 continue;
1537 /* Initialize response queue entries */
1538 qla2x00_init_response_q_entries(rsp);
1539 }
1540
1541 /* Clear RSCN queue. */
1542 list_for_each_entry(vp, &ha->vp_list, list) {
1543 vp->rscn_in_ptr = 0;
1544 vp->rscn_out_ptr = 0;
1545 }
1546 ha->isp_ops->config_rings(vha);
1547
1548 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1549
1550 /* Update any ISP specific firmware options before initialization. */
1551 ha->isp_ops->update_fw_options(vha);
1552
1553 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1554
1555 if (ha->flags.npiv_supported) {
1556 if (ha->operating_mode == LOOP)
1557 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1558 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1559 }
1560
1561 if (IS_FWI2_CAPABLE(ha)) {
1562 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1563 mid_init_cb->init_cb.execution_throttle =
1564 cpu_to_le16(ha->fw_xcb_count);
1565 }
1566
1567 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1568 if (rval) {
1569 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1570 vha->host_no));
1571 } else {
1572 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1573 vha->host_no));
1574 }
1575
1576 return (rval);
1577 }
1578
1579 /**
1580 * qla2x00_fw_ready() - Waits for firmware ready.
1581 * @ha: HA context
1582 *
1583 * Returns 0 on success.
1584 */
1585 static int
1586 qla2x00_fw_ready(scsi_qla_host_t *vha)
1587 {
1588 int rval;
1589 unsigned long wtime, mtime, cs84xx_time;
1590 uint16_t min_wait; /* Minimum wait time if loop is down */
1591 uint16_t wait_time; /* Wait time if loop is coming ready */
1592 uint16_t state[5];
1593 struct qla_hw_data *ha = vha->hw;
1594
1595 rval = QLA_SUCCESS;
1596
1597 /* 20 seconds for loop down. */
1598 min_wait = 20;
1599
1600 /*
1601 * Firmware should take at most one RATOV to login, plus 5 seconds for
1602 * our own processing.
1603 */
1604 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1605 wait_time = min_wait;
1606 }
1607
1608 /* Min wait time if loop down */
1609 mtime = jiffies + (min_wait * HZ);
1610
1611 /* wait time before firmware ready */
1612 wtime = jiffies + (wait_time * HZ);
1613
1614 /* Wait for ISP to finish LIP */
1615 if (!vha->flags.init_done)
1616 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1617
1618 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1619 vha->host_no));
1620
1621 do {
1622 rval = qla2x00_get_firmware_state(vha, state);
1623 if (rval == QLA_SUCCESS) {
1624 if (state[0] < FSTATE_LOSS_OF_SYNC) {
1625 vha->device_flags &= ~DFLG_NO_CABLE;
1626 }
1627 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1628 DEBUG16(printk("scsi(%ld): fw_state=%x "
1629 "84xx=%x.\n", vha->host_no, state[0],
1630 state[2]));
1631 if ((state[2] & FSTATE_LOGGED_IN) &&
1632 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1633 DEBUG16(printk("scsi(%ld): Sending "
1634 "verify iocb.\n", vha->host_no));
1635
1636 cs84xx_time = jiffies;
1637 rval = qla84xx_init_chip(vha);
1638 if (rval != QLA_SUCCESS)
1639 break;
1640
1641 /* Add time taken to initialize. */
1642 cs84xx_time = jiffies - cs84xx_time;
1643 wtime += cs84xx_time;
1644 mtime += cs84xx_time;
1645 DEBUG16(printk("scsi(%ld): Increasing "
1646 "wait time by %ld. New time %ld\n",
1647 vha->host_no, cs84xx_time, wtime));
1648 }
1649 } else if (state[0] == FSTATE_READY) {
1650 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1651 vha->host_no));
1652
1653 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1654 &ha->login_timeout, &ha->r_a_tov);
1655
1656 rval = QLA_SUCCESS;
1657 break;
1658 }
1659
1660 rval = QLA_FUNCTION_FAILED;
1661
1662 if (atomic_read(&vha->loop_down_timer) &&
1663 state[0] != FSTATE_READY) {
1664 /* Loop down. Timeout on min_wait for states
1665 * other than Wait for Login.
1666 */
1667 if (time_after_eq(jiffies, mtime)) {
1668 qla_printk(KERN_INFO, ha,
1669 "Cable is unplugged...\n");
1670
1671 vha->device_flags |= DFLG_NO_CABLE;
1672 break;
1673 }
1674 }
1675 } else {
1676 /* Mailbox cmd failed. Timeout on min_wait. */
1677 if (time_after_eq(jiffies, mtime))
1678 break;
1679 }
1680
1681 if (time_after_eq(jiffies, wtime))
1682 break;
1683
1684 /* Delay for a while */
1685 msleep(500);
1686
1687 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1688 vha->host_no, state[0], jiffies));
1689 } while (1);
1690
1691 DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1692 vha->host_no, state[0], state[1], state[2], state[3], state[4],
1693 jiffies));
1694
1695 if (rval) {
1696 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1697 vha->host_no));
1698 }
1699
1700 return (rval);
1701 }
1702
1703 /*
1704 * qla2x00_configure_hba
1705 * Setup adapter context.
1706 *
1707 * Input:
1708 * ha = adapter state pointer.
1709 *
1710 * Returns:
1711 * 0 = success
1712 *
1713 * Context:
1714 * Kernel context.
1715 */
1716 static int
1717 qla2x00_configure_hba(scsi_qla_host_t *vha)
1718 {
1719 int rval;
1720 uint16_t loop_id;
1721 uint16_t topo;
1722 uint16_t sw_cap;
1723 uint8_t al_pa;
1724 uint8_t area;
1725 uint8_t domain;
1726 char connect_type[22];
1727 struct qla_hw_data *ha = vha->hw;
1728
1729 /* Get host addresses. */
1730 rval = qla2x00_get_adapter_id(vha,
1731 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1732 if (rval != QLA_SUCCESS) {
1733 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1734 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1735 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1736 __func__, vha->host_no));
1737 } else {
1738 qla_printk(KERN_WARNING, ha,
1739 "ERROR -- Unable to get host loop ID.\n");
1740 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1741 }
1742 return (rval);
1743 }
1744
1745 if (topo == 4) {
1746 qla_printk(KERN_INFO, ha,
1747 "Cannot get topology - retrying.\n");
1748 return (QLA_FUNCTION_FAILED);
1749 }
1750
1751 vha->loop_id = loop_id;
1752
1753 /* initialize */
1754 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1755 ha->operating_mode = LOOP;
1756 ha->switch_cap = 0;
1757
1758 switch (topo) {
1759 case 0:
1760 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1761 vha->host_no));
1762 ha->current_topology = ISP_CFG_NL;
1763 strcpy(connect_type, "(Loop)");
1764 break;
1765
1766 case 1:
1767 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1768 vha->host_no));
1769 ha->switch_cap = sw_cap;
1770 ha->current_topology = ISP_CFG_FL;
1771 strcpy(connect_type, "(FL_Port)");
1772 break;
1773
1774 case 2:
1775 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1776 vha->host_no));
1777 ha->operating_mode = P2P;
1778 ha->current_topology = ISP_CFG_N;
1779 strcpy(connect_type, "(N_Port-to-N_Port)");
1780 break;
1781
1782 case 3:
1783 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1784 vha->host_no));
1785 ha->switch_cap = sw_cap;
1786 ha->operating_mode = P2P;
1787 ha->current_topology = ISP_CFG_F;
1788 strcpy(connect_type, "(F_Port)");
1789 break;
1790
1791 default:
1792 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1793 "Using NL.\n",
1794 vha->host_no, topo));
1795 ha->current_topology = ISP_CFG_NL;
1796 strcpy(connect_type, "(Loop)");
1797 break;
1798 }
1799
1800 /* Save Host port and loop ID. */
1801 /* byte order - Big Endian */
1802 vha->d_id.b.domain = domain;
1803 vha->d_id.b.area = area;
1804 vha->d_id.b.al_pa = al_pa;
1805
1806 if (!vha->flags.init_done)
1807 qla_printk(KERN_INFO, ha,
1808 "Topology - %s, Host Loop address 0x%x\n",
1809 connect_type, vha->loop_id);
1810
1811 if (rval) {
1812 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1813 } else {
1814 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1815 }
1816
1817 return(rval);
1818 }
1819
1820 static inline void
1821 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1822 char *def)
1823 {
1824 char *st, *en;
1825 uint16_t index;
1826 struct qla_hw_data *ha = vha->hw;
1827 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1828 !IS_QLA81XX(ha);
1829
1830 if (memcmp(model, BINZERO, len) != 0) {
1831 strncpy(ha->model_number, model, len);
1832 st = en = ha->model_number;
1833 en += len - 1;
1834 while (en > st) {
1835 if (*en != 0x20 && *en != 0x00)
1836 break;
1837 *en-- = '\0';
1838 }
1839
1840 index = (ha->pdev->subsystem_device & 0xff);
1841 if (use_tbl &&
1842 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1843 index < QLA_MODEL_NAMES)
1844 strncpy(ha->model_desc,
1845 qla2x00_model_name[index * 2 + 1],
1846 sizeof(ha->model_desc) - 1);
1847 } else {
1848 index = (ha->pdev->subsystem_device & 0xff);
1849 if (use_tbl &&
1850 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1851 index < QLA_MODEL_NAMES) {
1852 strcpy(ha->model_number,
1853 qla2x00_model_name[index * 2]);
1854 strncpy(ha->model_desc,
1855 qla2x00_model_name[index * 2 + 1],
1856 sizeof(ha->model_desc) - 1);
1857 } else {
1858 strcpy(ha->model_number, def);
1859 }
1860 }
1861 if (IS_FWI2_CAPABLE(ha))
1862 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1863 sizeof(ha->model_desc));
1864 }
1865
1866 /* On sparc systems, obtain port and node WWN from firmware
1867 * properties.
1868 */
1869 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
1870 {
1871 #ifdef CONFIG_SPARC
1872 struct qla_hw_data *ha = vha->hw;
1873 struct pci_dev *pdev = ha->pdev;
1874 struct device_node *dp = pci_device_to_OF_node(pdev);
1875 const u8 *val;
1876 int len;
1877
1878 val = of_get_property(dp, "port-wwn", &len);
1879 if (val && len >= WWN_SIZE)
1880 memcpy(nv->port_name, val, WWN_SIZE);
1881
1882 val = of_get_property(dp, "node-wwn", &len);
1883 if (val && len >= WWN_SIZE)
1884 memcpy(nv->node_name, val, WWN_SIZE);
1885 #endif
1886 }
1887
1888 /*
1889 * NVRAM configuration for ISP 2xxx
1890 *
1891 * Input:
1892 * ha = adapter block pointer.
1893 *
1894 * Output:
1895 * initialization control block in response_ring
1896 * host adapters parameters in host adapter block
1897 *
1898 * Returns:
1899 * 0 = success.
1900 */
1901 int
1902 qla2x00_nvram_config(scsi_qla_host_t *vha)
1903 {
1904 int rval;
1905 uint8_t chksum = 0;
1906 uint16_t cnt;
1907 uint8_t *dptr1, *dptr2;
1908 struct qla_hw_data *ha = vha->hw;
1909 init_cb_t *icb = ha->init_cb;
1910 nvram_t *nv = ha->nvram;
1911 uint8_t *ptr = ha->nvram;
1912 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1913
1914 rval = QLA_SUCCESS;
1915
1916 /* Determine NVRAM starting address. */
1917 ha->nvram_size = sizeof(nvram_t);
1918 ha->nvram_base = 0;
1919 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1920 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1921 ha->nvram_base = 0x80;
1922
1923 /* Get NVRAM data and calculate checksum. */
1924 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
1925 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1926 chksum += *ptr++;
1927
1928 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
1929 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1930
1931 /* Bad NVRAM data, set defaults parameters. */
1932 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1933 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1934 /* Reset NVRAM data. */
1935 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1936 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1937 nv->nvram_version);
1938 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1939 "invalid -- WWPN) defaults.\n");
1940
1941 /*
1942 * Set default initialization control block.
1943 */
1944 memset(nv, 0, ha->nvram_size);
1945 nv->parameter_block_version = ICB_VERSION;
1946
1947 if (IS_QLA23XX(ha)) {
1948 nv->firmware_options[0] = BIT_2 | BIT_1;
1949 nv->firmware_options[1] = BIT_7 | BIT_5;
1950 nv->add_firmware_options[0] = BIT_5;
1951 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1952 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1953 nv->special_options[1] = BIT_7;
1954 } else if (IS_QLA2200(ha)) {
1955 nv->firmware_options[0] = BIT_2 | BIT_1;
1956 nv->firmware_options[1] = BIT_7 | BIT_5;
1957 nv->add_firmware_options[0] = BIT_5;
1958 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1959 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1960 } else if (IS_QLA2100(ha)) {
1961 nv->firmware_options[0] = BIT_3 | BIT_1;
1962 nv->firmware_options[1] = BIT_5;
1963 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1964 }
1965
1966 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1967 nv->execution_throttle = __constant_cpu_to_le16(16);
1968 nv->retry_count = 8;
1969 nv->retry_delay = 1;
1970
1971 nv->port_name[0] = 33;
1972 nv->port_name[3] = 224;
1973 nv->port_name[4] = 139;
1974
1975 qla2xxx_nvram_wwn_from_ofw(vha, nv);
1976
1977 nv->login_timeout = 4;
1978
1979 /*
1980 * Set default host adapter parameters
1981 */
1982 nv->host_p[1] = BIT_2;
1983 nv->reset_delay = 5;
1984 nv->port_down_retry_count = 8;
1985 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1986 nv->link_down_timeout = 60;
1987
1988 rval = 1;
1989 }
1990
1991 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1992 /*
1993 * The SN2 does not provide BIOS emulation which means you can't change
1994 * potentially bogus BIOS settings. Force the use of default settings
1995 * for link rate and frame size. Hope that the rest of the settings
1996 * are valid.
1997 */
1998 if (ia64_platform_is("sn2")) {
1999 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2000 if (IS_QLA23XX(ha))
2001 nv->special_options[1] = BIT_7;
2002 }
2003 #endif
2004
2005 /* Reset Initialization control block */
2006 memset(icb, 0, ha->init_cb_size);
2007
2008 /*
2009 * Setup driver NVRAM options.
2010 */
2011 nv->firmware_options[0] |= (BIT_6 | BIT_1);
2012 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2013 nv->firmware_options[1] |= (BIT_5 | BIT_0);
2014 nv->firmware_options[1] &= ~BIT_4;
2015
2016 if (IS_QLA23XX(ha)) {
2017 nv->firmware_options[0] |= BIT_2;
2018 nv->firmware_options[0] &= ~BIT_3;
2019 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2020
2021 if (IS_QLA2300(ha)) {
2022 if (ha->fb_rev == FPM_2310) {
2023 strcpy(ha->model_number, "QLA2310");
2024 } else {
2025 strcpy(ha->model_number, "QLA2300");
2026 }
2027 } else {
2028 qla2x00_set_model_info(vha, nv->model_number,
2029 sizeof(nv->model_number), "QLA23xx");
2030 }
2031 } else if (IS_QLA2200(ha)) {
2032 nv->firmware_options[0] |= BIT_2;
2033 /*
2034 * 'Point-to-point preferred, else loop' is not a safe
2035 * connection mode setting.
2036 */
2037 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2038 (BIT_5 | BIT_4)) {
2039 /* Force 'loop preferred, else point-to-point'. */
2040 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2041 nv->add_firmware_options[0] |= BIT_5;
2042 }
2043 strcpy(ha->model_number, "QLA22xx");
2044 } else /*if (IS_QLA2100(ha))*/ {
2045 strcpy(ha->model_number, "QLA2100");
2046 }
2047
2048 /*
2049 * Copy over NVRAM RISC parameter block to initialization control block.
2050 */
2051 dptr1 = (uint8_t *)icb;
2052 dptr2 = (uint8_t *)&nv->parameter_block_version;
2053 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2054 while (cnt--)
2055 *dptr1++ = *dptr2++;
2056
2057 /* Copy 2nd half. */
2058 dptr1 = (uint8_t *)icb->add_firmware_options;
2059 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2060 while (cnt--)
2061 *dptr1++ = *dptr2++;
2062
2063 /* Use alternate WWN? */
2064 if (nv->host_p[1] & BIT_7) {
2065 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2066 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2067 }
2068
2069 /* Prepare nodename */
2070 if ((icb->firmware_options[1] & BIT_6) == 0) {
2071 /*
2072 * Firmware will apply the following mask if the nodename was
2073 * not provided.
2074 */
2075 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2076 icb->node_name[0] &= 0xF0;
2077 }
2078
2079 /*
2080 * Set host adapter parameters.
2081 */
2082 if (nv->host_p[0] & BIT_7)
2083 ql2xextended_error_logging = 1;
2084 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2085 /* Always load RISC code on non ISP2[12]00 chips. */
2086 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2087 ha->flags.disable_risc_code_load = 0;
2088 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2089 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2090 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2091 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2092 ha->flags.disable_serdes = 0;
2093
2094 ha->operating_mode =
2095 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2096
2097 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2098 sizeof(ha->fw_seriallink_options));
2099
2100 /* save HBA serial number */
2101 ha->serial0 = icb->port_name[5];
2102 ha->serial1 = icb->port_name[6];
2103 ha->serial2 = icb->port_name[7];
2104 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2105 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2106
2107 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2108
2109 ha->retry_count = nv->retry_count;
2110
2111 /* Set minimum login_timeout to 4 seconds. */
2112 if (nv->login_timeout < ql2xlogintimeout)
2113 nv->login_timeout = ql2xlogintimeout;
2114 if (nv->login_timeout < 4)
2115 nv->login_timeout = 4;
2116 ha->login_timeout = nv->login_timeout;
2117 icb->login_timeout = nv->login_timeout;
2118
2119 /* Set minimum RATOV to 100 tenths of a second. */
2120 ha->r_a_tov = 100;
2121
2122 ha->loop_reset_delay = nv->reset_delay;
2123
2124 /* Link Down Timeout = 0:
2125 *
2126 * When Port Down timer expires we will start returning
2127 * I/O's to OS with "DID_NO_CONNECT".
2128 *
2129 * Link Down Timeout != 0:
2130 *
2131 * The driver waits for the link to come up after link down
2132 * before returning I/Os to OS with "DID_NO_CONNECT".
2133 */
2134 if (nv->link_down_timeout == 0) {
2135 ha->loop_down_abort_time =
2136 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2137 } else {
2138 ha->link_down_timeout = nv->link_down_timeout;
2139 ha->loop_down_abort_time =
2140 (LOOP_DOWN_TIME - ha->link_down_timeout);
2141 }
2142
2143 /*
2144 * Need enough time to try and get the port back.
2145 */
2146 ha->port_down_retry_count = nv->port_down_retry_count;
2147 if (qlport_down_retry)
2148 ha->port_down_retry_count = qlport_down_retry;
2149 /* Set login_retry_count */
2150 ha->login_retry_count = nv->retry_count;
2151 if (ha->port_down_retry_count == nv->port_down_retry_count &&
2152 ha->port_down_retry_count > 3)
2153 ha->login_retry_count = ha->port_down_retry_count;
2154 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2155 ha->login_retry_count = ha->port_down_retry_count;
2156 if (ql2xloginretrycount)
2157 ha->login_retry_count = ql2xloginretrycount;
2158
2159 icb->lun_enables = __constant_cpu_to_le16(0);
2160 icb->command_resource_count = 0;
2161 icb->immediate_notify_resource_count = 0;
2162 icb->timeout = __constant_cpu_to_le16(0);
2163
2164 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2165 /* Enable RIO */
2166 icb->firmware_options[0] &= ~BIT_3;
2167 icb->add_firmware_options[0] &=
2168 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2169 icb->add_firmware_options[0] |= BIT_2;
2170 icb->response_accumulation_timer = 3;
2171 icb->interrupt_delay_timer = 5;
2172
2173 vha->flags.process_response_queue = 1;
2174 } else {
2175 /* Enable ZIO. */
2176 if (!vha->flags.init_done) {
2177 ha->zio_mode = icb->add_firmware_options[0] &
2178 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2179 ha->zio_timer = icb->interrupt_delay_timer ?
2180 icb->interrupt_delay_timer: 2;
2181 }
2182 icb->add_firmware_options[0] &=
2183 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2184 vha->flags.process_response_queue = 0;
2185 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2186 ha->zio_mode = QLA_ZIO_MODE_6;
2187
2188 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2189 "delay (%d us).\n", vha->host_no, ha->zio_mode,
2190 ha->zio_timer * 100));
2191 qla_printk(KERN_INFO, ha,
2192 "ZIO mode %d enabled; timer delay (%d us).\n",
2193 ha->zio_mode, ha->zio_timer * 100);
2194
2195 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2196 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2197 vha->flags.process_response_queue = 1;
2198 }
2199 }
2200
2201 if (rval) {
2202 DEBUG2_3(printk(KERN_WARNING
2203 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2204 }
2205 return (rval);
2206 }
2207
2208 static void
2209 qla2x00_rport_del(void *data)
2210 {
2211 fc_port_t *fcport = data;
2212 struct fc_rport *rport;
2213
2214 spin_lock_irq(fcport->vha->host->host_lock);
2215 rport = fcport->drport ? fcport->drport: fcport->rport;
2216 fcport->drport = NULL;
2217 spin_unlock_irq(fcport->vha->host->host_lock);
2218 if (rport)
2219 fc_remote_port_delete(rport);
2220 }
2221
2222 /**
2223 * qla2x00_alloc_fcport() - Allocate a generic fcport.
2224 * @ha: HA context
2225 * @flags: allocation flags
2226 *
2227 * Returns a pointer to the allocated fcport, or NULL, if none available.
2228 */
2229 fc_port_t *
2230 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2231 {
2232 fc_port_t *fcport;
2233
2234 fcport = kzalloc(sizeof(fc_port_t), flags);
2235 if (!fcport)
2236 return NULL;
2237
2238 /* Setup fcport template structure. */
2239 fcport->vha = vha;
2240 fcport->vp_idx = vha->vp_idx;
2241 fcport->port_type = FCT_UNKNOWN;
2242 fcport->loop_id = FC_NO_LOOP_ID;
2243 atomic_set(&fcport->state, FCS_UNCONFIGURED);
2244 fcport->supported_classes = FC_COS_UNSPECIFIED;
2245
2246 return fcport;
2247 }
2248
2249 /*
2250 * qla2x00_configure_loop
2251 * Updates Fibre Channel Device Database with what is actually on loop.
2252 *
2253 * Input:
2254 * ha = adapter block pointer.
2255 *
2256 * Returns:
2257 * 0 = success.
2258 * 1 = error.
2259 * 2 = database was full and device was not configured.
2260 */
2261 static int
2262 qla2x00_configure_loop(scsi_qla_host_t *vha)
2263 {
2264 int rval;
2265 unsigned long flags, save_flags;
2266 struct qla_hw_data *ha = vha->hw;
2267 rval = QLA_SUCCESS;
2268
2269 /* Get Initiator ID */
2270 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2271 rval = qla2x00_configure_hba(vha);
2272 if (rval != QLA_SUCCESS) {
2273 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2274 vha->host_no));
2275 return (rval);
2276 }
2277 }
2278
2279 save_flags = flags = vha->dpc_flags;
2280 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2281 vha->host_no, flags));
2282
2283 /*
2284 * If we have both an RSCN and PORT UPDATE pending then handle them
2285 * both at the same time.
2286 */
2287 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2288 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2289
2290 qla2x00_get_data_rate(vha);
2291
2292 /* Determine what we need to do */
2293 if (ha->current_topology == ISP_CFG_FL &&
2294 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2295
2296 vha->flags.rscn_queue_overflow = 1;
2297 set_bit(RSCN_UPDATE, &flags);
2298
2299 } else if (ha->current_topology == ISP_CFG_F &&
2300 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2301
2302 vha->flags.rscn_queue_overflow = 1;
2303 set_bit(RSCN_UPDATE, &flags);
2304 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2305
2306 } else if (ha->current_topology == ISP_CFG_N) {
2307 clear_bit(RSCN_UPDATE, &flags);
2308
2309 } else if (!vha->flags.online ||
2310 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2311
2312 vha->flags.rscn_queue_overflow = 1;
2313 set_bit(RSCN_UPDATE, &flags);
2314 set_bit(LOCAL_LOOP_UPDATE, &flags);
2315 }
2316
2317 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2318 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2319 rval = QLA_FUNCTION_FAILED;
2320 else
2321 rval = qla2x00_configure_local_loop(vha);
2322 }
2323
2324 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2325 if (LOOP_TRANSITION(vha))
2326 rval = QLA_FUNCTION_FAILED;
2327 else
2328 rval = qla2x00_configure_fabric(vha);
2329 }
2330
2331 if (rval == QLA_SUCCESS) {
2332 if (atomic_read(&vha->loop_down_timer) ||
2333 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2334 rval = QLA_FUNCTION_FAILED;
2335 } else {
2336 atomic_set(&vha->loop_state, LOOP_READY);
2337
2338 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2339 }
2340 }
2341
2342 if (rval) {
2343 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2344 __func__, vha->host_no));
2345 } else {
2346 DEBUG3(printk("%s: exiting normally\n", __func__));
2347 }
2348
2349 /* Restore state if a resync event occurred during processing */
2350 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2351 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2352 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2353 if (test_bit(RSCN_UPDATE, &save_flags)) {
2354 set_bit(RSCN_UPDATE, &vha->dpc_flags);
2355 vha->flags.rscn_queue_overflow = 1;
2356 }
2357 }
2358
2359 return (rval);
2360 }
2361
2362
2363
2364 /*
2365 * qla2x00_configure_local_loop
2366 * Updates Fibre Channel Device Database with local loop devices.
2367 *
2368 * Input:
2369 * ha = adapter block pointer.
2370 *
2371 * Returns:
2372 * 0 = success.
2373 */
2374 static int
2375 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2376 {
2377 int rval, rval2;
2378 int found_devs;
2379 int found;
2380 fc_port_t *fcport, *new_fcport;
2381
2382 uint16_t index;
2383 uint16_t entries;
2384 char *id_iter;
2385 uint16_t loop_id;
2386 uint8_t domain, area, al_pa;
2387 struct qla_hw_data *ha = vha->hw;
2388
2389 found_devs = 0;
2390 new_fcport = NULL;
2391 entries = MAX_FIBRE_DEVICES;
2392
2393 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2394 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2395
2396 /* Get list of logged in devices. */
2397 memset(ha->gid_list, 0, GID_LIST_SIZE);
2398 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2399 &entries);
2400 if (rval != QLA_SUCCESS)
2401 goto cleanup_allocation;
2402
2403 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2404 vha->host_no, entries));
2405 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2406 entries * sizeof(struct gid_list_info)));
2407
2408 /* Allocate temporary fcport for any new fcports discovered. */
2409 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2410 if (new_fcport == NULL) {
2411 rval = QLA_MEMORY_ALLOC_FAILED;
2412 goto cleanup_allocation;
2413 }
2414 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2415
2416 /*
2417 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2418 */
2419 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2420 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2421 fcport->port_type != FCT_BROADCAST &&
2422 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2423
2424 DEBUG(printk("scsi(%ld): Marking port lost, "
2425 "loop_id=0x%04x\n",
2426 vha->host_no, fcport->loop_id));
2427
2428 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2429 }
2430 }
2431
2432 /* Add devices to port list. */
2433 id_iter = (char *)ha->gid_list;
2434 for (index = 0; index < entries; index++) {
2435 domain = ((struct gid_list_info *)id_iter)->domain;
2436 area = ((struct gid_list_info *)id_iter)->area;
2437 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2438 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2439 loop_id = (uint16_t)
2440 ((struct gid_list_info *)id_iter)->loop_id_2100;
2441 else
2442 loop_id = le16_to_cpu(
2443 ((struct gid_list_info *)id_iter)->loop_id);
2444 id_iter += ha->gid_list_info_size;
2445
2446 /* Bypass reserved domain fields. */
2447 if ((domain & 0xf0) == 0xf0)
2448 continue;
2449
2450 /* Bypass if not same domain and area of adapter. */
2451 if (area && domain &&
2452 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2453 continue;
2454
2455 /* Bypass invalid local loop ID. */
2456 if (loop_id > LAST_LOCAL_LOOP_ID)
2457 continue;
2458
2459 /* Fill in member data. */
2460 new_fcport->d_id.b.domain = domain;
2461 new_fcport->d_id.b.area = area;
2462 new_fcport->d_id.b.al_pa = al_pa;
2463 new_fcport->loop_id = loop_id;
2464 new_fcport->vp_idx = vha->vp_idx;
2465 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2466 if (rval2 != QLA_SUCCESS) {
2467 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2468 "information -- get_port_database=%x, "
2469 "loop_id=0x%04x\n",
2470 vha->host_no, rval2, new_fcport->loop_id));
2471 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2472 vha->host_no));
2473 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2474 continue;
2475 }
2476
2477 /* Check for matching device in port list. */
2478 found = 0;
2479 fcport = NULL;
2480 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2481 if (memcmp(new_fcport->port_name, fcport->port_name,
2482 WWN_SIZE))
2483 continue;
2484
2485 fcport->flags &= ~FCF_FABRIC_DEVICE;
2486 fcport->loop_id = new_fcport->loop_id;
2487 fcport->port_type = new_fcport->port_type;
2488 fcport->d_id.b24 = new_fcport->d_id.b24;
2489 memcpy(fcport->node_name, new_fcport->node_name,
2490 WWN_SIZE);
2491
2492 found++;
2493 break;
2494 }
2495
2496 if (!found) {
2497 /* New device, add to fcports list. */
2498 if (vha->vp_idx) {
2499 new_fcport->vha = vha;
2500 new_fcport->vp_idx = vha->vp_idx;
2501 }
2502 list_add_tail(&new_fcport->list, &vha->vp_fcports);
2503
2504 /* Allocate a new replacement fcport. */
2505 fcport = new_fcport;
2506 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2507 if (new_fcport == NULL) {
2508 rval = QLA_MEMORY_ALLOC_FAILED;
2509 goto cleanup_allocation;
2510 }
2511 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2512 }
2513
2514 /* Base iIDMA settings on HBA port speed. */
2515 fcport->fp_speed = ha->link_data_rate;
2516
2517 qla2x00_update_fcport(vha, fcport);
2518
2519 found_devs++;
2520 }
2521
2522 cleanup_allocation:
2523 kfree(new_fcport);
2524
2525 if (rval != QLA_SUCCESS) {
2526 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2527 "rval=%x\n", vha->host_no, rval));
2528 }
2529
2530 return (rval);
2531 }
2532
2533 static void
2534 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2535 {
2536 #define LS_UNKNOWN 2
2537 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2538 char *link_speed;
2539 int rval;
2540 uint16_t mb[4];
2541 struct qla_hw_data *ha = vha->hw;
2542
2543 if (!IS_IIDMA_CAPABLE(ha))
2544 return;
2545
2546 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2547 fcport->fp_speed > ha->link_data_rate)
2548 return;
2549
2550 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2551 mb);
2552 if (rval != QLA_SUCCESS) {
2553 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2554 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2555 vha->host_no, fcport->port_name[0], fcport->port_name[1],
2556 fcport->port_name[2], fcport->port_name[3],
2557 fcport->port_name[4], fcport->port_name[5],
2558 fcport->port_name[6], fcport->port_name[7], rval,
2559 fcport->fp_speed, mb[0], mb[1]));
2560 } else {
2561 link_speed = link_speeds[LS_UNKNOWN];
2562 if (fcport->fp_speed < 5)
2563 link_speed = link_speeds[fcport->fp_speed];
2564 else if (fcport->fp_speed == 0x13)
2565 link_speed = link_speeds[5];
2566 DEBUG2(qla_printk(KERN_INFO, ha,
2567 "iIDMA adjusted to %s GB/s on "
2568 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2569 link_speed, fcport->port_name[0],
2570 fcport->port_name[1], fcport->port_name[2],
2571 fcport->port_name[3], fcport->port_name[4],
2572 fcport->port_name[5], fcport->port_name[6],
2573 fcport->port_name[7]));
2574 }
2575 }
2576
2577 static void
2578 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2579 {
2580 struct fc_rport_identifiers rport_ids;
2581 struct fc_rport *rport;
2582 struct qla_hw_data *ha = vha->hw;
2583
2584 qla2x00_rport_del(fcport);
2585
2586 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2587 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2588 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2589 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2590 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2591 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2592 if (!rport) {
2593 qla_printk(KERN_WARNING, ha,
2594 "Unable to allocate fc remote port!\n");
2595 return;
2596 }
2597 spin_lock_irq(fcport->vha->host->host_lock);
2598 *((fc_port_t **)rport->dd_data) = fcport;
2599 spin_unlock_irq(fcport->vha->host->host_lock);
2600
2601 rport->supported_classes = fcport->supported_classes;
2602
2603 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2604 if (fcport->port_type == FCT_INITIATOR)
2605 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2606 if (fcport->port_type == FCT_TARGET)
2607 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2608 fc_remote_port_rolechg(rport, rport_ids.roles);
2609 }
2610
2611 /*
2612 * qla2x00_update_fcport
2613 * Updates device on list.
2614 *
2615 * Input:
2616 * ha = adapter block pointer.
2617 * fcport = port structure pointer.
2618 *
2619 * Return:
2620 * 0 - Success
2621 * BIT_0 - error
2622 *
2623 * Context:
2624 * Kernel context.
2625 */
2626 void
2627 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2628 {
2629 struct qla_hw_data *ha = vha->hw;
2630
2631 fcport->vha = vha;
2632 fcport->login_retry = 0;
2633 fcport->port_login_retry_count = ha->port_down_retry_count *
2634 PORT_RETRY_TIME;
2635 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2636 PORT_RETRY_TIME);
2637 fcport->flags &= ~FCF_LOGIN_NEEDED;
2638
2639 qla2x00_iidma_fcport(vha, fcport);
2640
2641 atomic_set(&fcport->state, FCS_ONLINE);
2642
2643 qla2x00_reg_remote_port(vha, fcport);
2644 }
2645
2646 /*
2647 * qla2x00_configure_fabric
2648 * Setup SNS devices with loop ID's.
2649 *
2650 * Input:
2651 * ha = adapter block pointer.
2652 *
2653 * Returns:
2654 * 0 = success.
2655 * BIT_0 = error
2656 */
2657 static int
2658 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2659 {
2660 int rval, rval2;
2661 fc_port_t *fcport, *fcptemp;
2662 uint16_t next_loopid;
2663 uint16_t mb[MAILBOX_REGISTER_COUNT];
2664 uint16_t loop_id;
2665 LIST_HEAD(new_fcports);
2666 struct qla_hw_data *ha = vha->hw;
2667 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2668
2669 /* If FL port exists, then SNS is present */
2670 if (IS_FWI2_CAPABLE(ha))
2671 loop_id = NPH_F_PORT;
2672 else
2673 loop_id = SNS_FL_PORT;
2674 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2675 if (rval != QLA_SUCCESS) {
2676 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2677 "Port\n", vha->host_no));
2678
2679 vha->device_flags &= ~SWITCH_FOUND;
2680 return (QLA_SUCCESS);
2681 }
2682 vha->device_flags |= SWITCH_FOUND;
2683
2684 /* Mark devices that need re-synchronization. */
2685 rval2 = qla2x00_device_resync(vha);
2686 if (rval2 == QLA_RSCNS_HANDLED) {
2687 /* No point doing the scan, just continue. */
2688 return (QLA_SUCCESS);
2689 }
2690 do {
2691 /* FDMI support. */
2692 if (ql2xfdmienable &&
2693 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2694 qla2x00_fdmi_register(vha);
2695
2696 /* Ensure we are logged into the SNS. */
2697 if (IS_FWI2_CAPABLE(ha))
2698 loop_id = NPH_SNS;
2699 else
2700 loop_id = SIMPLE_NAME_SERVER;
2701 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2702 0xfc, mb, BIT_1 | BIT_0);
2703 if (mb[0] != MBS_COMMAND_COMPLETE) {
2704 DEBUG2(qla_printk(KERN_INFO, ha,
2705 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2706 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2707 mb[0], mb[1], mb[2], mb[6], mb[7]));
2708 return (QLA_SUCCESS);
2709 }
2710
2711 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2712 if (qla2x00_rft_id(vha)) {
2713 /* EMPTY */
2714 DEBUG2(printk("scsi(%ld): Register FC-4 "
2715 "TYPE failed.\n", vha->host_no));
2716 }
2717 if (qla2x00_rff_id(vha)) {
2718 /* EMPTY */
2719 DEBUG2(printk("scsi(%ld): Register FC-4 "
2720 "Features failed.\n", vha->host_no));
2721 }
2722 if (qla2x00_rnn_id(vha)) {
2723 /* EMPTY */
2724 DEBUG2(printk("scsi(%ld): Register Node Name "
2725 "failed.\n", vha->host_no));
2726 } else if (qla2x00_rsnn_nn(vha)) {
2727 /* EMPTY */
2728 DEBUG2(printk("scsi(%ld): Register Symbolic "
2729 "Node Name failed.\n", vha->host_no));
2730 }
2731 }
2732
2733 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
2734 if (rval != QLA_SUCCESS)
2735 break;
2736
2737 /*
2738 * Logout all previous fabric devices marked lost, except
2739 * FCP2 devices.
2740 */
2741 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2742 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2743 break;
2744
2745 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2746 continue;
2747
2748 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2749 qla2x00_mark_device_lost(vha, fcport,
2750 ql2xplogiabsentdevice, 0);
2751 if (fcport->loop_id != FC_NO_LOOP_ID &&
2752 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
2753 fcport->port_type != FCT_INITIATOR &&
2754 fcport->port_type != FCT_BROADCAST) {
2755 ha->isp_ops->fabric_logout(vha,
2756 fcport->loop_id,
2757 fcport->d_id.b.domain,
2758 fcport->d_id.b.area,
2759 fcport->d_id.b.al_pa);
2760 fcport->loop_id = FC_NO_LOOP_ID;
2761 }
2762 }
2763 }
2764
2765 /* Starting free loop ID. */
2766 next_loopid = ha->min_external_loopid;
2767
2768 /*
2769 * Scan through our port list and login entries that need to be
2770 * logged in.
2771 */
2772 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2773 if (atomic_read(&vha->loop_down_timer) ||
2774 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2775 break;
2776
2777 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2778 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2779 continue;
2780
2781 if (fcport->loop_id == FC_NO_LOOP_ID) {
2782 fcport->loop_id = next_loopid;
2783 rval = qla2x00_find_new_loop_id(
2784 base_vha, fcport);
2785 if (rval != QLA_SUCCESS) {
2786 /* Ran out of IDs to use */
2787 break;
2788 }
2789 }
2790 /* Login and update database */
2791 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2792 }
2793
2794 /* Exit if out of loop IDs. */
2795 if (rval != QLA_SUCCESS) {
2796 break;
2797 }
2798
2799 /*
2800 * Login and add the new devices to our port list.
2801 */
2802 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2803 if (atomic_read(&vha->loop_down_timer) ||
2804 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2805 break;
2806
2807 /* Find a new loop ID to use. */
2808 fcport->loop_id = next_loopid;
2809 rval = qla2x00_find_new_loop_id(base_vha, fcport);
2810 if (rval != QLA_SUCCESS) {
2811 /* Ran out of IDs to use */
2812 break;
2813 }
2814
2815 /* Login and update database */
2816 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2817
2818 if (vha->vp_idx) {
2819 fcport->vha = vha;
2820 fcport->vp_idx = vha->vp_idx;
2821 }
2822 list_move_tail(&fcport->list, &vha->vp_fcports);
2823 }
2824 } while (0);
2825
2826 /* Free all new device structures not processed. */
2827 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2828 list_del(&fcport->list);
2829 kfree(fcport);
2830 }
2831
2832 if (rval) {
2833 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2834 "rval=%d\n", vha->host_no, rval));
2835 }
2836
2837 return (rval);
2838 }
2839
2840
2841 /*
2842 * qla2x00_find_all_fabric_devs
2843 *
2844 * Input:
2845 * ha = adapter block pointer.
2846 * dev = database device entry pointer.
2847 *
2848 * Returns:
2849 * 0 = success.
2850 *
2851 * Context:
2852 * Kernel context.
2853 */
2854 static int
2855 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2856 struct list_head *new_fcports)
2857 {
2858 int rval;
2859 uint16_t loop_id;
2860 fc_port_t *fcport, *new_fcport, *fcptemp;
2861 int found;
2862
2863 sw_info_t *swl;
2864 int swl_idx;
2865 int first_dev, last_dev;
2866 port_id_t wrap, nxt_d_id;
2867 struct qla_hw_data *ha = vha->hw;
2868 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
2869 struct scsi_qla_host *tvp;
2870
2871 rval = QLA_SUCCESS;
2872
2873 /* Try GID_PT to get device list, else GAN. */
2874 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
2875 if (!swl) {
2876 /*EMPTY*/
2877 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2878 "on GA_NXT\n", vha->host_no));
2879 } else {
2880 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
2881 kfree(swl);
2882 swl = NULL;
2883 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
2884 kfree(swl);
2885 swl = NULL;
2886 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
2887 kfree(swl);
2888 swl = NULL;
2889 } else if (ql2xiidmaenable &&
2890 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2891 qla2x00_gpsc(vha, swl);
2892 }
2893 }
2894 swl_idx = 0;
2895
2896 /* Allocate temporary fcport for any new fcports discovered. */
2897 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2898 if (new_fcport == NULL) {
2899 kfree(swl);
2900 return (QLA_MEMORY_ALLOC_FAILED);
2901 }
2902 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2903 /* Set start port ID scan at adapter ID. */
2904 first_dev = 1;
2905 last_dev = 0;
2906
2907 /* Starting free loop ID. */
2908 loop_id = ha->min_external_loopid;
2909 for (; loop_id <= ha->max_loop_id; loop_id++) {
2910 if (qla2x00_is_reserved_id(vha, loop_id))
2911 continue;
2912
2913 if (atomic_read(&vha->loop_down_timer) ||
2914 LOOP_TRANSITION(vha)) {
2915 atomic_set(&vha->loop_down_timer, 0);
2916 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2917 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2918 break;
2919 }
2920
2921 if (swl != NULL) {
2922 if (last_dev) {
2923 wrap.b24 = new_fcport->d_id.b24;
2924 } else {
2925 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2926 memcpy(new_fcport->node_name,
2927 swl[swl_idx].node_name, WWN_SIZE);
2928 memcpy(new_fcport->port_name,
2929 swl[swl_idx].port_name, WWN_SIZE);
2930 memcpy(new_fcport->fabric_port_name,
2931 swl[swl_idx].fabric_port_name, WWN_SIZE);
2932 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2933
2934 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2935 last_dev = 1;
2936 }
2937 swl_idx++;
2938 }
2939 } else {
2940 /* Send GA_NXT to the switch */
2941 rval = qla2x00_ga_nxt(vha, new_fcport);
2942 if (rval != QLA_SUCCESS) {
2943 qla_printk(KERN_WARNING, ha,
2944 "SNS scan failed -- assuming zero-entry "
2945 "result...\n");
2946 list_for_each_entry_safe(fcport, fcptemp,
2947 new_fcports, list) {
2948 list_del(&fcport->list);
2949 kfree(fcport);
2950 }
2951 rval = QLA_SUCCESS;
2952 break;
2953 }
2954 }
2955
2956 /* If wrap on switch device list, exit. */
2957 if (first_dev) {
2958 wrap.b24 = new_fcport->d_id.b24;
2959 first_dev = 0;
2960 } else if (new_fcport->d_id.b24 == wrap.b24) {
2961 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2962 vha->host_no, new_fcport->d_id.b.domain,
2963 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2964 break;
2965 }
2966
2967 /* Bypass if same physical adapter. */
2968 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
2969 continue;
2970
2971 /* Bypass virtual ports of the same host. */
2972 found = 0;
2973 if (ha->num_vhosts) {
2974 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2975 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2976 found = 1;
2977 break;
2978 }
2979 }
2980 if (found)
2981 continue;
2982 }
2983
2984 /* Bypass if same domain and area of adapter. */
2985 if (((new_fcport->d_id.b24 & 0xffff00) ==
2986 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2987 ISP_CFG_FL)
2988 continue;
2989
2990 /* Bypass reserved domain fields. */
2991 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2992 continue;
2993
2994 /* Locate matching device in database. */
2995 found = 0;
2996 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2997 if (memcmp(new_fcport->port_name, fcport->port_name,
2998 WWN_SIZE))
2999 continue;
3000
3001 found++;
3002
3003 /* Update port state. */
3004 memcpy(fcport->fabric_port_name,
3005 new_fcport->fabric_port_name, WWN_SIZE);
3006 fcport->fp_speed = new_fcport->fp_speed;
3007
3008 /*
3009 * If address the same and state FCS_ONLINE, nothing
3010 * changed.
3011 */
3012 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3013 atomic_read(&fcport->state) == FCS_ONLINE) {
3014 break;
3015 }
3016
3017 /*
3018 * If device was not a fabric device before.
3019 */
3020 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3021 fcport->d_id.b24 = new_fcport->d_id.b24;
3022 fcport->loop_id = FC_NO_LOOP_ID;
3023 fcport->flags |= (FCF_FABRIC_DEVICE |
3024 FCF_LOGIN_NEEDED);
3025 break;
3026 }
3027
3028 /*
3029 * Port ID changed or device was marked to be updated;
3030 * Log it out if still logged in and mark it for
3031 * relogin later.
3032 */
3033 fcport->d_id.b24 = new_fcport->d_id.b24;
3034 fcport->flags |= FCF_LOGIN_NEEDED;
3035 if (fcport->loop_id != FC_NO_LOOP_ID &&
3036 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3037 fcport->port_type != FCT_INITIATOR &&
3038 fcport->port_type != FCT_BROADCAST) {
3039 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3040 fcport->d_id.b.domain, fcport->d_id.b.area,
3041 fcport->d_id.b.al_pa);
3042 fcport->loop_id = FC_NO_LOOP_ID;
3043 }
3044
3045 break;
3046 }
3047
3048 if (found)
3049 continue;
3050 /* If device was not in our fcports list, then add it. */
3051 list_add_tail(&new_fcport->list, new_fcports);
3052
3053 /* Allocate a new replacement fcport. */
3054 nxt_d_id.b24 = new_fcport->d_id.b24;
3055 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3056 if (new_fcport == NULL) {
3057 kfree(swl);
3058 return (QLA_MEMORY_ALLOC_FAILED);
3059 }
3060 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3061 new_fcport->d_id.b24 = nxt_d_id.b24;
3062 }
3063
3064 kfree(swl);
3065 kfree(new_fcport);
3066
3067 return (rval);
3068 }
3069
3070 /*
3071 * qla2x00_find_new_loop_id
3072 * Scan through our port list and find a new usable loop ID.
3073 *
3074 * Input:
3075 * ha: adapter state pointer.
3076 * dev: port structure pointer.
3077 *
3078 * Returns:
3079 * qla2x00 local function return status code.
3080 *
3081 * Context:
3082 * Kernel context.
3083 */
3084 static int
3085 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3086 {
3087 int rval;
3088 int found;
3089 fc_port_t *fcport;
3090 uint16_t first_loop_id;
3091 struct qla_hw_data *ha = vha->hw;
3092 struct scsi_qla_host *vp;
3093 struct scsi_qla_host *tvp;
3094
3095 rval = QLA_SUCCESS;
3096
3097 /* Save starting loop ID. */
3098 first_loop_id = dev->loop_id;
3099
3100 for (;;) {
3101 /* Skip loop ID if already used by adapter. */
3102 if (dev->loop_id == vha->loop_id)
3103 dev->loop_id++;
3104
3105 /* Skip reserved loop IDs. */
3106 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3107 dev->loop_id++;
3108
3109 /* Reset loop ID if passed the end. */
3110 if (dev->loop_id > ha->max_loop_id) {
3111 /* first loop ID. */
3112 dev->loop_id = ha->min_external_loopid;
3113 }
3114
3115 /* Check for loop ID being already in use. */
3116 found = 0;
3117 fcport = NULL;
3118 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3119 list_for_each_entry(fcport, &vp->vp_fcports, list) {
3120 if (fcport->loop_id == dev->loop_id &&
3121 fcport != dev) {
3122 /* ID possibly in use */
3123 found++;
3124 break;
3125 }
3126 }
3127 if (found)
3128 break;
3129 }
3130
3131 /* If not in use then it is free to use. */
3132 if (!found) {
3133 break;
3134 }
3135
3136 /* ID in use. Try next value. */
3137 dev->loop_id++;
3138
3139 /* If wrap around. No free ID to use. */
3140 if (dev->loop_id == first_loop_id) {
3141 dev->loop_id = FC_NO_LOOP_ID;
3142 rval = QLA_FUNCTION_FAILED;
3143 break;
3144 }
3145 }
3146
3147 return (rval);
3148 }
3149
3150 /*
3151 * qla2x00_device_resync
3152 * Marks devices in the database that needs resynchronization.
3153 *
3154 * Input:
3155 * ha = adapter block pointer.
3156 *
3157 * Context:
3158 * Kernel context.
3159 */
3160 static int
3161 qla2x00_device_resync(scsi_qla_host_t *vha)
3162 {
3163 int rval;
3164 uint32_t mask;
3165 fc_port_t *fcport;
3166 uint32_t rscn_entry;
3167 uint8_t rscn_out_iter;
3168 uint8_t format;
3169 port_id_t d_id;
3170
3171 rval = QLA_RSCNS_HANDLED;
3172
3173 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3174 vha->flags.rscn_queue_overflow) {
3175
3176 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3177 format = MSB(MSW(rscn_entry));
3178 d_id.b.domain = LSB(MSW(rscn_entry));
3179 d_id.b.area = MSB(LSW(rscn_entry));
3180 d_id.b.al_pa = LSB(LSW(rscn_entry));
3181
3182 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3183 "[%02x/%02x%02x%02x].\n",
3184 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3185 d_id.b.area, d_id.b.al_pa));
3186
3187 vha->rscn_out_ptr++;
3188 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3189 vha->rscn_out_ptr = 0;
3190
3191 /* Skip duplicate entries. */
3192 for (rscn_out_iter = vha->rscn_out_ptr;
3193 !vha->flags.rscn_queue_overflow &&
3194 rscn_out_iter != vha->rscn_in_ptr;
3195 rscn_out_iter = (rscn_out_iter ==
3196 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3197
3198 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3199 break;
3200
3201 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3202 "entry found at [%d].\n", vha->host_no,
3203 rscn_out_iter));
3204
3205 vha->rscn_out_ptr = rscn_out_iter;
3206 }
3207
3208 /* Queue overflow, set switch default case. */
3209 if (vha->flags.rscn_queue_overflow) {
3210 DEBUG(printk("scsi(%ld): device_resync: rscn "
3211 "overflow.\n", vha->host_no));
3212
3213 format = 3;
3214 vha->flags.rscn_queue_overflow = 0;
3215 }
3216
3217 switch (format) {
3218 case 0:
3219 mask = 0xffffff;
3220 break;
3221 case 1:
3222 mask = 0xffff00;
3223 break;
3224 case 2:
3225 mask = 0xff0000;
3226 break;
3227 default:
3228 mask = 0x0;
3229 d_id.b24 = 0;
3230 vha->rscn_out_ptr = vha->rscn_in_ptr;
3231 break;
3232 }
3233
3234 rval = QLA_SUCCESS;
3235
3236 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3237 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3238 (fcport->d_id.b24 & mask) != d_id.b24 ||
3239 fcport->port_type == FCT_BROADCAST)
3240 continue;
3241
3242 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3243 if (format != 3 ||
3244 fcport->port_type != FCT_INITIATOR) {
3245 qla2x00_mark_device_lost(vha, fcport,
3246 0, 0);
3247 }
3248 }
3249 }
3250 }
3251 return (rval);
3252 }
3253
3254 /*
3255 * qla2x00_fabric_dev_login
3256 * Login fabric target device and update FC port database.
3257 *
3258 * Input:
3259 * ha: adapter state pointer.
3260 * fcport: port structure list pointer.
3261 * next_loopid: contains value of a new loop ID that can be used
3262 * by the next login attempt.
3263 *
3264 * Returns:
3265 * qla2x00 local function return status code.
3266 *
3267 * Context:
3268 * Kernel context.
3269 */
3270 static int
3271 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3272 uint16_t *next_loopid)
3273 {
3274 int rval;
3275 int retry;
3276 uint8_t opts;
3277 struct qla_hw_data *ha = vha->hw;
3278
3279 rval = QLA_SUCCESS;
3280 retry = 0;
3281
3282 if (IS_ALOGIO_CAPABLE(ha)) {
3283 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3284 if (!rval)
3285 return rval;
3286 }
3287
3288 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3289 if (rval == QLA_SUCCESS) {
3290 /* Send an ADISC to FCP2 devices.*/
3291 opts = 0;
3292 if (fcport->flags & FCF_FCP2_DEVICE)
3293 opts |= BIT_1;
3294 rval = qla2x00_get_port_database(vha, fcport, opts);
3295 if (rval != QLA_SUCCESS) {
3296 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3297 fcport->d_id.b.domain, fcport->d_id.b.area,
3298 fcport->d_id.b.al_pa);
3299 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3300 } else {
3301 qla2x00_update_fcport(vha, fcport);
3302 }
3303 }
3304
3305 return (rval);
3306 }
3307
3308 /*
3309 * qla2x00_fabric_login
3310 * Issue fabric login command.
3311 *
3312 * Input:
3313 * ha = adapter block pointer.
3314 * device = pointer to FC device type structure.
3315 *
3316 * Returns:
3317 * 0 - Login successfully
3318 * 1 - Login failed
3319 * 2 - Initiator device
3320 * 3 - Fatal error
3321 */
3322 int
3323 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3324 uint16_t *next_loopid)
3325 {
3326 int rval;
3327 int retry;
3328 uint16_t tmp_loopid;
3329 uint16_t mb[MAILBOX_REGISTER_COUNT];
3330 struct qla_hw_data *ha = vha->hw;
3331
3332 retry = 0;
3333 tmp_loopid = 0;
3334
3335 for (;;) {
3336 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3337 "for port %02x%02x%02x.\n",
3338 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3339 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3340
3341 /* Login fcport on switch. */
3342 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3343 fcport->d_id.b.domain, fcport->d_id.b.area,
3344 fcport->d_id.b.al_pa, mb, BIT_0);
3345 if (mb[0] == MBS_PORT_ID_USED) {
3346 /*
3347 * Device has another loop ID. The firmware team
3348 * recommends the driver perform an implicit login with
3349 * the specified ID again. The ID we just used is save
3350 * here so we return with an ID that can be tried by
3351 * the next login.
3352 */
3353 retry++;
3354 tmp_loopid = fcport->loop_id;
3355 fcport->loop_id = mb[1];
3356
3357 DEBUG(printk("Fabric Login: port in use - next "
3358 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3359 fcport->loop_id, fcport->d_id.b.domain,
3360 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3361
3362 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3363 /*
3364 * Login succeeded.
3365 */
3366 if (retry) {
3367 /* A retry occurred before. */
3368 *next_loopid = tmp_loopid;
3369 } else {
3370 /*
3371 * No retry occurred before. Just increment the
3372 * ID value for next login.
3373 */
3374 *next_loopid = (fcport->loop_id + 1);
3375 }
3376
3377 if (mb[1] & BIT_0) {
3378 fcport->port_type = FCT_INITIATOR;
3379 } else {
3380 fcport->port_type = FCT_TARGET;
3381 if (mb[1] & BIT_1) {
3382 fcport->flags |= FCF_FCP2_DEVICE;
3383 }
3384 }
3385
3386 if (mb[10] & BIT_0)
3387 fcport->supported_classes |= FC_COS_CLASS2;
3388 if (mb[10] & BIT_1)
3389 fcport->supported_classes |= FC_COS_CLASS3;
3390
3391 rval = QLA_SUCCESS;
3392 break;
3393 } else if (mb[0] == MBS_LOOP_ID_USED) {
3394 /*
3395 * Loop ID already used, try next loop ID.
3396 */
3397 fcport->loop_id++;
3398 rval = qla2x00_find_new_loop_id(vha, fcport);
3399 if (rval != QLA_SUCCESS) {
3400 /* Ran out of loop IDs to use */
3401 break;
3402 }
3403 } else if (mb[0] == MBS_COMMAND_ERROR) {
3404 /*
3405 * Firmware possibly timed out during login. If NO
3406 * retries are left to do then the device is declared
3407 * dead.
3408 */
3409 *next_loopid = fcport->loop_id;
3410 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3411 fcport->d_id.b.domain, fcport->d_id.b.area,
3412 fcport->d_id.b.al_pa);
3413 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3414
3415 rval = 1;
3416 break;
3417 } else {
3418 /*
3419 * unrecoverable / not handled error
3420 */
3421 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3422 "loop_id=%x jiffies=%lx.\n",
3423 __func__, vha->host_no, mb[0],
3424 fcport->d_id.b.domain, fcport->d_id.b.area,
3425 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3426
3427 *next_loopid = fcport->loop_id;
3428 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3429 fcport->d_id.b.domain, fcport->d_id.b.area,
3430 fcport->d_id.b.al_pa);
3431 fcport->loop_id = FC_NO_LOOP_ID;
3432 fcport->login_retry = 0;
3433
3434 rval = 3;
3435 break;
3436 }
3437 }
3438
3439 return (rval);
3440 }
3441
3442 /*
3443 * qla2x00_local_device_login
3444 * Issue local device login command.
3445 *
3446 * Input:
3447 * ha = adapter block pointer.
3448 * loop_id = loop id of device to login to.
3449 *
3450 * Returns (Where's the #define!!!!):
3451 * 0 - Login successfully
3452 * 1 - Login failed
3453 * 3 - Fatal error
3454 */
3455 int
3456 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3457 {
3458 int rval;
3459 uint16_t mb[MAILBOX_REGISTER_COUNT];
3460
3461 memset(mb, 0, sizeof(mb));
3462 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3463 if (rval == QLA_SUCCESS) {
3464 /* Interrogate mailbox registers for any errors */
3465 if (mb[0] == MBS_COMMAND_ERROR)
3466 rval = 1;
3467 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3468 /* device not in PCB table */
3469 rval = 3;
3470 }
3471
3472 return (rval);
3473 }
3474
3475 /*
3476 * qla2x00_loop_resync
3477 * Resync with fibre channel devices.
3478 *
3479 * Input:
3480 * ha = adapter block pointer.
3481 *
3482 * Returns:
3483 * 0 = success
3484 */
3485 int
3486 qla2x00_loop_resync(scsi_qla_host_t *vha)
3487 {
3488 int rval = QLA_SUCCESS;
3489 uint32_t wait_time;
3490 struct req_que *req;
3491 struct rsp_que *rsp;
3492
3493 if (vha->hw->flags.cpu_affinity_enabled)
3494 req = vha->hw->req_q_map[0];
3495 else
3496 req = vha->req;
3497 rsp = req->rsp;
3498
3499 atomic_set(&vha->loop_state, LOOP_UPDATE);
3500 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3501 if (vha->flags.online) {
3502 if (!(rval = qla2x00_fw_ready(vha))) {
3503 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3504 wait_time = 256;
3505 do {
3506 atomic_set(&vha->loop_state, LOOP_UPDATE);
3507
3508 /* Issue a marker after FW becomes ready. */
3509 qla2x00_marker(vha, req, rsp, 0, 0,
3510 MK_SYNC_ALL);
3511 vha->marker_needed = 0;
3512
3513 /* Remap devices on Loop. */
3514 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3515
3516 qla2x00_configure_loop(vha);
3517 wait_time--;
3518 } while (!atomic_read(&vha->loop_down_timer) &&
3519 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3520 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3521 &vha->dpc_flags)));
3522 }
3523 }
3524
3525 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3526 return (QLA_FUNCTION_FAILED);
3527
3528 if (rval)
3529 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3530
3531 return (rval);
3532 }
3533
3534 void
3535 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3536 {
3537 fc_port_t *fcport;
3538 struct scsi_qla_host *tvp, *vha;
3539
3540 /* Go with deferred removal of rport references. */
3541 list_for_each_entry_safe(vha, tvp, &base_vha->hw->vp_list, list)
3542 list_for_each_entry(fcport, &vha->vp_fcports, list)
3543 if (fcport && fcport->drport &&
3544 atomic_read(&fcport->state) != FCS_UNCONFIGURED)
3545 qla2x00_rport_del(fcport);
3546 }
3547
3548 /*
3549 * qla2x00_abort_isp
3550 * Resets ISP and aborts all outstanding commands.
3551 *
3552 * Input:
3553 * ha = adapter block pointer.
3554 *
3555 * Returns:
3556 * 0 = success
3557 */
3558 int
3559 qla2x00_abort_isp(scsi_qla_host_t *vha)
3560 {
3561 int rval;
3562 uint8_t status = 0;
3563 struct qla_hw_data *ha = vha->hw;
3564 struct scsi_qla_host *vp;
3565 struct scsi_qla_host *tvp;
3566 struct req_que *req = ha->req_q_map[0];
3567
3568 if (vha->flags.online) {
3569 vha->flags.online = 0;
3570 ha->flags.chip_reset_done = 0;
3571 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3572 ha->qla_stats.total_isp_aborts++;
3573
3574 qla_printk(KERN_INFO, ha,
3575 "Performing ISP error recovery - ha= %p.\n", ha);
3576 ha->isp_ops->reset_chip(vha);
3577
3578 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3579 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3580 atomic_set(&vha->loop_state, LOOP_DOWN);
3581 qla2x00_mark_all_devices_lost(vha, 0);
3582 } else {
3583 if (!atomic_read(&vha->loop_down_timer))
3584 atomic_set(&vha->loop_down_timer,
3585 LOOP_DOWN_TIME);
3586 }
3587
3588 /* Requeue all commands in outstanding command list. */
3589 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3590
3591 if (unlikely(pci_channel_offline(ha->pdev) &&
3592 ha->flags.pci_channel_io_perm_failure)) {
3593 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3594 status = 0;
3595 return status;
3596 }
3597
3598 ha->isp_ops->get_flash_version(vha, req->ring);
3599
3600 ha->isp_ops->nvram_config(vha);
3601
3602 if (!qla2x00_restart_isp(vha)) {
3603 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3604
3605 if (!atomic_read(&vha->loop_down_timer)) {
3606 /*
3607 * Issue marker command only when we are going
3608 * to start the I/O .
3609 */
3610 vha->marker_needed = 1;
3611 }
3612
3613 vha->flags.online = 1;
3614
3615 ha->isp_ops->enable_intrs(ha);
3616
3617 ha->isp_abort_cnt = 0;
3618 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3619
3620 if (IS_QLA81XX(ha))
3621 qla2x00_get_fw_version(vha,
3622 &ha->fw_major_version,
3623 &ha->fw_minor_version,
3624 &ha->fw_subminor_version,
3625 &ha->fw_attributes, &ha->fw_memory_size,
3626 ha->mpi_version, &ha->mpi_capabilities,
3627 ha->phy_version);
3628
3629 if (ha->fce) {
3630 ha->flags.fce_enabled = 1;
3631 memset(ha->fce, 0,
3632 fce_calc_size(ha->fce_bufs));
3633 rval = qla2x00_enable_fce_trace(vha,
3634 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3635 &ha->fce_bufs);
3636 if (rval) {
3637 qla_printk(KERN_WARNING, ha,
3638 "Unable to reinitialize FCE "
3639 "(%d).\n", rval);
3640 ha->flags.fce_enabled = 0;
3641 }
3642 }
3643
3644 if (ha->eft) {
3645 memset(ha->eft, 0, EFT_SIZE);
3646 rval = qla2x00_enable_eft_trace(vha,
3647 ha->eft_dma, EFT_NUM_BUFFERS);
3648 if (rval) {
3649 qla_printk(KERN_WARNING, ha,
3650 "Unable to reinitialize EFT "
3651 "(%d).\n", rval);
3652 }
3653 }
3654 } else { /* failed the ISP abort */
3655 vha->flags.online = 1;
3656 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3657 if (ha->isp_abort_cnt == 0) {
3658 qla_printk(KERN_WARNING, ha,
3659 "ISP error recovery failed - "
3660 "board disabled\n");
3661 /*
3662 * The next call disables the board
3663 * completely.
3664 */
3665 ha->isp_ops->reset_adapter(vha);
3666 vha->flags.online = 0;
3667 clear_bit(ISP_ABORT_RETRY,
3668 &vha->dpc_flags);
3669 status = 0;
3670 } else { /* schedule another ISP abort */
3671 ha->isp_abort_cnt--;
3672 DEBUG(printk("qla%ld: ISP abort - "
3673 "retry remaining %d\n",
3674 vha->host_no, ha->isp_abort_cnt));
3675 status = 1;
3676 }
3677 } else {
3678 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3679 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3680 "- retrying (%d) more times\n",
3681 vha->host_no, ha->isp_abort_cnt));
3682 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3683 status = 1;
3684 }
3685 }
3686
3687 }
3688
3689 if (!status) {
3690 DEBUG(printk(KERN_INFO
3691 "qla2x00_abort_isp(%ld): succeeded.\n",
3692 vha->host_no));
3693 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3694 if (vp->vp_idx)
3695 qla2x00_vp_abort_isp(vp);
3696 }
3697 } else {
3698 qla_printk(KERN_INFO, ha,
3699 "qla2x00_abort_isp: **** FAILED ****\n");
3700 }
3701
3702 return(status);
3703 }
3704
3705 /*
3706 * qla2x00_restart_isp
3707 * restarts the ISP after a reset
3708 *
3709 * Input:
3710 * ha = adapter block pointer.
3711 *
3712 * Returns:
3713 * 0 = success
3714 */
3715 static int
3716 qla2x00_restart_isp(scsi_qla_host_t *vha)
3717 {
3718 int status = 0;
3719 uint32_t wait_time;
3720 struct qla_hw_data *ha = vha->hw;
3721 struct req_que *req = ha->req_q_map[0];
3722 struct rsp_que *rsp = ha->rsp_q_map[0];
3723
3724 /* If firmware needs to be loaded */
3725 if (qla2x00_isp_firmware(vha)) {
3726 vha->flags.online = 0;
3727 status = ha->isp_ops->chip_diag(vha);
3728 if (!status)
3729 status = qla2x00_setup_chip(vha);
3730 }
3731
3732 if (!status && !(status = qla2x00_init_rings(vha))) {
3733 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3734 ha->flags.chip_reset_done = 1;
3735 /* Initialize the queues in use */
3736 qla25xx_init_queues(ha);
3737
3738 status = qla2x00_fw_ready(vha);
3739 if (!status) {
3740 DEBUG(printk("%s(): Start configure loop, "
3741 "status = %d\n", __func__, status));
3742
3743 /* Issue a marker after FW becomes ready. */
3744 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
3745
3746 vha->flags.online = 1;
3747 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3748 wait_time = 256;
3749 do {
3750 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3751 qla2x00_configure_loop(vha);
3752 wait_time--;
3753 } while (!atomic_read(&vha->loop_down_timer) &&
3754 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3755 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3756 &vha->dpc_flags)));
3757 }
3758
3759 /* if no cable then assume it's good */
3760 if ((vha->device_flags & DFLG_NO_CABLE))
3761 status = 0;
3762
3763 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3764 __func__,
3765 status));
3766 }
3767 return (status);
3768 }
3769
3770 static int
3771 qla25xx_init_queues(struct qla_hw_data *ha)
3772 {
3773 struct rsp_que *rsp = NULL;
3774 struct req_que *req = NULL;
3775 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3776 int ret = -1;
3777 int i;
3778
3779 for (i = 1; i < ha->max_rsp_queues; i++) {
3780 rsp = ha->rsp_q_map[i];
3781 if (rsp) {
3782 rsp->options &= ~BIT_0;
3783 ret = qla25xx_init_rsp_que(base_vha, rsp);
3784 if (ret != QLA_SUCCESS)
3785 DEBUG2_17(printk(KERN_WARNING
3786 "%s Rsp que:%d init failed\n", __func__,
3787 rsp->id));
3788 else
3789 DEBUG2_17(printk(KERN_INFO
3790 "%s Rsp que:%d inited\n", __func__,
3791 rsp->id));
3792 }
3793 }
3794 for (i = 1; i < ha->max_req_queues; i++) {
3795 req = ha->req_q_map[i];
3796 if (req) {
3797 /* Clear outstanding commands array. */
3798 req->options &= ~BIT_0;
3799 ret = qla25xx_init_req_que(base_vha, req);
3800 if (ret != QLA_SUCCESS)
3801 DEBUG2_17(printk(KERN_WARNING
3802 "%s Req que:%d init failed\n", __func__,
3803 req->id));
3804 else
3805 DEBUG2_17(printk(KERN_WARNING
3806 "%s Req que:%d inited\n", __func__,
3807 req->id));
3808 }
3809 }
3810 return ret;
3811 }
3812
3813 /*
3814 * qla2x00_reset_adapter
3815 * Reset adapter.
3816 *
3817 * Input:
3818 * ha = adapter block pointer.
3819 */
3820 void
3821 qla2x00_reset_adapter(scsi_qla_host_t *vha)
3822 {
3823 unsigned long flags = 0;
3824 struct qla_hw_data *ha = vha->hw;
3825 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3826
3827 vha->flags.online = 0;
3828 ha->isp_ops->disable_intrs(ha);
3829
3830 spin_lock_irqsave(&ha->hardware_lock, flags);
3831 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3832 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3833 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3834 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3835 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3836 }
3837
3838 void
3839 qla24xx_reset_adapter(scsi_qla_host_t *vha)
3840 {
3841 unsigned long flags = 0;
3842 struct qla_hw_data *ha = vha->hw;
3843 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3844
3845 vha->flags.online = 0;
3846 ha->isp_ops->disable_intrs(ha);
3847
3848 spin_lock_irqsave(&ha->hardware_lock, flags);
3849 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3850 RD_REG_DWORD(&reg->hccr);
3851 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3852 RD_REG_DWORD(&reg->hccr);
3853 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3854
3855 if (IS_NOPOLLING_TYPE(ha))
3856 ha->isp_ops->enable_intrs(ha);
3857 }
3858
3859 /* On sparc systems, obtain port and node WWN from firmware
3860 * properties.
3861 */
3862 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3863 struct nvram_24xx *nv)
3864 {
3865 #ifdef CONFIG_SPARC
3866 struct qla_hw_data *ha = vha->hw;
3867 struct pci_dev *pdev = ha->pdev;
3868 struct device_node *dp = pci_device_to_OF_node(pdev);
3869 const u8 *val;
3870 int len;
3871
3872 val = of_get_property(dp, "port-wwn", &len);
3873 if (val && len >= WWN_SIZE)
3874 memcpy(nv->port_name, val, WWN_SIZE);
3875
3876 val = of_get_property(dp, "node-wwn", &len);
3877 if (val && len >= WWN_SIZE)
3878 memcpy(nv->node_name, val, WWN_SIZE);
3879 #endif
3880 }
3881
3882 int
3883 qla24xx_nvram_config(scsi_qla_host_t *vha)
3884 {
3885 int rval;
3886 struct init_cb_24xx *icb;
3887 struct nvram_24xx *nv;
3888 uint32_t *dptr;
3889 uint8_t *dptr1, *dptr2;
3890 uint32_t chksum;
3891 uint16_t cnt;
3892 struct qla_hw_data *ha = vha->hw;
3893
3894 rval = QLA_SUCCESS;
3895 icb = (struct init_cb_24xx *)ha->init_cb;
3896 nv = ha->nvram;
3897
3898 /* Determine NVRAM starting address. */
3899 if (ha->flags.port0) {
3900 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3901 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3902 } else {
3903 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3904 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3905 }
3906 ha->nvram_size = sizeof(struct nvram_24xx);
3907 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3908
3909 /* Get VPD data into cache */
3910 ha->vpd = ha->nvram + VPD_OFFSET;
3911 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
3912 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3913
3914 /* Get NVRAM data into cache and calculate checksum. */
3915 dptr = (uint32_t *)nv;
3916 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
3917 ha->nvram_size);
3918 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3919 chksum += le32_to_cpu(*dptr++);
3920
3921 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3922 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3923
3924 /* Bad NVRAM data, set defaults parameters. */
3925 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3926 || nv->id[3] != ' ' ||
3927 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3928 /* Reset NVRAM data. */
3929 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3930 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3931 le16_to_cpu(nv->nvram_version));
3932 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3933 "invalid -- WWPN) defaults.\n");
3934
3935 /*
3936 * Set default initialization control block.
3937 */
3938 memset(nv, 0, ha->nvram_size);
3939 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3940 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3941 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3942 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3943 nv->exchange_count = __constant_cpu_to_le16(0);
3944 nv->hard_address = __constant_cpu_to_le16(124);
3945 nv->port_name[0] = 0x21;
3946 nv->port_name[1] = 0x00 + ha->port_no;
3947 nv->port_name[2] = 0x00;
3948 nv->port_name[3] = 0xe0;
3949 nv->port_name[4] = 0x8b;
3950 nv->port_name[5] = 0x1c;
3951 nv->port_name[6] = 0x55;
3952 nv->port_name[7] = 0x86;
3953 nv->node_name[0] = 0x20;
3954 nv->node_name[1] = 0x00;
3955 nv->node_name[2] = 0x00;
3956 nv->node_name[3] = 0xe0;
3957 nv->node_name[4] = 0x8b;
3958 nv->node_name[5] = 0x1c;
3959 nv->node_name[6] = 0x55;
3960 nv->node_name[7] = 0x86;
3961 qla24xx_nvram_wwn_from_ofw(vha, nv);
3962 nv->login_retry_count = __constant_cpu_to_le16(8);
3963 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3964 nv->login_timeout = __constant_cpu_to_le16(0);
3965 nv->firmware_options_1 =
3966 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3967 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3968 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3969 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3970 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3971 nv->efi_parameters = __constant_cpu_to_le32(0);
3972 nv->reset_delay = 5;
3973 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3974 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3975 nv->link_down_timeout = __constant_cpu_to_le16(30);
3976
3977 rval = 1;
3978 }
3979
3980 /* Reset Initialization control block */
3981 memset(icb, 0, ha->init_cb_size);
3982
3983 /* Copy 1st segment. */
3984 dptr1 = (uint8_t *)icb;
3985 dptr2 = (uint8_t *)&nv->version;
3986 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3987 while (cnt--)
3988 *dptr1++ = *dptr2++;
3989
3990 icb->login_retry_count = nv->login_retry_count;
3991 icb->link_down_on_nos = nv->link_down_on_nos;
3992
3993 /* Copy 2nd segment. */
3994 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3995 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3996 cnt = (uint8_t *)&icb->reserved_3 -
3997 (uint8_t *)&icb->interrupt_delay_timer;
3998 while (cnt--)
3999 *dptr1++ = *dptr2++;
4000
4001 /*
4002 * Setup driver NVRAM options.
4003 */
4004 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4005 "QLA2462");
4006
4007 /* Use alternate WWN? */
4008 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4009 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4010 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4011 }
4012
4013 /* Prepare nodename */
4014 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4015 /*
4016 * Firmware will apply the following mask if the nodename was
4017 * not provided.
4018 */
4019 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4020 icb->node_name[0] &= 0xF0;
4021 }
4022
4023 /* Set host adapter parameters. */
4024 ha->flags.disable_risc_code_load = 0;
4025 ha->flags.enable_lip_reset = 0;
4026 ha->flags.enable_lip_full_login =
4027 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4028 ha->flags.enable_target_reset =
4029 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4030 ha->flags.enable_led_scheme = 0;
4031 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4032
4033 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4034 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4035
4036 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4037 sizeof(ha->fw_seriallink_options24));
4038
4039 /* save HBA serial number */
4040 ha->serial0 = icb->port_name[5];
4041 ha->serial1 = icb->port_name[6];
4042 ha->serial2 = icb->port_name[7];
4043 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4044 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4045
4046 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4047
4048 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4049
4050 /* Set minimum login_timeout to 4 seconds. */
4051 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4052 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4053 if (le16_to_cpu(nv->login_timeout) < 4)
4054 nv->login_timeout = __constant_cpu_to_le16(4);
4055 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4056 icb->login_timeout = nv->login_timeout;
4057
4058 /* Set minimum RATOV to 100 tenths of a second. */
4059 ha->r_a_tov = 100;
4060
4061 ha->loop_reset_delay = nv->reset_delay;
4062
4063 /* Link Down Timeout = 0:
4064 *
4065 * When Port Down timer expires we will start returning
4066 * I/O's to OS with "DID_NO_CONNECT".
4067 *
4068 * Link Down Timeout != 0:
4069 *
4070 * The driver waits for the link to come up after link down
4071 * before returning I/Os to OS with "DID_NO_CONNECT".
4072 */
4073 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4074 ha->loop_down_abort_time =
4075 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4076 } else {
4077 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4078 ha->loop_down_abort_time =
4079 (LOOP_DOWN_TIME - ha->link_down_timeout);
4080 }
4081
4082 /* Need enough time to try and get the port back. */
4083 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4084 if (qlport_down_retry)
4085 ha->port_down_retry_count = qlport_down_retry;
4086
4087 /* Set login_retry_count */
4088 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4089 if (ha->port_down_retry_count ==
4090 le16_to_cpu(nv->port_down_retry_count) &&
4091 ha->port_down_retry_count > 3)
4092 ha->login_retry_count = ha->port_down_retry_count;
4093 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4094 ha->login_retry_count = ha->port_down_retry_count;
4095 if (ql2xloginretrycount)
4096 ha->login_retry_count = ql2xloginretrycount;
4097
4098 /* Enable ZIO. */
4099 if (!vha->flags.init_done) {
4100 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4101 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4102 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4103 le16_to_cpu(icb->interrupt_delay_timer): 2;
4104 }
4105 icb->firmware_options_2 &= __constant_cpu_to_le32(
4106 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4107 vha->flags.process_response_queue = 0;
4108 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4109 ha->zio_mode = QLA_ZIO_MODE_6;
4110
4111 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4112 "(%d us).\n", vha->host_no, ha->zio_mode,
4113 ha->zio_timer * 100));
4114 qla_printk(KERN_INFO, ha,
4115 "ZIO mode %d enabled; timer delay (%d us).\n",
4116 ha->zio_mode, ha->zio_timer * 100);
4117
4118 icb->firmware_options_2 |= cpu_to_le32(
4119 (uint32_t)ha->zio_mode);
4120 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4121 vha->flags.process_response_queue = 1;
4122 }
4123
4124 if (rval) {
4125 DEBUG2_3(printk(KERN_WARNING
4126 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4127 }
4128 return (rval);
4129 }
4130
4131 static int
4132 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4133 uint32_t faddr)
4134 {
4135 int rval = QLA_SUCCESS;
4136 int segments, fragment;
4137 uint32_t *dcode, dlen;
4138 uint32_t risc_addr;
4139 uint32_t risc_size;
4140 uint32_t i;
4141 struct qla_hw_data *ha = vha->hw;
4142 struct req_que *req = ha->req_q_map[0];
4143
4144 qla_printk(KERN_INFO, ha,
4145 "FW: Loading from flash (%x)...\n", faddr);
4146
4147 rval = QLA_SUCCESS;
4148
4149 segments = FA_RISC_CODE_SEGMENTS;
4150 dcode = (uint32_t *)req->ring;
4151 *srisc_addr = 0;
4152
4153 /* Validate firmware image by checking version. */
4154 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4155 for (i = 0; i < 4; i++)
4156 dcode[i] = be32_to_cpu(dcode[i]);
4157 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4158 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4159 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4160 dcode[3] == 0)) {
4161 qla_printk(KERN_WARNING, ha,
4162 "Unable to verify integrity of flash firmware image!\n");
4163 qla_printk(KERN_WARNING, ha,
4164 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4165 dcode[1], dcode[2], dcode[3]);
4166
4167 return QLA_FUNCTION_FAILED;
4168 }
4169
4170 while (segments && rval == QLA_SUCCESS) {
4171 /* Read segment's load information. */
4172 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4173
4174 risc_addr = be32_to_cpu(dcode[2]);
4175 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4176 risc_size = be32_to_cpu(dcode[3]);
4177
4178 fragment = 0;
4179 while (risc_size > 0 && rval == QLA_SUCCESS) {
4180 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4181 if (dlen > risc_size)
4182 dlen = risc_size;
4183
4184 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4185 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4186 vha->host_no, risc_addr, dlen, faddr));
4187
4188 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4189 for (i = 0; i < dlen; i++)
4190 dcode[i] = swab32(dcode[i]);
4191
4192 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4193 dlen);
4194 if (rval) {
4195 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4196 "segment %d of firmware\n", vha->host_no,
4197 fragment));
4198 qla_printk(KERN_WARNING, ha,
4199 "[ERROR] Failed to load segment %d of "
4200 "firmware\n", fragment);
4201 break;
4202 }
4203
4204 faddr += dlen;
4205 risc_addr += dlen;
4206 risc_size -= dlen;
4207 fragment++;
4208 }
4209
4210 /* Next segment. */
4211 segments--;
4212 }
4213
4214 return rval;
4215 }
4216
4217 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4218
4219 int
4220 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4221 {
4222 int rval;
4223 int i, fragment;
4224 uint16_t *wcode, *fwcode;
4225 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4226 struct fw_blob *blob;
4227 struct qla_hw_data *ha = vha->hw;
4228 struct req_que *req = ha->req_q_map[0];
4229
4230 /* Load firmware blob. */
4231 blob = qla2x00_request_firmware(vha);
4232 if (!blob) {
4233 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4234 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4235 "from: " QLA_FW_URL ".\n");
4236 return QLA_FUNCTION_FAILED;
4237 }
4238
4239 rval = QLA_SUCCESS;
4240
4241 wcode = (uint16_t *)req->ring;
4242 *srisc_addr = 0;
4243 fwcode = (uint16_t *)blob->fw->data;
4244 fwclen = 0;
4245
4246 /* Validate firmware image by checking version. */
4247 if (blob->fw->size < 8 * sizeof(uint16_t)) {
4248 qla_printk(KERN_WARNING, ha,
4249 "Unable to verify integrity of firmware image (%Zd)!\n",
4250 blob->fw->size);
4251 goto fail_fw_integrity;
4252 }
4253 for (i = 0; i < 4; i++)
4254 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4255 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4256 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4257 wcode[2] == 0 && wcode[3] == 0)) {
4258 qla_printk(KERN_WARNING, ha,
4259 "Unable to verify integrity of firmware image!\n");
4260 qla_printk(KERN_WARNING, ha,
4261 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4262 wcode[1], wcode[2], wcode[3]);
4263 goto fail_fw_integrity;
4264 }
4265
4266 seg = blob->segs;
4267 while (*seg && rval == QLA_SUCCESS) {
4268 risc_addr = *seg;
4269 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4270 risc_size = be16_to_cpu(fwcode[3]);
4271
4272 /* Validate firmware image size. */
4273 fwclen += risc_size * sizeof(uint16_t);
4274 if (blob->fw->size < fwclen) {
4275 qla_printk(KERN_WARNING, ha,
4276 "Unable to verify integrity of firmware image "
4277 "(%Zd)!\n", blob->fw->size);
4278 goto fail_fw_integrity;
4279 }
4280
4281 fragment = 0;
4282 while (risc_size > 0 && rval == QLA_SUCCESS) {
4283 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4284 if (wlen > risc_size)
4285 wlen = risc_size;
4286
4287 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4288 "addr %x, number of words 0x%x.\n", vha->host_no,
4289 risc_addr, wlen));
4290
4291 for (i = 0; i < wlen; i++)
4292 wcode[i] = swab16(fwcode[i]);
4293
4294 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4295 wlen);
4296 if (rval) {
4297 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4298 "segment %d of firmware\n", vha->host_no,
4299 fragment));
4300 qla_printk(KERN_WARNING, ha,
4301 "[ERROR] Failed to load segment %d of "
4302 "firmware\n", fragment);
4303 break;
4304 }
4305
4306 fwcode += wlen;
4307 risc_addr += wlen;
4308 risc_size -= wlen;
4309 fragment++;
4310 }
4311
4312 /* Next segment. */
4313 seg++;
4314 }
4315 return rval;
4316
4317 fail_fw_integrity:
4318 return QLA_FUNCTION_FAILED;
4319 }
4320
4321 static int
4322 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4323 {
4324 int rval;
4325 int segments, fragment;
4326 uint32_t *dcode, dlen;
4327 uint32_t risc_addr;
4328 uint32_t risc_size;
4329 uint32_t i;
4330 struct fw_blob *blob;
4331 uint32_t *fwcode, fwclen;
4332 struct qla_hw_data *ha = vha->hw;
4333 struct req_que *req = ha->req_q_map[0];
4334
4335 /* Load firmware blob. */
4336 blob = qla2x00_request_firmware(vha);
4337 if (!blob) {
4338 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4339 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4340 "from: " QLA_FW_URL ".\n");
4341
4342 return QLA_FUNCTION_FAILED;
4343 }
4344
4345 qla_printk(KERN_INFO, ha,
4346 "FW: Loading via request-firmware...\n");
4347
4348 rval = QLA_SUCCESS;
4349
4350 segments = FA_RISC_CODE_SEGMENTS;
4351 dcode = (uint32_t *)req->ring;
4352 *srisc_addr = 0;
4353 fwcode = (uint32_t *)blob->fw->data;
4354 fwclen = 0;
4355
4356 /* Validate firmware image by checking version. */
4357 if (blob->fw->size < 8 * sizeof(uint32_t)) {
4358 qla_printk(KERN_WARNING, ha,
4359 "Unable to verify integrity of firmware image (%Zd)!\n",
4360 blob->fw->size);
4361 goto fail_fw_integrity;
4362 }
4363 for (i = 0; i < 4; i++)
4364 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4365 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4366 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4367 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4368 dcode[3] == 0)) {
4369 qla_printk(KERN_WARNING, ha,
4370 "Unable to verify integrity of firmware image!\n");
4371 qla_printk(KERN_WARNING, ha,
4372 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4373 dcode[1], dcode[2], dcode[3]);
4374 goto fail_fw_integrity;
4375 }
4376
4377 while (segments && rval == QLA_SUCCESS) {
4378 risc_addr = be32_to_cpu(fwcode[2]);
4379 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4380 risc_size = be32_to_cpu(fwcode[3]);
4381
4382 /* Validate firmware image size. */
4383 fwclen += risc_size * sizeof(uint32_t);
4384 if (blob->fw->size < fwclen) {
4385 qla_printk(KERN_WARNING, ha,
4386 "Unable to verify integrity of firmware image "
4387 "(%Zd)!\n", blob->fw->size);
4388
4389 goto fail_fw_integrity;
4390 }
4391
4392 fragment = 0;
4393 while (risc_size > 0 && rval == QLA_SUCCESS) {
4394 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4395 if (dlen > risc_size)
4396 dlen = risc_size;
4397
4398 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4399 "addr %x, number of dwords 0x%x.\n", vha->host_no,
4400 risc_addr, dlen));
4401
4402 for (i = 0; i < dlen; i++)
4403 dcode[i] = swab32(fwcode[i]);
4404
4405 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4406 dlen);
4407 if (rval) {
4408 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4409 "segment %d of firmware\n", vha->host_no,
4410 fragment));
4411 qla_printk(KERN_WARNING, ha,
4412 "[ERROR] Failed to load segment %d of "
4413 "firmware\n", fragment);
4414 break;
4415 }
4416
4417 fwcode += dlen;
4418 risc_addr += dlen;
4419 risc_size -= dlen;
4420 fragment++;
4421 }
4422
4423 /* Next segment. */
4424 segments--;
4425 }
4426 return rval;
4427
4428 fail_fw_integrity:
4429 return QLA_FUNCTION_FAILED;
4430 }
4431
4432 int
4433 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4434 {
4435 int rval;
4436
4437 if (ql2xfwloadbin == 1)
4438 return qla81xx_load_risc(vha, srisc_addr);
4439
4440 /*
4441 * FW Load priority:
4442 * 1) Firmware via request-firmware interface (.bin file).
4443 * 2) Firmware residing in flash.
4444 */
4445 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4446 if (rval == QLA_SUCCESS)
4447 return rval;
4448
4449 return qla24xx_load_risc_flash(vha, srisc_addr,
4450 vha->hw->flt_region_fw);
4451 }
4452
4453 int
4454 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4455 {
4456 int rval;
4457 struct qla_hw_data *ha = vha->hw;
4458
4459 if (ql2xfwloadbin == 2)
4460 goto try_blob_fw;
4461
4462 /*
4463 * FW Load priority:
4464 * 1) Firmware residing in flash.
4465 * 2) Firmware via request-firmware interface (.bin file).
4466 * 3) Golden-Firmware residing in flash -- limited operation.
4467 */
4468 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4469 if (rval == QLA_SUCCESS)
4470 return rval;
4471
4472 try_blob_fw:
4473 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4474 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4475 return rval;
4476
4477 qla_printk(KERN_ERR, ha,
4478 "FW: Attempting to fallback to golden firmware...\n");
4479 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4480 if (rval != QLA_SUCCESS)
4481 return rval;
4482
4483 qla_printk(KERN_ERR, ha,
4484 "FW: Please update operational firmware...\n");
4485 ha->flags.running_gold_fw = 1;
4486
4487 return rval;
4488 }
4489
4490 void
4491 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4492 {
4493 int ret, retries;
4494 struct qla_hw_data *ha = vha->hw;
4495
4496 if (ha->flags.pci_channel_io_perm_failure)
4497 return;
4498 if (!IS_FWI2_CAPABLE(ha))
4499 return;
4500 if (!ha->fw_major_version)
4501 return;
4502
4503 ret = qla2x00_stop_firmware(vha);
4504 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4505 ret != QLA_INVALID_COMMAND && retries ; retries--) {
4506 ha->isp_ops->reset_chip(vha);
4507 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4508 continue;
4509 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4510 continue;
4511 qla_printk(KERN_INFO, ha,
4512 "Attempting retry of stop-firmware command...\n");
4513 ret = qla2x00_stop_firmware(vha);
4514 }
4515 }
4516
4517 int
4518 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4519 {
4520 int rval = QLA_SUCCESS;
4521 uint16_t mb[MAILBOX_REGISTER_COUNT];
4522 struct qla_hw_data *ha = vha->hw;
4523 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4524 struct req_que *req;
4525 struct rsp_que *rsp;
4526
4527 if (!vha->vp_idx)
4528 return -EINVAL;
4529
4530 rval = qla2x00_fw_ready(base_vha);
4531 if (ha->flags.cpu_affinity_enabled)
4532 req = ha->req_q_map[0];
4533 else
4534 req = vha->req;
4535 rsp = req->rsp;
4536
4537 if (rval == QLA_SUCCESS) {
4538 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4539 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4540 }
4541
4542 vha->flags.management_server_logged_in = 0;
4543
4544 /* Login to SNS first */
4545 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4546 if (mb[0] != MBS_COMMAND_COMPLETE) {
4547 DEBUG15(qla_printk(KERN_INFO, ha,
4548 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4549 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4550 mb[0], mb[1], mb[2], mb[6], mb[7]));
4551 return (QLA_FUNCTION_FAILED);
4552 }
4553
4554 atomic_set(&vha->loop_down_timer, 0);
4555 atomic_set(&vha->loop_state, LOOP_UP);
4556 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4557 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4558 rval = qla2x00_loop_resync(base_vha);
4559
4560 return rval;
4561 }
4562
4563 /* 84XX Support **************************************************************/
4564
4565 static LIST_HEAD(qla_cs84xx_list);
4566 static DEFINE_MUTEX(qla_cs84xx_mutex);
4567
4568 static struct qla_chip_state_84xx *
4569 qla84xx_get_chip(struct scsi_qla_host *vha)
4570 {
4571 struct qla_chip_state_84xx *cs84xx;
4572 struct qla_hw_data *ha = vha->hw;
4573
4574 mutex_lock(&qla_cs84xx_mutex);
4575
4576 /* Find any shared 84xx chip. */
4577 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4578 if (cs84xx->bus == ha->pdev->bus) {
4579 kref_get(&cs84xx->kref);
4580 goto done;
4581 }
4582 }
4583
4584 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4585 if (!cs84xx)
4586 goto done;
4587
4588 kref_init(&cs84xx->kref);
4589 spin_lock_init(&cs84xx->access_lock);
4590 mutex_init(&cs84xx->fw_update_mutex);
4591 cs84xx->bus = ha->pdev->bus;
4592
4593 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4594 done:
4595 mutex_unlock(&qla_cs84xx_mutex);
4596 return cs84xx;
4597 }
4598
4599 static void
4600 __qla84xx_chip_release(struct kref *kref)
4601 {
4602 struct qla_chip_state_84xx *cs84xx =
4603 container_of(kref, struct qla_chip_state_84xx, kref);
4604
4605 mutex_lock(&qla_cs84xx_mutex);
4606 list_del(&cs84xx->list);
4607 mutex_unlock(&qla_cs84xx_mutex);
4608 kfree(cs84xx);
4609 }
4610
4611 void
4612 qla84xx_put_chip(struct scsi_qla_host *vha)
4613 {
4614 struct qla_hw_data *ha = vha->hw;
4615 if (ha->cs84xx)
4616 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4617 }
4618
4619 static int
4620 qla84xx_init_chip(scsi_qla_host_t *vha)
4621 {
4622 int rval;
4623 uint16_t status[2];
4624 struct qla_hw_data *ha = vha->hw;
4625
4626 mutex_lock(&ha->cs84xx->fw_update_mutex);
4627
4628 rval = qla84xx_verify_chip(vha, status);
4629
4630 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4631
4632 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4633 QLA_SUCCESS;
4634 }
4635
4636 /* 81XX Support **************************************************************/
4637
4638 int
4639 qla81xx_nvram_config(scsi_qla_host_t *vha)
4640 {
4641 int rval;
4642 struct init_cb_81xx *icb;
4643 struct nvram_81xx *nv;
4644 uint32_t *dptr;
4645 uint8_t *dptr1, *dptr2;
4646 uint32_t chksum;
4647 uint16_t cnt;
4648 struct qla_hw_data *ha = vha->hw;
4649
4650 rval = QLA_SUCCESS;
4651 icb = (struct init_cb_81xx *)ha->init_cb;
4652 nv = ha->nvram;
4653
4654 /* Determine NVRAM starting address. */
4655 ha->nvram_size = sizeof(struct nvram_81xx);
4656 ha->vpd_size = FA_NVRAM_VPD_SIZE;
4657
4658 /* Get VPD data into cache */
4659 ha->vpd = ha->nvram + VPD_OFFSET;
4660 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4661 ha->vpd_size);
4662
4663 /* Get NVRAM data into cache and calculate checksum. */
4664 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
4665 ha->nvram_size);
4666 dptr = (uint32_t *)nv;
4667 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4668 chksum += le32_to_cpu(*dptr++);
4669
4670 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4671 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4672
4673 /* Bad NVRAM data, set defaults parameters. */
4674 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4675 || nv->id[3] != ' ' ||
4676 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4677 /* Reset NVRAM data. */
4678 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4679 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4680 le16_to_cpu(nv->nvram_version));
4681 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4682 "invalid -- WWPN) defaults.\n");
4683
4684 /*
4685 * Set default initialization control block.
4686 */
4687 memset(nv, 0, ha->nvram_size);
4688 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4689 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4690 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4691 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4692 nv->exchange_count = __constant_cpu_to_le16(0);
4693 nv->port_name[0] = 0x21;
4694 nv->port_name[1] = 0x00 + ha->port_no;
4695 nv->port_name[2] = 0x00;
4696 nv->port_name[3] = 0xe0;
4697 nv->port_name[4] = 0x8b;
4698 nv->port_name[5] = 0x1c;
4699 nv->port_name[6] = 0x55;
4700 nv->port_name[7] = 0x86;
4701 nv->node_name[0] = 0x20;
4702 nv->node_name[1] = 0x00;
4703 nv->node_name[2] = 0x00;
4704 nv->node_name[3] = 0xe0;
4705 nv->node_name[4] = 0x8b;
4706 nv->node_name[5] = 0x1c;
4707 nv->node_name[6] = 0x55;
4708 nv->node_name[7] = 0x86;
4709 nv->login_retry_count = __constant_cpu_to_le16(8);
4710 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4711 nv->login_timeout = __constant_cpu_to_le16(0);
4712 nv->firmware_options_1 =
4713 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4714 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4715 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4716 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4717 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4718 nv->efi_parameters = __constant_cpu_to_le32(0);
4719 nv->reset_delay = 5;
4720 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4721 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4722 nv->link_down_timeout = __constant_cpu_to_le16(30);
4723 nv->enode_mac[0] = 0x00;
4724 nv->enode_mac[1] = 0x02;
4725 nv->enode_mac[2] = 0x03;
4726 nv->enode_mac[3] = 0x04;
4727 nv->enode_mac[4] = 0x05;
4728 nv->enode_mac[5] = 0x06 + ha->port_no;
4729
4730 rval = 1;
4731 }
4732
4733 /* Reset Initialization control block */
4734 memset(icb, 0, sizeof(struct init_cb_81xx));
4735
4736 /* Copy 1st segment. */
4737 dptr1 = (uint8_t *)icb;
4738 dptr2 = (uint8_t *)&nv->version;
4739 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4740 while (cnt--)
4741 *dptr1++ = *dptr2++;
4742
4743 icb->login_retry_count = nv->login_retry_count;
4744
4745 /* Copy 2nd segment. */
4746 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4747 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4748 cnt = (uint8_t *)&icb->reserved_5 -
4749 (uint8_t *)&icb->interrupt_delay_timer;
4750 while (cnt--)
4751 *dptr1++ = *dptr2++;
4752
4753 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4754 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4755 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4756 icb->enode_mac[0] = 0x01;
4757 icb->enode_mac[1] = 0x02;
4758 icb->enode_mac[2] = 0x03;
4759 icb->enode_mac[3] = 0x04;
4760 icb->enode_mac[4] = 0x05;
4761 icb->enode_mac[5] = 0x06 + ha->port_no;
4762 }
4763
4764 /* Use extended-initialization control block. */
4765 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
4766
4767 /*
4768 * Setup driver NVRAM options.
4769 */
4770 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4771 "QLE81XX");
4772
4773 /* Use alternate WWN? */
4774 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4775 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4776 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4777 }
4778
4779 /* Prepare nodename */
4780 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4781 /*
4782 * Firmware will apply the following mask if the nodename was
4783 * not provided.
4784 */
4785 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4786 icb->node_name[0] &= 0xF0;
4787 }
4788
4789 /* Set host adapter parameters. */
4790 ha->flags.disable_risc_code_load = 0;
4791 ha->flags.enable_lip_reset = 0;
4792 ha->flags.enable_lip_full_login =
4793 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4794 ha->flags.enable_target_reset =
4795 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4796 ha->flags.enable_led_scheme = 0;
4797 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4798
4799 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4800 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4801
4802 /* save HBA serial number */
4803 ha->serial0 = icb->port_name[5];
4804 ha->serial1 = icb->port_name[6];
4805 ha->serial2 = icb->port_name[7];
4806 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4807 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4808
4809 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4810
4811 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4812
4813 /* Set minimum login_timeout to 4 seconds. */
4814 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4815 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4816 if (le16_to_cpu(nv->login_timeout) < 4)
4817 nv->login_timeout = __constant_cpu_to_le16(4);
4818 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4819 icb->login_timeout = nv->login_timeout;
4820
4821 /* Set minimum RATOV to 100 tenths of a second. */
4822 ha->r_a_tov = 100;
4823
4824 ha->loop_reset_delay = nv->reset_delay;
4825
4826 /* Link Down Timeout = 0:
4827 *
4828 * When Port Down timer expires we will start returning
4829 * I/O's to OS with "DID_NO_CONNECT".
4830 *
4831 * Link Down Timeout != 0:
4832 *
4833 * The driver waits for the link to come up after link down
4834 * before returning I/Os to OS with "DID_NO_CONNECT".
4835 */
4836 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4837 ha->loop_down_abort_time =
4838 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4839 } else {
4840 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4841 ha->loop_down_abort_time =
4842 (LOOP_DOWN_TIME - ha->link_down_timeout);
4843 }
4844
4845 /* Need enough time to try and get the port back. */
4846 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4847 if (qlport_down_retry)
4848 ha->port_down_retry_count = qlport_down_retry;
4849
4850 /* Set login_retry_count */
4851 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4852 if (ha->port_down_retry_count ==
4853 le16_to_cpu(nv->port_down_retry_count) &&
4854 ha->port_down_retry_count > 3)
4855 ha->login_retry_count = ha->port_down_retry_count;
4856 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4857 ha->login_retry_count = ha->port_down_retry_count;
4858 if (ql2xloginretrycount)
4859 ha->login_retry_count = ql2xloginretrycount;
4860
4861 /* Enable ZIO. */
4862 if (!vha->flags.init_done) {
4863 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4864 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4865 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4866 le16_to_cpu(icb->interrupt_delay_timer): 2;
4867 }
4868 icb->firmware_options_2 &= __constant_cpu_to_le32(
4869 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4870 vha->flags.process_response_queue = 0;
4871 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4872 ha->zio_mode = QLA_ZIO_MODE_6;
4873
4874 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4875 "(%d us).\n", vha->host_no, ha->zio_mode,
4876 ha->zio_timer * 100));
4877 qla_printk(KERN_INFO, ha,
4878 "ZIO mode %d enabled; timer delay (%d us).\n",
4879 ha->zio_mode, ha->zio_timer * 100);
4880
4881 icb->firmware_options_2 |= cpu_to_le32(
4882 (uint32_t)ha->zio_mode);
4883 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4884 vha->flags.process_response_queue = 1;
4885 }
4886
4887 if (rval) {
4888 DEBUG2_3(printk(KERN_WARNING
4889 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4890 }
4891 return (rval);
4892 }
4893
4894 void
4895 qla81xx_update_fw_options(scsi_qla_host_t *vha)
4896 {
4897 struct qla_hw_data *ha = vha->hw;
4898
4899 if (!ql2xetsenable)
4900 return;
4901
4902 /* Enable ETS Burst. */
4903 memset(ha->fw_options, 0, sizeof(ha->fw_options));
4904 ha->fw_options[2] |= BIT_9;
4905 qla2x00_set_fw_options(vha, ha->fw_options);
4906 }
Mirror of NV Tegra kernel