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